CN218294599U - Pressure reducing valve fixing structure and hydrogen fuel automobile with same - Google Patents

Abstract

The utility model discloses a relief pressure valve fixed knot constructs and has its hydrogen fuel car, relief pressure valve fixed knot constructs and includes: the valve body, the upper clamping plate, the lower clamping plate and the fastening piece; the valve body has an axis; the valve body is positioned between the upper clamping plate and the lower clamping plate; the fastener is detachably connected between the upper clamping plate and the lower clamping plate so as to lock the upper clamping plate and the lower clamping plate; the upper clamping plate and/or the lower clamping plate are/is provided with a rotation limiting part and a fixed connecting part, the rotation limiting part is used for limiting the valve body to rotate around the axis, and the fixed connecting part is connected with an external structure. According to the pressure reducing valve fixing structure provided by the embodiment of the utility model, the valve body is fastened and fixed by arranging the fasteners, the upper clamping plate and the lower clamping plate; the rotation limiting part and the fixed connecting part are arranged to limit the rotation of the valve body and are connected with other components, so that the reliability of the fixation of the valve body is further improved; due to the design, the pressure reducing valve is fixed simply and reliably, and the cost is reduced.

Description

Pressure reducing valve fixing structure and hydrogen fuel automobile with same

Technical Field

The utility model belongs to the technical field of relief pressure valve equipment technique and specifically relates to a relief pressure valve fixed knot constructs and has its hydrogen fuel car.

Background

In the prior art, the pressure reducing valve plays a key role in a hydrogen supply pipeline, the output power of the fuel cell is directly influenced by the hydrogen output by the pressure reducing valve, and the effective fixation and installation of the pressure reducing valve also directly influence the use efficiency of a product. The pressure reducing valve of the traditional hydrogen fuel automobile high-pressure hydrogen storage system is fixed, the process is complex, the cost is high, the assembly time is long, and the disassembly and the maintenance are not easy.

Disclosure of Invention

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a relief pressure valve fixed knot constructs, and process flow has been simplified to relief pressure valve fixed knot structure, and simple structure is reliable, has reduced manufacturing cost.

According to the utility model discloses relief pressure valve fixed knot constructs includes: the valve body, the upper clamping plate, the lower clamping plate and the fastening piece; the valve body has an axis; the valve body is positioned between the upper clamping plate and the lower clamping plate; the fastener is detachably connected between the upper clamping plate and the lower clamping plate so as to lock the upper clamping plate and the lower clamping plate; the upper clamp plate and/or the lower clamp plate are/is provided with rotation limiting portions and fixed connecting portions, the rotation limiting portions are used for limiting the valve body to rotate around the axis, and the fixed connecting portions are connected with an external structure.

According to the pressure reducing valve fixing structure provided by the embodiment of the utility model, the valve body is fastened and fixed by arranging the fasteners, the upper clamping plate and the lower clamping plate; the rotation limiting part and the axial limiting part are arranged to limit the rotation and the axial sliding of the valve body, so that the fixing reliability of the valve body is further improved; due to the design, the pressure reducing valve is simple and reliable to fix, low in cost and remarkable in effect, and the complex fixing process and high production cost in the prior art are avoided.

In addition, according to the utility model discloses a relief pressure valve fixed knot constructs, can also have following additional technical characterstic:

in some embodiments, the upper plate and/or the lower plate further has an axial stopper portion for restricting play of the valve body in the direction of the axis.

In some embodiments, the rotation limiting portion includes a first limiting inclined surface, a second limiting inclined surface corresponding to the first limiting inclined surface is formed on the valve body, and the first limiting inclined surface and the second limiting inclined surface are parallel. In some embodiments, the pressure relief valve fixing structure further comprises a first gasket located between the first and second check slopes.

In some embodiments, the rotation restricting portion is provided in plurality, and the rotation restricting portions are provided in plurality at intervals in the direction of the axis and/or at intervals around the axis.

In some embodiments, the axial limiting portion is located between two adjacent rotation limiting portions.

In some embodiments, the axial limiting portion is a limiting hole, and a limiting protrusion corresponding to the limiting hole is formed on the valve body.

In some embodiments, the rotation restricting portion is provided on the lower clamp plate, the upper clamp plate is configured as an arc-shaped clamp plate that abuts against the outer peripheral wall of the valve body, and an arc-shaped second gasket is provided between the upper clamp plate and the valve body.

In some embodiments, the upper clamping plate has a first extension plate and a second extension plate at both ends thereof, the lower clamping plate has a third extension plate and a fourth extension plate at both ends thereof, the fastening member includes a first fastening member and a second fastening member, the first fastening member is connected between the first extension plate and the third extension plate, the second fastening member is connected between the second extension plate and the fourth extension plate, wherein a fixing connection portion connected with an external structure is formed on at least one of the first extension plate to the fourth extension plate.

The utility model also provides a hydrogen fuel automobile of having above-mentioned embodiment.

According to the utility model discloses hydrogen fuel car through the relief pressure valve fixed knot who sets up above-mentioned embodiment constructs, can simplify process flow, avoids the fixed assembly step of complicated relief pressure valve, reduction in production cost, and simple structure is reliable, durable.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural view of a pressure reducing valve fixing structure according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a valve body of a pressure reducing valve fixing structure according to an embodiment of the present invention;

fig. 3 is an assembly view of an upper clamp plate and a lower clamp plate of a pressure reducing valve fixing structure according to an embodiment of the present invention;

fig. 4 is a plan view of a lower plate of a pressure reducing valve fixing structure according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a first gasket and a second gasket of a pressure reducing valve fixing structure according to an embodiment of the present invention.

Reference numerals:

100. a pressure reducing valve fixing structure;

1. a valve body; 11. a second limit inclined plane; 12. a limiting bulge;

2. an upper splint; 21. a first extension plate; 22. a second extension plate;

3. a lower splint; 31. a first limit inclined plane; 32. an axial limiting part; 33. a third extension plate; 34. a fourth extension plate; 35. a fixed connection part;

4. a first liner;

5. a second liner.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", 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 for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

First, a pressure reducing valve fixing structure 100 according to an embodiment of the present invention is described with reference to fig. 1 to 5.

As shown in fig. 1 to 5, a pressure reducing valve fixing structure 100 according to an embodiment of the present invention includes: the valve comprises a valve body 1, an upper clamping plate 2, a lower clamping plate 3 and a fastener. In the present embodiment, the valve body 1 has an axis; the valve body 1 is positioned between the upper clamping plate 2 and the lower clamping plate 3, so that the upper clamping plate 2 and the lower clamping plate 3 can clamp and fix the valve body conveniently; the fastener is detachably connected between the upper clamping plate 2 and the lower clamping plate 3 to lock the upper clamping plate 2 and the lower clamping plate 3; the upper clamping plate 2 and/or the lower clamping plate 3 are/is provided with a rotation limiting part and a fixed connecting part 35, the rotation limiting part is used for limiting the valve body 1 to rotate around the axis, the upper clamping plate 2 can be provided with the rotation limiting part, or the lower clamping plate 3 can be provided with the rotation limiting part, or the rotation limiting parts are arranged on the upper clamping plate 2 and the lower clamping plate 3, so that the valve body 1 and the upper clamping plate 2 and the lower clamping plate 3 can be ensured to rotate relatively; such design, the structure is exquisite, and simple process, the cost is lower, can be effectual fix the relief pressure valve, prevents it and slides.

In addition, the fixing connection portion 35 is connected to an external structure for connecting the pressure reducing valve and the pressure reducing valve fixing structure 100 with other components of the hydrogen storage system.

According to the pressure reducing valve fixing structure 100 of the embodiment of the present invention, the valve body 1 is fastened and fixed by arranging the fastening member with the upper clamping plate 2 and the lower clamping plate 3; the rotation of the valve body 1 is limited by arranging the rotation limiting part and the fixed connecting part 35, and the pressure reducing valve fixing structure 100 are connected with other components of the hydrogen storage system, so that the fixing reliability of the valve body 1 is further improved; due to the design, the pressure reducing valve is simple and reliable to fix, low in cost and remarkable in effect, and the complex fixing process and high production cost in the prior art are avoided.

In an embodiment of the present invention, as shown in fig. 1 to 5, the upper plate 2 and/or the lower plate 3 further has an axial limiting portion 32, and the axial limiting portion 32 is used for limiting the play of the valve body 1 in the direction of the axis. That is to say, it can be that the upper plate 2 has the axial spacing portion 32, or the lower plate 3 has the axial spacing portion 32, also can all set up the axial spacing portion 32 on upper plate 2 and lower plate 3, like this, can guarantee between valve body 1 and upper plate 2 and the lower plate 3, can not take place relative slip in the axial.

In an embodiment of the present invention, as shown in fig. 1 to 5, the rotation limiting portion may include: the valve body 1 is provided with second limiting inclined surfaces 11 corresponding to the first limiting inclined surfaces 31, for example, as shown in fig. 1 and 4, four first limiting inclined surfaces 31 are symmetrically arranged on the surface of one side, facing the valve body 1, of the lower clamping plate 3 at intervals along the axis of the valve body 1, and similarly, four second limiting inclined surfaces 11 are symmetrically arranged on the lower half part of the valve body 1 in the circumferential direction at intervals and correspond to the first limiting inclined surfaces 31 one by one; through the cooperation of the first spacing inclined plane 31 on the splint and the spacing inclined plane 11 of second on the valve body 1, rotate valve body 1 and restrict, guarantee relief pressure valve stability in week.

Further, first spacing inclined plane 31 and the spacing inclined plane 11 of second are parallel, like this, when splint and valve body 1 cooperate, first spacing inclined plane 31 and the spacing inclined plane 11 of second can laminate completely, and the relative friction area between its inclined plane reaches the biggest, and the rotation restriction to valve body 1 reaches the strongest, and the inclined plane has inclination, and valve body 1 can't overcome inclination and rotate, has further promoted valve body 1 at ascending steadiness in circumference.

In an embodiment of the present invention, as shown in fig. 1 to 5, the pressure reducing valve fixing structure 100 may further include: a first gasket 4, the first gasket 4 being located between the first limit slope 31 and the second limit slope 11; first liner 4 is used for playing the effect of the protection of buffering between first spacing inclined plane 31 and the spacing inclined plane 11 of second, can carry out the energy-absorbing buffering when receiving external impact, prevents to cause the damage to splint and valve body 1, and simultaneously, first liner 4 can also play spacing effect, avoids valve body 1 to produce and rocks.

In an embodiment of the present invention, as shown in fig. 1 to 5, the rotation limiting portion may be provided in plural, and the plural rotation limiting portions are spaced apart from each other along the direction of the axis and/or spaced apart from each other around the axis; that is, the rotation limiting portions may be provided at intervals in the direction of the axis, or may be provided at intervals around the axis, or may be provided at intervals both in the direction of the axis and in the direction around the axis; set up a plurality of limit and change the portion, can improve valve body 1 at ascending steadiness in circumference, avoid taking place to rotate.

In one embodiment of the present invention, as shown in fig. 1 to 5, the axial limiting portion 32 is located between two adjacent rotation limiting portions. For example, as shown in fig. 1 and 4, the axial limiting portion 32 is disposed between two adjacent first limiting inclined surfaces 31, so that the clamping plate and the valve body 1 can be conveniently installed in a matched manner, the process steps can be reduced, the processing can be facilitated, and the cost and the production time can be reduced.

In an embodiment of the present invention, as shown in fig. 1 to fig. 5, the axial limiting portion 32 may be a limiting hole, and the valve body 1 is formed with a limiting protrusion 12 corresponding to the limiting hole, for example, as shown in fig. 1, the limiting hole on the lower plate 3 is sleeved on the limiting protrusion 12 of the valve body 1, the limiting protrusion 12 protrudes from the limiting hole, and is matched with the limiting protrusion 12 through the limiting hole, so as to limit the displacement of the valve body 1 in the axial direction, and prevent the valve body 1 from sliding in the axial direction.

In one embodiment of the present invention, as shown in fig. 1 to 5, the rotation limiting portion is located on the lower clamping plate 3, the upper clamping plate 2 is configured as an arc-shaped clamping plate attached to the outer peripheral wall of the valve body 1, and an arc-shaped second gasket 5 is further provided between the upper clamping plate 2 and the valve body 1; second liner 5 can play the effect of buffer protection, prevents that splint and valve body 1 from receiving the damage, and simultaneously, second liner 5 can also play spacing effect with the cooperation of valve body 1 to can pass the accuracy of the 1 installation of valve body of spacing hole visual, on the other hand can also play the drainage effect, increases corrosion resistance.

In an embodiment of the present invention, as shown in fig. 1 to 5, both ends of the upper splint 2 have a first extension plate 21 and a second extension plate 22, both ends of the lower splint 3 have a third extension plate 33 and a fourth extension plate 34, and the fastener includes: and a first fastener coupled between the first extension plate 21 and the third extension plate 33, and a second fastener coupled between the second extension plate 22 and the fourth extension plate 34, wherein at least one of the first extension plate 21 to the fourth extension plate 34 is formed with a fixing connection part 35 coupled to an external structure. The fastening member may be a bolt, for example, as shown in fig. 3, corresponding bolt holes are formed on the upper and lower clamping plates 3, and after the upper and lower clamping plates 3 are fitted with the valve body 1, the bolt is put into the bolt hole and tightened, so as to fasten the valve body 1 between the upper and lower clamping plates 3; the third extension plate 33 of the lower clamping plate 3 is formed with a fixing connection portion 35 for assembling connection with an external structure, and the fixing connection portion 35 is a bolt hole.

A pressure reducing valve fixing structure 100 according to an embodiment of the present invention will be described below with reference to fig. 1 to 5.

Specifically, as shown in fig. 1 to 5, the pressure reducing valve fixing structure 100 includes: valve body 1, upper jaw 2, lower jaw 3, fastener and first gasket 4. In this particular embodiment, the valve body 1 has an axis; the valve body 1 is positioned between the upper clamping plate 2 and the lower clamping plate 3; the fastener is detachably connected between the upper clamping plate 2 and the lower clamping plate 3 to lock the upper clamping plate 2 and the lower clamping plate 3; the lower clamp plate 3 is provided with a rotation limiting part for limiting the valve body 1 to rotate around the axis, the lower clamp plate 3 is also provided with an axial limiting part 32 and a fixed connecting part 35, the axial limiting part 32 is used for limiting the valve body 1 to move along the direction of the axis, and the fixed connecting part 35 is used for being connected with an external structure; the rotation limiting part comprises a first limiting inclined surface 31, and a second limiting inclined surface 11 corresponding to the first limiting inclined surface 31 is formed on the valve body 1; the first limit inclined surface 31 is parallel to the second limit inclined surface 11; the first gasket 4 is located between the first limit incline 31 and the second limit incline 11.

Furthermore, four rotation limiting parts are arranged, and are arranged along the direction of the axis and at intervals around the axis; the axial limiting part 32 is positioned between two adjacent rotation limiting parts; the axial limiting part 32 is a limiting hole, and a limiting bulge 12 corresponding to the limiting hole is formed on the valve body 1; the rotation limiting portion is located on the lower clamp plate 3, the upper clamp plate 2 is constructed into an arc-shaped clamp plate attached to the outer peripheral wall of the valve body 1, and an arc-shaped second gasket 5 is further arranged between the upper clamp plate 2 and the valve body 1.

In addition, both ends of the upper clamp plate 2 have a first extension plate 21 and a second extension plate 22, and both ends of the lower clamp plate 3 have a third extension plate 33 and a fourth extension plate 34, and the fastener includes: and a first fastening member coupled between the first extension plate 21 and the third extension plate 33, and a second fastening member coupled between the second extension plate 22 and the fourth extension plate 34, wherein the third extension plate 33 is formed with a fixing connection part 35 coupled with an external structure.

According to the fixing structure 100 of the pressure reducing valve of the embodiment of the present invention, the valve body 1 is fastened and fixed by arranging the fastening member with the upper clamping plate 2 and the lower clamping plate 3; the rotation limiting part and the axial limiting part 32 are arranged to limit the rotation and the axial sliding of the valve body 1, so that the fixing reliability of the valve body 1 is further improved; due to the design, the pressure reducing valve is simple and reliable to fix, low in cost and remarkable in effect, and the complex fixing process and high production cost in the prior art are avoided.

The utility model also provides a hydrogen fuel automobile of having above-mentioned embodiment.

According to the utility model discloses hydrogen fuel car through the relief pressure valve fixed knot that sets up above-mentioned embodiment constructs 100, can simplify process flow, avoids the fixed assembly step of complicated relief pressure valve, reduction in production cost, and simple structure is reliable, durable.

Other configurations and operations of the pressure reducing valve fixing structure 100 and the hydrogen fuel automobile according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A pressure reducing valve fixing structure, characterized by comprising:

a valve body (1), the valve body (1) having an axis;

the valve body (1) is positioned between the upper clamping plate (2) and the lower clamping plate (3);

a fastener detachably connected between the upper and lower clamping plates (2, 3) to lock the upper and lower clamping plates (2, 3); wherein the content of the first and second substances,

the upper clamping plate (2) and/or the lower clamping plate (3) are provided with rotation limiting portions and fixed connecting portions (35), the rotation limiting portions are used for limiting the valve body (1) to rotate around the axis, and the fixed connecting portions (35) are connected with an external structure.

2. The pressure reducing valve fixing structure according to claim 1, wherein the upper plate (2) and/or the lower plate (3) further has an axial stopper portion (32), and the axial stopper portion (32) is used to restrict the play of the valve body (1) in the direction of the axis.

3. The pressure reducing valve fixing structure according to claim 1, wherein the rotation restricting portion includes a first restriction slope (31), a second restriction slope (11) corresponding to the first restriction slope (31) is formed on the valve body (1), and the first restriction slope (31) and the second restriction slope (11) are parallel.

4. The pressure-reducing valve fixing structure according to claim 3, further comprising a first gasket (4), the first gasket (4) being located between the first limit slope (31) and the second limit slope (11).

5. The pressure reducing valve fixing structure according to claim 1, wherein the rotation restricting portion is provided in plurality, and a plurality of the rotation restricting portions are provided at intervals in the direction of the axis and/or at intervals around the axis.

6. The pressure reducing valve fixing structure according to claim 2, wherein the axial restricting portion (32) is located between adjacent two rotation restricting portions.

7. The pressure reducing valve fixing structure according to claim 2, wherein the axial position limiting portion (32) is a position limiting hole, and a position limiting protrusion (12) corresponding to the position limiting hole is formed on the valve body (1).

8. The pressure reducing valve fixing structure according to any one of claims 1 to 7, wherein the rotation restricting portion is located on the lower clamp plate (3), the upper clamp plate (2) is configured as an arc-shaped clamp plate that abuts against the outer peripheral wall of the valve body (1), and an arc-shaped second gasket (5) is further provided between the upper clamp plate (2) and the valve body (1).

9. The pressure reducing valve fixing structure according to claim 1, wherein both ends of the upper plate (2) have a first extension plate (21) and a second extension plate (22), and both ends of the lower plate (3) have a third extension plate (33) and a fourth extension plate (34), the fastening member includes a first fastening member connected between the first extension plate (21) and the third extension plate (33) and a second fastening member connected between the second extension plate (22) and the fourth extension plate (34), wherein the fixing connection portion (35) connected to an external structure is formed on at least one of the first extension plate (21) to the fourth extension plate (34).

10. A hydrogen-fueled vehicle characterized by comprising the pressure-reducing valve fixing structure of any one of claims 1 to 9.

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