A quick-connect connector for pagoda connectors
By designing a quick joint including an outer shell, restraint sleeve, flow-guided limit ring, adaptive spring seal structure and shrink ring, the connection instability caused by the difference in size of the pagoda joint is solved, and the effect of automatic locking and easy disassembly is achieved, while reducing the impact on the flow and pressure in the pipeline.
Patent Information
- Application Number
- CN202421493374.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-27
AI Technical Summary
The existing pagoda joint connection technology is difficult to adapt to the differences in the size of pagoda joints of the same specification, resulting in unstable connections, especially when pipeline pressure is high.
A quick joint joint including an outer shell, a restraint sleeve, a flow-guiding limit ring, an adaptive spring sealing structure and a shrinking ring were designed. Through technical means such as an adaptive spring sealing structure and a flow-guiding limit ring, adaptive and stable connections to different pagoda joint sizes are achieved.
Automatic locking of pagoda joints and quick joints is achieved, avoiding the problem of joints falling off, and no external tools are required during disassembly and assembly, making installation easier and more labor-saving. At the same time, the adaptive spring seal structure and the flow limit ring reduce the impact on the flow rate and pressure in the pipeline.
Smart Images

Figure CN222717735U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pagoda joint connection, in particular to a quick-connect joint used for a pagoda joint. Background Art
[0002] At present, most of the pagoda joints are connected to the pipeline using the following two methods:
[0003] 1. The pagoda connector is directly inserted into a suitable hose with a smaller inner diameter, and the hose and the pagoda connector are connected by the elasticity of the hose itself. This is suitable for situations where the pipeline pressure is relatively low.
[0004] 2. Insert the appropriate hose into the pagoda connector, then put on the clamp, and rely on the pre-tightening force of the clamp to tighten the connection between the hose and the pagoda connector. This is suitable for situations where the pipeline pressure is higher.
[0005] Due to the particularity of the pagoda joint itself, the connection dimensions of the pagoda joints of the same specification on the market are different. It is necessary to design a sealing mechanism to adapt to the size differences of the pagoda joints of the same specification and enhance the versatility of the quick connect joint.
[0006] For this reason, a quick-connect joint for a pagoda joint is proposed. Utility Model Content
[0007] In order to solve the problems existing in the prior art, the utility model provides a quick-connect joint for a pagoda joint.
[0008] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:
[0009] A quick-connect connector for a pagoda joint comprises a quick-connect connector and a pagoda joint, wherein the quick-connect connector comprises an outer shell, a restraining sleeve, a flow guide limiting ring, an adaptive spring sealing structure and a reducing ring, wherein the restraining sleeve is provided with a second mounting groove, wherein a spring is arranged inside the second mounting groove, wherein the outer shell is provided with a plurality of limiting grooves distributed in a circumference, wherein steel balls are slidably arranged in the limiting grooves, wherein the outer shell is provided with a first mounting groove, wherein a retaining spring is arranged inside the first mounting groove, wherein a yielding groove matched with the retaining spring is provided on the restraining sleeve, wherein a third mounting groove is provided inside the outer shell, wherein the adaptive spring sealing structure comprises a wave spring, a push ring and an O-ring arranged inside the third mounting groove.
[0010] Furthermore, the restraint sleeve is slidably sleeved on the outer side of the outer shell, and the outer shell is threadedly sleeved on the outer side of the reducing ring.
[0011] Furthermore, the pagoda joint is provided with a plurality of joint step grooves adapted to the steel balls.
[0012] Furthermore, the guide limit ring is arranged inside the third mounting groove, the guide limit ring is fixedly connected to the reducing ring, the wave spring is sleeved on the guide limit ring, the push ring is connected to the wave spring and is slidably arranged on the outside of the guide limit ring, and the O-ring is connected to the push ring.
[0013] Furthermore, a conical through hole is provided on the flow guide limiting ring.
[0014] Furthermore, the spring is sleeved on the outer shell.
[0015] The beneficial effects of the utility model are as follows:
[0016] 1. The connector of the utility model is purely mechanical, without external electrical equipment, so it is more convenient to use. At the same time, the connectors have a self-locking structure. After the connectors are connected, the pagoda connector and the quick connector can be automatically locked to avoid the problem of the connector falling off during use. At the same time, during the disassembly and assembly process, no external clamps or other tools are required, and the installation is relatively easy and labor-saving.
[0017] 2. The adaptive elastic sealing structure enables the quick connector to adapt to the pagoda connectors of different suppliers. At the same time, the flow guide limit sleeve reduces the impact of the quick connector on the flow and pressure in the pipeline, and can also limit the connection insertion depth of the pagoda connector and the quick connector. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the connection between the quick-connect connector and the pagoda connector of the utility model;
[0019] Figure 2 This is a schematic diagram of the separate structure of the quick-connect joint and the pagoda joint of the utility model;
[0020] Figure 3 It is a cross-sectional view of the connection between the quick-connect connector and the pagoda connector of the utility model;
[0021] Figure 4 It is an exploded view of the connection between the quick-connect connector and the pagoda connector of the utility model.
[0022] Figure numerals: 1. quick-connect connector; 2. pagoda connector; 201. connector stepped groove; 3. outer shell; 4. restraint sleeve; 401. first mounting groove; 402. retaining ring; 5. second mounting groove; 6. spring; 7. limit groove; 8. steel ball; 9. clearance groove; 10. third mounting groove; 11. adaptive spring sealing structure; 111. wave spring; 112. push ring; 113. O-ring; 12. guide limit ring; 13. reducing ring. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0024] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0025] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.
[0026] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0027] like Figure 1-4As shown, a quick connector for a pagoda joint comprises a quick connector 1 and a pagoda joint 2, the quick connector 1 comprises an outer shell 3, a restraining sleeve 4, a flow guide limiting ring 12, an adaptive spring sealing structure 11 and a reducing ring 13, a second mounting groove 5 is provided on the restraining sleeve 4, a spring 6 is arranged inside the second mounting groove 5, a plurality of limiting grooves 7 distributed in a circumference are provided on the outer shell 3, a steel ball 8 is slidably arranged in the limiting groove 7, a first mounting groove 401 is provided on the outer shell 3, a retaining spring 402 is arranged inside the first mounting groove 401, a yielding groove 9 adapted to the retaining spring 402 is provided on the restraining sleeve 4, a third mounting groove 10 is provided inside the outer shell 3, the adaptive spring sealing structure 11 comprises a wave spring 111, a push ring 112 and an O-ring 113 arranged inside the third mounting groove 10; specifically, when the pagoda joint 2 is connected to the quick connector 2, firstly The restraining sleeve 4 is pressed and slid toward the side away from the pagoda joint 2, so that the giving way groove 9 can be moved to the position of the limiting groove 7, thereby eliminating the squeezing of the steel ball 8, and then the pagoda joint 2 is inserted into the third installation groove 10 until it reaches the guide limiting ring 12, and then the restraining sleeve 4 is released. Under the action of the spring 6, the restraining sleeve 4 returns to the position of the retaining spring 402, and the giving way groove 9 can be stuck on one side of the retaining spring 402. At this time, the restraining sleeve 4 can squeeze the steel ball 8, so that the steel ball 8 is stuck in the joint step groove 201 position of the pagoda joint 2, thereby completing the connection between the quick connector 1 and the pagoda joint 2. Therefore, during use, as long as the restraining sleeve 4 is not slid, the quick connector 1 and the pagoda joint 2 can be tightly connected, and the joint will not fall off during use. At the same time, during the disassembly and assembly process, there is no need to use external clamps and other tools, and the installation is relatively easy and labor-saving.
[0028] like Figure 3 As shown, the restraint sleeve 4 is slidably sleeved on the outside of the outer shell 3, and the outer shell 3 is threadedly sleeved on the outside of the reducing ring 13; specifically, the reducing ring 13 is installed by means of threads, and the internal O-ring 113 may be damaged after long-term use. In this case, it is only necessary to remove the reducing ring 13 to replace the damaged internal O-ring 113, which is more convenient to use.
[0029] like Figure 4 As shown, the pagoda joint 2 is provided with a plurality of joint step grooves 201 adapted to the steel balls 8; specifically, when the pagoda joint 2 is connected, the steel balls 8 can be snapped into the joint step grooves 201, and the snapping is more stable.
[0030] like Figure 3As shown, the guide limit ring 12 is arranged inside the third mounting groove 10, the guide limit ring 12 is fixedly connected to the reducing ring 13, the wave spring 111 is sleeved on the guide limit ring 12, the push ring 112 is connected to the wave spring 111, and it is slidably arranged on the outside of the guide limit ring 12, and the O-ring 113 is connected to the push ring 112; specifically, the adaptive spring sealing structure 11 allows the sealing position to move within 1 mm in the axial direction to adapt to the change in the length of the conical head of the pagoda joint 2, and at the same time, the specially designed wave spring 111 is used to provide a sufficiently large sealing preload in a small space to ensure the reliability of the sealing structure.
[0031] like Figure 3 As shown, a conical through hole is provided on the flow guide limit ring 12; specifically, the flow guide limit ring 12 limits the insertion depth of the pagoda joint 2, and the special conical through hole design reduces the influence of the change of the internal flow area of the joint on the flow rate and pressure.
[0032] like Figure 3 As shown, the spring 6 is sleeved on the outer shell 3; specifically, the spring 6 can be clamped on the outer shell 3 and the restraint sleeve 4, and can limit the restraint sleeve 4.
[0033] In summary: when connecting the pagoda connector 2 with the quick-connect connector 2, first press and slide the restraining sleeve 4 to the side away from the pagoda connector 2, so that the giving way groove 9 can be moved to the position of the limiting groove 7, thereby canceling the squeezing of the steel ball 8, and then insert the pagoda connector 2 into the third installation groove 10 until it reaches the guide limit ring 12, and then release the restraining sleeve 4. Under the action of the spring 6, the restraining sleeve 4 returns to the position of the retaining spring 402, and the giving way groove 9 can be stuck on one side of the retaining spring 402. At this time, the restraining sleeve 4 can squeeze the steel ball 8, so that the steel ball 8 is stuck in the position of the joint step groove 201 of the pagoda connector 2, thereby completing the connection between the quick-connect connector 1 and the pagoda connector 2. Therefore, during use, as long as the restraining sleeve 4 is not slid, the quick-connect connector 1 and the pagoda connector 2 can be tightly connected, and the problem of the joint falling off will not occur during use. At the same time, during the disassembly and assembly process, there is no need to use external clamps and other tools, and the installation is relatively easy and labor-saving.
[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A quick-connect connector for a pagoda connector, comprising a quick-connect connector (1) and a pagoda connector (2), characterized in that: The quick-connect connector (1) comprises an outer shell (3), a restraining sleeve (4), a flow guide limit ring (12), an adaptive spring sealing structure (11) and a reducing ring (13); the restraining sleeve (4) is provided with a second mounting groove (5), a spring (6) is arranged inside the second mounting groove (5); the outer shell (3) is provided with a plurality of limit grooves (7) distributed in a circumferential manner, a steel ball (8) is slidably arranged inside the limit groove (7); the outer shell (3) is provided with a first mounting groove (401), a retaining spring (402) is arranged inside the first mounting groove (401); the restraining sleeve (4) is provided with a clearance groove (9) adapted to the retaining spring (402); the outer shell (3) is provided with a third mounting groove (10), and the adaptive spring sealing structure (11) comprises a wave spring (111), a push ring (112) and an O-ring (113) arranged inside the third mounting groove (10).
2. A quick-connect connector for a pagoda connector according to claim 1, characterized in that: The restraint sleeve (4) is slidably sleeved on the outside of the outer shell (3), and the outer shell (3) is threadedly sleeved on the outside of the reducing ring (13).
3. A quick-connect connector for a pagoda connector according to claim 1, characterized in that: The pagoda joint (2) is provided with a plurality of joint step grooves (201) adapted to the steel balls (8).
4. A quick-connect connector for a pagoda connector according to claim 1, characterized in that: The flow guide limit ring (12) is arranged inside the third installation groove (10), the flow guide limit ring (12) is fixedly connected to the reducing ring (13), the wave spring (111) is sleeved on the flow guide limit ring (12), the push ring (112) is connected to the wave spring (111) and is slidably arranged on the outside of the flow guide limit ring (12), and the O-ring (113) is connected to the push ring (112).
5. A quick-connect connector for a pagoda connector according to claim 1, characterized in that: The flow guide limiting ring (12) is provided with a tapered through hole.
6. A quick-connect connector for a pagoda connector according to claim 1, characterized in that: The spring (6) is sleeved on the outer shell (3).