CN217391470U - Explosion-proof water flow indicator - Google Patents
Explosion-proof water flow indicator Download PDFInfo
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- CN217391470U CN217391470U CN202220247243.5U CN202220247243U CN217391470U CN 217391470 U CN217391470 U CN 217391470U CN 202220247243 U CN202220247243 U CN 202220247243U CN 217391470 U CN217391470 U CN 217391470U
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- explosion
- proof
- bottom plate
- swing arm
- cover
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Abstract
The utility model relates to a technical field of water flow indicator for fire alarm, in particular to an explosion-proof water flow indicator, the contact surface of the outer cover and the bottom plate is a metal explosion-proof surface, the contact surface of the bottom plate and the middle part of the swing arm is a metal explosion-proof surface, and the wire joint is filled with explosion-proof medium, so that an explosion-proof cavity is isolated from the outside; the explosion-proof device comprises a sealing system, a time delay device and an explosion-proof cavity, wherein the time delay device is arranged on the sealing system, and the explosion-proof cavity is covered at the top end of the sealing system; sealing system includes guide bar, swing arm, indicator spring, bottom plate, saddle seat and saddle pad, and delay device installs on the bottom plate top, and the front end setting of guide bar is inside delay device, and inside the rear end of guide bar stretched into the delay device bottom, the swing arm middle part was provided with the pivot, and the through-hole of bottom plate and the through-hole that stretches into the guide bar are passed on the top of swing arm.
Description
Technical Field
The utility model relates to a fire control is reported to police and is used water flow indicator's technical field, especially relates to an explosion-proof water flow indicator.
Background
The water flow indicator is mainly used in a wet automatic water spraying fire extinguishing system, is generally arranged on a water distribution main pipe or a cross rod water pipe of each subarea of the system, converts a water flow signal into an electric signal and accesses the electric signal into a fire alarm system, but the water flow indicator in the prior art generally has no anti-explosion function, and the water flow indicator with a common structure is not suitable for an environment containing explosive gas and dust.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an enclosing cover is metal flame proof face with the contact surface of bottom plate, and the bottom plate is metal flame proof face with the contact surface at swing arm middle part, wire joint filling flame proof medium, makes explosion-proof chamber and external isolation, if explode in the flame proof intracavity, its explosion can be restricted at the flame proof intracavity, and can not transmit outside the explosion-proof chamber, realizes the explosion-proof water flow indicator of explosion-proof purpose.
The utility model discloses an explosion-proof water flow indicator, which comprises a sealing system, a time delay device and an explosion-proof cavity, wherein the time delay device is arranged on the sealing system, and the explosion-proof cavity is covered at the top end of the sealing system;
sealing system includes the guide bar, the swing arm, the indicator spring, the bottom plate, saddle seat and saddle pad, delay device installs on the bottom plate top, the front end setting of guide bar is inside delay device, the rear end of guide bar stretches into inside the delay device bottom, the swing arm middle part is provided with the pivot, the through-hole of bottom plate is passed and the through-hole of stretching into the guide bar in the top of swing arm, the front end and the swing arm lateral wall of indicator spring are connected, the opposite end of indicator spring passes through the fix with screw on the bottom plate top, explosion proof cavity cover dress is on the bottom plate top, the bottom plate bottom is connected with saddle seat top, the saddle pad sets up in the saddle seat bottom, saddle seat bottom is through "U" type bolt fixed mounting on the pipeline and with the pipeline intercommunication, and saddle seat top is provided with the recess, the swing arm lower part is installed inside saddle seat's recess, flabellum fixed mounting is in the bottom of swing arm.
Preferably, the time delay device comprises a time delay device bottom cover and a junction box top cover, the front section of the time delay device bottom cover is the time delay device, the top end of the rear section of the time delay device bottom cover is connected with the bottom end of the junction box top cover in a buckling mode, and the bottom end of the time delay device bottom cover is connected with the top end of the bottom plate.
Preferably, the explosion-proof chamber includes enclosing cover, sealing washer and wire-terminal, and the enclosing cover bottom is connected with the bottom plate top, and the sealing washer setting is filled between enclosing cover bottom and bottom plate top at the enclosing cover bottom, and wire-terminal installs on the enclosing cover lateral wall.
Preferably, the terminal box further comprises a microswitch, the microswitch is mounted at the rear section of the delayer bottom cover, and the microswitch is arranged between the delayer bottom cover and the terminal box top cover.
Preferably, the device further comprises a plug head, wherein the plug head is arranged at the tail end of the guide rod, and the plug head is contacted with the microswitch contact.
Preferably, the wire terminal is internally filled with an insulating material.
Preferably, the contact surface between the top end of the outer cover and the bottom end of the bottom plate is a metal explosion-proof surface, and the contact surface between the middle part of the bottom plate and the swing arm is a metal explosion-proof surface.
Compared with the prior art, the beneficial effects of the utility model are that: the fan blades are curled and inserted into an opening of a pipeline, a saddle is fixed on the pipeline, when no water flow exists in the pipeline, an indicator spring pulls a swing arm to the direction of the water flow, the swing arm pushes a guide rod to move towards the direction of the water flow, so that the guide rod drives a plug head to press a microswitch contact, and at the moment, no signal is sent out by a water flow indicator;
the contact surface of the outer cover and the bottom plate is a metal explosion-proof surface, the contact surface of the bottom plate and the middle part of the swing arm is a metal explosion-proof surface, and the wire joint is filled with an explosion-proof medium to isolate the explosion-proof cavity from the outside.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic top view of the present invention;
in the drawings, the reference numbers: 1. a time delay device; 2. a guide bar; 3. swinging arms; 4. an outer cover; 5. an indicator spring; 6. a seal ring; 7. a base plate; 8. a saddle seat; 9. a saddle pad; 10. a fan blade; 11. a wire terminal; 12. a microswitch; 13. a plug head; 14. a delayer bottom cover; 15. terminal box top cap.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
The front end of a guide rod 2 is arranged in a time delay device 1, the rear end of the guide rod 2 extends into a time delay device bottom cover 14, the middle part of a swing arm 3 is provided with a rotating shaft, the top end of the swing arm 3 penetrates through a through hole of a bottom plate 7 and extends into the through hole of the guide rod 2, the front end of an indicator spring 5 is connected with the outer side wall of the swing arm 3, the opposite end of the indicator spring 5 is fixed at the top end of the bottom plate 7 through a screw, an explosion-proof cavity is covered at the top end of the bottom plate 7, the bottom end of the bottom plate 7 is connected with the top end of a saddle seat 8, a saddle pad 9 is arranged at the bottom end of the saddle seat 8, the bottom end of the saddle seat 8 is fixedly arranged on a pipeline through a U-shaped bolt and communicated with the pipeline, the top end of the saddle seat 8 is provided with a groove, the lower part of the swing arm 3 is arranged in the groove of the saddle seat 8, and a fan blade 10 is fixedly arranged at the bottom end of the swing arm 3; curl the opening of inserting the pipeline with flabellum 10, fix saddle 8 on the pipeline, when no rivers in the pipeline, indicator spring 5 draws swing arm 3 to the rivers direction, make swing arm 3 promote guide bar 2 and remove to the rivers direction, thereby make guide bar 2 drive chock plug 13 and compress tightly micro-gap switch 12 contact, rivers indicator no signal sends this moment, because have the rotation axis in the middle of the swing arm 3, when flabellum 10 of 3 bottoms of swing arm is along the rivers direction swing under the rivers impact, 3 tops of swing arm move to the opposite direction, swing arm 3 breaks away from guide bar 2, make guide bar 2 drive chock plug 13 and remove to the opposite direction of rivers, after chock plug 13 breaks away from micro-gap switch 12 contact, micro-gap switch 12 sends alarm signal, the sensitivity of device is improved.
Example 2
The time delay device 1 is arranged at the top end of a bottom plate 7, the front end of a guide rod 2 is arranged in the time delay device 1, the rear end of the guide rod 2 extends into a time delay device bottom cover 14, the middle part of a swing arm 3 is provided with a rotating shaft, the top end of the swing arm 3 passes through a through hole of the bottom plate 7 and extends into a through hole of the guide rod 2, the front end of an indicator spring 5 is connected with the outer side wall of the swing arm 3, the opposite end of the indicator spring 5 is fixed at the top end of the bottom plate 7 through a screw, the bottom end of the bottom plate 7 is connected with the top end of a saddle seat 8, a saddle pad 9 is arranged at the bottom end of the saddle seat 8, the bottom end of the saddle seat 8 is fixedly arranged on a pipeline and communicated with the pipeline through a U-shaped bolt, the top end of the saddle seat 8 is provided with a groove, the lower part of the swing arm 3 is arranged in the groove of the saddle seat 8, a fan blade 10 is fixedly arranged at the bottom end of the swing arm 3, the bottom end of an outer cover 4 is connected with the top end of the bottom plate 7, a sealing ring 6 is arranged at the bottom end of the outer cover 4 and filled between the bottom end of the outer cover 4 and the top end of the bottom plate 7, the wire connector 11 is mounted on the outer side wall of the outer cover 4; the contact surface of the outer cover 4 and the bottom plate 7 is a metal explosion-proof surface, the contact surface of the bottom plate 7 and the middle part of the swing arm 3 is a metal explosion-proof surface, and the wire joint 11 is filled with an explosion-proof medium to isolate an explosion-proof cavity from the outside.
As shown in fig. 1-2, the utility model discloses an explosion-proof water flow indicator, it is at the during operation, at first curl the opening of inserting the pipeline with flabellum 10, fix saddle 8 on the pipeline, when no rivers in the pipeline, indicator spring 5 pulls swing arm 3 to the rivers direction, make swing arm 3 promote guide bar 2 and remove to the rivers direction, thereby make guide bar 2 drive chock plug 13 and compress tightly micro-gap switch 12 contact, rivers indicator no signal sends this moment, later because have the rotation axis in the middle of the swing arm 3, when flabellum 10 when the swing arm 3 bottom swings along the rivers direction under the rivers impact, 3 tops of swing arm move to the opposite direction, then swing arm 3 breaks away from guide bar 2, thereby make guide bar 2 drive chock plug 13 and remove to the opposite direction of rivers, after chock plug 13 breaks away from micro-gap switch 12 contact, micro-gap switch 12 sends alarm signal.
The utility model discloses the main function who realizes does: the contact surface of the outer cover 4 and the bottom plate 7 is a metal explosion-proof surface, the contact surface of the bottom plate 7 and the middle part of the swing arm 3 is a metal explosion-proof surface, and the wire joint 11 is filled with an explosion-proof medium to isolate an explosion-proof cavity from the outside.
The utility model discloses an explosion-proof rivers indicator, its mounting means, connected mode or set up the mode and be common mechanical system, as long as can reach all can implement of its beneficial effect.
All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. An explosion-proof water flow indicator is characterized by comprising a sealing system, a delay device (1) and an explosion-proof cavity, wherein the delay device (1) is arranged on the sealing system, and the explosion-proof cavity is covered at the top end of the sealing system;
the sealing system comprises a guide rod (2), a swing arm (3), an indicator spring (5), a bottom plate (7), a saddle seat (8) and a saddle pad (9), wherein the time delay device (1) is installed at the top end of the bottom plate (7), the front end of the guide rod (2) is arranged inside the time delay device (1), the rear end of the guide rod (2) extends into a bottom cover (14) of the time delay device, a rotating shaft is arranged in the middle of the swing arm (3), the top end of the swing arm (3) penetrates through a through hole of the bottom plate (7) and extends into a through hole of the guide rod (2), the front end of the indicator spring (5) is connected with the outer side wall of the swing arm (3), the opposite end of the indicator spring (5) is fixed at the top end of the bottom plate (7) through a screw, an explosion-proof cavity is covered at the top end of the bottom plate (7), the bottom end of the bottom plate (7) is connected with the top end of the saddle seat (8), the saddle pad (9) is arranged at the bottom end of the saddle seat (8), the bottom end is fixedly installed on a pipeline through a U-shaped bolt and is communicated with the pipeline, and the top of saddle seat (8) is provided with a groove, the lower part of swing arm (3) is installed in the groove of saddle seat (8), and fan blade (10) is fixedly installed at the bottom of swing arm (3).
2. The explosion-proof water flow indicator of claim 1, wherein the delay device (1) comprises a delayer bottom cover (14) and a junction box top cover (15), the front section of the delayer bottom cover (14) is the delay device (1), the top end of the rear section of the delayer bottom cover (14) is connected with the bottom end of the junction box top cover (15) in a snap-fit manner, and the bottom end of the delayer bottom cover (14) is connected with the top end of the bottom plate (7).
3. An explosion-proof water flow indicator as claimed in claim 1, characterised in that the explosion-proof chamber comprises an outer cover (4), a sealing ring (6) and a wire connector (11), the bottom end of the outer cover (4) is connected with the top end of the base plate (7), the sealing ring (6) is arranged at the bottom end of the outer cover (4) and filled between the bottom end of the outer cover (4) and the top end of the base plate (7), and the wire connector (11) is installed on the outer side wall of the outer cover (4).
4. An explosion-proof water flow indicator as claimed in claim 2, further comprising a microswitch (12), wherein the microswitch (12) is mounted at the rear section of the delayer bottom cover (14), and the microswitch (12) is arranged between the delayer bottom cover (14) and the junction box top cover (15).
5. An explosion-proof water flow indicator as claimed in claim 1, further comprising a plug (13), the plug (13) being mounted on the end of the guide rod (2), and the plug (13) being in contact with the microswitch (12) contact.
6. An explosion-proof water flow indicator according to claim 3, characterised in that the wire terminal (11) is internally filled with a barrier material.
7. The explosion-proof water flow indicator of claim 3, characterized in that the contact surface between the top of the outer cover (4) and the bottom of the bottom plate (7) is a metal explosion-proof surface, and the contact surface between the middle of the bottom plate (7) and the swing arm (3) is a metal explosion-proof surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220247243.5U CN217391470U (en) | 2022-01-30 | 2022-01-30 | Explosion-proof water flow indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220247243.5U CN217391470U (en) | 2022-01-30 | 2022-01-30 | Explosion-proof water flow indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217391470U true CN217391470U (en) | 2022-09-09 |
Family
ID=83135578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220247243.5U Active CN217391470U (en) | 2022-01-30 | 2022-01-30 | Explosion-proof water flow indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217391470U (en) |
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2022
- 2022-01-30 CN CN202220247243.5U patent/CN217391470U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 789, Chunyang Road, High tech Zone, Qingdao, Shandong 266200 Patentee after: Weilong Valve Co.,Ltd. Patentee after: LAIZHOU WEILONG VALVE Co.,Ltd. Patentee after: QINGDAO WEILONG FLUID EQUIPMENT Co.,Ltd. Address before: No. 45, Xinghe Road, Lancun Town, Jimo City, Qingdao City, Shandong Province, 266200 Patentee before: Weilong Valve Co.,Ltd. Patentee before: LAIZHOU WEILONG VALVE Co.,Ltd. Patentee before: QINGDAO WEILONG FLUID EQUIPMENT Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |