CN215217993U

CN215217993U - Air tightness testing mechanism for automobile inflating valve

Info

Publication number: CN215217993U
Application number: CN202121454900.5U
Authority: CN
Inventors: 徐志龙; 曹承伟; 程勇; 赵立; 陆小勇; 胡宇清
Original assignee: JIANGYIN CHUANGXIN TYRE VALVE CO Ltd
Current assignee: JIANGYIN CHUANGXIN TYRE VALVE CO Ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-17
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses an air tightness accredited testing organization for car inflating valve relates to auto-parts technical field, including mounting base, detection mechanism and adjustment mechanism, mounting base's inside is provided with the installation cavity, detection mechanism includes driving chain, gear, electric telescopic handle, rack, keeps off piece, two axis of rotation. The utility model discloses in, through opening electric telescopic handle, the drive end extension that makes electric telescopic handle drives rack horizontal migration, make the gear drive one of them axis of rotation and testboard rotation, cooperation through sprocket and driving chain, make two axis of rotation drive two testboards and rotate simultaneously, then cooperate two infrared scanners, can all-round surface that detects the inflating valve, current inflating valve detection mechanism has been solved and has been detected its surface crack because of most unable, lead to the problem that detection effect is low, the effect of utilizing the infrared ray all-round to detect the inflating valve surface has been realized.

Description

Air tightness testing mechanism for automobile inflating valve

Technical Field

The utility model relates to the technical field of auto-parts, especially, relate to an air tightness accredited testing organization for car inflating valve.

Background

The function of the valve is to inflate and deflate the tire as a small part and to maintain the seal after the tire is inflated. The common valve is composed of three main parts, namely a valve body, a valve core and a valve cap.

The prior art detects the valve inside and adopts every valve inside independent air feed, independent sealing, and the mechanism is complicated, and a plurality of processes of pushing down cause single airtight bad easily simultaneously. The airtight detection method adopts a pressure maintaining mode, when the air pressure drop is detected through a sensor in the leakage process, the detection precision is poor, and meanwhile, the detection mechanism is complex and the cost is high.

The prior patent (publication number: CN207585849U) discloses a valve air tightness detection mechanism, which can automatically judge the air tightness of a valve by observing whether bubbles are generated in a needle tube, and simultaneously overcomes the problem that single air tightness is poor when a plurality of valves are detected simultaneously by matching a sealing cover and a tool positioning plate.

However, the valve tightness detection mechanism designed above has some disadvantages in practical application: the inflating valve detection mechanism designed as above can only detect the air tightness of the inner wall of each inflating valve, and can not detect the outer surface of the inflating valve, and the production of the inflating valve belongs to production line type production, so that the quality of each product can not reach the standard, and some inflating valves with small cracks can exist, and the small cracks can not be visually detected by naked eyes, so that the inflating valves can temporarily pass the testability in the air tightness test, but the cracks can be enlarged after long-term use, and finally the inflating valves can not be used.

SUMMERY OF THE UTILITY MODEL

The utility model provides an air tightness accredited testing organization for car inflating valve has solved current inflating valve accredited testing organization and has leaded to the problem that the detection effect is low because of most unable detecting its surface crack, has realized utilizing the infrared ray all-round effect that detects to the inflating valve surface.

In order to solve the technical problem, the utility model provides an air tightness testing mechanism for an automobile inflating valve, which comprises an installation base, a detection mechanism and an adjusting mechanism, wherein an installation cavity is arranged inside the installation base;

the detection mechanism comprises a transmission chain, a gear, an electric telescopic rod, a rack, a stopper, two rotating shafts, two test boards, two chain wheels, two mounting frames, two sliding ports, two infrared scanners and two sliding rods, wherein the two rotating shafts are symmetrically and rotatably connected in the mounting cavity, the top end of each rotating shaft penetrates through the mounting base and extends to the outside of the mounting base, the two test boards are respectively and movably sleeved at the top ends of the two rotating shafts, the two chain wheels are respectively and fixedly sleeved on the two rotating shafts, the transmission chain is meshed and connected with the chain wheels, the gear is fixedly sleeved on one of the rotating shafts, the electric telescopic rod is fixedly connected to one side of the mounting base, the driving end of the electric telescopic rod penetrates through the mounting base and extends into the mounting cavity, and the rack is fixedly connected to the driving end of the electric telescopic rod, the rack is meshed with the gear, the two mounting frames are symmetrically and fixedly connected to the top of the mounting base, a cavity is arranged inside each mounting frame, the two sliding openings are respectively formed in one side, opposite to the two mounting frames, the two sliding rods are respectively and slidably connected into the two sliding openings, the two infrared scanners are respectively and fixedly connected to one ends, opposite to the two sliding rods, of the two sliding rods, the inflating valve main body is placed at the top of the test bench, the driving end of the electric telescopic rod is extended to drive the rack to move horizontally by opening the electric telescopic rod, the gear drives one of the rotating shafts and the test bench to rotate, the two rotating shafts drive the two test benches to rotate simultaneously by matching of the chain wheel and the transmission chain, then the two infrared scanners are matched, the outer surface of the inflating valve can be detected in an all-dimensional mode, and the problem that the cracks on the outer surface of the existing inflating valve detection mechanism cannot be detected mostly is solved, the problem of low detection effect is caused, and the effect of utilizing infrared rays to detect the outer surface of the inflating valve in an all-round mode is achieved.

Preferably, adjustment mechanism includes two screw lead screws, two nuts and two servo motor, two the screw lead screw rotates respectively to be connected in two mounting brackets, two the nut is threaded connection respectively on two screw lead screws, the one end fixed connection of infrared scanner is kept away from with the slide bar to one side of nut, two servo motor is fixed connection respectively at the top of two mounting brackets, servo motor's drive shaft is connected with the one end transmission of screw lead screw, through opening servo motor, makes screw lead screw rotatory for the nut drives the slide bar and vertically reciprocates along the direction of gag lever post, simultaneously, makes infrared scanner and then vertically reciprocate, can conveniently detect the inflating valve of volume difference, helps improving the quality that detects.

Preferably, a limiting rod is inserted in the nut, two ends of the limiting rod are fixedly connected in the cavity, the nut can be driven to move up and down, and the nut is prevented from rotating in place.

Preferably, the top of testboard is provided with the antiskid ribbed tile, the surface of antiskid ribbed tile is provided with anti-skidding line, can increase the frictional force of inflating valve main part, helps solving the testboard in the problem that the skew takes place for inflating valve main part at the pivoted in-process.

Preferably, the bottom of testboard is seted up threaded hole, the surface of axis of rotation is seted up threadedly, the top threaded connection of axis of rotation is in threaded hole, and the rotating testboard makes the testboard screw down from the axis of rotation top, conveniently changes the testboard and maintains the testboard.

Preferably, the front side of the mounting base is provided with an observation window, and observation glass is arranged in the observation window, so that a worker can conveniently monitor the devices in the mounting base in real time.

Preferably, the observation glass is tempered glass, and the tempered glass has high hardness, so that the service life of the observation glass is prolonged.

Preferably, the equal fixedly connected with supporting leg in bottom four corners of mounting base helps improving stability.

Preferably, the front side fixedly connected with control panel of mounting base, the equal electric connection of control panel and servo motor and electric telescopic handle makes things convenient for the user to control servo motor and electric telescopic handle.

Preferably, a stopper is fixedly connected in the mounting base, the stopper is matched and abutted against one side of the rack, the stopper is arranged to limit the moving distance of the rack, and when one side of the rack abuts against the stopper, the test board just rotates for a circle.

Compared with the prior art, the utility model provides a pair of an airtightness testing mechanism for automobile inflating valve has following beneficial effect:

1. the utility model discloses in, through opening electric telescopic handle, the drive end extension that makes electric telescopic handle drives rack horizontal migration, make the gear drive one of them axis of rotation and testboard rotation, cooperation through sprocket and driving chain, make two axis of rotation drive two testboards and rotate simultaneously, then cooperate two infrared scanners, can all-round surface that detects the inflating valve, current inflating valve detection mechanism has been solved and has been detected its surface crack because of most unable, lead to the problem that detection effect is low, the effect of utilizing the infrared ray all-round to detect the inflating valve surface has been realized.

2. The utility model discloses in, through opening servo motor, make the screw lead screw rotatory, make the nut drive the slide bar along the vertical reciprocating of the direction of gag lever post, and simultaneously, make infrared scanner and then vertically reciprocate, can conveniently detect the inflating valve of volume difference, help improving the quality that detects, keep off the piece through setting up, can carry on spacingly to the displacement of rack, when one side of rack with keep off the piece when offsetting, the round is just rotated to the testboard this moment, the rotating testboard makes the testboard follow the axis of rotation top and unscrews, conveniently change the testboard and maintain the testboard.

Drawings

FIG. 1 is a schematic structural view of the exterior of an air tightness testing mechanism for an automobile air valve;

FIG. 2 is a schematic view showing the internal structure of a mounting base of an air tightness testing mechanism for an automobile air valve;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is an internal structural view of an air tightness testing mechanism mounting frame for an automobile valve.

Reference numbers in the figures: 1. mounting a base; 2. a rotating shaft; 3. a test bench; 4. a sprocket; 5. a drive chain; 6. a gear; 7. an electric telescopic rod; 8. a rack; 9. a stopper; 10. a mounting frame; 11. a sliding port; 12. an infrared scanner; 13. a threaded lead screw; 14. a nut; 15. a slide bar; 16. a servo motor; 17. and (5) supporting legs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 4, a gas tightness testing mechanism for an automobile valve comprises a mounting base 1, a detection mechanism and an adjusting mechanism, wherein a mounting cavity is arranged inside the mounting base 1;

the detection mechanism comprises a transmission chain 5, a gear 6, an electric telescopic rod 7, a rack 8, a stopper 9, two rotating shafts 2, two test platforms 3, two chain wheels 4, two mounting frames 10, two sliding ports 11, two infrared scanners 12 and two sliding rods 15, wherein the two rotating shafts 2 are symmetrically and rotatably connected in a mounting cavity, the top ends of the rotating shafts 2 penetrate through the mounting base 1 and extend to the outside of the mounting base 1, the two test platforms 3 are respectively and movably sleeved at the top ends of the two rotating shafts 2, the two chain wheels 4 are respectively and fixedly sleeved on the two rotating shafts 2, the transmission chain 5 is meshed and connected on the chain wheels 4, the gear 6 is fixedly sleeved on one rotating shaft 2, the electric telescopic rod 7 is fixedly connected to one side of the mounting base 1, the driving end of the electric telescopic rod 7 penetrates through the mounting base 1 and extends into the mounting cavity, and the rack 8 is fixedly connected to the driving end of the electric telescopic rod 7, the rack 8 is meshed with the gear 6, the two mounting frames 10 are symmetrically and fixedly connected to the top of the mounting base 1, a cavity is arranged inside each mounting frame 10, the two sliding openings 11 are respectively arranged on one side of each mounting frame 10, the two sliding rods 15 are respectively and slidably connected into the two sliding openings 11, the two infrared scanners 12 are respectively and fixedly connected to one ends of the two sliding rods 15, which are opposite to each other, the valve body is arranged on the top of the test bench 3, the electric telescopic rod 7 is opened, the driving end of the electric telescopic rod 7 is extended to drive the rack 8 to horizontally move, the gear 6 drives one of the rotating shafts 2 and the test bench 3 to rotate, the two rotating shafts 2 drive the two test benches 3 to simultaneously rotate through the matching of the chain wheel 4 and the transmission chain 5, then the outer surface of the valve can be detected in an omnibearing manner by matching the two infrared scanners 12, and the problem that the outer surface cracks of the existing valve detection mechanism can not be detected mostly is solved, the problem of low detection effect is caused, and the effect of utilizing infrared rays to detect the outer surface of the inflating valve in an all-round mode is achieved.

In this embodiment: the electric telescopic rod 7 adopts a TNT01 model push rod.

Embodiment two, on the basis of embodiment one, adjustment mechanism includes two screw lead screws 13, two nuts 14 and two servo motors 16, two screw lead screws 13 rotate respectively and connect in two mounting brackets 10, two nuts 14 are threaded connection respectively on two screw lead screws 13, the one end fixed connection that infrared scanner 12 was kept away from to one side of nut 14 and slide bar 15, two servo motors 16 are fixed connection respectively at the top of two mounting brackets 10, servo motor 16's drive shaft and screw lead screw 13's one end transmission are connected, through opening servo motor 16, make screw lead screw 13 rotatory, make nut 14 drive slide bar 15 vertically reciprocate along the direction of gag lever post, and simultaneously, make infrared scanner 12 follow vertical reciprocating, can conveniently detect the inflating valve of the difference of volume, help improving the quality that detects.

In this embodiment: the servo motor 16 is a model Y112M-2 motor.

In the third embodiment, on the basis of the second embodiment, a limiting rod is inserted into the nut 14, and both ends of the limiting rod are fixedly connected in the cavity, so that the nut 14 can be driven to move up and down, and the nut 14 is prevented from rotating in place.

Fourth, on the basis of embodiment one, the top of testboard 3 is provided with the antiskid ribbed tile, and the surface of antiskid ribbed tile is provided with anti-skidding line, can increase the frictional force of inflating valve main part, helps solving testboard 3 and takes place the problem of skew at the pivoted in-process inflating valve main part.

Fifth embodiment, on the basis of first embodiment, the threaded hole is seted up to the bottom of testboard 3, and the screw thread is seted up to the surface of axis of rotation 2, and the top threaded connection of axis of rotation 2 is in the threaded hole, and rotating testboard 3 makes testboard 3 revolve from 2 tops of axis of rotation, conveniently changes testboard 3 and maintains testboard 3.

Sixth, on the basis of first embodiment, the front side of mounting base 1 is provided with the observation window, is provided with observation glass in the observation window, makes things convenient for the staff to carry out real-time supervision to the device in the mounting base 1.

In the seventh embodiment, on the basis of the sixth embodiment, the observation glass is tempered glass, and the tempered glass has high hardness, so that the service life of the observation glass is prolonged.

Eighth embodiment, on the basis of first embodiment, the equal fixedly connected with supporting leg 17 in bottom four corners of mounting base 1 helps improving stability.

Ninth, on the basis of second embodiment, the front side fixedly connected with control panel of mounting base 1, control panel and servo motor 16 and the equal electric connection of electric telescopic handle 7 make things convenient for the user to control servo motor 16 and electric telescopic handle 7.

In the tenth embodiment, on the basis of the first embodiment, the stopper 9 is fixedly connected in the mounting base 1, the stopper 9 is matched and abutted against one side of the rack 8, the stopper 9 is arranged to limit the moving distance of the rack 8, and when one side of the rack 8 abuts against the stopper 9, the test board 3 rotates exactly one turn.

The working principle is as follows:

when the outer surface of the valve main body needs to be detected in all directions:

the first step is as follows: firstly, respectively placing two inflating valve main bodies at the tops of two test tables 3;

the second step is that: then, the driving end of the electric telescopic rod 7 is extended to drive the rack 8 to move horizontally by opening the electric telescopic rod 7, so that the gear 6 drives one of the rotating shafts 2 and the test benches 3 to rotate, and the two rotating shafts 2 drive the two test benches 3 to rotate simultaneously through the matching of the chain wheel 4 and the transmission chain 5;

the third step: and finally, matching with two infrared scanners 12, the outer surface of the inflating valve can be detected in all directions.

When the height of the infrared scanner 12 needs to be adjusted:

the servo motor 16 is started firstly, the threaded lead screw 13 is rotated, the nut 14 drives the sliding rod 15 to vertically move up and down along the direction of the limiting rod, and meanwhile, the infrared scanner 12 vertically moves up and down along with the vertical movement, so that inflating valves with different sizes can be conveniently detected.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. The utility model provides an air tightness test mechanism for car inflating valve which characterized in that includes: the device comprises a mounting base (1), a detection mechanism and an adjusting mechanism, wherein a mounting cavity is arranged in the mounting base (1);

the detection mechanism comprises a transmission chain (5), a gear (6), an electric telescopic rod (7), a rack (8), a stopper (9), two rotating shafts (2), two test tables (3), two chain wheels (4), two mounting frames (10), two sliding ports (11), two infrared scanners (12) and two sliding rods (15), wherein the two rotating shafts (2) are symmetrically and rotatably connected in the mounting cavities, the top ends of the rotating shafts (2) penetrate through the mounting base (1) and extend to the outside of the mounting base (1), the two test tables (3) are respectively movably sleeved at the top ends of the two rotating shafts (2), the two chain wheels (4) are respectively and fixedly sleeved on the two rotating shafts (2), the transmission chain (5) is meshed and connected to the chain wheels (4), and the gear (6) is fixedly sleeved on one of the rotating shafts (2), electric telescopic handle (7) fixed connection is in one side of mounting base (1), the drive end of electric telescopic handle (7) runs through mounting base (1) and extends to the installation intracavity, rack (8) fixed connection is at the drive end of electric telescopic handle (7), rack (8) are connected with gear (6) meshing, and two mounting bracket (10) symmetry fixed connection are at the top of mounting base (1), the inside of mounting bracket (10) is provided with the cavity, two slide opening (11) are seted up respectively in two mounting bracket (10) relative one side, two slide bar (15) sliding connection respectively is in two slide opening (11), two infrared scanner (12) fixed connection respectively is in two slide bar (15) relative one end, the inflating valve main part has been placed at the top of testboard (3).

2. The airtightness testing mechanism for the automobile valve mouth according to claim 1, wherein the adjusting mechanism comprises two threaded screws (13), two nuts (14) and two servo motors (16), the two threaded screws (13) are respectively rotatably connected in the two mounting frames (10), the two nuts (14) are respectively in threaded connection with the two threaded screws (13), one side of each nut (14) is fixedly connected with one end of the sliding rod (15) far away from the infrared scanner (12), the two servo motors (16) are respectively and fixedly connected with the tops of the two mounting frames (10), and a driving shaft of each servo motor (16) is in transmission connection with one end of each threaded screw (13).

3. The airtightness testing mechanism for the automobile valve according to claim 2, wherein a limiting rod is inserted into the nut (14), and both ends of the limiting rod are fixedly connected in the cavity.

4. The airtightness testing mechanism for the automobile valve according to claim 1, wherein a skid-proof plate is arranged on the top of the testing table (3), and an antiskid line is arranged on the outer surface of the skid-proof plate.

5. The airtightness testing mechanism for the automobile valve according to claim 1, wherein a threaded hole is formed in the bottom of the testing table (3), a thread is formed on the outer surface of the rotating shaft (2), and the top end of the rotating shaft (2) is screwed in the threaded hole.

6. The airtightness testing mechanism for an automobile valve according to claim 1, wherein the front side of the mounting base (1) is provided with an observation window, and the observation window is provided with an observation glass.

7. The airtightness testing mechanism for the automobile valve according to claim 6, wherein the observation glass is a tempered glass.

8. The airtightness testing mechanism for the automobile valve according to claim 1, wherein four corners of the bottom of the mounting base (1) are fixedly connected with supporting legs (17).

9. The airtightness testing mechanism for the automobile valve according to claim 2, wherein a control board is fixedly connected to the front side of the mounting base (1), and the control board is electrically connected to the servo motor (16) and the electric telescopic rod (7).

10. The airtightness testing mechanism for the automobile valve according to claim 1, wherein a stopper (9) is fixedly connected in the mounting base (1), and the stopper (9) is in fit abutment with one side of the rack (8).