CN204372077U - A kind of torsion spring disappears gap nut - Google Patents
A kind of torsion spring disappears gap nut Download PDFInfo
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- CN204372077U CN204372077U CN201420812958.6U CN201420812958U CN204372077U CN 204372077 U CN204372077 U CN 204372077U CN 201420812958 U CN201420812958 U CN 201420812958U CN 204372077 U CN204372077 U CN 204372077U
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- adjusting nut
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Abstract
The utility model discloses a kind of torsion spring to disappear gap nut, comprise T-shaped screw rod, the described end of T-shaped screw rod is connected with the threaded one end of flange nut, described flange nut is connected by spring adjusting nut and the gap adjusting nut that disappears, device of the present utility model is after being arranged on screw rod, and manual tune spring torsion eliminates backlass, and the power on nut is by rotating the generation that seesaws, as long as spring torsion exists, nut would not have backlass.The gap nut that disappears of this structure can promote or pull any power and not need nut to screw out.Simultaneously the disappear nut of this structure of gap nut of torsion spring is designed to turnable, and the axial strength of nut can be made to become large.Because use torque spring, the wearing and tearing of nut are compensated.
Description
Technical field
The utility model relates to a kind of gap assembly that disappears be used in stepping lead screw motor, especially relates to a kind of torsion spring and to disappear gap nut.
Background technique
In current motion control field, stepping lead screw motor is as a kind of equipment conventional in dynamo-electric activity in production, and using scope is wide, and it is the actuator of angular displacement and position displacement by electroporation.Use the transmission of nut nut to obtain in present industry equipment as the pattern of straight line motion to use widely, and in occupation of consequence.But screw rod and nut contact interface can produce error, or produce reverse gap in it seesaws process.This gap can cause the step-out of straight line motion, and in the occasion of hi-Fix, this step-out must be compensated.
The slotted mode that disappears of current conventional nut comprises following four kinds of modes: 1, use Double-nut threaded formula to disappear gap.The position to axial being adjusted two nuts by round nut realizes pretension, and adjust the locking of rear another one round nut, this structural adjustment is convenient, and in use, adjusts at any time, but pretightening force can not accurately control.2, double-nut gasket type disappears gap.This form structure is simple and reliable, and good rigidity is most widely used, and between double nut, the form of shimming can adjust pretightening force by professional production factory according to customer requirement in advance, loads and unloads very convenient during use.3, tooth differential disappears gap.The flange of two nuts is respectively shaped with cylindrical external gear, is meshed respectively with the ring gear being fixed tightly in sleeve two ends, its number of teeth is respectively Z1 and Z2, and differs a tooth.During adjustment, first take off ring gear, allow two nuts are equidirectional relative to sleeve all rotates a tooth, and then insert ring gear, then two nuts produce relative angular displacements.4, spring pre-tightening disappears gap.This structure is identical with pad principle, and by front and back nut, the collar, Compress Spring forms, and the external splines of front nut and the internal spline of back nut coordinate, and play anti-rotation action.In order to make to disappear, gap nut effectively works, two nuts must respectively equidirectional near or deviate from the other direction, adopt opposite force to push nut open to eliminate gap, nut deviates from respectively towards direction due to Compress Spring active force, thus elimination gap.
And adopt the defect of reverse anti-backlash nut to be: under most of reverse anti-backlash nut is in tension state, when they and screw rod depart from, two-part can be thrown off suddenly, because there is a constant pressure between two nuts, and therefore can by they are apart from one another.And before most of reverse anti-backlash nut is installed on screw rod, all need calibration; Therefore once install, just can not calibrate again.Last reverse anti-backlash nut can not comprise oneself, and all working parts, all in the outside of nut, can affect the working method of reverse anti-backlash nut like this.
Model utility content
The purpose of this utility model is the problem solving above-mentioned proposition, certain self-lock force is not only provided to select, more tolerant to the error of system, and cooperation processing can be carried out for the screw rod of various outer diameter, meet the personalized customization of client with this, the most important a kind of torsion spring that there is provided good repetitive positioning accuracy disappears gap nut.
The purpose of this utility model realizes as follows: 1, a kind of torsion spring disappears gap nut, comprise T-shaped screw rod, the described end of T-shaped screw rod is connected with the threaded one end of flange nut, and described flange nut is connected by spring adjusting nut and the gap adjusting nut that disappears.
2, torsion spring disappears gap nut, also comprises a point body nut, described point of body nut through disappear gap adjusting nut and spring adjusting nut fastening.
3, torsion spring disappears gap nut, and the wherein said gap adjusting nut that disappears is connected with spring adjusting nut.
4, torsion spring disappears gap nut, and the wherein said gap adjusting nut that disappears is connected with spring adjusting nut by torque spring.
5, torsion spring disappears gap nut, wherein also comprises point body nut of the inside being arranged on flange nut, is the distance of two teeth between described flange nut and point body nut.
6, torsion spring disappears gap nut, and the wherein said gap adjusting nut linking springs adjusting nut that disappears is fastening by flange nut, and torque spring and point body nut apply power to spring adjusting nut and act on flange nut, make both mutually deviate from, eliminate gap.
Advantage of the present utility model: 1, device of the present utility model is after being arranged on screw rod, manual tune spring torsion eliminates backlass, power on nut is by rotating the generation that seesaws, as long as spring torsion exists, nut would not have backlass.The gap nut that disappears of this structure can promote or pull any power and not need nut to screw out.Simultaneously the disappear nut of this structure of gap nut of torsion spring is designed to turnable, and the axial strength of nut can be made to become large.Because use torque spring, the wearing and tearing of nut are compensated.
2, just torsion is carried when nut of the present utility model is connected to screw rod, reach this structure of the gap function that disappears simple, be convenient to install, coordinate 303 stainless T-shaped screw mandrels, certain self-lock force can be provided to select, more tolerant to the error of system, cooperation processing can be carried out for the screw rod of various outer diameter, the personalized customization of client is met with this, most importantly there is provided good repetitive positioning accuracy, even in the environment of some many dusts, the slotted mode that the disappears use more suitable for ball screw of this structure, precision is better.Simultaneously the material major part of nut is all the POM of band selflubricating, coordinates the T-shaped screw mandrel of 303 stainless steel, and weight is lighter, and noise is less, is more adapted to medical equipment, food processing, waits some on noise and the too high automation equipment of hygienic requirements.
3, body nut is divided to be arranged on the inside of flange nut, two nut interface are at a distance of the distance of about two teeth, adjusting nut connects torsion spring adjusting nut, be fastened on flange nut, with certain torsion, spring and a point body nut apply power to adjusting nut, then effect and flange nut, make both mutually deviate from, eliminate gap.This torsion spring gap-eliminating structure is simple, and component only have 5 kinds, utilize mold injection to be formed respectively, and before not being arranged on screw rod, integrally and tapping entirety tapping and forming, processing technology is simple for various injection moulding nut combinations.Torsion spring disappears in gap nut structure, because spring can provide a constant power, can reach the effect of backlash compensation.
Accompanying drawing explanation
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is detonation configuration schematic diagram of the present utility model;
Fig. 2 is the assembly structure schematic diagram of Fig. 1;
Fig. 3 is the sectional view of another embodiment;
Reference character: 1, T-shaped screw rod, 2, flange nut, 3, spring adjusting nut, 4, torque spring, 5, the gap that disappears adjusting nut, 6, point body nut.
embodiment:
Embodiment 1
See shown in Fig. 1 to Fig. 2, a kind of torsion spring disappears gap nut, and comprise T-shaped screw rod 1, the end of described T-shaped screw rod 1 is connected with the threaded one end of flange nut 2, and described flange nut 2 is connected by spring adjusting nut 3 and the gap adjusting nut 5 that disappears.Also comprise point body nut 6, described point of body nut 6 is fastening with spring adjusting nut 3 through the gap adjusting nut 5 that disappears.Described gap adjusting nut 5 and the spring adjusting nut 3 of disappearing.The described gap adjusting nut 5 that disappears is connected with spring adjusting nut 3 by torque spring 4.
Its working procedure is: as shown in Figure 1, flange nut 2 first coordinates with T-shaped screw rod 1, then spring adjusting nut 3 coordinates flange nut 2, and spring 4 two ends are separately fixed at spring adjusting nut 3 and disappear on gap adjusting nut 5, preloading spring 4, the gap that disappears adjusting nut 5 and flange nut screw thread 2 link together, insert a point body nut 6, adjustment spring adjusting nut 3, makes to disappear gap nut with certain torsion, be installed to T-shaped screw rod 1, the lower adjusting nut of adjustment can reach the gap function that disappears.
Cooperation overall diagram as shown in Figure 2, Fig. 2 be 57 disappear gap adjusting nut 5 and T-shaped screw rod 1 coordinate overall diagram, this structure is simple, be convenient to install, coordinate 303 stainless T-shaped screw rods 1, certain self-lock force can be provided to select, more tolerant to the error of system, cooperation processing can be carried out for the screw rod of various outer diameter, meet the personalized customization of client with this, most importantly there is provided good repetitive positioning accuracy, even in the environment of some many dusts, the slotted mode that the disappears use more suitable for ball screw of this structure, precision is better.Simultaneously the material major part of nut is all the POM of band selflubricating, coordinates the T-shaped screw mandrel of 303 stainless steel, and weight is lighter, and noise is less, is more adapted to medical equipment, food processing, waits some on noise and the too high automation equipment of hygienic requirements.
Embodiment 2
As shown in Figure 3, a kind of torsion spring disappears gap nut, and comprise T-shaped screw rod 1, the end of described T-shaped screw rod 1 is connected with the threaded one end of flange nut 2, and described flange nut 2 is connected by spring adjusting nut 3 and the gap adjusting nut 5 that disappears.Also comprise point body nut 6 of the inside being arranged on flange nut 2, it is the distance of two teeth between described flange nut 2 and point body nut 6, the described gap adjusting nut 5 linking springs adjusting nut 3 that disappears is by fastening for flange nut 2, torque spring 4 and point body nut 6 apply power and act on flange nut 2 to spring adjusting nut 3, make both mutually deviate from, eliminate gap.
Its working procedure is: the gap that disappears adjusting nut 5 is arranged on the inside of flange nut 2, two nuts are at a distance of the distance of about two teeth, adjusting nut is fastened on flange nut 2, the torsion that torsion spring band is certain, spring and a point body nut apply power to adjusting nut, then effect and flange nut, makes both mutually deviate from, eliminates gap.It is simple that this pressure turns round formula gap-eliminating structure, and component only have four kinds, and utilize grinding tool injection moulding to be formed respectively, overall tapping and forming, processing technology is simple.Pressure is turned round formula and is disappeared in gap nut structure, because spring can provide a constant power, can reach the effect of backlash compensation.But the nut under this load has less axial strength, and external loading is excessive, then gap can be produced again.
Above-described specific embodiment; the purpose of this utility model, technological scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a torsion spring disappears gap nut, it is characterized in that: comprise T-shaped screw rod (1), the end of described T-shaped screw rod (1) is connected with the threaded one end of flange nut (2), and described flange nut (2) is connected by spring adjusting nut (3) and the gap adjusting nut (5) that disappears.
2. torsion spring according to claim 1 disappears gap nut, it is characterized in that: also comprise a point body nut (6), and described point of body nut (6) is fastening with spring adjusting nut (3) through the gap adjusting nut (5) that disappears.
3. torsion spring according to claim 2 disappears gap nut, it is characterized in that: described in the gap adjusting nut (5) that disappears be connected with spring adjusting nut (3).
4. torsion spring according to claim 3 disappears gap nut, it is characterized in that: described in the gap adjusting nut (5) that disappears be connected with spring adjusting nut (3) by torque spring (4).
5. torsion spring according to claim 1 disappears gap nut, it is characterized in that: point body nut (6) also comprising the inside being arranged on flange nut (2), and described flange nut (2) is the distance of two teeth with dividing between body nut (6).
6. torsion spring according to claim 5 disappears gap nut, it is characterized in that: described in disappear gap adjusting nut (5) linking springs adjusting nut (3) by fastening for flange nut (2), torque spring (4) and point body nut (6) are to spring adjusting nut (3) applying power and act on flange nut (2), make both mutually deviate from, eliminate gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420812958.6U CN204372077U (en) | 2014-12-22 | 2014-12-22 | A kind of torsion spring disappears gap nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420812958.6U CN204372077U (en) | 2014-12-22 | 2014-12-22 | A kind of torsion spring disappears gap nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204372077U true CN204372077U (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420812958.6U Active CN204372077U (en) | 2014-12-22 | 2014-12-22 | A kind of torsion spring disappears gap nut |
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| Country | Link |
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| CN (1) | CN204372077U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145580A (en) * | 2019-06-27 | 2019-08-20 | 南京工程学院 | A kind of gap nut structure that disappears with component health status on-Line Monitor Device |
| CN110594378A (en) * | 2018-06-12 | 2019-12-20 | 上海鸣志电器股份有限公司 | Split nut combination |
-
2014
- 2014-12-22 CN CN201420812958.6U patent/CN204372077U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594378A (en) * | 2018-06-12 | 2019-12-20 | 上海鸣志电器股份有限公司 | Split nut combination |
| CN110145580A (en) * | 2019-06-27 | 2019-08-20 | 南京工程学院 | A kind of gap nut structure that disappears with component health status on-Line Monitor Device |
| CN110145580B (en) * | 2019-06-27 | 2024-05-10 | 南京工程学院 | Anti-backlash nut structure with component health status on-line monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: No.355, Longjin Road, Lucheng street, Changzhou Economic Development Zone, Changzhou City, Jiangsu Province, 213000 Patentee after: Jiangsu Dingzhi Intelligent Control Technology Co., Ltd Address before: 213000 3rd floor, building C, Tian'an industrial village, Xinbei District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU DINGS' ELECTRICAL & MECHANICAL Co.,Ltd. |
|
| CP03 | "change of name, title or address" |