CN208534958U - A kind of worm screw rolling transmission shaft - Google Patents
A kind of worm screw rolling transmission shaft Download PDFInfo
- Publication number
- CN208534958U CN208534958U CN201821029917.4U CN201821029917U CN208534958U CN 208534958 U CN208534958 U CN 208534958U CN 201821029917 U CN201821029917 U CN 201821029917U CN 208534958 U CN208534958 U CN 208534958U
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- CN
- China
- Prior art keywords
- worm screw
- span line
- linkage section
- transmission shaft
- strengthening segment
- 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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- Gears, Cams (AREA)
Abstract
The utility model discloses a kind of worm screws to roll transmission shaft, it include: span line, strengthening segment and linkage section, the strengthening segment is arranged between the linkage section and span line, the diameter of the strengthening segment is greater than the diameter of the span line and linkage section, the both ends that the strengthening segment is connected with span line and linkage section are additionally provided with jump-ring slot, and the length of span line is less than linkage section.In the utility model, since span line is main forced section, the length of span line is less than linkage section, and such design increases the intensity of span line, the diameter of strengthening segment is greater than the design of span line and linkage section simultaneously, further increases the intensity of transmission shaft.
Description
Technical field
The utility model relates to the technical fields of drive rod, are specifically related to a kind of worm screw rolling transmission shaft.
Background technique
Worm-drive is made of worm and worm wheel, for transmitting movement and power between alternating axis, usual two axis
Alternate angle is 90 °.It is all using worm screw as driving link in general worm-drive.
From the appearance, worm screw is similar to bolt, and worm gear is then much like helical gears.When work, worm gear teeth is along snail
The helicoid of bar is slided and is rolled.In order to improve the contact situation of the gear teeth, worm gear is done along facewidth direction in the arc-shaped, is allowed to
Worm section is encased.It is line contact when worm and wormwheel engages in this way, rather than point contact.Available very big transmission ratio,
It is contacted between two-wheeled mesh tooth face compacter than crossed helical gears mechanism for line, bearing capacity is higher than crossed helical gears machine significantly
Structure
Worm-drive is equivalent to worm drive, is driven for multi-tooth meshing, therefore stable drive, noise very little have self-locking performance.
When the lead angle of worm screw is less than the equivalent friction angle of engagement wheel between cog, mechanism has self-locking performance, it can be achieved that reverse self-locking, i.e., only
Worm gear can be driven by worm screw, and worm screw cannot be driven by worm gear.It is reversed such as the irreversible worm mechanism used in its hoisting machinery
Self-locking performance can play safeguard protection.
Existing worm screw rolling transmission shaft strength is insufficient, is easy to damage in use.
Utility model content
For the above-mentioned problems in the prior art, it is desirable to provide a kind of intensity is big, it is not easy to which the worm screw of damage rolls
Transmission shaft.
Specific technical solution is as follows:
A kind of worm screw rolling transmission shaft, comprising: span line, strengthening segment and linkage section, the strengthening segment are arranged described
Between linkage section and span line, the diameter of the strengthening segment is greater than the diameter of the span line and linkage section, the strengthening segment
The both ends being connected with span line and linkage section are additionally provided with jump-ring slot, and the length of span line is less than linkage section.
Preferably, the span line includes worm screw portion and interconnecting piece, the both ends of the interconnecting piece are separately connected worm screw portion
And strengthening segment.
Preferably, the head number in the worm screw portion is, direction of rotation is left-handed.
Preferably, the length in the worm screw portion is greater than the length of the interconnecting piece, and the diameter in the worm screw portion is greater than company
The diameter of socket part.
Preferably, the central diameter 22.2758cm in the worm screw portion, the high 1.778cm of crest, the high 2.1692cm in tooth bottom.
Preferably, one end that the linkage section is communicated with the outside is additionally provided with flat recess.
(1) in the utility model, since span line is main forced section, the length of span line is less than linkage section,
Such design is so that span line is more nearly with strengthening segment, and the two, which matches, increases the intensity of span line, while strengthening segment
Diameter be greater than the design of span line and linkage section, further increase the intensity of transmission shaft.
(2) in addition, the various sizes in more worm screw portions require, it ensure that the intensity in worm screw portion, it is whole to increase transmission shaft
The intensity of body.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of worm screw of the utility model rolls transmission shaft.
In attached drawing, 1, span line；11, worm screw portion；12, interconnecting piece；2, strengthening segment；3, linkage section；31, flat recess；4, block
Spring slot.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, with
Lower embodiment combination attached drawing is specifically addressed to provided by the utility model.
Fig. 1 is the structural schematic diagram that a kind of worm screw of the utility model rolls transmission shaft, refering to Figure 1, showing one
The preferable worm screw of kind rolls transmission shaft, comprising: span line 1, strengthening segment 2 and linkage section 3, wherein the setting of the strengthening segment 2 exists
Between the linkage section 3 and span line 1, the diameter of the strengthening segment 2 is greater than the diameter of the span line 1 and linkage section 3, institute
It states the both ends that strengthening segment 2 is connected with span line 1 and linkage section 3 and is additionally provided with jump-ring slot 4, circlip, and span line 1 is arranged
Length be less than linkage section 3.
In the utility model, since span line 1 is main forced section, the length of span line 1 is less than linkage section 3,
Such design increases the intensity of span line 1, while the diameter of strengthening segment 2 is greater than so that span line is matched with strengthening segment
The design of span line 1 and linkage section 3 further increases the intensity of transmission shaft.
Hereinafter, being illustrated with a kind of specific embodiment, it should be pointed out that described in following implementation it
Structure, technique, selection are only to illustrate the feasibility of embodiment, the intention of scope of protection of the utility model that there is no restriction.
Further, the span line 1 includes worm screw portion 11 and interconnecting piece 12, wherein the both ends of the interconnecting piece 12
It is separately connected worm screw portion 11 and strengthening segment 2, the worm screw portion 11 carries out the biography of power to match with external turbine
It is defeated.
The head number in the worm screw portion 11 be 4, direction of rotation be it is left-handed, such design not only increases the strong of worm screw portion 11
Degree, while the efficiency for also exporting it is best.
In addition, the length in the worm screw portion 11 is greater than the length of the interconnecting piece 12, and the diameter in the worm screw portion 11 is big
In the diameter of interconnecting piece 12, such design increases the intensity in worm screw portion 11, while being convenient for the transmitting of power.
In addition, one end that the linkage section 3 is communicated with the outside is additionally provided with flat recess 31, and then facilitate the transmission shaft
Installation.
In addition, the central diameter 22.2758cm in the worm screw portion 11, the high 1.778cm of crest, the high 2.1692cm in tooth bottom is such
Size requirement, ensure that the intensity of tooth in worm screw portion 11, further enhances the integral strength requirement of transmission shaft.
In the utility model, since span line 1 is main forced section, the length of span line 1 is less than linkage section 3,
Such design increases the intensity of span line 1, while the diameter of strengthening segment 2 is greater than the design of span line 1 and linkage section 3,
Further increase the intensity of transmission shaft.In addition, the various sizes in more worm screw portions 11 require, the strong of worm screw portion 11 ensure that
Degree, increases the intensity of transmission shaft entirety.
The above is only the utility model preferred embodiments, are not intended to limit the embodiments of the present invention and protection
Range should can appreciate that all with the utility model specification and diagramatic content institute to those skilled in the art
The equivalent replacement made and obviously change obtained scheme, the protection scope of the utility model should all be included in
It is interior.
Claims (6)
1. a kind of worm screw rolls transmission shaft characterized by comprising span line, strengthening segment and linkage section, the strengthening segment are set
It sets between the linkage section and span line, the diameter of the strengthening segment is greater than the diameter of the span line and linkage section, institute
It states the both ends that strengthening segment is connected with span line and linkage section and is additionally provided with jump-ring slot, and the length of span line is less than linkage section
's.
2. worm screw according to claim 1 rolls transmission shaft, which is characterized in that the span line includes worm screw portion and company
Socket part, the both ends of the interconnecting piece are separately connected worm screw portion and strengthening segment.
3. worm screw according to claim 2 rolls transmission shaft, which is characterized in that the head number in the worm screw portion is 4, rotation side
To being left-handed.
4. worm screw according to claim 2 or 3 rolls transmission shaft, which is characterized in that the length in the worm screw portion is greater than institute
The length of interconnecting piece is stated, and the diameter in the worm screw portion is greater than the diameter of interconnecting piece.
5. worm screw according to claim 4 rolls transmission shaft, which is characterized in that the central diameter 22.2758cm in the worm screw portion,
The high 1.778cm of crest, the high 2.1692cm in tooth bottom.
6. worm screw according to claim 1 rolls transmission shaft, which is characterized in that one end that the linkage section is communicated with the outside
It is additionally provided with flat recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821029917.4U CN208534958U (en) | 2018-07-02 | 2018-07-02 | A kind of worm screw rolling transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821029917.4U CN208534958U (en) | 2018-07-02 | 2018-07-02 | A kind of worm screw rolling transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208534958U true CN208534958U (en) | 2019-02-22 |
Family
ID=65381028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821029917.4U Active CN208534958U (en) | 2018-07-02 | 2018-07-02 | A kind of worm screw rolling transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208534958U (en) |
-
2018
- 2018-07-02 CN CN201821029917.4U patent/CN208534958U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A worm rolling transmission shaft Effective date of registration: 20210608 Granted publication date: 20190222 Pledgee: Ningbo Beilun Rural Commercial Bank Co.,Ltd. Xiaogang sub branch Pledgor: NINGBO JIECHENG AXLE TRADE Co.,Ltd. Registration number: Y2021980004430 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |