Gas connecting bolt
By improving the structural design of the gas connection bolt and utilizing components such as sealing rings and snap-fit blocks, the sealing and stability issues when connecting the gas connection bolt to the pipeline were resolved, resulting in better sealing performance and connection stability.
Patent Information
- Application Number
- CN202520374519.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-03-05
AI Technical Summary
The existing gas connection bolts do not provide a satisfactory seal when connected to pipes, resulting in air leakage and unstable connections.
By designing a combination of structures such as bolt heads, screws, sealing rings, and return springs, a tight contact between the sealing ring and the inner wall of the pipe is achieved, and a snap-fit block and inclined surface are used to ensure a stable connection of the pipe.
It improves the sealing performance of the gas connection bolt and the pipe connection, avoids air leakage, and enhances the stability of the connection to prevent the pipe from falling off.
Smart Images
Figure CN223595305U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a gas connection bolt technical field, concretely is a gas connection bolt. BACKGROUND
[0002] The prior art gas connection bolt when connecting with the pipeline, the sealing effect is not ideal at the connecting part, leading to the device and the pipeline still exist the gas leakage situation when connecting, need to strengthen the sealing property of the pipeline and the gas connection bolt connecting part, and the other end of the gas connection bolt, can adopt the inside and outside connection two ways and connect, make the both sides of the gas connection bolt can communicate, and strengthen the connecting effect when connecting, avoid the situation of easy to fall off appears, therefore need a kind of gas connection bolt to solve the above problems. SUMMARY
[0003] In view of the deficiencies of the prior art, the utility model provides a gas connection bolt, solve the problem mentioned in the above background.
[0004] The utility model provides following technical scheme: a kind of gas connection bolt, comprising: bolt head, the outer wall of the bolt head is connected with screw rod, the outer wall of the bolt head is fixed with hand control camber, the outer wall of the screw rod is movably sleeved with sealing ring one, the bolt head is set with capacity cavity, the inner wall of the bolt head is set with movable slot, the inner cavity of the bolt head is sleeved with mounting seat, the outer wall of the mounting seat is set with butt joint surface, the top of the mounting seat is placed with sealing ring two, the inner wall of the mounting seat is set with limit hole, the bottom of the mounting seat is fixedly connected with extension wall, the bottom of the mounting seat is placed with steel ball, the inner cavity of the screw rod is set with through-hole, the inner wall of the screw rod is connected with inner limit wall, the inner wall of the bolt head is placed with operating plate, the outer wall of the screw rod is set with butt joint hole, the inner wall of the screw rod is set with compression cavity, the inner wall of the compression cavity is connected with reset spring, the other side of the reset spring away from the compression cavity is connected with clamping block, the outer wall of the clamping block is movably connected with hand control lever.
[0005] Preferably, the bolt head includes a smooth head surface, and the inside of the bolt head is provided with a head thread.
[0006] Preferably, the screw rod includes an external thread, and the outer wall of the screw rod is provided with an external smooth surface and the inner wall of the screw rod is provided with an internal transition surface.
[0007] Preferably, the inner wall of the movable slot is matched with the outer wall of the extension wall, and the extension wall is movably sleeved with the movable slot.
[0008] Preferably, the limit hole is set in the inner wall of the mounting seat and the bolt head, and the inner wall of the limit hole is matched with the outer wall of the operating plate.
[0009] Preferably, the number of steel balls is several, and the several steel balls are arranged between the extension wall and the capacity cavity.
[0010] Preferably, the two ends of the reset spring are connected with the inner wall of the screw rod and the outer wall of the clamping block, and the other side of the clamping block away from the reset spring is provided as a 15° inclined surface.
[0011] Preferably, the side of the clamping block facing the hand lever is provided with a small screw thread, and the clamping block is connected with the hand lever through the small screw thread.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] 1. The air connection bolt is connected with the pipeline by the proximal end of the bolt head, the inclined surface of the butt joint surface is fully butted with the inner wall of the pipeline, the sealing ring two is in contact with the inner wall of the pipeline, the space of the connection is fully sealed, the bolt head is used for threaded rotation connection when the pipeline is connected, the mounting seat of the device is rotated in the inner cavity of the movable slot through the extension wall, and the outer wall of the extension wall and the inner wall of the movable slot are prevented from being rubbed too much by adding lubricating oil in the inner cavity of the movable slot, and the sealing property is improved.
[0014] 2. The air connection bolt is connected with the pipeline by the proximal end of the bolt head, the inclined surface of the butt joint surface is fully butted with the inner wall of the pipeline, the sealing ring two is in contact with the inner wall of the pipeline, the space of the connection is fully sealed, the bolt head is used for threaded rotation connection when the pipeline is connected, the mounting seat of the device is rotated in the inner cavity of the movable slot through the extension wall, and the outer wall of the extension wall and the inner wall of the movable slot are prevented from being rubbed too much by adding lubricating oil in the inner cavity of the movable slot, and the sealing property is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0016] Figure 2 It is a three-dimensional sectional structure schematic view of the utility model;
[0017] Figure 3 It is a three-dimensional sectional structure schematic view of the utility model; Figure 2 It is an enlarged schematic view of the structure at A in the utility model;
[0018] Figure 4 It is an enlarged schematic view of the structure at B in the utility model; Figure 2 It is an enlarged schematic view of the structure at B in the utility model;
[0019] Figure 5 It is a steel ball structure schematic view of the utility model;
[0020] Figure 6 It is a capacity cavity structure schematic view of the utility model.
[0021] In the figure: 1, bolt head; 101, smooth surface of the head; 102, bolt thread; 2, screw rod; 201, external thread; 202, external smooth surface; 203, internal transition surface; 3, hand control arc surface; 4, sealing ring one; 5, capacity cavity; 6, movable slot; 7, mounting seat; 8, butt joint surface; 9, sealing ring two; 10, limiting hole; 11, extension wall; 12, steel ball; 13, through hole; 14, internal limiting wall; 15, operation plate; 16, butt joint hole; 17, compression cavity; 18, return spring; 19, clamping block; 20, hand control lever. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0023] Please refer to Figures 1-6 A gas connection bolt, comprising: a bolt head 1, an outer wall of the bolt head 1 is connected with a screw rod 2, the outer wall of the bolt head 1 is fixedly provided with a hand control arc surface 3, an outer wall of the screw rod 2 movably sleeves a sealing ring one 4, the bolt head 1 is provided with a capacity cavity 5, an inner wall of the bolt head 1 is provided with a movable slot 6, the inner cavity of the bolt head 1 sleeves a mounting seat 7, an outer wall of the mounting seat 7 is provided with a butt joint surface 8, the top of the mounting seat 7 is placed with a sealing ring two 9, the inner wall of the mounting seat 7 is provided with a limiting hole 10, the bottom of the mounting seat 7 is fixedly connected with an extension wall 11, the bottom of the mounting seat 7 is placed with a steel ball 12, the inner cavity of the screw rod 2 is provided with a through hole 13, the inner wall of the screw rod 2 is connected with an internal limiting wall 14, the inner wall of the bolt head 1 is placed with an operation plate 15, the outer wall of the screw rod 2 is provided with a butt joint hole 16, the inner wall of the screw rod 2 is provided with a compression cavity 17, the inner wall of the compression cavity 17 is connected with a return spring 18, the other side of the return spring 18 away from the compression cavity 17 is connected with a clamping block 19, the outer wall of the clamping block 19 movably connects with a hand control lever 20.
[0024] The bolt head 1 comprises a smooth surface of the head 101, and the inner side of the bolt head 1 is provided with a bolt thread 102. By means of the smooth surface of the head 101 and the bolt thread 102 on the device, when the device is connected at the proximal end of the bolt head 1, the smooth surface of the head 101 is used to avoid hard collision with the connected object, and the bolt thread 102 is used to threadedly connect with the connected object.
[0025] Wherein; the screw 2 comprises an outer thread 201, the outer wall of the screw 2 is provided with an outer smooth surface 202, and the inner wall of the screw 2 is provided with an inner transition surface 203; through the outer thread 201, the outer smooth surface 202 and the inner transition surface 203 on the device, when the screw 2 on the device is connected with the pipeline, the external connection is threadedly connected by the outer thread 201, and in this process, the outer smooth surface 202 and the inner transition surface 203 are used for smooth transition of the pipeline connection, and when the internal connection is connected, the inner transition surface 203 is gradually reduced in the connected caliber.
[0026] Wherein; the inner wall of the movable groove 6 is matched with the outer wall of the extension wall 11, and the extension wall 11 is movably sleeved with the movable groove 6; through the matching of the inner wall of the movable groove 6 with the outer wall of the extension wall 11 on the device, the extension wall 11 on the device is butted into the inner cavity of the movable groove 6, lubricating oil is added into the inner cavity of the movable groove 6, and when the extension wall 11 rotates in the inner cavity of the movable groove 6, the outer wall of the extension wall 11 and the inner wall of the movable groove 6 are prevented from having large friction.
[0027] Wherein; the limiting hole 10 is arranged on the inner wall of the mounting seat 7 and the bolt head 1, and the inner wall of the limiting hole 10 is matched with the outer wall of the operation plate 15; the limiting hole 10 on the device is arranged on the inner wall of the mounting seat 7 and the bolt head 1, so that the limiting hole 10 on the device is arranged on the inner wall of the bolt head 1, and a plurality of limiting holes 10 are arranged on the inner wall of the mounting seat 7, so that the operation plate 15 on the device penetrates the inner wall of the bolt head 1 from the outside of the bolt head 1 and is opposite to the mounting seat 7.
[0028] Wherein; the number of steel balls 12 is several, and the several steel balls 12 are arranged between the extension wall 11 and the capacity cavity 5; through the several steel balls 12 on the device, the steel balls 12 on the device are uniformly distributed in the movable cavity between the extension wall 11 and the capacity cavity 5, so that when the mounting seat 7 on the device rotates in the inner cavity of the capacity cavity 5, the steel balls 12 support the bottom of the mounting seat 7 and enable the mounting seat 7 to rotate smoothly.
[0029] Wherein; the two ends of the reset spring 18 are connected with the inner wall of the screw 2 and the outer wall of the clamping block 19, and the other side of the clamping block 19 away from the reset spring 18 is provided with a 15° inclined surface; through the two ends of the reset spring 18 being connected with the inner wall of the screw 2 and the outer wall of the clamping block 19 on the device, when the inner cavity of the screw 2 on the device needs to be connected with the pipeline, the pipeline passes through the clamping block 19, and the inclined surface of the clamping block 19 is used to enable the clamping block 19 to have a barb effect on the pipeline, so that the pipeline is easily connected and disconnected.
[0030] The side of the clamping block 19 facing the hand lever 20 is provided with a small thread, and the clamping block 19 is connected with the hand lever 20 through the small thread. The side of the clamping block 19 facing the hand lever 20 of the device is provided with a small thread, so that when the position of the clamping block 19 on the device needs to be adjusted, the hand lever 20 is connected with the clamping block 19 through the small thread, so that the hand lever 20 can adjust the position of the clamping block 19, and the reset spring 18 is passively in the retracted state.
[0031] Working principle, first through the cooperation of the movable groove 6, the extension wall 11 and the butt joint surface 8, the sealing ring two 9, the device is connected with the pipe through the screw head 1 near the end, the pipe is connected with the mounting seat 7, the inclined surface of the butt joint surface 8 is fully connected with the inner wall of the pipe, and the sealing ring two 9 is in contact with the inner wall of the pipe, and the space of the connection is fully sealed, and the pipe connection needs to be connected by thread rotation at the bolt head thread 102, so that the mounting seat 7 on the device rotates in the inner cavity of the movable groove 6 by the extension wall 11, and the extension wall 11 is added with lubricating oil in the inner cavity of the movable groove 6, so that the outer wall of the extension wall 11 and the inner wall of the movable groove 6 avoid large friction, thereby increasing the sealing property, and then through the cooperation of the screw rod 2, the outer thread 201 and the clamping block 19, the reset spring 18, the screw rod 2 on the device can be connected with the outer thread 201 from the outside, and when the pipe needs to be connected in the inner cavity of the screw rod 2, the inclined surface of the clamping block 19 makes the pipe easy to connect, and when it is withdrawn, it is hooked by the inclined surface, so that the internal connected pipe is not easy to fall off.
[0032] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A gas connection bolt, characterized in that, include: A bolt head (1) is connected to a screw rod (2) on its outer wall. A hand-controlled arc surface (3) is fixedly provided on the outer wall of the bolt head (1). A sealing ring (4) is movably sleeved on the outer wall of the screw rod (2). A capacity cavity (5) is opened in the bolt head (1). A movable groove (6) is opened on the inner wall of the bolt head (1). A mounting seat (7) is sleeved in the inner cavity of the bolt head (1). A mating surface (8) is opened on the outer wall of the mounting seat (7). A sealing ring (9) is placed on the top of the mounting seat (7). A limit hole (10) is opened on the inner wall of the mounting seat (7). An extension is fixedly connected to the bottom of the mounting seat (7). The wall (11), the bottom of the mounting base (7) is provided with a steel ball (12), the inner cavity of the screw (2) is provided with a through hole (13), the inner wall of the screw (2) is connected with an inner limiting wall (14), the inner wall of the bolt head (1) is provided with an operating plate (15), the outer wall of the screw (2) is provided with a docking hole (16), the inner wall of the screw (2) is provided with a compression cavity (17), the inner wall of the compression cavity (17) is connected with a return spring (18), the other side of the return spring (18) away from the compression cavity (17) is connected with a snap-fit block (19), and the outer wall of the snap-fit block (19) is movably connected with a hand control rod (20).
2. The gas connection bolt according to claim 1, characterized in that, The bolt head (1) includes a bolt head smooth surface (101), and the inner side of the bolt head (1) is provided with a bolt head thread (102).
3. The gas connection bolt according to claim 1, characterized in that, The screw (2) includes an external thread (201), the outer wall of the screw (2) is provided with an outer smooth surface (202), and the inner wall of the screw (2) is provided with an inner transition surface (203).
4. A gas connection bolt according to claim 1, characterized in that, The inner wall of the movable groove (6) is adapted to the outer wall of the extension wall (11), and the extension wall (11) is movably connected to the movable groove (6).
5. A gas connection bolt according to claim 1, characterized in that, The limiting hole (10) is opened on the inner wall of the mounting base (7) and the bolt head (1), and the inner wall of the limiting hole (10) is adapted to the outer wall of the operating plate (15).
6. A gas connection bolt according to claim 1, characterized in that, The number of steel balls (12) is several, and several steel balls (12) are disposed between the extension wall (11) and the volume cavity (5).
7. A gas connection bolt according to claim 1, characterized in that, The two ends of the return spring (18) are connected to the inner wall of the screw (2) and the outer wall of the snap block (19), and the snap block (19) is set as a 15° inclined surface on the other side away from the return spring (18).
8. A gas connection bolt according to claim 1, characterized in that, The snap-fit block (19) has a small thread on the side facing the hand control lever (20), and the snap-fit block (19) is connected to the hand control lever (20) through the small thread.