Adjustable volume type water storage cold insulation box
By designing an adjustable volume and synchronous lifting components in the water-cooled insulation box, the problems of caster wheel overload and box displacement are solved, achieving stability and safety under different load conditions, and taking into account the needs of both mobile and fixed use.
Patent Information
- Application Number
- CN202521815530.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-25
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-08-25
AI Technical Summary
When the volume of existing water-cooled insulation boxes increases, the casters are subjected to overload, which can easily lead to deformation or damage. Furthermore, in fixed usage scenarios, the casters coming into contact with the ground can cause the box to shift, affecting its stability.
An adjustable volume water-cooled insulation tank was designed, which adopts an insulated outer barrel and inner barrel structure, combined with a volume adjustment component and a synchronous lifting component. The lifting of the casters is achieved by a motor-driven screw and transmission system. The support state can be manually adjusted according to the load. When lightly loaded, the casters are in contact with the ground for easy movement, while when heavily loaded, they are rigidly supported by the base.
It achieves stability and safety of the enclosure under different load conditions, avoids deformation of the casters and displacement of the enclosure, and balances flexibility and load-bearing safety.
Smart Images

Figure CN224681044U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of cold storage equipment, specifically relating to an adjustable volume water cold storage and insulation box. Background Technology
[0002] Water-cooled cold storage boxes are widely used in cold chain logistics, medical refrigeration, and industrial cold storage. They store cold energy within the box using a cold storage medium (such as water or phase change material) to achieve long-term insulation. In existing technology, four casters are typically installed at the bottom of the box for easy movement.
[0003] However, with increasing user demand for cold storage capacity, adjustable container volume design is gradually becoming a trend. When the container volume increases, the total weight of the internal cold storage medium and goods increases significantly, causing the load on the bottom casters to far exceed the design threshold, easily leading to problems such as wheel deformation, bearing damage, or even loss of control. Furthermore, in fixed usage scenarios (such as long-term storage), direct contact between the casters and the ground may cause container displacement due to vibration or uneven ground, affecting stability. Therefore, there is an urgent need for a structure that can manually adjust the support state according to changes in container volume and load, allowing the casters to rise off the ground and become rigidly supported under heavy loads, and return to mobile mode under light loads, thus balancing flexibility and load-bearing safety in an adjustable volume water-cooled cold storage insulation container.
[0004] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content
[0005] The purpose of this invention is to provide an adjustable volume water-cooled insulation box to solve the problem that existing technologies cannot manually adjust the support state according to changes in box volume and load.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] An adjustable-capacity water-cooled insulation tank includes an outer insulation tank and an inner insulation tank with an inverted T-shaped vertical cross-section. The top opening of the outer insulation tank is movably fitted onto the outside of the inner insulation tank. A first sealing ring is fixedly connected to the bottom periphery of the inner insulation tank. A second sealing ring is fixedly connected to the inner wall of the top opening of the outer insulation tank. A drain pipe with a manual valve is fixedly connected to a water outlet located near the bottom of the outer wall of the outer insulation tank. A water inlet with a manual valve is fixedly connected to a water inlet located at the top edge of the inner insulation tank. A volume adjustment component connects the outer insulation tank and the inner insulation tank. A circular base is fixedly connected to the bottom of the outer insulation tank. Four casters arranged in a circular array are connected between the outer insulation tank and the base via a synchronous lifting component.
[0008] Preferably, both the outer insulated bucket and the outer insulated bucket are made of 304 stainless steel, and the inner sides of both the outer insulated bucket and the outer insulated bucket are hollow.
[0009] Preferably, the volume adjustment assembly includes a motor fixedly connected to the center of the top of the inner insulated barrel, the output shaft of the motor extending movably into the inner insulated barrel and fixedly connected to a screw, the screw being threadedly connected to a threaded channel opened on the inner side of the support cylinder, and the bottom end of the support cylinder being fixedly connected to the center of the inner bottom wall of the outer insulated barrel.
[0010] Preferably, both sides of the support cylinder are provided with telescopic rods fixed to the bottom wall of the outer insulation cylinder, and the telescopic ends of the telescopic rods are fixed to the top wall of the inner insulation cylinder.
[0011] Preferably, the synchronous lifting assembly includes a guide ring fixed to the outer wall of the insulated outer barrel. A rotating plate with a circular cross-section is rotatably sleeved on the outer side of the guide ring and the insulated outer barrel. Four arc-shaped inclined slots arranged in a circular array are opened on the outer side of the rotating plate. A transmission column is movably connected in each of the arc-shaped inclined slots. The end of each transmission column away from the arc-shaped inclined slot is fixed to the top of a lifting block with a convex cross-section by a vertical rod. Each lifting block is slidably connected to a matching lifting groove opened on the outer side of the support base. The bottom end of each support base is fixed to the top end of the base. The bottom end of each lifting block is rotatably connected to the top of the universal wheel.
[0012] Preferably, a T-shaped handle is fixed to the outer wall of the rotating plate, and a T-shaped hand screw is threaded to the middle of the T-shaped handle. The end of the hand screw movably passes through the rotating plate and abuts against the outside of the guide ring.
[0013] Compared with the prior art, the present invention has the following beneficial effects:
[0014] (1) When the inner and outer insulation tanks of this utility model are empty and need to be moved and transported, the hand screw on the T-handle can be loosened so that the end of the hand screw can be released from the tightness against the outside of the guide ring. Then the rotating plate can be rotated clockwise through the T-handle. With the help of the four transmission columns and four arc-shaped grooves, the uprights can drive the universal wheels at the bottom of the lifting block to descend, and the wheels of the universal wheels can contact the ground and support the base, thus facilitating the movement and transportation of the water storage and insulation tank.
[0015] (2) The adjustable volume water-cooled insulation box of this utility model is attached with Figure 2 As can be seen, when the inner and outer insulated tanks are loaded with a lot of cold water, their four casters are off the ground, and all the weight is rigidly supported by the base, which greatly ensures the stability and safety of the water storage and insulation box. At the same time, it can also avoid the problem of the casters deforming due to gravity, or the box shifting due to vibration or uneven ground, which would affect the stability. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall three-dimensional first-view structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the overall three-dimensional second-view structure of this utility model;
[0018] Figure 3 This is an enlarged structural diagram of point A of this utility model;
[0019] Explanation of key figure labels:
[0020] 1. Insulated outer tank; 11. Insulated inner tank; 111. First sealing ring; 12. Water inlet pipe; 13. Drain pipe; 14. Second sealing ring; 2. Volume adjustment assembly; 21. Support cylinder; 22. Screw; 23. Telescopic rod; 24. Motor; 3. Synchronous lifting assembly; 31. Support base; 32. Lifting block; 33. Upright pole; 34. Transmission column; 35. Rotating plate; 36. Arc-shaped inclined groove; 37. Guide ring; 38. T-shaped handle; 39. Hand-tightening screw; 4. Casters. Detailed Implementation
[0021] The technical solution of this utility model patent will be clearly and completely described below. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0022] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.
[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0024] However, as users' demands for cold storage capacity increase, adjustable cabinet volume designs are gradually becoming a trend. When the cabinet volume increases, the total weight of the internal cold storage medium and goods increases significantly, causing the load on the bottom casters 4 to far exceed the design threshold, which can easily lead to problems such as wheel deformation, bearing damage, or even loss of control. In addition, in fixed usage scenarios such as long-term storage, the casters 4 are in direct contact with the ground, which may cause the cabinet to shift due to vibration or uneven ground, affecting stability.
[0025] See attached document Figure 1-3 An adjustable-capacity water-cooled insulation tank includes an outer insulation tank 1 and an inner insulation tank 11 with an inverted T-shaped vertical cross-section. The top opening of the outer insulation tank 1 is movably fitted onto the outside of the inner insulation tank 11. A first sealing ring 111 is fixedly connected to the bottom periphery of the inner insulation tank 11. A second sealing ring 14 is fixedly connected to the inner wall of the top opening of the outer insulation tank 1. A drain pipe 13 with a manual valve is fixedly connected to the water outlet opened near the bottom of the outer wall of the outer insulation tank 1. A water inlet pipe 12 with a manual valve is fixedly connected to the water inlet opened at the top edge of the inner insulation tank 11. A volume adjustment component 2 is connected between the outer insulation tank 1 and the inner insulation tank 11. A circular base is fixedly connected to the bottom of the outer insulation tank 1. Four universal wheels 4 arranged in a circular array are connected between the outer insulation tank 1 and the base through a synchronous lifting component 3.
[0026] Both the first sealing ring 111 and the second sealing ring 14 are made of silicone rubber, which can effectively resist high and low temperatures and has a long service life.
[0027] Furthermore, such as Figure 1-3As shown, both the outer heat-insulating tank 1 and the outer heat-insulating tank 1 are made of 304 stainless steel, and the inner side of both the outer heat-insulating tank 1 and the outer heat-insulating tank 1 is hollow.
[0028] Hollow structures can be attached Figure 2 As can be seen, insulating quartz wool can also be installed in the hollow structure to provide high-quality insulation for the stored cold water.
[0029] Furthermore, such as Figure 1-3 As shown, in order to adjust the volume of stored water, a volume adjustment component 2 is provided, including a motor 24 fixed at the center of the top of the inner insulated tank 11. The output shaft of the motor 24 extends movably into the inner insulated tank 11 and is fixedly connected to a screw 22. The screw 22 is threaded into a threaded channel opened on the inner side of the support cylinder 21. The bottom end of the support cylinder 21 is fixed to the center of the inner bottom wall of the outer insulated tank 1. Both sides of the support cylinder 21 are provided with telescopic rods 23 fixed to the inner bottom wall of the outer insulated tank 1. The telescopic ends of the telescopic rods 23 are fixed to the inner top wall of the inner insulated tank 11.
[0030] Both the screw 22 and the support cylinder 21 are made of 316 stainless steel, which can be used in water for a long time and is not easy to rust.
[0031] The screw 22 is driven by the motor 24, which can be a waterproof motor. The screw 22 rotates forward or backward in the threaded channel, and in conjunction with the telescopic rod 23, the inner insulated bucket 11 can be raised and lowered inside the outer insulated bucket 1 to adjust the volume.
[0032] Furthermore, such as Figure 1-3 As shown, in order to enable the four casters 4 to be raised and lowered synchronously, and to manually adjust the support status according to changes in the box volume and load, a synchronous lifting assembly 3 is provided. This assembly includes a guide ring 37 fixed to the outer wall of the insulated outer barrel 1. A rotating plate 35 with a circular cross-section is rotatably sleeved on the outer side of the guide ring 37 and the outer barrel 1. Four arc-shaped inclined grooves 36 arranged in a circular array are provided on the outer side of the rotating plate 35. A transmission column 34 is movably connected in each arc-shaped inclined groove 36. The end of the transmission column 34 away from the arc-shaped inclined groove 36 is... All are fixed to the top of the lifting block 32 with a convex cross-section by the upright 33. The lifting block 32 is slidably connected to the support base 31 with a matching lifting groove on the outside. The bottom end of the support base 31 is fixed to the top of the base. The bottom end of the lifting block 32 is rotatably connected to the top of the universal wheel 4. A T-shaped handle 38 is fixed to the outer wall of the rotating plate 35. A T-shaped hand screw 39 is threadedly connected to the middle of the T-shaped handle 38. The end of the hand screw 39 moves through the rotating plate 35 and abuts against the outside of the guide ring 37.
[0033] The inner width of the arc-shaped inclined groove 36 is equal to the diameter of the transmission column 34. The end of the transmission column 34 away from the upright 33 is movably connected to the arc-shaped inclined groove 36. The cross-section of the lifting groove is convex, and the inner bottom wall of the lifting groove is flush with the top of the base.
[0034] In actual use, when the inner insulation tank 11 and the outer insulation tank 1 are empty and need to be moved for transportation, the hand screw 39 on the T-handle 38 can be loosened, so that the end of the hand screw 39 is no longer pressed against the outside of the guide ring 37. Then, the rotating plate 35 can be rotated clockwise through the T-handle 38. With the action of the four transmission columns 34 and the four arc-shaped inclined grooves 36, the uprights 33 drive the universal wheels 4 at the bottom of the lifting block 32 to descend, so that the wheels of the universal wheels 4 contact the ground and support the base, thus facilitating the movement and transportation of the water-cooled insulation box. When heavy loads need to be moved, the four universal wheels 4 can also be used for movement. After movement, the four universal wheels 4 can be quickly and synchronously removed from the ground to achieve rigid support of the base, which greatly ensures the stability and safety of the water-cooled insulation box. At the same time, it can also avoid the problem of deformation of the universal wheels 4 due to gravity, or displacement of the box due to vibration or uneven ground, which would affect stability.
[0035] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and explanatory purposes. These descriptions are not intended to limit the present invention to the precise forms disclosed, and it will be apparent that many changes and variations can be made in accordance with the foregoing teachings. The exemplary embodiments were chosen and described in order to explain the specific principles of the present invention and its practical application, thereby enabling those skilled in the art to implement and utilize various different exemplary embodiments of the present invention, as well as various different choices and variations. The scope of the present invention is intended to be defined by the claims and their equivalents.
Claims
1. An adjustable volumetric water-cooled insulation box, comprising an outer insulation tank (1) and an inner insulation tank (11) with an inverted T-shaped vertical cross-section, wherein the top opening of the outer insulation tank (1) is movably fitted onto the outside of the inner insulation tank (11), a first sealing ring (111) is fixedly connected to the outer periphery of the bottom end of the inner insulation tank (11), a second sealing ring (14) is fixedly connected to the inner wall of the top opening of the outer insulation tank (1), a drain pipe (13) with a manual valve is fixedly connected to the outlet of the outer wall of the outer insulation tank (1) near its bottom end, and a water inlet pipe (12) with a manual valve is fixedly connected to the inlet of the top edge of the inner insulation tank (11), a volumetric adjustment assembly (2) is connected between the outer insulation tank (1) and the inner insulation tank (11), and a circular base is fixedly connected to the bottom end of the outer insulation tank (1), characterized in that, The heat-insulating outer barrel (1) and the base are connected by a synchronous lifting assembly (3) and four casters (4) arranged in a circular array.
2. The adjustable volume water-cooled insulation box according to claim 1, characterized in that, Both the heat-insulating outer barrel (1) and the heat-insulating outer barrel (1) are made of 304 stainless steel, and the inner side of both the heat-insulating outer barrel (1) and the heat-insulating outer barrel (1) is hollow.
3. The adjustable volume water-cooled insulation box according to claim 2, characterized in that, The volume adjustment assembly (2) includes a motor (24) fixed at the center of the top of the inner insulated barrel (11). The output shaft of the motor (24) extends movably into the inner insulated barrel (11) and is fixedly connected to a screw (22). The screw (22) is threadedly connected to a threaded channel opened on the inner side of the support cylinder (21). The bottom end of the support cylinder (21) is fixedly connected to the center of the inner bottom wall of the outer insulated barrel (1).
4. The adjustable volume water-cooled insulation box according to claim 3, characterized in that, Both sides of the support cylinder (21) are provided with telescopic rods (23) fixed to the inner bottom wall of the outer heat-insulating barrel (1), and the telescopic ends of the telescopic rods (23) are fixed to the inner top wall of the inner heat-insulating barrel (11).
5. The adjustable volume water-cooled insulation box according to claim 4, characterized in that, The synchronous lifting assembly (3) includes a guide ring (37) fixed to the outer wall of the heat-insulating outer barrel (1). The guide ring (37) and the outer side of the heat-insulating outer barrel (1) are rotatably sleeved with a rotating plate (35) with a circular cross-section. The outer side of the rotating plate (35) is provided with four arc-shaped inclined grooves (36) arranged in a ring array. Each arc-shaped inclined groove (36) is movably connected with a transmission column (34). The end of the transmission column (34) away from the arc-shaped inclined groove (36) is fixed to the top of the lifting block (32) with a convex cross-section through a vertical rod (33). The lifting blocks (32) are slidably connected to the support base (31) with a matching lifting groove. The bottom end of the support base (31) is fixed to the top end of the base. The bottom end of the lifting blocks (32) is rotatably connected to the top end of the universal wheel (4).
6. The adjustable volume water-cooled insulation box according to claim 5, characterized in that, A T-shaped handle (38) is fixed to the outer wall of the rotating plate (35). A T-shaped hand screw (39) is threaded to the middle of the T-shaped handle (38). The end of the hand screw (39) moves through the rotating plate (35) and abuts against the outside of the guide ring (37).