CN220396805U

CN220396805U - Knurled thread quick connector

Info

Publication number: CN220396805U
Application number: CN202321840245.6U
Authority: CN
Inventors: 沈海娃
Original assignee: Ningbo Minde Building Materials Co ltd
Current assignee: Ningbo Minde Building Materials Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-01-26
Anticipated expiration: 2033-07-13

Abstract

The utility model relates to a knurled threaded quick connector which comprises a connecting pipeline, wherein a threaded pipe is fixed on the right side of the connecting pipeline, an installation pipeline is connected to the peripheral wall of the threaded pipe in a threaded manner, a sleeve is fixed on the peripheral wall of the connecting pipeline, and a limiting assembly for preventing the installation pipeline and the threaded pipe from loosening and falling is arranged in the sleeve. When the installation pipeline is used, the installation pipeline is inserted into the sleeve and rotates, the installation pipeline can be connected onto the peripheral wall of the threaded pipe in a threaded mode, quick connection with the connecting pipeline is completed, after the installation pipeline is completely screwed into the sleeve, the limiting component can lock the installation pipeline and the sleeve to limit left and right horizontal displacement, the installation pipeline is required to rotate due to the fact that the installation pipeline is connected with the threaded pipe in a threaded mode, the rotation of the installation pipeline is limited by limiting the left and right displacement, the rotation of the installation pipeline is limited relatively, and further the problem that connection stability and tightness are affected due to the fact that the connection with the threaded pipe is not easy due to the fact that the installation pipeline is rotated by external force is solved, and the installation connection is stable and practical.

Description

Knurled thread quick connector

Technical Field

The utility model relates to the technical field of knurled thread quick connectors, in particular to a knurled thread quick connector.

Background

The pipeline joint is an indispensable pipeline part in pipeline connection, and can be divided into an external thread end-connection type pipeline joint, a clamping sleeve type pipeline joint and a self-fixing type pipeline joint according to the use mode.

For example, china patent (publication number: CN 218599049U) discloses a knurled type threaded quick connector, the connector comprises a clamping pipe, one end of the clamping pipe is integrally connected with a clamping bag, the clamping bag is in a circular ring shape, an annular groove is formed in the inner side surface of the clamping bag, sealing rings are arranged on the front side wall and the rear side wall of the groove, a connecting pipe is connected with the other end of the clamping bag, a hexagonal flange is connected to the connecting pipe, the interior of the hexagonal flange is hollow, the hexagonal flange is connected with an external threaded pipe, the connecting pipe and the external threaded pipe are communicated with the hexagonal flange, a plurality of pits are distributed on each thread of the external threaded pipe, the beneficial effects of the patent are that the pressure between a sealing strip and the threads is dispersed when the sealing strip is wound, the sealing strip and the threads are prevented from extruding to cause the derailment of the threads, the clamping bag is arranged, and the clamping pipe and the connected pipeline are directly pressed by a hydraulic clamp during installation, so that the knurled pipe is convenient and quick to install.

However, the above-mentioned search patent still has a little deficiency, it prevents that sealing strip and screw thread from extruding and dying and leading to the screw thread derailment through beating the annular knurl on the external screw thread pipe, but it does not have the structure to prevent the pipeline reversal that external force impelled, leads to the external screw thread pipe threaded connection department to produce reverse rotation easily and loosen, and then has reduced the leakproofness and the stability of junction, so put forward a annular knurl formula screw thread quick-operation joint in order to solve above-mentioned problem.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a knurled screw quick connector which has the advantages of stable connection, capability of preventing the screw connection from loosening and the like, and solves the problems that an external screw tube is easy to loosen due to the inversion of external force and the connection is not stable enough when the retrieval patent is used.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a knurled screw thread quick-operation joint, includes connecting tube, connecting tube's right side is fixed with the screwed pipe, threaded connection has the installation pipeline on the periphery wall of screwed pipe, be fixed with the sleeve on the periphery wall of connecting tube, be equipped with the spacing subassembly that prevents installation pipeline and screwed pipe loosening and drop in the sleeve.

The limiting assembly comprises an annular plate fixed on the peripheral wall of the sleeve, a spring is sleeved on the peripheral wall of the sleeve, a limiting ring is connected to the peripheral wall of the sleeve in a sliding mode, sliding grooves are formed in the top surface and the bottom surface of the sleeve, a sliding block with one end fixed to the peripheral wall of the limiting ring is connected to the sliding groove in a sliding mode, a plurality of movable grooves are formed in the peripheral wall of the sleeve, the limiting plate is connected to the movable grooves in a sliding mode, one side of the limiting plate, which faces the limiting ring, is fixed with a limiting rod which vertically penetrates through the limiting plate and extends to the inside of the sleeve, and an annular groove is formed in the peripheral wall of the installation pipeline.

Further, an external thread groove is formed in the outer peripheral wall of the threaded pipe, an internal thread groove matched with the external thread groove is formed in the inner peripheral wall of the installation pipeline and close to the left end, and a rubber sealing ring is fixed on the inner wall on the left side of the sleeve.

Further, the knurled flange plate is fixed on the peripheral wall of the connecting pipeline and positioned on the left side of the sleeve, the sleeve is hollow and cylindrical with the right side missing, and the sleeve and the connecting pipeline are positioned on the same central axis.

Further, the annular plate is located on the left side of the spring, the limiting ring is located on the right side of the spring, and the sliding groove is used for allowing the sliding block to slide left and right in the sliding groove.

Further, limiting plates and movable grooves are in clearance fit, a plurality of movable grooves are distributed in a circular shape at equal angles by taking the central axis of a connecting pipeline as the center of a circle, hemispherical chamfering is respectively carried out at two ends of the limiting rod, and the annular grooves are arc-shaped grooves.

Further, all offer on telescopic periphery wall and the interior perisporium with the movable groove intercommunication, and be used for supplying the gag lever post to run through and rather than sliding connection's guiding hole, when the spring is the natural state, the slider is located the left side of spout stroke, the both ends of gag lever post respectively with spacing ring's interior perisporium and ring channel butt.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this knurl formula screw thread quick-operation joint, when using, insert the sleeve with the installation pipeline and rotate, alright with its threaded connection on the periphery wall of screwed pipe, accomplish the quick-operation joint with connecting tube, after the installation pipeline precesses sleeve inside completely, spacing subassembly can be with installation pipeline and sleeve lock limit its horizontal displacement about, because of installation pipeline and screwed pipe threaded connection, the displacement must make installation pipeline rotate about, limit its rotation of just relative restriction of displacement about it, and then prevent that the installation pipeline from receiving external force rotation to lead to the problem of connecting stability and leakproofness with the connection of screwed pipe not hard up influence, make the installation connect more stable, and is more practical.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic front view of a spacing assembly of the present utility model;

fig. 3 is an enlarged schematic view of fig. 2 a in accordance with the present utility model.

In the figure: the device comprises a connecting pipeline 1, a threaded pipe 2, a mounting pipeline 3, a sleeve 4, a 5 limit component, a 501 annular plate, a 502 spring, a 503 limit ring, a 504 chute, a 505 sliding block, a 506 movable groove, a 507 limit plate, a 508 limit rod, a 509 annular groove, a 6 external thread groove, a 7 internal thread groove, an 8 rubber seal ring and a 9 knurled flange plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the knurled screw quick connector in this embodiment includes a connecting pipe 1, a threaded pipe 2 is fixed on the right side of the connecting pipe 1, an installation pipe 3 is screwed on the outer peripheral wall of the threaded pipe 2, a sleeve 4 is fixed on the outer peripheral wall of the connecting pipe 1, when in use, the installation pipe 3 is inserted into the sleeve 4 and rotated, the installation pipe can be screwed on the outer peripheral wall of the threaded pipe 2 to complete quick connection with the connecting pipe 1, a limiting component 5 for preventing the installation pipe 3 and the threaded pipe 2 from loosening and falling off is arranged in the sleeve 4, after the installation pipe 3 is completely screwed into the sleeve 4, the limiting component 5 locks the installation pipe 3 and the sleeve 4 to limit left and right horizontal displacement, the installation pipe 3 must be rotated due to the threaded connection of the installation pipe 3, the left and right displacement is limited to relatively limit the rotation, and further the installation pipe 3 is prevented from being rotated by external force to cause connection looseness with the threaded pipe 2 to affect connection stability and tightness, so that the installation connection is more stable and practical.

The limit assembly 5 comprises an annular plate 501 fixed on the peripheral wall of the sleeve 4, a spring 502 is sleeved on the peripheral wall of the sleeve 4, a limit ring 503 is connected on the peripheral wall of the sleeve 4 in a sliding way, the annular plate 501 is positioned on the left side of the spring 502, the limit ring 503 is positioned on the right side of the spring 502, sliding grooves 504 are formed in the top surface and the bottom surface of the sleeve 4, a slide block 505 with one end fixed with the inner peripheral wall of the limit ring 503 is connected in a sliding way, when the limiting ring 503 is pushed to the left, the slide block 505 is driven to slide to the left in the sliding groove 504, the limit ring 503 moves to press the spring 502 in cooperation with the annular plate 501 in the left direction, a plurality of movable grooves 506 are formed in the peripheral wall of the sleeve 4, a limit plate 507 is connected in a sliding way in the movable grooves 506, one side of the limit plate 507 facing the limit ring 503 is fixedly provided with a limit rod 508 which vertically penetrates the limit plate 507 and extends to the inside the sleeve 4, when the limiting ring 503 slides leftwards for a certain distance, the limiting rod 508 is not limited and can drive the limiting plate 507 to slide in the movable groove 506, at the moment, the installation pipeline 3 is inserted into the sleeve 4, the installation pipeline 3 extrudes the limiting rod 508 to move to one side far away from the central axis of the sleeve 4, the outer peripheral wall of the threaded pipe 2 is provided with the external thread groove 6, the inner peripheral wall of the installation pipeline 3 is provided with the internal thread groove 7 matched with the external thread groove 6 and close to the left end, the inner wall at the left side of the sleeve 4 is fixedly provided with the rubber sealing ring 8, the installation pipeline 3 is rotated to be in threaded connection with the threaded pipe 2 through the external thread groove 6 and the internal thread groove 7, during connection, the installation pipeline 3 can move leftwards in the sleeve 4 to seal the rubber sealing ring 8, the outer peripheral wall of the threaded pipe 2 is provided with knurling, and a little sealing tape can be wound during installation to further promote the sealing effect, an annular groove 509 is formed in the peripheral wall of the installation pipeline 3, when the spring 502 is in a natural state, the sliding block 505 is located at the leftmost side of the stroke of the sliding groove 504, two ends of the limiting rod 508 are respectively abutted with the inner peripheral wall of the limiting ring 503 and the annular groove 509, when the installation pipeline 3 moves leftwards, the annular groove 509 is driven to move leftwards, when the annular groove 509 moves to the limiting rod 508, the spring 502 pushes the limiting ring 503 to move rightwards, the limiting ring 503 moves to the limiting rod 508 to squeeze the limiting rod 508 and limit the limiting rod, one end, close to the central axis of the sleeve 4, of the limiting rod 508 is inserted into the annular groove 509, and the installation pipeline 3 is limited and locked, so that the aim of inconvenience caused by unexpected rotation and release of the installation pipeline 3 due to external force is achieved.

The knurled flange plate 9 is fixed on the outer peripheral wall of the connecting pipeline 1 and positioned on the left side of the sleeve 4, the friction force on the side of the flange plate can be increased through knurling on the outer peripheral wall of the flange plate, then the connecting pipeline 1 is rotated through the knurled flange plate 9 to be connected with the mounting pipeline 3, the sleeve 4 is in the shape of a cylinder with hollow inside and missing right side surface, and the sleeve 4 and the connecting pipeline 1 are positioned on the same central axis.

The chute 504 is used for supplying slider 505 to slide in its inside left and right sides, limiting plate 507 and movable groove 506 clearance fit, a plurality of movable grooves 506 are circular equiangular distribution with the axis of connecting tube 1 as the centre of a circle, hemispherical chamfer processing has all been done at the both ends of gag lever post 508, ring channel 509 is the arc recess, make gag lever post 503 and installation tube 3 conveniently promote gag lever post 508 through setting up chamfer processing and remove, all offered on the periphery wall of sleeve 4 and on the interior periphery wall with movable groove 506 intercommunication, and be used for supplying gag lever post 508 to run through and rather than sliding connection's guiding hole.

The working principle of the embodiment is as follows:

when the device is used, the limiting ring 503 is pushed leftwards, the sliding block 505 is driven to slide leftwards in the sliding groove 504, the limiting ring 503 moves leftwards and is matched with the annular plate 501 to squeeze the spring 502, after the limiting ring 503 slides leftwards for a certain distance, the limiting rod 508 is not limited, the limiting plate 507 can be driven to slide inside the movable groove 506, at the moment, the mounting pipeline 3 is inserted into the sleeve 4, the limiting rod 508 is extruded by the mounting pipeline 3 to move to one side far away from the central axis of the sleeve 4, the mounting pipeline 3 is rotated to be in threaded connection with the threaded pipe 2 through the external thread groove 6 and the internal thread groove 7, when the mounting pipeline 3 moves leftwards in the sleeve 4 to seal the rubber sealing ring 8, the annular groove 509 is driven to move leftwards when the mounting pipeline 3 moves leftwards, and when the annular groove 509 moves to the limiting rod 508, the limiting ring 503 is pushed to move rightwards to the limiting rod 508 to squeeze the limiting rod 508 to the limiting rod 508, so that one end of the limiting rod 508, which is close to the central axis of the sleeve 4, is inserted into the annular groove 509, and the mounting pipeline 3 is subjected to limiting locking.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a knurled screw thread quick-operation joint, includes connecting tube (1), its characterized in that: the right side of the connecting pipeline (1) is fixedly provided with a threaded pipe (2), the peripheral wall of the threaded pipe (2) is in threaded connection with a mounting pipeline (3), the peripheral wall of the connecting pipeline (1) is fixedly provided with a sleeve (4), and a limiting component (5) for preventing the mounting pipeline (3) from loosening and falling off from the threaded pipe (2) is arranged in the sleeve (4);

the limiting component (5) comprises an annular plate (501) fixed on the peripheral wall of the sleeve (4), a spring (502) is sleeved on the peripheral wall of the sleeve (4), a limiting ring (503) is connected to the peripheral wall of the sleeve (4) in a sliding mode, sliding grooves (504) are formed in the top surface and the bottom surface of the sleeve (4), sliding blocks (505) with one ends fixed to the inner peripheral wall of the limiting ring (503) are connected to the sliding grooves (504) in a sliding mode, a plurality of movable grooves (506) are formed in the peripheral wall of the sleeve (4), limiting plates (507) are connected to the inner peripheral wall of the movable grooves (506) in a sliding mode, one side of each limiting plate (507) facing to each limiting ring (503) is fixedly provided with a limiting rod (508) which vertically penetrates through the limiting plates (507) and extends to the inner portion of the sleeve (4), and annular grooves (509) are formed in the peripheral wall of the installation pipeline (3).

2. A knurled threaded quick connector as in claim 1, wherein: an external thread groove (6) is formed in the outer peripheral wall of the threaded pipe (2), an internal thread groove (7) matched with the external thread groove (6) is formed in the inner peripheral wall of the installation pipeline (3) and close to the left end, and a rubber sealing ring (8) is fixed on the inner wall on the left side of the sleeve (4).

3. A knurled threaded quick connector as in claim 1, wherein: the left side that just is located on the periphery wall of connecting tube (1) is fixed with annular knurl flange board (9) of sleeve (4), the shape of sleeve (4) is inside cavity and right flank missing cylinder, sleeve (4) are located same axis with connecting tube (1).

4. A knurled threaded quick connector as in claim 1, wherein: the annular plate (501) is positioned on the left side of the spring (502), the limiting ring (503) is positioned on the right side of the spring (502), and the sliding groove (504) is used for allowing the sliding block (505) to slide left and right in the sliding groove.

5. A knurled threaded quick connector as in claim 1, wherein: the limiting plates (507) are in clearance fit with the movable grooves (506), the movable grooves (506) are distributed in a circular shape at equal angles by taking the central axis of the connecting pipeline (1) as the center of a circle, hemispherical chamfering is carried out at two ends of the limiting rod (508), and the annular grooves (509) are arc grooves.

6. A knurled threaded quick connector as in claim 1, wherein: the outer peripheral wall and the inner peripheral wall of the sleeve (4) are respectively provided with a guide hole communicated with the movable groove (506) and used for a limiting rod (508) to penetrate through and be connected with the movable groove in a sliding mode, when the spring (502) is in a natural state, the sliding block (505) is located at the leftmost side of the travel of the sliding groove (504), and two ends of the limiting rod (508) are respectively abutted to the inner peripheral wall of the limiting ring (503) and the annular groove (509).