CN103520869B - Self-locking pressure signal feedback device - Google Patents
Self-locking pressure signal feedback device Download PDFInfo
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- CN103520869B CN103520869B CN201310506091.1A CN201310506091A CN103520869B CN 103520869 B CN103520869 B CN 103520869B CN 201310506091 A CN201310506091 A CN 201310506091A CN 103520869 B CN103520869 B CN 103520869B
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- mouth groove
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- 238000005520 cutting process Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The invention discloses a kind of self-locking pressure signal feedback device, including valve body, valve gap, piston, microswitch and passage, piston has lower cock body and upper cock body；Being provided with the stopper limiting lower cock body moving range in valve body, the top of upper cock body has the revealed section protruding from valve gap, and described top plug side portion is perpendicular to be provided with at its moving direction the wide-mouth groove of built-in ball, and this wide-mouth groove has the skew wall being easy to ball scroll-up/down；Ball one is placed in wide-mouth groove, and side ball being placed in outside wide-mouth groove is connected with described microswitch by elastomeric element；When piston is in top, ball is by upper cock body release wide-mouth groove outwardly against elastomeric element, and when piston is in bottommost, ball is displaced downwardly in wide-mouth groove in the reaction force of elastomeric element.Device compact overall structure, quick and easy for installation, there is auto-lock function, can only be by resetting manually after startup；Safe and reliable to operation, during system debug, it is not necessary to air pressure starts, and can manually carry out.
Description
Technical field
The present invention relates to fire-fighting equipment and manufacture field, especially relate to a kind of self-locking pressure signal feedback device for fire extinguishing system.
Background technology
In automatic fire extinguishing system, pressure signal feedback device is system normally to start the signal spurted feed back to the parts of fire extinguishing system control device.GB25972--2010 " gas extinguishing system and parts " the 5.15th article regulation, the signal feedback device in gas extinguishing system can only manually reset after should having auto-lock function, and action.And the pressure signal feedback device used before is all the requirement design according to Ministry of Public Security's professional standard GA400-2002 " gas extinguishing system and parts performance requirement and test method ", there is no auto-lock function, signal i.e. disappears after having sprayed with extinguishing chemical, it is impossible to confirm which guard plot has spurted extinguishing chemical in time.
Summary of the invention
The present invention is in order to overcome the deficiencies in the prior art, it is provided that one can manually be debugged, performance safety reliable self-locking pressure signal feedback device.
To achieve these goals, the present invention is by the following technical solutions: a kind of self-locking pressure signal feedback device, including valve body, valve gap, the piston that can move up and down in valve body, the microswitch opened under piston driving and the passage being provided with supplied gas circulation in being located at valve body, piston has and is plugged in the lower cock body of described channel exit and wears and penetrate the upper cock body in valve gap；Being provided with the stopper limiting lower cock body moving range in valve body, the top of upper cock body has the revealed section protruding from valve gap, and described top plug side portion is perpendicular to be provided with at its moving direction the wide-mouth groove of built-in ball, and this wide-mouth groove has the skew wall being easy to ball scroll-up/down；Ball one is placed in wide-mouth groove, and side ball being placed in outside wide-mouth groove is connected with described microswitch by elastomeric element；When piston is in top, ball is by upper cock body release wide-mouth groove outwardly against elastomeric element, and when piston is in bottommost, ball is displaced downwardly in wide-mouth groove in the reaction force of elastomeric element.
As preferably, described revealed section circumferentially direction is provided with protuberance or the recess being easy to extract piston.
Further, described upper cock body upper below revealed section place be provided with the instruction section with cue mark, when piston is in top, this instruction section exposes to valve gap.
Removably being provided with an adapter sleeve corresponding at wide-mouth groove on described valve gap, a part for ball is placed in wide-mouth groove, and another part and the described elastomeric element of ball are placed in adapter sleeve；The other end of adapter sleeve connects a connecting sleeve joint, and described microswitch is placed in this connecting sleeve joint.
Further, it is provided with the through hole of the two spacing balls of receiving with at connecting sleeve junction contacts on described adapter sleeve sidewall, being placed in through hole circumferentially arranged with a ring annular groove, a spacing ball part with this through hole corresponding position on connecting sleeve joint outer wall, a part is placed in cannelure；It is arranged with, with through hole corresponding position, the cutting ferrule that can horizontally slip on adapter sleeve lateral wall.
As preferably, described cutting ferrule one end offsets with a spring, and the other end and a limiting retainer ring offset.
Further, described stopper is to be sheathed on the locating piece on lower cock body or the protuberance for valve body structure.
Described upper cock body and lower cock body are Split type structure.
The angle of inclination of the skew wall of described wide-mouth groove is 30 degree.
Further, being rotatably connected between described valve body and valve gap, valve gap is provided with and can limit its stop screw rotated.
In sum, the invention have the advantages that device compact overall structure, quick and easy for installation, there is auto-lock function, can only be by resetting manually after startup；Safe and reliable to operation, during system debug, it is not necessary to air pressure starts, and can manually carry out.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
In order to make those skilled in the art be better understood from the present invention program, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete description.
As shown in Figure 1, a kind of self-locking pressure signal feedback device, including valve body 1, valve gap 2, piston 4 and microswitch 5, valve gap 2 covers in outside valve body upper end, concrete, being rotatably connected between described valve body and valve gap, i.e. valve gap can be with 360 degree of rotations, so that on-demand adjustment outlet direction, valve gap is provided with and can limit its stop screw 24 threaded off；Piston 4 is located in valve body 1, the passage 14 of supplied gas circulation and the chamber 18 that confession piston 4 is up and down it is provided with in valve body 1, chamber 18 is connected with passage 14, piston 4 has and is plugged in the lower cock body 41 in described passage 14 exit and wears and penetrate the upper cock body 42 in valve gap 2, in the present embodiment, lower cock body 41 and upper cock body 42 are Split type structure, upper cock body 42 is integrally placed in valve gap 2, its top protrudes from valve gap 2 and constitutes a revealed section 422, the setting of revealed section 422, cock body is extracted, it is not necessary to air pressure starts can also carry out signal feedback debugging when may be used for manually debugging；It is provided with sealing ring 414, it is ensured that air-tightness between bottom and the valve interior wall of lower cock body 41；Being provided with the stopper 419 limiting lower cock body 41 moving range in valve body, this stopper is the locating piece 419 being sheathed on lower cock body 41, and the top of lower cock body 41 offsets with upper cock body bottom after passing locating piece 419；Upper cock body 42 is perpendicular at its moving direction have the wide-mouth groove 43 of built-in ball 6, and ball is steel ball, and this wide-mouth groove has the skew wall 431 being easy to ball 6 scroll-up/down, the setting of skew wall, being easy to ball roll, the angle of inclination of skew wall can be arranged as required to, and is typically chosen as when 30 degree being easier to roll；This wide-mouth groove can be cannelure or local groove, in the present embodiment, and preferably cannelure, can need not look for notch during installation, more convenient；Ball 6 half is placed in wide-mouth groove, and half is placed in outside groove, and side ball 6 being placed in outside wide-mouth groove is connected with described microswitch 5 by spring 8, it would however also be possible to employ other elastomeric elements such as elastic caoutchouc etc..
Upon power-up of the system, gas is through passage, piston 4 is promoted to move upward, then cock body on piston is promoted to move upward, ball in wide-mouth groove is conflicted by skew wall, so being displaced outwardly starting extrusion spring, when cock body moves upward to maximum position under piston, ball is extruded wide-mouth groove completely, to the right extrusion spring and promote microswitch action.During manual reset, cock body in pressing, cock body under piston is placed in bottommost, ball in spring reaction force under be moved in wide-mouth groove.Device compact overall structure, dependable performance, can manually extract cock body in the case of need not air pressure, manually to debug, when needs reset, can only manually press cock body and reset, there is good auto-lock function.In other embodiments, upper cock body and lower cock body can be set to integrative-structure, after i.e. piston initially passes through valve body, pass valve gap again；When there being parts damages, Split type structure is used to be more convenient for changing and maintenance.
Concrete, extract cock body for convenience and carry out manual system debugging, protuberance that described revealed section 422 circumferentially direction is provided with or recess, the present embodiment is provided with a ring annular groove 420 in revealed section periphery；It is positioned at place below revealed section 422 on described upper cock body 42 and is provided with the instruction section 424 with cue mark, as preferably, this cue mark is recess 423, one layer of colour-coded can also be coated on recess, when piston is in top, i.e. after device starts, this instruction section exposes to the top of valve gap 2, we, it is apparent that indicate the coloured label at recess 423, show that device has been started up.
For the ease of dismounting and installation, corresponding to a threaded adapter sleeve 71 at wide-mouth groove 43 on described valve gap 2, a part for ball 6 is placed in wide-mouth groove, and another part and the described spring 8 of ball 6 are placed in adapter sleeve 71；The other end of adapter sleeve 71 connects a connecting sleeve joint 72, and described microswitch 5 is placed in this connecting sleeve joint 72；It is obvious also possible to be directly connected with valve gap by connecting sleeve joint 72, and save adapter sleeve.
Further, it is provided with the through hole of the two spacing balls of receiving 77 with connecting sleeve joint 72 contact position on adapter sleeve 71 sidewall, being placed in through hole circumferentially arranged with a ring annular groove 721, spacing ball 77 part with this through hole corresponding position on connecting sleeve joint 72 outer wall, a part is placed in cannelure 721；It is arranged with the cutting ferrule 74 that can horizontally slip with through hole corresponding position on adapter sleeve 71 lateral wall；Concrete, described cutting ferrule 74 one end connects a screens spring 744, and the other end carries out spacing by a limiting retainer ring 743.During installation, engage connecting sleeve joint 72 and adapter sleeve 71, and make cannelure 721 corresponding with through hole, slide backward cutting ferrule 74, a part for spacing ball 77 is placed in cannelure 721, another part is placed in through hole, unclamp cutting ferrule, being fastened under the effect of limit spring and offset with limiting retainer ring 743, and be arranged in through hole and cannelure by spacing ball, connecting sleeve joint realizes fixing with being connected inner room, setting due to cannelure, connecting sleeve joint can be around connecting interplanting 360 degree rotation, and overall structure is simple, it is simple to installs, dismantle.
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all should belong to the scope of protection of the invention.
Claims (10)
1. a self-locking pressure signal feedback device, including valve body (1), valve gap (2),
The piston (4) that can move up and down in valve body, the fine motion opened under piston driving
The passage (14) of supplied gas circulation, piston it is provided with in switching (5) and being located at valve body
(4) have and be plugged in the lower cock body (41) in described passage (14) exit and wear
Penetrate the upper cock body (42) in valve gap (2)；The lower cock body (41) of restriction it is provided with in valve body
The stopper (419) of moving range, the top of upper cock body (42) has and protrudes from valve
The revealed section (422) of lid (2), it is characterised in that: described upper cock body (42) side
It is perpendicular at its moving direction be provided with the wide-mouth groove (43) of built-in ball (6) in portion,
This wide-mouth groove has the skew wall (431) being easy to ball scroll-up/down；Ball (6) one
Being placed in wide-mouth groove, the side that ball (6) is placed in outside wide-mouth groove is by elasticity
Parts (8) are connected with described microswitch (5)；When piston is in top,
Ball by upper cock body (42) release wide-mouth groove and outwardly against elastomeric element, piston
When being in bottommost, ball is displaced downwardly in wide-mouth groove in the reaction force of elastomeric element.
Self-locking pressure signal feedback device the most according to claim 1, its feature exists
The protuberance being easy to extract piston it is provided with in: described revealed section (422) circumferentially direction
Or recess.
Self-locking pressure signal feedback device the most according to claim 1, its feature exists
In: be positioned on described upper cock body (42) revealed section (422) lower section at be provided with
The instruction section (424) of cue mark, when piston is in top, outside this instruction section
It is exposed to valve gap (2).
Self-locking pressure signal feedback device the most according to claim 1, its feature exists
In: removably it is provided with one corresponding to wide-mouth groove (43) place on described valve gap (2)
Adapter sleeve (71), a part for ball (6) is placed in wide-mouth groove, ball (6)
Another part and in described elastomeric element (8) is placed in adapter sleeve (71)；Even
The other end of female connector (71) connects a connecting sleeve joint (72), and described fine motion is opened
Pass is placed in this connecting sleeve joint (72).
Self-locking pressure signal feedback device the most according to claim 4, its feature exists
In: with connecting sleeve joint (72) contact position on described adapter sleeve (71) sidewall
Being provided with the through hole of the spacing ball of two receiving (77), connecting sleeve joint (72) is outward
With this through hole corresponding position circumferentially arranged with a ring annular groove (721), spacing rolling on wall
A pearl part is placed in through hole, and a part is placed in cannelure (721)；Adapter sleeve
(71) cutting ferrule (74) that can horizontally slip it is arranged with on lateral wall with through hole corresponding position.
Self-locking pressure signal feedback device the most according to claim 5, its feature exists
In: described cutting ferrule (74) one end offsets with a spring (744), the other end and one
Limiting retainer ring offsets.
Self-locking pressure signal feedback device the most according to claim 1, its feature exists
In: described stopper (419) is to be sheathed on the locating piece on lower cock body or is valve body one
The protuberance of body structure.
8. feed back dress according to the self-locking pressure signal according to any one of claim 1-7
Put, it is characterised in that: described upper cock body and lower cock body are Split type structure.
Self-locking pressure signal feedback device the most according to claim 1, its feature exists
In: the angle of inclination of the skew wall (431) of described wide-mouth groove is 30 degree.
Self-locking pressure signal feedback device the most according to claim 1, its feature exists
In: being rotatably connected between described valve body and valve gap, valve gap is provided with and can limit it
The stop screw rotated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310506091.1A CN103520869B (en) | 2013-10-24 | 2013-10-24 | Self-locking pressure signal feedback device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310506091.1A CN103520869B (en) | 2013-10-24 | 2013-10-24 | Self-locking pressure signal feedback device |
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| Publication Number | Publication Date |
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| CN103520869A CN103520869A (en) | 2014-01-22 |
| CN103520869B true CN103520869B (en) | 2016-09-07 |
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| CN201310506091.1A Active CN103520869B (en) | 2013-10-24 | 2013-10-24 | Self-locking pressure signal feedback device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106948134B (en) * | 2014-09-12 | 2019-03-29 | 中山市雅西环保科技有限公司 | A kind of pneumatic control valve and the control device for selecting this pneumatic control valve |
| CN105438029A (en) * | 2015-12-29 | 2016-03-30 | 浙江安吉祥泰家具有限公司 | Foot rest sliding rail structure |
| CN106924923A (en) * | 2017-03-29 | 2017-07-07 | 浙江金盾消防器材有限公司 | One kind is tested oneself formula signal feedback device |
| CN108533827A (en) * | 2018-06-11 | 2018-09-14 | 浙江信达可恩消防实业有限责任公司 | A kind of initial signal feedback device for having pressure energy self-locking and energy hand-reset |
| CN112428806B (en) * | 2020-11-30 | 2021-10-22 | 重庆交通职业学院 | Dustproof device of electromechanical equipment for automobile |
| CN114087396B (en) * | 2021-11-24 | 2023-06-06 | 四川凌峰航空液压机械有限公司 | Self-locking gas-liquid conversion valve |
| CN118564514B (en) * | 2024-08-05 | 2025-10-21 | 中南大学 | Flow regulating valve and control method thereof |
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| JP2005209374A (en) * | 2004-01-20 | 2005-08-04 | Hatsuta Seisakusho Co Ltd | Pressure switch for discharge signal output of fire-fighting equipment |
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| CN2219974Y (en) * | 1994-10-01 | 1996-02-14 | 杨业勋 | Automatic control valve for air press |
| CN200957552Y (en) * | 2006-09-04 | 2007-10-10 | 梁宗杰 | Spring-opening self-locker of electric hammer square-hole double-ball |
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| CN103520869A (en) | 2014-01-22 |
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Denomination of invention: Self-locking pressure signal feedback device Effective date of registration: 20171108 Granted publication date: 20160907 Pledgee: Agricultural Bank of China Limited by Share Ltd. Haining branch Pledgor: ZHEJIANG THINK TANK FIRE STOPPER INDUSTRY Co.,Ltd. Registration number: 2017330000160 |
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Address after: No. 6 Tingtao Road, Haining High tech Industrial Park, Jiaxing City, Zhejiang Province 314000 Patentee after: Cohen Think Tank Fire(Zhejiang) Co. Country or region after: China Address before: No. 6 Tingtao Road, Haining High tech Industrial Park, Jiaxing City, Zhejiang Province, China 314424 Patentee before: ZHEJIANG THINK TANK FIRE STOPPER INDUSTRY Co.,Ltd. Country or region before: China |
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Effective date of registration: 20240708 Address after: No. 9 Sanxiu Road, Nanchuan District, Chongqing, 408400 (self committed) Patentee after: Chongqing Xinda Keen Group Co.,Ltd. Country or region after: China Address before: No. 6 Tingtao Road, Haining High tech Industrial Park, Jiaxing City, Zhejiang Province 314000 Patentee before: Cohen Think Tank Fire(Zhejiang) Co. Country or region before: China |
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