JP2014124516A - Slit blade block, blade unit, and electric razor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a slit blade block capable of coming close to a net blade, a blade unit having the slit blade block, and an electric razor having the blade unit.SOLUTION: A slit blade block 30 includes: a slit outer blade 40 having a plurality of blade pieces 41; and a comb component 60 having a plurality of combs 72, and being adjacent to the slit outer blade 40 in a depth direction ZB. The slit blade block 30 is adjacent to first net blade 22 in a depth direction ZB. The first net blade 22 is adjacent to the comb component 60 in the depth direction ZB. The comb component 60 is positioned in a tip end direction ZC1 of the first net blade 22 rather than the maximum width portion 22A of the first net blade 22.

Description

  The present invention relates to a slit blade block having a slit outer blade and a comb part, a blade unit having the slit blade block, and an electric shaver having the blade unit.

  FIG. 15 shows an exploded perspective view of a portion of a conventional electric razor 300. The “width direction” indicates a bidirectional direction that is a longitudinal direction in the front view of the electric shaver 300. The “height direction” indicates a bidirectional direction orthogonal to the width direction when the electric razor 300 is viewed from the front. The “depth direction” indicates a bidirectional direction orthogonal to the width direction and the height direction.

  The electric razor 300 includes a slit blade block 310, a net blade 320, and an outer blade case 330. The slit blade block 310 and the net blade 320 are accommodated in the outer blade case 330.

  The slit blade block 310 has a slit outer blade 311 and a comb part 312. The slit blade block 310 has a configuration in which the comb component 312 accommodates the slit outer blade 311. The slit blade block 310 is attached to the outer blade case 330 so as to be movable in the height direction with respect to the outer blade case 330 via the comb component 312.

  The outer blade case 330 has a first housing portion 331 for housing the comb component 312, a second housing portion 332 for housing the net blade 320, and a partition wall 333 that partitions the first housing portion 331 and the second housing portion 332. .

  The partition wall 333 has a long hole 334 whose longitudinal direction is the longitudinal direction. The partition wall 333 engages with a columnar projection (not shown) of the comb part 312 in the long hole 334. The partition wall 333 restricts the movement of the comb component 312 in the height direction by the protrusions coming into contact with the end portion of the elongated hole 334 in the height direction. Patent Document 1 shows an example of a conventional electric shaver.

Special Table 2002-515315

  In the electric razor 300, the partition wall 333 of the outer blade case 330 is located between the comb component 312 and the depth direction of the net blade 320. For this reason, the electric razor 300 requires a space for the partition wall 333 to be interposed between the comb component 312 and the net blade 320 in the depth direction. For this reason, it becomes difficult for the slit blade block 310 to approach the net blade 320.

  The present invention was created based on the above background, and provides a slit blade block that can be brought closer to a net blade, a blade unit having the slit blade block, and an electric razor having the blade unit. With the goal.

  The slit blade block is attached to an outer blade case of a blade unit, and the outer blade case has a structure that allows the net blade of the blade unit and the slit blade block to be mounted side by side, The net blade width, which is the dimension in the arrangement direction of the net blade and the slit blade block in the outer blade case, is different in the height direction of the net blade, and has the largest width portion where the net blade width is the largest, The slit blade block has a slit outer blade and a comb part, and the comb part is formed such that the base end part in the height direction of the comb part is closer to the tip part side of the net blade than the maximum width part. It is characterized by that.

  In the slit blade block, since the comb component and the net blade are adjacent to each other in the arrangement direction of the net blade and the slit blade block in the outer blade case, the comb component and the net blade are closer to each other than the conventional electric shaver 300. It can be arranged in the state of being allowed to.

  In addition, since the comb component is located closer to the tip end side of the net blade than the maximum width portion of the net blade, the comb component and the net blade overlap in the height direction. Thereby, it becomes possible for a comb component and a net blade to approach more closely.

  The slit blade block is attached to an outer blade case of a blade unit, and the outer blade case has a structure that allows the net blade of the blade unit and the slit blade block to be mounted side by side, The net blade width, which is the dimension in the arrangement direction of the net blade and the slit blade block in the outer blade case, is different in the height direction of the net blade, and has the largest width portion where the net blade width is the largest, The slit blade block has a slit outer blade and a comb component, and the comb component has a comb component width which is a dimension in the arrangement direction of the net blade and the slit blade block in the outer blade case. The width of the comb part is different from the tip part in the height direction of the comb part. It is characterized by small at the proximal end of the direction.

  In the slit blade block, since the comb component and the net blade are adjacent to each other in the arrangement direction of the net blade and the slit blade block in the outer blade case, the comb component and the net blade are closer to each other than the conventional electric shaver 300. It can be arranged in the state of being allowed to.

  In addition, since the comb part width of the comb part is smaller at the base end part than at the tip part, the slit blade block and the net blade can be arranged in a state in which the comb part is further brought closer to the net blade in the arrangement direction.

  In this slit blade block, the comb part has a comb support wall having a plurality of combs, the comb support wall has an inclined part, and the inclined part is the height in the height direction of the comb part. It is formed on the base end direction side from a plurality of combs, and the comb part width, which is the dimension in the arrangement direction on the comb support wall, decreases from the comb toward the base end direction side in the height direction of the comb part. Is preferred.

The main blade unit has the slit blade block.
-This electric razor has the said blade unit, It is characterized by the above-mentioned.

  The present invention can bring the slit blade block closer to the net blade.

The disassembled perspective view of the electric razor of embodiment. The disassembled perspective view of the slit blade block of embodiment. The top view of the comb component of embodiment. It is sectional drawing of the comb component of embodiment, (a) is sectional drawing of the Z3-Z3 line | wire of FIG. 3, (b) is sectional drawing of the Z4-Z4 line | wire of FIG. The front view of the slit blade block of embodiment. The top view of the slit blade block of embodiment. It is sectional drawing of the state with which the slit outer blade, comb component, and outer blade coupling of embodiment were combined, (a) is sectional drawing of the Z6A-Z6A line | wire of FIG. 6, (b) is a 1st nail | claw piece and 1st nail | claw piece. Sectional drawing which shows the enlarged structure of 1 accommodating part, (c) is sectional drawing which shows the enlarged structure of a 2nd nail | claw piece and a 2nd accommodating part. It is sectional drawing of the state with which the slit outer blade, comb component, and outer blade coupling of embodiment were combined, and sectional drawing of the Z6B-Z6B line | wire of FIG. The typical sectional view showing the positional relationship of the slit outer blade of the embodiment, the comb component, and the 1st net blade. The typical sectional view showing the positional relationship of the slit outer blade of a comparative example, a comb component, and the 1st net blade. Typical sectional drawing which shows the positional relationship of the slit outer blade, comb components, and 1st net blade of other embodiment. Typical sectional drawing which shows the positional relationship of the slit outer blade, comb components, and 1st net blade of other embodiment. Typical sectional drawing which shows the positional relationship of the slit outer blade, comb components, and 1st net blade of other embodiment. Typical sectional drawing which shows the positional relationship of the slit outer blade, comb components, and 1st net blade of other embodiment. The disassembled perspective view of a part of conventional electric razor.

The configuration of the electric razor 1 will be described with reference to FIG.
The electric razor 1 has a razor body 10 and a blade unit 20.
The razor body 10 includes a grip part 11, a head part 12, a drive part 13, a power switch 14, and a head cover 15. The head portion 12 is coupled to the grip portion 11. The drive unit 13 is accommodated in the grip unit 11 and the head unit 12. A part of the drive unit 13 protrudes from the head unit 12 to the outside. The drive unit 13 reciprocates the blade unit 20. The power switch 14 is located in the grip part 11. The head cover 15 is attached to the head unit 12.

  The blade unit 20 is covered with a head cover 15 at the outer peripheral portion. The blade unit 20 includes two first blade blocks 21, two second blade blocks 24, a slit blade block 30, and an outer blade case 27. The two first blade blocks 21 are located on both sides of the slit blade block 30. The two second blade blocks 24 are located on the opposite side of the slit blade block 30 with respect to the first blade block 21. In the outer blade case 27, the first blade blocks 21, the second blade blocks 24, and the slit blade block 30 are attached. The outer blade case 27 has a structure in which each first blade block 21, each second blade block 24, and the slit blade block 30 can be mounted side by side. The outer blade case 27 is attached to the head unit 12.

  The first blade block 21 has a first net blade 22 and a first inner blade 23. The first inner blade 23 is accommodated in the first net blade 22. The first inner blade 23 reciprocates with respect to the first net blade 22 by the drive unit 13.

  The second blade block 24 has a second net blade 25 and a second inner blade 26. The second inner blade 26 is accommodated in the second net blade 25. The second inner blade 26 reciprocates with respect to the second net blade 25 by the drive unit 13. Thus, the electric razor 1 has a form of a reciprocating electric razor in which the inner blades 23 and 26 are reciprocated with respect to the net blades 22 and 25.

The function of the blade unit 20 will be described.
The 1st blade block 21 has the function to cut out the wrinkle of the state which fell mainly. The second blade block 24 mainly has a function of cutting away the heel in a short standing state. The slit blade block 30 mainly has a function of cutting an elongated fold.

With reference to FIG. 2, the detailed structure of the slit blade block 30 is demonstrated.
The directions related to the slit blade block 30 are “width direction ZA”, “inner width direction ZA1”, “outer width direction ZA2”, “depth direction ZB”, “depth inner direction ZB1”, “depth outer direction ZB2”, “high”. The “direction ZC”, the “distal direction ZC1”, and the “proximal direction ZC2” are defined as follows. The depth direction ZB corresponds to “the arrangement direction of the net blade and the slit blade block in the outer blade case”.

  “Width direction ZA” indicates a bidirectional direction in the longitudinal direction in the front view of the slit blade block 30. The “inner width direction ZA1” indicates a direction approaching the center of the width direction ZA in the width direction ZA. The “outer width direction ZA2” indicates a direction away from the center of the width direction ZA in the width direction ZA.

  “Height direction ZC” indicates a bidirectional direction orthogonal to the width direction ZA in the front view of the slit blade block 30. The “tip direction ZC1” indicates a direction from the razor body 10 side to the blade unit 20 side (both see FIG. 1) in the height direction ZC. “Base end direction ZC2” indicates a direction from the blade unit 20 side toward the razor body 10 side in the height direction ZC.

  The “depth direction ZB” indicates a bidirectional direction orthogonal to the width direction ZA and the height direction ZC. The “in-depth direction ZB1” indicates a direction approaching the center of the depth direction ZB in the depth direction ZB. The “outside depth direction ZB2” indicates a direction away from the center of the depth direction ZB in the depth direction ZB.

  The slit blade block 30 includes a slit outer blade 40, a comb component 60, two outer blade joints 90, a slit inner blade 100, an inner blade joint 110, and two coil springs 31. The slit blade block 30 is connected to the drive unit 13 (see FIG. 1) at the inner blade joint 110.

  The slit outer blade 40 is made of a metal material. The slit outer blade 40 can be formed by, for example, pressing. The slit outer blade 40 has a curved shape that gently curves in the front end direction ZC1 as it goes to the center position in the width direction ZA in a front view. The slit outer blade 40 has a U-shape that opens in the proximal direction ZC2 in a side view. The slit outer blade 40 includes a plurality of blade pieces 41, a plurality of slit holes 42, two connecting portions 43, and two slit main body portions 50. The slit outer blade 40 has a configuration in which a plurality of blade pieces 41, two connecting portions 43, and two slit body portions 50 are integrally formed of the same material.

  The comb component 60 is formed separately from the slit outer blade 40. The comb component 60 is formed of a resin material. The comb component 60 can be formed by, for example, injection molding. The comb component 60 has a frame shape in plan view. The comb component 60 has a curved shape that gently curves in the front end direction ZC1 toward the center position in the width direction ZA in a front view. The comb component 60 has two comb support walls 70 and two comb end walls 80. The comb component 60 has a configuration in which two comb support walls 70 and two comb end walls 80 are integrally formed of the same material.

  The outer blade joint 90 is formed of a resin material. The outer blade joint 90 can be formed by, for example, injection molding. The outer blade joints 90 are separated from each other in the width direction ZA. The outer blade joint 90 includes a joint main body 91, a placement portion 92, a projection portion 93, a receiving hole 94, four first welding portions 95, four second welding portions 96, and a spring attachment portion 97. In the outer blade joint 90, a joint body 91, a mounting portion 92, a projection portion 93, four first welding portions 95, four second welding portions 96, and a spring mounting portion 97 are integrally formed of the same material. Have a configuration.

  The slit inner blade 100 is made of a metal material. The slit inner blade 100 can be formed by, for example, pressing. The slit inner blade 100 includes two slit main bodies 101, a plurality of blade pieces 102, and a plurality of slit holes 103. The slit inner blade 100 has a configuration in which two slit body portions 101 and a plurality of blade pieces 102 are integrally formed of the same material.

  Each slit main body 101 has two positioning portions 104 and two welding fixing portions 105. One slit main body 101 and the other slit main body 101 are connected to each other by a plurality of blade pieces 102. The positioning portion 104 has a concave shape that opens in the proximal direction ZC2. The positioning part 104 is located in the outer width direction ZA2 of the slit body 101. The welding fixing portion 105 has a pair of arm portions that are separated from each other in the width direction ZA. The arm portion extends in the proximal direction ZC2. The welding fixing portion 105 is located in the slit body portion 101 in a portion in the inner width direction ZA <b> 1 than the positioning portion 104.

  The blade piece 102 has a U-shape that opens in the proximal direction ZC2. The plurality of blade pieces 102 are located via gaps in the width direction ZA. The slit hole 103 is formed as a space between the blade pieces 102 adjacent in the width direction ZA.

  The inner blade joint 110 is made of a resin material. The inner blade joint 110 can be formed by, for example, injection molding. The inner blade joint 110 includes a joint body 111, a drive fitting portion 112, four positioning portions 113, four welding portions 114, and two spring mounting portions 115. The inner blade joint 110 has a structure in which a joint body 111, a drive fitting portion 112, four positioning portions 113, four welding portions 114, and two spring mounting portions 115 are integrally formed of the same material. Have.

  The drive fitting portion 112 has a concave shape in which the joint body 111 is recessed in the distal direction ZC1 at the center position in the width direction ZA of the joint body 111. The drive fitting portion 112 is fitted with the drive portion 13 (see FIG. 1). The positioning portion 113 protrudes in the depth outward direction ZB2 at the portion of the joint body 111 in the outer width direction ZA2. The welded portion 114 protrudes in the depth outward direction ZB2 at the inner width direction ZA1 of the joint body 111. The spring mounting portion 115 protrudes in the proximal direction ZC2 at the end of the joint body 111 in the outer width direction ZA2.

With reference to FIG. 2, the detailed structure of the slit outer blade 40 is demonstrated.
The blade piece 41 has a U shape opening in the proximal direction ZC2. The plurality of blade pieces 41 are arranged between the two connecting portions 43 in the width direction ZA. The several blade piece 41 is located through the space | gap in the width direction ZA.

  The slit hole 42 is formed as a gap between the blade pieces 41 adjacent in the width direction ZA. The slit hole 42 has a space that penetrates the slit outer blade 40 in the depth direction ZB. The slit hole 42 has a function of introducing wrinkles (hairs) into the slit outer blade 40.

  The connecting portion 43 has a flat plate shape in plan view. The connecting portion 43 is gently inclined in the front end direction ZC1 as it goes in the inner width direction ZA1. The connecting portions 43 are located at both ends of the slit outer blade 40 in the width direction ZA.

  Each slit main body 50 is formed by a wall portion parallel to the width direction ZA and the height direction ZC. Each slit main body 50 includes four first claw pieces 51, one second claw piece 52, four fitting parts 53, two first weld fixing parts 54, and two second welds. A fixing portion 55 is provided. One slit main body portion 50 and the other slit main body portion 50 are connected to each other by a plurality of blade pieces 41 and two connecting portions 43.

  The first welding fixing part 54 is located at the end of the slit body part 50 in the width direction ZA. The second weld fixing part 55 is located in the slit main body part 50 in a portion in the inner width direction ZA1 than the first weld fixing part 54.

  The 1st nail | claw piece 51 has a taper shape in which the dimension of the width direction ZA becomes small as it goes to the base end direction ZC2. The end of the first claw piece 51 in the proximal direction ZC2 has a curved surface shape when viewed from the front. The first claw pieces 51 are separated from each other in the width direction ZA. The two first claw pieces 51 in the outer width direction ZA2 are located in the slit main body portion 50 between the first welding fixing portion 54 and the second welding fixing portion 55 in the width direction ZA. The two first claw pieces 51 in the inner width direction ZA <b> 1 are located in the inner width direction ZA <b> 1 of the slit main body portion 50 than the second welding fixing portion 55.

  The second claw piece 52 has a tapered shape in which the dimension in the width direction ZA becomes smaller toward the proximal direction ZC2. The end of the second claw piece 52 in the proximal direction ZC2 has a curved surface shape when viewed from the front. The second claw piece 52 is located at the central portion of the slit body 50 in the width direction ZA. The dimension of the second claw piece 52 in the height direction ZC is smaller than the dimension of the first claw piece 51 in the height direction ZC.

  The fitting parts 53 are separated from each other in the width direction ZA. The two fitting portions 53 in the outer width direction ZA2 are adjacent to the outer width direction ZA2 of the second welding fixing portion 55. The two fitting portions 53 in the inner width direction ZA1 are located in the slit main body portion 50 at a portion between the first claw piece 51 and the second claw piece 52 in the inner width direction ZA1 in the width direction ZA. The fitting portion 53 has a through hole 53A that penetrates the slit main body portion 50 in the depth direction ZB.

A detailed configuration of the outer blade joint 90 will be described with reference to FIG.
The mounting portion 92 has a flat plate shape parallel to the width direction ZA and the depth direction ZB. The mounting portion 92 has a T shape in plan view. The mounting portion 92 is located at the end of the joint body 91 in the outer width direction ZA2 and at the end of the joint body 91 in the distal direction ZC1. The mounting portion 92 has an outer portion 92A and an inner portion 92B. The outer portion 92A is formed continuously from the inner portion 92B in the outer width direction ZA2. The surface on the tip direction ZC1 side of the outer portion 92A and the surface on the tip direction ZC1 side of the inner portion 92B are formed to be flush with each other. The dimension of the outer part 92A in the depth direction ZB is larger than the dimension of the inner part 92B in the depth direction ZB.

  The protrusion 93 has a rectangular shape having a dimension in the depth direction ZB larger than that in the width direction ZA in plan view. The protrusion 93 protrudes from the outer portion 92A of the placement portion 92 in the distal direction ZC1.

  The accommodation hole 94 is formed in the inner portion 92 </ b> B of the placement portion 92. The accommodation hole 94 is adjacent to the protrusion 93 in the width direction ZA. The accommodation hole 94 has a shape that is recessed in the proximal direction ZC2 from the surface on the distal direction ZC1 side of the inward portion 92B.

  The first welded portion 95 has a cylindrical shape. The first welded portion 95 is located at the portion of the joint body 91 in the outer width direction ZA2. The first welded portion 95 protrudes from the surface in the depth direction ZB of the joint body 91 in the outer depth direction ZB2.

  The second welded part 96 has a cylindrical shape. The second welded part 96 is located at the end of the joint body 91 in the inner width direction ZA1. The second welded portion 96 protrudes from the surface in the depth direction ZB of the joint main body 91 in the outer depth direction ZB2.

  The spring mounting portion 97 is located in a portion between the first welding portion 95 and the second welding portion 96 in the width direction ZA in the joint main body 91. The spring mounting portion 97 has a substantially conical protrusion. The protrusion protrudes from the joint body 91 in the distal direction ZC1.

The detailed structure of the comb component 60 is demonstrated with reference to FIGS.
As shown in FIG. 3, the comb component 60 has a distance D1 connecting an end portion in the width direction ZA of the comb support wall 70 in the depth direction ZB, and a center portion in the width direction ZA of the two comb support walls 70 in the depth direction. It has a shape larger than the distance D2 connected to ZB.

  Each comb support wall 70 includes a support wall main body 71, a plurality of combs 72, a plurality of slit holes 73, four first housing portions 74, one second housing portion 75, four positioning portions 76, and 2. Each step 77 is provided. Each comb support wall 70 is integrally formed of a support wall main body 71, a plurality of combs 72, four first accommodating portions 74, one second accommodating portion 75, and four positioning portions 76 with the same material. It has the structure made.

  As shown in FIG. 4A, the support wall main body 71 is parallel to the width direction ZA and the depth direction ZB. The support wall main body 71 has a curved shape that gently curves in the distal direction ZC1 toward the center of the width direction ZA.

  As shown in FIG. 4B, the support wall main body 71 of the comb support wall 70 has a distal end opposing wall portion 71A and a proximal end opposing wall portion 71B. The support wall main body 71 has a configuration in which a front end facing wall portion 71A and a base end facing wall portion 71B are integrally formed of the same material.

The tip-facing wall portion 71A forms the tip portion of the comb support wall 70 in the height direction ZC. A plurality of combs 72 are continuous in the tip-facing wall portion 71A at a portion on the tip direction ZC1 side.
The proximal end facing wall portion 71B is located in the proximal direction ZC2 with respect to the distal end facing wall portion 71A. The proximal end facing wall portion 71 </ b> B forms a proximal end portion in the height direction ZC of the comb support wall 70. The proximal facing wall portion 71B is continuous with the distal facing wall portion 71A. The proximal end facing wall portion 71 </ b> B has an inclined portion 78. The inclined portion 78 has a shape in which the surface on the depth outward direction ZB2 side of the base end facing wall portion 71B is inclined in the depth inward direction ZB1 toward the base end direction ZC2.

  The comb part width TC1, which is the thickness dimension in the depth direction ZB of the base end facing wall portion 71B, becomes smaller toward the base end direction ZC2. The comb part width TC1 of the base end facing wall part 71B is smaller than the comb part width TC2 which is the thickness dimension in the depth direction ZB of the front end facing wall part 71A.

  The plurality of combs 72 constitutes a comb shape (see FIG. 4A). The combs 72 are arranged in a state of being separated from each other via a gap in the width direction ZA (see FIG. 4A). The comb 72 has a support portion 72A and a protrusion 72B. The comb 72 has a configuration in which a support portion 72A and a protrusion 72B are integrally formed of the same material. The support portion 72A is formed in a column shape extending in the height direction ZC. The protrusion 72 </ b> B has a curved surface shape in a side view of the comb 72 from the width direction ZA. The protrusion 72B is continuous from the end in the distal direction ZC1 of the support 72A. The protrusion 72B protrudes from the support portion 72A in the outward depth direction ZB2.

  As shown in FIG. 4A, the slit hole 73 is formed as a gap between adjacent combs 72 in the width direction ZA. The slit hole 73 has a function of introducing wrinkles (hair) into the slit hole 42 (both see FIG. 2) of the slit outer blade 40.

  The first accommodating portions 74 are separated from each other in the width direction ZA. The first accommodating portion 74 in the outer width direction ZA2 is located at the end portion in the width direction ZA of the plurality of combs 72. The first accommodating portion 74 protrudes from the support wall main body 71 in the depth inward direction ZB1. The 1st accommodating part 74 has 74 A of through-holes which penetrate the 1st accommodating part 74 in the height direction ZC.

  The second accommodating portion 75 is located in the center portion of the support wall main body 71 in the width direction ZA. The second accommodating portion 75 protrudes from the support wall main body 71 in the depth inward direction ZB1. The 2nd accommodating part 75 has 75 A of through-holes which penetrate the 2nd accommodating part 75 in the height direction ZC. The dimension of the second accommodating part 75 in the width direction ZA is larger than the dimension of the first accommodating part 74 in the width direction ZA.

  The positioning portions 76 are separated from each other in the width direction ZA. The positioning portion 76 in the outer width direction ZA2 is located in a portion of the support wall body 71 adjacent to the inner width direction ZA1 side with respect to the first housing portion 74 in the outer width direction ZA2. The positioning portion 76 in the inner width direction ZA1 is located in the support wall main body 71 between the first housing portion 74 and the second housing portion 75 in the width direction ZA in the inner width direction ZA1. The positioning portion 76 is formed as a protruding piece protruding from the support wall main body 71 in the depth inward direction ZB1.

  The stepped portions 77 are formed at both ends of the support wall main body 71 in the width direction ZA. The step 77 is adjacent to the comb end wall 80. The stepped portion 77 has a shape in which the surface on the depth inward direction ZB1 side of the support wall main body 71 is recessed in the depth outward direction ZB2 (see FIG. 3).

  The comb end wall 80 includes an end wall main body 81, a storage portion 82, and a protrusion 83. The comb end wall 80 has a configuration in which an end wall body 81 and a protrusion 83 are integrally formed of the same material. The comb end wall 80 is connected to the end portion in the width direction ZA of the support wall main body 71 at the end portion in the depth direction ZB of the end wall main body 81.

  The end wall body 81 has a curved shape that curves in the proximal direction ZC2 as it goes in the outer width direction ZA2 in a front view. The end portion of the end wall main body 81 in the front end direction ZC1 is located in the front end direction ZC1 more than the end portion in the front end direction of the front end direction ZC1 than the support wall main body 71.

The accommodating portion 82 has a concave shape that is recessed from the end surface of the end wall body 81 in the proximal direction ZC2 in the distal direction ZC1.
The protrusion 83 has a flat plate shape parallel to the width direction ZA and the depth direction ZB. The protrusion 83 has a quadrangular shape in plan view (see FIG. 3). The protrusion 83 protrudes from the end surface of the end wall body 81 in the inner width direction ZA1 in the inner width direction ZA1. The protrusion 83 faces the step 77 of the comb support wall 70 in the depth direction ZB (see FIG. 3). In the projection 83, a gate for pouring a molding material into the mold is located in an injection mold.

The structure of the slit blade block 30 after assembly will be described with reference to FIG. 2 and FIGS.
As shown in FIG. 5, the slit blade block 30 has a configuration in which the slit outer blade 40, the comb component 60, the outer blade joint 90, the slit inner blade 100, the inner blade joint 110, and the coil spring 31 are coupled to each other. .

  The weld fixing portions 54 and 55 of the slit outer blade 40 and the weld portions 95 and 96 of the outer blade joint 90 are end surfaces in the base end direction ZC2 of the support wall body 71 of the comb support wall 70 (hereinafter referred to as “base end surface 71C”). Projecting in the proximal direction ZC2. Further, the welding fixing portion 105 of the slit inner blade 100 and the welding portion 114 of the inner blade joint 110 protrude from the proximal end surface 71C of the support wall main body 71 in the proximal direction ZC2.

  The outer blade joint 90 is located in the first welding fixing portion 54 of the slit outer blade 40 in the first welding portion 95. The outer blade joint 90 is fixed to the slit outer blade 40 by welding the first welding portion 95 to the first welding fixing portion 54 by heat sealing. The outer blade joint 90 is located in the second welding fixing portion 55 of the slit outer blade 40 in the second welding portion 96. The outer blade joint 90 is fixed to the slit outer blade 40 by the second welding portion 96 being welded to the second welding fixing portion 55 by heat sealing.

  The inner blade joint 110 is accommodated between the two slit main body portions 101 of the slit inner blade 100 in the depth direction ZB. The position of the inner blade joint 110 with respect to the slit inner blade 100 is determined by the positioning portion 113 (see FIG. 2) coming into contact with the positioning portion 104 (see FIG. 2) of the slit inner blade 100. In the inner blade joint 110, the slit inner blade 100 and the inner blade joint 110 are fixed to each other by fixing the welding portion 114 to the welding fixing portion 105 by heat sealing. The slit inner blade 100 is accommodated in the depth inward direction ZB1 of the slit outer blade 40.

  The slit blade block 30 has a configuration in which an inner blade joint 110 and an outer blade joint 90 are connected to each other by a coil spring 31. The end portion of the coil spring 31 in the distal direction ZC1 is attached to the spring attachment portion 115 of the inner blade joint 110. The end portion of the coil spring 31 in the proximal direction ZC2 is attached to the spring attachment portion 97 of the outer blade joint 90. The coil spring 31 is maintained in a compressed state by the inner blade joint 110 and the outer blade joint 90.

  As shown in FIG. 6, the comb component 60 surrounds the slit outer blade 40. The comb 72 is adjacent to the blade piece 41 of the slit outer blade 40 in the depth direction ZB. The arrangement pitch of the combs 72 is equal to the arrangement pitch of the blade pieces 41. For this reason, the slit hole 73 of the comb component 60 communicates with the slit hole 42 of the slit outer blade 40.

  The comb support wall 70 is opposed to the slit body 50 (see FIG. 2) of the slit outer blade 40 in the depth direction ZB over the entire width direction ZA. The comb support wall 70 is opposed to the surface of the slit main body 50 of the slit outer blade 40 in the depth outward direction ZB2 at the stepped portion 77 through a gap.

  As shown in FIG. 7A, the slit outer blade 40 is placed on the end face in the distal direction ZC <b> 1 of the protrusion 83 of the comb end wall 80 in the connecting portion 43. The comb component 60 is in contact with the surface in the distal direction ZC1 of the mounting portion 92 of the outer blade joint 90 at the end surface in the proximal direction ZC2 of the end wall body 81 of the comb end wall 80. The comb component 60 is in contact with the surface of the mounting portion 92 in the distal direction ZC1 at the end surface in the proximal direction ZC2 of the protrusion 83 of the comb end wall 80. At this time, the accommodation hole 94 accommodates a cut portion (not shown) from the gate when the mold formed on the end face in the proximal direction ZC2 of the protrusion 83 is released.

  The end surface in the width direction ZA of the connecting portion 43 of the slit outer blade 40 is opposed to the inner surface in the width direction ZA of the comb end wall 80 of the comb component 60 with a small gap in the width direction ZA. The comb component 60 accommodates the protruding portion 93 of the outer blade joint 90 in the accommodating portion 82.

  Thus, the comb component 60 is sandwiched in the height direction ZC and the width direction ZA by the slit outer blade 40 and the outer blade joint 90 at the protrusion 83. For this reason, the comb component 60 is restricted from moving in the height direction ZC and the width direction ZA with respect to the slit outer blade 40 and the outer blade joint 90.

  As shown in FIG. 7B, the slit outer blade 40 is inserted into the through hole 74 </ b> A of the first housing portion 74 in the first claw piece 51. As shown in FIG. 7C, the slit outer blade 40 is inserted into the through hole 75 </ b> A of the second housing portion 75 in the second claw piece 52. As shown in FIG. 7A, the slit outer blade 40 is fitted to the positioning portion 76 in the fitting portion 53.

The positional relationship between the blade piece 41 and the comb 72 will be described with reference to FIG.
The comb 72 is positioned in the distal direction ZC1 more than the end surface in the proximal direction ZC2 of the blade 41 (hereinafter referred to as “proximal end surface 41B”) on the end surface in the distal direction ZC1 of the protrusion 72B (hereinafter referred to as “distal surface 72C”). ing. The comb 72 is located in the base end direction ZC2 in the front end surface 72C from the end surface in the front end direction ZC1 of the blade piece 41 (hereinafter referred to as “front end surface 41A”).

  The comb 72 is located in the base end direction ZC2 from the base end face 41B of the blade piece 41 at the end in the outward depth direction ZB2 of the protrusion 72B (hereinafter, “top portion 72D”). The dimension L1 in the height direction ZC from the distal end surface 72C of the comb 72 to the top part 72D of the protrusion 72B is smaller than the thickness dimension L2 of the blade piece 41.

The configuration of the first net blade 22 will be described with reference to FIG.
The first net blade 22 has a U-shape that opens in the proximal direction ZC2 in a side view in the width direction ZA. The first net blade 22 has a curved shape in which the dimension in the depth direction ZB (hereinafter, “net blade width DN”) increases from the end in the distal direction ZC1 toward the proximal direction ZC2. The first net blade 22 has a maximum width portion 22A and a tip portion 22B. The first net blade 22 has a configuration in which the maximum width portion 22A and the tip portion 22B are integrally formed of the same material. The first net blade 22 has the maximum net blade width DN at the maximum width portion 22A.

With reference to FIG. 9, the positional relationship of the slit outer blade 40, the comb component 60, and the 1st net blade 22 is demonstrated.
The base end surface 71 </ b> C of the support wall main body 71 of the comb component 60 is located on the distal direction ZC <b> 1 side with respect to the maximum width portion 22 </ b> A of the first net blade 22. The dimension in the height direction ZC of the support wall main body 71 is a portion including the claw pieces 51 and 52 of the slit main body portion 50 of the slit outer blade 40, the fitting portion 53, and the welding fixing portions 54 and 55 (see FIG. 7). ) In the height direction ZC. The base end surface 71C corresponds to “a base end portion in the height direction of the comb part”.

  The first net blade 22 is adjacent to the comb component 60 in the depth direction ZB. The first net blade 22 is adjacent to the slit outer blade 40 and the depth direction ZB in the maximum width portion 22A. Specifically, the maximum width portion 22A of the first net blade 22 is adjacent to the slit outer blade 40 with a small gap in the depth direction ZB. The first net blade 22 is adjacent to the comb component 60 in the depth direction ZB at the tip 22B. In detail, the front-end | tip part 22B of the 1st net blade 22 adjoins the comb component 60 via the micro gap | interval in the depth direction ZB.

  In the first net blade 22, a portion on the depth inward direction ZB1 side in the maximum width portion 22A overlaps with the base end facing wall portion 71B (inclined portion 78) of the comb support wall 70 in the height direction ZC. In the first net blade 22, a portion on the side in the depth inward direction ZB1 of the front end portion 22B overlaps with the front end facing wall portion 71A of the comb support wall 70 in the height direction ZC.

The operation of the electric shaver 1 will be described with reference to FIGS. 7, 9, and 10.
First, the configuration of the virtual electric razor 200 will be described with reference to FIG.
The virtual electric razor 200 has a slit blade block 210 and a first net blade 220. The slit blade block 210 has a slit outer blade 211 and a comb component 212. The dimension of the comb part 212 in the height direction ZC is larger than the dimension of the comb part 60 in the height direction ZC. The first net blade 220 has a tip portion 221 and a maximum width portion 222. The comb component 212 is located between the slit outer blade 211 and the depth direction ZB of the maximum width portion 222 of the first net blade 220. The slit outer blade 211 has the same shape as the slit outer blade 40. The first net blade 220 has the same shape as the first net blade 22.

  For this reason, the virtual electric razor 200 needs to have at least a dimension for the comb component 212 to be arranged in the gap in the depth direction ZB of the slit outer blade 211 and the maximum width portion 222 (hereinafter, “gap GC”).

  In contrast, in the electric razor 1 of the present embodiment, the comb component 60 is not positioned between the slit outer blade 40 and the depth direction ZB of the maximum width portion 22A of the first net blade 22. For this reason, the gap (hereinafter, “gap GE”) in the depth direction ZB of the slit outer blade 40 and the maximum width portion 22A is smaller than the gap GC of the virtual electric shaver 200. For this reason, the maximum dimension DE in the depth direction ZB of the two first net blades 22 is smaller than the maximum dimension DC in the depth direction ZB of the two first net blades 220 of the virtual electric razor 200. Therefore, the electric razor 1 can be reduced in size in the depth direction ZB.

  Moreover, the comb component 60 has the inclination part 78 in the base end opposing wall part 71B. For this reason, as shown in FIG. 9B, when the slit blade block 30 floats in the proximal direction ZC2 when the electric razor 1 is used, interference between the comb component 60 and the first net blade 22 is avoided. .

  Furthermore, the first net blade 22 can be brought closer to the slit outer blade 40 by reducing the comb part widths TC1 and TC2 (see FIG. 4B). Thereby, the electric shaver 1 can be reduced in size in the depth direction ZB. For this reason, it is preferable that the comb component widths TC1 and TC2 are small.

  Further, as shown in FIG. 7, the dimension in the height direction ZC of the comb part 60 is smaller than the dimension in the height direction ZC of each welding fixing portion 54, 55 of the slit outer blade 40. For this reason, each welding fixing | fixed part 54 and 55 of the slit outer blade 40 and each welding part 95 and 96 of the outer blade coupling 90 can be made to protrude from the comb component 60 to the base end direction ZC2. As a result, the weld fixing portions 54 and 55 and the weld portions 95 and 96 are exposed from the outside of the slit blade block 30. That is, the assembly operator can visually recognize the welding fixing portions 54 and 55 and the welding portions 95 and 96 from the outside of the slit blade block 30. Therefore, the heat sealing process of each welding fixing | fixed part 54 and 55 and each welding part 95 and 96 is performed easily.

  By the way, by reducing the dimension of the comb part 60 in the height direction ZC and reducing the comb part widths TC1 and TC2, the rigidity of the comb part 60 is lowered. For this reason, there is a possibility that the deformation amount of the comb support wall 70 is increased when an external force is applied to the comb support wall 70 through the comb 72 when the electric razor 1 is used.

  On the other hand, the electric shaver 1 of this embodiment has the coupling structure of the following comb components 60 and the slit outer blade 40. That is, the first claw piece 51 of the slit outer blade 40 is accommodated in the first accommodation portion 74 of the comb component 60. The second claw piece 52 of the slit outer blade 40 is accommodated in the second accommodating portion 75 of the comb component 60. The fitting portion 53 of the slit outer blade 40 is fitted to the positioning portion 76 of the comb component 60.

  With these coupling configurations, when the comb support wall 70 of the comb component 60 is deformed in the depth outward direction ZB2 by an external force, the first claw piece 51 and the first accommodating portion 74 come into contact with each other. Moreover, the 2nd nail | claw piece 52 and the 2nd accommodating part 75 contact. Thereby, it is suppressed that the comb support wall 70 deform | transforms into the depth outward direction ZB2. Therefore, the slit blade block 30 achieves both the downsizing of the comb part 60 in the height direction ZC and the thinning of the support wall main body 71 in the depth direction ZB and the suppression of the deformation of the comb part 60 in the outward depth direction ZB2. be able to.

  In addition, the slit blade block 30 has a configuration in which a plurality of first claw pieces 51 are formed apart in the width direction ZA, and a configuration in which a plurality of first accommodating portions 74 are formed apart in the width direction ZA. Have. For this reason, it is suppressed that the comb support wall 70 deform | transforms into the depth outward direction ZB2 over the wide range of the width direction ZA of the comb support wall 70. FIG.

  Further, when a force that deforms the comb support wall 70 of the comb component 60 in the proximal direction ZC <b> 2 due to an external force acts on the comb support wall 70, the fitting portion 53 contacts the comb support wall 70. Thereby, it is suppressed that the comb support wall 70 deform | transforms into the base end direction ZC2. Therefore, the slit blade block 30 achieves both the downsizing of the comb part 60 in the height direction ZC and the thinning of the support wall body 71 in the depth direction ZB and the suppression of the deformation of the comb part 60 in the proximal direction ZC2. be able to.

  In addition, the slit blade block 30 has a configuration in which a plurality of fitting portions 53 are formed apart in the width direction ZA, and a configuration in which a plurality of positioning portions 76 are formed apart in the width direction ZA. For this reason, it is suppressed that the comb support wall 70 deform | transforms into the base end direction ZC2 over the wide range of the width direction ZA of the comb support wall 70. FIG.

The electric razor 1 of this embodiment has the following effects.
(1) In the electric razor 1, the comb component 60 and the first net blade 22 are adjacent to each other in the depth direction ZB. According to this structure, compared with the conventional electric shaver 300, the comb component 60 and the 1st net blade 22 can be arrange | positioned in the approached state. For this reason, the electric razor 1 can be reduced in size in the depth direction ZB.

  In addition, the comb component 60 is located closer to the distal end side of the first net blade 22 than the maximum width portion 22 </ b> A of the first net blade 22. According to this configuration, the comb component 60 and the first net blade 22 overlap in the height direction ZC. Thereby, the comb component 60 and the first net blade can be brought closer. For this reason, the electric razor 1 can be further downsized in the depth direction ZB.

  (2) The comb component 60 has an inclined portion 78 in the comb support wall 70. According to this configuration, the comb component 60 and the first net blade 22 can be arranged in the depth direction ZB as compared with the configuration in which the inclined portion 78 is omitted from the comb support wall 70. .

  In addition, the base of the support wall main body 71 at the time of the injection molding of the comb component 60 is compared with the configuration assumed that the base wall direction ZC2 side portion of the support wall main body 71 is formed in a step shape instead of the inclined portion 78. The fluidity of the molding material at the end side ZC2 side is improved. For this reason, the comb component 60 becomes easy to mold.

  (3) The weld fixing portions 54 and 55 of the slit outer blade 40 and the weld portions 95 and 96 of the outer blade joint 90 protrude from the comb component 60 in the proximal direction ZC2. According to this configuration, the welding operation of the slit outer blade 40 and the outer blade joint 90 is easily performed. Moreover, the confirmation after welding of each welding fixing part 54 and 55 and each welding part 95 and 96 is easily performed visually.

  (4) In the comb component 60, the first claw piece 51 of the slit outer blade 40 is inserted in the first housing portion 74. According to this configuration, the first claw piece 51 comes into contact with the first housing portion 74 when a force that causes the comb support wall 70 to deform in the outward depth direction ZB2 acts on the comb support wall 70. For this reason, the deformation | transformation to the depth outward direction ZB2 of the comb support wall 70 is suppressed.

  (5) In the comb component 60, the second claw piece 52 of the slit outer blade 40 is inserted in the second housing portion 75. According to this configuration, when the force that causes the comb support wall 70 to deform in the depth outward direction ZB <b> 2 acts on the comb support wall 70, the second claw piece 52 comes into contact with the second housing portion 75. For this reason, the deformation | transformation to the depth outward direction ZB2 of the comb support wall 70 is suppressed.

  (6) The comb part 60 has the fitting part 53 of the slit outer blade 40 fitted in the positioning part 76. According to this configuration, the comb support wall 70 is restricted from moving in the height direction ZC with respect to the slit outer blade 40. For this reason, the deformation | transformation to the height direction ZC of the comb support wall 70 is suppressed.

  (7) The distal end surface 72C of the comb 72 is positioned on the distal end direction ZC1 side with respect to the proximal end surface 41B of the blade piece 41 of the slit outer blade 40 and on the proximal end direction ZC2 side with respect to the distal end surface 41A of the blade piece 41. . The top portion 72 </ b> D of the comb 72 is located closer to the base end direction ZC <b> 2 than the base end surface 41 </ b> B of the blade piece 41. In the height direction ZC, the dimension L1 between the distal end surface 72C and the top 72D of the comb 72 is smaller than the thickness dimension L2 of the blade piece 41. According to this configuration, it is suppressed that the feeling per skin is deteriorated due to the comb component 60 protruding in the distal direction ZC1 from the slit outer blade 40. Further, when the electric razor 1 is used, the top portion 72D of the comb 72 is close to the skin, so that the collapsed wrinkles (hairs) can be introduced into the slit hole 73 while being raised by the comb 72. Therefore, the electric razor 1 can cut away the folds (hairs) in a collapsed state.

  (8) The welding fixing portion 105 of the slit inner blade 100 and the welding portion 114 of the inner blade joint 110 protrude in the proximal direction ZC2 from the proximal end surface 71C of the support wall main body 71 of the comb component 60. According to this structure, the welding operation | work of the slit inner blade 100 and the inner blade coupling 110 is performed easily. Moreover, the confirmation after welding of the welding fixing part 105 and the welding part 114 is easily performed visually.

  The slit blade block, the blade unit, and the electric shaver include an embodiment different from the above embodiment. Hereinafter, the modification of the said embodiment as other embodiment of this slit blade block, this blade unit, and this electric shaver is shown. The following modifications can be combined with each other.

In the slit outer blade 40 of the embodiment, at least one of the first claw piece 51, the second claw piece 52, and the fitting portion 53 can be omitted.
The slit outer blade 40 according to the embodiment includes four first claw pieces 51 and one second claw piece 52 in each slit main body portion 50. However, the number of the first claw pieces 51 and the second claw pieces 52 is not limited to the contents exemplified in the embodiment. The slit outer blade 40 may have 1 to 3 or 5 or more first claw pieces 51 in each slit main body 50. The slit outer blade 40 may have a plurality of second claw pieces 52 in each slit main body portion 50.

  -The slit outer blade 40 of embodiment has the four fitting parts 53 in each slit main-body part 50. FIG. However, the number of the fitting parts 53 is not restricted to the content illustrated by embodiment. The slit outer blade 40 may have 1 to 3 or 5 or more fitting portions 53 in each slit main body portion 50.

  -The slit outer blade 40 of embodiment has the four 1st welding fixing | fixed parts 54 in the slit main-body part 50. FIG. However, the number of the first welding and fixing portions 54 is not limited to the content exemplified in the embodiment. The slit outer blade 40 may have three or less or five or more first welding fixing portions 54 in the slit main body portion 50. The second welding fixing part 55 can be similarly changed.

  -The comb component 60 of embodiment is formed with the resin material. However, the material of the comb component 60 is not limited to the content exemplified in the embodiment. For example, the comb part 60 of a modification is formed of a metal material.

  The comb component 60 of the embodiment has the inclined portion 78 in the comb support wall 70. However, the shape of the comb support wall 70 is not limited to the content exemplified in the embodiment. For example, as shown in FIG. 11, the comb component 60 of the modified example does not have the inclined portion 78 in the comb support wall 70.

  -The comb component 60 of embodiment is located in the front end direction ZC1 side rather than the maximum width part 22A of the 1st net blade 22. As shown in FIG. However, the positional relationship between the comb component 60 and the first net blade 22 is not limited to the content exemplified in the embodiment. For example, as shown in FIG. 12, the modified comb component 120 differs from the comb component 60 in the following points. That is, the comb support wall 121 of the comb component 120 is opposed to the maximum width portion 22A of the first net blade 22 in the depth direction ZB and the first facing portion 122 facing the depth direction ZB and the tip portion 22B of the first net blade 22 in the depth direction ZB. And a second opposing portion 123. The comb support wall 121 has a configuration in which a first facing portion 122 and a second facing portion 123 are integrally formed of the same material. The second facing portion 123 has an inclined portion 124. The inclined portion 124 has a shape that inclines in a direction away from the first net blade 22 in the depth direction ZB toward the proximal direction ZC2. The comb part width TA1 that is the thickness dimension of the first facing part 122 is smaller than the comb part width TA2 that is the thickness dimension of the second facing part 123. The first facing portion 122 corresponds to “a base end portion in the height direction of the comb part”. The second facing portion 123 corresponds to a “tip portion in the height direction of the comb part”.

  According to this configuration, the comb component 120 approaches the first net blade 22 as compared with the configuration in which the comb component width TA1 of the first facing portion 122 is assumed to be equal to the comb component width TA2 of the second facing portion 123. be able to. For this reason, the slit blade block 30 and the first net blade 22 can be closer to each other. Therefore, the electric razor 1 can be reduced in size in the depth direction ZB.

-In the comb component 120 of the said modification, it can change to the level | step-difference part 125 instead of the inclination part 124, as FIG. 13 shows.
-The comb component 60 of embodiment has the inclination part 78 formed in planar shape in side view. However, the shape of the inclined portion 78 is not limited to the content exemplified in the embodiment. For example, as shown in FIG. 14, the comb component 60 of the modified example includes a curved portion 79 instead of the inclined portion 78.

In the comb component 60 of the embodiment, at least one of the first housing portion 74, the second housing portion 75, and the positioning portion 76 can be omitted in each comb support wall 70.
The comb component 60 of the embodiment has four first housing portions 74 and one second housing portion 75 in each comb support wall 70. However, the number of the 1st accommodating part 74 and the 2nd accommodating part 75 is not restricted to the content illustrated by embodiment. The comb component 60 may have 1 to 3 or 5 or more first accommodating portions 74 in each comb support wall 70. The comb component 60 may include a plurality of second accommodating portions 75 in each comb support wall 70.

  The comb component 60 of the embodiment has a comb 72 at each comb support wall 70. However, the configuration of the comb component 60 is not limited to the content exemplified in the embodiment. For example, the comb component 60 of the modified example has a configuration in which any of the combs 72 of the comb support wall 70 is omitted.

  The comb component 60 of the embodiment has two comb support walls 70. However, the configuration of the comb component 60 is not limited to the content exemplified in the embodiment. For example, the comb component 60 of the modified example has a configuration in which any one of the comb support walls 70 is omitted.

  The outer blade joint 90 of the embodiment has four first welded portions 95. However, the number of the 1st welding parts 95 is not restricted to the content illustrated by embodiment. The outer blade joint 90 may have 1 to 3 or 5 or more first welds 95. The second welded portion 96 can be similarly changed.

  -The slit blade block 30 of embodiment has the structure in which the slit outer blade 40 has the 1st nail | claw piece 51, and the comb component 60 has the 1st accommodating part 74. FIG. However, the configuration of the slit blade block 30 is not limited to the content exemplified in the embodiment. For example, the slit blade block 30 of the modified example has a configuration in which the slit outer blade 40 has the first housing portion 74 and the comb component 60 has the first claw piece 51. The second claw piece 52 of the slit outer blade 40 and the second accommodating portion 75 of the comb component 60 can be similarly changed.

  -The slit blade block 30 of embodiment has the structure in which the slit outer blade 40 has the fitting part 53, and the comb component 60 has the positioning part 76. FIG. However, the configuration of the slit blade block 30 is not limited to the content exemplified in the embodiment. For example, the slit blade block 30 of the modified example has a configuration in which the slit outer blade 40 has a positioning portion 76 and the comb component 60 has a fitting portion 53.

  In the slit blade block 30 of the embodiment, the welding fixing portions 54 and 55 of the slit outer blade 40 and the welding portions 95 and 96 of the outer blade joint 90 are welded by heat sealing. However, the fixing structure of the slit outer blade 40 and the outer blade joint 90 is not limited to the content exemplified in the embodiment. For example, in the slit blade block 30 of the modification, the slit outer blade 40 and the outer blade joint 90 are fixed by adhesion. In short, as long as the slit outer blade 40 and the outer blade joint 90 can be fixed, not only heat sealing processing but also other fixing methods can be used.

  The slit blade block 30 according to the embodiment has a reciprocating configuration in which the slit inner blade 100 reciprocates with respect to the slit outer blade 40. However, the configuration of the slit blade block 30 is not limited to the content exemplified in the embodiment. For example, the modified slit blade block 30 has a rotary configuration in which the slit inner blade 100 rotates with respect to the slit outer blade 40.

  The blade unit 20 according to the embodiment has two first blade blocks 21, two second blade blocks 24, and a slit blade block 30. However, the structure of the blade unit 20 is not restricted to the content illustrated by embodiment. For example, the modified blade unit 20 does not have at least one of the first blade block 21 and the second blade block 24. Further, the blade unit 20 of another modified example has one first blade block 21, one second blade block 24, and a slit blade block 30. Further, the blade unit 20 of still another modified example includes one slit blade block 30 and one of the first blade block 21 and the second blade block 24.

  -The electric shaver 1 of embodiment reciprocates the 1st inner blade 23 and the 2nd inner blade 26 with respect to the 1st net blade 22 and the 2nd net blade 25, and makes the slit inner blade 100 with respect to the slit outer blade 40 A reciprocating electric shaver that is reciprocated. However, the configuration of the electric razor 1 is not limited to the content exemplified in the embodiment. For example, the electric shaver 1 according to the modified example is a rotary electric shaver that causes the inner blades 23 and 26 to rotate relative to the net blades 22 and 25 and the slit inner blade 100 to rotate relative to the slit outer blade 40. It has a form.

  -Electric razor 1 of embodiment has a function which cuts out an eyelid (hair). However, the application range of the electric razor 1 is not limited to the content exemplified in the embodiment. For example, the electric shaver 1 according to the modification has a configuration as a face shaver that cuts hair different from eyebrows such as eyebrows. Moreover, the electric shaver 1 of another modification has the structure as a body shaver which excises the hair of the body part different from a face.

Next, the technical idea grasped from the above embodiment will be described together with its effects.
(A) The comb component has a comb support wall having a plurality of combs, and the comb support wall faces the slit outer blade in the arrangement direction of the net blade and the slit blade block in the outer blade case. And an accommodating portion that is located on the slit outer blade side in the arrangement direction from the comb support wall via a gap and is connected to the comb support wall, and the slit outer blade is connected to the comb outer wall in the arrangement direction. The slit blade block as described in any one of Claims 1-3 which has an insertion part inserted between a support wall and the said accommodating part.

  According to this configuration, when the force in the direction in which the comb support wall is separated from the slit outer blade is applied to the comb support wall, the storage portion and the insertion portion come into contact with each other. For this reason, the comb support wall is restricted from moving in the depth direction with respect to the slit outer blade. Therefore, deformation of the comb support wall in the depth direction is suppressed. The “insertion portion” corresponds to the first claw piece 51 and the second claw piece 52 of the slit outer blade 40. The “accommodating portion” corresponds to the first accommodating portion 74 and the second accommodating portion 75 of the comb component 60.

  (B) The comb component has a comb support wall adjacent to the slit outer blade in the arrangement direction of the net blade and the slit blade block in the outer blade case, and the comb support wall is The slit blade block according to any one of claims 1 to 3, further comprising: a protruding piece protruding toward the slit outer blade, wherein the slit outer blade includes a fitting portion that is fitted to the protruding piece.

  According to this configuration, when the force that moves the comb support wall in the height direction of the comb component acts on the comb support wall, the comb support wall is restricted from moving in the height direction with respect to the slit outer blade. . For this reason, the deformation | transformation to the height direction of a comb support wall is suppressed. The “projection piece” corresponds to the positioning portion 76 of the comb component 60.

  (C) The comb has a protrusion protruding in the arrangement direction of the net blade and the slit blade block in the outer blade case, and the front end surface of the comb is the slit outer blade in the height direction of the comb component. Between the tip surface and the base end surface of the blade piece in the height direction, and the dimension between the top of the projection and the tip surface in the height direction of the comb component is the height of the slit outer blade The slit blade block as described in any one of Claims 1-3 smaller than the dimension between the said front end surface and the said base end surface of the said blade piece in a length direction.

  According to this structure, it is suppressed that the feeling per skin is deteriorated due to the comb component protruding to the user's skin side rather than the slit outer blade. In addition, since the top of the comb is close to the skin when using an electric razor, the folds (hairs) in a fallen state can be introduced into the slit hole in a state of being raised by the comb. Therefore, the slit blade block can cut away the folds (hairs) in a collapsed state.

  DESCRIPTION OF SYMBOLS 1 ... Electric razor, 20 ... Blade unit, 22 ... 1st net blade (net blade), 22A ... Maximum width part, 22B ... Tip part, 27 ... Outer blade case, 30 ... Slit blade block, 40 ... Slit outer blade, 41 ... Blade piece, 41A ... Tip surface, 41B ... Base end surface, 60 ... Comb component, 70 ... Comb support wall, 72 ... Comb, 72B ... Projection, 72C ... Tip surface, 72D ... Top, 73 ... Slit hole, 78 ... Inclined portion, 120 ... Comb component, 121 ... Comb support wall, 122 ... First opposing portion (base end portion), 123 ... Second opposing portion (tip end portion), 124 ... Inclined portion, DN ... Net blade width, TA1 ... Comb part width, TA2 ... Comb part width, TC1 ... Comb part width, TC2 ... Comb part width, ZA ... Width direction, ZB ... Depth direction (arrangement direction), ZC ... Height direction, ZC1 ... Tip direction, ZC2 ... Proximal direction.

Claims (5)

A slit blade block attached to the outer blade case of the blade unit,
The outer blade case has a structure capable of mounting the net blade of the blade unit and the slit blade block side by side,
The net blade has a maximum width portion in which the net blade width, which is a dimension in the arrangement direction of the net blade and the slit blade block in the outer blade case, is different in the height direction of the net blade, and the net blade width is the largest. Have
The slit blade block has a slit outer blade and a comb part,
In the comb component, a base end portion in a height direction of the comb component is formed closer to a tip end side of the net blade than the maximum width portion. A slit blade block attached to the outer blade case of the blade unit,
The outer blade case has a structure capable of mounting the net blade of the blade unit and the slit blade block side by side,
The net blade has a maximum width portion in which the net blade width, which is a dimension in the arrangement direction of the net blade and the slit blade block in the outer blade case, is different in the height direction of the net blade, and the net blade width is the largest. Have
The slit blade block has a slit outer blade and a comb part,
In the comb part, the comb part width, which is a dimension in the arrangement direction of the net blade and the slit blade block in the outer blade case, is different in the height direction of the comb part, and the comb part width is the height of the comb part. A slit blade block that is smaller at the proximal end in the height direction of the comb component than at the distal end in the direction. The comb component has a comb support wall having a plurality of combs;
The comb support wall has an inclined portion,
The inclined portion is formed on the proximal direction side of the plurality of combs in the height direction of the comb component, and a comb component width that is a dimension in the arrangement direction on the comb support wall is from the comb to the comb component. The slit blade block according to claim 1, wherein the slit blade block becomes smaller toward a base end direction side in the height direction.   The blade unit which has a slit blade block as described in any one of Claims 1-3.   An electric shaver having the blade unit according to claim 4.