CN216211476U

CN216211476U - Gas leakage alarm

Info

Publication number: CN216211476U
Application number: CN202122096095.XU
Authority: CN
Inventors: 李龙; 倪文祥; 倪文丽
Original assignee: Anhui Youjia Electronic Technology Co ltd
Current assignee: Anhui Youjia Electronic Technology Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-04-05
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a gas leakage alarm which comprises a mounting ring, a fixed disc and a protective shell, wherein the fixed disc is mounted on the mounting ring, the protective shell is mounted on the fixed disc and used for protection, the mounting disc is integrally formed and fixed on the outer edge of the bottom of the mounting ring, a clamping structure for assisting fastening is arranged on the inner side edge of the fixed disc, a matching ring is integrally formed and fixed on the top of the fixed disc, and a cleaning structure for assisting cleaning is arranged on a filter screen; the clearance structure is including the clearance pole that is used for the clearance and supplementary clearance pole pivoted clearance motor, the filter screen top is rotated and is inlayed and establish and install the change, change top department rotates and is provided with the top dish, the clearance pole is provided with four, it is provided with the cooperation wheel to rotate between change and the spindle. This gas leakage alarm, reasonable in design can carry out fine clearance at the shell of in-process device, can avoid more dust to gather and influence monitoring accuracy, is fit for using widely.

Description

Gas leakage alarm

Technical Field

The utility model belongs to the technical field of alarms, and particularly relates to a gas leakage alarm.

Background

Combustible gasThe leakage alarm is a gas leakage detection alarm instrument. When flammable in an industrial environment orToxic gasWhen leakage occurs, when the combustible gas leakage alarm detects that the gas concentration reaches the critical point set by the explosion or poison alarm, the combustible gas leakage alarm can send out an alarm signal to remind the user of taking safety measures, and the combustible gas leakage alarm is equivalent to an automatic fire extinguisher and can drive an air exhaust, cutting off and spraying system to prevent explosion, fire and poisoning accidents, so that safety production is guaranteed.

The combustible gas leakage alarm can measure the concentration of various gases. Is often used in chemical plants, petroleum, gas stations, steel plants and other places with gas leakage,

the existing gas leakage alarm is easy to cause the problem that impurities such as dust are accumulated in the shell of the alarm after the alarm is used for a period of time in a larger place such as dust, and the alarm is easy to monitor and receive influence without being cleaned for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gas leakage alarm to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a gas leakage alarm comprises a mounting ring, a fixed disc arranged on the mounting ring and a protective shell arranged on the fixed disc and used for protection, wherein the mounting disc is fixed on the outer edge of the bottom of the mounting ring in an integrated forming mode, a clamping structure for assisting fastening is arranged on the inner side edge of the fixed disc, a matching ring is fixed on the top of the fixed disc in an integrated forming mode, a detector for assisting detection is arranged at the top of the fixed disc and inside the matching ring, the protective shell is arranged on the matching ring, a filter screen is embedded and arranged on the outer side edge of the protective shell, and a cleaning structure for assisting cleaning is arranged on the filter screen;

the clearance structure is including being used for the clearance pole of clearance and supplementary clearance pole pivoted clearance motor, the filter screen top is rotated and is inlayed and establish and install the change, change top department rotates and is provided with the top dish, the clearance pole is provided with four, and the symmetry is fixed respectively on change and top dish, the spindle front end of clearance motor is fixed in top dish bottom center department, it is provided with the cooperation wheel to rotate between change and the spindle.

Preferably, a meshing wheel is sleeved on a crankshaft of the cleaning motor, the outer edge of the matching wheel is meshed with the outer edge of the meshing wheel, and the inner edge of the rotating ring is meshed with the outer edge of the matching wheel.

Preferably, the inner side edge of the cleaning rod is embedded with a cleaning pad, and the cleaning pad is attached to the outer side edge of the filter screen.

Preferably, a positioning ring is fixed at the bottom of the top disc, a positioning groove for mounting the positioning ring is formed in the top of the rotating ring, and the positioning ring is arranged in the positioning groove.

Preferably, the joint structure is including the grafting piece that is used for pegging graft and rotating the driving plate that sets up in the fixed disk inside, wear to establish on the grafting piece and install the threaded rod, the threaded rod is close to the center department of fixed disk and all is fixed with the drive wheel, the laminating of drive wheel top is in driving plate bottom department, driving plate top department vertical fixation has the pivoted bull stick of drive driving plate.

Preferably, the transmission plate is meshed with the transmission wheel, the threaded rod is in threaded fit with the insertion block, an arc-shaped sliding groove for sliding the rotating rod is formed in the top of the fixed disc, and an insertion groove which is in matched insertion with the insertion block is formed in the inner side edge of the mounting ring.

The utility model has the technical effects and advantages that: this gas leakage alarm, clearance structure through setting up, clearance pole and meshing wheel and the cooperation between the dish etc. in the clearance structure, clearance pole reciprocating rotation comes to carry out fine clearance to the outside limit of protective housing and filter screen etc. when can be convenient after working a period, and then avoid appearing the filter screen and have the accumulational problem of more impurity to take place, avoid the dust to pile up the monitoring precision who influences the alarm, through the joint structure that sets up, cooperation between driving plate and drive wheel and the grafting piece etc. in the joint structure, can conveniently carry out quick effectual dismantlement processing after the detector damages, need spend the longer time to dismantle after avoiding appearing the detector damage, holistic maintenance efficiency has been improved. This gas leakage alarm, reasonable in design can carry out fine clearance at the shell of in-process device, can avoid more dust to gather and influence monitoring accuracy, is fit for using widely.

Drawings

FIG. 1 is a disassembled view of the present invention;

FIG. 2 is a cross-sectional view of a holding pan of the present invention;

fig. 3 is a cross-sectional view of the protective case of the present invention;

fig. 4 is an enlarged view of the utility model at a in fig. 3.

In the figure: 1. mounting a disc; 2. a mounting ring; 3. inserting grooves; 4. fixing the disc; 5. matching rings; 6. a detector; 7. a clamping structure; 8. a rotating rod; 9. a drive plate; 10. a driving wheel; 11. a threaded rod; 12. an insertion block; 13. a protective shell; 14. filtering with a screen; 15. cleaning the structure; 16. cleaning the motor; 17. cleaning the rod; 171. rotating the ring; 18. cleaning the pad; 19. an engaging wheel; 20. a top tray; 21. and a mating wheel.

Detailed Description

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: when the filter screen 14 needs to be cleaned, the utility model provides the gas leakage alarm shown in fig. 1, 3 and 4, wherein the matching ring 5 is provided with a protective shell 13, the protective shell 13 is in threaded fit with the matching ring 5, the outer side edge of the protective shell 13 is embedded with the filter screen 14, and the filter screen 14 is provided with a cleaning structure 15 for assisting cleaning;

the cleaning structure 15 comprises a cleaning rod 17 for cleaning and a cleaning motor 16 for assisting the rotation of the cleaning rod 17, the cleaning structure 15 can be used for cleaning the outer side edge of the protective shell 13, the filter screen 14 and the like well by rotating the cleaning rod 17 back and forth when the cleaning structure is convenient after working for a period of time, thereby avoiding the problem that more impurities are accumulated on the filter screen 14, avoiding the influence of dust accumulation on the monitoring precision of the alarm, the top of the filter screen 14 is rotatably embedded with a rotary ring 171, the top of the rotary ring 171 is rotatably provided with a top disc 20, the number of the cleaning rods 17 is four, and are symmetrically fixed on the rotating ring 171 and the top disk 20, respectively, a ring groove for the rotation of the extending end of the meshing wheel is arranged at the bottom of the top disk 20, the front end of the crankshaft of the cleaning motor 16 is fixed at the center of the bottom of the top plate 20, and a matching wheel 21 is rotatably arranged between the rotary ring 171 and the crankshaft.

Specifically, the meshing wheel 19 is sleeved on a machine shaft of the cleaning motor 16, the cleaning motor 16 is a reciprocating motor, the machine shaft rotates for 45 degrees and then rotates reversely to clean the device, the outer edge of the matching wheel 21 is meshed with the outer edge of the meshing wheel 19, and the inner edge of the rotating ring 171 is meshed with the outer edge of the matching wheel 21.

Specifically, inlay on the inboard side of clearance pole 17 and establish and install clearance pad 18, clearance pad 18 can conveniently carry out fine clearance to protective housing 13 and filter screen, guarantees that whole has a good clearance effect, clearance pad 18 laminates on the outside edge of filter screen 14.

Specifically, the positioning ring is fixed at the bottom of the top plate 20 and can play a role in auxiliary positioning, the positioning groove for installing the positioning ring is formed in the top of the rotating ring 171, and the positioning ring is arranged in the positioning groove.

Theory of operation, this gas leakage alarm, start clearance motor 16, clearance motor 16 drives top dish 20 when rotating and rotates, and the spindle rotates and then makes meshing wheel 19 rotate when top dish 20 pivoted, meshing wheel 19 meshes with cooperation wheel 21, and then make cooperation wheel 21 rotate, thereby make change 171 rotate, drive clearance pole 17 when change 171 rotates and rotate, and then make clearance pad 18 remove, thereby carry out fine clearance to filter screen 14 outside limit impurity, through the reciprocal rotation of clearance motor 16, and then clear up filter screen 14 outside limit through clearance pole 17.

Example 2: when the alarm needs to be disassembled, the utility model provides a gas leakage alarm shown in fig. 1 and 2, which comprises a mounting ring 2, a fixed disk 4 mounted on the mounting ring 2 and a protective shell 13 mounted on the fixed disk 4 and used for protection, wherein the mounting disk 1 is integrally formed and fixed at the outer edge of the bottom of the mounting ring 2, a clamping structure 7 for assisting fastening is arranged on the inner side edge of the fixed disk 4, a matching ring 5 is integrally formed and fixed at the top of the fixed disk 4, a detector 6 for assisting detection is arranged at the top of the fixed disk 4 and inside the matching ring 5, the type of the detector 6 is HD3100, and the gas leakage alarm can be used but is not limited to the type.

Specifically, joint structure 7 is including the grafting piece 12 that is used for pegging graft and rotating the driving plate 9 that sets up in fixed disk 4 inside, joint structure 7 can conveniently carry out quick effectual dismantlement processing after detector 6 damages, need spend longer time to dismantle after avoiding appearing detector 6 damages, has improved holistic maintenance efficiency, wear to establish on the grafting piece 12 and install threaded rod 11, threaded rod 11 is close to the center department of fixed disk 4 and all is fixed with drive wheel 10, the laminating of drive wheel 10 top is in driving plate 9 bottom department, and the transmission between drive wheel 10 and the driving plate is similar with the transmission between bevel gear and the bevel gear ring, driving plate 9 top department vertical fixation has the bull stick 8 that drives driving plate 9 pivoted.

Specifically, the transmission plate 9 is meshed with the transmission wheel 10, the threaded rods 11 are in threaded fit with the insertion blocks 12, the spiral directions of the plurality of threaded rods 11 are the same, the top of the fixed disc 4 is provided with an arc-shaped sliding groove for the rotating rod 8 to slide, and the inner side edge of the mounting ring 2 is provided with an insertion groove 3 which is in fit insertion with the insertion blocks 12.

Theory of operation, this gas leakage alarm, corotation bull stick 8, the bull stick 8 drives driving plate 9 when rotating and rotates, meshing between driving plate 9 and the drive wheel 10, and then make drive wheel 10 rotate to make threaded rod 11 rotate, screw-thread fit between threaded rod 11 and the grafting piece 12, and then make the grafting piece 12 stretch out, thereby peg graft and install on inserting groove 3.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a gas leakage alarm, includes collar (2), install fixed disk (4) on collar (2) and installation fixed disk (4) on be used for protective housing (13), its characterized in that: the inner side edge of the fixed disc (4) is provided with a clamping structure (7) for auxiliary fastening, the top of the fixed disc (4) is integrally formed and fixed with a matching ring (5), a detector (6) for auxiliary detection is arranged at the top of the fixed disc (4) and inside the matching ring (5), the matching ring (5) is provided with a protective shell (13), the outer side edge of the protective shell (13) is embedded with a filter screen (14), and the filter screen (14) is provided with a cleaning structure (15) for auxiliary cleaning;

clearance structure (15) are including clearance pole (17) and supplementary clearance pole (17) pivoted cleaning motor (16) that are used for the clearance, filter screen (14) top is rotated and is inlayed and is installed swivel (171), swivel (171) top department rotates and is provided with top plate (20), clearance pole (17) are provided with four, and the symmetry is fixed respectively on swivel (171) and top plate (20), the spindle front end of cleaning motor (16) is fixed in top plate (20) bottom center department, it is provided with cooperation wheel (21) to rotate between swivel (171) and the spindle.

2. A gas leak alarm according to claim 1, characterised in that: the machine shaft of the cleaning motor (16) is sleeved with a meshing wheel (19), the outer edge of the matching wheel (21) is meshed with the outer edge of the meshing wheel (19), and the inner edge of the rotating ring (171) is meshed with the outer edge of the matching wheel (21).

3. A gas leak alarm according to claim 1, characterised in that: the inner side of the cleaning rod (17) is embedded with a cleaning pad (18), and the cleaning pad (18) is attached to the outer side of the filter screen (14).

4. A gas leak alarm according to claim 1, characterised in that: the top disc (20) is fixed with a positioning ring at the bottom, a positioning groove for mounting the positioning ring is formed in the top of the rotating ring (171), and the positioning ring is arranged in the positioning groove.

5. A gas leak alarm according to claim 1, characterised in that: joint structure (7) are including being used for grafting piece (12) and rotate and set up driving plate (9) inside fixed disk (4), wear to establish on grafting piece (12) and install threaded rod (11), threaded rod (11) are close to the center department of fixed disk (4) and all are fixed with drive wheel (10), laminating in driving plate (9) bottom department at drive wheel (10) top, driving plate (9) top department vertical fixation has drive driving plate (9) pivoted bull stick (8).

6. A gas leak alarm according to claim 5, characterised in that: the transmission plate (9) is meshed with the transmission wheel (10), the threaded rod (11) is in threaded fit with the insertion block (12), the top of the fixed disc (4) is provided with an arc-shaped sliding groove for the rotating rod (8) to slide, and the inner side edge of the mounting ring (2) is provided with an insertion groove (3) which is in fit insertion with the insertion block (12).