CN103085683A - Sliding rail and seat - Google Patents
Sliding rail and seat Download PDFInfo
- Publication number
- CN103085683A CN103085683A CN2012105476956A CN201210547695A CN103085683A CN 103085683 A CN103085683 A CN 103085683A CN 2012105476956 A CN2012105476956 A CN 2012105476956A CN 201210547695 A CN201210547695 A CN 201210547695A CN 103085683 A CN103085683 A CN 103085683A
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- China
- Prior art keywords
- slide rail
- nut assembly
- cushion collar
- bracket
- leading screw
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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.)
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Abstract
The invention discloses a sliding rail which comprises a gear box, a lead screw, a nut assembly and a tail support, wherein the gear box supports the front end of the lead screw and drives the lead screw to rotate, the tail support supports the rear end of the lead screw, and the nut assembly is matched with the lead screw. The sliding rail further comprises a buffering sleeve and a front end support, wherein the buffering sleeve is sleeved on the outer side of the nut assembly, the front end support is fixed with the gear box, the nut assembly is placed on the limiting position of the front end of the lead screw, and the buffering sleeve contacts the front end support. When the nut assembly is placed on the limiting position of the rear end of the lead screw, the buffering sleeve contacts the tail support, when the nut assembly stops moving, the buffering sleeve can buffer a contacting process of the nut assembly and the front end support or the tail support, a movement stopping process of the nut assembly is stable, and noise is low. The invention further discloses a seat comprising the sliding rail, and the seat has high comfort.
Description
Technical field
The present invention relates to the seat technical field, particularly relate to a kind of slide rail.In addition, the invention still further relates to a kind of seat.
Background technology
In order to satisfy different chaufeurs operating and controlling vehicle easily, in order to satisfy different passengers, the comfortable space of taking is arranged simultaneously, automotive seat are regulated front and back position by slide rail usually.
The slide rail of automotive seat is different by type of drive, is divided into manual slide rail and electric sliding rail.Electric sliding rail is the horizontal drive mechanism that relies on the driven by motor slide rail, the front and back position of vehicles seat.
Automotive seat are set up in parallel two slide rails usually, every slide rail includes slide rail, glidepath and the horizontal drive mechanism between upper slide rail and glidepath, glidepath is fixed on bottom of car, upper slide rail is captiveed joint with automotive seat, and horizontal drive mechanism can drive slide rail and glidepath relative sliding.Motor is arranged between two tracks, and the two ends of the axle drive shaft of motor are connected with the horizontal drive mechanism of two slide rails respectively, and provides power for horizontal drive mechanism.
Horizontal drive mechanism comprises gear case, leading screw, nut and bracket at tail part; Wherein, gear case is captiveed joint with upper slide rail, and is the rotation of leading screw with the power conversion that axle drive shaft provides; Bracket at tail part is also captiveed joint with upper slide rail, and supports leading screw away from the end of gear case; Nut coordinates with the glidepath captive joint and with leading screw, and when leading screw rotated, the nut straight-line motion had namely been realized the relative sliding of upper slide rail and glidepath, has changed the position of automotive seat.
The position of automotive seat can change within the specific limits, and when leading screw stopped operating, nut and leading screw can pass through screw thread self-locking; When leading screw rotates, get loose from leading screw for fear of nut, the stroke of nut is limited, usually on the rail body of slide rail, position limiting structure is set, stamped bumps or eye etc. on the cabinet of slide rail.When nut moved to the end position of stroke, the position limiting structure that cooperatively interacts on the rail body of upper slide rail and glidepath clashed into mutually, and relatively moving between having limited both also limited the stroke of nut.
When the projection that cooperatively interacts on upper slide rail and glidepath and eye clash into, can produce noise and vibration, will affect the traveling comfort of seat; Press in the slide rail upper punch and state position limiting structure, also can affect the dimensional accuracy of slide rail; When the stroke of slide rail requires not simultaneously, need at the diverse location punching press position limiting structure of slide rail, increase the manufacture difficulty of producing slide rail.
In view of this, demand designing a kind of slide rail for above-mentioned technical matters noise and vibration when the reduction slide rail moves to end position urgently.
Summary of the invention
The purpose of this invention is to provide a kind of slide rail, produce very little noise and vibration when this slide rail moves to end position.Another object of the present invention provides a kind of seat that comprises above-mentioned slide rail.
In order to realize above-mentioned technical purpose, the invention provides a kind of slide rail, comprise gear case, leading screw, nut assembly and bracket at tail part; Described gear case and described bracket at tail part support respectively the front-end and back-end of described leading screw, and described leading screw coordinates with described nut assembly and driven by described gear case; Also comprise cushion collar and front-end bracket, described cushion collar is sleeved on outside described nut assembly, the described gear case of described front-end bracket captive joint; When described nut assembly was positioned at the end position of described leading screw front end, described cushion collar contacted with described front-end bracket; When described nut assembly was positioned at the end position of described leading screw rear end, described cushion collar contacted with described bracket at tail part.
Preferably, described nut assembly comprises square nut and square nut fixed block, and described cushion collar is sleeved on the outside of described square nut fixed block.
Preferably, the front end face of described cushion collar and aft end face all have the through hole that coordinates with described leading screw.
Preferably, described cushion collar is trench structure, and its inwall has the projection that coordinates with side and the base of described square nut fixed block.
Preferably, described cushion collar is plastics cushion collar or rubber cushion cover.
Preferably, the rear end of described front-end bracket has the beading towards described front-end bracket inboard, and described beading can limit the displacement of described nut assembly.
The present invention also provides a kind of seat, comprise seat body and slide rail, described slide rail is the described slide rail of above-mentioned any one, and the glidepath position that is connected with described nut assembly is fixed, and captives joint with described seat body with the upper slide rail that described gear case is connected with bracket at tail part.
Preferably, described seat is automotive seat.
Slide rail provided by the invention comprises horizontal drive mechanism, upper slide rail and glidepath; Horizontal drive mechanism is positioned at slide rail and glidepath forms cavity volume; Horizontal drive mechanism comprises gear case, leading screw, nut assembly and bracket at tail part, and gear case is fixed on the front end of slide rail and drives leading screw and rotates, and bracket at tail part is fixed on the rear end of slide rail and supports leading screw, and nut assembly coordinates with leading screw and fixes with glidepath; Also comprise cushion collar and front-end bracket, cushion collar is sleeved on outside nut assembly, and front-end bracket and gear case are fixed; When nut assembly was positioned at the end position of leading screw front end, the front end of nut assembly contacted with front-end bracket by cushion collar; When nut assembly was positioned at the end position of leading screw rear end, the rear end of nut assembly contacted with bracket at tail part by cushion collar.
When leading screw rotates, nut assembly moves on leading screw, when nut assembly moves to end position on leading screw, the cushion collar that is sleeved on the nut assembly outside contacts with front-end bracket or bracket at tail part, the displacement of restriction nut assembly, the end position of nut assembly displacement is the end position that slide rail moves, and nut assembly stops when mobile, and cushion collar can the buffering nut assembly and the contact process of front-end bracket or bracket at tail part.Compared with prior art, the process that nut assembly stops movement is more steady, and noise is also less, produces very little noise and vibration when namely slide rail moves to end position.
Concrete, nut assembly comprises square nut and square nut fixed block, cushion collar is sleeved on the outside of square nut fixed block; Square nut fixed block, cushion collar and glidepath three are captiveed joint.
Square nut coordinates with leading screw, and is arranged in the groove of square nut fixed block; Cushion collar is sleeved on the outside of square nut fixed block, and nut fixed block, cushion collar and glidepath three can be captiveed joint by screw.Leading screw passes square nut and square nut fixed block, and the through hole of the square nut fixed block that leading screw passes can be unthreaded hole, also can be the tapped bore that coordinates with leading screw.The front end face of cushion collar and aft end face all have the through hole that coordinates with leading screw.
Preferably, the rear end of front-end bracket has the beading towards described front-end bracket inboard, and beading can limit the displacement of nut assembly.
The present invention also provides a kind of seat, comprises above-mentioned slide rail, and this seat changes the position by this slide rail, and this seat has very little vibration and noise when moving to end position, have higher comfort level.
Description of drawings
Fig. 1 is the exploded view of a kind of specific embodiment of slide rail provided by the present invention;
Fig. 2 is the cutaway view of the nut assembly of slide rail shown in Figure 1;
Fig. 3 is the structural representation of a kind of specific embodiment of cushion collar of slide rail provided by the present invention.
Wherein, the Reference numeral in Fig. 1 to Fig. 3 is as follows:
Bracket at tail part 14; Sheet metal component 141;
Cushion collar 15; Through hole 151; Projection 152;
Front-end bracket 16; Beading 161;
Screw 17.
The specific embodiment
Core of the present invention is to provide a kind of slide rail, produces very little noise and vibration when this slide rail moves to end position.Another core of the present invention provides a kind of seat that comprises above-mentioned slide rail.
In order to make those skilled in the art person understand better the present invention program, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Need to prove, all take accompanying drawing as the basis, for example, the front end of slide rail refers to the left end of slide rail in accompanying drawing in the front-end and back-end of mentioning in the present invention, and the rear end of slide rail refers to the right-hand member of slide rail in accompanying drawing, and the front-end and back-end of miscellaneous part also similarly.
Please refer to Fig. 1, Fig. 1 is the exploded view of a kind of specific embodiment of slide rail provided by the present invention.
In a kind of concrete embodiment, the invention provides a kind of slide rail, comprise horizontal drive mechanism, upper slide rail 2 and glidepath 3; Horizontal drive mechanism is positioned at slide rail 2 and glidepath 3 forms cavity volume; Horizontal drive mechanism comprises gear case 11, leading screw 12, nut assembly 13 and bracket at tail part 14, gear case 11 is fixed on the front end of slide rail 2 and drives leading screw 12 and rotates, bracket at tail part 14 is fixed on the rear end of slide rail 2 and supports leading screw 12, and nut assembly 13 coordinates with leading screw 12 and be fixing with glidepath 3; Also comprise cushion collar 15 and front-end bracket 16, cushion collar 15 is sleeved on nut assembly 13 outsides, and front-end bracket 16 is fixing with gear case 11; When nut assembly 13 was positioned at the end position of leading screw 12 front ends, the front end of nut assembly 13 contacted with front-end bracket 16 by cushion collar 15; When nut assembly 13 was positioned at the end position of leading screw 12 rear ends, the rear end of nut assembly 13 contacted with bracket at tail part 14 by cushion collar 15.
The gear case 11 of horizontal drive mechanism is all captiveed joint with upper slide rail 2 with bracket at tail part 14, and leading screw 12 is supported by gear case 11 and bracket at tail part 14, and the nut assembly 13 that coordinates with leading screw 12 is captiveed joint with glidepath 3; Gear case 11 drives leading screw 12 and rotates, and when leading screw 12 rotated, the nut assembly 13 that coordinates with leading screw 12 moved on leading screw 12, made slide rail 2 and glidepath 3 relative slidings.
When nut assembly 13 moves to end position on leading screw 12, the cushion collar 15 that is sleeved on nut assembly 13 outsides contacts with front-end bracket 16 or bracket at tail part 14, the stroke of restriction nut assembly 13, the end position of nut assembly 13 displacements is the end position that slide rail moves, nut assembly 13 stops when mobile, and cushion collar 15 can buffering nut assembly 13 and the contact process of front-end bracket 16 or bracket at tail part 14.
Compared with prior art, the process that nut assembly 13 stops movement is more steady, and noise is also less, produces very little noise and vibration when the slide rail of this structure moves to end position.Position limiting structure in this slide rail comprises nut assembly 13, front-end bracket 16 and bracket at tail part 14, does not change the rail body structure of upper slide rail 2 and glidepath 3, can not affect the precision of slide rail, also can not increase the manufacture difficulty of slide rail.
Please refer to Fig. 2, Fig. 2 is the cutaway view of the nut assembly of slide rail shown in Figure 1.
Concrete, nut assembly 13 comprises square nut 131 and square nut fixed block 132, cushion collar 15 is sleeved on the outside of square nut fixed block 132; Square nut fixed block 132, cushion collar 15 and glidepath 3 threes are captiveed joint.
Square nut fixed block 132 can be U-shaped pane, tool through hole on U-shaped front and rear wall, and from then on leading screw 12 passes in through hole, and this through hole also can be the tapped bore that coordinates with leading screw; U-shaped bottom surface has tapped bore, and the tapped bore by the bottom surface is threaded with cushion collar 15 and glidepath 3.
In a kind of concrete mode, the front end face of cushion collar 15 and aft end face all have the through hole 151 that coordinates with leading screw 12.The through hole 151 of cushion collar 15 can be circular hole, also can be semicircle orifice, can also be the hole of other shapes, can allow leading screw 12 pass through, and the through hole that does not limit leading screw 12 rotations all can.
Please refer to Fig. 3, Fig. 3 is the structural representation of a kind of specific embodiment of cushion collar of slide rail provided by the present invention.
As shown in Figure 3, cushion collar 15 can be trench structure, has four upright side walls and bottom surface, and front side wall and rear wall respectively are provided with a through hole 151.Certainly, cushion collar 15 also can be other structures, and other structures that can cover the front-end and back-end of nut assembly 13 also can be used for the present invention's cushion collar 15.
When cushion collar 15 is trench structure, nut assembly 13 can be sleeved in a structure of relatively sealing, can reduce the noise that nut assembly 13 produces in moving process on screw mandrel 12.
The inwall of cushion collar 15 can arrange the projection 152 that coordinates with side and the base of square nut fixed block 132.The projection 152 that the wall of cushion collar 15 sidewalls arranges can coordinate at Width with square nut fixed block 132, can prevent cushion collar 15 plaies; The projection 152 that cushion collar 15 sidewalls bottoms arrange can coordinate with the seamed edge fillet of square nut fixed block 132 bottoms, also can play the effect that prevents cushion collar 15 plaies.
In the respective embodiments described above, cushion collar 15 can be plastics cushion collar or rubber cushion cover, also can be the cushion collar of other non-metallic materials, can play good buffer action, the cushion collar 15 that reduces other materials of the noise that produces when nut assembly 13 moves to end position also is fine.
Concrete, the rear end of front-end bracket 16 has the beading 161 towards front-end bracket 16 inboards, and beading 161 can limit the displacement of nut assembly 13; The front end of bracket at tail part 14 can limit the displacement of nut assembly 13, and the front end of bracket at tail part 14 can be the sheet metal component 141 shown in Fig. 1, and the structure of bracket at tail part 14 front ends is not limited to this.
Except above-mentioned slide rail, the present invention also provides a kind of seat that comprises above-mentioned slide rail, the position of glidepath 3 is fixed, upper slide rail 2 is captiveed joint with seat body, when upper slide rail 2 and glidepath 3 relative sliding, change the position of seat body, vibration and noise when this seat moves to end position are very little, and comfort level is higher.The structure of these other each several parts of seat please refer to prior art, and this paper repeats no more.
Concrete, this seat can be applied in automotive seat, automotive seat are set up in parallel two slide rails usually, every slide rail is structure as above, between two slide rails, motor is set, the two ends of the axle drive shaft of motor are connected with the horizontal drive mechanism of two slide rails respectively, drive the gear case 11 of horizontal drive mechanism; The power conversion that gear case 11 provides axle drive shaft is the rotation of leading screw 12, and when leading screw 12 rotated, nut 13 moved on leading screw 12, makes slide rail 2 and glidepath 3 relative slidings, has changed the front and back position of automotive seat.
Above slide rail provided by the present invention and seat are described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (8)
1. a slide rail, comprise gear case (11), leading screw (12), nut assembly (13) and bracket at tail part (14); Described gear case (11) and described bracket at tail part (14) support respectively the front-end and back-end of described leading screw (12), and described leading screw (12) coordinates with described nut assembly (13) and driven by described gear case (11); It is characterized in that, also comprise cushion collar (15) and front-end bracket (16), described cushion collar (15) is sleeved on outside described nut assembly (13), the described gear case of described front-end bracket (16) captive joint (11); When described nut assembly (13) was positioned at the end position of described leading screw (12) front end, described cushion collar (15) contacted with described front-end bracket (16); When described nut assembly (13) was positioned at the end position of described leading screw (12) rear end, described cushion collar (15) contacted with described bracket at tail part (14).
2. slide rail as claimed in claim 1, is characterized in that, described nut assembly (13) comprises square nut (131) and square nut fixed block (132), and described cushion collar (15) is sleeved on the outside of described square nut fixed block (132).
3. slide rail as claimed in claim 2, is characterized in that, the front end face of described cushion collar (15) and aft end face all have the through hole (151) that coordinates with described leading screw (12).
4. slide rail as claimed in claim 3, is characterized in that, described cushion collar (15) is trench structure, and its inwall has the projection (152) that coordinates with side and the base of described square nut fixed block (132).
5. slide rail as described in claim 1 to 4 any one, is characterized in that, described cushion collar (15) is plastics cushion collar or rubber cushion cover.
6. slide rail as claimed in claim 5, is characterized in that, the rear end of described front-end bracket (16) has towards the inboard beading (161) of described front-end bracket (16), and described beading (161) can limit the displacement of described nut assembly (13).
7. seat, comprise seat body and slide rail, it is characterized in that, described slide rail is the described slide rail of claim 1 to 6 any one, glidepath (3) position that is connected with described nut assembly (13) is fixed, and is connected 14 with described gear case (11) with bracket at tail part) the upper slide rail (2) that is connected captives joint with described seat body.
8. seat as claimed in claim 7, is characterized in that, described seat is automotive seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105476956A CN103085683A (en) | 2012-12-17 | 2012-12-17 | Sliding rail and seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105476956A CN103085683A (en) | 2012-12-17 | 2012-12-17 | Sliding rail and seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103085683A true CN103085683A (en) | 2013-05-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105476956A Pending CN103085683A (en) | 2012-12-17 | 2012-12-17 | Sliding rail and seat |
Country Status (1)
| Country | Link |
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| CN (1) | CN103085683A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626336A (en) * | 2017-03-21 | 2018-10-09 | 王运杰 | A kind of flexible lifting device |
| WO2020042947A1 (en) * | 2018-08-28 | 2020-03-05 | 延锋安道拓座椅机械部件有限公司 | Novel motor direct-connected screw rod electric slide rail |
| CN113060056A (en) * | 2021-05-19 | 2021-07-02 | 恺博(常熟)座椅机械部件有限公司 | High-strength front electric sliding rail |
| CN114906022A (en) * | 2022-07-15 | 2022-08-16 | 江苏金鹏汽车座椅有限公司 | Automobile seat adjusting system based on voice control and adjusting method thereof |
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| US5816555A (en) * | 1995-12-19 | 1998-10-06 | Aisin Seiki Kabushiki Kaisha | Driving force transmitting apparatus |
| JP2004345586A (en) * | 2003-05-26 | 2004-12-09 | Shiroki Corp | Power seat sliding device |
| CN101307817A (en) * | 2007-05-16 | 2008-11-19 | Ims传动装置有限公司 | Gearing for an adjustment device, especially an automotive adjustment device |
| KR20100045827A (en) * | 2008-10-24 | 2010-05-04 | 계양전기 주식회사 | Apparatus for moving seats for vehicle |
| CN202518122U (en) * | 2012-05-04 | 2012-11-07 | 熔盛机械有限公司 | Regulating and limiting device of seat slide of excavator |
| CN202966011U (en) * | 2012-12-17 | 2013-06-05 | 湖北中航精机科技股份有限公司 | Sliding rail and seat |
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- 2012-12-17 CN CN2012105476956A patent/CN103085683A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5816555A (en) * | 1995-12-19 | 1998-10-06 | Aisin Seiki Kabushiki Kaisha | Driving force transmitting apparatus |
| JP2004345586A (en) * | 2003-05-26 | 2004-12-09 | Shiroki Corp | Power seat sliding device |
| CN101307817A (en) * | 2007-05-16 | 2008-11-19 | Ims传动装置有限公司 | Gearing for an adjustment device, especially an automotive adjustment device |
| KR20100045827A (en) * | 2008-10-24 | 2010-05-04 | 계양전기 주식회사 | Apparatus for moving seats for vehicle |
| CN202518122U (en) * | 2012-05-04 | 2012-11-07 | 熔盛机械有限公司 | Regulating and limiting device of seat slide of excavator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626336A (en) * | 2017-03-21 | 2018-10-09 | 王运杰 | A kind of flexible lifting device |
| WO2020042947A1 (en) * | 2018-08-28 | 2020-03-05 | 延锋安道拓座椅机械部件有限公司 | Novel motor direct-connected screw rod electric slide rail |
| US11607974B2 (en) | 2018-08-28 | 2023-03-21 | Keiper Seating Mechanisms Co., Ltd. | Power slide with motor directly connected to lead screw |
| CN113060056A (en) * | 2021-05-19 | 2021-07-02 | 恺博(常熟)座椅机械部件有限公司 | High-strength front electric sliding rail |
| CN114906022A (en) * | 2022-07-15 | 2022-08-16 | 江苏金鹏汽车座椅有限公司 | Automobile seat adjusting system based on voice control and adjusting method thereof |
| CN114906022B (en) * | 2022-07-15 | 2022-09-20 | 江苏金鹏汽车座椅有限公司 | Automobile seat adjusting system based on voice control and adjusting method thereof |
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Owner name: HUBEI AVIATION PRECISION MACHINERY TECHNOLOGY CO., Free format text: FORMER OWNER: ZHONGHANG PRECISIVE MACHINARY SCIENCE AND TECHNOLOGY CO., LTD., HUBEI Effective date: 20130624 |
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Effective date of registration: 20130624 Address after: 441003 Hubei city of Xiangfan province high tech Zone, Road No. 8 Applicant after: Hubei Aviation Precision Machinery Technology Co., Ltd. Address before: Xiangyang City, Hubei Province, 441003 Road No. 8 Applicant before: Zhonghang Precisive Machinary Science and Technology Co., Ltd., Hubei |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130508 |
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| RJ01 | Rejection of invention patent application after publication |