CN1854562A - Linear actuator with fast releaser - Google Patents
Linear actuator with fast releaser Download PDFInfo
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- CN1854562A CN1854562A CN 200510066475 CN200510066475A CN1854562A CN 1854562 A CN1854562 A CN 1854562A CN 200510066475 CN200510066475 CN 200510066475 CN 200510066475 A CN200510066475 A CN 200510066475A CN 1854562 A CN1854562 A CN 1854562A
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- spring
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- rotary part
- gets loose
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Abstract
A linear actuator with a quick loosing device mainly includes a power unit, a driving unit, a load joint and a quick loosing device. The quick loosing device disposed between the driving unit and the load joint mainly consists of a rotating part, a non-rotating part and a loosing spring. The lacing force of the loosing spring can bind or separate the rotating part and the non-rotating part and can also transfer the power.
Description
Technical field
The present invention is a kind of linear actuators of tool fast releaser, and linear actuators is on the reciprocating machinery equipment that applies to do to stretch out and regain, and fast releaser, is the mechanism design of load being replied under need not the power source supply.
Background technique
General linear actuators mainly is made up of institutes such as motor, force-output shaft, transmission shaft, screw axis, nut and interior pipes; At first motor reaches rotary torsion on the force-output shaft, because of force-output shaft and transmission shaft axially to engage, the rotary torsion of force-output shaft can be passed on the transmission shaft, and transmission shaft is provided with screw axis, is sheathed with on the screw axis and is connected to interior pipe on nut and the nut; When screw axis rotated with transmission shaft, nut converted the rotating force of screw axis the thrust or the pulling force of a linearity to, the to-and-fro motion that pipe is done to stretch out or regained in making and drive the load start to reach linear activated purpose.
Yet under passive delivery supply or during urgency, if need with the interior pipe of linear actuators and on load when regaining fast, linear actuators just must need can be manual the quick release mechanism of machinery.
Traditional quick release mechanism such as European patent EP 0685662 are that quick release mechanism is designed to the coupling pattern, and this coupling placed between transmission shaft and the screw axis, so in the time will getting loose, coupling promptly separates, and causes motor, force-output shaft and transmission shaft to separate with screw axis, nut and interior pipe; So screw axis can rotate freely in nut, and then pipe is regained in causing.Because the quick release mechanism design of coupling type almost is that pipe is regained in just load being reached moment when getting loose, and therefore can cause sizable impact force to load and linear actuators itself, and easily cause damage.
Another kind of traditional quick release mechanism such as 6158295 of U.S. Pat use the quick release mechanism of brake formula to design, though can reach the speed that interior pipe is regained by control load, and improved the problem of this impact force.Yet this kind of release mechanism must comprise a planet gear train; When getting loose, internal tooth and planetary pinion are except rotation, also to revolve round the sun around sun tooth, and its slide block that gets loose, also need to convert axial force to radial force, therefore mechanism design complexity, and release mechanism could add release mechanism in the time of must cooperating linear actuators that the design of planetary gear set will be arranged, so has limited the using scope of this kind of release mechanism.
Comprehensively above-mentioned, the quick release mechanism of conventional linear actuator is real necessary that improvement progresses greatly.
Summary of the invention
The object of the invention is: the present invention provides a kind of linear actuators of tool fast releaser, need not power source under the supply, linear actuators can with the withdrawal of load quick and stable also may command regain the speed and the distance of load.Be in design manage to interrupt or separate from the power source to the load between transmission of power, by the weight of load load is regained fast again.
The technological scheme that adopts for achieving the above object is as follows: the design of linear actuators of the present invention consists predominantly of: power plant are as the power source of output rotary torsion; One transmission device, with transmission of power to load, its include screw axis, nut and in pipe, this screw axis links power plant with transferring power, and nut is sleeved on screw axis and converts rotary torsion to linear motion, and interior pipe be fixed on the nut with nut with moving; One load connector can connect load and drive load and do linear moving; One fast releaser, it is arranged between the interior pipe and load connector of transmission device, coaxial joint should interiorly be managed and load connector, this fast releaser mainly is made up of rotary part, non-rotating and the spring that gets loose, make rotary part and above-mentioned in pipe join, non-rotating joins with above-mentioned load connector, and by the spring that gets loose in conjunction with rotary part and non-rotating portion, make power be passed to load connector and drive load and do linear moving from interior pipe, also can get loose rotary part and non-rotating portion make the load withdrawal.
Fast releaser of the present invention mainly is made up of rotary part, non-rotating and the spring that gets loose, with rotary part and interior pipe socket-connects but not rotary part and load connector socket-connect, and by the spring that gets loose in conjunction with rotary part and non-rotating portion, make power be passed to load connector and drive load and do linear moving from interior pipe, also can get loose rotary part and non-rotating portion make the load withdrawal.
The end design of spring of then will getting loose has invagination to collude to be fixed on the load connector, the other end of spring of getting loose has then designed outer folding and has colluded and can pull open the spring that gets loose, tighten power to adjust in conjunction with the spring of rotary part and non-rotating portion, when spring tighten power greater than rotary part when non-rotating combines required power, but cause rotary part and non-rotating portion to be combined into one and transferring power, and drive load; When spring tighten power less than rotary part when non-rotating combines required power, rotary part promptly breaks away from the restriction of non-rotating portion and rotates load is regained.
And fast releaser of the present invention design can be adjusted speed and the distance of regaining load, and by the adjustment angle that pulls open that the outer folding of spring colludes that gets loose, the may command spring is tightened the power size and adjusted the speed of regaining load; Collude by pulling open and bleed off the get loose outer folding of spring, the rotary part of fast releaser is got loose each other with non-rotating portion or combine, then can adjust the distance of regaining load; The rotary part of fast releaser is that the external diameter by get loose axle sleeve and ball bearing is constituted, and is constituted but not rotary part is internal diameter, bearing bush and a hold-doun nut by ball bearing.
Moreover the present invention can design the handle that gets loose, and this handle that gets loose has a short slot, the outer folding of the spring that gets loose colluded be sticked in this short slot, can conveniently adjust the angle that pulls open that the outer folding of the spring that gets loose colludes.
Beneficial effect of the present invention: the fast releaser design of the linear actuators of tool fast releaser at first of the present invention can have a module of one's own, can directly be additional between the interior pipe of linear actuators and the load connector and use, use in extensive range and structure and the quite simple and convenient assembling of assembly;
Fast releaser secondly of the present invention uses the spring of adjusting the spring that gets loose to tighten the mechanism design of power, therefore may command is regained the speed and the distance of load, and the problem of reduction impact force, thereby user's the Security and the working life of linear actuators have been increased.
For further understanding feature of the present invention and technology contents, reference is following about embodiments of the present invention and graphic in detail, yet appended graphic only for reference and explanation is used.
Description of drawings
Fig. 1 is the linear actuators three-dimensional exploded view of the quick release mechanism of tool of the present invention
Fig. 2 is the generalized section of Fig. 1
Fig. 3 is the part detail major component conventional letter of Fig. 2
10 power plant, 20 transmission devices
21 screw axiss, 22 nuts
Pipe 30 fast releasers in 23
31 axle sleeve 32 ball bearings that get loose
33 spring 331 invaginations that get loose are colluded
332 outer foldings collude 34 bearing bushs
35 hold-doun nuts 36 handle that gets loose
361 short slots, 40 load connector
41 clasps, 42 attachment holes
Embodiment
Fig. 1 is the linear actuators three-dimensional exploded view of the quick release mechanism of tool of the present invention; Wherein power plant 10 are the power source of output rotary torsion, will be passed to transmission device 20 from the torsion that motor comes, and transmission device 20 comprises screw axis 21, nut 22 and interior pipe 23, and a fast releaser 30 is arranged between transmission device 20 and the load connector 40; This screw axis 21 links power plant 10 with transferring power, and being sleeved on screw axis 21, nut 22 converts rotary torsion to linear motion, and interior pipe 23 is fixed on the nut 22 moving together with nut 22, interior pipe 23 rear ends are fixed on the front end inner edge of the axle sleeve 31 that gets loose, getting loose is sheathed with the spring 33 that gets loose on axle sleeve 31 external diameters, and the outer cover again unification of the spring 33 that the gets loose handle 36 that gets loose; The axle sleeve 31 rear end inner edges that get loose then are drive fit with the external diameter of a ball bearing 32, and the internal diameter of ball bearing 32 and load connector 40 front end drive fits, and fix it by bearing bush 34 and hold-doun nut 35 axial sockets; Utilize clasp 41 handle 36 that will get loose to be fastened on the load connector 40 at last.
Fig. 2 is the generalized section of Fig. 1; Wherein power plant 10 drive screw axiss 21 rotate, and nut 22 will rotatablely move and convert linear motion to, and the linearity that makes the interior pipe 23 on the nut 22 release or regain moves.Between interior pipe 23 and load connector 40, be provided with fast releaser 30, pipe 23 and load connector 40 in its coaxial joint, this fast releaser 30 mainly is made up of rotary part, non-rotating and the spring 33 that gets loose, constituted and rotary part is a external diameter by get loose axle sleeve 31 and ball bearing 32, constituted but not rotary part is internal diameter, bearing bush 34 and a hold-doun nut 35 by ball bearing 32.The axle sleeve 31 that gets loose of rotary part is joined with interior pipe 23, the internal diameter of the ball bearing 32 of non-rotating portion, bearing bush 34 and hold-doun nut 35 axially are socketed on load connector 40 and fix it, and by the spring that gets loose in conjunction with rotary part and non-rotating portion, make power be passed to load connector 40 and attachment hole 42 on the load connector 40 connects loads (not drawing) from interior pipe 23, can drive load and do linear moving, also can get loose rotary part and non-rotating portion regain load.
Fig. 3 is the part detail of Fig. 2; Wherein spring 33 1 ends that get loose of fast releaser 30 have invagination and collude 331 to be fixed on the load connector 40, and the other end of the spring 33 that gets loose has outer folding and colludes 332 and be sticked in and can pull open the spring 33 that gets loose in the short slot 361 of the handle 36 that gets loose, and tightens power with the adjustment spring that spring 33 is placed on the axle sleeve 31 that gets loose that gets loose.Colluding 331 because of the invagination of the spring 33 that gets loose is to be fixed on the load connector 40, torsion can make the spring 33 that gets loose inwardly receive when the outer folding of pulling the spring 33 that gets loose when nothing colluded 332, it is quite big that the spring on the axle sleeve 31 of causing getting loose is tightened power, cause the external diameter of get loose axle sleeve 31 and ball bearing 32 of rotary part and non-rotating portion to combine and be non-rotatable state, drive load with transferring power and move; Yet collude 332 as if the outer folding of pulling the spring 33 that gets loose and make spring 33 outer the opening that get loose, then when the spring on the axle sleeve 31 that gets loose tighten power less than rotary part when non-rotating combines required power, the external diameter of the get loose axle sleeve 31 and the ball bearing 32 of rotary part promptly breaks away from the restriction of non-rotating portion and is rotatable state, this moment, the weight because of load produced a strength, this power makes nut 22 (Fig. 2), interior pipe 23, the external diameter of get loose axle sleeve 31 and ball bearing 32 rotates and regains load, reaches the purpose that gets loose fast.
Claims (6)
1. the linear actuators of a tool fast releaser, it mainly comprises:
One power plant, the power source of output rotary torsion;
One transmission device, comprise screw axis, nut and in pipe, this screw axis links above-mentioned power plant with transferring power, and nut is sleeved on above-mentioned screw axis and converts rotary torsion to linear motion, and interior pipe be fixed on the nut with nut with moving;
One load connector connects load and drives load and makes linearly moving structure;
One fast releaser, be arranged between the interior pipe and load connector of above-mentioned transmission device, coaxial joint should interiorly be managed and load connector, this fast releaser mainly is made up of rotary part, non-rotating and the spring that gets loose, rotary part and above-mentioned interior pipe are joined, non-rotating joins with above-mentioned load connector, and by the spring that gets loose in conjunction with rotary part and non-rotating portion, make power be passed to load connector and drive load and do linear moving from interior pipe, also can get loose rotary part and non-rotating portion make the load withdrawal.
2. the linear actuators of tool fast releaser according to claim 1, it is characterized in that: spring one end that gets loose of fast releaser has invagination and colludes to be fixed on the load connector, and the other end of the spring that gets loose has outer folding and colludes and can pull open the spring that gets loose, tighten power to adjust in conjunction with the spring of rotary part and non-rotating portion, when spring tighten power greater than rotary part when non-rotating combines required power, but cause rotary part and non-rotating portion to combine and transferring power drives load; When spring tighten power less than rotary part when non-rotating combines required power, rotary part promptly breaks away from the restriction of non-rotating portion and rotates load is regained.
3. the linear actuators of tool fast releaser according to claim 1 and 2, it is characterized in that: fast releaser wherein pulls open angle by what the outer folding of adjusting the above-mentioned spring that gets loose colluded, and control spring is tightened the whole speed of regaining load of power adjustable size.
4. the linear actuators of tool fast releaser according to claim 1 and 2 is characterized in that: fast releaser wherein colludes by the outer folding that pulls open and bleed off the above-mentioned spring that gets loose, and can adjust the distance of regaining load.
5. the linear actuators of tool fast releaser according to claim 1 and 2, it is characterized in that: wherein the rotary part of fast releaser is that external diameter by get loose axle sleeve and ball bearing is constituted, and is constituted but not rotary part is internal diameter, bearing bush and a hold-doun nut by ball bearing.
6. the linear actuators of tool fast releaser according to claim 2, it is characterized in that: wherein be provided with the handle that gets loose, and this handle that gets loose has a short slot, the outer folding of the above-mentioned spring that gets loose is colluded be sticked in this short slot, can conveniently adjust the angle that pulls open that the outer folding of the spring that gets loose colludes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510066475 CN1854562A (en) | 2005-04-26 | 2005-04-26 | Linear actuator with fast releaser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510066475 CN1854562A (en) | 2005-04-26 | 2005-04-26 | Linear actuator with fast releaser |
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| Publication Number | Publication Date |
|---|---|
| CN1854562A true CN1854562A (en) | 2006-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510066475 Pending CN1854562A (en) | 2005-04-26 | 2005-04-26 | Linear actuator with fast releaser |
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|---|---|
| CN (1) | CN1854562A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195248A (en) * | 2011-04-27 | 2011-09-21 | 郝鹏飞 | Charging cable detaching device |
| CN102195250A (en) * | 2011-04-27 | 2011-09-21 | 郝鹏飞 | Using method of charging cable detaching device |
| CN102195249A (en) * | 2011-04-27 | 2011-09-21 | 郝鹏飞 | Manufacture of charging cable detaching device |
| CN102667247A (en) * | 2009-11-13 | 2012-09-12 | 利纳克有限公司 | Linear actuator |
| CN104832615A (en) * | 2015-04-14 | 2015-08-12 | 常州市凯迪电器有限公司 | Linear actuator and rapid releasing device thereof |
-
2005
- 2005-04-26 CN CN 200510066475 patent/CN1854562A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102667247A (en) * | 2009-11-13 | 2012-09-12 | 利纳克有限公司 | Linear actuator |
| CN102195248A (en) * | 2011-04-27 | 2011-09-21 | 郝鹏飞 | Charging cable detaching device |
| CN102195250A (en) * | 2011-04-27 | 2011-09-21 | 郝鹏飞 | Using method of charging cable detaching device |
| CN102195249A (en) * | 2011-04-27 | 2011-09-21 | 郝鹏飞 | Manufacture of charging cable detaching device |
| CN102195248B (en) * | 2011-04-27 | 2013-03-06 | 中国人民解放军63729部队 | Charging cable detaching device |
| CN102195249B (en) * | 2011-04-27 | 2013-03-06 | 中国人民解放军63729部队 | Manufacture of charging cable detaching device |
| CN102195250B (en) * | 2011-04-27 | 2013-03-20 | 中国人民解放军63729部队 | Using method of charging cable detaching device |
| CN104832615A (en) * | 2015-04-14 | 2015-08-12 | 常州市凯迪电器有限公司 | Linear actuator and rapid releasing device thereof |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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