CN103520869A - Self-locking pressure signal feedback device - Google Patents
Self-locking pressure signal feedback device Download PDFInfo
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- CN103520869A CN103520869A CN201310506091.1A CN201310506091A CN103520869A CN 103520869 A CN103520869 A CN 103520869A CN 201310506091 A CN201310506091 A CN 201310506091A CN 103520869 A CN103520869 A CN 103520869A
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- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000001737 promoting effect Effects 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
- 239000003550 marker Substances 0.000 description 1
- 229920001195 polyisoprene Polymers 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 self-locking pressure signal feedback device which comprises a valve body, a valve cover, a piston, a microswitch and a channel, wherein the piston is provided with a lower piston body and an upper piston body; the valve body is internally provided with a baffle part defining the moving range of the lower piston body; the top of the upper piston body is provided with an exposed section protruding out of the valve cover; a wide-mouth groove internally provided with a ball is formed in the side part of the upper piston body, is perpendicular to the moving direction of the upper piston body and is provided an inclined wall facilitating vertical rolling of the ball; one side of the ball is arranged in the wide-mouth groove, and one side, outside the wide-mouth groove, of the ball is connected with the microswitch through an elastic part; the ball is pushed out of the wide-mouth groove by the upper piston body and outwards extrudes the elastic part when the piston is located at the topmost part; the ball moves into the wide-mouth groove under the counter force of the elastic part when the piston is located at the bottommost part. The device is compact in integral structure and convenient and rapid to install, has a self-locking function, can be reset only by man power after being started and is safe and reliable in operation, and system debugging does not need air pressure starting and can be carried out manually.
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 the parts to fire extinguishing system control device by the system signal feedback that normally startup is spurted.The 5.15th regulation of GB25972--2010 " gas extinguishing system and parts ", the signal feedback device in gas extinguishing system should have auto-lock function, and can only manually reset after action.And the pressure signal feedback device using is before all the requirement design according to the industry standard GA400-2002 of the Ministry of Public Security " gas extinguishing system and parts performance requirement and test method ", there is no auto-lock function, signal disappears after having sprayed with extinguishing chemical, cannot confirm in time which guard plot has spurted extinguishing chemical.
Summary of the invention
The present invention is in order to overcome the deficiencies in the prior art, provides a kind of and can manually debug, the reliable self-locking pressure signal of performance safety feedback device.
To achieve these goals, the present invention is by the following technical solutions: a kind of self-locking pressure signal feedback device, comprise valve body, valve gap, the piston that can move up and down, the microswitch of opening and be located at the passage that is provided with supplied gas circulation in valve body in valve body under piston driving, piston has and is plugged in the lower cock body of described channel exit and wears the upper cock body of penetrating in valve gap; In valve body, be provided with the stopper that limits lower cock body moving range, the top of upper cock body has the revealed section that protrudes from valve gap, in the portion of described top plug side, perpendicular to its moving direction place, be provided with the wide-mouth groove of built-in ball, this wide-mouth groove has the skew wall of being convenient to ball scroll-up/down; Ball one side is in wide-mouth groove, and the side being placed on ball outside wide-mouth groove is connected with described microswitch by elastomeric element; Piston is when top, and ball is released wide-mouth groove and outwards pushed elastomeric element by upper cock body, and piston is when bottommost, and ball is displaced downwardly in wide-mouth groove in the reaction force of elastomeric element.
As preferably, described revealed section is provided with protuberance or the recess of being convenient to extract piston along peripheral direction.
Further, described upper cock body is upper is provided with the indication section with cue mark in place, revealed section below, and piston is when top, and this indication section exposes to valve gap.
On described valve gap, corresponding to wide-mouth groove place, be removably provided with an adapter sleeve, a part for ball is placed in wide-mouth groove, and another part of ball and described elastomeric element are all 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, on described adapter sleeve sidewall, be provided with two through holes that hold spacing ball with connecting sleeve joint contact position, on connecting sleeve joint outer wall, be circumferentially with a ring annular groove with this edge, through hole corresponding position, a spacing ball part is placed in through hole, and a part is placed in cannelure; On adapter sleeve lateral wall, be arranged with the cutting ferrule that can horizontally slip with through hole corresponding position.
As preferably, described cutting ferrule one end and a spring offset, 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 is the protuberance of valve body integrative-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, between described valve body and valve gap, be rotatably connected, valve gap is provided with the stop screw that can limit its rotation.
In sum, the present invention has the following advantages: device compact overall structure, and 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, without air pressure, start, can manually carry out.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
The specific embodiment
In order to make those skilled in the art person better understand 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 to clear, complete description.
As shown in Figure 1, a kind of self-locking pressure signal feedback device, comprise valve body 1, valve gap 2, piston 4 and microswitch 5, valve gap 2 covers in outside valve body upper end, concrete, between described valve body and valve gap, be rotatably connected, valve gap can rotate by 360 degree, so that adjust as required outlet direction, valve gap is provided with the stop screw 24 that can limit its dropout; Piston 4 is located in valve body 1, in valve body 1, be provided with the passage 14 of supplied gas circulation and supply the up and down chamber 18 of piston 4, chamber 18 and passage 14 are connected, piston 4 has and is plugged in the lower cock body 41 in described passage 14 exits and wears the upper cock body 42 of penetrating 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 integral body are placed in valve gap 2, its top protrudes from valve gap 2 and forms a revealed section 422, the setting of revealed section 422, in the time of can be for manual debugging, extract upper cock body, without air pressure, start and also can carry out signal feedback debugging; Between the bottom of lower cock body 41 and valve interior wall, be provided with sealing ring 414, guarantee air-tightness; In valve body, be provided with the stopper 419 that limits lower cock body 41 movings range, 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 has the wide-mouth groove 43 of built-in ball 6 perpendicular to its moving direction place, ball is steel ball, this wide-mouth groove has the skew wall 431 of being convenient to ball 6 scroll-up/down, the setting of skew wall, being convenient to ball rolls, the angle of inclination of skew wall can arrange as required, generally elects 30 as and is easier to while spending roll; This wide-mouth groove can be for cannelure or local groove, and in the present embodiment, preferably cannelure, can not need to look for notch during installation, more convenient; Half is placed in ball 6 in wide-mouth groove, and half is placed in outside groove, and the side being placed on ball 6 outside wide-mouth groove is connected with described microswitch 5 by spring 8, also can adopt other elastomeric elements as elastic caoutchouc etc.
When system starts, gas is through passage, promoting piston 4 moves upward, then promoting cock body on piston moves upward, ball in wide-mouth groove is conflicted by skew wall, so outwards move and start extrusion spring, when under piston, cock body moves upward to maximum position, ball is extruded wide-mouth groove completely, to the right extrusion spring and promote microswitch action.During manual reset, press cock body, cock body under piston be placed in to bottommost, ball in spring reaction force under be moved in wide-mouth groove.Device compact overall structure, dependable performance can manually be extracted cock body in the situation that not needing air pressure, manually to debug, when needs reset, can only reset by cock body on Manual press, has good auto-lock function.In other embodiment, upper cock body and lower cock body can be made as to integrative-structure, piston first passes valve gap again through after valve body; When having parts damages, adopt Split type structure to be more convenient for changing and maintenance.
Concrete, in order conveniently to extract upper cock body, carrying out manual system debugging, protuberance or recess that described revealed section 422 is provided with along peripheral direction, be provided with a ring annular groove 420 in revealed section periphery in the present embodiment; On described upper cock body 42, be positioned at revealed section 422 places, below and be provided with the indication section 424 with cue mark, as preferably, this cue mark is recess 423, also can on recess, apply one deck colour-coded, when piston is during in top,, after device starts, this indication section exposes to the top of valve gap 2, we can know the color marker that has of seeing indication recess 423 places, and show that device starts.
For the ease of dismounting with install, on described valve gap 2, corresponding to the wide-mouth groove 43 places adapter sleeve 71 that is threaded, a part for ball 6 is placed in wide-mouth groove, and another part of ball 6 and described spring 8 are all 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; Obviously, also can directly connecting sleeve joint 72 be connected with valve gap, and save adapter sleeve.
Further, on adapter sleeve 71 sidewalls, be provided with two through holes that hold spacing ball 77 with connecting sleeve joint 72 contact positions, on connecting sleeve joint 72 outer walls, be circumferentially with a ring annular groove 721 with this edge, through hole corresponding position, spacing ball 77 parts are placed in through hole, and a part is placed in cannelure 721; On adapter sleeve 71 lateral walls, be arranged with the cutting ferrule 74 that can horizontally slip with through hole corresponding position; Concrete, described cutting ferrule 74 one end connect a screens spring 744, and the other end is undertaken 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, be fastened under the effect of limit spring and offset with limiting retainer ring 743, and spacing ball is arranged in through hole and cannelure, between connecting sleeve joint and adapter sleeve, realize fixing, setting due to cannelure, connecting sleeve joint can be around connecting interplanting 360 degree rotations, and overall structure is simple, is convenient to install, dismantle.
Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, should belong to the scope of protection of the invention.
Claims (10)
1. a self-locking pressure signal feedback device, comprise valve body (1), valve gap (2), the piston (4) that can move up and down, the microswitch (5) of opening and be located at the passage (14) that is provided with supplied gas circulation in valve body in valve body under piston driving, piston (4) has and is plugged in the lower cock body (41) in described passage (14) exit and wears the upper cock body (42) of penetrating in valve gap (2); In valve body, be provided with the stopper (419) that limits lower cock body (41) moving range, the top of upper cock body (42) has the revealed section (422) that protrudes from valve gap (2), it is characterized in that: on described upper cock body (42) sidepiece, perpendicular to its moving direction place, be provided with the wide-mouth groove (43) of built-in ball (6), this wide-mouth groove has the skew wall (431) of being convenient to ball scroll-up/down; Ball (6) one sides are in wide-mouth groove, and the side being placed on ball (6) outside wide-mouth groove is connected with described microswitch (5) by elastomeric element (8); Piston is when top, and ball is released wide-mouth groove and outwards pushed elastomeric element by upper cock body (42), and piston is when bottommost, and ball is displaced downwardly in wide-mouth groove in the reaction force of elastomeric element.
2. self-locking pressure signal feedback device according to claim 1, is characterized in that: described revealed section (422) is provided with protuberance or the recess of being convenient to extract piston along peripheral direction.
3. self-locking pressure signal feedback device according to claim 1, it is characterized in that: on described upper cock body (42), be positioned at place, revealed section (422) below and be provided with the indication section (424) with cue mark, piston is when top, and this indication section exposes to valve gap (2).
4. self-locking pressure signal feedback device according to claim 1, it is characterized in that: described valve gap (2) is upper locates to be removably provided with an adapter sleeve (71) corresponding to wide-mouth groove (43), a part for ball (6) is placed in wide-mouth groove, and another part of ball (6) and described elastomeric element (8) are all placed in adapter sleeve (71); The other end of adapter sleeve (71) connects a connecting sleeve joint (72), and described microswitch is placed in this connecting sleeve joint (72).
5. self-locking pressure signal feedback device according to claim 1, it is characterized in that: on described adapter sleeve (71) sidewall, be provided with two with connecting sleeve joint (72) contact position and hold the through hole of spacing ball (77), on connecting sleeve joint (72) outer wall, be circumferentially with a ring annular groove (721) with this edge, through hole corresponding position, a spacing ball part is placed in through hole, and a part is placed in cannelure (721); On adapter sleeve (71) lateral wall, be arranged with the cutting ferrule (74) that can horizontally slip with through hole corresponding position.
6. self-locking pressure signal feedback device according to claim 5, is characterized in that: described cutting ferrule (74) one end and a spring (744) offset, and the other end and a limiting retainer ring offset.
7. self-locking pressure signal feedback device according to claim 1, is characterized in that: described stopper (419) is for being sheathed on the locating piece on lower cock body or being the protuberance of valve body integrative-structure.
8. according to the self-locking pressure signal feedback device described in any one in claim 1-7, it is characterized in that: described upper cock body and lower cock body are Split type structure.
9. self-locking pressure signal feedback device according to claim 1, is characterized in that: the angle of inclination of the skew wall of described wide-mouth groove (431) is 30 degree.
10. self-locking pressure signal feedback device according to claim 1, is characterized in that: between described valve body and valve gap, be rotatably connected, valve gap is provided with the stop screw that can limit its rotation.
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 |
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| 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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| CN103520869A true CN103520869A (en) | 2014-01-22 |
| CN103520869B CN103520869B (en) | 2016-09-07 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106948134A (en) * | 2014-09-12 | 2017-07-14 | 中山市雅西环保科技有限公司 | A kind of pneumatic control valve and the control device from this pneumatic control valve |
| 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 |
| CN112428806A (en) * | 2020-11-30 | 2021-03-02 | 重庆交通职业学院 | Dustproof device of electromechanical equipment for automobile |
| CN114087396A (en) * | 2021-11-24 | 2022-02-25 | 四川凌峰航空液压机械有限公司 | Self-locking gas-liquid conversion valve |
| CN118564514A (en) * | 2024-08-05 | 2024-08-30 | 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 |
| 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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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948134A (en) * | 2014-09-12 | 2017-07-14 | 中山市雅西环保科技有限公司 | A kind of pneumatic control valve and the control device from this pneumatic control valve |
| CN106948135A (en) * | 2014-09-12 | 2017-07-14 | 中山市雅西环保科技有限公司 | A kind of Self-resetting volume control device |
| 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 |
| CN112428806A (en) * | 2020-11-30 | 2021-03-02 | 重庆交通职业学院 | Dustproof device of electromechanical equipment for automobile |
| CN114087396A (en) * | 2021-11-24 | 2022-02-25 | 四川凌峰航空液压机械有限公司 | Self-locking gas-liquid conversion valve |
| 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 |
| CN118564514A (en) * | 2024-08-05 | 2024-08-30 | 中南大学 | Flow regulating valve and control method thereof |
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| CN103520869B (en) | 2016-09-07 |
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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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