CN216313584U - Controller safety device convenient to loading and unloading - Google Patents
Controller safety device convenient to loading and unloading Download PDFInfo
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- CN216313584U CN216313584U CN202122541844.5U CN202122541844U CN216313584U CN 216313584 U CN216313584 U CN 216313584U CN 202122541844 U CN202122541844 U CN 202122541844U CN 216313584 U CN216313584 U CN 216313584U
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Abstract
The utility model relates to a controller safety protection device convenient to assemble and disassemble, which adopts double-headed screws, namely, one end of each screw is a first screw, the other end of each screw is a second screw, a first screw hole is formed in a cover, a second screw hole is formed in a box body, the first screw and the second screw are integrated and are penetrated on the cover, and the outer diameters of a nut of the first screw and the second screw are larger than that of the first screw hole in the cover, so that the screws cannot fall off the cover after the cover is disassembled and loosened, and when the cover is installed after maintenance, the screws can be directly screwed down without inserting the screws again. Meanwhile, the periphery of the cover is provided with the insulating groove, the periphery of the box body is provided with the insulating protrusion, the insulating groove and the insulating protrusion are just matched when the cover is installed, the sealing effect is achieved, the cover is prevented from directly falling after the screw is disassembled, and the labor efficiency is improved. The utility model provides a box and lid are bilayer structure, and the skin is the metal level, and the inlayer is the insulating layer, plays the dual function of protection and electric leakage.
Description
Technical Field
The utility model belongs to the technical field of safety protection equipment, and particularly relates to a controller safety protection device convenient to assemble and disassemble.
Background
Most mechanical equipment needs electrical control, and a control device is usually arranged on the equipment, so that the control device must be provided with a shell as a protection device.
Most of the existing protective devices consist of a cover and a box body, and the cover of the protective device is connected with the box body by screws. When the control device is overhauled, the screw needs to be detached by a screwdriver or a plate, the screw can fall off the cover during detachment, and the screw needs to be inserted into the screw hole again during installation and then screwed. The screws are easy to fall off and even are lost sometimes, when the last screw or two screws are screwed off, the cover is prevented from falling off from the box body, the cover needs to be held by hands, the labor amount is increased, the labor time is prolonged, and the control device is inconvenient to overhaul.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a controller safety protection device convenient to assemble and disassemble, and aims to solve the problems that the existing protection device of a control device is inconvenient to assemble or disassemble, the labor amount is increased, and the labor time is prolonged.
In order to realize the purpose, the utility model is realized by the following technical scheme:
a controller safety protection device convenient to assemble and disassemble comprises a cover and a box body, wherein the cover and the box body are in clamping fit with an insulation boss through screws and insulation grooves;
the cover comprises a cover body, wherein four corners of the cover body are respectively provided with a first screw hole, the middle of the frame of the cover body is provided with an insulating groove, and the middle part of the cover body forms a cover inner cavity;
the screw is composed of a first screw and a second screw, the outer diameter of the first screw is smaller than that of the second screw, and the first screw is in threaded fit with the first screw hole;
the box includes the box body, is provided with the second screw hole in four bights of box body, and second screw hole and second screw thread fit are provided with insulating boss in the middle of the frame of box body, the mid portion of box body forms the box inner chamber.
Furthermore, the cover body and the box body both comprise a metal outer layer and an internal insulation lining layer.
Furthermore, four corners of the cover body are respectively provided with a first arc-shaped platform, and the first screw through hole is arranged on the first arc-shaped platform.
Furthermore, a circular groove is formed in the inner side of the cover body opposite to the first screw through hole, and the first screw through hole and the circular groove form a step hole structure.
Further, the diameter of the circular groove is larger than the outer diameter of the second screw, and the second screw can enter the circular groove.
Furthermore, an internal thread hole is formed in one end of the second screw and used for being in threaded fit with the first screw, and a quincuncial countersunk head is arranged at the other end of the second screw.
Furthermore, four corners of the box body are provided with second arc-shaped platforms, and second screw holes are formed in the second arc-shaped platforms.
Furthermore, the cover inner cavity and the box inner cavity form an accommodating cavity of the control device.
The utility model has the beneficial effects that:
this technical scheme is through adopting the double-end screw, the one end of screw is first screw promptly, the other end is the second screw, be first screw hole on the lid, be the second screw hole on the box, first screw and second screw are as an organic whole, wear on the lid, because the nut of first screw and the first screw hole on the lid of second screw external diameter are greater than, after dismantling the lid and loosen the screw like this, the screw can not drop from the lid, when overhauing the back installation lid, need not insert the screw again and directly just can tighten the screw. Meanwhile, the periphery of the cover is provided with the insulating groove, the periphery of the box body is provided with the insulating protrusion, the insulating groove and the insulating protrusion are just matched when the cover is installed, the sealing effect is achieved, the cover is prevented from directly falling after the screw is disassembled, and the labor efficiency is improved. The utility model provides a box and lid are bilayer structure, and the skin is the metal level, and the inlayer is the insulating layer, plays the dual function of protection and electric leakage.
Drawings
FIG. 1 is a schematic view of the lid structure of the present invention;
FIG. 2 is a schematic structural diagram of the case of the present invention;
FIG. 3 is a side view of a cover showing a change in screw position.
Description of the reference numerals
1. The novel screw comprises a first screw, a second screw, a cover, a plum blossom countersunk head, a first arc-shaped platform, a metal outer layer, a metal groove 7, an insulating inner liner layer 8, an insulating inner liner layer 9, a cover inner cavity 10, a box body 11, a metal outer layer 12, an insulating boss 13, an insulating inner liner layer 14, a second arc-shaped platform 15, a second screw hole 16, an internal thread 17, a box body inner cavity 18, an external thread 19, a first screw hole 20, a circular groove 21, an external thread 22 and an internal thread hole.
Detailed Description
In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the technical solution of the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1 and 3, the cover 3 of the present invention is a cover structure diagram of the present invention, and functions as a conventional cover for closing the opening of the container 10, and therefore, the cover of the present invention includes a cover body, which is composed of a side surface and a surrounding frame formed by extending the periphery of the side surface inward.
In the present application, the cover 3 comprises a metal outer layer 6 and an inner insulating lining layer 8, which serve the functions of protection and leakage prevention.
The whole rectangle that is of the lid body of this application, in other embodiments, adopt triangle-shaped, the realization of this application technical scheme is not influenced to the shape more than the pentagon, four bights at the lid body all are provided with first arcuation platform 5, be provided with the step-shaped hole structure who runs through the lid body at first arcuation bench, wherein the aperture that is close to lid body surface is less than the inboard aperture of being close to the lid body, wherein the part that the aperture is little is first screw hole 19, the big part in aperture forms circular recess 20, be provided with insulating recess 7 in the centre of the frame of lid body, it also can to be provided with insulating arch certainly, form lid inner chamber 9 in the middle part of lid body.
The screw is composed of a first screw 1 and a second screw 2, the outer diameter of the first screw is smaller than that of the second screw, an internal thread hole 22 is formed in one end of the second screw 2 and used for being in threaded fit with the first screw, and a quincuncial countersunk head 4 is arranged at the other end of the second screw. Thus, the first screw 1 and the second screw 2 are connected into a whole, the first screw is inserted into the first screw hole 19, the second screw 2 can be just arranged in the circular groove 20, and the whole body formed by the first screw 1 and the second screw 2 can not fall off the cover 3.
As shown in fig. 2, the box 10 includes a box body, a second arc-shaped platform 14 is respectively disposed at four corners of the box body, a second screw hole 15 is disposed on each arc-shaped platform, the second screw holes are in threaded fit with the second screws, an insulating boss 12 is disposed in the middle of a frame of the box body and is used for being in clamping fit with an insulating groove on a cover, if the cover is an insulating boss, the insulating boss is an insulating groove, and a box inner cavity 17 is formed in the middle of the box body.
The cover inner cavity 9 and the box inner cavity 17 form a containing cavity of the control device and are used for containing the control device.
In the present application, the box 10 includes a metal outer layer 11 and an inner insulating lining layer 13, which perform the functions of protection and leakage prevention.
When the cover 3 is covered on the box body 10, the insulation boss 12 is just inserted into the insulation groove 7, and the ingenious matching of the insulation boss 12 and the insulation groove 7 can play a role in sealing, aligning and preventing the cover from falling. After the cover 3 covers the box body 10, a screw is not required to be specially found to insert into the screw hole again, the first screw 1 is directly screwed by a screwdriver, at the moment, the second screw 2 enters the second screw hole 15 of the box body along with the rotation, and the cover 3 is firmly arranged on the box body 10 to play a role of protecting the controller. The loosened screws do not fall off all the time on the cover 3 when the cover needs to be detached for maintenance, thereby preventing the screws from being lost. Therefore, the protective device not only plays a good protective role, but also improves the labor efficiency when the cover is detached or installed.
Although embodiments of the present application 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 application, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A controller safety protection device convenient to assemble and disassemble comprises a cover and a box body, and is characterized in that the cover and the box body are in clamping fit with an insulation boss through screws and insulation grooves;
the cover comprises a cover body, wherein four corners of the cover body are respectively provided with a first screw hole, the middle of the frame of the cover body is provided with an insulating groove, and the middle part of the cover body forms a cover inner cavity;
the screw is composed of a first screw and a second screw, the outer diameter of the first screw is smaller than that of the second screw, and the first screw is in threaded fit with the first screw hole;
the box includes the box body, is provided with the second screw hole in four bights of box body, and second screw hole and second screw thread fit are provided with insulating boss in the middle of the frame of box body, the mid portion of box body forms the box inner chamber.
2. A controller safety protection device convenient to load and unload according to claim 1, wherein the cover body and the box body both comprise a metal outer layer and an inner insulating lining layer.
3. A controller safety shield apparatus facilitating handling as recited in claim 1, wherein a first arc-shaped ledge is provided at each of four corners of the cover body, the first screw passing hole being provided on the first arc-shaped ledge.
4. A controller safety shield apparatus facilitating handling as recited in claim 1, wherein a circular recess is provided on an inner side of the cover body opposite the first screw passing hole, the first screw passing hole and the circular recess forming a stepped hole structure.
5. A controller safety shield to facilitate handling according to claim 4, wherein the diameter of the circular recess is larger than the outer diameter of the second screw, and the second screw can enter the circular recess.
6. The controller safety protection device convenient for assembly and disassembly as recited in claim 1, wherein an internal threaded hole is provided at one end of the second screw for being threadedly engaged with the first screw, and a quincuncial countersink is provided at the other end of the second screw.
7. A controller safety guard device facilitating handling as set forth in claim 1, wherein a second arc-shaped platform is provided at each of four corners of the box body, and the second screw hole is provided on the second arc-shaped platform.
8. A controller safety protection device convenient for loading and unloading according to claim 1, wherein the inner cavity of the cover and the inner cavity of the box body form a containing cavity of the control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122541844.5U CN216313584U (en) | 2021-10-21 | 2021-10-21 | Controller safety device convenient to loading and unloading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122541844.5U CN216313584U (en) | 2021-10-21 | 2021-10-21 | Controller safety device convenient to loading and unloading |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216313584U true CN216313584U (en) | 2022-04-15 |
Family
ID=81116619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122541844.5U Active CN216313584U (en) | 2021-10-21 | 2021-10-21 | Controller safety device convenient to loading and unloading |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216313584U (en) |
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2021
- 2021-10-21 CN CN202122541844.5U patent/CN216313584U/en active Active
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