CN108222115A - A kind of excavator bucket teeth - Google Patents
A kind of excavator bucket teeth Download PDFInfo
- Publication number
- CN108222115A CN108222115A CN201711381108.XA CN201711381108A CN108222115A CN 108222115 A CN108222115 A CN 108222115A CN 201711381108 A CN201711381108 A CN 201711381108A CN 108222115 A CN108222115 A CN 108222115A
- Authority
- CN
- China
- Prior art keywords
- pin member
- protrusion
- main body
- turning groove
- toothholder
- 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.)
- Granted
Links
- 230000000670 limiting effect Effects 0.000 claims abstract description 34
- 230000000452 restraining effect Effects 0.000 claims abstract description 28
- 230000000694 effects Effects 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
Classifications
-
- 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
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2808—Teeth
Abstract
The present invention provides a kind of excavator bucket teeth, including：Bucket tooth main body, equipped with the cavity with opening, the opening of cavity is located at bucket tooth body tail section；Toothholder, head can be inserted into cavity；Connect position limiting structure, including connection pin member and the locating part mounted on toothholder head, connection pin member may pass through bucket tooth main body and toothholder head and the two link together, it connects pin member one end outer wall and is equipped with pin member protrusion, turning groove is equipped on the outside of toothholder head, and restraining position is equipped in turning groove, turning groove is blocked by the cavity inner wall of bucket tooth main body, locating part is located near restraining position, when connecting pin member connection, pin member protrusion is located in turning groove and can circumferentially rotate, pin member protrusion is limited part limiting after being transferred to restraining position, locating part connects pin member for circumferential limit, bucket tooth main body shelters from the part of turning groove and connects pin member for axial limiting.It is relatively reliable that this excavator bucket teeth has the advantages that bucket tooth main body connects limiting with toothholder.
Description
Technical field
The invention belongs to bucket tooth technical fields, are related to a kind of excavator bucket teeth.
Background technology
Excavator bucket teeth is the wear parts of excavator, generally comprises the bucket tooth main body connected by pin member and toothholder.
In the prior art, pin member generally directly knocks in toothholder and fixes bucket tooth main body or pin member is passed through toothholder and bucket tooth main body, and
Corresponding position limiting structure on bucket tooth is set, such as limit protrusion is set on toothholder, corresponding limiting groove is dug in pin member.
In this regard, present invention design is a kind of easier for installation, connection limits relatively reliable excavator bucket teeth.
Invention content
The purpose of the present invention is being directed to existing technology, there are the above problems, it is proposed that a kind of compact in design, bucket tooth main body
It is connected with toothholder and limits relatively reliable excavator bucket teeth.
The purpose of the present invention can be realized by following technical proposal：A kind of excavator bucket teeth, including：
Bucket tooth main body, equipped with the cavity with opening, the opening of the cavity is located at bucket tooth body tail section；
Toothholder, head can be inserted into the cavity；
Position limiting structure is connected, for connecting bucket tooth main body and toothholder, the connection position limiting structure includes connection pin member and peace
Locating part mounted in toothholder head, the connection pin member may pass through bucket tooth main body and toothholder head and the two link together,
Described connection pin member one end outer wall is equipped with pin member protrusion, turning groove is equipped on the outside of toothholder head, and in turning groove
Equipped with restraining position, the turning groove is blocked by the cavity inner wall of bucket tooth main body, and the locating part is located near restraining position,
During the connection pin member connection, pin member protrusion is located in turning groove and can circumferentially rotate, and the pin member protrusion is transferred to the limit
Part limiting is limited behind the position of position, the locating part connects pin member for circumferential limit, and it is recessed that the bucket tooth main body shelters from rotation
The part of slot connects pin member for axial limiting.
As a further improvement on the present invention, the locating part is provided with flexible limit protrusion, the limit convex
It rises and stretches into the inlet that turning groove is placed in restraining position, the pin member protrusion can push limit protrusion aside when rotateing in place and go forward side by side
Enter restraining position, after pin member projects through, the limit protrusion resets and pin member protrusion is circumferential under own resilience effect
It is limited in restraining position.
As the further improvement of the present invention, the lateral surface that the pin member protrusion is contacted with limit protrusion is set as arc
Face, the lateral surface of the limit protrusion are set as the curved guiding surface structure being adapted to pin member protrusion arc face.
As the present invention further improvement, from turning groove outside seen to turning groove internal direction, the limiting
The width of protrusion successively decreases.
As a further improvement on the present invention, the connector passed through for connection pin member is equipped in bucket tooth main body at least side,
The connector is equipped with the raised entrance projected through for pin member, and the toothholder head corresponds to outside and is equipped with above-mentioned turning groove.
As the further improvement of the present invention, the connector passed through for connection pin member is equipped in bucket tooth main body both sides,
Corresponding turning groove is equipped in toothholder head on both sides.
As a further improvement on the present invention, the limiting groove with turning groove adaptation, institute are equipped on the outside of toothholder head
Locating part is stated closely to be embedded in limiting groove.
As the further improvement of the present invention, the locating part whole installation is flexible structure.
As another improvement of the present invention, the pin member protrusion and connection pin member are connected as a single entity.
As another improvement of the present invention, the described one end of connection pin member far from pin member protrusion is equipped with adjustment hole.
Based on above-mentioned technical proposal, the embodiment of the present invention can at least generate following technique effect：This excavator bucket teeth is whole
Body topology layout is compact, and during installation, bucket tooth main body is inserted in the head of toothholder, and the connection pin member with pin member protrusion passes through bucket tooth main body
With toothholder head, until pin member protrudes out into turning groove, rotation connection pin member causes pin member to protrude out into restraining position and quilt
Locating part limits, and connects the installation of pin member at this time and realizes circumferential limiting, and since turning groove is located in cavity and by bucket tooth
Main body is blocked, therefore bucket tooth main body shelters from the cooperation of the part and turning groove bottom of turning groove, realizes connection pin member
Axial limiting, connecting can only realize when the pin member protrusion of pin member moves in turning groove and circumferentially rotate, and especially be moved to
After position to restraining position, the double limitation of circumferential and axial is more realized so that bucket tooth main body connects limiting with toothholder and more may be used
It leans on, it is thus also avoided that connection pin member axial float.
Description of the drawings
The specific embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is the structure diagram of a preferred embodiment of the present invention.
Fig. 2 is the part-structure schematic diagram of a preferred embodiment of the present invention.
Fig. 3 is the structure diagram of toothholder in a preferred embodiment of the present invention.
Fig. 4 is the structure diagram of bucket tooth main body in a preferred embodiment of the present invention.
Fig. 5 is the structure diagram that pin member is connected in a preferred embodiment of the present invention.
In figure, 10, bucket tooth main body；11st, cavity；12nd, connector；121st, raised entrance；20th, toothholder；21st, turning groove；
211st, restraining position；22nd, limiting groove；30th, pin member is connected；31st, pin member protrusion；40th, locating part；41st, limit protrusion.
Specific embodiment
The following is specific embodiments of the present invention and with reference to attached drawing, technical scheme of the present invention is further described,
But the present invention is not limited to these embodiments.
Technical solution provided by the invention is illustrated in more detail with reference to Fig. 1 to Fig. 5.
As shown in Figures 1 to 5, this excavator bucket teeth includes：
Bucket tooth main body 10, equipped with the cavity 11 with opening, the opening of the cavity 11 is located at 10 tail portion of bucket tooth main body；
Toothholder 20, head can be inserted into the cavity 11；
Position limiting structure is connected, for connecting bucket tooth main body 10 and toothholder 20, the connection position limiting structure includes connection pin member
30 and the locating part 40 mounted on 20 head of toothholder, the connection pin member 30 may pass through bucket tooth main body 10 and 20 head of toothholder and will
The two links together, and 30 one end outer wall of the connection pin member is equipped with pin member protrusion 31, is equipped with and turns on the outside of 20 head of toothholder
Dynamic groove 21, and restraining position 211 is equipped in turning groove 21, the turning groove 21 is by the cavity 11 of bucket tooth main body 10
Wall blocks, and the locating part 40 is located near restraining position 211, and when the connection pin member 30 connects, pin member protrusion 31, which is located at, to be turned
It in dynamic groove 21 and can circumferentially rotate, the pin member protrusion 31, which is transferred to after the restraining position 211, to be limited part 40 and limit, described
Locating part 40 connects pin member 30 for circumferential limit, and the bucket tooth main body 10 shelters from the part of turning groove 21 and limited for axial
Position connection pin member 30.
In the present invention, to ensure that connection pin member 30 effect that rotate in place can more directly know that restraining position 211 is set
It is placed in the end of turning groove 21 or close to end position, the sense contacted with groove terminal is had after connection pin member 30 arrives at
Should, it installs more convenient, also ensures limit effect.
And in order to ensure structural strength and connect the stability of 30 activity of pin member, preferably pin member protrusion 31 and connection pin member
30 are connected as a single entity, and connection pin member 30 is not exposed outside bucket tooth main body 10 after inserting or slightly exposed.
The present invention protects a kind of excavator bucket teeth, and integral structure layout is compact, and during installation, bucket tooth main body 10 is inserted in toothholder 20
Head, the connection pin member 30 with pin member protrusion 31 pass through 20 head of bucket tooth main body 10 and toothholder, until pin member protrusion 31 enter
Turning groove 21, rotation connection pin member 30 cause pin member protrusion 31 enters restraining position 211 and is limited part 40 to limit, connect at this time
The installation of outbound part 30 realizes circumferential limiting, and is located in cavity 11 due to turning groove 21 and is blocked by bucket tooth main body 10,
Therefore bucket tooth main body 10 shelters from the cooperation of 21 bottom of part and turning groove of turning groove 21, realizes connection pin member 30
Axial limiting, the pin member protrusion 31 of connection pin member 30 can only be realized when being moved in turning groove 21 and be circumferentially rotated, and particularly be moved
It is dynamic in place to the double limitation for after restraining position 211, more realizing circumferential and axial so that bucket tooth main body 10 and toothholder 20 connect
Limit it is relatively reliable, also avoid connection 30 axial float of pin member.
Further, preferably locating part 40 is provided with flexible limit protrusion 41, the limit protrusion 41 in the present invention
It is preferred that being made by the flexible material such as rubber material, the limit protrusion 41 stretches into turning groove 21 and is placed in restraining position
211 inlet, the pin member protrusion 31 can push limit protrusion 41 aside and enter restraining position 211 when rotateing in place, pin member is convex
31 are played by rear, the limit protrusion 41 resets under own resilience effect and pin member protrusion 31 is circumferentially limited in limiting position
It puts in 211, elastic limit protrusion 41 also has pin member protrusion 31 after pin member protrusion 31 enters restraining position 211 further
Compression effect, have friction fit effect, it is made to be not easy to exit, also with damping effect.
Such topology layout, the connection pin member 30 with protrusion and the locating part 40 with protrusion are fitted close, and limiting is more
Reliably, it is easier for installation, it is not easy to wear between component, and also above-mentioned pin member protrusion 31 can be single into restraining position 211
To irreversible, i.e., limit protrusion 41 be set as check configuration, play self-locking effect；Pin member protrusion 31 can also preferably be inverted
It is convenient that limit protrusion 41 can be pushed aside again and exit restraining position 211, ensure to safeguard and dismantled.
As a kind of preferred or optional embodiment, further to avoid wearing, blocking is avoided, and do not influence circumferential limit
Position effect, the lateral surface that pin member protrusion 31 is contacted with limit protrusion 41 are set as arcwall face, the lateral surface of the limit protrusion 41
The curved guiding surface structure with the raised 31 arcwall faces adaptation of pin member is set as, such structure setting can also improve bucket tooth and use the longevity
Life.
It is seen outside from turning groove 21 to 21 internal direction of turning groove, the width of the limit protrusion 41 successively decreases, in this way
The relatively narrow topology layout in head so that pin member protrusion 31 pushes limit protrusion 41 aside more quickly, reliably, and limit protrusion 41 is extensive
Multiple also than very fast, the wider structural strength that can also ensure limit protrusion 41 in rear is avoided tearing or be fractureed, and ensures the tight of connection
Close property.
It is inserted into for convenience of connection pin member 30, it is preferable that be equipped in at least side of bucket tooth main body 10 and passed through for connection pin member 30
Connector 12, connector 12 connects with cavity 11, the connector 12 be equipped with for pin member protrusion 31 by raised entrance
121,20 head of toothholder corresponds to outside and is equipped with above-mentioned turning groove 21, except raised 121 position of entrance, turning groove 21
Rest part is blocked by bucket tooth main body 10, is respectively provided with axial limiting effect.
Further, it is more flexible to install, it is equipped with what is passed through for connection pin member 30 in 10 both sides of bucket tooth main body
Connector 12 is equipped with corresponding turning groove 21 in 20 head on both sides of toothholder, and where is the selection of connection pin member 30 of this belt transect protrusion
Side is inserted into, highly practical.
To ensure the reliability of installation and docking, it is preferable that be equipped on the outside of 20 head of toothholder and turning groove 21 is adapted to
Limiting groove 22, the locating part 40 is closely embedded in limiting groove 22, and limiting groove 22 and turning groove 21 connect
Logical, limit protrusion 41 is stretched by link position in turning groove 21.
To ensure the reliability of work, 40 whole installation of locating part is flexible structure, i.e. 40 main part of locating part
Divide and limit protrusion 41 is integrated.
Further, the one end of connection pin member 30 far from pin member protrusion 31 is equipped with adjustment hole, and connection pin member 30 is facilitated to be inserted into
Connection pin member 30 is driven to rotate by tools such as external screwdrivers afterwards, and then realize limiting.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of excavator bucket teeth, including：
Bucket tooth main body, equipped with the cavity with opening, the opening of the cavity is located at bucket tooth body tail section；
Toothholder, head can be inserted into the cavity；
Position limiting structure is connected, for connecting bucket tooth main body and toothholder, it is characterised in that：The connection position limiting structure includes connecting pin
Part and the locating part mounted on toothholder head, the connection pin member may pass through bucket tooth main body and toothholder head and be connected to the two
Together, described connection pin member one end outer wall is equipped with pin member protrusion, turning groove is equipped on the outside of toothholder head, and recessed rotating
Slot is equipped with restraining position, and the turning groove is blocked by the cavity inner wall of bucket tooth main body, and the locating part is located at restraining position
Near, when the connection pin member connects, pin member protrusion is located in turning groove and can circumferentially rotate, and the pin member protrusion is transferred to institute
Part limiting is limited after stating restraining position, the locating part connects pin member for circumferential limit, and the bucket tooth main body, which shelters from, to be turned
The part of dynamic groove connects pin member for axial limiting.
2. a kind of excavator bucket teeth according to claim 1, it is characterised in that：The locating part is provided with flexible
Limit protrusion, the limit protrusion stretch into the inlet that turning groove is placed in restraining position, and the pin member protrusion rotate in place
When can push limit protrusion aside and into restraining position, after pin member projects through, the limit protrusion is under own resilience effect
It resets and is circumferentially limited in pin member protrusion in restraining position.
3. a kind of excavator bucket teeth according to claim 2, it is characterised in that：The pin member protrusion is contacted with limit protrusion
Lateral surface be set as arcwall face, the lateral surface of the limit protrusion is set as the curved guiding surface being adapted to pin member protrusion arc face
Structure.
4. a kind of excavator bucket teeth according to claim 2, it is characterised in that：Outside from turning groove into turning groove
Portion sees in direction that the width of the limit protrusion successively decreases.
5. a kind of excavator bucket teeth according to any one of claims 1 to 4, it is characterised in that：In bucket tooth main body at least one
Side is equipped with the connector passed through for connection pin member, and the connector is equipped with the raised entrance projected through for pin member, the toothholder
Head corresponds to outside and is equipped with above-mentioned turning groove.
6. a kind of excavator bucket teeth according to claim 5, it is characterised in that：It is equipped in bucket tooth main body both sides for connection
The connector that pin member passes through is equipped with corresponding turning groove in toothholder head on both sides.
7. a kind of excavator bucket teeth according to any one of claims 1 to 4, it is characterised in that：It is set on the outside of toothholder head
There is the limiting groove being adapted to turning groove, the locating part is closely embedded in limiting groove.
8. according to a kind of excavator bucket teeth of claim 2 to 4 any one of them, it is characterised in that：The locating part is integrally set
It is set to flexible structure.
9. a kind of excavator bucket teeth according to any one of claims 1 to 4, it is characterised in that：The pin member is raised and connects
Outbound part is connected as a single entity.
10. a kind of excavator bucket teeth according to any one of claims 1 to 4, it is characterised in that：The connection pin member is separate
One end of pin member protrusion is equipped with adjustment hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711381108.XA CN108222115B (en) | 2017-12-20 | 2017-12-20 | Excavator bucket tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711381108.XA CN108222115B (en) | 2017-12-20 | 2017-12-20 | Excavator bucket tooth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108222115A true CN108222115A (en) | 2018-06-29 |
| CN108222115B CN108222115B (en) | 2020-10-30 |
Family
ID=62649984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711381108.XA Active CN108222115B (en) | 2017-12-20 | 2017-12-20 | Excavator bucket tooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108222115B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729497A (en) * | 2018-07-16 | 2018-11-02 | 宁波市鄞州精铸五金厂 | A kind of excavator bucket teeth |
| CN109826275A (en) * | 2019-03-04 | 2019-05-31 | 宁波禾顺新材料有限公司 | A kind of connector and the wear parts for excavating equipment |
| CN111794308A (en) * | 2020-07-27 | 2020-10-20 | 宁波市鄞州精铸五金厂 | Bucket tooth for excavator |
| CN111794307A (en) * | 2020-07-27 | 2020-10-20 | 宁波市鄞州精铸五金厂 | Excavator bucket tooth |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997021880A1 (en) * | 1995-12-11 | 1997-06-19 | Esco Corporation | Excavating tooth |
| JP3181586U (en) * | 2012-12-01 | 2013-02-14 | 博 岡本 | Detachable structure of the tooth for bucket |
| CN105484313A (en) * | 2016-01-07 | 2016-04-13 | 宁波市鄞州精铸五金厂 | Improved excavator bucket tooth |
| CN205314154U (en) * | 2016-01-07 | 2016-06-15 | 宁波市鄞州精铸五金厂 | Improved generation excavator bucket tooth |
| CN205857281U (en) * | 2016-07-21 | 2017-01-04 | 应国斌 | A kind of assembling structure of bucket tooth and toothholder |
-
2017
- 2017-12-20 CN CN201711381108.XA patent/CN108222115B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997021880A1 (en) * | 1995-12-11 | 1997-06-19 | Esco Corporation | Excavating tooth |
| JP3181586U (en) * | 2012-12-01 | 2013-02-14 | 博 岡本 | Detachable structure of the tooth for bucket |
| CN105484313A (en) * | 2016-01-07 | 2016-04-13 | 宁波市鄞州精铸五金厂 | Improved excavator bucket tooth |
| CN205314154U (en) * | 2016-01-07 | 2016-06-15 | 宁波市鄞州精铸五金厂 | Improved generation excavator bucket tooth |
| CN205857281U (en) * | 2016-07-21 | 2017-01-04 | 应国斌 | A kind of assembling structure of bucket tooth and toothholder |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729497A (en) * | 2018-07-16 | 2018-11-02 | 宁波市鄞州精铸五金厂 | A kind of excavator bucket teeth |
| CN109826275A (en) * | 2019-03-04 | 2019-05-31 | 宁波禾顺新材料有限公司 | A kind of connector and the wear parts for excavating equipment |
| CN111794308A (en) * | 2020-07-27 | 2020-10-20 | 宁波市鄞州精铸五金厂 | Bucket tooth for excavator |
| CN111794307A (en) * | 2020-07-27 | 2020-10-20 | 宁波市鄞州精铸五金厂 | Excavator bucket tooth |
| CN111794308B (en) * | 2020-07-27 | 2024-01-16 | 宁波市鄞州精铸五金厂 | Bucket tooth for excavator |
| CN111794307B (en) * | 2020-07-27 | 2024-01-16 | 宁波市鄞州精铸五金厂 | Excavator bucket tooth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108222115B (en) | 2020-10-30 |
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Effective date of registration: 20231013 Address after: No. 17 Ruilong Road, Lingang Equipment Industrial Park, Xianxiang Town, Xiangshan County, Ningbo City, Zhejiang Province, 315700 (self declared) Patentee after: Lingfeng Mining Machinery (Xiangshan) Co.,Ltd. Address before: 315135, Zhejiang, Ningbo province Yinzhou District Yunlong Town Lotus Bridge Village Patentee before: NINGBO YINZHOU PRECISION CASTING HARDWARE FACTORY |
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