Flexible self-tightening sealing rubber ring

Abstract

The utility model discloses a flexible self-tightening sealing rubber ring, which belongs to the technical field of pipeline joint installation and comprises a first connecting pipeline, a second connecting pipeline is arranged at the other end of the first connecting pipeline, and a second connecting clamp is arranged at the upper end of the first connecting pipeline and the upper end of the second connecting pipeline. A first connecting clamp is arranged at the lower end of the first connecting pipeline and the lower end of the second connecting pipeline, and a pipeline connecting and sealing mechanism is arranged at the joint of the first connecting pipeline and the second connecting pipeline. According to the pipeline connecting and sealing mechanism, the first connecting clamp and the second connecting clamp can be connected and fixed more firmly, and therefore the first connecting pipeline and the second connecting pipeline can be connected and fixed conveniently. According to the mechanism, the connection sealing performance between the first connecting pipeline and the second connecting pipeline can be improved, so that the connection firmness is improved, and stable use of the connecting pipelines is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline joint installation, and in particular relates to a flexible self-tightening sealing rubber ring. Background Art

[0002] In the connection and sealing of medium and high pressure pipelines, the more commonly used connection types are flange connection, clamp connection, etc. The seals are basically rubber gaskets, spiral wound gaskets, metal ring gaskets, O-rings, etc. Flange connection has a mature structure and simple type, and is widely used in medium and low pressure pipelines.

[0003] Chinese patent application No. 202223228423.8 discloses a flexible self-tightening rubber ring and a sealing structure, including a rubber ring body, an expansion groove is arranged around the inner wall of the rubber ring body, and the opening of the expansion groove faces the center of the rubber ring body. After the medium reaches the flexible self-tightening rubber ring, the expansion groove opens toward the center of the flexible self-tightening rubber ring, that is, the gas or liquid pressure will enter the expansion groove first, and the expansion wall is elastically connected to the rubber ring body. The pressure in the expansion groove is high, and the expansion wall opens to both sides, thereby clinging to the pipe walls on both sides of the pipe joint to achieve expansion sealing there. It has strong adaptability, can be sealed under high pressure, is easy to install and use, and has a long service life.

[0004] Although the above-mentioned patent achieves sealing between pipes, the connecting clamp fixing structure provided for connecting the pipes is relatively troublesome to fix, and it is not easy to remove the connecting clamp after fixing; the overall sealing performance of the sealing structure provided is relatively poor after fixing. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a flexible self-tightening sealing rubber ring, which has the characteristics of convenient fixing between connecting clamps and better sealing performance between pipes.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flexible self-tightening sealing rubber ring, comprising a connecting pipe 1, a connecting pipe 2 is arranged at the other end of the connecting pipe 1, a connecting clamp 2 is arranged at the upper ends of the connecting pipe 1 and the connecting pipe 2, a connecting clamp 1 is arranged at the lower ends of the connecting pipe 1 and the connecting pipe 2, a pipe connection sealing mechanism is arranged at the connection between the connecting pipe 1 and the connecting pipe 2, and the connecting clamp 1 and the connecting clamp 2 are connected by a connecting clamp fixing mechanism.

[0007] Preferably, the connecting clamp fixing mechanism includes a fixing component, a connecting ear one, a slot, a block, a connecting ear two and a fixing hole, a connecting ear two is arranged on the side of the connecting clamp two, a connecting ear one is arranged on the side of the connecting clamp one, a block is arranged at the lower end of the connecting ear two, a fixing hole is provided on the side of the block, a slot is provided inside the connecting ear one, and a fixing component is provided inside the side of the slot.

[0008] Preferably, the fixing assembly includes a pull rod, a spring, a limit plate and a fixing rod, a limit plate is arranged inside the connecting ear, a fixing rod is fixedly arranged on one side of the limit plate, a pull rod is fixedly arranged on the other side of the limit plate, and a spring is sleeved on the surface of the pull rod.

[0009] Preferably, a handle is provided at the other end of the pull rod, a limiting groove corresponding to the limiting plate is opened inside the connecting ear, and the spring is located inside the limiting groove.

[0010] Preferably, the pipe connection sealing mechanism includes connector 1, a sealing groove, connector 2 and a sealing ring. Connector 1 is provided at one end of connecting pipe 1, connector 2 is provided at one end of connecting pipe 2, a sealing ring is provided at the connection between connector 1 and connector 2, and sealing grooves corresponding to the sealing rings are provided on the sides of connector 1 and connector 2.

[0011] Preferably, the pipeline connection sealing mechanism also includes a positioning rod and a positioning hole, the inner walls of the connecting clamp 1 and the connecting clamp 2 are provided with a positioning rod, and the sides of the connecting head 1 and the connecting head 2 are provided with positioning holes corresponding to the positioning rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a connecting clamp fixing mechanism, which can facilitate the more secure connection and fixing between the connecting clamp 1 and the connecting clamp 2, thereby facilitating the connection and fixing between the connecting pipe 1 and the connecting pipe 2.

[0014] 2. The utility model is provided with a pipeline connection sealing mechanism, which can improve the connection sealing between the connection pipeline 1 and the connection pipeline 2, thereby improving the connection reliability and ensuring the stable use of the connection pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a three-dimensional diagram of the connecting clamp fixing mechanism of the utility model;

[0017] Figure 3 It is an enlarged view of the fixing component of the utility model;

[0018] Figure 4 It is an exploded view of the pipeline connection sealing mechanism of the utility model;

[0019] In the figure: 1. connecting pipe 1; 2. connecting clamp 1; 3. pipe connecting sealing mechanism; 31. connecting head 1; 32. sealing groove; 33. connecting head 2; 34. positioning rod; 35. sealing ring; 36. positioning hole; 4. connecting clamp fixing mechanism; 41. fixing component; 411. pull handle; 412. pull rod; 413. spring; 414. limit plate; 415. fixing rod; 42. connecting ear 1; 43. clamping groove; 44. clamping block; 45. connecting ear 2; 46. fixing hole; 5. connecting pipe 2; 6. connecting clamp 2. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0021] See also Figure 1-4 The utility model provides the following technical solutions: a flexible self-tightening sealing rubber ring, including a connecting pipe 1, a connecting pipe 2 5 is arranged at the other end of the connecting pipe 1, a connecting clamp 2 6 is arranged at the upper end of the connecting pipe 1 and the connecting pipe 2 5, a connecting clamp 1 2 is arranged at the lower end of the connecting pipe 1 and the connecting pipe 2 5, a pipe connecting sealing mechanism 3 is arranged at the connection between the connecting pipe 1 and the connecting pipe 2 5, and the connecting clamp 1 2 and the connecting clamp 2 6 are connected by a connecting clamp fixing mechanism 4.

[0022] Specifically, the connecting clamp fixing mechanism 4 includes a fixing component 41, a connecting ear 1 42, a slot 43, a block 44, a connecting ear 2 45 and a fixing hole 46. The side of the connecting clamp 2 6 is provided with a connecting ear 2 45, the side of the connecting clamp 1 2 is provided with a connecting ear 1 42, the lower end of the connecting ear 2 45 is provided with a block 44, the side of the block 44 is provided with a fixing hole 46, the interior of the connecting ear 1 42 is provided with a slot 43, and the side of the slot 43 is provided with a fixing component 41.

[0023] By adopting the above technical solution, when the connecting pipe 1 and the connecting pipe 2 5 are connected and fixed, the connecting clamp 1 2 and the connecting clamp 2 6 are connected and fixed, so that the block 44 at the lower end of the connecting ear 2 45 is inserted into the inside of the groove 43 inside the connecting ear 1 42, and then the fixing component 41 and the fixing hole 46 are cooperated to realize the fixing of the connecting clamp 1 2 and the connecting clamp 2 6.

[0024] Specifically, the fixing assembly 41 includes a pull rod 412, a spring 413, a limit plate 414 and a fixing rod 415. The limit plate 414 is disposed inside the connecting ear 42. The fixing rod 415 is fixedly disposed on one side of the limit plate 414. The pull rod 412 is fixedly disposed on the other side of the limit plate 414. The spring 413 is sleeved on the surface of the pull rod 412.

[0025] By adopting the above technical solution, the pull rod 412 is pulled, and the pull rod 412 pulls the limit plate 414 and the fixing rod 415. The limit plate 414 also drives the spring 413 to compress. At this time, the block 44 at the lower end of the connecting ear 2 45 is inserted into the inside of the slot 43 inside the connecting ear 1 42. The pull rod 412 is released, and the spring 413 rebounds, thereby driving the fixing rod 415 to insert into the inside of the fixing hole 46 to achieve the fixation of the connecting clamp 1 2 and the connecting clamp 2 6.

[0026] Specifically, a handle 411 is provided at the other end of the pull rod 412, a limiting groove corresponding to the limiting plate 414 is provided inside the connecting ear 42, and a spring 413 is located inside the limiting groove.

[0027] By adopting the above technical solution, the setting of the pull handle 411 can facilitate pulling the pull rod 412.

[0028] When the present embodiment is in use, after the connecting pipe 1 and the connecting pipe 2 5 are connected and fixed, the connecting clamp 1 2 and the connecting clamp 2 6 are connected and fixed, the pull rod 412 is pulled, and the pull rod 412 pulls the limit plate 414 and the fixing rod 415, and the limit plate 414 simultaneously drives the spring 413 to compress, and then the block 44 at the lower end of the connecting ear 2 45 is inserted into the inside of the slot 43 inside the connecting ear 1 42, and the pull rod 412 is released, and the spring 413 rebounds, thereby driving the fixing rod 415 to insert into the inside of the fixing hole 46, so as to realize the fixation of the connecting clamp 2 and the connecting clamp 2 6. Example 2

[0029] The difference between this embodiment and the embodiment 1 is that the pipeline connection sealing mechanism 3 includes a connector 1 31, a sealing groove 32, a connector 2 33 and a sealing ring 35. The connector 1 31 is provided at one end of the connecting pipeline 1, the connector 2 33 is provided at one end of the connecting pipeline 2, the sealing ring 35 is provided at the connection between the connector 1 31 and the connector 2 33, and the sealing groove 32 corresponding to the sealing ring 35 is provided on the sides of the connector 1 31 and the connector 2 33.

[0030] By adopting the above technical solution, when connecting pipe 1 and connecting pipe 2 5 are connected, the connector 1 31 at one end of connecting pipe 1 and the connector 2 33 at one end of connecting pipe 2 5 are aligned, and then the sealing ring 35 is installed inside the sealing groove 32, thereby ensuring the sealing of the connection between connecting pipe 1 and connecting pipe 2 5.

[0031] Specifically, the pipeline connection sealing mechanism 3 also includes a positioning rod 34 and a positioning hole 36. The inner walls of the connecting clamp 1 2 and the connecting clamp 2 6 are provided with a positioning rod 34. The sides of the connecting head 1 31 and the connecting head 2 33 are provided with positioning holes 36 corresponding to the positioning rod 34.

[0032] By adopting the above technical solution, when the connecting clamp 1 2 and the connecting clamp 2 6 fix the connecting pipe 1 1 and the connecting pipe 2 5, the positioning rod 34 on the inner wall of the connecting clamp 1 2 and the connecting clamp 2 6 will be inserted into the positioning hole 36 inside the side of the connecting head 1 31 and the connecting head 2 33, thereby improving the connection sealing of the connecting pipe 1 and the connecting pipe 2 5.

[0033] When the present embodiment is in use, when the connecting pipe 1 and the connecting pipe 2 5 are connected, the connector 1 31 at one end of the connecting pipe 1 and the connector 2 33 at one end of the connecting pipe 2 5 are aligned, and then the sealing ring 35 is installed inside the sealing groove 32, so as to ensure the sealing of the connection between the connecting pipe 1 and the connecting pipe 2 5. When the connecting clamp 1 2 and the connecting clamp 2 6 fix the connecting pipe 1 and the connecting pipe 2 5, the positioning rod 34 on the inner wall of the connecting clamp 1 2 and the connecting clamp 2 6 will be inserted into the positioning hole 36 inside the side of the connector 1 31 and the connector 2 33, so as to improve the sealing of the connection between the connecting pipe 1 and the connecting pipe 2 5.

[0034] Working principle and use process of the utility model: when the utility model is in use, when the connecting pipe 1 and the connecting pipe 2 5 are connected and fixed, the connecting clamp 1 2 and the connecting clamp 2 6 are connected and fixed, and the pull rod 412 is pulled, and the pull rod 412 pulls the limit plate 414 and the fixing rod 415, and the limit plate 414 drives the spring 413 to compress at the same time, and then the block 44 at the lower end of the connecting ear 2 45 is inserted into the inside of the groove 43 inside the connecting ear 1 42, and the pull rod 412 is released, and the spring 413 rebounds, thereby driving the fixing rod 415 to insert into the inside of the fixing hole 46, so as to achieve the fixation of the connecting clamp 1 2 and the connecting clamp 2 6. ; When connecting pipe 1 and connecting pipe 2 5 are connected, the connector 1 31 at one end of connecting pipe 1 and the connector 2 33 at one end of connecting pipe 2 5 are aligned, and then the sealing ring 35 is installed inside the sealing groove 32, so as to ensure the connection sealing between connecting pipe 1 and connecting pipe 2 5. When connecting clamp 1 2 and connecting clamp 2 6 fix connecting pipe 1 and connecting pipe 2 5, the positioning rod 34 on the inner wall of connecting clamp 1 2 and connecting clamp 2 6 will be inserted into the positioning hole 36 inside the side of connector 1 31 and connector 2 33, so as to improve the connection sealing between connecting pipe 1 and connecting pipe 2 5.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flexible self-tightening sealing rubber ring, comprising a connecting pipe (1), the other end of the connecting pipe (1) is provided with a connecting pipe (5), the upper ends of the connecting pipe (1) and the connecting pipe (5) are provided with a connecting clamp (6), and the lower ends of the connecting pipe (1) and the connecting pipe (5) are provided with a connecting clamp (2), characterized in that: A pipeline connection sealing mechanism (3) is provided at the connection point between the connection pipeline 1 (1) and the connection pipeline 2 (5), and the connection clamp 1 (2) and the connection clamp 2 (6) are connected via a connection clamp fixing mechanism (4).

2. A flexible self-tightening rubber seal ring according to claim 1, characterized in that: The connecting clamp fixing mechanism (4) comprises a fixing assembly (41), a connecting ear 1 (42), a clamping groove (43), a clamping block (44), a connecting ear 2 (45) and a fixing hole (46); the connecting ear 2 (45) is provided on the side of the connecting clamp 2 (6); the connecting ear 1 (42) is provided on the side of the connecting clamp 1 (2); the clamping block (44) is provided at the lower end of the connecting ear 2 (45); the fixing hole (46) is provided on the side of the clamping block (44); the connecting ear 1 (42) is provided with a clamping groove (43); and the fixing assembly (41) is provided on the side of the clamping groove (43).

3. A flexible self-tightening rubber seal ring according to claim 2, characterized in that: The fixing assembly (41) comprises a pull rod (412), a spring (413), a limit plate (414) and a fixing rod (415); the limit plate (414) is arranged inside the connecting ear (42); the fixing rod (415) is fixedly arranged on one side of the limit plate (414); the pull rod (412) is fixedly arranged on the other side of the limit plate (414); and the spring (413) is sleeved on the surface of the pull rod (412).

4. A flexible self-tightening sealing rubber ring according to claim 3, characterized in that: The other end of the pull rod (412) is provided with a pull handle (411), and a limiting groove corresponding to the limiting plate (414) is opened inside the connecting ear (42), and the spring (413) is located inside the limiting groove.

5. The flexible self-tightening sealing rubber ring according to claim 1, characterized in that: The pipeline connection sealing mechanism (3) comprises a connector head (31), a sealing groove (32), a connector head (33) and a sealing ring (35); one end of the connecting pipeline (1) is provided with the connector head (31); one end of the connecting pipeline (5) is provided with the connector head (33); a sealing ring (35) is provided at the connection between the connector head (31) and the connector head (33); and sealing grooves (32) corresponding to the sealing ring (35) are provided on the sides of the connector head (31) and the connector head (33).

6. A flexible self-tightening rubber seal ring according to claim 5, characterized in that: The pipeline connection sealing mechanism (3) further comprises a positioning rod (34) and a positioning hole (36); the inner walls of the connection clamp 1 (2) and the connection clamp 2 (6) are provided with a positioning rod (34); and the sides of the connection head 1 (31) and the connection head 2 (33) are provided with a positioning hole (36) corresponding to the positioning rod (34).

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