CN213745925U - Sliding mechanism with self-locking function - Google Patents
Sliding mechanism with self-locking function Download PDFInfo
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- CN213745925U CN213745925U CN202022378339.9U CN202022378339U CN213745925U CN 213745925 U CN213745925 U CN 213745925U CN 202022378339 U CN202022378339 U CN 202022378339U CN 213745925 U CN213745925 U CN 213745925U
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Abstract
The utility model discloses a sliding mechanism with self-locking function, which comprises a first seat body, a second seat body, an output shaft, a driving self-locking device, at least one gear and a rack corresponding to the gear; the first seat body is connected to the second seat body in a sliding manner; the rack is connected to the second seat body; the gear is rotationally connected to the first seat body and meshed with the corresponding rack; the output shaft is rotationally connected to the first seat body and is connected with the gear; the driving self-locking device is connected with the output shaft and used for driving the output shaft to rotate so as to drive the gear to rotate and drive the first base body to slide relative to the second base body, and used for locking the output shaft when the first base body slides in place so as to prevent the output shaft from rotating. The utility model discloses can realize the auto-lock after the action targets in place.
Description
Technical Field
The utility model relates to a slide mechanism with self-locking function.
Background
At present, a laser demarcation device needs to be connected to a fixedly arranged support through a sliding mechanism, and the sliding mechanism is actuated to drive the laser demarcation device to move on the support, so that the laser demarcation device obtains the best working position. However, the existing sliding mechanism can not realize self-locking after acting in place, so that the position of the laser demarcation device can not be fixed.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a slide mechanism with auto-lock function, it can realize the auto-lock after the action targets in place.
In order to solve the technical problem, the technical scheme of the utility model is that: a sliding mechanism with a self-locking function comprises a first seat body, a second seat body, an output shaft, a driving self-locking device, at least one gear and a rack corresponding to the gear; wherein the content of the first and second substances,
the first seat body is connected to the second seat body in a sliding manner;
the rack is connected to the second seat body;
the gear is rotationally connected to the first seat body and meshed with the corresponding rack;
the output shaft is rotationally connected to the first seat body and is connected with the gear;
the driving self-locking device is connected with the output shaft and used for driving the output shaft to rotate so as to drive the gear to rotate and drive the first base body to slide relative to the second base body, and used for locking the output shaft when the first base body slides in place so as to prevent the output shaft from rotating.
Further provides a specific structure of the driving self-locking device, wherein the driving self-locking device comprises a rotating assembly, at least one forward driving locking mechanism and at least one reverse driving locking mechanism; wherein the content of the first and second substances,
the first seat body is provided with a mounting hole;
the output shaft extends into the mounting hole and forms a mounting gap with the wall of the mounting hole;
the forward driving locking mechanism comprises a forward step part, a forward driving part, a forward roller pin and a forward inclined plane part; wherein the content of the first and second substances,
the forward step part, the forward driving part, the forward roller pin and the forward inclined plane part are all arranged in the mounting gap;
the forward roller pin is positioned between the forward step part and the forward driving part;
the forward step part is connected to the output shaft;
the forward driving part is connected to the rotating assembly;
the forward inclined plane part is connected to the output shaft and is suitable for abutting against the forward roller pins when the output shaft rotates in the forward direction and driving the forward roller pins to abut against the hole wall of the mounting hole so as to lock the output shaft;
the reverse driving locking mechanism comprises a reverse step part, a reverse driving part, a reverse roller pin and a reverse inclined plane part; wherein the content of the first and second substances,
the reverse step part, the reverse driving part, the reverse roller pin and the reverse inclined plane part are all arranged in the mounting gap;
the reverse needle roller is positioned between the reverse step part and the reverse driving part;
the reverse step part is connected to the output shaft;
the reverse driving part is connected to the rotating assembly;
the reverse inclined plane part is connected to the output shaft and is suitable for abutting against the reverse roller pins when the output shaft rotates reversely and driving the reverse roller pins to abut against the hole wall of the mounting hole so as to lock the output shaft;
the rotating assembly is rotatably connected to the first seat body and is suitable for forward rotation so as to drive the forward driving part to move to push the forward roller pins away from the forward inclined plane part and push the forward roller pins on the forward step part, and further drive the output shaft to rotate forward; the rotating assembly is further suitable for reversely rotating to drive the reverse driving portion to move to enable the reverse roller pins to be jacked away from the reverse inclined plane portion and to be jacked on the reverse step portion, and therefore the output shaft is driven to reversely rotate.
Further providing a specific arrangement mode of the forward step part and the reverse step part, wherein one or at least two convex ridges which are sequentially distributed along the circumferential direction of the output shaft are arranged on the outer circumferential part of the output shaft;
protruding stupefied being located in the installation clearance in the circumference of output shaft, protruding stupefied one end portion is forward step portion, protruding stupefied another tip is reverse step portion.
Further, a specific arrangement manner of the forward inclined plane part and the reverse inclined plane part is provided, wherein one or at least two convex pad parts which are sequentially distributed along the circumferential direction of the output shaft are arranged on the outer circumferential part of the output shaft;
the convex pad part is arranged in the mounting gap, one end part of the convex pad part is provided with the forward inclined plane part, and the other end part of the convex pad part is provided with the reverse inclined plane part in the circumferential direction of the output shaft.
Further provides a specific arrangement mode of the forward driving part and the reverse driving part, and one or at least two fork rods which are sequentially distributed along the circumferential direction of the rotating assembly are arranged in the rotating assembly;
the fork arm is located in the installation clearance in rotating assembly's circumference, one end portion of fork arm is forward drive portion, another tip of fork arm is reverse drive portion.
Furthermore, at least two convex ridges which are sequentially distributed along the circumferential direction of the output shaft are arranged on the peripheral part of the output shaft;
the convex edge is positioned in the mounting gap, one end of the convex edge is the forward step part, and the other end of the convex edge is the reverse step part in the circumferential direction of the output shaft;
a convex pad part connected to the output shaft is arranged between any two adjacent convex ridges;
the convex pad part is positioned in the mounting gap, one end part of the convex pad part is provided with the forward inclined plane part, and the other end part of the convex pad part is provided with the reverse inclined plane part in the circumferential direction of the output shaft;
a fork rod connected to the rotating assembly is further arranged between any two adjacent convex ridges;
the fork rod is located in the installation clearance, in the circumference of output shaft, one end portion of fork rod is the forward drive portion, another tip of fork rod is the reverse drive portion.
Further providing a concrete structure of the first seat, the first seat includes:
the main body is connected to the second seat body in a sliding manner;
the shaft sleeve is connected in the main body, the output shaft is rotatably connected in the shaft sleeve, and the mounting hole is formed in the shaft sleeve.
Further provides a concrete structure of the rotating assembly, wherein the rotating assembly comprises a knob, a shifting fork and a connecting piece; wherein the content of the first and second substances,
the shifting fork is rotationally connected in the mounting hole, and the forward driving part and the reverse driving part are both connected to the shifting fork;
one end of the connecting piece is connected with the shifting fork;
the knob is connected to the other end of the connecting piece.
Furthermore, two gears and two racks are respectively arranged; wherein the content of the first and second substances,
the output shaft is connected with the gear through a connecting rod;
one end part of the connecting rod is inserted into one gear;
the other end of the connecting rod passes through the other gear and then is inserted into the output shaft;
and rod holes matched with the connecting rods are formed in the gear and the output shaft.
In order to further indicate the position of the first seat body on the second seat body, any one of the first seat body and the second seat body is provided with a scale mark;
and the rest one of the first seat body and the second seat body is provided with an indicating mark which is used for being matched with the scale mark to indicate the position of the first seat body on the second seat body.
After the technical scheme is adopted, when the rotating assembly is rotated in the forward direction, the rotating assembly drives the forward driving part to act so as to push the forward roller pins away from the forward inclined plane part and push the forward roller pins on the forward step part, and then the output shaft is driven to rotate in the forward direction. When the rotating assembly rotates reversely, the rotating assembly drives the reverse driving portion to act so as to enable the reverse roller pins to be jacked away from the reverse inclined plane portion and to be jacked on the reverse step portion, and then the output shaft is driven to rotate reversely. The output shaft can drive the gear to rotate when rotating in the forward direction and the reverse direction, and then the first seat body and the second seat body are driven to slide relatively through the matching of the gear and the rack. When the rotating assembly stops rotating, if the first seat body slides relative to the second seat body, the gear is driven to rotate, the gear drives the output shaft to rotate, and when the output shaft rotates in the forward direction, the forward inclined plane part abuts against the forward roller pins and drives the forward roller pins to abut against the hole wall of the mounting hole so as to lock the output shaft; when the output shaft rotates reversely, the reverse inclined surface part abuts against the reverse roller pins and drives the reverse roller pins to abut against the hole wall of the mounting hole to lock the output shaft, so that the gear is locked, the position of the first seat body relative to the second seat body is locked, and the self-locking function after the motion is in place is realized. The laser line projector is arranged on the first seat body, the second seat body is arranged on the support, and therefore the position of the laser line projector can be fixed when the laser line projector moves to the optimal working position.
Drawings
Fig. 1 is a schematic structural view of a sliding mechanism with a self-locking function according to the present invention;
fig. 2 is a cross-sectional view of the sliding mechanism with self-locking function of the present invention;
FIG. 3 is a cross-sectional view of the forward drive locking mechanism and the reverse drive locking mechanism of the present invention;
FIG. 4 is a schematic structural view of the forward driving locking mechanism and the reverse driving locking mechanism of the present invention;
FIG. 5 is an exploded view of the forward drive locking mechanism and the reverse drive locking mechanism of the present invention;
fig. 6 is an exploded view of the driving self-locking device of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 to 6, a sliding mechanism with a self-locking function includes a first seat 1, a second seat 2, an output shaft 3, a driving self-locking device 100, at least one gear 4, and a rack 5 corresponding to the gear 4; wherein the content of the first and second substances,
the first seat body 1 is connected to the second seat body 2 in a sliding manner;
the rack 5 is connected to the second seat 2;
the gear 4 is rotationally connected to the first seat body 1 and meshed with the corresponding rack 5;
the output shaft 3 is rotatably connected to the first seat body 1 and is connected with the gear 4;
the driving self-locking device 100 is connected to the output shaft 3, and the driving self-locking device 100 is configured to drive the output shaft 3 to rotate so as to drive the gear 4 to rotate and drive the first seat body 1 to slide relative to the second seat body 2, and is configured to lock the output shaft 3 to prevent the output shaft 3 from rotating when the first seat body 1 slides in place, so as to lock the gear 4, and further lock the position of the first seat body 1 relative to the second seat body 2.
As shown in fig. 1 to 6, the driving self-locking device 100 includes, for example but not limited to, a rotating assembly 200, at least one forward driving locking mechanism and at least one reverse driving locking mechanism; wherein the content of the first and second substances,
the first seat body 1 is provided with a mounting hole 6;
the output shaft 3 extends into the mounting hole 6 and forms a mounting gap 7 with the hole wall of the mounting hole 6; specifically, the mounting gap 7 is an annular gap;
the forward driving locking mechanism can comprise a forward step part 8, a forward driving part 9, a forward roller pin 10 and a forward inclined plane part 11; wherein the content of the first and second substances,
the forward step part 8, the forward driving part 9, the forward roller pin 10 and the forward inclined plane part 11 are all arranged in the mounting gap 7;
the forward needle roller 10 is positioned between the forward step part 8 and the forward driving part 9;
the forward step portion 8 is connected to the output shaft 3;
the forward driving part 9 is connected to the rotating assembly 200;
the positive inclined plane part 11 is connected to the output shaft 3 and is suitable for abutting against the positive roller pins 10 when the output shaft 3 rotates in the positive direction and driving the positive roller pins 10 to abut against the hole wall of the mounting hole 6 so as to lock the output shaft 3;
the reverse driving locking mechanism may include a reverse step portion 12, a reverse driving portion 13, a reverse needle roller 14, and a reverse slope portion 15; wherein the content of the first and second substances,
the reverse step part 12, the reverse driving part 13, the reverse needle roller 14 and the reverse inclined plane part 15 are all arranged in the mounting gap 7;
the reverse needle roller 14 is located between the reverse step portion 12 and the reverse driving portion 13;
the reverse step portion 12 is connected to the output shaft 3;
the reverse driving part 13 is connected to the rotating assembly 200;
the reverse inclined surface part 15 is connected to the output shaft 3 and is adapted to abut against the reverse roller pins 14 when the output shaft 3 rotates in a reverse direction and drive the reverse roller pins 14 to abut against the hole wall of the mounting hole 6 so as to lock the output shaft 3;
the rotating assembly 200 is rotatably connected to the first seat 1, and the rotating assembly 200 is adapted to rotate in the forward direction to drive the forward driving portion 9 to move to push the forward roller pins 10 away from the forward inclined plane portion 11 and push the forward roller pins 10 against the forward step portion 8, so as to drive the output shaft 3 to rotate in the forward direction; the rotating assembly 200 is further adapted to rotate in the opposite direction to drive the reverse driving portion 13 to push the reverse roller pins 14 away from the reverse inclined surface portion 15 and push the reverse roller pins 14 against the reverse step portion 12, so as to drive the output shaft 3 to rotate in the opposite direction.
Specifically, when the rotating assembly 200 is rotated in the forward direction, the rotating assembly 200 drives the forward driving portion 9 to push the forward roller pins 10 away from the forward inclined surface portion 11 and push the forward roller pins 10 against the forward step portion 8, so as to drive the output shaft 3 to rotate in the forward direction. When the rotating assembly 200 is rotated in the reverse direction, the rotating assembly 200 drives the reverse driving part 13 to push the reverse roller pins 14 away from the reverse inclined plane part 15 and push the reverse roller pins 14 against the reverse step part 12, so as to drive the output shaft 3 to rotate in the reverse direction. The output shaft 3 can drive the gear 4 to rotate when rotating in the forward direction and the reverse direction, and then the first seat body 1 and the second seat body 2 are driven to slide relatively through the matching of the gear 4 and the rack 5. Then, when the rotation of the rotating assembly 200 is stopped, if the first seat 1 slides relative to the second seat 2, the gear 4 is driven to rotate, the gear 4 drives the output shaft 3 to rotate, and when the output shaft 3 rotates in the forward direction, the forward inclined plane portion 11 abuts against the forward roller pin 10 and drives the forward roller pin 10 to abut against the hole wall of the mounting hole 6, so as to lock the output shaft 3; when the output shaft 3 rotates reversely, the reverse inclined surface portion 15 abuts against the reverse roller pin 14 and drives the reverse roller pin 14 to abut against the hole wall of the mounting hole 6 so as to lock the output shaft 3, and further lock the gear 4, and further lock the position of the first seat body 1 relative to the second seat body 2, thereby realizing a self-locking function after the action is in place. The laser demarcation device is arranged on the first seat body 1, the second seat body 2 is arranged on the support, and then the position of the laser demarcation device can be fixed when the laser demarcation device moves to the optimal working position.
As shown in fig. 3 to 5, one or at least two convex ridges 16 may be disposed on the outer periphery of the output shaft 3 and sequentially distributed along the circumferential direction of the output shaft 3; the convex edge 16 is positioned in the mounting gap 7, in the circumferential direction of the output shaft 3, one end part of the convex edge 16 is the forward step part 8, and the other end part of the convex edge 16 is the reverse step part 12;
one or at least two convex pad parts 17 which are sequentially distributed along the circumferential direction of the output shaft 3 can be arranged on the outer circumferential part of the output shaft 3; the convex pad part 17 is located in the installation gap 7, one end part of the convex pad part 17 is provided with the forward inclined surface part 11, and the other end part of the convex pad part 17 is provided with the reverse inclined surface part 15 in the circumferential direction of the output shaft 3;
the rotating assembly 200 is provided with one or at least two fork rods 18 which are distributed along the circumferential direction of the rotating assembly 200 in sequence; the fork 18 is located in the installation gap 7, and one end of the fork 18 is the forward driving portion 9 and the other end of the fork 18 is the reverse driving portion 13 in the circumferential direction of the rotating assembly 200.
In the present embodiment, at least two convex ridges 16 are provided on the outer peripheral portion of the output shaft 3, and are sequentially distributed along the circumferential direction of the output shaft 3;
the convex edge 16 is positioned in the mounting gap 7, in the circumferential direction of the output shaft 3, one end part of the convex edge 16 is the forward step part 8, and the other end part of the convex edge 16 is the reverse step part 12;
a convex pad part 17 connected to the output shaft 3 is arranged between any two adjacent convex edges 16;
the convex pad part 17 is located in the installation gap 7, one end part of the convex pad part 17 is provided with the forward inclined surface part 11, and the other end part of the convex pad part 17 is provided with the reverse inclined surface part 15 in the circumferential direction of the output shaft 3;
a fork rod 18 connected to the rotating assembly 200 is further arranged between any two adjacent convex ridges 16;
the fork rod 18 is positioned in the mounting gap 7, one end part of the fork rod 18 is the forward driving part 9, and the other end part of the fork rod 18 is the reverse driving part 13 in the circumferential direction of the output shaft 3; in this embodiment, there are 3 convex ridges 16, 3 convex pad portions 17 and 3 fork bars 18.
As shown in fig. 2, the first housing 1 may include:
the main body 19 is connected to the second seat 2 in a sliding manner;
a sleeve 20, the sleeve 20 being connected in the body 19, the output shaft 3 being rotatably connected in the sleeve 20, the mounting hole 6 being provided in the sleeve 20; specifically, at least one anti-rotation protrusion 21 is arranged on the outer peripheral portion of the shaft sleeve 20, anti-rotation grooves corresponding to the anti-rotation protrusions 21 one to one are formed in the main body 19, and the anti-rotation protrusions 21 are clamped in the corresponding anti-rotation grooves to prevent the shaft sleeve 20 from rotating relative to the main body 19.
As shown in fig. 1, 2, 5 and 6, the rotating assembly 200 is, for example and without limitation, a structure including a knob 22, a fork 23 and a link 24; wherein the content of the first and second substances,
the shifting fork 23 is rotatably connected in the mounting hole 6, and the forward driving part 9 and the reverse driving part 13 are both connected on the shifting fork 23; in the present embodiment, the fork rod 18 is connected to the fork 23;
one end of the connecting piece 24 is connected with the shifting fork 23;
the knob 22 is connected to the other end of the connecting member 24, so that when the knob 22 is rotated, the shifting fork 23 is driven to rotate through the connecting member 24, and the forward driving portion 9 and the reverse driving portion 13 are driven to move. In this embodiment, the cross-section of each of the two end portions of the connecting member 24 is D-shaped, and a cover plate 25 is further connected to the main body 19, wherein the cover plate 25 is used for limiting the shift fork 23 in the mounting hole 6.
In this embodiment, the knob 22 is connected to the connecting member 24 through a screw 26, a cap 27 for covering the screw 26 is further disposed on the knob 22, and a rotation mark 28 is disposed on the cap 27.
As shown in fig. 1 and 2, two gears 4 and two racks 5 are respectively provided; wherein the content of the first and second substances,
the output shaft 3 is connected with the gear 4 through a connecting rod 29;
one end of the connecting rod 29 is inserted into one of the gears 4;
the other end of the connecting rod 29 passes through the other gear 4 and then is inserted into the output shaft 3;
rod holes matched with the connecting rods 29 are formed in the gear 4 and the output shaft 3; in this embodiment, the cross-sectional shape of the link 29 and the lever hole is hexagonal.
As shown in fig. 1, any one of the first seat 1 and the second seat 2 is provided with a scale mark 30;
the remaining one of the first seat body 1 and the second seat body 2 is provided with an indication mark 31 for cooperating with the scale mark 30 to indicate the position of the first seat body 1 on the second seat body 2; in this embodiment, the graduation mark 30 is disposed on the second seat 2, the indication mark 31 is disposed on the first seat 1, and the indication mark 31 may be an indication arrow.
The working principle of the utility model is as follows:
when the rotating assembly 200 is rotated in the forward direction, the rotating assembly 200 drives the forward driving portion 9 to push the forward roller pins 10 away from the forward inclined surface portion 11 and push the forward roller pins 10 against the forward step portion 8, so as to drive the output shaft 3 to rotate in the forward direction. When the rotating assembly 200 is rotated in the reverse direction, the rotating assembly 200 drives the reverse driving part 13 to push the reverse roller pins 14 away from the reverse inclined plane part 15 and push the reverse roller pins 14 against the reverse step part 12, so as to drive the output shaft 3 to rotate in the reverse direction. The output shaft 3 can drive the gear 4 to rotate when rotating in the forward direction and the reverse direction, and then the first seat body 1 and the second seat body 2 are driven to slide relatively through the matching of the gear 4 and the rack 5. Then, when the rotation of the rotating assembly 200 is stopped, if the first seat 1 slides relative to the second seat 2, the gear 4 is driven to rotate, the gear 4 drives the output shaft 3 to rotate, and when the output shaft 3 rotates in the forward direction, the forward inclined plane portion 11 abuts against the forward roller pin 10 and drives the forward roller pin 10 to abut against the hole wall of the mounting hole 6, so as to lock the output shaft 3; when the output shaft 3 rotates reversely, the reverse inclined surface portion 15 abuts against the reverse roller pin 14 and drives the reverse roller pin 14 to abut against the hole wall of the mounting hole 6 so as to lock the output shaft 3, and further lock the gear 4, and further lock the position of the first seat body 1 relative to the second seat body 2, thereby realizing a self-locking function after the action is in place. The laser demarcation device is arranged on the first seat body 1, the second seat body 2 is arranged on the support, and then the position of the laser demarcation device can be fixed when the laser demarcation device moves to the optimal working position.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (10)
1. A sliding mechanism with a self-locking function is characterized by comprising a first seat body (1), a second seat body (2), an output shaft (3), a driving self-locking device (100), at least one gear (4) and a rack (5) corresponding to the gear (4); wherein the content of the first and second substances,
the first seat body (1) is connected to the second seat body (2) in a sliding manner;
the rack (5) is connected to the second seat body (2);
the gear (4) is rotatably connected to the first seat body (1) and meshed with the corresponding rack (5);
the output shaft (3) is rotationally connected to the first seat body (1) and is connected with the gear (4);
the driving self-locking device (100) is connected with the output shaft (3), and the driving self-locking device (100) is used for driving the output shaft (3) to rotate so as to drive the gear (4) to rotate and drive the first seat body (1) to slide relative to the second seat body (2), and is used for locking the output shaft (3) to prevent the output shaft (3) from rotating when the first seat body (1) slides in place.
2. The sliding mechanism with self-locking function according to claim 1, wherein the driving self-locking device (100) comprises a rotating assembly (200), at least one forward driving locking mechanism and at least one reverse driving locking mechanism; wherein the content of the first and second substances,
a mounting hole (6) is formed in the first seat body (1);
the output shaft (3) extends into the mounting hole (6) and forms a mounting gap (7) with the wall of the mounting hole (6);
the forward driving locking mechanism comprises a forward step part (8), a forward driving part (9), a forward roller pin (10) and a forward inclined plane part (11); wherein the content of the first and second substances,
the forward step part (8), the forward driving part (9), the forward roller pin (10) and the forward inclined plane part (11) are all arranged in the mounting gap (7);
the forward needle roller (10) is positioned between the forward step part (8) and the forward driving part (9);
the positive step part (8) is connected to the output shaft (3);
the forward driving part (9) is connected to the rotating assembly (200);
the positive inclined plane part (11) is connected to the output shaft (3) and is suitable for abutting against the positive roller pin (10) when the output shaft (3) rotates in the positive direction and driving the positive roller pin (10) to abut against the hole wall of the mounting hole (6) so as to lock the output shaft (3);
the reverse driving locking mechanism comprises a reverse step part (12), a reverse driving part (13), a reverse roller pin (14) and a reverse inclined plane part (15); wherein the content of the first and second substances,
the reverse step part (12), the reverse driving part (13), the reverse roller pin (14) and the reverse inclined plane part (15) are arranged in the mounting gap (7);
the reverse needle roller (14) is positioned between the reverse step part (12) and the reverse driving part (13);
the reverse step part (12) is connected to the output shaft (3);
the reverse driving part (13) is connected to the rotating assembly (200);
the reverse inclined plane part (15) is connected to the output shaft (3) and is suitable for abutting against the reverse roller pins (14) when the output shaft (3) rotates reversely and driving the reverse roller pins (14) to abut against the hole wall of the mounting hole (6) so as to lock the output shaft (3);
the rotating assembly (200) is rotatably connected to the first seat body (1), and the rotating assembly (200) is suitable for forward rotation to drive the forward driving part (9) to act to push the forward roller pins (10) away from the forward inclined plane part (11) and push the forward roller pins (10) against the forward step part (8), so as to drive the output shaft (3) to rotate forward; the rotating assembly (200) is further suitable for reversely rotating to drive the reverse driving portion (13) to act so as to enable the reverse roller pins (14) to be ejected away from the reverse inclined surface portion (15) and enable the reverse roller pins (14) to be ejected on the reverse step portion (12), and then the output shaft (3) is driven to reversely rotate.
3. The sliding mechanism with self-locking function according to claim 2, wherein the outer circumference of the output shaft (3) is provided with one or at least two convex ridges (16) which are sequentially distributed along the circumference of the output shaft (3);
protruding stupefied (16) are arranged in installation clearance (7) in the circumference of output shaft (3), one end portion of protruding stupefied (16) is forward step portion (8), another end portion of protruding stupefied (16) is reverse step portion (12).
4. The sliding mechanism with self-locking function according to claim 2, wherein one or at least two convex pad portions (17) are arranged on the outer circumference of the output shaft (3) and distributed in sequence along the circumferential direction of the output shaft (3);
the convex pad part (17) is located in the mounting gap (7), one end part of the convex pad part (17) is provided with the forward inclined plane part (11) and the other end part of the convex pad part (17) is provided with the reverse inclined plane part (15) in the circumferential direction of the output shaft (3).
5. The sliding mechanism with self-locking function according to claim 2, wherein the rotating assembly (200) has one or at least two fork rods (18) distributed in sequence along the circumference of the rotating assembly (200);
the fork rod (18) is located in the installation gap (7), and in the circumferential direction of the rotating assembly (200), one end part of the fork rod (18) is the forward driving part (9), and the other end part of the fork rod (18) is the reverse driving part (13).
6. The sliding mechanism with self-locking function according to claim 2,
at least two convex ridges (16) which are sequentially distributed along the circumferential direction of the output shaft (3) are arranged on the peripheral part of the output shaft (3);
the convex edge (16) is positioned in the mounting gap (7), one end part of the convex edge (16) is the forward step part (8) in the circumferential direction of the output shaft (3), and the other end part of the convex edge (16) is the reverse step part (12);
a convex pad part (17) connected to the output shaft (3) is arranged between any two adjacent convex edges (16);
the convex pad part (17) is positioned in the mounting gap (7), one end part of the convex pad part (17) is provided with the forward inclined plane part (11) and the other end part of the convex pad part (17) is provided with the reverse inclined plane part (15) in the circumferential direction of the output shaft (3);
a fork rod (18) connected to the rotating assembly (200) is further arranged between any two adjacent convex ridges (16);
the fork rod (18) is located in the mounting gap (7), and one end portion of the fork rod (18) is the forward driving portion (9) and the other end portion of the fork rod (18) is the reverse driving portion (13) in the circumferential direction of the output shaft (3).
7. The sliding mechanism with self-locking function according to claim 2, wherein the first seat (1) comprises:
the main body (19), the main body (19) is connected to the second seat body (2) in a sliding manner;
a sleeve (20), the sleeve (20) being connected in the body (19), the output shaft (3) being rotatably connected in the sleeve (20), the mounting hole (6) being provided in the sleeve (20).
8. The sliding mechanism with self-locking function according to claim 2, wherein the rotating assembly (200) comprises a knob (22), a fork (23) and a connecting piece (24); wherein the content of the first and second substances,
the shifting fork (23) is rotatably connected in the mounting hole (6), and the forward driving part (9) and the reverse driving part (13) are connected to the shifting fork (23);
one end of the connecting piece (24) is connected with the shifting fork (23);
the knob (22) is connected to the other end of the connecting member (24).
9. The sliding mechanism with self-locking function according to claim 1, wherein there are two of the gear (4) and the rack (5); wherein the content of the first and second substances,
the output shaft (3) is connected with the gear (4) through a connecting rod (29);
one end of the connecting rod (29) is inserted into one of the gears (4);
the other end of the connecting rod (29) passes through the other gear (4) and then is inserted into the output shaft (3);
and rod holes matched with the connecting rods (29) are formed in the gear (4) and the output shaft (3).
10. The sliding mechanism with self-locking function according to claim 1,
any one of the first seat body (1) and the second seat body (2) is provided with scale marks (30);
and the rest one of the first seat body (1) and the second seat body (2) is provided with an indicating mark (31) which is used for being matched with the scale mark (30) to indicate the position of the first seat body (1) on the second seat body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022378339.9U CN213745925U (en) | 2020-10-22 | 2020-10-22 | Sliding mechanism with self-locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022378339.9U CN213745925U (en) | 2020-10-22 | 2020-10-22 | Sliding mechanism with self-locking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213745925U true CN213745925U (en) | 2021-07-20 |
Family
ID=76852193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022378339.9U Active CN213745925U (en) | 2020-10-22 | 2020-10-22 | Sliding mechanism with self-locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213745925U (en) |
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2020
- 2020-10-22 CN CN202022378339.9U patent/CN213745925U/en active Active
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