CN217778726U - Steering column adjusting and locking mechanism - Google Patents
Steering column adjusting and locking mechanism Download PDFInfo
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- CN217778726U CN217778726U CN202220886971.0U CN202220886971U CN217778726U CN 217778726 U CN217778726 U CN 217778726U CN 202220886971 U CN202220886971 U CN 202220886971U CN 217778726 U CN217778726 U CN 217778726U
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- tubular column
- locking
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Abstract
The utility model relates to a steering column adjustment locking mechanism, its characterized in that: including locking mechanism, fixed block, ball pressure disk, tubular column support, friction disc, tubular column main part and rotatory screw rod, the tubular column main part install in the tubular column support and link to each other with the tubular column support through rotatory screw rod, respectively set up a first logical groove that is used for installing the friction disc on the tubular column support of tubular column main part left and right sides, friction disc swing joint in first logical inslot, locking mechanism pass and pass tubular column main part, the friction disc of opposite side, fixed block and ball pressure disk in proper order from the friction disc of one side in the middle of, the fixed block pass through locking mechanism and fix the one side at the tubular column support, the ball pressure disk also link to each other with the fixed block through locking mechanism, ball pressure disk and fixed block rotate and be connected and still be provided with interval regulation structure between each other. The design has the advantages of simple structure, easy manufacture, practicality and high efficiency.
Description
Technical Field
The utility model relates to a steering column technical field, specificly relate to a steering column adjustment locking mechanism.
Background
The locking device of present manual tubular column generally adopts the bolt-nut structure, handle direct drive lock nut locking tubular column, the stroke decision tubular column locking state of nut, the size of hand power is decided to the length of handle, and there is not the locking setpoint, different driver's hand power is different, there is the risk that the tubular column locking is not in place, nowadays if want to reduce hand power then often can take the mode of extension handle, but this kind of mode has very big limitation, consequently design a steering column adjustment locking mechanism and then seem to be important in order to solve above-mentioned problem.
Disclosure of Invention
The utility model discloses a solve above-mentioned problem and designed a steering column adjustment locking mechanism, through the vice form of change former friction, change sliding friction into rolling friction, played the effect that reduces the hand.
In order to solve the technical problem, the utility model provides a steering column adjusts locking mechanism which characterized in that: including locking mechanism, fixed block, ball pressure disk, tubular column support, friction disc, tubular column main part and rotatory screw rod, the tubular column main part install in the tubular column support and link to each other with the tubular column support through rotatory screw rod, respectively set up a first logical groove that is used for installing the friction disc on the tubular column support of the tubular column main part left and right sides, friction disc swing joint in first logical inslot, locking mechanism pass and pass tubular column main part, the friction disc of opposite side, fixed block and ball pressure disk in proper order from the friction disc of one side, the fixed block pass through locking mechanism and fix the one side at the tubular column support, the ball pressure disk also link to each other with the fixed block through locking mechanism, ball pressure disk and fixed block rotate and be connected and still be provided with interval adjustment structure between each other, the friction disc of both sides is locked towards tubular column main part motion under the effect of interval adjustment structure at ball pressure disk and the rotatory in-process of fixed block.
Further: the rotary screw comprises a guide rod main body and external threads arranged at two ends of the guide rod main body, a second through groove used for the guide rod main body to penetrate through is formed in the tubular column main body, the guide rod main body penetrates through the through groove and is movably connected with the tubular column main body, first guide through holes are formed in positions, relative to the guide rod main body, of tubular column supports on two sides of the tubular column main body, two ends of the guide rod main body respectively extend out of the tubular column supports along the first guide through holes, and the external threads extending out of two ends of the guide rod main body of the tubular column supports are respectively connected with a limiting nut.
And further: the locking mechanism comprises a locking nut, a locking screw rod, a spring cover plate, a compression spring, a spring shield and a locking handle, wherein a lug connected with the fixed block is arranged on one side connected with the tubular column support, a connecting through groove used for the lug to extend into is formed in the friction plate, the lug extends into the connecting through groove, the locking screw rod is formed by sequentially connecting a screw head part, a guide rod part and a screw rod part into a whole, a second guiding through hole matched with the guide rod part is formed in the centers of the spring cover plate, the spring shield, the locking handle, the fixed block and the lug thereon, a connecting part matched with the connecting through groove is further arranged between the screw head part and the guide rod part, the screw head part is in contact with the friction plate on one side, and the connecting part on one side extends into the connecting through groove of the friction plate, the guide rod part penetrates through the friction plate and the tubular column main body and extends into the connecting through groove of the friction plate on the other side, the guide rod part extends into the connecting through groove and sequentially penetrates through the lug, the fixing block, the ball pressure plate, the locking handle, the spring shield and the spring cover plate along the second guide through hole, the locking screw penetrating through the spring cover plate is connected with the locking nut, a third through groove used for the guide rod part to penetrate through is formed in the tubular column main body, the compression spring is arranged in the spring shield, the compression spring is encircled outside the guide rod part, the two ends of the compression spring are respectively connected with the spring cover plate and the spring shield, and the locking handle is tightly pressed on the ball pressure plate through the spring shield under the action of the compression spring so that the ball pressure plate rotates along with the locking handle.
And further: the interval adjust the structure include four balls and set up four ball tracks on the fixed block, the fixed block be cylindricly, one side that ball pressure disk and fixed block are connected seted up with fixed block assorted circular recess, the fixed block rotate and connect in the circular recess of ball pressure disk, circular recess in evenly set up four mounting holes that are used for installing the ball, four ball tracks are discontinuous circular and evenly arrange on the fixed block, four balls are connected respectively in four ball tracks, the ball track be the recess of semicircle degree of depth gradual change, the degree of depth of one end to its other end of four ball tracks becomes dark gradually, at the rotatory in-process of fixed block and ball pressure disk, the ball moves to shallower one end from the darker one end of ball track, the fixed block can promote the friction disc of one side to the motion of tubular column main part this moment, the friction disc of opposite side also can move towards the tubular column main part under the drive of spiral shell portion, utilize the friction disc of both sides to lock the tubular column main part.
And further: the ball pressure disk and the fixed block between still be provided with locking location structure, locking location structure include locating plate and lock plate, the fixed block outer wall on be provided with the locating plate, set up the breach on one side outer wall of circular recess, respectively be provided with a lock plate on the outer wall of the ball pressure disk of breach both sides, the fixed block contacts through locating plate on the outer wall and one in the lock plate of both sides when rotating in circular recess and carries out the locking work.
After the structure is adopted, the utility model changes the sliding friction into the rolling friction by changing the original friction pair form, thereby playing the role of reducing the hand force; the utility model changes the original mode of compressing the friction plate through the bolt and nut joint into compressing the friction plate through the spring compressing force, can meet the compressing force requirement of large, medium and small-sized tubular columns by adjusting different spring coefficients, adjusts the stroke of the spring by rolling the ball in the semi-arc spherical channel with gradually changed depth, can adjust different spring strokes through different ball diameters and spherical channel depths, and meets different compressing force requirements; and this design still is provided with locking location structure between ball pressure disk and fixed block, realizes tubular column locking or unblock through locating plate and locking plate after rotatory to the position.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a part diagram of the present invention.
Fig. 3 is a partial structural view of fig. 2.
Fig. 4 is a structural view of the lock positioning structure.
Fig. 5 is a structural view of the ball pressure plate.
Fig. 6 is a structural view of the locking mechanism.
Fig. 7 is a structural view of the lock screw.
Detailed Description
As shown in fig. 1, 2 and 4, a steering column adjustment locking mechanism comprises a locking mechanism, a fixing block 9, a ball pressure plate 7, a column support 10, friction plates 11, a column main body 12 and a rotary screw 13, wherein the column main body is installed in the column support and connected with the column support through the rotary screw, the column supports on the left side and the right side of the column main body are respectively provided with a first through groove for installing the friction plates, the friction plates are movably connected in the first through grooves, the locking mechanism penetrates through the friction plates on one side and sequentially penetrates through the column main body, the friction plates on the other side, the fixing block is fixed on one side of the column support through the locking mechanism, the ball pressure plate is also connected with the fixing block through the locking mechanism, the ball pressure plate and the fixing block are rotatably connected and are provided with a spacing adjustment structure therebetween, and the friction plates on the two sides move towards the column main body under the action of the spacing adjustment structure in the rotating process of the ball pressure plate and the fixing block to lock the friction plates.
The rotary screw shown in fig. 1 and 2 comprises a guide rod main body and external threads arranged at two ends of the guide rod main body, wherein a second through groove 12-1 for the guide rod main body to pass through is formed in the tubular column main body, the guide rod main body passes through the through groove and is movably connected with the tubular column main body, first guide through holes 16 are formed in positions, corresponding to the guide rod main body, of tubular column supports on two sides of the tubular column main body, two ends of the guide rod main body respectively extend out of the tubular column supports along the first guide through holes, and the external threads extending out of two ends of the guide rod main body of the tubular column supports are respectively connected with a limiting nut.
The locking mechanism shown in figures 2, 6 and 7 comprises a locking nut 1, a locking screw 2, a spring cover plate 3, a compression spring 4, a spring shield 5 and a locking handle 6, a convex block 15 connected with the fixed block into a whole is arranged at one side of the fixed block connected with the pipe column bracket, a connecting through groove 14 for the convex block to extend into is arranged on the friction plate, the lug extends into the connecting through groove, the locking screw is formed by sequentially connecting a screw head part 2-3, a guide rod part 2-2 and a screw rod part 2-1 into a whole, the spring cover plate, the spring shield, the locking handle, the fixed block and the center of the lug thereon are all provided with a second guide through hole matched with the guide rod part, a connecting part 2-4 matched with the connecting through groove is also arranged between the screw head part and the guide rod part, the head of the screw is contacted with the friction plate at one side, the connecting part at one side extends into the connecting through groove of the friction plate, the guide rod part penetrates through the friction plate and the pipe column main body and extends into the connecting through groove of the friction plate at the other side, the guide rod part extending into the connecting through groove sequentially penetrates through the lug, the fixed block, the ball pressure plate, the locking handle, the spring shield and the spring cover plate along the second guiding through hole, the locking screw rod penetrating through the spring cover plate is connected with a locking nut, a third through groove 12-2 for the guide rod part to pass through is arranged on the pipe column main body, the compression spring is arranged in the spring shield, the compression spring surrounds the outer side of the guide rod part, and two ends of the compression spring are respectively connected with the spring cover plate and the spring shield, the locking handle is tightly pressed on the ball pressure plate through the spring shield under the action of the compression spring, so that the ball pressure plate rotates along with the locking handle.
The spacing adjusting structure shown in fig. 3, 4 and 5 comprises four balls 8 and four ball paths 9-1 arranged on a fixed block, wherein the fixed block is cylindrical, one side of a ball pressure plate connected with the fixed block is provided with a circular groove matched with the fixed block, the fixed block is rotatably connected in the circular groove of the ball pressure plate, four mounting holes 7-1 used for mounting the balls are uniformly formed in the circular groove, the four ball paths are in discontinuous circular shape and are uniformly distributed on the fixed block, the four balls are respectively connected in the four ball paths, the ball paths are grooves with gradually changed semi-arc depths, the depths from one ends of the four ball paths to the other ends of the four ball paths are gradually increased, the balls move from one end with the deeper ball path to one end with the shallower ball path in the rotating process of the fixed block and the ball pressure plate, the fixed block can push the friction plate on one side to move towards the tubular column main body at the moment, the friction plate on the other side can also move towards the tubular column main body under the driving of the screw head, and the friction plates on the two sides are used for locking the tubular column main body.
As shown in fig. 3, 4 and 5, a locking and positioning structure is further arranged between the ball pressure plate and the fixing block, the locking and positioning structure comprises a positioning plate 9-2 and a locking plate 7-2, the outer wall of the fixing block is provided with the positioning plate 9-2, the outer wall of one side of the circular groove is provided with a notch, the outer walls of the ball pressure plates on two sides of the notch are respectively provided with the locking plate 7-2, when the fixing block rotates in the circular groove, the positioning plate on the outer wall is in contact with one of the locking plates on two sides to perform locking work, when the ball rolls to the end with the deeper ball track, the positioning plate is in contact with the locking plate on one side, a spring is released, the friction plate is loosened, the pipe column is unlocked, when the ball rolls to the end with the shallower ball track, the positioning plate is in contact with the locking plate on the other side, the spring is compressed, the friction plate is compressed by the spring pressure, and the pipe column is locked.
After the locking device is assembled, a locking handle 6 and a ball pressure plate 7 are pressed tightly through a compression spring 4, the ball pressure plate rotates along with the locking handle, the ball pressure plate 7 is driven by rotating the locking handle 6, so that balls 8 in the ball pressure plate roll in a lane, when the locking device is locked, the balls roll to a shallow position from a deep position along the lane of a fixed block, a spring is compressed, and a friction plate 11 is compressed tightly through the pressure of the spring, so that a pipe column is locked; when the locking handle is rotated reversely, the ball rolls from the shallow position of the ball path of the fixing block to the deep position, the spring is released, the friction plate is loosened, and the pipe column is unlocked.
In summary, the utility model changes the sliding friction into the rolling friction by changing the original friction pair form, thereby playing the role of reducing the hand force; in addition, the utility model changes the original mode of pressing the friction plate through the bolt and nut joint into the mode of pressing the friction plate through the spring pressing force, can meet the pressing force requirements of large, medium and small tubular columns by adjusting different spring coefficients, and can adjust the stroke of the spring by rolling the ball in the semi-arc spherical channel with gradually-changed depth, and can adjust different spring strokes through different ball diameters and spherical channel depths to meet the requirements of different pressing forces; in addition, a locking and positioning structure is further arranged between the ball pressure plate and the fixing block, and the locking or unlocking of the tubular column is realized through the positioning plate and the locking plate after the tubular column rotates to the right position.
Above only the utility model discloses a preferred embodiment, the utility model discloses a scope not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.
Claims (5)
1. A steering column adjusts locking mechanism which characterized in that: including locking mechanism, fixed block (9), ball pressure disk (7), tubular column support (10), friction disc (11), tubular column main part (12) and rotatory screw rod (13), the tubular column main part install in the tubular column support and link to each other with the tubular column support through rotatory screw rod, respectively set up a first logical groove that is used for installing the friction disc on the tubular column support of the tubular column main part left and right sides, friction disc swing joint in first logical inslot, locking mechanism pass and pass tubular column main part, the friction disc of opposite side, fixed block and ball pressure disk in proper order from the friction disc centre of one side, the fixed block pass through locking mechanism and fix in one side of tubular column support, the ball pressure disk also link to each other with the fixed block through locking mechanism, ball pressure disk and fixed block rotate and be connected and still be provided with the interval adjustment structure between each other, the friction disc of both sides moves towards the tubular column main part under the effect of interval adjustment structure and locks it at ball pressure disk and fixed block rotatory in-process.
2. The steering column adjustment locking mechanism according to claim 1, characterized in that: the rotary screw comprises a guide rod main body and external threads arranged at two ends of the guide rod main body, a second through groove (12-1) for the guide rod main body to pass through is formed in the tubular column main body, the guide rod main body passes through the through groove and is movably connected with the tubular column main body, first guide through holes (16) are formed in positions, relative to the guide rod main body, of tubular column supports on two sides of the tubular column main body, two ends of the guide rod main body respectively extend out of the tubular column supports along the first guide through holes, and the external threads extending out of two ends of the guide rod main body of the tubular column supports are respectively connected with a limiting nut.
3. A steering column trim lock mechanism according to claim 1, wherein: the locking mechanism comprises a locking nut (1), a locking screw rod (2), a spring cover plate (3), a compression spring (4), a spring shield (5) and a locking handle (6), one side of the fixed block, which is connected with the pipe column support, is provided with a lug (15) which is connected with the fixed block into a whole, the friction plate is provided with a connecting through groove (14) for the lug to extend into, the lug extends into the connecting through groove, the locking screw rod consists of a screw head part, a guide rod part and a screw rod part which are sequentially connected into a whole, the spring cover plate, the spring shield, the locking handle, the fixed block and the lug on the fixed block are all provided with second guide through holes which are matched with the guide rod part, and a connecting part which is matched with the connecting through groove is also arranged between the screw head part and the guide rod part, the spiral head portion is in contact with the friction plate on one side, the connecting portion on one side of the spiral head portion extends into the connecting through groove of the friction plate, the guide rod portion penetrates through the friction plate and the pipe column main body and extends into the connecting through groove of the friction plate on the other side, the guide rod portion extends into the connecting through groove and sequentially penetrates through the lug, the fixing block, the ball pressing plate, the locking handle, the spring protection cover and the spring cover plate along the second guide through hole, the locking screw rod penetrating through the spring cover plate is connected with the locking nut, the pipe column main body is provided with a third through groove (12-2) used for the guide rod portion to penetrate through, the compression spring is arranged in the spring protection cover, the compression spring is annularly wound on the outer side of the guide rod portion, two ends of the compression spring are respectively connected with the spring cover plate and the spring protection cover, the locking handle is tightly pressed on the ball pressing plate through the spring protection cover under the effect of the compression spring, so that the ball pressing plate is tightly pressed with the ball pressing plate The tight handle rotates together.
4. The steering column adjustment locking mechanism according to claim 1, characterized in that: the interval adjusting structure comprises four balls (8) and four ball paths (9-1) arranged on a fixing block, the fixing block is cylindrical, one side, connected with the fixing block, of a ball pressure plate is provided with a circular groove matched with the fixing block, the fixing block is connected in the circular groove of the ball pressure plate in a rotating mode, four mounting holes (7-1) used for mounting the balls are evenly formed in the circular groove, the four ball paths are in a discontinuous circular shape and are evenly distributed on the fixing block, the four balls are connected into the four ball paths respectively, the ball paths are grooves with gradually changed semi-circular arc depths, one ends of the four ball paths gradually become deeper to the depths of the other ends of the four ball paths, in the rotating process of the fixing block and the ball pressure plate, the balls move to a shallower end from one end of the deeper end of the ball paths, the fixing block can push the friction plates on one side to move to the pipe column main body, the friction plates on the other side can also move towards the pipe column main body under the driving of the screw head, and the friction plates on the two sides are used for locking the pipe column main body.
5. The steering column adjustment locking mechanism according to claim 4, characterized in that: the ball pressure plate fixing device is characterized in that a locking and positioning structure is further arranged between the ball pressure plate and the fixing block, the locking and positioning structure comprises a positioning plate (9-2) and locking plates (7-2), the outer wall of the fixing block is provided with the positioning plate (9-2), the outer wall of one side of the circular groove is provided with a notch, the outer walls of the ball pressure plates on two sides of the notch are respectively provided with one locking plate (7-2), and when the fixing block rotates in the circular groove, the positioning plate on the outer wall is in contact with one of the locking plates on two sides to perform locking work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220886971.0U CN217778726U (en) | 2022-04-18 | 2022-04-18 | Steering column adjusting and locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220886971.0U CN217778726U (en) | 2022-04-18 | 2022-04-18 | Steering column adjusting and locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217778726U true CN217778726U (en) | 2022-11-11 |
Family
ID=83907536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220886971.0U Active CN217778726U (en) | 2022-04-18 | 2022-04-18 | Steering column adjusting and locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217778726U (en) |
-
2022
- 2022-04-18 CN CN202220886971.0U patent/CN217778726U/en active Active
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