Gravity type sitting sensing device and toilet seat cushion

Through the gravity-type seating sensing device, the gravity contact between the metal contacts and the contact piece is used to expand the sensing area, which solves the shortcomings of the capacitive sensing solution and achieves a low-cost and high-sensitivity sensing effect.

CN223392375UActive Publication Date: 2025-09-30GUANGDONG WEALWELL TECH CO LTD
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Patent Information

Application Number
CN202422674665.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-09-30
Estimated Expiration
2034-11-01

AI Technical Summary

Technical Problem

The capacitive sensing solution of existing smart toilets cannot trigger a signal when the human seat is far away from the sensing area or when there is insulating material on the seat ring, resulting in an insufficient sensing area, increasing costs and manufacturing difficulties.

Method used

A gravity-type seating sensing device is used, with separated metal contacts and metal contact sheets. The gravity when the user sits down is used to move the metal contact sheets to contact the metal contacts, thereby expanding the sensing area. Combined with a reset spring, the sensitivity and cost are optimized.

Benefits of technology

The expansion of the sensing area is achieved, the cost is reduced, the sensitivity of the sensing device and the convenience of installation are improved, and hard impact and noise are reduced.

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Abstract

The utility model provides a gravity type sitting induction device and a toilet seat cushion. The gravity type sitting induction device comprises a fixing support, a metal contact, a stress support, a metal contact piece and a reset spring. The fixed support is provided with a fixed mounting structure and a mounting position, and the two metal contacts are mounted at the mounting position of the fixed support at an interval. The stress support is installed at the bottom of the inner space of the toilet seat cushion, and the metal support is installed on the stress support and is opposite to the two metal contacts. In order to enable the metal support to move up and down, the stress support or the metal contact piece is installed in a telescopic mode. According to the gravity type sitting sensing device, the metal contact and the metal contact piece which are separated from each other are arranged, after a user falls on the metal contact piece, the metal contact piece further compresses a closestool through a closestool cushion and can move towards the metal contact to make contact with the metal contact, and the gravity type sitting sensing device is small in size and low in cost; the sensing area is expanded to the whole toilet seat cushion, and the high sensitivity is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of sensing devices, in particular to a gravity-type seating sensing device and a toilet seat cushion. Background Art

[0002] Currently, most smart toilets in the industry implement human seat sensing through capacitive sensing. Capacitive sensing uses the human body as a conductive medium to change the capacitance of a capacitor. Most capacitive sensing methods utilize single-point sensing. When the human body is located far from the sensing area or when there is insulating material on the seat, the sensing signal cannot be triggered. Therefore, smart toilets in the industry must expand the sensing area to include the human body in the sensing area in order to trigger the seat sensing signal, which increases cost and manufacturing difficulty. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a toilet seat sensing structure with small size and low cost.

[0004] In a first aspect, a gravity-type seating sensing device is provided, comprising a fixed bracket, a metal contact, a force-bearing bracket, a metal contact sheet, and a reset spring, wherein:

[0005] The fixing bracket is provided with a fixing mounting structure and a mounting position, and the fixing bracket is mounted on the top of the inner space of the toilet seat through the fixing mounting structure. The metal contacts are two and are installed at intervals at the mounting position of the fixing bracket and exposed relative to the bottom of the inner space of the toilet seat.

[0006] The force-bearing bracket is installed at the bottom of the inner space of the toilet seat and is installed opposite to the fixed bracket. The metal bracket is installed on the force-bearing bracket and is opposite to the two metal contacts, so that it can contact the two metal contacts at the same time when moving upward.

[0007] To achieve vertical movement of the metal bracket, the force-bearing bracket is telescopically mounted, with its bottom end protruding from the bottom of the toilet seat. A return spring is installed between the force-bearing bracket and the fixed bracket / toilet seat. When the bottom of the force-bearing bracket is pressed, the metal bracket overcomes the return spring force and simultaneously contacts the two metal contacts. Alternatively, the metal contact piece is telescopically mounted, with its bottom end protruding from the bottom of the toilet seat. The return spring is installed between the metal contact piece and the fixed bracket / force-bearing bracket. When the bottom of the metal bracket is pressed, the return spring force overcomes the return spring force and simultaneously contacts the two metal contacts.

[0008] The gravity-type seat sensing device provided by the present invention is configured with separate metal contacts and metal contact pieces. After the user lands on the toilet, the metal contact piece further presses the toilet bowl through the toilet seat cushion, and moves toward and contacts the metal contact. The device is not only small in size and low in cost, but also has the advantage of expanding the sensing area to the entire toilet seat cushion, and has high sensitivity.

[0009] Preferably, the periphery of the force-bearing bracket is provided with an inverted buckle, and the force-bearing bracket is floatingly installed on the mounting port at the bottom of the internal space of the toilet seat through the inverted buckle. The structure is simple and easy to install, and the return spring is compressed and installed between the fixed bracket and the force-bearing bracket.

[0010] Preferably, in order to increase the up and down floating range of the force-bearing bracket, upwardly extending guide columns are provided around the force-bearing bracket, and the undercut is provided on the outer side of the top end of the guide column.

[0011] Preferably, a boss or a limiting groove for limiting the end of the reset spring is provided on the side opposite to the fixed bracket and the force-bearing bracket, so as to prevent the reset spring from falling off and causing failure of the sensing device.

[0012] Preferably, a rubber pad is further provided at the bottom of the force-bearing bracket. On the one hand, the sensing device can be used as a bottom cushion for the toilet seat, which can reduce the hard impact and noise when the toilet seat is lowered. On the other hand, it can also prevent the sensing device from being easily damaged.

[0013] Preferably, the rubber pad is mounted on the bottom of the stress-bearing bracket by a buckle, or the rubber pad is glued and fixed on the bottom of the stress-bearing bracket, which is convenient for installation.

[0014] Preferably, the fixed installation structure is a mounting hole, the fixing bracket is fixedly installed by screws passing through the mounting hole, the installation position is a through hole, and the top end of the metal contact is inserted into the through hole for fixed installation.

[0015] Preferably, a fixed end with a larger diameter is provided on the outer periphery of the top end of the metal contact, and the bottom end of the metal contact is inserted from the top end of the fixing bracket. The fixing bracket presses the fixed end of the metal contact into the toilet seat through the through hole. The metal contact is firmly installed and the installation process is simple and easy to operate.

[0016] Preferably, the top of the fixing bracket is also provided with a positioning groove for assembly, which is used in conjunction with the protrusion inside the toilet seat during assembly to improve the accuracy of the installation position.

[0017] In a second aspect, a toilet seat cushion is provided, which adopts the gravity-type seat sensing device described in the first aspect.

[0018] From the above description of the utility model, it can be seen that the utility model has the following beneficial effects:

[0019] The gravity-type seat sensing device provided by the utility model is provided with separate metal contacts and metal contact sheets. After the user lands on the toilet, the metal contact sheet is further pressed against the toilet by the toilet seat cushion, and moves toward and contacts the metal contact sheet. This device is not only small in size and low in cost, but also has the advantage of expanding the sensing area to the entire toilet seat cushion, and has high sensitivity.

[0020] The load-bearing bracket is installed by inverted floating, which has a simple structure and is easy to install;

[0021] The bottom of the force-bearing bracket is also provided with a rubber pad. On the one hand, the sensing device can be used as a soft pad at the bottom of the toilet seat to reduce the hard impact and noise when the toilet seat is put down. On the other hand, it can also prevent the sensing device from being easily damaged.

[0022] The top of the fixing bracket is also provided with a positioning groove for assembly, which is used in conjunction with the protrusion inside the toilet seat during assembly to improve the accuracy of the installation position. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0024] in:

[0025] Figure 1 This is an exploded view of a gravity-type seating sensing device;

[0026] Figure 2 A toilet seat in an axial view Figure 1 ;

[0027] Figure 3 A toilet seat in an axial view Figure 2 ;

[0028] Figure 4 It’s an exploded view of a toilet seat;

[0029] Figure 5 A partial cross-section of a toilet seat Figure 1 ; (Contact status of metal contacts and metal contact pieces)

[0030] Figure 6 A partial cross-section of a toilet seat Figure 2 ; (Contact status of metal contacts and metal contact pieces)

[0031] Figure 7 A partial cross-section of a toilet seat Figure 3 ; (Metal contact and metal contact piece are separated)

[0032] Figure 8 A partial cross-section of a toilet seat Figure 4 ; (Metal contact and metal contact piece are separated)

[0033] Figures 1 to 8 The symbols are: gravity-type seat sensing device 1, fixed bracket 11, fixed installation structure 111, installation position 112, positioning groove 113, metal contact 12, force-bearing bracket 13, undercut 131, metal contact piece 14, return spring 15, rubber pad 16, toilet seat cushion 2. DETAILED DESCRIPTION

[0034] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clear and understandable, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0035] See also Figures 1 to 8 A gravity-type seating induction device 1 includes a fixing bracket 11, a metal contact 12, a force-bearing bracket 13, a metal contact piece 14 and a return spring 15, wherein:

[0036] The fixing bracket 11 is provided with a fixing mounting structure 111 and a mounting position 112. The fixing bracket 11 is mounted on the top of the interior space of the toilet seat 2 via the fixing mounting structure 111. Two metal contacts 12 are installed at intervals at the mounting positions 112 of the fixing bracket 11 and exposed relative to the bottom of the interior space of the toilet seat 2.

[0037] In one embodiment, the fixing structure 111 is a mounting hole, through which the fixing bracket 11 is fixedly installed by screws passing through the mounting hole. The mounting location 112 is a through-hole, into which the top end of the metal contact 12 is inserted and fixed. Furthermore, a fixed end with a larger diameter is provided on the outer periphery of the top end of the metal contact 12. The bottom end of the metal contact 12 is inserted through the top end of the fixing bracket 11. The fixing bracket 11 presses the fixed end of the metal contact 12 into the toilet seat 2 through the through-hole. This ensures that the metal contact 12 is securely installed and the installation process is simple and easy to operate.

[0038] In other embodiments, the top of the fixing bracket 11 is further provided with a positioning groove 113 for assembly, which is used in conjunction with the protrusion inside the toilet seat 2 during assembly to improve the accuracy of the installation position 112.

[0039] The force-bearing bracket 13 is installed at the bottom of the inner space of the toilet seat 2 and is installed opposite to the fixing bracket 11. The metal bracket is installed on the force-bearing bracket 13 and is opposite to the two metal contacts 12, so that it can contact the two metal contacts 12 at the same time when moving upward.

[0040] In order to enable the metal bracket to move up and down, the force-bearing bracket 13 is telescopically installed, and the bottom end is exposed from the bottom of the toilet seat 2. The return spring 15 is installed between the force-bearing bracket 13 and the fixed bracket 11 / toilet seat 2. When the bottom of the force-bearing bracket 13 is pressed, the metal bracket overcomes the elastic force of the return spring 15 and contacts the two metal contacts 12 at the same time.

[0041] In one embodiment, the circumference of the force-bearing bracket 13 is provided with an undercut 131, and the force-bearing bracket 13 is floatingly mounted on the mounting opening at the bottom of the internal space of the toilet seat 2 through the undercut 131. The structure is simple and easy to install. Preferably, in order to increase the up and down floating range of the force-bearing bracket 13, the force-bearing bracket 13 is provided with an upwardly extending guide column around it, and the undercut 131 is arranged on the outside of the top end of the guide column. The reset spring 15 is compressed and installed between the fixed bracket 11 and the force-bearing bracket 13. Preferably, the opposite side of the fixed bracket 11 and the force-bearing bracket 13 is provided with a boss or a limit groove for limiting the end of the reset spring 15, which can prevent the reset spring 15 from falling off and causing the sensing device to fail.

[0042] Based on the above embodiment, to prevent hard impact, a rubber pad 16 is further provided at the bottom of the force-bearing bracket 13. This allows the sensing device to serve as a soft cushion at the bottom of the toilet seat 2, reducing the hard impact and noise caused by lowering the toilet seat 2. Furthermore, it prevents damage to the sensing device. The rubber pad 16 is attached to the bottom of the force-bearing bracket 13 via a snap or adhesive fastener, making installation easy.

[0043] Alternatively, in another embodiment, the metal contact 14 is telescopically installed, and the bottom end is exposed from the bottom of the toilet seat 2, and the return spring 15 is installed between the metal contact 14 and the fixed bracket 11 / force-bearing bracket 13. When the bottom of the metal bracket is pressed, it overcomes the elastic force of the return spring 15 and contacts the two metal contacts 12 at the same time.

[0044] In another embodiment, a toilet seat 2 is provided, which adopts the gravity-type seat sensing device 1 described in the first aspect. The two metal contacts 12 of the gravity-type seat sensing device 1 are respectively connected to the two disconnection points of the same circuit, and combined with the metal contact 14, constitute an inductive switch of the disconnection circuit. When the user sits down, the metal contact 12 and the metal contact 14, and the disconnection circuit are connected, thereby supplying power to other functional modules or sending a start signal. When the user leaves the toilet seat 2, under the action of the reset spring 15, the metal contact 12 and the metal contact 14 are separated again, disconnecting the power supply of other functional modules, or sending a signal for starting other functional modules, such as flushing.

[0045] The gravity-type seat sensing device 1 provided by the present invention is provided with a separate metal contact 12 and a metal contact piece 14. After the user falls on the toilet, the metal contact piece 14 further presses the toilet through the toilet seat 2, and has the action of moving toward the metal contact 12 and making contact. It is not only small in size and low in cost, but also has the advantage of expanding the sensing area to the entire toilet seat 2, and has high sensitivity.

[0046] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0047] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0048] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0049] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0050] In the present invention, the terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" mean that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0051] Although the above embodiments have been shown and described, it is understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Changes, modifications, substitutions and variations of the above embodiments made by ordinary technicians in this field are all within the scope of protection of the present invention.

Claims

1. A gravity-type seating sensing device, characterized in that: It includes a fixing bracket, a metal contact, a force-bearing bracket, a metal contact piece and a return spring; The fixing bracket is provided with a fixing mounting structure and a mounting position; the fixing bracket is mounted on the top of the interior space of the toilet seat through the fixing mounting structure; the metal contacts are two and are installed at intervals at the mounting position of the fixing bracket and are exposed relative to the bottom of the interior space of the toilet seat; The force-bearing bracket is installed at the bottom of the inner space of the toilet seat and is installed opposite to the fixed bracket; the metal bracket is installed on the force-bearing bracket and is opposite to the two metal contacts; The force-bearing bracket is installed telescopically, and the bottom end is exposed from the bottom of the toilet seat. The return spring is installed between the force-bearing bracket and the fixed bracket / toilet seat. When the bottom of the force-bearing bracket is pressed, the metal bracket overcomes the elastic force of the return spring and contacts the two metal contacts at the same time; or, the metal contact piece is installed telescopically, and the bottom end is exposed from the bottom of the toilet seat. The return spring is installed between the metal contact piece and the fixed bracket / force-bearing bracket. When the bottom of the metal bracket is pressed, it overcomes the elastic force of the return spring and contacts the two metal contacts at the same time.

2. A gravity-type seating sensing device according to claim 1, characterized in that: The periphery of the force-bearing bracket is provided with an undercut, and the force-bearing bracket is floatingly mounted on the mounting opening at the bottom of the inner space of the toilet seat through the undercut, and the return spring is compressed and mounted between the fixed bracket and the force-bearing bracket.

3. A gravity-type seating sensing device according to claim 2, characterized in that: The four sides of the force-bearing bracket are provided with guide columns extending upward, and the undercuts are arranged on the outer sides of the top ends of the guide columns.

4. A gravity-type seating sensing device according to claim 2, characterized in that: A boss or a limiting groove for limiting the end of the return spring is provided on the side opposite to the fixed bracket and the force-bearing bracket.

5. The gravity-type seating sensing device according to claim 2, characterized in that: A rubber pad is also provided at the bottom of the force-bearing bracket.

6. The gravity-type seating sensing device according to claim 5, characterized in that: The rubber pad is mounted on the bottom of the stress-bearing bracket by means of a buckle, or the rubber pad is fixed on the bottom of the stress-bearing bracket by means of a glue.

7. The gravity-type seating sensing device according to claim 1, characterized in that: The fixed installation structure is a mounting hole, the fixing bracket is fixedly installed by screws passing through the mounting hole, the installation position is a through hole, and the top end of the metal contact is inserted into the through hole and fixedly installed.

8. The gravity-type seating sensing device according to claim 7, characterized in that: The outer periphery of the top end of the metal contact is provided with a fixed end with a larger diameter, and the bottom end of the metal contact is inserted from the top end of the fixing bracket, and the fixing bracket presses the fixed end of the metal contact into the toilet seat through the through hole.

9. The gravity-type seating sensing device according to claim 1, characterized in that: The top end of the fixing bracket is also provided with a positioning groove for assembly.

10. A toilet seat cushion, characterized in that: A gravity-type seating sensing device according to any one of claims 1 to 9 is used.