CN102352999A - LED (light emitting diode) lamp with height-adjustable lamp rod - Google Patents

Abstract

An LED lamp with an adjustable lamp pole height, including a lamp pole and a lamp body, characterized in that: the lamp pole is provided with a mounting assembly, including a fixing plate, a clamping block seat and a clamping block cover; the clamping block seat The two opposite inner side walls of the square hole are respectively provided with concave cavities, and elastic devices are arranged in the concave cavities; the fixed plate is sleeved outside the clamping block seat and has a through hole, and the through hole is provided with a second hole along the circumference. A stepped surface, the clamping block seat is axially limited on the first stepped surface of the fixing plate, the clamping block seat is accommodated in the clamping block cover and fixedly connected, the top of the clamping block cover and the bottom of the fixing plate are offset . When adjusting the light pole of the present invention, the movement of the light pole can be realized only by pulling up the light pole or pressing down the light pole, and the operation is very simple and convenient; the clamping block and the light pole are in plane contact, not only the contact area is large, Moreover, the reliability of the contact is ensured, and the spring provided in the clamping block ensures that the light pole can be reliably positioned relative to the installation component when it is not moving.

Description

LED lights with adjustable pole height

technical field

The invention relates to a lamp, in particular to an LED lamp with an adjustable lamp pole height.

Background technique

Usually, the adjustment of the height of the lamp is mostly achieved by adjusting the length of the lamp pole, which requires the lamp pole to be designed as a retractable structure, and for some lamps with a fixed length of the lamp pole, once it is installed and fixed, the height of the lamp pole cannot be adjusted. Adjustment will bring certain inconvenience to the user.

In order to be able to adjust the height of a fixed-length light pole and improve the flexibility of use of the light fixture, the applicant has previously applied for an invention patent such as the application number CN201010511316.9 "A Pole-Type LED Lamp with Adjustable Light Pole Height" Such a lamp is disclosed, which includes a lamp cap, a lamp post, a mounting base and a conducting piece, and is characterized in that it also includes a ferrule, a fastening sleeve and a rotating shaft sleeve sleeved on the lamp post; the ferrule includes The connecting sleeve and the elastic chuck, the elastic chuck includes a plurality of claws that can be elastically folded into a truncated cone shape; the upper part of the inner wall of the fastening sleeve is formed with an inner conical surface that makes the claws of the elastic chuck elastically folded, and the fastening sleeve The lower part of the inner wall is provided with internal threads; the rotating shaft sleeve includes a first sleeve and a stop plate, and the first sleeve is set outside the connecting sleeve. The outer wall of the first sleeve is provided with a threaded connection with the fastening sleeve External thread, the middle part of the mounting base is recessed downwards to form an annular cavity, and the stop disc is accommodated in the annular cavity.

The light pole in the above patent can move up and down relative to the installation base through the cooperation structure of the ferrule, the fastening sleeve and the rotating shaft sleeve, so as to realize the adjustment of the height of the light pole. However, in the above patent, each time the height of the light pole The fastening sleeve must be unscrewed first for adjustment, otherwise the light pole cannot move freely. In the case of small installation space, sometimes fingers cannot reach the position of the fastening sleeve, and the height of the light pole cannot be adjusted at this time; In addition, the light pole height adjusting device of the above-mentioned patent is only suitable for light poles with circular cross-sections, and is not suitable for light poles with special structures with square cross-sections.

Contents of the invention

The technical problem to be solved by the present invention is to provide a height-adjustable LED lamp which is especially suitable for square cross-section light poles, which is easy to assemble and more convenient to adjust.

The technical solution adopted by the present invention to solve the above-mentioned technical problems is: an LED lamp with an adjustable lamp pole height, including a lamp pole with a square cross section and a lamp body installed on the light pole, characterized in that: The light pole is also provided with a mounting assembly, which includes a fixing plate, a clamping block seat and a clamping block cover; wherein, the clamping block seat is provided with a square hole that can be mated with the light pole In the square hole of the clamping block seat, concave cavities are respectively provided on the two opposite inner side walls, and elastic devices that can always be in close contact with the side walls of the light pole are arranged in the concave cavities; The fixing plate is sleeved outside the clamping block seat, and a through hole is opened in the center of the fixing plate, and the through hole is provided with a first stepped surface along the circumference, and the clamping block seat is axially limited at the On the first step surface of the fixing plate, the clamping block seat is accommodated in the clamping block cover and fixedly connected, and the top of the clamping block cover is in contact with the bottom of the fixing plate.

As a preference, the elastic device can adopt the following structure: the elastic device includes a spring and a clamping block, the clamping block is arranged in the cavity, one side of the clamping block is connected to the The side walls of the light pole are against each other, and a concave cavity is formed on the other side of the clamping block. There is a protruding post in the middle of the cavity, and the spring is sleeved on the protruding post. One end of the spring is connected to the protruding post. The bottom of the cavity is against, and the other end of the spring is against the bottom of the cavity. Therefore, the spring and the clamping block form an elastic damping device. Due to the action of the spring, the light pole can not only slide relative to the installation assembly, but also prevent it from falling off the installation assembly. It is very convenient to use and adjust.

In order to facilitate assembly, it is convenient to fix the mounting assembly on the mounting surface. Preferably, the mounting assembly also includes a decorative cover and a bottom cover, the decorative cover is provided with internal threads, and the outer peripheral surface of the fixing plate is provided with The second stepped surface, the decorative cover is sleeved outside the fixing plate and axially limited on the second stepped surface of the fixing plate; the bottom cover is sleeved outside the clamping block cover, The bottom cover is provided with an installation hole for connecting the installation surface, and the outer periphery of the bottom cover is provided with an external thread that can be connected with the internal thread of the decorative cover.

In order to improve connection reliability and tightness, as a further preference, an annular groove is formed on the bottom surface of the bottom cover, and an elastic member is disposed in the annular groove.

In order to prevent the light pole from being completely pulled out from the installation assembly, preferably, a stop plate capable of abutting against the bottom limit of the clamping block cover is provided at the bottom of the light pole. Therefore, during the upward stretching process of the light pole, when the stop plate and the clamping block cover abut, the light pole realizes axial limitation.

An LED lamp with an adjustable lamp pole height, which includes a lamp pole with a square cross section and a lamp body installed on the light pole. It is characterized in that: the light pole is also provided with a mounting assembly. , as another preference, the installation assembly can also be realized with the following structure: the installation assembly includes a blocking piece and a clamping block seat; In the square hole of the clamping block, the two opposite inner walls of the square hole are respectively provided with concave cavities, and the elastic devices that can always be in close contact with the side walls of the light pole are arranged in the concave cavities. , the blocking piece is arranged at the bottom of the concave cavity.

The elastic device includes a spring and a clamping block, the clamping block is arranged in the cavity, one side of the clamping block is against the side wall of the light pole, and the other side of the clamping block A concave cavity is formed on one side, and there is a protruding post in the middle of the cavity. The spring is sleeved on the protruding post. One end of the spring is against the bottom of the cavity, and the other end of the spring is in contact with the bottom of the cavity. The bottoms of the concave cavities are against each other. Therefore, the spring and the clamping block form an elastic damping device. Due to the action of the spring, the light pole can not only slide relative to the installation assembly, but also prevent it from falling off the installation assembly. It is very convenient to use and adjust.

The blocking piece can be directly fixedly connected to the bottom of the clamping block seat by screws or bolts, or bonded to the bottom of the clamping block seat. In order to facilitate installation and disassembly, and simplify the installation structure, as a preference, the clamping block seat On one side of the outer wall corresponding to each of the concave cavities, there are slots arranged in the circumferential direction for insertion of the baffles. One end of the baffles is arc-shaped and inserted into the slots. The upper end surface of the blocking piece is also provided with a convex point that can be tightly abutted against the bottom of the clamping block. Therefore, when the elastic device is installed in the concave cavity of the clamping block seat, the blocking piece is inserted into the card slot, which can prevent the elastic device from falling from the concave cavity, and, because the blocking piece is provided with a convex point, the blocking piece can be inserted into the card slot. The back of the groove can be tightly pressed against the clamping block to ensure the reliability of the block and connection.

In order to realize the rotation adjustment of the light pole, preferably, the installation assembly also includes a mounting seat, the mounting seat is rotatably sleeved outside the clamping block seat, and the top of the mounting seat forms an annular top cover, The annular top cover is provided with a mounting hole connecting the mounting surface, the inner hole wall of the annular top cover is formed with an annular inner step surface, and the lower part of the mounting seat forms a sleeve integrally formed with the annular top cover; The top of the clamping block seat is radially outwardly formed with an annular boss capable of abutting against the annular inner step surface to realize the downward axial limit of the clamping block seat; the bottom of the clamping block seat There is provided at least one elastic clamping foot capable of abutting against the bottom end of the mounting seat to realize upward axial limitation of the clamping block seat. Therefore, the light pole can move axially relative to the clamping block seat, and under the action of the elastic force of the elastic device, the light pole can drive the clamping block seat together to realize rotation relative to the mounting seat.

In order to prevent the light pole from shaking relative to the mounting base and improve the hand feel of the light pole when turning, as a further preference, the outer wall of the clamping block seat is also provided with an annular groove along the circumference, and the annular groove is provided with An elastic collar tightly fitted with the clamping block seat. Therefore, when the light pole rotates, the outer wall of the clamping block seat does not directly contact and rub against the inner wall of the mounting seat, but realizes rotational contact through the elastic collar, which can reduce the contact friction force on the one hand and improve the rotational feel, and It can also ensure the concentricity and rotational balance between the clamping block seat and the mounting seat.

In order to improve the aesthetics and facilitate the installation and connection, preferably, the installation assembly also includes a decorative cover, the decorative cover is buckled and connected to the annular top cover, and the inner diameter of the decorative cover is the same as that of the mounting seat The outer diameter of the annular top cover is suitable.

In order to facilitate the adjustment of the lighting angle of the lamp head, preferably, the lamp head is articulated on the light pole, and the hinged end of the light pole is formed with a first lug, and a first threaded hole is opened on the first lug Correspondingly, the hinged end of the lamp body is formed with a second lug capable of abutting against the side wall of the first lug, and the second lug is provided with a hole aligned with the first threaded hole. The first through hole, the first lug and the second lug are connected through an anti-loosening screw passing through the first threaded hole and the first through hole to realize a movable hinge connection, and, in the lamp The rod is also provided with a second threaded hole that communicates with the first threaded hole, the axial direction of the second threaded hole is perpendicular to the axial direction of the first threaded hole, and the second threaded hole penetrates A fastening screw that can interfere with the thread of the anti-loosening screw is provided. Therefore, the fastening screw can further increase the installation reliability of the anti-loosening screw, prevent the anti-loosening screw from loosening and falling out during the back and forth rotation of the lamp body relative to the lamp pole, thereby improving the positioning reliability of the lamp head after rotation, and extending the lamp life. Service life of the hinge.

In order to improve the connection reliability of the anti-loosening screw and prevent the anti-loosening screw from loosening during the back and forth rotation of the lamp body, preferably, the first through hole is a stepped hole, and the anti-loosening screw includes a big end and a screw rod, wherein , the screw head of the anti-loosening screw penetrates the small-diameter end of the first through hole, the big end of the anti-loosening screw is accommodated in the large-diameter end of the first through-hole, and the anti-loosening screw There is also an elastic body that prevents the anti-loosening screw from sliding outwards, one side of the elastic body is against the stepped surface of the first through hole, and the other side of the elastic body is in contact with the anti-loosening screw. Big ends offset.

In order to ensure the effect of elastic compression, the elastic body can be a single elastic component, or a combination of multiple elastic components. As a further preference, the elastic body includes a flat gasket and a disc-shaped gasket, wherein , one side of the flat gasket abuts against the stepped surface of the first through hole, the small end of the disk-shaped gasket abuts against the other side of the flat gasket, and the large end of the disk-shaped gasket end against the big end of the anti-loosening screw.

Compared with the prior art, the advantage of the present invention is that the light pole can move up and down relative to the installation assembly, thereby realizing the free adjustment of the position and height of the non-telescopic structure light pole, which is convenient for users to use; secondly, When adjusting, you only need to pull up the light pole or press down the light pole to realize the movement of the light pole, and the operation is very simple and convenient; in addition, the installation assembly of the present invention is especially suitable for light poles with square cross-sections, clamping blocks and light poles. The rods are in plane contact, which not only has a large contact area, but also ensures the reliability of the contact, and the spring set in the clamping block ensures that the light rod can be reliably positioned relative to the installation component when it is not moving.

Description of drawings

FIG. 1 is a schematic structural diagram of Embodiment 1 of the present invention.

Fig. 2 is a three-dimensional exploded view of Embodiment 1 of the present invention.

Fig. 3 is a cross-sectional view of the assembly structure of the installation assembly and the light pole according to Embodiment 1 of the present invention.

Fig. 4 is a cross-sectional view of the connection structure between the lamp body and the lamp pole according to Embodiment 1 of the present invention.

Fig. 5 is a three-dimensional exploded view of the mounting assembly according to the second embodiment of the present invention.

Fig. 6 is an assembly cross-sectional view of the installation assembly according to the second embodiment of the present invention.

Fig. 7 is an assembled front view of the installation assembly according to Embodiment 2 of the present invention.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

Embodiment 1, as shown in Figures 1 to 4:

The LED lamp of this embodiment includes a lamp post 1, a lamp body 2 and a lamp holder 3, wherein the lamp post 1 is a non-retractable vertical pole with a fixed length, and the cross section of the lamp post 1 is square, and the lamp body 2 A lamp cap 3 is installed, and an LED chip is arranged in the lamp cap 3 .

In order to be able to freely adjust the position and height of the light pole 1, the light pole 1 of this embodiment is also provided with a mounting assembly that can move relative to the light pole 1. The mounting assembly includes a fixing plate 7, a clamping block seat 8 and Clamping block cover 86, wherein, the clamping block seat 8 is provided with a square hole 81 that can be mated with the light pole 1, and two of the opposite inner side walls of the square hole 81 of the clamping block seat 8 are respectively provided with There is a cavity 82, and the bottom of each cavity 82 is open, and each cavity 82 is provided with a spring 83 and a clamping block 84, during installation, the spring 83 and the clamping block 84 from the cavity 82 The bottom opening is installed, one side of the clamping block 84 is a plane corresponding to the side wall of the light pole 1, and the other side of the clamping block 84 is formed with a corresponding cavity 82 of the clamping block seat 8. Concave cavity 841, and, the center of cavity 841 forms convex column 842, and spring 83 is sleeved on the convex column 842, and one end of spring 83 is against the inner wall of cavity 82, and the other end of spring 83 and cavity 841 The elastic force generated by the spring 83 can ensure that the plane side of the clamping block 84 can always be in close contact with the side wall of the light pole 1;

The clamping block seat 8 is accommodated in the clamping block cover 86, and the clamping block seat 8 and the clamping block cover 86 are fixedly connected by screws, and the top of the clamping block cover 86 is offset against the fixed plate 7. Therefore, the clamping block cover 86 can play the role of protecting the clamping block 84 and the spring 83, preventing the clamping block 84 and the spring 83 from falling out. After being fixedly connected, it can play the role of clamping the fixed plate 7, so that the fixed plate 7, the clamping block seat 8 and the clamping block cover 86 are fixedly connected as one;

The fixed plate 7 is sleeved outside the clamping block seat 8, and the center of the fixed plate 7 is provided with a through hole 73. The through hole 73 is provided with a first stepped surface 71 along the circumferential direction, and the top end of the clamping block seat 8 is along the circumferential direction. With an outwardly protruding flange, the flange of the clamping block seat 8 is axially limited on the first stepped surface 71 .

In order to facilitate the assembly and connection of the installation assembly to the installation surface, the installation assembly also includes a decorative cover 5 and a bottom cover 6, the decorative cover 5 is sleeved outside the fixing plate 7, and the outer peripheral wall of the fixing plate 7 is provided with a second stepped surface 72, the inner top surface of the decorative cover 5 is axially limited on the second stepped surface 72, and the decorative cover 5 is also provided with internal threads;

The bottom cover 6 is sleeved outside the clamping block cover 86, and the bottom cover 6 is also provided with mounting holes 61 for screws to pass through. The inner bottom surface of the bottom cover 6 is provided with an annular groove 62, and an elastic member 9 for sealing connection is arranged in the annular groove 62, and the elastic member 9 in this embodiment is a rubber ring.

When installing, first fix the bottom cover 6 with the rubber ring on the installation surface with screws, and then place the fixed plate 7, the clamping block cover 86 and the clamping block seat 8 together on the bottom cover 6 , and finally tighten the decorative cover 5 and the bottom cover 6 to complete the assembly of the installation components.

In order to prevent the light pole 1 from being completely pulled out from the installation assembly, a stop plate 13 that can be against the bottom of the clamping block cover 86 is also provided at the bottom of the light pole 1. When the stop plate 13 is against the clamping block cover 86 At the bottom, at this time, the light pole 1 cannot continue to be pulled upwards relative to the installation assembly, so as to realize the axial limit of the light pole 1 relative to the installation assembly, and prevent the light pole 1 from being completely pulled out of the installation assembly.

In order to facilitate the adjustment of the lighting angle, the lamp body 2 of this embodiment and the lamp pole 1 are living hinges, and the hinged end of the lamp pole 1 is formed with two first lugs 11 arranged at intervals, and each first lug 11 is provided with a first threaded hole 111. Correspondingly, the hinged end of the lamp body 2 is also formed with two second lugs 21 that can be respectively hinged with the first lugs 11 on the light pole 1. The second lugs 21 is provided with a first through hole 211 that is aligned with the corresponding first threaded hole 111, and each set of correspondingly connected first lugs 11 and second lugs 21 passes through the first threaded hole 111 and the second lug 21. The anti-loosening screw 4 in a through hole 211 realizes movable hinge connection.

In order to prevent the anti-loosening screw 4 from loosening in the axial direction during use, a second threaded hole 12 communicating with the first threaded hole 111 is also provided on the front of the light pole 1. The axial direction of a threaded hole 111 is perpendicular to each other, and the second threaded hole 12 is pierced with a fastening screw that can interfere with the thread of the anti-loosening screw 4 , see FIG. 4 .

In order to further improve the connection reliability of the anti-loosening screw 4, the first through hole 211 is designed as a stepped hole, and the anti-loosening screw 4 includes a large end and a screw rod, wherein the screw head of the anti-loosening screw 4 penetrates into the small diameter of the threaded hole 111 end, the big end of the anti-loosening screw 4 is accommodated in the large-diameter end of the first through hole 211, and the anti-loosening screw 4 is also sleeved with an elastic body that prevents the anti-loosening screw 4 from sliding outward, and the elastic body is preferably used The combination of the flat gasket 41 and the disk gasket 42, one side of the flat gasket 41 is against the stepped surface of the first through hole 211, and the small end of the disk gasket 42 is connected to the other side of the flat gasket 41. Offset, the large end of the disk-shaped gasket 42 and the large-end of the anti-loosening screw 4 are offset, and when the anti-loosening screw 4 is tightened, the disk-shaped gasket 42 is stretched and an inward pre-tension is generated to better prevent Lock screw 4 is loose.

In order to facilitate the arrangement of the wires, the light pole 1 is also provided with a shaft hole 14 in the axial direction, and the wires in the lamp cap 3 can penetrate into the shaft hole 14 from the gap 15 between the two first lugs 111 of the light pole 1; In order to avoid tearing off the wire, a crimping part 16 is provided at the bottom of the light pole 1, and the wire passing through the shaft hole 14 from the lamp cap 3 passes through the crimping part 16 to effectively fix the wire.

Embodiment 2, as shown in Figures 5-7:

Like the embodiment, the LED lamp of this embodiment also includes a lamp post 1, a lamp body 2 and a lamp cap 3, and a mounting assembly is arranged on the lamp post 1, wherein the lamp body 2, the lamp cap 3 and the parts between them in this embodiment The connection structure is the same as the structure of the first embodiment, and will not be repeated here.

The difference between the second embodiment and the first embodiment lies in the structure of the installation assembly. The installation assembly of this embodiment includes a decorative cover 5', an installation seat 6', a blocking piece 7' and a clamping block seat 8';

Wherein, the clamping block seat 8' is cylindrical, and the clamping block seat 8' is provided with a square hole 81' which can be mated with the light pole 1 along the axial direction. Among them, two opposite inner side walls are respectively provided with concave cavities 82', and the bottom of the concave cavity 82' is open, and a spring 83' and a clamping block 84' are installed in the concave cavity 82', and one part of the clamping block 84' The side can be against the side wall of the light pole 1, and the other side of the clamping block 84' is formed with a concave cavity 841', and the middle of the cavity 841' has a convex post 842', and the spring 83' is set on the convex On the post 842', one end of the spring 83' is in contact with the bottom of the cavity 841', and the other end of the spring 83' is in contact with the bottom of the cavity 82';

The clamping block seat 8' is provided with an arc-shaped slot 85' arranged along the circumferential direction on the outer wall corresponding to each side of the cavity 82', and the fixed block 7' can be inserted in the arc-shaped slot 85'. One end of the blocking piece 7' forms an arc-shaped structure that matches the arc of the arc-shaped slot 85', and the upper end surface of the blocking piece 7' is also provided with at least one convex point 71';

When installing, first put the spring 83' and the clamping block 84' from the bottom opening of the cavity 82' of the clamping block seat 8' into the cavity 82', and then insert the blocking pieces 7' into the corresponding slots 85 'Inside, the blocking piece 7' is inserted into the card slot 85' and just located at the bottom of the clamping block 84', preventing the spring 83' and the clamping block 84' from falling out from the bottom of the cavity 82', and the protrusion of the blocking piece 7' The point 71' can abut against the bottom of the clamping block 84' to ensure the positioning reliability of the clamping block 84' in the cavity 82' and prevent the shaking of the clamping block 84' in the cavity 82'.

The mounting seat 6' of this embodiment is rotatably sleeved outside the clamping block seat 8', the mounting seat 6' is in the shape of a cylinder as a whole, and the top of the mounting seat 6' forms an annular top cover 61', and the annular top cover 61 'plays the role of the installation cover, on which there is an installation hole 611' connecting the installation surface along the circumference, and an annular inner step surface 612' is also formed on the inner hole wall of the annular top cover 61', the installation seat 6' The lower part is formed with a sleeve 62' integrally formed with the annular top cover 61'; the top of the clamping block seat 8' is radially outwardly formed with an annular boss 86', and the bottom of the clamping block seat 8' is provided with two Elastic clip 87'; during installation, the clamping block seat 8' is inserted into the mounting seat 6' from top to bottom, and the elastic clip 87' is squeezed and tightened in the mounting seat 6', when the clamping block seat 8 When the annular boss 86' on the top is in contact with the annular inner step surface 612', the clamping block seat 8' realizes the downward axial limit. At this time, the two elastic clamp feet 87' of the clamping block seat 8' Extending out of the mounting seat 6' and abutting against the bottom of the mounting seat 6', the clamping block seat 8' achieves an upward axial limit.

Therefore, the light pole 1 can move up and down in the axial direction relative to the clamping block seat 8', and, under the action of the spring 83' and the clamping block 84', the light pole 1 can be moved with the clamping block seat 8' again. Together, they are rotated relative to the mounting base 6', so as to realize the double adjustment of the vertical height adjustment and the rotation direction of the light pole. Since the mounting seat 6' of this embodiment adopts a sleeve-type structure, the clamping block seat 8' with the built-in spring 83', clamping block 84' and blocking piece 7' can be integrated into the mounting seat 6', The mounting base 6' and the clamping block base 8' can be pre-assembled into an integrated structure. When the user is in use, just insert the light pole directly into the square hole 81 of the clamping block base 8' accommodated in the mounting base 6' ', then fix the mounting base 6' on a suitable mounting surface to complete the installation, the installation process is more convenient and simple; if you need to replace the lamp head or repair the lamp body, you can directly install the lamp pole from the clamping block 8' It can be pulled out from the hole 81' without dismantling the installation components, and the operation is simple and labor-saving.

In order to improve the reliability of rotation and enhance the feel of rotation, the outer wall of the clamping block seat 8' is also provided with at least one annular groove 88' at intervals along the circumferential direction, and an elastic collar 9 is arranged in the annular groove 88' ', the elastic collar 9' and the clamping block 8' are tightly connected. When the lamp pole drives the clamping block 8' to rotate together, the clamping block 8' and the mounting seat 6' pass The elastic collars 9' are in contact with each other, which can effectively prevent the clamping block seat 8' from shaking in the mounting seat 6', and while ensuring relative rotation, it can have a better rotational feel.

The decorative cover 5' of this embodiment has an inner diameter that matches the outer diameter of the annular top cover 61' of the mounting seat 6'. For the convenience of installation and disassembly, the decorative cover 5' is directly buckled and connected to the annular top cover 61' superior.

Claims (14)

1. An LED lamp with adjustable lamp pole height, comprising a lamp pole (1) with a square cross section and a lamp body (2) installed on the light pole (1), characterized in that: the light pole (1) is also provided with a mounting assembly, which includes a fixed plate (7), a clamping block seat (8) and a clamping block cover (86); Wherein, the clamping block seat (8) is provided with a square hole (81) that can be mated with the light pole (1), and two of the square holes (81) of the clamping block seat (8) are opposite to each other. Recessed cavities (82) are provided on the inner side walls respectively, and elastic devices that can always be in close contact with the side walls of the light pole (1) are provided in the concave cavities (82); The fixing plate (7) is sheathed outside the clamping block seat (8), and a through hole (73) is opened in the center of the fixing plate (7), and the through hole (73) is provided with The first stepped surface (71), the clamping block seat (8) is axially limited on the first stepped surface (71) of the fixing plate (7), and the clamping block seat (8) is accommodated The clamping block cover (86) is inside and fixedly connected, and the top of the clamping block cover (86) is against the bottom of the fixing plate (7). 2. The LED lamp with adjustable pole height according to claim 1, characterized in that: the elastic device includes a spring (83) and a clamping block (84), and the clamping block (84) is set In the concave cavity (82), one side of the clamping block (84) is against the side wall of the light pole (1), and the other side of the clamping block (84) is formed with a concave A cavity (841), the middle of the cavity (841) has a boss (842), the spring (83) is sleeved on the boss (842), one end of the spring (83) and the cavity The bottom of the chamber (841) is in contact, and the other end of the spring (83) is in contact with the bottom of the cavity (82). 3. The LED lamp with adjustable pole height according to claim 1, characterized in that: the installation assembly also includes a decorative cover (5) and a bottom cover (6), and the decorative cover (5) is provided with Internal thread, the outer peripheral surface of the fixing plate (7) is provided with a second step surface (72), the decorative cover (5) is sleeved outside the fixing plate (7) and axially limited on the on the second step surface (72) of the fixing plate (7); the bottom cover (6) is sleeved outside the clamping block cover (86), and the bottom cover (6) is provided with a The outer circumference of the bottom cover (6) is provided with an external thread that can be connected with the internal thread of the decorative cover (5). 4. The LED lamp with adjustable pole height according to claim 3, characterized in that: the bottom surface of the bottom cover (6) is also provided with an annular groove (62), and inside the annular groove (62) An elastic piece (9) is provided. 5. The LED lamp with adjustable pole height according to claim 1, characterized in that: the bottom of the pole (1) is also provided with a stop that can offset against the bottom limit of the clamping block cover (86). bit board (13). 6. An LED lamp with an adjustable light pole height, comprising a light pole (1) with a square cross section and a light body (2) installed on the light pole (1), characterized in that: the light pole (1) is also provided with a mounting assembly, which includes a blocking piece (7') and a clamping block seat (8'); Wherein, the clamping block seat (8') is provided with a square hole (81') that can be mated with the light pole (1), and the square hole (81') of the clamping block seat (8') Wherein the two opposite inner sidewalls are respectively provided with concave cavities (82'), and the said concave cavities (82') are provided with elastic devices which can always be in close contact with the side walls of the light pole (1), The blocking piece (7') is arranged at the bottom of the cavity (82'). 7. The LED lamp with adjustable pole height according to claim 6, characterized in that: the elastic device includes a spring (83') and a clamping block (84'), and the clamping block (84 ') is arranged in the cavity (82'), one side of the clamping block (84') is against the side wall of the light pole (1), and the other side of the clamping block (84') A concave cavity (841') is formed on the side, and a protruding post (842') is formed in the middle of the cavity (841'), and the spring (83') is sleeved on the protruding post (842'), One end of the spring (83') abuts against the bottom of the chamber (841'), and the other end of the spring (83') abuts against the bottom of the cavity (82'). 8. The LED lamp with adjustable pole height according to claim 7, characterized in that: the outer side wall of the clamping block seat (8') is on the side corresponding to each of the concave cavities (82') There is a card slot (85') arranged in the circumferential direction for the insertion of the blocking piece (7'), and one end of the blocking piece (71') is arc-shaped and inserted into the card slot (85') In addition, the upper end surface of the blocking piece (7') is also provided with a convex point (71') capable of abutting against the bottom of the clamping block (84'). 9. The LED lamp with adjustable lamp pole height according to claim 6, characterized in that: the mounting assembly further includes a mounting base (6'), and the mounting base (6') is rotatably sleeved on In addition to the clamping block seat (8'), the top of the mounting seat (6') forms an annular top cover (61'), and the annular top cover (61') is provided with a mounting hole for connecting the mounting surface ( 611'), the inner hole wall of the annular top cover (61') is formed with an annular inner step surface (612'), and the lower part of the mounting seat (6') forms a sleeve integrally formed with the annular top cover (62'); the top of the clamping block seat (8') is radially outwardly formed to be able to abut against the annular inner step surface (612') to realize the clamping block seat (8') downward Axially limited annular boss (86'); the bottom of the clamping block seat (8') is provided with at least one that can abut against the bottom end of the mounting seat (6') to realize the clamping block seat (8') an elastic clamping foot (87') for upward axial limitation. 10. The LED lamp with adjustable lamp pole height according to claim 9, characterized in that: the outer wall of the clamping block seat (8') is also provided with an annular groove (88') along the circumference, so that An elastic collar (9') tightly fitted with the clamping block seat is arranged in the annular groove (88'). 11. The LED lamp with adjustable pole height according to claim 9, characterized in that: the installation assembly further includes a decorative cover (5'), and the decorative cover (5') is buckled and connected to the ring On the top cover (61'), and the inner diameter of the decorative cover (5') matches the outer diameter of the annular top cover (61') of the mounting seat (6'). 12. The LED lamp with adjustable lamp pole height according to any one of claims 1-11, characterized in that: the lamp holder (3) is articulated on the lamp pole (1), and the lamp The hinged end of the rod (1) is formed with a first lug (11), and the first lug (11) is provided with a first threaded hole (111). Correspondingly, the hinged end of the lamp body (2) A second lug (21) capable of abutting against the side wall of the first lug (11) is formed, and a threaded hole (111) is provided on the second lug (21) to align with the first threaded hole (111). The first through hole (211), the first lug (11) and the second lug (21) pass through between the first threaded hole (111) and the first through hole (211) The anti-loosening screw (4) inside realizes the movable hinge connection, and a second threaded hole (12) connected with the first threaded hole (111) is also provided on the light pole (1), and the The axial direction of the second threaded hole (12) is perpendicular to the axial direction of the first threaded hole (111), and the second threaded hole (12) is pierced with a screw that can be connected with the anti-loosening screw (4). Clamping screws with conflicting threads. 13. The LED lamp with adjustable lamp pole height according to claim 12, characterized in that: the first through hole (211) is a stepped hole, and the anti-loosening screw (4) includes a big end and a screw rod, Wherein, the screw head of the anti-loosening screw (4) penetrates into the small-diameter end of the threaded hole (111), and the big end of the anti-loosening screw (4) is accommodated in the first through hole (211). large-diameter end, and the anti-loosening screw (4) is also sleeved with an elastic body that prevents the anti-loosening screw (4) from sliding outward, and one side of the elastic body and the first through hole (211 ) against the stepped surface, and the other side of the elastic body is against the big end of the anti-loosening screw (4). 14. The LED lamp with adjustable pole height according to claim 13, characterized in that: the elastic body includes a flat washer (41) and a disc-shaped washer (42), wherein the flat washer One side of (41) is against the stepped surface of the first through hole (211), and the small head end of the disc gasket (42) is against the other side of the flat gasket (41). The big end of the disc washer (42) is against the big end of the locking screw (4).

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