CN103203711B - Crossover sub - Google Patents
Crossover sub Download PDFInfo
- Publication number
- CN103203711B CN103203711B CN201210013240.6A CN201210013240A CN103203711B CN 103203711 B CN103203711 B CN 103203711B CN 201210013240 A CN201210013240 A CN 201210013240A CN 103203711 B CN103203711 B CN 103203711B
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- CN
- China
- Prior art keywords
- mandrel
- spheroid
- protheca
- rear cover
- open slot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention discloses a kind of crossover sub, comprise mandrel, protheca, rear cover and spheroid, the mounting groove of an axis is provided with inside mandrel one end, the sidewall of this mandrel one end is provided with at least one open slot extended along mandrel length direction, this open slot is communicated with inside and outside mandrel, spheroid be able to be placed in this open slot, and spheroid can to extend in mounting groove near local, the side of mandrel mounting groove and not to drop, protheca fixed cover is located at outside mandrel one end, the truncated cone hole that one end internal diameter is less than other end internal diameter is provided with in described protheca, a loop gap is formed between outside truncated cone hole inside protheca and mandrel, rear cover axially can move axially and be inserted in gap that mandrel and protheca formed, rear cover can drive spheroid to move along the open slot length direction on mandrel, spheroid dorsad mandrel open slot side only peaks at the truncated cone hole madial wall of protheca, its structure of the present invention is simple, low cost of manufacture, easy to use, more time saving and energy saving.
Description
Technical field
The present invention relates to the technical field of chuck, refer to a kind of crossover sub being applicable to hexagon screwdriver head especially.
Background technology
Existing plinth all coordinates the motion of control first spheroid by overcoat and rear cover, this kind of complex structure, and it is convenient not to use, and manufacture and assemble difficulty greatly, processing cost is high.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of crossover sub, this crossover sub structure is simple, free of a burden when screwdriver head exits, and also not easily drops on the ground, easy to use.
The technical scheme that the present invention adopts to solve its technical problem: a kind of crossover sub, comprise mandrel, protheca, rear cover and spheroid, the mounting groove supplying screwdriver head to plug being provided with an axis inside mandrel one end (is generally hex slot, be convenient to coordinate with the hexagonal of screwdriver head is stupefied), the sidewall of this mandrel one end is provided with at least one open slot extended along mandrel length direction, this open slot is communicated with inside and outside mandrel, spheroid be able to be placed in this open slot, and spheroid can to extend in mounting groove near local, the side of mandrel mounting groove and not to drop, protheca fixed cover is located at outside mandrel one end, the truncated cone hole that one end internal diameter is less than other end internal diameter is provided with in described protheca, a loop gap is formed between outside truncated cone hole inside protheca and mandrel, rear cover axially can move axially and be inserted in gap that mandrel and protheca formed, rear cover can drive spheroid to move along the open slot length direction on mandrel, spheroid dorsad mandrel open slot side only peaks at the truncated cone hole madial wall of protheca, described rear cover one end lateral wall is the truncated cone hole face of mating with protheca other end madial wall, rear cover other end lateral wall is provided with radial protrusion, this radial protrusion backstop is in protheca other end end wall, the opening part of the truncated cone hole other end inside protheca is provided with step-like radial direction and extends out structure, during use, insert screwdriver head in mounting groove, rear cover and spheroid move to the mandrel other end, have between truncated cone hole madial wall now inside spheroid and protheca and dodge gap, screwdriver head makes rear cover with spheroid again to mandrel one end motion after being inserted into the end, in the radial groove that spheroid just falls into screwdriver head sidewall and spheroid both sides hold out against with the truncated cone hole madial wall of screwdriver head lateral wall and protheca gradually, so just screwdriver head is fixed, rear cover arranges radial protrusion, covering into the protheca degree of depth after preventing causes stuck phenomenon to occur excessively deeply, structure is extended out in protheca truncated cone hole other end setting table scalariform radial direction, there is guide effect, after ensureing, cover enters smoothly.
As a further improvement on the present invention, the quantity of described open slot is three, is uniformly distributed on mandrel sidewall.
As a further improvement on the present invention, the structure that described rear cover can drive spheroid to move along the open slot length direction on mandrel is: rear cover sidewall is provided with perforation, spheroid is inserted in this perforation, for one end internal diameter is less than the T-shaped hole of other end internal diameter inside rear cover, it is protruding that mandrel lateral wall is provided with a loop, also be provided with an elastic component, these elastic component two ends press closer the circular step face that inside circular protrusion on mandrel lateral wall and rear cover, T-shaped hole is formed respectively, when screwdriver head inserts, promote to overlap after spheroid drives to move to the mandrel other end, after screwdriver head is inserted into the end, after be enclosed within the effect of elastic force under promote spheroid to mandrel one end motion, screwdriver head is pushed down by the inclined-plane on protheca, when exiting screwdriver head, under external force, rear cover is pulled to the mandrel other end, spheroid is driven to move to the mandrel other end, spheroid departs from the inclined-plane of protheca, screwdriver head then can be extracted, screwdriver head can not drop automatically when pulling without external force, easy to use, except said structure can realize driving spheroid motion, also can be that rear cover one end wall stops outside top and spheroid, rear cover is connected with mandrel thread, make rear cover movable and then press closer spheroid and make spheroid by rotating rear cover, spheroid is moved along mandrel length direction, also or spheroid join to be connected with rear cover one end and also can realize this function.
As a further improvement on the present invention, the cylinder groove with hex slot coaxial communication is also provided with inside described mandrel one end.
As a further improvement on the present invention, described spheroid is steel ball.
As a further improvement on the present invention, described elastic component is spring.
As a further improvement on the present invention, the described mandrel other end is also provided with a prism hole, and the sidewall in prism hole is provided with the positioning through hole be communicated with prism hole, is convenient to mandrel and is fixedly connected with the Power output position of machine.
The invention has the beneficial effects as follows: the present invention coordinates drive spheroid to move screwdriver head clamping and positioning along the open slot of mandrel by rear cover and protheca, its structure is simple, low cost of manufacture, only screwdriver head directly need be inserted during use, without the need to pulling rear cover, after screwdriver head inserts, screwdriver head is clamped by spheroid by elastic component immediately, pull a lower rear set screwdriver head can be extracted when screwdriver head exits, screwdriver head also not easily drops on the ground, easy to use, more time saving and energy saving.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is left view of the present invention;
Fig. 3 is right view of the present invention;
Fig. 4 be in Fig. 1 A-A to profile;
Fig. 5 is the first using state schematic diagram of the present invention;
Fig. 6 is the second using state schematic diagram of the present invention;
Fig. 7 is the 3rd using state schematic diagram of the present invention;
Fig. 8 is the 4th using state schematic diagram of the present invention;
Fig. 9 is the present invention and machine power output block connection diagram.
Below accompanying drawing is explained:
1---mandrel 2---spheroid 3---elastic component
11---mounting groove 12---cylinder groove 13---open slot
5---protheca 14---annular projection is overlapped after 4---
15---prism hole 16---positioning through hole 6---screwdriver head
Detailed description of the invention
Embodiment: a kind of crossover sub, comprise mandrel 1, protheca 5, rear cover 4 and spheroid 2, the mounting groove 11 supplying screwdriver head 6 to plug being provided with an axis inside mandrel 1 one end (is generally hex slot, be convenient to coordinate with the hexagonal of screwdriver head 6 is stupefied), the sidewall of this mandrel 1 one end is provided with at least one open slot 13 extended along mandrel 1 length direction, this open slot 13 is communicated with inside and outside for mandrel 1, spheroid 2 be able to be placed in this open slot 13, and spheroid 2 can to extend in mounting groove 11 near local, the side of mandrel 1 mounting groove 11 and not to drop, protheca 5 fixed cover is located at outside mandrel 1 one end, the truncated cone hole that one end internal diameter is less than other end internal diameter is provided with in described protheca 5, a loop gap is formed between outside truncated cone hole inside protheca 5 and mandrel 1, rear cover 4 axially can move axially and be inserted in gap that mandrel 1 and protheca 5 formed, rear cover 4 can drive spheroid 2 to move along open slot 13 length direction on mandrel 1, spheroid 2 dorsad mandrel 1 open slot 13 side only peaks at the truncated cone hole madial wall of protheca 5, described rear cover 4 one end lateral wall is the truncated cone hole face of mating with protheca 5 other end madial wall, rear cover 4 other end lateral wall is provided with radial protrusion, this radial protrusion backstop is in protheca 5 other end end wall, the opening part of the truncated cone hole other end inside protheca 5 is provided with step-like radial direction and extends out structure, during use, insert in screwdriver head 6 to mounting groove 11, rear cover 4 and spheroid 2 move to mandrel 1 other end, have between truncated cone hole madial wall now inside spheroid 2 and protheca 5 and dodge gap, screwdriver head 6 makes rear cover 4 with spheroid 2 again to mandrel 1 one end motion after being inserted into the end, in the radial groove that spheroid 2 just falls into screwdriver head 6 sidewall and spheroid 2 both sides hold out against with the truncated cone hole madial wall of screwdriver head 6 lateral wall and protheca 5 gradually, so just screwdriver head 6 is fixed, rear cover arranges radial protrusion, covering into the protheca degree of depth after preventing causes stuck phenomenon to occur excessively deeply, structure is extended out in protheca truncated cone hole other end setting table scalariform radial direction, there is guide effect, after ensureing, cover enters smoothly.
The quantity of described open slot 13 is three, is uniformly distributed on mandrel 1 sidewall.
The structure that described rear cover 4 can drive spheroid 2 to move along open slot 13 length direction on mandrel 1 is: rear cover 4 sidewalls are provided with perforation, spheroid 2 is inserted in this perforation, for one end internal diameter is less than the T-shaped hole of other end internal diameter inside rear cover 4, mandrel 1 lateral wall is provided with a loop projection 14, also be provided with an elastic component 3, these elastic component 3 two ends press closer the circular step face that inside circular protrusion on mandrel 1 lateral wall and rear cover 4, T-shaped hole is formed respectively, when screwdriver head 6 inserts, promoting spheroid 2 drives rear cover 4 to move to mandrel 1 other end, after screwdriver head 6 is inserted into the end, rear cover 4 promotes spheroid 2 to mandrel 1 one end motion under the effect of elastic force, screwdriver head 6 is pushed down by the inclined-plane on protheca 5, when exiting screwdriver head 6, under external force, rear cover 4 is pulled to mandrel 1 other end, spheroid 2 is driven to move to mandrel 1 other end, spheroid 2 departs from the inclined-plane of protheca 5, screwdriver head 6 can be extracted, screwdriver head 6 can not drop automatically when pulling without external force, easy to use, except said structure can realize driving except spheroid 2 moves, also can be that rear cover 4 one end wall stops outside top and spheroid 2, rear cover 4 is threaded with mandrel 1, make rear cover 4 movable and then press closer spheroid 2 and make spheroid 2 by rotating rear cover 4, spheroid 2 is moved along mandrel 1 length direction, also or spheroid 2 join to be connected with rear cover 4 one end and also can realize this function.
The cylinder groove 12 with hex slot coaxial communication is also provided with inside described mandrel 1 one end.
Described spheroid 2 is steel ball.
Described elastic component 3 is spring.
Described mandrel 1 other end is also provided with a prism hole 15, and the sidewall in prism hole 15 is provided with the positioning through hole 16 be communicated with prism hole 15, is convenient to mandrel 1 and is fixedly connected with the Power output position of machine.
Claims (7)
1. a crossover sub, it is characterized in that: comprise mandrel (1), protheca (5), rear cover (4) and spheroid (2), the mounting groove (11) plugged for screwdriver head (6) of an axis is provided with inside mandrel (1) one end, the sidewall of this mandrel (1) one end is provided with at least one open slot (13) extended along mandrel (1) length direction, this open slot (13) is communicated with inside and outside for mandrel (1), spheroid (2) be able to be placed in this open slot (13), and spheroid (2) spheroid (2) can to extend near local, the side of mandrel (1) mounting groove (11) in mounting groove (11) and not to drop, protheca (5) fixed cover is located at outside mandrel (1) one end, the truncated cone hole that one end internal diameter is less than other end internal diameter is provided with in described protheca (5), a loop gap is formed between the truncated cone hole of protheca (5) inner side and mandrel (1) outside, rear cover (4) axially can move axially and be inserted in gap that mandrel (1) and protheca (5) formed, rear cover (4) can drive spheroid (2) along open slot (13) the length direction motion on mandrel (1), spheroid (2) dorsad mandrel (1) open slot (13) side only peaks at the truncated cone hole madial wall of protheca (5), described rear cover (4) one end lateral wall is the truncated cone hole face of mating with protheca (5) other end madial wall, rear cover (4) other end lateral wall is provided with radial protrusion, this radial protrusion backstop is in protheca (5) other end end wall, the opening part of the truncated cone hole other end of protheca (5) inner side is provided with step-like radial direction and extends out structure.
2. crossover sub according to claim 1, is characterized in that: the quantity of described open slot (13) is three, is uniformly distributed on mandrel (1) sidewall.
3. crossover sub according to claim 1, it is characterized in that: the structure that described rear cover (4) can drive spheroid (2) to move along open slot (13) length direction on mandrel (1) is: rear cover (4) sidewall is provided with perforation, spheroid (2) is inserted in this perforation, for one end internal diameter is less than the T-shaped hole of other end internal diameter inside rear cover (4), mandrel (1) lateral wall is provided with a loop projection (14), also be provided with an elastic component (3), this elastic component (3) two ends press closer the circular step face that circular protrusion on mandrel (1) lateral wall and T-shaped hole, rear cover (4) inner side are formed respectively.
4. crossover sub according to claim 1, is characterized in that: be also provided with inside described mandrel (1) one end and the cylinder groove of hex slot coaxial communication (12).
5. crossover sub according to claim 1, is characterized in that: described spheroid (2) is steel ball.
6. crossover sub according to claim 3, is characterized in that: described elastic component (3) is spring.
7. crossover sub according to claim 1, it is characterized in that: described mandrel (1) other end is also provided with a prism hole (15), the sidewall of prism hole (15) is provided with the positioning through hole (16) be communicated with prism hole (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210013240.6A CN103203711B (en) | 2012-01-17 | 2012-01-17 | Crossover sub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210013240.6A CN103203711B (en) | 2012-01-17 | 2012-01-17 | Crossover sub |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103203711A CN103203711A (en) | 2013-07-17 |
| CN103203711B true CN103203711B (en) | 2015-12-30 |
Family
ID=48751224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210013240.6A Active CN103203711B (en) | 2012-01-17 | 2012-01-17 | Crossover sub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103203711B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199537B (en) * | 2017-07-12 | 2024-08-06 | 美事满工具(海安)有限公司 | Multifunctional chuck |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1349447A (en) * | 1999-05-03 | 2002-05-15 | 麦克斯泰克制造公司 | Quick-connect machanism |
| CN2523565Y (en) * | 2001-11-19 | 2002-12-04 | 昆山义成工具有限公司 | Quick chunk of tool |
| DE102006016804A1 (en) * | 2006-04-10 | 2007-10-11 | Robert Bosch Gmbh | Tool holder for a hammer drill |
| CN101244554A (en) * | 2007-02-16 | 2008-08-20 | 株式会社牧田 | Chuck mechanism of striking tool |
| CN101259609A (en) * | 2007-03-07 | 2008-09-10 | 株式会社牧田 | Mounting devices for bit of rotating tool |
| CN201693494U (en) * | 2010-07-05 | 2011-01-05 | 志拓有限公司 | Quick connector of opener |
| CN201728618U (en) * | 2010-03-24 | 2011-02-02 | 仲展实业有限公司 | Quick coupling structure |
| CN202462318U (en) * | 2012-01-17 | 2012-10-03 | 昆山义成工具有限公司 | Adapter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2551125C2 (en) * | 1975-11-14 | 1987-04-23 | Robert Bosch Gmbh, 7000 Stuttgart | Device on hand-held power tools for torque transmission |
| US7896355B2 (en) * | 2004-03-15 | 2011-03-01 | Wienhold James L | Dual size tool-bit holder |
-
2012
- 2012-01-17 CN CN201210013240.6A patent/CN103203711B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1349447A (en) * | 1999-05-03 | 2002-05-15 | 麦克斯泰克制造公司 | Quick-connect machanism |
| CN2523565Y (en) * | 2001-11-19 | 2002-12-04 | 昆山义成工具有限公司 | Quick chunk of tool |
| DE102006016804A1 (en) * | 2006-04-10 | 2007-10-11 | Robert Bosch Gmbh | Tool holder for a hammer drill |
| CN101244554A (en) * | 2007-02-16 | 2008-08-20 | 株式会社牧田 | Chuck mechanism of striking tool |
| CN101259609A (en) * | 2007-03-07 | 2008-09-10 | 株式会社牧田 | Mounting devices for bit of rotating tool |
| CN201728618U (en) * | 2010-03-24 | 2011-02-02 | 仲展实业有限公司 | Quick coupling structure |
| CN201693494U (en) * | 2010-07-05 | 2011-01-05 | 志拓有限公司 | Quick connector of opener |
| CN202462318U (en) * | 2012-01-17 | 2012-10-03 | 昆山义成工具有限公司 | Adapter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103203711A (en) | 2013-07-17 |
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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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220624 Address after: 226600 No.88, Kaifa Avenue, Hai'an Economic and Technological Development Zone, Nantong City, Jiangsu Province Patentee after: Meishiman tools (Hai'an) Co.,Ltd. Address before: No.10, xiongzhuang Road, Kunshan City, Suzhou City, Jiangsu Province 215301 Patentee before: KUNSHAN YICHENG TOOLS Co.,Ltd. |