WO2024032366A1

WO2024032366A1 - Electric lifting/lowering commode

Info

Publication number: WO2024032366A1
Application number: PCT/CN2023/109060
Authority: WO
Inventors: 马斌; 陆柳畅; 邢科亮
Original assignee: 浙江捷昌线性驱动科技股份有限公司
Priority date: 2021-12-17
Filing date: 2023-07-25
Publication date: 2024-02-15
Also published as: CN218528599U

Abstract

Provided is an electric lifting/lowering commode, comprising a seat plate (2), a chair frame (1), lifting/lowering brackets (3) used for controlling lifting/lowering of the seat plate (2), and driving devices used for driving the lifting/lowering brackets (3) to move. The driving devices each comprise a linear driver (4) and an adjusting module. One end of each linear driver (4) is hingedly connected to a corresponding lifting/lowering bracket (3), and the other end of the linear driver (4) is hingedly connected to a corresponding adjusting module. The adjusting module is used for driving the end portion of the linear driver (4) to move, and the adjusting modules each comprise a pivot connecting assembly hingedly connected to the end portion of the linear driver (4) and a pivot pushing assembly used for driving the pivot connecting assembly to move. According to the electric lifting/lowering commode, a change in a track of the seat plate is realized by means of the position adjustment of the end portions of the linear drivers, the use requirements of persons of different heights in a same place are met, and the universality is high.

Description

An electric lift toilet

Technical field

The present invention relates to the technical field of toilets, and in particular to an electric lifting toilet.

Background technique

When using a traditional toilet, the body's center of gravity shifts during the squatting process. In order to maintain body balance, the user's waist and lower body muscles need to continue to exert force. This situation is not suitable for people with poor lumbar spine and knee joints and the elderly. and pregnant women bring a lot of trouble. There are also devices in the existing mechanism that can use telescopic driving elements to raise and tilt the seat plate. However, they inevitably have defects such as complex structure, poor stability, insufficient lifting height, and excessive inclination angle. The telescopic driving elements in the existing mechanism have no limitations. The movement trajectory is fixed and cannot be used by people of different heights in the same place.

Contents of the invention

The purpose of the present invention is to overcome the above-mentioned problems in the prior art that equipment that uses telescopic drive elements to raise and tilt the seat plate has defects such as complex structure, poor stability, insufficient lifting height, excessive inclination angle, etc., and is unable to meet the use needs of people of different heights in the same place. , provides an electric lifting toilet that changes the trajectory of the seat plate through the adjustment of the end position of the linear actuator to meet the use needs of people of different heights in the same place and has high versatility.

In order to achieve the above objects, the present invention adopts the following technical solutions:

An electric lifting toilet, including a seat panel, a chair frame, a lifting bracket for controlling the lifting and lowering of the seat panel, and a driving device for driving the lifting bracket to move. The driving device includes a linear driver and an adjustment module. One end of the linear driver It is hinged with the lifting bracket, and the other end is hinged with the adjustment module. The adjustment module is used to drive the end position of the linear driver to move. The adjustment module includes a fulcrum connection component that is hinged with the end of the linear driver and a fulcrum connection component that is used to drive the movement of the fulcrum connection component. The fulcrum pushes the assembly.

In this technical solution, the linear actuator telescopically moves, and then drives the lifting bracket to move, causing the seat plate to rise and fall. In this process, the fulcrum pushing component is used to adjust the fulcrum connection component, which in turn drives the end position of the linear actuator to change, causing the lifting bracket to drive The movement trajectory changes when the seat plate moves to meet the needs of different users and has high versatility.

Preferably, the fulcrum connection assembly includes a fulcrum connection member and a sliding seat, the sliding seat is fixed on the chair frame, a guide hole is provided on the sliding seat, the fulcrum connection member is provided in the guide hole, and the fulcrum connection member The bottom of the piece is in contact with the fulcrum pushing assembly, and the fulcrum pushing assembly drives the fulcrum connecting piece to move axially along the guide hole.

The guide hole guides the movement of the fulcrum connector, and the fulcrum push assembly pushes the fulcrum connector to move axially in the guide hole to change the position of the second hinged end connected to the fulcrum connector assembly, thereby changing the motion trajectory of the seat plate.

Preferably, the fulcrum pushing assembly includes a first slide block and a first adjustment rod for pushing the first slide block to move. A sliding slope is provided on the first slide block, and the bottom of the fulcrum connecting member is slidably provided on On the sliding slope.

The fulcrum push assembly pushes the first slider to move through the first adjustment rod to drive the fulcrum connector to expand and contract in the guide hole. The inclined setting of the sliding slope ensures that during the movement of the first slider, the height of the contact position of the bottom of the fulcrum connector Changes occur, which in turn causes the axial position of the fulcrum connector to change in the guide hole, thereby causing the position of the end of the linear actuator that is hinged to the adjustment module to change, thereby changing the effect of the linear actuator after it is pushed out, and achieving stroke amplification.

Preferably, the first adjusting rod is telescopically disposed on the chair frame, the front end of the first adjusting rod is in contact with the first slide block, and there is provided between the first slide block and the sliding seat for providing contact with the chair frame. The adjusting rod opposes the force of the return spring.

The first slider is driven to move by the telescopic movement of the first adjustment rod on the chair frame, and the setting of the return spring plays a reset role for the first slider, so that the first slider is always affected by the first adjustment rod and the return spring. It provides two forces in opposite directions to ensure the force balance of the entire system so that the motion state of the slider is always controllable and in a balanced state.

Preferably, one end of the first adjusting rod is rotatably mounted on the chair frame, and the other end is rotatably mounted on the sliding seat. One end of the first adjusting rod is provided with a handle for driving the adjusting rod to rotate. On the first slider A through hole for passing the first adjusting rod, an external thread is provided on the first adjusting rod, and an internal thread matching the external thread is provided in the through hole.

When in use, the first adjusting rod is driven to rotate by rotating the handle, and since a threaded matching structure is provided between the first slide block and the first adjusting rod, the first adjusting rod drives the first slide block to move when rotating. This in turn drives the fulcrum connector to expand and contract in the guide hole, and the arrangement of internal threads and external threads enables the slider to ensure its own position through thread engagement at any position in the middle.

Preferably, the bottom of the fulcrum connector is in contact with the sliding slope; or a guide chute is provided on the sliding slope of the first slide block, and the bottom of the fulcrum connector is slidably disposed in the guide chute.

The bottom of the fulcrum connector is in contact with the sliding slope to realize the sliding connection between the bottom of the fulcrum connector and the sliding slope, which facilitates the movement of the fulcrum connector by pushing the slider; a guide chute is provided on the sliding slope to oppose the fulcrum The movement of the connecting piece on the sliding slope plays a limiting role.

Preferably, the fulcrum connection assembly includes a swing member, the swing member is hingedly connected to the linear actuator, the swing member is provided with a rotation connection end that is rotationally connected to the chair frame, and the fulcrum push assembly drives the swing member around the rotation connection. Turn the end.

The structure of the fulcrum connection assembly is simplified through the arrangement of the swing piece, requiring fewer parts.

Preferably, the fulcrum pushing assembly includes a second slide block and a second adjustment rod for driving the second slide block to move. The second slide block is in tangential contact with the swinging member, and is provided on the second slide block. There is an arc-shaped convex surface, and the swinging member is provided with an arc-shaped concave surface that matches the arc-shaped convex surface, and the arc-shaped protrusion and the arc-shaped concave surface are arranged to fit together.

The arrangement of the arcuate concave surface and the arcuate convex surface realizes the tangential contact between the second slider and the swinging member, and at the same time makes the slider and the contact block always in surface contact, so that the contact block is more stressed when the slider is pushed. Evenly.

Preferably, the second adjusting rod is configured as a screw, the front end of the second adjusting rod is in contact with the second slider, a mounting hole for passing the screw is provided on the chair frame, and one end of the mounting hole is fixed close to the slider. There is a nut, and the screw rod is threadedly connected to the nut.

The second adjusting rod is set as a screw. When the second adjusting rod pushes the second slider, the telescopic movement of the second adjusting rod on the chair frame can be realized by simply turning the screw, thereby pushing the second slider forward and forward. Move backward, easy to operate, and ensure the static stability of the slider adjustment position through the self-locking force of the thread.

Preferably, the screw is provided with a scale.

The setting of the scale is used to display the moving position of the fulcrum connector, which is conducive to the unification of positions when multiple sets of driving devices work together.

Therefore, the present invention has the following beneficial effects: the adjustment of the end position of the linear actuator realizes the change of the trajectory of the seat plate, so that the movement trajectory of the lifting bracket is changed when the seat plate is driven to move, meeting the needs of different users, and has high versatility; it realizes the fulcrum connector Stepless adjustment of position; other parts are less stressed and have long service life; it is conducive to the unification of positions when multiple sets of driving devices work together.

Description of drawings

Figure 1 is a structural schematic diagram of an electric lift toilet according to the present invention;

Figure 2 is a schematic exploded structural view of the driving device in Embodiment 1;

Figure 3 is a cross-sectional view of the driving device in Embodiment 1;

Figure 4 is a schematic structural diagram of the driving device in Embodiment 1;

Figure 5 is a structural schematic diagram of the driving device in Embodiment 2;

Figure 6 is a cross-sectional view of the driving device in Embodiment 2;

Figure 7 is an exploded structural diagram of the driving device in Embodiment 3;

Figure 8 is a cross-sectional view of the driving device in Embodiment 3;

Figure 9 is a structural schematic diagram of the driving device in Embodiment 3;

In the picture: 1. Chair frame 2. Seat plate 3. Lifting bracket 4. Linear actuator 401, first hinged end 402, second hinged end 5. Fulcrum connector 6. Slide seat 601, guide hole 602, guide slope 7, First slide block 701, sliding slope 8, swing member 9, contact block 10, first adjusting rod 11, nut 12, return spring 13, fulcrum connecting block 14, rotating member 1201, handle 15, second adjusting rod.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Example 1:

In Embodiment 1 shown in Figure 1, an electric lifting toilet includes a seat plate 2, a lifting bracket 3, a chair frame 1 and a driving device. The lifting bracket 3 is used to drive the seat plate 2 to lift. The lifting bracket 3 One end is connected to the seat plate 2, and the other end is hinged to the driving device. The driving device includes a linear drive 4 and an adjustment module. The linear drive 4 includes a first hinge end 401 hinged with the lifting bracket 3 and a second hinge used to hinge with the adjustment module. End 402, the adjustment module is used to adjust the position of the second hinge end 402. The adjustment module includes a fulcrum connection component hinged with the second hinge end 402 and a fulcrum push module for pushing the fulcrum connection component to move. The fulcrum push module is arranged on the chair frame. 1 on. The fulcrum connection assembly includes a fulcrum connection 5 and a sliding seat 6 for limiting the movement of the fulcrum connection 5. The sliding seat 6 is fixed at the bottom of the chair frame 1. A guide hole 601 is provided on the sliding seat 6. The fulcrum connection 5 slides Set in the guide hole 601, the bottom of the fulcrum connector 5 is in contact with the fulcrum push assembly. The fulcrum push assembly drives the fulcrum connector 5 to move axially along the guide hole. The guide hole plays a guiding role in guiding the movement of the fulcrum connector 5. The fulcrum push assembly The assembly pushes the fulcrum connection member 5 to move axially in the guide hole and thereby changes the position of the second hinge end 402 connected to the fulcrum connection assembly, thereby changing the motion trajectory of the seat plate 2, meeting the needs of different users, and having high versatility.

As shown in Figures 2, 3, and 4, the fulcrum push assembly includes a first slider 7 and a first adjustment rod 10 for pushing the first slider 7 to move. A sliding slope 701 is provided on the first slider 7 , the bottom of the fulcrum connector 5 is slidably disposed on the sliding slope 701. In this embodiment, the bottom of the fulcrum connector 5 is in contact with the sliding slope 701 . The first adjusting rod 10 is telescopically disposed on the chair frame 1. The front end of the first adjusting rod 10 is in contact with the first slide block 7. There is provided between the first slide block 7 and the sliding base 6 for providing the opposite direction to the adjusting rod. The force of the return spring 12. The setting of the return spring 12 has a restoring effect on the first slider 7, so that the first slider 7 is always subject to two forces in opposite directions provided by the first adjustment rod 10 and the return spring 12, thereby ensuring the force balance of the entire system. The movement state of the slider is always controllable and balanced. In this embodiment, the first adjusting rod 10 is configured as a screw. The chair frame 1 is provided with an adjusting hole for passing the screw. A nut 11 is fixed on the adjusting hole. The nut 11 is threadedly connected to the screw. When in use, Since the nut 11 is fixed, the telescopic movement of the first adjusting rod 10 on the chair frame 1 can be realized by simply turning the screw rod, thereby pushing the slider to move. Such an arrangement facilitates the screw to stop at any position, that is, it facilitates stepless adjustment of the fulcrum connector 5 . In addition, the screw is also provided with a scale, which is used to display the protruding position of the fulcrum connector 5 on the guide hole, thereby facilitating the unification of positions when multiple sets of driving devices work together.

In order to guide the movement of the first slide block 7, a guide slide cavity is provided on the slide base 6, and the first slide block 7 is arranged in the guide slide cavity, or a limit is set between the first slide block 7 and the chair frame 1. In the position guide structure, a limit guide groove is provided at the bottom of the first slider 7, and a limit guide protrusion is provided on the chair frame 1. The limit guide groove is set outside the limit wire protrusion.

In addition, in this embodiment, the slide base 6 is provided with a guide slope 602, and the guide hole 601 is provided on the guide slope 602. The guide slope 601 on the slide base 6 is parallel to the sliding slope 701 on the slide block, and the guide hole 601 is provided on the guide slope 602. The axis is set perpendicular to the guide slope to avoid jamming during the expansion and contraction of the fulcrum connector 5.

The specific adjustment method of the linear actuator 4 in this embodiment 1 is as follows: by screwing in and out of the first adjusting rod 10 Come out and push the first slider 7 to move forward or backward in the slide base 6, so that a relative displacement occurs between the fulcrum connector 5 and the first slider 7. Since the bottom of the fulcrum slides, it is provided on the sliding slope of the first slider 7. 701, as the first slider 7 moves, the length of the fulcrum connector 5 protruding in the guide hole of the slider 6 changes, thereby changing the position of the second hinge end 402 of the linear actuator 4, in which the first slider changes. The forward movement of the block 7 is achieved by the first adjusting rod 10 acting on the rear end surface of the first slide block 7, while the backward movement of the first slide block 7 is achieved by the return spring 12 acting on the front end surface of the first slide block 7. This is achieved by continuously providing backward force. During the entire movement process, the first slider 7 is always subjected to the force in the opposite direction provided by the screw and the return spring 12, thereby ensuring that the force balance of the entire system is maintained, so that the movement state of the first slider 7 is always in a balanced state.

Example 2:

As shown in Figures 5 and 6, the technical solution of Embodiment 2 is basically the same as that of Embodiment 1, except that one end of the first adjusting rod 10 is rotatably mounted on the chair frame 1, and the other end is rotatably mounted on the chair frame 1. The sliding seat 6 has a handle 1201 for driving the adjusting rod to rotate at one end of the first adjusting rod 10, and a through hole for passing the first adjusting rod 10 on the first sliding block 7. 10 is provided with external threads, and the through hole is provided with internal threads that cooperate with the external threads. When in use, the first adjusting rod 10 is driven to rotate by the rotation of the handle 1201, and since a threaded matching structure is provided between the first slider 7 and the first adjusting rod 10, the first adjusting rod 10 drives the second adjusting rod 10 when rotating. A slider 7 moves, thereby driving the fulcrum connector 5 to expand and contract in the guide hole, and the arrangement of internal threads and external threads enables the slider to ensure its own position through thread engagement at any position in the middle.

In order to further limit the movement between the fulcrum connector 5 and the sliding slope, a guide chute is provided on the sliding slope of the first slide block 7 , and the bottom of the fulcrum connector 5 is slidably disposed in the guide chute.

In addition, a metal probe is installed on the side of the first slider 7, a notch is provided on the side of the slider 6, the metal probe protrudes from the notch, and a scale is provided near the notch on the slider 6. The user can point through the probe. Check the position on the scale of the sliding seat 6 to know the extended position of the fulcrum connector 5, thereby ensuring the consistency of the fulcrum positions of the chair frames 1 on both sides.

The specific adjustment method of the linear actuator 4 in this embodiment 2 is as follows: the first slide block 7 is moved backward or forward by screwing in and out of the first adjusting rod 10. When the first adjusting rod 10 is screwed out of the slide block, The slider moves forward relative to the chair frame 1, and the fulcrum connector 5 extends out of the slide base 6. When the sliding slope of the first slide block 7 fits the inner wall of the slide base 6, the slide block moves to the front end. When the first adjustment rod 10 is screwed in When the first slider 7 is moved, the first slider 7 moves backward relative to the chair frame 1, and the fulcrum connector 5 retracts into the guide hole of the slide base 6. When the rear end surface of the first slider 7 contacts the chair frame 1, the first slider 7 moves backward relative to the chair frame 1. The slider 7 moves to the rearmost end. In addition, at any position in the middle, the first slider 7 ensures its position through thread engagement.

Example 3:

As shown in Figures 7, 8, and 9, the technical solution of Embodiment 3 is basically the same as that of Embodiment 1, except that the fulcrum adjustment assembly includes a swinging member 8, and the swinging member 8 and the linear actuator 4 The second hinged end 402 is hinged, fulcrum The pushing assembly drives the swing member 8 to rotate around the rotary connection end. The swinging member 8 is provided with a fulcrum connection block 13 for hinged connection with the linear actuator 4 , and the fulcrum connection block 13 is welded to the swinging member 8 . In addition, a rotating member 14 is provided between the swinging member 8 and the chair frame 1. The rotating member 14 is provided above the adjusting rod. In this embodiment, the rotating member 14 is configured as a nut bolt through which the swinging member 8 and the chair frame 1 pass. Connect with nut and bolts. In addition, the rotating member 14 can also be configured as a pin or the like.

In this embodiment, the swing member 8 is sleeved outside the slider to facilitate limiting the movement of the slider.

In addition, the fulcrum pushing assembly includes a second slide block and a second adjustment rod 15 for driving the second slide block to move. The second slide block is in tangential contact with the swinging member 8 . The second slider is provided with an arcuate convex surface, and the swing member 8 is provided with an arcuate concave surface that matches the arcuate convex surface, and the arcuate convexity and the arcuate concave surface are arranged to fit together. In this embodiment, a contact block 9 is provided between the swing member 8 and the slider. The contact block 9 is fixed on the swing member 8 and is arranged in close contact with the slider. The slider and the contact block 9 are in tangential contact. , the arc-shaped concave surface is provided on the contact block 9, and the second adjustment rod 15 is provided as a screw. The front end of the second adjustment rod 15 is in contact with the second slide block. The chair frame 1 is provided with an installation for threading the screw. hole, a nut 11 is fixed at one end of the mounting hole close to the slider, the screw is threadedly connected to the nut 11, and a scale is provided on the screw. The scale is set to display the moving position of the fulcrum connector 5, which is conducive to the convenience of multiple groups of drives. Unity of position when devices work together.

The specific adjustment method for the linear actuator 4 in this embodiment 3 is as follows: rotate the second adjustment rod 15. When the second adjustment rod 15 moves forward, the second slider moves forward to push the swing member 8 to rotate around the chair frame 1. The rotation of the member 14 drives the fulcrum connection block 13 to move forward, thereby changing the position of the second hinged end 402 of the linear actuator 4. When the screw moves backward, the swing member 8 pushes the slider to move under the action of gravity, driving the fulcrum connection block. 13 moves backward, thereby changing the position of the second hinge end 402 of the linear actuator 4.

It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the above description refer to the directions in the drawings, and the words "inside" and "outside" ” refers to the direction toward or away from the geometric center of a specific part, respectively.

The above embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. For those skilled in the art, various other corresponding changes and deformations can be made based on the technical solutions and concepts described above, and all these changes and deformations should fall within the protection scope of the claims of the present invention.

Claims

An electric lifting toilet, characterized by comprising a seat plate, a chair frame, a lifting bracket for controlling the lifting and lowering of the seat plate, and a driving device for driving the lifting bracket to move. The driving device includes a linear driver and an adjustment module, so One end of the linear actuator is hinged to the lifting bracket, and the other end is hinged to an adjustment module. The adjustment module is used to drive the end position of the linear actuator to move. The adjustment module includes a fulcrum connection component that is hinged to the end of the linear actuator and is used to change the position of the linear actuator. A fulcrum push assembly is located at the end of the linear actuator.
An electric lifting toilet according to claim 1, characterized in that the fulcrum connection assembly includes a fulcrum connection piece and a sliding seat, the sliding seat is fixed on the chair frame, and a guide hole is provided on the sliding seat. The fulcrum connector is disposed in the guide hole, the bottom of the fulcrum connector is in contact with the fulcrum push assembly, and the fulcrum push assembly drives the fulcrum connector to move axially along the guide hole.
An electric lifting toilet according to claim 2, characterized in that the fulcrum push assembly includes a first slide block and a first adjustment rod for pushing the first slide block to move, and when the first slide block A sliding slope is provided on the upper part, and the bottom of the fulcrum connector is slidably arranged on the sliding slope.
An electric lifting toilet according to claim 3, characterized in that the first adjusting rod is telescopically arranged on the chair frame, and the front end of the first adjusting rod is in contact with the first slider. A return spring for providing a force opposite to the adjusting rod is provided between the first slide block and the sliding seat.
An electric lifting toilet according to claim 3, characterized in that one end of the first adjusting rod is rotatably arranged on the chair frame, the other end is rotatably arranged on the sliding seat, and one end of the first adjusting rod is provided with a The handle that drives the first adjusting rod to rotate is provided with a through hole for passing the first adjusting rod on the first slider. The first adjusting rod is provided with an external thread, and the through hole is provided with an external thread. Threaded internal thread.
An electric lifting toilet according to claim 3, 4 or 5, characterized in that the bottom of the fulcrum connecting piece is in contact with the sliding slope; or a guide slide is provided on the sliding slope of the first slide block. groove, and the bottom of the fulcrum connector is slidably arranged in the guide chute.
An electric lifting toilet according to claim 1, characterized in that the fulcrum connection module includes a swing member, the swing member is hingedly connected to the linear driver, and the swing member is provided with a swing member that is rotationally connected to the chair frame. Rotate the connecting end, and the fulcrum pushing assembly drives the swinging member to rotate around the rotating connecting end.
An electric lifting toilet according to claim 7, characterized in that the fulcrum pushing assembly includes a second slide block and a second adjustment rod for driving the second slide block to move, the second slide block and The swinging parts are in tangential contact, the second slider is provided with an arc-shaped convex surface, the swinging part is provided with an arc-shaped concave surface that matches the arc-shaped convex surface, and the arc-shaped protrusion and the arc-shaped concave surface are arranged to fit together.
An electric lifting toilet according to claim 8, characterized in that the second adjusting rod is configured as a screw, The front end of the second adjusting rod is in contact with the second slide block. The chair frame is provided with a mounting hole for passing the screw rod. A nut is fixed at one end of the mounting hole close to the slide block. The screw rod is threadedly connected to the nut.
The electric lift toilet according to claim 9, characterized in that a scale line is provided on the screw rod.