CN217309542U

CN217309542U - Cabinet capable of freely adjusting height

Info

Publication number: CN217309542U
Application number: CN202220785311.3U
Authority: CN
Inventors: 黄秀英; 宋大海
Original assignee: Chongqing Weiyan Industrial Co ltd
Current assignee: Chongqing Weiyan Industrial Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-08-30
Anticipated expiration: 2032-04-07

Abstract

The utility model provides a cabinet with freely adjustable height, wherein an upper clapboard (11), a lower clapboard (12) and two vertical clapboards (13) are arranged in a cabinet body (10), the upper side of the upper clapboard (11) and the inner wall of the cabinet body (10) form a driving cavity (110), the lower side of the lower clapboard (12) and the inner wall of the cabinet body (10) form a gear cavity (120), and one side of the two vertical clapboards (13) which is far away from each other respectively forms a sliding cavity (130) with the inner wall of the cabinet body (10); the first placing plate (18) and the second placing plate (19) are arranged between the upper partition plate (11) and the lower partition plate (12) from top to bottom respectively, a threaded rod for driving the first placing plate (18) and the second placing plate (19) to move is arranged in the sliding cavity (130), and transmission and driving components are arranged in the driving cavity (110) and the gear cavity (120) respectively. This cupboard can carry out the interlayer to not kitchen utensils and appliances of equidimension and adjust, convenient access.

Description

Cabinet capable of freely adjusting height

Technical Field

The utility model relates to a furniture equipment technical field, concretely relates to cupboard that can freely height-adjusting.

Background

The cabinet is an important device for storing food, bowls, dishes, plates and other articles in a kitchen, and is widely applied and frequently used in daily life. However, the existing cabinet frame is generally of an integral structure, the interval between layers cannot be adjusted according to the size of the stored kitchenware, the kitchenware with larger volume is easy to be placed in the cabinet frame, the problems of inconvenient operation and incapability of being placed in the cabinet frame are easy to occur, and the problem of waste of use space is easy to occur when the kitchenware with smaller volume is placed in the cabinet frame; meanwhile, the existing cupboard is usually arranged at a high place, and when the kitchen ware on the upper layer of the cupboard is stored and taken, the kitchen ware is extremely inconvenient and even can cause damage to personal safety.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the present invention provides a cabinet with freely adjustable height, which can adjust the height of each layer of the cabinet according to the size of the kitchen ware, thereby facilitating the storage and the taking of the articles with different sizes in the cabinet; meanwhile, the height of the interlayer is adjusted, so that the high-rise kitchen ware can be conveniently taken when in use, and inconvenience and danger in taking the high-rise kitchen ware are avoided.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a can free height-adjusting's cupboard, includes cupboard body, its characterized in that: the cabinet comprises a cabinet body and is characterized in that an upper partition plate, a lower partition plate and two vertical partition plates which are parallel to each other and are positioned between the upper partition plate and the lower partition plate are respectively arranged in the cabinet body, the upper partition plate is parallel to the lower partition plate, the upper side of the upper partition plate and the inner wall of the cabinet body form a driving cavity, the lower side of the lower partition plate and the inner wall of the cabinet body form a gear cavity, and one sides of the two vertical partition plates, which are far away from each other, respectively form a sliding cavity with the inner wall of the cabinet body; a first driving screw and a second driving screw are arranged in parallel in the sliding cavity on one side, a first driven screw and a second driven screw are correspondingly arranged in the sliding cavity on the other side, the upper ends of four screws (namely the first driving screw, the second driving screw, the first driven screw and the second driven screw) penetrate through the upper partition plate, the lower ends of the four screws penetrate through the lower partition plate, and the outer walls of the four screws are rotatably connected with the upper partition plate (or the lower partition plate); a first placing plate and a second placing plate are respectively arranged between the upper partition plate and the lower partition plate from top to bottom, and the first placing plate, the second placing plate and the lower partition plate are parallel; two ends of the first placing plate are respectively fixedly provided with first sliding blocks, one ends of the two first sliding blocks, which are far away from the first placing plate, respectively penetrate through the vertical partition plate and respectively correspond to the first driving screw rods, the first driven screw rods are provided with sliding holes, the diameters of the sliding holes are larger than the diameter of the first driving screw rods (or the first driven screw rods), and one ends of the two first sliding blocks, which are far away from the first placing plate, are respectively in threaded connection with the second driving screw rods and the second driven screw rods; two ends of the second placing plate are respectively fixedly provided with a second sliding block, one ends of the two second sliding blocks, which are far away from the second placing plate, penetrate through the vertical partition plate and are respectively in threaded connection with the first driving screw rod and the first driven screw rod, and the vertical partition plate is provided with a sliding groove corresponding to the second sliding block (or the first sliding block); the outer wall of the first driving screw rod in the driving cavity is fixedly sleeved with a first driving wheel, the outer wall of the first driven screw rod in the driving cavity is fixedly sleeved with a first driven wheel, and the first driving wheel is connected with the first driven wheel through a first transmission belt; the outer wall of the second driving screw rod in the driving cavity is fixedly sleeved with a second driving wheel, the outer wall of the second driven screw rod in the driving cavity is fixedly sleeved with a second driven wheel, and the second driving wheel is connected with the second driven wheel through a second driving belt; and a driving assembly is arranged in the gear cavity and used for driving the first driving screw rod and the second driving screw rod to rotate.

The driving assembly comprises a driving motor, a motor support, a first telescopic assembly, a driving gear, a first driven gear, a positioning rod, an intermediate gear and a second driven gear; the driving motor is fixedly arranged on the motor support, the motor support is arranged on the outer wall of the bottom of the cabinet body through the first telescopic assembly, the output shaft of the driving motor penetrates through the bottom surface of the cabinet body and is positioned in the gear cavity, and the outer wall of the upper end of the output shaft of the driving motor is fixedly sleeved with a driving gear; the top end of the first driving screw is rotationally connected with the top surface of the cupboard body, the bottom end of the first driving screw is rotationally connected with the top of the positioning rod, the bottom of the positioning rod is fixedly connected with the inner wall of the bottom of the cupboard body, the outer wall of the positioning rod is sleeved with a middle gear through a rotating bearing (namely, the middle gear is rotationally connected with the positioning rod), the outer wall of the first driving screw, which is positioned in the gear cavity, is fixedly sleeved with a first driven gear, and the first driven gear and the middle gear can be meshed with a driving gear; the top end of the second driving screw is rotationally connected with the top surface of the cupboard body, the bottom end of the second driving screw is rotationally connected with the inner wall of the bottom of the cupboard body, the outer wall of the second driving screw and the corresponding intermediate gear are fixedly sleeved with a second driven gear, and the second driven gear is meshed with the intermediate gear; the top ends of the first driven screw rod and the second driven screw rod are rotatably connected with the top surface of the cabinet body, and the bottom ends of the first driven screw rod and the second driven screw rod are rotatably connected with the bottom surface of the cabinet body.

The protection cover is arranged on the outer wall of the driving motor and the outer wall of the motor support, and the top surface of the protection cover is fixedly connected with the outer wall of the bottom of the cabinet body in a sealing manner, so that the accelerated aging of the driving motor caused by the fact that water on the outer wall is splashed onto the driving motor is avoided; first flexible subassembly is evenly set up around driving motor axis and first flexible subassembly is no less than two sets ofly.

The further optimization is carried out, in order to avoid radial runout in the rotation process of the output shaft of the driving motor, the bottom surface of the lower partition plate is fixedly provided with a guide rod corresponding to the driving motor, and the upper end of the output shaft of the driving motor is sleeved on the outer wall of the guide rod and is connected with the output shaft of the driving motor in a sliding manner.

For further optimization, the outer wall of the top of the cabinet body is respectively provided with a self-locking device corresponding to the first driving screw and the second driving screw, and the self-locking devices are used for preventing the screws from rotating; the self-locking device comprises a pressing plate, a second telescopic assembly and a spline shaft, one end of the second telescopic assembly is fixedly connected with the top surface of the cabinet body, the other end of the second telescopic assembly is connected with the outer ring of the bottom surface of the pressing plate, the second telescopic assemblies are uniformly distributed around the central axis of the pressing plate, and the spline shaft is fixedly arranged in the middle of the bottom surface of the pressing plate; spline holes are formed in spline shafts corresponding to the first driving screw and the second driving screw.

Further optimization, the first sliding block width is smaller than the first placing plate width, and the second sliding block width is smaller than the second placing plate width.

Further optimization, the first placing plate and the second placing plate are evenly provided with water leakage holes on two sides.

Make further optimization, baffle top surface just is located and places the board by supreme sponge layer and the bottom of setting gradually down between two vertical baffles down, sponge layer both ends respectively with vertical baffle sliding connection, ensure that the sponge layer can dismantle, the board both ends are placed to the bottom respectively with vertical baffle fixed connection and bottom place evenly set up a plurality of apopores on the board.

Further optimization is carried out, cabinet body front side sets up the slip cabinet door, cabinet body inner wall and the one end middle part of keeping away from the slip cabinet door are seted up a spacing spout, first board and the second of placing is placed the one end that the board kept away from the slip cabinet door and is corresponded spacing spout and set up spacing slider respectively, spacing slider card is gone into in the spacing spout and sliding connection to avoid first board and the second of placing to appear squinting, cause the mechanism jamming in the board slip process.

The utility model discloses has following technological effect:

according to the double-rod driving type automatic placing device, the first driving wheel, the first driven wheel and the first transmission belt are matched, so that the first driven screw rotates along with the first driving screw when the first driving screw rotates, the first driving screw and the first driven screw drive the second placing plate to move up and down, the moving stability of the second placing plate is ensured by double-rod driving, and the problems that the second placing plate is inclined and the mechanism is blocked are avoided; similarly, the second driving screw and the second driven screw rotate to further move the first placing plate through the matching of the second driving wheel, the second driven wheel and the second driving belt; the first board, the second of placing is placed the board and is removed and can effectively be adjusted and place the interval to make things convenient for the access of equidimension kitchen utensils and appliances not. Simultaneously, through placing the regulation of board height to first board, the second of placing, can be effective, convenient realization to the access of upper kitchen utensils and appliances, avoid the safety problem that upper kitchen utensils and appliances appear of taking. Through the cooperation on hole, apopore and the sponge layer of leaking, can effectively realize the inside waterlogging caused by excessive rainfall of cupboard body and collect water, participate in moisture, cause bacterial growing in avoiding the cupboard or in the kitchen utensils and appliances.

Drawings

Fig. 1 is a schematic view of the overall structure of a cabinet according to an embodiment of the present invention.

Fig. 2 is an enlarged view of a portion of fig. 1.

Fig. 3 is a partially enlarged view of fig. 1 in the direction B.

Fig. 4 is a partial enlarged view of fig. 1 taken along line C-C.

10, a cabinet body; 101. pressing a plate; 102. a second telescoping assembly; 103. a spline shaft; 104. a sliding cabinet door; 105. a limiting chute; 111. a first drive wheel; 112. a first driven wheel; 113. a first drive belt; 114. a second drive wheel; 115. a second driven wheel; 116. a second belt; 11. an upper partition plate; 110. a drive chamber; 12. a lower partition plate; 120. a gear cavity; 13. a vertical partition; 130. a sliding cavity; 131. a chute; 14. a first drive screw; 140. a splined bore; 15. a second drive screw; 16. a first driven screw; 17. a second driven screw; 18. a first placing plate; 180. a limiting slide block; 181. a first slider; 1810. a slide hole; 182. a water leakage hole; 19. a second placing plate; 190. a second slider; 20. a bottom placement plate; 21. a water outlet hole; 30. a sponge layer; 40. a protective cover; 41. a drive motor; 410. a guide bar; 42. a motor support; 43. a first telescoping assembly; 44. a drive gear; 45. a first driven gear; 46. positioning a rod; 460. a rotating bearing; 47. an intermediate gear; 48. a second driven gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b):

as shown in FIGS. 1 to 4, a cabinet with freely adjustable height comprises a cabinet body 10, and is characterized in that: an upper partition plate 11, a lower partition plate 12 and two vertical partition plates 13 (shown in fig. 1) which are parallel to each other and are positioned between the upper partition plate 11 and the lower partition plate 12 are respectively arranged inside the cabinet body 10, the upper partition plate 11 is parallel to the lower partition plate 12, a driving cavity 110 is formed between the upper side of the upper partition plate 11 and the inner wall of the cabinet body 10, a gear cavity 120 is formed between the lower side of the lower partition plate 12 and the inner wall of the cabinet body 10, and a sliding cavity 130 is formed between the mutually far sides of the two vertical partition plates 13 and the inner wall of the cabinet body 10; a first driving screw 14 and a second driving screw 15 are arranged in parallel in the sliding cavity 130 on one side, a first driven screw 16 and a second driven screw 17 are correspondingly arranged in the sliding cavity 130 on the other side, the upper ends of the four screws (namely, the first driving screw 14, the second driving screw 15, the first driven screw 16 and the second driven screw 17) all penetrate through the upper partition 11, the lower ends all penetrate through the lower partition 12 (as shown in fig. 1), and the outer walls of the four screws are all rotatably connected with the upper partition 11 (or the lower partition 12) (as shown in fig. 1, the outer walls of the four screws are rotatably connected with the upper partition 11 or the lower partition 12 through a sealed bearing); a first placing plate 18 and a second placing plate 19 are respectively arranged between the upper partition plate 11 and the lower partition plate 12 from top to bottom, and the first placing plate 18 and the second placing plate 19 are parallel to the lower partition plate 12; the two ends of the first placing plate 18 are respectively and fixedly provided with first sliding blocks 181, one ends of the two first sliding blocks 181 far away from the first placing plate 18 respectively penetrate through the vertical partition 13 and are respectively provided with sliding holes 1810 corresponding to the first driving screw 14 and the first driven screw 16 (namely, a sliding hole 1810 corresponding to the first driving screw 14 is arranged on the first sliding block 181 close to the first driving screw 14, a sliding hole 1810 corresponding to the first driven screw 16 is arranged on the first sliding block 181 close to the first driven screw 16, the same applies below), the diameter of the sliding hole 1810 is larger than that of the first driving screw 14 (or the first driven screw 16) (namely, the first driving screw 14 or the first driven screw 16 is not interfered with the first sliding blocks 181), and one ends of the two first sliding blocks 181 far away from the first placing plate 18 are respectively in threaded connection with the second driving screw 15 and the second driven screw 17; two ends of the second placing plate 19 are respectively fixedly provided with a second sliding block 190, one ends of the two second sliding blocks 190 far away from the second placing plate 19 penetrate through the vertical partition plate 13 and are respectively in threaded connection with the first driving screw 14 and the first driven screw 16, and the vertical partition plate 13 is provided with a sliding groove 131 corresponding to the second sliding block 190 (or the first sliding block); the outer wall of the first driving screw 14 located in the driving cavity 110 is fixedly sleeved with a first driving wheel 111, the outer wall of the first driven screw 16 located in the driving cavity 110 is fixedly sleeved with a first driven wheel 112, and the first driving wheel 111 and the first driven wheel 112 are connected through a first transmission belt 113; a second driving wheel 114 is fixedly sleeved on the outer wall of the second driving screw 15 positioned in the driving cavity 110, a second driven wheel 115 is fixedly sleeved on the outer wall of the second driven screw 17 positioned in the driving cavity 110, and the second driving wheel 114 is connected with the second driven wheel 115 through a second driving belt 116; a drive assembly is disposed within the gear chamber 120 for driving the rotation of the first drive screw 14 and the second drive screw 15.

The driving assembly comprises a driving motor 41, a motor support 42, a first telescopic assembly 43, a driving gear 44, a first driven gear 45, a positioning rod 46, an intermediate gear 47 and a second driven gear 48; the driving motor 41 is fixedly arranged on the motor support 42, the protective cover 40 is arranged on the outer walls of the driving motor 41 and the motor support 42, and the top surface of the protective cover 40 is fixedly connected with the outer wall of the bottom of the cabinet body 10 in a sealing manner, so that the driving motor 41 is prevented from being accelerated to age due to the fact that water on the outer wall is splashed onto the driving motor 41; the motor support 42 is disposed on the outer wall of the bottom of the cabinet body 10 through a first telescopic assembly 43, the first telescopic assembly 43 is uniformly disposed around the central axis of the driving motor 41, and at least two sets of the first telescopic assemblies 43 are provided (as shown in fig. 1). An output shaft of the driving motor 41 penetrates through the bottom surface of the cabinet body 10 and is positioned in the gear cavity 120, and a driving gear 44 is fixedly sleeved on the outer wall of the upper end of the output shaft of the driving motor 41; the top end of the first driving screw 14 is rotatably connected with the top surface of the cabinet body 10, the bottom end of the first driving screw is rotatably connected with the top of the positioning rod 46, the bottom of the positioning rod 46 is fixedly connected with the inner wall of the bottom of the cabinet body 10, the outer wall of the positioning rod 46 is sleeved with the intermediate gear 47 through the rotating bearing 460 (namely, the intermediate gear 47 is rotatably connected with the positioning rod 46), the outer wall of the first driving screw 14, which is positioned in the gear cavity 120, is fixedly sleeved with the first driven gear 45, and the first driven gear 45 and the intermediate gear 47 can be meshed with the driving gear 44; the top end of the second driving screw 15 is rotatably connected with the top surface of the cabinet body 10, the bottom end of the second driving screw is rotatably connected with the inner wall of the bottom of the cabinet body 10, the outer wall of the second driving screw 15 and the corresponding intermediate gear 47 are fixedly sleeved with a second driven gear 48, and the second driven gear 48 is meshed with the intermediate gear 47; the top ends of the first driven screw 16 and the second driven screw 17 are rotatably connected to the top surface of the cabinet body 10, and the bottom ends are rotatably connected to the bottom surface of the cabinet body 10. In order to avoid radial run-out in the rotation process of the output shaft of the driving motor 41, the guide rod 410 is fixedly arranged on the bottom surface of the lower partition plate 12 and corresponds to the driving motor 41, the upper end of the output shaft of the driving motor 41 is sleeved on the outer wall of the guide rod 410, and the output shaft of the driving motor 41 is slidably connected with the guide rod 410.

The outer wall of the top of the cabinet body 10 is provided with a self-locking device corresponding to the first driving screw 14 and the second driving screw 15 respectively, and the self-locking devices are used for preventing the screws from rotating automatically; the self-locking device comprises a pressure plate 101, a second telescopic assembly 102 and spline shafts 103, one end of the second telescopic assembly 102 is fixedly connected with the top surface of the cupboard body 10, the other end of the second telescopic assembly 102 is connected with the outer ring of the bottom surface of the pressure plate 101, the second telescopic assemblies 102 are uniformly distributed around the central axis of the pressure plate 101 (the number of the second telescopic assemblies 102 is not less than two), and the spline shafts 103 are fixedly arranged in the middle of the bottom surface of the pressure plate 101; spline shafts 103 of the first drive screw 14 and the second drive screw 15 are provided with spline holes 140.

The first sliding block 181 has a width smaller than that of the first placement plate 18, and the second sliding block 190 has a width smaller than that of the second placement plate 19 (see fig. 4).

The first placing plate 18 and the second placing plate 19 are provided with water leakage holes 182 (as shown in fig. 1 and 4) on both sides.

Lower baffle 12 top surface just is located between two vertical baffles 13 and places board 20 by lower supreme sponge layer 30 and the bottom of setting gradually, and 30 both ends on sponge layer respectively with vertical baffle 13 sliding connection, ensure that sponge layer 30 can dismantle, place board 20 both ends respectively with vertical baffle 13 fixed connection and bottom and evenly set up a plurality of apopores 21 on placing board 20.

The front side of the cabinet body 10 is provided with a sliding cabinet door 104, the middle of one end of the inner wall of the cabinet body 10, which is far away from the sliding cabinet door 104, is provided with a limiting sliding groove 105, the first placing plate 18 and the second placing plate 19 are placed at one end, which is far away from the sliding cabinet door 104, and are respectively provided with a limiting sliding block 180, the limiting sliding block 180 is clamped into the limiting sliding groove 105 and is in sliding connection, so that the first placing plate 18 and the second placing plate 19 are prevented from being deviated in the sliding process and causing mechanism clamping stagnation.

The first telescopic assembly 43 and the second telescopic assembly 102 are both externally connected with a hydraulic device and are telescopic through a hydraulic device controller.

The working principle is as follows: initially, the self-locking device performs self-locking, the spline shaft 103 is clamped into the spline hole 140, the first driving screw 14 and the second driving screw 15 do not rotate, and the interval in the cabinet body 10 is unchanged. When the spacing between the upper partition plate 11 and the first placing plate 18 needs to be adjusted, the first telescopic assembly 43 is started firstly, the driving motor 41 and the motor support 42 move up and down, and the driving gear 44 is meshed with the intermediate gear 47; then, the second telescopic assembly 102 corresponding to the second driving screw 15 is started, so that the spline shaft 103 is separated from the spline hole 140 of the second driving screw 15 (at this time, the first driving screw 14 is still limited by the self-locking device); and then, the driving motor 41 is started, the driving motor 41 drives the second driven gear 48 to rotate through the intermediate gear 47, and further drives the second driving screw 15 to rotate, the second driving screw 15 drives the second driven screw 17 to rotate through the second driving wheel 114, the second driven wheel 115 and the second driving belt 116, and further realizes the up-and-down movement of the first placing plate 18, the interval adjustment between the upper partition plate 11 and the first placing plate 18 or between the second placing plate 19 and the first placing plate 18 is realized, and after the adjustment is finished, the spline shaft 103 is clamped into the spline hole 140 to realize the self-locking again. Similarly, when the distance between the second placing plate 19 and the lower partition plate 12 needs to be adjusted, the driving motor 41 is moved to engage the driving gear 44 with the first driven gear 45, then the self-locking device of the first driving screw 14 is opened, and the driving motor 41 is started to adjust the position of the second placing plate 19.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cabinet with freely adjustable height comprises a cabinet body (10), and is characterized in that: an upper partition plate (11), a lower partition plate (12) and two vertical partition plates (13) which are parallel to each other and are positioned between the upper partition plate (11) and the lower partition plate (12) are respectively arranged in the cabinet body (10), the upper partition plate (11) is parallel to the lower partition plate (12), a driving cavity (110) is formed between the upper side of the upper partition plate (11) and the inner wall of the cabinet body (10), a gear cavity (120) is formed between the lower side of the lower partition plate (12) and the inner wall of the cabinet body (10), and a sliding cavity (130) is formed between one side, far away from each other, of the two vertical partition plates (13) and the inner wall of the cabinet body (10); a first driving screw (14) and a second driving screw (15) are arranged in parallel in the sliding cavity (130) on one side, a first driven screw (16) and a second driven screw (17) are correspondingly arranged in the sliding cavity (130) on the other side, the upper ends of the four screws penetrate through the upper partition plate (11), the lower ends of the four screws penetrate through the lower partition plate (12), and the outer walls of the four screws are rotatably connected with the upper partition plate (11) or the lower partition plate (12); a first placing plate (18) and a second placing plate (19) are respectively arranged between the upper partition plate (11) and the lower partition plate (12) from top to bottom, and the first placing plate (18) and the second placing plate (19) are parallel to the lower partition plate (12); two ends of the first placing plate (18) are respectively and fixedly provided with first sliding blocks (181), one ends of the two first sliding blocks (181) far away from the first placing plate (18) respectively penetrate through the vertical partition plate (13) and are respectively corresponding to the first driving screw (14) and the first driven screw (16) to be provided with sliding holes (1810), the diameter of each sliding hole (1810) is larger than that of the first driving screw (14), and one ends of the two first sliding blocks (181) far away from the first placing plate (18) are respectively in threaded connection with the second driving screw (15) and the second driven screw (17); two ends of the second placing plate (19) are respectively and fixedly provided with a second sliding block (190), one ends of the two second sliding blocks (190) far away from the second placing plate (19) penetrate through the vertical partition plate (13) and are respectively in threaded connection with the first driving screw (14) and the first driven screw (16), and the vertical partition plate (13) is provided with a sliding groove (131) corresponding to the second sliding block (190); the outer wall of the first driving screw (14) in the driving cavity (110) is fixedly sleeved with a first driving wheel (111), the outer wall of the first driven screw (16) in the driving cavity (110) is fixedly sleeved with a first driven wheel (112), and the first driving wheel (111) and the first driven wheel (112) are connected through a first transmission belt (113); the outer wall of the second driving screw (15) positioned in the driving cavity (110) is fixedly sleeved with a second driving wheel (114), the outer wall of the second driven screw (17) positioned in the driving cavity (110) is fixedly sleeved with a second driven wheel (115), and the second driving wheel (114) is connected with the second driven wheel (115) through a second transmission belt (116); a driving assembly is arranged in the gear cavity (120).

2. The cabinet as claimed in claim 1, wherein the height of the cabinet is freely adjustable, and the height of the cabinet is adjusted by: the driving assembly comprises a driving motor (41), a motor support (42), a first telescopic assembly (43), a driving gear (44), a first driven gear (45), a positioning rod (46), an intermediate gear (47) and a second driven gear (48); the driving motor (41) is fixedly arranged on the motor support (42), the motor support (42) is arranged on the outer wall of the bottom of the cabinet body (10) through a first telescopic assembly (43), an output shaft of the driving motor (41) penetrates through the bottom surface of the cabinet body (10) and is positioned in the gear cavity (120), and a driving gear (44) is fixedly sleeved on the outer wall of the upper end of the output shaft of the driving motor (41); the top end of the first driving screw rod (14) is rotatably connected with the top surface of the cabinet body (10), the bottom end of the first driving screw rod is rotatably connected with the top of the positioning rod (46), the bottom of the positioning rod (46) is fixedly connected with the inner wall of the bottom of the cabinet body (10), the outer wall of the positioning rod (46) is sleeved with the intermediate gear (47) through a rotating bearing (460), the outer wall of the first driving screw rod (14) in the gear cavity (120) is fixedly sleeved with the first driven gear (45), and the first driven gear (45) and the intermediate gear (47) can be meshed with the driving gear (44); the top end of the second driving screw rod (15) is rotatably connected with the top surface of the cabinet body (10), the bottom end of the second driving screw rod is rotatably connected with the inner wall of the bottom of the cabinet body (10), a second driven gear (48) is fixedly sleeved on the outer wall of the second driving screw rod (15) and corresponds to the intermediate gear (47), and the second driven gear (48) is meshed with the intermediate gear (47); the top ends of the first driven screw rod (16) and the second driven screw rod (17) are rotatably connected with the top surface of the cabinet body (10), and the bottom ends of the first driven screw rod and the second driven screw rod are rotatably connected with the bottom surface of the cabinet body (10).

3. The cabinet as claimed in claim 2, wherein the height of the cabinet is freely adjustable, and the height of the cabinet is adjusted by: the outer walls of the driving motor (41) and the motor support (42) are provided with a protective cover (40), and the top surface of the protective cover (40) is fixedly connected with the outer wall of the bottom of the cabinet body (10) in a sealing manner; first flexible subassembly (43) are evenly set up around driving motor (41) axis and first flexible subassembly (43) are no less than two sets ofly.

4. The cabinet as claimed in claim 2, wherein the height of the cabinet is freely adjustable, and the height of the cabinet is adjusted by: the outer wall of the top of the cabinet body (10) is provided with a self-locking device corresponding to the first driving screw (14) and the second driving screw (15) respectively; the self-locking device comprises a pressure plate (101), a second telescopic assembly (102) and a spline shaft (103), one end of the second telescopic assembly (102) is fixedly connected with the top surface of the cabinet body (10), the other end of the second telescopic assembly is connected with the outer ring of the bottom surface of the pressure plate (101), the second telescopic assembly (102) is uniformly distributed around the central axis of the pressure plate (101), and the spline shaft (103) is fixedly arranged in the middle of the bottom surface of the pressure plate (101); spline shafts (103) corresponding to the first driving screw (14) and the second driving screw (15) are provided with spline holes (140).

5. The cabinet as claimed in claim 2, wherein the height of the cabinet is freely adjustable, and the height of the cabinet is adjusted by: the width of the first sliding block (181) is smaller than that of the first placing plate (18), and the width of the second sliding block (190) is smaller than that of the second placing plate (19).

6. The cabinet as claimed in claim 2, wherein the height of the cabinet is freely adjustable, and the height of the cabinet is adjusted by: and water leakage holes (182) are uniformly formed in the two sides of the first placing plate (18) and the second placing plate (19).

7. A cabinet with freely adjustable height as claimed in claim 2, wherein: the lower partition board (12) is arranged on the top surface of the two vertical partition boards (13), a sponge layer (30) and a bottom placing board (20) are sequentially arranged between the two vertical partition boards (13) from bottom to top, the two ends of the sponge layer (30) are respectively in sliding connection with the vertical partition boards (13), and a plurality of water outlet holes (21) are uniformly formed in the bottom placing board (20) and the two ends of the bottom placing board (20) are respectively fixedly connected with the vertical partition boards (13) and the bottom placing board (20).

8. The cabinet as claimed in claim 2, wherein the height of the cabinet is freely adjustable, and the height of the cabinet is adjusted by: the cabinet is characterized in that a sliding cabinet door (104) is arranged on the front side of the cabinet body (10), a limiting sliding groove (105) is formed in the middle of one end, away from the sliding cabinet door (104), of the inner wall of the cabinet body (10), a first placing plate (18) and a second placing plate (19) are arranged at one end, away from the sliding cabinet door (104), corresponding to the limiting sliding groove (105), and are respectively provided with a limiting sliding block (180), and the limiting sliding blocks (180) are clamped into the limiting sliding groove (105) and are in sliding connection.