CN216213112U - Anti-toppling switch - Google Patents

Abstract

The utility model provides an anti-overturning switch, include by the left half casing and the right half casing to closing the casing that forms of connecting, and locate anti-overturning mechanism and the micro-gap switch subassembly in the casing, be formed with in the casing and be the epicoele that leaks hopper-shaped, and the cavity of resorption rather than being linked together, anti-overturning mechanism includes the heavy ball, but the heavy ball free activity is in the epicoele, the micro-gap switch subassembly includes micro-gap switch, and the depression bar, micro-gap switch transversely installs in the cavity of resorption, the depression bar includes the ramp plate, and erect the clamp plate, the tip still is equipped with the lug respectively about erecting the clamp plate, still be formed with two stoppers on micro-gap switch's the left surface, two stoppers are located the both sides of erecting the clamp plate respectively, and constitute the shift position to erecting the clamp plate with the bottom surface of cavity of resorption and prescribe a limit to, press down as the heavy ball the tip of ramp plate, micro-gap switch's push rod and make the internal circuit switch. The whole structure is simple, the use is safe and reliable, the size is small, the power supply control of different types of electric appliances can be adapted, and the transient performance is good.

Description

Anti-toppling switch

Technical Field

The utility model relates to an anti-toppling switch, and belongs to the technical field of electric appliance control switches.

Background

The anti-toppling switch is used for protecting various household appliances such as fan heaters, electric fans, electric oil heaters and the like and other appliances when toppling over. The existing anti-toppling switch adopts a microswitch of mature technology, the microswitch is vertically arranged in a housing, a contact of the microswitch is positioned at the upper part of a lower cavity, one end of a pressure plate is hinged in the middle of the housing, the other end of the pressure plate is connected with a tray, the tray is arranged in a cavity channel between an upper cavity and a lower cavity, a ball body is changed along with the position of a host, the tray is pressed down when the ball body falls into the cavity channel of the housing, and the tray moves down to drive the pressure plate to press down the contact of the microswitch along the hinged center of the tray to switch on a circuit; when the ball body is separated from the cavity of the shell, the tray is in a free state, and the on-off work of the microswitch, the power supply and the circuit is controlled through the pressure plate. However, in order to ensure the reliability of the action of the pressure plate, the position of the pressure plate is limited by the length of the tray and the spring which is arranged in the housing and is opposite to the contact on the micro switch, and the anti-toppling switch cannot be smaller in size due to more parts, so that the application of the anti-toppling switch to small household appliances is limited.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned disadvantages of the prior art, the present invention provides an anti-tipping switch with simple structure, safe and reliable operation and small volume.

The utility model adopts the technical scheme that the anti-toppling switch comprises a shell formed by connecting a left half shell and a right half shell in a folding way, and an anti-toppling mechanism and a micro switch assembly which are arranged in the shell, wherein a funnel-shaped upper cavity and a lower cavity communicated with the upper cavity are formed in the shell formed by connecting the left half shell and the right half shell in the folding way, the anti-toppling mechanism comprises a heavy ball, the heavy ball can freely move in the upper cavity, the micro switch assembly comprises a micro switch and a pressure lever, the micro switch is transversely arranged in the lower cavity, the pressure lever comprises an inclined pressure plate obliquely arranged between the upper cavity and the lower cavity and a vertical pressure plate which is bent and then acts with a push rod of the micro switch, the left end part and the right end part of the vertical pressure plate are respectively provided with a convex block, and the left side surface of the micro switch is also provided with two limiting blocks, the two limiting blocks are respectively positioned on two sides of the vertical pressing plate and form a limit for the moving position of the vertical pressing plate with the bottom surface of the lower cavity, and when the heavy ball presses down the end part of the inclined pressing plate, the vertical pressing plate presses down the push rod of the microswitch to conduct an internal circuit.

Adopt above-mentioned technical scheme's advantage: the heavy ball that sets up in the upper chamber contacts the back with the tip of ramp plate, drive perpendicular clamp plate and remove and push rod switch-on circuit who pushes down micro-gap switch, and do not push down the tip of ramp plate when heavy ball, then erect the clamp plate and do not contact with micro-gap switch's push rod at the initial position, make micro-gap switch break-off power's circuit, change along with the host computer position through heavy ball, realize the switching on of control micro-gap switch and power and circuit, the work of breaking, it uses the angle to be all-round, the snap-action of switching action is good, and micro-gap switch is horizontal, the product occupation space after the equipment is little, spacing block form on micro-gap switch, the installation of the depression bar of being convenient for, holistic installation effectiveness is high, overall structure is succinct, safe and reliable in utilization, can adapt to the power control of different model electrical apparatus.

Furthermore, the stopper all including connect in first limiting plate on the micro-gap switch left surface and connect in second limiting plate on the lower surface of the first limiting plate other end, still be formed with on the half left-hand casing with two that the lower chamber is linked together dodge the breach, second limiting plate cartridge in dodge in the breach.

Adopt above-mentioned technical scheme's advantage: through the cooperation of first limiting plate and cavity of resorption bottom surface for erect the clamp plate and can only do the straight line movement back and forth towards the push rod, guaranteed the stability that erects the clamp plate and remove, the setting of second limiting plate has formed the injecing to the position after erecting the clamp plate and reseing, and the switch is transient nature good, dodges the setting of breach, has avoided second limiting plate and the wall of left half casing to form and has interfered, and this cooperation structure has still improved the stopper at the fracture resistance of during operation to a certain extent simultaneously, and the life of product is higher.

Furthermore, supporting blocks are formed at corners of the lower cavity of the shell, the supporting blocks respectively act with the left side face of the micro switch, and the length of each supporting block is consistent with the distance between the second limiting plate and the micro switch.

Adopt above-mentioned technical scheme's advantage: the setting of supporting shoe improves the stability of micro-gap switch installation, prevents that the depression bar from taking place the emergence of half removal phenomenon towards the left half at the action in-process, has guaranteed that heavy ball when finishing or not acting on the inclined pressing plate of clamp plate, erects the clamp plate and is in initial position (erect the clamp plate and do not act on with the push rod), rational in infrastructure, use reliably.

Furthermore, a plurality of third limiting plates arranged at intervals are further formed on the bottom surface of the lower cavity, and the third limiting plates act on the bottom of the vertical pressing plate.

Adopt above-mentioned technical scheme's advantage: through the setting of third limiting plate to avoided perpendicular clamp plate bottom to lead to the fact perpendicular clamp plate to take place great displacement in vertical direction apart from the bottom surface of left half casing distance greatly, guaranteed the validity of ramp plate with heavy ball contact, the snap nature of switch action is good.

Furthermore, the right end face of the third limiting plate is a guide inclined plane convenient for the vertical pressing plate to be mounted and guided.

Adopt above-mentioned technical scheme's advantage: the formation of direction inclined plane, when the equipment, the perpendicular clamp plate of depression bar can not have the jamming with the spacing cooperation in-process of third limiting plate, and the installation is smooth, and efficiency is higher.

Furthermore, half casing on the left side is equipped with the fixture block respectively at top and bottom surface, the top and the bottom surface of half casing on the right side are equipped with corresponding buckle, the fixture block joint is in the buckle.

Adopt above-mentioned technical scheme's advantage: through the cooperation of fixture block and buckle, realized half detachable mounting of casing on the left side and half casing on the right side to be convenient for change inside micro-gap switch, easy maintenance.

Furthermore, the two sides of the middle position of the binding surface of the left half shell are provided with a pair of insertion posts, the corresponding position of the right half shell is correspondingly provided with a pair of insertion holes, and the insertion posts are matched with the insertion holes in an inserted manner.

Adopt above-mentioned technical scheme's advantage: through the cartridge cooperation of jack and inserted column, both compactedness after left half casing is assembled with right half casing has been improved.

Furthermore, the side surface of the vertical pressing plate is also provided with an abutting protrusion which is acted with the push rod of the micro switch.

Adopt above-mentioned technical scheme's advantage: the setting of conflict arch for the snap-action nature of switch is better.

Further, the width of the inclined pressing plate is smaller than that of the vertical pressing plate, and the inclined pressing plate is offset on one side of the vertical pressing plate.

Adopt above-mentioned technical scheme's advantage: the pressure lever has better strength, is not easy to deform and has better sensitivity.

The utility model has the beneficial effects that: the structure is succinct, uses safe and reliable, and is small, can adapt to the power control of different models electrical apparatus, and transient nature is good.

Drawings

FIG. 1 is an exploded view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram of the left half shell and the right half shell of the present invention;

FIG. 3 is a schematic view of the structure of the microswitch and the pressure lever of the present invention;

FIG. 4 is a side view of the compression bar construction of the present invention;

fig. 5 is an assembly view of the overall structure of the present invention.

In the figure: the device comprises a shell 1, a shell 2, a shell left, a shell right, a shell upper chamber 4, a cavity lower chamber 5, a heavy ball 6, a microswitch 7, a pressure lever 8, a pressure lever 9, a vertical pressure plate 10, a bump 11, a limit block 12, a first limit plate 13, a second limit plate 14, an avoidance notch 15, a support block 16, a third limit plate 17, a guide inclined plane 18, a block 19, a block 20, a buckle 21, an insertion column 22, an insertion hole 23, an interference protrusion 23 and a touch plate 24.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention and/or the technical solutions in the prior art, the following description will explain specific embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the utility model, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort. The term "orientation" merely means a relative positional relationship between the respective members, and does not mean an absolute positional relationship.

Referring to fig. 1 to 5, an anti-toppling switch comprises a housing 1 formed by connecting a left housing half 2 and a right housing half 3 in an involutive manner, and an anti-toppling mechanism and a micro switch assembly which are arranged in the housing 1, wherein a funnel-shaped upper chamber 4 and a lower chamber 5 communicated with the upper chamber are formed in the involutive connected housing 1, the anti-toppling mechanism comprises a heavy ball 6, the heavy ball 6 can freely move in the upper chamber 4, the micro switch assembly comprises a micro switch 7 and a pressure lever 8, the micro switch 7 is transversely arranged in the lower chamber 5, and the micro switch 7 is transversely arranged, so that the occupied space of an assembled product is small, and the purpose of adapting to power control of electric appliances of different models is achieved; the pressure lever 8 comprises an inclined pressure plate 9 obliquely arranged between the upper cavity 4 and the lower cavity 5 and a vertical pressure plate 10 which is bent and then acts with a push rod of the micro switch 7, wherein the width of the inclined pressure plate 9 is smaller than that of the vertical pressure plate 10, and the inclined pressure plate 9 is offset on one side of the vertical pressure plate 10.

In this embodiment, the left end and the right end of the vertical pressing plate 10 are respectively provided with a bump 11, the left side of the micro switch 7 is further provided with two limiting blocks 12, the two limiting blocks 12 are respectively located at two sides of the vertical pressing plate 10 and form a limitation on the moving position of the vertical pressing plate 10 with the bottom surface of the lower cavity 5, more specifically, the vertical pressing plate 10 only moves back and forth along with the movement of the inclined pressing plate 9 under the action of the limiting blocks 12 and the bottom surface of the lower cavity 5, the limiting blocks 12 can be matched with the bottom surface of the lower cavity 5 to limit the vertical pressing plate 10 when in use, and can be matched with the push rod to play a positioning and mounting role on the vertical pressing plate 10 when in assembly, so that the limiting blocks 12 are formed on the micro switch 7, and compared with the technology that the pressing plate 8 is assembled with the left half shell 2 through a limiting groove, the structure is more reasonable, the installation and positioning of the pressing plate 8 are facilitated, and the overall installation efficiency is also higher.

In this embodiment, the limiting blocks 12 each include a first limiting plate 13 connected to the left side surface of the micro switch 7, and a second limiting plate 14 connected to the lower surface of the other end of the first limiting plate 13, and the first limiting plate 13 is matched with the bottom surface of the lower cavity 5, so that the vertical pressing plate 10 can only make a back-and-forth linear movement towards the push rod, thereby ensuring the stability of the movement of the vertical pressing plate 10, the second limiting plate 14 is arranged to limit the position of the vertical pressing plate 10 after being reset, thereby ensuring the relative position of the vertical pressing plate 10 and the push rod, so that the switch has good instantaneous mobility, two avoidance notches 15 communicated with the lower cavity 5 are further formed on the left half shell 2, the second limiting plate 14 is inserted into the avoidance notches 15, the arrangement of the avoidance notches 15 avoids the second limiting plate 14 from interfering with the wall surface of the left half shell 2, and at the same time, the cooperation structure can also prevent the heavy ball 6 from acting, the phenomenon that first limiting plate 13 rocks from top to bottom takes place, has consequently improved stopper 7 at the fracture resistance of preventing at the during operation to a certain extent, and the life of product is higher.

In this embodiment, the supporting blocks 16 are formed at the corners of the lower cavity 5 of the housing 1, the supporting blocks 16 respectively act on the left side surface of the micro switch 7, that is, the supporting blocks 16 are formed at the corresponding positions of the left half housing 2, the length of the supporting blocks 16 is consistent with the distance from the second limiting plate 14 to the micro switch 7, and the supporting blocks 16 are arranged to improve the installation stability of the micro switch 7, prevent the micro switch 7 from moving towards the left half housing 2 during the action of the pressing rod 8, and ensure that the vertical pressing plate 10 is at the initial position (the vertical pressing plate 10 does not act on the push rod) when the heavy ball 6 is finished or does not act on the inclined pressing plate 9 of the pressing plate 8.

In this embodiment, still be formed with a plurality of third limiting plates 17 that the interval set up on the bottom surface of lower chamber 5, third limiting plate 17 is used with the bottom of erecting clamp plate 10, through the setting of third limiting plate 17 to avoided erecting clamp plate 10 bottom to lead to the fact perpendicular clamp plate 10 to take place great displacement in vertical direction apart from the bottom surface of the half casing 2 in the left side apart from too big, guaranteed the validity of ramp plate 9 with the contact of heavy ball 6, the transient nature of switching action is good.

In this embodiment, the right end face of the third limiting plate 17 is provided with a guiding inclined plane 18 for facilitating installation of the vertical pressing plate 10, after the pressing rod 8 is assembled with the microswitch 7, the pressing rod 8 acts on the vertical pressing plate 10 and the first limiting plate 13 to be limited to continue the movement moving in the direction, but the hidden trouble of moving in the direction away from the first limiting plate 13 exists, so that the guiding inclined plane 18 is formed, and when the microswitch is assembled, the vertical pressing plate 10 can be prevented from being stuck at the connecting position of the third limiting plate 17 and the bottom surface of the left half shell 2, so that the installation is smooth, and the efficiency is higher.

In this embodiment, half shell 2 on the left side is equipped with fixture block 19 respectively at top and bottom surface, and half shell 3 on the right side's top and bottom surface are equipped with corresponding buckle 20, and fixture block 19 joint has realized half shell 2 on the left side and half shell 3 on the right side's demountable installation through fixture block 19 and buckle 20's cooperation to be convenient for change inside micro-gap switch 7, easy maintenance.

In this embodiment, a pair of insertion posts 21 are disposed on two sides of the middle position of the bonding surface of the left half shell 2, a pair of insertion holes 22 are correspondingly disposed at the corresponding position of the right half shell 3, the insertion posts 21 are in insertion fit with the insertion holes 22, and the tightness between the left half shell 2 and the right half shell 3 after assembly is improved by the insertion fit between the insertion holes 22 and the insertion posts 21.

In this embodiment, the side surface of the vertical pressing plate 10 is further provided with an interference protrusion 23 which interacts with the push rod of the micro switch 7, and the interference protrusion 23 can be an arc protrusion or a V-shaped protrusion, so that the anti-toppling switch has better transient property.

In the embodiment, an included angle α between the vertical pressing plate 10 and the inclined pressing plate 9 is 95-110 °, if the included angle α between the vertical pressing plate 10 and the inclined pressing plate 9 is 105 °, an upwardly inclined contact plate 24 is further disposed at an end of the inclined pressing plate 9, an included angle β between the contact plate 24 and the inclined pressing plate 9 is 145-160 °, and an end surface of the contact plate 24 is V-shaped.

The working principle is as follows: when the main machine inclines in any direction, the heavy ball 6 inclines towards the corresponding side of the shell 1 along with the gravity of the main machine, when the heavy ball 6 is separated from the inclined pressing plate 9 of the pressing rod 8, the contact inside the microswitch 7 is disconnected under the action of the spring, the popularization and the vertical pressing plate 10 are reset, and the power supply or circuit disconnection action is completed. When the main machine is not inclined, the heavy ball 6 presses on the end part of the inclined pressing plate 9 of the pressing rod 8 along with the gravity of the main machine, and drives the vertical pressing plate 10 to move forwards and press on the push rod of the micro switch 7, and under the action of the push rod, the internal contact of the micro switch 7 is conducted, and the conduction action of a power supply or a circuit is completed.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims (9)

1. The utility model provides an anti-overturning switch, includes by left half casing (2) and right half casing (3) to closing casing (1) that is formed by connecting and locating anti-overturning mechanism and micro-gap switch subassembly in casing (1) are closed to be connected and are formed be formed in casing (1) be formed with be the epicoele (4) of leaking hopper-shaped and rather than lower chamber (5) that are linked together, its characterized in that: the anti-toppling mechanism comprises a heavy ball (6), the heavy ball (6) can freely move in the upper cavity (4), the micro switch assembly comprises a micro switch (7) and a pressing rod (8), the micro switch (7) is transversely arranged in the lower cavity (5), the pressing rod (8) comprises a slant pressing plate (9) which is obliquely arranged on the upper cavity (4) and between the lower cavity (5) and a vertical pressing plate (10) which is bent and then acts with a push rod of the micro switch (7), the left end part and the right end part of the vertical pressing plate (10) are respectively provided with a convex block (11), the left side surface of the micro switch (7) is further provided with two limit blocks (12), the two limit blocks (12) are respectively arranged on the two sides of the vertical pressing plate (10) and form a pair with the bottom surface of the lower cavity (5) to limit the moving position of the vertical pressing plate (10), when the heavy ball (6) presses down the end part of the inclined pressing plate (9), the vertical pressing plate (10) presses down the push rod of the microswitch (7) to conduct an internal circuit.

2. An anti-tip switch according to claim 1, wherein: stopper (12) all including connect in first limiting plate (13) on micro-gap switch (7) left surface and connect in second limiting plate (14) on the lower surface of first limiting plate (13) other end, still be formed with on half left side shell (2) with two that lower chamber (5) are linked together dodge breach (15), second limiting plate (14) cartridge in dodge in breach (15).

3. An anti-tip switch according to claim 2, wherein: supporting blocks (16) are formed at corners of the lower cavity (5) of the shell (1), the supporting blocks (16) respectively act with the left side face of the microswitch (7), and the length of each supporting block (16) is consistent with the distance from the second limiting plate (14) to the microswitch (7).

4. An anti-tip switch according to claim 2, wherein: a plurality of third limiting plates (17) arranged at intervals are further formed on the bottom surface of the lower cavity (5), and the third limiting plates (17) are acted with the bottom of the vertical pressing plate (10).

5. An anti-tip switch according to claim 4, wherein: the right end face of the third limiting plate (17) is provided with a guide inclined plane (18) which is convenient for the vertical pressing plate (10) to be installed and guided.

6. An anti-tip switch according to claim 1, wherein: the left half shell (2) is provided with a clamping block (19) at the top and the bottom surface respectively, the top and the bottom surface of the right half shell (3) are provided with corresponding buckles (20), and the clamping block (19) is clamped in the buckles (20).

7. An anti-tip switch according to claim 1, wherein: the both sides of binding face middle part position department of left half casing (2) are equipped with a pair of post (21) of inserting, right half casing (3) relevant position department correspondence is equipped with a pair of jack (22), insert post (21) with jack (22) cartridge cooperation.

8. An anti-tip switch according to claim 1, wherein: and the side surface of the vertical pressing plate (10) is also provided with an interference bulge (23) which is acted with the push rod of the microswitch (7).

9. An anti-tip switch according to claim 1, wherein: the width of the inclined pressing plate (9) is smaller than that of the vertical pressing plate (10), and the inclined pressing plate (9) is offset on one side of the vertical pressing plate (10).

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