CN211543310U - Slide rail clearance eliminating structure - Google Patents
Slide rail clearance eliminating structure Download PDFInfo
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- CN211543310U CN211543310U CN202020022169.8U CN202020022169U CN211543310U CN 211543310 U CN211543310 U CN 211543310U CN 202020022169 U CN202020022169 U CN 202020022169U CN 211543310 U CN211543310 U CN 211543310U
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- slide rail
- rail
- lever
- sliding rail
- upper sliding
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Abstract
The utility model relates to a slide rail clearance elimination structure, it disposes between last slide rail and lower slide rail, be equipped with locking portion between the two, this elimination structure includes butt portion, lever spare and elastic component, butt portion is two of relative arrangement in slide rail both sides down, each butt portion all extends the setting along the length direction of long slide rail, lever spare is for locating at least a set of on the slide rail, the lever spare of every group is two of relative arrangement in last slide rail both sides, and each lever spare all has the bearing end and the top push end of relative arrangement, the elastic component is for disposing a plurality of between the bearing end of each side lever spare and last slide rail respectively, and have the support pressure to the bearing end, so that the top push end perk and butt. The utility model discloses can keep slide rail and lower slide rail looks butt in vertical direction, can maintain centering between the two on the horizontal direction again simultaneously and arrange, can effectively eliminate the clearance between the upper and lower slide rail from this, and can effectively prevent to take place the abnormal sound, and simple structure, the assembly of being convenient for.
Description
Technical Field
The utility model relates to a vehicle seat technical field, in particular to can be applied to slide rail clearance elimination structure on the vehicle seat slide rail.
Background
The vehicle seat slide rail generally includes an upper slide rail and a lower slide rail, wherein the lower slide rail is connected to a vehicle body floor, the upper slide rail can slide along the lower slide rail to adjust a position of the vehicle seat, and a locking portion is provided between the upper slide rail and the lower slide rail, and the locking portion can lock the upper slide rail and the lower slide rail. At present, for a seat slide rail with a longer stroke, the length of a lower slide rail is longer, the precision control is poorer, so that the problem of overlarge gap between an upper slide rail and the lower slide rail is easy to occur, and abnormal sound is caused. Therefore, a rail clearance eliminating structure is generally disposed between the rails having a long stroke. However, due to the unreasonable structural design, the existing gap eliminating structure has the disadvantages of more parts, complex structure, higher cost, inconvenience in assembly, poor effect of eliminating the gap between the upper sliding rail and the lower sliding rail and incapability of effectively avoiding abnormal sound.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a slide rail clearance eliminating structure, which has a simple structure and is easy to assemble, and can effectively eliminate the clearance between the upper and lower slide rails and effectively prevent abnormal sound.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a slide rail clearance eliminating structure is configured between an upper slide rail and a lower slide rail so as to eliminate a clearance between the upper slide rail and the lower slide rail, the lower slide rail is fixedly arranged, the upper slide rail is constrained in the lower slide rail and can slide along the lower slide rail, a locking part is arranged between the upper slide rail and the lower slide rail, the locking part can form a locking part for relative sliding between the upper slide rail and the lower slide rail, and the slide rail clearance eliminating structure comprises:
the two abutting parts are oppositely arranged on two sides of the lower sliding rail, and each abutting part extends along the length direction of the lower sliding rail;
the lever members are arranged on at least one group of the upper sliding rail, the lever members of each group are two lever members which are oppositely arranged on two sides of the upper sliding rail, and each lever member is provided with a bearing end and a pushing end which are oppositely arranged;
the elastic piece is respectively configured at each side of the bearing end of the lever piece and the plurality of the upper sliding rails, the elastic piece has the abutting pressure on the bearing end so as to enable the pushing end to be tilted and abutted against the abutting portion, and the lower sliding rails have the acting force applied to the upper sliding rails due to the abutting pressure, so that the upper sliding rails are maintained in the vertical direction and abutted against the lower sliding rails, and the upper sliding rails and the lower sliding rails are maintained in the horizontal direction and are arranged in a centering way.
Furthermore, the pushing end is composed of a roller which is rotatably arranged on the lever member.
Furthermore, the lever piece is clamped on the upper sliding rail.
Furthermore, an outward flange is constructed on the upper slide rail, a clamping groove is formed on the outward flange, and the lever member is clamped in the clamping groove through a lever shaft fixedly arranged on the lever member.
Furthermore, a limiting part for limiting the lever shaft to be separated from the clamping groove is constructed at the notch of the clamping groove.
Furthermore, the clamping groove is an arc-shaped groove which is bent towards one side of the elastic part, and the limiting part is formed by the groove wall of the arc-shaped groove.
Furthermore, a plurality of pulleys which are in sliding butt joint with the lower sliding rail are respectively arranged on the two opposite sides of the upper sliding rail.
Furthermore, the lever members are two groups arranged on the upper slide rail and are respectively arranged at two ends of the upper slide rail, and the elastic member is a linear spring with the middle part hooked on the upper slide rail and two ends respectively abutting against the bearing ends at the corresponding ends.
Furthermore, the locking portion is rotationally arranged on the upper slide rail through the rotating shaft, an elastic return piece is arranged between the rotating shaft and the upper slide rail, the locking portion can rotate relative to the upper slide rail due to bearing external force so as to remove locking between the upper slide rail and the lower slide rail, and the locking portion can be formed by restoring force of the elastic return piece to lock between the upper slide rail and the lower slide rail.
Further, the abutting part is an abutting inclined plane formed on the lower slide rail.
Compared with the prior art, the utility model discloses following advantage has:
slide rail clearance elimination structure, support the lever spare of pressing on the bearing end through setting up, can make the top push end perk all the time, thereby can make the top push end remain all the time with butt portion between the butt, and then can keep slide rail and lower slide rail looks butt in vertical direction, can maintain centering arrangement between the two again simultaneously on the horizontal direction, make the slide rail clearance elimination structure of this embodiment to eliminate from this, the clearance between the lower slide rail has better elimination effect, and can effectively prevent to go up, take place the abnormal sound between the lower slide rail, and this clearance elimination structure is compared in prior art, moreover, the steam generator is simple in structure, and the assembly of being convenient for.
And simultaneously, the utility model discloses a top pushes away the end and comprises the gyro wheel, can reduce the frictional force between last slide rail and the lower slide rail. And the lever piece is clamped on the upper sliding rail, so that the structure is simple and the assembly is convenient. In addition, set up spacing portion, can effective mode lever shaft deviate from in by the draw-in groove to can improve the fastness that the lever spare set up on last slide rail. And the spacing portion is formed by the groove wall of the arc-shaped groove, so that the structure is simple, and the design and implementation are convenient.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of a sliding rail clearance eliminating structure according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an upper slide rail, a lever member and a locking portion according to an embodiment of the present invention;
fig. 3 is an exploded view of the slide rail clearance elimination structure according to the embodiment of the present invention;
fig. 4 is a schematic structural view of an upper slide rail according to an embodiment of the present invention;
fig. 5 is a side view of an upper rail according to an embodiment of the present invention;
fig. 6 is an assembly diagram of the reinforcing plate and the upper slide rail according to the embodiment of the present invention;
fig. 7 is a schematic structural diagram of a reinforcing plate according to an embodiment of the present invention;
FIG. 8 is an exploded view of the torsion spring, lever member and folded plate according to the embodiment of the present invention;
fig. 9 is a schematic structural view of a reinforcing plate according to an embodiment of the present invention;
fig. 10 is an exploded view of the force applied by the lower slide rail to the upper slide rail according to the embodiment of the present invention;
description of reference numerals:
1-lower slide rail;
2-an upper slide rail, 201-a folded plate, 202-a hanging lug, 203-a first clamping hole, 204-an outward flanging, 2041-a clamping groove, 2042-a notch, 205-an installation groove, 206-a hollow part and 207-a connecting lug;
3-reinforcing plate, 4-roller and 5-pulley;
6-lever piece, 601-main board, 602-lower flanging, 603-lever shaft, 604-upper flanging;
7-linear spring, 8-torsion spring, 9-rotating shaft and 10-pawl.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, it should be noted that the gap elimination of the present embodiment specifically means that the gap between the upper slide rail and the lower slide rail in the vertical direction is zero, and the gap between the upper slide rail and the lower slide rail in the horizontal direction is arranged in a centered manner, and the gap between the upper slide rail and the lower slide rail is within the design range and is close to zero.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The present invention relates to a slide rail gap eliminating structure, which is disposed between an upper slide rail and a lower slide rail to eliminate a gap therebetween, wherein the lower slide rail is fixedly disposed, the upper slide rail is constrained in the lower slide rail and can slide along the lower slide rail, and a locking portion is disposed between the upper slide rail and the lower slide rail, and the locking portion can form a lock for relative sliding between the upper slide rail and the lower slide rail.
The slide rail clearance eliminating structure of the embodiment mainly comprises an abutting part, a lever part and an elastic part on the whole. Wherein, butt portion specifically is two of relative arrangement in slide rail both sides down, and each butt portion all extends the setting along the length direction of long slide rail. The lever spare is for locating at least one set of on the last slide rail, and the lever spare of every group is two of the relative arrangement in last slide rail both sides, and each lever spare all has bearing end and the top of relative arrangement to push away the end. The elastic pieces are respectively arranged between the bearing ends of the side lever pieces and the upper sliding rail, the elastic pieces have the pressing force on the bearing ends so that the pushing ends are tilted to be abutted against the abutting parts, the lower sliding rail has the acting force applied on the upper sliding rail due to the abutting, the upper sliding rail is kept abutted against the lower sliding rail in the vertical direction, and the centering arrangement between the upper sliding rail and the lower sliding rail is kept in the horizontal direction.
This embodiment slide rail clearance elimination structure, support the lever spare of pressing on the bearing end through the setting, can make the top push end perk all the time, thereby can make the top push end remain all the time with butt portion between the butt, and then can keep slide rail and lower slide rail looks butt in vertical direction, can maintain centering arrangement between the two again simultaneously on the horizontal direction, make the slide rail clearance elimination structure of this embodiment to eliminate from this, the clearance between the lower slide rail has better elimination effect, and can prevent effectively that the up, take place the abnormal sound between the lower slide rail, and this clearance elimination structure is compared in prior art, moreover, the steam generator is simple in structure, and the assembly of being convenient for.
Based on the above design concept, an exemplary structure of the slide rail clearance elimination structure of the present embodiment is shown in fig. 1 to 3, wherein the structure of the lower slide rail 1 is as shown in fig. 1, which is a straight strip-shaped structure extending in the cross section shown in fig. 1 as a whole, the lower slide rail 1 is a symmetrical structure in the width direction and includes two side walls arranged oppositely, and a bottom wall connecting the two side walls, and the free ends of the two side walls are configured to be bent inward. The abutting portion in this embodiment is an abutting inclined surface formed at the bent portion of each side wall and inclined with respect to the bottom wall. Wherein, the inclination angle of the abutting inclined plane can be adjusted correspondingly according to specific conditions.
The upper rail 2 is also symmetrical in the width direction as shown in fig. 4 and 5, and the upper rail 2 includes a main body in the middle and two flaps 201 disposed on two opposite sides of the main body and connected with the main body in a bending manner, and the main body forms a cavity with a bottom opening. In addition, as shown in fig. 4, an outward-turned hanging lug 202 is configured at the middle of each folding plate 201 in the length direction, two outward-turned edges 204 are respectively configured on each folding plate 201 and are oppositely arranged, and a clamping groove 2041 and a notch 2042 which are adjacently arranged are respectively formed on each outward-turned edge 204. The locking groove 2041 is used for locking the lever shaft 603, and a limiting portion for limiting the lever shaft 603 to be released from the locking groove 2041 is formed at a notch of the locking groove 2041. As shown in fig. 4, the locking groove 2041 is configured as an arc-shaped groove bending toward the hanging lug 202, and the limiting portion is specifically formed by a groove wall of the arc-shaped groove.
In addition, as shown in fig. 4, a hollow portion 206 is formed on one side wall of the main body, and the main body is formed with two engaging lugs 207 protruding outwards at two edges of the hollow portion 206, and each of the engaging lugs 207 is formed with a shaft hole for mounting a rotating shaft 9 described below. In addition, two mounting grooves 205 penetrating along the width direction are respectively formed at two ends of the upper rail 2 in the length direction, and as shown in fig. 5 and fig. 6 in combination with fig. 1, at the positions of the mounting grooves 205, reinforcing plates 3 are respectively fixedly connected to two sides of the upper rail 2, and pulleys 5 are rotatably arranged on the reinforcing plates 3.
The structure of the reinforcing plate 3 is shown in fig. 7, which has long side plates adapted to be arranged on one side wall of the main body and short side plates adapted to be arranged on the flanged edge 204, and mounting shafts are inherent to the short side plates, on which the pulleys 5 are rotatably arranged. As shown in fig. 1, in an assembled state, the long side plate is attached to the main body side wall, the short side plate is attached to the outward turned edge 204, the pulley 5 is located in the installation groove 205, and the upper sliding rail 2 is attached to the lower sliding rail 1 via the pulley 5 and slides along the lower sliding rail 1.
As a preferred embodiment, the lever members 6 of the present embodiment are specifically two groups, four in total, disposed on the upper slide rail 2, and are respectively disposed on the outward flanges 204. The structure of the lever member 6 is shown in fig. 8, which has a main plate 601 disposed adjacent to the flange 204, and the bottom of the main plate 601 is bent to one side, so as to improve the structural strength of the lever member 6. In addition, a lever shaft 603 penetrating the main plate 601 is fixedly connected to the main plate 601, and an upper flange 604 is formed at the top of the main body corresponding to the lever shaft 603. As shown in fig. 9, the lever member 6 of the present embodiment is clamped in the clamping groove 2041 via the lever shaft 603, so as to clamp the lever member 6 on the upper slide rail 2, and during specific operation, the upper flange 604 can be abutted against the upper slide rail 2 to limit the rotation of the lever member 6.
In addition, based on the above structure of the locking groove 2041, when the lever shaft 603 is locked in the locking groove 2041, the top of the lever shaft can abut against the wall of the arc-shaped groove, so that the lever shaft can be prevented from being separated from the arc-shaped groove. In addition, for the convenience of manufacturing, the lever shaft 603 of the embodiment specifically uses a stepped screw. Of course, the lever shaft 603 may have other structures besides the stepped screw. It should be noted that, the lever member 6 of the present embodiment may be provided in one set instead of two sets, and at this time, the lever member 6 is preferably disposed in the middle of the upper slide rail 2 in the length direction.
The force bearing end is specifically composed of a downward flange 602 constructed on the main plate 601, the pushing end is composed of a roller 4 rotatably arranged on the main plate 601 adjacent to the lever shaft 603, and when the lever member 6 is clamped on the upper slide rail 2, the roller 4 is located at the notch 2042. The roller 4 is in contact with the contact inclined plane, so that when the upper slide rail 2 slides along the lower slide rail 1, the friction force generated by the contact between the upper slide rail 2 and the lower slide rail is reduced, and the sliding of the upper slide rail 2 is facilitated. Structurally, the main board 601 is fixedly connected with a rivet, and the roller 4 is rotatably arranged on the rivet. It should be noted that the force-bearing end of the present embodiment may be formed by a slide block fixed on the main board 601 in addition to the roller 4, but this structure will increase the friction between the upper slide rail 2 and the lower slide rail 1, so that the upper slide rail 2 is not convenient to slide. The elastic element is specifically two linear springs 7 respectively disposed on two sides of the upper slide rail 2, and the middle portion of each linear spring 7 is hooked on the hanging lug 202, and two ends of each linear spring respectively abut against the lower flanges 602 of the corresponding end.
It should be noted that, during the specific manufacturing and installation, when the lever member 6 is installed on the upper slide rail 2, the lower flange 602 is higher than the hanging lug 202 of the upper slide rail 2, so that the middle portion of the linear spring 7 is hooked on the hanging lug 202, and the two ends of the linear spring are pressed against the lower flanges 602 at the two ends, so that the roller 4 can tilt and abut against the abutting inclined plane. In addition, the elastic member of the present embodiment may be a torsion spring 8, a coil spring, a tension spring, or other members capable of increasing the elastic force, instead of the linear spring 7.
In addition, in order to lock the upper rail 2 and the lower rail 1, as shown in fig. 1 and 4, a plurality of first engaging holes 203 and second engaging holes are formed in the upper rail 2 and the lower rail 1 at intervals along the respective longitudinal directions. The locking part of this embodiment is a pawl 10 rotatably disposed on the upper rail 2 via a shaft 9, and an elastic return member is disposed between the pawl 10 and the upper rail 2. Specifically, referring to fig. 1 and 3, the rotating shaft 9 is fixedly disposed through the two engaging lugs 207, and the specific structure of the pawl 10 is similar to the prior art, and the pawl has two oppositely disposed ear plates, and the two ear plates are sleeved on the rotating shaft 9 and clamped outside the two engaging lugs 207.
The elastic return part is a torsion spring 8, the middle part of which is rotatably arranged on the rotating shaft 9, and two ends of which are respectively abutted between the upper sliding rail 2 and the pawl 10. With such an arrangement, under the elastic action of the torsion spring 8, the pawl 10 can be engaged into the first engaging hole 203 and the second engaging hole which are overlapped with each other, so as to lock the upper slide rail 2 and the lower slide rail 1, and the pawl 10 can rotate relative to the upper slide rail 2 due to receiving an external force, so as to be disengaged from the first engaging hole 203 and the second engaging hole, thereby releasing the locking between the upper slide rail 2 and the lower slide rail 1. Wherein, the locking structure and the locking principle between the upper slide rail 2 and the lower slide rail 1 of this embodiment are similar to the prior art, and the prior art can be referred to during specific manufacturing. It should be noted that, in addition to the torsion spring 8, the elastic return element of the present embodiment may also adopt other structures such as a tension spring or a compression spring.
Based on the above overall description and with reference to fig. 10, the slide rail clearance elimination structure of the present embodiment can make the roller 4 always tilt to meet the abutting slope of the lower slide rail 1 by providing the linear spring 7 and the lever member 6, and the lower slide rail 1 has two vertical downward acting forces F applied to the upper slide rail 2 due to the symmetrical arrangement of the roller 4 and the abutting slope1And two horizontal forces F in equilibrium2Therefore, the upper slide rail 2 and the lower slide rail 1 can be always abutted in the vertical direction to eliminate the gap in the vertical direction, and meanwhile, the centering arrangement between the upper slide rail 2 and the lower slide rail 1 can be maintained in the horizontal direction, so that abnormal sound can be effectively prevented from occurring between the upper slide rail 2 and the lower slide rail 1.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A slide rail clearance eliminating structure is configured between an upper slide rail (2) and a lower slide rail (1) to eliminate a clearance between the upper slide rail and the lower slide rail, the lower slide rail (1) is fixedly arranged, the upper slide rail (2) is constrained in the lower slide rail (1) and can slide along the lower slide rail (1), a locking part is arranged between the upper slide rail (2) and the lower slide rail (1), and the locking part can form a locking part for relative sliding between the upper slide rail (2) and the lower slide rail (1), and the slide rail clearance eliminating structure is characterized by comprising:
the two abutting parts are oppositely arranged at two sides of the lower sliding rail (1), and each abutting part extends along the length direction of the lower sliding rail (1);
the lever members (6) are at least one group arranged on the upper sliding rail (2), the lever members (6) of each group are two in relative arrangement on two sides of the upper sliding rail (2), and each lever member (6) is provided with a bearing end and a pushing end in relative arrangement;
the elastic piece is respectively configured on each side, the force bearing end of the lever piece (6) and the plurality of upper sliding rails (2) are arranged, the elastic piece has butt to the force bearing end, so that the pushing end tilts and abuts against the abutting part, the lower sliding rails (1) have acting force applied to the upper sliding rails (2) due to the butt, the upper sliding rails (2) are maintained in the vertical direction and abut against the lower sliding rails (1), and the upper sliding rails (2) and the lower sliding rails (1) are maintained in the horizontal direction in a centering manner.
2. The slide rail clearance elimination structure of claim 1, wherein: the pushing end is composed of a roller (4) which is rotatably arranged on the lever member (6).
3. The slide rail clearance elimination structure of claim 1, wherein: the lever piece (6) is clamped on the upper sliding rail (2).
4. The slide rail clearance elimination structure of claim 3, wherein: an outward-turned edge (204) is formed on the upper sliding rail (2), a clamping groove (2041) is formed in the outward-turned edge (204), and the lever piece (6) is clamped in the clamping groove (2041) through a lever shaft fixedly arranged on the lever piece.
5. The slide rail clearance elimination structure of claim 4, wherein: and a limiting part for limiting the lever shaft to be separated from the clamping groove (2041) is constructed at the notch of the clamping groove (2041).
6. The slide rail clearance elimination structure of claim 5, wherein: the clamping groove (2041) is an arc-shaped groove which is bent towards one side of the elastic piece, and the limiting part is formed by the groove wall of the arc-shaped groove.
7. The slide rail clearance elimination structure of claim 1, wherein: and a plurality of pulleys (5) which are in sliding butt joint with the lower sliding rail (1) are respectively arranged on the two opposite sides of the upper sliding rail (2).
8. The slide rail clearance elimination structure of claim 1, wherein: the lever members (6) are arranged on the upper sliding rail (2) in two groups, and are respectively arranged at two ends of the upper sliding rail (2), and the elastic member is a linear spring (7) with the middle part hooked on the upper sliding rail (2) and two ends respectively abutted against the bearing ends at the corresponding ends.
9. The slide rail clearance elimination structure of claim 1, wherein: the locking part is rotationally arranged on the upper sliding rail (2) through a rotating shaft (9), an elastic return piece is arranged between the locking part and the upper sliding rail (2), the locking part can rotate relative to the upper sliding rail (2) due to bearing external force so as to release locking between the upper sliding rail (2) and the lower sliding rail (1), and the locking part can form locking between the upper sliding rail (2) and the lower sliding rail (1) through restoring force of the elastic return piece.
10. The slide rail clearance elimination structure according to any one of claims 1 to 9, wherein: the abutting part is an abutting inclined plane formed on the lower sliding rail (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020022169.8U CN211543310U (en) | 2020-01-03 | 2020-01-03 | Slide rail clearance eliminating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020022169.8U CN211543310U (en) | 2020-01-03 | 2020-01-03 | Slide rail clearance eliminating structure |
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| Publication Number | Publication Date |
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| CN211543310U true CN211543310U (en) | 2020-09-22 |
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| CN202020022169.8U Active CN211543310U (en) | 2020-01-03 | 2020-01-03 | Slide rail clearance eliminating structure |
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| CN (1) | CN211543310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112356743A (en) * | 2020-11-06 | 2021-02-12 | 宁波信泰机械有限公司 | Car seat slide rail structure |
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2020
- 2020-01-03 CN CN202020022169.8U patent/CN211543310U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112356743A (en) * | 2020-11-06 | 2021-02-12 | 宁波信泰机械有限公司 | Car seat slide rail structure |
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