CN204175970U - Stop valve - Google Patents
Stop valve Download PDFInfo
- Publication number
- CN204175970U CN204175970U CN201420485050.9U CN201420485050U CN204175970U CN 204175970 U CN204175970 U CN 204175970U CN 201420485050 U CN201420485050 U CN 201420485050U CN 204175970 U CN204175970 U CN 204175970U
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- CN
- China
- Prior art keywords
- valve
- valve rod
- flap
- ring
- pneumatic actuator
- 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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Abstract
The utility model discloses a kind of stop valve, comprise valve body, valve gap, support, upper valve rod, lower valve rod, flap, pneumatic actuator, wherein said valve gap is contained on valve body, support is contained on valve gap, pneumatic actuator is contained on support, and the upper end of described upper valve rod is connected with pneumatic actuator, and its lower end is connected with lower valve rod by connecting sleeve, the lower end of described lower valve rod is connected with described flap with gland by divided ring, and described valve gap arranges packing box assembly.The utility model controls pneumatic actuator by external air source thus band ovable valve stem, flap move up and down, and realize the high frequency of valve, fast opening and closing, good sealing effect, the life-span is long.
Description
Technical field
The utility model relates to valve technology field, particularly relates to a kind of high frequency for chemical industry, fast opening/closing valve.
Background technique
Valve is the controlling component in fluid delivery system, comprises ball valve, stop valve, gate valve and butterfly valve etc.Wherein, stop valve belongs to forced seal formula valve, is a kind of conventional block valve, and be mainly used to the medium connected or block in pipeline, be widely used in the industries such as oil, rock gas, chemical industry, its functional reliability is unquestionable.Now along with the development of chemical industry, the system equipment of various advanced person is widely used, it is more and more that getting more and more of the stop valve application that chemical industry is used, particularly opening speed fast (being less than 2S), the stop valve (annual millions of times) that open frequency is high are applied.At present, the problems such as it is not long that stop valve used in chemical industry exists working life, and sealing effect is undesirable.
Model utility content
The utility model aims to provide one can high frequency, fast opening and closing, and good sealing effect, the life-span is long, and installation and maintenance are stop valve easily.
For achieving the above object, the utility model realizes by the following technical solutions: a kind of stop valve, comprise valve body, valve gap, support, upper valve rod, lower valve rod, flap, pneumatic actuator, wherein said valve gap is contained on valve body, support is contained on valve gap, pneumatic actuator is contained on support, the upper end of described upper valve rod is connected with pneumatic actuator, its lower end is connected with lower valve rod by connecting sleeve, the lower end of described lower valve rod is connected with described flap with gland by divided ring, and described valve gap arranges packing box assembly.
Packing box assembly on described valve gap is made up of follower, filler cover, filler, Packing seat, Gland, dust ring, filler cover cylindrical and described valve gap inner hole are installed, filler cover bottom arranges follower, and inner filling material, Packing seat, top arranges Gland.
Be provided with trim ring, seal ring, circumferential retainer ring below described flap, trim ring is pressed on seal ring and is connected with described flap by screw, and circumferential retainer ring is enclosed within outside seal ring and is connected with described flap by screw thread.
The connecting sleeve of described upper and lower valve rod is provided with indicating arm.
The utility model is rational in infrastructure, easy to maintenance, good seal performance, long service life, working stability.The requirement of the high frequency of chemical industry, fast opening and closing and sealability can be adapted to.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model packing box assembly structural representation;
Fig. 3 is valve flap structure schematic diagram of the present utility model;
Fig. 4 is the utility model connecting jacket structure schematic diagram;
In figure: 1-valve body, 2-divided ring, 3-gland, 4-lower valve rod, 5-valve gap, 6-Gland, 7-support, 8-indicating arm, 9-connecting sleeve, 10-pneumatic actuator, 11-upper valve rod, 12-filler, 13-filler cover, 14-Packing seat, 15-follower, 16-dust ring, 17-flap, 18-circumference retainer ring, 19-seal ring, 20-trim ring.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with accompanying drawing, the utility model is further elaborated.
As shown in Figure 1, a kind of stop valve that the utility model provides, comprise valve body 1, valve gap 5, support 7, upper valve rod 11, lower valve rod 4, flap 17, pneumatic actuator 10, wherein said valve gap 5 is contained on valve body 1, support 7 is contained on valve gap 5, pneumatic actuator 10 is contained on support 7, the upper end of described upper valve rod 11 is connected with pneumatic actuator 10, its lower end is connected with lower valve rod 4 by connecting sleeve 9, the lower end of described lower valve rod 4 is connected with described flap 17 with gland 3 by divided ring 2, and described valve gap 5 arranges packing box assembly.
Preferably, as shown in Figure 2, packing box assembly on valve gap 5 is made up of Gland 6, filler cover 13, filler 12, Packing seat 14, follower 15, dust ring 16, filler overlaps 13 cylindricals and described valve gap 5 inner hole is installed, filler overlaps the follower 15 that 13 bottoms are provided with dust ring 16, inner filling material 12, Packing seat 14, top arranges Gland 6.
Preferably, as shown in Figure 3, be provided with trim ring 20, seal ring 19, circumferential retainer ring 18 below flap 17, trim ring 20 is pressed on seal ring 19 and is connected with described flap 17 by screw, and circumferential retainer ring 18 is enclosed within outside seal ring 19 and is connected with described flap 17 by screw thread.
Preferably, as shown in Figure 4, the connecting sleeve 9 of upper and lower valve rod is provided with indicating arm 8.
During work, be in place by the utility model, drive pneumatic actuator 10 by external air source, drive upper valve rod 11, lower valve rod 4 move up and down, and flap 17 is followed valve rod and moved up and down thus the keying campaign realizing valve.The open/close states can observing valve with the indicating arm 8 on connecting sleeve 9 is clearly installed, intuitive and convenient.Filler assembly and flap 17 all can be dismantled online, convenient for maintaining and maintenance.
The utility model structure is reliable, fast response time, good seal performance, long service life.
Certainly; the utility model also can have other various embodiments; when not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art can make various corresponding change and distortion according to the utility model, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the utility model.
Claims (4)
1. a stop valve, comprise valve body (1), valve gap (5), support (7), upper valve rod (11), lower valve rod (4), flap (17), pneumatic actuator (10), it is characterized in that: described valve gap (5) is contained on valve body (1), support (7) is contained on valve gap (5), pneumatic actuator (10) is contained on support (7), the upper end of described upper valve rod (11) is connected with pneumatic actuator (10), its lower end is connected with lower valve rod (4) by connecting sleeve (9), the lower end of described lower valve rod (4) is connected with described flap (17) with gland (3) by divided ring (2), (5) arrange packing box assembly to described valve gap.
2. stop valve according to claim 1, it is characterized in that: the packing box assembly on described valve gap (5) is made up of Gland (6), filler cover (13), filler (12), Packing seat (14), follower (15), dust ring (16), filler cover (13) cylindrical and described valve gap (5) inner hole are installed, filler cover (13) bottom is provided with the follower (15) of dust ring (16), inner filling material (12), Packing seat (14), top arranges Gland (6).
3. stop valve according to claim 1, it is characterized in that: described flap (17) below is provided with trim ring (20), seal ring (19), circumferential retainer ring (18), trim ring (20) is pressed on seal ring (19) and is connected with described flap (17) by screw, and circumferential retainer ring (18) is enclosed within seal ring (19) and is connected with described flap (17) by screw thread outward.
4., according to the arbitrary described stop valve of claims 1 to 3, it is characterized in that: the connecting sleeve (9) of described upper and lower valve rod (11,4) is provided with indicating arm (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420485050.9U CN204175970U (en) | 2014-08-25 | 2014-08-25 | Stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420485050.9U CN204175970U (en) | 2014-08-25 | 2014-08-25 | Stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204175970U true CN204175970U (en) | 2015-02-25 |
Family
ID=52564781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420485050.9U Active CN204175970U (en) | 2014-08-25 | 2014-08-25 | Stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204175970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361032A (en) * | 2020-11-25 | 2021-02-12 | 良正阀门有限公司 | Reversing regulating valve |
-
2014
- 2014-08-25 CN CN201420485050.9U patent/CN204175970U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361032A (en) * | 2020-11-25 | 2021-02-12 | 良正阀门有限公司 | Reversing regulating valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |