CN203901193U - Multifunctional connecting rod - Google Patents
Multifunctional connecting rod Download PDFInfo
- Publication number
- CN203901193U CN203901193U CN201420275973.1U CN201420275973U CN203901193U CN 203901193 U CN203901193 U CN 203901193U CN 201420275973 U CN201420275973 U CN 201420275973U CN 203901193 U CN203901193 U CN 203901193U
- Authority
- CN
- China
- Prior art keywords
- inner sleeve
- middle cover
- elastic component
- foot piece
- stop
- 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.)
- Withdrawn - After Issue
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a multifunctional connecting rod. The two ends of an inner sleeve are provided with a mounting hole and a tail rod respectively. A first elastic part which can stretch and retract in the axial direction is arranged in the mounting hole. The sidewall of one end of the mounting hole is provided with at least three radial through holes. Roll balls can slide along the radial through holes in the axial direction. Stop devices for preventing the roll balls from falling into the mounting hole are arranged in the radial through holes. A check ring with a horn mouth in one end and a second elastic part are arranged at one end of the inner sleeve in a sleeved mode. The inner sidewall of the horn mouth of the check ring abuts against the roll balls. The other end of the check ring abuts against one end of the second elastic part. The other end of the second elastic part is fixed to the inner sleeve. A magnetic induction device is fixedly arranged on the inner sidewall of one end of a middle sleeve, and the inner sleeve is sleeved with the middle sleeve in a sliding mode. The other end of the magnetic induction device can push the check ring to move towards the tail rod. The middle sleeve is sleeved with an outer sleeve in a sliding mode. The front stop device and the rear stop device which are used for limiting the sliding distance of the outer sleeve are formed at the two ends of the middle sleeve respectively. The multifunctional connecting rod has the advantages that screws can be clamped and stabilized, operation is safe and the depth is visible and can be adjusted.
Description
Technical field
The utility model relates to a kind of screwdriver head clamping device, particularly a kind of Multifunctional connecting bar.
Background technology
Common screwdriver head clamping device structure is more complicated, function singleness, generally only there is screwdriver head clamping and change function, use very inconvenient, after screwdriver head is arranged on screwdriver head clamping device, when screw is operated with screwdriver head, need a hand to hold screwdriver head clamping device, another hand steered screw, or first screw can be entered to a segment distance operates screw with the screwdriver head on screwdriver head clamping device again, operate very inconvenient, also easily screw is installed partially, screw is when screwing in operation, due to screw High Rotation Speed, the break flour also easily throwing away in object even causes that screw throws away etc., cause human injury, screw is in locking, be difficult to grasp screw-in depth, easily cause screw-in excessively dark, torsion is excessive, cause object to break, also may screw in shallow, cause pulling capacity not enough, during use, lost efficacy etc.
Summary of the invention
In order to make up above deficiency, the utility model provides a kind of Multifunctional connecting bar, the installation that facilitates screwdriver head of this Multifunctional connecting bar, changes and the operation to screw, and it is simple in structure, multiple functional, easy to use.
The utility model for the technical scheme that solves its technical problem and adopt is: a kind of Multifunctional connecting bar, comprise overcoat, middle cover, inner sleeve, magnetic-inductive device, foot piece, baffle ring, ball and first, two elastic components, described inner sleeve one end is formed with the installing hole plugging for screwdriver head, foot piece is fixedly installed in the inner sleeve other end, the first elastic component is inserted in the installing hole of inner sleeve, first elastic component one end can be flexible along installing hole axial elasticity, stationary positioned inside the first elastic component other end and installing hole, the sidewall of inner sleeve installing hole one end is provided with at least three radial perforations, ball is just placed in this radial perforation and can slides along this radial perforation length direction, this radial perforation is formed with stop device towards inner sleeve axle center one side, this stop device can stop ball to be fallen in inner sleeve installing hole, baffle ring and the second elastic component are sheathed on respectively outside, inner sleeve one end, baffle ring one end is formed with horn mouth, this horn mouth madial wall is tight against ball outside, the baffle ring other end is tight against second elastic component one end, the second elastic component other end and inner sleeve lateral wall stop location, middle cover vertically slip cap is located at inner sleeve outside, on the madial wall of middle cover one end, be installed with magnetic-inductive device, on this magnetic-inductive device, be formed with the passage passing for screwdriver head, magnetic-inductive device can promote baffle ring towards one end of foot piece and move towards foot piece direction, overcoat vertically slip cap is located at middle cover outside, and stop device before and after middle cover two ends are formed with respectively, front and back stop device limits respectively overcoat towards the distance of axial two Slideslips.
As further improvement of the utility model, the described inner sleeve other end is provided with foot piece and plugs hole, the slotting stop of foot piece is inserted in this and plugs in hole, installing hole is the stepped hole that one end diameter is greater than other end diameter, and this stepped hole other end with plug hole and be communicated with, the inside, one end that installing hole diameter is large is stretched in first elastic component one end, and the first elastic component is volute spring, and one end stop sleeve that this volute spring diameter is large is located at foot piece one end.
As further improvement of the utility model, described middle cover other end inner side is formed with baffle ring, inner sleeve other end outside is arranged with the 3rd elastic component, the 3rd elastic component one end and inner sleeve lateral wall stop location, and the 3rd elastic component other end is tight against the baffle ring of the middle cover other end.
As further improvement of the utility model, the baffle ring of described middle cover other end inner side is the rear cover of one end diameter loop configuration of being less than other end diameter, one end stop that this rear cover diameter is little is inserted in middle cover other end inner side, rear cover one end is tight against the 3rd elastic component other end, and one end backstop that rear cover diameter is large is outside in the middle cover other end.
As further improvement of the utility model, in put before and after stop device limit respectively overcoat and towards the structure of the distance of axial two Slideslips be: the middle cover stop device of going forward is the jump ring that is embedded at outside, middle cover one end, in to put rear stop device be one end end face that rear cover diameter is large, the proper backstop of the end face of described overcoat towards foot piece one end is in the large one end end face of rear cover diameter, overcoat is formed with towards inner side, foot piece one end the backstop that a loop diameter inside contracts, and the proper backstop of this backstop is in the jump ring in middle cover outside.
As further improvement of the utility model, described overcoat is formed with the conical ring groove that a loop diameter increases gradually on the madial wall of foot piece one end, and this conical ring groove is just connected foot piece one end dorsad with backstop.
As further improvement of the utility model, be also provided with nut, this nut and middle cover other end outside are spirally connected, and this nut is between overcoat and rear cover.
As further improvement of the utility model, put outward and be also provided with transparent window, window edge is provided with the scale of arranging vertically.
As further improvement of the utility model, overcoat dorsad foot piece one end is also provided with positive stop, and this positive stop is provided with the positioning through hole coaxial with inner sleeve installing hole, and this positive stop towards the end face backstop of foot piece one end in the magnetic-inductive device of middle cover inner side.As further improvement of the utility model, be also provided with pushing block, described pushing block can slip cap be located at outside, inner sleeve one end, and the proper backstop of pushing block is in baffle ring one end, and magnetic-inductive device be able to be tight against pushing block one end.
The beneficial effects of the utility model are: the large merit of the utility model collection five is for one, and easy to use, simple to operate, modern design, in daily life, has purposes widely in production; Holding function can fast clamp and is changed screwdriver head, and one-hand operation is by screwdriver head automatic spring; Firm screw function makes magnetic-inductive device be positioned at installing hole front end, and absorption affinity is stronger; Safety operation function adopts scalable cover on long spiro nail, effectively prevents from pointing damaging, and works safer; Visual deeper function can clearly on the window of overcoat see that screw is locked into the degree of depth of object intuitively; The distance that adjustable-depth function is adjustable and fixed jacket is flexible, guarantees that it is predetermined depth that screw is locked the interior degree of depth continuously.
Accompanying drawing explanation
Fig. 1 is structural principle front view of the present utility model;
Fig. 2 is exploded view of the present utility model;
Fig. 3 is the utility model fast clamp and changes function the first state diagram;
Fig. 4 is the utility model fast clamp and changes function the second state diagram;
Fig. 5 is the utility model fast clamp and changes function third state figure;
Fig. 6 is the utility model fast clamp and changes function the 4th state diagram;
Fig. 7 is firm screw function the first state diagram of the utility model;
Fig. 8 is firm screw function the second state diagram of the utility model;
Fig. 9 is the utility model safety operation functional status figure;
Figure 10 is the visual deeper function state diagram of the utility model;
Figure 11 is the first state diagram of the utility model adjustable-depth function;
Figure 12 is the second state diagram of the utility model adjustable-depth function;
Figure 13 is the utility model adjustable-depth function third state figure.
The specific embodiment
Embodiment: a kind of Multifunctional connecting bar, comprise overcoat 1, middle cover 2, inner sleeve 3, magnetic-inductive device 4, foot piece 5, baffle ring 6, ball 7 and first, two elastic components 8, 9, described inner sleeve 3 one end are formed with the installing hole 11 plugging for screwdriver head, foot piece 5 is fixedly installed in inner sleeve 3 other ends, the first elastic component 8 is inserted in the installing hole 11 of inner sleeve 3, first elastic component 8 one end can be flexible along installing hole 11 axial elasticities, first elastic component 8 other ends and installing hole 11 inner side stationary positioned, the sidewall of inner sleeve 3 installing hole 11 one end is provided with at least three radial perforations 12, ball 7 is just placed in this radial perforation 12 and can slides along these radial perforation 12 length directions, this radial perforation 12 is formed with stop device towards inner sleeve 3 axle center one sides, this stop device can stop ball 7 to be fallen in inner sleeve 3 installing holes 11, baffle ring 6 and the second elastic component 9 are sheathed on respectively inner sleeve 3 outsides, one end, baffle ring 6 one end are formed with horn mouth, this horn mouth madial wall is tight against ball 7 outsides, baffle ring 6 is separately tight against second elastic component 9 one end, second elastic component 9 other ends and inner sleeve 3 lateral wall stop location, middle cover 2 vertically slip cap is located at inner sleeve 3 outsides, on middle cover 2 one end madial walls, be installed with magnetic-inductive device 4, on this magnetic-inductive device 4, be formed with the passage passing for screwdriver head, magnetic-inductive device 4 can promote baffle ring 6 towards one end of foot piece 5 and move towards foot piece 5 directions, overcoat 1 vertically slip cap is located at middle cover 2 outsides, and stop device before and after middle cover 2 two ends are formed with respectively, front and back stop device limits respectively overcoat 1 towards the distance of axial two Slideslips.
This extension bar has a plurality of functions:
The first function: fast clamp with change screwdriver head: built-in the first elastic component 8, ball 7, baffle ring 6, the second elastic component 9 coordinates can fast clamp and change screwdriver head, when screwdriver head 20 inserts extension bar, ball 7 suffers oppression and radially outward moves, and then promotion baffle ring 6 compression the second elastic components 9, when screwdriver head inserts certain depth, ball 7 just falls in the pneumatic groove of screwdriver head, screwdriver head is clamped, baffle ring 6 is return under the second elastic component 9 effects, the first elastic component 8 is subject to force compresses simultaneously, while changeing screwdriver head, only overcoat 1 need be pulled back, overcoat 1 can drive magnetic-inductive device 4, magnetic-inductive device 4 promotes baffle ring 6 and moves backward, the second elastic component 9 is subject to force compresses again, at this moment ball 7 no longer clamps screwdriver head groove and in free state, so script the first elastic component 8 abrupt release elastic force by compression, screwdriver head is ejected smoothly, this action one-hand operation is by screwdriver head automatic spring, easy to operate,
The second function: firm screw: insert screw on screwdriver head, overlap 2 in promoting forward, screw is firmly held by magnetic-inductive device 4;
The third function: safety operation protection: overcoat 1 is pulled to cover on screw to operate again when we lock screw, can effectively avoid the injury of screw rotation.)
Described inner sleeve 3 other ends are provided with foot piece 5 and plug hole, the slotting stop of foot piece 5 is inserted in this and plugs in hole, installing hole 11 is greater than the stepped hole of other end diameter for one end diameter, and this stepped hole other end with plug hole and be communicated with, it is inner that one end that installing hole 11 diameters are large is stretched in first elastic component 8 one end, the first elastic component 8 is volute spring, one end stop sleeve that this volute spring diameter is large is located at foot piece 5 one end, installing hole 11 is generally hexagon ring, it can certainly be the hole of other shape, as square hole, in order to realize the stop location of screwdriver head.
Described middle cover 2 other end inner sides are formed with baffle ring 6, inner sleeve 3 other end outsides are arranged with the 3rd elastic component 10, the 3rd elastic component 10 one end and inner sleeve 3 lateral wall stop location, the 3rd elastic component 10 other ends are tight against the baffle ring 6 of middle cover 2 other ends, overlap 2 automatically reset by the elastic force interaction energy of the 3rd elastic component 10 in realizing.
The baffle ring 6 of described middle cover 2 other ends inner sides is less than the rear cover 13 of the loop configuration of other end diameter for one end diameter, the little one end stop of these rear cover 13 diameters is inserted in middle cover 2 other end inner sides, rear cover 13 one end are tight against the 3rd elastic component 10 other ends, and one end backstop that rear cover 13 diameters are large is outside in middle cover 2 other ends.
Before and after on middle cover 2, stop device limits respectively overcoat 1 and towards the structure of the distance of axial two Slideslips is: middle cover 2 stop device of going forward is the jump ring 14 that is embedded at middle cover 2 outsides, one end, after on middle cover 2, stop device is the large one end end faces of rear cover 13 diameters, described overcoat 1 towards the proper backstop of end face of foot piece 5 one end in the large one end end face of rear cover 13 diameters, overcoat 1 is formed with towards foot piece 5 inner sides, one end the backstop that a loop diameter inside contracts, and the proper backstop of this backstop is in the jump ring 14 in middle cover 2 outsides.
Described overcoat 1 is formed with the conical ring groove 15 that a loop diameter increases gradually on foot piece 5 one end madial walls, this conical ring groove is just connected foot piece 5 one end dorsad with backstop, conical ring groove is conducive to increase overcoat 1 other end radial elastic, is convenient to jump ring 14 cards on middle cover 2 simultaneously and establishes.
Also be provided with nut 16, this nut 16 is spirally connected with middle cover 2 other end outsides, and this nut 16 is between overcoat 1 and rear cover 13, can realize screw lock degree of depth adjustable function, by nut 16 precession certain distance forward, with fixed jacket 1, can not move again backward, then screw is locked in object, when screw precession certain depth is that overcoat 1 is encountered after object, screw just can revolved again, thereby realizes the controllability of the degree of depth.
On overcoat 1, be also provided with transparent window 17, window 17 edges are provided with the scale of arranging vertically, can realize screw lock depth visual function, when DRIVE SCREWS is followed closely, see through the window 17 of overcoat 1, the degree of depth of seeing screw screw-in that can be clear and intuitive, avoids screw to screw in dark or excessively shallow, guarantees to connect safety.
Overcoat 1 is also provided with positive stop 18 in foot piece 5 one end dorsad, this positive stop 18 is provided with the positioning through hole coaxial with inner sleeve 3 installing holes 11, and this positive stop 18 towards the end face backstop of foot piece 5 one end in the magnetic-inductive device 4 of middle cover 2 inner sides, positive stop 18 can radially carry out head of screw spacing, guarantees that screw vertically screws in object.
Also be provided with pushing block 19, described pushing block 19 can slip cap be located at inner sleeve 3 outsides, one end, and the proper backstop of pushing block 19 is in baffle ring 6 one end, and magnetic-inductive device 4 be able to be tight against pushing block 19 one end.
Claims (10)
1. a Multifunctional connecting bar, it is characterized in that: comprise overcoat (1), middle cover (2), inner sleeve (3), magnetic-inductive device (4), foot piece (5), baffle ring (6), ball (7) and first, two elastic components (8, 9), described inner sleeve one end is formed with the installing hole (11) plugging for screwdriver head, foot piece is fixedly installed in the inner sleeve other end, the first elastic component is inserted in the installing hole of inner sleeve, first elastic component one end can be flexible along installing hole axial elasticity, stationary positioned inside the first elastic component other end and installing hole, the sidewall of inner sleeve installing hole one end is provided with at least three radial perforations (12), ball is just placed in this radial perforation and can slides along this radial perforation length direction, this radial perforation is formed with stop device towards inner sleeve axle center one side, this stop device can stop ball to be fallen in inner sleeve installing hole, baffle ring and the second elastic component are sheathed on respectively outside, inner sleeve one end, baffle ring one end is formed with horn mouth, this horn mouth madial wall is tight against ball outside, the baffle ring other end is tight against second elastic component one end, the second elastic component other end and inner sleeve lateral wall stop location, middle cover vertically slip cap is located at inner sleeve outside, on the madial wall of middle cover one end, be installed with magnetic-inductive device, on this magnetic-inductive device, be formed with the passage passing for screwdriver head, magnetic-inductive device can promote baffle ring towards one end of foot piece and move towards foot piece direction, overcoat vertically slip cap is located at middle cover outside, and stop device before and after middle cover two ends are formed with respectively, front and back stop device limits respectively overcoat towards the distance of axial two Slideslips.
2. Multifunctional connecting bar according to claim 1, it is characterized in that: the described inner sleeve other end is provided with foot piece and plugs hole, the slotting stop of foot piece is inserted in this and plugs in hole, installing hole is the stepped hole that one end diameter is greater than other end diameter, and this stepped hole other end with plug hole and be communicated with, the inside, one end that installing hole diameter is large is stretched in first elastic component one end, and the first elastic component is volute spring, and one end stop sleeve that this volute spring diameter is large is located at foot piece one end.
3. Multifunctional connecting bar according to claim 1, it is characterized in that: described middle cover other end inner side is formed with baffle ring, inner sleeve other end outside is arranged with the 3rd elastic component (10), the 3rd elastic component one end and inner sleeve lateral wall stop location, the 3rd elastic component other end is tight against the baffle ring of the middle cover other end.
4. Multifunctional connecting bar according to claim 3, it is characterized in that: the baffle ring of described middle cover other end inner side is the rear cover (13) of one end diameter loop configuration of being less than other end diameter, one end stop that this rear cover diameter is little is inserted in middle cover other end inner side, rear cover one end is tight against the 3rd elastic component other end, and one end backstop that rear cover diameter is large is outside in the middle cover other end.
5. Multifunctional connecting bar according to claim 4, it is characterized in that: in put before and after stop device limit respectively overcoat and towards the structure of the distance of axial two Slideslips be: the middle cover stop device of going forward is the jump ring (14) that is embedded at outside, middle cover one end, in to put rear stop device be one end end face that rear cover diameter is large, the proper backstop of the end face of described overcoat towards foot piece one end is in the large one end end face of rear cover diameter, overcoat is formed with towards inner side, foot piece one end the backstop that a loop diameter inside contracts, and the proper backstop of this backstop is in the jump ring in middle cover outside.
6. Multifunctional connecting bar according to claim 5, is characterized in that: described overcoat is formed with the conical ring groove (15) that a loop diameter increases gradually on the madial wall of foot piece one end, and this conical ring groove is just connected foot piece one end dorsad with backstop.
7. Multifunctional connecting bar according to claim 5, is characterized in that: be also provided with nut (16), this nut and middle cover other end outside are spirally connected, and this nut is between overcoat and rear cover.
8. Multifunctional connecting bar according to claim 1, is characterized in that: put outward and be also provided with transparent window (17), window edge is provided with the scale of arranging vertically.
9. Multifunctional connecting bar according to claim 1, it is characterized in that: overcoat dorsad foot piece one end is also provided with positive stop (18), this positive stop is provided with the positioning through hole coaxial with inner sleeve installing hole, and this positive stop towards the end face backstop of foot piece one end in the magnetic-inductive device of middle cover inner side.
10. Multifunctional connecting bar according to claim 1, is characterized in that: be also provided with pushing block (19), described pushing block can be located at outside, inner sleeve one end by slip cap, and the proper backstop of pushing block is in baffle ring one end, and magnetic-inductive device be able to be tight against pushing block one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420275973.1U CN203901193U (en) | 2014-05-27 | 2014-05-27 | Multifunctional connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420275973.1U CN203901193U (en) | 2014-05-27 | 2014-05-27 | Multifunctional connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203901193U true CN203901193U (en) | 2014-10-29 |
Family
ID=51775488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420275973.1U Withdrawn - After Issue CN203901193U (en) | 2014-05-27 | 2014-05-27 | Multifunctional connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203901193U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269505A (en) * | 2014-05-27 | 2016-01-27 | 昆山义成工具有限公司 | Multi-functional connecting rod |
| CN110385486A (en) * | 2019-07-02 | 2019-10-29 | 温州罗富特精密机械有限公司 | A kind of tapping component of mould tooth machining unit |
-
2014
- 2014-05-27 CN CN201420275973.1U patent/CN203901193U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269505A (en) * | 2014-05-27 | 2016-01-27 | 昆山义成工具有限公司 | Multi-functional connecting rod |
| CN105269505B (en) * | 2014-05-27 | 2018-02-06 | 昆山义成工具有限公司 | Multifunctional connecting bar |
| CN110385486A (en) * | 2019-07-02 | 2019-10-29 | 温州罗富特精密机械有限公司 | A kind of tapping component of mould tooth machining unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141029 Effective date of abandoning: 20180206 |
|
| AV01 | Patent right actively abandoned |