CN111135512A - Fire-fighting lance with adjustable water yield - Google Patents
Fire-fighting lance with adjustable water yield Download PDFInfo
- Publication number
- CN111135512A CN111135512A CN201811303160.8A CN201811303160A CN111135512A CN 111135512 A CN111135512 A CN 111135512A CN 201811303160 A CN201811303160 A CN 201811303160A CN 111135512 A CN111135512 A CN 111135512A
- Authority
- CN
- China
- Prior art keywords
- fire
- fighting lance
- water
- wall
- adjusting
- 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.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Sliding Valves (AREA)
Abstract
The invention discloses a fire-fighting lance capable of adjusting water yield, which belongs to the technical field of fire-fighting lances and comprises a water inlet valve body, a fire-fighting lance nozzle and a nozzle, wherein an installation sleeve is welded on the left side of an inner cavity of the fire-fighting lance body, adjusting discs are respectively arranged at the middle part and the right side of the inner cavity of the installation sleeve, rotating balls are respectively arranged at the bottoms of two groups of adjusting discs, a fixed disc is fixedly sleeved on the outer wall of the rotating disc, and water through holes are respectively formed in the two groups of adjusting discs, the invention is provided with two adjusting discs, so that a magnetic sheet on the required adjusting disc is attracted and fixed with a positioning magnet, the other adjusting disc is rotated by 180 degrees, a movable rod is loosened, a tension spring drives the movable rod to reset, so that the fixed disc is clamped with a fixed groove, the number of the water through holes is different, so that the water yield is different when the water purifier is used, and the requirements of different users are met.
Description
Technical Field
The invention relates to the technical field of fire-fighting lances, in particular to a fire-fighting lance with adjustable water yield.
Background
The fire-fighting lance is the apparatus commonly used in the fire control field, a water spray to far away, the distance of its range of fire-fighting lance among the prior art is related to water pressure, the size of the switch of valve on squirt spout diameter and the squirt is relevant, generally when putting out a fire, the squirt spout of fire-fighting lance is fixed unchangeable, the water pressure of simultaneously pump income squirt is adjusted inconveniently, also relatively fixed, fire-fighting lance among the prior art can't adjust the water yield size according to the in service behavior when using, unable effectual water economy consumption, for this reason, we propose a fire-fighting lance of adjustable water yield size.
Disclosure of Invention
The invention aims to provide a fire-fighting lance with adjustable water yield, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a fire-fighting lance capable of adjusting water yield comprises a water inlet valve body, a fire-fighting lance nozzle and a nozzle, wherein the left side of the water inlet valve body is connected with the fire-fighting lance body, the left side of the fire-fighting lance body is connected with the fire-fighting lance nozzle, the left side of the fire-fighting lance nozzle is connected with the nozzle, the bottom of the water inlet valve body is provided with a water inlet pipe, the inner wall of the water inlet pipe is welded with a sealing block, the right side of the top of the water inlet valve body is spliced with a rotating screw, the bottom of the rotating screw is movably provided with a sealing valve core, the sealing valve core is positioned right above the top of the sealing block, a sealing hole matched with the sealing valve core is formed in the sealing block, a filter screen plate is clamped and fixed between the fire-fighting lance body and the water inlet valve body, the bottom of the two groups of adjusting disks are respectively provided with a rotating ball, the inner wall of the bottom of the mounting sleeve is provided with a ball groove matched with the rotating ball, the top and the bottom of the left side of the adjusting disks are respectively provided with a positioning block, the outer wall of one side of the positioning block, which is close to the mounting sleeve, is provided with a sliding block, the inner wall of the top and the bottom of the mounting sleeve are respectively provided with a sliding groove matched with the sliding block, the inner wall of the left side of the sliding groove is provided with a spring, the other end of the spring is connected with the sliding block, the top of the two groups of adjusting disks are respectively provided with a rotating rod, the top end of the rotating rod penetrates through the fire-fighting lance body, the fire-fighting lance body is provided with a through hole matched with the rotating rod, a sealing ring is arranged in the through hole, the, and limiting grooves matched with the fixing blocks are formed in the inner walls of the four sides of the fixing grooves, and water through holes are formed in the two groups of adjusting discs.
Further, the dwang includes the dead lever of being connected with the adjustment disk top, it has the movable rod to peg graft at the dead lever top, the fixed disk cup joints at the movable rod outer wall, the movable rod bottom is through extension spring and dead lever bottom inner wall connection, the movable rod bottom outer wall left and right sides all is provided with the sliding block, and the dead lever inner wall is provided with the slide rail that matches with the sliding block.
Further, one side that the locating piece is close to the adjusting disk is provided with location magnet through the assembly groove, one side outer wall top and the bottom central authorities that the adjusting disk is close to the locating piece all are provided with the magnetic sheet that matches with location magnet, and location magnet is the N utmost point, and the magnetic sheet is the S utmost point.
Furthermore, the section of the sealing valve core is conical, the outer wall of the sealing valve core is clamped with a sealing connecting ring through an annular groove, and the top ends of the rotating rod and the rotating screw rod are connected with a rotating wheel disc.
Furthermore, the diameter of the water through holes in the middle adjusting disk is smaller than that in the right adjusting disk, and the number of the water through holes in the middle adjusting disk is greater than that in the right adjusting disk.
Furthermore, the top of the fixing rod and the bottom of the fixing groove are located on the same horizontal line.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is provided with two regulating discs, when in use, the fixed disc is separated from the fixed groove by pulling the movable rod upwards, the fixed bar is driven to rotate by the rotating wheel disc to drive the movable rod, thereby the required regulating disc is rotated, the magnetic sheets on the regulating disc are attracted and fixed with the positioning magnet, the movable rod is loosened, the tension spring drives the movable rod to reset, thereby the fixed disc is clamped with the fixed groove, the fixed block is clamped into the limiting grooves at the front side and the rear side, then the other movable rod is pulled upwards to separate the fixed disc from the fixed groove, the movable rod is driven to rotate by the rotating wheel disc to drive the fixed rod, the other regulating disc is rotated for 180 degrees, after the rotation, the movable rod is loosened, the tension spring drives the movable rod to reset, thereby the fixed disc is clamped with the fixed groove, the fixed block is clamped into the limiting grooves at the left side and the right, the number of the water through holes is different, so that the water yield is different when the water purifier is used, and the requirements of different users are met;
2. the water inlet adjusting device is provided with the positioning block, the positioning block is movably connected with the sliding groove through the sliding block, a regulating disc which does not need to be used can conveniently rotate for 180 degrees, the spring is arranged, when the regulating disc rotates and resets, the resetting can be followed, magnetic sheets on the subsequent regulating disc are conveniently attracted with the positioning magnet, the rotating screw rod and the sealing valve core are arranged, and the water inlet amount can be adjusted while water normally circulates by adjusting the sealing valve core upwards.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure A of the present invention;
fig. 3 is a schematic view of the rotating rod structure of the present invention.
In the figure: 1 water inlet valve body, 2 fire-fighting lance body, 3 fire-fighting lance shower nozzle, 4 nozzles, 5 rotary wheel discs, 6 inlet tubes, 7 rotation screw rods, 8 sealing blocks, 9 sealing valve cores, 10 filter screen plates, 11 installation sleeves, 12 adjusting discs, 13 positioning blocks, 131 positioning magnets, 14 springs, 15 rotating rods, 151 fixing rods, 152 movable rods, 153 extension springs, 16 fixing discs, 161 fixing blocks, 17 fixing grooves and 18 sealing rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a fire-fighting lance capable of adjusting water yield comprises a water inlet valve body 1, a fire-fighting lance body 2, a fire-fighting lance nozzle 3 and nozzles 4, wherein the left side of the water inlet valve body 1 is connected with the fire-fighting lance body 2, a flange plate arranged on the left side of the water inlet valve body 1 is fixedly connected with a flange plate on the right side of the fire-fighting lance body 2 through bolts, the disassembly is convenient, meanwhile, a filter screen plate 10 is convenient to replace or clean, the left side of the fire-fighting lance body 2 is connected with the fire-fighting lance nozzle 3, the fire-fighting lance nozzle 3 is connected with the fire-fighting lance body 2 in a threaded connection mode, the left side of the fire-fighting lance nozzle 3 is connected with the nozzles 4, a water inlet pipe 6 is arranged at the bottom of the water inlet valve body 1, a flange plate is arranged at the bottom of the outer wall of the water inlet pipe 6 and used for being, a sealing ring is arranged at the joint of the rotary screw 7 and the water inlet valve body 1 to improve the sealing performance, a sealing valve core 9 is movably arranged at the bottom of the rotary screw 7, a rotary ball is arranged at the bottom of the rotary screw 7, a ball groove matched with the rotary ball is formed in the sealing valve core 9 to prevent the rotary screw 7 from driving the sealing valve core 9 to rotate when rotating, the sealing valve core 9 is positioned right above the top of a sealing block 8, a sealing hole matched with the sealing valve core 9 is formed in the sealing block 8, so that the water yield is convenient to control, and the water yield is controlled to be turned off or turned on, a filter screen plate 10 is clamped and fixed between the fire-fighting lance body 2 and the water inlet valve body 1, an installation sleeve 11 is welded at the left side of the inner cavity of the fire-fighting lance body 2, the installation sleeve 11 is made of rubber, the installation sleeve 11 is matched with the fire, the adjusting disks 12 are matched with the mounting sleeve 11, the bottoms of the two groups of adjusting disks 12 are respectively provided with a rotating ball, the inner wall of the bottom of the mounting sleeve 11 is provided with a ball groove matched with the rotating ball and used for rotating the adjusting disks 12, the left top and the bottom of the two groups of adjusting disks 12 are respectively provided with a positioning block 13 used for limiting the position of the adjusting disks 12 after rotating, the outer wall of one side of the positioning block 13 close to the mounting sleeve 11 is provided with a slide block, the inner walls of the top and the bottom of the mounting sleeve 11 are respectively provided with a slide groove matched with the slide block, the adjusting disks 12 can conveniently rotate through the matching of the slide block and the slide groove, the inner wall of the left side of the slide groove is provided with a spring 14, the spring 14 is used for pushing the slide block to reset the positioning block 13 when the adjusting disks 12 are reset, the other end of the spring 14 is connected with the slide block, the, be provided with sealing washer 18 in the through-hole, the mounting groove that 18 matches of sealing washer has been seted up bottom the through-hole inner wall, the inner wall fixed connection of 18 outer walls of sealing washer and mounting groove, the fixed disk 16 has been cup jointed to the fixed cover of 15 outer walls of dwang, the fixed disk 16 is located the 2 outsides of fire-fighting lance body of a gun, fixed slot 17 who matches with fixed disk 16 is seted up at 2 tops of fire-fighting lance body of a gun, be used for fixed block 161 and spacing groove cooperation, fixed block 161 has all been welded at fixed disk 16 front and back side outer wall middle part, and the spacing groove that matches with fixed block 161 has all been seted up to four side inner walls of fixed slot 17, the four side inner walls of fixed slot 17 also be.
As shown in fig. 3, the rotating rod 15 includes a fixed rod 151 connected to the top of the adjusting disk 12, a movable rod 152 is inserted into the top of the fixed rod 151, the fixed disk 16 is sleeved on the outer wall of the movable rod 152, the bottom end of the movable rod 152 is connected to the inner wall of the bottom of the fixed rod 151 through a tension spring 153, the tension spring 153 is used for resetting the outwardly pulled movable rod 152, so that the fixed disk 16 enters the fixed slot 17 for subsequent fixing work, sliding blocks are disposed on both sides of the outer wall of the bottom of the movable rod 152, and a sliding rail matched with the sliding blocks is disposed on the inner wall of the fixed rod 151, so that the fixed rod 151 is conveniently driven to rotate, the adjusting disk 12 is driven to;
as shown in fig. 2, a positioning magnet 131 is arranged on one side of the positioning block 13 close to the adjusting disc 12 through an assembly slot, magnetic sheets matched with the positioning magnet 131 are arranged at the top and the center of the bottom of the outer wall of the adjusting disc 12 close to the positioning block 13, the positioning magnet 131 is an N pole, and the magnetic sheets are S poles and used for accurately resetting the reset adjusting disc 12;
as shown in fig. 1, the section of the sealing valve core 9 is conical, a sealing connecting ring is clamped on the outer wall of the sealing valve core 9 through an annular groove, the sealing performance of the sealing valve core 9 when contacting with the sealing block 8 is improved, and the top ends of the rotating rod 15 and the rotating screw 7 are both connected with a rotating wheel disc 5 for rotating operation of an operator;
as shown in fig. 1, the diameter of the water holes on the middle adjusting disk 12 is smaller than that of the water holes on the right adjusting disk 12, and the number of the water holes on the middle adjusting disk 12 is greater than that of the water holes on the right adjusting disk 12, so as to change different adjusting disks 12 for adjusting the water output;
as shown in fig. 1 and 2, the top of the fixing rod 151 and the bottom of the fixing groove 17 are located at the same horizontal line, which facilitates the contact between the fixing plate 16 and the bottom of the fixing groove 17, and improves not only the sealing property but also the fixing property.
Example (b): when the water-saving fire-fighting lance is used, water enters the water inlet valve body 1 from the water inlet pipe 6, the rotary screw 7 is rotated by rotating the rotary wheel disc 5 to enable the seal valve core 9 to be upward, the seal valve core 9 is adjusted to be upward, not only can the water normally circulate, but also the water inflow can be adjusted, the water enters the fire-fighting lance body 2, when the water outflow needs to be adjusted, the proper adjusting disc 12 is folded, when the adjusting disc 12 in the middle is selected, the movable rod 152 in the middle is pulled to be upward, the fixed disc 16 is separated from the fixed groove 17, the movable rod 152 is driven by the rotary wheel disc 5 to enable the fixed rod 151 to rotate, the adjusting disc 12 in the middle is rotated, the magnetic sheet on the adjusting disc 12 in the middle is attracted and fixed with the positioning magnet 13, the movable rod 152 is released, the tension spring 153 drives the movable rod 152 to reset, the fixed disc 16 is clamped with the fixed groove 17, make fixed disk 16 and fixed slot 17 separate, drive movable rod 152 through the rotary wheel dish 5 and make the dead lever 151 rotatory, the adjusting disk 12 on right side rotates 180 degrees, can promote locating piece 13 and move to the left side when adjusting disk 12 rotates 180 degrees, after rotating, loosen movable rod 152, extension spring 153 drives movable rod 152 and resets, thereby make fixed disk 16 and fixed slot 17 block, fixed block 161 blocks into the spacing inslot on left and right sides can normally use the adjusting disk 12 in middle part, when needing to use the adjusting disk 12 on right side, according to the above-mentioned step, make the adjusting disk 12 in middle part rotate 180 degrees, the magnetic sheet on the adjusting disk 12 of rear side attracts fixedly with positioning magnet 13 can, because the limbers aperture on adjusting disk 12 in middle part and the adjusting disk 12 of rear side is different, limbers quantity is different, so the volume of outlet just so is different during the use, satisfy different user's needs.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a fire-fighting lance of adjustable water yield size, includes into water valve body (1), fire-fighting lance stack (2), fire-fighting lance shower nozzle (3) and nozzle (4), enter water valve body (1) left side and connect fire-fighting lance stack (2), fire-fighting lance shower nozzle (3) are connected in fire-fighting lance stack (2) left side, nozzle (4), its characterized in that are connected in fire-fighting lance shower nozzle (3) left side: the water inlet valve body (1) is provided with a water inlet pipe (6) at the bottom, a sealing block (8) is welded on the inner wall of the water inlet pipe (6), a rotary screw (7) is inserted on the right side of the top of the water inlet valve body (1), a sealing valve core (9) is movably arranged at the bottom of the rotary screw (7), the sealing valve core (9) is positioned right above the top of the sealing block (8), a sealing hole matched with the sealing valve core (9) is formed in the sealing block (8), a filter screen plate (10) is clamped and fixed between the fire-fighting lance body (2) and the water inlet valve body (1), an installation sleeve (11) is welded on the left side of the inner cavity of the fire-fighting lance body (2), the installation sleeve (11) is matched with the fire-fighting lance body (2), adjusting discs (12) are respectively arranged at the middle part and the right part of the inner cavity of the installation, and the inner wall of the bottom of the mounting sleeve (11) is provided with ball grooves matched with the rotating balls, the top and the bottom of the left side of the adjusting disc (12) are both provided with positioning blocks (13), one side outer wall of the positioning block (13) close to the mounting sleeve (11) is provided with a slide block, the inner walls of the top and the bottom of the mounting sleeve (11) are both provided with slide grooves matched with the slide block, the inner wall of the left side of each slide groove is provided with a spring (14), the other end of the spring (14) is connected with the slide block, the top of the adjusting disc (12) is provided with a rotating rod (15), the top end of the rotating rod (15) penetrates through the fire-fighting lance body (2), the fire-fighting lance body (2) is provided with a through hole matched with the rotating rod (15), a sealing ring (18) is arranged in the through hole, the outer wall of the rotating, fixed slot (17) that match with fixed disk (16) are seted up at fire-fighting lance body of a gun (2) top, fixed disk (16) front and back side outer wall middle part all welds fixed block (161), and the spacing groove that matches with fixed block (161) is all seted up to four side inner walls of fixed slot (17), and is two sets of the limbers has all been seted up on adjusting disk (12).
2. The fire-fighting lance of claim 1, wherein the water yield is adjustable by: dwang (15) include dead lever (151) of being connected with adjusting disk (12) top, it has movable rod (152) to peg graft at dead lever (151) top, fixed disk (16) cup joint at movable rod (152) outer wall, extension spring (153) and dead lever (151) bottom inner wall connection are passed through to movable rod (152) bottom, the outer wall left and right sides in movable rod (152) bottom all is provided with the sliding block, and dead lever (151) inner wall is provided with the slide rail that matches with the sliding block.
3. The fire-fighting lance of claim 1, wherein the water yield is adjustable by: one side that locating piece (13) are close to adjusting disk (12) is provided with positioning magnet (131) through the assembly groove, one side outer wall top and bottom central authorities that adjusting disk (12) are close to locating piece (13) all are provided with the magnetic sheet that matches with positioning magnet (131), and positioning magnet (131) are the N utmost point, and the magnetic sheet is the S utmost point.
4. The fire-fighting lance of claim 1, wherein the water yield is adjustable by: the section of the sealing valve core (9) is conical, the outer wall of the sealing valve core (9) is connected with a sealing connecting ring through an annular groove in a clamping mode, and the top ends of the rotating rod (15) and the rotating screw rod (7) are connected with a rotating wheel disc (5).
5. The fire-fighting lance of claim 2, wherein the water yield is adjustable by: the diameter of the water through holes in the middle adjusting disc (12) is smaller than that of the water through holes in the right adjusting disc (12), and the number of the water through holes in the middle adjusting disc (12) is larger than that of the water through holes in the right adjusting disc (12).
6. The fire-fighting lance of claim 2, wherein the water yield is adjustable by: the top of the fixing rod (151) and the bottom of the fixing groove (17) are positioned on the same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811303160.8A CN111135512A (en) | 2018-11-02 | 2018-11-02 | Fire-fighting lance with adjustable water yield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811303160.8A CN111135512A (en) | 2018-11-02 | 2018-11-02 | Fire-fighting lance with adjustable water yield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111135512A true CN111135512A (en) | 2020-05-12 |
Family
ID=70515264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811303160.8A Pending CN111135512A (en) | 2018-11-02 | 2018-11-02 | Fire-fighting lance with adjustable water yield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111135512A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114192294A (en) * | 2021-12-08 | 2022-03-18 | 江苏安卡新材料科技有限公司 | Adhesive application for improving polyurea spraying quality |
| CN115350421A (en) * | 2022-07-04 | 2022-11-18 | 中交一公局第三工程有限公司 | Construction engineering construction site fire-fighting equipment and use method |
| CN116493559A (en) * | 2023-03-22 | 2023-07-28 | 盐城东皇铸造有限公司 | Nozzle for continuous casting |
-
2018
- 2018-11-02 CN CN201811303160.8A patent/CN111135512A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114192294A (en) * | 2021-12-08 | 2022-03-18 | 江苏安卡新材料科技有限公司 | Adhesive application for improving polyurea spraying quality |
| CN115350421A (en) * | 2022-07-04 | 2022-11-18 | 中交一公局第三工程有限公司 | Construction engineering construction site fire-fighting equipment and use method |
| CN115350421B (en) * | 2022-07-04 | 2023-09-26 | 中交一公局第三工程有限公司 | Construction engineering construction site fire-fighting equipment and use method thereof |
| CN116493559A (en) * | 2023-03-22 | 2023-07-28 | 盐城东皇铸造有限公司 | Nozzle for continuous casting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111135512A (en) | Fire-fighting lance with adjustable water yield | |
| CN115889014B (en) | Centrifugal spray head, spraying system and movable platform | |
| CN102853132A (en) | Rotary outflow control device and application method thereof | |
| CN208885993U (en) | A kind of adjustable shut-off valve | |
| CN209221388U (en) | A kind of fire-fighting lance of cistern capable of regulating drainage rate size | |
| CN103100496B (en) | Multifunctional magnetized shower head | |
| CN111075967A (en) | Fire-fighting high-pressure pipeline safety valve | |
| CN206513871U (en) | Many waterway electromagnetic valves and the water cleaning systems for being provided with the magnetic valve | |
| CN207463481U (en) | A kind of Rocker arm spray head for facilitating installation | |
| CN211134399U (en) | Multifunctional automatic spraying machine | |
| CN210449581U (en) | Spray head structure for water flow driving rotation | |
| CN220588083U (en) | Water outlet nozzle mounting structure of water dispenser | |
| CN219073270U (en) | Electric control rotary spraying water cannon | |
| CN216874307U (en) | Afforestation conversion equipment that waters | |
| CN105521647A (en) | Water treatment assembly | |
| CN110840305A (en) | Shower head capable of automatically discharging bubbles during bathing | |
| CN205101603U (en) | A many gears current -limiting converter for going out water end (W. E. ) | |
| CN203209216U (en) | Multifunctional magnetized sprinkler | |
| CN219985059U (en) | Pressurized shower head | |
| CN209224719U (en) | A kind of waste clearing device being convenient to clean ink | |
| CN218218559U (en) | Orchard is planted with assembling growth frame fast | |
| CN221868878U (en) | Novel shower water outlet structure | |
| CN219983780U (en) | Fire control shower nozzle of convenient change | |
| CN211463613U (en) | Convenient electromechanical integration paint spraying apparatus who dismantles | |
| CN212650205U (en) | Flexible assembled sprayer for water conservancy irrigation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200512 |