CN211779487U - Centrum plug type refrigeration joint and cold-storage cremation coffin composed of same - Google Patents

Abstract

The utility model discloses a plug formula refrigeration connects in centrum and cold-stored cremation coffin of constituteing by it, including connecting main part and attach fitting, connect the main part including connecting the external body, connect the external internal stopper that is equipped with centrum, the plug in the centrum include in the toper plug body and with the toper plug body coupling's connection piece, all be equipped with the inscription through-hole on stopper body and the connection piece in the toper, be equipped with the tapered groove between the plug body in the toper and the joint external body, the connection piece is kept away from constitute between the terminal surface of plug body in the toper and the inner wall of connecting the external body and be used for attach fitting male cavity that holds, attach fitting can dismantle with the joint main. The utility model provides a plug formula refrigeration connector structure in centrum is simple, the installation is dismantled conveniently, has improved the installation rate of pipeline, has improved this its leakproofness through being equipped with the plug in the centrum, avoids taking place the refrigerant and outwards escapes the phenomenon, has improved cold-stored effect, and the cold-stored cremation coffin of constituteing by this refrigeration connector has better cold-stored heat preservation effect, has improved refrigeration efficiency.

Description

Centrum plug type refrigeration joint and cold-storage cremation coffin composed of same

Technical Field

The utility model relates to the field of funeral and interment equipment, in particular to a centrum plug type refrigeration joint and a cold-stored cremation coffin consisting of the same.

Background

The funeral culture is a complex of multiple speciality cultures in the social activities created by human beings related to death, covers the content of real objects, beliefs, psychology, ethics, morality and art, and is an important component of Chinese culture. According to the traditional funeral custom, a person needs to go to do funeral after death, and needs to stop the dead for three to five days during the period, and then goes out of funeral or goes to a funeral parlor to be burned. Before cremation, remains of the dead person need to be refrigerated and cremated in the refrigerated cremation coffin, so that the phenomena of corpse decay and environmental pollution can be avoided.

At present, there are many cremation coffins for refrigerating remains, for example, patent application No. CN201821496421.8 discloses a direct-cooling type refrigerating cremation coffin, which comprises a coffin body, a coffin cover and a refrigerating device, wherein the coffin cover covers the coffin body, the inner wall of the coffin body is provided with a combustible cooling pipe, and the side wall of the coffin body is provided with a liquid inlet joint and a liquid outlet joint which are communicated with the cooling pipe; the refrigerating device comprises a box body and a refrigerating mechanism, the refrigerating mechanism is arranged in the box body, the refrigerating mechanism comprises a compressor, a condenser, a drying filter, a capillary tube and an evaporator which are sequentially communicated through a pipeline to form a refrigerating circulation loop, a heat dissipation fan is arranged on one side of the condenser, the evaporator is communicated with a liquid inlet joint through a liquid inlet pipe, and an electromagnetic valve and a discharge pump are arranged on the liquid inlet pipe; and a recovery mechanism for recovering the cooling liquid in the cooling pipe is arranged above the evaporator and is respectively communicated with the evaporator and the liquid outlet joint through a liquid return pipe. The cremation coffin has the advantages that the compressor, the condenser, the drying filter, the capillary tube and the evaporator which are sequentially communicated through the liquid inlet pipe, the liquid inlet joint, the cooling pipe and the liquid outlet joint pipeline form a refrigeration cycle loop so as to realize the purpose of cooling and refrigerating the remains.

However, the above patent does not describe the structure of the liquid inlet joint and the liquid outlet joint, and there are many joints used for connecting pipes in the prior art, for example, patent application No. cn200910231734.x discloses a double-extrusion quick joint, which comprises a joint and a pipe, wherein the joint is tubular, a sealing groove is arranged on the inner wall of each end of the joint, the pipe is inserted into the joint, and the inner end of the pipe passes through the sealing groove; a sealing ring is arranged in the sealing groove; and the joints on two sides of the sealing groove are inwards extruded to form a first annular pressing groove and a second annular pressing groove so as to seal and fasten the joints and the pipeline together. Although the joint is convenient to assemble, the air tightness of the joint and the pipeline is poor in the using process, and the phenomenon that cold air escapes out of the coffin body when the joint is used for cremating the coffin is easy to occur, so that the cold storage effect is reduced, the load of a refrigeration system is increased, and the cold storage cost is increased.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: overcomes the defects of the prior art, and provides a centrum inner plug type refrigeration joint with simple structure, convenient use and good sealing performance and a cold storage cremation coffin consisting of the same.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a plug formula refrigeration connects in centrum, is including connecting main part and attach fitting, connect the main part including connecting the external body, connect the external internal centrum stopper that is equipped with of external, the internal stopper of centrum include in the toper stopper body and with stopper body coupling's connection piece in the toper, all be equipped with the inscription through-hole on stopper body and the connection piece in the toper, stopper body in the toper with connect and be equipped with the tapered groove between the external body, the connection piece is kept away from in the toper the terminal surface of stopper body with it is used for to connect between the inner wall of the external body connect the male cavity that holds of attach fitting, attach fitting with connect the main part and can dismantle the.

The setting of stopper in the centrum makes on the effort that produces when coupling joint inserts and holds the cavity and press to the connection piece acts on the evaporating pipe, makes the evaporating pipe more inseparabler with connecting the external connection, and makes the refrigeration pipe chucking that is located the coupling joint between connection piece and handle, has improved this refrigeration and has connected the leakproofness, avoids taking place the outer ease phenomenon of refrigeration medium, has improved cold-stored effect.

Furthermore, the connecting joint comprises a hollow refrigerating pipe joint and a handle arranged outside the refrigerating pipe joint.

Further, the inner diameter of the conical inner plug body is gradually increased along the connecting sheet.

Furthermore, one side of the connecting sheet, which is far away from the conical inner plug body, is connected with a sealing plug, so that the sealing effect is improved.

Further, the sealing plug is a silica gel sealing plug.

Furthermore, the joint outer body is formed into an inner thread on the inner wall of the accommodating cavity, and an outer thread matched with the inner thread is arranged on the handle.

The utility model also provides a cold-stored cremation coffin of compriseing plug type refrigeration joint in the centrum, including coffin cover, the coffin body, support, evaporating pipe, refrigeration pipe and circulating pipe, the coffin shroud is in on the coffin body, the coffin body is located the support top, the bottom of support is equipped with the gyro wheel, be equipped with the handle on the coffin body, be equipped with 2 above-mentioned plug type refrigeration joints in the centrum on the coffin body side wall, the evaporating pipe install in the coffin body, its head and the tail both ends insert respectively in 2 centrum plug type refrigeration joint's the bell jar, the one end of refrigeration pipe and circulating pipe respectively with 2 plug type refrigeration joint's in the centrum connect the coupling joint, and its other end all is connected with refrigerating system.

The film-coated pearl wool can play a role in heat insulation, so that the refrigeration effect of the cremation coffin is improved, and the decay time and the decay speed of the corpse are delayed.

Further, film-coated pearl cotton is arranged in the coffin body and the coffin cover, the evaporating pipes are arranged on the film-coated pearl cotton, and the film-coated pearl cotton surrounds and wraps the bottom wall and the side walls in the coffin body and the top wall and the side walls on the inner side of the coffin cover.

Further, the film-coated pearl cotton comprises a pearl cotton layer and a plastic film layer arranged on the surface of the pearl cotton layer.

Furthermore, the evaporating tubes are arranged on the film-coated pearl cotton on the left side wall and the right side wall in the coffin body in an S shape along the height direction of the coffin body, and are arranged on the film-coated pearl cotton on the bottom wall in the coffin body in an arc shape along the length direction of the coffin body.

Further, the utility model discloses still protect another kind of mounting means of evaporating pipe: the film-coated pearl cotton is provided with grooves which are arranged on the film-coated pearl cotton positioned on the left side wall and the right side wall in the coffin body in an S shape along the height direction of the coffin body, and are arranged on the film-coated pearl cotton positioned on the bottom wall in the coffin body in an arc shape along the length direction of the coffin body, and the evaporation tubes are arranged in the grooves.

The utility model discloses a centrum inner plug formula refrigeration connects and by its cold-stored cremation coffin beneficial effect who constitutes:

(1) the centrum plug type refrigeration joint provided by the utility model has simple structure and convenient assembly and disassembly, improves the installation speed of the pipeline, and accelerates the refrigeration efficiency of the cremation coffin;

(2) the utility model provides a plug formula refrigeration connector in centrum makes the connecting joint insert and holds the cavity and acts on toper inner plug body through being equipped with centrum inner plug and pressing to the effort that produces when connecting piece, further makes the evaporating pipe press from both sides tightly in the bell jar between joint body and the toper inner plug body, makes the evaporating pipe and the external body coupling of joint more closely, and makes the refrigeration pipe card that is located the connecting joint between connecting piece and handle, has improved the leakproofness of this refrigeration joint, avoids taking place the refrigerant and lets out the phenomenon, has improved cold-stored effect;

(3) the cold-stored cremation coffin provided by the utility model has the advantages that the film-coated pearl cotton is arranged in the coffin body and the coffin cover, so that the inner space of the coffin body is isolated from the external environment, the airtightness of the coffin body is improved, the heat insulation and heat preservation effects are achieved, the phenomena that the temperature in the coffin body is increased and the cold air in the coffin body escapes from the coffin body due to the fact that the external air enters the coffin body are avoided, the cold-stored heat preservation effect of the cremation coffin is improved, the refrigeration efficiency is improved, and the work load of a refrigeration device is reduced; the service life of the refrigerating device is prolonged; in addition, the film-coated pearl cotton has better toughness, can play a role of buffering, reduces the impact force of the corpse and the coffin body in the process of moving or toppling over due to collision of the cremation coffin, ensures the integrity of the corpse, reduces the risk of damaging the coffin body, and improves the service performance and the service life of the cremation coffin.

Drawings

Fig. 1 is a schematic structural view of the centrum plug type refrigeration joint of the present invention;

fig. 2 is a three-dimensional structure diagram of a cold-storage cremation coffin consisting of centrum inner plug type refrigeration joints of the utility model;

fig. 3-is a cross-sectional view taken at a-a in fig. 2.

The above reference numerals: 1-joint outer body, 2-vertebral body inner plug, 21-conical inner plug body, 22-connecting piece, 23-internal connecting through hole, 3-conical groove, 4-accommodating cavity, 5-refrigerating pipe joint, 6-handle, 7-coffin cover, 8-coffin body, 9-bracket, 10-observation window, 11-handle, 12-roller, 13-film-coated pearl cotton, 131-pearl cotton layer, 132-plastic film layer, 14-evaporating pipe, 15-refrigerating pipe and 16-circulating pipe.

Detailed Description

The present invention is further described with reference to the following drawings and examples, but these embodiments do not limit the scope of the present invention in any way.

Example 1

Referring to fig. 1, the centrum inner plug type refrigeration joint comprises a joint main body and a connecting joint, wherein the joint main body comprises a joint outer body 1, a centrum inner plug 2 is arranged in the joint outer body 1, the centrum inner plug 2 comprises a conical inner plug body 21 and a connecting sheet 22 integrally connected with the conical inner plug body 21, internally-connected through holes 23 with the same size are respectively arranged on the conical inner plug body 21 and the connecting sheet 22, a conical groove 3 (specifically, the side wall of an evaporation tube 14 is inserted into the conical groove 3) is arranged between the conical inner plug body 21 and the joint outer body 1, an accommodating cavity 4 for inserting the connecting joint is formed between the end surface of the connecting sheet 22 far away from the conical inner plug body 21 and the inner wall of the joint outer body 1, the connecting joint comprises a hollow refrigeration pipe joint 5 and a handle 6 arranged outside the refrigeration pipe joint 5, the joint outer body 1 is provided with an internal thread on the inner wall of the accommodating cavity 4, and the handle 6 is provided with an external thread matched with the internal thread.

When the centrum inner plug 2 type refrigeration joint of the utility model is used on the cold storage cremation coffin, the evaporation pipe 13 can be inserted into the conical groove 3 of the joint main body of the refrigeration joint, the refrigeration pipe 15 can be installed in the refrigeration pipe joint 5 of the joint, when in use, the left end of the refrigeration pipe joint 5 extrudes the conical inner plug body 21 leftwards by screwing the refrigeration pipe joint 5 into the containing cavity 4, and the refrigeration pipe 15 in the joint is filled with high-pressure low-temperature gas, a pressure difference is formed between the joint outer body 1 and the joint, the pressure difference generates thrust along the direction of the conical inner plug body 21 to the joint, the extrusion force of the conical inner plug body 21 extruded leftwards by the left end of the refrigeration pipe joint 5 is further increased, the extrusion force is used on the evaporation pipe 13 and the joint outer body 1, the evaporation pipe 13 is more tightly connected with the joint outer body 1, and the refrigeration pipe 15 in the joint is clamped between the connecting sheet 22 and the handle 6, the sealing performance of the refrigeration joint is improved, the phenomenon that a refrigeration medium escapes outwards is avoided, and the refrigeration effect is improved.

The internal diameter of stopper body 21 is followed in the toper connecting piece 22 crescent, connecting piece 22 is kept away from one side of stopper body 21 is connected with the silica gel sealing plug in the toper, has improved sealed effect.

Example 2

Referring to fig. 2-3, a cold storage cremation coffin composed of centrum insert type refrigeration joints comprises a coffin cover 7, a coffin body 8, a support 9, an evaporation pipe 13, a refrigeration pipe 15 and a circulation pipe 16, wherein the coffin cover 7 covers the coffin body 8 and is arched, an observation window 10 can be arranged on the coffin cover according to requirements, so that the deceased family can observe the appearance of the deceased when mourning, the coffin body 8 is positioned above the support 9, the bottom of the support 9 is provided with rollers 12 so that the cremation coffin can be moved during cremation, the working strength during cremation is reduced, a pair of handles 11 are symmetrically arranged on the left side surface and the right side surface of the coffin body 8 so that the cremation coffin can be moved and removed during cremation, the support 9 can be reused after cremation is completed, and the use cost of the cremation coffin is reduced.

Film-coated pearl cotton 13 is arranged in the coffin body 8 and the coffin cover 7, the film-coated pearl cotton 13 surrounds and wraps the bottom wall, the inner side walls (the left side wall, the right side wall, the front side wall and the rear side wall) of the inner side of the coffin body 8 and the top wall and the inner side walls (the left side wall, the right side wall, the front side wall and the rear side wall) of the inner side of the coffin cover 7, the film-coated pearl cotton 13 comprises a pearl cotton layer 131 and a plastic film layer 132 arranged on the surface of the pearl cotton layer 131, the film-coated pearl cotton 13 can be adhered or fixedly arranged on the bottom wall, the inner side walls of the coffin body 8 and the top wall and the inner side walls of the coffin cover 7 through screws, the evaporating pipes 13 are arranged on the film-coated pearl cotton 13 and are arranged on the film-coated pearl cotton 13 on the left side wall and the right side wall of the coffin body 8 in an S shape along the height direction of the coffin body 8 and are arranged on the film-coated pearl cotton 13 on the bottom wall of the, the S-shaped and the arched arrangement modes are adopted, so that the contact area of the cooling water pipe and the corpse can be increased, and the refrigeration effect is improved. However, the present invention is not limited to these two arrangements, and other arrangements such as zigzag arrangement and serpentine arrangement may be adopted.

The traditional cold storage coffin has the function of cooling and refrigerating the corpse, but is not provided with heat insulation equipment, so that cold air of the corpse is easy to escape during the cold storage period or external air is easy to enter the coffin body 8, thereby causing poor cold storage effect, in order to solve the problem, the film-coated pearl cotton 13 is arranged on the bottom wall and each side wall in the coffin body 8, the top wall and each side wall on the inner side of the coffin cover 7, the sealing effect of the cremation coffin is improved by utilizing the water-proof, moisture-proof, heat-insulating and heat-preserving characteristics of the film-coated pearl cotton 13, the cold air in the coffin body 8 is prevented from escaping out of the coffin body 8, the phenomenon that external hot air enters the coffin body 8 is avoided, the corpse in the coffin body 8 is kept in a low-temperature environment for a long time, the corpse decay speed and time are delayed, the refrigeration effect of the cremation coffin is improved, and the work load of a refrigerating device and the use cost of the cremation coffin are reduced; and this tectorial membrane pearl cotton 13 has better buffering effect, and when cremation coffin bumps with other article in cremation transport, tectorial membrane pearl cotton 13 plays the cushioning effect between this coffin body 8 and corpse, has reduced the damage of corpse and coffin body 8 when the collision, has ensured the completion of corpse to be harmless, has improved the life of cremation coffin.

The coffin body 8 is provided with 2 centrum plug 2 type refrigeration joints (a first refrigeration joint and a second refrigeration joint respectively) on the side wall, the joint main body of the centrum plug type refrigeration joint is positioned in the coffin body 8, the connecting joint is positioned outside the coffin body 8, the evaporation tube 13 is installed in the coffin body 8, the head end of the evaporation tube is inserted into the tapered groove 3 of the first refrigeration joint, the tail end of the evaporation tube is inserted into the tapered groove 3 of the second refrigeration joint, the refrigeration tube 15 is installed in the refrigeration tube joint 5 of the first refrigeration joint, the circulating tube 16 is installed in the refrigeration joint of the second refrigeration joint, and the other ends of the refrigeration tube 15 and the circulating tube 16 are connected with a refrigeration system.

Example 3

A cold storage cremation coffin consisting of a centrum inner plug 2 type refrigeration joint comprises a coffin cover 7, a coffin body 8, a support 9, an evaporation pipe 13, a refrigeration pipe 15 and a circulation pipe 16, wherein the coffin cover 7 covers the coffin body 8 and is arched, an observation window 10 can be arranged on the coffin cover according to needs so as to facilitate observation of the appearance of a dead when the family members of the dead pursue the coffin, the coffin body 8 is positioned above the support 9, rollers 12 are arranged at the bottom of the support 9 so as to facilitate moving the cremation coffin during cremation and reduce the working strength during cremation, a pair of handles 11 are symmetrically arranged on the left side surface and the right side surface of the coffin body 8 so as to facilitate moving and removing the cremation coffin during cremation, and the support 9 can be recycled after cremation is finished, so that the use cost of the cremation coffin is reduced.

Film-coated pearl cotton 13 is arranged in the coffin body 8 and the coffin cover 7, the film-coated pearl cotton 13 surrounds and wraps the bottom wall, the inner side walls (the left side wall, the right side wall, the front side wall and the rear side wall) of the inner side of the coffin body 8 and the top wall and the inner side walls (the left side wall, the right side wall, the front side wall and the rear side wall) of the inner side of the coffin cover 7, the film-coated pearl cotton 13 comprises a pearl cotton layer 131 and a plastic film layer 132 arranged on the surface of the pearl cotton layer 131, the film-coated pearl cotton 13 can be adhered or fixedly arranged on the bottom wall, the inner side walls of the coffin body 8 and the top wall and the inner side walls of the coffin cover 7 through screws, grooves are arranged on the film-coated pearl cotton 13, the grooves are arranged on the film-coated pearl cotton 13 on the left side wall and the right side wall of the coffin body 8 in an S shape along the height direction of the coffin body 8 and are arranged on the film-coated pearl cotton 13 on the bottom, the evaporation tube 13 is mounted in the groove.

The coffin is characterized in that 2 centrum plug type refrigerating joints (a first refrigerating joint and a second refrigerating joint respectively) in embodiment 1 are arranged on the side wall of the coffin body 8, a joint main body of the centrum plug type refrigerating joint is positioned in the coffin body 8, a connecting joint is positioned outside the coffin body 8, the evaporation pipe 13 is installed in the coffin body 8, the head end of the evaporation pipe is inserted into the tapered groove 3 of the first refrigerating joint, the tail end of the evaporation pipe is inserted into the tapered groove 3 of the second refrigerating joint, the refrigerating pipe 15 is installed in the refrigerating pipe joint 5 of the first refrigerating joint, the circulating pipe 16 is installed in the refrigerating pipe joint of the second refrigerating joint, and the other ends of the refrigerating pipe 15 and the circulating pipe 16 are connected with a refrigerating system.

The utility model discloses the during operation, with evaporating pipe 13, refrigerating pipe 15 and circulating pipe 16 install respectively on first refrigeration joint and second refrigeration joint, and be connected refrigerating pipe 15 and circulating pipe 16's one end and refrigerating system, the coolant that refrigerating system prepared reduces the temperature in the coffin body 8 in order to realize the purpose of keeping in refrigerating pipe 15 carries to evaporating pipe 13 through refrigerating pipe, and the coolant of output passes through circulating pipe 16 and carries to the use of recirculating after cooling again in the refrigerating system in from evaporating pipe 13, the utility model discloses an evaporating pipe 13 and refrigerating pipe 15, adopt plug formula refrigeration joint to connect in the centrum between the circulating pipe 16, avoided the phenomenon of coolant's air conditioning loss, improved airtight effect and cold-stored effect.

The above technical features can be understood and implemented by those skilled in the art through the text description, and therefore, the accompanying drawings are not needed to be described.

It should explain otherwise, the utility model discloses well refrigerating system's structure and theory of operation all can adopt the structure among the prior art, for the cold-stored cremation coffin of a direct cooling type that CN201821496421.8 disclosed like the patent number, the utility model provides a first refrigeration connects and second refrigeration connects and is equivalent to liquid inlet joint and liquid outlet joint in this patent respectively, and the structure and the principle of refrigerating system are not repeated one by one here.

The terms "first," "second," and the like, are used herein to describe various elements, but these elements should not be limited by these terms. These terms are only used to distinguish one element from another.

As used herein, the terms "upper," "lower," "left," "right," and the like are used for convenience of description based on the orientation as shown in the figures of the drawings, which may vary from one actual device to another depending on the manner in which the device is arranged.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.

Claims (10)

1. The utility model provides an interior stopper formula of centrum refrigeration connects, includes joint main part and attach fitting, its characterized in that: the connector main body comprises a connector outer body, a cone inner plug is arranged in the connector outer body, the cone inner plug comprises a cone inner plug body and a connecting piece which is connected with the cone inner plug body in an integrated mode, internally-connected through holes are formed in the cone inner plug body and the connecting piece, a cone groove is formed between the cone inner plug body and the connector outer body, the connecting piece is far away from the end face of the cone inner plug body and the inner wall of the connector outer body, the end face of the cone inner plug body and the inner wall of the connector outer body form a containing cavity for inserting the connector, and the connector main body are detachably connected.

2. An intravertebral plug refrigeration adapter as recited in claim 1 wherein: the connecting joint comprises a hollow refrigerating pipe joint and a handle arranged outside the refrigerating pipe joint.

3. An intravertebral plug refrigeration adapter as recited in claim 1 wherein: the inner diameter of the conical inner plug body is gradually increased along the connecting sheet.

4. An intravertebral plug refrigeration adapter as recited in claim 1 wherein: one side of the connecting sheet, which is far away from the conical inner plug body, is connected with a sealing plug.

5. An intravertebral plug refrigeration coupling as recited in claim 4 wherein: the sealing plug is a silica gel sealing plug.

6. An intravertebral plug refrigeration coupling as recited in claim 2 wherein: the outer body of the joint is formed into an inner thread on the inner wall of the accommodating cavity, and an outer thread matched with the inner thread is arranged on the handle.

7. A cold-stored cremation coffin which is composed of centrum plug type refrigeration joints comprises a coffin cover, a coffin body, a support, an evaporation pipe, a refrigeration pipe and a circulating pipe, wherein the coffin cover covers the coffin body, the coffin body is positioned above the support, the bottom of the support is provided with rolling wheels, the coffin body is provided with a handle, and the cold-stored cremation coffin is characterized in that: the side wall of the coffin body is provided with 2 centrum plug type refrigeration joints according to any one of claims 1 to 6, the evaporation pipe is arranged in the coffin body, the head end and the tail end of the evaporation pipe are respectively inserted into the conical grooves of the 2 centrum plug type refrigeration joints, one end of the refrigeration pipe and one end of the circulation pipe are respectively connected with the connection joints of the 2 centrum plug type refrigeration joints, and the other end of the refrigeration pipe and the other end of the circulation pipe are both connected with a refrigeration system.

8. A cold storage cremation coffin comprising intracorporeal plug type refrigeration joints as claimed in claim 7, wherein: film-coated pearl cotton is arranged in the coffin body and the coffin cover, the evaporating pipe is arranged on the film-coated pearl cotton, and the film-coated pearl cotton surrounds and wraps the bottom wall and the side walls in the coffin body and the top wall and the side walls on the inner side of the coffin cover.

9. A cold storage cremation coffin comprising intracorporeal plug type refrigeration joints as claimed in claim 8, wherein: the film-coated pearl cotton comprises a pearl cotton layer and a plastic film layer arranged on the surface of the pearl cotton layer.

10. A cold storage cremation coffin comprising intracorporeal plug type refrigeration joints as claimed in claim 8, wherein: the evaporating tubes are arranged on the film-coated pearl cotton on the left side wall and the right side wall in the coffin body in an S shape along the height direction of the coffin body, and are arranged on the film-coated pearl cotton on the bottom wall in the coffin body in an arc shape along the length direction of the coffin body.

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