Ventilation slot composed of caprolactam and fiber reaction pultrusion profile and refrigerator car

Abstract

The utility model provides a ventilation slot composed of caprolactam and fiber reaction pultrusion profiles and a refrigerator car, and in ventilation slot modules sequentially connected with the ventilation slot composed of caprolactam and fiber reaction pultrusion profiles, the ventilation slot modules are sequentially connected with the ventilation slot modules. The first ventilation slot stand column, the second ventilation slot stand column and the third ventilation slot stand column are arranged at the bottom of the ventilation slot top plate at intervals, the first ventilation slot bottom plate is fixed to the bottom of the first ventilation slot stand column, the second ventilation slot bottom plate is fixed to the bottom of the second ventilation slot stand column, and the third ventilation slot bottom plate is fixed to the bottom of the third ventilation slot stand column. The caprolactam and fiber reaction pultrusion profile comprises axial cloth, chopped strand mat, fiber cloth, glass fiber yarn and hemming mat which are sequentially stacked, so that a composite material formed by the axial cloth, the chopped strand mat, the fiber cloth, the glass fiber yarn and the hemming mat is used for forming a ventilation slot used in a refrigerator car, and the service life of the ventilation slot is prolonged.

Description

Technical Field

[0001] The present application relates to the technical field of profiles, and in particular to a ventilation trough and a refrigerated truck composed of a caprolactam and fiber reaction pultruded profile. Background Art

[0002] At present, the cargo box of refrigerated trucks is fully enclosed and equipped with a refrigeration unit. Refrigerated trucks are usually used to transport frozen food, dairy products, vegetables and fruits, and / or vaccines and medicines. Adding ventilation slots in the cargo box of refrigerated trucks can make it easier for cold air to flow to various locations inside the cargo box, better ensuring the temperature balance inside the box. Utility Model Content

[0003] In order to solve the above problems, the purpose of the embodiments of the present application is to provide a ventilation trough and a refrigerated truck composed of a caprolactam and fiber reaction pultruded profile.

[0004] In a first aspect, an embodiment of the present application provides a ventilation slot composed of a caprolactam and fiber reaction pultruded profile, including: a plurality of ventilation slot modules;

[0005] The ventilation slot modules in the plurality of ventilation slot modules are connected in sequence;

[0006] Each of the ventilation slot modules comprises: a ventilation slot top plate, a first ventilation slot bottom plate, a second ventilation slot bottom plate, a third ventilation slot bottom plate, a first ventilation slot column, a second ventilation slot column, and a third ventilation slot column;

[0007] The first ventilation slot column, the second ventilation slot column, and the third ventilation slot column are spaced apart at the bottom of the ventilation slot top plate, wherein the spacing distance between the first ventilation slot column and the second ventilation slot column is the same as the spacing distance between the second ventilation slot column and the third ventilation slot column;

[0008] The first ventilation slot bottom plate is fixed to the bottom of the first ventilation slot column, the second ventilation slot bottom plate is fixed to the bottom of the second ventilation slot column, and the third ventilation slot bottom plate is fixed to the bottom of the third ventilation slot column, wherein the spacing distance between the first ventilation slot bottom plate and the second ventilation slot bottom plate is the same as the spacing distance between the second ventilation slot bottom plate and the third ventilation slot bottom plate;

[0009] The ventilation slot top plate, the first ventilation slot bottom plate, the second ventilation slot bottom plate, the third ventilation slot bottom plate, the first ventilation slot column, the second ventilation slot column, and the third ventilation slot column are all pultruded profiles made of caprolactam and fiber reaction;

[0010] The caprolactam and fiber reaction pultrusion profile comprises: axial cloth, chopped strand mat, fiber cloth, glass fiber yarn and seam edge mat stacked in sequence.

[0011] In a second aspect, the embodiments of the present application further provide a ventilation slot composed of a caprolactam and fiber reaction pultruded profile, comprising: a plurality of ventilation slot assemblies;

[0012] Each ventilation slot assembly in the plurality of ventilation slot assemblies is connected in sequence;

[0013] Each of the ventilation slot assemblies comprises: a ventilation slot bottom plate, a plurality of bearing parts, and a plurality of supporting parts; wherein the number of the bearing parts is the same as the number of the supporting parts;

[0014] In each of the ventilation slot assemblies, each of the plurality of support portions is disposed at intervals on the ventilation slot bottom plate, and each of the plurality of bearing portions is disposed on each of the support portions;

[0015] The ventilation slot bottom plate, the bearing part, and the support part are all pultruded profiles made of caprolactam and fiber reaction;

[0016] The caprolactam and fiber reaction pultrusion profile comprises: axial cloth, chopped strand mat, fiber cloth, glass fiber yarn and seam edge mat stacked in sequence.

[0017] In a third aspect, an embodiment of the present application further provides a refrigerated vehicle, comprising: a ventilation slot composed of the caprolactam and fiber reaction pultruded profile described in the first aspect or the second aspect above;

[0018] The ventilation slot is fixed to the bottom of the cargo box of the refrigerated truck through a buckle mechanism.

[0019] In the scheme provided in the first and third aspects of the embodiment of the present application, in each ventilation slot module in which the ventilation slots composed of caprolactam and fiber reaction pultruded profiles are connected in sequence, the first ventilation slot column, the second ventilation slot column, and the third ventilation slot column are spaced apart at the bottom of the ventilation slot top plate, the first ventilation slot bottom plate is fixed at the bottom of the first ventilation slot column, the second ventilation slot bottom plate is fixed at the bottom of the second ventilation slot column, and the third ventilation slot bottom plate is fixed at the bottom of the third ventilation slot column. The caprolactam and fiber reaction pultruded profile comprises: axial cloth, chopped strands of felt, fiber cloth, glass fiber yarn and seam edge felt stacked in sequence, so that the composite material formed by the axial cloth, chopped strands of felt, fiber cloth, glass fiber yarn and seam edge felt is used to form the ventilation slots used in the refrigerated truck, thereby improving the service life of the ventilation slots.

[0020] In the scheme provided in the second and third aspects of the embodiment of the present application, in each ventilation slot assembly in which the ventilation slots composed of caprolactam and fiber reaction pultruded profiles are connected in sequence, each of the multiple supporting parts is arranged at intervals on the ventilation slot bottom plate, and each of the multiple bearing parts is arranged on each of the supporting parts, respectively, and the ventilation slot bottom plate, the bearing part, and the supporting part are all caprolactam and fiber reaction pultruded profiles; the caprolactam and fiber reaction pultruded profiles include: axial cloth, chopped strands of felt, fiber cloth, glass fiber yarn and seam edge felt stacked in sequence, so that the composite material formed by the axial cloth, chopped strands of felt, fiber cloth, glass fiber yarn and seam edge felt is used to form the ventilation slot used in the refrigerated truck, thereby improving the service life of the ventilation slot.

[0021] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 A partial structural schematic diagram of a ventilation slot composed of a caprolactam and fiber reaction pultruded profile provided in an embodiment of the present application is shown;

[0024] Figure 2 A schematic diagram of the stacking structure of the caprolactam and fiber reaction pultruded profile provided in an embodiment of the present application is shown;

[0025] Figure 3 A partial structural schematic diagram of a ventilation slot composed of another caprolactam and fiber reaction pultruded profile provided in an embodiment of the present application is shown.

[0026] Icons: 10, ventilation slot assembly; 12, snap mechanism; 102, ventilation slot bottom plate; 104, load-bearing part; 106, support part; 108, splicing part; 122, snap part; 124, connecting part; 126, support member; 128, load-bearing member; 130, overlapping part; 200, axial cloth; 202, chopped strand mat; 204, fiber cloth; 206, glass fiber yarn; 208, seam edge mat; 1002, ventilation slot top plate; 1004, first ventilation slot bottom plate; 1006, second ventilation slot bottom plate; 1008, third ventilation slot 1010, first ventilation slot column of bottom plate; 1012, second ventilation slot column; 1014, third ventilation slot column; 1016, fixing part. DETAILED DESCRIPTION

[0027] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0028] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0029] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0030] At present, the cargo box of refrigerated trucks is fully enclosed and equipped with a refrigeration unit. Refrigerated trucks are usually used to transport frozen food, dairy products, vegetables and fruits, and / or vaccines and medicines. Adding ventilation slots in the cargo box of refrigerated trucks can make it easier for cold air to flow to various locations inside the cargo box, better ensuring the temperature balance inside the box.

[0031] Based on this, the following embodiments of the present application propose a ventilation trough and a refrigerated truck composed of a caprolactam and fiber reaction pultruded profile. In each ventilation trough assembly connected in sequence by the ventilation trough composed of the caprolactam and fiber reaction pultruded profile, each of the multiple supporting parts is arranged at intervals on the ventilation trough bottom plate, and each of the multiple bearing parts is arranged on each of the supporting parts respectively, and the ventilation trough bottom plate, the bearing part, and the supporting part are all caprolactam and fiber reaction pultruded profiles; the caprolactam and fiber reaction pultruded profile includes: axial cloth, chopped strands of felt, fiber cloth, glass fiber yarn and seam edge felt stacked in sequence, so that the composite material formed by the axial cloth, chopped strands of felt, fiber cloth, glass fiber yarn and seam edge felt is used to form the ventilation trough used in the refrigerated truck, thereby improving the service life of the ventilation trough.

[0032] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the present application is further described in detail below with reference to the accompanying drawings and embodiments.

[0033] Example

[0034] See also Figure 1 The partial structural schematic diagram of the ventilation slot composed of a caprolactam and fiber reaction pultruded profile is shown. This embodiment proposes a ventilation slot composed of a caprolactam and fiber reaction pultruded profile, including: a plurality of ventilation slot modules 100; each ventilation slot module 100 in the plurality of ventilation slot modules 100 is connected in sequence.

[0035] Each of the ventilation slot modules 100 includes: a ventilation slot top plate 1002 , a first ventilation slot bottom plate 1004 , a second ventilation slot bottom plate 1006 , a third ventilation slot bottom plate 1008 , a first ventilation slot column 1010 , a second ventilation slot column 1012 , and a third ventilation slot column 1014 .

[0036] The first ventilation slot column 1010 , the second ventilation slot column 1012 , and the third ventilation slot column 1014 are spaced apart at the bottom of the ventilation slot top plate 1002 , wherein the spacing distance between the first ventilation slot column 1010 and the second ventilation slot column 1012 is the same as the spacing distance between the second ventilation slot column 1012 and the third ventilation slot column 1014 .

[0037] The first ventilation slot bottom plate 1004 is fixed to the bottom of the first ventilation slot column 1010, the second ventilation slot bottom plate 1006 is fixed to the bottom of the second ventilation slot column 1012, and the third ventilation slot bottom plate 1008 is fixed to the bottom of the third ventilation slot column 1014, wherein the spacing distance between the first ventilation slot bottom plate 1004 and the second ventilation slot bottom plate 1006 is the same as the spacing distance between the second ventilation slot bottom plate 1006 and the third ventilation slot bottom plate 1008.

[0038] The distance between the first ventilation slot bottom plate 1004 and the second ventilation slot bottom plate 1006 and the distance between the second ventilation slot bottom plate 1006 and the third ventilation slot bottom plate 1008 are between 3.6 cm and 3.8 cm.

[0039] Preferably, the spacing distance between the first ventilation slot bottom plate 1004 and the second ventilation slot bottom plate 1006 and the spacing distance between the second ventilation slot bottom plate 1006 and the third ventilation slot bottom plate 1008 are 3.69 centimeters.

[0040] The lengths of the first ventilation slot bottom plate 1004, the second ventilation slot bottom plate 1006 and the third ventilation slot bottom plate 1008 are between 2.6 cm and 2.8 cm.

[0041] Preferably, the length of the first ventilation slot bottom plate 1004, the second ventilation slot bottom plate 1006 and the third ventilation slot bottom plate 1008 is 2.66 cm.

[0042] The thickness of the ventilation slot top plate 1002, the first ventilation slot bottom plate 1004, the second ventilation slot bottom plate 1006 and the third ventilation slot bottom plate 1008 are all 3 mm.

[0043] The ventilation slot top plate 1002, the first ventilation slot bottom plate 1004, the second ventilation slot bottom plate 1006, the third ventilation slot bottom plate 1008, the first ventilation slot column 1010, the second ventilation slot column 1012, and the third ventilation slot column 1014 are all pultruded profiles made of caprolactam and fiber reaction.

[0044] See also Figure 2 The stacking structure schematic diagram of the caprolactam and fiber reaction pultrusion profile shown in the figure comprises: an axial cloth 200, a chopped strand mat 202, a fiber cloth 204, a glass fiber yarn 206 and a seam edge mat 208 stacked in sequence.

[0045] Figure 2 The stacking structure of the caprolactam and fiber reaction pultruded profile shown is for illustration only. The axial cloth 200, chopped strand mat 202, fiber cloth 204, glass fiber yarn 206 and seam edge mat 208 can also be formed into the caprolactam and fiber reaction pultruded profile by any other conceivable stacking method, which will not be described in detail here.

[0046] Optionally, the seam edge felt 208 can be replaced with a surface felt.

[0047] Furthermore, in order to further improve the durability of the ventilation slot, the ventilation slot composed of the caprolactam and fiber reaction pultruded profile proposed in this embodiment also includes: carbon fiber or aramid fiber (not shown in the figure) is arranged on both sides of the stacked axial cloth 200, the chopped strand mat 202, the fiber cloth 204, the glass fiber yarn 206 and the seam edge mat 208.

[0048] In order to enable adjacent ventilation slot modules to be connected together, the ventilation slot composed of caprolactam and fiber reaction pultruded profile proposed in this embodiment also includes: a fixing portion 1016; the fixing portion 1016 is arranged at one end of the ventilation slot top plate 1002 and is integrally formed with the ventilation slot top plate 1002.

[0049] Adjacent ventilation slot modules 100 in each of the ventilation slot modules 100 are connected via the fixing portion 116 .

[0050] In one embodiment, both end portions of the first ventilation slot bottom plate 1004, both end portions of the second ventilation slot bottom plate 106, and both end portions of the third ventilation slot bottom plate 1008 all have process angles, so that the appearance of the first ventilation slot bottom plate 1004, the second ventilation slot bottom plate 1006, and the third ventilation slot bottom plate 1008 is more beautiful.

[0051] The ventilation slot top plate 1002, the first ventilation slot bottom plate 1004, the second ventilation slot bottom plate 1006, the third ventilation slot bottom plate 1008, the first ventilation slot column 1010, the second ventilation slot column 1012, and the third ventilation slot column 1014 are integrally formed.

[0052] This embodiment also provides a refrigerated vehicle, comprising Figure 1 The ventilation slots composed of the caprolactam and fiber reactive pultruded profile shown.

[0053] In summary, the present embodiment proposes a ventilation slot and a refrigerated truck composed of a caprolactam and fiber reaction pultruded profile. In each ventilation slot module in which the ventilation slot composed of the caprolactam and fiber reaction pultruded profile is sequentially connected, the first ventilation slot column, the second ventilation slot column, and the third ventilation slot column are spaced apart at the bottom of the ventilation slot top plate, the first ventilation slot bottom plate is fixed to the bottom of the first ventilation slot column, the second ventilation slot bottom plate is fixed to the bottom of the second ventilation slot column, and the third ventilation slot bottom plate is fixed to the bottom of the third ventilation slot column. The caprolactam and fiber reaction pultruded profile comprises: axial cloth, chopped strands of felt, fiber cloth, glass fiber yarn and seam edge felt stacked in sequence, so that the composite material formed by the axial cloth, chopped strands of felt, fiber cloth, glass fiber yarn and seam edge felt is used to form the ventilation slot used in the refrigerated truck, thereby improving the service life of the ventilation slot.

[0054] See also Figure 3The partial structural schematic diagram of the ventilation slot composed of the caprolactam and fiber reaction pultruded profile shown in the figure, this embodiment also proposes a ventilation slot composed of the caprolactam and fiber reaction pultruded profile, including: a plurality of ventilation slot components 10; each ventilation slot component 10 in the plurality of ventilation slot components 10 is connected in sequence.

[0055] Each of the ventilation slot components comprises: a ventilation slot bottom plate 102, a plurality of load-bearing portions 104, and a plurality of support portions 106; wherein the number of the load-bearing portions 104 is the same as the number of the support portions 106; in each of the ventilation slot components 10, each of the plurality of support portions 106 is arranged at intervals on the ventilation slot bottom plate 102, and each of the plurality of load-bearing portions 104 is arranged on each of the support portions 106, respectively.

[0056] See also Figure 2 The stacking structure diagram of the caprolactam and fiber reaction pultruded profile shown in the figure, the ventilation slot bottom plate 102, the bearing part 104, and the support part 106 are all caprolactam and fiber reaction pultruded profiles; the caprolactam and fiber reaction pultruded profile includes: axial cloth 200, chopped strand mat 202, fiber cloth 204, glass fiber yarn 206 and seam edge mat 208 stacked in sequence.

[0057] In one embodiment, the axial cloth 200, the chopped strand mat 202, the fiber cloth 204, the glass fiber yarn 206, and the seam edge mat 208 are stacked from bottom to top.

[0058] The caprolactam and fiber reactive pultruded profile comprises axial cloth, chopped strand mat, fiber cloth, glass fiber yarn and seam edge mat stacked in sequence, and is formed by a thermoplastic process, so that the caprolactam and fiber reactive pultruded profile has the characteristics of recyclability, energy conservation and environmental protection; moreover, it replaces the aluminum alloy profile or other metal profiles commonly used in ventilation slots, thereby reducing the weight and cost of the ventilation slots while ensuring performance.

[0059] Figure 2 The stacking structure of the caprolactam and fiber reaction pultruded profile shown is for illustration only. The axial cloth 200, chopped strand mat 202, fiber cloth 204, glass fiber yarn 206 and seam edge mat 208 can also be formed into the caprolactam and fiber reaction pultruded profile by any other conceivable stacking method, which will not be described in detail here.

[0060] Optionally, the seam edge felt 208 can be replaced with a surface felt.

[0061] Furthermore, in order to further improve the durability of the ventilation slot, the ventilation slot composed of the caprolactam and fiber reaction pultruded profile proposed in this embodiment also includes: carbon fiber or aramid fiber (not shown in the figure) is arranged on both sides of the stacked axial cloth 200, the chopped strand mat 202, the fiber cloth 204, the glass fiber yarn 206 and the seam edge mat 208.

[0062] In order to enable each ventilation slot assembly 10 to be connected in sequence, the ventilation slot composed of the caprolactam and fiber reaction pultruded profile proposed in this embodiment, each of the ventilation slot assemblies also includes: a splicing portion 108; the splicing portion 108 is arranged in each of the support portions 106 of the ventilation slot assembly 10, at the bottom of the support portion 106 adjacent to other ventilation slot assemblies 10, and the extension direction of the splicing portion 108 is the same as the extension direction of the ventilation slot bottom plate 102; the adjacent ventilation slot assemblies 10 in each of the ventilation slot assemblies 10 are connected via the splicing portion 108.

[0063] In one embodiment, in each of the ventilation slot assemblies 10 , the ventilation slot bottom plate 102 , the bearing portion 104 , the supporting portion 106 , and the splicing portion 108 are integrally formed.

[0064] In each of the ventilation slot assemblies 10 , the opening formed between two adjacent support portions 106 and the ventilation slot bottom plate 102 can play a ventilation role.

[0065] Between two adjacent ventilation slot assemblies 10 , an opening formed by two adjacent support portions 106 and the splicing portion 108 in the two adjacent ventilation slot assemblies 10 can play a ventilation role.

[0066] In order to fix the ventilation groove composed of caprolactam and fiber reaction pultruded profile on the bottom of the cargo box of the refrigerated truck, the ventilation groove composed of caprolactam and fiber reaction pultruded profile proposed in this embodiment also includes: a snap mechanism 12; the snap mechanism includes: a snap portion 122, a connecting portion 124, a support member 126, a bearing member 128 and a lap portion 130; the snap portion 122 is connected to the support member 126 through the connecting portion 124, the bearing member 128 is arranged on the top of the support member 126, and the lap portion 130 is arranged on the side of the support member 126 away from the snap portion 122; the lap portion 130 is connected to the splicing portion 108 of the ventilation groove assembly 10 adjacent to the snap mechanism 12.

[0067] It can be seen from the above description that the ventilation slot composed of the caprolactam and fiber reaction pultruded profile is fixedly installed on the bottom of the cargo box of the refrigerated truck by means of the snap-fitting method of the snap-fit ​​portion 122 in the snap-fit ​​mechanism 12, which is simple and convenient to operate.

[0068] In one embodiment, the buckle portion 122 , the connecting portion 124 , the supporting member 126 , the bearing member 128 and the overlapping portion 130 are integrally formed.

[0069] In one embodiment, the support member 126 has the same structure as the support portion 106 , and the bearing member 128 has the same structure as the support portion 104 .

[0070] This embodiment also provides a refrigerated vehicle, comprising: Figure 3 The ventilation groove is composed of the caprolactam and fiber reaction pultruded profile shown; the ventilation groove is fixed to the bottom of the cargo box of the refrigerated truck by a snap mechanism.

[0071] In summary, the present embodiment proposes a ventilation slot and a refrigerated truck composed of a caprolactam and fiber reaction pultruded profile. In each ventilation slot assembly in which the ventilation slot composed of the caprolactam and fiber reaction pultruded profile is sequentially connected, each of the multiple supporting parts is arranged at intervals on the ventilation slot bottom plate, and each of the multiple bearing parts is arranged on each of the supporting parts respectively. The ventilation slot bottom plate, the bearing part, and the supporting part are all caprolactam and fiber reaction pultruded profiles. The caprolactam and fiber reaction pultruded profile comprises: axial cloth, chopped strands of felt, fiber cloth, glass fiber yarn and seam edge felt stacked in sequence, so that the composite material formed by the axial cloth, chopped strands of felt, fiber cloth, glass fiber yarn and seam edge felt is used to form the ventilation slot used in the refrigerated truck, thereby improving the service life of the ventilation slot.

[0072] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A ventilation slot composed of a caprolactam and fiber reaction pultrusion profile, characterized in that: include: Multiple ventilation slot modules; The ventilation slot modules in the plurality of ventilation slot modules are connected in sequence; Each of the ventilation slot modules comprises: a ventilation slot top plate, a first ventilation slot bottom plate, a second ventilation slot bottom plate, a third ventilation slot bottom plate, a first ventilation slot column, a second ventilation slot column, and a third ventilation slot column; The first ventilation slot column, the second ventilation slot column, and the third ventilation slot column are spaced apart at the bottom of the ventilation slot top plate, wherein the spacing distance between the first ventilation slot column and the second ventilation slot column is the same as the spacing distance between the second ventilation slot column and the third ventilation slot column; The first ventilation slot bottom plate is fixed to the bottom of the first ventilation slot column, the second ventilation slot bottom plate is fixed to the bottom of the second ventilation slot column, and the third ventilation slot bottom plate is fixed to the bottom of the third ventilation slot column, wherein the spacing distance between the first ventilation slot bottom plate and the second ventilation slot bottom plate is the same as the spacing distance between the second ventilation slot bottom plate and the third ventilation slot bottom plate; The ventilation slot top plate, the first ventilation slot bottom plate, the second ventilation slot bottom plate, the third ventilation slot bottom plate, the first ventilation slot column, the second ventilation slot column, and the third ventilation slot column are all pultruded profiles made of caprolactam and fiber reaction; The caprolactam and fiber reaction pultrusion profile comprises: axial cloth, chopped strand mat, fiber cloth, glass fiber yarn and seam edge mat stacked in sequence.

2. The ventilation slot composed of the caprolactam and fiber reaction pultrusion profile according to claim 1 is characterized in that: The seam edge felt can be replaced by a surface felt.

3. The ventilation slot composed of the caprolactam and fiber reaction pultrusion profile according to claim 1, characterized in that: Also includes: Carbon fibers or aramid fibers are arranged on both sides of the stacked axial cloth, the chopped strand mat, the fiber cloth, the glass fiber yarn and the seam edge mat.

4. The ventilation slot composed of the caprolactam and fiber reaction pultrusion profile according to claim 1, characterized in that: Also includes: Fixed part; The fixing portion is arranged at one end of the ventilation slot top plate and is integrally formed with the ventilation slot top plate; Adjacent ventilation slot modules in each of the ventilation slot modules are connected via the fixing portion.

5. A ventilation slot composed of a caprolactam and fiber reaction pultrusion profile, characterized in that: include: a plurality of ventilation slot assemblies; Each ventilation slot assembly in the plurality of ventilation slot assemblies is connected in sequence; Each of the ventilation slot assemblies comprises: a ventilation slot bottom plate, a plurality of bearing parts, and a plurality of supporting parts; wherein the number of the bearing parts is the same as the number of the supporting parts; In each of the ventilation slot assemblies, each of the plurality of support portions is disposed at intervals on the ventilation slot bottom plate, and each of the plurality of bearing portions is disposed on each of the support portions; The ventilation slot bottom plate, the bearing part, and the support part are all pultruded profiles made of caprolactam and fiber reaction; The caprolactam and fiber reaction pultrusion profile comprises: axial cloth, chopped strand mat, fiber cloth, glass fiber yarn and seam edge mat stacked in sequence.

6. The ventilation slot composed of the caprolactam and fiber reaction pultrusion profile according to claim 5, characterized in that: The seam edge felt can be replaced by a surface felt.

7. The ventilation slot composed of the caprolactam and fiber reaction pultrusion profile according to claim 5, characterized in that: Also includes: Carbon fibers or aramid fibers are arranged on both sides of the stacked axial cloth, the chopped strand mat, the fiber cloth, the glass fiber yarn and the seam edge mat.

8. The ventilation slot composed of the caprolactam and fiber reaction pultrusion profile according to claim 5, characterized in that: Each of the ventilation slot assemblies further includes: a splicing portion; The splicing portion is arranged at the bottom of each supporting portion of each ventilation slot assembly and adjacent to other supporting portions of other ventilation slot assemblies, and the extending direction of the splicing portion is the same as the extending direction of the ventilation slot bottom plate; Adjacent ventilation slot assemblies in each of the ventilation slot assemblies are connected via the splicing portion.

9. The ventilation slot composed of the caprolactam and fiber reaction pultrusion profile according to claim 8, characterized in that: Also includes: Buckle mechanism; The buckle mechanism comprises: a buckle part, a connecting part, a supporting part, a bearing part and an overlapping part; The buckle portion is connected to the support member through the connecting portion, the bearing member is arranged on the top of the support member, and the overlap portion is arranged on a side of the support member away from the buckle portion; The overlapping portion is connected to the splicing portion of the ventilation slot assembly adjacent to the buckle mechanism.

10. A refrigerated vehicle, characterized in that: include: A ventilation groove composed of a caprolactam and fiber reaction pultruded profile as described in any one of claims 1 to 4 or any one of claims 5 to 9; The ventilation slot is fixed to the bottom of the cargo box of the refrigerated truck through a buckle mechanism.

Images