CN203662345U - Foldable multi-purpose ladder chair - Google Patents

Foldable multi-purpose ladder chair Download PDF

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Publication number
CN203662345U
CN203662345U CN201420056789.8U CN201420056789U CN203662345U CN 203662345 U CN203662345 U CN 203662345U CN 201420056789 U CN201420056789 U CN 201420056789U CN 203662345 U CN203662345 U CN 203662345U
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CN
China
Prior art keywords
backrest
latch fitting
locating
articulated
folding
Prior art date
Application number
CN201420056789.8U
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Chinese (zh)
Inventor
史普芹
Original Assignee
史普芹
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Publication date
Application filed by 史普芹 filed Critical 史普芹
Priority to CN201420056789.8U priority Critical patent/CN203662345U/en
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Publication of CN203662345U publication Critical patent/CN203662345U/en

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Abstract

The utility model discloses a foldable multi-purpose ladder chair. The ladder chair comprises front supporting legs, rear supporting legs, a stool plane, a backrest and supporting rods. The tops of the front supporting legs and the rear supporting legs are pivoted to the front and rear sides of the stool plane respectively. The backrest comprises two backrest vertical rods and is pivoted to the top ends of the rear supporting legs in a vertical turning location mode through a locking part. The top ends of the supporting rods are pivoted to the top of the backrest, stepping plates are arranged on the rear supporting legs and the backrest, first limit parts for limiting the opening angle of the front and rear supporting legs are pivoted between the backrest and the front supporting rods, and second limit parts for limiting the opening angle of the backrest and the supporting rods are pivoted between the backrest and the supporting rods. According to the ladder chair, the design is reasonable, the structure is stable, the ladder chair can be changed among three forms of a chair, a stool and a ladder, users can select corresponding forms according to practical situations, and various requirements of users are met. The ladder chair can be folded, so that the occupied space is reduced, and the ladder chair is convenient to store and transport.

Description

Folding multi-use ladder chair

Technical field

The utility model relates to a kind of folding multi-use ladder chair.

Background technology

In modern's daily life, need often the object in family to be cleaned.In cleaning, some highly exceed the place of staff, need to finish the work by stool, chair.But stool is not to manufacture for padded operation after all, use procedure is extremely inconvenient, and repeatedly tramples the stool face stool of can wearing, and affects stool attractive in appearance and service life; And the volume of ladder is excessive, carrying effort, and inconvenience deposits at home, and especially all the more so in the room of narrow space; Therefore, being necessary to design a new product solves the problems referred to above in fact.

Utility model content

For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of folding multi-use ladder chair, and its reasonable in design, stabilized structure, can convert in chair, stool and three kinds of forms of ladder, meets the multiple demand of people's daily life.

For achieving the above object, the utility model adopts following technical scheme:

Folding multi-use ladder chair, comprise front leg strut, rear support leg, stool face, backrest and support bar, the top of described front leg strut and rear support leg is articulated in respectively the both sides, front and back of stool face, described backrest comprises two backrest vertical rods, can spin upside down by a latch fitting top that is positioningly articulated in rear support leg, the top pivot joint of the top of described support bar and backrest, described rear support leg and backrest are provided with pedal, between described rear support leg and front leg strut, be articulated with the first locating part for limiting the two distraction angle, between described backrest and support bar, be articulated with the second locating part for limiting the two distraction angle.

Further, described latch fitting comprises male latch fitting, female latch fitting and connecting axle, described public latch fitting is fixed on backrest bottom, described female latch fitting is fixed on rear support leg top, the two side that male latch fitting is adjacent with female latch fitting is provided with the mutual limiting section engaging, described connecting axle is arranged between male latch fitting and female latch fitting, for regulating the distance between the two, with the engaging that realizes described limiting section with separate.

Further, described female latch fitting is provided with screens groove away from one end of male latch fitting, connecting axle is provided with and holds cap near one end of public latch fitting, connecting axle is articulated with Fast detachable unit near one end of female latch fitting, this Fast detachable unit comprises the handle portion of base portion and connection base portion, and a side of described base portion is provided with the protuberance agreeing with mutually with screens groove.

Further, also comprise the handrail that is installed in actively backrest top, this handrail comprises two expansion links and connects the bar of this two expansion link, and described expansion link can telescopically be socketed with backrest vertical rod up and down mutually along the length direction of backrest vertical rod.

Further, between handrail and backrest vertical rod, be provided with detent mechanism, this detent mechanism comprise be opened in backrest vertical rod sidewall locating hole, be opened in the accepting hole of expansion link sidewall and be compressed in the U-shaped elastic component of expansion link inside, one of them free end convex of this U-shaped elastic component is provided with locating convex block, and this locating convex block holds and is arranged in described accepting hole.

Further, described the first locating part and the second locating part all have bar shaped substrate, the substrate two ends of the first locating part are articulated in respectively on described rear support leg and front leg strut, substrate one end of described the second locating part is articulated in backrest vertical rod, the substrate other end is provided with bar shaped chute, and this bar shaped chute is fastened on the pin that is arranged on described support bar.

Further, described the first locating part is provided with two altogether, and wherein one end of two the first locating parts is articulated on described rear support leg together, and the other end of two the first locating parts is articulated in respectively the upper and lower of described front leg strut.

Further, between described front leg strut, be provided with the first bracing piece, between described support bar, be provided with the second bracing piece.

As mentioned above, the utility model is reasonable in design, stabilized structure, can convert in chair, stool and three kinds of forms of ladder, allows user select corresponding form according to actual conditions, meets people's multiple demand; And the utility model can fold, reduce to take up room, convenient collection and carrying.

Accompanying drawing explanation

Fig. 1 is the stereogram of the utility model stool form;

Fig. 2 is the stereogram of the utility model chair form;

Fig. 3 is the three-dimensional exploded view of latch fitting shown in A in Fig. 2;

Fig. 4 is the side view of the utility model latch fitting;

Fig. 5 is the stereogram of the utility model ladder form;

Fig. 6 is a kind of view of the utility model detent mechanism;

Fig. 7 is the stereogram of the utility model folded state.

Wherein: 10, front leg strut; 11, the first bracing piece; 20, rear support leg; 30, stool face; 40, backrest; 41, backrest vertical rod; 42, pedal; 50, support bar; 51, the second bracing piece; 61, public latch fitting; 62, female latch fitting; 621, limiting section; 622, screens groove; 63, connecting axle; 631, hold cap; 632, Fast detachable unit; 6321, base portion; 6322, handle portion; 6323, protuberance; 70, handrail; 71, expansion link; 711, U-shaped elastic component; 712, locating convex block; 72, bar; 81, the first locating part; 82, the second locating part; 821, bar shaped chute.

The specific embodiment

Below, by reference to the accompanying drawings and the specific embodiment, the utility model is described further:

Refer to Fig. 1, Fig. 2, Fig. 5 and Fig. 7, the utility model provides a kind of folding multi-use ladder chair, comprise front leg strut 10, rear support leg 20, stool face 30, backrest 40 and support bar 50, the top of described front leg strut 10 and rear support leg 20 is articulated in respectively the both sides, front and back of stool face 30, described backrest 40 comprises two backrest vertical rods 41, this backrest 40 can spin upside down by a latch fitting top that is positioningly articulated in rear support leg 20, the top pivot joint of the top of described support bar 50 and backrest 40, described rear support leg 20 and backrest 40 are provided with pedal 42, between described rear support leg 20 and front leg strut 10, be articulated with the first locating part 81 for limiting the two distraction angle, between described backrest 40 and support bar 50, be articulated with the second locating part 82 for limiting the two distraction angle.

Please continue and consult Fig. 1, when the utility model uses with stool form, described stool face 30 horizontal positioned, described front leg strut 10 and rear support leg 20 are supported in respectively the front and back of stool face 30, described backrest 40 upsets fold and are resisted against the rear surface of described rear support leg 20, thereby can form a stool.

Refer to Fig. 2, Fig. 3 and Fig. 4, when the utility model uses with chair form, only need be on the basis of above-mentioned stool form, described backrest 40 is upwards overturn, make backrest 40 and stool face 30 be suitable angle, now, described latch fitting can carry out strong fix by the position of backrest 40, thereby can form a chair.

Refer to Fig. 5 and Fig. 6, when the utility model uses with ladder form, only need be on the basis of above-mentioned chair form, adjust the angle between backrest 40 and rear support leg 20, make backrest 40 and rear support leg 20 be 180 ° of angles, the plate face of described pedal 42 is all parallel, more described support bar 50 is supported on described stool face 30, thereby can form a ladder.

Refer to Fig. 7, when the utility model leaves unused, above-mentioned support bar 50 can be packed up, make it concordant with backrest 40, then the two is overturn together and is against the rear surface of described rear support leg 20; Described front leg strut 10 is drawn in toward the bottom surface of described stool face 30, stool face 30 up overturn simultaneously, can realize that the utility model is folding to put in place, thereby be conducive to terraced this folding multi-use chair to carry and collect.

Refer to Fig. 2, Fig. 3 and Fig. 4, further, described latch fitting comprises male latch fitting 61, female latch fitting 62 and connecting axle 63, described public latch fitting 61 is fixed on backrest 40 bottoms, described female latch fitting 62 is fixed on rear support leg 20 tops, and the two side that male latch fitting 61 is adjacent with female latch fitting 62 is provided with the mutual limiting section engaging 621, and described connecting axle 63 is arranged between male latch fitting 61 and female latch fitting 62, for regulating distance between the two, with the engaging that realizes described limiting section 621 with separate; After limiting section 621 engages mutually, described male latch fitting 61 and female latch fitting 62 just can not rotate around connecting axle 63, and then can realize the location of angle between backrest 40 and rear support leg 20; When limiting section 621 after separatings, described male latch fitting 61 and female latch fitting 62 just can rotate around connecting axle 63, and then angle between adjustable backrest 40 and rear support leg 20; Be worth mentioning, described limiting section 621 can be the latch being arranged on the two side that described male latch fitting 61 is adjacent with female latch fitting 62, also can be groove and the projection cooperatively interacting, or other can limit the structure that described male latch fitting 61 and female latch fitting 62 relatively rotate.

Preferably, described female latch fitting 62 is provided with screens groove 622 away from one end of male latch fitting 61, connecting axle 63 is provided with and holds cap 631 near one end of public latch fitting 61, connecting axle 63 is articulated with Fast detachable unit 632 near one end of female latch fitting 62, this Fast detachable unit 632 comprises the handle portion 6322 of base portion 6321 and connection base portion 6321, and a side of described base portion 6321 is provided with the protuberance 6323 agreeing with mutually with screens groove 622; Arrest handle portion 6322, rotate this Fast detachable unit 632, described protuberance 6323 is snapped in screens groove 622, now, described male latch fitting 61 can be separated from each other with female latch fitting 62, thereby male latch fitting 61 can rotate around connecting axle 63 with female latch fitting 62, and then angle between adjustable backrest 40 and rear support leg 20; When this Fast detachable unit 632 of rotation, while making described protuberance 6323 skid off screens groove 622, Fast detachable unit 632 hauls connecting axle 63 and drives described male latch fitting 61 mutually close with female latch fitting 62, the limiting section 621 of male latch fitting 61 and female latch fitting 62 is engaged mutually, thereby complete the location of the two, and then by the angle orientation between backrest 40 and rear support leg 20; The ground of being worth mentioning, this connecting axle 63 can also be other structure, as screw rod and nut, regulates the distance of male latch fitting 61 and female latch fitting 62, the engaging that realizes the two all can with the assembly separating as long as playing.

Refer to Fig. 5 and Fig. 6, further, this folding multi-use ladder chair also comprises the handrail 70 that is installed in actively backrest 40 tops, this handrail 70 comprises two expansion links 71 and connects the bar 72 on these two expansion links, 71 tops, described expansion link 71 is socketed mutually with backrest vertical rod 41, this expansion link 71 can be flexible along the length direction of backrest vertical rod 41, thereby in the time that the utility model uses with ladder form, can extract this handrail 70 out backrest vertical rod 41, be conducive to user and help, the safety coefficient while increasing ladder use.

Preferably, between handrail 70 and backrest vertical rod 41, be provided with detent mechanism, this detent mechanism comprise be opened in backrest vertical rod 41 sidewalls locating hole (in figure do not indicate), be opened in the accepting hole (not indicating in figure) of expansion link 71 sidewalls and be compressed in the U-shaped elastic component 711 of expansion link 71 inside, this U-shaped elastic component 711 free end convex is in the outer part provided with locating convex block 712, and this locating convex block 712 holds and is arranged in described accepting hole under the elastic force effect of U-shaped elastic component 711 self; Particularly, described locating hole is opened in the tip position of backrest vertical rod 41, and described accepting hole is opened in the bottom position of expansion link 71; Pull handrail 70, make expansion link 71 slide against backrest vertical rod 41 when interior, U-shaped elastic component 711 is because self elasticity is in compressive state, and described locating convex block 712 is fastened in accepting hole, thereby guarantees that this U-shaped elastic component 711 can not come off; When described handrail 70 pulls while putting in place, now accepting hole overlaps with position of positioning hole, and described locating convex block 712 ejects outward under the elastic force effect of U-shaped elastic component 711 self, and is fastened in locating hole, thus the location of realizing this handrail 70; This U-shaped elastic component 711 has certain elastic force, therefore, when handrail 70 is in the time stretching out state, need to press down energetically handrail 70 and could realize this handrail 70 is taken in backrest 40, thereby improve the stability of this handrail 70; Be worth mentioning, when the outer surface of this locating convex block 712 is designed to circular arc, can make handrail 70 obtain preferably flexible locating effect; In addition, above-described embodiment has only been discussed expansion link 71 and has been socketed on the situation within backrest vertical rod 41, and when described expansion link 71 is socketed on backrest vertical rod 41 when outer, 711 compression set of U-shaped elastic component are in backrest vertical rod 41 inside, the principle of its principle and above-described embodiment is similar, just repeats no more herein; And, above-described embodiment only provides U-shaped elastic component 711 one of them free end and is provided with the situation of locating convex block 712, in fact, on two free ends of U-shaped elastic component 711, a locating convex block 712 is set respectively and also can, the principle of its operation principle and above-described embodiment is similar, does not also repeat herein.

Refer to Fig. 1, Fig. 2 and Fig. 5, further, described the first locating part 81 and the second locating part 82 all have bar shaped substrate, the substrate two ends of the first locating part 81 are articulated in respectively on described rear support leg 20 and front leg strut 10, substrate one end of described the second locating part 82 is articulated in backrest vertical rod 41, the substrate other end is provided with bar shaped chute 821, and this bar shaped chute 821 is fastened in the pin (not shown) that is arranged on described support bar 50; Therefore, in the time that the utility model uses with stool, chair, ladder form, described the first locating part 81 can limit the distraction angle between front leg strut 10 and rear support leg 20, and described the second locating part 82 can limit the distraction angle between backrest 40 and support bar 50; Described the first locating part 81 and the second locating part 82 also can strengthen the integrally-built stability of the utility model.

Preferably, described the first locating part 81 is provided with two altogether, and two wherein one end of the first locating part 81 is articulated on described rear support leg 20 together, article two, the other end of the first locating part 81 is articulated in respectively the upper and lower of described front leg strut 10, a gusseted structure of this two first locating part 81 and described front leg strut 10 common formation, this gusseted structure can further strengthen the stability of the utility model in various form use procedures.

Further, between described front leg strut 10, be provided with the first bracing piece 11, between described support bar 50, be provided with the second bracing piece 51.

As mentioned above, the utility model is reasonable in design, stabilized structure, can convert in chair, stool and three kinds of forms of ladder, allows user select corresponding form according to actual conditions, meets people's multiple demand; And the utility model can fold, reduce to take up room, convenient collection and carrying.

To one skilled in the art, can be according to technical scheme described above and design, make other various corresponding changes and deformation, and within these all changes and deformation all should belong to the protection domain of the utility model claim.

Claims (8)

1. folding multi-use ladder chair, it is characterized in that: comprise front leg strut, rear support leg, stool face, backrest and support bar, the top of described front leg strut and rear support leg is articulated in respectively the both sides, front and back of stool face, described backrest comprises two backrest vertical rods, can spin upside down by a latch fitting top that is positioningly articulated in rear support leg, the top pivot joint of the top of described support bar and backrest, described rear support leg and backrest are provided with pedal, between described rear support leg and front leg strut, be articulated with the first locating part for limiting the two distraction angle, between described backrest and support bar, be articulated with the second locating part for limiting the two distraction angle.
2. folding multi-use ladder chair as claimed in claim 1, it is characterized in that: described latch fitting comprises male latch fitting, female latch fitting and connecting axle, described public latch fitting is fixed on backrest bottom, described female latch fitting is fixed on rear support leg top, the two side that male latch fitting is adjacent with female latch fitting is provided with the mutual limiting section engaging, described connecting axle is arranged between male latch fitting and female latch fitting, for regulating the distance between the two, with the engaging that realizes described limiting section with separate.
3. folding multi-use ladder chair as claimed in claim 2, it is characterized in that: described female latch fitting is provided with screens groove away from one end of male latch fitting, connecting axle is provided with and holds cap near one end of public latch fitting, connecting axle is articulated with Fast detachable unit near one end of female latch fitting, this Fast detachable unit comprises the handle portion of base portion and connection base portion, and a side of described base portion is provided with the protuberance agreeing with mutually with screens groove.
4. folding multi-use ladder chair as claimed in claim 1, it is characterized in that: also comprise the handrail that is installed in actively backrest top, this handrail comprises two expansion links and connects the bar of this two expansion link, and described expansion link can telescopically be socketed with backrest vertical rod up and down mutually along the length direction of backrest vertical rod.
5. folding multi-use ladder chair as claimed in claim 4, it is characterized in that: between handrail and backrest vertical rod, be provided with detent mechanism, this detent mechanism comprise be opened in backrest vertical rod sidewall locating hole, be opened in the accepting hole of expansion link sidewall and be compressed in the U-shaped elastic component of expansion link inside, one of them free end convex of this U-shaped elastic component is provided with locating convex block, and this locating convex block holds and is arranged in described accepting hole.
6. folding multi-use ladder chair as claimed in claim 1, it is characterized in that: described the first locating part and the second locating part all have bar shaped substrate, the substrate two ends of the first locating part are articulated in respectively on described rear support leg and front leg strut, substrate one end of described the second locating part is articulated in backrest vertical rod, the substrate other end is provided with bar shaped chute, and this bar shaped chute is fastened on the pin that is arranged on described support bar.
7. folding multi-use ladder chair as claimed in claim 6, it is characterized in that: described the first locating part is provided with two altogether, and two wherein one end of the first locating part is articulated on described rear support leg together, and the other end of two the first locating parts is articulated in respectively the upper and lower of described front leg strut.
8. folding multi-use ladder chair as claimed in claim 1, is characterized in that: between described front leg strut, be provided with the first bracing piece, be provided with the second bracing piece between described support bar.
CN201420056789.8U 2014-01-28 2014-01-28 Foldable multi-purpose ladder chair CN203662345U (en)

Priority Applications (1)

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CN201420056789.8U CN203662345U (en) 2014-01-28 2014-01-28 Foldable multi-purpose ladder chair

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CN201420056789.8U CN203662345U (en) 2014-01-28 2014-01-28 Foldable multi-purpose ladder chair

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CN203662345U true CN203662345U (en) 2014-06-25

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105011613A (en) * 2015-06-24 2015-11-04 苏州市职业大学 Lambdoidal ladder chair
CN105029942A (en) * 2015-06-24 2015-11-11 苏州市职业大学 Linear ladder-chair
CN105078066A (en) * 2015-08-24 2015-11-25 苏州市职业大学 Ladder chair
CN105105558A (en) * 2015-08-24 2015-12-02 苏州市职业大学 Turnover transformation ladder chair
CN108903397A (en) * 2018-04-13 2018-11-30 长沙宁湖机械设备有限公司 A kind of multi-functional deformation table

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105011613A (en) * 2015-06-24 2015-11-04 苏州市职业大学 Lambdoidal ladder chair
CN105029942A (en) * 2015-06-24 2015-11-11 苏州市职业大学 Linear ladder-chair
CN105029942B (en) * 2015-06-24 2017-12-15 苏州市职业大学 A kind of yi word pattern ladder chair
CN105078066A (en) * 2015-08-24 2015-11-25 苏州市职业大学 Ladder chair
CN105105558A (en) * 2015-08-24 2015-12-02 苏州市职业大学 Turnover transformation ladder chair
CN105078066B (en) * 2015-08-24 2017-12-29 苏州市职业大学 A kind of ladder chair
CN108903397A (en) * 2018-04-13 2018-11-30 长沙宁湖机械设备有限公司 A kind of multi-functional deformation table

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140625

Termination date: 20200128