CN108566037A - A kind of tail draws location structure and linear actuators - Google Patents
A kind of tail draws location structure and linear actuators Download PDFInfo
- Publication number
- CN108566037A CN108566037A CN201810500503.3A CN201810500503A CN108566037A CN 108566037 A CN108566037 A CN 108566037A CN 201810500503 A CN201810500503 A CN 201810500503A CN 108566037 A CN108566037 A CN 108566037A
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- China
- Prior art keywords
- tail
- shell
- positioning
- location structure
- embedded
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of tails to draw location structure, belong to Linear transmission technical field, including tail drawing and shell, the tail is pulled on equipped with the mounting groove for fixing driven object body, the tail draws with cage connection and partly stretches out outside shell, it includes being embedded in section that the tail, which is drawn, embedding slot is equipped in the shell, the embedded section is rotatably installed in embedding slot, the peripheral side of the embedded section is equipped at least two positioning surfaces, one positioning column is installed on the shell, the positioning column is packed into outside shell and is extending at least partially into the embedding slot, the side of the positioning column is bonded matching with the positioning surface, it is circumferentially rotated with limiting the tail drawing.The invention also discloses a kind of linear actuators.The advantage of the invention is that can capable commutation quickly be drawn in tail.
Description
【Technical field】
The present invention relates to a kind of tails to draw location structure, belongs to Linear transmission technical field.
【Background technology】
Linear actuators, also referred to as electric pushrod are widely used in furniture, Medical Devices, solar power generation etc. field,
Primary structure includes driving motor, geared worm, worm gear, lead screw, nut, and operation principle is that driving motor driving geared worm turns
Dynamic, geared worm is engaged with worm gear to drive worm gear to rotate, and worm gear rotation drives lead screw rotation, lead screw rotation to drive nut shaft
To movement, nut is generally connected with inner tube, to realize the telescopic moving of inner tube.
It is connected with driven object body in order to facilitate linear actuators, linear actuators generally includes shell, and cage connection has
One tail is drawn, and the tail in currently available technology is drawn, and typically includes a mounting groove, and mounting groove penetrates through a locking hole, driven object
Body is installed in mounting groove and is assembled in tail by fastening member and pulls on.
Since the shape, structure of driven object body is very more, and it is orientation installation that driven object body, which is installed in mounting groove,
, so as to cause Linear actuator when driving different driven object bodies, the circumferential direction that tail is drawn is to need to carry out centainly more
It changes, the existing method for replacing the circumferential direction that tail is drawn typically integrally dismantles shell, then rotates tail and draws certain angle
Afterwards, then shell reinstalls fixation, and such commutation method needs dismantle entire shell, very troublesome.
【Invention content】
A kind of tail drawing location structure is provided technical problem to be solved by the present invention lies in overcome the deficiencies in the prior art
And linear actuators, can row switch operation quickly be drawn in tail.
Above-mentioned technical problem is solved, the present invention adopts the following technical scheme that：
A kind of tail drawing location structure, including tail is drawn and shell, the tail is pulled on equipped with the peace for fixing driven object body
Tankage, the tail are drawn with outside cage connection and part stretching shell, and the tail drawing includes being embedded in section, equipped with embedded in the shell
Slot, the embedded section are rotatably installed in embedding slot, and the peripheral side of the embedded section is equipped at least two positioning surfaces, the shell
On a positioning column is installed, the positioning column is packed into outside shell and is extending at least partially into the embedding slot, described fixed
The side of position column is bonded matching with the positioning surface, is circumferentially rotated with limiting the tail drawing.
Advantageous effect using the present invention：
In the present invention, the embedded section that the tail is drawn is rotatably installed in shell embedding slot, when being not provided with other positioning
When component, tail drawing can be freely rotated in embedding slot；
In the present invention, it is mounted with a positioning column on the shell, while being embedded at least two positioning of peripheral side setting of section
Face, one of positioning surface can carry out being bonded matching with positioning column, can be to prevent using the cooperation of positioning column and positioning surface
It is only embedded in section to circumferentially rotate, limits embedded section and circumferentially rotate, also just define that tail drawing circumferentially rotates, when needs pair
When tail draws in row switch operation, it is only necessary to positioning column is detached out of embedding slot, column is positioned and positioning surface is not bonded,
Tail drawing can be freely rotated, after rotate predetermined angular, then again will positioning column stretch into embedding slot so that positioning column and
Another positioning surface cooperation, to complete switch operation.
For traditional tail draws switch operation, the present invention need not integrally dismantle shell, it is only necessary to operate one
A positioning column, it is very convenient；It draws commutation that need not dismount shell additionally, due to tail, does not interfere with the zero of enclosure
Component, the assembly relation between parts are more stablized；Finally, the positioning method in the present invention is between two faces in fact
The side of contact positioning, that is, the positioning surface and positioning column that are embedded in section side is in contact, and it is fixed to be contacted between this side and side
The mode of position, locating effect is more stable, positions longer life expectancy, even if there is several places to wear between face and face, will not cause to position
Effect fails.
Preferably, the shell includes first shell and second shell, the positioning column is trip bolt, described tight
Gu the threaded portion of screw is for first shell to be fixedly connected with second shell, the side of the trip bolt and the positioning surface
Matching.
Preferably, the positioning surface is the cambered surface of indent.
Preferably, at least two positioning surface is circumferentially evenly distributed on the peripheral side of embedded section.
Preferably, the positioning surface includes orientation, positioning column under positioning surface fit-state, determine by positioning surface
Position direction is parallel with the positioning axial direction of column, and the orientation in adjacent positioned face intersects angle A, and the angle A is 20 °
~180 °.
Preferably, being set on the peripheral side of the embedded section there are four positioning surface, the orientation between adjacent positioned face
Angle of intersection is 90 °.
Preferably, the mounting groove is bar-shaped trough, is formed inside the bar-shaped trough and insert plane, in the positioning surface extremely
Orientation and inserting plane there are one few is perpendicular or parallel.
Preferably, the embedded section is limited in the axial direction in the embedding slot.
Preferably, the positioning column is positioning pin, in the positioning pin inserting to shell, and pass through fastener spiral-lock
On the shell.
In addition, the invention also discloses a kind of linear actuators, including driving motor, geared worm, worm gear, lead screw and spiral shell
Mother, the linear actuators draw location structure using the tail described in any one of the above scheme.
These features and advantages of the present invention will the detailed exposure in following specific implementation mode, attached drawing.
【Description of the drawings】
Following further describes the present invention with reference to the drawings：
Fig. 1 is the schematic diagram of one linear actuators of the embodiment of the present invention；
Schematic diagram after Fig. 2 splits for first shell in one linear actuators of the embodiment of the present invention；
Fig. 3 is first shell in one linear actuators of the embodiment of the present invention, second shell, positions column, the explosion that tail is drawn
Schematic diagram；
Fig. 4 is the front view that tail draws in axial direction in one linear actuators of the embodiment of the present invention.
【Specific implementation mode】
The technical solution of the embodiment of the present invention is explained and illustrated with reference to the attached drawing of the embodiment of the present invention, but under
It states embodiment to be merely a preferred embodiment of the present invention, and not all.Based on the implementation example in the implementation mode, those skilled in the art
Obtained other embodiment without making creative work, belongs to protection scope of the present invention.
In the following description, occur the indicating positions such as term "inner", "outside", "upper", "lower", "left", "right" or
Position relationship is to be based on the orientation or positional relationship shown in the drawings, description embodiment merely for convenience and simplified description, and
It is not instruction or implies that signified device or element must have a particular orientation, with specific azimuth configuration and operation, because
This is not considered as limiting the invention.
Embodiment one
As shown in Figures 1 to 4, a kind of linear actuators of the present embodiment, the present embodiment linear actuator include driving electricity
Machine 10, geared worm, worm gear 11, lead screw, nut, driving motor 10 connect geared worm, and geared worm drives worm gear 11 to rotate,
The rotation of worm gear 11 drives lead screw rotation, and lead screw rotation drives nut axial movement, in addition, the present embodiment further includes shell 2, outer tube
12, inner tube 13, shell 2 are connect with outer tube 12, and the nut is connect with inner tube 13, and the axial movement of nut is eventually exhibited as inner tube
Axially opposing displacement between 13 and outer tube 12.
Linear actuators in the present embodiment further includes that tail draws 3, and the tail draws 3 to be equipped with for fixing driven object body
Mounting groove 31, the tail draws 3 to be connect with shell 2 and part is stretched out outside shell 2, and it includes being embedded in section 301 that the tail, which draws 3, described outer
Embedding slot 21 is equipped in shell 2, the embedded section 301 is rotatably installed in embedding slot 21, and the peripheral side of the embedded section 301 is equipped with
At least two positioning surfaces 32 are equipped with a positioning column 4 on the shell 2, position column 4 and tail draws 3 composition tails to draw orientation knot
Structure, the positioning column 4 are packed into outside shell 2 and are extending at least partially into the embedding slot 21, the side of the positioning column 4
It is bonded matching with the positioning surface 32, draws 3 to circumferentially rotate to limit the tail.Here 4 side of positioning column and positioning surface 32
Fitting matching refers to that in the tangential direction of peripheral side for being embedded in section 301, positioning surface 32 and positioning column paste between 4 side
It closes length and is more than 5mm.
It should be noted that the tail of the present embodiment linear actuator draws location structure, not only limitation is applied in this reality
In the linear linear actuators for applying example, it can be applied on other linear actuators.
In the present embodiment, it is mounted with a positioning column 4 on shell 2, while being embedded in the peripheral side setting at least two of section 301
A positioning surface 32, one of positioning surface 32 can carry out being bonded matching with positioning column 4, utilize positioning column 4 and positioning surface
32 cooperation can prevent embedded section 301 from circumferentially rotating, limit embedded section 301 and circumferentially rotate, also just define
Tail draws 3 to circumferentially rotate, when needing to draw 3 progress switch operation to tail, it is only necessary to detach positioning column 4 out of embedding slot 21
Coming, positions column 4 and positioning surface 32 is not bonded, tail drawing 3 can be freely rotated, after rotating predetermined angular, then again will positioning
Column 4 stretches into embedding slot 21 so that positioning column 4 coordinates with another positioning surface 32, to complete switch operation.
For traditional tail draws 3 switch operations, the present embodiment need not dismantle 2 entirety of shell, it is only necessary to grasp
Make a positioning column 4, it is very convenient；It draws 3 commutations that need not dismount shell 2 additionally, due to tail, does not interfere with shell 2
Internal parts, the assembly relation between parts are more stablized；Finally, the positioning method in the present embodiment, is leaned in fact
Positioning is contacted between two faces, that is, the side of the positioning surface 32 and positioning column 4 that are embedded in 301 side of section is in contact, this side
The mode of positioning is contacted between side, locating effect is more stable, positions longer life expectancy, even if there are several places to grind between face and face
Damage, will not cause locating effect to fail.
Concrete preferred structure is as follows：
In the present embodiment, the shell 2 includes first shell 201 and second shell 202, first shell 201 and second shell
It is fixed by multiple fasteners between body 202, fastener is preferably trip bolt, and the positioning column 4 is one of fastening
Screw, the threaded portion of the trip bolt is for first shell 201 to be fixedly connected with second shell 202, the trip bolt
Side matched with the positioning surface 32.
Will positioning column 4 be preferably trip bolt so that in the present embodiment a wherein trip bolt both realized by
The effect that first shell 201 is fixedly connected with second shell 202, while realizing that limitation tail draws 3 effects circumferentially rotated again, for
Position column 4 for, there is no need to the new parts of additional, it is only necessary to by original trip bolt it is achieved that
So that cost is lower, it is more compact in structure；For tail draws 3 switch operations, as soon as user only needs to unscrew a trip bolt,
Tail, which can be rotated, draws 3 to carry out switch operation, very convenient, and traditional linear actuators, it may be necessary to unscrew all fastening spiral shells
3 could be drawn to carry out switch operation tail after nail.
In order to enable the positioning surface 32 being embedded in section 301 is preferably bonded matching with trip bolt, positioned in the present embodiment
Face 32 is the cambered surface of indent, and as shown in Figure 3, the peripheral side that section 301 is embedded in the present embodiment is provided with linear arc groove,
It is just matched with the peripheral side of trip bolt, positioning surface 32 is arranged to cambered surface, can not only prevent from being embedded in circumferential turn of section 301
It is dynamic, while the axial direction for being embedded in section 301 can also also be limited.The axial direction of embedded section 301 referred herein, in fact
It is exactly the axial direction of lead screw.
In order to facilitate the rotation direction that tail draws 3 is adjusted, at least two positioning surface 32 is circumferential to be evenly distributed on embedded section
301 peripheral side.In the present embodiment, it is embedded on the peripheral side of section 301 and is uniformly arranged four positioning surfaces 32, each positioning surface 32
There is an orientation, positions under column 4 and 32 fit-state of positioning surface, the axis of the orientation and positioning column 4 of positioning surface 32
It is parallel to direction 4a, as shown in figure 4, four positioning surfaces 32 include four orientations, i.e., it is straight where 32a, 32b, 32c, 32d
The orientation in line direction, adjacent positioned face 32 intersects angle A, and angle A is 90 °.
It should be noted that being required to meet more commutations, the quantity of positioning surface 32 is not limited to this in the present invention
Four in embodiment, can be two, three, five etc., between the angle A is 20 °~180 °.
In addition, it includes main paragraph 302 and embedded section 301 that the tail in the present embodiment, which draws 3, it is embedded in section 301 and is mounted in shell 2
It is interior, and main paragraph 302 then stretches out outside shell 2, mounting groove 31 is provided on main paragraph 302, and the mounting groove 31 is bar-shaped trough,
Inserting plane 31a, inserting plane 31a are formed inside the bar-shaped trough as shown in figure 4, in order to ensure that the tail of linear actuators draws 3
All there are one the suitable installation sites given tacit consent to, and the orientation of at least one hangs down with inserting plane 31a in the positioning surface 32
It is straight or parallel.In this way, so that tail draws 3 when giving tacit consent to assembling, the direction of inserting plane 31a is relatively uniform, and is in one
More suitable position.
In addition, in order to further ensure the axial direction for being embedded in section 301 limits, outside the embedded section 301 in the present embodiment
Diameter is more than the outer diameter of main paragraph 302, forms a stage portion, is embedded in section 301 and is located in embedding slot 21, embedding slot 21 can be right
It is embedded in the progress axial limiting of section 301 and is equivalent to bearing preferably, bearing 14 is also mounted in the present embodiment in embedding slot 21
14,301 two components of section are embedded in be axially located in embedding slot 21 simultaneously.
Embodiment two
The difference between this embodiment and the first embodiment lies in the positioning column for matching positioning surface is not trip bolt, until
In by fixed fastener between first shell and second shell, still being trip bolt or other buckle structures.
Positioning column in the present embodiment is positioning pin, and positioning pin is that the mode of inserting inserts in embedding slot, in order to anti-
Only positioning pin is detached from from embedding slot, can be fastened with fastener, such as a catching groove, positioning pin are arranged in embedding slot
One elastic buckles of middle setting or elastic steel ball, when positioning pin is inserted into, elastic buckles or elastic steel ball coordinate with catching groove, position simultaneously
The side of pin is bonded matching with embedded section 301.Positioning pin can be straight pin or square pin etc..
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, is familiar with
The those skilled in the art should be understood that the present invention includes but not limited to attached drawing and interior described in specific implementation mode above
Hold.The modification of any function and structure principle without departing from the present invention is intended to be included in the range of claims.
Claims (10)
1. a kind of tail draws location structure, including tail to draw, the tail is pulled on equipped with the mounting groove for fixing driven object body, described
Tail drawing is installed on a cage connection and part is stretched out outside shell, which is characterized in that it includes being embedded in section that the tail, which is drawn, in the shell
Equipped with embedding slot, the embedded section is rotatably installed in embedding slot, and the peripheral side of the embedded section is equipped at least two positioning surfaces,
It further includes the positioning column of installation on the housing that the tail, which draws location structure, and the positioning column is packed into simultaneously outside shell
It is extending at least partially into the embedding slot, the side of the positioning column is bonded matching with the positioning surface, to limit the tail
Drawing circumferentially rotates.
2. tail as described in claim 1 draws location structure, which is characterized in that the shell includes first shell and second shell
Body, the positioning column are trip bolt, and the threaded portion of the trip bolt, which is used to fix first shell and second shell, to be connected
It connects, the side of the trip bolt is matched with the positioning surface.
3. tail as claimed in claim 2 draws location structure, which is characterized in that the positioning surface is the cambered surface of indent.
4. tail as claimed in claim 2 draws location structure, which is characterized in that at least two positioning surface is circumferentially uniformly distributed
In the peripheral side for being embedded in section.
5. tail as claimed in claim 4 draws location structure, which is characterized in that the positioning surface includes orientation, positioning column
Part is under positioning surface fit-state, and the orientation of positioning surface is parallel with the positioning axial direction of column, and adjacent positioned face is determined
Position direction intersects angle A, and the angle A is 20 °~180 °.
6. tail as claimed in claim 5 draws location structure, which is characterized in that fixed there are four being set on the peripheral side of the embedded section
Plane, the orientation angle of intersection between adjacent positioned face is 90 °.
7. tail as claimed in claim 5 draws location structure, which is characterized in that the mounting groove is bar-shaped trough, the bar-shaped trough
Inside, which is formed, inserts plane, and the orientation of at least one and inserting plane are perpendicular or parallel in the positioning surface.
8. tail as described in claim 1 draws location structure, which is characterized in that the embedded section is limited in the axial direction
In the embedding slot of shell.
9. tail as described in claim 1 draws location structure, which is characterized in that the positioning column is positioning pin, the positioning
In pin inserting to shell, and on the shell by fastener spiral-lock.
10. a kind of linear actuators, including shell, driving motor, geared worm, worm gear, lead screw and nut, which is characterized in that
The linear actuators draws location structure using the tail as described in one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810500503.3A CN108566037A (en) | 2018-05-23 | 2018-05-23 | A kind of tail draws location structure and linear actuators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810500503.3A CN108566037A (en) | 2018-05-23 | 2018-05-23 | A kind of tail draws location structure and linear actuators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108566037A true CN108566037A (en) | 2018-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810500503.3A Pending CN108566037A (en) | 2018-05-23 | 2018-05-23 | A kind of tail draws location structure and linear actuators |
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| Country | Link |
|---|---|
| CN (1) | CN108566037A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931981A (en) * | 2020-07-13 | 2022-01-14 | 埃韦利克斯公司 | Linear actuator, housing, actuation system and assembly method |
-
2018
- 2018-05-23 CN CN201810500503.3A patent/CN108566037A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931981A (en) * | 2020-07-13 | 2022-01-14 | 埃韦利克斯公司 | Linear actuator, housing, actuation system and assembly method |
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