Heat insulation insect prevention type granary inspection door

By adopting the "door-in-door" design and sealing structure in the granary inspection door, the problems of poor thermal insulation effect and easy fallout of insect-proof nets and thermal insulation aluminum foil in the existing technology are solved, and better sealed thermal insulation effect and insect-proof effect are achieved.

CN222686512UActive Publication Date: 2025-03-28FANGCHENGGANG ZHONGCHU GRAIN STORAGE CO LTD
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Patent Information

Application Number
CN202421298883.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-03-28
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

The existing granary inspection door has poor thermal insulation effect, and the insect-proof net and thermal insulation aluminum foil are prone to fall off, resulting in dust absorption and airflow hot and cold exchange.

Method used

Adopting the "door-in-door" design, an insect-proof net and sealing structure are set up between the outer door, inner door and the installation base, including a primary sealing unit, a secondary sealing unit and a locking structure, and the sealing action is achieved through a linear motor and sealing strip.

Benefits of technology

It improves the sealed and heat insulation effect of the granary inspection door, reduces the exchange of cold and heat in the airflow, ensures the effect of insect prevention and heat insulation, and at the same time, it stably connects the inner layer and the middle layer to avoid the fall of the structural parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a heat-insulation insect-proof granary inspection door, which relates to the field of grain storage and comprises a door body, an outer door, an inner door and an installation base body, an outer door installation groove is arranged on the outer side of the inner door, an insect-proof net is arranged on the outer door installation groove, an inner door installation groove is arranged on the outer side of the installation base body, and the inner door installation groove is a through groove; the sealing structure comprises a first-stage sealing unit, a second-stage sealing unit and a locking structure, and the locking structure is used for opening or closing the door body; in the double-opening state, the outer door and the inner door are both opened, and the first-stage sealing unit and the second-stage sealing unit do not conduct sealing action; and in the closed state, the outer door and the inner door are both closed, and the first-stage sealing unit and the second-stage sealing unit conduct sealing action. On the basis of heat insulation and insect prevention, on one hand, the connection stability of the inner layer and the middle layer is guaranteed, falling of structural parts is avoided, on the other hand, the airtight heat insulation effect of the inspection door is greatly improved, and airflow cold and heat exchange of the inspection door is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of grain storage, in particular to a heat-insulating and insect-proof grain bin inspection door. Background Art

[0002] In the prior art, the granary inspection door consists of three layers: inner, middle and outer. The outer layer is installed with an insulating aluminum window, the middle layer is attached with an insect-proof gauze by means of a mother-and-child sticker, and the inner layer is attached with an insulating aluminum foil by means of a mother-and-child sticker. This fixing structure has the following problems: ① Since the middle and inner layers are fixed with letter stickers, this fixing structure can easily cause the insect-proof gauze and the insulating aluminum foil to fall off, thereby absorbing dust; ② The original insulating aluminum foil is relatively thin and there are gaps in the fixing method, resulting in frequent heat exchange in the airflow, resulting in poor airtight insulation effect. Therefore, there is an urgent need for an insulating and insect-proof granary inspection door. On the basis of insulation and insect prevention, on the one hand, it is necessary to ensure the connection stability of the inner and middle layers to avoid the falling of structural parts, and on the other hand, it is necessary to improve the airtight insulation effect of the inspection door and reduce the heat exchange of the airflow in the inspection door. Utility Model Content

[0003] The purpose of the utility model is to provide a heat-insulating and insect-proof granary inspection door to improve the above problems. In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0004] A heat-insulating and insect-proof granary inspection door, comprising:

[0005] A door body, the door body comprising an outer door, an inner door and a mounting base, the inner door being arranged between the outer door and the mounting base, an outer door mounting groove being arranged on the outer side of the inner door, an insect-proof net being arranged on the outer door mounting groove, an inner door mounting groove being arranged on the outer side of the mounting base, and the inner door mounting groove being a through groove;

[0006] A sealing structure, the sealing structure comprising a primary sealing unit, a secondary sealing unit and a locking structure, the primary sealing unit being arranged on the outer door, the secondary sealing unit being arranged on the inner door, and the locking structure being used to open or close the door body;

[0007] When it is in a single-open state, the outer door is open, the inner door is arranged in the inner door installation groove, the primary sealing unit does not perform a sealing action, and the secondary sealing unit performs a sealing action; when it is in a double-open state, the outer door and the inner door are both opened, and the primary sealing unit and the secondary sealing unit do not perform a sealing action; when it is in a closed state, the outer door and the inner door are both closed, and the primary sealing unit and the secondary sealing unit both perform a sealing action.

[0008] Preferably, the primary sealing unit comprises a first linear motor, a first convex sealing strip and a first concave sealing strip, the first linear motor is fixedly connected to the outer door, the output end of the first linear motor is drivingly connected to the first convex sealing strip, and the first concave sealing strip is fixedly arranged on the groove wall of the outer door installation groove;

[0009] When the primary sealing unit is working: the first convex sealing strip and the first concave sealing strip are positioned correspondingly, and the output end of the first linear motor drives the first convex sealing strip to move horizontally until the first convex sealing strip and the first concave sealing strip are squeezed against each other.

[0010] Preferably, the surfaces of the first convex sealing strip and the first concave sealing strip are both provided with a magnetic layer, and when the primary sealing unit is working: the magnetic layer of the first convex sealing strip and the magnetic layer of the first concave sealing strip attract each other.

[0011] Preferably, the secondary sealing unit comprises a second linear motor, a second convex sealing strip and a second concave sealing strip, the second linear motor is fixedly connected to the inner door, the output end of the second linear motor is drivingly connected to the second convex sealing strip, and the second concave sealing strip is fixedly arranged on the groove wall of the outer door mounting groove;

[0012] When the secondary sealing unit is working: the second convex sealing strip and the second concave sealing strip are positioned correspondingly, and the output end of the second linear motor drives the second convex sealing strip to move horizontally until the second convex sealing strip and the second concave sealing strip are squeezed against each other.

[0013] Preferably, the locking structure comprises an outer door lock and an inner door lock, a first lock slot is provided on the inner door, and a second lock slot is provided on the mounting base;

[0014] When the outer door is closed, the outer door lock is engaged and fixed in the first lock groove; when the inner door is closed, the inner door lock is engaged and fixed in the second lock groove.

[0015] Preferably, the outer door lock and the inner door lock are both push-handle locks.

[0016] Preferably, the mesh size of the insect-proof net is 100 meshes.

[0017] Preferably, annular sealing strips are provided around the outer door mounting groove and the inner door mounting groove.

[0018] Preferably, the outer surface of the outer door, the outer surface of the inner door and the outer surface of the installation base are all provided with a heat insulation layer.

[0019] Preferably, the outer door and the inner door are both left- and right-opening type, and have the same opening direction.

[0020] The beneficial effects of the utility model are:

[0021] The door body in the inspection door includes an outer door, an inner door and an installation base. The outer door, the inner door and the installation base adopt the concept of "door in door" to ensure the connection stability of the inner layer and the middle layer. The inner door is integrally provided with an insect-proof net to ensure insect-proofness. In addition, the inspection door introduces a sealing structure, which includes a primary sealing unit, a secondary sealing unit and a locking structure, which greatly improves the airtight and heat-insulating effect of the inspection door. While ensuring the heat insulation, it also reduces the cold and heat exchange of the airflow of the inspection door.

[0022] Other features and advantages of the present invention will be described in the following description, and some of them will become obvious from the description or be understood by implementing the embodiments of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 This is a schematic diagram of the structure of the utility model when the inspection door is in a closed state;

[0025] Figure 2 This is a schematic diagram of the structure of one side when the inspection door is in a single-open state in the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the other side when the inspection door is in a single-open state in the utility model;

[0027] Figure 4 This is a schematic diagram of the structure of one side when the inspection door is in a double-open state in the utility model;

[0028] Figure 5 This is a schematic diagram of the structure of the other side when the inspection door is in a double-open state in the utility model;

[0029] Figure 6 It is a schematic structural diagram of the first linear motor and the first convex sealing strip in the utility model;

[0030] Markings in the figure:

[0031] 1. Outer door; 2. Inner door; 3. Mounting base; 21. Outer door mounting groove; 22. Insect screen; 31. Inner door mounting groove; 4. Primary sealing unit; 5. Secondary sealing unit; 41. First linear motor; 42. First convex sealing strip; 43. First concave sealing strip; 51. Second linear motor; 52. Second convex sealing strip; 53. Second concave sealing strip; 61. Outer door lock; 62. Inner door lock; 63. First lock groove; 64. Second lock groove. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model for protection, but merely represents the selected embodiment of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0033] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. At the same time, in the description of the present utility model, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0034] A heat-insulating and insect-proof granary inspection door, comprising:

[0035] like Figure 1 As shown, the door body comprises an outer door 1, an inner door 2 and a mounting base 3, wherein the inner door 2 is arranged between the outer door 1 and the mounting base 3;

[0036] like Figure 2 As shown, an outer door mounting groove 21 is provided on the outer side of the inner door 2, and an insect-proof net 22 is provided on the outer door mounting groove 21; Figure 4 As shown, an inner door mounting groove 31 is provided on the outer side of the mounting base 3, and the inner door mounting groove 31 is a through groove;

[0037] A sealing structure, the sealing structure comprising a primary sealing unit 4, a secondary sealing unit 5 and a locking structure, the primary sealing unit 4 being arranged on the outer door 1, the secondary sealing unit 5 being arranged on the inner door 2, and the locking structure being used to open or close the door body;

[0038] When it is in a single-open state, the outer door 1 is open, the inner door 2 is arranged in the inner door mounting groove 31, the primary sealing unit 4 does not perform a sealing action, and the secondary sealing unit 5 performs a sealing action; when it is in a double-open state, the outer door 1 and the inner door 2 are both opened, and the primary sealing unit 4 and the secondary sealing unit 5 do not perform a sealing action; when it is in a closed state, the outer door 1 and the inner door 2 are both closed, and the primary sealing unit 4 and the secondary sealing unit 5 both perform a sealing action.

[0039] like Figure 2 and Figure 3 As shown, in the present utility model, in order to clarify the specific structure of the primary sealing unit 4, the primary sealing unit 4 includes a first linear motor 41, a first convex sealing strip 42 and a first concave sealing strip 43, the first linear motor 41 is fixedly connected to the outer door 1, the output end of the first linear motor 41 is transmission-connected to the first convex sealing strip 42, and the first concave sealing strip 43 is fixedly arranged on the groove wall of the outer door mounting groove 21;

[0040] When the primary sealing unit 4 is working: the first convex sealing strip 42 and the first concave sealing strip 43 are positioned correspondingly, and the output end of the first linear motor 41 drives the first convex sealing strip 42 to move horizontally until the first convex sealing strip 42 and the first concave sealing strip 43 are squeezed against each other.

[0041] like Figure 6 As shown, the first convex sealing strip 42 can be an arc-shaped protrusion, and the first concave sealing strip 43 is adapted. Preferably, the cross-sectional size of the first concave sealing strip 43 is larger than the cross-sectional size of the first convex sealing strip 42.

[0042] Preferably, in order to strengthen the connection stability between the first convex sealing strip 42 and the first concave sealing strip 43 and improve the sealing effect, the surface of the first convex sealing strip 42 and the surface of the first concave sealing strip 43 are both provided with a magnetic layer. When the primary sealing unit 4 is working: the magnetic layer of the first convex sealing strip 42 and the magnetic layer of the first concave sealing strip 43 attract each other.

[0043] Preferably, annular sealing strips are provided around the outer door mounting groove 21 and the inner door mounting groove 31 .

[0044] like Figure 4 and Figure 5As shown, in the present utility model, in order to clarify the specific structure of the secondary sealing unit 5, the secondary sealing unit 5 includes a second linear motor 51, a second convex sealing strip 52 and a second concave sealing strip 53, the second linear motor 51 is fixedly connected to the inner door 2, the output end of the second linear motor 51 is transmission-connected to the second convex sealing strip 52, and the second concave sealing strip 53 is fixedly arranged on the groove wall of the outer door mounting groove 21;

[0045] When the secondary sealing unit 5 is working: the second convex sealing strip 52 and the second concave sealing strip 53 are positioned correspondingly, and the output end of the second linear motor 51 drives the second convex sealing strip 52 to move horizontally until the second convex sealing strip 52 and the second concave sealing strip 53 are squeezed against each other.

[0046] In the above structure, a magnetic layer may be provided on the surface of the second convex sealing strip 52 and the surface of the second concave sealing strip 53 to enhance the stability of the connection and improve the sealing effect.

[0047] To clarify the specific setting of the locking structure in the inspection door, the locking structure includes an outer door lock 61 and an inner door lock 62, a first locking groove 63 is provided on the inner door 2, and a second locking groove 64 is provided on the mounting base 3;

[0048] When the outer door 1 is closed, the outer door lock 61 is engaged and fixed in the first lock groove 63 ; when the inner door 2 is closed, the inner door lock 62 is engaged and fixed in the second lock groove 64 .

[0049] Furthermore, the outer door lock 61 and the inner door lock 62 are both push-handle locks.

[0050] In this inspection door, in order to enhance the heat insulation, a heat insulation layer is provided on the outer surface of the outer door 1, the outer surface of the inner door 2 and the outer surface of the mounting base 3. Preferably, the outer door 1 and the inner door 2 are both left and right side-opening types, and the opening directions are the same. In order to effectively ensure the insect-proof effect, the mesh number of the insect-proof net 22 is 100 meshes.

[0051] The outer frame of the inspection door is formed by one-time bending, and the specification can be 60mm*50mm, and the material thickness is 1.75mm 305 stainless steel plate. The thickness of the door leaf of the outer door 1 and the inner door 2 can be 50mm, and a margin of about 150mm is reserved for the surrounding frames.

[0052] The door body of the inspection door includes an outer door 1, an inner door 2 and an installation base 3. The outer door 1, the inner door 2 and the installation base 3 adopt the concept of "door in door" to ensure the connection stability of the inner layer and the middle layer, wherein the inner door 2 is integrally provided with an insect-proof net 22 to ensure insect-proofness; in addition, the inspection door introduces a sealing structure, which includes a primary sealing unit 4, a secondary sealing unit 5 and a locking structure, which greatly improves the airtight insulation effect of the inspection door, while ensuring the insulation, it also reduces the cold and heat exchange of the airflow of the inspection door.

[0053] In addition, the inspection door improves the convenience of entering and exiting the warehouse, and avoids the phenomenon of damaging the PEF insulation board of the inspection door during daily operations of entering and exiting the warehouse.

[0054] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. 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.

[0055] The above description is only a specific implementation of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention.

Claims

1. A heat-insulating and insect-proof granary inspection door, characterized in that: include: A door body, the door body comprising an outer door (1), an inner door (2) and a mounting base (3), the inner door (2) being arranged between the outer door (1) and the mounting base (3), an outer door mounting groove (21) being arranged on the outer side of the inner door (2), an insect-proof net (22) being arranged on the outer door mounting groove (21), an inner door mounting groove (31) being arranged on the outer side of the mounting base (3), and the inner door mounting groove (31) being a through groove; A sealing structure, the sealing structure comprising a primary sealing unit (4), a secondary sealing unit (5) and a locking structure, the primary sealing unit (4) being arranged on the outer door (1), the secondary sealing unit (5) being arranged on the inner door (2), and the locking structure being used to open or close the door body; When in a single-open state, the outer door (1) is open, the inner door (2) is arranged in the inner door installation groove (31), the primary sealing unit (4) does not perform a sealing action, and the secondary sealing unit (5) performs a sealing action; when in a double-open state, the outer door (1) and the inner door (2) are both opened, and the primary sealing unit (4) and the secondary sealing unit (5) do not perform a sealing action; when in a closed state, the outer door (1) and the inner door (2) are both closed, and the primary sealing unit (4) and the secondary sealing unit (5) both perform a sealing action.

2. The heat-insulating and insect-proof granary inspection door according to claim 1 is characterized in that: The primary sealing unit (4) comprises a first linear motor (41), a first convex sealing strip (42) and a first concave sealing strip (43); the first linear motor (41) is fixedly connected to the outer door (1); the output end of the first linear motor (41) is transmission-connected to the first convex sealing strip (42); and the first concave sealing strip (43) is fixedly arranged on the groove wall of the outer door installation groove (21); When the primary sealing unit (4) is working: the first convex sealing strip (42) and the first concave sealing strip (43) are positioned correspondingly, and the output end of the first linear motor (41) drives the first convex sealing strip (42) to move horizontally until the first convex sealing strip (42) and the first concave sealing strip (43) are pressed against each other.

3. The heat-insulating and insect-proof granary inspection door according to claim 2 is characterized in that: The surface of the first convex sealing strip (42) and the surface of the first concave sealing strip (43) are both provided with a magnetic layer, and when the primary sealing unit (4) is working: the magnetic layer of the first convex sealing strip (42) and the magnetic layer of the first concave sealing strip (43) attract each other.

4. The heat-insulating and insect-proof granary inspection door according to claim 1 is characterized in that: The secondary sealing unit (5) comprises a second linear motor (51), a second convex sealing strip (52) and a second concave sealing strip (53); the second linear motor (51) is fixedly connected to the inner door (2); the output end of the second linear motor (51) is transmission-connected to the second convex sealing strip (52); and the second concave sealing strip (53) is fixedly arranged on the groove wall of the outer door installation groove (21); When the secondary sealing unit (5) is in operation, the second convex sealing strip (52) and the second concave sealing strip (53) are positioned correspondingly, and the output end of the second linear motor (51) drives the second convex sealing strip (52) to move horizontally until the second convex sealing strip (52) and the second concave sealing strip (53) are pressed against each other.

5. The heat-insulating and insect-proof granary inspection door according to claim 1 is characterized in that: The locking structure comprises an outer door lock (61) and an inner door lock (62); a first locking groove (63) is provided on the inner door (2), and a second locking groove (64) is provided on the mounting base (3); When the outer door (1) is closed, the outer door lock (61) is engaged and fixed in the first lock slot (63); when the inner door (2) is closed, the inner door lock (62) is engaged and fixed in the second lock slot (64).

6. The heat-insulating and insect-proof granary inspection door according to claim 5 is characterized in that: The outer door lock (61) and the inner door lock (62) are both push-bar locks.

7. The heat-insulating and insect-proof granary inspection door according to claim 1 is characterized in that: The mesh number of the insect-proof net (22) is 100 meshes.

8. The heat-insulating and insect-proof granary inspection door according to claim 1 is characterized in that: Annular sealing strips are provided around the outer door installation groove (21) and the inner door installation groove (31).

9. The heat-insulating and insect-proof granary inspection door according to claim 1, characterized in that: The outer surface of the outer door (1), the outer surface of the inner door (2) and the outer surface of the installation base (3) are all provided with a heat insulation layer.

10. A heat-insulating and insect-proof granary inspection door according to any one of claims 1 to 9, characterized in that: The outer door (1) and the inner door (2) are both left- and right-opening type, and have the same opening direction.