CN204628488U - Dual-tooth chain wheel - Google Patents
Dual-tooth chain wheel Download PDFInfo
- Publication number
- CN204628488U CN204628488U CN201520186695.7U CN201520186695U CN204628488U CN 204628488 U CN204628488 U CN 204628488U CN 201520186695 U CN201520186695 U CN 201520186695U CN 204628488 U CN204628488 U CN 204628488U
- Authority
- CN
- China
- Prior art keywords
- cylindrical body
- axle sleeve
- keyway
- dual
- chain wheel
- 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
Links
Abstract
The utility model discloses a kind of Dual-tooth chain wheel, comprise cylindrical body, two spaced sprocket tooth parts are provided with in the middle part of the outer wall of cylindrical body, circular groove is formed between two sprocket tooth parts, axle sleeve is provided with in cylindrical body, described axle sleeve outer wall is provided with the first keyway axially arranged along axle sleeve, the second keyway axially arranged along cylindrical body is provided with at the inwall of cylindrical body, first keyway and the second keyway corresponding and form placed channel between the first keyway and the second keyway, flat key is provided with in placed channel, circular orientation step is provided with at the other end of cylindrical body, circular orientation step is provided with at least one locating notch, described sleeve length is less than the length of cylindrical body, and one end of axle sleeve flushes with one end of cylindrical body, the other end of axle sleeve flushes with circular orientation step, described sleeve lining is provided with some oil storage holes, its design is more reasonable, has the function of selflubricating, long service life and practicability is stronger, is easy to location and assembling, and structure is simple and be easy to manufacture, low cost of manufacture.
Description
Technical field
The utility model belongs to power-transmitting part technical field, particularly relates to a kind of Dual-tooth chain wheel.
Background technique
Dual-tooth chain wheel is a common components in mechanical transmission course, and its structure is generally: connection portion, is provided with teeth in the outer rim of first disk body, is provided with axis hole at center, connection portion, is connected and fixed for installing.Low and the axis hole place of its structural strength of existing Dual-tooth chain wheel is without the function of selflubricating, and cause working life shorter, in order to solve prior art Problems existing, people have carried out long-term exploration, propose solution miscellaneous.
Such as, Chinese patent literature discloses a kind of Novel hoist Dual-tooth chain wheel, [application number: 200820041827.7], Dual-tooth chain wheel is Split chain wheel, be made up of the wheel hub that can be set on axle and the gear ring that matches with wheel hub, the edge of wheel hub is extended with first step, and on first step, radial direction is evenly distributed with the first bolt hole; Gear ring is provided with the second step matched with first step, and on second step, radial direction is evenly distributed with the second bolt hole matched with the first bolt hole; Wheel hub and gear ring are bolted, and the surface of bolt is provided with screw retention glue.The Novel hoist Dual-tooth chain wheel with above-mentioned special construction when chain bucket hoist Dual-tooth chain wheel changed by needs, can realize for convenience detach, save time, the cost-saving and advantage such as interchangeability good, working life is high.
Above-mentioned scheme improves the subproblem of prior art, particularly structural strength to a certain extent, but the program also at least exists following defect: design unreasonable, or without the effect of selflubricating, working life is short, secondly, not easily locates assembling.
Model utility content
The purpose of this utility model is for the problems referred to above, provides a kind of design more reasonable, the Dual-tooth chain wheel that long service life and being easy to is located.
For achieving the above object, the utility model have employed following technical proposal: this Dual-tooth chain wheel comprises cylindrical body, two spaced sprocket tooth parts are provided with in the middle part of the outer wall of cylindrical body, circular groove is formed between two sprocket tooth parts, axle sleeve is provided with in cylindrical body, described axle sleeve outer wall is provided with the first keyway axially arranged along axle sleeve, the second keyway axially arranged along cylindrical body is provided with at the inwall of cylindrical body, first keyway and the second keyway corresponding and form placed channel between the first keyway and the second keyway, flat key is provided with in placed channel, circular orientation step is provided with at the other end of cylindrical body, circular orientation step is provided with at least one locating notch, described sleeve length is less than the length of cylindrical body, and one end of axle sleeve flushes with one end of cylindrical body, the other end of axle sleeve flushes with circular orientation step, described sleeve lining is provided with some oil storage holes.
In above-mentioned Dual-tooth chain wheel, described oil storage hole is blind hole and the hole depth of oil storage hole is less than the wall thickness of axle sleeve.
In above-mentioned Dual-tooth chain wheel, described sleeve lining is provided with at least one and is positioned at circular groove in the middle part of axle sleeve.
In above-mentioned Dual-tooth chain wheel, described sleeve lining is also provided with one and is communicated with circular groove and groove depth is greater than the dump tank of circular groove groove depth.Axle sleeve is made up of powdered metallurgical material.
In above-mentioned Dual-tooth chain wheel, described oil storage hole is uniformly distributed.
In above-mentioned Dual-tooth chain wheel, described cylindrical body and sprocket tooth part are connected as a single entity structure.
Compared with prior art, the advantage of this Dual-tooth chain wheel is: 1, design is more reasonable, has the function of selflubricating, long service life and practicability is stronger, is easy to location and assembling.2, structure is simple and be easy to manufacture, low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is the detonation configuration schematic diagram that the utility model provides.
In figure, cylindrical body 1, second keyway 11, circular orientation step 12, locating notch 13, sprocket tooth part 2, axle sleeve 3, first keyway 31, oil storage hole 32, middle part circular groove 33, dump tank 34, circular groove a.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As shown in Figure 1, this Dual-tooth chain wheel comprises cylindrical body 1, and in the middle part of the outer wall of cylindrical body 1, be provided with two spaced sprocket tooth parts 2, cylindrical body 1 and sprocket tooth part 2 are connected as a single entity structure.Circular groove a is formed between two sprocket tooth parts 2.Sprocket tooth part 2 comprises disc and is arranged on some teeth of disc outer rim.
Axle sleeve 3 is provided with in cylindrical body 1, described axle sleeve 3 outer wall is provided with the first keyway 31 axially arranged along axle sleeve 3, the second keyway 11 axially arranged along cylindrical body 1 is provided with at the inwall of cylindrical body 1, first keyway 31 and the second keyway 11 corresponding and form placed channel between the first keyway 31 and the second keyway 11, flat key 4 is provided with in placed channel, circular orientation step 12 is provided with at the other end of cylindrical body 1, circular orientation step 12 is provided with at least one locating notch 13, described axle sleeve 3 length is less than the length of cylindrical body 1, and one end of axle sleeve 3 flushes with one end of cylindrical body 1, the other end of axle sleeve 3 flushes with circular orientation step 12, described axle sleeve 3 inwall is provided with some oil storage holes 32.Oil storage hole 32 is uniformly distributed.
Optimized project, the oil storage hole 32 of the present embodiment is blind hole and the hole depth of oil storage hole 32 is less than the wall thickness of axle sleeve 3.
Further, axle sleeve 3 inwall of the present embodiment is provided with at least one and is positioned at middle part circular groove 33 in the middle part of axle sleeve 3.Also be provided with one at axle sleeve 3 inwall to be communicated with middle part circular groove 33 and groove depth is greater than the dump tank 34 of middle part circular groove 33 groove depth.
In the present embodiment, selflubricating can be realized in conjunction with the structure of oil storage hole 32 owing to being provided with axle sleeve, next is provided with the first keyway 31 and the second keyway 11 and flat key 4 can realize axial fixing, in addition, be provided with circular orientation step 12 and locating notch 13 can so that locate with the installation of axle, practicability is stronger.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as cylindrical body 1, second keyway 11, circular orientation step 12, locating notch 13, sprocket tooth part 2, axle sleeve 3, first keyway 31, oil storage hole 32, middle part circular groove 33, dump tank 34, circular groove a herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (6)
1. a Dual-tooth chain wheel, comprise cylindrical body (1), two spaced sprocket tooth parts (2) are provided with in the middle part of the outer wall of cylindrical body (1), circular groove (a) is formed between two sprocket tooth parts (2), it is characterized in that, axle sleeve (3) is provided with in described cylindrical body (1), described axle sleeve (3) outer wall is provided with the first keyway (31) axially arranged along axle sleeve (3), the second keyway (11) axially arranged along cylindrical body (1) is provided with at the inwall of cylindrical body (1), first keyway (31) and the second keyway (11) corresponding and form placed channel between the first keyway (31) and the second keyway (11), flat key (4) is provided with in placed channel, circular orientation step (12) is provided with at the other end of cylindrical body (1), circular orientation step (12) is provided with at least one locating notch (13), described axle sleeve (3) length is less than the length of cylindrical body (1), and one end of axle sleeve (3) flushes with one end of cylindrical body (1), the other end of axle sleeve (3) flushes with circular orientation step (12), described axle sleeve (3) inwall is provided with some oil storage holes (32).
2. Dual-tooth chain wheel according to claim 1, is characterized in that, described oil storage hole (32) is for blind hole and the hole depth of oil storage hole (32) is less than the wall thickness of axle sleeve (3).
3. Dual-tooth chain wheel according to claim 1 and 2, is characterized in that, described axle sleeve (3) inwall is provided with the middle part circular groove (33) that at least one is positioned at axle sleeve (3) middle part.
4. Dual-tooth chain wheel according to claim 3, it is characterized in that, described axle sleeve (3) inwall is also provided with one and is communicated with middle part circular groove (33) and groove depth is greater than the dump tank (34) of middle part circular groove (33) groove depth.
5. Dual-tooth chain wheel according to claim 1 and 2, is characterized in that, described oil storage hole (32) is uniformly distributed.
6. Dual-tooth chain wheel according to claim 1 and 2, is characterized in that, described cylindrical body (1) and sprocket tooth part (2) are connected as a single entity structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520186695.7U CN204628488U (en) | 2015-03-31 | 2015-03-31 | Dual-tooth chain wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520186695.7U CN204628488U (en) | 2015-03-31 | 2015-03-31 | Dual-tooth chain wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204628488U true CN204628488U (en) | 2015-09-09 |
Family
ID=54047521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520186695.7U Expired - Fee Related CN204628488U (en) | 2015-03-31 | 2015-03-31 | Dual-tooth chain wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204628488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194616A (en) * | 2018-03-01 | 2018-06-22 | 宁波金鑫粉末冶金有限公司 | A kind of crankshaft chain wheel of automobile engine |
-
2015
- 2015-03-31 CN CN201520186695.7U patent/CN204628488U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194616A (en) * | 2018-03-01 | 2018-06-22 | 宁波金鑫粉末冶金有限公司 | A kind of crankshaft chain wheel of automobile engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201779229U (en) | Inter-wheel differential assembly using anti-rotation washers | |
| CN204628488U (en) | Dual-tooth chain wheel | |
| CN207715712U (en) | Swing drive axle connect lubrication system with swinging mounting | |
| CN205578704U (en) | Cantilever type planetary gear system | |
| CN204186940U (en) | Output shaft of gear-box gear | |
| CN104088985B (en) | Structure improved connection gear | |
| CN204628489U (en) | Driving chain sprocket | |
| CN203670481U (en) | Automotive hub bearing outer ring | |
| CN204628487U (en) | Easy assembly type bidentate hinge wheel | |
| CN205446657U (en) | Force -feed lubrication's structure is provided for spline engaging piece by internal spline axle | |
| CN203962925U (en) | The connection gear in farm power source | |
| CN210118368U (en) | Heavy middle flange integrated with bearing inner ring | |
| CN204785454U (en) | Hub bearing oil lubricating structure suitable for passenger train disk front axle | |
| CN202579656U (en) | Improved shaft sleeve | |
| CN208252715U (en) | The connection structure of loading machine stabilized shaft gearbox gear and axis | |
| CN104154212B (en) | The connection gear in farm power source | |
| CN103291884A (en) | Improved structure planetary gear | |
| CN202690897U (en) | Planetary reducer of cutting unit and coal mining machine | |
| CN210799994U (en) | Input shaft sleeve limiting mechanism of speed reducer | |
| CN203962926U (en) | Structure improved connection gear | |
| CN203239498U (en) | Hydraulic motor connection cover | |
| CN204572751U (en) | A kind of differential spider | |
| CN203948471U (en) | Automobile-used bearing outer ring | |
| CN207261582U (en) | Differential assembly between a kind of full floating axle | |
| CN210174540U (en) | Split double-row chain wheel shaft |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20160331 |