CN112008640B - Oblique slider formula locking mechanism - Google Patents
Oblique slider formula locking mechanism Download PDFInfo
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- CN112008640B CN112008640B CN202010824856.6A CN202010824856A CN112008640B CN 112008640 B CN112008640 B CN 112008640B CN 202010824856 A CN202010824856 A CN 202010824856A CN 112008640 B CN112008640 B CN 112008640B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
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Abstract
The invention discloses an inclined slide block type locking mechanism which comprises a sleeve, wherein an inclined slide block is arranged in the sleeve in an axial sliding mode, a sliding guide section is arranged on the inclined slide block, a cylindrical locking head hole is formed in the sleeve, a locking head is inserted into the locking head hole, a guide through hole is formed in the locking head, the sliding guide section of the inclined slide block is inserted into the guide through hole, the inclined slide block is connected with a power device through a transmission device, the power device drives the inclined slide block to slide along the axial direction of the sleeve through the transmission device, and the inclined slide block can drive the locking head to extend out of or retract into the locking head hole when sliding along the axial direction of the sleeve. Its purpose is in order to provide a miniaturized and possess big bearing capacity, can realize the oblique slider formula locking mechanism of reliable unblock under big residual load effect.
Description
Technical Field
The invention relates to the field of mechanical locking, in particular to a locking mechanism used in a rocket ground launching support system.
Background
In the ground launching support system, a locking mechanism needs to be arranged in a narrow space, so that the fixing and limiting effects on the transported products are achieved. The locking mechanism needs to be capable of bearing a larger load and often needs to meet the requirement of reliable unlocking under the action of a larger residual load. Locking mechanisms that are miniaturized and can achieve greater load bearing/unlocking requirements in tight spaces often suffer from two problems: firstly, the miniaturization design of the mechanism is contradictory with the requirement of large bearing capacity, and the extension/retraction mechanism of the screw pair adopted on the existing product is usually large in transverse installation size and cannot meet the requirement of space layout indexes; secondly, the miniaturization design of the mechanism contradicts with the requirement of reliable unlocking, and the realization of reliable unlocking under the action of larger residual load often leads to the overlarge overall design size of the mechanism.
Disclosure of Invention
The invention aims to solve the technical problem of providing an inclined slide block type locking mechanism which is miniaturized, has large bearing capacity and can realize reliable unlocking under the action of large residual load.
The inclined slide block type locking mechanism comprises a sleeve, an inclined slide block is arranged in the sleeve in an axial sliding mode, a sliding guide section is arranged on the inclined slide block, a cylindrical locking head hole is formed in the sleeve, a locking head is arranged in the locking head hole in an inserting mode, a guide through hole is formed in the locking head, the sliding guide section of the inclined slide block is arranged in the guide through hole in an inserting mode, the inclined slide block is connected with a power device through a transmission device, the power device drives the inclined slide block to slide along the axial direction of the sleeve through the transmission device, and the inclined slide block can drive the locking head to extend out of or retract into the locking head hole when sliding along the axial direction of the sleeve.
The inclined slide block type locking mechanism is characterized in that the sliding guide section on the inclined slide block is obliquely arranged, the inclined slide block is also provided with an L-shaped section and a straight section, the L-shaped section comprises a straight section and a vertical section which are fixedly connected, the L-shaped section and the straight section are respectively and fixedly arranged at two ends of the sliding guide section, the straight section of the L-shaped section is fixedly connected with the sliding guide section, the straight section and the straight section of the L-shaped section are both arranged along the axial direction of the sleeve, the L-shaped section and the straight section are respectively positioned at two opposite sides of a lock head, and the straight section is connected with a power device through a transmission device.
According to the inclined slide block type locking mechanism, when the inclined slide block drives the lock head to extend out of the lock head hole, the first inclined side face of the sliding guide section is in sliding abutting contact with the first hole wall of the guide through hole, and when the inclined slide block drives the lock head to retract into the lock head hole, the second inclined side face of the sliding guide section is in sliding abutting contact with the second hole wall of the guide through hole.
The inclined slide block type locking mechanism comprises a first straight hole wall and a first inclined hole wall, wherein the first straight hole wall and the first inclined hole wall are connected with each other, the first straight hole wall is arranged close to an L-shaped section of an inclined slide block, the first inclined hole wall is arranged close to a straight section of the inclined slide block, the second hole wall comprises a second straight hole wall and a second inclined hole wall, the second straight hole wall and the second inclined hole wall are connected with each other, the second straight hole wall is arranged close to a straight section of the inclined slide block, the second inclined hole wall is arranged close to an L-shaped section of the inclined slide block, the first straight hole wall and the second straight hole wall are arranged along the axial direction of a sleeve, a straight section and a straight section of the L-shaped section are accommodated between the first straight hole wall and the second straight hole wall, the first inclined hole wall and the first inclined side face are parallel to each other, the second inclined hole wall and the second inclined hole wall are parallel to each other, and a sliding guide section is accommodated between the first inclined hole wall and the second inclined hole wall.
The invention relates to an inclined slide block type locking mechanism, wherein a transmission device comprises a bearing seat, a nut and a screw rod, the bearing seat and the nut are cylindrical, the nut is rotatably arranged in a cylindrical cavity of the bearing seat through a bearing, one end of the screw rod is fixedly connected to a straight section of an inclined slide block, the other end of the screw rod is in threaded connection with the cylindrical cavity of the nut, one end of the bearing seat is fixedly connected with one end of a straight section, close to the inclined slide block, of a sleeve, the nut is connected with a power device, the power device drives the nut to rotate, and the power device is fixedly arranged at the other end of the bearing seat.
The inclined sliding block type locking mechanism comprises two bearings, wherein the two bearings are respectively arranged at two ends of a bearing seat, the two ends of the bearing seat are respectively a first end and a second end, the first end of the bearing seat is fixedly provided with a first end cover, the first end cover is abutted against the bearing arranged at the first end, the second end of the bearing seat is fixedly provided with a second end cover, the second end cover is abutted against the bearing arranged at the second end, the first end cover is fixedly connected with one end of a straight section, close to an inclined sliding block, of a sleeve, and a power device is fixedly arranged on the second end cover.
According to the inclined slide block type locking mechanism, the power device is a speed reducing motor, an output shaft of the speed reducing motor is inserted into a cylinder cavity of the nut, and the output shaft drives the nut to rotate in a key transmission mode.
The inclined slide block type locking mechanism is characterized in that a guide sliding groove is formed in the inclined slide block, a guide slide block matched with the guide sliding groove is fixedly arranged in a cylinder cavity of the sleeve, the guide slide block is located in the guide sliding groove, the guide sliding groove and the guide slide block are both arranged along the axial direction of the sleeve, a stop block used for stopping the inclined slide block from sliding is fixedly arranged on the cylinder cavity of the sleeve, and the stop block is located at one end, close to the L-shaped section of the inclined slide block, of the sleeve.
According to the inclined slide block type locking mechanism, the inclined slide block is fixedly provided with the guide slide block, the cylinder cavity of the sleeve is internally provided with the guide slide groove matched with the guide slide block, the guide slide block is positioned in the guide slide groove, and the guide slide groove and the guide slide block are both arranged along the axial direction of the sleeve.
The inclined sliding block type locking mechanism is characterized in that one end of an L-shaped section, close to an inclined sliding block, of a sleeve is arranged in a sealing mode, an opening which is axially arranged and used for containing the inclined sliding block and a lock head is formed in the wall of the sleeve, a top cover is fixedly arranged at the opening of the sleeve, and the axis of a lock head hole is obliquely arranged towards the L-shaped section of the inclined sliding block.
The inclined slide block type locking mechanism drives the lock head to extend and retract through the sliding of the inclined slide block, and the contact forms between the lock head and the inclined slide block and between the inclined slide block and the sleeve are surface-to-surface contact, so that the bearing capacity of the locking mechanism is greatly improved; through the sliding pair between the oblique sliding block and the sleeve and the sliding pair between the oblique sliding block and the lock head, the residual load component force of the locked product on the lock head can be reduced, and the unlocking requirement of the locked product under the action of a large residual load on the lock head can be met. Therefore, the invention realizes miniaturization, has large bearing capacity and can realize reliable unlocking under the action of large residual load.
The invention will be further explained with reference to the drawings.
Drawings
FIG. 1 is a perspective view of the diagonal slider locking mechanism of the present invention;
FIG. 2 is a top view of the diagonal slider locking mechanism of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 (with the locking head extended);
FIG. 4 is an enlarged view of a portion of FIG. 3 at C;
FIG. 5 is an enlarged view of a portion of FIG. 3 at D;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 2 (with the locking head retracted);
FIG. 7 is a view showing a connection state between the inclined slider and the lock head according to the present invention;
fig. 8 is a sectional view taken along line B-B of fig. 3.
Detailed Description
As shown in fig. 1, and in conjunction with fig. 2-8, the locking mechanism of the present invention includes a sleeve 2, and the sleeve 2 is arranged in a horizontal direction, i.e. the axial direction of the sleeve 2 is the horizontal direction. An inclined sliding block is arranged in the sleeve 2 in an axial sliding mode, a sliding guide section 12 is arranged on the inclined sliding block, a cylindrical locking head hole 3 is formed in the sleeve 2, the cylindrical wall of the locking head hole 3 protrudes out of the sleeve 2, a locking head 4 is arranged in the locking head hole 3 in an inserting mode, a guide through hole 23 is formed in the locking head 4, the sliding guide section 12 of the inclined sliding block is arranged in the guide through hole 23 in an inserting mode, the inclined sliding block is connected with a power device through a transmission device, the power device drives the inclined sliding block to slide along the axial direction of the sleeve 2 through the transmission device, the inclined sliding block can drive the locking head 4 to extend out of or retract into the locking head hole 3 when sliding along the axial direction of the sleeve 2, and namely the locking head 4 can move linearly along the axis direction of the locking head hole 3.
As shown in fig. 3, the slide guiding section 12 of the oblique sliding block is obliquely arranged, i.e. the upper end of the slide guiding section 12 is inclined to the left relative to the lower end, and in accordance with this, the guiding through hole 23 of the lock head 4 is also obliquely arranged and has the same inclination direction as the slide guiding section 12. The guide through hole 23 and the slide guide section 12 form a sliding pair in an oblique direction, so that the oblique slider can drive the lock head 4 to extend out of or retract into the lock head hole 3 through the sliding pair in the oblique direction when sliding along the axial direction of the sleeve 2. The inclined sliding block is further provided with an L-shaped section and a straight section 13, the L-shaped section comprises a straight section 11 and a vertical section 10 which are fixedly connected, and the straight section 11 and the vertical section 10 are of an integrally formed structure. L type section and straight section 13 are fixed respectively and are located the both ends of slip direction section 12 (be the upper left end and the right lower extreme of slip direction section 12), the straight section 11 of L type section and the upper left end fixed connection of slip direction section 12, the vertical section 10 of L type section is arranged downwards, and straight section 13 is fixed and is located the right lower extreme of slip direction section 12. The L-shaped section, the sliding guide section 12 and the straight section 13 are of an integrally formed structure. The straight sections 11 and 13 of the L-shaped section are both arranged along the axial direction of the sleeve 2 (namely, arranged in the horizontal direction), the L-shaped section and the straight section 13 are respectively positioned at two opposite sides of the lock head 4, and the straight section 13 is connected with a power device through a transmission device.
As shown in fig. 3, when the inclined slider drives the lock head 4 to extend out of the lock head hole 3, the first inclined side surface of the sliding guide section 12 is slidably abutted against the first hole wall of the guide through hole 23, that is, the sliding guide section 12 applies a downward force to the first hole wall of the guide through hole 23 through the first inclined side surface on itself, so that the lock head 4 extends out of the lock head hole 3. The first inclined side is the lower side of the sliding guide section 12, and the first hole wall is the lower hole wall of the guide through hole 23. As shown in fig. 6, when the inclined slider drives the lock head 4 to retract into the lock head hole 3, the second inclined side surface of the sliding guide section 12 slides against the second hole wall of the guide through hole 23, that is, the sliding guide section 12 exerts an upward force on the second hole wall of the guide through hole 23 through the second inclined side surface thereof, so that the lock head 4 retracts upward into the lock head hole 3. The second oblique side is the upper side of the sliding guide section 12, and the second hole wall is the upper hole wall of the guide through hole 23.
As shown in fig. 3 and in conjunction with fig. 6, the first hole wall includes a first straight hole wall 16 and a first inclined hole wall 17 connected to each other, and a smooth transition is formed between the first straight hole wall 16 and the first inclined hole wall 17. The first hole wall 16 is arranged close to the L-shaped section of the oblique slider, i.e. the first hole wall 16 is located to the left of the first hole wall. The first inclined hole wall 17 is arranged close to the straight section 13 of the inclined slider, i.e. the first inclined hole wall 17 is located on the right side of the first hole wall. The second hole wall comprises a second straight hole wall 15 and a second inclined hole wall 14 which are connected with each other, and smooth transition is formed between the second straight hole wall 15 and the second inclined hole wall 14. The second straight hole wall 15 is arranged close to the straight section 13 of the oblique slider, i.e. the second straight hole wall 15 is located on the right side of the second hole wall. The second inclined hole wall 14 is arranged close to the L-shaped section of the inclined slider, i.e. the second inclined hole wall 14 is located on the left side of the second hole wall. The first straight hole wall 16 and the second straight hole wall 15 are both arranged along the axial direction of the sleeve 2, and the straight section 11 and the straight section 13 of the L-shaped section are accommodated between the first straight hole wall 16 and the second straight hole wall 15. The first inclined hole wall 17 is parallel to the first inclined side face, the second inclined hole wall 14 is parallel to the second inclined side face, and the sliding guide section 12 is accommodated between the first inclined hole wall 17 and the second inclined hole wall 14.
The process that the tapered end 4 extends out of the tapered end hole 3 is as follows: as shown in fig. 6 and in conjunction with fig. 3, when the locking head 4 retracts into the locking head hole 3, the straight section 11 of the L-shaped section is located between the first straight hole wall 16 and the second straight hole wall 15, then the power device drives the inclined slider to slide along the axial direction of the sleeve 2 from right to left, the straight section 11 of the L-shaped section is separated from the first straight hole wall 16 and the second straight hole wall 15, and the sliding guide section 12 enters between the first inclined hole wall 17 and the second inclined hole wall 14 from bottom to top. Then, as the oblique slider continues to slide leftward, the first oblique side surface of the sliding guide section 12 slides and abuts against the first oblique hole wall 17, and the first oblique side surface applies a downward force to the first oblique hole wall 17, so that the lock head 4 extends downward out of the lock head hole 3, as shown in fig. 3, after the lock head 4 extends downward out of the lock head hole 3, the sliding guide section 12 is separated from between the first oblique hole wall 17 and the second oblique hole wall 14, and the straight section 13 enters from right to left between the first straight hole wall 16 and the second straight hole wall 15.
The process of retracting the locking head 4 into the locking head hole 3 is as follows: as shown in fig. 3 and fig. 6, when the lock head 4 extends out of the lock head hole 3, the straight section 13 is located between the first straight hole wall 16 and the second straight hole wall 15, then the oblique slider is driven by the power device to slide along the axial direction of the sleeve 2 from left to right, the straight section 13 is separated from between the first straight hole wall 16 and the second straight hole wall 15, and the sliding guide section 12 enters from top to bottom between the first oblique hole wall 17 and the second oblique hole wall 14. Then, as the oblique slider continues to slide rightward, the second oblique side surface of the sliding guide section 12 applies an upward force to the second oblique hole wall 14, so that the lock head 4 retracts upward into the lock head hole 3, as shown in fig. 6, after the lock head 4 retracts into the lock head hole 3, the sliding guide section 12 is separated from between the first oblique hole wall 17 and the second oblique hole wall 14, and the straight section 11 of the L-shaped section enters from left to right between the first straight hole wall 16 and the second straight hole wall 15. As shown in fig. 3 and in combination with fig. 4-7, the transmission device includes a bearing seat 6, a nut 20 and a lead screw 18, the lead screw 18 is a trapezoidal lead screw, the bearing seat 6 and the nut 20 are both in a cylindrical shape, the nut 20 is rotatably mounted in a cylindrical cavity of the bearing seat 6 through a bearing 19, one end (i.e., the left end) of the lead screw 18 is fixedly connected to the straight section 13 of the oblique slider, the lead screw 18 and the oblique slider are in an integrally formed structure, the other end (i.e., the right end) of the lead screw 18 is in threaded connection with the cylindrical cavity of the nut 20, and the lead screw 18 and the nut 20 form a trapezoidal lead screw pair. One end (namely the left end) of the bearing seat 6 is fixedly connected with one end (namely the right end) of the straight section 13, close to the inclined sliding block, of the sleeve 2, the nut 20 is connected with a power device, the power device drives the nut 20 to rotate, and the power device is fixedly arranged on the other end (namely the right end) of the bearing seat 6.
When the barrel cavity of the nut 20 is provided with threads, the threads may be provided in the whole barrel cavity or only in a part of the barrel cavity, and in the present invention, as shown in fig. 3 in combination with fig. 4, the nut 20 is provided with threads only in the left end portion of the barrel cavity. The threaded spindle 18 is screwed to the left end of a nut 20 by means of a thread.
As shown in fig. 3 and 6, two bearings 19 are provided, the two bearings 19 are respectively provided at two ends of the bearing seat 6, the two ends of the bearing seat 6 are respectively a first end (i.e., left end) and a second end (i.e., right end), the first end of the bearing seat 6 is fixedly provided with a first end cap 5, the first end cap 5 abuts against the bearing 19 provided at the first end, the second end of the bearing seat 6 is fixedly provided with a second end cap 7, the second end cap 7 abuts against the bearing 19 provided at the second end, and the first end cap 5 is fixedly connected with one end (i.e., right end) of the straight section 13 of the sleeve 2, which is close to the oblique slider, in a screwing manner, so as to reliably connect the helical sub part and the sliding sub part in the mechanism. And a power device is fixedly arranged on the second end cover 7. The two bearings 19 are respectively and reliably fixed at two ends of the bearing seat 6 through the first end cover 5 and the second end cover 7, and the gap between the bearings 19 is adjusted through the adjusting gaskets at the inner sides of the first end cover 5 and the second end cover 7, so that the nut 20 can smoothly rotate relative to the bearing seat 6 without axial play.
As shown in fig. 3 and fig. 5, the power device is a reduction motor 8, an output shaft 22 of the reduction motor 8 is inserted into the cylindrical cavity of the nut 20, and the output shaft 22 drives the nut 20 to rotate in a key transmission manner.
As shown in fig. 3 and combined with fig. 7 and 8, a guide sliding groove 24 is formed in the oblique sliding block, the guide sliding groove 24 is formed in the vertical section 10 and the straight section 13 of the L-shaped section, a guide sliding block 25 matched with the guide sliding groove 24 is fixedly arranged in the cylinder cavity of the sleeve 2, the guide sliding block 25 is located in the guide sliding groove 24, the guide sliding groove 24 and the guide sliding block 25 are both arranged along the axial direction of the sleeve 2, a stopper 9 for stopping the oblique sliding block from sliding is fixedly arranged on the cylinder cavity of the sleeve 2, and the stopper 9 is located at one end of the L-shaped section, close to the oblique sliding block, of the sleeve 2. The guide runner 24 and the guide slider 25 cooperate to form a sliding guide surface, and the oblique slider can slide horizontally (i.e., axially with respect to the sleeve 2) with respect to the sleeve 2. Of course, the guide sliding groove and the guide sliding block can also be installed reversely, namely, the guide sliding block is fixedly arranged on the inclined sliding block, the guide sliding groove matched with the guide sliding block is arranged in the cylinder cavity of the sleeve 2, the guide sliding block is positioned in the guide sliding groove, and the guide sliding groove and the guide sliding block are both arranged along the axial direction of the sleeve 2.
In the invention, the rotary motion output by the speed reducing motor 8 is converted into the linear motion of the inclined slider through the screw pair, and the inclined sliding pair between the inclined slider and the lock head 4 can convert the horizontal linear motion of the inclined slider into the extending/retracting motion of the lock head 4 relative to the inclined direction of the sleeve 2.
As shown in fig. 1 and in combination with fig. 2, 3 and 6, one end (i.e., the left end) of the L-shaped section of the sleeve 2 close to the oblique slider is hermetically disposed, an opening which is axially disposed and used for accommodating the oblique slider and the lock head 4 is disposed on the wall of the sleeve 2, and a top cover 1 is fixedly disposed at the opening of the sleeve 2 through a bolt connection, so as to achieve a sealing protection effect. The axis of the locking head hole 3 is arranged obliquely towards the direction of the L-shaped section of the oblique sliding block (namely towards the left side).
The inclined slide block type locking mechanism drives the lock head 4 to extend and retract through the sliding of the inclined slide block, and the contact forms between the lock head 4 and the inclined slide block and between the inclined slide block and the sleeve 2 are surface-to-surface contact, so that the bearing capacity of the locking mechanism is greatly improved; through the horizontal sliding pair between the oblique sliding block and the sleeve 2 and the oblique sliding pair between the oblique sliding block and the lock head 4, the residual load component force of the locked product 21 on the lock head 4 can be reduced, so that the unlocking requirement of the locked product 21 on the lock head 4 under the action of large residual load can be met. Therefore, the invention realizes miniaturization, has large bearing capacity and can realize reliable unlocking under the action of large residual load. Meanwhile, the inclined slide block is driven by the lead screw 18, has a self-locking function at any position, and can realize reliable locking of the product 21 by the locking mechanism.
The installation process of the invention is as follows:
as shown in fig. 3 and 6, the tapered end 4 is inserted into the tapered end hole 3 in the sleeve 2, the direction of the guide through hole 23 on the tapered end 4 is adjusted, the lead screw 18 of the oblique slider is firstly inserted into the guide through hole 23 of the tapered end 4, and the position of the tapered end 4 is adjusted, so that the guide chutes 24 on both sides of the oblique slider are aligned with the guide slider 25 in the sleeve 2 and are installed in place in a matching manner. The two ends of the nut 20 are oppositely provided with the bearings 19, the nut 20 is arranged in the bearing seat 6, the bearings 19 at the two ends of the nut 20 are reliably fixed at the two ends of the bearing seat 6 through the first end cover 5 and the second end cover 7 respectively, and the gap of the bearings 19 is adjusted through the adjusting gaskets at the inner sides of the first end cover 5 and the second end cover 7, so that the nut 20 can smoothly rotate relative to the bearing seat 6 without axial play. The nut 20 is screwed on the screw rod 18 on the inclined sliding block by rotating the nut 20, the position of the nut 20 is adjusted, the first end cover 5 is attached to the sleeve 2 and is fixed in a threaded manner, the reducing motor 8 is installed on the second end cover 7, and the output shaft 22 of the reducing motor 8 is reliably connected with the nut 20 through a key. The top cover 1 is fixed on the sleeve 2 by screw joint. And completing the installation work of the inclined slide block type locking mechanism.
The operation method of the invention is as follows:
as shown in fig. 3, the reduction motor 8 is driven to rotate forward, the screw pair drives the inclined slider to move horizontally and linearly leftward, and the inclined sliding pair on the inclined slider drives the lock head 4 to extend out, so that the end surface of the lock head 4 is pressed against the product 21 to achieve a locking effect.
As shown in fig. 6, the reduction motor 8 is driven to rotate reversely, the screw pair drives the inclined slider to move horizontally and linearly to the right, and the inclined slider drives the lock head 4 to retract, so as to complete the unlocking action.
Compared with the prior art, the invention has the beneficial effects that:
the contact forms between the lock head 4 and the inclined sliding block and between the inclined sliding block and the sleeve 2 are surface-to-surface contact, so that the bearing capacity is greatly improved;
through two sliding moving pairs designed in the oblique direction and the horizontal direction, namely the oblique sliding moving pair between the lock head 4 and the oblique sliding block and the horizontal sliding moving pair between the oblique sliding block and the sleeve 2, the residual load component force of the product 21 on the lock head 4 is reduced, so that the unlocking requirement of the product 21 on the lock head 4 under the action of a large residual load is met, the horizontal arrangement of the speed reducing motor 8 can be changed from the original parallel arrangement with the lock head 4, and the overall size in the height direction is reduced;
and thirdly, the trapezoidal lead screw is adopted in the inclined slide block driving mode, the automatic locking function at any position is achieved, and the reliable locking of the product 21 by the locking mechanism can be realized.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (7)
1. The utility model provides an oblique slider formula locking mechanism which characterized in that: comprises a sleeve, an inclined slide block is arranged in the sleeve in an axial sliding manner, a sliding guide section is arranged on the inclined slide block, a cylindrical locking head hole is arranged on the sleeve, a locking head is arranged in the locking head hole in an inserting manner, a guide through hole is arranged on the locking head, the sliding guide section of the inclined slide block is arranged in the guide through hole in an inserting manner, the inclined slide block is connected with a power device through a transmission device, the power device drives the inclined slide block to slide along the axial direction of the sleeve through the transmission device, the inclined slide block can drive the locking head to extend out of or retract into the locking head hole when sliding along the axial direction of the sleeve,
the sliding guide section on the inclined sliding block is obliquely arranged, the inclined sliding block is also provided with an L-shaped section and a straight section, the L-shaped section comprises a straight section and a vertical section which are fixedly connected, the L-shaped section and the straight section are respectively and fixedly arranged at two ends of the sliding guide section, the straight section of the L-shaped section is fixedly connected with the sliding guide section, the straight section and the straight section of the L-shaped section are both arranged along the axial direction of the sleeve, the L-shaped section and the straight section are respectively positioned at two opposite sides of the lock head, and the straight section is connected with the power device through a transmission device,
when the inclined slide block drives the lock head to extend out of the lock head hole, the first inclined side surface of the sliding guide section is in sliding abutment with the first hole wall of the guide through hole, when the inclined slide block drives the lock head to retract into the lock head hole, the second inclined side surface of the sliding guide section is in sliding abutment with the second hole wall of the guide through hole,
the first pore wall comprises a first straight pore wall and a first inclined pore wall which are connected with each other, the first straight pore wall is close to an L-shaped section of the inclined slider and is arranged, the first inclined pore wall is close to a straight section of the inclined slider and is arranged, the second pore wall comprises a second straight pore wall and a second inclined pore wall which are connected with each other, the second straight pore wall is close to a straight section of the inclined slider and is arranged, the second inclined pore wall is close to an L-shaped section of the inclined slider and is arranged, the first straight pore wall and the second straight pore wall are arranged along the axial direction of the sleeve, a straight section and a straight section which are used for accommodating the L-shaped section are arranged between the first straight pore wall and the second straight pore wall, the first inclined pore wall and the first inclined side face are parallel to each other, the second inclined pore wall and the second inclined side face are parallel to each other, and a sliding guide section is arranged between the first inclined pore wall and the second inclined pore wall.
2. The diagonal slider locking mechanism of claim 1, wherein: the transmission device comprises a bearing seat, a nut and a lead screw, wherein the bearing seat and the nut are of a cylindrical shape, the nut is rotatably installed in a cylinder cavity of the bearing seat through a bearing, one end of the lead screw is fixedly connected to a straight section of the inclined sliding block, the other end of the lead screw is in threaded connection with the cylinder cavity of the nut, one end of the bearing seat is fixedly connected with one end of the straight section, close to the inclined sliding block, of the sleeve, the nut is connected with a power device, the power device drives the nut to rotate, and the power device is fixedly arranged at the other end of the bearing seat.
3. The diagonal slider locking mechanism of claim 2, wherein: the bearing is set to two, two the both ends of bearing frame are located respectively to the bearing, the both ends of bearing frame are first end and second end respectively, the first end of bearing frame is fixed and is equipped with first end cover, first end cover offsets with the bearing of locating first end, the second end of bearing frame is fixed and is equipped with the second end cover, the second end cover offsets with the bearing of locating the second end, first end cover and telescopic straight section one end fixed connection who is close to oblique slider, the last fixed power device that is equipped with of second end cover.
4. The diagonal slider locking mechanism of claim 3, wherein: the power device is a speed reducing motor, an output shaft of the speed reducing motor is inserted into a barrel cavity of the nut, and the output shaft drives the nut to rotate in a key transmission mode.
5. The diagonal slider locking mechanism of claim 4, wherein: the oblique sliding block is provided with a guide sliding groove, the sleeve barrel cavity is fixedly provided with a guide sliding block matched with the guide sliding groove, the guide sliding block is located in the guide sliding groove, the guide sliding groove and the guide sliding block are both arranged along the axial direction of the sleeve barrel, the sleeve barrel cavity is fixedly provided with a stop block used for stopping the oblique sliding block from sliding, and the stop block is located at one end of the L-shaped section, close to the oblique sliding block, of the sleeve barrel.
6. The diagonal slider locking mechanism of claim 4, wherein: the oblique sliding block is fixedly provided with a guide sliding block, a guide sliding groove matched with the guide sliding block is arranged in the barrel cavity of the sleeve, the guide sliding block is positioned in the guide sliding groove, and the guide sliding groove and the guide sliding block are arranged along the axial direction of the sleeve.
7. The diagonal slider locking mechanism of claim 5 or 6, wherein: the sliding block locking device is characterized in that one end of the L-shaped section, close to the inclined sliding block, of the sleeve is arranged in a sealing mode, an opening which is axially arranged and used for accommodating the inclined sliding block and the locking head is formed in the wall of the sleeve, a top cover is fixedly arranged at the opening of the sleeve, and the axis of the locking head hole is obliquely arranged towards the L-shaped section of the inclined sliding block.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010824856.6A CN112008640B (en) | 2020-08-17 | 2020-08-17 | Oblique slider formula locking mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010824856.6A CN112008640B (en) | 2020-08-17 | 2020-08-17 | Oblique slider formula locking mechanism |
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| CN112008640A CN112008640A (en) | 2020-12-01 |
| CN112008640B true CN112008640B (en) | 2022-08-02 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2584005B1 (en) * | 1985-07-01 | 1993-05-07 | Carossino Andre | LOCKING DEVICE FOR TEMPORARY WORKPIECE CLAMPING |
| SU1599226A1 (en) * | 1988-06-15 | 1990-10-15 | Предприятие П/Я В-8266 | Die-casting mould for pressure casting |
| CN103252876B (en) * | 2013-04-20 | 2015-08-19 | 宁波方正汽车模具有限公司 | A kind of slotted eye slip key type simple and easy self-locking angled-lift splits ancillary equipment |
| CN104122933B (en) * | 2014-06-30 | 2016-06-22 | 北京航天发射技术研究所 | Visualization retaining mechanism |
| CN209350138U (en) * | 2018-12-26 | 2019-09-06 | 银川西部大森数控技术有限公司 | A kind of inclined-plane self-locking support device |
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