CN211744968U

CN211744968U - High-safety circuit box for engineering machinery

Info

Publication number: CN211744968U
Application number: CN202020269899.8U
Authority: CN
Inventors: 张军山
Original assignee: State Grid Jiangsu Electric Power Design Consultation Co ltd; Economic and Technological Research Institute of State Grid Jiangsu Electric Power Co Ltd
Current assignee: State Grid Jiangsu Electric Power Design Consultation Co ltd; Economic and Technological Research Institute of State Grid Jiangsu Electric Power Co Ltd
Priority date: 2020-03-07
Filing date: 2020-03-07
Publication date: 2020-10-23
Anticipated expiration: 2030-03-07

Abstract

The utility model relates to the technical field of engineering machinery, and discloses a high-safety circuit box for engineering machinery, which comprises a box body, a shell and a circuit board body, wherein the shell is arranged inside the box body, the circuit board body is arranged inside the shell, the left side and the right side of the shell are respectively bolted with a plurality of cylinders, the inside of the box body is bolted with a sleeve shell matched with the cylinders for use, and one end of the cylinder, which is far away from the shell, extends to the inside of the sleeve shell and is bolted with a limiting block; the utility model discloses have buffering safeguard function, it can implement safeguard measure to self internally mounted's circuit board, reduces the influence of jolting to the circuit board, reduces the potential safety hazard, improves the security of this circuit box simultaneously, has solved current circuit box for engineering machine tool and has mostly lacked protective structure, and the external component that jolts that produces easily makes on its inside circuit board appears becoming flexible, has the problem of short circuit leakage risk even.

Description

High-safety circuit box for engineering machinery

Technical Field

The utility model relates to an engineering machine tool technical field specifically is a high circuit box for engineering machine tool of security.

Background

Engineering machinery is an important component of the equipment industry, and in general, mechanical equipment necessary for comprehensive mechanized construction engineering required by earth and stone construction engineering, pavement construction and maintenance, mobile hoisting, loading and unloading operation and various construction engineering is called engineering machinery. The circuit box is widely applied to control of engineering machinery equipment and is a core part of the engineering machinery.

The existing circuit box for the engineering machinery is mostly short of a protection structure, engineering machinery equipment can bump during working, components and parts on an internal circuit board are easy to loosen, and the risk of short circuit and even electric leakage exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high circuit box for engineering machine tool of security, it can cushion the protection to the circuit board, reduces the potential safety hazard, has solved current circuit box for engineering machine tool and has mostly lacked protective structure, has deposited the problem of potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high circuit box for engineering machine tool of security, includes box, casing and circuit board body, the casing sets up the inside at the box, the inside at the casing is installed to the circuit board body, the equal bolt in the left and right sides of casing has a plurality of cylinder, the inside bolt of box has the cover shell of using with the cylinder cooperation, the one end that the casing was kept away from to the cylinder extends to the inside of cover shell and bolt limiting block, the spring has been cup jointed on the surface of cylinder, and both ends install with the fixed surface of casing and cover shell respectively through fixed the knot about the spring, the upper and lower both sides of box inner chamber all bond there is the blotter, and the surface of the relative one side of blotter contacts with the surface of casing, the positive right side of box articulates through the spring hinge has the chamber door.

Preferably, a sealing gasket is bonded to the front surface of the box door, and a window is mounted on the front surface of the box door and located on the inner side of the sealing gasket.

Preferably, the right side of the inner cavity of the shell is embedded with two fans which are arranged up and down.

Preferably, the surface of the back of the box body is provided with a plurality of air holes, and the back of the box body is bolted with a filter screen matched with the air holes for use.

Preferably, first round holes are formed in the upper side and the lower side of the box body, second round holes are formed in the upper side and the lower side of the shell, and the first round holes and the second round holes are matched with each other for use.

Preferably, the surface of the opposite side of the buffer pad is arc-shaped, and the buffer pad is made of rubber.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses have buffering safeguard function, it can implement safeguard measure to self internally mounted's circuit board, reduces the influence of jolting to the circuit board, reduces the potential safety hazard, improves the security of this circuit box simultaneously, has solved current circuit box for engineering machine tool and has mostly lacked protective structure, and the external component that jolts that produces easily makes on its inside circuit board appears becoming flexible, has the problem of short circuit leakage risk even.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of the structure of the present invention;

fig. 3 is an enlarged view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a box body; 2. a housing; 3. a circuit board body; 4. a cylinder; 5. a housing; 6. a limiting block; 7. a spring; 8. a cushion pad; 9. a box door; 10. a gasket; 11. a window; 12. a fan; 13. air holes are formed; 14. filtering with a screen; 15. a first circular hole; 16. a second circular aperture.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a high-safety circuit box for construction machinery includes a box body 1, a housing 2 and a circuit board body 3, the housing 2 is disposed inside the box body 1, the circuit board body 3 is mounted inside the housing 2, a plurality of columns 4 are bolted to the left and right sides of the housing 2, a casing 5 used in cooperation with the columns 4 is bolted to the inside of the box body 1, one end of the column 4 far away from the housing 2 extends into the casing 5 and is bolted with a limiting block 6, a spring 7 is sleeved on the surface of the column 4, the left and right ends of the spring 7 are respectively fixed to the surfaces of the housing 2 and the casing 5 through fixing buckles, cushions 8 are respectively bonded to the upper and lower sides of the inner cavity of the box body 1, the surface of the opposite side of the cushion 8 contacts with the surface of the housing 2, a box door 9 is hinged to the right side of the front of the box body 1, The setting of cover shell 5, stopper 6 and spring 7, they can be in the left and right sides for casing 2 extremely inside circuit board body 3 provides buffer protection, reduce the influence of jolting to the circuit board to reduce the potential safety hazard, the upper and lower both sides of 1 inner chamber of box all are provided with blotter 8 simultaneously, for casing 2 and circuit board body 3 provide many-sided protection, reduce the not hard up probability of components and parts appearance, promote the security of this circuit box.

Referring to fig. 1, a sealing gasket 10 is adhered to the front surface of the box door 9, a window 11 is installed on the front surface of the box door 9 and located on the inner side of the sealing gasket 10, the sealing gasket 10 can increase the sealing effect of the box door 9 through the arrangement of the sealing gasket 10 and the window 11, and meanwhile, the window 11 is convenient for a worker to observe the operation condition of the circuit inside the box body 1.

Referring to fig. 1 and 2, two fans 12 are embedded in the right side of the inner cavity of the housing 2, and the fans 12 are arranged up and down, so that the fans 12 can assist in heat dissipation of the components mounted on the surface of the circuit board body 3, and the use of the components is prevented from being influenced by overheating.

Referring to fig. 2, the surface of the back of the box body 1 is provided with a plurality of air holes 13, the back of the box body 1 is bolted with a filter screen 14 used in cooperation with the air holes 13, heat generated inside the box body 1 can be dissipated to the outside through the air holes 13 by the arrangement of the air holes 13 and the filter screen 14, and the filter screen 14 can prevent dust from entering the inside of the box body 1 through the air holes 13.

Referring to fig. 2, the upper and lower sides of the box 1 are both provided with first circular holes 15, the upper and lower sides of the housing 2 are both provided with second circular holes 16, and the first circular holes 15 and the second circular holes 16 are used in cooperation with each other, and through the arrangement of the first circular holes 15 and the second circular holes 16, a worker can connect a cable with the circuit board body 3 through the first circular holes 15 and the second circular holes 16.

Referring to fig. 1 and 2, the surface of the opposite side of the buffer pad 8 is arc-shaped, and the buffer pad 8 is made of rubber, which can increase the elasticity of the buffer pad 8, and the rubber is an insulating material, which can improve the safety of the circuit box.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high circuit box for engineering machine tool of security, includes box (1), casing (2) and circuit board body (3), its characterized in that: the shell (2) is arranged inside the box body (1), the circuit board body (3) is arranged inside the shell (2), the left side and the right side of the shell (2) are respectively bolted with a plurality of columns (4), the interior of the box body (1) is bolted with a shell (5) matched with the columns (4), one end of the cylinder (4) far away from the shell (2) extends to the interior of the casing (5) and is bolted with a limiting block (6), the surface of the cylinder (4) is sleeved with a spring (7), the left end and the right end of the spring (7) are respectively fixedly installed with the surfaces of the shell (2) and the casing (5) through fixing buckles, the upper side and the lower side of the inner cavity of the box body (1) are both bonded with cushion pads (8), and the surface of the opposite side of the buffer pad (8) is contacted with the surface of the shell (2), the right side of the front surface of the box body (1) is hinged with a box door (9) through a spring hinge.

2. The high-safety circuit box for construction machinery according to claim 1, wherein: the front surface of the box door (9) is bonded with a sealing gasket (10), and the front surface of the box door (9) and the inner side of the sealing gasket (10) are provided with a window (11).

3. The high-safety circuit box for construction machinery according to claim 1, wherein: the right side of the inner cavity of the shell (2) is embedded with two fans (12), and the two fans (12) are arranged up and down.

4. The high-safety circuit box for construction machinery according to claim 1, wherein: the surface of the back of the box body (1) is provided with a plurality of air holes (13), and the back of the box body (1) is bolted with a filter screen (14) matched with the air holes (13).

5. The high-safety circuit box for construction machinery according to claim 1, wherein: first round hole (15) have all been seted up to the upper and lower both sides of box (1), second round hole (16) have all been seted up to the upper and lower both sides of casing (2), and first round hole (15) and second round hole (16) use of mutually supporting.

6. The high-safety circuit box for construction machinery according to claim 1, wherein: the surface of one side opposite to the cushion pad (8) is arc-shaped, and the cushion pad (8) is made of rubber.