CN206257245U - A kind of gear reduction unit with holdback - Google Patents
A kind of gear reduction unit with holdback Download PDFInfo
- Publication number
- CN206257245U CN206257245U CN201621356444.XU CN201621356444U CN206257245U CN 206257245 U CN206257245 U CN 206257245U CN 201621356444 U CN201621356444 U CN 201621356444U CN 206257245 U CN206257245 U CN 206257245U
- Authority
- CN
- China
- Prior art keywords
- holdback
- power transmission
- transmission shaft
- check ring
- reduction unit
- 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
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Abstract
The utility model discloses a kind of gear reduction unit with holdback, including body, input shaft, first bevel gear, the first power transmission shaft, second bevel gear, second driving shaft, output shaft, one end of first power transmission shaft protrudes from the outer wall of body, and holdback is provided with one end that the first power transmission shaft protrudes from body outer wall.The utility model has advantages below and effect：Using by one end protrusion of the first power transmission shaft outside the outer wall of body, the one end for protruding from engine body exterior in the first power transmission shaft simultaneously sets holdback, when holdback is arranged on the first power transmission shaft, first power transmission shaft can only realize the rotation in direction, so that this kind of gear reduction unit can realize one-directional rotation, it is conversely reverse when preventing from stopping, it is ensured that this kind of precision of gear reduction unit work.
Description
Technical field
The utility model is related to reducing motor technical field, more particularly to a kind of gear reduction unit with holdback.
Background technology
At present, Publication No. CN201687899U, the day for announcing is the Chinese patent of on December 29th, 2010《For brick equipment
Decelerator》Disclose a kind of decelerator for brick equipment, including casing, input shaft, output shaft and jackshaft, input shaft
Be gear drive between jackshaft, jackshaft and output shaft, input shaft and jackshaft are single gear drive, jackshaft with it is defeated
Travelling gear between shaft is double helical tooth.
The beneficial effect of decelerator that this kind is used for brick equipment is：Input shaft is single gear drive, knot with jackshaft
Structure is simple；It is herringbone gear drive between jackshaft and output shaft, does not have axial force, improves the service life of decelerator.
This kind be used for brick equipment decelerator in use always may be at rotate forward reversion can state, but
Many workplaces prevent conversely reverse function when needing decelerator possess Unidirectional, stop, and so just can guarantee that deceleration
The precision of machine work.
Utility model content
The purpose of this utility model is to provide a kind of gear reduction unit with holdback, is inverted with motor is prevented
Effect.
Above-mentioned technical purpose of the present utility model technical scheme is that：It is a kind of with holdback
Gear reduction unit, including body, the input shaft on described body one end, it is arranged on the input shaft in the body
First bevel gear on portion one end, the first power transmission shaft positioned at the internal body and perpendicular to the input shaft, it is arranged on institute
The second bevel gear stating on the first power transmission shaft and match with the first bevel gear, positioned at the internal body and by helical gear
The second driving shaft that is connected with first power transmission shaft, it is connected with the second driving shaft by helical gear and one end protrudes from institute
The output shaft of body outer wall is stated, one end of first power transmission shaft protrudes from the outer wall of the body, positioned at the described first transmission
Aixs cylinder is provided with holdback on the one end for the body outer wall.
By using above-mentioned technical proposal, this kind of gear reduction unit operationally, by input shaft input power, input shaft
Engaged with the second bevel gear on the first power transmission shaft so as to impart power to the first power transmission shaft using first bevel gear, first passes
Moving axis imparts power to second driving shaft, the second last transmission by the second driving shaft engaged with the first power transmission shaft helical gear
Axle utilizes the output shaft engaged with second driving shaft helical gear to impart power to output shaft, so as to be passed by power step by step
Pass, rotating speed of the rotational speed regulation that will be exported on output shaft needed for；Using by one end protrusion of the first power transmission shaft in the outer of body
Outside wall, while holdback is set in one end that the first power transmission shaft protrudes from engine body exterior, when holdback is arranged on the first power transmission shaft
When upper, the first power transmission shaft can only realize the rotation in direction, so that this kind of gear reduction unit can realize one-directional rotation,
It is conversely reverse when preventing from stopping, it is ensured that this kind of precision of gear reduction unit work.
It is of the present utility model to be further arranged to：The holdback is included and is arranged on the first power transmission shaft outer wall
First check ring, the second check ring being set on the first check ring, multiple are arranged on the first check ring and described
The check block of the circumferential uniform intervals distribution between the second check ring and along the first check ring.
By using above-mentioned technical proposal, this kind of holdback is connected on the first power transmission shaft using the first check ring, while
Multiple check blocks between the first check ring and the second check ring, check block its actually with special shape special-shaped block,
When the first power transmission shaft drives the first check ring to rotate, check block can change position in a rotation direction, when opposite
Side when being rotated up, check block is stuck in the position between the first check ring and the second check ring, so as to realize preventing first
The function that power transmission shaft takes a turn for the worse.
It is of the present utility model to be further arranged to：The first check ring is provided with the inwall of described body one end
To the inclined guiding surface of the first power transmission shaft.
By using above-mentioned technical proposal, it is close on the inwall of body one end and to first using the first check ring is arranged on
The inclined guiding surface of power transmission shaft, when needing to be arranged on holdback on the first power transmission shaft, the aperture efficiency where guiding surface
The axis hole of the first check ring is big, and by the guiding of guiding surface, holdback can be quickly registered on the first power transmission shaft, favorably
In the installation of holdback.
It is of the present utility model to be further arranged to：The holdback is provided with end cap away from one end of the body, described
The week side of boss of end cap is provided with multiple bolts being connected on the second check ring through the end cap rear thread, the end
Cover the lid screw for being provided through and being contradicted on the second check ring end face after the end cap.
By using above-mentioned technical proposal, end cap is set on the one end of holdback away from body, using multiple positioning spiral shell
Bolt is connected on the second check ring through end cap rear thread, by check by using bolt, end cap is fixed on holdback
Device is sealed away from one end of body, is effectively protected holdback, prevents the oil leak in holdback；Utilize simultaneously and wear
Cross after end cap to contradict and play lid screw on the second check ring end face, when needing to disassemble end cap, end cap and holdback
Between be often coated with fluid sealant, each other it is fixed very closely, by having turned lid screw by end cap is dismantled down easily
Come, operate more convenient.
It is of the present utility model to be further arranged to：Multiple bolts divide along the week side of boss uniform intervals of the end cap
Cloth.
By using above-mentioned technical proposal, multiple bolts are distributed along the week side of boss uniform intervals of end cap, so that
What end cap was fixed more stablizes, and the week side of boss of end cap is all firmly pushed against on holdback, prevents the oil leak in holdback.
It is of the present utility model to be further arranged to：The second check ring is provided with the end face of the end cap side
The locating slot of annular, the center of circle of the locating slot is located at the axle center of the second check ring, is provided with the end cap and institute
State the locating piece of locating slot matching.
By using above-mentioned technical proposal, the circular orientation of the second check surrounding place side is embedded into using the locating piece on end cap
In groove, you can end cap is tentatively fixed on holdback, prevent the skew of end cap, it is convenient that bolt is then tightened in end cap
On；The sealing effectiveness between end cap and holdback can be strengthened simultaneously, the oil leak in holdback is prevented.
In sum, the utility model has the advantages that：Using by one end protrusion of the first power transmission shaft in body
Outer wall outside, while the first power transmission shaft protrude from engine body exterior one end set holdback, when holdback is arranged on the first biography
When on moving axis, the first power transmission shaft can only realize the rotation in direction, so that this kind of gear reduction unit can be realized unidirectionally
Rotate, it is conversely reverse when preventing from stopping, it is ensured that this kind of precision of gear reduction unit work；Holdback is connected to away from machine simultaneously
End cap on body one end, one end by end cap is fixed on holdback using bolt by holdback away from body is sealed
Get up, be effectively protected holdback, effectively prevent the oil leak in holdback.
Brief description of the drawings
Fig. 1 is the utility model structural representation, is mainly used in embodying the outer of gear reduction unit of this kind with holdback
Portion's structure；
Fig. 2 is sectional view of the present utility model, is mainly used in embodying inside gear reduction unit of this kind with holdback
Drive mechanism；
Fig. 3 is the enlarged drawing in B portions in Fig. 2, is mainly used in embodying the structure inside holdback；
Fig. 4 is the enlarged drawing in C portions in Fig. 3, is mainly used in embodying annexation between the second check ring, end cap；
Fig. 5 is the structural representation of end cap in the utility model；
Fig. 6 is the enlarged drawing in A portions in Fig. 1, is mainly used in embodying bolt, plays position relationship between lid screw.
In figure：1st, body；2nd, input shaft；21st, first bevel gear；3rd, the first power transmission shaft；31st, second bevel gear；4th, second
Power transmission shaft；5th, output shaft；6th, holdback；61st, the first check ring；611st, guiding surface；62nd, the second check ring；621st, locating slot；
63rd, check block；7th, end cap；71st, bolt；72nd, lid screw is played；73rd, locating piece.
Specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of gear reduction unit with holdback, reference picture 1, Fig. 2, one end of body 1 is connected with input shaft 2, input
The one end of axle 2 is located at outside body 1, and the other end is located inside body 1 after passing through the outer wall of body 1, on the one end inside body 1
It is bonded and is connected to first bevel gear 21, while is connected with the first power transmission shaft 3, a distal process of the first power transmission shaft 3 by bearing in body 1
For the outer wall of body 1, and the first power transmission shaft 3 is perpendicular to input shaft 2, while be bonded on the first power transmission shaft 3 being connected to and first
The second bevel gear 31 that bevel gear 21 is meshed.
Reference picture 2, Fig. 3, the first power transmission shaft 3 is protruded to be bonded on one end of the outer wall of body 1 and is connected to holdback 6, and this kind inverse
Only device 6 is the production of Changzhou longicorn clutch factory, model CKF-A, and this kind of holdback 6 includes the first check ring 61, the
Two check rings 62, the multiple check blocks 63 between the first check ring 61 and the second check ring 62；First power transmission shaft 3 is away from machine
Bolt connection has the baffle plate for axial restraint holdback 6 on one end of body 1, so as to holdback 6 is fixed on into the first power transmission shaft 3
On, the first check ring 61 is connected on the first power transmission shaft 3 by being bonded, and multiple check blocks 63 are equal along the week side of boss of the first check ring 61
It is even to be spaced apart.
Reference picture 2, Fig. 3, Fig. 4, Fig. 5, the first check ring 61 offers guiding surface on the inwall of the one end of body 1
611, guiding surface 611 is inclined to the direction of the first power transmission shaft 3, and the second check ring 62 offers multiple away from one end of body 1
Screwed hole, multiple screwed holes are distributed along the week side of boss uniform intervals of the second check ring 62, wherein the second check ring 62 is away from body 1
The locating slot 621 of annular is further opened with end face, the center of circle of locating slot 621 is located at the axle center of the second check ring 62.
Holdback 6 is close to one on the end face of holdback 6 away from end cap 7, end cap 7 is connected with one end of body 1 simultaneously
The locating piece 73 matched with the locating slot 621 on the second check ring 62 is provided with, when end cap 7 is arranged on holdback 6,
Locating piece 73 is embedded into locating slot 621 first；Multiple bolts 71, multiple bolts are threaded with end cap 7
71 through being threaded in after end cap 7 in multiple screwed holes positioned on the second check ring 62 respectively；Wherein it is located on end cap 7 also
It is threaded with one and plays lid screw 72（Reference picture 6）, play lid screw 72（Reference picture 6）Contradicted after through end cap 7 inverse second
Only on the end face of ring 62.
The second driving shaft 4 parallel with the first power transmission shaft 3, the first transmission are also connected with by bearing inside body 1
It is connected with a joggle togather by a pair of helical gears between axle 3 and second driving shaft 4, so as to the power on the first power transmission shaft 3 be passed
It is delivered on second driving shaft 4, while the output shaft 5 parallel with second driving shaft 4 is connected with by bearing positioned at the inside of body 1,
Helical gear is connected with a joggle togather by another between output shaft 5 and second driving shaft 4, so as to by second driving shaft 4
Power is delivered on output shaft 5.
Operation principle：Reference picture 2, operationally, by the input power of input shaft 2, input shaft 2 is sharp for this kind of gear reduction unit
Engaged with the second bevel gear 31 on the first power transmission shaft 3 so as to impart power to the first power transmission shaft 3 with first bevel gear 21, the
One power transmission shaft 3 imparts power to second driving shaft 4 by the second driving shaft 4 engaged with the helical gear of the first power transmission shaft 3, finally
Second driving shaft 4 imparts power to output shaft 5 using the output shaft 5 engaged with the helical gear of second driving shaft 4, so as to pass through one
Power transmission step by step, rotating speed of the rotational speed regulation that will be exported on output shaft 5 needed for, while using on the first power transmission shaft 3
Holdback 6 prevents this kind of gear reduction unit from taking a turn for the worse.
Specific embodiment is only that, to explanation of the present utility model, it is not to limitation of the present utility model, this area
Technical staff can make the modification without creative contribution to the present embodiment as needed after this specification is read, but only
All to be protected by Patent Law in right of the present utility model.
Claims (6)
1. a kind of gear reduction unit with holdback, including body（1）, positioned at the body（1）Input shaft on one end
（2）, be arranged on the input shaft（2）Positioned at the body（1）First bevel gear on internal one end（21）, positioned at the body
（1）It is internal and perpendicular to the input shaft（2）The first power transmission shaft（3）, be arranged on first power transmission shaft（3）It is upper and with it is described
First bevel gear（21）The second bevel gear of matching（31）, positioned at the body（1）It is internal and by helical gear and described first
Power transmission shaft（3）The second driving shaft being connected（4）, by helical gear and the second driving shaft（4）It is connected and one end protrudes
In the body（1）The output shaft of outer wall（5）, it is characterised in that：First power transmission shaft（3）One end protrude from the body
（1）Outer wall, positioned at first power transmission shaft（3）Protrude from the body（1）Holdback is provided with one end of outer wall（6）.
2. a kind of gear reduction unit with holdback according to claim 1, it is characterised in that：The holdback（6）
Include and be arranged on first power transmission shaft（3）The first check ring on outer wall（61）, be set in the first check ring（61）
On the second check ring（62）, multiple be arranged on the first check ring（61）With the second check ring（62）Between and along institute
State the first check ring（61）Circumferential uniform intervals distribution check block（63）.
3. a kind of gear reduction unit with holdback according to claim 2, it is characterised in that：The first check ring
（61）Near the body（1）Oriented first power transmission shaft is set on the inwall of one end（3）Inclined guiding surface（611）.
4. a kind of gear reduction unit with holdback according to claim 3, it is characterised in that：The holdback（6）
Away from the body（1）One end be provided with end cap（7）, the end cap（7）The week side of boss be provided with it is multiple through the end cap（7）
Rear thread is connected to the second check ring（62）On bolt（71）, the end cap（7）On be provided through the end
Lid（7）After contradict in the second check ring（62）Lid screw is played on end face（72）.
5. a kind of gear reduction unit with holdback according to claim 4, it is characterised in that：Multiple positioning spiral shells
Bolt（71）Along the end cap（7）The week side of boss uniform intervals distribution.
6. a kind of gear reduction unit with holdback according to claim 5, it is characterised in that：The second check ring
（62）Near the end cap（7）The locating slot of annular is provided with the end face of side（621）, the locating slot（621）The center of circle
Positioned at the second check ring（62）Axle center at, the end cap（7）On be provided with and the locating slot（621）The positioning of matching
Block（73）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621356444.XU CN206257245U (en) | 2016-12-12 | 2016-12-12 | A kind of gear reduction unit with holdback |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621356444.XU CN206257245U (en) | 2016-12-12 | 2016-12-12 | A kind of gear reduction unit with holdback |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206257245U true CN206257245U (en) | 2017-06-16 |
Family
ID=59028777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621356444.XU Expired - Fee Related CN206257245U (en) | 2016-12-12 | 2016-12-12 | A kind of gear reduction unit with holdback |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206257245U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314086A (en) * | 2017-08-25 | 2017-11-03 | 重庆万虎机电有限责任公司 | The multifunctional engine and motor tricycle slipped after a kind of band is anti- |
| CN107416122A (en) * | 2017-08-25 | 2017-12-01 | 重庆万虎机电有限责任公司 | The speed changer and motor tricycle slipped after a kind of band is anti- |
| CN107416121A (en) * | 2017-08-25 | 2017-12-01 | 重庆万虎机电有限责任公司 | System is slipped after a kind of motor tricycle and its vehicle are anti- |
-
2016
- 2016-12-12 CN CN201621356444.XU patent/CN206257245U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314086A (en) * | 2017-08-25 | 2017-11-03 | 重庆万虎机电有限责任公司 | The multifunctional engine and motor tricycle slipped after a kind of band is anti- |
| CN107416122A (en) * | 2017-08-25 | 2017-12-01 | 重庆万虎机电有限责任公司 | The speed changer and motor tricycle slipped after a kind of band is anti- |
| CN107416121A (en) * | 2017-08-25 | 2017-12-01 | 重庆万虎机电有限责任公司 | System is slipped after a kind of motor tricycle and its vehicle are anti- |
| CN107416122B (en) * | 2017-08-25 | 2021-03-16 | 重庆万虎机电有限责任公司 | Transmission with backward slip prevention function and motor tricycle |
| CN107416121B (en) * | 2017-08-25 | 2021-03-16 | 重庆万虎机电有限责任公司 | Motor tricycle and backward slip prevention system for motor tricycle |
| CN107314086B (en) * | 2017-08-25 | 2021-04-06 | 重庆万虎机电有限责任公司 | Multifunctional engine with anti-backward-sliding function and motor tricycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 Termination date: 20191212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |