CN102705466A - Screw rod - Google Patents
Screw rod Download PDFInfo
- Publication number
- CN102705466A CN102705466A CN2012102008494A CN201210200849A CN102705466A CN 102705466 A CN102705466 A CN 102705466A CN 2012102008494 A CN2012102008494 A CN 2012102008494A CN 201210200849 A CN201210200849 A CN 201210200849A CN 102705466 A CN102705466 A CN 102705466A
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- CN
- China
- Prior art keywords
- screw mandrel
- present
- screw rod
- locating piece
- joint
- 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.)
- Pending
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Abstract
The invention provides a screw rod. The screw rod comprises a cylindrical body, wherein a connecting part is convexly arranged at one end of the body of the screw rod, a through groove is formed on the connecting part, and an annular positioning piece is also arranged on the body. The positioning piece is arranged on the screw rod provided by the invention, the screw rod arranged in such a way can be positioned exactly during a drive process, and the requirements of production and processing are met.
Description
Technical field
The present invention relates to a kind of mechanical parts, relate in particular to a kind of screw mandrel.
Background technique
Screw mandrel is that rotation motion is converted into straight line motion, or straight line motion is converted into the desirable product of rotation motion.Screw mandrel is made up of screw rod, nut and ball.Its function is to change into straight line motion with rotatablely moving, and this is the further extension and the development of ball screw, and the significance of this development becomes bearing into sliding action from scroll actions exactly.Owing to have very little surface friction drag, leading screw is widely used in various industry equipments and precision type instrument.
Screw mandrel need limit its transmission position sometimes, but existing screw mandrel often can not satisfy this requirement in transmission process.
Therefore, be necessary existing screw mandrel is improved, to address the above problem.
Summary of the invention
The object of the present invention is to provide a kind of screw mandrel, it has overcome the inaccurate problem in location in the screw mandrel movement process of the prior art.
Be to realize the foregoing invention purpose, a kind of screw mandrel of the present invention, it comprises columniform body, is provided with a junction from a distal process of the body of said screw mandrel, offers groove on the said joint; Also be provided with the locating piece of annular on the said body.
As further improvement of the present invention, the locating piece of said annular is perpendicular to the wall of the body of said screw mandrel.
As further improvement of the present invention, the locating piece of said annular is near an end of said joint.
As further improvement of the present invention, the width of said locating piece is 10mm.
As further improvement of the present invention, the diameter of the locating piece of said annular is 35mm.
As further improvement of the present invention, said groove extends axially along the body of said screw mandrel.
As further improvement of the present invention, the body interior of said screw mandrel is a hollow structure.
As further improvement of the present invention, the length of said screw mandrel is 350mm.
As further improvement of the present invention, said joint is cylindrical.
As further improvement of the present invention, the diameter of said joint is less than the diameter of the body of said screw mandrel.
Compared with prior art, the invention has the beneficial effects as follows: screw mandrel of the present invention is provided with locating piece, and it can accurately locate the screw mandrel that so is provided with in transmission process, satisfies the needs of production and processing.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art; Do to introduce simply in the face of the accompanying drawing of required use in embodiment or the existing technology down; Obviously, the accompanying drawing relevant of the present invention in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 be screw mandrel of the present invention plan view;
Fig. 2 is the cutaway view Amplified image of screw mandrel A-A direction shown in Figure 1.
Embodiment
Below in conjunction with each mode of execution shown in the drawings the present invention is elaborated; But should be noted that; These mode of executions are not limitation of the present invention; The function that those of ordinary skills do according to these mode of executions, method, or structural equivalent transformation or substitute all belong within protection scope of the present invention.
Like Fig. 1, shown in Figure 2, Fig. 1 is the plan view of screw mandrel 100 in this mode of execution, and Fig. 2 is the cutaway view Amplified image of screw mandrel 100A-A direction shown in Figure 1.It comprises columniform body 10, is provided with a cylindrical joint 11 from a distal process of the body 10 of said screw mandrel 100, and the diameter of this cylindrical joint 11 is less than the diameter of said body 10.Also offer groove 111 on the said joint 11, this groove 111 extends axially along the body 10 of said screw mandrel 100.
Also be provided with the locating piece 12 of annular on the said body 10, the locating piece 12 of above-mentioned annular is perpendicular to the wall of the body 10 of said screw mandrel 100, and locating piece 12 is near an end of said joint 11.
In this mode of execution, as a kind of preferred implementation, the width of said locating piece is 10mm, and its diameter is 35mm.
Simultaneously, the inside of the body 10 of above-mentioned screw mandrel 100 is hollow structure, and preferably, the length of screw mandrel 100 is 350mm
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned example embodiment, and under the situation that does not deviate from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore; No matter from which point; All should regard embodiment as exemplary; And be nonrestrictive, scope of the present invention is limited accompanying claims rather than above-mentioned explanation, therefore is intended to the implication of the equivalents that drops on claim and all changes in the scope are included in the present invention.Should any reference character in the claim be regarded as limit related claim.
In addition; Describing according to mode of execution though should be appreciated that this specification, is not that each mode of execution only comprises an independently technological scheme; This narrating mode of specification only is for clarity sake; Those skilled in the art should make specification as a whole, and the technological scheme among each embodiment also can form other mode of executions that it will be appreciated by those skilled in the art that through appropriate combination.
Claims (8)
1. a screw mandrel is characterized in that, said screw mandrel comprises columniform body, is provided with a junction from a distal process of the body of said screw mandrel, offers groove on the said joint; Also be provided with the locating piece of annular on the said body, the locating piece of said annular is perpendicular to the wall of the body of said screw mandrel and near an end of said joint.
2. screw mandrel according to claim 1 is characterized in that, the width of said locating piece is 10mm.
3. screw mandrel according to claim 1 is characterized in that, the diameter of the locating piece of said annular is 35mm.
4. screw mandrel according to claim 1 is characterized in that, said groove extends axially along the body of said screw mandrel.
5. screw mandrel according to claim 4 is characterized in that, the body interior of said screw mandrel is a hollow structure.
6. screw mandrel according to claim 1 is characterized in that, the length of said screw mandrel is 350mm.
7. screw mandrel according to claim 1 is characterized in that, said joint is cylindrical.
8. screw mandrel according to claim 7 is characterized in that the diameter of said joint is less than the diameter of the body of said screw mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102008494A CN102705466A (en) | 2012-06-19 | 2012-06-19 | Screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102008494A CN102705466A (en) | 2012-06-19 | 2012-06-19 | Screw rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102705466A true CN102705466A (en) | 2012-10-03 |
Family
ID=46898453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102008494A Pending CN102705466A (en) | 2012-06-19 | 2012-06-19 | Screw rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102705466A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009204036A (en) * | 2008-02-27 | 2009-09-10 | Nsk Ltd | Ball screw device |
| CN101713745A (en) * | 2008-10-07 | 2010-05-26 | 苏州德天自动化科技有限公司 | Drive lead screw |
| CN201896853U (en) * | 2010-12-22 | 2011-07-13 | 上海海事大学 | Stepped rotating shaft |
| CN202646572U (en) * | 2012-06-19 | 2013-01-02 | 无锡市百顺机械厂 | Screw rod |
-
2012
- 2012-06-19 CN CN2012102008494A patent/CN102705466A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009204036A (en) * | 2008-02-27 | 2009-09-10 | Nsk Ltd | Ball screw device |
| CN101713745A (en) * | 2008-10-07 | 2010-05-26 | 苏州德天自动化科技有限公司 | Drive lead screw |
| CN201896853U (en) * | 2010-12-22 | 2011-07-13 | 上海海事大学 | Stepped rotating shaft |
| CN202646572U (en) * | 2012-06-19 | 2013-01-02 | 无锡市百顺机械厂 | Screw rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121003 |