CN212765842U - Electric sliding rail transmission system with reinforcing structure - Google Patents
Electric sliding rail transmission system with reinforcing structure Download PDFInfo
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- CN212765842U CN212765842U CN202020948356.9U CN202020948356U CN212765842U CN 212765842 U CN212765842 U CN 212765842U CN 202020948356 U CN202020948356 U CN 202020948356U CN 212765842 U CN212765842 U CN 212765842U
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- slide rail
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- sliding rail
- reinforcing element
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Abstract
The utility model discloses a take additional strengthening's electronic slide rail transmission system, include: an upper slide rail and a lower slide rail which are mutually arranged in a sliding way; and a gear box arranged in the upper sliding rail through a saddle-shaped bracket; the screw rod is arranged in the lower sliding rail and is meshed with a nut in the gear box; still include a configuration in saddle support outer one side and insert the U type inslot of going up the slide rail and play the reinforcing element of reinforcing effect to saddle support, when the protruding assembly of direction among this reinforcing element goes up the reinforcing element installation notch that the slide rail corresponds, interference fit need not weld between the plane of perpendicular to going up the slide rail direction of motion and the cell wall of a perpendicular to going up the slide rail direction of motion in the reinforcing element installation notch in the direction arch, guarantee to produce at collision process saddle support and warp very little or even not produce and warp, guarantee the integrity of whole electronic slide rail traditional system, thereby make the slide rail can normally be adjusted after the collision.
Description
Technical Field
The utility model relates to an electronic slide rail transmission system technical field, in particular to take additional strengthening's electronic slide rail transmission system.
Background
At present, screw drives are used as adjusting devices, which have an adjusting drive arranged on a first vehicle component and a screw arranged on a second vehicle component, which screw extends in the longitudinal direction. From this, move and transfer drive mechanism and lead screw and realized a lead screw drive mechanism, its mode is: the spindle engages with the adjusting gear and the adjusting gear moves along the spindle for adjusting the first vehicle component relative to the second vehicle component.
Such a sliding device can be used, in particular, for longitudinally adjusting a vehicle seat in that: the adjusting gear is arranged, for example, on an upper rail on the seat side and the spindle is arranged on a lower rail fixed to the vehicle body, wherein the adjusting gear is, for example, a spindle nut which is driven for longitudinal adjustment of the vehicle seat and thereby rolls on the spindle in order to adjust the upper rail longitudinally in this way relative to the lower rail.
In the adjusting device known from DE10337475a1, the adjusting gear is fixed on the upper rail of the vehicle seat by means of a U-shaped holding bracket, and the adjusting gear is held in engagement with a stationary spindle by means of a spindle nut. The holding bracket, which follows a U-shaped contour, encompasses the adjusting gear and can be fixed to the upper rail by means of a fixing point. The vehicle seat can be adjusted in its longitudinal position by adjusting the adjustment gear mechanism along a spindle arranged fixedly on the lower running rail.
The vehicle component to be transposed is connected in such a transposition device by means of the transposition transmission and in particular by means of the engagement of the transposition transmission with the associated spindle. Accordingly, the adjusting gear and in particular the coupling of the adjusting gear to the associated first vehicle component must be designed in such a way that: the adjusting gear and the associated first vehicle component can withstand high loads, for example, in the event of a crash, in order to provide a safe, crash-resistant connection between the vehicle components. On the one hand, the coupling of the adjusting gear must be designed to be sufficiently rigid in order to absorb forces. On the other hand, a too rigid coupling has the following disadvantages: in the event of a rear-end collision, for example, collision forces are introduced in a rigid manner into the seat occupant and cause injury to the seat occupant, for example, due to sudden backward movements (schleuderertrauma).
For this reason, there are following patents to add a reinforcing element in the screw transmission mechanism to solve the above technical problem:
with reference to fig. 1, in the solution disclosed in EP2070761a2, the safety element 6, although it prevents the screw drive from deforming, is connected to the cage 5 in the region a, which is not the most effective region, and in the event of a crash, the maximum deformation is in the region B, which is therefore not the best practical reinforcing effect.
Referring to fig. 2 and 3, in the solution disclosed in CN102791518A, the reinforcing component 28 is firmly connected to the guide rail 3 by the first edge section 281, and is engaged with the notch 320 of the rail by the second edge section 282 with the gap C, which affects the rail shape of the guide rail 3 because the reinforcing component 28 is directly fixed to the guide rail 3.
With reference to fig. 4 and 5, in the solution disclosed in US14877821, the safety element 51 is welded to the side of the rail by means of brackets 516, 526, also having an effect on the rail profile, while its connection is adapted to asymmetrical rails, which do not adapt to the symmetrical sliding rails currently prevailing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an electronic slide rail transmission system of area additional strengthening is provided, the utility model discloses strengthen transmission system, guarantee that collision back transmission system stability is unchangeable, and then realize the slide rail and to the adjustable improvement product reliability in back, satisfy the customer demand.
The utility model discloses the technical problem that will solve can realize through following technical scheme:
an electric slide rail transmission system with a reinforcing structure, comprising:
an upper slide rail and a lower slide rail which are mutually arranged in a sliding way; and
the gearbox is installed in the upper sliding rail through a saddle-shaped support; and
the screw rod is arranged in the lower sliding rail and is meshed with a nut in the gear box, and when the screw rod rotates, the nut in the gear box, the gear box and the saddle-shaped bracket drive the upper sliding rail to slide along the lower sliding rail in a reciprocating manner;
the screw rod penetrates through the reinforcing element;
reinforcing element mounting notches are symmetrically formed in two side walls, parallel to the moving direction of the upper sliding rail, of the upper sliding rail; a guide protrusion protruding in a direction parallel to the moving direction of the upper slide rail is arranged on the reinforcing element at a position corresponding to each reinforcing element mounting notch; when the guide projection is assembled in the corresponding reinforcing element mounting groove opening, a plane which is perpendicular to the moving direction of the upper sliding rail in the guide projection is in interference fit with a groove wall which is perpendicular to the moving direction of the upper sliding rail in the reinforcing element mounting groove opening.
In a preferred embodiment of the present invention, a wedge-shaped surface is provided on the guide protrusion along a direction parallel to the moving direction of the upper rail, and plays a role of guiding when the reinforcing member is installed.
In a preferred embodiment of the present invention, a mounting shoulder is symmetrically disposed at a position of the reinforcing member corresponding to two reinforcing member mounting notches, each mounting shoulder is matched with a groove bottom of a corresponding reinforcing member mounting notch to define a mounting position of the reinforcing member in the upper slide rail; the guide protrusion is located between the mounting shoulder and one end, exposed out of the U-shaped groove of the upper sliding rail, of the reinforcing element.
In a preferred embodiment of the present invention, a notch is provided between each mounting shoulder and an end of the reinforcing element exposed from the U-shaped groove of the upper slide rail, and a fitting gap is provided between the notch and the lower slide rail, and the fitting gap allows the balls between the upper and lower slide rails to pass through without any interference to the balls.
In a preferred embodiment of the present invention, the reinforcing member and the saddle-shaped bracket are connected together by welding or gluing.
In a preferred embodiment of the present invention, a hole is formed in the reinforcing member for the screw rod to pass through, and the inner diameter of the hole is larger than the outer diameter of the screw rod, so as to ensure that no interference is generated on the screw rod.
In a preferred embodiment of the present invention, a bending structure is provided at the other end of the reinforcing member for preventing a mistake, and the other end is disposed opposite to the end of the reinforcing member exposed out of the U-shaped groove of the upper slide rail.
Due to the adoption of the technical scheme, when collision happens, the upper sliding rail can drive the whole electric sliding rail system to displace to generate deformation, wherein the deformation of the lower end part of the saddle-shaped support is large, and the saddle-shaped support interferes with the screw rod, so that the sliding rail cannot be adjusted after collision. The utility model discloses increase reinforcing element here, guarantee to produce at collision process saddle support and warp very little or not produce and warp even, guarantee the integrity of whole electronic slide rail tradition system to make the collision back slide rail can normally adjust. In addition, the utility model discloses an need not weld between reinforcing element and the slide rail, it is very little not influenced even to the slide rail influence.
Drawings
Fig. 1 shows a schematic view of the assembly of a safety element with a holder as disclosed in EP2070761a 2.
Fig. 2 and 3 are schematic diagrams of the assembly of the reinforcing component in the technical solution disclosed in CN 102791518A.
Fig. 4 and 5 are schematic views of the assembly of the security element of the solution disclosed in US 14877821.
Fig. 6 is an exploded view of the electric sliding rail transmission system with a reinforced structure according to the present invention.
Fig. 7 is a schematic view illustrating an assembling process of the reinforcing member in the electric sliding rail transmission system with the reinforcing structure according to the present invention.
Fig. 8 is a side view of the assembly of the reinforcing member in the power slide rail transmission system with the reinforcing structure according to the present invention.
Fig. 9 is a bottom view of fig. 8.
Fig. 10 is an assembly front view of a reinforcing member in an electric slide rail transmission system with a reinforcing structure according to the present invention.
Fig. 11 is a schematic view of the assembly among the gear box, the saddle, the lead screw and the reinforcing element in the electric sliding rail transmission system with the reinforced structure according to the present invention.
Fig. 12 is a schematic structural view of a reinforcing member in an electric sliding rail transmission system with a reinforcing structure according to the present invention.
Fig. 13 is a front view of a reinforcing member in an electric slide rail transmission system with a reinforcing structure according to the present invention.
Fig. 14 is a side view of a reinforcing member in an electric slide rail transmission system with a reinforcing structure according to the present invention.
Fig. 15 is a schematic view illustrating a process of assembling the reinforcing member into the upper rail in the electric sliding rail transmission system with the reinforcing structure according to the present invention.
Fig. 16 is a schematic view of the reinforcing member assembled in the upper rail in the electric sliding rail transmission system with a reinforcing structure according to the present invention.
Fig. 17 is a sectional view of the reinforcing member of the electric slide rail transmission system with a reinforcing structure according to the present invention assembled in the upper slide rail.
Fig. 18 is a front view of the reinforcing member of the electric slide rail transmission system with a reinforcing structure according to the present invention assembled in the upper slide rail.
Fig. 19 is a side view of the reinforcing member of the electric slide rail transmission system with a reinforcing structure according to the present invention assembled in the upper slide rail.
Fig. 20 is a top view of the present invention modified from the existing upper slide rail.
Fig. 21 is an enlarged schematic view at I of fig. 20.
Fig. 22 is a side view of the present invention modified to an existing upper slide rail.
Detailed Description
The invention is further described below with reference to the accompanying drawings and the detailed description.
Referring to fig. 6 to 19, the electric slide rail transmission system with a reinforcing structure includes an upper slide rail 100 and a lower slide rail 200 configured to slide with each other, a saddle 300, a gear box 400, and a screw rod 500.
The basic structure of the upper slide rail 100 and the lower slide rail 200 is substantially the same as that of the upper and lower slide rails in the conventional system of the conventional power slide rail. Referring to fig. 20 to 22, a notch 121 is formed on a bottom wall 120 of the U-shaped groove 110 of the upper rail 100 (i.e., a top wall of the upper rail 100).
The whole saddle-shaped support 300 is arranged in the U-shaped groove 110 of the upper slide rail 100 through the gap 121, and after the saddle-shaped support 300 is assembled, the transverse parts 310 and 320 at two sides are fixedly connected with the groove bottom wall 120 in a welding mode. The gear box 400 is fixed in the saddle-shaped groove 330 of the saddle-shaped bracket 300, and holes 341 and 351 are arranged on two vertical walls 340 and 350 of the saddle-shaped bracket 300. The screw rod 500 passes through a nut (not shown) and holes 341 and 351 in the gear box 400 and is meshed with the nut, when the gear in the gear box 400 rotates, the internal gear of the gear box is meshed with the screw rod 500 to rotate, the saddle-shaped support 300 is driven to drive the upper slide rail 100 to slide back and forth along the lower slide rail 200, and the front and back directions of the seat are adjusted. The inner diameters of the holes 341, 351 are larger than the outer diameter of the screw 500 so that the holes 341, 351 do not interfere with the rotation of the screw 500.
Two ends of the screw rod 500 are mounted in the lower slide rail 200 through a screw rod front bracket 510 and a screw rod rear bracket 520, wherein the two ends of the screw rod 500 are respectively and non-rotatably arranged with the screw rod front bracket 510 and the screw rod rear bracket 520, and the screw rod front bracket 510 and the screw rod rear bracket 520 are respectively riveted on the lower slide rail 200 by rivets 511 and 521.
With reference to fig. 20 to 22, two side walls 130 and 140 of the U-shaped groove 110 of the upper slide rail 100 parallel to the moving direction of the upper slide rail 100 are symmetrically provided with reinforcing component mounting notches 131 and 141. The reinforcing member mounting notches 131, 141 are 4mm wide, but are certainly not limited to 4mm and may vary in size.
When collision happens, the upper slide rail 100 can drive the whole electric slide rail system to displace so as to generate deformation, wherein the deformation of the lower end part of the saddle-shaped bracket 300 (namely the joint of the two vertical walls 340 and 350 and the bottom transverse wall 360 of the saddle-shaped bracket 300) is large, and the deformed rail interferes with the screw rod 500, so that the slide rail cannot be adjusted after collision.
For this purpose, the present invention adds a reinforcing member 600 to the outside of the vertical wall 340 or/and the vertical wall 350 of the saddle-shaped bracket 300. The reinforcing member 600 is formed by a punching process using a plate having a thickness of 2mm, but may be formed by a plate having another thickness or by another process. The reinforcing member 600 is welded or glued to the outer side of the vertical wall 340 or/and the vertical wall 350 of the saddle-shaped bracket 300. But may be connected otherwise.
Referring particularly to fig. 12 to 14, the entire reinforcing member 600 has a symmetrical structure, and guide protrusions 610, 610a protruding in parallel to the moving direction of the upper rail 100 are provided on the reinforcing member 600 at positions corresponding to each of the reinforcing member mounting notches 131, 141, and the guide protrusions 610, 610a protrude from one side plate surface 601 of the reinforcing member 600 in parallel to the moving direction of the upper rail 100.
A wedge surface 620, 620a is provided on each guide protrusion 610, 610a along a direction parallel to the moving direction of the upper rail 100, and the wedge surface 620, 620a mainly plays a role of guiding when the reinforcing member 600 is installed. In addition, the wedge-shaped surfaces 620 and 620a form a certain included angle with the surface 601 of one side of the reinforcing element 600, so that the wedge-shaped surfaces can play a good role in supporting the planes 611 and 611a perpendicular to the moving direction of the upper sliding rail in the guide protrusions 610 and 610a, and the supporting strength of the planes 611 and 611a is improved. The distance between the flat surfaces 611, 611a and the other side plate surface 602 of the reinforcing member 600 is in interference with the width of the reinforcing member mounting notches 131, 141, which is also 4mm, in the tolerance setting in interference with the tolerance setting of the width of the reinforcing member mounting notches 131, 141.
A mounting shoulder 630, 630a is symmetrically arranged at the position of the reinforcing member 600 corresponding to the two reinforcing member mounting notches 131, 141, so as to define the mounting position of the reinforcing member 600 in the upper slide rail 100; guide projections 610, 610a are located between mounting shoulders 630, 630a and an end 640 of reinforcing member 600 exposed at U-shaped channel 110 of upper track 100.
A cut 650, 650a is provided between each mounting shoulder 630, 630a and an end 640 of reinforcing element 600 that is exposed at U-shaped slot 110 of upper track 100.
The reinforcing element 600 is provided with a hole 660 for the screw rod 500 to pass through, and the inner diameter of the hole 660 is larger than the inner diameters of the holes 341 and 351 of the saddle-shaped support 300 and the outer diameter of the screw rod 500, so that the saddle-shaped support 300 and the screw rod 500 are ensured not to generate any movement interference.
In order to improve the accuracy of the installation position of the reinforcing member 600 and the installation efficiency, a bending structure 680 is provided at the other end 670 of the reinforcing member 600 for error proofing, and the other end 670 is disposed opposite to the end 640 of the reinforcing member 600 exposed out of the U-shaped groove 110 of the upper rail 100.
Referring to fig. 15 to 19 in particular, after the saddle bracket 300 is mounted in the U-shaped groove 110 of the upper rail 100 through the gap 121 as a whole, the upper rail 100 is reversed such that the U-shaped groove 110 of the upper rail 100 is opened upward, and then the bent structure 680 of the reinforcing member 600 is downwardly inserted into the U-shaped groove 110 of the upper rail 100. When the wedge surfaces 620, 620a of the guide protrusions 610, 610a meet a groove wall 131a, 141a of the reinforcing member mounting notches 131, 141 perpendicular to the moving direction of the upper rail 100, the wedge surfaces 620, 620a guide the entire reinforcing member 600 such that the other side plate surface 602 of the reinforcing member 600 abuts the outer side of the vertical wall 340 or/and the vertical wall 350 of the saddle 300, and the guide protrusions 610, 610a are smoothly guided into the reinforcing member mounting notches 131, 141. After the guide protrusions 610, 610a are smoothly introduced into the reinforcing member mounting notches 131, 141, the mounting shoulders 630, 630a of the reinforcing member 600 are fitted with the groove bottoms of the corresponding reinforcing member mounting notches 131, 141, defining the mounting position of the reinforcing member 600 in the upper slide rail 100, while the flat surfaces 611, 611a of the guide protrusions 610, 610a are interference-fitted with one of the groove walls 131a, 141a of the reinforcing member mounting notches 131, 141 perpendicular to the moving direction of the upper slide rail 100. Finally, one end 640 of the reinforcing element 600 exposed out of the U-shaped groove 110 of the upper slide rail 100 is welded to the vertical wall 340 of the saddle-shaped bracket 300 or/and the joint between the vertical wall 350 and the bottom transverse wall 360.
The lead screw 500 passes through a nut (not shown) and holes 341, 351 in the gear housing 400 and a hole 660 in the reinforcing member 600 and engages with the nut.
After the reinforcing member 600 is installed, a fit clearance a is left between the notches 650 and 650a of the reinforcing member 600 and the lower slide rail 200, and the fit clearance a can accommodate the movement interference between the upper slide rail 100 and the lower slide rail 200.
When the collision takes place, go up slide rail 100 and can drive whole electronic slide rail system and take place the displacement, the produced power of this kind of displacement is conducted on guide protrusion 610, 610a through the cell wall 131a of a perpendicular to last slide rail 100 direction of motion in reinforcing element installation notch 131, 141, guide protrusion 610, 610a atress takes place to warp, absorb impact energy, make impact energy can not conduct on saddle support 300 through reinforcing element 600, guarantee that saddle support 300 produces the deformation very little or even not produce the deformation in the collision process, guarantee the integrity of whole electronic slide rail traditional system, thereby make the slide rail can normally be adjusted after the collision.
The utility model discloses a plane 611, 611a on the guide protrusion 610, 610a among the reinforcing element 600 and the reinforcing element installation notch 131, 141a is perpendicular to cell wall 131a, 141a interference fit of last rail 100 direction of motion, consequently and need not weld or glue between the last rail 100, and the rail type cross-section to last rail 100 influences very little or even does not have the influence.
Claims (7)
1. An electric slide rail transmission system with a reinforcing structure, comprising:
an upper slide rail and a lower slide rail which are mutually arranged in a sliding way; and
the gearbox is installed in the upper sliding rail through a saddle-shaped support; and
the screw rod is arranged in the lower sliding rail and is meshed with a nut in the gear box, and when the screw rod rotates, the nut in the gear box, the gear box and the saddle-shaped bracket drive the upper sliding rail to slide along the lower sliding rail in a reciprocating manner;
the screw rod penetrates through the reinforcing element;
reinforcing element mounting notches are symmetrically formed in two side walls, parallel to the moving direction of the upper sliding rail, of the upper sliding rail; a guide protrusion protruding in a direction parallel to the moving direction of the upper slide rail is arranged on the reinforcing element at a position corresponding to each reinforcing element mounting notch; when the guide projection is assembled in the corresponding reinforcing element mounting groove opening, a plane which is perpendicular to the moving direction of the upper sliding rail in the guide projection is in interference fit with a groove wall which is perpendicular to the moving direction of the upper sliding rail in the reinforcing element mounting groove opening.
2. An electric rail drive system with a reinforcing structure according to claim 1, wherein a wedge-shaped surface is provided on the guide protrusion in a direction parallel to the movement direction of the upper rail to guide the reinforcing member when the reinforcing member is installed.
3. The electric rail transmission system with a reinforcing structure of claim 2, wherein a mounting shoulder is symmetrically arranged at the position of the reinforcing element corresponding to two reinforcing element mounting notches, each mounting shoulder is matched with the groove bottom of the corresponding reinforcing element mounting notch to limit the mounting position of the reinforcing element in the upper rail; the guide protrusion is located between the mounting shoulder and one end, exposed out of the U-shaped groove of the upper sliding rail, of the reinforcing element.
4. An electrically driven sliding rail transmission system with a reinforcing structure as claimed in claim 3, wherein a notch is provided between each mounting shoulder and the end of the reinforcing member exposed out of the U-shaped groove of the upper sliding rail, and a fit clearance is provided between the notch and the lower sliding rail, and the fit clearance is provided for the balls between the upper sliding rail and the lower sliding rail to pass through without any interference of the balls.
5. The electric rail transmission system with a reinforcing structure of any one of claims 1 to 4, wherein the reinforcing member and the saddle bracket are connected together by welding or gluing.
6. An electric rail transmission system with a reinforcing structure as claimed in any one of claims 1 to 4, wherein a hole for the screw rod to pass through is formed on the reinforcing member, and the inner diameter of the hole is larger than the outer diameter of the screw rod to ensure that no interference is generated on the screw rod.
7. An electric rail drive system with a reinforcing structure as claimed in any one of claims 1 to 4, wherein a bent structure is provided at the other end of the reinforcing member for error proofing, the other end being disposed opposite to the end of the reinforcing member exposed out of the U-shaped groove of the upper rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020948356.9U CN212765842U (en) | 2020-05-29 | 2020-05-29 | Electric sliding rail transmission system with reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020948356.9U CN212765842U (en) | 2020-05-29 | 2020-05-29 | Electric sliding rail transmission system with reinforcing structure |
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| Publication Number | Publication Date |
|---|---|
| CN212765842U true CN212765842U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020948356.9U Active CN212765842U (en) | 2020-05-29 | 2020-05-29 | Electric sliding rail transmission system with reinforcing structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060055A (en) * | 2021-03-30 | 2021-07-02 | 恺博(常熟)座椅机械部件有限公司 | Improved sliding rail mechanism |
| CN113459908A (en) * | 2021-08-13 | 2021-10-01 | 浙江龙生汽车部件科技有限公司 | Electric sliding rail of automobile seat and method for resisting deformation of screw rod after collision |
-
2020
- 2020-05-29 CN CN202020948356.9U patent/CN212765842U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060055A (en) * | 2021-03-30 | 2021-07-02 | 恺博(常熟)座椅机械部件有限公司 | Improved sliding rail mechanism |
| CN113459908A (en) * | 2021-08-13 | 2021-10-01 | 浙江龙生汽车部件科技有限公司 | Electric sliding rail of automobile seat and method for resisting deformation of screw rod after collision |
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