CN113217592B - Adjustable screw nut for screw rod - Google Patents

Adjustable screw nut for screw rod Download PDF

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Publication number
CN113217592B
CN113217592B CN202110600057.5A CN202110600057A CN113217592B CN 113217592 B CN113217592 B CN 113217592B CN 202110600057 A CN202110600057 A CN 202110600057A CN 113217592 B CN113217592 B CN 113217592B
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CN
China
Prior art keywords
lead screw
adjustable
upper cover
nut
lower cover
Prior art date
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Active
Application number
CN202110600057.5A
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Chinese (zh)
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CN113217592A (en
Inventor
吴灵锋
陈立群
季双艺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Wuling Bearing Manufacturing Co ltd
Original Assignee
Zhejiang Wuling Bearing Manufacturing Co ltd
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Publication date
Application filed by Zhejiang Wuling Bearing Manufacturing Co ltd filed Critical Zhejiang Wuling Bearing Manufacturing Co ltd
Priority to CN202110600057.5A priority Critical patent/CN113217592B/en
Publication of CN113217592A publication Critical patent/CN113217592A/en
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Publication of CN113217592B publication Critical patent/CN113217592B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H25/00Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20Screw mechanisms
    • F16H25/22Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
    • F16H25/2204Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/04Features relating to lubrication or cooling or heating
    • F16H57/048Type of gearings to be lubricated, cooled or heated
    • F16H57/0497Screw mechanisms
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses an adjustable screw rod nut for a screw rod in the field of screw rods, which comprises a lower cover, an upper cover, a fixed disc, a lantern ring and an adjustable screw rod, wherein the lower cover and the upper cover are sleeved on the adjustable screw rod, chucks are fixedly arranged on the left sides of the lower cover and the upper cover, clamping grooves are formed in the left sides of the fixed disc, the two chucks are clamped in the clamping grooves, the right sides of the lower cover and the upper cover extend out of the fixed disc, and second threaded holes are formed in the two chucks, so that the adjustable screw rod nut has the beneficial effects that: this kind of screw-nut convenient to use splits screw-nut through above-mentioned connected mode can be quick to change or the work of filling lubricating oil to inside ball, avoided the problem of traditional integral type screw-nut not being good to change ball and filling lubricating oil, peg graft the cotter way simultaneously in, the second bolt extends to the fixed disk in, make the surplus fixed disk of chuck form dual connection between, further improved this kind of screw-nut's wholeness.

Description

Adjustable screw nut for screw rod
Technical Field
The invention relates to the field of screw rods, in particular to an adjustable screw rod nut for a screw rod.
Background
Ball screws are an ideal product for converting rotary motion to linear motion, or vice versa. The choice of high quality ball screw is considered to be expensive and professional quality assurance, because of the profession, excellent-! The ball screw consists of a screw rod, a nut, a steel ball, a pre-pressing sheet, a reverser and a dust remover. Its function is to convert rotary motion into linear motion, which is a further extension and development of the Ai Kem screw, the important meaning of which is to change the bearing from sliding motion to rolling motion. Ball screws are widely used in various industrial equipment and precision instruments due to their small frictional resistance. The ball screw is the most commonly used transmission element on machine tools and precision machinery, and has the main functions of converting rotary motion into linear motion or converting torque into axial repeated acting force, and has the characteristics of high precision, reversibility and high efficiency.
Most of the existing screw nuts are integrated and cannot be detached, so that the balls inside the screw nuts are not easy to detach, and meanwhile lubricating oil is also troublesome to fill, so that a person skilled in the art provides an adjustable screw nut for a screw rod to solve the problem in the background art.
Disclosure of Invention
The invention aims to provide an adjustable screw-nut for a screw rod, which solves the problems that most of the screw-nuts in the prior art are integrated and cannot be disassembled, so that internal balls are not easy to disassemble, and lubricating oil is troublesome to fill.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an adjustable lead screw nut for lead screw, includes lower cover, upper cover, fixed disk, lantern ring and adjustable lead screw, lower cover and upper cover all cup joint on adjustable lead screw, the equal fixed mounting in left side of lower cover and upper cover has the chuck, the left side of fixed disk is provided with the draw-in groove, two the equal joint of chuck is in the draw-in groove, just outside the fixed disk is all extended on the right side of lower cover and upper cover, two all be provided with the second screw hole in the chuck, and two equal threaded connection of second screw hole has the second bolt, two be located one side that the second screw hole kept away from adjustable lead screw in the chuck all is provided with the mounting groove, and two equal sliding connection has the slide in the mounting groove, two equal fixed mounting in one side has the guide arm that the slide is close to each other, two equal fixed mounting in one side has the pin rod, two the pin rod is kept away from each other one side and is all extended to the chuck outside, two corresponding in the draw-in groove the pin rod all is provided with the second screw hole, just two the equal top is provided with the first bolt in the first side of connecting head, two equal top and two sets up the first side of connecting head and two, two top and two are all provided with the first screw hole, the equal top is all connected with the first screw hole.
As a further scheme of the invention: the ball grooves are formed in the lower cover and the upper cover, balls are connected in the ball grooves in a rolling mode, a plurality of balls are arranged, one side, close to the adjustable screw rod, of each ball is connected with the adjustable screw rod in a rolling mode, and the ball is arranged to enable the screw rod nut to slide, so that the sliding resistance is smaller, and the mechanical efficiency is further improved.
As a further scheme of the invention: the right sides of two the second threaded holes all extend into the fixed disk, and the length of the second bolt corresponds to the length of the second threaded hole, so that the right side of the second bolt can extend into the fixed disk through the design, secondary fixation is formed, and the overall connectivity of the screw-nut assembly is further improved.
As a further scheme of the invention: two one sides of the guide rods, far away from the sliding plate, are all provided with inclined planes, and the guide rods can be propped into the mounting grooves when the second bolts extend into the second threaded holes through the design, so that the pin rods are inserted into the pin grooves to be locked.
As a further scheme of the invention: the lower cover and the upper cover are mutually far away from one side and fixedly provided with connecting plates, and mounting holes are formed in the two connecting plates, so that the screw rod nut is conveniently connected with other equipment through the connecting plates and the mounting holes, and transmission work is carried out.
As a further scheme of the invention: the left side of adjustable lead screw fixed mounting has the limiting plate, can be spacing to the fixed plate formation through the limiting plate, is favorable to the use of this kind of lead screw nut.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, when the screw nut is used, the nut is firstly taken down from the adjustable screw rod, then the first bolt is removed from the first threaded hole by using an external tool, the lantern ring is pulled rightwards, the residual connector of the lantern ring is separated, then the second bolt is removed from the second threaded hole by using the external tool, at the moment, the guide rod is out of limit, the spring drives the sliding plate to return, so that the separation and shrinkage between the pin rod and the pin groove are realized in the mounting groove, the guide rod extends into the second threaded hole, finally, the fixing disc is kept fixed, the connector is pushed leftwards, the chuck is separated from the clamping groove, the fixing disc is removed, the upper cover and the lower cover can be separated, the balls are replaced or filled with lubricating oil, the screw nut can be assembled by adopting the mode, the screw nut is convenient to use, the problem that the balls in the interior of the screw nut are not easy to replace or be filled with lubricating oil is solved by adopting the connecting mode, meanwhile, the second bolt extends into the fixing disc through the pin groove, the double connecting disc is further improved, and the whole connection performance of the screw nut is further improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged view of FIG. 1A in accordance with the present invention;
fig. 4 is an enlarged view of B of fig. 1 in accordance with the present invention.
In the figure: 1. a lower cover; 2. an upper cover; 3. a chuck; 4. a connector; 5. a clamping groove; 6. a fixed plate; 7. a limiting plate; 8. an adjustable screw rod; 9. a first bolt; 10. a first threaded hole; 11. a second bolt; 12. a second threaded hole; 13. a pin slot; 14. a pin rod; 15. a spring; 16. a slide plate; 17. a guide rod; 18. a ball groove; 19. a mounting groove; 20. a ball; 21. a collar.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, in the embodiment of the invention, an adjustable screw nut for a screw rod comprises a lower cover 1, an upper cover 2, a fixed disk 6, a lantern ring 21 and an adjustable screw rod 8, wherein the lower cover 1 and the upper cover 2 are sleeved on the adjustable screw rod 8, chucks 3 are fixedly installed on the left sides of the lower cover 1 and the upper cover 2, a clamping groove 5 is formed in the left side of the fixed disk 6, two chucks 3 are clamped in the clamping groove 5, the right sides of the lower cover 1 and the upper cover 2 extend out of the fixed disk 6, second threaded holes 12 are formed in the two chucks 3, two threaded holes 12 are connected with a second bolt 11 in a threaded manner, one side, far from the adjustable screw rod 8, of the two chucks 3 is provided with a mounting groove 19, two mounting grooves 16 are connected in a sliding manner, two sliding plates 16 are fixedly installed on one side, near each other, of the two guide rods 17 extends into the second threaded hole 12, two chucks 16 are fixedly installed on one side, pin rods 14 are installed on one side, two corresponding to the two sides, two bolts 14 are installed on the two sides, two heads 14 are installed on the two sides, far from the two heads 14 are installed on the two sides, corresponding to the two heads 9 are installed on the two sides, which are installed on the two sides, the two heads 9 are installed on the two sides, which are installed on the two heads 9, and the two heads are installed on the two heads, and the corresponding to the two heads 9, and the two heads are respectively, 9 are installed on the two heads and 9, and the two heads are fixedly connected with the top, and 9.
Wherein, all be provided with ball groove 18 in lower cover 1 and the upper cover 2, and roll connection has ball 20 in the ball groove 18, and ball 20 is provided with a plurality ofly, and one side that a plurality of balls 20 are close to adjustable lead screw 8 all with adjustable lead screw 8 between roll connection, can make this kind of lead screw nut slide the resistance littleer through being provided with ball 20, further improves mechanical efficiency.
Wherein, the right side of two second screw holes 12 all extends to in the fixed disk 6, and the length of second bolt 11 corresponds the setting with the length in the second screw hole 12, makes the right side of second bolt 11 extend to in the fixed disk 6 through this kind of design to form the secondary fixed, further improve the bulk connectivity after this kind of screw-nut equipment.
The two guide rods 17 are inclined at the side far away from the sliding plate 16, and the guide rods 17 can be pressed into the mounting grooves 19 when the second bolt 11 extends into the second threaded hole 12 through the design, so that the pin rod 14 is inserted into the pin groove 13 to be locked.
Wherein, the equal fixed mounting in one side that keeps away from each other of lower cover 1 and upper cover 2 has the connecting plate, and all is provided with the mounting hole on two connecting plates, is convenient for be connected this kind of screw-nut with other equipment through connecting plate and mounting hole to carry out the transmission work.
Wherein, adjustable lead screw 8's left side fixed mounting has limiting plate 7, can form spacingly to fixed disk 6 through limiting plate 7, is favorable to this kind of lead screw nut's use.
The working principle of the invention is as follows: during the use, take down this kind of nut from adjustable lead screw 8 earlier, then use external instrument to remove first bolt 9 from first screw hole 10, then pull lantern ring 21 rightwards, make the surplus connector 4 separation of lantern ring 21, reuse external instrument to remove second bolt 11 from second screw hole 12, this moment guide arm 17 loses spacing, spring 15 drives slide 16 return, make the separation shrink between pin rod 14 and the cotter way 13 to install in the groove 19, guide arm 17 then extends to in the second screw hole 12, finally keep fixed disk 6 again and keep fixed, promote connector 4 leftwards, make chuck 3 break away from draw-in groove 5, remove fixed disk 6, can separate upper cover 2 and lower cover 1, change ball 20 or annotate lubricating oil, can also assemble this kind of lead screw nut through above-mentioned mode, this kind of lead screw nut convenient to use, can be quick through above-mentioned connected mode, thereby carry out the work of split to the ball 20 of inside to the lead screw nut or annotate lubricating oil, the problem that traditional integral type ball nut is poor to change and annotate the ball nut, simultaneously extend to the second through the pin groove 13, the whole connection disk 3 has been formed to the fixed disk 3, the whole connection problem that the internal connection of the lead screw nut is further extends to the fixed disk 6, the inside the whole is formed between the fixed disk is connected through the inner than the pin groove 11.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (6)

1. An adjustable lead screw nut for a lead screw, which is characterized in that: including lower cover (1), upper cover (2), fixed disk (6), lantern ring (21) and adjustable lead screw (8), lower cover (1) and upper cover (2) all cup joint on adjustable lead screw (8), the left side of lower cover (1) and upper cover (2) all is fixed mounting has chuck (3), the left side of fixed disk (6) is provided with draw-in groove (5), two chuck (3) all joint is in draw-in groove (5), just outside fixed disk (6) are all extended on the right side of lower cover (1) and upper cover (2), two all be provided with second screw hole (12) in chuck (3), and two equal threaded connection has second bolt (11) in second screw hole (12), two be located one side that adjustable lead screw (8) was kept away from in chuck (3) all is provided with mounting groove (19), and two equal sliding connection has (16) in mounting groove (19), two slide (16) all extend outside fixed disk (6) are kept away from to two slide (17) each other, two slide (17) are close to each other and are fixed to one side each other and are kept away from two slide (17), two pin bars (14) all extend to outside chuck (3) in one side of keeping away from each other, two pin bars (14) department that corresponds in draw-in groove (5) all is provided with pin groove (13), two spring (15) have all been cup jointed on pin bars (14), two the bottom of spring (15) is equal fixed mounting on slide (16), two the equal fixed mounting in mounting groove (19) top in top of spring (15), equal fixed mounting in the right side of lower cover (1) and upper cover (2) has connector (4), two lantern ring (21) have been cup jointed in the outside of connector (4), just lantern ring (21) internal thread connection has first bolt (9), just first bolt (9) are provided with a plurality ofly, the right side of lower cover (1) and upper cover (2) corresponds a plurality of first bolt (9) department and all is provided with first screw hole (10), a plurality of the right side of first bolt (9) all extends to first screw hole (10).
2. An adjustable lead screw nut for a lead screw as defined in claim 1, wherein: the ball bearing device is characterized in that ball grooves (18) are formed in the lower cover (1) and the upper cover (2), balls (20) are connected in the ball grooves (18) in a rolling mode, a plurality of balls (20) are arranged, and one sides, close to the adjustable screw rods (8), of the balls (20) are connected with the adjustable screw rods (8) in a rolling mode.
3. An adjustable lead screw nut for a lead screw as defined in claim 1, wherein: the right sides of the two second threaded holes (12) extend into the fixed disc (6), and the length of the second bolts (11) is corresponding to the length of the second threaded holes (12).
4. An adjustable lead screw nut for a lead screw as defined in claim 1, wherein: one side of the two guide rods (17) far away from the sliding plate (16) is provided with an inclined plane.
5. An adjustable lead screw nut for a lead screw as defined in claim 1, wherein: the connecting plates are fixedly arranged on one sides, away from each other, of the lower cover (1) and the upper cover (2), and mounting holes are formed in the two connecting plates.
6. An adjustable lead screw nut for a lead screw as defined in claim 1, wherein: the left side of the adjustable screw rod (8) is fixedly provided with a limiting plate (7).
CN202110600057.5A 2021-05-31 2021-05-31 Adjustable screw nut for screw rod Active CN113217592B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110600057.5A CN113217592B (en) 2021-05-31 2021-05-31 Adjustable screw nut for screw rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110600057.5A CN113217592B (en) 2021-05-31 2021-05-31 Adjustable screw nut for screw rod

Publications (2)

Publication Number Publication Date
CN113217592A CN113217592A (en) 2021-08-06
CN113217592B true CN113217592B (en) 2023-12-22

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ID=77082009

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110600057.5A Active CN113217592B (en) 2021-05-31 2021-05-31 Adjustable screw nut for screw rod

Country Status (1)

Country Link
CN (1) CN113217592B (en)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1288439A (en) * 1969-12-19 1972-09-06
GB1293430A (en) * 1970-12-30 1972-10-18 Zeiss Jena Veb Carl Screw and nut mechanism with adjustable axial backlash
JPH06288458A (en) * 1993-03-31 1994-10-11 Tsubakimoto Seiko:Kk Ball screw with removable screw shaft, and reactor control rod driving device utilizing this ball screw
KR20060053271A (en) * 2004-10-15 2006-05-19 두산인프라코어 주식회사 Cooling device of ball screw assembly
DE202017100987U1 (en) * 2017-02-22 2017-03-03 Hiwin Technologies Corp. Ball screw with lubrication device
CN208153654U (en) * 2018-04-10 2018-11-27 台州鑫享源精密机械有限公司 A kind of easy-to-dismount ball-screw
CN208703048U (en) * 2018-06-13 2019-04-05 丽水市浙峰传动机械有限公司 A kind of ball screw
CN211039633U (en) * 2019-10-29 2020-07-17 丽水市英特轴承有限公司 Split type screw nut
KR102157159B1 (en) * 2019-11-26 2020-09-17 (주)한산리니어시스템 Lubrication device for ball screw
CN111779807A (en) * 2020-07-13 2020-10-16 李春城 Ball screw pair
CN212868343U (en) * 2020-09-01 2021-04-02 台宝艾传动科技(昆山)有限公司 Detachable ball screw convenient to lubricate
CN212985949U (en) * 2020-02-21 2021-04-16 惠州学院 Ball screw convenient to installation
CN213064525U (en) * 2020-08-31 2021-04-27 台宝艾传动科技(昆山)有限公司 Ball screw with guide rod convenient to install

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI245858B (en) * 2005-01-20 2005-12-21 Hiwin Tech Corp Ball screw with a changeable oil-storage unit

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1288439A (en) * 1969-12-19 1972-09-06
GB1293430A (en) * 1970-12-30 1972-10-18 Zeiss Jena Veb Carl Screw and nut mechanism with adjustable axial backlash
JPH06288458A (en) * 1993-03-31 1994-10-11 Tsubakimoto Seiko:Kk Ball screw with removable screw shaft, and reactor control rod driving device utilizing this ball screw
KR20060053271A (en) * 2004-10-15 2006-05-19 두산인프라코어 주식회사 Cooling device of ball screw assembly
DE202017100987U1 (en) * 2017-02-22 2017-03-03 Hiwin Technologies Corp. Ball screw with lubrication device
CN208153654U (en) * 2018-04-10 2018-11-27 台州鑫享源精密机械有限公司 A kind of easy-to-dismount ball-screw
CN208703048U (en) * 2018-06-13 2019-04-05 丽水市浙峰传动机械有限公司 A kind of ball screw
CN211039633U (en) * 2019-10-29 2020-07-17 丽水市英特轴承有限公司 Split type screw nut
KR102157159B1 (en) * 2019-11-26 2020-09-17 (주)한산리니어시스템 Lubrication device for ball screw
CN212985949U (en) * 2020-02-21 2021-04-16 惠州学院 Ball screw convenient to installation
CN111779807A (en) * 2020-07-13 2020-10-16 李春城 Ball screw pair
CN213064525U (en) * 2020-08-31 2021-04-27 台宝艾传动科技(昆山)有限公司 Ball screw with guide rod convenient to install
CN212868343U (en) * 2020-09-01 2021-04-02 台宝艾传动科技(昆山)有限公司 Detachable ball screw convenient to lubricate

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