CN206385590U - A kind of excavator quick connector - Google Patents
A kind of excavator quick connector Download PDFInfo
- Publication number
- CN206385590U CN206385590U CN201621446725.4U CN201621446725U CN206385590U CN 206385590 U CN206385590 U CN 206385590U CN 201621446725 U CN201621446725 U CN 201621446725U CN 206385590 U CN206385590 U CN 206385590U
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- China
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- connecting rod
- closing piece
- hinged
- left end
- hand member
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Abstract
The utility model is related to a kind of excavator quick connector, including connector body and hydraulic jack, 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 hinged with movable hook, also include self-locking mechanism, the self-locking mechanism includes head rod, second connecting rod, 3rd connecting rod, extension spring and closing piece, the left end of the head rod is hinged on the movable hook, right-hand member is slidably connected with the second connecting rod, the left end of second connecting rod is free end, right-hand member is flexibly connected with the left end of the extension spring and the left end of the 3rd connecting rod by connector with the stay hook, the closing piece includes closing piece free end and closing piece connection end, the closing piece connection end is hinged with the connector body, the closing piece free end and the right-hand member of the 3rd connecting rod are hinged, the closing piece connection end and the right-hand member of the extension spring are hinged；The stay hook is provided with spacing breach, and the closing piece can be swung in the spacing breach.
Description
Technical field
The present invention relates to a kind of excavator quick connector.
Background technology
Excavator quick connector can realize the quick-replaceable of accessory, save the working time, improve operating efficiency, in order to
For the sake of safety, at present, excavator quick connector generally uses band hydraulic lock hydraulic jack, is typically all by the cylinder of hydraulic jack
Set is hinged with body, and piston rod is hinged with movable hook, and reliability is poor, and the reciprocating motion of hydraulic jack drives the opening of movable hook
And closure, hydraulic jack once failure, under accessory may fall, cause the damage of accessory or scrap, or even produce serious casualties
Accident.
Utility model content
The utility model deficiency of the prior art for more than can realize self-locking there is provided one kind, it is ensured that use safety
Quick connector.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of excavator quick connector, including even
Connect device body and hydraulic jack, the lower edge right-hand member of the connector body is provided with stay hook, the connector body it is following
Edge left end is hinged with movable hook, and the hydraulic jack includes cylinder sleeve and piston rod, the cylinder sleeve and piston rod respectively with the company
Connect device body and movable hook is hinged, it is characterised in that also including self-locking mechanism, the self-locking mechanism includes head rod, the
Two connecting rods, the 3rd connecting rod, extension spring and closing piece, the left end of the head rod are hinged on the movable hook, right-hand member with
Second connecting rod is slidably connected, and the left end of second connecting rod is free end, the left end of right-hand member and the extension spring and described the
The left end of three connecting rods is flexibly connected by connector with the stay hook, and the closing piece includes closing piece free end and closing piece is connected
End, the closing piece connection end is hinged with the connector body, and the closing piece free end and the right-hand member of the 3rd connecting rod are cut with scissors
Connect, the closing piece connection end and the right-hand member of the extension spring are hinged；The stay hook is provided with spacing breach, and the closing piece can be
Swung in the spacing breach；When quick connector is in self-locking state, the closing piece free end can compress accessory bearing pin,
When the oil cylinder is opened entirely, the closing piece is opened, and releases self-locking.
The beneficial effects of the utility model are：Only in the case where hydraulic jack is close to standard-sized sheet, closing piece could be opened, its
In the case of it, quick connector is constantly in self-locking state, even if hydraulic jack fails, also can guarantee that accessory is not fallen out, and protects
The safety of operating personnel is demonstrate,proved.
Further, the connector is the first rotary shaft, the right-hand member of second connecting rod and the left end of extension spring and the 3rd
The left end of connection is hinged by the first rotary shaft, and the stay hook is provided with groove, and first rotary shaft can be described recessed
Slided in groove.
Further, the connector is rotating disk, and the rotating disk and the second rotary shaft being arranged on stay hook are rotated
Connection, the rotating disk is provided with otic placode, and the otic placode is provided with the first otic placode pin-and-hole and the second otic placode pin-and-hole, and described second connects
The right-hand member of extension bar is hinged with the first otic placode pin-and-hole, the left end of the 3rd connecting rod and the left end of the extension spring and second ear
Plate pin-and-hole is hinged.
Further, the first limited block of limitation rotating disk is additionally provided with the connector body.
Beneficial effect using above-mentioned further technical scheme is：Extension spring, the 3rd connecting rod and the are connected by rotating disk
Two connecting rods, connection is simple, easy to process, and can guarantee that extension spring is elongated or shortened according to certain regulation.
Further, second connecting rod is provided with chute, and the right-hand member of the head rod is provided with can be in the cunning
The sliding pin slided in groove.
Using the beneficial effect of above-mentioned further technical scheme：Second connecting rod is provided with chute, is beaten for adjusting
Piston elongated distance needed for unlocking block, while when oil cylinder shrinks, the stroke of cushion cylinder.
Further, the right-hand member of the head rod is provided with sliding sleeve, and the left end of second connecting rod is spacing provided with second
Block (is not drawn into) in figure.
Further, the closing piece connection end is provided with elongated end, and the extension spring is connected with the elongated end.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model first embodiment (self-locking mechanism is in self-locking state)；
Fig. 2 is the structural representation of the utility model first embodiment (self-locking mechanism is in open mode)；
Fig. 3 is the partial enlarged drawing at A in Fig. 1；
Fig. 4 is the structural representation of the utility model second embodiment；
Fig. 5 is the structural representation of the utility model second embodiment；
In the accompanying drawings, the list of designations represented by each label is as follows：1st, connector body, 2, movable hook, 3, fixed
Hook, 3-1, spacing breach, 4, head rod, 4-1, sliding pin, the 5, second connecting rod, 5-1, chute, 6, closing piece, 6-1, extension
End, 6-2, closing piece free end, 6-3, closing piece connection end, the 7, the 3rd connecting rod, 8, extension spring, the 9, first rotary shaft, 10, accessory pin
Axle, 11, groove, 12, rotating disk, 12-1, otic placode, 12-11, the first otic placode pin-and-hole, 12-12, the second otic placode pin-and-hole, 13, first
Limited block, the 14, second rotary shaft.
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 scope of the present utility model.
First embodiment：As shown in Figure 1-Figure 3, a kind of excavator quick connector, including connector body 1 and hydraulic oil
Cylinder (is not drawn into) in figure, and the lower edge right-hand member of the connector body 1 is provided with stay hook 3, the lower edge of the connector body 1
Left end is hinged with movable hook 2, and the hydraulic jack includes cylinder sleeve and piston rod, the cylinder sleeve and piston rod respectively with the connection
Device body 1 and movable hook 2 are hinged, in addition to self-locking mechanism, the self-locking mechanism include head rod 4, the second connecting rod 5,
3rd connecting rod 7, extension spring 8 and closing piece 6, the left end of the head rod 4 are hinged on the movable hook 2, right-hand member and second
Connecting rod 5 is slidably connected, and the left end of second connecting rod 5 is free end, right-hand member and the left end and the described 3rd of the extension spring 8
The left end of connecting rod 7 is flexibly connected by connector with the stay hook 3, and the closing piece 6 includes closing piece free end 6-2 and closing piece
Connection end 6-3, the closing piece connection end 6-3 is hinged with the connector body 1, and is fixedly connected with the right-hand member of the extension spring 8,
The closing piece free end 6-2 and the right-hand member of the 3rd connecting rod 7 are hinged, and the stay hook 3 is provided with spacing breach 3-1, institute
Stating closing piece 6 can swing in the spacing breach 3-1, and when connector is in self-locking state, the closing piece 6 can compress accessory
When oil cylinder described in bearing pin 10 is opened entirely, the closing piece 6 is opened.
The connector is the first rotary shaft 9, and the right-hand member of second connecting rod 5 is connected 7 with the left end of extension spring 8 and the 3rd
Left end 9 connect by the first rotary shaft hinge, the stay hook 3 is provided with groove 11, and first rotary shaft 9 can be described recessed
Slided in groove 11.
Second connecting rod 5 is provided with chute 5-1, and the right-hand member of the head rod 4 is provided with can be in the chute
The sliding pin 4-1 slided in 5-1, or, the right-hand member of the head rod 4 is provided with sliding sleeve, the left end of second connecting rod 5
(it is not drawn into provided with limited block in figure), the sliding sleeve is socketed second connecting rod 5.
The closing piece connection end 6-3 is provided with elongated end 6-1, and the extension spring 8 is connected with the elongated end 6-1.
The operation principle of first embodiment is as follows：
When needing excavator being connected with accessory (such as Excavating bucket), there are left side bearing pin and the right bearing pin on Excavating bucket, scheme
1st, the bearing pin drawn in Fig. 2 is the right bearing pin, is not drawn into the bearing pin figure of the left side.Quick connection is set to rotate certain angle first
(ensuring that piston rod will not encounter the left side bearing pin of accessory during elongation), piston rod elongation, movable hook 2 turns clockwise
It is dynamic, head rod 4, the second connecting rod 5 are driven successively, and the second connecting rod 5 drives the first rotary shaft to be slided in groove 11, entered
And drive the 3rd connecting rod 7 and extension spring 8 to move, and when hydraulic jack is close to complete open, in the presence of the 3rd connecting rod 7, from
The closing piece 6 of latch mechanism is opened, and stay hook 3 is caught the right bearing pin 10 of accessory.Then, piston rod shrinks, and realizes self-locking, now
Stay hook 3 firmly grasps the right bearing pin, it is ensured that the right bearing pin 10 will not be skidded off；Piston rod continues to shrink until not interfering movable hook 2 to be grabbed
The left side bearing pin of tight accessory, rotates the position that quick connector firmly grasps left side bearing pin to suitable movable hook 2 afterwards.Finally, piston
Bar extends, and drives movable hook 2 to rotate clockwise, left side bearing pin is held firmly, and now completes the connection of excavator and accessory.
The unlocking action of quick connector, first, piston rod are shunk, and movable hook is rotated counterclockwise, and unclamp left side bearing pin, rotation
Turn quick connector until left side bearing pin is no longer interfere with the elongation of piston rod；Then, piston rod extends, until close to standard-sized sheet, this
When self-locking mechanism open, can remove the right bearing pin 10.
Second embodiment：As shown in Figure 4, Figure 5, a kind of excavator quick connector, the difference with first embodiment is：
The connector is rotating disk 12, and the rotating disk 12 is rotated with the second rotary shaft 14 being arranged on stay hook and is connected, described
Rotating disk 12 is provided with the first otic placode pin-and-hole 12-11 and the second otic placode pin-and-hole 12- provided with otic placode 12-1, the otic placode 12-1
12, the right-hand member of second connecting rod 5 is hinged with the first otic placode pin-and-hole 12-11, the left end of the 3rd connecting rod 7 and the drawing
The left end of spring 8 is hinged with the second otic placode pin-and-hole 12-12.
The operating principle of second embodiment is as follows：
When needing excavator being connected with accessory (such as Excavating bucket), there are left side bearing pin and the right bearing pin on Excavating bucket, scheme
1st, the bearing pin drawn in Fig. 2 is the right bearing pin, is not drawn into the bearing pin figure of the left side.Quick connection is set to rotate certain angle first
(ensuring that piston rod will not encounter the left side bearing pin of accessory during elongation), piston rod elongation, movable hook 2 turns clockwise
It is dynamic, the connecting rod 5 of head rod 4 and second is driven successively, and the second connecting rod 5 drives the rotating disk 12 to rotate, the rotation
The rotation of disk 12 drives the 3rd connecting rod 7 and extension spring 8 to move successively, when hydraulic jack is close to complete open, in the 3rd connecting rod 7
In the presence of, the closing piece 6 of self-locking mechanism is opened, and stay hook 3 is caught the right bearing pin 10 of accessory.Then, piston rod shrinks, real
Show self-locking, now stay hook firmly grasps the right bearing pin, it is ensured that the right bearing pin 10 will not be skidded off；Piston rod continues to shrink until not interfering
Movable hook 2 firmly grasps the left side bearing pin of accessory, and the position that quick connector firmly grasps left side bearing pin to suitable movable hook is rotated afterwards.Most
Afterwards, piston rod extends, and drives movable hook 2 to rotate clockwise, left side bearing pin is held firmly, and now completes the company of excavator and accessory
Connect.
The unlocking action of quick connector, first, piston rod are shunk, and movable hook is rotated counterclockwise, and unclamp left side bearing pin, rotation
Turn quick connector until left side bearing pin is no longer interfere with the elongation of piston rod；Then, piston rod extends, until close to standard-sized sheet, this
When self-locking mechanism open, can remove the right bearing pin 10.
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. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (7)
1. a kind of excavator quick connector, including connector body and hydraulic jack, the lower edge of the connector body are right
End is provided with stay hook, and the lower edge left end of the connector body is hinged with movable hook, and the hydraulic jack includes cylinder sleeve and work
Stopper rod, the cylinder sleeve and piston rod are hinged with the connector body and movable hook respectively, it is characterised in that also including from lock machine
Structure, the self-locking mechanism includes head rod, the second connecting rod, the 3rd connecting rod, extension spring and closing piece, the head rod
Left end be hinged on the movable hook, right-hand member is slidably connected with the second connecting rod, and the left end of second connecting rod is freely
End, right-hand member is flexibly connected with the left end of the extension spring and the left end of the 3rd connecting rod by connector with the stay hook,
The closing piece includes closing piece free end and closing piece connection end, and the closing piece connection end is hinged with the connector body, the lock
Block free end and the right-hand member of the 3rd connecting rod are hinged, and the closing piece connection end and the right-hand member of the extension spring are hinged；It is described solid
Hook is determined provided with spacing breach, and the closing piece can be swung in the spacing breach；When quick connector is in self-locking state
When, the closing piece free end can compress accessory bearing pin, when the oil cylinder is opened entirely, and the closing piece is opened.
2. a kind of excavator quick connector according to claim 1, it is characterised in that the connector is the first rotation
The left end of axle, the right-hand member and the left end of extension spring of second connecting rod and the 3rd connection is hinged by the first rotary shaft, described solid
Hook is determined provided with groove, and first rotary shaft can be slided in the groove.
3. a kind of excavator quick connector according to claim 1, it is characterised in that the connector is rotating disk,
The rotating disk is rotated with the second rotary shaft being arranged on stay hook and is connected, and the rotating disk is provided with otic placode, the otic placode
The first otic placode pin-and-hole and the second otic placode pin-and-hole are provided with, the right-hand member of second connecting rod is hinged with the first otic placode pin-and-hole, described
The left end of 3rd connecting rod and the left end of the extension spring are hinged with the second otic placode pin-and-hole.
4. a kind of excavator quick connector according to claim 3, it is characterised in that also set on the connector body
First limited block of the restricted rotating disk.
5. a kind of excavator quick connector according to claim 1, it is characterised in that second connecting rod is provided with
Chute, the right-hand member of the head rod is provided with the sliding pin that can be slided in the chute.
6. a kind of excavator quick connector according to claim 1, it is characterised in that the right-hand member of the head rod
Provided with sliding sleeve, the left end of second connecting rod is provided with the second limited block.
7. a kind of excavator quick connector according to claim 1, it is characterised in that also set on the closing piece connection end
There is elongated end, the extension spring is connected with the elongated end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621446725.4U CN206385590U (en) | 2016-12-27 | 2016-12-27 | A kind of excavator quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621446725.4U CN206385590U (en) | 2016-12-27 | 2016-12-27 | A kind of excavator quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206385590U true CN206385590U (en) | 2017-08-08 |
Family
ID=59489865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621446725.4U Active CN206385590U (en) | 2016-12-27 | 2016-12-27 | A kind of excavator quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206385590U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453742A (en) * | 2019-08-16 | 2019-11-15 | 徐工集团工程机械有限公司 | A kind of full-automatic fast replacing device of hydraulic crawler excavator |
-
2016
- 2016-12-27 CN CN201621446725.4U patent/CN206385590U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453742A (en) * | 2019-08-16 | 2019-11-15 | 徐工集团工程机械有限公司 | A kind of full-automatic fast replacing device of hydraulic crawler excavator |
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| GR01 | Patent grant |