Chair easy to assemble

Abstract

The utility model discloses a chair easy to assemble, which comprises a chair frame, the chair frame comprises a supporting foot stool and a chair surface frame arranged on the supporting foot stool, a seat cushion is detachably arranged on the chair surface frame, the chair surface frame comprises a transverse rod and a longitudinal rod which are connected with each other, the seat cushion comprises a seat cushion body and a limiting cover arranged at the bottom of the seat cushion body, an end cover is formed at the front end of the limiting cover, the limiting cover is arranged on the upper side of the longitudinal rod in a sleeving mode so as to limit the limiting cover in the left-right-lower direction, the end cover is arranged at the front end of the longitudinal rod in a sleeving mode so as to limit the limiting cover in the up-down-left-right-back direction, and finally a small number of screws (at least one screw) are matched for locking. The seat cushion can be fixed and limited in all directions in the upper direction, the lower direction, the left direction, the right direction, the front direction and the rear direction of the seat frame only by using fewer screws, so that the seat cushion is more convenient and faster to mount and dismount, and the stability and the safety in use are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to chair technical field, concretely relates to a chair easy to assemble. BACKGROUND

[0002] The existing detachable chair, the cushion is locked and limited in multiple directions through a large number of screws (at least five or six screws) to be fixed and installed on the chair surface frame, and the installation and disassembly operation of the cushion is relatively cumbersome and inconvenient, and when part of the screw is loose or falls off, the cushion is easy to shake, which affects the stability and safety of use. SUMMARY

[0003] The utility model aims at providing a chair easy to assemble to solve the above technical problem.

[0004] To achieve the above object, the technical scheme of the utility model is as follows: a chair easy to assemble, including chair frame, the chair frame includes support foot frame and chair surface frame installed on the support foot frame, the detachable chair surface frame is installed with cushion, the chair surface frame includes the transverse rod and longitudinal rod connected with each other, the cushion includes cushion body and the limiting cover arranged at the bottom of the cushion body, the front end of the limiting cover is formed with end cover, the limiting cover is sleeved on the upper side of the longitudinal rod to limit the left, right and lower directions of the limiting cover, and the end cover is sleeved on the front end of the longitudinal rod to limit the upper, lower, left, right and rear directions of the limiting cover.

[0005] Preferably, the side wall of the limiting cover is provided with elastic sheet that can be elastically moved up and down, and the elastic sheet abuts against the rear end of the transverse rod to limit the front direction of the limiting cover.

[0006] Preferably, the transverse rod and the longitudinal rod are perpendicular to each other, the longitudinal rod is arranged in parallel left and right, the transverse rod is arranged in parallel front and rear, and the two transverse rods are connected between the two longitudinal rods respectively.

[0007] Preferably, the limiting cover is arranged in parallel left and right, the limiting cover is sleeved on the upper side of the longitudinal rod one by one, the elastic sheet is located at the bottom of the side wall of the side of the two limiting covers close to each other, the rear end of the elastic sheet is a fixed end connected with the side wall of the limiting cover, the front end of the elastic sheet is a free end that can be elastically swung up and down, and the front end of the elastic sheet abuts against and limits the rear end of the transverse rod in front.

[0008] Preferably, the elastic sheet and the side wall of the limiting cover form a giving hole, and the giving hole includes L-shaped through hole and circular through hole communicated with the rear end of the L-shaped through hole.

[0009] Preferably, the side wall of the limiting cover forms a limiting claw, the limiting claw is provided with a bayonet with an opening facing rear, and the limiting claw is clamped and fixed at the rear transverse rod through the bayonet to limit the upper, lower and rear directions of the limiting cover.

[0010] Preferably, the bayonet is a U-shaped bayonet, the rear transverse rod is a circular rod, and the U-shaped bayonet is clamped and limited in cooperation with the circular rod.

[0011] Preferably, the two longitudinal rods and the front transverse rod are square rods.

[0012] Preferably, the seat cushion further comprises a screw lock, the inside of the limiting cover is arranged in the front-rear direction and provided with a plurality of supporting ribs, the bottom of the supporting rib abuts and supports the top of the longitudinal rod, the bottom of the supporting rib is provided with a screw hole, the longitudinal rod is provided with a through hole penetrating in the up-down direction, and the screw lock is locked in cooperation with the screw hole through the through hole.

[0013] Preferably, the chair frame further comprises a backrest frame installed above the rear end of the seat frame, a headrest is installed on the backrest frame, the headrest comprises a pillow base and a pillow pad, a surrounding wall is formed on one side of the pillow base, a plurality of clamping grooves are arranged on the outer side of the surrounding wall, a plurality of clamping buckles and clamping plates are arranged on the inner wall of the pillow pad in the circumferential direction, the clamping buckle is clamped and limited in cooperation with the clamping groove, and the surrounding wall is clamped and limited between the inner wall of the pillow pad and the clamping plate.

[0014] The utility model has the following beneficial effects:

[0015] The limiting cover is sleeved on the upper side of the longitudinal rod to limit the left, right and lower directions of the limiting cover, the end cover is sleeved on the front end of the longitudinal rod to limit the upper, lower, left, right and rear directions of the limiting cover, and finally a small amount of screws (at least one screw) are used for locking, so that the seat cushion is fixed and limited in all directions in the upper, lower, left, right, front and rear directions of the seat frame, stable assembly is realized, the assembly process does not need to use many screws, the installation and disassembly operations of the seat cushion are more convenient and fast, the installation effect is more stable, and the stability and safety during use are guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the front side view of the embodiment of the utility model.

[0017] Figure 2 is the rear view of the embodiment of the utility model.

[0018] Figure 3 is Figure 2 the sectional view of A-A.

[0019] Figure 4 is the schematic view of the seat cushion of the embodiment of the utility model in one view.

[0020] Figure 5 is the schematic view of the seat cushion of the embodiment of the utility model in another view.

[0021] Figure 6is a structural schematic view of a chair frame of an embodiment of the utility model.

[0022] Figure 7 is a structural schematic view of a pillow base of an embodiment of the utility model.

[0023] Figure 8 is a structural schematic view of a pillow of an embodiment of the utility model.

[0024] Fig. 1 is a support foot stand, 2 is a chair surface frame, 21 is a transverse rod, 22 is a longitudinal rod, 3 is a chair back frame, 4 is a seat cushion body, 5 is a limiting cover, 6 is an end cover, 7 is a spring piece, 71 is a fixed end, 72 is a free end, 8 is a giving way hole channel, 9 is a limiting clamping jaw, 91 is a clamping hole, 10 is a supporting convex rib, 11 is a screw hole, 12 is a through hole, 13 is a pillow base, 14 is a pillow, 15 is a surrounding wall, 16 is a clamping groove, 17 is a clamping buckle, 18 is a clamping plate. DETAILED DESCRIPTION

[0025] To further illustrate the embodiments, the utility model provides with the drawing. These drawings are part of the utility model disclosure, which is mainly used to illustrate the embodiments, and can be explained with the related description of the specification. With reference to these contents, those skilled in the art should understand other possible embodiments and the advantages of the utility model. The components in the drawing are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0026] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two; The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawing, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; It can be mechanical connection, or electrical connection; It can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] Reference Figures 1-8As shown, as an embodiment of the utility model provides an easy-to-assemble chair, including chair frame, chair frame includes support foot stand 1 and installs on support foot stand 1 chair surface frame 2, detachably install cushion on chair surface frame 2, chair surface frame 2 includes the transverse rod 21 and longitudinal rod 22 connected with each other, cushion includes cushion body 4 and the limit cover 5 of setting at the bottom of cushion body 4, the front end of limit cover 5 forms end cap 6, limit cover 5 is set in the upper side of longitudinal rod 22 to limit the left, right, lower direction of limit cover 5, end cap 6 is set in the front end of longitudinal rod 22 to limit the upper, lower, left, right, rear direction of limit cover 5, finally cooperate with a small amount of screw (minimum is one screw) and lock, even make the cushion in chair surface frame 2, upper, lower, left, right, front, rear six directions realize all-around fixed limit, namely can complete stable assembly, and the assembly process does not need to use more screw, makes the installation and disassembly operation of cushion more convenient and fast, and the installation effect is more stable, guarantees the stability and security of use.

[0029] In the embodiment, the side wall of the limiting cover 5 is provided with an elastic piece 7 which can be elastically moved up and down, the elastic piece 7 abuts against the rear end of the transverse rod 21 to limit the front direction of the limiting cover 5, that is, through the mutual cooperation of the limiting cover 5, the end cap 6, the elastic piece 7 and the chair surface frame 2, the cushion is fixed and limited in all directions, that is, the upper, lower, left, right, front and rear six directions of the chair surface frame 2, and the use amount of screws can be further reduced in the assembly process, and the stability and safety of installation and use are further improved.

[0030] In the embodiment, the transverse rod 21 and the longitudinal rod 22 are perpendicular to each other, the longitudinal rod 22 is parallel to the left and right, the transverse rod 21 is parallel to the front and back, and the two transverse rods 21 are connected between the two longitudinal rods 22, that is, the length direction of the longitudinal rod 22 is parallel to the front and back direction, and the length direction of the transverse rod 21 is parallel to the left and right direction, so as to ensure the structure and support stability of the chair surface frame 2.

[0031] In the embodiment, the limiting cover 5 is parallel to the left and right, the limiting cover 5 is correspondingly sleeved on the upper side of the longitudinal rod 22, the elastic piece 7 is located at the bottom of the side wall of the side of the two limiting covers 5 close to each other, the rear end of the elastic piece 7 is a fixed end 71 connected with the side wall of the limiting cover 5, the front end of the elastic piece 7 is a free end 72 which can be elastically swung up and down, the front end of the elastic piece 7 abuts against and limits the rear end of the transverse rod 21 in front, when the cushion needs to be disassembled, the free end 72 of the elastic piece 7 is lifted up to make it disengage from the rear end of the transverse rod 21 in front to release the abutting and limiting, the limiting cover 5 moves forward to exit, then the end cap 6 exits the front end of the longitudinal rod 22, and then the cushion is lifted up to make the limiting cover 5 disengage from the longitudinal rod 22, so as to realize the complete disassembly and removal of the cushion, and the operation is more convenient and fast.

[0032] In the embodiment, the elastic sheet 7 and the side wall of the limiting cover 5 form a clearance channel 8, which includes an L-shaped through hole 12 and a circular through hole 12 connected to the rear end of the L-shaped through hole 12. The arrangement can improve the elasticity and range of movement of the elastic sheet 7 and ensure the stability of the assembly limiting.

[0033] In the embodiment, the inner side wall of the limiting cover 5 forms a limiting claw 9, which is provided with a rear opening 91. The limiting claw 9 is clamped and limited at the rear transverse rod 21 through the opening 91 to limit the upper, lower and rear directions of the limiting cover 5, further improving the installation stability of the cushion on the chair surface frame 2. Specifically, the opening 91 is a U-shaped opening, and the rear transverse rod 21 is a circular rod. The U-shaped opening and the circular rod are clamped and limited to cooperate, so that the limiting claw 9 can rotate up and down relative to the transverse rod 21 when the cushion is installed or disassembled, avoiding the phenomenon of jamming and ensuring that the installation or disassembly process is more smooth and fast.

[0034] In the embodiment, the two longitudinal rods 22 and the front transverse rod 21 are square rods, thereby ensuring the limiting precision and stability of the cushion in the front, rear, left, right, upper and lower directions of the chair surface frame 2.

[0035] In the embodiment, the inside of the limiting cover 5 is provided with a plurality of support ribs 10 arranged in the front-rear direction. The bottom of the support rib 10 abuts and supports the top of the longitudinal rod 22, so that the stress of the cushion is more balanced, the support stability of the cushion is ensured, and the riding safety is improved.

[0036] In the embodiment, a screw is further included. The bottom of the support rib 10 is provided with a screw hole 11, and the longitudinal rod 22 is provided with a through hole 12 penetrating up and down. The screw passes through the through hole 12 and the screw hole 11 to lock and cooperate, thereby further improving the installation stability of the cushion on the chair surface frame 2. One or two screws can be selected, and of course, no screw can also be set.

[0037] In the embodiment, the chair frame further includes a chair back frame 3 installed above the rear end of the chair surface frame 2. The chair back frame 3 is provided with a headrest. The headrest includes a pillow seat 13 and a pillow pad 14. The pillow seat 13 is provided with a surrounding wall 15 on one side. The outer side of the surrounding wall 15 is provided with a plurality of clamping grooves 16. The inner wall of the pillow pad 14 is provided with a plurality of clamping buckles 17 and clamping plates 18 in the circumferential direction. The clamping buckle 17 and the clamping groove 16 correspond to and clamp and limit each other. The surrounding wall 15 is clamped and limited between the inner wall of the pillow pad 14 and the clamping plate 18, thereby stably installing the pillow pad 14 on the pillow seat 13 and preventing loosening in any direction, which is safer, more stable and reliable, and does not require screw locking, and the installation and disassembly process is more convenient and fast.

[0038] Although the utility model is specifically shown and introduced in combination with the preferred embodiments, those skilled in the art should understand that various changes can be made to the utility model in form and details without departing from the spirit and scope of the utility model defined in the appended claims, and all fall within the protection scope of the utility model.

Claims

1. An easily assembled chair, characterized in that: The chair frame comprises support legs and a seat frame mounted on the support legs, the seat frame comprises transverse rods and longitudinal rods connected with each other, and the seat cushion comprises a seat cushion body and a limiting cover arranged at the bottom of the seat cushion body.

2. The easy-to-assemble chair according to claim 1, characterized in that: The side wall of the limiting cover is provided with elastic pieces that can elastically move up and down, and the elastic pieces abut against the rear ends of the transverse rods to limit the front direction of the limiting cover.

3. The easy-to-assemble chair of claim 2, wherein: The transverse rods and the longitudinal rods are perpendicular to each other, the longitudinal rods are arranged in parallel left and right, the transverse rods are arranged in parallel front and rear, and the two transverse rods are connected between the two longitudinal rods, respectively.

4. The easy-to-assemble chair of claim 3, wherein: The limiting cover is arranged in parallel left and right, the limiting cover is arranged in one-to-one correspondence on the upper side of the longitudinal rod, the elastic piece is arranged at the bottom of the side wall on the side where the two limiting covers are close to each other, the rear end of the elastic piece is a fixed end connected with the side wall of the limiting cover, the front end of the elastic piece is a free end that can elastically swing up and down, and the front end of the elastic piece abuts against and limits the rear end of the transverse rod in front.

5. The easy-to-assemble chair of claim 2, wherein: The elastic piece and the side wall of the limiting cover form a gap channel, and the gap channel comprises an L-shaped through hole and a circular through hole connected with the rear end of the L-shaped through hole.

6. The easy-to-assemble chair of claim 3, wherein: The side wall of the limiting cover forms a limiting claw, the limiting claw is provided with a bayonet with an opening facing backward, and the limiting claw is clamped and limited at the transverse rod in the rear through the bayonet to limit the upward, downward and rearward directions of the limiting cover.

7. The easy-to-assemble chair of claim 6, wherein: The bayonet is a U-shaped bayonet, the transverse rod in the rear is a circular rod, and the U-shaped bayonet and the circular rod are clamped and limited in position.

8. The easy-to-assemble chair of claim 3, wherein: The two longitudinal rods and the transverse rod in front are square rods.

9. The easy-to-assemble chair of claim 1, wherein: The chair frame further comprises a screw locking piece, a plurality of support ribs are arranged in the limiting cover in the front-rear direction, the bottoms of the support ribs abut against and support the top of the longitudinal rod, the bottoms of the support ribs are provided with screw holes, the longitudinal rod is provided with a through hole penetrating upward and downward, and the screw locking piece is locked in position through the through hole and the screw hole.

10. The easy-to-assemble chair according to any one of claims 1-9, characterized in that: The chair frame further comprises a backrest frame mounted above the rear end of the seat frame, and a headrest is mounted on the backrest frame, the headrest comprises a pillow and a pillow cushion, a surrounding wall is formed on one side of the pillow, a plurality of clamping grooves are arranged on the outer side of the surrounding wall, a plurality of clamping buckles and clamping plates are arranged on the inner wall of the pillow cushion in the circumferential direction, the clamping buckles and the clamping grooves are clamped and limited in position in correspondence, and the surrounding wall is clamped and limited between the inner wall of the pillow cushion and the clamping plates.

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