CN212676533U

CN212676533U - Low insertion force type connector

Info

Publication number: CN212676533U
Application number: CN202021870981.2U
Authority: CN
Inventors: 许永波; 何仲祺; 陈灿斌
Original assignee: Suzhou Huayang Aerospace Electric Co Ltd
Current assignee: Suzhou Huayang Aerospace Electric Co Ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-03-09
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a low insertion force type connector. The locking and separating integrated device comprises a plug connector and a socket connector which are matched for use, wherein a clamping pin is arranged on the plug connector, a cam shaft is arranged on the socket connector, the cam shaft comprises a cam main body and a driving rod connected with the cam main body, a locking and separating integrated device is arranged on the cam main body, the locking and separating integrated device comprises a transmission gear and a hook-shaped element connected with the transmission gear, a convex surface is arranged on the hook-shaped element, and the clamping pin can be connected with the hook-shaped element. The connector of the utility model pushes a plurality of contact elements to make the contact elements deflect and deflect along with the rotation of the camshaft in the shell, thereby realizing the joint with low insertion force; the cam shaft rotates the lock release integrated device and causes the mating connector to be locked after being pulled into the fully engaged state from the engagement depth before the full engagement, and by this locking, the fully engaged state can be maintained.

Description

Low insertion force type connector

Technical Field

The utility model relates to a low insertion force type connector belongs to connector technical field.

Background

As the number of contacts of the connector increases, the insertion force and the separation force required for the mating use of the connector also increase, and the insertion and separation operation becomes difficult. Thus, a low Insertion force type connector, such as a known zif (zero Insertion force) connector, is proposed, which does not require a strong force when inserting a connector part and presses contacts against a connection part after inserting the connector part, thereby achieving electrical connection.

Patent document 1 discloses a low insertion force type connector. The low insertion force type connector has a plurality of contacts to be brought into contact with terminals of a mating connector, a contact promoting means in the shape of a first cam member, a separating means in the shape of a second cam member, a locking means in the shape of a hook member, and a driving means. The drive means integrally drives the contact promoting means as well as a separating means and a locking means.

Patent document 1 discloses: cams (second cam members, i.e., separating means) are formed at both ends of the main body (molded on the shaft by the clip), and hook-shaped members (locking means) are formed outside the diameter-reduced portions; the cam may be integral with the shaft or a separate cam can be used, the hook-shaped element being connected to the shaft as a separate element. It follows that the cam (disengaging means) and the hook-shaped element (locking means) are two distinct entities, integrally formed on the shaft.

Patent document 1: CN1251361C low insertion force type connector.

SUMMERY OF THE UTILITY MODEL

In order to overcome the deficiencies of the prior art, the utility model provides a low insertion force type connector.

The utility model discloses a realize through following technical scheme:

a low insertion force type connector comprises a plug connector and a socket connector which are matched for use, wherein a clamping pin is arranged on the plug connector, a cam shaft is arranged on the socket connector and comprises a cam main body and a driving rod connected with the cam main body, a locking and separating integrated device is arranged on the cam main body and comprises a transmission gear and a hook-shaped element connected with the transmission gear, a convex surface is arranged on the hook-shaped element, and the clamping pin can be connected with the hook-shaped element.

In the low insertion force type connector, the hook-shaped element has a center hole, and the center hole is coaxially arranged with a center hole of a transmission gear, and the transmission gear drives the hook-shaped element to rotate.

The low insertion force type connector has a hook member having a body and a hook portion, the body and hook portion having an included angle of less than 30 °.

In the low insertion force type connector, the joint of the body and the hook part can accommodate the snap pin.

In the low insertion force type connector, two locking and separating integrated devices are respectively arranged on two sides of the cam main body.

The low insertion force type connector is characterized in that a locking screw is further arranged on the socket connector.

The utility model discloses the beneficial effect who reaches:

the connector of the utility model pushes a plurality of contact elements to make the contact elements deflect and deflect along with the rotation of the camshaft in the shell, thereby realizing the joint with low insertion force; the cam shaft rotates the lock release integrated device and causes the mating connector to be locked after being pulled into the fully engaged state from the engagement depth before the full engagement, and by this locking, the fully engaged state can be maintained.

The utility model discloses on the component with separator's function integration to locking device, thereby form the integrative device of locking separation and cancel solitary separator, reduce part quantity, save the cost. The original machining precision completely meets the requirements after the functions are integrated, the cost of parts does not need to be increased, the cost for independently machining the cam (separating device) is saved, and the labor cost for assembling the cam and the shaft is saved. Because the functional surface (the convex surface with the separation function) of the cam has higher processing precision, the unit price of the batch processing cost is about 3 yuan, 4 cams are saved by a single connector, the labor cost for assembly is not calculated, the estimated cost of the connector can be reduced by 12 yuan, and compared with the prior art, the cam has prominent substantive characteristics and remarkable progress.

Drawings

Fig. 1 is a schematic view of a plug connector and a receptacle connector according to the present invention.

Fig. 2 is a schematic view of the engaging pin of the plug connector according to the present invention.

Fig. 3 is a schematic view of the locking and separating integrated device of the present invention disposed on the socket connector.

Fig. 4 is an exploded schematic view of the receptacle connector of the present invention.

Fig. 5 is a schematic view of a cam shaft on the receptacle connector of the present invention.

Fig. 6 is a schematic view of the locking and separating mechanism of the plug connector and the receptacle connector of the present invention.

Fig. 7 is a schematic view of the engagement of plug connector and receptacle connector contacts according to the present invention.

Detailed Description

The present invention is further described below. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 5, the connector of the present invention includes a plug connector 1 and a receptacle connector 2. The plug connector 1 comprises a clamping pin 1-1 and a plurality of terminals 1-2 which are regularly arranged, and the socket connector 2 comprises a shell 2-1, a cam shaft 2-2, an upper base 2-3, a locking screw 2-4 and a contact element assembly 2-5.

The contact assembly 2-5 is arranged corresponding to the plurality of terminals 1-2; the camshaft 2-2 can freely rotate for a certain angle in the shell 2-1; the middle part of the camshaft 2-2 is provided with a cam body 2-2-3, and the cam body rotates along with the rotation of the camshaft 3-3 so as to press the contact part assembly 2-5 to make deflection, thereby contacting a plurality of terminals to realize electric connection.

The camshaft 2-2 comprises a driving rod 2-2-1, a locking and separating integrated device 2-2-2 and a cam main body 2-2-3. Wherein the locking and separating integrated device 2-2-2 comprises a hook-shaped element (locking guide function) 2-2-2-1, a convex surface (separation function) 2-2-2-2 and a transmission gear 2-2-2-4; the hook-shaped element is provided with a body and a hook part, the included angle between the body and the hook part is less than 30 degrees, and the joint of the body and the hook part, namely the hook-shaped element bottom part (locking function) 2-2-2-3 can accommodate the clamping pin 1-1.

As shown in fig. 6, (a) is a schematic view of the contact (separated state) between the protruding surface 2-2-2-2 and the bottom surface of the engaging pin 1-1 after the plug connector 1 is inserted into the housing 2-1, and a gap is formed between the plug connector 1 and the receptacle connector 2; (b) for the schematic illustration of the contact (locking state) between the bottom 2-2-2-3 of the hook-shaped element and the top surface of the engaging pin 1-1 after the plug connector 1 of the present invention is inserted into the housing 2-1, there is no gap between the plug connector 1 and the socket connector 2. When the plug connector 1 is in a separated state, the driving rod 2-2-1 is rotated to drive the locking and separating integrated device 2-2-2 to rotate, the hook-shaped element 2-2-2-1 of the locking and separating integrated device 2-2-2 gradually draws the clamping pin 1-1 into the bottom 2-2-2-3 of the hook-shaped element, and the plug connector 1 is locked with the socket connector 2.

As shown in fig. 7, (a) is a schematic diagram of the contact engagement in the separated state after the plug connector 1 of the present invention is inserted into the housing 2-1, and the contact assembly 2-5 is not in contact with the terminal 1-2; (b) for the contact piece joint schematic diagram of the locking pile state after the plug connector 1 of the utility model is inserted into the shell 2-1, the contact piece assembly 2-5 is contacted with the terminal 1-2 to realize the electric connection. When the driving rod 2-2-1 rotates, the cam main body 2-2-3 rotates along with the driving rod, the contact piece assembly 2-5 is pressed to be bent, and the head of the contact piece assembly 2-5 is outwards expanded and deviated to be in contact with the terminal 1-2 and locked.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. The low insertion force type connector comprises a plug connector and a socket connector which are matched for use, and is characterized in that a clamping pin is arranged on the plug connector, a cam shaft is arranged on the socket connector, the cam shaft comprises a cam main body and a driving rod connected with the cam main body, a locking and separating integrated device is arranged on the cam main body, the locking and separating integrated device comprises a transmission gear and a hook-shaped element connected with the transmission gear, a convex surface is arranged on the hook-shaped element, and the clamping pin can be connected with the hook-shaped element.

2. The low insertion force type connector of claim 1, wherein said hook-shaped member has a center hole, and the center hole thereof is coaxially disposed with a center hole of a transmission gear, said transmission gear rotating said hook-shaped member.

3. A low insertion force type connector as claimed in claim 2, wherein said hook-shaped member has a body and a hook portion, and an included angle between said body and said hook portion is less than 30 °.

4. A low insertion force type connector as claimed in claim 3, wherein said engagement pin is received in a junction of said body and said hook portion.

5. A low insertion force type connector as claimed in claim 1, wherein said cam body is provided with a lock-release integrated means on both sides thereof.

6. The low insertion force type connector of claim 1, wherein a locking screw is further provided on said receptacle connector.