CN203906807U - Stop valve for screw machine - Google Patents

Stop valve for screw machine Download PDF

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Publication number
CN203906807U
CN203906807U CN201420198797.6U CN201420198797U CN203906807U CN 203906807 U CN203906807 U CN 203906807U CN 201420198797 U CN201420198797 U CN 201420198797U CN 203906807 U CN203906807 U CN 203906807U
Authority
CN
China
Prior art keywords
valve
screw machine
valve body
stop valve
machine stop
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.)
Expired - Fee Related
Application number
CN201420198797.6U
Other languages
Chinese (zh)
Inventor
李永达
吴月初
薛云龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XINCHANG LIYONGDA REFRIGERATION MACHINERY Co Ltd
Original Assignee
XINCHANG LIYONGDA REFRIGERATION MACHINERY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by XINCHANG LIYONGDA REFRIGERATION MACHINERY Co Ltd filed Critical XINCHANG LIYONGDA REFRIGERATION MACHINERY Co Ltd
Priority to CN201420198797.6U priority Critical patent/CN203906807U/en
Application granted granted Critical
Publication of CN203906807U publication Critical patent/CN203906807U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a stop valve for a screw machine. The stop valve comprises a valve body; a valve rod and a valve disk are respectively arranged in the valve body, wherein the valve rod is connected with the valve disk through a cylindrical pin; a spring is arranged between the valve rod and the valve disk; the valve body is connected with a sleeve through a bolt; a flange sleeves the sleeve. The stop valve for the screw machine is simple in structure and convenient to mount, and the sealing property of the stop valve is greatly improved by matching the flange and the sleeve.

Description

A kind of screw machine stop valve
Technical field
The utility model relates to a kind of screw machine stop valve.
Background technique
Screw machine is being utilized in the market widely, along with scientific and technological development also constantly improves for the requirement of screw machine, also improves constantly for the requirement of screw machine stop valve.But all there is the problems such as sealing is not high in the stop valve using on market at present.
Summary of the invention
For addressing the above problem, the purpose of this utility model is to provide a kind of screw machine stop valve, and it is simple in structure, easy for installation, flange and sleeve pipe be used in conjunction with the sealing that has greatly improved stop valve.
The utility model is the object that reaches above-mentioned, and the utility model adopts following technological scheme
A kind of screw machine stop valve, comprises valve body, is separately installed with valve rod, valve disc in described valve body, and wherein said valve rod is connected with valve disc by straight pin, and between described valve rod, valve disc, spring is installed; Described valve body is connected with sleeve pipe by bolt, and described sleeve pipe is set with flange outward.
The first pad, lower seal, upper seal ring, the second pad, filler screw are installed between described valve rod and valve body from top to bottom successively.
Described valve body top is provided with cap, and O type rubber seal is installed in the described cap contacting with valve body.
Described valve disc bottom is provided with seal ring.
Between described valve body and pipe box, paper gasket is installed.
On described straight pin, snap ring is installed.
The beneficial effects of the utility model are: the utility model provides a kind of screw machine stop valve, and it is simple in structure, easy for installation, flange and sleeve pipe be used in conjunction with the sealing that has greatly improved stop valve.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of screw machine stop valve, comprises valve body 5, is separately installed with valve rod 12, valve disc 9 in described valve body 5, wherein said valve rod 12 is connected with valve disc 9 by straight pin 10, and between described valve rod 12, valve disc 9, spring 7 is installed; The setting of spring 7 can improve the sealing of stop valve in the time of cut-off.On described straight pin 10, snap ring 11 is installed.Described valve body 5 is connected with sleeve pipe 3 by bolt 1, the outer flange 2 that is set with of described sleeve pipe 3.The first pad 6, lower seal 14, upper seal ring 15, the second pad 13, filler screw 16 are installed between described valve rod 12 and valve body 5 from top to bottom successively.The installation of the first pad 6, lower seal 14, upper seal ring 15, the second pad 13 has improved the sealing between valve rod 12 and valve body 5 greatly, and fixing effect is played in the installation of filler screw 16.Described valve body 5 tops are provided with cap 18, in the described cap 18 contacting with valve body 5, O type rubber seal 17 are installed.The installation of O type rubber seal 17 improves the sealing between cap 18 and valve body 5.Described valve disc 9 bottoms are provided with seal ring 8.In the time that stop valve ends, the setting of seal ring 8 can improve the sealing between valve disc 9 and valve body 5.Between described valve body 5 and pipe box 3, paper gasket 4 is installed.The installation of paper gasket 4 improves the sealing between valve body 5 and pipe box 3.
A kind of screw machine stop valve described in the present embodiment, it is simple in structure, easy for installation, flange and sleeve pipe be used in conjunction with the sealing that has greatly improved stop valve.

Claims (6)

1. a screw machine stop valve, it is characterized in that: comprise valve body (5), in described valve body (5), be separately installed with valve rod (12), valve disc (9), described valve rod (12) is connected with valve disc (9) by straight pin (10), and between described valve rod (12), valve disc (9), spring (7) is installed; Described valve body (5) is connected with sleeve pipe (3) by bolt (1), the outer flange (2) that is set with of described sleeve pipe (3).
2. a kind of screw machine stop valve according to claim 1, is characterized in that: the first pad (6), lower seal (14), upper seal ring (15), the second pad (13), filler screw (16) are installed between described valve rod (12) and valve body (5) from top to bottom successively.
3. a kind of screw machine stop valve according to claim 1, is characterized in that: described valve body (5) top is provided with cap (18), in the described cap (18) contacting with valve body (5), O type rubber seal (17) is installed.
4. a kind of screw machine stop valve according to claim 1, is characterized in that: described valve disc (9) bottom is provided with seal ring (8).
5. a kind of screw machine stop valve according to claim 1, is characterized in that: between described valve body (5) and pipe box (3), paper gasket (4) is installed.
6. a kind of screw machine stop valve according to claim 1, is characterized in that: snap ring (11) is installed on described straight pin (10).
CN201420198797.6U 2014-04-22 2014-04-22 Stop valve for screw machine Expired - Fee Related CN203906807U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420198797.6U CN203906807U (en) 2014-04-22 2014-04-22 Stop valve for screw machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420198797.6U CN203906807U (en) 2014-04-22 2014-04-22 Stop valve for screw machine

Publications (1)

Publication Number Publication Date
CN203906807U true CN203906807U (en) 2014-10-29

Family

ID=51781088

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420198797.6U Expired - Fee Related CN203906807U (en) 2014-04-22 2014-04-22 Stop valve for screw machine

Country Status (1)

Country Link
CN (1) CN203906807U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105003656A (en) * 2015-06-04 2015-10-28 许炎章 Straight-through type stop valve for industrial refrigeration

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105003656A (en) * 2015-06-04 2015-10-28 许炎章 Straight-through type stop valve for industrial refrigeration

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141029

Termination date: 20150422

EXPY Termination of patent right or utility model