CN202812047U - Linear driver - Google Patents
Linear driver Download PDFInfo
- Publication number
- CN202812047U CN202812047U CN 201220542921 CN201220542921U CN202812047U CN 202812047 U CN202812047 U CN 202812047U CN 201220542921 CN201220542921 CN 201220542921 CN 201220542921 U CN201220542921 U CN 201220542921U CN 202812047 U CN202812047 U CN 202812047U
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- CN
- China
- Prior art keywords
- worm
- screw mandrel
- screw
- drive motor
- worm gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a linear driver which comprises a connecting support, a sliding sleeve and a drive motor. The sliding sleeve is arranged on the connecting support. The drive motor drives the sliding sleeve to do reciprocating motion on the connecting support. A lead screw which is connected with the sliding sleeve in a matched mode is arranged on the connecting support. A worm and gear drives the lead screw to rotate in a matched mode, and then the drive motor drives the sliding sleeve to do the reciprocating motion on the connecting support. The connecting support is a long groove body of an integral structure. The lead screw is located in the long groove body and can rotate in the long groove body. The axial direction of the lead screw and the longitudinal direction of the long groove body are uniform. The sliding sleeve is arranged outside the long groove body in a sleeved mode, is inserted into the long groove body through the opening portion of the long groove body, and is connected with the lead screw in a matched mode through threads. Due to adoption of the integral connecting support, the linear driver is more stable in the support, free of shaking phenomena, accurate in locating, easy to produce, capable of effectively improving product controllable performance, convenient to install and maintain, few in touch, low in noise, novel and light and handy in structure and appearance, light in weight, low in loss, and good in energy-saving and emission-reducing effect.
Description
Technical field
The utility model relates to a kind of Linear actuator.
Background technique
During electric furniture is produced, Linear actuator is mainly used in driving furniture item and stretches and reset, normal and fixing frame supports the use, be fixed on the relevant position of the furniture item that needs control, according to mechanical drive principle, by remote control or X-by-Wire, can supporting various control circuit, under the drive of motor, drive the worm gear rotation by worm screw, rotarily drive the screw mandrel rotation and then drive the bell of living by worm gear and do to launch and returning movement.Connection bracket 6 on existing Linear actuator is generally two-part, and as shown in Figure 1, controllability is relatively poor, easily touches noise large, and product is heavier, and installation and maintenance are also inconvenient; And existing worm gear and worm screw part 7 mostly be stepped tooth, and as shown in Figure 2, between gear, bad area of contact is large and then cause that noise is large, loss is large, is unfavorable for energy-saving and emission-reduction.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of Linear actuator, adopt the integrated type connection bracket, support is more stable, does not have shaking phenomenon, and the location is accurate, more easily produce, can effectively increase the controllability of product, convenient for installation and maintenance, to touch few noise low, the structure outward appearance is novel light and handy, lightweight, loss is low, effects of energy saving and emission reduction good.
for solving above-mentioned existing technical problem, the utility model adopts following scheme: Linear actuator, comprise connection bracket, be located at the bell alive on connection bracket, drive the bell reciprocating drive motor on connection bracket of living, described connection bracket is provided with the screw mandrel that is connected with the bell of living, described drive motor coordinates the driving screw mandrel to rotate and then drive the bell to-and-fro motion on connection bracket of living by worm and gear, the elongated slot body that described connection bracket is structure as a whole, described screw mandrel is positioned in the elongated slot body and can rotates in the elongated slot body, the vertical consistency of the axial and elongated slot body of described screw mandrel, it is external and stretch in the elongated slot body from the oral area of elongated slot body and be connected by screw-thread fit with screw mandrel that described bell alive is set in elongated slot.
As preferably, described drive motor is provided with worm screw, is arranged with the worm gear that coordinates with worm screw on described screw mandrel, and described drive motor rotates and then drives screw mandrel and rotates by the worm drive worm gear.
Further, the engaging tooth on described worm gear, worm screw is the circular arc type tooth.Thereby reduced bad area of contact reduction product noise between gear.
Further, the tooth-shape angle of described worm gear, worm screw is 5 °.Rational in infrastructure, noise reduction effect is remarkable.
As preferably, described drive motor is provided with worm screw, is provided with the worm gear that all coordinates with worm screw and screw mandrel between described worm screw and screw mandrel, and described drive motor rotates and then drives screw mandrel and rotates by the worm drive worm gear.
Further, the engaging tooth on described worm gear, worm screw and screw mandrel is the circular arc type tooth.
Further, the tooth-shape angle of described worm gear, worm screw and screw mandrel is 5 °.
As preferably, described drive motor is provided with the worm gear that coordinates with screw mandrel, and described drive motor rotates and then drives screw mandrel and rotates by worm gear.
Further, the engaging tooth on described worm gear, screw mandrel is the circular arc type tooth.
Further, the tooth-shape angle of described worm gear, screw mandrel is 5 °.
As preferably, also comprise fixing frame, described drive motor, connection bracket all are located on fixing frame.Fixing more firm, structure is more reasonable.
Beneficial effect:
The Linear actuator that the utility model adopts technique scheme to provide, adopt the integrated type connection bracket, support is more stable, does not have shaking phenomenon, and the location is accurate, more easily produce, can effectively increase the controllability of product, convenient for installation and maintenance, to touch few noise low, the structure outward appearance is novel light and handy, lightweight, loss is low, effects of energy saving and emission reduction good.
Description of drawings
Fig. 1 is the structural representation of the connection bracket of existing Linear actuator;
Fig. 2 is the stepped tooth structural representation of the worm and gear spare of existing Linear actuator;
Fig. 3 is the structural representation of connection bracket of the present utility model;
Fig. 4 is the circular arc type toothing schematic diagram of worm screw in the utility model embodiment one;
Fig. 5 is worm's eye view of the present utility model;
Fig. 6 is plan view of the present utility model;
Fig. 7 is right elevation of the present utility model.
Embodiment
Embodiment one:
as shown in Fig. 3 to 7, Linear actuator, comprise connection bracket 3, be located at the bell alive 4 on connection bracket 3, drive the bell 4 reciprocating drive motor 2 on connection bracket 3 of living, described connection bracket 3 is provided with the screw mandrel 5 that is connected with the bell 4 of living, described drive motor 2 coordinates driving screw mandrel 5 to rotate and then drive bell 4 to-and-fro motion on connection bracket 3 of living by worm and gear, the elongated slot body that described connection bracket 3 is structure as a whole, described screw mandrel 5 is positioned in the elongated slot body and can rotates in the elongated slot body, the vertical consistency of the axial and elongated slot body of described screw mandrel 5, it is external and stretch in the elongated slot body from the oral area of elongated slot body and be connected by screw-thread fit with screw mandrel 5 that described bell alive 4 is set in elongated slot.Described drive motor 2 is provided with worm screw 8, is arranged with the worm gear that coordinates with worm screw 8 on described screw mandrel 5, and described drive motor 2 drives worm gear by worm screw 8 and rotates and then drive screw mandrel 5 rotations.Engaging tooth on described worm gear, worm screw 8 is the circular arc type tooth.The tooth-shape angle of described worm gear, worm screw 8 is 5 °.Also comprise fixing frame 1, described drive motor 2, connection bracket 3 all are located on fixing frame 1.
The present embodiment has improved the worm and gear parameter, and the tooth-shape angle of worm screw changes 5 ° into, and former stepped tooth is changed into the circular arc type tooth, thereby has reduced bad area of contact reduction product noise between gear, than the low 4-8dB of like product noise; In the present embodiment, tooth-shape angle refers to the Normal pressure angle of gear compound graduation circle and involute intersection point place's point; The present embodiment has changed connection bracket 3, former two-part support is changed into the elongated slot body that is integrative-structure, has increased greatly the controllability of product, and convenient for installation and maintenance, minimizing is touched, noise is little; In the present embodiment, the bell 4 of living stretches into part in the elongated slot body and is set on screw mandrel 5 and with screw mandrel 5 and is connected by screw-thread fit, can certainly be other suitable structures; The present embodiment appearance design is novel, and structure is light and handy, and is more lightweight than like product, and loss is little, effects of energy saving and emission reduction good.
Embodiment two:
Be with embodiment one difference: described drive motor 2 is provided with worm screw, is provided with the worm gear that coordinates with worm screw and screw mandrel 5 between described worm screw and screw mandrel 5, and described drive motor 2 rotates and then drives screw mandrel 5 and rotates by the worm drive worm gear.Engaging tooth on described worm gear, worm screw and screw mandrel 5 is the circular arc type tooth.The tooth-shape angle of described worm gear, worm screw and screw mandrel 5 is 5 °.
Embodiment three:
Be with embodiment one difference: described drive motor 2 is provided with the worm gear that coordinates with screw mandrel 5, and described drive motor 2 rotates and then drives screw mandrel 5 and rotates by worm gear.Engaging tooth on described worm gear, screw mandrel 5 is the circular arc type tooth.The tooth-shape angle of described worm gear, screw mandrel 5 is 5 °.
The utility model generally is connected with the controller of controlling drive motor 2 work, during use, fixing frame 1 is fixed on the furniture item relevant position that needs control, switch on power, press teleswitch or line traffic control switch on controller, press button, control drive motor 2 drive bells alive move forward and backward and get final product.Application notice: the first, PLSCONFM supports the use to relevant controller; The second, check whether all connecting lines connect, whether connector assembly be seated; The 3rd, necessary deenergization when dialling slotting connecting line and plug; The 4th, this equipment of trying not to use in a humid environment, Applicable temperature is advisable with 0～40 ℃.
Claims (10)
1. Linear actuator, comprise connection bracket (3), be located at the bell alive (4) on connection bracket (3), drive the bell (4) of living at the upper reciprocating drive motor (2) of connection bracket (3), described connection bracket (3) is provided with the screw mandrel (5) that is connected with the bell (4) of living, described drive motor (2) coordinates driving screw mandrel (5) to rotate by worm and gear and then drives the bell (4) of living in the upper to-and-fro motion of connection bracket (3), it is characterized in that: the elongated slot body that described connection bracket (3) is structure as a whole, described screw mandrel (5) is positioned in the elongated slot body and can rotates in the elongated slot body, the vertical consistency of the axial and elongated slot body of described screw mandrel (5), it is external and stretch in the elongated slot body from the oral area of elongated slot body and be connected by screw-thread fit with screw mandrel (5) that described bell alive (4) is set in elongated slot.
2. Linear actuator according to claim 1, it is characterized in that: described drive motor (2) is provided with worm screw (8), described screw mandrel is arranged with the worm gear that coordinates with worm screw on (5), and described drive motor (2) rotates and then drives screw mandrel (5) and rotates by the worm drive worm gear.
3. Linear actuator according to claim 2, it is characterized in that: the engaging tooth on described worm gear, worm screw (8) is the circular arc type tooth.
4. Linear actuator according to claim 2, it is characterized in that: the tooth-shape angle of described worm gear, worm screw (8) is 5 °.
5. Linear actuator according to claim 1, it is characterized in that: described drive motor (2) is provided with worm screw, be provided with the worm gear that coordinates with worm screw and screw mandrel (5) between described worm screw and screw mandrel (5), described drive motor (2) rotates and then drives screw mandrel (5) and rotates by the worm drive worm gear.
6. Linear actuator according to claim 5, it is characterized in that: the engaging tooth on described worm gear, worm screw and screw mandrel (5) is the circular arc type tooth.
7. Linear actuator according to claim 5, it is characterized in that: the tooth-shape angle of described worm gear, worm screw and screw mandrel (5) is 5 °.
8. Linear actuator according to claim 1, it is characterized in that: described drive motor (2) is provided with the worm gear that coordinates with screw mandrel (5), and described drive motor (2) rotates by worm gear rotating drive screw mandrel (5).
9. Linear actuator according to claim 8, it is characterized in that: the engaging tooth on described worm gear, screw mandrel (5) is the circular arc type tooth.
According to claim 1 to 9 arbitrary described Linear actuator, it is characterized in that: also comprise fixing frame (1), described drive motor (2), connection bracket (3) all are located on fixing frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220542921 CN202812047U (en) | 2012-10-22 | 2012-10-22 | Linear driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220542921 CN202812047U (en) | 2012-10-22 | 2012-10-22 | Linear driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202812047U true CN202812047U (en) | 2013-03-20 |
Family
ID=47870920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220542921 Expired - Fee Related CN202812047U (en) | 2012-10-22 | 2012-10-22 | Linear driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202812047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108903455A (en) * | 2018-08-07 | 2018-11-30 | 深圳市么么科技有限公司 | A kind of adjustable Linear actuator of electric furniture |
-
2012
- 2012-10-22 CN CN 201220542921 patent/CN202812047U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108903455A (en) * | 2018-08-07 | 2018-11-30 | 深圳市么么科技有限公司 | A kind of adjustable Linear actuator of electric furniture |
| WO2020029331A1 (en) * | 2018-08-07 | 2020-02-13 | 深圳市一么么科技有限公司 | Adjustable linear driver for electric furniture |
| CN108903455B (en) * | 2018-08-07 | 2023-09-22 | 深圳市一么么科技有限公司 | Adjustable linear driver for electric furniture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20151022 |
|
| EXPY | Termination of patent right or utility model |