CN210196994U

CN210196994U - Novel liquefied petroleum gas valve safety inspection device

Info

Publication number: CN210196994U
Application number: CN201921117270.5U
Authority: CN
Inventors: Xin Sun; 孙新
Original assignee: Yancheng Baotong Machinery Technology Co Ltd
Current assignee: Yancheng Baotong Machinery Technology Co Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-03-27
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a novel liquefied petroleum gas valve safety detection device, the structure of which comprises a shell, in order to solve the problem that the existing safety detection device is usually locked by bolt fixing and inconvenient to maintain and clean, a quick dismounting device is arranged at the rear end of the shell, a pulling force is applied to a pull ring, a connector and a fixed rod are driven to slide towards the right end to be separated from the shell, the pulling force is continuously applied, a limit frame on a sliding block slides towards the right end to be separated from the shell, then the shell is taken down to be maintained and cleaned, the shell is pressed into the front end of the fixed shell and the sliding block after cleaning is finished, the sliding block is forced to slide towards the right end, a movable rod and the fixed block are driven to slide towards the right end to extrude a first spring, the first spring provides elasticity, the shell is clamped by the limit frame on the sliding block, the fixed rod extrudes a second spring simultaneously, when, the second spring recovers to provide elasticity to drive the fixing rod to be inserted into the clamping hole to fix the shell, and the effect of conveniently carrying out dismounting is achieved.

Description

Novel liquefied petroleum gas valve safety inspection device

Technical Field

The utility model relates to a detection device technical field, concretely relates to novel liquefied petroleum gas valve safety inspection device.

Background

Liquefied petroleum gas (liquefied gas for short) is a petroleum tail gas left in the process of refining petroleum products such as gasoline, kerosene, diesel oil and heavy oil, and is prepared by a certain procedure, the petroleum tail gas is recovered and utilized, and pressurized measures are taken to change the petroleum tail gas into liquid which is filled in a pressurized container, and the liquefied gas is obtained by the name of the liquefied gas, and the liquefied gas mainly comprises ethylene, ethane, propylene, propane, butane and the like, the liquid gas is in a liquid state in the gas cylinder, is vaporized into combustible gas with volume about two hundred and fifty times larger than the original volume once flowing out, is easy to diffuse, can be combusted or exploded when encountering open fire, therefore, special attention is paid to the use of liquefied petroleum gas, and a valve needs to be detected by a safety detection device to prevent the leakage of the liquefied petroleum gas, however, the existing safety detection device is usually locked by bolts, and the maintenance of the safety detection device is inconvenient, which causes maintenance trouble.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, present a novel liquefied petroleum gas valve safety inspection device, it is dead through the bolt fastening lock usually to have solved current safety inspection device, and is clean inconvenient to safety inspection device's maintenance, leads to maintaining troublesome problem.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a novel liquefied petroleum gas valve safety inspection device, including shell, play sound hole, inlet port, start button, power cord, circuit board, singlechip, liquefied petroleum gas sensor module, bee calling organ and quick dismounting device, the shell front end is provided with out the sound hole, both ends and bottom all are provided with the inlet port about the shell, start button sets up in the shell front end, the power cord sets up in the shell top, the circuit board passes through bolt and the inboard fixed connection in shell rear end, the welding of circuit board front end has singlechip, liquefied petroleum gas sensor module and bee calling organ all are connected with the monolithic is electromechanical, quick dismounting device front end and shell clearance fit, quick dismounting device is by set casing, spring pocket, first spring, fixed block, movable rod, Slider, mounting hole, spacing frame and fixed establishment constitute, the inside cylindric spring groove that is provided with of set casing, first spring one end is pasted on the fixed block right side, and the other end is pasted in the spring groove right-hand member, fixed block right-hand member and the perpendicular fixed connection of movable rod, the movable rod right-hand member and the perpendicular fixed connection of slider, the mounting hole sets up in the set casing middle part, set casing and slider outward flange all are provided with spacing frame, spacing frame sliding connection on fixed establishment middle part and the slider, set casing and slider front end are pasted in the shell rear side, spacing frame internal surface is pasted in shell rear side outside border.

Further, fixed establishment comprises dead lever, spacing ring, external screw thread, second spring, connector and pull ring, the dead lever left end is provided with the spacing ring that prevents the roll-off of second spring, the dead lever right-hand member is provided with align to grid's external screw thread, second spring one end is pasted on the spacing ring right side, and the other end pastes the spacing frame on the slider, the external screw thread fixed connection that spacing frame and spacing ring right-hand member set up, the connector right-hand member is provided with the pull ring that conveniently exerts pulling force, spacing frame sliding connection on dead lever middle part and the slider.

Furthermore, the size of the spring groove is matched with that of the movable rod.

Furthermore, the mounting holes are arranged in two and are symmetrically distributed.

Furthermore, the right end of the shell is provided with a circular clamping hole, and the aperture of the mounting hole is 1.5mm larger than that of the fixing rod.

Further, the distance that the movable rod slides left and right along the spring groove is as follows: 0-5 cm.

Furthermore, the inner side of the left end of the connector is provided with an internal thread with a size matched with the external thread.

Furthermore, the outer surface of the limiting frame is smooth and burr-free, and a round chamfer is arranged at the outer edge.

Further, the type of the buzzer is as follows: SFM-27.

Further, the model of the liquefied petroleum gas sensor module is as follows: MQ6 liquefied petroleum gas sensor module.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

in order to solve the problem that the existing safety detection device is usually locked through bolt fixing, the maintenance of the safety detection device is inconvenient and inconvenient, and the maintenance is troublesome, the rear end of the shell is provided with the quick dismounting device, the pull ring is provided with pull force to drive the connector and the fixed rod to slide towards the right end to be separated from the shell, the pull force is continuously applied to ensure that the limit frame on the slide block slides towards the right end to be separated from the shell, then the shell is taken down for maintenance and cleaning, the shell is installed after cleaning is finished, the shell is pressed into the fixed shell and the front end of the slide block, the slide block is forced to slide towards the right end, the movable rod and the fixed block are driven to slide towards the right end to extrude the first spring, the first spring provides elastic force, the shell is clamped through the limit frame on the slide block, the fixed rod is simultaneously extruded with force to extrude the second spring, when the shell moves to a proper position, the second spring recovers to, the effect of conveniently carrying out the dismouting is reached.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the sectional structure of the housing of the present invention;

FIG. 3 is a schematic structural view of the quick release device of the present invention;

fig. 4 is a schematic view of the sectional structure of the fixing shell of the present invention;

fig. 5 is an exploded schematic view of the fixing mechanism of the present invention.

In the figure: the device comprises a shell-1, a sound outlet-2, an air inlet-3, a start button-4, a power line-5, a circuit board-6, a single chip microcomputer-7, a liquefied petroleum gas sensor module-8, a buzzer-9, a quick dismounting device-10, a fixed shell-101, a spring groove-102, a first spring-103, a fixed block-104, a movable rod-105, a sliding block-106, a mounting hole-107, a limiting frame-108, a fixed mechanism-109, a fixed rod-1091, a limiting ring-1092, an external thread-1093, a second spring-1094, a connector-1095 and a pull ring-1096.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a novel safety inspection device for a lpg valve: the liquefied petroleum gas sensor comprises a shell 1, a sound outlet hole 2, an air inlet hole 3, a starting button 4, a power line 5, a circuit board 6, a single chip microcomputer 7, a liquefied petroleum gas sensor module 8, a buzzer 9 and a quick dismounting device 10, wherein the sound outlet hole 2 is formed in the front end of the shell 1, the air inlet holes 3 are formed in the left end, the right end and the bottom of the shell 1, the starting button 4 is arranged at the front end of the shell 1, the power line 5 is arranged at the top of the shell 1, the circuit board 6 is fixedly connected with the inner side of the rear end of the shell 1 through bolts, the single chip microcomputer 7, the liquefied petroleum gas sensor module 8 and the buzzer 9 are welded at the front end of the circuit board 6, the liquefied petroleum gas sensor module 8 and the buzzer 9 are both electrically connected with the single chip microcomputer 7, the front end of the quick dismounting device 10 is in clearance fit, Spacing frame 108 and fixed establishment 109 are constituteed, the inside cylindric spring groove 102 that is provided with of set casing 101, first spring 103 one end is pasted on fixed block 104 right side, the other end is pasted on spring groove 102 right-hand member, fixed block 104 right-hand member and the perpendicular fixed connection of movable rod 105, the perpendicular fixed connection of movable rod 105 right-hand member and slider 106, mounting hole 107 sets up in set casing 101 middle part, set casing 101 and slider 106 outward flange all are provided with spacing frame 108, spacing frame 108 sliding connection on fixed establishment 109 middle part and the slider 106, set casing 101 and slider 106 front end are pasted in shell 1 rear side, the border outside the shell 1 rear side is pasted to spacing frame 108 internal surface.

Wherein, fixed establishment 109 comprises dead lever 1091, spacing ring 1092, external screw thread 1093, second spring 1094, connector 1095 and pull ring 1096, dead lever 1091 left end is provided with the spacing ring 1092 that prevents second spring 1094 roll-off, dead lever 1091 right-hand member is provided with align to grid's external screw thread 1093, second spring 1094 one end is pasted in spacing ring 1092 right side, the other end is pasted in spacing frame 108 on slider 106, the external screw thread 1093 fixed connection that spacing frame 108 and spacing ring 1092 right-hand member set up, connector 1095 right-hand member is provided with the pull ring 1096 that conveniently exerts pulling force, dead lever 1091 middle part and the spacing frame 108 sliding connection on slider 106.

The size of the spring slot 102 and the size of the movable rod 105 are matched with each other, so that the movable rod 105 can slide along the spring slot 102 conveniently.

Wherein, mounting hole 107 is provided with two altogether, and is the symmetry and distributes, conveniently carries out fixed mounting.

Wherein, the shell 1 right-hand member is provided with a circular shape card hole, and the aperture of mounting hole is 1.5mm bigger than dead lever 1091, conveniently passes through dead lever 1091 fixed shell 1.

The distance of the movable rod 105 sliding left and right along the spring slot 102 is: 0-5cm, and the shell 1 is convenient to open and take down.

Wherein, the inside of the left end of the connector 1095 is provided with an internal thread matched with the external thread 1093 in size, so that the connector can be fixedly connected conveniently.

The outer surface of the limiting frame 108 is smooth and burr-free, and a round chamfer is arranged at the outer edge of the limiting frame, so that the limiting frame can conveniently slide into the shell 1.

Wherein, the type of buzzer 9 is: SFM-27.

Wherein, the model of the liquefied petroleum gas sensor module 8 is: MQ6 liquefied petroleum gas sensor module.

The buzzer 9 described in this patent is an electronic buzzer of integrated structure, and is powered by direct current voltage, and is widely used as sounding device in electronic products such as computer, printer, copier, alarm, electronic toy, automobile electronic equipment, telephone, timer, etc., and the buzzer is mainly divided into two types of piezoelectric buzzer and electromagnetic buzzer, and the buzzer is represented by letter "H" or "HA" (old standard is "FM", "ZZG", "LB", "JD", etc.).

The working principle is as follows: firstly, the device is moved to a proper position, then the device is installed and fixed through two circular installation holes 107 arranged at the front end of a fixed shell 101, then the rear end of a shell 1 is aligned with the front ends of the fixed shell 101 and a sliding block 106, then pressure is applied to the shell 1, the shell 1 is squeezed between the fixed shell 101 and the sliding block 106 along a limit frame 108, the sliding block 106 is moved towards the right end, a movable rod 105 and a fixed block 104 are driven to slide towards the right end along a spring groove 102, pressure is applied to a first spring 103, the first spring 103 is stressed and compressed, the generated reverse elastic force is applied to the fixed block 104, the movable rod 105 and the sliding block 106 are driven to apply pressure towards the left end, the shell 1 is clamped through the limit frame 108 on the sliding block 106, meanwhile, in the squeezing process of the shell 1, pressure is applied to a fixed rod 1091, the fixed rod 1091 is driven to move towards the right end along the limit frame 108, and a second spring, when the housing 1 is pressed into a proper position, the second spring 1094 is restored to provide elasticity to drive the fixing rod 1091 to slide towards the left end and insert into the card hole to fix the housing 1, then the power line 5 is connected with an external power supply, the start button 4 is clicked to work, the liquefied petroleum gas sensor module 8 senses whether the valve is leaked or not, when leakage occurs, the liquefied petroleum gas sensor module 8 senses the leakage and sends a signal to the singlechip 7, the singlechip 7 starts the buzzer 9 to give a sound prompt, when disassembly and maintenance are needed, through applying pulling force to handle 1096, make connector 1095 slide to the right-hand member, drive dead lever 1091 along spacing frame 108 slide to the right-hand member and by roll-off in the card hole of 1 right-hand member setting, continue to apply pulling force, drive slider 106 and slide to the right-hand member, take off shell 1 and maintain cleanly, clean after finishing install again can.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel liquefied petroleum gas valve safety detection device comprises a shell (1), a sound outlet hole (2), an air inlet hole (3), a start button (4), a power line (5), a circuit board (6), a singlechip (7), a liquefied petroleum gas sensor module (8) and a buzzer (9), the front end of the shell (1) is provided with a sound outlet hole (2), the left and right ends and the bottom of the shell (1) are provided with air inlet holes (3), the start button (4) is arranged at the front end of the shell (1), the power line (5) is arranged at the top of the shell (1), the circuit board (6) is fixedly connected with the inner side of the rear end of the shell (1) through a bolt, the front end of the circuit board (6) is welded with a singlechip (7), a liquefied petroleum gas sensor module (8) and a buzzer (9), the liquefied petroleum gas sensor module (8) and the buzzer (9) are electrically connected with the single chip microcomputer (7);

the method is characterized in that: the quick dismounting device comprises a shell (1), and is characterized by further comprising a quick dismounting device (10), wherein the front end of the quick dismounting device (10) is in clearance fit with the shell (1), the quick dismounting device (10) is composed of a fixed shell (101), a spring groove (102), a first spring (103), a fixed block (104), a movable rod (105), a sliding block (106), a mounting hole (107), a limiting frame (108) and a fixing mechanism (109), the fixed shell (101) is internally provided with the cylindrical spring groove (102), one end of the first spring (103) is attached to the right side of the fixed block (104), the other end of the first spring is attached to the right end of the spring groove (102), the right end of the fixed block (104) is vertically and fixedly connected with the movable rod (105), the right end of the movable rod (105) is vertically and fixedly connected with the sliding block (106), the mounting hole (107) is arranged in the middle of the fixed shell (101), and the outer edges of the, the middle of the fixing mechanism (109) is in sliding connection with a limiting frame (108) on the sliding block (106), the front ends of the fixing shell (101) and the sliding block (106) are attached to the rear side of the shell (1), and the inner surface of the limiting frame (108) is attached to the outer edge of the rear side of the shell (1).

2. The novel liquefied petroleum gas valve safety detection device according to claim 1, wherein: fixed establishment (109) comprise dead lever (1091), spacing ring (1092), external screw thread (1093), second spring (1094), connector (1095) and pull ring (1096), dead lever (1091) left end is provided with spacing ring (1092) that prevents second spring (1094) roll-off, dead lever (1091) right-hand member is provided with align to grid's external screw thread (1093), second spring (1094) one end is pasted in spacing ring (1092) right side, and spacing frame (108) on slider (106) is pasted to the other end, spacing frame (108) and external screw thread (1093) fixed connection that spacing ring (1092) right-hand member set up, connector (1095) right-hand member is provided with pull ring (1096) that conveniently exert pulling force, dead lever (1091) middle part and spacing frame (108) sliding connection on slider (106).

3. The novel liquefied petroleum gas valve safety detection device according to claim 1, wherein: the size of the spring groove (102) is matched with that of the movable rod (105).

4. The novel liquefied petroleum gas valve safety detection device according to claim 1, wherein: the mounting holes (107) are arranged in two and are symmetrically distributed.

5. The novel liquefied petroleum gas valve safety detection device according to claim 1, wherein: the right end of the shell (1) is provided with a circular clamping hole, and the aperture of the mounting hole is 1.5mm larger than that of the fixing rod (1091).

6. The novel liquefied petroleum gas valve safety detection device according to claim 1, wherein: the distance of the movable rod (105) sliding left and right along the spring groove (102) is as follows: 0-5 cm.

7. The novel liquefied petroleum gas valve safety detection device according to claim 2, wherein: the inner side of the left end of the connector (1095) is provided with an internal thread the size of which is matched with that of the external thread (1093).

8. The novel liquefied petroleum gas valve safety detection device according to claim 1, wherein: the outer surface of the limiting frame (108) is smooth and burr-free, and a round chamfer is arranged at the outer edge.