CN216980406U - Key hand controller - Google Patents

Abstract

The utility model discloses a key hand controller, comprising: the key seat is provided with a mounting cavity; the switch piece is arranged on the key seat and comprises a switch seat, a first electric terminal, a second electric terminal, the swinging piece and the pressing piece movably arranged on the switch seat, the swinging piece is arranged to swing around a first rotating axis, one end of the swinging piece is electrically connected with the first electric terminal, and the other end of the swinging piece can be abutted against the second electric terminal to form a conducting circuit; the keycap is movably arranged in the mounting cavity and is used for driving the pressing piece to act; the swinging piece swings along with the pressing piece under the pressing action of the pressing piece, so that the swinging piece is disconnected from the second electric terminal. The button hand controller can realize the circulation of large current, thereby realizing the direct control of relevant executing parts of furniture, solving the problem that the relay is required to be matched to effectively control, and saving the cost.

Description

Key hand controller

Technical Field

The utility model relates to the technical field of hand controller structures, in particular to a key hand controller.

Background

In the existing hand controller applied to furniture, the switch part applied inside the hand controller is generally a microchip switch, when the hand controller is used for controlling furniture, particularly sofa, the hand controller and a relay are combined, the relay is used for amplifying the current of the microchip switch so as to output enough current, and the application cost is high.

SUMMERY OF THE UTILITY MODEL

In order to overcome at least one defect in the prior art, the utility model provides the key hand controller which can circulate large current so as to realize direct control of relevant executing parts of furniture, solve the problem that effective control can be realized only by matching a relay, and save cost.

The technical scheme adopted by the utility model for solving the problems is as follows:

a key hand controller comprising:

the key seat is provided with a mounting cavity;

the switch piece is arranged on the key seat and comprises a switch seat, a first electric terminal, a second electric terminal, a swinging piece and a pressing piece movably arranged on the switch seat, the swinging piece is arranged to swing around a first rotating axis, one end of the swinging piece is electrically connected with the first electric terminal, and the other end of the swinging piece can be abutted against the second electric terminal to form a conducting circuit;

the key cap is movably arranged in the mounting cavity and used for driving the pressing piece to act;

the swinging piece swings along with the pressing piece under the pressing action of the pressing piece, so that the swinging piece is disconnected from the second electric terminal.

According to the key hand controller provided by the utility model, in the switch part, the swinging part is used as the middle conductive part to conduct the first electric terminal and the second electric terminal, and the pressing part is used for driving the swinging part to swing so as to realize circuit disconnection, so that the whole structure is simple, the swinging part can realize the circulation of large current, when the key hand controller is applied to furniture, the current amplification effect of a relay is not needed, and the direct control of related executing parts of the furniture can also be realized, and the whole application cost is saved.

Further, the switch piece also comprises an elastic piece, and the elastic piece provides elastic force to drive the swinging piece to rotate in the positive direction for resetting.

Further, the elastic member changes the direction of the moment applied to the swinging member under the pressing action of the pressing member to drive the swinging member to rotate in the reverse direction.

Furthermore, the elastic element is a tension spring and is connected between the swinging element and the first electric terminal, and the extension direction of the tension spring is vertical to the first rotation axis; the pressing piece is arranged on the switch base in a sliding mode and located on one side of the tension spring, the sliding direction of the pressing piece is perpendicular to the first rotating axis, and the pressing piece is pressed to push the tension spring to bend and deform.

Furthermore, the first electric terminal comprises an end pin and a side plate connected to the end pin, a groove is formed in the side plate, and the swinging piece is kept in abutting connection with the groove under the action of elastic force of the elastic piece so as to realize electric connection.

Further, the swinging piece comprises a main body part, an abutting part and a hooking part, wherein the abutting part is used for being matched with the groove in an abutting mode, the hooking part is used for being connected with the elastic piece, and the swinging piece rotates around the abutting part between the abutting part and the groove.

Further, the main body portion, the abutting portion and the hooking portion are integrally formed.

Furthermore, the side plates are arranged in two, the two side plates are oppositely arranged at intervals, and the elastic piece is located between the two side plates.

Further, the switch member further includes a third electric terminal, and the swinging member swings toward the third electric terminal until abutting against the third electric terminal under the pressing action of the pressing member.

Furthermore, the installation cavity is in a penetrating shape, the keycap, the switch piece and the support piece are sequentially arranged in the installation cavity, and the power supply wiring penetrates through the support piece and is electrically connected with the first electric terminal and the second electric terminal.

In summary, the key hand controller provided by the utility model has the following technical effects:

in the switching element, the swinging element is used as the middle conductive element to conduct the first electric terminal and the second electric terminal, and the swinging element is driven by the pressing element to swing so as to realize circuit disconnection. Other advantages of the utility model will be apparent from the detailed description.

Drawings

Fig. 1 is an exploded view of a key hand controller according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a button hand controller according to an embodiment of the present invention;

fig. 3 is an exploded view of the switching element according to the embodiment of the present invention;

fig. 4 is a schematic sectional view of a switching member according to an embodiment of the present invention;

fig. 5 is a schematic structural view of the first electrical terminal shown in fig. 3;

FIG. 6 is a schematic view of the pendulum shown in FIG. 3;

FIG. 7 is a schematic diagram of the switch member of the embodiment of the present invention before the switch member is pressed to remove the switch seat;

fig. 8 is a schematic diagram of the switch member according to the embodiment of the present invention in a state where the switch base is not pressed.

Wherein the reference numerals have the following meanings:

1. a switch member; 11. a switch base; 111. an upper seat; 112. a lower seat; 113. a chute; 12. a first electrical terminal; 121. an end pin; 122. a side plate; 123. a groove; 13. a second electrical terminal; 14. a third electrical terminal; 15. a swinging member; 151. a main body part; 152. an abutting portion; 153. a hooking part; 16. a pressing member; 161. a slider; 162. a push block; 17. an elastic member; 2. a key base; 21. a mounting cavity; 3. a keycap; 4. a power supply wiring; 5. a support member; s, a first rotation axis.

Detailed Description

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

The utility model discloses a key hand controller which can circulate large current so as to realize direct control of relevant executing parts of furniture, solve the problem that the prior art needs relay cooperation to effectively control, and save cost.

Referring to fig. 1 and 2, the button hand controller includes: switch 1, key seat 2, key cap 3, key seat 2 are provided with installation cavity 21, switch 1 sets up in key seat 2, and key cap 3 activity sets up in installation cavity 21, and switch 1 possesses the function that the circuit switched on and break off, and key cap 3 can be used for change over switch 1's operating condition. Preferably, the switch member 1 is disposed within the mounting cavity 21 to facilitate engagement between the key cap 3 and the switch member 1. Of course, in other preferred embodiments, a through-shaped installation cavity 21 can be adopted, in which case, the switch element 1 can be located at one end of the installation cavity 21, and the keycap 3 is matched with the switch element 1 after passing through the installation cavity 21.

Referring to fig. 3 and 4, the switch 1 includes a switch base 11, a first electrical terminal 12, a second electrical terminal 13, a swinging member 15, and a pressing member 16 movably disposed on the switch base 11, the swinging member 15 is configured to swing around a first rotation axis S, one end of the swinging member 15 is electrically connected to the first electrical terminal 12, and the other end of the swinging member 15 can abut against the second electrical terminal 13 to form a conductive circuit.

The key cap 3 is used for driving the pressing member 16, and preferably, the key cap 3 abuts against the pressing member 16. In other preferred embodiments, the key cap 3 and the pressing piece 16 can be in transition transmission through an intermediate piece, that is, the key cap 3 drives the pressing piece 16 to move through the intermediate piece.

The swinging member 15 swings with the pressing action of the pressing member 16, so that the swinging member 15 is disconnected from the second electric terminal 13.

The first rotation axis S may be a fixed axis or a non-fixed axis capable of moving in a small range, and may satisfy the winding and swinging operation of the swinging member 15.

Through the scheme, when the key hand controller is used specifically, the first electric terminal 12 and the second electric terminal 13 are connected with an external control circuit, in an initial state (namely, a user does not press the key cap 3), the swinging piece 15 is abutted against the second electric terminal 13, and the swinging piece 15 is used as a middle conductive piece to conduct the first electric terminal 12 and the second electric terminal 13, so that the swinging piece 15 can realize the circulation of large current, the amplification effect of a relay on the current is not needed, and the direct control on a furniture related executive part can be realized, thereby saving the whole application cost; in a pressing state (namely, a user presses the keycap 3), the keycap 3 pushes against the pressing piece 16 to realize a pressing action, and the pressing piece 16 indirectly or directly drives the swinging piece 15 to swing so as to enable the swinging piece 15 to be separated from the second electric terminal 13 to realize disconnection.

Preferably, the switch 1 further includes a third electrical terminal 14, and the swinging member 15 swings toward the third electrical terminal 14 until abutting against the third electrical terminal 14 under the pressing action of the pressing member 16, so that the first electrical terminal 12, the swinging member 15 and the second electrical terminal 13 are sequentially conducted or the first electrical terminal 12, the swinging member 15 and the third electrical terminal 14 are sequentially conducted under different operating conditions of the pressing member 16.

Preferably, the key hand controller further comprises a power connection 4 and a support member 5, the mounting cavity 21 is through-shaped, the key cap 3, the switch member 1 and the support member 5 are sequentially arranged in the mounting cavity 21, and the power connection 4 passes through the support member 5 and can be electrically connected with the first electric terminal 12, the second electric terminal 13 and the third electric terminal 14 respectively, so as to facilitate the integral assembly and use of the key hand controller.

Specifically, with reference to the direction shown in fig. 2, the mounting cavity 21 is vertically through, and the keycap 3 is slidably disposed on the upper portion of the mounting cavity 21; the supporting piece 5 is inserted into the lower part of the mounting cavity 21 from bottom to top, and clamps the switch piece 1 in the mounting cavity 21; the power connection 4 passes through the supporting member 5 from bottom to top to extend to the mounting cavity 21, and is soldered to the first electrical terminal 12 and the second electrical terminal 13.

In this embodiment, the switch element 1 further comprises an elastic element 17, wherein the elastic element 17 provides an elastic force to drive the swinging element 15 to rotate and reset in the positive direction; the forward rotation reset is that the elastic member 17 provides an elastic force to drive the swinging member 15 to swing toward the second electric terminal 13 and abut against the second electric terminal 13, so as to form a conducting circuit, thereby ensuring that the circuit of the push button hand controller is in a normally-on state.

Specifically, with reference to the direction shown in fig. 4, when the pressing member 16 is not pressed by an external force, the moment provided by the elastic member 17 can drive the swinging member 15 to swing clockwise, so that the lower end of the swinging member 15 abuts against the second electrical terminal 13 to form a conductive circuit. The elastic member 17 may be a tension spring, a spring, or a torsion spring, and the elastic force may be a pulling force, a pushing force, or a twisting force, and the swinging member 15 may be elastically driven to swing.

Specifically, the pressing member 16 is fitted with an elastic member 17, and the elastic member 17 changes the direction of the moment applied to the swinging member 15 under the pressing action of the pressing member 16 to drive the swinging member 15 to rotate reversely, i.e., in the present embodiment, the pressing member 16 indirectly drives the swinging member 15 to swing counterclockwise through the elastic member 17, so that the swinging member 15 is disengaged from the second electric terminal 13 to realize disconnection.

By the combination of the above solutions, the swinging member 15 is driven to rotate forward to turn on the circuit or to turn off the circuit in reverse by the elastic force of the elastic member 17 in different states of the pressing member 16 (when not pressed or after being pressed), and the whole operation is simple.

In this embodiment, it is preferable that the elastic member 17 is a tension spring, and is connected between the swinging member 15 and the first electric terminal 12, and an extending direction of the tension spring is perpendicular to the first rotation axis S. Based on this, the elastic force of the elastic member 17 can be better applied to the swinging member 15.

The pressing piece 16 is slidably disposed on the switch base 11 and located on one side of the tension spring, a sliding direction of the pressing piece 16 is perpendicular to the first rotation axis S, and the pressing piece 16 is pressed to push the tension spring to bend and deform. Thereby, the elastic member 17 can simultaneously act on the swinging member 15 and the pressing member 16, so that the swinging member 15 and the pressing member 16 are driven to return by the elastic member 17.

Specifically, as shown in fig. 4, the pressing piece 16 is vertically slidably disposed, and the pressing piece 16 is located on the upper side of the tension spring and close to the first electrical terminal 12; referring to fig. 7, when the pressing member 16 is not pressed, the moment applied to the swinging member 15 by the tension spring is located at the upper side of the first rotation axis S, and at this time, the moment pulls the swinging member 15 to rotate counterclockwise about the first rotation axis S to make the swinging member 15 abut against the second electric terminal 13; referring to fig. 8, when the pressing member 16 slides downward, the pressing member 16 pushes the tension spring to bend downward, and the direction and magnitude of the moment applied to the swinging member 15 by the bent tension spring are changed, so that the moment is located at the lower side of the first rotation axis S, and at this time, the moment pulls the swinging member 15 to rotate clockwise around the first rotation axis S, so that the swinging member 15 is separated from the second electric terminal 13.

Referring to fig. 5 and 7, in the present embodiment, the first electrical terminal 12 includes a terminal pin 121 and a side plate 122 connected to the terminal pin 121, the side plate 122 is provided with a groove 123, the swinging member 15 is kept in contact with the groove 123 under the elastic force of the elastic member 17, so as to realize electrical connection, and it is not necessary to connect the swinging member 15 and the first electrical terminal 12 through an electrical wire, thereby simplifying the connection structure and prolonging the service life of the electrical connection. Specifically, two side plates 122 are provided, the two side plates 122 are oppositely arranged at intervals, and the elastic element 17 is located between the two side plates 122. Specifically, the side plates 122 are formed by integrally bending both sides of the upper end of the terminal pin 121 toward the same direction, so that the gap between the side plates 122 matches the width of the terminal pin 121, and the space between the two side plates 122 is used to accommodate the elastic member 17, thereby reducing the overall volume thereof.

Referring to fig. 8, the swinging member 15 includes a main body 151, an abutting portion 152 and a hooking portion 153 connected to each other, and particularly, the main body 151, the abutting portion 152 and the hooking portion 153 are integrally formed to enhance the strength and the electrical conductivity thereof. Indeed, the main body 151, the abutting portion 152 and the hooking portion 153 may be connected by welding or riveting.

The two sides of the main body 151 can be respectively abutted against the second electrical terminal 13 and the third electrical terminal 14, the abutting portions 152 are respectively abutted against and matched with the grooves 123, based on the number of the side plates 122, the abutting portions 152 can be also provided in two numbers, each abutting portion 152 is respectively matched with the groove 123 of one side plate 122, the hooking portion 153 is used for connecting the elastic member 17, and the swinging member 15 rotates around the abutting portion between the abutting portion 152 and the groove 123. Thus, the contact portion between the contact portion 152 and the concave groove 123 is set as the first rotation axis S, and it is not necessary to provide a rotation axis, so that the structure of the swing member 15 is further simplified.

In the present embodiment, referring to fig. 2, in order to realize the fast assembly of the whole switch 1, the switch base 11 includes an upper base 111 and a lower base 112, the upper base 111 is in a vertically penetrating shape, the lower base 112 is detachably connected to the lower end of the upper base 111, the pressing member 16 is slidably disposed on the upper base 111, the first electrical terminal 12, the third electrical terminal 14 and the second electrical terminal 13 are sequentially inserted into the lower base 112 in an aligned manner, and the swinging member 15 is assembled to the first electrical terminal 12 and located between the third electrical terminal 14 and the second electrical terminal 13 under the elastic force of the elastic member 17; specifically, the inner wall of the upper seat 111 is provided with a vertically arranged sliding groove 113, the sliding groove 113 is formed by inwardly recessing the lower surface of the upper seat 111, and the pressing member 16 is provided with a sliding block 161 matched with the sliding groove 113, so that the pressing member 16 can be assembled on the upper seat 111 from bottom to top and partially protrude on the upper surface of the upper seat 111.

In particular, the pushing member 16 may further include a pushing block 162, and the pushing block 162 protrudes downward and is configured to abut against the elastic member 17.

In summary, in the switch element 1 of the key manual controller provided by the present invention, the swinging element 15 is used as a middle conductive element to conduct the first electric terminal 12 and the second electric terminal 13, and the pressing element 16 is used to drive the swinging element 15 to swing so as to achieve circuit disconnection, the overall structure is simple, and the swinging element 15 can implement large current circulation, when being applied to furniture, the current amplification function of a relay is not needed, and direct control over relevant executing elements of the furniture can also be implemented, thereby saving the overall application cost; in addition, the abutting and rotating fit between the abutting portion 152 of the oscillating member 15 and the groove 123 of the first electric terminal 12 is utilized, the oscillating of the oscillating member 15 and the electric connection between the oscillating member 15 and the first electric terminal 12 are simultaneously realized, and the oscillating member 15 is driven to rotate forward to turn on the circuit or rotate backward to turn off the circuit through the elastic force of the elastic member 17, so that the whole structure is simple, the action is simple and fast, and the whole production cost is effectively reduced.

The technical means disclosed in the utility model scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.

Claims (10)

1. A key hand controller, comprising:

the key seat is provided with a mounting cavity;

the switch piece is arranged on the key seat and comprises a switch seat, a first electric terminal, a second electric terminal, a swinging piece and a pressing piece movably arranged on the switch seat, the swinging piece is arranged to swing around a first rotating axis, one end of the swinging piece is electrically connected with the first electric terminal, and the other end of the swinging piece can be abutted with the second electric terminal to form a conducting circuit;

the keycap is movably arranged in the mounting cavity and used for driving the pressing piece to act;

the swinging piece swings along with the pressing piece under the pressing action of the pressing piece so as to realize the disconnection of the swinging piece and the second electric terminal.

2. The push-button hand controller according to claim 1, wherein the switch member further comprises an elastic member, the elastic member providing an elastic force to drive the oscillating member to rotate in a forward direction to be reset.

3. The key hand controller according to claim 2, wherein the elastic member changes a direction of a moment applied to the swinging member by the pressing action of the pressing member to drive the swinging member to rotate in a reverse direction.

4. The button hand controller according to claim 3, wherein the elastic member is a tension spring connected between the swinging member and the first electrical terminal, and the extension direction of the tension spring is perpendicular to the first rotation axis; the pressing piece slides and is arranged on the switch seat and located on one side of the tension spring, the sliding direction of the pressing piece is perpendicular to the first rotating axis, and the pressing piece is pressed to push the tension spring to be bent and deformed.

5. The key hand controller according to claim 2, wherein the first electrical terminal comprises a terminal pin and a side plate connected to the terminal pin, the side plate is provided with a groove, and the swinging member is held in abutment with the groove under the elastic force of the elastic member to realize electrical connection.

6. The key manual controller according to claim 5, wherein the swinging member comprises a main body portion, an abutting portion for abutting and matching with the groove, and a hooking portion for connecting the elastic member, and the swinging member rotates around the abutting portion between the abutting portion and the groove.

7. The key manual controller according to claim 6, wherein the main body portion, the abutting portion and the hooking portion are integrally formed.

8. The button hand controller according to claim 5, wherein there are two side plates, the two side plates are oppositely spaced, and the elastic member is located between the two side plates.

9. The button hand controller according to any one of claims 1 to 8, wherein the switching member further comprises a third electric terminal, and the swinging member swings toward the third electric terminal until abutting against each other under the pressing action of the pressing member.

10. The button hand controller according to any one of claims 1 to 8, further comprising a power supply wire and a support member, wherein the mounting cavity is through-shaped, the key cap, the switch member and the support member are sequentially arranged in the mounting cavity, and the power supply wire passes through the support member and is electrically connected to the first electric terminal and the second electric terminal.

Images