CN215318842U - Attachment mechanism and shaving apparatus - Google Patents
Attachment mechanism and shaving apparatus Download PDFInfo
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- CN215318842U CN215318842U CN202121852650.0U CN202121852650U CN215318842U CN 215318842 U CN215318842 U CN 215318842U CN 202121852650 U CN202121852650 U CN 202121852650U CN 215318842 U CN215318842 U CN 215318842U
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- curved surfaces
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- head
- connecting guide
- shaving
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Abstract
The utility model discloses a connecting mechanism and shaving equipment, and belongs to the technical field of personal care equipment. The connecting mechanism includes: the guide head, the driving shaft, the elastic piece and the cutter head are connected; one end of the connecting guide head is detachably connected with the cutter head, and the elastic piece is positioned between the connecting guide head and the cutter head; the other end of the connecting guide head is provided with an installation cavity, and the inner wall of the installation cavity is provided with a plurality of first curved surfaces; the driving shaft comprises a driving end, and the outer wall of the driving end is provided with a plurality of second curved surfaces; when the driving end is installed in the installation cavity, the first curved surfaces and the second curved surfaces extend in a direction parallel to the axial direction and are in one-to-one convex-concave fit. The connecting mechanism can reduce the vibration of the cutter head and improve the use comfort of a user.
Description
Technical Field
The utility model relates to the technical field of personal care equipment, in particular to a connecting mechanism and shaving equipment.
Background
With the ever-increasing standard of living, shaving devices have become indispensable as small personal care appliances that are commonly used in human life. The shaving head of the shaving apparatus is typically connected to the drive mechanism by a connecting mechanism. When the shaving equipment is in a use state, the driving mechanism drives the connecting mechanism to rotate, and the connecting mechanism drives the cutter head to rotate, so that the blades in the cutter head rotate to realize a cutting function.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides an attachment mechanism and a shaving apparatus, which is applied to a shaving apparatus, and which can reduce vibrations of a cutter head and improve the use comfort of a user.
Specifically, the method comprises the following technical scheme:
in one aspect, embodiments of the present invention provide an attachment mechanism for use in a shaving apparatus, the attachment mechanism comprising: the guide head, the driving shaft, the elastic piece and the cutter head are connected;
one end of the connecting guide head is detachably connected with the cutter head, and the elastic piece is positioned between the connecting guide head and the cutter head;
the other end of the connecting guide head is provided with an installation cavity, and the inner wall of the installation cavity is provided with a plurality of first curved surfaces;
the driving shaft comprises a driving end, and the outer wall of the driving end is provided with a plurality of second curved surfaces; when the driving end is installed in the installation cavity, the first curved surfaces and the second curved surfaces extend in a direction parallel to the axial direction and are in one-to-one convex-concave fit.
In some embodiments, the inner wall of the mounting cavity has a plurality of protrusions, and a side of each protrusion facing away from the inner wall is formed with the first curved surface.
In some embodiments, the connecting mechanism further includes a fixing seat located on a side of the cutting head facing the connecting guide head, and one end of the connecting guide head is detachably connected to the cutting head through the fixing seat.
In some embodiments, the fixing seat is hollow, and the inner wall of the fixing seat is provided with an annular limiting groove;
the outer wall of the connecting guide head is provided with a plurality of fixed arms, and the fixed arms are limited in the annular limiting grooves.
In some embodiments, each of the retaining arms is attached to an outer wall of the connector guide and extends axially away from the drive end.
In some embodiments, each of the retaining arms has a retention tab located in the annular retention slot.
In some embodiments, the plurality of fixing arms are disposed around the elastic member, the elastic member is a spring, one end of the elastic member abuts against the fixing seat, and the other end of the elastic member abuts against the connecting guide head.
In some embodiments, an end surface of the driving end facing the connecting guide head is a plane, the outer wall of the driving end further has third curved surfaces in one-to-one correspondence with the plurality of second curved surfaces, and the plane is connected with the second curved surfaces through the third curved surfaces.
In some embodiments, the drive shaft further comprises a shaft body, the drive end being located at an end of the shaft body.
In another aspect, embodiments of the present invention provide a shaving device comprising an attachment mechanism as described in one aspect above.
The technical scheme provided by the embodiment of the utility model has the beneficial effects that at least:
the connecting mechanism that this application embodiment provided is applied to and shaves in the equipment, inserts the installation cavity of connecting the guide through the drive end of drive shaft, utilizes the convex-concave cooperation of first curved surface on the inner wall of installation cavity and the second curved surface on the outer wall of drive end one-to-one for the position between connecting guide and the drive shaft is relatively fixed, and at the rotation in-process promptly, connecting the guide and can not taking place to twist for the drive shaft, makes connecting mechanism's transmission more reliable. In addition, because the elastic component is spacing between connecting guide head and tool bit, therefore twist reverse and only take place between connecting guide head and tool bit, compare with the correlation technique, but connect the gap that can deviate between guide head and the tool bit less for the vibrations of tool bit are less, have promoted user's comfort in use.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a connection mechanism according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a connection guide according to an embodiment of the present invention;
FIG. 3 is a schematic view of the connecting guide of FIG. 2 at another angle;
FIG. 4 is a schematic diagram of a tool bit and a connecting guide according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a drive shaft provided in accordance with an embodiment of the present invention;
FIG. 6 is a schematic structural view of a shaving apparatus provided by an embodiment of the present invention;
fig. 7 is a schematic view of the shaving device of fig. 6 at another angle.
The reference numerals in the drawings denote:
1-connecting guide head, 11-mounting cavity, 111-first curved surface, 112-projection, 13-fixing arm, 131-spacing projection,
2-driving shaft, 21-driving end, 211-second curved surface, 212-plane, 213-third curved surface, 22-rod body,
3-an elastic piece is arranged on the upper surface of the shell,
4-a cutter head is arranged on the cutter head,
5-a fixed seat, 51-an annular limiting groove,
6-shell, 61-first sub-shell, 62-second sub-shell.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," "third," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object being described changes.
At present, shaving devices have become an essential living tool in many people's lives in order to facilitate shaving. Since a part of the hairs passes the shaving head into the interior of the shaving device during shaving, it is generally necessary to remove the shaving head and clean the interior of the shaving device after the shaving device has been used.
In the related art, a shaving head of a shaving device is connected to a driving mechanism through a connecting mechanism, and the driving mechanism drives the connecting mechanism to rotate, so that the shaving head rotates, and then a blade in the shaving head rotates, thereby cutting beards attached to the surface of the shaving head.
Usually, the connecting mechanism is fixed on the driving mechanism, and because the connecting mechanism is internally provided with a spring, when the connecting mechanism is driven by the driving mechanism to rotate, the connecting mechanism can be twisted relative to the driving mechanism under the action of centrifugal force, and then the cutter head is driven to be twisted. The gap that can deviate between the connecting head of the connecting mechanism and the cutter head is large due to the torsion, so that the vibration of the cutter head is large, and the use comfort of a user is influenced.
In order to solve the problems in the related art, an embodiment of the present invention provides an attachment mechanism applied to a shaving apparatus, and a schematic structural view thereof is shown in fig. 1.
Referring to fig. 1, the coupling mechanism includes: the guide head 1, the driving shaft 2, the elastic member 3 and the cutter head 4 are connected.
One end of the connecting guide head 1 is detachably connected with the cutter head 4, and the elastic piece 3 is positioned between the connecting guide head 1 and the cutter head 4; the other end of the connecting guide head 1 is provided with a mounting cavity 11, and the inner wall of the mounting cavity 11 is provided with a plurality of first curved surfaces 111.
The driving shaft 2 comprises a driving end 21, and the outer wall of the driving end 21 is provided with a plurality of second curved surfaces 211; when the driving end 21 is mounted in the mounting cavity 11, the plurality of first curved surfaces 111 and the plurality of second curved surfaces 211 extend in a direction parallel to the axial direction and are convex-concave fitted in one-to-one correspondence.
It should be noted that when the driving end 21 is mounted in the mounting cavity 11, the axis of the connecting guide 1 and the axis of the driving end 21 are located on the same straight line, and the direction parallel to the axial direction defined herein means a direction parallel to the straight line.
It is understood that the first curved surface 111 is a convex curved surface and the second curved surface 211 is a concave curved surface, or the first curved surface 111 is a concave curved surface and the second curved surface 211 is a convex curved surface, which is not particularly limited in the embodiment of the present invention.
Therefore, according to the connection mechanism provided by the embodiment of the application, the driving end 21 of the driving shaft 2 is inserted into the installation cavity 11 of the connection guide head 1, and the first curved surface 111 on the inner wall of the installation cavity 11 and the second curved surface 211 on the outer wall of the driving end 21 are in one-to-one convex-concave fit, so that the position between the connection guide head 1 and the driving shaft 2 is relatively fixed, that is, in the rotation process, the connection guide head 1 cannot be twisted relative to the driving shaft 2, and the transmission of the connection mechanism is more reliable. In addition, because elastic component 3 is spacing between connecting guide 1 and tool bit 4, therefore twist reverse and only take place between connecting guide 1 and tool bit 4, because the gap that can deviate between connecting guide 1 and the tool bit 4 is less for the vibrations of tool bit 4 are less, have promoted user's comfort in use.
In addition, the connecting mechanism provided by the embodiment of the utility model has a simple structure and is convenient to manufacture.
The structure of the connection mechanism provided by the embodiment of the present invention is further described below:
fig. 2 is a schematic structural diagram of a connection guide according to an embodiment of the present invention. Referring to fig. 2, in some embodiments, the inner wall of the mounting cavity 11 has a plurality of protrusions 112, and a side of each protrusion 112 facing away from the inner wall is formed with a first curved surface 111, that is, the first curved surface 111 is located on the protrusion 112, so as to facilitate the arrangement of the first curved surface 111.
In some embodiments, the side of each protrusion 112 facing the driver end 21 is a bevel, and the driver end 21 can enter the mounting cavity 11 through the guiding effect of the bevel.
In some embodiments, with continued reference to fig. 2, the number of the protrusions 112 may be 3 and may be uniformly distributed on the inner wall of the installation cavity 11. It is understood that the number of the first curved surfaces 111 may be 3.
Fig. 3 is a schematic view of the connecting guide in fig. 2 at another angle. Referring to fig. 3, in some embodiments, the outer wall of the connecting guide head 1 has a plurality of fixing arms 13, and the plurality of fixing arms 13 are arranged to realize connection with the cutter head 4.
In some embodiments, referring to fig. 3, each of the retaining arms 13 is attached to the outer wall of the connector guide 1 and extends axially away from the drive end 21 to facilitate attachment to a corresponding portion of the tool bit 4.
In some embodiments, the number of the fixing arms 13 is 3, and the fixing arms are uniformly distributed on the outer wall of the connector 1.
In some embodiments, the fixing arm 13 is elastically connected to the outer wall of the connecting guide 1.
In some embodiments, referring to fig. 3 or 4, each fixing arm 13 has a limit bump 131 to function as a limit.
Fig. 4 is a schematic structural diagram of a tool bit and a connecting guide according to an embodiment of the present invention. Referring to fig. 4, in some embodiments, the connection mechanism further includes a fixing seat 5, the fixing seat 5 is located on a side of the cutting head 4 facing the connection guide head 1, and one end of the connection guide head 1 is detachably connected to the cutting head 4 through the fixing seat 5.
Through setting up fixing base 5 to connect leading 1 and tool bit 4 detachably and be connected.
In some embodiments, with reference to fig. 4, the fixing base 5 is hollow, the inner wall of the fixing base 5 has an annular limiting groove 51, and the plurality of fixing arms 13 are limited in the annular limiting groove 51.
The plurality of fixing arms 13 are limited in the annular limiting groove 51, so that the fixed connection between the connecting guide head 1 and the fixing seat 5 can be realized.
In some embodiments, the limiting protrusion 131 of each fixing arm 13 is located in the annular limiting groove 51 and can move axially in the annular limiting groove 51 to ensure that the fixing arm 13 is limited in the annular limiting groove 41.
In some embodiments, referring to fig. 4, a plurality of fixing arms 13 are disposed around the elastic member 3, the elastic member 3 is a spring, one end of the elastic member 3 abuts against the fixing base 5, and the other end abuts against the connecting guide 1, so that the elastic member 3 is telescopically located between the fixing base 5 and the connecting guide 1.
Fig. 5 is a schematic structural diagram of a driving shaft according to an embodiment of the present invention. Referring to fig. 5, in some embodiments, an end surface of the driving end 21 facing the connecting guide 1 is a flat surface 212, the outer wall of the driving end 21 further has third curved surfaces 213 corresponding to the plurality of second curved surfaces 211 one to one, and the flat surface 212 is connected to the second curved surfaces 211 through the third curved surfaces 213.
Wherein the plane 212 may be a driving surface, the second curved surface 21 may be a transition surface, and the third curved surface 213 may be a connecting surface. The plane 212 is used for abutting against the inner wall of the connecting guide head 1, the third curved surface 213 is used for transition between the plane 212 and the second curved surface 211, and the second curved surface 211 is used for realizing convex-concave matching with the first curved surface 111.
In some embodiments, referring to fig. 5, the number of the second curved surfaces 211 is three, i.e., the driving end 21 forms a structure like a triangular prism.
In some embodiments, with continued reference to fig. 5, the drive shaft 2 further comprises a shaft 22, and the drive end 21 is located at an end of the shaft 22, and the shaft 22 and the drive end 21 together form the drive shaft 2.
Embodiments of the present application also provide a shaving apparatus, the schematic structural diagrams of which are shown in fig. 6 and 7.
Referring to fig. 6 and 7, the shaving device comprises at least one connection mechanism according to embodiments of the present invention and a housing 6, wherein the connection mechanism is located within the housing 6.
Wherein the housing 6 comprises a first sub-housing 61 and a second sub-housing 62, the connecting guide 1, the elastic member 3 and the cutter head 4 are located in the first sub-housing 61, and the driving shaft 2 is located in the second sub-housing 62 and connected with a driving mechanism (not shown in the figure).
By using at least one attachment mechanism according to embodiments of the present invention, vibrations of the shaving head of the shaving device are reduced, which improves the comfort of the user.
After the shaving apparatus has been used, cleaning of the accommodation cavity formed in the upper part of the second sub-housing 62 can be achieved by separating the first sub-housing 61 from the second sub-housing 62, such that the drive end 21 is removed from the mounting cavity 11; when the cleaning of the receiving cavity is completed, the first sub-housing 61 and the second sub-housing 62 can be assembled for continued use of the shaving apparatus by pressing the first sub-housing 61 onto the second sub-housing 62 such that the driving end 21 enters the mounting cavity 11.
The utility model is not to be considered as limited to the particular embodiments shown and described, but is to be understood that various modifications, equivalents, improvements and the like can be made without departing from the spirit and scope of the utility model.
Claims (10)
1. An attachment mechanism for use in a shaving apparatus, the attachment mechanism comprising: the connecting guide head (1), the driving shaft (2), the elastic piece (3) and the cutter head (4) are connected;
one end of the connecting guide head (1) is detachably connected with the cutter head (4), and the elastic part (3) is positioned between the connecting guide head (1) and the cutter head (4);
the other end of the connecting guide head (1) is provided with an installation cavity (11), and the inner wall of the installation cavity (11) is provided with a plurality of first curved surfaces (111);
the driving shaft (2) comprises a driving end (21), and the outer wall of the driving end (21) is provided with a plurality of second curved surfaces (211); when the driving end (21) is installed in the installation cavity (11), the plurality of first curved surfaces (111) and the plurality of second curved surfaces (211) extend in a direction parallel to the axial direction and are in one-to-one convex-concave fit.
2. The connecting mechanism according to claim 1, characterized in that the inner wall of the mounting cavity (11) has a plurality of protrusions (112), and the side of each protrusion (112) facing away from the inner wall is formed with the first curved surface (111).
3. The attachment mechanism of a shaving apparatus as claimed in claim 1, characterized in that the attachment mechanism further comprises a holder (5), the holder (5) being located on the side of the shaving head (4) facing the connection lead (1), one end of the connection lead (1) being detachably connected to the shaving head (4) via the holder (5).
4. The connecting mechanism according to claim 3, characterized in that the fixing base (5) is hollow inside, and the inner wall of the fixing base (5) is provided with an annular limiting groove (51);
the outer wall of the connecting guide head (1) is provided with a plurality of fixing arms (13), and the fixing arms (13) are limited in the annular limiting groove (51).
5. A coupling mechanism according to claim 4, wherein each of the securing arms (13) is connected to an outer wall of the connecting guide (1) and extends in an axial direction away from the drive end (21).
6. A connection mechanism according to claim 4, wherein each of said fixing arms (13) has a stop lug (131), said stop lug (131) being located in said annular stop groove (51).
7. The connecting mechanism according to claim 4, characterized in that the plurality of fixing arms (13) are arranged around the elastic member (3), the elastic member (3) is a spring, one end of the elastic member (3) abuts against the fixing seat (5), and the other end abuts against the connecting guide head (1).
8. The connecting mechanism according to claim 1, wherein an end surface of the driving end (21) facing the connecting guide head (1) is a flat surface (212), the outer wall of the driving end (21) further has third curved surfaces (213) corresponding to the plurality of second curved surfaces (211) one by one, and the flat surface (212) is connected with the second curved surfaces (211) through the third curved surfaces (213).
9. A coupling mechanism according to claim 1, wherein the drive shaft (2) further comprises a rod (22), the drive end (21) being located at the end of the rod (22).
10. A shaving device, characterized in that the shaving device comprises an attachment mechanism as claimed in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121852650.0U CN215318842U (en) | 2021-08-09 | 2021-08-09 | Attachment mechanism and shaving apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121852650.0U CN215318842U (en) | 2021-08-09 | 2021-08-09 | Attachment mechanism and shaving apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215318842U true CN215318842U (en) | 2021-12-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121852650.0U Active CN215318842U (en) | 2021-08-09 | 2021-08-09 | Attachment mechanism and shaving apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215318842U (en) |
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2021
- 2021-08-09 CN CN202121852650.0U patent/CN215318842U/en active Active
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