CN219588737U - Gas conveying device - Google Patents

Abstract

The utility model discloses a gas conveying device, which relates to the technical field of gas conveying and comprises a pipe body, wherein a thread groove is formed in the top of the pipe body, a detection pipe is connected with the inner wall of the thread groove in a threaded mode, a groove is formed in the top end of the detection pipe, an audible and visual alarm is arranged on the inner wall of the groove, a normally closed button switch is fixedly arranged at the bottom of the audible and visual alarm, a tympanic membrane is fixedly arranged on the inner wall of the detection pipe, a pressing block is fixedly arranged at the top of the tympanic membrane, and the tympanic membrane is positioned at the bottom of the audible and visual alarm. According to the utility model, through the cooperation arrangement among the structures such as the pipe body, the detection pipe, the audible and visual alarm, the normally closed button switch, the pressing block, the tympanic membrane and the like, the detection of the air pressure of the air in the pipeline is facilitated during working, so that the detection of the problem of air leakage in the transportation process of the pipeline is facilitated, the reliability and stability of the air transportation device are improved, and the normal transportation of the air is ensured.

Description

Gas conveying device

Technical Field

The utility model relates to the technical field of gas conveying, in particular to a gas conveying device.

Background

Gas delivery refers to the delivery of gas from a place to a specified location through a conduit, which is widely used in our lives.

The prior gas conveying device can refer to the utility model patent with the patent publication number of CN209510594U, and discloses a gas conveying device which can improve the gas conveying speed and the gas conveying efficiency; the centrifugal fan comprises a centrifugal fan and a conveying pipeline, wherein the air outlet end on the right side of the centrifugal fan is communicated with the left end of the conveying pipeline; still including carrying cylinder, carry the piston, carry the pole, the control box, the connecting rod, crank connecting rod, carry the motor, the transmission shaft, fixed plate and four support frames of group, centrifugal fan right side air-out end intercommunication is provided with the connecting pipe, carry cylinder top intercommunication is provided with the air inlet, carry cylinder right-hand member and conveying pipeline left end intercommunication, in the air inlet and carry cylinder and conveying passageway junction punishment intercommunication respectively be provided with two sets of check valves, carry piston top and bottom respectively with carry cylinder inboard top and bottom sliding connection, carry pole right-hand member and carry the piston connection, carry the pole left end and pass carry the cylinder left end and stretch out and carry the cylinder outside, the control box right side is connected with the left side of carrying the cylinder, through above-mentioned operation, make gas atmospheric pressure increase when carrying, thereby make the conveying speed of gas obtain improving, thereby the conveying efficiency of gas has been improved.

However, the device finds that, in the practical use process, although the device can improve the air pressure during air conveying and improve the air conveying efficiency, the device cannot warn staff once the problem of pipeline leakage occurs during the transportation process, so that a large amount of air is leaked.

Disclosure of Invention

The utility model aims to solve or at least alleviate the problem that in the prior art, once the pipeline leaks in the transportation process, the problem that a large amount of gas leaks because staff cannot be warned.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a gas conveying device, includes the body, the screw thread groove has been seted up at the top of body, the inner wall threaded connection of screw thread groove has the detection tube, the recess has been seted up on the top of detection tube, the inner wall of recess is provided with audible-visual annunciator, audible-visual annunciator's bottom fixed mounting has normally closed button switch, the inner wall fixed mounting of detection tube has the tympanic membrane, the top fixed mounting of tympanic membrane has presses the briquetting, the tympanic membrane is located audible-visual annunciator's bottom, normally closed button switch is corresponding with the position of pressing the briquetting, normally closed button switch and audible-visual annunciator electric connection.

Optionally, the inner wall joint of screw thread groove has rubber seal to fill up, rubber seal fills up and is located the centre of recess and test tube.

Through adopting above technical scheme, carry out sealing treatment through setting up the rubber seal pad to the junction of recess and detection tube, be favorable to preventing the leakage of gas, improve the reliability of the device.

Optionally, the outer wall of detecting tube has seted up L shape spout, the inner wall sliding connection of L shape spout has the slider, the outer wall fixed of slider is equipped with solid fixed ring, the inner wall fixed at solid fixed ring top is equipped with joint strip.

Through adopting above technical scheme, through setting up solid fixed ring, be favorable to fixing audible and visual annunciator, through joint strip simultaneously, carry out sealing treatment to solid fixed ring and audible and visual annunciator's contact surface.

Optionally, the number of the L-shaped sliding grooves is four, and the L-shaped sliding grooves are uniformly distributed on the outer wall of the detection tube.

Through adopting above technical scheme, be favorable to improving the compactness that solid fixed ring connects, be favorable to the sealing treatment of device, prevent that the problem of gas leakage from appearing.

Optionally, an annular groove is formed in the inner wall of the pipe body, and a check valve is fixedly assembled on the inner wall of the annular groove.

Through adopting above technical scheme, through setting up the check valve, be favorable to preventing to appear gaseous backward flow phenomenon to guarantee the normal use of device.

Optionally, a through hole is formed in one end, far away from the annular groove, of the pipe body, and a safety valve is fixedly arranged on the inner wall of the through hole.

Through adopting above technical scheme, through setting up the relief valve, be favorable to carrying out the pressure release to the atmospheric pressure in the pipeline when the device carries out gas delivery pressure too big to make the atmospheric pressure in the pipeline be in normal numerical range.

Optionally, the tympanic membrane is a PVDF soft membrane.

Through adopting above technical scheme, through the normal close formula button switch of pressing the piece of pressing for audible and visual alarm is in the state of not working.

In summary, the beneficial effects of the utility model are as follows:

the utility model is beneficial to pushing up the tympanic membrane by air pressure during operation so as to push the pressing block against the normally closed button switch through the cooperation arrangement among the structures such as the tube body, the detection tube, the audible and visual alarm, the normally closed button switch, the pressing block and the tympanic membrane, and the like, and the normal operation alarm does not alarm at the moment, thereby improving the reliability and stability of the gas transportation device and ensuring the normal transportation of gas.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is a schematic view of the utility model in an expanded configuration at a retaining ring;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2A in accordance with the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 3B according to the present utility model.

Reference numerals illustrate: 1. a tube body; 2. a thread groove; 3. a detection tube; 4. a groove; 5. an audible and visual alarm; 6. normally closed push button switch; 7. a tympanic membrane; 8. pressing the blocks; 9. a rubber gasket; 10. an L-shaped chute; 11. a slide block; 12. a fixing ring; 13. a sealing rubber strip; 14. an annular groove; 15. a non-return valve; 16. a through hole; 17. a safety valve.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

Referring to fig. 1-3, a gas conveying device comprises a pipe body 1 for conveying gas, a thread groove 2 is formed in the top of the pipe body 1 and used for being connected with a detection pipe 3, the inner wall of the thread groove 2 is in threaded connection with the detection pipe 3, a groove 4 is formed in the top end of the detection pipe 3, an audible and visual alarm 5 is arranged on the inner wall of the groove 4 and used for giving an alarm to a worker when gas leakage occurs, a normally closed button switch 6 is fixedly arranged at the bottom of the audible and visual alarm 5, a tympanic membrane 7 is fixedly arranged on the inner wall of the detection pipe 3 and bulges upwards along with the enhancement of gas pressure conveyed in a pipeline, a pressing block 8 is fixedly arranged at the top of the tympanic membrane 7 and used for pressing the normally closed button switch 6, and the tympanic membrane 8 is positioned at the bottom of the audible and visual alarm 5.

Referring to fig. 1 and 2, the inner wall joint of screw thread groove 2 has rubber seal 9, and rubber seal 9 is located the centre of recess 4 and detection tube 3, carries out sealing treatment through setting up the junction of rubber seal 9 to recess 4 and detection tube 3, is favorable to preventing the leakage of gas, improves the reliability of the device.

Referring to fig. 4 and 5, an L-shaped chute 10 is provided on the outer wall of the detection tube 3, a slider 11 is slidably connected to the inner wall of the L-shaped chute 10, a fixing ring 12 is fixedly mounted on the outer wall of the slider 11, a sealing rubber strip 13 is fixedly mounted on the inner wall of the top of the fixing ring 12, fixing of the audible and visual alarm 5 is facilitated by the arrangement of the fixing ring 12, and meanwhile sealing treatment is performed on the contact surface of the fixing ring 12 and the audible and visual alarm 5 by the sealing rubber strip 13.

Referring to fig. 2 and 5,L, the number of the sliding grooves 10 is four, and the sliding grooves 10 are uniformly distributed on the outer wall of the detection tube 3, and by arranging the four L-shaped sliding grooves 10, the connection tightness of the fixing ring 12 is improved, the sealing treatment of the device is facilitated, and the problem of gas leakage is prevented.

Referring to fig. 2, an annular groove 14 is provided on the inner wall of the pipe body 1, a check valve 15 is fixedly installed on the inner wall of the annular groove 14, and the check valve 15 is provided to facilitate preventing the occurrence of a gas backflow phenomenon, thereby ensuring the normal use of the device.

Referring to fig. 2 and 3, a through hole 16 is formed in one end of the pipe body 1 far away from the annular groove 14, a safety valve 17 is fixedly arranged on the inner wall of the through hole 16, and the safety valve 17 is beneficial to pressure relief of air pressure in a pipeline when the device is used for carrying out gas conveying pressure is overlarge, so that the air pressure in the pipeline is in a normal numerical range.

Referring to fig. 2 and 4, the tympanic membrane 7 is a PVDF soft film, the normally closed button switch 6 corresponds to the position of the pressing block 8, the normally closed button switch 6 is connected in series with the power line of the audible and visual annunciator 5, by providing the tympanic membrane 7, the tympanic membrane 7 is facilitated to bulge upward along with the increase of pressure, and by pressing the normally closed button switch 6 by the pressing block 7, the audible and visual annunciator 5 is in an inactive state.

The implementation principle of the utility model is as follows: during operation, because air pressure exists when the air is conveyed in the pipeline, when the air is conveyed normally, the air pressure enables the tympanic membrane 7 to bulge upwards, then the pressing block 8 is pushed upwards until being in contact with the normally closed button switch 6, a spring is arranged in the normally closed button switch 6, the normally closed button switch 6 is disconnected when being pressed down, the audible and visual annunciator 5 is in an inactive state when being sprung up, when the air leakage occurs, the air pressure in the pipeline is reduced, the tympanic membrane 7 lacks enough air pressure to bulge upwards, the pressing block 8 at the top of the tympanic membrane 7 is separated from the normally closed button switch 6, the audible and visual annunciator 5 gives an alarm at the moment, and surrounding staff is prompted to have the air pressure leakage problem.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (7)

1. A gas delivery device comprising a tubular body (1), characterized in that: the utility model discloses a sound-light alarm, including body (1), detection tube (3), recess (4) are seted up on the inner wall threaded connection of screw thread groove (2), the inner wall of recess (4) is provided with sound-light alarm (5), the bottom fixed mounting of sound-light alarm (5) has normally closed button switch (6), the inner wall fixed mounting of detection tube (3) has tympanic membrane (7), the top fixed mounting of tympanic membrane (7) has press piece (8), tympanic membrane (7) are located the bottom of sound-light alarm (5).

2. A gas delivery device according to claim 1, wherein: the inner wall joint of screw thread groove (2) has rubber seal (9), rubber seal (9) are located the centre of recess (4) and detection tube (3).

3. A gas delivery device according to claim 1, wherein: the outer wall of the detection tube (3) is provided with an L-shaped sliding groove (10), the inner wall of the L-shaped sliding groove (10) is connected with a sliding block (11) in a sliding mode, the outer wall of the sliding block (11) is fixedly provided with a fixing ring (12), and the inner wall of the top of the fixing ring (12) is fixedly provided with a sealing rubber strip (13).

4. A gas delivery device according to claim 3, wherein: the number of the L-shaped sliding grooves (10) is four, and the L-shaped sliding grooves are uniformly distributed on the outer wall of the detection tube (3).

5. A gas delivery device according to claim 1, wherein: an annular groove (14) is formed in the inner wall of the pipe body (1), and a check valve (15) is fixedly arranged on the inner wall of the annular groove (14).

6. A gas delivery device according to claim 1, wherein: one end of the pipe body (1) far away from the annular groove (14) is provided with a through hole (16), and the inner wall of the through hole (16) is fixedly provided with a safety valve (17).

7. A gas delivery device according to claim 1, wherein: the tympanic membrane (7) is a PVDF soft membrane.