CN202398455U - Jetting mechanism - Google Patents

Jetting mechanism Download PDF

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Publication number
CN202398455U
CN202398455U CN 201120370886 CN201120370886U CN202398455U CN 202398455 U CN202398455 U CN 202398455U CN 201120370886 CN201120370886 CN 201120370886 CN 201120370886 U CN201120370886 U CN 201120370886U CN 202398455 U CN202398455 U CN 202398455U
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CN
China
Prior art keywords
valve
valve rod
valve stem
injection
injection equipment
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.)
Expired - Fee Related
Application number
CN 201120370886
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Chinese (zh)
Inventor
李振兴
郑玉春
孙慧婕
陈伟
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.)
Beijing Beiji Mechanical and Electrical Industry Co Ltd
Original Assignee
Beijing Beiji Mechanical and Electrical Industry 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 Beijing Beiji Mechanical and Electrical Industry Co Ltd filed Critical Beijing Beiji Mechanical and Electrical Industry Co Ltd
Priority to CN 201120370886 priority Critical patent/CN202398455U/en
Application granted granted Critical
Publication of CN202398455U publication Critical patent/CN202398455U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A jetting mechanism comprises a shell, an inlet, a nozzle and a jet valve. The jet valve is provided with a valve bush, a valve stem, a valve spool and a valve seat, the valve spool is disposed at the front end of the valve stem, a valve stem channel is arranged inside the valve stem, a closed energy storage cavity is disposed in the valve bush, the valve stem channel is provided with a valve stem channel inner hole penetrating through the valve stem channel and the energy storage cavity, a valve seat channel is connected with the energy storage cavity in a through manner, the valve bush is provided with a valve stem slide rail, the valve stem is slidably connected with the valve stem slide rail, the jetting mechanism is provided with a valve stem driving mechanism, and the valve stem driving mechanism is in transmission connection with the valve stem. Gas to be jetted or gas and liquid mixture can enter the energy storage cavity, and energy can be compressed and stored by the aid of the pressure of the gas or the gas and liquid mixture and the compressibility of the gas. During bursting or short-time jetting, energy of the gas or the gas and liquid mixture and the compressed and stored energy can be released and jetted out via the valve seat channel and the nozzle, jetting flow within a short time is increased, bursting jetting range is also increased, and an effect is quite remarkable.

Description

Injection equipment
Technical field
The utility model relates to a kind of fluid blowout unit, particularly a kind of injection equipment.
Background technology
Ejection gas or gas liquid mixture all need use injection equipment, as comprise the fire extinguishing injection equipment of foam lance, dry powder spray gun, comprise the application injection equipment of paint sprayer, blackwash sprayer etc.Existing injection equipment; Air supply channel from the steam line to the spout all is the mode of movement that adopts the uiform section area, and near the air supply channel area of section the portioned product spout even dwindle in addition is because the area of section of transfer passage is less; Make that the pressure loss in the gas course of conveying is very big when spraying; Cause the injection flow of existing injection equipment little, jet length is short, has had a strong impact on the performance of injection equipment.
The utility model content
In order to solve the mode of movement that the air supply channel of existing injection equipment from the steam line to the spout adopts the uiform section area; Gas pressure loses greatly when causing injection, and injection flow is little, the problem that jet length is short; The utility model proposes a kind of injection equipment, and the technical scheme that is adopted is:
Injection equipment comprises the injection valve that is provided with between spout and the inlet and the spout of inlet, housing front end of housing, housing rear end, and injection valve is provided with the spool and the valve seat of valve pocket, valve rod, valve rod front end; Valve seat is provided with the valve base channel that connects valve seat front end and rear end along axis, and the front end of valve base channel connects with spout and is connected, and valve rod inside is provided with valve stem passage vertically; The rear end of valve stem passage connects with inlet and is connected, and the front end sealing of valve stem passage is provided with airtight accumulation of energy chamber in the valve pocket; Valve stem passage is provided with the valve stem passage endoporus that connects valve stem passage and accumulation of energy chamber, and the rear end of valve base channel connects with the accumulation of energy chamber and is connected, and valve pocket is provided with the valve rod slideway along the axis of valve rod; The shape and size of valve rod slideway and the shape and size of valve rod adapt, and valve rod and valve rod slideway are slidingly connected, and the shape and size on the shape and size of spool face and valve base channel surface adapt; Valve rod is positioned at the position of forefront in the valve rod slideway; Spool is connected with the airtight contact of valve base channel, and the front end and the rear end of valve base channel do not connect, and valve rod is not positioned at the position of forefront in the valve rod slideway; Spool does not contact with valve base channel; The front end of valve base channel and rear end connect, and the valve rod driving mechanism is set, and valve rod driving mechanism and valve rod are in transmission connection.
Injection equipment, the volume in accumulation of energy chamber and the injection flow of injection equipment adapt.
Injection equipment, the valve stem passage endoporus is provided with one or more, the quantity of valve stem passage endoporus or/and the injection flow of sectional area and injection equipment adapt.
Injection equipment, a plurality of valve stem passage endoporus are uniformly distributed with setting at the circumferencial direction of valve rod.
Injection equipment, the accumulation of energy chamber is around the valve rod setting.
Injection equipment, injection valve are cone valve or ball valve.
Injection equipment, the sectional area of the sectional area of inlet, the sectional area of valve stem passage, valve base channel or/and the injection flow of the sectional area of spout and injection equipment adapt.
Injection equipment, valve rod driving mechanism are manual drives mechanism, manual drives mechanism be provided with the hinged spanner of housing and with the back-moving spring of spanner or valve rod Elastic Contact, spanner and valve rod are in transmission connection.
Injection equipment, valve rod driving mechanism are electric driving mechanism, pneumatic drive mechanism or hydraulic drive mechanism, and electric driving mechanism, pneumatic drive mechanism or hydraulic drive mechanism are provided with driving element, and driving element and valve rod are in transmission connection.
The technique effect that the utility model adopts technique scheme to obtain is:
Injection equipment comprises the injection valve that is provided with between spout and the inlet and the spout of inlet, housing front end of housing, housing rear end, and injection valve is provided with the spool and the valve seat of valve pocket, valve rod, valve rod front end; Valve seat is provided with the valve base channel that connects valve seat front end and rear end along axis; The front end of valve base channel connects with spout and is connected, and valve rod inside is provided with valve stem passage vertically, and the rear end of valve stem passage connects with inlet and is connected; The front end sealing of valve stem passage; Airtight accumulation of energy chamber is set in the valve pocket, and valve stem passage is provided with the valve stem passage endoporus that connects valve stem passage and accumulation of energy chamber, and gas to be sprayed or gas liquid mixture can pass through inlet, valve stem passage and valve stem passage endoporus and get in the accumulation of energy chamber; Utilize the pressure of gas or gas liquid mixture and the compressibility of gas, obtain compression and energy accumulation.The rear end of valve base channel connects with the accumulation of energy chamber and is connected; Valve pocket is provided with the valve rod slideway along the axis of valve rod, and the shape and size of valve rod slideway and the shape and size of valve rod adapt, and valve rod and valve rod slideway are slidingly connected; The shape and size on the shape and size of spool face and valve base channel surface adapt; Valve rod is positioned at the position of forefront in the valve rod slideway, spool is connected with the airtight contact of valve base channel, and the front end and the rear end of valve base channel do not connect; Can seal the passage between inlet and spout, stop gas or gas liquid mixture to leak.Valve rod is not positioned at the position of forefront in the valve rod slideway; Spool does not contact with valve base channel; The front end of valve base channel and rear end connect, and gas or gas liquid mixture are gone out spout and realized spraying, and Compressed Gas of putting aside in the accumulation of energy chamber that contains energy or gas liquid mixture are owing to the rear end near valve base channel; When spraying in fixed fire or short time; Can expand because of the unlatching of injection valve, therefore can unhinderedly utilize the gas of input or energy that the gas liquid mixture had and be compressed the energy of being put aside and spray through valve base channel and spout and go out, owing near having put aside significant amount of energy in the rear end of valve base channel; And, valve stem passage endoporus and accumulation of energy chamber increased the sectional area of gas or gas liquid mixture transfer passage greatly owing to being set; Significantly reduce the pressure loss in gas or the gas liquid mixture course of injection, strengthened the injection flow in the short time, increased the range of jet of fixed fire.Through actual detected, original range of jet is 17 meters a spray gun, change a social system injection equipment into the utility model after, the range of jet during fixed fire has been increased to 27 meters, effect very significantly.The valve rod driving mechanism is set, and valve rod driving mechanism and valve rod are in transmission connection, and can realize the opening and closing of injection equipment through the moving forward and backward of valve rod driving mechanisms control valve rod.
Injection equipment; The volume in accumulation of energy chamber and the injection flow of injection equipment adapt; The volume in accumulation of energy chamber can be set according to injection flow; Gas or volume and the emitted dose of gas liquid mixture of the compression of accumulation of energy chamber savings are adapted,, adapt to the needs of remote fixed fire or short time injection with injection flow and the jet length that realizes setting.
Injection equipment; The valve stem passage endoporus is provided with one or more; The quantity of valve stem passage endoporus or/and the injection flow of sectional area and injection equipment adapt; The quantity that can the valve stem passage endoporus be set according to injection flow adapts with the injection flow of injection equipment with flow and the accumulation in the accumulation of energy chamber that guarantees gas or gas liquid mixture, and adapts to the needs of remote fixed fire or short time injection or/and sectional area.
Injection equipment; A plurality of valve stem passage endoporus are uniformly distributed with setting at the circumferencial direction of valve rod; Can make gas or the gas liquid mixture valve stem passage endoporus of flowing through get into the accumulation of energy chamber; Or even, smooth through accumulation of energy chamber, valve base channel from the process that spout penetrates, resistance is little, to adapt to the needs that remote fixed fire or short time spray.
Injection equipment; The accumulation of energy chamber is around the valve rod setting; Be convenient to strengthen the volume in accumulation of energy chamber, shorten the distance of accumulation of energy chamber internal volume, help fixed fire or short time and discharge the energy of putting aside in the accumulation of energy chamber when spraying fast to the valve base channel rear end; Further reduce the pressure loss in the course of injection, improve the range of fixed fire or short time injection.
Injection equipment, injection valve is cone valve or ball valve, has the injection valve of various ways available, helps the carrying out of the injection equipment design and the work of manufacturing.
Injection equipment; The sectional area of sectional area, the valve stem passage of inlet, the sectional area of valve base channel or/and the injection flow of the sectional area of spout and injection equipment adapt; Can make the pressure loss of each section passage that gas or gas liquid mixture flow through balanced; Be beneficial to realize injection flow and the jet length set, and adapt to the needs that remote fixed fire or short time spray.
Injection equipment; The valve rod driving mechanism is a manual drives mechanism, manual drives mechanism be provided with the hinged spanner of housing and with the back-moving spring of spanner or valve rod Elastic Contact, spanner and valve rod are in transmission connection; Can realize the reliable opening and closing of injection equipment with the simplest mechanism.
Injection equipment; The valve rod driving mechanism is electric driving mechanism, pneumatic drive mechanism or hydraulic drive mechanism; Electric driving mechanism, pneumatic drive mechanism or hydraulic drive mechanism are provided with driving element; Driving element and valve rod are in transmission connection, and have multiple driving mechanism available, help the carrying out of the injection equipment design and the work of manufacturing.
Use the injection equipment of the utility model, the fluid pressure loss in the time of can reducing to spray utilizes the compressibility energy accumulation of gas, increases injection flow, strengthens fixed fire or the short time jet length when spraying, and effect is remarkable.
Description of drawings
Fig. 1 is the structural representation of the injection equipment of the utility model.
Sign implication among the figure is following:
The 1-housing, 2-inlet, 3-spout, 4-injection valve, 5-valve rod; The 6-spool, 7-valve seat, 8-valve base channel, 9-valve stem passage, 10-accumulation of energy chamber; 11-valve stem passage endoporus, 12-valve rod slideway, 13-manual drives mechanism, 14-spanner, 15-back-moving spring; The 16-pin joint, 17-sealing ring, 18-valve pocket, 19-back-up ring.
The specific embodiment
The injection equipment of the utility model, structural representation is as shown in Figure 1, comprise housing 1, housing 1 rear end inlet 2, housing 1 front end spout 3 and enter the mouth 2 and the injection valve 4 of 3 settings of spout; Injection valve 4 is provided with the spool 6 and the valve seat 7 of valve pocket 18, valve rod 5, valve rod 5 front ends, and valve seat 7 is provided with the valve base channel 8 that connects valve seat 7 front ends and rear end along axis, and the front end of valve base channel 8 connects with spout 3 and is connected; Valve rod 5 inside are provided with valve stem passage 9 vertically, and the rear end of valve stem passage 9 connects with inlet 2 and is connected, the front end sealing of valve stem passage 9; Airtight accumulation of energy chamber 10 is set in the valve pocket 18, and valve stem passage 9 is provided with the valve stem passage endoporus 11 that connects valve stem passage 9 and accumulation of energy chamber 10, and the rear end of valve base channel 8 connects with accumulation of energy chamber 10 and is connected; Valve pocket 18 is provided with valve rod slideway 12 along the axis of valve rod 5; The shape and size of the shape and size of valve rod slideway 12 and valve rod 5 adapt, and valve rod 5 is slidingly connected with valve rod slideway 12, and the shape and size on the shape and size on spool 6 surfaces and valve base channel 8 surfaces adapt; Valve rod 5 is positioned at the position of forefront in valve rod slideway 12; Spool 6 is connected with valve base channel 8 airtight contacts, and the front end and the rear end of valve base channel 8 do not connect, and valve rod 5 is not positioned at the position of forefront in valve rod slideway 12; Spool does not contact with valve base channel 8; The front end of valve base channel 8 and rear end connect, and the valve rod driving mechanism is set, and valve rod driving mechanism and valve rod 5 are in transmission connection.
Injection equipment, the volume in accumulation of energy chamber 10 and the injection flow of injection equipment adapt.
Injection equipment, valve stem passage endoporus 11 is provided with one or more, the quantity of valve stem passage endoporus 11 or/and the injection flow of sectional area and injection equipment adapt.
Injection equipment, a plurality of valve stem passage endoporus 11 are uniformly distributed with setting at the circumferencial direction of valve rod 5.
Injection equipment, accumulation of energy chamber 10 is provided with around valve rod 5.
Injection equipment, injection valve 4 is cone valve or ball valve.
Injection equipment, the sectional area of inlet 2 sectional area, valve stem passage 9, the sectional area of valve base channel 8 or/and the injection flow of the sectional area of spout 3 and injection equipment adapt.
Injection equipment, valve rod driving mechanism are manual drives mechanism 13, manual drives mechanism 13 be provided with housing 1 the hinged spanner 14 of pin joint 16 and with the back-moving spring 15 of spanner 14 or valve rod 5 Elastic Contact, spanner 14 is in transmission connection with valve rod 5.
Injection equipment, the valve rod driving mechanism can be electric driving mechanism, pneumatic drive mechanism or hydraulic drive mechanism, and electric driving mechanism, pneumatic drive mechanism or hydraulic drive mechanism are provided with driving element usually, and driving element and valve rod 5 are in transmission connection.
Spool 6, valve seat 7 are according to the difference of working media; Can select steel, copper alloy, aluminium alloy or macromolecular material manufacturing for use; The material of spool 6 and valve seat 7 can be identical, also can be different, and the section symbols of the valve seat 7 shown in the figure is the symbols for macromolecular material.
In order to prevent that gas that pressure is arranged or gas liquid mixture in the accumulation of energy chamber 10 from leaking with the position that is slidingly connected of inlet 2 through valve rod slideway 12 or valve rod 5; The position that is slidingly connected of valve rod slideway 12 that valve pocket 18 is provided with among Fig. 1 and valve rod 5 and inlet 2 all is provided with sealing ring 17.
Back-up ring 19 can be set so that valve seat 7 is fixedly connected with valve pocket 18.
The injection equipment of the utility model is not restricted to the described embodiments, and every structure and mode of utilizing the utility model is through conversion and the formed technical scheme of replacement, all in the protection domain of the utility model.

Claims (9)

1. injection equipment comprises the injection valve that is provided with between spout and the inlet and the spout of inlet, housing front end of housing, housing rear end, and it is characterized in that: injection valve is provided with the spool and the valve seat of valve pocket, valve rod, valve rod front end; Said valve seat is provided with the valve base channel that connects valve seat front end and rear end along axis, and the front end of said valve base channel connects with spout and is connected, and valve rod inside is provided with valve stem passage vertically; The rear end of said valve stem passage connects with inlet and is connected, and the front end sealing of said valve stem passage is provided with airtight accumulation of energy chamber in the valve pocket; Said valve stem passage is provided with the valve stem passage endoporus that connects valve stem passage and accumulation of energy chamber; The rear end of said valve base channel connects with said accumulation of energy chamber and is connected, and said valve pocket is provided with the valve rod slideway along the axis of said valve rod, and the shape and size of said valve rod slideway and the shape and size of said valve rod adapt; Said valve rod and said valve rod slideway are slidingly connected; The shape and size on the shape and size of said spool face and said valve base channel surface adapt, and said valve rod is positioned at the position of forefront in said valve rod slideway, and said spool is connected with the airtight contact of said valve base channel; The front end and the rear end of said valve base channel do not connect; Said valve rod is not positioned at the position of forefront in said valve rod slideway, said spool does not contact with said valve base channel, and the front end of said valve base channel and rear end connect; The valve rod driving mechanism is set, and said valve rod driving mechanism and said valve rod are in transmission connection.
2. injection equipment according to claim 1 is characterized in that: the volume in said accumulation of energy chamber and the injection flow of injection equipment adapt.
3. injection equipment according to claim 1 is characterized in that: said valve stem passage endoporus is provided with one or more, the quantity of said valve stem passage endoporus or/and the injection flow of sectional area and injection equipment adapt.
4. injection equipment according to claim 3 is characterized in that: a plurality of said valve stem passage endoporus are uniformly distributed with setting at the circumferencial direction of said valve rod.
5. injection equipment according to claim 1 is characterized in that: said accumulation of energy chamber is around said valve rod setting.
6. injection equipment according to claim 1 is characterized in that: said injection valve is cone valve or ball valve.
7. injection equipment according to claim 1 is characterized in that: the sectional area of the sectional area of inlet, the sectional area of valve stem passage, valve base channel or/and the injection flow of the sectional area of spout and injection equipment adapt.
8. injection equipment according to claim 1; It is characterized in that: said valve rod driving mechanism is a manual drives mechanism; Said manual drives mechanism be provided with the hinged spanner of said housing and with the back-moving spring of spanner or valve rod Elastic Contact, said spanner and said valve rod are in transmission connection.
9. injection equipment according to claim 1; It is characterized in that: said valve rod driving mechanism is electric driving mechanism, pneumatic drive mechanism or hydraulic drive mechanism; Said electric driving mechanism, pneumatic drive mechanism or hydraulic drive mechanism are provided with driving element, and said driving element and said valve rod are in transmission connection.
CN 201120370886 2011-09-30 2011-09-30 Jetting mechanism Expired - Fee Related CN202398455U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120370886 CN202398455U (en) 2011-09-30 2011-09-30 Jetting mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120370886 CN202398455U (en) 2011-09-30 2011-09-30 Jetting mechanism

Publications (1)

Publication Number Publication Date
CN202398455U true CN202398455U (en) 2012-08-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120370886 Expired - Fee Related CN202398455U (en) 2011-09-30 2011-09-30 Jetting mechanism

Country Status (1)

Country Link
CN (1) CN202398455U (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104324853A (en) * 2014-09-25 2015-02-04 北京北机机电工业有限责任公司 Jet device having storage chamber
CN105710094A (en) * 2016-03-21 2016-06-29 郑州恒锦峰工贸有限公司 Cleaning device and cleaning method for high-pressure pneumatic pipeline
CN106269342A (en) * 2016-08-31 2017-01-04 北京北机机电工业有限责任公司 A kind of injection equipment
CN107350102A (en) * 2016-04-20 2017-11-17 新仓工业株式会社 Spray nozzle device
CN110547179A (en) * 2019-10-15 2019-12-10 岭南生态文旅股份有限公司 Green belt is irrigated and is used assembled shower nozzle
CN112274821A (en) * 2020-10-27 2021-01-29 袁文莹 Ornamental flowerpot based on use under conflagration condition
CN112337676A (en) * 2020-09-16 2021-02-09 北京北机机电工业有限责任公司 Injection mechanism
CN114682409A (en) * 2022-04-07 2022-07-01 魏峰 Spraying assembly for engineering machinery

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104324853A (en) * 2014-09-25 2015-02-04 北京北机机电工业有限责任公司 Jet device having storage chamber
CN104324853B (en) * 2014-09-25 2017-03-15 北京北机机电工业有限责任公司 A kind of injection apparatus with storage chamber
CN105710094A (en) * 2016-03-21 2016-06-29 郑州恒锦峰工贸有限公司 Cleaning device and cleaning method for high-pressure pneumatic pipeline
CN107350102A (en) * 2016-04-20 2017-11-17 新仓工业株式会社 Spray nozzle device
CN107350102B (en) * 2016-04-20 2019-06-14 新仓工业株式会社 Spray nozzle device
CN106269342A (en) * 2016-08-31 2017-01-04 北京北机机电工业有限责任公司 A kind of injection equipment
CN106269342B (en) * 2016-08-31 2018-11-27 北京北机机电工业有限责任公司 A kind of injection equipment
CN110547179A (en) * 2019-10-15 2019-12-10 岭南生态文旅股份有限公司 Green belt is irrigated and is used assembled shower nozzle
CN112337676A (en) * 2020-09-16 2021-02-09 北京北机机电工业有限责任公司 Injection mechanism
CN112274821A (en) * 2020-10-27 2021-01-29 袁文莹 Ornamental flowerpot based on use under conflagration condition
CN112274821B (en) * 2020-10-27 2021-11-05 苏州帅泽信息科技有限公司 Ornamental flowerpot based on use under conflagration condition
CN114682409A (en) * 2022-04-07 2022-07-01 魏峰 Spraying assembly for engineering machinery

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120829

Termination date: 20170930