CN219242533U - A valve plate assembly of a shock absorber - Google Patents

Abstract

The utility model relates to the technical field of shock absorbers, in particular to a valve block assembly of a shock absorber, which comprises an outer cylinder and a piston rod, wherein the upper end of the piston rod is fixedly connected with a connecting rod, the outer side of the piston rod is fixedly connected with a limiting sleeve, the outer side of the connecting rod is sequentially provided with a lower gasket, a lower limiting piece, a first valve block, a piston, a first flow guide valve block, a second valve block, an upper limiting piece, an upper gasket and a gasket from bottom to top, the lower limiting piece, the first valve block, the first flow guide valve block, the second valve block, the upper limiting piece and the gasket are all in sliding connection with the outer side of the connecting rod, the capability that the shock absorption effect of the shock absorber can be kept stable without position adjustment of the stacking valve blocks is realized through the structures such as the second flow guide valve block, a separating ring, a flow guide strip and the like, the problem that the shock absorption effect of the shock absorber can be kept stable after adjustment of the existing various valve block positions is solved, the adjustment workload of the shock absorber is increased, and the practicability of the device is improved.

Description

A valve plate assembly of a shock absorber

technical field

The utility model relates to the technical field of shock absorbers, in particular to a valve plate assembly of the shock absorber.

Background technique

Shock absorbers are widely used in automobile shock absorption systems, and the valve plate assembly in the shock absorber can adjust the flow of the inlet and outlet of the piston valve in the shock absorber to achieve the purpose of shock absorption.

The valve plate assembly in the existing shock absorber is generally equipped with multiple valve plates for stacking to adjust the inlet and outlet flow of the piston valve. The positions of the existing various valve plates need to be adjusted to make the shock absorber The effect remains stable, resulting in an increase in the workload of the adjustment of the shock absorber. Therefore, a valve plate assembly of the shock absorber is proposed according to the above problems.

Utility model content

The purpose of this utility model is to provide a valve plate assembly of a shock absorber to solve the problem that the position of various valve plates needs to be adjusted in order to keep the damping effect of the shock absorber stable, resulting in the increase of shock absorber adjustment. workload problem.

In order to achieve the above object, the utility model provides the following technical solutions:

A valve plate assembly of a shock absorber, including an outer cylinder and a piston rod, the upper end of the piston rod is fixedly connected with a connecting rod, the outer side of the piston rod is fixedly connected with a limit sleeve, and the outer side of the connecting rod is from bottom to top A lower gasket, a lower limiter, a first valve plate, a piston, a first diversion valve plate, a second diversion valve plate, a second valve plate, an upper limiter, an upper washer and a gasket are provided in sequence, and the lower limiter The first valve plate, the first diversion valve plate, the second diversion valve plate, the second valve plate, the upper limit piece and the gasket are all slidably connected with the outside of the connecting rod, and the lower gasket, the piston and the upper gasket All are fixedly connected with the outer side of the connecting rod, and the upper end of the connecting rod is rotatably connected with a nut outside.

Preferably, the first diversion valve sheet is attached to the second diversion valve sheet, and the attachment of the first diversion valve sheet to the second diversion valve sheet will generate an opening.

Preferably, the piston is composed of a piston hole, a partition ring, a flow guide strip and a main body, the number of the piston holes is 8, and the partition ring is fixedly connected to the upper and lower sides of the outer end surface of the main body, and the partition ring Each piston hole is separated, and the guide strip is fixedly connected to the upper and lower sides of the main body.

Preferably, the guide strips are all arranged inside the piston hole.

Preferably, the upper end surface of the nut is fixedly connected with a floating piston, and the outer groove of the floating piston is sleeved with a seal.

Compared with the prior art, the beneficial effects of the utility model are:

1. In the utility model, through the first diversion valve plate, the second diversion valve plate, the separation ring, the diversion strip and other structures, the oil passes through the gap of the valve plate and the piston hole to form a damping effect for shock absorption, Through the set piston hole, separator ring and flow guide strip, the oil flows more evenly at the piston, realizing the ability of stacking valve plates to keep the damping effect of the shock absorber stable without position adjustment, which solves the current problem Some valve positions need to be adjusted to keep the damping effect of the shock absorber stable, which leads to the problem of increasing the adjustment workload of the shock absorber and improves the practicability of the device.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is a structural schematic diagram of A place of Fig. 1 of the utility model;

Fig. 3 is the structural schematic diagram of place B of Fig. 1 of the utility model;

Fig. 4 is a schematic diagram of the assembly structure of Fig. 1 of the present utility model.

In the figure: 1-outer cylinder, 2-piston rod, 3-limiting sleeve, 4-connecting rod, 5-lower gasket, 6-lower limiter, 7-first valve plate, 8-piston, 801-piston hole , 802-separation ring, 803-guide strip, 804-main body, 9-first diversion valve piece, 10-second diversion valve piece, 11-second valve piece, 12-upper limit piece, 13-upper Gasket, 14-gasket, 15-nut, 16-floating piston, 17-seal.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

The relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. At the same time, it should be understood that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the Authorized Specification. In all examples shown and discussed herein, any specific values should be construed as illustrative only, and not as limiting. Therefore, other examples of the exemplary embodiment may have different values. It should be noted that like numerals and letters denote like items in the following figures, therefore, once an item is defined in one figure, it does not require further discussion in subsequent figures.

In the description of the present invention, it should be understood that orientation words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" etc. indicate the orientation Or positional relationship is generally based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description. In the absence of a contrary statement, these orientation words do not indicate or imply the device or element referred to. It must have a specific orientation or be constructed and operated in a specific orientation, so it should not be construed as limiting the protection scope of the present invention; the orientation words "inner and outer" refer to the inner and outer relative to the outline of each component itself.

For the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as "above" or "above" other devices or configurations would then be oriented "beneath" or "above" the other devices or configurations. under other devices or configurations”. Thus, the exemplary term "above" can encompass both an orientation of "above" and "beneath". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

In addition, it should be noted that the use of words such as "first" and "second" to define components is only for the convenience of distinguishing corresponding components. To limit the protection scope of the present invention.

Please refer to Figure 1-4, the utility model provides a technical solution:

A valve plate assembly of a shock absorber, comprising an outer cylinder 1 and a piston rod 2, the upper end of the piston rod 2 is fixedly connected with a connecting rod 4, the outer side of the piston rod 2 is fixedly connected with a limit sleeve 3, and the outer side of the connecting rod 4 is connected from the bottom The top is provided with the lower gasket 5, the lower limiter 6, the first valve plate 7, the piston 8, the first diversion valve plate 9, the second diversion valve plate 10, the second valve plate 11, the upper limiter 12, the upper Gasket 13 and spacer 14, lower limiter 6, first valve plate 7, first diversion valve plate 9, second diversion valve plate 10, second valve plate 11, upper limiter 12 and gasket 14 are all with The outer side of the connecting rod 4 is slidingly connected, the lower washer 5, the piston 8 and the upper washer 13 are all fixedly connected to the outer side of the connecting rod 4, and the outer side of the upper end of the connecting rod 4 is connected with a nut 15 so that the oil passes through the gap between the valve plate and the The piston hole 801 forms a damping effect for shock absorption. Through the set piston hole 801, the separator ring 802 and the flow guide strip 803, the oil flows more evenly at the piston 8, and the stacked valve plates can be reduced without position adjustment. The ability of the shock absorber to maintain a stable damping effect solves the problem that the existing various valve positions need to be adjusted to keep the damping effect of the shock absorber stable, which leads to an increase in the workload of the shock absorber adjustment, and improves The practicability of the device is improved; the first diversion valve plate 9 is attached to the second diversion valve plate 10, and the fitting of the first diversion valve plate 9 and the second diversion valve plate 10 will produce an opening, and the The openings of the first guide valve plate 9 and the second guide valve plate 10 can allow the oil to pass through evenly; the piston 8 is composed of a piston hole 801, a separating ring 802, a guide strip 803 and a main body 804, and the number of the piston holes 801 There are 8 pieces in total, and the partition ring 802 is fixedly connected to the upper and lower sides of the outer end surface of the main body 804. The oil can be separated, and the oil in the center of the main body 804 can be guided by the set guide bar 803, and the flow efficiency of the oil can be improved through the set of multiple piston holes 801; the guide bars 803 are all set in the piston hole On the inner side of 801, the central oil can be guided to the piston hole 801 through the position of the guide bar 803; the upper end surface of the nut 15 is fixedly connected with the floating piston 16, and the outer groove of the floating piston 16 is sleeved with a seal 17, Nitrogen gas is prevented from entering the oil chamber by the seal 17 provided.

Working process: When the shock absorber is moving, the piston rod 2 and the connecting rod 4 will drive the valve plate assembly to move, and when the valve plate assembly moves, the oil will enter the first diversion valve plate 9 and the diversion plate through the gap of the valve plate In the valve plate 10, the first diversion valve plate 9 and the second diversion valve plate 10 are attached to each other, and the first diversion valve plate 9 and the second diversion valve plate 10 have the same opening area no matter how they rotate, so that The oil can evenly pass through the first guide valve plate 9 and the second guide valve plate 10. When the oil reaches the piston 8, it will be separated by the separation ring 802, and the central position of the main body 804 will be separated by the set guide strip 803. The oil is guided into the piston hole 801. At this time, the oil is evenly passing through the piston hole 801. Through the above operation, the oil passes through the gap of the valve plate and the piston hole 801 to form a damping effect for shock absorption, so that the stacked valve plates do not need to pass through the position. Tuning also keeps the damping effect of the shock absorbers stable.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. Valve block subassembly of bumper shock absorber, including urceolus (1) and piston rod (2), its characterized in that: the upper end fixedly connected with connecting rod (4) of piston rod (2), the outside fixedly connected with stop collar (3) of piston rod (2), the outside of connecting rod (4) has set gradually down packing ring (5), lower locating part (6), first valve block (7), piston (8), first water conservancy diversion valve block (9), second water conservancy diversion valve block (10), second valve block (11), last locating part (12), last packing ring (13) and gasket (14) from lower supreme, the outside sliding connection of connecting rod (4) is all gone up in the outside of connecting rod (4), lower packing ring (5), piston (8) and last packing ring (13), the upper end outside rotation of connecting rod (4) is connected with nut (15).

2. A valve plate assembly of a shock absorber according to claim 1, wherein: the first flow guide valve plate (9) is attached to the second flow guide valve plate (10), and an opening is formed in the attachment of the first flow guide valve plate (9) to the second flow guide valve plate (10).

3. A valve plate assembly of a shock absorber according to claim 1, wherein: the piston (8) comprises piston holes (801), separation rings (802), guide strips (803) and a main body (804), wherein the number of the piston holes (801) is 8, the separation rings (802) are fixedly connected to the upper side and the lower side of the outer end face of the main body (804), the separation rings (802) separate the piston holes (801), and the guide strips (803) are fixedly connected to the upper side and the lower side of the main body (804).

4. A valve plate assembly of a shock absorber according to claim 3, wherein: the guide strips (803) are all arranged on the inner side of the piston hole (801).

5. A valve plate assembly of a shock absorber according to claim 1, wherein: the upper end face of the nut (15) is fixedly connected with a floating piston (16), and a sealing element (17) is sleeved on an outer groove of the floating piston (16).

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