Gas pipeline plugging piece
By symmetrically opening positioning slots at both ends of the guide post and using positioning clips for limiting and fixing, combined with the design of rubber rings and sliding blocks, the problems of inconvenient operation and insufficient sealing of gas pipeline sealing components are solved, achieving a stable connection and efficient sealing.
Patent Information
- Application Number
- CN202520048675.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-09
AI Technical Summary
Existing gas pipeline sealing fittings require the use of an inside angle tool for rotation during connection, which is inconvenient and results in insufficient sealing.
A gas pipeline sealing component was designed. It uses symmetrical positioning slots at both ends of the guide post to achieve positioning and fixation by inserting positioning pins into the positioning slots. The sealing performance is improved by combining rubber rings, and the gas pipeline is sealed by sliding side blocks and sealing rings.
It achieves a secure connection without the need for internal corner tools, improving the stability and sealing of gas pipeline plugs, and is easy to operate.
Smart Images
Figure CN223740355U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gas pipeline technical field, concretely is gas pipeline plugging piece. BACKGROUND
[0002] The gas pipeline is a kind of special pipeline for conveying combustible gas, is a kind of metal gas pipe hose to replace traditional buckle mode rubber hose, with easy installation, reliable connection, corrosion resistance, no gas blockage, good softness, can solve the defects of rubber pipe easy to fall off, easy to age, easy to be bitten by insect, short service life.
[0003] When gas pipeline needs to be repaired or the downstream of gas pipeline is swept, plugging piece is needed to block gas, and the gas pipeline plugging piece is a device specially designed to close the pipeline during the repair, replacement or abandonment of the gas pipeline to prevent gas leakage or entry.
[0004] The plugging of some gas pipelines is completed by rotating a simple plastic piece into the pipeline, in order to ensure the stability and sealing effect of the plugging piece, the staff needs to wind raw material belt on the surface of the plugging piece. However, this method needs to use an internal angle tool to rotate the plugging piece when connecting, which has certain inconvenience in operation. UTILITY MODEL CONTENTS
[0005] In view of the above problems, the utility model aims at providing a gas pipeline plugging piece to solve the problem that an internal angle tool is needed to rotate the plugging piece when connecting, which has certain inconvenience in operation. The positioning slot hole is arranged to position the insertion of the positioning clamping column, and the positioning clamping column is inserted into the positioning slot hole to realize the limiting and fixing of the guide column. The positioning slot hole is symmetrically arranged on the upper and lower ends of the guide column to limit and fix the upper and lower ends of the guide column by the positioning clamping column, so as to ensure the stability of the limiting and fixing of the guide column.
[0006] To achieve the above purpose, the utility model adopts the technical scheme of a gas pipeline plugging piece, which comprises a gas pipeline body, a fixing assembly, a positioning assembly and a plugging assembly. The fixing assembly comprises a fixing sleeve and a bolt. The positioning assembly comprises a positioning sleeve. The plugging assembly comprises a guide column. A first sleeve slot and a second sleeve slot are arranged on the inner side of the fixing sleeve. A sliding edge slot is arranged on the inner wall of the positioning sleeve. A positioning inner slot is arranged on the inner side of the positioning sleeve. A linkage plate is arranged on the inner side of the positioning inner slot. A limiting rod is connected to the inner wall of the positioning inner slot. A threaded rod is arranged on the inner side of the linkage plate. A positioning clamping column is connected to one end of the linkage plate. A connecting rod is connected to one end of the guide column. A sliding edge block is connected to the peripheral wall of the guide column. A plugging ring is connected to the end of the guide column away from the connecting rod. A plugging head is connected to the end of the plugging ring away from the guide column. A positioning slot hole is arranged on the inner side of the guide column.
[0007] The utility model discloses the beneficial effect is: through the setting of positioning slot hole, be used for the insertion of positioning card post, and realize the limit fixed of guide column through the insertion of positioning card post into positioning slot hole, through the symmetrical opening of positioning slot hole on the upper and lower ends of guide column, be used for through positioning card post and carry out limit fixed to the upper and lower ends of guide column simultaneously, and then guarantee the stability of guide column limit fixed.
[0008] In order to be used for improving the sealing property when the fixed sleeve is connected with the gas pipeline body:
[0009] As a further improvement of the above technical solution: the inner wall of the first sleeve groove is connected with a rubber ring, the radius of the inner ring of the rubber ring matches the radius of the outer ring of the gas pipeline body, the radius of the inner ring of the second sleeve groove matches the radius of the outer ring of the guide column, the first sleeve groove and the second sleeve groove are connected, and the gas pipeline body and the fixed sleeve are provided with thread holes of the same size.
[0010] The beneficial effect of the improvement is: during use, the fixed sleeve is sleeved on the outer wall of the gas pipeline body through the first sleeve groove, and then the fixed sleeve is connected with the gas pipeline body by using a bolt, through the setting of the first sleeve groove, the groove body is used for the insertion of the gas pipeline body, and through the setting of the rubber ring, the sealing property when the fixed sleeve is connected with the gas pipeline body is improved.
[0011] In order to realize the limit fixed of the guide column through the insertion of the positioning card post into the positioning slot hole:
[0012] As a further improvement of the above technical solution: the positioning inner groove is symmetrically provided on the inner side of the positioning sleeve, and the inner wall of the positioning sleeve is provided with a channel for the positioning card post to pass through.
[0013] The beneficial effect of the improvement is: through the setting of the positioning card post, the positioning card post is inserted into the corresponding positioning slot hole, and the limit fixed of the guide column is realized through the insertion of the positioning card post into the positioning slot hole.
[0014] In order to drive the positioning card post to gradually insert into the positioning slot hole during the movement of the linkage plate:
[0015] As a further improvement of the above technical solution: the limit rod penetrates through the linkage plate and is connected with the inner wall of the positioning inner groove, the limit rod is slidingly connected with the linkage plate, one end of the threaded rod penetrates through the linkage plate and is rotatably connected with the inner wall of the positioning inner groove through a bearing, and the threaded rod is threadedly rotatably connected with the linkage plate.
[0016] The beneficial effects of this improvement are as follows: when the guide post is fixed in a limited position, the threaded rod is held and rotated. During the rotation of the threaded rod, the linkage plate moves, and during the movement of the linkage plate, the positioning pin is gradually inserted into the positioning slot.
[0017] In order for the sealing ring and sealing head to form a seal on the gas pipeline body:
[0018] As a further improvement to the above technical solution: the end of the connecting rod away from the guide post is connected to a handle, and the radius of the outer ring of the guide post is the same as the radius of the inner ring of the positioning sleeve.
[0019] The beneficial effects of this improvement are as follows: When in use, hold the handle and push the guide column through the connecting rod. Then, as the guide column moves, it drives the sealing ring and the sealing head to slide into the gas pipeline body. When the sliding block touches the fixed sleeve, the sealing ring and the sealing head form a seal on the gas pipeline body.
[0020] To improve the stability of the guide post when sliding inside the positioning sleeve by sliding the sliding block within the sliding groove:
[0021] As a further improvement to the above technical solution: the front cross-section of the sliding block is set with an arc-shaped structure, the sliding blocks are connected to the outer wall of the guide post at equal intervals, the size of the sliding block matches the size of the sliding groove, and the length of the sliding block is half the length of the guide post.
[0022] The beneficial effects of this improvement are: by setting up a sliding block, which is used to slide in the sliding groove, the stability of the guide post when sliding in the positioning sleeve is improved by the sliding of the sliding block in the sliding groove.
[0023] For use in sealing the main body of gas pipelines:
[0024] As a further improvement to the above technical solution: the sealing head is configured with a frustum-shaped structure, and the radius of the outer ring of the sealing ring is the same as the radius of the inner ring of the positioning sleeve.
[0025] The beneficial effects of this improvement are as follows: the sealing ring is used to connect the sealing head to the guide column, and the sealing ring and sealing head are used to seal the gas pipeline body.
[0026] To ensure the stability of the guide post's positioning and fixation:
[0027] As a further improvement to the above technical solution: the guide post has symmetrical positioning slots at its upper and lower ends, the size of the positioning slots matches the size of the positioning pin, and the positioning slots are opened at equal intervals.
[0028] The beneficial effects of this improvement are as follows: the positioning slot is used for the insertion of the positioning pin, and the positioning pin is inserted into the positioning slot to limit and fix the guide pin. The positioning slot is symmetrically opened at both ends of the guide pin, so that the positioning pin can simultaneously limit and fix the upper and lower ends of the guide pin, thereby ensuring the stability of the guide pin's limiting and fixing. Attached Figure Description
[0029] Figure 1 This is a schematic diagram of the front cross-sectional structure of this utility model.
[0030] Figure 2 This is a schematic diagram of the structure of the fixing sleeve of this utility model.
[0031] Figure 3 This is a front cross-sectional view of the positioning sleeve of this utility model.
[0032] Figure 4 This is a schematic diagram of the structure of the guide column of this utility model.
[0033] Figure 5 This is a schematic diagram of the handle of this utility model.
[0034] Figure 6 This is a schematic diagram of the sealing head of this utility model.
[0035] In the diagram: 1. Gas pipeline body; 2. Fixing component; 21. Fixing sleeve; 22. First connecting groove; 23. Bolt; 24. Second connecting groove; 25. Rubber ring; 3. Positioning component; 31. Positioning sleeve; 32. Sliding side groove; 33. Positioning inner groove; 34. Threaded rod; 35. Linkage plate; 36. Limiting rod; 37. Positioning pin; 4. Sealing component; 41. Guide pin; 42. Sliding side block; 43. Connecting rod; 44. Handle; 45. Sealing ring; 46. Sealing head; 47. Positioning slot. Detailed Implementation
[0036] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not be used to limit the scope of protection of this utility model in any way.
[0037] like Figures 1-6As shown, a gas pipeline sealing component includes a gas pipeline body 1, a fixing component 2, a positioning component 3, and a sealing component 4. The fixing component 2 includes a fixing sleeve 21 and bolts 23. The positioning component 3 includes a positioning sleeve 31. The sealing component 4 includes a guide post 41. The fixing sleeve 21 has a first fitting groove 22 and a second fitting groove 24 on its inner side. The positioning sleeve 31 has a sliding side groove 32 on its inner wall and a positioning inner groove 33 on its inner side. A linkage plate 35 is provided on the inner side of the positioning inner groove 33. A limit rod 36 is connected to the inner wall of the positioning inner groove 33. A threaded rod 34 is provided on the inner side of the linkage plate 35. A positioning locking post 37 is connected to one end of the linkage plate 35. One end of the guide post 41 is connected to a connecting rod 43. A sliding block 42 is connected to the outer wall of the guide post 41. A sealing ring 45 is connected to the end of the guide post 41 away from the connecting rod 43. A sealing head 46 is connected to the end of the sealing ring 45 away from the guide post 41. A positioning slot 47 is opened on the inner side of the guide post 41. A rubber ring 25 is connected to the inner wall of the first sleeve groove 22. The radius of the inner ring of the rubber ring 25 matches the radius of the outer ring of the gas pipeline body 1. The radius of the inner ring of the second sleeve groove 24 matches the radius of the outer ring of the guide post 41. The first sleeve groove 22 and the second sleeve groove 24 are connected. The gas pipeline body 1 and the fixed sleeve 21 have threaded holes of the same size. In use, the fixing sleeve 21 is fitted onto the outer wall of the gas pipeline body 1 through the first connecting groove 22, and then the fixing sleeve 21 is connected to the gas pipeline body 1 using bolts 23. The first connecting groove 22 is a groove for the gas pipeline body 1 to be inserted into, and the rubber ring 25 is used to improve the sealing performance when the gas pipeline body 1 is connected to the fixing sleeve 21. There are two positioning inner grooves 33, which are symmetrically opened on the inner side of the positioning sleeve 31. The inner wall of the positioning sleeve 31 has a channel for the positioning pin 37 to pass through. The positioning pin 37 is used to be inserted into the corresponding positioning slot 47, and the positioning pin 37 is inserted into the positioning slot 47 to limit the guide pin 41. The guide post 41 is fixed in position. The limiting rod 36 passes through the linkage plate 35 and is connected to the inner wall of the positioning inner groove 33. The limiting rod 36 is slidably connected to the linkage plate 35. One end of the threaded rod 34 passes through the linkage plate 35 and is rotatably connected to the inner wall of the positioning inner groove 33 through a bearing. The threaded rod 34 is threadedly rotatably connected to the linkage plate 35. When the guide post 41 is fixed in position, the threaded rod 34 is held and rotated. During the rotation, the threaded rod 34 drives the linkage plate 35 to move. During the movement, the linkage plate 35 drives the positioning pin 37 to gradually insert into the positioning slot hole 47. The end of the connecting rod 43 away from the guide post 41 is connected to a handle 44. The radius of the outer ring of the guide post 41 is the same as the radius of the inner ring of the positioning sleeve 31.In use, hold the handle 44 and push the guide post 41 through the connecting rod 43. As the guide post 41 moves, it drives the sealing ring 45 and the sealing head 46 to slide into the gas pipeline body 1. When the sliding block 42 touches the fixed sleeve 21, the sealing ring 45 and the sealing head 46 form a seal on the gas pipeline body 1. The sliding block 42 has an arc-shaped cross-section and is evenly spaced on the outer wall of the guide post 41. The size of the sliding block 42 matches the size of the sliding groove 32, and the length of the sliding block 42 is half the length of the guide post 41. The sliding block 42 is used to slide within the sliding groove 32, thereby improving the stability of the guide post 41 when sliding within the positioning sleeve 31. The head 46 is a frustum-shaped structure. The radius of the outer ring of the sealing ring 45 is the same as the radius of the inner ring of the positioning sleeve 31. The sealing ring 45 is used to connect the sealing head 46 and the guide post 41. The sealing ring 45 and the sealing head 46 are used to seal the gas pipeline body 1. The guide post 41 has symmetrical positioning slots 47 at its upper and lower ends. The size of the positioning slots 47 matches the size of the positioning pins 37. The positioning slots 47 are evenly spaced. The positioning slots 47 are used to insert the positioning pins 37, and the positioning pins 37 are inserted into the positioning slots 47 to limit and fix the guide post 41. The symmetrical positioning slots 47 at the upper and lower ends of the guide post 41 are used to limit and fix the upper and lower ends of the guide post 41 simultaneously through the positioning pins 37, thereby ensuring the stability of the guide post 41.
[0038] The working principle of this utility model is as follows: In use, the fixing sleeve 21 is fitted onto the outer wall of the gas pipeline body 1 through the first connecting groove 22, and then the fixing sleeve 21 is connected to the gas pipeline body 1 using bolts 23. The first connecting groove 22 is provided for the gas pipeline body 1 to be inserted into the groove. The rubber ring 25 is provided to improve the sealing performance when the gas pipeline body 1 is connected to the fixing sleeve 21. Hold the handle 44 and push the guide post 41 through the connecting rod 43. Then, during the movement, the guide post 41 drives the sealing ring 45 and the sealing head 46 to slide into the gas pipeline body 1. When the sliding block 42 touches the fixing sleeve 21, the sealing ring 45 and the sealing head 46 form a seal on the gas pipeline body 1. The sliding block 42 is provided for sliding in the sliding groove 32, and the sliding block 42 slides in the sliding groove 32. To improve the stability of the guide column 41 when sliding inside the positioning sleeve 31, the sealing ring 45 is used to connect the sealing head 46 to the guide column 41. The sealing ring 45 and the sealing head 46 are used to seal the gas pipeline body 1. When the guide column 41 is fixed in a limited position, the threaded rod 34 is held and rotated. During the rotation of the threaded rod 34, the linkage plate 35 is moved. During the movement of the linkage plate 35, the positioning pin 37 is gradually inserted into the positioning slot 47. The positioning slot 47 is used for the insertion of the positioning pin 37, and the positioning pin 37 is inserted into the positioning slot 47 to limit and fix the guide column 41. The positioning slot 47 is symmetrically opened at the upper and lower ends of the guide column 41, and the positioning pin 37 is used to limit and fix the upper and lower ends of the guide column 41 at the same time, thereby ensuring the stability of the guide column 41 in a limited position.
[0039] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0040] This article uses specific examples to illustrate the principles and implementation methods of this utility model. The above examples are only for the purpose of helping to understand the method and core ideas of this utility model. The above description is only a preferred embodiment of this utility model. It should be noted that due to the limitations of textual expression, there are objectively infinite specific structures. For those skilled in the art, several improvements, modifications, or changes can be made without departing from the principles of this utility model, and the above technical features can also be combined in an appropriate manner. These improvements, modifications, changes, or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without modification, should all be considered within the protection scope of this utility model.
Claims
1. A gas pipeline plugging device, comprising a gas pipeline body (1), a fixing assembly (2), a positioning assembly (3), and a plugging assembly (4), the fixing assembly (2) comprising a fixing sleeve (21) and a bolt (23), the positioning assembly (3) comprising a positioning sleeve (31), and the plugging assembly (4) comprising a guide column (41), characterized in that: The inner side of the fixed sleeve (21) is provided with a first sleeve slot (22) and a second sleeve slot (24), the inner wall of the positioning sleeve (31) is provided with a sliding edge slot (32), the inner side of the positioning sleeve (31) is provided with a positioning inner slot (33), the inner side of the positioning inner slot (33) is provided with a linkage plate (35), the inner wall of the positioning inner slot (33) is connected with a limiting rod (36), the inner side of the linkage plate (35) is provided with a threaded rod (34), one end of the linkage plate (35) is connected with a positioning clamping column (37), one end of the guide column (41) is connected with a connecting rod (43), the outer wall of the circumferential surface of the guide column (41) is connected with a sliding edge block (42), one end of the guide column (41) away from the connecting rod (43) is connected with a blocking ring (45), one end of the blocking ring (45) away from the guide column (41) is connected with a blocking head (46), and the inner side of the guide column (41) is provided with a positioning slot hole (47).
2. A gas pipe plug according to claim 1, characterised in that: The inner wall of the first sleeve slot (22) is connected with a rubber ring (25), the radius of the inner ring of the rubber ring (25) matches the radius of the outer ring of the gas pipeline body (1), the radius of the inner ring of the second sleeve slot (24) matches the radius of the outer ring of the guide column (41), the first sleeve slot (22) and the second sleeve slot (24) are communicated, and the gas pipeline body (1) and the fixed sleeve (21) are provided with thread holes with the same size.
3. A gas pipe plug according to claim 1, characterised in that: The positioning inner slot (33) is symmetrically provided on the inner side of the positioning sleeve (31), and the positioning sleeve (31) is provided with a channel for the positioning clamping column (37) to pass through.
4. The gas piping plug of claim 1, wherein: The limiting rod (36) penetrates through the linkage plate (35) and is connected with the inner wall of the positioning inner slot (33), the limiting rod (36) is slidingly connected with the linkage plate (35), one end of the threaded rod (34) penetrates through the linkage plate (35) and is rotatably connected with the inner wall of the positioning inner slot (33) through a bearing, and the threaded rod (34) is threadedly rotatably connected with the linkage plate (35).
5. The gas piping plug of claim 1, wherein: One end of the connecting rod (43) away from the guide column (41) is connected with a handle (44), and the radius of the outer ring of the guide column (41) is the same as the radius of the inner ring of the positioning sleeve (31).
6. The gas piping plug of claim 1, wherein: The front view cross section of the sliding edge block (42) is provided in an arc structure, the sliding edge block (42) is connected to the outer wall of the circumferential surface of the guide column (41) at equal intervals, the size of the sliding edge block (42) matches the size of the sliding edge slot (32), and the length of the sliding edge block (42) is half of the length of the guide column (41).
7. The gas piping plug of claim 1, wherein: The blocking head (46) is provided in a circular truncated cone structure, and the radius of the outer ring of the blocking ring (45) is the same as the radius of the inner ring of the positioning sleeve (31).
8. The gas piping plug of claim 1, wherein: The positioning slot holes (47) are symmetrically provided on the upper and lower ends of the guide column (41), the size of the positioning slot hole (47) matches the size of the positioning clamping column (37), and the positioning slot holes (47) are provided at equal intervals.