Piston rod capable of being separated from piston conveniently
By designing structures such as the main rod body, right bracket, left bracket, and positioning plate, the problem of difficult disassembly of the piston rod and piston connection was solved, realizing convenient disassembly and assembly of the piston rod and reducing maintenance costs.
Patent Information
- Application Number
- CN202423315418.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The existing connection between the piston rod and the piston is difficult to disassemble, which makes maintenance difficult and increases maintenance costs.
A structure comprising a main rod body, a right bracket, a left bracket, a fitting groove, a secondary rod body, a positioning plate, and a fixing bolt is designed. The piston rod is easily disassembled and assembled through a slot, a connecting ring, and a lever head. The installation process is simplified by utilizing the cooperation of the arc-shaped bracket and the arc-shaped groove.
This allows for easy disassembly and assembly of the piston rod, reducing maintenance costs and improving the operability of replacing parts.
Smart Images
Figure CN223814345U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of piston connecting rod technology, specifically a piston rod that is easy to separate from the piston. Background Technology
[0002] The piston rod is a connecting component that supports the piston in performing work. It is mainly used in the motion actuators of hydraulic cylinders and pneumatic cylinders. The main function of the piston rod is to transmit the force acting on the piston and drive the piston to move. It is usually composed of several parts, including the cylinder barrel, piston rod (hydraulic cylinder rod), piston, and end cap. It is a component with frequent movement and high technical requirements, and its processing quality directly affects the lifespan and reliability of the entire product.
[0003] If the piston is damaged or worn to the point of needing replacement, or if the piston rod seal is worn or damaged and needs to be replaced, the piston rod must be disassembled first. However, current piston rods are connected to the piston by pins. For stable operation, the pin connection is difficult to disassemble and requires a lot of effort. Moreover, once the piston rod is damaged, the entire rod needs to be replaced, increasing maintenance costs.
[0004] The information disclosed in this background section is only intended to enhance the understanding of the background technology of this application, and therefore may include prior art that is not known to those skilled in the art. Utility Model Content
[0005] The purpose of this invention is to provide a piston rod that is easy to separate from the piston, so as to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: It includes a main rod body, a right-hand bracket connected to the top of the main rod body, an upper connecting seat connected to the bottom of the main rod body, a lower connecting seat connected to the bottom of the upper connecting seat, a fitting groove on one side of the main rod body, and a secondary rod body connected within the fitting groove, a left-hand bracket connected to the top of the secondary rod body, slots on both sides of the right and left brackets, and connecting rings connected within the slots, a cavity on one side of the main rod body, a positioning plate slidably disposed within the cavity, a connecting end connected to one end of the positioning plate, a toggle head connected to one side of the connecting end, and a fixing bolt connected to one side of the main rod body.
[0007] Preferably, an arc-shaped bracket is connected to one side of the auxiliary rod, and an arc-shaped groove is provided on one side of the fitting groove corresponding to the arc-shaped bracket.
[0008] Preferably, the bottom end of the auxiliary rod body is provided with a positioning groove, and one end of the positioning plate passes through the cavity and is fitted into the positioning groove.
[0009] Preferably, the main rod body is provided with a sliding hole on one side, and the stirring head extends through one end to the outside of the sliding hole.
[0010] Preferably, the fixing bolt extends through the connecting end and is provided with a limiting slot, and the limiting slot is embedded with a limiting clamping frame.
[0011] Preferably, the left and right holding frames are both provided in a semicircular shape and are both provided with wear-resistant layers on the inner sides.
[0012] In summary, the present application has the following beneficial technical effects:
[0013] The positioning plate can be fixed in the main rod body, the fixing bolt can fix the positioning plate, the connecting clasp can increase the connecting effect of the right and left holding frames, the operation is simple, the right and left holding frames are detachable, the right and left holding frames are separately arranged, the damaged parts can be replaced, and the maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a whole structure schematic view of a piston rod convenient to separate from a piston.
[0015] Figure 2 It is a side sectional structure schematic view of a piston rod convenient to separate from a piston.
[0016] Figure 3 It is an explosion structure schematic view of a piston rod convenient to separate from a piston.
[0017] In the figure: 1, main rod body; 2, right holding frame; 3, upper connecting seat; 4, lower connecting seat; 5, auxiliary rod body; 51, arc-shaped clamping frame; 6, left holding frame; 61, clamping groove; 7, connecting clasp; 8, cavity; 9, positioning plate; 91, positioning groove; 10, connecting end; 101, arc-shaped groove; 11, stirring head; 12, fixing bolt; 121, limiting slot; 13, limiting clamping frame. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present application will be described clearly and completely 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 work fall within the protection scope of the present application.
[0019] Please refer to Figures 1-3The utility model provides a technical scheme: including main rod body 1, right embrace frame 2 is connected to the top of main rod body 1 and is arranged, the bottom of main rod body 1 is connected and is arranged with upper connecting seat 3, upper connecting seat 3 bottom end connection is arranged with lower connecting seat 4, and the one side of main rod body 1 is provided with the embedded groove, and the embedded groove is connected and is arranged with auxiliary rod body 5 in, and the top of auxiliary rod body 5 is connected and is arranged with left embrace frame 6, and the both sides of right embrace frame 2 and left embrace frame 6 are provided with the clamping groove 61, and the clamping groove 61 is connected and is arranged with the connecting snap ring 7, and the connecting snap ring 7 can be tightly encircled right embrace frame 2 and left embrace frame 6, further guarantee the connecting effect, and the one side of main rod body 1 is provided with cavity 8, and the sliding of cavity 8 is provided with the positioning plate 9, and the one end of positioning plate 9 is connected and is arranged with the connecting end 10, and the one side of connecting end 10 is connected and is arranged with the dolly head 11, and the one side of main rod body 1 is connected and is arranged with the fixed peg 12;
[0020] Referring to Figure 3 The one side of auxiliary rod body 5 is connected and is arranged with the arc-shaped card frame 51, and the one side of embedded groove is provided with the arc-shaped groove 101 corresponding to arc-shaped card frame 51, wherein the radian of arc-shaped card frame 51 and arc-shaped groove 101 is larger, and the axial point is higher than the top of right embrace frame 2 and left embrace frame 6, when installing, the effect of slight rotation can be utilized, arc-shaped card frame 51 is clamped into arc-shaped groove 101, thereby auxiliary rod body 5 is clamped into embedded groove, and right embrace frame 2 and left embrace frame 6 are used to hold the pin.
[0021] Referring to Figure 2 And Figure 3 The bottom of auxiliary rod body 5 is provided with the positioning groove 91, the one end of positioning plate 9 penetrates cavity 8 and is embedded with positioning groove 91, the one end of positioning plate 9 is embedded with positioning groove 91, thereby auxiliary rod body 5 is fixed in embedded groove, and the connection with main rod body 1 is completed.
[0022] Referring to Figure 1 The one side of main rod body 1 is provided with sliding hole, and the one end of dolly head 11 extends to the outside of sliding hole, positioning plate 9 can be actuated by dolly head 11, thereby positioning plate 9 is clamped into positioning groove 91.
[0023] Referring to Figure 3 The one end of fixed peg 12 penetrates connecting end 10 and is provided with limiting groove 121, limiting card frame 13 is embedded and connected in limiting groove 121, after fixed peg 12 penetrates main rod body 1 and connecting end 10, limiting card frame 13 is clamped into limiting groove 121, thereby the position of connecting end 10 is fixed.
[0024] Referring to Figure 3 Left embrace frame 6 and right embrace frame 2 are both provided with wear-resistant layer in the inside, and the service life is guaranteed when using.
[0025] The implementation principle of the present application is that when in use, the right holding frame 2 is clamped to the one side of the pin, then the auxiliary rod body 5 is clamped into the embedded groove, so that the pin is held by the right holding frame 2 and the left holding frame 6, then the connecting clasp 7 is installed in the clamping groove 61, at the same time, the push head 11 is pushed to drive the positioning plate 9 to be clamped into the positioning groove 91, so that the auxiliary rod body 5 is fixed in the embedded groove, finally, the fixing bolt 12 is inserted into the one side of the main rod body 1, the limiting clamping frame 13 is embedded in the limiting groove 121, so that the connecting end 10 is fixed, when disassembling, the limiting clamping frame 13 and the connecting clasp 7 are directly taken off, the fixing bolt 12 is pulled out, the positioning plate 9 can slide out, then the auxiliary rod body 5 and the left holding frame 6 are taken off, and the disassembling is completed.
[0026] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0027] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A piston rod that is easy to separate from the piston, comprising a main rod body (1), characterized in that: The top of the main rod (1) is connected to a right bracket (2), the bottom of the main rod (1) is connected to an upper connecting seat (3), the bottom of the upper connecting seat (3) is connected to a lower connecting seat (4), a fitting groove is opened on one side of the main rod (1), and a secondary rod (5) is connected in the fitting groove. The top of the secondary rod (5) is connected to a left bracket (6). Both the right bracket (2) and the left bracket (6) have slots (61) on both sides, and a connecting ring (7) is connected in the slots (61). A cavity (8) is opened on one side of the main rod (1), and a positioning plate (9) is slidably arranged in the cavity (8). A connecting end (10) is connected to one end of the positioning plate (9), and a toggle head (11) is connected to one side of the connecting end (10). A fixing bolt (12) is connected to one side of the main rod (1).
2. A piston rod that is easy to separate from the piston according to claim 1, characterized in that: An arc-shaped bracket (51) is connected to one side of the auxiliary rod (5), and an arc-shaped groove (101) is opened on one side of the fitting groove corresponding to the arc-shaped bracket (51).
3. A piston rod that is easy to separate from the piston according to claim 1, characterized in that: The bottom end of the auxiliary rod (5) is provided with a positioning groove (91), and one end of the positioning plate (9) passes through the cavity (8) and is fitted with the positioning groove (91).
4. A piston rod that is easy to separate from the piston according to claim 1, characterized in that: A sliding hole is provided on one side of the main rod (1), and one end of the actuating head (11) extends through to the outside of the sliding hole.
5. A piston rod that is easy to separate from the piston according to claim 1, characterized in that: One end of the fixing bolt (12) passes through the connecting end (10) and has a limiting groove (121) therein, and a limiting bracket (13) is embedded in the limiting groove (121).
6. A piston rod that is easy to separate from the piston according to claim 1, characterized in that: Both the left bracket (6) and the right bracket (2) are semi-circular in shape, and both have a wear-resistant layer on their inner sides.