CN215971341U

CN215971341U - Buckle type fixed vehicle-mounted charging device

Info

Publication number: CN215971341U
Application number: CN202121530948.XU
Authority: CN
Inventors: 庞岩锋; 张淑亭; 陈宁池; 王健; 鲍秉德
Original assignee: Zhejiang Fute Technology Co ltd
Current assignee: Zhejiang Fute Technology Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-03-08
Anticipated expiration: 2031-07-06

Abstract

The utility model relates to a vehicle-mounted charging device fixed in a clamping and buckling mode. The problem of current on-vehicle charging device screw fixed knot construct the equipment and take time and increase the cost, occupation space, screw lock power of attaching is not enough, whole gas tightness is bad is solved. The device comprises a heat dissipation base and a cover plate, wherein a sealing ring is arranged on the edge of the heat dissipation base, the cover plate presses the sealing ring to cover the heat dissipation base, a plurality of buckles are arranged on the edge of the cover plate, a plurality of corresponding clamping hooks are arranged on the outer wall of the heat dissipation base, and the cover plate and the heat dissipation base are fixed together through the buckling buckles. The utility model fastens and fixes the radiating base and the cover plate, is convenient and quick to operate, and improves the assembly efficiency and the fastening reliability of the radiating base and the cover plate of the machine. The disassembly is easier, and the maintenance and the component replacement at the later stage are convenient. Need not to carry out the drilling to the heat dissipation base, effectively improved the whole gas tightness of device.

Description

Buckle type fixed vehicle-mounted charging device

Technical Field

The utility model relates to the technical field of charging equipment, in particular to a buckle type fixed vehicle-mounted charging device.

Background

At present on-vehicle charging device is including heat dissipation base and apron, and the screw fastening is adopted more in connection between heat dissipation base and the apron, closely arranges, but this kind of mode has following shortcoming:

1. assembly is time consuming and also increases cost;

2. a screw mounting flange needs to be reserved, and the space of a charger is occupied;

3. the base is mostly the die casting, and the die casting is inside can not avoid having the gas pocket, and need be the screw drilling on the base, meets the lock that the gas pocket can make the screw during drilling and attaches the power not enough, and can lead to whole gas tightness also not good.

Disclosure of Invention

The utility model mainly solves the problems of time and cost increase, space occupation, insufficient screw locking force and poor integral air tightness of the conventional screw fixing structure of the vehicle-mounted charging device, and provides the vehicle-mounted charging device fixed by a buckle.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a fixed on-vehicle charging device of buckle formula, includes heat dissipation base and apron be provided with the sealing washer on the heat dissipation base border, the apron is pressing the sealing washer lid and is put on heat dissipation base, is provided with a plurality of buckles on the apron border, is provided with a plurality of trips that correspond on heat dissipation base outer wall, and the buckle lock is fixed apron and heat dissipation base mutually on the trip. The utility model adopts a buckle type screw-free fixing structure to fasten and fix the heat dissipation base and the cover plate, the operation is convenient and rapid, the assembly efficiency and the fastening reliability of the machine heat dissipation base and the cover plate are improved, and the buckle structure is easier to disassemble and is convenient for later maintenance and part replacement. The sealing ring is arranged between the cover plate and the heat dissipation base, the cover plate is covered on the heat dissipation base through the pressing sealing ring, the heat dissipation base does not need to be drilled, and the overall air tightness of the device is effectively improved.

As an optimal scheme of above-mentioned scheme, the buckle includes first bullet arm and the second bullet arm of body coupling, and first bullet arm is connected at the apron border, the second plays the arm and connects first bullet arm front end and downwardly extending, has seted up the knot hole on the second bullet arm, detains the hole lock on the trip. The buckle plays the L type structure that the arm is connected to constitute by first bullet arm and second in this scheme, and first bullet arm is the level setting, and one end is connected with the apron border, and first bullet arm can warp in vertical direction, and the second plays the arm and then can warp in the horizontal direction. The second elastic arm is provided with a hole to form a buckling hole for buckling on the hook.

As a preferred scheme of above-mentioned scheme, the trip includes the terminal surface and connects the last side and the downside of downside on the terminal surface, goes up the side and is slope form and heat dissipation base lateral wall transitional coupling, and the downside is the level form and links to each other with heat dissipation base lateral wall is perpendicular. This scheme well trip forms the eave form, goes up the side slope and connects between heat dissipation base lateral wall and terminal surface, and the buckle is at the convenient in-process of lock outwards flick along last side, and the downside is that the horizontal plane is perpendicular to be connected with heat dissipation base lateral wall, and the buckle detains the hole after sliding the terminal surface and detains on the trip, detains under the hole border and detains on the side under.

As a preferable scheme of the above scheme, the lower edge end surface of the fastening hole is an arc surface protruding outwards. The circular arc face is set to along the terminal surface to the arc surface under detaining the hole in this scheme promptly the terminal surface sets to the fillet for detain under the hole border can be better slide in trip downside, also can reduce the inside stress concentration of buckle simultaneously, increase life.

As a preferable mode of the above aspect, a fixture block is provided along an edge inside the front end of the second elastic arm, the section of the fixture block is triangular, and a surface of the fixture block is inclined from the front end of the second elastic arm toward the heat dissipation base. In the scheme, the clamping block with the triangular section is arranged on the inner side of the front end of the second elastic arm, the clamping block is gradually thickened upwards from the front end of the second elastic arm, and the clamping block forms an inclined plane with the front end inclined towards the side of the heat dissipation base. The fixture block can play the guide effect when the buckle carries out the lock, the smooth lock of buckle of being convenient for, and after the buckle lock was on the trip, the fixture block top was on the heat dissipation base side, because this fixture block surface is the slope form, formed one and can supply finger male space between second bullet arm front end and heat dissipation base, the operator of being convenient for outwards pulls the buckle, dismantles the apron.

In a preferred embodiment of the above aspect, a pulling portion is formed at a front end of the second elastic arm to tilt outward. In this scheme, the portion is pulled in the outer perk formation of second bullet arm front end, and the fixture block can play the guide effect when the buckle carries out the lock, the smooth lock of the buckle of being convenient for, pull the portion also person of facilitating the use in addition and pull the buckle when dismantling the apron.

As a preferable scheme of the scheme, elastic grooves are respectively formed in two sides of the joint of the buckle and the cover plate. This scheme is slotted in buckle and apron connection's root both sides, has increased buckle deformability.

As a preferable scheme of the above scheme, a circle of concave edge is formed on the inner side of the end face of the edge of the heat dissipation base, and the sealing ring is embedded in the concave edge. This scheme is offered concave edge at border terminal surface inboard, and the sealing washer embedding forms sealedly between apron and concave edge lateral wall after the apron lock in concave edge for the device gas tightness is better.

As a preferable scheme of the above scheme, a circle of groove is arranged on the end face of the edge of the heat dissipation base, the sealing ring is embedded in the groove, and the upper part of the sealing ring protrudes out of the groove. In this scheme in the terminal surface at border in the middle of be provided with the recess, the sealing washer embedding is in the recess, and sealing washer upper portion has partly outstanding outside the recess, can extrude the sealing washer like this when the apron lock for the leakproofness is better.

The utility model has the advantages that:

1. adopt buckle formula screwless fixed knot to construct, it is fixed to carry out the lock with heat dissipation base and apron, and convenient operation is swift, has improved the packaging efficiency and the fastening reliability of machine heat dissipation base and apron spare.

2. The buckle structure is more easily disassembled, and the parts are conveniently maintained and replaced in the later period.

3. The sealing ring is arranged between the cover plate and the heat dissipation base, the cover plate is covered on the heat dissipation base through the pressing sealing ring, the heat dissipation base does not need to be drilled, and the overall air tightness of the device is effectively improved.

Drawings

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

FIG. 2 is a schematic view of a structure of the snap hook of the present invention;

FIG. 3 is a schematic cross-sectional view of a fastening portion of the present invention;

FIG. 4 is a schematic cross-sectional view of a fastening portion of the present invention;

FIG. 5 is a schematic cross-sectional view of a third embodiment of the snap-fit joint of the present invention;

FIG. 6 is a schematic cross-sectional view of a fourth fastening portion of the present invention.

1-cover plate 2-heat dissipation base 3-sealing ring 4-PCB board component 5-buckle 6-trip 101-first elastic arm 102-second elastic arm 103-lower edge 104-buckle hole 105-clamping block 106-pulling part 107-elastic groove 201-upper side 202-lower side 203-end surface 204-concave edge 205-concave groove.

Detailed Description

The technical solution of the present invention is further described below by way of examples with reference to the accompanying drawings.

Example (b):

the utility model provides a fixed on-vehicle charging device of buckle formula, as shown in figure 1, including heat dissipation base 2 and apron 1, be provided with sealing washer 3 on heat dissipation base border, the apron is pressing the sealing washer lid and is putting on heat dissipation base, is provided with a plurality of buckles 5 on the apron border, is provided with a plurality of trips 6 that correspond on heat dissipation base outer wall, and the buckle lock is fixed apron and heat dissipation base mutually on the trip. In this embodiment, the combination of the buckle and the hook is provided with six pairs, and three pairs are respectively uniformly arranged on the long edges of the heat dissipation base and the cover plate at intervals, so that the connection is more firm, and a pair of the short edges of the heat dissipation base and the cover plate can be also provided.

As shown in fig. 2, the buckle 5 includes a first elastic arm 101 and a second elastic arm 102 which are integrally connected, the first elastic arm is connected to the edge of the cover plate 1, in order to increase the buckle deformation performance, the two sides of the root of the first elastic arm are respectively provided with an elastic groove 107 on the edge of the cover plate, the second elastic arm is connected to the front end of the first elastic arm and extends downwards, the second elastic arm is provided with a buckling hole 104, the end surface of the lower edge 103 of the buckling hole is a convex arc surface, and the buckling hole is buckled on the hook 6.

As shown in fig. 3, the hook 6 includes an end surface 203, and an upper side 201 and a lower side 202 connected to the upper and lower sides of the end surface, the upper side is inclined and is in transition connection with the side wall of the heat dissipation base, and the lower side is horizontal and is vertically connected with the side wall of the heat dissipation base. The clamping hook forms an eave shape, the clamping hook slides through the end face, the buckling hole is buckled on the clamping hook, and the lower edge of the buckling hole is firmly buckled on the lower side face.

As shown in fig. 5, in order to facilitate detachment of the clip, a clip 105 is provided along an edge inside the front end of the second elastic arm 102, the clip has a triangular cross section, and a surface of the clip is inclined from the front end of the second elastic arm toward the heat dissipation base. The fixture block can play the guide effect when the buckle carries out the lock, the smooth lock of buckle of being convenient for, and after the buckle lock was on the trip, the fixture block top was on the heat dissipation base side, because this fixture block surface is the slope form, formed one and can supply finger male space between second bullet arm front end and heat dissipation base, the operator of being convenient for outwards pulls the buckle, dismantles the apron.

In this embodiment, the clip can be conveniently detached by using a second structure, as shown in fig. 6, the front end of the second elastic arm is tilted outward to form a pulling portion 106. The clamping block can play a role in guiding when the buckle is buckled by the pulling part, so that the buckle can be buckled smoothly, and the pulling part is convenient for a user to pull the buckle when the cover plate is detached.

As shown in fig. 3, a circle of concave edge 204 is formed on the inner side of the edge end surface of the heat dissipation base 2, and the sealing ring 3 is embedded in the concave edge. After the cover plate is buckled, sealing is formed between the cover plate and the side wall of the concave edge, so that the air tightness of the device is better.

As shown in fig. 4, a second structure of the sealing ring is provided, a ring of groove 205 is provided on the end surface of the edge of the heat dissipation base, the sealing ring 3 is embedded in the groove, and the upper portion of the sealing ring protrudes out of the groove. Can extrude the sealing washer when the apron lock for the leakproofness is better.

The installation process of the embodiment is as follows: the cover plate is placed on the heat dissipation base in advance, the cover plate is pressed by the tool, a pressing head of the tool is pressed on a first elastic arm of the cover plate, the cover plate moves downwards, a second elastic arm stretches outwards along an inclined plane of the side face on a clamping hook on the heat dissipation base in the pressing process until the edge end face of the heat dissipation base is contacted with the cover plate, the pressing head is pressed mechanically, the cover plate does not move downwards wholly, the first elastic arm of the cover plate is bent and deformed, the edge end face of the cover plate under a clamping buckle buckling hole exceeds the lower side face of the clamping hook, the second elastic arm rebounds to be in a non-deformation state, a tool pressing head withdraws, the first elastic arm of the cover plate loses pressure rebounds but is still in a deformation state, a pressure pressing sealing ring generated by changing the elastic deformation of the first elastic arm of the clamping buckle is used, and gapless locking between the cover plate and the heat dissipation base is achieved when no screw locking is attached.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the terms cover plate, heat sink base, gasket, PCB board assembly, snap fit, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a fixed on-vehicle charging device of buckle formula, includes heat dissipation base and apron, its characterized in that: the heat dissipation base is characterized in that a sealing ring (3) is arranged on the edge of the heat dissipation base (2), the cover plate presses the sealing ring to cover the heat dissipation base, a plurality of buckles (5) are arranged on the edge of the cover plate, a plurality of corresponding clamping hooks (6) are arranged on the outer wall of the heat dissipation base, and the cover plate and the heat dissipation base are fixed together through the clamping hooks.

2. The vehicle-mounted charging device with the snap-in type fixation function as claimed in claim 1, wherein the snap-in type fixation device comprises a first elastic arm (101) and a second elastic arm (102) which are integrally connected, the first elastic arm is connected to the edge of the cover plate (1), the second elastic arm is connected to the front end of the first elastic arm and extends downwards, a snap hole (104) is formed in the second elastic arm, and the snap hole is snapped on the snap hook (6).

3. The vehicle-mounted charging device with the snap-in type fixation as claimed in claim 2, wherein the snap-in hook (6) comprises an end face (203), and an upper side (201) and a lower side (202) connected to the upper and lower sides of the end face, the upper side is inclined to be in transition connection with the side wall of the heat dissipation base, and the lower side is horizontal to be vertically connected with the side wall of the heat dissipation base.

4. The vehicle-mounted charging device fixed by the buckle according to claim 2 or 3, wherein the end surface of the lower edge (103) of the buckle hole (104) is a convex arc surface.

5. The vehicle-mounted charging device with snap-in mounting according to claim 2, wherein a latch (105) is provided along an edge inside the front end of the second elastic arm (102), the latch has a triangular cross section, and a surface of the latch is inclined from the front end of the second elastic arm toward the heat dissipating base.

6. The vehicle-mounted charging device fixed by the snap-in type as claimed in claim 2, wherein a pulling portion (106) is formed at the front end of the second elastic arm (102) and is tilted outwards.

7. The vehicle-mounted charging device fixed by the buckle according to claim 1, 2 or 3, wherein the two sides of the joint of the buckle (5) and the cover plate (1) are respectively provided with an elastic groove (107).

8. The vehicle-mounted charging device fixed in a buckling manner as claimed in claim 1, 2 or 3, wherein a circle of concave edge (204) is formed on the inner side of the edge end face of the heat dissipation base (2), and the sealing ring is embedded in the concave edge.

9. A snap-on fixed vehicle charging apparatus as claimed in claim 1, 2 or 3, wherein a ring of groove (205) is formed on the end face of the edge of the heat dissipation base (2), the sealing ring is embedded in the groove, and the upper part of the sealing ring protrudes out of the groove.