High-heat-preservation type vacuum bottle

Abstract

The utility model relates to the technical field of thermos bottles, in particular to a high heat preservation type thermos bottle which comprises a shell, an inner container is arranged in the shell, a heat preservation layer middle portion is attached between the outer wall of the inner container and the inner wall of the shell, a plurality of columns of honeycomb holes distributed at equal intervals are formed in the heat preservation layer middle portion, and an inner screw groove is formed in the bottom of the inner wall of the shell. The bottom of a heat preservation layer is placed on the top of the base plate, and the bottom of the heat preservation layer is attached between the bottom of the outer wall of the inner container and the bottom of the middle of the heat preservation layer. The heat preservation layer made of the phase change heat storage materials can be arranged between the shell and the inner container to conduct heat storage and heat preservation, heat lost from the inner container is stored and fed back to the inner container to achieve efficient heat preservation operation, the problem that the heat penetrates through the shell to be lost is avoided, the high-temperature effect of the whole thermos bottle is improved, and the service life of the thermos bottle is prolonged. And the vacuum degree in the thermos bottle is also improved, so that the thermos bottle can be subjected to heat preservation operation in a vacuum environment.

Description

Technical Field

[0001] The utility model relates to the technical field of thermos bottles, in particular to a high-heat-insulating thermos bottle. Background Art

[0002] Thermos flasks are also called hot water bottles, which are mainly used to keep hot water warm. The principle of the thermos flask is to apply a layer of silver or reflective paint in the vacuum compartment to block the heat radiation, and then use a stopper to block the bottle mouth to cut off the heat conduction so that the outer shell of the bottle can maintain the temperature for a long time.

[0003] After searching, the patent publication number CN211459900U is a high-insulation thermos bottle, including a bottle body, the bottle body includes an inner liner, an outer shell and an outer bottom, the outer bottom is connected to the lower side of the outer shell, the inner liner is placed in the space enclosed by the outer shell and the outer bottom, a stainless steel interlayer is provided between the outer wall of the inner liner and the inner wall of the outer shell, a copper-plated layer is provided on the outer surface of the stainless steel interlayer facing the inner liner, and a copper-plated layer or a copper foil layer or an aluminum foil layer is provided on the outer surface of the stainless steel interlayer facing the outer shell. The high-insulation thermos bottle described in the utility model has a stainless steel interlayer between the inner liner and the outer shell, a copper-plated layer is provided on the inner side of the stainless steel interlayer, and a copper-plated layer or a copper foil layer or an aluminum foil layer is provided on the outer side, which can play a role in heat preservation and enhance the heat preservation effect of the thermos cup. In the process of implementing the above scheme, it was found that the following problems in the prior art have not been well solved: in the prior art, a stainless steel sandwich structure with a copper-plated layer or the like is provided between the outer shell and the inner liner to achieve high temperature treatment. However, there is still a gap inside the stainless steel sandwich, and the heat inside the inner liner will still be lost into the stainless steel sandwich and then lost through the outer shell, so that there is no heat storage and insulation structure between the inner liner and the outer shell, and the high insulation performance is not obvious. Therefore, it is urgent to design a high-insulation thermos to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a high heat preservation type thermos bottle to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A high-insulation thermos bottle comprises an outer shell, an inner liner is arranged inside the outer shell, and a middle part of a heat-insulating layer is bonded between the outer wall of the inner liner and the inner wall of the outer shell, a plurality of rows of honeycomb holes distributed at equal distances are provided on the middle part of the heat-insulating layer, an inner screw groove is provided at the bottom of the inner wall of the outer shell, a bottom plate is screwed to the inner wall of the inner screw groove, a bottom part of the heat-insulating layer is placed on the top of the bottom plate, the bottom part of the heat-insulating layer is bonded between the bottom of the outer wall of the inner liner and the bottom of the middle part of the heat-insulating layer, a top part of the heat-insulating layer bonded to the top part of the middle part of the heat-insulating layer is provided on the top of the inner wall of the outer shell, and the top part, the middle part and the bottom part of the heat-insulating layer are all designed to be phase-change heat storage materials.

[0007] Furthermore, the circumferential outer wall in the middle of the insulation layer and the circumferential outer wall at the bottom of the insulation layer are both provided with equally spaced limiting grooves, and the circumferential inner wall of the shell is fixed with equally spaced limiting strips, which are inserted into the limiting grooves.

[0008] Furthermore, a support tube is fixed at the middle position of the top of the chassis, and the support tube is attached to the bottom of the inner tank, and a through hole for the support tube to pass through is opened at the middle position of the bottom of the insulation layer.

[0009] Furthermore, a storage cavity is opened in the middle position of the interior of the chassis, and an air vent hole identical to that of the support tube is opened in the middle position of the top of the storage cavity, a getter is placed inside the storage cavity, and air intake holes equidistantly distributed in a ring shape are opened between the top of the top of the insulation layer and the circumferential inner wall of the support tube, and the air intake holes penetrate the middle of the insulation layer, the honeycomb holes and the bottom of the insulation layer.

[0010] Furthermore, a bottom groove is provided in the middle position of the bottom of the chassis, and a threaded hole is provided between the middle position of the top of the bottom groove and the middle position of the bottom of the storage chamber, a threaded column is screwed on the inner wall of the threaded hole, a bottom cover inserted in the bottom groove is fixed to the bottom of the threaded column, an annular sealing groove is provided on the top of the bottom cover, and a sealing ring is fixed on the top inner wall of the bottom groove and fits in the annular sealing groove.

[0011] Furthermore, an external screw groove is opened at the top of the outer wall of the shell, and a bottle cap is screwed on the outer wall of the external screw groove. A bottle plug is fixedly installed in the middle position of the inner wall of the bottle cap and is attached to the top of the inner wall of the liner. The bottom surface of the bottle plug is lower than the top surface of the top of the insulation layer.

[0012] Furthermore, a handle frame is fixed to one side of the shell, and a handle frame is rotatably provided on the outer wall of the shell near the top.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, a heat preservation layer made of phase change heat storage material can be arranged between the outer shell and the inner liner by using the cooperation of the middle part of the heat preservation layer, the honeycomb holes, the bottom of the heat preservation layer and the top of the heat preservation layer to perform heat storage and heat preservation treatment, so that the heat lost by the inner liner can be stored by using the phase change heat storage material, and then fed back to the inner liner to realize efficient heat preservation operation, avoid the problem of heat loss through the outer shell, and improve the high temperature effect of the entire thermos bottle;

[0015] In the utility model, the getter in the storage cavity can be used in conjunction with the air intake holes and the honeycomb holes to absorb a certain amount of excess air inside the thermos bottle, thereby increasing the vacuum degree inside the thermos bottle, creating a good working environment for the insulation operation of the thermos bottle and further improving the insulation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The figure is a schematic diagram of the overall structure of a high-heat-insulating thermos bottle.

[0017] Figure 2 It is an overall cross-sectional view of a high-heat-insulating thermos bottle.

[0018] Figure 3 The present invention is a schematic diagram of the inner and outer screw groove structures of a high-heat-insulating thermos bottle.

[0019] Figure 4 The diagram is a schematic diagram of the honeycomb hole and limiting groove structure of a high-heat-insulating thermos bottle.

[0020] Figure 5 The diagram is a schematic diagram of the bottom groove and threaded hole structure of a high-heat-insulating thermos bottle.

[0021] Figure 6 The present invention is a cross-sectional view of the middle and bottom of the insulation layer of a high-insulation thermos bottle.

[0022] In the figure: 1. outer shell; 2. handle frame; 3. bottle cap; 4. handle frame; 5. chassis; 6. liner; 7. middle part of insulation layer; 8. bottom of insulation layer; 9. storage cavity; 10. support tube; 11. bottom cover; 12. getter; 13. limit strip; 14. top of insulation layer; 15. bottle stopper; 16. inner screw groove; 17. outer screw groove; 18. honeycomb hole; 19. suction hole; 20. limit groove; 21. threaded column; 22. bottom groove; 23. sealing ring; 24. threaded hole. DETAILED DESCRIPTION

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

[0024] See also Figure 1-Figure 6In the embodiment of the utility model, a high-insulation thermos bottle includes an outer shell 1, an inner liner 6 is arranged inside the outer shell 1, and an insulation layer middle portion 7 is attached between the outer wall of the inner liner 6 and the inner wall of the outer shell 1, and a plurality of rows of honeycomb holes 18 are arranged on the insulation layer middle portion 7, and an inner screw groove 16 is arranged at the bottom of the inner wall of the outer shell 1, and a bottom plate 5 is screwed to the inner wall of the inner screw groove 16, and an insulation layer bottom 8 is placed on the top of the bottom plate 5, and the insulation layer bottom 8 is attached between the outer wall bottom of the inner liner 6 and the bottom of the insulation layer middle portion 7, and the inner wall top of the outer shell 1 is provided with an insulation layer top 1 attached to the top of the insulation layer middle portion 7. 4, the top 14 of the insulation layer, the middle 7 of the insulation layer and the bottom 8 of the insulation layer are all designed as phase change heat storage materials. By using the cooperation of the middle 7 of the insulation layer, the honeycomb holes 18, the bottom 8 of the insulation layer and the top 14 of the insulation layer, a layer of insulation layer made of phase change heat storage material can be set between the outer shell 1 and the inner liner 6 for heat storage and heat preservation treatment, so that the heat lost by the inner liner 6 can be stored by using the phase change heat storage material, and then fed back to the inner liner 6 to achieve efficient heat preservation operation, avoiding the problem of heat loss through the outer shell 1. A support tube 10 is fixed at the top middle position of the chassis 5, and the support tube 10 is attached to the inner liner 6. The bottom, the middle position of the bottom 8 of the thermal insulation layer is provided with a through hole for the support tube 10 to pass through, the inner middle position of the chassis 5 is provided with a storage cavity 9, and the middle position of the top of the storage cavity 9 is provided with a vent hole identical to the support tube 10, and a getter 12 is placed inside the storage cavity 9, and the top of the thermal insulation layer top 14 and the circumferential inner wall of the support tube 10 are provided with suction holes 19 distributed in an annular shape with equal distances, and the suction holes 19 penetrate the middle part 7 of the thermal insulation layer, the honeycomb holes 18 and the bottom 8 of the thermal insulation layer, and the bottom middle position of the chassis 5 is provided with a bottom groove 22, and the middle position of the top of the bottom groove 22 is aligned with the bottom of the storage cavity 9. A threaded hole 24 is provided between the middle positions, a threaded column 21 is screwed on the inner wall of the threaded hole 24, a bottom cover 11 inserted in the bottom groove 22 is fixed to the bottom of the threaded column 21, an annular sealing groove is provided on the top of the bottom cover 11, and a sealing ring 23 fitted in the annular sealing groove is fixed to the top inner wall of the bottom groove 22. The getter 12 cooperates with the suction hole 19 and the honeycomb hole 18 to absorb a certain amount of excess air inside the thermos flask, thereby increasing the vacuum degree inside the thermos flask, so that the thermos flask can be kept warm in a vacuum environment, and the getter 12 can be replaced by opening the bottom cover 11.

[0025] Specifically, the circumferential outer wall of the middle part 7 of the insulation layer and the circumferential outer wall of the bottom part 8 of the insulation layer are both provided with equally spaced limiting grooves 20, and the circumferential inner wall of the outer shell 1 is fixed with equally spaced limiting strips 13, which are inserted into the inside of the limiting grooves 20. The clamping action between the limiting strips 13 and the limiting grooves 20 ensures the stability of the middle part 7 of the insulation layer and the bottom part 8 of the insulation layer in the thermos bottle, and ensures that the air intake holes 19 are connected.

[0026] Specifically, an outer screw groove 17 is opened at the top of the outer wall of the outer screw groove 17, and the bottle cap 3 is screwed on the outer wall of the outer screw groove 17. A bottle plug 15 that fits on the top of the inner wall of the liner 6 is fixedly installed in the middle position of the inner wall of the bottle cap 3. The bottom surface of the bottle plug 15 is lower than the top surface of the top 14 of the insulation layer. The bottle cap 3 is screwed into the outer screw groove 17 so that the bottle plug 15 plugs the bottle mouth of the liner 6, thereby sealing the liner 6.

[0027] Specifically, a handle frame 2 is fixed to one side of the shell 1, and a handle frame 4 is rotatably provided on the outer wall of the shell 1 near the top, so that the entire thermos bottle is easy to carry.

[0028] The working principle of the utility model is as follows: the top 14 of the insulation layer and the middle 7 of the insulation layer are placed on the inner wall of the shell 1 in sequence, and the inner liner 6 is placed between the top 14 of the insulation layer and the middle 7 of the insulation layer, and then the bottom 8 of the insulation layer is placed, so that the limiting groove 20 is consistent with the limiting strip 13, and the bottom plate 5 is screwed into the inner screw groove 16 to keep the air intake hole 19 connected, and then the bottle cap 3 is screwed into the outer screw groove 17, so that the bottle stopper 15 plugs the bottle mouth of the inner liner 6, thereby utilizing the middle 7 of the insulation layer, the honeycomb hole 18, the bottom 8 of the insulation layer and the top 14 of the insulation layer. An insulation layer made of phase change heat storage material is arranged between the outer shell 1 and the inner liner 6 to store heat and keep warm. The heat lost by the inner liner 6 can be stored, and then fed back to the inner liner 6 to achieve efficient insulation. In addition, the bottom cover 11 is opened, and the getter 12 is placed into the storage cavity 9 through the threaded hole 24, and then screwed into the bottom cover 11. The getter 12 cooperates with the suction hole 19 and the honeycomb hole 18 to absorb a certain amount of excess air inside the thermos bottle, thereby increasing the vacuum degree inside the thermos bottle, and can perform insulation operations in a vacuum environment.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. A high heat preservation type thermos bottle, comprising a shell (1), characterized in that: An inner liner (6) is arranged inside the outer shell (1), and a middle part (7) of a thermal insulation layer is bonded between the outer wall of the inner liner (6) and the inner wall of the outer shell (1), and a plurality of rows of honeycomb holes (18) are arranged on the middle part (7) of the thermal insulation layer at equal distances. An inner screw groove (16) is arranged at the bottom of the inner wall of the outer shell (1), and a bottom plate (5) is screwed to the inner wall of the inner screw groove (16), and a bottom part (8) of the thermal insulation layer is placed on the top of the bottom plate (5), and the bottom part (8) of the thermal insulation layer is bonded between the bottom of the outer wall of the inner liner (6) and the bottom of the middle part (7) of the thermal insulation layer. A top part (14) of the thermal insulation layer is arranged on the top of the inner wall of the outer shell (1), and the top part (14), the middle part (7) of the thermal insulation layer and the bottom part (8) of the thermal insulation layer are all designed to be phase change heat storage materials.

2. A high heat preservation type thermos bottle according to claim 1, characterized in that: The circumferential outer wall of the middle part (7) of the thermal insulation layer and the circumferential outer wall of the bottom part (8) of the thermal insulation layer are both provided with equally spaced limiting grooves (20), and the circumferential inner wall of the outer shell (1) is fixed with equally spaced limiting strips (13), which are inserted into the limiting grooves (20).

3. A high heat preservation type thermos bottle according to claim 2, characterized in that: A support tube (10) is fixed at the middle position of the top of the chassis (5), and the support tube (10) is attached to the bottom of the inner liner (6). A through hole for the support tube (10) to pass through is opened at the middle position of the bottom (8) of the thermal insulation layer.

4. A high heat preservation type thermos bottle according to claim 3, characterized in that: A material storage cavity (9) is provided in the middle of the interior of the chassis (5), and a ventilation hole identical to that of the support tube (10) is provided in the middle of the top of the material storage cavity (9), a getter (12) is placed inside the material storage cavity (9), and air intake holes (19) are provided between the top of the top of the thermal insulation layer (14) and the circumferential inner wall of the support tube (10) and are distributed in an annular shape at equal distances, and the air intake holes (19) penetrate the middle of the thermal insulation layer (7), the honeycomb holes (18) and the bottom of the thermal insulation layer (8).

5. A high heat preservation type thermos bottle according to claim 4, characterized in that: A bottom groove (22) is provided at the middle position of the bottom of the chassis (5), and a threaded hole (24) is provided between the middle position of the top of the bottom groove (22) and the middle position of the bottom of the material storage chamber (9), a threaded column (21) is screwed to the inner wall of the threaded hole (24), a bottom cover (11) inserted in the bottom groove (22) is fixed to the bottom of the threaded column (21), an annular sealing groove is provided at the top of the bottom cover (11), and a sealing ring (23) fitted in the annular sealing groove is fixed to the inner wall of the top of the bottom groove (22).

6. A high heat preservation type thermos bottle according to claim 1, characterized in that: An external screw groove (17) is formed at the top of the outer wall of the outer shell (1), and a bottle cap (3) is screwed to the outer wall of the external screw groove (17), and a bottle plug (15) is fixedly mounted at the middle position of the inner wall of the bottle cap (3) and is attached to the top of the inner wall of the inner liner (6), and the bottom surface of the bottle plug (15) is lower than the top surface of the top of the insulation layer (14).

7. A high heat preservation type thermos bottle according to claim 1, characterized in that: A handle frame (2) is fixed on one side of the shell (1), and a handle frame (4) is rotatably provided on the outer wall of the shell (1) near the top.

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