CN112024155B - Switching type nozzle - Google Patents
Switching type nozzle Download PDFInfo
- Publication number
- CN112024155B CN112024155B CN202010939981.1A CN202010939981A CN112024155B CN 112024155 B CN112024155 B CN 112024155B CN 202010939981 A CN202010939981 A CN 202010939981A CN 112024155 B CN112024155 B CN 112024155B
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- Prior art keywords
- hole
- wall
- switching sleeve
- holes
- water outlet
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- 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
- B05B9/01—Spray pistols, discharge devices
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- 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
- B05B12/02—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery
- B05B12/04—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery for sequential operation or multiple outlets
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- Nozzles (AREA)
Abstract
The invention discloses a switching nozzle which comprises a connecting part fixed at the front end of a gun rod of a cleaning machine, wherein a water inlet cavity, a radial hole and a water through hole are formed in the connecting part; a water outlet pipe matched with the radial hole is sleeved in the radial hole, the inner end of the water outlet pipe is positioned at the outer side of the water through hole, a hemispherical body is formed at the outer end of the water outlet pipe, and a water outlet hole is formed in the hemispherical body; a pressure spring is clamped between the inner wall of the plate spherical body and the bottom surface of the radial hole; the outer wall of the connecting part is hinged with a switching sleeve, a plurality of ball socket holes which are uniformly distributed on the circumference are formed on the inner wall of the switching sleeve, and the outer wall of the hemispherical body is inserted in one of the ball socket holes; the outer wall of the switching sleeve is provided with a plurality of connecting holes which are communicated with the ball socket holes in a one-to-one correspondence mode, each connecting hole is internally connected with an adapter in a sealing mode, and the other end of each adapter is connected with a nozzle with different specifications and models. The invention can connect nozzles with different specifications and models by rotating the switching sleeve, and has simple and efficient operation mode.
Description
Technical Field
The invention relates to the technical field of cleaning machines, in particular to a switching type nozzle.
Background
High pressure cleaning machines are becoming more popular and more nozzles are being used on the machine to accomplish different cleaning tasks. The connection between the gun rod and the nozzle of most cleaning machines is a bayonet connection, which is a way that one part is inserted into another part to lock the parts in a rotating and locking way. Bayonet connections are relatively complex in practice, particularly when used with different nozzles that are frequently replaced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a switching type nozzle which can be connected with nozzles of different specifications and models by rotating a switching sleeve and has simple and efficient operation mode.
The scheme for solving the technical problems is as follows:
a switching nozzle comprises a connecting part fixed at the front end of a gun rod of a cleaning machine, wherein a water inlet cavity, a radial hole with an opening at one side and a plurality of water through holes for communicating the water inlet cavity and the radial hole are formed in the connecting part; a water outlet pipe matched with the radial hole is sleeved in the radial hole, the inner end of the water outlet pipe is positioned at the outer side of the water through hole, a hemispherical body is formed at the outer end of the water outlet pipe, and a water outlet hole is formed in the hemispherical body; a pressure spring is clamped between the inner wall of the plate spherical body and the bottom surface of the radial hole; the outer wall of the connecting part is hinged with a switching sleeve, a plurality of ball socket holes which are uniformly distributed on the circumference are formed in the inner wall of the switching sleeve, and the outer wall of the semi-spherical body is inserted and sleeved in one of the ball socket holes; the outer wall of the switching sleeve is provided with a plurality of connecting holes which are communicated with the ball socket holes in a one-to-one correspondence mode, each connecting hole is internally and hermetically connected with an adapter, and the other end of each adapter is connected with a nozzle with different specifications and models.
A bearing hole is formed at the front end of the connecting part, and a bearing is fixed in the bearing hole; a mandrel is formed on the bottom surface of the switching sleeve, and the mandrel is inserted into and fixed on the inner ring of the bearing; two through holes eccentrically arranged with the mandrel are formed on the mandrel, a waist-shaped hole communicated with the two through holes is formed on the outer wall of the front end of the switching sleeve,
a shaft sleeve is sleeved in each through hole, a screw rod is sleeved in each shaft sleeve, a round block which is eccentrically arranged with the screw rod is fixed at the rear extending end of the screw rod penetrating through the through hole, the round block is pressed on the end face of the inner ring of the bearing, the front end of the screw rod penetrates through a waist-shaped block, a locking nut is screwed on the waist-shaped block, and the waist-shaped block is inserted in the waist-shaped hole.
Two limiting planes which are arranged in parallel are formed on the outer part of the round block; a limiting groove is formed in the rear end face of the through hole, and the two limiting planes are inserted in the limiting groove in a sleeved mode.
And a damping ferrule is fixed on the outer wall of the front end of the connecting part, and the outer wall of the damping ferrule is pressed against the inner wall of the switching sleeve.
A sealing groove is formed in the inner wall of the rear end of the switching sleeve, a sealing ring is sleeved in the sealing groove, and the sealing ring is pressed against the outer wall of the connecting part; the sealing ring is positioned at the rear side of the ball socket hole.
And a chamfer is formed at the orifice of the ball socket hole.
And a second sealing ring is sleeved on the outer wall of the middle part of the water outlet pipe and is pressed against the inner wall of the radial hole.
The invention has the following outstanding effects: compared with the prior art, the nozzle connecting device can be connected with nozzles of different specifications and models by rotating the switching sleeve, and the operation mode is simple and efficient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional 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. 2 taken about B-B;
fig. 5 is a partially enlarged view of fig. 2 about C.
Detailed Description
In an embodiment, as shown in fig. 1 to 5, a switching nozzle includes a connection part 1 fixed to a front end of a gun rod 9 of a washer, the connection part 1 being formed with a water inlet chamber 11, a radial hole 12 opened at one side, and a plurality of water passage holes 13 communicating the water inlet chamber 11 and the radial hole 12; a water outlet pipe 2 matched with the radial hole 12 is sleeved in the radial hole 12, the inner end of the water outlet pipe 2 is positioned at the outer side of the water through hole 13, a semi-spherical body 21 is formed at the outer end of the water outlet pipe 2, and a water outlet hole 22 is formed in the semi-spherical body 21; a pressure spring 3 is clamped between the inner wall of the plate spherical body 21 and the bottom surface of the radial hole 12; the outer wall of the connecting part 1 is hinged with a switching sleeve 4, a plurality of ball socket holes 41 which are uniformly distributed on the circumference are formed in the inner wall of the switching sleeve 4, and the outer wall of the semi-spherical body 21 is inserted in one of the ball socket holes 41; the outer wall of the switching sleeve 4 is provided with a plurality of connecting holes 42 which are communicated with the ball socket holes 41 in a one-to-one correspondence mode, each connecting hole 42 is internally connected with an adapter 5 in a sealing mode, and the other end of each adapter 5 is connected with a nozzle 6 with different specifications and models.
Furthermore, a bearing hole 14 is formed at the front end of the connecting part 1, and a bearing 71 is fixed in the bearing hole 14; a mandrel 43 is formed on the bottom surface of the switching sleeve 4, and the mandrel 43 is inserted and fixed on the inner ring of the bearing 71; two through holes 44 eccentrically arranged with the mandrel 43 are formed on the mandrel, a waist-shaped hole 45 communicating the two through holes 44 is formed on the outer wall of the front end of the switching sleeve 4,
a shaft sleeve 72 is sleeved in each through hole 44, a screw rod 73 is sleeved in the shaft sleeve 72, a round block 74 which is eccentrically arranged with the screw rod 73 penetrates through the rear extending end of the through hole 44, the round block 74 is pressed on the end face of the inner ring of the bearing 71, the front end of the screw rod 73 penetrates through a waist-shaped block 75 and is screwed with a locking nut 76, and the waist-shaped block 75 is inserted in the waist-shaped hole 45.
Furthermore, two limiting planes 741 arranged in parallel are formed on the outer surface of the round block 74; a limiting groove 46 is formed in the rear end face of the through hole 41, and the two limiting planes 741 are inserted into the limiting groove 46.
Furthermore, a damping ferrule 77 is fixed to the outer wall of the front end of the connecting portion 1, and the outer wall of the damping ferrule 77 is pressed against the inner wall of the switching sleeve 44.
Furthermore, a sealing groove is formed on the inner wall of the rear end of the switching sleeve 4, a sealing ring 78 is sleeved in the sealing groove, and the sealing ring 78 is pressed against the outer wall of the connecting part 1; the sealing ring 78 is located on the rear side of the ball socket hole 41.
Furthermore, a chamfer 47 is formed at the opening of the ball hole 41.
Furthermore, the outer wall of the middle part of the water outlet pipe 2 is sleeved with a second sealing ring 8, and the second sealing ring 8 is pressed against the inner wall of the radial hole 12.
The working principle is as follows: water flow enters the water inlet cavity 11 through the gun rod 9, water in the water inlet cavity 11 enters the radial holes 12 through the plurality of water through holes 13, and the water in the radial holes 12 is sprayed out from the corresponding nozzles 6 through the water outlet pipe 2 and the corresponding adapters 5;
when the nozzle needs to be switched, the switching sleeve 4 is rotated, the inner wall of the switching sleeve 4 extrudes the hemispherical body 21 of the water outlet pipe 2 into the radial hole 12, and when the hemispherical body 21 is aligned with the other ball socket hole 41, the hemispherical body 21 is automatically inserted into the switched ball socket hole 41 under the action of the pressure spring 3, so that the nozzle is connected with the other nozzle 6.
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 switching formula nozzle, is including fixing at connecting portion (1) of rifle bar (9) front end of cleaning machine, its characterized in that: the connecting part (1) is formed with a water inlet cavity (11), a radial hole (12) with an opening at one side and a plurality of water through holes (13) for communicating the water inlet cavity (11) and the radial hole (12); a water outlet pipe (2) matched with the radial hole (12) is sleeved in the radial hole, the inner end of the water outlet pipe (2) is positioned at the outer side of the water through hole (13), a hemispherical body (21) is formed at the outer end of the water outlet pipe (2), and a water outlet hole (22) is formed in the hemispherical body (21); a pressure spring (3) is clamped between the inner wall of the hemispherical body (21) and the bottom surface of the radial hole (12); the outer wall of the connecting part (1) is hinged with a switching sleeve (4), a plurality of ball socket holes (41) which are uniformly distributed on the circumference are formed in the inner wall of the switching sleeve (4), and the outer wall of the semi-spherical body (21) is inserted into one of the ball socket holes (41); the outer wall of the switching sleeve (4) is formed with a plurality of connecting holes (42) which are communicated with the ball socket holes (41) in a one-to-one correspondence manner, each connecting hole (42) is internally and hermetically connected with an adapter (5), and the other end of each adapter (5) is connected with a nozzle (6) with different specifications and models;
a bearing hole (14) is formed at the front end of the connecting part (1), and a bearing (71) is fixed in the bearing hole (14); a mandrel (43) is formed on the bottom surface of the switching sleeve (4), and the mandrel (43) is inserted and fixed on the inner ring of the bearing (71); two through holes (44) which are eccentrically arranged with the mandrel (43) are formed on the mandrel, a waist-shaped hole (45) which is communicated with the two through holes (44) is formed on the outer wall of the front end of the switching sleeve (4),
a shaft sleeve (72) is sleeved in each through hole (44), a screw rod (73) is sleeved in each shaft sleeve (72), a round block (74) which is eccentrically arranged with the screw rod (73) is fixed at the rear extending end of the through hole (44), the round block (74) is pressed on the end face of an inner ring of the bearing (71), a locking nut (76) is screwed at the front end of the screw rod (73) through the waist-shaped block (75), and the waist-shaped block (75) is inserted in the waist-shaped hole (45).
2. A switch-over nozzle as claimed in claim 1, wherein: two limiting planes (741) which are arranged in parallel are formed on the outer part of the round block (74); a limiting groove (46) is formed in the rear end face of the through hole (44), and the two limiting planes (741) are inserted into the limiting groove (46).
3. A switch-over nozzle as claimed in claim 1, wherein: a damping ferrule (77) is fixed on the outer wall of the front end of the connecting part (1), and the outer wall of the damping ferrule (77) is pressed against the inner wall of the switching sleeve (4).
4. A switch-over nozzle as claimed in claim 1, wherein: a sealing groove is formed in the inner wall of the rear end of the switching sleeve (4), a sealing ring (78) is sleeved in the sealing groove, and the sealing ring (78) is pressed against the outer wall of the connecting part (1); the sealing ring (78) is located on the rear side of the ball socket hole (41).
5. A switch-over nozzle as claimed in claim 1, wherein: a chamfer (47) is formed at the opening of the ball socket hole (41).
6. A switch-over nozzle as claimed in claim 1, wherein: and a second sealing ring (8) is sleeved on the outer wall of the middle part of the water outlet pipe (2), and the second sealing ring (8) is pressed against the inner wall of the radial hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010939981.1A CN112024155B (en) | 2020-09-09 | 2020-09-09 | Switching type nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010939981.1A CN112024155B (en) | 2020-09-09 | 2020-09-09 | Switching type nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112024155A CN112024155A (en) | 2020-12-04 |
| CN112024155B true CN112024155B (en) | 2021-06-29 |
Family
ID=73584448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010939981.1A Active CN112024155B (en) | 2020-09-09 | 2020-09-09 | Switching type nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112024155B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3027784A1 (en) * | 1980-07-23 | 1982-02-18 | Beck, Hermann, 7067 Buoch | Fluid proportioning head for road construction vehicles - consists of rotating disc with several nozzles of different sizes |
| DE19926381C1 (en) * | 1999-06-10 | 2000-11-30 | Kaercher Gmbh & Co Alfred | Switchover nozzle head for a high-pressure cleaning device |
| CN201161216Y (en) * | 2008-02-20 | 2008-12-10 | 苏州黑猫(集团)有限公司 | Fast switch over combined nozzle |
| CN202238476U (en) * | 2011-09-26 | 2012-05-30 | 湖南镭目科技有限公司 | Continuous casting number spraying machine and cross platform device |
| US10322421B2 (en) * | 2015-04-14 | 2019-06-18 | Yuan-Mei Corp. | Sprinkler |
| CN205361707U (en) * | 2016-01-30 | 2016-07-06 | 上海越冠机电设备有限公司 | General type cleaning machine sprinkler structure |
| CN106824574A (en) * | 2017-02-24 | 2017-06-13 | 东莞市长原喷雾技术有限公司 | A kind of nozzle of rotatable switching shower nozzle |
| CN210673270U (en) * | 2019-08-26 | 2020-06-05 | 苏州科洁泰电器有限公司 | Spray head capable of automatically switching spray nozzles and spraying device of dish washing machine |
-
2020
- 2020-09-09 CN CN202010939981.1A patent/CN112024155B/en active Active
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| Publication number | Publication date |
|---|---|
| CN112024155A (en) | 2020-12-04 |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20210610 Address after: 518101 No. 501, 502, 506, 508, 511, 512, 5th floor, Zhixiang building industrial zone, 71 District, Xingdong community, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN SHANGJIA AUTO MAINTENANCE TOOL Co.,Ltd. Address before: 603-1, building 2, shanghenglangxin Industrial Zone, Tongsheng community, Dalang street, Longhua District, Shenzhen, Guangdong 518000 Applicant before: SHENZHEN CHUANGZHI JOINT TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220126 Address after: 518000 floor 2, plant 2, Hezhou Anle Industrial Park, Hezhou community, Hangcheng street, Bao'an District, Shenzhen, Guangdong Province Patentee after: SHENZHEN OURAN TECHNOLOGY CO.,LTD. Address before: 518101 No. 501, 502, 506, 508, 511, 512, 5th floor, Zhixiang building industrial zone, 71 District, Xingdong community, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN SHANGJIA AUTO MAINTENANCE TOOL Co.,Ltd. |
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| TR01 | Transfer of patent right |