Anti-loose push-pull connector
By introducing ball bearings, rubber rings, and rotating plate locking structures into the push-pull connector, the problem of reduced locking force due to wear is solved. This ensures that the connector can maintain a stable locking force even after wear, preventing loosening and improving the reliability and safety of the equipment.
Patent Information
- Application Number
- CN202521854751.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-29
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-08-29
AI Technical Summary
Existing circular push-pull connectors experience wear and tear over long-term use, leading to a decrease in locking force and easy loosening, which affects the stability and safety of the equipment.
A push-pull connector designed to prevent loosening is used. By setting up a connection mechanism and a sealing mechanism, ball bearings and rubber rings are used to reduce friction. Combined with the mechanical structure of a rotating plate and a locking block, the connector can maintain effective locking force even after wear.
It effectively prevents connectors from loosening under external forces, maintains connection stability, avoids equipment downtime, data interruption and signal instability, and improves the reliability and safety of the equipment.
Smart Images
Figure CN224683542U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of push-pull connectors, specifically relating to a push-pull connector that prevents loosening. Background Technology
[0002] In industrial automation, medical equipment, and communication systems, circular push-pull connectors are widely used due to their ease of operation and compact structure. Their core working principle involves rapid locking through the engagement of the locking tongue and locking groove, relying on the mechanical interlocking of the contact surfaces to ensure connection stability. However, during long-term use, these connectors face the problem of loosening due to mechanical wear. Specifically, during each insertion and removal operation, the contact surfaces of the locking tongue and locking groove experience relative sliding and friction. With increased use, the contact surfaces gradually wear down. This wear directly leads to a decrease in the precision of the engagement between the locking tongue and locking groove, a reduction in the engagement depth, and consequently, a decrease in the locking force.
[0003] When the locking force is insufficient, connectors are prone to loosening or even accidental disconnection when subjected to external forces such as vibration, impact, or slight cable pulling. In industrial production, such loosening may lead to equipment downtime and production losses; in the medical equipment field, it may cause interruption of monitoring data or malfunction of treatment equipment, endangering patient safety; in communication systems, it can lead to unstable signal transmission and affect communication quality. Currently, existing technologies mostly delay wear by increasing material hardness, such as using wear-resistant alloys, or adding lubricating coatings, but they have not solved the problem of reduced locking force after wear from the structural design perspective.
[0004] Therefore, there is an urgent need for a circular push-pull connector that can maintain effective locking force and prevent loosening of the connection even after long-term use and certain wear on the contact surface. Utility Model Content
[0005] (1) Technical problems to be solved To address the shortcomings of existing technologies, the purpose of this invention is to provide a push-pull connector that prevents loosening. This addresses the issue that in existing technologies, insufficient locking force can easily lead to loosening or even accidental disconnection when subjected to external forces such as vibration, impact, or slight cable pulling. In industrial production, this loosening can cause equipment downtime and production losses. In the medical field, it can lead to interruptions in monitoring data or malfunctions in treatment equipment, endangering patient safety. In communication systems, it can cause unstable signal transmission and affect communication quality.
[0006] (2) Technical solution To solve the above-mentioned technical problems, this utility model provides a push-pull connector with anti-loosening features, including a left connector, a right connector connected to the right end of the left connector, a sealing mechanism connected to the inner left end of the right connector, a connecting mechanism provided at the right end of the left connector, and the connecting mechanism including a connecting pin installed at the right end of the left connector, an electrical connection layer installed at the inner left end of the right connector, an outer sleeve fixedly connected to the right side of the left connector at the outer end of the connecting pin, a fixing ring fixedly connected to the outer left end of the right connector, a connecting ring fixedly connected to the right edge of the left connector, side plates fixedly connected to the upper and lower ends of the right side of the left connector, a round shaft connected to the outer side of the side plates, a rotating plate connected to the outer end of the round shaft, a locking block fixedly connected to the side of the rotating plate away from the left connector and near the outer sleeve, a spring fixedly connected to the side of the rotating plate near the connecting pin and near the left connector, pressure rods connected to the upper and lower ends of the connecting ring, and a retaining ring fixedly connected to the outer end of the pressure rod inside the connecting ring.
[0007] Furthermore, the sealing mechanism includes a ball bearing connected to the left side of the inside of the right connector, and a rubber ring is attached to the inner side of the left end of the right connector. Furthermore, two side plates are fixed to the upper and lower ends of the right side of the left connector, and a round shaft is fixedly connected to the end of the two side plates that is far away from the left connector. A through hole is opened in the middle of the interior of the rotating plate. The outer side of the round shaft is rotatably connected to the inner side of the hole. The front and rear sides of the rotating plate are slidably connected to the adjacent side of the two side plates.
[0008] Furthermore, the end of the spring away from the rotating plate is fixedly connected to the upper or lower end of the outer left side of the outer sleeve.
[0009] Furthermore, the right side of the card block is an inclined surface, and the upper and lower ends of the left side of the fixing ring are symmetrically provided with inclined grooves. The inclined angles of the right side of the card block and the inclined grooves are the same, and the right side of the card block is slidably connected to the inside of the inclined groove.
[0010] Furthermore, the connecting ring has sliding holes at both its upper and lower ends, and the outer side of the pressure rod is slidably connected to the inner side of the sliding hole. The side of the retaining ring away from the outer sleeve abuts against the upper or lower end of the inner side of the connecting ring, and the side of the pressure rod near the outer sleeve abuts against the end of the rotating plate away from the outer sleeve near the left connecting head. Furthermore, the inner left end of the right connector is provided with equally spaced circular grooves, the outer side of the ball is rotatably connected to the inner side of the circular groove, and the outer side of the ball is rollingly connected to the outer side of the outer sleeve.
[0011] Furthermore, the inner side of the rubber ring is slidably connected to the outer side of the outer sleeve.
[0012] (3) Beneficial effects Compared with the prior art, the beneficial effects of this utility model are as follows: This invention, through the setting of a connecting mechanism, allows the electrical connection layer to slide to the inside of the outer sleeve when the left and right connectors are connected. Simultaneously, the connecting pin is inserted into the electrical connection layer, and the rotating plate moves towards the fixing ring. During this movement, the locking block slides to the inside of the inclined groove at the left end of the fixing ring, sliding along the inclined groove and causing the rotating plate to rotate around the circular axis. At the same time, the spring is compressed, and the locking block moves away from the outer sleeve until it passes the fixing ring. Then, the spring rebounds, pushing the rotating plate back and pushing the locking block to the right end of the fixing ring. At this point, the electrical connection layer is completely inside the outer sleeve, preventing the left and right connectors from getting closer. The locking block, located at the right end of the fixing ring, prevents the left and right connectors from moving away from each other, thus preventing them from moving relative to each other. Even if the left and right connectors connect and separate, causing wear between the relatively sliding outer sleeve and the left end of the electrical connection layer and the right connector, it does not affect the relative fixation of the left and right connectors.
[0013] This invention, by setting a sealing mechanism, ensures that when the outer sleeve is inserted between the right connector and the power connection layer, the ball bearings will roll on the outside of the outer sleeve, thereby preventing friction between the inside of the right connector and the outer sleeve. This ensures that the right connector and the outer sleeve remain relatively fixed in the vertical direction, while avoiding wear on the inside of the right connector and the outside of the outer sleeve. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 This is a schematic diagram of the main structure of this utility model; Figure 2 This is a schematic diagram of the structure at the right connector of this utility model; Figure 3 This is a schematic diagram of the structure at the left end of the inner side of the right connector of this utility model; Figure 4 This is a schematic diagram of the structure at the left connector of this utility model; Figure 5 This is a schematic diagram of the connection mechanism of this utility model.
[0016] The markings in the attached diagram are as follows: 1. Left connector; 2. Right connector; 301. Ball bearing; 302. Rubber ring; 401. Connecting pin; 402. Electrical connection layer; 403. Fixing ring; 404. Connecting ring; 405. Side plate; 406. Round shaft; 407. Rotating plate; 408. Locking block; 409. Spring; 410. Outer sleeve; 411. Pressure rod; 412. Retaining ring. Detailed Implementation
[0017] 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.
[0018] This specific embodiment is a push-pull connector designed to prevent loosening, and its structural schematic diagram is shown below. Figures 1 to 3 As shown, the device includes a left connector 1, with a right connector 2 connected to the right end of the left connector 1. A sealing mechanism is connected to the left inner end of the right connector 2. The sealing mechanism includes a ball bearing 301 connected to the left side of the inside of the right connector 2. The left inner end of the right connector 2 has equally spaced circular grooves. The outer side of the ball bearing 301 is rotatably connected to the inner side of the circular grooves, and the outer side of the ball bearing 301 is rollingly connected to the outer side of the outer sleeve 410. Therefore, when the outer sleeve 410 is inserted between the right connector 2 and the electrical connection layer 402, the ball bearing 301 will roll on the outer side of the outer sleeve 410, preventing friction between the inner side of the right connector 2 and the outer sleeve 410. This ensures that the right connector 2 and the outer sleeve 410 remain relatively fixed in the vertical direction while avoiding wear on the inner side of the right connector 2 and the outer side of the outer sleeve 410.
[0019] A rubber ring 302 is attached to the inner side of the left end of the right connector 2, and the inner side of the rubber ring 302 is slidably connected to the outer side of the outer sleeve 410. Therefore, after the left connector 1 and the right connector 2 are connected, the rubber ring 302 on the inner side of the right connector 2 will contact the outer side of the outer sleeve 410, maintaining a seal between the inner side of the right connector 2 and the outer sleeve 410. This, in turn, keeps the connection between the left connector 1 and the right connector 2 sealed, providing waterproofing and dustproofing to the connection point.
[0020] Cooperate Figure 4 and Figure 5As shown, a connecting mechanism is provided at the right end of the left connector 1, and the connecting mechanism includes a connecting pin 401 installed at the right end of the left connector 1. An electrical connection layer 402 is installed at the left end of the inner part of the right connector 2. An outer sleeve 410 is fixedly connected to the right side of the left connector 1 at the outer end of the connecting pin 401. A fixing ring 403 is fixedly connected to the left end of the outer side of the right connector 2. A connecting ring 404 is fixedly connected to the right edge of the left connector 1. Side plates 40 are fixedly connected to the upper and lower ends of the right side of the left connector 1. 5. A circular shaft 406 is connected to the outer side of the side plate 405. A rotating plate 407 is connected to the outer end of the circular shaft 406. Two side plates 405 are fixed to the upper and lower ends of the right side of the left connector 1. The circular shaft 406 is fixedly connected to the end of the two side plates 405 on the adjacent side away from the left connector 1. A through-hole is opened in the middle of the rotating plate 407. The outer side of the circular shaft 406 is rotatably connected to the inner side of the through-hole. The front and rear sides of the rotating plate 407 are slidably connected to the adjacent sides of the two side plates 405. This allows the rotating plate 407 to rotate along the outer side of the circular shaft 406 between the adjacent side plates 405.
[0021] A locking block 408 is fixedly connected to the side of the rotating plate 407 closest to the outer sleeve 410, away from the left connector 1. A spring 409 is fixedly connected to the side of the rotating plate 407 closest to the connecting needle 401, near the left connector 1. The end of the spring 409 furthest from the rotating plate 407 is fixedly connected to the upper or lower end of the outer sleeve 410 on the left side. Pressure rods 411 are connected to the upper and lower ends of the connecting ring 404. A retaining ring 412 is fixedly connected to the outer end of the pressure rod 411 inside the connecting ring 404. The right side of the locking block 408 is an inclined surface. Inclined grooves are symmetrically formed at the upper and lower ends of the left side of the fixing ring 403. The inclined angles of the right side of the locking block 408 and the inclined grooves are the same. The right side of the locking block 408 is slidably connected to the inner side of the inclined groove. When the left connector 1 and the right connector 2 are connected, the electrical connection layer 402 slides to the inside of the outer sleeve 410. Simultaneously, the connecting pin 401 is inserted into the electrical connection layer 402. At the same time, the rotating plate 407 moves relative to the fixing ring 403. During this movement, the locking block 408 slides to the inside of the inclined groove at the left end of the fixing ring 403, sliding along the inclined groove and causing the rotating plate 407 to rotate around the circular shaft 406. Simultaneously, the spring 409 is compressed, and the locking block 408 moves away from the outer sleeve 410 until it passes the fixing ring 403. Then, the spring 409 rebounds, pushing the rotating plate 407 to rotate, thus locking the pin. When block 408 is pushed to the right end of fixing ring 403, the electrical connection layer 402 is completely inserted into the outer sleeve 410. The left connector 1 and the right connector 2 can no longer get close to each other. At the same time, the locking block 408 is located at the right end of fixing ring 403, so that the left connector 1 and the right connector 2 can no longer move away from each other. Thus, the left connector 1 and the right connector 2 can no longer move relative to each other. Even if wear occurs between the relatively sliding outer sleeve 410 and the electrical connection layer 402 and the left end of the right connector 2 when the left connector 1 and the right connector 2 are connected and separated, it will not affect the relative fixation of the left connector 1 and the right connector 2.
[0022] In addition, the upper and lower ends of the connecting ring 404 are provided with sliding holes, the outer side of the pressure rod 411 is slidably connected to the inner side of the sliding hole, the side of the retaining ring 412 away from the outer sleeve 410 abuts against the upper or lower end of the inner side of the connecting ring 404, and the side of the pressure rod 411 near the outer sleeve 410 abuts against the end of the rotating plate 407 away from the outer sleeve 410 near the left connector 1. Thus, when the rotating plate 407 is not affected by external force, the spring 409 will push the rotating plate 407 to a horizontal state, and cause the end of the pressure rod 411 away from the rotating plate 407 to be pushed out of the connecting ring 404. When it is necessary to separate the left connector 1 and the right connector 2, the pressure rod 411 is pressed by the connecting ring 404, pushing the end of the rotating plate 407 close to the left connector 1 to move, so that the rotating plate 407 rotates around the circular shaft 406, so that the locking block 408 moves away from the fixing ring 403, so that the left connector 1 and the right connector 2 are no longer relatively fixed, and then the left connector 1 and the right connector 2 can be pulled to separate.
[0023] Working principle: When connecting the left connector 1 and the right connector 2, the power connection layer 402 is slid to the inside of the outer sleeve 410. At the same time, the connecting pin 401 is inserted into the power connection layer 402. Simultaneously, the rotating plate 407 moves relative to the fixing ring 403. During the movement, the locking block 408 slides to the inside of the inclined groove at the left end of the fixing ring 403. It slides along the inclined groove, causing the rotating plate 407 to rotate around the circular shaft 406. At the same time, the spring 409 is compressed, and the locking block 408 moves away from the outer sleeve 410. After the locking block 408 passes the fixing ring 403, the spring 409 rebounds and pushes the rotating plate 407 to rotate, pushing the locking block 408 to the right end of the fixing ring 403. At this time, the power connection layer 402 is completely inserted into the outer sleeve 410, and the left connector 1 and the right connector 2 are fixed relative to each other and the connection is completed.
[0024] All technical features in this embodiment can be freely combined according to actual needs.
[0025] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A push-pull connector with anti-loosening feature, comprising a left connector (1), characterized in that, The right end of the left connector (1) is connected to a right connector (2). The left end of the inside of the right connector (2) is connected to a sealing mechanism. The right end of the left connector (1) is provided with a connecting mechanism, which includes a connecting pin (401) installed on the right end of the left connector (1). The left end of the inside of the right connector (2) is provided with an electrical connection layer (402). An outer sleeve (410) is fixedly connected to the right side of the left connector (1) at the outer end of the connecting pin (401). A fixing ring (403) is fixedly connected to the left end of the outer side of the right connector (2). A connecting ring (404) is fixedly connected to the right edge of the left connector (1). 1) Side plates (405) are fixedly connected to the upper and lower ends of the right side. A round shaft (406) is connected to the outer side of the side plate (405). A rotating plate (407) is connected to the outer end of the round shaft (406). A locking block (408) is fixedly connected to the side of the rotating plate (407) away from the left connector (1) and close to the outer sleeve (410). A spring (409) is fixedly connected to the side of the rotating plate (407) close to the connecting iron needle (401) and close to the left connector (1). A pressure rod (411) is connected to the upper and lower ends of the connecting ring (404). A retaining ring (412) is fixedly connected to the outer end of the pressure rod (411) located inside the connecting ring (404).
2. The anti-loosening push-pull connector according to claim 1, characterized in that, The sealing mechanism includes a ball bearing (301) connected to the left side inside the right connector (2), and a rubber ring (302) is attached to the inner side of the left end of the right connector (2).
3. The anti-loosening push-pull connector according to claim 1, characterized in that, The upper and lower ends of the right side of the left connector (1) are fixed with two side plates (405), and the ends of the two side plates (405) that are far from the left connector (1) are fixedly connected with a round shaft (406). A rotating hole that runs through the front and back is opened in the middle of the rotating plate (407). The outer side of the round shaft (406) is rotatably connected to the inner side of the rotating hole. The front and rear sides of the rotating plate (407) are slidably connected to the adjacent sides of the two side plates (405).
4. The anti-loosening push-pull connector according to claim 1, characterized in that, The end of the spring (409) away from the rotating plate (407) is fixedly connected to the upper or lower end of the outer left side of the outer sleeve (410).
5. A push-pull connector for preventing loosening according to claim 1, characterized in that, The right side of the card block (408) is an inclined surface, and the upper and lower ends of the left side of the fixing ring (403) are symmetrically provided with inclined grooves. The inclined angles of the right side of the card block (408) and the inclined grooves are the same. The right side of the card block (408) is slidably connected to the inside of the inclined groove.
6. The anti-loosening push-pull connector according to claim 1, characterized in that, The connecting ring (404) has sliding holes at both ends. The outer side of the pressure rod (411) is slidably connected to the inner side of the sliding hole. The side of the retaining ring (412) away from the outer sleeve (410) abuts against the upper or lower end of the inner side of the connecting ring (404). The side of the pressure rod (411) near the outer sleeve (410) abuts against the end of the rotating plate (407) away from the outer sleeve (410) near the left connector (1).
7. A push-pull connector for preventing loosening according to claim 2, characterized in that, The inner left end of the right connector (2) has circular grooves at equal intervals. The outer side of the ball (301) is rotatably connected to the inner side of the circular groove, and the outer side of the ball (301) is tumbledly connected to the outer side of the outer sleeve (410).
8. A push-pull connector for preventing loosening according to claim 2, characterized in that, The inner side of the rubber ring (302) is slidably connected to the outer side of the outer sleeve (410).