CN101922540B - Linear motion actuating mechanism and device utilizing same - Google Patents
Linear motion actuating mechanism and device utilizing same Download PDFInfo
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- CN101922540B CN101922540B CN2010102548648A CN201010254864A CN101922540B CN 101922540 B CN101922540 B CN 101922540B CN 2010102548648 A CN2010102548648 A CN 2010102548648A CN 201010254864 A CN201010254864 A CN 201010254864A CN 101922540 B CN101922540 B CN 101922540B
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- straight line
- line motion
- motion member
- linear actuator
- dust
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Abstract
The invention relates to a linear motion actuating mechanism and a device utilizing the same. The linear motion actuating mechanism comprises a transmission component, a guide component and a support component, wherein the transmission component comprises a motor, a coupling, a rotation member, a power conversion member and a linear motion member; the guide component comprises a body adaptive to the linear motion member; the motor is connected with the first working end of the rotation member through the coupling; the first working end and the second working end of the rotation member are supported by the support member; and the power conversion member is arranged on the rotation member, is connected with the linear motion member and drives the linear motion member to make linear motion in the adaptive cavity of the body. The technical scheme of the invention has the advantages of simple and compact structure, high transmission accuracy, low manufacturing cost and high practicability.
Description
[technical field]
The present invention relates to a kind of power-transmitting unit, be specifically related to a kind of will rotatablely moving and be converted to straight-line linear actuator and use the device of this mechanism.
[background technique]
Straight-line motion mechanism of the prior art is realized transmission by cooperating of multi-stage gear and leading screw and will rotatablely move by parts such as tooth bar, Timing Belt, chains being converted to straight line motion.Complex structure, and all can better not combine together between each parts, the non-constant of integrity, fault is many, is difficult to safeguard.
[summary of the invention]
The complex structure that exists in order to solve prior art cathetus motion, poor this technical problem of integrity the invention provides a kind of linear actuator.
The present invention also provides a kind of device that uses this linear actuator.
The present invention solves the technological scheme that the prior art problem adopts: provide a kind of linear actuator to comprise transmitting assemblies, guidance set and supporting component, described transmitting assemblies comprises motor, coupling, rotary member, power-converting member, straight line motion member (105), described guidance set comprises the body suitable with described straight line motion member, and described supporting component comprises front cover, rear end cover, clutch shaft bearing, the second bearing and locking member; Wherein,
Described motor is connected with the first working end of described rotary member by described coupling, and the first working end of described rotary member and the second working end are supported by described supporting component;
Described power-converting member is installed on the described rotary member, and described power-converting member is connected with described straight line motion member and orders about described straight line motion member and do straight line motion in the adaptive cavity of described body;
Described clutch shaft bearing is sleeved on the first working end of described rotary member, and described front cover mounts cover at described body front end and by described locking member locking;
Described the second bearing housing is contained in the second working end of described rotary member, and described rear end cover mounts cover in described body rear end and locks by described locking member;
Described straight line motion member comprises four working ends, each described working end is vertically mutually arranged in a crossed manner, the rhombus layout, laterally be arranged in parallel, and each described working end is provided with a slide block, described slide block is arranged in the draw-in groove of described straight line motion member, be provided with four slideways that the working end is suitable with described straight line motion member in the cavity of described body, each described slideway is vertically mutually arranged in a crossed manner, and the rhombus layout laterally is arranged in parallel.
According to the preferred technical solution of the present invention: described slide block is engineering plastics.
According to the preferred technical solution of the present invention: described straight line motion member also comprises a clutch end, and described clutch end protrudes from the chamber outer surface of described body.
According to the preferred technical solution of the present invention: be provided with stiffener on the described slideway, described stiffener is bar steel plate, is arranged in the draw-in groove of described slideway.
According to the preferred technical solution of the present invention: be provided with buffer component in the cavity of described body, described buffer component is cushion pad, is arranged on the two ends in the described body cavity.
According to the preferred technical solution of the present invention: described linear actuator also comprises dust preventing component, and described dust preventing component is arranged on the described body, comprises dust-proof belt pressing plate and dust-proof belt; Wherein, described dust-proof belt is located at the top that described clutch end protrudes from the chamber outer surface of described body, and described body two ends are fixed in described dust-proof belt pressing plate in described dust-proof belt two ends, and described straight line motion member is provided with through hole, and described dust-proof belt is through on the described through hole.
In order to solve the technical problem that exists in the prior art, the present invention also provides a kind of device that uses this linear actuator, be provided with linear actuator and work package on the described device, the clutch end that arranges on described work package and the described straight line motion member is connected.
Technical solution of the present invention is simple in structure, compact, and transmission accuracy is high, and has dust reduction capability, and low cost of manufacture has higher practicability.
[description of drawings]
Fig. 1. linear actuator structural representation one of the present invention;
Fig. 2. linear actuator structural representation two of the present invention;
Fig. 3. linear actuator cross-sectional structure schematic representation of the present invention;
Fig. 4. straight line motion element structure schematic representation of the present invention;
Fig. 5. linear actuator overall structure schematic representation of the present invention;
Fig. 6. use device embodiment one structural representation of described linear actuator;
Fig. 7. use device embodiment two structural representations of described linear actuator.
[embodiment]
Below in conjunction with accompanying drawing technical solution of the present invention is elaborated.
See also Figure of description Fig. 1 to Fig. 5.Among the figure: linear actuator 100, motor 101, coupling 102, rotary member 103, power-converting member 104, straight line motion member 105, body 106, front cover 107, rear end cover 108, clutch shaft bearing 109, the second bearing 110, locking member 111, working end 112, slide block 113, draw-in groove 114, clutch end 115, through hole 116, stiffener 117, buffer component 118, dust-proof belt pressing plate 119, screw 120, dust-proof belt 121, device 200, work package 201.
As shown in FIG.: the invention provides a kind of linear actuator, described linear actuator 100 comprises: transmitting assemblies, guidance set and supporting component; Described transmitting assemblies comprises: motor 101, coupling 102, rotary member 103, power-converting member 104, straight line motion member 105; Described guidance set comprises: with the suitable body 106 of described straight line motion member 105; Described supporting component comprises: front cover 107, rear end cover 108, clutch shaft bearing 109, the second bearing 110 and locking member 111; Wherein, described motor 101 is connected with the first working end of described rotary member 103 by described coupling 102, described clutch shaft bearing 109 is sleeved on the first working end of described rotary member 103, and described front cover 107 mounts cover at described body 106 front ends and by described locking member 111 lockings; Described the second bearing 110 is sleeved on the second working end of described rotary member 103, described rear end cover 108 mounts cover in described body 106 rear ends and locks by described locking member 111, described power-converting member 104 is installed on the described rotary member 103, and described power-converting member 104 is connected with described straight line motion member 105 and orders about described straight line motion member 105 and do straight line motion in the adaptive cavity of described body 106.
In the preferred technical solution of the present invention: described power-converting member 104 is threaded with described rotary member 103, and described power-converting member 104 is connected by screw 120 with described straight line motion member 105.
In the preferred technical solution of the present invention: described straight line motion member 105 comprises four working ends 112, each described working end 112 is vertically mutually arranged in a crossed manner, the rhombus layout, laterally be arranged in parallel, the setting of four working end 112 rhombus layouts of described straight line motion member 105, can make pressure and the mutual balance of torsion of its each side of bearing, make it stressed more even.Be provided with a slide block 113 in each described working end 112, described slide block 113 is arranged in the draw-in groove 114 of described straight line motion member 105, described slide block 113 is the wear-resisting high-strength degree engineering plastics of selflubricating, be provided with a clutch end 115 at described straight line motion member 105, described clutch end 115 protrudes from the chamber outer surface of described body 106, be provided with a strip through-hole 116 in the bottom of described clutch end 115, described strip through-hole 116 is used for installing dust-proof belt 121, described strip through-hole 116 is arranged on the described straight line motion member 105, save installing space, more be conducive to install dust-proof belt 121.
Be provided with the slideway suitable with four working ends 112 of described straight line motion member 105 in the cavity of body described in the preferred technical solution of the present invention 106, each described slideway is vertically mutually arranged in a crossed manner, and the rhombus layout laterally is arranged in parallel.Be provided with stiffener 117 at described slideway, described stiffener 117 is arranged in the draw-in groove 114 of described slideway.Described stiffener 117 is bar steel plate, and described bar steel plate can be used for strengthening the contact strength between mechanism's slip surface, and the friction factor of the wear-resisting high-strength degree engineering plastics slide block 113 of reduction and described selflubricating.
In the preferred technical solution of the present invention, be provided with buffer component 118 in the cavity of described body 106, described buffer component 118 is arranged on the two ends in described body 106 cavitys, and described buffer component 118 is cushion pad.
In the preferred technical solution of the present invention, described clutch shaft bearing 109 comprises two angular contact ball bearings, and each described angular contact ball bearing series connection arranges; Described rotary member 103 is screw mandrel; Described power-converting member 104 is nut; Described the second bearing 110 is thrust ball bearing; Described locking member 111 is locking nut.
In the preferred technical solution of the present invention, described linear actuator 100 also comprises dust preventing component, described dust preventing component is arranged on the described body 106, concrete described dust-proof belt 121 is located at the top that clutch end 115 protrudes from the chamber outer surface of body 106, and body 106 two ends are fixed in dust-proof belt pressing plate 119 in dust-proof belt 121 two ends, described straight line motion member 105 is provided with through hole 116, and dust-proof belt 121 passes described through hole 116.
Below just the working procedure of linear actuator 100 of the present invention be elaborated: described motor 101 provides power to order about the screw mandrel rotation by described coupling 102, drive the rotation of spinning of coupled power-converting member 104 in the time of the rotation of described screw mandrel, described power-converting member 104 passes on power to coupled straight line motion member 105, because described straight line motion member 105 be arranged on suitable body 106 cavitys of its outer shape in, be subjected to the restriction of described body 106 cavitys, described straight line motion member 105 can be done straight line motion in the adaptive cavity of described body 106.
The present invention also provides a kind of device that uses this linear actuator.The present invention uses the device embodiment schematic representation of this linear actuator 100 can consult Figure of description Fig. 6 and Fig. 7.
Be provided with linear actuator 100 and work package 201 on the described device 200, wherein, described linear actuator 100 comprises: transmitting assemblies, guidance set and supporting component; Described transmitting assemblies comprises: motor 101, coupling 102, rotary member 103, power-converting member 104, straight line motion member 105; Described guidance set comprises: with the suitable body 106 of described straight line motion member 105; Wherein, described motor 101 is connected with the first working end of described rotary member 103 by described coupling 102, and the first working end of described rotary member 103 and the second working end are supported by described supporting component; Described power-converting member 104 is installed on the described rotary member 103, described power-converting member 104 is connected with described straight line motion member 105 and orders about described straight line motion member 105 and do straight line motion in the adaptive cavity of described body 106, and the clutch end 115 that arranges on described work package 201 and the described straight line motion member 105 is connected.
Shown in Figure 6, the clutch end 115 that arranges on described work package 201 and the described straight line motion member 105 is connected, described straight line motion member 105 is done in the adaptive cavity of described body 106 and straight-linely will be driven simultaneously described work package 201 and move up and down, and realizes the open and close of window.
In Fig. 7, illustrate too, the clutch end 115 that arranges on described work package 201 and the described straight line motion member 105 is connected, described straight line motion member 105 is done in the adaptive cavity of described body 106 and straight-linely will be driven simultaneously described work package 201 and move up and down, and realizes the open and close of window.
The present invention is by with motor 101, coupling 102, bearing, rotary member 103, power-converting member 104, the straight line motion member 105 of routine and the mode that is incorporated into described straight line motion member 105 suitable bodies 106, make the structure of this type of linear actuator 100 very compact, have four working ends 112 by introducing, and the assume diamond in shape straight line motion member 105 of layout of described four working ends 112 can make pressure and the mutual balance of torsion of the each side that described straight line motion member 105 bears, and makes it stressed more even.By the slideway at described body 106 stiffener 117 is set and strengthens contact strength between mechanism's slip surface, and the friction factor of the wear-resisting high-strength degree engineering plastics slide block 113 of reduction and described selflubricating, stability and the precision of transmission are provided, with complete standardization of parts such as front and rear cover 108, locking nut, coupling 102, make each component all can realize mass production.
Above content is the further description of the present invention being done in conjunction with concrete optimal technical scheme, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (5)
1. linear actuator, comprise transmitting assemblies, guidance set and supporting component, described transmitting assemblies comprises motor (101), coupling (102), rotary member (103), power-converting member (104), straight line motion member (105), described guidance set comprises the body (106) suitable with described straight line motion member (105), and described supporting component comprises front cover (107), rear end cover (108), clutch shaft bearing (109), the second bearing (110) and locking member (111); Wherein,
Described motor (101) is connected with the first working end of described rotary member (103) by described coupling (102), and the first working end of described rotary member (103) and the second working end are supported by described supporting component;
Described power-converting member (104) is installed on the described rotary member (103), and described power-converting member (104) is connected with described straight line motion member (105) and orders about described straight line motion member (105) and do straight line motion in the adaptive cavity of described body (106);
Described clutch shaft bearing (109) is sleeved on the first working end of described rotary member (103), and described front cover (107) mounts cover at described body (106) front end and by described locking member (111) locking;
Described the second bearing (110) is sleeved on the second working end of described rotary member (103), and described rear end cover (108) mounts cover in described body (106) rear end and locks by described locking member (111);
It is characterized in that: described straight line motion member (105) comprises four working ends (112), each described working end (112) of described straight line motion member (105) is vertically mutually arranged in a crossed manner, the rhombus layout, laterally be arranged in parallel, and each described working end (112) of described straight line motion member (105) is provided with a slide block (113), described slide block (113) is arranged in the draw-in groove (114) of described straight line motion member (105), be provided with the slideway suitable with four working ends (112) of described straight line motion member (105) in the cavity of described body (106), each described slideway is vertically mutually arranged in a crossed manner, the rhombus layout laterally is arranged in parallel.
2. described linear actuator according to claim 1, it is characterized in that: be provided with stiffener (117) on the described slideway, described stiffener (117) is bar steel plate, is arranged in the draw-in groove of described slideway.
3. described linear actuator according to claim 2, it is characterized in that: be provided with buffer component (118) in the cavity of described body (106), described buffer component (118) is cushion pad, is arranged on the two ends in described body (106) cavity.
4. described linear actuator according to claim 1, it is characterized in that: described linear actuator (100) also comprises dust preventing component, described dust preventing component is arranged on the described body (106), comprises dust-proof belt pressing plate (119) and dust-proof belt (121);
Wherein, described dust-proof belt (121) is located at the top that described clutch end (115) protrudes from the chamber outer surface of described body (106), and described body (106) two ends are fixed in described dust-proof belt pressing plate (119) in described dust-proof belt (121) two ends, described straight line motion member (105) is provided with through hole (116), and described dust-proof belt (121) is through on the described through hole (116).
5. one kind is used the as claimed in claim 1 device of linear actuator, it is characterized in that: be provided with linear actuator (100) and work package (201) on the described device (200), described work package (201) is connected with the upper clutch end (115) that arranges of described straight line motion member (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102548648A CN101922540B (en) | 2010-08-16 | 2010-08-16 | Linear motion actuating mechanism and device utilizing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102548648A CN101922540B (en) | 2010-08-16 | 2010-08-16 | Linear motion actuating mechanism and device utilizing same |
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| Publication Number | Publication Date |
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| CN101922540A CN101922540A (en) | 2010-12-22 |
| CN101922540B true CN101922540B (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102548648A Active CN101922540B (en) | 2010-08-16 | 2010-08-16 | Linear motion actuating mechanism and device utilizing same |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011122316A1 (en) | 2011-12-23 | 2013-06-27 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt | Spindle drive for an adjusting element of a motor vehicle |
| DE102012018826A1 (en) * | 2012-09-25 | 2014-03-27 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt | Spindle drive for an adjusting element of a motor vehicle |
| CN103982613B (en) * | 2014-05-12 | 2016-04-20 | 武汉电力设备厂 | A kind of for the linear motion device under conductive environment |
| CN105299165B (en) * | 2015-10-29 | 2018-06-01 | 青岛瑞德神运机电设备有限公司 | Screw mechanism with dust seal |
| CN106438897A (en) * | 2016-11-07 | 2017-02-22 | 东莞市汉翔机械设备有限公司 | Fully-sealed dustproof screw-slide table structure |
| CN109855849A (en) * | 2018-12-17 | 2019-06-07 | 中国科学院长春光学精密机械与物理研究所 | Rotary load transfer is the device and method of reciprocating load |
| CN111197643A (en) * | 2020-02-17 | 2020-05-26 | 公安部第一研究所 | High-precision linear motion mechanism |
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| US3670583A (en) * | 1970-10-19 | 1972-06-20 | Overton Gear And Tool Corp | Long span screw and nut drives |
| CN2120736U (en) * | 1992-04-03 | 1992-11-04 | 青岛岙山汽车保修机械厂 | Double-stud automobile hoisting machine |
| CN1186724A (en) * | 1996-12-24 | 1998-07-08 | 大宇重工业株式会社 | Lathe carriage unit |
| CN1120947C (en) * | 1998-09-09 | 2003-09-10 | Smc株式会社 | Motor-driven actuator |
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2010
- 2010-08-16 CN CN2010102548648A patent/CN101922540B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3670583A (en) * | 1970-10-19 | 1972-06-20 | Overton Gear And Tool Corp | Long span screw and nut drives |
| CN2120736U (en) * | 1992-04-03 | 1992-11-04 | 青岛岙山汽车保修机械厂 | Double-stud automobile hoisting machine |
| CN1186724A (en) * | 1996-12-24 | 1998-07-08 | 大宇重工业株式会社 | Lathe carriage unit |
| CN1120947C (en) * | 1998-09-09 | 2003-09-10 | Smc株式会社 | Motor-driven actuator |
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| CN101922540A (en) | 2010-12-22 |
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Application publication date: 20101222 Assignee: Shenzhen Weiyuan Precision Technology Ltd. Assignor: Li Jingyu Contract record no.: 2015440020219 Denomination of invention: Linear motion actuating mechanism and device utilizing same Granted publication date: 20130424 License type: Exclusive License Record date: 20150612 |
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Effective date of registration: 20191101 Address after: 518000 Guangdong province Shenzhen Guangming New District Gongming street yulv Village Sixth Industrial Zone 20 Patentee after: Shenzhen Weiyuan Precision Technology Ltd. Address before: 518108 Weiyuan Industrial Zone, Shiyan Town, Baoan District, Shenzhen, Guangdong Patentee before: Li Jingyu |
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