CN213522751U

CN213522751U - Controller for electric vehicle

Info

Publication number: CN213522751U
Application number: CN202022220677.XU
Authority: CN
Inventors: 翁泽伦
Original assignee: Wenzhou Jiate Auto Electric Appliance Co ltd
Current assignee: Wenzhou Jiate Auto Electric Appliance Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-22
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to a controller for electric motor car relates to the technical field of electric motor car, its include the main part with set up in connection terminal and binding post in the main part, the position all around of terminal surface is provided with the round and is used for contradicting under the binding post the sealing ring of main part, the connection terminal with be provided with the locking subassembly between the binding post, the locking subassembly is used for right the connection terminal with binding post locks. Through utilizing the sealing ring to seal binding post and main part, avoid outside water stain to enter into inside the controller through the clearance between binding post and the connection terminal to avoid the controller to take place the condition of short circuit, and then have the advantage that improves controller safety in utilization.

Description

Controller for electric vehicle

Technical Field

The application relates to the field of electric vehicles, in particular to a controller for an electric vehicle.

Background

The electric vehicle controller is a core control device used for controlling the starting, running, advancing and retreating, speed and stopping of a motor of the electric vehicle and other electronic devices of the electric vehicle. The controller is similar to the brain of the electric vehicle and is an important component of the electric vehicle.

When the controller in the related art is used, the connection terminal is usually in plug-in fit with the connection base on the controller body, so that the circuit is conducted. However, there is a gap between the connection terminal and the controller main body, so that water stain easily enters the controller through the gap between the connection terminal and the controller main body, thereby causing a risk of short circuit of the controller.

With respect to the related art in the above, the inventors consider that the controller has a drawback of poor safety in use.

SUMMERY OF THE UTILITY MODEL

In order to improve the safety in utilization of controller, this application provides a controller for electric motor car.

The application provides a controller for electric motor car adopts following technical scheme:

the utility model provides a controller for electric motor car, include the main part with set up in connection terminal and binding post in the main part, the position all around of terminal surface is provided with the round and is used for conflicting under the binding post the sealing ring of main part, the connection terminal with be provided with the locking subassembly between the binding post, the locking subassembly is used for right the connection terminal with binding post locks.

Through adopting above-mentioned technical scheme, accomplish the cooperation of pegging graft when binding post and connection terminal to fix back with binding post and connection terminal through locking Assembly, the sealing ring supports the up end of tight main part, thereby realizes the sealed between binding post and the main part. The controller has the advantages that the water stain outside is prevented from entering the controller through the gap between the wiring terminal and the wiring seat, the short circuit of the controller is avoided, and the use safety of the controller is improved.

Optionally, the outer wall of the wiring terminal is provided with a locking shell with an opening at the lower end, the locking assembly comprises a locking hook and a locking block which can be hooked tightly, the locking hook is made of elastic materials and is arranged in the locking shell, and the locking block is arranged on the wiring seat.

Through adopting above-mentioned technical scheme, when binding post and connection terminal carry out the grafting cooperation, the latch hook takes place elastic deformation. Then, the latch hook resets and catches hold of locking piece under the effect of self elasticity to realize binding post and connection terminal's fixed. Through setting up the locking Assembly that the structure is succinct, the operation is convenient, the locking effect is stable, realize the quick locking of binding post and connection terminal to efficiency when improving to be connected binding post and connection terminal.

Optionally, the upper end of the locking hook penetrates to the outside of the locking shell and forms a driving handle.

By adopting the technical scheme, the driving handle is pushed to drive the locking hook to move, and the locking hook is separated from the locking block, so that the locking assembly is unlocked. This design enables the locking assembly to be unlocked, thereby enabling the terminal block to be disassembled. Therefore, a user can maintain the wiring terminal independently, the maintenance convenience can be improved, and the maintenance cost can be reduced. Meanwhile, when the wiring terminal and the wiring seat need to be connected, a user can firstly push the driving handle to drive the locking hook to move towards the direction far away from the locking block. The problem of wiring terminal motion jamming caused by excessive conflict between the lock hook and the locking block is avoided. The movement smoothness of the wiring terminal can be improved, and the working efficiency of the wiring terminal and the wiring base during connection can be further improved.

Optionally, a dust-proof sleeve with an opening at the lower end is arranged on the locking shell, and the driving handle is located in the dust-proof sleeve.

Through adopting above-mentioned technical scheme, through setting up the dirt proof boot, avoid external dust or water stain to enter into binding post through the clearance between latch hook and the locking shell inside to improve binding post's stability in use and safety in utilization.

Optionally, a pair of reinforcing plates is arranged between the locking shell and the wiring terminal, and the pair of reinforcing plates is used for supporting the locking shell and the wiring terminal.

Through adopting above-mentioned technical scheme, through setting up the reinforcing plate, improve the structural strength of locking shell. The locking shell is prevented from being damaged due to excessive deformation under the driving of the locking hook and the driving handle, and therefore the use stability of the locking shell is improved.

Optionally, the driving handle is connected with the locking shell in a vertical sliding mode, the driving handle is provided with elastic helical teeth, and tooth grooves for matching the helical teeth are formed in the inner wall of the dustproof sleeve.

Through adopting above-mentioned technical scheme, pass the locking shell with the drive handle and insert to the dirt proof boot, at this moment, skewed tooth and tooth's socket form the locking cooperation to realize the fixed of drive handle and latch hook. This design can the person of facilitating the use carry out rapid Assembly to latch hook and actuating handle to improve production efficiency.

Optionally, a sealing plate for plugging an upper port of the terminal block is arranged on the terminal block, and a plurality of abdicating holes for the lead to pass through are formed in the sealing plate.

Through adopting above-mentioned technical scheme, pass the wire from the hole of stepping down to be connected the wire and the inside wiring foot of binding post. Then, the sealing plate can be used to seal the upper port of the terminal. The upper port of the wiring terminal is blocked by the sealing plate, so that a good protection effect is achieved. Avoid debris such as external dust and water stain to enter into binding post inside to improve binding post's stability in use.

Optionally, the ports at the two ends of the abdicating hole are arranged in a tapered shape from the middle part.

Through adopting above-mentioned technical scheme, because the both ends port to the middle part of the hole of stepping down is the convergent form for the bore of the hole both ends port of stepping down is greater than the bore of middle part position, thereby makes the inner wall of the hole of stepping down be the toper form, and then has good guide effect. The lead can rapidly penetrate through the yielding hole, and therefore working efficiency of the lead when being connected with the wiring pin inside the wiring terminal is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the sealing ring is used for sealing the wiring terminal and the main body, so that external water stain is prevented from entering the controller through a gap between the wiring terminal and the wiring seat, the controller is prevented from being short-circuited, and the use safety of the controller is improved;

2. the locking assembly with a simple structure, convenient operation and stable locking effect is arranged, so that the wiring terminal and the wiring base are quickly locked, and the efficiency of connecting the wiring terminal and the wiring base is improved;

3. carry out the shutoff through utilizing the closing plate to binding post's last port, have good protecting effect, avoid debris such as external dust and water stain to enter into binding post inside to improve binding post's stability in use.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a connection terminal in an embodiment of the present application.

Fig. 3 is a cross-sectional view of an embodiment of the present application.

Fig. 4 is a cross-sectional view of a terminal in an embodiment of the present application.

FIG. 5 is a sectional view of a seal plate in an embodiment of the present application.

Description of reference numerals: 1. a main body; 2. a wire holder; 3. a wiring terminal; 31. a body; 32. a support plate; 4. a support ring; 5. a locking assembly; 51. a latch hook; 52. a locking block; 6. a locking housing; 7. connecting holes; 8. a drive handle; 9. a dust-proof sleeve; 10. a reinforcing plate; 11. helical teeth; 12. a tooth socket; 13. a sealing plate; 14. a hole of abdication; 15. a seal ring; 16. accommodating grooves; 17. an outer edge; 18. an inner edge.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses controller for electric motor car. Referring to fig. 1, the controller for the electric vehicle includes a main body 1, and a wire holder 2 is fixedly connected to an upper end surface of the main body 1. The top of main part 1 still is provided with binding post 3 to binding post 3's upper end is uncovered form setting.

Referring to fig. 2, the terminal 3 includes a body 31, the terminal 3 further includes a ring of support plates 32 integrally formed on an outer wall of a lower end of the body 31, and the ring of support plates 32 is disposed along a circumferential direction of the body 31.

Referring to fig. 2 and 3, an end of the support plate 32 remote from the end of the body 31 is bent downward and forms a support ring 4, and the support ring 4 is adapted to be fitted over the wire holder 2. A locking assembly 5 is arranged between the support ring 4 and the wire holder 2, the locking assembly 5 being used for locking the wire holder 2 and the support ring 4.

When it is desired to connect the terminal 3 to the wire holder 2, the support ring 4 is fitted over the wire holder 2 and the pins in the body 31 are brought into contact with the pins in the wire holder 2. Then lock locking Assembly 5 locking again to realize the fixed of wire holder 2 and support ring 4, and then realize being connected of binding post 3 and wire holder 2.

Referring to fig. 2 and 3, the outer wall of the support ring 4 is integrally formed with a locking shell 6 having an open lower end, and the locking shell 6 communicates with the inside of the support ring 4. The locking assembly 5 comprises a locking hook 51 vertically arranged on the inner wall of the upper end of the locking shell 6, and the locking hook 51 is made of spring steel.

Referring to fig. 2 and 3, the locking assembly 5 further includes a locking block 52 integrally formed on an outer wall of the upper end of the wire holder 2, and the locking block 52 is hooked by the locking hook 51. Meanwhile, the side wall of the locking block 52 far away from the wire holder 2 is arranged in an inclined shape, and the area of the upper end surface of the locking block 52 is smaller than that of the lower end surface.

When the support ring 4 is fitted over the wire holder 2, the locking hooks 51 are elastically deformed against the locking blocks 52, and the locking hooks 51 are moved away from the locking blocks 52. When the lower end surface of the locking case 6 collides with the upper end surface of the main body 1, the locking hook 51 is restored by its own elastic force. At this time, the locking hook 51 hooks the locking block 52, so that the locking of the locking assembly 5 and thus the locking of the wire holder 2 and the support ring 4 is realized.

Referring to fig. 2 and 3, a connection hole 7 communicating with the inside of the locking housing 6 is penetrated through an upper end surface of the locking housing 6, a driving handle 8 is integrally formed on an upper end surface of the locking hook 51, and the driving handle 8 penetrates the connection hole 7 and extends to the upper side of the locking housing 6. Meanwhile, the lower port of the connecting hole 7 is arranged in an outward expansion shape.

Referring to fig. 2 and 3, the upper end surface of the lock case 6 is integrally formed with a dust-proof boot 9 having an open lower end, and the lower end of the dust-proof boot 9 covers the connection hole 7 and communicates with the connection hole 7. Meanwhile, the driving handle 8 is positioned in the dustproof sleeve 9, and the upper end face of the driving handle 8 is abutted against the inner wall of the lower end of the dustproof sleeve 9.

Referring to fig. 2, a pair of reinforcing plates 10 is vertically and fixedly connected to an upper end surface of the lock case 6, and the pair of reinforcing plates 10 are located on both sides of the dust boot 9. The lower end face of the reinforcing plate 10 is fixedly connected with the upper end face of the support plate 32, and the side wall of the reinforcing plate 10 is fixedly connected with the outer wall of the support ring 4.

Referring to fig. 3 and 4, oblique teeth 11 made of spring steel are respectively integrally formed on the side walls of the two sides of the driving handle 8, tooth grooves 12 for locking and matching the corresponding oblique teeth 11 are respectively formed on the inner walls of the two sides of the dust-proof sleeve 9, and the driving handle 8 can only vertically slide upwards along the connecting hole 7.

When the latch hook 51 is assembled, the driving handle 8 is aligned with the coupling hole 7. Then, the latch hook 51 is pushed to drive the driving handle 8 to move vertically upwards along the connecting hole 7, and the driving handle 8 enters the dustproof sleeve 9. At this time, the helical teeth 11 are elastically deformed by the interference of the connecting hole 7 and the inner wall of the dust-proof boot 9.

When the upper end face of the driving shank 8 abuts against the upper end inner wall of the lock housing 6, the helical teeth 11 are aligned with the corresponding tooth grooves 12. Subsequently, the helical teeth 11 are reset under the action of their own elastic force and form a locking fit with the corresponding tooth grooves 12, thereby achieving the fixing and mounting of the locking hook 51 and the driving handle 8.

When the support ring 4 and the wire holder 2 need to be unlocked, the dust-proof sleeve 9 is pressed to drive the driving handle 8 to move towards the body 31. At this time, the latch hook 51 is moved in a direction away from the lock block 52 by the driving lever 8. When the locking hook 51 is completely disengaged from the locking block 52, the support ring 4 is unlocked from the wire holder 2.

Referring to fig. 2 and 5, a sealing plate 13 is horizontally disposed at an upper port of the body 31, the sealing plate 13 is detachable, and peripheral side walls of the sealing plate 13 are in contact with peripheral inner walls of the body 31. The sealing plate 13 is provided with a plurality of yielding holes 14 for the lead to pass through, the two end ports of the yielding holes 14 are gradually reduced to the middle part, and the inner walls of the upper end and the lower end of the yielding holes 14 are all arranged in a conical shape.

Referring to fig. 1 and 2, the lower end surface of the support ring 4 is provided with a ring of sealing ring 15 made of rubber, the sealing ring 15 is arranged along the circumferential direction of the support ring 4, and the sealing ring 15 is used for abutting against the upper end surface of the main body 1.

Referring to fig. 2 and 3, the upper end surface of the sealing ring 15 is provided with an annular receiving groove 16 into which the support ring 4 is inserted, the lower end of the support ring 4 is bent outward to form an outer edge 17, and the upper end port of the receiving groove 16 is bent inward to form an inner edge 18 against which the outer edge 17 abuts.

When mounting the sealing ring 15, the support ring 4 is aligned with the receiving groove 16 and the sealing ring 15 is then pushed in the direction of the support ring 4. At this time, the inner edge 18 is elastically deformed by interference with the outer edge 17. When the outer edge 17 is inserted into the receiving groove 16, the inner edge 18 is restored by its own elastic force, and the inner edge 18 is made to abut against the outer edge 17, thereby achieving the installation of the seal ring 15.

When the terminal 3 is connected to the terminal holder 2, the sealing ring 15 is moved in the direction of the terminal holder 2 by the support ring 4. When the locking hook 51 and the locking block 52 form a locking fit, the sealing ring 15 abuts against the upper end surface of the main body 1, thereby achieving sealing between the support ring 4 and the main body 1.

The implementation principle of the controller for the electric vehicle in the embodiment of the application is as follows: the support ring 4 is sleeved on the wire holder 2, and the lock hook 51 and the lock block 52 form a locking fit, so that the connection between the wiring terminal 3 and the wire holder 2 is realized. At this point, the sealing ring 15 seals the support ring 4 and the body 1. The dustproof sleeve 9 is pushed to drive the driving handle 8 to move, the driving handle 8 is reused to drive the locking hook 51 to move, and the locking hook 51 is separated from the locking block 52, so that the wiring terminal 3 and the wiring base 2 are unlocked. Subsequently, the terminal 3 can be disassembled.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a controller for electric motor car, includes main part (1) and set up in wire holder (2) and binding post (3) on main part (1), its characterized in that: the position all around of terminal surface is provided with the round and is used for conflicting under binding post (3) sealing ring (15) of main part (1), wire holder (2) with be provided with locking Assembly (5) between binding post (3), locking Assembly (5) are used for right wire holder (2) with binding post (3) lock.

2. The controller for an electric vehicle according to claim 1, wherein: the outer wall of binding post (3) is provided with lower extreme open-ended locking shell (6), locking subassembly (5) are including latch hook (51) and locking piece (52) that can hook each other tightly, latch hook (51) adopt elastic material to make, and set up in locking shell (6), locking piece (52) set up in on wire holder (2).

3. The controller for an electric vehicle according to claim 2, wherein: the upper end of the locking hook (51) penetrates to the outside of the locking shell (6) and forms a driving handle (8).

4. The controller for an electric vehicle according to claim 3, wherein: the locking shell (6) is provided with a dustproof sleeve (9) with an opening at the lower end, and the driving handle (8) is positioned in the dustproof sleeve (9).

5. The controller for an electric vehicle according to claim 4, wherein: a pair of reinforcing plates (10) is arranged between the locking shell (6) and the wiring terminal (3), and the reinforcing plates (10) are used for supporting the locking shell (6) and the wiring terminal (3).

6. The controller for an electric vehicle according to claim 4, wherein: drive handle (8) with locking shell (6) vertical sliding connection, be provided with elastic skewed tooth (11) on drive handle (8), the inner wall of dirt proof boot (9) is provided with the confession skewed tooth (11) carry out complex tooth's socket (12).

7. The controller for an electric vehicle according to claim 1, wherein: the wiring terminal (3) is provided with a sealing plate (13) used for plugging an upper port of the wiring terminal, and a plurality of yielding holes (14) for leading wires to pass through penetrate through the sealing plate (13).

8. The controller for an electric vehicle according to claim 7, wherein: the ports at the two ends of the abdicating hole (14) are arranged in a gradually reducing manner from the middle part.