CN111744713A - Quick connection structure of nozzle and high-pressure connecting pipe - Google Patents
Quick connection structure of nozzle and high-pressure connecting pipe Download PDFInfo
- Publication number
- CN111744713A CN111744713A CN202010608657.1A CN202010608657A CN111744713A CN 111744713 A CN111744713 A CN 111744713A CN 202010608657 A CN202010608657 A CN 202010608657A CN 111744713 A CN111744713 A CN 111744713A
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- CN
- China
- Prior art keywords
- nozzle
- connecting pipe
- wall
- pressure
- grooves
- 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.)
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Classifications
-
- 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
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
-
- 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
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a quick connection structure of a nozzle and a high-pressure connecting pipe, which comprises the high-pressure connecting pipe and the nozzle, wherein a support table is formed on the inner wall of the front end of the high-pressure connecting pipe, wherein two convex blocks which are arranged in a central symmetry manner are formed on the outer wall of the front end of the high-pressure connecting pipe; a connecting hole, a taper hole, a spraying cavity and a spraying hole are formed on the nozzle, two open grooves with rear side openings are formed on the inner wall of the connecting hole, the centers of the two open grooves are symmetrically arranged, and the convex blocks are inserted in the open grooves; the outer wall of the nozzle is sleeved with a locking sleeve, two locking grooves with the front side opened and which are arranged in a central symmetry manner and two rectangular grooves which are arranged in a central symmetry manner and penetrate through the locking sleeve from front to back are formed in the locking sleeve, and the convex blocks are inserted in the locking grooves; the outer wall of the rear end of the nozzle is formed with an outward flange, and the rear end surface of the locking groove is pressed against the outward flange; and a pressure spring is clamped between the taper hole and the support platform. The invention can rapidly disassemble and assemble the nozzle without tools, and the structure between the nozzle and the nozzle is reliable and stable.
Description
Technical Field
The invention relates to the technical field of cleaning machines, in particular to a quick connection structure of a nozzle and a high-pressure connecting pipe.
Background
The high-pressure cleaner is a machine which uses a power device to drive a plunger pump to generate pressure water to wash the surface of an object, and can peel off and wash away dirt so as to achieve the purpose of cleaning the surface of the object. Compared with the traditional manual cleaning mode, the high-pressure cleaning machine reduces the water consumption, saves a large amount of time and has better cleaning effect. Nowadays, high pressure cleaning machines are more and more widely applied to cleaning of automobiles, courtyards, roads, fences and other various living fields. The traditional household high-pressure cleaning machine generally comprises a main machine, a spray gun, a high-pressure connecting pipe and various nozzles, wherein different nozzles can spray water jet nozzles with different pressures and different shapes to be fixed at the front end of the high-pressure connecting pipe, but the existing high-pressure connecting pipe and the nozzles are generally connected through threads, tools such as a wrench are required to be used when the nozzles are screwed, and the nozzles are very inconvenient to disassemble and assemble.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a quick connection structure of a nozzle and a high-pressure connecting pipe, which can be used for quickly disassembling and assembling the nozzle without tools and has a reliable and stable structure between the nozzle and the high-pressure connecting pipe.
The scheme for solving the technical problems is as follows:
a quick connection structure of a nozzle and a high-pressure connecting pipe comprises the high-pressure connecting pipe and the nozzle arranged at the front end of the high-pressure connecting pipe, wherein two convex blocks which are arranged in a central symmetry mode are formed on the outer wall of the front end of the high-pressure connecting pipe, and a supporting table is formed on the inner wall of the front end of the high-pressure connecting pipe; the spray nozzle is provided with a connecting hole, a taper hole, a spray cavity and a spray hole, the inner wall of the connecting hole is provided with two open slots with rear side openings which are arranged in a central symmetry manner, and the convex block is inserted and sleeved in the open slots; the outer wall of the nozzle is sleeved with a locking sleeve, two locking grooves with the front side opened and which are arranged in a central symmetry manner and two rectangular grooves which are arranged in a central symmetry manner and penetrate through the locking sleeve in the front and back directions are formed on the locking sleeve, and the convex blocks are inserted in the locking grooves; an outward flange is formed on the outer wall of the rear end of the nozzle, and the rear end face of the locking groove is pressed against the outward flange; and a pressure spring is clamped between the taper hole and the support platform.
The outer wall of the front end of the high-pressure connecting pipe is provided with a sealing groove in a molding mode, a sealing ring is sleeved in the sealing groove and pressed against the inner wall of the connecting hole, and the sealing ring is located on the front side of the open groove.
The seal groove has more than two, corresponds in the more than two seal grooves and is provided with the sealing washer.
And a V-shaped groove communicated with the jet hole is formed on the outer wall of the front end of the nozzle.
The outer wall of the locking sleeve is formed with a plurality of straight grains.
The cross section of the lug is waist-shaped.
The invention has the following outstanding effects: compared with the prior art, the nozzle can be quickly disassembled and assembled without tools, and the structure between the nozzle and the nozzle is reliable and stable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2 taken about A-A;
FIG. 4 is a cross-sectional view of FIG. 3 taken about B-B;
fig. 5 is a schematic structural view of the locking sleeve of the present invention.
Detailed Description
In an embodiment, as shown in fig. 1 to 5, a quick connection structure of a nozzle and a high-pressure connection pipe comprises a high-pressure connection pipe 1 and a nozzle 2 arranged at the front end of the high-pressure connection pipe 1, wherein two protrusions 11 arranged in a central symmetry manner are formed on the outer wall of the front end of the high-pressure connection pipe 1, and a support table 12 is formed on the inner wall of the front end of the high-pressure connection pipe 1; a connecting hole 21, a taper hole 22, a spraying cavity 23 and a spraying hole 24 are formed on the nozzle 2, two open grooves 25 with rear side openings are formed on the inner wall of the connecting hole 21, the centers of the two open grooves are symmetrically arranged, and the convex block 11 is inserted in the open grooves 25; the outer wall of the nozzle 2 is sleeved with a locking sleeve 3, two locking grooves 31 with the front side opened and arranged in a central symmetry mode and two rectangular grooves 32 which are arranged in a central symmetry mode and penetrate through the front side and the back side are formed in the locking sleeve 3, and the convex blocks 11 are inserted and sleeved in the locking grooves 31; an outward flange 26 is formed on the outer wall of the rear end of the nozzle 2, and the rear end face of the locking groove 31 is pressed against the outward flange 26; a compression spring 4 is clamped between the taper hole 22 and the support table 12.
Furthermore, a sealing groove is formed in the outer wall of the front end of the high-pressure connecting pipe 1, a sealing ring 5 is sleeved in the sealing groove, the sealing ring 5 is pressed against the inner wall of the connecting hole 21, and the sealing ring 5 is located on the front side of the open groove 25.
More specifically, the number of the sealing grooves is more than two, and the sealing rings 5 are correspondingly arranged in the more than two sealing grooves.
More specifically, the outer wall of the front end of the nozzle 2 is formed with a V-shaped groove 27 communicating with the injection hole 24.
Furthermore, a plurality of straight grains are formed on the outer wall of the locking sleeve 3.
More specifically, the cross section of the bump 11 is waist-shaped.
The working principle is as follows: disassembling: holding the high-pressure connecting pipe 1 by one hand, holding the nozzle 2 and the locking sleeve 3 by the other hand, extruding the high-pressure connecting pipe 1 towards the nozzle 2, moving a convex block 11 on the high-pressure connecting pipe 1 along the front end of an open slot 25, moving the convex block 11 forwards to be separated from a locking groove 31 of the locking sleeve 3, then rotating the locking sleeve 3 to enable a rectangular groove 32 of the locking sleeve 3 and the convex block 11 to be aligned with each other, then loosening the nozzle and the locking sleeve 3, under the action of a pressure spring 4, the nozzle and the locking sleeve are pushed to the front side, and separating the convex block 11 from the open slot 25, thereby detaching the nozzle;
the mounting step is the reverse of the dismounting step.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (6)
1. The utility model provides a quick-connect structure of nozzle and high pressure takeover, includes high pressure takeover (1) and sets up nozzle (2) in high pressure takeover (1) front end, its characterized in that: two projections (11) which are arranged in a central symmetry manner are formed on the outer wall of the front end of the high-pressure connecting pipe (1), and a supporting table (12) is formed on the inner wall of the front end of the high-pressure connecting pipe (1); a connecting hole (21), a taper hole (22), a spraying cavity (23) and a spraying hole (24) are formed in the nozzle (2), two open grooves (25) with rear side openings are formed in the inner wall of the connecting hole (21) in a centrosymmetric mode, and the convex block (11) is inserted in the open grooves (25); the outer wall of the nozzle (2) is sleeved with a locking sleeve (3), two centrosymmetrically arranged locking grooves (31) with openings at the front side and two centrosymmetrically arranged rectangular grooves (32) penetrating through the front and the back are formed in the locking sleeve (3), and the convex block (11) is inserted in the locking grooves (31); the outer wall of the rear end of the nozzle (2) is formed with an outward flange (26), and the rear end face of the locking groove (31) is pressed against the outward flange (26); a pressure spring (4) is clamped between the taper hole (22) and the support platform (12).
2. The quick connection structure of the nozzle and the high-pressure connecting pipe as claimed in claim 1, wherein: the high-pressure connecting pipe is characterized in that a sealing groove is formed in the outer wall of the front end of the high-pressure connecting pipe (1), a sealing ring (5) is sleeved in the sealing groove, the sealing ring (5) is pressed against the inner wall of the connecting hole (21), and the sealing ring (5) is located on the front side of the open groove (25).
3. The quick connection structure of the nozzle and the high-pressure connecting pipe as claimed in claim 2, wherein: the sealing grooves are more than two, and sealing rings (5) are correspondingly arranged in the more than two sealing grooves.
4. The quick connection structure of the nozzle and the high-pressure connecting pipe as claimed in claim 1, wherein: and a V-shaped groove (27) communicated with the jet hole (24) is formed on the outer wall of the front end of the nozzle (2).
5. The quick connection structure of the nozzle and the high-pressure connecting pipe as claimed in claim 1, wherein: the outer wall of the locking sleeve (3) is formed with a plurality of straight grains.
6. The quick connection structure of the nozzle and the high-pressure connecting pipe as claimed in claim 1, wherein: the cross section of the lug (11) is waist-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010608657.1A CN111744713A (en) | 2020-06-29 | 2020-06-29 | Quick connection structure of nozzle and high-pressure connecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010608657.1A CN111744713A (en) | 2020-06-29 | 2020-06-29 | Quick connection structure of nozzle and high-pressure connecting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111744713A true CN111744713A (en) | 2020-10-09 |
Family
ID=72678083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010608657.1A Withdrawn CN111744713A (en) | 2020-06-29 | 2020-06-29 | Quick connection structure of nozzle and high-pressure connecting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111744713A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245117A (en) * | 2021-05-14 | 2021-08-13 | 罗德精密五金(芜湖)股份有限公司 | Pretreatment structure of replaceable nozzle |
-
2020
- 2020-06-29 CN CN202010608657.1A patent/CN111744713A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245117A (en) * | 2021-05-14 | 2021-08-13 | 罗德精密五金(芜湖)股份有限公司 | Pretreatment structure of replaceable nozzle |
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201009 |