CN210240510U - Ball spline type steering transmission device - Google Patents
Ball spline type steering transmission device Download PDFInfo
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- CN210240510U CN210240510U CN201920763480.5U CN201920763480U CN210240510U CN 210240510 U CN210240510 U CN 210240510U CN 201920763480 U CN201920763480 U CN 201920763480U CN 210240510 U CN210240510 U CN 210240510U
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Abstract
The utility model belongs to the technical field of turn to transmission, especially, ball spline formula turns to transmission, it does not set up the lubricating oil filling opening to current turn to transmission, lubricating oil adds inconveniently, the lubricated ball that can not be fine, cause the frictional force increase of ball and spline housing inside pipe wall, and the frictional heating causes to turn to transmission temperature and rise, influence transmission life's shortcoming, and put forward following scheme, it includes spline sleeve and steering transmission shaft, the spline housing pipe box is established on steering transmission shaft, be equipped with ball holder on the steering transmission shaft, be equipped with a plurality of balls in the ball holder. The utility model discloses simple structure can directly add lubricating oil through set up the oil filler point on the spline sleeve pipe, has reduced the frictional force of ball, and the oiling device is through pressing panel, baffle and sealing plate's duplicate protection, is difficult for falling into debris, avoids lubricating oil to leak simultaneously, loosens and can close convenient to use simultaneously behind the pressing panel.
Description
Technical Field
The utility model relates to a turn to transmission technical field, especially relate to a ball spline formula turns to transmission.
Background
At present, in the steering transmission devices of various models configured by domestic automobile manufacturers, the lower steering transmission shaft assembly is of a spline contact type structure with a telescopic sliding structure, namely a spline sleeve and a steering transmission shaft are directly matched and slide by a spline, so that the spline sleeve and the steering transmission shaft are in pure sliding during working, the telescopic resistance is large, the spline abrasion is large, and the steering torsion gap is increased.
The patent with publication number CN2728875 discloses a ball spline type steering transmission device for an automobile, which is a precision ball spline kinematic pair composed of a double-arc raceway on a spline sleeve, a double-arc spline groove on a steering transmission shaft, a ball and a ball retainer, and can reduce sliding resistance between the spline sleeve and the steering transmission shaft, and effectively eliminate high-frequency resonance, noise and temperature rise.
Disclosure of Invention
The utility model aims at solving and exist among the prior art and turn to transmission and not set up the lubricating oil filling opening, lubricating oil adds inconveniently, and lubricated ball that can not be fine causes the frictional force increase of ball and spline housing inside wall, and the frictional heating causes to turn to transmission temperature and rise, influences transmission life's shortcoming, and the ball spline formula that proposes turns to transmission.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a ball spline type steering transmission device comprises a spline sleeve and a steering transmission shaft, wherein the spline sleeve is sleeved on the steering transmission shaft, a ball retainer is arranged on the steering transmission shaft, a plurality of balls are arranged in the ball retainer, a mounting groove is formed in the top side of the spline sleeve, an oil injection hole is formed in the inner wall of the bottom side of the mounting groove, a containing groove is formed in the inner wall of one side of the oil injection hole, an adjusting plate is slidably mounted on the inner wall of the bottom side of the containing groove, a sealing plate is fixedly mounted on one side of the adjusting plate, a pressing plate is rotatably mounted on the inner wall of one side of the mounting groove, a baffle plate is rotatably mounted on one side of the pressing plate, an adjusting rod is fixedly mounted on the bottom side of the pressing plate, a through hole is formed in the inner wall of the top side of the containing groove, the spacing hole that is located the mounting groove is seted up along the horizontal direction to one side of adjusting the pole, sliding mounting has the horizontal pole in the spacing hole, the both ends of horizontal pole all extend to outside the spacing hole, the one end that the horizontal pole is close to the baffle rotates installs the push-and-pull rod, the top of push-and-pull rod rotates and installs on the bottom side of baffle, can directly add lubricating oil through set up the oil filler point on the spline sleeve pipe, the frictional force of ball has been reduced, and the oiling device is through pressing the clamp plate, the baffle reaches the duplicate protection of sealing the plate, be difficult for falling into debris, avoid lubricating oil to leak simultaneously, can close simultaneously after loosening the.
Preferably, the reset groove has been seted up on one side inner wall of mounting groove, and one side fixed mounting that the press platen is close to the reset groove has the carriage release lever, and the one end of carriage release lever extends to the reset inslot, and the removal hole has been seted up along vertical direction in the bottom side of carriage release lever, and slidable mounting has the slide bar in the removal hole, and the both ends of slide bar are fixed mounting respectively on the top side and the bottom side inner wall of reset groove, and it reciprocates steadily to spacing messenger's of press platen.
Preferably, the slide bar is movably sleeved with a spring, the top end of the spring is fixedly installed on the bottom side of the movable bar, the bottom end of the spring is fixedly installed on the inner wall of the bottom side of the reset groove, and the spring can automatically reset after being fed to the pressing plate.
Preferably, the end of the cross rod, which is far away from the baffle plate, is rotatably provided with a connecting rod, and the bottom end of the connecting rod is rotatably arranged on the inner wall of the bottom side of the mounting groove, so that the cross rod moves leftwards while moving downwards.
Preferably, the oil filler point is kept away from and is seted up the sealing groove on the one side inner wall of accomodating the groove, and the oil filler point is run through and extend to the sealing groove in one side of sealing the board, and the sealed effect of oil filler point is better.
Preferably, a sliding block is fixedly installed at the bottom side of the adjusting plate, a sliding groove is formed in the inner wall of the bottom side of the accommodating groove, the bottom side of the sliding block is slidably installed in the sliding groove, and the adjusting plate moves left and right stably.
The utility model has the advantages that:
the utility model discloses in, through the cooperation use of mounting groove, oil filler point, press the clamp plate, the baffle, accomodate the groove, the regulating plate, seal plate, the seal groove, the through-hole, the adjustment tank, reset groove, press the clamp plate downwards, drive the carriage release lever and slide down and compression spring on the slide bar, the bottom of adjusting the pole extends to the adjustment tank that the slope set up, thereby promote the regulating plate to move left, the regulating plate drives the seal plate and moves left, move out the seal groove and move to accomodating the inslot until one side of seal plate, make the oil filler point that is sealed by the seal plate open;
in the utility model, through the matching use of the adjusting rod, the horizontal rod, the push-pull rod and the connecting rod, the adjusting rod drives the horizontal rod and the baffle to move downwards while moving downwards, the horizontal rod can only move horizontally when being limited by the limiting hole, the horizontal rod moves leftwards while being pushed to move downwards by the rotation of the connecting rod, and then the baffle is pulled by the push-pull rod, so that the baffle rotates clockwise, and the mounting groove sealed by the pressing plate and the baffle is opened;
the utility model discloses simple structure can directly add lubricating oil through set up the oil filler point on the spline sleeve pipe, has reduced the frictional force of ball, and the oiling device is through pressing panel, baffle and sealing plate's duplicate protection, is difficult for falling into debris, avoids lubricating oil to leak simultaneously, loosens and can close convenient to use simultaneously behind the pressing panel.
Drawings
Fig. 1 is a schematic structural view of a ball spline type steering transmission device according to the present invention;
fig. 2 is a schematic structural view of a portion a in fig. 1 of a ball spline type steering transmission device according to the present invention;
fig. 3 is a schematic structural diagram of a portion a1 in fig. 2 of a ball spline type steering transmission device according to the present invention.
In the figure: the device comprises a spline sleeve 1, a steering transmission shaft 2, a ball retainer 3, balls 4, a mounting groove 5, an oil filling hole 6, a pressing plate 7, a baffle 8, a receiving groove 9, an adjusting plate 10, a sealing plate 11, a sealing groove 12, a through hole 13, an adjusting groove 14, an adjusting rod 15, a cross rod 16, a push-pull rod 17, a connecting rod 18, a reset groove 19, a slide rod 20, a moving rod 21 and a moving hole 22.
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.
Referring to fig. 1-3, a ball spline type steering transmission device comprises a spline sleeve 1 and a steering transmission shaft 2, the spline sleeve 1 is sleeved on the steering transmission shaft 2, a ball retainer 3 is arranged on the steering transmission shaft 2, a plurality of balls 4 are arranged in the ball retainer 3, a mounting groove 5 is arranged on the top side of the spline sleeve 1, an oil injection hole 6 is arranged on the inner wall of the bottom side of the mounting groove 5, an accommodating groove 9 is arranged on the inner wall of one side of the oil injection hole 6, an adjusting plate 10 is slidably mounted on the inner wall of the bottom side of the accommodating groove 9, a sealing plate 11 is fixedly mounted on one side of the adjusting plate 10, a pressing plate 7 is rotatably mounted on the inner wall of one side of the mounting groove 5, a baffle plate 8 is rotatably mounted on one side of the pressing plate 7, an adjusting rod 15 is fixedly mounted on the bottom side of the pressing plate 7, the adjustment tank 14 sets up for the slope, the bottom of adjusting pole 15 runs through-hole 13 and extends to in the adjustment tank 14, the spacing hole that is located mounting groove 5 is seted up along the horizontal direction to one side of adjusting pole 15, sliding mounting has horizontal pole 16 in the spacing hole, the both ends of horizontal pole 16 all extend to outside the spacing hole, horizontal pole 16 is close to the one end rotation of baffle 8 and installs push-and-pull rod 17, the top of push-and-pull rod 17 is rotated and is installed on the bottom side of baffle 8, can directly add lubricating oil through set up oil filler point 6 on spline sleeve 1, the frictional force of ball 4 has been reduced, and the oiling device is through pressing the clamp plate 7, baffle 8 and the dual protection of sealing board 11, be difficult for falling into debris, avoid lubricating oil to leak simultaneously, can close simultaneously after loosening the.
In the utility model, a reset groove 19 is arranged on the inner wall of one side of the mounting groove 5, a movable rod 21 is fixedly arranged on one side of the pressing plate 7 close to the reset groove 19, one end of the movable rod 21 extends into the reset groove 19, a movable hole 22 is arranged on the bottom side of the movable rod 21 along the vertical direction, a slide rod 20 is slidably arranged in the movable hole 22, two ends of the slide rod 20 are respectively fixedly arranged on the inner walls of the top side and the bottom side of the reset groove 19, the pressing plate 7 is limited to be stably moved up and down, a spring is movably sleeved on the slide rod 20, the top end of the spring is fixedly arranged on the bottom side of the movable rod 21, the bottom end of the spring is fixedly arranged on the inner wall of the bottom side of the reset groove 19, the pressing plate 7 can be automatically reset after being sent, a connecting rod 18 is rotatably arranged at one end of the cross rod 16 far away from the, the sealing groove 12 has been seted up on the one side inner wall of holding groove 9 is kept away from to oil filler point 6, and one side of sealing board 11 runs through oil filler point 6 and extends to in the sealing groove 12, and oil filler point 6 is sealed better, and the bottom side fixed mounting of regulating plate 10 has the slider, has seted up the spout on holding the bottom side inner wall of groove 9, and the bottom side slidable mounting of slider is in the spout, and regulating plate 10 moves about steadily.
In the utility model, when the ball spline type steering transmission device needs to add lubricating oil to reduce the friction force of the ball 4, the pressing plate 7 is pressed downwards to drive the moving rod 21 to slide downwards on the sliding rod 20 and compress the spring, the pressing plate 7 drives the adjusting rod 15 to move downwards in the through hole 13, the bottom end of the adjusting rod 15 extends into the adjusting groove 14 which is arranged obliquely, so as to push the adjusting plate 10 to move leftwards, the adjusting plate 10 drives the sealing plate 11 to move leftwards until one side of the sealing plate 11 moves out of the sealing groove 12 and moves into the accommodating groove 9, so that the oil injection hole 6 sealed by the sealing plate 11 is opened, the adjusting rod 15 drives the cross rod 16 and the baffle 8 to move downwards while moving downwards, the cross rod 16 can only move horizontally when being limited by the limiting hole, the cross rod 16 moves leftwards when pushing the lower cross rod 16 to move downwards under the rotation of the connecting rod 18, and then the baffle 8 is pulled, make baffle 8 clockwise turning, make the mounting groove 5 that is sealed according to pressure board 7 and baffle 8 open, thereby realized that mounting groove 5 and oil filler point 6 open simultaneously, direct additional lubrication oil that can be convenient is to ball 4 on, the frictional force of ball 4 has been reduced, and the oiling device is through pressing board 7, baffle 8 and the dual protection of sealing board 11, be difficult for falling into debris, and avoid lubricating oil to leak, can close simultaneously after loosening pressing board 7, high durability and convenient use, and the use requirement is satisfied.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a ball spline type steering transmission device, includes spline sleeve pipe (1) and steering transmission shaft (2), and spline sleeve pipe (1) cover is established on steering transmission shaft (2), is equipped with ball holder (3) on steering transmission shaft (2), is equipped with a plurality of balls (4) in ball holder (3), its characterized in that, mounting groove (5) have been seted up on the top side of spline sleeve pipe (1), has seted up oil filler point (6) on the bottom side inner wall of mounting groove (5), has seted up on one side inner wall of oil filler point (6) and has accomodate groove (9), slidable mounting has regulating plate (10) on the bottom side inner wall of accomodating groove (9), and one side fixed mounting of regulating plate (10) has sealing plate (11), it presses pressing plate (7) to rotate to install on one side inner wall of mounting groove (5), presses baffle (8) to rotate to install, the bottom side fixed mounting who presses down clamp plate (7) has regulation pole (15), set up through-hole (13) on the top side inner wall of accomodating groove (9), regulation groove (14) have been seted up to one side that regulating plate (10) are close to regulation pole (15), and regulation groove (14) set up for the slope, and the bottom of adjusting pole (15) runs through-hole (13) and extends to in regulation groove (14), the spacing hole that is located mounting groove (5) is seted up along the horizontal direction in one side of regulation pole (15), and sliding mounting has horizontal pole (16) in the spacing hole, and outside the both ends of horizontal pole (16) all extended to spacing hole, horizontal pole (16) were close to the one end rotation of baffle (8) and are installed push-and-pull rod (17), and the top rotation of push-pull rod (17.
2. A ball spline type steering transmission device according to claim 1, wherein a reset groove (19) is formed in an inner wall of one side of the mounting groove (5), a moving rod (21) is fixedly mounted on one side of the pressing plate (7) close to the reset groove (19), one end of the moving rod (21) extends into the reset groove (19), a moving hole (22) is formed in the bottom side of the moving rod (21) along the vertical direction, a sliding rod (20) is slidably mounted in the moving hole (22), and two ends of the sliding rod (20) are fixedly mounted on the inner walls of the top side and the bottom side of the reset groove (19) respectively.
3. A ball spline type steering gear according to claim 2, wherein the sliding rod (20) is movably sleeved with a spring, the top end of the spring is fixedly installed on the bottom side of the moving rod (21), and the bottom end of the spring is fixedly installed on the inner wall of the bottom side of the return groove (19).
4. A ball spline type steering gear according to claim 1, wherein the end of the cross bar (16) remote from the apron (8) is rotatably mounted with a connecting rod (18), the bottom end of the connecting rod (18) being rotatably mounted on the bottom side inner wall of the mounting groove (5).
5. A ball spline type steering transmission device according to claim 1, wherein a sealing groove (12) is formed in the inner wall of the side of the oil injection hole (6) far away from the accommodating groove (9), and one side of the sealing plate (11) penetrates through the oil injection hole (6) and extends into the sealing groove (12).
6. A ball spline type steering gear according to claim 1, wherein the adjusting plate (10) has a sliding block fixedly mounted on the bottom side thereof, the receiving groove (9) has a sliding groove formed on the inner wall of the bottom side thereof, and the sliding block is slidably mounted on the sliding groove at the bottom side thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920763480.5U CN210240510U (en) | 2019-05-26 | 2019-05-26 | Ball spline type steering transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920763480.5U CN210240510U (en) | 2019-05-26 | 2019-05-26 | Ball spline type steering transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210240510U true CN210240510U (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920763480.5U Active CN210240510U (en) | 2019-05-26 | 2019-05-26 | Ball spline type steering transmission device |
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| Country | Link |
|---|---|
| CN (1) | CN210240510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111976823A (en) * | 2020-09-07 | 2020-11-24 | 北方重工集团有限公司 | Spline type steering transmission shaft capable of disengaging from ball bearing |
-
2019
- 2019-05-26 CN CN201920763480.5U patent/CN210240510U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111976823A (en) * | 2020-09-07 | 2020-11-24 | 北方重工集团有限公司 | Spline type steering transmission shaft capable of disengaging from ball bearing |
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