Sliding switch
阅读说明:本技术 一种滑动开关 (Sliding switch ) 是由 许陈明 于 2019-10-25 设计创作,主要内容包括:本发明涉及到一种滑动开关,包括基座和上盖构成的壳体,壳体内连接有静端子和动端子,静端子上设置有静触点,动端子上连接有动触片,动触片一端设置有与静触点对应的动触点,壳体内部还设置有一个一端卡接在壳体上、另一端与动触片的一端活动连接的动簧片,壳体内还滑动连接有拨柄,拨柄两端底部分别设置有第一挡片和第二挡片,拨柄上端设置有拨杆,上盖上设置有长孔,拨杆穿过长孔,第一挡片固定连接有闭合弹簧,第二挡片和动触片之间设置有滑块,滑块和第二挡片之间设置有分离弹簧,拨柄底部开设有滑槽,滑块顶部设置有与滑槽滑配的凸起部。该滑动开关能快速闭合或分离动触点和静触点,从而避免电弧产生,提高开关载流能力,延长使用寿命。(The invention relates to a sliding switch, which comprises a shell consisting of a base and an upper cover, wherein a static terminal and a movable terminal are connected in the shell, a static contact is arranged on the static terminal, a movable contact is connected on the movable terminal, a movable contact corresponding to the static contact is arranged at one end of the movable contact, a movable spring piece with one end clamped on the shell and the other end movably connected with one end of the movable contact is also arranged in the shell, a shifting handle is also connected in the shell in a sliding manner, a first blocking piece and a second blocking piece are respectively arranged at the bottom of the two ends of the shifting handle, a shifting rod is arranged at the upper end of the shifting handle, a long hole is arranged on the upper cover, the shifting rod penetrates through the long hole, a closing spring is fixedly connected with the first blocking piece, a sliding block is arranged between the second blocking piece and the movable contact, a separation spring is arranged between the sliding. 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.)
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 shifting handle (3) and the inner top surface of the upper cover (1), a through hole (201) matched with the shifting rod (403) is formed in the dust-proof sheet (2), the shifting rod (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 shifting rod (403).
The technical field is as follows:
the invention belongs to the technical field of switches, and particularly relates to a sliding 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 invention content is as follows:
the technical problem to be solved by the invention is as follows: 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 problems, the invention adopts the technical scheme that: 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 invention has the beneficial effects that: the invention provides anti-swing resistance to the movable contact piece through the movable contact spring, simultaneously, the closing spring and the separating spring are used for respectively storing closing potential energy and separating potential energy, when the shifting handle is shifted, the closing potential energy or the separating potential energy is used for resisting the swing resistance, when the closing potential energy or the separating potential energy is larger than the swing resistance, the movable contact piece swings, the original swing resistance is converted into force with the same direction as the resisting closing potential energy or the separating potential energy, the forces in the two aspects are simultaneously applied to the movable contact piece to accelerate the swing of the movable contact piece, and therefore, the switch is quickly closed and opened.
The invention further arranges elastic sheets at two sides of the shifting handle, the elastic sheets are provided with clamping parts, and the blocking parts are arranged in the shell, so that when the shifting handle slides to drive the elastic sheets to slide, the clamping parts have obvious paragraph feeling when moving from one side to the other side of the blocking parts, an operator knows that the switch is opened or closed, and the positions of the clamping parts of the elastic sheets and the blocking parts in the shell are set according to the positions of the shifting handle in the opening and closing states of the switch.
The dustproof sheet is further arranged in the shell, so that dust is prevented from entering the shell, the dustproof capacity of the switch is improved, the service life is prolonged, and the stability of the switch is improved.
Description of the drawings:
the following detailed description of embodiments of the invention is provided in conjunction with the appended 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
The specific implementation mode is as follows:
specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, a sliding switch includes a base 15 and an
As shown in fig. 1, two sides of the dial handle 4 are slidably connected to the inner wall of the
A dustproof sheet 2 is arranged between the upper end of the shifting handle 4 and the inner top surface of the
The working principle of the invention is as follows: as shown in fig. 5, when the switch is in the off state, the
When the switch is to be closed, the
When the elastic sheet 3 moves, the
When the elastic potential energy of the
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.
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