CN204785009U - Latching valve door subassembly - Google Patents
Latching valve door subassembly Download PDFInfo
- Publication number
- CN204785009U CN204785009U CN201520468730.4U CN201520468730U CN204785009U CN 204785009 U CN204785009 U CN 204785009U CN 201520468730 U CN201520468730 U CN 201520468730U CN 204785009 U CN204785009 U CN 204785009U
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- China
- Prior art keywords
- valve
- self
- locking
- shackle member
- handwheel
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- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 23
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 19
- 238000012856 packing Methods 0.000 claims description 16
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013028 emission testing Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The utility model relates to a control unit in the fluid transportation discloses a latching valve door subassembly, and this latching valve door subassembly includes the valve, the valve includes hand wheel (11), latching valve door subassembly still includes self -lock device, and this self -lock device includes: base member (21), this base member with being located of valve the partial fixing of hand wheel one side, joint spare (22), the one end of this joint spare with base member sliding connections, the other end of joint spare is used for blocking the hand wheel, and retaining member (23), this retaining member is through making joint spare orientation is close to or is kept away from the direction of hand wheel slide so that joint spare blocks or releases the hand wheel. The utility model discloses in, slide and block or release the hand wheel through the direction that makes joint spare orientation be close to or to keep away from the hand wheel to the mistake that has prevented the valve is opened, is missed the pass problem, has improved the security, has guaranteed staff's personal safety.
Description
Technical field
The utility model relates to the controlling component in fluid conveying, particularly, relates to a kind of Self-locking valve assembly.
Background technique
Valve is the controlling component in fluid delivery system; there is cut-off, adjustment, water conservancy diversion, prevent the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief; in industrial processes, often valve can be used, and some important valve is quiescing in process of production.
For thermal power plant, have many important pressure protective systems, comprise many valves at these pressure protective systems in thermal power plant, these valves are generally used for pressure extraction, blowdown, protection test etc.But; these valves are all scattered be distributed in production scene usually, therefore may be opened by mistake by people in some cases or close by mistake, such as; open by mistake the emission testing Gauge Valves on steam-turbine lubrication low fuel pressure protection test block, can directly cause steam turbine trip accident like this.In order to prevent opening by mistake or closing of valve by mistake, traditional is all adopt the method for forbidding of listing.
But the method for forbidding of listing can only play the effect of prompting, fundamentally can not solve the problem that valve opens by mistake or closes by mistake, if list careless loss, this more easily will cause opening by mistake of valve or close by mistake.
Model utility content
The purpose of this utility model is to provide a kind of Self-locking valve assembly, to overcome opening by mistake or pass problem by mistake of valve in prior art.
To achieve these goals, the utility model provides a kind of Self-locking valve assembly, this Self-locking valve assembly comprises valve, described valve comprises handwheel, described Self-locking valve assembly also comprises self-locking device, this self-locking device comprises: substrate, the partial fixing being positioned at described handwheel side of this substrate and described valve; Shackle member, one end of this shackle member is slidably connected with described substrate, and the other end of described shackle member is used for blocking described handwheel; And locking element, this locking element slides to make described shackle member block or to discharge described handwheel towards close or away from described handwheel direction by making described shackle member.
Preferably, described valve comprises valve body, the valve rod be connected with described handwheel and valve body respectively and the packing being set in described stem exterior; Described substrate is plate-like, and the described substrate of plate-like is set in the outside of described packing regularly.
Preferably, described valve comprises valve body, the valve rod be connected with described handwheel and valve body respectively and the packing being set in described stem exterior; Described substrate comprises the discoid pieces of the outside being set in described packing regularly and is fixed on the assembly department of described discoid pieces side, and described one end of described shackle member is slidably connected with described assembly department.
Preferably, described shackle member is rod-like element.
Preferably, the external frame of described handwheel is provided with multiple groove, and the described the other end of described shackle member is stuck in described groove.
Preferably, described assembly department is provided with through hole, also can slide along described through hole through described through hole in described one end of described shackle member.
Preferably, described locking element is the first screw, the side away from described discoid pieces of described assembly department the radial direction along described through hole is provided with the first tapped hole, and described locking element is set to: described first screw is through shackle member described in described first tapped hole locking.
Preferably, described Self-locking valve assembly comprises the second screw, described discoid pieces is radially provided with the second tapped hole for wearing described second screw, by described second screw being passed described second tapped hole against described packing with fixing described discoid pieces.
In the utility model, by make shackle member towards near or slide away from the direction of handwheel and block or discharge handwheel, thus prevent the opening by mistake of valve, by mistake pass problem, improve Security, ensure that the personal safety of staff.
Other features and advantages of the utility model are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is the plan view of the Self-locking valve assembly that embodiment of the present utility model provides.
Fig. 2 is the plan view (merely illustrating self-locking device in figure) of the Self-locking valve assembly shown in Fig. 1.
Description of reference numerals
11: handwheel; 12: substrate; 13: valve rod;
14: packing; 21: substrate; 21a: discoid pieces;
21b: assembly department; 21b-1: through hole; 22: shackle member;
23: locking element; 21a-1: the second screw.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
In the utility model, when not doing contrary explanation, the noun of locality such as " upper and lower, left and right " of use typically refers to reference to upper and lower, left and right shown in the drawings; " inside and outside " refers to profile inside and outside relative to each parts itself.
What the utility model existed based on valve of the prior art opens by mistake or misses pass problem, provides a kind of Self-locking valve assembly, is described in detail with reference to Fig. 1 and Fig. 2 to the utility model.
As depicted in figs. 1 and 2, the Self-locking valve assembly that the utility model provides comprises valve, this valve comprises handwheel 11, above-mentioned Self-locking valve assembly also comprises self-locking device, this self-locking device comprises substrate 21, shackle member 22 and locking element 23, wherein, the partial fixing being positioned at handwheel 11 side of substrate 21 and valve, one end of shackle member 22 is slidably connected with substrate 21, the other end of shackle member 22 is used for blocking handwheel 11, and locking element 23 slides to make shackle member 22 block or to discharge handwheel 11 towards close or away from handwheel 11 direction by making shackle member 22.
In the utility model, by make shackle member 22 towards near or away from handwheel 11 direction slide and block or discharge handwheel 11, that is, when preventing it from rotating when wanting locking handwheel 11, by locking element 23, shackle member 22 is slided towards near the direction of handwheel 11, thus make shackle member 22 block handwheel 11, certainly, if when wanting operation handwheel 11 and make it rotate, by locking element 23, shackle member 22 is slided towards the direction away from handwheel 11, thus make shackle member 22 discharge handwheel 11.Generally, valve is mounted in important pressure system, and therefore security of system is even more important, in the utility model, prevent the opening by mistake of valve, by mistake pass problem by self-locking device, thus improve the Security of system, ensure that the personal safety of staff.
Wherein, described valve comprises valve body 12, the valve rod 13 be connected with handwheel 11 and valve body 12 respectively and is set in the packing 14 of valve rod 13 outside, rotates with hand the effect that handwheel 11 can play unlatching or throttle down.
As a kind of mode of execution of the present utility model, described substrate 21 is in plate-like, and the substrate 21 of plate-like is set in the outside of packing 14 regularly, like this, described one end of shackle member 22 is slidably connected with the substrate 21 of plate-like, thus shackle member 22 is blocked or discharges handwheel 11.
As another kind of mode of execution of the present utility model, described substrate 21 comprises the discoid pieces 21a of the outside being set in packing 14 regularly and is fixed on the assembly department 21b of discoid pieces 21a side, described one end of shackle member 22 is slidably connected with assembly department 21b, thus shackle member 22 is blocked or discharges handwheel 11.Consider installation question and economic problems, described assembly department 21b can be the square iron block being fixed on discoid pieces 21a side.
Wherein, described shackle member 22 can be rod-like element.The external frame of described handwheel 11 is provided with multiple groove, and the described the other end of shackle member 22 can be stuck in above-mentioned groove, thus can realize locking handwheel 11.
In addition, shackle member 22 can be accomplished in several ways with being slidably connected of substrate 21, the mode that such as slide block coordinates with track, preferably, slidably being connected of shackle member 22 and substrate 21 is realized by rod-like element and the cooperation of through hole in the utility model, particularly, assembly department 21b is provided with through hole 21b-1, also can slide along this through hole 21b-1 through through hole 21b-1 in described one end of shackle member 22.
As a kind of mode of execution of the present utility model, described locking element 23 can be the first screw, the side away from discoid pieces 21a of assembly department 21b the radial direction along through hole 21b-1 is provided with the first tapped hole, locking element 23 is set to: the first screw is locking shackle member 22 through the first tapped hole, that is, in this embodiment, by the first screw to be realized the locking of shackle member 22 against shackle member 22.
In addition, discoid pieces 21a can fix in the following manner, particularly, described Self-locking valve assembly comprises the second screw 21a-1, discoid pieces 21a is radially provided with the second tapped hole for wearing the second screw 21a-1, by the second screw 21a-1 is passed the second tapped hole against packing 14 with fixing discoid pieces 21a, certain discoid pieces 21a also can fix with packing 14 by other means.
The Self-locking valve modular construction that the utility model provides is simple, cost is lower, effectively can prevent the opening by mistake of valve, by mistake pass problem simultaneously, ensure that the life safety of staff.
Below preferred implementation of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each the concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode.
In addition, also can carry out combination in any between various different mode of execution of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (8)
1. a Self-locking valve assembly, this Self-locking valve assembly comprises valve, and described valve comprises handwheel (11), it is characterized in that, described Self-locking valve assembly also comprises self-locking device, and this self-locking device comprises:
Substrate (21), the partial fixing being positioned at described handwheel (11) side of this substrate (21) and described valve;
Shackle member (22), one end of this shackle member (22) is slidably connected with described substrate (21), and the other end of described shackle member (22) is used for blocking described handwheel (11); And
Locking element (23), this locking element (23) slides to make described shackle member (22) block or to discharge described handwheel (11) towards close or away from described handwheel (11) direction by making described shackle member (22).
2. Self-locking valve assembly according to claim 1, it is characterized in that, described valve comprises valve body (12), the valve rod (13) be connected with described handwheel (11) and valve body (12) respectively and is set in the outside packing (14) of described valve rod (13);
Described substrate (21) is in plate-like, and the described substrate (21) of plate-like is set in the outside of described packing (14) regularly.
3. Self-locking valve assembly according to claim 1, it is characterized in that, described valve comprises valve body (12), the valve rod (13) be connected with described handwheel (11) and valve body (12) respectively and is set in the outside packing (14) of described valve rod (13);
Described substrate (21) comprises the discoid pieces (21a) of the outside being set in described packing (14) regularly and is fixed on the assembly department (21b) of described discoid pieces (21a) side, and described one end of described shackle member (22) is slidably connected with described assembly department (21b).
4. Self-locking valve assembly according to claim 3, is characterized in that, described shackle member (22) is rod-like element.
5. Self-locking valve assembly according to claim 4, is characterized in that, the external frame of described handwheel (11) is provided with multiple groove, and the described the other end of described shackle member (22) is stuck in described groove.
6. Self-locking valve assembly according to claim 4, it is characterized in that, described assembly department (21b) is provided with through hole (21b-1), and described one end of described shackle member (22) is passed described through hole (21b-1) and can slide along described through hole (21b-1).
7. Self-locking valve assembly according to claim 6, it is characterized in that, described locking element (23) is the first screw, the side away from described discoid pieces (21a) of described assembly department (21b) the radial direction along described through hole (21b-1) is provided with the first tapped hole, described locking element (23) is set to: described first screw is through shackle member (22) described in described first tapped hole locking.
8. according to the Self-locking valve assembly in claim 3-7 described in any one, it is characterized in that, described Self-locking valve assembly comprises the second screw (21a-1), described discoid pieces (21a) is radially provided with the second tapped hole for wearing described second screw (21a-1), by by described second screw (21a-1) through described second tapped hole against described packing (14) with fixing described discoid pieces (21a).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520468730.4U CN204785009U (en) | 2015-07-02 | 2015-07-02 | Latching valve door subassembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520468730.4U CN204785009U (en) | 2015-07-02 | 2015-07-02 | Latching valve door subassembly |
Publications (1)
Publication Number | Publication Date |
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CN204785009U true CN204785009U (en) | 2015-11-18 |
Family
ID=54525058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201520468730.4U Active CN204785009U (en) | 2015-07-02 | 2015-07-02 | Latching valve door subassembly |
Country Status (1)
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CN (1) | CN204785009U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105736818A (en) * | 2016-04-27 | 2016-07-06 | 重庆科技学院 | Protective device for high-pressure pipeline valves |
CN107654709A (en) * | 2017-09-29 | 2018-02-02 | 南通市力沛流体阀业有限公司 | A kind of anticlogging safety lock valve |
CN108443573A (en) * | 2018-03-22 | 2018-08-24 | 长园共创电力安全技术股份有限公司 | Valve lockset and valve managing and control system |
CN108662239A (en) * | 2018-08-02 | 2018-10-16 | 徐雪兰 | A kind of through-type internal thread self-locking ball valve |
CN109611608A (en) * | 2018-11-26 | 2019-04-12 | 国家电网有限公司 | The method of valve lockable mechanism and valve locking |
-
2015
- 2015-07-02 CN CN201520468730.4U patent/CN204785009U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105736818A (en) * | 2016-04-27 | 2016-07-06 | 重庆科技学院 | Protective device for high-pressure pipeline valves |
CN107654709A (en) * | 2017-09-29 | 2018-02-02 | 南通市力沛流体阀业有限公司 | A kind of anticlogging safety lock valve |
CN108443573A (en) * | 2018-03-22 | 2018-08-24 | 长园共创电力安全技术股份有限公司 | Valve lockset and valve managing and control system |
CN108662239A (en) * | 2018-08-02 | 2018-10-16 | 徐雪兰 | A kind of through-type internal thread self-locking ball valve |
CN109611608A (en) * | 2018-11-26 | 2019-04-12 | 国家电网有限公司 | The method of valve lockable mechanism and valve locking |
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GR01 | Patent grant |