CN223262626U - A height-adjustable home dining chair - Google Patents

Abstract

The utility model belongs to the technical field of infant products, and particularly relates to a height-adjustable household dining chair which comprises a base, wherein the base is detachably connected with a dining chair body through an up-down penetrating structure, the dining chair body is movably connected with a detachable component through a rotating component, a height adjusting device is arranged on the base, and the height adjusting device comprises a slideway. This high adjustable's house dining chair is through the high adjusting device who sets up, when the height of many gears handrail is adjusted to needs, the sliding plate slides in the sliding tray of slide, after the sliding plate adjusts to approximately suitable high position, through pressing the control upset board, can make the upset board release spacing with the joint of sliding plate, the upset board can rotate round the tie point with many gears handrail to drive many gears handrail and overturn from top to bottom, realize many gears and adjust, can realize many gears and adjust, strengthen the adaptability of service scene.

Description

Height-adjustable's house dining chair

Technical Field

The utility model relates to the technical field of infant products, in particular to a height-adjustable household dining chair.

Background

Early house dining chairs were relatively simple in design and generally had a basic seat structure made of wood or metal, and had a main function of providing a dining seat for people, and along with improvement of living standard and pursuit of living quality, the design of house dining chairs was gradually developed toward functional diversification.

At present, in the prior art, a conventional dining chair at home is generally a fixed structure, and occupies a certain space even when not in use, which is a relatively puzzled problem for families with limited living space, and the adaptability of the dining chair for different ages and use situations is still limited, for example, a common dining chair may not meet the dining requirements of infants, and a special dining chair for infants needs to be purchased additionally, so that we propose a dining chair at home with adjustable height.

Disclosure of utility model

The main purpose of the present utility model is to provide a height-adjustable dining chair for home use, which can solve the problems set forth in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a height-adjustable household dining chair, which comprises a base, wherein the lower surface of the base is rotationally connected with a roller, the base is connected with an intelligent component in a sliding way, the base is detachably connected with a dining chair body through an up-down penetrating structure, the dining chair body is movably connected with the detachable component through a rotating component, the base is provided with a height adjusting device, the base is internally provided with an adjusting and accommodating device, and the height adjusting device comprises:

the surface of the base is provided with a slideway, a sliding groove is formed in the slideway, and a sliding plate is connected in the sliding groove in a sliding manner;

The turnover plate, sliding plate and turnover plate joint, turnover plate and many gears handrail fixed connection, many gears handrail is provided with two sets of, two sets of rotate on the many gears handrail and be connected with the double-purpose board.

Preferably, the intelligence development subassembly includes the chute, the chute has been seted up to the inner wall of base, the chute is provided with three groups, but sliding connection has erasable drawing board, concatenation built-up board and magnetism to inhale the built-up board on three groups of chute respectively, when the infant wants the drawing, can place erasable drawing board at the innermost third group of chute, the inclination of chute is convenient for the infant to draw on above, after the drawing is accomplished, can use supporting erasing tool to erase the drawing, the infant will splice built-up board from placing a set of in the middle of the chute equally, then splice the building blocks of different shapes according to own imagination and creativity, when need play the picture arragement, place magnetism to inhale the built-up board in a set of chute of outermost, because magnetism of drawing up board self inhale the characteristic, the built-up board can adsorb on the board, the infant of being convenient for carries out the picture arragement operation.

Preferably, the up-down penetration structure comprises a first abdication groove, the surface of the base is provided with a first abdication groove and a second abdication groove, the first abdication groove is clamped with a through board, a movable block is fixedly connected to the through board, the movable block is rotationally connected to the dining chair body, a split movable switch is elastically arranged on the movable block, in a high-foot dining chair mode, the left thigh space is 180mm, the lower leg space is 180mm, the chair back is 330mm, the first gear sitting depth is 215mm, the second gear sitting depth is 250mm, the third gear sitting depth is 285mm, the ergonomic design is attached, a containing board in the adjusting containing device slides forwards in a seat type state and is used for pedaling, the clamping relation between the through board and the first abdication groove is released, the through the clamping in the first abdication groove is changed into the second abdication groove, the high-foot dining chair is switched into a chair mode, the movable switch is loosened, the through the movable switch is realized, the through being suitable for independently adjusting the height, the independent clamping board is convenient to independently detached, and the dining chair is directly placed on the dining chair body, and the dining chair is directly rotated by the dining chair of a baby, and the dining chair is placed on the dining chair.

Preferably, the mounting holes are formed in the surface of the dining chair body, five groups of five-point safety belts are arranged in the mounting holes, the infant is fixed through the connection points of the five mounting holes, the infant can be effectively prevented from sliding off or struggling off the safety belts from the dining chair body by the aid of the shoulder portions, the waist portions and the crotch portions, and the infant safety belts are comprehensively protected compared with the three-point safety belts.

Preferably, the rotating assembly comprises an armrest rotating switch, the armrest rotating switch is connected to the surface of the dining chair body in a rotating manner, the armrest rotating switch is fixedly connected with a fixing frame, a protruding block and a clamping block are fixedly connected to the fixing frame, the clamping block is clamped with a clamping groove, the clamping groove is communicated with a through groove, the through groove is sleeved on the fixing frame, the through groove is formed in the outer wall of the connecting seat, when the clamping block moves to the clamping groove, the clamping block can be clamped with the clamping groove, the fixing frame penetrates through the through groove, so that the connecting seat is connected with the dining chair body, when the armrest rotating switch is rotated, the fixing frame rotates along with the fixing frame, the clamping block on the fixing frame drives the connecting seat to turn over through the clamping groove, when the fixing frame turns over upwards and the inclined plate of the dining chair body are positioned on the same horizontal line, the non-dining mode is used as an armrest to assist infants to stand, the non-dining mode is used as an interposed plate after the fixing frame turns upwards and encloses into a triangle fixing structure, and the non-dining mode is used as a support in the use process, so that infants can not shake or shift.

Preferably, the detachable subassembly includes the connecting seat, the dinner plate holding surface has been seted up to the upper surface of connecting seat, the connecting seat passes through arc cardboard and detachable dinner plate joint, places detachable dinner plate on the dinner plate holding surface of connecting seat, then makes corresponding structure joint on arc cardboard and the connecting seat to fix the dinner plate on the connecting seat, when dismantling, only need apply certain external force to make the joint of arc cardboard and connecting seat release, just can easily take off detachable dinner plate, conveniently dismantle, keep the sanitation and hygiene of detachable dinner plate, simultaneously, the connecting seat also can dismantle as required, is convenient for clean and maintain whole device.

Preferably, the adjustment accommodation device comprises an auxiliary plate, the inner wall fixedly connected with auxiliary plate of base, sliding connection has the accommodation plate on the auxiliary plate, the spacing groove has been seted up to the inner wall of base, spacing groove and stopper joint, stopper and baffle fixed connection form semi-closed space in the base when spacing groove and stopper joint in the recreation mode, and accommodation space is 50dm ³, and the infant's storage of being convenient for takes the toy, and the stopper pulls out in figure 6 and releases the joint with the spacing groove, and the stopper is placed on the auxiliary plate, and stopper and base interval is more than 250 mm.

The utility model provides a height-adjustable household dining chair. The beneficial effects are as follows:

(1) This high adjustable's at home dining chair is through the high adjusting device who sets up, the slide is convenient for block the gliding sliding plate in the sliding tray, prevent the activity off normal, when the height of many gears handrail need be adjusted, the sliding plate slides in the sliding tray of slide, after the sliding plate is adjusted to approximately suitable high position, through pressing control turnover plate, can make the turnover plate release spacing with the joint of sliding plate, the turnover plate can rotate round the tie point with many gears handrail, thereby drive many gears handrail and overturn from top to bottom, realize many gears and adjust, can realize many gears and adjust, reinforcing service scenario's adaptability.

(2) This high adjustable house dining chair is through the intelligence subassembly that benefits of setting up, when the infant wants to draw the picture, can place the erasable drawing board at the innermost third group of chute, the inclination of chute is convenient for the infant draw on above, after the drawing is accomplished, can use supporting erasing tool to wipe the picture, the infant will splice the building blocks of different shapes from placing in the middle of the chute equally, then splice according to own imagination and creativity, when needing to play the picture arragement, place the magnetism and inhale the picture arragement board in a set of chute of the outermost, because magnetism of magnetism inhale picture arragement board self is inhaled the characteristic, the picture arragement piece can adsorb on the board, be convenient for the infant to carry out the picture arragement operation, do not occupy extra desktop or ground space, the mode of multiple intention expression arouses infant's creativity and imagination comprehensively.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic diagram of an explosion structure of the intelligent component of the present utility model;

FIG. 3 is a schematic diagram of an explosive structure of the vertical penetrating structure of the present utility model;

FIG. 4 is a schematic view of an exploded view of a rotatable assembly and a removable assembly according to the present utility model;

FIG. 5 is a schematic view of a first gear structure of the height adjusting device of the present utility model;

FIG. 6 is a schematic view of the structure of the adjusting and accommodating device of the present utility model;

FIG. 7 is a schematic view of a secondary gear structure of the height adjustment device of the present utility model;

FIG. 8 is a schematic view of a three-stage structure of the height adjustment device of the present utility model;

fig. 9 is an exploded view of the height adjusting device according to the present utility model.

Reference numerals illustrate:

1. The intelligent drawing device comprises a base, 101, a roller, 2, an intelligent component, 21, a chute, 22, an erasable drawing board, 23, a spliced wood board, 24, a magnetic drawing board, 3, an up-down inserting structure, 31, a first position yielding groove, 32, a movable block, 33, an inserting plate, 34, a split movable switch, 35, a second position yielding groove, 4, a dining chair body, 401, an installation hole, 5, a rotating component, 501, a handrail rotating switch, 51, a fixing frame, 52, a lug, 53, a clamping block, 54, a through groove, 55, a clamping groove, 6, a detachable component, 61, a connecting seat, 62, a dinner plate bearing surface, 63, a detachable dinner plate, 64, an arc clamping plate, 7, a height adjusting device, 71, a slideway, 711, a sliding groove, 712, a sliding plate, 713, a turnover plate, 72, a multi-gear handrail, 73, a double-purpose plate, 10, an adjusting and accommodating device, 102, an auxiliary plate, 103, an accommodating plate, 104, a limiting groove, 105, a limiting block, 106 and a partition plate.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-9, the utility model provides a height-adjustable household dining chair, which comprises a base 1, wherein the lower surface of the base 1 is rotationally connected with a roller 101, the gravity self-locking function of the roller 101 can ensure that a dining chair body 4 is kept stable in a dining mode of infants, the dining chair body 4 cannot easily slide, and the use safety is improved, when the dining chair body 4 is not used, the dining chair body 4 can be moved to a position such as a corner or a wall and the like, which does not occupy space, for storage, the storage position of the dining chair body 4 can be kept stable, the dining chair body cannot slide randomly due to external force, the reasonable planning and the utilization of indoor space are facilitated, the beneficial intelligent component 2 is connected to the base 1 in a sliding manner, the base 1 is detachably connected with the dining chair body 4 through an up-down structure 3, the dining chair body 4 is designed for children with the growth requirements of 0-6 years, the physical structure of children is attached, the physiological and comprehensive development of the dining chair body 4 can be converted into different products through simple switch control, and the physiological and comprehensive development of the dining chair body 4 is facilitated for infants, in the mode of learning and playing, the surface of the dining chair body 4 is provided with mounting holes 401, the mounting holes 401 are provided with five groups of five-point type safety belts fixedly connected with the mounting holes 401, the infant is fixed through the connection points of the five mounting holes 401, and the infant is respectively arranged at two sides of the shoulder part, The two sides of the waist and the crotch can effectively prevent infants from sliding off or struggling off the safety belt from the dining chair body 4, compared with three-point safety belts and the like, the upper and lower interpenetration structure 3 comprises the first abdicating groove 31, the surface of the base 1 is provided with the first abdicating groove 31 and the second abdicating groove 35, the first abdicating groove 31 is clamped with the inserting plate 33, the inserting plate 33 is fixedly connected with the movable block 32, the movable block 32 is rotationally connected on the dining chair body 4, the movable block 32 is elastically provided with the split movable switch 34, in the high-leg dining chair mode, the left thigh space is 180mm, the lower leg space is 180mm, the chair back height is 330mm, the first-grade sitting depth is 215mm, the second-grade sitting depth is 250mm, the third-grade sitting depth is 285mm, the ergonomic design is attached, wherein the accommodating plate 103 in the adjusting accommodating device 10 slides forward under the chair state for pedaling, by pressing the split movable switch 34, the clamping relation between the through plugboard 33 and the first abdicating groove 31 is relieved, the through plugboard 33 is changed from being clamped in the first abdicating groove 31 to being clamped in the second abdicating groove 35, the high-foot dining chair 750mm is switched to be in a chair type dining chair mode 550mm, the split movable switch 34 is loosened to realize the clamping of the through plugboard 33 and the second abdicating groove 35, the split movable switch 34 is suitable for being independently adjusted in height under different environments, the dining of infants is facilitated, the clamping relation of the through plugboard 33 is independently disassembled, the movable block 32 is directly rotated to drive the through plugboard 33 to rotate, the Z-shaped through plugboard 33 is arranged on the ground, the dining chair body 4 is switched to be in a small chair type dining chair mode 230mm by the high-foot dining chair, the dining chair body 4 is movably connected with the detachable dining chair 6 through the rotating assembly 5, the rotating assembly 5 comprises the armrest rotating switch 501, the surface of the dining chair body 4 is rotatably connected with the armrest rotating switch 501, the armrest rotating switch 501 is fixedly connected with the fixing frame 51, the fixing frame 51 is fixedly connected with the protruding block 52 and the clamping block 53, the clamping block 53 is clamped with the clamping groove 55, the clamping groove 55 is communicated with the through groove 54, the through groove 54 is sleeved on the fixing frame 51, the through groove 54 is formed on the outer wall of the connecting seat 61, when the clamping block 53 moves to the position of the clamping groove 55, the clamping block 53 is clamped with the clamping groove 55, the fixing frame 51 penetrates through the through groove 54, the connecting seat 61 is connected with the dining chair body 4, when the armrest rotating switch 501 is rotated, the fixing frame 51 rotates along with the fixing frame, the clamping block 53 on the fixing frame 51 drives the connecting seat 61 to turn over through the clamping groove 55, when the fixing frame 51 turns over upwards and the inclined plate of the dining chair body 4 are positioned on the same horizontal line, the non-dining mode is used as an armrest to assist infants to stand, when the fixing frame 51 turns upwards and the overturned penetrating plate 33 encloses into a triangular fixing structure, the non-dining mode is used as a support, and the non-shaking or shifting can not occur in the use process, the detachable component 6 is convenient for infants to eat and comprises a connecting seat 61, a dinner plate bearing surface 62 is arranged on the upper surface of the connecting seat 61, the connecting seat 61 is clamped with a detachable dinner plate 63 through an arc-shaped clamping plate 64, the detachable dinner plate 63 is placed on the dinner plate bearing surface 62 of the connecting seat 61, then the arc-shaped clamping plate 64 is clamped with a corresponding structure on the connecting seat 61, so that the dinner plate is fixed on the connecting seat 61, when the detachable dinner plate is needed, only a certain external force is applied to release the clamping of the arc-shaped clamping plate 64 and the connecting seat 61, the detachable dinner plate 63 can be easily taken down, the detachable dinner plate 63 is convenient to detach, the cleanness and the sanitation of the detachable dinner plate 63 are kept, meanwhile, the connecting seat 61 can be detached as required, the whole device is convenient to clean and maintain, the height adjusting device 7 is arranged on the base 1, the accommodating device 10 is adjusted in the base 1, the adjustment accommodation device 10 comprises an auxiliary plate 102, the inner wall of the base 1 is fixedly connected with the auxiliary plate 102, the accommodation plate 103 is slidably connected on the auxiliary plate 102, a limit groove 104 is formed in the inner wall of the base 1, the limit groove 104 is clamped with a limit block 105, the limit block 105 is fixedly connected with a partition plate 106, a semi-closed space is formed in the base 1 when the limit groove 104 is clamped with the limit block 105 in a game mode, the accommodation space is 50dm ³, the infant storage and taking of the toy are facilitated, the limit block 105 in fig. 6 is pulled out to release the clamping with the limit groove 104 when the infant storage and taking toy is not used, the limit block 105 is placed on the auxiliary plate 102, the limit block 105 is spaced from the base 1 by more than 250mm, and the height adjusting device 7 comprises a slide rail 71.

In the embodiment of the utility model, in order to achieve multi-gear adjustment and enhance the adaptability of a use scene, specifically, the surface of the base 1 is provided with the slide way 71, the slide way 71 is provided with the slide groove 711, the slide groove 711 is slidably connected with the slide plate 712, the slide way 71 is convenient for blocking the slide plate 712 sliding in the slide groove 711 and preventing movable deviation, when the height of the multi-gear handrail 72 needs to be adjusted, the slide plate 712 slides in the slide groove 711 of the slide way 71, the slide plate 712 is clamped with the turnover plate 713, the turnover plate 713 is fixedly connected with the multi-gear handrail 72, the multi-gear handrail 72 is provided with two groups, the two groups of multi-gear handrails 72 are rotatably connected with the double-purpose plate 73, after the slide plate 712 is adjusted to a proper height position, the clamping limit of the turnover plate 713 can be released by pressing the control turnover plate 713, the turnover plate 713 can rotate around a connecting point with the multi-gear handrail 72, thereby driving the multi-gear handrail 72 to turn up and down, and multi-gear adjustment is achieved.

Further, in order to excite creativity and imagination of infants, the storage performance of home environment is improved, the intelligent assembly 2 comprises the chute 21, the chute 21 is arranged on the inner wall of the base 1, three groups of the chute 21 are arranged, the erasable drawing board 22, the spliced wood board 23 and the magnetic jigsaw 24 are respectively connected to the three groups of the chute 21 in a sliding mode, when the infants want to draw, the erasable drawing board 22 can be placed on the innermost third group of the chute 21, the inclination angle of the chute 21 is convenient for the infants to draw on the upper surface, after drawing is completed, the infants can use matched erasing tools to erase the drawing, the infants can splice the spliced wood board 23 from the middle of the chute 21 according to own imagination and creativity, then splice blocks of different shapes are spliced according to own imagination and creativity, when the infants need to play, the magnetic jigsaw 24 is placed in the outermost group of the chute 21, the magnetic jigsaw 24 can be adsorbed on the boards due to the magnetic jigsaw 24, the operation of the infants can be conveniently carried out on the boards, the intelligent assembly 2 can be stored in the base 21 or the three groups of the two-dimensional jigsaw board, the three-dimensional space can be occupied by the infants, the infants can not feel the two-dimensional space can be easily created, and the infants can not feel the space can be more attractive and can be easily raised, and the attractive can be easily can be used to the attractive and can be used to the people can draw the attractive and have the attractive and the attractive drawing board can.

In the utility model, when in use, the slide way 71 is convenient for blocking the sliding plate 712 sliding in the sliding groove 711 to prevent the movable deviation, when the height of the multi-gear armrest 72 needs to be adjusted, the sliding plate 712 slides in the sliding groove 711 of the slide way 71, after the sliding plate 712 is adjusted to a proper height position, the overturning plate 713 is controlled by pressing, so that the overturning plate 713 can be released from the clamping limit of the sliding plate 712, the overturning plate 713 can rotate around the connecting point with the multi-gear armrest 72, thereby driving the multi-gear armrest 72 to overturn up and down to realize multi-gear adjustment, and in the 'eating' mode, referring to fig. 5, when the multi-gear armrest 72 is in the first gear, the double-purpose plate 73 is used as a high foot pedal in the high foot dining chair mode; in the "learn" mode, referring to fig. 7, the connection of the height adjustment device 7 with the dining chair body 4 in the second gear serves as a trolley armrest, while in the "play" mode, referring to fig. 8, the multi-gear armrest 72 is in the play mode when in the third gear;

When an infant wants to draw, the erasable drawing board 22 can be placed in the third group at the innermost side of the chute 21, the inclination angle of the chute 21 is convenient for the infant to draw on, after drawing is completed, the infant can use a matched erasing tool to erase the drawing, the infant can splice the building blocks with different shapes from the building blocks placed in the middle of the chute 21 according to imagination and creativity of the infant, when the infant needs to play the jigsaw, the magnetic attraction jigsaw board 24 is placed in the group of the chute 21 at the outermost side, and due to the magnetic attraction characteristic of the magnetic attraction jigsaw board 24, the jigsaw board can be adsorbed on the board, so that the infant can conveniently carry out jigsaw operation without occupying extra desktop or ground space, and various creative expression modes comprehensively excite creativity and imagination of the infant.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (7)

1. The utility model provides a high adjustable dining chair at home, includes base (1), the lower surface of base (1) rotates and is connected with gyro wheel (101), wherein sliding connection benefit intelligence subassembly (2) on base (1), base (1) are through penetrating structure (3) from top to bottom and dining chair body (4) detachable connection, dining chair body (4) are through rotating subassembly (5) and detachable subassembly (6) swing joint, be provided with height-adjusting device (7) on base (1), be provided with adjustment accommodation device (10) in base (1), height-adjusting device (7) include:

The sliding device comprises a sliding way (71), wherein the sliding way (71) is arranged on the surface of the base (1), a sliding groove (711) is formed in the sliding way (71), and a sliding plate (712) is connected in the sliding groove (711) in a sliding manner;

The overturning device comprises an overturning plate (713), wherein the sliding plate (712) is clamped with the overturning plate (713), the overturning plate (713) is fixedly connected with a multi-gear handrail (72), the multi-gear handrail (72) is provided with two groups, and the two groups of multi-gear handrails (72) are rotationally connected with a double-purpose plate (73).

2. The household dining chair with adjustable height according to claim 1, wherein the intelligent component (2) comprises a chute (21), the inner wall of the base (1) is provided with the chute (21), the chute (21) is provided with three groups, and the three groups of the chute (21) are respectively connected with an erasable drawing board (22), a spliced wood plate (23) and a magnetic drawing board (24) in a sliding manner.

3. The household dining chair with adjustable height according to claim 1, wherein the upper and lower penetrating structures (3) comprise a first abdicating groove (31), the surface of the base (1) is provided with the first abdicating groove (31) and a second abdicating groove (35), the first abdicating groove (31) is clamped with a penetrating plate (33), the penetrating plate (33) is fixedly connected with a movable block (32), the movable block (32) is rotatably connected onto the dining chair body (4), and the movable block (32) is elastically provided with a split movable switch (34).

4. The height-adjustable household dining chair according to claim 1, wherein the dining chair body (4) is provided with mounting holes (401) on the surface, and five groups of mounting holes (401) are formed.

5. The household dining chair with adjustable height according to claim 1, wherein the rotating assembly (5) comprises an armrest rotating switch (501), the surface of the dining chair body (4) is rotationally connected with the armrest rotating switch (501), the armrest rotating switch (501) is fixedly connected with a fixing frame (51), a bump (52) and a clamping block (53) are fixedly connected to the fixing frame (51), the clamping block (53) is clamped with a clamping groove (55), the clamping groove (55) is communicated with a through groove (54), the through groove (54) is sleeved on the fixing frame (51), and the through groove (54) is formed in the outer wall of the connecting seat (61).

6. The household dining chair with adjustable height according to claim 5, wherein the detachable component (6) comprises a connecting seat (61), a dinner plate bearing surface (62) is arranged on the upper surface of the connecting seat (61), and the connecting seat (61) is clamped with the detachable dinner plate (63) through an arc-shaped clamping plate (64).

7. The household dining chair with adjustable height according to claim 1, wherein the adjusting and accommodating device (10) comprises an auxiliary plate (102), the auxiliary plate (102) is fixedly connected with the inner wall of the base (1), the accommodating plate (103) is slidably connected onto the auxiliary plate (102), a limiting groove (104) is formed in the inner wall of the base (1), the limiting groove (104) is clamped with a limiting block (105), and the limiting block (105) is fixedly connected with a partition plate (106).