CN220036431U - Hinge and insulating ring main unit - Google Patents

Abstract

The utility model discloses a hinge and an insulating ring main unit, wherein the hinge comprises a hinge support, a rotating shaft is movably connected to the hinge support, a rotating plate is fixedly arranged on the rotating shaft, a first fixing hole and a second fixing hole are respectively formed in the top and the bottom of the rotating shaft, fixed internal threads are arranged in the first fixing hole and the second fixing hole, a first positioning head and a second positioning head are respectively arranged above the first fixing hole and below the second fixing hole, a positioning hole is respectively formed in the first positioning head and the second positioning head, a fixed shaft is further arranged in the positioning hole, and a fixed external thread matched with the fixed internal thread and a positioning external thread matched with the positioning internal thread are arranged on the fixed shaft; the insulating ring main unit comprises a cabinet body and a cabinet door, a hinged support of the hinge is fixedly connected with the cabinet body, and the rotating plate is fixedly connected with the cabinet door. The cabinet door has the beneficial effects that the cabinet door can be fixed at a specific opening and closing angle by screwing the fixed shaft, so that the cabinet door is convenient for an operator to maintain.

Description

Hinge and insulating ring main unit

Technical Field

The utility model belongs to the technical field of ring main units, and particularly relates to a hinge and an insulating ring main unit.

Background

The insulating ring main unit adopts solid insulating material as main insulating medium, i.e. one group of power transmission and distribution equipment is installed inside the nonmetallic insulating main unit or made into electric equipment of assembled interval ring main power supply unit, and its core part adopts load switch and fuse.

The insulating looped netowrk cabinet includes cabinet body and cabinet door, at present mostly uses hinge structure to connect cabinet body and cabinet door, after the cabinet door is opened, hinge structure can provide certain holding power for the cabinet door, avoids it to receive small external force influence and make a round trip to rock, influences operating personnel to maintain the detection to the cabinet body.

However, the hinge structure adopted by the existing insulating ring main unit still has the following disadvantages: often can install electric elements such as ampere meter, voltmeter, display on the cabinet door of insulating looped netowrk cabinet, when operating personnel maintains electric elements on the cabinet door, the holding power that hinge structure provided can't guarantee that the cabinet door is fixed completely, the cabinet door still receives the manpower easily and makes a round trip to rotate, is inconvenient for the going on of operating personnel maintenance work.

Disclosure of Invention

Aiming at the problems that the existing insulating ring main unit cannot fix the cabinet door at a specific opening and closing angle and is inconvenient for operators to maintain electric elements on the cabinet door, the following utility model is provided:

the hinge comprises a hinge support, a rotating shaft is movably connected to the hinge support, a rotating plate is fixedly arranged on the rotating shaft, a first fixing hole and a second fixing hole are respectively formed in the top and the bottom of the rotating shaft, fixed internal threads with the same rotation direction are arranged in the first fixing hole and the second fixing hole, a first positioning head located above the first fixing hole is arranged at the top of the hinge support, a second positioning head located below the second fixing hole is arranged at the bottom of the hinge support, a positioning hole is respectively formed in each of the first positioning head and the second positioning head, a fixing shaft is further arranged in each positioning hole, a fixing external thread matched with the fixing internal thread and a positioning external thread matched with the positioning internal thread are respectively arranged at the end part and the middle of the fixing shaft, and the rotation directions of the fixing external thread and the positioning external thread are the same.

When the hinge is used, the rotating plate is rotated to a specific opening and closing angle, the fixed shafts at the top and the bottom of the hinge support are screwed into the fixed holes, the fixed external threads and the fixed internal threads are matched at the moment, the rotating shaft is blocked by the fixed shaft and cannot rotate no matter which direction the rotating shaft rotates, and the fact that the rotating plate and the hinge support are fixed at the appointed opening and closing angle is achieved.

Further, a limiting gasket fixedly sleeved on the fixed shaft is arranged between the positioning external thread and the fixed external thread, and the radius of the limiting gasket is larger than that of the positioning hole so as to prevent the fixed shaft from being separated from the positioning hole.

Further, limiting gaskets are fixedly arranged at the top and the bottom of the rotating shaft respectively so as to prevent the rotating shaft from being separated from the hinged support.

Further, the hinge support and the rotating plate are provided with connecting holes.

The utility model also provides an insulating ring main unit, which comprises a cabinet body and a cabinet door, wherein the hinge is arranged between the cabinet body and the cabinet door, the hinged support is fixedly connected with the cabinet body through a connecting hole, the rotating plate is fixedly connected with the cabinet door through the connecting hole, and the rotating shaft is fixed by screwing the fixed shaft so as to fix the cabinet door at different opening and closing angles, thereby being convenient for operators to maintain.

Advantageous effects

The hinge is arranged between the cabinet body and the cabinet door of the insulating ring main unit, the rotating shaft can be fixed after the fixed shaft on the hinge is screwed in, and then the rotating plate on the rotating shaft is fixed, and after the rotating plate is fixed, the cabinet door cannot be rotated and opened and closed at will, so that an operator can perform corresponding maintenance work conveniently.

Drawings

FIG. 1 is a schematic perspective view of a hinge according to the present utility model;

FIG. 2 is a schematic view of a hinge of the present utility model;

FIG. 3 is a schematic perspective view of a stationary shaft according to the present utility model;

fig. 4 is a schematic perspective view of an insulating ring main unit in the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 4 at a in the present utility model.

The correspondence between the reference numerals and the component names in the drawings is as follows:

1. a cabinet body; 2. a cabinet door; 3. a hinged support; 4. a rotating shaft; 5. a rotating plate; 6. a fixed shaft; 7. a connection hole; 31. a first positioning head; 32. a second positioning head; 33. positioning holes; 34. fixing the internal thread; 35. positioning an internal thread; 36. a limit gasket; 41. a first fixing hole; 42. a second fixing hole; 43. fixing the external thread; 44. positioning an external thread; 45. and a limiting gasket.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in the following examples.

It will be apparent that the described embodiments are merely some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

In addition to the above terms may be used to denote orientation or positional relationships, other meanings may be used, such as the term "upper" may also be used in some cases to denote some sort of attachment or connection. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1-3, a hinge comprises a hinged support 3, a rotating shaft 4 and a rotating plate 5, wherein the rotating shaft 4 is movably inserted into the hinged support 3, the rotating plate 5 is provided with two rotating plates which are vertically and fixedly arranged on the rotating shaft 4, the hinged support 3 and the rotating plate 5 are provided with connecting holes 7, and the rotating plate 5 rotates, and then the rotating shaft 4 rotates together. The top and the bottom of the rotating shaft 4 are respectively provided with a first fixing hole 41 and a second fixing hole 42, and the first fixing hole 41 and the second fixing hole 42 are internally provided with fixing internal threads 34 with the same rotation direction, wherein the rotation direction refers to the rotation direction of the threads when facing the inside of the fixing holes; the top of the hinged support 3 is provided with a first positioning head 31 positioned above a first fixing hole 41, the bottom of the hinged support 3 is provided with a second positioning head 32 positioned below a second fixing hole 42, the first positioning head 31 and the second positioning head 32 are respectively provided with a positioning hole 33 with the same radius as the fixing holes, and the positioning holes 3 are internally provided with a fixed shaft 6; the positioning hole 33 is internally provided with a positioning internal thread 35 which has the same rotation direction as the fixing internal thread 34, the middle part of the fixed shaft 6 is provided with a positioning external thread 44 which is matched with the positioning internal thread 35, namely, the fixed shaft 6 is screwed into the positioning hole 3, and the end part of the fixed shaft 6 is provided with a fixing external thread 43 which is matched with the fixing internal thread 34.

In this embodiment, the fixing internal thread 34, the fixing external thread 43, the positioning internal thread 35, and the positioning external thread 44 are all in a right-handed direction, and may be in a left-handed direction according to actual needs. In the initial state, the fixed shafts 6 at the top and the bottom of the rotating shaft 4 are screwed into the positioning holes 33 and are not contacted with the first fixing holes 41 and the second fixing holes 42, after the hinge is opened and closed to a required angle, the fixed shafts 6 are moved and screwed into the two fixing holes until the hinge is completely screwed into the two fixing holes, at the moment, the fixed shafts 6 are simultaneously connected with the positioning holes 33 and the fixing holes Xiang Si, and the threads arranged on the two fixed shafts 6 are in the same rotation direction and are arranged in mirror symmetry in the vertical direction, so that the unscrewing directions of the two fixed shafts 6 are just opposite, no matter the rotating shaft 4 is rotated clockwise or anticlockwise, the rotating shaft 4 cannot be rotated, the rotating plate 5 and the hinge seat 3 are fixed at a specific opening and closing angle, and the fixed shafts 6 are screwed out of the fixing holes when the rotating shaft 4 is required to be rotated.

A limiting washer 36 fixedly sleeved on the fixed shaft 6 is further arranged between the positioning external thread 44 and the fixing external thread 43, wherein the radius of the limiting washer 36 is larger than that of the positioning hole 33, and after the fixed shaft 6 is arranged in the positioning hole 33, the limiting washer 36 is positioned at the inner side of the positioning hole 33, so that the fixed shaft 6 cannot be separated from the positioning hole 33.

In this embodiment, the top and bottom of the rotating shaft 4 are further fixedly provided with limiting gaskets 45 to prevent the rotating shaft 4 from being separated from the hinge support 3.

As shown in fig. 4-5, an insulating ring main unit comprises a main unit body 1 and a cabinet door 2, wherein the hinge is arranged between the main unit body 1 and the cabinet door 2, the hinged support 3 is fixedly connected with the main unit body 1 through a connecting hole 7, the rotating plate 5 is fixedly connected with the cabinet door 2 through the connecting hole 7, after the cabinet door 2 is opened and closed, the rotating shaft 4 is fixed after the fixed shaft 6 screwed on the top and the bottom of the hinged support 3, the cabinet door 2 is fixed at a specific opening and closing angle, and an operator can maintain electrical elements on the cabinet door 2 conveniently.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (5)

1. The utility model provides a hinge, includes hinged support (3), swing joint has pivot (4) on hinged support (3), be equipped with rotor plate (5), its characterized in that on pivot (4): the utility model discloses a fixed screw thread (35) that pivot (4) top and bottom are equipped with first fixed orifices (41) and second fixed orifices (42) respectively, be equipped with fixed internal thread (34) with the direction of revolving in first fixed orifices (41) and second fixed orifices (42), hinge seat (3) top is equipped with first location head (31) that are located first fixed orifices (41) top, hinge seat (3) bottom is equipped with second location head (32) that are located second fixed orifices (42) below, respectively be equipped with a locating hole (33) on first location head (31) and second location head (32), be equipped with in locating hole (33) with fixed internal thread (34) to the same location internal thread (35), still be equipped with fixed axle (6) in locating hole (33), fixed external thread (43) and location external thread (44) that are equipped with respectively with fixed internal thread (34) to the same location external thread (44) in tip and the middle part of fixed axle (6), location external thread (43) match with fixed internal thread (35).

2. The hinge according to claim 1, wherein: a limiting gasket (36) fixedly sleeved on the fixed shaft (6) is arranged between the positioning external thread (44) and the fixed external thread (43), and the radius of the limiting gasket (36) is larger than that of the positioning hole (33).

3. The hinge according to claim 1, wherein: limiting gaskets (45) are fixedly arranged at the top and the bottom of the rotating shaft (4) respectively.

4. The hinge according to claim 1, wherein: the hinge support (3) and the rotating plate (5) are provided with connecting holes (7).

5. The utility model provides an insulating looped netowrk cabinet, includes cabinet body (1) and cabinet door (2), its characterized in that: the hinge as claimed in any one of claims 1 to 4 is arranged between the cabinet body (1) and the cabinet door (2), the hinged support (3) is fixedly connected with the cabinet body (1), and the rotating plate (5) is fixedly connected with the cabinet door (2).