CN212162416U - Ring main unit operation hole protection device - Google Patents
Ring main unit operation hole protection device Download PDFInfo
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- CN212162416U CN212162416U CN202021076057.7U CN202021076057U CN212162416U CN 212162416 U CN212162416 U CN 212162416U CN 202021076057 U CN202021076057 U CN 202021076057U CN 212162416 U CN212162416 U CN 212162416U
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- main unit
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- ring main
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Abstract
The utility model discloses a ring main unit operation hole protection device.A ring main unit is provided with an operation mechanism which comprises a protection part and an elastic part; wherein the operating mechanism has an operating shaft; the ring main unit comprises an operation panel provided with an operation hole, and the operation hole is used for extending into an external tool so as to operate the operation shaft through the external tool; the protective component is connected to the operating shaft in a sliding mode and has a protective position which is in contact with the operating panel and seals the operating hole in the sliding process; the elastic piece is used for pushing the protection component to move to the protection position and keeping the protection component at the protection position. The utility model discloses can seal effectively the handle hole prevents that the foreign object from following the handle hole stretches into among the looped netowrk cabinet, can improve the protection level of looped netowrk cabinet makes the looped netowrk cabinet satisfies the protection level requirement, can also be right the handle hole forms dual protection.
Description
Technical Field
The utility model relates to a looped netowrk cabinet handle hole protector.
Background
According to the standard regulation of the power industry, the protection grade of the shell of the ring main unit is IP4X, namely the ring main unit needs to meet the protection grade requirement during design, and an object with the thickness of 1mm needs to be prohibited from extending into the ring main unit. At present, install various electrified operating device in the looped netowrk cabinet, be equipped with the handle hole on the operating panel among the current looped netowrk cabinet mostly, the handle hole is used for stretching into external instrument so that pass through external instrument is right operating device operates. However, due to the fact that the size of the operation hole is large, foreign objects such as fingers can penetrate through the operation hole and extend into the ring main unit, the ring main unit cannot meet the requirement of protection grade, and electric shock risks are brought. Moreover, the existing housing for shielding the operation hole is easy to fall off, and the ring main unit can not meet the requirement of protection grade after the housing falls off.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a looped netowrk cabinet handle hole protector, it can seal effectively the handle hole prevents that the foreign object from following the handle hole stretches into among the looped netowrk cabinet, can improve the protection level of looped netowrk cabinet makes the looped netowrk cabinet satisfies protection level requirement, can also be right the handle hole forms dual protection, improves the stability and the reliability of looped netowrk cabinet protection.
In order to solve the technical problem, the technical scheme of the utility model is that: a ring main unit operation hole protection device is characterized in that an operation mechanism is installed in a ring main unit and comprises a protection part and an elastic part; wherein the content of the first and second substances,
the operating mechanism is provided with an operating shaft;
the ring main unit comprises an operation panel provided with an operation hole, and the operation hole is used for extending into an external tool so as to operate the operation shaft through the external tool;
the protective component is connected to the operating shaft in a sliding mode and has a protective position which is in contact with the operating panel and seals the operating hole in the sliding process;
the elastic piece is arranged between the operating mechanism and the protection component, one end of the elastic piece abuts against the operating mechanism, the other end of the elastic piece abuts against the protection component, and the elastic piece is used for pushing the protection component to move to the protection position and keeping the protection component at the protection position.
The specific scheme of the elastic part is further provided, the elastic part is a spring, the spring is sleeved on the operating shaft, one end of the spring abuts against the operating mechanism, and the other end of the spring abuts against the protective component.
The protection component is provided with a matching hole matched with the operating shaft, and the operating shaft is connected with the matching hole in a sliding fit mode.
Furthermore, an insertion hole used for extending into a part of the external tool is formed in one end part of the protection component, which is abutted against the operation panel; the fitting hole communicates with the insertion hole.
In order to further improve the sliding stability of the protective component, at least one sliding groove is arranged on the operating shaft along the length direction of the operating shaft;
the protection component is connected with a bolt corresponding to the sliding groove, one end of the bolt extends into the corresponding sliding groove, and one end of the bolt is used for sliding in the sliding groove when the protection component slides on the operating shaft.
There is further provided a concrete structure of the shield member, the shield member including:
a body slidably connected to the operating shaft;
and the sealing ring is connected to one end part of the body, and when the body slides to the protection position, the sealing ring abuts against the outer side of the operation hole with the operation panel.
Further provides a concrete mounting mode of sealing washer, the tip of body is equipped with and is used for inlaying the caulking groove of adorning the sealing washer.
Further, in order to improve the protection level of the ring main unit, a sealing groove used for extending into a part of the sealing ring when the sealing ring abuts against the operating panel is formed in the operating panel.
Further, an inner groove wall and an outer groove wall arranged on the outer side of the inner groove wall are arranged on the operation panel, and the sealing groove is arranged between the inner groove wall and the outer groove wall.
Further, in order to form double protection for the operation hole, a protection cover and a protection seat are arranged on the end face, back to the operation mechanism, of the operation panel; wherein the content of the first and second substances,
the protective seat is connected to the operation panel;
the protection casing articulates on the protection seat, the protection casing has the closed station of sealing the handle hole and opens the opening station of handle hole in the rotation process.
After the technical scheme is adopted, the protection component and the elastic piece are both located inside the ring main unit, the protection component abuts against the operation panel and effectively seals the operation hole, and therefore foreign objects such as fingers of people are prevented from extending into the ring main unit from the operation hole, and the ring main unit meets the protection level requirement. The protection casing with the protection part has formed the dual protection to the handle hole has ensured looped netowrk cabinet's protection level can both satisfy the requirement under various circumstances, has improved the reliability and the stability of looped netowrk cabinet protection. And, when the protection casing is opened or when dropping, the protection part is located protection position still can seal the handle hole, and then makes the looped netowrk cabinet still satisfies protection level requirement. When the external tool extends into the operation hole, the external tool props against the protection part and pushes the protection part to compress the elastic part, so that the external tool is matched and connected with the operation shaft to operate the operation shaft; when the external tool is pulled out of the operation hole, the elastic piece pushes the protection component to move to the protection position so as to seal the operation hole again.
Drawings
Fig. 1 is a cross-sectional view of the ring main unit operation hole protection device of the present invention;
FIG. 2 is a schematic structural diagram of a protection component of the ring main unit operation hole protection device in a protection position;
FIG. 3 is a schematic structural view of the ring main unit operation hole protection device with the protection component being out of the protection position;
fig. 4 is a schematic structural view of a protection component of the present invention;
fig. 5 is a schematic structural view of the operation shaft of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 to 5, an operation hole protection device for a ring main unit, in which an operation mechanism 1 is installed, includes a protection component 2 and an elastic component 3; wherein the content of the first and second substances,
the operating mechanism 1 has an operating shaft 4;
the ring main unit comprises an operation panel 6 provided with an operation hole 5, wherein the operation hole 5 is used for extending into an external tool so as to operate the operation shaft 4 through the external tool;
the protective component 2 is connected to the operation shaft 4 in a sliding way, and the protective component 2 has a protective position which is abutted against the operation panel 6 and seals the operation hole 5 in the sliding way;
the elastic piece 3 is arranged between the operating mechanism 1 and the protective component 2, one end of the elastic piece 3 is abutted against the operating mechanism 1, the other end of the elastic piece 3 is abutted against the protective component 2, and the elastic piece 3 is used for pushing the protective component 2 to move to the protective position and keeping the protective component 2 at the protective position. In this embodiment, the protection component 2 and the elastic member 3 are both located inside the ring main unit, the protection component 2 can effectively seal the operation hole 5, and then prevent the foreign objects such as the fingers of a person from extending into the ring main unit from the operation hole 5, so that the ring main unit meets the protection level requirement, and the reliability and the stability of the protection of the ring main unit are improved. Specifically, the operating shaft 4 may have a hexagonal prism structure, the operating mechanism 1 may be, but is not limited to, a circuit breaker, a disconnecting switch and a load switch, and the specific structures of the circuit breaker, the disconnecting switch and the load switch are all the prior art well known to those skilled in the art, and are not described in detail in this embodiment. More specifically, when an external tool extends into the operation hole 5, the external tool abuts against the protection part 2 and pushes the protection part 2 to compress the elastic part 3, so that the external tool is in fit connection with the operation shaft 4 to operate the operation shaft 4; when the external tool is pulled out of the operation hole 5, the elastic part 3 pushes the protection part 2 to move to the protection position so as to seal the operation hole 5 again, and the external tool is very convenient to use, simple in structure and low in manufacturing cost.
As shown in fig. 1 to 3, the elastic member 3 may be a spring, which is sleeved on the operating shaft 4, one end of the spring abuts against the operating mechanism 1, and the other end of the spring abuts against the shield member 2.
As shown in fig. 1 and 4, a fitting hole 7 adapted to the operating shaft 4 is provided in the protective component 2, and the operating shaft 4 is connected with the fitting hole 7 in a sliding fit manner; in this embodiment, the gap between the operating shaft 4 and the fitting hole 7 meets the requirement of the ring main unit on the protection level.
As shown in fig. 1 and 4, an insertion hole 8 for inserting a part of the external tool is provided at one end of the shield member 2 abutting against the operation panel 6, and the fitting hole 7 communicates with the insertion hole 8; in the present embodiment, the shape of the insertion hole 8 may be, but is not limited to, a circular shape.
As shown in fig. 1 to 5, at least one sliding groove 9 is formed on the operating shaft 4 and arranged along the length direction of the operating shaft 4;
the protective component 2 is connected with a bolt 10 corresponding to the sliding groove 9, one end of the bolt 10 extends into the corresponding sliding groove 9, and one end of the bolt 10 is used for sliding in the sliding groove 9 when the protective component 2 slides on the operating shaft 4. In this embodiment, the bolts 10 correspond to the sliding grooves 9 one by one, two sliding grooves 9 are provided, and one sliding groove 9 is provided on each of two opposite side walls of the operating shaft 4; in particular, the cooperation of the latch 10 and the sliding groove 9 enables the protective component 2 to slide more stably.
As shown in fig. 1 and 4, the shielding member 2 includes, for example and without limitation, the following structures:
a body 11, wherein the body 11 is connected on the operating shaft 4 in a sliding way;
the sealing ring 12 is connected to one end of the body 11, when the body 11 slides to the protection position, the sealing ring 12 abuts against the operation panel 6 on the outer side of the operation hole 5, so that the body 11 and the sealing ring 12 seal the operation hole 5, the sealing ring 12 can prevent fine impurities such as dust from falling into the ring main unit, and the protection grade of the ring main unit is improved; in this embodiment, the fitting hole 7 and the insertion hole 8 are both provided in the body 11, and the plug 10 is connected to the body 11.
As shown in fig. 1 and 4, an end of the body 11 may be provided with a groove 13 for fitting the seal ring 12.
As shown in fig. 1, the operation panel 6 is provided with a seal groove 14 for inserting a part of the seal ring 12 when the seal ring 12 abuts against the operation panel 6.
As shown in fig. 1, the operation panel 6 is provided with an inner groove wall 15 and an outer groove wall 16 disposed outside the inner groove wall 15, and the seal groove 14 is disposed between the inner groove wall 15 and the outer groove wall 16.
As shown in fig. 2 and 3, a protective cover 17 and a protective seat 18 are arranged on the end surface of the operation panel 6 facing away from the operation mechanism 1; wherein the content of the first and second substances,
the protective seat 18 is connected to the operation panel 6;
the protective cover 17 is hinged to the protective seat 18, and the protective cover 17 has a closing station for closing the operation hole 5 and an opening station for opening the operation hole 5 during rotation. Specifically, the protective cover 17 and the protective component 2 form double protection for the operation hole 5, so that the protection level of the ring main unit can meet the requirements under various conditions, and the reliability and stability of protection of the ring main unit are improved; further specifically, when the protection cover 17 is opened or falls, the protection component 2 is located at the protection position, and still can seal the operation hole 5, so that the ring main unit still meets the protection level requirement.
The working principle of the utility model is as follows:
the protection component 2 and the elastic piece 3 are both located inside the ring main unit, the protection component 2 abuts against the operation panel 6 and effectively seals the operation hole 5, and therefore foreign objects such as fingers of a person are prevented from extending into the ring main unit from the operation hole 5, and the ring main unit meets the protection level requirement. The protection casing 17 with the protection part 2 has formed the dual protection to handle hole 5 has ensured the protection level of looped netowrk cabinet can both satisfy the requirement under various circumstances, has improved the reliability and the stability of looped netowrk cabinet protection. And, when the protection casing 17 is opened or drops, protection part 2 is located protection position still can seal operation hole 5, and then makes the looped netowrk cabinet still satisfies protection level requirement. When an external tool extends into the operation hole 5, the external tool abuts against the protection part 2 and pushes the protection part 2 to compress the elastic part 3, so that the external tool is matched and connected with the operation shaft 4 to operate the operation shaft 4; when the external tool is pulled out of the operation hole 5, the elastic part 3 pushes the protection part 2 to move to the protection position so as to seal the operation hole 5 again.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (10)
1. A ring main unit operation hole protection device is characterized in that an operation mechanism (1) is installed in a ring main unit and comprises a protection part (2) and an elastic part (3); wherein the content of the first and second substances,
the operating mechanism (1) is provided with an operating shaft (4);
the ring main unit comprises an operation panel (6) provided with an operation hole (5), wherein the operation hole (5) is used for extending into an external tool so as to operate the operation shaft (4) through the external tool;
the protective component (2) is connected to the operating shaft (4) in a sliding mode, and the protective component (2) has a protective position which is abutted against the operating panel (6) and seals the operating hole (5) in the sliding process;
the elastic piece (3) is arranged between the operating mechanism (1) and the protective component (2), one end of the elastic piece (3) is abutted against the operating mechanism (1), the other end of the elastic piece (3) is abutted against the protective component (2), and the elastic piece (3) is used for pushing the protective component (2) to move to the protective position and enable the protective component (2) to be kept at the protective position.
2. The ring main unit operation hole protection device according to claim 1, wherein the elastic member (3) is a spring, the spring is sleeved on the operation shaft (4), one end of the spring abuts against the operation mechanism (1), and the other end of the spring abuts against the protection component (2).
3. The ring main unit operation hole protection device according to claim 1, wherein a fitting hole (7) adapted to the operation shaft (4) is provided in the protection component (2), and the operation shaft (4) is connected with the fitting hole (7) in a sliding fit manner.
4. The ring main unit operation hole protection device of claim 3,
one end part of the protective component (2) which is abutted against the operation panel (6) is provided with an insertion hole (8) which is used for extending into one part of the external tool;
the matching hole (7) is communicated with the insertion hole (8).
5. The ring main unit operation hole protection device of claim 3,
the operating shaft (4) is provided with at least one sliding groove (9) arranged along the length direction of the operating shaft (4);
the safety device is characterized in that a bolt (10) corresponding to the sliding groove (9) is connected to the protection component (2), one end of the bolt (10) extends into the corresponding sliding groove (9), and one end of the bolt (10) is used for sliding in the sliding groove (9) when the protection component (2) slides on the operating shaft (4).
6. The ring main unit operation hole protection device according to claim 1, wherein the protection component (2) comprises:
a body (11), the body (11) being slidably connected to the operating shaft (4);
the sealing ring (12) is connected to one end of the body (11), and when the body (11) slides to the protection position, the sealing ring (12) abuts against the outer side of the operation hole (5) with the operation panel (6).
7. The ring main unit operation hole protection device according to claim 6, wherein the end of the main body (11) is provided with a caulking groove (13) for embedding the sealing ring (12).
8. The ring main unit operation hole protection device according to claim 6, wherein the operation panel (6) is provided with a sealing groove (14) for extending into a part of the sealing ring (12) when the sealing ring (12) abuts against the operation panel (6).
9. The ring main unit operation hole protection device of claim 8, wherein the operation panel (6) is provided with an inner groove wall (15) and an outer groove wall (16) arranged outside the inner groove wall (15), and the sealing groove (14) is arranged between the inner groove wall (15) and the outer groove wall (16).
10. The ring main unit operation hole protection device according to claim 1, wherein a protection cover (17) and a protection seat (18) are arranged on an end surface of the operation panel (6) facing away from the operation mechanism (1); wherein the content of the first and second substances,
the protective seat (18) is connected to the operation panel (6);
the protective cover (17) is hinged to the protective seat (18), and the protective cover (17) is provided with a closing station for sealing the operation hole (5) and an opening station for opening the operation hole (5) in the rotating process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021076057.7U CN212162416U (en) | 2020-06-12 | 2020-06-12 | Ring main unit operation hole protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021076057.7U CN212162416U (en) | 2020-06-12 | 2020-06-12 | Ring main unit operation hole protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212162416U true CN212162416U (en) | 2020-12-15 |
Family
ID=73702176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021076057.7U Active CN212162416U (en) | 2020-06-12 | 2020-06-12 | Ring main unit operation hole protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212162416U (en) |
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2020
- 2020-06-12 CN CN202021076057.7U patent/CN212162416U/en active Active
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