CN1286614C - Clamping structure - Google Patents
Clamping structure Download PDFInfo
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- CN1286614C CN1286614C CN 200310117171 CN200310117171A CN1286614C CN 1286614 C CN1286614 C CN 1286614C CN 200310117171 CN200310117171 CN 200310117171 CN 200310117171 A CN200310117171 A CN 200310117171A CN 1286614 C CN1286614 C CN 1286614C
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- transmission shaft
- power transmission
- axis hole
- hole
- power
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Abstract
The present invention discloses a chuck structure which comprises a main body, an axial positioning structure of a transmission shaft, a control sleeve unit, a movable rear shell, a spring and a rotary-direction reinforced positioning structure of a rotary shaft, wherein the upper section of the main body is provided with a power shaft hole, the lower section is provided with a cutting tool penetrating hole, and the power shaft hole can be penetrated through by a positioning part of the transmission shaft; the axial positioning structure of the transmission shaft is arranged on the wall surface of the power shaft hole, and the surface of the positioning part of the transmission shaft is provided with at least one groove in which an element of the axial positioning structure of the transmission shaft is embedded; the combined diameter the control sleeve unit is pivoted and sheathed on the outside of the lower section of the main body; the combined diameter of the movable rear shell is pivoted and sheathed with the outside of the upper section of the main body and can be controlled so as to axially move repeatedly; the spring is penetrated through the outside between the control sleeve unit and the movable rear shell; the rotary-direction reinforced positioning structure of the rotary shaft is arranged on the hole wall of the power shaft hole and the surface of the positioning part of the transmission shaft so that the transmission shaft is rotationally position in the power shaft hole. When combined in the transmission shaft, the chuck structure of the present invention is rotationally and axially positioned, and the transmission shaft can drive the chuck structure to rotate in a positive or a negative direction so as to matching the cutting tool at the lower part to be suitable for a process mode of the requirements of the positive rotation tool feed and the reverse rotation tool retract.
Description
Technical field
The present invention relates to a kind of chuck structure.
Background technology
Conventional clip and power transmission shaft periwinkle collecting line juncture make the rotary power of power transmission shaft reach chuck.Yet the technology that is threadedly engaged with only can make power transmission shaft drive the chuck rotation toward the direction of the tight lock of screw thread, and backward rotation is screw thread and uncages and will chuck be separated with power transmission shaft.So the technology that chuck engages with power transmission shaft periwinkle collecting line also is not suitable for the cooked mode that needs the reverse rotation withdrawing.
Summary of the invention
The object of the present invention is to provide a kind of chuck structure, it is more simple, fast to make chuck be incorporated into the technology of power transmission shaft, make simultaneously power transmission shaft can forward and backward to driving chuck, be applicable to the cooked mode that need just change feed and counter-rotating withdrawing.
For achieving the above object, the present invention adopts following design: a kind of chuck structure is characterized in that: it mainly comprises:
One body, epimere portion establishes a power axis hole, and hypomere portion establishes a cutter and pierces the hole; This power axis hole is worn for the location division pivot of a power transmission shaft;
One power transmission shaft axial positioning structure is located at the wall of this power axis hole, and one is the element that can radially move back and forth along this wall, and the footpath when inwardly moving to extreme position the part of this element protrude from this power axis hole; The groove of the element embedding system of this power transmission shaft axial positioning structure of at least one confession is established on the surface, location division of this power transmission shaft;
One control cover group, pivot is placed in outside this body hypomere portion;
One movable back cover, pivot are placed in outside this body epimere portion and can be controlled and axially move back and forth, and radially protrude or recess this power axis hole with the element of controlling this power transmission shaft axial positioning structure;
One spring, the basis that is set between this control cover group and this activity back cover is external;
One power transmission shaft rotation direction is strengthened location structure, is located at the surface, location division of this power axis hole hole wall and this power transmission shaft, and the power transmission shaft rotation direction is positioned in this moving axis hole.
The progressive effect of invention: the present invention can finish the clutch of chuck structure and power transmission shaft to push away the action of pulling out movable back cover, convenient location fast really, power transmission shaft can just or reverse and drive the chuck structure rotation, cooperates the cutter under it to be applicable to the cooked mode that need just change feed and counter-rotating withdrawing.
Description of drawings
Fig. 1: three-dimensional exploded view of the present invention.
Fig. 2: combination appearance figure of the present invention.
Fig. 3 A: profilograph of the present invention ().
Fig. 3 B: profilograph of the present invention (two).
Fig. 4: first of the 4-4 profile of Fig. 3 A and power transmission shaft and power axis hole implemented illustration.
Fig. 5: second of power transmission shaft of the present invention and power axis hole implemented illustration.
Fig. 6: the 3rd of power transmission shaft of the present invention and power axis hole implemented illustration.
Fig. 7: the 7-7 profile of Fig. 3 A and cutter and cutter pierce second of hole and implement illustration.
Fig. 8: cutter of the present invention and cutter pierce the 3rd of hole and implement illustration.
The specific embodiment
Chuck structure of the present invention comprises:
One body 100, as Fig. 1, Fig. 2, Fig. 3 A, its central authorities run through with axis hole, the inwall in hole is to internal shaping one flange 11, and this flange 11 is divided into upper and lower two sections portions with axis hole, and epimere portion is a power axis hole 120, hypomere portion is that cutter pierces hole 13, can close the footpath for the location division 81 of a cutter 80 and be through at wherein; This cutter pierces the nearly open end hole wall rings down in hole 13 and establishes a baffle ring 50, and drilling cuttings or dust infiltrate this cutter and pierce in the hole 13 when preventing cutter 80 work;
One cutter axial positioning structure, as Fig. 1, Fig. 2, Fig. 3 A, establish at least one hole 14 in the wall that body 100 relative these cutters pierce hole 13, fill out in this hole 14 and establish a ball 20, this hole 14 has radially enlarged variation from inside to outside, so that ball 20 is inserted in the outer end by the hole, and by the inner in hole with ball 20 in the block that protrudes from cutter appropriateness when piercing hole 13, prevent that ball 20 from being dropped by the inner in hole; At least one recessed pearl groove 82 is established on 81 surfaces, location division of this cutter 80, and location division 81 penetrates this cutter and pierces in the hole 13, and the part beading of this ball 20 is snapped in this pearl groove 82, according to this with cutter 80 axial location;
One cutter rotation direction is strengthened location structure, as Fig. 1, the be shaped bossy body 15 of at least one strip of the hole wall that pierces hole 13 in this cutter, a cannelure 83 is established in the location division 81 of this cutter 80, so that this location division 81 penetrates this cutter and pierces hole 13, this bossy body 15 is embedded in this cannelure 83;
One control cover group as Fig. 1, Fig. 2, Fig. 3 A, comprises a movable sleeve 40, one flexible shell 43; This movable sleeve 40 closes the footpath pivot and is placed in the hypomere portion of this body 100, and the bottom also gives block by the block body 16 of these body 100 ends, and these movable sleeve 40 inwall rings are established a bead returning groove 42, and these bead returning groove 42 upper limbs extend an inclined-plane 421; The shell 43 tight fit pivots that should stretch are placed in the outside of this movable sleeve 40, are a body that is available for users to grip;
One power transmission shaft axial positioning structure, as Fig. 1, Fig. 2, Fig. 3 A, Fig. 3 B, be located at the wall of this power axis hole 120, at least one element 200 that can radially move back and forth along this wall, and the footpath when inwardly moving to extreme position the part of this element 200 protrude from the power axis hole 120; The embodiment of the invention is established at least one hole 140 in the wall of body 100 relative these power axis holes 120, fill out in this hole 140 and establish a ball 200, this hole 140 has radially enlarged variation from inside to outside, so that ball 200 is inserted in the outer end by the hole, and, prevent that ball 200 from being dropped by the inner in hole by the inner in hole block with ball 200 appropriateness when protruding from power axis hole 120; At least one recessed pearl groove 92 is established on 91 surfaces, location division of this power transmission shaft 90, so that location division 91 penetrates in this power axis hole 120, the part beading of this ball 200 is snapped in this pearl groove 92, and whole according to this chuck structure even is fixed on the power transmission shaft 90.
One power transmission shaft rotation direction is strengthened location structure, as Fig. 1, Fig. 4, in the be shaped bossy body 150 of at least one strip of the hole wall of this power axis hole 120, a cannelure 93 is established in the location division 91 of this power transmission shaft 90, so that this location division 91 penetrates in this power axis hole 120, this bossy body 150 is embedded in this cannelure 93;
One movable back cover 480, as Fig. 1, Fig. 2, Fig. 3 A, Fig. 3 B, these activity back cover 480 pivots are placed in this body 100 epimere portions, and are coating the epimere portion surface of this flexible shell 43, a C type clasp 101 axial blocks are established on these body 100 tops should activity back cover 480, avoids its axial disengaging.These activity back cover 480 inwall rings are established a bead returning groove 481; These bead returning groove 481 lower edges extend an inclined-plane 482;
One spring 45, as Fig. 1, Fig. 3 A, Fig. 3 B, be sheathed on outside the body 100 between this activity back cover 480 and this movable sleeve 40, it plays tension force provides the movable sleeve under it 40 1 past normality strength that press down, with these balls 20 of inclined-plane 421 pushing and pressing of this movable sleeve 40, make its radially convex pierce hole 13 for this cutter, simultaneously, this inclined-plane 421 will provide the strength of these ball 20 1 inside contacts, this ball 20 be got tightly be formed in the pearl groove 82 of this cutter 80.The normality strength that this spring 45 also provides the movable back cover 480 1 on it up to push away, so that inclined-plane 482 these balls 200 of pushing and pressing that should activity back cover 480, make its radially convex for this power axis hole 120, simultaneously, this inclined-plane 482 will provide the strength of these ball 200 1 inside contacts, this ball 200 be got tightly be formed in the pearl groove 92 of this power transmission shaft 90.
During clip cutter 80, the user up pushes away and pulls out this flexible shell 43, this movable sleeve 40 is driven up by flexible shell 43 and moves, 42 pairs of this bead returning grooves should ball 20, when the location division 81 of cutter 80 is penetrated this cutter and pierces hole 13, this location division 81 can promote this ball 20, it radially is retracted in this bead returning groove 42, wear for to be positioned 81 to close and pierce in the hole 13 in whole cutter, loosen this flexible shell 43, these spring 45 elasticity are released and can be promoted movable sleeve 40 and flexible shell 43 resets, and the movable sleeve 40 that resets goes in the pearl groove 82 of cutter 80 its convex clip ball 20 radial push, and this cutter 80 is axially located.Otherwise, loose also up pushing away to pull out this flexible shell 43 from cutter 80, down pull out cutter 80 again and get final product.
The clip of this chuck structure and power transmission shaft 90 and the pine from, as Fig. 3 A, Fig. 3 B, the user down pushes this activity back cover 480, make the flexible shell 43 in the bottom of movable back cover 480 and its below touch to the time, 481 pairs of this bead returning grooves should ball 200, provides ball 200 radially to recess the space of power axis hole 120; This moment, this power axis hole 120 can allow the location division 91 of power transmission shaft 90 penetrate, this location division 91 can promote this ball 200, it radially is retracted in this bead returning groove 481, wear for to be positioned 91 and close in whole power axis hole 120, loosen this activity back cover 480, these spring 45 elasticity are released to move on the energy promotion activity back cover 480 and are resetted, and the movable back cover 480 that resets goes in the pearl groove 92 of power transmission shaft 90 its convex clip ball 200 radial push, and this chuck structure promptly is positioned on the power transmission shaft 90.Otherwise, unload chuck structure and also down push this activity back cover 480, down unload chuck again and get final product.
In a single day chuck structure of the present invention is incorporated into power transmission shaft 90 promptly by rotation direction and axial location, and power transmission shaft 90 can just or reverse and drive the chuck structure rotation, cooperates the cutter 80 under it to be applicable to the cooked mode that need just change feed and counter-rotating withdrawing.
As Fig. 5, Fig. 6, the location division 91 of power transmission shaft 90 is designed to polygonal cylinder 911,912 as hexagon or square, certainly power axis hole 121,122 also is relative section configuration, reaches the function that the power transmission shaft rotation direction adds strong fix equally by the combination technology of polygonal Kong Zhu.
The described technological concept of epimere also can be applicable to cutter 80 and cutter pierces hole 13, as Fig. 7, Fig. 8, the location division 81 of this cutter 80 is that polygonal cylinder 811,812 is as hexagon or square, certainly this cutter pierces hole 131,132 and is relative section configuration, reaches the function that the cutter rotation direction adds strong fix equally by the combination technology of polygonal Kong Zhu.
Though this case is to do explanation with two most preferred embodiments, is skillful in this skill person and can makes various multi-form changes not breaking away under this case spirit and the category.Above illustrated embodiment is only in order to explanation this case, and is non-in order to limit the scope of this case.Such as do not disobey various modifications or the variation that this case spirit is engaged in, all belong to this case claim.
Claims (6)
1. chuck structure, it is characterized in that: it mainly comprises:
One body (100), epimere portion establishes a power axis hole (120), and hypomere portion establishes a cutter and pierces hole (13); This power axis hole (120) is worn for location division (91) pivot of a power transmission shaft (90);
One power transmission shaft axial positioning structure is located at the wall of this power axis hole (120), is an element (200) that can radially move back and forth along this wall, and the part of footpath this element (200) when inwardly moving to extreme position protrudes from this power axis hole (120); The groove (92) of element (200) the embedding system of this power transmission shaft axial positioning structure of at least one confession is established on the surface, location division (91) of this power transmission shaft (90);
One control cover group (40), (43), pivot is placed in outside this body hypomere portion;
One movable back cover (480), pivot are placed in outside this body (100) epimere portion and can be controlled and axially move back and forth, and radially protrude or recess this power axis hole (120) with the element (200) of controlling this power transmission shaft axial positioning structure;
One spring (45) is set in outside the body (100) between this control cover group (40), (43) and this activity back cover (480);
One power transmission shaft rotation direction is strengthened location structure, is located at the surface, location division (91) of this power axis hole (120) hole wall and this power transmission shaft (90), and power transmission shaft (90) is positioned in this moving axis hole (120).
2. chuck structure as claimed in claim 1, it is characterized in that: this power transmission shaft axial positioning structure in body (100) relatively the wall of this power axis hole (120) establish at least one hole (140), fill out in this hole (140) and establish a ball (200), this ball (200) footpath inwardly moves to its part beading of extreme position and protrudes from this power axis hole (120); At least one recessed pearl groove (92) is established on the surface, location division (91) of this power transmission shaft (90), and the part beading that this ball (200) protrudes from power axis hole (120) can snap in this pearl groove (92); This activity back cover (480) inwall ring is established a bead returning groove (481), and this ball (200) outwards moves along body (100) wall footpath can fall into this bead returning groove (481).
3. chuck structure as claimed in claim 1 is characterized in that: it is the bossy body (150) of being located at this power axis hole (120) inwall that this power transmission shaft rotation direction is strengthened location structure; A cannelure (93) is established in the location division (91) of this power transmission shaft (90), and this location division (91) penetrate this power axis hole (120), and this bossy body (150) embeds in this cannelure (93).
4. chuck structure as claimed in claim 1 is characterized in that: this power transmission shaft rotation direction reinforcement location structure system is made as polygonal cylinder with the location division (911) of this power transmission shaft (90), and this power axis hole (120) is polygonal section configuration.
5. chuck structure as claimed in claim 4 is characterized in that: the location division (911) of this power transmission shaft (90) is the hexagonal cylinder.
6. chuck structure as claimed in claim 4 is characterized in that: the location division (912) of this power transmission shaft (90) is a rectangular cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310117171 CN1286614C (en) | 2003-12-04 | 2003-12-04 | Clamping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310117171 CN1286614C (en) | 2003-12-04 | 2003-12-04 | Clamping structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1623727A CN1623727A (en) | 2005-06-08 |
| CN1286614C true CN1286614C (en) | 2006-11-29 |
Family
ID=34760920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310117171 Expired - Fee Related CN1286614C (en) | 2003-12-04 | 2003-12-04 | Clamping structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1286614C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551885B (en) * | 2013-11-07 | 2016-03-02 | 重庆重汽远东传动轴有限责任公司 | Power transmission shaft screw thread process positioner |
| CN104224276B (en) * | 2014-09-03 | 2017-02-01 | 苏州益诺斯医疗科技有限公司 | Multilevel reinforced minitype abrasive drill |
| CN104858467A (en) * | 2015-06-05 | 2015-08-26 | 赵士立 | Rotation driving type drilling mechanism |
-
2003
- 2003-12-04 CN CN 200310117171 patent/CN1286614C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1623727A (en) | 2005-06-08 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |