CN210607056U

CN210607056U - Change-over switch with protective device

Info

Publication number: CN210607056U
Application number: CN201921897090.3U
Authority: CN
Inventors: 刘泽生
Original assignee: Shandong Gaiyier Intelligent Electric Co ltd
Current assignee: Shandong Gaiyier Intelligent Electric Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-05-22
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a take protector's change over switch, including supporting seat, protective housing, fixing base and pivot, the periphery of supporting seat is equipped with protection mechanism, one side that protection mechanism was kept away from to the supporting seat is equipped with the protective housing, all there is the fixing base of adaptation in the both sides of protective housing through bolted connection, wherein a set of the fixing base passes through bolt and supporting connection, another group the equal fixed welding in both sides of fixing base has the otic placode of two sets of symmetries, the center of protective housing is equipped with the pivot, the both ends of pivot respectively with the fixed welding of the inner circle of the bearing frame of fixing base center installation, the fixed welding in periphery of pivot has the cam, be equipped with three adjustment mechanism of group between the periphery of cam and the inner periphery of protective housing, the periphery that adjustment. This take protector's change over switch can improve the stability in the use, can improve the security in the use simultaneously.

Description

Change-over switch with protective device

Technical Field

The utility model belongs to the technical field of change over switch, concretely relates to take protector's change over switch.

Background

The change-over switch is a low-voltage switch for switching multiple loops. A plurality of moving contacts are welded on the shaft in an overlapping mode, and when the shaft rotates, the moving contacts are sequentially connected with or disconnected from the fixed contacts, and a circuit is switched. The circuit is changed from one set of connections to another set of connected appliances. There are two types, discrete and integrated. The change-over switch is also called a combination switch, and is a planar operation rotating left and right, unlike the operation of the knife switch. The change-over switch is a switch electric appliance for switching over two or more than two power sources or loads. The change-over switch has the advantages of multiple contacts, multiple positions, small volume, reliable performance, convenient operation, flexible installation and the like, is mainly used for an introduction switch of a power supply in a machine tool electric control circuit, plays a role of isolating the power supply, and can also be used as a control switch for directly controlling the infrequent starting and stopping of a small-capacity asynchronous motor. At the present stage, a change-over switch is needed to be used for switching the circuit in the multi-loop circuit, and the existing change-over switch is single in structure, general in stability in the using process and lack of protection.

Therefore, in order to meet the current situation, a change-over switch with a protection device is urgently needed to be designed and produced so as to meet the requirement of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take protector's change over switch to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a change-over switch with a protective device comprises a supporting seat, a protective shell, a fixed seat and a rotating shaft, wherein a protective mechanism is arranged on the periphery of the supporting seat, four groups of fixed holes distributed in a rectangular array are drilled on the supporting seat, screws connected with an external wall are arranged in the fixed holes, the protective shell is arranged on one side of the supporting seat away from the protective mechanism, the two sides of the protective shell are respectively connected with the adaptive fixed seat through bolts, one group of the fixed seat is connected with the supporting seat through bolts, two groups of symmetrical lug plates are fixedly welded on the two sides of the other group of the fixed seat, the screws connected with the wall are arranged in through holes drilled in the centers of the lug plates, the rotating shaft is arranged in the center of the protective shell, the two ends of the rotating shaft are respectively fixedly welded with the inner ring of a bearing seat installed in, the fixed welding in periphery of pivot has the cam, be equipped with three groups between the periphery of cam and the interior week of protective housing and be the adjustment mechanism that the annular array distributes, the periphery that adjustment mechanism is close to cam one side is equipped with stop gear.

Preferably, protection machanism includes spacing seat and baffle, the cross-section of spacing seat is the U-shaped, the inner week of spacing seat bonds through the periphery of viscose with the supporting seat, the sliding tray has all been seted up to the both sides that spacing seat is close to the supporting seat, one side that spacing seat is close to the handle is equipped with the baffle that the cross-section is L shape, the both sides of baffle lower half all are equipped with the slider with sliding tray sliding connection.

Preferably, the adjusting mechanism comprises a fixed contact, a movable contact and an adjusting column, two ends of the fixed contact penetrate through the protective shell and are provided with wiring ends connected with an external circuit, the movable contact is arranged between the fixed contact and the inner periphery of the protective shell, an adjusting block is arranged between the movable contact and the inner periphery of the protective shell, the adjusting column penetrating through the fixed contact is fixedly welded in the center of the movable contact, one end, far away from the fixed contact, of the adjusting column is joggled with an adjusting groove dug in the center of the adjusting block, and a compression spring matched with the outer periphery of the adjusting column is bonded between the movable contact and the adjusting block through adhesive.

Preferably, stop gear includes spacing post, limiting plate and expanding spring, the bottom of spacing post and the fixed welding in top of adjustment mechanism's static contact, four groups of cross-sections that are the annular array and distribute are arched limiting plate are established to the interior week of spacing post, it has the multiunit to be the expanding spring that the equidistance distributes to bond through the viscose between the side of limiting plate and the interior week of spacing post, four groups be equipped with adjustment mechanism's regulation post between the interior week of limiting plate.

Preferably, one side of the supporting seat close to the handle is bonded with three groups of indicating labels matched with the adjusting columns of the adjusting mechanism through viscose, the side face of the cam is dug to form a clamping groove matched with the adjusting columns of the adjusting mechanism, and the cam forms a roller clamping ratchet structure through the clamping groove and the adjusting columns.

The utility model discloses a technological effect and advantage: the change-over switch with the protection device is in sliding connection with the limiting seat through the baffle, so that the possibility that a worker touches the handle in a non-use state is reduced, and meanwhile, the influence caused by external dust accumulation is reduced, and the safety in the use process is improved; through the action of the restoring force of the compression spring, the shaking of the limiting plate caused by the movement of the adjusting column in the use process is reduced, so that the stability in the use process is improved; through the twist grip, make the pivot rotatory, drive the cam and rotate to restoring force effect through expanding spring makes the draw-in groove on regulation post and the cam be connected, makes the stationary contact and movable contact be connected simultaneously, thereby adjusts the closure and the disconnection of suitable circuit as required, and this take protector's change over switch can improve the stability in the use, can improve the security in the use simultaneously.

Drawings

FIG. 1 is a front view of the baffle of the present invention when open;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic structural view of the protective casing of the present invention;

fig. 4 is a top view of the limiting mechanism of the present invention.

In the figure: the device comprises a supporting seat 1, a protective shell 2, a fixed seat 3, a rotating shaft 4, a protective mechanism 5, an ear plate 6, a handle 7, a cam 8, an adjusting mechanism 9, a limiting mechanism 10, a limiting seat 11, a baffle 12, a static contact 13, a moving contact 14, an adjusting column 15, a compression spring 16, a limiting column 17, a limiting plate 18 and a telescopic spring 19.

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.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a change-over switch with a protective device as shown in figures 1-4, which comprises a supporting seat 1, a protective housing 2, a fixed seat 3 and a rotating shaft 4, wherein the periphery of the supporting seat 1 is provided with a protective mechanism 5, four groups of fixed holes distributed in a rectangular array are drilled on the supporting seat 1, screws connected with an external wall body are arranged in the fixed holes, one side of the supporting seat 1 away from the protective mechanism 5 is provided with the protective housing 2, both sides of the protective housing 2 are connected with the adaptive fixed seat 3 through bolts, one group of the fixed seat 3 is connected with the supporting seat 1 through bolts, the other group of the fixed seat 3 is fixedly welded with two groups of symmetrical lug plates 6 on both sides, the through hole drilled in the center of the lug plate 6 is internally provided with the screws connected with the wall body, the supporting seat 1 and the fixed seat 3 are connected with the external wall body through the screws, the both ends of pivot 4 respectively with the inner circle fixed weld of the bearing frame of 3 central installations of fixing base, the one end of pivot 4 runs through fixing base 3 and installs handle 7 through the bolt, the fixed welding in periphery of pivot 4 has cam 8, be equipped with three groups adjustment mechanism 9 that are the annular array and distribute between the periphery of cam 8 and the interior week of protective housing 2, the periphery that adjustment mechanism 9 is close to cam 8 one side is equipped with stop gear 10.

Specifically, protection machanism 5 includes spacing seat 11 and baffle 12, the cross-section of spacing seat 11 is the U-shaped, the interior week of spacing seat 11 bonds through viscose and supporting seat 1's periphery, the sliding tray has all been seted up to spacing seat 11 both sides that are close to supporting seat 1, one side that spacing seat 11 is close to handle 7 is equipped with baffle 12 that the cross-section is L shape, the both sides of baffle 12 lower half all are equipped with sliding tray sliding connection's slider, through baffle 12 and spacing seat 11 sliding connection, reduce because of staff's touching handle 7 possibility under the non-user state, reduce simultaneously because of the influence that outside dust is piled up and is caused to improve the security in the use.

Specifically, the adjusting mechanism 9 includes a fixed contact 13, a movable contact 14 and an adjusting column 15, the fixed contact 13 and the movable contact 14 can be respectively selected as a JYN type fixed contact and a GC6 type movable contact, both ends of the fixed contact 13 penetrate through the protective shell 2 and are provided with terminals connected with an external circuit, the external circuit is connected with corresponding terminals through wires as required, the movable contact 14 is arranged between the fixed contact 13 and the inner periphery of the protective shell 2, an adjusting block is arranged between the movable contact 14 and the inner periphery of the protective shell 2, the adjusting column 15 penetrating through the fixed contact 13 is fixedly welded at the center of the movable contact 14, one end of the adjusting column 15 far away from the fixed contact 13 is joggled with an adjusting groove dug at the center of the adjusting block, a compression spring 16 matched with the outer periphery of the adjusting column 15 is bonded between the movable contact 14 and the adjusting block through an adhesive, and the handle 7 is rotated, the rotating shaft 4 is rotated to drive the cam 8 to rotate, the adjusting column 15 is connected with the clamping groove on the cam 8 through the restoring force action of the telescopic spring 19, and meanwhile, the fixed contact 13 is connected with the movable contact 14, so that the closing and the opening of a circuit are adjusted as required.

Specifically, stop gear 10 includes spacing post 17, limiting plate 18 and expanding spring 19, the bottom of spacing post 17 and the fixed welding in top of adjustment mechanism 9's static contact 13, four internal week of spacing post 17 are established four cross-sections that are the annular array and distribute and are arched limiting plate 18, it has the multiunit to be the expanding spring 19 that the equidistance distributes to bond through the viscose between the side of limiting plate 18 and the internal week of spacing post 17, four groups be equipped with adjustment mechanism 9's regulation post 15 between the internal week of limiting plate 18, through compression spring 16's restoring force effect, reduce in the use because of the removal of adjusting post 15 to the rocking that limiting plate 18 caused to improve the stability in the use.

Concretely, one side that supporting seat 1 is close to handle 7 bonds through the viscose has three groups and the instruction label of the 15 looks adaptations of adjustment post of adjustment mechanism 9, through the instruction label that bonds, marks corresponding circuit, convenient regulation, the draw-in groove that is equipped with the 15 looks adaptations of adjustment post with adjustment mechanism 9 is dug to the side of cam 8, cam 8 forms gyro wheel card ratchet structure through draw-in groove and adjustment post 15.

Specifically, the change-over switch with the protection device connects the support seat 1 and the fixed seat 3 with an external wall through screws, and connects an external circuit with a corresponding wiring terminal through a lead as required, and can be used after the connection is completed, in the using process, the baffle 12 slides upwards, the handle 7 is rotated as required, the rotating shaft 4 is rotated to drive the cam 8 to rotate, the adjusting column 15 is connected with the clamping groove on the cam 8 through the restoring force action of the expansion spring 19, the fixed contact 13 is connected with the movable contact 14, so that the circuit is adjusted to be closed or disconnected as required, in the adjusting process, the swinging of the limiting plate 18 caused by the movement of the adjusting column 15 in the using process is reduced through the restoring force action of the compression spring 16, the stability in the using process is improved, after the adjustment is completed, the baffle 12 slides downwards and is connected with the limiting seat 11 through the baffle 12 in a sliding way, the possibility that the worker touches the handle 7 in a non-use state is reduced, and meanwhile, the influence caused by accumulation of external dust is reduced, so that the safety in the use process is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a take protector's change over switch, includes supporting seat (1), protective housing (2), fixing base (3) and pivot (4), its characterized in that: the supporting seat is characterized in that a protection mechanism (5) is arranged on the periphery of the supporting seat (1), four groups of fixing holes distributed in a rectangular array are drilled in the supporting seat (1), screws connected with an external wall are arranged in the fixing holes, a protective shell (2) is arranged on one side, away from the protection mechanism (5), of the supporting seat (1), two sides of the protective shell (2) are connected with adaptive fixing seats (3) through bolts, one group of the fixing seats (3) are connected with the supporting seat (1) through bolts, two groups of symmetrical lug plates (6) are fixedly welded on two sides of the fixing seats (3), screws connected with the wall are arranged in through holes drilled in the centers of the lug plates (6), a rotating shaft (4) is arranged at the center of the protective shell (2), two ends of the rotating shaft (4) are fixedly welded with the inner ring of a bearing seat installed in the center of the fixing, the one end of pivot (4) runs through fixing base (3) and installs handle (7) through the bolt, the fixed welding in periphery of pivot (4) has cam (8), be equipped with three groups adjustment mechanism (9) that are the annular array and distribute between the periphery of cam (8) and the interior week of protective housing (2), the periphery that adjustment mechanism (9) are close to cam (8) one side is equipped with stop gear (10).

2. The transfer switch with a guard of claim 1, wherein: protection mechanism (5) are including spacing seat (11) and baffle (12), the cross-section of spacing seat (11) is the U-shaped, the interior week of spacing seat (11) bonds through the periphery of viscose with supporting seat (1), the sliding tray has all been seted up to the both sides that spacing seat (11) are close to supporting seat (1), one side that spacing seat (11) are close to handle (7) is equipped with baffle (12) that the cross-section is L shape, the both sides of baffle (12) lower half all are equipped with the slider with sliding tray sliding connection.

3. The transfer switch with a guard of claim 1, wherein: adjustment mechanism (9) include static contact (13), moving contact (14) and regulation post (15), the both ends of static contact (13) all run through protective housing (2) and are equipped with the wiring end of being connected with external circuit, be equipped with moving contact (14) between the interior week of static contact (13) and protective housing (2), be equipped with the regulating block between the interior week of moving contact (14) and protective housing (2), the fixed welding in center of moving contact (14) has regulation post (15) of running through static contact (13), the adjustment post (15) are kept away from the one end of static contact (13) and are dug the adjustment tank joggle of establishing in the regulating block center, it has compression spring (16) with regulation post (15) periphery looks adaptation to bond through the viscose between moving contact (14) and the regulating block.

4. The transfer switch with a guard of claim 1, wherein: stop gear (10) are including spacing post (17), limiting plate (18) and expanding spring (19), the bottom of spacing post (17) and the top fixed weld of static contact (13) of adjustment mechanism (9), the interior week of spacing post (17) is established four groups and is the cross-section that the annular array distributes and be arched limiting plate (18), it has multiunit expanding spring (19) that are the equidistance and distribute to bond through the viscose between the side of limiting plate (18) and the interior week of spacing post (17), four groups be equipped with adjustment mechanism (9) between the interior week of limiting plate (18) adjusting post (15).

5. The transfer switch with a guard of claim 1, wherein: one side of supporting seat (1) near handle (7) bonds through the viscose has the instruction label of three groups and adjustment post (15) looks adaptation of adjustment mechanism (9), the draw-in groove that is equipped with adjustment post (15) looks adaptation of adjustment mechanism (9) is dug to the side of cam (8), cam (8) form gyro wheel card ratchet structure through draw-in groove and adjustment post (15).