CN210866009U

CN210866009U - Sliding switch

Info

Publication number: CN210866009U
Application number: CN201921803149.8U
Authority: CN
Inventors: 许陈明
Original assignee: Suzhou Huazhijie Telecom Co ltd
Current assignee: Suzhou Huazhijie Telecom Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-06-26
Anticipated expiration: 2029-10-25

Abstract

The utility model relates to a slide switch, casing including base and upper cover constitution, be connected with quiet terminal and movable terminal in the casing, be provided with the stationary contact on the quiet terminal, be connected with the movable contact spring on the movable terminal, movable contact spring one end is provided with the movable contact who corresponds with the stationary contact, the casing is inside still to be provided with an one end joint on the casing, the movable contact spring of the one end swing joint of the other end and movable contact spring, it dials the handle still to have sliding connection in the casing, dial handle both ends bottom and be provided with first separation blade and second separation blade respectively, it is provided with the driving lever to dial the handle upper end, on cover and be provided with the slot hole, the driving lever passes the slot hole, first separation blade fixedly connected with closing spring, be provided with the slider between second separation blade and the movable contact spring, dial the handle bottom and seted up the spout, the slider top is provided with the bell. The sliding switch can quickly close or separate the movable contact and the fixed contact, thereby avoiding electric arc generation, improving the current-carrying capacity of the switch and prolonging the service life.

Description

Sliding switch

The technical field is as follows:

the utility model belongs to the technical field of the switch, in particular to slide switch.

Background art:

the existing sliding switch is generally provided with a fulcrum in the middle of a movable contact piece, a shifting handle moves from one side of the fulcrum to the other side along the movable contact piece to enable the movable contact piece to swing by taking the fulcrum as a center, so that the switch is connected and disconnected, and because the swinging speed of the movable contact piece in the contact mode is low, electric arcs are easily generated between the movable contact and a fixed contact, so that the movable contact and the fixed contact are damaged, and the high-load field is difficult to be competent.

The utility model has the following contents:

the utility model discloses the technical problem that will solve is: a slide switch is provided, which has the functions of quickly separating and closing a moving contact and a static contact, thereby reducing the generation probability of electric arcs and improving the current-carrying capacity.

In order to solve the technical problem, the utility model discloses a technical scheme is: a sliding switch comprises a base and an upper cover covering the base, the base and the upper cover form a hollow shell, a static terminal and a movable terminal which are separated from each other are fixedly connected in the shell, a static contact is fixedly arranged on the static terminal, the sliding switch is characterized in that the movable terminal is connected with a movable contact piece opposite to the static contact in a swinging mode, one end of the movable contact piece is movably connected with the movable terminal, the other end of the movable contact piece is provided with a movable contact corresponding to the static contact, the movable contact can swing synchronously along with the movable contact, the static contact is positioned in the swinging range of the movable contact, a movable spring piece is further arranged in the shell, one end of the movable spring piece is clamped on the shell, the other end of the movable spring piece is movably connected with one end of the movable contact piece, the movable spring piece is U-shaped or V-shaped, a shifting handle is further connected in the shell in a sliding mode, and a first blocking piece and a second blocking piece which extend, the upper end of the shifting handle is provided with a shifting lever extending upwards, the upper cover is provided with a long hole extending along the swinging direction of the movable contact piece, the shifting lever passes through the long hole and extends out of the upper cover, the movable contact piece is inserted between a first blocking piece and a second blocking piece, the first blocking piece is positioned at one side of the movable contact piece away from the fixed contact, the second blocking piece is positioned between the movable contact piece and the fixed contact, one side of the first blocking piece facing the movable contact piece is fixedly connected with a closed spring extending towards the movable contact piece, a sliding block is arranged between the second blocking piece and the movable contact piece, a separation spring is arranged between the sliding block and the second blocking piece, the bottom of the shifting handle is provided with a sliding groove parallel to the long hole, the top of the sliding block is provided with a bulge matched with the sliding groove in a sliding way, the bulge is connected in the sliding groove in a sliding way, when the switch is, the closing spring is abutted against the movable contact piece.

As a preferred scheme, the two sides of the shifting handle are connected to the inner wall of the shell in a sliding mode, the two sides of the shifting handle are further respectively connected with elastic pieces, one end of each elastic piece is connected with the shifting handle, the other end of each elastic piece is in a free state and can be elastically bent towards the shifting handle, the two elastic pieces are respectively close to the inner walls of the two sides of the shell, the free end of any elastic piece is provided with a clamping portion protruding towards the close inner wall of the shell, the inner walls of the two sides of the shell are respectively provided with a blocking portion protruding inwards.

As a preferred scheme, a dustproof sheet is arranged between the upper end of the shifting handle and the inner top surface of the upper cover, a through hole matched with the shifting rod is formed in the dustproof sheet, the shifting rod sequentially penetrates through the through hole and the long hole and extends out of the upper cover, and the length of the dustproof sheet is equal to the length of the long hole which is completely covered on the shifting stroke of the shifting rod.

The utility model has the advantages that: the utility model discloses a movable contact spring provides anti swing resistance to the movable contact spring, and simultaneously, utilize closed spring, the separation spring stores closed potential energy and separation potential energy respectively, when stirring the handle of dialling, utilize closed potential energy or separation potential energy to confront swing resistance, when closed potential energy or separation potential energy are greater than swing resistance, the movable contact spring swings, and original swing resistance turns into rather than the closed potential energy of confrontation or the unanimous power of separation potential energy direction, the swing of accelerating movable contact spring on the movable contact spring is applyed simultaneously to the power of these two aspects, thereby quick closure, cut-off switch.

The utility model discloses further set up the shell fragment dialling the handle both sides, set up joint portion on the shell fragment to at the inside stop part that sets up of casing, when making to dial the handle slip and drive the shell fragment and slide, joint portion has obvious paragraph sense when moving to the opposite side from one side of stop part, makes the people of operation learn switch disconnection or closed, and the position of the handle is dialled according to switch disconnection, closure state to the position of stop part in shell fragment joint portion and the casing is set for.

The utility model discloses further set up dustproof piece in the casing, block that the dust gets into inside the casing, improve the dustproof ability of switch, increase of service life improves switch stability.

Description of the drawings:

the following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

fig. 1 is an exploded view of the present invention;

FIG. 2 is a schematic view of the lever of FIG. 1 horizontally flipped 180 degrees;

FIG. 3 is a schematic view showing an inner structure of the upper cap shown in FIG. 1;

fig. 4 is a schematic structural view of the switch of the present invention in an assembled state;

FIG. 5 is an internal structural view of the switch in an off state;

fig. 6 is a schematic diagram of the internal structure of the switch in the closed state.

In fig. 1 to 6: 1. the upper cover, 101, the slot, 2, the dustproof sheet, 201, the through hole, 3, the elastic sheet, 301, the clamping part, 4, the shifting handle, 401, the first blocking sheet, 402, the second blocking sheet, 403, the shifting rod, 404, the sliding chute, 5, the closing spring 6, the movable spring, 7, the movable contact, 8, the stationary contact, 9, the movable contact, 10, the sliding block, 1001, the bulge, 11, the movable terminal, 12, the stationary terminal, 13, the separating spring, 14, the support, 15, the base, 16, the blocking part, 17, the blind hole, 100 and the shell.

The specific implementation mode is as follows:

the following describes in detail a specific embodiment of the present invention with reference to the drawings.

As shown in fig. 1 to 4, a sliding switch includes a base 15 and an upper cover 1 covering the base 15, the base 15 and the upper cover 1 form a hollow casing 100, a fixed terminal 12 and a movable terminal 11 separated from each other are fixedly connected in the casing 100, the fixed terminal 12 is fixedly provided with a fixed contact 8, the movable terminal 11 is connected with a movable contact 9 opposite to the fixed contact 8 in a swinging manner, one end of the movable contact 9 is movably connected with the movable terminal 11, the other end is provided with a movable contact 7 corresponding to the fixed contact 8, the movable contact 7 can swing synchronously with the movable contact 9, the fixed contact 8 is positioned in a swinging range of the movable contact 7, the casing 100 is also internally provided with a movable contact 6, one end of the movable contact 6 is clamped on the casing 100, in this embodiment, the movable contact 6 is clamped by a bracket 14 clamped on the inner wall of the casing 100, and the bracket 14 can also be integrated with the casing 100, for convenience of installation, the bracket 14 can be separated, the other end of the movable spring piece 6 is movably connected with one end of the movable contact piece 9 far away from the movable terminal 11, specifically, the end part of the movable spring piece 6 is clamped in a groove or a hole on the movable terminal 11, the movable spring piece 6 is in a U shape or a V shape, the shell 100 is also connected with a shifting handle 4 in a sliding way, the bottom of the two ends of the shifting handle 4 along the swinging direction of the movable contact piece 9 is respectively provided with a first blocking piece 401 and a second blocking piece 402 which extend downwards, the upper end of the shifting handle 4 is provided with an upward extending shifting rod 403, the upper cover 1 is provided with a long hole 101 which extends along the swinging direction of the movable contact piece 9, the shifting rod 403 passes through the long hole 101 and extends out of the upper cover 1, the movable contact piece 9 is inserted between the first blocking piece 401 and the second blocking piece 402, the first blocking piece 401 is positioned at one side of the movable contact piece 9 far away from the fixed contact piece 8, the first blocking piece 401 is fixedly connected, a sliding block 10 is arranged between the second stopper 402 and the movable contact piece 9, a separation spring 13 is arranged between the sliding block 10 and the second stopper 402, a blind hole 17 capable of accommodating the separation spring 13 is arranged at one end of the sliding block 10 facing the separation spring 13, a part of the separation spring is inserted into the blind hole 17 to prevent radial jumping, as shown in fig. 2, a sliding groove 404 parallel to the long hole 101 is arranged at the bottom of the shifting handle 4, a protruding part 1001 matched with the sliding groove 404 is arranged at the top of the sliding block 10, the protruding part 1001 is connected in the sliding groove 404 in a sliding manner, when the switch is switched off, the sliding block 10 abuts against the movable contact piece 9, the closing spring 5 is separated from the movable contact piece 9, when the switch is switched on, the sliding block 10 is separated from the movable contact piece 9.

As shown in fig. 1, two sides of the dial handle 4 are slidably connected to the inner wall of the housing 100, two sides of the dial handle 4 are further respectively connected with the elastic pieces 3, one end of each elastic piece 3 is connected with the dial handle 4, the other end of each elastic piece 3 is in a free state and can be elastically bent towards the dial handle 4, the two elastic pieces 3 are respectively close to the inner walls of two sides of the housing 100, the free end of any elastic piece 3 is provided with a clamping portion 301 protruding towards the inner wall of the housing 100 close to the free end of the elastic piece, the inner walls of two sides of the housing 100 are respectively provided with a blocking portion 16 protruding inwards.

A dustproof sheet 2 is arranged between the upper end of the shifting handle 4 and the inner top surface of the upper cover 1, a through hole 201 matched with the shifting rod 403 is formed in the dustproof sheet 2, the shifting rod 403 sequentially penetrates through the through hole 201 and the long hole 101 and extends out of the upper cover 1, and the length of the dustproof sheet 2 is such that the shifting rod 403 can completely cover the long hole 101 in the shifting stroke.

The utility model discloses the theory of operation is: as shown in fig. 5, when the switch is in the off state, the lever 403 is located at the right end of the long hole 101, the catching portion 301 of the elastic piece 3 is located on the right side of the blocking portion 16, the closing spring 5 and the movable contact piece 9 are separated from each other, the slider 10 abuts against the movable contact piece 9 under the thrust of the separation spring 13, and the movable contact piece 6 swings to the right side.

When the switch is to be closed, the shifting lever 403 is pushed to move leftwards, the shifting lever 403 drives the shifting handle 4 to move, meanwhile, the elastic sheet 3 and the clamping portion 301 move leftwards and gradually contact with the blocking portion 16, the clamping portion 301 enables the elastic sheet 3 to bend and deform towards the direction of the shifting handle 4 under the extrusion effect of the blocking portion 16, after the clamping portion 301 crosses the blocking portion 16, the elastic sheet 3 resets, the clamping portion 301 moves to the left side of the blocking portion 16, and the switch is in a closed state.

When the elastic sheet 3 moves, the first blocking sheet 401 pushes the closing spring 5 to move towards the movable contact piece 9 to contact the movable contact piece 9, when the shifting handle 4 further moves, because the movable contact piece 9 is subjected to swing resistance, the closing spring 5 is subjected to the resistance of the movable contact piece 9 and the pushing force of the first blocking sheet 401 to compress and store energy, the elastic potential energy of the closing spring 5 is gradually increased in the process of continuously pushing the shifting handle 4 leftwards, and the sliding block 10 is clamped in the sliding groove 404 because the bulge 1001 at the upper end of the sliding block 10, so that in the process of moving the shifting handle 4 leftwards, the separating spring 13 is firstly loosened, the sliding block 10 is still abutted on the movable contact piece 9, when the separating spring 13 is loosened to the right end of the sliding groove 404, the shifting handle 4 is continuously pushed leftwards, the sliding block 10 is driven to move leftwards to separate from the movable contact piece, at this moment, the elastic force of the closing spring 5 is still smaller than the swing resistance of, when the lever 4 is further moved left until the slider 10 completely gives way to the space required for the movable contact piece 9 to swing, the elastic force of the closing spring 5 is also increased to be larger than the swing resistance of the movable contact piece 6 to the movable contact piece 9, so that the closing spring 5 drives the movable contact piece 9 to swing left with a great force, so that the movable contact 7 on the movable contact piece 9 is rapidly contacted with the fixed contact 8.

When the elastic potential energy of the closing spring 5 is gradually increased, the movable spring piece 6 and the movable contact piece 9 are gradually pushed leftwards, the opening of the movable spring piece 6 is gradually compressed to provide larger swing resistance for the movable contact piece 9, the elastic potential energy of the movable spring piece 6 is continuously increased, and when the elastic force applied by the movable spring piece 6 to the movable contact piece 9 points to the connecting point of the movable contact piece 9 and the movable terminal 11, the movable spring piece 6 is in the state of the maximum elastic potential energy, but the component force towards the closing spring direction is also maximized, under the condition that the elastic potential energy is further increased by the movable spring piece 6, the movable contact piece 9 continuously swings leftwards to change the elastic direction of the movable contact piece 6 to be consistent with the elastic force of the closing spring 5, so that the force applied to the movable contact piece 9 to drive the movable contact piece to move towards the fixed contact piece 8 is instantly increased, the swing acceleration of the movable contact piece 9 is increased, and the movable contact piece 7 is rapidly, the switch is closed.

The process of opening the switch is the reverse of the switch closing process described above, and the principle is the same, and will not be described herein again.

Through quick closing and quick opening, the time for forming electric arcs is reduced, the electric arcs are difficult to form, the current carrying capacity of the switch can be improved, and the service life is prolonged.

The above embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments in use, and are not intended to limit the invention; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.

Claims

1. A sliding switch comprises a base (15) and an upper cover (1) covered on the base (15), the base (15) and the upper cover (1) form a hollow shell (100), a static terminal (12) and a movable terminal (11) which are separated from each other are fixedly connected in the shell (100), a static contact (8) is fixedly arranged on the static terminal (12), the sliding switch is characterized in that the movable terminal (11) is connected with a movable contact (9) which is opposite to the static contact (8) in a swinging mode, one end of the movable contact (9) is movably connected with the movable terminal (11), the other end of the movable contact (9) is provided with a movable contact (7) which is corresponding to the static contact (8), the movable contact (7) can swing synchronously along with the movable contact (9), the static contact (8) is located in the swinging range of the movable contact (7), a movable spring (6) is further arranged in the shell (100), one end of the movable spring (6) is clamped on the shell (100), the other end of the movable contact spring is movably connected with one end, far away from the movable terminal (11), of the movable contact spring (6) in a U shape or a V shape, a shifting handle (4) is further connected in the shell (100) in a sliding manner, the bottoms of the two ends of the shifting handle (4) along the swinging direction of the movable contact spring (9) are respectively provided with a first blocking piece (401) and a second blocking piece (402) which extend downwards, the upper end of the shifting handle (4) is provided with a shifting rod (403) which extend upwards, the upper cover (1) is provided with a long hole (101) which extends along the swinging direction of the movable contact spring (9), the shifting rod (403) penetrates through the long hole (101) and extends out of the upper cover (1), the movable contact spring (9) penetrates between the first blocking piece (401) and the second blocking piece (402), the first blocking piece (401) is positioned on one side, far away from the fixed contact (8), of the movable contact spring (9), and the second blocking piece (, one side, facing the movable contact piece (9), of the first blocking piece (401) is fixedly connected with a closing spring (5) extending towards the movable contact piece (9), a sliding block (10) is arranged between the second blocking piece (402) and the movable contact piece (9), a separating spring (13) is arranged between the sliding block (10) and the second blocking piece (402), a sliding groove (404) parallel to the long hole (101) is formed in the bottom of the shifting handle (4), a protruding portion (1001) matched with the sliding groove (404) in a sliding mode is arranged at the top of the sliding block (10), the protruding portion (1001) is connected in the sliding groove (404) in a sliding mode, when the switch is disconnected, the sliding block (10) abuts against the movable contact piece (9), the closing spring (5) is separated from the movable contact piece (9), when the switch is closed, the sliding block (10) is separated from the movable contact piece (9), and the closing spring (5) abuts against the movable.

2. The slide switch according to claim 1, wherein two sides of the dial handle (4) are slidably connected to the inner wall of the housing (100), two sides of the dial handle (4) are further connected with the elastic pieces (3) respectively, one end of each elastic piece (3) is connected with the dial handle (4), the other end of each elastic piece (3) is in a free state and can be elastically bent towards the dial handle (4), the two elastic pieces (3) are close to the inner walls of the two sides of the housing (100) respectively, the free end of any elastic piece (3) is provided with a clamping portion (301) protruding towards the inner wall of the housing (100) close to the free end of the elastic piece, the inner walls of the two sides of the housing (100) are provided with blocking portions (16) protruding inwards respectively, and the blocking portions (16.

3. The slide switch according to claim 1, wherein a dust-proof sheet (2) is arranged between the upper end of the shift lever (4) and the inner top surface of the upper cover (1), a through hole (201) matched with the shift lever (403) is formed in the dust-proof sheet (2), the shift lever (403) sequentially passes through the through hole (201) and the long hole (101) and extends out of the upper cover (1), and the length of the dust-proof sheet (2) is such that the long hole (101) is completely covered on the shifting stroke of the shift lever (403).