CN215826499U

CN215826499U - Variable-frequency mute electric vehicle charger

Info

Publication number: CN215826499U
Application number: CN202122238669.2U
Authority: CN
Inventors: 王玉森; 王玉林
Original assignee: Tianchang Forest Electrical Technology Co ltd
Current assignee: Tianchang Forest Electrical Technology Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-02-15
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a variable-frequency mute electric vehicle charger which comprises a charger body, wherein four end pins below the charger body are respectively provided with a support frame, a spring A is arranged between the charger body and the support frames, two sides of the inner wall of the charger body are respectively provided with a filter screen, the upper end surface and the lower end surface of each filter screen are respectively provided with a fixing lug, one side of each filter screen is provided with a heat dissipation fan shell, the inner wall of each heat dissipation fan shell is provided with a heat dissipation fan, a transverse plate is arranged above the heat dissipation fan shell, two sides below the transverse plate are respectively provided with an inserting rod, the middle of each inserting rod is provided with a spring B, one side above each fixing lug is provided with an external threaded rod, the top end of each external threaded rod is sleeved with an internal threaded sleeve, a pressing plate is fixedly arranged above each internal threaded sleeve, and a rotating handle is fixedly arranged above each pressing plate. The utility model is convenient for personnel to replace and clean through the heat dissipation fan which can be quickly disassembled and replaced.

Description

Variable-frequency mute electric vehicle charger

Technical Field

The utility model relates to the technical field of electric vehicle chargers, in particular to a variable-frequency mute electric vehicle charger.

Background

With the rapid development of social economy, the battery-powered electric vehicle is a pure electric motor vehicle driven by a motor (direct current, alternating current, series excitation and independent excitation) and powered by a battery, and in recent years, the battery-powered electric vehicle is widely popularized in China.

However, the heat dissipation fan inside the existing electric vehicle charger is inconvenient to disassemble, clean and replace, and can accumulate dust and even damage for a long time; therefore, the existing requirements are not met, and a variable-frequency mute electric vehicle charger is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a variable-frequency mute electric vehicle charger, which solves the problems that a heat dissipation fan in the conventional electric vehicle charger in the background art is inconvenient to disassemble, clean and replace, and can accumulate dust and even damage for a long time.

In order to achieve the purpose, the utility model provides the following technical scheme: a variable-frequency silent electric vehicle charger comprises a charger body, wherein four end feet below the charger body are respectively provided with a support frame, a spring A is arranged between the charger body and the support frames, filter screens are arranged on two sides of the inner wall of the charger body, fixing convex blocks are arranged on the upper end surface and the lower end surface of each filter screen, a heat dissipation fan shell is arranged on one side of each filter screen, a heat dissipation fan is arranged on the inner wall of the heat dissipation fan shell, a transverse plate is arranged above the heat dissipation fan shell, inserting rods are arranged on two sides below the transverse plate, a spring B is arranged in the middle of each inserting rod, an external threaded rod is arranged on one side above each fixing convex block, an internal threaded sleeve is sleeved at the top end of the external threaded rod, a pressing plate is fixedly arranged above the internal threaded sleeve, a rotating handle is fixedly arranged above the pressing plate, and clamping grooves are arranged on two sides of the inner wall of each fixing convex block, the inner wall of draw-in groove is equipped with spring C, two the inserted bar inserts two in the draw-in groove.

Preferably, four terminal pins at the top end of the charger body are provided with cushion pads.

Preferably, the surfaces of the two sides and the surface of the bottom end of the charger body are provided with air holes.

Preferably, the inner wall of charger body is equipped with internal element, the both sides of charger body all are equipped with the charging wire.

Preferably, the heat dissipation fan is rotated by a heat dissipation fan motor, and the heat dissipation fan is fixed by a connecting plate above and below the heat dissipation fan motor.

Preferably, a limiting plate is arranged above the spring C.

Compared with the prior art, the utility model has the beneficial effects that:

1. the heat radiation fan is convenient to clean and replace through the heat radiation fan which can be conveniently detached and replaced, the two insertion rods below the transverse plate at the top end of the shell of the heat radiation fan are inserted into the clamping grooves in the inner walls of the fixing convex blocks at one side of the top end of the filter screen to be fixed, the internal thread sleeve at one side of the top end of the fixing convex block is sleeved outside the external thread rod, the pressing plate is driven to move downwards by rotating the rotating handle until the pressing plate touches the transverse plate, the insertion rods below the transverse plate are pressed downwards in the clamping grooves, so that the internal spring C is compressed, and the spring B between the two insertion rods is also compressed downwards, so that the fixing is firmer, when in replacement, the internal thread sleeve needs to move upwards under the rotation of the rotating handle to drive the pressing plate to be separated from the transverse plate, so that the spring B is popped upwards, and at the same time, the spring C in the clamping grooves is popped upwards, and the insertion rods are pulled out of the clamping grooves;

2. according to the utility model, the support frames of the four end pins at the bottom end of the charger body are arranged, and the springs A are arranged between the support frames and the charger body, so that the charger can be stably placed on the ground, and the springs A can play a role in buffering and damping when being vibrated or impacted.

Drawings

FIG. 1 is a schematic view of the internal structure of the whole body of the present invention;

FIG. 2 is a schematic view of a heat dissipation fan according to the present invention;

FIG. 3 is a schematic view of the structure of the heat dissipation fan of the present invention;

fig. 4 is a partially enlarged structural view of a position a where the heat dissipation fan of the present invention is installed.

In the figure: 1. a charger body; 2. a cushion pad; 3. a charging wire; 4. air holes are formed; 5. a spring A; 6. a support frame; 7. an internal element; 8. a heat dissipation fan housing; 9. filtering with a screen; 10. a connecting plate; 11. a heat dissipation fan; 12. fixing the bump; 13. a card slot; 14. a spring B; 15. inserting a rod; 16. pressing a plate; 17. an internal thread sleeve; 18. an externally threaded rod; 19. rotating the handle; 20. a limiting plate; 21. a spring C; 22. a transverse plate.

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 a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 4, an embodiment of the present invention includes: a frequency conversion mute electric vehicle charger comprises a charger body 1, four end feet below the charger body 1 are respectively provided with a support frame 6, a spring A5 is arranged between the charger body 1 and the support frame 6, two sides of the inner wall of the charger body 1 are respectively provided with a filter screen 9, the upper end surface and the lower end surface of each filter screen 9 are respectively provided with a fixing lug 12, one side of each filter screen 9 is provided with a heat radiation fan shell 8, the inner wall of each heat radiation fan shell 8 is provided with a heat radiation fan 11, a transverse plate 22 is arranged above each heat radiation fan shell 8, two sides below the transverse plate 22 are respectively provided with an inserted link 15, the middle of the two inserted links 15 is provided with a spring B14, one side above the fixing lug 12 is provided with an external threaded rod 18, the top end of the external threaded rod 18 is sleeved with an internal threaded sleeve 17, a pressing plate 16 is fixedly arranged above the internal threaded sleeve 17, a rotating handle 19 is fixedly arranged above the pressing plate 16, two sides of the inner wall of the fixing lug 12 are respectively provided with a clamping groove 13, the inner wall of the card slot 13 is provided with a spring C21, and two insertion rods 15 are inserted into the two card slots 13.

Further, four terminal pins on 1 top of charger body all are equipped with blotter 2, play the effect of buffering.

Further, the surfaces of the two sides of the charger body 1 and the surface of the bottom end are provided with air holes 4, so that the inside of the charger body can dissipate heat when being charged.

Further, the inner wall of charger body 1 is equipped with internal element 7, and charger body 1's both sides all are equipped with charging wire 3.

Further, the heat dissipation fan 11 is rotated by the heat dissipation fan motor, and the heat dissipation fan 11 is fixed by the connection plates 10 above and below, thereby achieving a good fixing effect.

Furthermore, a limiting plate is arranged above the spring C21 to play a limiting role.

The working principle is as follows: when the portable charger is used, the support frame 6 of the four end pins at the bottom end of the charger body 1 and the spring A5 are arranged between the support frame 6 and the charger body 1, the portable charger can be stably placed on the ground, the spring A5 can play a role of buffering and damping when the portable charger is shocked or impacted, the portable charger is convenient to clean and replace by the conveniently detachable heat dissipation fan 11, the insertion rods 15 are inserted into the clamping grooves 13 on the inner wall of the fixing lug 12 at the top end of the filter screen 9 and fixed by the two insertion rods 15 below the transverse plate 22 at the top end of the heat dissipation fan shell 8, the inner thread sleeves 17 at the top end of the fixing lug 12 are sleeved outside the outer thread rods 18, the pressing plate 16 is driven by rotating the handle 19 to move downwards until the pressing plate 16 touches the transverse plate 22, the insertion rods 15 below the transverse plate 22 are pressed downwards in the clamping grooves 13, so that the inner spring C21 is compressed, and the spring B14 between the two insertion rods 15 is also compressed downwards, thus the fixing is firmer, need during the change with internal thread cover 17 at the rotation of rotation handle 19 down upward movement drive clamp plate 16 break away from diaphragm 22 then spring B14 upwards pops out, and the inside spring C21 of draw-in groove 13 also pops out upwards at the same time and draws out draw-in rod 15 draw-in groove 13 can be convenient for clean change heat dissipation fan 11, with charger body 1 both sides the charging wire 3 connect the electric motor car and the power charge can.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a frequency conversion silence electric vehicle charging ware, includes charger body (1), its characterized in that: four end feet below the charger body (1) are respectively provided with a support frame (6), a spring A (5) is arranged between the charger body (1) and the support frame (6), both sides of the inner wall of the charger body (1) are respectively provided with a filter screen (9), the upper end face and the lower end face of each filter screen (9) are respectively provided with a fixing lug (12), one side of each filter screen (9) is provided with a heat dissipation fan shell (8), the inner wall of each heat dissipation fan shell (8) is provided with a heat dissipation fan (11), a transverse plate (22) is arranged above each heat dissipation fan shell (8), both sides below the transverse plate (22) are respectively provided with an inserted bar (15), the middle of the two inserted bars (15) is provided with a spring B (14), one side above the fixing lug (12) is provided with an external threaded bar (18), the top end of the external threaded bar (18) is sleeved with an internal threaded sleeve (17), the fixed clamp plate (16) that is equipped with in top of internal thread cover (17), the fixed handle (19) that rotates that is equipped with in top of clamp plate (16), the both sides of fixed lug (12) inner wall all are equipped with draw-in groove (13), the inner wall of draw-in groove (13) is equipped with spring C (21), two inserted bar (15) insert two in draw-in groove (13).

2. The variable-frequency mute electric vehicle charger according to claim 1, wherein: four terminal pins at the top end of the charger body (1) are provided with buffer pads (2).

3. The variable-frequency mute electric vehicle charger according to claim 1, wherein: the charger is characterized in that air holes (4) are formed in the surfaces of the two sides and the bottom end of the charger body (1).

4. The variable-frequency mute electric vehicle charger according to claim 1, wherein: the inner wall of charger body (1) is equipped with internal element (7), the both sides of charger body (1) all are equipped with charging wire (3).

5. The variable-frequency mute electric vehicle charger according to claim 1, wherein: the heat dissipation fan (11) rotates by means of a heat dissipation fan motor, and the heat dissipation fan (11) is fixed through a connecting plate (10) above and below.

6. The variable-frequency mute electric vehicle charger according to claim 1, wherein: and a limiting plate (20) is arranged above the spring C (21).