Plunger with external threads
By setting up a support plate and a slide chute on the inner wall of the plunger, the clamp ring clamps the spring, and the slider moves up and down in the slide chute, the tilt expansion problem caused by the lack of support of the spring in the prior art is solved, and more stable and Durable plunger design.
Patent Information
- Application Number
- CN202421070246.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-05-16
AI Technical Summary
When used, the existing plunger with external threads lacks support, causing the spring to tilt and retract, causing friction, causing wear in the inner cavity and the outer surface of the spring.
A plunger with external thread is designed. By setting up a support plate and a slide groove on the inner wall of the inner cavity, the clamp ring clamps the outer surface of the spring, and the slider moves up and down in the slide groove, and the spring is supported by the clamp ring to avoid tilt expansion and contraction.
It effectively avoids the tilt expansion and contraction of the spring inside the plunger, reduces friction, and extends the service life of the plunger and spring.
Smart Images
Figure CN222436788U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plungers, in particular to a plunger with external threads. Background Art
[0002] The ball plunger is also called a spring plunger or a positioning bead / column. It is a product that installs a spring inside the thread to set the pre-pressure of the beads and pins inside, and moves up and down. It is suitable for mechanical devices, fixtures, molds, automated machinery, etc. The ball plunger is a component that can provide pressure and accurate positioning. There are various fixing methods, including press-in type and thread locking type. The thread has two locking methods: one-slot and hexagon socket. The press-in type has two shells: stainless steel and plastic
[0003] However, it still has the following disadvantages in actual use:
[0004] When the existing plunger with external threads is actually used, the interior of the plunger itself has a spring structure, but the periphery of the spring structure does not have any supporting structure. When in use, after the ball presses the spring, the spring will expand and contract in an inclined state inside the plunger, causing the spring to contact and generate friction with the inner wall of the plunger. After long-term use, the inner cavity of the plunger and the outer surface of the spring will show varying degrees of wear. Utility Model Content
[0005] The purpose of the utility model is to provide a plunger with an external thread to solve the problem raised in the above-mentioned background technology that, when the existing plunger with an external thread is actually used, the interior of the plunger itself has a spring structure, and the periphery of the spring structure does not have any supporting structure. When in use, after the ball presses the spring, the spring will expand and contract in an inclined state inside the plunger, causing the spring to contact and generate friction with the inner wall of the plunger. After long-term use, the inner cavity of the plunger and the outer surface of the spring will show different degrees of wear.
[0006] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
[0007] The utility model is a plunger with external threads, comprising:
[0008] A body component, the body component comprising a plunger seat and a plunger body;
[0009] A supporting component, the supporting component comprising a supporting seat, an inner cavity, a supporting plate, a sliding groove, a sliding block, a clamping ring and a spring;
[0010] An inner cavity is opened inside the plunger body, and support plates are symmetrically connected to the middle of both sides of the inner wall of the inner cavity, and a slide groove is opened in the middle of the outer side of the support plate. A spring is installed inside the inner cavity, and clamping rings are connected to both sides of the outer surface of the spring. The outer end of the clamping ring is fixedly connected to a slider, and the slider is movably connected to the inside of the slide groove.
[0011] Furthermore, the clamp ring is in an arc shape and is evenly distributed.
[0012] Furthermore, the support seat is connected to the middle of the inner cavity, and the spring is connected to the top of the support seat.
[0013] Furthermore, the body component also includes a plunger seat, a ball and an external thread;
[0014] The outer surface of the plunger body is wound with an external thread, and a ball is rollingly connected to the middle part of the top end of the plunger body, and the plunger seat is connected to the bottom of the plunger body.
[0015] Furthermore, it also includes a limiting component, which includes a fixed plug plate, a docking column, a docking groove and a fixed slot;
[0016] A docking groove is arranged in the middle of the top end of the plunger seat, and a docking column is fixedly connected to the middle of the bottom end of the support seat, and the docking column is connected to the inside of the docking groove by insertion.
[0017] Furthermore, the front and rear ends of the outer wall of the docking column are symmetrically fixedly connected to the fixed plugboard, the front and rear ends of the inner wall of the docking groove are symmetrically provided with fixed slots, and the fixed plugboard is connected inside the fixed slots by insertion.
[0018] Compared with the prior art, the advantages of the present invention are:
[0019] The utility model provides a support plate on the inner wall of the inner cavity, opens a slide groove on the outer side of the support plate, and multiple clamping rings are clamped on the outer surface of the spring. The outside of the clamping ring is connected to a slider, and the slider will be docked in the inside of the slide groove. When the ball presses the spring, the slider can move up and down in the slide groove through the expansion and contraction force of the spring. The spring is supported by the clamping ring, which avoids the expansion and contraction of the spring in an inclined state inside the plunger after the ball presses the spring, thereby improving the protection.
[0020] Based on the above-mentioned intentional effects, by providing a docking post and a docking slot, after long-term use, the spring can be lifted upward as a whole, so that the docking post is separated from the docking slot, the spring can be removed as a whole, and the spring can be replaced or maintained. During installation, the docking post is directly fixed inside the docking slot to avoid deviation during the installation process. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0022] Figure 1 It is a schematic diagram of the plunger body of the utility model;
[0023] Figure 2 This is a schematic diagram of the interior of the plunger body of the utility model;
[0024] Figure 3 It is a schematic diagram of a spring of the present utility model.
[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0026] 11. Plunger seat; 12. Plunger body; 13. Ball; 14. External thread;
[0027] 21. Support seat; 22. Inner cavity; 23. Support plate; 24. Slide groove; 25. Slider; 26. Clamp ring; 27. Spring;
[0028] 31. Fixed plug board; 32. Docking column; 33. Docking slot; 34. Fixed slot. DETAILED DESCRIPTION
[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.
[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.
[0031] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.
[0032] See also Figure 1-3 As shown, this embodiment is a plunger with external threads 14, comprising:
[0033] A body component, the body component comprising a plunger seat 11 and a plunger body 12;
[0034] A supporting component, the supporting component includes a supporting seat 21, an inner cavity 22, a supporting plate 23, a sliding groove 24, a sliding block 25, a clamping ring 26 and a spring 27;
[0035] An inner cavity 22 is formed inside the plunger body 12, and a support plate 23 is symmetrically connected to the middle of both sides of the inner wall of the inner cavity 22, and a slide groove 24 is formed in the middle of the outer side of the support plate 23. A spring 27 is installed inside the inner cavity 22, and clamp rings 26 are connected to both sides of the outer surface of the spring 27. The outer end of the clamp ring 26 is fixedly connected to a slider 25, and the slider 25 is movably connected to the inside of the slide groove 24.
[0036] A plurality of clamping rings 26 are clamped on the outer surface of the spring 27, and a slider 25 is connected to the outside of the clamping ring 26. The slider 25 will dock inside the slide groove 24. When the ball 13 presses the spring 27, the slider 25 can move up and down inside the slide groove 24 through the expansion and contraction force of the spring 27. The clamping ring 26 is used to support the spring 27, so that the spring 27 is prevented from expanding and contracting in an inclined state inside the plunger after the ball 13 presses the spring 27.
[0037] The clamp ring 26 is in an arc shape, and the clamp ring 26 is evenly distributed;
[0038] The plurality of clamp rings 26 are clamped on both sides of the outer surface of the spring 27 at the same time, which can improve the stability of the spring 27 during operation.
[0039] The support seat 21 is connected to the middle of the inner cavity 22, and the spring 27 is connected to the top of the support seat 21;
[0040] The body part also includes a plunger seat 11, a ball 13 and an external thread 14;
[0041] The outer surface of the plunger body 12 is wound with an external thread 14, and a ball 13 is rollingly connected to the middle of the top of the plunger body 12, and the plunger seat 11 is connected to the bottom of the plunger body 12;
[0042] The ball 13 rolls and presses inside the inner cavity 22 , and utilizes the expansion and contraction force of the spring 27 to expand and contract toward the inner cavity 22 .
[0043] The working principle is to clamp the clamping ring 26 on both sides of the outer surface of the spring 27 respectively, and multiple clamping rings 26 clamp at the same time to support the spring 27, and the outside of the clamping ring 26 is connected to the slider 25, and the slider 25 will be docked in the inside of the slide groove 24. When the ball 13 presses the spring 27, the slider 25 can move up and down in the inside of the slide groove 24 through the expansion and contraction force of the spring 27. The clamping ring 26 is used to support the spring 27, which avoids the expansion and contraction of the spring 27 in an inclined state inside the plunger after the ball 13 presses the spring 27, thereby improving the protection.
[0044] See also Figure 1 , Figure 3 As shown, this embodiment is based on the above embodiment 1 and further includes a limiting component, and the limiting component includes a fixed plug plate 31, a docking column 32, a docking groove 33 and a fixed slot 34;
[0045] A docking groove 33 is provided in the middle of the top end of the plunger seat 11, and a docking column 32 is fixedly connected to the middle of the bottom end of the support seat 21, and the docking column 32 is connected to the inside of the docking groove 33 by insertion;
[0046] During installation, the docking column 32 is directly fixed inside the docking groove 33 to avoid deviation during installation.
[0047] The front and rear ends of the outer wall of the docking column 32 are symmetrically fixedly connected to the fixed plug board 31, and the front and rear ends of the inner wall of the docking groove 33 are symmetrically provided with fixed slots 34, and the fixed plug board 31 is connected inside the fixed slots 34 by insertion;
[0048] After the docking column 32 is fixed in the docking groove 33 , the fixing plug plate 31 will be inserted into the fixing slot 34 at the same time to reinforce the installed spring 27 .
[0049] Working principle: during installation, the docking column 32 is directly fixed inside the docking slot 33 to avoid deviation during installation. After the docking column 32 is fixed inside the docking slot 33, the fixed plug plate 31 will be inserted into the fixed slot 34 at the same time to reinforce the installed spring 27;
[0050] As the usage time increases, the spring 27 can be lifted upward as a whole, so that the docking column 32 is separated from the docking groove 33, and the spring 27 can be disassembled as a whole to be replaced or maintained, thereby improving the convenience during installation and disassembly.
[0051] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0052] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A plunger with external threads, characterized in that: include: A body component, the body component comprising a plunger seat (11) and a plunger body (12); A supporting component, the supporting component comprising a supporting seat (21), an inner cavity (22), a supporting plate (23), a sliding groove (24), a sliding block (25), a clamping ring (26), and a spring (27); The plunger body (12) has an inner cavity (22) formed therein, the middle portions of the inner walls of the inner cavity (22) are symmetrically connected to support plates (23), a slide groove (24) is formed in the middle portion of the outer side of the support plate (23), a spring (27) is installed inside the inner cavity (22), both sides of the outer surface of the spring (27) are connected to clamp rings (26), the outer end of the clamp ring (26) is fixedly connected to a slider (25), and the slider (25) is movably connected to the inside of the slide groove (24).
2. A plunger with external threads according to claim 1, characterized in that: The clamp ring (26) is in an arc shape, and the clamp ring (26) is evenly distributed.
3. A plunger with external threads according to claim 1, characterized in that: The support seat (21) is connected to the middle of the inner cavity (22), and the spring (27) is connected to the top of the support seat (21).
4. A plunger with external threads according to claim 1, characterized in that: The body component further comprises a plunger seat (11), a ball (13) and an external thread (14); The outer surface of the plunger body (12) is wound with an external thread (14), and a ball (13) is rollingly connected to the middle of the top of the plunger body (12), and the plunger seat (11) is connected to the bottom of the plunger body (12).
5. A plunger with external threads according to claim 1, characterized in that: It also includes a limiting component, which includes a fixed plug plate (31), a docking column (32), a docking groove (33) and a fixed slot (34); A docking groove (33) is provided in the middle of the top end of the plunger seat (11), and a docking column (32) is fixedly connected to the middle of the bottom end of the support seat (21), and the docking column (32) is connected to the inside of the docking groove (33) by insertion.
6. A plunger with external threads according to claim 5, characterized in that: The front and rear ends of the outer walls of the docking posts (32) are symmetrically fixedly connected to the fixed plug plates (31), and the front and rear ends of the inner walls of the docking slots (33) are symmetrically provided with fixed slots (34), and the fixed plug plates (31) are connected inside the fixed slots (34) by insertion.