CN209084128U - A kind of pneumatic Outside screw stem rising through handwheel type gate valve of coupling type - Google Patents
A kind of pneumatic Outside screw stem rising through handwheel type gate valve of coupling type Download PDFInfo
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- CN209084128U CN209084128U CN201821991141.4U CN201821991141U CN209084128U CN 209084128 U CN209084128 U CN 209084128U CN 201821991141 U CN201821991141 U CN 201821991141U CN 209084128 U CN209084128 U CN 209084128U
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- piston rod
- fixedly connected
- piston
- bottom end
- mounting base
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Abstract
The utility model relates to a kind of pneumatic Outside screw stem rising through handwheel type gate valve of coupling type, including piston cylinder, the top of the piston cylinder is fixedly connected with plug, the bottom end of the piston cylinder is fixedly connected with piston rod mounting base, piston rod is connected in the inner hole of the piston rod mounting base, the top of the piston rod is fixedly connected with piston, the outer wall of the piston offers seal groove, the inside of the seal groove is fixedly connected with sealing ring, the top and bottom of the piston cylinder right side wall have been respectively fixedly connected with air inlet connector one and air inlet connector two, the bottom end two sides of the piston rod mounting base pass through fixing bolt respectively and are fixedly connected with connected with outer casing, the bottom end of the piston rod, which is run through, enters connected with outer casing, the bottom end of the piston rod is threaded with upper connecting base, the bottom end of the upper connecting base is fixedly connected with lower connection by fixing bolt Seat.The utility model is simple and reasonable, and adjusting is easy to use, and cost is low, practical.
Description
Technical field
The utility model relates to gate valve technical fields, are specifically related to a kind of pneumatic Outside screw stem rising through handwheel type gate valve of coupling type.
Background technique
Gate valve is most common truncation class valve in industrial pipeline.Such valve has flow resistance small, with medium model
Wide, the advantages that bodily form is fairly simple, and casting manufacturability is preferable is enclosed, every field is widely used in.Most of gate valves lean on gear
The actuators such as case, electrical header carry out the remote controlled advantage of controlled valve, especially electrical header more by the popularization of user, but
Electrical header also has disadvantage to be not particularly suited for inflammable and explosive environment, in addition operation and maintenance cost is big, in this case often
Electrical header is replaced with pneumatic head.But pneumatic head is applied in the seldom of Outside screw stem rising through handwheel type gate valve, so not being widely used.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of pneumatic Outside screw stem rising through handwheel type gate valve of coupling type, solve pneumatic
Head is applied to the problem on Outside screw stem rising through handwheel type gate valve.
In order to solve the above technical problems, the utility model is the following technical schemes are provided: a kind of pneumatic rising stem (RS.) lock of coupling type
Valve, including piston cylinder, the top of the piston cylinder are fixedly connected with plug, and the bottom end of the piston cylinder is fixedly connected with work
Stopper rod mounting base is connected with piston rod in the inner hole of the piston rod mounting base, and the top of the piston rod is fixedly connected
There is piston, the outer wall of the piston offers seal groove, and the inside of the seal groove is fixedly connected with sealing ring, the piston cylinder
The top and bottom of right side wall have been respectively fixedly connected with air inlet connector one and air inlet connector two, the piston rod mounting base
Bottom end two sides pass through fixing bolt respectively and are fixedly connected with connected with outer casing, and the bottom end of the piston rod, which is run through, enters connected with outer casing,
The bottom end of the piston rod is threaded with upper connecting base, and the bottom end of the upper connecting base is fixedly connected with down by fixing bolt
Attachment base, the bottom thread of the lower connecting base are connected with valve rod, and the bottom end two sides of the connected with outer casing pass through fixed spiral shell respectively
Bolt is fixedly connected with valve body connection frame, and the bottom end two sides of the valve body connection frame pass through fixing bolt respectively and are fixedly connected with valve
The bottom end of body, the valve rod enters valve inner through valve body connection frame.
On the basis of above scheme, the piston rod and the inner hole of piston rod mounting base are slidably matched.
On the basis of above scheme, the outer wall of the piston rod mounting base is close by the inner wall of O-ring seal and piston cylinder
The inner hole of envelope, the piston rod mounting base is sealed by the outer wall of O-ring seal and piston rod.
On the basis of above scheme, the O-ring seal and sealing ring are that rubber material is made.
On the basis of above scheme, the piston is slidably matched with piston cylinder.
The utility model has the beneficial effect that a kind of pneumatic Outside screw stem rising through handwheel type gate valve of coupling type compared with prior art, is
Now valvular valve stem part is improved, it is more safe and reliable in valve use using this structure, be effectively prevented from because
The limitation that actuator uses under inflammable and explosive equal special operation conditions, has expanded pneumatic head in the application of Outside screw stem rising through handwheel type gate valve, in addition pneumatic
The advantage of head operation and maintenance cost, the pneumatic Outside screw stem rising through handwheel type gate valve of coupling type have the stronger market competitiveness, the utility model knot
Structure advantages of simple, adjusting is easy to use, and cost is low, practical.
Detailed description of the invention
Fig. 1 is a kind of pneumatic Outside screw stem rising through handwheel type gate valve structural schematic diagram of coupling type of the utility model.
Figure label are as follows: 1- piston cylinder, 2- plug, 3- piston rod mounting base, 4- piston rod, 5- piston, 6- sealing ring, 7-
Air inlet connector one, 8- air inlet connector two, 9- fixing bolt, 10- connected with outer casing, 11- upper connecting base, 12- lower connecting base,
13- valve rod, 14- valve body connection frame, 15- valve body, 16-O type sealing ring.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
Known to referring to Fig.1: a kind of pneumatic Outside screw stem rising through handwheel type gate valve of coupling type, including piston cylinder 1, it is characterised in that: piston cylinder 1
Top is fixedly connected with plug 2, and the bottom end of piston cylinder 1 is fixedly connected with piston rod mounting base 3, the inner hole of piston rod mounting base 3
In be connected with piston rod 4, piston rod 4 and the inner hole of piston rod mounting base 3 are slidably matched, the outer wall of piston rod mounting base 3
It is sealed by the inner wall of O-ring seal 16 and piston cylinder 1, the inner hole of piston rod mounting base 3 passes through O-ring seal 16 and piston rod
4 outer wall sealing, the top of piston rod 4 are fixedly connected with piston 5, and piston 5 is slidably matched with piston cylinder 1, and the outer wall of piston 5 is opened
Equipped with seal groove, the inside of seal groove is fixedly connected with sealing ring 6, and O-ring seal 16 and sealing ring 6 are rubber material system
At sealing effect is good, and the top and bottom of 1 right side wall of piston cylinder have been respectively fixedly connected with air inlet connector 1 and have connected with air inlet
First 28, the bottom end two sides of piston rod mounting base 3 pass through fixing bolt 9 respectively and are fixedly connected with connected with outer casing 10, piston rod 4
Bottom end, which is run through, enters connected with outer casing 10, and the bottom end of piston rod 4 is threaded with upper connecting base 11, and the bottom end of upper connecting base 11 passes through
Fixing bolt 9 is fixedly connected with lower connecting base 12, and the bottom thread of lower connecting base 12 is connected with valve rod 13, the bottom of connected with outer casing 10
End two sides pass through fixing bolt 9 respectively and are fixedly connected with valve body connection frame 14, and the bottom end two sides of valve body connection frame 14 pass through respectively
Fixing bolt 9 is fixedly connected with valve body 15, and the bottom end of valve rod 13 enters inside valve body 15 through valve body connection frame 14.
The principles of the present invention and advantage: a kind of pneumatic Outside screw stem rising through handwheel type gate valve of coupling type is to now valvular valve stem
Divide and improve, when in use, air inlet connector 28 and air inlet connector 1 is separately connected to external admission line, work as valve
Door is closed when needing to open, 28 air inlet of air inlet connector, one 7 outlet of air inlet connector, and zone of pressure piston 5 moves up, piston 5
Piston rod 4 is driven to move up, piston rod 4 drives upper connecting base 11 to move up, and upper connecting base 11 drives on lower connecting base 12 and valve rod 13
It moves, valve rod 13 is opened with the valve in moving valve 15, and when closing valve, one 7 air inlet of air inlet connector, air inlet connector 28 goes out
Gas, zone of pressure piston 5 move down, and piston 5 drives piston rod 4 to move down, and piston rod 4 drives upper connecting base 11 to move down, upper connecting base
11 drive lower connecting bases 12 and valve rod 13 move down, and valve rod 13 is closed with the valve in moving valve 15, present structure and original structure
It compares, this structural behaviour is reliable, and it is at low cost, it is easy to maintenance, it is good to the adaptability of environment, expand use occasion.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (5)
1. a kind of pneumatic Outside screw stem rising through handwheel type gate valve of coupling type, including piston cylinder (1), it is characterised in that: the top of the piston cylinder (1) is solid
Surely it is connected with plug (2), the bottom end of the piston cylinder (1) is fixedly connected with piston rod mounting base (3), the piston rod mounting base
(3) it is connected in inner hole piston rod (4), the top of the piston rod (4) is fixedly connected with piston (5), the piston
(5) outer wall offers seal groove, and the inside of the seal groove is fixedly connected with sealing ring (6), piston cylinder (1) right side wall
Top and bottom be respectively fixedly connected with air inlet connector one (7) and air inlet connector two (8), the piston rod mounting base
(3) bottom end two sides pass through fixing bolt (9) respectively and are fixedly connected with connected with outer casing (10), and the bottom end of the piston rod (4) is passed through
It pierces into connected with outer casing (10), the bottom end of the piston rod (4) is threaded with upper connecting base (11), the upper connecting base (11)
Bottom end be fixedly connected with lower connecting base (12) by fixing bolt (9), the bottom thread of the lower connecting base (12) is connected with
Valve rod (13), the bottom end two sides of the connected with outer casing (10) pass through fixing bolt (9) respectively and are fixedly connected with valve body connection frame
(14), the bottom end two sides of the valve body connection frame (14) pass through fixing bolt (9) respectively and are fixedly connected with valve body (15), the valve
The bottom end of bar (13) enters valve body (15) inside through valve body connection frame (14).
2. the pneumatic Outside screw stem rising through handwheel type gate valve of a kind of coupling type according to claim 1, which is characterized in that the piston rod (4) with
The inner hole of piston rod mounting base (3) is slidably matched.
3. the pneumatic Outside screw stem rising through handwheel type gate valve of a kind of coupling type according to claim 1, which is characterized in that the piston rod mounting base
(3) outer wall is sealed by the inner wall of O-ring seal (16) and piston cylinder (1), and the inner hole of the piston rod mounting base (3) passes through
The outer wall of O-ring seal (16) and piston rod (4) seals.
4. the pneumatic Outside screw stem rising through handwheel type gate valve of a kind of coupling type according to claim 3, which is characterized in that the O-ring seal
(16) and sealing ring (6) is that rubber material is made.
5. the pneumatic Outside screw stem rising through handwheel type gate valve of a kind of coupling type according to claim 1, which is characterized in that the piston (5) and work
Plug tube (1) is slidably matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821991141.4U CN209084128U (en) | 2018-11-30 | 2018-11-30 | A kind of pneumatic Outside screw stem rising through handwheel type gate valve of coupling type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821991141.4U CN209084128U (en) | 2018-11-30 | 2018-11-30 | A kind of pneumatic Outside screw stem rising through handwheel type gate valve of coupling type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209084128U true CN209084128U (en) | 2019-07-09 |
Family
ID=67126178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821991141.4U Active CN209084128U (en) | 2018-11-30 | 2018-11-30 | A kind of pneumatic Outside screw stem rising through handwheel type gate valve of coupling type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209084128U (en) |
-
2018
- 2018-11-30 CN CN201821991141.4U patent/CN209084128U/en active Active
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