CN112694241A - Glass blowpipe device for adjusting air intake of air pump according to air blowing amount - Google Patents

Glass blowpipe device for adjusting air intake of air pump according to air blowing amount Download PDF

Info

Publication number
CN112694241A
CN112694241A CN202110216313.0A CN202110216313A CN112694241A CN 112694241 A CN112694241 A CN 112694241A CN 202110216313 A CN202110216313 A CN 202110216313A CN 112694241 A CN112694241 A CN 112694241A
Authority
CN
China
Prior art keywords
blowing
conversion
air
pipe
pressure relief
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202110216313.0A
Other languages
Chinese (zh)
Inventor
乔文兰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Yingren Building Materials Co ltd
Original Assignee
Shenzhen Yingren Building Materials Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Yingren Building Materials Co ltd filed Critical Shenzhen Yingren Building Materials Co ltd
Priority to CN202110216313.0A priority Critical patent/CN112694241A/en
Publication of CN112694241A publication Critical patent/CN112694241A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B9/00Blowing glass; Production of hollow glass articles
    • C03B9/02Blowing glass; Production of hollow glass articles with the mouth; Auxiliary means therefor
    • C03B9/03Blow pipes
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B9/00Blowing glass; Production of hollow glass articles
    • C03B9/02Blowing glass; Production of hollow glass articles with the mouth; Auxiliary means therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Jet Pumps And Other Pumps (AREA)

Abstract

The invention discloses a glass blowing pipe device for adjusting air intake of an air pump according to air blowing amount, which comprises an air outlet blowing pipe, a middle conversion blowing pipe, a blowing nozzle measuring pipeline and a nozzle blowing pipe, wherein the air outlet blowing pipe is arranged at the lower end of the middle conversion blowing pipe and can rotate at the lower end of the middle conversion blowing pipe, and the nozzle blowing pipe is arranged at the upper end of the middle conversion blowing pipe. The invention enlarges the blowing force of the glass blowing worker by changing the moment, thereby controlling the intensity of the gas pressure in the blowing pipe, realizing the same effect as that of blowing the glass manually, but the blowing force required by the worker is reduced, reducing the working difficulty of the glass blowing worker, simultaneously eliminating the tympanites sequela caused by the excessive force of blowing the glass, and the worker can change the moment according to the vital capacity and habit of the worker and select the blowing force suitable for the worker.

Description

Glass blowpipe device for adjusting air intake of air pump according to air blowing amount
Technical Field
The invention relates to the field of glass manufacturing, in particular to a glass blowing pipe device for adjusting air intake of an air pump according to air blowing amount.
Background
When glass workers blow glass, the blowing glass is blown by the blowing glass in a molten state at the other end of the blowing pipe only by blowing enough air with a great vital capacity, in addition, when the glass workers mould, the blowing pipe is ensured to rotate and the internal air pressure is ensured to prevent the glass from collapsing, the blowing glass is required to have extremely high operation technology, vital capacity and blowing strength, and the long-time sufficient cheek blowing of the workers is used for blowing the glass, so that sequelae are left on the cheeks of the workers blowing the glass one by one, the damage to the body is not only caused, and the difficulty and the painfulness of the blowing glass are also forbidden by a plurality of beginners.
Disclosure of Invention
The invention aims to provide a glass blowpipe device for adjusting air intake of an air pump according to air blowing amount, which can overcome the defects in the prior art and improve the practicability of equipment.
In a preferred embodiment, the air outlet blow pipe, the intermediate conversion blow pipe, the blow nozzle measuring pipe and the nozzle blow pipe are included. The air outlet blow pipe is arranged at the lower end of the middle conversion blow pipe and can rotate at the lower end of the middle conversion blow pipe, the nozzle blow pipe is arranged at the upper end of the middle conversion blow pipe, air can flow between the air outlet blow pipe and the middle conversion blow pipe, air cannot flow between the middle conversion blow pipe and the nozzle blow pipe, and the nozzle measuring pipeline is arranged at the upper end of the nozzle blow pipe.
In a preferred embodiment, a measuring slide rod is installed in the blowing nozzle measuring pipe, and the measuring slide rod can slide up and down in the blowing nozzle measuring pipe.
In a preferred embodiment, a fixed block is installed in the mouth blowing pipe, the fixed block can slide on the mouth blowing pipe, the fixed block is fixedly connected with the measuring slide block rod, the measuring slide block rod can drive the fixed block to move when moving, a rotatable adjusting screw rod is installed at the lower end of the fixed block, a nut mandril is installed on the adjusting screw rod, the nut mandril can be driven to move left and right by the rotation of the adjusting screw rod, an adjusting knob extending to the outer side of the mouth blowing pipe is installed on the mouth blowing pipe located on the upper side of the fixed block, the adjusting knob can rotate on the mouth blowing pipe, the adjusting knob is connected with the adjusting screw rod through a gear mechanism, and the position of the nut mandril on the adjusting screw rod in the left and right directions can be adjusted by rotating the adjusting knob.
In a preferred embodiment, a conversion gear is mounted on the nozzle blowing pipe and can rotate on the nozzle blowing pipe, a conversion connecting rod is mounted at the front end of the conversion gear and can drive the conversion gear to rotate, and under the condition that the conversion connecting rod rotates at the same angle, the closer the position of the nut ejector rod pressed on the conversion connecting rod is, the larger the force required for blowing the measuring slider rod is, so that the adjustment requirement of different people is met.
In a preferred embodiment, the intermediate conversion blow pipe includes a conversion pressure relief groove and an air outlet, a pressure relief detection pipeline is installed between the air outlet and the conversion pressure relief groove, a pressure relief pipeline is installed outside the conversion pressure relief groove and the intermediate conversion blow pipe, a pressure relief valve is installed in the conversion pressure relief groove, the pressure relief valve can slide in the conversion pressure relief groove, in an initial state, the pressure relief valve can seal the communication between the pressure relief detection pipeline and the pressure relief pipeline, a rack slide rod extending into the mouth blow pipe is installed in the pressure relief valve, the conversion gear rotates to drive the rack slide rod to descend, the rack slide rod can slide in the pressure relief valve, a detection spring is installed between the rack slide rod and the pressure relief valve, and in the initial state, the detection spring is in a relaxed state.
In a preferred embodiment, the blowing nozzle is blown into the blowing nozzle measuring pipeline, the measuring slide rod descends to drive the nut ejector rod to descend, the nut ejector rod presses the conversion connecting rod downwards, the conversion connecting rod drives the conversion gear to rotate anticlockwise, the conversion gear rotates to drive the rack slide rod to descend to compress the detection spring, the blowing amount in the blowing nozzle measuring pipeline is different, so that the compression degree of the detection spring is different, and therefore the force of the pressure release valve which wants to move upwards is increased along with the increase of the compression degree of the detection spring.
In a preferred embodiment, an inflation pipeline is arranged between the air outlet hole and an external air pump of the middle conversion blow pipe, a valve rotating shaft penetrating through the inflation pipeline is arranged in the inflation pipeline, a rotating valve is arranged on the valve rotating shaft in the inflation pipeline, the on-off state of the inflation pipeline can be controlled by rotating the rotating valve, a rotating shaft is arranged on the middle conversion blowpipe positioned on the upper side of the valve rotating shaft, the rotating shaft is connected with the valve rotating shaft through a bevel gear, a gear is arranged on the rotating shaft, a rack ejector rod which slides up and down is arranged in the middle conversion blowpipe, the upper end of the rack ejector rod is abutted against the left end of the conversion connecting rod, the rack ejector rod slides down to drive the valve rotating shaft to rotate, thereby drive the rotation valve rotates, consequently when the conversion connecting rod rotates downwards, can drive the rotation valve rotates gradually and opens.
In a preferred embodiment, the rotary valve is opened, through the inflation pipeline way aerify in the gas outlet, can promote when atmospheric pressure reaches a timing the relief valve overcomes detect spring rebound, the relief valve removes, the pressure release detect the pipeline with the circulation of pressure release pipeline will exceed the gas of required atmospheric pressure and pass through the pressure release pipeline is discharged, simultaneously through adjusting detect spring compression degree, can change atmospheric pressure in the gas outlet, blow hard more, the more that the conversion connecting rod rotates, it is bigger to detect spring compression degree, makes the power that the relief valve rises is just bigger, thereby the atmospheric pressure that can exist in the gas outlet is just bigger.
The invention has the beneficial effects that: the invention enlarges the blowing force of the glass blowing worker by changing the moment, thereby controlling the intensity of the gas pressure in the blowing pipe, realizing the same effect as that of blowing the glass manually, but the blowing force required by the worker is reduced, reducing the working difficulty of the glass blowing worker, simultaneously eliminating the tympanites sequela caused by the excessive force of blowing the glass, and the worker can change the moment according to the vital capacity and habit of the worker and select the blowing force suitable for the worker.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view showing the overall structure of a glass blowing tube device for adjusting the air intake of an air pump according to the amount of blown air in accordance with the present invention.
Fig. 2 is an enlarged schematic view of a in fig. 1.
Fig. 3 is an enlarged schematic view of B-B in fig. 2.
Detailed Description
The invention will now be described in detail with reference to fig. 1-3, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The glass blowing pipe device for adjusting air intake of the air pump according to the air blowing amount, which is described in connection with the attached figures 1-3, comprises an air outlet blowing pipe 10, an intermediate conversion blowing pipe 11, a blowing nozzle measuring pipeline 20 and a nozzle blowing pipe 23. The air outlet blow pipe 10 is mounted at the lower end of the intermediate conversion blow pipe 11 and can rotate at the lower end of the intermediate conversion blow pipe 11, the nozzle blow pipe 23 is mounted at the upper end of the intermediate conversion blow pipe 11, air can flow between the air outlet blow pipe 10 and the intermediate conversion blow pipe 11, air cannot flow between the intermediate conversion blow pipe 11 and the nozzle blow pipe 23, and the nozzle measuring pipe 20 is mounted at the upper end of the nozzle blow pipe 23.
A measuring slide rod 19 is arranged in the blowing nozzle measuring pipeline 20, and the measuring slide rod 19 can slide up and down in the blowing nozzle measuring pipeline 20.
A fixed block 18 is arranged in the nozzle blowing pipe 23, the fixed block 18 can slide on the nozzle blowing pipe 23, the fixed block 18 is fixedly connected with the measuring slide block rod 19, the measuring slide block rod 19 can drive the fixed block 18 to move when moving, the lower end of the fixed block 18 is provided with a rotatable adjusting screw rod 22, the adjusting screw rod 22 is provided with a nut mandril 17, the adjusting screw rod 22 rotates to drive the nut mandril 17 to move left and right, an adjusting knob 21 extending to the outer side of the nozzle blowing pipe 23 is arranged on the nozzle blowing pipe 23 positioned on the upper side of the fixed block 18, the adjusting knob 21 can rotate on the mouth blowing pipe 23, the adjusting knob 21 is connected with the adjusting screw rod 22 through a gear mechanism, the position of the nut mandril 17 on the adjusting screw rod 22 in the left-right direction can be adjusted by rotating the adjusting knob 21.
The conversion gear 24 is installed on the nozzle blowing pipe 23, the conversion gear 24 can rotate on the nozzle blowing pipe 23, the conversion connecting rod 16 is installed at the front end of the conversion gear 24, the conversion connecting rod 16 can drive the conversion gear 24 to rotate, and under the condition that the conversion connecting rod 16 rotates at the same angle, the more the position of the nut ejector rod 17 pressing up and down on the conversion connecting rod 16 is adjusted, the closer to the conversion gear 24, the larger the force required for blowing the measurement slider rod 19 is, so that the adjustment can meet the use requirements of different people.
The intermediate conversion blowpipe 11 comprises a conversion pressure relief groove 14 and a gas outlet 12, a pressure relief detection pipeline 29 is arranged between the gas outlet 12 and the conversion pressure relief groove 14, a pressure relief pipeline 28 is arranged outside the conversion pressure relief groove 14 and the intermediate conversion blowpipe 11, a pressure relief valve 27 is arranged in the conversion pressure relief groove 14, the pressure relief valve 27 can slide in the conversion pressure relief groove 14, in an initial state, the pressure relief valve 27 can seal the communication between the pressure relief detection pipeline 29 and the pressure relief pipeline 28, a rack slide rod 25 extending into the mouth blowpipe 23 is arranged in the pressure relief valve 27, the conversion gear 24 rotates to drive the rack slide rod 25 to descend, the rack slide rod 25 can slide in the pressure relief valve 27, a detection spring 26 is arranged between the rack slide rod 25 and the pressure relief valve 27, in the initial state, the detection spring 26 is in a relaxed state.
In one embodiment, by blowing air into the mouthpiece measuring pipe 20, the measuring slider rod 19 descends to drive the nut push rod 17 to descend, the nut push rod 17 depresses the switching link rod 16, the switching link rod 16 drives the switching gear 24 to rotate counterclockwise, the switching gear 24 rotates to drive the rack slide rod 25 to descend to compress the detecting spring 26, the amount of air blown into the mouthpiece measuring pipe 20 is different, so that the compression degree of the detecting spring 26 is different, and therefore, the force of the pressure release valve 27 which wants to move upward is increased as the compression degree of the detecting spring 26 is increased.
As shown in fig. 2, an inflation pipeline 30 is installed between the air outlet 12 and an external air pump of the intermediate conversion blowpipe 11, a valve rotating shaft 32 penetrating through the inflation pipeline 30 is installed in the inflation pipeline 30, a rotating valve 31 is installed on the valve rotating shaft 32 in the inflation pipeline 30, the on-off state of the inflation pipeline 30 can be controlled by rotating the rotating valve 31, a rotating shaft is installed on the intermediate conversion blowpipe 11 located on the upper side of the valve rotating shaft 32, the rotating shaft is connected with the valve rotating shaft 32 through a bevel gear, a gear 33 is installed on the rotating shaft, a rack ejector rod 15 sliding up and down is installed in the intermediate conversion blowpipe 11, the upper end of the rack ejector rod 15 is abutted against the left end of the conversion connecting rod 16, the rack ejector rod 15 sliding down can drive the valve rotating shaft 32 to rotate, so as to drive the rotating valve 31 to rotate, when the conversion connecting rod 16 rotates, the rotary valve 31 can be driven to rotate and open gradually.
The rotary valve 31 is opened, through the gas charging pipeline 30 to aerify in the venthole 12, can promote when atmospheric pressure reaches a timing the relief valve 27 overcomes detect spring 26 moves upwards, the relief valve 27 removes, pressure release detect line 29 with the circulation of pressure release line 28 will exceed the gas of required atmospheric pressure and pass through pressure release line 28 discharges, simultaneously through adjusting detect spring 26 compression degree, can change atmospheric pressure in the venthole 12, it is more powerful to blow, the more pivoted of conversion connecting rod 16, detect spring 26 compression degree is the bigger, makes the power that the relief valve 27 rose just is big, thereby atmospheric pressure that can exist in the venthole 12 just is big more.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (8)

1. A glass blowpipe device for adjusting air intake of an air pump according to air blowing amount comprises an air outlet blowpipe (10), a middle conversion blowpipe (11), a blowing nozzle measuring pipeline (20) and a nozzle blowing blowpipe (23), the air outlet blow pipe (10) is arranged at the lower end of the middle conversion blow pipe (11) and can rotate at the lower end of the middle conversion blow pipe (11), the mouth blowing pipe (23) is arranged at the upper end of the middle conversion blowing pipe (11), gas can flow between the air outlet blowing pipe (10) and the middle conversion blowing pipe (11), gas cannot flow between the intermediate changeover blow pipe (11) and the mouth blow pipe (23), the blowing nozzle measuring pipeline (20) is arranged at the upper end of the blowing nozzle pipe (23), a switching mechanism is arranged in the nozzle blowing pipe (23), and a control mechanism is arranged in the middle switching blowing pipe (11).
2. The glass blowing pipe device for adjusting the air intake of the air pump according to the air blowing amount as set forth in claim 1, wherein: and a measuring slide block rod (19) is arranged in the blowing nozzle measuring pipeline (20), and the measuring slide block rod (19) can slide up and down in the blowing nozzle measuring pipeline (20).
3. The glass blowing pipe device for adjusting the air intake of the air pump according to the air blowing amount as set forth in claim 1, wherein: the automatic blowing device is characterized in that a fixed block (18) is installed in the nozzle blowing pipe (23), the fixed block (18) can slide on the nozzle blowing pipe (23), the fixed block (18) is fixedly connected with the measuring slide block rod (19), the measuring slide block rod (19) can drive the fixed block (18) to move, a rotatable adjusting screw rod (22) is installed at the lower end of the fixed block (18), a nut ejector rod (17) is installed on the adjusting screw rod (22), the adjusting screw rod (22) rotates to drive the nut ejector rod (17) to move left and right, an adjusting knob (21) extending to the outer side of the nozzle blowing pipe (23) is installed on the nozzle blowing pipe (23) located on the upper side of the fixed block (18), and the adjusting knob (21) can rotate on the nozzle blowing pipe (23).
4. The glass blowing pipe device for adjusting the air intake of the air pump according to the air blowing amount as set forth in claim 1, wherein: a conversion gear (24) is installed on the nozzle blowing pipe (23), the conversion gear (24) can rotate on the nozzle blowing pipe (23), a conversion connecting rod (16) is installed at the front end of the conversion gear (24), and the conversion connecting rod (16) can drive the conversion gear (24) to rotate through rotation.
5. The glass blowing pipe device for adjusting the air intake of the air pump according to the air blowing amount as set forth in claim 1, wherein: the middle conversion blow pipe (11) comprises a conversion pressure relief groove (14) and an air outlet hole (12), a pressure relief detection pipeline (29) is arranged between the air outlet hole (12) and the conversion pressure relief groove (14), a pressure relief pipeline (28) is arranged outside the conversion pressure relief groove (14) and the middle conversion blow pipe (11), a pressure relief valve (27) is arranged in the conversion pressure relief groove (14), the pressure relief valve (27) can slide in the conversion pressure relief groove (14), the pressure relief valve (27) can seal the communication between the pressure relief detection pipeline (29) and the pressure relief pipeline (28) in the initial state, a rack slide rod (25) extending into the nozzle blow pipe (23) is arranged in the pressure relief valve (27), the conversion gear (24) rotates to drive the rack slide rod (25) to descend, and the slide rod rack (25) can slide in the pressure relief valve (27), a detection spring (26) is arranged between the rack sliding rod (25) and the pressure release valve (27), and the detection spring (26) is in a relaxed state in an initial state.
6. The glass blowing pipe device for adjusting the air intake of the air pump according to the air blowing amount as set forth in claim 1, wherein: in an initial state, the pressure relief valve (27) is capable of closing a communication between the pressure relief detection line (29) and the pressure relief line (28).
7. The glass blowing pipe device for adjusting the air intake of the air pump according to the air blowing amount as set forth in claim 1, wherein: in an initial state, the detection spring (26) is in a relaxed state.
8. The glass blowing pipe device for adjusting the air intake of the air pump according to the air blowing amount as set forth in claim 1, wherein: an inflation pipeline (30) is installed between the air outlet hole (12) and an external air pump of the middle conversion blow pipe (11), a valve rotating shaft (32) penetrating through the inflation pipeline (30) is installed in the inflation pipeline (30), a rotating valve (31) is installed on the valve rotating shaft (32) in the inflation pipeline (30), the rotating valve (31) can control the on-off state of the inflation pipeline (30), the valve rotating shaft (32) is located on the upper side of the middle conversion blow pipe (11), the rotating shaft is connected with the valve rotating shaft (32) through a bevel gear, a gear (33) is installed on the rotating shaft, a rack ejector rod (15) sliding up and down is installed in the middle conversion blow pipe (11), and the upper end of the rack ejector rod (15) is abutted to the left end of the conversion connecting rod (16).
CN202110216313.0A 2021-02-26 2021-02-26 Glass blowpipe device for adjusting air intake of air pump according to air blowing amount Withdrawn CN112694241A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110216313.0A CN112694241A (en) 2021-02-26 2021-02-26 Glass blowpipe device for adjusting air intake of air pump according to air blowing amount

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110216313.0A CN112694241A (en) 2021-02-26 2021-02-26 Glass blowpipe device for adjusting air intake of air pump according to air blowing amount

Publications (1)

Publication Number Publication Date
CN112694241A true CN112694241A (en) 2021-04-23

Family

ID=75515230

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110216313.0A Withdrawn CN112694241A (en) 2021-02-26 2021-02-26 Glass blowpipe device for adjusting air intake of air pump according to air blowing amount

Country Status (1)

Country Link
CN (1) CN112694241A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009270458A (en) * 2008-05-02 2009-11-19 Actuant Corp Hydraulic pressure generator
CN104088793A (en) * 2014-07-10 2014-10-08 奉化意格特机械制造有限公司 Air intake control valve assembly of air compressor
CN110668677A (en) * 2019-11-06 2020-01-10 林佳铭 Moulding pipe for glass manufacturing
CN210211262U (en) * 2019-06-02 2020-03-31 广州市大中包装实业有限公司 Injection molding pressure maintaining control device
CN210345019U (en) * 2019-04-24 2020-04-17 张征 Automatic gas pressure regulating device
US20200307062A1 (en) * 2017-11-30 2020-10-01 Yoshino Kogyosho Co., Ltd. Liquid blow molding method
CN211900905U (en) * 2020-03-28 2020-11-10 郏县中联天广水泥有限公司 Air compression system with local pressurization function

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009270458A (en) * 2008-05-02 2009-11-19 Actuant Corp Hydraulic pressure generator
CN104088793A (en) * 2014-07-10 2014-10-08 奉化意格特机械制造有限公司 Air intake control valve assembly of air compressor
US20200307062A1 (en) * 2017-11-30 2020-10-01 Yoshino Kogyosho Co., Ltd. Liquid blow molding method
CN210345019U (en) * 2019-04-24 2020-04-17 张征 Automatic gas pressure regulating device
CN210211262U (en) * 2019-06-02 2020-03-31 广州市大中包装实业有限公司 Injection molding pressure maintaining control device
CN110668677A (en) * 2019-11-06 2020-01-10 林佳铭 Moulding pipe for glass manufacturing
CN211900905U (en) * 2020-03-28 2020-11-10 郏县中联天广水泥有限公司 Air compression system with local pressurization function

Similar Documents

Publication Publication Date Title
CN112694241A (en) Glass blowpipe device for adjusting air intake of air pump according to air blowing amount
CN112285024A (en) Detection box capable of quickly marking crack positions of water cup
CN216143251U (en) Bleeding valve in carbon black production line
CN112081976B (en) Water-saving external shower faucet
CN201172623Y (en) Waste oil sucking machine with auto lifting device for lifting tray
CN213088822U (en) Pneumatic two-position four-way slide valve
CN208878864U (en) A kind of pneumatic injection valve
CN113757434A (en) Bleeding valve in carbon black production line
CN2928137Y (en) Air sucking supply valve
CN103151223A (en) Adjustable-pressure microswitch
CN112078452A (en) Emergency protection device for electronic control electric seat of automobile
CN111894741A (en) Anti-surge device for engine
CN110954376A (en) Air monitoring device based on wireless communication
CN217951404U (en) On-off converter with valve closing delay function
CN216734863U (en) A filling equipment for processing of real mineral varnish
CN211039193U (en) Full-automatic hydraulic valve
CN212438293U (en) Hydrogen production straight drink machine installation base with prevent empting function
CN218945109U (en) Pipette convenient to use
CN216143211U (en) Gas control system of wire drawing equipment
CN112022701B (en) Medicine liquid conveying device for clinical medical treatment
CN215807847U (en) Pressure-stable liquefied gas storage device
CN210951266U (en) Boiler pressure automatic control quick pressure relief device
CN219734335U (en) Buckling type pipeline gas self-closing valve with adjustable opening
CN219639490U (en) Plunger type throttle valve
CN220435172U (en) Hydraulic cylinder detection device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20210423

WW01 Invention patent application withdrawn after publication