CN214643836U - Connection structure and shaver - Google Patents

Abstract

The utility model provides a connecting structure and a shaver, wherein the connecting structure comprises a connecting head and a connecting piece, the connecting piece is provided with a first cavity, and the first cavity is configured to receive and accommodate the connecting head; wherein the connector includes at least one capture member therein and the connector includes at least one capture slot configured to receive and accommodate the at least one capture member to couple the handle assembly and the bit assembly; coupling structure still includes the elastic component, elastic component one end is fixed on the connecting piece, the other end with detain the position and connect in order to provide the messenger detain the position orientation detain the position groove and slide and until with the power of detaining position groove lock joint, the utility model provides a coupling structure makes tool bit subassembly and handle assembly can be for a long time frequent use of installing and removing and keep stable connected state.

Description

Connection structure and shaver

Technical Field

The utility model belongs to the technical field of personal care utensil and appearance pruning product, especially, relate to a draw bail and razor.

Background

Electric shavers are classified into rotary type and reciprocating type according to the manner of blade motion. Rotary electric shavers usually have a plurality of rotary cutting elements driven in an oscillating manner by an electric drive unit, which cutting elements may be driven in an oscillating or continuous manner. The electric drive unit may comprise an electric motor, wherein the drive unit may comprise a transmission member transmitting a driving motion of the motor to the cutting element, the motor being receivable within a handle assembly of the shaver.

The utility model discloses an electric shaver's tool bit subassembly and handle subassembly between the position is detained to the buckle, and the position is detained to one of tool bit subassembly and handle subassembly through being equipped with the buckle, another correspondence between the tool bit subassembly of electric shaver and the handle subassembly realization connection dismantled between the two. This kind of connected mode resets through the elasticity of buckle self at installation and removal tool bit subassembly in-process, and the condition that elasticity weakens appears because long-time the use easily in the buckle, and then can't keep tool bit subassembly and handle assembly's stable lock joint, leads to electric shaver to be unable to use. The prior art discloses a technical scheme who provides the restoring force that the buckle resets through the shell fragment, but the structure is comparatively complicated, in addition, still discloses the technical scheme who provides the restoring force that the buckle resets through the spring, but spring and handle assembly are not fixed, and easy slip leads to buckle connection structure insensitive, and the landing leads to buckle structure inefficacy of pine even. Therefore, it is necessary to provide a new fastening structure for a head assembly of an electric shaver, so that the head assembly and the handle assembly can be frequently assembled and disassembled for a long time to maintain a stable connection state, and the assembly and disassembly are convenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric razor with solve one or more problems in these problems, provide a razor tool bit subassembly and handle assembly's draw bail and include this draw bail's razor, it includes one fixed connection in one end and handle assembly or the tool bit subassembly, the other end and detain a swing joint's elastic component, and the restoring force that elastic deformation produced takes place for the accessible elastic component maintains detain a piece and detain the lock joint state between the groove for tool bit subassembly and handle assembly can be for a long time frequent use of installing and removing and keep stable connected state to this prolongs life, ensures easy dismounting simultaneously.

The present invention provides a coupling structure configured for use in a shaver at a junction between a handle assembly and a cutter head assembly of the shaver for releasably coupling the handle assembly and the cutter head assembly, the coupling structure comprising a connector and a connector, the connector having a first cavity configured to receive and accommodate the connector; wherein the connector includes at least one capture member therein and the connector includes at least one capture slot configured to receive and accommodate the at least one capture member to couple the handle assembly and the bit assembly; the connecting structure further comprises an elastic piece, one end of the elastic piece is fixed on the connecting piece, and the other end of the elastic piece is connected with the buckling piece so as to provide force for enabling the buckling piece to slide towards the buckling groove and till the buckling piece is buckled with the buckling groove.

Preferably, the elastic part comprises a fixing part and a deformation part, the elastic part is fixed on the connecting piece through the fixing part, and the elastic part is connected with the buckling part through the deformation part.

The technical scheme of the utility model through providing a draw bail, improve the elastic component structure, increase the fixed part of location, prevent the elastic component from the connecting piece landing, avoid draw bail inefficacy. The fixing part and the deformation part of the elastic part can be integrally formed.

Preferably, the connecting piece is provided with a connecting column, the fixing part comprises a connecting hole, and the connecting hole is matched with the connecting column to fix the elastic piece on the connecting piece.

The connecting hole is matched with the connecting column to firmly fix the elastic piece on the connecting piece, so that the elastic piece is prevented from generating deviation rotation when stressed, and the elastic piece deformation part is conveniently opened when the buckling part is stressed, so that the tool bit assembly is smoothly installed or taken out, and the opening and closing sensitivity of the elastic piece when stressed is improved.

Preferably, the buckling piece is provided with a mounting groove at one end close to the elastic piece, and the mounting groove is used for being matched with the deformation part to connect the elastic piece and the buckling piece. The mounting groove can be matched with the shape of the deformation part, so that the deformation part of the elastic part can be conveniently opened when the buckling part is stressed.

Preferably, the deformation portion comprises two symmetrically arranged clamping portions, and the clamping portions are in a straight line shape, a V-shaped structure, a U-shaped structure, a C-shaped structure or a snake-shaped structure.

Preferably, the clamping parts are in a straight line shape, a gap L is formed between the clamping parts, and L satisfies the condition that L is more than or equal to 1cm and less than or equal to 5 cm. The elastic piece meeting the condition can provide proper restoring force for the buckling piece, on one hand, the cutter head component is prevented from easily falling off from the handle component when the restoring force is too small when the shaver is stressed in use or accidentally knocked down, on the other hand, the cutter head component of the shaver can be installed or detached by a user with too large restoring force.

Preferably, a first groove is formed in the connecting piece, and a first buckle matched with the first groove is correspondingly arranged on the connecting head. The first buckle and the first groove are matched to provide a guiding effect, so that the buckling piece and the buckling groove are accurately matched, the circumferential movement of the connecting piece around the hand connector is prevented, and the stable and reliable connection structure is ensured.

Preferably, one end of the first buckle close to the handle assembly is provided with a first avoiding surface which is convenient for the first buckle to be embedded into the first groove. The first avoiding surface is convenient for the first buckle to enter the first groove, and the first buckle is prevented from scratching the first groove. The first avoiding surface can be an inclined surface, an arc surface or a curved surface.

Preferably, the buckling piece and the first groove are arranged at intervals along the circumferential direction of the connecting piece. The number of the buckling parts can be 2, the buckling parts are symmetrically arranged on the connecting piece, and the number of the first grooves can be 1.

Another object of the present invention is to provide a shaver, which comprises a shaver head assembly and a handle assembly, and the shaver further comprises the above-mentioned coupling structure.

The utility model discloses a connection structure improves the elastic component structure, increases the fixed part of location, prevents the elastic component from the connecting piece landing, avoids the connection structure inefficacy, prevents that the elastic component from producing the skew when the atress and rotating, opens elastic component deformation portion when being convenient for detain a atress to install or take out the tool bit subassembly smoothly, the sensitivity of opening and shutting when improving the elastic component atress.

Drawings

The above-mentioned and other features and advantages of this disclosure, and the manner of attaining them, will become more apparent and the disclosure itself will be better understood by reference to the following description of non-limiting embodiments of the disclosure taken in conjunction with the accompanying drawings, wherein:

fig. 1 is a schematic view of a coupling structure provided by an embodiment of the present invention;

fig. 2 is a bottom view of the coupling structure provided in the embodiment of the present invention;

FIG. 3 is a cross-sectional view A-A of the coupling shown in FIG. 2;

fig. 4 is an exploded view of a coupling structure provided by an embodiment of the present invention;

fig. 5 is a schematic view of a connecting head in a shaver coupling structure;

FIG. 6 is a schematic view of a connector in a shaving razor coupling;

FIG. 7 is yet another schematic view of the connection member in the razor linkage;

fig. 8 is a schematic view of the resilient member in the shaver coupling structure;

FIG. 9 is a schematic view of a catch in a razor coupling;

fig. 10 is a schematic view of a shaver provided by an embodiment of the present invention;

wherein, in the figures, the respective reference numerals:

10-a cutter head assembly; 11-a connector; 111-catching slots; 112-a first buckle; 1121-a first avoidance slope; 113-a first bump; 1131-a second avoidance slope; 1132-a fourth avoidance ramp; 20-a handle assembly; 21-a connector; 211-a first cavity; 212-a connecting column; 213-a first groove; 214-a second cavity; 215-a via hole; 22-a snap member; 221-an installation groove; 222-a third avoidance ramp; 223-convex strips; 23-an elastic member; 231-a fixing part; 232-deformation part; 2311-connecting holes; 2321-engaging part.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the scope of the present disclosure.

In the following description, suffixes such as "module", "part", "assembly", or "unit" are used only for convenience of description of the present invention, and do not have a specific meaning by themselves, and thus may be used mixedly.

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-10, the present disclosure provides a coupling structure configured for use in a shaving razor at a junction between a handle assembly 20 and a cutter head assembly 10 of the shaving razor for releasably coupling the handle assembly 20 and the cutter head assembly 10. The coupling structure includes a connector 11 and a connector 21, the connector 11 can be disposed on the cutter head assembly 10, in which case the connector 21 is disposed on the handle assembly 20, or the connector 11 can be disposed on the handle assembly 20, in which case the connector is disposed on the cutter head assembly 10. In this embodiment, the connector 11 is provided on the cutter head assembly 10, and the connector 21 is provided on the handle assembly 20. The connector 21 has a first cavity 211, the first cavity 211 being configured to receive and accommodate the connection head 11; wherein the connector 21 includes at least one capture 22 therein, and the connector 11 includes at least one capture slot 111 therein, the capture slot 111 configured to receive and accommodate the capture 22 to couple the handle assembly 20 to the bit assembly 10; the catching groove 111 may be formed by integrally injection-molding the connector 11. The coupling structure further comprises an elastic member 23, one end of the elastic member 23 is fixed on the connecting member 21, and the other end of the elastic member 23 is connected with the catching member 22 to provide a force for sliding the catching member 22 toward the catching groove 111 until the catching groove 111 is caught. Also housed within the handle assembly 20 are a motor and other component parts such as some or all of a power source, control circuitry, etc. The bit assembly 10 can be selectively coupled to the handle assembly 20 such that the motor drives movement of the bit assembly 10 when in the coupled position.

Further, the elastic member 23 includes a fixing portion 231 and a deformation portion 232, the elastic member 23 is fixed on the connecting member 21 by the fixing portion 231, and the elastic member 23 is connected with the catching member 22 by the deformation portion 232. The connecting member 21 is provided with a connecting post 212, and the fixing portion 231 includes a connecting hole 2311, and the connecting hole 2311 is matched with the connecting post 212 to fix the elastic member 23 on the connecting member 21. The elastic member 23 may include a plurality of fixing portions 231 and deformation portions 232.

The technical scheme of the utility model through providing a draw bail, improve the structure of elastic component 23, increase the fixed part 231 that is used for the location, prevent elastic component 23 from connecting piece 21 landing, avoid draw bail inefficacy. The fixing portion 231 and the deformation portion 231 of the elastic element 23 may be integrally formed. The connection hole 2311 is matched with the connection column 212 to firmly fix the elastic part 23 on the connection part 21, so that the elastic part 23 is prevented from generating deviation rotation when stressed, the deformation part 232 of the elastic part 23 is conveniently opened when the buckling part 231 is stressed, the cutter head assembly 10 is smoothly installed or taken out, the opening and closing sensitivity of the elastic part 23 when stressed is improved, and the sensitivity of the connection structure is further improved. The elastic part 23 is preferably a clamp spring, the clamp spring is sleeved in the connecting column 212, and the clamp spring cannot bounce off the installation position due to deformation in the deformation process of the compressed or recovered elastic force through the limit of the connecting column 212.

Further, one end of the position-retaining member 22 close to the elastic member 23 is provided with a mounting groove 221, and the mounting groove 221 is used for cooperating with the deformation portion 232 to connect the elastic member 23 and the position-retaining member 22. The deformation portion 232 may include two engaging portions 2321 symmetrically disposed, and the engaging portions 2321 may be in a straight-line shape, a V-shaped structure, a U-shaped structure, a C-shaped structure, or a serpentine structure. The shape of the mounting groove 221 is matched with the shape-changing portion 232, so that the shape-changing portion 232 can be conveniently opened when the buckling member 22 is stressed.

Furthermore, the clamping parts 2321 are in a straight line shape, a gap L is formed between the clamping parts 2321, the L is larger than or equal to 1cm and smaller than or equal to 5cm, the elastic piece 23 meeting the condition can provide proper restoring force for the buckling piece 22, on one hand, the situation that the cutter head component is easily separated from the handle component when the shaver is stressed in use or accidentally knocked down due to too small restoring force is prevented, on the other hand, the situation that the cutter head component of the shaver can be installed or detached by a user with too large restoring force is prevented, and user experience is improved. Preferably, L is more than or equal to 1cm and less than or equal to 2.5cm, and preferably, L is more than or equal to 1.5cm and less than or equal to 2 cm. The gap L is the maximum distance between the two engaging portions 2321 of the same elastic element 23 in the stationary state, and when the connecting head 11 applies a force to the engaging element 22, the distance between the two engaging portions 2321 increases. Furthermore, the connecting member 21 is provided with a first groove 213, and the connecting head 11 is correspondingly provided with a first buckle 112 which is matched with the first groove 213. The cooperation of the first latch 112 and the first groove 213 provides a guiding function, so that the position-retaining member 22 and the position-retaining groove 111 can be accurately matched, and the connecting member 21 can be prevented from moving circumferentially around the hand connector 11, thereby ensuring a stable and reliable connecting structure.

Further, an end of the first latch 112 near the handle assembly 20 is formed with a first avoiding surface 1121 for facilitating the first latch 112 to be inserted into the first groove 213. The first avoiding surface 1121 facilitates the first buckle 112 to enter the first groove 213, and simultaneously prevents the first buckle 112 from scratching the first groove 213. The first avoidance surface 1121 may be an inclined surface, an arc surface, or a curved surface.

Further, the catching member 22 and the first groove 213 are spaced apart along the circumferential direction of the connecting member 21. The number of the buckling parts 22 can be multiple, for example, the number of the buckling parts 22 can be 2, and the buckling parts 22 are symmetrically arranged on the connecting piece, and the number of the buckling grooves 111 and the number of the elastic parts 23 correspond to that of the buckling parts 22; the number of the first grooves may be 1.

The connection and separation of the coupling structure is realized by the connection and separation of the handle assembly 20 and the bit assembly 10 through the connection and separation of the connector 11 and the connector 21, and the connection and separation of the connector 11 and the connector 21 through the fastening of the catching groove 111 and the catching member 22, wherein the fastening of the catching groove 111 and the catching member 22 is realized by rotating the connector 11 to the first catch 112 into the first groove 213 when the connector 11 is inserted into the connector 21, continuing to move the connector 11 downwards, the connector 11 applying a force moving in a direction away from the connector 11 to the catching member 22, and at this time, the elastic member 23 applying a force moving in a direction approaching the connector 11 to the catching member 22, and as the depth of the connector 11 inserted into the connector 21 increases, the catching member 22 enters the catching groove 111 on the connector 11 under the elastic force of the elastic member 23, the capture slot 111 matches the capture member 22 to form a lock. In order to apply a force to the locking member moving away from the connecting head 11, the connecting head 11 is provided with a first protrusion 113, the first protrusion 113 is wedge-shaped, that is, the front end of the first protrusion 113 has a certain tapered end, the locking member 22 can also be wedge-shaped, and when the locking member 22 enters the locking groove 111, the locking member 22 can also be locked with the first protrusion 113. The first protrusion 111 can be provided with a second avoiding surface 1131, the catching part 22 is provided with a third avoiding surface 222, the cooperation of the second avoiding surface 1131 and the third avoiding surface 222 facilitates the catching part 22 to enter the catching groove 111, and the second avoiding surface 1131 and/or the third avoiding surface 222 can be an inclined surface, an arc surface or a curved surface, so as to facilitate the application of force and avoid mutual scratch. When the tool bit assembly 10 needs to be detached from the handle assembly 20, after an acting force is applied in the axial direction, the connecting head 11 moves in a direction away from the handle assembly 20, the first protrusion 111 may be provided with a fourth avoiding surface 1132, the catching member 22 is provided with a fifth avoiding surface (not shown), and the fourth avoiding surface and the fifth avoiding surface are matched to facilitate the separation of the catching member 22 and the catching groove 111, so that the detachable connection between the connecting head 111 and the connecting member 21 is realized.

As shown in fig. 3, 6 and 7, the connecting member 21 further has a second cavity 214, the second cavity 214 is located at a side of the first cavity 211 and is communicated with the first cavity 211 through a through hole 215, the through hole 215 is disposed inside the connecting member 21, the through hole 215 is located between the second cavity 214 and the first cavity 211, the holding member 22 is slidably connected to the through hole 215, the holding member 22 has at least a partial structure located in the through hole 215, an outer annular dimension of the holding member 22 is matched with an inner annular dimension of the through hole 215, a protruding strip 223 is disposed on the holding member 22, and the through hole 215 is correspondingly provided with a sliding groove to ensure that the holding member 22 can slide in the through hole 215. The connecting column 212 is disposed in the second cavity 214, the deformation portion 232 of the elastic member 23 abuts against the rear end of the fastening member 22, and the fixing portion of the elastic member 23 is fixed in the second cavity 214 through the connecting hole 2311 and the connecting column 212 in a matching manner. Thus, the elastic member 23 can always exert an elastic force on the catching member 22, so that the catching member 22 is always forced to have a force of sliding toward the first cavity 211. In a natural state, the catching member 22 partially protrudes into the first cavity 211, so that when the connector 11 is fully inserted into the connector 21, the catching member 22 is accommodated in the catching groove 111.

In addition, by adjusting the length and/or shape of the position-retaining member 22, the position-retaining member 22 is prevented from sliding into the first cavity 211 completely in the through hole 215, for example, the cross-sectional area of the rear end of the position-retaining member 22 is set to be larger than the cross-sectional area of the through hole 215, or the rear end of the position-retaining member 22 abuts against and is fastened to the inner wall of the mounting cavity 23.

Another object of the present invention is to provide a shaver, which comprises a head assembly 10 and a handle assembly 20, and further comprises the above-mentioned coupling structure.

In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement.

Claims (10)

1. A coupling structure configured for use in a shaver at a junction between a handle assembly and a cutter head assembly of the shaver for releasably coupling the handle assembly and the cutter head assembly, characterized in that:

the coupling structure includes a connector and a connector having a first cavity configured to receive and house the connector;

wherein the connector includes at least one capture member therein, the connector includes at least one capture slot configured to receive and accommodate the at least one capture member to couple the handle assembly and the bit assembly;

the connecting structure further comprises an elastic piece, one end of the elastic piece is fixed on the connecting piece, and the other end of the elastic piece is connected with the buckling piece so as to provide force for enabling the buckling piece to slide towards the buckling groove and till the buckling piece is buckled with the buckling groove.

2. The coupling structure according to claim 1, wherein the elastic member includes a fixing portion and a deformation portion, the elastic member is fixed to the connecting member by the fixing portion, and the elastic member is connected to the retainer by the deformation portion.

3. The coupling structure of claim 2, wherein the connecting member has a connecting post thereon, and the fixing portion includes a connecting hole, the connecting hole cooperating with the connecting post to fix the elastic member on the connecting member.

4. The coupling structure of claim 2, wherein an end of the retainer near the elastic member is provided with a mounting groove, and the mounting groove is used for cooperating with the deformation portion to connect the elastic member and the retainer.

5. The coupling structure of claim 2, wherein the deformation portion comprises two symmetrically disposed engaging portions, and the engaging portions are in a straight line shape, a V-shaped structure, a U-shaped structure, a C-shaped structure or a serpentine structure.

6. The coupling structure according to claim 5, wherein the engaging portions are in a straight line shape, a gap L is provided between the engaging portions, and L satisfies 1cm ≦ L ≦ 5 cm.

7. A coupling structure according to any one of claims 1 to 6, wherein a first groove is formed in the connecting piece, and a first buckle matched with the first groove is correspondingly formed on the connecting head.

8. The coupling structure of claim 7, wherein an end of the first catch proximate the handle assembly is formed with a first relief surface that facilitates insertion of the first catch into the first recess.

9. The coupling structure of claim 7, wherein the capture member and the first groove are circumferentially spaced apart along the connecting member.

10. A shaver, includes tool bit subassembly and handle assembly, its characterized in that: the shaver comprising a coupling structure according to any one of claims 1-9.

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