CN207542935U - A kind of electric pushrod - Google Patents
A kind of electric pushrod Download PDFInfo
- Publication number
- CN207542935U CN207542935U CN201720450003.4U CN201720450003U CN207542935U CN 207542935 U CN207542935 U CN 207542935U CN 201720450003 U CN201720450003 U CN 201720450003U CN 207542935 U CN207542935 U CN 207542935U
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- mounting rod
- nut
- travel switch
- shield
- press section
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Abstract
The utility model is related to electric pushrods, electric pushrod, including train of reduction gears, driving motor, push rod, screw rod and nut, the push rod side is parallel to be equipped with a strip mounting rod, the first travel switch and the second travel switch are provided on mounting rod, the side of the nut is equipped with the press section that protrusion forms switch button.This electric pushrod is by setting mounting rod sliding slot and nut circumferential direction limit sliding chutes, the mounting rod is slidably fit into mounting rod sliding slot, the press section end is slidably fit into the circumferential limit sliding chutes, therefore it is very firm, unusual smooth steady during slip, the distance between the press section and travel switch button remain unchanged, therefore structure is more secured, and work is relatively reliable.
Description
Technical field
The utility model is related to electric performance device, specifically a kind of electric pushrod.
Background technology
The function that electric pushrod directly provides motive force with it is applied in many fields；Such as led in photovoltaic generation
Domain, the adjustment big city of the pitch angle of photovoltaic panel use electric pushrod.Its structure of existing electric pushrod includes reducing gear substantially
Wheel group is installed with driving motor, the input of the driving motor and train of reduction gears on the housing of the train of reduction gears
Axis connection, the output shaft of train of reduction gears extends to is drivingly connected rotary flange, the rotary flange outside housing by fastening bolt
On be connected with screw rod, on the screw rod engagement nut is installed, the outer surface of the nut is connected with push rod by screw thread pair, institute
Push rod is stated as hollow push rod, motor continues to operate and damage when being moved to extreme position in order to avoid push rod, in push rod side
Parallel to be equipped with a strip mounting rod, the direction of motion of mounting rod upper edge push rod is one in front and one in back provided with the first travel switch and second
Travel switch, first travel switch and the second travel switch are electrically connected with driving motor in the shell, are set on nut
It is useful for pressing the press section of first travel switch and the second travel switch button, the first travel switch and the second stroke are opened
The switch button of pass is in the running orbit of press section.Cylindrical case work is also fixed on the housing of the train of reduction gears
For shield, the rotary flange, screw rod, nut, mounting rod, the first travel switch and the second travel switch are respectively positioned in shell.
But the location structure of mounting rod is not provided in current electric pushrod, and mounting rod is one end is fixed on reduction gearing
On the housing of group, unstable easy swing causes travel switch work unreliable.
Utility model content
The purpose of this utility model is that provide a kind of work relatively reliable electronic in order to overcome the deficiencies of the prior art
Push rod.
The utility model realizes that the technical solution of above-mentioned purpose is as follows：Electric pushrod, including train of reduction gears, driving electricity
Machine, push rod, screw rod and nut, in the housing, driving motor is fixedly mounted on housing, the drive for the train of reduction gears setting
Dynamic motor and the input shaft of train of reduction gears are drivingly connected, and the output shaft of train of reduction gears extends to outside housing and screw drive connects
It connects, the nut coordinates on screw rod axially slidable, circumferentially positionedly, and the nut is fixedly connected with push rod, the push rod
Side is parallel to be equipped with a strip mounting rod, and the axial direction of mounting rod upper edge push rod is one in front and one in back provided with the first travel switch and second
Travel switch, nut are equipped with the press section for pressing first travel switch and the second travel switch button, the first row
The switch button of Cheng Kaiguan and the second travel switch is in the running orbit of press section, on the housing of the train of reduction gears also
Cylindrical case is fixed with as shield, the rotary flange, screw rod, nut, mounting rod, the first travel switch and the second stroke
Switch is respectively positioned in shield, it is characterised in that：The inner hole wall of the shield is equipped with axial notch and forms mounting rod sliding slot, described
Mounting rod sliding slot removes with mounting rod and is equipped with the first travel switch and the second travel switch side with the cross section profile phase of lateral wall
Adaptation, the mounting rod are slidably fit into mounting rod sliding slot, and the side of the nut is equipped with protrusion and forms the pressing
Portion, the inner hole wall of the shield are equipped with the axial notch being adapted with the cross section profile of the press section end and form nut week
To limit sliding chutes, the press section end is slidably fit into the circumferential limit sliding chutes.
Compared with prior art, the beneficial effects of the utility model are：This electric pushrod is due to being provided with mounting rod sliding slot
And nut circumferential direction limit sliding chutes, the mounting rod are slidably fit into mounting rod sliding slot, the press section end can be slided
Coordinate dynamicly in the circumferential limit sliding chutes, therefore very firm, unusual smooth steady during slip, the press section and stroke
The distance between switch button remains unchanged, therefore structure is more secured, and work is relatively reliable.
The utility model is further described below in conjunction with the drawings and specific embodiments.
Description of the drawings
Attached drawing 1 is the utility model specific embodiment stereoscopic structure diagram；
Attached drawing 2-4 is the utility model specific embodiment partial structurtes decomposition diagram；
Attached drawing 5 is the utility model specific embodiment front view；
Attached drawing 6 is 5 A-A sectional views of attached drawing；
Attached drawing 7 is the utility model shield specific embodiment front view；
Attached drawing 8 is 7 B-B sectional views of attached drawing；
Attached drawing 9 is the utility model nut specific embodiment structure diagram.
Specific embodiment：As shown in Figs 1-4, electric pushrod includes train of reduction gears 2, driving motor 1, push rod 3, screw rod 4
With nut 5, the train of reduction gears 2 is arranged in a metal shell 6, and driving motor 1 is fixedly mounted on a side of housing 6
On face, 1 drive shaft of driving motor is penetrated in metal shell 6 and is drivingly connected with the input shaft of train of reduction gears 2, for convenience
The input shaft of train of reduction gears 2 is drivingly connected with screw rod 4, is additionally provided with a rotary flange 7 outside housing 6, train of reduction gears 2 it is defeated
Shaft, which extends to, is drivingly connected rotary flange 7 outside housing 6, the screw rod 4 is fixed on rotary flange 7.The screw rod 4 and driving electricity
Machine 1 is on the same side end face of housing 6, and the push rod 3 is axial hollow-core construction, is internally provided with the screw thread to match with screw rod 4
Or the through-hole that diametric clearance matches, the push rod 3 are fixedly connected with the end face of nut 5, and the nut 5 is axially slidable, all
To positioningly coordinating on screw rod 4, the screw rod 4 is in 3 endoporus of push rod.In order to avoid push rod 3 is moved to limit position
Motor continues to operate and damage when putting, and 3 side of push rod is parallel to be equipped with a strip mounting rod 8,8 upper edge push rod 3 of mounting rod
Axial direction be one in front and one in back provided with the first travel switch 9 and the second travel switch 10, nut 5 is equipped with to press described first
The switch button of the press section of 9 and second travel switch of travel switch, 10 button, the first travel switch 9 and the second travel switch 10
It is in the running orbit of press section, cylindrical case is also fixed on the housing 6 of the train of reduction gears 2 as shield 11,
The rotary flange 7, screw rod 4, nut 5, mounting rod 8, the first travel switch 9 and the second travel switch 10 are respectively positioned on shield 11
Interior, the inner hole wall of the shield 11 is equipped with axial notch and forms mounting rod sliding slot 1101, the mounting rod sliding slot 1101 and peace
Dress bar 8 is except being equipped with the first travel switch 9 and 10 side of the second travel switch is adapted with the cross section profile of lateral wall, the peace
Dress bar 8 is slidably fit into mounting rod sliding slot 1101, and the side of the nut 5 is equipped with protrusion and forms the press section 501,
The inner hole wall of the shield 11 is equipped with the axial notch being adapted with the cross section profile of 501 end of press section and forms nut
5 circumferential limit sliding chutes 1102,501 end of press section are slidably fit into the circumferential limit sliding chutes 1102.
In this specific embodiment, as shown in figs 6-8, the mounting rod sliding slot 1101 is by axis on the inner hole wall of the shield 11
Space between the first convex ribs 1103 and adjacent alignment bores wall of setting is formed, and front end is equipped with the through-hole stretched out for push rod 3, described
Circumferential limit sliding chutes 1102 are by between the second convex ribs 1104 and adjacent alignment bores wall that are axially set on the inner hole wall of the shield 11
Space form, advantageously reduce the consumption of material in this way.8 rectangular cross-section of mounting rod is preferably equipped in one side and uses
In installation electronic component（Such as resistance, diode）Groove 801, the first travel switch 9 and the second travel switch 10 fixation set
The opposite side in mounting rod 8 is put, described 8 one end of mounting rod is fixedly connected on housing 6, and 3 shape of push rod is selected hollow
Cylinder, as shown in figure 9,5 shape of the nut is generally round, the cross section profile of the shield 11 is rounded to be merged with trapezoidal
The shape formed matches in this way with the mounting rod 8 and 5 shape of nut, is conducive to reduce volume.As shown in Figure 5,6, it is described to push away
Bar 3 and nut 5 are in the rounded portions of shield 11, and first convex ribs 1103 are arranged on the porch side walls in trapezoidal portion, and oblique
Space between side and top forms the mounting rod sliding slot 1101, and the mounting rod 8 is plugged in mounting rod sliding slot 1101, institute
The inclined-plane for stating triangle is adapted with the endoporus draft where 11 trapezoidal portion's bevel edge of shield, and second convex ribs 1104 are arranged on
The corresponding side vertex in 11 trapezoidal portion of shield, between the inner hole wall where 11 trapezoidal portion's bevel edge of second convex ribs 1104 and shield
Space form the circumferential limit sliding chutes 1102,501 end of press section is slidably fit into the circumferential limiting and slides
In slot 1102,5 side of nut is equipped with triangle protrusion along oblique line and forms the press section 501, and make the first stroke
The switch button of 9 and second travel switch 10 of switch is in the running orbit of press section 501.
Claims (3)
1. electric pushrod, including train of reduction gears, driving motor, push rod, screw rod and nut, the train of reduction gears is arranged on shell
In body, driving motor is fixedly mounted on housing, and the input shaft of the driving motor and train of reduction gears is drivingly connected, reducing gear
The output shaft of wheel group extends to be connect outside housing with screw drive, and the nut coordinates axially slidable, circumferentially positionedly in screw rod
On, the nut is fixedly connected with push rod, and the push rod side is parallel to be equipped with a strip mounting rod, the axis of mounting rod upper edge push rod
To the first travel switch and the second travel switch is one in front and one in back provided with, nut is equipped with to press first travel switch
With the press section of the second travel switch button, the switch button of the first travel switch and the second travel switch is in the fortune of press section
Cylindrical case is also fixed in row track, on the housing of the train of reduction gears as shield, rotary flange, screw rod, nut,
Mounting rod, the first travel switch and the second travel switch are respectively positioned in shield, it is characterised in that：It is set on the inner hole wall of the shield
There is axial notch to form mounting rod sliding slot, the mounting rod sliding slot removes with mounting rod and is equipped with the first travel switch and the second stroke
Switch side is adapted with the cross section profile of lateral wall, and the mounting rod is slidably fit into mounting rod sliding slot, the nut
Side be equipped with protrusion and form the press section, the inner hole wall of the shield is equipped with and the section of the press section end is taken turns
The axial notch that exterior feature is adapted forms nut circumferential direction limit sliding chutes, and the press section end is slidably fit into the circumferential limit
In the sliding slot of position.
2. electric pushrod according to claim 1, it is characterised in that：The mounting rod sliding slot by the shield inner hole wall
Space between upper the first convex ribs axially set and adjacent alignment bores wall is formed, and the circumferential direction limit sliding chutes are by the shield
Space between the second convex ribs and adjacent alignment bores wall that are axially set on hole wall is formed.
3. electric pushrod according to claim 2, it is characterised in that：The mounting rod rectangular cross-section, one side are equipped with
For installing the groove of electronic component, the push rod is cylinder, and the nut shape is generally round, the section of the shield
Profile is rounded with the trapezoidal shape merged, and the push rod and nut are in the rounded portions of shield, and first convex ribs are set
It puts on the porch side walls in trapezoidal portion, the space between bevel edge and top forms the mounting rod sliding slot, the nut side
Triangle protrusion is equipped with along oblique line and forms the press section, and the inclined-plane of the triangle is interior where with the trapezoidal portion's bevel edge of shield
Hole wall gradient is adapted, and second convex ribs are arranged on the corresponding side vertex in the trapezoidal portion of shield, second convex ribs and shield
Space between inner hole wall where trapezoidal portion's bevel edge forms the circumferential limit sliding chutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720450003.4U CN207542935U (en) | 2017-04-26 | 2017-04-26 | A kind of electric pushrod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720450003.4U CN207542935U (en) | 2017-04-26 | 2017-04-26 | A kind of electric pushrod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207542935U true CN207542935U (en) | 2018-06-26 |
Family
ID=62607138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720450003.4U Active CN207542935U (en) | 2017-04-26 | 2017-04-26 | A kind of electric pushrod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207542935U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450160A (en) * | 2018-07-26 | 2019-03-08 | 汪洋 | A kind of electric shift displacement linear reciprocating thermostat |
| WO2020077571A1 (en) * | 2018-10-17 | 2020-04-23 | 炼马机电（东莞）有限公司 | Actuator |
| WO2020211079A1 (en) * | 2019-04-19 | 2020-10-22 | 炼马机电（东莞）有限公司 | Drive device |
-
2017
- 2017-04-26 CN CN201720450003.4U patent/CN207542935U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450160A (en) * | 2018-07-26 | 2019-03-08 | 汪洋 | A kind of electric shift displacement linear reciprocating thermostat |
| WO2020077571A1 (en) * | 2018-10-17 | 2020-04-23 | 炼马机电（东莞）有限公司 | Actuator |
| WO2020211079A1 (en) * | 2019-04-19 | 2020-10-22 | 炼马机电（东莞）有限公司 | Drive device |
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