CN221040957U

CN221040957U - Anti-toppling switch

Info

Publication number: CN221040957U
Application number: CN202323087147.2U
Authority: CN
Inventors: 陈钱林; 庄晓晓; 庄晴凯; 蔡志文
Original assignee: Zhejiang Qihong Electronics Co ltd
Current assignee: Zhejiang Qihong Electronics Co ltd
Priority date: 2023-11-15
Filing date: 2023-11-15
Publication date: 2024-05-28
Anticipated expiration: 2033-11-15

Abstract

The utility model discloses an anti-toppling switch, which comprises a shell, wherein a first cavity and a second cavity are arranged in the shell, a gravity ball is movably arranged in the first cavity, a through hole for preventing the gravity ball from entering the second cavity is arranged between the first cavity and the second cavity, and a micro-motion assembly matched with the gravity ball is arranged in the second cavity. The utility model has the advantages of smaller volume, better space utilization rate and higher sensitivity.

Description

Anti-toppling switch

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to an anti-toppling switch.

Background

The anti-toppling switch is a switch which is used for turning off and stopping work when the vertical electric appliance is arranged on the bottom foot and is inclined. The anti-toppling switch is designed for safely using an electric appliance, the existing anti-toppling switch structure is characterized in that a freely movable metal object similar to a heavy hammer and a pair of switch contacts are arranged in the anti-toppling switch structure, when the electric appliance is horizontally placed, the two switch contacts are connected by the metal object, the electric appliance is powered on, the electric appliance works normally, and when the inclination angle of the electric appliance is overlarge or the electric appliance is reversely placed, the anti-toppling switch is automatically disconnected, and the electric appliance stops working.

The existing anti-toppling switch needs to be additionally connected with a micro switch on a switch main body, as shown in fig. 1 of the anti-toppling switch disclosed in the utility model with the patent application number of CN201020293780.0, the structure is provided with a tact switch (i.e. the micro switch) on the switch main body, so that the whole volume is larger, the space utilization rate is smaller, and meanwhile, the structure has the defect of lower sensitivity.

Disclosure of utility model

The utility model aims to provide an anti-toppling switch which has the advantages of smaller volume, better space utilization rate and higher sensitivity.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the anti-toppling switch comprises a shell, a first chamber and a second chamber are arranged in the shell, a gravity ball is movably arranged in the first chamber, a through opening for preventing the gravity ball from entering the second chamber is arranged between the first chamber and the second chamber, and a micro-motion assembly matched with the gravity ball is arranged in the second chamber.

Through adopting above-mentioned technical scheme, with gravity ball and fine motion subassembly whole integrated in same shell the inside, whole structure as an organic whole promptly, compare split type structure among the prior art, it has that the volume is littleer, space utilization is better and the sensitivity is higher advantage.

The utility model further provides that the micro-motion assembly comprises a pressure rod, an elastic conductive piece, a first pin and a second pin, wherein the first pin and the second pin are arranged on the shell, the elastic conductive piece is electrically connected with the first pin, a movable contact is arranged on the elastic conductive piece, a fixed contact matched with the first pin is arranged at the inner end of the second pin, one end of the pressure rod is rotatably arranged in the second cavity, the other end of the pressure rod is matched with the gravity ball, and an extrusion convex part acting on the elastic conductive piece is arranged at the middle part of the pressure rod.

By adopting the technical scheme, when the electric appliance is horizontally and stably placed, the gravity ball is propped against one end of the pressing rod, the extrusion convex part of the pressing rod acts on the elastic conductive piece to promote the elastic conductive piece to deform, and the movable contact on the elastic conductive piece is propped against the fixed contact on the second pin to realize electric conduction; when the electrical appliance is too large in inclination angle or topples over, the gravity ball leaves the compression bar, the compression bar loses the pressure of the gravity ball, the restoring force of the elastic conductive piece promotes the compression bar to return, and meanwhile, the movable contact on the elastic conductive piece breaks away from the second pin, so that the switch is powered off, and the electrical appliance stops working.

The utility model is further arranged that one end of the pressure rod is provided with a rotating shaft, and the inner side of the shell is provided with a rotating groove matched with the rotating shaft.

Through adopting above-mentioned technical scheme, pivot and the cooperation of runner realize the rotation installation of depression bar, simple structure, occupation space is little.

The utility model is further arranged that one end of the pressure rod, which is close to the gravity ball, is provided with a contact convex part, the contact convex part penetrates through the through hole and stretches into the first cavity, and one end of the contact convex part, which is close to the gravity ball, is in a dome shape.

By adopting the technical scheme, the design of the dome of the contact convex part can improve the sensitivity matched with the gravity ball.

The utility model is further characterized in that a first bracket and a second bracket are integrally arranged at the position of the first pin corresponding to the second cavity, a clamping groove is formed in one side of the first bracket away from the second bracket, the elastic conductive piece comprises a supporting piece and a spring piece which is arranged on the supporting piece and extends downwards, the movable contact is arranged at one end of the supporting piece, the other end of the supporting piece is clamped in the clamping groove, one end of the spring piece away from the supporting piece is propped against one side of the second bracket away from the first bracket, and the extrusion convex part is propped against the upper part of the supporting piece.

Through adopting above-mentioned technical scheme, can realize the installation of elastic conductive piece, and mounting structure is simple reliable, and the dismouting is very convenient.

The utility model is further arranged that the shell is also provided with a limiting part, and the limiting part is arranged at one side of the movable contact, which is far away from the second pin, and is used for limiting the stroke of the movable contact.

Through adopting above-mentioned technical scheme, spacing portion is used for spacing the movable contact when the movable contact breaks away from the stationary contact, promotes the stability of movable contact action, avoids the movable contact to produce when outage and rocks.

The utility model further provides that the limiting part is a structure which protrudes into the shell and is integrated with the shell.

By adopting the technical scheme, the first implementation structure of the limiting part is designed.

The utility model is further characterized in that the limiting part is an artificial foot arranged on the shell, and an artificial foot contact used for being matched with the movable contact when the movable contact leaves the stationary contact is arranged at a position above the movable contact corresponding to the limiting part.

By adopting the technical scheme, the second implementation structure of the limiting part is designed.

The utility model is further arranged that the first chamber is in a shape with a big top and a small bottom.

Through adopting above-mentioned technical scheme, can play the effect of direction and location to gravity ball, when the level steadily prevents promptly, gravity ball can fall first cavity lower extreme and cooperate with the depression bar voluntarily to guarantee the reliability of switch work.

The utility model is further arranged such that the housing comprises a front cover and a rear cover, the front cover and the rear cover being detachably connected together by a plurality of snaps.

Through adopting above-mentioned technical scheme, the shell adopts detachable structure, does benefit to the maintenance operation of earlier stage equipment and later stage.

Drawings

FIG. 1 is a perspective view of the whole of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

Fig. 3 is a schematic structural view of an elastic conductive element according to the present utility model.

In the figure: 1. a housing; 2. a first chamber; 3. a second chamber; 4. a gravity ball; 5. crossing; 6. a micro-motion assembly; 7. a compression bar; 8. an elastic conductive member; 9. a first pin; 10. a second pin; 11. a movable contact; 12. a stationary contact; 13. extruding the convex part; 14. a rotating shaft; 15. a rotating groove; 16. a contact protrusion; 17. a first bracket; 18. a second bracket; 19. a clamping groove; 20. a support sheet; 21. a spring plate; 22. a prosthetic foot; 23. a prosthetic foot contact; 24. a front cover; 25. a rear cover; 26. and (5) a buckle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: the anti-toppling switch as shown in the attached drawings 1-3 comprises a shell 1, a first chamber 2 and a second chamber 3 are arranged in the shell 1, a gravity ball 4 is movably arranged in the first chamber 2, a through opening 5 for preventing the gravity ball 4 from entering the second chamber 3 is arranged between the first chamber 2 and the second chamber 3, a micro-motion assembly 6 matched with the gravity ball 4 is arranged in the second chamber 3, the micro-motion assembly 6 is electrified when the gravity ball 4 is matched with the micro-motion assembly 6, and the micro-motion assembly 6 is powered off when the gravity ball 4 leaves the micro-motion assembly 6. The gravity ball 4 and the micro-motion assembly 6 are all integrated in the same shell 1, namely, the whole structure is an integral structure, and compared with the split structure in the prior art, the gravity ball has the advantages of smaller volume, better space utilization rate and higher sensitivity.

As shown in fig. 2, the micro-motion assembly 6 includes a pressing rod 7, an elastic conductive member 8, a first pin 9 and a second pin 10, where the first pin 9 and the second pin 10 are installed on the housing 1, and the first pin 9 and the second pin 10 can be specifically installed on the housing 1 by adopting a screw connection or a hot melt connection mode, the elastic conductive member 8 is electrically connected with the first pin 9, a movable contact 11 is disposed on the elastic conductive member 8, a stationary contact 12 used for being matched with the first pin 9 is disposed at the inner end of the second pin 10, silver contacts can be adopted for both the movable contact 11 and the stationary contact 12, and can be installed by adopting a riveting mode, one end of the pressing rod 7 is rotatably disposed in the second chamber 3, the other end of the pressing rod 7 is matched with the gravity ball 4, and an extrusion convex portion 13 acting on the elastic conductive member 8 is disposed at the middle of the pressing rod 7. When the electric appliance is horizontally and stably placed, the gravity ball 4 is propped against one end of the pressing rod 7, the extrusion convex part 13 of the pressing rod 7 acts on the elastic conductive piece 8 to promote the elastic conductive piece 8 to deform, and the movable contact on the elastic conductive piece 8 is propped against the fixed contact on the second pin 10 to realize electric conduction; when the electrical appliance is too large in inclination angle or topples over, the gravity ball 4 is separated from the pressing rod 7, the pressing rod 7 loses the pressure of the gravity ball 4, the restoring force of the elastic conductive piece 8 drives the pressing rod 7 to return, and meanwhile, the moving contact on the elastic conductive piece 8 is separated from the second pin 10, so that the switch is powered off, and the electrical appliance stops working.

As shown in fig. 2, one end of the compression bar 7 is provided with a rotation shaft 14, the inner side of the housing 1 is provided with a rotation groove 15 matched with the rotation shaft 14, the side of the rotation groove 15 is provided with an opening for the rotation shaft 14 to enter and exit, and the width of the opening is smaller than the diameter of the rotation shaft 14, so that the rotation shaft is not easy to separate from the rotation groove 15 during rotation. The rotating shaft 14 and the rotating groove 15 are matched to realize the rotating installation of the compression bar 7, so that the structure is simple and the occupied space is small.

As shown in fig. 2, a contact convex part 16 is arranged at one end of the pressure rod 7 near the gravity ball 4, the contact convex part 16 is in a cylindrical shape, the contact convex part 16 passes through the through hole 5 and extends into the first chamber 2, and one end of the contact convex part 16 near the gravity ball 4 is in a dome shape. The dome design of the contact protrusion 16 can enhance the sensitivity of the engagement with the gravity ball 4.

As shown in fig. 2 and fig. 3, the first pin 9 is integrally provided with a first bracket 17 and a second bracket 18 corresponding to the position in the second chamber 3, the first bracket 17 and the second bracket 18 are vertical plates arranged in parallel, one side of the first bracket 17 away from the second bracket 18 is provided with a clamping groove 19, the elastic conductive piece 8 comprises a supporting piece 20 and a spring piece 21 arranged on the supporting piece 20 and extending downwards, the movable contact 11 is arranged at one end of the supporting piece 20, the other end of the supporting piece 20 is clamped in the clamping groove 19, one end of the spring piece 21 away from the supporting piece 20 is abutted against one side of the second bracket 18 away from the first bracket 17, a positioning groove is also arranged on the second bracket 18 for clamping and positioning the end part of the spring piece 21, and the extrusion convex part 13 is abutted to the upper part of the supporting piece 20. The installation of the elastic conductive piece 8 can be realized through the design, and the installation structure is simple and reliable, and the disassembly and assembly are very convenient.

As shown in fig. 2, the housing 1 is further provided with a limiting portion 22, and the limiting portion 22 is disposed on a side of the movable contact 11 away from the second pin 10, for limiting the travel of the movable contact 11. The limiting part 22 is used for limiting the movable contact 11 when the movable contact 11 is separated from the fixed contact 12, so that the stability of the movement of the movable contact 11 is improved, and the movable contact 11 is prevented from shaking when the power is off.

The limiting portion 22 protrudes from the housing 1 and is integrated with the housing 1, and is designed as a first implementation structure of the limiting portion 22.

The limiting part 22 is an artificial foot installed on the shell 1, the position, above the corresponding movable contact 11, of the limiting part 22 is provided with an artificial foot contact 23 for being matched with the movable contact 11 when the movable contact 11 leaves the fixed contact 12, and the second implementation structure of the limiting part 22 is designed.

As shown in fig. 2, the first chamber 2 has a shape with a large upper part and a small lower part. The design can play the effect of direction and location to gravity ball 4, and when the level steadily prevents promptly, gravity ball 4 can fall first cavity 2 lower extreme and cooperate with depression bar 7 voluntarily to guarantee the reliability of switch work.

As shown in fig. 1, the housing 1 includes a front cover 24 and a rear cover 25, where the front cover 24 and the rear cover 25 are detachably connected together through a plurality of buckles 26 (the specific structure of the buckles 26 may be that a clamping block is arranged on the rear cover 25, and a clamping ring is arranged on the front cover 24, and when the front cover 24 and the rear cover 25 are buckled, locking of the front cover 24 and the rear cover 25 is achieved). The shell 1 adopts a detachable structure, which is beneficial to the assembly in the earlier stage and the maintenance operation in the later stage.

Claims

1. Anti-toppling switch, its characterized in that: including shell (1), be equipped with first cavity (2) and second cavity (3) in shell (1), first cavity (2) internalization is provided with gravity ball (4), be equipped with between first cavity (2) and second cavity (3) and be used for preventing that gravity ball (4) get into mouth (5) of second cavity (3), be used for in second cavity (3) with gravity ball (4) matched with fine motion subassembly (6).

2. The anti-toppling switch of claim 1, wherein: the micro-motion assembly (6) comprises a pressing rod (7), an elastic conductive piece (8), a first pin (9) and a second pin (10), wherein the first pin (9) and the second pin (10) are arranged on the shell (1), the elastic conductive piece (8) is electrically connected with the first pin (9), a movable contact (11) is arranged on the elastic conductive piece (8), a stationary contact (12) matched with the first pin (9) is arranged at the inner end of the second pin (10), one end of the pressing rod (7) is rotationally arranged in the second cavity (3), the other end of the pressing rod (7) is matched with the gravity ball (4), and an extrusion convex part (13) used for the elastic conductive piece (8) is arranged at the middle part of the pressing rod (7).

3. The anti-toppling switch of claim 2, wherein: one end of the pressure lever (7) is provided with a rotating shaft (14), and the inner side of the shell (1) is provided with a rotating groove (15) matched with the rotating shaft (14).

4. The anti-toppling switch of claim 2, wherein: one end of the pressure rod (7) close to the gravity ball (4) is provided with a contact convex part (16), the contact convex part (16) passes through the through hole (5) and stretches into the first chamber (2), and one end of the contact convex part (16) close to the gravity ball (4) is in a dome shape.

5. The anti-toppling switch of claim 2, wherein: the utility model discloses a high-voltage power supply device, including first pin (9), second cavity (3) are provided with first support (17) and second support (18) in the position an organic whole in corresponding second cavity (3), one side that second support (18) was kept away from to first support (17) is equipped with draw-in groove (19), elasticity electrically conductive piece (8) include backing sheet (20) and set up on backing sheet (20) and downwardly extending's shell fragment (21), movable contact (11) set up in the one end of backing sheet (20), the other end joint of backing sheet (20) in draw-in groove (19), one end that backing sheet (20) was kept away from to shell fragment (21) and one side that first support (17) were kept away from to second support (18) offset, extrusion convex part (13) butt in backing sheet (20) upper portion.

6. The anti-toppling switch of claim 1, wherein: the shell (1) is also provided with a limiting part (22), and the limiting part (22) is arranged on one side of the movable contact (11) far away from the second pin (10) and is used for limiting the stroke of the movable contact (11).

7. The anti-toppling switch of claim 6, wherein: the limiting part (22) is protruding into the shell (1) and is of an integrated structure with the shell (1).

8. The anti-toppling switch of claim 6, wherein: the limiting part (22) is an artificial foot arranged on the shell (1), and an artificial foot contact (23) which is used for being matched with the movable contact (11) when the movable contact (11) leaves the fixed contact (12) is arranged at a position above the movable contact (11) corresponding to the limiting part (22).

9. The anti-toppling switch of claim 1, wherein: the first chamber (2) is in a shape with a big top and a small bottom.

10. The anti-toppling switch of claim 1, wherein: the shell (1) comprises a front cover (24) and a rear cover (25), and the front cover (24) and the rear cover (25) are detachably connected together through a plurality of buckles (26).