Externally-hung wallboard prefabricated structure and building

Abstract

The utility model relates to an externally-hung wallboard prefabricated structure and a building, the externally-hung wallboard prefabricated structure comprises a rear plate unit, a first connecting unit, a second connecting unit, an exterior trimming unit, a fixing unit, a third connecting unit, a fourth connecting unit and a control unit, the rear plate unit is arranged on a wall surface and is connected with the wall surface; the first connecting unit is arranged at the front end of the rear plate unit; the second connecting unit is arranged at the front end of the rear plate unit and located on the upper portion of the first connecting unit. The utility model has the advantages that the rear plate unit and the exterior trimming unit are matched for use, so that the rear plate unit and the exterior trimming unit are separately mounted, and the subsequent mounting and dismounting of the rear plate unit and the exterior trimming unit are facilitated; the first connecting unit, the second connecting unit, the third connecting unit and the fourth connecting unit are used in cooperation, so that the exterior trimming unit can be connected to the rear plate unit in a clamped mode, and installation is convenient; the third connecting unit is separated from the first connecting unit by lifting the exterior trimming unit, so that the exterior trimming unit is convenient to disassemble.

Description

Technical Field

[0001] The utility model relates to the technical field related to construction engineering, and in particular to a prefabricated structure of an external wall panel and a building. Background Art

[0002] At present, prefabricated wall panels are a kind of concrete plate-type components widely used in the field of construction. They are often hung on the main structure to play the role of enclosing and decorating the main structure.

[0003] In existing construction, when prefabricated wall panels are used as external wall panels, they are mostly fixed by multi-point piling. The piling points are generally evenly distributed to improve the connection tightness between the external wall panels and the main structure. However, this fixed structure makes it difficult to disassemble the external wall panels from the main structure, which makes it cumbersome and inconvenient to disassemble the external wall panels after they are hung.

[0004] Currently, no effective solution has been proposed for the problem that the external wall panels in the relevant technology are complicated and inconvenient to disassemble. Utility Model Content

[0005] The purpose of the utility model is to provide a prefabricated structure and building of external wall panels in view of the deficiencies in the prior art, so as to solve the problem that the external wall panels existing in the related art are complicated and inconvenient to disassemble.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] In a first aspect, a prefabricated structure of an external wall panel is provided, comprising:

[0008] A rear panel unit, wherein the rear panel unit is disposed on the wall surface and connected to the wall surface;

[0009] a first connecting unit, the first connecting unit being arranged at a front end of the rear plate unit;

[0010] a second connection unit, the second connection unit being arranged at a front end of the rear plate unit and located above the first connection unit;

[0011] An exterior decoration unit, the exterior decoration unit being detachably arranged at a front end of the rear panel unit;

[0012] A fixing unit, the fixing unit being arranged at a rear end of the exterior unit;

[0013] a third connecting unit, the third connecting unit being disposed at a rear end of the exterior unit and located at a lower portion of the fixing unit and being detachably connected to the first connecting unit;

[0014] A fourth connecting unit, the fourth connecting unit is arranged at the top of the rear end of the exterior unit and is located at the upper part of the fixing unit, the bottom end of the fourth connecting unit is slidably connected to the fixing unit and is detachably connected to the second connecting unit;

[0015] A control unit, the top of which is connected to the fourth connection unit, and the bottom of which passes through the fixing unit, the third connection unit, and the first connection unit in sequence, so as to drive the fourth connection unit to move downward in a vertical direction to separate from the second connection unit.

[0016] In some of the embodiments, the rear panel unit comprises:

[0017] A rear plate element is arranged on a wall surface, and the front end of the rear plate element is respectively provided with the first connection unit and the second connection unit, and is respectively connected to the first connection unit, the second connection unit and the wall surface.

[0018] In some of the embodiments, the exterior unit includes:

[0019] An exterior decoration element is detachably arranged at the front end of the rear plate unit, and the fixing unit, the third connecting unit and the fourth connecting unit are respectively arranged at the rear end of the exterior decoration element and are respectively connected to the fixing unit and the third connecting unit.

[0020] In some embodiments, the first connecting unit includes:

[0021] a first supporting element, which is disposed at a front end of the rear plate unit, is located below the second connecting unit, and is connected to the rear plate unit;

[0022] a first connecting element, which is disposed at a top end of the first supporting element and is detachably connected to the third connecting unit;

[0023] A first through-slot element, wherein the first through-slot element passes through a bottom end of the first supporting element and is communicated with the first connecting element, and is used for allowing the control unit to pass through the first supporting element.

[0024] In some embodiments, the second connecting unit includes:

[0025] a second supporting element, the second supporting element being disposed at a front end of the rear plate unit and being located above the first connecting unit;

[0026] A second connecting element is disposed on the second supporting element and is detachably connected to the fourth connecting unit.

[0027] In some embodiments, the fixing unit includes:

[0028] a third supporting element, the third supporting element being disposed at a rear end of the exterior unit and between the third connecting unit and the fourth connecting unit;

[0029] at least one first sliding element, the first sliding element being disposed through the third supporting element and being slidably connected to the fourth connecting unit;

[0030] A second through-slot element is provided to penetrate the third supporting element, and is used for allowing the control unit to pass through the third supporting element.

[0031] In some embodiments, the third connection unit includes:

[0032] a third connecting element, the third connecting element being disposed at a rear end of the exterior unit and below the fixing unit and being detachably connected to the first connecting unit;

[0033] A third through-slot element is disposed through the third connecting element and is used for allowing the control unit to pass through the third connecting element.

[0034] In some embodiments, the fourth connecting unit includes:

[0035] a fourth connecting element, the fourth connecting element being movably disposed at the rear end of the exterior unit and located at the upper part of the fixing unit, the bottom end of the fourth connecting element being connected to the top end of the control unit, and being used for moving downward in the vertical direction under the action of the control unit;

[0036] at least one second sliding element, which is disposed at the bottom end of the fourth connecting element and is slidably connected to the fixing unit;

[0037] At least one first limiting element, wherein the first limiting element is disposed at the bottom end of the second sliding element and located at the bottom end of the fixing unit, and is used to limit the movement range of the second sliding element.

[0038] In some embodiments, the fourth connecting unit further includes:

[0039] At least one elastic element, the elastic element is sleeved on the second sliding element and is respectively connected to the fixing unit and the fourth connecting element.

[0040] In some embodiments, the fourth connecting unit further includes:

[0041] At least one second limiting element, wherein the second limiting element is disposed on a side of the fourth connecting element and is used to limit a movement range of the fourth connecting element.

[0042] In some of the embodiments, the control unit includes:

[0043] A manipulation element, the top of which is connected to the fourth connection unit, and the bottom of which passes through the fixing unit, the third connection unit, and the first connection unit in sequence, so as to drive the fourth connection unit to move downward in a vertical direction to separate from the second connection unit.

[0044] In a second aspect, a building is provided, comprising:

[0045] As described in the first aspect, the prefabricated structure of the external wall panel is installed on the wall.

[0046] The utility model adopts the above technical solution, and compared with the prior art, has the following technical effects:

[0047] The utility model provides an external wall panel prefabricated structure and building, which utilizes the coordinated use of a rear panel unit and an exterior decoration unit so that the two can be installed separately, which is convenient for subsequent installation and disassembly between the two; the exterior decoration unit can be snap-connected to the rear panel unit by utilizing the coordinated use of a first connection unit, a second connection unit, a third connection unit and a fourth connection unit for easy installation; the third connection unit is separated from the first connection unit by lifting the exterior decoration unit, which is convenient for disassembly of the exterior decoration unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 This is a three-dimensional structural schematic diagram of a prefabricated structure of an external wall panel according to an embodiment of the utility model;

[0049] Figure 2 This is an exploded view of the prefabricated structure of the external wall panel according to an embodiment of the utility model;

[0050] Figure 3 It is a three-dimensional structural schematic diagram of a part of the prefabricated structure of the external wall panel according to an embodiment of the utility model;

[0051] Figure 4 is a schematic diagram of the three-dimensional structure of the rear plate unit according to an embodiment of the utility model;

[0052] Figure 5 is a schematic diagram of the three-dimensional structure of the first connecting unit according to an embodiment of the utility model;

[0053] Figure 6 is a schematic diagram of the three-dimensional structure of the second connecting unit according to an embodiment of the utility model;

[0054] Figure 7 is a schematic diagram of the three-dimensional structure of the exterior decoration unit according to an embodiment of the utility model;

[0055] Figure 8 is a schematic diagram of the three-dimensional structure of a fixing unit according to an embodiment of the utility model;

[0056] Fig. 9 is a schematic diagram of the three-dimensional structure of the third connecting unit according to an embodiment of the utility model;

[0057] Fig.10 is an exploded diagram of a fourth connection unit according to an embodiment of the present utility model;

[0058] Fig.11 is a schematic diagram of a three-dimensional structure of a portion of a control unit according to an embodiment of the utility model;

[0059] The reference numerals are: 100, rear plate unit; 101, rear plate element;

[0060] 200, first connecting unit; 201, first supporting element; 202, first connecting element; 203, first through-groove element;

[0061] 300, second connecting unit; 301, second supporting element; 302, second connecting element;

[0062] 400. Exterior unit; 401. Exterior element;

[0063] 500, fixing unit; 501, third supporting element; 502, first sliding element; 503, second through-slot element;

[0064] 600, third connecting unit; 601, third connecting element; 602, third through-slot element;

[0065] 700, fourth connecting unit; 701, fourth connecting element; 702, second sliding element; 703, first limiting element; 704, elastic element; 705, second limiting element;

[0066] 800, control unit; 801, control element. DETAILED DESCRIPTION

[0067] 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 of 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.

[0068] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0069] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0070] Example 1

[0071] This embodiment relates to a prefabricated structure of an external wall panel of the utility model.

[0072] An illustrative embodiment of the present utility model is as follows: Figure 1 , Figure 2 , Figure 3 As shown, a prefabricated structure of an external wall panel includes a rear panel unit 100, a first connection unit 200, a second connection unit 300, an exterior unit 400, a fixing unit 500, a third connection unit 600, a fourth connection unit 700 and a control unit 800. The rear panel unit 100 is arranged on the wall and connected to the wall; the first connection unit 200 is arranged at the front end of the rear panel unit 100; the second connection unit 300 is arranged at the front end of the rear panel unit 100 and is located at the upper part of the first connection unit 200; the exterior unit 400 is detachably arranged at the front end of the rear panel unit 100; the fixing unit 500 is arranged at the rear end of the exterior unit 400; the third connection unit 600 is arranged at the rear end of the exterior unit 400 and is located at the lower part of the fixing unit 500, and is detachably connected to the first connection unit 200. ; The fourth connecting unit 700 is arranged at the top of the rear end of the exterior unit 400 and is located on the upper part of the fixing unit 500. The bottom end of the fourth connecting unit 700 is slidably connected to the fixing unit 500 and is detachably connected to the second connecting unit 300; the top end of the control unit 800 is connected to the fourth connecting unit 700, and the bottom end of the control unit 800 passes through the fixing unit 500, the third connecting unit 600, and the first connecting unit 200 in sequence, and is used to drive the fourth connecting unit 700 to move downward in the vertical direction to separate from the second connecting unit 300.

[0073] like Figure 4 As shown, the rear panel unit 100 includes a rear panel element 101. The rear panel element 101 is disposed on a wall, and a first connection unit 200 and a second connection unit 300 are disposed at the front end of the rear panel element 101, and are connected to the first connection unit 200, the second connection unit 300 and the wall, respectively.

[0074] The rear plate member 101 has a rectangular cross section.

[0075] In some of the embodiments, the rear plate element 101 is made of metal material, including but not limited to stainless steel and aluminum alloy.

[0076] In some of the embodiments, the rear plate component 101 is a mounting plate.

[0077] like Figure 5 As shown, the first connection unit 200 includes a first support element 201, a first connection element 202 and a first through-slot element 203. The first support element 201 is disposed at the front end of the rear panel unit 100, is located below the second connection unit 300, and is connected to the rear panel unit 100; the first connection element 202 is disposed at the top end of the first support element 201, and is detachably connected to the third connection unit 600; the first through-slot element 203 passes through the bottom end of the first support element 201, and is connected to the first connection element 202, so as to allow the control unit 800 to pass through the first support element 201.

[0078] Specifically, the first supporting element 201 is disposed at the front end of the rear plate element 101 .

[0079] The cross section of the first supporting element 201 is rectangular.

[0080] The size of the first support element 201 matches the size of the rear plate element 101. Generally, the length of the first support element 201 is smaller than the length of the rear plate element 101, the width of the first support element 201 is larger than the width of the rear plate element 101, and the height of the first support element 201 is smaller than the height of the rear plate element 101.

[0081] In some of the embodiments, the first support element 201 is fixedly connected to the rear plate element 101, including but not limited to bolt connection.

[0082] In some of the embodiments, the first supporting element 201 is made of metal material, including but not limited to stainless steel and aluminum alloy.

[0083] In some of the embodiments, the first supporting element 201 is a first supporting plate.

[0084] The cross section of the first connecting element 202 is rectangular.

[0085] The size of the first connecting element 202 matches the size of the first supporting element 201. Generally, the length of the first connecting element 202 is smaller than the length of the first supporting element 201, the width of the first connecting element 202 is smaller than the width of the first supporting element 201, and the height of the first connecting element 202 is smaller than the height of the first supporting element 201.

[0086] In some embodiments, the first connecting element 202 is a first connecting groove.

[0087] The cross section of the first through-groove element 203 is circular, rectangular with rounded corners, or the like.

[0088] The size of the first through-groove element 203 matches the size of the first connecting element 202. Generally, the radial size of the first through-groove element 203 is smaller than the length and width of the first connecting element 202.

[0089] In some of the embodiments, the first through-slot element 203 is a first through-slot.

[0090] like Figure 6 As shown, the second connection unit 300 includes a second supporting element 301 and a second connecting element 302. The second supporting element 301 is arranged at the front end of the rear plate unit 100 and is located above the first connecting unit 200; the second connecting element 302 is arranged at the second supporting element 301 and is detachably connected to the fourth connecting unit 700.

[0091] Specifically, the second supporting element 301 is disposed at the front end of the rear plate element 101 , is located above the first supporting element 201 , and is connected to the rear plate element 101 .

[0092] The cross section of the second supporting element 301 is rectangular.

[0093] The size of the second support element 301 matches the size of the rear plate element 101. Generally, the length of the second support element 301 is smaller than the length of the rear plate element 101, the width of the second support element 301 is larger than the width of the rear plate element 101, and the height of the second support element 301 is smaller than the height of the rear plate element 101.

[0094] The size of the second support element 301 matches the size of the first support element 201. Generally, the length of the second support element 301 is equal to the length of the first support element 201.

[0095] In some of the embodiments, the second supporting element 301 is fixedly connected to the rear plate element 101, including but not limited to bolt connection.

[0096] In some of the embodiments, the second supporting element 301 is made of metal material, including but not limited to stainless steel and aluminum alloy.

[0097] In some of the embodiments, the second supporting element 301 is a second supporting plate.

[0098] The cross section of the second connecting element 302 is rectangular.

[0099] The size of the second connecting element 302 matches the size of the second supporting element 301. Generally, the length of the second connecting element 302 is smaller than the length of the second supporting element 301, the width of the second connecting element 302 is smaller than the width of the second supporting element 301, and the height of the second connecting element 302 is equal to the height of the second supporting element 301.

[0100] In some embodiments, the second connecting element 302 is a second connecting groove.

[0101] like Figure 7 As shown, the exterior decoration unit 400 includes an exterior decoration element 401. The exterior decoration element 401 is detachably arranged at the front end of the rear plate unit 100, and the rear end of the exterior decoration element 401 is respectively provided with a fixing unit 500, a third connecting unit 600, and a fourth connecting unit 700, and is respectively connected to the fixing unit 500 and the third connecting unit 600.

[0102] Specifically, the exterior component 401 is detachably disposed at the front end of the rear plate component 101 .

[0103] The cross section of the exterior member 401 is rectangular.

[0104] The size of the exterior element 401 matches the size of the rear plate element 101. Generally, the length of the exterior element 401 is greater than the length of the rear plate element 101, the width of the exterior element 401 is less than the width of the rear plate element 101, and the height of the exterior element 401 is greater than the height of the rear plate element 101.

[0105] In some of the embodiments, the exterior decoration element 401 is made of artificial board material.

[0106] In some of the embodiments, the exterior component 401 is a decorative panel.

[0107] like Figure 8 As shown, the fixing unit 500 includes a third supporting element 501, at least one first sliding element 502 and a second through-slot element 503. The third supporting element 501 is disposed at the rear end of the exterior unit 400 and is located between the third connecting unit 600 and the fourth connecting unit 700; the first sliding element 502 is disposed through the third supporting element 501 and is slidably connected to the fourth connecting unit 700; the second through-slot element 503 is disposed through the third supporting element 501 and is used for allowing the control unit 800 to pass through the third supporting element 501.

[0108] Specifically, the third supporting element 501 is disposed at the rear end of the exterior element 401 .

[0109] The cross section of the third supporting element 501 is rectangular.

[0110] The size of the third support element 501 matches the size of the exterior element 401. Generally, the length of the third support element 501 is smaller than the length of the exterior element 401, the width of the third support element 501 is larger than the width of the exterior element 401, and the height of the third support element 501 is smaller than the height of the exterior element 401.

[0111] In some of the embodiments, the third supporting element 501 is fixedly connected to the exterior element 401 , including but not limited to bolt connection.

[0112] In some of the embodiments, the third supporting element 501 is made of metal material, including but not limited to stainless steel and aluminum alloy.

[0113] In some embodiments, the third supporting element 501 is a third supporting plate.

[0114] The cross section of the first sliding element 502 is circular, oval, etc.

[0115] The size of the first sliding element 502 matches the size of the third supporting element 501. Generally, the radial size of the first sliding element 502 is smaller than the length and width of the third supporting element 501, and the axial size of the first sliding element 502 is equal to the height of the third supporting element 501.

[0116] In some embodiments, there are multiple first sliding elements 502 , and the multiple first sliding elements 502 are distributed along the length direction of the third supporting element 501 .

[0117] In some of the embodiments, a first sliding element 502 is disposed on one side of the third supporting element 501 , and a first sliding element 502 is disposed on the other side of the third supporting element 501 .

[0118] In some embodiments, the first sliding element 502 is a sliding groove.

[0119] The second through-slot element 503 is disposed in the middle of the third supporting element 501 .

[0120] The cross section of the second through-groove element 503 is circular, elliptical, etc.

[0121] The size of the second through-groove element 503 matches the size of the third support element 501. Generally, the radial size of the second through-groove element 503 is smaller than the length and width of the third support element 501, and the axial size of the second through-groove element 503 is equal to the height of the third support element 501.

[0122] In some of the embodiments, the second through-slot element 503 is a second through-slot.

[0123] like Fig. 9As shown, the third connection unit 600 includes a third connection element 601 and a third through-slot element 602. The third connection element 601 is disposed at the rear end of the exterior unit 400 and below the fixing unit 500, and is detachably connected to the first connection unit 200; the third through-slot element 602 is disposed through the third connection element 601, and is used for the control unit 800 to pass through the third connection element 601.

[0124] Specifically, the third connecting element 601 is disposed at the rear end of the exterior element 401 , and is located below the third supporting element 501 , and is detachably connected to the first connecting element 202 .

[0125] The cross section of the third connecting element 601 is L-shaped. Specifically, the third connecting element 601 includes a horizontal plate and a vertical plate. The horizontal plate is arranged at the rear end of the exterior element 401 and connected to the exterior element 401; the vertical plate is arranged at the bottom end of the horizontal plate and is detachably connected to the first connecting element 202.

[0126] The size of the horizontal plate matches the size of the exterior element 401. Generally, the length of the horizontal plate is smaller than the length of the exterior element 401, the width of the horizontal plate is larger than the width of the exterior element 401, and the height of the horizontal plate is smaller than the height of the exterior element 401.

[0127] The size of the vertical plate matches the size of the exterior element 401. Generally, the length of the vertical plate is smaller than the length of the exterior element 401, the width of the vertical plate is larger than the width of the exterior element 401, and the height of the vertical plate is smaller than the height of the exterior element 401.

[0128] The size of the riser matches the size of the first connection element 202. Generally, the length of the riser is equal to the length of the first connection element 202, the width of the riser is equal to the width of the first connection element 202, and the height of the riser is equal to the height of the first connection element 202.

[0129] The size of the vertical plate matches the size of the horizontal plate. Generally, the length of the vertical plate is equal to the length of the horizontal plate, the width of the vertical plate is less than the width of the horizontal plate, and the height of the vertical plate is greater than the height of the horizontal plate.

[0130] In some of the embodiments, the third connection element 601 is fixedly connected to the exterior element 401 , including but not limited to bolt connection.

[0131] In some of the embodiments, the third connecting element 601 is made of metal material, including but not limited to stainless steel and aluminum alloy.

[0132] In some of the embodiments, the third connecting element 601 is a first connecting block.

[0133] The third through-groove element 602 passes through the horizontal plate and the vertical plate respectively.

[0134] The cross section of the third through-channel element 602 is rectangular.

[0135] The size of the third through slot element 602 matches the size of the cross plate. Generally, the length of the third through slot element 602 is less than the length of the cross plate, the width of the third through slot element 602 is less than the width of the cross plate, and the height of the third through slot element 602 is greater than the height of the cross plate.

[0136] The size of the third channel element 602 matches the size of the vertical board. Generally, the length of the third channel element 602 is less than the length of the vertical board, the width of the third channel element 602 is equal to the width of the vertical board, and the height of the third channel element 602 is greater than the height of the vertical board.

[0137] In some of the embodiments, the third through-slot element 602 is a third through-slot.

[0138] like Fig.10 As shown, the fourth connection unit 700 includes a fourth connection element 701, at least one second sliding element 702 and at least one first limiting element 703. The fourth connection element 701 is movably arranged at the rear end of the exterior unit 400 and located at the upper part of the fixing unit 500. The bottom end of the fourth connection element 701 is connected to the top end of the control unit 800, and is used to move downward in the vertical direction under the action of the control unit 800; the second sliding element 702 is arranged at the bottom end of the fourth connection element 701 and is slidably connected to the fixing unit 500; the first limiting element 703 is arranged at the bottom end of the second sliding element 702 and located at the bottom end of the fixing unit 500, and is used to limit the movement range of the second sliding element 702.

[0139] Specifically, the fourth connecting element 701 is movably arranged at the rear end of the exterior element 401, and is located on the upper part of the third supporting element 501, and is detachably connected to the second connecting element 302; the second sliding element 702 is slidably connected to the first sliding element 502; the first limiting element 703 is located at the bottom end of the third supporting element 501.

[0140] The cross section of the fourth connecting element 701 is rectangular.

[0141] The size of the fourth connecting element 701 matches the size of the second connecting element 302. Generally, the length of the fourth connecting element 701 is equal to the length of the second connecting element 302, the width of the fourth connecting element 701 is equal to the width of the second connecting element 302, and the height of the fourth connecting element 701 is not less than the height of the second connecting element 302.

[0142] In some of the embodiments, the fourth connecting element 701 is made of metal material, including but not limited to stainless steel and aluminum alloy.

[0143] In some of the embodiments, the fourth connecting element 701 is a second connecting plate.

[0144] The cross section of the second sliding element 702 is circular, elliptical, etc.

[0145] The size of the second sliding element 702 matches the size of the fourth connecting element 701. Generally, the radial size of the second sliding element 702 is smaller than the length and width of the fourth connecting element 701, and the axial size of the second sliding element 702 is larger than the height of the fourth connecting element 701.

[0146] The size of the second sliding element 702 matches the size of the first sliding element 502. Generally, the radial size of the second sliding element 702 is equal to the radial size of the first sliding element 502, and the axial size of the second sliding element 702 is greater than the axial size of the first sliding element 502.

[0147] The number of the second sliding elements 702 matches the number of the first sliding elements 502. Generally, the number of the second sliding elements 702 is equal to the number of the first sliding elements 502.

[0148] In some embodiments, there are multiple second sliding elements 702 , which are distributed along the length direction of the fourth connecting element 701 and correspond to the multiple first sliding elements 502 one by one.

[0149] In some embodiments, the second sliding element 702 is fixedly connected to the fourth connecting element 701 , including but not limited to welding.

[0150] In some embodiments, the second sliding element 702 is made of metal material, including but not limited to stainless steel and aluminum alloy.

[0151] In some embodiments, the second sliding element 702 is a sliding rod.

[0152] The cross section of the first limiting element 703 is circular, rectangular with rounded corners, elliptical, etc.

[0153] The size of the first limiting element 703 matches the size of the second sliding element 702. Generally, the radial size of the first limiting element 703 is larger than the radial size of the second sliding element 702, and the axial size of the first limiting element 703 is smaller than the axial size of the second sliding element 702.

[0154] The size of the first limiting element 703 matches the size of the third supporting element 501. Generally, the radial size of the first limiting element 703 is smaller than the length and width of the third supporting element 501, and the axial size of the first limiting element 703 is smaller than the height of the third supporting element 501.

[0155] The number of the first limiting elements 703 matches the number of the second sliding elements 702. Generally, the number of the first limiting elements 703 is equal to the number of the second sliding elements 702.

[0156] In some embodiments, the first limiting element 703 is fixedly connected to the second sliding element 702, including but not limited to being integrally formed.

[0157] In some of the embodiments, the first limiting element 703 is made of metal material, including but not limited to stainless steel and aluminum alloy.

[0158] In some of the embodiments, the first limiting element 703 is a limiting plate.

[0159] Furthermore, the fourth connection unit 700 further includes at least one elastic element 704. The elastic element 704 is sleeved on the second sliding element 702 and is connected to the fixing unit 500 and the fourth connection element 701 respectively.

[0160] Specifically, the elastic element 704 is connected to the third supporting element 501 .

[0161] The number of the elastic elements 704 matches the number of the second sliding elements 702. Generally, the number of the elastic elements 704 is equal to the number of the second sliding elements 702.

[0162] In some of the embodiments, the elastic element 704 is fixedly connected to the third supporting element 501 and the fourth connecting element 701 respectively, including but not limited to welding.

[0163] In some of the embodiments, the elastic element 704 is made of metal material, including but not limited to stainless steel and aluminum alloy.

[0164] In some of the embodiments, the elastic element 704 is a spring.

[0165] Furthermore, the fourth connection unit 700 further includes at least one second limiting element 705 , wherein the second limiting element 705 is disposed on the side of the fourth connection element 701 to limit the movement range of the fourth connection element 701 .

[0166] Specifically, the top end of the second limiting element 705 conflicts with the bottom end of the second supporting element 301 .

[0167] The cross section of the second limiting element 705 is rectangular.

[0168] The size of the second limiting element 705 matches the size of the second supporting element 301. Generally, the length of the second limiting element 705 is smaller than the length of the second supporting element 301, the width of the second limiting element 705 is smaller than the width of the second supporting element 301, and the height of the second limiting element 705 is smaller than the height of the second supporting element 301.

[0169] The size of the second limiting element 705 matches the size of the fourth connecting element 701. Generally, the length of the second limiting element 705 is less than the length of the fourth connecting element 701, the width of the second limiting element 705 is equal to the width of the fourth connecting element 701, and the height of the second limiting element 705 is less than the height of the fourth connecting element 701.

[0170] In some embodiments, there are multiple second limiting elements 705 , and the multiple second limiting elements 705 are symmetrically disposed on both sides of the fourth connecting element 701 .

[0171] In some of the embodiments, a second limiting element 705 is disposed on one side of the fourth connecting element 701 , and a second limiting element 705 is disposed on the other side of the fourth connecting element 701 .

[0172] In some of the embodiments, the second limiting element 705 is fixedly connected to the fourth connecting element 701 , including but not limited to being integrally formed.

[0173] In some of the embodiments, the second limiting element 705 is made of metal material, including but not limited to stainless steel and aluminum alloy.

[0174] In some of the embodiments, the second limiting element 705 is a limiting block.

[0175] like Fig.11 As shown, the control unit 800 includes a control element 801. The top of the control element 801 is connected to the fourth connection unit 700, and the bottom of the control element 801 passes through the fixing unit 500, the third connection unit 600, and the first connection unit 200 in sequence, so as to drive the fourth connection unit 700 to move downward in the vertical direction to separate from the second connection unit 300.

[0176] Specifically, the top end of the operating element 801 is connected to the bottom end of the fourth connecting element 701, and the bottom end of the operating element 801 passes through the second through-groove element 503, the third through-groove element 602, and the first through-groove element 203 respectively.

[0177] The cross section of the operating element 801 is circular.

[0178] The size of the manipulation element 801 matches the size of the fourth connection element 701. Generally, the radial size of the manipulation element 801 is smaller than the length and width of the fourth connection element 701. The axial size of the manipulation element 801 is larger than the height of the fourth connection element 701.

[0179] The size of the control element 801 matches the size of the second through-groove element 503 (the third through-groove element 602, the first through-groove element 203). Generally, the radial size of the control element 801 is smaller than the radial size of the second through-groove element 503 (the third through-groove element 602, the first through-groove element 203). The axial size of the control element 801 is larger than the axial size of the second through-groove element 503 (the third through-groove element 602, the first through-groove element 203).

[0180] In some of the embodiments, the control element 801 is fixedly connected to the fourth connecting element 701, including but not limited to a bolt connection.

[0181] In some of the embodiments, the control element 801 is made of nylon.

[0182] In some of the embodiments, the control element 801 is a pull rope.

[0183] The method of using the utility model is as follows:

[0184] (I) Installing rear panel component 101

[0185] Place the rear panel element 101 at the designated position on the wall, and connect it to the reserved holes through expansion bolts until the expansion bolts are tightened to complete the installation and fixation of the rear panel element 101;

[0186] (II) Installation of exterior components 401

[0187] Pass the end of the manipulation element 801 through the first through-slot element 203;

[0188] The fourth connecting element 701 is driven by the operating element 801 to move vertically downward along the first sliding element 502, and the elastic element 704 is squeezed to generate deformation;

[0189] The exterior decoration element 401 is clamped to the inside of the first connection element 202 through the third connection element 601;

[0190] Release the control element 801, and the fourth connecting element 701 moves vertically upward under the action of the elastic element 704, so that the fourth connecting element 701 is engaged with the inside of the second connecting element 302;

[0191] The end of the operating element 801 is cut off or tied so that the end of the operating element 801 is hidden between the rear plate element 101 and the exterior element 401 .

[0192] (III) Disassembly of exterior components 401

[0193] Lift the exterior element 401 to drive the third connecting element 601 and the third supporting element 501 to move vertically upward, and squeeze the elastic element 704 to cause deformation;

[0194] When the third connecting element 601 is separated from the first connecting element 202 , the exterior decoration element 401 is moved outward, thereby completing the disassembly of the exterior decoration element 401 .

[0195] The advantages of the utility model are that the rear panel unit and the exterior unit are used in coordination so that the two can be installed separately, which is convenient for subsequent installation and disassembly between the two; the exterior unit can be snapped onto the rear panel unit by using the first connection unit, the second connection unit, the third connection unit and the fourth connection unit in coordination so as to facilitate installation; the third connection unit can be separated from the first connection unit by lifting the exterior unit so as to facilitate disassembly of the exterior unit.

[0196] Example 2

[0197] This embodiment relates to a building of the utility model.

[0198] A building comprises at least one prefabricated structure of external wall panels as described in Example 1. The prefabricated structure of external wall panels is installed on a wall surface.

[0199] When there are multiple prefabricated structures of external wall panels, the multiple prefabricated structures of external wall panels are distributed in an array.

[0200] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A prefabricated structure of an external wall panel, characterized in that: include: A rear panel unit (100), wherein the rear panel unit (100) is arranged on a wall surface and connected to the wall surface; A first connection unit (200), the first connection unit (200) being arranged at a front end of the rear plate unit (100); a second connection unit (300), the second connection unit (300) being arranged at the front end of the rear plate unit (100) and located above the first connection unit (200); An exterior decoration unit (400), the exterior decoration unit (400) being detachably arranged at the front end of the rear panel unit (100); A fixing unit (500), the fixing unit (500) being arranged at a rear end of the exterior decoration unit (400); a third connection unit (600), the third connection unit (600) being arranged at the rear end of the exterior decoration unit (400), being located at the lower part of the fixing unit (500), and being detachably connected to the first connection unit (200); a fourth connection unit (700), the fourth connection unit (700) being arranged at the top of the rear end of the exterior unit (400) and being located at the upper part of the fixing unit (500), the bottom end of the fourth connection unit (700) being slidably connected to the fixing unit (500) and being detachably connected to the second connection unit (300); A control unit (800), wherein the top end of the control unit (800) is connected to the fourth connection unit (700), and the bottom end of the control unit (800) passes through the fixing unit (500), the third connection unit (600), and the first connection unit (200) in sequence, and is used to drive the fourth connection unit (700) to move downward in a vertical direction to separate from the second connection unit (300).

2. The prefabricated structure of the external wall panel according to claim 1 is characterized in that: The rear plate unit (100) comprises: A rear plate element (101), the rear plate element (101) being arranged on a wall, the front end of the rear plate element (101) being respectively provided with the first connection unit (200) and the second connection unit (300), and being respectively connected to the first connection unit (200), the second connection unit (300) and the wall; and / or The exterior decoration unit (400) comprises: An exterior decoration element (401) is detachably arranged at the front end of the rear panel unit (100), and the rear end of the exterior decoration element (401) is respectively provided with the fixing unit (500), the third connecting unit (600), and the fourth connecting unit (700), and is respectively connected to the fixing unit (500) and the third connecting unit (600).

3. The prefabricated structure of the external wall panel according to claim 1 is characterized in that: The first connecting unit (200) comprises: a first supporting element (201), the first supporting element (201) being arranged at the front end of the rear plate unit (100), being located below the second connecting unit (300), and being connected to the rear plate unit (100); a first connecting element (202), the first connecting element (202) being arranged at the top end of the first supporting element (201) and being detachably connected to the third connecting unit (600); A first through-slot element (203), wherein the first through-slot element (203) passes through the bottom end of the first supporting element (201) and is connected to the first connecting element (202), and is used for allowing the control unit (800) to pass through the first supporting element (201).

4. The prefabricated structure of the external wall panel according to claim 1 is characterized in that: The second connecting unit (300) comprises: a second supporting element (301), the second supporting element (301) being arranged at the front end of the rear plate unit (100) and located above the first connecting unit (200); A second connecting element (302), wherein the second connecting element (302) is arranged on the second supporting element (301) and is detachably connected to the fourth connecting unit (700).

5. The prefabricated structure of the external wall panel according to claim 1 is characterized in that: The fixing unit (500) comprises: a third supporting element (501), the third supporting element (501) being arranged at the rear end of the exterior decoration unit (400) and being located between the third connecting unit (600) and the fourth connecting unit (700); at least one first sliding element (502), the first sliding element (502) being disposed through the third supporting element (501) and being slidably connected to the fourth connecting unit (700); A second through-slot element (503), wherein the second through-slot element (503) is arranged to penetrate the third supporting element (501), and is used for allowing the control unit (800) to pass through the third supporting element (501).

6. The prefabricated structure of the external wall panel according to claim 1, characterized in that: The third connection unit (600) comprises: a third connecting element (601), the third connecting element (601) being arranged at the rear end of the exterior decoration unit (400) and located below the fixing unit (500), and being detachably connected to the first connecting unit (200); A third through-slot element (602), wherein the third through-slot element (602) is arranged to penetrate the third connecting element (601), and is used for allowing the control unit (800) to pass through the third connecting element (601).

7. The prefabricated structure of the external wall panel according to claim 1, characterized in that: The fourth connection unit (700) comprises: a fourth connecting element (701), the fourth connecting element (701) being movably arranged at the rear end of the exterior decoration unit (400) and located at the upper part of the fixing unit (500), the bottom end of the fourth connecting element (701) being connected to the top end of the control unit (800) and being used for moving downward in the vertical direction under the action of the control unit (800); at least one second sliding element (702), the second sliding element (702) being arranged at the bottom end of the fourth connecting element (701) and being slidably connected to the fixing unit (500); At least one first limiting element (703), wherein the first limiting element (703) is arranged at the bottom end of the second sliding element (702) and is located at the bottom end of the fixing unit (500), and is used to limit the movement range of the second sliding element (702).

8. The prefabricated structure of the external wall panel according to claim 7, characterized in that: The fourth connection unit (700) further includes: at least one elastic element (704), wherein the elastic element (704) is sleeved on the second sliding element (702) and is respectively connected to the fixing unit (500) and the fourth connecting element (701); and / or At least one second limiting element (705), wherein the second limiting element (705) is arranged on a side of the fourth connecting element (701) and is used to limit the movement range of the fourth connecting element (701).

9. The prefabricated structure of external wall panels according to claim 1, characterized in that: The control unit (800) comprises: A control element (801), wherein the top end of the control element (801) is connected to the fourth connection unit (700), and the bottom end of the control element (801) passes through the fixing unit (500), the third connection unit (600), and the first connection unit (200) in sequence, and is used to drive the fourth connection unit (700) to move downward in a vertical direction to separate from the second connection unit (300).

10. A building, characterized in that: include: The prefabricated structure of external wall panels as described in any one of claims 1 to 9, wherein the prefabricated structure of external wall panels is installed on a wall surface.

Images