CN210753566U

CN210753566U - Clamp for vacuumizing bottom shell of automobile charger

Info

Publication number: CN210753566U
Application number: CN201921036586.1U
Authority: CN
Inventors: 刘钧; 冯颖盈; 姚顺; 黄文添
Original assignee: Shanghai Weimeisi New Energy Co ltd
Current assignee: Shanghai Weimeisi New Energy Co ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-06-16
Anticipated expiration: 2029-07-04

Abstract

The utility model discloses an anchor clamps for evacuation of automobile charger drain pan, the drain pan is enclosure formula structure, and the bottom encapsulating, anchor clamps are including fixing plate body on the opening of drain pan upper end, this plate body and drain pan upper end opening end face contact side are equipped with the seal groove, are equipped with the sealing washer in it, the plate body middle part is equipped with the intercommunication the inside aspirating hole with the exhaust tube of drain pan, the plate body with the drain pan passes through locking device zonulae occludens. The utility model provides a fixture for automobile charger drain pan evacuation, simple structure, convenient operation, the cost is lower.

Description

Clamp for vacuumizing bottom shell of automobile charger

Technical Field

The utility model relates to a car wireless charging machine field, more specifically say, relate to an anchor clamps that is used for car to charge quick-witted drain pan evacuation.

Background

Among the prior art, car wireless charging machine's drain pan is generally enclosure type structure, and its bottom is equipped with the device that generates heat, and car wireless charging machine must solve holistic heat dissipation problem through the encapsulating in device bottom that generates heat, nevertheless produces the cavity in the colloid after leading to the encapsulating owing to the easy gassing of encapsulating in-process, influences product heat dispersion. Therefore, air bubbles in the glue must be removed by vacuum after the glue is poured.

The current common vacuum pumping mode is to put the whole product into a sealing device and then pump vacuum. The vacuumizing mode has the defects that the vacuumizing mode is limited by the space of equipment, and sealing equipment needs to be customized for a large-size product of the automobile wireless charger, particularly in the early development stage of the product, so that the production cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a vacuum pumping structure when providing a be used for car wireless charger encapsulating to the higher problem of evacuation process manufacturing cost when solving car wireless charger encapsulating.

In order to achieve the above purpose, the technical scheme of the utility model is that:

the utility model provides an anchor clamps for evacuation of automobile charger drain pan, the drain pan is enclosure formula structure, and the bottom encapsulating, anchor clamps are including fixing plate body on the opening of drain pan upper end, and this plate body and drain pan upper end opening end face contact side are equipped with the seal groove, are equipped with the sealing washer in it, the plate body middle part is equipped with the intercommunication the inside aspirating hole with the exhaust tube of drain pan, the plate body with the drain pan passes through locking device zonulae occludens.

The locking device is a fastening screw, a plurality of counter bores are formed in the plate body, a plurality of screw holes are formed in the upper end face of the bottom shell, and the fastening screw penetrates through the counter bores and is fixed in the screw holes in the upper end face of the bottom shell.

The locking device is a plurality of telescopic rods which are vertically arranged above the plate body and are controlled by cylinders to be in contact with the plate body.

The number of the telescopic rods is four, and the cylinders are respectively arranged on the periphery of the plate body.

The bottom of sealing washer is equipped with and stretches out two rings of archs on plate body bottom surface.

The edge of plate body bottom is equipped with the round flange, the height of flange is less than bellied height.

The flatness of the bottom end of the flange is less than or equal to 0.3.

The plate body is made of metal.

Be equipped with the trachea adapter on the aspirating hole, the one end of aspirating tube with the trachea adapter is connected, the trachea adapter with be equipped with sealed glue on the contact surface of aspirating hole.

The exhaust tube is made of metal, and sealant is arranged on the contact surface of the exhaust tube and the air pipe adapter.

The utility model has the advantages that:

the utility model provides a fixture for automobile charger evacuation, simple structure, convenient operation, the cost is lower.

Drawings

The following describes the present invention in further detail with reference to the accompanying drawings.

FIG. 1 is a schematic sectional view of the structure of example 1.

Fig. 2 is a partially enlarged schematic view a of fig. 1.

Fig. 3 is a schematic top view of the plate body of the present invention.

Fig. 4 is a schematic bottom view of the plate body of the present invention.

Fig. 5 is a schematic perspective view of embodiment 2.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention, and the technical effects obtained by the present invention easy to understand, the following detailed drawings are combined to further explain the embodiments of the present invention.

It should be noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

As shown in fig. 1-2, in embodiment 1 of the utility model, a fixture for evacuation of automobile charger drain pan is provided, including fixing plate body 1 on the opening of 4 upper ends of automobile charger drain pan, installing sealing washer 7 between opening end face and plate body 1, install on plate body 1 with the trachea adapter 2 of opening intercommunication, set up exhaust tube 3 that is connected with trachea adapter 2 in 1 outside one end of plate body and install a plurality of fastening screw 8 on plate body 1, plate body 1 is passed and is fixed on the terminal surface of 4 upper ends of drain pan to the bottom of fastening screw 8.

As shown in fig. 2, a countersunk hole 12 is formed at the edge of the plate body 1, a screw hole 41 is formed on the end surface of the upper opening of the bottom case 4, and the screw portion of the fastening screw 8 passes through the countersunk hole 12 and the lower portion thereof is screwed and fixed with the screw hole 41. The spacing between the fastening screws 8 is preferably 50-60 mm. The fastening screw 8 preferably uses M5 gauge.

As shown in fig. 1, specifically, the upper end of the bottom case 4 has an opening, and the rest is a closed enclosure structure, the bottom of the bottom case 4 is provided with a heating device 6, the potting compound 5 is fixed at the bottom of the heating device 6 and connected with the bottom end of the bottom case 4, and the heating device 6 conveniently dissipates heat through the bottom case 4.

The plate body 1 is plate-shaped, preferably adopts a square structure (refer to fig. 3 and 4), when the plate body 1 covers the opening at the upper end of the bottom shell 4, the plate body and the bottom shell form a closed box body together, the box body is sealed by a sealing ring 7 and locked and fixed by a fastening screw 8, and then the box body can be vacuumized by a vacuumizing device connected with the exhaust pipe 3, so that the inner space of the box body achieves a vacuum effect and has a certain vacuum degree, and the vacuum degree set value of the vacuumizing device is preferably-0.1 Mpa; vacuumizing time: 1 Min.

As shown in fig. 2, a sealing groove 13 is formed at the bottom end of the plate body 1 (the connecting side of the plate body 1 and the bottom case 4), and the sealing ring 7 is fixed on the sealing groove 13. The sealing ring 7 may seal the contact surface between the plate body 1 and the bottom shell 4. Further, the bottom end of the sealing ring 7 is provided with two rings of protrusions 71. The protrusion 71 protrudes from the bottom surface of the plate body 1, and the two circles of protrusions 71 have double sealing effects, so that the sealing effect of the sealing ring 7 can be enhanced. The sealing ring 7 is preferably made of solid silica gel, and the hardness range is as follows: 30-35 (Shore a), the height of the protrusions 71 is preferably 0.5mm and the width is preferably 1 mm.

As shown in fig. 2 and 4, a ring of flanges 11 is provided at the edge of the bottom end of the plate body 1, and the height of the flanges 11 is smaller than that of the protrusions 71. When plate body 1 and drain pan 4 compress tightly, flange 11 plays the effect of supporting plate body 1 and spacing, prevents that the bottom surface of plate body 1 from pressing on drain pan 4, prevents that sealing washer 7 from being pressed too dead, can increase sealing washer 7's life. The plate body 1 is preferably made of metal, and the flatness of the bottom end of the flange 11 is less than or equal to 0.3.

As shown in fig. 1, 3 and 4, the surface of the plate body 1 is provided with an air suction hole 14, and the air suction hole 14 communicates with the inside of the bottom shell 4 and the air suction pipe 3. The trachea adapter 2 is preferably made of metal.

As shown in fig. 1, the air pipe adapter 2 is installed on the air suction hole 14, a sealant is arranged on a contact surface between the air pipe adapter 2 and the air suction hole 14, the air suction pipe 3 is made of a metal material, and the sealant is arranged on the contact surface between the air suction pipe 3 and the air pipe adapter 2. The metal trachea adapter 2 and the exhaust tube 3 are not easy to deform, and the sealing effect is good after the sealing of the sealant, so that the air is not easy to leak.

As shown in fig. 5, in embodiment 2 of the utility model, another kind of anchor clamps for vehicle charging machine drain pan evacuation is provided, in this embodiment 2, adopt telescopic link 91 to lock fixedly between plate body 1 and the drain pan 4, specifically be the vertical setting of cylinder 9 in plate body 1 top, the bottom of telescopic link 91 of cylinder 9 is in plate body 1's top, when telescopic link 91 moves down, can compress tightly plate body 1 on drain pan 4, through the sealing of sealing washer 7 for plate body 1 and drain pan 4 form a sealed box. When the telescopic rod 91 is moved upward, the locking state between the board body 1 and the bottom case 4 can be released, and the board body 1 can be taken off from the bottom case 4. The cylinder 9 preferably adopts four, and four cylinders 9 set up respectively in the edge that corresponds plate body 1 upper surface, preferably set up in the top in the middle part of four limits of plate body 1, and telescopic link 91 can push up the intermediate position on four limits of plate body 1 respectively. In operation, bottom case 4 may be placed on frame 101. The other portions are substantially the same as those in embodiment 1, and therefore, a description thereof will not be repeated.

Owing to adopted and replaced fastening screw 8 fixed locking plate body 1 and drain pan 4 together with telescopic link 91 in embodiment 2, can make cylinder 9 drive telescopic link 91 reciprocate through control switch, easy operation, convenient to use, work efficiency can be higher.

The utility model provides a vacuum pumping structure when being used for car wireless charger encapsulating compares with the special evacuation equipment among the prior art, simple structure, convenient operation, the cost is lower.

The above embodiments and drawings are only for illustrating the technical solutions of the present invention and do not constitute a limitation to the present invention, it should be noted that a person skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for part or all of the technical features, and these modifications or substitutions should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides an anchor clamps that are used for automobile charger drain pan evacuation, the drain pan is enclosure formula structure, and the bottom encapsulating, its characterized in that: the clamp comprises a plate body fixed on an opening at the upper end of the bottom shell, a sealing groove is formed in the plate body and in end face contact with the opening at the upper end of the bottom shell, a sealing ring is arranged in the sealing groove, an air exhaust hole communicated with the interior of the bottom shell and an air exhaust pipe is formed in the middle of the plate body, and the plate body is tightly connected with the bottom shell through a locking device.

2. The clamp of claim 1, wherein: the locking device is a fastening screw, a plurality of counter bores are formed in the plate body, a plurality of screw holes are formed in the upper end face of the bottom shell, and the fastening screw penetrates through the counter bores and is fixed in the screw holes in the upper end face of the bottom shell.

3. The clamp of claim 1, wherein: the locking device is a plurality of telescopic rods which are vertically arranged above the plate body and are controlled by cylinders to be in contact with the plate body.

4. The clamp of claim 3, wherein: the number of the telescopic rods is four, and the cylinders are respectively arranged on the periphery of the plate body.

5. The clamp of claim 1, wherein: the bottom of sealing washer is equipped with and stretches out two rings of archs on plate body bottom surface.

6. The clamp of claim 5, wherein: the edge of plate body bottom is equipped with the round flange, the height of flange is less than bellied height.

7. The clamp of claim 6, wherein: the flatness of the bottom end of the flange is less than or equal to 0.3.

8. The clamp of claim 1, wherein: the plate body is made of metal.

9. The clamp of claim 1, wherein: be equipped with the trachea adapter on the aspirating hole, the one end of aspirating tube with the trachea adapter is connected, the trachea adapter with be equipped with sealed glue on the contact surface of aspirating hole.

10. The clamp of claim 1, wherein: the exhaust tube is made of metal, and sealant is arranged on the contact surface of the exhaust tube and the air pipe adapter.