CN208719283U - A kind of anti-apical tooth rackwork and the anti-apical tooth mechanism of rack and pinion drive - Google Patents
A kind of anti-apical tooth rackwork and the anti-apical tooth mechanism of rack and pinion drive Download PDFInfo
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- CN208719283U CN208719283U CN201821039898.3U CN201821039898U CN208719283U CN 208719283 U CN208719283 U CN 208719283U CN 201821039898 U CN201821039898 U CN 201821039898U CN 208719283 U CN208719283 U CN 208719283U
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- rack gear
- gear
- rack
- apical tooth
- guidance
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Abstract
The utility model relates to wheel and rack transmission technical fields, more particularly to a kind of anti-apical tooth rackwork and the anti-apical tooth mechanism of rack and pinion drive, the anti-apical tooth rackwork includes rack gear ontology, the rack gear ontology include main rack gear and at least one with the guidance rack gear of the main rack gear end rotation connection.The anti-apical tooth rackwork of the utility model, main rack gear both ends are movably set with guidance rack gear, it can be realized flexible contact when the anti-apical tooth rackwork is advanced to and engaged with gear, pass through the activity setting and gear correct engagement of guidance rack gear, main rack gear is gradually directed to the correct position of engagement, occurs apical tooth phenomenon when rack structure being avoided to engage with gear and causes stuck or damage.There is apical tooth phenomenon when avoiding rack and pinion engagement and causes mechanism blockage or damage, greatly improves the service life of rack-and-pinion in the rack and pinion drive of the utility model anti-apical tooth mechanism.
Description
Technical field
The utility model relates to wheel and rack transmission technical fields, and in particular to a kind of anti-apical tooth rackwork and gear
The anti-apical tooth mechanism of rack gearing.
Background technique
Rack pinion is a kind of using the very extensive kind of drive, has fortune on many automation equipment in factory
With.But when rack movement with gear to when engaging, it is easy to occur not being in correct engagement due to wheel and rack
Angle and apical tooth occurs, lead to mechanism blockage or damage.Due to there is the generation of such case, the transmission device of rack-and-pinion is usual
Gear can only be allowed to move in the engagement range of rack gear.When rack gear needs to advance to and another gear from engaging with a gear
It just needs to solve the problems, such as apical tooth when engagement.Existing settling mode is usually by gear debugging to the correct angle of engagement
Degree reduces speed when initial engagement, improves tooth face hardness etc.；These types of method will lead to cost raising, and efficiency reduces, and
It sometimes can not also be fully solved this problem.
Utility model content
In order to overcome shortcoming and defect existing in the prior art, one of the purpose of this utility model is to provide a kind of anti-
Apical tooth rackwork can be such that rack gear ontology advances to and realize flexible contact when engaging with gear, and main rack gear is gradually guided
To the correct position of engagement.
The two of the purpose of this utility model are to provide a kind of anti-apical tooth mechanism of rack and pinion drive, avoid rack gear
Occur apical tooth phenomenon when ontology is engaged with gear and cause mechanism blockage or damage, greatly improves the service life of rack-and-pinion.
One of the purpose of this utility model is achieved through the following technical solutions: a kind of anti-apical tooth rackwork, including rack gear
Ontology, the rack gear ontology include main rack gear and at least one with the guidance rack gear of the main rack gear end rotation connection.
Preferably, the length of the main rack gear is greater than the length of the guidance rack gear.
Preferably, the free end of the guidance rack gear is provided with protruding portion.
Preferably, the guidance rack gear is two, and two guidance rack gears are connected to the both ends of the main rack gear.
Preferably, the guidance rack gear is connected to the end of the main rack gear, the guidance rack gear by rack gear link block
The rack gear link block is rotationally connected with by connecting shaft.
Preferably, elastic component is equipped in the rack gear link block, one end of the elastic component and the top of guidance rack gear are supported
It connects, the inner roof wall of the other end and rack gear link block resists.
Preferably, the elastic component is spring.
The two of the purpose of this utility model are achieved through the following technical solutions: a kind of anti-apical tooth machine of rack and pinion drive
Structure, including mounting base and the anti-apical tooth rackwork, in the mounting base installation there are two gear, the gear be used for
The rack gear ontology engagement.
Preferably, be additionally provided with guide rail in the mounting base, the guide rail sliding is provided with sliding block, the sliding block with it is described
The connection of rack gear link block.
The utility model has the beneficial effects that: the anti-apical tooth rackwork of the utility model, guides rack gear and main rack gear group
The rack gear ontology that synthesis one is entirely grown, main rack gear both ends are movably set with guidance rack gear, when the anti-apical tooth rackwork advances to
Can be realized flexible contact when engaging with gear, by guidance rack gear activity setting with gear correct engagement, by main rack gear by
Step is directed to the correct position of engagement, occurs apical tooth phenomenon when rack structure being avoided to engage with gear and causes stuck or damage.
The rack and pinion drive of the utility model anti-apical tooth mechanism is connect for flexibility at wheel and rack initial engagement
There is apical tooth phenomenon when avoiding rack and pinion engagement and causes mechanism blockage or damage in touching, so that wheel and rack transmission
Using the noise more extensively, reduced when wheel and rack impacts, the service life of rack-and-pinion is greatly improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the rack gear of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the utility model embodiment 1；
Fig. 3 is the structural schematic diagram of the utility model embodiment 2.
Appended drawing reference are as follows: 1, main rack gear；2, rack gear is guided；21, protruding portion；3, rack gear link block；4, connecting shaft；5, elastic
Part；6, mounting base；7, gear；8, guide rail；9, sliding block.
Specific embodiment
For the ease of the understanding of those skilled in the art, below with reference to examples and drawings 1-3 to the utility model make into
The explanation of one step, the content that embodiment refers to not are the restriction to the utility model.
Embodiment 1
See Fig. 1-2, a kind of anti-apical tooth rackwork, including rack gear ontology, the rack gear ontology includes main rack gear 1 and at least
One guidance rack gear 2 being rotatablely connected with the end of main rack gear 1, if the bottom of the main rack gear 1 and guidance rack gear 2 is provided with
Dry tooth.
Guidance rack gear 2 and main rack gear 1 are combined into a rack gear ontology entirely grown, and the end of main rack gear 1, which is movably set with, draws
Guide tooth item 2 can be realized flexible contact when the rackwork, which is advanced to, to be engaged with gear 7, by guiding the activity of rack gear 2 to set
Set with 7 correct engagement of gear, main rack gear 1 is gradually directed to the correct position of engagement, when rack structure being avoided to engage with gear 7
There is apical tooth phenomenon and causes stuck or damage.Specifically, when rackwork advance as with 7 engagement place of gear, if cannot be just
Often engagement, then guide rack gear 2 to be jacked up by gear 7, and guidance rack gear 2 continues on, and realizes gear 7 with guidance rack gear 2 and normally nibbles
It closes；After guiding rack gear 2 to march to more than 7 center of gear, guidance rack gear 2 is restored to normal condition, and gear 7 is along guidance rack gear
2 engage with main rack gear 1.Illustrated in the present embodiment be main rack gear 1 both ends be connected separately with guidance rack gear 2, other implementation
In example, guidance rack gear 2 can also be connected in any end of main rack gear 1, the other end is not connected to guidance rack gear 2.
In the present embodiment, the length of the main rack gear 1 is greater than the length of the guidance rack gear 2.
It guides 2 length of rack gear shorter, is combined into a long rack gear with main rack gear 1 under normal condition, if guidance rack gear 2
Length is longer, then radius of turn becomes, and is not easy to process and run.
In the present embodiment, the free end of the guidance rack gear 2 is provided with protruding portion 21, is provided with below the protruding portion 21
Groove for buffering.
Tooth is not provided with below protruding portion 21 as buffer part in the free end setting protruding portion 21 of guidance rack gear 2, elasticity
Part 5 is set to the top of protruding portion 21, be conducive to guide rack gear 2 and gear 7 engage and state recovery.
In the present embodiment, the guidance rack gear 2 is two, and two guidance rack gears 2 are connected to the main rack gear 1
Both ends.
Main 1 both ends of rack gear be separately connected can movable guidance rack gear 2, so main rack gear 1 can be under the action of gear 7
Realization is normally engaged with the gear 7 in former and later two directions.
In the present embodiment, the guidance rack gear 2 is connected to the end of the main rack gear 1 by rack gear link block 3, described to draw
Guide tooth item 2 is connected to the rack gear link block 3 by connecting shaft 4, when definition guidance rack gear 2 mutually abuts parallel with main rack gear 1
State be original state, then in the initial state, the guidance rack gear 2 can only rotate upwards around the connecting shaft 4, in main tooth
After item 1 is smoothly engaged with gear, the guidance revolution of rack gear 2 is reset to original state.
Connecting shaft 4 is pin shaft, and guidance rack gear 2 can be around the rotation upwards of connecting shaft 4, and guidance rack gear 2 can only be around connection
4 single direction rotation of axis, specifically, guiding rack gear if cannot normally engage with 7 engagement place of gear when guidance rack gear 2 is marched to
2 are jacked up around the rotation of connecting shaft 4 to certain angle, and rack gear 2 is guided to continue on, and gear 7 is realized with guidance rack gear 2 and normally nibbled
It closes；After guiding the connecting shaft 4 of rack gear 2 to march to more than 7 center of gear, guidance rack gear 2 is restored to normal condition, and gear 7 is suitable
Guidance rack gear 2 engaged with main rack gear 1.
In the present embodiment, elastic component 5, one end of the elastic component 5 and guidance rack gear 2 are equipped in the rack gear link block 3
Top abut, the inner roof wall of the other end and rack gear link block 3 resists.
Elastic component 5 is set at the top of guidance rack gear 2, under the pressure of elastic component 5, makes the end and the master that guide rack gear 2
The end of rack gear 1 fits closely, in the engagement process of guidance rack gear 2 and gear 7, when the connecting shaft 4 of guidance rack gear 2 marches to
Behind 7 center of gear, guide rack gear 2 by the pressure recovery of elastic component 5 to normal condition, gear 7 is along guidance rack gear 2 and master
Rack gear 1 engages.
In the present embodiment, the elastic component 5 is spring.It also can choose other suitable elastic components in other embodiments
5。
Embodiment 2
See Fig. 3, a kind of anti-apical tooth mechanism of 7 rack gearing of gear, including the anti-apical tooth in mounting base 6 and embodiment 1
Rackwork, there are two gears 7 for installation in the mounting base 6, and the gear 7 with the rack gear ontology for engaging.
Specifically, guidance rack gear 2 and main rack gear 1 are combined into a rack gear ontology entirely grown, the end activity of main rack gear 1 is set
It is equipped with guidance rack gear 2, can be realized flexible contact when the rackwork, which is advanced to, to be engaged with gear 7, passes through guidance rack gear 2
Activity setting and 7 correct engagement of gear, are gradually directed to the correct position of engagement for main rack gear 1, avoid rack structure and gear 7
Occur apical tooth phenomenon when engagement and causes stuck or damage.Specifically, when rackwork advance as with 7 engagement place of gear, if
It cannot normally engage, then rack gear 2 is guided to be jacked up by gear 7, guidance rack gear 2 continues on, and realizes gear 7 and guidance rack gear 2
Normal engagement；After guiding rack gear 2 to march to more than 7 center of gear, guidance rack gear 2 is restored to normal condition, and gear 7 is along drawing
Guide tooth item 2 is engaged with main rack gear 1.
In the present embodiment, guide rail 8 is additionally provided in the mounting base 6, there are two sliding blocks 9 for the sliding of guide rail 8 setting, often
One sliding block 9 is separately connected a rack gear link block 3.
Sliding block 9 and rack gear link block 3, rack gear link block 3 is for connecting main rack gear 1 and guiding rack gear 2, in operational process,
With the transmission of rackwork, rack gear link block 3 also under the action of sliding block 9, is slided along guide rail 8.In other embodiments,
Main rack gear 1 only has one end to be connected with guidance rack gear 2, then the setting one of sliding block 9 corresponding.
Above-described embodiment is the preferable implementation of the utility model, and in addition to this, the utility model can be with other sides
Formula realizes that any obvious replacement is in the protection model of the utility model without departing from the concept of the premise utility
Within enclosing.
Claims (8)
1. a kind of anti-apical tooth rackwork, it is characterised in that: including rack gear ontology, the rack gear ontology includes main rack gear and at least
One guidance rack gear being rotatablely connected with the main rack gear end；The guidance rack gear is connected to the master by rack gear link block
The end of rack gear, the guidance rack gear are rotationally connected with the rack gear link block by connecting shaft.
2. anti-apical tooth rackwork according to claim 1, it is characterised in that: the length of the main rack gear is greater than described draw
The length of guide tooth item.
3. anti-apical tooth rackwork according to claim 1, it is characterised in that: the free end of the guidance rack gear is provided with
Protruding portion.
4. anti-apical tooth rackwork according to claim 1, it is characterised in that: the guidance rack gear is two, two institutes
State the both ends that guidance rack gear is connected to the main rack gear.
5. anti-apical tooth rackwork according to claim 1, it is characterised in that: be equipped with elasticity in the rack gear link block
One end of part, the elastic component is abutted with the top of guidance rack gear, and the inner roof wall of the other end and rack gear link block resists.
6. anti-apical tooth rackwork according to claim 5, it is characterised in that: the elastic component is spring.
7. a kind of anti-apical tooth mechanism of rack and pinion drive, it is characterised in that: including described in mounting base and claim 5 or 6
Anti- apical tooth rackwork, there are two gears for installation in the mounting base, and the gear with the rack gear ontology for engaging.
8. the anti-apical tooth mechanism of rack and pinion drive according to claim 7, it is characterised in that: in the mounting base also
It is provided with guide rail, the guide rail sliding is provided with sliding block, and the sliding block is connect with the rack gear link block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821039898.3U CN208719283U (en) | 2018-06-29 | 2018-06-29 | A kind of anti-apical tooth rackwork and the anti-apical tooth mechanism of rack and pinion drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821039898.3U CN208719283U (en) | 2018-06-29 | 2018-06-29 | A kind of anti-apical tooth rackwork and the anti-apical tooth mechanism of rack and pinion drive |
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| Publication Number | Publication Date |
|---|---|
| CN208719283U true CN208719283U (en) | 2019-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821039898.3U Active CN208719283U (en) | 2018-06-29 | 2018-06-29 | A kind of anti-apical tooth rackwork and the anti-apical tooth mechanism of rack and pinion drive |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360283A (en) * | 2019-08-02 | 2019-10-22 | 深圳怡化电脑股份有限公司 | A kind of transmission mechanism and finance device with the defencive function that crosses the border |
| CN111776641A (en) * | 2020-04-27 | 2020-10-16 | 北京京东乾石科技有限公司 | Meshing adapting mechanism and logistics system |
-
2018
- 2018-06-29 CN CN201821039898.3U patent/CN208719283U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360283A (en) * | 2019-08-02 | 2019-10-22 | 深圳怡化电脑股份有限公司 | A kind of transmission mechanism and finance device with the defencive function that crosses the border |
| CN111776641A (en) * | 2020-04-27 | 2020-10-16 | 北京京东乾石科技有限公司 | Meshing adapting mechanism and logistics system |
| WO2021218654A1 (en) * | 2020-04-27 | 2021-11-04 | 北京京东乾石科技有限公司 | Engagement fitting mechanism and logistics system |
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