CN219451079U

CN219451079U - Cold storage insulation board connection structure and nylon bolt

Info

Publication number: CN219451079U
Application number: CN202320307234.5U
Authority: CN
Inventors: 樊建坤; 刘天平; 周伟; 何长斌; 肖林鹏
Original assignee: Fourth Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: Fourth Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-08-01
Anticipated expiration: 2033-02-24

Abstract

The utility model discloses a nylon bolt, which comprises a bolt body and a screw rod, wherein the bolt body comprises a head end and a rod end which are connected together, one end of the screw rod is fixedly connected with the rod end, the other end of the screw rod is provided with external threads, the bolt body is of a PVDF or polypropylene structure, and the screw rod is of a metal rod. The nylon bolt provided by the utility model has the advantages that the heat in a storehouse is prevented from leaking out through the bolt, the loss of temperature is reduced, and the service life of the connecting bolt of the heat insulation board is prolonged. The utility model also provides a connecting structure of the cold storage heat preservation plate.

Description

Cold storage insulation board connection structure and nylon bolt

Technical Field

The utility model relates to the technical field of refrigeration house building structures, in particular to a refrigeration house heat insulation plate connecting structure and a nylon bolt.

Background

The cold storage is one kind of refrigerating equipment, and is to create environment with different outdoor temperature or humidity manually. The large-scale refrigeration house comprises a steel structure framework and is assisted by a heat insulation board.

The heat-insulating plate of the refrigeration house and the steel structure are generally rigidly and fixedly connected through metal bolts, and good air tightness cannot be ensured at the penetrating and fixing positions of the metal bolts; meanwhile, when the metal bolt penetrates through the heat insulation plate, the metal bolt also becomes a cold bridge, and heat in a warehouse can leak through the cold bridge generated by the metal bolt, so that the temperature is lost, and the heat insulation performance is reduced. Meanwhile, the strength of the nylon screw in the prior art is far smaller than that of a common metal bolt, and the risk of sliding teeth or head breakage exists due to overlarge torsion.

Disclosure of Invention

In view of the above, the utility model provides the nylon bolt, which avoids the heat in a warehouse from leaking out through the bolt, reduces the loss of temperature and prolongs the service life of the connecting bolt of the heat insulation board.

The utility model also provides a connecting structure of the cold storage heat preservation plate, which comprises the nylon bolt.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a nylon bolt, comprising:

the bolt body comprises a head end and a rod end which are connected together;

one end of the screw rod is fixedly connected with the rod end, and the other end of the screw rod is provided with external threads;

the bolt body is of a PVDF or polypropylene structure, and the screw is a metal rod.

Optionally, the end portion of the bolt body, which is connected with the screw rod, is provided with a plug hole, the plug hole is arranged along the axial direction of the screw rod, one end of the screw rod is plugged in the plug hole, and the end of the screw rod is welded with the screw rod end.

Optionally, the head end and the rod end of the bolt body are both cylinders, the diameter size of the head end is larger than that of the rod end, and the length size of the head end is smaller than that of the rod end;

the rod end is a polished rod.

Optionally, the screw rod comprises a limiting section and a connecting section which are connected together, wherein the limiting section is inserted into the insertion hole, and the connecting section is arranged outside the insertion hole;

the outer surface of the connecting section is provided with external threads.

Optionally, the diameter of the screw is smaller than the diameter of the rod end of the screw body.

According to the technical scheme, the nylon bolt comprises the bolt body and the screw rod which are fixedly connected together, the screw rod is a metal rod, and external threads are arranged on the screw rod, so that connection with a connecting piece is achieved, and the connecting piece is a nut. The bolt body is PVDF or polypropylene structure, has insulativity, good heat insulation, poor heat conductivity, and can avoid the leakage of heat in the storehouse through the cold bridge formed by the bolts, reduce the loss of temperature, and have better heat preservation performance. The nylon bolt is used for setting the screw rod of metal material with the position that the nut is connected, and intensity is big to avoided the too big sliding tooth or the cracked risk of head that produces of torsion with nut junction portion, prolonged heated board connecting bolt's life.

The utility model also provides a connecting structure of the heat insulation plate of the refrigeration house, which comprises the following steps:

a thermal insulation board;

the first connecting bolt is arranged on the heat insulation board in a penetrating way;

the first connecting plate is connected with the heat insulation plate through the first connecting bolt, and is connected with the wall surface supporting structure or the suspended ceiling supporting structure through the second connecting bolt;

the first connecting bolt is the nylon bolt.

Optionally, the wall support structure includes:

the transverse keel is connected with the first connecting plate through a second connecting bolt;

the vertical keels are connected with the transverse keels through second connecting plates;

the vertical keels are connected with embedded bolts embedded in the wall body.

Optionally, the embedded bolt is connected with a third connecting plate, and the third connecting plate is connected with the vertical keel through a connecting column;

one end of the connecting column is welded with the vertical keel, and the other end of the connecting column is welded with the third connecting plate.

Optionally, the ceiling support structure includes:

the suspended ceiling keel is connected with the first connecting plate through a second connecting bolt;

and the suspended ceiling purline is connected with the suspended ceiling keel through a connecting stud.

Optionally, the first connecting plate is wrapped on the outer surface of the ceiling keel.

The connecting structure of the cold storage heat insulation plate comprises the nylon bolt, so that the connecting structure has the advantages of the nylon bolt and is not repeated here.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a nylon bolt according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a bolt body according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a partial cross-sectional structure of a bolt body according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a screw according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of a top view structure of a connection structure of a heat insulation plate of a refrigeration house and a wall body according to an embodiment of the present utility model;

fig. 6 is an enlarged schematic view of the portion a in fig. 5;

fig. 7 is a schematic diagram of a left-hand structure of a connection structure of a heat insulation plate of a refrigeration house and a wall body according to an embodiment of the present utility model;

fig. 8 is a schematic structural diagram of connection between a connection structure of a heat insulation board of a refrigerator and a suspended ceiling according to an embodiment of the present utility model.

Wherein:

1. the bolt body is provided with a bolt body,

101. the head end, 102, the rod end, 103 and the plug hole,

2. the screw rod is provided with a screw rod,

201. a limiting section, a 202 and a connecting section,

3. the first connecting plate is provided with a first connecting plate,

4. a transverse keel is arranged on the side of the transverse keel,

5. the heat-insulating board is arranged on the inner side of the heat-insulating board,

6. a second connecting plate is arranged on the second connecting plate,

7. a vertical keel is arranged on the vertical keel,

8. the connecting column is connected with the connecting column,

9. a third connecting plate is arranged on the upper surface of the first connecting plate,

10. the bolts are pre-buried,

11. the connecting nut is connected with the connecting nut,

12. the gasket is provided with a plurality of grooves,

13. the wall body is provided with a plurality of grooves,

14. a suspended ceiling keel, wherein the suspended ceiling keel comprises a suspended ceiling keel,

15. the connecting stud is connected with the connecting device,

16. a fourth connecting plate, which is provided with a first connecting plate,

17. suspended ceiling purlin.

Detailed Description

The utility model discloses a nylon bolt, which prevents heat in a storehouse from leaking out through the bolt, reduces the loss of temperature and prolongs the service life of a connecting bolt of an insulation board.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the nylon bolt of the present utility model includes a bolt body 1 and a screw 2. The bolt body 1 comprises a head end 101 and a rod end 102 which are connected together, one end of the bolt 2 is fixedly connected with the rod end 102, and the other end is provided with external threads. The bolt body 1 is of a PVDF or polypropylene structure, and the screw rod 2 is of a metal rod.

Wherein, head end 101 and rod end 102 set up coaxially, and bolt body 1 and screw rod 2 set up coaxially. The screw rod 2 is far away from the cold cavity of the refrigerator, and the screw bolt body 1 is close to the cold cavity of the refrigerator.

The nylon bolt comprises a bolt body 1 and a screw rod 2 which are fixedly connected together, wherein the screw rod 2 is a metal rod, and external threads are arranged on the screw rod, so that the nylon bolt is connected with a connecting piece, and the connecting piece is a nut. The bolt body 1 is of a PVDF or polypropylene structure, has insulativity, good heat insulation and poor heat conductivity, avoids heat in a storehouse from leaking out through a bolt cold bridge, reduces temperature loss, and has better heat preservation performance. The nylon bolt is used for setting the screw rod 2 of metal material with the position that the nut is connected, and intensity is big to avoided the too big sliding tooth or the cracked risk of head that produces of torsion with the nut junction portion, prolonged heated board connecting bolt's life.

The end of the rod end 102 of the bolt body 1, which is connected with the screw rod 2, is provided with the plug hole 103, as shown in fig. 2 and 3, the plug hole 103 is arranged along the axial direction of the rod end 102, and the axis of the plug hole 103 is coincident with the axis of the rod end 102, so that the uniform wall thickness of the rod end 102 is ensured, the structural strength is better, and meanwhile, the machining of the plug hole 103 is facilitated. During connection, one end of the screw rod 2 is inserted into the insertion hole 103, and the end of the screw rod 2 is welded with the rod end 102, so that the fixed connection between the screw bolt body 1 and the screw rod 2 is realized.

In one embodiment, the head end 101 and the rod end 102 of the bolt body 1 are both cylinders, the diameter dimension of the head end 101 is larger than the diameter dimension of the rod end 102, and the length dimension of the head end 101 is smaller than the length dimension of the rod end 102. Rod end 102 is a polished rod. In other embodiments, rod end 102 may not be a polished rod, as is not limited herein.

Further, as shown in fig. 4, the screw 2 includes a limiting section 201 and a connecting section 202 connected together, the limiting section 201 is inserted into the insertion hole 103, the connecting section 202 is disposed outside the insertion hole 103, and an external thread is disposed on an outer surface of the connecting section 202, so that the screw is connected with a nut conveniently.

For easy installation in use, the diameter of the screw rod 2 is smaller than the diameter of the rod end 102 of the bolt body 1, and simultaneously, the weight of the bolt is reduced, and the loss of temperature is reduced.

The nylon bolt provided by the utility model comprises the bolt body 1 with good heat insulation and the screw rod 2 made of metal with high strength, so that the heat insulation requirement is met, and the structural strength requirement is met. The nylon bolt disclosed by the utility model has the advantages of good insulating property, no electric conduction, no magnetism, good heat insulation, corrosion resistance, no signal interference such as vortex and the like under the influence of current or other electric signals, and good anti-interference performance.

The utility model also provides a connecting structure of the cold storage heat insulation plate, which is shown in fig. 5 to 8, and comprises a heat insulation plate 5, a first connecting bolt and a first connecting plate 3, wherein the first connecting bolt is arranged on the heat insulation plate 5 in a penetrating way, the first connecting plate 3 is connected with the heat insulation plate 5 through the first connecting bolt, and the first connecting plate 3 is connected with a wall surface supporting structure or a suspended ceiling supporting structure through a second connecting bolt. The first connecting bolt is the nylon bolt. The bolt body 1 of first connecting bolt sets up in the heated board 5 and is close to the position in storehouse in the freezer, the screw rod of first connecting bolt 2 sets up in the heated board 5 and is close to wall bearing structure or furred ceiling bearing structure's one side. Because the first connecting bolt is the nylon bolt, heat in a storehouse is prevented from leaking through the bolt, the loss of temperature is reduced, the heat insulation performance is better, the strength of the connecting position of the first connecting bolt and the nut is improved, the risk of sliding teeth or head breakage caused by overlarge torsion of the connecting part of the bolt and the nut is avoided, and the service life of the connecting bolt of the heat insulation board is prolonged.

Wherein, wall bearing structure includes horizontal fossil fragments 4 and vertical fossil fragments 7, and as shown in fig. 5 to 7, horizontal fossil fragments 4 are connected with first connecting plate 3 through the second connecting bolt, and vertical fossil fragments 7 are connected through second connecting plate 6 with horizontal fossil fragments 4. One end of the second connecting plate 6 is welded with the vertical keel 7, and the other end is connected with the transverse keel 4 through a third connecting bolt. In order to reduce the connection difficulty, the hole in the second connecting plate 6 through which the third connecting bolt passes is a waist-shaped hole. The vertical keel 7 is connected with an embedded bolt 10 embedded in a wall 13.

Further, the embedded bolts 10 are connected with the third connecting plate 9, and the third connecting plate 9 is connected with the vertical keels 7 through the connecting columns 8. One end of the connecting column 8 is welded with the vertical keel 7, and the other end is welded with the third connecting plate 9.

In an embodiment, the connecting column 8 is a channel steel, the transverse keels 4 are hollow columns welded by steel plates and have rectangular cross sections, the vertical keels 7 are also hollow columns welded by steel plates and have rectangular cross sections, the size of the concrete hollow columns is set by a person skilled in the art according to the requirements, and the thickness of the steel plates is set according to the requirements. The third connecting plate 9 is a galvanized steel sheet. The heat preservation board 5 is a metal sandwich board.

The first connecting plate 3 in the wall supporting structure is an L-shaped plate, one folded edge of the L-shaped plate is connected with the first connecting bolt, and the other folded edge is connected with the transverse keel 4. In order to protect the surface of the heat insulation board 5 and the surface of the first connecting board 3 and avoid loosening of the connecting nuts 11, gaskets 12 are arranged on the upper surface and the lower surface of the position where the L-shaped board is connected with the first connecting bolt, the end part of the screw rod 2 of the first connecting bolt is connected with the connecting nuts 11, and the connecting nuts 11 are pressed on the gaskets 12.

Specifically, as shown in fig. 8, the suspended ceiling supporting structure includes a suspended ceiling keel 14 and a suspended ceiling purline 17, the suspended ceiling keel 14 is connected with the first connecting plate 3 through a second connecting bolt, and the suspended ceiling purline 17 is connected with the suspended ceiling keel 14 through a connecting stud 15. In order to ensure connection reliability, the first connecting plate 3 is wrapped on the outer surface of the suspended ceiling keel 14, and the first connecting plate 3 is connected to the suspended ceiling keel 14 through self-tapping screws and then welded. The connecting stud 15 is connected to a suspended ceiling purlin 17 by a fourth connecting plate 16.

The connecting structure of the cold storage heat preservation plate comprises the nylon bolt, so that the connecting structure has the advantages of the nylon bolt and is not repeated here.

In the description of the present embodiment, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present embodiment.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present embodiment, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A nylon bolt, comprising:

the bolt body comprises a head end and a rod end which are connected together;

2. The nylon bolt according to claim 1, wherein a plug hole is formed in an end portion of the bolt body, at which the rod end is connected with the screw rod, the plug hole is formed in an axial direction of the rod end, one end of the screw rod is plugged into the plug hole, and the end of the screw rod is welded with the rod end.

3. Nylon bolt according to claim 1 or 2, characterized in that the head end and the rod end of the bolt body are both cylindrical, the diameter dimension of the head end being greater than the diameter dimension of the rod end, the length dimension of the head end being smaller than the length dimension of the rod end;

the rod end is a polished rod.

4. The nylon bolt of claim 2, wherein the screw comprises a limit section and a connection section which are connected together, the limit section is inserted into the insertion hole, and the connection section is arranged outside the insertion hole;

the outer surface of the connecting section is provided with external threads.

5. The nylon bolt of claim 1, wherein the diameter of the bolt shank is less than the diameter of the shank end of the bolt body.

6. The utility model provides a freezer heated board connection structure which characterized in that includes:

a thermal insulation board;

the first connecting bolt is the nylon bolt of any one of claims 1-5.

7. The refrigeration and insulation board connection structure according to claim 6, wherein the wall surface support structure comprises:

the vertical keels are connected with embedded bolts embedded in the wall body.

8. The connection structure of heat insulation plates of a refrigerator according to claim 7, wherein the embedded bolts are connected with a third connection plate, and the third connection plate is connected with the vertical keels through connection posts;

9. The refrigeration and insulation board connection structure of claim 6, wherein the ceiling support structure comprises:

10. The refrigeration and insulation board connection structure according to claim 9, wherein the first connection board is wrapped on the outer surface of the ceiling joist.