TWI637711B - Auxiliary cushion - Google Patents

Abstract

The invention is an auxiliary seat cushion comprising a base, a cushion body, a motor, a worm, a worm wheel and a ram. Wherein, one pivotal end of the pad body is pivotally connected to one end of the base; the motor has a rotating shaft; the worm is connected to the rotating shaft of the motor; the worm wheel meshes with the worm; one end of the ejector is connected to the worm wheel, and the other end of the ejector is The other end of the top pad body, wherein the motor is rotated, the worm is rotated via the rotating shaft to drive the worm wheel and the ram to rotate, so that the ejector pin tops the moving end of the pad body.

Description

Auxiliary cushion

The invention relates to a seat cushion, in particular to an auxiliary seat cushion which is driven by a motor to drive the worm wheel and the ram to rotate to raise the moving end of the cushion body.

Along with the aging phenomenon caused by age, the physiological impact is unavoidable, especially the deterioration of the joints of the body. In addition to causing different degrees of illness, it also causes many inconveniences to daily life. In the knee joint part of the feet, in the case where the knee joint has been used in a large amount in daily life, the knee joint is affected by aging, and the knee joint is degraded, so that the elderly or the joints have poor general living life. Greatly affected. The commercially available auxiliary standing seats are now more complex in terms of organization and therefore more expensive.

In view of the above-mentioned problems of the prior art, the object of the present invention is to provide an auxiliary seat cushion, which is driven by a motor to drive the worm, the worm wheel and the ejector rod to rotate, so that the ejector rod tops the moving end of the cushion body to assist the user from the cushion body. Get up and reduce the burden on the user's knee joint.

The invention is an auxiliary seat cushion comprising a base, a cushion body, a motor, a worm, a worm wheel and a ram. The pivoting end of the pad body is pivotally connected to one end of the base, and the motor has a rotating shaft. The worm is connected to the rotating shaft of the motor, and the worm wheel meshes with the worm. One end of the ram is connected to the worm wheel, and the other end of the ram is abutted against the other end of the top pad body. When the motor is running, the worm is rotated via the rotating shaft to drive the worm wheel and the ejector connecting the worm wheel to rotate, thereby making the ejector rod The other end of the top is the moving end of the pad.

Wherein, the auxiliary seat cushion of the present invention further comprises a power source, and the power source is electrically connected to the motor via the electric circuit, and the motor is supplied with electric power to the motor to perform the clockwise operation mode or the counterclockwise operation mode.

Wherein, the auxiliary seat cushion of the present invention further comprises a control switch for controlling the electrical connection of the electric circuit to control the motor to perform the clockwise operation mode, the counterclockwise operation mode or the stop operation mode.

The auxiliary seat cushion of the present invention further includes at least one first limit switch, and the first limit open relationship electrically connects the control switch, and when the jack is rotated to the first preset angle, the jack triggers the first limit switch to transmit the first The switching signal is given to the control switch to cause the control switch to control the motor to switch from the clockwise mode to the stop mode.

Wherein, the auxiliary seat cushion of the present invention further comprises a timing unit, wherein the timing unit is an electrical connection control switch, wherein when the control switch control motor switches from the clockwise operation mode to the stop operation mode, the control open relationship synchronously triggers the timing unit to perform the timing action. To count for a time.

Wherein, in the auxiliary seat cushion of the present invention, when the time counted by the timing action of the timing unit reaches a preset value, the control switch control motor is switched from the stop operation mode to the counterclockwise operation mode.

The auxiliary seat cushion of the present invention further includes at least one second limit switch, and the second limit open relationship electrically connects the control switch. When the ejector pin rotates to the second preset angle, the ejector pin triggers the second limit switch to transmit the second The signal is switched to the control switch to cause the control switch to control the motor to switch from the counterclockwise mode to the stop mode.

Wherein, the ejector pin of the auxiliary seat cushion of the present invention has the same rotation direction as the worm wheel.

Wherein, the pivoting end of the auxiliary cushion body of the present invention is located on the opposite side from the moving end.

The base of the auxiliary seat cushion of the present invention may, for example, have a receiving groove, and the receiving groove may, for example, accommodate a motor, a worm, a worm wheel and a ram.

In summary, the auxiliary seat cushion of the present invention has the following advantages:

(1) When the jack is triggered to the first limit switch, the control switch controls the motor to switch from the clockwise mode to the stop mode, allowing the user enough time to slowly get up from the pad and lower the knee joint. burden.

(2) After the control switch controls the motor to change from the clockwise operation mode to the stop operation mode, the timing unit is triggered synchronously, and the user can set the preset value of the counting time by itself, for example, the preset value is 60 seconds, thereby allowing the ride Old people on the pad or users with foot injuries can slowly get up to protect the knee or other foot parts from secondary injury.

(3) The ejector pin of the present invention is a moving end of the top pad body, thereby supporting the user's buttocks to assist the user to get up.

(4) The auxiliary seat cushion of the present invention has a portable power source, so the installation position is not limited to the position of the power socket.

The technical features, contents, and advantages of the present invention and the efficacies thereof can be understood by the present inventors. The present invention will be described in conjunction with the drawings and will be described in detail with reference to the embodiments. The subject matter is only for the purpose of illustration and description. It is not intended to be a true proportion and precise configuration after the implementation of the present invention. Therefore, the scope and configuration relationship of the attached drawings should not be interpreted or limited. For the sake of easy understanding, the same components in the following embodiments are denoted by the same reference numerals to indicate the same.

Referring to FIGS. 1 through 4, the present invention is an auxiliary cushion comprising a base 10, a cushion body 20, a motor 30, a worm 40, a worm gear 50, and a jack 60. The pivoting end 21 of the pad body 20 of the present invention is pivotally connected to one end of the base 10, and the motor 30 has a rotating shaft 31. Further, the worm 40 of the present invention is coupled to the rotating shaft 31 of the motor 30, and the worm wheel 50 is engaged with the worm 40. Moreover, one end of the jack 60 is connected to the worm wheel 50, and the other end of the jack 60 is abutted against the other end of the top pad body 20, wherein the motor 30 rotates the worm 40 via the rotating shaft 31 to drive the worm wheel 50 and the connecting worm wheel 50. The jack 60 is rotated so that the other end of the jack 60 is raised to the top of one of the mats 20. The ejector pin 60 described above has the same direction of rotation as the worm wheel 50, and the pivot end 21 of the pad body 20 and the moving end 22 are located on opposite sides.

In other words, the auxiliary seat cushion of the present invention may further include a power source 70, a control switch 90, and a first limit switch 100. The power source 70 is electrically connected to the motor 30 via the electrical circuit 80, and supplies power to the motor 30 to cause the motor 30 to perform a clockwise operation mode or a counterclockwise operation mode. The power source 70 can be, for example, a single-use battery, or can be, for example, a battery, wherein the battery can be charged, for example, via mains charging or via a mobile power source, and the battery can also be, for example, a charging connector on the side wall of the base (not drawn Show) charging. Further, the control switch 90 of the present invention is connected to the electrical circuit 80, and controls the motor 30 via the electrical circuit 80 to perform a clockwise operation mode, a counterclockwise operation mode, or a stop operation mode. In addition, the first limit switch 100 of the present invention is electrically connected to the control switch 90. When the jack 60 is rotated to the first preset angle, the jack 60 triggers the first limit switch 100 to transmit the first switching signal 101 to the control switch 90. So that the control switch 90 controls the motor 30 to switch from the clockwise mode to the stop mode.

Furthermore, the auxiliary seat cushion of the present invention may further include a timing unit 120 and a second limit switch 110. The timing unit 120 of the present invention is electrically connected to the control switch 90. When the control switch 90 controls the motor 30 to switch from the clockwise operation mode to the stop operation mode, the control switch 90 synchronizes the trigger timing unit 120 to perform the timing operation to count. For a time. Moreover, when the time counted by the timing action of the timing unit 120 reaches a preset value, the control switch 90 controls the motor 30 to switch from the stop operation mode to the counterclockwise operation mode. In addition, the second limit switch 110 of the present invention is electrically connected to the control switch 90. When the jack 60 is rotated to the second preset angle, the jack 60 triggers the second limit switch 110 to transmit the second switching signal 111 to the control switch 90. So that the control switch 90 controls the motor 30 to switch from the counterclockwise mode to the stop mode. The pedestal 10 has a accommodating groove 11 and the top end of the accommodating groove 11 is an opening, and the power source 70, the motor 30, the worm 40, the worm wheel 50, the ejector pin 60, the timing unit 120, the first limit switch 100 and the The two limit switches 110 can be disposed, for example, in the accommodating groove 11. The first limit switch 100 and the second limit switch 110 can be, for example, a micro switch.

Please continue to refer to Figure 1 to Figure 4. In order to reduce the user's inconvenience caused by the aging of the knee joint. For example, when the user wants to use the auxiliary seat cushion of the present invention, the base 10 can be placed on a chair 200 first, and the user 300 rides on the cushion body 20. Then, when the user wants to get up from the pad body 20, the control switch 90 can be turned on first, so that the motor 30 performs clockwise operation. When the motor 30 rotates, the worm 40 that connects the rotating shaft 31 of the motor 30 will be, for example, compliant. The hour hand rotates and drives the worm wheel 50 and the ram 60 connected to the worm wheel 50 to rotate, so that the ram 60 rotates, so that the ejector pin 60 raises the moving end 22 of the pad body 20, thereby raising the buttocks of the user 300. When the jack 60 is gradually rotated to the first predetermined angle, the first limit switch 100 will be triggered. Moreover, when the first limit switch 100 is triggered, the first switching signal 101 is transmitted to the control switch 90, thereby causing the control switch 90 to control the motor 30 to switch from the clockwise operation state to the stop operation mode, so that the pad body 20 maintains a top. High state (as shown in Figure 2, the moving end of the pad is topped). Therefore, the auxiliary seat of the present invention supports the user's buttocks by lifting the buttocks of the user 300 by the pad body 20, which not only reduces the burden on the knee joint of the user 300, but also helps the elderly to get up.

In other words, when the motor 30 is switched from the clockwise operation state to the stop operation mode, the control switch 90 synchronously triggers the timing unit 120 to cause the timing unit 120 to perform the timing operation. The timing unit 120 can be, for example, a timer or a timing module. When the timing unit 120 counts up to a predetermined value, the control switch 90 of the electrical connection timing unit 120 will control the motor 30 to switch from the stop operation mode to the counterclockwise operation mode. Then, the rotating shaft 31 of the motor 30 of the present invention will rotate counterclockwise, and the worm 40 connected to the rotating shaft 31 of the motor 30 will also rotate counterclockwise together, thereby driving the worm wheel 50 and the ram 60 connected to the worm wheel 50 to rotate. . Similarly, after the jack 60 is rotated to the second preset angle and the second limit switch 110 is triggered, the second limit switch 110 transmits the second switching signal 111 to the control switch 90, and the control switch 90 is based on the second switching signal 111. The control motor 30 is switched from the counterclockwise operation state to the stop operation mode so that the pad body 20 and the base 10 are in a mutually parallel state, for example, the pad body collapsed state shown in FIG. The preset value may be, for example, 10 seconds or 20 seconds. However, the preset value is not particularly limited, and the preset value may be adjusted according to the speed at which the user gets up to meet the needs of the user. The control switch 90 can be, for example, an electronic switch having a control unit. However, the above-described control switch 90 is merely an example, and the control switch 90 can be in other forms as long as the cost-effective switching function can be applied to the present invention.

In the above, the first preset angle and the second preset angle of the present invention may be, for example, between 0 degrees and 50 degrees, but the limit is not limited thereto, and the first preset angle and the first preset angle may be adjusted according to actual needs. Two preset angles. The first preset angle may be, for example, 30 degrees, and the second preset angle may be, for example, 0 degrees. The first limit switch 100 and the second limit switch 110 are disposed on the moving path of the jack 60, for example, on the side wall of the base 10, and are preferably disposed on two opposite sides to make the top The lever 60 can trigger the first limit switch 100 or the second limit switch 110, respectively, while moving. In addition, the number of the ejector pins 60 of the present invention may be, for example, two, and the two ejector pins are respectively disposed on both sides of the worm wheel 50 and operate in synchronization. Here, in FIG. 1 and FIG. 2, in order to make the drawing simple, only one ejector is shown as an example.

In summary, through the design of the auxiliary seat cushion of the present invention, the worm, the worm wheel and the ejector rod are rotated by the motor, so that the ejector rod tops the moving end of the cushion body to assist the user to get up from the cushion body and reduce The burden on the knees of the user and helps the elderly to get up.

The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of this creation shall be included in the scope of the appended patent application.

10‧‧‧ Pedestal

11‧‧‧ accommodating slots

20‧‧‧ cushion body

21‧‧‧ pivot end

22‧‧‧Mobile

30‧‧‧Motor

31‧‧‧Rotary axis

40‧‧‧ worm

50‧‧‧ worm gear

60‧‧‧Pole

70‧‧‧Power supply

80‧‧‧Electrical circuit

90‧‧‧Control switch

100‧‧‧First limit switch

101‧‧‧First switching signal

120‧‧‧Time unit

110‧‧‧Second limit switch

111‧‧‧Second switching signal

200‧‧‧ chairs

300‧‧‧Users

1 is a schematic cross-sectional view showing the pad body of the auxiliary seat cushion of the present invention.

2 is a schematic cross-sectional view showing the pad body of the auxiliary seat cushion of the present invention being topped.

3 is a side view of the control switch of the auxiliary seat cushion of the present invention disposed on the base.

Figure 4 is a block diagram of the circuit of the auxiliary seat cushion of the present invention.

Claims (10)

An auxiliary seat cushion includes at least: a base; a pad body, one pivotal end of the pad body is pivotally connected to one end of the base; a motor, the motor has a rotating shaft; and a worm is connected to the worm a rotating shaft of the motor; a worm wheel that meshes with the worm; and a jack, one end of which is connected to the worm wheel, the other end of the jack is abutting against the other end of the mat body, wherein the motor During operation, the worm is rotated via the rotating shaft, so that the worm is rotated only by driving the worm wheel and the ram connecting the worm wheel, so that the other end of the ram is raised higher than one moving end of the pad body. The auxiliary seat cushion according to claim 1, wherein the auxiliary seat cushion further comprises a power source electrically connected to the motor via an electrical circuit, and the motor is supplied with power by supplying power to the motor. The hour hand operation mode or the counterclockwise operation mode. The auxiliary seat cushion of claim 2, wherein the auxiliary seat cushion further comprises a control switch connected to the electrical circuit to control the motor to perform the clockwise operation mode, the counterclockwise operation mode or Stop operation mode. The auxiliary seat cushion of claim 3, wherein the auxiliary seat cushion further comprises at least one first limit switch electrically connected to the control switch when the jack is rotated to a first preset At an angle, the jack triggers the first limit switch to transmit a first switching signal to the control switch, so that the control switch controls the motor to switch from the clockwise mode to the stop mode. The auxiliary seat cushion of claim 4, wherein the auxiliary seat cushion further comprises a timing unit electrically connected to the control switch, wherein when the control switch controls the motor to switch from the clockwise operation mode to the When the operation mode is stopped, the control open relationship synchronously triggers the timing unit to perform a timing action to count for a time. The auxiliary seat cushion of claim 5, wherein the control switch controls the motor to switch from the stop operation mode to the counterclockwise when the time counted by the timing action of the timing unit reaches a preset value Operation mode. The auxiliary seat cushion of claim 4, wherein the auxiliary seat cushion further comprises at least one second limit switch electrically connected to the control switch when the top When the lever rotates to a second predetermined angle, the jack triggers the second limit switch to transmit a second switching signal to the control switch, so that the control switch controls the motor to switch from the counterclockwise operation mode to the stop operation. mode. The auxiliary seat cushion according to claim 1, wherein the jack is rotated in the same direction as the worm wheel. The auxiliary seat cushion of claim 1, wherein the pivoting end of the cushion body is located on an opposite side of the moving end. The auxiliary seat cushion of claim 1, wherein the base has an accommodating groove for accommodating the motor, the worm, the worm wheel and the ram.