Pressure adjusting equipment for hydraulic cylinder

By setting the counterweight blocks and the internal rods of the rope body in the hydraulic cylinder, combined with the movable curtain protection, the problem of inaccurate pressure adjustment of the hydraulic cylinder is solved, precise control and improved equipment stability are achieved, and it is suitable for a variety of application scenarios.

CN223152450UActive Publication Date: 2025-07-25SUZHOU JINWEIKE HYDRAULIC POWER EQUIP CO LTD
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Patent Information

Application Number
CN202422600889.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-07-25
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

The pressure regulation equipment of existing hydraulic cylinders is difficult to achieve precise control, especially when the pressure is frequently adjusted, the response speed is slow, which affects the system efficiency, and the inertia and compression of the hydraulic system lead to poor stability.

Method used

A pressure adjustment device including an adjustment mechanism and an auxiliary mechanism is designed. By setting a counterweight block and a rod in the rope body in the hydraulic cylinder, the pressure is accurately adjusted using the corresponding relationship between the insert rod and the hole, and a movable curtain is installed on the side plate for protection to prevent rust and corrosion.

Benefits of technology

It realizes precise control of hydraulic cylinder pressure, improves the system's response speed and stability, extends the service life of the equipment, and provides a dry working environment on rainy days, improving work efficiency and comfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides pressure regulating equipment for a hydraulic cylinder, which relates to the technical field of regulating equipment and comprises a regulating mechanism, an auxiliary mechanism is arranged on one side of the regulating mechanism, the regulating mechanism comprises a supporting plate, a side plate is arranged at one end of the supporting plate, one end of the supporting plate is fixedly connected with one side of the side plate, and the other end of the supporting plate is fixedly connected with the other side of the side plate. The inner rod on the rope body is placed in the balancing weights, then the sliding plate is moved when the pressure is adjusted, the inserting rod on the sliding plate corresponds to the hole in the inner rod, if small pressure is needed, the inserting rod only needs to penetrate through the balancing weight on the topmost layer and is clamped into the inner rod, and then the inner rod can be fixed through the sliding plate. In this way, the pressure in the hydraulic cylinder is changed, after the inserting rod penetrates through the balancing weight, the pressurizing state of the hydraulic cylinder can be effectively stabilized, the system is helped to keep stable working pressure in the operation process, and in this way, a user is allowed to accurately control the needed pressure so as to meet specific application requirements.
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Description

Technical Field

[0001] The utility model relates to the technical field of regulating equipment, in particular to a pressure regulating equipment for a hydraulic cylinder. Background Art

[0002] A hydraulic cylinder is a device that converts hydraulic energy into mechanical energy and is mainly used as an actuator to provide linear motion and force. It uses the pressure of a liquid (usually oil) to push a piston, thereby achieving the movement of mechanical equipment.

[0003] In the existing technology, in order to ensure that the hydraulic cylinder can maintain a stable output force and precise motion control under various working conditions, it is usually necessary to be equipped with pressure regulating equipment. However, due to the limitations of the flow characteristics of hydraulic oil, traditional adjustment methods are difficult to achieve precise control of pressure, especially in application scenarios where pressure needs to be frequently adjusted. Moreover, the inertia of the hydraulic system and the compressibility of hydraulic oil may cause the response speed of the regulating equipment to be slow, affecting the working efficiency of the system. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art and provide a pressure regulating equipment for a hydraulic cylinder.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A pressure regulating equipment for a hydraulic cylinder, comprising: a regulating mechanism, with an auxiliary mechanism arranged on one side of the regulating mechanism. The regulating mechanism includes a support plate, one end of the support plate is provided with a side plate, one end of the support plate is fixedly connected to one side of the side plate, a counterweight block is arranged inside the side plate, and one end of the counterweight block is vertically slidably connected to the inside of the side plate. An inner rod is arranged inside the counterweight block, and one end of the inner rod vertically penetrates and is connected to the inside of the counterweight block. One end of the inner rod is provided with a rope body, and one end of the inner rod is fixedly connected to one end of the rope body.

[0006] As a preferred embodiment, the auxiliary mechanism includes a back plate, with a movable curtain arranged inside the back plate. One end of the movable curtain is fixedly connected to the inside of the back plate, and one end of the back plate is fixedly connected to one side of the side plate.

[0007] As a preferred embodiment, a guide rail is arranged on one side of the side plate, with a sliding plate arranged on the inner surface of the guide rail. One end of the sliding plate is slidably connected to the inner surface of the guide rail.

[0008] As a preferred embodiment, a plug rod is arranged inside the sliding plate, and one end of the plug rod penetrates through the inside of the sliding plate and is clamped to the inner surface of the inner rod through the inner wall of the counterweight block.

[0009] As a preferred embodiment, an outer ring is provided inside the top end of the pallet. There is a movable connection between the inside of the top end of the pallet and one side of the outer ring. A worm gear is provided on one side of the outer ring, and one end of the outer ring is fixedly connected to one end of the worm gear.

[0010] As a preferred embodiment, a worm is provided on the outer side of the worm gear. The outer side of the worm gear is meshed and connected with the outer side of the worm. One end of the worm is movably connected to one end of the side surface of the pallet.

[0011] As a preferred embodiment, when a cylinder block is provided inside the outer ring, the inside of the outer ring is fixedly connected to the outer side of the cylinder block. A movable plug is provided on the inner surface of the cylinder block. The inner surface of the cylinder block fits with the outer side of the movable plug. One end of the movable plug is fixedly connected to one end of the rope body.

[0012] As a preferred embodiment, a folding plate is provided on one side of the pallet. One end of the pallet is fixedly connected to one end of the folding plate. One end of the folding plate is in movable contact with the outer side of the rope body. An accumulator is provided on the top side of the folding plate. The top side of the folding plate is in contact with the bottom end of the accumulator. The top end of the accumulator is fixedly connected to the bottom side of the cylinder block.

[0013] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0014] 1. Put the inner rod on the rope body into a plurality of counterweights. Then, when adjusting the pressure, move the sliding plate so that the insertion rod on the sliding plate corresponds to the hole on the inner rod. When a smaller pressure is required, only need to pass the insertion rod through the topmost counterweight and snap it into the inner rod. In this way, the pressure inside the hydraulic cylinder can be changed. After the insertion rod passes through the counterweight, the pressurization state of the hydraulic cylinder can be effectively stabilized, helping the system to maintain a stable working pressure during operation. This method allows users to precisely control the required pressure to meet specific application requirements.

[0015] 2. A back plate is designed on one side of the side plate, and a movable curtain is installed inside the back plate, and the position of the movable curtain is above the cylinder block. In this way, when operating in rainy weather, it can protect each component. Through the protection measures, the rust, corrosion and electrical faults caused by humidity are reduced, thereby prolonging the service life of the equipment and components. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of a pressure regulating device for a hydraulic cylinder provided by the present utility model.

[0017] Figure 2 It is a schematic side-sectional structural diagram of an adjusting mechanism assembly of a pressure regulating device for a hydraulic cylinder provided by the present utility model.

[0018] Figure 3 Schematic diagram of the split structure of the adjustment mechanism assembly of a pressure adjustment device for a hydraulic cylinder provided by the present utility model.

[0019] Figure 4 Schematic side view of the auxiliary mechanism assembly of a pressure adjustment device for a hydraulic cylinder provided by the present utility model.

[0020] Legend:

[0021] 1. Adjustment mechanism; 11. Support plate; 12. Side plate; 13. Counterweight; 14. Inner rod; 15. Rope body; 16. Guide rail; 17. Slide plate; 18. Cylinder block; 19. Movable plug; 110. Outer ring; 111. Worm gear; 112. Worm; 113. Accumulator; 114. Folding plate; 115. Insert rod;

[0022] 2. Auxiliary mechanism; 21. Back plate; 22. Movable curtain. Detailed implementation manners

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1

[0025] As Figures 1 - 3As shown in the figure, the present utility model provides a technical solution: a pressure regulating device for a hydraulic cylinder, including: an adjusting mechanism 1, with an auxiliary mechanism 2 provided on one side of the adjusting mechanism 1. The adjusting mechanism 1 includes a support plate 11, with a side plate 12 provided at one end of the support plate 11. One end of the support plate 11 is fixedly connected to one side of the side plate 12. Inside the side plate 12, there is a counterweight 13. The inside of the side plate 12 is vertically slidably connected to one end of the counterweight 13. Inside the counterweight 13, there is an inner rod 14. One end of the inner rod 14 vertically penetrates and is connected to the inside of the counterweight 13. One end of the inner rod 14 is provided with a rope body 15. One end of the inner rod 14 is fixedly connected to one end of the rope body 15. On one side of the side plate 12, there is a guide rail 16. On the inner surface of the guide rail 16, there is a sliding plate 17. The inner surface of the guide rail 16 is slidably connected to one end of the sliding plate 17. Inside the sliding plate 17, there is an insertion rod 115. One end of the insertion rod 115 penetrates through the inner wall of the counterweight 13 and is clamped to the inner surface of the inner rod 14. Inside the top end of the support plate 11, there is an outer ring 110. The inside of the top end of the support plate 11 is movably connected to one side of the outer ring 110. On one side of the outer ring 110, there is a worm gear 111. One side of the outer ring 110 is fixedly connected to one end of the worm gear 111. On the outside of the worm gear 111, there is a worm 112. The outside of the worm gear 111 is meshed with the outside of the worm 112. One end of the worm 112 is movably connected to one end of the side of the support plate 11. When there is a cylinder block 18 inside the outer ring 110, the inside of the outer ring 110 is fixedly connected to the outside of the cylinder block 18. On the inner surface of the cylinder block 18, there is a movable plug 19. The inner surface of the cylinder block 18 fits with the outside of the movable plug 19. One end of the movable plug 19 is fixedly connected to one end of the rope body 15. On one side of the support plate 11, there is a folding plate 114. One end of the support plate 11 is fixedly connected to one end of the folding plate 114. One end of the folding plate 114 is in movable contact with the outside of the rope body 15. On the top side of the folding plate 114, there is an accumulator 113. The top side of the folding plate 114 is in contact with the bottom end of the accumulator 113. The top end of the accumulator 113 is fixedly connected to the bottom side of the cylinder block 18.

[0026] In this embodiment, when the pressure regulating device of this type of hydraulic cylinder is in use, since there is a movable plug 19 on the inner wall of the hydraulic cylinder body 18 and one end of the movable plug 19 is provided with a rope body 15, therefore, by putting the inner rod 14 on the rope body 15 into a plurality of counterweights 13, then, when adjusting the pressure, the sliding plate 17 is moved so that the insertion rod 115 on the sliding plate 17 corresponds to the hole on the inner rod 14. When a smaller pressure is required, only need to pass the insertion rod 115 through the topmost counterweight and clamp it into the inner rod 14, so as to change the pressure inside the hydraulic cylinder. After the insertion rod 115 passes through the counterweight 13, it can effectively stabilize the pressurization state of the hydraulic cylinder and prevent frequent fluctuations caused by hydraulic changes, which can help the system maintain a stable working pressure during operation. This way allows users to precisely control the required pressure to meet specific application requirements;

[0027] Secondly, rotate the worm 112 so that the worm gear 111 of the outer ring 110 starts to change its angle under the influence of transmission. Since the cylinder block 18 and the outer ring 110 are integrated, during use, the cylinder block 18 can adjust its angle as required, making the entire system more adaptable and suitable for a variety of application scenarios.

[0028] In addition, the accumulator 113 is installed on the bottom side of the cylinder block 18. The accumulator 113 can store the energy in the hydraulic system and release it when needed, relieve the system load, ensure that the hydraulic cylinder obtains additional power in a short time, and enhance the working efficiency.

[0029] Embodiment 2

[0030] As Figures 1 - 4 shown, the auxiliary mechanism 2 includes a back plate 21. An activity curtain 22 is arranged on the inner side of the back plate 21. One end of the activity curtain 22 is fixedly connected to the inner side of the back plate 21. One end of the back plate 21 is fixedly connected to one side of the side plate 12.

[0031] In this embodiment, by designing a back plate 21 on one side of the side plate 12, and installing an activity curtain 22 on the inner side of the back plate 21, and the position of the activity curtain 22 is above the cylinder block 18. In this way, when working in rainy weather, it can protect each component. Through the protection measures, rust, corrosion and electrical failures caused by humidity are reduced, thereby prolonging the service life of the equipment and components. Moreover, a drier working environment is provided for the operator, improving the working comfort and satisfaction.

[0032] The above are only the preferred embodiments of the present invention, and it is not intended to limit the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical content of the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A pressure regulating device for a hydraulic cylinder, characterized in that, Comprising: A regulating mechanism (1), on one side of the regulating mechanism (1) there is an auxiliary mechanism (2). The regulating mechanism (1) includes a supporting plate (11), at one end of the supporting plate (11) there is a side plate (12), one end of the supporting plate (11) is fixedly connected to one side of the side plate (12). Inside the side plate (12) there is a counterweight (13), the inside of the side plate (12) is vertically slidably connected to one end of the counterweight (13). Inside the counterweight (13) there is an inner rod (14), the inside of the counterweight (13) is vertically penetrated and connected to one end of the inner rod (14). At one end of the inner rod (14) there is a rope body (15), one end of the inner rod (14) is fixedly connected to one end of the rope body (15).

2. The pressure regulating device for a hydraulic cylinder according to claim 1, characterized in that: The auxiliary mechanism (2) includes a back plate (21), inside the back plate (21) there is a movable curtain (22), the inside of the back plate (21) is fixedly connected to one end of the movable curtain (22). One end of the back plate (21) is fixedly connected to one side of the side plate (12).

3. A pressure regulating device for a hydraulic cylinder according to claim 1, characterized in that: On one side of the side plate (12) there is a guide rail (16), on the inner surface of the guide rail (16) there is a sliding plate (17), the inner surface of the guide rail (16) is slidably connected to one end of the sliding plate (17).

4. A pressure regulating device for a hydraulic cylinder according to claim 3, characterized in that: Inside the sliding plate (17) there is an insertion rod (115), the inside of the sliding plate (17) is penetrated and connected to one end of the insertion rod (115). One end of the insertion rod (115) passes through the inner wall of the counterweight (13) and is clamped to the inner surface of the inner rod (14).

5. A pressure regulating device for a hydraulic cylinder according to claim 1, characterized in that: Inside the top end of the supporting plate (11) there is an outer ring (110), there is a movable connection between the inside of the top end of the supporting plate (11) and one side of the outer ring (110). On one side of the outer ring (110) there is a worm gear (111), one side of the outer ring (110) is fixedly connected to one end of the worm gear (111).

6. The pressure regulating device for a hydraulic cylinder according to claim 5, wherein: On the outside of the worm gear (111) there is a worm (112), the outside of the worm gear (111) is meshed and connected to the outside of the worm (112). One end of the worm (112) is movably connected to one end of the side of the supporting plate (11).

7. A pressure regulating device for a hydraulic cylinder according to claim 5, characterized in that: When there is a cylinder block (18) inside the outer ring (110), the inside of the outer ring (110) is fixedly connected to the outside of the cylinder block (18). On the inner surface of the cylinder block (18) there is a movable piston (19), the inner surface of the cylinder block (18) fits with the outside of the movable piston (19). One end of the movable piston (19) is fixedly connected to one end of the rope body (15).

8. A pressure regulating device for a hydraulic cylinder according to claim 1, characterized in that: On one side of the supporting plate (11) there is a folding plate (114), one end of the supporting plate (11) is fixedly connected to one end of the folding plate (114). One end of the folding plate (114) is movably in contact with the outside of the rope body (15). On the top side of the folding plate (114) there is an accumulator (113), the top side of the folding plate (114) is in contact with the bottom end of the accumulator (113). The top end of the accumulator (113) is fixedly connected to the bottom side of the cylinder block (18).