CN111941469A - Razor head and electric razor - Google Patents

Abstract

The application relates to beauty appliance technical field, especially relates to a razor tool bit and electric razor, and the razor tool bit includes: the cutter mesh component is detachably arranged on the cutter head body; the knife net subassembly includes: an inductive component and a first electrically conductive member; the circuit board, the conducting assembly and the signal receiving device are further included, and the signal receiving device is connected with the circuit board; when the knife net component is installed on the knife head body, the first conductive piece and the induction component are respectively conducted with the circuit board through the conduction component; when the skin approaches or contacts the sensing part, the sensing part can recognize the signal and transmit the recognized signal to the signal receiving device. The application provides a razor tool bit has replaced traditional inductive switch or mechanical switch through the mode of induction type circular telegram, stops through opening of perception user state control electric shaver, does not need user manual control switch, has improved electric shaver's use convenience and user and has used experience to can avoid the unexpected risks such as being injured of user.

Description

Razor head and electric razor

Technical Field

The application relates to the technical field of beauty appliances, in particular to a shaver head and an electric shaver.

Background

At present, the existing electric razors such as electric shavers and hair clippers often adopt switches in the forms of touch switches or mechanical switches to control the on-off of a circuit so as to control the starting and stopping of a motor, but all the switches need to be manually controlled, and when a knife net is not installed, misoperation is easy to occur, so that a user is injured due to the fact that a knife head is started.

Disclosure of Invention

The present application provides a razor head and an electric razor, so as to solve the technical problems existing in the prior art that a switch needs to be manually operated to perform shaving work, and a user is easily injured accidentally.

The present application provides a razor cartridge comprising:

the cutter mesh component is detachably arranged on the cutter head body; the knife net assembly comprises an induction component and a first conductive piece;

the circuit board and a signal receiving device connected with the circuit board;

the conducting assembly is 3-5cm in length;

when the knife net component is installed on the tool bit body, the first conductive piece is connected with one end of the conducting component, and the circuit board is connected with the other end of the conducting component;

when the skin is close to or contacts the sensing part, the sensing part identifies a sensing signal and transmits the identified sensing signal to the signal receiving device, so that the signal receiving device triggers the razor head to start operation after receiving the sensing signal.

In the above technical solution, further, the first conductive member, the conduction assembly, and the circuit board form a first path; the sensing component and the signal receiving device form a second path; the first passage is a pilot passage of the second passage.

In the above technical solution, further, the razor head further includes a connecting bracket, the first conductive member and the sensing member are disposed on the connecting bracket, and the connecting bracket is adapted to the head body.

In any one of the above technical solutions, further, the sensing component is formed with a hollow portion and a gap portion, the hollow portion is provided with a knife net, the first conductive piece is disposed in the gap portion, and the first conductive piece is insulated from the sensing component and the knife net.

In any of the above technical solutions, further, the blade network assembly further includes a second conductive member, and the sensing component is disposed on the second conductive member.

In any of the above technical solutions, further, the induction component is an induction coil.

In any one of the above technical solutions, further, the conducting assembly includes: the conductive column and the conductive sheet are connected with the circuit board; one end of the conductive column is connected with the conductive sheet, and the other end of the conductive column can be connected with the induction component or the second conductive piece.

In any of the above technical solutions, further, the conductive sheet includes a protrusion in a folded angle shape, and a first sheet portion and a second sheet portion respectively connected to two side edges of the protrusion, the conductive column is connected to the first sheet portion, and the second sheet portion is connected to the circuit board.

In any one of the above technical solutions, further, the circuit board is formed with a through groove, and the through groove is disposed facing the first sheet-like portion;

the circuit board is provided with a connecting part, one end, far away from the protruding part, of the second sheet-shaped part is connected with a third sheet-shaped part, and the third sheet-shaped part is connected with the connecting part.

In any one of the above technical solutions, further, the tool bit body includes an inner tool bit and a driving device, the signal receiving device is a controller, the controller is electrically connected to the circuit board, and the driving device is respectively connected to the inner tool bit and the controller.

The present application further provides an electric shaver comprising a shaver head according to any of the above-mentioned aspects, thereby having all the advantageous technical effects of the shaver head, and the details are not repeated herein.

Compared with the prior art, the beneficial effect of this application is:

the razor cartridge provided by the present application is particularly, but not exclusively, suitable for use in an electric shaver, and will be described in detail below with reference to the use of the razor cartridge in an electric shaver as an example. The razor head comprises a razor net component and a razor head body which are detachably connected with each other, wherein the razor net component comprises a sensing part and a first conductive part, the razor head further comprises a circuit board, a conduction component and a signal receiving device, wherein the circuit board and the signal receiving device can be assembled on the razor head body, when the razor net component is installed on the razor head body, the first conductive part is connected with one end of the conduction component, particularly but not limited to abutting, the circuit board is connected with the other end of the conduction component, particularly but not limited to abutting, so that the first conductive part is conducted with the circuit board, the length (or height) of the conduction component is 3-5cm, the razor head body and the razor net component can be adapted to various types of razor heads and types, the first conductive part is conducted with the circuit board through the conduction component, so that the whole circuit of the electric razor is conducted, but the electric razor does not start, when the first conductive piece is conducted with the circuit board, a user uses the electric shaver, skin gradually approaches or directly contacts the sensing component, the sensing component can recognize a sensing signal that the skin of the user approaches or contacts, the sensing component can transmit the recognized sensing signal to the signal receiving device through the conducting component, and also transmits the sensing signal to the signal receiving device in a wireless transmission mode, the signal receiving device is electrically connected with the circuit board or the signal receiving device is arranged on the circuit board, and the signal receiving device triggers a shaver head of the electric shaver to start operation to perform shaving action after receiving the corresponding sensing signal; when the electric shaver is used, the skin of a user is far away from or separated from the sensing part, the signal receiving device cannot receive a sensing signal to trigger the shaver head to stop running, and the electric shaver stops working; when the electric shaver is not in a use state any more, the shaver net component is taken down to be cleaned as required, the shaver net component is separated from the shaver head body, the first conductive piece is disconnected with the circuit board at the moment, the whole circuit of the electric shaver is broken, the shaver head is prevented from being accidentally started when the shaver head is exposed without the shaver net component, and the user is accidentally injured or other safety accidents are caused.

It is thus clear that the razor tool bit that this application provided has replaced traditional inductive switch or mechanical switch through the mode of induction type circular telegram, stops through opening of perception user state control electric shaver, does not need user manual control switch, has improved electric shaver's use convenience and user and has used experience to can avoid the unexpected risks such as being injured of user.

The application provides an electric razor, including the aforesaid razor tool bit, therefore, can improve electric razor's convenience, security and user experience through this razor tool bit, when not using for a long time, with the separation of blade net subassembly and tool bit body, perhaps make first electrically conductive piece and switch on the subassembly off at least, can cut off electric razor's whole circuit if change the installation angle of blade net subassembly and tool bit body, avoid unexpected circumstances such as electric razor starts.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of a razor cartridge provided in an embodiment of the present application;

fig. 2 is a schematic, broken-away view of a razor cartridge according to an embodiment of the present application.

Reference numerals:

1-an inductive component, 101-a hollowed-out portion, 102-a notched portion, 2-a first conductive member, 3-a grid, 4-a circuit board, 5-a first conductive post, 6-a second conductive post, 7-a third conductive post, 8-a fourth conductive post, 9-a first conductive sheet, 901-a first sheet, 902-a second sheet, 903-a third sheet, 904-a bump, 10-a second conductive sheet, 11-a third conductive sheet, 12-a fourth conductive sheet.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.

The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Razor heads and electric razors according to some embodiments of the present application are described below with reference to fig. 1 and 2.

Example one

Referring to fig. 1 and 2, embodiments of the present application provide a razor cartridge comprising:

the cutter mesh component is detachably arranged on the cutter head body;

the knife net subassembly includes: an inductive component 1 and a first conductive member 2;

a circuit board 4, and a signal receiving device connected to the circuit board 4;

the conducting assembly is 3-5cm in length or height;

when the knife net component is installed on the tool bit body, the first conductive piece 2 is connected with one end of the conducting component, and the circuit board 4 is connected with the other end of the conducting component; when the skin approaches or contacts the sensing part 1, the sensing part 1 can recognize the signal and transmit the recognized signal to the signal receiving device.

The razor cartridge provided by the present application is particularly, but not exclusively, suitable for use in an electric shaver, and will be described in detail below with reference to the use of the razor cartridge in an electric shaver as an example. The razor head comprises a blade mesh component and a head body which are detachably connected with each other, wherein the blade mesh component comprises a sensing part 1 and a first conductive part 2, the razor head further comprises a circuit board, a conduction component and a signal receiving device, wherein the circuit board and the signal receiving device can be assembled on the head body, when the blade mesh component is installed on the head body, the first conductive part 2 is connected with one end of the conduction component, particularly but not limited to abutting, the circuit board 4 is connected with the other end of the conduction component, particularly but not limited to abutting, so that the first conductive part 2 is conducted with the circuit board 4, the length or height of the conduction component is 3-5cm, the razor head body and the blade mesh component can be adapted to various types of types, the first conductive part 2 is conducted with the circuit board 4 through the conduction component, and the whole circuit of the electric razor is conducted, however, at this time, the electric shaver does not start to work, when the user uses the electric shaver and skin gradually approaches or directly contacts the sensing component 1 in a state that the first conductive component 2 is conducted with the circuit board 4, the sensing component 1 can recognize a signal that the skin of the user approaches or contacts, namely a sensing signal, the sensing component can transmit the recognized sensing signal to the signal receiving device through the conducting component and also transmit the sensing signal to the signal receiving device in a wireless transmission manner, the signal receiving device is electrically connected with the circuit board 4 or the signal receiving device is arranged on the circuit board 4, and the signal receiving device triggers a cutter head of the electric shaver to start operation to perform shaving action after receiving the corresponding sensing signal; when the use is finished, the skin of a user is far away from or is separated from the sensing part 1, the signal receiving device cannot receive a sensing signal to trigger the cutter head to stop running, and the electric shaver stops working; when the electric shaver is not in a use state any more, the cutter mesh component is taken down to be cleaned as required, the cutter mesh component is separated from the cutter head body, the first conductive piece 2 is electrically disconnected from the circuit board 4 at the moment, the whole circuit of the electric shaver is broken, the cutter mesh component is prevented from being installed, and when the cutter head is exposed, the cutter head is started accidentally, so that the user is injured accidentally or other safety accidents are caused.

It is thus clear that the razor tool bit that this application provided has replaced traditional inductive switch or mechanical switch through the mode of induction type circular telegram, stops through opening of perception user state control electric shaver, does not need user manual control switch, has improved electric shaver's use convenience and user and has used experience to can avoid the unexpected risks such as being injured of user.

In an embodiment of the present application, preferably, the razor head further includes a connecting bracket, the first conductive member 2 and the sensing component 1 are disposed on the connecting bracket, and the connecting bracket can be adapted to be fastened to the head body.

In this embodiment, the connecting bracket has an annular structure with an inner diameter approximately equal to the diameter of the bit body, and preferably, the connecting bracket is snap-fitted or threaded with the bit body; first electrically conductive piece 2 and response part 1 all set up in linking bridge, and be formed with the clearance between first electrically conductive piece 2 and the response part 1, and both do not contact each other and do not have the relation of connection, can make first electrically conductive piece 2, response part 1 and switch on the subassembly contact through being connected linking bridge and tool bit body, and then make first electrically conductive piece 2, response part 1 can switch on with circuit board 4 respectively.

Preferably, the sensing component 1 is formed with a hollow-out portion 101 and a gap portion 102, the hollow-out portion 101 is provided with a blade mesh 3, the first conductive member 2 is provided at the gap portion 102, and the first conductive member 2 is insulated from the sensing component 1 and the blade mesh 3.

Preferably, the inductive component 1 is an induction coil.

Further, the first conductive member 2 forms a first path with the conducting component and the circuit board 4; the sensing component and the signal receiving device form a second passage; the first passage is a pilot passage of the second passage. Specifically, the first path is first conducted, and as a basis that the second path is conducted, in a state where the first path is not conducted, the second path is not conducted even if the skin of the user contacts the sensing member, and thus the head-up operation cannot be started.

In this embodiment, the knife net 3 is a metal net, and is disposed in the hollow portion 101 of the sensing component 1, and the knife net 3 contacts with the hollow portion 101 of the sensing component 1, that is, there is a connection relation (butt) between the knife net 3 and the sensing component 1, and meanwhile, because the knife net 3 is just accommodated in the hollow portion, the sensing component 1 not only plays a role in conducting a circuit and transmitting a signal, but also can support the knife net 3, and the knife net 3 is prevented from being scraped and colliding with the inside head to influence the use. In the application, the induction component 1 is an induction coil, preferably an antenna induction coil, the same principle as that of an antenna is adopted, when the first conductive piece 2 is conducted with the circuit board 4, so that the whole circuit is conducted, the circuit of the induction component 1 and the circuit board 4 is also conducted and electrified (wherein the electrified voltage of the induction component is not higher than the safe voltage), an electromagnetic field can be generated near the induction coil according to the electromagnetic principle, when the facial skin of a user is close to or contacts with the induction component 1, the person is used as a conductor to influence the change of the electromagnetic field and further generate an electric signal, the electric signal is transmitted back to a signal receiving device through the conduction component, as the first conductive piece 2 is not contacted with the induction component 1, namely the two are in an insulation state, only after the circuit of the first conductive piece 2 and the circuit board 4 is conducted as a priority circuit, the circuit of the circuit board and the induction component 1, the purpose that sets up like this is when cutter mesh subassembly and tool bit body do not assemble, because first electrically conductive 2 does not switch on with circuit board 4, even user's skin contact response part, response part can not produce any sensing signal yet, and then avoids the unexpected start-up of tool bit.

Preferably, the conducting assembly comprises: the conductive posts include a first conductive post 5, a second conductive post 6, a third conductive post 7 and a fourth conductive post 8;

the conductive sheets comprise a first conductive sheet 9, a second conductive sheet 10, a third conductive sheet 11 and a fourth conductive sheet 12;

one end of the first conductive column 5 is connected with the first conductive sheet 9, and the other end of the first conductive column 5 can be connected with the sensing component 1 or the second conductive member; one end of the second conductive pillar 6 is connected to the second conductive sheet 10, and the other end of the second conductive pillar 6 can be connected to the sensing component 1 or the second conductive member; one end of the third conductive column 7 is connected with the third conductive sheet 11, and the other end of the third conductive column 7 can be connected with the first conductive sheet 9; one end of the fourth conductive post 8 is connected to the fourth conductive plate 12, and the other end of the fourth conductive post 8 can be connected to the first conductive plate 9.

In this embodiment, the first conductive pillars 5, the second conductive pillars 6, the third conductive pillars 7, and the fourth conductive pillars 8 are only described for completeness of the description, but do not represent that the number of the conductive pillars is only four, and likewise, the number of the conductive pillars is also not only four. And the conducting strips (the first conducting strip 9, the second conducting strip 10, the third conducting strip 11, the fourth conducting strip 12) are elastic metal strips, taking the first conducting strip 5 and the second conducting strip 10 as an example, one end of the first conducting strip 5 abuts against the first conducting strip 9, after the knife grid assembly is installed to the tool bit body, the first conducting strip 5 slightly extrudes the first conducting strip 9, the first conducting strip 9 is appropriately deformed, the tightness degree of abutting the first conducting strip 5 and the first conducting strip 9 is ensured, the conducting strip setting modes corresponding to other conducting strips are the same as above, and the description is omitted.

The first conductive pillar 5, the second conductive pillar 6, the third conductive pillar 7, and the fourth conductive pillar 8 may be screws, that is, include a screw portion and a nut portion, but are not limited thereto, and on one hand, the related structure for fixing the tool bit body can be achieved, and on the other hand, the conductive function can be achieved, and preferably, the nut portion of the screw can be in contact with the first conductive component 2 and the sensing component 1.

In one embodiment of the present application, preferably, the conductive sheet includes a protrusion 904 in a folded angle shape, and a first sheet 901 and a second sheet 902 connected to two side edges of the protrusion 904, respectively, the conductive column is connected to the first sheet 901, and the second sheet 902 is connected to the circuit board.

Preferably, the circuit board 4 is formed with a through groove, which is disposed facing the first sheet 901;

the circuit board 4 is provided with a connecting portion, and a third sheet portion 903 is connected to an end of the second sheet portion 902 away from the protruding portion 904, and the third sheet portion 903 is connected to the connecting portion.

In this embodiment, the first conductive sheet 9 is a metal sheet, and includes a raised portion 904 in a folded angle shape and sheet portions connected to two side edges of the raised portion 904, which are a first sheet portion 901 and a second sheet portion 902 respectively, and the first sheet portion 901 and the second sheet portion 902 both extend in a horizontal direction, the second sheet portion 902 is further vertically connected with a third sheet portion 903, the second sheet portion 902 is connected with the circuit board 4 through the third sheet portion 903, and the third sheet portion 903 supports the entire first conductive sheet 9, and under the structural action of the raised portion 904, the first conductive sheet 9 has elasticity as a whole, the end of the first conductive column 5 can abut against the first sheet portion 901, and under the elastic action of the first conductive sheet 9, the first conductive sheet 9 can apply a reverse acting force to the first conductive column 5, so as to ensure the tightness degree of abutment of the first conductive sheet 9 (specifically, the first sheet portion 901) against the first conductive column 5, the poor contact between the two is avoided, and the structures of other conducting strips and the action mode of the corresponding conducting posts are the same as those described above. In addition, since the first conductive sheet 9 has elasticity, when the first conductive pillar 5 abuts against the first conductive sheet 9 (the first sheet 901), the whole of the first conductive sheet 9 and the first sheet 901 are deformed to some extent, and the through groove of the circuit board 4 provides a deformation space for the first sheet 901.

Preferably, the signal receiving device is a controller, and the controller is electrically connected with the circuit board 4.

Preferably, the tool bit body further comprises an inner tool bit and a driving device, and the driving device is respectively connected with the inner tool bit and the controller.

Preferably, the razor head further comprises a switch electrically connected to the controller and the drive device, respectively.

In this embodiment, the controller is electrically connected to the circuit board 4, certainly, the controller may also be integrated in the circuit board 4, certainly, a control circuit board with a control function may also be directly selected for use, and may play the same or similar role, a signal generated by the sensing component 1 may be transmitted to the controller, the controller generates a control signal to trigger the switch to be in the closed position, the driving device is started to drive the inner cutter head to operate, when the user is far away from the sensing component 1, the sensing component 1 stops signal transmission, the controller receives a signal for cutting off the path, the control signal is generated to trigger the switch to be in the open position, the driving device stops operating, when the knife grid assembly is separated from the cutter head body, the entire circuit is in the open state, the sensing component 1 does not work, and the controller.

It should be noted that the driving device in this embodiment may be a motor, but is not limited thereto; the switch may be, but is not limited to: thyristors, transistors, field effect transistors, relays, and the like; the controller may be an MCU (micro controller Unit), and the specific model may be PL51T020, although not limited thereto.

Example two

Embodiment two of this application still provides another razor tool bit (not shown in the figure), includes the razor tool bit of above-mentioned embodiment one, therefore, has all beneficial technical effects of the razor tool bit of embodiment one, and same technical features and beneficial effects are no longer repeated, and the difference lies in:

preferably, the blade net assembly further comprises a second conductive member, and the sensing component is disposed on the second conductive member.

In this embodiment, the sensing component is disposed on the second conductive member, for example, the sensing component may be disposed on an inner surface or an intermediate layer of the second conductive member, so as to prevent the sensing component from being exposed, and protect the sensing component.

It should be noted that the second conductive member in the present embodiment and the first conductive member in the first embodiment are both metal members.

EXAMPLE III

A third embodiment of the present application further provides an electric razor (not shown in the drawings), which includes the razor head according to any of the above embodiments, thereby having all the advantageous technical effects of the razor head, and the details are not repeated herein. The electric shaver may particularly, but not exclusively, be an electric shaver, an electric hair clipper, but also other electric devices for removing hair.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. A razor cartridge, comprising:

the cutter mesh component is detachably arranged on the cutter head body; the knife net assembly comprises an induction component and a first conductive piece;

the circuit board and a signal receiving device connected with the circuit board;

the conducting assembly is 3-5cm in length;

when the knife net component is installed on the tool bit body, the first conductive piece is connected with one end of the conducting component, and the circuit board is connected with the other end of the conducting component;

when the skin is close to or contacts the sensing part, the sensing part identifies a sensing signal and transmits the identified sensing signal to the signal receiving device, so that the signal receiving device triggers the razor head to start operation after receiving the sensing signal.

2. The razor cartridge of claim 1, wherein said first electrically conductive member forms a first path with said conducting component and said circuit board; the sensing component and the signal receiving device form a second path; the first passage is a pilot passage of the second passage.

3. The razor cartridge of claim 1, further comprising a connecting bracket, wherein the first conductive member and the sensing member are disposed on the connecting bracket, and the connecting bracket is adapted to be engaged with the cartridge body.

4. The razor head according to claim 1, wherein the sensing member is formed with a hollowed-out portion provided with a blade mesh and a notched portion, the first conductive member is provided at the notched portion, and the first conductive member is provided insulated from the sensing member and the blade mesh.

5. The razor cartridge of any one of claims 1 to 4, wherein the blade assembly further comprises a second electrically conductive member, the sensing component being disposed on the second electrically conductive member.

6. A razor cartridge according to any one of claims 1 to 4, wherein the inductive component is an inductive coil.

7. The razor cartridge of claim 5, wherein the lead through assembly comprises:

the conductive column and the conductive sheet are connected with the circuit board; one end of the conductive column is connected with the conductive sheet, and the other end of the conductive column can be connected with the induction component or the second conductive piece.

8. The razor head according to claim 7, wherein the conductive sheet comprises a bent-angle-shaped protrusion and first and second tabs connected to both side edges of the protrusion, respectively, the conductive post being connected to the first tab, and the second tab being connected to the circuit board.

9. The razor cartridge of claim 8, wherein said circuit board is formed with a through slot disposed facing said first sheet;

the circuit board is provided with a connecting part, one end, far away from the protruding part, of the second sheet-shaped part is connected with a third sheet-shaped part, and the third sheet-shaped part is connected with the connecting part.

10. An electric shaver comprising a shaver head as claimed in any one of claims 1 to 9.

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