Retaining connector

Abstract

The utility model discloses a retaining connector which comprises a connector female head and a multi-stage retaining mechanism. A connector male head is inserted into the right end of the connector female head, and the left end of the outer side of the connector male head is rotationally connected with a rotating shell through a first bearing; the multi-stage retaining mechanism comprises a first sealing ring, a second sealing ring and an elastic locking assembly, the first sealing ring is connected to the right end of the outer side of the connector female head in a sleeving mode, the second sealing ring is arranged on the left side of the rotating shell, the elastic locking assembly is arranged between the connector female head and the rotating shell, the multi-stage retaining mechanism further comprises a groove and a plurality of bosses, and the grooves are communicated with the grooves. And the plurality of bosses are uniformly arranged on the right side of the sealing ring I. According to the retaining connector, through the sealing element and the elastic rubber element, the threaded connection between the male head and the female head of the connector can be subjected to multi-stage anti-loosening retaining treatment, and the phenomenon that the threaded connection between the male head and the female head of the connector is loosened due to the vibration influence in the train running process is avoided.

Description

Technical Field

[0001] This utility model relates to the field of connector technology, specifically to a backstop connector. Background Technology

[0002] Connectors, also known domestically as joints and sockets, generally refer to electrical connectors, that is, devices that connect two active devices to transmit current or signals. The male and female terminals can transmit information or current after contact. They are also called connectors. Connectors on trains include male connectors and female connectors. The male and female connectors are connected together by their respective threaded grooves to achieve a fixed connection between them. However, during train operation, the train itself will generate running vibrations. When these vibrations act on the threaded connection parts of the male and female connectors, the threads may loosen due to vibration interference, affecting the connection and transmission effect of the connector, which needs to be improved. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the existing defects and provide a locking connector. This device, through sealing elements and elastic rubber elements, can perform multi-level anti-loosening and locking treatment on the threaded connection between the male and female connectors, so as to avoid the threaded connection of the male and female connectors from loosening due to vibration during train operation. It can effectively solve the problems in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a backstop connector, comprising a connector female head and a multi-stage backstop mechanism;

[0005] Connector female head: The right end of the connector male head is inserted into the connector male head, and the outer left end of the connector male head is rotatably connected to the rotating shell through a bearing;

[0006] Multi-stage anti-loosening mechanism: It includes a first sealing ring, a second sealing ring, and an elastic locking assembly. The first sealing ring is fitted onto the outer right end of the connector female head. The second sealing ring is located on the left side of the rotating shell. An elastic locking assembly is located between the connector female head and the rotating shell. This device, through sealing elements and elastic rubber elements, can perform multi-stage anti-loosening and anti-loosening treatment on the threaded connection between the connector male and female heads, avoiding the loosening of the threaded connection due to vibration during train operation.

[0007] Furthermore, the multi-stage anti-reverse mechanism also includes grooves and bosses. There are multiple bosses, which are evenly arranged on the right side of the sealing ring one. The sealing ring one has multiple evenly distributed grooves inside, and each groove is installed in conjunction with an adjacent boss to perform the first stage of vibration anti-reverse treatment on the train connector.

[0008] Furthermore, the elastic locking assembly includes a fixed seat, telescopic columns, springs, anti-slip seats, and a rotary contact seat. The fixed seat is located on the outside of the connector female head. The right wall of the fixed seat is provided with an anti-slip seat through two symmetrically distributed telescopic columns and springs. The springs are movably sleeved with the outer ends of the adjacent telescopic columns. The outer side of the rotating shell is provided with a rotary contact seat. The rotary contact seat and the anti-slip seat are installed together and locked by rotational elastic friction, thereby preventing the train connector from retracting in the second stage.

[0009] Furthermore, the elastic locking assembly also includes a rubber pad, which is disposed on the left side of the anti-slip seat to increase the rotational sliding resistance between the rotating contact seat inside the anti-slip connector and the anti-slip seat.

[0010] Furthermore, both the front edge of the anti-slip seat and the left edge of the rotary contact seat are provided with arc-shaped chamfers to facilitate the rotary engagement between the rotary contact seat and the anti-slip seat when the male and female threads of the train connector are connected.

[0011] Furthermore, the outer right end of the connector female head is provided with an external thread, and the inside of the rotating shell is provided with an internal thread. The external thread and the internal thread are threadedly connected, and the connection between the connector male and female heads is realized through the threaded connection.

[0012] Furthermore, both the female and male connectors are provided with anti-slip textures on their outer sides to prevent relative loosening between the operator's hand and the connector when the operator is handling the connector.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This anti-reverse connector has the following advantages:

[0014] When the male and female connectors of the train are connected by threads, the threaded connection between the male and female connectors can be treated with multiple levels of anti-loosening and anti-retraction measures through sealing ring one, sealing ring two, groove, boss and elastic locking component, so as to avoid the threaded connection of the male and female connectors from loosening due to vibration during train operation. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the exploded structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the sealing ring structure of this utility model;

[0018] Figure 4 This is an enlarged structural diagram of point A in this utility model.

[0019] In the diagram: 1. Connector female head, 2. Connector male head, 3. Rotating shell, 4. Multi-stage anti-reverse mechanism, 41. Sealing ring one, 42. Sealing ring two, 43. Groove, 44. Boss, 45. Elastic locking assembly, 451. Fixing seat, 452. Telescopic column, 453. Spring, 454. Anti-slip seat, 455. Rubber pad, 456. Rotary contact seat, 5. Arc chamfer, 6. External thread, 7. Internal thread, 8. Anti-slip texture. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-4 This embodiment provides a technical solution: a backstop connector, including a connector female head 1 and a multi-stage backstop mechanism 4;

[0022] Connector female head 1: Connector male head 2 is inserted into its right end. Connector male head 2 is rotatably connected to a rotating shell 3 via a bearing on its outer left end. Connector female head 1 has an external thread 6 on its outer right end. Rotating shell 3 has an internal thread 7 inside. The external thread 6 and internal thread 7 are threaded together. Both connector female head 1 and connector male head 2 have anti-slip textures 8 on their outer sides. When inserting the male and female heads of the connectors on the train, first insert the needle-like conductor of connector male head 2 into connector female head 1 from right to left. At this time, the internal thread 7 of rotating shell 3 contacts the external thread 6 of connector female head 1. Then, rotate rotating shell 3 so that connector male head 2 gradually moves closer to connector female head 1 through the threaded connection between internal thread 7 and external thread 6. The anti-slip textures 8 increase the contact friction between the operator's hand and the connector surface, thereby preventing relative looseness between the operator's hand and the connector when operating the connector.

[0023] Multi-stage anti-reverse mechanism 4: It includes a first sealing ring 41, a second sealing ring 42, and an elastic locking assembly 45. The first sealing ring 41 is sleeved on the outer right end of the connector female head 1. The second sealing ring 42 is provided on the left side of the rotating shell 3. The elastic locking assembly 45 is provided between the connector female head 1 and the rotating shell 3. The multi-stage anti-reverse mechanism 4 also includes grooves 43 and bosses 44. There are multiple bosses 44, which are evenly arranged on the right side of the first sealing ring 41. Multiple evenly distributed grooves 43 are opened inside the first sealing ring 41. Each groove 43 is installed in conjunction with an adjacent boss 44. There are more than ten grooves 43 and bosses 44. The elastic locking assembly 45 includes a fixed seat 451, a telescopic column 452, a spring 453, an anti-slip seat 454, and a rotating contact seat 456. A fixing seat 451 is located on the outside of the connector female head 1. An anti-slip seat 454 is provided on the right wall of the fixing seat 451 via two symmetrically distributed telescopic columns 452 and springs 453. The springs 453 are movably sleeved with the outer ends of adjacent telescopic columns 452. A rotary contact seat 456 is provided on the outside of the rotating shell 3. The rotary contact seat 456 is fitted with the anti-slip seat 454. The elastic locking assembly 45 also includes a rubber pad 455, which is located on the left side of the anti-slip seat 454. An arc-shaped chamfer 5 is provided at the front edge of the anti-slip seat 454 and the left edge of the rotary contact seat 456. As the connector male head 2 approaches the connector female head 1, both sealing ring 1 41 and sealing ring 2 42 are made of rubber. Sealing ring 2 42 gradually approaches sealing ring 1 41. The rotating shell 3 indirectly applies contact pressure to the sealing ring 41 via its left side, while the right side of the sealing ring 41 is compressed. The protrusions 44 all penetrate into the adjacent grooves 43. Through the elastic deformation between the rubber molecules within the sealing ring 41, the protrusions 44 of the sealing ring 41 exert a rightward elastic counterforce on the sealing ring 42. When the rotating shell 3 is threadedly connected to the connector female head 1, this elastic counterforce ensures that the rotating shell 3 is always moving away from the horizontal direction of the connector female head 1, thus preventing loosening of the threaded connection due to external train vibration interference. This achieves the first-stage train connector connection anti-retraction effect. Simultaneously, when the left side of the rotating shell 3 rotates to the point where it is about to contact the right side of the connector female head 1, this… When the rotating shell 3 rotates, the arc-shaped chamfer 5 of the rotating contact seat 456 rotates and presses against the arc-shaped chamfer 5 of the anti-slip seat 454. Under pressure, the telescopic end of the telescopic column 452 and the spring 453 retract, causing the rotating contact seat 456 to slide to the left along the left side of the anti-slip seat 454. At this time, the rubber pad 455 increases the rotational sliding resistance between the rotating contact seat 456 and the anti-slip seat 454. The compression force of the spring 453 further increases this resistance. This rotational sliding resistance prevents rotation between the rotating contact seat 456 and the anti-slip seat 454, thus preventing rotational sliding separation between the rotating shell 3 and the connector female head 1 due to train vibrations.This achieves a second-stage anti-loosening effect for the train connector connection. It is easy to use, and the device, through sealing and elastic rubber elements, provides multi-stage anti-loosening treatment for the threaded connection between the male and female connectors, preventing loosening due to vibration during train operation.

[0024] The working principle of the anti-reverse connector provided by this utility model is as follows: When inserting the male and female connectors of the connector on the train, firstly, the needle-shaped conductor of the male connector 2 is inserted into the female connector 1 from right to left. At this time, the internal thread 7 of the rotating shell 3 contacts the external thread 6 of the female connector 1. Then, rotating the rotating shell 3 causes the male connector 2 to gradually move closer to the female connector 1 through the threaded connection between the internal thread 7 and the external thread 6. As the male connector 2 moves closer to the female connector 1, the sealing ring 41 and the sealing ring 42 are both made of rubber. The sealing ring 42 gradually moves towards the sealing ring 1. The sealing ring 41 is brought into contact with the rotating shell 3, and the left side of the rotating shell 3 indirectly applies contact pressure to the sealing ring 41. The right side of the sealing ring 41 is compressed, and the protrusions 44 are all inserted into the adjacent grooves 43. Through the elastic deformation between the rubber molecules in the sealing ring 41, the protrusions 44 of the sealing ring 41 apply a rightward elastic counterforce to the sealing ring 42. When the rotating shell 3 is threadedly connected to the connector female head 1, this elastic counterforce keeps the rotating shell 3 tending to move away from the horizontal of the connector female head 1, thereby avoiding the interference of external train vibrations that could cause thread damage between the two. The loose connection phenomenon is thus prevented, achieving the first-stage train connector connection anti-reverse effect. Simultaneously, when the left side of the rotating shell 3 rotates to the point of contacting the right side of the connector female head 1, the rotating shell 3 causes the arc-shaped chamfer 5 of the rotating contact seat 456 to rotate and press against the arc-shaped chamfer 5 of the anti-slip seat 454. The anti-slip seat 454 is compressed, causing the telescopic end of the telescopic column 452 and the spring 453 to retract. The leftward movement of the rotating contact seat 456 slides along the left side of the anti-slip seat 454. At this time, the rubber pad 455 increases the rotational sliding resistance between the rotating contact seat 456 and the anti-slip seat 454, and the spring 453... The compression elasticity of 53 further increases the rotational sliding resistance between the rotary contact seat 456 and the anti-slip seat 454. This rotational sliding resistance prevents rotation between the rotary contact seat 456 and the anti-slip seat 454, thereby preventing rotational sliding separation between the rotary shell 3 and the connector female head 1 due to train vibration. This achieves the second-stage train connector connection anti-retraction effect and is easy to use. The anti-slip texture 8 increases the contact friction between the operator's hand and the connector surface, thereby preventing relative loosening between the operator's hand and the connector when operating the connector.

[0025] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A retreat prevention connector characterized by: Including connector female head (1) and multistage retreat prevention mechanism (4); The outer side of the left end of the connector male head (2) is rotatably connected with a rotating shell (3) through a bearing one. The multistage retreat prevention mechanism (4) comprises a sealing ring one (41), a sealing ring two (42) and an elastic locking assembly (45), the sealing ring one (41) is sleeved to the outer right end of the connector female head (1), the left side of the rotating shell (3) is provided with the sealing ring two (42), and the elastic locking assembly (45) is arranged between the connector female head (1) and the rotating shell (3).

2. The pull-out preventing connector according to claim 1, wherein: The multistage retreat prevention mechanism (4) further comprises a groove (43) and a boss (44), the boss (44) is provided with a plurality of bosses (44) which are uniformly arranged on the right side of the sealing ring one (41), and a plurality of grooves (43) which are uniformly distributed are formed in the sealing ring one (41), and the groove (43) is matched with the adjacent boss (44).

3. The pull-out preventer connector of claim 1, wherein: The elastic locking assembly (45) comprises a fixed seat (451), a telescopic column (452), a spring (453), an anti-skid seat (454) and a rotating contact seat (456), the fixed seat (451) is arranged on the outer side of the connector female head (1), the right wall of the fixed seat (451) is provided with the anti-skid seat (454) through two symmetrically distributed telescopic columns (452) and springs (453), the spring (453) is movably sleeved with the outer end of the adjacent telescopic column (452), the outer side of the rotating shell (3) is provided with the rotating contact seat (456), and the rotating contact seat (456) is matched with the anti-skid seat (454).

4. The pull-out preventer connector of claim 3, wherein: The elastic locking assembly (45) further comprises a rubber pad (455), and the rubber pad (455) is arranged on the left side of the anti-skid seat (454).

5. The pull-out preventer connector of claim 3, wherein: The front end edge of the anti-skid seat (454) and the left end edge of the rotating contact seat (456) are both provided with arc chamfers (5).

6. The pull-out connector of claim 1, wherein: The outer right end of the connector female head (1) is provided with an external thread (6), the inner side of the rotating shell (3) is provided with an internal thread (7), and the external thread (6) is in threaded connection with the internal thread (7).

7. The pull-out connector of claim 1, wherein: The outer sides of the connector female head (1) and the connector male head (2) are both provided with anti-skid lines (8).

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