CN2441376Y

CN2441376Y - Combined church chair

Info

Publication number: CN2441376Y
Application number: CN 00239462
Authority: CN
Inventors: 曾池佳
Original assignee: GONGNIU FURNITURE CO Ltd LONGJIANG TOWN SHUNDE CITY
Priority date: 2000-09-15
Filing date: 2000-09-15
Publication date: 2001-08-08
Anticipated expiration: 2010-09-15

Abstract

The utility model provides a combined church chair, which is composed of chair feet, a backrest, chair seats and a table surface plate. The lower end of the chair feet are provided with bottom seats, and the backrest is composed of a frame rack and a surface plate. The backrest is connected with the chair feet by the connecting components on the two sides of the backrest, and the lower end of the backrest is provided with a transverse beam connected with the chair feet. The two chair seats are hinged on the transverse beam through the bottom seat and a bearing rack on the transverse beam, and the back ends of the upper parts of the chair feet and the backrest are provided with a hinging shaft through a supporting rack. The two table surface plates with opening and closing mechanisms are hinged on the hinging shaft. The combined church chair has the advantages of easy assembly and disassembly, convenient storage, convenient carrying and convenient sale and is suitable for classrooms and assembly halls.

Description

The assembly type church chair

The utility model relates to furniture, particularly a kind of assembly type church chair.

As everyone knows, church chair is a kind of chair with a small table surface, can be engaged in the work of reading or take notes etc. after people are sitting on the chair on small table surface.In prior art, small table surface is generally all assisted the front end that is located at handrail, has fixed or radial type.Yet no matter be the church chair of that a kind of form, its structure all is an integrally fastened, and institute takes up space bigger, is not easy to deposit transportation and sale.

The purpose of this utility model is at above-mentioned situation, provides a kind of and installs and removes conveniently, assembly type church chair aesthetic in appearance newly designs.

Task of the present utility model realizes by this way: this church chair comprises the chair pin, seat support, backrest and desktop, it is characterized in that the chair pin is two, be provided with base at chair sole end, backrest is made of a back frame and panel, its both sides link together by connector and two chair pin, be provided with a crossbeam that is connected with connector with two chair pin in the backrest bottom, on crossbeam, be provided with two carriages, two seat supports are by its underframe and carriage is hinged places on the crossbeam, on the underframe of each seat support, be provided with a location crossbeam, in rear end, chair pin top and back frame top in the middle of the rear end support plate respectively is set, a jointed shaft is supported on the support holes of three support plates, and two desktops that are provided with open-and-close mechanism are articulated on the jointed shaft with the anterior hinge hole of its both sides.

The purpose of this utility model also can take following measure to realize:

Described connector can be bolt, nut but preferably adopt following embodiment; This connector is a rivet type, is fixed in the both sides of back frame and crossbeam with its small end, and the connector on each every limit of assembly parts has the hole clipping of being made up of the vertical fixing groove of connector patchhole and connection with it to being no less than 2 for a short time on the chair pin of correspondence.During assembling, the connector patchhole of each hole clipping of chair pin is aimed at each connector of back frame and crossbeam, and allows each connector be inserted in the hole, again with back frame and crossbeam toward pressing down, connector is embedded in the vertical fixing groove gets final product.Adopt this method of attachment to have and install and remove conveniently advantage.

Described desktop open-and-close mechanism can adopt following two kinds of versions: the first is a hinged cramp bar in the desktop bottom surface, the rest pad of a band groove is set at the backrest rear portion, during use, earlier desktop is dug, allowed cramp bar be inserted in the groove of rest pad then and just can.It two is that the hinge hole of opening in the desktop both sides is a slotted hole, respectively is provided with a spacing plush copper of level in both sides, back frame support plate top.When not needing desktop, the desktop rear end can be lifted, allow then slotted hole along jointed shaft to downslide, receive the root of Dahurian angelica in the backrest back.In use, desktop up is drawn out to the slotted hole bottom, upset allows the spacing plush copper of level block desktop and gets final product then, and this desk telephone plate open-and-close mechanism has easy to use, advantages of simple structure and simple.

Front at the jointed shaft of seat support underframe and carriage also is provided with a secondary jointed shaft, and underframe both sides above it respectively have a slotted hole, between two slotted holes, be provided with a sliding axle, each links together with a connecting rod at the two ends of secondary jointed shaft and sliding axle, also is provided with an extension spring between secondary jointed shaft and sliding axle.When people turn down seat support when sitting thereon from plumbness, be subjected to the restriction of the location crossbeam of underframe, seat support has overturn about 90.Because secondary jointed shaft is positioned at the front of jointed shaft, its connecting rod must promote sliding axle and move forward along slotted hole, and extension spring is elongated a little; And after people stand up, need only when gently seat support being turned over to the upright position with have gentle hands, extension spring just resets, if this moment is no external force effect, under the pulling force effect of extension spring, seat support can not turn to horizontal level automatically, thereby the phenomenon of having avoided seat support down to overturn takes place.In addition,, also can not produce excessive collision sound in the seat support upset or when resetting, compare, can reduce the noise in church greatly with torsionspring do the to reset switching mechanism of power is set because that the deflection of spring is stretched in the position is little.

Place foreign material such as school bag or books for the ease of the student, a fence type L type goods rack made from steel pipe can be set in the crossbeam back.

Below in conjunction with accompanying drawing structure of the present utility model is further described.

Fig. 1 is the stereogram of a kind of concrete structure of the utility model.

Fig. 2 is along the transverse sectional view of seat support (10) center line among Fig. 1.

Fig. 3 is the enlarged drawing at A place among Fig. 2.

Fig. 4 is the structure and the assembly state diagram of connector (6).

Fig. 5 is along the cutaway view of B-B line among Fig. 4.

Fig. 6 is a plurality of the utility model assembled state figure.

As depicted in figs. 1 and 2, two chair pin 1 are to form with the steel pipe rolling, link together by screw and the strip base made from steel pipe 2 in its bottom.Back frame 4 and panel 5 that backrest 3 is made by shaped steel are assembled.As shown in Figure 4 and Figure 5, be welded with two rivet type connectors 6 in the outside of back frame 4, be anchored on the two chair pin 1 by cooperating with the chair pin 1 inboard corresponding hole clipping of offering 7.Crossbeam 8 is arranged at the lower end of backrest 3, and also corresponding three hole clippings 7 cooperate and are anchored on two chair pin 1 on three rivet type connectors 6 by its both sides and the chair pin 1.Two carriages 9 are anchored on the front of crossbeam 8 with screw.As shown in Figure 2, seat support 10 is hinged with underframe 11 and carriage 9 by a jointed shaft 12 with its underframe 11 assembling backs.Location crossbeam 25 is horizontally placed on the bottom of underframe 11.As shown in Figure 3, be provided with a secondary jointed shaft 13 that runs through underframe 11 and carriage 9 in jointed shaft 12 fronts, the both sides of underframe 11 respectively have a slotted hole 14 above secondary jointed shaft 13, and a sliding axle 15 is set between two slotted holes 14, each links together with a connecting rod 16 at the two ends of secondary jointed shaft 13 and sliding axle 15, and is provided with an extension spring 17 between jointed shaft 12 and sliding axle 15.In chair pin rear end, 1 top and rear end, back frame 4 top a

support plate

18 and 19 respectively are set, and a jointed shaft 20 is set in the support holes thereon.Two desktops 21 are articulated on the jointed shaft 20 between

support plate

18 and 19 with the hinge hole 22 of its side.In the both sides on support plate 18 tops a horizontal location plush copper 23 is set respectively.The L shaped Shelf for placing articles 24 of fence type that is welded with round steel pipe is fixed in the back of crossbeam 8.Top at base 2 two ends and chair pin 1 is equipped with plastic closure, to increase aesthetic feeling.Chair pin 1, base 2 and crossbeam 8 can carry out plastic-blasting to be handled, to improve its corrosion resistance.Also can coat one deck high density polyurethane thereon, increase the comfort of using.As shown in Figure 5, several the utility model can fit together, and connect to row's church chair.

The utility model is fit to the conference hall, classroom and the auditorium uses.

Claims

1, a kind of assembly type church chair, comprise chair pin (1), seat support (2), backrest (3) and desktop (21), it is characterized in that chair pin (1) is two, be provided with base (2) in chair pin (1) bottom, backrest (3) is made of a back frame (4) and panel (5), its both sides link together by connector (6) and two chair pin (1), be provided with a crossbeam (8) that is connected with connector (6) with two chair pin (1) in backrest (3) bottom, on crossbeam (8), be provided with two carriages (9), two seat supports (10) place on the crossbeam (8) with carriage (9) is hinged by its underframe (11), on the underframe (9) of each seat support (10), be provided with a location crossbeam (25), in chair pin (1) rear end, top and back frame (4) rear end, top a support plate (18 and 19) respectively is set, a jointed shaft (20) is supported on the support holes of three support plates, and two desktops (21) that are provided with open-and-close mechanism are articulated on the jointed shaft (20) with its two forequarters hinge hole (22).

2, church chair according to claim 1, it is characterized in that described connector (6) is rivet type, its little head end is fixed in the both sides of back frame (4) and crossbeam (8), has by the connector patchhole on the chair pin (1) of correspondence and hole clipping (7) that the vertical fixing groove that is communicated with it constitutes.

3, church chair according to claim 1 is characterized in that the hinge hole (22) in the both sides of desktop (21) is a slotted hole, respectively is provided with a spacing plush copper of level (23) in support plate (18) both sides, top.

4, church chair according to claim 1, it is characterized in that also being provided with a secondary jointed shaft (13) that runs through underframe (11) and carriage (9) in the front of seat support (1) jointed shaft (12), both sides at secondary jointed shaft (13) top underframe (11) respectively have a slotted hole (14), and a sliding axle (15) is set between two slotted holes (14), each links together with a connecting rod (16) at the two ends of jointed shaft (12) and sliding axle (15), is provided with an extension spring (17) between jointed shaft (12) and sliding he (15).

5, church chair according to claim 1 is characterized in that also being provided with in the back of crossbeam (8) one and makes fence type L type goods rack (24) with steel pipe.