WO2017020158A1 - 剃须刀刀头 - Google Patents

剃须刀刀头 Download PDF

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Publication number
WO2017020158A1
WO2017020158A1 PCT/CN2015/085685 CN2015085685W WO2017020158A1 WO 2017020158 A1 WO2017020158 A1 WO 2017020158A1 CN 2015085685 W CN2015085685 W CN 2015085685W WO 2017020158 A1 WO2017020158 A1 WO 2017020158A1
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WO
WIPO (PCT)
Prior art keywords
frame wall
hole
razor blade
blade
wall
Prior art date
Application number
PCT/CN2015/085685
Other languages
English (en)
French (fr)
Inventor
任向荣
任驰
Original Assignee
任向荣
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 任向荣 filed Critical 任向荣
Priority to US15/572,743 priority Critical patent/US10335968B2/en
Priority to CN201580003053.1A priority patent/CN107000229B/zh
Priority to EP15899937.5A priority patent/EP3330050B1/en
Priority to PCT/CN2015/085685 priority patent/WO2017020158A1/zh
Publication of WO2017020158A1 publication Critical patent/WO2017020158A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/40—Details or accessories
    • B26B21/4012—Housing details, e.g. for cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
    • B26B21/14—Safety razors with one or more blades arranged transversely to the handle
    • B26B21/22—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
    • B26B21/222—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit
    • B26B21/225—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit the changeable unit being resiliently mounted on the handle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/40—Details or accessories
    • B26B21/4012—Housing details, e.g. for cartridges
    • B26B21/4025—Cap elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/40—Details or accessories
    • B26B21/4043—Contour trimming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/40—Details or accessories
    • B26B21/44—Means integral with, or attached to, the razor for storing shaving-cream, styptic, or the like
    • B26B21/443—Lubricating strips attached to the razor head

Definitions

  • the present invention relates to the field of shaving, and more particularly to a razor blade that simplifies the process, reduces the use of materials, and manufactures the cost.
  • the existing razors are divided into two categories, manual and electric.
  • manual razors it has a large share of the market due to its more thorough shaving and no need for power.
  • the cutter head includes a cutter head frame, a razor blade, a trimming unit, a guide roller and a lubricating strip.
  • the cutter head frame comprises a front frame wall, a rear frame wall and a side frame wall integrally connecting the front frame wall and the rear frame wall.
  • the razor blade is located between the front frame wall and the rear frame wall and assembled on the side frame wall.
  • the guide roller is assembled on the front frame wall, the lubricating strip is embedded on the rear frame wall, and the trimming unit is also assembled on the rear frame wall, and the rear frame wall is assembled between the trimming unit and the lubricating strip assembled at the rear frame wall.
  • the respective portions are separated, and the lubricating strip at this time is located between the razor blades and the trimming unit, so that the rear frame walls are respectively provided with a structure for fixing the lubricating strips and a structure for assembling the trimming unit.
  • the manufacturing process of the bit frame is correspondingly increased, and the material of the bit frame is wasted, thereby increasing the manufacturing cost.
  • the present invention provides a razor blade head comprising a blade frame, a razor blade, a separate trimming unit and a lubricating strip.
  • the cutter head frame comprises a front frame wall, a rear frame wall and a side frame wall, and the front frame wall and the rear frame wall are arranged along the longitudinal direction of the cutter head frame, and the front frame wall and the rear frame wall are also arranged side by side at intervals, and the side frame wall will be arranged
  • the front frame wall and the rear frame wall are integrated into one body.
  • the razor blade is located between the front frame wall and the rear frame wall and is disposed along the longitudinal direction of the blade frame, and the razor blade is mounted on the side frame wall with the blade edge of the razor blade facing the front frame wall.
  • the trimming unit is arranged along the longitudinal direction of the bit frame, the trimming unit is mounted on the side frame wall, and a receiving groove arranged along the longitudinal direction of the bit frame is enclosed between the trimming unit and the rear frame wall.
  • the lubricating strip is arranged along the longitudinal direction of the cutter head frame and inserted into the receiving groove, and the trimming unit and the rear frame wall jointly clamp the lubricating strip in the receiving groove.
  • the blade frame further comprises an intermediate connecting frame wall connected between the front frame wall and the rear frame wall, wherein the middle connecting frame wall is located on a side opposite to the skin when shaving, and the intermediate connecting frame wall faces the shaving
  • One side opposite to the skin extends an arc-shaped protrusion that is coupled with the handle, the arc-shaped protrusions are arranged along the direction of the side frame wall, and the arc-shaped protrusions are provided with arc-shaped sliding grooves, and the handle slides along the arc-shaped sliding groove
  • the cutter head frame is pivoted relative to the handle, the pivot centerline of the arc chute being disposed along the longitudinal direction of the bit frame, and the pivot centerline being offset in the opposite direction in which the arcuate lug extends.
  • the front frame wall, the rear frame wall and the side frame wall enclose a blade space for receiving the razor blade, the side frame wall extends out of the blade space, and the razor blade moves in the first direction.
  • the leg is mounted on the leg and the leg blocks the razor blade in the opposite direction of the first direction.
  • the rear frame wall comprises a partitioning plate for enclosing the blade space arranged in the longitudinal direction of the bit frame
  • the trimming unit comprises a supporting plate and a trimming blade connected with the supporting plate
  • the supporting plate is located at the time of shaving and the skin
  • the trimming blade is located on the side opposite to the skin when shaving, and the ends of the supporting plate and the trimming blade are inserted into the side frame wall in the first direction, and the ends of the trimming blade and the supporting plate are surrounded by the side frame wall.
  • the support plate and the partition plate are arranged side by side with each other and the receiving groove is enclosed between the two.
  • the partitioning plate is provided with a through hole penetrating through the blade space, and the through hole is arranged along the longitudinal direction of the blade frame;
  • the rear frame wall further comprises a connecting plate located opposite to the skin when shaving, the first end of the connecting plate The second end of the connecting plate extends to the supporting plate, and the supporting plate extends toward the dividing plate to extend into the receiving block, and the bearing block carries the lubricating strip inserted into the receiving groove.
  • the side frame wall is provided with a through hole between the front frame wall and the rear frame wall, and the side frame wall is further provided with a clip, and the clip comprises an abutting pressing section across the razor blade and a relative Resisting the compression section and bending along An insertion section inserted into the through hole in one direction, the insertion section opening a separation groove extending through the end of the insertion section in the first direction, the separation groove separating the insertion section from the hole wall of the through hole.
  • the tensioning portion is opened, the tensioning portion is tensioned and pressed against the pressing portion in the first direction, and the tensioning portion is further blocked to prevent the insertion portion from being pulled out from the through hole in a direction opposite to the first direction, and the pressing force is pressed.
  • the tight section interferes with and compresses the razor blade, and the razor blade is clamped between the abutting compression section and the side frame wall.
  • an external object is squeezed into the separation groove in a direction opposite to the first direction, and the expansion tension portion is opened by the external object. And tightened in the through hole.
  • the distraction tensioning portion comprises a first distracting tensioning portion and a second distracting tensioning portion arranged side by side, the first distracting tensioning portion and the second distracting tensioning portion being away from each other
  • the first open tensioning portion and the second open tensioning portion are jointly tightened in the through hole by being extended by the external object.
  • the through holes are arranged on both sides of the razor blade in a direction across the razor blade, and the abutting pressing sections extend across the ends of the two ends of the razor blade, each extending into the insertion section, each An insertion section corresponds to a partitioning groove; and the through hole is away from the end of the pressing pressing section, and the arrangement of the aperture of the through hole is enlarged in the first direction to form a large hole section, and the first opening and the tensioning portion and the second opening are opened.
  • the tight parts are jointly tightened in the large hole section.
  • the insertion section passes through the trimming unit in the first direction and then is inserted into the through hole, and the trimming unit is clamped by the abutting pressing section and the side frame wall.
  • the trimming unit of the present invention is arranged along the longitudinal direction of the bit frame and assembled on the side frame wall, and the receiving groove is arranged between the trimming unit and the rear frame wall in the longitudinal direction of the bit frame, Therefore, when the lubricating strip is arranged along the longitudinal direction of the cutter head frame and inserted into the receiving groove, the trimming unit and the rear frame wall jointly clamp the lubricating strip in the receiving groove, that is, the lubricating strip is fixed by the trimming unit and The rear frame wall is realized, so that the trimming unit has the function of fixing the lubricating strip in addition to the trimming function, thereby effectively utilizing the trimming unit.
  • the rear frame wall is separately provided with a structure for assembling the trimming unit and a structure for assembling the lubricating strip;
  • the razor cutter head forms a receiving groove for assembling the sliding strip between the trimming unit and the rear frame wall when the trimming unit is assembled on the side frame wall, thereby simplifying the process of the razor blade head of the present invention accordingly. Reducing the amount of material used in the razor blade of the present invention reduces the manufacturing cost of the razor blade of the present invention.
  • Figure 1 is a perspective view showing the structure of a razor blade of the present invention.
  • Fig. 2 is a perspective view showing the structure taken along line A-A of Fig. 1.
  • FIG. 3 is a plan view showing the structure of the razor blade shown in FIG. 1.
  • Fig. 4 is a plan view showing the structure taken along line B-B of Fig. 3.
  • Fig. 5 is a perspective view showing the structure taken along line B-B of Fig. 3.
  • Figure 6 is a perspective view showing the structure of the bit frame of the razor blade of the present invention.
  • Figure 7 is a plan view showing the structure of the bit frame shown in Figure 6 taken along the transverse direction thereof.
  • Figure 8 is a perspective view showing the structure of the clip of the razor blade of the present invention.
  • the razor blade 100 of the present invention includes a blade frame 10, a razor blade 20, a separate trimming unit 30, and a lubricating strip 50.
  • the separate trimming unit 30 refers to the two components that are separated from the razor blade 20, and that the two are not directly joined together, so that the two are separately assembled to the blade frame 10.
  • the bit frame 10 includes a front frame wall 11, a rear frame wall 12, and a side frame wall 13.
  • the front frame wall 11 and the rear frame wall 12 are arranged in the longitudinal direction of the bit frame 10, that is, the left and right direction of the bit frame 10 in FIG. 6; and the front frame wall 11 and the rear frame wall 12 are also arranged side by side at intervals.
  • the front frame wall 11 and the rear frame wall 12 are spaced apart in the lateral direction of the bit frame 10 (i.e., the front-rear direction of the bit frame 10 in Fig. 6) to form a space for the shaving blade 20 to be mounted.
  • the side frame wall 13 integrally joins the front frame wall 11 and the rear frame wall 12 to form a frame-shaped structure to simplify the structure of the blade frame 10.
  • the front frame wall 11 and the rear frame wall 12 are parallel to each other, and the side frame walls 13 are two and parallel to each other, so that the front frame wall 11 and the rear frame wall 12 are located at the two side frames.
  • the front frame wall 11, the one side frame wall 13, the rear frame wall 12 and the other side frame wall 13 are formed into a closed structure which is connected end to end to facilitate the shaving blade 20, the trimming unit 30 and Assembly of the lubricating strip 50.
  • the razor blade 20 is located between the front frame wall 11 and the rear frame wall 12, and the razor blades 20 are arranged in the longitudinal direction of the blade frame 10, and the razor blades 20 are assembled.
  • the blade 21 of the razor blade 20 is also directed toward the front frame wall 11 to meet the requirements of shaving.
  • the front frame wall 11, the rear frame wall 12 and the side frame wall 13 enclose a blade space 16 for receiving the razor blade 20, and the side frame wall 13 extends toward the blade space 16 to extend the elastic leg 131.
  • the number of the elastic legs 131 is the same as the number of the razor blades 20, that is, each razor blade 20 is ensured to be carried by a corresponding one of the elastic legs 131, and in the present embodiment, the number of the razor blades 20 is 5, of course, in other embodiments, the number of the razor blades 20 may also be 1, 2, 3 or 4, etc., and is not limited thereto.
  • the leg 131 blocks the razor blade 20 in the opposite direction of the first direction to prevent the razor blade 20 from continuing Move in the first direction.
  • the front frame wall 11 is further assembled with a guide roller 70 embedded in the front frame wall 11, and the guide roller 70 is along the cutter head frame.
  • the longitudinal arrangement of 10 is preferably parallel to the lubricating strip 50.
  • the first direction refers to the direction from the top to the bottom of the cutter head frame 10 in FIG. 1 , that is, the direction indicated by the arrow beside the cutter head frame 10 , and it can also be understood that the razor cutter When the head 100 is shaved, the one facing the skin and the one facing the skin are the first direction.
  • the trimming unit 30 is disposed along the longitudinal direction of the bit frame 10, and the trimming unit 30 is further mounted on the side frame wall 13 to allow the trimming unit 30 and the rear frame wall assembled on the side frame wall 13.
  • a receiving groove 40 (see Fig. 2) arranged in the longitudinal direction of the bit frame 10 is enclosed between the two.
  • the lubricating strip 50 is disposed along the longitudinal direction of the bit frame 10 and inserted into the receiving groove 40.
  • the trimming unit 30 and the rear frame wall 12 collectively clamp the lubricating strip 50 in the receiving groove 40.
  • the trimming unit 30 and the rear frame wall 12 are arranged side by side with each other, and the lateral section of the lubricating strip 50 has a T-shaped structure, so that the bottom end of the lubricating strip 50 is inserted into the receiving groove 40. At this time, the lower end of the top end of the lubricating strip 50 is also supported by the rear frame wall 12 and the trimming unit 30, so that the fixing of the lubricating strip 50 is more reliable. More specifically, as shown in FIGS. 2 and 6, the rear frame wall 12 includes a partitioning plate 121 for enclosing the blade space 16 disposed in the longitudinal direction of the bit frame 10, and the trimming unit 30 includes the supporting plate 31 and the supporting plate 31 trimmed blades 32 joined together.
  • the support plate 31 is located on the side opposite to the skin at the time of shaving (i.e., above the cutter head frame 10 in Fig. 2), and the trimming blade 32 is located on the side opposite to the skin when shaving (i.e., below the cutter head frame 10 in Fig. 2).
  • the trimming blade 32 and the supporting plate 31 are overlapped with each other, and the cutting edge of the trimming blade 32 is located at the support.
  • the ends of the support plate 31 and the trimming blade 32 are inserted into the side frame wall 13 in the first direction, and their ends are surrounded by the side frame walls 13 to prevent the edge of the end portion of the trimming blade 32 from being exposed to the user.
  • the side frame wall 13 is provided with the insertion groove 133 in the first direction, so that the support plate 31 and The end portion of the trimming blade 32 is directly inserted into the insertion groove 133 for the purpose of being assembled in the side frame wall 13.
  • the support block 31 and the partition block 121 are arranged side by side with each other and the aforementioned receiving groove 40 is enclosed therebetween, and the lubricating strip 50 is reliably clamped by the supporting block 31 and the partitioning block 121; That is, the support plate 31 and the partition plate 121 are arranged in parallel with each other to ensure that the sizes of the accommodation grooves 40 are as uniform as possible.
  • the support block 31 is located behind the partition block 121 so that the rear frame wall 12 is smaller in volume. More preferably, the rear frame wall 12 further includes a connecting plate 122 located opposite to the skin when shaving, that is, the connecting plate 122 is located below the bit frame 10, and the first end of the connecting plate 122 is connected to the dividing plate 121.
  • the partitioning block 121 is also integrated with the partitioning block 121, and the lateral cross section of the two is L-shaped to facilitate the formation of the rear frame wall 12.
  • the second end of the connecting plate 122 extends toward the supporting plate 31, and the supporting plate 31 extends toward the partitioning plate 121 to extend into the receiving block 40.
  • the bearing block 33 carries the lubricating strip 50 inserted into the receiving groove 40. Specifically, it is a position below the top end of the lubricating strip 50 carrying the T-shape.
  • the carrier block 33 is bent and extended from the end of the top end of the support block 31 toward the partitioning block 121, and the portion of the bearing block 33 facing the side frame wall 13 is curved and abuts against the side frame wall 13
  • the purpose of fixing the trimming unit 30 is to allow the clip 60 described below to be worn, that is, the clip 60 is placed at the portion of the side wall 13 facing the side of the carrier block 33.
  • the carrier block 33 is located above the corresponding connection block 122 to securely fix the trimming unit 30.
  • the partitioning block 31 is provided with a through hole 1211 penetrating the blade space 16, and the through hole 1211 is arranged along the longitudinal direction of the bit frame 10, so that the receiving groove 40 is in communication with the blade space 16. space.
  • the support plate 31 of the trimming unit 30 is made of a hard material, and is preferably metal, but is not limited thereto.
  • the blade frame 10 further includes an intermediate connection frame wall 14 connected between the front frame wall 11 and the rear frame wall 12, and the intermediate connection frame wall 14 is located on the side opposite to the skin during shaving. That is, under the head frame 10 in FIG.
  • the middle connecting frame wall 14 faces the side opposite to the skin when shaving (ie, the knife
  • the lower portion of the head frame 10 extends an arcuate projection 15 that is coupled to the handle, and the arcuate projections 15 are arranged along the direction of the side frame wall 13; preferably, the side frame walls 13 are spaced apart from the curved projections 15
  • the open side by side arrangement, at the same time, the curved protrusion 15 is provided with an arc chute 151, the handle slides along the arc chute 151 to pivot the bit frame 10 relative to the handle, and the pivot center line of the arc chute 151 ( That is, a straight line passing through the point indicated by P in FIG. 7 and perpendicular to the paper surface of FIG.
  • the pivot center line of the arc chute 151 is a straight line that pivots the bit frame 10 relative to the handle when the handle slides along the arc chute 151.
  • the side frame wall 13 defines a through hole 132 between the front frame wall 11 and the rear frame wall 12 .
  • the insertion groove 151 is located behind the through hole 132 ;
  • the side frame wall 13 is further provided with a clip 60. Since the front side frame wall 13 is two, each side frame wall 13 has a clip 60 corresponding thereto.
  • the clip 60 includes an interference pressing portion 61 spanning the razor blade 20 and an insertion portion 62 that is bent relative to the contact pressing portion 61 and inserted into the through hole 132 in the first direction, the insertion portion 62 is provided with a partitioning groove 621 extending through the end of the insertion section 62 in the first direction, and the partitioning groove 621 separates the insertion section 62 from the opening and opening portion 63 which is opened toward the hole wall of the through hole 132, and is opened up.
  • the tight portion 63 is tensioned against the pressing compression portion 61 in the first direction, and the expansion tension portion 63 also blocks the insertion portion 62 in a direction opposite to the first direction (ie, the cutter head frame 10 in FIG. 1 is from bottom to top).
  • the direction is) pulled out from the through hole 132, and the nip blade 20 is clamped against the razor blade 20, and the razor blade 20 is clamped between the abutting pressing portion 61 and the side frame wall 13 to achieve a pair.
  • the razor blade 20 assembled to the head frame 10 is clamped.
  • the anti-contact pressing portion 61 of the clip 60 is stretched toward the hole wall of the through hole 132 by the opening and holding portion 63 located in the through hole 132 to achieve the purpose of resisting the razor blade 20.
  • the mounting of the clip 60 on the bit frame 10 is quick and easy.
  • the clip 60 since the clip 60 only needs to straddle the razor blade 20 between the front frame wall 11 and the rear frame wall 12, and the splayed tension portion 63 of the insertion portion 62 is supported toward the hole wall of the through hole 132.
  • the clamping action of the razor blade 20 can be achieved by opening, so that the length requirement of the clip 60 is shortened, so that the material of the clip 60 is made smaller, thereby improving the utilization efficiency of the clip 60 to reduce the input cost. More specifically, as follows:
  • the external object is inserted into the separation groove in an opposite direction to the first direction by an external object.
  • the opening and closing portion 63 is stretched by the foreign object and is tightened in the through hole 132. Therefore, the insertion portion 62 is more reliably tightened in the through hole 132, and the clip 30 is facilitated in the bit frame 10.
  • the reason for the above assembly is that when the insertion portion 62 is not inserted into the through hole 132, the expansion portion 63 separated by the separation groove 621 at this time is opened due to no plastic deformation.
  • the size of the tensioning portion 63 is smaller than the corresponding size of the through hole 132.
  • the outer object When the insertion portion 62 is inserted into the through hole 132 and the expansion opening portion 63 is placed in the through hole 132, the outer object is pushed into the separation groove 621 by the outer object in the opposite direction to the first direction to make the outer object top.
  • the push-up tensioning portion 63 is plastically deformed (ie, inelastically deformed) toward the wall of the through hole 132 and is tightened at the inner wall of the through hole 132, so that the expansion and tension portion 63 is tightened in the through hole 132. the goal of.
  • the distraction tensioning portion 63 includes a first distraction tensioning portion 631 and a second distracting tensioning portion 632 arranged side by side, the first distracting tensioning portion 631 and The second opening and closing portion 632 is opened by the foreign object away from the respective directions, so that the first opening and closing portion 631 and the second opening and closing portion 632 are collectively tightened in the through hole 132.
  • the through holes 132 are disposed on both sides of the razor blade 20 in a direction across the razor blade 20, as shown in FIG. 8, the abutting compression section 61 spans the razor blade 20.
  • each of the insertion sections 62 corresponds to a partitioning groove 621, that is, the through hole 132 adjacent to the front frame wall 11 and the through hole 132 adjacent to the rear frame wall 12 are used to clip the clip.
  • the two ends of the 60 are fixed to achieve the purpose of quickly assembling the clip 60 to the cutter head frame 10. As shown in FIG. 4 and FIG.
  • the through hole 132 is away from the end of the pressing pressing portion 61 to enlarge the aperture of the through hole 132 in the first direction to form a large hole segment, and the first opening and closing portion 631 and the first portion
  • the two opening and closing portions 632 are collectively tightened in the large hole portion, so that the first opening and closing portion 631 and the second opening and closing portion 632 are more reliably tightened in the through hole 132.
  • the cross section of the through hole 132 along the first direction has a figure-eight structure to facilitate the stabilization and assembly of the through hole 132 to the expansion and tension portion 63.
  • the inserting section 62 passes through the trimming unit 40 in the first direction and then is inserted into the through hole 132, by the resisting pressing section 61 and the side frame.
  • the wall 13 clamps the trimming unit 40; specifically, the interposing section 62 is first inserted through the supporting plate 31 of the trimming unit 40 and then inserted into the through hole 132.
  • the segment 62 is first inserted through the carrier block 33 extending from the support plate 31 in the trimming unit 40 and then inserted into the through hole 132.
  • the trimming unit 30 of the present invention is disposed along the longitudinal direction of the bit frame 10 and is assembled to the side frame wall 13, and the trimming unit 30 and the rear frame wall 12 are enclosed along the bit frame 10 Vertical cloth
  • the accommodating groove 40 is disposed, so that when the lubricating strip 50 is disposed in the longitudinal direction of the bit frame 10 and inserted into the receiving groove 40, the trimming unit 30 and the rear frame wall 12 jointly clamp the lubricating strip 50 in the receiving groove 40, That is to say, the fixing of the lubricating strip 50 is achieved by the trimming unit 30 and the rear frame wall 12, so that the trimming unit 30 has the function of fixing the lubricating strip 50 in addition to the trimming function, thereby effectively cutting the trimming unit. 30 use it.
  • the rear frame wall is separately provided with a structure for assembling the trimming unit and a structure for assembling the lubricating strip;
  • the razor head 100 forms a receiving groove 40 for assembling the sliding strip 50 between the trimming unit 30 and the rear frame wall 12 when the trimming unit 30 is assembled on the side frame wall 13, thereby simplifying the shaving of the present invention accordingly.
  • the process of the cutter head 100 reduces the amount of material used by the razor blade 100 of the present invention, reducing the manufacturing cost of the razor blade 100 of the present invention.
  • the insertion of the insertion section 62 into the through hole 132 means that it is received in the through hole 132.
  • the end of the insertion section 62 does not protrude beyond the through hole 132, and is effective.
  • the material of the clip 60 is preferably made of aluminum material. Of course, it can also be other materials, but this is well known to those skilled in the art, so This will not be repeated here.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)
  • Knives (AREA)

Abstract

一种剃须刀刀头（100），包括刀头框（10）、剃须刀片（20）、独立的修剪单元（30）及润滑条（50）。刀头框包含前框壁（11）、后框壁（12）及将前框壁和后框壁连成一体的侧框壁（13）。剃须刀片位于前框壁和后框壁之间，剃须刀片装配于侧框壁上，剃须刀片的刀刃朝向前框壁。修剪单元沿刀头框的纵向布置，修剪单元装配于侧框壁上，且修剪单元与后框壁之间围出沿刀头框纵向布置的收容槽（40）。润滑条（50）沿刀头框的纵向布置并插置于收容槽内，修剪单元与后框壁共同夹紧收容槽中的润滑条。该构造使得修剪单元具有修剪功能外，还兼有夹紧润滑条功能，从而能够节省加工工艺，降低材料的使用量和制造成本。

Description

剃须刀刀头 技术领域
本发明涉及剃须领域，尤其涉及一种简化工艺、降低材料的使用和制造成本的剃须刀刀头。
背景技术
随着经济的不断发展及社会的不断进步，提供了丰富的物质消费品，为提高人们的生活水平及追求个性化的生活创造良好的条件，从而加速了物质消费品的需求量，而剃须刀就是诸多物质消费品中的一种。
众所周知，现有的剃须刀分为手动及电动这两大类。对于手动剃须刀来说，由于它具有剃须更彻底和不需电源等优点，所以，在市场占有绝大部分的份额。
对于现有带有修剪单元的手动式剃须刀来说，其刀头包括刀头框、剃须刀片、修剪单元、导向辊和润滑条等结构。其中，刀头框包含前框壁、后框壁及将前框壁和后框壁连成一体的侧框壁。剃须刀片位于前框壁及后框壁之间并组装于侧框壁上。导向辊组装于前框壁上，润滑条嵌设于后框壁上，同时，修剪单元也组装于后框壁上，且组装于后框壁处的修剪单元与润滑条之间被后框壁的相应部位所分隔开，则此时的润滑条位于剃须刀片与修剪单元之间，从而使得后框壁分别设置有用于固定润滑条的结构和用于组装修剪单元的结构。
正由于后框壁需要单独地设置用于固定润滑条的结构及用于固定修剪单元的结构，相应地增加了刀头框的制造工艺，并浪费刀头框的材料，从而增加了制造成本。
因此，急需要一种简化制造工艺、减少材料浪费和降低成本的剃须刀刀头来克服上述的缺陷。
发明内容
本发明的目的在于提供一种简化制造工艺、减少材料浪费和降低成本的剃须刀刀头。
为实现上述目的，本发明提供了一种剃须刀刀头，包括刀头框、剃须刀片、独立的修剪单元及润滑条。刀头框包含前框壁、后框壁及侧框壁，前框壁及后框壁沿刀头框的纵向布置，前框壁和后框壁还呈间隔开的并排布置，侧框壁将前框壁及后框壁连成一体。剃须刀片位于前框壁及后框壁之间且沿刀头框的纵向布置，剃须刀片装配于侧框壁上，剃须刀片的刀刃朝向前框壁。修剪单元沿刀头框的纵向布置，修剪单元装配于侧框壁上，且修剪单元与后框壁之间围出沿刀头框的纵向布置的收容槽。润滑条沿刀头框的纵向布置并插置于收容槽内，由修剪单元与后框壁共同夹紧收容槽内的润滑条。
较佳地，刀头框还包含连接于前框壁及后框壁之间的中间连接框壁，中间连接框壁位于剃须时与皮肤背对的一方，且中间连接框壁朝剃须时与皮肤背对的一方延伸出与手柄配合连接的弧形凸块，弧形凸块沿侧框壁的方向布置，且弧形凸块开设有圆弧滑槽，手柄沿圆弧滑槽滑动而使刀头框相对手柄枢转，圆弧滑槽的枢转中心线沿刀头框的纵向布置，且枢转中心线沿弧形凸块延伸的相反方向偏置。
较佳地，前框壁、后框壁及侧框壁围出供收容剃须刀片的刀片空间，侧框壁朝刀片空间处延伸出弹腿，剃须刀片沿第一方向移动靠近所述弹腿并装配于该弹腿上，则弹腿沿第一方向的相反方向阻挡剃须刀片。
较佳地，后框壁包含沿刀头框的纵向布置的供围出刀片空间用的分隔板块，修剪单元包含支撑板块及与支撑板块连在一起的修剪刀片，支撑板块位于剃须时与皮肤正对的一方，修剪刀片位于剃须时与皮肤背对的一方，支撑板块及修剪刀片的端部沿第一方向插置于侧框壁内，由侧框壁包围修剪刀片及支撑板块的端部，支撑板块与分隔板块相互并排且两者之间围出收容槽。
较佳地，分隔板块开设有与刀片空间贯通的贯通孔，贯通孔沿刀头框的纵向排列；后框壁还包含位于剃须时与皮肤背对一方的连接板块，连接板块的第一端与分隔板块连接，连接板块的第二端伸向支撑板块，支撑板块朝分隔板块处延伸出伸入收容槽内的承载块，承载块承载插入收容槽内的润滑条。
较佳地，侧框壁开设有位于前框壁和后框壁之间的通孔，侧框壁上还设置有夹片，夹片包含横跨于剃须刀片的抵触压紧段及相对抵触压紧段弯折且沿第 一方向插置于通孔内的插置段，插置段开设有沿第一方向贯穿该插置段末端的分隔槽，分隔槽使插置段分隔出朝通孔之孔壁处撑开的撑开涨紧部，撑开涨紧部沿第一方向拉紧抵触压紧段，且撑开涨紧部还阻挡插置段沿与第一方向相反的方向从通孔处拔出，抵触压紧段抵触并压紧剃须刀片，则剃须刀片被夹紧于抵触压紧段与侧框壁之间。
较佳地，在插置段沿第一方向插置于通孔后，一外界物件沿与第一方向相反的方向呈挤压地插入分隔槽内，则撑开涨紧部被外界物件撑开并涨紧于通孔内。
较佳地，撑开涨紧部包含相互并排布置的第一撑开涨紧部及第二撑开涨紧部，第一撑开涨紧部及第二撑开涨紧部沿远离各自的方向被外界物件所撑开而使该第一撑开涨紧部和第二撑开涨紧部共同涨紧于通孔内。
较佳地，通孔沿横跨剃须刀片的方向布置于该剃须刀片的两侧外，抵触压紧段横跨剃须刀片的两端之末端各延伸出插置段，每一插置段对应一个分隔槽；且通孔远离抵触压紧段的一端沿第一方向呈扩大该通孔之孔径的布置形成大孔段，第一撑开涨紧部及第二撑开涨紧部共同涨紧于大孔段内。
较佳地，插置段沿第一方向先穿过修剪单元后再插置于通孔内，由抵触压紧段与侧框壁夹紧修剪单元。
与现有技术相比，由于本发明的修剪单元沿刀头框的纵向布置并装配于侧框壁上，且修剪单元与后框壁之间围出沿刀头框的纵向布置的收容槽，故当润滑条沿刀头框的纵向布置并插置于收容槽内后，由修剪单元与后框壁共同夹紧收容槽内的润滑条，即是说，润滑条的固定是靠修剪单元与后框壁所实现，从而使得修剪单元除具有修剪功能外，还兼负起固定润滑条的功能，因而有效地将修剪单元利用起来。同时，在现有的刀头中，因后框壁需同时组装润滑条和修剪单元，故后框壁需单独地设置有用于组装修剪单元的结构及用于组装润滑条的结构；而本发明的剃须刀刀头在修剪单元组装于侧框壁上时修剪单元与后框壁之间便形成组装滑润条的收容槽，故相应地简化了本发明的剃须刀刀头的工艺过程，减少本发明的剃须刀刀头对材料的使用量，降低了本发明的剃须刀刀头的制造成本。
附图说明
图1是本发明的剃须刀刀头的立体结构示意图。
图2是沿图1中A-A线剖切后的立体结构示意图。
图3是图1所示的剃须刀刀头的平面结构示意图。
图4是沿图3中B-B线剖切后的平面结构示意图。
图5是沿图3中B-B线剖切后的立体结构示意图。
图6是本发明的剃须刀刀头的刀头框的立体结构示意图。
图7是图6所示的刀头框沿其横向剖切后的平面结构示意图。
图8是本发明的剃须刀刀头的夹片的立体结构示意图。
具体实施方式
为了详细说明本发明的技术内容、构造特征，以下结合实施方式并配合附图作进一步说明。
请参阅图1及图2，本发明的剃须刀刀头100包括刀头框10、剃须刀片20、独立的修剪单元30及润滑条50。可理解的是，独立的修剪单元30是指其与剃须刀片20相互分离的两个部件，两者没有直接连在一起，故两者是单独地组装于刀头框10上的。
如图6所示，刀头框10包含前框壁11、后框壁12及侧框壁13。前框壁11及后框壁12沿刀头框10的纵向布置，即是图6中的刀头框10的左右方向；且前框壁11和后框壁12还呈间隔开的并排布置，使得前框壁11和后框壁12沿刀头框10的横向(即图6中的刀头框10的前后方向)被分隔开以形成有供剃须刀片20安装的空间。而侧框壁13是将前框壁11及后框壁12连成一体，从而形成框形结构以简化刀头框10的结构。较优的是，如图6所示，前框壁11及后框壁12相互平行，侧框壁13为两个且相互平行，从而使前框壁11及后框壁12位于两个侧框壁13之间，实现前框壁11、一个侧框壁13、后框壁12和另一个侧框壁13这四者构成首尾相连的封闭结构，以便于剃须刀片20、修剪单元30及润滑条50的组装。
如图1至图3所示，剃须刀片20位于前框壁11及后框壁12之间，且剃须刀片20沿刀头框10的纵向布置，并使剃须刀片20装配于侧框壁13上，还使剃须刀片20的刀刃21朝向前框壁11，以满足剃须的要求。具体地，前框壁11、后框壁12及侧框壁13围出供收容剃须刀片20的刀片空间16，侧框壁13朝刀片空间16处延伸出弹腿131，较优的是，弹腿131的数量与剃须刀片20的数量相同，即确保每个剃须刀片20被对应的一个弹腿131所承载，而在本实施例中，剃须刀片20的数量为5个，当然，在其它实施例中，剃须刀片20的数量还可以为1个、2个、3个或4个等，故不以此为限。当剃须刀片20沿第一方向移动靠近弹腿131并装配于该弹腿131上，则弹腿131沿第一方向的相反方向阻挡剃须刀片20，以防止剃须刀片20继续沿第一方向移动。其中，为了使得本发明的剃须刀刀头100更好地剃须，故前框壁11上还组装有内嵌于该前框壁11内的导向辊70，该导向辊70沿刀头框10的纵向布置，较优还与润滑条50相平行。可理解的是，第一方向是指图1中刀头框10由上至下的方向，亦即为刀头框10旁边的箭头所指的方向，也可以理解的是，在剃须刀刀头100剃须时，由与皮肤正对的一方指向与皮肤背对的一方即为第一方向。
又如图1至图3所示，修剪单元30沿刀头框10的纵向布置，修剪单元30还装配于侧框壁13上，使组装于侧框壁13上的修剪单元30与后框壁12之间围出沿刀头框10的纵向布置的收容槽40(见图2)。润滑条50沿刀头框10的纵向布置并插置于收容槽40内，由修剪单元30与后框壁12共同夹紧收容槽40内的润滑条50。具体地，在本实施例中，修剪单元30与后框壁12相互并排的布置，而润滑条50的横向截面呈丁字型结构，故使得润滑条50的底端插置于收容槽40内时，此时的润滑条50的顶端的下方还受到后框壁12及修剪单元30的接触支撑，故润滑条50的固定更可靠。更具体地，如图2和图6所示，后框壁12包含沿刀头框10的纵向布置的供围出刀片空间16用的分隔板块121，修剪单元30包含支撑板块31及与支撑板块31连在一起的修剪刀片32。支撑板块31位于剃须时与皮肤正对的一方(即图2中刀头框10的上方)，修剪刀片32位于剃须时与皮肤背对的一方(即图2中刀头框10的下方)；较优的是，如图2所示，修剪刀片32与支撑板块31相互叠设，且修剪刀片32的刀刃是位于支撑 板块31的下方，以防止剃须刀片20在修剪时对修剪单元30造成干扰。支撑板块31及修剪刀片32的端部沿第一方向插置于侧框壁13内，由侧框壁13包围它们的端部，以防止修剪刀片32之端部的刀刃因外露而对使用者造成意外的伤害；为使得支撑板块31及修剪刀片32的端部能快速地组装于侧框壁13内，故侧框壁13沿第一方向开设有插置槽133，以使得支撑板块31及修剪刀片32的端部直接插置于插置槽133内而达到组装于侧框壁13内的目的。
又如图2所示，支撑板块31与分隔板块121相互并排且两者之间围出前述的收容槽40，由支撑板块31与分隔板块121对润滑条50进行可靠的夹紧；较优的是，支撑板块31及分隔板块121相互平行的布置，以确保收容槽40各处的尺寸尽量一致。而在本实施例中，支撑板块31是位于分隔板块121的后方，以使得后框壁12的体积更小。更优的是，后框壁12还包含位于剃须时与皮肤背对一方的连接板块122，即连接板块122位于刀头框10的下方，连接板块122的第一端与分隔板块121连接，较优还与分隔板块121连成一体结构，且两者的横向截面呈L型结构，以便于后框壁12的形成。同时，连接板块122的第二端伸向支撑板块31，而支撑板块31朝分隔板块121处延伸出伸入收容槽40内的承载块33，承载块33承载插入收容槽40内的润滑条50，具体是承载丁字型的润滑条50的顶端之下方的位置处。优选的是，承载块33是由支撑板块31顶端的端部向分隔板块121处弯折延伸出，且承载块33正对侧框壁13的那一部分是弯曲并紧贴在侧框壁13处，以供下面描述到的夹片60穿置而固定修剪单元30的目的，即夹片60是穿置于承载块33正对侧框壁13的那一部分处。可选择的是，承载块33位于连接板块122对应的上方处，从而可靠地固定修剪单元30。为使得修剪废物尽快地被排走，故分隔板块31开设有与刀片空间16贯通的贯通孔1211，贯通孔1211沿刀头框10的纵向排列，从而使收容槽40与刀片空间16为连通的空间。可理解的是，修剪单元30的支撑板块31为硬性材质，最优为金属，但不以此为限。
如图6及图7所示，刀头框10还包含连接于前框壁11及后框壁12之间的中间连接框壁14，中间连接框壁14位于剃须时与皮肤背对的一方，即是图6中的刀头框10的下方；且中间连接框壁14朝剃须时与皮肤背对的一方(即朝刀 头框10的下方)延伸出与手柄配合连接的弧形凸块15，弧形凸块15沿侧框壁13的方向布置；较优的是，侧框壁13与弧形凸块15呈间隔开的并排布置，同时，弧形凸块15开设有圆弧滑槽151，手柄沿圆弧滑槽151滑动而使刀头框10相对手柄枢转，圆弧滑槽151的枢转中心线(即过图7中P所指的点且垂直于图7的纸面的直线)沿刀头框10的纵向布置，且枢转中心线沿弧形凸块15延伸的相反方向偏置，以使刀头框10借助手柄在圆弧滑槽151上滑动而实现刀头框10绕过P点且垂直于图7中平面的直线做旋转，从而使刀头框10上的剃须刀片20更好的贴合皮肤的目的。可理解的是，圆弧滑槽151的枢转中心线即是手柄沿圆弧滑槽151滑动时而使刀头框10相对手柄枢转的直线。
请参阅图1至图5，侧框壁13开设有位于前框壁11和后框壁12之间的通孔132；较优的是，前述的插置槽151是位于通孔132的后方；侧框壁13上还设置有夹片60，由于前面描述到侧框壁13为两个，故每个侧框壁13对应有一个夹片60。其中，夹片60包含横跨于剃须刀片20的抵触压紧段61及相对抵触压紧段61弯折且沿第一方向插置于通孔132内的插置段62，插置段62开设有沿第一方向贯穿该插置段62末端的分隔槽621，分隔槽621使插置段62分隔出朝通孔132之孔壁处撑开的撑开涨紧部63，撑开涨紧部63沿第一方向拉紧抵触压紧段61，且撑开涨紧部63还阻挡插置段62沿与第一方向相反的方向(即图1中的刀头框10由下至上的方向)从通孔132处拔出，抵触压紧段61抵触并压紧剃须刀片20，则剃须刀片20被夹紧于抵触压紧段61与侧框壁13之间，实现对组装于刀头框10上的剃须刀片20进行夹紧的目的。正由于夹片60的抵触压紧段61借助位于通孔132内的撑开涨紧部63朝通孔132的孔壁处撑开而达到对剃须刀片20进行抵触压紧的目的，故使得夹片60于刀头框10上的安装简便快捷。又由于夹片60仅需横跨位于前框壁11及后框壁12之间的剃须刀片20，并使插置段62的撑开涨紧部63朝通孔132的孔壁处撑开即可实现对剃须刀片20的夹紧作用，故缩短了夹片60的长度要求，使得夹片60的用材更小，从而提高了夹片60的利用效率以降低投入成本。更具体地，如下：
如图4所示，在插置段62沿第一方向插置于通孔132后，此时借助一外界物件，并使该外界物件沿与第一方向相反的方向呈挤压地插入分隔槽621内， 此时的撑开涨紧部63被外界物件撑开并涨紧于通孔132内，因此，插置段62更可靠地涨紧于通孔132内，并便于夹片30在刀头框10上的组装，具体原因是：在插置段62未插入通孔132内时，此时插置段62被分隔槽621所分隔出来的撑开涨紧部63因没产生塑性变形而使撑开涨紧部63的尺寸小于通孔132对应的尺寸。当插置段62插入通孔132并使撑开涨紧部63置于通孔132内后，此时再借助外界物件沿与第一方向相反的方向挤进分隔槽621内，使外界物件顶推撑开涨紧部63朝通孔132的孔壁处产生塑性变形(即非弹性变形)而涨紧于通孔132的内壁处，从而实现撑开涨紧部63涨紧于通孔132内的目的。
具体地，如图5及图8所示，撑开涨紧部63包含相互并排布置的第一撑开涨紧部631及第二撑开涨紧部632，第一撑开涨紧部631及第二撑开涨紧部632沿远离各自的方向被外界物件所撑开而使该第一撑开涨紧部631和第二撑开涨紧部632共同涨紧于通孔132内。如图3所示，通孔132沿横跨剃须刀片20的方向布置于该剃须刀片20的两侧外，如图8所示，抵触压紧段61横跨剃须刀片20的两端之末端各延伸出插置段62，每一插置段62对应一个分隔槽621，即通过邻近前框壁11的通孔132和邻近后框壁12的通孔132去把夹片60的两端固定起来，实现夹片60快速组装于刀头框10的目的。又如图4及图5所示，通孔132远离抵触压紧段61的一端沿第一方向呈扩大该通孔132之孔径的布置形成大孔段，第一撑开涨紧部631及第二撑开涨紧部632共同涨紧于大孔段内，从而使得第一撑开涨紧部631及第二撑开涨紧部632更可靠地涨紧于通孔132内。较优的是，通孔132沿着第一方向的截面呈八字型结构，以便于通孔132对撑开涨紧部63的稳固及组装。其中，为使得夹片60能将修剪单元40一起夹紧，故插置段62沿第一方向先穿过修剪单元40后再插置于通孔132内，由抵触压紧段61与侧框壁13夹紧修剪单元40；具体地，插置段62是先穿过修剪单元40的支撑板块31后再插置于通孔132内的，较优的是，如图2所示，插置段62是先穿过修剪单元40中支撑板块31所延伸出的承载块33后再插置于通孔132内的。
与现有技术相比，由于本发明的修剪单元30沿刀头框10的纵向布置并装配于侧框壁13上，且修剪单元30与后框壁12之间围出沿刀头框10的纵向布 置的收容槽40，故当润滑条50沿刀头框10的纵向布置并插置于收容槽40内后，由修剪单元30与后框壁12共同夹紧收容槽40内的润滑条50，即是说，润滑条50的固定是靠修剪单元30与后框壁12所实现，从而使得修剪单元30除具有修剪功能外，还兼负起固定润滑条50的功能，因而有效地将修剪单元30利用起来。同时，在现有的刀头中，因后框壁需同时组装润滑条和修剪单元，故后框壁需单独地设置有用于组装修剪单元的结构及用于组装润滑条的结构；而本发明的剃须刀刀头100在修剪单元30组装于侧框壁13上时修剪单元30与后框壁12之间便形成组装滑润条50的收容槽40，故相应地简化了本发明的剃须刀刀头100的工艺过程，减少本发明的剃须刀刀头100对材料的使用量，降低了本发明的剃须刀刀头100的制造成本。
可理解的是，从图4中得知，插置段62插置于通孔132内是指收容于通孔132，但，该插置段62的末端并没有伸出通孔132外，有效地防止插置段62对使用者的伤害；同时，上述的夹片60的材质较优为铝材质，当然，还可以为其它材质，但，这都是本领域普通技术人员所熟知，故在此不再赘述。
以上所揭露的仅为本发明的较佳实例而已，当然不能以此来限定本发明之权利范围，因此依本发明权利要求所作的等同变化，仍属于本发明所涵盖的范围。

Claims (10)

  1. 一种剃须刀刀头，其特征在于，包括：
    刀头框，所述刀头框包含前框壁、后框壁及侧框壁，所述前框壁及后框壁沿所述刀头框的纵向布置，所述前框壁和后框壁还呈间隔开的并排布置，所述侧框壁将所述前框壁及后框壁连成一体；
    位于所述前框壁及后框壁之间且沿所述刀头框的纵向布置的剃须刀片，所述剃须刀片装配于所述侧框壁上，所述剃须刀片的刀刃朝向所述前框壁；
    独立的修剪单元，所述修剪单元沿所述刀头框的纵向布置，所述修剪单元装配于所述侧框壁上，且所述修剪单元与所述后框壁之间围出沿所述刀头框的纵向布置的收容槽；以及
    润滑条，所述润滑条沿所述刀头框的纵向布置并插置于所述收容槽内，由所述修剪单元与所述后框壁共同夹紧所述收容槽内的润滑条。
  2. 如权利要求1所述的剃须刀刀头，其特征在于，所述刀头框还包含连接于所述前框壁及后框壁之间的中间连接框壁，所述中间连接框壁位于剃须时与皮肤背对的一方，且所述中间连接框壁朝剃须时与皮肤背对的一方延伸出与手柄配合连接的弧形凸块，所述弧形凸块沿所述侧框壁的方向布置，且所述弧形凸块开设有圆弧滑槽，所述手柄沿所述圆弧滑槽滑动而使所述刀头框相对所述手柄枢转，所述圆弧滑槽的枢转中心线沿所述刀头框的纵向布置，且所述枢转中心线沿所述弧形凸块延伸的相反方向偏置。
  3. 如权利要求1所述的剃须刀刀头，其特征在于，所述前框壁、后框壁及侧框壁围出供收容所述剃须刀片的刀片空间，所述侧框壁朝所述刀片空间处延伸出弹腿，所述剃须刀片沿第一方向移动靠近所述弹腿并装配于该弹腿上，则所述弹腿沿第一方向的相反方向阻挡所述剃须刀片。
  4. 如权利要求3所述的剃须刀刀头，其特征在于，所述后框壁包含沿所述刀头框的纵向布置的供围出所述刀片空间用的分隔板块，所述修剪单元包含支撑板块及与所述支撑板块连在一起的修剪刀片，所述支撑板块位于剃须时与皮肤正对的一方，所述修剪刀片位于剃须时与皮肤背对的一方，所述支撑板块及修剪刀片的端部沿第一方向插置于所述侧框壁内，由所述侧框壁包围所述修剪刀片及支撑板块的端部，所述支撑板块与所述分隔板块相互并排且两者之间围出所述收容槽。
  5. 如权利要求4所述的剃须刀刀头，其特征在于，所述分隔板块开设有与所述刀片空间贯通的贯通孔，所述贯通孔沿所述刀头框的纵向排列；所述后框壁还包含位于剃须时与皮肤背对一方的连接板块，所述连接板块的第一端与所述分隔板块连接，所述连接板块的第二端伸向所述支撑板块，所述支撑板块朝所述分隔板块处延伸出伸入所述收容槽内的承载块，所述承载块承载插入所述收容槽内的润滑条。
  6. 如权利要求3所述的剃须刀刀头，其特征在于，所述侧框壁开设有位于所述前框壁和后框壁之间的通孔，所述侧框壁上还设置有夹片，所述夹片包含横跨于所述剃须刀片的抵触压紧段及相对所述抵触压紧段弯折且沿第一方向插置于所述通孔内的插置段，所述插置段开设有沿第一方向贯穿该插置段末端的分隔槽，所述分隔槽使所述插置段分隔出朝所述通孔之孔壁处撑开的撑开涨紧部，所述撑开涨紧部沿第一方向拉紧所述抵触压紧段，且所述撑开涨紧部还阻挡所述插置段沿与第一方向相反的方向从所述通孔处拔出，所述抵触压紧段抵触并压紧所述剃须刀片，则所述剃须刀片被夹紧于所述抵触压紧段与侧框壁之间。
  7. 如权利要求6所述的剃须刀刀头，其特征在于，在所述插置段沿第一方向插置于所述通孔后，一外界物件沿与第一方向相反的方向呈挤压地插入所述分隔槽内，则所述撑开涨紧部被外界物件撑开并涨紧于所述通孔内。
  8. 如权利要求7所述的剃须刀刀头，其特征在于，所述撑开涨紧部包含相互并排布置的第一撑开涨紧部及第二撑开涨紧部，所述第一撑开涨紧部及第二撑开涨紧部沿远离各自的方向被外界物件所撑开而使该第一撑开涨紧部和第二撑开涨紧部共同涨紧于所述通孔内。
  9. 如权利要求7所述的剃须刀刀头，其特征在于，所述通孔沿横跨所述剃须刀片的方向布置于该剃须刀片的两侧外，所述抵触压紧段横跨所述剃须刀片的两端之末端各延伸出所述插置段，每一所述插置段对应一个所述分隔槽；且所述通孔远离所述抵触压紧段的一端沿第一方向呈扩大该通孔之孔径的布置形成大孔段，所述第一撑开涨紧部及第二撑开涨紧部共同涨紧于所述大孔段内。
  10. 如权利要求6所述的剃须刀刀头，其特征在于，所述插置段沿第一方向先穿过所述修剪单元后再插置于所述通孔内，由所述抵触压紧段与所述侧框壁夹紧所述修剪单元。
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US20170173805A1 (en) * 2015-12-22 2017-06-22 Xiangrong Ren Razor head having trimming unit
US10093031B2 (en) * 2015-12-22 2018-10-09 Xiangrong Ren Razor head having a trimming unit
CN112936355A (zh) * 2021-01-28 2021-06-11 温州美葆剃须系统有限公司 剃须刀头

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EP3330050A4 (en) 2019-07-31
US20180147739A1 (en) 2018-05-31
CN107000229A (zh) 2017-08-01
EP3330050B1 (en) 2020-09-02
CN107000229B (zh) 2018-11-30
EP3330050A1 (en) 2018-06-06
US10335968B2 (en) 2019-07-02

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