CN103953664B - Double-direction twist moment overload protective device - Google Patents
Double-direction twist moment overload protective device Download PDFInfo
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- CN103953664B CN103953664B CN201410201784.4A CN201410201784A CN103953664B CN 103953664 B CN103953664 B CN 103953664B CN 201410201784 A CN201410201784 A CN 201410201784A CN 103953664 B CN103953664 B CN 103953664B
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- baffle
- roller
- inner ring
- outer ring
- slot
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- 230000001681 protective effect Effects 0.000 title claims abstract description 10
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims abstract description 16
- 238000005096 rolling process Methods 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 claims description 12
- 230000003068 static effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 241000270295 Serpentes Species 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000002457 bidirectional effect Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000009993 protective function Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000002224 dissection Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
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Abstract
A kind of double-direction twist moment overload protective device being able to achieve bidirectional protective in axis transmission.It is made of outer ring, inner ring, roller, retainer, baffle, serpentine spring, cushion block, waveform spring and end cap.Wherein, there are outer ring roller slot, end cap slot and outside keyway on outer ring；There are baffle plate groove, baffle orifice, inner ring roller slot, waveform spring slot, internal keyway and inner ring end cap slot in inner ring；Roller hole and baffle holes on retainer.Baffle is made of baffle head and baffle ear.Outer ring connects driven shaft, and inner ring connects driving shaft.After driving shaft starting, inner ring starts turning and outer ring is opposing stationary, roller starts rolling and a close nearest waveform spring, since waveform spring outer surface protrudes from inner ring roller rooved face, roller will be stuck between outer ring and waveform spring, make inner ring that outer ring be driven to rotate synchronously and realize axis transmission；When driven shaft is hindered or even is stuck, roller is just forced to grind waveform spring, retainer blocks roller close to next waveform leaf spring under the blocking of the baffle plate while also at this time, so that it is not blocked and is able to rotate again, to realize overload protective function.
Description
Technical field:
The present invention relates to a kind of mechanical double-way torque overload protectors, belong to machinery field.
Technical background:
Current existing Bidirectional overload protector has ball-type, frictional, fluid pressure type, pneumatic type, electromagnetic type etc..These
Protector all has his own strong points, and application field is also very extensive.But it is relative complex all to there is structure, assembly occupied space is big, system
It makes, safeguard and the problem of higher operating costs.Therefore, the present invention provides a kind of structure is relatively easy, small in size, assembly is occupied
Space is small, and manufacturing cost and use cost is low, non-maintaining double-direction twist moment overload protective device.
Summary of the invention:
The technical problem to be solved in the invention is to overcome the shortcomings of background technique, provides a kind of mechanical double-way torque
Overload protective device, the simple small in volume of structure are easy to use.The contents of the present invention are as follows.
1, structure:
Double-direction twist moment overload protective device is by outer ring, inner ring, roller, retainer, baffle, serpentine spring, cushion block, waveform spring
It is constituted with end cap.Wherein, there are outer ring roller slot, outer ring end cap slot and outside keyway on outer ring；Have in inner ring baffle plate groove, baffle orifice,
Internal keyway, inner ring roller slot, waveform spring slot and inner ring end cap slot；There are roller hole and baffle holes on retainer；Baffle is by baffle
Head and baffle ear are constituted.
2, working principle:
Outer ring passes through internal keyway and active axis connection by outside keyway and driven axis connection, inner ring.When driving shaft starts to open
When dynamic, outer ring remains static, and roller rolls therewith.When roller reaches waveform spring position, due to waveform spring appearance
Face protrudes from inner ring roller rooved face, and at this time due to the rubbing action that piece surface is asked, roller is just stuck in outer ring and waveform spring
Between, to drive outer ring, rotates synchronously outer ring and inner ring and realize axis transmission.
In axis transmission process, if driven shaft is obstructed or even is stuck, torque can increase suddenly at this time, just force roller
Roll waveform spring make waveform spring deformation until roller ground waveform spring, make roller enter another rotatable space,
Driving shaft can be allowed to continue to rotate driven shaft has been stuck at this time, to reach the mesh that overload protection prevents parts from damaging
's.
However roller will continue to close final to next waveform spring and is stuck in next after grinding first waveform spring
On a waveform spring, if driven shaft is still stuck at this time, it is bound to cause another torque and increases suddenly, also can over time
The acceleration of parts is caused to damage.Therefore two symmetrical baffles are set, limitation retainer rotation prevents roller close to next wave
Shape spring.
Baffle pushes baffle to axle center by baffle ear by serpentine spring when driving shaft is static, and baffle does not play limitation at this time
Effect.When driving shaft slowly runs, the centrifugal force of baffle is not enough to resist the strength of serpentine spring, and baffle does not play limitation yet
Effect；With the raising of revolving speed, when the centrifugal force of baffle is enough to resist the strength of snakelike leaf spring, baffle ear will oppress snakelike bullet
Spring is allowed to deform, and baffle head, which just passes through baffle orifice and extend between outer ring and inner ring, blocks retainer rotation limitation roller close to wave
Shape spring plays barrier effect.The effect of cushion block is the axis that may cause when anti-baffle plate shifts to axle center under the action of snakelike leaf spring
To falling off.The effect of end cap first is that in order to which baffle in radial smooth sliding and prevents falling off for serpentine spring, second is that rise sealing and
Dust-proof effect.
Detailed description of the invention:
Fig. 1 is appearance diagram, and Fig. 2 is internal structure dissection schematic diagram, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9,
Figure 10 and Figure 11 is design of part schematic diagram.
Specific embodiment:
The invention will be further described below in conjunction with the accompanying drawings.
1. structure:
Double-direction twist moment overload protective device is by outer ring (1), inner ring (2), roller (3), retainer (4) baffle (5), serpentine spring
(6), cushion block (7), waveform spring (8) and end cap (9) are constituted.
There are outer ring roller slot (10), outer ring end cap slot (11) and outside keyway (12) on outer ring (1).
There are baffle plate groove (13), baffle orifice (14), inner ring roller slot (15), waveform spring slot (16), internal keyway in inner ring (2)
(17) and inner ring end cap slot (18).
There are roller hole (19) and baffle holes (20) on retainer.
Baffle (5) is made of baffle head (21) and baffle ear (22).
Main structure is constituted by outer ring (1), inner ring (2), roller (3) and retainer (4)；Outer ring (1) is located at main structure
Outermost, inner ring (2) is located at the center of main structure；Roller (3) is located at outer ring roller slot (10) and inner ring roller slot (15)
Between；Retainer (4) is located between outer ring (1) and inner ring (2), passes through roller (3) fitting of roller hole (19) and corresponding number；
Baffle (5) is located in baffle plate groove (13), and baffle head (21) is towards baffle orifice (14) direction；Serpentine spring (6) is embedded into baffle plate groove
(13) it is formed by hole between baffle ear (22)；Cushion block (7) is located at the shaft core position of baffle plate groove (13)；Waveform spring
(8) it is located in waveform spring slot (16)；End cap (9) is located at the two sides of inner ring (2), is embedded into outer ring end cap slot (11) and inner ring end
Between cover slot (18).
2. working principle:
Outer ring (1) connects driven shaft by outside keyway (12), and inner ring (2) connects driving shaft by internal keyway (17).Outer ring
(1) spacing between the inner ring roller slot (15) of outer ring roller slot (11) and inner ring (2) can just accommodate roller (3) and energy
Roll it therebetween.When driving shaft starts to start moment, outer ring (1) is in relative static conditions, and roller (3) will be in outer ring
It is rolled between roller slot (9) and inner ring roller slot (15).When roller (3) is rolled to waveform spring (8) position, due to waveform bullet
Spring (8) is in tiles, and outer surface protrudes from inner ring roller slot (15) surface, and roller (3) is just stuck in outer ring (1) and waveform at this time
Between spring (8), so that outer ring (1) be driven to rotate, also just plays driving shaft and drive driven shaft rotation, realize the work of axis transmission
With.
In axis transmission process, if driven shaft is obstructed or even is stuck, driving shaft is also being continued to rotate, at this time torque
It can increase suddenly, roller (3) is just forced to roll waveform spring (8), so that roller (3) is entered another rotatable space, allow
Driving shaft continues to rotate, to achieve the purpose that overload protection prevents parts from damaging.
However roller (3) will continue to approach to next waveform spring (8) after rolling first waveform spring (8), most
It is stuck between next waveform spring (8) and outer ring (2) again eventually, if driven shaft is still obstructed or is stuck at this time, Shi Biyou
Once torque is caused to increase suddenly, will also result in the acceleration damage of parts over time.Therefore two positions are set on inner ring (2)
It sets symmetrical baffle (5), limitation retainer (4) rotation stops roller (3) close to next waveform spring (8).
Baffle (5) pushes axle center to when inner ring (2) is static, by serpentine spring (6), and baffle (5) does not provide constraints at this time,
Roller (3) can freely roll between two waveform springs (8), also just not influence actively any one axial direction starting.
When inner ring (2) slowly runs, centrifugal force caused by baffle (5) is not enough to resist the strength of serpentine spring (6), baffle (5)
Shaft core position will be pressed to by serpentine spring (5), also not play barrier effect；With the raising of revolving speed, the centrifugal force foot of baffle (5)
When strength to resist serpentine spring (6), the baffle head (21) of baffle (5) just by baffle orifice (14) extend into outer ring (1) and
Retainer (4) rotation is limited between inner ring (2) to stop roller (3) close to next waveform spring (8).The work of cushion block (7)
It is fallen off with what be may cause when being anti-baffle plate (5) under the action of serpentine spring (6) and move back to axle center.The effect one of end cap (9)
Be in order to which baffle (5) is radially sliding smooth and is preventing serpentine spring (6) from falling off, second is that serve sealing and it is dust-proof.
Claims (1)
1. a kind of double-direction twist moment overload protective device, including outer ring (1), inner ring (2), roller (3), retainer (4), baffle (5), snake
Shape spring (6), cushion block (7), waveform spring (8) and end cap (9), it is characterised in that the double-direction twist moment overload protective device is by outer
Ring (1), inner ring (2), roller (3) and retainer (4) constitute main structure, baffle (5), serpentine spring (6), cushion block (7), waveform
Spring (8) and end cap (9) are matched with corresponding main structure；The retainer (4) be located at outer ring (1) and inner ring (2) it
Between, roller (3) fitting of roller hole (19) and respective numbers, the quantity of baffle holes (20) is also corresponding with roller (3) quantity, uses
In receiving baffle head (21) and by the control of baffle (5), roller is stopped not reaccees next waveform spring (8)；Described is outer
Ring (1) is located at the outermost of main structure, is made of outer ring roller slot (10), outer ring end cap slot (11) and outside keyway (12), leads to
Cross outside keyway (12) and driven axis connection；The inner ring (2) is located at the center of main structure, by baffle plate groove (13), gear
Plate mouth (14), inner ring roller slot (15), waveform spring slot (16), internal keyway (17) and inner ring end cap slot (18) are constituted, by interior
Keyway (17) and active axis connection；The roller (3) is located between outer ring roller slot (10) and inner ring roller slot (15), plays branch
Support and rolling action, relatively rotate outer ring (1) and inner ring (2) can；The baffle (5) is by baffle head (21) and baffle ear
(22) it constitutes, is located in baffle plate groove (13), baffle head (21) starts to control production towards baffle orifice (14) direction, to retainer (4)
With；The waveform spring (8) is located in waveform spring slot (16), and effect is to hinder the movement of roller (3)；Described is snakelike
Spring (6) is located in the hole for the two sides that baffle plate groove (13) and baffle (5) are formed, and effect is in static or low speed by baffle
(5) push shaft core position to, control baffle (5) plays a role；The cushion block (7) leans on the position in axle center embedded in baffle plate groove (13),
Its effect is that the radial direction being likely to occur when anti-baffle plate (5) pushes axle center to by serpentine spring (6) falls off；Described end cap (9) position
Between the two sides of outer ring (1) and inner ring (2), outer ring end cap slot (10) and inner ring end cap slot (17), effect is to make baffle (5)
It is radially smooth to slide and prevent serpentine spring (6) from falling off, while playing sealing and dust-proof effect；The baffle plate groove (13)
It is symmetrical with baffle orifice (14) and is distributed on inner ring (2), the quantity of distribution is decided according to the actual requirements；The waveform spring
Slot (16) is distributed on the inner ring roller slot (15) of inner ring (2), and the quantity of distribution is corresponding with the quantity of roller (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410201784.4A CN103953664B (en) | 2014-05-14 | 2014-05-14 | Double-direction twist moment overload protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410201784.4A CN103953664B (en) | 2014-05-14 | 2014-05-14 | Double-direction twist moment overload protective device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103953664A CN103953664A (en) | 2014-07-30 |
| CN103953664B true CN103953664B (en) | 2018-12-11 |
Family
ID=51330982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410201784.4A Active CN103953664B (en) | 2014-05-14 | 2014-05-14 | Double-direction twist moment overload protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103953664B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041208A (en) * | 1989-10-11 | 1990-04-11 | 天津市第二机床厂 | Rolling-friction clutch |
| US4921084A (en) * | 1989-04-24 | 1990-05-01 | General Motors Corporation | Low friction roller control car |
| EP1031752A1 (en) * | 1999-02-26 | 2000-08-30 | BorgWarner Inc. | Ratchet one-way clutch assembly with restraining members |
| CN101586634A (en) * | 2009-06-19 | 2009-11-25 | 常州沃肯传动科技有限公司 | Electric vehicle overrunning clutch |
| CN102345691A (en) * | 2010-08-02 | 2012-02-08 | 王雷 | Structure of novel clutch |
| CN204082990U (en) * | 2014-05-14 | 2015-01-07 | 徐毅 | Double-direction twist moment overload protective device |
-
2014
- 2014-05-14 CN CN201410201784.4A patent/CN103953664B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4921084A (en) * | 1989-04-24 | 1990-05-01 | General Motors Corporation | Low friction roller control car |
| CN1041208A (en) * | 1989-10-11 | 1990-04-11 | 天津市第二机床厂 | Rolling-friction clutch |
| EP1031752A1 (en) * | 1999-02-26 | 2000-08-30 | BorgWarner Inc. | Ratchet one-way clutch assembly with restraining members |
| CN101586634A (en) * | 2009-06-19 | 2009-11-25 | 常州沃肯传动科技有限公司 | Electric vehicle overrunning clutch |
| CN102345691A (en) * | 2010-08-02 | 2012-02-08 | 王雷 | Structure of novel clutch |
| CN204082990U (en) * | 2014-05-14 | 2015-01-07 | 徐毅 | Double-direction twist moment overload protective device |
Non-Patent Citations (1)
| Title |
|---|
| 《新型安全离合器》;梁以德;《机械设计与研究》;20030228;第19卷(第01期);第7页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103953664A (en) | 2014-07-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180411 Address after: 226600 Changjiang West Road, Haian County, Nantong, Jiangsu Province, No. 33 Applicant after: Xia Yu Address before: 400020 No. 34, No. 34, Xing Long Lu, Jiangbei District, Chongqing City, 23-18 Applicant before: Xu Yi |
|
| TA01 | Transfer of patent application right | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 215008 Soochow University, 50 East loop road, Suzhou, Jiangsu Applicant after: Xia Yu Address before: 226600 Changjiang West Road, Haian County, Nantong, Jiangsu Province, No. 33 Applicant before: Xia Yu |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20181031 Address after: 226600 Donghai Road (East) 18, Chengdong Town, Haian economic and Technological Development Zone, Nantong, Jiangsu Applicant after: Jiangsu Haixun Railway Equipment Group Co., Ltd. Address before: 215008 Soochow University, 50 East loop road, Suzhou, Jiangsu Applicant before: Xia Yu |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190411 Address after: 226600 No. 18 Donghai Avenue, Chengdong Town, Haian City, Jiangsu Province Co-patentee after: NANTONG HAIXUN DRAKA ELEVATOR PRODUCTS CO., LTD. Patentee after: Jiangsu Haixun Railway Equipment Group Co., Ltd. Address before: 226600 Donghai Road (East) 18, Chengdong Town, Haian economic and Technological Development Zone, Nantong, Jiangsu Patentee before: Jiangsu Haixun Railway Equipment Group Co., Ltd. |
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| TR01 | Transfer of patent right |