CN219738774U - Pulling piece hand controller and electric lifting table - Google Patents

Abstract

The utility model belongs to the technical field of lifting control, and discloses a plectrum hand controller and an electric lifting table. The plectrum hand controller comprises a circuit board, a shell, a plectrum and a connecting piece. The circuit board is provided with first switch and second switch, for the switch setting in the interior top surface or the bottom surface of casing, can reduce the thickness and the volume of plectrum hand controller, save manufacturing cost. The casing has the chamber that holds that can hold the circuit board, and the casing is provided with first supporting part and second supporting part, and as lever fulcrum is used for supporting the plectrum, and first supporting part and second supporting part are relative and the interval setting. The plectrum part is located and holds the chamber, and the plectrum butt simultaneously is in first supporting part and second supporting part, and the plectrum can rotate and have initial position and open position for the casing. The connecting piece sets up on the plectrum, and the connecting piece can drive the plectrum and remove to initial position by open position, realizes the automatic resilience of plectrum, simple structure, assembly easy maintenance.

Description

Pulling piece hand controller and electric lifting table

Technical Field

The utility model relates to the technical field of lifting control, in particular to a plectrum hand controller and an electric lifting table.

Background

Along with the promotion of living standard, intelligent house is popular more and more, and electric lift table is as intelligent house generally to regard as power supply with the motor, realizes adjusting electric lift table between high and low position through plectrum hand controller, wherein is provided with the switch that rises and descends on the plectrum hand controller, drives electric lift table through touching the switch of plectrum hand controller and carries out the lift operation.

The existing plectrum hand controller comprises a mounting box, an elastic reset piece and a plectrum arranged in the mounting box, wherein the plectrum uses a rotating shaft to do lever motion, a switch is triggered by poking the plectrum, and poking of the plectrum is realized by rotating and matching the plectrum in a shaft hole. But the shaft hole matching has higher requirement on the matching size of the rotating shaft and the shaft hole, the assembly clearance is easy to be influenced, and then the rotating shaft can generate clamping stagnation or looseness, meanwhile, the elastic resetting piece is connected with the poking piece and used for resetting the poking piece, but the structure of the poking piece hand controller can be relatively complicated, and the production and assembly cost is increased.

Therefore, a need exists for a hand-operated device and an electric lifting table to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a plectrum hand controller and an electric lifting table, wherein the plectrum hand controller is used for lifting and adjusting the electric lifting table and comprises a first supporting part and a second supporting part for supporting a plectrum, and the plectrum hand controller is high in reliability and convenient to assemble and maintain.

In order to solve the problems existing in the prior art, the utility model adopts the following technical scheme:

a paddle hand control comprising:

the circuit board is provided with a first switch and a second switch;

a housing having a housing chamber capable of housing the circuit board, the housing being provided with a first support portion and a second support portion, the first support portion and the second support portion being opposite and disposed at a distance;

a pulling piece, which is partially positioned in the accommodating cavity, is simultaneously abutted against the first supporting part and the second supporting part, can rotate relative to the shell and has an initial position and an opening position, when the pulling piece is positioned at the initial position, the pulling piece is separated from the first switch and the second switch, and when the pulling piece is positioned at the opening position, the pulling piece opens the first switch or the second switch;

the connecting piece is arranged on the poking piece and can drive the poking piece to move from the opening position to the initial position.

Preferably, the pulling piece is provided with two arc-shaped grooves, and the first supporting part and the second supporting part are respectively inserted into the two arc-shaped grooves.

Preferably, the housing includes a first housing and a second housing, and the first support portion and the second support portion are integrally formed with the first housing and the second housing, respectively.

Preferably, the shifting piece comprises a limiting part located in the accommodating cavity, the limiting part is located on the same side of the first supporting part and the second supporting part, the limiting part can be abutted to the first supporting part and the second supporting part so as to prevent the shifting piece from moving inwards of the shell, and the limiting part can be abutted to the inner wall of the shell so as to prevent the shifting piece from moving outwards of the shell.

Preferably, the connecting piece includes middle connection piece, first connection piece and second connection piece, the both ends of middle connection piece connect respectively in first connection piece with the second connection piece, first connection piece connect in spacing portion, the second connection piece connect in the casing, middle connection piece can elastic deformation.

Preferably, the open position includes a first open position and a second open position, the initial position is between the first open position and the second open position, the paddle opens the first switch when the paddle is in the first open position, and the paddle opens the second switch when the paddle is in the second open position.

Preferably, the first switch and the second switch are respectively located at two sides of the pulling piece, the pulling piece is provided with a first contact portion and a second contact portion, the first contact portion is used for opening the first switch, and the second contact portion is used for opening the second switch.

Preferably, the number of the connecting pieces is two, the two connecting pieces are arranged on two sides of the limiting portion at intervals, and the first contact portion and the second contact portion are located between the two connecting pieces.

Preferably, the connecting piece and the poking piece are integrally formed.

In order to achieve the above purpose, the utility model also provides an electric lifting table, which comprises the plectrum hand controller.

The beneficial effects of the utility model are as follows:

the utility model provides a plectrum hand controller which is used for adjusting the height of an electric lifting table and is simple to assemble. The first switch and the second switch are arranged on the circuit board, and the first switch and the second switch are arranged on the inner top surface or the bottom surface of the shell relative to the switch, so that the thickness and the volume of the dial hand controller can be reduced, and the production cost is saved. The housing is provided with a first support portion and a second support portion as lever fulcrums for supporting the dial. The connecting piece is arranged on the poking piece, so that automatic rebound of the poking piece is realized, the structure is simple, and the assembly and the maintenance are convenient.

The electric lifting table provided by the utility model has the advantages that the pulling piece hand controller is arranged on the electric lifting table, the lifting and descending switch is arranged on the pulling piece hand controller, the lifting operation is driven by touching the switch of the pulling piece hand controller, and the operation is simple and convenient, and the lifting operation is easy.

Drawings

FIG. 1 is a schematic view of a first housing according to an embodiment of the present utility model;

FIG. 2 is a schematic structural view of a second housing according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of an internal structure of the embodiment of the present utility model;

FIG. 4 is an assembled view of a hand control for a plectrum in an embodiment of the present utility model;

FIG. 5 is a schematic diagram of an internal structure of a second embodiment of the present utility model;

FIG. 6 is a schematic diagram of a pulling piece according to an embodiment of the present utility model;

FIG. 7 is a second schematic diagram of a paddle according to an embodiment of the present utility model;

fig. 8 is a schematic diagram of a paddle according to an embodiment of the utility model.

Reference numerals:

1. a circuit board;

21. a first switch; 22. a second switch;

3. a housing; 31. a first support portion; 32. a second supporting part; 33. a first housing; 34. a second housing;

4. a pulling piece; 41. an arc-shaped groove; 42. a limit part; 43. a first contact portion; 44. a second contact portion; 45. a pulling tongue;

5. a connecting piece; 51. a middle connecting sheet; 52. a first connecting piece; 53. and a second connecting piece.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

In the existing plectrum hand controller, the plectrum uses the rotating shaft to make lever movement, the switch is triggered by the plectrum, and the plectrum is poked by the rotating shaft rotating and matching in the shaft hole. But the shaft hole matching has higher requirement on the matching size of the rotating shaft and the shaft hole, the rotating shaft can generate clamping stagnation or looseness, and meanwhile, the elastic reset piece is used for resetting the plectrum, so that the structure of the plectrum hand controller is relatively complex. In this regard, this embodiment provides a plectrum hand controller for the lift adjustment of electric lift table, first supporting part and second supporting part are used for supporting the plectrum, and the reliability is high, assembly easy maintenance.

As shown in fig. 1-3, the plectrum hand controller comprises a circuit board 1, a shell 3, a plectrum 4 and a connecting piece 5, and is used for adjusting the height of the electric lifting table, and is simple to assemble. The first switch 21 and the second switch 22 are arranged on the circuit board 1, the first switch 21 and the second switch 22 have lifting functions, and compared with the arrangement of the switches on the inner top surface or the bottom surface of the shell 3, the thickness and the volume of the hand-operated device can be reduced, and the production cost is saved. The housing 3 is buckled to form a containing cavity, the containing cavity can contain the circuit board 1, the housing 3 is provided with a first supporting portion 31 and a second supporting portion 32, the first supporting portion 31 and the second supporting portion 32 are opposite and are arranged at intervals, the first supporting portion 31 and the second supporting portion 32 serve as lever fulcrums for supporting the poking piece 4, and the first supporting portion 31 and the second supporting portion 32 are integrally formed with the top surface and the bottom surface of the housing 3 respectively, so that reliability is high. The plectrum 4 part is located and holds the intracavity, arranges the outside plectrum tongue 45 of casing 3 and plays the effect of manual control by the people, plectrum 4 butt simultaneously in first supporting part 31 and second supporting part 32, realizes plectrum 4 and utilizes first supporting part 31 and second supporting part 32 to mutually support and do lever motion's effect. The pulling piece 4 can rotate relative to the shell 3 to have an initial position and an opening position, when the pulling piece 4 is positioned at the initial position, the pulling piece 4 is separated from the first switch 21 and the second switch 22, the height of the electric lifting table is unchanged, and when the pulling piece 4 is positioned at the opening position, the pulling piece 4 opens the first switch 21 or the second switch 22. The connecting piece 5 sets up on plectrum 4, and connecting piece 5 has certain resilience ability, and connecting piece 5 can drive first switch 21 and move to the initial position by first and second open position, realizes the automatic resilience of plectrum 4, simple structure, assembly easy maintenance.

Further, the connecting piece 5 and the poking piece 4 are integrally formed, and the connecting piece 5 and the poking piece 4 are integrally formed through an injection molding process, so that the reliability is high. In the process of applying external force to the plectrum 4, the connecting piece 5 generates certain elastic deformation, when the plectrum 4 is located at the first open position or the second open position, the plectrum 4 is completely loosened, the connecting piece 5 can restore the plectrum 4 to the initial position, and the plectrum 4 automatically rebounds. If the connecting piece 5 and the pulling piece 4 are combined, the connecting piece 5 can be loosened or separated from the pulling piece 4 after long-time use, so that the rebound capability of the connecting piece 5 is invalid.

Further, as shown in fig. 4, the housing 3 includes a first housing 33 and a second housing 34, and the first housing 33 and the second housing 34 are snapped together to form a closed accommodating chamber, and the circuit board is located in the accommodating chamber and is connected to the first housing 33 or the second housing 34 by a bolt. The first supporting part 31 and the first shell 33 are integrally formed, the second supporting part 32 and the second shell 34 are integrally formed, and the advantage of the integral forming is that the pulling piece 4 is prevented from being repeatedly pulled for a long time, so that the first supporting part 31 and the second supporting part 32 drop from the shell 3, the structure is stable, and the service life of the pulling piece hand controller is prolonged.

Further, as shown in fig. 5-7, the paddle 4 has two arc grooves 41, the two arc grooves 41 are located at two sides of the paddle 4 and are opposite to each other, the first supporting portion 31 and the second supporting portion 32 are respectively inserted into the two arc grooves 41, so that the paddle 4 is prevented from moving towards the inside or the outside of the housing 3 in the process of stirring, the connection is stable, and meanwhile, the contact failure caused by dislocation between the first contact portion 43 and the second contact portion 44 and the first switch 21 and the second switch 22 on the circuit board 1 is avoided, so as to prevent the switch failure.

Further, the paddle 4 includes a stopper 42. Specifically, the limiting portion 42 is located in the accommodating cavity of the housing 3, one side of the housing 3 has an opening, and part of the dial 4 is exposed through the opening so that people can dial the dial 4. The limiting part 42 is located on the same side of the first supporting part 31 and the second supporting part 32, the limiting part 42 can be abutted against the first supporting part 31 and the second supporting part 32 to prevent the shifting piece 4 from moving towards the inside of the shell 3, the limiting part 42 can also be abutted against the inner wall of the shell 3 to prevent the shifting piece 4 from moving towards the outside of the shell 3, and the limiting part 42 plays a limiting role on the shifting piece 4 to prevent the shifting piece 4 from being separated from the shell 3.

Further, the connecting member 5 includes an intermediate connecting piece 51, a first connecting piece 52, and a second connecting piece 53. Specifically, the first connecting piece 52 is connected to the limiting portion 42, the second connecting piece 53 is connected to the circuit board 1 by means of bolts or the like and is connected to the housing 3, two ends of the middle connecting piece 51 are respectively connected to the first connecting piece 52 and the second connecting piece 53, the middle connecting piece 51 is deformed by external force, and the middle connecting piece 51 can be elastically deformed due to a certain rebound ability, so that the middle connecting piece 51 can be restored to an initial state, can be repeatedly used, and has a good rebound effect.

The middle connecting piece 51 can adopt various structures such as straight, U-shaped or wave-shaped, and optionally, as shown in fig. 6-7, the middle connecting piece 51 adopts a U-shaped structure, and the bottom of the middle connecting piece 51 of the U-shaped structure is accompanied with the condition of stretching deformation in bending, so that the strength is smaller, the poking piece tongue 45 is easier to poke, and the use is convenient. Preferably, as shown in fig. 8, the middle connecting piece 51 adopts a straight structure, and because the poking stroke of the poking piece 4 is smaller, the elastic deformation is smaller, the straight structure is simple, the resilience force is large, and the cost is lower.

Further, the open position includes a first open position and a second open position, the initial position is located between the first open position and the second open position, the first open position means that the first contact portion 43 is closed with the first switch 21, the second open position means that the second contact portion 44 is closed with the second switch 22, the first switch 21 has a function of lowering an electric lifting table, the second switch 22 has a function of raising the electric lifting table, when the tab tongue 45 of the tab 4 is pushed down, the tab 4 is located at the first open position, and at this time, the first contact portion 43 of the tab 4 contacts the first switch 21, the first switch 21 is opened, and the electric lifting table is adjusted to be lowered; when the pulling tongue 45 of the pulling piece 4 is pulled upwards, the pulling piece 4 is located at the second opening position, at this time, the second contact part 44 of the pulling piece 4 contacts with the second switch 22, the second switch 22 is opened, and the electric lifting table is adjusted upwards. Realize the effect of the free adjustment of electric lift table height, the simple operation is easy to go up the hand.

Further, the first switch 21 and the second switch 22 are respectively located at two sides of the pulling piece 4 and are mounted on the circuit board 1, the pulling piece 4 is provided with a first contact portion 43 and a second contact portion 44, the first contact portion 43 is arranged at one side of the pulling piece 4 and corresponds to the first switch 21, and the first contact portion 43 opens the first switch 21; the second contact portion 44 is disposed at the other side of the dial 4 and corresponds to the second switch 22, and the second contact portion 44 is used to open the second switch 22. When the plectrum 4 is positioned at the first opening position, the first contact part 43 opens the first switch 21 to trigger the electric lifting table to drop downwards; when the paddle 4 is in the second open position, the second contact portion 44 opens the second switch 22, triggering the electric lift table to rise upward.

Further, the number of the connection pieces 5 is two. Specifically, the two connecting pieces 5 are arranged at intervals on two sides of the limiting portion 42, so that the elastic force of the connecting pieces 5 acting on the pulling piece 4 is evenly stressed. The first contact portion 43 and the second contact portion 44 are located between the two connecting pieces 5, and when the pulling piece 4 is located at the first opening position or the second opening position in the pulling process of the pulling piece 4, resilience forces of the connecting pieces 5 received by the first contact portion 43 and the second contact portion 44 are equal, so that the first contact portion 43 and the second contact portion 44 can be closed with corresponding switches all the time.

The working process of the plectrum hand controller is as follows:

first, the paddle 4 is located at the initial position without applying external force, the height adjustment of the electric lifting table is unchanged, a certain force is applied to the paddle 4, and the paddle 4 is matched with the first supporting portion 31 and the second supporting portion 32 and performs lever motion in the accommodating cavity of the housing 3. When the pulling piece 4 is positioned at the first opening position, the first contact part 43 opens the first switch 21, the electric lifting table is driven to drop downwards, after reaching the preset height, the pulling piece 4 is loosened, the pulling piece 4 automatically rebounds to the initial position from the first opening position under the action of the rebound force of the connecting piece 5, the first contact part 43 leaves the first switch 21, and the electric lifting table stops descending; next, a certain opposite force is reapplied to the plectrum 4 positioned at the initial position, when the plectrum 4 is positioned at the second opening position, the second contact part 44 opens the second switch 22, the electric lifting table is driven to lift upwards, the plectrum 4 is loosened, the plectrum 4 automatically rebounds to the initial position from the second opening position under the action of the rebound force of the connecting piece 5, the second contact part 44 leaves the second switch 22, and the electric lifting table stops lifting.

The embodiment also provides an electric lifting table, which comprises the shifting piece hand controller. The plectrum hand controller sets up in the desktop below of electric lift table, is provided with first switch 21 and the second switch 22 that have the lift function on the plectrum hand controller, drives electric lift table's height through plectrum 4 of plectrum hand controller and goes up and down the operation, easy and simple to handle, easy to go up the hand.

In the description herein, it should be understood that the terms "upper," "lower," "right," and the like are used for convenience in description and simplicity of operation only, and are not to be construed as limiting the utility model, as the devices or elements referred to must have, be constructed or operated in a particular orientation. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

Furthermore, the foregoing description of the preferred embodiments and the principles of the utility model is provided herein. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. A paddle hand control, comprising:

a circuit board (1) provided with a first switch (21) and a second switch (22);

a housing (3) having a housing chamber capable of housing the circuit board (1), the housing (3) being provided with a first support portion (31) and a second support portion (32), the first support portion (31) and the second support portion (32) being disposed opposite to each other and at a distance from each other;

a pulling piece (4) which is partially positioned in the accommodating cavity, wherein the pulling piece (4) is simultaneously abutted against the first supporting part (31) and the second supporting part (32), the pulling piece (4) can rotate relative to the shell (3) to have an initial position and an opening position, when the pulling piece (4) is positioned at the initial position, the pulling piece (4) is respectively separated from the first switch (21) and the second switch (22), and when the pulling piece (4) is positioned at the opening position, the pulling piece (4) opens the first switch (21) or the second switch (22);

the connecting piece (5) is arranged on the poking piece (4), and the connecting piece (5) can drive the poking piece (4) to move from the opening position to the initial position.

2. The plectrum hand controller according to claim 1, wherein the plectrum (4) is provided with two arc-shaped grooves (41), and the first supporting part (31) and the second supporting part (32) are respectively inserted into the two arc-shaped grooves (41).

3. The plectrum hand control of claim 2, wherein the housing (3) comprises a first housing (33) and a second housing (34), the first support portion (31) and the second support portion (32) being integrally formed with the first housing (33) and the second housing (34), respectively.

4. The plectrum hand controller according to claim 1, wherein the plectrum (4) comprises a limiting part (42) positioned in the accommodating cavity, the limiting part (42) is positioned on the same side of the first supporting part (31) and the second supporting part (32), the limiting part (42) can be abutted to the first supporting part (31) and the second supporting part (32) so as to prevent the plectrum (4) from moving into the shell (3), and the limiting part (42) can be abutted to the inner wall of the shell (3) so as to prevent the plectrum (4) from moving out of the shell (3).

5. The plectrum hand controller according to claim 4, wherein the connecting piece (5) comprises a middle connecting piece (51), a first connecting piece (52) and a second connecting piece (53), wherein two ends of the middle connecting piece (51) are respectively connected with the first connecting piece (52) and the second connecting piece (53), the first connecting piece (52) is connected with the limiting part (42), the second connecting piece (53) is connected with the shell (3), and the middle connecting piece (51) can elastically deform.

6. The paddle hand control of claim 5, wherein the open positions include a first open position and a second open position, the initial position being between the first open position and the second open position, the paddle (4) opening a first switch (21) when the paddle (4) is in the first open position, the paddle (4) opening a second switch (22) when the paddle (4) is in the second open position.

7. The paddle hand control of claim 6, characterized in that the first switch (21) and the second switch (22) are located on both sides of the paddle (4), respectively, the paddle (4) being provided with a first contact portion (43) and a second contact portion (44), the first contact portion (43) being used for opening the first switch (21), the second contact portion (44) being used for opening the second switch (22).

8. The hand-operated device according to claim 7, wherein the number of the connecting pieces (5) is two, the two connecting pieces (5) are arranged at intervals on two sides of the limiting portion (42), and the first contact portion (43) and the second contact portion (44) are located between the two connecting pieces (5).

9. The plectrum hand control according to claim 1, characterized in that the connecting piece (5) is integrally formed with the plectrum (4).

10. An electric lifting table, characterized by comprising the plectrum hand controller of any one of claims 1-9.