CN220488175U - Double-cylinder pressurized nitrogen shock absorber - Google Patents

Double-cylinder pressurized nitrogen shock absorber Download PDF

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Publication number
CN220488175U
CN220488175U CN202322171171.8U CN202322171171U CN220488175U CN 220488175 U CN220488175 U CN 220488175U CN 202322171171 U CN202322171171 U CN 202322171171U CN 220488175 U CN220488175 U CN 220488175U
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China
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cylinder
nitrogen
thick bamboo
compression cylinder
shock absorber
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CN202322171171.8U
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Chinese (zh)
Inventor
张志样
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Zhejiang Dongpeng Automobile Technology Co ltd
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Zhejiang Dongpeng Automobile Technology Co ltd
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Abstract

The utility model relates to the technical field of nitrogen shock absorbers and discloses a double-cylinder pressurized nitrogen shock absorber which comprises a main compression cylinder, a telescopic rod and an auxiliary compression cylinder, wherein a hinge joint is fixedly arranged at one end of the main compression cylinder and one end of the auxiliary compression cylinder, a piston is arranged at the left end of the telescopic rod and is inserted into an inner cavity of the main compression cylinder, a first nitrogen cylinder is fixedly arranged on the main compression cylinder, the first nitrogen cylinder is communicated with the inner cavity of the main compression cylinder, and a cavity is arranged in the auxiliary compression cylinder and is internally provided with a range-extending piston in a sliding manner. According to the utility model, the front top piece is clamped in place and then fixed on the front end surface of the ejector rod through the set screw, when the compression is needed, the spring is compressed first, the piston at the left end of the telescopic rod moves to compress nitrogen in the first nitrogen cylinder to realize shock absorption, and when a certain compression stroke is reached, the left end of the ejector rod is abutted against the right end of the main compression cylinder, so that the stroke-increasing piston acts to enable the second nitrogen cylinder to participate in compression shock absorption.

Description

Double-cylinder pressurized nitrogen shock absorber
Technical Field
The utility model relates to the technical field of nitrogen shock absorbers, in particular to a double-cylinder pressurized nitrogen shock absorber.
Background
The existing nitrogen gas bumper shock absorber is single-cylinder design, and the damping force of full section in shock attenuation in-process is linear changes, can not satisfy the shock attenuation demand of different road conditions, and the drop is little when urban road surface, needs flexible shock attenuation to experience, and needs stronger shock attenuation effect of holding power in the place that outdoor drop is big, so proposes the present case.
Disclosure of Invention
The utility model aims to solve the technical problems that: in order to overcome the problems presented above, a dual-tube pressurized nitrogen shock absorber is provided that solves the problems presented above.
The utility model solves the technical problems by adopting the following technical scheme:
the utility model provides a binocular pressurization nitrogen shock absorber, includes main compression section of thick bamboo, telescopic link, vice compression section of thick bamboo the main compression section of thick bamboo with the one end of vice compression section of thick bamboo is fixed to be equipped with the articulated joint the left end of telescopic link is equipped with the piston and its cartridge in the inner chamber of main compression section of thick bamboo the fixed first nitrogen inflator that is equipped with on the main compression section of thick bamboo, first nitrogen inflator with the inner chamber intercommunication of main compression section of thick bamboo be equipped with a cavity in the vice compression section of thick bamboo and inside slip is equipped with the range-increasing piston, the outer wall surface of range-increasing piston with the inner wall surface sliding seal connection of vice compression section of thick bamboo, the hole of range-increasing piston with the outer wall surface sliding seal connection of telescopic link.
Preferably, a second nitrogen cylinder is fixedly arranged at the right end of the auxiliary compression cylinder, and the second nitrogen cylinder is communicated with the inner cavity of the auxiliary compression cylinder.
Preferably, the main compression cylinder is fixedly sleeved with a spring limiting end sleeve, and a spring is arranged between the spring limiting end sleeve and the tail end of the auxiliary compression cylinder.
Preferably, the left end face of the auxiliary compression cylinder is provided with two penetrating holes, and the left end face of the range-extending piston is fixedly provided with two ejector rods penetrating out of the penetrating holes.
Preferably, the novel shoe cover further comprises a front top sheet, wherein two screw holes aligned with the ejector rods are formed in the front top sheet, the screw holes are sleeved at the left end of the ejector rods and fixedly connected with the front top sheet through set screws.
Preferably, a single-round-head U-shaped notch is formed in the front top sheet, the diameter of the notch is identical to that of the telescopic rod, and the notch on the front top sheet is aligned with the telescopic rod for assembly during installation.
The utility model has the advantages and positive effects that: the front top piece is clamped in place and then fixed on the front end face of the ejector rod through the set screw, when the front top piece needs to be compressed, the spring is compressed firstly, the piston at the left end of the telescopic rod moves to compress nitrogen in the first nitrogen cylinder to realize shock absorption, after a certain compression stroke is achieved, the left end of the ejector rod is propped against the right end of the main compression cylinder to enable the range-extending piston to act, so that the second nitrogen cylinder participates in compression shock absorption, and compared with the existing single-way compression shock absorber, the device can provide the automobile with the shock absorption with flexible front section and strong supporting force at the shock absorption rear end, so that the comfort is better in the urban driving process, and the supporting strength can be met under the road condition of large field height drop.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic view of the structure of FIG. 2, partially in section;
fig. 4 is a schematic view of the full section A-A of fig. 2.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
Embodiments of the utility model are described in further detail below with reference to the attached drawing figures:
as shown in fig. 1-4, the dual-cylinder pressurized nitrogen shock absorber according to the present utility model comprises a main compression cylinder 10, a telescopic rod 12 and a secondary compression cylinder 13, wherein one end of the main compression cylinder 10 and one end of the secondary compression cylinder 13 are fixedly provided with a hinge joint, the left end of the telescopic rod 12 is provided with a piston and is inserted into an inner cavity of the main compression cylinder 10, a first nitrogen cylinder 14 is fixedly arranged on the main compression cylinder 10, the first nitrogen cylinder 14 is communicated with the inner cavity of the main compression cylinder 10, a cavity is arranged in the secondary compression cylinder 13 and is internally provided with a range-extending piston 16 in a sliding and sealing manner, and an outer wall surface of the range-extending piston 16 is in sliding and sealing connection with an inner wall surface of the secondary compression cylinder 13, and an inner hole of the range-extending piston 16 is in sliding and sealing connection with an outer wall surface of the telescopic rod 12.
Preferably, a second nitrogen cylinder 17 is fixedly arranged at the right end of the auxiliary compression cylinder 13, and the second nitrogen cylinder 17 is communicated with the inner cavity of the auxiliary compression cylinder 13.
Preferably, the main compression cylinder 10 is fixedly sleeved with a spring limiting end sleeve 11, and a spring 15 is arranged between the spring limiting end sleeve 11 and the tail end of the auxiliary compression cylinder 13.
Preferably, two penetrating holes 18 are provided on the left end surface of the auxiliary compression cylinder 13, and two ejector rods 19 penetrating the penetrating holes 18 are fixedly provided on the left end surface of the range-extending piston 16.
Preferably, the front top piece 20 is further included, two screw holes 22 aligned with the ejector rods 19 are formed in the front top piece 20, the screw holes 22 are sleeved at the left end of the ejector rods 19, and the front top piece 20 and the ejector rods 19 are fixedly connected through set screws 21.
Preferably, the front top sheet 20 is provided with a single-round-head U-shaped notch, the diameter of the notch is identical to that of the telescopic rod 12, and the notch on the front top sheet 20 can be aligned with the telescopic rod 12 for assembly during installation, so that the assembly is very convenient.
During implementation, the front top piece 20 is clamped in place and then fixed on the front end face of the ejector rod 19 through the set screw 21, when the front top piece is required to be compressed, the spring 15 is compressed firstly, the piston at the left end of the telescopic rod 12 moves to compress nitrogen in the first nitrogen cylinder 14 to realize shock absorption, after a certain compression stroke is achieved, the left end of the ejector rod 19 is propped against the right end of the main compression cylinder 10, and then the stroke-increasing piston 16 acts to enable the second nitrogen cylinder 17 to participate in compression shock absorption, and compared with the conventional single-stroke compression shock absorber, the device can provide the automobile with the shock absorption with high supporting force of the front-section flexible shock absorption rear end, so that the comfort is better in the urban driving process and the supporting strength under the road conditions of high and low drop in the open-air can be met.
It should be emphasized that the examples described herein are illustrative rather than limiting, and therefore the utility model is not limited to the examples described in the detailed description, but rather falls within the scope of the utility model as defined by other embodiments derived from the technical solutions of the utility model by those skilled in the art.

Claims (6)

1. A double-cylinder pressurized nitrogen shock absorber is characterized in that: including main compression section of thick bamboo (10), telescopic link (12), auxiliary compression section of thick bamboo (13) main compression section of thick bamboo (10) with the one end of auxiliary compression section of thick bamboo (13) is fixed and is equipped with the articulated joint the left end of telescopic link (12) is equipped with the piston and its cartridge is in the inner chamber of main compression section of thick bamboo (10) is last to be fixed to be equipped with first nitrogen cylinder (14), first nitrogen cylinder (14) with the inner chamber intercommunication of main compression section of thick bamboo (10) be equipped with a cavity in auxiliary compression section of thick bamboo (13) and inside slip is equipped with increase journey piston (16), increase the outer wall of journey piston (16) with the inner wall sliding seal of auxiliary compression section of thick bamboo (13), increase the hole of journey piston (16) with the outer wall sliding seal of telescopic link (12) connects.
2. A dual-tube pressurized nitrogen shock absorber as defined in claim 1, wherein: the right end of the auxiliary compression cylinder (13) is fixedly provided with a second nitrogen cylinder (17), and the second nitrogen cylinder (17) is communicated with the inner cavity of the auxiliary compression cylinder (13).
3. A dual-tube pressurized nitrogen shock absorber as defined in claim 2, wherein: the main compression cylinder (10) is fixedly sleeved with a spring limiting end sleeve (11), and a spring (15) is arranged between the spring limiting end sleeve (11) and the tail end of the auxiliary compression cylinder (13).
4. A dual-tube pressurized nitrogen shock absorber as defined in claim 3, wherein: the left end face of the auxiliary compression cylinder (13) is provided with two penetrating holes (18), and the left end face of the range-extending piston (16) is fixedly provided with two ejector rods (19) penetrating out of the penetrating holes (18).
5. A dual cylinder pressurized nitrogen shock absorber according to claim 4 wherein: the novel plastic composite material is characterized by further comprising a front top sheet (20), wherein two screw holes (22) aligned with the ejector rods (19) are formed in the front top sheet (20), the screw holes (22) are sleeved at the left ends of the ejector rods (19) and fixedly connected with the front top sheet (20) and the ejector rods (19) through set screws (21).
6. A dual cylinder pressurized nitrogen shock absorber according to claim 5 wherein: the front top piece (20) is provided with a U-shaped notch with a single round head, the diameter of the notch is identical to that of the telescopic rod (12), and the notch on the front top piece (20) is aligned with the telescopic rod (12) for assembly during installation.
CN202322171171.8U 2023-08-11 2023-08-11 Double-cylinder pressurized nitrogen shock absorber Active CN220488175U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322171171.8U CN220488175U (en) 2023-08-11 2023-08-11 Double-cylinder pressurized nitrogen shock absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322171171.8U CN220488175U (en) 2023-08-11 2023-08-11 Double-cylinder pressurized nitrogen shock absorber

Publications (1)

Publication Number Publication Date
CN220488175U true CN220488175U (en) 2024-02-13

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ID=89830684

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322171171.8U Active CN220488175U (en) 2023-08-11 2023-08-11 Double-cylinder pressurized nitrogen shock absorber

Country Status (1)

Country Link
CN (1) CN220488175U (en)

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