CN202278529U

CN202278529U - Ratchet wheel of ratchet wrench

Info

Publication number: CN202278529U
Application number: CN2011204015262U
Authority: CN
Inventors: 杨承蒲; 侯森源
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-10-20
Filing date: 2011-10-20
Publication date: 2012-06-20
Anticipated expiration: 2021-10-20

Abstract

The utility model relates to a ratchet wheel of a ratchet wrench, which includes a ratchet wheel body and a ratchet wheel mechanism arranged in the ratchet wrench, wherein a plurality of ratchets are arranged on the outer circumference of the ratchet wheel body; the periphery of the ratchet wheel body is wrapped with a wrapping layer; the wrapping layer is provided with an opening; and the opening is used for exposing all the ratchets, so as to retain the torsion, and improve the appearance, the texture and the identification.

Description

The ratchet of ratchet spanner

Technical field

The utility model relates to a kind of ratchet, and particularly a kind of side face is coated with clad, has concurrently to keep original torsion and promote attractive in appearance, texture and the ratchet of the ratchet spanner of effect such as identification.

Background technology

Press strong hand instrument (for example spanner, sleeve or the like), attractive in appearance and add the formation clad on its surface in order to increase it, for example the U.S. the 6th, 082, No. 227, No. the 7th, 028,588, the U.S. and No. 092202015 patent case of TaiWan, China application.General strong hand tool processes forms the mode of clad; Be after the hand-held tool processing procedure is accomplished or impose in the fabrication steps and dye that black, nickel plating, chromium plating, zinc-plated, titanizing, technicolo, japanning, tint or other worker's method, make all surfaces that are exposed outside of whole hand-held tool all form clad.The clad that the strong hand tool surfaces is processed has special color and luster, so as to promoting the attractive in appearance and texture of hand-held tool, reaches the function that generation is easy to identification.

Because the size of hand-held tool itself is just fixing when design, do not consider to be difficult to the coating thickness that the other processing of consideration is got on yet, especially coating thickness can have difference because of the difference of its its processing method, and general thickness has 0.5mm approximately.Though increased such thickness, for hand-held tools such as spanner or sleeve, do not had the problem in operation, use or the turn.But for ratchet; If increase the coating thickness of 0.5mm, the disappearance of stating after but can producing: (a) see also Figure 12 to 14, if ratchet body 50 is processed and formed clad 60 at all surfaces; Also there is clad 60 on its ratchet 51 surfaces 52 and by bed hedgehopping; A sufficient intensity is not had on clad 60 surface 61, add effect original between ratchet 51 peak and valley at interval H2 dwindle, thereby cause the loss of the driving torsion of ratchet; When (b) ratchet body 50 was with the pallet engagement, the depth of engagement was reduced into H1, and ratchet 51 can't entirely truely mesh with pallet; More can cause the loss that drives torsion, when ratchet is big specification (more than 19mm), the peak and valley spacing of ratchet 51 is merely 0.58mm; The last profile of tooth of the thick clad of 0.5mm is few draping over one's shoulders, though the torsion consume is gone up not quite, is small dimension (like 8mm) as if ratchet; Tooth peak and tooth paddy spacing are merely 0.28mm, at the thick clad of coating 0.5mm, have not had profile of tooth and have manifested; And can't with the pallet correct engagement, cause torsion loss just very big, especially the ratchet specification is 8mm to 15mm; Ratchet because of by clad covered with can't be correctly and the pallet engagement, can cause slippage phenomenon.Therefore at present in the known technology, do not have the design that ratchet adds clad, so that ratchet is simple true qualities, and can't promote that it is attractive in appearance, texture and identification.

The utility model content

The purpose of the utility model provides a kind of ratchet of novel ratchet spanner, and its surface is coated with clad, and it is attractive in appearance to promote, texture and identification through clad, and can keep the original torsion of ratchet mechanism, and avoids slippage phenomenon.

For realizing above-mentioned purpose, the utility model is taked following technical scheme:

A kind of ratchet of ratchet spanner; It comprises a ratchet body, the outer shroud side face of this ratchet body several ratchets that have been periphery, and coating includes a clad on the side face of this ratchet body; This clad has opening, and this opening supplies these several ratchets to be exposed outside.

The said outer shroud side face of said ratchet body includes along stage casing of its axial distribution and two latter ends, and this stage casing is between these two latter ends, and said several ratchets are distributed on this stage casing, and these two latter ends are coated with said clad.

The end face of said ratchet body is coated with said clad.

Said ratchet body includes in the form of a ring in said outer shroud side face and one and encircles side face, and ring side face is coated with said clad in this.

Ring side face several fastening parts that have been periphery in said ratchet body said, ring side face supplies a sheathed workpiece, these several these workpiece of fastening part blocking in this.

The ring side face is partitioned into several grooves around ring side face in this by said several fastening parts in said.

Said several grooves are V-shaped respectively and join continuously in regular turn.

Said ratchet body encircles side face and matches with a bull stick side face shape in the form of a ring in it; This ratchet body is placed on this bull stick, and this bull stick is in order to drive this ratchet body rotation.

End of said bull stick screws togather one and is used to the nut of avoiding said ratchet body to deviate from from this bull stick, places restrictions on this ratchet body with this nut, deviates from from this bull stick to avoid this ratchet body.

The utility model is coated with clad on the side face of ratchet body, utilize laser technology to remove the clad on the ratchet surface on the ratchet outer shroud side face, makes clad form opening relatively, utilizes opening to supply the ratchet of ratchet to expose.

The beneficial effect of the utility model is: ratchet body side face coating clad can promote that it is attractive in appearance, texture and identification.The clad of ratchet body is provided with opening and supplies ratchet to expose effectively to mesh with pallet, can keep original due driving torsion.When the ratchet body is annular, outside the clad of inner peripheral surface is apparent in, can effectively highlight the due function of clad.

Description of drawings

Fig. 1 is the stereogram of the ratchet of the utility model ratchet spanner.

Fig. 2 is the stereogram that the ratchet of the utility model ratchet spanner all is coated with clad.

Fig. 3 is the front view that the ratchet of the utility model ratchet spanner all is coated with clad.

Fig. 4 is the sectional drawing of A-A face among Fig. 3.

Fig. 5 is the enlarged drawing of circle B among Fig. 4.

Fig. 6 is the sketch map that the utility model is placed on bull stick.

Fig. 7 is the action sketch map of the utility model laser removal office clad.

Fig. 8 is the clad that the utility model is removed the outer shroud side face, and only in end face reaches, encircles the sketch map that side face has clad.

Fig. 9 is the enlarged drawing at B place among Fig. 8.

Figure 10 is the clad that the utility model is removed outer shroud side face stage casing, and at two latter ends of outer shroud side face, and end face and interior ring side face have the sketch map of clad.

Figure 11 is the enlarged drawing at B place among Figure 10.

Figure 12 is the side view of habitual ratchet.

Figure 13 is the sectional drawing of E-E face among Figure 12.

Figure 14 is the enlarged drawing at F place among Figure 13.

The specific embodiment

Shown in Fig. 8 and 9, the ratchet of the utility model ratchet spanner comprises a ratchet body 10.The outer shroud side face 11 of ratchet body 10 several ratchets 12 that have been periphery supply to be arranged in the ratchet mechanism of ratchet spanner, to produce the unidirectional drive function.The utility model principal character is that coating includes a clad 20 on the side face of ratchet body 10, and clad 20 has opening 21, and opening 21 supplies several ratchets 12 to be exposed outside.In this illustrated example, ratchet body 10 includes outer shroud side face 11 and interior ring side face 18 in the form of a ring.Interior ring side face 18 is coated with clad 20.Moreover, the interior ring side face 18 of ratchet body 10 several fastening parts 19 that have been periphery.Interior ring side face 18 supplies sheathed workpiece (for example nut or bolt head), several fastening part 19 blocking workpiece.As shown in Figure 1, interior ring side face 18 is partitioned into several grooves 190 around interior ring side face 18 by these fastening parts 19, and in the illustrated example, these several grooves 190 are V-shaped respectively and have 12 to join continuously in regular turn.The interior ring side face 18 of ratchet body 10 supplies fit to drive workpiece; Because of inner peripheral surface in DIN (Deutsch Industria Normen) specification; Has the above tolerance of 1mm at least; Ring side face 18 is coated with the thick clad of 0.5mm 20 promptly, and workpiece still can effectively be inserted in, and the clad 20 that therefore is positioned at ratchet body 10 inner peripheral surfaces need not removed.

Shown in Figure 10 and 11, among another embodiment of the utility model, the outer shroud side face 11 of ratchet body 10 includes along stage casing 13 of its axial distribution and two latter ends 14,15.Stage casing 13 is at two latter ends 14, between 15.These ratchets 12 are around being distributed on the stage casing 13.Two

latter ends

14,15 and

end face

16,17 still are coated with clad 20.

As shown in Figure 1, process ratchet body 10 earlier.As shown in Figure 2, after ratchet body 10 manufacturing process are accomplished or impose in the manufacturing process and dye that black, nickel plating, chromium plating, zinc-plated, titanizing, technicolo, japanning, tint or other worker's method, and clad 20 is coated on the whole side face of ratchet body 10.Shown in Fig. 2 to 5, ratchet body 10 in the form of a ring, clad 20 be coated in ratchet body 10 outer shroud side face 11, both ends of the

surface

16,17 and in ring side face 12.Ring side face 12 matches with a bull stick 30 side face shapes in the ratchet body 10, several ratchet bodies 10 is placed on the bull stick 30, and screws togather a nut 33 in 30 1 ends 32 of bull stick, places restrictions on ratchet body 10 with nut 33 and deviates from from bull stick 30.Expose for ratchet 12 in order to make clad 20 form opening 21; The utility model production method shown in Fig. 7 to 11, cooperates the laser devices 40 that can send laser light; 30 drive ratchet body 10 rotations of control bull stick and laser devices 40 are along moving axially; Laser light is little by little removed the clad on the ratchet body 10 outer shroud side faces 11 20, makes clad 20 relatively form opening 21, and opening 21 supplies ratchet 12 to expose.Wherein, the translational speed of the rotary speed of bull stick 30 and laser devices 40 need match, and the clad 20 that is coated on originally on ratchet 12 side faces is removed, and relatively forms the opening 21 that can supply ratchet 12 to expose.The laser light that laser devices 40 is sent is set in the certain temperature range, and comprises a specific range with ratchet 10, avoids ratchet 12 to suffer damage.

As shown in Figure 6, the utility model ratchet body 10 specifications have multiple (5mm to 32mm etc.).Bull stick 30 also has the section portion 31 of a plurality of different sizes, and each section portion 31 supplies a corresponding ratchet body 10 sheathed.

The ratchet of the utility model ratchet spanner has following advantage:

1. ratchet body 10 side face coating clads 20 can promote that it is attractive in appearance, texture and identification.

2. the clad 20 of ratchet body 10 is provided with opening 21 and supplies ratchets 12 to expose effectively to mesh with pallet, can keep original due driving torsion.

3. when ratchet body 10 is annular, outside the clad 20 of inner peripheral surface is apparent in, can effectively highlight the due function of clad.

Claims

1. the ratchet of a ratchet spanner, it comprises a ratchet body, the outer shroud side face of this ratchet body several ratchets that have been periphery; It is characterized in that; Coating includes a clad on the side face of this ratchet body, and this clad has opening, and this opening supplies these several ratchets to be exposed outside.

2. the ratchet of ratchet spanner according to claim 1; It is characterized in that; The said outer shroud side face of said ratchet body includes along stage casing of its axial distribution and two latter ends; This stage casing is between these two latter ends, and said several ratchets are distributed on this stage casing, and these two latter ends are coated with said clad.

3. the ratchet of ratchet spanner according to claim 1 is characterized in that, the end face of said ratchet body is coated with said clad.

4. the ratchet of ratchet spanner according to claim 1 is characterized in that, said ratchet body includes in the form of a ring in said outer shroud side face and one and encircles side face, and ring side face is coated with said clad in this.

5. the ratchet of ratchet spanner according to claim 4 is characterized in that, ring side face several fastening parts that have been periphery in said ratchet body said, and ring side face supplies a sheathed workpiece, these several these workpiece of fastening part blocking in this.

6. the ratchet of ratchet spanner according to claim 5 is characterized in that, said interior ring side face is partitioned into several grooves around ring side face in this by said several fastening parts.

7. the ratchet of ratchet spanner according to claim 6 is characterized in that, said several grooves are V-shaped respectively and join continuously in regular turn.

8. the ratchet of ratchet spanner according to claim 4; It is characterized in that; The said outer shroud side face of said ratchet body includes along stage casing of its axial distribution and two latter ends; This stage casing is between these two latter ends, and said several ratchets are distributed on this stage casing, and these two latter ends are coated with said clad.

9. the ratchet of ratchet spanner according to claim 1 is characterized in that, said ratchet body encircles side face and matches with a bull stick side face shape in the form of a ring in it; This ratchet body is placed on this bull stick, and this bull stick is in order to drive this ratchet body rotation.

10. the ratchet of ratchet spanner according to claim 9 is characterized in that, end of said bull stick screws togather one and is used to the nut of avoiding said ratchet body to deviate from from this bull stick, places restrictions on this ratchet body with this nut.