CN209979144U

CN209979144U - Auxiliary device for detecting air tightness of car lamp

Info

Publication number: CN209979144U
Application number: CN201920836810.9U
Authority: CN
Inventors: 吴志毅; 沈振辉; 陈叶红
Original assignee: Haining Needer Lighting Electrical Appliances Co Ltd
Current assignee: Haining Needer Lighting Electrical Appliances Co Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-01-21
Anticipated expiration: 2029-06-04

Abstract

The utility model discloses a car light gas tightness detects auxiliary device, including backup pad, clamp plate, the support that is used for fixed support board, with backup pad middle part threaded connection's two screw rods, with the bearing that is connected on the screw rod top, with screw rod bottom fixed connection's the motor that compresses tightly, the bearing top is fixed in the clamp plate bottom, the bottom of clamp plate is fixed with the cover body in two screw rod inboards, the joint that the bottom of the cover body corresponds has joint strip, the seal groove has been seted up to the backup pad corresponding joint strip, and the top of backup pad is covered internal fixation and has lower anchor clamps, be provided with mobilizable dead lever on the anchor clamps down, threaded connection has the fixed screw that is used for adjusting the clamping height on the dead lever, and the dead lever top is. The utility model discloses a car light gas tightness detects auxiliary device adapts to different types of lamps and lanterns, and not fragile lamps and lanterns during the centre gripping, when the centre gripping is stable, can guarantee the survey accuracy as far as.

Description

Auxiliary device for detecting air tightness of car lamp

Technical Field

The utility model relates to a car light processing technology field especially relates to a car light gas tightness detects auxiliary device.

Background

When making the car light, have strict requirement to the sealing performance of car light, because the car light that sealing performance is poor can get into steam, dust etc. in the use, not only influence the pleasing to the eye of car light, still can cause adverse effect to car light performance, life-span etc. if leak, the car light of high fever meets water and probably directly explodes, consequently, every car light all must carry out the gas tightness and detect after the production assembly is accomplished.

The air tightness leak detector is generally used in the industry to carry out positive pressure detection on the automobile lamp, namely the automobile lamp is sealed by adopting a clamp, an air source and the air tightness leak detector are connected, a certain standard value and a certain beat are set, gas with a certain pressure is filled into the clamp, and whether the automobile lamp is qualified or not is judged by detecting the leak rate.

Conventional car light detects the completion back on automatic assembly line, often still needs the selective examination, detects the car light promptly at random, but current anchor clamps often only can carry out the centre gripping to the lamps and lanterns of specific shape, and can cause the extrusion to the car light when sealed, and probably tiny gap can be because the extrusion force and seal, causes the testing result inaccurate.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the utility model is to provide a car light gas tightness detects auxiliary device adapts to different kinds of lamps and lanterns, and not fragile lamps and lanterns during the centre gripping, when the centre gripping is stable, can guarantee the survey accuracy as far as.

The technical scheme of the utility model as follows:

the utility model provides a car light gas tightness detects auxiliary device, includes backup pad, clamp plate, the support that is used for fixed support board, with two screw rods of backup pad middle part threaded connection, with the bearing of being connected on screw rod top, with screw rod bottom fixed connection's the motor that compresses tightly, the bearing top is fixed in the clamp plate bottom, the bottom of clamp plate is fixed with the cover body in two screw rod inboards, the joint that the bottom of the cover body corresponds has joint strip, the seal groove has been seted up to the joint strip that the backup pad corresponds, and the top of backup pad is provided with down anchor clamps in the internal fixation of cover, be provided with mobilizable dead lever down on the anchor clamps, threaded connection has the fixed screw that is used for adjusting the clamping height on the dead.

Preferably, guide rods are fixed at two ends of the pressure plate, and the guide rods penetrate through the support plate downwards to play a role in guiding and positioning.

Preferably, the top of the sealing rubber strip is provided with a clamping groove, and the sealing rubber strip can be correspondingly clamped on the cover body

Preferably, four adjusting grooves are formed in the lower clamp, four fixing rods are correspondingly inserted into the four adjusting grooves, and the outer diameters of the fixing rods are matched with the widths of the adjusting grooves.

Preferably, the middle part of the lower clamp is provided with a first placing groove.

Preferably, the upper clamp is provided with a plurality of positioning holes corresponding to the adjusting grooves, the positioning holes do not penetrate through the upper clamp,

preferably, a second placing groove is formed in the middle of the upper clamp.

Preferably, the top of the upper clamp is provided with a buffer plate, the top of the buffer plate is provided with a buffer device, and the buffer device is fixed at the top of the inner cavity of the cover body.

Preferably, the buffer device comprises a sliding cylinder, a buffer spring fixed in the sliding cylinder through a spring seat, and a pressure lever connected with the buffer spring.

The utility model has the advantages that: through the matching of the supporting plate and the pressing plate, the pressing motor drives the screw to adjust the supporting plate, so that sealing is realized; the sealing rubber strip is clamped and arranged, so that the replacement is convenient; the upper clamp and the lower clamp are provided with the corresponding positioning holes and the corresponding adjusting grooves, so that the fixed rod can be translated, lamps with different widths can be clamped, the extending heights of the fixed rod can be adjusted through the fixing screws, and the lamps with different heights can be clamped; the buffer device can reduce the extrusion deformation effect on the lamp during sealing, and can better transit while ensuring the clamping stability.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a vehicle lamp air tightness detection auxiliary device provided by the present invention;

FIG. 2 is a left side view of the mask of FIG. 1 without the inner part;

FIG. 3 is a schematic view of the cover engaged with the support plate;

FIG. 4 is a schematic structural view of a lower clamp;

FIG. 5 is a schematic structural view of an upper clamp;

fig. 6 is a schematic structural view of the buffering device.

In the figure: 1-a support plate; 2-pressing a plate; 3-a cover body; 31-sealing rubber strips; 4-a bearing; 5-a screw; 6-a compaction motor; 7-lower clamp; 71-an adjustment groove; 72-first placement tank; 8-fixing the rod; 9-fixing screws; 10-mounting a clamp; 101-a positioning hole; 102-a second placement tank; 11-a buffer plate; 12-a buffer device; 121-a sliding cylinder; 122-a buffer spring; 123-a pressure bar; 13-guide bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 and 2, an auxiliary device for detecting the air tightness of a car lamp comprises a supporting plate 1, a pressing plate 2, a bracket (not shown in the application, conventional technology) for fixing the supporting plate 1, two screw rods 5 in threaded connection with the middle of the supporting plate 1, a bearing 4 (the bearing 4 is a ball bearing) connected (rotatably connected) with the top ends of the screw rods 5, and a pressing motor 6 fixedly connected with the bottom ends of the screw rods 5 through a coupler, wherein the pressing motor 6 is a conventional motor, can select types according to actual needs, and can drive the screw rods 5 to rotate when the pressing motor 6 works and drive the supporting plate 1 to move up and down to realize sealing;

the top of the bearing 4 is fixed at the bottom of the pressure plate 2, the bottom of the pressure plate 2 is fixed with a cover body 3 at the inner sides of the two screw rods 5, and the cover body 3 is a hard transparent plastic plate which can be rectangular or cylindrical; as shown in fig. 3, a sealing rubber strip 31 is correspondingly clamped at the bottom of the cover body 3 (a clamping groove is formed at the top of the sealing rubber strip 31, and the sealing rubber strip 31 can be correspondingly clamped on the cover body 3), and the supporting plate 1 is provided with a sealing groove corresponding to the sealing rubber strip 31, so that the sealing rubber strip 31 is clamped in the sealing groove during press sealing to realize sealing; the top of the supporting plate 1 is fixed with a lower clamp 7 in the cover body 3, a movable fixing rod 8 is arranged on the lower clamp 7 and used for clamping lamps of different sizes, a fixing screw 9 used for adjusting the clamping height is connected to the fixing rod 8 in a threaded mode, and an upper clamp 10 movably connected with the fixing rod 8 is arranged at the top of the fixing rod 8.

In order to ensure the stability when the pressure plate 2 is pressed down, as shown in fig. 2, guide rods 13 are fixed (welded) at two ends of the pressure plate 2, and the guide rods 13 penetrate through the support plate 1 downwards to play a role in guiding and positioning.

Referring to fig. 4, the lower fixture 7 is provided with four adjusting grooves 71, four fixing rods 8 are correspondingly inserted into the four adjusting grooves 71, the outer diameter of each fixing rod 8 is matched with the width of each adjusting groove 71, so that clamping is more stable while a certain pretightening force is provided, and the middle of the lower fixture 7 is provided with a first placing groove 72 for placing a lamp. When the height of the fixing rod 8 needs to be adjusted, the depth of the fixing rod 8 inserted into the adjusting groove 71 can be adjusted by adjusting the fixing screw 9, so that the extending height of the fixing rod 8 is adjusted to achieve the adaptation of lamps with different heights.

Referring to fig. 5, a plurality of positioning holes 101 are formed in the upper fixture 10 corresponding to the adjusting grooves 71, the positioning holes 101 do not penetrate through the upper fixture 10, so that the fixing rod 8 can penetrate into the positioning holes 101, and a second placing groove 102 is formed in the middle of the upper fixture 10. When sealing is needed, the fixing rod 8 is adjusted to transversely abut against the periphery of the lamp through translation, meanwhile, the fixing rod 8 correspondingly penetrates into the positioning hole 101, the supporting plate 1 moves upwards during sealing, the top of the cover body 3 is just contacted with the top of the upper clamp 10, certain extrusion force can be given to the upper clamp 10, and clamping is achieved.

In order to reduce the rigid extrusion of the cover 3 to the lamp, referring to fig. 1 and 6, a buffer plate 11 is arranged at the top of the upper clamp 10, a buffer device 12 is arranged at the top of the buffer plate 11, and the buffer device 12 is fixed at the top of the inner cavity of the cover 3. The buffer device 12 comprises a sliding cylinder 121, a buffer spring 122 fixed in the sliding cylinder 121 through a spring seat and a pressure lever 123 connected with the buffer spring 122, after the fixing rod 8 is adjusted, when the fixing rod is sealed, the top of the fixing rod is provided with pressure given by the cover body 3 through the buffer plate 11, and due to the buffer spring 122 of the buffer device 12, when the fixing rod is clamped, certain allowance and deformation are provided, and the lamp is not easy to damage.

In this application, the structure and the connection relation that are not described in detail are the prior art, and of course, in this application, the cover body 3 is provided with an air tap (not shown in this application) for connecting the air supply source and the air-tightness leak detector, and the structure and the principle thereof are known in the art and are not described herein again.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a car light gas tightness detects auxiliary device which characterized in that: including backup pad, clamp plate, the support that is used for fixed support plate, with two screw rods of backup pad middle part threaded connection, with the bearing that the screw rod top is connected, with screw rod bottom fixed connection's the motor that compresses tightly, the bearing top is fixed in the clamp plate bottom, the bottom of clamp plate is fixed with the cover body in two screw rod inboards, the joint that the bottom of the cover body corresponds has joint strip, the seal groove has been seted up to the joint strip that the backup pad corresponds, and the top of backup pad is provided with anchor clamps down in the internal fixation of cover, be provided with mobilizable dead lever down on the anchor clamps, threaded connection has the fixed screw that is used for adjusting the centre gripping height on the dead lever, and the.

2. The auxiliary device for detecting the airtightness of a vehicle lamp according to claim 1, wherein: guide rods are fixed at two ends of the pressing plate and penetrate through the supporting plate downwards to play a role in guiding and positioning.

3. The auxiliary device for detecting the airtightness of a vehicle lamp according to claim 1, wherein: the joint groove is formed in the top of the sealing rubber strip, and the corresponding sealing rubber strip can be clamped on the cover body.

4. The auxiliary device for detecting the airtightness of a vehicle lamp according to claim 1, wherein: four adjusting grooves are formed in the lower clamp, four fixing rods are correspondingly inserted into the four adjusting grooves, and the outer diameters of the fixing rods are matched with the widths of the adjusting grooves.

5. The auxiliary device for detecting the airtightness of a vehicle lamp according to claim 4, wherein: the middle part of the lower clamp is provided with a first placing groove.

6. The auxiliary device for detecting the airtightness of a vehicle lamp according to claim 4, wherein: and a plurality of positioning holes are formed in the upper clamp corresponding to the adjusting grooves, and do not penetrate through the upper clamp.

7. The auxiliary device for detecting the airtightness of a vehicle lamp according to claim 6, wherein: and a second placing groove is formed in the middle of the upper clamp.

8. The auxiliary device for detecting the airtightness of a vehicle lamp according to claim 1, wherein: the top of going up anchor clamps is provided with the buffer board, and the buffer board top is provided with buffer, and buffer fixes at cover body inner chamber top.

9. The auxiliary device for detecting the airtightness of a vehicle lamp according to claim 8, wherein: the buffer device comprises a sliding cylinder, a buffer spring fixed in the sliding cylinder through a spring seat and a pressure lever connected with the buffer spring.