CN111660886A - Slide rail locking device - Google Patents
Slide rail locking device Download PDFInfo
- Publication number
- CN111660886A CN111660886A CN202010680292.3A CN202010680292A CN111660886A CN 111660886 A CN111660886 A CN 111660886A CN 202010680292 A CN202010680292 A CN 202010680292A CN 111660886 A CN111660886 A CN 111660886A
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- CN
- China
- Prior art keywords
- slide rail
- locking device
- cable
- swing rod
- unlocking
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
- B60N2/08—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
- B60N2/0881—Activation of the latches by the control mechanism
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The sliding rail locking device comprises a driving source, a transmission piece, a swing rod, an elastic piece, a locking and unlocking device; the driving source is arranged on the cross beam and can drive the whole locking device to work, two ends of the transmission piece are respectively connected with the driving source and the swing rod, and one end of the swing rod, which is far away from the transmission piece, is connected with the locking and unlocking device.
Description
Technical Field
The invention belongs to the field of vehicles, and particularly relates to a sliding rail locking device.
Background
Need on the existing market that electric seat slide rail need can carry out the large-stroke motion and can realize locking and unblock automatically in the operation process, realize the principle approach of this technique mainly has two kinds at present: the first is a slide rail independent motion mechanism-a screw mechanism: this kind of structure generally applies to the electronic seat slide rail product that is less than 500mm stroke, has double-deck lead screw drive's large stroke seat slide rail on the market, and stroke 680mm, its structure are that the eclipsed form arranges, first layer lead screw stroke 340mm, second floor lead screw stroke 340mm, and the stroke can reach 680mm like this, and this kind of structure size is big, and the structure is complicated, and it is great to need to occupy the space size more than the floor, but lead screw drive also has certain shortcoming: the lead screw is too long, the rigidity is small, and the lead screw is easy to deform under stress, so the stroke is small, and the running speed of the lead screw is low; the second slide rail locking structure is a manual unlocking and manual slide rail moving structure: the mode has large stroke, the locking mode is that the lock pin passively finds the position of the lock hole, the lock pin and the lock hole have certain size, a certain distance is reserved between the lock holes, when the lock pin is aligned with the lock hole, people can be smoothly inserted for locking, and if the position aligned with the lock pin is the interval between the lock holes, the lock pin cannot be locked. The disadvantages of this structure: the manual unlocking and manual moving slide rail cannot realize stepless locking because the lock pin passively finds the lock hole, so the structure cannot be applied to an electric slide rail.
There are two types of existing stepless locking technologies: one refers to patent CN208376583U of the invention, there is also a "pseudo-stepless locking", abbreviated as "step-by-step stepless locking", its realization way is that the lockpin looks for the lockhole locking way, through the electronic control detection, make the lockpin always find the lockhole position, this way because there is interval width between lockholes all the time, therefore can't realize the real stepless locking, this kind of way is with high costs, the precision and protection requirement to the detecting system are very high. Therefore, only by combining the technology of realizing independent movement of the slide rail with the technology of realizing independent stepless locking, the slide rail can move in a large stroke and realize independent automatic stepless locking in the moving process.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a device which can realize large-stroke movement and can realize a single automatic stepless locking function in the movement process.
The purpose of the invention is realized by adopting the following technical scheme. The sliding rail locking device provided by the invention comprises a driving source, a transmission part, a swing rod, an elastic part, a locking and unlocking device, wherein the driving source is connected with the transmission part; the driving source is installed on the crossbeam and can drive whole locking device work, and the both ends of driving medium link to each other with driving source and pendulum rod respectively, and the one end that the driving medium was kept away from to the pendulum rod links to each other with locking and unlocking device.
Further, the driving source is an unlocking motor.
Further, the transmission part comprises a reel, a pull cable guide wheel and a hinge joint.
Further, the reel is installed and can be rotated under the drive of the motor of unblanking on the motor of unblanking, the cable leading wheel is installed on the crossbeam, cable one end is installed on the reel, the other end is walked around the cable leading wheel and is linked to each other with the hinge, the one end that the cable was kept away from to the hinge links to each other with the pendulum rod, be provided with motor mounting hole and cable mounting hole on the reel, the cable both ends all are provided with the installation piece, the installation piece is installed and is connected the cable with the reel in the cable mounting.
Furthermore, the sliding rail locking device also comprises a switch which is arranged on the cross beam and controls the device to lock and unlock.
Further, be provided with motor mounting hole and cable mounting hole on the reel, the cable both ends all are provided with the installation piece, and the installation piece is installed and is connected cable and reel in the cable mounting hole.
Furthermore, a cotter pin through hole for installing a cotter pin is arranged on the output shaft of the unlocking motor.
Furthermore, the elastic part comprises a torsion bar spring which is arranged on the cross beam and is abutted with the oscillating bar.
Furthermore, a swing rod limiting groove for limiting the swing rod is further arranged on the torsion bar spring.
Furthermore, the locking and unlocking device is fixedly connected inside the upper sliding rail, and the upper sliding rail is slidably arranged on the lower sliding rail.
Further, the bottom of the swing rod is connected with a locking and unlocking device.
By means of the technical scheme, the invention has the advantages that: the device can realize large-stroke movement and can realize independent automatic stepless locking in the movement process.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Figure 1 is a schematic structural view of the slide rail locking device of the embodiment,
figure 2 is an exploded schematic view of figure 1,
figure 3 is a schematic structural diagram of a lock shell and a swing rod in the embodiment,
figure 4 is an exploded schematic view of figure 3,
fig. 5 is a schematic structural view of the present embodiment installed in a power seat.
[ reference numerals ]
1-beam, 101-reinforcing plate bar, 102-torsion bar spring fixing hole, 2-cable, 201-mounting block, 3-torsion bar spring, 301-torsion bar spring shaft, 302-torsion bar spring shaft hole, 303-pendulum bar limiting groove, 4-hinge joint, 5-unlocking motor, 501-unlocking motor output shaft, 502-split pin through hole, 6-unlocking motor fixing seat, 7-split pin, 8-reel, 801-motor mounting hole, 802-cable mounting hole, 803-cable limiting groove, 9-pendulum bar, 901-fixing hole, 10-cable guide wheel, 1001-guide wheel shaft, 11-upper slide rail, 12-lock case, 1201-lock case shaft, 1202-lock case limiting groove, 13-lower slide rail and 1301-positioning groove.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects of the slide rail locking device according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
Referring to fig. 1, fig. 2 and fig. 5, the slide rail locking device includes a cross beam 1, an inhaul cable 2, a torsion bar spring 3, an unlocking motor 5 and a lock case 12, wherein two ends of the cross beam 1 are respectively fixedly connected with an upper slide rail 11, and the upper slide rail 11 is in sliding fit with a lower slide rail 13 so as to drive the upper slide rail 11 and the cross beam 1 to slide along the length direction of the lower slide rail; the bottom of the cross beam 1 is fixedly connected with an unlocking motor fixing seat 6, and an unlocking motor 5 is installed on the cross beam 1 through the unlocking motor fixing seat 6; the unlocking motor 5 comprises an unlocking motor output shaft 501 and a cotter through hole 502, one end of the unlocking motor output shaft 501, which is far away from the unlocking motor 5, is provided with a reel 8, the driving source of the embodiment is the unlocking motor 5, and of course, the driving source in other embodiments of the invention can be provided with other driving devices such as an air cylinder and the like; the central position of the reel 8 is provided with a motor mounting hole 801, the upper side and the lower side of the motor mounting hole 801 are provided with two cable mounting holes 802, the reel 8 is further provided with two cable limiting grooves 803, the unlocking motor output shaft 501 penetrates through the motor mounting hole 801, and the cotter pin 7 is inserted into the cotter pin through hole 502.
In the embodiment, one driving source is provided, but two driving sources may be provided in other embodiments of the present invention, and each driving source is connected to the swing link 9 through the cable 2, so as to control the locking and unlocking device connected to the swing link 9.
The two ends of the inhaul cable 2 are provided with cylindrical mounting blocks 201, the mounting block 201 at one end of the inhaul cable 2 is arranged in the inhaul cable mounting hole 802, meanwhile, the inhaul cable 2 is positioned in the inhaul cable limiting groove 803, and the other end of the inhaul cable 2 is connected with one end of the hinge joint 4 through an inhaul cable guide wheel 10; the inhaul cable guide wheel 10 is provided with a screw rod, the screw rod penetrates through a hole in the middle of the inhaul cable guide wheel 10, two ends of the screw rod are respectively welded with the cross beam 1, the positions of the screw rod, which are positioned at two sides of the inhaul cable guide wheel 10, are respectively provided with a check nut, and the check nuts are clamped in a yielding groove formed in the corresponding position of the cross beam 1, so that the inhaul cable guide wheel 10 only can guide the inhaul cable 2 and cannot move; one end of the hinged joint 4 far away from the mounting block 201 is rotatably connected with the top of the swing rod 9, and the bottom of the swing rod 9 is fixedly connected with the upper sliding rail 11.
Two reinforcing plate ribs 101 are welded on the vertical folding edges at the left end and the right end of the cross beam 1, and two reinforcing plate ribs 101 at the same end of the cross beam 1 are correspondingly provided with torsion bar spring fixing holes 102 for mounting a torsion bar spring 3; the ground feet of the torsion bar spring 3 are pressed on the cross beam 1, two ends of a torsion bar spring shaft 301 respectively pass through a torsion spring shaft hole 302 and a torsion bar spring fixing hole 102, and then the torsion bar spring shaft is fixed with the cross beam 1 through nuts; the top of the torsion bar spring 3 is provided with a swing rod limiting groove 303, the swing rod 9 is positioned in the swing rod limiting groove 303, and the swing rod can only rotate around one direction through the cooperation of the swing rod and the swing rod; in the unlocking process, the unlocking motor 5 rotates to drive the winding wheel 8 to wind, the inhaul cable 2 pulls the swing rod 9 to rotate towards the inhaul cable guide wheel 10, the swing rod 9 presses the torsion bar spring 3, the ground feet of the torsion bar spring 3 are limited by the cross beam, the torsion bar spring 3 deforms along with the rotation of the swing rod 9, and the swing rod 9 is driven to restore to the original position by the spring force in the torsion bar spring 3 at the moment.
Referring to fig. 3 to 5, the lock case 12 includes a lock case shaft 1201 and a swing rod limiting groove 1202, fixing holes 901 are formed at both upper and lower ends of the swing rod 9, and the lower end of the swing rod 9 is installed in the swing rod limiting groove 1202 and fixed by a bolt, so that the swing rod 9 can drive the lock case shaft 1201 to rotate when rotating around the lock case shaft 1201. When locking is needed, the swing rod 9 rotates to drive the lock case shaft 1201 to rotate, so that the lugs of the lock plate in the lock case 12 are inserted into the positioning grooves 1302 on the two sides of the lower slide rail 13, the upper slide rail 11, the cross beam 1 connected with the upper slide rail and the device mounted on the upper slide rail are prevented from sliding to lock, when unlocking is needed, the lugs of the lock plate are driven by the swing rod 9 to withdraw from the positioning grooves 1302 on the two sides of the lower slide rail 13, and the locking and unlocking device for locking and unlocking by inserting the lugs of the lock plate into the positioning grooves is the prior art and is not described in detail herein.
The beam 1 is also provided with a switch for controlling the device to lock and unlock, the switch can be a proximity switch, a touch switch, a photoelectric switch and the like, the switch is arranged at the position of two sides of the beam 1 close to the swing rod 9, the device is controlled to lock and unlock by controlling the rotation angle of the swing rod 9, of course, the switch can also control the device to lock and unlock by controlling the winding turns of the unlocking motor 5 to drive the reel 8, and the switch can also control the device to lock and unlock by controlling the rotation angle of the output shaft of the driving source.
The two sides of the beam 1 are all provided with the inhaul cable 2, the torsion bar spring 3, the hinged joint 4, the inhaul cable guide wheel 10 and the lock shell 12, and the installation modes are all the same.
The working principle of the slide rail locking device is as follows:
when the lock is locked, the unlocking motor 5 is turned on, the unlocking motor 5 rotates to drive the reel 8 to wind the inhaul cable 2, so that the inhaul cable 2 is wound in the inhaul cable limiting groove 803, and at the moment, the inhaul cable 2 is wound and can drive the swing rod 9 to rotate around the lock shell shaft 1201 through the hinge joint 4, so that the lugs of the lock plate in the lock shell 12 are inserted into the positioning grooves 1302 on the two sides of the lower sliding rail 13 to complete locking operation; during unlocking, the unlocking motor 5 rotates in the direction opposite to the locking direction, the reel 8 drives the pull cable 2 to pay off, the pull cable 2 loses the pulling force on the swing rod 9, the swing rod 9 resets under the action of the torsion bar spring 3, and the swing rod 9 rotates around the lock shell shaft 1201 in the direction opposite to the locking direction, so that the lug of the locking plate inserted into the positioning groove is retracted, and unlocking is completed.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art can make any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the present invention without departing from the scope of the present invention, and still fall within the scope of the present invention.
Claims (10)
1. Slide rail locking device, its characterized in that: comprises a driving source, a transmission piece, a swing rod, an elastic piece, a locking device and an unlocking device; the driving source is installed on the crossbeam and can drive whole locking device work, and the both ends of driving medium link to each other with driving source and pendulum rod respectively, and the one end that the driving medium was kept away from to the pendulum rod links to each other with locking and unlocking device.
2. The slide rail locking device according to claim 1, wherein: the driving source is an unlocking motor.
3. The slide rail locking device according to claim 1, wherein: the driving medium includes reel, cable leading wheel and articulated joint.
4. The slide rail locking apparatus according to any one of claims 1 to 3, wherein: the reel is installed and to be rotated under the drive of the motor of unblanking on the motor of unblanking, the cable leading wheel is installed on the crossbeam, cable one end is installed on the reel, the other end is walked around the cable leading wheel and is linked to each other with the hinge, the one end that the cable was kept away from to the hinge links to each other with the pendulum rod, be provided with motor mounting hole and cable mounting hole on the reel, the cable both ends all are provided with the installation piece, the installation piece is installed and is connected cable and reel in the cable mounting.
5. The slide rail locking device according to claim 3, wherein: the sliding rail locking device also comprises a switch which is arranged on the cross beam and used for controlling the device to lock and unlock.
6. The slide rail locking device according to claim 4, wherein: and a cotter pin through hole for installing a cotter pin is arranged on the output shaft of the unlocking motor.
7. The slide rail locking device according to claim 1, wherein: the elastic part comprises a torsion bar spring which is arranged on the cross beam and is abutted with the swing rod.
8. The slide rail locking device according to claim 1, wherein: the torsion bar spring is also provided with a swing rod limiting groove for limiting the swing rod.
9. The slide rail locking device according to claim 8, wherein: the locking and unlocking device is fixedly connected inside the upper sliding rail, and the upper sliding rail is slidably arranged on the lower sliding rail.
10. The slide rail locking device according to claim 1, wherein: the bottom of the swing rod is connected with the locking and unlocking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010680292.3A CN111660886A (en) | 2020-07-15 | 2020-07-15 | Slide rail locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010680292.3A CN111660886A (en) | 2020-07-15 | 2020-07-15 | Slide rail locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111660886A true CN111660886A (en) | 2020-09-15 |
Family
ID=72392377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010680292.3A Pending CN111660886A (en) | 2020-07-15 | 2020-07-15 | Slide rail locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111660886A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742833A (en) * | 2020-12-24 | 2021-05-04 | 安徽永茂泰铝业有限公司 | Aluminum alloy workshop environmental protection system |
-
2020
- 2020-07-15 CN CN202010680292.3A patent/CN111660886A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742833A (en) * | 2020-12-24 | 2021-05-04 | 安徽永茂泰铝业有限公司 | Aluminum alloy workshop environmental protection system |
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