CN215763485U

CN215763485U - Fire alarm safety valve

Info

Publication number: CN215763485U
Application number: CN202121951804.1U
Authority: CN
Inventors: 杨林
Original assignee: Jianan Fire Fighting Equipment Zhejiang Co ltd
Current assignee: Jianan Fire Fighting Equipment Zhejiang Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-02-08
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses a fire alarm safety valve, which relates to the field of safety valves and adopts the technical scheme that the fire alarm safety valve comprises a valve body and a pressure detector, wherein a telescopic rod is arranged in the valve body, a pressure valve seat is arranged at one end, away from the valve body, of the telescopic rod, a fixed seat is arranged in the valve body, and a cleaning mechanism for cleaning the outside of the pressure valve seat is arranged in the valve body; the externally mounted of valve body has two buffer tubes that are linked together with the valve body is inside, the inside of buffer tube is provided with buffer gear, buffer gear is including installing the inside buffer spring at the buffer tube, buffer spring's externally mounted has the buffer board, pressure valve seat's outside is provided with actuating mechanism, atmospheric pressure among the material pipeline can make pressure valve seat outwards remove when increasing, pressure valve seat can get rid of the adnexed impurity on the pressure valve seat surface through the cooperation use of transfer line and clearance pole in the clearance mechanism at the in-process that removes, avoid impurity to adhere to the life who reduces pressure valve seat for a long time.

Description

Fire alarm safety valve

Technical Field

The utility model relates to the technical field of safety valves, in particular to a fire alarm safety valve.

Background

In the common use of safety valves and pipeline safety protection, the working principle of the safety valve is to prevent the medium pressure in the pipeline or the equipment from exceeding a specified value by discharging the medium to the outside of the system when the medium pressure in the equipment or the pipeline rises to exceed a specified value.

Traditional relief valve lacks the buffer to the inside atmospheric pressure of pipeline in the course of the work to pressure valve seat has the media of adhesion can be attached to on pressure valve seat in long-time use, thereby makes pressure valve seat receive the erosion, and then makes pressure valve seat receive the damage, reduces the life of whole device, consequently needs a fire control warning relief valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that in the prior art, an adhesive medium can be attached to a pressure valve seat, so that the pressure valve seat is corroded, and provides a fire alarm safety valve.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a fire alarm safety valve comprises a valve body and a pressure detector, wherein a telescopic rod is arranged inside the valve body, a pressure valve seat is arranged at one end, away from the valve body, of the telescopic rod, a fixed seat is arranged inside the valve body, and a cleaning mechanism for cleaning the outside of the pressure valve seat is arranged inside the valve body;

the externally mounted of valve body have two with the inside buffer tube that is linked together of valve body, the inside of buffer tube is provided with buffer gear, buffer gear is including installing buffer spring inside, buffer spring's externally mounted has the buffer board, pressure valve seat's outside is provided with actuating mechanism, pressure detector installs the inside of buffer tube, the externally mounted of buffer tube has the pressure release jar.

The above technical solution further comprises:

the pressure valve seat with the inside of valve body is closely laminated, the buffer board with the inside of buffer tube is closely laminated, the externally mounted of pressure valve seat has pressure spring, pressure spring keeps away from the one end of pressure valve seat with the inside of valve body is connected.

Clearance mechanism is including rotating to be connected the outside threaded rod of fixing base, the constant head tank has been seted up to the inside of threaded rod, the inside sliding connection of constant head tank has the transfer line, fixed spring is installed to the one end of transfer line, fixed spring keeps away from the one end of transfer line with the inside of constant head tank is connected.

The other end of the transmission rod abuts against one side, away from the telescopic rod, of the pressure valve seat, a cleaning rod is mounted outside the transmission rod, a brush is arranged outside the cleaning rod, and the brush abuts against the outside of the pressure valve seat.

The driving mechanism comprises two connecting rods which are arranged on one side of the pressure valve seat far away from the telescopic rod, a driving block is arranged outside the two connecting rods, and a thread groove is formed in the outside of the driving block.

The thread groove is connected with the external thread of the threaded rod, the outer diameter of the threaded rod is smaller than the inner diameter of the thread groove, and the external thread of the threaded rod is matched with the internal thread of the thread groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, when the air pressure in the material conveying pipeline is increased, the pressure valve seat can move outwards, and impurities attached to the surface of the pressure valve seat can be removed through the matched use of the transmission rod and the cleaning rod in the cleaning mechanism in the moving process of the pressure valve seat, so that the phenomenon that the impurities are attached for a long time to reduce the service life of the pressure valve seat is avoided.

2. According to the utility model, when the pressure value in the pipeline is too high, gas can enter the buffer tube, and the buffer mechanism arranged in the buffer tube can realize primary buffer of pressure, so that waste caused by direct discharge and pressure relief of materials is avoided.

Drawings

FIG. 1 is a schematic view of a first internal structure of a fire alarm safety valve according to the present invention;

FIG. 2 is a second internal schematic view of the present invention;

FIG. 3 is a perspective view of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1;

fig. 5 is an enlarged view of the structure at B in fig. 2.

In the figure: 1. a valve body; 2. a buffer tube; 3. a telescopic rod; 4. a pressure spring; 5. a pressure valve seat; 6. a connecting rod; 7. cleaning the rod; 8. a drive block; 9. a fixed seat; 10. a threaded rod; 11. a buffer plate; 12. a buffer spring; 13. positioning a groove; 14. fixing the spring; 15. a transmission rod; 16. a thread groove; 17. a pressure detector; 18. a pressure relief tank.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-5, the motor detection device for the fire alarm safety valve electric bicycle provided by the utility model comprises a valve body 1 and a pressure detector 17, wherein an expansion rod 3 is installed inside the valve body 1, a pressure valve seat 5 is installed at one end, far away from the valve body 1, of the expansion rod 3, a fixed seat 9 is installed inside the valve body 1, and the pressure valve seat 5 is tightly attached to the inside of the valve body 1.

Clearance mechanism is including rotating the threaded rod 10 of connection in fixing base 9 outside, constant head tank 13 has been seted up to the inside of threaded rod 10, the inside sliding connection of constant head tank 13 has transfer line 15, spout (not drawn in the figure) has still been seted up to the inside of constant head tank 13, the inside sliding connection of transfer line 15 and spout, and then the realization is to transfer line 15 limiting displacement, fixed spring 14 is installed to transfer line 15's one end, fixed spring 14 keeps away from the one end of transfer line 15 and is connected with the inside of constant head tank 13.

The other end of the transmission rod 15 is tightly abutted against one side, away from the telescopic rod 3, of the pressure valve seat 5, a cleaning rod 7 is installed outside the transmission rod 15, a hairbrush is arranged outside the cleaning rod 7, and the hairbrush is tightly abutted against the outside of the pressure valve seat 5; the driving mechanism comprises two connecting rods 6 arranged on one side, far away from the telescopic rod 3, of the pressure valve seat 5, a driving block 8 is jointly arranged outside the two connecting rods 6, and a thread groove 16 is formed in the outside of the driving block 8.

A fire alarm relief valve theory of operation based on embodiment one is, the during operation, installs valve body 1 on material pipeline, and the inside atmospheric pressure of material pipeline can extrude pressure valve seat 5, and pressure valve seat 5 can drive telescopic link 3 and remove to the direction at 1 top of valve body after receiving the extrusion, and telescopic link 3 begins to contract and extrudes pressure spring 4 this moment.

Pressure valve seat 5 can drive connecting rod 6 at the in-process that removes and begin to remove, connecting rod 6 drives driving block 8 at the in-process that removes and begins to remove, set up the outside threaded connection of 16 and threaded rod 10 in the inside thread groove of driving block 8, thereby make threaded rod 10 begin to rotate, threaded rod 10 makes transfer line 15 begin to rotate at the pivoted in-process, and the elasticity of fixed spring 14 self can make the tip of transfer line 15 and the outside counterbalance of pressure valve seat 5 tight, transfer line 15 can make clearance pole 7 begin to rotate, the setting makes the outside adnexed impurity of pressure valve seat 5 clear away at the pivoted in-process at the outside brush of clearance pole 7, avoid impurity to cause the erosion to pressure valve seat 5.

Example two

As shown in fig. 1-4, based on the basis of the first embodiment, two buffer tubes 2 communicated with the inside of the valve body 1 are installed outside the valve body 1, a buffer mechanism is arranged inside the buffer tube 2, the buffer mechanism includes a buffer spring 12 installed inside the buffer tube 2, a buffer plate 11 is installed outside the buffer spring 12, the buffer plate 11 is closely attached to the inside of the buffer tube 2, a driving mechanism is arranged outside the pressure valve seat 5, a pressure detector 17 is installed inside the buffer tube 2, a pressure relief tank 18 is installed outside the buffer tube 2, the buffer tube 2 is communicated with the inside of the pressure relief tank 18, and the buffer plate 11 is kept away from the communication position of the buffer tube 2 and the pressure relief tank 18, so that the material can be guided into the pressure relief tank 18 after the buffer allowance inside the buffer tube 2 is consumed.

In this embodiment, when the pressure in the material pipeline is too high, the pressure may cause the pressure valve seat 5 to move continuously, the pressure valve seat 5 may cause the buffer tube 2 to communicate with the inside of the material pipeline in the moving process, at this time, the material enters into the buffer tube 2, the material may extrude the buffer plate 11 disposed inside the buffer tube 2, the elastic force of the buffer spring 12 may leave a certain space for the movement of the buffer plate 11, thereby achieving the buffering of the pressure, when the pressure in the material pipeline is further increased, the material may enter into the pressure relief tank 18 through the buffer tube 2 to be collected, thereby relieving the pressure in the material pipeline, achieving the protection of the material pipeline, and simultaneously avoiding the waste and pollution caused by the direct discharge of the material, the material pressure entering into the buffer tube 2 may be detected through the pressure detector 17, when the material pressure exceeds the maximum threshold value, the pressure detector 17 sends out alarm sound to timely adjust the material pipeline.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a fire alarm relief valve, includes valve body (1) and pressure measurement appearance (17), its characterized in that: the utility model discloses a pressure valve, including valve body (1), the internally mounted of valve body (1) has telescopic link (3), telescopic link (3) are kept away from pressure valve seat (5) are installed to the one end of valve body (1), the internally mounted of valve body (1) has fixing base (9), the inside of valve body (1) is provided with and is used for right pressure valve seat (5) outside carries out clear clearance mechanism.

2. A fire alarm safety valve as in claim 1, wherein: the externally mounted of valve body (1) have two with inside buffer tube (2) that are linked together of valve body (1), the inside of buffer tube (2) is provided with buffer gear, buffer gear is including installing buffer spring (12) inside buffer tube (2), the externally mounted of buffer spring (12) has buffer board (11), the outside of pressure valve seat (5) is provided with actuating mechanism, install pressure detector (17) the inside of buffer tube (2), the externally mounted of buffer tube (2) has pressure release jar (18).

3. A fire alarm safety valve according to claim 2, wherein the pressure valve seat (5) is tightly attached to the inside of the valve body (1), the buffer plate (11) is tightly attached to the inside of the buffer tube (2), a pressure spring (4) is mounted on the outside of the pressure valve seat (5), and one end of the pressure spring (4) far away from the pressure valve seat (5) is connected to the inside of the valve body (1).

4. A fire alarm safety valve according to claim 2, wherein the cleaning mechanism comprises a threaded rod (10) rotatably connected to the outside of the fixed seat (9), a positioning groove (13) is formed in the threaded rod (10), a transmission rod (15) is slidably connected to the inside of the positioning groove (13), a fixed spring (14) is mounted at one end of the transmission rod (15), and one end of the fixed spring (14) far away from the transmission rod (15) is connected to the inside of the positioning groove (13).

5. A fire alarm safety valve according to claim 4, wherein the other end of the transmission rod (15) abuts against the side of the pressure valve seat (5) away from the telescopic rod (3), a cleaning rod (7) is mounted outside the transmission rod (15), and a brush is arranged outside the cleaning rod (7) and abuts against the outside of the pressure valve seat (5).

6. A fire alarm safety valve according to claim 5, wherein the driving mechanism comprises two connecting rods (6) arranged on one side of the pressure valve seat (5) far away from the telescopic rod (3), a driving block (8) is jointly arranged on the outer parts of the two connecting rods (6), and a threaded groove (16) is formed in the outer part of the driving block (8).

7. A fire alarm safety valve according to claim 6, characterised in that the threaded groove (16) is in threaded connection with the outside of the threaded rod (10), the outer diameter of the threaded rod (10) being smaller than the inner diameter of the threaded groove (16), the outer thread of the threaded rod (10) matching the inner thread of the threaded groove (16).