Natural gas pipeline sealing connection mechanism

Abstract

The utility model discloses a natural gas pipeline sealing connecting mechanism, relates to connecting mechanism technical field, including adjusting seat, the inside center of adjusting seat is provided with the adjusting groove, the both ends of adjusting seat are provided with the moving groove, the inside of adjusting groove is provided with the knob, the center of knob passes through and is fixedly connected with the bi-directional screw rod, and the bi-directional screw rod is provided with the moving groove. The adjusting seat is provided with a moving groove, the two-way screw rod penetrates through the adjusting seat and is arranged in the moving groove, an adjusting rod is connected to the interior of the moving groove in a sliding mode, and the two-way screw rod penetrates through the adjusting rod and is in threaded connection with the adjusting rod. The two-way lead screw drives the adjusting rod to slide away from the interior of the moving groove, meanwhile, the adjusting rod can be directly placed in the connecting position of the natural gas pipeline, the rotary knob is rotated reversely, the adjusting rod drives the sealing piece to gradually get close to complete sealing operation on the connecting position of the natural gas pipeline, disassembly and assembly are easy, and the using convenience of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to connecting mechanism technical field, more specifically, the utility model relates to a natural gas pipeline sealing connecting mechanism. BACKGROUND

[0002] The natural gas pipeline sealing connecting mechanism is mainly used for ensuring the safety and sealing property of the pipeline system during the transportation of natural gas.

[0003] The existing patent (announcement number: CN213871529U) discloses a natural gas pipeline sealing connecting assembly, which is simple in structure and good in sealing effect, can monitor natural gas, timely maintenance when leakage occurs, is more safe and reliable, saves energy loss, and is more environmentally friendly.

[0004] However, the first fixing ring, the first sealing ring, the first sealing member and the like structure need to be slid from the end of the natural gas pipeline and sleeved at the connecting part of the natural gas pipeline one by one during use, and cannot be directly operated from the connecting part during installation and disassembly, which increases the difficulty of disassembly and assembly and reduces the use convenience of the device.

[0005] Therefore, the natural gas pipeline sealing connecting mechanism is provided to solve the above problems. UTILITY MODEL CONTENTS

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a natural gas pipeline sealing connecting mechanism to solve the problem that the prior art cannot be directly operated from the connecting part during installation and disassembly, which increases the difficulty of disassembly and assembly.

[0007] In order to solve the above technical problems, the utility model provides the following technical scheme: a natural gas pipeline sealing connecting mechanism, including the adjusting seat, the inside center of the adjusting seat is provided with the adjusting groove, the both ends of the adjusting seat are provided with the moving groove, the inside of the adjusting groove is provided with the knob, the center of the knob is penetrated and is fixedly connected with the bidirectional screw rod, the bidirectional screw rod penetrates the adjusting seat and is arranged in the moving groove, the inside of the moving groove is slidably connected with the adjusting rod, and the bidirectional screw rod penetrates the adjusting rod and is screw connected with it.

[0008] Preferably, the adjusting groove is circular, the moving groove is polygonal, and the adjusting rod is U-shaped.

[0009] Preferably, the inside of the adjusting rod is fixedly connected with the sealing member.

[0010] Preferably, the material of the sealing member is rubber.

[0011] Preferably, the top of the adjusting rod is provided with the locking assembly.

[0012] Preferably, the locking assembly comprises a rotating seat fixed to one end adjacent to the top of the adjusting rod, a rotating groove is formed in one end of the rotating seat, a rotating hole is formed in one end of the rotating groove, a stud is arranged in the rotating groove, an internal hexagonal groove is formed in one end of the stud, and a threaded rod is fixedly connected to the other end of the stud.

[0013] Preferably, the other end adjacent to the top of the adjusting rod is fixedly connected with a locking seat, a threaded hole is formed in the locking seat, and the threaded rod is threadedly connected with the threaded hole.

[0014] Compared with the prior art, the natural gas pipeline sealing connection mechanism has the advantages that:

[0015] The knob inside the rotating adjusting groove drives the bidirectional screw rod to rotate, the bidirectional screw rod drives the adjusting rod to slide away inside the moving groove, at the same time, the adjusting rod can be directly placed into the connecting part of the natural gas pipeline, the knob is reversed, the adjusting rod drives the sealing element to gradually approach and complete the sealing operation on the connecting part of the natural gas pipeline, and the device is simple to disassemble and assemble, and the use convenience of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the axial view of the utility model;

[0017] Figure 2 is the bottom view of the utility model;

[0018] Figure 3 is the exploded view of the adjusting assembly of the utility model;

[0019] Figure 4 is the sectional view of the locking assembly of the utility model.

[0020] REFERENCE NUMERALS

[0021] 1, adjusting seat; 2, adjusting assembly; 201, adjusting groove; 202, moving groove; 203, knob; 204, bidirectional screw rod; 205, adjusting rod; 3, sealing element; 4, locking assembly; 401, rotating seat; 402, rotating groove; 403, rotating hole; 404, locking seat; 405, threaded hole; 406, stud; 407, internal hexagonal groove; 408, threaded rod. DETAILED DESCRIPTION

[0022] In the process of sealing the natural gas pipeline, the sealing connection mechanism needs to be used, the natural gas pipeline sealing connection mechanism provided by the utility model is used for replacing the blind plate when the newly-built natural gas pipeline is pressure tested, and is used for temporarily plugging the collision point when the natural gas pipeline is overhauled, does not damage the pipeline body, can be repeatedly used, and is safe and reliable.

[0023] In order to make the technical problems, technical schemes and advantages to be solved by the utility model more clear, the following will be described in detail in combination with the drawings and specific embodiments.

[0024] As shown in the accompanying Figure 1 to the accompanying Figure 4 The utility model discloses an embodiment provides a natural gas pipeline sealing connection mechanism, including the adjusting seat 1, the inside center of adjusting seat 1 is equipped with the adjusting groove 201, and the both ends of adjusting seat 1 are equipped with the moving groove 202, and the inside of adjusting groove 201 is provided with knob 203, and the center of knob 203 penetrates and is fixedly connected with bidirectional screw rod 204, and bidirectional screw rod 204 penetrates adjusting seat 1 and is arranged in moving groove 202, and the inside of moving groove 202 is slidably connected with adjusting rod 205, and bidirectional screw rod 204 penetrates adjusting rod 205 and is threadedly connected with it, and adjusting groove 201 is circular, and moving groove 202 is polygonal, and adjusting rod 205 is U type, and the inside of adjusting rod 205 is fixedly connected with sealing element 3, and the material of sealing element 3 is rubber.

[0025] In the embodiment, by rotating the knob 203 in the adjusting groove 201, the bidirectional screw rod 204 is driven to rotate, and the bidirectional screw rod 204 drives the adjusting rod 205 to slide away in the moving groove 202, at the same time, the adjusting rod 205 can be directly placed in the connecting part of the natural gas pipeline, and by reversing the knob 203, the adjusting rod 205 drives the sealing element 3 to gradually approach and complete the sealing operation of the connecting part of the natural gas pipeline, which is simple to disassemble and assemble, and improves the use convenience of the device.

[0026] The top of the adjusting rod 205 is provided with a locking assembly 4, which includes a rotating seat 401, the adjacent end of the rotating seat 401 and the top of the adjusting rod 205 is fixed, a rotating groove 402 is formed in one end of the rotating seat 401, a rotating hole 403 is formed in one end of the rotating groove 402, a bolt head 406 is arranged in the inside of the rotating groove 402, an internal hexagonal groove 407 is formed in one end of the bolt head 406, a threaded rod 408 is fixedly connected to the other end of the bolt head 406, the other adjacent end of the top of the adjusting rod 205 is fixedly connected with a locking seat 404, a threaded hole 405 is formed in the inside of the locking seat 404, and the threaded rod 408 is threadedly connected with the threaded hole 405.

[0027] In the embodiment, by inserting the internal hexagonal wrench into the internal hexagonal groove 407 and rotating the bolt head 406, the bolt head 406 drives the threaded rod 408 to rotate, and the threaded rod 408 connects and tightly fixes the rotating seat 401 and the locking seat 404 through the threaded hole 405, which improves the tightness of the adjusting rod 205 and the sealing element 3.

[0028] The working process of the utility model is as follows:

[0029] First, rotate the knob 203 to place the adjusting rod 205 in the connecting part of the natural gas pipeline at a suitable distance;

[0030] Then, the knob 203 is reversed, the rod 205 drives the sealing element 3 to gradually approach and complete the sealing operation of the natural gas pipeline connection;

[0031] Then, the threaded rod 408 is inserted into the rotating hole 403;

[0032] Finally, the threaded rod 408 is rotated by the inner hex wrench, and the connection and locking of the rotating seat 401 and the locking seat 404 are completed through the threaded hole 405, thereby improving the connection tightness of the sealing element 3.

[0033] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0034] Secondly: the utility model discloses the embodiment of the drawings, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0035] Finally: the above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A natural gas pipeline seal connection mechanism, characterized by, The adjusting seat (1) is internally provided with an adjusting groove (201), and both ends of the adjusting seat (1) are provided with moving grooves (202); the adjusting groove (201) is internally provided with a knob (203); the knob (203) is penetrated and fixedly connected with a bidirectional screw rod (204); the bidirectional screw rod (204) penetrates the adjusting seat (1) and is arranged in the moving groove (202); the moving groove (202) is slidably connected with an adjusting rod (205); and the bidirectional screw rod (204) penetrates the adjusting rod (205) and is threadedly connected with the adjusting rod (205).

2. A natural gas pipeline sealing connection mechanism according to claim 1, characterized in that, The adjusting groove (201) is circular, the moving groove (202) is polygonal, and the adjusting rod (205) is U-shaped.

3. The natural gas pipeline sealing connection mechanism of claim 1, wherein, The adjusting rod (205) is internally fixedly connected with a sealing piece (3).

4. A natural gas pipeline sealing connection mechanism according to claim 3, wherein, The sealing piece (3) is made of rubber.

5. The natural gas pipeline sealing connection mechanism of claim 1, wherein, The adjusting rod (205) is provided on the top with a locking assembly (4).

6. A natural gas pipeline sealing connection mechanism according to claim 5, wherein, The locking assembly (4) comprises a rotating seat (401), one end of the rotating seat (401) is fixedly connected with the adjusting rod (205) and is adjacent to the top, one end of the rotating seat (401) is provided with a rotating groove (402), one end of the rotating groove (402) is provided with a rotating hole (403), the rotating groove (402) is internally provided with a bolt head (406), one end of the bolt head (406) is provided with an internal hexagonal groove (407), and the other end of the bolt head (406) is fixedly connected with a threaded rod (408).

7. A natural gas pipeline sealing connection mechanism according to claim 6, wherein The other end of the adjusting rod (205) adjacent to the top is fixedly connected with a locking seat (404), the locking seat (404) is internally provided with a threaded hole (405), and the threaded rod (408) and the threaded hole (405) are threadedly connected.

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