Leakage-proof closed quick connector
By setting up a connection enclosure outside the pipe joint docking projection of the quick joint, and using the limit slot and limit projection to achieve accurate docking, the problem of poor connection strength at the quick joint connection is solved, and leakage-proof sealing is achieved connection effect.
Patent Information
- Application Number
- CN202421201952.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-05-29
AI Technical Summary
The fast connector has poor connection strength at the connection point and is prone to fall off after long use, resulting in problems such as liquid leakage.
A leak-proof sealed quick joint is designed. By setting a connection enclosure shell outside the butt protrusions of the two pipe joints, the connection enclosure shell is used to enclose the annular form formed by the two butt protrusions, improving the connection strength and passing through the limit position. The grooves and limiting projections enable accurate positioning of docking.
It effectively improves the connection strength of the two-tube joints to prevent liquid leakage caused by loosening after long-term use.
Smart Images
Figure CN222527102U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of quick connectors, in particular to a leak-proof and airtight quick connector. Background Art
[0002] A quick connector is a connector that can connect or disconnect pipes without tools, and has the advantages of saving time, labor, fuel, space, convenient transportation, environmental protection and economy. The quick connector has a fast connection speed, but the connection strength of the connection is relatively poor, and it is easy to fall off after long-term use, resulting in leakage and the like. To this end, the utility model provides a leak-proof and sealed quick connector. Utility Model Content
[0003] The utility model aims to provide a leakproof and airtight quick connector.
[0004] In order to solve the above technical problems, the purpose of the utility model is achieved as follows:
[0005] A leakproof and airtight quick connector, comprising: a first pipe connector and a second pipe connector; the second pipe connector can be inserted into the first pipe connector;
[0006] The first end of the first pipe joint is provided with a first docking protrusion, and a stepped opening is provided inside; a sealing strip is provided at the stepped opening; a limiting groove is provided on the side of the first pipe joint; the limiting groove extends from the first docking protrusion to the middle of the first pipe joint and is arc-shaped;
[0007] The first end of the second pipe joint corresponds to the stepped opening, and can abut against the sealing strip; the end face of the second docking protrusion arranged in the middle of the second pipe joint can be fitted with the end face of the first docking protrusion; a limiting protrusion is arranged on the outer side wall of the second pipe joint; the limiting protrusion can be inserted into the limiting groove;
[0008] A fixing portion is provided on the outer side wall of the first pipe joint; a rotating rod is fixedly provided on one side of the fixing portion; there are two rotating rods, which are arranged up and down; a first connecting surrounding shell and a second connecting surrounding shell are rotatably provided on the two rotating rods respectively; the first connecting surrounding shell is covered on the annular upper half formed by the first docking protrusion and the second docking protrusion; the second connecting surrounding shell is covered on the annular lower half formed by the first docking protrusion and the second docking protrusion, and a connecting mechanism is provided at the end of the second connecting surrounding shell to realize detachable connection with the first connecting surrounding shell.
[0009] On the basis of the above scheme and as a preferred scheme of the above scheme, the first connected surrounding shell and the second connected surrounding shell have the same structure, both including a first horizontal end, an surrounding section and a second horizontal end; the surrounding section is arranged between the first horizontal end and the second horizontal end; the first horizontal end is connected to the rotating rod; the second horizontal end is used for the first connected surrounding shell and the second connected surrounding shell to be detachably connected to each other.
[0010] On the basis of the above scheme and as a preferred scheme of the above scheme, the connecting mechanism includes a connecting piece; the bottom of the connecting piece is rotatably connected to the second horizontal end of the second connecting surrounding shell, and the top thread is equipped with a screw rod; the bottom of the screw rod can abut the top surface of the second horizontal end of the first connecting surrounding shell.
[0011] On the basis of the above solution and as a preferred solution of the above solution, a rotating paddle is provided on the top of the screw.
[0012] On the basis of the above solution and as a preferred solution of the above solution, a gripping ring is provided on the first pipe joint.
[0013] The beneficial effect of the utility model is that a connection surrounding shell is arranged outside the butt protrusions of the two pipe joints. After butt connection, the connection surrounding shell is used to surround the ring formed by the two butt protrusions, which can improve the connection strength of the two pipe joints and prevent the two pipe joints from loosening after long-term use and causing leakage. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the utility model.
[0015] Figure 2 This is a structural schematic diagram of the utility model from another viewing angle.
[0016] Figure 3 It is a cross-sectional schematic diagram of the utility model.
[0017] Figure 4 This is a schematic diagram of the structure of the first pipe joint of the utility model.
[0018] Figure 5 This is a schematic diagram of the structure of the second pipe joint of the utility model.
[0019] Figure 6 This is a schematic diagram of the connecting surrounding shell structure of the utility model.
[0020] In the figure: 1. first pipe joint; 2. second pipe joint; 3. first docking protrusion; 4. stepped opening; 5. sealing strip; 6. limiting groove; 7. second docking protrusion; 8. limiting protrusion; 9. fixing part; 10. rotating rod; 11. first connecting surrounding shell; 12. second connecting surrounding shell; 13. first horizontal end; 14. surrounding section; 15. second horizontal end; 16. connecting piece; 17. screw rod; 18. rotating paddle; 19. holding ring. DETAILED DESCRIPTION
[0021] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.
[0022] like Figures 1 to 3 As shown, a leakproof and airtight quick connector comprises: a first pipe connector 1 and a second pipe connector 2; the second pipe connector 2 can be inserted into the first pipe connector 1 to achieve docking.
[0023] The first end of the first pipe joint 1 is provided with a first butt joint protrusion 3, and a stepped opening 4 is provided inside. A sealing strip 5 is provided at the stepped opening 4.
[0024] like Figure 1 and Figure 4 As shown, a limiting groove 6 is provided on the side of the first pipe joint 1 , and the limiting groove 6 extends from the first docking protrusion 3 to the middle of the first pipe joint 1 and is arc-shaped.
[0025] The first end of the second pipe joint 2 is inserted into the first pipe joint 1 and corresponds to the stepped opening 4 , and abuts against the sealing strip 5 to achieve a sealed connection.
[0026] like Figure 3 As shown, when the first pipe joint 1 and the second pipe joint 2 are butt-jointed, the end surface of the second butt joint protrusion 7 disposed in the middle of the second pipe joint 2 fits with the end surface of the first butt joint protrusion 3. The two butt joint protrusions 3 are combined to form an annular protrusion on the first pipe joint 1 and the second pipe joint 2.
[0027] like Figure 5 As shown, a limiting protrusion 8 is provided on the outer wall of the second pipe joint 2 , and the limiting protrusion 8 can be inserted into the limiting groove 6 . As the second pipe joint 2 gradually penetrates into the first pipe joint, the limiting protrusion 8 moves in the limiting groove 6 .
[0028] A fixing portion 9 is provided on the outer wall of the first pipe joint 1. The fixing portion 9 is fixedly connected to the outer wall of the first pipe joint 1, and a rotating rod 10 is fixedly provided on one side thereof. There are two rotating rods 10, which are arranged in parallel up and down. A first connecting enclosure shell 11 and a second connecting enclosure shell 12 are rotatably provided on the two rotating rods 10, respectively.
[0029] like Figure 6As shown, the first connection enclosure shell 11 and the second connection enclosure shell 12 have the same structure, and both include an integrally formed first horizontal end 13, an enclosure section 14, and a second horizontal end 15. The enclosure section 14 is disposed between the first horizontal end 13 and the second horizontal end 15. The first horizontal end 13 is connected to the rotating rod 10, and the second horizontal end 15 is used for the first connection enclosure shell 11 and the second connection enclosure shell 12 to be detachably connected to each other. The enclosure section 14 surrounds the annular outer portion formed by the two butt protrusions being fitted together.
[0030] The first connection enclosure shell 11 covers the annular upper half formed by the first docking protrusion 3 and the second docking protrusion 7. The second connection enclosure shell 12 covers the annular lower half formed by the first docking protrusion 3 and the second docking protrusion 7, and a connection mechanism is provided at the end of the second connection enclosure shell 12 to realize detachable connection with the first connection enclosure shell 11.
[0031] Preferably, the connection mechanism includes a connection member 16. The connection member 16 is in the shape of a U-shaped member, the bottom of the two sides are rotatably connected to the second horizontal end 15 of the second connection enclosure shell 12, and the top thread is matched with a screw rod 17. The bottom of the screw rod 17 can abut against the top surface of the second horizontal end 15 of the first connection enclosure shell 11. When in use, the connection member 16 is rotated to the top of the first connection enclosure shell 11, and then the screw rod 17 is rotated to make it descend and abut against the second horizontal end 15 of the first connection enclosure shell 11, so as to achieve a fixed connection between the two connection enclosure shells.
[0032] In order to facilitate the rotation of the screw rod 17 , a rotating paddle 18 is provided on the top of the screw rod 17 .
[0033] A gripping ring 19 is provided on the first pipe joint 1 to facilitate workers to take the first pipe joint 1 .
[0034] During operation, the second pipe joint 2 is first inserted into the first pipe joint 1, and the end of the second pipe joint 2 abuts against the stepped opening 4 inside the first pipe joint 1, and the sealing strip 5 at the stepped opening 4 is used to achieve sealing; then the first connection surrounding shell 11 and the second connection surrounding shell 12 are buckled together, so that the two are surrounded by the annular outer part formed by the two docking protrusions, and then the ends of the two connection surrounding shells 11 are fixedly connected by the connecting mechanism.
[0035] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.
Claims
1. A leakproof and airtight quick connector, characterized in that: include: A first pipe joint (1) and a second pipe joint (2); the second pipe joint (2) can be inserted into the first pipe joint (1); The first end of the first pipe joint (1) is provided with a first docking protrusion (3), and a stepped opening (4) is provided inside; a sealing strip (5) is provided at the stepped opening (4); a limiting groove (6) is provided on the side of the first pipe joint (1); the limiting groove (6) extends from the first docking protrusion (3) to the middle of the first pipe joint (1) and is arc-shaped; The first end of the second pipe joint (2) corresponds to the stepped opening (4) and can abut against the sealing strip (5); the end surface of the second docking protrusion (7) arranged in the middle of the second pipe joint (2) can be fitted with the end surface of the first docking protrusion (3); a limiting protrusion (8) is arranged on the outer side wall of the second pipe joint (2); the limiting protrusion (8) can be inserted into the limiting groove (6); A fixing portion (9) is provided on the outer wall of the first pipe joint (1); a rotating rod (10) is fixedly provided on one side of the fixing portion (9); there are two rotating rods (10) arranged in an upper and lower manner; a first connecting surrounding shell (11) and a second connecting surrounding shell (12) are rotatably provided on the two rotating rods (10); the first connecting surrounding shell (11) is covered on the annular upper half formed by the first docking protrusion (3) and the second docking protrusion (7); the second connecting surrounding shell (12) is covered on the annular lower half formed by the first docking protrusion (3) and the second docking protrusion (7), and a connecting mechanism is provided at the end of the second connecting surrounding shell (12) to realize a detachable connection with the first connecting surrounding shell (11).
2. A leakproof and airtight quick connector according to claim 1, characterized in that: The first connection surrounding shell (11) and the second connection surrounding shell (12) have the same structure, and both include a first horizontal end (13), an surrounding section (14) and a second horizontal end (15); the surrounding section (14) is arranged between the first horizontal end (13) and the second horizontal end (15); the first horizontal end (13) is connected to the rotating rod (10); and the second horizontal end (15) is used for detachably connecting the first connection surrounding shell (11) and the second connection surrounding shell (12) to each other.
3. A leakproof and airtight quick connector according to claim 2, characterized in that: The connecting mechanism comprises a connecting piece (16); the bottom of the connecting piece (16) is rotatably connected to the second horizontal end (15) of the second connecting surrounding shell (12), and the top thread is matched with a screw rod (17); the bottom of the screw rod (17) can abut against the top surface of the second horizontal end (15) of the first connecting surrounding shell (11).
4. A leakproof and airtight quick connector according to claim 3, characterized in that: A rotating paddle (18) is provided on the top of the screw rod (17).
5. The leakproof and sealed quick connector according to claim 1, characterized in that: The first pipe joint (1) is provided with a gripping ring (19).