JP3095461U - Assembling chair - Google Patents

Abstract

(57) [Problem] To provide an assembling chair which can be changed into various forms by freely changing an assembling method, and which can be disassembled and easily stored. SOLUTION: The assembly type chair has a chair unit (1) and fastening means (through holes H1 to H5 connecting bolt 6, connecting nut 7).
Consists of The chair unit (1) includes a seat plate (2) and a back plate (3). The fastening means for connecting the chair units overlaps and fixes the front or back surface of the seat plate (2) of the other chair unit (1) to the front or back surface of the seat plate (2) of one chair unit (1). . A protruding plate (4) extending toward the back side of the back plate (3) may be provided at the upper end of the back plate (3).

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  The present invention relates to a prefabricated chair used as a sitting chair, a stool, etc. is there.

[0002]

[Prior art]

  2. Description of the Related Art Various types of prefabricated chairs that are easily stored and transported have been known. For example Foldable seats, back plate, and other components, and chair height can be changed There are things that have been done.   The following prior arts have been disclosed as this type of assembled chair (Patent Document 1 and 2).

[0003]

[Patent Document 1]           JP-A-6-217851

[Patent Document 2]           JP, 2001-190354, A

[0004]

[Problems to be solved by the device]

  However, with such a conventional prefabricated chair, it is possible to assemble it only once, Many of them are used in one form, and there are cases where they are insufficient in terms of functionality.   The present invention has been made in view of such a current situation, and the assembly method can be freely changed. By doing so, it can be changed into various forms, and it can be easily disassembled and stored. The purpose is to provide a prefabricated chair that can be used.

[0005]

[Means for Solving the Problems]

  The prefabricated chair of the present invention for solving the above-mentioned problems has the following constitutions of the first to fifth inventions. Decided to adopt. The configurations of these devices can be combined as needed. May be applied or may be applied alone.

[0006]   The prefabricated chair of the present invention (first invention) is   A chair unit including a seat plate and a back plate,   A fastening means capable of connecting the chair units, wherein one of the chair units is Overlay the front or back of the seat with the front or back of the other seat of the chair unit. Fastening means that can be fixed It is configured to include.

[0007]   In the assembled chair of the present invention (first invention), first, a seat plate and a back plate are provided on the chair unit. Therefore, only a single chair unit can be used as a sitting chair.   Also, when connecting multiple chair units, the backboards of a pair of chair units are Use the back plate as legs by overlapping and fixing the seat plates so that they face each other. It can also be used as an armrest. This allows the chair unit Can be easily developed into various forms.   Furthermore, by stacking the seatboard and backboard in the same direction, the chair can be used in a narrow space. The unit can be stored efficiently.   In the present specification, the fastening means means that the stacked seat plates are fixed so that they can be disassembled. Means things that are fixed directly with bolts and nuts, clamps, etc. The thing which the plate is piled up and pinched is included.

[0008]   The prefabricated chair according to the present invention (the second invention) has the backboard unit at the upper end of the backboard. The protruding plate extending toward the back side of the door is provided.

[0009]   When connecting the chair units, if the back plate is used as legs, the load on the back plate It takes. Therefore, in order to stably support the chair after connection, it is necessary to attach a shape to the tip of the back plate. It is desirable that some physical ingenuity be made.

[0010]   According to the present invention (the second invention), the protruding plate extends toward the back side of the back plate. Therefore, the load can be supported by the plate surface of the projecting plate to stabilize the chair.   Also, when using the chair unit by itself, the protruding plate is connected to the upper end of the back plate. As a result, the upper edge of the backboard is less likely to hit the back directly, making it easier to improve the sitting comfort.   Furthermore, when storing the chair unit, the protruding plate part becomes It becomes easier to stack chair units.

[0011]   In the assembled chair according to the present invention (third invention), the fastening means is inserted into the seat plate. At least two possible through holes, when the seat plate is rotated 180 ° A through hole is provided in which the position of each hole matches the position of the original hole.

[0012]   According to the present invention (third invention), when connecting the chair units, the seat plate is rotated by 180 °. When they are rotated and overlapped, the through holes communicate with each other at the matched positions. These penetrations By inserting the fastening means into the holes, the seat plates can be firmly fixed to each other.   In addition, the through holes will match even if the front or back surface of the seat plate is overlaid. , It is easy to combine the chair units and change the form of the chair.

[0013]   In the assembled chair according to the present invention (fourth invention), the through hole has a rectangular vertex, and It was arranged at the intersection of the diagonal lines of this rectangle.

[0014]   According to the present invention (fourth invention), through holes are arranged in a well-balanced manner on five places on the seat plate. Therefore, the fixing strength by the fastening means can be extremely increased.   In addition, by providing through holes at the intersections of the diagonal lines, temporary seating of the seat plate, etc., becomes easy. Therefore, the assembly work becomes easier.

[0015]   A prefabricated chair according to the present invention (fifth invention) is provided with the chair units of two sizes. The height dimension of one chair unit is equal to the height of the other chair unit. It is configured to be shorter than the flat dimension by the thickness of the seat plate.

[0016]   If the chair units are all the same size, stack the seats Once connected, one chair unit will be higher than the other. sand That is, the height of the seat plate is displaced by the thickness of the seat plate. For this reason such a chair If the back plate of the unit is used as the legs, the seating surface of the seat plate tends to tilt. .

[0017]   According to the present invention (the 5th invention), two types of chair unit having different heights by the thickness of the seat plate are used. Since the seats are used, the height of each chair unit will be even when the seats are stacked. Become. As a result, when the back plate of the chair unit is used as the leg, It is easy to keep the sliding surface horizontal, and it is possible to realize a stable and comfortable chair. Become Noh.   When using two types of chair units in this way, mark them to distinguish them. It should be easy to do. Assembly by instantly distinguishing the difference in size Work can be performed quickly and reliably.

[0018]

[Embodiment of device]

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.   The chair unit according to the first embodiment is shown in FIG.   The chair unit 1 includes a seat plate 2 and a back plate 3. The back plate 3 stands on the rear end of the seat plate 2. Can be raised. At the upper end of the back plate 3, a protruding plate 4 extends toward the back side. Seat plate 2, the back plate 3 and the protruding plate 4 are integrally molded of a material such as resin or metal. is there.

[0019]   Through holes H1 to H5 are provided on the plate surface of the seat plate 2. These through holes H1 to H5 Can be inserted with a connecting bolt (fastening means) described later. As shown in Figure 2 In addition, the through holes H1 to H5 coincide with the intersections of the vertices of the rectangle and the diagonal lines. these Coupling bolts are tightened in the through holes H1, H2, H4, and H5.

[0020]   Regarding the positional relationship between the seat plate 2 and the through holes H1 to H5, a line connecting the through holes H1 and H2, The lines connecting the through holes H4 and H5 are kept parallel to the front end of the seat plate 2. Well Also, the line connecting the through holes H1 and H4 and the line connecting the through holes H2 and H5 are on the side of the seat plate 2. It is kept almost parallel to the edges. Then, so that it substantially coincides with the center of the seat plate 2, A through hole H3 is provided.

[0021]   By providing the through holes H1 to H5 on the seat plate 2 in such a positional relationship, the broken line in FIG. As shown in Fig. 2, when the seat plate 2 is rotated 180 ° and stacked, the two seats The through holes H1 to H5 of the plate 2 are aligned and communicate with each other. That is, through holes H1 and H5 , Through-holes H2 and H4, and through-holes H3 and H3 respectively communicate with each other and connect to two seat plates 2. It becomes possible to insert a compound bolt.

[0022]   As shown in FIG. 1, the plate surface of the back plate 3 is connected to the rear end of the seat plate 2 at the curved portion 3a, The plate 2 is inclined slightly toward the rear side and extends upward. The upper end of the back plate 3 has a curved portion 3b. Is connected to the protruding plate 4.   The plate surface of the protruding plate 4 extends substantially horizontally toward the rear of the back plate 3. Projected in Figure 1 When the plate 4 is pressed from above, the back plate 3 bends and an appropriate elastic force is obtained.

[0023]   As shown in FIG. 3, the connecting bolt 6 inserted into the through holes H1 to H5 is a connecting nut. Tightened to 7. The male screw portion 6a of the coupling bolt 6 is the female screw portion 7 of the coupling nut 7. fit in a. The length of the male screw portion 6a is shorter than the thickness of the seat plate 2 stacked. Is set. Tighten connecting bolt 6 and connecting nut 7 through through holes H1 to H5. When it is fitted, the seat plates 2 are closely attached and fixed in the plate thickness direction.

[0024]   Tightening holes 6c and 7c are formed in the heads of the coupling bolt 6 and the coupling nut 7. . Rotate the connecting bolt 6 or the connecting nut 7 into the tightening holes 6c and 7c. A hex wrench or the like for fitting is fitted.

[0025]   The heads of the coupling bolt 6 and the coupling nut 7 are formed in a dish shape. Seat plate 2 It has a thickness that bulges slightly on the plate surface. As a result, either the front surface or the back surface of the seat plate 2 These heads are unobtrusive when sitting on it.

[0026]   Next, a usage example of the assembled chair according to the first embodiment will be described. [Use Example 1]   When using the chair unit 1 alone, sit down on the floor as shown in Fig. 1. Place plate 2. By sitting on the seatboard 2 with the backboard 3 facing rearward, It can be used in various forms. In this case, the connecting bolt 6 and the connecting nut 7 Is not used.   When assembling and using the chair unit, as shown in the following usage examples 2 to 5, The seat plates 2 are overlapped with each other and fixed by the connecting bolt 6 and the connecting nut 7.

[0027] [Use Example 2]   Use example 2 is a combination of two chair units 1 (see FIG. 4).   When connecting the chair units 1 and 1, make the back plates 3 face each other. The seat plates 2 and 2 are stacked and the through holes H1 to H5 are communicated with each other. Then, these through holes H1 The connecting bolts 6 and the connecting nuts 7 are inserted into .about.H5 and the seat plates 2 and 2 are fixed. This In such a state, the back plates 3 and 3 are turned down and the chair units 1 and 1 are stood.   As a result, as shown in FIG. 4, the back surface of the seat plate 2 faces upward, and the seat plate 2 is seated. It will be possible. The seat plate 2 can also be used as a step.

[0028] [Use Example 3]   The usage example 3 is a combination of three chair units 1 (see FIG. 5).   First, as in the second example of use, the seat plates 2 and 2 of the chair units 1 and 1 are overlapped, On top of that, the seat plate 2 of the chair unit 1 is overlaid. At this time, the highest chair uni The back plate 3 of the cot 1 is oriented in the same direction as one of the back plates 3 and 3 of the lower chair units 1 and 1 The through holes H1 to H5 are communicated with each other. Connecting bolts 6 and Insert the coupling nut 7 and fix the seat plates 2, 2, 2.   According to such a usage pattern, it is possible to sit on the seat plate 2 of the uppermost chair unit 1. You can With the back plates 3 and 3 of the lower chair units 2 and 2, the seating surface of the seat plate 2 is Since it is in a high position, it can be used in a form similar to a normal stool .

[0029]   As shown by the chain double-dashed line in FIG. 5, rotate the uppermost chair unit 1 90 degrees. May be. In this case, the positions of the through holes H1 to H5 are previously arranged at the apexes of the square. And the through holes H1 to H5 of the three seat plates 2 communicate with each other, and the connecting bolt 6 and the connecting nut 7 are connected. It becomes possible to fix with.   In this way, when the highest chair unit 1 is rotated 90 °, Since the space opens to the front side, there is a space to bend and insert the foot, giving you more freedom You can sit in a posture.

[0030] [Use Example 4]   Use example 4 is a combination of four chair units 1 (see FIG. 6).   After stacking the chair units 1, 1, 1 in the same state as in use example 3, The chair unit 1 is stacked so that the back plates 3 and 3 face each other. And each through hole H Connect 1 to H5 and tighten the connecting bolt 6 and connecting nut 7.   In Use Example 4, the chair unit 1 is used in a horizontal orientation. That is, the top seat Sit on board 2 from the side. The upper protruding plate 4 serves as an armrest. In addition, In the form of application example 4, it is also possible to use it upside down from the state of FIG.

[0031] [Use Example 5]   The fifth example of use is to sit on the back plate 2 of the chair unit 1 (FIG. 7). reference).   When connecting the chair units 1, four chair units 1 are connected in the same manner as in use example 4. Tie. When using, the chair unit 1 of the form shown in FIG. Stand 3, 3 sideways.   In use example 5, since the back surfaces of the upper back plates 3 and 3 face upward, sit on the back plates 3 and 3. You can The uppermost protruding plates 4 and 4 prevent the waist from protruding from the back plates 3 and 3. Get   Further, according to the usage example 5, the lower chair units 1 and 1 are kept at the same height. Therefore, the length of the legs of the chair becomes uniform. Therefore, the seating surface should be more horizontal. Can be kept in a state.   In addition, also in the form of the use example 5, the state of FIG. Both are possible.

[0032]   As described above, according to the assembled chair according to the first embodiment, the chair unit 1 can be freely moved. By combining them, it can be changed into various forms. This makes the situation You can select the most suitable form according to your needs, and use the chair unit for a wide range of applications. And become possible.

[0033]   When storing a prefabricated chair, disassemble each chair unit 1 into a single unit. Then, the seat plate 2 and the back plate 3 are aligned in the same direction and stacked. This makes the chair uni The unit 1 can be stored efficiently, which helps to effectively use the space. Also, product During stacking, the projecting plate 4 is caught and the workability is improved.

[0034]   Next, a second embodiment of the present invention is shown in FIG.   The second embodiment uses chair units of two sizes.   The prefabricated chair 20 includes chair units 1A and 1B. As shown in Figure 8 The chair units 1A and 1B are provided with seat plates 2A and 2B and back plates 3A and 3B. It Projecting plates 4A and 4B are provided at the tips of the back plates 3A and 3B.

[0035]   The height dimension L1 of the chair unit 1A is larger than the height dimension L2 of the chair unit 1B, It is as long as the thickness of the seat plate 2A. As a result, as shown in the use example 2 described above, the seat plate 2 When A and 2B are overlapped and fixed, the seating surface of the seat plate 2A is kept substantially horizontal.

[0036]   According to the second embodiment, since the seating surface of the seat plate 2A hardly tilts, Comfortable to sit. The same applies when used in the forms of use examples 3 and 4 described above. Like this, you can keep the seating surface almost horizontal and stabilize the sitting comfort. It will be possible.

[0037]   The first and second embodiments have been described, but the embodiment of the present invention is Without being limited to these, various modifications are possible.   For example, the size of the seat plate and the inclination angle of the back plate may be changed according to the use of the chair. . Also, the protruding plate can be omitted if necessary.

[0038]   The positions of the through holes are shown in FIG. 9 in addition to the first embodiment and the second embodiment. As shown, the through holes H1 to H5 may be arranged in the cross direction of the seat plate 2 (third embodiment). state).   Further, as shown in FIG. 10, even if through holes H1 to H6 are arranged at each vertex of a regular hexagon, Good (4th Embodiment).

[0039]   Further, as a fastening means, a clamp is used instead of the coupling bolt and the coupling nut. Etc. may be used. For example, as shown in FIG. 11, a clamp 51 is attached to the side end of the seat plate 2. Is attached and tightened with the fixing bolt 53 (fifth embodiment). In this case, the seat plate 2 Since it is not necessary to form a through hole in the chair unit 1, the chair unit 1 has a simpler structure.

[0040]

[Effect of device]

  As described above, the prefabricated chair of the present invention has the following excellent effects. Play.   (a) Various forms can be easily changed according to the purpose and use.   (b) Since the structure is simple, the manufacturing cost is less likely to occur.   (c) The chair units can be stacked and stored efficiently.

[Brief description of drawings]

FIG. 1 is a perspective view showing a chair unit of a prefabricated chair according to a first embodiment of the present invention.

FIG. 2 is a plan view showing a chair unit of the prefabricated chair according to the first embodiment of the present invention.

FIG. 3 is a partially enlarged cross-sectional view showing a fastening means of the prefabricated chair according to the first embodiment of the present invention.

FIG. 4 is a perspective view showing an example of use of the assembled chair according to the first embodiment of the present invention.

FIG. 5 is a perspective view showing another example of use of the assembled chair according to the first embodiment of the present invention.

FIG. 6 is a perspective view showing another example of use of the assembled chair according to the first embodiment of the present invention.

FIG. 7 is a perspective view showing another usage example of the assembled chair according to the first embodiment of the present invention.

FIG. 8 is a front view showing a prefabricated chair according to a second embodiment of the present invention.

FIG. 9 is a plan view showing a chair unit of a prefabricated chair according to a third embodiment of the present invention.

FIG. 10 is a plan view showing a chair unit of a prefabricated chair according to a fourth embodiment of the present invention.

FIG. 11 is a perspective view showing an example of use of the assembled chair according to the fifth embodiment of the present invention.

[Explanation of symbols]

1 chair unit 2 seat plate 3 backboard 3a, 3b curved portion 4 protruding plate 6 connecting bolts 7 coupling nut H1 to H5 through holes

Claims (5)

[Scope of utility model registration request] 1. A chair unit comprising a seat plate and a back plate, and fastening means capable of connecting the chair unit, wherein a seat plate of one of the chair units is provided on a front surface or a back surface of the other chair unit. An assembling type chair, comprising: fastening means capable of fixing the front surface or the back surface of the plates in an overlapping manner. 2. The assembly type chair according to claim 1, wherein a projecting plate extending toward the back side of the back plate is provided at an upper end portion of the back plate. 3. The seat plate has at least two through holes into which the fastening means can be inserted, and the seat plate is
3. A through hole is provided in which the position of each hole matches the position of the original hole when rotated by 0 °.
Assembled chair described. 4. The prefabricated chair according to claim 3, wherein the through holes are arranged at a vertex of a rectangle and an intersection of diagonal lines of the rectangle. 5. The chair unit has two sizes, and the height dimension of one chair unit is shorter than the height dimension of the other chair unit by the thickness of the seat plate. The assembly type chair according to claim 1, 2, 3, or 4.