Quick-connection fastener structure

Abstract

The utility model relates to the technical field of engineering elements, and provides a quick connection fastener structure which comprises a quick connection seat, a quick connector and a butt joint hole, a fixed chuck is installed at the top end of the quick connector, a conical disc is arranged in the middle of the quick connector, a movable chuck is movably installed on the outer wall of the quick connector, and the butt joint hole is formed in the movable chuck. Movable holes are symmetrically formed in the inner wall of the quick connecting seat, movable rods are symmetrically and movably mounted on the quick connecting seat through the movable holes, limiting blocks are arranged at one ends of the movable rods, connecting blocks are arranged at the ends, away from the limiting blocks, of the movable rods, and springs are mounted on the outer walls of the movable rods; and the two ends of the spring are connected with the connecting block and the movable hole correspondingly, and the problems that in the prior art, disassembly and assembly are inconvenient, and the connecting position is prone to loosening are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering components, in particular to a quick-connect fastener structure. Background Art

[0002] A quick-connect fastener structure is a device for quick connection and disconnection, commonly used in engineering, manufacturing and assembly processes to improve efficiency, simplify operations and reduce assembly time. The technical background of quick-connect fastener structures covers multiple aspects such as design optimization, material selection, safety, application areas and technological progress. These are engineering and technical research conducted to achieve more efficient assembly and maintenance processes in industry and manufacturing.

[0003] The patent specification with the announcement number CN 202195209 U discloses a quick-connect fastener structure, which includes a quick-connect seat and a quick-connect connector, wherein: the quick-connect seat is a tube with two ends transparent, and a plurality of inverted teeth are arranged on the circumference of one end of the quick-connect seat; the quick-connect connector is a tube with two ends transparent, and a first annular convex ridge is arranged on the outer circumference of the quick-connect connector; the quick-connect connector is located in the quick-connect seat, and the first annular convex ridge is located on the outer side of one end where the plurality of inverted teeth are located on the quick-connect seat. In this quick-connect structure, the quick-connect connector and the quick-connect seat are respectively fixed on the pipelines on both sides of the connection interface. Compared with the prior art, when the quick-connect structure is used to connect the pipeline, the quick-connect connector is inserted into the quick-connect seat, and the first convex ridge is passed through the inverted teeth to complete the connection. The operator does not need to have skilled work experience, the operation is convenient and simple, and the time for pipeline connection is greatly saved.

[0004] However, in the implementation of relevant technologies, it was found that the above-mentioned quick-connect fastener structure has the following problems: the device inserts the quick-connect connector into the quick-connect seat through reverse teeth, and the reverse teeth are inconvenient to disassemble and assemble, and are easily worn. At the same time, after connection, the connection is easy to loosen. For this reason, we proposed a quick-connect fastener structure. Utility Model Content

[0005] The utility model provides a quick-connect fastener structure, which solves the problems of inconvenient assembly and disassembly and easy loosening of the connection in the related art.

[0006] The technical solution of the utility model is as follows:

[0007] A quick-connect fastener structure includes a quick-connect seat, a quick connector and a docking hole, a fixed chuck is installed on the top of the quick connector, a conical disk is arranged in the middle of the quick connector, a movable chuck is movably installed on the outer wall of the quick connector, movable holes are symmetrically arranged on the inner wall of the quick-connect seat, a movable rod is symmetrically movably installed on the quick-connect seat through the movable hole, a limiting block is arranged at one end of the movable rod, a connecting block is arranged at the end of the movable rod away from the limiting block, a spring is installed on the outer wall of the movable rod, and both ends of the spring are respectively connected to the connecting block and the movable hole.

[0008] Preferably, the outer wall of the quick-connect seat is symmetrically provided with sliding grooves, and the quick-connect seat is movably mounted with a fixing ring through the sliding grooves.

[0009] Preferably, the inner wall of the fixing ring is symmetrically provided with sliding blocks, the sliding blocks are cylindrical, and the sliding blocks and the sliding grooves match each other.

[0010] Preferably, the fixing ring is an annular structure, and the inner diameter of the fixing ring is the same as the outer diameter of the quick-connect seat.

[0011] Preferably, the inner wall of the fixing ring is symmetrically provided with limiting grooves, and the limiting grooves and the limiting blocks fit with each other.

[0012] Preferably, the movable chuck and the fixed chuck are both of conical structure, and the movable chuck and the fixed chuck fit with the inner wall of the quick-connect seat.

[0013] Preferably, the connection block and the movable hole match each other, and the cross section of the connection block is triangular.

[0014] Preferably, the slide groove is in the shape of a horizontal groove, and the bottom end of the slide groove and the limit block are located on the same horizontal line.

[0015] The working principle and beneficial effects of the utility model are:

[0016] The utility model discloses a quick-connect seat, a quick joint and a movable chuck, the movable chuck is slid so that there is a spacing between the movable chuck and the fixed chuck, the quick joint is aligned with the docking hole arranged at the bottom of the quick-connect seat and inserted into it, so that the fixed chuck touches the connecting block, and the chamfered surface of the connecting block is used to compress the spring to move into the movable hole when it is touched by the fixed chuck, and when the connecting block moves to the side of the spacing, the elastic force generated by the deformation of the spring causes the connecting block to reset and clamp in the spacing between the movable chuck and the fixed chuck to complete the connection with the quick-connect seat, and the fixed ring is slid, and the sliding groove and the slider are used to limit the fixed ring, so that the fixed ring slides to the bottom of the sliding groove, so that the limiting groove arranged on the inner wall of the fixed ring is sleeved on the outer wall of the limiting block, and the limiting block is fixed to prevent the quick-connect seat and the quick joint connection from loosening. The structure is convenient for operation, easy to connect, and not easy to loosen.

[0017] In the utility model, by providing a fixing ring, a limiting groove and a limiting block, the fixing ring is slid to make the limiting groove leave the limiting block, the quick connector is pressed into the docking hole, the connecting block is compressed and when it moves to the point where a conical disk is provided on the outer wall of the quick connector, the quick connector is pulled outward to make the movable clamping disk slide on the outer wall of the quick connector and fit with the fixed clamping disk, the connecting block is compressed to make it retract into the movable hole, and the quick connector is pulled out. This structure is convenient for disassembly and assembly and is simple to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 This is a schematic diagram of the main structure of the device proposed by the utility model;

[0020] Figure 2 A schematic diagram of a half-section structure of the quick-connect seat proposed in the utility model;

[0021] Figure 3 This is a schematic diagram of the fixing ring structure proposed by the utility model;

[0022] Figure 4 This is a schematic diagram of the connection block structure proposed by the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the movable chuck proposed by the utility model.

[0024] In the figure: 1. quick connector; 2. quick connector; 3. slide groove; 4. fixing ring; 5. docking hole; 6. slider; 7. limit groove; 8. limit block; 9. movable chuck; 10. movable rod; 11. spring; 12. connecting block; 13. movable hole; 14. fixed chuck; 15. conical disc. DETAILED DESCRIPTION

[0025] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1: Figure 1~Figure 5As shown, the present embodiment proposes a quick-connect fastener structure, including a quick-connect seat 1, a quick connector 2 and a docking hole 5, a fixed chuck 14 is installed at the top of the quick connector 2, a conical disk 15 is arranged at the middle position of the quick connector 2, a movable chuck 9 is movably installed on the outer wall of the quick connector 2, movable holes 13 are symmetrically arranged on the inner wall of the quick-connect seat 1, a movable rod 10 is symmetrically movably installed on the quick-connect seat 1 through the movable hole 13, a limiting block 8 is arranged at one end of the movable rod 10, a connecting block 12 is arranged at the end of the movable rod 10 away from the limiting block 8, a spring 11 is installed on the outer wall of the movable rod 10, and both ends of the spring 11 are respectively connected to the connecting block 12 and the movable hole 13.

[0027] In this embodiment, the outer wall of the quick-connect seat 1 is symmetrically provided with sliding grooves 3 , and the quick-connect seat 1 is movably mounted with a fixing ring 4 through the sliding grooves 3 .

[0028] In this embodiment, the inner wall of the fixing ring 4 is symmetrically provided with sliding blocks 6 , which are cylindrical in shape, and the sliding blocks 6 match the sliding grooves 3 .

[0029] In this embodiment, the fixing ring 4 is annular in structure, and the inner diameter of the fixing ring 4 is the same as the outer diameter of the quick-connect seat 1 .

[0030] Specific as Figure 1 , Figure 2 and Figure 4 As shown, when using this structure, slide the movable chuck 9 so that there is a gap between the movable chuck 9 and the fixed chuck 14, align the quick connector 2 with the docking hole 5 set at the bottom of the quick connector 1 and insert it, so that the fixed chuck 14 touches the connecting block 12, and utilizes the chamfered surface of the connecting block 12 to compress the spring 11 to move into the movable hole 13 when it is touched by the fixed chuck 14, and when the connecting block 12 moves to the side of the gap, the elastic force generated by the deformation of the spring 11 causes the connecting block 12 to reset and clamp it in the gap between the movable chuck 9 and the fixed chuck 14 to complete the connection with the quick connector 1, slide the fixing ring 4, and use the sliding groove 3 and the slider 6 to limit the fixing ring 4, so that the fixing ring 4 slides to the bottom of the sliding groove 3, so that the limiting groove 7 set on the inner wall of the fixing ring 4 is sleeved on the outer wall of the limiting block 8, and the limiting block 8 is fixed to prevent the quick connector 2 of the quick connector 1 from being loosened. This structure is convenient to operate, easy to connect, and not easy to loosen.

[0031] Embodiment 2: The inner wall of the fixing ring 4 is symmetrically provided with limiting grooves 7 , and the limiting grooves 7 and the limiting blocks 8 fit with each other.

[0032] In this embodiment, both the movable chuck 9 and the fixed chuck 14 are of a conical structure, and the movable chuck 9 and the fixed chuck 14 fit with the inner wall of the quick-connect seat 1 .

[0033] In this embodiment, the connection block 12 and the movable hole 13 match each other, and the cross section of the connection block 12 is triangular.

[0034] In this embodiment, the slide groove 3 is in the shape of a horizontal groove, and the bottom end of the slide groove 3 and the limit block 8 are located on the same horizontal line.

[0035] Specific as Figure 1 , Figure 3 and Figure 5 As shown, when using this structure, the sliding fixing ring 4 makes the limiting groove 7 leave the limiting block 8, and the quick connector 2 is pressed into the docking hole 5 to compress the connecting block 12. When it moves to the outer wall of the quick connector 2 and the conical disk 15 is provided, the quick connector 2 is pulled outward to make the movable clamping disk 9 slide on the outer wall of the quick connector 2 and fit with the fixed clamping disk 14, and then the connecting block 12 is compressed to make it retract into the movable hole 13, and the quick connector 2 is pulled out. This structure is convenient for disassembly and assembly and simple to operate.

[0036] Working principle: When in use, slide the movable chuck 9 to make a gap between the movable chuck 9 and the fixed chuck 14, align the quick connector 2 with the docking hole 5 set at the bottom of the quick connector 1 and insert it, so that the fixed chuck 14 touches the connecting block 12, and use the chamfered surface of the connecting block 12 to compress the spring 11 to move into the movable hole 13 when it is touched by the fixed chuck 14, and wait for the connecting block 12 to move to the side of the gap, and the elastic force generated by the deformation of the spring 11 makes the connecting block 12 reset and clamped in the gap between the movable chuck 9 and the fixed chuck 14 to complete the connection with the quick connector 1, slide the fixing ring 4, and use the slide groove 3 and the slider 6 to limit the fixing ring 4, so that the fixing ring 4 slides to the bottom of the slide groove 3, so that the fixing The limiting groove 7 provided on the inner wall of the ring 4 is sleeved on the outer wall of the limiting block 8 to fix the limiting block 8 to prevent the quick connector 1 and the quick connector 2 from being loosened. When the quick connector 1 and the quick connector 2 need to be disassembled, the fixing ring 4 is slid to make the limiting groove 7 leave the limiting block 8, and the quick connector 2 is pressed into the docking hole 5 to compress the connecting block 12. When it moves to the point where the conical disk 15 is provided on the outer wall of the quick connector 2, the quick connector 2 is pulled outward to make the movable clamping disk 9 slide on the outer wall of the quick connector 2 and fit with the fixed clamping disk 14, and then the connecting block 12 is compressed to make it retract into the movable hole 13, and the quick connector 2 is pulled out. This structure is not only convenient for disassembly and assembly, but also can prevent the quick connector 1 and the quick connector 2 from loosening after connection, making the connection tighter.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A quick-connect fastener structure, comprising a quick-connect seat (1), a quick connector (2) and a docking hole (5), characterized in that: A fixed chuck (14) is installed at the top of the quick connector (2), a conical disk (15) is provided at the middle position of the quick connector (2), a movable chuck (9) is movably installed on the outer wall of the quick connector (2), movable holes (13) are symmetrically provided on the inner wall of the quick connector seat (1), and a movable rod (10) is symmetrically movably installed on the quick connector seat (1) through the movable holes (13), a limit block (8) is provided at one end of the movable rod (10), and a connecting block (12) is provided at the end of the movable rod (10) away from the limit block (8), and a spring (11) is installed on the outer wall of the movable rod (10), and the two ends of the spring (11) are respectively connected to the connecting block (12) and the movable hole (13).

2. A quick-connect fastener structure according to claim 1, characterized in that: The outer wall of the quick-connect seat (1) is symmetrically provided with sliding grooves (3), and the quick-connect seat (1) is movably mounted with a fixing ring (4) through the sliding grooves (3).

3. A quick-connect fastener structure according to claim 2, characterized in that: The inner wall of the fixing ring (4) is symmetrically provided with sliding blocks (6), the sliding blocks (6) are cylindrical, and the sliding blocks (6) match the sliding grooves (3).

4. A quick-connect fastener structure according to claim 2, characterized in that: The fixing ring (4) is an annular structure, and the inner diameter of the fixing ring (4) is the same as the outer diameter of the quick-connect seat (1).

5. A quick-connect fastener structure according to claim 3, characterized in that: The inner wall of the fixing ring (4) is symmetrically provided with limiting grooves (7), and the limiting grooves (7) and the limiting blocks (8) fit together.

6. A quick-connect fastener structure according to claim 1, characterized in that: The movable chuck (9) and the fixed chuck (14) are both of conical structure, and the movable chuck (9) and the fixed chuck (14) fit in with the inner wall of the quick-connect seat (1).

7. A quick-connect fastener structure according to claim 1, characterized in that: The connection block (12) and the movable hole (13) match each other, and the cross section of the connection block (12) is triangular.

8. A quick-connect fastener structure according to claim 2, characterized in that: The slide groove (3) is in the shape of a horizontal groove, and the bottom end of the slide groove (3) and the limit block (8) are located on the same horizontal line.

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