CN219493507U - Multilayer heat insulation assembly - Google Patents

Abstract

The utility model relates to the technical field of layered products, in particular to a multi-layer heat insulation component which has good heat insulation performance, a connecting piece is used for connecting a bottom layer and the heat insulation component, an inner core which can move up and down along the axial direction is arranged in a rod part of the connecting piece, a plurality of partition boards are arranged on the side wall of the rod part, the partition boards can be driven to extend out of the rod part through the inner core, the partition boards extending out of the rod part are clamped in an air layer and serve as supporting pieces between two heat insulation layers, and compared with the traditional gasket structure, complicated procedures such as gasket positioning are not needed, the operation difficulty of the connecting piece is lower, and the installation efficiency of the bottom layer and the heat insulation component can be effectively improved.

Description

Multilayer heat insulation assembly

Technical Field

The utility model relates to the technical field of layered products, in particular to a multi-layer heat insulation assembly.

Background

In order to improve the heat insulation effect of the bottom layer, a heat insulation layer is generally covered on the bottom layer, and the fixing modes of the heat insulation layer mainly include the following steps: the first is fixed by nylon fastener tape; the second is fixed by a pin, as shown in fig. 1 and 2, the pin 81 is provided with a base 811 and a pin rod 812, the upper end of the pin rod 812 is provided with an annular clamping groove 813, the base 811 is firstly adhered to the bottom layer 11 by glue, then the pin rod 812 passes through the heat insulation layer 22, and finally the clamping plate 82 is clamped on the clamping groove 813; thirdly, the flat head pin 91 is fixed through the flat head pin, as shown in fig. 3 and 4, the flat head pin 91 is provided with a head part, a pin rod and a thread part, the flat head pin 91 penetrates through the heat insulation layer 22 and then is connected with the bottom layer 11, in order to form an air layer between the heat insulation layer 22 and the bottom layer 11 and improve the heat insulation effect, silicone rubber 71 is also required to be coated on the edge of the head part of the flat head pin 91, the head part of the flat head pin 91 can lift the heat insulation layer 22 after the silicone rubber 71 is solidified so as to ensure the whole size of the whole heat insulation structure, and the air layer is formed between the bottom part of the heat insulation layer 22 and the bottom layer 11; fourth, as shown in fig. 5 and 6, the flat head pin 91 has a head, a pin rod and a screw portion, and the flat head pin 91 passes through the heat insulation layers 22 and is connected to the bottom layer 11, and in order to form an air layer between the heat insulation layers 22, a spacer 92 is further sleeved outside the pin rod of the flat head pin 91, and an air layer is formed between two adjacent heat insulation layers 22 by the support of the spacer 92, so as to improve the overall heat insulation effect.

The fourth structure is that the gasket 92 needs to be placed in a predetermined position in advance by the flat head pin and the gasket, and the pin rod of the flat head pin 91 passes through the gasket 92 with great alignment difficulty, which results in low overall installation efficiency, therefore, a multi-layer heat insulation assembly is needed, and the above problems can be solved.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present utility model aims to provide a multi-layer heat insulation assembly, so as to solve the problems of high difficulty in fixing a conventional bottom layer and a heat insulation layer and low installation efficiency.

A multi-layer heat insulation assembly comprising a bottom layer, a heat insulation assembly and a connecting piece, wherein an air layer is arranged between the bottom layer and the heat insulation assembly, the heat insulation assembly comprises a plurality of heat insulation layers, and the air layer is arranged between every two heat insulation layers;

the connecting piece includes with the installation department that the bottom is connected, connect in installation department upper end and pass the pole portion of thermal-insulated subassembly and connect at the first head of pole portion upper end, be equipped with in the pole portion can follow the axial activity inner core, the lateral wall of pole portion is equipped with a plurality of by the inner core drive and can stretch out the baffle in the pole portion outside, stretch out the baffle in the pole portion outside still block in the air bed.

Specifically, the heat insulation layer is of a honeycomb structure.

Specifically, the baffle orientation inner core one end is connected with the extension rod, extension rod one end is connected with the stopper, the outside of extension rod still overlaps and is equipped with the spring, spring one end with the stopper contacts, the other end with the inner wall contact of pole portion, the inner core includes the dabber, connects the screw thread portion of dabber upper end and connects the second head of screw thread portion upper end, form in the pole portion and supply the hole of inner core activity, the hole upper end be equipped with screw thread portion matched with first screw, be equipped with a plurality of being used for promoting on the dabber the guiding part of stopper, the guiding part is round platform column structure.

Specifically, the top of the first screw hole is communicated with the outside.

Specifically, the outside of first head is equipped with the ring channel, the ring channel position is filled with silicone rubber, the silicone rubber bottom with the insulating layer bonds.

Specifically, the first head is a rotating head, and the first head is provided with a jack for the tool bit of the screwdriver to be matched with.

Specifically, the jack is a cross hole or a hexagonal hole.

Specifically, the first head is a pressing head.

Specifically, the installation department with bottom threaded connection, the installation department has the external screw thread, be equipped with on the bottom with external screw thread matched with second screw.

Specifically, the installation department with the bottom lock is connected, the installation department has the buckle, be equipped with on the bottom with buckle matched with detain the hole.

The utility model has the beneficial effects that:

the multilayer heat insulation component has good heat insulation performance; and utilize connecting piece to connect bottom and thermal-insulated subassembly, be equipped with the inner core that can follow the axial and reciprocate in the pole portion of connecting piece, the lateral wall of pole portion is equipped with a plurality of baffles, can order about the baffle to stretch out to the outside of pole portion through the inner core, and stretch out the baffle outside the pole portion still block in the air bed to as the support piece between two insulating layers, compare traditional gasket structure, need not to carry out loaded down with trivial details processes such as gasket location, the operation degree of difficulty of adopting the connecting piece is lower, can effectively improve the installation effectiveness of bottom and thermal-insulated subassembly.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a perspective view of a pin and a card of the prior art;

FIG. 2 is a cross-sectional view of a base layer and a thermal insulating layer secured by pin and card engagement;

FIG. 3 is a perspective view of a prior art kingpin;

FIG. 4 is a cross-sectional view of a base layer and an insulating layer using flat head pins;

FIG. 5 is a perspective view of a prior art tack pin and shim;

FIG. 6 is a cross-sectional block diagram of a base layer and a plurality of insulation layers secured with flat head pins in cooperation with shims;

FIG. 7 is a cross-sectional structural view of the multi-layered insulation assembly of example 1;

fig. 8 is a sectional structural view of the connector of embodiment 1;

FIG. 9 is an enlarged view of portion A of FIG. 8;

fig. 10 is an exploded view of the connector of example 1;

fig. 11 is an exploded view of the connector of example 2.

The reference numerals are: bottom layers 10, 11; an insulation assembly 20; a connecting member 30; an air layer 40; insulation layers 21, 22; a mounting portion 31; a stem portion 32; a first head 33; an inner core 50; a partition 61; an extension rod 62; a stopper 63; a spring 64; a mandrel 51; a screw portion 52; a second head 53; an inner bore 321; a guide 511; an annular groove 331; silicone rubbers 70, 71; a jack 332; an external thread 311; a clasp 312; a pin 81; a base 811; a pin rod 812; a card slot 813; a clamping plate 82; a flat head pin 91; a spacer 92.

Detailed Description

The present utility model provides a multi-layer heat insulation assembly, and for the purpose, technical scheme and effect of the present utility model to be more clear and definite, the present utility model will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Example 1

Please refer to fig. 7 to 10: the embodiment discloses a multi-layer heat insulation assembly, which comprises a bottom layer 10, a heat insulation assembly 20 and a connecting piece 30, wherein an air layer 40 is arranged between the bottom layer 10 and the heat insulation assembly 20, the heat insulation assembly 20 comprises a plurality of heat insulation layers 21, and an air layer 40 is arranged between every two heat insulation layers 21.

The multi-layer heat insulating assembly disclosed in this embodiment adopts a plurality of heat insulating layers 21, and an air layer 40 is provided between the bottom layer 10 and the heat insulating assembly 20, and an air layer 40 is provided between every two heat insulating layers 21, so that the whole has good heat insulating performance.

The connection member 30 includes a mounting portion 31 connected to the base layer 10, a rod portion 32 connected to an upper end of the mounting portion 31 and penetrating through the heat insulation member 20, and a first head portion 33 connected to an upper end of the rod portion 32, an axially movable core 50 is provided in the rod portion 32, a plurality of spacers 61 driven by the core 50 and extending outside the rod portion 32 are provided on a side wall of the rod portion 32, and the spacers 61 extending outside the rod portion 32 are also caught in the air layer 40.

The multilayer heat insulation assembly disclosed in this embodiment, the bottom layer 10 may be applied in an aerospace vehicle, as a structural cabin board of the aerospace vehicle, in order to make the aerospace vehicle have good heat insulation performance, the heat insulation assembly 20 is added, and the bottom layer 10 and the heat insulation assembly 20 are connected by using the connecting piece 30, the connecting piece 30 includes the mounting portion 31, the rod portion 32 and the first head 33, the inner core 50 capable of moving up and down along the axial direction is arranged in the rod portion 32, the side wall of the rod portion 32 is provided with the plurality of partition boards 61, the partition boards 61 can be driven to extend out of the rod portion 32 through the inner core 50, the partition boards 61 extending out of the rod portion 32 are clamped in the air layer 40, and are used as support pieces between the two heat insulation layers 21, compared with the traditional gasket structure, complicated procedures such as gasket positioning are not needed, the operation difficulty of adopting the connecting piece is lower, and the installation efficiency of the bottom layer 10 and the heat insulation assembly 20 can be effectively improved.

In this embodiment, the heat insulation layer 21 is in a honeycomb structure, the volume of the solid part of the heat insulation layer 21 is only 3% -10%, and the rest of the space is sealed gas, so that the heat insulation layer 21 has good heat insulation performance due to the heat insulation capability of the gas being better than that of most solid materials.

In this embodiment, the partition 61 is connected with the extension rod 62 towards one end of the inner core 50, one end of the extension rod 62 is connected with the limiting block 63, the outer side of the extension rod 62 is further sleeved with the spring 64, one end of the spring 64 contacts with the limiting block 63, the other end contacts with the inner wall of the rod 32, an arc-shaped groove for accommodating the partition 61 during installation is also required to be formed on the outer side surface of the rod 32, a movable hole communicated with the interior of the rod 32 is connected with the inner side of the arc-shaped groove and is used for enabling the extension rod 62 to stretch out and draw back, before the connecting piece 30 is installed, the limiting block 63 is not pushed by the inner core 50, under the elastic force of the spring 64, the limiting block 63 is pushed to the axial direction of the rod 32 by the spring 64, so that the partition 61 is accommodated in the arc-shaped groove, the influence of the rod 32 passing through the heat insulation layer 21 after the partition 61 stretches out is avoided, and smooth installation is ensured.

In this embodiment, the inner core 50 includes a mandrel 51, a threaded portion 52 connected to the upper end of the mandrel 51, and a second head 53 connected to the upper end of the threaded portion 52, an inner hole 321 for moving the inner core 50 is formed in the rod portion 32, a first screw hole matched with the threaded portion 52 is provided at the upper end of the inner hole 321, and by rotating the mandrel 51, the inner core 50 can move up and down due to the threaded engagement of the threaded portion 52 and the first screw hole, so that the position of the inner core 50 in the inner hole 321 along the axial direction is adjusted, the structure is simple, and the adjustment difficulty is low.

In this embodiment, the mandrel 51 is provided with a plurality of guiding portions 511 for pushing the limiting block 63, the guiding portions 511 are in a truncated cone-shaped structure, when the mandrel 51 moves downward, the guiding portions 511 contact with the limiting block 63 and gradually push the limiting block 63 to the outside of the rod portion 32, in the actual installation process, when the installation portion 31 of the connecting piece 30 passes through the plurality of heat insulation layers 21 and is fixed with the bottom layer 10, each two heat insulation layers 21 can be separated by a tool in advance, so that an air layer 40 is formed between the two heat insulation layers 21, the inner core 50 is rotated, the partition board 61 is gradually pushed to the outside of the rod portion 32 by using the guiding portions 511, the partition board 61 is clamped in the air layer 40, the structure is ingenious, and the installation difficulty is low.

In this embodiment, the outside of the first head 33 is provided with the annular groove 331, the position of the annular groove 331 is filled with the silicone rubber 70, the bottom of the silicone rubber 70 is adhered to the heat insulation layer 21, the silicone rubber 70 has a strong adhesion effect on the heat insulation layer 21 after solidification, the heat insulation layer 21 on the uppermost layer can be lifted, the influence on the overall size due to the long-term use of the heat insulation layer 21 on the uppermost layer is avoided, the increased annular groove 331 is caused, and the part of the solidified silicone rubber 70 is clamped into the annular groove 331, so that the separation of the silicone rubber 70 and the first head 33 can be prevented.

In this embodiment, the first head 33 is a rotating head, the first head 33 is provided with a jack 332 for matching with a tool bit of a screwdriver, the first screw hole is formed at the bottom of the jack 332, and the size of the jack 332 is larger than that of the first screw hole, so that the top of the first screw hole is communicated with the outside, when a user installs the connecting piece 30, the user can screw the connecting piece 30 by using the screwdriver matched with the jack 332, so that the installation portion 31 of the connecting piece 30 is in threaded connection with the bottom layer 10, and when the inner core 50 needs to be screwed later, the user can screw the inner core 50 after the screwdriver passes through the jack 332, so that the installation efficiency is high.

The insertion hole 332 may be designed as a cross hole or a hexagonal hole, and the insertion hole 332 adopted in this embodiment is a hexagonal hole, and correspondingly, a hexagonal screwdriver is required to be used for assembly.

In this embodiment, the mounting portion 31 is screwed to the bottom layer 10, the mounting portion 31 has an external thread 311, the bottom layer 10 is provided with a second screw hole matched with the external thread 311, and the mounting portion 31 is fixed to the bottom layer 10 by screwing, so that the mounting portion and the bottom layer are easy to be detached.

Example 2

This embodiment differs from embodiment 1 in that: referring to fig. 11, the first head 33 is a pressing head, the top of the first screw hole directly penetrates through the upper end of the first head 33, the mounting part 31 and the bottom layer 10 are connected by means of fastening, the mounting part 31 is provided with a fastener 312, the bottom layer 10 is provided with a fastening hole matched with the fastener 312, when the user installs the device, the user presses the pressing head to fasten the fastener 312 to the fastening hole of the bottom layer 10, and therefore the device can be installed with high installation efficiency.

While the preferred embodiment of the present utility model has been described in detail, the utility model is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the utility model, and these equivalent modifications and substitutions are intended to be included in the scope of the utility model as defined in the appended claims.

Claims (10)

1. A multilayer heat insulation assembly, characterized by comprising a bottom layer (10), a heat insulation assembly (20) and connecting pieces (30), wherein an air layer (40) is arranged between the bottom layer (10) and the heat insulation assembly (20), the heat insulation assembly (20) comprises a plurality of heat insulation layers (21), and the air layer (40) is arranged between every two heat insulation layers (21);

the connecting piece (30) comprises a mounting part (31) connected with the bottom layer (10), a rod part (32) connected with the upper end of the mounting part (31) and penetrating through the heat insulation assembly (20) and a first head part (33) connected with the upper end of the rod part (32), an inner core (50) capable of moving along the axial direction is arranged in the rod part (32), a plurality of partition boards (61) which are driven by the inner core (50) and can extend out of the outer side of the rod part (32) are arranged on the side wall of the rod part (32), and the partition boards (61) extending out of the outer side of the rod part (32) are clamped in the air layer (40).

2. A multilayer insulation assembly according to claim 1, characterized in that the insulation layer (21) is of honeycomb structure.

3. The multilayer heat insulation assembly according to claim 1, wherein the partition board (61) is connected with an extension rod (62) towards one end of the inner core (50), one end of the extension rod (62) is connected with a limiting block (63), a spring (64) is further sleeved on the outer side of the extension rod (62), one end of the spring (64) is in contact with the limiting block (63), the other end of the spring is in contact with the inner wall of the rod (32), the inner core (50) comprises a mandrel (51), a threaded portion (52) connected to the upper end of the mandrel (51) and a second head (53) connected to the upper end of the threaded portion (52), an inner hole (321) for the inner core (50) to move is formed in the rod (32), a first screw hole matched with the threaded portion (52) is formed in the upper end of the inner hole (321), a plurality of guide portions (511) for pushing the limiting block (63) are arranged on the mandrel (51), and the guide portions (511) are in a circular truncated cone-shaped structure.

4. A multi-layered heat insulation assembly according to claim 3 wherein the top of the first screw hole is open to the outside.

5. A multi-layer insulation assembly according to claim 1, wherein an annular groove (331) is arranged on the outer side of the first head (33), the position of the annular groove (331) is filled with silicone rubber (70), and the bottom of the silicone rubber (70) is adhered to the insulation layer (21).

6. A multi-layered heat insulation assembly according to claim 1, wherein the first head (33) is a rotating head, and the first head (33) is provided with a socket (332) for the tool bit of a screwdriver to be matched with.

7. A multi-layer insulation assembly according to claim 6, wherein the receptacle (332) is a cross-hole or a hexagonal hole.

8. A multi-layered insulation assembly according to claim 1, wherein the first head (33) is a pressing head.

9. A multi-layered heat insulation assembly according to claim 1, wherein the mounting portion (31) is screwed with the bottom layer (10), the mounting portion (31) has an external thread (311), and the bottom layer (10) is provided with a second screw hole matching with the external thread (311).

10. The multi-layer heat insulation assembly according to claim 1, wherein the mounting portion (31) is in buckling connection with the bottom layer (10), the mounting portion (31) is provided with a buckle (312), and the bottom layer (10) is provided with a buckling hole matched with the buckle (312).