Interphone spring needle connector socket

Abstract

The utility model discloses an interphone spring needle connector socket, which relates to the technical field of electric connectors and comprises an upper cover and a lower cover, the lower cover is connected below the upper cover in a clamping manner, the bottom of the lower cover is connected with a fixing part in a clamping manner, the side surface of the fixing part is provided with a rubber pad, the middle part of the fixing part is provided with a guide hole, and the guide hole is communicated with the rubber pad. A spring needle is arranged in the guide hole, an inclined opening is formed in the tail end of the spring needle, a limiting block is fixedly connected to the outer ring of the spring needle, a needle head is fixedly connected to the front end of the spring needle, and the needle head is arranged in the guide hole. Compared with an existing common handheld interphone charger, the interphone spring needle connector socket has the advantages that the upper cover and the lower cover are mutually clamped and fixed, the two square jacks are arranged in the lower cover, a circle of groove is formed in the periphery of each jack and used for placing a rubber mat to be mutually clamped with a fixing piece, so that the waterproof purpose is achieved, and solid glue is injected into the upper cover and the lower cover, so that the waterproof effect is achieved. And a layer of guarantee is added for internal waterproofing and fixation.

Description

Technical Field

[0001] The utility model relates to the technical field of electric connectors, in particular to a spring pin connector socket for an intercom. Background Art

[0002] As a wireless communication device, walkie-talkies are widely used in fire protection, transportation, construction and other industries. In the use of walkie-talkies, it is often necessary to connect to external devices (such as chargers, headphones, etc.) through connectors.

[0003] For example, a walkie-talkie charger with application number 202220690705.0 includes a box body, a box cover and a circuit board. The box cover is fixedly installed at the front end of the box body by bolts at four corners. The circuit board is integrated with a liquid crystal display, a voltage conversion module, a buck-boost module and a charging module. The adjustment mechanism includes a fixed plate, multiple charging contacts and multiple connecting contacts. The fixed plate is fixedly installed in the box body. An adjustment slot is opened on the fixed plate. The charging contacts are slidably connected in the adjustment slot. A conductive rubber ring is sleeved on the charging contacts. The connecting contacts are sleeved on the charging contacts. A connecting wire is electrically connected between the connecting contacts and the circuit board. A clamping mechanism is provided at both ends of the box body. The clamping mechanism includes a clamping plate and multiple rod sleeves. The rod sleeve is fixedly connected to the side end wall of the box body. A plug-in rod is movably inserted in the rod sleeve. A clamping spring is sleeved on the outer side of the rod sleeve and the plug-in rod. This walkie-talkie charger can be adapted to various walkie-talkies, has stable connection, and can adjust voltage. However, the charging device lacks a waterproof structure, which reduces its service life and affects the use effect of the walkie-talkie.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a spring pin connector socket for an intercom is proposed. Utility Model Content

[0005] The utility model aims to provide a spring pin connector socket for an intercom to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a walkie-talkie spring pin connector socket, comprising an upper cover and a lower cover, the lower part of the upper cover is snap-connected with the lower cover, and the bottom of the lower cover is snap-connected with a fixing piece, a rubber pad is arranged on the side of the fixing piece, and a guide hole is opened in the middle of the fixing piece, and a spring pin is arranged inside the guide hole.

[0007] Preferably, the tail end of the spring pin is provided with an oblique opening, and the outer ring of the spring pin is fixedly connected to a limiting block.

[0008] Preferably, a needle head is fixedly connected to the front end of the spring needle, and the needle head is arranged inside the guide hole.

[0009] Preferably, the sides of the upper cover and the lower cover are snap-fitted with tail caps, and the upper surface of the upper cover is threadedly connected with a locking nut.

[0010] Preferably, the fixing members are two identical squares with flat protrusions on all sides for fixing in the middle of the lower cover, and a plurality of spring pins are arranged in the middle part of the fixing members.

[0011] Preferably, fixing holes are provided at four corners of the lower cover, and the upper cover is arranged above the lower cover through the fixing holes.

[0012] Preferably, the tail end of the tail cap has a circle of raised plastic for fixing to the side of the lower cover, and the tail cap is made of plastic material to ensure waterproofness while also increasing the bending properties of the protection terminal cable.

[0013] Preferably, the locking nut is T-shaped and is divided into a rotating end and a locking end, and the rotating end of the locking nut has threads around it to increase the locking friction, and the locking end has partial threads that can be locked with the plug-in end.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model is provided with an upper cover, a lower cover, a rubber pad and a fixing piece, so that the upper cover and the lower cover are mutually engaged and fixed. Two square sockets are arranged inside the lower cover, and a circle of grooves around the sockets are used to place the rubber pad and the fixing piece to engage with each other, so as to achieve the purpose of waterproofing, and solid glue is injected into the upper cover and the lower cover to add another layer of guarantee for internal waterproofing and fixing;

[0016] 2. The utility model provides a fixing piece, a spring pin, a stopper, an oblique opening, a needle head and a guide hole. The tail end of the spring pin is provided with an oblique opening to ensure 100% contact with the conductive sheet during operation, reduce the probability of instantaneous disconnection, and improve the stability of the connection. At the same time, the spring pin and the needle head at the front end are made of beryllium copper material, which has good mechanical strength and stability, can withstand the impact and vibration of the external environment, and ensure the reliability of the connector. At the same time, the design of the spring pin enables the socket to maintain a certain stability when subjected to external force, reducing the possibility of loosening;

[0017] 3. The utility model provides a guide hole, an upper cover, a lower cover and a tail cap, and a guide hole is provided in the fixing part to facilitate the insertion of the spring pin, and anti-slip textures are provided on the surfaces of the upper cover and the lower cover to improve the holding stability of the socket. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the main body of the utility model;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of the lower cover 2 of the utility model;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the spring pin 8 of the utility model;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the fixing member 5 of the utility model.

[0022] In the figure: 1. upper cover; 2. lower cover; 3. tail cap; 4. locking nut; 5. rubber pad; 6. fixing piece; 7. fixing hole; 8. spring pin; 9. limit block; 10. oblique mouth; 11. needle head; 12. guide hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 1-Figure 2 As shown, a spring pin connector socket for an intercom includes an upper cover 1 and a lower cover 2. The lower cover 2 is snap-fitted to the lower part of the upper cover 1, and the bottom of the lower cover 2 is snap-fitted to the fixing member 6. A rubber pad 5 is arranged on the side of the fixing member 6, and a guide hole 12 is opened in the middle of the fixing member 6. A spring pin 8 is arranged inside the guide hole 12, so that the upper cover 1 and the lower cover 2 are snap-fitted and fixed to each other. Two square jacks are arranged inside the lower cover 2, and a circle of grooves around the jacks are used to place the rubber pad 5 and the fixing member 6 to snap-fit ​​to each other, so as to achieve the purpose of waterproofing, and solid glue is injected into the upper cover 1 and the lower cover 2 to add another layer of guarantee for internal waterproofing and fixation.

[0025] like Figure 3-Figure 4 As shown, the tail end of the spring needle 8 is provided with an oblique opening 10 , and the outer ring of the spring needle 8 is fixedly connected to a limiting block 9 , which facilitates fixing the spring needle 8 inside the fixing member 6 through the limiting block 9 .

[0026] Furthermore, a needle head 11 is fixedly connected to the front end of the spring needle 8, and the needle head 11 is arranged inside the guide hole 12. The spring needle 8 and the needle head 11 at the front end are made of beryllium copper material, which has good mechanical strength and stability.

[0027] Furthermore, the sides of the upper cover 1 and the lower cover 2 are snap-fitted with a tail cap 3, and the upper surface of the upper cover 1 is threadedly connected with a locking nut 4, which facilitates the opening and closing of the socket.

[0028] Furthermore, the fixing members 6 are two identical squares with flat protrusions around them for fixing in the middle of the lower cover 2, and a plurality of spring pins 8 are arranged in the middle of the fixing members 6, and the fixing members 6 are used to fix the spring pins 8 to ensure their stability in the socket.

[0029] Furthermore, fixing holes 7 are provided at four corners of the lower cover 2 , and the upper cover 1 is arranged above the lower cover 2 through the fixing holes 7 , so that the upper cover 1 and the lower cover 2 can be conveniently engaged and fixed through the fixing holes 7 .

[0030] Furthermore, the tail end of the tail cap 3 has a circle of raised plastic for fixing to the side of the lower cover 2, and the tail cap 3 is made of plastic material to ensure waterproofness while also increasing the bendability of the protection terminal cable.

[0031] Furthermore, the locking nut 4 is T-shaped and is divided into a rotating end and a locking end, and the rotating end of the locking nut 4 has threads around it to increase the locking friction, and the locking end has a partial thread that can be locked with the plug-in end.

[0032] Working principle: When using the intercom spring pin connector socket, first, the upper cover 1 and the lower cover 2 are locked together and fixed. Two square sockets are provided inside the lower cover 2. There is a circle of grooves around the sockets for placing the rubber pad 5 and the fixing piece 6 to lock together, so as to achieve the purpose of waterproofing. Solid glue is injected into the upper cover 1 and the lower cover 2 to add another layer of guarantee for internal waterproofing and fixing. The tail end of the spring pin 8 is provided with an oblique mouth 10 to ensure 100% contact with the conductive sheet during work, reduce the probability of instantaneous disconnection, and improve the stability of the connection. At the same time, the spring pin 8 and the needle head 11 at the front end are made of beryllium copper material, which has good mechanical strength and stability, can withstand the impact and vibration of the external environment, and ensure the reliability of the connector. At the same time, the design of the spring pin 8 enables the socket to maintain a certain stability when subjected to external force, reducing the possibility of loosening. A guide hole 12 is provided in the fixing piece 6 to facilitate the insertion of the spring pin 8. Anti-slip textures are provided on the surface of the upper cover 1 and the lower cover 2 to improve the holding stability of the socket. This is the working principle of the intercom spring pin connector socket.

Claims

1. A spring pin connector socket for an intercom, comprising an upper cover (1) and a lower cover (2), characterized in that: The lower part of the upper cover (1) is snap-fitted with the lower cover (2), and the bottom of the lower cover (2) is snap-fitted with the fixing piece (6), a rubber pad (5) is arranged on the side of the fixing piece (6), and a guide hole (12) is opened in the middle of the fixing piece (6), and a spring pin (8) is arranged inside the guide hole (12).

2. The intercom spring pin connector socket according to claim 1, characterized in that: The tail end of the spring needle (8) is provided with an oblique opening (10), and the outer ring of the spring needle (8) is fixedly connected to a limiting block (9).

3. The intercom spring pin connector socket according to claim 1, characterized in that: The front end of the spring needle (8) is fixedly connected to a needle head (11), and the needle head (11) is arranged inside the guide hole (12).

4. The intercom spring pin connector socket according to claim 1, characterized in that: The sides of the upper cover (1) and the lower cover (2) are snap-fitted with a tail cap (3), and the upper surface of the upper cover (1) is threadedly connected with a locking nut (4).

5. The intercom spring pin connector socket according to claim 1, characterized in that: The fixing members (6) are two identical squares with flat protrusions on all sides for fixing in the middle of the lower cover (2), and a plurality of spring pins (8) are arranged in the middle of the fixing members (6).

6. The intercom spring pin connector socket according to claim 1, characterized in that: The four corners of the lower cover (2) are provided with fixing holes (7), and the upper cover (1) is arranged above the lower cover (2) through the fixing holes (7).

7. The intercom spring pin connector socket according to claim 4, characterized in that: The tail end of the tail cap (3) has a circle of raised plastic for fixing to the side of the lower cover (2), and the tail cap (3) is made of plastic material to ensure waterproofness while also increasing the bendability of the protection terminal cable.

8. The intercom spring pin connector socket according to claim 4, characterized in that: The locking nut (4) is T-shaped and is divided into a rotating end and a locking end. The rotating end of the locking nut (4) has threads around it to increase the locking friction force, and the locking end has a portion of threads that can be locked with the plug-in end.

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