CN220169679U - Liner support - Google Patents

Abstract

The utility model provides a liner support, which relates to the field of electric water heater installation technology, and is applied to an electric water heater, the electric water heater comprises a liner and a shell coaxially sleeved outside the liner at intervals, and the liner support comprises: the device comprises a connecting bracket, an insulating cushion block, a first connecting piece and a second connecting piece; the connecting support is used for being connected with the liner, the insulating cushion block comprises a mounting part and a clamping part arranged on one side of the mounting part, and part of the connecting support is inserted into the clamping part; the mounting part is provided with a first thread bush, the first connecting piece is inserted into the first thread bush through the shell, the clamping part is provided with a second thread bush, and the second connecting piece is inserted into the second thread bush through the shell; the quick connection and fixation of the inner container of the electric water heater are realized, so that the problem of complex installation of the electric water heater is solved.

Description

A kind of liner stent

Technical field

The present application relates to electric water heater installation technology, and in particular to an inner tank bracket.

Background technique

Electric water heater is one of the most frequently used household appliances in modern families. The core assembly component of the electric water heater is its inner tank bracket. The inner tank bracket of the electric water heater can be used as an important support component of the inner tank to increase the earthquake resistance of the electric water heater. At the same time, the inner tank bracket can also play an anti-corrosion and anti-rust role.

At present, electric water heaters in users' homes are usually installed on exterior wall racks. The electric water heater includes an inner tank for storing hot water. A shell is coaxially and spaced outside the inner tank. A bracket structure is provided on the inner tank. The bracket structure includes a connecting bracket and an insulating pad. The connecting bracket is welded to the inner tank; There are fastening bolts on the outer wall hanger. When installing the electric water heater, the fastening bolts need to be passed through the shell, the insulating pad, and the connecting bracket in sequence, so that the water heater can be installed and fixed through the fastening bolts.

However, the installation and fixation of the water heater through fastening bolts requires the threaded holes on each component to be aligned neatly during installation. Since the electric water heater is usually installed at a higher position in the house, it is inconvenient for the staff to connect the threaded holes. , which makes the installation of electric water heaters more complicated.

Utility model content

In view of this, this application provides an inner tank bracket, aiming to solve the problem of complicated installation of electric water heaters.

In order to achieve the above purpose, this application provides an inner stent that adopts the following technical solutions:

This application provides an inner tank bracket, which is applied to an electric water heater. The electric water heater includes an inner tank and a shell that is coaxially and spaced outside the inner tank; the inner tank bracket includes: a connecting bracket and an insulating pad. block, first connector and second connector;

The connecting bracket is used to connect to the inner tank, the insulating pad includes a mounting part and a clamping part provided on one side of the mounting part, and part of the connecting bracket is inserted into the clamping part;

The mounting part is provided with a first threaded sleeve, and the first connector is inserted into the first threaded sleeve through the shell for connecting the mounting part and the shell; the clamping A second threaded sleeve is provided on the part, and the second connecting piece is inserted into the second threaded sleeve through the shell for connecting the clamping part and the shell.

By adopting the above technical solution, when installing the electric water heater, the staff first inserts the connecting bracket connected to the inner tank into the corresponding clamping part to complete the rapid positioning of the inner tank, and then uses the first connecting piece to connect the outer shell and the installation The second connector is used to connect the shell and the clamping part; there is no need for staff to position the threaded holes of each component at a high place before installation, which makes the installation process of the electric water heater simpler and greatly improves the installation time of the staff. Installation efficiency of electric water heater liner.

In a possible implementation, the clamping part includes a first support section, an upper clamping section and a lower clamping section, and the upper clamping section and the lower clamping section are arranged on the first support section. on the same side of the segment, and the upper clamping segment is parallel to the lower clamping segment to form a slot, part of the connecting bracket is inserted into the slot, and the second threaded sleeve is located on the upper on the clamping section.

Here, the first support section, the upper clamping section and the lower clamping section together form an integral component to improve the overall strength, and the upper clamping section and the lower clamping section are arranged in parallel to form a slot to facilitate the insertion of the connecting bracket. , at the same time, the first support section can also play a positioning role in the movement of the connecting bracket, making it convenient for workers to quickly plug in.

In a possible implementation, the opposite sides of the lower clamping section are respectively provided with elastic clamping joints, the elastic clamping joints face the notch of the slot, and the elastic clamping joints are connected to the connecting bracket. The side snap-on.

Here, elastic clamping joints are provided on opposite sides of the lower clamping section, which can separate the plugging effect and the clamping effect of the connecting bracket, so that the plugging or clamping function independently, and the upper clamping section and the lower clamping section only function As for the load-bearing function of the plug-in connection, the elastic clamp joint only plays the role of stabilizing the clamp. There is no need to disperse all the stress points of the connecting bracket to the upper and lower clamping sections or the elastic clamp joint, which improves the elastic clamp joint. Practicality, extending the service life of elastic card joints.

In addition, when workers need to access the clamping connection between the connecting bracket and the clamping part, they only need to operate the elastic clamping joint, which is convenient and fast.

In a possible implementation, an end of at least one of the upper clamping section and the lower clamping section facing away from the first support section has a guide slope.

By adopting the above technical solution, the guide slope can play a guiding and positioning role in the insertion of the connection bracket, making the insertion of the connection bracket more accurate and faster.

In a possible implementation, at least one guide rib is provided on both the surface of the upper clamping section facing the lower clamping section and the surface of the lower clamping section facing the upper clamping section.

Here, after the connecting bracket is plugged into the clamping part, the guide ribs will contact the outer surface of the connecting bracket, which disperses the load-bearing points of the clamping part on the connecting bracket, making the connecting bracket less susceptible to greater pressure. Deformation or damage extends the service life of the connecting bracket.

In a possible implementation, the upper clamping section is provided with a plurality of first heat insulation cavities; the lower clamping section is provided with at least one second heat insulation cavity.

By adopting the above technical solution, when the clamping part is in contact with the shell, the first heat insulation cavity can delay the heat conduction from the clamping part to the shell, making it difficult for the temperature to dissipate, and has a heat preservation effect.

In addition, the second heat-insulating cavity can also delay the heat conduction from the clamping part to the shell, preventing the temperature from dissipating easily. At the same time, opening at least one second heat-insulating cavity on the lower clamping section can reduce the use of materials for making the lower clamping section and reduce the cost. The manufacturing cost of the clamping part is reduced, thereby reducing the manufacturing cost of the liner bracket.

In a possible implementation, the clamping part further includes at least one second support section, and the second support section is disposed on a surface of the lower clamping section away from the upper clamping section.

By adopting the above technical solution, when the staff installs the second connector, they will install the second connector in a direction perpendicular to the axial direction of the liner. At this time, the second support section can abut against the outer wall of the liner, thus providing support. The effect is to make the deformation of the clamping part smaller and at the same time stably install the second connecting piece.

In a possible implementation, the insulating pad is further provided with a connecting portion, and the mounting portion and the clamping portion are connected through the connecting portion.

By adopting the above technical solution, the installation part and the clamping part are connected through the connection part. When the electric water heater is installed, if the electric water heater is affected by collision or vibration, the connection part can effectively alleviate the impact of the collision or vibration on the inner tank.

In addition, the smaller size of the connecting part can effectively reduce the use of materials, further reducing the production cost of the inner liner stent.

In a possible implementation, the connection bracket includes a plug-in board and two connection plates respectively located on opposite sides of the plug-in board, and the plug-in board is inserted into the clamping portion.

The connecting plate has a flange facing away from the plug-in board, and the flange is used to connect with the inner tank.

By adopting the above technical solution, the plug-in board and the connecting plate form an overall U-shaped connection bracket, which facilitates the connection between the plug-in board and the clamping part.

In a possible implementation, a reinforcing rib is provided at the intersection between the connecting plate and the flange, and a groove is provided at the intersection between the connecting plate and the plug-in board.

By adopting the above technical solution, the reinforcing ribs and grooves work together to strengthen the stability of the connecting bracket and improve the overall strength of the connecting bracket.

To sum up, this application includes at least one of the following beneficial technical effects:

1. Elastic clamping joints are provided on opposite sides of the lower clamping section, which can separate the plugging effect of the connecting bracket from the clamping effect, so that the plugging or clamping function independently, and the clamping section and the lower clamping section only play a role. For the function of plug-in weighing, the elastic clamp joint only plays a stabilizing role. There is no need to disperse all the stress points of the connecting bracket to the upper and lower clamping sections or the elastic clamp joint, which improves the elastic clamp joint. Practicality, extending the service life of elastic card joints.

2. After the connecting bracket is plugged into the clamping part, the guide ribs will contact the outer surface of the connecting bracket, which disperses the load-bearing points of the clamping part on the connecting bracket, making the connecting bracket less susceptible to greater pressure. Deformation or damage extends the service life of the connecting bracket.

3. When installing the second connector, the staff will install the second connector in a direction perpendicular to the axial direction of the liner. At this time, the second support section can contact the outer wall of the liner, playing a supporting role. While the deformation of the clamping part is small, the second connecting piece is stably installed.

Description of drawings

Specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific implementations described here are only used to illustrate and explain the present application, and the present application is not limited to the following specific implementations.

Figure 1 is a schematic structural diagram of the installation position of an inner tank bracket on an electric water heater provided by an embodiment of the present application;

Figure 2 is a schematic diagram of part of the internal structure of Figure 1;

Figure 3 is a schematic structural diagram of an inner stent provided by an embodiment of the present application;

Figure 4 is a schematic structural diagram of an inner stent provided by an embodiment of the present application from another angle;

Figure 5 is a schematic structural diagram of an inner stent provided by an embodiment of the present application from another angle;

Figure 6 is a schematic structural diagram of a connecting bracket in an inner liner bracket provided by an embodiment of the present application.

Explanation of reference symbols:

100. Inner tank; 200. Connecting bracket; 210. Plug-in board; 220. Connecting board; 230. Flange; 240. Reinforcement rib; 250. Groove; 300. Insulating pad; 310. Installation part; 3101. Chapter Three heat insulation chambers; 320, clamping part; 321, first support section; 322, upper clamping section; 3221, first heat insulation cavity; 323, lower clamping section; 3231, second heat insulation cavity; 324, Elastic clamp joint; 325, second support section; 330, connecting portion; 400, first connecting piece; 500, second connecting piece; 600, first threaded sleeve; 700, second threaded sleeve; 800, guide slope; 900 , guide ribs.

Through the above-mentioned drawings, clear embodiments of the present application have been shown, which will be described in more detail below. These drawings and text descriptions are not intended to limit the scope of the present application's concepts in any way, but are intended to illustrate the application's concepts for those skilled in the art with reference to specific embodiments.

Detailed ways

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatus and methods consistent with aspects of the application as detailed in the appended claims.

Secondly, it should be noted that in the description of this application, the terms "inner", "outer", etc. indicating the direction or positional relationship are based on the direction or positional relationship shown in the drawings. This is only for the convenience of description. It is not intended to indicate or imply that the device or component must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation on the present application.

In addition, it should be noted that in the description of this application, unless otherwise clearly stated and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. , or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between the two components. For those skilled in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

Electric water heater is one of the most frequently used household appliances in modern families. The core assembly component of the electric water heater is its inner tank bracket. The inner tank bracket of the electric water heater can be used as an important support component of the inner tank to increase the earthquake resistance of the electric water heater. At the same time, the inner tank bracket can also play an anti-corrosion and anti-rust role.

At present, electric water heaters in users' homes are usually installed on exterior wall racks. The electric water heater includes an inner tank for storing hot water. A shell is coaxially and spaced outside the inner tank. A bracket structure is provided on the inner tank. The bracket structure includes a connecting bracket and an insulating pad. The connecting bracket is welded to the inner tank; There are fastening bolts on the outer wall hanger. When installing the electric water heater, the fastening bolts need to be passed through the shell, the insulating pad, and the connecting bracket in sequence, so that the water heater can be installed and fixed through the fastening bolts.

However, the installation and fixation of the water heater through fastening bolts requires the threaded holes on each component to be aligned neatly during installation. Since the electric water heater is usually installed at a higher position in the house, it is inconvenient for the staff to connect the threaded holes. , which makes the installation of electric water heaters more complicated.

In view of the above problems, this application provides an inner tank bracket to solve the problem of complicated installation of electric water heaters.

The application will be described in detail below in conjunction with the accompanying drawings and specific embodiments:

Referring to Figures 1, 2 and 3, an inner tank bracket provided by an embodiment of the present application is applied to an electric water heater. The electric water heater includes an inner tank 100 and a shell that is coaxially and spaced outside the inner tank 100; The inner tank bracket includes: a connecting bracket 200, an insulating pad 300, a first connecting piece 400 and a second connecting piece 500.

The connecting bracket 200 is used to connect with the inner bladder 100 .

The insulating pad 300 includes a mounting part 310 and a clamping part 320 provided on one side of the mounting part 310. Part of the connection bracket 200 is inserted into the clamping part 320.

The mounting part 310 is provided with a first threaded sleeve 600, and the first connector 400 is inserted into the first threaded sleeve 600 through the shell for connecting the mounting part 310 and the shell.

The clamping part 320 is provided with a second threaded sleeve 700, and the second connector 500 is inserted into the second threaded sleeve 700 through the shell for connecting the clamping part 320 and the shell.

Optionally, the first threaded sleeve 600 and the second threaded sleeve 700 are both arranged perpendicularly to the outer surface of the inner bladder 100 to more firmly connect the outer shell and the inner bladder 100 .

Optionally, the first connecting member 400 is a screw, and the second connecting member 500 is a fastening bolt.

In the above embodiment, when the worker installs the inner tank 100 of the electric water heater, he first inserts the connecting bracket 200 connected to the inner tank 100 into the corresponding clamping part 320, thereby completing the rapid positioning of the inner tank 100. , then use the first connector 400 to connect the housing and the mounting part 310, and use the second connector 500 to connect the housing and the clamping part 320; there is no need for workers to position the threaded holes of each component at a high place before installation, so that the electrical The installation process of the water heater is relatively simple, which greatly improves the installation efficiency of the staff when installing the inner tank 100 of the electric water heater.

Referring to Figures 3, 4 and 5, in a possible implementation, the clamping portion 320 includes a first support section 321, an upper clamping section 322 and a lower clamping section 323. The upper clamping section 322 and The lower clamping section 323 is disposed on the same side of the first support section 321, and the upper clamping section 322 is parallel to the lower clamping section 323 to form a slot. Part of the connecting bracket 200 is inserted into the slot, and the second threaded sleeve 700 is located on the upper clamping section 322.

Optionally, the upper clamping section 322 and the lower clamping section 323 are arranged in parallel.

Here, the first support section 321, the upper clamping section 322 and the lower clamping section 323 together form an integral component to improve the overall strength, and the upper clamping section 322 and the lower clamping section 323 are arranged in parallel to form a slot, which is convenient When the connecting bracket 200 is plugged in, the first support section 321 can also play a positioning role in the movement of the connecting bracket 200, making it convenient for workers to plug in quickly.

In a possible implementation, elastic clamping joints 324 are provided on opposite sides of the lower clamping section 323 respectively. The elastic clamping joints 324 face the notch of the slot, and the elastic clamping joints 324 are clamped with the side of the connecting bracket 200 .

Optionally, the two elastic clamping joints 324 are arranged symmetrically, and the clamping structure formed by the elastic clamping joints 324 and the side of the connecting bracket 200 is a cantilevered clamping structure, which facilitates the installation and removal of the connecting bracket 200 .

Here, elastic clamping joints 324 are respectively provided on opposite sides of the lower clamping section 323, which can separate the plugging effect and the clamping effect of the connecting bracket 200, so that the plugging or clamping can function independently, and the upper clamping section 322 and the lower clamping section 322 can be separated. The clamping section 323 only plays the role of plug-in load-bearing, and the elastic clamping joint 324 only plays the role of stabilizing the clamping. There is no need to disperse all the stress points of the connecting bracket 200 to the upper clamping section 322 and the lower clamping section 323 or On the elastic clamping joint 324, the practicality of the elastic clamping joint 324 is improved and the service life of the elastic clamping joint 324 is extended.

In addition, when the staff needs to contact the clamping connection between the connecting bracket 200 and the clamping part 320, they only need to operate the elastic clamping joint 324, which is convenient and quick.

In a possible implementation, the end of at least one of the upper clamping section 322 and the lower clamping section 323 facing away from the first support section 321 has a guide slope 800 .

Optionally, the inclination directions of the guide ramps 800 in the upper clamping section 322 and the lower clamping section 323 are symmetrically arranged, and the guide ramps 800 in the upper clamping section 322 and the lower clamping section 323 together form a trumpet-shaped slot. mouth.

In the above embodiment, the guide slope 800 can guide and position the connection bracket 200 for insertion, so that the connection bracket 200 can be inserted more accurately and quickly.

In a possible implementation, at least one guide rib 900 is provided on both the surface of the upper clamping section 322 facing the lower clamping section 323 and the surface of the lower clamping section 323 facing the upper clamping section 322 .

Optionally, the surface of the upper clamping section 322 facing the lower clamping section 323 is provided with two guide ribs 900 that are parallel to each other, and the surface of the lower clamping section 323 facing the upper clamping section 322 is provided with two guides that are parallel to each other. ribs 900, and the two guide ribs 900 on the upper clamping section 322 are respectively arranged in one-to-one correspondence with the two guide ribs 900 on the lower clamping section 323.

Here, after the connecting bracket 200 is plugged into the clamping portion 320, normally, the outer surface of the connecting bracket 200 and the upper clamping section 322 face the lower clamping section 323, and the lower clamping section 323 faces upward for clamping. The surface of the segment 322 is in contact, causing the weak position of the connecting bracket 200 to also be subject to greater pressure, which is not conducive to the use of the connecting bracket 200 .

In addition, the introduction of the guide ribs 900 causes the guide ribs 900 to contact the outer surface of the connecting bracket 200 , which disperses the load-bearing points of the clamping portion 320 on the connecting bracket 200 , making the connecting bracket 200 less susceptible to deformation due to greater pressure. Or damaged, extending the service life of the connecting bracket 200 .

In a possible implementation, the upper clamping section 322 is provided with a plurality of first heat insulation cavities 3221; the lower clamping section 323 is provided with at least one second heat insulation cavity 3231.

Optionally, a plurality of first heat insulation cavities 3221 are arranged in a rectangular array on the upper clamping section 322, and the lower clamping section 323 is provided with second heat insulation cavities on both sides close to the first support section 321 and away from the first support section 321. Cavity 3231.

In the above embodiment, when the clamping part 320 is in contact with the housing, the first heat insulation cavity 3221 can slow down the heat conduction rate of the clamping part 320 to the housing, prevent the temperature from dissipating easily, and have a heat preservation effect.

In addition, the second heat insulating cavity 3231 can also delay the heat conduction from the clamping portion 320 to the shell, preventing the temperature from dissipating. At the same time, opening at least one second heat insulating cavity 3231 in the lower clamping section 323 can reduce the need for manufacturing the lower clamping section 323. The use of materials reduces the manufacturing cost of the clamping part 320, thereby reducing the manufacturing cost of the inner bladder bracket.

In a possible implementation, the clamping portion 320 further includes at least one second support section 325 , and the second support section 325 is disposed on a surface of the lower clamping section 323 away from the upper clamping section 322 .

Optionally, the second support section 325 is a rectangular flat plate, and the side of the second support section 325 close to the inner bladder 100 is in contact with the outer surface of the inner bladder 100 .

In the above embodiment, when the worker installs the second connector 500, he or she will install the second connector 500 in a direction perpendicular to the axial direction of the liner 100. At this time, the second support section 325 can abut against the outer wall of the liner 100. , plays a supporting role, and stably installs the second connecting member 500 while making the clamping portion 320 less deformed.

In a possible implementation, the insulating pad 300 is further provided with a connecting portion 330 , and the mounting portion 310 and the clamping portion 320 are connected through the connecting portion 330 .

Optionally, the width of the connecting part 330 is smaller than the width of the mounting part 310 and the clamping part 320 .

In the above embodiment, the installation part 310 and the clamping part 320 are connected through the connection part 330. After the electric water heater is installed, if the electric water heater is affected by a collision or vibration, the connection part 330 can effectively alleviate the impact of the collision or vibration on the inner tank 100. Influence.

In addition, the connecting portion 330 is smaller in size, which can effectively reduce the use of materials and further reduce the manufacturing cost of the inner liner bracket.

Optionally, a plurality of third heat insulation cavities 3101 are provided in the installation part 310. The plurality of third heat insulation cavities 3101 are in a rectangular array. The plurality of third heat insulation cavities 3101 can be installed without affecting the supporting function of the installation part 310. , has the effect of delaying the heat loss of the liner 100, and at the same time, further reduces the use of materials and reduces the production cost of the liner stent.

Referring to FIG. 6 , in a possible implementation, the connection bracket 200 includes a plug-in board 210 and two connection plates 220 respectively located on opposite sides of the plug-in board 210 . The plug-in board 210 is inserted into the clamping Within Department 320;

The connecting plate 220 has a flange 230 facing away from the plug-in board 210 , and the flange 230 is used to connect with the inner pot 100 .

Optionally, the flange 230 and the inner tank 100 are welded.

Here, the welding connection method can not damage the internal structure of the liner. At the same time, the welding connection performance is better, and the welding structure has high stiffness, making the connection between the flange and the liner more stable.

Optionally, reinforcing ribs 240 are provided at the intersection between the connecting plate 220 and the flange 230 , and grooves 250 are provided at the intersection between the connecting plate 220 and the plug-in board 210 .

In the above embodiment, the plug-in board 210 and the connecting plate 220 form a U-shaped connecting bracket 200 to facilitate the connection between the plug-in plate 210 and the clamping portion 320. The reinforcing ribs 240 and the grooves 250 work together to strengthen the connecting bracket. The stability of the connecting bracket 200 plays a strengthening role and improves the overall strength of the connecting bracket 200 .

Optionally, the number of liner brackets in an electric water heater is two, and the two liner brackets are parallel to each other and arranged at intervals.

Here, two liner brackets are provided to make the installation of the liner more stable and improve the seismic resistance of the liner.

Optionally, the insulating pad 300 is made of epoxy resin. Epoxy resin has the characteristics of good heat resistance, good electrical insulation, strong corrosion resistance, and low cost. It can meet the basic functions of the insulating pad 300. Under the premise, it has lower production cost.

The implementation principle of the liner bracket in the embodiment of the present application is as follows: when the staff installs the liner 100 of the electric water heater, they move the liner 100 toward the side closer to the clamping part 320, and pass the upper clamping section 322 and the lower clamping section. 323 and the first support section 321 work together to realize the insertion of the connecting bracket 200, and then realize the stable clamping of the connecting bracket 200 through the elastic snap joint 324, and then install the first connecting piece 400 and the second connecting piece 500. . During the installation process, there is no need for workers to connect the threaded holes of each part, and the inner tank 100 can be quickly and accurately connected, making the installation of the inner tank 100 easier and solving the complex problem of electric water heater installation. Other embodiments of the present application will be readily apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein.

This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary technical means in the technical field that are not disclosed in this application. . It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It is to be understood that the present application is not limited to the precise structures described above and illustrated in the accompanying drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (10)

1. An inner tank bracket, applied to an electric water heater. The electric water heater includes an inner tank and a shell that is coaxially and spaced outside the inner tank. It is characterized in that the inner tank bracket includes: a connecting bracket, Insulating pad, first connecting piece and second connecting piece; The connecting bracket is used to connect to the inner tank, the insulating pad includes a mounting part and a clamping part provided on one side of the mounting part, and part of the connecting bracket is inserted into the clamping part; The mounting part is provided with a first threaded sleeve, and the first connector is inserted into the first threaded sleeve through the shell for connecting the mounting part and the shell; the clamping A second threaded sleeve is provided on the part, and the second connecting piece is inserted into the second threaded sleeve through the shell for connecting the clamping part and the shell. 2. The liner holder according to claim 1, wherein the clamping portion includes a first support section, an upper clamping section and a lower clamping section, and the upper clamping section and the lower clamping section The upper clamping segment is arranged on the same side of the first support segment, and the upper clamping segment is parallel to the lower clamping segment to form a slot, and part of the connecting bracket is inserted into the slot. The second threaded sleeve is located on the upper clamping section. 3. The liner holder according to claim 2, wherein elastic clamping joints are provided on opposite sides of the lower clamping section, and the elastic clamping joints face the notch of the slot, and the elastic clamping joints face the notch of the slot. The elastic clamping joint is clamped with the side of the connecting bracket. 4. The inner bladder support according to claim 2, wherein at least one of the upper clamping section and the lower clamping section has a guide slope at an end facing away from the first support section. 5. The liner stent according to claim 4, wherein the surface of the upper clamping section facing the lower clamping section and the surface of the lower clamping section facing the upper clamping section are both At least one guide rib is provided. 6. The liner holder according to claim 2, wherein the upper clamping section is provided with a plurality of first heat insulation cavities; At least one second heat insulation cavity is provided in the lower clamping section. 7. The liner holder according to claim 2, wherein the clamping portion further includes at least one second support section, and the second support section is disposed on the lower clamping section away from the upper clamp. The surface of the holding segment. 8. The liner bracket according to claim 1, wherein the insulating pad is further provided with a connecting portion, and the mounting portion and the clamping portion are connected through the connecting portion. 9. The liner bracket according to claim 1, wherein the connection bracket includes a plug-in plate and two connection plates located on opposite sides of the plug-in plate, and the plug-in plate is inserted into in the clamping part; The connecting plate has a flange facing away from the plug-in board, and the flange is used to connect with the inner tank. 10. The liner bracket according to claim 9, characterized in that reinforcing ribs are provided at the intersection between the connecting plate and the flange, and grooves are provided at the intersection between the connecting plate and the plug-in plate. .