CN206737009U - A kind of screw drive excavator quick connector with self-locking device - Google Patents
A kind of screw drive excavator quick connector with self-locking device Download PDFInfo
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- CN206737009U CN206737009U CN201720020432.8U CN201720020432U CN206737009U CN 206737009 U CN206737009 U CN 206737009U CN 201720020432 U CN201720020432 U CN 201720020432U CN 206737009 U CN206737009 U CN 206737009U
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- self
- locking device
- connector body
- housing
- closing piece
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Abstract
It the utility model is related to a kind of screw drive excavator quick connector with self-locking device,Including connector body and self-locking device,The lower edge right-hand member of the connector body is provided with stay hook,The lower edge left end of the connector body is provided with movable hook,It is characterized in that,The connector body is provided with track,Hang and closed on the track on the movable hook,Nut is fixed with the movable hook,The screw rod being engaged with nut runs through the left and right ends of the connector body,And it is rotatablely connected by bearing and the connector body,The left end of the screw rod is additionally provided with extension,The extension exceeds the left end of the connector body,The left end of the connector body is fixed with self-locking device,The screw rod extension passes through the self-locking device,Movable hook is adjusted using screw rod,Make movable hook promptly or unclamp accessory bearing pin,The centre-to-centre spacing of small clevis pin with head can be applied to.
Description
Technical field
It the utility model is related to a kind of screw drive excavator quick connector with self-locking device.
Background technology
Excavator quick connector is that one kind can realize that excavator is quick, efficiently changes the product of excavator accessory.It is existing
Typically use be all fluid pressure type quick connector, it is difficult to be adapted to small clevis pin with head centre-to-centre spacing.The quick connector one of fluid pressure type
As be all to be hinged the cylinder sleeve of hydraulic jack with body, piston rod is hinged with movable hook, and reliability is poor, hydraulic jack it is reciprocal
Motion drives the opening and closure of movable hook, and hydraulic jack under accessory may fall, causes damage or the report of accessory once failing
It is useless, or even the accident that produces serious casualties, the quick connector cost of fluid pressure type is higher in addition.
Utility model content
The utility model is directed to above-mentioned the deficiencies in the prior art, there is provided a kind of machinery for being adapted to small clevis pin with head centre-to-centre spacing
Formula quick connector.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of screw drive with self-locking device is excavated
Machine quick connector, including connector body and self-locking device, the lower edge right-hand member of the connector body are provided with stay hook, institute
The lower edge left end for stating connector body is provided with movable hook, it is characterised in that the connector body is provided with track, the work
Hang and closed on the track on dynamic hook, be fixed with nut in the movable hook, the screw rod being engaged with nut runs through the connection
The left and right ends of device body, and be rotatablely connected by bearing and the connector body, the left end of the screw rod is additionally provided with extension
Portion, the extension exceed the left end of the connector body, and the left end of the connector body is fixed with self-locking device, described
Screw rod extension passes through the self-locking device, can be rotated relative to self-locking device.
The beneficial effects of the utility model are：Movable hook is adjusted using screw rod, makes movable hook promptly or unclamps accessory pin
Axle, the centre-to-centre spacing of small clevis pin with head can be applied to.
Further, the self-locking device includes housing, is fixedly connected on the gear of the screw rod left end, is engaged with gear
Closing piece and be fixedly connected on the shifting block of the closing piece left end, and the closing piece and shifting block are arranged in the groove in housing, and
It is connected with the housing into rotation；The rear end of the housing, which is provided with, adjusts the adjusting means that the closing piece rotates, and the closing piece includes
Arc sections, engaging piece and the transition part being arranged between the arc sections and engaging piece, the arc sections include the first arc sections
With the second arc sections, the engaging piece includes the first engaging piece and the second engaging piece, the transition part include First Transition portion and
Second transition part.
It is using the above-mentioned further beneficial effect of technical scheme：Self-locking device is provided with the left end of connector body, is led to
The position of shifting block is overregulated, controls the direction of screw rod self-locking, when shifting block is in the second arc sections, screw rod can only turn clockwise
It is dynamic, it is impossible to rotate counterclockwise, ensure that movable hook will not unclamp after firmly grasping bearing pin, play the effect of self-locking, constructor can be ensured
The safety of member；When needing to unclamp bearing pin, it is necessary to shifting block is first pushed into the second arc sections, now screw rod can only rotate counterclockwise,
Can not rotate clockwise, movable hook gradually unclamps accessory bearing pin, easy to use, either promptly accessory still unclamp accessory can
Self-locking is realized, will not be flogged a dead horse.
Further, the adjusting means includes regulating bolt, and the regulating bolt is threadedly coupled with the housing, the tune
Section bolt, which is provided with, holds out against spring, it is described hold out against to be fixed with spring hold out against steel ball, the circle for holding out against steel ball and the closing piece
Arc portion is in contact.
Further, the housing is oval, and the groove is 8 font grooves, and the front end of the 8 font groove is provided with institute
Gear is stated, the rear end of the 8 font groove is provided with the closing piece and shifting block, and the closing piece and shifting block pass through bearing pin and the housing
Rotation connection.
Further, the housing is in circular arc, and circular groove, the circular groove are provided with the circular arc housing
Interior to be provided with the closing piece and shifting block, the closing piece and shifting block are connected by bearing pin with the housing into rotation.
Further, the outer end of the 8 font groove is provided with 8 font end caps.
Further, the extension of the screw rod is in prismatic.
Further, the extension of the screw rod is in quadrangular, pentagonal prism or six prisms, when needing promptly accessory or release
When, the outer muff-coupling wrench of the extension.
It is using the above-mentioned further beneficial effect of technical scheme：The extension of screw rod is in prismatic, facilitates muff-coupling wrench,
Simply, conveniently.
Further, the self-locking device is connected by backing plate with the connector body, and the self-locking device is welded on institute
State on backing plate, the backing plate is threadedly coupled with the connector body.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is complete section schematic diagram of the present utility model；
Fig. 3 is the explosive view of the utility model self-locking device；
Fig. 4 is view when self-locking device is in promptly accessory in the utility model embodiment 1；
Fig. 5 is that self-locking device is in view when unclamping accessory in the utility model embodiment 1；
Fig. 6 is the structural representation of closing piece in the utility model；
Fig. 7 is the structural representation of self-locking device in the utility model embodiment 2；
In the accompanying drawings, the list of designations represented by each label is as follows：1st, connector body, 2, stay hook, 3, screw rod,
31st, extension, 4, movable hook, 5, nut, 6, self-locking device, 61, housing, 62, shifting block, 63, gear, 64, closing piece, 65, hold out against
Steel ball, 66, hold out against spring, 67, regulating bolt, 68, bearing pin, 69,8 font end caps, the 641, first engaging piece, 642, First Transition
Portion, the 643, first arc sections, the 644, second arc sections, 645, First Transition portion, the 646, first engaging piece.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
Embodiment 1
As shown in figures 1 to 6, a kind of screw drive excavator quick connector with self-locking device, including connector body 1
With self-locking device 6, the lower edge right-hand member of the connector body 1 is provided with stay hook 2, and the lower edge of the connector body 1 is left
End is provided with movable hook 4, and the connector body 1 is provided with track, hangs and closed on the track on the movable hook 4, the work
Nut 5 is fixed with dynamic hook 4, the screw rod 3 being engaged with nut 5 runs through the left and right ends of the connector body 1, and passes through axle
Hold and be rotatablely connected with the connector body 1, the left end of the screw rod 3 is additionally provided with extension 31, and the extension 31 exceeds institute
The left end of connector body 1 is stated, the left end of the connector body 1 is provided with self-locking device 6, and the screw rod extension is described in
Self-locking device 6.
The self-locking device 6 includes housing 61, is fixedly connected on the gear 63 of the left end of screw rod 3, matches with gear 63
The closing piece 64 of conjunction and the shifting block 62 for being fixedly connected on the left end of closing piece 64, and the closing piece 64 and shifting block 62 are set in housing 61
Groove in, and be rotatablely connected with the housing 61；The rear end of the housing 61, which is provided with, adjusts the regulation that the closing piece 64 rotates
Device, the closing piece 64 include arc sections, engaging piece and the transition part being arranged between the arc sections and engaging piece, the circle
Arc portion includes the first arc sections 643 and the second arc sections 644, and the engaging piece includes the first engaging piece 641 and the second engaging piece
646, the transition part includes the transition part 645 of First Transition portion 642 and second.
The adjusting means includes regulating bolt 67, and the regulating bolt 67 is threadedly coupled with the housing 61, the tune
Section bolt 67, which is provided with, holds out against spring 66, it is described hold out against to be fixed with spring 66 hold out against steel ball 65, it is described to hold out against steel ball 65 and institute
The arc sections for stating closing piece 64 are in contact.
The housing 61 is oval, and the housing 61 is provided with 8 font grooves, and the front end of the 8 font groove passes through
The gear 63, the rear end of the 8 font groove pass through the closing piece 64 and shifting block 62.The left end of the 8 font groove is provided with 8
Font end cap 69, the closing piece 64 and shifting block 62 are connected by bearing pin 68 with the housing into rotation.
The extension 31 of the screw rod 3 is in prismatic, and the extension 31 of the screw rod is in quadrangular, pentagonal prism or six ribs
Post.When needing promptly accessory or unclamping, the 31 outer muff-coupling wrench of extension.
Embodiment 2
Difference with embodiment 1 is being in circular arc with the housing 61, and circular arc is provided with the circular arc housing
Groove, the circular groove is interior to be provided with the closing piece 64 and shifting block 62, and the closing piece 64 and shifting block 62 pass through bearing pin 68 and institute
State housing 61 to be rotatablely connected, as shown in Figure 7.
Embodiment 1 is identical with the operating principle of embodiment 2, and simply the structure of housing is different, and operating principle is as follows：
When needing promptly accessory bearing pin, first, stay hook 2 firmly grasps the right-hand member bearing pin of accessory, and then, stirring shifting block 62 makes it
Positioned at the second arc sections 644 of the closing piece, while closing piece 64 rotates, and the first engaging piece 641 is engaged with gear 63, such as Fig. 4
It is shown；By being socketed in the spanner of the extension 31, the gear 63, effect of the closing piece 64 by gear 63 are rotated clockwise
Power, the trend rotated counterclockwise is had, because spring 66 has certain elasticity, closing piece 64 can be caused smoothly to rotate counterclockwise, by
It can be rotated clockwise in gear 63, the screw rod 3 being equally fixedly connected with gear 63 can rotate clockwise, in the work of screw rod 3
Under, movable hook 4 gradually firmly grasps the left end bearing pin of accessory.Now, if gear 63 rotates counterclockwise, the First Transition portion of closing piece 64
642 by the gear teeth of gear 63 active force, now the stress of closing piece 64 point to hinge axis 68, closing piece 64 can not rotate, so as to limit
Gear 63 rotates counterclockwise, therefore the screw rod 3 being fixedly connected with gear 64 can not rotate counterclockwise, so as to serve locking screw
The rotary action of bar 3, realizes self-locking.
When needing to unclamp accessory, first, shifting block 62 is stirred, be at the first arc sections 643, while 64 turns of closing piece
It is dynamic, the second engaging piece 646 is engaged with gear 63, as shown in Figure 5；By being socketed in the spanner of the extension 31, counterclockwise
The gear 63 is rotated, closing piece 64 is had the trend rotated clockwise, because spring 66 has necessarily by the active force of gear 63
Elasticity, closing piece 64 can be caused smoothly to rotate clockwise, because gear 63 can rotate counterclockwise, equally fix and connect with gear 63
The screw rod 3 connect can rotate counterclockwise, and in the presence of screw rod 3, movable hook 4 gradually unclamps the left end bearing pin of accessory.Now, if
Gear 63 rotates clockwise, the second transition part 645 of closing piece 64 by the gear teeth of gear 63 active force, now the stress of closing piece 64 refer to
To hinge axis 68, closing piece 64 can not rotate, so that limiting gear 63 rotates clockwise, therefore the spiral shell being fixedly connected with gear 64
Bar 3 can not rotate clockwise, and so as to serve the rotary action of tie down screw 3, realize self-locking.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (8)
1. a kind of screw drive excavator quick connector with self-locking device, including connector body and self-locking device, described
The lower edge right-hand member of connector body is provided with stay hook, and the lower edge left end of the connector body is provided with movable hook, its feature
It is, the connector body is provided with track, hangs and is closed on the track on the movable hook, is fixed with the movable hook
Nut, the screw rod being engaged with nut run through the left and right ends of the connector body, are rotatablely connected with the connector body,
The left end of the screw rod is additionally provided with extension, and the extension exceeds the left end of the connector body, the connector body
Left end be fixed with self-locking device, the screw rod extension passes through the self-locking device.
A kind of 2. screw drive excavator quick connector with self-locking device according to claim 1, it is characterised in that
The self-locking device includes housing, the gear for being fixedly connected on the screw rod left end, the closing piece being engaged with gear and fixed company
Be connected on the shifting block of the closing piece left end, and the closing piece and shifting block are arranged in the groove in housing, and with the housing into rotation
Connection；The rear end of the housing, which is provided with, adjusts the adjusting means that the closing piece rotates, the closing piece include arc sections, engaging piece and
The transition part being arranged between the arc sections and engaging piece, the arc sections include the first arc sections and the second arc sections, institute
Stating engaging piece includes the first engaging piece and the second engaging piece, and the transition part includes First Transition portion and the second transition part.
A kind of 3. screw drive excavator quick connector with self-locking device according to claim 2, it is characterised in that
The adjusting means includes regulating bolt, and the regulating bolt is threadedly coupled with the housing, and the regulating bolt is provided with top
Tight spring, it is described hold out against to be fixed with spring hold out against steel ball, the steel ball that holds out against is in contact with the arc sections of the closing piece.
A kind of 4. screw drive excavator quick connector with self-locking device according to claim 2, it is characterised in that
The housing is oval, and the groove is 8 font grooves, and the front end of the 8 font groove is provided with the gear, 8 word
The rear end of type groove is provided with the closing piece and shifting block, and the closing piece and shifting block are connected by bearing pin with the housing into rotation.
A kind of 5. screw drive excavator quick connector with self-locking device according to claim 2, it is characterised in that
The housing is in circular arc, and circular groove is provided with the circular arc housing, the closing piece is provided with the circular groove
And shifting block, the closing piece and shifting block are connected by bearing pin with the housing into rotation.
A kind of 6. screw drive excavator quick connector with self-locking device according to claim 1, it is characterised in that
The extension of the screw rod is in prismatic.
A kind of 7. screw drive excavator quick connector with self-locking device according to claim 6, it is characterised in that
The extension of the screw rod is in quadrangular, pentagonal prism or six prisms.
A kind of 8. screw drive excavator quick connector with self-locking device according to claim 1, it is characterised in that
The self-locking device is connected by backing plate with the connector body, and the self-locking device is welded on the backing plate, the pad
Plate is threadedly coupled with the connector body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720020432.8U CN206737009U (en) | 2017-01-09 | 2017-01-09 | A kind of screw drive excavator quick connector with self-locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720020432.8U CN206737009U (en) | 2017-01-09 | 2017-01-09 | A kind of screw drive excavator quick connector with self-locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206737009U true CN206737009U (en) | 2017-12-12 |
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ID=60556061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720020432.8U Active CN206737009U (en) | 2017-01-09 | 2017-01-09 | A kind of screw drive excavator quick connector with self-locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206737009U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139801A (en) * | 2018-10-24 | 2019-01-04 | 王朝鹤 | A kind of locking of wirerope and fast adjuster and its application method |
-
2017
- 2017-01-09 CN CN201720020432.8U patent/CN206737009U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139801A (en) * | 2018-10-24 | 2019-01-04 | 王朝鹤 | A kind of locking of wirerope and fast adjuster and its application method |
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