Connecting assembly and fire box

Abstract

The utility model discloses a connecting assembly and a fire-fighting box, which are characterized in that the connecting assembly comprises a box body provided with a back plate and box side walls which surround the periphery of the back plate and extend outwards, and the box side walls are encircled to form a box opening; the box opening is covered with the cover body, and the cover body is provided with a cover plate and a cover side wall which surrounds the periphery of the cover plate and extends in the direction of the box body; the connecting assembly comprises a shaft connecting piece and a hole connecting piece, the shaft connecting piece and the hole connecting piece are arranged on the box side wall and / or the cover side wall respectively, the shaft connecting piece is provided with a rotating shaft column, and the hole connecting piece is provided with a rotating shaft hole matched with the rotating shaft column; the whole connecting assembly is made of metal, is firm, is extremely small after being assembled, and can greatly reduce the product cost; the rotating shaft column and the rotating shaft hole are formed by bending metal, the machining process is simple, machining steps are few, firmness and durability are achieved, and the product cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of equipment, concretely relates to a connecting assembly and fire-fighting box. BACKGROUND

[0002] The objects such as box, door and window need to swing, open and close, mostly need to assemble connecting assembly, make the two related objects connect each other and cannot separate, and the two objects can rotate with the connecting assembly as the shaft, open, close or swing and so on.

[0003] The existing connecting assembly is composed of shaft connecting piece and hole connecting piece, the shaft connecting piece is provided with rotating shaft column, the hole connecting piece is provided with rotating shaft hole, the rotating shaft column is arranged in the rotating shaft hole, the mutual swing between the shaft connecting piece and the hole connecting piece is realized through the rotating shaft column and the rotating shaft hole, and then the opening and closing of the box body and the cover body are driven, due to the plasticity of plastic, the existing connecting assembly is made of plastic, but the strength of plastic material is low, and the bearing capacity is poor, therefore the rotating shaft column needs to be made of metal and is fixed on the shaft connecting piece through plastic packaging process, and the production steps of the shaft connecting piece are multiple, the production time is long, and the product cost is increased, in order to improve the overall strength of the connecting assembly, the volume of the connecting assembly is set to be large, therefore more space is occupied, and the packaging cost and transportation cost of the product are increased, there is also a connecting assembly made of metal on the market, which is composed of two hole connecting pieces and a shaft penetrating the two hole connecting pieces, the shaft is assembled to the hole connecting piece, and the two ends are respectively stamped to prevent falling off, the connecting assembly has many parts, the processing is complex, and the price is expensive. SUMMARY

[0004] The utility model aims at providing a connecting assembly and fire-fighting box which are simple in structure, firm in assembly, convenient in assembly and low in cost.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following scheme: a connecting assembly, comprising:

[0006] The shaft connecting piece is formed by stamping a metal plate into a first fixed part and a first bending part, the first bending part is formed into a rotating shaft column in a cylindrical shape through bending processing, and the rotating shaft column has a hollow structure in the middle;

[0007] The hole connecting piece is connected with the shaft connecting piece and is formed by stamping a metal plate into a second fixed part and a second bending part, the second bending part is formed into a rotating shaft hole in a tubular shape through bending processing, the diameter of the rotating shaft column is smaller than that of the rotating shaft hole, and the rotating shaft column is arranged in the rotating shaft hole.

[0008] Preferably, the first bending part comprises a connecting part and a rotating shaft column, and the rotating shaft column is connected with the first fixed part through the connecting part.

[0009] Preferably, the first bending part is formed into a cylindrical connecting part by bending processing, and the middle of the connecting part is a hollow structure.

[0010] Preferably, a bending opening is arranged between the connecting part and the rotating shaft column, the length of the bending opening is less than the radius length of the rotating shaft column, and the shape of the connecting part is different from the shape of the rotating shaft column.

[0011] Preferably, the rotating shaft column is provided with two edges, the two edges are opposite to each other and are bent to form a first opening, and the first opening is directed to the first fixed part.

[0012] Preferably, a notch is arranged between the rotating shaft column and the first fixed part, and the bending opening is located above the notch.

[0013] Preferably, the height of the connecting part is the same as the height of the first fixed part, and the rotating shaft column protrudes from the first fixed part.

[0014] Preferably, the rotating shaft hole is provided with a second opening, and the second opening is arranged on the back of the hole connecting part.

[0015] Preferably, the height of the shaft connecting part is equal to the height of the hole connecting part, and the height of the rotating shaft hole is less than the height of the hole connecting part.

[0016] In another embodiment of the present application, a fire-fighting box is provided, comprising:

[0017] a box body provided with a back plate and a box side wall extending outward around the outer periphery of the back plate to form a box opening;

[0018] a cover body covering the box opening and provided with a cover plate and a cover side wall extending in the direction of the box body around the outer periphery of the cover plate;

[0019] a connecting assembly comprising a shaft connecting part and a hole connecting part, the shaft connecting part and the hole connecting part being arranged on the box side wall and / or the cover side wall, the shaft connecting part being provided with a rotating shaft column, and the hole connecting part being provided with a rotating shaft hole matched with the rotating shaft column;

[0020] Preferably, the shaft connecting part is formed into a first fixed part and a first bending part by stamping a metal plate, the first bending part is formed into a cylindrical rotating shaft column by bending processing, the middle of the rotating shaft column is a hollow structure, the hole connecting part is formed into a second fixed part and a second bending part by stamping a metal plate, the second bending part is formed into a tubular rotating shaft hole by bending processing, the diameter of the rotating shaft column is less than the diameter of the rotating shaft hole, and the rotating shaft column is arranged in the rotating shaft hole.

[0021] Preferably, the part of the outer side wall of the rotating shaft hole in contact with the box side wall / cover side wall is a plane.

[0022] Preferably, the first fixing part and the cover side wall / box side wall are provided with mutually matched assembly holes, the second fixing part and the cover side wall / box side wall are provided with mutually matched assembly holes, the first bending part comprises a connecting part, the rotating shaft column is connected with the first fixing part through the connecting part, and a gap exists between the rotating shaft hole and the connecting part, and the height of the gap is controlled by the distance between the assembly holes.

[0023] Preferably, the number of the connecting assemblies is two groups, the two groups of connecting assemblies are arranged in an upper-lower mirror image mode, and at least one group of the connecting assemblies is fixed on the box side wall and / or the cover side wall through the assembly holes after the cover body is covered on the box body.

[0024] Compared with the prior art, the beneficial effects of the utility model are: (1) the connecting assembly is entirely made of metal, is extremely firm, has extremely small volume after assembly, and can greatly reduce product cost; (2) the rotating shaft column and the rotating shaft hole are formed through metal bending, the processing technology is simple, the processing steps are less, the connecting assembly is firm and durable, and product cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is the front perspective view of the utility model.

[0026] Figure 2 is the back perspective view of the utility model.

[0027] Figure 3 is the exploded perspective view of the utility model.

[0028] Figure 4 is Figure 1 the sectional view of A-A of the utility model.

[0029] Figure 5 is the perspective view of other embodiments of the utility model.

[0030] Figure 6 is the exploded perspective view of other embodiments of the utility model.

[0031] Figure 7 is the perspective view of the fire-fighting box.

[0032] 1-box body; 11-box side wall; 12-box opening; 2-cover body; 21-cover side wall; 3-shaft connecting piece; 31-rotating shaft column; 32-first fixing part; 33-first bending part; 34-connecting part; 35-bending hole; 36-first opening; 37-notch; 4-hole connecting piece; 41-rotating shaft hole; 42-second fixing part; 43-second bending part; 44-second opening; 5-assembly hole. DETAILED DESCRIPTION

[0033] The technical scheme of the utility model is further illustrated below in combination with specific embodiments.

[0034] As Figures 1 to 6 The utility model discloses a connecting assembly, which comprises: a shaft connecting piece 3 formed by stamping a metal plate into a first fixed part 32 and a first bending part 33, the first bending part 33 is formed into a cylindrical shaft column 31 through bending processing, and the shaft column 31 has a hollow structure in the middle; a hole connecting piece 4 formed by stamping a metal plate into a second fixed part 42 and a second bending part 43, the second bending part 43 is formed into a tubular shaft hole 41 through bending processing, the diameter of the shaft column 31 is smaller than that of the shaft hole 41, and the shaft column 31 is arranged in the shaft hole 41. The connecting assembly as a whole is made of metal, is extremely firm, has a very small volume after assembly, and can greatly reduce product cost; the shaft column 31 and the shaft hole 41 are formed through metal bending, the processing technology is simple, the processing steps are fewer, the connecting assembly is firm and durable, and product cost is reduced.

[0035] The first bending part 33 comprises a connecting part 34 and a shaft column 31, the shaft column 31 is connected to the first fixed part 32 through the connecting part 34, the first bending part 33 is formed into a cylindrical connecting part 34 through bending processing, the connecting part 34 has a hollow structure in the middle, in order to ensure the smooth rotation between the shaft column 31 and the shaft hole 41, the shaft column 31 needs to be formed into a cylindrical shape, but since the shaft connecting piece 3 is made of metal, if direct conventional bending processing is performed, the edges of the first bending part 33 need to be bent to contact the inner side of the first bending part 33, and the processing process needs to be pre-bent, stamped and the like, and even after a series of complicated steps, it is difficult to ensure that the shaft column 31 is in a cylindrical shape, therefore, a bending opening 35 is arranged between the connecting part 34 and the shaft column 31, the length of the bending opening 35 is smaller than the radius length of the shaft column 31, the shape of the connecting part 34 is not the same as that of the shaft column 31, the shaft column 31 is provided with two edges, the two edges are bent towards each other, the bending processing is realized at both ends at the same time, the processing difficulty is reduced, the shaft column 31 is finally formed into a cylindrical shape, and the edges of the shaft column 31 are close to / contact each other to form a first opening 36, the first opening 36 is directed towards the first fixed part 32, this structure limits the length of the bending opening 35, avoids the connection area between the shaft column 31 and the connecting part 34 being too small due to the length of the bending opening 35 being too long, and causes the overall strength of the shaft connecting piece 3 to decrease.

[0036] As Figures 1 to 4As shown, the gap 37 is arranged between the rotating shaft column 31 and the first fixed part 32, the roll bending opening 35 is above the gap 37, the height of the shaft connecting part 3 is equal to the height of the hole connecting part 4, the height of the rotating shaft hole 41 is less than the height of the hole connecting part 4, the gap 37 can make the shaft connecting part 3 and the hole connecting part 4 parallel to each other after assembly, and the assembly is more beautiful. Figure 5 、 Figure 6 As shown, in other embodiments, the height of the connecting part 34 is the same as the height of the first fixed part 32, and the rotating shaft column 31 protrudes from the first fixed part 32. The rotating shaft hole 41 is provided with a second opening 44, and the second opening 44 is arranged on the back of the hole connecting part 4.

[0037] As shown in the drawings, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 7 In another embodiment of the present application, a fire-fighting box is provided, comprising: a box body 1 provided with a back plate and a box side wall 11 extending outward around the outer periphery of the back plate and forming a box opening 12; a cover body 2 covering the box opening 12 and provided with a cover plate and a cover side wall 21 extending in the direction of the box body and formed around the outer periphery of the cover plate; a connecting assembly comprising a shaft connecting part 3 and a hole connecting part 4, the shaft connecting part 3 and the hole connecting part 4 are arranged on the box side wall 11 and / or the cover side wall 21, the shaft connecting part 3 is provided with a rotating shaft column 31, and the hole connecting part 4 is provided with a rotating shaft hole 41 matched with the rotating shaft column 31; wherein the shaft connecting part 3 is formed by stamping a metal plate into a first fixed part 32 and a first roll bending part 33, the first roll bending part 33 is formed into a cylindrical rotating shaft column 31 by roll bending processing, the middle of the rotating shaft column 31 is a hollow structure, the hole connecting part 4 is formed by stamping a metal plate into a second fixed part 42 and a second roll bending part 43, the second roll bending part 43 is formed into a tubular rotating shaft hole 41 by roll bending processing, the diameter of the rotating shaft column 31 is less than the diameter of the rotating shaft hole 41, and the rotating shaft column 31 is arranged in the rotating shaft hole 41.

[0038] The rotating shaft hole 41 is provided with a second opening 44, the second opening 44 is arranged on the back of the hole connecting part 4, the second opening 44 is in contact with the box side wall 11 or the cover side wall 21, and the part of the outer side wall of the rotating shaft hole 41 in contact with the box side wall 11 or the cover side wall 21 is a plane. This structure can reduce the processing difficulty of the hole connecting part 4 and facilitate production.

[0039] The first fixed part 32 and the cover side wall 21 are provided with mutually adapted assembly holes 5, the second fixed part 42 and the box side wall 11 are provided with mutually adapted assembly holes 5, the first roll bending part 33 comprises a connecting part 34, the rotating shaft column 31 is connected with the first fixed part 32 through the connecting part 34, there is a gap between the rotating shaft hole 41 and the connecting part 34, and the height of the gap is controlled by the distance between the assembly holes 5. The structure can avoid the mutual contact of the connecting part 34 and the rotating shaft hole 41, and prevent the mutual friction from affecting the rotation fluency between the shaft connecting part 3 and the hole connecting part 4.

[0040] The number of the connecting assemblies is two groups, the two groups of connecting assemblies are arranged in an up-down mirror image mode, and at least one group of the connecting assemblies is fixed on the box side wall 11 and / or the cover side wall 21 through the assembly holes 5 after the cover body 2 is covered on the box body 1. The structure can prevent the cover body 2 and the box body 1 from being separated from each other.

[0041] The above only describes preferred embodiments of the present application and is not used to limit the present application. Although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A connecting component, characterized in that, include: The shaft connector is formed by stamping a metal plate to form a first fixing part and a first bending part. The first bending part is formed into a cylindrical rotating shaft column by bending. The middle of the rotating shaft column is a through hollow structure. A hole connector, connected to the shaft connector, is formed by stamping a metal plate to form a second fixing part and a second bending part. The second bending part is formed into a tubular rotating shaft hole by bending. The diameter of the rotating shaft post is smaller than the diameter of the rotating shaft hole, and the rotating shaft post is disposed in the rotating shaft hole.

2. A connection component according to claim 1, characterized in that, The first bending portion includes a connecting portion and a pivot post, and the pivot post is connected to the first fixing portion through the connecting portion.

3. A connection component according to claim 2, characterized in that, The first bending part is formed into a cylindrical connecting part through bending processing, and the middle of the connecting part is a through hollow structure.

4. A connection component according to claim 2, characterized in that, A bend is provided between the connecting part and the rotating shaft column. The length of the bend is less than the radius of the rotating shaft column, and the shape of the connecting part is different from the shape of the rotating shaft column.

5. A connection component according to claim 4, characterized in that, The pivot column has two edges that are bent toward each other to form a first opening, which faces the first fixing part.

6. A connection component according to claim 4, characterized in that, A notch is provided between the pivot column and the first fixing part, and the bend is located above the notch.

7. A connection component according to claim 4, characterized in that, The height of the connecting part is the same as the height of the first fixing part, and the rotating shaft protrudes from the first fixing part.

8. A connection component according to claim 1, characterized in that, The pivot hole has a second opening, which is located on the back of the hole connector.

9. A connection component according to claim 1, characterized in that, The height of the shaft connector is equal to the height of the hole connector, and the height of the rotating shaft hole is less than the height of the hole connector.

10. A fire extinguisher box, characterized in that, include: The box body is provided with a back panel and a box side wall that surrounds the outer periphery of the back panel and extends outward, and the box side wall encloses to form a box opening; A cover body, which closes to the box opening, is provided with a cover plate and a cover side wall that surrounds the outer periphery of the cover plate and extends towards the box body; A connecting assembly includes a shaft connector and a hole connector, the shaft connector and the hole connector being respectively disposed on the side wall of the box and / or the side wall of the cover, the shaft connector being provided with a pivot post, and the hole connector being provided with a pivot hole adapted to the pivot post; The shaft connector is formed by stamping a metal plate to form a first fixing part and a first bending part. The first bending part is formed into a cylindrical rotating shaft column through bending. The middle of the rotating shaft column is a through hollow structure. The hole connector is formed by stamping a metal plate to form a second fixing part and a second bending part. The second bending part is formed into a tubular rotating shaft hole through bending. The diameter of the rotating shaft column is smaller than the diameter of the rotating shaft hole. The rotating shaft column is disposed in the rotating shaft hole.

11. A fire-fighting box according to claim 10, characterized in that, The portion of the outer wall of the pivot hole that contacts the side wall of the box / cover is a plane.

12. A fire-fighting box according to claim 10, characterized in that, The first fixing part and the cover side wall / box side wall are provided with mutually compatible assembly holes, and the second fixing part and the cover side wall / box side wall are also provided with mutually compatible assembly holes. The first bending part includes a connecting part, and the rotating shaft is connected to the first fixing part through the connecting part. There is a gap between the rotating shaft hole and the connecting part, and the height of the gap is controlled by the distance between the assembly holes.

13. A fire-fighting box according to claim 12, characterized in that, The number of connecting components is two sets, and the two sets of connecting components are arranged in a mirror image. The minimum set of connecting components is fixed to the side wall of the box and / or the side wall of the cover through the assembly hole after the cover is closed onto the box.

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