Self-locking pneumatic connector
By designing a self-locking assembly in the pneumatic joint, the impact force when the gas flow rate increases is used to enhance the locking force of the self-locking ball and the extrusion ring, the problem of the hose falling off under high flow rate gas is solved, and the pneumatic joint is realized Higher locking strength and easy-to-replace self-locking assembly.
Patent Information
- Application Number
- CN202420637571.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-03-29
AI Technical Summary
When the gas flow rate of existing pneumatic joints is too fast, the thrust generated by the existing pneumatic joints may cause problems such as pipe disengagement and gas leakage.
A self-locking pneumatic joint is designed, using self-locking components, including connecting shells, inner sleeves, hose connection ports, self-locking balls and push rods. It is set through Z-shaped cross-section and tilt, and when the gas flow rate increases, it is used to increase. The impact force increases the locking force of the self-locking ball and the extrusion ring to prevent the hose from falling off.
It effectively avoids the problem of hose peeling caused by the large gas impact force, improves the locking strength of the pneumatic joint, and the self-locking assembly is removable, making it easier to install and replace on other joints.
Smart Images
Figure CN222458773U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of pneumatic joints, in particular to a self-locking pneumatic joint. Background Art
[0002] Pneumatic quick connectors are a type of quick connector mainly used for air piping and pneumatic tools. They can be connected and installed without the need for tools. However, today's pneumatic connectors generate a large thrust when the gas flow rate inside them is too fast, which may cause the pipe to detach, leading to gas leakage. Utility Model Content
[0003] The utility model aims at the deficiencies of the prior art and provides a self-locking pneumatic joint.
[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-locking pneumatic joint, comprising a pneumatic joint, characterized in that: the pneumatic joint is divided into a short section and a long section, and a self-locking component is detachably installed at the long section;
[0005] The self-locking component includes a connecting outer shell, an inner sleeve and a hose connecting port, which are fixed together and have a Z-shaped cross-section. A hose is sleeved on the hose connecting port, and a self-locking ball is movably installed between the inner sleeve and the hose connecting port. At least two push rods are slidably arranged in the hose connecting port, a connecting rod is fixed to one end of the push rod, and an annular extrusion ring is arranged on the connecting rod.
[0006] Optionally, the connecting shell is threadedly connected to the long section of the pneumatic joint, the inner sleeve is tightly connected to the inner wall of the pneumatic joint, the outer peripheral side of the hose connecting port is inclined, and at least two raised rings are provided on the inclined end face of the hose connecting port.
[0007] Optionally, at least two slide grooves are provided on the inner wall of the inner sleeve, and the self-locking ball moves in the slide groove. The end surface of the slide groove away from the center line of the pneumatic joint is also inclined, and its inclination angle is greater than the inclination angle of the inclined end of the hose connection port.
[0008] Optionally, when the self-locking ball moves to the protruding ring closest to the self-locking ball, the diameter of the self-locking ball is greater than the distance from the protruding ring to the bottom of the slide groove.
[0009] Optionally, a push plate is fixed to the other end of the push rod.
[0010] In summary, compared with the prior art, the present invention has the following beneficial effects:
[0011] 1. Due to the setting of the self-locking component, the hose can be locked by itself after being put on the hose connection port through the setting of the self-locking ball and the extrusion ring. Moreover, when the gas flow rate is faster and the impact force is greater, the force of the extrusion ring against the self-locking ball is greater, so that the locking strength is higher, which effectively avoids the problem of the hose falling off due to the strong impact force of the gas.
[0012] 2. The self-locking component can be detachable and installed on other joints, which can directly become a pneumatic joint, making it easy to replace. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional diagram of the utility model.
[0014] Figure 2 It is a cross-sectional view of the utility model.
[0015] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle.
[0016] 10. Pneumatic joint; 11. Connecting shell; 12. Inner sleeve; 13. Push plate; 14. Push rod; 15. Hose connection port; 16. Slide groove; 17. Self-locking ball; 18. Connecting rod; 19. Extrusion ring. DETAILED DESCRIPTION
[0017] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the present invention.
[0018] As shown in Figure 1-3, a self-locking pneumatic joint includes a pneumatic joint 10, characterized in that: the pneumatic joint 10 is divided into a short section and a long section, and a self-locking component is detachably installed at the long section, and the self-locking component includes a connecting shell 11, an inner sleeve 12 and a hose connecting port 15, and the three are fixed together, and the cross-section is set in a Z shape, and a hose is sleeved on the hose connecting port 15, and a self-locking ball 17 is movably installed between the inner sleeve 12 and the hose connecting port 15, and at least two push rods 14 are slidably provided in the hose connecting port 15, and a connecting rod 18 is fixed at one end of the push rod 14, and an annular extrusion ring 19 is provided on the connecting rod 18, and a push plate 13 is fixed on the other end of the push rod 14.
[0019] The connecting shell 11 is threadedly connected to the long section of the pneumatic joint 10, the inner sleeve 12 is tightly connected to the inner wall of the pneumatic joint 10, the outer peripheral side of the hose connecting port 15 is inclined, and at least two raised rings are provided on the inclined end face of the hose connecting port 15. At least two slide grooves 16 are opened on the inner wall of the inner sleeve 12, and the self-locking ball 17 moves in the slide groove 16. The end face of the slide groove 16 away from the center line of the pneumatic joint 10 is also inclined, and its inclination angle is greater than the inclination angle of the inclined end of the hose connecting port 15. When the self-locking ball 17 moves to the raised ring closest to the self-locking ball 17, the diameter length of the self-locking ball 17 is greater than the distance from this raised ring to the bottom of the slide groove 16.
[0020] When in use, first install the self-locking assembly on the pneumatic joint 10, then directly put the hose on the hose connection port 15, and then limit the leakage through the raised ring of the hose connection port 15, and continue to put the hose inward to make it enter the self-locking ball 17, and then pull it outward. At this time, the self-locking ball 17 will be stuck in the raised ring due to the slide groove 16 set on the inclined surface, thereby limiting the hose from being separated. Then, when there is gas flow in the joint, the gas will push the push plate 13, and then the push plate 13 will drive the extrusion ring 19 away from the pneumatic joint through the push rod 14 and the connecting rod 18. 10 moves on one side of the short section, and then can abut against the other side of the self-locking ball 17, so that the self-locking ball 17 is between the extrusion ring 19 and the raised ring, thereby further strengthening its locking force, and when the gas flow rate is faster and the impact force is greater, the extrusion ring 19 abuts against the self-locking ball 17 with greater force, thereby making the locking strength higher, effectively avoiding the problem of the hose falling off due to the large impact force of the gas, and at the same time, the detachable self-locking component can be installed on other joints, which can directly become a pneumatic joint, which is convenient for its replacement.
[0021] Obviously, the described embodiments are only a part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.
Claims
1. A self-locking pneumatic joint, comprising a pneumatic joint (10), characterized in that: The pneumatic joint (10) is divided into a short section and a long section, and a self-locking component is detachably installed on the long section; The self-locking assembly comprises a connecting outer shell (11), an inner sleeve (12) and a hose connection port (15), which are fixed together and have a Z-shaped cross section. A hose is sleeved on the hose connection port (15), a self-locking ball (17) is movably installed between the inner sleeve (12) and the hose connection port (15), at least two push rods (14) are slidably arranged in the hose connection port (15), a connecting rod (18) is fixed at one end of the push rod (14), and an annular extrusion ring (19) is arranged on the connecting rod (18).
2. A self-locking pneumatic joint according to claim 1, characterized in that: The connecting shell (11) is threadedly connected to the long section of the pneumatic joint (10), the inner sleeve (12) is tightly connected to the inner wall of the pneumatic joint (10), the outer peripheral side of the hose connecting port (15) is inclined, and at least two raised rings are provided on the inclined end face of the hose connecting port (15).
3. A self-locking pneumatic joint according to claim 2, characterized in that: At least two slide grooves (16) are provided on the inner wall of the inner sleeve (12), and the self-locking ball (17) moves in the slide groove (16). The end surface of the slide groove (16) away from the center line of the pneumatic joint (10) is also inclined, and its inclination angle is greater than the inclination angle of the inclined end of the hose connection port (15).
4. A self-locking pneumatic joint according to claim 1, characterized in that: When the self-locking ball (17) moves to the protruding ring closest to the self-locking ball (17), the diameter length of the self-locking ball (17) is greater than the distance length from the protruding ring to the bottom of the sliding groove (16).
5. A self-locking pneumatic joint according to claim 1, characterized in that: A push plate (13) is fixed on the other end of the push rod (14).