Cabinet body connecting device

Abstract

The utility model relates to the field of cabinet body connecting devices, in particular to a cabinet body connecting device which comprises power transformation box shells and further comprises buckling pieces, extrusion pieces and tensioning pieces, the two sides of an abutted seam of the adjacent power transformation box shells are fixedly connected with the extrusion pieces and rotationally connected with the buckling pieces respectively, and the tensioning pieces are connected to the ends, away from the buckling pieces, of the extrusion pieces in a sliding mode. The end, away from a rotating shaft of the buckling piece, of the buckling piece is connected with the tail end of the tensioning piece in a sleeved mode, the extrusion piece is formed by stamping and bending a metal piece and comprises a bottom plate and side edges perpendicularly bent to the two sides of the bottom plate, one end of each side edge is bent to be provided with a pressing edge, and the end, away from the pressing edge, of the bottom plate is bent towards the position between the side edges to be provided with an extrusion piece. According to the device, the side walls of the transformer box shell are tightly connected in a buckling and tensioning mode, the overall structural stability and sealing performance of the combined transformer substation are improved, meanwhile, the device can be rapidly manufactured in batches through the stamping technology, and the device has the advantages of being simple in structure, low in cost and convenient and fast to use.

Description

Technical Field

[0001] The utility model relates to the field of cabinet connection devices, in particular to a cabinet connection device. Background Art

[0002] European box transformer is also called complete substation or combined substation. Each substation box equipment has different functions preset when it is produced in the factory. The corresponding substation boxes can be combined together according to the functions required by the substation, making the construction and use of the substation safe, controllable and convenient to maintain.

[0003] The installation of the existing complete substation is to first build a metal base support on the bottom plate, and then install each transformer box on the metal base support. In order to further improve the connection stability between the transformer boxes, the transformer box shells are also connected together. However, the conventional fixing method does not have the function of tightening the edge seams of adjacent transformer boxes. Therefore, the utility model proposes a cabinet connection device. Utility Model Content

[0004] In view of the problem that the edge joints between the transformer boxes of the combined transformer substation mentioned above or in the prior art are difficult to tighten, the utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a cabinet connecting device.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a cabinet connection device, including a shell, and also including a buckle, an extrusion piece and a tensioning piece. The two sides of the seam of adjacent shells are respectively fixedly connected to the extrusion piece and rotatably connected to the buckle. The tensioning piece is slidably connected to one end of the extrusion piece away from the buckle, and the end of the buckle away from its rotating shaft is sleeved on the end of the tensioning piece.

[0007] As a preferred solution of the cabinet connection device of the utility model, wherein: the extruded part is made of stamping and bending a metal sheet, and includes a bottom plate and side edges bent vertically on both sides of the bottom plate, one end of the side edge is bent to provide a pressing edge, the end of the bottom plate away from the pressing edge is bent toward the side edges to provide an extrusion sheet, and the end of the extrusion sheet is bent to provide an extrusion surface.

[0008] As a preferred solution of the cabinet connection device of the utility model, wherein: the tensioning member is made by stamping a thin-walled metal ring, the outline of the tensioning member is triangular, and the tensioning member is provided with a pressure-bearing surface that fits the contact extrusion surface.

[0009] As a preferred solution of the cabinet connection device of the utility model, wherein: the connection between the extrusion sheet and the bottom surface is inclined toward the edge pressing direction, and the extrusion surface of the extrusion sheet is inclined toward the inner side between the extrusion sheet and the bottom surface.

[0010] As a preferred solution of the cabinet connection device of the utility model, wherein: the extrusion sheet is stamped with a first slide groove and a first diagonal brace, and the end of the first diagonal brace contacts the inner side of the extrusion surface.

[0011] As a preferred solution of the cabinet connection device of the utility model, wherein: the pressing edge is parallel to the bottom surface, the lengths of any two sides of the tensioning member are not equal, and the longest side of the tensioning member is slidably connected between the pressing edge and the bottom surface, and the pressure-bearing surface is arranged on the shortest side of the tensioning member.

[0012] As a preferred solution of the cabinet connection device of the utility model, wherein: the longest side of the tensioning member is stamped with a second sliding groove and a second diagonal brace, and the end of the second diagonal brace contacts the inner side of the pressure-bearing surface.

[0013] As a preferred solution of the cabinet connection device of the utility model, wherein: the buckle part includes two side panels, a swivel seat is vertically connected between one ends of the side panels, and the swivel seat is rotatably connected to the transformer box shell, a clamping seat is vertically connected between the other ends of the side panels, and the clamping seat is arranged in an arc shape, and the bending corner between the longest side and the middle long side of the tensioning member is matched with the clamping seat.

[0014] As a preferred solution of the cabinet connection device of the utility model, wherein: the bottom surface is located at the side and is threadedly connected with a first screw between the bottom surface and the transformer box shell, the cup head of the first screw is threadedly connected with a second screw along its axial direction, and the second screw passes through the first slide groove.

[0015] As a preferred solution of the cabinet connection device of the utility model, wherein: a third screw is threadedly connected between the bottom surface located at the pressure edge and the transformer box shell, and the cup head of the third screw is slidably connected to the second slide groove.

[0016] The beneficial effects of the cabinet connection device of the utility model are as follows: the device tightly connects the side walls of the shell by means of buckling and tensioning, thereby improving the overall structural stability and sealing of the combined substation. At the same time, the device can be quickly mass-produced through a stamping process, and has the advantages of simple structure, low cost and easy use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a schematic diagram of the assembly structure of the cabinet connection device.

[0019] Figure 2 For cabinet connection device Figure 1 Schematic diagram of the local structure.

[0020] Figure 3 For cabinet connection device Figure 2 Schematic diagram of the structure after the fasteners are unfastened.

[0021] Figure 4 It is a structural cross-sectional view of the cabinet connection device.

[0022] Figure 5 It is a schematic diagram of the structure of the extruded part of the cabinet connection device.

[0023] Figure 6 It is a schematic diagram of the structure of the tensioning member of the cabinet connection device. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0027] Example 1, reference Figure 1 to Figure 6 , is the first embodiment of the utility model, which provides a cabinet connection device, which improves the overall structural stability of the combined substation by buckling the side walls of the shell 100 together. It includes a shell 100, a buckle 103, an extrusion 101 and a tensioning member 102. The two sides of the seam of adjacent shells 100 are respectively fixedly connected to the extrusion 101 and rotatably connected to the buckle 103. The tensioning member 102 is slidably connected to one end of the extrusion 101 away from the buckle 103, and the end of the buckle 103 away from its rotating shaft is sleeved on the end of the tensioning member 102.

[0028] Specifically, the extrusion piece 101 is made by stamping and bending a metal sheet, and includes a bottom plate 101a and side edges 101b bent vertically on both sides of the bottom plate 101a, one end of the side edge 101b is bent to be provided with a pressing edge 101c, one end of the bottom plate 101a away from the pressing edge 101c is bent to be provided with an extrusion piece 101d between the side edges 101b, and the end of the extrusion piece 101d is bent to be provided with an extrusion surface 101e, and the tensioning piece 102 is stamped by a thin-walled metal ring, and the outline of the tensioning piece 102 is triangular, and the tensioning piece 102 is provided with a pressure-bearing surface 102a for contacting and extruding. The connection between the extrusion sheet 101d and the bottom surface is inclined toward the pressure edge 101c, and the extrusion surface 101e of the extrusion sheet 101d is inclined toward the inner side between the extrusion sheet 101d and the bottom surface. The fastener 103 includes two side panels 103a, and a swivel seat 103b is vertically connected between one ends of the side panels 103a, and the swivel seat 103b is rotatably connected to the transformer box housing, and a clamping seat 103c is vertically connected between the other ends of the side panels 103a, and the clamping seat 103c is arranged in an arc shape, and the bending angle between the longest side and the middle long side of the tensioning member 102 is matched with the clamping seat 103c.

[0029] The extrusion piece 101 and the tension piece 102 of the device are processed by a stamping and bending process, and are pre-assembled with the first screw 104 and the third screw 106 during the processing. Figure 3 and Figure 2 , deflect the fastener 103 rotatably connected to the adjacent shell 100 to the sleeve extrusion piece 101 and the tension piece 102, screw the second screw 105 into the first screw 104 (hollow with thread), as the cup head of the second screw 105 contacts and squeezes the extrusion sheet 101d, the extrusion sheet 101d will be squeezed and displaced in two directions, one direction is approaching the bottom plate 101a, and the other direction is moving toward the tension piece 102. The displacement toward the tension piece 102 will directly push the tension piece 102 to move, and the displacement in the direction of approaching the bottom plate 101a will slide and squeeze the pressure surface 102a through the inclined extrusion surface 101e. Through the superposition of the two, a corner of the tension piece 102 contacts the slot of the fastener 103 and is gradually tightened, so that the gap between the two shells 100 is tightened.

[0030] In summary, the device tightly connects the side walls of the shell 100 by means of buckling and tensioning, thereby improving the overall structural stability and sealing of the combined substation. At the same time, the device can be quickly mass-produced through a stamping process, and has the advantages of simple structure, low cost and easy use.

[0031] Example 2, reference Figure 4 and Figure 6, which is the second embodiment of the utility model. Different from the previous embodiment, this embodiment provides a first diagonal brace 101g and a second diagonal brace 102c of the cabinet connection device, which solves the problem of insufficient structural rigidity of parts caused by sheet metal stamping processing. It includes: an extrusion sheet 101d is stamped with a first slide groove 101f and a first diagonal brace 101g, and the end of the first diagonal brace 101g contacts the inner side of the extrusion surface 101e, the pressing edge 101c is parallel to the bottom surface, the lengths of any two sides of the tensioning member 102 are not equal, and the longest side of the tensioning member 102 is slidably connected between the pressing edge 101c and the bottom surface, the pressure-bearing surface 102a is arranged on the shortest side of the tensioning member 102, and the longest side of the tensioning member 102 is stamped with a second slide groove 102b and a second diagonal brace 102c, and the end of the second diagonal brace 102c contacts the inner side of the pressure-bearing surface 102a.

[0032] Since the device is processed by a convenient stamping production process, the wall thickness of the extrusion piece 101 and the tension piece 102 is limited due to the volume of the device, the ductility of general stamping metal materials, etc., resulting in weak rigidity of the overall structure. Therefore, a first slide groove 101f is stamped on the extrusion sheet 101d of the extrusion piece 101, and the punched-out material portion is bent to its end to the inner side of the extrusion surface 101e to form a first diagonal brace 101g, so that a triangular stable structure is formed between the first diagonal brace 101g, the extrusion surface 101e and the extrusion piece 101d. The second slide groove 102b and the second diagonal brace 102c of the tension piece 102 are similar, so that a small triangular stable structure is formed at the corner of the pressure-bearing surface 102a and the tension piece 102. Figure 4 When the device is working and tightening the fastener 103, the two small triangular stabilizing structures can effectively improve the structural rigidity, prevent or reduce structural deformation, and increase the connection tension between the two shells 100.

[0033] The rest of the structure is the same as that of Example 1.

[0034] In summary, the design of the first diagonal brace 101g and the second diagonal brace 102c of the device effectively solves the problem of insufficient structural rigidity of components caused by sheet metal stamping processing.

[0035] Example 3, reference Figure 4, which is the third embodiment of the utility model. Different from the previous embodiment, this embodiment provides a specific assembly structure between the extrusion piece 101 and the shell 100 of the cabinet connection device, and realizes the assembly and extrusion functions of the extrusion piece 101 in a limited and compact space. It includes: a first screw 104 is threadedly connected between the bottom surface located at the side 101b and the transformer box shell, and the cup head of the first screw 104 is threadedly connected with the second screw 105 along its axial direction. The second screw 105 passes through the first slide groove 101f, and a third screw 106 is threadedly connected between the bottom surface located at the pressure edge 101c and the transformer box shell, and the cup head of the third screw 106 is slidably connected to the second slide groove 102b.

[0036] The cup head of the first screw 104 of the device is aligned with the first slide groove 101f, so that a screwdriver can be inserted into the interior to assemble the first screw 104, and an L-shaped wrench is used to assemble the third screw 106 from the side of the tensioning member 102, and the extrusion member 101 is fixed to the shell 100 by the first screw 104 and the third screw 106. The extrusion member 101 is fixed and installed by two screws. In addition to improving the connection strength, the tensioning direction of the tensioning member 102 is more stable and less likely to deviate. The first screw 104 adopts a hollow structure and is processed with an internal thread for connecting the second screw 105 to achieve the extrusion sheet 101d, and then the tensioning member 102 is pushed by the extrusion sheet 101d to complete the tensioning of the fastener 103.

[0037] The rest of the structure is the same as that of Example 2.

[0038] In summary, the device has a small and compact structure and can realize the assembly and tensioning functions of the extrusion member 101 in a limited and compact space.

[0039] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0040] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0041] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0042] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A cabinet connection device, comprising a housing (100), characterized in that: It also includes a fastening member (103), an extrusion member (101) and a tension member (102); the two sides of the joint of adjacent shells (100) are respectively fixedly connected to the extrusion member (101) and rotatably connected to the fastening member (103); the tension member (102) is slidably connected to one end of the extrusion member (101) away from the fastening member (103), and one end of the fastening member (103) away from its rotation axis is sleeved on the end of the tension member (102).

2. The cabinet connection device according to claim 1, characterized in that: The extrusion (101) is made by stamping and bending a metal sheet, and comprises a bottom plate (101a) and side edges (101b) bent perpendicularly to both sides of the bottom plate (101a), one end of the side edge (101b) being bent to provide a pressing edge (101c), one end of the bottom plate (101a) away from the pressing edge (101c) being bent toward the side edges (101b) to provide an extrusion sheet (101d), and the end of the extrusion sheet (101d) being bent to provide an extrusion surface (101e).

3. The cabinet connection device according to claim 2, characterized in that: The tensioning piece (102) is made by stamping a thin-walled metal ring. The outline of the tensioning piece (102) is triangular, and the tensioning piece (102) is provided with a pressure-bearing surface (102a) that fits in contact with an extrusion surface (101e).

4. The cabinet connection device according to claim 3, characterized in that: The connection between the extruded sheet (101d) and the bottom surface is inclined toward the pressing edge (101c), and the extruded surface (101e) of the extruded sheet (101d) is inclined toward the inner side between the extruded sheet (101d) and the bottom surface.

5. The cabinet connection device according to claim 4, characterized in that: The extrusion sheet (101d) is punched with a first slide groove (101f) and a first diagonal brace (101g), and the end of the first diagonal brace (101g) contacts the inner side of the extrusion surface (101e).

6. The cabinet connection device according to claim 5, characterized in that: The pressing edge (101c) is parallel to the bottom surface, any two sides of the tensioning member (102) are not equal in length, and the longest side of the tensioning member (102) is slidably connected between the pressing edge (101c) and the bottom surface, and the pressure-bearing surface (102a) is arranged on the shortest side of the tensioning member (102).

7. The cabinet connection device according to claim 6, characterized in that: A second slide groove (102b) and a second diagonal brace (102c) are punched on the longest side of the tensioning member (102), and the end of the second diagonal brace (102c) contacts the inner side of the pressure-bearing surface (102a).

8. The cabinet connection device according to claim 7, characterized in that: The fastening member (103) comprises two side plates (103a), one end of the side plates (103a) is vertically connected with a swivel seat (103b), and the swivel seat (103b) is rotatably connected to the transformer housing (100), the other end of the side plates (103a) is vertically connected with a clamping seat (103c), and the clamping seat (103c) is arranged in an arc shape, and the bending angle between the longest side and the middle long side of the tensioning member (102) is matched with the clamping seat (103c).

9. The cabinet connection device according to claim 8, characterized in that: The bottom surface is located at the side (101b) and is threadedly connected to a first screw (104) between the electric transformer housing (100); the cup head of the first screw (104) is threadedly connected to a second screw (105) along its axial direction; and the second screw (105) passes through the first slide groove (101f).

10. The cabinet connection device according to claim 9, characterized in that: A third screw (106) is threadedly connected between the bottom surface located at the pressure edge (101c) and the electric transformer housing (100), and the cup head of the third screw (106) is slidably connected to the second slide groove (102b).

Images