Self-locking differential connector assembly and differential plug and differential socket thereof

Abstract

The invention relates to a self-locking type differential connector assembly and a differential plug and a differential socket thereof, the self-locking type differential connector assembly comprises the differential plug and the differential socket, and the differential plug comprises a first inner conductor, an elastic piece, a first shell, a threaded sleeve and a connecting sleeve; the differential socket comprises a second inner conductor and a second shell; according to the differential plug and the differential socket, rotation prevention of the inner conductor and misplug prevention during plug and socket butt joint are achieved through the misplug prevention key and the misplug prevention key groove, the differential plug and the differential socket are pushed through the elastic piece after being in butt joint, the connecting sleeve and the threaded sleeve achieve self-locking through the tooth-shaped structure, and the reliability of signal transmission under high-frequency vibration of a product is guaranteed.

Description

Technical Field

[0001] The invention relates to the field of connectors, and in particular to a self-locking differential connector assembly and a differential plug and a differential socket thereof. Background Art

[0002] Traditional differential connectors are mostly installed and fixed by means of screw locking or threading. With the rapid development of the electronic components industry, the reliability of traditional differential connectors cannot meet the requirements of fast, reliable and convenient use, especially in environments with limited space or time. Therefore, replacing traditional connectors with self-locking connectors has become one of the development trends of the electronic components industry. Summary of the invention

[0003] The object of the present invention is to provide a self-locking differential connector assembly and a differential plug and a differential socket thereof, so as to solve the above-mentioned deficiencies in the prior art.

[0004] In order to achieve the above-mentioned purpose, the present invention provides the following technical solution: a differential plug, comprising a first inner conductor, an elastic member, a first shell, a screw sleeve, and a connecting sleeve; the screw sleeve and the connecting sleeve are axially sleeved on the first shell in sequence, the elastic member is sleeved on the first shell and arranged in the connecting sleeve, and provides an elastic force for axially locking the connecting sleeve and the screw sleeve.

[0005] The connecting sleeve is a hollow structure with openings at both ends; a tooth-shaped structure is provided at one end of the connecting sleeve, an elastic member receiving cavity is provided in the middle, and a clamping hole is provided at the other end.

[0006] The clamping hole is in an L-shaped structure; a clamping column is arranged on the first shell, and the clamping column passes through the clamping hole and is limited to the side wall of the clamping hole.

[0007] The screw sleeve is a hollow structure with two ends open; an internal thread is arranged in one end of the screw sleeve, and a second tooth structure is arranged in the other end; the first tooth structure is meshed and connected with the second tooth structure.

[0008] The first inner conductor is provided with an anti-error insertion key.

[0009] A differential socket comprises a second inner conductor and a second shell; an outer thread is arranged on the outside of one end of the second shell, and an anti-mis-insertion key slot is arranged on the inside of a corresponding end.

[0010] A self-locking differential connector assembly comprises the differential plug described in any one of the above items and the differential socket described in the above item; the pin contact of the differential plug and the jack contact of the differential socket are detachably electrically connected.

[0011] The anti-error insertion key of the first inner conductor is detachably plugged into the anti-error insertion key slot of the second shell; the internal thread of the screw sleeve is detachably screwed into the external thread of the second shell.

[0012] Insulating media are disposed in both the differential plug and the differential socket.

[0013] Compared with the prior art, the differential plug and differential socket provided by the present invention realize anti-rotation and anti-wrong insertion through anti-wrong insertion keys and anti-wrong insertion key slots. After the differential plug and the differential socket are docked, they are pushed by elastic parts, and the connecting sleeve and the screw sleeve realize self-locking through the tooth structure, thereby ensuring the reliability of signal transmission under high-frequency vibration and impact conditions of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of a differential plug structure provided by an embodiment of the present invention;

[0015] Figure 2 is a front view of a differential socket provided by an embodiment of the present invention;

[0016] Figure 3 FIG. 4 is a side view of a differential socket provided by an embodiment of the present invention.

[0017] In the figure, 1. differential plug; 2. differential socket;

[0018] 11. first housing; 12. first inner conductor; 13. screw sleeve; 14. connecting sleeve; 15. clamping column; 16. elastic member; 17. tooth structure 1; 18. tooth structure 2; 19. anti-mistake insertion key; 110. clamping hole;

[0019] 21. Second housing; 22. Second inner conductor; 23. Anti-misinsertion key slot. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0021] Example

[0022] like Figure 1 As shown, the present invention provides a differential plug, including a first inner conductor 12, an elastic member 16, a first shell 11, a screw sleeve 13, and a connecting sleeve 14; the screw sleeve 13 and the connecting sleeve 14 are axially sleeved on the first shell 11 in sequence, the elastic member 16 is sleeved on the first shell 11 and arranged in the connecting sleeve 14, and provides an elastic force for axially locking the connecting sleeve 14 and the screw sleeve 13.

[0023] In the embodiment of the present invention, the connecting sleeve 14 is a hollow structure with two ends open; a toothed structure 17 is provided at one end of the connecting sleeve 14, an elastic member accommodating cavity is provided in the middle, and a snap-in hole 110 is provided at the other end; in this embodiment, the elastic member 16 is a spring.

[0024] In the embodiment of the present invention, the clamping hole 110 is L-shaped; a clamping column 15 is provided on the first shell 11, the clamping column 15 passes through the clamping hole 110, and is limited to the side wall of the clamping hole 110; the clamping hole 110 reserves a movable range of the elastic member 16 along the axial position of the differential plug 1, so that the clamping column 15 of the connecting sleeve 14 can move in the clamping hole 110 along the axial position of the differential plug 1.

[0025] In the embodiment of the present invention, the screw sleeve 13 is a hollow structure with openings at both ends; an internal thread is provided in one end of the screw sleeve 13, and a toothed structure 18 is provided at the other end; the toothed structure 17 and the toothed structure 18 are meshed and connected; under the push of the elastic member 16, the connecting sleeve 14 and the screw sleeve 13 are locked through the toothed structure, thereby ensuring the reliability of signal transmission under high-frequency vibration and impact conditions of the product.

[0026] In the embodiment of the present invention, an anti-error insertion key 19 is provided on the first inner conductor 12 .

[0027] like Figure 2 , 3 As shown, the present invention provides a differential socket 2, including a second inner conductor 22 and a second shell 21; an external thread is arranged on the outside of one end of the second shell 21, and an anti-mis-insertion key slot 23 is arranged on the inside of the corresponding end.

[0028] The present invention also provides a self-locking differential connector assembly, comprising any of the above differential plugs 1 and the above differential sockets 2; the pin contacts of the differential plug 1 and the jack contacts of the differential sockets 2 are detachably electrically connected.

[0029] In the embodiment of the present invention, the anti-mistaken insertion key of the first inner conductor 12 is detachably plugged into the anti-mistaken insertion key slot of the second shell; the internal thread of the screw sleeve 13 is detachably screwed into the external thread of the second shell 21; the differential plug 1 and the differential socket 2 prevent the rotation of the inner conductor and the insulating medium through the key slot design, and can also achieve the purpose of preventing wrong insertion; after the differential plug 1 and the differential socket 2 are docked, the elastic member 16 pushes, and the connecting sleeve 14 and the screw sleeve 13 are locked through the toothed structure, which ensures the reliability of signal transmission under high-frequency vibration and impact conditions of the product.

[0030] In the embodiment of the present invention, both the differential plug 1 and the differential socket 2 are provided with insulating media.

[0031] It should be noted that the differential plug 1 and the differential socket 2 in the present invention are connected through a twisted wire pin contact and a jack contact. For example, the pin contact of the differential plug 1 in this embodiment is a four-core differential twisted wire pin contact, and the jack contact of the differential socket 2 is a four-core differential twisted wire jack contact.

[0032] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A differential plug, characterized in that: It includes a first inner conductor, an elastic member, a first shell, a screw sleeve, and a connecting sleeve; the screw sleeve and the connecting sleeve are axially sleeved on the first shell in sequence, the elastic member is sleeved on the first shell and arranged in the connecting sleeve, and provides an elastic force for axially locking the connecting sleeve and the screw sleeve.

2. The differential plug according to claim 1, wherein: The connecting sleeve is a hollow structure with openings at both ends; a tooth-shaped structure is provided at one end of the connecting sleeve, an elastic member receiving cavity is provided in the middle, and a clamping hole is provided at the other end.

3. The differential plug according to claim 2, wherein: The clamping hole is in an L-shaped structure; a clamping column is arranged on the first shell, and the clamping column passes through the clamping hole and is limited to the side wall of the clamping hole.

4. The differential plug according to claim 3, wherein: The screw sleeve is a hollow structure with two ends open; an internal thread is arranged in one end of the screw sleeve, and a second tooth structure is arranged in the other end; the first tooth structure is meshed and connected with the second tooth structure.

5. The differential plug according to claim 4, wherein: The first inner conductor is provided with an anti-error insertion key.

6. A differential socket, characterized in that: It comprises a second inner conductor and a second shell; an external thread is arranged on the outside of one end of the second shell, and an anti-mistake insertion key slot is arranged on the inside of a corresponding end.

7. A self-locking differential connector assembly, characterized in that: It comprises the differential plug as claimed in any one of claims 1 to 5 and the differential socket as claimed in claim 6; the pin contact of the differential plug and the jack contact of the differential socket are detachably electrically connected.

8. The self-locking differential connector assembly according to claim 7, wherein: The anti-error insertion key of the first inner conductor is detachably plugged into the anti-error insertion key slot of the second shell; the internal thread of the screw sleeve is detachably screwed into the external thread of the second shell.

9. The self-locking differential connector assembly according to claim 8, wherein: Insulating media are disposed in both the differential plug and the differential socket.

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