CN207465098U

CN207465098U - Hand tool shrink-fit portion structure

Info

Publication number: CN207465098U
Application number: CN201721604355.7U
Authority: CN
Inventors: 李缵沧
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-11-27
Filing date: 2017-11-27
Publication date: 2018-06-08
Anticipated expiration: 2027-11-27

Abstract

The utility model about a kind of hand tool shrink-fit portion structure, including：The appearance of one ontology is cylinder shape, which is equipped with fitting portion, which is in hexagonal channel-shaped；The fitting portion includes plural recess portion, plural circular arc recess portion and plural blocking side, and in interval annular arrangement, the quantity of the recess portion, the circular arc recess portion and the blocking side is also six for the plural number recess portion, the plural number circular arc recess portion and the plural number blocking side；Each recess portion is in plural number recess channel-shaped, an at least recess portion is equipped between each two circular arc recess portion, blocking side is equipped between each two circular arc recess portion, the recess portion is set in the range of the blocking side, the circular arc recess portion is set at the both ends on each blocking side, the length on the blocking side is the first length, and the length of the recess portion is the second length；A hexagon is formed in the fitting portion of the ontology, the hexagon is equipped with central axes and side face, and the number in the side face is six, and per one side face and each blocking side is opposite just, the length in the side face is third length, and first length is between 0. 5 to 0. 65 specifications of the third length.

Description

Hand tool shrink-fit portion structure

Technical field

The utility model is related with a hand tool shrink-fit portion structure, and espespecially a kind of hand tool shrink-fit portion structure is equipped with fitting Portion, recess portion, circular arc recess portion and blocking side, the fitting portion of the ontology is for the screw piece phase fitting, should during the turn screw piece The angle end of the fitting portion, that is, Wear screw piece.

Background technology

By previously known, common hand tool shrink-fit portion structure, as shown in Figure 10, the open-end wrench 40 include effect end and Shank, the effect end are equipped with two opposite side 41 and connect the cancave cambered surface 42 of two opposite side 41, two opposite side 41 of the open-end wrench 40 For the 30 phase fitting of screw piece.

But the missing of this common hand tool shrink-fit portion structure is：

When two opposite side, the 41 turn screw piece 30, which belongs to loose fit structure with two opposite side 41, so Two opposite side 41 can be clipped at the angle end of the screw piece 30, when the screw piece 30 by turn for a period of time after, the screw piece 30 It is easy to wear into rounded end, and damage the screw piece 30.

In view of the missing of above-mentioned common hand tool shrink-fit portion structure, the utility model people by being engaged in relevant industries for many years Manufacture, production and design experiences, the product for having a hand tool shrink-fit portion structure that can solve common drawback finally come out.

Utility model content

The problem of the utility model is to be solved：The angle of the screw piece can be worn during common hand-held tool turn screw piece End, the fitting portion of the ontology of the utility model is for the screw piece phase fitting, and each angle end of the screw piece is positioned at each In the range of circular arc recess portion, you can avoid wearing the angle end of the screw piece.

To solve the above-mentioned problems, the utility model provides a kind of hand tool shrink-fit portion structure, including：Outside one ontology It sees as cylinder shape, which is equipped with fitting portion, which is in hexagonal channel-shaped；The fitting portion include plural recess portion, Plural circular arc recess portion and plural blocking side, the plural number recess portion, the plural number circular arc recess portion and the plural number blocking side are in interval circular row Row, the quantity of the recess portion, the circular arc recess portion and the blocking side is also six；Each recess portion is in plural number recess channel-shaped, and each two is recessed It falls into without spacing distance and with an intersection point between slot, is equipped with an at least recess portion between each two circular arc recess portion, between each two circular arc recess portion Equipped with blocking side, which is set in the range of the blocking side, which is set at the both ends on each blocking side, the card The length on side processed is the first length, and the length of the recess portion is the second length；A hexagon is formed in the fitting portion of the ontology, it should Hexagon is equipped with central axes and side face, and the number in the side face is six, and per one side face and each blocking side is opposite just, the side face Length is third length, and first length is between 0. 5 to 0. 65 specifications of the third length, and each circular arc recess portion The center of circle be located on the connecting line at the central axes and the hexagonal angle end.

Further, which is a tube-in-tube structure, which is equipped with the driving portion in quadrangle channel-shaped.

Further, each recess portion is in equilateral triangle channel-shaped, and the both sides mask first angle of each recessed groove, this first Angle is 90 degree.

Further, which has a vertical line, which is located on the vertical line.

Further, which has a specification, which is the 4th length, which is the 4th length Between 0. 035 to the 0. 045 of degree.

Further, which has a specification, which is the 4th length, which is the 4th length The 0. 038 of degree are arrived between 0. 042.

Further, which is a penetration tube-in-tube structure.

Further, which is a plum wrench structure or ratchet structure.

Further, the ontology be a Slide bar structure be the Slide bar structure of a Universal connector hair style or be one float connect Head or universal joints structure.

The beneficial effects of the utility model are：

Hand tool shrink-fit portion provided by the utility model structure, the fitting portion of the ontology for the screw piece phase fitting, Each angle end of the screw piece is located in the range of each circular arc recess portion, during the turn screw piece, that is, the Wear screw piece Each angle end, there is first length on the blocking side of the ontology, which is the third length 0. 5 to zero Between six or five specifications, at the angle end of such screw piece with the more at least distance of the Seventh Five-Year Plan specification at the blocking side end point, this During the ontology turn screw piece, if there is each angle end that the screw piece would not be worn up to during bigger tolerance fit between the two.

Description of the drawings

Fig. 1 is the stereogram of the utility model hand tool shrink-fit portion structure.

Fig. 2 is the front view of the utility model hand tool shrink-fit portion structure.

Front view when Fig. 3 is the utility model fitting screw piece.

Fig. 4 is the stereogram of the utility model second embodiment.

Fig. 5 is the front view of the utility model 3rd embodiment.

Fig. 6 is the front view of the utility model fourth embodiment.

Fig. 7 is the stereogram of the 5th embodiment of the utility model.

Fig. 8 is the stereogram of the utility model sixth embodiment.

Fig. 9 is the stereogram of the 7th embodiment of the utility model.

Figure 10 is the schematic diagram of common hand tool shrink-fit portion structure.

Reference numeral

10：Ontology；11：Fitting portion；12：Driving portion；121：Penetration sleeve；122：Spanner；123：Ratchet；124：First Slide bar；125：Second slide bar；126：Universal joint；13：Recess portion；131：Recessed groove；132：Intersection point；133：First angle；14：Circle Arc recess；15：Blocking side；16：First length；17：Second length；171：First height；20：Hexagon；21：Central axes；22： Side face；23：Third length；24：Vertical line；25：4th length；30：Screw piece；31：Angle end；40：Open-end wrench；41：Opposite side； 42：Cancave cambered surface.

Specific embodiment

For the effect of those skilled in the art are to the utility model is made to understand completely, hereby coordinate attached drawing with regard to the utility model After structure, composition are illustrated in, only person as described below is only the embodiment for being used for explaining the utility model, is not intended to according to this to this Utility model does limitation in any form, is connect with every any modification change under the spirit of the utility model, done The scope of protection of the utility model should be belonged to.

Referring initially to shown in Fig. 1 and Fig. 2, Fig. 1 is the stereogram of the utility model hand tool shrink-fit portion structure, and Fig. 2 is The front view of the utility model hand tool shrink-fit portion structure, the utility model about a kind of hand tool shrink-fit portion structure, including：

One ontology 10, the appearance of the ontology 10 is cylinder shape, which is sleeve member, which is equipped with set Conjunction portion 11, the fitting portion 11 are in hexagonal channel-shaped, which is equipped with the driving portion 12 in quadrangle channel-shaped, which can It is nested conjunction for another hand-held tool；

The fitting portion 11 includes plural recess portion 13, plural circular arc recess portion 14 and plural blocking side 15, the plural number recess portion 13, The plural number circular arc recess portion 14 and the plural number blocking side 15 are in interval annular arrangement, and the recess portion 13 and the circular arc recess portion 14 are six, The quantity on the blocking side 15 is also six；

Each recess portion 13 is in two 131 shapes of recessed groove, and each recessed groove 131 is in triangle channel-shaped, and each recessed groove 131 is in just Triangle channel-shaped, without spacing distance and with an intersection point 132, the both sides mask first of each recessed groove 131 between two recessed grooves 131 Angle 133, the first angle 133 is connects close to ninety degrees, and the quantity of the circular arc recess portion 14 is six, between each two circular arc recess portion 14 Equipped with an at least recess portion 13, blocking side 15 is equipped between each two circular arc recess portion 14, which is set on the range on the blocking side 15 Interior, the quantity of the recess portion 13 on each blocking side 15 is one, the intersection point 132 be close with the extension line on the blocking side 15 or It coincides, which is set at the both ends on each blocking side 15, and the length on the blocking side 15 is the first length 16, should The length of recess portion 13 is the second length 17, and the intersection point of each 131 bottom of recessed groove and the blocking side 15 have the first height 171；

A hexagon 20 is formed in the fitting portion 11 of the ontology 10, central axes 21 are equipped at the center of the hexagon 20, Hexagonal every one side is side face 22, and the number in the side face 22 is six, per one side face 22 with each blocking side 15 relatively just, The length in the side face 22 is third length 23, which is 0. 5 to 0. 65 specifications of the third length 23 Between, when the length of the third length 23 is ten MM, which is the central axes 21 between five MM to six points of five MM With a vertical line 24, which is located on the vertical line 24, and the center of circle of each circular arc recess portion 14 is located at the central axes 21 With on the connecting line at the angle end of the hexagon 20；

The hexagon 20 has a specification, which is the 4th length 25, which is the 4th length 25 0. 035 to 0. 045 between, first length 171 be the 4th length 25 0. 038 to 0. 04 Between two.

It please referring to shown in Fig. 3, front view when Fig. 3 is the utility model fitting screw piece 30 can be best illustrated in by diagram, The hexagon 20 that the fitting portion 11 is formed houses fitting for 30 phase of screw piece, each angle end 31 of the screw piece 30 In the range of each circular arc recess portion 14, when 11 turn screw piece 30 of fitting portion of such ontology 10, can avoid grinding Damage each angle end 31.

Please continue to refer to shown in Fig. 4, Fig. 4 is the stereogram of the utility model second embodiment, can be best illustrated in by diagram, In the embodiment, which is the structure of a penetration sleeve 121.

Please continue to refer to shown in Fig. 5, Fig. 5 is the front view of the utility model 3rd embodiment, can be best illustrated in by diagram, In the embodiment, which is the structure of a double offset ring spanner 122.

Please continue to refer to shown in Fig. 6, Fig. 6 is the front view of the utility model fourth embodiment, can be best illustrated in by diagram, In the embodiment, which is 123 structure of a ratchet.

Please continue to refer to shown in Fig. 7, Fig. 7 is the stereogram of the 5th embodiment of the utility model, can be best illustrated in by diagram, In the embodiment, which is the structure of one first slide bar 124.

It please refers to shown in Fig. 8, Fig. 8 is the stereogram of the utility model sixth embodiment, can be best illustrated in by diagram, the reality It applies in example, which is 125 structure of the second slide bar of a Universal connector hair style.

Please continue to refer to shown in Fig. 9, Fig. 9 is the stereogram of the 7th embodiment of the utility model, can be best illustrated in by diagram, In the embodiment, which is 126 structure of a floating junction or universal joint.

The hand tool shrink-fit portion structure of the utility model has the advantages that following：

1st, the fitting portion 11 is for the 30 phase fitting of screw piece, and it is recessed that each angle end 31 of the screw piece 30 is located at each circular arc In the range of portion 14, during the turn screw piece 30, that is, each angle end 31 of Wear.

2nd, there is first length 16 on the blocking side 15 of the ontology 10, which is the zero of the third length 23 Between five to 0. 65 specifications, at the angle end 31 of such screw piece 30 with more at least the Seventh Five-Year Plan at 15 endpoint of blocking side The distance of specification, during the 10 turn screw piece 30 of ontology, if this would not be worn up to during bigger tolerance fit by having between the two Each angle end 31 of screw piece 30.

In conclusion the hand tool shrink-fit portion structure of the utility model has industry applications, novelty and progressive, really The application important document of utility model patent can be met, therefore filed an application in accordance with the law.

Claims

1. a kind of hand tool shrink-fit portion structure, which is characterized in that including：

One ontology, the appearance of the ontology is cylinder shape, which is equipped with fitting portion, which is in hexagonal channel-shaped；

The fitting portion includes plural recess portion, plural circular arc recess portion and plural blocking side, the plural number recess portion, the plural number circular arc recess portion And the plural number blocking side, in interval annular arrangement, the recess portion and the circular arc recess portion are six, and the quantity on the blocking side is also six；

Each recess portion is in two identical recess channel-shaped, without spacing distance and with an intersection point, each recess portion between two recessed grooves In triangle channel-shaped, an at least recess portion is equipped between each two circular arc recess portion, is equipped with blocking side between each two circular arc recess portion, which sets In the range of the blocking side, the quantity of the recess portion on each blocking side is one, the intersection point and the extension line on the blocking side It is close or coincides, which is set at the both ends on each blocking side, and the length on the blocking side is the first length, should The length of recess portion is the second length；

A hexagon is formed in the fitting portion of the ontology, is equipped with central axes at the hexagonal center, this is hexagonal each While for while face, the number in the side face is six, opposite just with each blocking side per one side face, and the length in the side face is that third is long Degree, first length is between 0. 5 to 0. 65 specifications of the third length, and the center of circle of each circular arc recess portion is located at this On the connecting line at central axes and the hexagonal angle end.

2. hand tool shrink-fit portion as described in claim 1 structure, which is characterized in that the ontology be a tube-in-tube structure, the ontology Another end is equipped with the driving portion in quadrangle channel-shaped.

3. hand tool shrink-fit portion as described in claim 1 structure, which is characterized in that each recess portion is in equilateral triangle channel-shaped, often The both sides mask first angle of one recessed groove, the first angle are 90 degree.

4. hand tool shrink-fit portion as described in claim 1 structure, which is characterized in that the central axes have a vertical line, the friendship Point is located on the vertical line.

5. hand tool shrink-fit portion as described in claim 1 structure, which is characterized in that the hexagon has a specification, the specification As the 4th length, between which is 0. 035 to the 0. 045 of the 4th length.

6. hand tool shrink-fit portion as described in claim 1 structure, which is characterized in that the hexagon has a specification, the specification As the 4th length, between which is 0. 038 to the 0. 042 of the 4th length.

7. hand tool shrink-fit portion as described in claim 1 structure, which is characterized in that the ontology is a penetration tube-in-tube structure.

8. hand tool shrink-fit portion as described in claim 1 structure, which is characterized in that the ontology is a plum wrench structure or spine Wheel construction.

9. hand tool shrink-fit portion as described in claim 1 structure, which is characterized in that the ontology is a Slide bar structure or is one The Slide bar structure of Universal connector hair style is a floating junction or universal joints structure.