CN201577845U - Folding chair provided with locking mechanism - Google Patents
Folding chair provided with locking mechanism Download PDFInfo
- Publication number
- CN201577845U CN201577845U CN200920313903XU CN200920313903U CN201577845U CN 201577845 U CN201577845 U CN 201577845U CN 200920313903X U CN200920313903X U CN 200920313903XU CN 200920313903 U CN200920313903 U CN 200920313903U CN 201577845 U CN201577845 U CN 201577845U
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- CN
- China
- Prior art keywords
- leg
- guide groove
- locking mechanism
- chair
- folding seat
- 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 - Fee Related
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses a folding chair provided with a locking mechanism, comprising a chair plate, a front chair leg with an inverted U-shaped structure and a rear chair leg with an inverted U-shaped structure, wherein the front chair leg and rear chair leg respectively comprise two sides of leg rods; the leg rods at the same sides are respectively hinged at the middle parts; two sides of the chair plate are respectively hinged between the inner sides of the two leg rods of the front chair leg; the bottom end of the chair plate is also provided with a guide groove made of iron piece; the guide groove is arranged along the front-back direction of the chair plate; the top end part of the rear chair leg is matched in the guide groove in a front-back sliding way; the front side of the guide groove is provided with a locking mechanism used for positioning the top end of the rear chair leg; and the locking mechanism is a convex part arranged in the guide groove. The locking mechanism has the characteristics of simple structure and remarkable effect.
Description
Technical field
The utility model relates to a kind of folding seat, especially relates to a kind of folding seat that is provided with locking mechanism.
Background technology
The folding seat of prior art, generally include chair plate, forward and backward chair leg and backrest, and the leg bar of the both sides of forward and backward chair leg middle part is hinged and the leg bar of back leg both sides is deployable or is close to mutually before making opening and closing state, and the both sides of chair plate generally are hinged with forward and backward chair leg respectively and turningly become upright or horizontal state.A kind of folding seat of prior art, its forward and backward chair leg is made as inverted U-shaped, and the leg bar of the homonymy of this forward and backward chair leg middle part is hinged respectively and can be the deployed condition of X-shaped or the collapse state that is close to mutually; The top of preceding chair leg constitutes backrest.This folding seat also comprises a cross bar, a shape ironware and a U-iron spare always usually; The two ends of straight shape ironware are separately fixed at the forward and backward position of chair plate bottom face; The two ends that two upper ends of U-iron spare outwards bend 90 degree backs and straight shape ironware respectively fix; The U-shaped chamber of U-iron spare surrounds and can carry out the guide groove that slides in front and back for the top ends of back leg with straight shape ironware.Yet, this folding seat is because the U-shaped chamber wall of its guide groove and straight shape ironware are comparatively level and smooth usually, make this folding seat under deployed condition, its back leg slides to rear side and makes back leg rely on preceding chair leg at leisure from the front side of guide groove easily, thereby makes the chair plate of this folding seat change erectility into from level.Therefore, this folding seat is not suitable for the lighter people of weight, and especially child uses.When child is sitting on this folding seat, may be because ground be more smooth, and child is often more active and arbitrarily rock this folding seat, child's pin bifurcation may can't reach ground in addition, and the top that therefore will cause this folding seat easily slides to rear side and child is thrown from folding seat from the front side of guide groove.Obviously, the safety coefficient of this folding seat has much room for improvement.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, a kind of folding seat that is provided with locking mechanism is provided, it increases by a locking mechanism on the basis of original guide groove, thereby the back leg of folding seat can not slided arbitrarily along the inner groove surface of guide groove under deployed condition, the safety coefficient of this folding seat is improved greatly.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of folding seat that is provided with locking mechanism comprises a chair plate, is the preceding chair leg of inverted U-shaped and is the back leg of inverted U-shaped; Forward and backward chair leg includes both sides leg bar respectively; Be hinged at medium position respectively between the corresponding leg bar of forward and backward chair leg; Before the both sides of chair plate are hinged on respectively between the inboard of two leg bars of chair leg; Bottom at the chair plate also is provided with the guide groove that is made by ironware; This guide groove is along the fore-and-aft direction of chair plate and establish; The top ends of back leg can be engaged in the described guide groove slidingly back and forth; The front side of guide groove is provided with the locking mechanism that is used to locate the back leg top; This locking mechanism is the protuberance that is arranged in the guide groove.
Described guide groove comprises a U-iron spare, and the forward and backward position that two upper ends of U-iron spare outwards bend 90 degree backs and chair plate bottom face respectively fixes; The guide groove that the U-shaped chamber of U-iron spare and the bottom face of chair plate slide before and after surrounding and can carrying out for the top ends of back leg; Be provided with by the upwards curved protuberance structure of establishing the described locking mechanism of conduct that forms of ironware body in the front side of the bottom of U-iron spare.
Described guide groove comprises a U-iron spare and shape ironware always, and the two ends of this straight shape ironware are separately fixed at the forward and backward position of chair plate bottom face; The two ends that two upper ends of U-iron spare outwards bend 90 degree backs and straight shape ironware respectively fix; The U-shaped chamber of U-iron spare surrounds and can carry out the guide groove that slides in front and back for the top ends of back leg with straight shape ironware.
Be provided with by the upwards curved protuberance structure of establishing the described locking mechanism of conduct that forms of ironware body in the front side of the bottom of U-iron spare.
Leading section at straight shape ironware is provided with by the curved downwards protuberance structure of establishing the described locking mechanism of conduct that forms of ironware body.
The top of chair leg constitutes backrest before described.
Before the both sides of described chair plate are hinged on by a cross bar between the inboard of two leg bars of chair leg; This cross bar along about in the chair plate bottom face that is fixed on corresponding to the guide groove back-end location, the two ends of cross bar are hinged with the both sides leg bar of preceding chair leg respectively.
The beneficial effects of the utility model are: owing to be provided with the locking mechanism that is used to locate the back leg top in the front side of the guide groove of folding seat, and this locking mechanism is the protuberance that is arranged in the guide groove, make the back leg of this folding seat under deployed condition, and when its top slides to the guide groove front side, can effectively be positioned on the front side of guide groove by protuberance set in the guide groove, and can arbitrarily not slide into the rear side of guide groove, thereby the security that has improved this folding seat greatly.Obviously, the design of the locking mechanism of this folding seat has characteristics simple in structure, that achieve noticeable achievement.
Below in conjunction with drawings and Examples the utility model is described in further detail; But a kind of folding seat that is provided with locking mechanism of the present utility model is not limited to embodiment.
Description of drawings
Fig. 1 is a partial rear view of the present utility model;
Fig. 2 is an expansion side view of the present utility model;
Fig. 3 is an expansion front view of the present utility model.
The specific embodiment
Embodiment, shown in accompanying drawing, a kind of folding seat that is provided with locking mechanism of the present utility model comprises a chair plate 1, is the preceding chair leg 2 of inverted U-shaped and is the back leg 3 of inverted U-shaped; Forward and backward chair leg 2,3 includes both sides leg bar respectively; Be hinged at medium position respectively between the corresponding leg bar of forward and backward chair leg 2,3; Before the both sides of chair plate 1 are hinged on respectively between the inboard of two leg bars of chair leg 2; Also be provided with the guide groove 4 that is made by ironware in the bottom of chair plate 1; This guide groove 4 is along the fore-and-aft direction of chair plate 1 and establish; The top ends of back leg 3 can be engaged in the described guide groove 4 slidingly back and forth; The front side of guide groove 4 is provided with the locking mechanism that is used to locate back leg 3 tops; This locking mechanism is the protuberance 411 that is arranged in the guide groove 4.
Wherein,
Described guide groove 4 comprises a U-iron spare 41 and shape ironware 42 always, and the two ends of this straight shape ironware 42 are separately fixed at the forward and backward position of chair plate 1 bottom face; The two ends that two upper ends of U-iron spare 41 outwards bend 90 degree backs and straight shape ironware 42 respectively fix; The U-shaped chamber of U-iron spare 41 surrounds and can carry out the guide groove 4 that slides in front and back for the top ends of back leg 3 with straight shape ironware 42;
As a kind of preferred, described protuberance 411 as locking mechanism is made as by the upwards curved protuberance structure that forms of establishing of the ironware body of the front side, bottom of U-iron spare 41, and this had both saved the material of making protuberance 411, had simplified the manufacture craft of protuberance 411 again.
The top of chair leg 2 constitutes backrest before described; The leg bar middle and lower part, both sides of preceding chair leg 2 is linked by a knee 21;
Before the both sides of described chair plate 1 are hinged on by a cross bar 11 between the inboard of two leg bars of chair leg 2; This cross bar 11 along about in the bottom face that is fixed on corresponding to the chair plate 1 of guide groove 4 back-end locations, the two ends of cross bar 11 are hinged with the both sides leg bar of preceding chair leg 2 respectively.
A kind of folding seat that is provided with locking mechanism of the present utility model, in the expansion process, the top of its back leg 3 slides to the front side of guide groove 4 along the rear side of guide groove 4, simultaneously, under the hinged effect of cross bar 11 and the leg bar of preceding chair leg 2 both sides, chair plate 1 by erectility clockwise upset be level.When the top of back leg 3 slides to guide groove 4 front sides, and run into U-iron spare 41 front sides set protuberance 411 time, only need the user to exert oneself a little, the top that can make back leg 3 is by this protuberance 411 and be positioned by this protuberance 411 in the guide groove 4 of these protuberance 411 front sides, thereby makes this folding seat be stable deployed condition.On the contrary, this folding seat is in the process of folding, and the top of its back leg 3 will slide to the rear side of guide groove 4 along the front side of guide groove 4, simultaneously, under the hinged effect of cross bar 11 and the leg bar of preceding chair leg 2 both sides, chair plate 1 by level counterclockwise upset be erectility.When the top of back leg 3 slides to rear side from the front side of guide groove 4, and when running into the set protuberance 411 in U-iron spare 41 front sides, only need the user to exert oneself a little, the top that can make back leg 3 is by this protuberance 411 and slide to guide groove 4 rear sides, thereby makes this folding seat be collapse state.
The foregoing description only is used for further specifying a kind of folding seat that is provided with locking mechanism of the present utility model; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls into the protection domain of technical solutions of the utility model to any simple modification, equivalent variations and modification that above embodiment did.
Claims (7)
1. folding seat that is provided with locking mechanism comprises a chair plate, is the preceding chair leg of inverted U-shaped and is the back leg of inverted U-shaped; Forward and backward chair leg includes both sides leg bar respectively; Be hinged at medium position respectively between the corresponding leg bar of forward and backward chair leg; Before the both sides of chair plate are hinged on respectively between the inboard of two leg bars of chair leg; Bottom at the chair plate also is provided with the guide groove that is made by ironware; This guide groove is along the fore-and-aft direction of chair plate and establish; The top ends of back leg can be engaged in the described guide groove slidingly back and forth; It is characterized in that: the front side of guide groove is provided with the locking mechanism that is used to locate the back leg top; This locking mechanism is the protuberance that is arranged in the guide groove.
2. the folding seat that is provided with locking mechanism according to claim 1 is characterized in that: described guide groove comprises a U-iron spare, and the forward and backward position that two upper ends of U-iron spare outwards bend 90 degree backs and chair plate bottom face respectively fixes; The guide groove that the U-shaped chamber of U-iron spare and the bottom face of chair plate slide before and after surrounding and can carrying out for the top ends of back leg; Be provided with by the upwards curved protuberance structure of establishing the described locking mechanism of conduct that forms of ironware body in the front side of the bottom of U-iron spare.
3. the folding seat that is provided with locking mechanism according to claim 1 is characterized in that: described guide groove comprises a U-iron spare and shape ironware always, and the two ends of this straight shape ironware are separately fixed at the forward and backward position of chair plate bottom face; The two ends that two upper ends of U-iron spare outwards bend 90 degree backs and straight shape ironware respectively fix; The U-shaped chamber of U-iron spare surrounds and can carry out the guide groove that slides in front and back for the top ends of back leg with straight shape ironware.
4. the folding seat that is provided with locking mechanism according to claim 3 is characterized in that: be provided with in the front side of the bottom of U-iron spare by the upwards curved protuberance structure of establishing the described locking mechanism of conduct that forms of ironware body.
5. the folding seat that is provided with locking mechanism according to claim 3 is characterized in that: the leading section at straight shape ironware is provided with by the curved downwards protuberance structure of establishing the described locking mechanism of conduct that forms of ironware body.
6. the folding seat that is provided with locking mechanism according to claim 1 is characterized in that: the top of chair leg constitutes backrest before described.
7. the folding seat that is provided with locking mechanism according to claim 1 is characterized in that: before the both sides of described chair plate are hinged on by a cross bar between the inboard of two leg bars of chair leg; This cross bar along about in the chair plate bottom face that is fixed on corresponding to the guide groove back-end location, the two ends of cross bar are hinged with the both sides leg bar of preceding chair leg respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920313903XU CN201577845U (en) | 2009-11-02 | 2009-11-02 | Folding chair provided with locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920313903XU CN201577845U (en) | 2009-11-02 | 2009-11-02 | Folding chair provided with locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201577845U true CN201577845U (en) | 2010-09-15 |
Family
ID=42719837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920313903XU Expired - Fee Related CN201577845U (en) | 2009-11-02 | 2009-11-02 | Folding chair provided with locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201577845U (en) |
-
2009
- 2009-11-02 CN CN200920313903XU patent/CN201577845U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20131102 |