Wooden thermal insulation cover with mortise and tenon structure

Abstract

The utility model belongs to the technical field of ship refrigeration fish hold, and relates to a wooden heat preservation cover of mortise joint structure, which comprises a wooden frame, a heat preservation cover assembly is arranged on the wooden frame in a covering mode, the wooden frame is provided with a conical cavity, the heat preservation cover assembly comprises a cover outer frame, a foaming layer, an upper cladding plate and a lower cladding plate, a conical surface is arranged on the outer surface of the cover outer frame to completely match the conical cavity of the wooden frame, the foaming layer is arranged in the internal cavity of the cover outer frame, the upper cladding plate is arranged on the upper step of the internal cavity of the cover outer frame, the lower cladding plate is arranged on the lower step of the internal cavity of the cover outer frame, the surface of the heat preservation cover assembly is brushed with glass fiber reinforced plastic, a support step is arranged at the lower end of the conical cavity of the wooden frame in an integrated mode, a hollow rubber strip is arranged on the support step, and the bottom surface of the cover outer frame is pressed on the hollow rubber strip. The heat preservation cover can increase the heat preservation effect of the inside of the ship fish hold, protect the steel manhole / wastewater well cover in the fish hold and ensure the safety of the crew.

Description

Technical Field

[0001] This utility model belongs to the technical field of ship refrigerated fish hold, and relates to a wooden heat-insulating cover with a tenon and mortise joint structure. Background Technology

[0002] With the rapid development of ocean-going fishing vessels, customers have increasingly higher requirements for the service life of the vessel's fishing hold system. On existing ocean-going vessels, steel manhole covers cannot be opened normally after long-term freezing. Ordinary covers have a short service life due to the impact of freezing environment and cannot guarantee the normal operation of shipping. Summary of the Invention

[0003] To address the aforementioned problems, this utility model provides a wooden insulation cover with a mortise and tenon joint structure. This insulation cover can increase the insulation effect inside the fish hold of a ship, protect the steel manhole / sewage well cover inside the fish hold, and ensure the safety of crew passage.

[0004] According to the technical solution of this utility model: a wooden heat-insulating cover with a tenon and mortise structure, characterized in that: it includes a wooden frame, and a heat-insulating cover assembly is provided on the wooden frame; The wooden frame is provided with a conical cavity; The heat insulation cover assembly includes an outer cover frame, a foam layer, an upper cover plate, and a lower cover plate. The outer surface of the outer cover frame is provided with a conical surface to completely fit the conical cavity of the wooden frame. A foam layer is provided in the inner cavity of the outer cover frame. An upper cover plate is provided on the upper step of the inner cavity of the outer cover frame, and a lower cover plate is provided on the lower step of the inner cavity of the outer cover frame. The surface of the heat insulation cover assembly is coated with fiberglass. The lower end of the conical cavity of the wooden frame is provided with an integrally connected support step, and a hollow rubber strip is installed on the support step. The bottom surface of the outer frame is pressed tightly onto the hollow rubber strip.

[0005] As a further improvement of this utility model, a limiting step is provided on the upper outer side of the wooden frame.

[0006] As a further improvement of this utility model, handles are rotatably provided at both ends of the outer frame of the cover along its length.

[0007] As a further improvement of this utility model, the two rotating connecting ends of each handle are respectively fitted into the corresponding steel pipes, and a single-ended stud is welded to the bottom surface of the steel pipe. The single-ended stud passes through the connecting hole of the outer frame of the cover and is fixed by a nut and a washer.

[0008] As a further improvement of this utility model, the foam layer is provided with two wooden beams arranged perpendicularly to each other.

[0009] As a further improvement of this utility model, the thickness of the upper cover plate is greater than the thickness of the lower cover plate.

[0010] As a further improvement of this utility model, an outer panel is attached to the outer surface of the wooden frame, and an inner panel is attached to the lower surface of the wooden frame corresponding to the supporting step. The inner panel and the outer panel are respectively fixed to the wooden frame with Phillips head wood screws.

[0011] The technical advantages of this utility model are as follows: the structure of this utility model is installed on the original steel manhole or sewage well cover, which effectively protects the steel manhole or sewage well cover; the wooden structure enhances the heat preservation effect of the refrigerated fish tank; the embedded handle is installed on the heat preservation cover and the rubber strip is installed on the heat preservation frame, which facilitates the normal opening and closing of the heat preservation cover. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] Figure 2 for Figure 1 A sectional view along the AA direction.

[0014] Figure 3 for Figure 2 A schematic diagram of the wooden frame structure at point B.

[0015] Figure 4 for Figure 2 A schematic diagram of the insulation cover assembly at point B.

[0016] Figure 5 This is a schematic diagram of the handle connection structure. Detailed Implementation

[0017] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings.

[0018] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. The described embodiments are merely some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0019] Figure 1-5 The components include: 1. wooden frame; 2. outer frame; 3. foam layer; 4. upper cover plate; 5. lower cover plate; 6. wooden beam; 7. Phillips head countersunk wood screws; 8. handle; 9. steel pipe; 10. single-ended stud; 11. nut; 12. washer; 13. hollow rubber strip; 14. fiberglass; 15. inner panel; 16. outer panel.

[0020] like Figure 1-5As shown, this utility model is a wooden insulation cover with a tenon and mortise structure. In order to achieve the refrigeration and insulation effect of the fish hold and effectively protect the service life of the steel manhole cover and steel sewage well cover on the fish hold deck, it includes a wooden frame 1, on which an insulation cover assembly is installed; the wooden frame 1 is provided with a conical cavity.

[0021] The heat insulation cover assembly includes an outer cover frame 2, a foam layer 3, an upper cover plate 4, and a lower cover plate 5. The outer surface of the outer cover frame 2 is provided with a conical surface to completely fit the conical cavity of the wooden frame 1. The foam layer 3 is provided in the inner cavity of the outer cover frame 2. The upper cover plate 4 is provided on the upper step of the inner cavity of the outer cover frame 2, and the lower cover plate 5 is provided on the lower step of the inner cavity of the outer cover frame 2. The surface of the heat insulation cover assembly is coated with fiberglass 14.

[0022] The lower end of the conical cavity of the wooden frame 1 is provided with an integrally connected support step, and a hollow rubber strip 13 is provided on the support step. The bottom surface of the outer frame 2 is pressed tightly onto the hollow rubber strip 13.

[0023] A limiting step is provided on the upper outer side of the wooden frame 1 to achieve positioning between it and the external frame fixing flat iron during installation.

[0024] Handles 8 are rotatably installed at both ends of the outer frame 2 along its length, which facilitates opening and maintenance operations.

[0025] The two rotating connecting ends of each handle 8 are respectively fitted into the corresponding steel pipe 9. A single-headed stud 10 is welded to the bottom surface of the steel pipe 9. The single-headed stud 10 passes through the connecting hole of the outer frame 2 of the cover and is fixed by a nut 11 and a washer 12.

[0026] Two wooden beams 6 are arranged perpendicularly to each other in the foam layer 3, and the wooden beams 6 are fixed by mortise and tenon joint.

[0027] The thickness of the upper cover plate 4 is greater than the thickness of the lower cover plate 5.

[0028] The outer surface of the wooden frame 1 is fitted with an outer panel 16, and the lower surface of the wooden frame 1 corresponding to the supporting step is fitted with an inner panel 15. The inner panel 15 and the outer panel 16 are respectively fixed to the wooden frame 1 by countersunk wood screws 7.

[0029] like Figure 1-5 As shown, the wooden frame 1 and the insulation cover assembly in this utility model adopt mortise and tenon joint structures. The manufacturer needs to grind, brush with fiberglass, and wrap with fiberglass cloth after on-site installation of the outer frame 2 and the wooden frame 1. The insulation cover assembly is designed to enhance the insulation effect in the ship's refrigeration tank. The mortise and tenon joint is used to increase the strength of the wooden insulation cover. The raised platform design is for the safety of the crew during passage. The embedded handle 8 is installed on the surface of the insulation cover assembly for easy opening and maintenance.

[0030] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although this utility model has been described in detail with reference to examples, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A wooden heat-insulating cover with a mortise and tenon joint structure, characterized in that: Includes a wooden frame (1), on which an insulation cover assembly is provided; The wooden frame (1) is provided with a conical cavity; The heat insulation cover assembly includes an outer cover frame (2), a foam layer (3), an upper cover plate (4), and a lower cover plate (5). The outer surface of the outer cover frame (2) is provided with a conical surface to completely fit the conical cavity of the wooden frame (1). The foam layer (3) is provided in the inner cavity of the outer cover frame (2). The upper cover plate (4) is provided on the upper step of the inner cavity of the outer cover frame (2), and the lower cover plate (5) is provided on the lower step of the inner cavity of the outer cover frame (2). The surface of the heat insulation cover assembly is coated with fiberglass (14). The lower end of the conical cavity of the wooden frame (1) is provided with an integrally connected support step, and a hollow rubber strip (13) is provided on the support step. The bottom surface of the outer frame (2) is pressed against the hollow rubber strip (13).

2. The wooden heat-insulating cover with mortise and tenon joint structure as described in claim 1, characterized in that: A limiting step is provided on the upper outer side of the wooden frame (1).

3. The wooden heat-insulating cover with mortise and tenon joint structure as described in claim 1, characterized in that: Handles (8) are rotatably provided at both ends of the outer frame (2) along its length.

4. The wooden heat-insulating cover with mortise and tenon joint structure as described in claim 3, characterized in that: The two rotating connecting ends of each handle (8) are respectively fitted into the corresponding steel pipe (9). A single-headed stud (10) is welded to the bottom surface of the steel pipe (9). The single-headed stud (10) passes through the connecting hole of the outer frame (2) of the cover and is fixed by a nut (11) and a washer (12).

5. The wooden heat-insulating cover with mortise and tenon joint structure as described in claim 1, characterized in that: The foam layer (3) contains two wooden beams (6) arranged perpendicularly to each other.

6. The wooden heat-insulating cover with mortise and tenon joint structure as described in claim 1, characterized in that: The thickness of the upper cover plate (4) is greater than the thickness of the lower cover plate (5).

7. The wooden heat-insulating cover with mortise and tenon joint structure as described in claim 1, characterized in that: The outer surface of the wooden frame (1) is fitted with an outer panel (16), and the lower surface of the wooden frame (1) corresponding to the supporting step is fitted with an inner panel (15). The inner panel (15) and the outer panel (16) are respectively fixed to the wooden frame (1) by countersunk wood screws (7).

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