Eccentric key structure and intelligent cover plate

Abstract

The utility model discloses an eccentric key structure and an intelligent cover plate, the eccentric key structure comprises a shell, a key assembly, a circuit assembly and a driving pressing plate, and the key assembly comprises a key feeler lever whose operation position is exposed outside the shell; the circuit assembly is arranged in the inner cavity of the shell, the circuit assembly comprises a key board used for responding to the operation of the key feeler lever, and the key board and the key feeler lever are arranged in a staggered mode; a pressing plate is driven to establish a response relation between the key assembly and the key plate; the driving pressing plate is movably arranged in the inner cavity, the driving pressing plate is matched with the key feeler lever and the circuit board, the key feeler lever is pressed to drive the driving pressing plate to move towards the key plate, and the driving pressing plate is in linkage with the key plate to be connected and disconnected. The control relation between the staggered key feeler levers and the key board is established by arranging the driving pressing plate, the key feeler levers press the driving pressing plate, and the key board is linked through the driving pressing plate.

Description

Technical Field

[0001] The present application generally relates to the technical field of bathrooms, and in particular to an eccentric button structure and an intelligent cover plate using the eccentric button structure. Background Art

[0002] As people's living standards continue to improve, smart homes and smart bathrooms are also developing towards a more comfortable, smarter and more beautiful direction. Existing smart covers often have functions such as flushing, temperature control and heating, so in order to realize the operation of these functions, external buttons are often required.

[0003] The current conventional setting is to set the key on an electronic key that can be directly pressed on the internal circuit board, and the key is directly pressed on the electronic key for operation. However, when it comes to meeting different space settings or appearance requirements or other functional realizations, sometimes it is difficult for the key to directly correspond to the electronic key setting, so the conventional structure can no longer meet the needs. Utility Model Content

[0004] A main purpose of the present application is to provide an eccentric key structure and an intelligent cover plate, which connects the staggered key touch rod and key plate by driving the pressure plate, so that the key touch rod can be staggered relative to the key plate according to appearance requirements and space design requirements, thereby overcoming one or more problems caused by the limitations and defects of the relevant technology at least to a certain extent.

[0005] In order to achieve the above application purpose, this application adopts the following technical solutions:

[0006] According to one aspect of the present application, an eccentric key structure is provided, comprising: a shell having an inner cavity; a key assembly mounted on the shell, the key assembly comprising a key touch rod whose operating position is exposed outside the shell; a circuit assembly arranged in the inner cavity, the circuit assembly comprising a key plate for responding to the operation of the key touch rod, the key plate and the key touch rod being staggered; a driving pressure plate for establishing a response relationship between the key assembly and the key plate; the driving pressure plate is movably arranged in the inner cavity, the driving pressure plate cooperates with the key touch rod and the key plate respectively, and the pressing operation of the key touch rod drives the driving pressure plate to move toward the key plate, and the driving pressure plate links the key plate to be turned on and off.

[0007] According to one embodiment of the present application, a first pivoting portion is provided at one end of the driving pressure plate, and the driving pressure plate is pivotally connected to the housing via the first pivoting portion.

[0008] According to one embodiment of the present application, the shell includes a rear shell and a circuit board box arranged in the rear shell, the circuit board is arranged in the circuit board box, a second pivot part is provided on a side wall of the circuit board box, and the first pivot part is pivotally matched with the second pivot part.

[0009] According to one embodiment of the present application, a hook is further provided at the other end of the driving pressure plate, and the circuit board box is provided with a slot cooperating with the hook to limit the movement of the driving pressure plate in a direction away from the key panel; the circuit board box is also provided with limiting ribs located on both sides of the driving pressure plate to limit the left and right swing of the driving pressure plate.

[0010] According to one embodiment of the present application, the driving pressure plate includes a pressing end and a contact end, and the pressing end and the contact end are respectively arranged on two sides of the driving pressure plate and staggered with each other. The pressing end cooperates with the key touch rod, and the contact end cooperates with the key plate.

[0011] According to an embodiment of the present application, the pressing end and the contact end respectively protrude from the surface of the driving pressure plate.

[0012] According to one embodiment of the present application, the key assembly further includes a key body assembled on the shell, and the key touch rod and the key body are snap-connected, hinged, or slidably connected.

[0013] According to one embodiment of the present application, the key assembly further includes a sealing sheet and a sealing gasket, wherein the sealing gasket is arranged on the shell, the sealing gasket is arranged between the driving pressure plate and the key touch rod, the sealing sheet is pressed against the sealing gasket, and the driving pressure plate and the circuit assembly are arranged in a sealed space enclosed by the sealing gasket and the shell.

[0014] According to an embodiment of the present application, the sealing pad includes a deformable sealing bag that protrudes toward the key touch rod. When the key touch rod is pressed, the sealing bag is squeezed and drives the driving pressure plate to move.

[0015] According to one embodiment of the present application, a smart cover plate is provided with an eccentric key structure as described in any one of the above items, and a plurality of driving pressure plates are provided, and the plurality of driving pressure plates are respectively matched with a corresponding key plate.

[0016] In the present application, when the key touch rod and the key panel are staggered, a control relationship between the key touch rod and the key panel is established by setting a driving pressure plate. The key touch rod presses the driving pressure plate, and the key panel is linked by the driving pressure plate.

[0017] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and other features and advantages of the present application will become more apparent by describing in detail example embodiments thereof with reference to the attached drawings.

[0019] Figure 1 is a schematic structural diagram of a smart cover according to an exemplary embodiment;

[0020] Figure 2 is along Figure 1 A schematic structural diagram of an eccentric key structure shown in the cross section along the AA direction;

[0021] Figure 3 is an exploded schematic diagram showing an eccentric key structure according to an exemplary embodiment;

[0022] Figure 4 is a schematic structural diagram of a circuit board box and a driving pressure plate according to an exemplary embodiment;

[0023] Figure 5 is a schematic structural diagram of a driving platen according to an exemplary embodiment;

[0024] Figure 6 is a schematic structural diagram of a driving platen from another perspective according to an exemplary embodiment;

[0025] Figure 7 is a schematic structural diagram of another eccentric key structure according to an exemplary embodiment;

[0026] Figure 8 is an exploded schematic diagram showing another eccentric key structure according to an exemplary embodiment; Fig. 9 It is a schematic structural diagram of another circuit board box and a driving pressure plate according to an exemplary embodiment.

[0027] The reference numerals are described as follows:

[0028] 100, cover plate; 10, shell; 11, back shell; 12, circuit board box; 121, second pivot part; 122, slot; 123, limiting rib; 20, button assembly; 21, button contact rod; 22, button body; 221, button shaft; 23, sealing gasket; 231, sealing bag; 24, sealing pressing sheet; 31, button board; 32, circuit board; 40, driving pressing plate; 41, first pivot part; 42, pressing end; 43, contact end; 44, hook. DETAILED DESCRIPTION

[0029] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this application will be comprehensive and complete and fully convey the concepts of the example embodiments to those skilled in the art. The same reference numerals in the figures represent the same or similar structures, and thus their detailed description will be omitted.

[0030] In the related art, in order to meet the needs of appearance or convenient operation, the smart cover needs to set the external control buttons at a specific position of the back shell, such as at the side near the top of the back shell. Existing, the external buttons are directly pressed on the electronic buttons of the internal circuit board to realize the control of the electronic buttons. This structure requires sufficient space in the back shell, and the electronic buttons can be arranged according to the position of the external buttons, or the position of the external buttons needs to be sacrificed to coordinate with the electronic buttons. Therefore, the existing structure is sometimes difficult to meet the needs of arbitrary setting of external buttons. The present application is mainly aimed at the limited space in the back shell and the need to meet the arbitrary setting of external buttons, and provides a control relationship between the external buttons and the internal electronic buttons that are staggered across the space by driving the pressure plate. The eccentric button structure in the following embodiments can be used to be set on smart covers and ordinary covers.

[0031] See also Figure 1 , Figure 2 and Figure 6 The eccentric key structure includes a shell 10, a key assembly 20, a circuit assembly and a driving platen 40. The circuit assembly and the driving platen 40 are arranged in the shell 10, and the key assembly 20 is installed on the shell 10. Among them, the key assembly 20 includes a key touch rod 21 whose operating position is exposed outside the shell 10, and the circuit assembly includes a key plate 31 that can respond to the operation of the key touch rod 21. The key touch rod 21 and the key plate 31 are staggered in at least two dimensions in space. The driving platen 40 is allocated to cooperate with the key touch rod 21 and the key plate 31, and a response relationship between the key touch rod 21 and the key plate 31 can be established. The pressing operation of the key touch rod 21 drives the driving platen 40 to move toward the key plate 31, and the driving platen 40 links the key plate 31 to turn on and off.

[0032] See also Figure 1 and Figure 2 The key assembly 20 further includes a key body 22. A mounting hole is provided on the side wall of the housing 10, and the key body 22 is fixedly mounted in the mounting hole. The key contact rod 21 and the key body 22 can be snap-connected, hinged, or slidably connected.

[0033] See also Figure 3The circuit board box 12 is a box with one side open. The circuit assembly includes a circuit board 32. The circuit board 32 is arranged at the bottom of the circuit board box 12. The key board 31 is electrically connected to the circuit board 32. Fig. 9 , can include multiple driving pressure plates 40, the circuit board box 12 is provided with multiple second pivoting parts 121 in parallel, and multiple driving boards are assembled in parallel on the circuit board box 12. The circuit assembly is provided with multiple key plates 31 correspondingly, and the multiple driving pressure plates 40 are matched with a corresponding key plate 31 respectively.

[0034] See also Figure 1 , 2 , 4, 5, 9, the driving platen 40 is movably arranged in the housing 10, and specifically, the driving platen 40 can be hinged in the housing 10. When applied to the cover 100, the housing 10 includes a rear shell 11 and a circuit board box 12, the rear shell 11 is a structure fixed on the cover 100, the circuit board box 12 is arranged in the rear shell 11, and the circuit assembly is arranged in the circuit board box 12. In some embodiments, a first pivoting portion 41 is provided at one end of the driving platen 40, a second pivoting portion 121 is provided on a side wall of the circuit board box 12, and the first pivoting portion 41 is pivoted in the second pivoting portion 121. It can be understood that the second pivoting portion 121 can also be provided on other parts of the rear shell 11 for pivoting with the first pivoting portion 41. The driving platen 40 also includes a hook 44, and the hook 44 extends along the direction in which the driving platen 40 presses the key panel 31. The circuit board box 12 is provided with a slot 122 that cooperates with the hook 44 to limit the movement of the driving pressure plate 40 away from the key plate 31; the circuit board box 12 is also provided with limiting ribs 123 located on both sides of the driving pressure plate 40 to limit the left and right swing of the driving pressure plate 40.

[0035] See also Figures 1 to 3 In one embodiment, the key contact rod 21 is arranged on the side of the rear housing 11, the key body 22 is snap-connected with the side wall of the rear housing 11, a slide groove is provided in the middle of the key body 22, the key contact rod 21 is arranged in the slide groove, and the end of the key contact rod 21 is snap-connected with the key body 22 to prevent the key contact rod 21 from falling off from the key body 22. When the key contact rod 21 is pressed, the key contact rod 21 slides along the slide groove.

[0036] The circuit board box 12 is placed vertically, and the second pivoting portion 121 is located below the circuit board box 12. The driving platen 40 is placed vertically, and the circuit board box 12 and the key assembly 20 are respectively arranged on the left and right sides of the driving platen 40. The driving platen 40 includes a pressing end 42 and a contact end 43 that are staggered up and down, and the pressing end 42 and the contact end 43 are respectively arranged on the corresponding two side surfaces of the driving platen 40, and the pressing end 42 and the contact end 43 protrude from the surface of the driving platen 40 respectively. The pressing end 42 is located at the upper end, and the key contact rod 21 cooperates with the pressing end 42. The contact end 43 is located at the lower end, and the key board 31 cooperates with the contact end 43. When the user presses the key contact rod 21, the key contact rod 21 moves along the slide groove and pushes the pressing end 42 that contacts with it. Under the push of the key contact rod 21, the driving platen 40 rotates in the second pivoting portion 121 and approaches the key board 31, and as it continues to move, it presses the key board 31 and triggers the key board 31.

[0037] See also Figure 7 and Figure 8 In another embodiment, the key contact rod 21 is arranged on the side of the rear shell 11, the key body 22 is arranged near the top wall of the rear shell 11, the key body 22 is provided with a key shaft 221, and one end of the key contact rod 21 is sleeved on the key shaft 221. When the key contact rod 21 is pressed, the key contact rod 21 rotates around the key shaft 221 and presses down the driving pressure plate 40. The driving pressure plate 40 and the circuit board box 12 are arranged successively below the key contact rod 21, the driving pressure plate 40 is arranged horizontally, and the pivoting position of the driving pressure plate 40 and the circuit board box 12 is closer to the inner side. The driving pressure plate 40 includes a pressing end 42 and a contact end 43 which are staggered on the left and right sides, and the pressing end 42 and the contact end 43 are respectively arranged on the corresponding two side surfaces of the driving pressure plate 40, and the pressing end 42 and the contact end 43 protrude from the surface of the driving plate respectively. The pressing end 42 is located at the left end, and the key contact rod 21 cooperates with the pressing end 42. The contact end 43 is located at the right end, and the key plate 31 cooperates with the contact end 43. When the user presses the key contact rod 21, the key contact rod 21 rotates around the key rotation axis 221 and presses the pressing end 42 downward. The driving plate 40, driven by the key contact rod 21, rotates in the second pivot portion 121 and approaches the key plate 31, and as it continues to move downward, it presses the key plate 31 and triggers the key plate 31.

[0038] See also Figure 2 , 3, 7, 8, there are many circuit structures in the rear shell 11, so it is very important to form a seal between the circuit components and the outside world. The key assembly 20 also includes a sealing sheet 24 and a sealing gasket 23. The sealing gasket 23 is arranged on the housing 10. The sealing gasket 23 is arranged between the driving pressure plate 40 and the key contact rod 21. The sealing sheet is pressed against the sealing gasket 23. The driving pressure plate 40 and the circuit assembly are arranged in a sealed space surrounded by the sealing gasket 23 and the housing 10. In one embodiment, the sealing gasket 23 includes a deformable sealing bag 231 that protrudes toward the key contact rod 21. When the key contact rod 21 is pressed, the sealing bag 231 is squeezed and drives the driving pressure plate 40 to move.

[0039] In the application examples, the terms "matching", "connection" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the application examples can be understood according to specific circumstances.

[0040] In the description of this specification, the description of the terms "some embodiments", "specific embodiments", etc. means 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 application embodiment. In this specification, the schematic representation of the above terms does 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.

[0041] The above are only preferred embodiments of the application embodiments and are not intended to limit the application embodiments. For those skilled in the art, the application embodiments may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the application embodiments shall be included in the protection scope of the application embodiments.

Claims

1. An eccentric key structure, characterized in that: include: a housing having an inner cavity; A key assembly is mounted on the housing, the key assembly comprising a key contact rod whose operating position is exposed outside the housing; A circuit assembly is arranged in the inner cavity, the circuit assembly includes a key plate for responding to the operation of the key touch rod, and the key plate and the key touch rod are staggered; A driving pressure plate is provided to establish a response relationship between the key assembly and the key panel; the driving pressure plate is movably arranged in the inner cavity, and the driving pressure plate cooperates with the key touch rod and the key panel respectively, and the pressing operation of the key touch rod drives the driving pressure plate to move toward the key panel, and the driving pressure plate links the key panel to be turned on and off.

2. The eccentric key structure according to claim 1, characterized in that: A first pivoting portion is provided at one end of the driving pressure plate, and the driving pressure plate is pivotally connected to the housing through the first pivoting portion.

3. The eccentric key structure according to claim 2, characterized in that: The housing comprises a rear shell and a circuit board box arranged in the rear shell, the circuit board is arranged in the circuit board box, a second pivoting portion is arranged on a side wall of the circuit board box, and the first pivoting portion is pivotally matched with the second pivoting portion.

4. The eccentric key structure according to claim 3, characterized in that: A hook is also provided at the other end of the driving pressure plate, and the circuit board box is provided with a slot cooperating with the hook to limit the movement of the driving pressure plate in the direction away from the key board; the circuit board box is also provided with limiting ribs located on both sides of the driving pressure plate to limit the left and right swing of the driving pressure plate.

5. The eccentric key structure according to claim 1, characterized in that: The driving pressure plate includes a pressing end and a contact end, which are arranged on two sides of the driving pressure plate and staggered with each other. The pressing end cooperates with the key touch rod, and the contact end cooperates with the key plate.

6. The eccentric key structure according to claim 5, characterized in that: The pressing end and the contact end protrude from the surface of the driving pressing plate respectively.

7. The eccentric key structure according to claim 1, characterized in that: The key assembly also includes a key body assembled on the shell, and the key contact rod is snap-connected, hinged or slidably connected to the key body.

8. The eccentric key structure according to claim 5, characterized in that: The key assembly also includes a sealing plate and a sealing gasket, wherein the sealing gasket is arranged on the shell, the sealing gasket is arranged between the driving pressure plate and the key touch rod, the sealing plate is pressed against the sealing gasket, and the driving pressure plate and the circuit assembly are arranged in a sealed space surrounded by the sealing gasket and the shell.

9. The eccentric key structure according to claim 8, characterized in that: The sealing pad comprises a deformable sealing bag protruding toward the key contact rod. When the key contact rod is pressed, the sealing bag is squeezed and the driving pressing plate is driven to move.

10. A smart cover, characterized in that: The smart cover plate is provided with an eccentric key structure as described in any one of claims 1 to 9, and a plurality of driving pressure plates are provided, and the plurality of driving pressure plates are respectively matched with a corresponding key plate.

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