CN209843564U - Push type instantaneous-on instantaneous-off switch - Google Patents
Push type instantaneous-on instantaneous-off switch Download PDFInfo
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- CN209843564U CN209843564U CN201920537468.2U CN201920537468U CN209843564U CN 209843564 U CN209843564 U CN 209843564U CN 201920537468 U CN201920537468 U CN 201920537468U CN 209843564 U CN209843564 U CN 209843564U
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- movable contact
- slide rod
- shell
- push rod
- rod
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Abstract
The utility model relates to a press type instantaneous opening and instantaneous breaking switch, which comprises a switch shell and a push rod, wherein a slide rod sleeve is vertically connected on the side wall of the push rod positioned in the shell, a slide rod is connected in the slide rod sleeve in a sliding way, a second pressure spring is arranged between the slide rod and the inner bottom surface of the slide rod sleeve, a movable contact spring is rotatably connected in the shell, the movable contact spring is opposite to the open end of the slide rod sleeve, the middle parts of the two side edges of the movable contact spring are respectively provided with a rotating shaft, two side walls of the shell are respectively provided with a shaft hole corresponding to the two rotating shafts, the two rotating shafts of the movable contact spring are rotatably connected in the two shaft holes in a one-to-one correspondence way, the slide rod is abutted on the movable contact spring under the elastic action of the second pressure spring, the stroke of the push rod is satisfied to drive the slide rod, the static contact corresponds to the movable contact. The switch can make the movable contact piece turn over instantly, and make or break the movable contact and the static contact instantly.
Description
The technical field is as follows:
the utility model relates to a push type instantaneous cut-off switch.
Background art:
the push switch is easy to generate electric arc between the movable contact and the fixed contact due to the push speed to cause contact carbon deposition, so that poor contact is caused, and the service life of the push switch is prolonged.
The utility model has the following contents:
the utility model discloses the technical problem who at first will solve is: the push type instantaneous-on and instantaneous-off switch is provided, so that electric arcs generated between a movable contact and a fixed contact are effectively avoided, and the service life of the switch is prolonged.
In order to solve the technical problem, the utility model discloses a technical scheme is: a press-type instantaneous-opening instantaneous-breaking switch comprises a switch shell and a push rod axially inserted on the shell in a sliding manner, wherein one end of the push rod extends out of the shell, a first pressure spring is arranged between the other end of the push rod and the inner wall of the shell, the press rod is characterized in that a slide rod sleeve is vertically connected to the side wall of the push rod in the shell, a slide rod mounting hole perpendicular to the push rod is formed in the slide rod sleeve, an opening is formed in one end, away from the push rod, of the slide rod sleeve in the slide rod mounting hole, a slide rod is connected in the slide rod mounting hole in a sliding manner, a second pressure spring is arranged between the slide rod and the inner bottom surface of the slide rod sleeve, a movable contact spring parallel to the axial direction of the push rod is rotatably connected in the shell, the movable contact spring is opposite to the opening end of the slide rod sleeve, outwardly-extending rotating shafts are respectively arranged at the middle parts, the sliding rod is abutted against the movable contact piece under the action of the elastic force of the second pressure spring, the stroke of the push rod is used for driving the sliding rod to slide to the other side from one side of the rotating shaft along the movable contact piece so as to enable the movable contact piece to turn over, a movable contact point is arranged at one end, close to the first pressure spring, of the movable contact piece, a fixed contact point is arranged at one side, opposite to the sliding rod, of the movable contact piece in the shell, and the fixed contact point corresponds to the movable.
As a preferred scheme, the two side edges of the movable contact piece, which are provided with the rotating shaft, are respectively provided with a circular arc-shaped baffle perpendicular to the movable contact piece, and the baffles are in sliding contact with the inner wall of the shell.
Preferably, one end of the movable contact spring, which is far away from the first pressure spring, is bent towards one side, which is far away from the push rod.
As a preferred scheme, a convex rib extending along the width direction of the movable contact piece is arranged on the movable contact piece between the two rotating shafts, the convex rib is positioned on one side of the movable contact piece facing the push rod, and the end part of one end, abutted against the movable contact piece, of the slide rod forms a spherical surface.
The utility model has the advantages that: rotate through with the movable contact spring middle part and connect on the casing, then utilize the slide bar to support the one end of movable contact spring, make the other end perk of movable contact spring, then at push rod axial motion's in-process, when the push rod drives the slide bar and moves to the opposite side from pivot one side along the movable contact spring, the slide bar can promote the one end that the movable contact spring perk originally downwards in the twinkling of an eye to rotate, the other end upwards bounces in the twinkling of an eye, realize the switch in the twinkling of an eye switch-on or disconnection, because the action of movable contact spring is accomplished in the twinkling of an eye, consequently can effectively avoid producing electric arc.
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 a schematic view of a half-section structure of the present invention;
fig. 2 is a schematic view of the connection structure of the movable contact spring and the housing of the present invention.
In fig. 1 and 2: 1. the device comprises a shell, 2, a push rod, 3, a first pressure spring, 4, a slide rod sleeve, 5, a slide rod mounting hole, 6, a slide rod, 7, a second pressure spring, 8, a movable contact, 9, a rotating shaft, 10, a shaft hole, 11, a movable contact, 12, a fixed contact, 13, a baffle, 14 and a convex rib.
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 and fig. 2, a press type instantaneous opening and interruption switch comprises a switch shell 1 and a push rod 2 inserted on the shell 1 in an axial sliding manner, one end of the push rod 2 extends out of the shell 1, a first pressure spring 3 is arranged between the other end of the push rod 2 and the inner wall of the shell 1, and is characterized in that the side wall of the push rod 2 positioned in the shell 1 is vertically connected with a slide rod sleeve 4, a slide rod mounting hole 5 vertical to the push rod 2 is arranged in the slide rod sleeve 4, an opening is formed at one end of the slide rod sleeve 4 far away from the push rod 2, a slide rod 6 is connected in the slide rod mounting hole 5 in a sliding manner, a second pressure spring 7 is arranged between the slide rod 6 and the inner bottom surface of the slide rod sleeve 4, a movable contact 8 parallel to the push rod 2 in the axial direction is also connected in the shell 1 in a rotating manner, the movable contact 8 is opposite to the opening end of the slide rod, two side walls of the shell 1 are respectively provided with shaft holes 10 corresponding to the two rotating shafts 9, the two rotating shafts 9 of the movable contact piece 8 are connected in the two shaft holes 10 in a one-to-one rotating mode, the sliding rod 6 is abutted to the movable contact piece 8 under the elastic force action of the second pressure spring 7, the stroke of the push rod 2 meets the requirement that the sliding rod 6 is driven to slide to the other side from one side of the rotating shaft 9 along the movable contact piece 8 so as to enable the movable contact piece 8 to turn over, one end, close to the first pressure spring 3, of the movable contact piece 8 is provided with a movable contact 11, one side, opposite to the sliding rod 6, of the movable contact piece 8 in the shell 1 is provided with a static.
Through rotating movable contact 8 middle part and connecting on casing 1, then utilize slide bar 6 to support the one end of movable contact 8, make the other end perk of movable contact 8, then in the in-process of push rod 2 axial motion, when push rod 2 drove slide bar 6 and moved to the opposite side from pivot 9 one side along movable contact 8, slide bar 6 can promote the one end that movable contact 8 originally perk to rotate downwards in the twinkling of an eye, the other end upwards bounces in the twinkling of an eye, realize the switch in the twinkling of an eye put on or break off, because the upset action of movable contact 8 is accomplished in the twinkling of an eye, consequently can effectively avoid producing electric arc between movable contact 11 and the stationary contact 12, extension switch life.
The movable contact piece 8 is provided with the convex baffle 13 of perpendicular to movable contact piece 8 respectively to the both sides side of pivot 9, and baffle 13 and casing 1 inner wall sliding contact, baffle 13 can improve movable contact piece 8 pivoted stability, eliminate movable contact piece side and casing 1 inner wall slide and wipe and cause the rotation bite phenomenon.
One end of the movable contact piece 8, which is far away from the first pressure spring 3, is bent towards one side, which is far away from the push rod 2, so that when one end, which is far away from the first pressure spring 3, of the movable contact piece 8 is abutted against the slide rod 6, the bent part of the movable contact piece 8 can reduce the rotation angle of the movable contact piece 8, and the action time of the movable contact piece 8 is further shortened.
A convex rib 14 extending along the width direction of the movable contact piece 8 is arranged on the movable contact piece 8 between the two rotating shafts 9, the convex rib 14 is arranged on one side of the movable contact piece 8 facing the push rod 2, one end part of the sliding rod 6 abutted against the movable contact piece 8 forms a spherical surface shape, when the sliding rod 6 moves to the other side from the highest point of the convex rib 14, because the slope of the convex rib 14 is contacted with the spherical end part of the movable contact piece 8, the resistance between the convex rib 14 and the sliding rod 6 is suddenly greatly reduced, the sliding rod 6 is rapidly ejected, and the movable contact piece 8 is pushed to turn over instantly.
The utility model discloses the working process is: when the switch is in the initial state as shown in fig. 1, the movable contact 11 is separated from the fixed contact 12, the circuit is broken, and when the circuit needs to be closed, a leftward pushing force is applied to the push rod 2, so that the push rod 2 is pushed to move leftward, and the first pressure spring 3 is compressed. When the push rod 2 moves leftwards, the slide rod sleeve 4 drives the slide rod 6 to move leftwards, the slide rod 6 moves towards the rotating shaft 9 along the movable contact piece 8, the second pressure spring 7 is gradually compressed, when the slide rod 6 moves to the right side inclined plane of the convex rib 14, the slide rod 6 still abuts against the movable contact piece 8 on the right side of the rotating shaft 9 at the moment, the left side of the movable contact piece 8 is tilted, when the slide rod 6 continues to move leftwards and reaches the left side of the convex rib 14 after passing through the highest point of the convex rib 14, the slide rod 6 moves to the left side of the rotating shaft 9, under the mutual matching of the spherical surface at the end part of the slide rod 6 and the left side inclined plane of the convex rib 14, the second pressure spring 7 quickly releases elastic potential energy, the movable contact piece 8 on the left side of the rotating.
When the circuit is broken, the action process of the movable contact 8 is opposite to that when the circuit is connected, and the description is omitted here.
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 (4)
1. A push-type instantaneous-opening instantaneous-breaking switch comprises a switch shell (1) and a push rod (2) which is axially inserted into the shell (1) in a sliding mode, one end of the push rod (2) extends out of the shell (1), a first pressure spring (3) is arranged between the other end of the push rod and the inner wall of the shell (1), and the push-type instantaneous-opening instantaneous-breaking switch is characterized in that a slide rod sleeve (4) is vertically connected onto the side wall of the push rod (2) in the shell (1), a slide rod mounting hole (5) which is vertical to the push rod (2) is formed in the slide rod sleeve (4), an opening is formed in one end, away from the push rod (2), of the slide rod sleeve (4), a slide rod (6) is connected in the slide rod mounting hole (5) in a sliding mode, a second pressure spring (7) is arranged between the slide rod (6) and the inner bottom surface of the slide rod sleeve (4), a movable contact spring (8), the movable contact piece (8) is opposite to the opening end of the sliding rod sleeve (4), the middle parts of the two side edges of the movable contact piece (8) in the length direction are respectively provided with a rotating shaft (9) extending outwards, two side walls of the shell (1) are respectively provided with shaft holes (10) corresponding to the two rotating shafts (9), the two rotating shafts (9) of the movable contact piece (8) are connected in the two shaft holes (10) in a one-to-one rotating mode, the sliding rod (6) is abutted against the movable contact piece (8) under the elastic action of the second pressure spring (7), the stroke of the push rod (2) meets the requirement that the sliding rod (6) is driven to slide from one side of the rotating shaft (9) to the other side along the movable contact piece (8) so as to enable the movable contact piece (8) to turn over, one end, close to the first pressure spring (3), of the movable contact piece (8) is provided with a movable contact (11), one static contact (12), the fixed contact (12) corresponds to the movable contact (11).
2. A push type instantaneous opening momentary switch according to claim 1, wherein the movable contact (8) is provided with a circular arc-shaped baffle (13) perpendicular to the movable contact (8) at each of both side edges of the rotating shaft (9), and the baffles (13) are in sliding contact with the inner wall of the housing (1).
3. A push type instant-opening momentary switch according to claim 1, wherein the end of the movable contact (8) away from the first compression spring (3) is bent to the side away from the push rod (2).
4. A push type snap-on momentary break switch according to claim 1, wherein a rib (14) extending in the width direction of the movable contact (8) is provided on the movable contact (8) between the two shafts (9), the rib (14) is provided on the side of the movable contact (8) facing the push rod (2), and the end of the sliding rod (6) abutting against the movable contact (8) is formed into a spherical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920537468.2U CN209843564U (en) | 2019-04-19 | 2019-04-19 | Push type instantaneous-on instantaneous-off switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920537468.2U CN209843564U (en) | 2019-04-19 | 2019-04-19 | Push type instantaneous-on instantaneous-off switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209843564U true CN209843564U (en) | 2019-12-24 |
Family
ID=68912486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920537468.2U Active CN209843564U (en) | 2019-04-19 | 2019-04-19 | Push type instantaneous-on instantaneous-off switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209843564U (en) |
-
2019
- 2019-04-19 CN CN201920537468.2U patent/CN209843564U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |