CN217278445U

CN217278445U - Ventilation equipment wind speed detection device for fire control

Info

Publication number: CN217278445U
Application number: CN202220013706.1U
Authority: CN
Inventors: 李立威
Original assignee: Beijing Huaxin Hengtai Construction Engineering Co ltd
Current assignee: Beijing Huaxin Hengtai Construction Engineering Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-08-23
Anticipated expiration: 2032-01-05

Abstract

The application provides a ventilation equipment wind speed detection device for fire control belongs to the fire-fighting equipment field. The wind speed detection device of the fire-fighting ventilation equipment comprises a detection mechanism and a disassembly and assembly mechanism, wherein the detection mechanism comprises a ventilation pipe, a cylinder body and an elastic piece, the cylinder body is movably arranged on the top of the ventilation pipe, the top of the piston is provided with a vertical rod, one side of the top of the cylinder body is provided with a graduated scale, the top of the vertical rod is provided with a pointer which is horizontally aligned with the graduated scale, the opening is arranged on the piston, the opening can be used for the top of the elastic element to be inserted, the ejector rods penetrate through the piston in a sliding manner, the ejector rods are symmetrically arranged relative to the opening, one opposite ends of the two ejector rods extend into the opening and are connected with clamping plates, the driving piece is arranged in the piston and is in transmission connection with the ejector rod, this ventilation equipment wind speed detection device for fire control is convenient for carry out the wind speed and detects, and is convenient for change the internal elastic component of jar.

Description

Ventilation equipment wind speed detection device for fire control

Technical Field

The application relates to the field of fire fighting equipment, in particular to a wind speed detection device of ventilation equipment for fire fighting.

Background

Ventilation, also known as air exchange, is the process of feeding sufficient fresh air into the room space mechanically or naturally, and simultaneously discharging the dirty air which is not in compliance with the sanitary requirements, so that the indoor air meets the sanitary requirements and the requirements of the production process. The facilities for completing ventilation work in buildings are collectively called as ventilation equipment. The ventilation equipment is divided into a row fan, a ventilator, a fan and the like, and is divided into two types of industrial use and household use, and the fan is divided into high pressure, medium pressure, low pressure and negative pressure.

When the existing wind speed detection device for ventilation equipment is used for detection operation, a cylinder body is communicated with the top of a ventilation pipe, a piston is arranged in the cylinder body in a sealing sliding mode, when the ventilation pipe is used for ventilation operation, air enters from one end inside the ventilation pipe, air exits from the other end inside the ventilation pipe, so that the piston in the cylinder body is subjected to suction force (namely negative pressure is generated in the cylinder body), the piston slides downwards in the cylinder body, the wind speed of the ventilation equipment can be known through the distance for the piston to move downwards, in the process, the bottom of the piston is connected with a spring or an elastic part for elastic expansion, when the wind speed detection device for ventilation equipment works for a long time, the piston moves upwards and downwards to drive the elastic part or the spring connected with the piston to expand and contract, the elastic performance of the elastic part or the spring is reduced in the long term, the existing cylinder body is generally welded on the ventilation pipe, when the cylinder body is not easy to disassemble, and then the elastic component or the spring that leads to the piston to be connected in the cylinder body is difficult for dismantling, therefore has certain limitation.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above deficiencies, the present application provides a wind speed detection device for a fire protection ventilation equipment, aiming to improve the above proposed problems.

The embodiment of the application provides a fire-fighting ventilation equipment wind speed detection device, including detection mechanism and dismouting mechanism, detection mechanism includes ventilation pipe, cylinder body and elastic component, cylinder body movable mounting in the ventilation pipe top, be provided with on the ventilation pipe with the opening of cylinder body intercommunication, the sealed slip of cylinder body is provided with the piston, the piston top is provided with the montant, cylinder body top one side is provided with the scale, the montant top be provided with the pointer that the scale level aligns, elastic component movable mounting in the piston bottom with between the ventilation pipe top, dismouting mechanism includes opening, ejector pin and driving piece, the opening sets up in on the piston, the opening can supply the elastic component top is pegged graft, the ejector pin slides and runs through in the piston, the ejector pin about the opening symmetry sets up, two the relative one end of ejector pin all stretches into just is connected with splint in the opening, the driving piece set up in inside the piston, the driving piece with the ejector pin transmission is connected.

In the implementation process, when the ventilation equipment detects the wind speed, one end of the ventilation pipe is connected with the ventilation equipment, when the ventilation equipment is started, ventilation operation is carried out in the ventilation pipe, namely, one end of the ventilation pipe, far away from the ventilation equipment, starts air inlet, and one end of the ventilation pipe, close to the ventilation equipment, carries out air outlet operation, negative pressure is generated in the cylinder body through air flowing in the ventilation pipe and setting of the position of a through hole, at the moment, the piston moves downwards to drive the elastic part to compress, meanwhile, the pointer above the piston also moves downwards along with the piston, the pointer horizontally aligns with the scale to observe the moving distance of the piston, so that the size of the wind speed is judged, when the elastic part is used for a long time and needs to be replaced, the cylinder body is movably arranged at the top of the ventilation pipe, so that the cylinder body is taken down, the top of the elastic part is located in the notch at first, and the ejector rod slides through the piston, the driving piece is connected with the ejector pin transmission, so the ejector pin passes through the start-up of driving piece to lateral shifting, two ejector pins are close to so that carry out the centre gripping fixed to the elastic component in the opening mutually, when the elastic component is dismantled to needs, reverse start-up driving piece, so that two symmetrical ejector pins keep away from mutually, so that make the elastic component break away from the opening, thereby so that the subsequent change process of elastic component.

In a specific embodiment, the top of the ventilation pipe is provided with a circular ring body, the top of the circular ring body is provided with a thread groove, and the outer wall of the bottom of the cylinder body is in threaded installation in the thread groove.

In the above-mentioned realization process, through the setting of cylinder body bottom outer wall screw thread installation in the thread groove, when the cylinder body was dismantled, the spiral upwards rotation cylinder body, can make the cylinder body break away from the thread groove, through the settlement of ring body and thread groove position, when the cylinder body installation back, the difficult gap between cylinder body and the ventilation pipe of following of the intraoral air of through-hole flows away.

In a specific embodiment, the driving piece includes installation cavity, screw rod, riser and rotating member, the installation cavity set up in inside the piston, the screw rod rotate install in the installation cavity, the riser slide set up in the installation cavity, the riser with the screw rod screw thread cup joints, ejector pin one end slide run through to in the installation cavity and with the riser links to each other, the rotating member with the screw rod transmission is connected.

In the above-mentioned realization process, because the screw rod rotates and installs in the installation cavity, the rotating member is connected with screw rod transmission, so start the rotating member and can drive the screw rod and rotate, because the riser slides and sets up in the installation cavity, the riser cup joints with the screw rod screw thread, so the screw rod rotates and can drive riser lateral shifting, and then makes ejector pin lateral shifting, through the lateral shifting of the splint that the ejector pin is connected to so that accomplish the clamping process of elastic component.

In a specific implementation scheme, the rotating member includes a rotating rod, a first helical gear and a second helical gear, the rotating rod is disposed at the bottom of the piston, one end of the rotating rod penetrates through the installation cavity and is connected with the first helical gear, the second helical gear is fixedly sleeved on the screw rod, and the second helical gear is meshed with the first helical gear.

In the implementation process, the rotating rod drives the first bevel gear at the top of the rotating rod to rotate, and then drives the screw rod on the inner side of the second bevel gear to rotate, and the design is convenient for driving the screw rod to rotate at the bottom of the piston.

In a specific embodiment, a bearing is arranged inside the piston and corresponding to the outside of the rotating rod, and the outer ring of the rotating rod is fixed with the inner ring of the bearing.

In the implementation process, the outer ring of the rotating rod and the inner ring of the bearing are fixed, so that the stability of the rotating rod in the rotation of the piston is improved.

In a specific embodiment, a limiting rod is fixedly arranged in the mounting cavity, and the vertical plate is sleeved on the limiting rod in a sliding manner.

In the implementation process, the screw rotates to easily bring the trend that the vertical plate outside the screw rotates, and the screw is sleeved on the limiting rod in a sliding mode through the vertical plate, so that the vertical plate can only move transversely.

In a specific embodiment, the bottom of the rotating rod is provided with a rotating hand.

In the implementation process, the rotating hand is arranged so as to rotate the rotating rod.

In a specific embodiment, the elastic member comprises a sleeve and an inner rod, the sleeve is slidably sleeved on the inner rod, and the inner wall of the sleeve is connected with the outer wall of the inner rod through a spring.

In the implementation process, the sleeve is sleeved on the inner rod in a sliding manner, so that the elastic piece can only vertically stretch out and draw back, and the piston connected with the elastic piece can better slide in the cylinder body.

In a specific embodiment, the top of the ventilation pipe is located inside the cylinder body, a circular groove is formed in the cylinder body, and balls are movably mounted at the bottom of the inner rod and are movably arranged in the circular groove.

At above-mentioned realization in-process, when reinstallating after the cylinder body is dismantled, because the setting of thread groove to make the cylinder body need the spiral to be installed in the thread groove, the elastic component after the cylinder body fixed this moment can rotate equally, set up in through the ball activity in design in the ring groove, when the elastic component is rotatory, the ball of elastic component bottom will be round the ring groove activity, and the elastic component produces the conflict and is difficult for the installation when the design is in order to avoid the cylinder body spiral to rotate this moment.

In a specific embodiment, the clamping plate is of an arc-shaped structure, and a rubber pad is arranged on the inner arc surface of the clamping plate.

In the above implementation process, the clamping plate is of an arc structure, so that the inner arc surface of the clamping plate contacts the elastic piece, and the rubber pad has anti-skid property, so that the friction force during contact is increased.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a wind speed detection device of a fire protection ventilation equipment according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a detection mechanism provided in an embodiment of the present application;

FIG. 3 is a cross-sectional view of a portion of the structure of FIG. 2 in accordance with an embodiment of the present disclosure;

FIG. 4 is a top view of a torus provided by embodiments of the present application;

FIG. 5 is an enlarged view of A in FIG. 2 provided by an embodiment of the present application;

FIG. 6 is a schematic structural diagram of a rotating member provided in an embodiment of the present application;

fig. 7 is a top view of one of the cleats of fig. 5 provided in accordance with an embodiment of the present application.

In the figure: 100-a detection mechanism; 110-a vent tube; 111-through port; 112-torus; 1121-thread groove; 113-a circular groove; 120-cylinder body; 121-a piston; 122-a vertical rod; 123-graduated scale; 124-pointer; 130-an elastic member; 131-a sleeve; 132-an inner rod; 1321-a ball; 200-a disassembly and assembly mechanism; 210-a gap; 220-a top rod; 221-clamping plate; 230-a driver; 231-a mounting cavity; 2311-a limiting rod; 232-screw rod; 233-vertical plate; 234-a rotating member; 2341-rotating rod; 2342 — first helical gear; 2343-second beveled gear.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.

Referring to fig. 1-7, the present application provides a wind speed detection device for a fire protection ventilation device, comprising a detection mechanism 100 and a disassembly and assembly mechanism 200, wherein the detection mechanism 100 comprises a ventilation tube 110, a cylinder 120 and an elastic member 130, the cylinder 120 is movably mounted on the top of the ventilation tube 110, the ventilation tube 110 is provided with a through port 111 communicated with the cylinder 120, the cylinder 120 is internally provided with a piston 121 in a sealing and sliding manner, the top of the piston 121 is provided with a vertical rod 122, one side of the top of the cylinder 120 is provided with a graduated scale 123, the top of the vertical rod 122 is provided with a pointer 124 horizontally aligned with the graduated scale 123, the elastic member 130 is movably mounted between the bottom of the piston 121 and the top of the ventilation tube 110, the disassembly and assembly mechanism 200 comprises a gap 210, a push rod 220 and a driving member 230, the gap 210 is arranged on the piston 121, the gap 210 can be inserted into the top of the elastic member 130, the push rod 220 is slidably penetrated through the piston 121, the push rod 220 is symmetrically arranged about the gap 210, the opposite ends of the two push rods 220 extend into the gap 210 and are connected with clamping plates 221, the driving parts 230 are arranged inside the pistons 121, and the driving parts 230 are in transmission connection with the push rods 220.

In some specific embodiments, the top of the ventilation pipe 110 is provided with the circular ring body 112, the top of the circular ring body 112 is provided with the threaded groove 1121, the outer wall of the bottom of the cylinder 120 is threadedly mounted on the threaded groove 1121, through the arrangement that the outer wall of the bottom of the cylinder 120 is threadedly mounted on the threaded groove 1121, when the cylinder 120 is disassembled, the cylinder 120 is screwed upwards, so that the cylinder 120 can be separated from the threaded groove 1121, and through the setting of the positions of the circular ring body 112 and the threaded groove 1121, after the cylinder 120 is assembled, air in the through hole 111 is not easy to flow away from a gap between the cylinder 120 and the ventilation pipe 110.

In some specific embodiments, the driving member 230 includes a mounting cavity 231, a screw 232, a vertical plate 233 and a rotating member 234, the mounting cavity 231 is disposed inside the piston 121, the screw 232 is rotatably mounted in the mounting cavity 231, the vertical plate 233 is slidably disposed in the mounting cavity 231, the vertical plate 233 is in threaded connection with the screw 232, one end of the rod 220 slidably penetrates into the mounting cavity 231 and is connected with the vertical plate 233, the rotating member 234 is in transmission connection with the screw 232, because the screw 232 is rotatably mounted in the mounting cavity 231, the rotating member 234 is drivingly connected with the screw 232, therefore, the screw 232 can be driven to rotate by starting the rotating member 234, because the vertical plate 233 is slidably disposed in the mounting cavity 231, the vertical plate 233 is in threaded connection with the screw 232, therefore, the rotation of the screw 232 drives the vertical plate 233 to move laterally, so that the top rod 220 moves laterally, the clamping process of the elastic member 130 is completed by the lateral movement of the clamping plate 221 to which the push rod 220 is coupled.

In some specific embodiments, the rotating member 234 includes a rotating rod 2341, a first helical gear 2342 and a second helical gear 2343, the rotating rod 2341 is disposed at the bottom of the piston 121, one end of the rotating rod 2341 penetrates into the mounting cavity 231 and is connected to the first helical gear 2342, the second helical gear 2343 is fixedly sleeved on the threaded rod 232, the second helical gear 2343 is in meshed connection with the first helical gear 2342, and the rotating rod 2341 drives the first helical gear 2342 at the top of the rotating rod 2341 to rotate, so as to drive the threaded rod 232 inside the second helical gear 2343 to rotate, which is designed to drive the threaded rod 232 to rotate at the bottom of the piston 121.

In some specific embodiments, a bearing is disposed inside the piston 121 and outside the corresponding rotation rod 2341, and an outer ring of the rotation rod 2341 is fixed to an inner ring of the bearing, and the outer ring of the rotation rod 2341 is fixed to the inner ring of the bearing, so as to improve stability of the rotation rod 2341 when rotating in the piston 121.

In some specific embodiments, a limiting rod 2311 is fixedly arranged in the installation cavity 231, the vertical plate 233 is slidably sleeved on the limiting rod 2311, and due to the tendency that the screw 232 rotates the vertical plate 233 which easily brings the outer part of the screw to rotate, the vertical plate 233 is slidably sleeved on the limiting rod 2311, so that the vertical plate 233 can only move transversely.

In some embodiments, the bottom of the rotating rod 2341 is provided with a rotating hand, and the rotating hand is arranged to rotate the rotating rod 2341.

In some specific embodiments, the elastic member 130 includes a sleeve 131 and an inner rod 132, the sleeve 131 is slidably sleeved on the inner rod 132, an inner wall of the sleeve 131 is connected to an outer wall of the inner rod 132 through a spring, and the sleeve 131 is slidably sleeved on the inner rod 132, so that the elastic member 130 can only vertically extend and retract, and the piston 121 connected to the elastic member 130 can better slide in the cylinder 120.

In some specific embodiments, the top of the ventilation pipe 110 and the inside of the cylinder block 120 are provided with an annular groove 113, the bottom of the inner rod 132 is movably provided with a ball 1321, the ball 1321 is movably arranged in the annular groove 113, when the cylinder block 120 is dismounted and then remounted, due to the arrangement of the thread groove 1121, the cylinder block 120 needs to be spirally arranged in the thread groove 1121, at this time, the elastic member 130 fixed in the cylinder block 120 can also rotate, through the design that the ball 1321 is movably arranged in the annular groove 113, when the elastic member 130 rotates, the ball 1321 at the bottom of the elastic member 130 can move around the annular groove 113, and at this time, the design is designed to prevent the elastic member 130 from being collided and difficult to mount when the cylinder block 120 rotates spirally.

In some embodiments, the clamping plate 221 has an arc structure, the inner arc surface of the clamping plate 221 is provided with a rubber pad, the clamping plate 221 has an arc structure so that the inner arc surface of the clamping plate 221 contacts the elastic member 130, and the rubber pad has anti-slip property so as to increase friction force when contacting.

This ventilation equipment wind speed detection device for fire control's theory of operation: when the ventilation equipment detects the wind speed, one end of the ventilation pipe 110 is connected with the ventilation equipment, when the ventilation equipment is started, ventilation operation is carried out in the ventilation pipe 110, namely, air enters from one end, far away from the ventilation equipment, of the ventilation pipe 110, air exits from one end, close to the ventilation equipment, of the ventilation pipe 110, negative pressure is generated in the cylinder body 120 through air flowing in the ventilation pipe 110 and setting of the position of the through hole 111, at the moment, the piston 121 moves downwards to drive the elastic piece 130 to compress, meanwhile, the pointer 124 above the piston 121 also moves downwards, the pointer 124 horizontally aligns with the arrangement of the graduated scale 123 to observe the moving distance of the piston 121, so that the wind speed is judged, when the elastic piece 130 is used for a long time and needs to be replaced, the cylinder body 120 is movably installed at the top of the ventilation pipe 110, so that the cylinder body 120 is taken down, and the top of the elastic piece 130 is initially positioned in the opening 210, because the push rods 220 penetrate through the piston 121 in a sliding manner, the driving member 230 is in transmission connection with the push rods 220, the push rods 220 move transversely by the driving member 230, the two push rods 220 approach to clamp and fix the elastic member 130 in the gap 210, and when the elastic member 130 needs to be disassembled, the driving member 230 is reversely started to make the two symmetrical push rods 220 separate from each other, so that the elastic member 130 is separated from the gap 210, and the subsequent replacement process of the elastic member 130 is facilitated.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A wind speed detection device of a ventilation device for fire fighting is characterized by comprising

The detection device comprises a detection mechanism (100), wherein the detection mechanism (100) comprises a ventilation pipe (110), a cylinder body (120) and an elastic piece (130), the cylinder body (120) is movably installed at the top of the ventilation pipe (110), a through hole (111) communicated with the cylinder body (120) is formed in the ventilation pipe (110), a piston (121) is arranged in the cylinder body (120) in a sealing and sliding mode, a vertical rod (122) is arranged at the top of the piston (121), a graduated scale (123) is arranged on one side of the top of the cylinder body (120), a pointer (124) horizontally aligned with the graduated scale (123) is arranged at the top of the vertical rod (122), and the elastic piece (130) is movably installed between the bottom of the piston (121) and the top of the ventilation pipe (110);

dismouting mechanism (200), dismouting mechanism (200) include opening (210), ejector pin (220) and driving piece (230), opening (210) set up in on piston (121), opening (210) can supply elastic component (130) top is pegged graft, ejector pin (220) slide run through in piston (121), ejector pin (220) about opening (210) symmetry sets up, two the relative one end of ejector pin (220) all stretches into in opening (210) and be connected with splint (221), driving piece (230) set up in inside piston (121), driving piece (230) with ejector pin (220) transmission is connected.

2. The wind speed detection device for the fire protection ventilation equipment is characterized in that a ring body (112) is arranged at the top of the ventilation pipe (110), a thread groove (1121) is formed at the top of the ring body (112), and the outer wall of the bottom of the cylinder body (120) is in threaded mounting on the thread groove (1121).

3. The wind speed detection device of the fire protection ventilation equipment according to claim 1, wherein the driving member (230) comprises a mounting cavity (231), a screw (232), a vertical plate (233) and a rotating member (234), the mounting cavity (231) is disposed inside the piston (121), the screw (232) is rotatably mounted in the mounting cavity (231), the vertical plate (233) is slidably disposed in the mounting cavity (231), the vertical plate (233) is in threaded sleeve connection with the screw (232), one end of the ejector rod (220) slidably penetrates into the mounting cavity (231) and is connected with the vertical plate (233), and the rotating member (234) is in transmission connection with the screw (232).

4. The wind speed detection device for the fire protection ventilation equipment is characterized in that the rotating member (234) comprises a rotating rod (2341), a first helical gear (2342) and a second helical gear (2343), the rotating rod (2341) is arranged at the bottom of the piston (121), one end of the rotating rod (2341) penetrates into the installation cavity (231) and is connected with the first helical gear (2342), the second helical gear (2343) is fixedly sleeved on the screw rod (232), and the second helical gear (2343) is in meshed connection with the first helical gear (2342).

5. The wind speed detection device for the fire protection ventilation equipment is characterized in that a bearing is arranged inside the piston (121) and outside the rotating rod (2341), and the outer ring of the rotating rod (2341) is fixed with the inner ring of the bearing.

6. The wind speed detection device of the fire protection ventilation equipment, according to claim 3, wherein a limit rod (2311) is fixedly arranged in the installation cavity (231), and the vertical plate (233) is slidably sleeved on the limit rod (2311).

7. The wind speed detection device of the fire protection ventilator according to claim 5, wherein a rotating handle is provided at the bottom of the rotating rod (2341).

8. The wind speed detection device for the fire protection ventilator according to claim 1, wherein the elastic member (130) comprises a sleeve (131) and an inner rod (132), the sleeve (131) is slidably sleeved on the inner rod (132), and an inner wall of the sleeve (131) is connected with an outer wall of the inner rod (132) through a spring.

9. The wind speed detection device of the fire protection ventilator according to claim 8, wherein an annular groove (113) is formed in the top of the ventilation pipe (110) and inside the cylinder body (120), a ball (1321) is movably mounted at the bottom of the inner rod (132), and the ball (1321) is movably disposed in the annular groove (113).

10. The wind speed detection device for the fire protection ventilation equipment, as recited in claim 1, wherein the clamping plate (221) is of an arc structure, and a rubber pad is arranged on the inner arc surface of the clamping plate (221).