CN216963421U - Water flow indicator with time delay function - Google Patents
Water flow indicator with time delay function Download PDFInfo
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- CN216963421U CN216963421U CN202220387422.9U CN202220387422U CN216963421U CN 216963421 U CN216963421 U CN 216963421U CN 202220387422 U CN202220387422 U CN 202220387422U CN 216963421 U CN216963421 U CN 216963421U
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- time delay
- water flow
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- rotary drum
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Abstract
The utility model discloses a water flow indicator with a time delay function, which comprises a connecting piece and flange plates at two ends of the connecting piece, wherein the top end of the connecting piece is fixedly connected with a fixed plate, the upper surface of the fixed plate is provided with a rotating plate, a flow blocking blade is arranged inside the connecting piece, the top end of the flow blocking blade is fixedly provided with an action rod, the middle positions of the fixed plate and the rotating plate are jointly provided with a rotating cylinder, the action rod penetrates through the rotating cylinder to extend to the upper part of the rotating plate and is fixedly provided with a pressure applying head, and two sides of the pressure applying head are respectively provided with a time delay unit and a microswitch. According to the utility model, through the arrangement of the rotating plate, the threaded hole, the first mounting hole and the second mounting hole, when the reverse water flow indicator is installed unintentionally, the butterfly bolt is only required to be unscrewed and the rotating plate is rotated by 180 degrees, so that the flow blocking blade, the action rod and the microswitch are rotated by 180 degrees to be aligned, the installation direction is aligned, the indicator is not required to be dismounted and installed again, and the operation efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of water flow indicators, in particular to a water flow indicator with a time delay function.
Background
The water flow indicator is an important component of an automatic water spraying fire extinguishing system, is generally installed on a main pipe or a branch pipe of a pipe network on the side of the system, and the existing water flow indicator with the time delay function generally has the following working states: when a fire disaster occurs, the system is started, the spray head sprays water, water in the pipeline begins to flow, the blade in the water flow impact indicator deflects and inclines towards the water flow direction, the action rod extrudes the microswitch, the delayer is started, if the water flow continuously applies pressure to the blade, the action rod continuously applies pressure to the microswitch, the blade still does not respond after the pressure application time reaches the delay set time, the electric contact of the delayer is closed, an electric contact signal is given, the blade and the action rod reset after the water flow stops for a certain time, the switch contact is disconnected, the electric contact signal is eliminated, and an alarm signal is sent out after a certain time is delayed so as to prevent false alarm possibly caused by instantaneous water pressure fluctuation of fire fighting.
However, the existing water flow indicator has unidirectionality, once the direction is not noticed, when the water flow indicator is impacted, the action rod inclines to one side far away from the micro switch, the water flow indicator cannot transmit an alarm signal, the water flow indicator needs to be detached from the pipeline again and installed again, and the work efficiency is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a water flow indicator with a time delay function.
In order to achieve the purpose, the utility model adopts the following technical scheme: a water flow indicator with time delay function comprises a connecting piece and flange plates at two ends of the connecting piece, the top end of the connecting piece is fixedly connected with a fixed plate, the upper surface of the fixed plate is provided with a rotating plate, the inside of the connecting piece is provided with a flow blocking blade, the top end of the flow blocking blade is fixed with an action rod, the middle positions of the fixed plate and the rotating plate are provided with a rotating drum together, the action rod passes through the rotating drum to extend to the upper part of the movable rotating plate and is fixed with a pressure applying head, the two sides of the pressure applying head are respectively provided with a time delay device and a microswitch, the action rod is rotationally connected with the inner wall of the rotating drum, wherein a metal elastic sheet is arranged between the microswitch and the pressure applying head, when the action rod is close to the microswitch, the metal elastic sheet is driven to be contacted with the microswitch so as to realize alarming, when the water flow does not flow, the action rod can be pushed to restore under the action of the spring leaf.
Furthermore, the outer surface of the rotary drum is fixedly connected with the rotating plate, the outer surface of the rotary drum is rotatably connected with the fixed plate, and a sealing ring is arranged between the fixed plate and the rotary drum, so that the rotary drum can rotate conveniently.
Furthermore, the upper end and the lower end of the rotary drum are provided with openings, a sealing rubber sheet is fixed at the bottom end of the rotary drum and is in sealing connection with the action rod, so that the water retaining effect is achieved, and meanwhile, the action rod cannot be influenced due to the elasticity of the sealing rubber sheet.
Furthermore, two mounting holes are formed in the surface of the rotating plate, threaded holes corresponding to the two mounting holes are formed in the surface of the fixing plate, and butterfly bolts are connected between the mounting holes and the threaded holes, so that the fixing plate and the rotating plate can be conveniently positioned, and the rotating plate can be tightly pressed against the fixing plate for sealing.
Furthermore, the lower surface of rotor plate is fixed with annular packing, the ring channel has been seted up to the lower surface of fixed plate, annular packing is located the inside of ring channel, plays sealed effect, avoids rivers to spill over.
Furthermore, a protective cover is arranged at the top of the rotating plate, and an internal thread ring is fixed on the upper surface of the rotating plate.
Further, the bottom surface of protective cover is provided with the external screw thread, just the bottom and the interior screw ring threaded connection of protective cover, conveniently open the protective cover fast and adjust.
The utility model has the beneficial effects that:
1. according to the utility model, through the arrangement of the rotating plate, the threaded hole, the first mounting hole and the second mounting hole, when the reverse water flow indicator is not mounted by accident, only the butterfly bolt is required to be unscrewed and the rotating plate is rotated by 180 degrees, so that the flow blocking blade, the action rod and the microswitch are rotated by 180 degrees to be aligned, the mounting direction is aligned, the indicator is not required to be dismounted and mounted again, and the operation efficiency is improved.
2. The utility model discloses a setting of sealing rubber piece, rotary drum, ring channel and sealing washer can play sealed effect, can also avoid rivers to spill over when not hindering rotation regulation.
Drawings
FIG. 1 is a front sectional view of a water flow indicator with a time delay function according to the present invention;
FIG. 2 is a partial perspective view of a water flow indicator with a time delay function according to the present invention;
fig. 3 is an enlarged view of a water flow indicator with a time delay function according to the present invention.
Illustration of the drawings:
1. a connecting member; 2. a flow blocking blade; 3. an action lever; 4. a fixing plate; 5. a rotating plate; 6. a protective cover; 7. applying a pressure head; 8. a microswitch; 9. a rotating drum; 10. sealing the rubber sheet; 11. mounting holes; 12. a flange plate; 13. an annular groove; 14. an annular seal; 15. a time delay; 16. an internal thread ring; 17. a butterfly bolt; 18. a threaded bore.
Detailed Description
As shown in fig. 1-3, a water flow indicator with a time delay function is provided, which includes a connecting member 1 and flange plates 12 at two ends of the connecting member 1, a fixing plate 4 is fixedly connected to a top end of the connecting member 1, a rotating plate 5 is arranged on an upper surface of the fixing plate 4, a flow blocking blade 2 is arranged inside the connecting member 1, an action rod 3 is fixed on a top end of the flow blocking blade 2, a rotating cylinder 9 is jointly arranged at middle positions of the fixing plate 4 and the rotating plate 5, the action rod 3 extends to a position above the rotating plate 5 through the rotating cylinder 9 and is fixed with a pressure applying head 7, a time delay 15 and a microswitch 8 are respectively arranged at two sides of the pressure applying head 7, and the action rod 3 is rotatably connected with an inner wall of the rotating cylinder 9.
The surface and the 5 fixed connection of rotor plate 9 of rotary drum, and the surface and the fixed plate 4 of rotary drum 9 rotate and be connected, be provided with the sealing washer between fixed plate 4 and the rotary drum 9, the upper and lower both ends of rotary drum 9 are the opening setting, the bottom mounting of rotary drum 9 has sealing rubber piece 10, sealing rubber piece 10 and action bars 3 sealing connection, two mounting holes 11 have been seted up on the surface of rotor plate 5, the screw hole 18 corresponding with two mounting holes 11 has been seted up on the surface of fixed plate 4, be connected with butterfly bolt 17 between mounting hole 11 and the screw hole 18.
The lower surface of rotor plate 5 is fixed with annular packing 14, and annular groove 13 has been seted up to the lower surface of fixed plate 4, and annular packing 14 is located the inside of annular groove 13, and the top of rotor plate 5 is provided with protective cover 6, and the upper surface of rotor plate 5 is fixed with internal thread circle 16, and the bottom surface of protective cover 6 is provided with the external screw thread, and the bottom and the 16 threaded connection of internal thread circle of protective cover 6.
When the backflow indicator is used, when the backflow indicator is installed unintentionally, the protective cover 6 is rotated to be separated from the inner thread ring 16, then the butterfly bolt 17 is rotated to be separated from the threaded hole 18, the rotating plate 5 is rotated by 180 degrees, so that the flow blocking blade 2, the action rod 3 and the microswitch 8 are rotated by 180 degrees to be aligned, and then the flow blocking blade is fixed with the threaded hole 18 through the butterfly bolt 17 again, so that the installation direction is aligned, the indicator does not need to be detached again to be installed again, and the operation efficiency is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a rivers indicator with time delay function, includes ring flange (12) at connecting piece (1) and connecting piece (1) both ends, its characterized in that: the top fixedly connected with fixed plate (4) of connecting piece (1), the upper surface of fixed plate (4) is provided with rotor plate (5), the inside of connecting piece (1) is provided with fender stream blade (2), the top of fender stream blade (2) is fixed with action bars (3), the middle part position of fixed plate (4) and rotor plate (5) is provided with rotary drum (9) jointly, action bars (3) pass rotary drum (9) and extend to the top of moving rotor plate (5) and are fixed with pressure applying head (7), and the both sides of pressure applying head (7) are provided with time delay ware (15) and micro-gap switch (8) respectively, action bars (3) rotate with the inner wall of rotary drum (9) and are connected.
2. A water flow indicator with time delay function as claimed in claim 1, wherein: the outer surface of the rotary drum (9) is fixedly connected with the rotating plate (5), the outer surface of the rotary drum (9) is rotatably connected with the fixed plate (4), and a sealing ring is arranged between the fixed plate (4) and the rotary drum (9).
3. A water flow indicator with time delay function as claimed in claim 1, wherein: the upper end and the lower end of the rotary drum (9) are provided with openings, a sealing rubber sheet (10) is fixed at the bottom end of the rotary drum (9), and the sealing rubber sheet (10) is connected with the action rod (3) in a sealing manner.
4. A water flow indicator with time delay function as claimed in claim 1, wherein: two mounting holes (11) are formed in the surface of the rotating plate (5), threaded holes (18) corresponding to the two mounting holes (11) are formed in the surface of the fixing plate (4), and butterfly bolts (17) are connected between the mounting holes (11) and the threaded holes (18).
5. A water flow indicator with time delay function as claimed in claim 1, wherein: an annular sealing gasket (14) is fixed on the lower surface of the rotating plate (5), an annular groove (13) is formed in the lower surface of the fixing plate (4), and the annular sealing gasket (14) is located inside the annular groove (13).
6. A water flow indicator with time delay function as claimed in claim 1, wherein: the top of rotor plate (5) is provided with protective cover (6), and rotor plate's (5) upper surface is fixed with interior screw ring (16).
7. A water flow indicator with time delay function as claimed in claim 6, wherein: the bottom surface of protective cover (6) is provided with the external screw thread, just the bottom and the interior thread circle (16) threaded connection of protective cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220387422.9U CN216963421U (en) | 2022-02-25 | 2022-02-25 | Water flow indicator with time delay function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220387422.9U CN216963421U (en) | 2022-02-25 | 2022-02-25 | Water flow indicator with time delay function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216963421U true CN216963421U (en) | 2022-07-15 |
Family
ID=82355715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220387422.9U Active CN216963421U (en) | 2022-02-25 | 2022-02-25 | Water flow indicator with time delay function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216963421U (en) |
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2022
- 2022-02-25 CN CN202220387422.9U patent/CN216963421U/en active Active
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