TWI450292B - Switch apparatus - Google Patents

Description

Switching device

The present invention relates to a switch device, and more particularly to a switch device for preventing erroneous operation.

Currently, switches are commonly used in a variety of automation equipment, and sliding switches are particularly common. Sliding switches typically include a push button that can be turned on or off simply by pushing the push button. Although the conventional switch push button is convenient to operate, there is a safety hazard. For example, during use, the user may easily operate the switch push button to turn the device on or off, causing damage to the device or a huge loss of data. In addition, if the equipment is a highly dangerous electric device such as an electric drill or an electric screwdriver, it may accidentally injure the person/other due to misoperation. Therefore, the conventional sliding switch is not conducive to the safety requirements in the development of automation equipment.

In view of this, it is necessary to provide a switching device that prevents erroneous operation.

A switch device includes a cover, a push button and a lock. The cover is restrained between the push button and the lock. The push button is engaged with the lock through the cover, and the push button can slide on the cover relative to the cover and drive the lock to move relative to the cover. The cover body includes a receiving cavity, and the push button includes a through hole. The switch device further includes a lock body, a first magnetic element disposed on the lock body, and a second magnetic element disposed on the cover body. The lock body passes through the through hole of the push button and the receiving cavity of the cover body, and is engaged with the cover body by the interaction force between the first magnetic element and the second magnetic element to limit the sliding of the push button, and The lock body can be rotated relative to the push button under the action of an external force to release the restriction on the push button.

Compared with the prior art, the switch device of the present invention limits the sliding of the push button by rotating the lock body and utilizing the magnetic principle of the magnetic element, thereby preventing the loss caused by the erroneous operation of the push button, and achieving the safety guarantee during the development of the automation device. Claim.

Referring to FIG. 1 and FIG. 2 simultaneously, the switch device 100 includes a cover 10, a push button 20, a lock 30, and a lock body 40. The cover 10 is limited between the push button 20 and the lock 30. The push button 20 is engaged with the lock 30 through the cover 10, and the push button 20 is slidable relative to the cover 10 on the cover 10 by an external force. The lock fastener 30 is placed on the cover body 10 under the engagement of the push button 20, and can be slid relative to the cover body 10 by the push button 20. The lock body 40 is sequentially engaged with the cover body 10 through the push button 20 and the cover body 10, and the push button 20 can be restricted from sliding. The lock body 40 can also rotate relative to the push button 20 under the action of an external force to release the restriction on the push button 20.

The switch device 100 further includes a first magnetic element 50 disposed on the lock body 40, a second magnetic element 60 disposed on the cover 10, a blocking member 70, and an elastic member 80. Both the blocking member 70 and the elastic member 80 are connected to each other and slidably received on the cover body 10. The blocking member 70 is partially located between the lock body 40 and the lock 30, and its sliding direction on the cover 10 is perpendicular to the sliding direction of the push button 20 with respect to the cover 10. The lock body 40 can be prevented from sliding by the interaction force between the first magnetic element 50 and the second magnetic element 60 on the cover body 10, and can be further prevented by the blocking member 70 and the elastic member 80. The push button 20 slides.

Referring to FIG. 3 and FIG. 4 simultaneously, the cover body 10 includes a rectangular parallelepiped upper and lower housings 120 and 140, and a hollow limiting portion 101 and a receiving cavity extending through the upper and lower housings 120 and 140. 106. In the present embodiment, the length and width of the lower casing 140 are both smaller than the length and width of the upper casing 120, and the lower casing 140 is disposed at a central position of the lower surface of the upper casing 120. In other embodiments, the length and width of the lower casing 140 may also be equal to the length and width of the upper casing 120, that is, the cover body 10 is a rectangular parallelepiped as a whole.

The upper housing 120 includes a first surface 102 facing away from the lower housing 140 and a receiving portion 104 formed on the first surface 102. The accommodating portion 104 is formed to be recessed inward from the first surface 102. The accommodating portion 104 is for accommodating the push button 20, and the push button 20 is slidable on the bottom portion 105 of the accommodating portion 104.

The lower housing 140 includes a second surface 103 facing away from the upper housing 120 and a receiving portion 107 disposed on the second surface 103. The accommodating portion 107 is recessed inward from the second surface 103. The accommodating portion 107 is for accommodating the lock 30.

The stopper portion 101 and the accommodating chamber 106 are formed on the lid body 10 at intervals and penetrate the accommodating portion 104 and the accommodating portion 107. The length of the bottom portion 130 of the receiving portion 107 is greater than the sum of the length of the limiting portion 101 and the length of the receiving cavity 106, and the width of the bottom portion 130 of the receiving portion 107 is greater than the sum of the width of the limiting portion 101 and the width of the receiving cavity 106. . In the present embodiment, the limiting portion 101 is a rectangular hollow body, and the receiving cavity 106 is an elliptical hollow body, and a line where the center of the limiting portion 101 and the center of the receiving cavity 106 are co-located is parallel to the sliding direction of the push button 20.

An elliptical annular convex portion 108 surrounding the receiving cavity 106 is convexly formed on the bottom portion 130 of the accommodating portion 107, and the long axis of the convex portion 108 is placed along the sliding direction of the push button 20. A groove 110 for receiving the second magnetic member 60 is formed on the annular surface of the boss portion 108. In this embodiment, the number of the grooves 110 is six, wherein the two grooves are symmetrically disposed in the middle of the two curved faces of the boss portion 108, and the other four grooves are symmetrically disposed in the pair. Two end faces between the two curved faces, and each pair of grooves are respectively adjacent to the two curved faces.

A side wall 109 parallel to the sliding direction of the push button 20 is recessed inwardly with two adjacent arcuate positioning grooves 112 for positioning the lock 30. The positioning groove 112 extends inwardly from the second surface 103 to the bottom portion 130 of the receiving portion 107. A receiving groove 111a is defined in the side wall 109. The receiving groove 111a is formed inwardly from the surface of the side wall 109. A receiving groove 111b is formed on the side of the receiving cavity 106 facing the receiving groove 111a. The receiving groove 111b is recessed inwardly from the surface of the receiving cavity 106 side. The receiving groove 111a and the receiving groove 111b are used for accommodating the blocking member 70. Elastic member 80.

A guiding through hole 113 penetrating the side wall is defined in a side wall of the receiving portion 107 perpendicular to the sliding direction of the push button 20 for guiding the movement of the locking member 30.

The push button 20 includes a rectangular parallelepiped pushing portion 201, two elongated hook portions 202, and a circular through hole 203 disposed on the pushing portion 201. The two hook portions 202 are oppositely protruded from the surface of the pushing portion 201, and the hook ends 204 of the hook portions 202 respectively extend in a direction perpendicular to the sliding direction of the push button 20. The push button 20 is inserted through the stopper portion 101 of the cover body 10 while the lock portion 30 is caught by the hook end 204, and the push portion 201 is slidable on the bottom portion 105 of the storage portion 104. In the present embodiment, the push button 20 is slidable relative to the cover 10 between the first position and the second position by an external force to switch the switching device 100 between the first state and the second state. The first position is a position where one side of the push button 20 and the one side of the accommodating portion 104 are in contact with each other, and the second position is when the other side of the push button 20 and the other side of the accommodating portion 104 are in contact with each other. The position of the four sides is perpendicular to the sliding direction of the push button 20.

The locking member 30 is received in the accommodating portion 107 and includes a body 301, a rectangular parallelepiped channel 302, a resilient protrusion 303 disposed on the sidewall of the body 301, and a bump 304. The through groove 302 penetrates through the body 301. The elastic protrusion 303 protrudes from the side wall of the body 301. In the embodiment, the elastic protrusion 303 has an arc shape so as to cooperate with the positioning groove 112 for positioning the locking member 30 to position the push button 20. The bump 304 and the guide through hole 113 cooperate with each other and can slide and expand into the guide through hole 113. The distance between the opposite sides of the hook portion 202 and the sliding direction of the push button 20 is equal to or slightly smaller than the width of the through slot 302. The length of the hook portion 202 and the through slot 302 is smaller than the length of the limiting portion 101. Thus, the push button 20 can be slid through the cover 10 and the lock member 30 to slide on the cover 10.

The lock body 40 includes a cylindrical hand end 401 and a generally inverted "T" shaped snap end 402. The clamping end 402 is disposed at a central position on the surface of the handheld end 401, and the handheld end 401 and the through hole 203 are designed to cooperate with each other, and the height of the handheld end 401 is slightly larger than the height of the through hole 203 for the hand-held operation. The ends of the fastening ends 402 extend away from the two extending ends 403. Each of the extending ends 403 is recessed inwardly on the surface opposite to the handheld end 401 to form a concave end 404 for receiving the first magnetic component 50. The lock body 40 passes through the through hole 203 and the receiving cavity 106, and the extended end 403 abuts against the surface of the convex portion 108. The first magnetic element 50 interacts with a second magnetic element 60 disposed on the surface of the raised portion 108.

The blocking member 70 includes a first end 702 and a wedge-shaped second end 701 that extends from the first end 702. The first end portion 702 is slidably received in the housing grooves 111a and 111b. The second end portion 701 extends between the lock body 40 and the lock member 30 to apply a resisting force to the lock body 40 in the sliding direction of the push button 20 for preventing the push button 20 from sliding. The elastic member 80 is located in the sliding direction of the blocking member 70, and one end thereof is fixed to the side wall of the receiving groove 111a or 111b, and the other end is fixedly coupled to the first end portion 702. When the push button 20 slides under the action of the external force and drives the lock body 40 to move, the lock body 40 is pushed up against the second end portion 701 so that the blocking member 70 is contracted by the elastic force of the elastic member 80 to the receiving groove 111a or 111b. The blocking of the push button 20 is released. When the external force is released, the blocking member 70 can automatically pop out under the action of the restoring force of the elastic member 80 to prevent the lock body 40 from sliding.

Hereinafter, description will be made by taking an example in which the first state of the switching device 100 is changed to the second state and the switching device 100 is locked. In the present embodiment, the second magnetic element 60 is a magnet. We take the number of the magnets as six and divide it into four groups. The four groups are 60a, 60b, 60c, 60d (see Figure 4). Please refer to FIG. 5 at the same time. FIG. 5a is a first state of the switch device 100. At this time, the push button 20 is in the first position relative to the cover 10, and the first magnetic component 50 disposed on the lock body 40 is disposed on the cover body. The magnet 60a on the 10 is in the suction state, the bump 304 is contracted in the guide through hole 113, and the elastic protrusion 303 is locked in a positioning groove 112. The state transition is completed and the action of the push button 20 is locked by operating in accordance with FIGS. 5b, 5c, and 5d in sequence.

When it is necessary to change the first state of the switching device 100 to the second state: the state of the lock body 40 to the state of FIG. 5b is rotated, and the rotation angle is approximately 90 degrees. Then, the first magnetic element 50 of the lock body 40 is detached from the magnet 60a by the rotational force and attracted to the magnet 60b to fix the lock body 40, and the lock body 40 is disengaged from the blocking of the blocking member 70; The button 20 to the second position is the second state of the switching device 100, as shown in Figure 5c. In the process, firstly, under the action of the external force, the push button 20 drives the lock body 40 to move and causes the lock body 40 to push the second end portion 701 so that the blocking member 70 contracts under the elastic force of the elastic member 80 to the receiving groove 111b. When the push button 20 is moved to the second position, the blocking member 70 is disengaged from the pushing force of the push button 20, and the blocking member 70 is automatically ejected under the action of the restoring force of the elastic member 80, and the first magnetic member 50 is again separated from the magnet 60b. The attraction and the magnet 60c are attracted to each other for fixing. In addition, the protrusion 304 protrudes from the guide through hole 113 by the force of the force, and drives the elastic protrusion 303 to move into the other positioning groove 112. Finally, the switch device 100 is locked. At the same time, the lock body 40 is continuously rotated, and the rotation angle is also approximately 90 degrees, as shown in Fig. 5d. Then, the first magnetic member 50 is separated from the magnet 60c by the rotational force and attracted to the magnet 60d, and the lock body 40 is prevented from sliding by the blocking of the stopper 70.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art of the present invention should be included in the following claims.

100‧‧‧Switching device

10‧‧‧ cover

101‧‧‧Limited Department

102‧‧‧ first surface

103‧‧‧ second surface

104‧‧‧Storage Department

105‧‧‧ bottom

106‧‧‧ containment chamber

107‧‧‧ Housing Department

108‧‧‧Bumps

109‧‧‧ side wall

110‧‧‧ Groove

111a, 111b‧‧‧ housing trough

112‧‧‧ positioning slot

113‧‧‧Directed through holes

120‧‧‧Upper casing

130‧‧‧ bottom of the containment department

140‧‧‧lower casing

20‧‧‧ push button

201‧‧‧Promotion Department

202‧‧‧K hook section

203‧‧‧through hole

204‧‧‧Check

30‧‧‧Locker

301‧‧‧ Ontology

302‧‧‧through slot

303‧‧‧Elastic bulge

304‧‧‧Bumps

40‧‧‧Lock body

401‧‧‧Handheld

402‧‧‧Kartian

403‧‧‧Extension

404‧‧‧ concave end

50‧‧‧First magnetic component

60‧‧‧Second magnetic component

60a, 60b, 60c, 60d‧‧‧ magnets

70‧‧‧blocking parts

701‧‧‧ second end

702‧‧‧ first end

80‧‧‧Flexible parts

1 is a schematic view of a preferred embodiment of a switching device.

2 is a schematic view of another perspective of the switch device of FIG. 1.

Figure 3 is an exploded view of the switching device.

4 is another perspective exploded view of the switch device of FIG. 3.

Figure 5 is a diagram of a complex state plane of the switching device.

100‧‧‧Switching device

10‧‧‧ cover

101‧‧‧Limited Department

103‧‧‧ second surface

106‧‧‧ containment chamber

107‧‧‧ Housing Department

108‧‧‧Bumps

109‧‧‧ side wall

110‧‧‧ Groove

111a, 111b‧‧‧ housing trough

112‧‧‧ positioning slot

113‧‧‧Directed through holes

120‧‧‧Upper casing

130‧‧‧ bottom of the containment department

140‧‧‧lower casing

20‧‧‧ push button

201‧‧‧Promotion Department

202‧‧‧K hook section

203‧‧‧through hole

204‧‧‧Check

30‧‧‧Locker

301‧‧‧ Ontology

302‧‧‧through slot

303‧‧‧Elastic bulge

304‧‧‧Bumps

40‧‧‧Lock body

401‧‧‧Handheld

402‧‧‧Kartian

403‧‧‧Extension

404‧‧‧ concave end

50‧‧‧First magnetic component

60‧‧‧Second magnetic component

60a, 60b, 60c, 60d‧‧‧ magnets

70‧‧‧blocking parts

80‧‧‧Flexible parts

Claims (10)

A switch device includes a cover body, a push button and a lock body. The cover body is limited between the push button and the lock body. The push button is engaged with the lock through the cover body, and the push button can be in the cover body. The sliding member is slid relative to the cover body and drives the locking member to move relative to the cover body. The improvement comprises the fact that the cover body comprises a receiving cavity, the push button comprises a through hole, and the switch device further comprises a lock body disposed on the lock body. a first magnetic component and a second magnetic component disposed on the cover body, the lock body passing through the through hole and the receiving cavity, and being engaged by the interaction force between the first magnetic component and the second magnetic component The cover body is configured to limit the sliding of the push button, and the lock body is rotatable relative to the push button under the action of an external force to release the restriction on the push button. The switch device of claim 1, wherein the cover body comprises a hollow limiting portion and a receiving portion, the push button comprises a hook portion, the locking member comprises a through slot, a receiving cavity and a limit Each part penetrates through the accommodating portion, and the push button is engaged with the lock by the hook portion passing through the limiting portion and the through groove. The switch device of claim 2, wherein a convex portion surrounding the receiving cavity is protruded from a bottom portion of the receiving portion, and the second magnetic element is disposed on the convex portion. The switch device according to claim 3, wherein the convex portion is an elliptical ring shape, the long axis thereof is placed along the sliding direction of the push button, and the second magnetic members are respectively disposed on the annular surface of the convex portion. And being disposed at least on an arcuate surface of the convex portion and an end surface connecting the two curved surfaces, and the second magnetic elements disposed on the end surface are respectively adjacent to the two curved surfaces. The switch device of claim 1, wherein the switch device further comprises two blocking members for preventing the lock body from sliding, the blocking member comprising a first end portion and a wedge shape extending from the first end portion The second end portion of the blocking member is slidable on the cover. The switch device of claim 5, wherein the switch device further comprises two elastic members, one end of the elastic member being fixed on the cover body and the other end being fixed on the first end portion. The switch device of claim 6, wherein the receiving portion is provided with a receiving groove on a side wall parallel to the sliding direction of the push button, and another receiving groove is disposed on the side of the receiving cavity opposite to the receiving groove. The blocking member and the elastic member are connected to each other and are received in the receiving groove at the same time. The first end portion slides in the two receiving slots, and the second end portion blocks the movement of the lock body to prevent the sliding of the push button. The switch device of claim 6, wherein the side wall is further provided with two adjacent positioning slots, and an elastic protrusion corresponding to the positioning groove is protruded from the side wall of the fastener for positioning The lock thus positions the push button. The switch device of claim 1, wherein the lock body has two extending ends extending away from each other, and each of the extending ends defines a concave end, and the two first magnetic elements are disposed at the concave end. . The switch device of claim 1, wherein a protrusion is protruded from a side wall of the fastener, and a guide through hole is defined in a sidewall of the cover corresponding to the protrusion, and the protrusion slides and contracts In the guiding through hole.