CN101922520B - Torque releasing mechanism of operating handle - Google Patents
Torque releasing mechanism of operating handle Download PDFInfo
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- CN101922520B CN101922520B CN201010183533.XA CN201010183533A CN101922520B CN 101922520 B CN101922520 B CN 101922520B CN 201010183533 A CN201010183533 A CN 201010183533A CN 101922520 B CN101922520 B CN 101922520B
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- output shaft
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- torque
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Abstract
With respect to a conventional torque releasing mechanism of an operating handle, a set value of a torque for performing the releasing action can not be adjusted and even if the set value can be adjusted, a spring has to be changed, which is therefore very troublesome. Therefore, the invention provides a torque releasing mechanism of an operating handle, wherein the torque releasing mechanism comprises an installation recess (2) disposed at an output shaft of a main body (1) of the handle, an annular cover body (3) which is screwed with an opening of the installation recess and a mechanism component. The mechanism component comprises a clutch component (12), an output shaft support component (13), an output shaft (14) and a compression force component (5), wherein the clutch component (12) has a pair of clamping components which utilize the torque to release the clamping and are capable of rotating relative to each other, the output shaft support component (13)is installed between the clutch component and the annular cover body, the output shaft (14) is supported at the output shaft support component and protrudes through a central opening of the annular cover body, and the compression force component (5) is installed between the clutch component and the bottom of the installation recess.
Description
Technical field
The present invention relates to a kind of operating grip of crank-like, it is for carrying out rotation process etc. to actuator, this actuator makes the bed board action of the bed of the elevating type used in hospital, nurse mechanism or family etc., or in other machines, make platform or various member acts, particularly relate to a kind of torque releasing mechanism of operating grip, in the limit of the actuating range of bed board etc., when operating grip producing excessive torque, this torque can be discharged.
Background technique
At scene that is medical or nurse, in order to promptly carry out the Up-and-down action of the bed board of bed, the situation of operating grip being carried out to rotation process is more, at this moment, mostly the upper limit of actuating range or the lower rotation process still continuing operating grip are in limited time arrived at bed board, therefore excessive torque is produced to output shaft, damage the operating grip self as important parts or miscellaneous part sometimes.
Therefore, proposed there is various torque releasing mechanism, in the operation of such operating grip, when producing excessive torque, above-mentioned torque releasing mechanism discharges this torque and prevents from damaging in the past.
Such as in patent documentation 1, engage as the curved part in the leaf spring member of forcing unit, claw and the elasticity be formed between gear part on clutch component, switch-in part by being formed in, carry out torque from handle main body to the transmission of output shaft, or carry out torque from handle main body to the transmission of output shaft by the elastic card between the switch-in part that is formed on the component that exerted a force by compression helical spring and the inclination teat be formed on clutch component is incompatible, in the operation of operating grip, when producing excessive torque, by removing the incompatible release torque of elastic card.
In patent documentation 2, by enclosing the structure of viscous fluid or viscous elastomer in the gap that formed between the sleeve of the handle main body side at chimeric output shaft and sleeve embedding hole, handle main body is made to discharge torque relative to output shaft idle running.
Patent documentation 1: Japanese Unexamined Patent Publication 2003-13993 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2005-46308 publication
The problem that invention will solve
In torque releasing mechanism in the past illustrated above, the mechanism of patent documentation 2 can not regulate the setting of the torque making release movement carry out.
On the other hand, although the mechanism of patent documentation 1 can utilize the setting of the spring constant of latch plate or compression helical spring to the torque making release movement carry out to regulate, but need to change latch plate or compression helical spring to regulate, cumbersome, and can not finely tune.
And the mechanism of patent documentation 2 is that the idle running that causes with viscous fluid is to discharge the mechanism of torque, therefore there is following problem: be difficult to feel the d/d action of torque significantly, operator is difficult to the limit of discovery operation, and because structure is special, therefore cost is higher, by the restriction of production site, equipment.
Summary of the invention
The present invention is to solve the problem as problem.
Solve the means of problem
In order to solve above-mentioned problem, in the present invention, first propose a kind of torque releasing mechanism of operating grip, have: the mounting recess being located at the end side of handle main body; The annular cover screwed with the opening side of mounting recess; And the mechanism member that can be arranged on movably vertically in mounting recess, mechanism member has: clutch component, it has a pair fastened component that can be arranged on movably vertically in mounting recess, this can rotate after utilizing torque to carry out engagement release to fastened component relatively, and the side in a pair fastened component is supported for and only can moves vertically relative to mounting recess; Output shaft supporting member, it is arranged between this clutch component and annular cover, the opposing party in a pair fastened component is supported for and can not relatively rotates with this output shaft supporting member; Compression force application component, it is arranged between described clutch component and the bottom of mounting recess; And output shaft, works as clutch component, output shaft supporting member, compression force application component is screwed after in mounting recess by annular cover, and this output shaft can be supported in this output shaft supporting member with inserting from outside by moving axially, and this output shaft is given prominence to via the central portion of annular cover.
Again, in the present invention, next propose a kind of torque releasing mechanism of operating grip, have: the mounting recess being located at the end side of handle main body; The annular cover screwed with the opening side of mounting recess; And the mechanism member that can be arranged on movably vertically in mounting recess, mechanism member has: clutch component, it has a pair fastened component that can be arranged on movably vertically in mounting recess, this can rotate after utilizing torque to carry out engagement release to fastened component relatively, and the side in a pair fastened component is supported for and only can moves vertically relative to mounting recess; Output shaft supporting member, it is arranged between this clutch component and annular cover, the opposing party in a pair fastened component is supported for and can not relatively rotates with this output shaft supporting member; Compression force application component, it is arranged between described clutch component and output shaft supporting member; And output shaft, works as clutch component, output shaft supporting member, compression force application component is screwed after in mounting recess by annular cover, and this output shaft can be supported in described output shaft supporting member with inserting from outside by moving axially, and this output shaft is given prominence to via the central portion of annular cover.
Again, in the present invention, a kind of torque releasing mechanism of operating grip is proposed, in said structure, clutch component is thrust ball bearing, this thrust ball bearing is configured with shim member in the inside and outside side of the ball guides maintaining multiple ball, and is formed with ball engaging recess accordingly with the ball retaining hole of ball guides in the shim member of side.
Again, in the present invention, propose a kind of torque releasing mechanism of operating grip, in said structure, clutch component is the component forming gear coupling body or friction coupling body.
Again, in the present invention, a kind of torque releasing mechanism of operating grip is proposed, in said structure, the shim member being provided with ball engaging recess is configured in output shaft supporting member side by thrust ball bearing, in the present invention, a kind of torque releasing mechanism of operating grip is also proposed, in said structure, the shim member being provided with ball engaging recess is configured in the bottom side of mounting recess by thrust ball bearing, and the shim member of described side and ball guides form described a pair fastened component.
In the present invention, propose a kind of torque releasing mechanism of operating grip, in above structure, compression force application component is belleville spring, also can be compression helical spring or elastomer itself in addition.
The effect of invention
In above structure, under the usual using state of operating grip, clutch component utilizes the thrust of compression force application component to be crimped on the bottom of output shaft supporting member or mounting recess, because a pair fastened component is fastening state, therefore in the operation of handle main body, the torque applied from mounting recess passes to output shaft supporting member by a pair fastened component of clutch component, then pass to output shaft, rotary actuation can be carried out to the actuator etc. of the lifting leaning device of the bed board of the bed linked with output shaft.
If carry out rotation process to operating grip like this and carry out the lifting tilting action of bed board, do not know to arrive the limit position of action and continue the words of the rotation process of operating grip, then above-mentioned actuator etc. can not rotate, the rotation of output shaft is prevented from, and therefore becomes the state producing excessive torque between output shaft and handle main body.
But in the present invention, when torque reaches more than certain value, the engaging of a pair fastened component can be rotated relatively by removing, and prevents excessive torque like this by the idle running of clutch component.
When continuing the rotation process of operating grip in the above-described state, if use above-mentioned thrust ball bearing or gear coupling body as clutch component, then can bring the so-called click effect of operator and the click of operating grip, therefore operator easily can find the limit position arriving action thus.
The torque needed for engaging releasing of a pair fastened component, corresponding with the thrust of compression force application component, therefore by regulating this thrust, the setting value of the torque that above-mentioned release movement can be regulated to carry out.In the present invention, screw degree by what regulate the annular cover that screws with the opening side of mounting recess, easily can regulate thrust, also can finely tune.
If use belleville spring as compression force application component, then can obtain the thrust of regulation with less space, but also can use compression helical spring or the elastomer such as urethane, rubber itself.
Accompanying drawing explanation
Fig. 1 is the discrete exploded view of the structural element of the first example of the torque releasing mechanism representing operating grip of the present invention.
Fig. 2 is the discrete exploded view of the structural element of the first example of the torque releasing mechanism of operating grip of the present invention viewed from the direction different from Fig. 1.
Fig. 3 is the discrete exploded view each key element shown in Fig. 1 being carried out to perspective cross section expression.
Fig. 4 is the sectional drawing of the using state of transmitting torque in the operating grip shown in Fig. 1 ~ Fig. 3.
Fig. 5 is the sectional drawing of the using state of torque release in the operating grip shown in Fig. 1 ~ Fig. 3.
Fig. 6 is the discrete exploded view of the structural element of the second example of the torque releasing mechanism representing operating grip of the present invention.
Fig. 7 is the discrete exploded view of the structural element of the 3rd example of the torque releasing mechanism representing operating grip of the present invention.
Fig. 8 is the discrete exploded view of the structural element of the 3rd example of the torque releasing mechanism of operating grip of the present invention viewed from the direction different from Fig. 7.
Symbol description
1 handle main body
2 mounting recess
3 annular cover
4a internal thread part
4b external thread part
5 compressions force application component (belleville spring)
6 balls
7 ball guides
8 shim member (having recess)
9 shim member
10 ball retaining holes
11 engaging recesses
12 clutch components (member of formation of thrust ball bearing, gear coupling body)
13 output shaft supporting members
14 output shafts
15 guide cylinder portions
16 recessed bars
17,18,23,30 teats
18,20,24,25 recesses
21 O shape rings
22 handles
26,27 fastened components
28,29 teeth
Embodiment
Next, be described with reference to the example of accompanying drawing to the torque releasing mechanism of operating grip of the present invention.
Fig. 1 ~ Fig. 5 is relevant to the first example of the present invention, in these figures, symbol 1 is handle main body, mounting recess 2 is formed in the end side of this handle main body 1 and output shaft side, be combined with annular cover 3 in the opening side of this mounting recess 2, and movably mechanism member can be installed vertically in mounting recess 2.Symbol 4a is the internal thread part of the internal surface of the opening side being formed at mounting recess 2, and symbol 4b is the external thread part of the periphery being formed at annular cover 3.
In this example, mechanism member adopts thrust ball bearing as clutch component 12.That is, this mechanism member comprises: compression force application component 5, and it is overlapped by multi-disc belleville spring (being 4 here); Thrust ball bearing 12, it is configured with shim member 8,9 in the inside and outside side of the ball guides 7 keeping multiple ball 6, and in the shim member 8 of side, is formed with ball engaging recess 11 accordingly with the ball retaining hole 10 of ball guides 7; Output shaft supporting member 13, it is arranged between thrust ball bearing 12 and annular cover 3; And output shaft 14, it is supported in this output shaft supporting member 13, and gives prominence to via the central portion (symbol omission) of annular cover 3.
Here, all have central portion (symbol omission) as the compression belleville spring of force application component 5, shim member 8,9 and ball guides 7, these components are chimeric with the guide cylinder portion 15 projected from the bottom side of mounting recess 2 to opening side.
As shown in the figure, in this example, described mechanism member is following using state: install the compression force application component 5 of employing belleville spring, shim member 9, ball guides 7 and ball 6, the shim member 8 being formed with ball engaging recess 11, output shaft supporting member 13 and output shaft 14 from the bottom side of mounting recess 2 to opening side successively, then screw annular cover 3 in the opening side of mounting recess 2.
At this moment, axial multiple recessed bar 16 is provided with at the internal surface of mounting recess 2, and corresponding with this recessed bar 16, be provided with teat 17 in the periphery of ball guides 7, chimeric by recessed bar 16 and raised line 17, ball guides 7 is supported for and only can moves vertically relative to mounting recess 2.
On the other hand, output shaft supporting member 13 is provided with the recess 18 of chimeric shim member 8, and in recess 18, is provided with multiple teat 19, be provided with the recess 20 corresponding with above-mentioned teat 19 in the periphery of shim member 8.Therefore, shim member 8 is integrated with output shaft supporting member 13 and rotate.Therefore, this shim member 8 and output shaft supporting member 13 component that also can be integrally constituted.
In addition, in this example, be configured to for the purpose of dust-proof, waterproof, O shape ring 21 is installed between output shaft supporting member 13 and annular cover 3.And, be provided with operation handle 22 collapsibly in another side of handle main body 1.
In said structure, under the common using state of operating grip, as shown in Figure 4, thrust ball bearing 12 utilizes the thrust of compression force application component 5 to be crimped on output shaft supporting member 13, and the ball 6 therefore remained in the ball retaining hole 10 of ball guides 7 engages with the engaging recess 11 that shim member 8 is formed.Because ball 6 utilizes the thrust of compression force application component 5 maintain and engage the state engaged with recess 11, therefore in the operation of handle main body 1, the torque of ball guides 7 is applied to by passing to shim member 8 with the ball 6 engaged with recess 11 engages from mounting recess 2, then the output shaft supporting member 13 of non-rotatably support pad component 8 is passed to, then pass to output shaft 14, rotary actuation can be carried out to the actuator etc. of the lifting leaning device of the bed board of the bed linked with output shaft 14.
Like this rotation process carried out to operating grip and carry out the lifting tilting action of bed board, if do not know to arrive the limit position of action and continue the rotation process of operating grip, then above-mentioned actuator etc. can not rotate, the rotation of output shaft 14 is prevented from, and therefore becomes the state producing excessive torque between output shaft 14 and handle main body 1.
But in the present invention, when torque reaches more than certain value, as relative movement, ball 6 overcomes the thrust of compression force application component 5 and deviates from from the engaging recess 11 of shim member 8, therefore ball guides 7 and shim member 8, ground identical with the usual action of thrust ball bearing 12 rotates relatively, prevents excessive torque like this by idle running.
If continue the rotation process of operating grip in this state, then ball 6 dallies via engaging recess 11 and the position not arranging engaging recess 11 successively in shim member 8, namely, ball 6 carries out removing with the engaging of recess 11 and engaging with engaging continuously, therefore brings the so-called click effect of operator and the click of operating grip.Therefore, operator easily finds the limit position having arrived action thus, and operation sense is also very good.
Here, it is corresponding with the thrust of compression force application component 5 that ball 6 deviates from required torque from engaging recess 11, therefore by regulating this thrust just can regulate the setting value of the torque carrying out above-mentioned release movement.
Especially in the present invention, by regulate be combined on the annular cover 3 of the opening side of mounting recess 2 screw degree, easily can regulate thrust, also can finely tune.
As shown in this example, if use belleville spring as compression force application component 5, just can obtain the thrust of regulation with less space.In addition, compression helical spring or the elastomer such as urethane, rubber itself can also be used as compression force application component 5.
In above-mentioned example, as the thrust ball bearing 12 of coupling, the shim member 8 being provided with ball engaging recess 11 is configured in output shaft supporting member 13 side, but in the second example, in contrast, namely as shown in Figure 6, the shim member 8 being provided with ball engaging recess 11 also can be configured in the bottom side of mounting recess 2 by thrust ball bearing 12.
In this example, also the repetitive description thereof will be omitted to mark identical symbol for the structural element identical with above-mentioned example, only difference is described.
Namely, in this example, corresponding with the many recessed bars 16 of axis of the internal surface being formed in mounting recess 2, teat 23 is formed in the periphery of the shim member 8 being provided with ball engaging recess 11, by teat 23 is chimeric with above-mentioned recessed bar 16, thus shim member 8 is supported for only can moves vertically relative to mounting recess 2.
On the other hand, on output shaft supporting member 13, be provided with the recess (omitting diagram) of chimeric shim member 9 and ball guides 7, and in this recess, be provided with the teat identical with above-mentioned multiple teat 19, in the periphery of shim member 9 and ball guides 7, be respectively equipped with the recess 24,25 corresponding with this teat.Therefore, shim member 9 and ball guides 7 integrated with output shaft supporting member 13 and rotate.In this example, also can by the component of shim member 9 and being integrally constituted of output shaft supporting member 13.
In addition, in above-mentioned example, compression thrust component 5 is located between the bottom of thrust ball bearing 12 and mounting recess 2, but as other example, although the diagram of eliminating, also compression force application component can be located between thrust ball bearing 12 and output shaft supporting member 13.
Fig. 7, Fig. 8 are relevant to the 3rd example of the present invention, in the 3rd example, replace the thrust ball bearing of first, second example above-mentioned, use the component forming gear coupling body as clutch component 12, and the side fastened component 27 formed in a pair fastened component 26,27 of the component of gear coupling body is integrally constituted with output shaft supporting member 13.Structural element is in addition identical with first, second example above-mentioned, and also the repetitive description thereof will be omitted therefore to mark identical symbol for corresponding constituting component, only difference is described.
Namely, in this example, clutch component 12 has and utilizes torque to carry out engagement release and a pair fastened component 26,27 that can relatively rotate, and this clutch component 12 is as the structure forming gear coupling body, in the respective opposing side side of fastened component 26,27, be formed with the stepped tooth 28,29 of engagement.Fastened component 27 and the output shaft supporting member 13 of annular cover 3 side are integrally constituted, and in addition, the periphery of the fastened component 26 of mounting recess 2 side is provided with the teat 30 chimeric with the recessed bar 16 in mounting recess 2.
In this example, the lifting tilting action of bed board is carried out when carrying out rotation process to operating grip, do not know to arrive the limit position of action and continue the rotation process of operating grip, when torque between output shaft and handle main body reaches more than certain value, the engaging of the tooth 28,29 of a pair fastened component 26,27 can be rotated relatively by removing, and such clutch component 12 dallies thus prevents excessive torque.If continue the rotation process of operating grip in this state, whenever tooth 28,29 repeatedly carry out engaging with engage remove time, just bring the so-called click effect of operator and the click of operating grip, therefore, operator easily can find the limit position arriving action thus.
Practicability in industry
The torque releasing mechanism of operating grip of the present invention, has above-mentioned effect, and structure is simple, is not therefore subject to the restriction of production site and equipment, can produces at an easy rate.
Like this, the present invention uses as carrying out the crank-like operating grip of rotation process to actuator, this actuator makes the bed board action of the bed of the elevating type used in hospital, nurse mechanism or family, in addition, in other various machine, as to making platform, crank-like operating grip that the actuator of various member acts carries out rotation process and the possibility used is larger.
Claims (10)
1. a torque releasing mechanism for operating grip, is characterized in that, has:
Be located at the mounting recess of the end side of handle main body;
The annular cover screwed with the opening side of mounting recess; And
The mechanism member in mounting recess can be arranged on vertically movably,
Mechanism member has:
Clutch component, it has a pair fastened component that can be arranged on movably vertically in mounting recess, this can rotate after utilizing torque to carry out engagement release to fastened component relatively, and the side in a pair fastened component is supported for and only can moves vertically relative to mounting recess;
Output shaft supporting member, it is arranged between this clutch component and annular cover, the opposing party in a pair fastened component is supported for and can not relatively rotates with this output shaft supporting member;
Compression force application component, it is arranged between described clutch component and the bottom of mounting recess; And,
Output shaft, work as clutch component, output shaft supporting member, compression force application component is screwed after in mounting recess by annular cover, this output shaft can be supported in this output shaft supporting member with inserting from outside and by this output shaft supporting member rotary actuation, this output shaft is given prominence to via the central portion of annular cover by moving axially.
2. a torque releasing mechanism for operating grip, is characterized in that, has:
Be located at the mounting recess of the end side of handle main body;
The annular cover screwed with the opening side of mounting recess; And
The mechanism member in mounting recess can be arranged on vertically movably,
Mechanism member has:
Clutch component, it has a pair fastened component that can be arranged on movably vertically in mounting recess, this can rotate after utilizing torque to carry out engagement release to fastened component relatively, and the side in a pair fastened component is supported for and only can moves vertically relative to mounting recess;
Output shaft supporting member, it is arranged between this clutch component and annular cover, the opposing party in a pair fastened component is supported for and can not relatively rotates with this output shaft supporting member;
Compression force application component, it is arranged between described clutch component and output shaft supporting member; And,
Output shaft, work as clutch component, output shaft supporting member, compression force application component is screwed after in mounting recess by annular cover, this output shaft can be supported in this output shaft supporting member with inserting from outside and by this output shaft supporting member rotary actuation, this output shaft is given prominence to via the central portion of annular cover by moving axially.
3. the torque releasing mechanism of operating grip as claimed in claim 1 or 2, is characterized in that,
Clutch component is thrust ball bearing, this thrust ball bearing is configured with shim member in the inside and outside side of the ball guides maintaining multiple ball, and be formed with ball engaging recess accordingly with the ball retaining hole of ball guides in the shim member of side, the shim member of described side and ball guides form described a pair fastened component.
4. the torque releasing mechanism of operating grip as claimed in claim 1 or 2, is characterized in that,
Clutch component is the component forming gear coupling body.
5. the torque releasing mechanism of operating grip as claimed in claim 1 or 2, is characterized in that,
Clutch component is the component forming friction coupling body.
6. the torque releasing mechanism of operating grip as claimed in claim 3, is characterized in that,
The shim member being provided with ball engaging recess is configured in output shaft supporting member side by thrust ball bearing.
7. the torque releasing mechanism of operating grip as claimed in claim 3, is characterized in that,
The shim member being provided with ball engaging recess is configured in the bottom side of mounting recess by thrust ball bearing.
8. the torque releasing mechanism of operating grip as claimed in claim 1 or 2, is characterized in that,
Compression force application component is belleville spring.
9. the torque releasing mechanism of operating grip as claimed in claim 1 or 2, is characterized in that,
Compression force application component is compression helical spring.
10. the torque releasing mechanism of operating grip as claimed in claim 1 or 2, is characterized in that,
Compression force application component is elastomer itself.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009138929A JP4993225B2 (en) | 2009-06-10 | 2009-06-10 | Torque release mechanism of operation handle |
| JP2009-138929 | 2009-06-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101922520A CN101922520A (en) | 2010-12-22 |
| CN101922520B true CN101922520B (en) | 2015-06-24 |
Family
ID=43337640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010183533.XA Active CN101922520B (en) | 2009-06-10 | 2010-05-14 | Torque releasing mechanism of operating handle |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4993225B2 (en) |
| CN (1) | CN101922520B (en) |
| TW (1) | TWI403650B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014210250B4 (en) | 2014-05-28 | 2021-04-01 | Ewellix AB | Adjusting device for a height-adjustable shelf and method for changing the height of a shelf |
| DE102014210253B4 (en) | 2014-05-28 | 2016-02-11 | Aktiebolaget Skf | Transmission for a height-adjustable shelf and method for changing a height of a shelf |
| DE102014216695B4 (en) * | 2014-08-22 | 2022-07-14 | Zf Friedrichshafen Ag | Spacer tube for a power transmission device of a rotary wing aircraft |
| DE202015100681U1 (en) * | 2015-02-12 | 2015-02-23 | Omni Trust Gmbh | Safety coupling for torque limitation |
| CN113531004A (en) * | 2021-07-30 | 2021-10-22 | 脉冲电子（东莞）有限公司 | Overload protection mechanism and speed reducing motor with same |
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|---|---|---|---|---|
| US4386689A (en) * | 1980-08-27 | 1983-06-07 | Taizo Kato | Torque limiter |
| CN2334385Y (en) * | 1998-06-26 | 1999-08-25 | 劦生业股份有限公司 | Patient bed rocker arm device with safety regulation |
| US6312339B1 (en) * | 1997-07-25 | 2001-11-06 | Martina Kuerten | Safety coupling |
| CN101210590A (en) * | 2006-12-26 | 2008-07-02 | 上海三电贝洱汽车空调有限公司 | Torque limiter |
| CN201209632Y (en) * | 2008-06-06 | 2009-03-18 | 无锡创明传动工程有限公司 | Coupler torquemoment overload protection device |
| CN201218291Y (en) * | 2008-07-01 | 2009-04-08 | 张力强 | Anti-overload transmission shaft |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE10011506A1 (en) * | 2000-03-09 | 2001-09-13 | Adolf Wuerth Gmbh & Co Kg | Torque transmission tool |
| JP2002048212A (en) * | 2000-08-04 | 2002-02-15 | Mitsubishi Heavy Ind Ltd | Mechanism for preventing excess torque |
| JP2002276847A (en) * | 2001-03-16 | 2002-09-25 | Maezawa Ind Inc | Cap for opening and closing valve |
| JP2003013993A (en) * | 2001-06-29 | 2003-01-15 | Paramount Bed Co Ltd | Manual operation means having overload releasing mechanism in bed or the like |
| JP2005282603A (en) * | 2004-03-26 | 2005-10-13 | Fujikin Inc | Handle with torque limiter and fluid controller equipped with the handle |
| TW200600232A (en) * | 2004-06-25 | 2006-01-01 | Chum Power Machinery Corp | A chuck structure with adjustable torque |
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2009
- 2009-06-10 JP JP2009138929A patent/JP4993225B2/en active Active
-
2010
- 2010-03-31 TW TW99109900A patent/TWI403650B/en not_active IP Right Cessation
- 2010-05-14 CN CN201010183533.XA patent/CN101922520B/en active Active
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| US4386689A (en) * | 1980-08-27 | 1983-06-07 | Taizo Kato | Torque limiter |
| US6312339B1 (en) * | 1997-07-25 | 2001-11-06 | Martina Kuerten | Safety coupling |
| CN2334385Y (en) * | 1998-06-26 | 1999-08-25 | 劦生业股份有限公司 | Patient bed rocker arm device with safety regulation |
| CN101210590A (en) * | 2006-12-26 | 2008-07-02 | 上海三电贝洱汽车空调有限公司 | Torque limiter |
| CN201209632Y (en) * | 2008-06-06 | 2009-03-18 | 无锡创明传动工程有限公司 | Coupler torquemoment overload protection device |
| CN201218291Y (en) * | 2008-07-01 | 2009-04-08 | 张力强 | Anti-overload transmission shaft |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101922520A (en) | 2010-12-22 |
| JP2010286022A (en) | 2010-12-24 |
| JP4993225B2 (en) | 2012-08-08 |
| TW201102535A (en) | 2011-01-16 |
| TWI403650B (en) | 2013-08-01 |
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