CN210749094U - Rotary spray arm structure of dish washing machine - Google Patents
Rotary spray arm structure of dish washing machine Download PDFInfo
- Publication number
- CN210749094U CN210749094U CN201921072010.0U CN201921072010U CN210749094U CN 210749094 U CN210749094 U CN 210749094U CN 201921072010 U CN201921072010 U CN 201921072010U CN 210749094 U CN210749094 U CN 210749094U
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- spray arm
- shaft sleeve
- water outlet
- thread connecting
- connecting cavity
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Abstract
A rotary spray arm structure of a dish washing machine comprises a spray arm and a water inlet pipe, wherein the spray arm comprises a bottom arm shell and a top arm cover, a shaft sleeve surrounding a water inlet hole is arranged on a bottom plate of the bottom arm shell, and a rotating cavity is arranged on the shaft sleeve and is provided with a locking block; the spray arm fixing ring comprises a circular ring plate part and a barrel body part, and the barrel body part is provided with a locking groove; the inner thread connecting cavity penetrates through the central hole of the circular plate part, the outer thread of the water outlet pipe is screwed with the inner thread connecting cavity, the cylinder body part is inserted into the shaft sleeve and is sealed by liquid, the flange is positioned in the rotating cavity, and the locking groove is locked with the locking block; the end part of the internal thread connecting cavity is in sliding fit with the circular plate part and is in liquid seal. The spray arm joint and the spray arm fixing ring are arranged, and the cylinder body part is inserted into the shaft sleeve and is sealed by liquid; the sealing performance is improved.
Description
Technical Field
The utility model relates to a dish washer, especially a rotatory spray arm of dish washer.
Background
At present prior art, a rotatory spray arm structure of dish washer, including spray arm and inlet tube, the spray arm includes end arm shell and top arm lid, is equipped with hole for water spraying and inlet opening on the bottom plate of end arm shell, and the water outlet end of inlet tube is equipped with the outlet pipe, is equipped with the clip on the outlet pipe, and in the outlet pipe stretched into the inlet tube, the hook portion and the inlet tube tip lock of clip. There are problems: the sealing performance is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: provides a rotary spray arm structure of a dish washing machine, which has the characteristic of good sealing performance
The utility model discloses a realize like this: a rotary spray arm structure of a dish washing machine comprises a spray arm and a water inlet pipe, wherein the spray arm comprises a bottom arm shell and a top arm cover, a bottom plate of the bottom arm shell is provided with a water spraying hole and a water inlet hole, a water outlet end of the water inlet pipe is provided with a water outlet pipe, and the water outlet pipe is in rotating fit with and communicated with the bottom arm shell; it is characterized in that: the bottom plate of the bottom arm shell is provided with a shaft sleeve surrounding the water inlet hole and a rotating cavity arranged on the shaft sleeve, and the rotating cavity is provided with a locking block;
the water outlet end of the water outlet pipe is provided with an external thread;
also comprises a spray arm joint and a spray arm fixing ring,
the spray arm joint comprises a shaft sleeve, a flange and an internal thread connecting cavity;
the spray arm fixing ring comprises a circular ring plate part and a cylinder body part, and a locking groove is formed in the cylinder body part;
the inner thread connecting cavity penetrates through the central hole of the circular plate part, the outer thread of the water outlet pipe is screwed with the inner thread connecting cavity, the cylinder body part is inserted into the shaft sleeve and is sealed by liquid, the flange is positioned in the rotating cavity, and the locking groove is locked with the locking block; the end part of the internal thread connecting cavity is in sliding fit with the circular plate part and is in liquid seal.
The rotary spray arm structure of the dishwasher is characterized in that: the diameter of the internal thread connecting cavity is larger than the inner diameter of the shaft sleeve, and the inner diameter of the water outlet pipe is the same as the inner diameter of the shaft sleeve.
The rotary spray arm structure of the dishwasher is characterized in that: the locking block is provided with a positioning groove along the axial direction, the locking groove is internally provided with a positioning bulge along the axial direction, and the positioning bulge is embedded with the positioning groove.
The utility model relates to a rotary spray arm structure of a dish washing machine, a spray arm joint and a spray arm fixing ring are arranged, and a cylinder body part is inserted into a shaft sleeve and is sealed by liquid; the sealing performance is improved.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is one of the exploded perspective views of the present invention.
Fig. 3 is a second exploded perspective view of the present invention.
Fig. 4 is a partially enlarged view of fig. 3.
Fig. 5 is a perspective view of the spray arm fixing ring of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, a rotary spray arm structure of a dish washer comprises a spray arm 1 and a water inlet pipe 2, wherein the spray arm 1 comprises a bottom arm shell 11 and a top arm cover 12, a bottom plate of the bottom arm shell 11 is provided with a water spray hole 13 and a water inlet hole 14, a water outlet end of the water inlet pipe 2 is provided with a water outlet pipe 21, and the water outlet pipe 21 is in running fit and communication with the bottom arm shell 11.
The bottom plate of the bottom arm shell 11 is provided with a shaft sleeve 15 surrounding the water inlet hole 14, a rotating cavity 16 arranged on the shaft sleeve 15, and the rotating cavity 16 is provided with a locking block 161;
the water outlet end of the water outlet pipe 21 is provided with an external thread;
also comprises a spray arm joint 3 and a spray arm fixing ring 4,
the spray arm joint 3 comprises a shaft sleeve 31, a flange 32 and an internal thread connecting cavity 33;
as shown in fig. 5, the spray arm fixing ring 4 includes a circular ring plate portion 41 and a cylindrical body portion 42, and the cylindrical body portion 42 is provided with a locking groove 421;
the internal thread connecting cavity 33 passes through the central hole of the circular ring plate part 41, the external thread of the water outlet pipe 21 is screwed with the internal thread connecting cavity 33, the cylinder part 31 is inserted into the shaft sleeve 15 and is sealed by liquid, the flange 32 is positioned in the rotating cavity 16, and the locking groove 421 is locked with the locking block 161. The end of the female threaded connection cavity 33 is in sliding fit and liquid tight seal with the annular plate portion 41.
The diameter of the internal thread connecting cavity 16 is larger than the inner diameter of the shaft sleeve 15, and the inner diameter of the water outlet pipe 21 is the same as the inner diameter of the shaft sleeve 31.
The locking block 161 is provided with an axial positioning groove 1611, the locking groove 421 is provided with an axial positioning protrusion 4211, and the positioning protrusion 4211 is embedded with the positioning groove 1611.
What has been described above is only a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the principle of the invention, which is also considered as the protection scope of the invention.
Claims (3)
1. A rotary spray arm structure of a dish washing machine comprises a spray arm and a water inlet pipe, wherein the spray arm comprises a bottom arm shell and a top arm cover, a bottom plate of the bottom arm shell is provided with a water spraying hole and a water inlet hole, a water outlet end of the water inlet pipe is provided with a water outlet pipe, and the water outlet pipe is in rotating fit with and communicated with the bottom arm shell; the method is characterized in that: the bottom plate of the bottom arm shell is provided with a shaft sleeve surrounding the water inlet hole and a rotating cavity arranged on the shaft sleeve, and the rotating cavity is provided with a locking block;
the water outlet end of the water outlet pipe is provided with an external thread;
also comprises a spray arm joint and a spray arm fixing ring,
the spray arm joint comprises a shaft sleeve, a flange and an internal thread connecting cavity;
the spray arm fixing ring comprises a circular ring plate part and a cylinder body part, and a locking groove is formed in the cylinder body part;
the inner thread connecting cavity penetrates through the central hole of the circular plate part, the outer thread of the water outlet pipe is screwed with the inner thread connecting cavity, the cylinder body part is inserted into the shaft sleeve and is sealed by liquid, the flange is positioned in the rotating cavity, and the locking groove is locked with the locking block; the end part of the internal thread connecting cavity is in sliding fit with the circular plate part and is in liquid seal.
2. The rotary spray arm structure of a dishwasher in accordance with claim 1, wherein: the diameter of the internal thread connecting cavity is larger than the inner diameter of the shaft sleeve, and the inner diameter of the water outlet pipe is the same as the inner diameter of the shaft sleeve.
3. The rotary spray arm structure of a dishwasher in accordance with claim 1, wherein: the locking block is provided with a positioning groove along the axial direction, the locking groove is internally provided with a positioning bulge along the axial direction, and the positioning bulge is embedded with the positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921072010.0U CN210749094U (en) | 2019-07-09 | 2019-07-09 | Rotary spray arm structure of dish washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921072010.0U CN210749094U (en) | 2019-07-09 | 2019-07-09 | Rotary spray arm structure of dish washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210749094U true CN210749094U (en) | 2020-06-16 |
Family
ID=71112013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921072010.0U Active CN210749094U (en) | 2019-07-09 | 2019-07-09 | Rotary spray arm structure of dish washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210749094U (en) |
-
2019
- 2019-07-09 CN CN201921072010.0U patent/CN210749094U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210812 Address after: 529533 plant No. 31, east of Gaoxin Avenue (zhangang highway), Fugang Industrial Park, high tech Zone, Yangjiang City, Guangdong Province Patentee after: Guangdong Guangmei industry and Trade Co.,Ltd. Address before: 528425 2 / F, No.18, Fengchao Road, Hetai village, Dongfeng Town, Zhongshan City, Guangdong Province Patentee before: Zhongshan Bohui Electric Appliance Co.,Ltd. |