CN204170875U - Hot water jet rifle - Google Patents
Hot water jet rifle Download PDFInfo
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- CN204170875U CN204170875U CN201420598786.7U CN201420598786U CN204170875U CN 204170875 U CN204170875 U CN 204170875U CN 201420598786 U CN201420598786 U CN 201420598786U CN 204170875 U CN204170875 U CN 204170875U
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- compression cylinder
- stem
- spraygun body
- hot water
- water jet
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Abstract
The utility model discloses a kind of hot water jet rifle, comprise spraygun body, the inside of spraygun body is provided with the compression cylinder of equal lateral arrangement, heating tube and can the main shaft of rotation, main shaft is driven by the drive unit be arranged in spraygun body afterbody, heating tube is positioned at below compression cylinder, heating tube is provided with some boccas towards compression cylinder, and compression cylinder lumen caudal is sealed and installed with can the tail undercarriage assembly of rotation; The turbocharging chamber be communicated with compression cylinder stem is provided with in spraygun body stem; Spraygun body afterbody is provided with the water inlet pipe for being communicated with water source and compression cylinder afterbody, and spraygun body stem is provided with flow-guiding mouth, is provided with the nozzle be communicated with turbocharging chamber stem in flow-guiding mouth.The utility model devises a kind of energy and fast, effectively prevents crime and prevent human or animal from encroaching on the hot water jet rifle of other people property safety, and it is safe and effective, with low cost, also can be used for shifting a large amount of nonflammable liquid and viscous liquid in industry.
Description
Technical field
The utility model relates to thermodynamics field, refers to a kind of hot water jet rifle particularly.
Background technology
First, ad initio, in the world Anywhere, the mode that people adopt tradition to defend oneself or safeguard, as club, cutter, stone, bullet, rifle or teargas etc., to tackle assailant, rioter, large-scale harmful insect or wild animal, and these modes are all for partial nerve role.The skin surface of human and animal comprises the sensor nerve of 98%, when these nerves touch boiling hot object, as fire or boiling water, they can send signal to brain and take urgent action immediately, the unique reaction of brain only has flee danger or screams because of serious pain, can not take any further attack behavior within one period of long period.
Secondly, sometimes need to shift a large amount of hot water in human being's production life, the main method of the hot water that transfer is a large amount of uses water power pump at present, drives this kind of water power pump to need to consume a large amount of energy, and some situation be not suitable for using water power pump.
Summary of the invention
The purpose of this utility model to change the method that tradition treats offender, and design quick, the effective prevention crime of a kind of energy and prevent human or animal from encroaching on the hot water jet rifle of other people property safety, it is safe and effective, with low cost, also can be used in industry, shifting a large amount of nonflammable liquid and viscous liquid, and do not need to use water power pump.
For achieving the above object, hot water jet rifle designed by the utility model, comprise spraygun body, the inside of described spraygun body is provided with the compression cylinder of equal lateral arrangement, heating tube and can the main shaft of rotation, described main shaft is driven by the drive unit be arranged in described spraygun body afterbody, described heating tube is positioned at below described compression cylinder, described heating tube is provided with some boccas towards described compression cylinder, described compression cylinder lumen caudal is sealed and installed with can the tail undercarriage assembly of rotation, the installation end of described tail undercarriage assembly runs through described compression cylinder and stretches out, the extension of described tail undercarriage assembly is in transmission connection by the tail end of gear shaft and described main shaft,
The turbocharging chamber be communicated with described compression cylinder stem is provided with in described spraygun body stem, being provided with in described turbocharging chamber can the charging turbine of rotation, described charging turbine one end is connected with the head end of described main shaft, and the described charging turbine other end is provided with stem screw assembly;
Described spraygun body afterbody is provided with the water inlet pipe for being communicated with water source and described compression cylinder afterbody, described spraygun body afterbody is also provided with the air inlet pipe for being communicated with source of the gas and described heating tube, described spraygun body stem is provided with flow-guiding mouth, is provided with the nozzle be communicated with described turbocharging chamber stem in described flow-guiding mouth.
Further, multiple pressuring plate is vertically arranged with in described compression cylinder, described pressuring plate is the corrosion resistant plate identical with described compression cylinder internal diameter, and described pressuring plate and the inwall of described compression cylinder are that 60 ~ 80 ° of angle directions are welded, and described pressuring plate has arc groove.After current enter compression cylinder inner chamber, from the arc groove pressuring plate to Outlet-side flow, increase the pressure of current by arranging pressuring plate.
Further, described pressuring plate is semicircular structure, and on each described pressuring plate, the diameter of arc groove reduces along described compression cylinder afterbody successively to stem direction, and current increase successively through pressuring plate pressure.
Further, the distance between each described pressuring plate reduces along described compression cylinder afterbody successively to stem direction, and current increase further through each pressuring plate pressure.
Further, each described pressuring plate interleaved is arranged on top and the bottom of described compression cylinder inwall, and current are zigzag route through each pressuring plate, increases the distance of current in compression cylinder, extends the time that current heat in compression cylinder.
Further, the quantity of described compression cylinder is the axisymmetrical layout of 2, two relatively described main shafts of described compression cylinder.
Further, the stem of described compression cylinder is throat structure, and further increase current enter pressure during turbocharging chamber.
Further, described drive unit is by rechargeable battery powered, described tail undercarriage assembly is provided with tachogenerator, when the blade rotary speed of described tail undercarriage assembly reaches preset value, rechargeable battery is stopped power supply, and is provided with temperature sensor and pressure-control valve in described compression chamber stem.Tail undercarriage assembly is driven by rechargeable battery when starting, and the current entering compression cylinder inner chamber after the running of tail undercarriage assembly maintain tail undercarriage assembly and rotate, and after blade rotary speed reaches certain value, can close battery-operated.Temperature sensor and pressure-control valve are safety device, and temperature sensor makes operating personnel can control within safe range by the temperature of compression cylinder exit liquid, and pressure-control valve ensures that the force value of compression cylinder inner chamber is within safe range.
Further, described water source is mobile water tank, and described source of the gas is natural gas tank, and water source and source of the gas also can be fixed with other or mobile containers replaces.
Further, described spraygun body upper rear is provided with handle, is provided with base bottom described spraygun body.Handle handled easily librarian use, base adopts rotary type, is bolted with spraygun body.
Principle of the present utility model is enter water in compression cylinder inner chamber or other nonflammable liquid by heated by natural gas, molecular link due to heated liquid inside is broken and becomes discrete Small molecular, consequently reduce the density of liquid, therefore can fast transfer at compression cylinder inner chamber.From the whole world use at present the water of boiling or other spray liquid insects, weeds or commercial Application method different, use the utility model the water at water source or other liquid Fast Heating can be shifted, whole process is carried out in this device inside, do not need to use electric pump, without any need for external heat equipment yet.
The scope of application of the present utility model widely, mainly comprises following several aspect:
1) replace conventional method and tackle attacker, spray boiling High-Pressure Water to attacker, act on the most sensing nerve tip of attacker, the brain of attacker is benumbed instantaneously due to the pain that health is violent, thus stops raiding behavior.Use the utility model effectively can prevent, prevent and eliminate act of violence, and to the injury of attacker much smaller than the mortal wound such as bullet or cutter pest.
2) clean external wall of high-rise building or exterior wall glass, fast melt accumulated snow and remove large-area weeds.The utility model is made into main equipment, boiling High-Pressure Water can be sprayed to large area region quickly and efficiently, meet people's productive life needs.
3) as security device, the utility model can form safety-protection system with camera alarm, stops illegal invasion, ensures Security Personnel's safety.
4) as the self-defence instrument carried with.
5) hot water is provided and as calorie source, the utility model can be does not have the house of electric power and fuel to provide hot water.
6) shift a large amount of nonflammable liquid, replace heavy electric machinery pump, a large amount of nonflammable liquid of efficient transfer.
The utility model is safe and reliable, reduces the application cost of conventional method, saves the more time, bring more safety.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model;
Fig. 2 is the stravismus structural representation of Fig. 1.
In figure: 1. spraygun body, 2. compression cylinder, 3. water inlet pipe, 4. heating tube, 5. main shaft, 6. spindle carrier, 7. mainshaft gear, 8. gear shaft, 9. tail undercarriage assembly, 10. draining valve, 11. anticorrosion electrodes, 12. pressuring plates, 13. safety relief valves, 14. temperature sensors, 15. pressure-control valves, 16. turbine base plates, 17. charging turbines, 18. stem screw assemblies, 19. adjustable plates, 20. nozzle covers, 21. nozzles, 22. passages, 23. handles, 24. control panels, 25. steam vents, 26. bases, 27. turbocharging chambeies, 28. mobile water tanks, 29. natural gas tanks, 30. air inlet pipe, 31. drive units.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Hot water jet rifle as depicted in figs. 1 and 2, comprise the spraygun body 1 that there are two identical compression cylinders 2 inside, the afterbody of spraygun body 1 is provided with water inlet pipe 3 and air inlet pipe 30, and front end is provided with nozzle 21.Spraygun body 1 utilizes compression cylinder 2 that the water inputted from water inlet pipe 3 or other nonflammable liquid pressings are heated to boiling temperature, and the nozzle 21 then by being arranged on front end sprays.Spraygun body 1 produces boiling High-Pressure Water, and is not high steam.
The inside of spraygun body 1 is provided with the compression cylinder 2 of equal lateral arrangement, heating tube 4 and can the main shaft 5 of rotation, and main shaft 5 is driven by the drive unit 31 be arranged in spraygun body 1 afterbody.The inside of spraygun body 1 is vertically arranged with the rotary shaft rack 6 for supporting main shaft 5, and main shaft 5 is connected with rotary shaft rack 6 by bearing.Heating tube 4 is positioned at below compression cylinder 2, and heating tube 4 is provided with some boccas towards compression cylinder 2, and bocca is arranged along compression cylinder 2 length direction.Heating tube 4 can replace with heating wire, by being arranged on the electric-heating-wire-heating bottom compression cylinder 2, can reach the effect of fluid temperature in heating compression cylinder 2 equally.Spraygun body 1 afterbody is provided with the water inlet pipe 3 for being communicated with water source and compression cylinder 2 afterbody, and the input of water inlet pipe 3 is communicated with water source, and water source can be Portable movable container, as mobile water tank 28, also can be the tun of fixed placement; Spraygun body 1 afterbody is also provided with the air inlet pipe 30 for being communicated with source of the gas and heating tube 4, and the input of air inlet pipe 30 is communicated with source of the gas, and source of the gas can be provided by natural gas tank 29 or other combustible gas source.Water inlet pipe 3 place of spraygun body 1 arranges main valve, and is connected with mobile water tank 28 by water main, and water main is divided into two distributive pipes to be communicated with the bottom of two compression cylinders 2 respectively in spraygun body 1 inside, for two compression cylinders 2 provide water source.Two distributive pipes of water inlet pipe 3 respectively by the inner space of check valve and two compression cylinders 2, in order to avoid the water entering compression cylinder 2 is back to mobile water tank 28.Air inlet pipe 30 place of spraygun body 1 arranges valve, and air inlet pipe 30 is communicated with natural gas tank 29, and air inlet pipe 30 is communicated with two heating tubes 4 in spraygun body 1 inside.
Compression cylinder 2 lumen caudal is sealed and installed with can the tail undercarriage assembly 9 of rotation, tail undercarriage assembly 9 is made up of multi-disc blade and connecting rod, the installation end of tail undercarriage assembly 9 runs through compression cylinder 2 and stretches out, and the extension of tail undercarriage assembly 9 is in transmission connection by the tail end of gear shaft 8 with main shaft 5.Drive unit 31, by rechargeable battery powered, tail undercarriage assembly 9 is provided with tachogenerator, and when the blade rotary speed of tail undercarriage assembly 9 reaches preset value, rechargeable battery is stopped power supply.During work, drive unit 31 drives tail undercarriage assembly 9 to start to rotate, and the water entering compression cylinder 2 is pushed to the Way out of compression cylinder 2 by the tail undercarriage assembly 9 of rotation.The blade quantity of tail undercarriage assembly 9 can according to the hydraulic pressure size adjustment entering compression cylinder 2.Current are pressure increase after blade driven rotary, increases further at the water export place pressure at the top of fan cover.
Be vertically arranged with multiple pressuring plate 12 in compression cylinder 2, pressuring plate 12 is the corrosion resistant plate identical with compression cylinder 2 internal diameter, and pressuring plate 12 is 70 with the inwall of compression cylinder 2
°angle direction is welded, but each pressuring plate 12 has the arc groove of different-diameter.Pressuring plate 12 is semicircular structure, and on each pressuring plate 12, the diameter of arc groove reduces along compression cylinder 2 afterbody successively to stem direction.Distance between each pressuring plate 12 reduces along compression cylinder 2 afterbody successively to stem direction.By the largest diameter of arc groove on first pressuring plate 12 of screw assembly 9, on second pressuring plate 12, the diameter of arc groove is less than first pressuring plate 12, on 3rd pressuring plate 12, the diameter of arc groove is less than second pressuring plate 12, and the distance between the 3rd pressuring plate 12 and second pressuring plate 12 is less than the distance between second pressuring plate 12 and first pressuring plate, that is, along the flow direction of current in compression cylinder 2, the distance on pressuring plate 12 between the diameter of arc groove and pressuring plate 12 reduces all successively.Such design is to apply larger pressure to current, all providing boiling High-Pressure Water efficiently to make two compression cylinders 2.
The another kind of embodiment of pressuring plate 12 is semicircle corrosion resistant plate, pressuring plate 12 interleaved is arranged on top and the bottom of compression cylinder 2 inwall, current with pressure are being added in thermal expansion process in zigzag path, then the stroke of current with pressure in compression cylinder 2 is greater than the length of compression cylinder 2, and adds the heat time.Current with pressure in compression cylinder 2 are heated to 90 °, and the hydrone flow velocity arrived in the current with pressure of last block pressuring plate 12 is faster closer to steam condition.
The stem of compression cylinder 2 is throat structure.Be provided with the turbocharging chamber 27 be communicated with compression cylinder 2 stem in spraygun body 1 stem, the bottom in turbocharging chamber 27 is the turbine base plate 16 offseted with compression cylinder 2 stem.Turbocharging chamber 27 is horizontal taper shape, the outlet of bottom and compression cylinder 2.Being provided with in turbocharging chamber 27 can the charging turbine 17 of rotation, and charging turbine 17 one end is connected with the head end of main shaft 5, and charging turbine 17 other end is provided with stem screw assembly 18.Charging turbine 17 rotates with main shaft 5, drives the stem screw assembly 18 being arranged on its top with identical speed quick rotation.Mainshaft gear 7 on main shaft 5 drives the tail undercarriage assembly 9 of compression cylinder 2 li to rotate with identical speed with charging turbine 17.If the diameter of gear shaft 8 is less than mainshaft gear 7, then tail undercarriage assembly 9 is faster than the rotary speed of charging turbine 17, and the water velocity so entering compression cylinder 2 is faster.Temperature sensor 14 and pressure-control valve 15 is provided with in compression chamber 2 stem.The temperature value recorded sends to the control panel 24 being arranged on spraygun body 1 outside to show, so that operating personnel control the temperature of compression cylinder 2 inner chamber by temperature sensor 14.When in compression cylinder 2 during hypertonia, reduce in-cylinder pressure by the safety relief valve 13 being arranged on compression cylinder 2 exit.Compression cylinder 2 inner chamber arranges anticorrosion electrode 11, for removing corrosive compound in water.Draining valve 10 is arranged on the bottom of compression cylinder 2, for getting rid of the water in compression cylinder 2.
Spraygun body 1 stem is provided with flow-guiding mouth 20, is provided with the nozzle 21 be communicated with turbocharging chamber 27 stem in flow-guiding mouth 20.On the top of charging turbine 17, the High-Pressure Water of boiling is sprayed from the nozzle 21 of spraygun body 1 stem by after stem screw assembly 18 rotary presser, and nozzle 21 is multiple metallic nozzle composition.Flow-guiding mouth 20 is positioned at outside nozzle 21, and opening is left in centre, and flow-guiding mouth 20 and adjustable plate 19 are slidably matched.
The steam vent 25 for getting rid of the waste gas such as carbon dioxide is had above spraygun body 1.The bottom of spraygun body 1 is provided with passage 22, for vented exhaust.The bocca of heating tube 4 is provided with flame sensor, and control panel 24 is communicated with flame sensor, the flame conditions of display bocca.Nozzle 21 place is provided with water flow sensing unit, and control panel 24 is communicated with water flow sensing unit, the flow rate of water flow of display nozzle 21.Control panel 24 is also provided with switch, pressure alarm and temperature buzzer.
The rear portion of spraygun body 1 is provided with handle 23.Be bolted with rotatable base 26 bottom spraygun body 1, equipment can be rotated to any direction.
Application example 1: the utility model can be arranged on truck as jumbo, this jumbo is used for spraying boiling High-Pressure Water incessantly to large-scale destination object.The scope of application comprises:
-stop and beat back hundreds of violence molecule, destroy the offender of other people personal safety as well as the property safety.In conventional methods where, usually do not have enough armed forces to tackle for large-scale violence crowd, be difficult in the short time simultaneously stop riot, there is the risk brought and massacre.Use hot water jet rifle to have the effect of getting instant result, by minimization of loss, make the people of injected scald easily identify thus arrest fast.
-clean external wall of high-rise building or exterior wall glass.Hot water jet rifle can remove exterior wall accumulation dirt for many years safely and effectively fast.Dust on most of building window can fly into room, brings healthy hidden danger to the people working in room or live.In conventional methods where, two people are suspended on skin and can only clean a pocket with hand in several hours.Spray to skin the exterior wall that hot water can clean 30 floor rooms in 30 minutes with hot water jet rifle.
-fast melt accumulated snow.The accumulated snow local to roof, skin, building entrance, passage, garage port etc. uses hot water jet rifle, can save time, cost, avoids unexpected generation.
-remove large-area weeds.Hot water jet rifle can kill weeds, weeds, mouse, snake, insect, wasp, mosquito etc.In conventional methods where, require a great deal of time, manpower and materials, remove large-scale harmful organism by various truck, instrument, chemical substance.Use the utility model only to need a people to spray on truck, large-area weeds can be removed within half a day.
Application example 2: concealed location mini-plant of the present utility model being fixedly installed on fence, is connected with alarm and camera, forms security system, as army, private residence, bank, building or other need to monitor the security protection in place.The method is safe and effective, drops to minimum by risk injured for Security Personnel.
Application example 3: the utility model is as small type mobile devices, and size is similar to water gun, can be used for the self-defence instrument tackling wild beast and violence molecule.The time of crisis that user is on the hazard in life security, can be used for individual and defends oneself.There is every day people to die from paroxysmal attack in the world, for alone walking at night or the people in desert, use the utility model to be a kind of effective ways ensureing life security.
Application example 4: medium size installations of the present utility model can be used for cooking and providing hot water.Do not having the house of electric power and fuel gas, hot water jet rifle can be equipment moving region of not having a bath or cook and provides hot water, meets people's daily life needs, can also effectively utilize freezing in its melting vehicle glass or communal facility.
Application example 5: the utility model, as jumbo, for shifting nonflammable liquid, replaces the heavy electric machinery pump needing to consume mass energy.
The hot water jet rifle that my statement describes except above-mentioned description and accompanying drawing, the structure of hot water jet rifle of the present invention, material, shape, size, size and function can also be modified, adjust and revise, to be applicable to following life application anywhere, thus to save life, save money and save time.
Claims (10)
1. a hot water jet rifle, it is characterized in that: comprise spraygun body (1), the inside of described spraygun body (1) is provided with the compression cylinder (2) of equal lateral arrangement, heating tube (4) and can the main shaft (5) of rotation, described main shaft (5) is driven by the drive unit (31) be arranged in described spraygun body (1) afterbody, described heating tube (4) is positioned at described compression cylinder (2) below, described heating tube (4) is provided with some boccas towards described compression cylinder (2), described compression cylinder (2) lumen caudal is sealed and installed with can the tail undercarriage assembly (9) of rotation, the installation end of described tail undercarriage assembly (9) runs through described compression cylinder (2) and stretches out, the extension of described tail undercarriage assembly (9) is in transmission connection by the tail end of gear shaft (8) with described main shaft (5),
The turbocharging chamber (27) be communicated with described compression cylinder (2) stem is provided with in described spraygun body (1) stem, being provided with in described turbocharging chamber (27) can the charging turbine (17) of rotation, described charging turbine (17) one end is connected with the head end of described main shaft (5), and described charging turbine (17) other end is provided with stem screw assembly (18);
Described spraygun body (1) afterbody is provided with the water inlet pipe (3) for being communicated with water source and described compression cylinder (2) afterbody, described spraygun body (1) afterbody is also provided with the air inlet pipe (30) for being communicated with source of the gas and described heating tube (4), described spraygun body (1) stem is provided with flow-guiding mouth (20), is provided with the nozzle (21) be communicated with described turbocharging chamber (27) stem in described flow-guiding mouth (20).
2. hot water jet rifle according to claim 1, it is characterized in that: in described compression cylinder (2), be vertically arranged with multiple pressuring plate (12), described pressuring plate (12) is the corrosion resistant plate identical with described compression cylinder (2) internal diameter, described pressuring plate (12) and the inwall of described compression cylinder (2) are that 60 ~ 80 ° of angle directions are welded, and (12) have arc groove to described pressuring plate.
3. hot water jet rifle according to claim 2, it is characterized in that: described pressuring plate (12) is semicircular structure, the diameter of the upper arc groove of each described pressuring plate (12) reduces along described compression cylinder (2) afterbody successively to stem direction.
4. hot water jet rifle according to claim 3, is characterized in that: the distance between each described pressuring plate (12) reduces along described compression cylinder (2) afterbody successively to stem direction.
5. hot water jet rifle according to claim 4, is characterized in that: each described pressuring plate (12) interleaved is arranged on top and the bottom of described compression cylinder (2) inwall.
6. hot water jet rifle according to claim 5, is characterized in that: the quantity of described compression cylinder (2) is the axisymmetrical layout of 2,2 relatively described main shafts (5) of described compression cylinder (2).
7. hot water jet rifle according to claim 6, is characterized in that: the stem of described compression cylinder (2) is throat structure.
8. hot water jet rifle according to claim 6, it is characterized in that: described drive unit (31) is by rechargeable battery powered, described tail undercarriage assembly (9) is provided with tachogenerator, when the blade rotary speed of described tail undercarriage assembly (9) reaches preset value, rechargeable battery is stopped power supply, and is provided with temperature sensor (14) and pressure-control valve (15) in described compression chamber (2) stem.
9. hot water jet rifle according to claim 6, is characterized in that: described water source is mobile water tank (28), and described source of the gas is natural gas tank (29).
10. hot water jet rifle according to claim 6, is characterized in that: described spraygun body (1) upper rear is provided with handle (23), and described spraygun body (1) bottom is provided with base (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420598786.7U CN204170875U (en) | 2014-10-16 | 2014-10-16 | Hot water jet rifle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420598786.7U CN204170875U (en) | 2014-10-16 | 2014-10-16 | Hot water jet rifle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204170875U true CN204170875U (en) | 2015-02-25 |
Family
ID=52559712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420598786.7U Expired - Fee Related CN204170875U (en) | 2014-10-16 | 2014-10-16 | Hot water jet rifle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204170875U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108323320A (en) * | 2018-02-02 | 2018-07-27 | 李嘉炜 | A kind of novel multi-functional tea picking machine |
| CN111119937A (en) * | 2019-12-10 | 2020-05-08 | 王德志 | Spray gun for concrete wet spraying machine |
| CN112127598A (en) * | 2020-09-27 | 2020-12-25 | 郭育泉 | Putty thick liquids spraying device |
-
2014
- 2014-10-16 CN CN201420598786.7U patent/CN204170875U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108323320A (en) * | 2018-02-02 | 2018-07-27 | 李嘉炜 | A kind of novel multi-functional tea picking machine |
| CN111119937A (en) * | 2019-12-10 | 2020-05-08 | 王德志 | Spray gun for concrete wet spraying machine |
| CN111119937B (en) * | 2019-12-10 | 2022-07-05 | 浙江天石建材有限公司 | Spray gun for concrete wet spraying machine |
| CN112127598A (en) * | 2020-09-27 | 2020-12-25 | 郭育泉 | Putty thick liquids spraying device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20151016 |
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| EXPY | Termination of patent right or utility model |