CN110307316A - A kind of electric pushrod - Google Patents
A kind of electric pushrod Download PDFInfo
- Publication number
- CN110307316A CN110307316A CN201910685734.0A CN201910685734A CN110307316A CN 110307316 A CN110307316 A CN 110307316A CN 201910685734 A CN201910685734 A CN 201910685734A CN 110307316 A CN110307316 A CN 110307316A
- Authority
- CN
- China
- Prior art keywords
- shell
- nut
- electric pushrod
- tube body
- inner tube
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000004033 plastic Substances 0.000 claims abstract description 17
- 229920003023 plastic Polymers 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000000945 filler Substances 0.000 claims description 19
- 210000004907 gland Anatomy 0.000 claims description 11
- 239000007769 metal material Substances 0.000 abstract description 12
- 239000002131 composite material Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 17
- 230000008901 benefit Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229920006324 polyoxymethylene Polymers 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 239000004697 Polyetherimide Substances 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 229920001601 polyetherimide Polymers 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 239000004605 External Lubricant Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
- F16H2025/249—Special materials or coatings for screws or nuts
Abstract
The present invention provides a kind of electric pushrod, including nut assembly, and the nut assembly includes the nut body of coaxial package, shell, the shell is in the outside of the nut body, the material of the shell is metal, and the material of the nut body is plastics, and the rigidity of the shell is greater than the nut body.A kind of electric pushrod of the invention, its nut assembly having uses composite construction, the service life of electric pushrod can effectively be extended, reduce driving power consumption, the nut body of plastic material can generate less heat simultaneously, and the heat generated can be effectively conducted by the shell of metal material and be removed, and be very beneficial for reducing the temperature generated inside nut assembly.
Description
Technical field
The invention belongs to linear actuators technical fields, and in particular to a kind of electric pushrod.
Background technique
Electric pushrod is one kind of linear actuators, is widely used in the neck such as household, medical treatment, vehicle, solar power generation
Domain, primary structure include driving motor, gear reduction mechanism, screw rod, nut etc., and wherein screw thread connects between nut and screw rod
It connects, when screw rod is driven to rotate, nut will drive the interior tube body being firmly connected with it to generate the movement relative to outer tube body, into
And realize the impetus of electric pushrod.The nut that current electric pushrod uses mostly uses all-plastic material or all-metal material
Matter, wherein the nut coefficient of friction of all-plastic material is low, high-efficient, but there are the lower deficiency of intensity, electric pushrod is caused to make
It is shorter with the service life；And then there is the deficiency of coefficient of friction height, low efficiency in the nut of all-metal, but have the advantages that intensity is high,
This causes the driving power consumption of electric pushrod larger.The nut of two kinds of materials respectively has advantage and disadvantage.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that providing a kind of electric pushrod, the nut assembly having is used
Composite construction can effectively extend the service life of electric pushrod, reduce driving power consumption.
To solve the above-mentioned problems, the present invention provides a kind of electric pushrod, including nut assembly, and the nut assembly includes
Nut body, the shell of coaxial package, the shell are in the outside of the nut body, and the material of the shell is metal, described
The material of nut body is plastics, and the rigidity of the shell is greater than the nut body.
Preferably, the shell has in its axial first end, and the first end is convex with extending towards inside
Edge, the shell also have second end corresponding with the first end, and the second end is connected with gland.
Preferably, it uses and is threadedly coupled between the nut body and the shell.
Preferably, the gland is threadedly coupled with the second end.
Preferably, the nut assembly further includes nut guide sleeve, and it is recessed to be provided with axial limiting on the periphery wall of the shell
Slot, the nut guide sleeve are installed in the axial limiting groove.
Preferably, it is gap-matched between the nut guide sleeve and the shell.
Preferably, the nut guide sleeve includes inner tube wall and the outer tube wall with inner tube wall coaxial arrangement, described outer
Pass through multiple link of boards between barrel and the inner tube wall.
Preferably, the outer tube wall is equipped with multiple boss, multiple boss along the shell it is circumferential uniformly between
Every setting.
Preferably, multiple grooves are formed in the multiple boss between two of arbitrary neighborhood, in multiple grooves
Magnet is installed at least one.
Preferably, the electric pushrod further includes interior tube body, outer tube body, screw rod, and the nut assembly screw thread is socketed on institute
It states on screw rod, said inner tube body is fixedly connected with the nut assembly, meanwhile, the nut assembly is also slided with the outer tube body
Connection, said inner tube body are equipped with interior oil filler point, and the outer tube body is equipped with outer oil filler point, the interior oil filler point and the outer note
Oilhole is conllinear in the axial direction of said inner tube body.
A kind of electric pushrod provided by the invention, the nut assembly include the nut body and metal material using plastic material
The composite construction of the shell of matter makes the advantage together as one of all-plastic material in the prior art Yu all-metal material, sufficiently sends out
The low-friction coefficient between plastic material and screw rod has been waved, the power consumption of electric pushrod is reduced, metal material is connect with interior tube body
High-intensitive advantage extends the service life of electric pushrod, while the nut body of plastic material can generate less heat, and produce
Raw heat can be effectively conducted by the shell of metal material and be removed, and be very beneficial for reducing the temperature generated inside nut assembly
Degree.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram of the electric pushrod of the embodiment of the present invention；
Fig. 2 is the schematic perspective view of the nut assembly in Fig. 1；
Fig. 3 is the partial enlarged view in Fig. 2 at D；
Fig. 4 is the internal view of Fig. 2；
Fig. 5 is the partial enlarged view in Fig. 1 at A；
Fig. 6 is the partial enlarged view in Fig. 1 at B；
Fig. 7 is the partial enlarged view in Fig. 1 at C.
Appended drawing reference indicates are as follows:
1, nut body；2, shell；21, flange；22, axial limiting groove；3, gland；4, nut guide sleeve；41, inner tube wall；
42, outer tube wall；43, gusset；44, boss；45, groove；46, magnet；10, interior tube body；101, interior oil filler point；20, outer tube body；
201, outer oil filler point；202, plug screw；30, screw rod；40, dustband；401, wear-resisting ring；402, dust-collecting cavity；403, O-ring；50, nothing
Brush motor；501, pcb board；502, cable plug connector.
Specific embodiment
In conjunction with referring to shown in Fig. 1 to Fig. 7, according to an embodiment of the invention, providing the present invention provides a kind of electric pushrod, wrap
Interior tube body 10, outer tube body 20, screw rod 30, nut assembly are included, the nut assembly screw thread is socketed on the screw rod 30, described interior
Tube body 10 is fixedly connected with the nut assembly, meanwhile, the nut assembly is also slidably connected with the outer tube body 20, the spiral shell
Female component includes the nut body 1 of coaxial package, shell 2, and the shell 2 is in the outside of the nut body 1, the shell 2
Material is metal, and the material of the nut body 1 is plastics, and the rigidity of the shell 2 is greater than the nut body 1, at this point it is possible to
Understand, the screw rod 30 is threadedly coupled with the nut body 1, and the shell 2 is then fixedly connected with said inner tube body 10.It should
In technical solution, the nut assembly includes the composite construction using the nut body 1 of plastic material and the shell 2 of metal material,
The advantage together as one for making all-plastic material in the prior art Yu all-metal material, has given full play to plastic material and screw rod 30
Between low-friction coefficient, reduce the power consumption of electric pushrod, the high-intensitive advantage that metal material is connect with interior tube body 10 extends electricity
The service life of dynamic push rod, while the nut body of plastic material can generate less heat, and the heat generated can pass through
The shell of metal material, which is effectively conducted, to be removed, and is very beneficial for reducing the temperature generated inside nut assembly.Metal material above-mentioned
Matter can have the metal of higher stiffness and hardness for example for stainless steel, steel alloy etc., and plastic material is then excellent using having
Thermal stability and mechanical property special plastic, such as PEEK (polyether-ether-ketone), PPS (polyphenylene sulfide), PEI (polyetherimide
Amine) etc..
A variety of different connection types, such as the side of interference fit can be used between the nut body 1 and the shell 2
Formula, but being interference fitted connection makes packaging technology become complicated, and is unfavorable for the maintenance of the replacement after subsequent consume, it is therefore, best,
Between the nut body 1 and the shell 2 can using being threadedly coupled, the assembling for simplifying nut assembly of high degree with tear open
It unloads, certainly, in order to further increase the connection reliability of the nut body 1, in the screw thread of the nut body 1 and the shell 2
It is that one kind preferably selects that screw thread glue is smeared in connection mating surface, is specifically manufacturing aspect, the inner hole of the nut body 1 can
Unthreaded hole is thought, again to the light of the nut body 1 after being threadedly coupled between nut body 1 and the shell 2 with unthreaded hole and is cementing
The processing of hole progress trapezoidal thread.Further, the shell 2 has in its axial first end, and the first end has
The flange 21 extended towards inside, the shell 2 also have second end corresponding with the first end, the second end connection
There is gland 3.At this point, the accommodating chamber of the nut body 1 is formed between the flange 21 and the gland 3, that is, the nut body
1 is limited between the flange 21 and the gland 3 in the axial direction of the shell 2.Further, the gland 3 with
The second end is threadedly coupled, specifically, external screw thread is provided in the outer peripheral sidewall of the shell 2, and the gland 3 is then formed
There is corresponding internal screw thread.It is understood that the through-hole that screw mandrel 30 is walked is configured on the gland 3, and the through-hole
Aperture then should be less than the outer diameter of the nut body 1, to form a kind of limit in axial direction to the nut body 1.
The nut assembly further includes nut guide sleeve 4, is provided with axial limiting groove 22 on the periphery wall of the shell 2,
The nut guide sleeve 4 is installed in the axial limiting groove 22.Namely the nut guide sleeve 4 is independent independently of the shell 2
Design, in this way, can to nut guide sleeve 4 material adaptability selection, for example, by using moulding make, without select metal, this
Sample can greatly reduce the processing and fabricating cost of the shell 2 of metal material, best, and the nut guide sleeve 4 uses POM
(polyformaldehyde, polyformaldehyde thermoplastic crystalline polymer) production, intensity and rigidity with higher, and have compared with
High wear-resisting property is highly suitable for the operating condition that there is relative friction to slide.
In order to promote sliding smoothness of the nut assembly in the outer tube body 20, prevent stuck in sliding process
Phenomenon occurs, it is preferable that is gap-matched between the nut guide sleeve 4 and the shell 2, as a result, 4 energy of nut guide sleeve
It is enough to be rotated freely in the axial limiting groove 22 in the case where axial displacement is determined, namely around the axis of the screw rod 30
Line rotation, adapts to the path deviation of glide direction to the greatest extent.
A kind of specific embodiment as the nut guide sleeve 4, it is preferable that the nut guide sleeve 4 includes inner tube wall 41
And the outer tube wall 42 with the inner tube wall 41 coaxial arrangement, pass through multiple muscle between the outer tube wall 42 and the inner tube wall 41
Plate 43 connects, that is, the nut guide sleeve 4 is not a complete entity, but one has the cylinder that is coaxially socketed, and column
The intracorporal multiple gussets 43 of the wall of body then form hollowed out area, and this structure is reduced in the quality for reducing the nut guide sleeve 4
Outside the 4 increased mass inertias of institute of the nut guide sleeve, additionally it is possible to promote the non-deformability of its own, it is relatively reliable in structure.
The outer tube wall 42 is equipped with multiple boss 44, multiple boss 44 along the shell 2 it is circumferential uniformly between
Every setting, the multiple boss 44, which then respectively corresponds, to be arranged on the outer tube body 20 in corresponding slideway, uniform intervals setting
Structure balances the stress of the nut guide sleeve 4 more, slides more smooth.Preferably, any phase in the multiple boss 44
Multiple grooves 45 are formed between adjacent two, are installed with magnet 46 at least one of multiple described grooves 45.The magnetic
The setting purpose of iron 46 is on outer tube body 20 there is Hall element to carry out pairing induction, to detect said inner tube body 10 and institute
The relative positional relationship between outer tube body 20 is stated, and then controls the operation of the driving part of the electric pushrod.
Need to be lubricated operation between the screw rod 30 and the nut assembly, to guarantee the threaded connection pair more
Low-friction coefficient, but lubricating system in the prior art is needed correlations such as said inner tube body 10, outer tube body 20 and screw rods 30
Add lubricant medium after component disassembly, this mode is obviously time-consuming and laborious, and in order to solve this problem, the present invention is in said inner tube body
10 are equipped with interior oil filler point 101, the outer tube body 20 is equipped with outer oil filler point 201, are thus needing to fill lubricant medium for example
When lubricating oil, it is only necessary to the outer oil filler point 201 is directed at by oil nozzle, it is described in 10 sliding process of said inner tube body
Outer oil filler point 201 will be concentric opposite with the interior oil filler point 101, that is, the interior oil filler point 101 and the outer oil filler point 201
Conllinear in the axial direction of said inner tube body 10, thus external lubricant medium will be via the outer oil filler point 201, interior oil filler point
101 enter 30 position of screw rod, and then realize the lubrication in the thread binding face between screw rod 30 and the nut body 1, best,
When without filling lubricating oil, plug screw 202 is screwed in the outer oil filler point 201, to prevent external dust impurity etc. via described
Outer oil filler point 201 enters inside said inner tube body 10.
Between said inner tube body 10 and the outlet end cap of the outer tube body 20 be equipped with dustband 40, the dustband 40 it is interior
Side is additionally provided with wear-resisting ring 401, has the first spacing, first spacing between the wear-resisting ring 401 and the dustband 40
Dust-collecting cavity 402 is collectively formed with said inner tube body 10 and end cap inside, it is embedding that the inner sidewall of the wear-resisting ring 401 is equipped with first
Slot, the lateral wall that O-ring 403 and/or the wear-resisting ring 401 are equipped in first caulking groove are equipped with the second caulking groove, and described the
O-ring 403 is equipped in two caulking grooves.The material of the wear-resisting ring 401 for example can be PTFE, and the material of the O-ring 403 can be with
For polyurethane.
The electric pushrod further includes driving device, such as brushless motor 50, and the tail portion of the brushless motor 50 is provided with
Pcb board 501, the pcb board are equipped with multiple cable plug connectors 502, can be by the control of the external or described brushless motor 50
And power cable is directly plugged on the cable plug connector 502, rapid and convenient and can prevent the brushless motor outlet quilt
It pulls, reduces the probability of cable damage, be convenient for modularized production.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.Above only
It is the preferred embodiment of the present invention, it is noted that for those skilled in the art, do not departing from this hair
Under the premise of bright technical principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as guarantor of the invention
Protect range.
Claims (10)
1. a kind of electric pushrod, including nut assembly, which is characterized in that the nut assembly includes the nut body of coaxial package
(1), shell (2), the shell (2) are in the outside of the nut body (1), and the material of the shell (2) is metal, the spiral shell
The material of parent (1) is plastics, and the rigidity of the shell (2) is greater than the nut body (1).
2. electric pushrod according to claim 1, which is characterized in that the shell (2) has first in its axial direction
End, the first end have the flange (21) extended towards inside, and the shell (2) also has corresponding with the first end
Second end, the second end are connected with gland (3).
3. electric pushrod according to claim 2, which is characterized in that adopted between the nut body (1) and the shell (2)
It is threadedly coupled.
4. electric pushrod according to claim 2, which is characterized in that the gland (3) is threadedly coupled with the second end.
5. electric pushrod according to claim 2, which is characterized in that the nut assembly further includes nut guide sleeve (4), institute
It states and is provided on the periphery wall of shell (2) axial limiting groove (22), it is recessed that the nut guide sleeve (4) is installed in the axial limiting
In slot (22).
6. electric pushrod according to claim 5, which is characterized in that between the nut guide sleeve (4) and the shell (2)
It is gap-matched.
7. electric pushrod according to claim 5, which is characterized in that the nut guide sleeve (4) include inner tube wall (41) with
And the outer tube wall (42) with the inner tube wall (41) coaxial arrangement, pass through between the outer tube wall (42) and the inner tube wall (41)
Multiple gusset (43) connections.
8. electric pushrod according to claim 7, which is characterized in that the outer tube wall (42) is equipped with multiple boss
(44), multiple boss (44) are arranged along the circumferential uniform intervals of the shell (2).
9. electric pushrod according to claim 8, which is characterized in that two of arbitrary neighborhood in the multiple boss (44)
Between formed multiple grooves (45), be installed with magnet (46) at least one of multiple described grooves (45).
10. electric pushrod according to any one of claim 1 to 9, which is characterized in that further include interior tube body (10), outer
Tube body (20), screw rod (30), the nut assembly screw thread are socketed on the screw rod (30), said inner tube body (10) and the spiral shell
Female component is fixedly connected, meanwhile, the nut assembly is also slidably connected with the outer tube body (20), and said inner tube body is set on (10)
Have interior oil filler point (101), the outer tube body (20) is equipped with outer oil filler point (201), the interior oil filler point (101) and the outer note
Oilhole (201) is conllinear in the axial direction of said inner tube body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910685734.0A CN110307316A (en) | 2019-07-28 | 2019-07-28 | A kind of electric pushrod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910685734.0A CN110307316A (en) | 2019-07-28 | 2019-07-28 | A kind of electric pushrod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110307316A true CN110307316A (en) | 2019-10-08 |
Family
ID=68082328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910685734.0A Pending CN110307316A (en) | 2019-07-28 | 2019-07-28 | A kind of electric pushrod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110307316A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923035A (en) * | 2021-01-29 | 2021-06-08 | 义乌市长新传动科技有限公司 | Novel transmission nut |
| CN113001105A (en) * | 2021-01-29 | 2021-06-22 | 义乌市长新传动科技有限公司 | Production process of novel high-performance nut |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102968127A (en) * | 2012-11-13 | 2013-03-13 | 四川钟顺太阳能开发有限公司 | Linear driving device and controlling and using method of linear driving device for solar tracker |
| CN103545978A (en) * | 2013-10-24 | 2014-01-29 | 南京工艺装备制造有限公司 | Electric pushing rod |
| CN103872841A (en) * | 2014-04-04 | 2014-06-18 | 成都瑞迪机械实业有限公司 | Electric straight line driving device |
| CN208010904U (en) * | 2018-03-10 | 2018-10-26 | 绍兴市汇能高科电脑有限公司 | A kind of push rod nut-screw fixation lubricating structure |
| CN208445417U (en) * | 2018-07-12 | 2019-01-29 | 浙江力耐得传动科技有限公司 | A kind of high intensity electric pushrod |
| CN208565464U (en) * | 2018-07-12 | 2019-03-01 | 浙江力耐得传动科技有限公司 | A kind of push rod screw rod group |
| CN210318403U (en) * | 2019-07-28 | 2020-04-14 | 无锡市宏霸机电设备有限公司 | Electric push rod |
-
2019
- 2019-07-28 CN CN201910685734.0A patent/CN110307316A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102968127A (en) * | 2012-11-13 | 2013-03-13 | 四川钟顺太阳能开发有限公司 | Linear driving device and controlling and using method of linear driving device for solar tracker |
| CN103545978A (en) * | 2013-10-24 | 2014-01-29 | 南京工艺装备制造有限公司 | Electric pushing rod |
| CN103872841A (en) * | 2014-04-04 | 2014-06-18 | 成都瑞迪机械实业有限公司 | Electric straight line driving device |
| CN208010904U (en) * | 2018-03-10 | 2018-10-26 | 绍兴市汇能高科电脑有限公司 | A kind of push rod nut-screw fixation lubricating structure |
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| CN208565464U (en) * | 2018-07-12 | 2019-03-01 | 浙江力耐得传动科技有限公司 | A kind of push rod screw rod group |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923035A (en) * | 2021-01-29 | 2021-06-08 | 义乌市长新传动科技有限公司 | Novel transmission nut |
| CN113001105A (en) * | 2021-01-29 | 2021-06-22 | 义乌市长新传动科技有限公司 | Production process of novel high-performance nut |
| CN114473389A (en) * | 2021-01-29 | 2022-05-13 | 义乌市长新传动科技有限公司 | Nut production process |
| CN114473389B (en) * | 2021-01-29 | 2023-02-03 | 义乌市长新传动科技有限公司 | Nut production process |
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