CN219866513U - Cut-off valve - Google Patents
Cut-off valve Download PDFInfo
- Publication number
- CN219866513U CN219866513U CN202321294411.7U CN202321294411U CN219866513U CN 219866513 U CN219866513 U CN 219866513U CN 202321294411 U CN202321294411 U CN 202321294411U CN 219866513 U CN219866513 U CN 219866513U
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- shut
- spliced pole
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 239000000428 dust Substances 0.000 claims description 18
- 238000001125 extrusion Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Valve Housings (AREA)
Abstract
The utility model provides a cut-off valve, which comprises a valve body, a connecting column, a valve rod and a sealing assembly, wherein the valve rod is positioned in the connecting column, the sealing assembly is connected with one end of the valve rod and is positioned in the valve body to be matched with the valve rod for sealing so as to cut off and communicate a flow passage of the valve body, and the cut-off valve is characterized in that: the valve body is equipped with the connection platform with the continuous one end of spliced pole, the spliced pole is equipped with the connecting block corresponding with the connection platform towards the one end of valve body, the connecting block passes through the connecting piece fastening with the connection platform and links to each other. The utility model has good sealing performance, stable and firm connection.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a shut-off valve.
Background
The valve is a control component in the fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, diverting or overflow pressure relief and the like. The existing shut-off valve comprises a valve body, a connecting column, a valve rod, a sealing assembly and an actuator, wherein the connecting column is in threaded connection with the valve body, the valve rod is located in the connecting column, the sealing assembly is connected with one end of the valve rod and located in the valve body to be matched with the valve rod to seal so as to realize shut-off and communication of a flow passage of the valve body, and the actuator is fixed at the outer end of the valve rod. The connecting column of the conventional shut-off valve is in threaded connection with the valve body, so that the connecting strength is low, the connection is unstable, the threads are easy to wear, and the tightness between the connecting column and the valve body is poor.
Disclosure of Invention
In view of the above, an object of the present utility model is to provide a shut-off valve having excellent sealing properties, stable connection, and firmness.
Aiming at the problems, the following technical scheme is provided: the utility model provides a trip valve, includes valve body, spliced pole, valve rod and sealing component, the valve rod is located the spliced pole, sealing component links to each other with valve rod one end, and is located the valve body rather than the sealed shutoff and the intercommunication that realizes the valve body runner that cooperate, the one end that the valve body links to each other with the spliced pole is equipped with the connection platform, the one end of spliced pole orientation valve body is equipped with the connecting block corresponding with the connection platform, the connecting block passes through the connecting piece fastening with the connection platform and links to each other.
In the structure, after the connecting column and the valve body are correspondingly matched with each other through the connecting block and the connecting table, the connecting block is used for fastening connection, so that the contact area of the connecting column can be increased, the connection strength between the connecting column and the valve body is improved, and the connection stability between the connecting column and the valve body is improved.
The utility model is further characterized in that a sealing groove is formed in one end, facing the connecting block, of the connecting table, and a sealing gasket is arranged in the sealing groove.
In the above structure, the sealing property between the connecting table and the connecting column can be improved by arranging the sealing gasket, so that the sealing property of the utility model is improved.
The utility model further provides that the sealing grooves are offset by two groups.
By adopting the structure, the sealing performance between the connecting table and the connecting block can be further improved, and the reliability of the utility model is further improved.
The sealing groove is square, and the sealing gasket is O-shaped.
By adopting the structure, when the connecting block is abutted on the connecting table, the O-shaped sealing gasket is extruded, so that the O-shaped sealing gasket can be filled in the square sealing groove, the sealing performance between the connecting block and the connecting table can be further improved, and the reliability of the sealing gasket is improved.
The utility model is further arranged that the cross sections of the connecting table and the connecting block are square, the corners of the connecting table and the connecting block are provided with connecting holes, and the connecting piece adopts bolts and nuts.
In the structure, the bolts penetrate through the connecting holes to be matched with the nuts, so that the fastening connection between the connecting table and the connecting block is realized, the connection strength between the connecting column and the valve body is improved, and the firmness of the connecting table is improved.
The utility model is further characterized in that the connecting table and the valve body are integrally arranged, and the connecting block and the connecting column are integrally arranged.
By adopting the structure, the structural strength of the connecting column can be further improved, the connection strength between the connecting column and the valve body can be further improved, and the reliability of the valve is improved.
The utility model is further characterized in that an actuator matched with the valve rod in a transmission way is fixed on the connecting column, a limiting block is arranged at one end of the connecting column opposite to the connecting block, and a butterfly spring propped between the limiting block and the actuator is sleeved on the connecting column.
According to the structure, the installation of the actuator can be facilitated by arranging the limiting block, so that the convenience in assembly of the utility model is improved. Through the arrangement of the belleville springs, the limiting block and the actuator can be matched conveniently, so that when a user rotates the actuator to adjust the connecting position, the labor is saved, and the convenience in installation and use is improved.
The utility model is further arranged that the limiting block and the connecting column are integrally arranged, and the cross section of the limiting block is hexagonal.
By adopting the structure, a user can conveniently rotate the relative actuator through the cooperation of the tool and the limiting block, so that the convenience of adjustment in the installation process of the utility model is improved.
The utility model further provides that the actuator adopts a pneumatic actuator, the actuator comprises a shell and a piston which is positioned in the shell and matched with the valve rod, and two groups of sealing rings are sleeved on the outer circumferential wall of the piston at intervals.
In the structure, the two groups of sealing rings are arranged on the piston, so that the communication between the two cavities in the shell can be better isolated when the actuator operates, and the reliability of the actuator is improved.
The utility model further provides that the actuator further comprises a base which is positioned below the piston and matched with the shell, the base and the limiting block are in propping fit through the butterfly spring, a connecting nut matched with the base is screwed in the base at the top end of the connecting column, a through hole is formed in the axial direction of the connecting nut, and a copper sleeve sleeved on the valve rod is arranged in the through hole.
In the structure, the tightness between the connecting nut and the valve rod can be improved by arranging the copper sleeve, so that the valve rod is prevented from deflecting, the stability of the valve rod is improved, the abrasion between the valve rod and the connecting nut can be reduced, and the service life of the valve rod is prolonged.
The utility model further provides that the two ends of the valve body are plugged with dust covers, the dust covers comprise cover bodies and clamping arms, the cover bodies comprise shielding parts which are abutted against the end faces of the valve body and extrusion parts which are arranged in a protruding mode outwards relative to the valve body, shrinkage grooves used for fixing the clamping arms are formed in the extrusion parts, one ends of the clamping arms, which face the valve body, are provided with abutting blocks which face the inner wall of the valve body in a protruding mode, two groups of the clamping arms are symmetrically arranged relative to the central axis of the dust covers, and the two groups of the clamping arms face the inside of the flow passage of the valve body in a flaring mode.
In the structure, through pressing the extrusion part, two groups of clamping arms swing relatively, the clamping arms are inserted into the flow channel of the valve body, and after the shielding part abuts against the flow channel port of the valve body, the extrusion part is loosened, so that the two groups of clamping arms swing to abut against the inner wall of the flow channel in the valve body through elastic force formed by extrusion, and the dust cover is connected with the valve body in a clamping mode. The existing dust cover is designed according to the connection mode of the valve body, for example, when two ends of the valve body are connected with a pipeline through threads, the dust cover is connected with the valve body through threads.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic cross-sectional view of the present utility model.
Fig. 3 is an enlarged view of the structure at H in fig. 2.
Fig. 4 is a schematic structural view of the dust cap in the present utility model.
Fig. 5 is a schematic cross-sectional view of the dust cap of the present utility model.
The meaning of the reference numerals in the figures: 1-a valve body; 2-connecting columns; 3-a valve stem; 4-a seal assembly; 11-a connection station; 21-connecting blocks; a 5-connector; 111-sealing the groove; 6-sealing gasket; 7-connecting holes; 8-an actuator; 22-limiting blocks; 23-belleville springs; 81-a housing; 82-a piston; 821-sealing ring; 9-a dust cap; 91-a cover; 92-clamping arms; 911-shielding; 912—an extrusion; 913-a shrink tank; 921-abutment block; 83-a base; 84-connecting nuts; 841-copper sleeve.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, back, front, rear, lateral, longitudinal … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicators are correspondingly changed.
The utility model provides a trip valve as shown in fig. 1 through 5, includes valve body 1, spliced pole 2, valve rod 3 and seal assembly 4, valve rod 3 is located spliced pole 2, seal assembly 4 links to each other with valve rod 3 one end, and is located valve body 1 rather than the sealed shutoff and the intercommunication that realizes valve body 1 runner that realize, the one end that valve body 1 links to each other with spliced pole 2 is equipped with connecting block 11, the one end that spliced pole 2 orientation valve body 1 is equipped with the connecting block 21 corresponding with connecting block 11, connecting block 21 passes through connecting piece 5 fastening with connecting block 11 and links to each other.
In the above structure, after the connecting column 2 and the valve body 1 are correspondingly matched with the connecting table 11 through the connecting block 21, the connecting piece 5 is used for fastening connection, so that the contact area of the connecting column 2 can be increased, the connection strength between the connecting column 2 and the valve body 1 is improved, and the connection stability between the connecting column 2 and the valve body 1 is improved.
In this embodiment, a sealing groove 111 is provided at an end of the connection table 11 facing the connection block 21, and a gasket 6 is provided in the sealing groove 111.
In the above-described structure, the sealing property between the connection base 11 and the connection post 2 can be improved by providing the gasket 6, and thus the sealing property of the present utility model can be improved.
In this embodiment, the seal grooves 111 are offset by two groups.
With the above structure, the sealing property between the connection table 11 and the connection block 21 can be further improved, and the reliability of the present utility model can be further improved.
In this embodiment, the seal groove 111 is square, and the gasket 6 is O-shaped.
With the above configuration, when the connection block 21 is abutted against the connection base 11, the O-shaped gasket 6 can be pressed to fill the square seal groove 111, so that the sealing performance between the connection block 21 and the connection base 11 can be further improved, and the reliability of the present utility model can be improved.
In this embodiment, the cross sections of the connection table 11 and the connection block 21 are square, the corners of the connection table 11 and the connection block 21 are provided with connection holes 7, and the connection piece 5 is a bolt and a nut.
In the structure, the bolts penetrate through the connecting holes 7 to be matched with the nuts, so that the connection table 11 and the connecting block 21 are tightly connected, the connection strength between the connecting column 2 and the valve body 1 is improved, and the firmness of the utility model is improved.
In this embodiment, the connection table 11 is integrally provided with the valve body 1, and the connection block 21 is integrally provided with the connection column 2.
By adopting the structure, the structural strength of the connecting column 2 can be further improved, and the connection strength between the connecting column 2 and the valve body 1 can be further improved, so that the reliability of the utility model is improved.
In this embodiment, an actuator 8 in transmission fit with the valve rod 3 is fixed on the connection post 2, a stopper 22 is disposed at one end of the connection post 2 opposite to the connection block 21, and a belleville spring 23 abutting between the stopper 22 and the actuator 8 is sleeved on the connection post 2.
With the structure, the installation of the actuator 8 can be facilitated by arranging the limiting block 22, so that the convenience of the assembly of the utility model is improved. Through setting up belleville spring 23, can be convenient for cooperate between stopper 22 and the executor 8 to can be when the user rotates executor 8 and carry out the adjustment of hookup location, more laborsaving, the convenience when having improved the installation of this utility model and using.
In this embodiment, the limiting block 22 is integrally disposed with the connecting post 2, and the cross section of the limiting block is hexagonal.
By adopting the structure, a user can conveniently rotate the relative actuator 8 by matching the tool with the limiting block 22, so that the convenience of adjustment in the installation process of the utility model is improved.
In this embodiment, the actuator 8 is a pneumatic actuator 8, and the actuator 8 includes a housing 81 and a piston 82 disposed in the housing 81 and matched with the valve rod 3, and two sets of sealing rings 821 are sleeved on an outer circumferential wall of the piston 82 at intervals.
In the above structure, by providing two sets of sealing rings 821 on the piston 82, communication between two cavities in the housing 81 can be better isolated when the actuator 8 is operated, so that reliability of the actuator 8 in the utility model is improved.
In this embodiment, the actuator 8 further includes a base 83 located below the piston 82 and matched with the housing 81, the base 83 and the stopper 22 are in abutting fit with each other by the belleville spring 23, a connection nut 84 matched with the base 83 is screwed in the base 83 at the top end of the connection post 2, a through hole is formed in the axial direction of the connection nut 84, and a copper sleeve 841 sleeved on the valve rod 3 is disposed in the through hole.
In the above structure, the tightness between the connecting nut 84 and the valve rod 3 can be improved by arranging the copper sleeve 841, so that the deflection of the valve rod 3 is avoided, the stability of the valve rod 3 is improved, the abrasion between the valve rod 3 and the connecting nut 84 can be reduced, and the service life of the valve rod 3 is prolonged.
In this embodiment, the plug of valve body 1 both ends is equipped with shield 9, shield 9 includes lid 91 and joint arm 92, the lid 91 includes the portion of sheltering from 911 with the terminal surface looks butt of valve body 1 and the extrusion portion 912 that the outside arch of relative valve body 1 set up, set up the shrink groove 913 that is used for fixed joint arm 92 in the extrusion portion 912, the one end of joint arm 92 towards valve body 1 is equipped with the butt piece 921 that the protruding setting of orientation valve body 1 inner wall, joint arm 92 is provided with two sets of relative shield 9 central axis symmetry, two sets of joint arm 92 are the flaring setting towards valve body 1 runner inside.
In the above structure, by pressing the pressing portion 912, the two sets of clamping arms 92 are relatively swung, the clamping arms 92 are inserted into the flow passage of the valve body 1, and after the shielding portion 911 abuts against the flow passage port of the valve body 1, the pressing portion 912 is released, so that the two sets of clamping arms 92 swing to abut against the inner wall of the flow passage in the valve body 1 through the elastic force formed by pressing, and the dust cover 9 is in clamping connection with the valve body 1. The existing dust cap 9 is designed according to the connection mode of the valve body 1, for example, when two ends of the valve body 1 are connected with a pipeline through threads, the dust cap 9 is connected with the valve body 1 through threads, and in the utility model, the dust cap 9 is connected with the valve body 1 through the clamping arm 92 in a clamping way, so that the dust cap 9 is more universal, can be applied to different connection modes of the valve body 1 in the utility model, and the application range of the dust cap 9 is enlarged.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (10)
1. The utility model provides a trip valve, includes valve body, spliced pole, valve rod and sealing component, the valve rod is located the spliced pole, sealing component links to each other with valve rod one end, and is located the valve body and rather than the sealed shutoff and the intercommunication that realizes the valve body runner of cooperation, its characterized in that: the valve body is equipped with the connection platform with the continuous one end of spliced pole, the spliced pole is equipped with the connecting block corresponding with the connection platform towards the one end of valve body, the connecting block passes through the connecting piece fastening with the connection platform and links to each other.
2. A shut-off valve according to claim 1, wherein: the sealing groove is arranged at one end of the connecting table, which faces the connecting block, and a sealing gasket is arranged in the sealing groove.
3. A shut-off valve as defined in claim 2 wherein: the seal grooves are offset by two groups.
4. A shut-off valve as defined in claim 2 wherein: the seal groove is square, and the sealing gasket is O-shaped.
5. A shut-off valve according to claim 1, wherein: the cross section of connection platform and connecting block is square, the connecting hole has all been seted up to the corner of connection platform and connecting block, the connecting piece adopts bolt and nut.
6. A shut-off valve according to claim 1, wherein: the connecting table is integrally arranged with the valve body, and the connecting block is integrally arranged with the connecting column.
7. A shut-off valve according to claim 1, wherein: be fixed with on the spliced pole with valve rod transmission complex executor, the one end of spliced pole relative connecting block is equipped with the stopper, the cover is equipped with the belleville spring that supports between stopper and executor on the spliced pole.
8. A shut-off valve as defined in claim 7 wherein: the limiting block and the connecting column are integrally arranged, and the cross section of the limiting block is hexagonal.
9. A shut-off valve as defined in claim 7 wherein: the actuator adopts pneumatic actuator, the actuator includes casing and be located the casing with valve rod matched with piston, the spacer sleeve is equipped with two sets of sealing washer on the outer circumference wall of piston.
10. A shut-off valve according to claim 1, wherein: the two end plugs of the valve body are provided with dust covers, the dust covers comprise cover bodies and clamping arms, the cover bodies comprise shielding parts which are in butt joint with end faces of the valve body and extrusion parts which are arranged in a protruding mode outwards relative to the valve body, shrinkage grooves used for fixing the clamping arms are formed in the extrusion parts, one ends of the clamping arms, which face the valve body, are provided with abutting blocks which face the protruding mode of the inner wall of the valve body, the clamping arms are symmetrically provided with two groups relative to the central axis of the dust covers, and the two groups of clamping arms face the inside of a flow channel of the valve body and are arranged in a flaring mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321294411.7U CN219866513U (en) | 2023-05-25 | 2023-05-25 | Cut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321294411.7U CN219866513U (en) | 2023-05-25 | 2023-05-25 | Cut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219866513U true CN219866513U (en) | 2023-10-20 |
Family
ID=88325624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321294411.7U Active CN219866513U (en) | 2023-05-25 | 2023-05-25 | Cut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219866513U (en) |
-
2023
- 2023-05-25 CN CN202321294411.7U patent/CN219866513U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |