CN202118202U - Mechanical protecting structure of spiral lifter - Google Patents
Mechanical protecting structure of spiral lifter Download PDFInfo
- Publication number
- CN202118202U CN202118202U CN2011202143054U CN201120214305U CN202118202U CN 202118202 U CN202118202 U CN 202118202U CN 2011202143054 U CN2011202143054 U CN 2011202143054U CN 201120214305 U CN201120214305 U CN 201120214305U CN 202118202 U CN202118202 U CN 202118202U
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- CN
- China
- Prior art keywords
- nuts
- nut
- thread section
- worm
- shaft sections
- 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 - Lifetime
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- 230000003287 optical effect Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000009347 mechanical transmission Effects 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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Abstract
The utility model relates to a mechanical protecting structure of a spiral lifter, which belongs to the technical field of mechanical transmission and comprises a lifter body (1). A worm (3) and nuts (4) are arranged in the lifter body (1), worm gear teeth are arranged on the peripheral face of the nuts (4), and the worm (3) is meshed with the nuts (4). A lead screw (5) is arranged at the center of the nuts (4) in penetrating mode and comprises a middle thread section (5.1) and bear shaft sections (5.2) arranged on two sides, the diameter of the bear shaft sections (5.2) is no larger than the small diameter of the thread section (5.1), and the length of the bear shaft sections (5.2) is larger than that of the nuts (4). Only the middle thread section of the lead screw plays the transmission effect, and the nuts can spin on the two bear shaft sections on two sides of the lead screw and can slide freely. Therefore, the spiral lifter can be prevented from being damaged even under conditions of incorrect manipulations or failure of a limiting switch.
Description
Technical field
The utility model relates to a kind of mechanical protection structure that is used for spiral lift, belongs to the mechanical transmissioning technology field.
Background technique
Spiral lift is widely used in all trades and professions as a kind of straight line motion product, and present spiral lift in use adopts following protected-type usually: rely on limit switch to control the stroke of lift, the limit travel of restriction screw mandrel.But when misoperation or limit switch occurring when malfunctioning, then a position phenomenon can appear in screw mandrel, thereby mechanism is damaged.
Summary of the invention
The purpose of the utility model is to overcome above-mentioned deficiency, and a kind of mechanical protection structure of spiral lift is provided, and can effectively protect the spiral lifting machine mechanism to avoid damaging.
The purpose of the utility model is achieved in that a kind of mechanical protection structure of spiral lift, and it comprises body, is provided with worm screw and nut in the said body; Said nut outer edge surface is provided with worm-gear tooth; Said worm screw and nut are meshing with each other, and said nut center is coated with screw mandrel, is characterized in: the thread section in the middle of said screw mandrel comprises and the optical axis section on both sides; The diameter of said optical axis section is not more than the path of thread section, and the length of said optical axis section is greater than the length of nut.
Compared with prior art, the beneficial effect of the utility model is:
The mechanical protection structure of a kind of spiral lift of the utility model; The only middle thread section of its screw mandrel plays gearing; The optical axis section of nut on the screw mandrel both sides can dally and freely skid, and when misoperation or limit switch inefficacy, also can effectively protect the spiral lifting machine mechanism to avoid damaging.
Description of drawings
The schematic representation of the mechanical protection structure of a kind of spiral lift of Fig. 1 the utility model.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is the upper limit protection schematic representation of the mechanical protection structure of a kind of spiral lift of the utility model.
Fig. 4 is the lower limit protection schematic representation of the mechanical protection structure of a kind of spiral lift of the utility model.
Wherein:
Body 1
End cap 2
Worm screw 3
Nut 4
Screw mandrel 5
Thread section 5.1
Optical axis section 5.2.
Embodiment
Referring to Fig. 1 ~ Fig. 4, the utility model relates to a kind of mechanical protection structure of spiral lift, and it comprises body 1; Be provided with worm screw 3 and nut 4 in the said body 1; Said nut 4 outer edge surfaces are provided with worm-gear tooth, and said worm screw 3 is meshing with each other with nut 4, and said body 1 top is provided with end cap 2; Said nut 4 centers are coated with screw mandrel 5; The thread section 5.1 in the middle of said screw mandrel 5 comprises and the optical axis section 5.2 on both sides, said optical axis section 5.2 length are greater than the length of nut 4, and the diameter of said optical axis section 5.2 is less than the path of thread section 5.1.
Claims (1)
1. the mechanical protection structure of a spiral lift; It comprises body (1); Be provided with worm screw (3) and nut (4) in the said body (1), said nut (4) outer edge surface is provided with worm-gear tooth, and said worm screw (3) is meshing with each other with nut (4); Said nut (4) center is coated with screw mandrel (5); It is characterized in that: the thread section (5.1) in the middle of said screw mandrel (5) comprises and the optical axis section (5.2) on both sides, the diameter of said optical axis section (5.2) is not more than the path of thread section (5.1), and the length of said optical axis section (5.2) is greater than the length of nut (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202143054U CN202118202U (en) | 2011-06-23 | 2011-06-23 | Mechanical protecting structure of spiral lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202143054U CN202118202U (en) | 2011-06-23 | 2011-06-23 | Mechanical protecting structure of spiral lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202118202U true CN202118202U (en) | 2012-01-18 |
Family
ID=45459269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202143054U Expired - Lifetime CN202118202U (en) | 2011-06-23 | 2011-06-23 | Mechanical protecting structure of spiral lifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202118202U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777748A (en) * | 2012-08-08 | 2012-11-14 | 吉林大学 | Static expanding lifting device of automobile air bag |
| CN103863976A (en) * | 2014-01-13 | 2014-06-18 | 洛阳锐腾机械设备有限公司 | Worm wheel spiral elevator |
| CN104455320A (en) * | 2014-12-26 | 2015-03-25 | 常熟市佳宏精密机械有限公司 | Worm gear for elevator |
| CN105240476A (en) * | 2015-09-30 | 2016-01-13 | 杭州祥生砂光机制造有限公司 | Finely-adjusted type precise mechanical pressure station and working method |
| CN105240477A (en) * | 2015-09-30 | 2016-01-13 | 杭州祥生砂光机制造有限公司 | Finely-adjusted type precise flattening machine and working method |
-
2011
- 2011-06-23 CN CN2011202143054U patent/CN202118202U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777748A (en) * | 2012-08-08 | 2012-11-14 | 吉林大学 | Static expanding lifting device of automobile air bag |
| CN102777748B (en) * | 2012-08-08 | 2014-03-26 | 吉林大学 | Static expanding lifting device of automobile air bag |
| CN103863976A (en) * | 2014-01-13 | 2014-06-18 | 洛阳锐腾机械设备有限公司 | Worm wheel spiral elevator |
| CN104455320A (en) * | 2014-12-26 | 2015-03-25 | 常熟市佳宏精密机械有限公司 | Worm gear for elevator |
| CN105240476A (en) * | 2015-09-30 | 2016-01-13 | 杭州祥生砂光机制造有限公司 | Finely-adjusted type precise mechanical pressure station and working method |
| CN105240477A (en) * | 2015-09-30 | 2016-01-13 | 杭州祥生砂光机制造有限公司 | Finely-adjusted type precise flattening machine and working method |
| CN105240476B (en) * | 2015-09-30 | 2019-07-16 | 杭州祥生砂光机制造有限公司 | Accurate accurate adjustment mechanical pressure station and working method |
| CN105240477B (en) * | 2015-09-30 | 2019-07-16 | 杭州祥生砂光机制造有限公司 | Accurate fine adjustment type level(l)ing machine and working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |
|
| CX01 | Expiry of patent term |