Wear-resistant folding chair

Abstract

The utility model belongs to the technical field of chairs, and particularly relates to a wear-resistant folding chair, which comprises a seat plate, a backrest plate and a folding plate, the chair legs are arranged at the bottom of the seat plate; the two bottom plates are fixedly connected to the bottom ends of the chair legs respectively; the rubber sleeve sleeves the outer side of the bottom plate; the fixing mechanism comprises a fixing rod, a fixing rod fixing bottom plate and a rubber sleeve; according to the wear-resistant folding chair provided by the utility model, the bottom plate and the rubber sleeve are arranged at the bottom ends of the chair legs, and the bottom plate and the rubber sleeve are fixed by the fixing mechanism, so that the wear resistance of the folding chair is effectively enhanced, and the direct wear to the chair legs is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of chairs, and in particular relates to a wear-resistant folding chair. Background Art

[0002] The invention with application number CN201110068714.2 discloses a folding chair with a backrest, which is composed of a chair body, a seat surface, a backrest, a hinge, a baffle, a magnet, and a fish back board. It can be modified from an existing chair, and the support frame on the backrest is separated from the flush position of the seat surface, so that the backrest forms an independent whole, and a hinge is set at the separation position to fix the backrest and the chair body together, and a fish back board is set on the other side of the backrest to cover the backrest; when someone needs to sit, the backrest is flipped up, and the support frame of the backrest is fixed in contact with the baffle, and after sitting, the backrest is flipped down, and the backrest covers the seat surface again, thereby achieving the purpose of shielding wind, rain, dust and anti-aging. The bottom of the chair legs of the folding chair in the invention are constantly rubbed against the ground during use, causing wear, which shortens the service life of the folding chair. Utility Model Content

[0003] The purpose of the utility model is to provide a wear-resistant folding chair in view of the above-mentioned technical problems, so as to enhance the wear-resistant performance of the folding chair.

[0004] In view of this, the utility model provides a wear-resistant folding chair, comprising: a seat plate, which is rotatably connected to a backrest plate; chair legs, which are arranged at the bottom of the seat plate; and also comprising: a bottom plate, two of which are respectively fixedly connected to the bottom ends of the chair legs; a rubber sleeve, which is sleeved on the outer side of the bottom plate; a fixing mechanism, which comprises a fixing rod, which fixes the bottom plate and the rubber sleeve; wherein the fixing mechanism is arranged at the bottom plate.

[0005] In the technical solution, by arranging a bottom plate and a rubber sleeve at the bottom end of the chair leg and fixing the two with a fixing mechanism, the wear resistance of the folding chair is effectively enhanced and the direct wear on the chair leg is reduced.

[0006] In the above technical solution, further, the fixing mechanism also includes: an installation cavity, the two installation cavities are respectively opened in the two ends of the base plate; a gear, the gear is rotatably connected in the installation cavity; a rack, the two racks are respectively arranged on both sides of the gear, the rack is meshingly connected with the gear, the two fixing rods are respectively fixedly connected with the two racks, and one end of the fixing rod extends outward through the installation cavity; a fixing groove, the fixing groove is opened on the inner side of the rubber sleeve, and one end of the fixing rod can be clamped in the fixing groove; a connecting rod, the connecting rod is fixedly connected to the gear; a knob, the knob is arranged at the top of the base plate, and the knob is fixedly connected to one end of the connecting rod.

[0007] In the above technical solution, further, a seat cushion is provided at the seat board, armrests are symmetrically provided on both sides of the upper surface of the seat board, a plurality of ventilation grooves are opened on the backboard, and a headrest is provided above the ventilation grooves.

[0008] In the above technical solution, further, a foot placement mechanism is provided at the bottom of the chair legs.

[0009] The two wheels are connected to each other with a plurality of wheels, and the two wheels are connected with each other with a plurality of wheels respectively.

[0010] The beneficial effects of the utility model are:

[0011] 1. By arranging a bottom plate and a rubber sleeve at the bottom end of the chair leg and fixing the two with a fixing mechanism, the wear resistance of the folding chair is effectively enhanced and the direct wear on the chair leg is reduced.

[0012] 2. The gear is driven by rotating the knob, thereby driving the two racks to move, so that the fixing rod can be clamped in the fixing groove of the rubber sleeve, which can effectively prevent the rubber sleeve from falling off or shifting during use and facilitate the replacement of the rubber sleeve.

[0013] 3. The seat cushion can provide a more comfortable sitting experience. The design of the armrest increases the comfort of the user. The breathable grooves and headrest design on the backrest not only increase ventilation and reduce the stuffiness during long-term use, but also provide support for the head and increase comfort.

[0014] 4. The foot placement mechanism provides space for placing the feet. Move the adjustment rod and compress the reset spring to return the card block to the installation slot. Move the extension plate and adjust it to a suitable position. Release the adjustment rod. Under the action of the reset spring, the card block engages with the card slot to fix the extension plate, so that the user can adjust the space for placing the feet according to needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a schematic structural diagram of a specific implementation method of the utility model.

[0017] Figure 2 It is a structural schematic diagram of the rubber sleeve of the utility model.

[0018] Figure 3 It is a structural schematic diagram of the fixing mechanism of the utility model.

[0019] Figure 4 It is a structural schematic diagram of the extension plate of the utility model.

[0020] Figure 5 It is a structural schematic diagram of the adjusting rod of the utility model.

[0021] The symbols in the figure are:

[0022] 1. Seat board; 11. Seat cushion; 12. Armrest; 2. Backboard; 21. Ventilation groove; 22. Headrest; 3. Chair leg; 4. Bottom plate; 5. Rubber sleeve; 6. Fixing mechanism; 61. Fixing rod; 62. Mounting cavity; 63. Gear; 64. Rack; 65. Fixing groove; 66. Connecting rod; 67. Knob; 71. Slide rail; 72. Placement plate; 73. Moving groove; 74. Extension plate; 75. Fixing plate; 76. Mounting groove; 77. Reset spring; 78. Block; 79. Slide seat; 710. Slot; 711. Movable groove; 712. Adjustment rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0025] Embodiment 1:

[0026] The embodiment of the present application provides a wear-resistant folding chair, comprising:

[0027] A seat plate 1 is rotatably connected to a back plate 2;

[0028] Chair legs 3, which are arranged at the bottom of the seat plate 1;

[0029] Bottom plates 4, two bottom plates 4 are respectively fixedly connected to the bottom ends of the chair legs 3;

[0030] A rubber sleeve 5, which is sleeved on the outer side of the bottom plate 4;

[0031] A fixing mechanism 6, the fixing mechanism 6 comprises a fixing rod 61, and the fixing rod 61 fixes the bottom plate 4 and the rubber sleeve 5;

[0032] The fixing mechanism 6 is arranged on the base plate 4 .

[0033] In this embodiment, refer to Figure 1 and Figure 3 As shown, by arranging a bottom plate 4 and a rubber sleeve 5 at the bottom end of the chair leg 3 and fixing the two with a fixing mechanism 6, the wear resistance of the folding chair is effectively enhanced and the direct wear on the chair leg 3 is reduced.

[0034] Embodiment 2:

[0035] This embodiment provides a wear-resistant folding chair, which, in addition to the technical solutions of the above embodiments, also has the following technical features, and the fixing mechanism 6 also includes:

[0036] Installation cavities 62, two installation cavities 62 are respectively opened in both ends of the bottom plate 4;

[0037] Gear 63, gear 63 is rotatably connected in the mounting cavity 62;

[0038] Racks 64, two racks 64 are respectively arranged on both sides of the gear 63, the racks 64 are meshed and connected with the gear 63, two fixing rods 61 are respectively fixedly connected with the two racks 64, and one end of the fixing rod 61 passes through the installation cavity 62 and extends outward;

[0039] A fixing groove 65, which is provided on the inner side of the rubber sleeve 5, and one end of the fixing rod 61 can be snap-fitted into the fixing groove 65;

[0040] A connecting rod 66, the connecting rod 66 is fixedly connected to the gear 63;

[0041] The knob 67 is arranged at the top of the bottom plate 4 , and the knob 67 is fixedly connected to one end of the connecting rod 66 .

[0042] In this embodiment, refer to Figure 2 and Figure 3 As shown, the gear 63 is driven by rotating the knob 67, thereby driving the two racks 64 to move, so that the fixing rod 61 can be clamped in the fixing groove 65 of the rubber sleeve 5, which can effectively prevent the rubber sleeve 5 from falling off or shifting during use and facilitate the replacement of the rubber sleeve 5.

[0043] Embodiment 3:

[0044] The present embodiment provides a wear-resistant folding chair, which, in addition to the technical solutions of the above-mentioned embodiments, also has the following technical features: a seat cushion 11 is provided on the seat board 1, armrests 12 are symmetrically provided on both sides of the upper surface of the seat board 1, a plurality of ventilation grooves 21 are opened on the back board 2, and a headrest 22 is provided above the ventilation grooves 21.

[0045] In this embodiment, refer to Figure 1 As shown, the seat cushion 11 can provide a more comfortable sitting feeling, the design of the armrest 12 increases the comfort of the user, and the design of the breathable groove 21 and the headrest 22 on the backrest 2 not only increases ventilation and reduces the stuffiness during long-term use, but also provides support for the head and increases comfort.

[0046] Embodiment 4:

[0047] This embodiment provides a wear-resistant folding chair, which, in addition to the technical solutions of the above embodiments, also has the following technical features: a foot placement mechanism is provided at the bottom of the chair leg 3, and the foot placement mechanism includes:

[0048] Slide rails 71, two slide rails 71 are symmetrically arranged on the inner side of the bottom of the chair leg 3, and a placement plate 72 is slidably connected in the slide rails 71;

[0049] A movable groove 73, wherein the movable groove 73 is provided in the placement plate 72, and an extension plate 74 is slidably connected in the movable groove 73;

[0050] A fixing plate 75, the fixing plate 75 is fixedly connected to the outer end of the extension plate 74;

[0051] Mounting grooves 76, two mounting grooves 76 are respectively provided on the inner side walls of the moving groove 73;

[0052] A return spring 77, the return spring 77 is connected in the mounting groove 76, and the other end of the return spring 77 is fixedly connected with a clamping block 78;

[0053] Slide seats 79, two slide seats 79 are respectively fixedly connected to the two sides of the inner wall of the mounting groove 76, and the clamping block 78 is slidably connected in the slide seats 79;

[0054] A plurality of card slots 710 are respectively provided on the side walls of the extension plate 74, and the card block 78 can be engaged with the card slots 710;

[0055] A movable groove 711, which is provided at the bottom end of the placement plate 72, and is communicated with the installation groove 76;

[0056] The adjusting rod 712 is fixedly connected to the clamping block 78 , and the adjusting rod 712 is slidably connected in the movable groove 711 .

[0057] In this embodiment, refer to Figure 1 , Figure 4 and Figure 5 As shown, the foot placement mechanism provides space for placing the feet. Move the adjustment rod 712, compress the reset spring 77, and return the block 78 to the installation groove 76. Move the extension plate 74 and adjust it to a suitable position. Release the adjustment rod 712. Under the action of the reset spring 77, the block 78 engages with the slot 710 to fix the extension plate 74, so that the user can adjust the space for placing the feet according to needs.

[0058] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A wear-resistant folding chair, comprising: A seat plate (1), wherein the seat plate (1) is rotatably connected to a back plate (2); Chair legs (3), the chair legs (3) being arranged at the bottom of the seat plate (1); It is characterized by further comprising: A bottom plate (4), wherein two bottom plates (4) are respectively fixedly connected to the bottom ends of the chair legs (3); A rubber sleeve (5), wherein the rubber sleeve (5) is sleeved on the outside of the bottom plate (4); A fixing mechanism (6), the fixing mechanism (6) comprising a fixing rod (61), the fixing rod (61) fixing the bottom plate (4) and the rubber sleeve (5); Wherein, the fixing mechanism (6) is arranged on the bottom plate (4); The fixing mechanism (6) further comprises: Installation cavities (62), wherein two installation cavities (62) are respectively provided in two ends of the bottom plate (4); a gear (63), the gear (63) being rotatably connected in the mounting cavity (62); Racks (64), the two racks (64) are respectively arranged on both sides of the gear (63), the racks (64) are meshedly connected with the gear (63), the two fixing rods (61) are respectively fixedly connected with the two racks (64), and one end of the fixing rod (61) passes through the installation cavity (62) and extends outward; A fixing groove (65), wherein the fixing groove (65) is provided on the inner side of the rubber sleeve (5), and one end of the fixing rod (61) can be snap-fitted into the fixing groove (65); A connecting rod (66), wherein the connecting rod (66) is fixedly connected to the gear (63); A knob (67), wherein the knob (67) is arranged at the top end of the bottom plate (4), and the knob (67) is fixedly connected to one end of the connecting rod (66).

2. A wear-resistant folding chair according to claim 1, characterized in that: The seat board (1) is provided with a seat cushion (11), and armrests (12) are symmetrically arranged on both sides of the upper surface of the seat board (1). The backrest (2) is provided with a plurality of ventilation grooves (21), and a headrest (22) is arranged above the ventilation grooves (21).

3. The wear-resistant folding chair according to claim 1, characterized in that: A foot placement mechanism is provided at the bottom of the chair leg (3).

4. A wear-resistant folding chair according to claim 3, characterized in that: The foot placement mechanism comprises: Slide rails (71), two of the slide rails (71) are symmetrically arranged on the inner side of the bottom of the chair leg (3), and a placement plate (72) is slidably connected inside the slide rails (71); A movable groove (73), wherein the movable groove (73) is provided in the placement plate (72), and an extension plate (74) is slidably connected in the movable groove (73); A fixing plate (75), wherein the fixing plate (75) is fixedly connected to the outer end of the extension plate (74); Installation grooves (76), wherein two installation grooves (76) are respectively arranged on the inner side walls of the movable groove (73); A return spring (77), wherein the return spring (77) is connected in the mounting groove (76), and the other end of the return spring (77) is fixedly connected with a clamping block (78); A slide seat (79), wherein the two slide seats (79) are respectively fixedly connected to two sides of the inner wall of the mounting groove (76), and the clamping block (78) is slidably connected in the slide seat (79); A plurality of the card slots (710) are respectively arranged on the side walls of both sides of the extension plate (74), and the card block (78) can be engaged with the card slots (710); A movable groove (711), the movable groove (711) is provided at the bottom end of the placement plate (72), and the movable groove (711) is communicated with the installation groove (76); An adjusting rod (712), wherein the adjusting rod (712) is fixedly connected to the clamping block (78), and the adjusting rod (712) is slidably connected in the movable groove (711).

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