CN110822191B

CN110822191B - Automobile bellows connector

Info

Publication number: CN110822191B
Application number: CN201810905759.2A
Authority: CN
Inventors: 陈炳泉
Original assignee: Wuxi Xishan Huanyu Metal Hose Co ltd
Current assignee: Wuxi Xishan Huanyu Metal Hose Co ltd
Priority date: 2018-08-10
Filing date: 2018-08-10
Publication date: 2025-04-15
Anticipated expiration: 2038-08-10
Also published as: CN110822191A

Abstract

The present invention relates to the technical field of corrugated pipes, and discloses an automobile bellows connector, comprising a bellows I, one end of which is threadedly sleeved with a fixing plate, both ends of which are fixedly installed with limit plates, a positioning cylinder is fixedly installed on the top of the limit plate, the inner cavity of the positioning cylinder is fixedly sleeved with a telescopic spring, and one end of the telescopic spring is fixedly connected with a positioning rod. The automobile bellows connector prevents the fixing plate from falling off due to long-term use of the fixing plate through the cooperation of the bellows I and the fixing plate, prevents the bellows I from falling off by the cooperation of the limit plate and the positioning rod, and makes use of the effect of the telescopic spring to make the bellows I damaged and be replaced in time to avoid unnecessary accidents, and prevents the bellows I and the bellows II from falling off during use by the cooperation of the threaded pipe and the fixing block, causing air leakage between the bellows and reducing the exhaust efficiency.

Description

Automobile corrugated pipe connecting piece

Technical Field

The invention relates to the technical field of corrugated pipes, in particular to an automobile corrugated pipe connecting piece.

Background

The corrugated pipe is a tubular elastic sensitive element formed by connecting foldable corrugated sheets along the folding and stretching directions, the corrugated pipe is widely applied to instruments and meters, the corrugated pipe is mainly used as a measuring element of a pressure measuring instrument, the pressure is converted into displacement or force, the wall of the corrugated pipe is thinner, the sensitivity is higher, the measuring range is tens of Pa to tens of MPa, the open end of the corrugated pipe is fixed, the sealed end is in a free state, the elastic property is increased by using an auxiliary spiral spring or reed, the corrugated pipe stretches along the length direction of the pipe under the action of internal pressure when in operation, the movable end generates displacement in a certain relation with the pressure, the movable end drives a pointer to directly indicate the pressure, the corrugated pipe is often combined with a displacement sensor to form a pressure sensor outputting electric quantity, and the corrugated pipe is sometimes used as an isolating element.

When the bellows is used, a bellows can not meet the requirement, the bellows needs to be lengthened, at the moment, the bellows connecting piece is needed to be used, the existing bellows connecting piece is used for a long time, and the sealing ring in the bellows connecting piece is used for a long time, so that air leakage among the bellows is caused, the use of the bellows is affected, and meanwhile, the bellows connecting piece can fall off from the bellows.

Disclosure of Invention

(One) solving the technical problems

Aiming at the defects of the prior art, the invention provides the automobile corrugated pipe connecting piece which has the advantages of good sealing performance, firm connection and the like, and solves the problems that the sealing rings in the corrugated pipe connecting piece are used for a long time in long time, so that air leakage among corrugated pipes is caused, the use of the corrugated pipes is influenced, and the corrugated pipe connecting piece falls off from the corrugated pipes.

(II) technical scheme

The technical scheme is that the automobile corrugated pipe connecting piece comprises a corrugated pipe I, one end of the corrugated pipe I is in threaded connection with a fixed plate, two ends of the fixed plate are fixedly provided with limiting plates, the top of the limiting plates is fixedly provided with a positioning cylinder, an inner cavity of the positioning cylinder is fixedly sleeved with a telescopic spring, one end of the telescopic spring is fixedly connected with a positioning rod, one end of the positioning rod penetrates through the positioning cylinder and extends to the outside of the positioning cylinder, one end of the positioning rod is movably sleeved with a limiting rod, one end of the positioning rod penetrates through the limiting rod and extends to the outside of the limiting rod, the top of the limiting rod is movably sleeved with a pushing block, the side surface of the pushing block is fixedly connected with a pushing rod, one end of the pushing rod penetrates through the limiting rod and extends to the inside of the limiting rod, the side surface of the pushing rod is movably connected with a transmission rod, one end of the transmission rod is fixedly connected with a positioning device, one end of the transmission rod penetrates through the positioning device and extends to the inside of the positioning device, one end of the transmission rod is fixedly connected with a limiting block, one end of the transmission rod is fixedly connected with a compression spring, one end of the compression sleeve is fixedly connected with one end of the compression sleeve is connected with one end of the compression sleeve, one end of the compression sleeve is fixedly connected with one end of the compression sleeve, the compression sleeve is fixedly connected with one end of the compression sleeve, the side thread of connecting plate has cup jointed bellows II.

Preferably, the sealing ring is Gao Wenjuan resistant, and positioning blocks positioned on the inner ring of the threaded pipe are annularly arranged around the sealing ring.

Preferably, the anti-slip layer is fixedly arranged on the limiting block, one end of the limiting block is perpendicular to the side face of the threaded pipe, and one end of the limiting block is movably connected with the side face of the threaded pipe.

Preferably, the side surface of the limiting rod is fixedly provided with a positioning pin, one end of the pushing rod penetrates through the positioning pin and extends to the outside of the positioning pin, one end of the pushing rod is perpendicular to the positioning pin, and one end of the pushing rod is movably connected with the positioning pin.

Preferably, the number of the pushing rods is four, two pushing rods are in a group, and the two groups of pushing rods are symmetrically distributed on two sides of the limiting rod.

Preferably, the number of the supporting rods is four, two supporting rods are in a group, and the two groups of the supporting rods are symmetrically distributed at the bottoms of the four positioning cylinders.

(III) beneficial effects

Compared with the prior art, the invention provides the automobile corrugated pipe connecting piece, which has the following beneficial effects:

1. This car bellows connecting piece, through the cooperation of bellows I and fixed plate, prevent the long-time use of fixed plate, lead to the fixed plate to drop, utilize the cooperation of limiting plate and locating lever, prevent that bellows I from dropping, utilize telescopic spring's effect for bellows I damages, can obtain timely change, avoids causing unnecessary accident, utilizes the cooperation of screwed pipe and fixed block, prevents bellows I and bellows II in use and drops, causes gas leakage between the bellows, reduces exhaust efficiency.

2. This car bellows connecting piece, through the cooperation of sealing washer and locating piece, prevent that the sealing washer from when receiving the impact, skew original position utilizes the cooperation of impeller block and catch bar for the transfer line promotes compression spring and drives stopper clamp screw thread pipe, prevents that the screw thread pipe from droing, utilizes the effect of bracing piece, prevents that locating equipment atress from dropping from the screw thread pipe, utilizes the effect of locating pin, prevents that the catch bar from rocking back and forth in the gag lever post below when removing, influences stopper clamp screw thread pipe.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic top view of a bellows;

FIG. 3 is an enlarged schematic view of a portion of FIG. 1 at A;

Fig. 4 is a partially enlarged schematic view of fig. 1 at B.

In the figure, a corrugated pipe I, a fixed plate 2, a limit plate 3, a locating cylinder 4, a telescopic spring 5, a locating rod 6, a limit rod 7, a pushing block 8, a pushing rod 9, a transmission rod 10, locating equipment 11, a compression spring 12, a limit block 13, a supporting rod 14, a threaded pipe 15, a sealing ring 16, a locating block 17, a fixed block 18, a connecting plate 19, a corrugated pipe II 20 and a locating pin 21 are arranged.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-4, an automobile corrugated pipe connecting piece comprises a corrugated pipe I1, one end of the corrugated pipe I1 is in threaded sleeve joint with a fixed plate 2, both ends of the fixed plate 2 are fixedly provided with a limiting plate 3, the top of the limiting plate 3 is fixedly provided with a positioning cylinder 4, the inner cavity of the positioning cylinder 4 is fixedly sleeved with a telescopic spring 5, one end of the telescopic spring 5 is fixedly connected with a positioning rod 6, one end of the positioning rod 6 penetrates through the positioning cylinder 4 and extends to the outside of the positioning cylinder 4, one end of the positioning rod 6 is movably sleeved with a limiting rod 7, the side surface of the limiting rod 7 is fixedly provided with a positioning pin 21, one end of a pushing rod 9 penetrates through the positioning pin 21 and extends to the outside of the positioning pin 21, one end of the pushing rod 9 is mutually perpendicular to the positioning pin 21, one end of the pushing rod 9 is movably connected with the positioning pin 21, and the pushing rod 9 is prevented from swinging back and forth below the limiting rod 7 when the pushing rod 9 moves downwards, the limiting block 13 is led to loosen the threaded pipe 15, the threaded pipe 15 is used for a long time, the sealing ring 16 is loosened, the use of the corrugated pipe is affected, the moving stability of the pushing rod 9 is improved, one end of the positioning rod 6 penetrates through the limiting rod 7 and extends to the outside of the limiting rod 7, the pushing block 8 is movably sleeved at the top of the limiting rod 7, the pushing rods 9 are fixedly connected to the side surfaces of the pushing block 8, one ends of the pushing rods 9 are of an inclined design, the number of the pushing rods 9 is four, two pushing rods 9 are in a group, two groups of pushing rods are symmetrically distributed on two sides of the limiting rod 7, the inclined design of the pushing rods 9 enables the pushing rods 9 to move downwards, the limiting block 13 clamps the threaded pipe 15, the threaded pipe 15 is prevented from falling off, one ends of the pushing rods 9 penetrate through the limiting rod 7 and extend to the inside of the limiting rod 7, the side surfaces of the pushing rods 9 are movably connected with the transmission rods 10, one end of the transmission rod 10 is fixedly connected with the positioning device 11, one end of the transmission rod 10 penetrates through the positioning device 11 and extends to the inside of the positioning device 11, one end of the transmission rod 10 is fixedly connected with the compression spring 12 positioned in the positioning device 11, one end of the compression spring 12 is fixedly connected with the limiting block 13, an anti-slip layer is fixedly arranged on the limiting block 13, one end of the limiting block 13 is mutually perpendicular to the side face of the threaded pipe 15, one end of the limiting block 13 is movably connected with the side face of the threaded pipe 15, the limiting block 13 is prevented from slipping when the threaded pipe 15 is clamped, the threaded pipe 15 is loosened, friction force between the limiting block 13 and the threaded pipe 15 is increased, stability of the limiting block 13 is improved, one end of the limiting block 13 penetrates through the positioning device 11 and extends to the outside of the positioning device 11, a supporting rod 14 positioned on the side face of the fixed plate 2 is fixedly arranged at the bottom of the positioning device 11, the number of the supporting rods 14 is four, two groups of the four supporting rods 14 are one group, two groups of the four supporting rods 14 are symmetrically distributed at the bottoms of the four positioning cylinders 4, the positioning cylinders 4 are prevented from falling off from the side surfaces of the threaded pipes 15, the stability of the positioning cylinders 4 is improved by utilizing the action of the supporting rods 14, one end of each supporting rod 14 is fixedly connected with the threaded pipe 15, the sealing rings 16 are fixedly sleeved in the threaded pipes 15, the sealing rings 16 are Gao Wenjuan resistant, positioning blocks 17 positioned at the inner rings of the threaded pipes 15 are annularly arranged around the sealing rings 16, the sealing rings 16 are prevented from being used for a long time, when the sealing rings 16 bear impact, the sealing rings 16 deviate from the original positions, the joint of the corrugated pipes I1 and the corrugated pipes II20 leaks air, the sealing performance of the corrugated pipes is influenced, the sealing rings 16 are prevented from bearing high temperature for a long time, the sealing rings 16 are prevented from being decomposed, the stability of the sealing rings 16 is improved, the side screw thread of sealing washer 16 has cup jointed the fixed block 18 that is located inside screwed pipe 15, and the side fixed mounting of fixed block 18 has the connecting plate 19 that is located gag lever post 7 one end, and the side screw thread of connecting plate 19 cup joints bellows II20.

When the device works, firstly, the sealing ring 16 is placed in the threaded pipe 15, the corrugated pipe I1 is screwed into the fixed plate 2, the corrugated pipe II20 is screwed into the connecting plate 19, the limiting plate 3 is pushed, the telescopic spring 5 springs the positioning rod 6 to move out of the limiting rod 7, the limiting plate 3 and the limiting rod 7 are fixed, the pushing block 8 is pressed, the pushing rod 9 extrudes the transmission rod 10, and the compression spring 12 springs the limiting block 13 to clamp the threaded pipe 15.

In summary, the automobile corrugated pipe connecting piece prevents the fixed plate 2 from being used for a long time through the cooperation of the corrugated pipe I and the fixed plate 2, the fixed plate 2 is prevented from falling off, the limiting plate 3 and the positioning rod 6 are utilized to cooperate, the corrugated pipe I1 is prevented from falling off, the corrugated pipe I1 is damaged by the action of the telescopic spring 5, unnecessary accidents can be avoided, the corrugated pipe I1 and the corrugated pipe II20 are prevented from falling off in use by utilizing the cooperation of the threaded pipe 15 and the fixed block 18, air leakage between the corrugated pipes is avoided, the exhaust efficiency is reduced, the sealing ring 16 and the positioning block 17 are prevented from being matched, the sealing ring 16 is prevented from being offset from being in an original position when being impacted, the driving rod 10 is used for pushing the compression spring 12 to clamp the threaded pipe 15 by utilizing the cooperation of the pushing block 8 and the pushing rod 9, the threaded pipe 15 is prevented from falling off by utilizing the action of the supporting rod 14, the positioning device 11 is prevented from falling off from the threaded pipe 15 by utilizing the action of the positioning pin 21, the pushing rod 9 is prevented from shaking below the limiting rod 7 when moving, the limiting block 13 is influenced, the threaded pipe 15 is clamped by the limiting block 15 is prevented, the sealing ring 16 is influenced, the sealing ring 16 is prevented from falling off, and the corrugated pipe connecting piece is prevented from falling off, and the corrugated pipe 16 is simultaneously, and the problem that the corrugated pipe is long-time used, and the corrugated pipe connecting piece is used, and the problem is solved, and the problem that the corrugated pipe is caused when the corrugated pipe is long time is used.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An automobile corrugated pipe connecting piece comprises a corrugated pipe I (1), and is characterized in that one end of the corrugated pipe I (1) is in threaded sleeve connection with a fixed plate (2), two ends of the fixed plate (2) are fixedly provided with limiting plates (3), the top of each limiting plate (3) is fixedly provided with a positioning cylinder (4), an inner cavity of each positioning cylinder (4) is fixedly sleeved with a telescopic spring (5), one end of each telescopic spring (5) is fixedly connected with a positioning rod (6), one end of each positioning rod (6) penetrates through each positioning cylinder (4) and extends to the outside of each positioning cylinder (4), one end of each positioning rod (6) is movably sleeved with a limiting rod (7), one end of each positioning rod (6) penetrates through each limiting rod (7) and extends to the outside of each limiting rod (7), the top of each limiting rod (7) is movably sleeved with a pushing block (8), one end of each pushing rod (9) penetrates through each limiting rod (7) and extends to the inside of each limiting rod (7), one end of each pushing rod (9) is fixedly connected with a driving device (10), one end of transfer line (10) runs through locating device (11) and extends to the inside of locating device (11), the one end fixedly connected with of transfer line (10) is located inside compression spring (12) of locating device (11), the one end fixedly connected with stopper (13) of compression spring (12), the one end of stopper (13) runs through locating device (11) and extends to the outside of locating device (11), the bottom fixed mounting of locating device (11) has bracing piece (14) that are located fixed plate (2) side, the one end fixedly connected with screwed pipe (15) of bracing piece (14), the inside fixed cover of screwed pipe (15) is equipped with sealing washer (16), the side screw thread of sealing washer (16) cup joints fixed block (18) that are located screwed pipe (15) inside, the side fixed mounting of fixed block (18) has connecting plate (19) that are located gag lever (7) one end, the side screw thread of connecting plate (19) cup joints bellows II (20).

2. The automobile corrugated pipe connecting piece according to claim 1, wherein the sealing ring (16) is a Gao Wenjuan resistant ring, and positioning blocks (17) positioned on the inner ring of the threaded pipe (15) are annularly arranged around the sealing ring (16).

3. The automobile corrugated pipe connecting piece according to claim 1, wherein the anti-slip layer is fixedly arranged on the limiting block (13), one end of the limiting block (13) is perpendicular to the side face of the threaded pipe (15), and one end of the limiting block (13) is movably connected with the side face of the threaded pipe (15).

4. The automobile corrugated pipe connecting piece according to claim 1, wherein a locating pin (21) is fixedly arranged on the side face of the limiting rod (7), one end of the pushing rod (9) penetrates through the locating pin (21) and extends to the outside of the locating pin (21), one end of the pushing rod (9) is perpendicular to the locating pin (21), and one end of the pushing rod (9) is movably connected with the locating pin (21).

5. The automobile corrugated pipe connecting piece according to claim 1, wherein the number of the pushing rods (9) is four, two pushing rods (9) are in one group, and two groups of pushing rods are symmetrically distributed on two sides of the limiting rod (7).

6. The automobile corrugated pipe connecting piece according to claim 1, wherein the number of the supporting rods (14) is four, two supporting rods (14) are in one group, and two groups of the supporting rods are symmetrically distributed at the bottoms of the four positioning cylinders (4).