Ball plunger assembly

By connecting the ball head plunger assembly with a limiting sleeve and bolt engagement structure, the problem of inconvenient replacement after ball head wear is solved, achieving stable connection and convenient disassembly and assembly, and improving the reliability and stability of the ball head plunger assembly.

CN223725085UActive Publication Date: 2025-12-26DONGGUAN VICTOR METAL PROD CO LTD
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Patent Information

Application Number
CN202520124699.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2025-12-26
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

The existing ball-head plunger assembly has a plunger body port that is difficult to replace after the ball head wears due to riveting, which affects user operation.

Method used

A ball-head plunger assembly was designed. By connecting the limiting sleeve and the plunger tube, and combining the meshing structure of the bolt and threaded fixing seat, a firm connection between the limiting sleeve and the plunger tube is achieved. A spring is set in the ball head cavity to provide elastic support, thereby enhancing the stability and disassembly of the ball head.

Benefits of technology

It achieves stable connection and convenient assembly/disassembly of the ball joint, reduces wear, improves installation efficiency and connection stability, prevents the ball joint from coming off or getting stuck, and ensures normal operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a ball plunger assembly, and belongs to the technical field of ball plungers. The ball head plunger assembly comprises a plunger pipe, the top end of the plunger pipe is connected with a limiting sleeve, a ball head is arranged at the top end of the inner side of the plunger pipe, the outer side of the ball head makes contact with the inner side of the limiting sleeve, a spring cavity is formed in the bottom end of the interior of the plunger pipe, a ball head cavity is formed in the top end of the interior of the plunger pipe, and a spring is installed at the bottom end of the interior of the spring cavity. The outer side of the ball head is slidably connected with the interior of the ball head cavity, the bottom end of the ball head makes contact with the top end of the spring, fixing mechanisms used for being connected with the limiting sleeve are installed on the four sides of the plunger pipe correspondingly, installation bases are fixedly connected to the four sides of the limiting sleeve correspondingly, and each fixing mechanism comprises a threaded fixing base, and a connecting base is arranged on one side of the threaded fixing base. According to the detachable ball head, the effect that the limiting sleeve is detachable can be effectively achieved, a user can replace the ball head conveniently, and the detachable ball head has high practical value.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ball head plunger, specifically to a ball head plunger total piece. BACKGROUND

[0002] The ball head plunger total piece is a mechanical component, which is usually composed of a plunger body, a ball head and a spring, etc. When the ball head plunger total piece is installed on a component, the ball head can be extended and contacted with the surface of another component, so as to realize the positioning and fixing functions.

[0003] Based on the above, the present inventor found that there are the following problems: the tail port of the plunger body of the existing ball head plunger total piece is riveted, which makes it inconvenient to replace the ball head after long-time wear, thereby affecting the user's use.

[0004] Therefore, in view of the above problems, the ball head plunger total piece is provided to achieve the purpose of having more practical value. SUMMARY

[0005] The purpose of the utility model is to provide a ball head plunger total piece to solve the problem that the port of the plunger body of the existing ball head plunger total piece is riveted, which makes it inconvenient to replace the ball head after long-time wear, thereby affecting the user's use.

[0006] In view of the above problems, the technical scheme provided by the utility model is as follows:

[0007] A ball head plunger total piece, comprising a plunger tube, a limiting sleeve connected to the top end of the plunger tube, a ball head provided on the inner top end of the plunger tube, the outer side of the ball head in contact with the inner side of the limiting sleeve, a spring cavity opened at the inner bottom end of the plunger tube, a ball head cavity opened at the inner top end of the plunger tube, a spring installed at the inner bottom end of the spring cavity, the outer side of the ball head in sliding connection with the inner side of the ball head cavity, the bottom end of the ball head in contact with the top end of the spring, a fixing mechanism for connecting the limiting sleeve installed on the four sides of the plunger tube, and a mounting seat fixedly connected to the four sides of the limiting sleeve.

[0008] Further, the fixing mechanism comprises a threaded fixing seat, one side of the threaded fixing seat is provided with a connecting seat, the top end of the connecting seat is fixedly connected with the bottom end of the limiting sleeve, the other side of the threaded fixing seat is fixedly connected with the outer side of the plunger tube, a bolt is installed on the inner side of the connecting seat, and one end of the bolt is engaged with the inner side of the threaded fixing seat.

[0009] The beneficial effects of the above further scheme are that the limiting sleeve and the plunger tube are firmly connected through the engagement of one end of the bolt with the inner side of the threaded fixing seat, which facilitates the installation and disassembly.

[0010] Further, one side of the threaded fixing base is provided with a slot, and the outer side of the connecting base is inserted into the inner side of the slot.

[0011] The beneficial effect of the above further scheme is that the insertion of the outer side of the connecting base into the inner side of the slot achieves limiting during installation of the connecting base, facilitates installation of the bolt, improves installation efficiency, and the insertion structure also increases the stability of the connection to prevent the connecting base from deviating during use.

[0012] Further, the bottom end of the threaded fixing base is arc-shaped on both sides.

[0013] The beneficial effect of the above further scheme is that the arc-shaped bottom end of the threaded fixing base reduces scratching and damage to surrounding components during installation and use.

[0014] Further, the inner side of the plunger tube is provided with a bevel in the middle, the top end of the bevel is connected to the bottom end of the spring cavity, and the bottom end of the bevel is connected to the top end of the spring cavity.

[0015] The beneficial effect of the above further scheme is that the bevel in the middle of the inner side of the plunger tube effectively prevents the ball head from being stuck.

[0016] Further, the diameter of the spring cavity is smaller than the diameter of the ball head cavity.

[0017] Further, the inner side of the limiting sleeve is provided with a limiting arc edge at the top end.

[0018] The beneficial effect of the above further scheme is that the limiting arc edge at the top end of the inner side of the limiting sleeve can better fit the outer side of the ball head, improve the limiting effect on the ball head, and prevent the ball head from extending too much during work, ensuring normal work of the ball head plunger assembly.

[0019] Compared with the prior art, the beneficial effects of the utility model are: the ball head plunger total piece, through the connection of the limiting sleeve and the plunger pipe, ensures that the ball head cannot come out, the spring provides elastic support, the ball head can adapt to different working conditions, the fixing mechanism facilitates the disassembly and replacement of the ball head, improves the reliability and stability in practical application, through the engagement of one end of the bolt and the inner side of the threaded fixing seat, realizes the firm connection of the limiting sleeve and the plunger pipe, facilitates installation and disassembly, through the plug-in of the outer side of the connecting seat and the inner side of the slot, realizes the limiting of the connecting seat during installation, facilitates the installation of the bolt, improves the installation efficiency, meanwhile, the plug-in structure also increases the stability of the connection, prevents the connecting seat from deviating during use, the bottom end of the threaded fixing seat is arc-shaped on both sides, reduces the scratching and damage to the surrounding components during installation and use, the inner side of the plunger pipe is provided with a bevel in the middle, effectively prevents the ball head from being stuck, the inner side of the limiting sleeve is provided with a limiting arc edge at the top end, can better adhere to the outer side of the ball head, improves the limiting effect of the ball head, meanwhile, can prevent the ball head from excessively extending during work, ensures the normal work of the ball head plunger total piece, the utility model can effectively realize the detachable limiting sleeve, facilitates the replacement of the ball head by the user, has higher practical value. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The utility model discloses a three -dimensional structure schematic diagram one for embodiment discloses of the utility model;

[0021] Figure 2 The utility model discloses a three -dimensional structure schematic diagram two for embodiment discloses of the utility model;

[0022] Figure 3 The utility model discloses a disassembly three -dimensional structure schematic diagram one for embodiment discloses of the utility model;

[0023] Figure 4 The utility model discloses a disassembly three -dimensional structure schematic diagram two for embodiment discloses of the utility model;

[0024] Figure 5 The utility model discloses a three -dimensional structure schematic diagram one for embodiment discloses of the utility model; Figure 2 The structure amplification schematic drawing of middle A structure.

[0025] In the drawing: 100, plunger pipe;10001, spring cavity;10002, ball head cavity;10003, bevel;101, limiting sleeve;10101, limiting arc edge;102, ball head;103, spring;104, fixing mechanism;10401, threaded fixing seat;10402, connecting seat;10403, slot;10404, bolt;105, mounting seat. DETAILED DESCRIPTION

[0026] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by the ordinary skilled in the art without creative work are within the scope of the present application.

[0027] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by the ordinary skilled in the art without creative work are within the scope of the present application. Figures 1-5 The utility model provides a technical scheme: a ball head plunger total piece, including plunger pipe 100, the top of plunger pipe 100 is connected with the limiting sleeve 101, the inner side top of plunger pipe 100 is equipped with ball head 102, the outside of ball head 102 and the inside of limiting sleeve 101 are in contact, the inside bottom of plunger pipe 100 is equipped with spring cavity 10001, the inside top of plunger pipe 100 is equipped with ball head cavity 10002, the inside bottom of spring cavity 10001 is installed with spring 103, the outside of ball head 102 and the inside of ball head cavity 10002 are slidably connected, the bottom of ball head 102 and the top of spring 103 are in contact, the four sides of plunger pipe 100 are all installed with the fixed mechanism 104 for connecting limiting sleeve 101, the four sides of limiting sleeve 101 are all fixedly connected with mounting seat 105, through the connection of limiting sleeve 101 and plunger pipe 100, it is guaranteed that ball head 102 can not come out, spring 103 provides elastic support, makes ball head 102 can adapt to different working conditions, the fixed mechanism 104 sets up and facilitates the disassembly replacement of ball head 102, improves its reliability and stability in practical application.

[0028] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by the ordinary skilled in the art without creative work are within the scope of the present application.

[0029] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by the ordinary skilled in the art without creative work are within the scope of the present application. Figures 1-5The fixing mechanism 104 comprises a threaded fixing seat 10401, one side of the threaded fixing seat 10401 is provided with a connecting seat 10402, the top end of the connecting seat 10402 is fixedly connected with the bottom end of the limiting sleeve 101, the other side of the threaded fixing seat 10401 is fixedly connected with the outer side of the plunger pipe 100, the inner side of the connecting seat 10402 is provided with a bolt 10404, one end of the bolt 10404 is engaged with the inner side of the threaded fixing seat 10401, the threaded fixing seat 10401 is provided with a slot 10403 on one side, the outer side of the connecting seat 10402 is inserted into the inner side of the slot 10403, the bottom end of the threaded fixing seat 10401 is in an arc shape on both sides, the bolt 10404 is engaged with the inner side of the threaded fixing seat 10401, the limiting sleeve 101 and the plunger pipe 100 are firmly connected, and meanwhile, the threaded fixing seat 10401 is convenient to install and disassemble, the connecting seat 10402 is limited during installation, the bolt 10404 is convenient to install, the installation efficiency is improved, meanwhile, the insertion structure increases the stability of connection, the connecting seat 10402 is prevented from deviating during use, and the arc-shaped bottom end of the threaded fixing seat 10401 reduces scratches and damage to surrounding components during installation and use.

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] Please refer to Figures 1-5 The inner side of the plunger pipe 100 is provided with an inclined edge 10003 in the middle, the top end of the inclined edge 10003 is connected with the bottom end of the spring cavity 10001, the bottom end of the inclined edge 10003 is connected with the top end of the spring cavity 10001, the diameter of the spring cavity 10001 is smaller than the diameter of the ball head cavity 10002, the inner side of the top end of the limiting sleeve 101 is provided with a limiting arc edge 10101, the inner side of the middle of the plunger pipe 100 is provided with the inclined edge 10003, which effectively prevents the ball head 102 from being stuck, the inner side of the top end of the limiting sleeve 101 is provided with the limiting arc edge 10101, which can better fit the outer side of the ball head 102, improves the limiting effect of the ball head, and meanwhile, prevents the ball head 102 from excessively extending during work, and ensures the normal work of the ball head plunger assembly.

[0032] Specifically, the working principle of the ball head plunger assembly: in use, through the connection of the limiting sleeve 101 and the plunger pipe 100, it is ensured that the ball head 102 cannot be taken out, the spring 103 provides elastic support, so that the ball head 102 can adapt to different working conditions, the fixing mechanism 104 facilitates the disassembly and replacement of the ball head 102, and the reliability and stability of the ball head 102 in actual application are improved, through the engagement of one end of the bolt 10404 and the inner side of the threaded fixing seat 10401, the firm connection of the limiting sleeve 101 and the plunger pipe 100 is realized, and meanwhile, the installation and disassembly are facilitated, through the insertion of the outer side of the connecting seat 10402 and the inner side of the insertion groove 10403, the limiting of the connecting seat 10402 during installation is realized, the installation of the bolt 10404 is facilitated, and the installation efficiency is improved, meanwhile, the insertion structure also increases the stability of the connection, prevents the connecting seat 10402 from deviating during use, through the arc-shaped style of the bottom end of the threaded fixing seat 10401, the scratching and damage to surrounding components during installation and use are reduced, through the bevel 10003 arranged on the inner side of the middle part of the plunger pipe 100, the ball head 102 is effectively prevented from being stuck, through the limiting arc edge 10101 arranged on the inner side of the top end of the limiting sleeve 101, the outer side of the ball head 102 can be better matched, the limiting effect of the ball head is improved, meanwhile, the ball head 102 can be prevented from being excessively stretched out during work, and the normal work of the ball head plunger assembly is ensured, the limiting sleeve can be effectively disassembled, the user can replace the ball head conveniently, and the ball head plunger assembly has high practical value.

Claims

1. A ball plunger assembly, characterized by The application relates to a plunger tube (100) which is connected with a limiting sleeve (101) at the top end, is provided with a ball head (102) at the inner top end, and is provided with a spring cavity (10001) at the inner bottom end, a ball head cavity (10002) at the inner top end, a spring (103) at the inner bottom end of the spring cavity (10001), and a fixing mechanism (104) for connecting the limiting sleeve (101) on the four sides of the plunger tube (100).

2. A ball plunger assembly according to claim 1, wherein The fixing mechanism (104) comprises a threaded fixing seat (10401) which is provided with a connecting seat (10402) on one side, is fixedly connected with the bottom end of the limiting sleeve (101) at the top end of the connecting seat (10402), and is fixedly connected with the outer side of the plunger tube (100) on the other side, and is provided with a bolt (10404) on the inner side of the threaded fixing seat (10401).

3. A ball plunger assembly according to claim 2, wherein The threaded fixing seat (10401) is provided with a slot (10403) on one side, and the outer side of the connecting seat (10402) is inserted into the inner side of the slot (10403).

4. A ball plunger assembly according to claim 2, wherein The bottom end of the threaded fixing seat (10401) is arc-shaped on both sides.

5. A ball plunger assembly according to claim 1 wherein, The inner side of the plunger tube (100) is provided with an inclined edge (10003) in the middle, the top end of the inclined edge (10003) is connected with the bottom end of the spring cavity (10001), and the bottom end of the inclined edge (10003) is connected with the top end of the spring cavity (10001).

6. A ball plunger assembly according to claim 1 wherein, The diameter of the spring cavity (10001) is smaller than that of the ball head cavity (10002).

7. A ball plunger assembly according to claim 1 wherein, The inner top end of the limiting sleeve (101) is provided with a limiting arc edge (10101).