CN105437165B - The instrument and its set group of replaceable driving head - Google Patents
The instrument and its set group of replaceable driving head Download PDFInfo
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- CN105437165B CN105437165B CN201410393835.8A CN201410393835A CN105437165B CN 105437165 B CN105437165 B CN 105437165B CN 201410393835 A CN201410393835 A CN 201410393835A CN 105437165 B CN105437165 B CN 105437165B
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- driving head
- storage tank
- female connector
- overcoat
- polygonal
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Abstract
The invention discloses a kind of instrument and its set group of replaceable driving head, the instrument set group includes female connector, overcoat and an at least limited part.Female connector is provided with relative storage tank and drive end, and storage tank inwall is provided with most axially extending fins and most grooves between fin, and the groove of storage tank supplies the polygonal ballhead grafting of driving head.Overcoat can limit the earth's axis mutually and is connected to sliding sleeve outside female connector, be provided with recess and convex portion in inwall, overcoat can be slid in first position and the second place with respect to female connector.Limited part sets fin and optionally protruded from storage tank.When overcoat is located at first position, convex portion is supported limited part and protruded from storage tank and polygonal ballhead block can be limited in storage tank by limited part；When overcoat is located at the second place, the relatively restricted part of recess and limited part energy setback recess and polygonal ballhead can be by extracting out in storage tank.Fast changeable driving head of the present invention, simple in construction, manufacture and assembling are easy, reduce frictional force, improve operating efficiency.
Description
Technical field
The present invention is related to a kind of instrument and its set group of replaceable driving head.
Background technology
In known two-period form joint, the polygonal ballhead of support bar is placed in the storage tank of operation head, and this is accommodating
The shape of groove corresponds to polygonal ballhead and is in more arm of angle shapes, and makes support bar can be with operation head when being pressed into by a connecting structure
It is mutually fixed, and make support bar can relative activity head progress pivot pendulum when pulling out.Disclosed in TaiWan, China patent 566284 and M357344
I.e. belong to such.
In structure disclosed in TaiWan, China patent 566284, because storage tank inwall is in more arm of angle shapes, be with its with it is more
Contact with face in face between corner-kick forming head, and rotated when using Vidacare corp driving support bar relative activity head height speed
When, easily because the friction of polygonal ballhead and storage tank is excessive and caused by locked card work as, and can to Vidacare corp and this two
Segmentation tool-joint produces infringement；Furthermore it is locked even without occurring, extra energy can be still wasted in friction process when use
Amount, causes operating efficiency low and unfavorable user operates.
It is to be provided with the more corner-kicks of multiple correspondences in the side wall of storage tank in structure disclosed in TaiWan, China patent M357344
The flange of forming head, these flanges are equally spaced from each other and are longitudinally disposed in the side wall of storage tank, and the quantity of these flanges corresponds to
The angle number of polygonal ballhead, and each flange all has one for the convex arc contact surface that contact with polygonal ballhead, make support bar and
Operation head is in rotation continuous action relation, to improve the scarce disadvantage of the structure such as TaiWan, China patent 566284.
However, either such as the structure that TaiWan, China patent 566284 or M357344 are taken off, being all not provided with can effective backstop
The block edge in each corner of polygonal ballhead, therefore when high speed rotary operation, driving head is easily deviate from, and has operating efficiency not
Good, job interruption, the problem of even causing danger.
Though have a kind of two-period form joint tool that polygonal ballhead normality is plugged in a storage tank, however, when be intended into
The operation of row plurality of specifications part to be driven and when needing to change driving head, it is necessary to whole group tool changing, and can not only change driving
Head, not only need to purchase a large amount of Set of tools, and operation takes and taken a lot of work, there is the scarce disadvantage urgently improved.
Therefore, it is necessary to the instrument and its set group of replaceable driving head a kind of novel and with progressive are provided, with solution
Certainly above mentioned problem.
The content of the invention
It is a primary object of the present invention to provide a kind of instrument and its set group of replaceable driving head, can be rapidly somebody's turn to do
The replacement operation of driving head, and its component is simple, easy to manufacture and assembling；Frictional resistance is greatly decreased, convenient operation, and significantly
Lift operating efficiency；Can solve the problems, such as that locked card can occur when high speed rotates and work as known features.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
A kind of instrument set group of replaceable driving head, including a female connector, an overcoat and an at least limited part.The female connector is provided with
A relative storage tank and a drive end, the inwall of the storage tank be provided with most axially extending fins and positioned at these fins it
Between most grooves, in a radial section, each fin has one to be connected to convex arc between two grooves, appoints adjacent two convex arc
Extension is not intersected in the range of the female connector, and the groove of the storage tank supplies a polygonal ballhead grafting of a driving head.The overcoat
The earth's axis can be limited mutually to be connected to outside the female connector to sliding sleeve, it is convex for what is protruded relative to the recess provided with a recess and one in inwall
Portion, the overcoat can be slid with respect to the female connector in a first position and a second place.The limited part be located therein the fin and
Between the female connector and the overcoat, optionally protrude from the storage tank.Wherein, when the overcoat is located at the first position
When, the convex portion is supported the limited part and protruded from the storage tank and the polygonal ballhead block can be limited to this by the limited part
In storage tank；When the overcoat is located at the second place, the recess relative to the limited part and the limited part energy setback recess and
The polygonal ballhead can be by extracting out in the storage tank.
Further,
Notch peristoma of the female connector along the storage tank is provided with a first annular lead angle.
The described one end that is coated at is radially extended provided with a positioning sleeve edge, in radially, the running-on that the positioning sleeve edge defines
Size be not less than the notch of the storage tank, the driving head also include one located at the polygonal ballhead relatively above
Radial flange, when the overcoat is located at the first position and the radial flange is limited in the running-on by the positioning sleeve edge
When middle, the driving head can not relatively rotate with the female connector；When the overcoat is located at the first position and the radial direction
When flange is not located in the running-on, the driving head is able to the polygonal ballhead, and for centring point, relatively described female connector carries out pivot
Pendulum.
Running-on peristoma of the overcoat along the positioning sleeve edge is provided with one second annular lead angle.
Notch peristoma of the female connector along the storage tank is provided with a first annular lead angle, and the overcoat is along the positioning sleeve
The running-on peristoma of edge is provided with one second annular lead angle, and first and second annular lead angle is into inside and outside configuration.
The positioning sleeve edge and the storage tank form a step shape.
Axially to see it, the positioning sleeve edge is least partially overlapped between the radial flange and the female connector.
One top surface of the positioning sleeve edge is arranged with one first rank portion, running-on mouth of the first rank portion along the positioning sleeve edge
Edge is set.
An elastic component has been abutted between the female connector and the overcoat.
One top surface of the female connector is arranged with one the 3rd rank portion, and notch inner edge of the 3rd rank portion along the storage tank is set
Put, the driving head also includes a radial flange relatively above for being located at the polygonal ballhead, when the overcoat is located at institute
State first position and when the radial flange is limited in the 3rd rank portion, the driving head relative can not turn with the female connector
It is dynamic；When the overcoat is located at the first position and when the radial flange is not located in the 3rd rank portion, the driving head
Being able to the polygonal ballhead, relatively described female connector carries out pivot pendulum for centring point.
To reach above-mentioned purpose, the present invention also provides a kind of instrument of replaceable driving head, including one as described above may be used
The instrument set group of driving head, in addition to a driving head are changed, the driving head is located at more corner-kicks with a polygonal ballhead and one
The radial flange relatively above of forming head, the driving head are removedly plugged in the storage tank of the female connector.
Further,
One bottom surface of the radial flange is arranged with a second-order portion, axially to see it, the second-order portion at least partly weight
It is laminated on the positioning sleeve edge.
The advantage of the invention is that：
The present invention can rapidly be driven the replacement operation of head, and its component is simple, easy to manufacture and assembling；Friction resistance
Power is greatly decreased, convenient operation, and operating efficiency is substantially improved；Can solve known features can occur locked card when high speed rotates
The problem of working as.
Brief description of the drawings
Fig. 1 is the stereogram of a preferred embodiment of the present invention.
Fig. 2 is the exploded view that the present invention one is preferably implemented.
Fig. 3 to 5 is the profile of a preferred embodiment of the present invention.
Fig. 6 to 9 uses schematic diagram for a preferred embodiment of the present invention.
Figure 10 to 11 is the schematic diagram of another preferred embodiment of the present invention.
Figure 12 to 13 is the schematic diagram of another embodiment of the present invention.
Figure 14 to 15 is the schematic diagram of the another preferred embodiment of the present invention.
Embodiment
Only so and it is not used to limit the model of the invention to be protected with the possible embodiment of the embodiment explanation present invention below
Farmland, in advance statement.
Fig. 1 to 6 is refer to, it shows the preferred embodiment of the present invention, the tool cover of replaceable driving head of the invention
Group 1 includes a female connector 10, an overcoat 20 and an at least limited part 30.
Female connector 10 is provided with relative a storage tank 11 and a drive end 12, and the inwall of storage tank 11 is provided with most axially extending
Fin 13 and most grooves 14 between these fins 13, in a radial section, each fin 13, which has, one to be connected to
Convex arc 131 between two grooves 14, in other words, the both ends of each groove 14 are straight or contrary flexure be connected with adjacent two convex arc 131.
Furtherly, the extension of adjacent two convex arc 131 is appointed not intersect in the range of female connector 10 (as shown in Figures 4 and 5), that is,
Each fin 13 has the cambered surface of a large radius of curvature, can reduce contact friction and be advantageous to relative motion.Storage tank 11 it is recessed
Groove 14 for a driving head 40 the grafting of polygonal ballhead 41, driving head 40 include one located at polygonal ballhead 41 relatively above
Radial flange 42.Wherein, because each fin 13 has the cambered surface of a large radius of curvature, the polygonal spherical of driving head 40 is advantageous to
First 41 rotate in storage tank 11.It is preferred that notch peristoma of the female connector 10 along storage tank 11 is provided with a first annular lead angle 15, the
One annular lead angle can be in inclined-plane, or can design in arc surfaced.First annular lead angle 15 contribute to driving head 40 rotation and partially
Swinging.In the present embodiment, drive end 12 is set to a polygonal for being available for a joint (such as joint of turning tool) grafting
Hole is connect, one can be also set to and be available for a polygonal extension bar for connecing hole (such as turning tool connect hole) socket.
Overcoat 20 can limit the earth's axis mutually and is connected to sliding sleeve outside female connector 10, and overcoat 20 can be slid in one with respect to female connector 10
First position and a second place.Overcoat 20 is in one end and radially extends provided with a positioning sleeve edge 21 and recessed provided with one in inwall
Convex portion 23 of the portion 22 and one relative to recess 22 for protrusion.In radially, the cuff size that positioning sleeve edge 21 defines is not less than appearance
Put the notch of groove 11.In the present embodiment, positioning sleeve edge 21 and storage tank 11 form a step shape, do not interfere with driving head so
40 rotation and deflection angle.It is preferred that running-on peristoma of the overcoat 20 along positioning sleeve edge 21 is provided with one second annular lead angle 24, the
One and the second annular lead angle 15,24 one-tenth inside and outside configurations and be in generally scalariform, so help to the rotation of driving head 40 and can deflection angle
Degree.
In the present embodiment, an elastic component 50 has been abutted between female connector 10 and overcoat 20, elastic component 50 is for example but unlimited
For coil spring and it is sheathed between female connector 10 and overcoat 20, the both ends of elastic component 50 are butted in female connector 10 and overcoat 20 respectively,
To make female connector 10 with overcoat 20 with trend away from each other.Specifically, overcoat 20 is socketed a limit in one end inwall close-fitting
Position ring 60, and female connector 10 has radially extended a shoulder 16, elastic component 50 is then butted between spacing ring 60 and shoulder 16.Spacing ring
60 are not contacted with female connector 10, and such female connector 10 spacingly relative can be slided mutually with overcoat 20.
The quantity of limited part 30 is three in the present embodiment, can be so more than one, two or three.It is preferred that this
It is distributed, each limited part 30 is located therein a fin 13 and located between female connector 10 and overcoat 20, limits a little grade angular distances of limited part 30
Product 30 is optionally protruded from storage tank 11.Say in more detail, limited part 30 is a spheroid, and limited part 30, which is located in, to be connect
It is in the perforation of set 10 and movable in perforation, limited part 30 or other aspheres structures, as long as restriction effect can be provided
.
Please further coordinate with reference to figure 7 to Fig. 9, when overcoat 20 is located at first position (such as Fig. 6 and 7), convex portion 23 is supported
Limited part 30 and protrude from storage tank 11 and limited part 30 the polygonal block of ballhead 41 can be limited in storage tank 11 (because
Now, the radial distance of convex portion 23 and the inwall of female connector 10 is less than the maximum radial dimension of polygonal ballhead 41), driving head 40 is nothing
Method departs from from storage tank 11；When overcoat 20 is located at first position and radial flange 42 is positioned set edge 21 and is limited in running-on
(such as Fig. 6), driving head 40 can not relatively rotate with female connector 10, can limit driving head 40 and not carry out pivot pendulum with respect to female connector 10；When outer
When set 20 is located at first position and when radial flange 42 is not located in running-on (such as Fig. 7), driving head 40 is able to polygonal ballhead 41
For centring point, relative female connector 10 carries out pivot pendulum；When overcoat 20 is located at the second place (such as Fig. 8), recess 22 is relative to limited part 30
And limited part 30 can setback recess 22 and polygonal ballhead 41 can by extract out or inserted in storage tank 11 in storage tank 11 (because
Now, the radial distance of convex portion 23 and the inwall of female connector 10 is more than the maximum radial dimension of polygonal ballhead 41)；When polygonal ballhead
After 41 remove storage tank 11, elastic component 50 makes female connector 10 and the automatic resetting of overcoat 20 to first position (such as Fig. 9).
In another preferred embodiment as shown in Figure 10 and 11, the instrument set group 1a of replaceable driving head overcoat
20a has a positioning sleeve edge 21a, wherein axially to see it, positioning sleeve edge 21a is least partially overlapped in a footpath of a driving head 40
To between the female connector 10 of flange 42 and one.More specifically, positioning sleeve edge 21a top surface is arranged with one first rank portion 211, and this first
Running-on peristoma of the rank portion 211 along positioning sleeve edge 21a is set.With this, when overcoat 20a moves towards the second place, can take advantage of a situation simultaneously
Remove driving head 40 and be beneficial to change driving head 40.
It will be appreciated that in the another embodiment as shown in Figure 12 and 13, the tool cover of a replaceable driving head
Group 1b also can be arranged with a second-order portion 421 in a radial flange 42a of a driving head 40a bottom surface, wherein with axial sight
It, the least partially overlapped positioning sleeve edge 21 in an overcoat 20 in the second-order portion 421, so when overcoat 20 moves towards the second place
When dynamic, it equally can simultaneously take advantage of a situation and remove driving head 40a and be beneficial to change driving head 40a.
In another preferred embodiment as shown in Figure 14 and 15, the instrument set group 1c of replaceable driving head female connector
A 10a top surface is arranged with one the 3rd rank portion 17, and storage tank 11a of the 3rd rank portion 17 along female connector 10a notch inner edge is set,
The radial flange 42 for being located at first position and a driving head 40 as the instrument set group 1c of replaceable driving head overcoat 20b is limited
When in the 3rd rank portion 17 (as shown in figure 14), driving head 40 can not relatively rotate with female connector 10a；When overcoat 20b is located at first
During position and radial flange 42 is not located at when in the 3rd rank portion 17 (as shown in figure 15), and driving head 40 is able to polygonal ballhead 41 and is
Centring point and relative female connector 10a carries out pivot pendulum.
The present invention also provides a kind of instrument 2 of replaceable driving head, and the instrument 2 of the replaceable driving head includes an as above institute
Instrument set group 1,1a, 1b, the 1c for any replaceable driving head stated, the instrument 2 of the replaceable driving head also include a driving
First 40, driving head 40 has the radial flange 42 relatively above that polygonal ballhead 41 and one is located at polygonal ballhead 41, driving
First 40 are removedly plugged in the storage tank 11 of female connector 10.
, can be simply by the relative slip of overcoat and female connector, you can be rapidly driven head via said structure
Replacement operation, easily and fast, and the instrument of replaceable driving head and its set group component are simple, easy to manufacture and assembling.
Also, because the inwall of storage tank has multiple fins, and the cambered surface that these fins have large radius of curvature (connects
Contacting surface), it, which is essentially only with polygonal ballhead, is contacted and non-face contact, and these fins are arranged at intervals, and are to provide
There is the space swung for polygonal ballhead, be advantageous to driving head extremely swimmingly can put with respect to female connector pivot, and be fully solved known
When high speed rotates the problem of locked card is worked as, and being greatly decreased due to frictional resistance can occur for structure, can be more convenient to use
Person operates, and operating efficiency is substantially improved.
In addition, stepped structure that can be overlapped can be provided with the radial flange of overcoat or driving head, when overcoat is towards second
When position is moved, it can simultaneously take advantage of a situation and remove driving head and be beneficial to change driving head.
In summary, in overall construction design of the invention, practicality and benefit, strictly comply fully with industry and develop
Required and disclosed architecture invention is also to have unprecedented innovative structure, thus its have " novelty " should without doubt,
The present invention can have more the enhancement of effect compared with known features again, therefore also have " progressive ".
Claims (11)
1. the instrument set group of replaceable driving head, it is characterised in that including：
One female connector, provided with relative a storage tank and a drive end, the inwall of the storage tank is provided with most axially extending fins
And most grooves between these fins, in a radial section, each fin have one be connected to it is convex between two grooves
Arc, the extension of adjacent two convex arc is appointed not intersect in the range of the female connector, the groove of the storage tank is one polygonal for a driving head
Ballhead grafting；
One overcoat, the earth's axis can be limited mutually and is connected to sliding sleeve outside the female connector, it is recessed relative to this provided with a recess and one in inwall
Portion is the convex portion of protrusion, and the overcoat can be slid with respect to the female connector in a first position and a second place；
An at least limited part, it is located therein the fin and located between the female connector and the overcoat, optionally protrudes from this
In storage tank；
Wherein, when the overcoat is located at the first position, the convex portion is supported the limited part and protruded from the storage tank and the limit
The polygonal ballhead block can be limited in the storage tank by product；
Wherein, when the overcoat is located at the second place, the recess relative to the limited part and the limited part energy setback recess
And the polygonal ballhead can be by extracting out in the storage tank.
2. the instrument set group of replaceable driving head as claimed in claim 1, it is characterised in that the female connector is along the storage tank
Notch peristoma be provided with a first annular lead angle.
3. the instrument set group of replaceable driving head as claimed in claim 1, it is characterised in that radially prolong the described one end that is coated at
Stretch and be provided with a positioning sleeve edge, in radially, the size for the running-on that the positioning sleeve edge defines is not less than the notch of the storage tank,
The driving head also includes a radial flange relatively above for being located at the polygonal ballhead, when the overcoat is positioned at described the
One position and when the radial flange is limited in the running-on by the positioning sleeve edge, the driving head can not with the female connector
Relatively rotate；When the overcoat is located at the first position and when the radial flange is not located in the running-on, the drive
Dynamic head is able to the polygonal ballhead, and for centring point, relatively described female connector carries out pivot pendulum.
4. the instrument set group of replaceable driving head as claimed in claim 3, it is characterised in that the overcoat is along the positioning sleeve
The running-on peristoma of edge is provided with one second annular lead angle.
5. the instrument set group of replaceable driving head as claimed in claim 4, it is characterised in that the female connector is along the storage tank
Notch peristoma be provided with a first annular lead angle, running-on peristoma of the overcoat along the positioning sleeve edge is led provided with one second annular
Angle, first and second annular lead angle is into inside and outside configuration.
6. the instrument set group of replaceable driving head as claimed in claim 3, it is characterised in that the positioning sleeve edge and the appearance
Put groove and form a step shape.
7. the instrument set group of replaceable driving head as claimed in claim 3, it is characterised in that axially to see it, the positioning
It is least partially overlapped between the radial flange and the female connector to cover edge.
8. the instrument set group of replaceable driving head as claimed in claim 7 a, it is characterised in that top surface of the positioning sleeve edge
One first rank portion is arranged with, running-on peristoma of the first rank portion along the positioning sleeve edge is set.
9. the instrument set group of replaceable driving head as claimed in claim 1, it is characterised in that in the female connector and the overcoat
Between abut have an elastic component.
10. the instrument set group of replaceable driving head as claimed in claim 1 a, it is characterised in that top surface of the female connector is recessed
Provided with one the 3rd rank portion, notch inner edge of the 3rd rank portion along the storage tank is set, and the driving head is also located at institute including one
The radial flange relatively above of polygonal ballhead is stated, when the overcoat is located at the first position and the radial flange is limited
When in the 3rd rank portion, the driving head can not relatively rotate with the female connector；When the overcoat is located at described first
When putting and when the radial flange is not located in the 3rd rank portion, the driving head is able to the polygonal ballhead as centring point and phase
Pivot pendulum is carried out to the female connector.
11. a kind of instrument of replaceable driving head, including the replaceable driving described in just like claim 1 to 10 any of which item
The instrument set group of head, it is characterised in that also include：
One driving head, the radial flange relatively above of the polygonal ballhead is located at a polygonal ballhead and one, can be removed
Ground is plugged in the storage tank of the female connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410393835.8A CN105437165B (en) | 2014-08-12 | 2014-08-12 | The instrument and its set group of replaceable driving head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410393835.8A CN105437165B (en) | 2014-08-12 | 2014-08-12 | The instrument and its set group of replaceable driving head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105437165A CN105437165A (en) | 2016-03-30 |
| CN105437165B true CN105437165B (en) | 2017-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410393835.8A Active CN105437165B (en) | 2014-08-12 | 2014-08-12 | The instrument and its set group of replaceable driving head |
Country Status (1)
| Country | Link |
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| CN (1) | CN105437165B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242677A (en) * | 2018-03-08 | 2019-09-17 | 原利兴工业有限公司 | Two-period form universal joint |
| TWI673443B (en) * | 2018-08-30 | 2019-10-01 | 原利興工業有限公司 | Two-stage universal joint |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3107505A (en) * | 1961-02-15 | 1963-10-22 | Hague Mfg Company | Universal joint |
| US4065941A (en) * | 1975-05-16 | 1978-01-03 | Koto Sangyo Kabushiki Kaisha | Universal joint |
| US7278342B1 (en) * | 2006-03-21 | 2007-10-09 | Sheng Ming Chang | Tool connecting device |
| CN201437228U (en) * | 2009-07-30 | 2010-04-14 | 彭政嘉 | Universal joint with changeable tool component |
| CN202572346U (en) * | 2012-05-14 | 2012-12-05 | 陈佳益 | Two-section type tool joint |
-
2014
- 2014-08-12 CN CN201410393835.8A patent/CN105437165B/en active Active
Also Published As
| Publication number | Publication date |
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| CN105437165A (en) | 2016-03-30 |
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