CN210799934U - USB telescopic transmission screw - Google Patents
USB telescopic transmission screw Download PDFInfo
- Publication number
- CN210799934U CN210799934U CN201921383665.XU CN201921383665U CN210799934U CN 210799934 U CN210799934 U CN 210799934U CN 201921383665 U CN201921383665 U CN 201921383665U CN 210799934 U CN210799934 U CN 210799934U
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- Prior art keywords
- assembly
- spacing
- usb
- transmission piece
- external diameter
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- Expired - Fee Related
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Abstract
The utility model discloses a flexible drive screw of USB, it is including the transmission piece assembly axial region, the spacing portion of spanner assembly, assembly direction step portion and the screw section that connect gradually, the radial increase of one end that the transmission piece assembly axial region is close to the spacing portion of spanner assembly forms first spacing step, and the radial increase of the other end forms the spacing step of second. The limiting part is assembled through the wrench, the screw rod part can be conveniently and quickly installed at a required position, convenience is brought to assembly and installation, the shaft part can be conveniently and quickly clamped into a required installation hole through the transmission piece assembly shaft part, the assembly process is effectively simplified, the operation is simple and easy, time and labor are saved, and the assembly efficiency is improved; the first limiting step and the second limiting step are limited, so that the matching tightness is effectively improved, the loosening phenomenon caused by vibration is avoided, the stability is good, the connection is firm, and the working stability is good; in addition, the whole structure is simple, the realization is easy, the cost is relatively low, and the large-area popularization and application are convenient.
Description
Technical Field
The utility model relates to a screw technical field, concretely relates to flexible transmission screw of USB.
Background
Although the existing screw can meet the function of connecting and fastening objects, the existing screw has a single function and cannot drive other parts to move so as to achieve a transmission effect; therefore, the transmission shaft or other transmission parts can be only added and connected with the driving piece through screws to achieve the purpose of transmission, so that the structure is complex, the trouble is brought to the installation process, the working effect is low, and the cost is increased.
Most of the existing recording pens are provided with USB plugs to facilitate charging and data exchange; for the appearance pleasing to the eye, the USB plug mostly adopts extending structure, is equipped with the shell that pushes away that can promote the relative shell of a pen of USB plug and do the flexible action promptly on the shell of recording pen, should push away the shell and be connected through the screw with the one end of transmission part, the other end of this transmission part is connected through the mounting hole on screw and the USB plug. The structure is relatively complex, the installation is troublesome, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
To the above, an object of the utility model is to provide a structural design is ingenious, reasonable, has transmission function, and the flexible transmission screw of USB of easy erection installation.
In order to achieve the above purpose, the utility model provides a technical scheme is: the utility model provides a flexible drive screw of USB, its is including the transmission piece assembly axial region, the spacing portion of spanner assembly, assembly direction step portion and the screw rod portion that connect gradually, the transmission piece assembly axial region is close to the radial increase of one end of the spacing portion of spanner assembly and forms first spacing step, and the radial increase of the other end forms the spacing step of second, and the external diameter of this spacing step of second is less than the external diameter of first spacing step, the external diameter of the spacing portion of spanner assembly is greater than the external diameter of first spacing step, be equipped with plane portion and arc surface portion on the outer peripheral face of the spacing portion of spanner assembly, the external diameter of assembly direction step portion is less than the external diameter of the spacing portion of spanner assembly, nevertheless is greater than the external.
As an improvement of the utility model, the thickness of first spacing step is greater than the thickness of the spacing step of second. The thickness of the first limiting step is thicker, so that the interval between the first limiting step and the USB plug is increased, and the interference phenomenon between parts is avoided.
As the utility model discloses an improve, the one end outer peripheral edges that assembly direction step portion is close to screw rod portion are equipped with the chamfer, make things convenient for assembly direction step portion embedding to push away in the mounting hole of shell, promote the inseparable nature of complex.
As an improvement of the utility model, the spacing portion of transmission piece assembly axial region, spanner assembly, assembly direction step portion and screw rod portion connection structure as an organic whole to on same axis. Firm in connection, transmission stability is good.
As an improvement of the utility model, be equipped with the bump on the looks lateral wall of first spacing step and the spacing step of second, promote the cooperation effect.
As an improvement of the utility model, be equipped with many sand grips that extend along its axis direction on the outer peripheral face of transmission piece assembly axial region, promote the complex compactness.
As an improvement of the utility model, the outer surface is electroplated with a colorful zinc layer. The outer surface is electroplated with a colored zinc layer, and then is subjected to dehydrogenation for 6 hours, so that the wear resistance and the alkali and acid resistance are effectively improved.
The utility model has the advantages that: the utility model has the advantages of reasonable structural design, be equipped with spanner assembly spacing portion, can conveniently install screw rod portion in required position fast, bring the convenience for the assembly installation, can conveniently fast block in required mounting hole through drive plate assembly axial region, effectively simplify the assembly process, the operation is simple and easy, labour saving and time saving promotes assembly efficiency; the first limiting step and the second limiting step are limited, so that the matching tightness is effectively improved, the loosening phenomenon caused by vibration is avoided, the stability is good, the connection is firm, and the working stability is good; in addition, the whole structure is simple, the realization is easy, the cost is relatively low, and the large-area popularization and application are convenient.
The present invention will be further explained with reference to the drawings and the embodiments.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Detailed Description
Referring to fig. 1 and 2, the USB telescopic driving screw provided in this embodiment includes a driving strap assembling shaft portion 1, a wrench assembling limiting portion 2, an assembling guiding step portion 3, and a screw portion 4, which are connected in sequence, and preferably, the driving strap assembling shaft portion 1, the wrench assembling limiting portion 2, the assembling guiding step portion 3, and the screw portion 4 are connected together and are on the same axis. Firm in connection, transmission stability is good. Preferably, the outer surface of the USB telescopic transmission screw of the utility model is electroplated with a colorful zinc layer. The outer surface is electroplated with a colored zinc layer, and then is subjected to dehydrogenation for 6 hours, so that the wear resistance and the alkali and acid resistance are effectively improved.
One end of the transmission piece assembling shaft part 1 close to the wrench assembling limiting part 2 is radially enlarged to form a first limiting step 5, and the other end of the transmission piece assembling shaft part is radially enlarged to form a second limiting step 6. Preferably, the thickness of the first limiting step 5 is greater than that of the second limiting step 6. The thickness of the first limiting step 5 is thicker, the interval between the first limiting step 5 and the USB plug is increased, and the interference phenomenon between parts is avoided.
The external diameter of the second limit step 6 is smaller than the external diameter of the first limit step 5, the external diameter of the wrench assembly limit part 2 is larger than the external diameter of the first limit step 5, the outer peripheral surface of the wrench assembly limit part 2 is provided with a plane part 21 and an arc surface part 22, and the jaw of the wrench can be conveniently meshed with the plane part 21. The outer diameter of the assembly guiding step part 3 is smaller than that of the wrench assembly limiting part 2, but is larger than that of the screw rod part 4. The assembly guide step portion 3 is close to the one end outer peripheral edge of screw rod portion 4 and is equipped with the chamfer, makes things convenient for assembly guide step portion 3 embedding to push away in the mounting hole of shell, promotes the inseparable of complex.
In the embodiment, taking a telescopic structure of a USB plug applied to a recording pen as an example, during assembly, the screw rod part 4 is aligned to a threaded hole of the push shell, and then the wrench assembly limiting part 2 is rotated to screw the screw rod part 4 into the threaded hole for locking; then with the mounting hole on the USB plug with the transmission piece assembly axial region 1 relative right and block in, realize the assembly purpose, effectively simplify the assembly process, the operation is simple and easy, labour saving and time saving promotes assembly efficiency. When promoting to push away the shell, can pass through the utility model discloses the flexible transmission screw of USB realizes synchronous drive's purpose, and then realizes the flexible purpose of USB plug.
Preferably, in order to improve the matching effect, the mutually side walls of the first limiting step 5 and the second limiting step 6 are provided with salient points which can be pressed on the peripheral position of the mounting hole, so that the assembling stability is improved. Be equipped with many sand grips that extend along its axis direction on the outer peripheral face of driving plate assembly axial region 1, this sand grip can the roof pressure in the inboard of mounting hole, avoids making circumferential direction relatively, promotes the inseparable nature of complex, and job stabilization nature is good.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation. Like the above-mentioned embodiment of the present invention, other screws obtained by adopting the same or similar structure are all within the protection scope of the present invention.
Claims (7)
1. The utility model provides a flexible drive screw of USB, its characterized in that, its includes the transmission piece assembly axial region, the spacing portion of spanner assembly, assembly direction step portion and the screw rod portion that connect gradually, the transmission piece assembly axial region is close to the radial increase of one end of the spacing portion of spanner assembly and forms first spacing step, and the radial increase of the other end forms the spacing step of second, and the external diameter of this spacing step of second is less than the external diameter of first spacing step, the external diameter of the spacing portion of spanner assembly is greater than the external diameter of first spacing step, be equipped with plane portion and arc surface portion on the outer peripheral face of the spacing portion of spanner assembly, the external diameter of assembly direction step portion is less than the external diameter of the spacing portion of spanner assembly, nevertheless is greater than the external.
2. The USB telescoping drive screw of claim 1, wherein: the thickness of the first limiting step is larger than that of the second limiting step.
3. The USB telescoping drive screw of claim 1, wherein: and the outer periphery of one end of the assembly guide step part close to the screw rod part is provided with a chamfer.
4. The USB telescoping drive screw of claim 1, wherein: the transmission piece assembling shaft part, the wrench assembling limiting part, the assembling guide step part and the screw part are of an integrated connecting structure and are on the same axis.
5. The USB telescoping drive screw of claim 1, wherein: salient points are arranged on the side walls of the first limiting step and the second limiting step.
6. The USB telescoping drive screw of claim 1, wherein: the outer peripheral surface of the transmission piece assembling shaft part is provided with a plurality of convex strips extending along the axis direction.
7. The USB telescoping drive screw according to any one of claims 1-6, wherein: the outer surface of the glass is electroplated with a colorful zinc layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921383665.XU CN210799934U (en) | 2019-08-24 | 2019-08-24 | USB telescopic transmission screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921383665.XU CN210799934U (en) | 2019-08-24 | 2019-08-24 | USB telescopic transmission screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210799934U true CN210799934U (en) | 2020-06-19 |
Family
ID=71239884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921383665.XU Expired - Fee Related CN210799934U (en) | 2019-08-24 | 2019-08-24 | USB telescopic transmission screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210799934U (en) |
-
2019
- 2019-08-24 CN CN201921383665.XU patent/CN210799934U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: USB telescopic drive screw Effective date of registration: 20200729 Granted publication date: 20200619 Pledgee: Dongguan branch of Bank of Dongguan Co.,Ltd. Pledgor: DONGGUAN CITY YU-HUANG ELECTRONICS TECHNOLOGY Co.,Ltd. Registration number: Y2020980004529 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220513 Granted publication date: 20200619 Pledgee: Dongguan branch of Bank of Dongguan Co.,Ltd. Pledgor: DONGGUAN CITY YU-HUANG ELECTRONICS TECHNOLOGY CO.,LTD. Registration number: Y2020980004529 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 Termination date: 20210824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |