CN219477060U

CN219477060U - New national standard lead-acid socket

Info

Publication number: CN219477060U
Application number: CN202320687024.3U
Authority: CN
Inventors: 赵亚龙; 马春波; 房万军
Original assignee: Zhejiang Youduan Precision Electronic Technology Co ltd
Current assignee: Zhejiang Youduan Precision Electronic Technology Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-08-04
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a novel national standard lead-acid socket, which has the technical scheme that the novel national standard lead-acid socket comprises a shell, pins limited in the shell, clamping pins and two communication clamping pins, wherein the shell is provided with one jack and two communication jacks for the clamping pins and the two communication clamping pins to pass through, the clamping pins comprise a main pin positioned outside the shell, paired and partially bent contact pins and a shrinking body which is used for connecting the main pin and the two contact pins together and is in an unclosed ring shape, the shrinking body is clamped with the jacks, the two communication clamping pins comprise a sleeve body which is not closed-loop and an auxiliary pin which is inserted into one end of the sleeve body, two sides of the two sleeve bodies are integrally formed with elastic pieces with one end which is tilted relative to the outer wall of the sleeve body, the shell is provided with two pairs of locking grooves for the two pairs of elastic pieces to be inserted, and the two pairs of locking grooves are respectively communicated with the inner cavities of the two communication jacks, so that the problems of complex welding process, easiness in using the clamping pins and the communication clamping pins and the prior art and the problem of waste caused by the fact that parts are not easy to replace are solved.

Description

New national standard lead-acid socket

Technical Field

The utility model relates to the technical field of electric vehicle sockets, in particular to a novel national standard lead-acid socket.

Background

An electric vehicle, also called an electric drive vehicle or an electric drive vehicle, is a vehicle which uses a storage battery (or a rechargeable battery) as a main energy source and converts electric energy into mechanical energy through a controller, a motor and other components. The electric vehicle has the advantages of energy conservation, environmental protection, flexibility, portability, economy, practicability and the like, and is favored by more and more users.

Currently, the most widely used vehicle-mounted storage battery in electric vehicles is a lead-acid battery. The lead-acid battery can be recycled by utilizing the reversibility of chemical reaction, and the cycle times can reach thousands to tens of thousands. The method comprises the steps that when the electric vehicle is designed, corresponding lead-acid sockets are arranged so as to be convenient for externally connecting a lead-acid plug to charge a lead-acid battery, the existing lead-acid sockets are provided with pins capable of forming an anode and jacks capable of forming a cathode, two communication jacks are formed between the pins and the jacks, clamping pins and two communication clamping pins are respectively arranged in the jacks and the two communication jacks, in the production process, one end of each pin is positioned in an inner cavity of a die through plugging, a shell of the lead-acid socket is formed through injection molding, the pins are limited on the shell after the shell is formed, the shell with the pins is taken out of the die, then the clamping pins and the two communication clamping pins are respectively inserted into corresponding holes, and then spot welding is carried out at the edge positions where the clamping pins and the two communication clamping pins are in contact with the shell, so that the clamping pins and the two communication clamping pins are fixedly connected with the shell together; the second, the clamping leg and the two communication clamping legs lose the original elasticity after clamping the pins on the plug for a plurality of times, so that the whole plug needs to be replaced, and the problems of cost rise and resource waste of consumers are caused; thirdly, the cost of the spot welding process in the production process of enterprises is high.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a novel national standard lead-acid socket which has good connection stability, is convenient for local replacement and has low production cost.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel national standard lead-acid socket, includes the casing, is spacing in the pin, clamp foot and two communication clamp feet of casing, offer one jack and two communication jacks that supply clamp foot and two communication clamp feet to pass respectively on the casing, the clamp foot is including a main pin that is located the casing, paired and local crooked contact foot and be used for connecting main pin and two contact feet together and take the form of the shrink body of non-closed ring, shrink body and jack joint;

the two communication clamp feet comprise a sleeve body which is not closed-loop and auxiliary pins which are inserted into one end of the sleeve body, two elastic sheets with one ends tilted relative to the outer wall of the sleeve body are integrally formed on two sides of the sleeve body, and two pairs of locking grooves for inserting the two pairs of elastic sheets are formed on the shell, and the two pairs of locking grooves are respectively communicated with inner cavities of the two communication jacks.

As a further improvement of the utility model, the clamping leg further comprises a sheet body which is partially connected with one end of the shrinkage body and is adjacent to the main pin, the outline size of the sheet body is larger than that of the shrinkage body, and the shell is provided with a sheet groove which is communicated with the jack and is matched with the sheet body.

As a further improvement of the utility model, the edge of the port of the sheet groove on the outer wall of the shell is provided with a chamfer.

As a further development of the utility model, the two contact pins are each provided with a reinforcing rib adjacent to the constriction body.

As a further improvement of the utility model, two elastic sheets positioned on the same sleeve body are respectively positioned at two sides of the corresponding auxiliary pins.

As a further improvement of the utility model, the shell is provided with a deformation groove positioned at one side of the sheet groove.

As a further improvement of the utility model, one side of the shell is hinged with a dust cover which can be covered on the port of the shell.

The utility model has the beneficial effects that: compared with the prior art, the design that the clamping feet and the two communication clamping feet are fixedly connected to the shell through the clamping connection can effectively avoid the phenomenon that the spot welding process affects the plastic shell, ensures the structural stability of the shell, reduces the cost of the process, can remove the rubber coating after the socket when the clamping feet or the two communication clamping feet lose the elasticity of the corresponding pins on the clamping plug, and can pull out the clamping feet or the two communication clamping feet and replace the clamping feet by applying external force, thereby effectively reducing the cost of consumers and the waste of resources.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a perspective view of the present utility model without the dust cap;

FIG. 3 is a perspective view of the other view of FIG. 2;

FIG. 4 is a perspective view of a housing according to the present utility model;

FIG. 5 is a perspective view of a clip leg according to the present utility model;

fig. 6 is a perspective view of a communication clip according to the present utility model.

Reference numerals: 1. a housing; 11. a locking groove; 12. a sheet groove; 13. a deformation groove; 14. a dust cover; 2. pins; 3. clamping feet; 31. a main pin; 32. a contact pin; 33. a shrinkage body; 34. a sheet body; 35. reinforcing ribs; 4. a communication pin; 41. a sleeve body; 42. auxiliary pins; 43. a spring plate; 5. a jack; 6. communication jack.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and examples. Wherein like parts are designated by like reference numerals.

Referring to fig. 1 to 6, a new national standard lead-acid socket of the present embodiment includes a housing 1, a pin 2 limited in the housing 1, a pin 3 and two communication pins 4, wherein the housing 1 is provided with a jack 5 and two communication jacks 6 through which the pin 3 and the two communication pins 4 respectively pass;

based on the prior art, the clamping leg 3 comprises a main pin 31, a pair of contact pins 32 and a shrinkage body 33 which are integrally formed, the clamping leg 3 is made of elastic and conductive materials, the pair of contact pins 32 are partially bent and used for clamping pins on the plug, the shrinkage body 33 is formed by disconnecting a ring body from a position far away from the main pin 31, the profile size of the shrinkage body 33 is slightly larger than that of an inner cavity of the plug 5, the pair of contact pins 32 are respectively positioned at two sides of the disconnection position of the shrinkage body 33, during the installation process, the pair of contact pins 32 are moved from the outside of the shell 1 into the shell 1 and penetrate into the plug 5, the shrinkage body 33 moves to a port of the plug 5 along with the penetration of the contact pins 32 into the plug 5, the connection position of the contact pins 32 and the shrinkage body 33 moves relative to the port of the plug 5, the disconnected two ends of the shrinkage body 33 move until the shrinkage body 33 completely enters the plug 5, the pushing included angle 3 stops pushing the plug 32 to be positioned in the plug 5, and the shrinkage body 33 is tightly clamped with the plug 5 by the elastic force;

the two communication pins 4 are made of elastic and conductive materials, the two communication pins 4 comprise a sleeve body 41 and an auxiliary pin 42, the sleeve body 41 is made by cutting a fracture on the outer wall along the radial direction of a tubular column body, two elastic sheets 43 which are symmetrically arranged relative to the fracture are cut on the outer wall of the sleeve body 41, one ends of the two elastic sheets 43 are outwards broken and shaped relative to the outer wall of the sleeve body 41, the matched part of the auxiliary pin 42 and the inner cavity of the sleeve body 41 is inserted into one end of the sleeve body 41, the sleeve body 41 is partially propped open in the process of inserting the auxiliary pin 42 into the sleeve body 41 so that the disconnected two ends are mutually separated, the sleeve body 41 and the auxiliary pin 42 are clamped together under the action of the elastic force of the sleeve body 41, locking grooves 11 which are communicated with the inner cavity of the communication jack 6 are formed on the opposite sides of the port of the communication jack 6 which is connected with the outer wall of the shell 1, the furthest distance between the paired locking grooves 11 is smaller than the furthest distance between the paired elastic pieces 43, during the installation process, one end of the communication pin 4, which does not clamp the auxiliary pin 42, firstly extends into the communication jack 6, the paired elastic pieces 43 move to the port of the communication jack 6 along with the communication pin 4 extending into the communication jack 6, the communication pin 4 is rotated to enable the paired elastic pieces 43 to be opposite to the paired locking grooves 11, then the paired elastic pieces 43 are pressed in opposite directions at the same time so that the furthest distance between the paired elastic pieces 43 is smaller than the furthest distance between the paired locking grooves 11, the communication pin 4 is continuously pushed into the communication jack 5, the end parts of the paired elastic pieces 43 firstly enter the corresponding locking grooves 11, the paired elastic pieces 43 are loosened, the paired elastic pieces 43 are far away from each other and the end parts are in contact with the inner walls of the corresponding locking grooves 11, finally the communication pin 4 is continuously pushed to move in place, the ends of the paired elastic sheets 43 are in contact with the bottom of the locking groove 11, and the elastic force generated by the elastic sheets 43 enables static friction to be formed between the ends of the elastic sheets 43 and the locking groove 11, so that the communication clamp feet 4 are clamped in the communication jack 6;

compared with the prior art, the design that the clamp pin 3 and the two communication clamp pins 4 are fixedly connected to the shell 1 through the clamping connection can effectively avoid the phenomenon that the spot welding process affects the plastic shell 1, ensures the structural stability of the shell 1, reduces the process cost, can remove the encapsulation after the socket when the clamp pin 3 or the two communication clamp pins 4 lose the elasticity of the corresponding pins on the clamping plug, and can pull out the clamp pin 3 or the two communication clamp pins 4 for replacement by applying external force, thereby effectively reducing the cost of consumers and the waste of resources.

As a specific embodiment of improvement, referring to fig. 3 to 5, the clip 3 further includes a sheet 34 integrally formed with the shrinkage body 33, the sheet 34 is located at one side of the main pin 31, the side wall of the shrinkage body 33 where the shrinkage body 33 is at the disconnection position is cut off from the sheet 34, the side walls of the shrinkage body 33 where the paired contact pins 32 are respectively connected are fixedly connected with the sheet 34, one end of the sheet 34 far away from the main pin 31 protrudes from the outer wall of the shrinkage body 33, the shell 1 is provided with a slot 12 which is communicated with the jack 5 and matched with the sheet 34, and the clip 3 is clamped with the shell 1 in place after the sheet 34 enters the slot 12 and contacts with the slot bottom of the slot 12, so that the clip 3 can be clamped into the shell 1 under the premise of not influencing the deformation of the shrinkage body 33, the phenomenon that the clip 3 is pulled out of the shell 1 along with the plug is avoided, and the connection stability of the clip 3 relative to the shell 1 is further improved when in use; the sheet groove 12 and the sheet body 34 can be in clearance fit, so that the connection stability between the whole clamping leg 3 and the shell 1 is further improved, and the phenomenon that the clamping leg 3 is ejected out of the shell 1 along with the insertion of a plug is avoided;

further preferably, referring to fig. 5, the edge of the port of the slot 12 on the outer wall of the housing 1 is provided with a chamfer, so that the sheet 34 can smoothly enter the slot 12, and the mounting efficiency of the clip leg 3 is improved.

As a modified embodiment, referring to fig. 5, the reinforcing ribs 35 are formed by punching at the bent portions of the two contact pins 32, so that the breakage of the two contact pins 32 can be delayed and the structural strength of the pair of contact pins 32 can be improved.

As a specific embodiment of improvement, referring to fig. 3, 4 and 6, two elastic sheets 43 located on the same sleeve body 41 are respectively located at two sides of the corresponding auxiliary pin 42, when the auxiliary pin 42 is inserted into the sleeve body 41 to open the sleeve body 41, the furthest distance between the two elastic sheets 43 is correspondingly increased, so that the deformation degree of the two elastic sheets 43 after entering the locking groove 11 is increased to generate larger elastic force, the static friction force between the two elastic sheets 43 and the locking groove 11 is indirectly improved, and the connection stability between the communication pin 4 and the shell 1 is further improved.

As a specific embodiment of improvement, referring to fig. 3, the casing 1 is provided with a deformation groove 13 located at one side of the sheet groove 12, so that when the sheet 34 and the shrinkage body 33 enter the jack 5, part of the casing 1 is easier to deform, so that the sheet 34 and the shrinkage body 33 are conveniently clamped into the jack 5, and the installation efficiency of the pin 3 is improved.

As a modified embodiment, referring to fig. 1, a dust cover 14 capable of covering the port of the housing 1 is hinged to one side of the housing 1, so that dust or rainwater can be prevented from entering the housing 1 when the utility model is not in use, and structural stability of the pin 2, the clip 3 and the two communication clip 4 is ensured.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a new national standard lead-acid socket, includes casing (1), spacing in participating in (2), clamp foot (3) and two communication clamp feet (4) in casing (1), offer on casing (1) respectively supply clamp foot (3) and two communication clamp foot (4) jack (5) and two communication jack (6) that pass, its characterized in that: the clamping pin (3) comprises a main pin (31) positioned outside the shell (1), paired contact pins (32) which are partially bent and a shrinkage body (33) which is used for connecting the main pin (31) with the two contact pins (32) and is in an unclosed ring shape, wherein the shrinkage body (33) is clamped with the jack (5);

the two communication clamp feet (4) comprise a sleeve body (41) which is not closed-loop and auxiliary pins (42) which are inserted into one end of the sleeve body (41), two elastic sheets (43) with one end tilted relative to the outer wall of the sleeve body (41) are integrally formed on two sides of the sleeve body (41), two pairs of locking grooves (11) which are respectively used for inserting the two pairs of elastic sheets (43) are formed on the shell (1), and the two pairs of locking grooves (11) are respectively communicated with inner cavities of the two communication jacks (6).

2. A new national standard lead-acid outlet according to claim 1, wherein: the clamp pin (3) further comprises a sheet body (34) which is partially connected with one end of the shrinkage body (33) and is adjacent to the main pin (31), the outline size of the sheet body (34) is larger than that of the shrinkage body (33), and the shell (1) is provided with a sheet groove (12) which is communicated with the jack (5) and matched with the sheet body (34).

3. A new national standard lead-acid outlet according to claim 2, wherein: the edge of the port of the sheet groove (12) positioned on the outer wall of the shell (1) is provided with a chamfer.

4. A new national standard lead-acid socket according to claim 1 or 2 or 3, wherein: the two contact pins (32) are provided with reinforcing ribs (35) adjacent to the shrinkage body (33).

5. A new national standard lead-acid socket according to claim 1 or 2 or 3, wherein: two elastic sheets (43) positioned on the same sleeve body (41) are respectively positioned at two sides of the corresponding auxiliary pin (42).

6. A new national standard lead-acid socket according to claim 1 or 2 or 3, wherein: the shell (1) is provided with a deformation groove (13) positioned at one side of the sheet groove (12).

7. A new national standard lead-acid socket according to claim 1 or 2 or 3, wherein: one side of the shell (1) is hinged with a dustproof cover (14) which can be covered on the port of the shell (1).