CN211343912U - Adjustable ball screw nut - Google Patents
Adjustable ball screw nut Download PDFInfo
- Publication number
- CN211343912U CN211343912U CN202020040423.7U CN202020040423U CN211343912U CN 211343912 U CN211343912 U CN 211343912U CN 202020040423 U CN202020040423 U CN 202020040423U CN 211343912 U CN211343912 U CN 211343912U
- Authority
- CN
- China
- Prior art keywords
- nut
- wall
- connecting block
- hole
- adjusting
- 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.)
- Active
Links
Images
Abstract
The utility model relates to a ball nut with adjustable, establish at epaxial nut of lead screw including lead screw axle, cover, nut left end outer wall is equipped with the connecting block, the connecting block right side is equipped with the regulating plate, regulating plate left side middle part is equipped with the mounting hole, the mounting hole inner wall offsets with the nut outer wall, regulating plate left end upside is fixed with the spring, the one end and the connecting block right side wall fixed connection that the regulating plate was kept away from to the spring, the regulating plate upper surface is equipped with the through-hole, the nut outer wall is equipped with the adjustment tank with the relative position of through-hole, adjustment tank right side wall is the inclined plane form, be equipped with the carriage release lever along longitudinal movement in the through-hole, be equipped with the regulating block in the adjustment tank, regulating block right side wall is the inclined plane form of mutually supporting with the adjustment tank, regulating block upper surface and carriage release lever lower surface are connected, for prior art, the utility, Stable structure, simplicity and practicality.
Description
Technical Field
The utility model relates to a ball nut, concretely relates to ball nut with adjustable.
Background
At present, in the precise ball screw pair transmission, besides a certain unidirectional feeding precision, the axial clearance is strictly controlled, otherwise, when the screw rotates reversely, a backlash error is generated. Pretightning force adjustment between current ball screw pair nut and the lead screw, some increase steel ball pretension with the vice nut of monofilament thick stick, be as application number: 201120219558.0 discloses a single-nut enlarged steel ball pre-tightening ball screw pair, which is not practical and can not be realized by general users due to the adoption of non-standard steel balls, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a ball nut with adjustable can vice axial clearance of two-way regulation ball, stable in structure, simple and practical.
The technical scheme of the utility model is realized like this: the utility model provides a ball nut with adjustable, includes the screw axle, overlaps the nut of establishing on the screw axle, its characterized in that: the outer wall of the left end of the nut is provided with a connecting block, the connecting block is fixedly connected with the outer wall of the nut, the right side of the connecting block is provided with an adjusting plate, the middle part of the left side of the adjusting plate is provided with a mounting hole which transversely penetrates through the left side surface and the right side surface of the adjusting plate, the inner wall of the mounting hole is abutted against the outer wall of the nut, a spring is fixed on the upper side of the left end of the adjusting plate, one end of the spring, which is far away from the adjusting plate, is fixedly connected with the right side wall of the connecting block, the upper surface of the adjusting plate is provided with a through hole which vertically penetrates through the mounting hole downwards, the outer wall of the nut is provided with an adjusting groove at a position opposite to the through hole, the opening of the adjusting groove faces upwards, the right side wall of the adjusting groove is in an inclined plane shape, a moving rod is arranged in the through hole along the longitudinal movement, the adjusting groove is internally provided with an adjusting block, the right side wall of the adjusting block is in an inclined plane shape matched with the adjusting groove, and the upper surface of the adjusting block is connected with the lower surface of the moving rod.
By adopting the technical scheme, the right side wall of the adjusting groove is an inclined plane, the right side wall of the adjusting block is an inclined plane matched with the adjusting groove, the inclined plane of the right side wall of the adjusting block is abutted against the inclined plane of the right side wall of the adjusting groove, the upper surface of the adjusting block is connected with the lower surface of the movable rod, the movable rod can longitudinally move in the through hole, when the axial gap of the ball screw pair transmission needs to be adjusted, the movable rod moves downwards and drives the adjusting block to move downwards, the right side wall of the adjusting groove is extruded by the right side wall of the adjusting block and drives the nut to move rightwards at the same time so as to adjust the axial gap of the ball screw pair transmission, a spring is arranged between the adjusting plate and the connecting block, the connecting block is fixed on the outer wall of the nut, then the nut drives the connecting block to move rightwards and simultaneously extrude the spring, when the axial, when the adjusting block moves upwards, a gap is formed between the right side wall of the adjusting block and the right side wall of the adjusting groove, the extruded spring is loosened and starts to serve, the spring pushes the connecting block leftwards, the connecting block drives the nut to move leftwards until the right side wall of the adjusting groove abuts against the right side wall of the adjusting block, and the adjustment of the axial gap of the ball screw pair transmission in the opposite direction is realized; compared with the prior art, the utility model discloses can two-way regulation ball screw vice axle clearance, stable in structure, simple and practical.
The utility model discloses further set up to: the outer wall of the moving rod is provided with an external thread, the inner wall of the through hole is provided with an internal thread matched with the external thread, and the lower surface of the moving rod is hinged to the upper surface of the adjusting block.
Through adopting above-mentioned technical scheme, carriage release lever and through-hole threaded connection rotate the carriage release lever towards a direction, and the carriage release lever can move down in the through-hole, with the carriage release lever rotation towards the opposite direction, and the carriage release lever can move up in the through-hole, and stable in structure, easy operation has further guaranteed ball screw pair axial clearance's regulation.
The utility model discloses preferred is: and a hand screwing block for rotating the movable rod is arranged at the upper end of the movable rod.
Through adopting above-mentioned technical scheme, set up the hand and twist the piece in the carriage release lever upper end, grasp the hand with hand and twist the piece and rotate it and just can rotate the carriage release lever, it is very convenient.
The utility model discloses preferred is: the lower side of the left end of the adjusting plate is fixedly connected with the connecting block through a screw.
Through adopting above-mentioned technical scheme, the screw is in the same place regulating plate and connecting block fixed connection, has further promoted the utility model discloses adjusting the structural stability of ball countershaft to the clearance in-process.
The utility model discloses preferred is: and a rubber pad is arranged between the adjusting plate and the connecting block.
Through adopting the technical scheme, the utility model discloses there is relative movement between regulating plate and the connecting block when adjusting the ball countershaft to the clearance, can produce the vibration during removal, set up the rubber pad between regulating plate and connecting block, can play certain shock attenuation effect, further guaranteed the utility model discloses stable in structure adjusting the ball countershaft to the clearance in-process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of a part a of fig. 1.
The labels in the figures are:
1-screw shaft, 2-nut, 3-connecting block, 4-adjusting plate, 5-mounting hole, 6-spring, 7-through hole, 8-adjusting groove, 9-moving rod, 10-adjusting block, 11-hand screwing block, 12-screw and 13-rubber pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model discloses a ball nut with adjustable, establish nut 2 on screw shaft 1 including screw shaft 1, cover the utility model discloses in the embodiment of the utility model: the outer wall of the left end of the nut 2 is provided with a connecting block 3, the connecting block 3 is fixedly connected with the outer wall of the nut 2, the right side of the connecting block 3 is provided with an adjusting plate 4, the middle part of the left side of the adjusting plate 4 is provided with a mounting hole 5, the mounting hole 5 transversely penetrates through the left side surface and the right side surface of the adjusting plate 4, the inner wall of the mounting hole 5 is abutted against the outer wall of the nut 2, the upper side of the left end of the adjusting plate 4 is fixed with a spring 6, one end of the spring 6, which is far away from the adjusting plate 4, is fixedly connected with the right side wall of the connecting block 3, the upper surface of the adjusting plate 4 is provided with a through hole 7, the through hole 7 vertically penetrates through the mounting hole 5 downwards, the position of the outer wall of the nut 2, which is opposite to the through hole 7, is provided with an adjusting groove, the right side wall of the adjusting block 10 is in an inclined plane shape matched with the adjusting groove 8, and the upper surface of the adjusting block 10 is connected with the lower surface of the moving rod 9.
By adopting the technical scheme, the right side wall of the adjusting groove 8 is an inclined surface, the right side wall of the adjusting block 10 is an inclined surface matched with the adjusting groove 8, the inclined surface of the right side wall of the adjusting block 10 is abutted against the inclined surface of the right side wall of the adjusting groove 8, the upper surface of the adjusting block 10 is connected with the lower surface of the movable rod 9, the movable rod 9 can longitudinally move in the through hole 7, when the axial clearance of the ball screw pair transmission needs to be adjusted, the movable rod 9 moves downwards, the movable rod 9 drives the adjusting block 10 to move downwards, the right side wall of the adjusting block 10 extrudes the right side wall of the adjusting groove 8 and simultaneously drives the nut 2 to move rightwards to realize the adjustment of the axial clearance of the ball screw pair transmission, the spring 6 is arranged between the adjusting plate 4 and the connecting block 3, the connecting block 3 is fixed on the outer wall of the nut 2, so that the nut 2 drives the connecting block 3 to move, moving the moving rod 9 upwards, driving the adjusting block 10 to move upwards by the moving rod 9, generating a gap between the right side wall of the adjusting block 10 and the right side wall of the adjusting groove 8 when the adjusting block 10 moves upwards, releasing and starting service of the extruded spring 6, pushing the connecting block 3 leftwards by the spring 6, driving the nut 2 to move leftwards by the connecting block 3 until the right side wall of the adjusting groove 8 abuts against the right side wall of the adjusting block 10 to realize the adjustment of the axial gap of the ball screw pair transmission in the opposite direction; compared with the prior art, the utility model discloses can two-way regulation ball screw vice axle clearance, stable in structure, simple and practical.
In the embodiment of the present invention: be equipped with the external screw thread on the 9 outer walls of carriage release lever, 7 inner walls of through-hole are equipped with the internal thread with external screw thread looks adaptation, carriage release lever 9 lower surface and regulating block 10 upper surface are articulated.
Through adopting above-mentioned technical scheme, carriage release lever 9 and through-hole 7 threaded connection rotate carriage release lever 9 towards a direction, and carriage release lever 9 can move down in through-hole 7, with carriage release lever 9 rotation in the opposite direction, and carriage release lever 9 can upwards move in through-hole 7, and stable in structure, easy operation has further guaranteed ball screw pair axial clearance's regulation.
In the embodiment of the present invention: the upper end of the movable rod 9 is provided with a hand-screwing block 11 for rotating the movable rod 9.
Through adopting above-mentioned technical scheme, set up hand at the carriage release lever 9 upper end and twist piece 11, grasp hand with the hand and twist piece 11 and rotate it and just can rotate carriage release lever 9, it is very convenient.
In the embodiment of the present invention: the lower side of the left end of the adjusting plate 4 is fixedly connected with the connecting block 3 through a screw 12.
Through adopting above-mentioned technical scheme, screw 12 is in the same place regulating plate 4 and connecting block 3 fixed connection, has further promoted the utility model discloses at the structural stability who adjusts ball countershaft to the clearance in-process.
In the embodiment of the present invention: a rubber pad 13 is arranged between the adjusting plate 4 and the connecting block 3.
Through adopting the technical scheme, the utility model discloses there is relative movement between regulating plate 4 and the connecting block 3 when adjusting the ball countershaft to the clearance, can produce the vibration during removal, set up rubber pad 13 between regulating plate 4 and connecting block 3, can play certain shock attenuation effect, further guaranteed the utility model discloses stable in structure adjusting the ball countershaft to the clearance in-process.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a ball nut with adjustable, includes screw shaft (1), overlaps and establishes nut (2) on screw shaft (1), its characterized in that: the nut (2) left end outer wall is provided with a connecting block (3), the connecting block (3) is fixedly connected with the nut (2) outer wall, the adjusting plate (4) is arranged on the right side of the connecting block (3), the mounting hole (5) is arranged in the middle of the left side of the adjusting plate (4), the mounting hole (5) transversely penetrates through the left side and the right side of the adjusting plate (4), the inner wall of the mounting hole (5) is abutted to the outer wall of the nut (2), a spring (6) is fixed on the upper side of the left end of the adjusting plate (4), one end of the spring (6), which is far away from the adjusting plate (4), is fixedly connected with the right side wall of the connecting block (3), the upper surface of the adjusting plate (4) is provided with a through hole (7), the through hole (7) vertically penetrates through the mounting hole (5) downwards, the position of the nut (2) outer wall, which, the utility model discloses a portable electronic device, including adjusting groove (8), through-hole (7) are equipped with carriage release lever (9) along longitudinal movement, adjusting groove (8) right side wall is the inclined plane form, be equipped with regulating block (10) in adjusting groove (8) along longitudinal movement, regulating block (10) right side wall is the inclined plane form of mutually supporting with adjusting groove (8), regulating block (10) upper surface and carriage release lever (9) lower surface are connected.
2. The adjustable ball screw nut of claim 1, wherein: be equipped with the external screw thread on carriage release lever (9) outer wall, through-hole (7) inner wall is equipped with the internal thread with external screw thread looks adaptation, carriage release lever (9) lower surface and regulating block (10) upper surface are articulated.
3. The adjustable ball screw nut as set forth in claim 2, wherein: and a hand screwing block (11) for rotating the moving rod (9) is arranged at the upper end of the moving rod (9).
4. The adjustable ball screw nut of claim 3, wherein: the lower side of the left end of the adjusting plate (4) is fixedly connected with the connecting block (3) through a screw (12).
5. The adjustable ball screw nut of claim 4, wherein: a rubber pad (13) is arranged between the adjusting plate (4) and the connecting block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020040423.7U CN211343912U (en) | 2020-01-09 | 2020-01-09 | Adjustable ball screw nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020040423.7U CN211343912U (en) | 2020-01-09 | 2020-01-09 | Adjustable ball screw nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211343912U true CN211343912U (en) | 2020-08-25 |
Family
ID=72129402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020040423.7U Active CN211343912U (en) | 2020-01-09 | 2020-01-09 | Adjustable ball screw nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211343912U (en) |
-
2020
- 2020-01-09 CN CN202020040423.7U patent/CN211343912U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211343912U (en) | Adjustable ball screw nut | |
| CN113090673B (en) | Motor output shaft runout degree limiting mechanism | |
| CN213930074U (en) | Monitoring device convenient to change monitor | |
| CN218762229U (en) | Auxiliary camera bracket for classroom recording | |
| CN210816899U (en) | Automobile commutator stamping equipment | |
| CN214648771U (en) | High-resolution energy-saving intelligent display instrument for electric bicycle | |
| CN215596332U (en) | Adjustable lead screw assembly | |
| CN210676973U (en) | Automatic feeding lathe for machining screw rod | |
| CN212251871U (en) | House structure measuring instrument | |
| CN218506060U (en) | Novel crank | |
| CN210653424U (en) | Walking mechanism suitable for indoor inspection robot | |
| CN209959007U (en) | Anti-swing pulley for sliding door | |
| CN206145367U (en) | Novel manual regulation every single move device | |
| CN218192734U (en) | Lifting hand wheel structure of bench drill | |
| CN210915225U (en) | Precise anti-backlash spiral elevator | |
| CN213461851U (en) | Mobile communication equipment with adjustable use angle | |
| CN219204683U (en) | Horn with shock-absorbing function | |
| CN220082307U (en) | Adjustable anti-seismic support and hanger | |
| CN220805499U (en) | High-power high-speed ball motorized spindle with high lateral force | |
| CN218964125U (en) | Drilling machine with sheet metal positioning mechanism | |
| CN219882919U (en) | Be used for interior and exterior to decorate trompil device | |
| CN220890763U (en) | Damping-adjustable rotating shaft structure | |
| CN219746924U (en) | Impact equipment for bearing assembly | |
| CN219967568U (en) | Integral processing platform for fused zirconia corundum | |
| CN214711236U (en) | A support for art design board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |