CN114050750A

CN114050750A - Control cabinet of generator set

Info

Publication number: CN114050750A
Application number: CN202210034464.9A
Authority: CN
Inventors: 郭晨霏; 欧阳海平; 陈欣然
Original assignee: Shenzhen NYY Technology Co Ltd
Current assignee: Shenzhen NYY Technology Co Ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-02-15

Abstract

The invention discloses a control cabinet of a generator set, which comprises a shell, wherein one side of the shell is provided with a mounting hole, and the other side of the shell is provided with a door body; the mounting rack comprises a bottom plate, a first vertical beam and a tray assembly; the reinforcing assembly comprises second vertical beams and reinforcing beams, the reinforcing beams are connected with the shell, the mounting frame is arranged between the second vertical beams, and the mounting frame is connected with the reinforcing beams; the general control assembly is covered on the mounting port of the shell and is connected with the stiffening beam. Compared with the prior art, this application designs the switch board into four bibliographic categories branch, assembles the shell of packing into after fixing with mounting bracket, reinforcement assembly and total accuse subassembly, guarantees the relative position of mounting bracket and total accuse subassembly, has greatly made things convenient for operating personnel to install and dismantle, has reduced the mutual interference between each module simultaneously, has avoided the confusion of circuit arrangement for the circuit can both arrange in order, convenient to overhaul.

Description

Control cabinet of generator set

Technical Field

The invention relates to the technical field of internal combustion generators, in particular to a control cabinet of a generator set.

Background

The container type generator set is widely applied to the fields of field engineering, emergency rescue, rescue and the like. The existing container type generator set container generally adopts an internal combustion engine to generate electricity, and because the cost of diesel oil power generation is relatively low, the container type generator set for emergency use in the market generally adopts a diesel oil generator, and the generator set monitors the running condition of the generator set through a core control cabinet to control the operation of the generator set.

However, the structural layout of the control cabinet in the prior art is more disordered, the layout of each part inside the control cabinet is random, the space utilization rate inside the control cabinet is poor, the installation of the parts inside the control cabinet is difficult on the one hand, the layout of each part inside the control cabinet is unreasonable on the other hand, and the circuit is disordered and is not convenient for maintenance and overhaul in the later stage.

Disclosure of Invention

The invention provides a control cabinet of a generator set, which solves the technical problems of disordered layout, inconvenient installation and the like of the control cabinet of the generator set in the prior art.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a control cabinet for a generator set, comprising: the door comprises a shell, a door body and a door body, wherein one side of the shell is provided with a mounting hole, and the other side of the shell is provided with the door body; the mounting frame is arranged in the shell close to the door body and comprises a bottom plate, at least one pair of first vertical beams vertically arranged on the bottom plate and a tray assembly arranged between the two vertical beams, the tray assembly comprises a plurality of trays arranged at intervals in the vertical direction, a battery box, a UPS assembly and a video recorder are arranged on each tray, a circuit breaker is arranged between the two first vertical beams, a group of wiring terminals and first wiring boards corresponding to the wiring terminals are arranged at the bottom of the mounting frame, and a wiring port is formed in the bottom of the bottom plate; the reinforcing assembly comprises at least one pair of second vertical beams which are vertically arranged and a reinforcing beam which is horizontally arranged on each second vertical beam, the reinforcing beam is connected with the shell, the mounting frame is arranged between two second vertical beams in each pair of second vertical beams, and the mounting frame is connected with the reinforcing beam; the general control assembly is arranged at the mounting opening of the shell in a covering mode and is connected with the reinforcing beam.

Further, the shell comprises side plates arranged on two sides of the mounting opening and a base plate arranged below the side plates, and the bottom plate is mounted on the base plate.

Further, the inner side of the base plate is provided with a mounting foot, the mounting foot is arranged at the bottom of the shell, the bottom plate is arranged at the upper end of the mounting foot, and a gap for communicating one side of a mounting opening of the shell with one side of a door body is formed between the bottom plate and the bottom of the shell.

Further, the installation foot includes a horizontal plate and two connecting plates, the horizontal plate is the bottom parallel and level of shell, the shape of connecting plate is right trapezoid, the right angle both sides of connecting plate are connected respectively horizontal plate and backing plate, just the upper portion size of connecting plate is less than the lower part.

Further, the mounting frame comprises a pair of first vertical beams arranged close to the door body, and the mounting frame further comprises a connecting piece for fixedly connecting the tray with the reinforcing beam.

Further, the switch board is including the integration the circuit breaker terminal disc of circuit breaker, the circuit breaker terminal disc is installed vertically the upper portion of first perpendicular roof beam, the tray subassembly is located circuit breaker terminal disc below.

Furthermore, each second vertical beam is provided with a plurality of reinforcing beams at intervals in the height direction, and a second wire clamping plate is arranged on the reinforcing beam close to the circuit breaker wiring plate.

Furthermore, a binding beam is connected between two first vertical beams in each pair of first vertical beams, a plurality of openings arranged at intervals are formed in the binding beam, and T-shaped winding plates are arranged in the openings.

Further, the switch board still including locating the ground copper bar on the bottom plate, the ground copper bar still with it is fixed to consolidate the subassembly and be connected.

Further, one side of the door body with rotate between the shell and be connected, be equipped with the lock between the opposite side of the door body and the shell, the lock includes: the rotating shaft is rotatably arranged in the door body; the handle is arranged on the outer side of the door body and is rotationally connected with the rotating shaft; the first clamping assembly comprises a first bolt, a first slot and a first connecting strip, the first slot is arranged above the door body and corresponds to the first bolt, and the first connecting strip is arranged at one end, far away from the first slot, of the first bolt; the second clamping assembly comprises a second bolt, a second slot and a second connecting strip, the second slot is arranged below the door body and corresponds to the second bolt, and the second connecting strip is arranged at one end, far away from the second slot, of the second bolt; the rotating gear is coaxially fixed with the rotating shaft, a plurality of first occlusion ports arranged along the axial direction of the first bolt are formed in the first connecting strip, a plurality of second occlusion ports arranged along the axial direction of the second bolt are formed in the second connecting strip, the first occlusion ports and the second occlusion ports are meshed with the rotating gear, and the first connecting strip and the second connecting strip are respectively arranged on two opposite sides of the rotating gear; the door body is still including hiding and placing the holding tank of handle, the pivot is located the one end of holding tank, the handle with the pivot is rotated and is connected, the other end of holding tank is equipped with elasticity and resets and detains, elasticity reset detain with rotate between the door body and be connected, elasticity resets and detains including pressing end and joint end, works as the handle hide in when in the holding tank, the joint end with the handle joint is fixed.

Has the advantages that: compared with the prior art, this application designs into four bibliographic categories branch with the switch board, with the mounting bracket, the shell is packed into after reinforcing component and total accuse subassembly are assembled fixedly, it places each module to have set up tray assembly on the mounting bracket, and the relative position of mounting bracket and total accuse subassembly can be guaranteed in the setting of reinforcing component, the installation of operating personnel and dismantlement have greatly made things convenient for, the mutual interference between each module has been reduced simultaneously, and the wiring board has been set up on the mounting bracket, the operating personnel of being convenient for work of working a telephone switchboard in the installation, make the inside overall arrangement that can be more reasonable of switch board simultaneously, especially, the confusion of circuit arrangement has been avoided, make the circuit can both arrange in order, and convenient for overhaul.

Drawings

Fig. 1 is a schematic perspective view of a control cabinet according to the present invention.

Fig. 2 is an exploded view of the control cabinet of the present invention.

FIG. 3 is a schematic view of an assembly structure of the mounting frame, the reinforcing component and the master control component in the invention.

Fig. 4 is a schematic perspective view of the pad of the present invention.

Fig. 5 is a schematic perspective view of a cable tie beam according to the present invention.

Fig. 6 is a perspective view of the door lock of the present invention from one perspective.

Fig. 7 is a perspective view of the door lock of the present invention from another perspective.

Wherein, the main reference signs in the invention are:

1. a housing; 11. a door body; 12. a rotating shaft; 13. a handle; 14. a first clamping assembly; 141. a first latch; 142. a first connecting bar; 15. a second clamping assembly; 151. a second bolt; 152. a second connecting strip; 17. a side plate; 18. a base plate; 2. a mounting frame; 21. a base plate; 22. a vent; 23. a wire passing hole; 24. a first vertical beam; 25. a tray assembly; 26. a battery box; 27. a UPS component; 28. a video recorder; 29. a connecting member; 3. a reinforcement assembly; 31. a second vertical beam; 32. a reinforcing beam; 33. a cross beam; 4. a master control component; 41. a switch; 42. a control box; 43. a panel; 5. binding the wire beam; 51. a wire winding plate; 6. mounting a foot; 61. a horizontal plate; 62. a connecting plate; 7. a breaker panel; 8. elastic reset button.

Detailed Description

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

The invention provides a control cabinet of a generator set, as shown in figures 1 to 3, the control cabinet in the application only needs to be composed of four parts, namely a shell 1, a mounting frame 2, a reinforcing component 3 and a master control component 4; wherein, one side of the shell 1 is provided with a mounting port, the other side is provided with a door body 11, the mounting rack 2 comprises a bottom plate 21, the bottom plate 21 is provided with a vent 22 and a wire passing hole 23, the inner wall of the wire passing hole 23 is provided with a wire passing rubber ring, the bottom plate 21 is vertically provided with at least one pair of first vertical beams 24, a tray component 25 is arranged between the two first vertical beams 24 of each pair of first vertical beams 24, the tray component 25 comprises a plurality of trays which are arranged at intervals from top to bottom, the trays are used for installing and placing all module components required to be integrated and arranged by the generator set control cabinet, the common module components of the generator set control cabinet comprise an acquisition module, a power supply module, a UPS component 27, an I/O module, an energy storage converter, a video server, a monitoring host and the like, and the module components placed on the tray component 25 in the embodiment comprise a battery box 26, the UPS component 27, the monitoring host and the like, A video recorder 28; when the installation, with mounting bracket 2, consolidate subassembly 3 and always control subassembly 4 and fix, then push shell 1 from shell 1's installing port, thereby accomplish the assembly of whole switch board, such assembly methods are convenient for always control the collection module on subassembly 4 and the mounting bracket 2, power module, the wiring work of parts such as UPS subassembly 27, after the wiring is accomplished will always control subassembly 4 pack into shell 1's installing port department can, and be equipped with a set of binding post in the bottom position of mounting bracket 2, and be equipped with first calorie of line board in the top or the below that are close to binding post, wire hole 23 has been seted up on mounting bracket 2's bottom plate 21, the outer circuit of switch board passes this and crosses wire hole 23 and is connected with binding post, and the circuit can arrange in order through first calorie of line board, avoid the circuit to be mixed and disorderly, be convenient for the staff to comb the circuit.

It should be noted that, in the present application, the battery box 26 is disposed below the mounting frame 2, and the UPS module 27, the video recorder 28, etc. are disposed above the battery box 26, so that the battery box 26 with the largest weight and volume is located at the bottom, and the structure of the whole mounting frame 2 is similar to a pyramid shape, which is convenient for the overall stability of the mounting frame 2 and is not easy to incline or fall.

Wherein, the reinforcing component 3 specifically comprises second vertical beams 31 and reinforcing beams 32, the second vertical beams 31 are arranged in pairs, the reinforcing component 3 comprises at least one pair of second vertical beams 31, two second vertical beams 31 in each pair of second vertical beams 31 are respectively arranged at two sides of the interior of the shell 1, a plurality of reinforcing beams 32 are arranged on each second vertical beam 31, the reinforcing beams 32 are horizontally arranged, the reinforcing beams 32 are arranged at intervals in the height direction of the second vertical beams 31, when the installation is carried out, the inner side of the reinforcing beam 32 is fixedly connected with the first vertical beam 24 of the installation frame 2, and the outer side of the reinforcing beam 32 is fixedly connected with the inner wall of the shell 1, so that when the installation frame 2 is installed, the mounting frame 2 can be used for reinforcing, and can be used as a supporting framework of the shell 1 after the mounting frame 2 is arranged in the shell 1, so that the structural strength of the whole control cabinet is enhanced; further, the reinforcing beam 32 of the reinforcing component 3 can be fixedly connected with the master control component 4 through bolts, so that the relative position between the master control component 4 and the mounting rack 2 can be ensured, the mounting rack 2, the reinforcing component 3 and the master control component 4 can be conveniently and completely assembled into the shell 1, and dislocation between the master control component 4 and the mounting rack 2 when the shell 1 is assembled is avoided.

Further, since only one pair of first vertical beams 24 are provided in the present embodiment, but the tray assembly 25 needs to be horizontally disposed, so that the support of the tray assembly 25 is difficult to ensure, and in order to overcome this defect and enhance the stability of the tray assembly 25, the present application provides the connecting member 29, and the connecting member 29 is vertically connected to the tray, and connects the tray with the reinforcing beam 32 nearest to the tray, so that each tray is supported and fixed by means of the connecting member 29 and the first vertical beams 24.

The mounting frame 2 further comprises a connecting piece 29 for fixedly connecting the tray with the cross beam 33.

Furthermore, a cross beam 33 is erected between the two second vertical beams 31, and the cross beam 33 can be used for placing a fixed extension socket.

Furthermore, in the application, the first vertical beam 24 of the mounting frame 2 is close to one side of the door body 11 of the shell 1, the circuit breaker wiring disc 7 is arranged above the tray assembly 25 of the mounting frame 2, the circuit breaker wiring disc 7 is fixedly arranged on the upper portions of the pair of first vertical beams 24, the circuit breaker wiring disc 7 is integrally provided with a plurality of circuit breakers and wiring terminals, and the circuit breaker wiring disc 7 is arranged above the control cabinet, so that manual operation is facilitated; the tray assembly 25 is disposed below the breaker terminal tray 7. And, respectively be equipped with the second wire clamping board on the stiffening beam 32 that is close to the both sides of circuit breaker connection dish 7, the second wire clamping board level sets up for comb the inside top-down circuit of arranging of switch board, and the second wire clamping board sets up between circuit breaker connection dish 7 and total control subassembly 4, be convenient for chucking and management from the complicated circuit of the labyrinth between total control subassembly 4 and circuit breaker connection dish 7.

The total control assembly 4 comprises a switch 41 and a control box 42, but because the size of the total control assembly 4 is relatively small, therefore the total control assembly 4 is further provided with a panel 43, the panel 43 is used for being packaged in the mounting opening of the shell 1, seal the shell 1, the control box 42 in the total control assembly 4 is arranged above the control cabinet, the panel is arranged relative to the circuit breaker wiring disc 7, the circuit connection between the control box 42 and the circuit breaker wiring disc 7 is convenient, a channel is formed between the control box 42 and the circuit breaker wiring disc 7, the heat dissipation of the control box 42 is convenient, and the heat in the control cabinet is taken away in time through cold air from the channel.

Further, as shown in fig. 4, the structure of the shell 1 in the present application specifically includes four vertically arranged frame strips, the four frame strips are arranged in a rectangular shape, an upper cover is disposed at the upper end of the frame strip, the shell 1 further includes two side plates 17, the two side plates 17 are disposed oppositely, the side plates 17 are fixed on the frame strips, and a plurality of horizontal ribs are further disposed on each side plate 17 located inside the shell 1, and two ends of the ribs are connected with the two frame strips, so as to improve the connection strength of the side plates 17; however, the side plate 17 does not completely cover one side of the housing 1, a certain space exists below the side plate 17, the backing plate 18 is arranged below the side plate 17, the backing plate 18 is also fixedly connected with the frame strips at two sides of the side plate 17, the backing plate 18 fills the remaining space below the side plate 17, the mounting feet 6 are arranged at the inner sides of the two backing plates 18, each mounting foot 6 specifically comprises a horizontal plate 61 and two connecting plates 62, the horizontal plate 61 is flush with the bottom end of the housing 1 and is rectangular, the connecting plates 62 are rectangular, the edges at two right-angled sides of the connecting plates 62 are connected with the horizontal plate 61 and the backing plate 18, and the upper part of each connecting plate 62 is smaller than the lower part, so that the structural strength of the mounting feet 6 can be improved; the setting of installation foot 6 can promote the support stability of switch board, the upper end of connecting plate 62 is the parallel and level form simultaneously, two installation feet 6 can play good supporting role to the bottom plate 21 of mounting bracket 2, be convenient for pack into of mounting bracket 2, and after mounting bracket 2 packed into, the bottom of switch board can form a passageway, this passageway can enough be arranged in the inside circuit of switch board to wear out from crossing wire hole 23 on bottom plate 21, and vent 22 has still been seted up on bottom plate 21, vent 22 is linked together with the passageway of always controlling the formation between subassembly 4 and the mounting bracket 2, be arranged in cold wind gets into the switch board from the bottom of switch board, strengthen the air circulation nature of switch board.

As shown in fig. 5, and in this embodiment, one side of the mounting bracket 2 close to the door body 11 needs to be exposed when the door body 11 is opened, therefore, besides the breaker terminal board 7 and the tray assembly 25, a decorative board is further provided below the tray assembly 25 on the two first vertical beams 24, and a plurality of binding beams 5 are further provided between the two first vertical beams 24, the binding beams 5 are provided between two adjacent trays, or between the tray assembly 25 and the breaker terminal board 7, a plurality of openings are provided at intervals on each binding beam 5, a wire winding board 51 is provided in each opening, the shape of the wire winding board 51 is T-shaped, the belly of the wire winding board 51 is connected with the binding beam 5, two flange portions of the wire winding board 51 are located in the openings, the binding beams 5 can fill the natural space formed between the trays to play a decorative role, on the other hand, the wire winding or lapping of the wire on the wire winding board 51 can be facilitated, the circuit in the central control cabinet is prevented from being too loose.

Further, the control cabinet further comprises a ground copper bar, the ground copper bar is vertically fixed on the bottom plate, and the ground copper bar is further fixedly connected with the reinforcing assembly 3, so that the internal circuit structure is conveniently grounded.

Further, as shown in fig. 6 and 7, the door body 11 in the present application is rotatably connected with the housing 1 (frame strip of the housing 1) through the hinge on one side, and the door lock is arranged on the other side, and is locked with the housing 1 through the door lock, and the door lock includes: the door body 11 further comprises an accommodating groove for hiding the handle 13, the rotating shaft 12 is rotatably arranged in the door body 11, the handle 13 is arranged on the outer side of the door body 11 and is rotatably connected with the rotating shaft 12, the clamping plate is clamped on the inner side of the door body 11, and one end of the clamping plate is rotatably connected with the rotating shaft 12; the first clamping component 14 comprises a first plug pin 141, a first slot and a first connecting strip 142, the first slot is arranged above the door body 11 and corresponds to the first plug pin 141, the first connecting strip 142 is arranged at one end of the first plug pin 141 far away from the first slot, the second clamping component 15 comprises a second plug pin 151, a second slot and a second connecting strip 152, the second slot is arranged below the door body 11 and corresponds to the second plug pin 151, and the second connecting strip 152 is arranged at one end of the second plug pin 151 far away from the second slot; the rotating gear is coaxially fixed with the rotating shaft 12, the first connecting strip 142 is provided with a plurality of first engaging ports arranged along the axial direction of the first bolt 141, the second connecting strip 152 is provided with a plurality of second engaging ports arranged along the axial direction of the second bolt 151, the first engaging ports and the second engaging ports are engaged with the rotating gear, and the first connecting strip 142 and the second connecting strip 152 are respectively arranged on two opposite sides of the rotating gear. The one end of holding tank is located to pivot 12, handle 13 rotates with pivot 12 to be connected, the other end of holding tank is equipped with elasticity and resets and detains 8, elasticity resets and detains 8 and the door body 11 between rotate and be connected, elasticity resets and detains 8 and holds including pressing down end and joint, when handle 13 hides in the holding tank, the joint end is fixed with the 13 joints of handle, press down and press down the end, can rotate and take out this handle 13, through rotating handle 13, drive the running gear and rotate, and then make first bolt 141 break away from first slot, second bolt 151 breaks away from the second slot, door body 11 can be opened.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A switch board of generating set, its characterized in that includes:

the refrigerator door comprises a shell (1), wherein one side of the shell (1) is provided with a mounting opening, and the other side of the shell is provided with a door body (11);

the mounting rack (2) is arranged in the shell (1), the mounting rack (2) comprises a bottom plate (21), a pair of first vertical beams (24) which are close to one side of the door body (11) and vertically installed on the bottom plate (21), and tray assemblies (25) installed between the two first vertical beams, each tray assembly (25) comprises a plurality of trays which are arranged at intervals in the vertical direction, a battery box (26), a UPS assembly (27) and a video recorder (28) are installed on each tray, a circuit breaker is installed between the two first vertical beams (24), a group of wiring terminals and first wiring boards corresponding to the wiring terminals are arranged at the bottom of the mounting rack (2), and a wiring port is formed in the bottom of the bottom plate (21);

a reinforcement assembly (3), wherein the reinforcement assembly (3) comprises at least one pair of second vertical beams (31) which are vertically arranged, and a reinforcing beam (32) which is horizontally arranged on each second vertical beam (31), the reinforcing beam (32) is connected with the shell (1), the mounting frame (2) is arranged between two second vertical beams (31) in each pair of second vertical beams (31), and the mounting frame (2) is connected with the reinforcing beam (32);

the general control assembly (4) is arranged at the mounting opening of the shell (1) in a covering mode, and the general control assembly (4) is connected with the reinforcing beam (32).

2. The control cabinet of a generator set according to claim 1, characterized in that the housing (1) comprises side plates (17) arranged on both sides of the mounting opening and a backing plate (18) arranged below the side plates (17), the bottom plate (21) being mounted on the backing plate (18).

3. The control cabinet of the generator set according to claim 2, characterized in that a mounting foot (6) is arranged on the inner side of the backing plate (18), the mounting foot (6) is arranged at the bottom of the shell (1), the bottom plate (21) is arranged at the upper end of the mounting foot (6), and a gap for communicating the mounting opening side of the shell (1) with the door body (11) side is arranged between the bottom plate (21) and the bottom of the shell (1).

4. The control cabinet of a generator set according to claim 3, characterized in that the mounting foot (6) comprises a horizontal plate (61) and two connecting plates (62), the horizontal plate (61) is flush with the bottom end of the housing (1), the connecting plates (62) are in the shape of a right trapezoid, the two right-angled sides of the connecting plates (62) are respectively connected with the horizontal plate (61) and the backing plate (18), and the upper dimension of the connecting plates (62) is smaller than the lower dimension.

5. The control cabinet of a generator set according to claim 1, characterized in that the mounting frame (2) comprises a pair of first vertical beams (24) arranged close to the door body (11), and the mounting frame (2) further comprises a connecting piece (29) for fixedly connecting the tray with the reinforcing beam (32).

6. The control cabinet of a generator set according to claim 1, characterized in that it comprises a circuit breaker terminal tray (7) integrated with the circuit breaker, the circuit breaker terminal tray (7) being vertically mounted on the upper portion of the first vertical beam (24), the tray assembly (25) being provided below the circuit breaker terminal tray (7).

7. The control cabinet of the generator set according to claim 6, characterized in that each second vertical beam (31) is provided with a plurality of reinforcement beams (32) at intervals in the height direction, and a second wire clamping plate is arranged on the reinforcement beam (32) close to the circuit breaker terminal plate (7).

8. The control cabinet of the generator set according to claim 1, characterized in that a binding beam (5) is further connected between two first vertical beams (24) in each pair of first vertical beams (24), the binding beam (5) is provided with a plurality of openings arranged at intervals, and a T-shaped winding plate (51) is arranged in each opening.

9. The control cabinet of the generator set according to claim 1, characterized in that the control cabinet further comprises a ground copper bar arranged on the bottom plate (21), and the ground copper bar is further fixedly connected with the reinforcing component (3).

10. The control cabinet of the generator set according to claim 1, wherein one side of the door body (11) is rotatably connected with the housing (1), a door lock is arranged between the other side of the door body (11) and the housing (1), and the door lock comprises:

the rotating shaft (12), the said rotating shaft (12) is set up in the door body (11) rotatably;

the handle (13) is arranged on the outer side of the door body (11) and is rotationally connected with the rotating shaft (12);

the first clamping assembly (14) comprises a first bolt (141), a first slot and a first connecting strip (142), the first slot is arranged above the door body (11) and corresponds to the first bolt (141), and the first connecting strip (142) is arranged at one end, far away from the first slot, of the first bolt (141);

the second clamping assembly (15) comprises a second plug pin (151), a second slot and a second connecting strip (152), the second slot is arranged below the door body (11) and corresponds to the second plug pin (151), and the second connecting strip (152) is arranged at one end, far away from the second slot, of the second plug pin (151);

the rotating gear is coaxially fixed with the rotating shaft (12), a plurality of first occlusion ports arranged along the axial direction of the first bolt (141) are formed in the first connecting strip (142), a plurality of second occlusion ports arranged along the axial direction of the second bolt (151) are formed in the second connecting strip (152), the first occlusion ports and the second occlusion ports are meshed with the rotating gear, and the first connecting strip (142) and the second connecting strip (152) are respectively arranged on two opposite sides of the rotating gear;

the door body (11) is still including hiding and placing the holding tank of handle (13), pivot (12) are located the one end of holding tank, handle (13) with pivot (12) are rotated and are connected, the other end of holding tank is equipped with elasticity and resets and detain (8), elasticity reset detain (8) with rotate between the door body (11) and be connected, elasticity resets and detains (8) and holds including pressing down end and joint, works as handle (13) hide in when in the holding tank, the joint end with handle (13) joint is fixed.