CN115143286B - Mechanical valve body for indoor fire hydrant - Google Patents
Mechanical valve body for indoor fire hydrant Download PDFInfo
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- CN115143286B CN115143286B CN202211064460.1A CN202211064460A CN115143286B CN 115143286 B CN115143286 B CN 115143286B CN 202211064460 A CN202211064460 A CN 202211064460A CN 115143286 B CN115143286 B CN 115143286B
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- 238000009434 installation Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 71
- 230000003068 static effect Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 241000876443 Varanus salvator Species 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000006855 networking Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0254—Construction of housing; Use of materials therefor of lift valves with conical shaped valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K39/00—Devices for relieving the pressure on the sealing faces
- F16K39/02—Devices for relieving the pressure on the sealing faces for lift valves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention provides a special mechanical valve body for an indoor fire hydrant, which is matched with an actuating mechanism for use, wherein the mechanical valve body comprises a valve shell assembly, a valve cover and a valve seat, wherein the valve shell assembly comprises a valve body, and the valve cover and the valve seat are assembled on the valve body; the valve core assembly is assembled in the valve shell assembly and comprises a lead screw component arranged along an axis B and a piston component arranged on the lead screw component; the shaft nut sleeve is assembled in an installation cavity on the valve shell assembly, and an internal thread matched with the external thread of the driving section of the lead screw component is arranged on the shaft nut sleeve; the supporting platform is used for realizing the connection between the actuating mechanism and the mechanical valve body; the invention carries out remote real-time monitoring on an indoor fire hydrant system, collects and sends information in time, ensures that the equipment is in a standby state at all times, realizes networking advanced functions such as easy and quick opening and closing, accurate intelligent control and the like when the equipment is carried out, provides a necessary hardware foundation, and improves the maintenance and inspection efficiency of the fire hydrant.
Description
Technical Field
The invention relates to the technical field of valve bodies, in particular to a mechanical valve body for an indoor fire hydrant.
Background
The indoor fire hydrant is an important component in a fire water system, is an interface with a valve for supplying water to a fire scene by an indoor pipe network, can be used as indoor fixed fire-fighting equipment such as a factory, a warehouse, a high-rise building, a ship and the like, is usually installed in a fire hydrant box, and is matched with equipment such as a fire hose, a water gun and the like for use. The existing national standard indoor fire hydrant is generally summarized and basically divided into two types, namely a straight-through type (no pressure reduction and pressure stabilization, the main type is represented by SN 65), and a pressure reduction and stabilization type (three different pressure spring pressure reduction and stabilization devices still reduce pressure greatly when the pressure is low, and the main type is represented by SNW 65).
Most of the existing valve body adjustment is completed by manpower, and the existing valve body cannot be matched with automatic equipment such as an actuating mechanism and the like for use, so that the requirement of modern intelligent fire extinguishing cannot be met.
Disclosure of Invention
The invention provides a mechanical valve body for an indoor fire hydrant, aiming at accurately adjusting water pressure.
The technical scheme is as follows: the utility model provides an indoor fire hydrant is with mechanical valve body, uses with actuating mechanism cooperation, mechanical valve body includes:
the valve shell assembly comprises a valve body, a valve cover and a valve seat, wherein the valve cover and the valve seat are assembled on the valve body;
a valve core assembly mounted within the valve housing assembly, the valve core assembly including a lead screw component disposed along an axis B and a piston component mounted on the lead screw component;
the shaft nut sleeve is assembled in an installation cavity on the valve shell assembly, and an internal thread matched with the external thread of the driving section of the lead screw component is arranged on the shaft nut sleeve;
the supporting platform is used for realizing the connection between the actuating mechanism and the mechanical valve body;
and one end of the connecting part is connected with the output end of the actuating mechanism, a channel for inserting the extending section of the screw rod part is formed in the connecting part, and the extending section of the screw rod part linearly slides along the channel while the screw rod part rotates along with the connecting part.
As a preferable technical solution, the cross section of the extension section of the screw component is a regular polygon.
As a preferred technical solution, the supporting platform includes an upper platform and a lower platform respectively mounted on the actuating mechanism and the mechanical valve body, and a connecting plate connecting the upper platform and the lower platform.
As a preferred technical solution, the mechanical valve body further includes a water pressure detection assembly.
As a preferred technical solution, the water pressure detecting assembly includes a mechanical pointer type pressure gauge and a pressure sensor which are arranged at a position of the storage cavity in the valve cover, and an overflow assembly which guides fire water into the storage cavity, and static and dynamic water pressures of the fire water in the storage cavity are monitored through the mechanical pointer type pressure gauge and the pressure sensor.
As a preferred technical scheme, the overflowing assembly comprises a first flow passage arranged in the lead screw component along the axis B and a second flow passage arranged in the base body component, and the lead screw component is provided with a water tank communicated with the first flow passage.
As a preferred technical scheme, the lead screw part is provided with a sealing groove body at the upper position and the lower position of the water tank.
As a preferred technical scheme, a rotating bearing is arranged between the valve body and the valve seat.
As a preferable technical scheme, the piston part is provided with a balance groove.
Has the beneficial effects that:
1. the pressure sensor arranged on the valve cover can convey the filled pressure water in a fire pipeline water system to the pressure value real-time data of the indoor fire hydrant bolt port in a stop static state, the pressure value real-time data are transmitted to the system transportation and management platform through electrical and program signals, the platform can also be synchronously transmitted to terminal equipment of a superior supervisor, a department or a user in an internet of things mode, the mechanism realizes remote real-time monitoring of the indoor fire hydrant system, information is collected and transmitted in time as basic hardware, related personnel can know one of important hardware which can realize the performance index conditions of the system equipment anytime and anywhere, the equipment is ensured to be in a normal working state capable of being ready for war and being against war constantly, and the best effect of preventing the fire in the bud is achieved.
2. The valve cover upper part mechanical pointer type pressure meter and the water pressure detection assembly can display static and dynamic pressure change condition numerical values in real time under the coordination of other components, and the pressure sensor and the pressure meter are positioned in the same water channel, and index change is performed synchronously; the mechanical pointer type pressure gauge constantly displays real-time pressure value data when the filled pressure water in a fire pipeline water system is sent to an indoor fire hydrant bolt port and is in a stopping static state without telecommunication power, and the lightening type humanized viewpoint of the mechanical pointer type pressure gauge is easy to attract people to pay attention to the fire hydrant, and meanwhile, the mechanical pointer type pressure gauge can stimulate people to learn and pay attention to related fire fighting knowledge more actively, so that good safety consciousness and escape self-rescue skills are formed; the condition that the water pressure in an indoor fire hydrant system is monitored in the prior art is changed, usually, a valve cover is opened periodically to check whether water exists in the fire hydrant, or a monitoring device is arranged at the positions of a fire pool and a high-level water tank to monitor the storage amount of water in a fire pipeline so as to cause low checking efficiency.
3. The supporting platform is a hard structural device foundation for realizing remote control electromotion, internet of things and integration of equipment; the device is an important accessory for realizing the assembly of a mechanical valve body and an actuating mechanism, and the arrangement of a first flow passage at the bottom end of a lead screw component and the upper end of the lead screw component is directly communicated, so that the uninterrupted display of pressure indexes of media and fluid is ensured when the system fluid is stopped statically and the fire extinguishing water jetting is dynamic, and the continuity and the stability of application data transmission are ensured.
4. Through setting up conical piston part, can realize the gradual change formula regulation of fire control water pressure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an overall cross-sectional view of an embodiment of the present invention;
FIG. 2 is an overall perspective view of an embodiment of the present invention;
FIG. 3 is a sectional view showing the connection position of the connecting member with the screw member and the actuator according to the present invention;
FIG. 4 is an enlarged view at A in FIG. 1;
FIG. 5 is a schematic view of the valve housing assembly of the present invention;
FIG. 6 is a first schematic view of a screw assembly according to an embodiment of the present invention;
FIG. 7 is a second schematic structural view of a screw member according to an embodiment of the present invention;
FIG. 8 is a schematic view of an actuator according to an embodiment of the present invention;
FIG. 9 is a schematic view of an assembly structure of an actuator and a valve body in the embodiment of the invention.
Reference numerals: 100. a valve housing assembly; 101. a valve cover; 101a, a mounting cavity; 102. a valve body; 102a, a water inlet; 102b and a water outlet; 103. a valve seat; 104. a shaft nut sleeve; 200. a valve core assembly; 201. a lead screw member; 202. a main body section; 202a, a driving section; 202b, an installation section; 203. an extension section; 204. a piston member; 204a, a large cross-section end; 204b, small cross-section end; 204c, a balance groove; 300. a support platform; 301. an upper plate body; 302. a lower plate body; 303. a connecting plate; 304. a connecting member; 304a, a channel; 400. a water pressure detection assembly; 401. a first flow passage; 402. a second flow passage; 403. a water tank; 404. a mechanical pointer type pressure gauge 405 and a pressure sensor; 406. a base member; 500. a rotating bearing; 600. round head screw.
Detailed Description
The present invention will be more readily understood by reference to the following detailed description of preferred embodiments of the invention and the examples included therein. Unless defined otherwise, 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. In case of conflict, the present specification, including definitions, will control.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 7, a mechanical valve body for an intelligent indoor hydrant (hereinafter referred to as a mechanical valve body) is used in cooperation with an actuator, the actuator may be a device capable of providing a rotational motion, referring to fig. 8, a structural schematic diagram of the actuator is that the actuator drives the mechanical valve body to move, and the mechanical valve body main body is composed of a valve housing assembly 100 and a valve core assembly 200, wherein the valve core assembly 200 is disposed in an internal cavity of the valve housing assembly 100 and is used for controlling the on-off of the mechanical valve body, specifically, the valve housing assembly 100 includes a valve body 102, and a valve cover 101 and a valve seat 103 assembled on the valve body 102, the valve body 102 is provided with a water inlet 102a and a water outlet 102b communicated with the internal cavity, the water inlet 102a and the water outlet 102b are designed at 90 °, and the water inlet 102a is disposed at a position of the valve seat 103, fire water flows into the internal cavity of the valve body 102 through the water inlet 102a and finally flows out of the water outlet 102 b.
Referring to fig. 1, a valve core assembly 200 main body is composed of a screw rod component 201 and a piston component 204 mounted on the screw rod component 201, wherein the screw rod component 201 extends substantially along an axis B, the screw rod component 201 includes a main body section 202 and an extension section 203, wherein the main body section 202 is disposed in the valve housing assembly 100, the extension section 203 extends from the top end of the main body section 202 along the axis B to the outside of the valve housing assembly 100 for connecting an actuator with the screw rod component 201, that is, the screw rod component 201 uses the extension section 203 thereof as a connection carrier with the actuator to realize power transmission between the actuator and the screw rod component 201, specifically, the main body section 202 main body is composed of a driving section 202a and a mounting section 202B, wherein the mounting section 202B is provided with the piston component 204, the driving section 202a is located in a mounting cavity 101a in the valve cover 101, an external thread is provided on the outer surface of the driving section 202a, correspondingly, a shaft nut sleeve 104 is provided on the mounting cavity 101a, the shaft nut 104 is provided with an internal thread adapted to the driving section 202a, when the actuator rotates under the driving of the actuator, the valve housing, the mounting section 202a coaxial with the external thread, the piston component 202B performs a linear motion along the axis B, and the piston component 201 performs a linear motion along the axis B, and the linear motion of the screw rod component 201, and the piston component 201.
Specifically, the piston member 204 is integrally in the shape of an inverted truncated cone and has a large-section end 204a and a small-section end 204b, when the mechanical valve body is in a closed state, the piston member 204 moves to the lowest point, the circumferential outer surface of the large-section end 204a of the piston member 204 contacts with the inner surface of the water inlet 102a of the valve housing assembly 100 and blocks the water inlet 102a, an opening appears between the outer surface of the piston member 204 and the inner surface of the water inlet 102a along with the rising position of the piston member 204, fire water enters a cavity in the valve body 102 from the opening and finally flows out through the water outlet 102b, and the opening gradually increases along with the rising of the piston member, and correspondingly, the flow rate of the mechanical valve body also gradually increases.
Further, the mechanical valve body further includes a supporting platform 300 mounted on the bonnet 101, for assembling the actuator with the mechanical valve body, referring to fig. 9, which is a schematic structural diagram of the actuator and the mechanical valve body after being assembled, specifically, the supporting frame main body is composed of an upper plate 301, a lower plate 302 and a connecting plate 303 for connecting the upper plate 301 and the lower plate 302, wherein the upper plate 301 is fixed on the actuator, the lower plate 302 is fixed on the bonnet 101 of the mechanical valve body, the actuator and the mechanical valve body are assembled by the supporting platform 300, and the supporting platform 300 further includes a connecting part 304 disposed along an axis B, the connecting part 304 is provided with a channel 304a along the axis, the cross section of the channel 304a is matched with the cross section of the extending section 203 of the screw rod part 201, that is, the extension section 203 of the screw member 201 can be inserted into the channel 304a in the connecting member 304, preferably, the cross section is a regular hexagon, that is, the cross section of the extension section 203 is a regular hexagon, further preferably, the channel is a stepped channel, and the top end of the connecting member 304 is connected with the output end of the actuator, when in use, the connecting member 304 is driven by the actuator to rotate, and further, the screw member 201 is driven to rotate, the screw member 201 rotates and simultaneously carries out linear motion along the axis B, and the extension section 203 of the screw member 201 goes up and down in the channel 304a in the connecting member 304 along with the rotation, so that the assembly between the mechanical valve body and the actuator and the power transmission between the actuator and the screw member 201 are realized.
Further, still be equipped with water pressure detection subassembly 400 on this mechanical valve body for carry out real-time supervision to static pressure and dynamic pressure among the fire extinguishing system, concretely, this water pressure detection subassembly 400 is including overflowing the subassembly and installing mechanical pointer type manometer 404 and pressure sensor 405 on valve gap 101, and be equipped with fire water storage cavity on the valve gap 101, this storage cavity is linked together with mechanical pointer type manometer 404 and pressure sensor 405, fire water among the fire extinguishing system gets into storage cavity through overflowing the subassembly, carry out real-time supervision to water pressure with the help of mechanical pointer type manometer 404 and pressure sensor 405, wherein mechanical pointer type manometer 404 looks over water pressure when being used for fire fighter to regularly patrol and examine, pressure sensor 405 is arranged in gathering water pressure information and transmitting data transmission to the fire extinguishing system, make things convenient for fire fighter to carry out real-time supervision.
Specifically, the through-hole assembly includes a first flow channel 401 disposed along an axis of the screw member 201, the screw member 201 is provided with a water channel 403 communicated with the first flow channel 401, further, a seat member 406 is disposed in the installation cavity 101a in the valve cover 101, the seat member 406 is substantially cylindrical, an outer wall of the seat member 406 is attached to an inner wall of the installation cavity 101a in the valve cover 101, a middle upper portion of the inner wall is attached to an outer wall of the main body section 202 of the screw member 201, a middle lower portion of the inner wall is spaced from the outer wall of the screw member 201 by a certain distance, further, a second flow channel 402 is disposed in the seat member 406, one end of the second flow channel 402 is communicated with the storage cavity, and the other end extends to an inner surface of the seat member 406.
When the mechanical valve body is in a closed state, the water tank 403 on the screw rod part 201 is located at the position of the second flow channel 402, static fire-fighting water in the system sequentially flows into the first flow channel 401, the water tank 403 and the second flow channel 402 and finally enters the storage cavity, static water pressure is monitored through the mechanical pointer type pressure gauge and the pressure sensor 405 installed at the position of the storage cavity, fire-fighting water is guaranteed to exist in the fire-fighting pipeline all the time, the supply requirement of the fire-fighting water during rescue operation is guaranteed, when the mechanical valve body is in an operating state, after the screw rod part 201 rises for a certain distance, dynamic fire-fighting water flows into the second flow channel 402 from a gap between the base body part 406 and the screw rod part 201 and enters the storage cavity, and dynamic water pressure is monitored through the mechanical pointer type pressure gauge and the pressure sensor 405 installed at the position of the storage cavity.
Further, the screw member 201 is provided with a seal groove at a position above and below the water groove 403, and the seal ring is mounted in the seal groove, so that the sealing property of the contact position of the screw member 201 and the seat member 406 can be improved.
A rotating bearing 500 is arranged between the valve body 102 and the valve seat 103, the top end of the rotating bearing 500 is fixed on the valve body 102 through a rivet, and the bottom end of the rotating bearing 500 is fixed on the valve seat 103 through a rivet. When in actual fire extinguishing, the position of the ignition point is not fixed, in order to ensure the water pressure, the orientation of the opening on the valve body 102 needs to be opposite to the position of the ignition point, and the change of the orientation of the opening on the valve body 102 can be completed only by rotating the valve body 102, wherein the valve seat 103 is provided with a channel 304a, and the channel 304a is inserted into a fixing mechanism inside the channel through a fixing ejector pin to form fixed matching.
Further, the piston member 204 is provided with three balance grooves 204c for balancing the moment of the valve rod, and the three balance grooves 204c are uniformly distributed on the periphery of the piston member. When the valve rod is rotated, the valve rod moves upwards while rotating, water flows from the valve seat 103 to the valve body 102, the flow direction of the water generates a lateral impact force on the valve rod because the water flows to the opening of the valve body 102, and the valve rod is harder to rotate continuously; the balance groove 204c is used for balancing the lateral impact force generated by water flow, so that the valve rod can be rotated conveniently; and because the piston part is the toper, along with the rising of piston part, the aperture between piston part and the valve seat 103 increases gradually, realizes the fine control to rivers.
Further, the bottom end of the valve rod is connected with a round-head screw 600 in a threaded mode, and meanwhile a through hole communicated with the first flow channel 401 is formed in the round-head screw 600.
The foregoing examples are merely illustrative and serve to explain some of the features of the method of the present invention. The appended claims are intended to claim as broad a scope as is contemplated, and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the invention. Also, where numerical ranges are used in the claims, subranges therein are included, and variations in these ranges are also to be construed as possible being covered by the appended claims.
Claims (4)
1. The utility model provides an indoor fire hydrant uses mechanical valve body, this mechanical valve body uses with actuating mechanism cooperation, its characterized in that: the mechanical valve body includes:
the valve shell assembly comprises a valve body, a valve cover and a valve seat, wherein the valve cover and the valve seat are assembled on the valve body;
the valve core assembly is arranged in the valve shell assembly and comprises a screw rod component arranged along an axis B and a piston component arranged on the screw rod component, a balance groove is formed in the piston component, the piston component is integrally in an inverted truncated cone shape and provided with a large section end and a small section end, when the mechanical valve body is in a closed state, the piston component moves to the lowest point, the circumferential outer surface of the large section end of the piston component is in contact with the inner surface of a water inlet of the valve shell assembly and blocks the water inlet, an opening is formed between the outer surface of the piston component and the inner surface of the water inlet along with the rising of the position of the piston component, fire water enters a cavity in the valve body from the opening and finally flows out through the water outlet;
the shaft nut sleeve is assembled in an installation cavity on the valve shell assembly, and an internal thread matched with the external thread of the driving section of the lead screw component is arranged on the shaft nut sleeve;
the supporting platform is used for realizing the connection between the actuating mechanism and the mechanical valve body and comprises an upper plate body and a lower plate body which are respectively arranged on the actuating mechanism and the mechanical valve body and a connecting plate for connecting the upper plate body and the lower plate body;
one end of the connecting component is connected with the output end of the actuating mechanism, a channel for inserting the extending section of the screw rod component is formed in the connecting component, and the extending section of the screw rod component linearly slides along the channel while the screw rod component rotates along with the connecting component so as to realize the up-and-down movement of the piston component;
mechanical valve body still includes water pressure detection subassembly, water pressure detection subassembly including set up in the mechanical pointer type manometer and the pressure sensor of storage cavity position in the valve gap and with fire water guide extremely overflow assembly in the storage cavity is right through mechanical pointer type manometer and pressure sensor static and dynamic water pressure of fire water monitors and transmits outside monitor terminal in the storage cavity.
2. A mechanical valve body for an indoor fire hydrant according to claim 1, wherein: the cross section of the extension section of the screw rod component is a regular polygon.
3. A mechanical valve body for an indoor fire hydrant according to claim 1, wherein: the overflowing assembly comprises a first flow channel and a second flow channel, the first flow channel is arranged in the lead screw component along the axis B, the second flow channel is arranged in the base body component, and a water groove communicated with the first flow channel is formed in the outer circumferential surface of the lead screw component.
4. A mechanical valve body for an indoor fire hydrant according to claim 3, wherein: the lead screw part is provided with a sealing groove body at the upper position and the lower position of the water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211064460.1A CN115143286B (en) | 2022-09-01 | 2022-09-01 | Mechanical valve body for indoor fire hydrant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211064460.1A CN115143286B (en) | 2022-09-01 | 2022-09-01 | Mechanical valve body for indoor fire hydrant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115143286A CN115143286A (en) | 2022-10-04 |
| CN115143286B true CN115143286B (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211064460.1A Active CN115143286B (en) | 2022-09-01 | 2022-09-01 | Mechanical valve body for indoor fire hydrant |
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| Country | Link |
|---|---|
| CN (1) | CN115143286B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761655A (en) * | 2009-11-20 | 2010-06-30 | 卓旦春 | Flow control fire protection valve |
| CN202802617U (en) * | 2012-06-01 | 2013-03-20 | 江苏龙力神精工科技有限公司 | Voltage stabilizer for indoor fire hydrant |
| CN202851991U (en) * | 2012-10-29 | 2013-04-03 | 施尧尧 | Novel fire valve |
| KR20170124786A (en) * | 2016-05-03 | 2017-11-13 | 주식회사 우당기술산업 | Alarm valve |
| CN208975052U (en) * | 2018-08-03 | 2019-06-14 | 福建海鲸消防有限公司 | Indoor fire hydrant |
-
2022
- 2022-09-01 CN CN202211064460.1A patent/CN115143286B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761655A (en) * | 2009-11-20 | 2010-06-30 | 卓旦春 | Flow control fire protection valve |
| CN202802617U (en) * | 2012-06-01 | 2013-03-20 | 江苏龙力神精工科技有限公司 | Voltage stabilizer for indoor fire hydrant |
| CN202851991U (en) * | 2012-10-29 | 2013-04-03 | 施尧尧 | Novel fire valve |
| KR20170124786A (en) * | 2016-05-03 | 2017-11-13 | 주식회사 우당기술산업 | Alarm valve |
| CN208975052U (en) * | 2018-08-03 | 2019-06-14 | 福建海鲸消防有限公司 | Indoor fire hydrant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115143286A (en) | 2022-10-04 |
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Effective date of registration: 20231026 Address after: No. 5 Liuzhou Road, High tech Industrial Park, Changshu Economic and Technological Development Zone, Suzhou City, Jiangsu Province, 215500 Patentee after: Longlishen Fire Equipment Technology (Jiangsu) Co.,Ltd. Address before: Huachuanbang Road, Yushan Town, Changshu City, Suzhou City, Jiangsu Province, 215500 Patentee before: Jiangsu Longlishen Security Equipment Technology Co.,Ltd. |
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