Composite novel connection type piston
By introducing a limiting component into the composite connecting piston, and using a spring to push the moving plate to drive the limiting rod into the limiting groove, the stability problem caused by loose screws is solved, and the stability and convenience of the device are improved.
Patent Information
- Application Number
- CN202520774681.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-23
AI Technical Summary
In existing composite connection pistons, the stability of the device decreases during high-speed movement due to the loosening of the first and second screws.
A limiting assembly is adopted, including a moving plate, a limiting rod, and a spring. The spring pushes the moving plate to slide, causing the limiting rod to insert into the limiting groove of the bidirectional lead screw, preventing the bidirectional lead screw from sliding and improving stability.
It effectively prevents the bidirectional lead screw from slipping, improving the stability of the device and the ease of assembly and disassembly.
Smart Images

Figure CN223908771U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a piston technical field, concretely is a kind of composite new connection type piston. BACKGROUND
[0002] Composite new connection type piston is a kind of piston design that combines traditional piston technology and modern material and structural innovation.
[0003] The existing patent (announcement number:CN221196049U) discloses a kind of composite connection type piston, the device is moved to the inside of slide groove in opposite direction by rotating bidirectional screw rod, slide plate drives square column to move, make two square columns respectively insert to the innermost side of two square grooves or make two square columns slide from the inside of square groove, to facilitate the disassembly and assembly of connecting rod.
[0004] But the above-mentioned device needs to be fixed by first screw and second screw to the position of bidirectional screw rod when using, since piston, connecting rod is in high-speed motion state when working, first screw and second screw are prone to loosen in the process of high-speed motion, reduce the stability of device.
[0005] Therefore, a kind of composite new connection type piston is needed to solve the above problems. UTILITY MODEL CONTENT
[0006] The utility model aims at providing a kind of composite new connection type piston to solve the problem that the stability of device is reduced due to piston, connecting rod is in high-speed motion state when working, first screw and second screw are prone to loosen in the process of high-speed motion in the above background art.
[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of composite new connection type piston, including composite piston and connecting rod, the inside of two installation grooves on the composite piston is rotatably connected with rotary seat, the end of the connecting rod is fixedly connected with connecting shell, the side of the connecting shell is provided with limit component, the limit component includes shell, the side of shell and connecting shell is fixed, the inside of shell is slidably connected with moving plate, the side of moving plate is fixedly connected with limit rod, the other side edge of moving plate is fixedly connected with spring, the other side center of moving plate is fixedly connected with pull rod, pull rod passes through shell and is slidably connected with it, the side of pull rod is fixedly connected with pull handle.
[0008] Preferably, the side between the rotary seat is equipped with spline groove, the inside of spline groove is provided with spline shaft, the side between spline shaft is fixedly connected with connecting column, connecting column passes through connecting shell and is slidably connected with it, the inside of connecting shell is provided with adjusting assembly.
[0009] Preferably, the connecting column is circular in cross section.
[0010] Preferably, the adjusting assembly comprises a bidirectional screw rod penetrating through both sides of the connecting shell and being rotatably connected therewith, the outer wall of the bidirectional screw rod is threadedly connected with a pair of sliding plates, the connecting column is fixed to the side opposite to the end of the sliding plate, and one side of the bidirectional screw rod is fixedly connected with a rotating member.
[0011] Preferably, the rotating member is an inner hexagonal head.
[0012] Preferably, the other side of the bidirectional screw rod is provided with a limiting groove, and the limiting rod is arranged in the limiting groove and is matched with the limiting groove.
[0013] Compared with the prior art, the novel composite connecting piston has the following beneficial effects:
[0014] The novel composite connecting piston comprises a connecting shell, a connecting column, a limiting rod, a spring, a moving plate, a limiting groove and a limiting rod. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a left view of the novel composite connecting piston;
[0016] Figure 2 is a right view of the novel composite connecting piston;
[0017] Figure 3 is a partial view of the novel composite connecting piston;
[0018] Figure 4 is a structure view of the adjusting assembly of the novel composite connecting piston;
[0019] Figure 5 is a structure view of the limiting assembly of the novel composite connecting piston.
[0020] In the drawing: 1, composite piston; 2, rotating seat; 3, spline groove; 4, connecting rod; 5, connecting shell; 6, adjusting assembly; 601, bidirectional screw rod; 602, sliding plate; 603, rotating member; 7, connecting column; 8, spline shaft; 9, limiting assembly; 901, limiting groove; 902, limiting rod; 903, moving plate; 904, shell; 905, spring; 906, pull rod; 907, pull handle. DETAILED DESCRIPTION
[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. 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 other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0022] Please refer to Figures 1-5 The utility model provides a kind of composite novel connecting type piston, including composite piston 1 and connecting rod 4, the inside of two installation grooves on composite piston 1 is rotatably connected with rotating seat 2, the end of connecting rod 4 is fixedly connected with connecting shell 5, the side of connecting shell 5 is provided with limit component 9, limit component 9 includes shell 904, shell 904 and the side of connecting shell 5 are fixed, the inside of shell 904 is slidably connected with moving plate 903, the side of moving plate 903 is fixedly connected with limit rod 902, the other side edge of moving plate 903 is fixedly connected with spring 905, the other side center of moving plate 903 is fixedly connected with pull rod 906, pull rod 906 passes through shell 904 and is slidably connected with it, the side of pull rod 906 is fixedly connected with pull handle 907, the side between rotating seat 2 adjacent is provided with spline groove 3, the inside of spline groove 3 is provided with spline shaft 8, the side between spline shaft 8 adjacent is fixedly connected with connecting column 7, connecting column 7 passes through connecting shell 5 and is slidably connected with it, the inside of connecting shell 5 is provided with adjusting assembly 6, the section of connecting column 7 is circular.
[0023] In the embodiment, the spring 905 pushes the moving plate 903 to slide along the inner wall of the shell 904, the moving plate 903 drives the limit rod 902 to insert into the limit slot 901 of the bidirectional screw rod 601 to complete the limiting operation of the bidirectional screw rod 601, preventing the bidirectional screw rod 601 from sliding, and improving the stability of the device.
[0024] The adjusting assembly 6 includes a bidirectional screw rod 601, the bidirectional screw rod 601 passes through both sides of the connecting shell 5 and is rotatably connected therewith, a pair of sliding plates 602 are threadedly connected to the outer wall of the bidirectional screw rod 601, the connecting column 7 is fixedly connected to the side opposite to the end of the sliding plate 602, a rotating piece 603 is fixedly connected to one side of the bidirectional screw rod 601, the rotating piece 603 is an internal hexagonal head, a limit slot 901 is formed on the other side of the bidirectional screw rod 601, and the limit rod 902 is arranged in the limit slot 901 and is adapted thereto.
[0025] In the embodiment, the rotating piece 603 is rotated by means of a tool (such as an internal hexagonal wrench), the rotating piece 603 drives the bidirectional screw rod 601 to rotate, the bidirectional screw rod 601 drives the sliding plates 602 and the connecting column 7 to slide away at the same time, the spline shaft 8 is inserted into the inside of the spline groove 3 and the installation and connection operation is completed, and the disassembly and assembly convenience of the device is improved.
[0026] Working principle:
[0027] Firstly, pull the pull handle 907 to move the pull rod 906, which moves the moving plate 903 while compressing the spring 905 and driving the limiting rod 902 out of the limiting slot 901, thereby freeing the bidirectional screw rod 601;
[0028] Next, align the spline shaft 8 and the spline groove 3, and slide the connecting column 7 away by rotating the rotating part 603 with the aid of a tool (such as an internal hex wrench), which drives the spline shaft 8 to insert into the inside of the spline groove 3 and complete the connection between the composite piston 1 and the connecting rod 4;
[0029] Then, loosen the pull handle 907, and the spring 905 pushes the limiting rod 902 into the limiting slot 901 of the bidirectional screw rod 601 to complete the limiting operation of the bidirectional screw rod 601;
[0030] Finally, as shown in the publication number: CN221196049U, the normal installation and use of the composite piston 1 and the connecting rod 4 are completed.
[0031] Among them, it needs to be emphasized that in this application, the composite piston 1, the rotating seat 2, the connecting rod 4, and the connecting shell 5 are the prior art disclosed in the publication number: CN221196049U. The composite piston 1 uses composite technology of different materials to optimize each part of the piston. The piston body can be made of aluminum alloy or magnesium alloy to reduce weight, while the piston ring part uses wear-resistant and high-temperature-resistant materials (such as ceramics, titanium alloy, or high-strength steel) to improve durability and high-temperature resistance. Special coatings (such as ceramic coatings, etc.) are applied to the piston surface, which can effectively reduce friction, reduce wear, and improve corrosion resistance.
[0032] It is apparent to those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and range of equivalents of the essential elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be considered as limiting the claims involved.
Claims
1. A composite novel connecting type piston, comprising a composite piston (1) and a connecting rod (4), the inside of two mounting grooves on the composite piston (1) are rotatably connected with rotating seats (2), characterized in that: The end of the connecting rod (4) is fixedly connected with a connecting shell (5), one side of the connecting shell (5) is provided with a limiting assembly (9), the limiting assembly (9) comprises a shell (904), the shell (904) is fixed with one side of the connecting shell (5), the inside of the shell (904) is slidably connected with a moving plate (903), one side of the moving plate (903) is fixedly connected with a limiting rod (902), the other side edge of the moving plate (903) is fixedly connected with a spring (905), the other side center of the moving plate (903) is fixedly connected with a pull rod (906), the pull rod (906) penetrates through the shell (904) and is slidably connected therewith, one side of the pull rod (906) is fixedly connected with a pull handle (907).
2. A composite novel connected piston as claimed in claim 1, wherein: The adjacent side between the rotating blocks (2) is provided with a spline groove (3), the inside of the spline groove (3) is provided with a spline shaft (8), one side between the spline shafts (8) is fixedly connected with a connecting column (7), the connecting column (7) penetrates through the connecting shell (5) and is slidably connected therewith, the inside of the connecting shell (5) is provided with an adjusting assembly (6).
3. A composite novel connected piston as claimed in claim 2, wherein: The section of the connecting column (7) is circular.
4. A composite novel connected piston as claimed in claim 2, wherein: The adjusting assembly (6) comprises a bidirectional screw rod (601), the bidirectional screw rod (601) penetrates through both sides of the connecting shell (5) and is rotatably connected therewith, the outer wall of the bidirectional screw rod (601) is threadedly connected with a pair of sliding plates (602), the connecting column (7) is fixed with the opposite side of the end of the sliding plate (602), one side of the bidirectional screw rod (601) is fixedly connected with a rotating piece (603).
5. A composite novel connected piston as claimed in claim 4, wherein: The rotating piece (603) is an internal hexagonal head.
6. A composite novel connected piston as claimed in claim 4 wherein: The other side of the bidirectional screw rod (601) is provided with a limiting groove (901), the limiting rod (902) is arranged in the limiting groove (901) and is matched therewith. The other side of the bidirectional screw rod (601) is provided with a limiting groove (901), the limiting rod (902) is arranged in the limiting groove (901) and is matched therewith.
Citation Information
Patent Citations
Composite connection type piston
CN221196049U