CN214410891U - Flange for lightning arrester - Google Patents

Abstract

The utility model relates to the technical field of power transmission line connecting pieces, in particular to a flange for a lightning arrester, which comprises a flange disc body and a thread bush arranged on the flange disc body, wherein a through hole communicated with the outside is arranged at the central position of the flange disc body, a ring groove is arranged on the hole wall of the through hole close to the top end of the through hole, and two mutually opposite positioning lugs are arranged on the groove wall of the ring groove; the threaded sleeve is internally provided with a first threaded hole arranged along the height direction of the threaded sleeve, the bottom barrel of the threaded sleeve is provided with a fixing ring, the fixing ring is provided with a positioning groove at the position opposite to the positioning lug, and the fixing ring is fixedly connected with the bottom wall of the annular groove through a plurality of fastening screws which are arranged in an annular and equidistant manner. The utility model discloses easy to assemble and dismantlement, and can the exclusive use after dismantling, offer convenience for the user.

Description

Flange for lightning arrester

Technical Field

The utility model relates to an electric power transmission line connecting piece technical field, specifically speaking relates to a flange for arrester.

Background

The screw thread connection is also called as threaded connection, and the arrester is a common device with the lightning protection effect, when carrying out electric power transmission line and laying, still can install corresponding arrester generally, and install corresponding screw thread connection type flange on the arrester generally, but conventional screw thread connection type flange is when using, can not dismantle between the flange disk body and the screw sleeve on it, under some circumstances, when connecting the installation, can bring inconvenience for the installer because the flange disk body can not dismantle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flange for arrester to solve the defect that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a flange for a lightning arrester comprises a flange disc body and a thread sleeve arranged on the flange disc body, wherein a through hole communicated with the outside is arranged at the central position of the flange disc body, an annular groove is arranged on the hole wall of the through hole close to the top end of the through hole, the annular groove and the through hole are arranged concentrically, and two positioning convex blocks which are opposite to each other are arranged on the groove wall of the annular groove; the thread bush is internally provided with a first threaded hole arranged along the height direction of the thread bush, a fixing ring is arranged on a barrel body at the bottom end of the thread bush and is positioned in the annular groove and matched with the annular groove in an inserting manner, the fixing ring is just opposite to a positioning lug, a positioning groove is arranged at the position of the positioning lug, the positioning lug is positioned in the positioning groove and matched with the positioning groove in an inserting manner, and the fixing ring is fixedly connected with the bottom wall of the annular groove through a plurality of fastening screws which are arranged in an annular equidistant manner.

Preferably, the size of the fixing ring is matched with the size of the annular groove, and the size of the positioning lug is matched with the size of the positioning groove, so that the fixing ring can be stably installed in the annular groove.

Preferably, the flange plate body is further internally provided with a plurality of positioning and mounting holes which are annularly arranged at equal intervals and communicated with the outside, so that the flange plate body is conveniently and fixedly connected with an external flange plate.

Preferably, the annular side surface of the flange plate body is further provided with two handles which are symmetrical about the axial line of the flange plate body, and the cross section of each handle is U-shaped, so that the handles can be conveniently held to mount the flange plate body.

Preferably, the same positions in the fixed ring and the bottom wall of the annular groove are provided with second threaded holes communicated with the outside, and the fastening screws penetrate through the second threaded holes and are in threaded connection with the second threaded holes, so that the fixed ring can be stably and fixedly installed on the groove wall of the annular groove.

Preferably, still be provided with the hexagonal recess on the bottom pore wall that is located the second screw hole in the ring channel diapire, it has hexagon nut still to go back threaded connection on the fastening screw, hexagon nut is located in the hexagonal recess and with the cooperation of pegging graft between the hexagonal recess, its structure is more firm when further guaranteeing that fastening screw will fix solid fixed ring.

Preferably, the cross sections of the hexagonal groove and the hexagonal nut are hexagonal, so that the hexagonal nut cannot rotate in the hexagonal groove.

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

1. the utility model discloses an use fastening screw fixed connection between the flange disk body that sets up and the thread bush, the convenience is installed and is dismantled flange disk body and thread bush, do benefit to user's selection and use flange disk body or solid fixed ring, facilitate for the user, the screw thread connection type flange of having solved conventionality when using, can not dismantle between the flange disk body and the thread bush on it, under certain circumstances, when connecting the installation, can be because the flange disk body can not dismantle and bring inconvenient problem for the installer.

2. The utility model discloses a grafting cooperation between the location lug that sets up and the constant head tank is convenient for fix a position the installation to solid fixed ring, also guarantees simultaneously that the position of the second screw hole on second screw hole in the fixed ring and the ring channel diapire corresponds to guarantee to use fastening screw to fix the fixed more firm of fixed ring.

Drawings

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

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;

fig. 4 is a bottom view of the flange plate body of the present invention;

fig. 5 is an enlarged view of the point B in fig. 4 according to the present invention.

In the figure: 1. a flange plate body; 10. a through hole; 11. an annular groove; 12. positioning the bump; 13. positioning the mounting hole; 14. a handle; 15. a hexagonal groove; 2. a threaded sleeve; 20. a first threaded hole; 21. a fixing ring; 211. positioning a groove; 3. a second threaded hole; 4. fastening screws; 40. a hexagonal nut.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-5, the present invention provides a technical solution:

a flange for a lightning arrester comprises a flange disc body 1 and a thread bush 2 arranged on the flange disc body 1, wherein a through hole 10 communicated with the outside is arranged at the central position of the flange disc body 1, an annular groove 11 is arranged on the hole wall of the through hole 10 close to the top end of the through hole, the annular groove 11 and the through hole 10 are concentrically arranged, two positioning convex blocks 12 opposite to each other are arranged on the groove wall of the annular groove 11, and the positioning convex blocks 12 and the flange disc body 1 are of an integrally formed structure, so that the structure is more firm and is not easy to damage; a first threaded hole 20 is formed in the threaded sleeve 2 along the height direction of the threaded sleeve 2, so that the threaded sleeve 2 can be connected with an external pipeline and the like in a threaded manner when in use;

specifically, a fixing ring 21 is integrally formed on a barrel body at the bottom end of the threaded sleeve 2, the fixing ring 21 is located in the annular groove 11 and is in insertion fit with the annular groove 11, a positioning groove 211 is integrally formed in the position, opposite to the positioning bump 12, of the fixing ring 21, the positioning bump 12 is located in the positioning groove 211 and is in insertion fit with the positioning groove 211, and the fixing ring 21 is conveniently inserted into the annular groove 11 for positioning and installation; through a plurality of fastening screws 4 fixed connection that are cyclic annular equidistant range between the diapire of solid fixed ring 21 and ring channel 11, the same position department all is provided with the second screw hole 3 that is linked together with the external world in solid fixed ring 21 and the diapire of ring channel 11, fastening screws 4 pass second screw hole 3 and with second screw hole 3 between threaded connection, the fixed mounting that the solid fixed ring 21 can be stable is guaranteed on the cell wall of ring channel 11.

In this embodiment, the size of the fixing ring 21 is matched with the size of the annular groove 11, and the size of the positioning bump 12 is matched with the size of the positioning groove 211, so that the fixing ring 21 can be stably installed in the annular groove 11.

Specifically, still be equipped with a plurality of annular equidistant range and with external location mounting hole 13 that is linked together in the flange disk body 1, be convenient for carry out fixed connection with flange disk body 1 and external ring flange using fastening bolt.

Furthermore, the annular side surface of the flange plate body 1 is also integrally formed with two handles 14 which are symmetrical with respect to the axis of the flange plate body 1, and the cross section of each handle 14 is U-shaped, so that the handles 14 can be conveniently held to mount the flange plate body 1, and the flange plate body 1 can be more firmly held.

In addition, a hexagonal groove 15 is further formed in the bottom hole wall of the second threaded hole 3 in the bottom wall of the annular groove 11, a hexagonal nut 40 is further in threaded connection with the fastening screw 4, the hexagonal nut 40 is located in the hexagonal groove 15 and is in insertion fit with the hexagonal groove 15, the structure of the fastening screw 4 is further ensured to be firmer when the fastening screw 4 fixes the fixing ring 21, and the fastening screw 4 is ensured not to be loosened easily when in use; the cross-sections of hexagonal groove 15 and hexagonal nut 40 all are the hexagon, and the size of hexagonal nut 40 and the size looks adaptation of hexagonal groove 15 guarantee that hexagonal nut 40 can not take place the pivoted condition in hexagonal groove 15.

When the flange for the lightning arrester is used, the threaded sleeve 2 and the fixed ring 21 can be directly used, when the fixing ring is installed, the fixing ring 21 and the ring body corresponding to the outside are fixed by fastening screws, when the flange disc body 1 needs to be matched for use, the fixing ring 21 is inserted into the annular groove 11, the positioning lug 12 is ensured to be inserted into the positioning groove 211, the hexagonal nut 40 is placed into the hexagonal groove 15, the fastening screw 4 is screwed into the second threaded hole 3 and the hexagonal nut 40 in the flange disc body 1 from the second threaded hole 3 in the fixing ring 21, the fixing ring 21 is fixed, which solves the problems that when the conventional screw thread connection type flange is used, the flange disc body and the threaded sleeve cannot be detached, and in some cases, when the flange disc body is connected and installed, inconvenience is brought to installation personnel due to the fact that the flange disc body cannot be detached.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a flange for arrester which characterized in that: the flange disc comprises a flange disc body (1) and a thread sleeve (2) arranged on the flange disc body (1), wherein a through hole (10) communicated with the outside is formed in the center of the flange disc body (1), an annular groove (11) is formed in the hole wall, close to the top end of the through hole (10), the annular groove (11) and the through hole (10) are concentrically arranged, and two positioning convex blocks (12) which are opposite to each other are arranged on the groove wall of the annular groove (11); be provided with in thread bush (2) along first screw hole (20) that thread bush (2) direction of height set up, be provided with solid fixed ring (21) on the bottom barrel of thread bush (2), gu fixed ring (21) is located in ring channel (11) and with peg graft the cooperation between ring channel (11), gu fixed ring (21) is gone up just right the position department of location lug (12) is provided with constant head tank (211), location lug (12) are located in constant head tank (211) and with peg graft the cooperation between constant head tank (211), gu fixed ring (21) with fastening screw (4) fixed connection that are cyclic annular equidistant range through a plurality of between the diapire of ring channel (11).

2. A flange for a lightning arrester according to claim 1, characterized in that: the size of the fixing ring (21) is matched with that of the annular groove (11), and the size of the positioning lug (12) is matched with that of the positioning groove (211).

3. A flange for a lightning arrester according to claim 1, characterized in that: the flange plate body (1) is also internally provided with a plurality of positioning and mounting holes (13) which are annularly arranged at equal intervals and communicated with the outside.

4. A flange for a lightning arrester according to claim 1, characterized in that: the annular side surface of the flange plate body (1) is also provided with two handles (14) which are symmetrical about the axis of the flange plate body (1), and the cross section of each handle (14) is U-shaped.

5. A flange for a lightning arrester according to claim 1, characterized in that: the same positions in the fixing ring (21) and the bottom wall of the annular groove (11) are provided with second threaded holes (3) communicated with the outside, and the fastening screws (4) penetrate through the second threaded holes (3) and are in threaded connection with the second threaded holes (3).

6. A flange for a lightning arrester according to claim 5, characterized in that: be located still be provided with hexagonal recess (15) on the bottom pore wall of second screw hole (3) in ring channel (11) diapire, it has hexagon nut (40) to go back threaded connection on fastening screw (4), hexagon nut (40) are located in hexagon recess (15) and with the cooperation of pegging graft between hexagon recess (15).

7. The flange for a lightning arrester according to claim 6, characterized in that: the cross sections of the hexagonal groove (15) and the hexagonal nut (40) are both hexagonal.

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