CN217977450U - Valve body and valve gap cooperation mechanism and wedge gate valve - Google Patents
Valve body and valve gap cooperation mechanism and wedge gate valve Download PDFInfo
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- CN217977450U CN217977450U CN202221973273.0U CN202221973273U CN217977450U CN 217977450 U CN217977450 U CN 217977450U CN 202221973273 U CN202221973273 U CN 202221973273U CN 217977450 U CN217977450 U CN 217977450U
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Abstract
The utility model relates to the technical field of valves, a cooperation mechanism and wedge gate valve of valve body and valve gap is provided, wherein cooperation mechanism includes: the valve body is provided with a first valve rod hole; the valve cover is suitable for covering the valve body and is provided with a second valve rod hole; the first valve rod hole and the second valve rod hole are suitable for being communicated and form a valve rod channel, the transverse section of the valve rod channel is in a long waist hole shape, two side edges of the long waist hole are arranged in an arc shape and are in concave arc lines, and all the concave arc lines form concave arc surfaces; and the reinforcing part is arranged on the valve body corresponding to the concave cambered surface. This arc limit is the indent pitch arc in order to correspond in the valve rod passageway and form the indent cambered surface, owing to set up the valve rod passageway indent, has increased the installation space of rib, can improve the height of rib, can improve rib intensity after the rib highly improves, and then improves the intensity and the rigidity of valve on the whole, realizes improving the effect of valve body bearing capacity.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to cooperation mechanism and wedge gate valve of valve body and valve gap.
Background
The wedge gate valve has compact structure, reasonable design, high rigidity, smooth passage and small flow coefficient, and may be used widely in oil product, water vapor pipeline in petrochemical, heat power plant and other fields.
In the use process of the wedge gate valve in the prior art, when a medium circulates in a medium channel, impact force can be continuously applied to the valve body and the gate plate, and the sealing effect of the valve can be poor under the action of the medium impact force, so that the gate valve cannot be normally used.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the wedge gate valve among the prior art in the use, and the medium can be to valve body and the continuous impact force of applying of flashboard when the medium channel circulates, and under the effect of medium impact force, the sealed effect of valve can the variation to lead to the defect that the gate valve can not normal use, thereby provide a cooperation mechanism and wedge gate valve of valve body and valve gap.
A mating mechanism for a valve body and a bonnet, comprising: the valve body is provided with a first valve rod hole; the valve cover is suitable for covering the valve body and is provided with a second valve rod hole; the first valve rod hole and the second valve rod hole are suitable for being communicated and form a valve rod channel, the transverse section of the valve rod channel is in a long waist hole shape, and the vertical distance between two side edges of the long waist hole is larger than the diameter size of the valve rod; the two side edges of the long waist hole are arc-shaped edges, and the vertical distance between the middle points of the two arc-shaped edges is smaller than the vertical distance between the two corresponding opposite end points, so that the arc-shaped edges are concave arc lines, and all the concave arc lines form concave arc surfaces which are close to the axis of the valve rod channel on the two opposite side walls of the valve rod channel; and the reinforcing part is arranged on the valve body corresponding to the concave cambered surface.
Optionally, in the above-mentioned mechanism for matching the valve body and the valve cover, an arc line of any one of the long waist holes has an angle of 30 °.
Optionally, in the above matching mechanism of the valve body and the valve cover, the reinforcement portion is an annular reinforcement portion, and at least one annular reinforcement portion is disposed on an outer wall surface of the valve body along the valve rod passage.
Optionally, in the above-mentioned fitting mechanism of the valve body and the valve cover, a transverse cross section of any one of the annular reinforcing portions is configured to be a long waist hole shape, and an inner side of the annular reinforcing portion and the valve rod passage are adapted to be an inward concave arc line.
Optionally, in the above matching mechanism of the valve body and the valve cover, the annular reinforcing portions are two groups of annular reinforcing ribs, and are arranged on the valve body in parallel corresponding to the flanges on the two sides of the annular reinforcing ribs.
Optionally, in the matching mechanism between the valve body and the valve cover, a first reinforcing rib and a second reinforcing rib are arranged on the valve body, and a projection of the first reinforcing rib in the horizontal direction falls into a projection of the second reinforcing rib in the horizontal direction.
Optionally, in the above matching mechanism of the valve body and the valve cover, the valve body includes a valve cover connecting portion;
two still be equipped with transition connecting portion between the flange and arbitrary the strengthening rib, it corresponds the indent cambered surface sets up on the valve body, transition connecting portion's one end with flange joint, its other end and all the strengthening rib is connected, and be suitable for to the valve gap connecting portion extend.
Optionally, in the matching mechanism of the valve body and the valve cover, any one of the reinforcing ribs is integrally formed with the transition connecting portion and the valve body.
A wedge gate valve comprises a valve body and a valve cover matching mechanism, wherein the matching mechanism is the matching mechanism.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a pair of cooperation mechanism of valve body and valve gap, include: the valve body is provided with a first valve rod hole; the valve cover is suitable for covering the valve body and is provided with a second valve rod hole; the first valve rod hole and the second valve rod hole are suitable for being communicated and form a valve rod channel, the transverse section of the valve rod channel is in a long waist hole shape, and the vertical distance between two side edges of the long waist hole is larger than the diameter size of the valve rod; the two side edges of the long waist hole are arc-shaped edges, and the vertical distance between the middle points of the two arc-shaped edges is smaller than the vertical distance between the corresponding two opposite end points, so that the arc-shaped edges are concave arc lines, and all the concave arc lines form concave arc surfaces which are close to the axis of the valve rod channel on the opposite two side walls of the valve rod channel; and the reinforcing part is arranged on the valve body corresponding to the concave cambered surface.
In the cooperation mechanism of this structure, through offering first valve stem hole and offering the second valve stem hole on the valve body respectively, first valve stem hole and second valve stem hole have formed the valve rod passageway, the transverse section of this valve rod passageway is long waist hole form, and its both sides limit is the setting of arc limit, this arc limit is the indent pitch arc in order to correspond in the valve rod passageway and form the indent cambered surface, it sets up the rib to correspond this indent cambered surface, because with the valve rod passageway indent setting, the installation space of rib has been increased, can improve the height of rib, can improve rib intensity after the rib height improves, and then improve the intensity and the rigidity of valve on the whole, realize the effect that improves the valve body bearing capacity, guarantee the sealing of valve, and this cooperation mechanism can be adapted to the valve of many specifications, overcome the wedge gate valve among the prior art in the use, the medium is when the medium passageway circulates, can exert the impact force to valve body and flashboard in succession, and under the effect of medium impact force can the variation, thereby lead to the defect that the valve can not normally use.
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 embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic overall structural view of an engagement mechanism provided in a first embodiment of the present invention;
FIG. 2 is a schematic structural view of a valve body;
FIG. 3 is a schematic structural view of the valve cover;
FIG. 4 is a schematic view of the position structure of the reinforcement portion and the transition connection portion;
FIG. 5 is a schematic transverse cross-sectional view of the stem passageway;
FIG. 6 is a schematic longitudinal sectional view of the engagement mechanism;
fig. 7 is a schematic view of a connection structure of a valve stem and a fitting mechanism of a wedge gate valve provided in a second embodiment;
description of the reference numerals:
1. a valve body; 101. a first valve stem bore; 102. a valve cover connecting part; 103. a flange; 104. a transition connection;
2. a valve cover; 201. a second valve stem bore; 202. a valve body connecting portion;
3. a valve stem passageway; 301. an arc-shaped edge; 302. an inner concave cambered surface;
4. a reinforcing portion; 401. a first reinforcing rib; 402. a second reinforcing rib;
5. a valve stem.
Detailed Description
The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood 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.
Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment describes a fitting mechanism of a valve body 1 and a bonnet 2, and referring to fig. 1 to 7, the fitting mechanism includes: the valve body 1 and the valve cover 2 are connected in an adaptive manner, wherein a first valve rod hole 101 is formed in the valve body 1, the valve cover 2 is suitable for covering the valve body 1, a second valve rod hole 201 is formed in the valve cover, the first valve rod hole 101 and the second valve rod hole 201 are suitable for being communicated and forming a valve rod channel 3, the transverse section of the valve rod channel 3 is in a long waist hole shape, the vertical distance between two side edges of the long waist hole is larger than the diameter size of the valve rod, so that the valve rod can be suitable for being inserted into the valve rod channel 3, the two side edges of the long waist hole are arranged in an arc edge 301, the vertical distance between the middle points of the two arc edges 301 is smaller than the vertical distance between the two corresponding opposite end points, the arc edge 301 is further made to be an inner concave arc line, all the inner concave arc lines form inner concave arc lines 302 close to the axis of the valve rod channel 3 on the two opposite side walls of the valve rod channel 3, and a reinforcing part 4 is arranged on the valve body 1 corresponding to the inner concave arc lines.
Through seting up first valve rod hole 101 and seting up second valve rod hole 201 on valve body 1 respectively, first valve rod hole 101 and second valve rod hole 201 have formed valve rod passageway 3, the transverse section of this valve rod passageway 3 is long waist poroid form, and its both sides limit is the setting of arc limit 301, this arc limit 301 is the indent pitch arc, all indent pitch arcs correspond in valve rod passageway 3 and form the indent cambered surface, it sets up rib 4 to correspond this indent cambered surface, owing to set up valve rod passageway 3 indent, the installation space of rib 4 has been increased, can improve rib 4's height, can improve rib intensity after rib 4's height improves, and then improve the intensity and the rigidity of valve on the whole, realize improving the effect of valve body 1 bearing capacity, guarantee the sealing of valve, and this cooperation mechanism can be adapted to the valve of many specifications.
When specifically using, press indent cambered surface simultaneously with valve body 1, valve gap 2 and set up, consequently the axial dimension of the medium passageway of valve body 1 can reduce, and then can reduce the weight of valve body 1 to practice thrift the manufacturing cost of valve body 1 and user's purchasing cost.
During specific application, can set up the angle setting of the side pitch arc in above-mentioned long waist hole 30, for the side in the valve rod hole of valve body 1 among the prior art for linear, set up the valve rod hole into long waist hole form in this embodiment, and set up its side into the arc, curved angle is 30, and this angle can be suitable for to give out the installation space of rib 4 on valve body 1, increases the whole height of rib 4, can guarantee again that the valve rod carries out stable rotation in valve rod passageway 3.
In this embodiment, set up above-mentioned reinforcement 4 to annular reinforcement 4, set up at least one annular reinforcement 4 on the outer wall of valve body 1 along above-mentioned valve rod passageway 3, the transverse section of each annular reinforcement 4 also sets up to long waist hole form, and the inboard of this annular reinforcement 4 is the indent pitch arc with valve rod passageway 3 adaptation, and when specifically applying, this annular reinforcement 4 is annular strengthening rib, and it sets up to two sets ofly, and corresponds its both sides flange 103 parallel arrangement on valve body 1.
In this embodiment, the valve body 1 may be provided with a first rib 401 and a second rib 402, the first rib 401 and the second rib 402 may be specifically disposed on the valve body 1 along the path of the valve stem passage 3, and the projection of the first rib 401 in the horizontal direction may fall into the projection of the second rib 402 in the horizontal direction.
In this embodiment, the valve body 1 includes the valve cover connecting portion 102, the valve cover 2 includes the valve body connecting portion 202, the transverse cross-sections of the valve body connecting portion 202 and the valve cover connecting portion 102 are both long waist hole shapes, and the arc-shaped edge 301 is an inward concave arc line, so as to provide the second valve rod hole 201 on the valve body connecting portion, so that the second valve rod hole 201 serves as a part of the valve rod channel 3, the valve neck of the valve body 1 is provided with the first valve rod hole 101, one end of the first valve rod hole 101 serves as the valve body connecting portion 202, the whole of the valve neck serves as another part of the valve rod channel 3, and the two parts constitute the valve rod channel 3.
A transition connecting part 104 is further arranged between the flange 103 on two sides of the valve neck and any one of the reinforcing ribs, the transition connecting part is correspondingly arranged on the valve body 1 in the concave arc surface, one end of the transition connecting part 104 is connected with the flange 103, and the other end of the transition connecting part is connected with all the reinforcing ribs and is suitable for extending towards the valve cover connecting part 102.
In this embodiment, any one of the ribs is integrally formed with the transition connection portion 104 and the valve body 1.
Example 2:
in the present embodiment, a wedge gate valve is described, referring to fig. 1 to 7, the wedge gate valve includes a valve body and a valve cover cooperating mechanism, the cooperating mechanism is the cooperating mechanism described in embodiment 1, and further includes a valve stem 5 and a gate plate, a third valve stem hole is formed on the valve cover 2, the radial area of the first valve stem hole 101 to the second valve stem hole 201 is gradually increased, the cross-sectional area of the second valve stem hole 201 is correspondingly adapted to the cross-sectional area of the first valve stem hole 101, and the valve stem is adapted to extend into the first valve stem hole 101 through the second valve stem hole 201 along the third valve stem hole and then is connected to the gate plate.
The wedge gate valve in this embodiment overall stability is high, can bear higher impact force, guarantees its leakproofness in the use.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (9)
1. The utility model provides a cooperation mechanism of valve body and valve gap which characterized in that includes:
the valve body (1) is provided with a first valve rod hole (101);
the valve cover (2) is suitable for covering the valve body (1) and is provided with a second valve rod hole (201);
the first valve rod hole (101) and the second valve rod hole (201) are suitable for being communicated and form a valve rod channel (3), the transverse section of the valve rod channel (3) is in a long waist hole shape, and the vertical distance between two side edges of the long waist hole is larger than the diameter size of a valve rod;
the two side edges of the long waist hole are arranged in an arc-shaped edge (301), the vertical distance of the middle point of the two arc-shaped edges (301) is smaller than the vertical distance of the corresponding two opposite end points, so that the arc-shaped edges (301) are in concave arc lines, and all the concave arc lines form concave arc surfaces (302) which are close to the axis of the valve rod channel (3) on the opposite two side walls of the valve rod channel (3);
and the reinforcing part (4) is arranged on the valve body (1) corresponding to the concave cambered surface (302).
2. A valve body and bonnet engagement as claimed in claim 1, wherein the angle of the arc of any one of the elongate slots is 30 °.
3. A valve body and bonnet engagement as claimed in claim 2, wherein the reinforcement (4) is an annular reinforcement (4), and wherein at least one annular reinforcement (4) is provided on the outer wall surface of the valve body (1) along the stem passageway (3).
4. A valve body and bonnet engagement mechanism as claimed in claim 3, wherein the transverse cross-section of any one of the annular reinforcement portions (4) is configured as a long waist hole, and the inner side of the annular reinforcement portion (4) and the stem passageway (3) are adapted to be concavely curved.
5. A valve body and valve cover cooperation mechanism according to claim 4, wherein the annular reinforcement (4) is annular reinforcing ribs arranged in two groups and arranged on the valve body (1) in parallel corresponding to the flanges (103) on the two sides.
6. The engagement mechanism of the valve body and the valve cover according to claim 5, wherein a first rib (401) and a second rib (402) are provided on the valve body (1), and a projection of the first rib (401) in the horizontal direction falls into a projection of the second rib (402) in the horizontal direction.
7. A valve body and bonnet engagement mechanism as claimed in claim 6, wherein the valve body (1) comprises a bonnet attachment portion (102);
and a transition connecting part (104) is further arranged between the two flanges (103) and any reinforcing rib and is arranged on the valve body (1) corresponding to the concave cambered surface, one end of the transition connecting part (104) is connected with the flanges (103), and the other end of the transition connecting part is connected with all the reinforcing ribs and is suitable for extending to the valve cover connecting part (102).
8. The valve body and bonnet engagement mechanism as claimed in claim 7, wherein any of the ribs is integrally formed with the transition joint (104) and the valve body (1).
9. A wedge gate valve comprising an engagement mechanism of a valve body and a valve cover, the engagement mechanism being as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221973273.0U CN217977450U (en) | 2022-07-28 | 2022-07-28 | Valve body and valve gap cooperation mechanism and wedge gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221973273.0U CN217977450U (en) | 2022-07-28 | 2022-07-28 | Valve body and valve gap cooperation mechanism and wedge gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217977450U true CN217977450U (en) | 2022-12-06 |
Family
ID=84282068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221973273.0U Active CN217977450U (en) | 2022-07-28 | 2022-07-28 | Valve body and valve gap cooperation mechanism and wedge gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217977450U (en) |
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2022
- 2022-07-28 CN CN202221973273.0U patent/CN217977450U/en active Active
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