CN215644259U - Switch device - Google Patents

Abstract

The utility model discloses a switch device, which comprises a bottom shell, a front panel and a limiting mechanism, wherein the limiting mechanism comprises a limiting piece and a positioning structure, and the limiting piece moves between a first station for resisting the front panel and a second station for avoiding the front panel; the locating structure can fix the limiting piece on the first station; when the limiting piece is positioned at the first station, the front panel is in a locking state; when the limiting part is located at the second station, the front panel is located in the unlocking state. The switch device can realize a normal working mode, a normally-off working mode or a normally-on working mode, thereby enabling the electronic equipment to be in a long-term power-on state, normally switching a circuit and maintaining the circuit in the normally-off state.

Description

Switch device

Technical Field

The present invention relates to the field of mechanical switch technologies, and in particular, to a switch device capable of maintaining a circuit in a normally off state.

Background

In public places, wall switches are generally exposed in positions accessible to human hands. However, the wall switch in the current market only has the function of switching on and switching off the circuit, and when people touch the switch button by accident or children curiously play with the button, the working state of the switch can be changed, so that sudden power off or sudden power on is caused, and further unnecessary troubles and influences are brought.

Further, the conventional switch does not have a mode of maintaining a short circuit, and thus cannot keep the circuit in an open state for a long time, which is disadvantageous to circuit maintenance and the like.

Therefore, how to add a function of stably maintaining a circuit in a normally off state or a normally on state to a conventional switch having an on circuit or an off circuit is an important technical problem for developers.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a switch device, which can have a normally-on mode, a normally-off mode and a common switch mode through the matching work of a bottom shell, a front panel and a limiting mechanism, and further can enable a circuit to stably maintain the normally-on state or the normally-off state. In addition, the switch device also has the advantages of convenient operation of switching the working modes, more stable working modes and the like.

Other objects and advantages of the present invention will be further understood from the technical features disclosed in the present invention.

One aspect of the utility model provides the following technical scheme:

a switch device comprises a bottom shell with a mounting cavity and a front panel arranged on the bottom shell, wherein the front panel is provided with an unlocking state and a locking state, the unlocking state can move relative to the bottom shell in a reciprocating mode to switch a switch state, the locking state is limited to a preset position in the reciprocating motion, a limiting mechanism is arranged in the mounting cavity, and the limiting mechanism comprises: the limiting part is provided with an installation part and a limiting part, the limiting part is connected to the outer edge of the installation part and forms an included angle with the installation part, and the installation part is rotatably installed on the side wall of the installation cavity and drives the limiting part to move between a first station and a second station; the positioning structure is used for fixing the limiting part on the first station; when the limiting part is fixed on the first station by the positioning structure, the limiting part abuts against the front panel to limit the front panel at the preset position, so that the front panel is in the locking state; when the limiting part is located at the second station, the limiting part avoids the front panel, so that the front panel is in the unlocking state.

In some embodiments, the mounting cavity has a mounting hole on a side wall thereof, the mounting portion is circumferentially rotatably mounted in the mounting hole, and the limiting portion extends out of the mounting hole.

In some embodiments, the mounting hole is provided with a first sliding portion on an inner peripheral surface thereof, and the mounting portion is provided with a second sliding portion on an outer peripheral surface thereof, the first sliding portion being matched with the second sliding portion for circumferentially rotatably mounting the mounting portion in the mounting hole.

In some embodiments, the mounting portion penetrates through the mounting hole, a head portion of the mounting portion is exposed to an outer side wall of the mounting cavity, an operation groove is formed in the head portion, and a tail portion of the mounting portion is connected with the limiting portion.

In some embodiments, the positioning structure comprises two positioning protrusions, and the two positioning protrusions are arranged on the inner side wall of the installation cavity at intervals; when the limiting part is clamped between the two positioning bulges, the limiting part is fixed at the first station.

In some embodiments, the limiting mechanism further comprises a receiving groove, and the receiving groove is arranged on the side wall of the mounting cavity; when the limiting part is positioned at the second station, the limiting part is contained in the containing groove.

In some embodiments, the switch device further comprises a toggle block, the toggle block is arranged in the mounting cavity in a swinging mode, and the front panel is detachably mounted on the toggle block.

In some embodiments, a switch pressing plate is arranged in the mounting cavity, and the poking block is inserted on the switch pressing plate in a swinging mode.

In some embodiments, a swing groove and a support wall are arranged on the switch pressure plate, the top of the toggle block is rotatably mounted on the support wall, and the bottom of the toggle block is swingably inserted in the swing groove.

In some embodiments, a seesaw is disposed within the mounting cavity, the seesaw being rotatably mounted within the mounting cavity.

The switch device can enable the switch device to have a plurality of working modes such as a common switch mode, a normally-off mode or a normally-on mode and the like through the matching of the bottom shell, the front panel and the limiting mechanism, so that the electronic equipment can be constantly maintained in the normally-off state or the normally-on state; particularly, the switch device can enable the circuit to stably maintain a power-off state, so that the safety of circuit maintenance is improved; in addition, the switch device also has the advantages of convenient operation of switching the working modes, more stable working modes and the like.

Drawings

Fig. 1 is an exploded view of the switching device according to the present invention.

Fig. 2 is a top view of the switch device of the present invention with the front panel removed.

Fig. 3 is a schematic view of the switching device of the present invention in a normally-off mode or a normally-on mode, wherein the front panel is in a locked state.

Fig. 4 is a schematic view of the switching device of the present invention in a normal switching mode in which the front panel is in an unlocked state.

The reference numbers in the above figures are as follows:

1 bottom shell 2 limiting mechanism

3 front panel 11 switch pressing plate

12 shifting block 21 limiting piece

22 positioning structure 23 containing groove

41 operating groove 42 indicating mark

101 installation cavity 102 containing cavity

103 mounting hole 111 swing groove

112 support wall 211 mounting section

212 position-limiting part 213 first sliding part

214 second sliding part 215 slider

Side part of 1021 cavity of 216 sliding groove

1022 Cavity bottom 104 communication groove

Detailed Description

The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the utility model may be practiced. The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention. In addition, the embodiments described in the detailed description are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Fig. 1 is an exploded view of a switching device according to the present invention, fig. 2 is a plan view of the switching device according to the present invention with a front panel removed, fig. 3 is a schematic view of the switching device according to the present invention in a normally-off mode or a normally-on mode, and fig. 4 is a schematic view of the switching device according to the present invention in a normal switching mode. In fig. 3, the limiting element 21 is in the first position, and accordingly the front panel 3 is in the locked state. Whereas in fig. 4 the stop 21 is in the second position, correspondingly the front panel 3 is in the unlocked state.

As shown in fig. 1, 2, 3 and 4, the present invention provides a switch device having a bottom case 1 and a front panel 3.

Referring to fig. 1 and 2, the front panel 3 is disposed on the bottom case 1, and the front panel 3 has an unlocking state capable of reciprocating relative to the bottom case 1 to switch an on-off state and a locking state fixed at a predetermined position during the reciprocating motion. The bottom shell 1 is provided with a mounting cavity 101, and a limiting mechanism 2 is arranged in the mounting cavity 101.

Referring to fig. 3 and 4, the limiting mechanism 2 includes a limiting member 21 and a positioning structure 22. Wherein locating part 21 has installation department 211 and spacing portion 212, spacing portion 212 connect in the outer fringe of installation department 211 and with installation department 212 is an contained angle, installation department 212 rotatably install in on the installation cavity 101 lateral wall and drive spacing portion 212 keeps out the first station of front panel 3 with dodge move between the second station of front panel 3. The positioning structure 22 is used for fixing the limiting portion 212 to the first station.

When the limiting part 212 is at the first station, the limiting mechanism 2 limits the front panel 3 at the preset position, and the front panel 3 is in the locking state; when the position limiting portion 212 is at the second station, the position limiting mechanism 2 is kept at a position avoiding the front panel 3, and the front panel 3 is in the unlocked state.

Specifically, when the front panel 3 is fixed at the preset position, the switching device is stably maintained in a power-on state or a power-off state. In other words, when the front panel 3 is at the preset position, the switching device is maintained in a normally-off mode or a normally-on mode.

Therefore, the switch device can lock the front panel 3 by using the limiting mechanism 2, so that the switch device can be stably kept in a power-on state or a power-off state, namely, a normally-on mode or a normally-off mode of the switch device can be realized. At this time, even if a touch or an operation is erroneously made on the front panel 3, the switching state of the switching device is not changed.

As shown in fig. 1 and 2, in order to switch the switch state through the front panel 3, other mating components are disposed in the installation cavity 101. For example, in the present embodiment, a switch pressing plate 11, a toggle block 12 and a seesaw are disposed in the mounting cavity 101.

As shown in fig. 3 and 4, the switch pressing plate 11 is disposed in the mounting cavity 101. Referring to fig. 1, 2, 3 and 4, in the present embodiment, the installation cavity 101 has a stepped structure, and the switch pressing plate 11 is supported by the stepped structure. In other embodiments, the switch pressure plate 11 can be mounted or fixed by other means, such as a snap fit or a bolt.

In this embodiment, the top of the mounting cavity 101 has a receiving cavity 102 for receiving the front panel 3, and the receiving cavity 102 has a cavity bottom 1022 and a cavity side 1021 adjacent to each other. The cavity side 1021 is provided with a mounting hole 103.

As shown in fig. 1 and 2, the switch pressing plate 11 is provided with a swing groove 111 and two supporting walls 112. The swing groove 111 penetrates through the switch pressing plate 11, and the two support walls 112 are located on two opposite sides of the swing groove 111.

As shown in fig. 1 and 2, the toggle block 12 is disposed on the switch pressing plate 11, and the toggle block 12 can reciprocally swing with respect to the switch pressing plate 11. In other words, the toggle block 12 can be rotatably mounted in the mounting cavity 101 by the switch pressing plate 11.

With further reference to fig. 2, 3 and 4, the top of the paddle 12 is rotatably mounted to the support wall 112. The bottom of the dial block 12 is swingably passed through the swing groove 111 and contacted with a seesaw also provided in the mounting chamber 101. In practical implementation, the dial block 12 may be mounted to the supporting wall 112 through a rotating pair such as a rotating shaft or a latch.

In an implementation, the seesaw may be rotatably mounted to the inner bottom surface of the mounting cavity 101 by a rotating member. When the seesaw is driven to reciprocate towards two sides, the power-on state of the switch device can be changed, and the switch device can be driven to be switched between the power-on state and the power-off state.

As mentioned above, the bottom of the toggle block 12 is in contact with the seesaw, so that the seesaw can be driven by the reciprocating swing of the toggle block 12 to reciprocate towards two sides, thereby realizing the function of switching the on-off state. In short, the purpose of switching the switch state can be achieved by adjusting the reciprocating motion state of the toggle block 12.

As shown in fig. 3 and 4, the front panel 3 is fastened to the mounting cavity 101 and is fixedly connected to the moving block 12. With such an arrangement, the front panel 3 can drive or follow the toggle block 12 to reciprocate.

Further, in combination with the structure of the dial 12, the switching state of the switch device can be switched by adjusting or pressing the front panel 3. In addition, the front panel 3 can also seal the whole installation cavity 101, so as to achieve the purpose of packaging the switch device.

Referring to fig. 3 and 4 together, in the present embodiment, the reciprocating motion of the front panel 3 is in the form of deflection along the left and right sides of the dial block 12 as shown in fig. 3 and 4. Of course, in other embodiments, the front panel 3 can be vertically moved up and down relative to the switch pressing plate 11, and the like.

In practical implementation, the front panel 3 may be connected to the top surface of the toggle block 12 through a connection leg, a hook, or a slot disposed on the bottom surface thereof. Through adopting detachable mounting means, can be to switching device's spare part is replaced, the increase of service life.

Referring to fig. 3 and 4 together, in the present embodiment, the side of the front panel 3 facing the installation cavity 101 further has a front panel sidewall 31. By providing the front panel side wall 31, the sealing performance of the entire switchgear is further improved. When the front panel 3 reciprocates relative to the bottom case 1, the front panel sidewall 31 may be received in the receiving cavity 102.

Referring to fig. 1, 3 and 4 together, the front panel side wall 31 is provided along an edge of the front panel 3. In the present embodiment, the front panel side wall 31 is specifically arranged inside the edge of the front panel. The arrangement is such that the opening of the front panel 3 always covers the receiving cavity 102.

As shown in fig. 3 and 4, the limiting mechanism 2 is disposed in the installation cavity 101 and includes a limiting member 21 and a positioning structure 22. The front panel 3 can be fixed or limited at the preset position by arranging the limiting mechanism 2, so that the switch device is kept in a power-off state or a power-on state. In this case, even if the user inadvertently touches or operates the front panel 3, the switching state of the switching device does not change.

As shown in fig. 1 and 2, the limiting mechanism 2 includes a limiting member 21 and a positioning structure 22.

Referring to fig. 3 and 4, the limiting member 21 includes an installation portion 211 and a limiting portion 212.

With further reference to fig. 3 and 4, the mounting portion 211 is circumferentially rotatably mounted in the mounting hole 103.

Referring to fig. 3 and 4, an inner circumferential surface of the mounting hole 103 is provided with a first sliding portion 213, an outer circumferential surface of the mounting portion 211 is provided with a second sliding portion 214, and the first sliding portion 213 and the second sliding portion 214 are matched such that the mounting portion 211 is circumferentially rotatably disposed in the mounting hole 103.

Referring to fig. 3 and 4, in the present embodiment, the first sliding portion 213 is a sliding block 215 disposed on the inner circumferential surface of the mounting hole 103, and the second sliding portion 214 is disposed on a sliding groove 216 disposed on the outer circumferential surface of the mounting portion 211. The slider 215 extends into the slide groove 216. In other embodiments, the first sliding portion 213 may be arranged in a sliding groove structure, and the second sliding portion 214 may be provided in a sliding block structure.

Referring to fig. 3 and 4, the mounting portion 211 penetrates the mounting hole 103, a head portion of the mounting portion 211 is exposed to an outer side wall of the mounting cavity 101, and a tail portion of the mounting portion 211 is connected to the limiting portion 212.

Referring to fig. 3 and 4, the limiting portion 212 is connected to an outer edge of the mounting portion 211 and forms an included angle with the mounting portion 211, and the limiting portion 212 is driven by the mounting portion 211 to move between a first station and a second station.

Referring to fig. 3 and 4, the limiting portion 212 extends out of the mounting hole 13.

As shown in fig. 3, when the position-limiting portion 212 is at the first station, the position-limiting portion 212 extends into the accommodating cavity 102 and can abut against the front panel sidewall 31. As shown in fig. 4, when the position-limiting portion 212 is at the first station, the position-limiting portion 212 is retracted from the front panel sidewall 31. More specifically, the switching of the working positions of the position-limiting portion 212 can make the position-limiting portion 212 be located on or away from the movement path of the front panel 3.

As shown in fig. 1 and fig. 2, the positioning structure 22 is disposed on an inner wall of the installation cavity 101, and is used for fixing the limiting portion 212 to the first station. More specifically, the positioning structure 22 can fix the position of the position-limiting portion 212, and at this time, the position-limiting portion 212 is fixed at a position that can abut against the front panel sidewall 31, so that the front panel 3 can be kept at the predetermined position.

Referring to fig. 1, 3 and 4, the limiting mechanism 2 further includes an accommodating groove 23, and the accommodating groove 23 is disposed on a side wall of the mounting cavity 101 and is used for accommodating the limiting portion 212 at the second station.

For example, referring to fig. 1, fig. 3 and fig. 4, in the present embodiment, the receiving slot 23 is disposed on the cavity bottom 1022 of the receiving cavity 102 and penetrates through the thickness of the cavity bottom 1022. Referring to fig. 4, when the position-limiting portion 212 is at the second station, the position-limiting portion 212 is located in the accommodating groove 23.

In this embodiment, the retaining member 21 can be better retained by disposing the retaining groove 23. However, in other embodiments, other receiving structures may be configured, and of course, the dimensions of the front panel 3, the limiting member 21 and the receiving cavity 102 may also be configured reasonably, so as to achieve the purpose of making the limiting member 21 completely avoid the front panel 3 at the second station.

Referring to fig. 1, 3 and 4, the limiting mechanism 2 further includes a communicating groove 104. The communicating groove 104 is disposed on the side wall of the mounting cavity 101 and communicated with the positioning groove 23, so that the limiting member 21 is more convenient to assemble. Referring to fig. 1, the positioning structure 22 includes two positioning protrusions, and the positioning protrusions are disposed on the cavity side 1021 of the accommodating cavity 102 at intervals. When the limiting member 21 is clamped between two adjacent positioning protrusions, the limiting portion 212 is fixed to the first station.

Referring to fig. 2, in the present embodiment, the positioning protrusion is a hemispherical structure. So set up, make the locating part 21 get into between the location arch more easily.

Referring to fig. 2, in the present embodiment, the positioning protrusions and the positioning grooves 23 are located on two opposite sides of the mounting hole 103 in the vertical direction. In practical implementation, the position of the position limiting member 21 can be switched by rotating the position limiting member 21 by 180 ℃.

Referring to fig. 3 and 4, in order to more easily switch the position of the position limiting member 21, the switch device further includes an operation slot 41 for performing a station switching operation on the position limiting mechanism 2 and an indication mark 42 for indicating the switching operation.

The operation slot 41 is provided on a head portion of the mounting portion 211. As mentioned above, since the head of the mounting portion 211 is exposed to the outer side wall of the mounting cavity 101, in specific implementation, the operating slot 41 can directly switch the working position of the limiting mechanism 2 without disassembling the switch device, which is advantageous in simplicity and convenience.

The indication mark 42 includes a first mark provided on the mounting portion 211 and a second mark provided on an outer sidewall of the mounting cavity 101. When the first mark and the second mark are in a preset corresponding state, the limiting part 212 is located at the first station. By means of the arrangement, the operation of station switching can be clearly indicated, and the station state of the limiting member 21 can be more clearly indicated.

In a specific implementation, the first mark may be directly the operation slot 41, and the second mark is a protruding structure.

In some embodiments, the switching device may further comprise a reset mechanism 5 (not shown in the figures). The reset mechanism 5 is configured to be selectively coupled to the front panel 3. In more detail, the reset mechanism 5 can selectively provide the front panel 3 with a reset force that always resets the front panel 3 to the power-on state in the reciprocating motion.

When the front panel 3 is in the unlocked state and the reset mechanism 5 is coupled to the front panel 3, the reset mechanism 5 provides a reset force to the front panel 3 that causes the front panel 3 to always reset to a powered state in the reciprocating motion.

Specifically, the reset mechanism 5 is disposed in the installation cavity 101. In specific implementation, a placing groove is arranged on the switch pressing plate 11, and the reset mechanism 5 can be arranged in the placing groove.

As a preferred embodiment, the reset mechanism 5 includes an elastic member, a cover body and a positioning member. The elastic piece is vertically arranged in the placing groove, and the positioning piece is arranged on the side wall of the placing groove. The cover body is arranged on the top of the elastic piece and supported by the elastic piece, and the cover body moves between a third station and a fourth station. The third station is that the cover can be coupled to the front panel 3 to provide a reset force to the front panel 3 to always reset the front panel 3 to a powered-up state, when the switch device is in a flash mode. The fourth station is a position where the cover body is locked by the positioning piece and is far away from the front panel 3, and at this time, the switch device can be in any one of a normal switch mode, a normally-off mode or a normally-on mode.

Of course, in other embodiments, the reset mechanism 5 may further include an elastic member and an adjusting member. The elastic piece is rotatably installed in the installation groove through the adjusting piece. In practical implementation, the working position state of the elastic member can be adjusted through the adjusting member, so that the elastic member is selectively coupled to the front panel 3, and the reset force can be selectively provided for the front panel 3.

The switching device of the present invention has a plurality of operation modes, such as the normally-off mode or the normally-on mode, or the normal switching mode.

Referring to fig. 3, in the normally-off mode or the normally-on mode: the limiting mechanism 2 fixes the front panel 3 at the preset position, that is, the front panel 3 is in a locking state, and the switching state of the switching device is stably maintained. In this mode, even if the manipulation or contact occurs to the front panel 3, the switch state can be stably maintained.

Referring to fig. 4, in the normal switching mode: the limiting mechanism 2 avoids the front panel 3, and the front panel 3 can do reciprocating motion. In this mode, the switching device can be switched to the on-off state by applying an operation to the front panel 3.

Of course, the switching device may also have a flashing mode when it is provided with a reset mechanism 5. For example, when the limiting mechanism 2 is retracted from the front panel 3 and the reset mechanism 5 is coupled to the front panel 3, the reset mechanism 5 may always return the front panel 3 to the power-on state. In this mode, even if the front panel 3 is manipulated or touched, the switch state can be quickly returned to the power-on state.

The present invention has been described in detail, and the principle and the implementation of the present invention are explained by applying specific examples, and the description of the above examples is only used to help understanding the technical scheme and the core idea of the present invention; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A switch device comprises a bottom shell with a mounting cavity and a front panel arranged on the bottom shell, wherein the front panel has an unlocking state and a locking state, the unlocking state can reciprocate relative to the bottom shell to switch a switch state, and the locking state is limited at a preset position in the reciprocating motion, and the switch device is characterized in that: be provided with stop gear in the installation cavity, stop gear includes:

the limiting part is provided with an installation part and a limiting part, the limiting part is connected to the outer edge of the installation part and forms an included angle with the installation part, and the installation part is rotatably installed on the side wall of the installation cavity and drives the limiting part to move between a first station and a second station;

the positioning structure is used for fixing the limiting part on the first station; wherein the content of the first and second substances,

when the limiting part is fixed on the first station by the positioning structure, the limiting part abuts against the front panel to limit the front panel at the preset position, so that the front panel is in the locking state; when the limiting part is located at the second station, the limiting part avoids the front panel, so that the front panel is in the unlocking state.

2. The switchgear of claim 1, wherein the side wall of the mounting chamber has a mounting hole, the mounting portion is circumferentially rotatably mounted in the mounting hole, and the limiting portion extends out of the mounting hole.

3. The switchgear as claimed in claim 2, wherein the mounting hole is provided at an inner peripheral surface thereof with a first sliding portion, and the mounting portion is provided at an outer peripheral surface thereof with a second sliding portion, the first sliding portion being matched with the second sliding portion for circumferentially rotatably mounting the mounting portion in the mounting hole.

4. The switchgear as claimed in claim 2, wherein the mounting part extends through the mounting hole, a head of the mounting part is exposed to an outer side wall of the mounting cavity, and an operation groove is provided on the head, and a tail of the mounting part is connected to the stopper.

5. The switching device as claimed in claim 1, wherein the positioning structure comprises two positioning protrusions, and the two positioning protrusions are arranged on the inner side wall of the mounting cavity at intervals;

when the limiting part is clamped between the two positioning bulges, the limiting part is fixed at the first station.

6. The switching device according to claim 1, wherein the limiting mechanism further comprises a receiving groove disposed on a sidewall of the mounting cavity;

when the limiting part is positioned at the second station, the limiting part is contained in the containing groove.

7. The switch device of claim 1, further comprising a paddle block swingably disposed within the mounting cavity, wherein the front panel is removably mounted to the paddle block.

8. The switching device as claimed in claim 7, wherein a switch pressing plate is provided in the installation cavity, and the dial block is swingably inserted on the switch pressing plate.

9. The switching device as claimed in claim 8, wherein a swing groove and a support wall are provided on the switch pressing plate, a top portion of the toggle block is rotatably mounted on the support wall, and a bottom portion of the toggle block is swingably inserted in the swing groove.

10. The switching device according to claim 1, wherein a rocker is provided in the mounting chamber, the rocker being rotatably mounted in the mounting chamber.

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