CN220302657U - Ball screw with adjustable gap - Google Patents
Ball screw with adjustable gap Download PDFInfo
- Publication number
- CN220302657U CN220302657U CN202321822525.4U CN202321822525U CN220302657U CN 220302657 U CN220302657 U CN 220302657U CN 202321822525 U CN202321822525 U CN 202321822525U CN 220302657 U CN220302657 U CN 220302657U
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- rod
- installation
- mounting
- screw
- ball screw
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- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 50
- 230000004308 accommodation Effects 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a ball screw with an adjustable gap, which comprises a screw, wherein a first screw cap is sleeved on the outer side of the screw, a gasket is arranged on the outer side of the screw and positioned on the left side of the first screw cap, a second screw cap is arranged on the outer side of the screw and positioned on the left side of the gasket, a first mounting block is fixedly mounted on the top and the bottom of the second screw cap, and a mounting cavity is formed in the second screw cap. According to the utility model, the first screw cap, the gasket and the second screw cap are connected through the arrangement of the threaded rod, the threaded rod is driven to rotate through the first mounting rod, so that the connection among the first screw cap, the gasket and the second screw cap is increased, the first mounting rod is driven to rotate through the second mounting block and the second mounting rod, the threaded rod is regulated, and meanwhile, the problems that the structure is complex, the processing is complicated and the manufacturing cost is high due to the fact that the worm wheel and worm transmission pair is formed by the excircle of the regulating nut and the worm are solved.
Description
Technical Field
The utility model relates to the technical field of ball screws, in particular to a ball screw with an adjustable gap.
Background
The ball screw is an ideal product for converting rotary motion into linear motion or converting linear motion into rotary motion, is a transmission element most commonly used on tool machinery 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.
In order to solve the problem, some improvements are made, for example, patent number 201220411637.6 discloses a side gap adjusting device for a screw transmission pair, which comprises a fixing nut and an adjusting nut which are arranged in a carriage and form a pair of screw transmission pairs with a trapezoidal screw, wherein the fixing nut is fixed on the carriage through a taper pin, the excircle of the adjusting nut and a worm form a worm gear and worm transmission pair, one end of the worm is connected with a positioning sleeve, two end surfaces of the positioning sleeve respectively form clearance fit with the end surface of a plate hole and a compression end cover, the compression end cover is fixed on the carriage through a screw, and a protective cover is fixed on the compression end cover through threads to play a protective role.
Disclosure of Invention
The utility model aims to provide a ball screw with adjustable clearance, which has the advantage of convenient adjustment, and solves the problems that the structure is complex, the processing is complicated and the manufacturing cost is high because the excircle of an adjusting nut and a worm form a worm and gear transmission pair.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a clearance adjustable ball screw, includes the screw rod, the outside cover of screw rod is equipped with first nut, the outside of screw rod just is located the left side of first nut and is provided with the gasket, the outside of screw rod just is located the left side of gasket and is provided with the second nut, the equal fixed mounting in top and the bottom of second nut has first installation piece, the installation cavity has been seted up to the inside of second nut, the inside in installation cavity is connected with the threaded rod through first bearing rotation, the inside in installation cavity is connected with first installation pole through second bearing rotation, one side of first installation pole is provided with the second installation pole, one side of second installation pole runs through to the inside of first installation piece and fixed mounting has the second installation piece, the inside of first installation piece is provided with the kelly, the kelly runs through to the inside of second installation piece.
Preferably, the threaded rod and the first mounting rod are fixedly mounted with a bevel gear on the side relatively close to each other, and the threaded rod and the first mounting rod are in transmission connection through the bevel gear.
Preferably, the first accommodation cavity is formed in the first installation rod, the second installation rod penetrates to the first installation rod through the first accommodation cavity, and the second spring is fixedly installed in the second installation rod and located in the first accommodation cavity.
Preferably, the inside of first installation pole just is located the both sides of first holding chamber and has all been seted up the spacing groove, the inside sliding connection of spacing groove has the gag lever post, one side that the gag lever post is relatively close to and second installation pole fixed connection.
Preferably, the second accommodation cavity is formed in the first installation block, and the clamping rod is installed in the first installation block through the second accommodation cavity.
Preferably, a through groove is formed in the first mounting block and located at one side of the second accommodating cavity, a pulling rod is arranged in the through groove, and one side of the pulling rod is fixedly connected with the clamping rod.
Preferably, a sliding groove is formed in the first mounting block and located at one side of the second accommodating cavity, a sliding block is connected to the sliding groove in a sliding mode, one side of the sliding block is fixedly connected with the clamping rod, and a first spring is fixedly mounted on one side of the sliding block and located in the sliding groove.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the first screw cap, the gasket and the second screw cap are connected through the arrangement of the threaded rod, the threaded rod is driven to rotate through the first mounting rod, so that the connection among the first screw cap, the gasket and the second screw cap is increased, the first mounting rod is driven to rotate through the second mounting block and the second mounting rod, the threaded rod is regulated, and meanwhile, the problems that the structure is complex, the processing is complicated and the manufacturing cost is high due to the fact that the worm wheel and worm transmission pair is formed by the excircle of the regulating nut and the worm are solved.
2. According to the utility model, the transmission connection between the first mounting rod and the threaded rod is realized through the cooperation between the bevel gears, the second mounting rod is accommodated through the arrangement of the first accommodating cavity, the second mounting rod is pushed out of the first mounting rod through the arrangement of the second spring, so that the second mounting rod extends out of the first mounting block to facilitate the adjustment of the second mounting rod and the second mounting block, the second mounting rod is limited through the cooperation between the limiting groove and the limiting rod, the stability of the second mounting rod is increased, the clamping rod is mounted through the arrangement of the second accommodating cavity, the clamping rod is pulled to move through the pulling rod, so that the clamping rod is separated from the inside of the second mounting block, the second mounting rod and the second mounting block extend out of the first mounting block to facilitate the adjustment, and the clamping rod is extruded into the inside of the second mounting block through the cooperation among the sliding block, the sliding groove and the first spring, so that the fixing of the second mounting block is realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an enlarged view of a portion of the utility model at A in FIG. 2;
fig. 4 is a schematic cross-sectional view of a first mounting bar of the present utility model.
In the figure: 1. a screw; 2. a first nut; 3. a gasket; 4. a first mounting block; 5. a second nut; 6. a mounting cavity; 7. a first mounting bar; 8. a second mounting bar; 9. a second mounting block; 10. a threaded rod; 11. a limit groove; 12. a slide block; 13. pulling the rod; 14. a through groove; 15. a clamping rod; 16. a chute; 17. a first spring; 18. a second spring; 19. a limit rod; 20. a first accommodation chamber; 21. and a second accommodation chamber.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present patent and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present patent. In the description herein, it should be noted that the terms "mounted," "connected," "coupled," and "disposed" are to be construed broadly, as they may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example, unless otherwise specifically indicated and defined. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Referring to fig. 1-4, a ball screw with adjustable clearance comprises a screw 1, a first screw cap 2 is sleeved outside the screw 1, a gasket 3 is arranged on the left side of the first screw cap 2 outside the screw 1, a second screw cap 5 is arranged on the left side of the gasket 3 outside the screw 1, a first mounting block 4 is fixedly arranged at the top and the bottom of the second screw cap 5, a mounting cavity 6 is formed inside the second screw cap 5, a threaded rod 10 is rotatably connected with the inside of the mounting cavity 6 through a first bearing, a first mounting rod 7 is rotatably connected with the inside of the mounting cavity 6 through a second bearing, one side of the first mounting rod 7 is provided with a second mounting rod 8, one side of the second mounting rod 8 penetrates into the inside of the first mounting block 4 and is fixedly provided with a second mounting block 9, a clamping rod 15 penetrates into the inside of the second mounting block 9, connection between the first screw cap 2, the gasket 3 and the second screw cap 5 is realized through the arrangement of the threaded rod 10, a first mounting rod 7 drives a threaded rod 10 through the first mounting rod 7, thereby the first conical rod 7 is increased, the first conical rod 7 is connected with the second conical rod 7 is rotatably connected with the first mounting rod 7 through the first mounting rod 7, the conical rod 7 is connected with the second conical rod 7 through the threaded rod 7, the conical rod 20 is connected with the first mounting rod 7, the conical rod 20 is connected with the conical rod is arranged between the first conical rod 7 and the first mounting rod 7, the conical rod is connected with the conical rod 20, the second spring 18 is fixedly arranged in the second installation rod 8 and positioned in the first accommodation cavity 20, the second installation rod 8 is accommodated through the arrangement of the first accommodation cavity 20, the second installation rod 8 is pushed out from the first installation rod 7 through the arrangement of the second spring 18, so that the second installation rod 8 stretches out of the first installation block 4 to facilitate the adjustment of the second installation rod 8 and the second installation block 9, the limiting grooves 11 are respectively arranged in the first installation rod 7 and positioned on two sides of the first accommodation cavity 20, the limiting rods 19 are connected in a sliding manner in the limiting grooves 11, one side, relatively close to the limiting rods 19, is fixedly connected with the second installation rod 8, the second installation rod 8 is limited through the cooperation between the limiting grooves 11 and the limiting rods 19, the stability of the second installation rod 8 is increased, the second accommodation cavity 21 is arranged in the first installation block 4, the clamping rod 15 is mounted in the first mounting block 4 through the second accommodating cavity 21, the clamping rod 15 is mounted through the arrangement of the second accommodating cavity 21, the through groove 14 is formed in the first mounting block 4 and located at one side of the second accommodating cavity 21, the pulling rod 13 is arranged in the through groove 14, one side of the pulling rod 13 is fixedly connected with the clamping rod 15, the clamping rod 15 is pulled to move through the pulling rod 13 so as to separate the clamping rod 15 from the second mounting block 9, the second mounting rod 8 and the second mounting block 9 extend out of the first mounting block 4 to be convenient to adjust, the sliding groove 16 is formed in the first mounting block 4 and located at one side of the second accommodating cavity 21, the sliding block 12 is connected in a sliding manner in the sliding groove 16, one side of the sliding block 12 is fixedly connected with the clamping rod 15, the first spring 17 is fixedly mounted in the sliding groove 16 and located at one side of the sliding block 12 and through the sliding block 12, the cooperation between the chute 16 and the first spring 17 presses the clamping rod 15 into the second mounting block 9, so that the second mounting block 9 is fixed.
When the nut clamping device is used, the first nut 2, the gasket 3 and the second nut 5 are sleeved on the outer side of the screw 1, the pulling rod 13 is pulled to the left side, the clamping rod 15 is separated from the inner side of the second mounting block 9, the second mounting rod 8 and the second mounting block 9 are pushed out under the action of the second spring 18, the threaded rod 10 is driven to rotate under the action of the bevel gear by rotating the second mounting rod 8 and the second mounting block 9, the threaded rod 10 penetrates into the inner side of the first nut 2 under the action of the threads, the first nut 2 is pulled to the left side, and the sealing reduction gap among the first nut 2, the gasket 3 and the second nut 5 is realized.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a clearance adjustable ball screw, includes screw rod (1), its characterized in that: the outside cover of screw rod (1) is equipped with first nut (2), the outside of screw rod (1) just is located the left side of first nut (2) and is provided with gasket (3), the outside of screw rod (1) just is located the left side of gasket (3) and is provided with second nut (5), the top and the equal fixed mounting of bottom of second nut (5) have first installation piece (4), install chamber (6) have been seted up to the inside of second nut (5), the inside of install chamber (6) is connected with threaded rod (10) through first bearing rotation, the inside of install chamber (6) is connected with first installation pole (7) through the second bearing rotation, one side of first installation pole (7) is provided with second installation pole (8), one side of second installation pole (8) runs through to the inside of first installation piece (4) and fixed mounting has second installation piece (9), the inside of first installation piece (4) is provided with card pole (15), card pole (15) run through to the inside installation piece (9).
2. The adjustable clearance ball screw of claim 1, wherein: the threaded rod (10) and the first installation rod (7) are fixedly installed with conical gears on the sides relatively close to each other, and the threaded rod (10) and the first installation rod (7) are in transmission connection through the conical gears.
3. The adjustable clearance ball screw of claim 1, wherein: the first installation pole (7) is inside to be seted up and is held chamber (20), second installation pole (8) are held chamber (20) through first and are run through to the inside of first installation pole (7), the inside of second installation pole (8) just is located the inside fixed mounting who holds chamber (20) and has second spring (18).
4. A ball screw with adjustable clearance as claimed in claim 3, wherein: limiting grooves (11) are formed in the first mounting rod (7) and located on two sides of the first accommodating cavity (20), limiting rods (19) are connected to the limiting grooves (11) in a sliding mode, and one side, close to the limiting rods (19), of each limiting rod is fixedly connected with the second mounting rod (8).
5. The adjustable clearance ball screw of claim 1, wherein: the second accommodating cavity (21) is formed in the first mounting block (4), and the clamping rod (15) is mounted to the inside of the first mounting block (4) through the second accommodating cavity (21).
6. The adjustable clearance ball screw of claim 5, wherein: the inside of first installation piece (4) just is located one side of second accommodation chamber (21) and has been seted up logical groove (14), the inside of logical groove (14) is provided with pulling rod (13), one side and clamping rod (15) fixed connection of pulling rod (13).
7. The adjustable clearance ball screw of claim 5, wherein: the inside of first installation piece (4) and be located one side of second accommodation chamber (21) and seted up spout (16), the inside sliding connection of spout (16) has slider (12), one side and clamping rod (15) fixed connection of slider (12), one side of slider (12) and be located the inside fixed mounting of spout (16) have first spring (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321822525.4U CN220302657U (en) | 2023-07-12 | 2023-07-12 | Ball screw with adjustable gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321822525.4U CN220302657U (en) | 2023-07-12 | 2023-07-12 | Ball screw with adjustable gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220302657U true CN220302657U (en) | 2024-01-05 |
Family
ID=89351899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321822525.4U Active CN220302657U (en) | 2023-07-12 | 2023-07-12 | Ball screw with adjustable gap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220302657U (en) |
-
2023
- 2023-07-12 CN CN202321822525.4U patent/CN220302657U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |