CN212968367U

CN212968367U - Quick locking connecting device

Info

Publication number: CN212968367U
Application number: CN202021839032.8U
Authority: CN
Inventors: 熊礼丽; 刘小凤
Original assignee: Sichuan Huafeng Technology Co Ltd
Current assignee: Sichuan Huafeng Enterprise Group Co; Sichuan Huafeng Technology Co Ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-13
Anticipated expiration: 2030-08-28

Abstract

The utility model relates to a quick locking connection device belongs to connector technical field, has solved current product and has adopted conventional helicitic texture, wastes time and energy in the operation process, and locking is consuming time longer, and does not have the function of splining, and the locking reliability is poor, and the security does not have the problem of assurance. The utility model discloses a pitch to fastening bolt locking screw adjusts and changes single-thread screw thread into multi-thread screw thread mode increase screw thread helical pitch to urging fastening bolt and fastening nut can close soon fast and put in place, simultaneously the utility model discloses an increase the structure of splining, prevent through the effect of compressing tightly of elastic component (ripple spring) and the multicontact structure between stopping ring gear and the lock washer that fastening bolt takes place to rotate for fastening nut, connection reliability is strong.

Description

Quick locking connecting device

Technical Field

The utility model relates to a connector technical field especially relates to a quick locking connection device.

Background

The conventional standard thread structure is adopted for locking in the conventional filtering electric connector product for a vehicle-mounted system, the lead distance is small, the locking screwing times are more, the time is too long, and the rotation stopping function is not provided. The prior art product has poor reliability and no rotation stopping function, and the connecting stud is easy to rotate in the connector, so that the connection is loosened and the reliability is poor.

SUMMERY OF THE UTILITY MODEL

In view of the above analysis, the present invention is directed to a quick locking connector for solving the problem of poor reliability of the existing connector plug and socket connection.

The purpose of the utility model is mainly realized through the following technical scheme:

a quick-lock connection comprising: the plug assembly, the socket assembly, the fastening bolt, the fastening nut and the rotation stopping structure; wherein the fastening nut is arranged on the socket component; the fastening bolt penetrates through the plug assembly and is in threaded connection with the fastening nut; after the fastening bolt is screwed with the fastening nut, the plug assembly and the socket assembly can be plugged oppositely, and signal transmission can be realized after the plug assembly and the socket assembly are plugged oppositely.

Furthermore, a hand wheel is fixedly installed at one end of the fastening bolt, and the other end of the fastening bolt is in threaded connection with the fastening nut.

Further, the fastening bolt is a multiple thread.

Further, the thread lead of the fastening bolt is one third to one half of the height of the fastening nut.

Furthermore, a threaded hole is formed in the plug assembly, and the fastening bolt is connected with the threaded hole through threads.

Furthermore, a rotation stopping structure is arranged between the hand wheel and the socket assembly, and the rotation stopping structure can prevent the hand wheel and the socket assembly from rotating mutually.

Furthermore, the rotation stopping structure comprises an elastic piece, and the elastic piece is arranged between the plug assembly and the hand wheel; after the fastening bolt and the fastening nut are screwed, the elastic piece is in a compressed state.

Further, the elastic member is a wave spring.

Further, the rotation stopping structure further comprises: a backstop gear ring and a stop washer; the backstop gear ring and the stop washer are sleeved on the outer side of the fastening bolt; the backstop gear ring is fixedly connected with the hand wheel; the stop washer is arranged between the backstop gear ring and the elastic piece.

Furthermore, the upper part of the backstop gear ring is fixedly connected with the hand wheel; the lower surface of the stopping ring gear is provided with a gear groove which is a one-way gear groove, and the rotation direction of the gear groove is consistent with the rotation direction of the fastening bolt and the fastening nut.

The utility model discloses a quick locking connection device's technical scheme has one of following beneficial effect at least:

1. the utility model discloses a nonstandard helicitic texture, through to the adjustment of pitch with increase for the mode of multi-thread screw thread helical pitch, lock state is reached fast when rotatory, locking time is short.

2. The utility model discloses increase between plug subassembly and hand wheel and spline the structure, prevent that fastening bolt and fastening nut from untwisting through the multicontact structure between elastic component (ripple spring), stopping ring gear and the spline packing ring, strengthened the connection reliability.

The utility model discloses in, can also make up each other between the above-mentioned each technical scheme to realize more preferred combination scheme. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.

Fig. 1 is a quick locking connection device of the present invention;

fig. 2 is an exploded view of a quick lock coupling of the present invention;

FIG. 3 is a cross-sectional view of a stopping structure.

Reference numerals:

1-a plug assembly; 2-a socket assembly; 3-hand wheel; 4-locking the bolt; 5-rotation stopping structure; 6-locking the nut; 7-stopping the toothed ring; 8-a stop washer; 9-wave spring.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of the invention, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection, which may be a mechanical connection, an electrical connection, which may be a direct connection, or an indirect connection via an intermediate medium. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The terms "top," "bottom," "above … …," "below," and "on … …" as used throughout the description are relative positions with respect to components of the device, such as the relative positions of the top and bottom substrates inside the device. It will be appreciated that the devices are multifunctional, regardless of their orientation in space.

A specific embodiment of the present invention, as shown in fig. 1-3, discloses a quick locking connection device, comprising: the plug assembly comprises a plug assembly 1, a socket assembly 2, a hand wheel 3, a locking bolt 4 and a locking nut 6.

Wherein, plug subassembly 1 and socket subassembly 2 can realize signal transmission and electric connection after to inserting, and socket subassembly 2 assembles with plug subassembly 1 and forms the socket connector.

The socket component 2 is fixedly provided with a locking nut 6, the locking nut 6 is fixedly connected with the socket component 2 through welding, or the locking nut 6 and the main structure of the socket component 2 are integrally formed.

Specifically, the lock nut 6 is provided with an internal thread, which can be coupled with an external thread on the lock bolt 4.

Specifically, the plug assembly 1 is provided with a threaded hole, and the threaded hole can be coupled with the external thread of the locking bolt 4.

Furthermore, one end of a fastening bolt 4 is fixedly connected with the hand wheel 3, and the other end of the fastening bolt passes through a threaded hole in the plug assembly 1 and is in threaded connection with a locking nut 6.

Further, the surface of the hand wheel 3 is provided with convex ribs which are used for increasing friction force, so that the hand wheel 3 is convenient to rotate, and the fastening bolt 4 and the fastening nut 6 are locked in a threaded mode.

The product in the prior art adopts a conventional standard thread structure for locking, has a small lead distance, more locking screwing times and overlong time, and has no rotation stopping function.

Further, in order to reduce the number of times of screwing together, when shortening the connection and using, the utility model discloses a fastening bolt 4 adopts non-standard helicitic texture, increases the screw thread helical pitch for the mode of multi-thread screw thread through the adjustment to pitch and increase.

Lead generally refers to the axial distance in a thread or worm from the adjacent corresponding point on the helix. When the thread or worm is formed by a helix, the lead is equal to the pitch; when the thread or worm is formed by several helical threads, the lead is equal to the product of the pitch and the number of threads. The distance of the thread surrounding the screw rod for one circle is called the lead, so that the direct viewing understanding is that the thread pitch of the single thread is equal to the lead, the lead of the double-thread is equal to 2 times of the thread pitch, the lead of the triple-thread is equal to 3 times of the thread pitch, and the analogy is repeated.

The utility model discloses an among the concrete implementation mode, fastening bolt 4's external screw thread adopts three-start thread, and the screw thread helical pitch is two-thirds (2/3) of fastening nut 6 height, and fastening bolt 4 locking closes 540 back soon and reaches the locking state, and locking is convenient, and locking time is short.

The utility model discloses a hand wheel 3 closes lock bolt 4 soon and closes the locking with lock nut 6 on the socket subassembly 2 soon, and lock bolt 4 closes the locking with lock nut 6 soon, reaches plug subassembly 1 and socket subassembly 2 and inserts the function that closes the locking that targets in place, realizes signal transmission simultaneously. The locking nut 6 and the locking bolt 4 both adopt a multi-thread mode to increase the thread lead, so that the effects of short screwing time and less rotation times are achieved.

The utility model is used for on-vehicle system's filtering electric connector, filtering electric connector specifically are used for ordinary signal or power signal transmission. The loose connection between the connector plug assembly 1 and the socket assembly 2 easily causes the technical problems of signal transmission interruption and the like.

Therefore, the utility model discloses increase on the locking bolt 4 and prevent to take place not hard up structure 5 that splines between locking bolt 4 and lock nut 6, structure 5 that splines can prevent the unblock after bolt and nut locking. The connector prevents to take place not hard up in the use through locking back of locking structure soon, makes the utility model discloses a locking process of locking structure soon is faster, and the reliability is higher.

Further, the rotation stop structure 5 includes: a backstop gear ring 7, a stop washer 8 and a wave spring 9.

Specifically, a circular groove is formed in the housing of the plug assembly 1, the anti-backing ring gear 7, the lock washer 8 and the wave spring 9 are all arranged in the circular groove, and after the fastening bolt 4 and the fastening nut 6 are locked, the anti-rotation structure is used for preventing the fastening bolt 4 from rotating relative to the plug assembly 1.

Furthermore, a stopping toothed ring 7 is sleeved on the outer side of the fastening bolt 4, and the stopping toothed ring 7 is fixedly connected with the hand wheel 3; namely, the hand ring 3, the fastening bolt 4 and the backstop toothed ring 7 are fixed together and synchronously rotated or locked.

Further, the stop washer 8 and the ripple spring 9 are sleeved on the outer side of the fastening bolt 4.

Further, the stopper washer 8 is made of a metal material and has a rough surface, or the stopper washer 8 is made of a rubber material.

Further, as shown in fig. 3, a stopper washer 8 is provided between the backstop gear ring 7 and the wave spring 9, and the stopper washer 8 is used to prevent the locked connector from being automatically unlocked.

Further, a wave spring 9 is provided between the stop washers of the plug assembly 1. The wave spring 9 has an elastic force, and can prevent the locked connector from being automatically unlocked.

Furthermore, an inclined gear groove is formed in the stopping gear ring 7, the gear groove is a one-way gear groove and is in contact with the upper surface of the stop washer 8, when the plug assembly 1 and the socket assembly 2 are screwed and locked, the gear groove in the stopping gear ring 7 is consistent with the screwing direction of the fastening bolt 4 and the fastening nut 6, and at the moment, screwing is unimpeded; when unlocking, the screwing direction of the gear groove is opposite to the screwing direction of the fastening bolt 4 and the fastening nut 6, an upward blocking force (elastic force) can be generated through the elastic force of the elastic piece (the corrugated spring 9) to block the rotation of the backstop gear ring 7 relative to the stop washer 8, so that the product is blocked from unlocking, and the product can be unlocked only by applying certain force.

After the fastening bolt 4 and the fastening nut 6 are screwed and locked, the rotation stopping structure 5 can prevent the fastening bolt 4 and the fastening nut 6 from being unscrewed. Specifically, after the fastening bolt 4 and the fastening nut 6 are screwed and locked, the ripple spring 9 is in a compressed state, the spring force of the ripple spring 9 pushes the stop washer 8 upwards, and the ripple spring 9 presses the anti-backing ring gear 7 and the stop washer 8 against each other. When the stopping toothed ring 7 and the stop washer 8 are pressed against each other, the one-way rotation teeth on the stopping toothed ring 7 and the stop washer 8 are pressed against each other, and the stop washer 8 can prevent the stopping toothed ring 7 from rotating reversely (in the direction of unscrewing).

When in implementation, the utility model discloses a quick locking connection device's installation does:

first, the backstop ring gear 7 is fixedly attached to the hand wheel 3 by welding and is positioned outside the fastening bolt 4.

Next, the lock washer 8 and the wave spring 9 are fitted over the fastening bolt 4 in this order.

And finally, the fastening bolt 4 penetrates through the plug assembly 1 and is screwed and fastened with the fastening nut 6, so that the connection between the plug assembly 1 and the socket assembly is realized.

After the fastening bolt 4 and the fastening nut 6 are screwed, the stopping toothed ring 7, the stop washer 8 and the corrugated spring 9 are mutually extruded, the corrugated spring 9 is in a compressed state, the spring elasticity of the corrugated spring 9 enables the gear groove of the stopping toothed ring 7 and the upper surface of the stop washer 8 to be mutually extruded, the rotation of the stopping toothed ring 7 relative to the stop washer 8 is limited, the fastening bolt 4 and the fastening nut 6 are further prevented from relatively rotating, and the connection reliability is guaranteed.

The utility model is used for the filtering electric connector of on-vehicle system specifically is used for ordinary signal or power signal transmission. The conventional thread structure is adopted in the existing products of the same type, time and labor are wasted in the operation process, the locking device is long in time consuming in locking, the rotation stopping function is not provided, the locking reliability is poor, and the safety is not guaranteed.

The utility model discloses a pitch through to locking screw thread is adjusted and is changed into multi-thread screw mode with single thread and increase the screw thread helical pitch to make bolt and nut can close soon fast and target in place and reach the purpose of appointed height and locking, simultaneously the utility model discloses an increase spline structure, make through elastic component (ripple spring 9) and compress tightly between stopping ring gear 7 and the lock washer 8 to prevent through the multicontact structure (gear groove) between stopping ring gear 7 and the lock washer 8 that stopping ring gear 7 and lock washer 8 rotate relatively, and then prevent that fastening bolt 4 and fastening nut 6 from taking place relative rotation, guarantee plug subassembly 1 and socket subassembly 2's effective connection, connection reliability is strong.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims

1. A quick-lock connection, comprising: the plug assembly (1), the socket assembly (2), a fastening bolt (4), a fastening nut (6) and a rotation stopping structure (5); wherein the fastening nut (6) is arranged on the socket component (2); the fastening bolt (4) penetrates through the plug assembly (1), and the fastening bolt (4) is in threaded connection with the fastening nut (6); after the fastening bolt (4) is screwed with the fastening nut (6), the plug assembly (1) and the socket assembly (2) can be plugged oppositely, and the plug assembly (1) and the socket assembly (2) can realize signal transmission after being plugged oppositely.

2. The quick-locking connection device as claimed in claim 1, characterized in that the fastening bolt (4) has one end fixedly provided with the hand wheel (3) and the other end in threaded connection with the fastening nut (6).

3. Quick-lock connection according to claim 1 or 2, characterized in that the fastening bolt (4) is a multiple-start thread.

4. Quick-lock connection according to claim 1 or 2, characterised in that the thread lead of the fastening bolt (4) is one third to one half of the height of the fastening nut (6).

5. The quick-locking connection device according to claim 2, characterized in that the plug assembly (1) is provided with a threaded hole, and the fastening bolt (4) is in threaded connection with the threaded hole.

6. Quick-lock connection according to claim 2 or 5, characterised in that a rotation stop structure (5) is provided between the hand wheel (3) and the socket assembly (2), the rotation stop structure (5) being capable of preventing mutual rotation between the hand wheel (3) and the socket assembly (2).

7. Quick-lock connection according to claim 6, characterised in that the rotation stop arrangement (5) comprises an elastic element arranged between the plug assembly (1) and the hand wheel (3); after the fastening bolt (4) and the fastening nut (6) are screwed tightly, the elastic piece is in a compressed state.

8. Quick-locking connection according to claim 7, characterized in that the elastic element is a wave spring (9).

9. Quick-lock connection according to claim 7 or 8, characterised in that the anti-rotation structure (5) further comprises: a backstop gear ring (7) and a stop washer (8); the backstop gear ring (7) and the stop washer (8) are sleeved on the outer side of the fastening bolt (4); the backstop gear ring (7) is fixedly connected with the hand wheel (3); the stop washer (8) is arranged between the backstop gear ring (7) and the elastic piece.

10. Quick-locking connection according to claim 9, characterised in that the upper part of the retaining ring gear (7) is fixedly connected to the hand wheel (3); the lower surface of stopping ring gear (7) sets up the gear groove, the gear groove is one-way gear groove, the direction of revolving in gear groove is unanimous with the direction of closing soon of fastening bolt (4) and fastening nut (6).