CN213959248U

CN213959248U - Large-current connector convenient to lock and unlock

Info

Publication number: CN213959248U
Application number: CN202022414284.2U
Authority: CN
Inventors: 苏洪平
Original assignee: Kanglian Precision Electromechanical Shenzhen Co ltd
Current assignee: Kanglian Precision Electromechanical Shenzhen Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-08-13
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a large current connector convenient to lock and open, which comprises a terminal module and a board end module, wherein the terminal module is connected with a knob switch, the knob switch is provided with a locking hook, the board end module is provided with a locking column matched with the knob switch, and the locking hook of the knob switch can hook the locking column and lock the terminal module and the board end module mutually in the rotation process of the knob switch; the knob switch is provided with a cam part, and in the rotating process of the knob switch, the cam part can press the locking column and force the wire end module and the plate end module to be separated from each other by means of the interaction force of the cam part and the locking column. The large-current connector convenient to lock and open has the advantages of being convenient to lock and open, simple to operate, low in operation difficulty and good in use experience, and when the connector is in actual application, the service life of the connector can be prolonged, and safety performance is improved.

Description

Large-current connector convenient to lock and unlock

Technical Field

The utility model relates to an electric connector, especially a heavy current connector convenient to locking, open.

Background

An electrical connector is a common type of connection component. In order to bear larger current, the sectional area of the current terminal of the existing high-current connector is larger and larger, and simultaneously, in order to realize the reliability and stability of connection, the contact impedance is reduced, the problem that the high current generates heat through the connector is solved, and the friction retention force after the male terminal and the female terminal are oppositely inserted is designed to be larger and larger. Aiming at the high-current connector, the existing opening mode that the connector shell is grasped by hands and the cable is directly pulled out is difficult to separate the connector, and the defects of inconvenient use and difficult opening exist in the use process; and this kind of directly extract open connector mode, on the withdrawal force direct action terminal and electric wire, can make original connection displacement of terminal and electric wire or pine take off, and the withdrawal force can directly conduct on the base plate of installation, probably damages electrical equipment such as base plate, and then damages the connector easily, influences the life of connector, has the potential safety hazard even.

In view of the above, the present invention provides a new technical solution to solve the existing technical drawbacks.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a large current connector convenient to lock, open has solved the connection that prior art exists, has opened the difficulty, has used inconveniently, the connector damages easily, life is short, have technical defect such as potential safety hazard.

The utility model provides a technical scheme that its technical problem adopted is:

a large-current connector convenient to lock and unlock comprises a wire end module and a board end module which are matched with each other, wherein a knob switch is connected to the side part of the wire end module, a locking clamping hook is arranged on the knob switch, a locking column matched with the knob switch is arranged on the side part of the board end module, and the locking clamping hook of the knob switch can be tightly hooked on the locking column and mutually lock the wire end module and the board end module in the rotating process; the knob switch is provided with a cam part, and in the rotating process of the knob switch, the cam part can press the locking column and force the wire end module and the plate end module to be separated from each other by means of the interaction force of the cam part and the locking column.

As a further improvement of the above technical solution, the locking post has a locking post plane, the locking post plane and the end surface of the plate end module are located on the same plane, and the cam portion can be pressed on the locking post plane.

As a further improvement of the above technical solution, a fixing column is provided at a side of the line terminal module, a fixing hole matching the fixing column is provided on the rotary switch, and the rotary switch is mounted on the fixing column through the fixing hole and can rotate around the fixing column.

As a further improvement of the technical scheme, a fixing column cover cap is arranged at the outer end of the fixing column and used for limiting the rotary switch at the rotating part of the fixing column.

As a further improvement of the above technical solution, the fixed column cap includes a cap portion and a connecting portion, the knob switch is provided with a fixed hole sink along a periphery of an outer opening of the fixed hole, the cap portion of the fixed column cap is mounted at the fixed hole sink, a cap connecting groove is provided at an outer end portion of the fixed column, and the connecting portion of the fixed column cap is fixedly connected in the cap connecting groove.

As a further improvement of the technical scheme, a clamping hook force arm is arranged on the rotary switch, the locking clamping hook is located at the outer end of the clamping hook force arm, the cross section of the clamping hook force arm is gradually reduced in the process of transitive extension from the clamping hook force arm to the locking clamping hook, the locking clamping hook forms a clamping hook notch on the rotary switch, and the size of the clamping hook notch is matched with that of the locking column.

As a further improvement of the above technical solution, the knob switch is further provided with a first knob force arm and a second knob force arm, the first knob force arm forms a first knob force applying notch on the knob switch, the second knob force arm forms a second knob force applying notch on the knob switch, and a third knob force applying notch is formed between the first knob force arm and the second knob force arm.

As a further improvement of the above technical solution, a rotation limiting convex column is arranged inside the rotary switch, a rotation limiting concave position matched with the rotation limiting convex column is arranged on the side of the wire end module, and the rotation limiting convex column extends into the rotation limiting concave position and is limited by the side wall of the rotation limiting concave position.

As a further improvement of the above technical solution, two sides of the board end module are provided with positioning bumps, the positioning bumps are provided with positioning holes, the connecting end of the board end module is provided with a plurality of connecting plugs, and the connecting end of the wire end module is provided with connecting slots matched with the connecting plugs.

The utility model has the advantages that: the utility model provides a heavy current connector convenient to lock, open, this kind of heavy current connector convenient to lock, open can realize quick locking through knob switch, locking post, can realize the quickly separating of line end module and board end module through cam portion, has convenient to use's characteristics. In practical application, the difficulty of connecting and disconnecting the connector can be greatly reduced, and the connecting and separating speed is improved; meanwhile, the connecting acting force and the separating acting force directly act on the body of the terminal module and the board end module, so that excessive adverse effects on the terminal of the connector and the circuit board inside the terminal cannot be caused, the problems of terminal looseness, falling off, circuit board damage and the like caused by the separation of the connector can be avoided, the connector is effectively protected, and the service life of the connector is prolonged.

In conclusion, the large-current connector convenient to lock and open solves the technical defects that in the prior art, connection and opening are difficult, use is inconvenient, the connector is easy to damage, the service life is short, potential safety hazards exist and the like.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic assembly view of the present invention;

FIG. 2 is a structural exploded view of the present invention;

fig. 3 is a schematic structural diagram of the middle rotary switch of the present invention;

fig. 4 is a schematic structural view of another angle of the knob switch of the present invention;

fig. 5 is a schematic structural view of the fixed column cap of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The technical features of the present invention can be combined interactively without conflicting with each other, as shown in fig. 1 to 5.

A large-current connector convenient to lock and unlock comprises a wire end module 1 and a board end module 2 which are matched with each other, wherein a knob switch 3 is connected to the side of the wire end module 1 in a cross mode, a locking clamping hook 31 is arranged on the knob switch 3, a locking column 21 matched with the knob switch 3 is arranged on the side of the board end module 2, and the locking clamping hook 31 of the knob switch 3 can be tightly hooked on the locking column 21 and mutually lock the wire end module 1 and the board end module 2 in the rotating process of the knob switch 3; the knob switch 3 is provided with a cam portion 32, and during the rotation of the knob switch 3, the cam portion 32 can press the locking column 21 and force the wire end module 1 and the board end module 2 to be separated from each other by the interaction force of the cam portion 32 and the locking column 21.

When in actual use, with terminal module 1 and board end module 2 after target in place to inserting, through rotating rotary switch 3 for locking trip 31 on rotary switch 3 colludes tightly on board end module 2's locking post 21, and then utilizes the locking trip 31 and locking post 21's mutual locking power to lock terminal module 1 and board end module 2 closely together, forms the stable connection structure of connector, can improve the connection stability of connector, avoids receiving the exogenic action and produces not hard up, and the reliability is higher. In practical implementation, the inner side surface of the locking hook 31 can be set to be a micro inclined surface with gradually reduced spacing, in the process of slowly rotating the knob switch 3, the spacing between the wire end module 1 and the board end module 2 is reduced through the micro inclined surface, the effect of improving the connection stability of the connector is achieved, meanwhile, the impedance can be reduced and the heat productivity of the connector can be reduced.

When the connector needs to be opened, the cam part 32 on the knob switch 3 is pressed to the locking column 21 by reversely rotating the knob switch 3, and the plate end module 2 and the line end module 1 are forced to be separated from each other by the interaction force between the cam part 32 and the locking column 21. In the rotating process of the knob switch 3, the distance between the position of the outer edge of the cam part 32, which is in contact with the locking column 21, and the rotating center of the knob switch 3 is gradually increased, so that the distance between the board end module 2 and the line end module 1 is gradually increased until the connecting friction force between the line end module 1 and the board end module 2 is reduced, and at this time, the connector can be easily opened manually, so that the connector is quickly opened, and the operation is convenient.

The locking column 21 has a locking column plane 211, the locking column plane 211 and the end surface of the board end module 2 are located on the same plane, and the cam portion 32 can press on the locking column plane 211.

A fixing column 11 is arranged on the side part of the line terminal module 1, a fixing hole 30 matched with the fixing column 11 is arranged on the knob switch 3, and the knob switch is installed on the fixing column 11 through the fixing hole 30 and can rotate around the fixing column 11.

A fixing column cover cap 4 is arranged at the outer end of the fixing column 11, and the fixing column cover cap 4 is used for limiting the rotary switch 3 at the rotating part of the fixing column 11.

The fixed column cap 4 comprises a cap part 41 and a connecting part 42, the rotary switch 3 is provided with a fixed hole sinking platform 301 at the periphery of the outer opening part of the fixed hole 30, the cap part 41 of the fixed column cap 4 is installed at the fixed hole sinking platform 301, the outer end part of the fixed column 11 is provided with a cap connecting groove 111, and the connecting part 42 of the fixed column cap 4 is fixedly connected in the cap connecting groove 111.

The last trip arm of force 33 that has of rotary switch 3, locking trip 31 is located trip arm of force 33 outer end, the in-process that the transition of following the trip arm of force 33 to locking trip 31 extends, the cross-section of trip arm of force 33 dwindles gradually, locking trip 31 forms trip notch 34 on rotary switch 3, the size matching of trip notch 34 the size of locking post 21.

Still be provided with first knob arm of force 35 and second knob arm of force 36 on rotary switch 3, first knob arm of force 35 forms first knob power of on notch 371 on rotary switch 3, and second knob arm of force 36 forms second knob power of on notch 372 on rotary switch 3, is formed with third knob power of on notch 373 between first knob arm of force 35 and the second knob arm of force 36, through first knob arm of force 35, second knob arm of force 36, first knob power of on notch 371, second knob power of on notch 372 and third knob power of on notch 373 can further reduce the rotation rotary switch 3's the operation degree of difficulty, further promote to use experience.

The inside of the rotary switch 3 is provided with a rotary limiting convex column 38, the side part of the line end module 1 is provided with a rotary limiting concave position 12 matched with the rotary limiting convex column 38, the rotary limiting convex column 38 extends into the rotary limiting concave position 12 and is limited by the side wall of the rotary limiting concave position 12, and the rotary switch 3 can be kept in a proper rotary range through the limiting effect of the rotary limiting convex column 38 and the rotary limiting concave position 12.

The two sides of the plate end module 2 are provided with positioning lugs 22, the positioning lugs 22 are provided with positioning holes 221, the connecting end of the plate end module 2 is provided with a plurality of connecting plug posts 23, and the connecting end of the wire end module 1 is provided with connecting slots matched with the connecting plug posts 23.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a heavy current connector convenient to lock, open which characterized in that: the locking device comprises a wire end module (1) and a board end module (2) which are matched with each other, wherein a knob switch (3) is connected to the side of the wire end module (1), a locking clamping hook (31) is arranged on the knob switch (3), a locking column (21) matched with the knob switch (3) is arranged on the side of the board end module (2), and the locking clamping hook (31) can be tightly hooked on the locking column (21) and mutually lock the wire end module (1) and the board end module (2) in the rotation process of the knob switch (3); the knob switch (3) is provided with a cam part (32), and in the rotating process of the knob switch (3), the cam part (32) can press the locking column (21) and force the wire end module (1) and the plate end module (2) to be separated from each other by means of the interaction force of the cam part (32) and the locking column (21).

2. A high current connector facilitating locking and unlocking according to claim 1, wherein: the locking column (21) is provided with a locking column plane (211), the locking column plane (211) and the end surface of the plate end module (2) are positioned on the same plane, and the cam part (32) can be pressed on the locking column plane (211).

3. A high current connector facilitating locking and unlocking according to claim 1, wherein: the side part of the line terminal module (1) is provided with a fixed column (11), a fixed hole (30) matched with the fixed column (11) is formed in the knob switch (3), and the knob switch is installed on the fixed column (11) through the fixed hole (30) and can rotate around the fixed column (11).

4. A high current connector facilitating locking and unlocking according to claim 3, wherein: a fixing column cover cap (4) is arranged at the outer end of the fixing column (11), and the fixing column cover cap (4) is used for limiting the rotary switch (3) at the rotating part of the fixing column (11).

5. A high current connector facilitating locking and unlocking according to claim 3, wherein: the fixed column cover cap (4) comprises a cover cap part (41) and a connecting part (42), a fixed hole sinking platform (301) is arranged on the periphery of an outer opening part of the fixed hole (30) of the knob switch (3), the cover cap part (41) of the fixed column cover cap (4) is installed on the fixed hole sinking platform (301), a cover cap connecting groove (111) is formed in the outer end part of the fixed column (11), and the connecting part (42) of the fixed column cover cap (4) is fixedly connected into the cover cap connecting groove (111).

6. A high current connector facilitating locking and unlocking according to claim 1, wherein: the locking device is characterized in that a clamping hook force arm (33) is arranged on the rotary switch (3), the locking clamping hook (31) is located at the outer end of the clamping hook force arm (33), the clamping hook force arm (33) is extended from the clamping hook force arm (33) to the locking clamping hook (31) in a transition mode, the cross section of the clamping hook force arm (33) is gradually reduced, a clamping hook notch (34) is formed in the locking clamping hook (31) on the rotary switch (3), and the size of the clamping hook notch (34) is matched with the size of the locking column (21).

7. A high current connector facilitating locking and unlocking according to claim 1, wherein: the rotary switch is characterized in that a first rotary button force arm (35) and a second rotary button force arm (36) are further arranged on the rotary switch (3), a first rotary button force applying notch (371) is formed in the rotary switch (3) through the first rotary button force arm (35), a second rotary button force applying notch (372) is formed in the rotary switch (3) through the second rotary button force arm (36), and a third rotary button force applying notch (373) is formed between the first rotary button force arm (35) and the second rotary button force arm (36).

8. A high current connector facilitating locking and unlocking according to claim 1, wherein: the utility model discloses a wire end module, including knob switch (3), line end module (1), rotary limiting convex column (38) inboard is provided with, the cooperation is provided with to line end module (1) lateral part the rotary limiting concave position (12) of rotary limiting convex column (38), rotary limiting convex column (38) extend and enter into in the rotary limiting concave position (12) and by the lateral wall spacing of rotary limiting concave position (12).