CN110508558A - Without spring dust blower - Google Patents

Without spring dust blower Download PDF

Info

Publication number
CN110508558A
CN110508558A CN201910887070.6A CN201910887070A CN110508558A CN 110508558 A CN110508558 A CN 110508558A CN 201910887070 A CN201910887070 A CN 201910887070A CN 110508558 A CN110508558 A CN 110508558A
Authority
CN
China
Prior art keywords
groove
float trap
gun body
dust blower
seal washer
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.)
Granted
Application number
CN201910887070.6A
Other languages
Chinese (zh)
Other versions
CN110508558B (en
Inventor
吴海
唐正会
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201910887070.6A priority Critical patent/CN110508558B/en
Priority claimed from CN201910887070.6A external-priority patent/CN110508558B/en
Publication of CN110508558A publication Critical patent/CN110508558A/en
Application granted granted Critical
Publication of CN110508558B publication Critical patent/CN110508558B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02Cleaning by the force of jets, e.g. blowing-out cavities

Abstract

The present invention discloses no spring dust blower, including gun body, airflow channel is equipped in gun body, airflow channel includes inlet channel and outlet passageway, gun body one end sets air inlet, other end sets out port, the outlet port of gun body is connected with gas blow pipe, the bottom of gun body is hinged with handle, float trap is equipped between the inlet channel and outlet passageway of gun body, float trap positioning plug vent plug is connected with by screw threads for fastening at the top of float trap, float trap bottom is snapped with displacement wheel, and the bottom and the handle side for shifting wheel are slidably connected;The top of float trap is equipped with blind hole, and the side wall of float trap is equipped with the first groove, the second groove and two third grooves, is equipped with the first seal washer in the second groove;The second seal washer is equipped in third groove;First groove is connected to the side wall of the blind hole.Rifle flexible structure of the present invention, convenient disassembly, by air-flow impact and self-locking closing, avoid connecting using spring it is easy to aging caused by lose, the dust blower service life can be extended.

Description

Without spring dust blower
Technical field
The present invention relates to a kind of dust-blowing device, specially a kind of no spring dust blower.
Background technique
Dust blower is mainly used for dedusting work when factory and installation, maintenance.Pneumatic dust blower is amplified using air Principle, the effective consumption for reducing compressed air to generate powerful and accurate air-flow, and drives surrounding air together Work.Traditional dust blower is to withstand air inlet by spring return function, and air-flow is made to cannot be introduced into gas blow pipe to close air gun.By long-term Compressed spring will lead to weakening of spring or fracture, and in both cases, air gun uses the work of air gun all in gas leakage state Factory will lose by the superpower power consumption of air compressor machine.
Therefore, it is necessary to develop a kind of new structural dust blower, extend the service life of dust blower, and reduce use process In energy consumption.
Summary of the invention
To solve the above existing issue, the present invention is provided without spring dust blower.The invention is realized by the following technical scheme.
Without spring dust blower, including gun body, airflow channel is equipped with inside the gun body, the airflow channel includes inlet channel And outlet passageway, described gun body one end is equipped with air inlet, other end is equipped with gas outlet, and the outlet port activity of the gun body connects It is connected to gas blow pipe, the bottom of the gun body is hinged with handle, is equipped with and floats between the inlet channel and outlet passageway of the gun body Valve, the float trap top are connected with float trap positioning plug vent plug by screw threads for fastening, and the float trap bottom is snapped with displacement The bottom of wheel, the displacement wheel is slidably connected with the handle side;The top of the float trap is equipped with blind hole, the float trap Side wall be equipped with around the float trap the first groove, the second groove and two third grooves, described two third grooves It is respectively arranged on the top and bottom float trap side wall of first groove;The first seal washer is equipped in second groove; The second seal washer is equipped in the third groove;First groove and the side wall of the blind hole pass through symmetrically arranged through-hole Connection.
Preferably, the gun body bottom is equipped with the 5th groove, and the end of the 5th groove passes through pin and the handle Hingedly.
Preferably, the air inlet of the gun body is equipped with internal screw thread, and the air inlet is connected with external appendix.
Preferably, the cylindrical-shaped structure that the float trap is vertically arranged, first seal washer and described second close Seal washer is O-ring, and the diameter of first seal washer is greater than the diameter of second seal washer.
Preferably, the bottom centre of the float trap is equipped with the 4th groove, the arc-shaped design of the 4th inside grooves, institute The open end diameter for stating the 4th groove is less than the diameter of described 4th inside grooves the widest part, opens on the side wall of the 4th groove Recessing groove is taken turns equipped with displacement.
Preferably, the outlet passageway is the horizontal hole being molded in gun body, the central axis of the outlet passageway with Angle between the center line axis of inlet channel be to.
Preferably, the angle of the central axes of the outlet passageway and the central axes of the float trap is 90 °.
Preferably, the gas blow pipe and the outlet port of the gun body are excessively tight with connection, and the gas blow pipe is stainless steel The end of metal tube, the gas blow pipe is extended downwardly through arc-shaped transition rear-inclined.
Preferably, the float trap positioning plug vent plug 5 is plastic shape set screw.
Beneficial effects of the present invention:
The present invention by float trap and shifts the cooperation of wheel, by the self-locking closing of impact of air-flow without spring dust blower, so, As long as air compressor machine in the state of gas supply, all can self lock hold one's breath rifle, never gas leakage, so that factory or list using air gun Position reduces because air compressor machine power consumption caused by air gun gas leakage is lost;The design for shifting wheel reduces connecing for float trap and handle Contacting surface friction, compared with the pin of traditional dust blower is in handle two sides slot internal shift, more durable.
The present invention is without spring dust blower flexible structure, convenient disassembly, in the case where being more than normal life time using the time, Directly float trap positioning plug vent plug can be produced with spanner come replacement o circle can be used continuously.
Detailed description of the invention
Fig. 1 is each section mechanism explosive view of the invention without spring dust blower;
Fig. 2 is the air blowing status architecture cross-sectional view of the invention without spring dust blower;
Fig. 3 is the air blowing halted state structure sectional view of the invention without spring dust blower;
Fig. 4 is the schematic perspective view of the invention without spring dust blower;
Fig. 5 is the float trap structure sectional view of the invention without spring dust blower;
Fig. 6 is the float trap structural perspective of the invention without spring dust blower.
Wherein: 1. gun bodies;101. inlet channel;102. outlet passageway;103. air inlet;104. gas outlet;105. the 5th Groove;2. gas blow pipe;3. handle;4. float trap;401. blind hole;402. first grooves;403. second grooves;404. thirds are recessed Slot;405. the 4th grooves;406. displacement wheel recessing grooves;407. through-hole;5. float trap positioning plug vent plug;6. displacement wheel;7. first Seal washer;8. the second seal washer;9. pin.
Specific embodiment
Technical solution of the present invention work specifically, is completely illustrated with reference to the accompanying drawing.
Without spring dust blower, including gun body 1, airflow channel is equipped with inside the gun body 1, the airflow channel includes that air inlet is logical Road 101 and outlet passageway 102, described 1 one end of gun body is equipped with air inlet 103, other end is equipped with gas outlet 104, the gun body 104 end of gas outlet be connected with gas blow pipe 2, the bottom of the gun body 1 is hinged with handle 3, the inlet channel of the gun body 1 It is equipped with float trap 4 between 101 and outlet passageway 102, float trap positioning plug is connected with by screw threads for fastening at the top of the float trap 4 Vent plug 5,4 bottom of float trap are snapped with displacement wheel 6, and the bottom of the displacement wheel 6 is slidably connected with the handle side;Institute The top for stating float trap 4 is equipped with blind hole 401, and the side wall of the float trap 4 is equipped with the first groove around the float trap 4 402, the second groove 403 and two third grooves 404, described two third grooves are respectively arranged on the top of first groove 402 In portion and bottom float trap side wall;The first seal washer 7 is equipped in second groove 403;It is equipped in the third groove 404 Second seal washer 8;First groove 402 is connected to the side wall of the blind hole 401 by symmetrically arranged through-hole 407.
It advanced optimizes, 1 bottom of gun body is equipped with the 5th groove 105, and the end of the 5th groove 105 passes through pin Nail 9 and the handle 3 are hinged;The air inlet 103 of the gun body 1 is equipped with internal screw thread, and the air inlet 103 is connected with outside Appendix.
The cylindrical-shaped structure that the float trap is vertically arranged, first seal washer 7 and second seal washer 8 It is O-ring, the diameter of first seal washer 7 is greater than the diameter of second seal washer 8, the 4th groove 405 Side wall on offer displacement wheel recessing groove (406);The bottom centre of the float trap 4 be equipped with the 4th groove 405, the described 4th The 405 arc-shaped design in inside of groove, the open end diameter of the 4th groove 405 is less than most wide inside the 4th groove 405 The diameter at place.
The outlet passageway 102 is the horizontal hole being molded in gun body, the central axis of the outlet passageway 102 with into Angle between the center line axis in gas channel 101 is 140 ° to 150 °;The central axes of the outlet passageway 102 and the float trap 4 The angles of central axes be 90 °.
Further, the gas blow pipe 2 and the outlet port of the gun body 1 are excessively tight with connection, and the gas blow pipe 2 is The end of stainless steel metal pipe, the gas blow pipe 2 is extended downwardly through arc-shaped transition rear-inclined;The float trap positioning plug vent plug 5 For plastic shape set screw.
Specific embodiment 1, a kind of no spring dust blower, including gun body 1 are equipped with airflow channel, airflow channel packet inside gun body 1 Inlet channel 101 and outlet passageway 102 are included, 1 one end of gun body is equipped with air inlet 103, other end is equipped with gas outlet 104, gun body 104 end of gas outlet it is excessively tight with being connected with gas blow pipe 2, the bottom of gun body 1 is hinged with handle 3.The inlet channel 101 of gun body 1 It is equipped with the float trap 4 of cylindrical-shaped structure vertically between outlet passageway 102, is connected at the top of float trap 4 by screw threads for fastening floating Dynamic valve positioning plug vent plug 5.1 bottom of gun body is equipped with the 5th groove 105, and the end of the 5th groove 105 is cut with scissors by pin 9 and handle 3 It connects.
The top of float trap 4 is equipped with blind hole 401, the side wall of float trap 4 be equipped with the first groove 402 around float trap 4, Second groove 403 and two third grooves 404, two third grooves 404 are respectively arranged on the floating of 402 top and bottom of the first groove On dynamic valve side wall;The first seal washer 7 is equipped in second groove 403;It is equipped with the second seal washer 8 in third groove 404, first Seal washer 7 and the second seal washer 8 are O-ring, the respectively first O-shaped seal washer and the second O-shaped seal washer, wherein The diameter of first O-shaped seal washer is greater than the diameter of the second O-shaped seal washer;First groove 402 and the side wall of blind hole 401 pass through Symmetrically arranged through-hole 407 is connected to, the height of the height of interface channel less than the first groove 402.The bottom centre of float trap 4 sets There is the 4th groove 405, the 405 arc-shaped design in inside of the 4th groove, the open end diameter of the 4th groove 405 is less than the 4th groove The diameter of 405 inside the widest part offers displacement wheel recessing groove 406, the 4th groove 405 on the side wall of the 4th groove 405 6 snappings are taken turns with displacement, 6 bottoms of displacement wheel are slidably connected with handle 3, when applying handle 3 to the power of gun body 1, can oppress Displacement wheel 6 while rotation, while push up float trap 4, the first groove 402 of float trap 4 is aligned with outlet passageway 102, realization The connection of inlet channel 101 and outlet passageway 102 can start to blow afloat work.When not needing to blow afloat, release handle 3 is floated Valve 4 moves down under air-flow promotion, and the first groove 402 moves down, and cuts off between inlet channel 101 and outlet passageway 102 Air-flow.
In this implementation, the air inlet 103 of gun body 1 is equipped with internal screw thread, and air inlet 103 by screw thread and can be provided with outer spiral shell The appendix of the outside of line is flexibly connected.
It advanced optimizes, outlet passageway 102 is the horizontal hole being molded in gun body, the central axis of outlet passageway 102 Angle between line and the center line axis of inlet channel 101 is 140 ° to 150 °;The central axes of outlet passageway 102 and float trap 4 The angle of central axes is 90 °.
Further optimize, gas blow pipe 2 is stainless steel metal pipe, and the end of gas blow pipe 2 is oblique through arc-shaped transition hypsokinesis Lower extension is necking state at port.Float trap positioning plug vent plug 5 is plastic shape set screw, is more than just when the use time In the case where normal life time, directly float trap positioning plug vent plug can be produced with spanner come replacement o circle can continue to make With.
In the present embodiment, float trap positioning plug vent plug 5 floats apart from limit to float trap, clogs top vacancy, floats Valve 4 can float up and down to form open and close state, move up and be in an open state, and move down and be in off state;Handle 3 moves When, 6 promotion float trap 4 of displacement wheel moves upwards, and moves back and forth on the handle 3 with shift wheel 6, it is possible to reduce handle rubs It wipes;First seal washer 7 is used to seal the top of float trap 4, and the second seal washer 8 is used to seal the lower end of float trap 4.
Further, the specific design of no spring dust blower float trap is carried out further perfect.(1) perfect in shape and function: warp Test, the depth of blind hole 401 are more than the lower edge 5mm of through-hole 407, are less than two points of 401 diameter of blind hole in the diameter of through-hole 407 One of in the case where, gas shock is self-locking to be easy to, and two symmetrically arranged through-holes 407 have added around groove linked hole The air-flow come also corresponds to the air-flow of blind hole 1, so, nor affect on gas circulation.(2) life extends perfect: when third groove 404 Diameter less than the second groove 403 diameter when, the diameter of the O-shaped seal washer of second be matched therewith is sealed less than the first O The diameter of washer, as soon as designing the protection for being conducive to intermediate the second O-ring in this way, this realizes the resistance to of intermediate second O-ring Long property, because intermediate second O-ring is just never bitten broken by the gas outlet of gun body in this case;Shift the design of wheel It is another main points for enhancing the air gun service life, reduces the friction between float trap and handle, be installed to the position of the 4th groove 405 It sets, will not fall off after installation, while also very flexibly, to reach optimal shift effect when air gun work.
Obviously, described embodiment is only separate embodiment of the invention, rather than whole embodiments.Based on the present invention In embodiment, all other implementation obtained by those of ordinary skill in the art without making creative efforts, Belong to protection scope of the present invention.

Claims (9)

1. without spring dust blower, including gun body (1), the gun body (1) is internal to be equipped with airflow channel, and the airflow channel includes air inlet Channel (101) and outlet passageway (102), described gun body (1) one end is equipped with air inlet (103), other end is equipped with gas outlet (104), gas outlet (104) end of the gun body is connected with gas blow pipe (2), and the bottom of the gun body (1) is hinged with handle (3), it is characterised in that:
Float trap (4) are equipped between the inlet channel (101) and outlet passageway (102) of the gun body (1), the float trap (4) Top is connected with float trap positioning plug vent plug (5) by screw threads for fastening, and float trap (4) bottom is snapped with displacement wheel (6), institute The bottom for stating displacement wheel (6) is slidably connected with the handle side;
The top of the float trap (4) is equipped with blind hole (401), and the side wall of the float trap (4) is equipped with around the float trap (4) the first groove (402), the second groove (403) and two third grooves (404), described two third grooves are respectively arranged on On the top and bottom float trap side wall of first groove (402);The first seal washer is equipped in second groove (403) (7);The second seal washer (8) are equipped in the third groove (404);First groove (402) and the blind hole (401) Side wall is connected to by symmetrically arranged through-hole (407).
2. no spring dust blower according to claim 1, it is characterised in that: gun body (1) bottom is equipped with the 5th groove (105), the end of the 5th groove (105) is hinged by pin (9) and the handle (3).
3. no spring dust blower according to claim 1, it is characterised in that: the air inlet (103) of the gun body (1) is equipped with interior Screw thread, the air inlet (103) are connected with external appendix.
4. no spring dust blower according to claim 1, it is characterised in that: the cylinder that the float trap (4) is vertically arranged Shape structure, first seal washer (7) and second seal washer (8) are O-ring, first seal washer (7) Diameter be greater than second seal washer (8) diameter.
5. no spring dust blower according to claim 1, it is characterised in that: the bottom centre of the float trap (4) is equipped with the Four grooves (405), the internal arc-shaped design of the 4th groove (405), the open end diameter of the 4th groove (405) are less than The diameter of the internal the widest part of the 4th groove (405);Displacement wheel recessing groove is offered on the side wall of 4th groove (405) (406)。
6. no spring dust blower according to claim 1, it is characterised in that: the outlet passageway (102) is to be molded over gun body In horizontal hole, the angle between the central axis of the outlet passageway (102) and the center line axis of inlet channel (101) is 140 ° to 150 °.
7. no spring dust blower according to claim 1, it is characterised in that: the central axes of the outlet passageway (102) and institute The angle for stating the central axes of float trap (4) is 90 °.
8. no spring dust blower according to claim 1, it is characterised in that: the gas blow pipe (2) goes out with the gun body (1) Port end is excessively tight with connection, and the gas blow pipe (2) is stainless steel metal pipe, and the end of the gas blow pipe (2) is through arc-shaped transition Rear-inclined extends downwardly.
9. no spring dust blower according to claim 1, it is characterised in that: the float trap positioning plug vent plug (5) is plastics Special-shaped set screw.
CN201910887070.6A 2019-09-19 Spring-free dust blowing gun CN110508558B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910887070.6A CN110508558B (en) 2019-09-19 Spring-free dust blowing gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910887070.6A CN110508558B (en) 2019-09-19 Spring-free dust blowing gun

Publications (2)

Publication Number Publication Date
CN110508558A true CN110508558A (en) 2019-11-29
CN110508558B CN110508558B (en) 2024-05-03

Family

ID=

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112902651A (en) * 2021-04-02 2021-06-04 电信科学技术仪表研究所有限公司 PCBA board blowing cleaning device and use method thereof

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4537357A (en) * 1982-05-03 1985-08-27 Binks Manufacturing Company Spray guns
CN2326349Y (en) * 1997-02-24 1999-06-30 周武巧 Air dust-blowing gun
US6142387A (en) * 1998-10-16 2000-11-07 Jou; Wuu-Cheau Multipurpose air fountain
TW200940277A (en) * 2008-03-28 2009-10-01 De Poan Pneumatic Corp Adjusting device of nail-striking control valve of nailing gun
US20100286791A1 (en) * 2006-11-21 2010-11-11 Goldsmith David S Integrated system for the ballistic and nonballistic infixion and retrieval of implants
CN102688866A (en) * 2012-06-08 2012-09-26 慈溪市东菱机械有限公司 Dust absorption gun
CN202741280U (en) * 2012-05-14 2013-02-20 王根冲 Dust blowing and cleaning dual-purpose gun with adjustable sprayers
CN203791268U (en) * 2014-03-31 2014-08-27 宁波祥瑞气动工具有限公司 Pneumatic duster gun
CN204159605U (en) * 2014-10-16 2015-02-18 宁波市鄞州骏捷气动工具厂 A kind of safe dust blower
CN204159602U (en) * 2014-10-16 2015-02-18 宁波市鄞州骏捷气动工具厂 A kind of adjustable dust blower
CN105689328A (en) * 2014-11-28 2016-06-22 宁波市镇海米丰节能环保科技有限公司 Pneumatic dust blowing gun with quick joint
CN107840301A (en) * 2017-10-30 2018-03-27 郑立新 Without the self-styled petroleum vapor recovery nozzle of pressure
CN107971290A (en) * 2017-11-27 2018-05-01 鲍英浩 A kind of gynaecological instruments dust guard pollution abatement equipment
CN108128281A (en) * 2017-12-28 2018-06-08 珠海格力智能装备有限公司 Spray gun and with its car washer
CN207864669U (en) * 2018-07-26 2018-09-14 东莞市源开鑫精密科技有限公司 A kind of portable elasticity air valve of lathe cleaning
CN208449679U (en) * 2018-06-08 2019-02-01 广州市德天环保科技有限公司 A kind of spray gun connector that band is self-locking
CN210876570U (en) * 2019-09-19 2020-06-30 吴海 Springless dust blowing gun

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4537357A (en) * 1982-05-03 1985-08-27 Binks Manufacturing Company Spray guns
CN2326349Y (en) * 1997-02-24 1999-06-30 周武巧 Air dust-blowing gun
US6142387A (en) * 1998-10-16 2000-11-07 Jou; Wuu-Cheau Multipurpose air fountain
US20100286791A1 (en) * 2006-11-21 2010-11-11 Goldsmith David S Integrated system for the ballistic and nonballistic infixion and retrieval of implants
TW200940277A (en) * 2008-03-28 2009-10-01 De Poan Pneumatic Corp Adjusting device of nail-striking control valve of nailing gun
CN202741280U (en) * 2012-05-14 2013-02-20 王根冲 Dust blowing and cleaning dual-purpose gun with adjustable sprayers
CN102688866A (en) * 2012-06-08 2012-09-26 慈溪市东菱机械有限公司 Dust absorption gun
CN203791268U (en) * 2014-03-31 2014-08-27 宁波祥瑞气动工具有限公司 Pneumatic duster gun
CN204159605U (en) * 2014-10-16 2015-02-18 宁波市鄞州骏捷气动工具厂 A kind of safe dust blower
CN204159602U (en) * 2014-10-16 2015-02-18 宁波市鄞州骏捷气动工具厂 A kind of adjustable dust blower
CN105689328A (en) * 2014-11-28 2016-06-22 宁波市镇海米丰节能环保科技有限公司 Pneumatic dust blowing gun with quick joint
CN107840301A (en) * 2017-10-30 2018-03-27 郑立新 Without the self-styled petroleum vapor recovery nozzle of pressure
CN107971290A (en) * 2017-11-27 2018-05-01 鲍英浩 A kind of gynaecological instruments dust guard pollution abatement equipment
CN108128281A (en) * 2017-12-28 2018-06-08 珠海格力智能装备有限公司 Spray gun and with its car washer
CN208449679U (en) * 2018-06-08 2019-02-01 广州市德天环保科技有限公司 A kind of spray gun connector that band is self-locking
CN207864669U (en) * 2018-07-26 2018-09-14 东莞市源开鑫精密科技有限公司 A kind of portable elasticity air valve of lathe cleaning
CN210876570U (en) * 2019-09-19 2020-06-30 吴海 Springless dust blowing gun

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张西北;古元;甘小勇;: "利用高压吹风式除尘装置快速清洁电脑", 实验室科学, no. 06 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112902651A (en) * 2021-04-02 2021-06-04 电信科学技术仪表研究所有限公司 PCBA board blowing cleaning device and use method thereof

Similar Documents

Publication Publication Date Title
CN106931185A (en) A kind of bellows control valve
CN110508558A (en) Without spring dust blower
CN104527630B (en) A kind of piston type pneumatic control stop valve
CN208010963U (en) A kind of hard seal ball valve
CN207550958U (en) A kind of pollution-free quantification of protein kit
CN211901764U (en) Air exhaust valve
CN206346271U (en) Post fire hydrant
CN205824275U (en) A kind of water hammer-resistant angle valve
CN207316135U (en) A kind of two way reversing valves of ceramics
CN212131410U (en) Pressure reducing valve with multi-channel structure
CN209146466U (en) A kind of ball-cock assembly
CN105443358B (en) A kind of air compressor machine with air inlet control and gas circuit check function
CN2773437Y (en) Automatic float ball of exhaust valve
CN110508558B (en) Spring-free dust blowing gun
CN110438707A (en) A kind of cloth production widens device with vapour-pressure type
CN210876570U (en) Springless dust blowing gun
CN206513902U (en) A kind of breather valve
CN201071961Y (en) Ball check valve
CN213332690U (en) Built-in automatic discharging device of gas cylinder
CN205978547U (en) Automatic leak protection valve
CN205678156U (en) A kind of Novel remote-control ball-cock assembly
CN215487946U (en) Gas-liquid separation check valve for gas pipeline
CN209587308U (en) A kind of floating ball autocontrol valve
CN219975579U (en) Trace exhaust valve
CN103350042B (en) The energy-conservation wind blowing gun of a kind of hydrocone type

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