CN207349401U - A kind of detachable gear wheel device - Google Patents
A kind of detachable gear wheel device Download PDFInfo
- Publication number
- CN207349401U CN207349401U CN201721234446.6U CN201721234446U CN207349401U CN 207349401 U CN207349401 U CN 207349401U CN 201721234446 U CN201721234446 U CN 201721234446U CN 207349401 U CN207349401 U CN 207349401U
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- tooth
- gear
- tooth shaft
- shaft
- wheel device
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Abstract
The utility model discloses a kind of detachable gear wheel device, including tooth shaft and the gear in tooth shaft, the tooth shaft is equipped with connecting portion with gear installation junction, and connection through hole is offered in the middle part of gear.The utility model is simple in structure, it is easy to process, tooth shaft can be separately processed with gear using detachable gear wheel device, the waste of rapidoprint is reduced, reduces manufacture cost, at the same time, detachable gear wheel device facilitates the processing of tooth shaft and gear, effectively increase the machining accuracy and processing efficiency of geared system, avoid because machining accuracy is low cause gear to engage when produce noise, greatly reduce the noise during work of whole mechanical device；Connected by the open top container ship of external tooth and internal tooth, not only ensure that the firm stable of connection, also advantageously improve the bonding strength of tooth shaft and gear, ensure geared system working stability, it is applied widely, be conducive to promote the use of.
Description
Technical field
Gear technique field is the utility model is related to, is specifically a kind of detachable gear wheel device.
Background technology
The gear structure common with axis connection has spline to be connected, flat key connects, tooth shaft is integral etc., is needed after the installation of these parts
Meet axially position, circumferentially positioned, bonding strength requirement.The gear structure processed using monoblock type, the pass of its geared system
Key is the machining accuracy of the gear shaft of this integral gear device, and the machining accuracy of gear shaft is difficult to control, and uses tooth shaft
During the part of integral type, have two it is prominent the shortcomings that it is as follows：First, Gear Processing precision, is primarily due to integral gear device
It is compact-sized, cause the structure constraint of geared system, gear can only be made by gear shaping technique, the accuracy of gear of the technique productions
Low, gear engagement is also easy to produce noise, and poor rigidity during clamping, and processing is yielding；Second, the result waste of material of monoblock type,
Due to tooth shaft and gear one, usually carry out subtracting material processing using the blank of big end as bar, cause waste of material.
With Gear Processing and the maturation of tooth shaft Joining Technology, they can complete it well in whole mechanical device
Task, but gear engagement is a noise source of whole mechanical device, wishes to reduce the angle of noise from user, is designed a kind of new
Gear connection structure, reduce noise during gear operation, become a very important task, be badly in need of solving.
Utility model content
It is proposed in the above background technology to solve the purpose of this utility model is to provide a kind of detachable gear wheel device
Problem.
To achieve the above object, the utility model provides following technical solution：
A kind of detachable gear wheel device, including tooth shaft and the gear in tooth shaft, the tooth shaft connect with gear installation
Meet place and be equipped with connecting portion, connection through hole is offered in the middle part of gear, the connecting portion includes the external tooth being arranged on the outside of tooth shaft and sets
It is placed on the inside of gear connection through hole, the internal tooth for being used cooperatively with external tooth.
As further program of the utility model：The external tooth is along outside the involute of tooth shaft circumferential direction equidistantly distributed
Tooth, internal tooth are along the involute internal tooth of connection through hole circumferential direction equidistantly distributed, are connected between external tooth and internal tooth for open top container ship.
As further program of the utility model：The tooth shaft is equipped with the multi-diameter shaft of needle bearing for one end.
As further program of the utility model：The connecting portion side is equipped with the step surface, another for being used to installing positioning
Side is equipped with the clamp device for being used for installing fastening.
As further program of the utility model：What the clamp device included setting gradually from left to right is used for axial
The baffle ring that is fixedly connected with portion, the spring bearing for being used to support tooth shaft and the clamp spring for clamping spring bearing.
Compared with prior art, the beneficial effects of the utility model are：The utility model is simple in structure, easy to process, adopts
Tooth shaft can be separately processed with gear with detachable gear wheel device, reduce the waste of rapidoprint, reduce manufacture cost, together
When, detachable gear wheel device facilitates the processing of tooth shaft and gear, and the machining accuracy and processing for effectively increasing geared system are imitated
Rate, avoid because machining accuracy is low cause gear to engage when produce noise, making an uproar when greatly reducing the work of whole mechanical device
Sound；Connected by the open top container ship of external tooth and internal tooth, not only ensure that the firm stable of connection, also advantageously improve tooth shaft
With the bonding strength of gear, ensure geared system working stability, it is applied widely, be conducive to promote the use of.
Brief description of the drawings
Structure chart when Fig. 1 is the use of the utility model.
Fig. 2 is structure chart when the utility model is integrally dismantled.
Fig. 3 is the sectional view of the utility model.
Fig. 4 is the partial sectional view of the utility model.
In figure：1- tooth shafts, 2- gears, 3- connecting portions, 31- external tooths, 32- internal tooths, 4- connections through hole, 5- needle bearings, 6-
Step surface, 7- clamp devices, 71- baffle rings, 72- spring bearings, 73- clamp springs.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-4, in the utility model embodiment, a kind of detachable gear wheel device, including tooth shaft 1 and installed in tooth
Gear 2 on axis 1, the tooth shaft 1 install junction with gear 2 and are equipped with connecting portion 3, and the middle part of gear 2 offers connection through hole 4,
Tooth shaft 1 is equipped with the multi-diameter shaft of needle bearing 5 for one end, and the connecting portion 3 includes being arranged at the external tooth 31 in the outside of tooth shaft 1 and sets
The inner side of through hole 4, the internal tooth 32 for being used cooperatively with external tooth 31 are connected in gear 2,3 side of connecting portion, which is equipped with, to be used to install positioning
Step surface 6, opposite side be equipped with the clamp device 7 for being used for installing fastening, the external tooth 31 is along the circumferential equidistantly distributed of tooth shaft 1
Involute external tooth 31, internal tooth 32 be along the involute internal tooth 32 of the circumferential equidistantly distributed of connection through hole 4, external tooth 31 and internal tooth 32
Between connected for open top container ship, what the clamp device 7 included setting gradually from left to right is used for axial restraint connecting portion 3
Baffle ring 71, the spring bearing 72 for being used to support tooth shaft 1 and the clamp spring 73 for clamping spring bearing 72.
The utility model is simple in structure, and geared system is using tooth shaft 1 and the structure of 2 split of gear, by tooth shaft 1 and gear
2 are processed manufacture respectively, facilitate the processing of geared system, improve the machining accuracy and processing efficiency of geared system, keep away
Exempt from because geared system machining accuracy is low cause gear 2 to engage when produce noise, using split type geared system, separately carry out
The processing of gear 2 and tooth shaft 1, when avoiding the integral gear device from processing, is often carried out subtracting material using the blank of big end as bar and added
Work and caused by waste of material, be conducive to save material, reduce manufacture cost；Tooth shaft 1 is processed into multidiameter structure, and in tooth
Axis 1 sets connecting portion 3 with 2 junction of gear, and connecting portion 3 includes being arranged at the external tooth 31 in the outside of tooth shaft 1 and is arranged in gear 2
The internal tooth 32 of side, external tooth 31 are that internal tooth 32 is along gear 2 along the involute external tooth 31 of the circumferential spaced set of tooth shaft 1
The involute internal tooth 32 of 4 inner circumferential spaced set of through hole is connected, the external tooth 31 in tooth shaft 1 is joined using the gear 2 of tooth shaft 1
Count, and remove the outside circle portion size of external tooth 31 in processing, meanwhile, internal tooth 32 is added according to corresponding 2 parameter of gear
Work, when installing connection, one is connected to by 32 open top container ship of internal tooth set on the external tooth 31 set in tooth shaft 1 and gear 2
Rise, be connected using external tooth 31 with the open top container ship of internal tooth 32, not only ensure that the firm stable of connection, be additionally, since and adopt
It can cause axial dimension very little with engaging for internal tooth 32 with external tooth 31, advantageously ensure that connection when tooth shaft 1 is connected with gear 2
Intensity, ensures geared system working stability；During installation, the connection through hole 4 that the middle part of gear 2 opens up is sheathed on the outside of tooth shaft 1, even
Connect in hole 4 internal tooth 32 being equipped with to engage with the external tooth 31 that the outside of tooth shaft 1 is equipped with, gear 2 and the end of 1 connecting portion of tooth shaft, 3 one end
Face contacts fitting with the step surface 6 of multi-diameter shaft, and tooth shaft 1 is multistage multidiameter structure, and 1 one end of tooth shaft is equipped with needle bearing 5, by tooth
After wheel 2 is had good positioning in tooth shaft 1, it is equipped with gear 2 and 1 connecting portion of tooth shaft, 3 other end and is used to tooth shaft 1 and gear 2 fixing peace
The clamp device 7 of dress, clamp device 7 include the baffle ring 71 mounted in 3 one end of connecting portion, are used to support the spring bearing 72 of tooth shaft 1
With the clamp spring 73 for clamping spring bearing 72, gear 2 and tooth shaft 1 can be carried out axial restraint, prevent gear 2 by clamp device 7
Along the axial movement of tooth shaft 1, ensure tooth shaft 1 and the firmly installing property and stability of gear 2.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. a kind of detachable gear wheel device, including tooth shaft (1) and the gear (2) in tooth shaft (1), it is characterised in that：Institute
State tooth shaft (1) and be equipped with connecting portion (3) with gear (2) installation junction, connection through hole (4), the company are offered in the middle part of gear (2)
Socket part (3) include be arranged at the external tooth (31) on the outside of tooth shaft (1) and be arranged at gear (2) connection through hole (4) inner side, for it is outer
The internal tooth (32) that tooth (31) is used cooperatively.
2. detachable gear wheel device according to claim 1, it is characterised in that：The external tooth (31) is along tooth shaft (1) week
Involute external tooth (31), internal tooth (32) to equidistantly distributed are along the involute of the circumferential equidistantly distributed of connection through hole (4)
Tooth (32), is connected between external tooth (31) and internal tooth (32) for open top container ship.
3. detachable gear wheel device according to claim 1, it is characterised in that：The tooth shaft (1) is equipped with needle roller for one end
The multi-diameter shaft of bearing (5).
4. detachable gear wheel device according to claim 1, it is characterised in that：Connecting portion (3) side, which is equipped with, to be used for
The step surface (6) of positioning is installed, opposite side is equipped with the clamp device (7) for being used for installing fastening.
5. detachable gear wheel device according to claim 4, it is characterised in that：The clamp device (7) include from a left side to
The right side set gradually for axial restraint connecting portion (3) baffle ring (71), be used to support tooth shaft (1) spring bearing (72) and use
Clamp spring (73) in clamping spring bearing (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721234446.6U CN207349401U (en) | 2017-09-25 | 2017-09-25 | A kind of detachable gear wheel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721234446.6U CN207349401U (en) | 2017-09-25 | 2017-09-25 | A kind of detachable gear wheel device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207349401U true CN207349401U (en) | 2018-05-11 |
Family
ID=62410705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721234446.6U Active CN207349401U (en) | 2017-09-25 | 2017-09-25 | A kind of detachable gear wheel device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207349401U (en) |
-
2017
- 2017-09-25 CN CN201721234446.6U patent/CN207349401U/en active Active
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