CN219242533U - Valve block subassembly of bumper 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

Valve block subassembly of bumper shock absorber

Technical Field

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

Background

The damper is widely used in automobile damping system, and the valve plate assembly in the damper can regulate the inlet and outlet flow of the piston valve in the damper to achieve the damping purpose.

Valve block components in the existing shock absorber are commonly stacked to adjust inlet and outlet flow of a piston valve, the shock absorption effect of the shock absorber can be kept stable through adjustment of the positions of the existing valve blocks, and accordingly workload of adjustment of the shock absorber is increased.

Disclosure of Invention

The utility model aims to provide a valve plate assembly of a shock absorber, which solves the problem that the shock absorption effect of the shock absorber can be kept stable after adjustment of various valve plate positions in the prior art, so that the adjustment workload of the shock absorber is increased.

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

the utility model provides a valve block subassembly of bumper shock absorber, includes urceolus and piston rod, the upper end fixedly connected with connecting rod of piston rod, the outside fixedly connected with stop collar of piston rod, the outside of connecting rod has set gradually down packing ring, lower locating part, first valve block, piston, first water conservancy diversion valve block, second valve block, go up locating part, go up packing ring and gasket from supreme down, lower locating part, first valve block, first water conservancy diversion valve block, second valve block, go up locating part and gasket all with the outside sliding connection of connecting rod, lower packing ring, piston and last packing ring all with the outside fixed connection of connecting rod, the upper end outside rotation of connecting rod is connected with the nut.

Preferably, the first flow guiding valve plate is attached to the second flow guiding valve plate, and an opening is formed by attaching the first flow guiding valve plate to the second flow guiding valve plate.

Preferably, the piston comprises piston holes, separating rings, guide strips and a main body, wherein the number of the piston holes is 8, the separating rings are fixedly connected to the upper side and the lower side of the outer end face of the main body, the separating rings separate the piston holes, and the guide strips are fixedly connected to the upper side and the lower side of the main body.

Preferably, the guide strips are all arranged on the inner side of the piston hole.

Preferably, the upper end face of the nut is fixedly connected with a floating piston, and a sealing element is sleeved in an outer groove of the floating piston.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the structures of the first flow guide valve plate, the second flow guide valve plate, the separating ring, the flow guide strip and the like, oil is damped through the damping effect formed by the gaps of the valve plates and the piston hole, and through the arranged piston hole, the separating ring and the flow guide strip, the oil flows more uniformly at the piston, the capability of keeping the damping effect of the damper stable without position adjustment of the stacked valve plates is realized, the problem that the damping effect of the damper can be kept stable only by adjusting the positions of the existing various valve plates is solved, the adjustment workload of the damper is increased, and the practicability of the device is improved.

Drawings

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

FIG. 2 is a schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present utility model;

fig. 4 is a schematic view of the assembled structure of fig. 1 according to the present utility model.

In the figure: the device comprises a 1-outer cylinder, a 2-piston rod, a 3-limiting sleeve, a 4-connecting rod, a 5-lower gasket, a 6-lower limiting piece, a 7-first valve plate, an 8-piston, a 801-piston hole, an 802-separating ring, 803-flow guiding strips, a 804-main body, a 9-first flow guiding valve plate, a 10-second flow guiding valve plate, a 11-second valve plate, a 12-upper limiting piece, a 13-upper gasket, a 14-gasket, a 15-nut, a 16-floating piston and a 17-sealing piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

Referring to fig. 1-4, the present utility model provides a technical solution:

the valve block component of the shock absorber comprises an outer cylinder 1 and a piston rod 2, wherein 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 limiting sleeve 3, the outer side of the connecting rod 4 is sequentially provided with a lower gasket 5, a lower limiting piece 6, a first valve block 7, a piston 8, a first flow guiding valve block 9, a second flow guiding valve block 10, a second valve block 11, an upper limiting piece 12, an upper gasket 13 and a gasket 14 from bottom to top, the lower limiting piece 6, the first valve block 7, the first flow guiding valve block 9, the second flow guiding valve block 10, the second valve block 11, the upper limiting piece 12 and the gasket 14 are all in sliding connection with the outer side of the connecting rod 4, the lower gasket 5, the piston 8 and the upper gasket 13 are fixedly connected with the outer side of the connecting rod 4, the nut 15 is rotationally connected to the outer side of the upper end of the connecting rod 4, so that oil forms a damping effect through a gap of a valve plate and the piston hole 801 to absorb shock, the oil flows more uniformly at the piston 8 through the arranged piston hole 801, the separation ring 802 and the guide strip 803, the capability of keeping the damping effect of the shock absorber stable without position adjustment of stacking the valve plates is realized, the problem that the damping effect of the shock absorber is kept stable after adjustment of the positions of the existing various valve plates is solved, the problem of increasing the adjustment workload of the shock absorber is solved, and the practicability of the device is improved; the first flow guide valve plate 9 is attached to the second flow guide valve plate 10, an opening is formed by attaching the first flow guide valve plate 9 to the second flow guide valve plate 10, and oil can uniformly pass through the openings of the first flow guide valve plate 9 and the second flow guide valve plate 10; the piston 8 consists of piston holes 801, separating rings 802, guide strips 803 and a main body 804, wherein the number of the piston holes 801 is 8, the separating rings 802 are fixedly connected to the upper side and the lower side of the outer end face of the main body 804, the separating rings 802 separate the piston holes 801, the guide strips 803 are fixedly connected to the upper side and the lower side of the main body 804, oil can be separated through the arranged separating rings 802, the oil in the center of the main body 804 can be guided through the arranged guide strips 803, and the flow efficiency of the oil is improved through the arranged plurality of piston holes 801; the guide strips 803 are all arranged on the inner side of the piston hole 801, and central oil can be guided to the piston hole 801 through the positions of the guide strips 803; the upper end face of the nut 15 is fixedly connected with a floating piston 16, a sealing element 17 is sleeved on an outer groove of the floating piston 16, and nitrogen is prevented from entering the oil cavity through the sealing element 17.

The working flow is as follows: when the shock absorber moves, the connecting rod 4 of the piston rod 2 drives the valve block assembly to move, when the valve block assembly moves, oil enters the first flow guide valve block 9 and the flow guide valve block 10 through gaps of the valve blocks, the first flow guide valve block 9 and the second flow guide valve block 10 are mutually attached, the opening areas of the first flow guide valve block 9 and the second flow guide valve block 10 are the same in size regardless of rotation, so that the oil can uniformly pass through the first flow guide valve block 9 and the second flow guide valve block 10, when the oil reaches the piston 8, the oil can be separated by the separating ring 802, the oil at the central position of the main body 804 is guided into the piston hole 801 through the arranged flow guide strips 803, at the moment, the oil uniformly passes through the piston hole 801, the oil forms a damping effect through the gaps of the valve blocks and the piston hole 801 to absorb shock, and the shock absorption effect of the shock absorber can be kept stable without position adjustment of the stacked valve blocks.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in 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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