CN213236108U - Injection molding screw rod of electronic expansion valve - Google Patents
Injection molding screw rod of electronic expansion valve Download PDFInfo
- Publication number
- CN213236108U CN213236108U CN202021280004.7U CN202021280004U CN213236108U CN 213236108 U CN213236108 U CN 213236108U CN 202021280004 U CN202021280004 U CN 202021280004U CN 213236108 U CN213236108 U CN 213236108U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- injection molding
- molding body
- expansion valve
- insert
- 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.)
- Expired - Fee Related
Links
- 238000001746 injection moulding Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000007769 metal material Substances 0.000 claims abstract description 5
- 229920003023 plastic Polymers 0.000 claims abstract description 5
- 239000004033 plastic Substances 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Images
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
An injection molding screw rod of an electronic expansion valve comprises a screw rod injection molding body and a screw rod insert. The screw rod injection molding body is provided with a stepped hole at the center, an external thread meshed with the guide nut is arranged on the excircle, a stop shoulder fixed with the magnetic ring connecting sleeve is formed by pouring the large-aperture end and the screw rod insert, and the stop shoulder is made of plastic materials; the screw rod insert is an annular part with a stepped inner hole and is made of a metal material, and the annular wall is provided with a group of holes for increasing the bonding strength with the screw rod injection molding body.
Description
Technical Field
The utility model relates to an electronic expansion valve lead screw of moulding plastics.
Background
The lead screw of the traditional electronic expansion valve is made of metal materials, the function and the performance of the lead screw are not thick, but the cutting processing is troublesome, the production efficiency is not high, the material utilization rate is low, and the production cost is high.
Disclosure of Invention
The utility model discloses the lead screw to the expansion valve is optimized from manufacturing material, manufacturing process for the lead screw has production efficiency height, and the product size uniformity is good, need not lathe work behind the injection moulding, and material utilization is high, thereby has reduced manufacturing cost. The utility model is realized in such a way that the injection molding screw rod consists of a screw rod injection molding body and a screw rod insert, the screw rod injection molding body is provided with a stepped hole as the center, the excircle is provided with an external thread meshed with a guide nut, and the large end of the aperture and the screw rod insert are cast into a shoulder fixed with a magnetic ring connecting sleeve; the screw rod insert is an annular part with a stepped inner hole and is made of a metal material, and the annular wall is provided with a group of holes for increasing the bonding strength with the screw rod injection molding body.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a structural position diagram of the present invention.
Fig. 2 is a cross-sectional view of the screw rod insert of the present invention.
Fig. 3 is a three-dimensional view of the screw rod insert of the present invention.
Fig. 4 is the utility model discloses mould plastics the lead screw three-dimensional map.
Fig. 5 is a structural position diagram of the electronic expansion valve rotor of the present invention.
In the figure 1, a screw rod is injection molded; 1-1, a screw rod injection molding body; 1-2 and a screw rod insert.
Detailed Description
The utility model discloses an injection molding screw rod 1 comprises a screw rod injection molding body 1-1 and a screw rod insert 1-2, wherein the screw rod injection molding body 1-1 is provided with a stepped hole as the center, the excircle is provided with an external thread meshed with a guide nut, and the large end of the hole diameter and the screw rod insert 1-2 are cast into a retaining shoulder fixed with a magnetic ring connecting sleeve and are made of plastic materials; the screw rod insert 1-2 is an annular part with a stepped inner hole and is made of a metal material, and the annular wall is provided with a group of holes for increasing the bonding strength with the screw rod injection molding body 1-1.
Claims (1)
1. An injection molding screw rod of an electronic expansion valve is characterized by comprising a screw rod injection molding body and a screw rod insert, wherein the screw rod injection molding body is provided with a stepped hole as the center, an external thread meshed with a guide nut is arranged on the outer circle, the large-aperture end and the screw rod insert are cast to form a retaining shoulder fixed with a magnetic ring connecting sleeve, and the retaining shoulder is made of plastic materials; the screw rod insert is an annular part with a stepped inner hole and is made of a metal material, and the annular wall is provided with a group of holes for increasing the bonding strength with the screw rod injection molding body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021280004.7U CN213236108U (en) | 2020-07-04 | 2020-07-04 | Injection molding screw rod of electronic expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021280004.7U CN213236108U (en) | 2020-07-04 | 2020-07-04 | Injection molding screw rod of electronic expansion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213236108U true CN213236108U (en) | 2021-05-18 |
Family
ID=75886533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021280004.7U Expired - Fee Related CN213236108U (en) | 2020-07-04 | 2020-07-04 | Injection molding screw rod of electronic expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213236108U (en) |
-
2020
- 2020-07-04 CN CN202021280004.7U patent/CN213236108U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210518 |