Heat preservation box body

Abstract

The utility model provides a heat preservation box which comprises a box body, one side of the box body is provided with a box cover hinged to the box body, the other side of the box body and the box cover are locked through a lock catch device, and a sealing ring is arranged between the box body and the box cover. The lock catch device comprises an upper fastener, a lower fastener and a lower fastener, and the upper fastener is arranged on one side, close to the box body, of the box cover; one end of the positioning piece is hinged to the upper fastener, and the other end of the positioning piece is adjusted to be locked to the box body, so that the box cover and the box body enter a locked state; wherein the upper buckling piece and the positioning piece are made of materials with the same hardness, and when the box cover and the box body are in a locked state, the sealing ring provides pre-tightening force for the positioning piece and the box body to abut against each other. The utility model solves the technical problems that as the lock catch device provides pretightening force through the upper fastener, the material of the upper fastener relative to the positioning piece is softer, the upper fastener is easy to damage after being buckled for multiple times, and the damaged part is not easy to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of daily necessities, and in particular to a heat-insulating box. Background Art

[0002] When biological vaccines, blood products, diagnostic reagents, vegetables and fruits or other low-temperature storage items are used, they need to be transported from the cold storage where they are stored to the required destination. During the transportation process, these substances are very likely to change in nature due to changes in temperature and radiation, causing them to lose their effectiveness. Therefore, in order to maintain their freshness, insulated boxes are needed to store these substances during transportation.

[0003] In the prior art, the thermal insulation box body is composed of a box cover and a box body, and the locking of the thermal insulation box body is mostly achieved through a locking device between the box body and the box cover; further, the locking device includes an upper fastener and a positioning member, the positioning member cooperates with the box body to lock, the two ends of the upper fastener are respectively connected to the box cover and the positioning member, and the material of the upper fastener is a softer elastic material than the positioning member, which provides a pre-tightening force for the box cover and the box body to lock the two together.

[0004] However, there is at least one of the following problems in the related art: since the locking device provides pre-tightening force through the upper fastener, the material of the upper fastener is relatively soft relative to the positioning member. After multiple fastenings, the upper fastener is easily damaged, and it is not easy to replace the damaged part. Utility Model Content

[0005] The technical problem solved by the present invention is that since the locking device provides pre-tightening force through the upper fastener, the material of the upper fastener is relatively soft relative to the positioning member. After multiple fastenings, the upper fastener is easily damaged and it is not easy to replace the damaged part.

[0006] In order to solve the above problems, the utility model provides a heat-insulating box body, which includes: a box body, a box lid hinged to the box body on one side of the box body, and the other side of the box body is locked to the box lid by a locking device, and a sealing ring is provided between the box body and the box lid; wherein, the locking device includes: an upper fastener, the upper fastener is provided on the side of the box lid close to the box body; a positioning member, one end of the positioning member is hinged to the upper fastener, and the other end of the positioning member is adjusted to be locked to the box body, so that the box lid and the box body enter a locked state; wherein, the upper fastener and the positioning member are made of materials with the same hardness, and when the box lid and the box body enter the locked state, the sealing ring provides a pre-tightening force for the positioning member and the box body to press against each other.

[0007] Compared with the existing technology, the technical effect achieved by adopting this technical solution is: by arranging a sealing ring between the box body and the box cover, and the upper fastener and the positioning piece are made of materials with the same hardness, when the box body and the box cover enter the locked state, the pre-tightening force is provided by the sealing ring between the box body and the box cover, rather than by the upper fastener, which can effectively extend the service life of the insulation box, and the upper fastener and positioning piece made of the same hardness material are easier to replace, and the sealing ring can also be replaced at any time, which effectively improves the convenience of replacing parts when they are damaged.

[0008] In one embodiment of the present invention, a retaining member is provided on the side of the box body close to the box lid, and a limiting groove cooperating with the positioning member is provided on the side of the retaining member away from the box lid; wherein, after the box body and the box lid enter the locked state, the positioning member falls into the limiting groove, so that the positioning member rests against the side of the retaining member away from the box lid.

[0009] Compared with the existing technology, the technical effect achieved by adopting this technical solution is: by arranging a retaining member on the box body and arranging a positioning groove on the retaining member to cooperate with the positioning member, the positioning member can be effectively locked on the retaining member.

[0010] In one embodiment of the present invention, an anti-slip block is provided on the side of the positioning member close to the box cover, and an anti-slip groove cooperating with the anti-slip block is provided on the side of the retaining member away from the box cover; wherein, after the box cover and the box body enter a locked state, the anti-slip block is inserted into the anti-slip groove so that the positioning member is restricted by the limit groove.

[0011] Compared with the existing technology, the technical effect achieved by adopting this technical solution is: through the design of the anti-slip block and the anti-slip groove, after the locking device enters the locked state, the positioning part can be more firmly against the retaining part and is not easy to fall off or loosen.

[0012] In one embodiment of the present invention, a pull portion is provided on a side of the positioning member away from the box cover; wherein, when the box cover and the box body are locked, a gap that can accommodate a finger is provided between the pull portion and the box body.

[0013] Compared with the existing technology, the technical effect achieved by adopting this technical solution is: by setting the lever part, after the box body and the box lid enter the locked state, you only need to insert your fingers into the gap between the lever part and the box body to pinch the lever part, and then disengage the positioning part from the limit groove, so that the user saves effort when opening the thermal insulation box and improves the user experience.

[0014] In one embodiment of the present invention, a first locking tongue and a second locking tongue are provided on one side of the retaining member close to the box cover; when the box cover and the box body enter a locked state, the first locking tongue and the second locking tongue are located on both sides of the upper fastener.

[0015] Compared with the existing technology, the technical effect achieved by adopting this technical solution is: by arranging the first lock tongue and the second lock tongue on the retaining member, when the box body and the box cover enter the locked state, the first lock tongue and the second lock tongue are located on both sides of the upper fastener, which can fix the upper fastener on both sides and lock the positioning member on the retaining member more stably.

[0016] In one embodiment of the present invention, a first mounting groove is provided on the side of the box body away from the hinged position of the box body and the box lid, and the retaining member is detachably installed in the first mounting groove; wherein, when the box lid and the box body enter a locked state, the locking device and the retaining member are lower than the surface of the box body.

[0017] Compared with the existing technology, the technical effect achieved by adopting this technical solution is: by installing the retaining member into the first mounting groove, the retaining member can be replaced when the retaining member is damaged, and the retaining member can be protected by the first mounting groove to reduce the damage rate of the retaining member; after the box body and the box cover enter the locked state, the first mounting groove can also be used to protect the locking device, reduce the damage rate of the locking device, and protect external objects from being scratched by the locking device.

[0018] In an embodiment of the present invention, a screw hole is provided on one side of the retaining member close to the box body, and the retaining member is installed in the first installation groove through the screw hole.

[0019] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: by using screws to install the retaining member to the first mounting groove, the fixing effect is stable, and the retaining member is not easily damaged during removal.

[0020] In one embodiment of the present invention, a plurality of handles are provided on one end of the side of the box body close to the box lid, and the handles are evenly distributed around the box body; and / or a plurality of hanging holes are provided on one end of the side of the box body close to the box lid, and the hanging holes are evenly distributed around the box body.

[0021] Compared with the existing technology, the technical effect achieved by adopting this technical solution is: by arranging handles and hanging holes around the insulation box, multiple people can use the insulation box at the same time, and it is more labor-saving when moving the insulation box; and by arranging hanging holes, other components can be loaded on the insulation box, increasing the functionality of the insulation box.

[0022] In one embodiment of the present invention, the heat-insulating box body further comprises a drain valve, and a drain hole cooperating with the drain valve is provided at one end of the box body side away from the box cover; wherein the diameter of the drain hole is larger than the drain valve.

[0023] Compared with the existing technology, the technical effect achieved by adopting this technical solution is: by arranging a drain valve and a drain hole at the bottom of the insulation box, the liquid in the insulation box can be removed without dumping the insulation box.

[0024] In one embodiment of the present invention, a first locking piece is provided on the side of the box body close to the box lid, and a second locking piece is provided on the side of the box lid close to the box body to cooperate with the first locking piece; the box lid and the box body entering the locked state also include: locking the first locking piece and the second locking piece by a fastener.

[0025] Compared with the existing technology, the technical effect achieved by adopting this technical solution is: by setting a first locking part and a second locking part that match each other, the thermal insulation box body can be locked for the second time after the box body and the box lid enter the locked state. When the thermal insulation box body accidentally falls off, it can still be ensured that the thermal insulation box body is not opened, thereby increasing the fault tolerance of the thermal insulation box body.

[0026] After adopting the technical solution of the utility model, the following technical effects can be achieved:

[0027] (1) When the box body and the box cover enter the locked state, the pre-tightening force is provided by the sealing ring between the box body and the box cover, rather than by the upper fastener, which can effectively extend the service life of the insulation box. In addition, the upper fasteners and positioning parts made of the same hardness material are easier to replace, and the sealing ring can also be replaced at any time, which effectively improves the convenience of replacing parts when they are damaged;

[0028] (2) Through the design of the anti-drop block and the anti-drop groove, after the locking device enters the locked state, the positioning member can be more firmly pressed against the retaining member and is not easy to fall off or loosen;

[0029] (3) By arranging the first locking tongue and the second locking tongue on the retaining member, when the box body and the box cover enter the locked state, the first locking tongue and the second locking tongue are located on both sides of the upper fastener, which can fix the upper fastener on both sides and lock the positioning member on the retaining member more stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings used in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive efforts.

[0031] Figure 1 A schematic diagram of the structure of a heat preservation box provided in an embodiment of the utility model Figure 1 ;

[0032] Figure 2 A schematic diagram of the structure of a heat preservation box provided in an embodiment of the utility model Figure 2 ;

[0033] Figure 3 for Figure 1 Enlarged view of area I;

[0034] Figure 4 for Figure 2 Sectional view in the AA direction;

[0035] Figure 5 for Figure 4 Enlarged view of the middle II area;

[0036] Figure 6 for Figure 3 Exploded diagram of the central structure.

[0037] Description of reference numerals:

[0038] 10. Box body; 11. First locking piece; 12. Handle; 13. Hanging hole; 14. Drain valve; 20. Box cover; 21. Sealing groove; 22. Second locking piece; 23. First pin shaft; 24. Second pin shaft; 30. Connecting pin shaft; 40. Sealing ring; 100. Retaining piece; 110. Fixed lock tongue; 111. First lock tongue; 112. Second lock tongue; 120. Limiting bottom plate; 130. Limiting groove; 140. Anti-slip groove; 150. Positioning groove; 160. Screw hole; 200. Locking device; 210. Upper fastener; 211. Positioning arm; 212. First pin hole; 213. Second pin hole; 220. Positioning piece; 221. Anti-slip block; 222. Pulling part; 223. Third pin hole. DETAILED DESCRIPTION

[0039] In order to make the above-mentioned objects, features and advantages of the present invention more clearly understood, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0040] See also Figures 1 to 6 The utility model provides a heat preservation box, which includes a box body 10, a box cover 20 hinged to the box body 10 on one side of the box body 10, and the other side of the box body 10 is locked with the box cover 20 by using a locking device 200, and a sealing ring 40 is provided between the box body 10 and the box cover 20; wherein the locking device 200 includes an upper fastener 210 and a positioning member 220, the upper fastener 210 is provided on the side of the box cover 20 close to the box body 10, the first pin hole 212 of the upper fastener 210 cooperates with the first pin shaft 23, so that the upper fastener 210 can be detachably connected Connected to the box cover 20; a third pin hole 223 is provided on the positioning member 220, and the second pin hole 213, the third pin hole 223 and the second pin shaft 24 cooperate to hinge one end of the positioning member 220 with the upper fastener 210, and adjust the other end of the positioning member 220 to lock it to the box body 10, so that the box cover 20 and the box body 10 enter a locked state; wherein, the upper fastener 210 and the positioning member 220 are made of materials with the same hardness. When the box cover 20 and the box body 10 enter the locked state, the sealing ring 40 provides a pre-tightening force for the positioning member 220 and the box body 10 to abut against each other.

[0041] Preferably, the side of the box cover 20 and the box body 10 in contact is provided with a sealing groove 21, the sealing ring 40 is arranged in the sealing groove 21, and the sealing ring 40 is thinner on the side where the box body 10 and the box cover 20 are hinged to each other and thicker on the side where the positioning member 220 and the box body 10 are locked, so that the sealing ring 40 is relatively weak when the box body 10 and the box cover 20 are in the locked state.

[0042] Preferably, the heat preservation box body in the embodiment has at least two retaining members 100 and a locking device 200 to ensure the stability when the box body 10 is locked; the retaining member 100 and the locking device 200 are detachably arranged on the box body 10 and the box cover 20, so that the components involved in the entire locking step are modularized, any component can be replaced and maintained individually, and the mold is easier to manufacture when manufactured.

[0043] Further, the box body 10 is provided with a retaining member 100 on the side close to the box cover 20, the retaining member 100 is provided with a limiting groove 130 cooperating with the positioning member 220 on the side away from the box cover 20, so that the positioning member 220 can be limited in the limiting groove 130; wherein, after the box body 10 and the box cover 20 are in the locked state, the positioning member 220 is positioned in the limiting groove 130, so that the positioning member 220 abuts against the side of the retaining member 100 away from the box cover 20.

[0044] Preferably, the upper buckle 210 is further provided with a positioning arm 211, and the retaining member 100 is provided with a positioning groove 150 cooperating with the upper buckle 210 on the side close to the box cover 20; when in the locked state, the positioning arm 211 is first positioned in the positioning groove 150 to complete the first step cooperation. When the locking device 200 is in the locked state, the positioning member 220 is positioned in the limiting groove 130, and the positioning member 220 is subjected to the reaction force of the fixed locking tongue 110 on the retaining member 100, so that the positioning member 220 abuts against the side of the retaining member 100 away from the box cover 20; wherein, the upper buckle 210 is rotated around the first pin shaft 23, so that the positioning arm 211 of the upper buckle 210 is first positioned in the positioning groove 150, and then the positioning member 220 is rotated to be positioned in the limiting groove 130, so that the locking device enters the locked state.

[0045] Further, the positioning member 220 is provided with an anti-falling block 221 on the side close to the box cover 20, and the retaining member 100 is provided with an anti-falling groove 140 cooperating with the anti-falling block 221 on the side away from the box cover 20, and the anti-falling groove 140 is dug in the fixed lock tongue 110; wherein, after the upper buckle 210 is positioned to the positioning groove 150, the upper buckle 210 is rotated, the anti-falling block 221 is inserted into the anti-falling groove 140, and then the positioning member 220 is positioned to the limiting groove 130, at this time, the anti-falling block 221 is subjected to the reaction force of the fixed lock tongue 110 and cannot easily fall out. Preferably, the anti-falling block 221 is provided with a chamfer, when the positioning member 220 is rotated, the anti-falling block 221 will be subjected to the resistance of the limiting bottom plate 120 at the bottom of the retaining member 100, and the chamfer is arranged at the bottom of the anti-falling block 221, so that the anti-falling block 221 can be smoothly inserted into the anti-falling groove 140.

[0046] Further, the positioning member 220 is provided with a pulling part 222 on the side away from the box cover 20, the pulling part 222 protrudes away from the box body 10, and is provided in a shape convenient for a hand to hold; wherein, after the box cover 20 and the box body 10 enter the locked state, the pulling part 222 has a gap capable of accommodating fingers between the box body 10, the fingers of a person are inserted from the gap, and are pulled away from the box body 10, so that the anti-falling block 221 is separated from the anti-falling groove 140, and then the positioning member 220 is separated from the limiting groove 130, and the positioning arm 211 is lifted, so that the thermal insulation box is unlocked, and the box cover 20 and the box body 10 are separated.

[0047] Preferably, the retaining member 100 is provided with a first lock tongue 111 and a second lock tongue 112 on the side close to the box cover 20; when the box cover 20 and the box body 10 enter the locked state, the first lock tongue 111 and the second lock tongue 112 are located on both sides of the upper buckle 210, the first lock tongue 111 and the second lock tongue 112 are located on both sides of the upper buckle 210, and the upper buckle 210 can be fixed on both sides, so that the positioning member 220 is more stably locked on the retaining member 100.

[0048] Further, the box body 10 is provided with a first installation groove on the side away from the hinge position of the box body 10 and the box cover 20, and the limiting bottom plate 120 of the retaining member 100 is seated in the first installation groove, so that the retaining member 100 is detachably installed into the first installation groove; wherein, after the box cover 20 and the box body 10 enter the locked state, the lock catch device 200 and the retaining member 100 are lower than the surface of the box body 10; the lock catch device 200 is protected, the damage rate of the lock catch device 200 is reduced, and external articles are prevented from being scratched by the lock catch device 200.

[0049] Specifically, the retaining member 100 is provided with a threaded hole 160 on the side close to the box body 10, the first installation groove is provided with a first screw seat passing through the threaded hole 160, and then a screw is cooperated with the screw seat, so that the retaining member 100 is installed into the first installation groove.

[0050] Preferably, the side of the box body 10 near one end of the box cover 20 is provided with a plurality of handles 12 and / or a plurality of hanging holes 13, the handles 12 are evenly distributed around the box body 10, and the hanging holes 13 are evenly distributed around the box body 10. By setting the handles 12 and the hanging holes 13 around the heat preservation box, the heat preservation box can be used by multiple people at the same time, and it is more labor-saving to move the heat preservation box; and by setting the hanging holes 13, other components can be loaded on the heat preservation box, and the functionality of the heat preservation box is increased.

[0051] Preferably, the heat preservation box further comprises a drain valve 14, and the side of the box body 10 away from the box cover 20 is provided with a drain hole matched with the drain valve 14; wherein the diameter of the drain hole is greater than that of the drain valve 14. By setting the drain valve 14 and the drain hole at the bottom of the heat preservation box, the liquid in the heat preservation box can be removed without tilting the heat preservation box.

[0052] Preferably, the side of the box body 10 near the box cover 20 is provided with a first locking member 11, and the side of the box cover 20 near the box body 10 is provided with a second locking member 22 matched with the first locking member 11; the box cover 20 and the box body 10 entering the locked state further comprise: locking the first locking member 11 and the second locking member 22 by a fastener.

[0053] For example, the first locking member 11 comprises a plurality of first locking holes, and the second locking member 22 comprises a plurality of second locking holes corresponding to the first locking holes. The fastener is, for example, a screw, and thus the box cover 20 and the box body 10 entering the locked state further comprise: locking the first locking holes and the second locking holes by the screw. By setting a plurality of first locking holes and second locking holes matched with each other, after the box cover 20 and the box body 10 enter the locked state, the heat preservation box can be locked again, and when the heat preservation box is accidentally dropped, it can still ensure that the heat preservation box is not opened, and the fault tolerance of the heat preservation box is increased.

[0054] Although the utility model discloses as above, the utility model is not limited to this. Any person skilled in the art, without departing from the spirit and scope of the utility model, can make various changes and modifications, therefore the protection scope of the utility model should be the range limited by the claims.

Claims

1. A heat preservation box, characterized in that: The thermal insulation box comprises: A box body (10), one side of the box body (10) is provided with a box cover (20) hinged to the box body (10), the other side of the box body (10) is locked with the box cover (20) by means of a locking device (200), and a sealing ring (40) is provided between the box body (10) and the box cover (20); Wherein, the locking device (200) comprises: an upper fastener (210), the upper fastener (210) being provided on a side of the box cover (20) close to the box body (10); A positioning member (220), one end of which is hinged to the upper fastener (210), and the other end of which is adjusted to be locked to the box body (10), so that the box cover (20) and the box body (10) enter a locked state; The upper fastener (210) and the positioning member (220) are made of a material with the same hardness. When the box cover (20) and the box body (10) enter a locked state, the sealing ring (40) provides a pre-tightening force for the positioning member (220) and the box body (10) to abut against each other.

2. The heat preservation box according to claim 1, characterized in that: A retaining member (100) is provided on a side of the box body (10) close to the box cover (20), and a limiting groove (130) cooperating with the positioning member (220) is provided on a side of the retaining member (100) away from the box cover (20); After the box cover (20) and the box body (10) enter a locked state, the positioning member (220) falls into the limiting groove (130), so that the positioning member (220) abuts against the side of the retaining member (100) away from the box cover (20).

3. The heat preservation box according to claim 2, characterized in that: An anti-slip block (221) is provided on the side of the positioning member (220) close to the box cover (20), and an anti-slip groove (140) cooperating with the anti-slip block (221) is provided on the side of the retaining member (100) away from the box cover (20); After the box cover (20) and the box body (10) enter a locked state, the anti-slip block (221) is inserted into the anti-slip groove (140) so that the positioning member (220) is restricted by the limiting groove (130).

4. The heat preservation box according to claim 2, characterized in that: A pull portion (222) is provided on the side of the positioning member (220) away from the box cover (20); When the box cover (20) and the box body (10) enter a locked state, a gap is provided between the pull portion (222) and the box body (10) that can accommodate a finger.

5. The heat preservation box according to claim 2, characterized in that: A first locking tongue (111) and a second locking tongue (112) are provided on one side of the retaining member (100) close to the box cover (20); When the box cover (20) and the box body (10) enter the locked state, the first locking tongue (111) and the second locking tongue (112) are located on both sides of the upper fastener (210).

6. The heat preservation box according to claim 2, characterized in that: A first mounting groove is provided on the box body (10) at a side away from a hinged position between the box body (10) and the box cover (20), and the retaining member (100) is detachably mounted in the first mounting groove; When the box cover (20) and the box body (10) enter a locked state, the locking device (200) and the retaining member (100) are lower than the surface of the box body (10).

7. The heat preservation box according to claim 6, characterized in that: A screw hole (160) is provided on one side of the retaining member (100) close to the box body (10), and the retaining member (100) is installed in the first installation groove through the screw hole (160).

8. The heat preservation box according to claim 1, characterized in that: A plurality of handles (12) are provided on one end of the box body (10) close to the box cover (20), and the handles (12) are evenly distributed around the box body (10); and / or A plurality of hanging holes (13) are provided on one end of the box body (10) close to the box cover (20), and the hanging holes (13) are evenly distributed around the box body (10).

9. The heat-insulating box according to claim 1, characterized in that: The heat preservation box body further comprises a drain valve (14), and an end of the box body (10) away from the box cover (20) is provided with a drain hole matched with the drain valve (14); Wherein, the diameter of the drainage hole is larger than that of the drainage valve (14).

10. The heat preservation box according to claim 1, characterized in that: A first locking member (11) is provided on one side of the box body (10) close to the box cover (20), and a second locking member (22) cooperating with the first locking member (11) is provided on one side of the box cover (20) close to the box body (10); The box cover (20) and the box body (10) entering into a locked state further include: The first locking member (11) and the second locking member (22) are locked by a fastener.

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