CN202959541U - Limiting device of backrest board and map board - Google Patents
Limiting device of backrest board and map board Download PDFInfo
- Publication number
- CN202959541U CN202959541U CN 201220674561 CN201220674561U CN202959541U CN 202959541 U CN202959541 U CN 202959541U CN 201220674561 CN201220674561 CN 201220674561 CN 201220674561 U CN201220674561 U CN 201220674561U CN 202959541 U CN202959541 U CN 202959541U
- Authority
- CN
- China
- Prior art keywords
- map
- chair back
- plate
- back plate
- elastic cord
- Prior art date
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model provides a limiting device of a backrest board and a map board. The limiting device of the backrest board and the map board comprises the backrest board, the map board and an elastic band, wherein the bottom edge of the backrest board and the bottom edge of the map board are fixedly connected, the map board is gradually opened around the bottom edges from a closed state until the map board is in a completely opened state, the position of the map board when the map board is in the completely opened state is limited by the elastic board, an included angle between the extension direction of the elastic board and the horizontal direction when the map board is in the closed state is an acute angle alpha, and an included angle between the extension direction of the elastic board and the horizontal direction when the map board is in the completely opened state is also the acute angle alpha. The limiting device of the backrest board and the map board effectively solves the problem that in the prior art, in an opening process of the map board, the map board is in interference with an elastic band via hole cover of the backrest board, eliminates abnormal sounds caused by the interference, reduces abrasion of the elastic band, thereby improving the quality of a product, and meanwhile increases use comfort of a passenger.
Description
Technical field
The utility model relates to a kind of stopping means, particularly the stopping means of a kind of chair back plate and map plate.
Background technology
In prior art, chair back plate is connected with map plate and is connected by multiple bindiny mechanism, such as hinge, riveted joint, screw and axle sleeve connector etc.After connection, the base of map plate is fixedly connected on chair back plate usually, and map plate can rotate round this base.
As shown in Figure 1a, under original state, map plate 20 is parallel to chair back plate 10 and arranges, the closure state of the map plate that is otherwise known as this moment.Gradually away from chair back plate, map plate is opened gradually along with the top margin of map plate 20.The extreme position (full open position) that this map plate 20 is opened is limited by elastic cord 30, usually as shown in Fig. 1 b.
Under the original state of closure, elastic cord 30 of the prior art is fixed between map plate 20 and chair back plate 10 by level usually, at this moment elastic cord 30 horizontal-extendings.But in the process that map plate 20 is opened gradually, elastic cord 30 produces displacement downwards, usually and chair back plate, namely the elastic cord via hole cover cap of chair back plate interferes, as shown in the part of the circle in Fig. 1 b, cause the wearing and tearing of elastic cord 30 and fluffing etc., thereby affect product appearance, increase unsafe factor.
On the other hand, in the prior art, in order to prevent interfering, also can arrange the via size of chair back plate 10 bigger than normal.So, although part has solved the problem of interfering, bring thus the via hole problem excessive with crack between elastic cord 30 of chair back plate 10, as shown in the part of the dashed rectangle in Fig. 1 c, affected the use outward appearance.
The utility model content
Technical problem to be solved in the utility model is to overcome the problem that elastic cord of the prior art and chair back plate interfere, thereby extends the service life of elastic cord, solves simultaneously product appearance of the prior art and abnormal sound problem, the improving product quality.
the utility model provides the stopping means of a kind of chair back plate and map plate, comprise chair back plate, map plate and elastic cord, wherein, described chair back plate is fixedly connected with the base of described map plate, described map plate progressively is opened to full open position round described base from closure state, the position of described map plate when described full open position limited by described elastic cord, bearing of trend and angle horizontal direction between of described elastic cord when described closure state is sharp angle α, and described elastic cord when described full open position bearing of trend and the angle between horizontal direction be similarly sharp angle α.Because the bearing of trend of elastic cord from closure state to the process of opening fully is constant all the time, namely elastic cord remains the angular direction stretching along α, thereby has avoided elastic cord to produce trail change when motion, avoids simultaneously interfering with chair back plate.
Described chair back plate has at least one via hole, and described elastic cord passes described via hole and extends.The position of this via hole can be regulated as required, in order to keep map plate stablizing in opening procedure, preferably in the monosymmetric position of this chair back plate, via hole is set.
Described via hole circumferentially be coated with cover cap.Fastening degree between this cover cap and elastic cord can be regulated as required, and in addition, this cover cap can have level and smooth transition face, thereby minimizes the frictional force between elastic cord and via hole.
Described chair back plate have from back to described map plate surperficial extended at least one be used for the fixedly chair back plate buckle of elastic cord.The shape of this chair back plate buckle and fixed position can be regulated according to actual needs.
Described chair back plate buckle departs from gradually described via hole and extends.The shape of this chair back plate buckle can avoid elastic cord to come off from the chair back plate buckle.
The first end of described elastic cord has the first suppending hole that is clasped with described chair back plate.Can realize dismountable connection between chair back plate and elastic cord by this first suppending hole and chair back plate buckle.
The bearing of trend that described elastic cord is fixed between described chair back plate buckle and described via hole and the angle between horizontal direction are sharp angle α.Fixed-direction on chair back plate has guaranteed that the bearing of trend of elastic cord remains constant by elastic cord so simply.
Described elastic cord has deformation safe distance K and width b, the height H of described via hole=b/cos α+K.The appropriateness of the height by this via hole is selected, and prevents from having excessive crack between elastic cord and chair back plate, has avoided the in use metal structure of visual interiors of products of passenger, promotes passenger's impression.
Described map plate has at least one elongated hole, and described elastic cord passes described elongated hole and extends.The position of this elongated hole can be regulated as required, in order to keep map plate stablizing in opening procedure, preferably in the monosymmetric position of this map plate, elongated hole is set.
Described map plate have from back to described chair back plate surperficial extended at least one be used for the fixedly map plate buckle of elastic cord.
Described map plate buckle has the L-type configuration.This L-type configuration comprises vertically extending two parts mutually, thereby avoids elastic cord to come off from the map plate buckle.
The second end of described elastic cord has the second suppending hole that is clasped with described map plate.Can realize dismountable connection between map plate and elastic cord by this second suppending hole and map plate buckle.
The chair back plate that the utility model provides and the stopping means of map plate have solved the problem that map plate of the prior art interferes with chair back plate effectively in opening procedure, eliminated consequent different sound, the wearing and tearing of elastic cord have been reduced, thereby promoted product quality, increased simultaneously the comfort level that the passenger uses.
Description of drawings
Fig. 1 a is the schematic diagram of the stopping means of the chair back plate of prior art and map plate, shows the closure state of map plate;
Fig. 1 b is the schematic diagram of the stopping means of the chair back plate of prior art and map plate, shows the full open position of map plate;
Fig. 1 c shows the via hole of chair back plate of prior art and the excessive situation of the crack between elastic cord;
Fig. 2 shows the assembly included according to the stopping means of chair back plate of the present utility model and map plate;
Fig. 3 a is the schematic diagram according to the stopping means of chair back plate of the present utility model and map plate, shows the closure state of map plate;
Fig. 3 b is the schematic diagram according to the stopping means of chair back plate of the present utility model and map plate, shows the full open position of map plate;
Fig. 4 is the pictorial diagram according to the stopping means of chair back plate of the present utility model and map plate, shows the full open position of map plate;
Fig. 5 shows according to the chair back plate of a preferred embodiment of the present utility model and the syndeton between elastic cord;
Fig. 6 shows near the partial enlarged drawing of the structure of chair back plate buckle of Fig. 5;
Fig. 7 is the cutaway view that the line A-A in Fig. 6 obtains;
Fig. 8 shows according to the map plate of a preferred embodiment of the present utility model and the syndeton between elastic cord;
Fig. 9 shows near the partial enlarged drawing of the structure of map plate buckle of Fig. 8;
Figure 10 is the cutaway view that the line B-B in Fig. 9 obtains;
Figure 11 shows the height according to the via hole of a preferred embodiment of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, provide preferred embodiment of the present utility model, and be described in detail, enable to understand better function of the present utility model, characteristics.
As shown in Figure 2, the stopping means according to chair back plate of the present utility model and map plate comprises chair back plate 1, map plate 2 and elastic cord 3.Fig. 3 a-Fig. 3 b is the structure diagram according to the stopping means of chair back plate 1 of the present utility model and map plate 2, and Fig. 4 is the state diagram in kind according to the stopping means of chair back plate 1 of the present utility model and map plate 2, chair back plate 1 is fixedly connected with the base 25 of map plate 2, makes map plate 2 to rotate round this base 25.Gradually away from chair back plate 1, map plate 2 is opened gradually along with the top margin 26 of map plate 2.Fig. 3 a shows the closure state according to map plate 2 of the present utility model, and at this moment, chair back plate 1 is parallel to map plate 2, and the bearing of trend of elastic cord 3 and horizontal direction have certain angle α.Fig. 3 b shows the full open position according to map plate 2 of the present utility model, and the bearing of trend of elastic cord 3 and the angle between horizontal direction are similarly sharp angle α at this moment.Because the bearing of trend of elastic cord 3 from closure state to the process of opening fully is constant, namely elastic cord 3 remains the angular direction stretching along α, thereby has avoided elastic cord 3 to produce trail change when motion, avoids simultaneously interfering with chair back plate 1.Should be appreciated that, during full open position that the angular dimension of this sharp angle α can the base area chart board, required unlimited angle is adjusted.
Fig. 5-Fig. 7 shows according to the chair back plate 1 of a preferred embodiment of the present utility model and the syndeton between elastic cord 3.In order to narrate conveniently, the surface facing to map plate 2 of chair back plate 1 is called as first surface 11, and is called as second surface 12(referring to Fig. 3 a and Fig. 3 b back to the surface of map plate 2).Chair back plate 1 has at least one via hole 13, and elastic cord 3 can run through this via hole 13 and extend.Preferably, this via hole 13 is arranged near the dual-side of chair back plate 1 symmetrically.Near this via hole 13, chair back plate 1 have from second surface 12 extended at least one be used for the fixedly chair back plate buckle 14 of elastic cord, for fixing the first end 31 of elastic cord 3.Preferably, the whole cover cap 15(that circumferentially is coated with of this via hole 13 is referring to Fig. 2), this cover cap 15 has level and smooth transition face, thereby minimizes the frictional force between elastic cord 3 and via hole 13.Preferably, the first end 31 of elastic cord 3 has the first suppending hole 311 that coordinates with chair back plate buckle 14, and this chair back plate buckle 14 offset via 13 gradually extends, thereby avoids the end 31 of elastic cord 3 to come off from this chair back plate buckle 14.Can realize dismountable connection between chair back plate 1 and elastic cord 3 by this first suppending hole 311 and chair back plate buckle 14.Should be appreciated that, also can adopt any suitable method that elastic cord 3 unremovably is fixedly connected on chair back plate 1.Preferably, the direction that elastic cord 3 is fixed on chair back plate 1 has determined the bearing of trend of elastic cord 3, therefore, the bearing of trend of the elastic cord 3 between chair back plate buckle 14 and via hole 13 and the angle between horizontal direction are sharp angle α, shown in the dashed rectangle in Fig. 3 a.This is also the utility model difference with the prior art.Referring to the part of the dashed rectangle in accompanying drawing 1a as can be known, elastic cord 30 of the prior art is horizontally fixed on chair back plate 1 usually, thereby make the elastic cord between chair back plate buckle and via hole that downward displacement occur along with opening of map plate, interfere with chair back plate.The utility model simply by with elastic cord with certain angle of inclination be fixed on chair back plate, avoided elastic cord and via hole to interfere.
Fig. 8-Figure 10 shows according to the map plate 2 of a preferred embodiment of the present utility model and the syndeton between elastic cord 3.In order to narrate conveniently, the surface facing to chair back plate 1 of map plate 2 is called as the 3rd surface 21, and is called as the 4th surperficial 22(referring to Fig. 3 a and Fig. 3 b back to the surface of chair back plate 1).Map plate 2 has at least one elongated hole 23, and elastic cord 3 can run through this elongated hole 23 and extend.Preferably, this elongated hole 23 is arranged near the dual-side of map plate 2 symmetrically, thereby relative with the via hole 13 of chair back plate 1, guarantees map plate 2 stablizing in opening procedure.Near this elongated hole 23, map plate 2 have from the 4th surface 22 extended at least one be used for the fixedly map plate buckle 24 of elastic cord, for fixing the second end 32 of elastic cord 3.Preferably, the second end 32 of elastic cord 3 has at least one second suppending hole 321 that coordinates with map plate buckle 24, this map plate buckle 24 has the L-type configuration, comprise perpendicular to the first 241 on described the 4th surface 22 and the second portion 242 that extends away from described elongated hole 23 from the end of this first 241, this second portion 242 is in substantially parallel relationship to described the 4th surface 22 and extends, thereby avoids elastic cord 3 from map plate buckle 24, involuntary coming off to occur.Can realize dismountable connection between map plate 2 and elastic cord 3 by this second suppending hole 321 and map plate buckle 24.Should be appreciated that, also can adopt any suitable method that elastic cord 3 unremovably is fixedly connected on map plate 2.
In a preferred embodiment of the present utility model, for the narration method, the safe distance that deformation occurs elastic cord 3 is defined as K, and elastic cord 3 is defined as b along the width on its length direction, elastic cord 3 is defined as h in vertical height corresponding to via hole 13 places, and the extended height of via hole 13 is defined as H.The reason that elastic cord 3 deforms is, along with opening of map plate, elastic cord 3 rubs at width and via hole, and referring to Fig. 6, the surface weave of elastic cord 3 trend makes its off-design track in motion process, produces trajectory up and down play.Corresponding, the safe distance K that deformation occurs elastic cord 3 is known for a person skilled in the art, for example can draw by the proof procedure of actual exemplar.Because the longitude and latitude establishment of various elastic cords moves towards different, corresponding K value there are differences.Specifically as shown in figure 11, according to there being following functional relation between the vertical height h of elastic cord 3 of the present utility model and width b: h=b/cos α.Preferably, according to the height H of the via hole of a preferred embodiment of the present utility model=h+K=b/cos α+K.The via height that so limits is highly preferred height value.If the height H of via hole is too little, elastic cord 3 still can interfere with via hole, if the height H of via hole is too large, cause the crack between chair back plate and elastic cord excessive, the small articles that is stored in map plate is fallen in seat, may be caused product bug, have potential safety hazard.Simultaneously, if the height of via hole is excessive, the passenger can see by this via hole the structure of chair back plate inside, affects attractive in appearance.
Above-described, be only preferred embodiment of the present utility model, be not to limit scope of the present utility model.Every simple, equivalence of doing according to claims and the description of the utility model application changes and modifies, and all falls into the claim protection domain of the utility model patent.The utility model not detailed description be the routine techniques content.
Claims (12)
1. the stopping means of a chair back plate and map plate, comprise chair back plate (1), map plate (2) and elastic cord (3), wherein, described chair back plate (1) is fixedly connected with the base (25) of described map plate (2), described map plate (2) progressively is opened to full open position round described base (25) from closure state, the position of described map plate (2) when described full open position limited by described elastic cord (3), it is characterized in that, bearing of trend and angle horizontal direction between of described elastic cord (3) when described closure state is sharp angle α, and described elastic cord (3) when described full open position bearing of trend and the angle between horizontal direction be similarly sharp angle α.
2. the stopping means of chair back plate as claimed in claim 1 and map plate, is characterized in that, described chair back plate (1) has at least one via hole (13), and described elastic cord (3) passes described via hole (13) and extends.
3. the stopping means of chair back plate as claimed in claim 2 and map plate, is characterized in that, described via hole (13) circumferentially be coated with cover cap (15).
4. the stopping means of chair back plate as claimed in claim 2 and map plate, is characterized in that, described chair back plate (1) have from back to the surface (12) of described map plate extended at least one be used for the fixedly chair back plate buckle (14) of elastic cord.
5. the stopping means of chair back plate as claimed in claim 4 and map plate, is characterized in that, described chair back plate buckle (14) departs from gradually described via hole (13) and extends.
6. the stopping means of chair back plate as claimed in claim 4 and map plate, is characterized in that, first end (31) of described elastic cord (3) has the first suppending hole (311) that coordinates with described chair back plate buckle (14).
7. the stopping means of chair back plate as claimed in claim 4 and map plate, is characterized in that, bearing of trend and the angle between horizontal direction that described elastic cord (3) is fixed between described chair back plate buckle (14) and described via hole (13) are sharp angle α.
8. the stopping means of chair back plate as claimed in claim 2 and map plate, is characterized in that, described elastic cord (3) has deformation safe distance K and width b, the height H of described via hole (13)=b/cos α+K.
9. the stopping means of chair back plate as claimed in claim 1 and map plate, is characterized in that, described map plate (2) has at least one elongated hole (23), and described elastic cord (3) passes described elongated hole (23) and extends.
10. the stopping means of chair back plate as claimed in claim 9 and map plate, is characterized in that, described map plate (2) have from back to the surface (22) of described chair back plate extended at least one be used for the fixedly map plate buckle (24) of elastic cord.
11. the stopping means of chair back plate as claimed in claim 10 and map plate is characterized in that, described map plate buckle (24) has the L-type configuration.
12. the stopping means of chair back plate as claimed in claim 10 and map plate is characterized in that, second end (32) of described elastic cord (3) has the second suppending hole (321) that coordinates with described map plate buckle (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220674561 CN202959541U (en) | 2012-12-07 | 2012-12-07 | Limiting device of backrest board and map board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220674561 CN202959541U (en) | 2012-12-07 | 2012-12-07 | Limiting device of backrest board and map board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202959541U true CN202959541U (en) | 2013-06-05 |
Family
ID=48500695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220674561 Expired - Lifetime CN202959541U (en) | 2012-12-07 | 2012-12-07 | Limiting device of backrest board and map board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202959541U (en) |
-
2012
- 2012-12-07 CN CN 201220674561 patent/CN202959541U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MX2007002547A (en) | Spring top lower neck hanger sizing. | |
| CN205315975U (en) | Computer all -in -one machine | |
| CN209152976U (en) | Silica gel cup | |
| CN202959541U (en) | Limiting device of backrest board and map board | |
| CN204410058U (en) | The myopia preventing posture corrector of student's desk | |
| CN205498798U (en) | HUD fixed knot constructs | |
| CN205845259U (en) | A kind of stealthy Drowse-proof device | |
| CN208636570U (en) | VR eyeglasses retainer | |
| CN203969691U (en) | Drawing-board type liftable desk | |
| CN208730840U (en) | A kind of knob of bus | |
| TWM542960U (en) | Adjusting and positioning device of safety helmet lens lifting cover | |
| JP3158165U (en) | Hanger | |
| CN206197609U (en) | A kind of cosmetic display platform | |
| CN204231430U (en) | A kind of mobile phone protective cover | |
| CN206385762U (en) | A kind of kindergarten teaching protection structure | |
| JP6197781B2 (en) | Bear awl | |
| CN102905064A (en) | Serpentine camera | |
| CN204070829U (en) | A kind of Baby carriers safety buckle | |
| CN204599800U (en) | A kind of desk of automatic induction illumination | |
| CN202062910U (en) | Blackboard eraser | |
| CN107763025A (en) | A kind of wallboard mounting structure of shower house | |
| CN202287024U (en) | Myopia-preventing airbag learning desk | |
| CN207870452U (en) | A kind of anti-wiring pendant | |
| CN209248811U (en) | A kind of virtual reality simulator with LED lamp component | |
| CN207076122U (en) | A kind of toy car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Kang Road, Pudong New Area Kangqiao Industrial Zone of Shanghai City, No. 669, 201315 Patentee after: YANFENG ADIENT SEATING Co.,Ltd. Address before: Kang Road, Pudong New Area Kangqiao Industrial Zone of Shanghai City, No. 669, 201315 Patentee before: SHANGHAI YANFENG JOHNSON CONTROLS SEATING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |
|
| CX01 | Expiry of patent term |