CN108745693B - Be used for anticorrosive spray gun of high voltage power transmission and transformation framework - Google Patents
Be used for anticorrosive spray gun of high voltage power transmission and transformation framework Download PDFInfo
- Publication number
- CN108745693B CN108745693B CN201810507981.7A CN201810507981A CN108745693B CN 108745693 B CN108745693 B CN 108745693B CN 201810507981 A CN201810507981 A CN 201810507981A CN 108745693 B CN108745693 B CN 108745693B
- Authority
- CN
- China
- Prior art keywords
- cavity
- spray gun
- storage cavity
- power transmission
- voltage power
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
- B05B9/085—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/12—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means capable of producing different kinds of discharge, e.g. either jet or spray
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/004—Arrangements for controlling delivery; Arrangements for controlling the spray area comprising sensors for monitoring the delivery, e.g. by displaying the sensed value or generating an alarm
- B05B12/006—Pressure or flow rate sensors
- B05B12/008—Pressure or flow rate sensors integrated in or attached to a discharge apparatus, e.g. a spray gun
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/58—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter preventing deposits, drying-out or blockage by recirculating the fluid to be sprayed from upstream of the discharge opening back to the supplying means
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Nozzles (AREA)
- Electrostatic Spraying Apparatus (AREA)
Abstract
The invention discloses an anticorrosive spray gun for a high-voltage power transmission and transformation framework, which comprises a gun body, wherein a material storage cavity is arranged at the upper part of the gun body, a shell of the gun body, which is positioned at the upper part of the material storage cavity, is provided with a sealing cover hole with internal threads, and a sealing cover is screwed in the sealing cover hole in a threaded manner. The inside first cavity that is provided with of grab handle of the rifle body, the inside second cavity that is provided with of grab handle feed end, grab handle internal surface are provided with button and cushion, the grab handle surface mounting of first cavity department has the apron. The storage cavity is communicated with the second cavity through a feeding pipe, and the storage cavity is communicated with the material passing end of the connecting rod through a discharging pipe. The non-through material end of connecting rod is provided with the connection pad, the connection pad has the carousel through the ring channel joint that sets up on the joint interface and the connection pad inner wall at quotation center. The invention has the advantages of stable and uniform spraying of the anticorrosive paint, flexible adjustment of the paint diffusion area and the spraying mode according to the shape and the surface area of a spraying component, paint saving, and no space occupation by self-pressurization and pressure regulation.
Description
Technical Field
The invention relates to the technical field of anticorrosive spraying of power transmission and transformation frameworks, in particular to an anticorrosive spray gun for a high-voltage power transmission and transformation framework.
Background
At present, most of domestic large-scale high-voltage power transmission and transformation frameworks adopt steel structural members, and the high-voltage power transmission and transformation frameworks are generally in the field environment and are in severe natural environment conditions such as strong light exposure, rain and fog sprinkling and the like for a long time. Therefore, the high-voltage power transmission and transformation framework is corroded in the long-term use process, and the high-voltage power transmission and transformation framework needs to be subjected to corrosion prevention work in order to ensure the safety and the long-term use of the high-voltage power transmission and transformation framework. Considering that the volume of a high-voltage power transmission and transformation framework is generally huge, the corrosion prevention of the high-voltage power transmission and transformation framework at present is generally carried out by spraying an anticorrosive paint by a spray gun. However, in the process of spraying the anticorrosive paint, the existing spray gun cannot spray the corresponding area according to the specific length, width, surface area and shape structure of the frame to be sprayed, and the defects of paint waste or unstable and uniform spraying and space occupation of external supercharging equipment can be caused in the spraying process.
Disclosure of Invention
Aiming at the defects that the traditional anticorrosive spray gun is not stable and uniform enough in spraying effect, the spraying area cannot be adjusted according to the surface area and the shape structure of an actual spraying framework, and the self-pressurization and pressure regulation cannot be realized, the invention aims to provide the anticorrosive spray gun for the high-voltage power transmission and transformation framework, which realizes the spraying functions of self-pressurization, pressure regulation, uniform spraying and adjustable spraying area and mode, and has the effects of better, stable and uniform spraying effect, self-pressurization, pressure regulation and spraying, and adjustable spraying area and mode.
The invention is realized by the following technical scheme:
the utility model provides a be used for anticorrosive spray gun of high pressure power transmission and transformation framework, includes the rifle body, apron, closing cap, rifle body upper portion is provided with the storage cavity, and the rifle body is located the casing on storage cavity upper portion is seted up and is had the internal screw thread closing cap hole, spiro union screw in the closing cap hole have the closing cap.
The inside storage cavity department that is close to of grab handle of the rifle body is provided with first cavity, and the inside second cavity that is provided with of grab handle feed end, grab handle inboard surface are provided with cushion and button. The grab handle surface mounting of first cavity department has the apron, the storage cavity passes through inlet pipe and second cavity intercommunication, and the storage cavity passes through the logical material end intercommunication of discharging pipe and connecting rod. The non-through end of connecting rod is provided with the connection pad, the connection pad of connecting rod has the carousel through setting up the ring channel joint on the joint mouth at quotation center and the connection pad inner wall, the carousel can be along the connection pad inner wall ring channel rotation of connecting rod.
And a storage battery, an electric control module and an air pump are arranged in the first cavity. The air pump is communicated with the lower part of the material storage cavity through an air pump pipe and is electrically connected with the electric control module. The second cavity internally mounted has the suction pump, the suction pump passes through inlet pipe and storage cavity lower part intercommunication, suction pump and automatically controlled module electric connection.
Preferably, the rotary table surface of the rotary table is provided with adjusting holes in a circumferential shape at positions corresponding to the connecting rod passage.
Preferably, the adjusting holes on the surface of the rotary table are composed of small through holes with different diameters and different numbers or trapezoidal wedges with different sizes.
Preferably, an annular sealing element is arranged on the connecting surface of the connecting rod and the gun body, and a first annular sealing ring and a second annular sealing ring are arranged on the connecting surface of the turntable and the connecting rod connecting disc.
Preferably, the outer surface of the end shell at the feeding end of the gun body is provided with an external thread or a clamping buckle.
Preferably, a pressure sensor (model: XL-802A) electrically connected with the electronic control module is arranged on the discharge pipe, the discharge pipe is also communicated with a return pipe, and the other end of the return pipe is communicated with the material storage cavity.
Preferably, a one-way valve is arranged on the pipeline of the feeding pipe.
Preferably, the cushion block and the button are made of insulating materials, and anti-skid patterns are arranged on the outer surface of the cushion block.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) the invention realizes that the spray gun synchronously performs the self-pressurization of the coating in the coating spraying working process by the components such as the air pump, the suction pump and the like which are arranged in the cavity of the gun body shell, does not need external pressurization equipment, has the advantage of self-pressurization of the synchronous spraying working compared with the traditional spray gun, and can ensure that the coating is sprayed more uniformly.
(2) The spray gun has the advantages that the spray diffusion area of the coating is flexibly adjustable, the coating is saved, and the spraying is more uniform compared with the traditional spray gun.
(3) The invention realizes the function of self-pressurization and pressure-regulation spraying in the coating spraying process by arranging the electric control module, the pressure sensor, the air pump, the suction pump and other components, and compared with the traditional spray gun, the invention has the advantages of self-pressurization and pressure regulation, no external pressurization equipment and no occupation of excessive space.
(4) According to the invention, the connection part of the gun body is provided with the thread or the quick-inserting port, so that the gun body and other components can be assembled and disassembled quickly.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 2 is a schematic sectional view of the gun body;
FIG. 3 is a schematic view of a connecting rod structure;
FIG. 4 is a schematic diagram of a rotary disk.
Wherein: 1-gun body; 2-cover plate; 3-a suction pump; 4-a storage battery; 5-an electronic control module; 6, an air pump; 7-sealing the cover; 8-a connecting rod; 9-a turntable; 10-a first sealing ring; 11-a second sealing ring; 12-a button; 13-cushion block; 14-a pressure sensor; 41-a material storage cavity; 42-a first cavity; 43-a second cavity; 51-air pump tubing; 52-feed pipe; 53 discharge pipe; 54-return line.
Detailed Description
Example 1:
the anti-corrosion spray gun for the high-voltage power transmission and transformation framework comprises a gun body 1, a cover plate 2 and a sealing cover 7, wherein a material storage cavity 41 is arranged at the upper part of the gun body 1, a sealing cover hole with internal threads is formed in a shell, positioned at the upper part of the material storage cavity 41, of the gun body 1, and the sealing cover 7 is screwed in the sealing cover hole in a threaded manner. The closure 7 can be opened to check the interior of the storage chamber 41 if necessary.
A first cavity 42 is formed in the position, close to the material storage cavity 41, inside the grab handle of the gun body 1, a second cavity 43 is formed inside the feeding end of the grab handle, and a button 12 and a cushion block 13 are arranged on the inner side surface of the grab handle. The surface of the grab handle at the first cavity 42 is provided with the cover plate 2, the material storage cavity 41 is communicated with the second cavity 43 through a material inlet pipe 52, and the material storage cavity 41 is communicated with the material passing end of the connecting rod 8 through a material outlet pipe 53. The non-through end of connecting rod 8 is provided with the connection pad, the connection pad of connecting rod 8 has carousel 9 through setting up the ring channel joint on the joint interface at quotation center and connection pad inner wall, carousel 9 can be along the connection pad inner wall ring channel internal rotation of connecting rod 8.
The storage battery 4, the electronic control module 5 and the air pump 6 are arranged in the first cavity 42, the air pump 6 is communicated with the lower part of the storage cavity 41 through an air pump pipe 51, and the air pump 6 is electrically connected with the electronic control module 5. The suction pump 3 is installed in the second cavity 43, the suction pump 3 is communicated with the lower part of the material storage cavity 41 through a feeding pipe 52, and the suction pump 3 is electrically connected with the electronic control module 5.
The pipeline of the feeding pipe 52 is provided with a one-way valve, the discharging pipe 53 is provided with a pressure sensor 14 (model: XL-802A) electrically connected with the electronic control module 5, the discharging pipe 52 is also communicated with a return pipe 54, and the other end of the return pipe 54 is communicated with the material storage cavity 41.
The working principle and the using mode are as follows:
when the anticorrosive spraying operation of the high-voltage power transmission and transformation framework is carried out, a worker presses the button 14 to communicate the storage battery 4, and the storage battery 4 supplies power to the suction pump 3, the electronic control module 5 and the air pump 6. The suction pump 3 draws in and delivers paint through the feed tube 52 to the reservoir chamber 41, and a one-way valve on the feed tube 52 prevents reverse flow of paint. After the paint enters the storage cavity 41, the air pump 6 pumps air into the storage cavity 41 through the air pump pipe 51 to pressurize the paint and force the paint to enter the connecting rod 8 through the discharge pipe 53, and then the paint is sprayed out through the adjusting holes on the turntable 9 through the connecting rod 8 to the turntable 9. The surplus dope is returned to the stock chamber 41 through the return pipe 54. According to the frameworks with different spraying areas, the rotary table 9 can be rotated to change different adjusting holes, so that the spraying effects with different effects and diffusion areas are realized. The pressure sensor 14 (model: XL-802A) monitors the fluid pressure of the coating at the discharge pipe 53 in the whole spraying process and feeds monitoring data back to the electronic control module 5, and the electronic control module 5 controls the pumping power of the suction pump 3 and the air pump 6 according to the actual discharge fluid pressure to ensure that the fluid pressure of the coating is not too high or too low, thereby realizing the stable and uniform spraying of the coating.
Example 2:
the present embodiment is optimized based on embodiment 1, and as shown in fig. 1 and fig. 4, the rotary table surface of the rotary table 9 is provided with adjusting holes in a circumferential shape at positions corresponding to the passages of the connecting rods 8. The adjusting holes on the rotary table surface of the rotary table 9 can be formed by small through holes with different drift diameters and different quantities or trapezoidal wedge blocks with different sizes according to the requirements of actual use conditions, so that spraying operation with different flow rates and different spraying modes can be realized.
The rest of this embodiment is the same as embodiment 1, and thus, the description thereof is omitted.
Example 3:
the present embodiment is optimized based on the above embodiments, and as shown in fig. 1 and fig. 2, an annular sealing member is disposed on a connection surface of the connecting rod 8 and the gun body 1. And a first annular sealing ring 10 and a second annular sealing ring 11 are arranged on the connecting surface of the connecting disc of the turntable 9 and the connecting rod 8. The gun body 1 and the connecting rod 8 can be provided with a quick-connection interface and a quick-connection connector, so that the gun body 1 and the connecting rod 8 can be quickly disassembled and assembled. The feeding end of the grab handle of the gun body 1 can be provided with an external thread or a quick-plugging port for quickly connecting an external feeding device.
The rest of this embodiment is the same as the above embodiments, and therefore, the description thereof is omitted.
Example 4:
the embodiment is optimized on the basis of the above embodiment, and as shown in fig. 1, the button 12 and the cushion block 13 are made of insulating materials, so that electric shock hazard is prevented during spraying operation, the working safety is improved, the anti-slip patterns are arranged on the outer surface of the cushion block 13, the holding force of a worker holding a spray gun is increased, and the spray gun is prevented from slipping.
The rest of this embodiment is the same as the above embodiments, and therefore, the description thereof is omitted.
Example 5:
the embodiment is optimized on the basis of the above embodiment, and as shown in fig. 1, according to the actual spraying requirement, under the condition that the surface area and the shape of the frame to be sprayed do not change much, the function of switching the spraying mode is not needed, and at this time, the connecting rod 8 and the rotating disc 9 can be replaced by a general spray gun nozzle so as to be compatible with the general spraying mode.
The rest of this embodiment is the same as the above embodiments, and therefore, the description thereof is omitted.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (8)
1. An anticorrosion spray gun for a high-voltage power transmission and transformation framework comprises a gun body (1), a cover plate (2) and a sealing cover (7), and is characterized in that a material storage cavity (41) is arranged at the upper part of the gun body (1), a shell of the gun body (1) positioned at the upper part of the material storage cavity (41) is provided with a sealing cover hole with internal threads, and the sealing cover (7) is screwed in the sealing cover hole in a threaded manner; a first cavity (42) is arranged in a position, close to the material storage cavity (41), inside a grab handle of the gun body (1), a second cavity (43) is arranged inside a feed end of the grab handle, and a button (12) and a cushion block (13) are arranged on the inner side surface of the grab handle; the cover plate (2) is arranged on the surface of the grab handle at the first cavity (42); the material storage cavity (41) is communicated with the second cavity (43) through a material inlet pipe (52), and the material storage cavity (41) is communicated with the material passing end of the connecting rod (8) through a material outlet pipe (53); a connecting disc is arranged at the non-material passing end of the connecting rod (8); a connecting disc of the connecting rod (8) is clamped with a rotary disc (9) through a clamping interface arranged at the center of the disc surface and an annular groove on the inner wall of the connecting disc, and the rotary disc (9) can rotate along the annular groove on the inner wall of the connecting disc of the connecting rod (8); the discharge pipe (53) is provided with a pressure sensor (14) which is electrically connected with the electronic control module (5); the discharge pipe (53) is also communicated with a return pipe (54), and the other end of the return pipe (54) is communicated with the material storage cavity (41).
2. The anti-corrosion spray gun for the high-voltage power transmission and transformation framework is characterized in that a storage battery (4), an electronic control module (5) and an air pump (6) are installed in a cavity of the first cavity (42); the air pump (6) is communicated with the lower part of the material storage cavity (41) through an air pump pipe (51), and the air pump (6) is electrically connected with the electric control module (5); a suction pump (3) is arranged in the second cavity (43), the suction pump (3) is communicated with the lower part of the material storage cavity (41) through a feeding pipe (52), and the suction pump (3) is electrically connected with the electric control module (5); the storage battery (4) provides power matching for equipment needing power in the whole spray gun.
3. An anti-corrosion spray gun for high voltage electric transmission and transformation frameworks according to claim 2, characterized in that the pipe of the feed pipe (52) is provided with a one-way valve.
4. The anti-corrosion spray gun for the high-voltage power transmission and transformation framework is characterized in that adjusting holes are circumferentially formed in the rotary table surface of the rotary table (9) corresponding to the passage positions of the connecting rods (8).
5. The anti-corrosion spray gun for the high-voltage power transmission and transformation framework is characterized in that the adjusting holes on the rotary table surface of the rotary table (9) are composed of trapezoidal wedges with different diameters, different numbers of small through holes or different sizes.
6. The anti-corrosion spray gun for the high-voltage power transmission and transformation framework is characterized in that an annular sealing piece is arranged on the connecting surface of the connecting rod (8) and the gun body (1); and a first annular sealing ring (10) and a second annular sealing ring (11) are arranged on the connecting surface of the connecting disc of the turntable (9) and the connecting rod (8).
7. The anti-corrosion spray gun for the high-voltage power transmission and transformation framework is characterized in that an external thread or a clamping buckle is arranged on the outer surface of a shell at the end head of the feeding end of the gun body (1).
8. The anti-corrosion spray gun for the high-voltage power transmission and transformation framework is characterized in that the button (12) and the cushion block (13) are made of insulating materials, and the outer surface of the cushion block (13) is provided with anti-skid patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810507981.7A CN108745693B (en) | 2018-05-24 | 2018-05-24 | Be used for anticorrosive spray gun of high voltage power transmission and transformation framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810507981.7A CN108745693B (en) | 2018-05-24 | 2018-05-24 | Be used for anticorrosive spray gun of high voltage power transmission and transformation framework |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108745693A CN108745693A (en) | 2018-11-06 |
| CN108745693B true CN108745693B (en) | 2021-06-01 |
Family
ID=64005433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810507981.7A Active CN108745693B (en) | 2018-05-24 | 2018-05-24 | Be used for anticorrosive spray gun of high voltage power transmission and transformation framework |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108745693B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109569917B (en) * | 2018-12-04 | 2020-09-22 | 南通理工学院 | Intelligent airless spray gun for spraying semi-closed space |
| CN109530121A (en) * | 2019-01-30 | 2019-03-29 | 苏州萨得尔电动工具有限公司 | A kind of spray gun and the cleaning device with the spray gun |
| CN118594828B (en) * | 2024-08-06 | 2024-10-29 | 成都大信智慧交通科技有限公司 | Surface atomization plastic supplementing spray head and plastic spraying device for damage waveform fence guard plate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203991054U (en) * | 2014-08-20 | 2014-12-10 | 中国五冶集团有限公司 | Tubing pickling oil spout anti-corrosive apparatus |
| CN204710613U (en) * | 2015-06-01 | 2015-10-21 | 宁波大叶园林科技有限公司 | Dual channel multi-functional water |
| CN105571391A (en) * | 2015-12-24 | 2016-05-11 | 李峰 | Electronic water gun |
| CN107073503A (en) * | 2014-10-30 | 2017-08-18 | 阿尔弗雷德·凯驰两合公司 | Spray gun for high pressure cleaner |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0412984B1 (en) * | 2003-08-13 | 2015-11-24 | Unilever Nv | household spraying device, method of spraying a liquid composition and product |
| JP2009112990A (en) * | 2007-11-09 | 2009-05-28 | Panasonic Corp | Artificial pollination sprayer |
-
2018
- 2018-05-24 CN CN201810507981.7A patent/CN108745693B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203991054U (en) * | 2014-08-20 | 2014-12-10 | 中国五冶集团有限公司 | Tubing pickling oil spout anti-corrosive apparatus |
| CN107073503A (en) * | 2014-10-30 | 2017-08-18 | 阿尔弗雷德·凯驰两合公司 | Spray gun for high pressure cleaner |
| CN204710613U (en) * | 2015-06-01 | 2015-10-21 | 宁波大叶园林科技有限公司 | Dual channel multi-functional water |
| CN105571391A (en) * | 2015-12-24 | 2016-05-11 | 李峰 | Electronic water gun |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108745693A (en) | 2018-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108745693B (en) | Be used for anticorrosive spray gun of high voltage power transmission and transformation framework | |
| CN215541888U (en) | Spray nozzle of spraying machine | |
| CN110328074A (en) | A kind of free style atomising device | |
| CN208950257U (en) | Cold base oil spraying equipment | |
| CN206392292U (en) | A kind of spray gun | |
| CN208804294U (en) | A kind of combined fluid pressure regulator valve | |
| CN214975019U (en) | Transfer type quick color changing module | |
| CN114576157A (en) | Flow-limiting valve seat of high-pressure pump | |
| CN211793444U (en) | Leguminous water-saving agricultural irrigation device convenient to height-adjusting | |
| CN211563390U (en) | Double-fluid spray head | |
| CN203943995U (en) | A kind of respirator cartridge pressure reduction valve | |
| CN220674959U (en) | Powder sprayer for preventing and controlling solenopsis invicta | |
| CN206398326U (en) | A spray device | |
| CN212672453U (en) | Microminiature built-in gear type pneumatic control medium flow valve | |
| CN222427917U (en) | Spraying-assisted full-mechanical connection spraying granulation device | |
| CN113770923B (en) | Portable micro-abrasive water jet modification device suitable for stress concentration area | |
| CN216422857U (en) | High-pressure water cutting spout structure of antidrip | |
| CN205926098U (en) | High pressure airless spraying gun with annular nozzle | |
| CN210718747U (en) | Water circulation structure for cooling tower | |
| CN209145836U (en) | A kind of sealing device of oil field boosting water injection pump | |
| CN222342126U (en) | Filter | |
| CN218293611U (en) | Injection device of concrete guniting vehicle | |
| CN213967310U (en) | Automatic oil sprayer for assembling brake pump | |
| CN210059256U (en) | Material cleaning device for finished desulfurization powder tank | |
| CN209483598U (en) | A kind of airless sprayer piston pump convenient for cleaning maintenance |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |