Novel hydraulic damper

By setting the damping tube in the cylinder of the hydraulic damper, the piston and damping tube are movably combined, the problem of mechanical friction between the piston and the inner wall of the cylinder is solved, and the effect of preventing wear is achieved.

CN222798018UActive Publication Date: 2025-04-25HANGZHOU HUADING NEW ENERGY CO LTD
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Patent Information

Application Number
CN202421715999.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-18
Publication Date
2025-04-25
Estimated Expiration
2034-07-18

AI Technical Summary

Technical Problem

When the existing hydraulic dampers are working, due to the radial force applied to the piston rod, mechanical friction between the inner wall of the piston and the cylinder barrel will cause wear.

Method used

A new type of hydraulic damper is designed. By setting several damping tubes in the cylinder, the piston and damping tubes are movably matched, the damping tubes have a guiding effect on the piston, reducing the mechanical friction between the piston and the inner wall of the cylinder.

Benefits of technology

It effectively prevents wear of pistons and cylinders, and improves the service life and stability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel hydraulic damper, and relates to the technical field of hydraulic dampers. The piston is positioned in the cylinder barrel; the piston rod is connected with the piston; the damping pipes are arranged in the cylinder barrel, each damping pipe is provided with a first damping hole, a damping channel and a second damping hole, the damping channel is communicated with the first damping hole and the second damping hole, the first damping hole is communicated with the interior of one end of the cylinder barrel, and the second damping hole is communicated with the interior of the other end of the cylinder barrel; wherein the piston is movably matched with the damping tubes. The utility model has the technical effect that the piston and the cylinder barrel can be conveniently prevented from being abraded.
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Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic dampers, in particular to a novel hydraulic damper. Background Art

[0002] Hydraulic damper is a device used to achieve smooth and slow mechanical movement through the resistance of liquid medium, and is widely used in the field of photovoltaic power generation.

[0003] The relevant hydraulic damper generally includes a cylinder, a piston and a piston rod. When working, the radial force applied to the piston rod will cause mechanical friction between the inner wall of the piston and the cylinder, thereby causing wear of the piston and the cylinder. Utility Model Content

[0004] In view of the above technical problems, the utility model provides a novel hydraulic damper, which is convenient for preventing the piston and the cylinder from being worn.

[0005] In order to solve the above problems, the technical solution provided by the utility model is:

[0006] A novel hydraulic damper, comprising:

[0007] Cylinder barrel;

[0008] a piston located within the cylinder;

[0009] a piston rod connected to the piston;

[0010] A plurality of damping tubes are arranged in the cylinder, wherein the damping tubes are provided with a first damping hole, a damping channel and a second damping hole, wherein the damping channel is connected with the first damping hole and the second damping hole, wherein the first damping hole is connected with the interior of one end of the cylinder, and the second damping hole is connected with the interior of the other end of the cylinder;

[0011] Wherein, the piston and the plurality of damping tubes are movably matched.

[0012] Optionally, it further includes a plurality of mounting holes provided on the piston, the damping tube passes through the corresponding mounting holes, and the piston can move along the length direction of the damping tube.

[0013] Optionally, the plurality of mounting holes are evenly distributed along the circumference of the piston.

[0014] Optionally, the cylinder comprises:

[0015] Cylinder;

[0016] an end cap connected to one end of the cylinder;

[0017] Wherein, the piston is movably located in the cylinder, the plurality of damping tubes are all located in the cylinder, the first damping hole is internally connected to one end of the cylinder, the second damping hole is internally connected to the other end of the cylinder, and the piston rod is movably sleeved in the end cover.

[0018] Optionally, the cylinder barrel further comprises:

[0019] A breathing hole provided on the cylinder;

[0020] A breathing valve connected to the cylinder can control whether the breathing hole is connected to the outside of the cylinder.

[0021] Optionally, the cylinder barrel further includes an oil seal, which is movably sleeved on the piston rod; the oil seal is located between the piston rod and the end cover.

[0022] Optionally, the cylinder further includes a first lifting ear connected to the other end of the cylinder body.

[0023] Optionally, it also includes a second lifting ear connected to an end of the piston rod away from the piston.

[0024] Optionally, it also includes an anti-wear ring and a first sealing ring arranged outside the piston, and the anti-wear ring and the first sealing ring are movably matched with the inner wall of the cylinder.

[0025] Optionally, it also includes a plurality of second sealing rings disposed in the piston, wherein the second sealing rings are located between the piston and the damping tube, and the second sealing rings are correspondingly and movably matched with the damping tube.

[0026] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects: the damping tube is used to carry the first damping hole, the damping channel and the second damping hole, and the first damping hole, the damping channel and the second damping hole are all used to circulate liquid medium, so as to facilitate the generation of damping. Since the piston and the plurality of damping tubes are all movably matched, it is convenient for the plurality of damping tubes to guide the piston, thereby preventing mechanical friction between the piston and the inner wall of the cylinder, thereby preventing the piston and the cylinder from being worn. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is one of the structural schematic diagrams of a novel hydraulic damper proposed in an embodiment of the utility model;

[0028] Figure 2 The second structural schematic diagram of a novel hydraulic damper proposed in the embodiment of the utility model;

[0029] Figure 3 This is one of the structural schematic diagrams of the cylinder barrel proposed in the embodiment of the utility model;

[0030] Figure 4 A schematic diagram of the structure of the piston and the piston rod proposed in the embodiment of the utility model;

[0031] Figure 5 This is the second structural schematic diagram of the cylinder barrel proposed in the embodiment of the utility model;

[0032] In the figure: 1. cylinder barrel; 11. cylinder body; 12. end cover; 13. breathing hole; 14. breathing valve; 15. oil seal; 16. first lifting ear; 2. piston; 21. mounting hole; 3. piston rod; 31. second lifting ear; 4. damping tube; 41. first damping hole; 42. second damping hole; 43. damping channel; 5. anti-wear ring; 61. first sealing ring; 62. second sealing ring. DETAILED DESCRIPTION

[0033] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.

[0034] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It should also be noted that, for the convenience of description, only the parts related to the utility model are shown in the accompanying drawings. The words "first", "second", etc. described in the present utility model are set for the convenience of describing the technical solution of the present utility model, and have no specific limiting effect. They are all general references and do not constitute a limiting effect on the technical solution of the present utility model. It should be noted that, in the absence of conflict, the embodiments and features in the embodiments in the present application can be combined with each other. In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be a connection between the insides of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Multiple technical solutions in the same embodiment, and multiple technical solutions in different embodiments, can be arranged and combined to form new technical solutions that do not have contradictions or conflicts, all of which are within the scope of protection required by the present utility model.

[0035] Example 1

[0036] Combined with Figure 1-5 , this embodiment provides a new type of hydraulic damper, including:

[0037] Cylinder 1;

[0038] A piston 2 located in the cylinder;

[0039] A piston rod 3 connected to the piston 2;

[0040] A plurality of damping tubes 4 are arranged in the cylinder 1, wherein the damping tube 4 is provided with a first damping hole 41, a damping channel 43 and a second damping hole 42, the damping channel 43 is connected with the first damping hole 41 and the second damping hole 42, the first damping hole 41 is connected with the interior of one end of the cylinder 1, and the second damping hole 42 is connected with the interior of the other end of the cylinder 1;

[0041] The piston 2 and the plurality of damping tubes 4 are movably matched.

[0042] Specifically, the cylinder 1 is used to accommodate a piston 2, a piston rod 3 and a plurality of damping tubes 4, etc.; the piston 2 and the piston rod 3 are used to cooperate with the cylinder 1 to realize the extension and retraction of the novel hydraulic damper of the present application; the damping tube 4 is used to carry a first damping hole 41, a damping channel 43 and a second damping hole 42, and the first damping hole 41, the damping channel 43 and the second damping hole 42 are all used to circulate liquid medium, so as to facilitate the generation of damping. Since the piston 2 and the plurality of damping tubes 4 are all movably cooperated, it is convenient for the plurality of damping tubes 4 to guide the piston 2, thereby preventing mechanical friction between the piston 2 and the inner wall of the cylinder 1, thereby preventing the piston 2 and the cylinder 1 from being worn. Among them, the number of damping tubes 4 is not limited, and can be two, three, etc., preferably two.

[0043] Further, such as Figure 1 and 4 , and also includes a plurality of mounting holes 21 provided on the piston 2 , the damping tube 4 passes through the corresponding mounting holes 21 , and the piston 2 can move along the length direction of the damping tube 4 .

[0044] Specifically, the plurality of mounting holes 21 are used to correspondingly accommodate a plurality of damping tubes 4 .

[0045] Further, such as Figure 4 , a plurality of mounting holes 21 are evenly distributed along the circumference of the piston 2 .

[0046] Specifically, the circumferential uniform distribution facilitates increasing the force uniformity of the piston 2 .

[0047] Further, such as Figure 1 , the cylinder 1 comprises:

[0048] Cylinder 11;

[0049] An end cap 12 connected to one end of the cylinder 11;

[0050] Among them, the piston 2 is located in the cylinder 11, the plurality of damping tubes 4 are all located in the cylinder 11, the first damping hole 41 is connected to the interior of one end of the cylinder 11, the second damping hole 42 is connected to the interior of the other end of the cylinder 11, and the piston rod 3 is movably sleeved in the end cover 12.

[0051] Specifically, the barrel 11 and the end cover 12 are used to form the cylinder 1 together.

[0052] Further, such as Figure 1 , the cylinder barrel 1 also includes:

[0053] A breathing hole 13 provided on the cylinder 11;

[0054] A breathing valve 14 is connected to the cylinder 11 , and the breathing valve 14 can control whether the breathing hole 13 is connected to the outside of the cylinder 11 .

[0055] Specifically, the breathing hole 13 and the breathing valve 14 are used to jointly realize air compensation inside and outside the cylinder 11, wherein the breathing valve 14 can be a stainless steel breathing valve, a carbon steel breathing valve, etc.

[0056] Further, such as Figure 1 The cylinder barrel 1 further includes an oil seal 15 , which is movably sleeved on the piston rod 3 ; the oil seal 15 is located between the piston rod 3 and the end cover 12 .

[0057] Specifically, the oil seal 15 is used to increase the sealing between one end of the cylinder 11 and the end cover 12 to prevent the liquid medium in the cylinder 11 from overflowing. The material of the oil seal 15 can be silicone rubber, fluororubber, etc.

[0058] Further, such as Figure 1 The cylinder 1 also includes a first lifting ear 16 connected to the other end of the cylinder body 11.

[0059] Specifically, the first lifting lug 16 facilitates the installation of the cylinder barrel 1 .

[0060] Further, such as Figure 4 , and also includes a second lifting ear 31 connected to the end of the piston rod 3 away from the piston 2.

[0061] Specifically, the second lifting ear 31 facilitates the installation of the piston rod 3 .

[0062] Further, such as Figure 4 , and also includes an anti-wear ring 5 and a first sealing ring 61 arranged outside the piston 2. The anti-wear ring 5 and the first sealing ring 61 are both movably matched with the inner wall of the cylinder 1.

[0063] Specifically, the anti-wear ring 5 is used to cooperate with the inner wall of the cylinder 1 to prevent mechanical friction between the piston 2 and the inner wall of the cylinder 1, and further prevent the piston 2 and the cylinder 1 from being worn; the first sealing ring 61 is used to increase the sealing performance between the piston 2 and the inner wall of the cylinder 1, and the material of the first sealing ring 61 can be silicone rubber, fluororubber, etc.

[0064] Further, such as Figure 4 , and also includes a plurality of second sealing rings 62 arranged in the piston 2. The second sealing rings 62 are located between the piston 2 and the damping tube 4. The second sealing rings 62 and the damping tube 4 are correspondingly and movably matched.

[0065] Specifically, the second sealing ring 62 is specifically connected to the mounting hole 21 . The second sealing ring 62 is used to increase the sealing performance between the damping tube 4 and the mounting hole 21 . The material of the second sealing ring 62 can be silicone rubber, fluororubber, etc.

[0066] The above schematically describes the present invention and its implementation methods, which are not restrictive. The drawings show only one implementation method of the present invention, and the actual structure is not limited thereto. Therefore, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. A new type of hydraulic damper, characterized in that: include: Cylinder barrel; a piston located within the cylinder; a piston rod connected to the piston; A plurality of damping tubes are arranged in the cylinder, wherein the damping tubes are provided with a first damping hole, a damping channel and a second damping hole, wherein the damping channel is connected with the first damping hole and the second damping hole, wherein the first damping hole is connected with the interior of one end of the cylinder, and the second damping hole is connected with the interior of the other end of the cylinder; Wherein, the piston and the plurality of damping tubes are movably matched.

2. A novel hydraulic damper according to claim 1, characterized in that: It also includes a plurality of mounting holes arranged on the piston, the damping tube passes through the corresponding mounting holes, and the piston can move along the length direction of the damping tube.

3. A novel hydraulic damper according to claim 2, characterized in that: The plurality of mounting holes are evenly distributed along the circumference of the piston.

4. A novel hydraulic damper according to any one of claims 1 to 3, characterized in that: The cylinder comprises: Cylinder; an end cap connected to one end of the cylinder; Wherein, the piston is movably located in the cylinder, the plurality of damping tubes are all located in the cylinder, the first damping hole is internally connected to one end of the cylinder, the second damping hole is internally connected to the other end of the cylinder, and the piston rod is movably sleeved in the end cover.

5. A novel hydraulic damper according to claim 4, characterized in that: The cylinder barrel also includes: A breathing hole provided on the cylinder; A breathing valve connected to the cylinder can control whether the breathing hole is connected to the outside of the cylinder.

6. A novel hydraulic damper according to claim 4, characterized in that: The cylinder barrel further comprises an oil seal, which is movably sleeved on the piston rod; the oil seal is located between the piston rod and the end cover.

7. A novel hydraulic damper according to claim 4, characterized in that: The cylinder also includes a first lifting ear connected to the other end of the cylinder body.

8. A novel hydraulic damper according to any one of claims 1 to 3, characterized in that: It also includes a second lifting ear connected to an end of the piston rod away from the piston.

9. A novel hydraulic damper according to any one of claims 1 to 3, characterized in that: It also includes an anti-wear ring and a first sealing ring arranged outside the piston, and the anti-wear ring and the first sealing ring are movably matched with the inner wall of the cylinder.

10. A novel hydraulic damper according to any one of claims 1 to 3, characterized in that: It also includes a plurality of second sealing rings arranged in the piston, wherein the second sealing rings are located between the piston and the damping tube, and the second sealing rings are movably matched with the damping tube.