CN212776099U - Pneumatic cut-off valve - Google Patents
Pneumatic cut-off valve Download PDFInfo
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- CN212776099U CN212776099U CN202021250590.0U CN202021250590U CN212776099U CN 212776099 U CN212776099 U CN 212776099U CN 202021250590 U CN202021250590 U CN 202021250590U CN 212776099 U CN212776099 U CN 212776099U
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Abstract
The utility model discloses a pneumatic trip valve belongs to the valve field, including valve body and cylinder, the lower terminal surface sliding connection of cylinder is in the inside upper end of valve body, the tip side fixed mounting of cylinder has the sealing ring, sealing ring sliding connection is in the inside side of valve body, cylinder side fixed mounting has first connecting ring, the lower terminal surface contact of first connecting ring is connected in the up end of valve body upper end side fixed mounting's second go-between, lower terminal surface one side fixed mounting of first connecting ring has the sealed piece of annular, the sealed piece sliding connection of annular is in the inside of the seal groove that second go-between up end was seted up, the mounting groove has evenly been seted up to the up end of first connecting ring, the through-hole has been seted up to the tip of mounting groove, the inside sliding connection of. This pneumatic trip valve can carry out double sealing to the clearance between valve body and the cylinder through sealing ring and the sealed piece of annular, avoids taking place to reveal, improves the result of use.
Description
Technical Field
The utility model relates to a valve field, more specifically say, relate to a pneumatic trip valve.
Background
The pneumatic cut-off valve has the function of quick cut-off, has simple structure, sensitive response and reliable action, and can be widely applied to industrial production departments such as petroleum, chemical engineering, metallurgy and the like.
The sealing structure of the joint of the cylinder and the valve body on the traditional pneumatic cut-off valve is simple, leakage is easy to occur in the using process, the using effect is poor, the bolt for connecting the traditional pneumatic cut-off valve is easy to loosen and release in the connecting process, and the mounting effect is poor.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a pneumatic trip valve can carry out double seal to the clearance between valve body and the cylinder through sealing ring and the sealed piece of annular, avoids taking place to reveal, improves the result of use, and elasticity through the elastic metal piece can avoid the bolt to loosen and take off in the connection process, improves the installation effect.
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model provides a pneumatic trip valve, includes valve body and cylinder, the lower terminal surface sliding connection of cylinder is in the inside upper end of valve body, the tip side fixed mounting of cylinder has the sealing ring, sealing ring sliding connection is in the inside side of valve body, cylinder side fixed mounting has first go-between, the lower terminal surface contact of first go-between is connected in the up end of valve body upper end side fixed mounting's second go-between, the lower terminal surface one side fixed mounting of first go-between has the sealed piece of annular, the sealed piece sliding connection of annular is in the inside of the seal groove that second go-between up end was seted up, can carry out double sealing to the clearance between valve body and the cylinder through sealing ring and sealed piece, avoids taking place to reveal, improves the result of use, and elasticity through the elastic metal piece can avoid the bolt to loose in connection and take off, improves the installation effectiveness.
Further, the sealing ring is made of sealing rubber materials, and can be used for preliminarily sealing a gap between the cylinder and the valve body through the sealing ring, so that leakage is avoided, and the sealing effect is improved.
Further, the annular sealing block is made of sealing plastic materials, and through the cooperation between the annular sealing block and the sealing groove, the gap between the cylinder and the valve body can be sealed secondarily, so that the sealing effect is further improved.
Furthermore, the upper end surface of the first connecting ring is uniformly provided with a mounting groove, the end part of the mounting groove is provided with a through hole, the inside of the through hole is connected with a bolt in a sliding manner, one end of the bolt is in threaded connection with the inside of the threaded through hole formed in the upper end surface of the second connecting ring, and the first connecting ring and the second connecting ring can be connected together through the matching between the bolt and the threaded through hole, so that the cylinder and the valve body are fixed together.
Further, the tip of mounting groove is located the equal fixed mounting in through-hole both sides and has the elastic metal piece, the up end contact of elastic metal piece is connected in the tip side of bolt, under the elastic force effect of elastic metal piece, can avoid the bolt to loosen and take off at the connection in-process, improves the installation effect.
Compared with the prior art, the utility model has the advantages of:
(1) this scheme can carry out double sealing to the clearance between valve body and the cylinder through sealing ring and annular seal piece, avoids taking place to reveal, improves the result of use, and elasticity through the elastic metal piece can avoid the bolt pine to take off in the connection, improves the installation effect.
(2) The sealing ring is made of sealing rubber materials, the gap between the cylinder and the valve body can be preliminarily sealed through the sealing ring, leakage is avoided, and the sealing effect is improved.
(3) The annular sealing block is made of sealing plastic materials, and through the cooperation between the annular sealing block and the sealing groove, the gap between the cylinder and the valve body can be sealed secondarily, so that the sealing effect is further improved.
(4) The mounting groove has evenly been seted up to the up end of first go-between, and the through-hole has been seted up to the tip of mounting groove, and the inside sliding connection of through-hole has the bolt, and one end threaded connection of bolt is in the inside of the screw through-hole that second go-between up end was seted up, through the cooperation between bolt and the screw through-hole, can link together first go-between and second go-between to be in the same place cylinder and valve body are fixed.
(5) The tip of mounting groove is located the equal fixed mounting in through-hole both sides and has the elasticity sheetmetal, and the up end contact of elasticity sheetmetal is connected in the tip side of bolt, under the elastic force effect of elasticity sheetmetal, can avoid the bolt in the connection-process pine to take off, improves the installation effect.
Drawings
Fig. 1 is a front sectional view of the present invention;
FIG. 2 is an enlarged view of the point A of the present invention;
fig. 3 is a top view of the cylinder structure of the present invention.
The reference numbers in the figures illustrate:
the valve comprises a valve body 1, a cylinder 2, a sealing ring 3, a first connecting ring 4, a mounting groove 41, a through hole 42, a bolt 43, a threaded through hole 44, an elastic metal sheet 45, a second connecting ring 5, an annular sealing block 6 and a sealing groove 7.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-3, a pneumatic cut-off valve comprises a valve body 1 and a cylinder 2, referring to fig. 1, 2 and 3, a lower end surface of the cylinder 2 is slidably connected to an inner upper end of the valve body 1, a sealing ring 3 is fixedly mounted on a side surface of an end portion of the cylinder 2, the sealing ring 3 is slidably connected to an inner side surface of the valve body 1, the sealing ring 3 is made of a sealing rubber material, a gap between the cylinder 2 and the valve body 1 can be preliminarily sealed by the sealing ring 3, leakage is prevented, and a sealing effect is improved, a first connecting ring 4 is fixedly mounted on a side surface of the cylinder 2, a lower end surface of the first connecting ring 4 is in contact connection with an upper end surface of a second connecting ring 5 fixedly mounted on a side surface of an upper end of the valve body 1, a contact area at a connection position of the valve body 1 and the cylinder 2 can be increased by the first connecting ring 4 and the second connecting ring 5, the annular sealing block 6 is connected in the sealing groove 7 arranged on the upper end surface of the second connecting ring 5 in a sliding manner, the annular sealing block 6 is made of sealing plastic materials, the gap between the cylinder 2 and the valve body 1 can be sealed for the second time through the matching between the annular sealing block 6 and the sealing groove 7, the sealing effect is further improved, the upper end surface of the first connecting ring 4 is uniformly provided with a mounting groove 41, the end part of the mounting groove 41 is provided with a through hole 42, the inside of the through hole 42 is connected with a bolt 43 in a sliding manner, one end of the bolt 43 is connected in a threaded through hole 44 arranged on the upper end surface of the second connecting ring 5 in a threaded manner, the first connecting ring 4 and the second connecting ring 5 can be connected together through the matching between the bolt 43 and the threaded through hole 44, so that the cylinder 2 and the valve body 1 are fixed together, the end part of the mounting groove 41 is, the upper end face of the elastic metal sheet 45 is in contact connection with the side face of the end part of the bolt 43, and under the elastic action of the elastic metal sheet 45, the bolt 43 can be prevented from loosening in the connection process, and the installation effect is improved.
During installation, insert cylinder 2 lower extreme tip in the opening of valve body 1 tip, make first go-between 4 and second go-between 5 contact, can make annular seal piece 6 insert the inside of seal groove 7, under the effect of sealing ring 3 and annular seal piece 6, can carry out double sealing to the clearance between valve body 1 and the cylinder 2, avoid appearing, improve the result of use, after first go-between 4 and second go-between 5 contact, make through-hole 42 and screw through-hole 44 align, insert the inside of through-hole 42 with bolt 43 again, rotatory bolt 43, make the inside of one end screw in screw through-hole 44 of bolt 43, when the tip side of bolt 43 tightly extrudes elastic metal piece 45, can accomplish the installation, under elastic metal piece 45's effect, can avoid bolt 43 pine to take off, improve the installation effect.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides a pneumatic trip valve, includes valve body (1) and cylinder (2), its characterized in that: the lower terminal surface sliding connection of cylinder (2) is in the inside upper end of valve body (1), the tip side fixed mounting of cylinder (2) has sealing ring (3), sealing ring (3) sliding connection is in the inside side of valve body (1), cylinder (2) side fixed mounting has first connecting ring (4), the lower terminal surface contact of first connecting ring (4) is connected in the up end of valve body (1) upper end side fixed mounting's second go-between (5), the lower terminal surface one side fixed mounting of first connecting ring (4) has annular seal piece (6), annular seal piece (6) sliding connection is in the inside of seal groove (7) that second go-between (5) up end was seted up.
2. A pneumatic shut-off valve according to claim 1 characterised in that: the sealing ring (3) is made of sealing rubber materials.
3. A pneumatic shut-off valve according to claim 1 characterised in that: the annular sealing block (6) is made of sealing plastic materials.
4. A pneumatic shut-off valve according to claim 1 characterised in that: the upper end face of the first connecting ring (4) is uniformly provided with a mounting groove (41), the end part of the mounting groove (41) is provided with a through hole (42), the inside of the through hole (42) is slidably connected with a bolt (43), and one end of the bolt (43) is in threaded connection with the inside of a threaded through hole (44) formed in the upper end face of the second connecting ring (5).
5. A pneumatic shut-off valve according to claim 4 characterised in that: the end of the mounting groove (41) is located on two sides of the through hole (42) and is fixedly provided with an elastic metal sheet (45), and the upper end face of the elastic metal sheet (45) is in contact connection with the side face of the end of the bolt (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021250590.0U CN212776099U (en) | 2020-06-30 | 2020-06-30 | Pneumatic cut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021250590.0U CN212776099U (en) | 2020-06-30 | 2020-06-30 | Pneumatic cut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212776099U true CN212776099U (en) | 2021-03-23 |
Family
ID=75086493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021250590.0U Active CN212776099U (en) | 2020-06-30 | 2020-06-30 | Pneumatic cut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212776099U (en) |
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2020
- 2020-06-30 CN CN202021250590.0U patent/CN212776099U/en active Active
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