CN219307820U

CN219307820U - Explosion-proof water flow indicator

Info

Publication number: CN219307820U
Application number: CN202223418577.3U
Authority: CN
Inventors: 黄厚德; 黄丹萍
Original assignee: Hengdun Fire Fighting Technology Co ltd
Current assignee: Hengdun Fire Fighting Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-07-07
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses an explosion-proof water flow indicator, which comprises a saddle wire holder, a plurality of wire connecting terminals on the upper side of the saddle wire holder, a pair of micro switches connected with the wire connecting terminals, a guide rod penetrating through the saddle wire holder, a pushing sliding sheet clamped on the guide rod and used for contacting water flow, a pushing sliding sheet for pushing the guide rod to move, a stirring protrusion arranged at the end part of the guide rod in a threaded manner and used for stirring the micro switches, and a reset spring sleeved on the guide rod and used for resetting the guide rod, wherein the guide rod is provided with a plurality of connecting terminals; the method is characterized in that: a reaction cavity for installing a wiring terminal and a micro switch is arranged on the saddle wiring seat; the saddle wire holder is provided with a slide moving cavity which enables the pushing slide to have enough moving space.

Description

Explosion-proof water flow indicator

Technical Field

The utility model relates to the technical field of water flow indicators, in particular 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 water distribution main pipes or cross rod water pipes of all the subareas of the system, converts water flow signals into electric signals, is connected into a fire alarm system, and when a fire disaster occurs, the emergency spray head starts spraying water, water in the water pipes flows, so that the water flow indicator acts, and the fire disaster occurrence position can be rapidly judged; the explosion-proof water flow indicator disclosed in the patent of application number 202220247243.5 is characterized in that a swing arm penetrates through a through hole of a bottom plate and is provided with a fan blade, a water flow impact fan blade drives the swing arm to act so that a guide rod drives a plug to press a micro switch contact, at the moment, the water flow indicator is not sent out, because a rotating shaft is arranged in the middle of the swing arm, when the fan blade at the bottom end of the swing arm swings along the water flow direction under the water flow impact, the top end of the swing arm moves in the opposite direction, the swing arm is separated from the guide rod, the guide rod drives the plug to move in the opposite direction of the water flow, and when the plug is separated from the micro switch contact, the micro switch sends out an alarm signal; because the through hole of the bottom plate is too small, the action amplitude of the swing arm is limited, so that the plug cannot well touch the switch contact.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide an explosion-proof water flow indicator so as to solve the problems.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an explosion-proof water flow indicator, which comprises a saddle wire holder, a plurality of wire connecting terminals on the upper side of the saddle wire holder, a pair of micro switches connected with the wire connecting terminals, a guide rod penetrating through the saddle wire holder, a pushing sliding sheet clamped on the guide rod and used for being contacted with water flow to push the guide rod to move, a stirring protrusion arranged at the end part of the guide rod in a threaded manner and used for stirring the micro switches, and a reset spring sleeved on the guide rod to reset the guide rod, wherein the guide rod is provided with a plurality of connecting terminals; a reaction cavity for installing a wiring terminal and a micro switch is arranged on the saddle wiring seat; the saddle wire holder is provided with a slide moving cavity which enables the pushing slide to have enough moving space.

A threading pipe for threading the lead out of the reaction cavity is fixed on one side of the reaction cavity; a wire sealing joint is mounted on the threading tube.

Further, the end of the guide rod far away from the poking protrusion is provided with a grounding connecting sheet.

Further, the pushing sliding sheet is limited on the guide rod through a clamping spring.

Further, a blocking cover for blocking the reaction cavity is arranged on the saddle wire holder; and a sealing ring is arranged between the plugging cover and the saddle wiring seat.

Further, the saddle wiring seat and the plugging cover are metal castings and are locked together through hexagon bolts.

Further, a spring sheet matched with the poking protrusion is arranged on the micro switch.

The beneficial effects of the utility model are as follows:

an explosion-proof water flow indicator is characterized in that a plurality of groups of jacks are formed in a deboning table, a reaction cavity for installing a wiring terminal and a microswitch is formed in the upper side of a saddle wiring seat, a sliding sheet moving cavity for enabling a pushing sliding sheet to have enough moving space is formed in the lower side of the saddle wiring seat, a guide rod penetrates through the sliding sheet moving cavity, and a poking protrusion of one end of the guide rod, which is arranged on the guide rod in a threaded manner in the reaction cavity, pokes the microswitch to convert a water flow signal into an electric signal, and the electric signal is input into a control system; the sliding vane is pushed to move left and right in the sliding vane moving cavity, so that the sliding vane is pushed to use more moving space, and the poking bulge has a larger action range, so that the micro switch can be better pressed, and the conversion of the electric signal is completed;

the poking bulge threads are arranged on the guide rod, so that the position of the poking bulge on the guide rod can be adjusted, and the micro switch can be pressed better.

Drawings

FIG. 1 is a schematic view of the overall structure of an explosion-proof water flow indicator according to the present utility model;

fig. 2 is a schematic diagram of a micro switch structure of an explosion-proof water flow indicator according to the present utility model.

Reference numerals in the drawings:

1. saddle wire holders; 2. a connection terminal; 3. a micro-switch; 4. a guide rod; 5. pushing the sliding vane; 6. the protrusion is stirred; 7. a return spring; 8. a reaction chamber; 9. a slide moving chamber; 10. a threading tube; 11. a wire sealing joint; 12. a grounding connection piece; 13. clamping springs; 14. a blocking cover; 15. a seal ring; 16. a hexagonal bolt; 17. and the elastic sheet.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 2, the explosion-proof water flow indicator provided in the present embodiment includes a saddle wire holder 1, a plurality of wire terminals 2 on the upper side of the saddle wire holder 1, a pair of micro switches 3 connected with the wire terminals 2, a guide rod 4 passing through the saddle wire holder 1, a push slide sheet 5 clamped on the guide rod 4 for contacting with water flow and pushing the guide rod 4 to move, a toggle protrusion 6 screwed on the end of the guide rod 4 for toggling the micro switches 3, and a reset spring 7 sleeved on the guide rod 4 to reset the guide rod 4; the method is characterized in that: a reaction cavity 8 for installing the wiring terminal 2 and the micro switch 3 is arranged on the saddle wiring seat 1; the saddle wire holder 1 is provided with a slide moving chamber 9 for allowing a sufficient moving space for pushing the slide 5.

A threading pipe 10 for threading the lead out of the reaction chamber 8 is fixed on one side of the reaction chamber 8; a wire sealing joint 11 is mounted on the threading pipe 10; the signal transmission line passes through the threading pipe 18 and is connected with the wiring terminal 2, and the wire sealing joint 11 is sleeved on the signal transmission line to form a sealing structure.

Further, a grounding connection sheet 12 is arranged at one end of the guide rod 4 far away from the poking protrusion 6; the ground connection prevents the leakage from leading to the assurance.

Further, the pushing slide 5 is limited on the guide rod 4 by a snap spring 13.

A plugging cover 14 for plugging the reaction cavity 8 is further arranged on the saddle wire holder 1; a sealing ring 15 is arranged between the plugging cover 14 and the saddle wiring seat 1, so that the reaction cavity 8 is a sealed space.

Further, the saddle wiring seat 1 and the plugging cover 14 are metal castings and are locked together through a hexagonal bolt 16; the tightness between the saddle wiring seat 1 and the plugging cover 14 is enhanced by locking the hexagon bolts 16.

Further, a spring piece 17 matched with the poking bulge 6 is arranged on the micro switch 3; when the toggle protrusion 6 moves, the elastic sheet 17 is pushed to move, so that the micro switch 3 is connected to finish the output of the electric signal.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The utility model is not to be limited by the specific embodiments disclosed herein, and other embodiments are within the scope of the utility model as defined by the claims of the present application.

Claims

1. An explosion-proof water flow indicator comprises a saddle wire holder (1), a plurality of wiring terminals (2) on the upper side of the saddle wire holder (1), a pair of micro switches (3) connected with the wiring terminals (2), a guide rod (4) penetrating through the saddle wire holder (1), a pushing sliding sheet (5) clamped on the guide rod (4) and used for being contacted with water flow to push the guide rod (4) to move, a stirring protrusion (6) which is arranged at the end part of the guide rod (4) in a threaded manner and used for stirring the micro switches (3), and a reset spring (7) which is sleeved on the guide rod (4) and used for resetting the guide rod (4); the method is characterized in that: a reaction cavity (8) for installing a wiring terminal (2) and a micro switch (3) is arranged on the saddle wiring seat (1); a slide moving cavity (9) which enables the pushing slide (5) to have enough moving space is arranged on the saddle wire holder (1).

2. An explosion-proof water flow indicator according to claim 1, wherein: one side of the reaction cavity (8) is fixed with a reaction tube the lead passes through a threading pipe (10) of the reaction cavity (8); a wire sealing joint (11) is mounted on the threading pipe (10).

3. An explosion-proof water flow indicator according to claim 1, wherein: and one end of the guide rod (4) far away from the poking bulge (6) is provided with a grounding connecting sheet (12).

4. An explosion-proof water flow indicator according to claim 1, wherein: the pushing slide sheet (5) is limited on the guide rod (4) through a clamp spring (13).

5. An explosion-proof water flow indicator according to claim 1, wherein: a plugging cover (14) for plugging the reaction cavity (8) is arranged on the saddle wire holder (1); a sealing ring (15) is arranged between the plugging cover (14) and the saddle wiring seat (1).

6. An explosion-proof water flow indicator according to claim 5, wherein: the saddle wire holder (1) and the plugging cover (14) are metal castings and are locked together through a hexagonal bolt (16).

7. An explosion-proof water flow indicator according to claim 1, wherein: an elastic sheet (17) matched with the poking bulge (6) is arranged on the micro switch (3).