Handheld nursing appliance

Abstract

The utility model provides a handheld nursing appliance. The handheld nursing appliance comprises a shell, a pressing sensing assembly and a main circuit board. The shell is provided with an assembling opening and a pressing area spaced from the assembling opening, and a containing cavity extending between the assembling opening and the pressing area is formed in the shell; the main circuit board and the flexible circuit board are arranged in the accommodating cavity through the assembly opening; the pressing sensing assembly comprises a flexible circuit board and a pressure sensor; the flexible circuit board is in a flat strip shape, and a loading part and an electric connection part are formed at two ends of the flexible circuit board respectively. The loading part is fixedly connected with the inner wall face of the containing cavity, and the pressure sensor is fixedly arranged on the loading part, corresponds to the pressing area and abuts against the inner wall face of the containing cavity. The electric connection part is electrically connected with the main circuit board; after the main circuit board and the flexible circuit board are installed in the containing cavity through the assembling opening, the flexible circuit board is folded on one side of the main circuit board. The handheld nursing appliance is simple in structure and easy to assemble, and has the advantages of being low in cost and high in reliability.

Description

Technical Field

[0001] The present application relates to the technical field of personal care devices, and in particular to a handheld care appliance. Background Art

[0002] Handheld care appliances such as shavers and electric toothbrushes are usually small in size to ensure portability; their working process is often accompanied by vibration, and it is often difficult to avoid immersion in liquids such as water. Therefore, such products have high requirements for the assembly of internal components.

[0003] In order to realize pressure sensing, common handheld nursing appliances usually open holes in the shell and then install independent buttons, but this technical solution has a complex structure and poor waterproof effect.

[0004] In order to improve the waterproof performance of the pressure sensing, an existing technology also proposes an integrated housing without a key hole, and then sandwiches a spacer such as silicone for conducting deformation between the inner wall of the housing and the pressure sensor on the main circuit board. However, this solution is difficult to assemble and is prone to false triggering in a vibrating environment.

[0005] Furthermore, in order to prevent false triggering, a Chinese utility model patent document entitled "An oral care device" with authorization announcement number CN219940856U proposes the following technical solution: an FPC board is sandwiched between the elastic member (elastic spacer) and the inner wall (housing), and the FPC board has a touch detection function, so that the main circuit board receives the touch signal and the press signal and compares it with the set threshold value, and sends the relevant designation to other components after determining that the behavior is valid. In order to improve the touch effect and ensure that the elastic member and the FPC board can be assembled to the specified position, the inner wall surface of the inner wall (housing) is provided with a groove for accommodating the elastic member. However, this technical solution has technical problems such as complex structure and difficult assembly. Utility Model Content

[0006] The main purpose of the present application is to propose a handheld nursing device, aiming to solve the technical problems of the existing handheld nursing devices with complex structures and great difficulty in assembly.

[0007] To achieve the above-mentioned purpose, the handheld nursing device proposed in the present application includes a housing, a pressure sensing component and a main circuit board; wherein,

[0008] The housing is provided with an assembly opening and a pressing area spaced apart from the assembly opening, and a cavity extending between the assembly opening and the pressing area is formed inside the housing; the assembly opening is used for the main circuit board and the flexible circuit board to be loaded into the cavity;

[0009] The pressure sensing component includes a flexible circuit board and a pressure sensor; and the flexible circuit board is in a flat strip shape, with a loading portion and an electrical connection portion formed at both ends respectively;

[0010] The loading part is fixedly connected to the inner wall surface of the cavity, the pressure sensor is fixedly arranged on the loading part, the pressure sensor is arranged corresponding to the pressing area and abuts against the inner wall surface of the cavity; the electrical connection part is electrically connected to the main circuit board;

[0011] After the main circuit board and the flexible circuit board are installed into the cavity through the assembly opening, the flexible circuit board is folded on one side of the main circuit board.

[0012] Preferably, when the flexible circuit board is in a naturally extended state, the electrical connection portion is located outside the assembly opening.

[0013] Preferably, the flexible circuit board includes a first stacking segment, a second stacking segment, and a first bending portion connecting the first stacking segment and the second stacking segment, wherein:

[0014] The extension directions of the first stack section and the second stack section are consistent with the direction in which the main circuit board is installed into the cavity, and the first stack section and the second stack section are arranged opposite to each other in the thickness direction of the main circuit board;

[0015] The first bending portion is located at a side of the flexible circuit board close to the assembly opening, the loading portion is connected to the first stacking section, and the electrical connection portion is connected to the second stacking section.

[0016] Preferably, the free end of the electrical connection portion protrudes from the long side of the second stacked section, and the free end of the electrical connection portion is detachably electrically connected to the main circuit board.

[0017] Preferably, the electrical connection portion includes a first horizontal connecting section, a first vertical connecting section and a second horizontal connecting section, wherein:

[0018] The first transverse connecting section is adjacent to the long side of the second stacking section and extends transversely relative to the second stacking section;

[0019] The first longitudinal connecting section extends in the same direction as the second stacking section and is connected to an end of the first transverse connecting section away from the second stacking section;

[0020] The second transverse connecting section extends in the same direction as the first transverse connecting section and is connected to an end of the first longitudinal connecting section away from the first transverse connecting section; the free end of the second transverse connecting section is detachably electrically connected to the main circuit board.

[0021] Preferably, the electrical connection portion also includes a second bending portion and a second longitudinal connecting section connected to the second bending portion, the second bending portion is connected to an end of the second stack segment away from the first bending portion, the extension direction of the second longitudinal connecting section is consistent with the extension direction of the second stack segment, and the second longitudinal connecting section is arranged opposite to the second stack segment in the thickness direction of the main circuit board, the second stack segment is located between the first stack segment and the second longitudinal connecting section, and the first transverse connecting section is extended from the long side of the second longitudinal connecting section.

[0022] Preferably, the second longitudinal connecting section is bonded and fixed to the main circuit board.

[0023] Preferably, the first stacked segment is bonded and fixed to the inner wall surface of the cavity.

[0024] Preferably, the loading portion includes a third transverse connecting section and a third longitudinal connecting section, wherein:

[0025] The third transverse connecting section is formed by extending laterally from the long side of the first stacking section; the extension direction of the third longitudinal connecting section is consistent with the extension direction of the first stacking section and is connected to the end of the third transverse connecting section away from the first stacking section; the pressure sensor is fixed on the third longitudinal connecting section.

[0026] Preferably, the loading portion is bonded and fixed to the inner wall surface of the cavity.

[0027] Preferably, after the main circuit board and the flexible circuit board are loaded into the cavity through the assembly opening, a gap is formed between the loading portion and the main circuit board.

[0028] Preferably, the shell is provided with a light-transmitting structure between the assembly port and the pressing area, and after the main circuit board and the flexible circuit board are installed into the cavity through the assembly port, the projection of the flexible circuit board on the shell is located outside the light-transmitting structure.

[0029] Preferably, the shell includes a gripping portion and a head, the gripping portion is in the shape of an elongated strip, the head is connected to one end of the gripping portion, the inner cavity of the head is communicated with the receiving cavity, and the head is bent relative to the gripping portion; the assembly port, the pressing area and the receiving cavity are all formed on the gripping portion, and the assembly port is located at one end of the gripping portion away from the head.

[0030] Preferably, the cross-sectional shape of the gripping portion is flat, and the thickness direction of the main circuit board is consistent with the width direction of the cross-sectional shape of the gripping portion.

[0031] Preferably, the handheld nursing appliance further comprises a bracket, the main circuit board is fixedly arranged on the bracket, and the main circuit board and the bracket are installed into the cavity through the assembly port.

[0032] Preferably, a slot is provided at one end of the bracket, and a fixing hole is provided at the other end; one end of the main circuit board is plugged into the slot, and the other end is provided with a via hole corresponding to the fixing hole.

[0033] In the handheld nursing device of the utility model, the pressure sensor is fixedly arranged at one end of the flexible circuit board, that is, on the loading part, rather than on the main circuit board, so that the loading part can be first fixed to the inner wall surface of the cavity of the shell and the pressure sensor can be arranged corresponding to the pressing area of ​​the shell, and then the electrical connection part is connected to the main circuit board, and finally the main circuit board is loaded into the cavity of the shell. In this process, since there is no main circuit board in the cavity of the shell when assembling the loading part, the cavity has a relatively large operating space, which is conducive to the installation and fixation of the loading part and the pressure sensor thereon; finally, in the process of pushing the main circuit board into the cavity, the redundant part of the flexible circuit board can be folded with the movement of the main circuit board, so as to be loaded into the cavity of the shell together. It can be seen that the handheld nursing device of the utility model has a simple structure and is easy to assemble, and has the beneficial effects of low cost and high reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0035] Figure 1 This is a partial structural diagram of the handheld care appliance of the utility model as a shaver;

[0036] Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure of the handheld nursing device from another angle;

[0037] Figure 3 for Figure 1 A schematic diagram of the partial structure of the handheld nursing appliance, wherein the shell is a partial structure;

[0038] Figure 4 for Figure 3 The main structural diagram of the middle structure;

[0039] Figure 5 for Figure 3 A schematic diagram of the three-dimensional structure of the middle structure from another angle;

[0040] Figure 6 for Figure 3 A schematic diagram of the side view of the middle structure;

[0041] Figure 7 for Figure 6 A schematic diagram of the local enlarged structure at point A in the middle;

[0042] Figure 8 for Figure 6 A schematic diagram of the local enlarged structure at B in the middle;

[0043] Fig. 9 for Figure 3 Schematic diagram of the explosion structure of the medium structure;

[0044] Fig.10 for Figure 3 Schematic diagram of the explosion structure from another angle of the middle structure;

[0045] Fig.11 for Figure 8 or Fig. 9 A schematic diagram of the enlarged structure of the middle pressure sensing component;

[0046] Fig.12 for Figure 8 or Fig. 9 A schematic diagram of the enlarged structure of the pressure sensing component from another angle.

[0047] Description of Figure Numbers:

[0048]

[0049] DETAILED DESCRIPTION

[0050] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0051] Reference Figures 1 to 4 , Figure 6 and Figure 7 In one embodiment, the handheld nursing device 100 proposed in the present application includes a pressure sensing system 200, and the pressure sensing system 200 includes a housing 10, a pressure sensing component 20 and a main circuit board 50; wherein,

[0052] The housing 10 is provided with an assembly opening 12 and a pressing area 13 spaced apart from the assembly opening 12. A cavity 14 extending between the assembly opening 12 and the pressing area 13 is formed inside the housing 10. The assembly opening 12 is used for the main circuit board 50 and the flexible circuit board 21 to be loaded into the cavity 14.

[0053] The pressure sensing assembly 20 includes a flexible circuit board 21 and a pressure sensor 34; and,

[0054] The flexible circuit board 21 is in the shape of a flat strip, with a loading portion 22 and an electrical connection portion 25 formed at both ends.

[0055] The loading portion 22 is fixedly connected to the inner wall surface of the cavity 14, the pressure sensor 34 is fixedly arranged on the loading portion 22, and the corresponding pressing area 13 abuts against the inner wall surface of the cavity 14; the electrical connection portion 25 is electrically connected to the main circuit board 50;

[0056] After the main circuit board 50 and the flexible circuit board 21 are installed into the cavity 14 through the assembly opening 12 , the flexible circuit board 21 is folded on one side of the main circuit board 50 .

[0057] In this embodiment, the shell 10 is used to provide support and protection, and the pressing area 13 can be set at a suitable position of the shell 10 as needed. The press sensing component 20 is electrically connected to the main circuit board 50 to detect the touch and press of the pressing area 13; the flexible circuit board is easy to bend and can realize the transmission of electrical signals. The electrical connection part 25 can be electrically connected to the main circuit board 50 by soldering or the like, or can be detachably electrically connected by a connector or the like. If further subdivided, the handheld nursing device 100 of the present application includes an electric load and a press sensing system 200, and the press sensing system 200 includes the shell 10, the press sensing component 20 and the main circuit board 50 as described above. The electric load is electrically connected to the main circuit board 50. The electric load generally includes a motor. In other embodiments, the electric load may also include a laser, an electric heating element, etc.

[0058] In the pressure sensing system 200 of the handheld nursing device of the present invention, the pressure sensor 34 is fixedly arranged at one end of the flexible circuit board 21, that is, on the loading part 22, rather than on the main circuit board 50, so that the loading part 22 can be first fixed to the inner wall surface of the cavity 14 of the shell 10 and the pressure sensor 34 can be arranged corresponding to the pressing area 13 of the shell 10, and then the electrical connection part 25 is connected to the main circuit board 50. In this process, since there is no main circuit board 50 in the cavity 14 of the shell 10 when assembling the loading part 22, the cavity 14 has a relatively large operating space, which is conducive to the installation and fixation of the loading part 22 and the pressure sensor 34 thereon; finally, in the process of pushing the main circuit board 50 into the cavity 14, the redundant part of the flexible circuit board 21 can be folded with the movement of the main circuit board 50, so as to be loaded into the cavity 14 of the shell 10 together. It can be seen that the handheld nursing device of the present invention has a simple structure and is easy to assemble, and has the beneficial effects of low cost and high reliability.

[0059] Furthermore, when the flexible circuit board 21 is in a naturally extended state, the electrical connection portion 25 is located outside the assembly opening 12 .

[0060] In this embodiment, before the main circuit board 50 and the flexible circuit board 21 are installed into the cavity 14 through the assembly opening 12, that is, when the electrical connection portion 25 is in a naturally extended state when the flexible circuit board 21 is in a naturally extended state, the electrical connection portion 25 extends out of the assembly opening 12 to be electrically connected to the main circuit board 50 outside the cavity 14, and after the main circuit board 50 and the flexible circuit board 21 are installed into the cavity 14 through the assembly opening 12, the flexible circuit board 21 is folded in the thickness direction of the main circuit board 50. Since the flexible circuit board 21 has a sufficient length in a naturally extended state, when the main circuit board 50 and the electrical connection portion 25 are connected, the electrical connection portion 25 can extend out of the cavity 14, so that the electrical connection portion 25 of the flexible circuit board 21 can be connected more conveniently.

[0061] Please also refer to Figures 8 to 12 In one embodiment, the flexible circuit board 21 includes a first stacking section 31, a second stacking section 32, and a first bending portion 33 connecting the first stacking section 31 and the second stacking section 32, wherein:

[0062] The extension direction of the first stack section 31 and the second stack section 32 are consistent with the direction in which the main circuit board 50 is inserted into the cavity 14. The first stack section 31 and the second stack section 32 are arranged opposite to each other in the thickness direction of the main circuit board 50.

[0063] The first bending portion 33 is located at a side of the flexible circuit board 21 close to the assembly opening 12 . The loading portion 22 is connected to the first stacking section 31 , and the electrical connection portion 25 is connected to the second stacking section 32 .

[0064] In this embodiment, the extension direction of the first stack section 31 and the second stack section 32 are consistent with the direction in which the main circuit board 50 is inserted into the cavity 14, so that the flexible circuit board 21 can be folded more smoothly with the movement of the main circuit board 50, and the folding resistance is relatively small.

[0065] Furthermore, the free end of the electrical connection portion 25 protrudes from the long side of the second stack section 32, and the free end of the electrical connection portion 25 is detachably electrically connected to the main circuit board 50. In this embodiment, the electrical connection portion 25 protrudes from the long side of the second stack section 32, so that when the main circuit board 50 and the flexible circuit board 21 are installed into the cavity 14 through the assembly opening 12, the electrical connection portion 25 of the main circuit board 50 and the flexible circuit board 21 is prevented from falling off, and it is not easy to be blocked before and after the electrical connection portion 25 is connected to the main circuit board 50, so it is convenient to check the connection quality; and the free end of the electrical connection portion 25 is detachably electrically connected to the main circuit board 50, which is conducive to improving assembly efficiency and facilitating possible maintenance in the future.

[0066] Furthermore, the electrical connection portion 25 includes a first transverse connecting section 26, a first longitudinal connecting section 27 and a second transverse connecting section 28, wherein:

[0067] The first transverse connecting section 26 is adjacent to the long side of the second stacking section 32 and extends transversely relative to the second stacking section 32;

[0068] The first longitudinal connecting section 27 extends in the same direction as the second stacking section 32 and is connected to an end of the first transverse connecting section 26 away from the second stacking section 32;

[0069] The second transverse connecting section 28 extends in the same direction as the first transverse connecting section 26 and is connected to an end of the first longitudinal connecting section 27 away from the first transverse connecting section 26 ; the free end of the second transverse connecting section 28 is detachably electrically connected to the main circuit board 50 .

[0070] In this embodiment, the first transverse connecting section 26, the first longitudinal connecting section 27 and the second transverse connecting section 28 can form multiple bends, so as to buffer the assembly impact force during the assembly process and reduce the assembly stress after the assembly is completed, so as to prevent the impact force and assembly stress from causing the connection between the electrical connection part 25 and the main circuit board 50 to loosen. In addition, the bending arrangement of the electrical connection part 25 can also form avoidance spaces on both sides of the longitudinal direction of the electrical connection part 25, so as to facilitate the stacking of chips, capacitors and other electronic components on the main circuit board 30.

[0071] Furthermore, the electrical connection portion 25 also includes a second bending portion 33 and a second longitudinal connecting section 30 connected to the second bending portion 33. The second bending portion 33 is connected to an end of the second stacking section 32 away from the first bending portion 33. The extension direction of the second longitudinal connecting section 30 is consistent with the extension direction of the second stacking section 32, and is arranged opposite to the second stacking section 32 in the thickness direction of the main circuit board 50. The second stacking section 32 is located between the first stacking section 31 and the second longitudinal connecting section 30, and the first transverse connecting section 26 is extended from the long side of the second longitudinal connecting section 30.

[0072] In this embodiment, the second longitudinal connecting section 30 and the first stacking section 31 and the second stacking section 32 can form a three-layer stacking structure, which can make assembly smoother and form better buffering, including buffering of vibration of the housing 10, so as to make the connection between the electrical connection part 25 and the main circuit board 50 more reliable. Preferably, the second bending portion 33 and the first bending portion 33 are staggered in the direction of the main circuit board 50 being loaded into the cavity 14, so as to achieve better buffering.

[0073] Furthermore, in order to prevent the electrical connection portion 25 from falling off and to fold the flexible circuit board 21 in a preset shape, the second longitudinal connecting section 30 is bonded and fixed to the main circuit board 50. This can increase the connection strength between the electrical connection portion 25 and the main circuit board 50. Preferably, the first stacking section 31 is also bonded and fixed to the inner wall surface of the cavity 14.

[0074] Furthermore, the loading portion 22 includes a third transverse connecting section 23 and a third longitudinal connecting section 24, wherein the third transverse connecting section 23 is formed by extending laterally from the long side of the first stacking section 31; the extension direction of the third longitudinal connecting section 24 is consistent with the extension direction of the first stacking section 31 and is connected to an end of the third transverse connecting section 23 away from the first stacking section 31; the pressure sensor 34 is fixed on the third longitudinal connecting section 24.

[0075] In this embodiment, the third transverse connecting section 23 and the third longitudinal connecting section 24 may form an "L"-shaped bend, so that in the process of pushing the main circuit board 50 into the cavity 14, the force acting on the loading portion 22 can be buffered, thereby reducing the risk of the loading portion 22 being separated from the inner wall surface of the housing 10. For the convenience of assembly, preferably, the third longitudinal connecting section 24 extends in a direction away from the electrical connecting portion 25, so that the loading portion 22 can obtain a larger assembly space, specifically, it is not easy to touch or interfere with other parts of the flexible circuit board 21 when the loading portion 22 is fixedly installed.

[0076] Furthermore, the third longitudinal connecting section 24 is connected to an end of the first stacking section 31 away from the first bending portion 33. In this way, a shorter electrical transmission path can be formed on the one hand, and the first stacking section 31 will not form a lateral shielding to the loading portion 22 on the other hand.

[0077] Furthermore, the pressure sensor 34 is centrally disposed on the third longitudinal connecting section 24. In this way, the loading portion 22 can more firmly and evenly keep the pressure sensor 34 in contact with the inner wall surface of the housing 10, thereby making the pressure sensing more reliable and accurate. Preferably, for easy assembly, the loading portion 22 is bonded and fixed to the inner wall surface of the cavity 14.

[0078] Furthermore, after the main circuit board 50 and the flexible circuit board 21 are loaded into the cavity 14 through the assembly port 12, a gap is formed between the loading portion 22 and the main circuit board 50. When the loading portion 22 approaches the main circuit board 50 due to the deformation of the pressing area 13 of the shell 10, it will not immediately touch the main circuit board 50, that is, the gap between the two forms an avoidance space, so that not only the pressing area 13 can be fully deformed, but also the pressure sensor 34 is not easily damaged due to impact during the falling process.

[0079] Further, refer to Figures 1 to 4 as well as Fig. 9In one embodiment, in order to realize visual interaction, such as displaying the working status and power level of the handheld nursing appliance 100, the housing 10 is provided with a light-transmitting structure 15 between the assembly port 12 and the pressing area 13. After the main circuit board 50 and the flexible circuit board 21 are loaded into the cavity 14 through the assembly port 12, the projection of the flexible circuit board 21 on the housing 10 is located outside the light-transmitting structure 15. The layout of the flexible circuit board 21 avoids the preset light transmission path of the light-transmitting structure 15, thereby ensuring that the light source in the housing 10 can be smoothly transmitted to the light-transmitting structure 15. The light-transmitting structure 15 can be a pure light-transmitting material, or a hole opened in a non-light-transmitting material, or a hole is opened in the housing 10 of non-light-transmitting material and filled with light-transmitting material.

[0080] Furthermore, the shell 10 includes a holding portion 11 and a head 16. The holding portion 11 is in the shape of an elongated strip. The head 16 is connected to one end of the holding portion 11. The inner cavity of the head 16 is connected to the cavity 14. The head 16 is bent relative to the holding portion 11. The assembly port 12, the pressing area 13 and the cavity 14 are all formed in the holding portion 11. The assembly port 12 is located at the end of the holding portion 11 away from the head 16.

[0081] In this embodiment, the gripping portion 11 is in the shape of an elongated strip, and the assembly opening 12, the pressing area 13 and the receiving cavity 14 are all formed in the gripping portion 11, so as to facilitate both operation and installation of components such as the main circuit board 50 and the battery.

[0082] Furthermore, the cross-sectional shape of the gripping portion 11 is flat, and the thickness direction of the main circuit board 50 is consistent with the width direction of the cross-sectional shape of the gripping portion 11 .

[0083] In this embodiment, the flat gripping portion 11 is easy to grasp, and the thickness direction of the main circuit board 50 is consistent with the width direction of the cross section of the gripping portion 11, so that the internal space of the gripping portion 11 can be fully utilized, making the structure more compact, so that the thickness of the gripping portion 11 can be made smaller. In addition, since the flexible circuit board 21 and the main circuit board 50 are installed successively, the handheld nursing device of the present application can better adapt to the flat cavity 14 adapted to the gripping portion 11.

[0084] Furthermore, the handheld nursing device 100 further includes a bracket 300 , and the main circuit board 50 is fixedly disposed on the bracket 300 . The main circuit board 50 and the bracket 300 are installed into the cavity 14 through the assembly opening 12 .

[0085] In this embodiment, the main circuit board 50 can be installed more stably by using the bracket 300, so that the relative position relationship between the main circuit board 50 and the housing 10 is more reliable.

[0086] Furthermore, a slot 61 is provided at one end of the bracket 300 , and a fixing hole 62 is provided at the other end; one end of the main circuit board 50 is plugged into the slot 61 , and a through hole 51 corresponding to the fixing hole 62 is provided at the other end.

[0087] In this embodiment, one end of the circuit board is plugged in, and the other end uses a fastener, such as a screw, which passes through the through hole 51 on the circuit board and then is threadedly connected with the fixing hole 62, so that a stable and fast installation can be achieved.

[0088] Furthermore, the bracket 300 is provided with a frame 63 and a partition 64 connected to the frame 63;

[0089] The partition plate 64 is opposite to the main circuit board 50 , and the frame 63 and the partition plate 64 are enclosed to form a first installation groove 65 and a second installation groove 67 which are separated from each other;

[0090] A clamping block 66 is disposed on the side wall of the first installation groove 65, and a slot 61 is formed between the clamping block 66 and the bottom wall of the first installation groove 65;

[0091] The main circuit board 50 is disposed in the first installation groove 65 , the inner surface of the main circuit board 50 is in contact with the bottom wall of the first installation groove 65 , and the side surface of the main circuit board 50 is limitedly matched with the side wall of the first installation groove 65 .

[0092] In this embodiment, the main circuit board 50 is installed in the first installation slot 65 on the bracket 300, so that all-round positioning can be achieved, further improving stability. A second installation slot 67 is provided on the other side of the bracket 300, which can be used to install other internal components, such as batteries, motors, etc.

[0093] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A handheld nursing device, characterized in that: It includes a housing, a pressure sensing component and a main circuit board; wherein, The housing is provided with an assembly opening and a pressing area spaced apart from the assembly opening, and a cavity extending between the assembly opening and the pressing area is formed inside the housing; the assembly opening is used for the main circuit board and the flexible circuit board to be loaded into the cavity; The pressure sensing component includes a flexible circuit board and a pressure sensor; and the flexible circuit board is in a flat strip shape, with a loading portion and an electrical connection portion formed at both ends respectively; The loading part is fixedly connected to the inner wall surface of the cavity, the pressure sensor is fixedly arranged on the loading part, the pressure sensor is arranged corresponding to the pressing area and abuts against the inner wall surface of the cavity; the electrical connection part is electrically connected to the main circuit board; After the main circuit board and the flexible circuit board are installed into the cavity through the assembly opening, the flexible circuit board is folded on one side of the main circuit board.

2. The handheld nursing device according to claim 1, characterized in that: When the flexible circuit board is in a naturally extended state, the electrical connection portion is located outside the assembly opening.

3. The handheld nursing device according to claim 1, characterized in that: The flexible circuit board includes a first stacking section, a second stacking section, and a first bending portion connecting the first stacking section and the second stacking section, wherein: The extension directions of the first stack section and the second stack section are consistent with the direction in which the main circuit board is installed into the cavity, and the first stack section and the second stack section are arranged opposite to each other in the thickness direction of the main circuit board; The first bending portion is located at a side of the flexible circuit board close to the assembly opening, the loading portion is connected to the first stacking section, and the electrical connection portion is connected to the second stacking section.

4. The handheld nursing device according to claim 3, characterized in that: The free end of the electrical connection portion protrudes from the long side of the second stacked section, and the free end of the electrical connection portion is detachably electrically connected to the main circuit board.

5. The handheld nursing device according to claim 4, characterized in that: The electrical connection portion includes a first horizontal connecting section, a first vertical connecting section and a second horizontal connecting section, wherein: The first transverse connecting section is adjacent to the long side of the second stacking section and extends transversely relative to the second stacking section; The first longitudinal connecting section extends in the same direction as the second stacking section and is connected to an end of the first transverse connecting section away from the second stacking section; The second transverse connecting section extends in the same direction as the first transverse connecting section and is connected to an end of the first longitudinal connecting section away from the first transverse connecting section; the free end of the second transverse connecting section is detachably electrically connected to the main circuit board.

6. The handheld nursing device according to claim 5, characterized in that: The electrical connection portion also includes a second bending portion and a second longitudinal connecting section connected to the second bending portion, the second bending portion is connected to an end of the second stacking section away from the first bending portion, the extension direction of the second longitudinal connecting section is consistent with the extension direction of the second stacking section, and the second longitudinal connecting section is arranged opposite to the second stacking section in the thickness direction of the main circuit board, the second stacking section is located between the first stacking section and the second longitudinal connecting section, and the first transverse connecting section is extended from the long side of the second longitudinal connecting section.

7. The handheld nursing device according to claim 6, characterized in that: The second longitudinal connecting section is bonded and fixed to the main circuit board.

8. The handheld nursing device according to any one of claims 3 to 7, characterized in that: The first stacked section is bonded and fixed to the inner wall surface of the cavity.

9. The handheld nursing device according to claim 3, characterized in that: The loading section includes a third transverse connecting section and a third longitudinal connecting section, wherein: The third transverse connecting section is formed by extending laterally from the long side of the first stacking section; The third longitudinal connecting section has an extending direction consistent with that of the first stacking section and is connected to an end of the third transverse connecting section away from the first stacking section; The pressure sensor is fixed on the third longitudinal connecting section.

10. The handheld nursing device according to any one of claims 1 to 7 and 9, characterized in that: The loading portion is bonded and fixed to the inner wall surface of the cavity.

11. The handheld nursing device according to any one of claims 1 to 7 and 9, characterized in that: After the main circuit board and the flexible circuit board are loaded into the cavity through the assembly opening, a gap is formed between the loading portion and the main circuit board.

12. The handheld nursing device according to any one of claims 1 to 7 and 9, characterized in that: The shell is provided with a light-transmitting structure between the assembly opening and the pressing area. After the main circuit board and the flexible circuit board are installed into the cavity through the assembly opening, the projection of the flexible circuit board on the shell is located outside the light-transmitting structure.

13. The handheld nursing device according to any one of claims 1 to 7 and 9, characterized in that: The shell includes a gripping portion and a head, the gripping portion is in the shape of an elongated strip, the head is connected to one end of the gripping portion, the inner cavity of the head is communicated with the receiving cavity, and the head is bent relative to the gripping portion; the assembly port, the pressing area and the receiving cavity are all formed on the gripping portion, and the assembly port is located at one end of the gripping portion away from the head.

14. The handheld nursing device according to claim 13, characterized in that: The cross-section of the gripping portion is flat, and the thickness direction of the main circuit board is consistent with the width direction of the cross-section of the gripping portion.

15. The handheld nursing device according to any one of claims 1 to 7 and 9, characterized in that: The handheld nursing appliance further comprises a bracket, the main circuit board is fixedly arranged on the bracket, and the main circuit board and the bracket are installed into the cavity through the assembly opening.

16. The handheld nursing device according to claim 15, characterized in that: One end of the bracket is provided with a slot, and the other end is provided with a fixing hole; one end of the main circuit board is plugged into the slot, and the other end is provided with a via hole corresponding to the fixing hole.

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