CN216781910U

CN216781910U - Static knife, blade set and shaver

Info

Publication number: CN216781910U
Application number: CN202122792429.7U
Authority: CN
Inventors: 不公告发明人
Original assignee: Yuanhai Medical Technology Co ltd
Current assignee: Yuanhai Medical Technology Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-06-21
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses a static knife, a blade set and a shaver, wherein the static knife is matched with a movable knife to cut hair, the static knife is provided with a static knife cutting part, static knife teeth are formed on the static knife cutting part, a cutting groove is formed between two adjacent static knife teeth, the static knife comprises a static blade, the static blade is provided with a blade body, the blade body is provided with a first surface facing skin and a second surface opposite to the first surface, the blade body is provided with a reinforcing structure protruding relative to the first surface or the second surface, and the reinforcing structure is at least arranged on one of the first surface or the second surface. According to the shaver, the static knife is provided with the reinforcing structure, so that the thinner static knife can have enough rigidity strength, and the phenomenon of knife jumping is not easy to occur in use; the bending deformation of the static knife is not easy to occur, the matching between the movable knife and the static knife is ensured, shorter hair can be trimmed, and the stability of the structure is higher.

Description

Static knife, blade set and shaver

Technical Field

The utility model relates to a static knife, a blade set and a shaver using the same.

Background

The patent with the application number of 201821971856.3 discloses a tool bit of a reciprocating shaver, and specifically discloses that the stationary knife comprises a stationary knife body, the stationary knife body is provided with side wings which extend from the left side and the right side of the stationary knife body respectively, the side wings extend inwards to the bottom of the stationary knife body relatively, left and right knife grooves with opposite notches are formed between the side wings and the stationary knife body, a cutting part and a hair feeding hole for the hair to enter the knife grooves are arranged between the stationary knife body and the side wings, the movable knife comprises a movable knife body, movable knife teeth extending into the left and right knife grooves are arranged on the left and the right sides of the movable knife body respectively, the support comprises a support body, the left and the right sides of the support body are provided with upward supporting arms, the supporting arms are arranged below the side wings, a connecting piece is arranged between the support and the stationary knife, one end of the connecting piece is fixed with the stationary knife body, and the other end of the connecting piece is fixed with the support body, when the fixed knife is fixed on the bracket by the connecting piece, the side wings are pressed on the supporting arms and change the internal height of the knife groove so as to limit the gap of the knife teeth of the movable knife moving up and down in the knife groove. The fixed knife body is supported by the support, specifically, the side wings are supported by the support arms along the moving direction of the movable knife, the support arms and the side wings extend in the same direction, and the support arms are used for positioning the movable knife by limiting the height inside the guide grooves. According to the arrangement form of the blade group of the cutter head, the height of the guide groove defined by the fixed cutter body and the side wing is the same as the thickness of the movable cutter, namely, the fixed cutter body and the side wing are both contacted with the fixed cutter, so that the temperature rise is high in the use process; in addition, since the pocket having the stopper function is formed, the outer contour shape of the stationary knife is also restricted by its function, that is, the applicability is low. The patent with application number 201721669741.4 also discloses a stationary knife with another structure, wherein the supporting piece and the protective foil jointly form the stationary knife, the two sides of the supporting piece form a pair of supporting walls, the protective foil also has wall parts symmetrical to the supporting walls, and the supporting walls and the protective foil both extend along the moving direction of the movable knife.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a static knife, a blade set and a shaver.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a quiet sword, quiet sword with move the sword cooperation, cut hair at the moving direction who moves the sword, quiet sword sets up quiet sword shearing part, and quiet sword shearing part forms quiet sword tooth, forms the shearing groove between two adjacent quiet sword teeth, quiet sword includes quiet blade, quiet blade has a blade body, the blade body has a first surface towards skin, a second surface opposite with the first surface, the blade body sets up the convex additional strengthening in relative first surface or second surface, additional strengthening sets up one of them at first surface or second surface at least.

Specifically, quiet sword is still including quiet sword fixing base, quiet sword fixing base has a seat body and the support wall that extends by seat body both ends, quiet blade still has quiet sword wall, the blade body has two relative lateral margins, the lateral margin extends along the moving direction who moves the sword, quiet sword wall is extended towards quiet sword seat by the lateral margin, the blade body sets up with the seat body is relative.

Specifically, the seat body supports the static knife wall on at least part of the surface, the supporting wall is provided with a protective surface which is tightly attached to two ends of the static knife along the moving direction of the moving knife, and the blade body, the static knife wall, the seat body and the supporting wall jointly surround to form an installation cavity for installing the moving knife.

Specifically, the reinforcing structure extends along the moving direction of the movable blade or extends along the direction perpendicular to the moving direction of the movable blade.

Specifically, two symmetrical reinforcing ribs are arranged on the blade body.

In particular, the support wall has at least one support surface supporting the second surface.

Specifically, the side of the seat body of the stationary knife fixing seat opposite to the blade body is recessed so that the center of the stationary knife fixing seat descends.

Specifically, the blade body is along moving the both ends of sword moving direction and being this tip of blade, form spacing groove and insertion groove between blade body and the quiet sword wall, the notch of insertion groove corresponds this tip of blade and is injectd by blade body and quiet sword wall jointly and forms, the one end that blade body was kept away from to two quiet sword walls is the location end, two location ends of quiet sword wall do not meet and form the notch of spacing groove, the insertion groove is linked together with the spacing groove, quiet blade holder is inserted by the insertion groove the spacing inslot forms the support to quiet sword.

The utility model also discloses a blade set which comprises the movable blade and the static blade, wherein the movable blade is provided with a movable blade tooth part matched with the shearing part of the static blade, and the movable blade tooth part forms movable blade teeth.

The utility model also discloses a shaver which comprises the blade set and an elastic part, wherein the elastic part has elastic force vertical to the moving direction of the moving blade, one end of the elastic part is limited by the fixed cutter fixing seat, and the other end of the elastic part tightly presses the moving blade.

The utility model has the beneficial effects that: according to the shaver, the static knife is provided with the reinforcing structure, so that the thinner static knife can have enough rigidity strength, and the phenomenon of knife jumping is not easy to occur in use; the bending deformation of the static knife is not easy to occur, the matching between the movable knife and the static knife is ensured, shorter hair can be cut, and the structural stability is higher; the whole center of the static knife descends, the shaking generated in the moving direction of the vertical moving knife is avoided, the use is more stable, and the stability is higher.

Drawings

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

FIG. 1 is a block diagram of a shaver according to the present invention;

FIG. 2 is an exploded view of a shaver in accordance with the present invention;

FIG. 3 is an exploded view from another angle of FIG. 1;

fig. 4 is an exploded view of another alternate construction of the hair shaver.

Reference numerals:

1. a moving blade 2, a static blade 3, an elastic part 4, a static blade shearing part 5, a moving blade tooth part 6, a blade body 7, a first surface 8, a second surface 9, a reinforcing structure 10, a static blade fixing seat,

11. the movable knife support 12, the connecting feet 13, the connecting holes 14, the base body 15, the supporting wall 16, the fixed knife wall 17, the side edge 18, the supporting surface 19, the supporting base body 20, the positioning structure 21, the auxiliary positioning structure 22, the protecting surface 23, the mounting cavity 24 and the insertion groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model will be further described with reference to the accompanying drawings.

The utility model provides the following technical scheme:

as shown in the attached drawings 1-4, the utility model discloses a shaver, which comprises a blade set provided with a movable blade 1 and a static blade 2, and an elastic element 3, wherein the static blade 2 is matched with the movable blade 1, the hair is cut in the moving direction of the movable knife 1, the static knife 2 is provided with a static knife cutting part 4, the static knife cutting part 4 forms static knife teeth, a cutting groove is formed between two adjacent static knife teeth, the movable knife 1 is provided with a movable knife tooth part 5 matched with the static knife shearing part 4, the movable knife tooth part 5 forms movable knife teeth, the static knife 2 comprises a static knife blade, the stationary blade has a blade body 6, the blade body 6 having a first skin-facing surface 7, a second surface 8 opposite the first surface 7, the insert body 6 is provided with a reinforcing structure 9 protruding with respect to the first surface 7 or the second surface 8, the reinforcing structure 9 is arranged on at least one of the first surface 7 or the second surface 8.

Specifically, the reinforcing structure 9 extends along the moving direction of the moving blade 1 or along the direction perpendicular to the moving direction of the moving blade 1. In this embodiment, two reinforcing ribs are provided as an example, specifically, the reinforcing ribs are provided on the first surface 7 of the blade body 6, and the extending direction of the reinforcing ribs is perpendicular to the moving direction of the moving blade 1. Two symmetrical reinforcing ribs are arranged on the blade body 6. The shaver is characterized in that the static knife 2 is provided with the reinforcing structure 9, so that the thinner static knife 2 can have enough rigidity strength and is not easy to have a knife jumping phenomenon in use; the bending deformation of the static knife 2 is not easy to occur, the matching between the movable knife 2 and the static knife 2 is ensured, shorter hair can be cut, and the stability of the structure is higher.

When the reinforcing ribs are arranged on the second surface 8, the arrangement form of the reinforcing ribs is only required to be not interfered with the movement of the movable blade. By non-interfering is meant: the reinforcing ribs are arranged to avoid the moving range of the movable knife 1; or the reinforcing ribs can be arranged in the moving range of the movable blade 1, but the movable blade 1 is provided with a structure matched with the reinforcing ribs, for example, corresponding grooves are arranged, so that the interference on the movement of the movable blade 1 is avoided.

Specifically, the stationary knife 2 further comprises a stationary knife fixing seat 10. The movable knife 1 further comprises a movable knife bracket 11. The movable knife bracket 11 is fixedly connected with the movable knife 1 oppositely, and the movable knife bracket 11 is connected with an external power element to further drive the movable knife 1 to move. The bottom of the movable blade support 11 is provided with a connecting pin 12 connected with the movable blade 1, a connecting hole 13 is formed at a position corresponding to the movable blade 1, the connecting pin extends into the corresponding connecting hole 13, the movable blade 1 and the movable blade support 11 are connected in an aligned mode, and particularly, the movable blade and the movable blade can be further fixed in a welding mode. The movable blade 1 is arranged like a pi shape, so that a certain space is formed between the movable blade 1 and the fixed blade in the vertical direction, and the space accommodates the connecting foot 12 in the vertical direction.

The fixed blade holder 10 is provided with a holder body 14 and support walls 15 extending from two ends of the holder body 14, the fixed blade is further provided with a fixed blade wall 16, the blade body 6 is provided with two opposite side edges 17, the side edges 17 extend along the moving direction of the movable blade 1, the fixed blade wall 16 extends from the side edges 17 to the fixed blade holder, and the blade body 6 and the holder body 14 are oppositely arranged. The elastic part 3 has an elastic force perpendicular to the moving direction of the moving blade 1, one end of the elastic part 3 is limited by the stationary blade fixing seat 10, and the other end of the elastic part 3 compresses the moving blade support 11. In this embodiment, the elastic element 3 is a spring connected between the movable blade holder 11 and the stationary blade holder 10. The ribs extend in the direction in which the movable blade moves, and are connected to the stationary blade wall 16 on the left and right, taking the direction shown as an example.

As shown in fig. 1, the side of the stationary blade holder 10 opposite to the blade body 6 is recessed such that the center of the stationary blade holder 10 is lowered. Due to the design, the height of the fixed cutter fixing seat 10 is reduced, the assembly space of the shaver is further reduced, the structural stability is improved, and meanwhile, the overall volume design is more miniaturized and is convenient to carry and store.

In particular, to further increase the structural stability, the support wall 15 has at least one support surface 18 supporting the second surface. Specifically, two inner sides of the supporting wall 15 respectively form a supporting seat 19, and a side surface of the supporting seat 19 newly forms a supporting surface 18 for respectively supporting an edge of the second surface of the stationary blade wall 16.

In this embodiment, the supporting seat 19 is provided with a positioning structure 20 protruding from a side surface thereof, and an auxiliary positioning structure 21 is provided at a position corresponding to the stationary blade wall 16 to cooperate with the positioning structure, where the auxiliary positioning structure 21 is a groove formed in the stationary blade wall 16. At least a portion of the surface of the holder body 14 supports the stationary blade wall 16, and thus, the specific configuration of the holder body 14 is not limited.

The supporting wall 15 is provided with a protective surface 22 tightly attached to two ends of the static knife 2 along the moving direction of the movable knife 1, and the blade body 6, the static knife wall 16, the seat body 14 and the supporting wall 15 jointly surround to form an installation cavity 23 for installing the movable knife 1.

In particular, the utility model also provides a shaver which differs from that shown in fig. 1 in that, as shown in fig. 4, the reinforcing structure 9 is not shown in fig. 4 for reasons of perspective. The blade body 6 is the tip of blade body 6 along moving the both ends of 1 direction of moving sword, form spacing groove and insertion groove 24 between blade body 6 and the quiet sword wall 16, the notch of insertion groove 24 corresponds blade body 6 tip and is injectd by blade body 6 and quiet sword wall 16 jointly and form, the one end that two quiet sword walls 16 kept away from blade body 6 is the location end, two location ends of quiet sword wall 16 do not meet and form the notch of spacing groove, insertion groove 24 is linked together with the spacing groove, when the installation, the quiet sword seat is inserted by insertion groove 24 the spacing inslot forms the support to quiet sword 2. The support wall 15 is the second surface 8 that supports the stationary blade at the corresponding notch. After setting up like this, the structure of quiet sword is simpler, in addition, utilizes the notch formation support of support wall 15 to the inserting groove, and quiet blade is in order to accomplish the installation by the form that inserts quiet blade holder by one side, and the quiet blade bending deformation that exogenic action leads to when effectively having avoided the installation, and the intensity of quiet blade also increases thereupon in addition, and structural stability is stronger, and further avoided is because of the temperature rise scheduling problem that quiet blade deformation leads to.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A static knife, the static knife cooperates with moving the knife, cut the hair in the direction of movement which moves the knife, characterized by that: the static knife is provided with a static knife shearing portion, the static knife shearing portion forms static knife teeth, a shearing groove is formed between two adjacent static knife teeth, the static knife comprises a static blade, the static blade is provided with a blade body, the blade body is provided with a first surface facing the skin and a second surface opposite to the first surface, the blade body is provided with a reinforcing structure protruding from the first surface or the second surface, and the reinforcing structure is at least arranged on one of the first surface or the second surface.

2. The stationary knife of claim 1, wherein: the static knife further comprises a static knife fixing seat, the static knife fixing seat is provided with a seat body and supporting walls extending from two ends of the seat body, the static knife blade is further provided with a static knife wall, the blade body is provided with two opposite side edges, the side edges extend along the moving direction of the moving knife, the static knife wall extends towards the static knife seat from the side edges, and the blade body and the seat body are arranged oppositely.

3. The stationary knife of claim 2, wherein: the blade seat comprises a seat body, a blade body, a fixed blade wall, a seat body and a supporting wall, wherein at least part of the surface of the seat body supports the fixed blade wall, the supporting wall is provided with a protective surface which is tightly attached to two ends of the fixed blade along the moving direction of the movable blade, and the blade body, the fixed blade wall, the seat body and the supporting wall jointly surround to form an installation cavity for installing the movable blade.

4. The stationary knife of claim 1, wherein: the reinforcing structure extends along the moving blade moving direction or extends along the direction vertical to the moving blade moving direction.

5. The stationary knife of claim 4, wherein: two symmetrical reinforcing ribs are arranged on the blade body.

6. The stationary knife of claim 2, wherein: the support wall has at least one support surface supporting the second surface.

7. The stationary knife of claim 2, wherein: the blade body is along moving the both ends of sword moving direction and being this tip of blade, form spacing groove and insertion groove between blade body and the quiet sword wall, the notch of insertion groove corresponds this tip of blade and is injectd by blade body and quiet sword wall jointly and form, the one end that blade body was kept away from to two quiet sword walls is the location end, two location ends of quiet sword wall do not meet and form the notch of spacing groove, the insertion groove is linked together with the spacing groove, quiet blade holder is inserted by the insertion groove the spacing inslot forms the support to quiet sword.

8. The stationary knife of claim 2, wherein: one side of the fixed cutter fixing seat opposite to the blade body is concave downwards, so that the center of the fixed cutter fixing seat descends.

9. A blade set, characterized by: the blade set comprises a movable blade and the stationary blade as claimed in any one of claims 1 to 8, wherein the movable blade is provided with a movable blade tooth part matched with the stationary blade cutting part, and the movable blade tooth part forms movable blade teeth.

10. A hair shaver, characterized in that: the hair shaver comprises the blade set of claim 9, and further comprises an elastic member, wherein the elastic member has an elastic force perpendicular to the moving direction of the movable blade, one end of the elastic member is limited by the fixed blade holder, and the other end of the elastic member presses the movable blade.