CN203634712U - Self-locking type pressure signal feedback device - Google Patents
Self-locking type pressure signal feedback device Download PDFInfo
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- CN203634712U CN203634712U CN201320658839.5U CN201320658839U CN203634712U CN 203634712 U CN203634712 U CN 203634712U CN 201320658839 U CN201320658839 U CN 201320658839U CN 203634712 U CN203634712 U CN 203634712U
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Abstract
The utility model discloses a self-locking type pressure signal feedback device which comprises a valve body, a valve cover, a piston, a micro switch and a channel, wherein the piston is provided with a lower plug body and an upper plug body; a stopping part for limiting a moving range is arranged in the valve body; an exposed section protruded from the valve cover is arranged at the top of the upper plug body; a wide-opening slot in which a ball is arranged is arranged at a position, which is perpendicular to the moving direction of the upper plug body, on the side part of the upper plug body and is provided with a tilted wall for enabling the ball to roll up and down conveniently; one side of the ball is arranged in the wide-opening slot; one side, which is arranged outside the wide-opening slot, of the ball is connected with the micro switch through an elastic component; when the piston is positioned on the most top of the piston, the ball is pushed out of the wide-opening slot by the upper plug body so as to outwards squeeze the elastic component; when the piston is positioned at the most bottom, the ball moves into the wide-opening slot under counter-acting force of the elastic component. The self-locking type pressure signal feedback device is compact in overall structure and conveniently and quickly mounted, has a self-locking function, can be only reset manually by a worker after being started and runs safely and safely; when a system is debugged, gas pressure starting is not needed, and manual execution can be realized.
Description
Technical field
The utility model relates to fire-fighting equipment and manufactures field, especially relates 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 article of 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.
Utility model content
The utility model is in order to overcome the deficiencies in the prior art, provides that one can manually be debugged, the reliable self-locking pressure signal of performance safety feedback device.
To achieve these goals, the utility model 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, the wide-mouth groove that is provided with built-in ball in the portion of described top plug side perpendicular to its moving direction place, 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 in the time of top, and ball is released wide-mouth groove and outwards pushed elastomeric element by upper cock body, and piston is in the time of bottommost, and ball is in the reaction force of elastomeric element is displaced downwardly to wide-mouth groove.
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 revealed section below place, and piston is in the time of top, and this indication section exposes to valve gap.
On described valve gap, be removably provided with an adapter sleeve corresponding to wide-mouth groove place, 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 utlity model has following advantage: 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, when system debug, start without air pressure, can manually carry out.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
In order to make those skilled in the art person better understand the utility model scheme, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment 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 entirety 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, can be for manual debugging time, extract upper cock body, start and also can carry out signal feedback debugging without air pressure; 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 cannelure or local groove, and in the present embodiment, preferably cannelure, can not need to look for notch when installation, more convenient; Ball 6 half are placed 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.
In the time that 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, in the time that 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.When 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, in the time that 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; In the time having parts damages, adopt Split type structure to be more convenient for changing and maintenance.
Concrete, carrying out manual system debugging in order conveniently to extract upper cock body, 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 below places 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.When 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, due to the setting of 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 utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all should belong to the scope of the utility model protection.
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, be provided with the wide-mouth groove (43) of built-in ball (6) perpendicular to its moving direction place, 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 in the time of top, and ball is released wide-mouth groove and outwards pushed elastomeric element by upper cock body (42), and piston is in the time of bottommost, and ball is in the reaction force of elastomeric element is displaced downwardly to wide-mouth groove.
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 revealed section (422) below place and be provided with the indication section (424) with cue mark, piston is in the time of 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 (431) of described wide-mouth groove 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 |
|---|---|---|---|
| CN201320658839.5U CN203634712U (en) | 2013-10-24 | 2013-10-24 | Self-locking type pressure signal feedback device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320658839.5U CN203634712U (en) | 2013-10-24 | 2013-10-24 | Self-locking type pressure signal feedback device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203634712U true CN203634712U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320658839.5U Withdrawn - After Issue CN203634712U (en) | 2013-10-24 | 2013-10-24 | Self-locking type pressure signal feedback device |
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| Country | Link |
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| CN (1) | CN203634712U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103520869A (en) * | 2013-10-24 | 2014-01-22 | 浙江信达可恩消防实业有限责任公司 | Self-locking pressure signal feedback device |
| CN109059075A (en) * | 2018-01-11 | 2018-12-21 | 广东美的厨房电器制造有限公司 | Range hood and cleaning system and joint assembly for range hood |
-
2013
- 2013-10-24 CN CN201320658839.5U patent/CN203634712U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103520869A (en) * | 2013-10-24 | 2014-01-22 | 浙江信达可恩消防实业有限责任公司 | Self-locking pressure signal feedback device |
| CN103520869B (en) * | 2013-10-24 | 2016-09-07 | 浙江信达可恩消防实业有限责任公司 | Self-locking pressure signal feedback device |
| CN109059075A (en) * | 2018-01-11 | 2018-12-21 | 广东美的厨房电器制造有限公司 | Range hood and cleaning system and joint assembly for range hood |
| CN109059075B (en) * | 2018-01-11 | 2020-02-28 | 广东美的厨房电器制造有限公司 | Range hood and cleaning system and joint assembly for range hood |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140611 Effective date of abandoning: 20160907 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |