Hydraulic oil cylinder body assembly
By using a combination of cleaning cotton blocks and rubber retaining rings in the hydraulic cylinder, the friction problem caused by impurities on the piston rod surface is solved, the sealing performance and stability are improved, and the service life of the hydraulic cylinder is extended.
Patent Information
- Application Number
- CN202423173170.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-23
AI Technical Summary
The piston rod of the existing hydraulic cylinder is prone to impurities adhering to its surface during continuous operation, resulting in greater friction between the piston rod and the cylinder body, affecting the sealing and normal operation.
The combined structure of cleaning cotton blocks and rubber clamps is adopted. By fixing the plug rod and the positioning socket, the piston rod surface is clamped to scrape away dust and impurities, and the connection seat and the thread groove are matched to achieve stable connection and sealing.
Effectively reduce friction loss, ensure stable pressure output, increase service life, and ensure the normal operation of the hydraulic cylinder.
Smart Images

Figure CN223447366U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hydraulic cylinder technical field especially relates to a kind of hydraulic cylinder body assembly. BACKGROUND
[0002] Hydraulic cylinder is a kind of device that can convert hydraulic energy into mechanical energy, when hydraulic oil is pumped into the cavity of hydraulic cylinder, hydraulic oil generates pressure on piston, since liquid is almost incompressible, pressure acts on the effective area of piston, and a thrust will be generated, to push the piston movement, when the piston moves, it can do work outside through the piston rod, such as pushing heavy lifting, if it is double-acting hydraulic cylinder, oil can be fed to the chamber on both sides of the piston, so as to realize the reciprocating motion of the piston.
[0003] But in the prior art, the piston rod of existing hydraulic cylinder is easy to attach more impurities on the surface in the process of continuous work, and it is easy to generate large friction between the piston rod and the cylinder body in a large number of reciprocating movements, so as to cause leakage at the connecting part of the cylinder body, affect the internal sealing, produce pressure fluctuation, and cause the hydraulic cylinder to work abnormally. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the problem that the piston rod of existing hydraulic cylinder is easy to attach more impurities on the surface in the process of continuous work, and it is easy to generate large friction between the piston rod and the cylinder body in a large number of reciprocating movements, so as to cause leakage at the connecting part of the cylinder body, affect the internal sealing, produce pressure fluctuation, and cause the hydraulic cylinder to work abnormally, and proposes a kind of hydraulic cylinder body assembly.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of hydraulic cylinder body assembly, including hydraulic cylinder main body, the hydraulic cylinder main body includes cylinder barrel and piston rod, one end of the piston rod is movably connected to the inner wall of cylinder barrel, one end of the cylinder barrel is fixedly connected with fixed sleeve plate, the fixed sleeve plate is sleeved on the outer wall of piston rod, the outer wall of both sides of the fixed sleeve plate is equipped with support plate, one end of the support plate is fixedly connected with cleaning wool block, one end of the cleaning wool block is attached to the outer wall of piston rod, the outer wall of the fixed sleeve plate is penetrated and is equipped with positioning insertion hole, the inner wall of the positioning insertion hole is equipped with clamping groove, the other end of the outer wall of the support plate is fixedly connected with plug rod, the plug rod is fixedly sleeved with rubber snap ring on the outer wall of one end, the plug rod is inserted in the inner wall of positioning insertion hole, and the rubber snap ring is clamped with the inner wall of clamping groove.
[0006] Preferably, the other end of the outer wall of the cylinder barrel is fixedly connected with connecting seat, the connecting seat includes fixed frame, and the outer wall of the fixed frame is equipped with threaded groove.
[0007] Preferably, the inner wall of the threaded groove is penetrated and is equipped with movable slot, and the inner wall of the movable slot is movably connected with connecting block.
[0008] Preferably, one end of the connecting block is fixedly connected with a rubber pad.
[0009] Preferably, the inner wall of the threaded groove is threadedly connected with an external threaded pressing block.
[0010] Preferably, the outer wall of both ends of the cylinder barrel is fixedly connected with an oil passage.
[0011] Preferably, the bottom end of the piston rod is fixedly connected with a connecting head.
[0012] Compared with the prior art, the utility model has the advantages and positive effects that:
[0013] 1. In the utility model, the two cleaning wool blocks are clamped on the surface of the piston rod by inserting the rod and the rubber snap ring into the positioning hole for fixation, so that the surface dust and impurities of the piston rod are scraped off when the piston rod is recycled and moved, thereby avoiding the impurities from entering the connection part of the cylinder barrel and the piston rod, effectively reducing the friction loss, ensuring stable pressure output work, and prolonging the service life of the utility model.
[0014] 2. In the utility model, the connecting seat is suspendedly connected with the mounting part, the connecting block is pressed in the threaded groove by rotating the external threaded pressing block, thereby controlling the rubber pad to press and fix the connecting surface, so that the connecting seat and the connecting part are fixed, and the user can rotate the external threaded pressing block to control the fixed or movable installation of the connecting seat and the connecting part according to the need, thereby facilitating the user to use. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 A three-dimensional structural schematic view of a hydraulic oil cylinder body assembly is provided for the utility model;
[0016] Figure 2 An exploded view of a connecting seat of a hydraulic oil cylinder body assembly is provided for the utility model;
[0017] Figure 3 A partial structural schematic view of a hydraulic oil cylinder body assembly is provided for the utility model;
[0018] Figure 4 An internal structural schematic view of a fixed sleeve plate of a hydraulic oil cylinder body assembly is provided for the utility model.
[0019] Legend: 1, hydraulic oil cylinder body; 11, cylinder barrel; 12, piston rod; 2, oil passage; 3, connecting head; 4, connecting seat; 41, fixed frame; 42, threaded groove; 43, external threaded pressing block; 44, movable slot; 45, rubber pad; 46, connecting block; 5, support plate; 51, cleaning wool block; 52, inserting rod; 53, rubber snap ring; 6, fixed sleeve plate; 61, positioning hole; 62, clamping groove. DETAILED DESCRIPTION
[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.
[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0022] Example 1: Figure 1 - Figure 4 As shown, the utility model provides a hydraulic cylinder body assembly, including a hydraulic cylinder body 1, the hydraulic cylinder body 1 includes a cylinder barrel 11 and a piston rod 12, one end of the piston rod 12 is movably connected to the inner wall of the cylinder barrel 11, one end of the cylinder barrel 11 is fixedly connected to a fixed sleeve 6, the fixed sleeve 6 is sleeved on the outer wall of the piston rod 12, and support plates 5 are installed on the outer walls of both sides of the fixed sleeve 6, one end of the support plate 5 is fixedly connected to a cleaning cotton block 51, one end of the cleaning cotton block 51 is attached to the outer wall of the piston rod 12, a positioning hole 61 is opened through the outer wall of the fixing sleeve 6, and a card groove 62 is opened on the inner wall of the positioning hole 61, and the other end outer wall of the support plate 5 is fixedly connected to an insertion rod 52, and a rubber clamping ring 53 is fixedly sleeved on the outer wall of one end of the insertion rod 52, and the insertion rod 52 is inserted into the inner wall of the positioning hole 61, and the rubber clamping ring 53 is clamped with the inner wall of the card groove 62.
[0023] The following is a detailed description of the specific settings and functions of this embodiment. By using the insertion rod 52 and the rubber clamp 53 to be inserted into the positioning hole 61 for fixation, the two cleaning cotton pieces 51 are clamped on the surface of the piston rod 12, so that dust and impurities on the surface of the piston rod 12 are scraped off when the piston rod 12 is retracted and moved, thereby preventing impurities from entering the connection between the cylinder 11 and the piston rod 12, effectively reducing friction loss, and increasing the service life of the utility model. By plugging the insertion rod 52 into the positioning hole 61, the user can easily remove the cleaning cotton piece 51 from the fixed sleeve 6 for cleaning.
[0024] Example 2: Figure 1 - Figure 4As shown, the other end outer wall of the cylinder barrel 11 is fixedly connected with a connecting seat 4, the connecting seat 4 comprises a fixing frame 41, a threaded groove 42 is formed in the outer wall of the fixing frame 41, an activity groove 44 is formed in the inner wall of the threaded groove 42, a connecting block 46 is movably connected to the inner wall of the activity groove 44, a rubber pad 45 is fixedly connected to one end of the connecting block 46, an external thread pressing block 43 is threadedly connected to the inner wall of the threaded groove 42, and the two end outer walls of the cylinder barrel 11 are fixedly connected with oil pipes 2, and the bottom end of the piston rod 12 is fixedly connected with a connecting head 3.
[0025] The effect of the whole embodiment is that the connecting seat 4 is suspendedly connected with the installation position, the connecting block 46 is pressed in the threaded groove 42 by rotating the external thread pressing block 43, the rubber pad 45 is controlled to press and fix the connecting surface, the connecting seat 4 is kept fixed with the installation position, the user can rotate the external thread pressing block 43 to control the fixed or movable installation of the connecting seat 4 with the installation position, the user is facilitated to use, the oil pipes 2 are connected with the external oil pump, the oil liquid is controlled to enter and exit through the oil pipes 2 at both ends of the cylinder barrel 11, and the extension and contraction of the piston rod 12 and the connecting head 3 are controlled.
[0026] The use method and working principle of the device are as follows: in use, the oil pipes 2 are connected with the external oil pump, the oil liquid is controlled to enter and exit through the oil pipes 2 at both ends of the cylinder barrel 11, the extension and contraction of the piston rod 12 and the connecting head 3 are controlled, the two cleaning wool blocks 51 are fixed by inserting the inserting rod 52 and the rubber snap ring 53 into the positioning insertion hole 61, the piston rod 12 is clamped by the two cleaning wool blocks 51, the dust and impurities on the surface of the piston rod 12 are scraped off when the piston rod 12 is moved back, the impurities are prevented from entering the connecting position of the cylinder barrel 11 and the piston rod 12, the friction loss is effectively reduced, the inserting rod 52 is inserted into the positioning insertion hole 61, the user can conveniently take down the cleaning wool block 51 from the fixed sleeve plate 6 for cleaning, the connecting seat 4 is suspendedly connected with the installation position, the connecting block 46 is pressed in the threaded groove 42 by rotating the external thread pressing block 43, the rubber pad 45 is controlled to press and fix the connecting surface, the connecting seat 4 is kept fixed with the installation position, the user can rotate the external thread pressing block 43 to control the fixed or movable installation of the connecting seat 4 with the installation position, and the user is facilitated to use.
[0027] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms, any skilled person in the art can modify or change the above disclosed technical content into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still belong to the protection scope of the technical scheme of the present application.
Claims
1. A hydraulic cylinder body assembly, comprising a hydraulic cylinder body (1), characterized in that: The hydraulic cylinder body (1) comprises a cylinder barrel (11) and a piston rod (12), one end of the piston rod (12) is movably connected to the inner wall of the cylinder barrel (11), one end of the cylinder barrel (11) is fixedly connected to a fixed sleeve (6), the fixed sleeve (6) is sleeved on the outer wall of the piston rod (12), and support plates (5) are installed on both sides of the outer wall of the fixed sleeve (6), one end of the support plate (5) is fixedly connected to a cleaning sponge (51), and the cleaning sponge (51) is fixedly connected to the outer wall of the cylinder barrel (11). One end is fitted on the outer wall of the piston rod (12); a positioning hole (61) is provided through the outer wall of the fixed sleeve (6); a clamping groove (62) is provided on the inner wall of the positioning hole (61); an insertion rod (52) is fixedly connected to the outer wall of the other end of the support plate (5); a rubber clamping ring (53) is fixedly sleeved on the outer wall of one end of the insertion rod (52); the insertion rod (52) is inserted into the inner wall of the positioning hole (61), and the rubber clamping ring (53) is clamped to the inner wall of the clamping groove (62).
2. The hydraulic cylinder body assembly according to claim 1, characterized in that: The outer wall of the other end of the cylinder (11) is fixedly connected to a connecting seat (4), and the connecting seat (4) includes a fixing frame (41), and the outer wall of the fixing frame (41) is provided with a threaded groove (42).
3. The hydraulic cylinder body assembly according to claim 2, characterized in that: A movable groove (44) is formed through the inner wall of the thread groove (42), and a connecting block (46) is movably connected to the inner wall of the movable groove (44).
4. The hydraulic cylinder body assembly according to claim 3, characterized in that: One end of the connecting block (46) is fixedly connected to a rubber pad (45).
5. The hydraulic cylinder body assembly according to claim 4, characterized in that: The inner wall of the thread groove (42) is threadedly connected to an external thread pressing block (43).
6. The hydraulic cylinder body assembly according to claim 1, characterized in that: The outer walls at both ends of the cylinder (11) are fixedly connected to oil pipes (2).
7. The hydraulic cylinder body assembly according to claim 1, characterized in that: The bottom end of the piston rod (12) is fixedly connected to a connector (3).