Sealing gland for pipeline system

Abstract

The utility model is suitable for the technical field of pipeline sealing, and provides a sealing gland for a pipeline system, which comprises a sealing plug, a plurality of sealing rubber rings and a sealing ring, the push rod penetrates through the sealing plug in a sliding mode, and an end plate elastically connected with the sealing plug is arranged at the end, located in the sealing plug, of the push rod; the screw rod is fixedly arranged on the end plate; the rotating pipe is rotatably arranged on the sealing plug in a penetrating mode, a moving seat and a circulating groove are arranged on the rotating pipe, a plurality of clamping plates are arranged on the sealing plug in a sliding mode, connecting rods are rotatably arranged between the moving seat and the clamping plates, the screw rod penetrates into the rotating pipe, a top disc is arranged on the rotating pipe, a rotating disc is rotatably arranged on the top disc, and a threaded hole matched with the screw rod is formed in the rotating disc; an inner ratchet wheel is arranged on the top disc. A pawl is rotationally connected to the rotating disc in a one-way mode. Therefore, according to the utility model, not only can a good sealing effect be ensured, but also quick disassembly and assembly can be realized, the disassembly and assembly difficulty is reduced, the disassembly and assembly time is shortened, and the disassembly and assembly efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline sealing, in particular to a sealing gland for a pipeline system. Background Technique

[0002] A pipeline is a general term for a hollow long body structure that can transport gases and liquids. In daily use, a plurality of pipelines are often used to form a transportation system. In a pipeline system, a sealing gland is often required to seal the pipeline system.

[0003] There are various pipeline sealing devices in the prior art. For example, a large pipeline sealing cover assembly with a publication number of CN203868595U includes a pipeline body and a sealing cover. The end of the pipeline body is provided with an external thread, and the inner hole of the sealing cover is provided with an internal thread that is screwed with the external thread of the pipeline body. The sealing cover is screwed on the end of the pipeline body. An annular sealing gasket is provided between the outer end face of the pipeline body and the inner end face of the sealing cover. The bottom surface of the annular sealing gasket is provided with a plurality of annular pointed protrusions, and the end face of the pipeline body is an annular pointed groove that meshes with the annular pointed protrusions one by one, which can ensure a good sealing effect. However, the pipeline body and the sealing cover in the above device are connected by threads, and a large number of turns need to be turned during disassembly and assembly, and the disassembly and assembly efficiency is relatively low, and it is still inconvenient to use.

[0004] In summary, it is obvious that the prior art has inconveniences and defects in actual use, so it is necessary to improve. Content of the Utility Model

[0005] Aiming at the above defects, the purpose of the utility model is to provide a sealing gland for a pipeline system, which can not only ensure a good sealing effect, but also realize quick disassembly and assembly, reduce the disassembly and assembly difficulty, shorten the time required for disassembly and assembly, and improve the disassembly and assembly efficiency.

[0006] To achieve the above purpose, the utility model provides a sealing gland for a pipeline system, including: a sealing plug, on the outer side wall of which a plurality of sealing rubber rings are provided; a push rod, which slidably penetrates through the sealing plug, and one end of the push rod located inside the sealing plug is provided with an end plate elastically connecting the sealing plug; a screw rod, which is fixedly arranged on the end plate; a rotating tube, which rotatably penetrates through the sealing plug, and a moving seat and a circulation groove are provided on the rotating tube, a plurality of clamping plates are slidably arranged on the sealing plug, a connecting rod is rotatably arranged between the moving seat and each clamping plate, the screw rod penetrates into the rotating tube, a top plate is provided on the rotating tube, a turntable is rotatably arranged on the top plate, a threaded hole matching with the screw rod is provided on the turntable, an internal ratchet is provided on the top plate, and a pawl is unidirectionally rotatably connected to the turntable.

[0007] The sealing gland for a pipeline system according to the present utility model, an accommodation cavity is provided in the sealing plug, and the screw rod, the top plate, the turntable and the end plate are all arranged in the accommodation cavity. A hollow cavity is provided in the rotating pipe, and the screw rod penetrates into the hollow cavity.

[0008] The sealing gland for a pipeline system according to the present utility model, a plurality of elastic members are provided between the end plate and the side wall at one end of the accommodation cavity, and the elastic members are all springs.

[0009] The sealing gland for a pipeline system according to the present utility model, each time the push rod drives the screw rod to reciprocate, the rotating pipe rotates 180°.

[0010] The sealing gland for a pipeline system according to the present utility model, a convex ring is provided at one end of the sealing plug away from the rotating pipe.

[0011] The sealing gland for a pipeline system according to the present utility model, the top surface height of the push rod is flush with the top surface height of the convex ring, or the top surface height of the push rod is slightly lower than the top surface height of the convex ring.

[0012] The purpose of the present utility model is to provide a sealing gland for a pipeline system, and its beneficial effects are as follows:

[0013] 1. By arranging structures such as a push rod, a screw rod, a rotating pipe, a moving seat, a connecting rod and a clamping plate, the disassembly and assembly of the device can be carried out quickly and conveniently, reducing the disassembly and assembly difficulty, shortening the time required for disassembly and assembly of the device, and improving the disassembly and assembly work efficiency;

[0014] 2. By arranging a plurality of sealing rubber rings and the sealing and rotating connection between the rotating pipe and the sealing plug, a good sealing effect can be ensured.

[0015] In summary, the beneficial effects of the present utility model are: it can not only ensure a good sealing effect, but also realize quick disassembly and assembly, reduce the disassembly and assembly difficulty, shorten the time required for disassembly and assembly, and improve the disassembly and assembly efficiency. Description of the Drawings

[0016] Figure 1 is a schematic diagram of the external structure of the present utility model;

[0017] Figure 2 is Figure 1 a partially enlarged schematic diagram of the structure of part A of

[0018] Figure 3 is a front sectional view of the present utility model;

[0019] Figure 4 is Figure 3 a partially enlarged schematic diagram of the structure of part B of

[0020] In the figure: 1 - sealing plug, 11 - convex ring, 12 - sealing rubber ring, 2 - push rod, 21 - end plate, 22 - elastic member, 3 - screw, 4 - rotating tube, 41 - moving seat, 42 - connecting rod, 43 - clamping plate, 44 - top plate, 45 - internal ratchet, 5 - turntable. Detailed implementation manners

[0021] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0022] Refer to Figures 1 to 4 , the present utility model provides a sealing gland for a pipeline system, including:

[0023] A sealing plug 1, which is internally provided with a receiving cavity. One end of the sealing plug 1 is provided with a convex ring 11. During use, the sealing plug 1 is inserted into the pipeline interior, and the convex ring 11 cooperates with the pipeline end wall. The convex ring 11 enables the user to replace the sealing plug 1. A plurality of sealing rubber rings 12 are provided on the outer surface of the sealing plug 1, and the sealing rubber rings 12 can improve the sealing effect of the sealing plug 1;

[0024] A push rod 2, which penetrates through the convex ring 11. One end of the push rod 2 located in the receiving cavity is connected to an end plate 21, and a plurality of elastic members 22 are connected between the end plate 21 and one side wall of the receiving cavity.

[0025] A screw 3, which is fixedly connected to the side wall of the end plate 21 away from the push rod 2;

[0026] A rotating tube 4, which is rotatably arranged at one end of the sealing plug 1 away from the convex ring 11. One end of the rotating tube 4 is located in the receiving cavity, and the other end of the rotating tube 4 penetrates out of the receiving cavity. The rotating tube 4 is in sealed rotational connection with the sealing plug 1. A hollow cavity is provided inside the rotating tube 4. One end of the screw 3 away from the end plate 21 penetrates into the hollow cavity. The end of the hollow cavity located outside the receiving cavity is in a closed state. The diameter of the hollow cavity is larger than the diameter of the screw 3, ensuring that there is no interference between the movement of the screw 3 and the side wall of the hollow cavity. A moving seat 41 is provided on the rotating tube 4, and the moving seat 41 is located outside the receiving cavity. A circulating groove is provided on the rotating tube 4 and is matched with the moving seat 41. A guide post is provided on the moving seat 41 and is matched with the circulating groove. When the rotating tube 4 rotates unidirectionally, the moving seat 41 can reciprocate along the rotating tube 4. A plurality of clamping plates 43 are slidably arranged on the side wall of the sealing plug 1 away from the convex ring 11. Connecting rods 42 are rotatably arranged between the clamping plates 43 and the moving seat 41 (that is, one end of the connecting rod 42 is rotatably connected to the moving seat 41, and the other end of the connecting rod 42 is rotatably connected to the clamping plate 43). A clamping groove that can cooperate with the clamping plates 43 is formed on the inner wall of the pipeline. When a plurality of clamping plates 43 cooperate with the clamping groove, the sealing plug 1 can be limited and fixed.

[0027] Refer toFigures 1 to 4 One end of the rotating tube 4 located inside the accommodating cavity is connected to the top plate 44. A rotating disk 5 is rotatably provided in the middle of the top plate 44. A threaded hole for cooperating with the screw rod 3 is provided in the middle of the rotating disk 5. When the push rod 2 drives the screw rod 3 to move, the rotating disk 5 can be rotated under the cooperation of the screw rod 3 and the threaded hole. An internal ratchet is provided on the top plate 44. A pawl cooperating with the internal ratchet is connected to the rotating disk 5 in a one-way rotating manner. A torsion spring is provided at the connection between the rotating disk 5 and the pawl.

[0028] See Figures 1 to 4 Preferably, the thread density on the screw rod 3 and the threaded hole is set so that the rotating tube 4 rotates 180° each time the push rod drives the screw rod 3 to reciprocate once.

[0029] See Figures 1 to 4 Preferably, the top surface of the push rod 2 is flush with the top surface of the convex ring 11 or the height of the top surface of the push rod is slightly lower than the height of the top surface of the convex ring 11, which can reduce the risk of accidental touch of the push rod 2.

[0030] See Figures 1 to 4 Preferably, the elastic members 22 are all springs, which can provide a return power for the push rod 2.

[0031] See Figures 1 to 4 Preferably, the rotating tube 4, the moving seat 41, the connecting rod 42 and the clamping plate 43 are all subjected to anti-rust and anti-corrosion treatments to reduce the influence of the solution in the pipeline on the above structures.

[0032] In the implementation process of the present utility model: When the device is installed, the user first inserts the sealing plug 1 into the pipeline (one end of the sealing plug 1 close to the rotating tube 4 faces inward) until the convex ring 11 abuts against the end wall of the pipeline. Then, the push rod 2 is pressed, and the push rod 2 drives the screw rod 3 to move towards the inside of the sealing plug 1. Since the screw rod 3 is fixedly connected to the end plate 21, under the action of the screw rod 3 and the threaded hole, the rotating disk 5 rotates forward. At this time, the internal ratchet cooperates with the pawl, and the rotating disk 5 drives the top plate 44 and the rotating tube 4 to rotate. Under the action of the circulating groove and the guide post, the moving seat 41 moves towards the end close to the sealing plug 1. Under the action of the connecting rod 42, several clamping plates 43 move synchronously in the direction away from the center of the sealing plug 1. The clamping plates 43 cooperate with the clamping grooves on the inner side wall of the pipeline to fix the sealing plug 1. Then, the push rod 2 is released. Under the action of the elastic member 22, the push rod 2 drives the screw rod 3 to automatically reset. During this process, the rotating disk 5 rotates reversely. At this time, the internal ratchet does not cooperate with the pawl, so the rotating tube 4 does not rotate. Each time the push rod 2 reciprocates, the rotating tube 4 rotates 180°. The user can regard pressing the push rod 2 until the end plate 21 abuts against the top surface of the rotating disk 5 and then releasing the push rod 2 to make it automatically reset as a reciprocating movement process.

[0033] When the device needs to be disassembled and replaced, the user presses the push rod 2 again, causing the rotating tube 4 to rotate 180° again. The moving seat 41 moves from one end of the circulation groove close to the sealing plug 1 to the end far from the sealing plug 1. A number of 432 clamping plates 43 move synchronously in the direction close to the axis of the sealing plug 1, and the clamping plates 43 are disengaged from the clamping grooves, and the user removes the sealing plug 1.

[0034] The utility model provides a sealing gland for a pipeline system, and its beneficial effects are as follows:

[0035] 1. By setting up structures such as a push rod, a screw rod, a rotating tube, a moving seat, a connecting rod and a clamping plate, the device can be disassembled and assembled quickly and conveniently, reducing the disassembly and assembly difficulty, shortening the time required for disassembly and assembly of the device, and improving the disassembly and assembly work efficiency;

[0036] 2. By setting a number of sealing rubber rings and the sealing and rotating connection between the rotating tube and the sealing plug, a good sealing effect can be ensured.

[0037] In summary, the beneficial effects of the utility model are: it can not only ensure a good sealing effect, but also realize quick disassembly and assembly, reduce the disassembly and assembly difficulty, shorten the time required for disassembly and assembly, and improve the disassembly and assembly efficiency.

[0038] Of course, the utility model can also have various embodiments. Without departing from the spirit and essence of the utility model, those skilled in the art can make corresponding changes and deformations according to the utility model, but these corresponding changes and deformations should all fall within the protection scope of the appended claims of the utility model.

Claims

1. A sealing gland for a pipeline system, characterized in that, Comprising: A sealing plug, on the outer side wall of which there are provided a number of sealing rubber rings; A push rod, which slidably penetrates through the sealing plug, and at one end of the push rod located inside the sealing plug, there is an end plate elastically connecting to the sealing plug; A screw rod, which is fixedly provided on the end plate; A rotating tube, which rotatably penetrates through the sealing plug, on the rotating tube there are provided a moving seat and a circulation groove, on the sealing plug there are slidably provided a number of clamping plates, between the moving seat and the clamping plates there are rotatably provided connecting rods, the screw rod penetrates into the rotating tube, on the rotating tube there is a top plate, on the top plate there is a rotating disc, on the rotating disc there is a threaded hole matching with the screw rod, on the top plate there is an internal ratchet wheel, and on the rotating disc there is a pawl connected in a one-way rotating manner.

2. The sealing gland for a pipeline system according to claim 1, characterized in that, Inside the sealing plug there is a receiving cavity, the screw rod, the top plate, the rotating disc and the end plate are all arranged in the receiving cavity, inside the rotating tube there is a hollow cavity, and the screw rod penetrates into the hollow cavity.

3. The gland for pipeline system according to claim 2, characterized in that, Between the end plate and one side wall of the receiving cavity there are provided a number of elastic members, and the elastic members are all springs.

4. The sealing gland for a pipeline system according to claim 1, wherein Each time the push rod drives the screw rod to reciprocate, the rotating tube rotates 180°.

5. The gland for pipeline system according to claim 1, characterized in that, At one end of the sealing plug away from the rotating tube, there is a convex ring.

6. The gland for sealing of the pipeline system according to claim 5, characterized in that, The top surface height of the push rod is flush with the top surface height of the convex ring, or the top surface height of the push rod is slightly lower than the top surface height of the convex ring.

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