CN213365741U - Harmful gas alarm device - Google Patents
Harmful gas alarm device Download PDFInfo
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- CN213365741U CN213365741U CN202022631117.3U CN202022631117U CN213365741U CN 213365741 U CN213365741 U CN 213365741U CN 202022631117 U CN202022631117 U CN 202022631117U CN 213365741 U CN213365741 U CN 213365741U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000004804 winding Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a harmful gas alarm device, which relates to the field of gas detection, and comprises a shell, the inner wall is connected with a clockwork spring behind the shell, the clockwork spring is connected with a rotating shaft, a steel cable is wound on the rotating shaft, the rotating shaft is connected with a crank, the crank is hinged with a connecting rod, the connecting rod is hinged with a swing rod and a slide rod, the slide rod is hinged with a slide block, the bottom of the slide block is provided with a metal bell, the bottom of the shell is connected with a gas detector, the steel cable passes through a connecting frame, a fixed shaft is arranged in the connecting frame, the bottom of the fixed shaft is provided with a connecting block, an electrified coil is wound on the fixed shaft, the connecting block is powered off, the connecting block is driven to move up and down, the steel cable drives the rotating shaft to rotate, the, when the clockwork spring is released, the rotating shaft is driven to rotate reversely, and the metal bell is knocked again.
Description
Technical Field
The utility model relates to a gaseous detection technology field, concretely relates to harmful gas alarm device.
Background
In a specific production workshop, harmful gas is generated when the operation is improper, and danger is caused to workers if the harmful gas is not treated for a long time, so that the problem to be solved is found out in time.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the utility model provides a harmful gas alarm device, when using, it loses the electricity to detect harmful gas delay switch messenger's electrical coil earlier, the fixed axle loses magnetic force, connecting block area cable wire whereabouts, cable wire drive pivot is rotatory, it is rotatory that the winding spring other end drive crank is tightened to pivot one end, the rotatory a week of crank drives the slider and strikes the metal jingle bell twice, the metal jingle bell is sounded to the device by the public address hole, delay switch makes the electrical coil circular telegram afterwards, the fixed axle adsorbs the connecting block, the cable wire is retrieved in the release of clockwork spring and the slider strikes the metal jingle bell once more in the pivot simultaneously, in.
In order to achieve the above object, the utility model provides a following technical scheme: a harmful gas alarm device comprises a shell, a first connecting cavity and a second connecting cavity are arranged in the shell, the inner wall of the back of the first connecting cavity is fixedly connected with a spring barrel, a spring is arranged in the spring barrel, the spring is connected with a rotating shaft, one end of a steel cable is fixedly connected on the rotating shaft, the steel cable is wound on the rotating shaft, the other end of the steel cable is fixed on the inner wall of the first connecting cavity, the rotating shaft is connected to the connecting shaft in the second connecting cavity, the connecting shaft is fixedly and vertically connected with one end of a crank, the other end of the crank is hinged with one end of a connecting rod, the other end of the connecting rod is hinged with a swing rod and one end of a sliding rod, the other end of the swing rod is hinged on the inner wall of the second connecting cavity, the other end of the sliding rod is hinged with a sliding block, a metal bell is arranged at the bottom of the sliding block, and a gas detector is connected to the bottom of the shell.
In a preferred embodiment, a connecting frame is arranged in the first connecting cavity and penetrates through the first connecting cavity, the steel cable penetrates through the connecting frame to be fixed on the inner wall of the first connecting cavity, a connecting groove is formed in the connecting frame, a fixed shaft is arranged at the top inside the connecting frame, a connecting block is arranged at the bottom of the fixed shaft, an electrified coil is wound on the fixed shaft and connected with a time delay switch, and a circular groove is formed in the bottom of the connecting block.
In a preferred embodiment, the second connecting cavity is connected with a second connecting groove, one half of the sliding block and the metal bell are arranged in the second connecting groove, the other half of the sliding block is hinged with the sliding rod, and the metal bell is provided with a large number of sound diffusion holes on the side facing the outside of the shell.
In a preferred embodiment, the connecting rod, the swing rod and the sliding rod are connected in a clearance fit manner by using a pin shaft, the pin shaft is connected with a cotter pin for reinforcing connection, and the crank and the connecting rod are also hinged in a fit manner by using the pin shaft and the cotter pin
In a preferred embodiment, a groove is formed in the inner wall of the spring box body, one end of the spring is fixed in the groove, the rotating shaft and the annular block inside the spring box body form a clamping groove, the other end of the spring is connected in the clamping groove, and two ends of the spring in the clamping groove are both arc-shaped and can prevent the spring from sliding off.
In a preferred embodiment, the tail end of the rotating shaft is connected with a limiting plate, the connecting shaft penetrates through a connecting hole in the shell to connect the first connecting cavity and the second connecting cavity, and the crank is fixed by the rotating shaft.
In a preferred embodiment, the crank, the connecting rod, the oscillating rod, the sliding rod and the sliding block form a six-rod crank toggle rod mechanism, the crank is a driving part of the mechanism, and when an included angle between the rocker and a vertical line is small, namely the mechanism just drives the sliding block to move, a large mechanical gain can be obtained.
The utility model discloses a technological effect and advantage:
1. specific harmful gas is detected through a gas detector, when the harmful gas is detected, a delay switch firstly enables an electrified coil to be powered off, the electrified coil is powered off to enable a fixed shaft to lose magnetic force, a connecting block falls in a connecting frame, a circular groove at the bottom of the connecting block enables a steel cable to fall along with the connecting block, the falling of the steel cable pulls a rotating shaft to rotate, the rotating shaft rotates to drive a spring to tighten up and simultaneously drive a connecting shaft to rotate, the connecting shaft rotates to drive a crank to rotate, the crank rotates to drive a hinged connecting rod to push a swing rod and a sliding rod, a sliding block moves up and down to strike a metal bell, the metal bell sounds out of the device through a sound amplifying hole, the crank rotates for one circle to drive a sliding block to strike the metal bell twice, then the delay switch enables the electrified coil to be powered on, the alarm circulation is completed, and compared with the prior art, the alarm device has the advantages of timely alarming when harmful gas leaks and few driving mechanisms.
2. The six-rod crank toggle mechanism is composed of the crank, the connecting rod, the swing rod, the rocker and the sliding block, the crank is driven by the gear to be a driving part, the included angle between the swing rod and the plumb line is smaller when the mechanism just drives the sliding block to move, meanwhile, the plumb line of the rocker and the plumb line is shorter, namely, the force arm is shorter, so that the crank can overcome great production resistance by using small force, great mechanical gain is obtained, and compared with the prior art, the six-rod crank toggle mechanism has the advantage of saving driving force.
Drawings
Fig. 1 is a top partial cross-sectional view of the present invention;
FIG. 2 is a sectional view taken along the line A-B of the present invention;
FIG. 3 is a cross-sectional view taken along line C-D of the present invention;
FIG. 4 is a cross-sectional view taken along line E-F of the present invention;
FIG. 5 is a sectional view taken along line H-I of the present invention;
fig. 6 is a sectional view of the barrel of the present invention;
fig. 7 is a left side view of the present invention.
The reference signs are: 1. the spring comprises a shell, 2, a first connecting cavity, 3, a second connecting cavity, 4, a spring barrel, 5, a spring, 6, a rotating shaft, 7, a steel cable, 8, a connecting shaft, 9, a crank, 10, a connecting rod, 11, a swing rod, 12, a sliding rod, 13, a sliding block, 14, a metal bell, 15, a gas detector, 16, a connecting frame, 17, a connecting groove, 18, a connecting block, 19, an electrified coil, 20, a circular groove, 21, a second connecting groove, 22, a sound amplifying hole, 23, a pin shaft, 24, a split pin, 25, a clamping groove and 26, and a fixed shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-7, the utility model provides a harmful gas alarm device, which comprises a housing 1, a first connecting cavity 2 and a second connecting cavity 3 are arranged inside the housing 1, the inner wall of the rear of the first connecting cavity 2 is fixedly connected with a spring barrel 4, a spring 5 is arranged in the spring barrel 4, the spring 5 is connected with a rotating shaft 6, one end of a steel cable 7 is fixedly connected on the rotating shaft 6, the steel cable 7 is wound on the rotating shaft 6, the other end of the steel cable 7 is fixed on the inner wall of the first connecting cavity 2, the rotating shaft 6 is connected to a connecting shaft 8 in the second connecting cavity 3, the connecting shaft 8 is fixedly and vertically connected with one end of a crank 9, the other end of the crank 9 is hinged with one end of a connecting rod 10, the other end of the connecting rod 10 is hinged with one end of a swing rod 11 and a slide rod 12, the other end of, the other end of the sliding rod 12 is hinged with a sliding block 13, the bottom of the sliding block 13 is provided with a metal bell 14, and the bottom of the shell 1 is connected with a gas detector 15.
Be equipped with the splice frame 16 in the first connection cavity 2, the splice frame 16 passes first connection cavity 2, cable wire 7 passes splice frame 16 and fixes on first connection cavity 2 inner wall, be equipped with spread groove 17 on the splice frame 16, the inside top of splice frame 16 is equipped with fixed axle 26, fixed axle 26 bottom is equipped with connecting block 18, the winding has electrical coil 19 on the fixed axle 26, electrical coil 19 connects delay switch, connecting block 18 bottom is equipped with circular recess 20, and electrical coil 19 must lose the electricity and make fixed axle 26 adsorb or release connecting block 18, and circular recess 20 makes connecting block 18 whereabouts in-process drive cable wire 7, and the spread groove 17 does not receive the resistance on splice frame 16 when making cable wire 7 whereabouts.
The second connection cavity 3 is connected with a second connection groove 21, one half of the sliding block 13 and the metal bell 14 are arranged in the second connection groove 21, the other half of the sliding block 13 is hinged with the sliding rod 12, a large number of sound expansion holes 22 are formed in one side, facing the outer portion of the shell 1, of the metal bell 14, the sliding rod 12 can move left and right without resistance, and the sound expansion holes 22 enable the metal bell 14 to sound out of the device.
The connecting rod 10, the swing rod 11 and the sliding rod 12 are connected in a clearance fit mode through a pin shaft 23, the pin shaft 23 is connected with a split pin 24 for reinforcing connection, the crank 9 and the connecting rod 10 are also hinged in a fit mode through the pin shaft and the split pin, the connecting rod 10, the swing rod 11, the sliding rod 12 and the pin shaft 23 can move in a clearance fit mode, and the split pin 24 enables all mechanisms to be hinged and cannot slide off.
4 inner walls of clockwork spring box body are equipped with the recess, the concave internal fixation has the one end of clockwork spring 5, pivot 6 and 4 inside annular block of clockwork spring box body constitute draw-in groove 25, the other end of clockwork spring 5 is connected in draw-in groove 25, 5 both ends of clockwork spring are the arc in draw-in groove 25 and prevent the landing.
The tail end of the rotating shaft 6 is connected with a limiting plate, the connecting shaft 8 penetrates through an internal connecting hole of the shell 1 to be connected with the first connecting cavity 2 and the second connecting cavity 3, the crank 9 is fixed by the rotating shaft 6, and the limiting plate enables the steel cable 7 on the rotating shaft 6 not to be wound on the connecting shaft 8.
The crank 9, the connecting rod 10, the swing rod 11, the sliding rod 12 and the sliding block 13 form a six-rod crank toggle rod mechanism, the crank 9 is a driving part of the mechanism, when an included angle between the swing rod 11 and a vertical line is small, namely the mechanism just drives the sliding block 8 to move, large mechanical gain can be obtained, and the crank 9 can overcome large production resistance to complete movement of the sliding block 13 by using small force.
The implementation mode is specifically as follows:
when the gas detector 15 detects harmful gas, the delay switch is actuated, the delay switch is firstly switched off to enable the energizing coil 19 to lose power, the energizing coil 19 loses power to enable the fixed shaft 26 to lose magnetic force, the connecting block 18 falls in the connecting frame 16 under the action of self gravity, the circular groove 20 at the bottom of the connecting block 18 enables the steel cable 7 to fall along with the connecting block 18, the steel cable 7 is limited by the circular groove 20, the connecting groove 17 on the connecting frame 16 enables the steel cable 7 to fall without resistance on the connecting frame 16, the falling of the steel cable 7 pulls the rotating shaft 6 to rotate, the rotating shaft 6 rotates to drive the spring 5 to tighten up and simultaneously drive the connecting shaft 8 to rotate, the connecting shaft 8 rotates to drive the crank 9 to rotate, the crank 9 rotates to drive the hinged connecting rod 10 to move, the moving of the connecting rod 10 drives the hinged swing rod 11 and the sliding rod 12 to move together, the moving of the sliding rod 12 drives, the metal bell 14 sounds outwards from the sound expansion hole 22, the crank 9 rotates for a circle to drive the sliding block 13 to knock the metal bell 14 twice, then the delay switch is closed to enable the energizing coil 19 to be energized, the fixed shaft 26 recovers the magnetic force to adsorb the connecting block 18, the clockwork spring 5 releases the rotating shaft 6 in the reverse rotation direction, the steel cable 7 falling along with the connecting block 18 is wound on the rotating shaft 6 again, meanwhile, the crank 9 is driven to rotate again, the sliding block 13 further knocks the metal bell 14 again, and the alarm cycle is completed.
The utility model discloses the theory of operation: referring to fig. 1-7, the connection block 18 is moved up and down by the power-on coil 19, so that the steel cable 7 falls down, the steel cable 7 drives the rotating shaft 6 to rotate, the spring 5 is wound on one end of the rotating shaft 6, the crank 9 is driven to rotate by the other end of the rotating shaft, the crank 9 rotates for a circle to drive the sliding block 13 to strike the metal bell 14 twice, the metal bell 14 emits sound to the outside of the device through the sound-expanding hole 22, and when the spring 5 is released, the rotating shaft 6 is driven to rotate reversely to strike the.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A harmful gas alarm device, includes shell (1), its characterized in that: the spring winding mechanism is characterized in that a first connecting cavity (2) and a second connecting cavity (3) are arranged inside the shell (1), the inner wall of the first connecting cavity (2) is fixedly connected with a spring box (4), a spring (5) is arranged in the spring box (4), the spring (5) is connected with a rotating shaft (6), one end of a steel cable (7) is fixedly connected onto the rotating shaft (6), the steel cable (7) is wound on the rotating shaft (6), the other end of the steel cable (7) is fixed onto the inner wall of the first connecting cavity (2), the rotating shaft (6) is connected onto a connecting shaft (8) in the second connecting cavity (3), the connecting shaft (8) is fixedly and vertically connected with one end of a crank (9), the other end of the crank (9) is hinged with one end of a connecting rod (10), and the other end of the connecting rod (10) is hinged with one end of a swing rod (11) and, the other end of the swing rod (11) is hinged to the inner wall of the second connecting cavity (3), the other end of the slide rod (12) is hinged to a slide block (13), a metal bell (14) is arranged at the bottom of the slide block (13), and a gas detector (15) is connected to the bottom of the shell (1).
2. A harmful gas alarm device according to claim 1, wherein: be equipped with connection frame (16) in first connection cavity (2), connection frame (16) pass first connection cavity (2), cable wire (7) pass connection frame (16) and fix on first connection cavity (2) inner wall, be equipped with spread groove (17) on connection frame (16), the inside top of connection frame (16) is equipped with fixed axle (26), fixed axle (26) bottom is equipped with connecting block (18), the winding has circular electric coil (19) on fixed axle (26), time delay switch is connected to circular electric coil (19), connecting block (18) bottom is equipped with circular recess (20).
3. A harmful gas alarm device according to claim 1, wherein: the second is connected cavity (3) and is connected with second spread groove (21), half and metal jingle bell (14) of slider (13) are in second spread groove (21), slider (13) other half articulates slide bar (12), metal jingle bell (14) are equipped with a large amount of sound amplification holes (22) facing shell (1) outside one side.
4. A harmful gas alarm device according to claim 1, wherein: the connecting rod (10), the swing rod (11) and the sliding rod (12) are connected in a clearance fit mode through a pin shaft (23), the pin shaft (23) is connected with a cotter pin (24) for reinforcing connection, and the crank (9) and the connecting rod (10) are hinged in a matched mode through the pin shaft and the cotter pin.
5. A harmful gas alarm device according to claim 1, wherein: spring barrel (4) inner wall is equipped with the recess, the recess internal fixation has the one end of clockwork spring (5), draw-in groove (25) are constituteed to pivot (6) and the inside ring block of spring barrel (4), the other end of clockwork spring (5) is connected in draw-in groove (25), clockwork spring (5) both ends are the arc in draw-in groove (25) and prevent the landing.
6. A harmful gas alarm device according to claim 1, wherein: the tail end of the rotating shaft (6) is connected with a limiting plate, the connecting shaft (8) penetrates through an inner connecting hole of the shell (1) to be connected with the first connecting cavity (2) and the second connecting cavity (3), and the crank (9) is fixed by the rotating shaft (6).
7. A harmful gas alarm device according to claim 1, wherein: the six-rod crank toggle mechanism is composed of the crank (9), the connecting rod (10), the swing rod (11), the sliding rod (12) and the sliding block (13), the crank (9) is a driving part of the mechanism, and when an included angle between the swing rod (11) and a vertical line is small, namely the mechanism just drives the sliding block (13) to move, large mechanical gain can be obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022631117.3U CN213365741U (en) | 2020-11-14 | 2020-11-14 | Harmful gas alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022631117.3U CN213365741U (en) | 2020-11-14 | 2020-11-14 | Harmful gas alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213365741U true CN213365741U (en) | 2021-06-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022631117.3U Expired - Fee Related CN213365741U (en) | 2020-11-14 | 2020-11-14 | Harmful gas alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213365741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113963499A (en) * | 2021-11-04 | 2022-01-21 | 东莞先进光纤应用技术研究院有限公司 | Optical fiber alarm device and power equipment |
-
2020
- 2020-11-14 CN CN202022631117.3U patent/CN213365741U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113963499A (en) * | 2021-11-04 | 2022-01-21 | 东莞先进光纤应用技术研究院有限公司 | Optical fiber alarm device and power equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211227 Address after: 834000 Building 5, Jinyuan, Bole Road, Dushanzi District, Karamay City, Xinjiang Uygur Autonomous Region Patentee after: XINJIANG XIANDA INTELLIGENT CONTROL TECHNOLOGY Co.,Ltd. Address before: Room 1802, No.84, forest Peninsula street, feicui oasis, Zengcheng District, Guangzhou, Guangdong 510000 Patentee before: Zhao Dongling |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210604 |