CN217085373U - Adjustable lens fixing structure and laser - Google Patents

Abstract

The utility model discloses a lens fixed knot constructs and laser instrument with adjustable. The adjustable lens fixing structure comprises a base and an adjusting piece; the base is provided with an accommodating cavity for accommodating an optical lens, a first adjusting groove and a second adjusting groove are respectively formed in two opposite side surfaces of the base, the first adjusting groove and the second adjusting groove are oppositely arranged at intervals and are not communicated, and a first screw hole penetrating through the first adjusting groove and a second screw hole penetrating through the second adjusting groove are respectively formed in the front end surface of the base; the adjusting part comprises a first screw rod screwed in the first screw hole and a second screw rod screwed in the second screw hole, the groove widths of the first adjusting groove and the second adjusting groove are correspondingly adjusted by changing the screwing depths of the first screw rod and the second screw rod in the first screw hole and the second screw hole respectively, the position and the inclination angle of the optical lens are changed, the optical lens can be quickly adjusted to a proper position during optical path adjustment, the structure is simple, the implementation cost is low, the adjusting operation is simple, and the adjusting precision is high.

Description

Adjustable lens fixing structure and laser

technical field

The utility model relates to the technical field of laser equipment, in particular to an adjustable lens fixing structure and a laser.

Background technique

In the optical lens assembly of the existing laser, the optical lens is fixed on the mounting base. Since the optical lens requires extremely high installation accuracy, after the optical lens is fixed on the mounting base, it usually cannot directly reach the exact position required by the laser optical path. During the adjustment of the optical path, it is necessary to dynamically adjust the installation position or angle of the optical lens to achieve the laser optical path. installation requirements.

Chinese patent CN2013205383311 discloses a lens adjustment frame, comprising a base with a first groove, a light-transmitting opening at the bottom of the first groove, and a side surface of the opening and the bottom surface of the first groove form a stepped structure; The movable mirror seat is arranged in the first groove and can move; the opposite sides of the base along the moving direction of the movable mirror seat are fixed with a first adjustment device and a second adjustment device for pressing the movable mirror seat. Although this technical solution can adjust the position of the lens by moving the movable lens seat, and adjust the inclination angle and direction of the base through the adjusting nut on the adjusting plate of the lens frame, it has many components, the overall structure is more complicated, and the processing is difficult. , resulting in a relatively high implementation cost of the optical path mechanical structure of the laser.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the present invention proposes an adjustable lens fixing structure with simple structure, easy processing and reliable precision, and a laser with the adjustable lens fixing structure.

The utility model proposes an adjustable lens fixing structure, which comprises a base and an adjusting member; the base is provided with a accommodating cavity for accommodating an optical lens, and two opposite sides of the base are respectively provided with a first adjustment groove and a second adjustment groove The first adjustment slot and the second adjustment slot are arranged opposite to each other and are not connected, and the front end face of the base is respectively provided with a first screw hole passing through the first adjustment slot and a second screw hole passing through the second adjustment slot. The adjusting member includes a first screw screwed in the first screw hole and a second screw screwed in the second screw hole, so as to change the first screw hole and the second screw hole respectively in the first screw hole and the second screw hole. The screwing depth in the screw hole correspondingly adjusts the groove widths of the first adjusting groove and the second adjusting groove in the direction of the central axis of the accommodating cavity.

In a preferred embodiment, in the direction of the central axis of the accommodating cavity, the projections of the accommodating cavity all overlap the projections of the first adjusting groove and the second adjusting groove.

In a preferred embodiment, the base is made of a resilient material.

In a preferred embodiment, the adjustable lens fixing structure further includes a mounting bracket, and the rear end surface of the base is fixedly connected to the mounting bracket.

In a preferred embodiment, a through assembly hole is located on the base, a fixing hole is correspondingly provided on the mounting bracket, and a fixing member is inserted from the through assembly hole to the fixing hole to fix the base on the mounting bracket.

In a preferred embodiment, a first adjustment groove is provided on the second outer side of the base facing the opposite side, and the first adjustment groove does not extend to the second outer side, and the first adjustment groove connects the base to the second outer side. It is divided into a base rear part located at the rear side of the first adjustment slot and a base main body located at the front side of the first adjustment slot.

In a preferred embodiment, the first screw rod is threadedly connected to the rear side of the base after passing through the first adjusting groove from the base body.

In a preferred embodiment, a second adjustment groove is provided on the second outer side of the base with a dislocation toward the first outer side, the second adjustment groove does not extend to the first outer side, and the second adjustment groove further divides the base body into The front side part of the base located on the front side of the second adjusting groove and the intermediate connecting part connected between the rear side part of the base and the front side part of the base.

In a preferred embodiment, the second screw rod passes through the second adjusting groove from the front side of the base and is threadedly connected to the middle connecting portion.

The utility model discloses a laser, comprising an optical lens and the adjustable lens fixing structure, wherein the optical lens is fixed in an accommodating cavity.

Compared with the prior art, the utility model has the following beneficial effects:

The adjustable lens fixing structure disclosed by the utility model has a simple overall structure. By adjusting the screwing depths of the first screw rod and the second screw rod on the base, the first adjustment groove and the second adjustment groove can be adjusted in the center of the accommodating cavity. The groove width in the axial direction can further change the position and inclination angle of the optical lens, so that the optical lens can be quickly adjusted to an appropriate position when the optical path is adjusted, and the adjustment operation is simple and the adjustment precision is high. In addition, the base is easy to be processed and formed, and the realization cost is low.

Description of drawings

FIG. 1 is a schematic three-dimensional structure diagram of an installation base.

FIG. 2 is a schematic front view of the mounting base.

FIG. 3 is a schematic diagram of an exploded structure of an embodiment of an adjustable lens fixing structure.

FIG. 4 is a schematic three-dimensional structural diagram of an embodiment of an adjustable lens fixing structure.

FIG. 5 is a schematic diagram of the internal structure of an embodiment of an adjustable lens fixing structure.

Detailed ways

In order to further illustrate the technical means and effects adopted by the present application to achieve the predetermined purpose, the specific implementation, structure, features and effects of the present application will be described in detail below with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "embodiments" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics in one or more embodiments may be combined in any suitable form.

1-5, the present utility model discloses an adjustable lens fixing structure, including a base 1 and an adjusting member; the base 1 is provided with a accommodating cavity 10 for placing the optical lens 4, The two opposite sides are respectively provided with a first adjustment slot 11 and a second adjustment slot 12. The first adjustment slot 11 and the second adjustment slot 12 are arranged opposite to each other at intervals and are not connected. A first screw hole 13 of the adjusting slot 11 and a second screw hole 14 passing through the second adjusting slot 12; the adjusting member includes a first screw 21 screwed in the first screw hole 13 and a second screw hole screwed The second screw 22 in 14 is used to adjust the first adjustment groove 11 and the second adjustment groove by adjusting the screwing depth of the first screw 21 and the second screw 22 in the first screw hole 13 and the second screw hole 14 respectively. 12 is the groove width in the direction of the central axis of the accommodating cavity 10 .

When the base 1 is processed, on the basis of the existing base 1, a first adjustment groove 11 and a second adjustment groove 12 are respectively opened on two opposite sides of the base 1, and the simple processing is beneficial to reduce the realization cost. .

Especially shown in conjunction with FIGS. 1 and 2 . A first adjustment groove 11 is provided on the second outer side of the base 1 facing the opposite side, and the first adjustment groove 11 does not extend to the second outer side, and the base 1 is divided into two parts by the first adjustment groove 11 The rear side portion 101 of the base located on the rear side of the first adjustment slot 11 and the base main body located on the front side of the first adjustment slot 11; similarly, a second adjustment is provided on the second outer side of the base 1 by dislocation toward the first outer side Slot 12, the second adjustment slot 12 does not extend to the first outer side, the base body is further divided into the base front side 102 located on the front side of the second adjustment slot 12 by the second adjustment slot 12, and is connected to the base The intermediate connecting portion 103 between the rear side portion 101 and the base front side portion 102 .

The first screw 21 passes through the first adjusting groove 11 from the main body of the base and then is threadedly connected to the rear side 101 of the base. Therefore, by adjusting the screwing depth of the end of the first screw 21 and the rear side 101 of the base, it is possible to Change the groove width of the first adjusting groove 11 . The second screw 22 passes through the second adjusting groove 12 from the front side 102 of the base and then is threadedly connected to the intermediate connecting portion 103. Therefore, by adjusting the screwing depth of the end of the second screw 22 and the intermediate connecting portion 103, it can be changed. The groove width of the second adjusting groove 12 is provided.

The accommodating cavity 10 is opened on the front face of the front side portion 102 of the base to facilitate the placement and fixing of the optical lens 4 in the accommodating cavity 10. parts or screw compression, etc.) are fixed in the accommodating cavity 10.

When the rear side 101 of the base remains stationary or is used as a reference, by adjusting the groove widths of the first adjustment groove 11 and the second adjustment groove 12, the position and size of the accommodating cavity 10 relative to the rear side 101 of the base can be changed. slope. That is, when the laser adjusts the optical path, the groove widths of the first adjustment groove 11 and the second adjustment groove 12 are adjusted by the first screw 21 and the second screw 22, so that the position and the inclination angle of the optical lens 4 can be changed, so that the The optical lens 4 is adjusted to an appropriate position, the adjustment operation is simple and the adjustment precision is high. Specifically, when the groove width adjustment amounts of the first adjustment groove 11 and the second adjustment groove 12 are the same, the position of the optical lens 4 can be changed without changing its inclination angle; when the first adjustment groove 11 and the second adjustment groove 12 When the adjustment amount of the groove width is inconsistent, the inclination angle of the optical lens 4 can be changed.

In addition, the first adjusting groove 11 and the second adjusting groove 12 are both provided beyond the accommodating cavity 10 . That is, in the direction of the central axis of the accommodating cavity 10 , the projections of the accommodating cavity 10 both overlap the projections of the first adjusting groove 11 and the second adjusting groove 12 . This structure can ensure that the slot widths of the first adjusting slot 11 and the second adjusting slot 12 can be adjusted to correspond to the position and inclination angle of the base front side 101 relative to the base rear side 101 .

The base 1 is preferably made of elastic material (for example, preferably rigid elastic plastic, hard rubber). In this way, the groove widths of the first adjusting groove 11 and the second adjusting groove 12 are easier to adjust, and the adjustment precision is more precise, so that the best effect can be achieved.

Especially in the embodiment shown in FIGS. 3 to 5 , the adjustable lens fixing structure further includes a mounting bracket 5 , and the rear end surface of the base 1 is fixedly connected to the mounting bracket 5 , that is, the rear side 101 of the base is fixed to the mounting bracket 5 connected. For example, the base 1 is located at the through assembly hole 15, the mounting bracket 5 is provided with a corresponding fixing hole 51, and the base 1 can be fixed to the mounting bracket by inserting the fixing member 3 from the through assembly hole 15 to the fixing hole 51. 5 on.

The utility model also discloses a laser, comprising an optical lens 4 and the aforementioned adjustable lens fixing structure, wherein the optical lens 4 is fixed in the accommodating cavity 10 . Among them, in the embodiment shown in FIG. 3-FIG. 5, the base 1 is assembled and fixed on the casing of the laser through the mounting bracket 5, and the assembly is simple and the versatility is good.

The above descriptions are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application shall be included in the protection of the present application. within the range.

Claims (10)

1. An adjustable lens fixing structure is characterized by comprising a base and an adjusting piece;

the base is provided with an accommodating cavity for accommodating an optical lens, a first adjusting groove and a second adjusting groove are respectively formed in two opposite side surfaces of the base, the first adjusting groove and the second adjusting groove are oppositely arranged at intervals and are not communicated, and a first screw hole penetrating through the first adjusting groove and a second screw hole penetrating through the second adjusting groove are respectively formed in the front end surface of the base;

the adjusting piece comprises a first screw rod screwed in the first screw hole and a second screw rod screwed in the second screw hole, so that the groove widths of the first adjusting groove and the second adjusting groove in the central axis direction of the accommodating cavity are correspondingly adjusted by changing the screwing depths of the first screw rod and the second screw rod in the first screw hole and the second screw hole respectively.

2. The adjustable lens fixing structure according to claim 1, wherein in the central axis direction of the accommodating cavity, the projections of the accommodating cavity are overlapped on the projections of the first and second adjusting grooves.

3. The adjustable lens holding structure according to claim 1, wherein the base is made of an elastic material.

4. The adjustable lens holding structure according to claim 1, further comprising a mounting bracket, wherein the rear end surface of the base is fixedly connected to the mounting bracket.

5. The adjustable lens fixing structure of claim 4, wherein the base is located at the through-fitting hole, the mounting bracket is correspondingly provided with a fixing hole, and the base is fixed on the mounting bracket by inserting a fixing member into the fixing hole from the through-fitting hole.

6. The adjustable lens fixing structure according to any one of claims 1 to 5, wherein a first adjustment groove is formed in a second outer side surface of the base facing the opposite side, and the first adjustment groove does not extend to the second outer side surface, the first adjustment groove dividing the base into a base rear side portion located at a rear side of the first adjustment groove and a base main body located at a front side of the first adjustment groove.

7. The adjustable lens fixing structure of claim 6, wherein the first screw is threaded to the rear side of the base after passing through the first adjustment groove from the base body.

8. The adjustable lens retaining structure of claim 6, wherein the second outer side surface of the base is provided with a second adjustment groove that is offset toward the first outer side surface, the second adjustment groove does not extend to the first outer side surface, and the second adjustment groove further divides the base body into a base front side portion located at a front side of the second adjustment groove and an intermediate connection portion connected between the base rear side portion and the base front side portion.

9. The adjustable lens fixing structure according to claim 8, wherein the second screw is threaded with the intermediate connecting portion after passing through the second adjusting groove from the front side portion of the base.

10. A laser comprising an optical lens, further comprising an adjustable lens fixing structure according to any one of claims 1-9, wherein the optical lens is fixed in the accommodating cavity.

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