Clamping structure of contact pin electric connector

Abstract

The utility model provides a clamping structure of a contact pin electric connector, and relates to the technical field of contact pin electric connectors, the clamping structure comprises a contact pin and a socket, through the arrangement of a clamping device, when a contact pin block is inserted into the socket for circuit connection and use, the contact pin block is inserted into the socket after being well inserted, and the contact pin block is inserted into the socket. After the elastic clamping rod is held and rotated to a certain angle on the circular shaft, one end of the elastic clamping rod is inserted into the inner wall of the groove in the needle inserting block and is clamped on one side in an abutting mode, at the moment, one side of the clamping block can be pushed in the inner wall of the elastic clamping rod in an abutting mode to slide towards one end, and the spring is driven to stretch; the clamping block can be clamped into the clamping groove under the reset effect of the spring, the pin block is firmly fixed to the socket, through secondary fixing of the clamping device, the pin block cannot be loosened or in poor contact when the pin block is used in a vibration environment for a long time, the problem that connection and use of a circuit are affected due to falling off is avoided, and the stability in use is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pin electric connector technical field especially, relates to a kind of clamping structure of pin electric connector. BACKGROUND

[0002] Pin electric connector, also known as pin jack connector, is mainly composed of pin and other related components, and its main function is to interconnect related devices to achieve circuit connection or disconnection, thereby transmitting electrical signals and connecting various electronic devices.

[0003] When using pin electric connector for circuit connection, two wires are usually connected with pin and socket respectively, and then the pin is inserted into the interior of socket for use. If the electric connector is used in a vibrating environment for a long time, it may become loose, causing poor contact or even falling off, thereby affecting the connection and use of circuit. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a clamping structure of pin electric connector.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a clamping structure of pin electric connector, comprising a pin block and a socket, one end of the pin block is inserted into the inner wall of the socket, a clamping device is arranged between the pin block and the socket, the clamping device comprises an elastic clamping rod for clamping the pin block and the socket together, wherein the elastic clamping rod is clamped between the surface annular protrusions of the pin block and the socket to pull them close to each other, a protective device is arranged on the outer surface of one end of the pin block and the socket, the clamping device comprises two clamping blocks, recesses are symmetrically formed on the outer surface of one end of the pin block and the socket, circular shafts are fixedly connected to the inner walls of the two recesses on the socket, elastic clamping rods are rotatably connected to the outer surfaces of the circular shafts, one end of the elastic clamping rod is inserted into the inner walls of the two recesses on the pin block and abuts against one side thereof, the inner wall of one end of the elastic clamping rod is slidably connected to one end of the clamping block, springs are connected to the outer surfaces of the clamping blocks, and the two ends of the springs are fixedly connected to one side of the clamping block and one side of the elastic clamping rod, respectively, clamping grooves are symmetrically formed on one side of the pin block, and one end of the clamping block is inserted into the inner wall of the clamping groove.

[0006] The effect achieved by the above components is that: by setting the clamping device, when the pin block is inserted into the socket for circuit connection, after being inserted, the elastic clamping rod is held and rotated to a certain angle on the circular shaft, one end of the elastic clamping rod is inserted into the inner wall of the groove on the pin block and abuts and clamps on one side, at this time, one side of the clamping block is pushed to slide to one end in the inner wall of the elastic clamping rod, driving the spring to stretch, when the elastic clamping rod abuts to a certain position, the clamping block is clamped into the clamping groove under the restoring action of the spring, the pin block is firmly fixed on the socket, through the secondary fixation of the clamping device, when used in a vibrating environment for a long time, the pin block will not be loose and the contact will not be poor, avoiding the problem of affecting the connection use of the circuit due to falling off, and improving the stability during use.

[0007] Preferably, one side of the clamping block is fixedly connected with a pulling block, and the longitudinal section of the pulling block is in L shape.

[0008] The effect achieved by the above components is that: by setting the pulling block, the contact area of one side of the clamping block can be increased, and the clamping block can be pulled out conveniently.

[0009] Preferably, one end of the longitudinal section of the elastic clamping rod is in trapezoidal shape, and one end of the longitudinal section of the clamping block is in trapezoidal shape.

[0010] The effect achieved by the above components is that: by setting the trapezoidal shape of one end of the elastic clamping rod and the clamping block, when the pin block and the socket are clamped and fixed at the connection position, the side of the elastic clamping rod can abut on one side of the pin block, and when the clamping block does not need to be pulled, the clamping block can be moved by abutting and pushing, and then the spring is reset to be clamped into the clamping groove.

[0011] Preferably, the outer surface of the circular shaft is fixedly connected with a bearing, and the outer ring of the bearing is fixedly connected with the inner wall of one end of the elastic clamping rod.

[0012] The effect achieved by the above components is that: by setting the bearing, the rotating wear between the elastic clamping rod and the circular shaft can be reduced, so that the service life is improved while the rotation is facilitated.

[0013] Preferably, the protection device comprises two protective covers, the pin block and the socket are provided with threaded grooves on one side, one end of the protective cover is fixedly connected with a threaded block, and the two protective covers and the threaded blocks are respectively sleeved on the outer surfaces of one end of the pin block and the socket.

[0014] The effects achieved by the components are as follows: the protective cover and the threaded block are sleeved on the outer surface of one end of the pin block and the socket when the pin block is pulled out of the socket for non-use, the inner wall of the pin block and the socket is covered by screwing the threaded block in the threaded groove, dust and impurities are prevented from entering the interior of the pin block and the socket to cause blockage or poor contact and affect use, and the service life of the pin block and the socket is prolonged.

[0015] Preferably, the outer surface of the protective cover is fixedly connected with a plurality of protrusions, and the plurality of protrusions are arranged at equal distances.

[0016] The effects achieved by the components are as follows: the protrusions can increase the contact friction of the outer surface of the protective cover, so that the protective cover is more firmly held by hand and is not prone to slipping.

[0017] Preferably, one side of the pin block and the socket is fixedly connected with a connecting rope, and one end of the connecting rope is fixedly connected with one side of the two protective covers.

[0018] The effects achieved by the components are as follows: the connecting rope can limit and fix the protective cover on the pin block and the socket, so that the protective cover is not prone to loss when being removed.

[0019] Preferably, the inner wall of the protective cover is fixedly connected with a sealing block, and the sealing block is a rubber block.

[0020] The effects achieved by the components are as follows: the sealing block can seal the gap between the inner wall of the protective cover and the pin block and the socket, so that dust and impurities are prevented from entering the interior of the pin block and the socket, and blockage and poor contact are reduced.

[0021] Compared with the prior art, the utility model has the advantages and positive effects that:

[0022] In the utility model, when the pin block is inserted into the socket for circuit connection and use, the elastic clamping rod is held and rotated to a certain angle on the circular shaft after being inserted, one end of the elastic clamping rod is inserted into the inner wall of the groove on the pin block and abuts and clamps on one side, one side of the clamping block is abutted and pushed in the inner wall of the elastic clamping rod to slide to one end, the spring is driven to stretch, the clamping block is clamped into the clamping groove under the reset action of the spring when the elastic clamping rod abuts to a certain position, the pin block is fixed on the socket, the pin block is not prone to loosening and poor contact when being used in a vibrating environment for a long time through the secondary fixation of the clamping device, the problem that the circuit connection and use are affected due to falling off is avoided, and the stability during use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1A three-dimensional structure schematic view of the utility model is shown in the figure;

[0024] Figure 2 A three-dimensional structure schematic view of the utility model is shown in the figure;

[0025] Figure 3 A three-dimensional structure schematic view of the utility model is shown in the figure; Figure 2 A three-dimensional structure schematic view of the utility model is shown in the figure;

[0026] Figure 4 A three-dimensional structure schematic view of the utility model is shown in the figure;

[0027] Figure 5 A three-dimensional structure schematic view of the utility model is shown in the figure.

[0028] Legend: 1, the pin block; 2, the clamping device; 3, the protection device; 4, the socket; 21, the recess; 22, the round shaft; 23, the elastic clamping rod; 24, the clamping block; 25, the spring; 26, the pull block; 27, the bearing; 28, the clamping groove; 31, the threaded groove; 32, the protective cover; 33, the threaded block; 34, the protruding block; 35, the connecting rope; 36, the sealing block. DETAILED DESCRIPTION

[0029] Example 1, as Figures 1-5As shown, a kind of engagement structure of pin electrical connector, including pin block 1 and socket 4, one end of pin block 1 is inserted in the inner wall of socket 4, and the engagement device 2 is arranged between pin block 1 and socket 4, the outer surface of one end of pin block 1 and socket 4 is provided with protective device 3, the engagement device 2 includes two clamping blocks 24, the outer surface of one end of pin block 1 and socket 4 is symmetrically provided with recess 21, the inner wall of two recesses 21 on socket 4 is fixedly connected with circular shaft 22, the outer surface of circular shaft 22 is rotatably connected with elastic clamping rod 23, one end of elastic clamping rod 23 is inserted in the inner wall of two recesses 21 on pin block 1 and abuts one side thereof, the inner wall of one end of elastic clamping rod 23 is slidably connected with one end of clamping block 24, the outer surface of clamping block 24 is sleevedly connected with spring 25, and the two ends of spring 25 are respectively fixedly connected with one side of clamping block 24 and one side of elastic clamping rod 23, one side of pin block 1 is symmetrically provided with clamping groove 28, and one end of clamping block 24 is inserted in the inner wall of clamping groove 28.In the use of circuit connection when pin block 1 is inserted into socket 4, after being inserted, hold elastic clamping rod 23, rotate it to a certain angle on circular shaft 22, then make one end of it be inserted in the inner wall of recess 21 on pin block 1 and abut and be clamped on one side, at this time, one side of clamping block 24 will be abutted and pushed in the inner wall of elastic clamping rod 23 and slide to one end, drive spring 25 to stretch, when elastic clamping rod 23 abuts to a certain position, clamping block 24 will be clamped into clamping groove 28 under the reset action of spring 25, pin block 1 is firmly fixed on socket 4, through the secondary fixation of engagement device 2, when it is used in the vibration environment for a long time, it also will not be loose and contact badly, avoid the problem that the connection use of circuit is affected by falling off, improve the stability when using.

[0030] Referring to Figures 1-5 As shown, the embodiment discloses that one side of clamping block 24 is fixedly connected with pull block 26, and the longitudinal section of pull block 26 is in L shape. By setting pull block 26, the contact area of one side of clamping block 24 can be increased, and clamping block 24 can be pulled conveniently when being taken off. The longitudinal section of one end of elastic clamping rod 23 is in trapezoidal shape, and the longitudinal section of one end of clamping block 24 is in trapezoidal shape. By setting the one end of elastic clamping rod 23 and clamping block 24 in trapezoidal shape, when pin block 1 and socket 4 are connected and clamped, one side of elastic clamping rod 23 can abut on one side of pin block 1, and clamping block 24 can be abutted and pushed to move when not being pulled, and then spring 25 is reset to be clamped into clamping groove 28.

[0031] Referring to Figures 1-5 As shown, the embodiment discloses that the outer surface of circular shaft 22 is fixedly connected with bearing 27, and the outer ring of bearing 27 is fixedly connected with the inner wall of one end of elastic clamping rod 23. By setting bearing 27, the rotating wear between elastic clamping rod 23 and circular shaft 22 can be reduced, so that the service life is improved while the rotation is facilitated.

[0032] Referring to Figures 1-5 As shown in the, the embodiment discloses a protective device 3 including two protective covers 32, the pin block 1 and the socket 4 are provided with threaded grooves 31 on one side, one end of the protective cover 32 is fixedly connected with a threaded block 33, the two protective covers 32 and the threaded block 33 are respectively sleeved on the outer surfaces of one end of the pin block 1 and the socket 4, and the threaded block 33 is screwedly inserted into the inner wall of the threaded groove 31. When the pin block 1 is pulled out of the socket 4 and not used, the protective cover 32 and the threaded block 33 can be sleeved on the outer surfaces of one end of the pin block 1 and the socket 4, then the threaded block 33 is screwedly twisted in the threaded groove 31, and the inner wall of the pin block 1 and the socket 4 is protected by the protective cover 32, so that dust and impurities cannot enter the interiors of the pin block 1 and the socket 4, the use of the pin block 1 and the socket 4 is not affected by the blockage or poor contact, and the service life of the pin block 1 and the socket 4 is prolonged.

[0033] Referring to Figures 1-5 As shown in the, the embodiment discloses that the outer surface of the protective cover 32 is fixedly connected with a plurality of convex blocks 34, and the plurality of convex blocks 34 are arranged at equal distances. Through the convex blocks 34, the contact friction of the outer surface of the protective cover 32 can be increased, so that the protective cover 32 is more firm when manually holding the protective cover 32 and is not prone to slipping. One side of the pin block 1 and the socket 4 is fixedly connected with a connecting rope 35, and one end of the connecting rope 35 is fixedly connected with one side of the two protective covers 32. Through the connecting rope 35, the protective cover 32 can be limitingly fixed on the pin block 1 and the socket 4, so that the protective cover 32 is not prone to being lost when being taken off. The inner wall of the protective cover 32 is fixedly connected with a sealing block 36, and the sealing block 36 is a rubber block. Through the sealing block 36, the gap between the inner wall of the protective cover 32 and the pin block 1 and the socket 4 can be sealed, so that dust and impurities cannot enter the interiors of the pin block 1 and the socket 4, and the blockage and poor contact of the pin block 1 and the socket 4 are reduced.

[0034] When the pin block 1 is inserted into the socket 4 to be electrically connected and used, after being inserted, the elastic clamping rod 23 is held and rotated to a certain angle on the circular shaft 22, one end of the elastic clamping rod 23 is inserted into the inner wall of the groove 21 on the pin block 1 and abuts and clamps one side, at this time, one side of the clamping block 24 is abutted and pushed in the inner wall of the elastic clamping rod 23 to slide to one end, the spring 25 is stretched, when the elastic clamping rod 23 abuts to a certain position, the clamping block 24 is clamped into the clamping groove 28 under the reset action of the spring 25, the pin block 1 is fixed on the socket 4, through the secondary fixation of the clamping device 2, when the pin block 1 is used in a vibrating environment for a long time, the pin block 1 is not prone to loosening and poor contact, the problem that the circuit connection is affected by falling off is avoided, and the stability during use is improved.

[0035] When the pin block 1 is pulled out of the socket 4 for non-use, the protective cover 32 and the threaded block 33 can be sleeved on the outer surface of one end of the pin block 1 and the socket 4, and then the threaded block 33 is screwed in the threaded groove 31, so that the pin block 1 and the socket 4 are protected by the protective cover 32, dust and impurities are prevented from entering the interior of the pin block 1 and the socket 4, and the situation that the use is affected due to blockage or poor contact is avoided, and the service life of the pin block 1 and the socket 4 is improved.

Claims

1. A latching structure of a pin electrical connector comprising a pin block (1) and a socket (4), characterized in that: One end of the pin block (1) is inserted into the inner wall of the socket (4), a clamping device (2) is arranged between the pin block (1) and the socket (4), the clamping device (2) comprises elastic clamping rods (23) for buckling the pin block (1) and the socket (4) together, wherein the elastic clamping rods (23) are clamped between the surface annular protrusions of the pin block (1) and the socket (4) to pull the pin block (1) and the socket (4) close to each other.

2. The structure of the contact of the connector according to claim 1, wherein: The clamping device (2) further comprises two clamping blocks (24), the outer surfaces of one end of the pin block (1) and the socket (4) are symmetrically provided with grooves (21), the inner walls of the two grooves (21) on the socket (4) are fixedly connected with circular shafts (22), the outer surfaces of the circular shafts (22) are rotatably connected with the elastic clamping rods (23), one end of the elastic clamping rods (23) is inserted into the inner walls of the two grooves (21) on the pin block (1) and abuts against one side thereof, the inner wall of one end of the elastic clamping rods (23) is slidably connected with one end of the clamping blocks (24), the outer surfaces of the clamping blocks (24) are sleeved with springs (25), the two ends of the springs (25) are fixedly connected with one side of the clamping blocks (24) and one side of the elastic clamping rods (23) respectively, one side of the pin block (1) is symmetrically provided with clamping grooves (28), and one end of the clamping blocks (24) is inserted into the inner walls of the clamping grooves (28).

3. The structure of the contact of the connector according to claim 2, wherein: One side of the clamping block (24) is fixedly connected with a pulling block (26), and the longitudinal section of the pulling block (26) is in L shape.

4. The structure of the contact of the connector according to claim 3, wherein: The longitudinal section of one end of the elastic clamping rod (23) is in trapezoidal shape, and the longitudinal section of one end of the clamping block (24) is in trapezoidal shape.

5. The structure of the contact of the connector according to claim 4, wherein: The outer surface of the circular shaft (22) is fixedly connected with a bearing (27), and the outer ring of the bearing (27) is fixedly connected with the inner wall of one end of the elastic clamping rod (23).

6. The structure of the contact of the plug-in connector according to claim 1, wherein: The outer surfaces of one end of the pin block (1) and the socket (4) are provided with protection devices (3), the protection devices (3) comprise two protective covers (32), one side of the pin block (1) and the socket (4) is provided with a threaded groove (31), one end of the protective cover (32) is fixedly connected with a threaded block (33), the two protective covers (32) and the threaded block (33) are sleeved on the outer surfaces of one end of the pin block (1) and the socket (4) respectively, and the threaded block (33) is spirally inserted into the inner wall of the threaded groove (31).

7. The structure of the contact of the connector according to claim 6, wherein: The outer surface of the protective cover (32) is fixedly connected with a plurality of protrusions (34), and the plurality of protrusions (34) are arranged at equal distances.

8. The structure of the contact of the plug-in connector according to claim 7, wherein: One side of the pin block (1) and the socket (4) is fixedly connected with a connecting rope (35), and one end of the connecting rope (35) is fixedly connected with one side of the two protective covers (32).

9. The structure of the contact of the plug-in connector according to claim 8, characterized in that: The inner wall of the protective cover (32) is fixedly connected with a sealing block (36), and the sealing block (36) is a rubber block.

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