Nail-hidden polyurethane sandwich panel for refrigeration house

Abstract

The utility model discloses a nail-hidden polyurethane sandwich panel for a refrigeration house, which relates to the technical field of polyurethane sandwich panels and comprises a first plug, a first slot, a nail-hidden rod, a limiting plug-in, a limiting groove, a first inserting rod, a second inserting rod, a first elliptical top block and a second elliptical top block. According to the utility model, when the splicing inserting block is connected with the splicing inserting opening, the first inserting head is also inserted into the first inserting groove, then the nail hiding rod is rotationally adjusted through the first inserting groove which is exposed out of one end of the laminboard body and is not closed, the nail hiding rod is rotated, the nail hiding rod drives the limiting inserting piece to move, and the limiting inserting piece stretches out and draws back in the rotating process of the nail hiding rod; the limiting plug-in can be inserted into the limiting groove to achieve limiting locking processing of the first plug and the first slot, and the limiting plug-in can be pulled out of the limiting groove to relieve the limiting locking processing of the first plug and the first slot. The disassembly operation is convenient and fast, and the sandwich board body cannot be damaged and can be repeatedly used.

Description

Technical Field

[0001] The utility model relates to the technical field of polyurethane sandwich panels, in particular to a polyurethane sandwich panel for cold storage with hidden nails. Background Art

[0002] Most cold storage panels are made of precision pressed metal materials such as color steel plates and stainless steel plates as panels, and are polyurethane sandwich panels composited with lightweight polyurethane rigid foam as the core material. The finished polyurethane cold storage panels have the technical characteristics of low thermal conductivity, high closed-cell rate and strong load capacity. They can effectively prevent the diffusion of cold caused by the large temperature difference inside and outside the cold storage, thereby reducing the industrial loss of the cold storage and improving work efficiency.

[0003] Patent (CN216109090U) discloses a polyurethane sandwich panel for cold storage suitable for ultra-low temperature, including a panel body and a splicing mechanism, wherein the splicing mechanism is arranged on the panel body, and the splicing mechanism includes a card block and a card slot. The utility model greatly improves the low temperature resistance of the polyurethane sandwich panel by arranging the first low temperature resistant layer and the second low temperature resistant layer, thereby avoiding affecting the service life of the polyurethane sandwich panel in a low temperature environment, and improves the flame retardant effect of the polyurethane sandwich panel by arranging the flame retardant layer, thereby reducing safety hazards, and greatly improves the strength of the polyurethane sandwich panel by arranging the first reinforcement layer and the second reinforcement layer, thereby improving the service life of the polyurethane sandwich panel, and improving the buffering effect of the polyurethane sandwich panel by arranging the insect-proof layer, and greatly improves the insect-proof effect of the polyurethane sandwich panel by arranging the moisture-proof layer, thereby improving the practicality.

[0004] The polyurethane sandwich panels for cold storage in the above patent document are assembled by means of blocks and slots, but the method in the above patent cannot be used for subsequent disassembly of the polyurethane sandwich panels. The polyurethane sandwich panels can only be disassembled and separated after the blocks and slots of the polyurethane sandwich panels are strongly damaged, resulting in the polyurethane sandwich panels being unable to be reused. Utility Model Content

[0005] The utility model aims to provide a polyurethane sandwich panel for cold storage with hidden nails, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a polyurethane sandwich panel for cold storage with hidden nails, comprising a sandwich panel body, a splicing block is provided at one end of the sandwich panel body, a splicing socket matching the splicing block is provided at the other end of the sandwich panel body, a first plug is provided on the inner side of the splicing block on the outer wall of the sandwich panel body, a first slot matching the first plug is provided on the inner wall of the splicing socket, a rotatably connected hidden nail rod is provided inside the sandwich panel body, one end of the hidden nail rod extends to the inside of the first plug, and the other end of the hidden nail rod extends to the inside of the first slot, a movably connected limit plug is provided on the outer wall of the hidden nail rod inside the first plug, and a limit groove matching the limit plug is provided on the inner wall of the first slot.

[0007] Furthermore, the limiting plug-in includes a plurality of first plug rods and a second plug rod, the first plug rod and the second plug rod are arranged in parallel, the outer wall of the hidden nail rod is provided with a plurality of first elliptical top blocks and a second elliptical top blocks, the first plug rod is movably arranged on the outside of the first elliptical top block, and the second plug rod is movably arranged on the outside of the second elliptical top block.

[0008] Furthermore, a first slide bar is provided on the outer wall of the first elliptical top block, a first slide sleeve matching the first slide bar is provided on one end of the outer wall of the first insertion rod, a second slide bar is provided on the outer wall of the second elliptical top block, and a second slide sleeve matching the second slide bar is provided on one end of the outer wall of the second insertion rod.

[0009] Furthermore, the cross-sections of the first sliding bar and the second sliding bar are circular, inverted trapezoidal or T-shaped.

[0010] Furthermore, a first through hole matching the first plug rod is provided inside the first plug, a first active cavity matching the first elliptical top block is provided inside the first plug, and the first through hole is communicated with the first active cavity; a second through hole matching the second plug rod is provided inside the first plug, a second active cavity matching the second elliptical top block is provided inside the first plug, and the second through hole is communicated with the second active cavity.

[0011] Furthermore, a second plug is provided on the outer side of the first plug at one end of the outer wall of the sandwich panel body, a second slot matching the second plug is provided at the other end of the sandwich panel body, and a third slot matching the second plug rod is provided on the outer wall of the second plug.

[0012] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0013] 1. The utility model provides a first plug, a first slot, a hidden nail rod, a limiting plug-in, a limiting slot, a first plug rod, a second plug rod, a first elliptical top block, and a second elliptical top block. When the splicing plug block is connected to the splicing socket, the first plug is also inserted into the first slot. Then, the hidden nail rod is rotated and adjusted through the first slot that is not closed at one end of the sandwich panel body. The hidden nail rod is rotated, and the hidden nail rod drives the limiting plug-in to move. The limiting plug-in performs telescopic movement during the rotation of the hidden nail rod. The limiting plug-in can be inserted into the limiting slot to realize the limiting locking process of the first plug and the first slot. The limiting plug-in can be moved from the limiting slot The internal pulling out releases the limit locking process of the first plug and the first slot, the operation is convenient and quick, the hidden nail rod can be closed inside during the assembly process of the sandwich panel body, and the operation of the hidden nail can be effectively realized; when disassembling, it is only necessary to rotate and adjust the hidden nail rod from the inside of the first slot of the outer sandwich panel body to release the limit of the first slot and the first plug, and then directly pull the sandwich panel body outward to realize the separation of the sandwich panel body, and then follow the above operations in sequence to realize the complete disassembly between different sandwich panel bodies, the operation is convenient and quick, and the sandwich panel body will not be damaged and can be reused.

[0014] 2. In the utility model, during the rotational movement of the hidden nail rod, the first elliptical top block and the second elliptical top block rotate with the hidden nail rod; during the rotational movement of the first elliptical top block, the first sliding sleeve at one end of the first insertion rod slides along the first sliding strip on the outer wall of the first elliptical top block, the first sliding strip moves with the first elliptical top block, and the connection between the first sliding strip and the first sliding sleeve changes position according to the shape of the first elliptical top block itself, so as to realize the outward pushing and inward retraction operations of the first sliding sleeve, and the first sliding sleeve drives the first insertion rod to perform outward pushing and inward retraction operations; during the process of the first insertion rod pushing outward, the first insertion rod extends from the first plug and is inserted into the limit groove, thereby realizing the limit locking of the first plug and the first slot; during the process of the first insertion rod retracting inward, the first sliding sleeve drives the first insertion rod to be pulled out from the limit groove and retracted into the first plug, thereby releasing the limit locking of the first plug and the first slot; the same applies to the second insertion rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a front cross-sectional view of two sandwich panel bodies of the utility model when assembled;

[0017] Figure 2 It is a top view of the cross-section of two sandwich panel bodies of the utility model when they are assembled;

[0018] Figure 3This utility model Figure 2 The enlarged schematic diagram of point A in the middle;

[0019] Figure 4 This utility model Figure 2 The enlarged schematic diagram of point B in the middle;

[0020] Figure 5 This utility model Figure 2 The enlarged schematic diagram of the center C;

[0021] Figure 6 It is a side view of the limit plug-in of the utility model;

[0022] In the figure: 1, sandwich panel body; 2, splicing plug block; 3, splicing socket; 4, first plug; 5, first slot; 6, hidden nail rod; 7, limit groove; 8, first plug rod; 9, second plug rod; 10, first elliptical top block; 11, second elliptical top block; 12, first slide bar; 13, first sliding sleeve; 14, second slide bar; 15, second sliding sleeve; 16, first through hole; 17, second through hole; 18, first movable cavity; 19, second movable cavity; 20, second plug; 21, second slot; 22, third slot. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 6The utility model provides a technical solution: a polyurethane sandwich panel for cold storage with hidden nails, comprising a sandwich panel body 1, a splicing block 2 is provided at one end of the sandwich panel body 1, a splicing socket 3 matching the splicing block 2 is provided at the other end of the sandwich panel body 1, a first plug 4 is provided on the inner side of the splicing block 2 on the outer wall of the sandwich panel body 1, a first slot 5 matching the first plug 4 is provided on the inner wall of the splicing socket 3, a rotatably connected hidden nail rod 6 is provided inside the sandwich panel body 1, one end of the hidden nail rod 6 extends to the inside of the first plug 4, the other end of the hidden nail rod 6 extends to the inside of the first slot 5, the outer wall of the hidden nail rod 6 is provided with a movable limit plug inside the first plug 4, and the inner wall of the first slot 5 A limiting groove 7 matching the limiting plug-in is provided; the limiting plug-in includes a plurality of first plug rods 8 and a second plug rod 9, the first plug rods 8 and the second plug rods 9 are arranged in parallel, the outer wall of the hidden nail rod 6 is provided with a plurality of first elliptical top blocks 10 and a second elliptical top blocks 11, the first plug rod 8 is movably arranged on the outside of the first elliptical top block 10, and the second plug rod 9 is movably arranged on the outside of the second elliptical top block 11; the outer wall of the first elliptical top block 10 is provided with a first sliding bar 12, one end of the outer wall of the first plug rod 8 is provided with a first sliding sleeve 13 matching the first sliding bar 12, the outer wall of the second elliptical top block 11 is provided with a second sliding bar 14, and one end of the outer wall of the second plug rod 9 is provided with a second sliding sleeve 15 matching the second sliding bar 14.

[0025] The cross-section of the first slide bar 12 and the second slide bar 14 is a circular structure, an inverted trapezoidal structure or a T-shaped structure. The first slide bar 12 and the second slide bar 14 of the above shape can ensure that the first slide bar 12 and the first slide sleeve 13 are always in a sliding connection state, and can ensure that the second slide bar 14 and the second slide sleeve 15 are always in a sliding connection state, so that the first elliptical top block 10 and the second elliptical top block 11 can effectively drive the first plug rod 8 and the second plug rod 9 to change position during movement; and perform telescopic operations on the first plug rod 8 and the second plug rod 9.

[0026] A first through hole 16 matching the first plug rod 8 is provided inside the first plug 4, a first movable cavity 18 matching the first elliptical top block 10 is provided inside the first plug 4, the first through hole 16 is communicated with the first movable cavity 18, the first through hole 16 provides a position for the first plug rod 8 to penetrate and exit, the first movable cavity 18 provides a movement space for the first elliptical top block 10, and also provides a telescopic space for the first plug rod 8; a second through hole 17 matching the second plug rod 9 is provided inside the first plug 4, a second movable cavity 19 matching the second elliptical top block 11 is provided inside the first plug 4, the second through hole 17 is communicated with the second movable cavity 19, the second through hole 17 provides a position for the second plug rod 9 to penetrate and exit, the second movable cavity 19 provides a movement space for the second elliptical top block 11, and also provides a telescopic space for the second plug rod 9.

[0027] A second plug 20 is provided at one end of the outer wall of the sandwich panel body 1 on the outside of the first plug 4, and a second slot 21 matching the second plug 20 is provided at the other end of the sandwich panel body 1. A third slot 22 matching the second plug rod 9 is provided on the outer wall of the second plug 20. The second plug 20 is auxiliary installed on the outside of the first plug 4. When the first plug 4 is inserted into the first slot 5, the second plug 20 is also inserted into the second slot 21. After the hidden nail rod 6 is rotated and adjusted, the hidden nail rod 6 pushes the second plug rod 9 outward through the movement of the second elliptical top block 11, and the second plug rod 9 passes through the limiting groove 7 and is directly inserted into the third slot 22 of the second plug 20, which can further enhance the connection and fixing effect between the sandwich panel bodies 1.

[0028] The working principle of this utility model:

[0029] Refer to the instruction manual Figure 1-Figure 6 The utility model provides a first plug 4, a first slot 5, a hidden nail rod 6, a limiting plug-in, a limiting groove, a first plug rod 8, a second plug rod 9, a first elliptical top block 10 and a second elliptical top block 11. When the two sandwich panel bodies 1 are connected, the splicing plug block 2 of one sandwich panel body 1 is inserted into the splicing socket 3 of the other sandwich panel body 1 to achieve the initial splicing of the two sandwich panel bodies 1. When the splicing plug block 2 is connected to the splicing socket 3, the first plug 4 is also inserted into the first slot 5, and then the hidden nail rod 6 is rotated and adjusted through the first slot 5 exposed and unclosed at one end of the sandwich panel body 1. The hidden nail rod 6 is rotated, and the hidden nail rod 6 drives the limiting plug-in to move. The limiting plug-in performs telescopic movement during the rotation of the hidden nail rod 6. The limiting plug-in can be inserted into the limiting groove 7 to achieve the first plug 4 and The first slot 5 is limited and locked, and the limit plug-in can be drawn out from the limit groove 7 to release the limit locking of the first plug 4 and the first slot 5. The operation is convenient and quick. The hidden nail rod 6 can be closed inside during the assembly process of the sandwich panel body 1, which can effectively realize the operation of hidden nails; the hidden nail rod 6 is only hidden inside the first slot 5 of the outer wall of the outermost sandwich panel body 1. When disassembling, it is only necessary to rotate and adjust the hidden nail rod 6 from the inside of the first slot 5 of the outer sandwich panel body 1 to release the limit of the first slot 5 and the first plug 4, and then directly pull the sandwich panel body 1 outward to realize the separation of the sandwich panel body 1, and then the above operations are carried out in sequence to realize the complete disassembly between different sandwich panel bodies 1. The operation is convenient and quick, and the sandwich panel body 1 will not be damaged and can be reused;

[0030] During the rotational movement of the hidden nail rod 6, the first elliptical top block 10 and the second elliptical top block 11 rotate with the hidden nail rod 6. During the rotational movement of the first elliptical top block 10, the first sliding sleeve 13 at one end of the first insertion rod 8 slides along the first sliding bar 12 on the outer wall of the first elliptical top block 10, and the first sliding bar 12 moves with the first elliptical top block 10. The connection between the first sliding bar 12 and the first sliding sleeve 13 changes position according to the self-modeling of the first elliptical top block 10, which can realize the outward pushing and inward retraction operation of the first sliding sleeve 13, and the first sliding sleeve 13 drives the first insertion rod 8 to perform the outward pushing and inward retraction operation; during the outward pushing of the first insertion rod 8, the first insertion rod 8 extends from the first plug 4 and is inserted into the limiting groove 7, thereby realizing the limiting locking of the first plug 4 and the first slot 5; during the inward retraction of the first insertion rod 8, the first sliding sleeve 13 drives the first insertion rod 8 to be withdrawn from the limiting groove 7 and retracted into the first plug 4, thereby releasing the limiting locking of the first plug 4 and the first slot 5;

[0031] During the rotational movement of the second elliptical top block 11, the second sliding sleeve 15 at one end of the second plug rod 9 slides along the second sliding bar 14 on the outer wall of the second elliptical top block 11, and the second sliding bar 14 moves with the second elliptical top block 11. The connection between the second sliding bar 14 and the second sliding sleeve 15 changes position according to the shape of the second elliptical top block 11, which can realize the outward pushing and inward retraction operations of the second sliding sleeve 15, and the second sliding sleeve 15 drives the second plug rod 9 to perform outward pushing and inward retraction operations; during the process of the second plug rod 9 pushing outward, the second plug rod 9 extends from the first plug 4 and is inserted into the limiting groove 7, thereby realizing the limiting locking of the first plug 4 and the first slot 5; during the process of the second plug rod 9 retracting inward, the second sliding sleeve 15 drives the second plug rod 9 to be pulled out from the limiting groove 7 and retracted into the first plug 4, thereby releasing the limiting locking of the first plug 4 and the first slot 5.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A polyurethane sandwich panel for cold storage with hidden nails, comprising a sandwich panel body (1), characterized in that: A splicing block (2) is provided at one end of the sandwich panel body (1), and a splicing socket (3) matching the splicing block (2) is provided at the other end of the sandwich panel body (1); a first plug (4) is provided on the inner side of the splicing block (2) on the outer wall of the sandwich panel body (1), and a first slot (5) matching the first plug (4) is provided on the inner wall of the splicing socket (3); a rotatably connected hidden nail rod (6) is provided inside the sandwich panel body (1), one end of the hidden nail rod (6) extends into the first plug (4), and the other end of the hidden nail rod (6) extends into the first slot (5); a movably connected limit plug is provided on the outer wall of the hidden nail rod (6) inside the first plug (4), and a limit groove (7) matching the limit plug is provided on the inner wall of the first slot (5).

2. The polyurethane sandwich panel for cold storage with hidden nails according to claim 1, characterized in that: The limiting plug-in comprises a plurality of first plug-in rods (8) and a second plug-in rod (9), the first plug-in rods (8) and the second plug-in rods (9) are arranged in parallel, the outer wall of the hidden nail rod (6) is provided with a plurality of first elliptical top blocks (10) and a second elliptical top blocks (11), the first plug-in rod (8) is movably arranged outside the first elliptical top block (10), and the second plug-in rod (9) is movably arranged outside the second elliptical top block (11).

3. The polyurethane sandwich panel for cold storage with hidden nails according to claim 2, characterized in that: The outer wall of the first elliptical top block (10) is provided with a first sliding bar (12), one end of the outer wall of the first insertion rod (8) is provided with a first sliding sleeve (13) matching the first sliding bar (12), the outer wall of the second elliptical top block (11) is provided with a second sliding bar (14), and one end of the outer wall of the second insertion rod (9) is provided with a second sliding sleeve (15) matching the second sliding bar (14).

4. The polyurethane sandwich panel for cold storage with hidden nails according to claim 3, characterized in that: The cross-sections of the first sliding bar (12) and the second sliding bar (14) are circular structures, inverted trapezoidal structures or T-shaped structures.

5. The polyurethane sandwich panel for cold storage with hidden nails according to claim 2, characterized in that: A first through hole (16) matching the first plug rod (8) is provided inside the first plug (4), a first movable cavity (18) matching the first elliptical top block (10) is provided inside the first plug (4), and the first through hole (16) and the first movable cavity (18) are communicated with each other; a second through hole (17) matching the second plug rod (9) is provided inside the first plug (4), a second movable cavity (19) matching the second elliptical top block (11) is provided inside the first plug (4), and the second through hole (17) and the second movable cavity (19) are communicated with each other.

6. The polyurethane sandwich panel for cold storage with hidden nails according to claim 2, characterized in that: A second plug (20) is provided at one end of the outer wall of the sandwich panel body (1) outside the first plug (4), a second slot (21) matching the second plug (20) is provided at the other end of the sandwich panel body (1), and a third slot (22) matching the second plug (20) is provided on the outer wall of the second plug (20).

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