阅读说明：本技术 一种便于打包使用的一次性保温纸碗 (Disposable heat preservation paper bowl convenient to packing is used ) 是由 韩文悦 于 2020-06-10 设计创作，主要内容包括：本发明属于生活用品技术领域,具体的说是一种便于打包使用的一次性保温纸碗,包括碗体和伸缩保温体；碗体具有锥度；伸缩保温体包括上伸缩体、下伸缩体、封闭体和膨胀体；本发明中的碗体向下挤压膨胀体,进而使得膨胀体沿下伸缩体的内壁向上伸长,膨胀体在向上膨胀的过程中实现将上伸缩体向上顶起,进而通过上伸缩体实现对碗体进行支撑,进而对因为盛放高温的食物导致软化的碗体进行辅助支撑,进而防止因为碗体的变形导致食物的洒落,进而提高食物盛放的安全性；通过膨胀伸长的膨胀体包裹在碗体外部,进而实现对碗体内的食物进行保温,进而使得打包后的食物在长时间的配送过程中也能够保证热量不会散失,进而提高了食物配送的质量。(The invention belongs to the technical field of articles for daily use, and particularly relates to a disposable heat-preservation paper bowl convenient for packaging and using, which comprises a bowl body and a telescopic heat-preservation body; the bowl body has a taper; the telescopic heat insulation body comprises an upper telescopic body, a lower telescopic body, a closing body and an expansion body; the bowl body downwards extrudes the expansion body, so that the expansion body upwards extends along the inner wall of the lower expansion body, the expansion body upwards jacks the upper expansion body in the upwards expansion process, the bowl body is supported through the upper expansion body, the softened bowl body caused by containing high-temperature food is supported in an auxiliary mode, the food is prevented from being scattered due to deformation of the bowl body, and the food containing safety is improved; the expansion body through expansion extension wraps up in the external portion of bowl, and then realizes keeping warm the internal food of bowl, and then makes the food after the packing also can guarantee at long-time delivery in-process that the heat can not scatter and disappear, and then has improved the quality of food delivery.)

1. The utility model provides a disposable heat preservation paper bowl convenient to packing use which characterized in that: comprises a bowl body (1) and a telescopic heat insulation body (2); the bowl body (1) has a taper; the telescopic heat preservation body (2) comprises an upper telescopic body (21), a lower telescopic body (22), a closing body (23) and an expansion body (24); the inner side of the upper end of the upper telescopic body (21) is abutted against the conical surface of the bowl body (1); the lower end of the upper telescopic body (21) is connected with the upper end of the lower telescopic body (22) in a sliding way; the lower end of the lower telescopic body (22) is sealed by the closing body (23); the upper end of the closing body (23) is provided with the expansion body (24); the expansion body (24) is of a closed hollow structure; the interior of the expansion body (24) is filled with gas.

2. The disposable heat preservation paper bowl convenient for packaging and using as claimed in claim 1, characterized in that: the expansion body (24) is made of elastic materials.

3. The disposable heat preservation paper bowl convenient for packaging and using as claimed in claim 2, characterized in that: and a reflective layer is sprayed on the outer surface of the expansion body (24) in the expansion state.

4. The disposable heat preservation paper bowl convenient for packaging and using as claimed in claim 3, characterized in that: the closing body (23) is of a split structure; the closing body (23) comprises an outer clamping ring (231) and a supporting clamping plate (232); the outer ring of the outer clamping ring (231) is fixedly connected to the inner wall of the lower end of the lower telescopic body (22); the inner ring of the outer clamping ring (231) is fixedly connected with the outer edge of the supporting clamping plate (232); and a limiting boss (233) is arranged on the upper surface of the supporting clamping plate (232).

5. The disposable heat preservation paper bowl convenient for packaging and using as claimed in claim 4, characterized in that: the edge of the supporting and clamping plate (232) is intermittently provided with cutting seams (234) along the circumferential direction; the edges of the supporting and clamping plate (232) are bent downwards at intervals.

6. The disposable heat preservation paper bowl convenient for packaging and using as claimed in claim 5, characterized in that: the inner side edge of the upper end of the upper telescopic body (21) is provided with notches (211) intermittently along the circumferential direction.

Technical Field

The invention belongs to the technical field of articles for daily use, and particularly relates to a disposable heat-preservation paper bowl convenient to pack and use.

Background

The paper bowl is a paper container made by mechanically processing and bonding base paper (white paperboard) made of chemical wood pulp, and the appearance of the paper bowl is bowl-shaped. The paper bowl for frozen food is waxed and can be used for containing ice cream, jam, butter, etc. The paper cup for hot drink is coated with plastic, can resist the temperature of over 90 ℃ and even can contain boiled water. The paper bowl is characterized by safety, sanitation, lightness and convenience. The disposable sanitary towel can be used in public places, restaurants and dining rooms and is a disposable article. Since the advent of paper bowls, paper bowls became the most vital green tableware of the 21 st century, and disposable paper bowls were adopted in the world's well-known snack chains such as mcdonald's, kendir's, coca-cola, and pepsi-cola, as well as in all kinds of instant products.

However, when the existing paper bowl packs the heated food, the heated food causes the paper bowl to be softened, so that the use effect of the paper bowl is influenced, and meanwhile, the paper bowl is deformed after being softened, so that the sealing is not tight when the soup food is packed, so that the food is spilled and leaked, and even the dining mood of a user is influenced; in addition, in the process of long-time takeaway delivery, because the existing paper bowl has no heat preservation effect, the heated food is cooled after being delivered for a long time, the mood of the user for eating the food is influenced, and the physical health of the user is not facilitated.

Disclosure of Invention

In order to make up the defects of the prior art, the invention provides a disposable heat preservation paper bowl convenient to pack and use. The invention is mainly used for solving the problem that when the existing paper bowl packs the heated food, the heated food causes the paper bowl to be softened, and further causes the food to be spilled and leaked; in addition, in the process of long-time takeaway delivery, because the existing paper bowl has no heat preservation effect, the heated food is cooled after being delivered for a long time, the mood of the user for eating the food is influenced, and the physical health of the user is not facilitated.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention provides a disposable heat preservation paper bowl convenient for packaging and using, which comprises a bowl body and a telescopic heat preservation body; the bowl body has a taper; the telescopic heat insulation body comprises an upper telescopic body, a lower telescopic body, a closed body and an expansion body; the inner side of the upper end of the upper telescopic body is abutted against the conical surface of the bowl body; the lower end of the upper telescopic body is connected with the upper end of the lower telescopic body in a sliding way; the lower end of the lower telescopic body is sealed by the closing body; the upper end of the closing body is provided with the expansion body; the expansion body is of a closed hollow structure; the interior of the expansion body is filled with gas.

When the bowl body supporting device works, a user places the bowl body containing food above the expansion body, the expansion body is extruded by the bowl body under the action of gravity of the food, the expansion body is extruded and expanded, the lower expansion body limits the radial direction of the expansion body, the expansion body extends upwards along the inner wall of the lower expansion body, the expansion body jacks the upper expansion body upwards in the upwards expansion process, the upper expansion body and the lower expansion body are relatively unfolded, when the bottom of the bowl body containing the food is close to the bottom of the closure body, the upper end of the upper expansion body is gradually contacted with the outer wall of the bowl body, the bowl body is supported by the upper expansion body, the softened bowl body containing the high-temperature food is supported in an auxiliary mode, the food is prevented from spilling due to deformation of the bowl body, and the food containing safety is improved; the expansion body which is expanded and extended wraps the outside of the bowl body, so that heat preservation of food in the bowl body is realized, the packed food can be guaranteed not to lose heat in a long-time distribution process, and the quality of food distribution is improved; simultaneously, the bowl body is supported through the inflation body after inflating, and then the jolt that the in-process that realizes delivering produced cushions, and then has reduced the degree that the food in the bowl body is rocked, and then has reduced the unrestrained probability of food in the bowl body, has further improved the security that food held.

When a user has a meal, the telescopic heat preservation body can also play a good heat insulation effect, so that the user is prevented from being scalded by food in the bowl body when the user holds the paper bowl by hands, and the use of the user is facilitated.

Preferably, the expansion body is made of elastic materials.

The expansion body is made of elastic materials, and after the upper end of the upper telescopic body is contacted with the outer wall of the bowl body, a space is reserved between the lower end of the bowl body and the closing body, so that jolt generated in the distribution process can be buffered by expansion and contraction deformation of the expansion body and gas compression inside the expansion body, the degree of jolt of food in the bowl body is reduced, the probability of food falling in the bowl body is reduced, and the safety of food holding is further improved; and at the in-process of taking out the bowl body from flexible heat preservation body, the bowl body reduces the compression degree to the inflation body gradually, because the inflation body makes for elastic material, and then the bowl body constantly contracts at the in-process inflation body that upwards takes out, and then has reduced the inflation body and to bowl body constraint all around, and then the bowl body of being convenient for takes out from flexible heat preservation body, and then user's of being convenient for use has improved user's use and has experienced.

Preferably, a reflective layer is sprayed on the outer surface of the expansion body in the expanded state.

Because the inflation body just keeps warm to the internal food of bowl after the inflation, and then the reflector layer at inflation body surface spraying also needs to go on under the inflation state of the inflation body, and then guarantee that the inflation body also can guarantee at the inflation state that the surface is whole to be covered by the reflector layer, and then block the heat way of food propagation through the mode of heat radiation through the reflector layer, and then realize keeping warm to the internal food of bowl through the reflector layer that inflation body surface set up, further improve the heat preservation effect of paper bowl.

Preferably, the closing body is a split structure; the closing body comprises an outer clamping ring and a supporting clamping plate; the outer ring of the outer clamping ring is fixedly connected to the inner wall of the lower end of the lower telescopic body; the inner ring of the outer clamping ring is fixedly connected with the outer edge of the supporting clamping plate; and a limiting boss is arranged on the upper surface of the supporting clamping plate.

The closing body is of a split structure, so that the manufacturing cost of a single part is reduced, the structural strength of the closing body is improved in a superposition mode by the inner ring of the outer clamping ring and the outer edge of the supporting clamping plate, the bowl body and the hand are not too close to each other due to deformation of the closing body when a user holds the paper bowl with the hand to eat, the food in the bowl body is prevented from scalding the hand of the user, and the safety and the comfort of the user in using the bowl body are improved; the upper surface of the supporting clamping plate is provided with the limiting boss, so that on one hand, the lower end of the bowl body can be limited through the limiting boss, the stability of the bowl body placed in the telescopic heat insulation body is improved, and the safety of food in the distribution process is improved; on the other hand, the bottom of the expansion body after expansion is supported by the limit boss, and only the middle part of the expansion body is supported, so that the periphery of the expansion body is supported by the supporting force provided by the limit boss, under the pressure action of gas in the expansion body, and further the bottom of the expansion body is enabled to overcome a certain pressure to enable the expansion body to be bent and further to be attached to the upper surface of the outer clamping ring, therefore, the expansion body has a softer supporting effect on the upper expansion body, the buffering effect on the bowl body is further improved, the degree of shaking food in the bowl body is further reduced, the probability of food falling in the bowl body is further reduced, and the safety of food containing is further improved.

Preferably, the edge of the supporting and clamping plate is intermittently provided with cutting seams along the circumferential direction; the edges of the supporting and clamping plate are bent downwards at intervals.

Cut the seam through the setting and will support the border of chucking board separately, and then will support the border interval downwarping of chucking board, and then when the user will stretch out and draw back the heat preservation body and install in bowl body upper end, the support chucking board after the bending inserts the bowl body along the inner wall of the bowl body, and then the border of cooperation outer clamping ring lower extreme realizes sealing the bowl body, and the mode through inside and outside support has not only realized sealing the bowl body, the last border of the bowl body can not take place to warp at the in-process of delivery still guaranteed, and then the sealed effect of the bowl body has been improved.

Preferably, the inner side edge of the upper end of the upper telescopic body is provided with notches intermittently along the circumferential direction.

The notches are intermittently arranged along the circumferential direction at the inner side edge of the upper end of the upper telescopic body, so that when the bowl body is placed in the telescopic heat insulation body, the upper end edge of the upper telescopic body is bent in the process of pressing down the bowl body, and finally the inner side edge of the upper end of the upper telescopic body is surrounded on the outer side of the conical surface of the bowl body, so that the bowl body is further supported, the bowl body can be well guaranteed to be in a shape without deformation after containing food, the food in the bowl body is prevented from being spilled and leaked, and the safety of the food in the distribution process is improved; meanwhile, the inner side edge of the upper end of the bent upper telescopic body has certain elasticity, so that the bowl body is ensured to be connected with the upper telescopic body to have a certain buffering effect, the jolting impact force of food in the bowl body in the distribution process is reduced, and the safety of the food in the distribution process is improved.

The invention has the following beneficial effects:

1. according to the bowl, a user places a bowl body containing food above an expansion body, the expansion body is extruded by the bowl body under the action of gravity of the food, the expansion body is extruded and expanded, the lower expansion body limits the radial direction of the expansion body, so that the expansion body extends upwards along the inner wall of the lower expansion body, the expansion body jacks up the upper expansion body in the upwards expansion process, the upper expansion body and the lower expansion body are relatively unfolded, when the bottom of the bowl body containing the food is close to the expansion body, the upper end of the upper expansion body is gradually contacted with the outer wall of the bowl body, the bowl body is supported by the upper expansion body, the softened bowl body containing the high-temperature food is supported in an auxiliary mode, the food is prevented from spilling due to deformation of the bowl body, and the food containing safety is improved; the expansion body which is expanded and extended wraps the outside of the bowl body, so that heat preservation of food in the bowl body is realized, the packed food can be guaranteed not to lose heat in a long-time distribution process, and the quality of food distribution is improved; meanwhile, the bowl body is supported by the inflated expansion body, so that jolts generated in the distribution process are buffered, the degree of shaking of food in the bowl body is reduced, the probability of scattering of the food in the bowl body is reduced, and the safety of food holding is further improved; when a user has a meal, the telescopic heat preservation body can also play a good heat insulation effect, so that the user is prevented from being scalded by food in the bowl body when the user holds the paper bowl by hands, and the use of the user is facilitated.

2. According to the invention, the expansion body is made of elastic material, and after the upper end of the upper telescopic body is contacted with the outer wall of the bowl body, a gap is kept between the lower end of the bowl body and the closing body, so that jolt generated in the distribution process can be buffered by expansion and contraction deformation of the expansion body and gas compression in the expansion body, the jolt impact force is further reduced, the degree of shaking of food in the bowl body is further reduced, the probability of spilling of food in the bowl body is further reduced, and the safety of food holding is further improved; and at the in-process of taking out the bowl body from flexible heat preservation body, the bowl body reduces the compression degree to the inflation body gradually, because the inflation body makes for elastic material, and then the bowl body constantly contracts at the in-process inflation body that upwards takes out, and then has reduced the inflation body and to bowl body constraint all around, and then the bowl body of being convenient for takes out from flexible heat preservation body, and then user's of being convenient for use has improved user's use and has experienced.

3. According to the invention, the closing body is of a split structure, so that the manufacturing cost of a single part is reduced, the structural strength of the closing body is improved in a superposition mode by the inner ring of the outer clamping ring and the outer edge of the supporting clamping plate, the bowl body and the hand are not too close to each other due to deformation of the closing body when a user holds the paper bowl with the hand to eat, the food in the bowl body is prevented from scalding the hand of the user, and the safety and the comfort of the user in using the bowl body are improved; the upper surface of the supporting clamping plate is provided with the limiting boss, so that on one hand, the lower end of the bowl body can be limited through the limiting boss, the stability of the bowl body placed in the telescopic heat insulation body is improved, and the safety of food in the distribution process is improved; on the other hand, the bottom of the expansion body after expansion is supported by the limit boss, and only the middle part of the expansion body is supported, so that the periphery of the expansion body is supported by the supporting force provided by the limit boss, under the pressure action of gas in the expansion body, and further the bottom of the expansion body is enabled to overcome a certain pressure to enable the expansion body to be bent and further to be attached to the upper surface of the outer clamping ring, therefore, the expansion body has a softer supporting effect on the upper expansion body, the buffering effect on the bowl body is further improved, the degree of shaking food in the bowl body is further reduced, the probability of food falling in the bowl body is further reduced, and the safety of food containing is further improved.

4. According to the bowl body sealing structure, the edges of the supporting clamping plates are separated through the shearing seams, so that the edges of the supporting clamping plates are bent downwards at intervals, when a user installs the telescopic heat insulation body at the upper end of the bowl body, the bent supporting clamping plates are inserted into the bowl body along the inner wall of the bowl body, the bowl body is sealed by matching with the edges of the lower ends of the outer clamping rings, the bowl body is sealed in an inner and outer supporting mode, the upper edges of the bowl body are prevented from deforming in the distribution process, and the sealing effect of the bowl body is improved.

5. According to the bowl, the notches are intermittently arranged along the circumferential direction at the inner side edge of the upper end of the upper telescopic body, so that when the bowl body is placed in the telescopic heat insulation body, the bowl body bends the upper end edge of the upper telescopic body in the process of pressing down, the inner side edge of the upper end of the upper telescopic body is finally surrounded on the outer side of the conical surface of the bowl body, further the bowl body is further supported, the bowl body can be well guaranteed to be in a shape without deforming after containing food, the food in the bowl body is prevented from being spilled and leaked, and the safety of the food in the distribution process is improved; meanwhile, the inner side edge of the upper end of the bent upper telescopic body has certain elasticity, so that the bowl body is ensured to be connected with the upper telescopic body to have a certain buffering effect, the jolting impact force of food in the bowl body in the distribution process is reduced, and the safety of the food in the distribution process is improved.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a schematic view of the overall structure of a paper bowl according to the present invention;

FIG. 2 is a front view of the paper bowl of the present invention;

FIG. 3 is a schematic view of the paper bowl of the present invention in a packaged state;

FIG. 4 is a schematic view of the present invention showing the telescoping insulation in a collapsed condition;

FIG. 5 is a schematic view of the present invention showing the telescoping insulation in an expanded condition;

FIG. 6 is a schematic view of the structure of the support chucking plate in the present invention;

in the figure: the bowl comprises a bowl body 1, a telescopic heat insulation body 2, an upper telescopic body 21, a notch 211, a lower telescopic body 22, a closing body 23, an expansion body 24, an outer clamping ring 231, a supporting clamping plate 232, a limiting boss 233 and a shearing seam 234.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 5, a disposable thermal insulation paper bowl convenient for packaging and using comprises a bowl body 1 and a telescopic thermal insulation body 2; the bowl body 1 has a taper; the telescopic heat preservation body 2 comprises an upper telescopic body 21, a lower telescopic body 22, a closing body 23 and an expansion body 24; the inner side of the upper end of the upper telescopic body 21 is abutted against the conical surface of the bowl body 1; the lower end of the upper telescopic body 21 is connected with the upper end of the lower telescopic body 22 in a sliding way; the lower end of the lower telescopic body 22 is sealed by the closing body 23; the upper end of the closing body 23 is provided with the expansion body 24; the expansion body 24 is a closed hollow structure; the interior of the expansion body 24 is filled with gas.

When the bowl body 1 containing food is placed above the expansion body 24, the bowl body 1 extrudes the expansion body 24 under the action of gravity of the food, the expansion body 24 is extruded and expanded, the lower expansion body 22 limits the radial direction of the expansion body 24, the expansion body 24 extends upwards along the inner wall of the lower expansion body 22, the expansion body 24 jacks the upper expansion body 21 upwards in the upwards expansion process, the upper expansion body 21 and the lower expansion body 22 are relatively unfolded, when the bottom of the bowl body 1 containing food is close to the closing body 23, the upper end of the upper expansion body 21 is gradually contacted with the outer wall of the bowl body 1, the bowl body 1 is supported through the upper expansion body 21, the bowl body 1 softened due to containing high-temperature food is supported in an auxiliary mode, and the food is prevented from being scattered due to deformation of the bowl body 1, thereby improving the safety of food holding; the expansion body 24 which is expanded and extended is wrapped outside the bowl body 1, so that the food in the bowl body 1 is insulated, the packed food can be guaranteed not to lose heat in the long-time distribution process, and the food distribution quality is improved; meanwhile, the bowl body 1 is supported by the inflated expansion body 24, so that jolting generated in the distribution process is buffered, the degree of shaking of food in the bowl body 1 is reduced, the probability of spilling of the food in the bowl body 1 is reduced, and the safety of food containing is further improved.

When a user has a meal, the telescopic heat preservation body 2 can also play a good heat insulation effect, so that the user is prevented from being scalded by food in the bowl body 1 when the user holds a paper bowl with hands, and the use of the user is facilitated.

The expansion body 24 is made of an elastic material.

The expansion body 24 is made of elastic materials, and after the upper end of the upper telescopic body 21 is contacted with the outer wall of the bowl body 1, a gap is reserved between the lower end of the bowl body 1 and the closing body 23, so that bumping generated in the distribution process can be buffered by expansion and contraction deformation of the expansion body 24 and gas compression inside the expansion body 24, the degree of shaking of food in the bowl body 1 is reduced, the probability of spilling of the food in the bowl body 1 is reduced, and the safety of food containing is further improved; and in the in-process of taking out the bowl body 1 from flexible heat preservation body 2, the bowl body 1 reduces the degree of compression to the inflation body 24 gradually, because the inflation body 24 makes for the elasticity material, and then the bowl body 1 constantly contracts at the in-process inflation body 24 that upwards takes out, and then has reduced the inflation body 24 to the constraint all around of the bowl body 1, and then the bowl body 1 of being convenient for takes out from flexible heat preservation body 2, and then the user's of being convenient for use has improved user's use and has experienced.

And a reflective layer is sprayed on the outer surface of the expansion body 24 in the expansion state.

Because the inflation body 24 just keeps warm to the food in the bowl body 1 after the inflation, and then the reflector layer at the 24 surface spraying of inflation body also need go on under the inflation state of the inflation body 24, and then guarantee that the inflation body 24 also can guarantee that the surface is whole to be covered by the reflector layer at the inflation state, and then block the heat route of food through the mode propagation of heat radiation through the reflector layer, and then realize keeping warm to the food in the bowl body 1 through the reflector layer that the 24 surface of inflation body set up, further improve the heat preservation effect of paper bowl.

As shown in fig. 1 to 5, the enclosure 23 is a split structure; the closing body 23 comprises an outer clamping ring 231 and a supporting clamping plate 232; the outer ring of the outer clamping ring 231 is fixedly connected to the inner wall of the lower end of the lower telescopic body 22; the inner ring of the outer clamping ring 231 is fixedly connected with the outer edge of the supporting clamping plate 232; the upper surface of the supporting and clamping plate 232 is provided with a limiting boss 233.

By arranging the closing body 23 to be of a split structure, the manufacturing cost of a single part is reduced, the structural strength of the closing body 23 is improved by overlapping the inner ring of the outer clamping ring 231 and the outer edge of the supporting clamping plate 232, so that the bowl body 1 is not too close to the hand because the closing body 23 deforms when a user holds a paper bowl with the hand to eat, the hand of the user is prevented from being scalded by food in the bowl body 1, and the safety and the comfort of the user in using the bowl body 1 are improved; the limiting boss 233 is arranged on the upper surface of the supporting clamping plate 232, so that on one hand, the lower end of the bowl body 1 can be limited through the limiting boss 233, the stability of the bowl body 1 placed in the telescopic heat insulation body 2 is improved, and the safety of food in the distribution process is improved; on the other hand, the limiting boss 233 supports the bottom of the expanded expansion body 24, and only supports the middle of the expansion body 24, so that the periphery of the expansion body 24 is supported by the supporting force provided by the limiting boss 233, and under the pressure action of the gas in the expansion body 24, the bottom of the expansion body 24 can be bent to be attached to the upper surface of the outer clamping ring 231 only by overcoming a certain pressure, so that the expansion body 24 has a softer supporting effect on the upper expansion body 21, the buffering effect on the bowl body 1 is improved, the degree of shaking of the food in the bowl body 1 is reduced, the probability of spilling of the food in the bowl body 1 is reduced, and the safety of food containing is further improved.

As shown in fig. 6, the edge of the supporting and clamping plate 232 is provided with cutting slits 234 intermittently along the circumferential direction; the edges of the support chucking plate 232 are bent downward at intervals.

Cut the seam 234 through the setting and will support the border of chucking plate 232 separately, and then will support the border interval downwarping of chucking plate 232, and then when the user will stretch out and draw back the heat preservation body 2 and install in bowl body 1 upper end, support chucking plate 232 after the bending inserts in bowl body 1 along the inner wall of bowl body 1, and then the border realization of cooperation outer chucking ring 231 lower extreme seals bowl body 1, and the mode through inside and outside support has not only realized sealing bowl body 1, the last border that has still guaranteed bowl body 1 can not take place to warp at the in-process of delivery, and then the sealed effect of bowl body 1 has been improved.

As shown in fig. 1 to 5, notches 211 are intermittently provided in the circumferential direction at the inner edge of the upper end of the upper telescopic body 21.

The notches 211 are intermittently arranged along the circumferential direction at the inner side edge of the upper end of the upper telescopic body 21, so that when the bowl body 1 is placed in the telescopic heat insulation body 2, the bowl body 1 bends the upper end edge of the upper telescopic body 21 in the pressing process, and finally the inner side edge of the upper end of the upper telescopic body 21 surrounds the outer side of the conical surface of the bowl body 1, so that the bowl body 1 is further supported, the bowl body 1 is guaranteed to be in a good shape without deformation after containing food, the food in the bowl body 1 is prevented from spilling and leaking, and the safety of the food in the distribution process is improved; meanwhile, the inner side edge of the upper end of the bent upper telescopic body 21 has certain elasticity, so that the bowl body 1 is connected with the upper telescopic body 21 with a certain buffering effect, the bumping impact force of food in the bowl body 1 in the distribution process is reduced, and the safety of the food in the distribution process is improved.

When the bowl body 1 containing food is placed above the expansion body 24, the bowl body 1 extrudes the expansion body 24 under the action of gravity of the food, the expansion body 24 is extruded and expanded, the lower expansion body 22 limits the radial direction of the expansion body 24, the expansion body 24 extends upwards along the inner wall of the lower expansion body 22, the expansion body 24 jacks the upper expansion body 21 upwards in the upwards expansion process, the upper expansion body 21 and the lower expansion body 22 are relatively unfolded, when the bottom of the bowl body 1 containing food is close to the closing body 23, the upper end of the upper expansion body 21 is gradually contacted with the outer wall of the bowl body 1, the bowl body 1 is supported through the upper expansion body 21, the bowl body 1 softened due to containing high-temperature food is supported in an auxiliary mode, and the food is prevented from being scattered due to deformation of the bowl body 1, thereby improving the safety of food holding; the expansion body 24 which is expanded and extended is wrapped outside the bowl body 1, so that the food in the bowl body 1 is insulated, the packed food can be guaranteed not to lose heat in the long-time distribution process, and the food distribution quality is improved; meanwhile, the bowl body 1 is supported by the inflated expansion body 24, so that jolting generated in the distribution process is buffered, the degree of shaking of food in the bowl body 1 is reduced, the probability of spilling of the food in the bowl body 1 is reduced, and the safety of food containing is further improved.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.