CN202050320U - Improved structure of electric push rod - Google Patents
Improved structure of electric push rod Download PDFInfo
- Publication number
- CN202050320U CN202050320U CN2011200817546U CN201120081754U CN202050320U CN 202050320 U CN202050320 U CN 202050320U CN 2011200817546 U CN2011200817546 U CN 2011200817546U CN 201120081754 U CN201120081754 U CN 201120081754U CN 202050320 U CN202050320 U CN 202050320U
- Authority
- CN
- China
- Prior art keywords
- fixed
- screw mandrel
- cover
- travel switch
- screw rod
- 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 - Lifetime
Links
Images
Abstract
The utility model discloses an improved structure of an electric push rod, which comprises a screw rod linked with a motor, a screw rod sleeve which arranged on the screw rod and is matched with the screw rod through a thread, and a stroke switch which is arranged under the screw rod sleeve and can limit the motion range of the screw rod sleeve, wherein the screw rod sleeve is provided with a fixed sleeve which is fixedly connected on a rack, a positioning structure which is used for guiding the screw rod sleeve to do axial movement and can prevent the screw rod sleeve from rotating is arranged between the fixed sleeve and the screw rod sleeve, the lower part of the fixed sleeve is provided with an installing part, and the stroke switch is arranged in the installing part. The utility model has the advantages that the structure is simple, the installation is quick and convenient, no condition that the screw rod sleeve rotate is caused, the screw rod sleeve is reliably fixed after the stroke switch is positioned, and can not have position offset, and simultaneously, the working distance between the stroke switch and the screw rod sleeve is ensured, so that the stroke switch can quickly response to the movement of the upper swing rod of the stroke switch, and further, the screw rod sleeve can reversely move.
Description
Technical field
The utility model relates to electric pushrod, and particularly a kind of reciprocating electric pushrod improves structure.
Background technology
Most of reciprocating electric pushrods all have by motor-driven screw mandrel be enclosed within screw mandrel on when screw mandrel rotates relative screw mandrel make axially movable screw mandrel cover, limit the travel switch of screw mandrel cover moving range in addition, because the screw mandrel cover is not only reciprocating, thereby the back that puts in place of also will moving on a certain direction reacts travel switch for some actions of travel switch to change motor steering the screw mandrel cover oppositely to be moved, therefore screw mandrel cover location accurately, will guarantee not only that screw mandrel overlaps does not rotate when reciprocating, and with require the counteragent of screw mandrel cover rapid after travel switch contacts.
The utility model content
Problem to be solved in the utility model just provides a kind of electric pushrod simple in structure, easy for installation and improves structure, avoids the screw mandrel cover to rotate, and accurately locatees the position relation between screw mandrel cover and the travel switch, and counteragent is swift in response.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of electric pushrod improves structure, comprise with the screw mandrel of motor interlock and be located on the screw mandrel and wire rod thread fit screw rod cover, and the travel switch that is located at screw mandrel cover below qualification screw mandrel cover range of movement, it is characterized in that: described screw mandrel puts and is provided with the fixed cover that is fixed on the frame, be provided with the interplanting of guiding screw mandrel between fixed cover and the screw mandrel cover and move axially and prevent the oriented structure that the screw mandrel cover rotates, bottom at fixed cover is provided with installation portion, and travel switch is located in the installation portion.
Further, described oriented structure comprises at least one guiding groove that axially is located on the fixed cover inwall and is located on the screw mandrel cover outer wall and the corresponding raised line of guiding groove.
Further, described screw mandrel cover is provided with the big boss of diameter change that contacts with travel switch near an end of screw mandrel, screw mandrel cover outer wall is provided with plural recessed step, and the screw mandrel that described raised line is located between the recessed step overlaps on the outer wall boss diameter and fixed cover internal diameter equal and opposite in direction.
Further, be provided with mounting groove in the described installation portion, be provided with the fixed head assembly of fixed journey system switch in the mounting groove, fixed head assembly and mounting groove interference fit.
Further; described fixed head assembly comprises the fixed plate I and the fixed plates II of mutual fastening; be provided with between fixed plate I and the fixed plates II with travel switch on the corresponding inserted link of installing hole, between fixed plate I and fixed plates II, also be provided with and prevent that fixed plate I and fixed plates II from clamping the protection structure of travel switch.
Further; described protection structure comprises the cylinder that is located on the fixed plate I madial wall and is located at bossy body corresponding with cylinder on the fixed plates II madial wall; the top end face of cylinder is provided with groove; after fixed plate I and fixed plates II fasten; bossy body embeds in the groove; the top end face of cylinder is against on the fixed plates II madial wall, and the length of cylinder is greater than the width of travel switch.Avoid fixed plate I and fixed plates II to fasten in the caulking groove of packing into and afterwards travel switch is clamped the service behaviour that influences travel switch.
Further, described cylinder is located at the both sides of mounted travel switch.Only need on the installation site of assurance travel switch enough horizontal spaces be arranged.
Further, the bottom of described fixed plate I is provided with draw-in groove, and the bottom of fixed plates II is provided with the card article of corresponding fastening with draw-in groove.Simple, Stability Analysis of Structures are installed.
Further, described inserted link comprises the inserted link I and the vertical inserted link II that is located on the fixed plates II madial wall that vertically is located on the fixed plate I madial wall, and the length sum of inserted link I and inserted link II is not more than the width of travel switch.Two hinge pedestal structures increase the bearing value and the stability of inserted link.
Further, the madial wall of described fixed plate I is provided with wiring groove I, and the madial wall of described fixed plates II is provided with wiring groove II.Be convenient to the arrangement of drawing lead of travel switch, also can be to drawing the lead protection of playing a role.
After adopting technique scheme, the utlity model has following advantage: the screw mandrel cover can not rotate, and accurately locate the position relation between screw mandrel cover and the travel switch, make action that travel switch can fast reaction travel switch upper pendulum bar make the action reversed of screw mandrel cover.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the structural representation (broken section) of a kind of embodiment of the utility model;
Fig. 2 is a left view embodiment illustrated in fig. 1;
Fig. 3 is the partial schematic diagram of fixed plate I inboard;
Fig. 4 is the partial schematic diagram of fixed plates II inboard.
Embodiment
The structural representation of a kind of embodiment of the utility model shown in Fig. 1 to 4, a kind of electric pushrod improves structure, comprise with the screw mandrel 1 of motor interlock and be located on the screw mandrel and wire rod thread fit screw rod cover 2, and the travel switch 3 that is located at screw mandrel cover below qualification screw mandrel cover range of movement, put at screw mandrel and to be provided with the fixed cover 4 that is fixed on the frame, be provided with the interplanting of guiding screw mandrel between fixed cover and the screw mandrel cover and move axially and prevent the oriented structure that the screw mandrel cover rotates, be provided with installation portion 41 in the bottom of fixed cover, be provided with mounting groove 411 in the installation portion, travel switch is located in the mounting groove.
Described oriented structure comprises and axially is located at least one guiding groove 42 on the fixed cover inwall and is located on the screw mandrel cover outer wall and the corresponding raised line 22 of guiding groove.The screw mandrel cover is provided with the big boss 21 of diameter change that contacts with travel switch near an end of screw mandrel, screw mandrel cover outer wall is provided with plural recessed step 23, the screw mandrel that described raised line is located between the recessed step overlaps on the outer wall boss diameter and fixed cover internal diameter equal and opposite in direction.
Be provided with the fixed head assembly of fixed journey system switch in the described mounting groove, fixed head assembly and mounting groove interference fit.Described fixed head assembly comprises the fixed plate I 51 and the fixed plates II 52 of mutual fastening, and the bottom of fixed plate I is provided with draw-in groove 512, and the bottom of fixed plates II is provided with the card article 522 of corresponding fastening with draw-in groove; Be provided with between fixed plate I and the fixed plates II with travel switch on installing hole 31 corresponding inserted links 53, inserted link comprises the inserted link I531 and the vertical inserted link II532 that is located on the fixed plates II madial wall that vertically is located on the fixed plate I madial wall, and the length sum of inserted link I and inserted link II is not more than the width of travel switch; Between fixed plate I and fixed plates II, also be provided with and prevent that fixed plate I and fixed plates II from clamping the protection structure of travel switch.Described protection structure comprises the cylinder 511 that is located on the fixed plate I madial wall and is located at bossy body corresponding with cylinder on the fixed plates II madial wall 521; the top end face of cylinder is provided with groove 5111; after fixed plate I and fixed plates II fasten; bossy body embeds in the groove; the top end face of cylinder is against on the fixed plates II madial wall, and the length of cylinder is greater than the width of travel switch.Cylinder is located at the both sides of mounted travel switch.
In the foregoing description, the madial wall of fixed plate I is provided with wiring groove I513, and the madial wall of described fixed plates II is provided with wiring groove II523.Can also only on the madial wall of fixed plate I, inserted link be set in addition, promptly single hinge pedestal structure, the length of inserted link is not more than the width of travel switch, and molding structure is simple like this.
The utility model is simple in structure, the installation rapid and convenient, the situation that the screw mandrel cover rotates can not take place, and it is fixed behind the travel switch of having good positioning, can not be offset by occurrence positions, also guaranteed simultaneously the operating distance between travel switch and the screw mandrel cover, the action reversed that makes action that travel switch can fast reaction travel switch upper pendulum bar that screw mandrel is overlapped.
Except that above preferred embodiment, the utility model also has other execution mode, those skilled in the art can make various changes and distortion according to the utility model, only otherwise break away from spirit of the present utility model, all should belong to the defined scope of the utility model claims.
Claims (10)
1. an electric pushrod improves structure, comprise with the screw mandrel (1) of motor interlock and be located on the screw mandrel and wire rod thread fit screw rod cover (2), and the travel switch (3) that is located at screw mandrel cover below qualification screw mandrel cover range of movement, it is characterized in that: described screw mandrel puts and is provided with the fixed cover (4) that is fixed on the frame, be provided with the interplanting of guiding screw mandrel between fixed cover and the screw mandrel cover and move axially and prevent the oriented structure that the screw mandrel cover rotates, be provided with installation portion (41) in the bottom of fixed cover, travel switch is located in the installation portion.
2. a kind of electric pushrod according to claim 1 improves structure, it is characterized in that: described oriented structure comprises at least one guiding groove (42) that axially is located on the fixed cover inwall and is located at screw mandrel and overlaps on the outer wall and the corresponding raised line of guiding groove (22).
3. a kind of electric pushrod according to claim 1 and 2 improves structure, it is characterized in that: described screw mandrel cover is provided with the big boss (21) of diameter change that contacts with travel switch near an end of screw mandrel, screw mandrel cover outer wall is provided with plural recessed step (23), the screw mandrel that described raised line is located between the recessed step overlaps on the outer wall boss diameter and fixed cover internal diameter equal and opposite in direction.
4. a kind of electric pushrod according to claim 1 improves structure, it is characterized in that: be provided with mounting groove (411) in the described installation portion, be provided with the fixed head assembly of fixed journey system switch in the mounting groove, fixed head assembly and mounting groove interference fit.
5. a kind of electric pushrod according to claim 4 improves structure; it is characterized in that: described fixed head assembly comprises the fixed plate I (51) and the fixed plates II (52) of mutual fastening; be provided with between fixed plate I and the fixed plates II with travel switch on the corresponding inserted link of installing hole (31) (53), between fixed plate I and fixed plates II, also be provided with and prevent that fixed plate I and fixed plates II from clamping the protection structure of travel switch.
6. a kind of electric pushrod according to claim 5 improves structure; it is characterized in that: described protection structure comprises the cylinder (511) that is located on the fixed plate I madial wall and is located at bossy body corresponding with cylinder on the fixed plates II madial wall (521); the top end face of cylinder is provided with groove (5111); after fixed plate I and fixed plates II fasten; bossy body embeds in the groove; the top end face of cylinder is against on the fixed plates II madial wall, and the length of cylinder is greater than the width of travel switch.
7. a kind of electric pushrod according to claim 6 improves structure, and it is characterized in that: described cylinder is located at the both sides of mounted travel switch.
8. a kind of electric pushrod according to claim 5 improves structure, and it is characterized in that: the bottom of described fixed plate I is provided with draw-in groove (512), and the bottom of fixed plates II is provided with the card article (522) of corresponding fastening with draw-in groove.
9. a kind of electric pushrod according to claim 5 improves structure, it is characterized in that: described inserted link comprises the inserted link I (531) and the vertical inserted link II (532) that is located on the fixed plates II madial wall that vertically is located on the fixed plate I madial wall, and the length sum of inserted link I and inserted link II is not more than the width of travel switch.
10. improve structure according to claim 5,6,8 or 9 described a kind of electric pushrods, it is characterized in that: the madial wall of described fixed plate I is provided with wiring groove I (513), and the madial wall of described fixed plates II is provided with wiring groove II (523).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200817546U CN202050320U (en) | 2011-03-25 | 2011-03-25 | Improved structure of electric push rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200817546U CN202050320U (en) | 2011-03-25 | 2011-03-25 | Improved structure of electric push rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202050320U true CN202050320U (en) | 2011-11-23 |
Family
ID=44990611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200817546U Expired - Lifetime CN202050320U (en) | 2011-03-25 | 2011-03-25 | Improved structure of electric push rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202050320U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195397A (en) * | 2011-03-25 | 2011-09-21 | 许晓华 | Improved structure of electric push rod |
| CN108688211A (en) * | 2017-04-11 | 2018-10-23 | 杭州海善制药设备股份有限公司 | A kind of Digital Control device of sensor application |
| CN108730458A (en) * | 2018-05-24 | 2018-11-02 | 苏州旭玛电子科技有限公司 | A kind of feed screw nut's driving device |
-
2011
- 2011-03-25 CN CN2011200817546U patent/CN202050320U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195397A (en) * | 2011-03-25 | 2011-09-21 | 许晓华 | Improved structure of electric push rod |
| CN102195397B (en) * | 2011-03-25 | 2013-01-16 | 许晓华 | Improved structure of electric push rod |
| CN108688211A (en) * | 2017-04-11 | 2018-10-23 | 杭州海善制药设备股份有限公司 | A kind of Digital Control device of sensor application |
| CN108688211B (en) * | 2017-04-11 | 2021-04-09 | 杭州海善制药设备股份有限公司 | Digital control device applied to sensor |
| CN108730458A (en) * | 2018-05-24 | 2018-11-02 | 苏州旭玛电子科技有限公司 | A kind of feed screw nut's driving device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202050320U (en) | Improved structure of electric push rod | |
| CN102195397B (en) | Improved structure of electric push rod | |
| CN202759194U (en) | Multi-strip wire harness fixing support | |
| CN102363370A (en) | Plug pin type safety device for hydraulic machine | |
| CN103758820A (en) | Stroke stopping device | |
| CN103545682B (en) | Electric installation | |
| CN205128614U (en) | Antirusting rolling mill guide and guard beam device | |
| CN202447639U (en) | Connecting structure of oil cylinder travel switch device of pressure casting die | |
| CN201913723U (en) | Easy sealing device for charging door of internal mixer | |
| CN202042390U (en) | Improved fixing structure of micro switch for electric pushing rod | |
| CN209239361U (en) | A kind of new automobile welding fixture Multi-working-surface slipping mechanism | |
| CN202767637U (en) | Novel lock tongue protection mechanism of excavator door lock | |
| CN205275764U (en) | A movable water -cooling box for electric plate wire | |
| CN102194582B (en) | Improved micro switch fixing structure for electric push rod | |
| CN204524991U (en) | Gear shaving machine feed mechanism | |
| CN218806838U (en) | GDX2 hard box packagine machine group inside casing paper clutch device | |
| CN202339159U (en) | Rearview mirror mounting plate inspection tool | |
| CN203730460U (en) | Travel stopping device | |
| CN103192410A (en) | Shaft limiting device and industrial robot employing same | |
| CN203316933U (en) | Protective guard device of laser cutting machine | |
| CN203270244U (en) | Needle bar driving mechanism | |
| CN202731424U (en) | Handle component for doors and windows | |
| CN211053202U (en) | Machine tool screw rod dustproof cap | |
| CN202702834U (en) | U shape positioning device of elliptic printing machine | |
| CN204332852U (en) | A kind of contact of breaker state indication component and circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG LINIX MOTOR CO., LTD. Free format text: FORMER OWNER: XU XIAOHUA Effective date: 20130118 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 322100 JINHUA, ZHEJIANG PROVINCE TO: 322118 JINHUA, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130118 Address after: 196 No. 322118 Zhejiang city of Dongyang province Hengdian Electronic Industrial Park Industrial Avenue Patentee after: Zhejiang Linix Motor Co., Ltd. Address before: 322100 No. 196, Industrial Avenue, Hengdian Electronic Industrial Park, Jinhua, Zhejiang Patentee before: Xu Xiaohua |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20111123 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |