CN218415261U

CN218415261U - Multi-point contact bayonet type electric connector

Info

Publication number: CN218415261U
Application number: CN202121699033.1U
Authority: CN
Inventors: 钟道智
Original assignee: Shaoxing Hang Shao Electrical Connector Co ltd
Current assignee: Shaoxing Hang Shao Electrical Connector Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2023-01-31
Anticipated expiration: 2031-07-26

Abstract

A multi-point contact bayonet type electric connector belongs to the technical field of electric connectors. The utility model discloses a socket and plug, plug include plug housing, connector cap, jack insulator and jack, have seted up four grooves of cleaving along the axial on the pore wall of jack front end, cleave the groove and evenly set up along jack circumference, are equipped with spacing spring mounting groove on the pore wall of jack front end, install spacing spring in the spacing spring mounting groove, and the socket includes socket housing, contact pin and contact pin insulator. The utility model discloses in, evenly set up four groove of cleaving through the front end at the jack, make the contact point of jack increase for four, increased the contact surface, improved the elastic deformation ability of jack, jack elasticity is good, makes the electric connector plug soft, cooperatees with spacing spring simultaneously, and on the one hand, spacing spring produces normal pressure to the contact pin, makes contact pin and jack reliably contact, and on the other hand can restrict the elastic deformation degree of jack.

Description

Multi-point contact bayonet type electric connector

Technical Field

The utility model belongs to the technical field of the electric connector, specifically relate to a multiple spot contact bayonet type electric connector.

Background

The electrical connector is an indispensable component in electronic equipment, the application field is more and more extensive, the forms and structures of the electrical connector are diversified, and the electrical connector has various different structural forms along with different application objects, frequencies, power, application environments and the like. In the prior art, an electrical connector mainly comprises a plug and a socket, wherein the plug is provided with a jack, the socket is provided with a contact pin, and the plug and the socket are communicated with each other through the jack and the contact pin.

As shown in fig. 9 and 10, two splitting grooves are axially formed on the hole wall of the conventional jack, and the hole wall of the jack is divided into two contact pieces by the splitting grooves, that is, only two contact points of the jack are provided, the elastic deformation capability of the jack is poor, and the elasticity of the jack is small, so that the plugging force of the jack is too large, the service lives of the jack and a contact pin are affected, and the working reliability of the electrical connector is affected.

Therefore, a new solution is needed to solve this problem.

Disclosure of Invention

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide a multiple spot contact bayonet type electric connector.

The above technical problem of the present invention can be solved by the following technical solutions: a multi-point contact bayonet type electric connector comprises a socket and a plug, wherein the plug comprises a plug shell, a connecting clamp cap, a jack insulator and a jack, the jack insulator is arranged in the plug shell, the jack is axially arranged in the jack insulator, four splitting grooves are axially formed in the hole wall of the front end of the jack and are uniformly arranged along the circumferential direction of the jack, a limiting spring mounting groove is formed in the hole wall of the front end of the jack, a limiting spring is mounted in the limiting spring mounting groove, the connecting clamp cap is axially arranged in the plug shell, a connecting groove for the socket to insert is formed between the connecting clamp cap and the plug shell, a plurality of limiting blocks are circumferentially and unequally arranged on the outer wall of the plug shell, and a plurality of first clamping pin grooves are circumferentially and equally arranged on the inner wall of the connecting clamp cap; the socket comprises a socket shell, a contact pin and a contact pin insulator, wherein the contact pin insulator is installed in the socket shell, the contact pin is axially installed in the contact pin insulator and corresponds to a jack, a limiting groove corresponding to a limiting block is formed in the inner wall of the socket shell, a clamping pin corresponding to a first clamping pin groove is arranged on the outer wall of the socket shell, the socket shell is clamped in a connecting groove of the plug shell, the clamping pin is inserted into the first clamping pin groove, and the limiting block is inserted into the limiting groove.

Preferably, the connecting clamp cap is internally provided with a waveform reed, a gasket and a large retainer ring from inside to outside in sequence, and the waveform reed, the gasket and the large retainer ring are all sleeved with the plug shell.

Preferably, the jack and the contact pin are respectively provided with a positioning spring and a positioning ring in the axial direction.

Preferably, the contact pin insulator is sleeved with a first sealing ring.

Preferably, the front end of the socket shell is detachably sleeved with a dust cover, a second clamping pin groove corresponding to the clamping pin is formed in the inner wall of the dust cover, and a second sealing ring is arranged in the dust cover.

Preferably, the outer wall of the dust cover is provided with a rivet, the rivet is connected with a chain, the rear end of the socket shell is sleeved with a sealing gasket and a fixing plate, the socket shell, the sealing gasket and the fixing plate are fixedly connected through screws, and the end part of the chain is connected with the screws.

Preferably, a cable sheath is arranged at the end part of the plug shell, a cable cover is axially arranged on the cable sheath, and the cable sheath is connected with the plug shell through the cable cover.

Preferably, a small retainer ring is arranged at the joint of the plug shell and the cable sheath.

Preferably, a bushing is arranged at the joint of the cable sheath and the cable cover.

The utility model discloses beneficial effect who has: the utility model discloses in, evenly set up four groove of cleaving through the front end at the jack, make the contact point of jack increase for four, increased the contact surface, improved the elastic deformation ability of jack, jack elasticity is good, makes the electric connector plug soft, cooperatees with spacing spring simultaneously, and on the one hand, spacing spring produces positive pressure to the contact pin, makes contact pin and jack reliably contact, and on the other hand can restrict the elastic deformation degree of jack. The utility model is provided with the dustproof cover at the front end of the socket shell in a detachable way, when the plug is butted with the socket, the dustproof cover is taken down, and the butting operation of the plug and the socket can be carried out; when the plug is separated from the socket, the socket can be subjected to dustproof treatment by utilizing the dustproof cover, and foreign matters such as dust are prevented from entering the socket, so that the performance of the electric connector is influenced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the plug of the present invention;

fig. 3 is a right-side view schematic structural diagram of the plug of the present invention;

fig. 4 is a schematic structural view of the jack of the present invention;

fig. 5 is a right-side view structural schematic diagram of the jack of the present invention;

fig. 6 is a schematic view of a connection structure of the jack and the limiting spring according to the present invention;

fig. 7 is a schematic structural diagram of the socket of the present invention;

fig. 8 is a left side view of the socket (with the dust cover removed) according to the present invention;

FIG. 9 is a schematic view of a prior art jack;

fig. 10 is a right-side view of a conventional jack.

In the figure: 1. a plug; 2. a socket; 3. a plug housing; 4. connecting a clamping cap; 5. a jack insulator; 6. a jack; 7. splitting a groove; 8. a limiting spring mounting groove; 9. a limiting spring; 10. connecting grooves; 11. a limiting block; 12. a first latch slot; 13. a socket housing; 14. inserting a pin; 15. a pin insulator; 16. a limiting groove; 17. a bayonet lock; 18. a wave-shaped reed; 19. a gasket; 20. a large retainer ring; 21. a positioning spring; 22. a positioning ring; 23. a first seal ring; 24. a dust cover; 25. a second latch slot; 26. a second seal ring; 27. riveting; 28. a chain; 29. a sealing gasket; 30. a fixing plate; 31. a screw; 32. a cable jacket; 33. a cable cover; 34. a small retainer ring; 35. a bushing.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): a multi-point contact bayonet type electric connector is shown in figures 1-8 and comprises a socket 2 and a plug 1 which are mutually butted, wherein the plug 1 comprises a plug shell 3, a connecting card cap 4, a jack insulator 5 and a jack 6, the jack insulator 5 is installed in the plug shell 3, the jack 6 is axially installed in the jack insulator 5, the connecting card cap 4 is axially installed in the plug shell 3, a connecting groove 10 for the socket 2 to be inserted is formed between the connecting card cap 4 and the plug shell 3, a plurality of limiting blocks 11 are arranged on the outer wall of the plug shell 3 in a non-uniform distribution mode in the circumferential direction, and a plurality of first clamping pin grooves 12 are arranged on the inner wall of the connecting card cap 4 in a uniform distribution mode in the circumferential direction; the socket 2 comprises a socket shell 13, a contact pin 14 and a contact pin insulator 15, the contact pin insulator 15 is installed in the socket shell 13, the contact pin 14 is axially installed in the contact pin insulator 15 and corresponds to the jack 6, a limiting groove 16 corresponding to a limiting hole is formed in the inner wall of the socket shell 13, a clamping pin 17 corresponding to the first clamping pin groove 12 is arranged on the outer wall of the socket shell 13, when the plug 1 is in butt joint with the socket 2, the socket shell 13 is clamped in the connecting groove 10 of the plug shell 3, the clamping pin 17 is inserted into the first clamping pin groove 12, the limiting block 11 is inserted into the limiting groove 16, and therefore fixed butt joint of the plug 1 and the socket 2 is achieved, meanwhile, the contact pin 14 is inserted into the jack 6, and the plug 1 is communicated with the socket 2.

Four splitting grooves 7 are axially formed in the hole wall of the front end of the jack 6, the splitting grooves 7 are evenly arranged along the circumferential direction of the jack 6, the splitting grooves 7 are rectangular grooves, the openings of the splitting grooves 7 are arranged in the same direction as the openings of the jack 6, a limiting spring mounting groove 8 is formed in the hole wall of the front end of the jack 6, the limiting spring mounting groove 8 is an annular groove, a limiting spring 9 is mounted in the limiting spring mounting groove 8, and the jack 6 is sleeved with the limiting spring 9. Through setting up four split groove 7, make the contact point of jack 6 increase for four, not only increased the contact surface, improved jack 6's elastic deformation ability moreover, jack 6 elasticity is good, cooperatees with spacing spring 9 simultaneously, and on the one hand, spacing spring 9 produces positive pressure to contact pin 14, makes contact pin 14 and jack 6 reliably contact, and on the other hand can restrict the elastic deformation degree of jack 6.

As shown in fig. 3 and 8, in this embodiment, the number of the limiting blocks 11 is five, and an included angle between two adjacent limiting blocks 11 is (clockwise): 105 degrees, 35 degrees, 75 degrees, 50 degrees and 95 degrees, the limiting grooves 16 correspond to the limiting blocks 11, so that the included angle between every two adjacent limiting grooves 16 is (clockwise): 95 °, 50 °, 75 °, 35 °, and 105 °. The number of the first bayonet lock grooves 12 is three, the included angle between two adjacent first bayonet lock grooves 12 is 120 degrees, the bayonet lock 17 corresponds to the first bayonet lock grooves 12, and therefore, the included angle between two adjacent bayonet lock grooves 17 is 120 degrees. The limit block 11 and the limit groove 16 are arranged in unequal intervals, and the bayonet 17 and the first bayonet groove 12 are arranged in equal intervals, so that the butt joint direction of the plug 1 and the socket 2 is unique.

The plug is characterized in that a waveform reed 18, a gasket 19 and a large retainer ring 20 are sequentially arranged in the connecting clamp cap 4 from inside to outside, and the plug shell 3 is sleeved with the waveform reed 18, the gasket 19 and the large retainer ring 20. The plug housing 3 and the connecting clip 4 can be connected in a sealing manner by means of the large securing ring 20.

And the jack 6 and the pin 14 are both axially provided with a positioning spring 21 and a positioning ring 22, and the mounting positions of the jack 6 and the pin 14 can be fixed by utilizing the positioning spring 21 and the positioning ring 22.

The pin insulator 15 is sleeved with a first sealing ring 23, and by arranging the first sealing ring 23, on one hand, when the plug 1 and the socket 2 are in butt joint, impact force generated when the socket shell 13 is inserted into the connecting groove 10 can be relieved, and on the other hand, the plug 1 and the socket 2 are enabled to be in sealed butt joint.

A dust cover 24 is detachably sleeved at the front end of the socket shell 13, a second bayonet slot 25 corresponding to the bayonet 17 is arranged on the inner wall of the dust cover 24, and a second sealing ring 26 is arranged in the dust cover 24; the outer wall of the dust cover 24 is provided with a rivet 27, the rivet 27 is connected with a chain 28, the rear end of the socket housing 13 is sleeved with a sealing gasket 29 and a fixing plate 30, the sealing gasket 29 is positioned between the socket housing 13 and the fixing plate 30, the socket housing 13, the sealing gasket 29 and the fixing plate 30 are fixedly connected through a screw 31, and the end of the chain 28 is connected with the screw 31.

A dust cover 24 is detachably mounted at the front end of the socket shell 13, and when the plug 1 is butted with the socket 2, the dust cover 24 is removed, so that the butting operation of the plug 1 and the socket 2 can be carried out; when the plug 1 and the socket 2 are separated, the socket 2 can be subjected to dust-proof treatment by using the dust-proof cover 24, and foreign matters such as dust are prevented from entering the socket 2, thereby affecting the performance of the electrical connector. The installation of the dust cover 24 is positioned by the matching of the bayonet 17 and the second bayonet slot 25; by arranging the second sealing ring 26, the dust cover 24 and the socket shell 13 are sealed, and dust is prevented from entering the socket 2; the rivet 27, the chain 28 and the screw 31 are matched to play a role of anti-lost, so that the dust cover 24 is prevented from being lost.

The plug comprises a plug shell 3 and is characterized in that a cable sheath 32 is arranged at the end of the plug shell 3, a cable cover 33 is axially arranged on the cable sheath 32, the cable sheath 32 is connected with the plug shell 3 through the cable cover 33, a small retainer ring 34 is arranged at the joint of the plug shell 3 and the cable sheath 32, and a bushing 35 is arranged at the joint of the cable sheath 32 and the cable cover 33. When the cable is connected to the jack 6, the cable passes into the cable sheath 32 and is soldered to the jack 6, so that the cable is in communication with the jack 6. The plug shell 3 and the cable sheath 32 are connected in a sealing way by arranging a small retainer ring 34; the cable sheath 32 and the cable cover 33 are sealingly connected by the provision of a bushing 35.

To sum up, the utility model discloses in, evenly set up four groove of cleaving through the front end at the jack, make the contact point of jack increase for four, increased the contact surface, improved the elastic deformation ability of jack, jack elasticity is good, makes the electric connector plug soft, cooperatees with spacing spring simultaneously, and on the one hand, spacing spring produces positive pressure to the contact pin, makes contact pin and jack reliably contact, and on the other hand can restrict the elastic deformation degree of jack. The utility model is provided with the dustproof cover at the front end of the socket shell in a detachable way, when the plug is butted with the socket, the dustproof cover is taken down, and the butting operation of the plug and the socket can be carried out; when the plug is separated from the socket, the socket can be subjected to dustproof treatment by utilizing the dustproof cover, and foreign matters such as dust are prevented from entering the socket, so that the performance of the electric connector is influenced.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention should be considered as belonging to the protection scope of the present invention.

Claims

1. A multi-point contact bayonet type electric connector comprises a socket and a plug and is characterized in that the plug comprises a plug shell, a connecting clamp cap, a jack insulator and jacks, the jack insulator is installed in the plug shell, the jacks are axially installed in the jack insulator, four splitting grooves are axially formed in the hole wall of the front end of each jack and are uniformly arranged along the circumferential direction of each jack, a limiting spring installation groove is formed in the hole wall of the front end of each jack, a limiting spring is installed in each limiting spring installation groove, the connecting clamp cap is axially installed in the plug shell, a connecting groove for inserting the socket is formed between the connecting clamp cap and the plug shell, a plurality of limiting blocks are circumferentially and unequally arranged on the outer wall of the plug shell, and a plurality of first clamping pin grooves are circumferentially and unequally arranged on the inner wall of the connecting clamp cap; the socket comprises a socket shell, a contact pin and a contact pin insulator, wherein the contact pin insulator is installed in the socket shell, the contact pin is axially installed in the contact pin insulator and corresponds to a jack, a limiting groove corresponding to a limiting block is formed in the inner wall of the socket shell, a clamping pin corresponding to a first clamping pin groove is arranged on the outer wall of the socket shell, the socket shell is clamped in a connecting groove of the plug shell, the clamping pin is inserted into the first clamping pin groove, and the limiting block is inserted into the limiting groove.

2. The electrical connector of claim 1, wherein the connecting cap has a wave spring, a washer and a large retainer ring, and the wave spring, the washer and the large retainer ring are all sleeved on the plug housing.

3. The electrical multi-contact bayonet connector of claim 1, wherein said socket and said pin are axially mounted with a retaining spring and a retaining ring.

4. The multi-point contact bayonet electrical connector of claim 1, wherein the pin insulator sleeve is provided with a first sealing ring.

5. The multi-point contact bayonet-type electrical connector according to claim 1, wherein a dust cover is detachably sleeved at the front end of the socket housing, a second bayonet groove corresponding to the bayonet is formed in an inner wall of the dust cover, and a second sealing ring is arranged in the dust cover.

6. The electrical multi-point-contact bayonet connector as claimed in claim 5, wherein a rivet is disposed on an outer wall of the dust cover, the rivet is connected with a chain, a sealing gasket and a fixing plate are sleeved at a rear end of the socket housing, the sealing gasket and the fixing plate are fixedly connected with each other by screws, and ends of the chain are connected with the screws.

7. The electrical multi-contact bayonet connector of claim 1, wherein the plug housing has a cable sheath at an end thereof, the cable sheath axially receiving a cable cover, and the cable sheath and the plug housing are connected by the cable cover.

8. The electrical multi-contact bayonet connector of claim 7, wherein a small collar is provided at the junction of the plug housing and the cable sheath.

9. A multi-point contact bayonet electrical connector as claimed in claim 7, wherein the junction of the cable sheath and the cable cover is provided with a bush.