CN210510093U - Damper with adjustable hydraulic compression limiting mechanism - Google Patents

Damper with adjustable hydraulic compression limiting mechanism Download PDF

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Publication number
CN210510093U
CN210510093U CN201921541368.3U CN201921541368U CN210510093U CN 210510093 U CN210510093 U CN 210510093U CN 201921541368 U CN201921541368 U CN 201921541368U CN 210510093 U CN210510093 U CN 210510093U
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China
Prior art keywords
cylinder body
loop
piston rod
damper
coplanar
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CN201921541368.3U
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Chinese (zh)
Inventor
陈国强
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Guangzhou duonai Damping Technology Co., Ltd
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Guangzhou Multi-Shock Absorption Technology Co Ltd
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Abstract

The utility model discloses a damper with an adjustable hydraulic compression limiting mechanism, which comprises a passage piston rod, wherein the tail end of the passage piston rod is fixedly inserted in a piston connecting seat, the other end of the passage piston rod is positioned in a cylinder body, the cylinder body is a cylindrical hollow cylinder, and a cylinder body connecting seat and a cylinder body end cover are respectively arranged at the two ends of the cylinder body, the cylinder body end cover is arranged close to the piston connecting seat, and the passage piston rod is inserted in the cylinder body end cover and is in sliding connection with the cylinder body end cover; the channel piston rod is hollow inside, a plurality of through holes are formed in the front section of the channel piston rod along the circumferential direction, and a loop non-coplanar piston valve seat is sleeved at the front end of the channel piston rod; the utility model designs the side surface of the groove in the connecting seat of the cylinder body into a conical surface, which buffers the limit compression force received by the damper, avoids the damper and the vehicle suspension component from being greatly impacted, and improves the riding comfort of the vehicle; meanwhile, the proper compression damping is adjusted according to different working conditions or vehicle types, and the damping effect of the damper is improved.

Description

Damper with adjustable hydraulic compression limiting mechanism
Technical Field
The utility model relates to an automobile damper technique specifically is a attenuator with adjustable hydraulic pressure compression stop gear.
Background
Dampers are often required in production and social activities, such as dampers for automobile and motorcycle suspension, train suspension dampers, aircraft landing gear, and the like; the automobile damper is used as the most important ring in a vehicle vibration filtering system and mainly plays a role in absorbing vibration and impact generated by uneven road surface when a vehicle runs; when the suspension compresses the damper to the limit in the running process of the vehicle, the force value changes suddenly, the riding comfort is poor, and the damage to the suspension and the damper is large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a attenuator with adjustable hydraulic pressure compression stop gear to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a damper with an adjustable hydraulic compression limiting mechanism comprises a channel piston rod, wherein the tail end of the channel piston rod is fixedly inserted in a piston connecting seat, the other end of the channel piston rod is positioned in a cylinder body, the cylinder body is a cylindrical hollow cylinder, a cylinder body connecting seat and a cylinder body end cover are respectively arranged at two ends of the cylinder body, the cylinder body end cover is arranged close to the piston connecting seat, and the channel piston rod is inserted in the cylinder body end cover and is in sliding connection with the cylinder body end cover; the piston rod of the channel is hollow, a plurality of through holes are formed in the front section of the piston rod of the channel along the circumferential direction, a return non-coplanar piston valve seat is sleeved at the front end of the piston rod of the channel, the return non-coplanar piston valve seat is in a shape like a Chinese character 'JI', a sliding ring is embedded outside the maximum diameter position of the piston rod of the channel, an O-shaped ring is arranged between the sliding ring and the return non-coplanar piston valve seat, the sliding ring is in sliding connection with the return non-coplanar piston valve seat and is fixed on the inner wall of the cylinder body, a compression valve sheet protection gasket is further sleeved on the piston rod of the channel, a compression valve sheet is arranged between the compression valve sheet protection gasket and the return non-coplanar piston valve seat, a return adjustable valve body is arranged in the return non-coplanar piston valve seat, an adjusting structure is arranged on the connecting seat of the cylinder body, the connecting seat of the, the adjustment structure interfaces with the groove for selecting a void on the bottom surface of the groove having four apertures of different sizes.
The adjusting structure is provided with an adjusting handle positioned on the side surface of the connecting seat of the cylinder body, and the adjusting handle is a cylindrical rod; one end of the loop adjustable valve body is inserted into the channel piston rod, a tower spring which abuts against the front end of the interior of the loop non-coplanar piston valve seat is sleeved on the outer wall of the loop adjustable valve body, a clamp spring is arranged at the contact position of the front end of the interior of the non-coplanar piston valve seat and the tower spring, and an extension valve plate is arranged at the other end of the tower spring; the non-coplanar piston valve seat of the return circuit is fixedly connected with the piston rod of the passage through a set screw, and the inner wall of the non-coplanar piston valve seat of the return circuit and the outer wall of the piston rod of the passage are both provided with threads for convenient connection and installation.
As the preferred scheme of the utility model: the front end of the loop adjustable valve body is provided with a loop adjustable valve body fixing nut used for fixing and adjusting the loop adjustable valve body, and the loop adjustable valve body fixing nut is in threaded connection with the loop adjustable valve body.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model designs the side surface of the groove in the connecting seat of the cylinder body into a conical surface, which buffers the limit compression force received by the damper, avoids the damper and the vehicle suspension component from being greatly impacted, and improves the riding comfort of the vehicle; meanwhile, the proper compression damping is adjusted according to different working conditions or vehicle types, and the damping effect of the damper is improved.
Drawings
Fig. 1 is an overall structure diagram of the present invention.
Fig. 2 is an enlarged view of the adjustable structure of the present invention.
Fig. 3 is a schematic view of a conical surface of the middle connecting seat of the cartridge body of the present invention.
Fig. 4 is a position diagram of the adjusting handle of the present invention.
In the figure, 1-channel piston rod, 2-compression valve plate protection gasket, 3-compression valve plate, 4-sliding ring, 5-O-shaped ring, 6-loop non-coplanar piston valve seat, 7-loop adjustable valve body, 8-piston connecting seat, 9-barrel connecting seat, 10-barrel, 11-barrel end cover, 12-extension valve plate, 13-tower spring, 14-snap spring, 15-set screw, 16-loop adjustable valve body fixing nut, 17-adjusting structure, 18-adjusting handle and 19-piston.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-4, a damper with an adjustable hydraulic compression limiting mechanism comprises a channel piston rod 1, wherein the tail end of the channel piston rod 1 is fixedly inserted into a piston connecting seat 8, the other end of the channel piston rod is positioned in a cylinder 10, the cylinder 10 is a cylindrical hollow cylinder, a cylinder connecting seat 9 and a cylinder end cover 11 are respectively arranged at two ends of the cylinder 10, the cylinder end cover 11 is arranged close to the piston connecting seat 8, and the channel piston rod 1 is inserted into the cylinder end cover 11 and is in sliding connection with the cylinder end cover 11; the channel piston rod 1 is hollow and provided with a plurality of through holes at the front section thereof along the circumferential direction, the front end of the channel piston rod 1 is sleeved with a loop non-coplanar piston valve seat 6, the loop non-coplanar piston valve seat 6 is in a shape of a Chinese character 'JI', a sliding ring 4 is embedded at the outer side of the maximum diameter position, an O-shaped ring 5 is arranged between the sliding ring 4 and the loop non-coplanar piston valve seat 6, the sliding ring 4 is in sliding connection with the loop non-coplanar piston valve seat 6, the sliding ring 4 is fixed on the inner wall of a cylinder body 10, the channel piston rod 1 is further sleeved with a compression valve plate protective gasket 2, a compression valve plate 3 is arranged between the compression valve plate protective gasket 2 and the loop non-coplanar piston valve seat 6, a loop adjustable valve body 7 is arranged in the loop non-coplanar piston valve seat 6, a conical surface adjusting structure 17 is arranged on the cylinder body connecting seat 9, the cylinder body connecting seat 9 is provided with a, the recess opening is from last to crescent down, adjusts structure 17 and recess butt joint and is used for selecting the space of grooved underside, the grooved underside has four different apertures of size, can select the different aperture of grooved underside through adjusting structure 17 to realize regulatory function.
Furthermore, the adjusting structure 17 is provided with an adjusting handle 18 positioned on the side surface of the barrel connecting seat 9, and the adjusting handle 18 is a cylindrical rod.
Specifically, one end of the loop adjustable valve body 7 is inserted into the channel piston rod 1, a tower spring 13 abutting against the front end inside the loop non-coplanar piston valve seat 6 is sleeved on the outer wall of the loop adjustable valve body 7, a clamp spring 14 is arranged at the contact position of the front end inside the non-coplanar piston valve seat 6 and the tower spring 13, the clamp spring 14 is used for abutting against the tower spring 13, and an extension valve plate 12 is arranged at the other end of the tower spring 13.
Specifically, the non-coplanar piston valve seat 6 of the loop is fixedly connected with the channel piston rod 1 through a set screw 15, and threads are arranged on the inner wall of the non-coplanar piston valve seat 6 of the loop and the outer wall of the channel piston rod 1 to facilitate connection and installation.
The utility model discloses a working process: when the automobile damper is used, the fixed seat 1 is connected with an automobile chassis, the damper shell is connected with a suspension part on the automobile chassis, a buffer spring on an automobile is sleeved on the shell, and the buffer spring is connected with the fixed seat 1; when an automobile runs on an uneven road surface, the automobile body jolts, when the automobile runs downwards, the buffer spring is stressed to drive the automobile body to slowly run downwards, at the moment, the compression stroke is adopted, the piston rod 1 runs upwards to drive the piston valve seat 6 to run upwards, and a part of oil in the inner cavity of the cylinder body 10 opens the compression valve plate 3 and enters the part below the piston valve seat 6; the other part of the oil flows into the oil pipe or the part below the piston valve seat 6 through the hole on the bottom surface of the concave groove in the connecting seat 9 of the cylinder body; when the piston valve seat 6 moves upwards to the groove of the cylinder body connecting seat 9, the side surface of the groove is a conical surface, the groove is narrower upwards, the gap between the piston valve seat 6 and the groove is smaller and smaller, the damping of the compressed oil is larger and larger, and the compression force applied to the damper is buffered, so that the damper and a connected suspension component are protected from being impacted; on the other hand, different gears (total four-stage gear adjustment) are selected through the adjusting structure 17, the pore space for the circulation of hydraulic oil is adjusted, and the pore spaces with different sizes in the bottom surface of the groove control the size of the flow damping of the oil liquid, so that the purpose of adjusting the compression damping is achieved.
Example 2:
on the basis of embodiment 1, the front end of the loop-adjustable valve body 7 is provided with a loop-adjustable valve body fixing nut 16 for fixing and adjusting the loop-adjustable valve body 7, the loop-adjustable valve body fixing nut 16 can fix the loop-adjustable valve body 7 and adjust the length of the loop-adjustable valve body inserted into the channel piston rod 1, and the loop-adjustable valve body fixing nut 16 is in threaded connection with the loop-adjustable valve body 7.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. A damper with an adjustable hydraulic compression limiting mechanism comprises a channel piston rod (1), wherein the tail end of the channel piston rod (1) is fixedly inserted into a piston connecting seat (8), the other end of the channel piston rod is positioned in a cylinder body (10), the cylinder body (10) is a cylindrical hollow cylinder, a cylinder body connecting seat (9) and a cylinder body end cover (11) are respectively arranged at two ends of the cylinder body (10), the cylinder body end cover (11) is arranged close to the piston connecting seat (8), and the channel piston rod (1) is inserted into the cylinder body end cover (11) and is in sliding connection with the cylinder body end cover; the device is characterized in that the channel piston rod (1) is hollow and provided with a plurality of through holes at the front section along the circumferential direction, the front end of the channel piston rod (1) is sleeved with a loop non-coplanar piston valve seat (6), the loop non-coplanar piston valve seat (6) is in a shape of a herringbone, a sliding ring (4) is embedded outside the maximum diameter position, an O-shaped ring (5) is arranged between the sliding ring (4) and the loop non-coplanar piston valve seat (6), the sliding ring (4) is in sliding connection with the loop non-coplanar piston valve seat (6), the sliding ring (4) is fixed on the inner wall of a cylinder body (10), the channel piston rod (1) is further sleeved with a compression valve plate protection gasket (2), a compression valve plate (3) is arranged between the compression valve plate protection gasket (2) and the loop non-coplanar piston valve seat (6), and a loop adjustable valve body (7) is arranged in the loop non-coplanar piston valve seat (6), be provided with on stack shell connecting seat (9) and adjust structure (17), stack shell connecting seat (9) have the recess, and the side of recess is the conical surface of width under the narrow, and the groove opening is from last to crescent down, adjusts structure (17) and recess butt joint and is used for selecting the space of recess bottom surface, the recess bottom surface has four different hole sizes.
2. A damper with adjustable hydraulic compression limiting mechanism according to claim 1, characterized in that the adjusting structure (17) has an adjusting handle (18) at the side of the barrel connecting seat (9), and the adjusting handle (18) is a cylindrical rod.
3. The damper with the adjustable hydraulic compression limiting mechanism according to claim 1 or 2, wherein one end of the loop adjustable valve body (7) is inserted into the channel piston rod (1), a tower spring (13) abutting against the front end inside the loop non-coplanar piston valve seat (6) is sleeved on the outer wall of the loop adjustable valve body (7), a clamp spring (14) is arranged at the contact position of the front end inside the non-coplanar piston valve seat (6) and the tower spring (13), and a tension valve plate (12) is arranged at the other end of the tower spring (13).
4. The damper with the adjustable hydraulic compression limiting mechanism is characterized in that the non-coplanar piston valve seat (6) of the loop is fixedly connected with the channel piston rod (1) through a set screw (15), and the inner wall of the non-coplanar piston valve seat (6) of the loop and the outer wall of the channel piston rod (1) are both provided with threads.
5. The damper with the adjustable hydraulic compression limiting mechanism as claimed in claim 1 or 2, wherein the front end of the loop adjustable valve body (7) is provided with a loop adjustable valve body fixing nut (16) for fixing and adjusting the loop adjustable valve body, and the loop adjustable valve body fixing nut (16) is in threaded connection with the loop adjustable valve body (7).
CN201921541368.3U 2019-09-17 2019-09-17 Damper with adjustable hydraulic compression limiting mechanism Active CN210510093U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921541368.3U CN210510093U (en) 2019-09-17 2019-09-17 Damper with adjustable hydraulic compression limiting mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921541368.3U CN210510093U (en) 2019-09-17 2019-09-17 Damper with adjustable hydraulic compression limiting mechanism

Publications (1)

Publication Number Publication Date
CN210510093U true CN210510093U (en) 2020-05-12

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Family Applications (1)

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CN201921541368.3U Active CN210510093U (en) 2019-09-17 2019-09-17 Damper with adjustable hydraulic compression limiting mechanism

Country Status (1)

Country Link
CN (1) CN210510093U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110513427A (en) * 2019-09-17 2019-11-29 广州多耐减震科技有限公司 A damper with an adjustable hydraulic compression stop mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110513427A (en) * 2019-09-17 2019-11-29 广州多耐减震科技有限公司 A damper with an adjustable hydraulic compression stop mechanism

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GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: No.3, building A14, Huachuang Animation Industrial Park, No.9 Huateng Road, Jinshan Village, Shiji Town, Panyu District, Guangzhou City, Guangdong Province

Patentee after: Guangzhou duonai Damping Technology Co., Ltd

Address before: No.3, building A14, Huachuang Animation Industrial Park, No.9 Huateng Road, Jinshan Village, Shiji Town, Panyu District, Guangzhou City, Guangdong Province

Patentee before: Guangzhou Multi-shock Absorption Technology Co.,Ltd.

CP01 Change in the name or title of a patent holder