CN107159477B - Self-rotating spray head - Google Patents
Self-rotating spray head Download PDFInfo
- Publication number
- CN107159477B CN107159477B CN201710458455.1A CN201710458455A CN107159477B CN 107159477 B CN107159477 B CN 107159477B CN 201710458455 A CN201710458455 A CN 201710458455A CN 107159477 B CN107159477 B CN 107159477B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- cavity
- rotating
- sealing
- bearing
- 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
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
- B05B3/0409—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Nozzles (AREA)
Abstract
The invention relates to the technical field of high-pressure injection water guns, in particular to a self-rotating spray head, wherein the lower end of a rotating sleeve in a connecting sleeve is fixedly connected with the rotating spray head, the lower end of the rotating spray head extends out of the connecting sleeve, a through hole is formed in the rotating sleeve, a first necking part of the connecting sleeve divides an inner cavity of the connecting sleeve into an upper cavity and a lower cavity, a sealing sleeve and a check ring bushing are arranged in the upper cavity, a check ring and a rotating bushing are sleeved in the check ring bushing, the upper end of the rotating sleeve penetrates through the first necking part and extends into the upper cavity, a neck expanding cavity is arranged in the through hole and is close to the upper port of the neck expanding cavity, a sealing insert is arranged in the neck expanding cavity, and the lower end of the rotating bushing is inserted into the neck expanding cavity and tightly supports the sealing insert. The advantages are that: effectively reduce the loss degree between the internals, after the inside main loss piece loss of product reaches a certain degree, can change and make this product can continue normal use, prolong to a certain extent and ensured the life of product, reduced manufacturing and processing cost.
Description
Technical Field
The invention relates to the technical field of high-pressure jet water guns, in particular to a self-rotating spray head.
Background
The high-pressure water gun is characterized in that water is sucked by a water pump, compressed and then flows through a water pipe and finally is ejected by the water gun, and the water gun controls the dispersion size of the water by controlling the flow of a water outlet nozzle, so that the water is ejected. At present, autogyration shower nozzle in common high pressure injection squirt, including having, the adapter sleeve of lower port, lower port department at the adapter sleeve installs universal shower nozzle, then through the continuous drive universal shower nozzle rotation of the water pressure in the adapter sleeve and high-speed blowout water, and at the high-speed pivoted in-process of universal shower nozzle, cause the frictional loss between universal shower nozzle and the adapter sleeve, make the wearing and tearing of these two spare parts extremely serious, finally make the life of product seriously reduce, the increase of the cost in the production manufacturing process of the spare part of product and the spare part that is used for this product has also been caused, in addition, only single universal shower nozzle sprays in this product, make this product have the problem that work efficiency is low to a certain extent.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the self-rotating spray head which can effectively reduce the loss degree between internal parts, can be replaced after the main loss part in the product is lost to a certain degree, so that the product can be continuously and normally used, prolongs and ensures the service life of the product to a certain degree, and reduces the production, manufacturing and processing costs.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a self-rotation sprayer, including having the adapter sleeve of upper and lower port, be equipped with the swivel sleeve in the adapter sleeve, the lower extreme fixedly connected with swivel sleeve rotatory nozzle of swivel sleeve, the lower extreme of swivel nozzle stretches out outside the adapter sleeve, be equipped with the through hole that runs through above it, both ends down in the swivel sleeve, the middle part of adapter sleeve is equipped with first necking portion, first necking portion separates the inner chamber of adapter sleeve for epicoele and cavity of resorption, be equipped with the seal cover from top to bottom in the epicoele in proper order, the retaining ring bush is interior to overlap in proper order from top to bottom, swivel sleeve, the upper end of swivel sleeve passes first necking portion and stretches to the intracavity, the position department that is close to its upper port in the through hole is equipped with the expansion neck chamber, be equipped with sealed inserts in the expansion neck chamber, the lower extreme of swivel sleeve inserts to expanding the intracavity and top tight sealed inserts.
The invention is further configured to: the retaining ring endotheca is equipped with and compresses tightly the cover, and the upper end that compresses tightly the cover stretches out outside the upper end mouth of retaining ring, and stretches out the outer upper end mouth border that compresses tightly the cover of upper end mouth of retaining ring outside to outside lateral bending and extend, and the upper end mouth that compresses tightly the cover after the extension pushes up to the lower terminal surface of seal cover on.
The invention is further configured to: the inner chamber of seal cover is the reducing chamber that the internal diameter reduces gradually, the constant diameter chamber that the internal diameter all equals from top to bottom in proper order, and the internal diameter in constant diameter chamber is less than the internal diameter of retaining ring.
The invention is further configured to: an annular sealing groove is formed in the lower end face of the sealing sleeve, and a sealing ring matched and sealed with the upper end face of the retainer ring bushing is arranged in the sealing sleeve.
The invention is further configured to: the middle part of the upper top surface of the lower cavity is concavely provided with a bearing installation cavity towards the direction of the first necking part, a second necking part is arranged at the position, close to the bearing installation cavity, of the rotary sleeve, a third necking part is arranged on the second necking part, an upper bearing arranged in the bearing installation cavity is sleeved on the third necking part, and a clamp spring used for limiting and fixing the upper bearing in the bearing installation cavity is sleeved on the second necking part.
The invention is further configured to: the middle part of the upper top surface of the bearing installation cavity is provided with a sealing cavity inwards towards the first necking part, and an oil seal sleeved on the outer surface of the rotary sleeve is arranged in the sealing cavity.
The invention is further configured to: the upper end of the rotary spray nozzle extends into the lower port of the rotary sleeve and is spirally fixed with the lower port of the rotary sleeve, an annular groove is arranged on the upper end of the rotary spray nozzle, and a sealing ring which is matched and sealed with the inner cavity wall of the rotary sleeve is arranged in the groove.
The invention is further configured to: the bearing support bush is arranged in the lower cavity, the upper end face of the bearing support bush is pressed against the upper top face of the lower cavity, the lower cavity of the connecting sleeve is provided with a lower bearing sleeved on the rotary spray head, the lower end face of the bearing support bush is pressed against the corresponding outer ring of the lower bearing, a locking nut is screwed on the lower port of the connecting sleeve, and the locking nut is matched with the bearing support bush to limit and fix the lower bearing.
The invention is further configured to: the outer side is equipped with annular extension portion on the lateral wall of the lower port department of swivel sleeve, and the upside cover of the swivel sleeve in lower intracavity is equipped with the swivel sleeve bush, and the upper and lower both sides of the lateral wall of swivel sleeve bush are equipped with annular recess respectively, are equipped with respectively in the upper and lower two recesses and support the sealed sealing washer of inner chamber wall cooperation of bush with the bearing, are equipped with the spring between extension portion and the swivel sleeve bush.
The invention is further configured to: the rotary sprayer is characterized in that a through hole communicated with the through hole is formed in the rotary sprayer, a spraying end head is arranged at the lower end of the rotary sprayer, at least two nozzles uniformly distributed along the circumference are arranged on the lower end face of the spraying end head, each nozzle is communicated with the through hole, and a nozzle is arranged in each nozzle.
By adopting the technical scheme, the invention achieves the technical effects that:
1. the inner cavity of the connecting sleeve is divided into an upper cavity and a lower cavity by arranging the first necking part in the middle of the connecting sleeve, then the sealing sleeve and the check ring bushing are arranged in the upper cavity, the check ring and the rotating bushing are sequentially sleeved in the check ring bushing from top to bottom, the neck expanding cavity is arranged at the upper port of the rotating sleeve, the sealing insert is arranged in the neck expanding cavity, then the lower end of the rotating bushing is inserted into the neck expanding cavity and tightly props against the sealing insert, after the structure is improved and optimized, the sealing sleeve and the check ring bushing can be directly worn in the wearing process, so that the wearing degree of the check ring bushing and the sealing insert can be reduced, after the sealing sleeve is worn, a new sealing sleeve can be replaced, the product can be continuously used, the loss degree between main parts in the product is effectively reduced, and after the main loss parts in the product are worn to a certain degree, the product can be replaced to ensure that the product can be continuously and normally used, the service life of the product is prolonged and ensured to a certain extent, and the production, manufacturing and processing costs are reduced;
2. by improving and optimizing the internal sealing structure, the product can bear higher water pressure in the using process, so that the sealing performance is effectively improved;
3. through the rotatory nozzle structure who improves this product, go out the water structure improvement one way of original product and become two at least water outlet structure of equipartition, the work efficiency that can enough ensure this product compares in traditional rotatory nozzle reinforcing, can make this product compare in traditional squirt again and can bear great water pressure, the hydraulic pressure that bears at most under traditional squirt general condition has 35Mpa, and this product then can reach the water pressure that bears 150Mpa, and under 150 Mpa's water pressure, this product can normal use, and do not have any problem of revealing, and it is splendid to wash efficiency, can save the water to a certain extent simultaneously.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic sectional structure of the present invention.
Fig. 2 is a partially enlarged schematic view of fig. 1.
Detailed Description
Referring to fig. 1 and 2, the self-rotating nozzle disclosed by the present invention comprises a connecting sleeve 10 having an upper port and a lower port, a rotating sleeve 11 is arranged in the connecting sleeve 10, a rotating nozzle 12 is fixedly connected to the lower end of the rotating sleeve 11, the lower end of the rotating nozzle 12 extends out of the connecting sleeve 10, a through hole is arranged in the rotating sleeve 11, the connecting sleeve comprises through holes 13 at the lower two ends, a first necking part 14 is arranged in the middle of the connecting sleeve 10, the inner cavity of the connecting sleeve 10 is divided into an upper cavity and a lower cavity by the first necking part 14, a sealing sleeve 15 and a check ring lining 16 are sequentially arranged in the upper cavity from top to bottom, a check ring 17 and a rotating lining 18 are sequentially sleeved in the check ring lining 16 from top to bottom, the upper end part of the rotating sleeve 11 penetrates through the first necking part 14 to extend into the upper cavity, a neck expanding cavity is arranged at a position, close to the upper port, in the through holes 13, a sealing insert 19 is arranged in the neck expanding cavity, and the lower end of the rotating lining 18 is inserted into the neck expanding cavity and tightly supports the sealing insert 19. Direct wearing and tearing between seal cover and the retaining ring bush can be so that at the in-process of wearing and tearing, just so can reduce the degree of wear of retaining ring bush and sealing inserts, and after the seal cover is worn and torn, make this product can continue to use behind the seal cover that can renew, in this embodiment, the material of swivel liner and sealing inserts will be hard in the material of retaining ring, in-process at wearing and tearing like this, just can reduce the degree of wear of swivel liner and sealing inserts, and at the in-process of changing, can directly take out the retaining ring from upper portion and change, compare in traditional autogyration shower nozzle, it becomes very convenient and fast to change, change because of traditional autogyration shower nozzle and change whole structure in needs, and the scheme in this embodiment then does not need.
In addition, in order to can enough ensure the increase of the spray area after the play of water, make the increase that the area of washing is also corresponding, can make this product compare in traditional squirt can bear great water pressure again, and there is not any problem of revealing, and wash efficiency splendid, simultaneously can be to a certain extent water-saving's effect, be equipped with the through-hole 35 with through-hole 13 intercommunication in rotatory nozzle 12, rotatory nozzle 12's lower extreme is equipped with injection end 36, be equipped with two at least spouts along the circumference equipartition on the lower terminal surface of injection end 36, every spout all communicates with through-hole 35 and installs nozzle 37 in every spout respectively. In this embodiment, can set for according to the demand of reality to the quantity of spout, like three, four, five, can set up more even, and the nozzle in this embodiment for screw fastening formula nozzle can, consequently the effectual nozzle of having avoided appears wearing and tearing like traditional universal shower nozzle the phenomenon.
In order to further improve the service life of the product and enhance the use effect of the product in the use process, the pressing sleeve 20 can be sleeved in the retainer ring 17, the upper end of the pressing sleeve 20 extends out of the upper port of the retainer ring 17, the edge of the upper port of the pressing sleeve 20 extending out of the upper port of the retainer ring 17 is bent and extended outwards, and the upper port of the extended pressing sleeve 20 is pushed against the lower end face of the seal sleeve 15. Therefore, the retainer ring can be continuously worn in the process of the retainer ring, the pressing sleeve can continuously push the retainer ring to the direction of the rotating bushing along with the action of the external force of the water pressure, so that the waste of the material for manufacturing the retainer ring can be saved to a certain extent, and the use and manufacturing cost can be saved to a certain extent.
The inner cavity of the sealing sleeve 15 in this embodiment is sequentially a reducing cavity 21 with gradually reduced inner diameter and an equal-diameter cavity 22 with equal inner diameter from top to bottom, and the inner diameter of the equal-diameter cavity 22 is smaller than that of the retainer ring 17; and the lower end face of the sealing sleeve 15 is provided with an annular sealing groove, and the sealing sleeve 15 is internally provided with a sealing ring 23 which is matched and sealed with the upper end face of the retainer ring bushing 16, so that the sealing property can be improved, and the acting force on the compression sleeve is enhanced.
In the aforesaid, the middle part of the last top surface in lower chamber is equipped with the bearing installation cavity to the 14 concave directions in first throat portion, and the position department that the swivel nut 11 is close to the bearing installation cavity is equipped with second throat portion 24, is equipped with third throat portion 25 on the second throat portion 24, and the cover is equipped with the upper bearing 26 of installing in the bearing installation cavity on the third throat portion 25, and the cover is equipped with the jump ring 27 of spacing being fixed in the bearing installation cavity with upper bearing 26 on the second throat portion 24. A sealing cavity is concavely arranged in the middle of the upper top surface of the bearing mounting cavity towards the first necking part 14, and an oil seal 28 sleeved on the outer surface of the rotary sleeve 11 is arranged in the sealing cavity.
So be equipped with the upper bearing on the swivel housing among the above-mentioned, in order to make the rotation of swivel housing can reach steady effect and the guarantee of sealing performance between swivel housing and the adapter sleeve, the scheme of adopting in this embodiment is: the upper end part of the rotary nozzle 12 extends into the lower port of the rotary sleeve 11 and is spirally fixed with the lower port of the rotary sleeve 11, an annular groove is arranged on the upper end part of the rotary nozzle 12, and a sealing ring 23 which is matched and sealed with the inner cavity wall of the rotary sleeve 11 is arranged in the groove. A bearing support bush 29 is arranged in the lower cavity, the upper end surface of the bearing support bush 29 is propped against the upper top surface of the lower cavity, a lower bearing 30 sleeved on the rotary spray head 12 is arranged at the lower cavity of the connecting sleeve 10, the lower end surface of the bearing support bush 29 is propped against the corresponding outer ring of the lower bearing 30, a lock nut 31 is screwed on the lower port of the connecting sleeve 10, and the lock nut 31 is matched with the bearing support bush 29 for limiting and fixing the lower bearing 30. An oil seal 38 is arranged in the lock nut, an oil filling hole is formed in the side wall of the lock nut, the oil filling hole is sealed through an oil filling bolt 39, and the oil is filled with damping oil generally, so that the lubricating property of the bearing in the high-speed rotation process can be improved, and the rotation speed of the spray head can not be too high.
Wherein, the outside is equipped with annular extension portion 32 on the lateral wall of the lower port department of swivel sleeve 11, and the upside cover of swivel sleeve 11 in the lower intracavity is equipped with swivel sleeve bush 33, and the upper and lower both sides of the lateral wall of swivel sleeve bush 33 are equipped with annular recess respectively, are equipped with respectively in the upper and lower two recesses and support the sealed sealing washer 23 of the inner chamber wall cooperation of bush 29 with the bearing, are equipped with spring 34 between extension portion 32 and the swivel sleeve bush 33. The spring 34 is a tension spring, which can reduce the rotation speed of the nozzle within a proper range, so as to prevent the problem that the rotation speed of the nozzle is too high, which causes poor cleaning effect.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a from rotatory shower nozzle, is including the adapter sleeve that has upper and lower port, its characterized in that: the connecting sleeve is internally provided with a rotating sleeve, the lower end of the rotating sleeve is fixedly connected with a rotating nozzle, the lower end of the rotating nozzle extends out of the connecting sleeve, a through hole penetrating through the upper end and the lower end of the rotating sleeve is arranged in the rotating sleeve, the middle part of the connecting sleeve is provided with a first necking part, the inner cavity of the connecting sleeve is divided into an upper cavity and a lower cavity by the first necking part, a sealing sleeve and a retaining ring bushing are sequentially arranged in the upper cavity from top to bottom, a retaining ring and a rotating bushing are sequentially sleeved in the retaining ring bushing from top to bottom, the upper end of the rotating sleeve penetrates through the first necking part and extends into the upper cavity, a neck expanding cavity is arranged in the through hole and close to the upper end port of the through hole, a sealing insert is arranged in the neck expanding cavity, and the lower end of the rotating bushing is inserted into the neck expanding cavity and tightly propped against the sealing insert.
2. A spin head as claimed in claim 1, wherein: the retaining ring is internally sleeved with a compression sleeve, the upper end of the compression sleeve extends out of the upper end opening of the retaining ring, the edge of the upper end opening of the compression sleeve extending out of the upper end opening of the retaining ring is bent outwards and extends, and the upper end opening of the extended compression sleeve is pushed onto the lower end face of the sealing sleeve.
3. A self-rotating showerhead according to claim 2, wherein: the inner chamber of seal cover is the reducing chamber that the internal diameter reduces gradually, the constant diameter chamber that the internal diameter all equals from top to bottom in proper order, and the internal diameter in constant diameter chamber is less than the internal diameter of retaining ring.
4. A self-rotating showerhead according to claim 3, wherein: an annular sealing groove is formed in the lower end face of the sealing sleeve, and a sealing ring matched and sealed with the upper end face of the retainer ring bushing is arranged in the sealing sleeve.
5. A self-rotating showerhead according to claim 1, wherein: the middle part of the upper top surface of the lower cavity is concavely provided with a bearing installation cavity towards the direction of the first necking part, a second necking part is arranged at the position, close to the bearing installation cavity, of the rotary sleeve, a third necking part is arranged on the second necking part, an upper bearing arranged in the bearing installation cavity is sleeved on the third necking part, and a clamp spring used for limiting and fixing the upper bearing in the bearing installation cavity is sleeved on the second necking part.
6. A self-rotating showerhead according to claim 5, wherein: the middle part of the upper top surface of the bearing installation cavity is provided with a sealing cavity inwards towards the first necking part, and an oil seal sleeved on the outer surface of the rotary sleeve is arranged in the sealing cavity.
7. A self-rotating showerhead according to claim 1, wherein: the upper end part of the rotary spray nozzle extends into the lower port of the rotary sleeve and is spirally fixed with the lower port of the rotary sleeve, the upper end part of the rotary spray nozzle is provided with an annular groove, and a sealing ring which is matched and sealed with the inner cavity wall of the rotary sleeve is arranged in the groove.
8. A self-rotating showerhead according to claim 7, wherein: the bearing support bush is arranged in the lower cavity, the upper end face of the bearing support bush is pressed against the upper top face of the lower cavity, the lower cavity of the connecting sleeve is provided with a lower bearing sleeved on the rotary spray head, the lower end face of the bearing support bush is pressed against the corresponding outer ring of the lower bearing, a locking nut is screwed on the lower port of the connecting sleeve, and the locking nut is matched with the bearing support bush to limit and fix the lower bearing.
9. A self-rotating showerhead according to claim 8, wherein: the outer side is equipped with annular extension portion on the lateral wall of the lower port department of swivel sleeve, and the upside cover of the swivel sleeve in lower intracavity is equipped with the swivel sleeve bush, and the upper and lower both sides of the lateral wall of swivel sleeve bush are equipped with annular recess respectively, are equipped with respectively in the upper and lower two recesses and support the sealed sealing washer of inner chamber wall cooperation of bush with the bearing, are equipped with the spring between extension portion and the swivel sleeve bush.
10. A spin head according to any of claims 1 to 9, wherein: the rotary sprayer is characterized in that a through hole communicated with the through hole is formed in the rotary sprayer, a spraying end head is arranged at the lower end of the rotary sprayer, at least two nozzles uniformly distributed along the circumference are arranged on the lower end face of the spraying end head, each nozzle is communicated with the through hole, and a nozzle is arranged in each nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710458455.1A CN107159477B (en) | 2017-06-16 | 2017-06-16 | Self-rotating spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710458455.1A CN107159477B (en) | 2017-06-16 | 2017-06-16 | Self-rotating spray head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107159477A CN107159477A (en) | 2017-09-15 |
| CN107159477B true CN107159477B (en) | 2022-09-09 |
Family
ID=59819729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710458455.1A Active CN107159477B (en) | 2017-06-16 | 2017-06-16 | Self-rotating spray head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107159477B (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19711837A1 (en) * | 1997-03-21 | 1998-09-24 | Hammelmann Paul Maschf | Nozzle head with a drivable nozzle holder which is rotatably mounted about a longitudinal axis |
| CN206824049U (en) * | 2017-06-16 | 2018-01-02 | 台州博拓里尼机械有限公司 | self-rotating nozzle |
-
2017
- 2017-06-16 CN CN201710458455.1A patent/CN107159477B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107159477A (en) | 2017-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202638631U (en) | Rotating spray head for high pressure cleaning | |
| CN107159477B (en) | Self-rotating spray head | |
| CN210564520U (en) | Inner spray sealing device of cantilever type tunneling machine | |
| CN113863977B (en) | Filling pulping nozzle and filling sand bin pulping system | |
| CN206824049U (en) | self-rotating nozzle | |
| CN202951587U (en) | Rotating nozzle device for high pressure washer | |
| CN209791798U (en) | Self-rotating spray head | |
| CN201082396Y (en) | Improved high pressure cleaning machine showerhead | |
| CN211756096U (en) | High-pressure rotary spray head | |
| CN100462149C (en) | Rotating type high-pressure airless spraying gun | |
| CN2934559Y (en) | Anti-bias friction and anti-spray well port polished rod seal device | |
| CN101116847A (en) | Detachable and replaceable nozzle chip for spray coating materials on the wall surface | |
| CN220610853U (en) | Spray head assembly | |
| CN210715310U (en) | Oil nozzle sleeve | |
| CN111853241A (en) | Washing pipe sealing ultrahigh-pressure sealing packing for drilling machine faucet | |
| CN210304185U (en) | High-pressure water gun for sewage pipe | |
| CN217164921U (en) | Novel foam nozzle | |
| CN209829300U (en) | Water pipe delivery port spraying adjusting mechanism | |
| CN213315662U (en) | Embedded wear-resisting nozzle | |
| CN216918590U (en) | Filling sprayer for automatic cleanser filling machine | |
| CN220791206U (en) | Flange type high-pressure oil nozzle sleeve | |
| CN217164924U (en) | Shower head with gooseneck | |
| CN221192843U (en) | Nozzle assembly and paver | |
| CN213914379U (en) | Pressure boosting water gun | |
| KR102621322B1 (en) | Seal for high pressure water jets |
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 | ||
| CB02 | Change of applicant information |
Address after: 318055 new avenue 227, Xinqiao Town, Luqiao District, Taizhou, Zhejiang. Applicant after: Zhejiang Botuolini Machinery Co.,Ltd. Address before: 318055 new avenue 227, Xinqiao Town, Luqiao District, Taizhou, Zhejiang. Applicant before: TAIZHOU BOTUOLINI MACHINERY CO.,LTD. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |