CN110259905B - Trapezoidal nut of high strength firm type - Google Patents
Trapezoidal nut of high strength firm type Download PDFInfo
- Publication number
- CN110259905B CN110259905B CN201910619436.1A CN201910619436A CN110259905B CN 110259905 B CN110259905 B CN 110259905B CN 201910619436 A CN201910619436 A CN 201910619436A CN 110259905 B CN110259905 B CN 110259905B
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- fixed
- sleeve
- cover
- wall
- hole
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
Abstract
The invention discloses a high-strength firm trapezoidal nut which comprises a fixed disc, a fixed sleeve, a sliding sleeve, a guide groove, guide strips and movable rings, wherein a plurality of reinforcing ribs are arranged on the outer wall of the fixed sleeve, the two ends of the fixed sleeve are respectively fixed with the fixed disc, a plurality of first fixed holes are formed in the fixed disc, through holes which are communicated with a fixed sleeve shaft are formed in the two fixed discs, the inner diameter of each through hole is smaller than that of the fixed sleeve, the two movable rings are arranged in the fixed sleeve and are connected with the adjacent fixed discs through springs, the sliding sleeve is clamped between the two movable rings, trapezoidal threads are arranged on the inner wall of the sliding sleeve, the inner diameter of the sliding sleeve is smaller than that of the through holes, and the inner diameter of the sliding sleeve is smaller than that of the movable rings. According to the invention, the sliding sleeve, the guide groove, the guide strip and the movable ring are matched, so that axial force applied to the screw rod matched with the trapezoidal nut during reversing can be buffered through the spring, and the screw rod is effectively protected.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of hardware, in particular to the technical field of trapezoidal nuts.
[ background of the invention ]
The trapezoidal nut is a commonly used nut, which is often used together with a screw rod when in use, and can convert rotary motion into linear motion when being matched with the screw rod. In the process of reciprocating motion, the screw rod is subjected to a process of changing the rotating direction during reversing, and the screw rod is easily damaged due to large axial acting force caused by the trapezoidal nut and objects which are fixed with the trapezoidal nut and move together.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a high-strength firm trapezoidal nut which has high strength and is firmly fixed and not easy to damage a screw rod.
In order to achieve the purpose, the invention provides a high-strength firm trapezoidal nut which comprises a fixed disc, a fixed sleeve, a sliding sleeve, guide grooves, guide strips and movable rings, wherein a plurality of reinforcing ribs are arranged on the outer wall of the fixed sleeve, two ends of the fixed sleeve are respectively fixed with the fixed disc, a plurality of first fixed holes are formed in the fixed disc, through holes which are matched with a fixed sleeve shaft are formed in the two fixed discs, the inner diameter of each through hole is smaller than that of the fixed sleeve, two movable rings are arranged in the fixed sleeve and connected with the adjacent fixed discs through springs, the sliding sleeve is clamped between the two movable rings, trapezoidal threads are arranged on the inner wall of the sliding sleeve, the inner diameter of the sliding sleeve is smaller than that of the through holes, the inner diameter of the sliding sleeve is smaller than that of the movable rings, a plurality of guide grooves which are axially parallel to the fixed sleeve are formed in the inner wall of the fixed sleeve, and a plurality of guide strips which are matched with the guide grooves are formed in the outer wall of the sliding sleeve.
Preferably, the reinforcing rib and the fixed sleeve are of an integrated structure, the length direction of the reinforcing rib is parallel to the axis of the fixed sleeve, and two ends of the reinforcing rib are respectively connected with the two fixed discs.
Preferably, the reinforcing rib is provided with a plurality of oil filling holes which penetrate through the side wall of the fixing sleeve and are communicated with the inside of the fixing sleeve, and countersunk studs are screwed in the oil filling holes.
Preferably, the oil outlet of the oil filling hole is positioned between the two movable rings, and the oil outlet of the oil filling hole is positioned at the bottom of the guide groove.
Preferably, a plurality of second fixing holes are formed in the reinforcing ribs.
Preferably, clearance fit is adopted between the movable ring and the fixed cylinder, and the inner diameter of the movable ring is equal to that of the through hole.
Preferably, the fixed disk is connected with the fixed sleeve through a screw or a bolt.
Preferably, the number of the reinforcing ribs is 3-8, and the reinforcing ribs are uniformly distributed on the outer wall of the fixing sleeve.
The invention has the beneficial effects that: according to the invention, the sliding sleeve, the guide groove, the guide strip and the movable ring are matched, so that axial force applied to the screw rod matched with the trapezoidal nut during reversing can be buffered through the spring, and the screw rod is effectively protected; the setting of strengthening rib makes trapezoidal nut have higher intensity, and the setting of first fixed orifices and second fixed orifices makes trapezoidal nut easily link to each other and fixed firm with other subassemblies.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a front view of a high strength, robust trapezoidal nut of the present invention.
In the figure: 1-a fixed sleeve, 2-a fixed disc, 3-a sliding sleeve, 4-a reinforcing rib, 10-a guide groove, 15-a movable ring, 20-a through hole, 21-a first fixed hole, 30-a guide strip, 41-a second fixed hole, 45-an oil filling hole and 46-a countersunk stud.
[ detailed description ] embodiments
Referring to fig. 1, the high-strength firm trapezoidal nut of the invention comprises a fixed disc 2, a fixed sleeve 1, a sliding sleeve 3, guide grooves 10, guide strips 30 and movable rings 15, wherein the outer wall of the fixed sleeve 1 is provided with a plurality of reinforcing ribs 4, two ends of the fixed sleeve 1 are respectively fixed with a fixed disc 2, the fixed disc 2 is provided with a plurality of first fixed holes 21, the two fixed discs 2 are respectively provided with a through hole 20 which is coaxial with the fixed sleeve 1, the inner diameter of the through hole 20 is smaller than that of the fixed sleeve 1, the fixed sleeve 1 is internally provided with two movable rings 15, the movable rings 15 are connected with the adjacent fixed discs 2 through springs, a sliding sleeve 3 is clamped between the two movable rings 15, the inner wall of the sliding sleeve 3 is provided with trapezoidal threads, the inner diameter of the sliding sleeve 3 is smaller than that of the through hole 20, the inner diameter of the sliding sleeve 3 is smaller than that of the movable rings 15, the inner wall of the fixed sleeve 1 is provided with a plurality of guide grooves 10 which are axially parallel to the fixed sleeve 1, the outer wall of the sliding sleeve 3 is provided with a plurality of guide strips 30 matched with the guide grooves 10, the reinforcing rib 4 and the fixed sleeve 1 are of an integral structure, the length direction of the reinforcing rib 4 is parallel to the axis of the fixed sleeve 1, two ends of the reinforcing rib 4 are respectively connected with the two fixed disks 2, the reinforcing rib 4 is provided with a plurality of oil filling holes 45 which penetrate through the side wall of the fixed sleeve 1 and are communicated with the inside of the fixed sleeve 1, countersunk studs 46 are screwed in the oil filling holes 45, the oil outlet of the oil filling holes 45 is positioned between the two movable rings 15, the oil outlet of the oil filling holes 45 is positioned at the bottom of the guide grooves 10, the reinforcing rib 4 is provided with a plurality of second fixed holes 41, the movable rings 15 are in clearance fit with the fixed cylinder, the inner diameter of the movable rings 15 is equal to the inner diameter of the through holes 20, and the fixed disks 2 are connected with the fixed sleeve 1 through screws or bolts, the number of the reinforcing ribs 4 is 3-8, and the reinforcing ribs 4 are uniformly distributed on the outer wall of the fixed sleeve 1.
The working process of the invention is as follows:
in the working process of the high-strength firm trapezoidal nut, the sliding sleeve 3, the guide groove 10, the guide strip 30 and the movable ring 15 are matched, so that axial force borne by a lead screw when the lead screw matched with the trapezoidal nut is reversed can be buffered through the spring 16, and the lead screw is effectively protected; the trapezoidal nut has high strength due to the arrangement of the reinforcing ribs 4, and the trapezoidal nut is easily connected with other components and is firmly fixed due to the arrangement of the first fixing holes 21 and the second fixing holes 41.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (1)
1. The utility model provides a trapezoidal nut of high strength firm type which characterized in that: including fixed disk (2), fixed cover (1), slip cover (3), guide way (10), guide strip (30), activity ring (15), be equipped with a plurality of strengthening ribs (4) on fixed cover (1) outer wall, the both ends of fixed cover (1) are fixed with a fixed disk (2) respectively, be equipped with the first fixed orifices of a plurality of (21) on fixed disk (2), all be equipped with one on two fixed disks (2) with through-hole (20) of fixed cover (1) bobbin, the internal diameter of through-hole (20) is less than the internal diameter of fixed cover (1), be equipped with two activity rings (15) in fixed cover (1), activity ring (15) and adjacent fixed disk (2) pass through spring coupling, accompany one slip cover (3) between two activity rings (15), be equipped with trapezoidal screw on slip cover (3) inner wall, the internal diameter of slip cover (3) is less than the internal diameter of through-hole (20), the internal diameter of slip cover (3) is less than the internal diameter of activity ring (15), be equipped with a plurality of strips and fixed cover (1) axial direction parallel's guide way (10) on fixed cover (1) inner wall (1), be equipped with a plurality of strengthening rib and fixed cover (1) lateral wall (30) and guide way (10) that the inside guide way (1) is linked together The oil-saving type oil-gas separator is characterized in that a countersunk stud (46) is screwed in the oil filling hole (45), the oil outlet of the oil filling hole (45) is located between two movable rings (15), the oil outlet of the oil filling hole (45) is located at the bottom of a guide groove (10), the reinforcing rib (4) and the fixed sleeve (1) are of an integrated structure, the length direction of the reinforcing rib (4) is parallel to the axis of the fixed sleeve (1), the two ends of the reinforcing rib (4) are respectively connected with two fixed disks (2), a plurality of second fixed holes (41) are formed in the reinforcing rib (4), the movable rings (15) and the fixed sleeve are in clearance fit, the inner diameter of each movable ring (15) is equal to that of each through hole (20), the fixed disks (2) and the fixed sleeve (1) are connected through screws or bolts, the reinforcing ribs (4) are 3-8, and the reinforcing ribs (4) are uniformly distributed on the outer wall of the fixed sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910619436.1A CN110259905B (en) | 2019-07-10 | 2019-07-10 | Trapezoidal nut of high strength firm type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910619436.1A CN110259905B (en) | 2019-07-10 | 2019-07-10 | Trapezoidal nut of high strength firm type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110259905A CN110259905A (en) | 2019-09-20 |
| CN110259905B true CN110259905B (en) | 2023-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910619436.1A Active CN110259905B (en) | 2019-07-10 | 2019-07-10 | Trapezoidal nut of high strength firm type |
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| Country | Link |
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| CN (1) | CN110259905B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706668A (en) * | 2020-06-22 | 2020-09-25 | 海盐宏茂五金制品有限公司 | Trapezoidal nut of high strength firm type convenient to oiling |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2909171A1 (en) * | 1979-03-08 | 1980-09-11 | Nussbaum Kg O | LIFTING DEVICE, IN PARTICULAR LIFT |
| CN201720726U (en) * | 2010-07-22 | 2011-01-26 | 富阳孙氏机床有限公司 | Screw rod nut mechanism for lathe |
| CN102367861A (en) * | 2010-11-24 | 2012-03-07 | 山东博特精工股份有限公司 | Large and heavy type elevator-shaped nut with wedge-shaped lubricating oil cavity |
| CN202084760U (en) * | 2011-06-28 | 2011-12-21 | 上海航天科工电器研究院有限公司 | Riveting nut for float power connector |
| CN203641155U (en) * | 2013-11-12 | 2014-06-11 | 四川威卡自控仪表有限公司 | Sealing and lubricating structure of cylinder and cylinder |
| CN204477227U (en) * | 2015-03-18 | 2015-07-15 | 中国矿业大学 | Based on the folding control mechanism of half-nut |
| CN205715194U (en) * | 2016-05-09 | 2016-11-23 | 台州远拓机械制造有限公司 | A kind of novel high-strength nut |
| CN206727788U (en) * | 2017-05-24 | 2017-12-08 | 雷勃电气（无锡）有限公司 | A kind of raising micro-machine degree of protection simultaneously meets the end cap of bearing lubrication |
| CN207064438U (en) * | 2017-06-02 | 2018-03-02 | 北京康斯特仪表科技股份有限公司 | Nut overcoat |
| CN207161652U (en) * | 2017-09-06 | 2018-03-30 | 浙江辛子精工机械股份有限公司 | Deceleration vibration damping Combined Loading device |
| CN207268254U (en) * | 2017-09-12 | 2018-04-24 | 台州金泰精锻科技股份有限公司 | A kind of high strength nut |
| CN207660282U (en) * | 2017-12-23 | 2018-07-27 | 惠州正高金属制品有限公司 | K plate fastening structures |
| CN207728551U (en) * | 2017-12-29 | 2018-08-14 | 仙居东方液压机械有限公司 | Antiwear plunger pump shell |
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2019
- 2019-07-10 CN CN201910619436.1A patent/CN110259905B/en active Active
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| CN110259905A (en) | 2019-09-20 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 314300 No.111 Qingfeng section of luoxu highway, Qinshan street, Haiyan County, Jiaxing City, Zhejiang Province Applicant after: Jiaxing Jiansheng Hardware Technology Co.,Ltd. Address before: 314300 Qingfeng community, Qinshan street, Haiyan County, Jiaxing City, Zhejiang Province Applicant before: HAIYAN JIANSHENG HARDWARE PRODUCTS Co.,Ltd. |
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