CN219321667U

CN219321667U - Central needle of coaxial connector

Info

Publication number: CN219321667U
Application number: CN202223533627.2U
Authority: CN
Inventors: 刘任堂; 黄燕; 黄榕彬
Original assignee: Pinyuan Precision Electronics Dongguan Co ltd
Current assignee: Pinyuan Precision Electronics Dongguan Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-07-07
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a coaxial connector center needle, and relates to the technical field of coaxial connector center needles. The coaxial connector center needle comprises a coaxial connector, wherein an anti-skid block is fixedly connected to the outer wall of the coaxial connector, a thread groove is formed in the inner wall of the outer end of the coaxial connector, a fixing seat is fixedly connected to the inner part of the coaxial connector, the center needle is inserted into the inner wall of the fixing seat, an adjusting mechanism is arranged in the coaxial connector, the adjusting mechanism comprises a movable ring, a skid block, a clamping groove and a torsion spring, and the clamping groove is formed in the inner wall of the fixing seat. This device is through rotating the center needle before connecting, can make the center needle remove in the draw-in groove of difference to can adjust the length that the center needle stretches out, so that be applicable to the different circumstances, avoid the center needle overlength or too short to lead to the center needle to receive damage or the connection signal is unstable.

Description

Central needle of coaxial connector

Technical Field

The utility model relates to the technical field of coaxial connector center needles, in particular to a coaxial connector center needle.

Background

The coaxial connector is a widely used device in electronic component products, and is mainly characterized in that signals transmitted by the connector are radio frequency signals, and the coaxial connector is generally composed of an outer conductor, an insulator and a center pin.

When the coaxial connectors are in butt joint, the central needle is required to be spliced with the connecting sleeve of the connector, and then the coaxial connectors are fixedly connected.

The length that the center pin of current coaxial connector stretches out is relatively fixed, and on the one hand when pegging graft with the connector, the center pin overlength easily causes the damage to the center pin at the in-process of connecting, and the center pin is too short then leads to connecting signal's unstability easily, and on the other hand, there is the gap in the junction of current connector easily, leads to water, dust etc. to enter into the junction through the dust easily, influences the stability of connection and the life of center pin.

Disclosure of Invention

(one) solving the technical problems

In order to overcome the defects in the prior art, the utility model provides a coaxial connector center pin which solves the problems mentioned in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the coaxial connector central needle comprises a coaxial connector, wherein an anti-skid block is fixedly connected to the outer wall of the coaxial connector, a thread groove is formed in the inner wall of the outer end of the coaxial connector, a fixing seat is fixedly connected to the inside of the coaxial connector, the central needle is inserted into the inner wall of the fixing seat, and an adjusting mechanism is arranged in the coaxial connector;

the adjusting mechanism comprises a movable ring, a sliding block, a clamping block, clamping grooves and torsion springs, wherein the clamping grooves are formed in the inner wall of the fixed seat, a plurality of groups of clamping grooves are formed in the clamping grooves and are arranged along the array of the fixed seat, and the clamping grooves are mutually communicated.

Preferably, a clamping block is clamped in the clamping groove.

Preferably, the outer wall of the center needle is fixedly connected with one end of the torsion spring, and the other end of the torsion spring is fixedly connected to the inner wall of the movable ring.

Preferably, the movable ring penetrates through the center needle, and a sliding block is fixedly connected to the outer wall of the movable ring.

Preferably, the outer wall sliding connection of slider is on the inner wall of spout, the spout is seted up on the inner wall of fixing base.

Preferably, a guide rod is fixedly connected to the outer part of the coaxial connector.

Preferably, the end of the guide rod is fixedly connected with a limiting block, and the outer wall of the guide rod is connected with a protecting sleeve in a sliding manner.

Preferably, a friction pad is arranged at the joint of the protective sleeve and the guide rod.

(III) beneficial effects

The utility model provides a coaxial connector center pin. The beneficial effects are as follows:

(1) When the coaxial connector central needle is used, the central needle can be moved into different clamping grooves by rotating the central needle before connection through the arrangement of the adjusting mechanism, so that the length of the central needle extending out can be adjusted, the coaxial connector central needle is convenient to be suitable for different conditions, and the central needle is prevented from being damaged or unstable in connection signals due to overlong or too short central needle.

(2) When the coaxial connector central needle is used, the adjusting mechanism is arranged, so that the coaxial connector central needle can effectively block a gap at the joint by moving the protective sleeve and moving the protective sleeve to the joint after being connected, and therefore dust and water can be prevented from entering the interior, and the service life is influenced.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic cross-sectional perspective view of a fixing base of the present utility model;

fig. 3 is a schematic cross-sectional perspective view of the fixing base of the present utility model.

In the figure: 1. a coaxial connector; 2. an anti-skid block; 3. an adjusting mechanism; 4. a thread groove; 5. a center needle; 6. a fixing seat; 31. a protective sleeve; 32. a guide rod; 33. a limiting block; 34. a clamping groove; 35. a moving ring; 36. a torsion spring; 37. a slide block; 38. a chute; 39. and (5) clamping blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model provides a coaxial connector center pin, which comprises a coaxial connector 1, wherein an anti-slip block 2 is fixedly connected to the outer wall of the coaxial connector 1, a horizontal groove is formed on the anti-slip block 2 to increase the friction force when the coaxial connector 1 is rotated during connection, a thread groove 4 is formed at the inner wall of the outer end of the coaxial connector 1, a fixed seat 6 is fixedly connected inside the coaxial connector 1, a center pin 5 is inserted on the inner wall of the fixed seat 6, connection is formed by inserting the center pin 5 into an interface, and an adjusting mechanism 3 is arranged inside the coaxial connector 1;

the adjusting mechanism 3 comprises a moving ring 35, a sliding block 37, a clamping block 39, clamping grooves 34 and a torsion spring 36, wherein the clamping grooves 34 are formed in the inner wall of the fixed seat 6, a plurality of groups of clamping grooves 34 are formed in an array mode along the fixed seat 6, the clamping grooves 34 are mutually communicated, the clamping block 39 can be moved into the other group of clamping grooves 34 through the communicating part, and therefore the extending length of the central needle 5 can be adjusted.

Further, the inside joint of draw-in groove 34 has fixture block 39, and the outer wall fixed connection of fixture block 39 is on the outer wall of center needle 5, and when fixture block 39 and draw-in groove 34 looks joint, can inject the horizontally position of fixture block 39 to can inject the length that center needle 5 stretches out, adjust the length after in order to better pegging graft with the parent.

Further, the outer wall of the center needle 5 is fixedly connected with one end of the torsion spring 36, the other end of the torsion spring 36 is fixedly connected to the inner wall of the moving ring 35, the capability of rotating and resetting the center needle 5 is provided through the elasticity of the torsion spring 36, and the torsion spring 36 always maintains the clamping block 39 and the bottom of the clamping groove 34 in a state of being not influenced by external force.

Further, the moving ring 35 penetrates through the center needle 5, the outer wall of the moving ring 35 is fixedly connected with a sliding block 37, the outer wall of the sliding block 37 is slidably connected to the inner wall of a sliding groove 38, the sliding block 37 can move horizontally along the sliding groove 38, the sliding groove 38 is formed in the inner wall of the fixed seat 6, the position of the moving ring 35 can be limited to a certain extent through the sliding groove 38 and the sliding block 37, and therefore the moving ring 35 can be prevented from rotating, and the resetting capability of the center needle 5 can be provided.

Further, fixedly connected with guide bar 32 on the outside of coaxial connector 1, the terminal fixedly connected with stopper 33 of guide bar 32, sliding connection has lag 31 on the outer wall of guide bar 32, the junction of lag 31 and guide bar 32 is provided with friction pad and improves the frictional force between it, unless external force promotes, otherwise can not produce the removal, stopper 33 can effectually avoid lag 31 to break away from with coaxial connector 1, remove the junction of coaxial connector 1 with it through removing lag 31, can play the effect of effectual protection.

In the utility model, when the coaxial connector 1 and an external connector are rotated through the thread groove 4 and are mutually connected and fixed, the protective sleeve 31 is moved at the moment, so that the protective sleeve 31 is moved to the position of the connecting position of the coaxial connector 1, the connecting position can be protected, before the protective sleeve, the central needle 5 drives the clamping block 39 to move to the communicating position of the clamping groove 34 through rotating the central needle 5 anticlockwise according to actual conditions, the length of the fixed seat 6 can be manually controlled at the moment, after the protective sleeve is moved to the corresponding position, the central needle 5 is loosened, the central needle 5 is reset through the elasticity of the torsion spring 36, the clamping block 39 is clamped into the corresponding clamping groove 34 again, and the position of the central needle 5 is fixed, so that the actual extending distance of the central needle 5 can be adjusted, and the aim of better adapting to the connector is fulfilled.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A coaxial connector center pin comprising a coaxial connector (1), characterized in that: the anti-skid device is characterized in that an anti-skid block (2) is fixedly connected to the outer wall of the coaxial connector (1), a thread groove (4) is formed in the inner wall of the outer end of the coaxial connector (1), a fixing seat (6) is fixedly connected to the inside of the coaxial connector (1), a central needle (5) is inserted into the inner wall of the fixing seat (6), and an adjusting mechanism (3) is arranged in the coaxial connector (1);

the adjusting mechanism (3) comprises a moving ring (35), a sliding block (37), a clamping block (39), clamping grooves (34) and torsion springs (36), wherein the clamping grooves (34) are formed in the inner wall of the fixing base (6), multiple groups of clamping grooves (34) are arranged along the array of the fixing base (6), and the clamping grooves (34) are mutually communicated.

2. A coaxial connector center pin according to claim 1, wherein: the clamping groove (34) is internally clamped with a clamping block (39).

3. A coaxial connector center pin according to claim 1, wherein: the outer wall of the center needle (5) is fixedly connected with one end of a torsion spring (36), and the other end of the torsion spring (36) is fixedly connected to the inner wall of the movable ring (35).

4. A coaxial connector center pin according to claim 1, wherein: the movable ring (35) penetrates through the center needle (5), and a sliding block (37) is fixedly connected to the outer wall of the movable ring (35).

5. A coaxial connector center pin according to claim 1, wherein: the outer wall of the sliding block (37) is connected to the inner wall of the sliding groove (38) in a sliding mode, and the sliding groove (38) is formed in the inner wall of the fixing seat (6).

6. A coaxial connector center pin according to claim 1, wherein: a guide rod (32) is fixedly connected to the outer part of the coaxial connector (1).

7. A coaxial connector center pin according to claim 6, wherein: the end of the guide rod (32) is fixedly connected with a limiting block (33), and the outer wall of the guide rod (32) is connected with a protective sleeve (31) in a sliding manner.

8. A coaxial connector center pin according to claim 7, wherein: the friction pad is arranged at the joint of the protective sleeve (31) and the guide rod (32).