CN208697497U - Coupling structure and razors - Google Patents

Abstract

A kind of coupling structure and razors of the utility model, its coupling structure includes the first connection parts and the second connection parts, first connection parts are equipped with connecting shaft, and the second connection parts are equipped with connecting cavity, and the shape of connecting shaft is adapted with the shape of connecting cavity and can be connected with each other or separate；Connecting shaft is equipped at least two convex buckles radially protruded out, and elastic slice button corresponding with each convex buckle position is equipped in connecting cavity, and when connecting shaft is inserted into connecting cavity, convex buckle forces corresponding elastic slice is buckle-shaped to become and until with elastic slice button snapping.Elastic slice button can keep due elastic force, and then may insure that the first connection parts and the second connection parts can remain stable connection status.

Description

Coupling structure and razors

Technical field

The utility model belongs to personal care product's technical field more particularly to a kind of coupling structure and razors.

Background technique

Personal care product, such as razors generally comprise cutter head and handle, and multi-pass crosses connection between cutter head and handle Snapping between buckle and buckle pedestal realizes being detachably connected between the two.But in existing this kind of snap fit, If razors use overlong time, connection buckle can be because be in the presence of elastic force decrease using fatigue, Jin Erwu Method keeps the stabilization snapping between buckle pedestal, leads to the reduced service life of razors.Meanwhile in connection, connection Buckle and buckle base contacts and resistance is big when needing further snapping, needing to apply biggish power can be to complete；Dividing From when, the connection buckle and buckle pedestal of buckle state can be separated by also needing to apply biggish power, moreover, once operating Accidentally, it connects and is also easy to damage at the snapping position of buckle and buckle pedestal, lead to not continue connection use.

Utility model content

The purpose of this utility model is to provide a kind of coupling structure and razors, it is intended to solve example in the prior art The personal care product of such as razors frequently assembles and disassembles the technical issues of being difficult to keep stable connection status after use.

A kind of coupling structure that in order to achieve the above purposes, the technical solution adopted by the utility model is:, including the first connection part Part and the second connection parts, at least one of first connection parts and second connection parts are equipped with connecting shaft, institute State in the first connection parts and second connection parts another be equipped with connecting cavity, the shape of the connecting shaft with it is described The shape of connecting cavity is adapted and can be connected with each other or separate；

The connecting shaft is equipped at least two convex buckles radially protruded out, is equipped with and each convex buckle in the connecting cavity The corresponding elastic slice button in position, when the connecting shaft is inserted into the connecting cavity, the convex buckle forces the corresponding elastic slice buckle-shaped Become and until with the elastic slice button snapping.

The utility model has the beneficial effects that the coupling structure of the utility model, the first connection parts and the second connection parts Between interconnection or separation by interconnection between connecting shaft and connecting cavity or separate realizations, and connecting shaft and Interconnection or separation between connecting cavity are realized by the snapping between convex buckle and elastic slice button, wherein convex buckle and elastic slice button Between snapping be in connecting shaft insertion connecting cavity in when, convex buckle oppresses and forces the buckle-shaped change of elastic slice, and as connecting shaft is inserted into The depth of connecting cavity increases, and convex buckle is detached from the compressing to elastic slice button, while under the resilient force of elastic slice button, and elastic piece restores Shape simultaneously limits convex buckle, and such convex buckle and elastic slice button realize snapping between the two.Due between convex buckle and elastic slice button connection or By forcing the buckle-shaped change of elastic slice to be realized when person separates, and elastic slice button itself is spring structure, will not be because of itself frequency Numerous deformation and there is the phenomenon of elastic force fatigue, then can effectively ensure even if continually assembling and disassembling the first connection parts and the Two connection parts, elastic slice button can keep due elastic force, and then may insure the first connection parts and the second connection part When part changes in connection status, stable connection status can be remained.Also, the connection type of this kind of coupling structure is easy to It realizes, in installation process, applies certain pressure when as long as connecting shaft being inserted into connecting cavity and force elastic slice buckle-shaped by convex buckle Connection can be realized in change；In disassembly process, it will mainly apply force to along axial extraction in connecting shaft, bullet is forced by convex buckle Piece button again deformation and until convex buckle with can elastic slice button realize separate.

The utility model use another solution is that a kind of razors, including cutter head assembly and Handleset, institute Stating cutter head assembly includes the first connection parts described at least one of above-mentioned coupling structure or second connection parts, The Handleset includes another described first connection parts or second connection parts in above-mentioned coupling structure, institute State cutter head assembly and the Handleset by connection between first connection parts and second connection parts or Connection or separation are realized in separation.

The razors of the utility model, due to using above-mentioned coupling structure, even when continually assembling and disassembling cutter head Component and Handleset can still ensure at the first connection parts and the second connection parts by the elastic component in coupling structure When connection status changes, and then cutter head assembly and Handleset is enabled to remain stable connection status, and entire Assembly and disassembly operations is all very convenient, practical.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of coupling structure provided by the embodiment of the utility model.

Fig. 2 is the Section View of the line A-A along Fig. 1.

Fig. 3 is the decomposition diagram one of coupling structure provided by the embodiment of the utility model.

Fig. 4 is the decomposition diagram two of coupling structure provided by the embodiment of the utility model.

Fig. 5 is the structural schematic diagram of the first connection parts of coupling structure provided by the embodiment of the utility model.

Fig. 6 is the structural schematic diagram of the second connection parts of coupling structure provided by the embodiment of the utility model.

Fig. 7 is that elastic buckles, fixed plate and the sealing ring of coupling structure provided by the embodiment of the utility model are interconnected Structural schematic diagram.

Fig. 8 is the Section View of the line B-B along Fig. 7.

Fig. 9 is the Section View of razors provided by the embodiment of the utility model.

Figure 10 is the decomposition diagram of razors provided by the embodiment of the utility model.

Wherein, each appended drawing reference in figure:

10-the first connection parts 11-connecting shaft, 12-trimming plane

20-the second 21-connecting cavity of connection parts, 22-limit plane

23-clearance position 30-convex buckle, 40-elastic slice buttons

41-elastic portion 42-fixed part, 43-button bits

44-connecting hole 50-fixed plate, 51-connecting columns

60-sealing ring 100-cutter head assembly, 111-upper limit areas

200-211-lower limit of Handleset area, 411-vertical sections

412-V-type sections.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining the description of attached drawing 1~10 is exemplary, it is intended to for explaining the utility model, and should not be understood as practical to this Novel limitation.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of utility model.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

As shown in Fig. 1~2, a kind of coupling structure provided by the embodiment of the utility model, it is suitable for such as razors Deng personal care product, personal care product can also be trimmer, beauty instrument etc..Coupling structure includes the first connection parts 10 and second connection parts 20, the first connection parts 10 and the second connection parts 20 can be arranged respectively at personal care product's (refering to Fig. 9~10) on cutter head assembly 100 and Handleset 200, for so that cutter head assembly 100 and Handleset 200 can To realize connection or separation.First connection parts 10 and the second connection parts 20 can be used as the cutter head in personal care product A component in component 100 or Handleset 200, is also possible to additionally increase such that cutter head assembly 100 and handle group It can connect between part 200 or isolated increase component.

Wherein, as shown in Fig. 2, can be arranged in the first connection parts 10 and the second connection parts 20 position it is corresponding with The perforation of connection can be installed or be worn, example for the other component of cutter head assembly 100 and Handleset 200 by the perforation Such as perforation can be produced for shaft, connecting shaft 11, the arrangement and installation of tool apron component, concrete mode according to different personal nursings Product and select different structures to design.

Further, as shown in Figures 1 to 3, at least one of the first connection parts 10 and the second connection parts 20 are equipped with Connecting shaft 11, another in the first connection parts 10 and the second connection parts 20 are equipped with connecting cavity 21, that is, the first connection part Connecting shaft 11 is arranged in part 10, and connecting cavity 21 is then arranged in the second connection parts 20；Alternatively, connecting cavity is arranged in the first connection parts 10 21, connecting shaft 11 is arranged in the second connection parts 20, in the present embodiment, is arranged connecting shaft 11 with the first connection parts 10, and second Relay part 20 is illustrated for connecting cavity 21 is then arranged.

As shown in Figures 1 to 3, the shape of connecting shaft 11 be adapted with the shape of connecting cavity 21 and can be connected with each other or Separation；Connecting shaft 11 can be mutually adapted with connecting cavity 21, it is ensured that after connecting shaft 11 is adapted to connection with connecting cavity 21, will not be gone out Shaking, the rotation that product uses now are influenced, and the connecting shaft 11 for ensuring to complete after connection can be in external force with connecting cavity 21 Disassembly separation may be implemented under effect.

Further, as shown in Fig. 1~2, between connecting shaft 11 and connecting cavity 21 connection or isolated direction it is fixed Justice be it is axial, axial center line is central axis P, it is above-mentioned or following in the central axis P being previously mentioned with reference Subject to this, and radial direction is then defined as perpendicular to the axially direction.Wherein, connecting shaft 11 is equipped at least two radially protruded out A convex buckle 30 is equipped with elastic slice button 40 corresponding with each 30 position of convex buckle in connecting cavity 21, when connecting shaft 11 is inserted into connecting cavity 21, Convex buckle 30 forces corresponding 40 deformation of elastic slice button and until with 40 snapping of elastic slice button.When axially, connecting shaft 11 is inserted into and is connected When connecing in chamber 21, convex buckle 30 force corresponding 40 deformation of elastic slice button (in this embodiment, the radially deformation of elastic slice button 40) and until With 30 snapping of convex buckle, elastic slice button 40 and convex buckle 30 after mutual snapping can also realize the first connection parts 10 and second of limitation Relay part 20 is rotated centered on central axis P, so also keeps the steady of snapping between elastic slice button 40 and convex buckle 30 indirectly It is qualitative, it is ingenious in design, it is practical.

State after the completion of elastic slice button 40 snapping corresponding with position of convex buckle 30 is realized on the direction of central axis P Lower abutting, so, it is ensured that convex buckle 30 avoids the occurrence of on the direction of central axis P with elastic slice button 40 under the action of not by external force Relative displacement.

As shown in Figures 1 to 3, the specific connection of coupling structure and isolated realization process be, the first connection parts 10 and Interconnection between second connection parts 20 or separation by interconnection between connecting shaft 11 and connecting cavity 21 or Separation realizes, and interconnection between connecting shaft 11 and connecting cavity 21 or separates by between convex buckle 30 and elastic slice button 40 Snapping is realized, wherein the snapping between convex buckle 30 and elastic slice button 40 is when connecting shaft 11 is inserted into connecting cavity 21, and convex buckle 30 is pressed Compel and force 40 deformation of elastic slice button, and as the depth that connecting shaft 11 is inserted into connecting cavity 21 increases, convex buckle 30 is detached to elastic slice button 40 compressing, while under the resilient force of elastic slice button 40, elastic piece restores shape and limits convex buckle 30, such convex buckle 30 Snapping is realized between the two with elastic slice button 40.By forcing bullet when due to connecting or separating between convex buckle 30 and elastic slice button 40 40 deformation of piece button is realized, and elastic slice button 40 itself is spring structure, bullet will not occurs because of itself frequent deformation The phenomenon of property power fatigue, then can effectively ensure even if continually assembling and disassembling the first connection parts 10 and the second connection parts 20, Elastic slice button 40 can keep due elastic force, and then may insure that the first connection parts 10 are in the second connection parts 20 When connection status changes, stable connection status can be remained.

That is, between the first connection parts 10 and the second connection parts 20 in coupling structure in the present embodiment Assembly and disassembly using not will lead to elastic slice button 40 fatigue and influence its performance, elastic slice button 40 still may be used in the long-term use process To guarantee elastic force possessed by itself, i.e., it can reset and realize always and stablize snapping with convex buckle 30.Preferably, elastic slice Button 40 is the elastic slice button 40 of metal material.The elastic force of the elastic slice button 40 of metal material is splendid, and being used for a long time still has well Elastic force.

Certainly, in other embodiments, elastic component can also be plastic resilient part, as long as having enough elastic forces to exist It can be resetted after deformation occurs, and frequently using still with elastic force good enough.

Wherein, the connection type of the coupling structure in the present embodiment is easily achieved, in installation process, as long as by connecting shaft 11 Apply certain pressure when in insertion connecting cavity 21 to force lock deformation by convex buckle 30 and realize that snapping connects；Disassembly process In, it will mainly apply force in connecting shaft 11 along axial extraction, the deformation and straight again of elastic slice button 40 is forced by convex buckle 30 It separates, has the advantages that convenient for operating with the realization of elastic slice button 40 to convex buckle 30, will not be laborious in use process, easily freely.

Preferably, as Fig. 2 and Fig. 4 show, there are two convex buckles 30 for setting in connecting shaft 11, and two convex buckles 30 are radially right Claim setting, and the quantity of elastic slice button 40 can be set one, as long as its can be achieved at the same time with two 30 snappings of convex buckle, such as This can at least realize connecting shaft 11 in the point of two circumferential directions and limit.In this way, on the one hand may insure through mutual snapping Elastic slice button 40 avoid the first connection parts 10 from relatively rotating with the second connection parts 20 with convex buckle 30；On the other hand It may insure the stability after the first connection parts 10 are connect with the second connection parts 20, will not be loosened in local location, Meanwhile the quantity of convex buckle 30 is also minimal set, reduce the complexity of coupling structure, reduces structure, be readily produced manufacture.

Certainly, in other embodiments, be arranged in connecting shaft 11 there are three or three or more convex buckles 30, and around The circumferential direction of connecting shaft 11 is equally spaced, and accordingly, the quantity for the elastic slice button 40 being arranged in connecting cavity 21 can be greater than one It is a, it is designed in this way and can likewise ensure that the first connection parts 10 can frequently assemble and disassemble use without influencing with the second connection parts 20 Its stability after connecting.

In the present embodiment, as shown in figs. 2 to 4, connecting shaft 11 is equipped at least one trimming plane 12, sets in connecting cavity 21 Have to match with each trimming plane 12 and merge for limiting connecting shaft 11 in the limit rotated centered on central axis P in connecting cavity 21 Plane 22.At least one trimming plane 12 of coupling structure in connection status and a limit plane 22 face each other and match It sets.So when there are external force to force using central axis P as center axis the first connection parts 10 of relative rotation and the second connection parts When 20, limit plane 22 can be limited mutually with trimming plane 12, prevent the first connection parts 10 and 20 phase of the second connection parts To rotation, can so occur relatively rotating and influencing between the two to avoid the first connection parts 10 and the second connection parts 20 Component home on connective stability or the first connection parts 10 of damage and the second connection parts 20.

Preferably, as shown in Fig. 2, the shape of connecting shaft 11 and connecting cavity 21 is circular configuration, trimming plane 12 can be The outer wall of connecting shaft 11 is formed, and limiting plane 22 can form in the inner wall of connecting cavity 21.

It is highly preferred that the quantity of trimming plane 12 is two, and two trimming planes 12 are with radial direction as shown in Fig. 5~6 It is symmetrical arranged, similarly, the quantity of limit plane 22 is also two, and two limit planes 22 are arranged with radial symmetric.In this way, circle The connecting shaft 11 of shape similar body of the formation after being respectively equipped with two trimming planes 12 and two limit planes 22 with connecting cavity 21 Educate the round rectangle shape of field (playground) shape.

In the present embodiment, as shown in Fig. 7~8, elastic slice button 40 includes elastic portion 41 and the fixed part connecting with elastic portion 41 42, it is preferable that elastic portion 41 and fixed part 42 are integrally formed, and are designed in this way and on the one hand be may insure elastic portion 41 and fixed part 42 On the other hand stable connection may insure elastic portion 41 after deformation occurs, guarantee that good elastic force can reset rapidly, protect Demonstrate,proving it can be with 30 snapping of convex buckle.

Wherein, fixed part 42 is fixedly connected in connecting cavity 21, can be by fixed part according to the practical structures of connecting cavity 21 42 are fixed on the cavity wall (bottom wall or side wall) of connecting cavity 21, can also be fixed on the residence being fixedly connected with the second connection parts 20 On middle component, the component placed in the middle be located in connecting cavity 21 or the positions such as the bottom of connecting cavity 21 on, it is ensured that fixed part 42 is fixed In fixed state on a position in connecting cavity 21, and the installation of connecting shaft 11 is not influenced.Elastic portion 41 It extends in connecting cavity 21 and is formed cantilever-shaped, the end of elastic portion 41 is in free state, is in stationary state with fixed part 42 On the contrary, such but elastic portion 41 end after by active force compressing deformation, due to the effect of fixed part 42, is removing the work oppressed After firmly, elastic portion 41 can reset rapidly in time, at this point, what is be arranged in elastic portion 41 can answer after convex buckle 30 oppresses deformation The snapping with convex buckle 30 simultaneously is realized with the button bit 43 of 30 snapping of convex buckle in position.

Preferably, as shown in Fig. 7~8, elastic slice button 40 may include multiple elastic portions 41 and connect with each elastic portion 41 One fixed part 42, fixed part 42 is plate-like, and elastic portion 41 is connected to the periphery of plate-like fixed part 42, such as two vertically Elastic portion 41 is symmetrically connected to the periphery an of fixed part 42 or three or more elastic portions 41 are in that circumferential uniform intervals are laid In the periphery of a fixed part 42.

It is highly preferred that multiple elastic portions 41 are integrally formed with a fixed part 42, it can be by a fixed part 42 Upper punch forming goes out multiple elastic portions 41.

In the present embodiment, as shown in figure 3, at least one convex buckle 30 is arranged in a trimming plane 12, it is preferable that each One convex buckle 30 is set in trimming plane 12, the setting of trimming plane 12 so that the outer wall of connecting shaft 11 in 12 position of trimming plane The area of space at place is increased, and the installation space for being easier to arrangement convex buckle 30 is provided for setting convex buckle 30.Similarly, at least one A limit plane 22 is equipped with clearance position 23, at least one elastic portion 41 is located in clearance position 23.The setting of limit plane 22 makes The inner wall for obtaining connecting cavity 21 is increased in the area of space that limit 22 position of plane goes out, and further in limit plane 22 Clearance position 23 is set, and so the elastic portion 41 for setting elastic slice button 40, which provides, is easier to the installation space of arrangement and provides For the space of 41 deformation of elastic portion.Also, the trimming plane 12 being arranged is corresponding with limit plane 22, when needing connecting shaft 11 insertion connecting cavities 21 in when, trimming plane 12 and limit plane 22 realize be pre-positioned, as long as realize by trimming plane 12 with Limit plane 22 is mutually aligned, and can will complete the contraposition between convex buckle 30 and the elastic portion 41 of elastic slice button 40, then not needing The elastic portion 41 that individually correspond to convex buckle 30 and elastic slice button 40 is just able to maintain connecting shaft 11 when being inserted into connecting cavity 21, can So that convex buckle 30 and the elastic portion 41 of elastic slice button 40 finally can be realized snapping.

Further, fixed part 42 is fixed on the bottom in connecting cavity 21, according to the practical structures of connecting cavity 21, can incite somebody to action Fixed part 42 is fixed on the bottom wall of connecting cavity 21, or can also be fixed on the portion placed in the middle being fixedly connected with the second connection parts 20 On part, which is located on the bottom position of connecting cavity 21, it is ensured that the fixed state of fixed part 42, and do not influence connecting shaft 11 installation.As shown in Fig. 2, elastic portion 41 formed along the axially extending setting for being parallel to central axis P it is cantilever-shaped.Elasticity Portion 41 is axially extended to top from bottom, and end is in free state, in this way, elastic portion 41 can with fixed part 42 The junction of connection is that origin swings (stress compressing after), and after removing active force, elastic portion 41 can reset rapidly in time, The button bit 43 for ensuring to be arranged in elastic portion 41 can realize snapping with convex buckle 30 or be formed by buckle state and be separated.

Preferably, as shown in Fig. 4 and Fig. 7~8, elastic portion 41 includes vertical section 411 and V-type section 412, vertical section 411 Bottom end is connect with fixed part 42, top is along the axially extending of central axis P is parallel to, and V type section 412 is connected to vertical section 411 Top, and the tip of V-type section 412 to be towards perpendicular to radially extending for central axis P forming button bit 43, V-type section 412 and vertical The tip of the substantially vertical perhaps vertical V-type section 412 of state or the extending direction of opening when section 411 connects and vertical The extending direction of section 411 is substantially vertical or vertical.V-type section 412 is connected to fixed part 42 by vertical section 411, and passes through Vertical section 411 makes V-type section 412 be in the state of a cantilever, is thusly-formed the button bit that the tip location in V-type section 412 goes out 43 can be by the compressing of convex buckle 30, while 411 deformation of vertical section, in this way with the lasting insertion connecting cavity 21 of connecting shaft 11 Interior, the vertical section 411 after deformation resets, and the button bit 43 of V-type section 412 snaps onto the top of convex buckle 30, connecting shaft 11 and company at this time It connects chamber 21 and completes connection.Similarly, when applying active force extraction connecting shaft 11, convex buckle 30 oppresses the tip position of V-type section 412 again The button bit 43 set out, while 411 deformation of vertical section, persistently pull away connecting cavity 21 with connecting shaft 11 in this way, perpendicular after deformation Straight section 411 resets, and the button bit 43 of V-type section 412 is detached from the snapping with convex buckle 30, connecting shaft 11 and the completion point of connecting cavity 21 at this time From.

In the present embodiment, as shown in Fig. 7~8, the tip of V-type section 412 is made of bending technique with cambered surface Tip.Specifically, the setting at the tip of the cambered surface in V-type section 412 is mainly used for reducing frictional force when contacting with convex buckle 30.When When connecting shaft 11 is inserted into connecting cavity 21, convex buckle 30 is connected to the upper end inclined-plane of V type section 412, is continuously applied active force, The upper end inclined-plane that convex buckle 30 compresses V-type section 412 forces 411 deformation of vertical section, then under the action of the cambered surface at tip, convex buckle 30 It is easier to realize mutual sliding between V-type section 412, and then is easier to force 411 deformation of vertical section, until connecting shaft 11 is inserted Enter to connecting cavity 21 and is adapted to connection with connecting cavity 21.When needing to separate the connection between connecting shaft 11 and connecting cavity 21.It is past Outside applies the power for extracting connecting shaft 11, equally, the lower end of the upper surface of the convex buckle 30 in connecting shaft 11 and V-type section 412 at this time Inclined-plane abuts, and forces 411 deformation of vertical section, then still under the action of the cambered surface at tip, between convex buckle 30 and V-type section 412 It is easier to realize mutual sliding, and then is easier to force 411 deformation of vertical section, until connecting shaft 11 is completely from connecting cavity 21 It pulls away, so that connecting shaft 11 is separated with connecting cavity 21.

More specifically, the cambered surface at the tip of V-type section 412 specifically refers to the upper end inclined-plane of V-type section 412 as shown in Fig. 7~8 It forms cambered surface transition between the inclined-plane of lower end to be formed, the design of this structure is conducive to the company between connecting shaft 11 and connecting cavity 21 It connects and lock out operation, the active force applied when reducing plug connecting shaft 11 promotes the convenience degree used, it is practical.

In the present embodiment, as shown in Fig. 2, being formed with the lower limit for accommodating convex buckle 30 between V-type section 412 and fixed part 42 Position area 211.Lower limit area 211 is mainly used for limiting the displacement of convex buckle 30 axially.The limit height in lower limit area 211 is V The lower end inclined-plane of type section 412 is the distance between to fixed part 42.When connecting shaft 11 is completely from when being inserted into connecting cavity 21, convex buckle 30 are accommodated in lower limit area 211, and the limit in lower limit area 211 is highly greater than the upper surface of convex buckle 30 to the thickness between lower end surface Degree, in this way, lower limit area 211 can preferably be adapted to accommodating convex buckle 30, the lower end inclined-plane of V-type section 412 is for limiting convex buckle 30 Upper surface, fixed part 42 is used to limit the lower end surface of convex buckle 30, and so realizing prevents convex buckle 30 in the effect for being not affected by external force The lower displacement for biggish axial direction (towards the lower end inclined-plane of V-type section 412 or towards fixed part 42) occur.

Further, as shown in Fig. 2, connecting shaft 11, which is equipped with, is located at 30 top of convex buckle and for accommodating V type section 412 Upper limit area 111, when V-type section 412 is placed in upper limit area 111, the button bit 43 in V-type section 412 is always positioned at upper limit area In 111.Upper limit area 111 is mainly used for limiting the displacement of V-type section 412 axially.The limit height convex buckle in upper limit area 111 The distance between the step surface for being located at 30 top of convex buckle formed after trimming plane 12 is arranged in 30 upper surface to connecting shaft 11.When When connecting shaft 11 is completely inserted into connecting cavity 21, V-type section 412 is accommodated in upper limit area 111, the limit in upper limit area 111 Height is greater than the upper end inclined-plane of V-type section 412 to the maximum gauge between the inclined-plane of lower end, in this way, upper limit area 111 can be preferable Ground adaptation accommodating V-type section 412, the upper surface of convex buckle 30 are used to limit the lower end inclined-plane of V-type section 412, and trimming is arranged in connecting shaft 11 The step surface for being located at 30 top of convex buckle formed after plane 12 is used to limit the upper end inclined-plane of V-type section 412, and so realizing prevents V There is biggish axial direction (towards the upper surface of convex buckle 30 or towards connecting shaft 11 under the action of being not affected by external force in type section 412 The step surface for being located at 30 top of convex buckle formed after trimming plane 12 is set) displacement.As shown in Fig. 2, passing through upper limit area 111 It is similar so that form the state being engaged after the button bit 43 of V-type section 412 and the mutual snapping of convex buckle 30 with the setting in lower limit area 211 Engaging between the female thread and pin thread in zipper, connective stability is splendid, by under axial external force, be not necessarily to load The button bit 43 of heart V-type section 412 is disconnected with convex buckle 30, and then can make the first connection parts 10 and the second connection parts 20 Stability after completing connection is able to effective guarantee.

Meanwhile the setting in upper limit area 111 and lower limit area 211 also have prompt connecting shaft 11 and connecting cavity 21 whether The function of connection in place.When connecting shaft 11 to be inserted into connecting cavity 21, connection is inserted into connecting shaft 11 is continuously applied Depth in chamber 21, can judge whether convex buckle 30 is connected to lower limit (the i.e. fixed part 42 in lower limit area 211 by feel Surface), while the reversed power for applying 11 1 axial directions of connecting shaft can judge whether convex buckle 30 is connected to lower limit by feel The upper limit (i.e. the lower end inclined-plane of V-type section 412) in position area 211, judges connecting shaft 11 is connect with whether connecting cavity 21 is adapted to this In place.

Certainly, it can also judge whether V-type section 412 is connected to upper limit area by feel during aforesaid operations 111 lower limit (upper surface of convex buckle 30), while the reversed power for applying 11 1 axial directions of connecting shaft can judge V by feel Type section 412 whether be connected to upper limit area 111 upper limit (i.e. connecting shaft 11 be arranged trimming plane 12 after formed be located at convex buckle The step surface of 30 tops), judge connecting shaft 11 is connect in place with whether connecting cavity 21 is adapted to this.

Also, the setting in upper limit area 111 and lower limit area 211 is utilized respectively limit plane 22 and trimming plane 12 is able to It realizes, is not necessarily to independent design, avoid structure is complicated from changing, the advantage of effective reason original structure, advanced optimizing design can shape At upper limit area 111 and lower limit area 211.

Preferably, as shown in figure 5, the wedge shaped shape of each convex buckle 30, the i.e. front end of convex buckle 30 have certain cone end.It is in After the convex buckle 30 of wedge shape structure and the mutual snapping of button bit 43 of V-type section 412, it can be realized and force after axially applying active force Convex buckle 30 is separated with the button bit 43 of lock V-type section 412, to realize between the button bit 43 of V-type section 412 and convex buckle 30 with this removable Unload connection.

In the present embodiment, elastic slice button 40 can be integrally formed by metal material by elastic portion 41 and fixed part 42 and be made, The elasticity of metal material is favourable, and for a long time and continually fatigue will not occur in use, still just there is good elasticity time Multiple power, in this way can be to avoid because the increase of access times causes the snapping stability between convex buckle 30 and elastic slice button 40 to decline.

Further, convex buckle 30 and connecting shaft 11 can be integrally formed by plastic material makes.It is being manufactured connection When axis 11, it is manufactured convex buckle 30 together, i.e. convex buckle 30 is an integral structure with connecting shaft 11, and the design of this structure can be mentioned effectively Rise the stability of convex buckle 30.Even if 11 small volume of connecting shaft still may insure the stable structure of convex buckle 30, also, this kind Structure design will not influence the use and performance of convex buckle 30 it may also be ensured that when the axial setting of connecting shaft 11 is empty.

In the present embodiment, as shown in Fig. 2, connecting cavity 21 is communicating structure, the lower section of the connecting cavity 21 of communicating structure is equipped with Fixed plate 50, the fixed part 42 of elastic slice button 40 are set to the bottom of connecting cavity 21 and are fixedly connected with fixed plate 50.Fixed plate 50 is made It can be connected for the fixed part 42 of elastic slice button 40 for centering elements, be the support that the installation of the fixed part 42 of elastic slice button 40 provides Structure may insure that the fixed part 42 of elastic slice button 40 after completion of installation can be always in fixed state (as solid in this way Fixed end).And fixed plate 50 can be connect with the second connection parts 20, can also be fixedly connected on other external (cutter head assemblies 100 or Handleset 200) on.To sum up, the fixed plate 50 provided realizes the fixed part 42 for elastic slice button 40 Installation is fixed.

Preferably, as shown in fig. 7, fixed part 42 is equipped with several connecting holes 44, fixed plate 50 is worn respectively equipped with several Each connecting hole 44 is crossed to fix the connecting column 51 of fixed part 42.For example, connecting column 51 can be interference fitted with connecting hole 44, such as This makes fixed plate 50 achieve a fixed connection with fixed part 42.In another example connecting column 51 can realize riveting (even with connecting hole 44 Connecing column 51 is plastic material, is riveted on fixed part 42 by heating melting；Interconnecting piece is metal material, solid by compressing deformation It is scheduled on fixed part 42), with this fixed plate 50 is achieved a fixed connection with fixed plate 50.For another example connecting column 51 can be Metal parts fixation by way of bending is connected on fixed part 42, and fixed part 42 and fixed plate 50 can be made to realize in this way It is fixedly connected.

In the present embodiment, as shown in Fig. 2, the periphery of fixed plate 50 is embedded with sealing ring 60.Sealing ring 60 can use Plastic material or silica gel material manufacture to be formed, and primarily serve the effect of sealing, reduce dust and moisture content in fixed plate 50 Gap location between edge or fixed plate 50 and the second connection parts 20 enters in connecting cavity 21, lift structure it is reliable Property and stability.

The utility model embodiment also provides a kind of razors, and in conjunction with shown in Fig. 9~10, razors include cutter head group Part 100 and Handleset 200, cutter head assembly 100 are the component for realizing operation, and Handleset 200 is for holding and providing electricity The component of dynamic or power supply unit installation.Further, cutter head assembly 100 includes above-mentioned at least one of coupling structure First connection parts 10 or the second connection parts 20, Handleset 200 include above-mentioned coupling structure in another first Relay part 10 or the second connection parts 20, cutter head assembly 100 are coupled by the first connection parts 10 with second with Handleset 200 Connection or separation are realized in connection or separation between component 20.

The razors of the utility model embodiment, due to using above-mentioned coupling structure, even when continually filling Tear cutter head assembly 100 and Handleset 200 open, can still ensure by the elastic component in coupling structure the first connection parts 10 with When second connection parts 20 change in connection status, and then cutter head assembly 100 and Handleset 200 is enabled to remain steady Fixed connection status, and entire assembly and disassembly operations is all very convenient, it is practical.

In other embodiments, such as the personal care product of trimmer, beauty instrument etc. also may include above-mentioned connection Structure, to ensure that cutter head assembly 100 and the Handleset 200 of personal care product can be realized frequent assembly and disassembly and use, without Influence the stability connected between cutter head assembly 100 and Handleset 200.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (14)

1. a kind of coupling structure, including the first connection parts and the second connection parts, it is characterised in that: first connection parts Connecting shaft is equipped with at least one of second connection parts, in first connection parts and second connection parts Another be equipped with connecting cavity, the shape of the connecting shaft is adapted with the shape of the connecting cavity and can be connected with each other Or separation；

The connecting shaft is equipped at least two convex buckles radially protruded out, is equipped with and each convex buckle position in the connecting cavity Corresponding elastic slice button, when the connecting shaft is inserted into the connecting cavity, the convex buckle forces the corresponding buckle-shaped change of the elastic slice simultaneously Until with the elastic slice button snapping.

2. coupling structure according to claim 1, it is characterised in that: the connecting shaft is flat equipped at least one trimming Face, the connecting cavity be equipped with each trimming plane with merge for limit the connecting shaft in the connecting cavity in The limit plane rotated centered on mandrel line.

3. coupling structure according to claim 2, it is characterised in that: the elastic slice button include elastic portion and with the elasticity The fixed part of portion's connection, the fixed part are fixedly connected in the connecting cavity, and the elastic portion extends in the connecting cavity Formed cantilever-shaped, and the elastic portion is equipped with after the convex buckle oppresses deformation and can reset and button with the convex buckle snapping Position.

4. coupling structure according to claim 3, it is characterised in that: at least one described convex buckle setting is cut described in one In the plane of side, at least one described limit plane is equipped with clearance position, at least one described elastic portion is located in the clearance position.

5. coupling structure according to claim 3, it is characterised in that: the fixed part is fixed on the bottom in the connecting cavity Portion, the elastic portion form cantilever-shaped along the axially extending setting for being parallel to the central axis.

6. coupling structure according to claim 5, it is characterised in that: the elastic portion includes vertical section and V-type section, described The bottom end of vertical section is connect with the fixed part, top is connected along the axially extending of the central axis, the V-type section is parallel to In the top of the vertical section, and the tip of the V-type section towards perpendicular to the central axis radially extend to be formed it is described Button bit.

7. coupling structure according to claim 6, it is characterised in that: the tip of the V-type section is by bending technique system At the tip with cambered surface.

8. coupling structure according to claim 6, it is characterised in that: be formed between the V-type section and the fixed part For accommodating the lower limit area of the convex buckle.

9. coupling structure according to claim 6, it is characterised in that: the connecting shaft, which is equipped with, to be located above the convex buckle And the upper limit area for accommodating the V-type section.

10. according to the described in any item coupling structures of claim 3~9, it is characterised in that: the elastic slice button is by the elastic portion System and/or the convex buckle are integrally formed by metal material with the fixed part and the connecting shaft passes through plastic material one It is body formed and make.

11. according to the described in any item coupling structures of claim 3~9, it is characterised in that: the connecting cavity is communicating structure, The lower section of the connecting cavity of communicating structure be equipped with fixed plate, the fixed part be set to the connecting cavity bottom and with it is described solid Fixed board is fixedly connected.

12. coupling structure according to claim 11, it is characterised in that: the fixed part is equipped with several connecting holes, institute It states fixed plate and is each passed through each connecting hole equipped with several to secure the above the connecting column of fixed part.

13. coupling structure according to claim 12, it is characterised in that: the periphery of the fixed plate is embedded with sealing ring.

14. a kind of razors, including cutter head assembly and Handleset, it is characterised in that: the cutter head assembly includes having the right It is required that the first connection parts described at least one of coupling structure described in 1~13 or second connection parts, the hand Handle component includes another described first connection parts or second connection in coupling structure described in claim 1~13 Component, the cutter head assembly and the Handleset pass through the company between first connection parts and second connection parts Connect or separate realization connection or separation.