CN220470884U - Anti-drop structure and socket joint welding union - Google Patents

Abstract

The utility model relates to the technical field related to socket welding movable joints, in particular to an anti-falling structure and a socket welding movable joint, wherein the anti-falling structure comprises a nut, a first joint, a second joint and an anti-falling assembly, a thread groove is formed in the nut, and a groove is formed in the right end of the thread groove; one end of the first joint main body is provided with a thread and is connected to the thread groove through the thread in a threaded manner, and the first joint is fixedly connected with a ratchet wheel; the second connector is clamped on the nut, and extends out of the nut; the anti-drop component is fixedly arranged on the groove of the nut; the rotation direction of the second joint is limited by the ratchet wheel and the pawl, so that the first joint body is controlled to rotate anticlockwise, the nut and the first joint are prevented from being loosened by screw connection, one end of the pawl extends out of the nut, when the disassembly is needed, the pawl is opened by pulling a rotating rod extending out of the pawl, the limitation on the ratchet wheel is relieved, the first joint is rotated, and the first joint and the second joint are detached.

Description

Anti-drop structure and socket joint welding union

Technical Field

The utility model relates to the technical field related to socket welding movable joints, in particular to an anti-drop structure and a socket welding movable joint.

Background

The movable joint is used as a connecting pipe fitting, is a common pipeline connecting piece which can be conveniently assembled and disassembled, and is widely applied to pipeline connection in a plurality of industries such as water supply pipelines, gas transmission pipelines and the like;

however, in the prior art, two ends of the socket joint welding movable joint are usually connected only by common threads, and when the socket joint welding movable joint is used in daily life, a water hammer effect is generated in the process of conveying tap water by a pipeline, so that the pipe fitting is driven to vibrate to loosen the threaded connection, and thus leakage of the pipeline occurs, and potential safety hazards exist.

Disclosure of Invention

The utility model aims to provide an anti-drop structure and a socket joint welding movable joint, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an anti-slip structure, the anti-slip structure comprising:

the nut is internally provided with a thread groove, and the right end of the thread groove is provided with a groove;

the first connector comprises a first connector main body and a ratchet wheel, wherein one end of the first connector main body is provided with threads and is connected to the thread groove through the threads in a threaded manner, and the ratchet wheel is fixedly connected to the first connector;

the second connector is clamped on the nut and extends out of the nut;

the anti-drop assembly is fixedly arranged on the groove of the nut and comprises a spring, a pawl and a pawl rotating shaft.

Preferably, a pawl rotating shaft is fixedly arranged in the groove, a pawl is rotatably arranged on the pawl rotating shaft, one end of the pawl is pressed on the ratchet wheel, and the other end of the pawl extends out of the groove.

Preferably, the anti-falling structure according to claim is characterized in that: the pawl is close to the side face of one end of the ratchet wheel and is fixedly provided with a spring, and the other end of the spring is fixedly connected with the inner side face of the nut.

Preferably, the outside of anticreep subassembly is equipped with protection device, protection device includes protection box, cartridge head, pivot seat and protection box pivot, the outside fixed mounting pivot seat of nut, and pivot seat is located one side of recess, the protection box pivot is connected in the pivot seat rotation, and protection box pivot fixed mounting is in the one end of protection box.

Preferably, the nut is fixedly connected with the cartridge head, the cartridge head is positioned at the other side of the protection box, and when the protection device is closed, one side of the protection box is just clamped in the cartridge head.

Preferably, joint of the first joint and the second joint and joint of the second joint and the nut are both provided with sealing rubber strips.

A socket joint welding movable joint is provided with the anti-drop structure.

Compared with the prior art, the utility model has the beneficial effects that:

1. an anti-falling structure is formed by arranging a nut, a first joint, a second joint and an anti-falling assembly; the rotation direction of the second joint is limited by the ratchet wheel and the pawl to control the first joint main body to rotate anticlockwise, so that the screw joint of the nut and the first joint is prevented from loosening, and the connection disconnection of the first joint and the second joint is prevented.

2. And one end of the pawl extends out of the nut, when the disassembly is needed, the pawl is opened by pulling a rotating rod extending out of the pawl, so that the limit on the ratchet wheel is removed, and the first connector is rotated, so that the first connector and the second connector are detached.

3. And a protection device is arranged at the position of the rotating rod extending out of the pawl, so that the disconnection preventing assembly is prevented from being opened by mistake, and the joints at the two ends are prevented from being disconnected.

Drawings

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

FIG. 2 is a schematic rear side view of the structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure shown in FIG. 2A;

FIG. 4 is a half cross-sectional view of the present utility model;

FIG. 5 is an enlarged schematic view of the structure shown at B in FIG. 4;

FIG. 6 is an enlarged schematic view of the structure at C in FIG. 4;

FIG. 7 is a side cross-sectional view of the present utility model;

fig. 8 is a schematic view of the position of the anti-falling device of the present utility model.

In the figure: nut 1, first joint 2, second joint 3, anticreep subassembly 4, first joint main part 5, ratchet 6, screw thread 7, thread groove 8, spring 9, pawl 10, protection box 11, cartridge head 12, pivot seat 13, protection box pivot 14, pawl pivot 15.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1-8, the present utility model provides three preferred embodiments:

example 1

The anti-falling structure comprises a nut 1, a first joint 2, a second joint 3 and an anti-falling assembly 4, wherein a thread groove 8 is formed in the nut 1, and a groove is formed in the right end of the thread groove 8; the first joint 2 comprises a first joint main body 5 and a ratchet wheel 6, wherein one end of the first joint main body 5 is provided with a thread 7, and the first joint main body is in threaded connection with a thread groove 8 through the thread 7, and the ratchet wheel 6 is fixedly connected to the first joint 2; the second connector 3 is clamped on the nut 1, and the second connector 3 extends out of the nut 1; the anti-falling component 4 is fixedly arranged on a groove of the nut 1, the anti-falling component 4 comprises a spring 9, a pawl 10 and a pawl rotating shaft 15, and an anti-falling structure formed by the nut 1, the first joint 2, the second joint 3 and the anti-falling component 4 is arranged; the ratchet 6 and the pawl 10 limit the rotation direction of the second joint 3 so as to control the first joint body 5 to rotate anticlockwise, thereby avoiding the screw connection looseness of the nut 1 and the first joint 2, avoiding the connection disconnection of the first joint 2 and the second joint 3, and one end of the pawl 10 extends out of the nut 1, when the disassembly is needed, the pawl 10 is opened by stirring the rotating rod extending out of the pawl 10, so that the limit on the ratchet is relieved, and the first joint is rotated again, so that the first joint and the second joint are disassembled.

A pawl rotating shaft 15 is fixedly arranged in the groove, a pawl 10 is rotatably arranged on the pawl rotating shaft 15, one end of the pawl 10 is pressed on the ratchet wheel 6, and the other end of the pawl extends out of the groove;

a spring 9 is fixedly arranged on the upper side surface of one end, close to the ratchet wheel 6, of the pawl 10, and the other end of the spring 9 is fixedly connected to the inner side surface of the nut 1;

sealing rubber strips are arranged at the joint of the first joint 2 and the second joint 3 and the joint of the second joint 3 and the nut 1;

example two

On the basis of the first embodiment, a protection device is arranged on the outer side of the anti-falling component 4, the protection device comprises a protection box 11, a box head 12, a rotating shaft seat 13 and a protection box rotating shaft 14, the rotating shaft seat 13 is fixedly arranged on the outer side of the nut 1, the rotating shaft seat 13 is positioned on one side of the groove, the rotating shaft seat 13 is rotationally connected with the protection box rotating shaft 14, the protection box rotating shaft 14 is fixedly arranged at one end of the protection box 11, the box head 12 is fixedly connected on the nut 1, the box head 12 is positioned on the other side of the protection box 11, and when the protection device is closed, one side of the protection box 11 is exactly clamped in the box head 12, so that the situation that two ends of the anti-falling component are separated due to the fact that the anti-falling component is opened by error touch is avoided;

example III

On the basis of the second embodiment, a socket welding movable joint is provided with the anti-drop structure;

working principle: during actual use, during installation, the second connector 3 is clamped onto the nut 1, the second connector 3 extends out of the nut 1, the first connector 2 is rotated anticlockwise, the first connector 2 is screwed into the nut 1 and is tightly pressed against the second connector 3, the pawl 10 is pushed by the spring 9, the ratchet 6 is clamped by the pawl to limit the rotation direction of the ratchet 6, so that the rotation direction of the first connector 2 is limited, the first connector 2 is prevented from loosening due to clockwise rotation of the first connector 2, meanwhile, the protection box 11 is blocked by the blocking box head 12, the protection box 11 is closed, and the first connector 2 is prevented from loosening due to the fact that the anti-drop component is opened by mistakenly touching the outer side of the pawl 10; when the protective box 11 is disassembled and repaired, the pawl 10 is shifted to enable the pawl 10 to move out of the ratchet 6, so that the limit of the pawl 10 on the first connector 2 is released, and meanwhile, the first connector 2 is rotated clockwise, so that the nut 1, the first connector 2 and the second connector 3 are disassembled for maintenance.

While the foregoing has been described in terms of illustrative embodiments thereof, so that those skilled in the art may appreciate the present application, it is not intended to be limited to the precise embodiments so that others skilled in the art may readily utilize the present application to its various modifications and variations which are within the spirit and scope of the present application as defined and determined by the appended claims.

Claims (7)

1. An anticreep structure, its characterized in that: the anti-drop structure includes:

the nut (1), a thread groove (8) is arranged in the nut (1), and a groove is arranged at the right end of the thread groove (8);

the first connector (2) comprises a first connector main body (5) and a ratchet wheel (6), wherein one end of the first connector main body (5) is provided with a thread (7) and is in threaded connection with a thread groove (8) through the thread (7), and the ratchet wheel (6) is fixedly connected to the first connector (2);

the second connector (3) is clamped on the nut (1), and the second connector (3) extends out of the nut (1);

the anti-falling assembly (4), anti-falling assembly (4) fixed mounting is on the recess of nut (1), anti-falling assembly (4) include spring (9), pawl (10) and pawl pivot (15).

2. The anti-drop structure according to claim 1, wherein: the pawl rotating shaft (15) is fixedly arranged in the groove, the pawl (10) is rotatably arranged on the pawl rotating shaft (15), one end of the pawl (10) is pressed on the ratchet wheel (6), and the other end of the pawl extends out of the groove.

3. An anti-slip structure according to claim 2, wherein: the pawl (10) is close to the side face of one end of the ratchet wheel (6), a spring (9) is fixedly arranged on the side face, and the other end of the spring (9) is fixedly connected to the inner side face of the nut (1).

4. The anti-drop structure according to claim 1, wherein: the outside of anticreep subassembly (4) is equipped with protection device, protection device includes protection box (11), cartridge head (12), pivot seat (13) and protection box pivot (14), the outside fixed mounting pivot seat (13) of nut (1), and pivot seat (13) are located one side of recess, protection box pivot (14) are connected in pivot seat (13) internal rotation, and the one end of protection box pivot (14) fixed mounting protection box (11).

5. The anti-drop structure according to claim 4, wherein: the nut (1) is fixedly connected with the cartridge head (12), the cartridge head (12) is positioned on the other side of the protection box (11), and when the protection device is closed, one side of the protection box (11) is just clamped in the cartridge head (12).

6. The anti-drop structure according to claim 1, wherein: joint of the first joint (2) and the second joint (3) and joint of the second joint (3) and the nut (1) are both provided with sealing rubber strips.

7. The utility model provides a socket joint welds union which characterized in that: the socket joint welding movable joint is provided with the anti-falling structure as claimed in any one of claims 1 to 6.