Novel quick-insertion air pipe joint
By using a snap-fit design to connect the snap-fit core to the main body of the air hose connector, the problem of thread wear and reduced air tightness at the valve body interface of the quick air hose connector is solved, achieving convenient air tightness connection and convenient replacement of the sealing ring.
Patent Information
- Application Number
- CN202520882854.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-07
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-05-07
AI Technical Summary
The existing quick-connect air hoses are prone to wear at the valve body interface, resulting in metal shavings and reduced air tightness, and are also inconvenient to install and disassemble.
It adopts a snap-fit core and air tube connector body design, which can achieve quick connection by plugging and unplugging. It uses a rubber sealing ring to ensure sealing and supports easy replacement, avoiding the wear problem of threaded connection.
It achieves a quick and stable connection between the air pipe connector and the valve body interface, avoiding malfunctions and reduced air tightness caused by thread wear. The operation is simple and convenient, and the rubber sealing ring is easy to replace.
Smart Images

Figure CN223953573U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a novel quick plug air pipe joint. BACKGROUND
[0002] The quick plug air pipe joint is a kind of quick connecting device commonly used in pneumatic system, and its maximum feature is that the connection and disassembly of air pipe can be realized quickly and simply;Many existing quick air pipe joints are usually connected with the valve body interface of pneumatic system in the way of threaded connection, but in the process of installing and dismounting quick air pipe joint on valve body interface, the screw thread on air pipe joint and the screw thread on valve body interface are repeatedly rubbed and can be easily abraded to produce metal chips, these metal chips enter valve body content through valve body interface and can easily cause the generation of failure, simultaneously, the abrasion can also reduce the air tightness of air pipe joint, and then cause the problem that joint can appear air leakage;Meanwhile, the installation of air pipe joint and valve body also needs to be slowly screwed in by tool.Therefore, it is necessary to develop a novel quick plug air pipe joint to solve the above problems. SUMMARY
[0003] The utility model aims at providing a novel quick plug air pipe joint to solve the problems in the above background.
[0004] To solve the above problems, the utility model adopts the following technical scheme:
[0005] A novel quick plug air pipe joint, including air pipe joint main part and buckle core body, the buckle core body sets up one side of air pipe joint main part, is set up in the buckle core body and is passed through the card hole, is equipped with the shaped boss on the inner wall of the card hole, and is equipped with conical structure surface one and conical structure surface two on the both sides of shaped boss, the air pipe joint main part includes sealing function part, plug-in part, clamping part and end face boss, the sealing function part sets up one side of buckle core body, plug-in part sets up one side of function part, and sealing function part and plug-in part are all cylindrical structure, the clamping part sets up one end of plug-in part, and end face boss sets up one end of sealing function part, sealing function part, plug-in part, clamping part and end face boss are integrated structure, the outer lateral wall of sealing function part is equipped with annular groove one, and is equipped with rubber sealing ring one in annular groove one, the inner wall of sealing function part is equipped with annular groove two, and is equipped with rubber sealing ring two in annular groove two.
[0006] Preferably, the clamping part is arranged on the outer lateral wall of the end portion of the plug-in part, one side of the clamping part is provided with a chamfer structure, and the other side of the clamping part is a right angle structure.
[0007] Preferably, the end portion of the plug-in part is provided with a buckle structure on the inner wall thereof, one side of the buckle structure is a flat surface, and the other side of the buckle structure is a conical surface.
[0008] Preferably, four lateral grooves are arranged in a cross shape on the side wall of the plug-in part.
[0009] Preferably, the side wall of the annular groove is in a conical surface structure.
[0010] Preferably, the edge of the end face boss is in a stepped structure.
[0011] The utility model discloses the beneficial effect is: the utility model discloses the installation of tracheal joint main part in the valve body interface of pneumatic system is realized through the clamping of tracheal joint main part and buckle core body, compared with the tracheal joint of conventional through the thread connection, can avoid the problem of valve body failure and gas tightness reduction caused by the abrasion of the screw thread on the tracheal joint and the screw thread on the valve body interface, when tracheal joint main part is installed and disassembled on the valve body interface, only need to plug the tracheal joint main part, makes tracheal joint main part and buckle core body clamping or separate, convenient and fast operation, the rubber sealing ring no. 1 and rubber sealing ring no. 2 of ensuring the sealing property are all directly arranged on the tracheal joint main part, when rubber sealing ring no. 1 and rubber sealing ring no. 2 are damaged because of long -term use, tracheal joint main part is extracted from buckle core body and valve body interface, then can peel rubber sealing ring no. 1 and rubber sealing ring no. 2 from tracheal joint main part and replace, simple and convenient operation. BRIEF DESCRIPTION OF DRAWINGS
[0012] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, but is not to the utility model protection scope's limit.
[0013] Figure 1 It is the whole structure schematic diagram of the utility model;
[0014] Figure 2 It is the structure schematic diagram of the utility model Figure 1 in tracheal joint main part;
[0015] Figure 3 It is the structure schematic diagram of the utility model Figure 1 in buckle core body;
[0016] Figure 4 It is the surface structure schematic diagram of the utility model Figure 1 in tracheal joint main part;
[0017] Figure 5 It is the side view of the utility model Figure 1 in tracheal joint main part;
[0018] Figure 6 It is one kind of installation schematic diagram of the utility model at the valve body interface of pneumatic system;
[0019] Figure 7Another installation schematic view of the utility model at the valve body interface of the pneumatic system.
[0020] In the figure: 11, tracheal connector main body; 12, buckle core; 13, rubber sealing ring one; 14, rubber sealing ring two; 15, sealing function part; 16, plug-in part; 17, clamping part; 18, lateral groove; 19, buckle structure; 20, annular groove one; 21, end face boss; 22, annular groove two; 23, shaping boss; 24, conical structure surface one; 25, conical structure surface two. Specific implementation
[0021] Referring to Figures 1 to 7 A novel quick-insert tracheal connector shown, including tracheal connector main body 11 and buckle core 12, the buckle core 12 is arranged at one side of tracheal connector main body 11, and a through clamping hole is formed in the buckle core 12, and a shaping boss 23 is arranged on the inner wall of the through clamping hole, and conical structure surface one 24 and conical structure surface two 25 are arranged on the two sides of the shaping boss 23, and the tracheal connector main body 11 includes a sealing function part 15, a plug-in part 16, a clamping part 17 and an end face boss 21, the sealing function part 15 is arranged at one side of the buckle core 12, the plug-in part 16 is arranged at one side of the sealing function part 15, and the sealing function part 15 and the plug-in part 16 are both in a cylindrical structure, and the sealing function part 15 is communicated with the through hole in the plug-in part 16, and together forms a through hole in the tracheal connector main body 11, the clamping part 17 is arranged at one end of the plug-in part 16, and the end face boss 21 is arranged at one end of the sealing function part 15, and the sealing function part 15, the plug-in part 16, the clamping part 17 and the end face boss 21 are in an integrated structure, an annular groove one 20 is arranged on the outer side wall of the sealing function part 15, a rubber sealing ring one 13 is arranged in the annular groove one 20, and the rubber sealing ring one 13 is clamped in the annular groove one 20, an annular groove two 22 is arranged on the inner wall of the sealing function part 15, a rubber sealing ring two 14 is arranged in the annular groove two 22, and the rubber sealing ring two 14 is clamped in the annular groove two 22, and the rubber sealing ring one 13 and the rubber sealing ring two 14, which ensure sealing, are directly arranged on the tracheal connector main body 11, when the rubber sealing ring one 13 and the rubber sealing ring two 14 are damaged due to long-term use, the tracheal connector main body 11 is pulled out of the buckle core 12 and the valve body interface, and then the rubber sealing ring one 13 and the rubber sealing ring two 14 can be peeled off from the tracheal connector main body 11 for replacement, which is simple and convenient to operate.
[0022] When the buckle core 12 is arranged in the valve body interface of the pneumatic system, as Figure 6 Shown, 12 can be produced separately, and a corresponding size clamping groove is processed in the valve body interface, and then 12 is tightly fitted and firmly installed in the clamping groove in the valve body interface; as Figure 7 Shown, 12 can also be directly processed on the inner wall of the valve body interface according to the inner wall structure of 12.
[0023] The port edge of the valve body interface of the pneumatic system is provided with a chamfer structure, so as to facilitate the insertion of the rubber sealing ring 13 when the air pipe joint body 11 is inserted into the valve body interface.
[0024] Further, the clamping portion 17 is arranged on the outer side wall of the end portion of the insertion portion 16, one side of the clamping portion 17 is provided with a chamfer structure, and the other side of the clamping portion 17 is a right angle structure.
[0025] Further, the inner wall of the end portion of the insertion portion 16 is provided with a buckle structure 19, one side surface of the buckle structure 19 is a plane, and the other side surface of the buckle structure 19 is a tapered surface. The buckle structure 19 forms a ring of protruding clamping structures on the inner wall of the insertion portion 16. When the air pipe made of soft material is connected with the air pipe joint body 11, the air pipe is inserted into the air pipe joint body 11, and the buckle structure 19 extrudes the outer wall of the air pipe, so that the buckle structure 19 clamps the air pipe in the air pipe joint body 11, thereby enhancing the stability of the connection between the air pipe joint body 11 and the air pipe.
[0026] Further, four lateral grooves 18 are arranged in a cross shape on the side wall of the insertion portion 16, the lateral grooves 18 extend to the clamping portion 17, so that the clamping portion 17 is also divided into four parts in a cross shape. The buckle structure 19 is also divided into four parts by the lateral grooves 18, that is, the end portion of the air pipe joint body 11 is divided into four parts which can be appropriately deformed under pressure, so that the end portion of the air pipe joint body 11 can be inwards contracted and popped out under the extrusion.
[0027] Further, one side wall of the annular groove two 22 is in a tapered surface structure. When the rubber sealing ring two 14 is installed in the annular groove two 22, an appropriate gap is left between the rubber sealing ring 14 and the tapered side wall of the annular groove two 22, which leaves an appropriate operation space for the rubber sealing ring two 14 to be taken out of the annular groove two 22, and also prevents the rubber sealing ring two 14 from being damaged due to excessive extrusion between the rubber sealing ring two 14 and the annular groove two 22 when the air pipe is inserted.
[0028] Further, the edge of the end face boss 21 is in a stepped structure. When the air pipe joint body 11 is inserted into the valve body interface of the pneumatic system, the end face boss 21 abuts against the outer side wall of the valve body interface, and the stepped structure leaves an appropriate gap between the end face boss 21 and the outer side wall of the valve body interface, which is beneficial to the pulling out of the air pipe joint body 11 from the valve body interface.
[0029] The utility model discloses a working principle, use this tracheal joint, buckle core 12 is arranged in the valve body interface of pneumatic system, tracheal joint main part 11 is inserted in buckle core 12 in valve body interface, during the insertion, the chamfer structure on the clamping portion 17 is pressed against the conical structure surface no. 25, with the movement of tracheal joint main part 11, the end of the tracheal joint main part 11 divided into four gradually shrinks under the extrusion, until the clamping portion 17 passes the setting boss 23, the extrusion of the end of tracheal joint main part 11 disappears, makes the end of tracheal joint main part 11 deformation recovery, at this time, the setting boss 23 and the conical structure surface no. 24 of one side block the clamping portion 17, so that the end of tracheal joint main part 11 does not easily separate from buckle core 12, tracheal joint main part 11 and buckle core 12 complete butt joint, then the trachea is passed from the through hole in tracheal joint main part 11, and the buckle structure 19 extrudes the outer wall of trachea, so that the buckle structure 19 is clamped in tracheal joint main part 11, and the trachea in tracheal joint main part 11 and the valve body interface of pneumatic system complete butt joint, at this time, rubber sealing ring no. 1 13 and the inner wall of valve body interface are closely attached, and rubber sealing ring no. 2 14 and the outer wall of trachea are closely attached, so as to guarantee the sealing property of butt joint, at this time, the gas source is connected, the clamping portion 17 is inflated outside, and the tracheal joint is pushed as a whole to the outside under the air pressure, and the other side right angle structure of the clamping portion 17 presses against the setting boss 23, so that the tracheal joint is firmly installed in the valve body, and in fact, when there is no gas source, the trachea is also not easy to pull out under the state of passing through.
[0030] When tracheal joint main part 11 is detached from the valve body interface, the gas source is closed, and the end face boss 21 is pressed against in the direction of the valve body with force, so that the clamping portion 17 and the buckle structure 19 reduce the clamping pressure acting on the trachea, then the trachea is directly inserted with force and then immediately pulled out in the reverse direction, after the trachea is pulled out, the end face boss 21 step of tracheal joint 11 is pried, or the end face boss 21 step is clamped with a suitable tool, and tracheal joint main part 11 is pulled outwards with force, at this time, the clamping portion 17 divided into four is inwards contracted under the extrusion of the conical structure surface no. 24, so that the end of the tracheal joint main part 11 divided into four gradually shrinks under the extrusion, until the clamping portion 17 passes the setting boss 23, and the end of tracheal joint main part 11 is separated from buckle core 12, and then tracheal joint main part 11 can be taken out from the valve body interface.
[0031] The above is only the specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any change or replacement without creative labor should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be the protection scope defined in the claims.
Claims
1. A novel quick-connect endotracheal tube connector, characterized in that: The device includes a tracheal connector body (11) and a snap-fit core (12). The snap-fit core (12) is located on one side of the tracheal connector body (11). A through-hole is provided inside the snap-fit core (12). A shaping boss (23) is provided on the inner wall of the through-hole. A conical structural surface (24) and a conical structural surface (25) are respectively provided on both sides of the shaping boss (23). The tracheal connector body (11) includes a sealing function part (15), a plug-in part (16), a snap-fit part (17), and an end face boss (21). The sealing function part (15) is located on one side of the snap-fit core (12), and the plug-in part (16) is located on the sealing function part (15). On one side, the sealing function part (15) and the plug-in part (16) are both cylindrical structures. The snap-fit part (17) is located at one end of the plug-in part (16), and the end face boss (21) is located at one end of the sealing function part (15). The sealing function part (15), the plug-in part (16), the snap-fit part (17) and the end face boss (21) are integrated structures. The outer wall of the sealing function part (15) is provided with an annular groove one (20), and a rubber sealing ring one (13) is provided in the annular groove one (20). The inner wall of the sealing function part (15) is provided with an annular groove two (22), and a rubber sealing ring two (14) is provided in the annular groove two (22).
2. The novel quick-connect air hose connector according to claim 1, characterized in that: The snap-fit part (17) is provided on the outer side wall of the end of the plug-in part (16). One side of the snap-fit part (17) is provided with a chamfer structure, and the other side of the snap-fit part (17) is a right angle structure.
3. The novel quick-connect air hose connector according to claim 1, characterized in that: The inner wall of the end of the plug (16) is provided with a snap-fit structure (19), one side of the snap-fit structure (19) is a plane, and the other side of the snap-fit structure (19) is a cone.
4. The novel quick-connect endotracheal connector according to claim 1, characterized in that: The side wall of the plug part (16) is provided with four lateral grooves (18) in a cross shape.
5. A novel quick-connect air hose connector according to claim 1, characterized in that: One side wall of the annular groove 2 (22) has a conical structure.
6. A novel quick-connect endotracheal connector according to claim 1, characterized in that: The edge of the end face boss (21) has a stepped structure.