CN114809154B - Quick connector - Google Patents
Quick connector Download PDFInfo
- Publication number
- CN114809154B CN114809154B CN202210410053.5A CN202210410053A CN114809154B CN 114809154 B CN114809154 B CN 114809154B CN 202210410053 A CN202210410053 A CN 202210410053A CN 114809154 B CN114809154 B CN 114809154B
- Authority
- CN
- China
- Prior art keywords
- cavity
- quick connector
- movable
- claw
- machine tool
- 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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Links
- 210000000078 claw Anatomy 0.000 claims abstract description 50
- 238000005242 forging Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 17
- 238000009434 installation Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Shovels (AREA)
Abstract
The invention discloses a quick connector which comprises a cavity, wherein a connecting shaft connected with a working device is arranged at the top of the cavity, a fixed hook is arranged at one end of the bottom of the cavity, a clamping opening is arranged at the other end of the bottom of the cavity, a movable hook rotating around the clamping opening is arranged at the clamping opening, the cavity is in sliding connection with the movable hook through a mutually meshed track structure, and the movable hook is positioned on the cavity through a safety pin. The quick connector provided by the invention has the advantages that through the rail structure of mutual meshing sliding, the movable claw slides reciprocally, the hooking and releasing of the machine tool are realized, the structure is simple, the labor is saved, the reliability is realized, the rear shaft of the machine tool is used as a rotating shaft in the sliding process, the reciprocating swing is not needed to be greatly realized, the axis along which the movable claw slides reciprocally is overlapped with the axis of the rear shaft of the machine tool to be hooked, the interference with the machine tool is avoided, and the safety pin is always in the inserting state when the machine tool shaft is hooked and released, so that the loss of the safety pin is prevented.
Description
Technical Field
The invention belongs to the technical field of engineering machinery excavators, and particularly relates to a quick connector of engineering machinery.
Background
Along with the higher and higher requirement to the diversified operation of excavator, quick connector obtains more extensive application, and it is as the connection machines of excavator and operation device (scraper bowl, quartering hammer, hydraulic pressure shear etc.), has realized the quick switch installation of various operation device, has saved the time that changes the accessory and dismantle the round pin axle and the waste of manpower, has improved work efficiency. At present, a mechanical quick connector is mostly adopted for the small tonnage excavator.
At present, a common mechanical quick connector adopts a spring lock tongue type, and adopts spring force to replace oil cylinder driving force. The movable hook claw is pushed to a proper position by screwing or unscrewing the spring, and the shaft of the machine tool is hooked. The spring force in the working process of the mechanical quick connector always pushes the movable hook claw to keep locking the rear axle of the machine tool. The hydraulic quick connector is connected with and separated from an accessory by driving a locking mechanism through a hydraulic oil cylinder. The movable hook claw and the fixed hook claw are used for connecting the pin shaft of the bucket or other operation devices.
The problem of the existing quick connector is that when the movable claw is at the inner side and the movable claw hooks the rear shaft of the machine tool from the inner side to the outer side, the interference with the movable claw is possibly caused by the difference of the height of the middle bending plate for the operation device with equal shaft distance, so that the quick connector cannot work. The mechanical quick connector has high requirement on the spring, complex structure, large force required when rotating the knob at the spring end, complex operation and easy loss of the safety pin shaft.
Disclosure of Invention
The invention aims to overcome the defects, and provides the quick connector which is simple in structure and low in cost, and can avoid interference phenomenon between the movable hook and the machine tool.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the utility model provides a quick connector, includes the cavity, the cavity top is equipped with the connecting axle of connecting working device, the one end of cavity bottom is equipped with fixed hook, and the bottom other end is equipped with the clamp mouth, clamp mouth department is equipped with around the rotatory movable hook of clamp mouth axis, cavity and movable hook pass through intermeshing's track structure sliding connection, movable hook passes through the shear pin and fixes a position on the cavity.
Further, the connecting shaft comprises a first connecting shaft and a second connecting shaft which are respectively used for being connected with the bucket rod and the connecting rod of the working device.
Further, the track structure comprises a track and a convex track matched with the track, and the track can be specifically arranged on the cavity, and the convex track is arranged on the movable hook claw; or the track is arranged on the movable hook claw, and the convex track is arranged on the cavity; the combination of the track and the convex track only needs to meet the requirement that the movable hook claw can slide back and forth.
Further, the movable claw comprises a driving piece and a claw, and the driving piece pushes the claw to slide.
Further, the quick connector may be a mechanical quick connector or a hydraulic quick connector.
Further, when the quick connector is a mechanical quick connector, the movable claw is a spanner type, the driving piece is a handle rod connected with the claw, and the handle rod is pushed and pulled to drive the claw so as to complete hooking and releasing of the machine. The movable hook is characterized in that a plurality of positioning holes are formed in the movable hook, fixing holes are formed in the cavity, and when the handle rod pushes the hook to slide to different positions, the safety pin is connected with the positioning holes and the fixing holes in the cavity to position the movable hook.
Still further, the handle pole also can be other shapes, push-pull handle pole realizes getting and releasing the machines, laborsaving reliable.
Still further, the position and the quantity of locating hole and fixed orifices all can be adjusted according to the practical application demand. When the machine shaft is hooked and released, the safety pin is always in the inserting state, and the safety pin cannot be lost due to the fact that the inserting holes are different.
Further, when the quick connector is a hydraulic quick connector, an oil cylinder is arranged in the cavity, the driving piece is an ear plate connected with the claw, and the ear plate is connected with the oil cylinder to drive the movable claw by the oil cylinder. And an oil cylinder root installation shaft hole is formed in one side, close to the fixed hook claw, of the cavity body, and an oil cylinder installation hole is formed in the lug plate and used for installing an oil cylinder. The ear plate is provided with a notch, the cavity is provided with a fixing hole, and the safety pin is connected with the notch and the fixing hole on the cavity to position the movable hook claw. When the movable claw is in an initial state, the safety pin is inserted into the fixed hole, and after the movable claw hooks the rear axle of the machine tool, the safety pin is arranged in the notch, so that the oil cylinder can be prevented from being invalid, the movable claw is retracted, the rear axle of the machine tool is loosened, and danger is caused.
Furthermore, the cavity and the movable hook claw can be structural components or integral cast forgings.
When the movable hook is used, the fixed hook claw and the movable hook claw are respectively used for hooking the front shaft of the machine tool and the rear shaft of the machine tool. When the fixed hook hooks the front shaft of the machine tool, the quick connector rotates around the machine tool shaft through the fixed hook so that the rear shaft of the machine tool falls into the clamping opening, and therefore the movable hook can quickly hook the rear shaft of the machine tool, and connection of the machine tool is achieved. The whole movable claw only rotates around the axis of the clamping opening in the sliding process of the track, the rotating shaft of the movable claw is the rear shaft of the machine tool, the reciprocating swing is not needed to be greatly carried out, and the interference with the machine tool is avoided.
Compared with the prior art, the invention has the beneficial effects that:
the quick connector provided by the invention has the advantages that through the rail structure of mutual meshing sliding, the movable claw slides reciprocally, the hooking and releasing of the machine tool are realized, the structure is simple, the labor is saved, the reliability is realized, the rear shaft of the machine tool is used as a rotating shaft in the sliding process, the reciprocating swing is not needed to be greatly realized, the axis along which the movable claw slides reciprocally is overlapped with the axis of the rear shaft of the machine tool to be hooked, and the interference with the machine tool is avoided.
When the quick connector hooks and releases the tool shaft, the safety pin is always in the inserting state, so that the safety pin is prevented from being lost, and the safety pin can be arranged in the hydraulic quick connector, so that the danger caused by the failure of the oil cylinder can be avoided, and the quick connector is safe and reliable.
Drawings
Fig. 1 is a schematic structural view of a mechanical quick connector according to embodiment 1;
FIG. 2 is a schematic view of the structure of the cavity according to embodiment 1;
FIG. 3 is a schematic view of the movable hook according to embodiment 1;
fig. 4 is a schematic structural view of the mechanical quick connector according to embodiment 1;
fig. 5 is a schematic structural view of a hydraulic quick connector according to embodiment 2;
FIG. 6 is a schematic view of the structure of the cavity according to embodiment 2;
FIG. 7 is a schematic view of the movable hook according to embodiment 2;
fig. 8 is a schematic structural diagram of the hydraulic quick connector according to embodiment 2 in a released pin state.
In the figure: 1-cavity, 11-fixed hook, 12-track, 13-fixed hole, 14-clamp, 15-cylinder root installation shaft hole, 2-connecting shaft I, 3-connecting shaft II, 4-movable hook, 41-handle bar, 42-initial positioning hole, 43-convex track, 44-hook, 45-working positioning hole, 46-lug plate, 461-cylinder installation hole, 462-notch, 5-safety pin, 6-cylinder, 7-tool front shaft and 8-tool rear shaft.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings and specific examples.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
Example 1
The mechanical quick connector as shown in fig. 1-4 comprises a cavity 1, wherein a first connecting shaft 2 and a second connecting shaft 3 are arranged at the top of the cavity 1 and are respectively used for realizing connection between the quick connector and a bucket rod and a connecting rod of a working device; one end of the bottom of the cavity 1 is provided with a fixed hook claw 11 for hooking the front shaft 7 of the machine tool, the other end of the bottom of the cavity 1 is provided with a clamping opening 14, and the clamping opening 14 is provided with a movable hook claw 4 rotating around the clamping opening 14.
As shown in fig. 2, a rail 12 is provided on the cavity 1 above the clamping opening 14, and a fixing hole 13 is provided on the cavity 1 above the rail 12 for positioning the movable hook 4 on the cavity 1 through the safety pin 5.
As shown in fig. 3, the movable claw 4 is a wrench type, and comprises a handle bar 41 and a claw 44, a convex rail 43 which is engaged with a rail 12 on the cavity 1 is arranged above the claw 44, the convex rail 43 can slide reciprocally along the rail 12, an operator can push and pull the handle bar 41 to enable the movable claw 4 to slide reciprocally along the rail 12, so as to achieve hooking or releasing of the rear axle 8 of the machine tool, when the fixed claw 11 hooks the front axle 7 of the machine tool, the quick connector rotates around the front axle 7 of the machine tool through the fixed claw 11 so as to enable the rear axle 8 of the machine tool to fall into a 14 clamping opening, so that the movable claw 4 can rapidly hook the rear axle 8 of the machine tool, and the connection of the machine tool is achieved; an initial positioning hole 42 and a working positioning hole 45 are arranged above the convex rail 43.
When the safety pin 5 sequentially passes through the fixing hole 13 and the initial positioning hole 42 of the cavity 1, the movable hook 4 is positioned, the position is the restoring position of the movable hook 4, and when the operator pushes the handle bar 41 to hook the rear shaft 8 of the machine tool, the movable hook 4 is positioned by sequentially passing through the fixing hole 13 and the working positioning hole 45 of the cavity 1 through the safety pin 5, as shown in fig. 4.
Example 2
The hydraulic quick connector as shown in fig. 5-8 comprises a cavity 1, wherein a first connecting shaft 2 and a second connecting shaft 3 are arranged at the top of the cavity 1 and are respectively used for realizing connection between the quick connector and a bucket rod and a connecting rod of a working device; one end of the bottom of the cavity 1 is provided with a fixed claw 11 for hooking the front shaft 7 of the machine tool, the other end of the bottom of the cavity 1 is provided with a clamping opening 14, the clamping opening 14 is provided with a movable claw 4 rotating around the clamping opening 14, and the cavity 1 is internally provided with an oil cylinder 6 for driving the movable claw 4 to reciprocate.
As shown in fig. 6, a rail 12 is provided on the cavity 1 above the clamping opening 14, a fixing hole 13 is provided on the cavity 1 above the rail 12 for placing the safety pin 5, and an oil cylinder root installation shaft hole 15 is provided on one side of the cavity 1 near the fixed hook 11 for installing the oil cylinder 6.
As shown in fig. 7, the movable hook 4 includes a hook 43 and an ear plate 46 connected with the hook 43, the ear plate 46 is provided with an oil cylinder mounting hole 461 for connecting with an oil cylinder 6, driving of the oil cylinder 6 to the movable hook 4 is achieved, a convex rail 43 engaged with the rail 12 on the cavity 1 is provided above the hook 44, the oil cylinder 6 drives the ear plate 46 to push the convex rail 43 to slide reciprocally along the rail 12, and a notch 462 is also provided on the ear plate 46.
When the movable hook 4 is in the initial state, the safety pin 5 is inserted into the fixed hole 13 as shown in fig. 8; when the movable claw 4 hooks the rear axle 8 of the machine tool, the safety pin 5 is arranged in the notch 462, so that the failure of the oil cylinder 6 can be prevented, the movable claw 4 is retracted, the rear axle 8 of the machine tool is loosened, and danger is caused.
The foregoing description of embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described, and these modifications and variations should also be considered as being within the scope of the invention.
Claims (10)
1. The utility model provides a quick connector, its characterized in that includes the cavity, the cavity top is equipped with the connecting axle of connection working device, the one end of cavity bottom is equipped with fixed hook, and the bottom other end is equipped with the clamp mouth, clamp mouth department is equipped with the movable hook around clamp mouth axis rotation, cavity and movable hook pass through intermeshing's track structure sliding connection, movable hook passes through the shear pin and fixes a position on the cavity.
2. The quick connector of claim 1, wherein the connecting shaft comprises a first connecting shaft and a second connecting shaft for connecting an arm and a link of a work device, respectively.
3. The quick connector of claim 1, wherein the track structure comprises a track and a cam engaged with the track, the track being disposed on the cavity or movable finger, the corresponding cam being disposed on the movable finger or cavity to enable the movable finger to slide reciprocally.
4. A quick connector according to claim 3, wherein the movable finger comprises a driving member and a finger, the driving member pushing the finger to slide.
5. The quick connector of claim 4, wherein the quick connector is a mechanical quick connector, the driving member is a handle bar connected to the claw, and the handle bar is pushed or pulled to drive the claw.
6. The quick connector of claim 5, wherein the movable finger is provided with a plurality of positioning holes, the cavity is provided with a fixed hole, and the safety pin connects the positioning holes with the fixed holes on the cavity to position the movable finger when the handle rod pushes the finger to slide to different positions.
7. The quick connector according to claim 4, wherein the quick connector is a hydraulic quick connector, an oil cylinder is arranged in the cavity, the driving piece is an ear plate connected with the claw, and the ear plate is connected with the oil cylinder to drive the movable claw by the oil cylinder.
8. The quick connector of claim 7, wherein the cavity has a cylinder root mounting hole on a side thereof adjacent to the fixed knuckle, and the ear plate has a cylinder mounting hole.
9. The quick connector of claim 7, wherein the ear plate has a recess, the cavity has a securing hole, and the securing pin connects the recess with the securing hole in the cavity to position the moveable finger.
10. The quick connector of claim 1, wherein the cavity and moveable fingers are structural components or unitary forgings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210410053.5A CN114809154B (en) | 2022-04-19 | 2022-04-19 | Quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210410053.5A CN114809154B (en) | 2022-04-19 | 2022-04-19 | Quick connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114809154A CN114809154A (en) | 2022-07-29 |
| CN114809154B true CN114809154B (en) | 2024-01-23 |
Family
ID=82505411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210410053.5A Active CN114809154B (en) | 2022-04-19 | 2022-04-19 | Quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114809154B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116607593B (en) * | 2023-07-03 | 2023-10-17 | 徐州巴特工程机械股份有限公司 | General quick change connector of excavator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030026519A (en) * | 2001-09-26 | 2003-04-03 | 주식회사 한우티엔씨 | Attachment coupling device for heavy industrial equipment |
| KR20130002437U (en) * | 2011-10-14 | 2013-04-24 | 이해선 | Quick coupler for excavator |
| CN206368384U (en) * | 2016-12-30 | 2017-08-01 | 赵卫乐 | A kind of double safely and fast connectors of auto-manual |
| CN209669969U (en) * | 2019-01-31 | 2019-11-22 | 烟台齐邦机械有限公司 | A kind of quick connector on backacter |
| CN210887383U (en) * | 2019-08-30 | 2020-06-30 | 温州金茂建设有限公司 | Quick connector of excavator |
| CN113557336A (en) * | 2018-11-30 | 2021-10-26 | 休斯资产集团有限公司 | Coupling device |
-
2022
- 2022-04-19 CN CN202210410053.5A patent/CN114809154B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030026519A (en) * | 2001-09-26 | 2003-04-03 | 주식회사 한우티엔씨 | Attachment coupling device for heavy industrial equipment |
| KR20130002437U (en) * | 2011-10-14 | 2013-04-24 | 이해선 | Quick coupler for excavator |
| CN206368384U (en) * | 2016-12-30 | 2017-08-01 | 赵卫乐 | A kind of double safely and fast connectors of auto-manual |
| CN113557336A (en) * | 2018-11-30 | 2021-10-26 | 休斯资产集团有限公司 | Coupling device |
| CN209669969U (en) * | 2019-01-31 | 2019-11-22 | 烟台齐邦机械有限公司 | A kind of quick connector on backacter |
| CN210887383U (en) * | 2019-08-30 | 2020-06-30 | 温州金茂建设有限公司 | Quick connector of excavator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114809154A (en) | 2022-07-29 |
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