CN214428536U

CN214428536U - Earthing switch operating shaft with simple structure

Info

Publication number: CN214428536U
Application number: CN202120247871.9U
Authority: CN
Inventors: 李运良; 张建珍
Original assignee: Hangzhou Shijiang Yin Electric Complete Set Co ltd
Current assignee: Hangzhou Shijiang Yin Electric Complete Set Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-10-19
Anticipated expiration: 2031-01-28

Abstract

The utility model discloses a simple structure's earthing switch operating axis. The problems of more parts of an operating shaft of the grounding switch, complex structure of the parts, inconvenience in mounting and dismounting, high manufacturing difficulty and high cost in the prior art are solved. The structure includes the operating axis, and the operating axis front end passes through stop gear and connects on the cabinet body, and the stop gear front portion is provided with operation protection mechanism, and stop gear is including fixing the supporting seat on the cabinet body, and the operating axis front end passes the supporting seat and rotates with the supporting seat and link to each other, is fixed with the limiting plate on the operating axis front end, and the limiting plate includes bellied spacing head, sets up its pivoted spacing post of restriction on the supporting seat on spacing head pivoted route on the surface. The utility model discloses a supporting seat, limiting plate have constituted the stop gear of earthing switch operating axis, and required spare part is few, compares prior art and need not to set up a plurality of interlocking pieces, and supporting seat, limiting plate simple structure make simply reduce cost, and it is more convenient to install.

Description

Earthing switch operating shaft with simple structure

Technical Field

The utility model belongs to the technical field of the switchgear technique and specifically relates to a simple structure's earthing switch operation axle is related to.

Background

In armored high-voltage equipment, a grounding switch operating shaft in five-prevention interlocking is arranged in an armored metal-enclosed switch cabinet, the function of the grounding switch operating shaft is very important, the grounding switch operating shaft in the five-prevention interlocking of the existing KYN28-12 series armored metal switch equipment is arranged on the right side of the switch cabinet, the existing grounding switch operating shaft has a plurality of parts, the parts are complex in structure, inconvenient to install and disassemble, high in manufacturing difficulty and high in cost, and due to the fact that the parts have different use functions and different installation angles, the phenomenon of wrong installation and missing installation is not easy to occur very easily, and the assembly and disassembly must be completed in the cabinet, so that great inconvenience is brought to installation and maintenance personnel.

Disclosure of Invention

The utility model discloses it is many mainly to solve earthing switch operation axle spare parts among the prior art, and spare part structure is complicated, and the installation is dismantled inconveniently, and the preparation degree of difficulty is high, problem with high costs provides an earthing switch operation axle construction.

The above technical problem of the present invention can be solved by the following technical solutions: the utility model provides a simple structure's earthing switch operating axis, includes the operating axis, and the operating axis front end passes through stop gear and connects on the cabinet body, and the stop gear front portion is provided with operation protection mechanism, and stop gear is including fixing the supporting seat on the cabinet body, and the operating axis front end passes the supporting seat and rotates with the supporting seat and link to each other, is fixed with the limiting plate on the operating axis front end, and the limiting plate includes bellied spacing head, sets up its pivoted spacing post of restriction on the supporting seat is surperficial on spacing head pivoted route. The utility model discloses in adopt the supporting seat, the limiting plate has just constituted the stop gear of earthing switch operating axis, the supporting seat sets up two spacing posts on the surface, the limiting plate sets up a spacing head, the limiting plate rotates along with the operating axis, two spacing posts are located two positions on spacing head rotation route respectively, constitute spacing head pivoted spacing region between two spacing posts, spacing head can only rotate in this spacing region, rotate to the spacing post department of one end when spacing head, rotate and target in place, earthing switch is in the on or off state, rotate towards another direction equally, spacing head rotates to the spacing post department of two one ends, earthing switch is in and closes or the on-state. The invention needs less parts, does not need to be provided with a plurality of interlocking pieces compared with the prior art, and has the advantages of simple structure of the supporting seat and the limiting plate, simple manufacture, cost reduction and more convenient installation.

As a preferable scheme, the supporting seat comprises a connecting through hole arranged at the center, two limiting columns are arranged on the surface of the supporting seat along the circumference by taking the connecting through hole as the center, and a circumferential path between the two limiting columns forms a limiting head rotating area. Supporting seat is used for supporting the operating axis in this scheme, and the both sides of supporting seat are provided with the connecting hole respectively, and the supporting seat both sides meet with the cabinet body, twists the connecting hole through the bolt, fixes the supporting seat on the cabinet body. The front end of the operating shaft is inserted into the connecting through hole, penetrates out of the connecting through hole, and the penetrating part is used for being connected with the limiting plate. Two limiting columns are arranged on the surface, opposite to the limiting plate, of the supporting seat, and the two limiting columns are located on a rotating path of the limiting head of the limiting plate to limit rotation of the operating shaft. This scheme plays limiting displacement's supporting seat and just sets up two spacing posts on the body, compares among the prior art supporting seat's structure simpler, and the preparation is more convenient, the cost is reduced.

As a preferred scheme, the limiting plate comprises a fixing sleeve, the side face of the fixing sleeve protrudes to form the limiting head, two sides of the limiting head are respectively provided with a buckle head, the fixing sleeve is fixedly connected to the front end of the operating shaft, and the limiting head is located in a rotating area between two limiting columns. The fixed cover of this scheme is circular form, is provided with the fixed orifices at fixed cover center, and this fixed orifices shape is unanimous with operation axle front end shape, and operation axle front end divide into the hexagon cylinder in this scheme, and the fixed orifices is assorted hexagonal hole, and fixed cover embolias on the operation axle front end and is close to the supporting seat surface, and the spacing head is located rotates the region, rotates and receives the restriction of two spacing posts. The two sides of the limiting head are respectively provided with a buckle head, and when the operating shaft rotates to the opening or closing position, the buckle heads are abutted against the limiting column.

As an optimal scheme, a limiting pressure plate is arranged on the limiting plate, a through hole is formed in the limiting pressure plate, the limiting pressure plate is sleeved at the front end of the operating shaft through the through hole and located at the front portion of the limiting plate, one end of the limiting pressure plate is connected with a connecting seat, and the connecting seat is fixed on the cabinet body. Spacing clamp plate embolias the operating axis front end and supports on the limiting plate in this scheme, plays limiting displacement to the limiting plate, prevents that the limiting plate from moving on the operating axis, and the connecting seat is connected in one side of spacing clamp plate, and the connecting seat passes through the bolt regulation on the cabinet body.

As a preferred scheme, operation protection mechanism includes the operation slide, and sliding connection is on the cabinet body about the operation slide, and the operation slide upper end links to each other with the cabinet body through the extension spring, and the operation hole has been seted up on the operation slide surface spacing overhead is formed with the linkage head towards the operation slide direction arch, is provided with spacing curved edge on an operation slide side, spacing curved edge is located linkage head rotation path, and when spacing first butt was on the spacing post of operating axis branch state, the linkage head butt was on spacing curved edge, and the operation hole is just to the operating axis front end. Operation protection mechanism shelters from when earthing switch is in the branch state in this scheme, prevents the maloperation. When earthing switch is in the closure state, the limiting plate rotated this moment, and spacing head supports on the spacing post of lower part, and the linkage head then pushes down on spacing bent edge, and spacing bent edge keeps the downward slip state by limiting displacement board limiting displacement, and the operating hole aligns the operating axis front end to in the user operates. The upper end of the operation sliding plate is connected with a tension spring to keep an upward pulling state, and the limiting bent edge of the operation sliding plate is positioned at the position flush with the lower edge of the operation hole. The spacing head of limiting plate rotates until supporting at the spacing post in upper portion, and earthing switch is in the detached state, operates slide upward movement under the extension spring effect, and until spacing bent edge butt on the linkage head, the handle hole also shifts up at this in-process, staggers the operating axis front end, and the operating slide forms the sheltering from to the operating axis voluntarily, prevents to carry out maloperation under the electrified condition. The limiting head is rotated until the limiting head abuts against the lower limiting column, the grounding switch is in a combined state, the linkage head rotates together in the downward rotating process of the limiting head, the linkage head pushes the limiting bent edge to move downwards to drive the operation sliding plate to move downwards, and the operation hole moves to the front of the operation shaft.

As a preferred scheme, the operation slide board comprises a panel and side plates connected to two sides of the face, an upper sliding groove and a lower sliding groove are respectively formed in the upper side and the lower side of the panel along the vertical direction, guide blocks are respectively embedded in the upper sliding groove and the lower sliding groove and are fixed on the cabinet body, clamping edges are arranged on two sides of each guide block, and the clamping edges are clamped on the bottom face of the panel of the operation slide board. Operation slide sliding connection is on the cabinet body in this scheme, is provided with spout and lower spout respectively along the axis at the operation slide panel, goes up the spout and is located the operation slide upside, goes up the spout lower extreme and communicates with the handle hole, and the lower spout is located the operation slide downside, and lower spout lower extreme opening is on the lower part edge of operation slide panel, can peg graft on two guide blocks from top to bottom during the operation slide installation, has made things convenient for the installation of operation slide. The guide block is rectangular shape, and the width is unanimous with last spout, lower spout width, and the guide block both sides are provided with the card edge, and the guide block embedding is in the spout, and the card edge then blocks on spout both sides operation slide bottom surface, plays limiting displacement to the operation slide.

As a preferred scheme, the upper portion of the side plate on one side of the operation sliding plate is bent to form a connecting plate, a connecting strip is fixedly arranged on the connecting plate, the upper end of the connecting strip is connected with the lower end of a tension spring, the upper end of the tension spring is fixed on a cabinet body, a guide groove is formed in the connecting strip, a guide rod is arranged on the cabinet body, and the guide rod penetrates into the guide groove. In the scheme, the tension spring is connected to the upper part of the operation sliding plate through the connecting strip, and the connecting strip plays a role in moving and guiding through the guide groove and the guide rod. The tension spring pulls the operation sliding plate through the connecting strip.

As a preferable scheme, the lower part of the side plate of the operation sliding plate near the linkage head extends to form an extension plate, the upper end of the extension plate is turned outwards to form the limiting bent edge, and a reinforcing rib is arranged between the bottom surface of the limiting bent edge and the side surface of the operation sliding plate. One side curb plate lower part is formed with the extension board towards inside extension in this scheme, and the upper end of extension board is turned over to the outside level and is rolled over the formation border of buckling, sets up the strengthening rib on the border of buckling, strengthens the intensity at the border of buckling.

Preferably, a handle is connected to the lower edge of the operation hole. The handle is arranged to facilitate the user to pull the operating skateboard.

Therefore, the utility model has the advantages that:

1. adopt supporting seat, limiting plate to constitute the stop gear of earthing switch operating axis, required spare part is few, compares prior art and need not to set up a plurality of interlocking pieces, and supporting seat, limiting plate simple structure make simply reduce cost, and it is more convenient to install.

2. The operation protection mechanism automatically shields the grounding switch when the grounding switch is in a separated state, so that misoperation is prevented.

Drawings

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

FIG. 2 is a schematic structural view of the support base of the present invention;

fig. 3 is a schematic structural diagram of a limiting plate of the present invention;

fig. 4 is a schematic structural diagram of the middle guide block of the present invention.

1-operating shaft 2-supporting seat 3-limiting plate 4-limiting head 5-limiting column 6-connecting through hole 7-fixing sleeve 8-buckle 9-operating sliding plate 10-tension spring 11-operating hole 12-linkage head 13-limiting bent edge 14-upper sliding groove 15-lower sliding groove 16-reinforcing rib 17-guide block 18-clamping edge 19-connecting plate 20-connecting strip 21-tension spring 22-guide groove 23-extension plate 24-handle 25-limiting pressing plate 26-perforation.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b):

the earthing switch operating shaft with a simple structure is shown in fig. 1 and comprises an operating shaft 1, the rear end of the operating shaft is connected to the cabinet body through a fixing mechanism, the front end of the operating shaft is connected to the cabinet body through a limiting mechanism, and an operation protection mechanism for preventing misoperation is arranged on the front portion of the limiting mechanism.

Stop gear is including fixing the supporting seat 2 on the cabinet body, and 1 front end of operating axis passes the supporting seat and rotates with the supporting seat and link to each other, is fixed with limiting plate 3 on the operating axis front end, and the limiting plate includes bellied spacing head 4, sets up its pivoted spacing post 5 of restriction on the supporting seat is surperficial on spacing head pivoted route.

As shown in fig. 2, the supporting seat is a square structure, the supporting seat includes a connecting through hole 6 arranged at the center, two limiting posts 5 are arranged on the surface of the supporting seat along the circumference with the connecting through hole as the center, one limiting post is located at the upper part, the other limiting post is located at the lower part, and a circumferential path between the two limiting posts forms a limiting head rotating area. Two connecting holes are respectively formed in the two sides of the supporting seat, the two sides of the supporting seat are in contact with the cabinet body, and the supporting seat is fixed on the cabinet body by screwing the connecting holes through bolts. As shown in fig. 3, the limiting plate 3 includes a circular fixing sleeve 7, a fitting hole is formed in the center of the fixing sleeve, the front end of the operating shaft is a hexagonal cylinder, and the fitting hole is a corresponding hexagonal hole. The side surface of the fixing sleeve is convexly provided with a limiting head 4, the fixing sleeve is sleeved on the front end of the operating shaft and is close to the surface of the supporting seat, and the limiting head is positioned in the rotating area and is limited by two limiting columns in rotation. The two sides of the limiting head are respectively provided with a buckle head 12, and when the operating shaft rotates to the opening or closing position, the buckle heads are abutted against the limiting column. The limiting plate is provided with a limiting pressure plate 25, a through hole 26 is formed in the limiting pressure plate, the limiting pressure plate is sleeved at the front end of the operating shaft 1 through the through hole and located in the front portion of the limiting plate, one end of the limiting pressure plate is connected with a connecting seat, and the connecting seat is fixed on the cabinet body.

Be provided with operation protection mechanism in the operating axis front portion, operation protection mechanism includes operation slide 9, and sliding connection is on the cabinet body about the operation slide, and the operation slide includes the curb plate of both sides bending type, and wherein one side curb plate upper portion inwards buckles and is formed with connecting plate 19, fixed connection strip 20 on the connecting plate, and the connecting strip upper end is connected with extension spring 21 lower extreme, and the extension spring upper end is fixed on the cabinet body, is provided with guide way 22 on the connecting strip, is provided with the guide bar on the cabinet body, and the guide bar penetrates in the guide way. The surface of the operation sliding plate is provided with an operation hole 11, as shown in fig. 3, the upper part of the limit head 4 is convexly provided with a linkage head 12 towards the direction of the operation sliding plate, the lower part of one side surface of the operation sliding plate is provided with an extension plate 23 extending towards the direction of the operation shaft, the outer side of the upper end of the extension plate is bent to form a limit bent edge 13, and a reinforcing rib 16 is arranged between the bottom surface of the limit bent edge and the side surface of the operation sliding plate for higher strength of the limit bent edge. The limiting bent edge is positioned on a rotating path of the linkage head, when the limiting head abuts against the limiting column in the operating shaft state, the linkage head abuts against the limiting bent edge, and the operating hole is opposite to the front end of the operating shaft. The upper side and the lower side of the surface of the operation sliding plate 9 are respectively provided with an upper sliding chute 14 and a lower sliding chute 15 along the vertical direction, the lower end of the upper sliding chute is communicated with the operation hole, and the lower end of the lower sliding chute is opened on the edge of the lower part of the operation sliding plate. The upper chute and the lower chute are respectively embedded with a guide block 16, as shown in fig. 4, the guide block is provided with a fixing hole, the guide block is fixed on the cabinet body through a bolt, the two sides of the guide block are provided with clamping edges 18, and the clamping edges are clamped on the bottom surface of the operation sliding plate after the guide block is embedded into the chute. When the operation slide plate is installed, the upper sliding groove and the lower sliding groove are respectively inserted into the two guide blocks from top to bottom, and the installation is convenient. During the operation, rotate the spacing head of limiting plate until supporting at the spacing post in upper portion, earthing switch is in the detached state, operates slide rebound under the extension spring effect, and until spacing bend butt on the linkage is overhead, the handle hole also shifts up at this in-process, staggers the operating axis front end, and the operating slide is automatic to the operating axis formation shelter from, prevents to carry out the maloperation. The limiting head is rotated until the limiting head abuts against the lower limiting column, the grounding switch is in a combined state, the linkage head rotates together in the downward rotating process of the limiting head, the linkage head pushes the limiting bent edge to move downwards to drive the operation sliding plate to move downwards, and the operation hole moves to the front of the operation shaft.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms operating shaft, support, limit plate, limit head, limit post, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a simple structure's earthing switch operating axis, includes the operating axis, its characterized in that: the operating shaft front end passes through stop gear and connects on the cabinet body, and the stop gear front portion is provided with operation protection mechanism, and stop gear is including fixing supporting seat (2) on the cabinet body, and operating shaft (1) front end passes the supporting seat and rotates with the supporting seat and link to each other, is fixed with limiting plate (3) on the operating shaft front end, and the limiting plate includes bellied spacing head (4), sets up its pivoted spacing post (5) of restriction on the supporting seat on spacing head pivoted route on the surface.

2. A earthing switch operating shaft of simple structure as claimed in claim 1, wherein said support base (2) includes a centrally disposed connecting through-hole (6), and two of said limit posts (5) are circumferentially disposed on the support base surface about the connecting through-hole, the circumferential path between the two limit posts forming a limit head rotation area.

3. The earthing switch operating shaft of claim 2, wherein the limiting plate (3) comprises a fixing sleeve (7), the side surface of the fixing sleeve protrudes to form the limiting head (4), two sides of the limiting head are respectively provided with a fastening head (8), the fixing sleeve is fixedly connected to the front end of the operating shaft (1), and the limiting head is located in a rotating area between two limiting columns.

4. The earthing switch operating shaft with simple structure as claimed in claim 3, wherein the limiting plate (3) is provided with a limiting pressure plate (25), the limiting pressure plate is provided with a through hole (26), the limiting pressure plate is sleeved at the front end of the operating shaft (1) through the through hole and is positioned at the front part of the limiting plate, one end of the limiting pressure plate is connected with a connecting seat, and the connecting seat is fixed on the cabinet body.

5. The earthing switch operating shaft of claim 3, characterized in that the operation protection mechanism comprises an operation sliding plate (9), the operation sliding plate is connected to the cabinet body in a vertical sliding manner, the upper end of the operation sliding plate is connected with the cabinet body through a tension spring (10), an operating hole (11) is formed in the surface of the operation sliding plate, a linkage head (12) is formed on the upper portion of the limiting head (4) in a protruding manner towards the direction of the operation sliding plate, a limiting bent edge (13) is arranged on one side surface of the operation sliding plate, the limiting bent edge is located on a rotating path of the linkage head, when the limiting head abuts against a limiting column in an operation shaft state, the linkage head abuts against the limiting bent edge, and the operating hole is opposite to the front end of the operating shaft.

6. The earthing switch operating shaft with simple structure as claimed in claim 5, wherein the operating slide plate (9) comprises a panel and side plates connected to two sides of the panel, the upper and lower sides of the panel are respectively provided with an upper sliding groove (14) and a lower sliding groove (15) along the vertical direction, guide blocks (17) are respectively embedded in the upper sliding groove and the lower sliding groove, the guide blocks are fixed on the cabinet body, and clamping edges (18) are arranged on two sides of the guide blocks and clamped on the bottom surface of the panel of the operating slide plate.

7. The earthing switch operating shaft with simple structure as claimed in claim 6, wherein the operating slide plate (9) is formed by bending a connecting plate (19) on one side of the side plate, a connecting strip (20) is fixed on the connecting plate, the upper end of the connecting strip is connected with the lower end of the tension spring (10), the upper end of the tension spring is fixed on the cabinet body, a guide groove (22) is arranged on the connecting strip, and a guide rod is arranged on the cabinet body and penetrates into the guide groove.

8. The earthing switch operating shaft of claim 6 or 7, wherein the operating slide plate (9) is formed with an extension plate (23) extending from the lower portion of the side plate near the linkage head, the upper end of the extension plate is turned outwards to form the limiting bent edge (13), and a reinforcing rib (16) is arranged between the bottom surface of the limiting bent edge and the side surface of the operating slide plate.

9. A grounding switch operating shaft of simple structure as claimed in claim 5, wherein a handle (24) is connected to the lower edge of the operating hole (11).