CN204225191U - Excavator bucket teeth - Google Patents
Excavator bucket teeth Download PDFInfo
- Publication number
- CN204225191U CN204225191U CN201420541146.2U CN201420541146U CN204225191U CN 204225191 U CN204225191 U CN 204225191U CN 201420541146 U CN201420541146 U CN 201420541146U CN 204225191 U CN204225191 U CN 204225191U
- Authority
- CN
- China
- Prior art keywords
- main body
- projection
- installation portion
- toothholder
- rotor
- 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.)
- Expired - Fee Related
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- Component Parts Of Construction Machinery (AREA)
Abstract
The utility model provides a kind of excavator bucket teeth, comprise the bucket tooth and toothholder that are connected by connector, described bucket tooth afterbody is bucket tooth installation portion, toothholder end is toothholder installation portion, connector comprises connector main body and is rotatably connected on the rotor at connector main body two ends, spiral elasticity part is connected with between rotor and connector main body, connector main body is axially arranged with the first projection, rotor is axially arranged with the second projection, second projection and described first projection are not on the same line, toothholder installation portion is provided with the through hole matched with connector main body and the first groove matched with the first projection, bucket tooth installation portion is provided with the installing hole matched with connector main body and the second groove matched with the first projection, the lateral surface of bucket tooth installation portion be also provided with to match with described second projection and draw-in groove.Excavator bucket teeth of the present utility model, has auto-lock function, can prevent connector from coming off, and bucket tooth and toothholder is connected firmly and easy and simple to handle.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of component of excavator, especially relates to a kind of excavator bucket teeth.
Background technology
Excavator bucket teeth is one of excavator equipment important spare part, and generally comprise the bucket tooth and toothholder that are connected by connector, toothholder is then fixedly mounted on the forefront of power shovel.Because excavator working environment is quite severe, during construction, excavator bucket teeth directly collides with construction object, excavator bucket teeth and toothholder is caused constantly to be subject to many-sided powerful anti-force effect, connector has become the conduction maincenter of powerful active force between bucket tooth and toothholder, during momentary action, connector is the main supporting body of strength.Therefore; the excavator worked long hours usually there will be connector and loosens; generation between bucket tooth and toothholder is caused to rock; so further accelerate the wearing and tearing between bucket tooth and toothholder; even occur that connector is worn and landing; thus cause excavator cisco unity malfunction, meanwhile, regular replacing bucket tooth also increases cost.
Summary of the invention
For the defect that above prior art exists, problem to be solved in the utility model is to provide a kind ofly to be had auto-lock function, prevent connector from coming off, bucket tooth and toothholder is connected firmly and excavator bucket teeth easy and simple to handle.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: provide a kind of excavator bucket teeth, comprise the bucket tooth and toothholder that are connected by connector, described bucket tooth afterbody is bucket tooth installation portion, described toothholder end is toothholder installation portion, it is characterized in that: described connector comprises connector main body and is rotatably connected on the rotor at described connector main body two ends, spiral elasticity part is connected with between described rotor and connector main body, described connector main body is axially arranged with the first projection, described rotor is axially arranged with the second projection, described second projection and described first projection are not on the same line, described toothholder installation portion is provided with the through hole matched with described connector main body and the first groove matched with the first projection, described bucket tooth installation portion is provided with the installing hole matched with described connector main body and the second groove matched with the first projection, the lateral surface of bucket tooth installation portion be also provided with to match with described second projection and draw-in groove.
Further, described toothholder installation portion is provided with some positioning strips, and described bucket tooth installation portion is provided with the locating slot that some and described positioning strip matches.
Further, described connector is connecting pin, and connector main body is connecting pin main body, and described connecting pin main body and described rotor are column type, and connecting pin main body is identical with the external diameter of rotor.
Further, described connecting pin main body two ends are installed with connecting rod, and described rotor is installed in rotation on the end of described connecting rod, and described spiral elasticity part is arranged around described connecting rod, one end of spiral elasticity part connects described connecting pin main body, and the other end connects described rotor.
Further, the two ends of described connecting pin main body are provided with the first arc shaft shoulder, one end of the relatively described connecting pin main body of described rotor is provided with the second arc shaft shoulder, one end of described spiral elasticity part is fixedly connected on the end face of the described first arc shaft shoulder, and the other end is fixedly connected on the end face of the described second arc shaft shoulder.
Further, described spiral elasticity part is helical spring.
The advantage that the utility model has and beneficial effect are: connecting pin main body two ends are by helical spring connection of rotating body rotationally, connecting pin main body is provided with the first projection, rotor is provided with the second projection, when assembling, rotatable rotor makes the second projection be located along the same line, so that be installed to by connecting pin in bucket tooth and toothholder with the first projection, and due to helical spring effect, after rotor stretches out installing hole, rotor playbacks, and is that the second projection is stuck in draw-in groove; After assembling, first projection is stuck in the first groove of toothholder installation portion and the second groove of bucket tooth installation portion simultaneously, rotate relative to toothholder to prevent bucket tooth, bucket tooth and toothholder are connected firmly, second projection is stuck in the draw-in groove outside bucket tooth installation portion, under helical spring effect, can effectively prevent rotor from rotating, thus realize the auto-lock function of connecting pin, effectively prevent coming off of connecting pin; Toothholder installation portion establishes positioning strip, inside bucket tooth installation portion, is provided with the locating slot matched with positioning strip, effectively can ensure that toothholder and bucket tooth are installed firmly, make it connect more firm; During dismounting, only need pull out the rotor of one end, make the second projection be positioned at outside draw-in groove, rotary motion body makes the second projection align with the second groove simultaneously, pushes away, then extracted by whole connecting pin from other side to other one end, easy and simple to handle.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of toothholder of the present utility model;
Fig. 3 is the structural representation of bucket tooth of the present utility model;
Fig. 4 is the structure sectional view of bucket tooth of the present utility model;
Fig. 5 is the structural representation of the utility model connecting pin
Fig. 6 is the part-structure schematic diagram of connecting pin of the present utility model;
Fig. 7 is the front view of connecting pin of the present utility model.
In figure: 1, toothholder; 11, toothholder installation portion; 12, positioning strip; 13, the second groove; 14, through hole; 2, bucket tooth; 21, bucket tooth installation portion; 22, the second groove; 23, installing hole; 24, draw-in groove; 25, locating slot; 31, connecting pin main body; 32, connecting rod; 33, rotor; 34, second is protruding; 35, helical spring; 36, first is protruding; 37, the first arc shaft shoulder; 38, the second arc shaft shoulder.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiment of the utility model is elaborated.
As shown in Fig. 1-Fig. 7, the utility model provides a kind of excavator bucket teeth, and comprise the bucket tooth 2 and toothholder 1 that are connected by connector, bucket tooth 2 afterbody is bucket tooth installation portion 21, and toothholder 1 end is toothholder installation portion 11.
Connector is connecting pin, and comprise connecting pin main body 31 and the rotor 33 being rotatably connected on connecting pin main body 31 two ends, connecting pin main body 31 and rotor 33 are cylinder, and connecting pin main body 31 is identical with the external diameter of rotor 33.The two ends of connecting pin main body 31 are installed with connecting rod 32, and rotor 33 is rotatably connected on connecting rod 32, and the diameter of connecting rod 32 is less than the diameter of connecting pin main body 31.Connecting pin main body 31 is axially arranged with the first projection 36, rotor 33 is axially arranged with the second projection 34, second protruding 34 and the first projection 36 not on the same line.Be connected with spiral elasticity part between rotor 33 and connecting pin main body 31, this spiral elasticity part is helical spring 35.The two ends of connecting pin main body 31 are provided with the first arc shaft shoulder 37, the end face that rotor 33 is relative with connecting pin main body 31 is provided with the second arc shaft shoulder 37, helical spring 35 one end is connected on the end face of the first arc shaft shoulder 37, after connecting rod 32 rotates, the other end is fixedly connected on the end face of the second arc shaft shoulder 37.
Toothholder installation portion 11 is provided with the through hole 14 matched with connecting pin main body 31 and the first groove 13 matched with the first projection 36.Bucket tooth installation portion 21 is provided with the installing hole 23 matched with connecting pin main body 31 and the second groove 22 matched with the first projection 36, the lateral surface of bucket tooth installation portion 21 be also provided with to match with the second projection 34 and draw-in groove 24.
In order to prevent rocking between bucket tooth 2 and toothholder 1, strengthen it and connect, toothholder installation portion 11 is provided with some positioning strips 12 along installation direction, and bucket tooth installation portion 21 inwall is provided with some locating slots 25 matched with positioning strip 12.
The course of work: the bucket tooth installation portion 21 of bucket tooth 2 is assembled with the toothholder installation portion 11 of toothholder 1, positioning strip 12 on toothholder installation portion 11 is inserted in the locating slot 25 of bucket tooth installation portion 21, communicated with the through hole 14 of toothholder installation portion 11 by installing hole 23 on bucket tooth installation portion 21, the first groove 13 communicates with the second groove 22.Be rotationally connected the rotor 33 of pin one end, make the second protruding 34 and first projection 36 on the same line, now rotor 33 circumference acts on helical spring 35, rotor 33 and connecting pin main body 31 are inserted into successively in installing hole 23 and through hole 14, second protruding 34 and first protruding 36 are inserted the second groove 22 successively, in first groove 13 and the second groove 22, when second on rotor 33 mention 34 stretch out installing hole 23 outer time, under the effect of torsional spring 35, rotor 33 is kept in the center, now the second projection 34 is just stuck in the draw-in groove 24 of bucket tooth installation portion 21, similarly, the second projection 34 on the rotor 33 of one end in addition is also stuck in draw-in groove 24, under the active force of helical spring 35, connecting pin can be fixed between bucket tooth 2 and toothholder 1, effectively can prevent coming off of in work progress connecting pin like this, and now, first projection 36 is stuck in the first groove 13 and the second groove 22 simultaneously, also can prevent from rotating between bucket tooth 2 and toothholder 1.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (6)
1. an excavator bucket teeth, comprise the bucket tooth and toothholder that are connected by connector, described bucket tooth afterbody is bucket tooth installation portion, described toothholder end is toothholder installation portion, it is characterized in that: described connector comprises connector main body and is rotatably connected on the rotor at described connector main body two ends, spiral elasticity part is connected with between described rotor and connector main body, described connector main body is axially arranged with the first projection, described rotor is axially arranged with the second projection, described second projection and described first projection are not on the same line, described toothholder installation portion is provided with the through hole matched with described connector main body and the first groove matched with the first projection, described bucket tooth installation portion is provided with the installing hole matched with described connector main body and the second groove matched with the first projection, the lateral surface of bucket tooth installation portion be also provided with to match with described second projection and draw-in groove.
2. excavator bucket teeth according to claim 1, is characterized in that: described toothholder installation portion is provided with some positioning strips, and described bucket tooth installation portion is provided with the locating slot that some and described positioning strip matches.
3. excavator bucket teeth according to claim 1, is characterized in that: described connector is connecting pin, and connector main body is connecting pin main body, and described connecting pin main body and described rotor are column type, and connecting pin main body is identical with the external diameter of rotor.
4. excavator bucket teeth according to claim 3, it is characterized in that: described connecting pin main body two ends are installed with connecting rod, described rotor is installed in rotation on the end of described connecting rod, described spiral elasticity part is arranged around described connecting rod, one end of spiral elasticity part connects described connecting pin main body, and the other end connects described rotor.
5. excavator bucket teeth according to claim 3, it is characterized in that: the two ends of described connecting pin main body are provided with the first arc shaft shoulder, one end of the relatively described connecting pin main body of described rotor is provided with the second arc shaft shoulder, one end of described spiral elasticity part is fixedly connected on the end face of the described first arc shaft shoulder, and the other end is fixedly connected on the end face of the described second arc shaft shoulder.
6. the excavator bucket teeth according to claim 1 or 3, is characterized in that: described spiral elasticity part is helical spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420541146.2U CN204225191U (en) | 2014-09-19 | 2014-09-19 | Excavator bucket teeth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420541146.2U CN204225191U (en) | 2014-09-19 | 2014-09-19 | Excavator bucket teeth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204225191U true CN204225191U (en) | 2015-03-25 |
Family
ID=52923306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420541146.2U Expired - Fee Related CN204225191U (en) | 2014-09-19 | 2014-09-19 | Excavator bucket teeth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204225191U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484313A (en) * | 2016-01-07 | 2016-04-13 | 宁波市鄞州精铸五金厂 | Improved excavator bucket tooth |
| CN106836368A (en) * | 2016-12-30 | 2017-06-13 | 永平县建达鑫鑫合金铸造有限公司 | A kind of die forging method of modified bucket tooth and its tooth set |
| CN111794307A (en) * | 2020-07-27 | 2020-10-20 | 宁波市鄞州精铸五金厂 | Excavator bucket tooth |
-
2014
- 2014-09-19 CN CN201420541146.2U patent/CN204225191U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484313A (en) * | 2016-01-07 | 2016-04-13 | 宁波市鄞州精铸五金厂 | Improved excavator bucket tooth |
| CN106836368A (en) * | 2016-12-30 | 2017-06-13 | 永平县建达鑫鑫合金铸造有限公司 | A kind of die forging method of modified bucket tooth and its tooth set |
| CN106836368B (en) * | 2016-12-30 | 2022-10-14 | 永平县建达鑫鑫合金铸造有限公司 | Improved bucket tooth and die forging method of tooth sleeve of improved bucket tooth |
| CN111794307A (en) * | 2020-07-27 | 2020-10-20 | 宁波市鄞州精铸五金厂 | Excavator bucket tooth |
| CN111794307B (en) * | 2020-07-27 | 2024-01-16 | 宁波市鄞州精铸五金厂 | Excavator bucket tooth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20150919 |
|
| EXPY | Termination of patent right or utility model |