CN204610866U - A kind of safety shutoff valve - Google Patents

A kind of safety shutoff valve Download PDF

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Publication number
CN204610866U
CN204610866U CN201520256903.6U CN201520256903U CN204610866U CN 204610866 U CN204610866 U CN 204610866U CN 201520256903 U CN201520256903 U CN 201520256903U CN 204610866 U CN204610866 U CN 204610866U
Authority
CN
China
Prior art keywords
valve
valve body
rod
cut
safety shutoff
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
CN201520256903.6U
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Chinese (zh)
Inventor
蒋武波
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.)
Zhuji City Heng Biao Valve Co Ltd
Original Assignee
Zhuji City Heng Biao Valve 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 Zhuji City Heng Biao Valve Co Ltd filed Critical Zhuji City Heng Biao Valve Co Ltd
Priority to CN201520256903.6U priority Critical patent/CN204610866U/en
Application granted granted Critical
Publication of CN204610866U publication Critical patent/CN204610866U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of safety shutoff valve, comprises valve body, is separately installed with valve rod, valve disc in described valve body, and described cut-off plate push rod is connected with cut-off plate, is provided with Regulation spring between described valve rod and cut-off plate push rod; Described valve body is provided with valve gap, described handwheel is provided with stiffening rib, in described stiffening rib, offer positioning groove; Be separately installed with the first elastic washer, the second elastic washer between described valve body and valve gap, between described valve body and valve gap, also paper washer be installed; Water intake dust cap is installed in the valve body of described inlet end, water outlet dust cap is installed in the valve body of described water outlet end; Described valve body is also provided with fine setting screw rod, and described fine setting screw rod is installed through conflicting with valve rod after valve body.A kind of safety shutoff valve described in the utility model, structure is simple, practical and convenient, and not only sealing is strong, and is convenient to blowdown maintenance, and the setting of cut-off plate serves the effect of Second Interception, effectively improves the practicability of stop valve.

Description

A kind of safety shutoff valve
Technical field
The utility model relates to a kind of safety shutoff valve.
Background technique
Stop valve, is also named pipe valve, be one of most popular a kind of valve, due in its opening and closing process between sealing surface frictional force little, more durable, Lift is little, easy to manufacture, easy to maintenance, thus very popular, in not being only applicable to low pressure, and be applicable to high pressure.The closed principle of stop valve is, relies on valve thick stick pressure, make valve clack sealing surface with valve seatsealing surface fits tightly, and stops medium circulation.Stop valve is only permitted medium one-way flow, has directivity during installation.At present, the material of stop valve common on market mainly adopts stainless steel or brass, and because working ability is limited, structure is relatively simple, its sealing is affected, has potential safety hazard.
Model utility content
The purpose of this utility model is to provide a kind of safety shutoff valve, and its structure is simple, practical and convenient, and not only sealing is strong, and is convenient to blowdown maintenance, and the setting of cut-off plate serves the effect of Second Interception, thus effectively improves the practicability of stop valve.
In order to achieve the above object, the technical solution of the utility model is:
A kind of safety shutoff valve, comprise valve body, described valve body comprises water intake, water outlet, valve rod, valve disc is separately installed with in described valve body, described valve rod is connected with valve disc, be provided with cut-off plate push rod in described valve disc, described cut-off plate push rod is connected with cut-off plate, is provided with Regulation spring between described valve rod and cut-off plate push rod; Described valve body is provided with valve gap, and described valve rod is connected with handwheel through after valve gap, described handwheel is provided with stiffening rib, offers positioning groove in described stiffening rib; Be separately installed with the first elastic washer, the second elastic washer between described valve body and valve gap, between described valve body and valve gap, also paper washer be installed, and described paper washer is between the first elastic washer and the second elastic washer; Water intake dust cap is installed in the valve body of described inlet end, the first groove is offered in described water intake dust cap, first corrugated projection is installed in described first groove, water outlet dust cap is installed in the valve body of described water outlet end, offer the second groove in described water outlet dust cap, the second corrugated projection is installed in described second groove; Described valve body is also provided with fine setting screw rod, and described fine setting screw rod is installed through conflicting with valve rod after valve body.
The valve body of described inlet end offers the first blowdown access hole, described first blowdown access hole is provided with the first sealing plug, the valve body of described water outlet end offers the second blowdown access hole, described second blowdown access hole is provided with the second sealing plug, between described first sealing plug and the second sealing plug, lock pin is installed.
Described valve body is connected with valve gap by bolt.
Between described valve rod and valve gap, positioning block, the first seal ring, the second seal ring, pad are installed from top to bottom successively.
In described valve disc, locating stud is installed, and described locating stud and valve rod are conflicted and are installed.
Described locating stud is provided with draw ring.
The beneficial effects of the utility model are: a kind of safety shutoff valve, and its structure is simple, practical and convenient, and not only sealing is strong, and are convenient to blowdown maintenance, and the setting of cut-off plate serves the effect of Second Interception, thus effectively improves the practicability of stop valve.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Embodiment 1
A kind of safety shutoff valve as shown in Figure 1, comprise valve body 1, described valve body 1 comprises water intake 2, water outlet 3, valve rod 4, valve disc 5 is separately installed with in described valve body 1, described valve rod 4 is connected with valve disc 5, be provided with cut-off plate push rod 7 in described valve disc 5, described cut-off plate push rod 7 is connected with cut-off plate 6, is provided with Regulation spring 8 between described valve rod 4 and cut-off plate push rod 7; Described valve body 1 is provided with valve gap 9, and described valve rod 4 is connected with handwheel 10 through after valve gap 9, described handwheel 10 is provided with stiffening rib 32, offers positioning groove 33 in described stiffening rib 32; Be separately installed with the first elastic washer 23, second elastic washer 24 between described valve body 1 and valve gap 9, between described valve body 1 and valve gap 9, paper washer 25 be also installed, and described paper washer 25 is between the first elastic washer 23 and the second elastic washer 24; In the valve body 1 of described water intake 2 end, water intake dust cap 26 is installed, the first groove 27 is offered in described water intake dust cap 26, in described first groove 27, first corrugated projection 28 is installed, in the valve body 1 of described water outlet 3 end, water outlet dust cap 29 is installed, offer the second groove 30 in described water outlet dust cap 29, in described second groove 30, second corrugated projection 31 is installed; Described valve body 1 is also provided with fine setting screw rod 34, described fine setting screw rod 34 through after valve body 1 and valve rod 4 conflict and install.
The valve body 1 of described water intake 2 end offers the first blowdown access hole 11, described first blowdown access hole 11 is provided with the first sealing plug 12, the valve body 1 of described water outlet 3 end offers the second blowdown access hole 13, described second blowdown access hole 13 is provided with the second sealing plug 14, between described first sealing plug 12 and the second sealing plug 14, lock pin 15 is installed.
Described valve body 1 is connected with valve gap 9 by bolt 16.
Positioning block 17, first seal ring 18, second seal ring 19, pad 20 are installed between described valve rod 4 and valve gap 9 from top to bottom successively.
In described valve disc 5, locating stud 21 is installed, and described locating stud 21 and valve rod 4 are conflicted and are installed.
Described locating stud 21 is provided with draw ring 22.
A kind of safety shutoff valve of the present embodiment, its structure is simple, practical and convenient, and not only sealing is strong, and is convenient to blowdown maintenance, and the setting of cut-off plate serves the effect of Second Interception, thus effectively improves the practicability of stop valve.

Claims (6)

1. a safety shutoff valve, it is characterized in that: comprise valve body (1), described valve body (1) comprises water intake (2), water outlet (3), valve rod (4), valve disc (5) is separately installed with in described valve body (1), described valve rod (4) is connected with valve disc (5), be provided with cut-off plate push rod (7) in described valve disc (5), described cut-off plate push rod (7) is connected with cut-off plate (6), is provided with Regulation spring (8) between described valve rod (4) and cut-off plate push rod (7); Described valve body (1) is provided with valve gap (9), described valve rod (4) is connected with handwheel (10) afterwards through valve gap (9), described handwheel (10) is provided with stiffening rib (32), offers positioning groove (33) in described stiffening rib (32); The first elastic washer (23), the second elastic washer (24) is separately installed with between described valve body (1) and valve gap (9), paper washer (25) is also installed between described valve body (1) and valve gap (9), and described paper washer (25) is between the first elastic washer (23) and the second elastic washer (24); In the valve body (1) that described water intake (2) is held, water intake dust cap (26) is installed, the first groove (27) is offered in described water intake dust cap (26), first corrugated projection (28) is installed in described first groove (27), in the valve body (1) that described water outlet (3) is held, water outlet dust cap (29) is installed, offer the second groove (30) in described water outlet dust cap (29), the second corrugated projection (31) is installed in described second groove (30); Described valve body (1) is also provided with fine setting screw rod (34), described fine setting screw rod (34) is conflicted with valve rod (4) afterwards through valve body (1) and is installed.
2. a kind of safety shutoff valve according to claim 1, it is characterized in that: the valve body (1) that described water intake (2) is held offers the first blowdown access hole (11), described first blowdown access hole (11) is provided with the first sealing plug (12), the valve body (1) that described water outlet (3) is held offers the second blowdown access hole (13), described second blowdown access hole (13) is provided with the second sealing plug (14), between described first sealing plug (12) and the second sealing plug (14), lock pin (15) is installed.
3. a kind of safety shutoff valve according to claim 1, is characterized in that: described valve body (1) is connected with valve gap (9) by bolt (16).
4. a kind of safety shutoff valve according to claim 1, is characterized in that: be provided with positioning block (17), the first seal ring (18), the second seal ring (19), pad (20) between described valve rod (4) and valve gap (9) from top to bottom successively.
5. a kind of safety shutoff valve according to claim 1, is characterized in that: be provided with locating stud (21) in described valve disc (5), and described locating stud (21) and valve rod (4) are conflicted and installed.
6. a kind of safety shutoff valve according to claim 5, is characterized in that: described locating stud (21) is provided with draw ring (22).
CN201520256903.6U 2015-04-27 2015-04-27 A kind of safety shutoff valve Expired - Fee Related CN204610866U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520256903.6U CN204610866U (en) 2015-04-27 2015-04-27 A kind of safety shutoff valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520256903.6U CN204610866U (en) 2015-04-27 2015-04-27 A kind of safety shutoff valve

Publications (1)

Publication Number Publication Date
CN204610866U true CN204610866U (en) 2015-09-02

Family

ID=53963434

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520256903.6U Expired - Fee Related CN204610866U (en) 2015-04-27 2015-04-27 A kind of safety shutoff valve

Country Status (1)

Country Link
CN (1) CN204610866U (en)

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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: 20150902

Termination date: 20160427