CN217874233U - High-pressure hydrogen stop valve - Google Patents

Abstract

The utility model relates to the technical field of stop valves, in particular to a high-pressure hydrogen stop valve; the method comprises the following steps: the valve body, the valve body up end is through connecting piece fixedly connected with support, and the inside installation cavity that is equipped with of valve body and be used for installing the case, valve body left side surface is provided with the input, and the inside first rand that has preset of the nearly valve body one end of input, valve body right side surface is provided with the output, and the nearly valve body one end of output is inside to have preset the second rand, the mounting height of output is higher than the mounting height of input, and is the setting of 90 degrees of right angle between output and input and the valve body. This high pressure hydrogen stop valve adopts the connected mode of right-angle type between input and the output for the medium has reduced the sharp angle in unnecessary turning and the runner when entering into valve body inside, thereby has ensured unobstructed nature and the security of medium at the inside flow of valve body, and then avoids the production of unexpected situations such as explosion, has embodied the security when the device uses, has satisfied user's user demand.

Description

High-pressure hydrogen stop valve

Technical Field

The utility model relates to a stop valve technical field especially relates to a high pressure hydrogen stop valve.

Background

The high-pressure hydrogen shut-off valve refers to a shut-off valve used in a hydrogen pipeline, mainly for shutting off, distributing, and changing the flow direction of hydrogen in the hydrogen pipeline. With the development of society, the types of high-pressure hydrogen stop valves on the market are increasing, but the existing devices still have certain use defects when in use, such as:

the patent number is "stop valve for hydrogen" that "CN201921597857.0" discloses, the device is when using, be parallel rectilinear design between the input of medium and the output for the turning that produces when the medium enters into the valve body is inside more, thereby influence the unobstructed nature of medium at the inside flow of valve body, be based on the characteristic of hydrogen itself simultaneously, thereby unexpected situations such as easy production explosion, then lead to the security when the device uses, and then the practicality that leads to the device is lower.

And therefore those skilled in the art have been devoted to developing a high pressure hydrogen shut-off valve.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a what aim at solving is that current device medium causes the relatively poor and lower technical problem of security of medium circulation effect because of the turning is more when entering into valve body inside.

In order to achieve the above object, the utility model provides a high-pressure hydrogen stop valve, include: the valve body, the valve body up end is through connecting piece fixedly connected with support, and the inside installation cavity that is equipped with of valve body and be used for installing the case, valve body left side surface is provided with the input, and the inside first rand that has preset of the nearly valve body one end of input, valve body right side surface is provided with the output, and the nearly valve body one end of output is inside to have preset the second rand, the mounting height of output is higher than the mounting height of input, and is the setting of 90 degrees of right angle between output and input and the valve body.

Input and output all adopt present gland type structure in this field, and first rand and second rand all adopt present internal thread type structure on the market, when using, inside the user can be with the pipeline corresponding wrong income input and output respectively of external world, be connected with input and output through first rand and second rand simultaneously, and be threaded connection between pipeline and first rand and the second rand, thereby make first rand be used for connecting fixed input pipeline, the second rand is used for connecting fixed output pipeline.

The transverse section of the bracket is of a structure in the shape of a Chinese character 'kou', the left side and the right side of the lower surface of the bracket are symmetrically preset with 2 through holes for inserting connecting pieces, and the connecting pieces are socket head cap screws.

The support is used for installing the executor, and 2 groups of through-holes have been preset to support surface left and right sides symmetry, and connect fixedly through socket head cap screw between support and the valve body to be threaded connection between socket head cap screw and the through-hole.

The guide sleeve is preset at the center of the upper surface of the support, the valve cover is arranged at the center of the lower end face of the support, and the lower end of the valve cover penetrates into the valve body.

The user can be connected with the valve rod at structures such as support upper surface mounting pneumatic actuator to make the valve rod drive the case and reciprocate, and then make the function of valve realization switching.

The valve cover is internally provided with a valve rod, the lower end of the valve rod is connected with the valve core, and the upper end of the valve rod penetrates into the guide sleeve.

The valve rod, the valve core and the valve cover are all of the existing structures in the field, and the valve rod, the valve core and the valve cover are connected to form the opening and closing function of the valve.

And a sealing assembly is arranged at a gap between the valve core and the cavity of the valve body, and comprises a packing pad, a packing and a packing pressing sleeve.

The sealing assembly guarantees the sealing effect between the valve core and the cavity of the valve body, so that the phenomenon of medium leakage is avoided.

The packing cushion, the packing and the packing pressing sleeve are arranged from bottom to top at equal intervals in sequence, 2 packing pressing sleeves are arranged on the upper side and the lower side of the packing at equal intervals, and the upper end face of each packing pressing sleeve is connected with the lower end face of the valve cover.

The filler is made of the existing PTFE or enhanced PTFE, and the sealing effect of the device is further ensured by the design of the double-layer filler.

The utility model has the advantages that:

the utility model discloses when using, adopt the connected mode of right-angle type between input and the output for the medium has reduced the sharp acute angle in unnecessary turning and the runner when entering into the valve body is inside, thereby has ensured unobstructed nature and the security of medium at the inside flow of valve body, and then has avoided the production of unexpected situations such as explosion, has embodied the security when the device uses, has satisfied user's user demand.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall three-dimensional structure of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional structural view of a valve body according to an embodiment of the present invention;

FIG. 3 is a schematic front view of the valve body according to the embodiment of the present invention;

fig. 4 is an enlarged schematic structural diagram of a point a in fig. 2 according to an embodiment of the present invention.

Name of part

1. A valve body; 2. an input end; 3. a first collar; 4. an output end; 5. a second collar; 6. a support; 7. a socket head cap screw; 8. a guide sleeve; 9. a valve cover; 10. a valve stem; 11. a valve core; 12. a filler pad; 13. a filler; 14. and (5) filling and pressing the sleeve.

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 "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 4, the present invention provides a high pressure hydrogen stop valve, including: the valve comprises a valve body 1, wherein the upper end surface of the valve body 1 is fixedly connected with a support 6 through a connecting piece, an installation cavity is arranged in the valve body 1 and is used for installing a valve core 11, an input end 2 is arranged on the outer surface of the left side of the valve body 1, a first clamping ring 3 is preset in one end, close to the valve body 1, of the input end 2, an output end 4 is arranged on the outer surface of the right side of the valve body 1, a second clamping ring 5 is preset in one end, close to the valve body 1, of the output end 4, the installation height of the output end 4 is higher than that of the input end 2, and the output end 4, the input end 2 and the valve body 1 are arranged in a right angle of 90 degrees;

in this embodiment, at first, the user can be inside with the corresponding insert input 2 of external pipeline and output 4, simultaneously through first rand 3 and second rand 5 with corresponding pipeline and input 2 and output 4 fixed connection, secondly, the case 11 is opened to the control assembly of user's accessible support 6 upper surface setting, thereby make valve body 1 realize normal switching function, in the use, because be the design of right angle 90 between output 4 and input 2 and the valve body 1, thereby the corner that produces when having reduced the medium and having entered into valve body 1 inside, then guaranteed unobstructed nature when the medium flows in valve body 1 inside, and then avoided the production of unexpected situations such as explosion, the security when having embodied the device.

Further, the transverse section of the support 6 is of a structure like a Chinese character 'kou', 2 through holes are symmetrically preset in the left side and the right side of the lower surface of the support 6 and used for inserting connecting pieces, the connecting pieces are inner hexagon screws 7, a guide sleeve 8 is preset in the center of the upper surface of the support 6, a valve cover 9 is arranged in the center of the lower end face of the support 6, the lower end of the valve cover 9 penetrates into the valve body 1, a valve rod 10 is arranged in the valve cover 9, the lower end of the valve rod 10 is connected with the valve core 11, and the upper end of the valve rod 10 penetrates into the guide sleeve 8;

in this embodiment, at first, the stability of being connected between support 6 and the valve body 1 has been guaranteed in hexagon socket head cap screw 7's design, secondly, the user can be at control assembly such as surface mounting pneumatic actuator on support 6, be connected it with valve rod 10 upper end simultaneously, then, control assembly such as user's accessible hand wheel pneumatic actuator drives valve rod 10 and reciprocates along valve gap 9 is inside, thereby make valve rod 10 drive case 11 and reciprocate, then make the device realize the switching function, convenience of customers's use.

Furthermore, a sealing assembly is arranged at a gap between the valve core 11 and the cavity of the valve body 1, the sealing assembly comprises a packing pad 12, a packing 13 and a packing pressing sleeve 14, the packing pad 12, the packing 13 and the packing pressing sleeve 14 are sequentially arranged at equal intervals from bottom to top, 2 packing pads are arranged at equal intervals on the upper side and the lower side of the packing 13, and the upper end surface of the packing pressing sleeve 14 is connected with the lower end surface of the valve cover 9;

in this embodiment, the sealing assembly consisting of the packing pad 12, the packing 13 and the packing pressing sleeve 14 ensures the sealing performance of the valve body 1 in the use process of the device, avoids the medium inside the valve body 1 from leaking to the outside, and increases the overall practicability of the device.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (6)

1. A high-pressure hydrogen shut-off valve comprising: valve body (1), valve body (1) up end is through connecting piece fixedly connected with support (6), and valve body (1) inside is equipped with the installation cavity and is used for installing case (11), its characterized in that, valve body (1) left side surface is provided with input (2), and input (2) nearly valve body (1) one end inside has preset first rand (3), valve body (1) right side surface is provided with output (4), and output (4) nearly valve body (1) one end inside has preset second rand (5), the mounting height of output (4) is higher than the mounting height of input (2), and is right angle 90 settings between output (4) and input (2) and valve body (1).

2. A high pressure hydrogen stop valve according to claim 1, wherein the transverse cross section of the bracket (6) is in a square-shaped structure, and the left and right sides of the lower surface of the bracket (6) are symmetrically preset with 2 through holes for inserting the connecting pieces, and the connecting pieces are hexagon socket head cap screws (7).

3. The high-pressure hydrogen stop valve according to claim 1, wherein a guide sleeve (8) is preset at the center of the upper surface of the support (6), a valve cover (9) is arranged at the center of the lower end surface of the support (6), and the lower end of the valve cover (9) penetrates into the valve body (1).

4. A high-pressure hydrogen stop valve according to claim 3, wherein a valve rod (10) is arranged inside the valve cover (9), the lower end of the valve rod (10) is connected with the valve core (11), and the upper end of the valve rod (10) penetrates into the guide sleeve (8).

5. A high-pressure hydrogen stop valve according to claim 1, wherein a sealing assembly is arranged at the gap between the valve core (11) and the cavity of the valve body (1), and the sealing assembly comprises a packing pad (12), a packing (13) and a packing pressing sleeve (14).

6. A high-pressure hydrogen stop valve according to claim 5, characterized in that the packing pad (12), the packing (13) and the packing press sleeve (14) are arranged in sequence from bottom to top at equal intervals, 2 packing (13) are arranged on the upper side and the lower side at equal intervals, and the upper end face of the packing press sleeve (14) is connected with the lower end face of the valve cover (9).

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