CN207661081U - Axially driving push rod device - Google Patents
Axially driving push rod device Download PDFInfo
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- CN207661081U CN207661081U CN201721689243.6U CN201721689243U CN207661081U CN 207661081 U CN207661081 U CN 207661081U CN 201721689243 U CN201721689243 U CN 201721689243U CN 207661081 U CN207661081 U CN 207661081U
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- lead screw
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Abstract
The utility model is related to axially driving push rod device, with solid lead screw, outer tube, driving tube, the hollow lead screw in outer tube, the hollow lead screw nut mounted on driving tube upper end, the solid feed screw nut mounted on outer tube upper end and mounted on solid screw lower end and with hollow lead screw inner hole wall pass through key and keyway driving cooperation screw connecting piece, solid feed screw nut is located on solid lead screw and coordinates with solid lead screw screw drives, and hollow lead screw nut collar coordinates in hollow lead screw and with hollow lead screw screw drives；The upper end of hollow lead screw is equipped with first bearing, and the muscle or convex closure of the convex that axial limiting is formed to the first bearing in hollow lead screw are provided on outer tube, and first bearing carries out axial limiting to hollow lead screw.The space structure of the axially driving push rod device is compact, and axial space design flexibility is high, meets more client's installation requirements.
Description
Technical field
The utility model is related to a kind of axially driving push rod device.
Background technology
Currently, axially driving push rod is extensively using on intelligent devices, existing axially driving push rod is adopted mostly in the market
Solid feed screw nut is connected with hollow lead screw with plastic connection type.
See Fig. 1, wherein it is that the helicitic texture of solid feed screw nut is mounted on to the top of hollow lead screw to have a kind of (A classes),
Axial restraint is carried out by the buckle structure of solid feed screw nut and hollow lead screw simultaneously, solid feed screw nut is allowed in this way and accounts for
It is larger according to axial space, while solid feed screw nut is complicated, cost of parts is high, and axial gap management and control requires height, buckle easy
Disconnected, rigid is bad, installation procedure trouble.
See Fig. 2, in addition a kind of (B classes) is also that the helicitic texture of solid feed screw nut is mounted on to the top of hollow lead screw,
By two plastic half encase solid feed screw nut and part hollow lead screw simultaneously, beat tapping screw and lock, in this way but also
It is larger that solid feed screw nut occupies axial space, and structure installs that part is more, and installation steps are cumbersome so that push rod cost is too high.
Intelligent elevated device currently on the market is required according to the difference of client, and external lifting pipe is divided into two kinds of structures
State：
See Fig. 3, it is a kind of to be known as just setting structure, exactly when push rod device is in extended configuration, the liter from ground to desktop
Drop pipe is followed successively by outer tube assembly, intermediate tube assembly and inner tube group.
See Fig. 4, another kind is known as inverted structure, exactly when push rod device is in extended configuration, from ground to desktop
Lifting pipe is followed successively by interior tube assembly, intermediate tube assembly and outer tube assembly.
In order to meet the requirement of client's difference, the structure type of push rod device there is diversity, increase push rod device
Manufacturing cost and management cost.
Invention content
The technical problems to be solved in the utility model is：In order to overcome the deficiencies in the prior art, provide it is a kind of at
This is low, space structure is compact, axial space design flexibility is high, meets the axially driving push rod dress of more client's installation requirements
It sets.
Technical solution adopted by the utility model to solve its technical problems is：Axially driving push rod device has solid
Lead screw, outer tube, driving tube, the hollow lead screw in outer tube, mounted on driving tube upper end hollow lead screw nut, be mounted on
The solid feed screw nut of outer tube upper end and mounted on solid screw lower end and passes through key and keyway with hollow lead screw inner hole wall and drive
The screw connecting piece of dynamic cooperation, solid feed screw nut is located on solid lead screw and coordinates with solid lead screw screw drives, hollow
Feed screw nut is located in hollow lead screw and coordinates with hollow lead screw screw drives；The upper end of hollow lead screw is equipped with first axle
It holds, the muscle or convex closure of the convex for forming axial limiting to the first bearing in hollow lead screw, first bearing pair is provided on outer tube
Hollow lead screw carries out axial limiting；Solid lead screw power source effect under rotate, outer tube under the action of solid feed screw nut with
Solid lead screw carries out opposite linear motion, hollow lead screw under the driving of screw connecting piece transfer in solid lead screw, driving tube
Under the action of hollow lead screw nut opposite linear motion is carried out with hollow lead screw.
It further limits, the solid feed screw nut is in step shaft-like, the screw thread knot of solid feed screw nut's minor diameter
Structure is embedded in hollow lead screw.The partial thread formation of solid feed screw nut is embedded in hollow lead screw, by solid lead screw spiral shell
Female partial thread formation is Chong Die with hollow lead screw part-structure, saves axial space.
It further limits, the push rod device also has axle sleeve, bearing baffle, second bearing and bearing block, axle sleeve
It is fixed on the power intake of solid lead screw, bearing sleeve is located at the outside of axle sleeve, and second bearing is arranged in the inside of bearing block,
Second bearing forms axial constraint power to axle sleeve, and bearing baffle lid is located on bearing block, and bearing baffle forms axis to second bearing
To restraining force；When power source active force is on axle sleeve, axle sleeve is set to rotate, axle sleeve is to solid lead screw input power.Axle sleeve passes through certainly
Screw is attacked to be fastenedly connected with solid wire rod thread.
It further limits, there are the bearing block several pawls, bearing baffle to have several holes, several pawls of bearing block
Across bearing baffle several holes and cut riveting flange to several pawls makes bearing block be riveted with bearing baffle, form component, it is real
Now to the axial constraint power of axle sleeve, which can eliminate the axial gap of push rod device, and push rod device of eliminating the effects of the act uses peace
Complete and the service life axial float, at the same the structure design reduce it is smart to the processing of axial dimension about bearing baffle, bearing block
Degree requires.
It further limits, also there is the push rod device inclusion to be used to be fixedly connected with external lifting pipe in outer tube outer wall
Outer tube fixing sleeve and inclusion be used for the driving tube fixing sleeve that is fixedly connected with external lifting pipe in driving pipe outer wall, outer tube is outside
Not transfer is in solid lead screw under the action of pipe fixing sleeve, driving tube under the action of driving tube fixing sleeve not transfer in air silk
Bar.
It further limits, the outer tube fixing sleeve is mainly made of two and half slice structures, and two and half slice structures are logical
The mode for crossing key includes on outer tube outer wall, and key is both provided on the inner wall of each half slice structure, and the end of outer tube is set
It is equipped with mounting hole, is embedded into mounting hole by the positioning of realization half slice structure and outer tube by key matching.
It further limits, the outer tube both ends are both provided with the mounting hole for assembling outer tube fixing sleeve, so as to same
Shi Shiying is assemblied in the intermediate tube assembly bottom supporting beam for just setting structure and the intelligent elevated device of inverted structure.I.e. according to practical feelings
Condition demand adjusts outer tube fixing sleeve position, realizes the installation versatility of two kinds of lifting pipe structures of entire push rod device.
It further limits, the driving tube fixing sleeve is mainly made of two and half slice structures, two and half slice structures
It is included by way of key in driving pipe outer wall, key is both provided on the inner wall of each half slice structure, driving tube
End set has mounting hole, is embedded into mounting hole by the positioning of realization half slice structure and driving tube by key matching.It does not account for
With the space in driving tube, hollow lead screw and solid lead screw can be made longer, realize that the axial space of entire push rod device is tighter
It gathers.
Further limiting, the keyway circumferential length of the driving tube is longer than the key circumferential length of driving tube fixing sleeve,
Driving tube fixing sleeve does the rotation of angled limitation around driving tube.
It further limits, is provided with locating slot on solid feed screw nut's side wall, convex is provided on outer tube wall
Positioning bar or positioning convex closure, by positioning bar or positioning convex closure matching be embedded into locating slot by realize outer tube and solid lead screw
The positioning of nut.
The utility model has the beneficial effects that：The axially driving push rod device has the following advantages：
(1) by outer tube be arranged to hollow lead screw formed axial constraint power muscle or convex closure, to realize outer tube with
The axially position of hollow lead screw, and then the axial movement of hollow lead screw and outer tube cooperation is limited, the portion of push rod device can be saved
Divide axial space, axial space design flexibility is high, meets the installation requirement of more clients；Meanwhile outer tube directly to bearing into
Row positioning, keeps transverse spatial structure compact, and 1.05, " (English system) can be used to horizontal space the control of push rod minimum diameter
On smaller intelligent elevated office furniture, meet the installation requirement of more clients；
(2) it by the way that the partial thread formation of solid feed screw nut to be embedded in the hollow pipe of hollow lead screw, can save
The part axial space of push rod device so that the space structure of push rod device is compact；
(3) in power source built-in structure push rod device, according to the standard of office furniture association of the U.S. (BIFMA)
22.6 "~48.7 " (English systems), the axial space of this push rod device is compact, flexible design advantage then becomes apparent, can be abundant
The corresponding standard of correlation for meeting office furniture association of the U.S. (BIFMA).
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments described in the application, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the existing axially driving push rod of A classes；
Fig. 2 is the structural schematic diagram of the existing axially driving push rod of B classes；
Fig. 3 is that existing intelligent elevated device just sets structural schematic diagram；
Fig. 4 is the inverted structure schematic diagram of existing intelligent elevated device；
Fig. 5 is the structural schematic diagram of the axially driving push rod device of the utility model；
Fig. 6 is the stretching, extension schematic diagram of the axially driving push rod device of the utility model；
Fig. 7 is the contraction schematic diagram of the axially driving push rod device of the utility model；
Fig. 8 is that bearing baffle rivets schematic diagram with bearing block；
Fig. 9 is that axially driving push rod device applies the schematic diagram in the intelligent elevated device for just setting structure；
Figure 10 is that axially driving push rod device applies the schematic diagram in the intelligent elevated device of inverted structure；
Figure 11 is schematic diagram of the axially driving push rod device under the power plant driving built in power source.
In figure：1-circlip for shaft；2-beams；3-solid lead screws；4-screw connecting pieces；5-shaft retaining rings；
6-solid feed screw nuts；7-first bearings；8-hollow lead screws；9-hollow lead screw beams；10-gaskets；11-baffle rings；
12-outer tubes；13-outer tube fixing sleeves；14-hollow lead screw nuts；15-driving tubes；16-driving tube fixing sleeves；17-axis
Set；18-bearing baffles；19-second bearings；20-bearing blocks；21-bearing spiders；22-the first outer tubing string；23-the first
Middle tubing string；Tubing string in 24-the first；25-reduction boxes；26-the first direct current generator；27-the second outer tubing string；28-the second middle pipe
Column；Tubing string in 29-the second；30-the second direct current generator.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
See Fig. 5, Fig. 6 and Fig. 7, axially driving push rod device, have circlip for shaft 1, beam 2, solid lead screw 3,
Screw connecting piece 4, shaft retaining ring 5, solid feed screw nut 6, first bearing 7, hollow lead screw 8, hollow lead screw beam 9, gasket 10,
Baffle ring 11, outer tube 12, outer tube fixing sleeve 13, hollow lead screw nut 14, driving tube 15, driving tube fixing sleeve 16, axle sleeve 17, bearing
Baffle 18, second bearing 19, bearing block 20 and bearing spider 21.
Hollow lead screw 8 is mounted in outer tube 12, and hollow lead screw nut 14 is mounted on 15 upper end of driving tube, solid feed screw nut
6 are mounted on 12 upper end of outer tube, and screw connecting piece 4 is mounted on 3 lower end of solid lead screw and passes through key and key with 8 inner hole wall of hollow lead screw
Slot driving cooperation, solid feed screw nut 6 are located on solid lead screw 3 and coordinate with 3 screw drives of solid lead screw, hollow lead screw spiral shell
Mother 14 is located in hollow lead screw 8 and coordinates with 8 screw drives of hollow lead screw, and the upper end of hollow lead screw 8 is equipped with first bearing
7, the muscle or convex closure of the convex that axial limiting is formed to the first bearing 7 in hollow lead screw 8, first bearing are provided on outer tube 12
7 pairs of hollow lead screws 8 carry out axial limiting, to limit the axial movement that hollow lead screw 8 coordinates with outer tube 12, can save push rod
The part axial space of device, axial space design flexibility is high, meets the installation requirement of more clients；Meanwhile making lateral sky
Between it is compact-sized, can use to horizontal space, on smaller intelligent elevated office furniture, the installation for meeting more clients is wanted
It asks.Wherein, muscle or convex closure can directly be made through the stamping process, can also pass through the combination of two kinds of technique of wire cutting and punching press
It is made, naturally it is also possible to be made of other techniques.
Solid lead screw 3 power source effect under rotate, outer tube 12 under the action of solid feed screw nut 6 with solid lead screw 3
Opposite linear motion is carried out, transfer is in solid lead screw 3 under the driving of screw connecting piece 4 for hollow lead screw 8, and driving tube 15 is in sky
Under the action of heart feed screw nut 14 opposite linear motion is carried out with hollow lead screw 8.
Solid feed screw nut 6 is in step shaft-like, and the helicitic texture of 6 minor diameter of solid feed screw nut is embedded in hollow lead screw
In 8.Solid feed screw nut 6 partial thread formation insertion hollow lead screw 8 in, by 6 partial thread formation of solid feed screw nut with
8 part-structure of hollow lead screw is overlapped, and saves axial space.
Push rod device also has the outer tube fixing sleeve 13 that inclusion is used to be fixedly connected with external lifting pipe in 12 outer wall of outer tube,
The outside lifting pipe is the intermediate tube assembly of outside.Also there is push rod device inclusion to be used to lift with outside in 15 outer wall of driving tube
The driving tube fixing sleeve 16 that pipe is fixedly connected, the outside lifting pipe are the outer tube assembly of outside.Outer tube 12 is in outer tube fixing sleeve
Not transfer is in solid lead screw 3 under the action of 13, driving tube 15 under the action of driving tube fixing sleeve 16 not transfer in hollow lead screw
8。
Outer tube fixing sleeve 13 is mainly made of two and half slice structures, and two and half slice structures include peace by way of key
On 12 outer wall of outer tube, key is both provided on the inner wall of each half slice structure, the end set of outer tube 12 has mounting hole, leads to
Key matching is crossed to be embedded into mounting hole and the positioning of realization half slice structure and outer tube 12.
Driving tube fixing sleeve 16 is mainly made of two and half slice structures, and two and half slice structures are included by way of key
On 15 outer wall of driving tube, key is both provided on the inner wall of each half slice structure, the end set of driving tube 15 has peace
Hole is filled, is embedded into mounting hole by the positioning of realization half slice structure and driving tube 15 by key matching.It is not take up driving tube 15
Interior space can make hollow lead screw 8 and solid lead screw 3 longer, realize that the axial space of entire push rod device is more compact.
The keyway circumferential length of driving tube 15 is longer than the key circumferential length of driving tube fixing sleeve 16, driving tube fixing sleeve 16 around
The rotation that driving tube 15 does angled limitation.Driving tube fixing sleeve 16 is fixed on bottom of the tube assembly outside outside by tapping screw
Supporting beam on, to avoid mounting hole on driving tube fixing sleeve 16 and the threaded hole in the supporting beam of external outer bottom of the tube assembly
The inaccurate problem of contraposition occurs, therefore the mounting hole on driving tube fixing sleeve 16 is designed to waist hole, and it is solid to adjust driving tube by rotation
Surely it covers 16 and realizes the alignment between Kong Yukong.
Meanwhile a shallow slot is designed on half slice structure of each of driving tube fixing sleeve 16, the setting of shallow slot is convenient for
Limit the lubricating oil leakage that driving tube 15 oozes out.
It is provided with locating slot on 6 side wall of solid feed screw nut, positioning bar or the positioning of convex are provided on 12 side wall of outer tube
Convex closure matches the positioning that outer tube 12 and solid feed screw nut 6 are realized by being embedded into locating slot by positioning bar or positioning convex closure.
Wherein, positioning bar or positioning convex closure can directly be made through the stamping process, can also pass through two kinds of techniques of wire cutting and punching press
Combination be made, naturally it is also possible to be made of other techniques.
Screw connecting piece 4 has the internal spline being connected with solid lead screw 3 and the outer flower being connected with hollow lead screw 8
Key, solid lead screw 3 realize solid lead screw 3 and hollow lead screw 8 by the way that screw connecting piece 4 imparts power to hollow lead screw 8
It rotates synchronously, internal spline therein is involute spline or serration.
Bearing spider 21 is fixed on solid lead screw 3, and axle sleeve 17 is fixed on the power intake of solid lead screw 3, axle sleeve 17
It is connect with 3 screw threads for fastening of solid lead screw by tapping screw, bearing block 20 is set in the outside of axle sleeve 17, and bearing block 20 is fixed on
On bearing spider 21, second bearing 19 is arranged in the inside of bearing block 20, and second bearing 19 forms axial constraint power to axle sleeve 17,
The lid of bearing baffle 18 is located on bearing block 20, and bearing baffle 18 forms axial constraint power to second bearing 19；When power source acts on
Power makes axle sleeve 17 rotate, axle sleeve 17 is to 3 input power of solid lead screw on axle sleeve 17.
Axis elastic washer 1 and beam 2 are arranged the power intake at the top of solid lead screw 3, axis elastic washer 1
Between the two in bearing spider 21 and beam 2.The power output end in 3 bottom of solid lead screw is arranged in shaft retaining ring 5.Hollow lead screw
Beam 9, gasket 10 and baffle ring clamp spring 11 are successively set on the bottom of hollow lead screw 8 from top to bottom.
See that there are several pawls, bearing baffle 18 there are several holes, several pawls of bearing block 20 to pass through axis by Fig. 8, bearing block 20
It holds the several holes of baffle 18 and cut riveting flange to several pawls makes bearing block 20 be riveted with bearing baffle 18, form component, it is real
Now to the axial constraint power of axle sleeve 17, which can eliminate the axial gap of push rod device, and push rod device of eliminating the effects of the act uses
The axial float of safety and service life, while the structure design is reduced about bearing baffle 18, bearing block 20 to axial dimension
Requirement on machining accuracy.
See Fig. 9, installing box body with power when interior tube assembly is fixedly connected, then just to set the intelligent elevated device of structure, directly
Galvanic electricity machine is located at the inside of power installation box body, and bearing baffle 18 is installed box body screw threads for fastening by tapping screw and power and connected
It connects.
See Figure 10, installing box body with power when outer tube assembly is fixedly connected, then is the intelligent elevated device of inverted structure, directly
Galvanic electricity machine is located at the inside of power installation box body, and bearing baffle 18 is installed box body screw threads for fastening by tapping screw and power and connected
It connects.
See that Fig. 9 and Figure 10,12 both ends of outer tube are both provided with the mounting hole for assembling outer tube fixing sleeve 13, to fit simultaneously
It should be assemblied in the intermediate tube assembly bottom supporting beam for just setting structure and the intelligent elevated device of inverted structure.I.e. according to actual conditions need
Adjustment outer tube fixing sleeve position is asked, realizes the installation versatility of two kinds of lifting pipe structures of entire push rod device.
See that Figure 11, push rod device are acted under the driving effect of power plant, when power plant is using in power source
Formula structure is set, power plant includes that tubing string 24, reduction box 25 and first are straight in tubing string 23, first in the first outer tubing string 22, first
Galvanic electricity machine 26, driving tube fixing sleeve 16 are fixed on by tapping screw in the supporting beam of 22 bottom of the first outer tubing string, and outer tube is fixed
Set 13 is fixed on by tapping screw in first in the supporting beam of 23 bottom of tubing string, and the telescopic setting of tubing string 23 is the in first
In one outer tubing string 22, for the telescopic setting of tubing string 24 in first in tubing string 23, solid lead screw 3 is built in the first inner tube in first
The inside of column 24, reduction box 25 and the first direct current generator 26 are respectively positioned in first in tubing string 24, and the first direct current generator 26 is as dynamic
The driving push rod device movement of power source.
See that Fig. 9, push rod device are acted under the driving effect of power plant, when power plant is external using power source
Formula structure, power plant include tubing string 29 and the second direct current generator 30, drive in tubing string 28, second in the second outer tubing string 27, second
Dynamic pipe fixing sleeve 16 is fixed on by tapping screw in the supporting beam of 27 bottom of the second outer tubing string, and outer tube fixing sleeve 13 passes through self tapping
Screw is fixed in second in the supporting beam of 28 bottom of tubing string, and tubing string 28 is telescopic in second is arranged in the second outer tubing string 27
In, for the telescopic setting of tubing string 29 in second in tubing string 28, the part of solid lead screw 3 is placed outside tubing string 29 in second in second
Outside, the second direct current generator 30 is located at the outside of tubing string 29 in second, and the second direct current generator 30 is used as power source drive push rod device
Movement.
It is above-described, the only preferable specific implementation mode of the utility model, but the scope of protection of the utility model is simultaneously
It is not limited to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this reality
It is subject to equivalent substitution or change with novel technical solution and its utility model design, should all covers the protection in the utility model
Within the scope of.
Claims (10)
1. axially driving push rod device, it is characterised in that：With solid lead screw (3), outer tube (12), driving tube (15), it is mounted on
Hollow lead screw (8) in outer tube (12), is mounted on outer tube (12) at the hollow lead screw nut (14) for being mounted on driving tube (15) upper end
The solid feed screw nut (6) of upper end and mounted on solid lead screw (3) lower end and passing through key and key with hollow lead screw (8) inner hole wall
Slot driving cooperation screw connecting piece (4), solid feed screw nut (6) be located on solid lead screw (3) and with solid lead screw (3) spiral shell
Rotation driving cooperation, hollow lead screw nut (14) are located in hollow lead screw (8) and coordinate with hollow lead screw (8) screw drives；
The upper end of hollow lead screw (8) is equipped with first bearing (7), is provided on outer tube (12) to first in hollow lead screw (8)
Bearing (7) forms the muscle or convex closure of the convex of axial limiting, and first bearing (7) carries out axial limiting to hollow lead screw (8)；
Solid lead screw (3) power source effect under rotate, outer tube (12) under the action of solid feed screw nut (6) with solid lead screw
(3) opposite linear motion is carried out, hollow lead screw (8) transfer under the driving of screw connecting piece (4) is driven in solid lead screw (3)
Dynamic pipe (15) carries out opposite linear motion under the action of hollow lead screw nut (14) with hollow lead screw (8).
2. axially driving push rod device according to claim 1, it is characterised in that：The solid feed screw nut (6) is in
The helicitic texture of step shaft-like, solid feed screw nut (6) minor diameter is embedded in hollow lead screw (8).
3. axially driving push rod device according to claim 1, it is characterised in that：The push rod device also has axle sleeve
(17), bearing baffle (18), second bearing (19) and bearing block (20), axle sleeve (17) are fixed on the power of solid lead screw (3)
Input terminal, bearing block (20) are set in the outside of axle sleeve (17), and second bearing (19) setting is in the inside of bearing block (20), and second
Bearing (19) forms axial constraint power to axle sleeve (17), and bearing baffle (18) lid is located on bearing block (20), bearing baffle (18)
Axial constraint power is formed to second bearing (19)；When power source active force is on axle sleeve (17), axle sleeve (17) is set to rotate, axle sleeve
(17) to solid lead screw (3) input power.
4. axially driving push rod device according to claim 3, it is characterised in that：The bearing block (20) has several
There are several holes, several pawls of bearing block (20) to pass through the several holes of bearing baffle (18) and to several for pawl, bearing baffle (18)
Pawl, which cut riveting flange, makes bearing block (20) be riveted with bearing baffle (18).
5. axially driving push rod device according to claim 1, it is characterised in that：The push rod device also has inclusion
The outer tube fixing sleeve (13) and inclusion for being used to be fixedly connected with external lifting pipe in outer tube (12) outer wall are in driving tube (15) outer wall
Driving tube fixing sleeve (16) for being fixedly connected with external lifting pipe.
6. axial drive means according to claim 5, it is characterised in that：The outer tube fixing sleeve (13) is by two and half
Slice structure is constituted, and is both provided with key on the inner wall of each half slice structure, the end set of outer tube (12) has mounting hole, passes through
Key matching is embedded into mounting hole and the positioning of realization half slice structure and outer tube (12).
7. axial drive means according to claim 5 or 6, it is characterised in that：Described outer tube (12) both ends are respectively provided with
It is useful for the mounting hole of assembly outer tube fixing sleeve (13), to adapt to be assemblied in simultaneously just to set structure and inverted structure is intelligent elevated
In the intermediate tube assembly bottom supporting beam of device.
8. axially driving push rod device according to claim 5, it is characterised in that：The driving tube fixing sleeve (16) by
Two and half slice structures are constituted, and are both provided with key on the inner wall of each half slice structure, the end set of driving tube (15) has peace
Hole is filled, is embedded into mounting hole by the positioning of realization half slice structure and driving tube (15) by key matching.
9. the axially driving push rod device according to claim 5 or 8, it is characterised in that：The key of the driving tube (15)
Slot circumferential length is longer than the key circumferential length of driving tube fixing sleeve (16), and driving tube fixing sleeve (16) is made to be done around driving tube (15)
The rotation of angled limitation.
10. according to any axially driving push rod device of claims 1 or 2, it is characterised in that：The solid lead screw spiral shell
It is provided with locating slot on female (6) side wall, the positioning bar or positioning convex closure of convex are provided on outer tube (12) side wall, passes through positioning bar
Or positioning convex closure matches the positioning for being embedded into locating slot and realizing outer tube (12) and solid feed screw nut (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721689243.6U CN207661081U (en) | 2017-12-07 | 2017-12-07 | Axially driving push rod device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721689243.6U CN207661081U (en) | 2017-12-07 | 2017-12-07 | Axially driving push rod device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207661081U true CN207661081U (en) | 2018-07-27 |
Family
ID=62940882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721689243.6U Active CN207661081U (en) | 2017-12-07 | 2017-12-07 | Axially driving push rod device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207661081U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021184838A1 (en) * | 2020-03-19 | 2021-09-23 | 常州市凯迪电器股份有限公司 | Smart lifting column transmission system assembly |
| CN114451751A (en) * | 2022-04-11 | 2022-05-10 | 常州市凯迪电器股份有限公司 | Drive assembly of linear driver, linear driver and electric lifting seat |
-
2017
- 2017-12-07 CN CN201721689243.6U patent/CN207661081U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021184838A1 (en) * | 2020-03-19 | 2021-09-23 | 常州市凯迪电器股份有限公司 | Smart lifting column transmission system assembly |
| CN114451751A (en) * | 2022-04-11 | 2022-05-10 | 常州市凯迪电器股份有限公司 | Drive assembly of linear driver, linear driver and electric lifting seat |
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