Screw and thread sleeve convenient to disassemble

Abstract

The utility model provides a screw and thread sleeve convenient to disassemble, and belongs to the field of screw and thread sleeves. The problems that a thread sleeve and a screw rod are repeatedly matched through threads, the threads are possibly damaged after a long time, the matching between the thread sleeve and the screw rod is influenced, even the situation that the screw rod and the thread sleeve are blocked and the screw rod cannot be screwed out is caused, and the screw rod and the thread sleeve are inconvenient to replace are solved. The screw comprises a screw rod provided with external threads and a screw sleeve provided with internal threads, the screw rod is provided with a limiting plate used for being mutually limited with the screw sleeve, the screw sleeve is formed by buckling a first screw sleeve part and a second screw sleeve part which are detachable, the first matching part is provided with a first buckling part and a first clamping groove part, and the first buckling part is provided with a second buckling part and a second clamping groove part. A second clamping groove part matched with the first buckling part and a second buckling part matched with the first clamping groove part are arranged on the second matching part, mounting grooves are formed in the first buckling part and the second buckling part, and fixing parts used for reinforcing the structure are arranged on the mounting grooves.

Description

Technical Field

[0001] This utility model belongs to the field of screw sleeves, and specifically relates to a screw sleeve that is easy to disassemble. Background Technology

[0002] The function of the threaded sleeve and screw is to be assembled in the piston, and to drive the piston forward and backward through the transmission of the motor. The threaded sleeve and screw will repeatedly engage through the threaded contact. Over time, the threads may be damaged, affecting the fit between the threaded sleeve and screw. In some cases, the screw and threaded sleeve may even become stuck and the screw cannot be unscrewed, making it inconvenient to replace the screw and threaded sleeve. Summary of the Invention

[0003] The purpose of this invention is to address the aforementioned problems in the existing technology by providing a screw sleeve that is easy to disassemble.

[0004] The purpose of this utility model can be achieved through the following technical solution: a screw and sleeve that are easy to disassemble, comprising a screw with external threads and a sleeve with internal threads, characterized in that the screw is provided with a limiting plate for mutually limiting the movement of the screw and the sleeve;

[0005] The threaded sleeve is formed by the interlocking of a detachable threaded sleeve part one and a threaded sleeve part two. The threaded sleeve part one is provided with a mating part one integrally formed with the threaded sleeve part one, and the threaded sleeve part two is provided with a mating part two integrally formed with the threaded sleeve part two.

[0006] The first mating part is provided with a first snap-fit ​​part and a first slot part, and the second mating part is provided with a second slot part that mates with the first snap-fit ​​part and a second snap-fit ​​part that mates with the first slot part.

[0007] The first and second buckle parts are provided with mounting grooves inside, and the mounting grooves are provided with fixing parts for reinforcing the structure.

[0008] In the aforementioned easily disassembled screw sleeve, a connecting plate 1 and a connecting plate 2 are provided on the middle of the first and second snap-fit ​​parts to increase the contact area.

[0009] In the aforementioned easily disassembled screw sleeve, the fixing part is located on the outside of the first and second snap-fit ​​parts.

[0010] In the aforementioned easy-to-disassemble screw sleeve, the number of latching parts on the mating part is two, and the two latching parts are symmetrically arranged on one side of the fixing part.

[0011] In the aforementioned screw sleeve that is easy to disassemble, there are two snap-fit ​​parts on the mating part two, and the two snap-fit ​​parts one are symmetrically arranged in the direction of the connecting plate.

[0012] In the aforementioned easily disassembled screw sleeve, the first snap-fit ​​part and the second snap-fit ​​part are positioned opposite each other, and the second snap-fit ​​part and the first snap-fit ​​part are positioned opposite each other.

[0013] In the aforementioned easily disassembled screw sleeve, the fixing part has a closed-loop structure.

[0014] In the aforementioned screw sleeve that is easy to disassemble, the first and second sleeve portions are further provided with a protrusion and a groove, and a groove and a protrusion.

[0015] Compared with existing technologies, this easy-to-disassemble screw and sleeve can be disassembled by splitting the screw, avoiding the problem of the screw and sleeve getting stuck due to thread damage and thus being unable to be disassembled. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main body of this easily disassembled screw and sleeve;

[0017] Figure 2 This is a sectional view of one side of the threaded sleeve.

[0018] Figure 3 This is a sectional view of one side of the threaded sleeve.

[0019] In the diagram, 1. Screw; 2. Limiting plate; 3. Screw sleeve part one; 4. Screw sleeve part two; 5. Mating part one; 6. Mating part two; 7. Snap-on part one; 8. Snap-on groove part one; 9. Snap-on groove part two; 10. Snap-on part two; 11. Mounting groove; 12. Fixing part; 13. Connecting plate one; 14. Connecting plate two; 15. Protrusion one; 16. Groove two; 17. Groove one; 18. Protrusion two. Detailed Implementation

[0020] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0021] like Figure 1 , Figure 2 , Figure 3 As shown, the screw 1 and screw sleeve that are easy to disassemble include a screw 1 with external threads and a screw sleeve with internal threads. A limiting plate 2 is provided on the screw 1 for limiting the movement of the screw sleeve.

[0022] The screw sleeve is formed by the interlocking of a detachable screw sleeve part 3 and a screw sleeve part 4. The screw sleeve part 3 is provided with a mating part 5 integrally formed with the screw sleeve part 3, and the screw sleeve part 4 is provided with a mating part 6 integrally formed with the screw sleeve part 4.

[0023] The first mating part 5 is provided with a first snap-fit ​​part 7 and a first snap-fit ​​part 8, and the second mating part 6 is provided with a second snap-fit ​​part 9 that mates with the first snap-fit ​​part 7 and a second snap-fit ​​part 10 that mates with the first snap-fit ​​part 8.

[0024] The first buckle part 7 and the second buckle part 10 are provided with mounting grooves 11, and the mounting grooves 11 are provided with fixing parts 12 for reinforcing the structure.

[0025] Both the first buckle part 7 and the second buckle part 10 are provided with connecting plates 13 and 14 to increase the contact area. The connecting plates 13 and 14 are used to increase the lateral strength.

[0026] Installation is achieved by the interlocking of the first buckle part 7 and the second buckle part 9, and the interlocking of the second buckle part 10 and the first buckle part 8, and disassembly is achieved by the interlocking of the two parts.

[0027] Preferably, one side of the fixing part 12 is located outside the first snap-fit ​​part 7 and the second snap-fit ​​part 10 to enhance the longitudinal strength of the first snap-fit ​​part 7 and the second snap-fit ​​part 10.

[0028] Preferably, the number of latching parts 7 on the mating part 1 5 is two, and the two latching parts 7 are symmetrically arranged on one side of the fixing part 12. The number of latching parts 10 on the mating part 2 6 is two, and the two latching parts 7 are symmetrically arranged on the side of the connecting plate 13.

[0029] Preferably, the first buckle part 7 and the second buckle part 9 are positioned opposite each other, and the second buckle part 10 and the first buckle part 8 are positioned opposite each other, so that the first buckle part 7 and the second buckle part 9 can cooperate with each other, and the second buckle part 10 and the first buckle part 8 can cooperate with each other.

[0030] Preferably, the fixing part 12 has a closed-loop structure, which increases the overall strength of the fixing part 12.

[0031] Preferably, the first threaded sleeve portion 3 and the second threaded sleeve portion 4 are further provided with a protrusion 15 and a groove 16 that engage with each other, and the groove 17 and the protrusion 18 that engage with each other, so that the first threaded sleeve portion 3 and the second threaded sleeve portion 4 engage with each other.

[0032] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0033] Although this document frequently uses terms such as screw 1, limiting plate 2, screw sleeve part one 3, screw sleeve part two 4, mating part one 5, mating part two 6, snap-fit ​​part one 7, slot part one 8, slot part two 9, snap-fit ​​part two 10, mounting groove 11, fixing part 12, connecting plate one 13, connecting plate two 14, protrusion one 15, groove two 16, groove one 17, and protrusion two 18, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any kind of additional limitation would contradict the spirit of this utility model.

Claims

1. A screw (1) sleeve that is easy to disassemble, comprising a screw (1) with external threads and a sleeve with internal threads, characterized in that, The screw (1) is provided with a limiting plate (2) for mutually limiting the screw sleeve; The screw sleeve is formed by the interlocking of a detachable screw sleeve part one (3) and a screw sleeve part two (4). The screw sleeve part one (3) is provided with a mating part one (5) integrally formed with the screw sleeve part one (3), and the screw sleeve part two (4) is provided with a mating part two (6) integrally formed with the screw sleeve part two (4). The first mating part (5) is provided with a first snap fastener (7) and a first slot (8), and the second mating part (6) is provided with a second slot (9) that mates with the first snap fastener (7) and a second snap fastener (10) that mates with the first slot (8). The first snap-fit ​​part (7) and the second snap-fit ​​part (10) are provided with mounting grooves (11), and the mounting grooves (11) are provided with fixing parts (12) for strengthening the structure.

2. The easily disassembled screw (1) sleeve according to claim 1, characterized in that, The first (7) and the second (10) of the buckle are provided with a connecting plate 1 (13) and a connecting plate 2 (14) to increase the contact area.

3. The screw (1) sleeve for easy disassembly according to claim 1, characterized in that, The fixing part (12) is located on one side outside the first snap fastener (7) and the second snap fastener (10).

4. The easily disassembled screw (1) sleeve according to claim 1, characterized in that, The number of latching parts (7) on the mating part (5) is two, and the two latching parts (7) are symmetrically arranged on one side of the fixing part (12).

5. A screw (1) sleeve for easy disassembly according to claim 1, characterized in that, The number of latching parts 2 (10) on the mating part 2 (6) is two, and the two latching parts 1 (7) are symmetrically arranged in the direction of the connecting plate 1 (13).

6. A screw (1) sleeve for easy disassembly according to claim 1, characterized in that, The first buckle part (7) is positioned opposite to the second buckle part (9), and the second buckle part (10) is positioned opposite to the first buckle part (8).

7. A screw (1) sleeve for easy disassembly according to claim 1, characterized in that, The fixing part (12) has a closed-loop structure.

8. A screw (1) sleeve for easy disassembly according to claim 1, characterized in that, The threaded sleeve part one (3) and the threaded sleeve part two (4) are also provided with a protrusion part one (15) and a groove part two (16), and a groove part one (17) and a protrusion part two (18) that engage with each other.

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