CN109870207A - A kind of gas meter - Google Patents
A kind of gas meter Download PDFInfo
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- CN109870207A CN109870207A CN201910223747.6A CN201910223747A CN109870207A CN 109870207 A CN109870207 A CN 109870207A CN 201910223747 A CN201910223747 A CN 201910223747A CN 109870207 A CN109870207 A CN 109870207A
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- chamber
- fixedly mounted
- air
- driving
- storing cavity
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Abstract
The invention discloses a kind of gas meters, including inlet control mechanism, the inlet control mechanism includes air storing cavity and air intake control valve core, sealing is equipped with sealed elastic diaphragm in the air storing cavity, pressure head is additionally provided in air storing cavity, pressure head, which moves up and down, drives air intake control valve core to be opened and closed, Pneumatic adjusting mechanism is equipped on the downside of the admission gear, passing in and out control mechanism by gas can make the gas of metering inside the same cavity volume, possess common volume, can be convenient measurement volume number, the gas volume used is shown by indication mechanism, its service life lengthens, it will not be used for a long time because of a certain part and inoperable situation occur, instrument itself is set to can detecte leakage by leakage and alarm mechanism, processing leakage, the intensity of instrument can also be made further to be reinforced simultaneously, prevent explosion etc. Safety accident.
Description
Technical field
The present invention relates to the energy to use technical field, specially a kind of gas meter.
Background technique
Combustion gas is also more and more valued by people, combustion gas when in use, uses combustion gas as a kind of new energy
Measuring instrument carries out metering and billing to the combustion gas used, and presently shown gas meter is driven using diaphragm in metering and carried out
Metering, membrane elastic is good, but diaphragm can be made to lose its original original attribute when long-time uses, or make diaphragm
Rupture occurs and causes unmeasurable phenomenon, the gas meter, flow meter used now is typically sealed installation process, but
The phenomenon that there is also leakage will generate one to human body after gas leakage is more although gas leakage will not be poisoned
Fixed influence, when not working in gas meter, air pressure can be increased, if the accuracy of instrument can be made for a long time by working under high pressure
Lower, also can be the original strength reduction of instrument, it is possible to it can need one kind that can prevent from revealing there is a phenomenon where exploding,
It is capable of the gas meter of pre- blast protection.
Summary of the invention
The purpose of the present invention is to provide a kind of gas meters, for overcoming drawbacks described above in the prior art.
A kind of gas meter of embodiment according to the present invention, including inlet control mechanism, the inlet control mechanism packet
Air storing cavity and air intake control valve core are included, sealing is equipped with sealed elastic diaphragm in the air storing cavity, is additionally provided with pressure head in air storing cavity, presses
Head, which moves up and down, drives air intake control valve core to be opened and closed, and Pneumatic adjusting mechanism, the air pressure are equipped on the downside of the admission gear
Regulating mechanism includes adjusting top and adjusting thread bush, and the Pneumatic adjusting mechanism further includes adjusting pressuring knob, turn adjusting pressuring knob
Make adjusting thread bush that adjusting top be pushed to carry out pressure regulation, the pressure regulating device right side is equipped with outlet control mechanism, the mechanism of qi out
Structure includes slipper push chamber and air storing cavity outlet spool, and slipper push is intracavitary to be equipped with sliding pushing block and sliding slider, the gas storage
Air pressure indication mechanism is equipped on the upside of chamber roof, the air pressure indication mechanism includes Pneumatic Transmission sliding block and instruction chamber, is indicated intracavitary
Equipped with instruction transmission spur gear and pointer, it is equipped with tolerance on the downside of the air-out mechanism and shows transmission mechanism, the dreary display passes
Motivation structure includes pushing blade and display driving working chamber, is equipped with worm and worm wheel, the gas in the display driving working chamber
It is equipped with tolerance indication mechanism on the right side of amount display transmission mechanism, the tolerance indication mechanism includes display cavity, is set in the display cavity
There are the first digital display wheel, the second digital display wheel and third digital display wheel, the instrument top of the box is equipped with leakage alarm mechanism, the leakage
Alarm mechanism includes sealing shell and pressure detection switch, and the instrument cabinet right end face is equipped with alarm lamp and buzzer, institute
Stating leakage alarm mechanism further includes control electromagnet.
Further technical solution, the inlet control mechanism include instrument cabinet, and gas storage is equipped in the instrument box body
Chamber, the interior sealing installation sealed elastic diaphragm of the air storing cavity, the air storing cavity downside is equipped with slipper push chamber, the air storing cavity bottom
It is slidably installed between wall and the slipper push chamber roof and comes directly towards slide bar top end surface fixed installation pressure in top described in slide bar
Head, the air storing cavity inner left wall is interior to be equipped with the air inlet control sliding slot being connected with the air storing cavity, and the air inlet controls sliding slot
Upside is equipped with air inlet control chamber, and the air inlet control that is slidably installed between the air inlet control chamber and air inlet control sliding slot pushes away
Air inlet controls connecting rod is fixedly mounted in bar, the pressure head left end face, and the air inlet controls connecting rod and air inlet control push rod are solid
Dingan County's dress, the air inlet, which controls, is fixedly mounted connection pin shaft between the inner wall of push rod front and back, be rotatably assorted peace on the connection pin shaft
Dress stirs curved bar, described to control push rod with the air inlet and be slidably installed, and described to stir curved bar front end face symmetrical above and below solid
Dingan County's dress stirs pin, and the connection pin shaft is upper to stir the first linkage block of installation that is rotatably assorted on front side of curved bar, the company in described
It is located on front side of first linkage block the second linkage block of installation that is rotatably assorted, first linkage block and the second linkage on outbound axis
Be fixedly mounted connecting spring between block, the air storing cavity roof is equipped with the air inlet pipe being connected with the air storing cavity, it is described into
Intratracheally be slidably installed air intake control valve core, and the spool control being connected to is equipped between the air inlet control chamber and the air inlet pipe
System pushes end on the downside of the second linkage block described in sliding slot to be hingedly coupled spool control promotion connecting rod, and the spool control pushes
Connecting rod and the air intake control valve core secure fit are installed.
Further technical solution, Pneumatic adjusting mechanism include the adjusting top being slidably installed on the top slide bar
Head, secure fit installation and adjustment spring between adjusting top and the pressure head, the air storing cavity inner left wall be equipped with
The adjusting that the air storing cavity is connected controls sliding slot, is equipped with pressure regulation on the downside of the adjusting control sliding slot and drives working chamber, the tune
Section control sliding slot bottom wall is equipped with the thread bush sliding slot being connected with the adjusting control sliding slot, sliding in the thread bush sliding slot
It is coupled adjusting thread bush, is rotatably assorted between the pressure regulation driving working chamber and the thread bush sliding slot and thread spindle is installed,
The thread spindle top end is threadedly engaged with the adjusting thread bush, and adjusting top left end face is fixedly connected with adjusting and connects
Bar, the adjusting connecting rod and the adjusting thread bush are fixedly mounted, and pressure regulation transmission cone is fixedly mounted in the thread spindle bottom end face
Gear is rotatably assorted between the pressure regulation driving working chamber inner left wall and the instrument cabinet left end face and installs adjusting pressuring knob
Pressure regulation driving bevel gear, the pressure regulation driving bevel gear and the pressure regulation is fixedly mounted in axis, the adjusting pressuring knob axis right end face
Adjusting pressuring knob is fixedly mounted in drive bevel gear engagement, the adjusting pressuring knob axis left end face.
Further technical solution, the outlet control mechanism include being fixedly mounted on the top slide bar bottom end face
Sliding pushing block, the outlet pipe being connected with the air storing cavity is equipped in the air storing cavity bottom wall, on the left of the outlet pipe
Equipped with blade push chamber admission line, the peace that is slidably matched is sealed between the blade push chamber admission line and the outlet pipe
Air storing cavity outlet spool is filled, it is close between inner wall on the right side of the blade push chamber admission line inner left wall and the slipper push chamber
The envelope sliding block that is slidably installed is slidably connected bar, and the sliding block is slidably connected bar and the blade push chamber admission line is fixed and matched
Close installation, the sliding block be slidably connected bar left end face be fixedly mounted sliding slider, the sliding slider right lateral surface with it is described
Slipper push spring is fixedly mounted on the right side of slipper push chamber between inner wall.
Further technical solution, the air pressure indication mechanism include being arranged in the air storing cavity roof and the gas storage
The Pneumatic Transmission slot that chamber is connected, the interior sealing of the Pneumatic Transmission slot are installed Pneumatic Transmission diaphragm, are slided in the Pneumatic Transmission slot
It is dynamic to be coupled Pneumatic Transmission sliding block, instruction chamber, the instruction chamber and the Pneumatic Transmission are equipped on the right side of the Pneumatic Transmission slot
Be slidably installed sliding block rack gear between slot, and the sliding block rack gear left end face and the Pneumatic Transmission sliding block secure fit are pacified
It fills, is rotatably assorted between inner wall before and after the instruction chamber and needle pivot is installed, secure fit installation instruction transmission on the needle pivot
Spur gear, the sliding block rack gear are engaged with instruction transmission spur gear, and the instruction is located on the needle pivot and is driven straight-tooth
Pointer is fixedly mounted in wheel front side.
Further technical solution, the tolerance show that transmission mechanism includes being arranged in the blade push chamber admission line
Downside, and the blade push chamber being connected with the blade push chamber admission line, the blade push chamber downside are equipped with display
Working chamber is driven, is rotatably assorted installation through the blade push chamber bottom wall between inner wall above and below the display driving working chamber
Sharf, is fixedly mounted in the sharf top end surface and pushes blade, and the sharf is equipped with one section of worm screw, the blade
It is equipped with display cavity on the left of push chamber, installation is rotatably assorted between described blade push chamber or so inner wall on the left of the display cavity
The worm gear shaft of inner wall is fixedly mounted worm gear on the worm gear shaft, engages between the worm gear and the worm screw, and the worm gear shaft is right
Display driving drive rod is fixedly mounted in side, and the first driving swing rod hinged seat is fixedly mounted on rear side of the display cavity on inner wall, described
The first driving swing rod, the display driving drive rod and first driving are hingedly coupled on first driving swing rod hinged seat
Swing rod is slidably matched, and the first driving swing rod top end is hingedly coupled the first driving pawl.
Further technical solution, the tolerance indication mechanism include that secure fit is mounted on the display cavity or so inner wall
Between number display wheel shaft, it is described number display wheel shaft on be rotatably assorted installation the first digital display wheel, it is described number display wheel shaft
Upper be rotatably assorted positioned at the first digital display wheel left end face installs the first driving pawl, and the first driving pawl can be with institute
The ratchet stated on the first driving pawl blocks, and is located at the first digital display wheel right-hand end on the number display wheel shaft and is rotatably assorted
Dingan County fills poke rod, is located on the downside of the number display wheel shaft on inner wall on rear side of the display cavity and the second driving swing rod is fixedly mounted
Hinged seat is hingedly coupled the second driving swing rod on the second driving swing rod hinged seat, on the downside of the second driving swing rod
End is hingedly coupled the second driving pawl, is rotatably assorted between described display cavity or so inner wall and installs middle wheel shaft, described
Secure fit installs the second driving pawl in middle wheel shaft, and the second driving pawl can be by the ratchet on the second driving pawl
It blocks, secure fit on the right side of second driving pawl is located in the middle wheel shaft, the first intermediate gear, the number are installed
It is located on the right side of the first digital display wheel the second digital display wheel of installation that is rotatably assorted on display wheel shaft, is located on the number display wheel shaft
The second digital display wheel left end face, which is rotatably assorted, installs the second digital display wheel drive spur gear, the second digital display wheel drive straight-tooth
Wheel is engaged with first intermediate gear, is located at the second digital display wheel right end face on the number display wheel shaft and is rotatably assorted
Second digital display wheel transmission spur gear is installed, is located on the right side of first intermediate gear in the middle wheel shaft and is rotatably assorted in installation
The second intermediate gear, left side described is symmetrically fixedly mounted on described middle gear connector sleeve or so end face in gear connector sleeve
Two intermediate gears are engaged with the second digital display wheel transmission spur gear, are located at the second digital display wheel on the number display wheel shaft
Right side, which is rotatably assorted, installs third digital display wheel, is located at third digital display wheel left end face rotation on the number display wheel shaft and matches
Installation third digital display wheel drive spur gear is closed, the third digital display wheel drive spur gear is nibbled with right side second intermediate gear
It closes.
Further technical solution, the leakage alarm mechanism includes the sealing for being sealingly mounted at the instrument top of the box
Shell, the instrument box body is interior to be equipped with the instrument outlet pipe being connected with the blade push chamber, the instrument outlet pipe
Exit seal spool chamber is equipped in the outlet pipe of connection, be slidably installed sealed valve core in the exit seal spool chamber,
Sealed valve core spring, the instrument are fixedly mounted between the sealed valve core bottom end face and the exit seal spool chamber bottom wall
Instrument outlet pipe nut, the air inlet pipe of the air inlet pipe connection is fixedly mounted in the outlet pipe top end surface of outlet pipe connection
Air inlet nut is fixedly mounted in road top end surface, and pressure detection switch, the air inlet is fixedly mounted in the instrument cabinet top end surface
The control valve core cavity being connected with the air inlet pipe is equipped between pipe or so inner wall, the control valve core is intracavitary to be slidably installed
Controlling alarm spool is fixedly mounted between the controlling alarm spool left end face and the control valve core cavity inner left wall and pulls
Spring, control permanent magnet is fixedly mounted in the controlling alarm spool right end face, solid in inner wall on the right side of the controlling alarm spool
Dingan County's dress control electromagnet, is fixedly mounted alarm lamp in the instrument cabinet right end face, in the instrument cabinet right end face
Buzzer is fixedly mounted on the downside of the alarm lamp.
The beneficial effects of the present invention are: the configuration of the present invention is simple, easy to operate, passing in and out control mechanism by gas can make
The gas of metering possesses common volume inside the same cavity volume, can be convenient measurement volume number, pass through display machine
The gas volume used is shown that service life is lengthened by structure, will not be used for a long time because of a certain part and occur being unable to work
The case where making makes instrument itself can detecte leakage, processing leakage, while can also make instrument by leakage and alarm mechanism
Intensity is further reinforced, and is prevented the safety accidents such as explosion, is worthy to be popularized.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the direction A-A schematic cross-sectional view in Fig. 1；
Fig. 3 is the direction B-B schematic cross-sectional view in Fig. 1；
Fig. 4 is the enlarged structure schematic diagram in Fig. 1 at C.
Specific embodiment
Below with reference to Fig. 1-4, the present invention is described in detail, for sake of convenience, now such as to hereafter described orientation regulation
Under: hereafter described front-rear direction up and down is consistent with the front-rear direction up and down of Fig. 1 projection relation itself.
Referring to Fig.1-4, a kind of gas meter of embodiment according to the present invention, including inlet control mechanism, the air inlet
Control mechanism includes air storing cavity 143 and air intake control valve core 192, and sealing is equipped with sealed elastic diaphragm in the air storing cavity 143
142, pressure head 141 is additionally provided in air storing cavity 143, pressure head 141, which moves up and down, drives air intake control valve core 192 to be opened and closed, described
Pneumatic adjusting mechanism is equipped on the downside of admission gear, the Pneumatic adjusting mechanism includes that adjusting comes directly towards 147 and adjusts thread bush 150,
The Pneumatic adjusting mechanism further includes adjusting pressuring knob 163, and turn adjusting pressuring knob 163 makes to adjust the promotion adjusting of thread bush 150 top
147 carry out pressure regulation, are equipped with outlet control mechanism on the right side of the pressure regulating device, the air-out mechanism includes 152 He of slipper push chamber
Air storing cavity outlet spool 158, slipper push chamber 152 is interior to be equipped with sliding pushing block 153 and sliding slider 154, and the air storing cavity 143 pushes up
Air pressure indication mechanism is equipped on the upside of wall, the air pressure indication mechanism includes Pneumatic Transmission sliding block 135 and instruction chamber 136, indicates chamber
It is equipped with instruction transmission spur gear 138 and pointer 137 in 136, tolerance is equipped on the downside of the air-out mechanism and shows transmission mechanism, it is described
Dreary display transmission mechanism includes pushing blade 166 and display driving working chamber 169, is set in the display driving working chamber 169
There are worm screw 170 and worm gear 171, the tolerance, which is shown, is equipped with tolerance indication mechanism, the tolerance indication mechanism on the right side of transmission mechanism
Including display cavity 101, it is equipped with the first digital display wheel 116, the second digital display wheel 112 and third digital display wheel 109 in the display cavity 101,
Leakage alarm mechanism is equipped at the top of the instrument cabinet 100, the leakage alarm mechanism includes sealing shell 119 and pressure detecting
Switch 130,100 right end face of instrument cabinet are equipped with alarm lamp 193 and buzzer 194, and the leakage alarm mechanism is also wrapped
Include control electromagnet 131.
Valuably or illustratively, the inlet control mechanism includes instrument cabinet 100, is set in the instrument cabinet 100
There is air storing cavity 143, sealed elastic diaphragm 142 is installed in sealing in the air storing cavity 143, is equipped with sliding block on the downside of the air storing cavity 143
Push chamber 152 is slidably installed between 143 bottom wall of air storing cavity and 152 roof of slipper push chamber and comes directly towards slide bar
Pressure heads 141 are fixedly mounted in 148. 148 top end surfaces of top slide bar, be equipped in 143 inner left wall of air storing cavity with it is described
The air inlet that air storing cavity 143 is connected controls sliding slot 140, is equipped with air inlet control chamber 182, institute on the upside of the air inlet control sliding slot 140
State the air inlet control push rod 181 that is slidably installed between air inlet control chamber 182 and air inlet control sliding slot 140, the pressure head
Air inlet controls connecting rod 144 is fixedly mounted in 141 left end faces, and the air inlet controls connecting rod 144 and air inlet control push rod 181 are solid
Dingan County's dress, the air inlet control and connection pin shaft 189 are fixedly mounted between 181 front and back inner wall of push rod, turn on the connection pin shaft 189
Dynamic be coupled stirs curved bar 183, described to control push rod 181 with the air inlet and be slidably installed, it is described stir curved bar 183 before
Pin 184 is stirred in side end face fixed installation symmetrical above and below, and described stir is located on the connection pin shaft 189 and is rotated on front side of curved bar 183
It is coupled the first linkage block 185, is located on front side of first linkage block 185 installation that is rotatably assorted on the connection pin shaft 189
Connecting spring 187, the storage is fixedly mounted in second linkage block 186 between first linkage block 185 and the second linkage block 186
143 roof of air cavity is equipped with the air inlet pipe 125 being connected with the air storing cavity 143, is slidably installed in the air inlet pipe 125
Air intake control valve core 192 is equipped with the spool control being connected to and pushes cunning between the air inlet control chamber 182 and the air inlet pipe 125
Second linkage block, 186 downside end described in slot 191 is hingedly coupled spool control and pushes connecting rod 188, and the spool control pushes away
Dynamic connecting rod 188 is installed with 192 secure fit of air intake control valve core, thus the band when air inlet control push rod 181 moves upwards
It is dynamic stir the rotation of curved bar 183 and make to stir pin 184 push the first linkage block 185 and the second linkage block 186 to move upwards, the second linkage
Block 186, which moves upwards, makes air intake control valve core 192 that air inlet pipe 125 is opened air inlet.
Valuably or illustratively, Pneumatic adjusting mechanism includes the tune being slidably installed on the top slide bar 148
Section top 147, secure fit installation and adjustment spring 145 between the adjusting top 147 and the pressure head 141, the air storing cavity
143 inner left walls are equipped with the adjusting control sliding slot 200 being connected with the air storing cavity 143, and the adjusting controls under sliding slot 200
Side is equipped with pressure regulation and drives working chamber 164, and adjusting control 200 bottom wall of sliding slot, which is equipped with, controls 200 phase of sliding slot with the adjusting
The thread bush sliding slot 149 of connection is slidably installed in the thread bush sliding slot 149 and adjusts thread bush 150, the pressure regulation driving
Be rotatably assorted between working chamber 164 and the thread bush sliding slot 149 and thread spindle 151 be installed, 151 top end of thread spindle with
The adjusting thread bush 150 is threadedly engaged, and the adjusting comes directly towards 147 left end faces and is fixedly connected with adjusting connecting rod 146, the adjusting
Connecting rod 146 and the adjusting thread bush 150 are fixedly mounted, and pressure regulation transmission cone tooth is fixedly mounted in 151 bottom end face of thread spindle
Wheel 160, be rotatably assorted installation between pressure regulation driving 164 inner left wall of working chamber and 100 left end face of instrument cabinet
Pressure regulation driving bevel gear 161, the pressure regulation driving is fixedly mounted in adjusting pressuring knob axis 162,162 right end face of adjusting pressuring knob axis
Bevel gear 161 engages with the pressure regulation drive bevel gear 160, and pressure regulation rotation is fixedly mounted in 162 left end face of adjusting pressuring knob axis
Button 163, thus turn adjusting pressuring knob 163, the rotation of adjusting pressuring knob 163 drives pressure regulation driving bevel gear 161 to rotate, pressure regulation driving cone
The rotation of gear 161 drives pressure regulation drive bevel gear 160 to rotate, and the rotation of pressure regulation drive bevel gear 160 drives thread spindle 151 to rotate,
The rotation of thread spindle 151 drives adjusting thread bush 150 to move up and down, and adjusting thread bush 150 moves up and down drive and adjusts 146 He of connecting rod
It adjusts top 147 and moves up and down carry out pressure regulation.
Valuably or illustratively, the outlet control mechanism includes being fixedly mounted on 148 bottom end of top slide bar
Sliding pushing block 153 on face, 143 bottom wall of air storing cavity is interior to be equipped with the outlet pipe 157 being connected with the air storing cavity 143,
On the left of the outlet pipe 157 be equipped with blade push chamber admission line 159, the blade push chamber admission line 159 with it is described
The air storing cavity outlet spool 158 that is slidably installed is sealed between outlet pipe 157, the blade push chamber admission line 159 is left
The sealing sliding block that is slidably installed is slidably connected bar 156 between 152 right side inner wall of side inner wall and the slipper push chamber, the cunning
Be slidably connected bar 156 and 159 secure fit of blade push chamber admission line of block is installed, and the sliding block is slidably connected bar 156
Left end face is fixedly mounted sliding slider 154, in 152 right side of 154 right lateral surface of sliding slider and the slipper push chamber
Slipper push spring 155 is fixedly mounted between wall, so that pushes pressure head 141 to drive top when the air pressure in air storing cavity 143 is larger
Head slide bar 148 moves downward, and top slide bar 148 drives sliding pushing block 153 that air storing cavity outlet spool 158 is pushed to move right progress
It deflates.
Valuably or illustratively, the air pressure indication mechanism include be arranged in 143 roof of air storing cavity with it is described
The Pneumatic Transmission slot 132 that air storing cavity 143 is connected, the interior sealing installation Pneumatic Transmission diaphragm 133 of the Pneumatic Transmission slot 132, institute
The Pneumatic Transmission sliding block 134 that is slidably installed in Pneumatic Transmission slot 132 is stated, instruction chamber is equipped on the right side of the Pneumatic Transmission slot 132
136, be slidably installed sliding block rack gear 135 between the instruction chamber 136 and the Pneumatic Transmission slot 132, the sliding block rack gear
135 left end faces and 134 secure fit of Pneumatic Transmission sliding block are installed, and are rotated and are matched between the 136 front and back inner wall of instruction chamber
Installation needle pivot 139 is closed, secure fit installation instruction transmission spur gear 138, the sliding block rack gear 135 on the needle pivot 139
It engages, is located on the needle pivot 139 fixed on front side of instruction transmission spur gear 138 with instruction transmission spur gear 138
Pointer 137 is installed, to will push 134 left side of sliding block rack gear 135 and air pressure driving block when adjusting the air pressure in air storing cavity 143
Right sliding, sliding block rack gear 135, which horizontally slips, drives instruction transmission spur gear 138 to rotate, and instruction is driven the rotation of spur gear 138 and drives
The rotation instruction air pressure size of pointer 137.
Valuably or illustratively, the tolerance shows that transmission mechanism includes being arranged in the blade push chamber admission line
159 downsides, and the blade push chamber 165 being connected with the blade push chamber admission line 159, the blade push chamber 165
Downside is equipped with display driving working chamber 169, is rotatably assorted installation through institute between display driving about 169 inner wall of working chamber
The sharf 167 of 165 bottom wall of blade push chamber is stated, is fixedly mounted in 167 top end surface of sharf and pushes blade 166, institute
It states sharf 167 and is equipped with one section of worm screw 170, display cavity 101 is equipped on the left of the blade push chamber 165, the blade pushes
The installation that is rotatably assorted between 165 or so inner wall of chamber runs through the worm gear shaft 172 of 101 inner left wall of display cavity, the worm gear shaft
Worm gear 171 is fixedly mounted on 172, is engaged between the worm gear 171 and the worm screw 170, fixed peace on the right side of the worm gear shaft 172
Dress display drives drive rod 177, and the first driving swing rod hinged seat 176 is fixedly mounted on the 101 rear side inner wall of display cavity, described
The first driving swing rod 174, the display driving drive rod 177 and institute are hingedly coupled on first driving swing rod hinged seat 176
It states the first driving swing rod 174 to be slidably matched, the first driving 174 top end of swing rod is hingedly coupled the first driving pawl
173, so that air-flow, which drives, pushes blade 166 to rotate after air storing cavity outlet spool 158 is opened and deflated, blade 166 is pushed to rotate
Worm screw 170 is driven to rotate, the rotation of worm screw 170 drives worm gear 171 to rotate, and the rotation of worm gear 171 drives 177 turns of drive rod of display driving
Dynamic, the display driving rotation of drive rod 177 drives the first driving swing rod 174 to swing.
Valuably or illustratively, the tolerance indication mechanism includes that secure fit is mounted on the display cavity 101 or so
Number display wheel shaft 108 between inner wall, the number shows the first digital display wheel 116 of installation that is rotatably assorted on wheel shaft 108, described
It is rotatably assorted on number display wheel shaft 108 positioned at 116 left end face of the first digital display wheel and the first driving pawl 175, institute is installed
Stating the first driving pawl 173 can block with the ratchet on first driving pawl 175, on the number display wheel shaft 108
It is rotatably assorted Dingan County's dress poke rod 115 positioned at 116 right-hand end of the first digital display wheel, the 101 rear side inner wall of display cavity is upper
The second driving swing rod hinged seat 117, the second driving swing rod hinged seat are fixedly mounted on the downside of the number display wheel shaft 108
The second driving swing rod 114 is hingedly coupled on 117, second driving, 114 downside end of swing rod is hingedly coupled second
Pawl 180 is driven, is rotatably assorted between 101 or so the inner wall of display cavity and middle wheel shaft 102 is installed, the middle wheel shaft 102
Upper secure fit installs the second driving pawl 103, and the second driving pawl 180 can be by the spine on the second driving pawl 103
Tooth blocks, and the 103 right side secure fit of the second driving pawl is located in the middle wheel shaft 102 and installs the first intermediate gear
104, the number, which is shown, is located on the right side of the first digital display wheel 116 the second digital display wheel 112 of installation that is rotatably assorted on wheel shaft 108,
It is rotatably assorted on the number display wheel shaft 108 positioned at 112 left end face of the second digital display wheel and the second digital display wheel drive is installed
Spur gear 113, the second digital display wheel drive spur gear 113 are engaged with first intermediate gear 104, the number display wheel
It is rotatably assorted on axis 108 positioned at 112 right end face of the second digital display wheel and the second digital display wheel transmission spur gear 111 is installed, it is described
It is located to be rotatably assorted on the right side of first intermediate gear 104 in middle wheel shaft 102 and middle gear connector sleeve 107 is installed, the middle tooth
The second intermediate gear 105, left side second intermediate gear 105 is symmetrically fixedly mounted on 107 or so end face of connector sleeve in wheel
It is engaged with the second digital display wheel transmission spur gear 111, is located at the second digital display wheel 112 on the number display wheel shaft 108
Right side, which is rotatably assorted, installs third digital display wheel 109, and 109 left side of third digital display wheel is located on the number display wheel shaft 108
End face, which is rotatably assorted, installs third digital display wheel drive spur gear 110, described in the third digital display wheel drive spur gear 110 and right side
Second intermediate gear 105 engagement, so that the first driving swing of swing rod 174 makes the first driving pawl 173 push the first driving pawl
175 rotations, one circle of the first driving pawl 175 rotation drive the second driving swing rod 114 to swing later, and the second driving swing rod 114 is put
It is dynamic that the second driving pawl 180 is driven to push the second driving pawl 103 and the rotation of the first intermediate gear 104, the first intermediate gear 104
Rotation drives the rotation of the second digital display wheel 112, and the rotation of the second digital display wheel 112 drives the rotation of the second intermediate gear 105, the second center tooth
The gear ratio of wheel 105 and third digital display wheel drive spur gear 110 is 10:1, and the rotation of the second intermediate gear 105 drives third digital display
109 rotation of wheel, the combustion gas volume after using are shown.
Valuably or illustratively, the leakage alarm mechanism includes being sealingly mounted at 100 top of instrument cabinet
Sealing shell 119, the instrument cabinet 100 is interior to be equipped with the instrument outlet pipe 168 being connected with the blade push chamber 165,
Exit seal spool chamber 120, the exit seal spool chamber are equipped in the outlet pipe that the instrument outlet pipe 168 connects
Be slidably installed sealed valve core 121 in 120,121 bottom end face of sealed valve core and 120 bottom of exit seal spool chamber
Sealed valve core spring 122 is fixedly mounted between wall, the fixed peace of the outlet pipe top end surface that the instrument outlet pipe 168 connects
Instrument outlet pipe nut 123 is filled, air inlet nut 124 is fixedly mounted in the admission line top end surface that the air inlet pipe 125 connects,
Pressure detection switch 130 is fixedly mounted in 100 top end surface of instrument cabinet, is equipped between 125 or so the inner wall of air inlet pipe
The control valve core cavity 126 being connected with the air inlet pipe 125, be slidably installed in the control valve core cavity 126 controlling alarm
Spool 128 is fixedly mounted between 128 left end face of controlling alarm spool and 126 inner left wall of control valve core cavity and draws
It moves spring 127, control permanent magnet 129, the controlling alarm spool is fixedly mounted in 128 right end face of controlling alarm spool
Control electromagnet 131 is fixedly mounted in 128 right side inner walls, alarm lamp is fixedly mounted in 100 right end face of instrument cabinet
193, it is located on the downside of the alarm lamp 193 in 100 right end face of instrument cabinet and buzzer 194 is fixedly mounted, thus when wants
When using combustion gas, pipeline, which opens sealed valve core 121 downwards, makes gas come out use, the pressure detection switch when gas leakage occurs
130 detect that triggering control electromagnet 131 actuation control permanent magnet 129 closes air inlet pipe 125 when air pressure becomes larger, while making to report
Warning lamp 193 is bright, and buzzer 194 makes a sound alarm.
When use: this instrument being connected in gas circuit, combustion gas enters in air storing cavity 143, when air storing cavity 143
When interior air pressure increases, pressure head 141 drives air intake control valve core 192 to close admission line, while by air storing cavity outlet spool
158 opening gases, which enter in display driving working chamber 169, pushes blade 166 to rotate, and the rotation of blade 166 is pushed to drive snail
Bar 170 and worm gear 171 rotate, and the rotation of worm gear 171 drives the rotation of the first digital display wheel 116, and the rotation of the first digital display wheel 116 drives second
Digital display wheel 112 rotates, and the rotation of the second digital display wheel 112 drives third digital display wheel 109 to rotate, so that the tolerance used be shown
Come, is moved up and down by adjusting the adjustable top 147 of adjusting pressuring knob 163, to adjust the air pressure in air storing cavity 143, gas storage
Air pressure in chamber 143 will push Pneumatic Transmission sliding block 135 and horizontally slip, to make 138 turns of spur gear of pointer 137 and instruction transmission
Dynamic to show air pressure size, when instrument leaks, sealing shell 119, which can accept the combustion gas of leakage, does not allow it to expand
It dissipates, triggering control electromagnet 131 is by inlet close after when leaking more, pressure detection switch 130 is detected, and makes to alarm
Lamp 193 flashes, and buzzer 194 makes a sound, and reminds staff's processing.
The beneficial effects of the present invention are: the configuration of the present invention is simple, easy to operate, passing in and out control mechanism by gas can make
The gas of metering possesses common volume inside the same cavity volume, can be convenient measurement volume number, pass through display machine
The gas volume used is shown that service life is lengthened by structure, will not be used for a long time because of a certain part and occur being unable to work
The case where making makes instrument itself can detecte leakage, processing leakage, while can also make instrument by leakage and alarm mechanism
Intensity is further reinforced, and is prevented the safety accidents such as explosion, is worthy to be popularized.
Those skilled in the art can define, can in the case of not departing from overall spirit of the invention and design
To make the various modifications for above embodiments.It falls within the scope of protection of the present invention.Protection scheme of the invention
It is subject to claims appended hereto.
Claims (8)
1. a kind of gas meter, including inlet control mechanism, it is characterised in that: the inlet control mechanism include air storing cavity and into
Gas control valve core, the interior sealing of the air storing cavity are equipped with sealed elastic diaphragm, are additionally provided with pressure head in air storing cavity, pressure head moves up and down band
Dynamic air intake control valve core is opened and closed, and Pneumatic adjusting mechanism is equipped on the downside of the admission gear, and the Pneumatic adjusting mechanism includes
It adjusts top and adjusts thread bush, the Pneumatic adjusting mechanism further includes adjusting pressuring knob, and turn adjusting pressuring knob makes to adjust thread bush
It pushes and adjusts top progress pressure regulation, be equipped with outlet control mechanism on the right side of the pressure regulating device, the air-out mechanism includes that sliding block pushes away
Dynamic chamber and air storing cavity outlet spool, slipper push is intracavitary to be equipped with sliding pushing block and sliding slider, sets on the upside of the air storing cavity roof
There is air pressure indication mechanism, the air pressure indication mechanism includes Pneumatic Transmission sliding block and instruction chamber, indicates that intracavitary be equipped with indicates transmission
Spur gear and pointer, the air-out mechanism downside are equipped with tolerance and show that transmission mechanism, the dreary display transmission mechanism include pushing away
Movable vane piece and display driving working chamber, the display driving working chamber is interior to be equipped with worm and worm wheel, and the tolerance shows driver
Tolerance indication mechanism is equipped on the right side of structure, the tolerance indication mechanism includes display cavity, the first digital display wheel is equipped in the display cavity,
Second digital display wheel and third digital display wheel, the instrument top of the box are equipped with leakage alarm mechanism, and the leakage alarm mechanism includes
Sealing shell and pressure detection switch, the instrument cabinet right end face are equipped with alarm lamp and buzzer, the leakage alarm machine
Structure further includes control electromagnet.
2. a kind of gas meter according to claim 1, it is characterised in that: the inlet control mechanism includes instrument box
Body, the instrument box body is interior to be equipped with air storing cavity, and sealing installation sealed elastic diaphragm in the air storing cavity, the air storing cavity downside is set
There is slipper push chamber, is slidably installed and is come directly towards described in slide bar between the air storing cavity bottom wall and the slipper push chamber roof
It comes directly towards slide bar top end surface and pressure head is fixedly mounted, be equipped with the air inlet being connected with the air storing cavity in the air storing cavity inner left wall
Sliding slot is controlled, air inlet control chamber is equipped on the upside of the air inlet control sliding slot, the air inlet control chamber and the air inlet control sliding slot
Between be slidably installed air inlet control push rod, air inlet controls connecting rod, the air inlet control is fixedly mounted in the pressure head left end face
Connecting rod processed and air inlet control push rod are fixedly mounted, and connecting pin is fixedly mounted between inner wall before and after the air inlet control push rod
Axis, curved bar is stirred in the installation that is rotatably assorted on the connection pin shaft, described to be slidably installed with air inlet control push rod, described
It stirs the fixed installation symmetrical above and below of curved bar front end face and stirs pin, the connection pin shaft is upper to stir rotation on front side of curved bar in described
It is coupled the first linkage block, upper the second linkage of installation that is rotatably assorted on front side of first linkage block of the connection pin shaft
Block, is fixedly mounted connecting spring between first linkage block and the second linkage block, the air storing cavity roof be equipped with it is described
The air inlet pipe that air storing cavity is connected, be slidably installed in the air inlet pipe air intake control valve core, the air inlet control chamber and institute
Stating the spool control for being equipped with and being connected between air inlet pipe pushes end on the downside of the second linkage block described in sliding slot to be hingedly coupled spool
Control pushes connecting rod, and the spool control pushes connecting rod and the air intake control valve core secure fit to install.
3. a kind of gas meter according to claim 1, it is characterised in that: Pneumatic adjusting mechanism includes being slidably installed
Adjusting top on the top slide bar, secure fit installation and adjustment spring between the adjusting top and the pressure head, institute
It states air storing cavity inner left wall and is equipped with the adjusting control sliding slot being connected with the air storing cavity, set on the downside of the adjusting control sliding slot
There is pressure regulation to drive working chamber, the adjusting control sliding slot bottom wall is equipped with the thread bush being connected with the adjusting control sliding slot and slides
Slot is slidably installed in the thread bush sliding slot and adjusts thread bush, the pressure regulation driving working chamber and the thread bush sliding slot
Between be rotatably assorted thread spindle be installed, the thread spindle top end is threadedly engaged with the adjusting thread bush, the adjusting top
Head left end face is fixedly connected with adjusting connecting rod, and the adjusting connecting rod and the adjusting thread bush are fixedly mounted, the thread spindle bottom
Pressure regulation drive bevel gear, the pressure regulation driving working chamber inner left wall and the instrument cabinet left end face is fixedly mounted in end surface
Between be rotatably assorted adjusting pressuring knob axis be installed, pressure regulation driving bevel gear is fixedly mounted in the adjusting pressuring knob axis right end face, described
Pressure regulation driving bevel gear is engaged with the pressure regulation drive bevel gear, and pressure regulation rotation is fixedly mounted in the adjusting pressuring knob axis left end face
Button.
4. a kind of gas meter according to claim 1, it is characterised in that: the outlet control mechanism includes being fixedly mounted
Sliding pushing block on the top slide bar bottom end face, the air storing cavity bottom wall is interior to be gone out equipped with what is be connected with the air storing cavity
Feed channel, is equipped with blade push chamber admission line on the left of the outlet pipe, the blade push chamber admission line and it is described go out
Sealing is slidably installed air storing cavity outlet spool between feed channel, the blade push chamber admission line inner left wall with it is described
The sealing sliding block that is slidably installed is slidably connected bar between inner wall on the right side of slipper push chamber, the sliding block be slidably connected bar with it is described
Blade push chamber admission line secure fit installation, the sliding block be slidably connected bar left end face be fixedly mounted sliding slider, institute
It states and slipper push spring is fixedly mounted on the right side of sliding slider right lateral surface and the slipper push chamber between inner wall.
5. a kind of gas meter according to claim 1, it is characterised in that: the air pressure indication mechanism includes being arranged in institute
The Pneumatic Transmission slot being connected in air storing cavity roof with the air storing cavity is stated, sealing installation Pneumatic Transmission in the Pneumatic Transmission slot
Diaphragm, be slidably installed in the Pneumatic Transmission slot Pneumatic Transmission sliding block, and instruction chamber, institute are equipped on the right side of the Pneumatic Transmission slot
State be slidably installed between instruction chamber and the Pneumatic Transmission slot sliding block rack gear, the sliding block rack gear left end face and the gas
The installation of driving block secure fit is pressed, is rotatably assorted between inner wall before and after the instruction chamber and needle pivot is installed, on the needle pivot
Secure fit installation instruction transmission spur gear, the sliding block rack gear is engaged with instruction transmission spur gear, on the needle pivot
Pointer is fixedly mounted on front side of instruction transmission spur gear.
6. a kind of gas meter according to claim 1, it is characterised in that: the tolerance shows that transmission mechanism includes setting
On the downside of the blade push chamber admission line, and the blade push chamber being connected with the blade push chamber admission line, institute
It states blade push chamber downside and is equipped with display driving working chamber, be rotatably assorted between inner wall installation above and below the display driving working chamber
Through the sharf of the blade push chamber bottom wall, it is fixedly mounted in the sharf top end surface and pushes blade, the blade
Axis is equipped with one section of worm screw, and display cavity is equipped on the left of the blade push chamber, is rotated between described blade push chamber or so inner wall
It is coupled the worm gear shaft through the display cavity inner left wall, worm gear, the worm gear and institute is fixedly mounted on the worm gear shaft
It states and is engaged between worm screw, display driving drive rod is fixedly mounted on the right side of the worm gear shaft, it is fixed on inner wall on rear side of the display cavity
Installation first drives swing rod hinged seat, is hingedly coupled the first driving swing rod on the first driving swing rod hinged seat, described
Display driving drive rod is slidably matched with the first driving swing rod, and the first driving swing rod top end is hingedly coupled
First driving pawl.
7. a kind of gas meter according to claim 1, it is characterised in that: the tolerance indication mechanism includes secure fit
The number display wheel shaft being mounted between the display cavity or so inner wall, the number show the installation first that is rotatably assorted on wheel shaft
Digital display wheel, the number, which shows to be rotatably assorted on wheel shaft positioned at the first digital display wheel left end face, installs the first driving pawl,
The first driving pawl can be blocked with the ratchet on first driving pawl, be located on the number display wheel shaft described
First digital display wheel right-hand end is rotatably assorted Dingan County's dress poke rod, is located at the number on inner wall on rear side of the display cavity and shows wheel shaft
The second driving swing rod hinged seat is fixedly mounted in downside, is hingedly coupled the second driving pendulum on the second driving swing rod hinged seat
Bar, the second driving swing rod downside end are hingedly coupled the second driving pawl, turn between described display cavity or so inner wall
Dynamic to be coupled middle wheel shaft, secure fit installs the second driving pawl in the middle wheel shaft, and the second driving pawl can
It is located at secure fit peace on the right side of second driving pawl to block the ratchet on the second driving pawl, in the middle wheel shaft
The first intermediate gear is filled, is located on the right side of the first digital display wheel the second digital display of installation that is rotatably assorted on the number display wheel shaft
Wheel, the number, which shows to be rotatably assorted on wheel shaft positioned at the second digital display wheel left end face, installs the second digital display wheel drive straight-tooth
Wheel, the second digital display wheel drive spur gear are engaged with first intermediate gear, are located on the number display wheel shaft described
Second digital display wheel right end face, which is rotatably assorted, installs the second digital display wheel transmission spur gear, is located at described first in the middle wheel shaft
It is rotatably assorted on the right side of intermediate gear and middle gear connector sleeve is installed, it is symmetrically fixed on described middle gear connector sleeve or so end face to pacify
The second intermediate gear is filled, left side second intermediate gear is engaged with the second digital display wheel transmission spur gear, and the number is aobvious
Show to be located to be rotatably assorted on the right side of the second digital display wheel on wheel shaft and third digital display wheel is installed, is located at institute on the number display wheel shaft
It states third digital display wheel left end face and is rotatably assorted and third digital display wheel drive spur gear is installed, the third digital display wheel drive spur gear
It is engaged with right side second intermediate gear.
8. a kind of gas meter according to claim 1, it is characterised in that: the leakage alarm mechanism includes sealing installation
Sealing shell in the instrument top of the box, the interior instrument being connected with the blade push chamber that is equipped with of the instrument box body go out
Feed channel, the outlet pipe of the instrument outlet pipe connection is interior to be equipped with exit seal spool chamber, the exit seal spool chamber
Inside be slidably installed sealed valve core, fixed peace between the sealed valve core bottom end face and the exit seal spool chamber bottom wall
Sealed valve core spring is filled, instrument outlet pipe spiral shell is fixedly mounted in the outlet pipe top end surface of the instrument outlet pipe connection
Air inlet nut is fixedly mounted in the admission line top end surface of cap, the air inlet pipe connection, and the instrument cabinet top end surface is fixed
Pressure detection switch is installed, is equipped with the control valve core cavity being connected with the air inlet pipe, institute between described air inlet pipe or so inner wall
State the intracavitary controlling alarm spool that is slidably installed of control valve core, the controlling alarm spool left end face and the control valve core
It is fixedly mounted between chamber inner left wall and pulls spring, control permanent magnet, institute is fixedly mounted in the controlling alarm spool right end face
It states and control electromagnet is fixedly mounted on the right side of controlling alarm spool in inner wall, alarm is fixedly mounted in the instrument cabinet right end face
Lamp is located on the downside of the alarm lamp in the instrument cabinet right end face and buzzer is fixedly mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910223747.6A CN109870207B (en) | 2019-03-22 | 2019-03-22 | Gas meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910223747.6A CN109870207B (en) | 2019-03-22 | 2019-03-22 | Gas meter |
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| Publication Number | Publication Date |
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| CN109870207A true CN109870207A (en) | 2019-06-11 |
| CN109870207B CN109870207B (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910223747.6A Active CN109870207B (en) | 2019-03-22 | 2019-03-22 | Gas meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637916A (en) * | 2020-06-09 | 2020-09-08 | 温州够荷科技有限公司 | Equipment for detecting metal screw threads |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2383047Y (en) * | 1999-03-26 | 2000-06-14 | 王佳镛 | Anti-fraudulent use automatic protective gas meter |
| CN101042792A (en) * | 2007-04-26 | 2007-09-26 | 陈为增 | Gas leakage automatic breaking and alarming device |
| CN201463953U (en) * | 2009-07-29 | 2010-05-12 | 重庆前卫仪表厂 | Film type gas meter with dramatic turning volume |
| CN201757204U (en) * | 2009-06-15 | 2011-03-09 | 张珉 | Pipeline gas safety protective valve |
| EP2559975A1 (en) * | 2011-08-17 | 2013-02-20 | Johnson Electric S.A. | Gas meter with integrated gas shut-off valve |
| CN104406649A (en) * | 2014-11-27 | 2015-03-11 | 成都技高科技有限公司 | Camera shooting direct reading gas meter convenient for adjusting levelness |
| CN107796459A (en) * | 2016-08-29 | 2018-03-13 | 重庆瑞力比燃气设备有限责任公司 | A kind of novel intelligent metering gas table that can adjust pressure and temperature |
-
2019
- 2019-03-22 CN CN201910223747.6A patent/CN109870207B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2383047Y (en) * | 1999-03-26 | 2000-06-14 | 王佳镛 | Anti-fraudulent use automatic protective gas meter |
| CN101042792A (en) * | 2007-04-26 | 2007-09-26 | 陈为增 | Gas leakage automatic breaking and alarming device |
| CN201757204U (en) * | 2009-06-15 | 2011-03-09 | 张珉 | Pipeline gas safety protective valve |
| CN201463953U (en) * | 2009-07-29 | 2010-05-12 | 重庆前卫仪表厂 | Film type gas meter with dramatic turning volume |
| EP2559975A1 (en) * | 2011-08-17 | 2013-02-20 | Johnson Electric S.A. | Gas meter with integrated gas shut-off valve |
| US9151653B2 (en) * | 2011-08-17 | 2015-10-06 | Johnson Electric S.A. | Gas meter with integrated gas shut-off valve |
| CN104406649A (en) * | 2014-11-27 | 2015-03-11 | 成都技高科技有限公司 | Camera shooting direct reading gas meter convenient for adjusting levelness |
| CN107796459A (en) * | 2016-08-29 | 2018-03-13 | 重庆瑞力比燃气设备有限责任公司 | A kind of novel intelligent metering gas table that can adjust pressure and temperature |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637916A (en) * | 2020-06-09 | 2020-09-08 | 温州够荷科技有限公司 | Equipment for detecting metal screw threads |
| CN111637916B (en) * | 2020-06-09 | 2021-06-29 | 安徽兰科智能装备有限公司 | Equipment for detecting metal screw threads |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109870207B (en) | 2020-12-04 |
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