CN114517619A - Transmission mounting structure for lead screw and push rod device thereof - Google Patents
Transmission mounting structure for lead screw and push rod device thereof Download PDFInfo
- Publication number
- CN114517619A CN114517619A CN202111671877.XA CN202111671877A CN114517619A CN 114517619 A CN114517619 A CN 114517619A CN 202111671877 A CN202111671877 A CN 202111671877A CN 114517619 A CN114517619 A CN 114517619A
- Authority
- CN
- China
- Prior art keywords
- mounting
- transmission
- bearing
- gear
- screw rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 77
- 230000033001 locomotion Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 19
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
- E05F15/622—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using screw-and-nut mechanisms
Landscapes
- Gear Transmission (AREA)
- Transmission Devices (AREA)
Abstract
The invention belongs to the technical field of push rod equipment, and provides a transmission mounting structure for a lead screw and a push rod device thereof, which mainly comprise a transmission gear and a mounting bearing; the mounting bearing comprises a bearing inner ring and a bearing outer ring, the bearing inner ring can be rotatably arranged relative to the bearing outer ring, the length of the bearing inner ring is greater than that of the bearing outer ring so as to form a mounting boss, and a bearing hole for the screw rod to penetrate through is formed in the bearing inner ring; the transmission gear is provided with a gear hole, and the transmission gear is sleeved on the mounting boss through the gear hole to form connection with the mounting bearing. The invention can lead the screw rod to have a new transmission connection form, lead the screw rod and the push rod device to be more stable and smooth in operation, and effectively reduce the operation noise.
Description
Technical Field
The invention belongs to the technical field of push rod equipment, and particularly relates to a transmission mounting structure for a lead screw and a push rod device of the transmission mounting structure.
Background
Along with the increasing demand of people for convenient traveling, the demand of automobiles is also increasing; the intelligent science and technology product that can improve the car owner and use experience begins to increase on more and more cars, has electronic suitcase vaulting pole wherein, installs electronic suitcase vaulting pole additional after, can realize the automatic switch of car tail-gate through long-range car key, can realize the effect of switch door through the kick response even, great promotion the convenience and the science and technology of whole car feel.
A stay bar device for opening and closing an automobile tail door in the existing market is basically in a U-shaped structure, namely a screw rod assembly and a motor assembly are arranged side by side, a transmission gear assembly is arranged at the end parts of the screw rod assembly and the motor assembly to be in transmission connection, and the motor assembly drives the screw rod assembly to rotate through three groups of transmission gears to realize reciprocating motion. However, the structure usually needs three gears to drive the screw rod, so that the transmission efficiency is low, the structure is unstable, and the noise generated by gear transmission in the operation process is large; and gear and lead screw are for separately setting up in two parts, and the required axiality when often not satisfying the lead screw transmission is high to the required precision requirement of work piece under this kind of structure, leads to the lead screw operation vibration big, and the operation noise is not smooth and the wearing and tearing are serious.
Disclosure of Invention
In order to overcome the above disadvantages of the prior art, an object of the present invention is to provide a transmission mounting structure for a lead screw and a push rod device thereof, so that the lead screw can have a new transmission connection form, the lead screw and the push rod device can be more stable and smooth during operation, and the operation noise can be effectively reduced.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a transmission mounting structure for a screw rod comprises a transmission gear and a mounting bearing;
the mounting bearing comprises a bearing inner ring and a bearing outer ring, the bearing inner ring can be rotatably arranged relative to the bearing outer ring, the length of the bearing inner ring is greater than that of the bearing outer ring so as to form a mounting boss, and a bearing hole for the screw rod to penetrate through is formed in the bearing inner ring;
the transmission gear is provided with a gear hole, and the transmission gear is sleeved on the mounting boss through the gear hole to form connection with the mounting bearing.
Preferably, the gear box further comprises a turbine bushing, a bushing hole through which the screw rod can penetrate is formed in the turbine bushing, and the turbine bushing is embedded in the gear hole.
Preferably, the gear hole comprises a boss connecting section and a bushing connecting section;
the mounting boss is embedded in the boss connecting section, and the turbine bushing is embedded in the bushing connecting section.
Preferably, the boss coupling section is provided to protrude toward an outer side of the transmission gear.
Preferably, a key groove connecting structure is arranged between the gear hole and the turbine bushing and between the turbine bushing and the screw rod.
Preferably, the transmission gear is a worm gear, a worm is arranged corresponding to the worm gear, and the worm gear is in transmission connection with the worm.
A push rod device comprises the transmission mounting structure for the lead screw.
Preferably, the motor assembly further comprises a shell assembly and a motor assembly, wherein the shell assembly comprises a main shell, a first installation cavity and a second installation cavity for installing the motor assembly are arranged on the main shell, and the first installation cavity and the second installation cavity are intersected at an angle and are communicated;
the transmission gear is arranged in the first mounting cavity, and one end of the screw rod extends into the first mounting cavity and is in transmission connection with the transmission gear.
Preferably, the screw rod driving device further comprises a driving pipe assembly, wherein the driving pipe assembly comprises the screw rod and a nut pipe, and the nut pipe is arranged on the screw rod in a threaded connection manner;
corresponding to the movement direction of the transmission pipe assembly, a first ball socket piece is arranged on the main shell, and a second ball socket piece is arranged at the tail end of the nut pipe.
Preferably, the drive pipe assembly further comprises an outer sleeve, one end of the outer sleeve is mounted and connected to the main housing, and the nut pipe is slidably arranged in the outer sleeve.
Compared with the prior art, the invention has the beneficial effects that:
the installation boss is ingeniously arranged on the installation bearing in the scheme, so that the transmission gear can be installed and positioned through the installation boss, when being installed, the screw rod is connected with the transmission gear in a transmission mode, the installation position can be in the installation cavity of the component through the installation bearing, the installation structure is found in practice, the installation structure can enable the concentricity of the transmission gear and the screw rod to be higher, therefore, the screw rod and the push rod device can be more stable and smooth in working, and compared with the installation and the traditional mode in the prior art, the operation noise can be greatly reduced, the design is ingenious, and the whole structure can be more compact.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a transmission mounting structure of the present invention.
Fig. 2 is a schematic view of the mounting structure of the transmission gear and the mounting bearing of the present invention.
FIG. 3 is a schematic view of the installation of the connection between the worm gear and the worm according to the present invention.
Fig. 4 is a schematic structural diagram of the push rod device of the present invention.
Fig. 5 is a schematic structural diagram of the main housing of the present invention.
Wherein:
1-transmission gear, 101-boss connecting section, 102-bush connecting section, 11-turbine bush, 12-worm;
2-mounting a bearing, and 21-mounting a boss;
3-transmission pipe assembly, 31-screw rod, 32-nut pipe and 33-outer sleeve pipe;
4-housing assembly, 41-main housing, 411-first mounting cavity, 412-second mounting cavity, 42-first ball-and-socket member, 43-second ball-and-socket member;
5-motor assembly.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, and the embodiments described are merely some, but not all embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1
As shown in fig. 1 to 5, the present embodiment provides a transmission mounting structure for a lead screw, which mainly includes a transmission gear 1 and a mounting bearing 2, where the mounting bearing 2 includes a bearing inner ring and a bearing outer ring, a rolling element is disposed between the bearing inner ring and the bearing outer ring, the bearing inner ring can be rotatably disposed relative to the bearing outer ring, and the operation mechanism of the mounting bearing 2 can be referred to in the prior art, and will not be described in detail here. In particular, the length of the bearing inner ring is greater than that of the bearing outer ring, so that the mounting boss 21 is formed on the mounting bearing 2, and the bearing inner ring is provided with a bearing hole for the screw rod 31 to penetrate through, so as to facilitate the penetration and transmission mounting of the screw rod 31.
The transmission gear 1 is provided with a gear hole, and the transmission gear 1 is embedded on the mounting boss 21 through the gear hole to form connection with the mounting bearing 2. As one of the basic connection and installation schemes, the screw rod 31 can realize transmission connection with the transmission gear 1 through a key slot connection structure after penetrating through the bearing hole; in this way, the transmission gear 1 is integrally installed and positioned through the installation bearing 2, so that compared with a mode that the transmission gear 1 and the installation bearing 2 are respectively installed and positioned in the component installation cavity in the traditional technology, the concentricity between the transmission gear and the screw rod 31 can be kept high, and the smooth operation of the screw rod 31 and the push rod device is ensured.
Preferably, the present embodiment further includes a turbine bushing 11, the turbine bushing 11 is provided with a bushing hole through which the screw rod 31 can pass, and the turbine bushing 11 is embedded in the gear hole. The turbine bush 11 is arranged, so that the design size of a key groove connecting structure between the screw rod 31 and the transmission gear 1 can be reduced, and the installation and the processing of the device are facilitated.
On the basis, the gear hole in the scheme comprises a boss connecting section 101 and a bushing connecting section 102; the mounting boss 21 is embedded in the boss connecting section 101, and the turbine bush 11 is embedded in the bush connecting section 102. Between the gear hole and the turbine bush 11, between the turbine bush 11 and the lead screw 31, a key groove connection structure is provided, and the key groove connection structure in this embodiment may adopt a form of a spline, which is not described herein.
Preferably, the boss connecting section 101 has a portion protruding toward the outside of the transmission gear 1 to ensure the connection effectiveness and stability between the transmission gear 1 and the mounting boss 21 of the mounting bearing 2.
Further, the transmission gear 1 in the present embodiment is preferably configured as a worm gear, and a worm 12 is further disposed corresponding to the worm gear, and the worm gear is in transmission connection with the worm 12. The transmission precision of the screw rod 31 is further improved through the meshing transmission between the worm wheel and the worm 12, and the transmission mode of the worm wheel and the worm 12 has lower transmission noise compared with the transmission mode of a gear set in the prior art.
In addition, in order to facilitate further understanding of the present solution, a push rod device is provided in the present embodiment, which includes the above-mentioned transmission mounting structure for the screw rod.
Further, the push rod device further comprises a shell assembly 4 and a motor assembly 5, wherein the shell assembly 4 comprises a main shell 41, a first mounting cavity 411 for the arrangement of the worm wheel and the worm 12 and a second mounting cavity 412 for the arrangement of the motor assembly 5 are arranged on the main shell 41, and the first mounting cavity 411 and the second mounting cavity 412 are intersected at an angle and are communicated; preferably, in the present embodiment, an axis of the first mounting cavity 411 and an axis of the second mounting cavity 412 are perpendicular to each other.
The worm wheel is arranged in the first mounting cavity 411, and the worm 12 extends into the first mounting cavity 411 from the second mounting cavity 412 and is connected with the worm wheel in a meshing manner. One end of the screw rod 31 extends into the first mounting cavity 411 and is connected with the mounting bearing 2, the turbine bush 11 and the transmission gear 1 in a transmission manner in sequence.
As a preferable scheme, the present embodiment further includes a transmission tube assembly 3, and the transmission tube assembly 3 includes the lead screw 31, a nut tube 32, and an outer sleeve 33. The nut tube 32 is screwed on the lead screw 31, and corresponding to the moving direction of the transmission tube assembly 3, a first ball socket member 42 is arranged on the main housing 41, a second ball socket member 43 is arranged at the end of the nut tube 32, and the connection with the external part is realized through the first ball socket member 42 and the second ball socket member 43.
Further, one end of the outer sleeve 33 is detachably mounted and connected to the main housing 41, and the nut tube 32 is slidably disposed in the outer sleeve 33. The motor assembly 5 drives the turbine to rotate, so that the screw rod 31 is driven to rotate, the nut pipe 32 is driven on the screw rod 31, and telescopic action is achieved. In addition, the nut tube 32 is slidably disposed in the outer sleeve 33, so that when the nut tube 32 needs to be continuously extended towards the distal end, the coaxiality between the nut tube 32 and the lead screw 31 can be ensured through the guiding function of the outer sleeve 33, and meanwhile, the lead screw 31 needs to completely bear the gravity of the nut tube 32 and the outer part when in an extended state, and the service life of the device is prolonged.
In this embodiment, the specific structural form of the motor assembly 5 can be referred to in the prior art, and is not described herein again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. A transmission mounting structure for a screw rod is characterized by comprising a transmission gear and a mounting bearing;
the mounting bearing comprises a bearing inner ring and a bearing outer ring, the bearing inner ring can be rotatably arranged relative to the bearing outer ring, the length of the bearing inner ring is greater than that of the bearing outer ring so as to form a mounting boss, and a bearing hole for the screw rod to penetrate through is formed in the bearing inner ring;
the transmission gear is provided with a gear hole, and the transmission gear is sleeved on the mounting boss through the gear hole to form connection with the mounting bearing.
2. The transmission mounting structure for the screw rod according to claim 1, further comprising a turbine bushing, wherein the turbine bushing is provided with a bushing hole for the screw rod to pass through, and the turbine bushing is embedded in the gear hole.
3. The transmission mounting structure for the lead screw according to claim 2, wherein the gear hole includes a boss connection section and a bush connection section;
the mounting boss is embedded in the boss connecting section, and the turbine bushing is embedded in the bushing connecting section.
4. The transmission mounting structure for the lead screw according to claim 3, wherein the boss coupling section is provided to protrude toward an outer side of the transmission gear.
5. The transmission mounting structure for the screw rod according to claim 2, wherein a key groove connecting structure is arranged between the gear hole and the turbine bushing and between the turbine bushing and the screw rod.
6. The transmission mounting structure for the screw rod according to any one of claims 1 to 5, wherein the transmission gear is a worm gear, a worm is further provided corresponding to the worm gear, and the worm gear is in transmission connection with the worm.
7. A push rod assembly comprising a drive mounting arrangement for a lead screw according to any one of claims 1 to 6.
8. The push rod device according to claim 7, further comprising a housing assembly and a motor assembly, wherein the housing assembly comprises a main housing, the main housing is provided with a first mounting cavity and a second mounting cavity for mounting the motor assembly, and the first mounting cavity and the second mounting cavity are intersected at an angle and are communicated;
the transmission gear is arranged in the first mounting cavity, and one end of the screw rod extends into the first mounting cavity and is in transmission connection with the transmission gear.
9. The push rod device according to claim 8, further comprising a driving tube assembly including said lead screw and a nut tube, said nut tube being threadedly disposed on said lead screw;
corresponding to the movement direction of the transmission pipe assembly, a first ball socket piece is arranged on the main shell, and a second ball socket piece is arranged at the tail end of the nut pipe.
10. A putter device according to claim 9 wherein the drive tube assembly further includes an outer sleeve having one end thereof mounted on the main housing, the nut tube being slidably disposed within the outer sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111671877.XA CN114517619A (en) | 2021-12-31 | 2021-12-31 | Transmission mounting structure for lead screw and push rod device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111671877.XA CN114517619A (en) | 2021-12-31 | 2021-12-31 | Transmission mounting structure for lead screw and push rod device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114517619A true CN114517619A (en) | 2022-05-20 |
Family
ID=81596606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111671877.XA Pending CN114517619A (en) | 2021-12-31 | 2021-12-31 | Transmission mounting structure for lead screw and push rod device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114517619A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1431498A2 (en) * | 2002-12-17 | 2004-06-23 | Prastel SPA | Device for operating a swing gate |
| CN106195016A (en) * | 2016-07-25 | 2016-12-07 | 新昌县梅渚镇富大轴承厂 | A kind of rolling bearing structure |
| CN205846961U (en) * | 2016-06-29 | 2016-12-28 | 浙江捷昌线性驱动科技股份有限公司 | A kind of electric pushrod |
| CN106761139A (en) * | 2017-01-14 | 2017-05-31 | 东莞市艺展电子有限公司 | A kind of automobile trunk elevating lever |
| CN206234259U (en) * | 2016-12-01 | 2017-06-09 | 东莞市天富模具制品有限公司 | Special hardware bearing on a kind of fishing gear |
| CN207514181U (en) * | 2017-09-09 | 2018-06-19 | 浙江捷昌线性驱动科技股份有限公司 | A kind of electric pushrod |
| CN112128335A (en) * | 2020-11-25 | 2020-12-25 | 常州市凯迪电器股份有限公司 | Linear actuator |
| CN212305002U (en) * | 2020-06-18 | 2021-01-05 | 宁波市致远电器有限公司 | Electric push rod with high concentricity |
-
2021
- 2021-12-31 CN CN202111671877.XA patent/CN114517619A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1431498A2 (en) * | 2002-12-17 | 2004-06-23 | Prastel SPA | Device for operating a swing gate |
| CN205846961U (en) * | 2016-06-29 | 2016-12-28 | 浙江捷昌线性驱动科技股份有限公司 | A kind of electric pushrod |
| CN106195016A (en) * | 2016-07-25 | 2016-12-07 | 新昌县梅渚镇富大轴承厂 | A kind of rolling bearing structure |
| CN206234259U (en) * | 2016-12-01 | 2017-06-09 | 东莞市天富模具制品有限公司 | Special hardware bearing on a kind of fishing gear |
| CN106761139A (en) * | 2017-01-14 | 2017-05-31 | 东莞市艺展电子有限公司 | A kind of automobile trunk elevating lever |
| CN207514181U (en) * | 2017-09-09 | 2018-06-19 | 浙江捷昌线性驱动科技股份有限公司 | A kind of electric pushrod |
| CN212305002U (en) * | 2020-06-18 | 2021-01-05 | 宁波市致远电器有限公司 | Electric push rod with high concentricity |
| CN112128335A (en) * | 2020-11-25 | 2020-12-25 | 常州市凯迪电器股份有限公司 | Linear actuator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109050354A (en) | A kind of electric sliding rail | |
| CN215056470U (en) | Convenient-to-assemble automobile tail door stay bar | |
| CN111827811A (en) | Linear motion actuator for automobile hidden handle | |
| CN114517619A (en) | Transmission mounting structure for lead screw and push rod device thereof | |
| CN113650466A (en) | Automatic vehicle height adjusting device | |
| CN205605800U (en) | Two grades of AMT electric drives of electric motor car operating mechanism that shifts | |
| CN109795466A (en) | A kind of vehicle electronic brake power device and electronic parking braking system of vehicle | |
| CN202280343U (en) | Motor-driven tailgate driving mechanism with overload separating protector | |
| CN211441860U (en) | Two-section type small-shell paddy field bridge | |
| CN209225239U (en) | A kind of automobile steering linkage with shock-absorbing function | |
| CN209008662U (en) | A kind of hollow double slowdown commutation guide rail for automobile steering device | |
| CN209972427U (en) | Vehicle electronic parking braking power device and vehicle electronic parking braking system | |
| CN217736246U (en) | Electronic parking power transmission structure with more stable transmission | |
| CN220434532U (en) | L-shaped electric stay bar | |
| CN112482922A (en) | Take overload protection's electronic vaulting pole | |
| CN207868932U (en) | New-energy automobile gear-box push-rod electric machine | |
| CN205559515U (en) | Elastic joint pole guider of push -and -pull cable | |
| CN210799652U (en) | Small and exquisite electric connecting bolt | |
| CN217461836U (en) | Automobile back door driving device | |
| CN221053444U (en) | Automobile door lock stay wire | |
| CN212671460U (en) | Lightweight electric stay bar structure | |
| CN204755883U (en) | General type electric motor car AMT gearshift | |
| CN215553512U (en) | Driving crumple mechanism and steering column | |
| CN214755925U (en) | Steering engine device | |
| CN219529743U (en) | Linear push-pull driver of integrated motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chu Chuanbao Inventor after: Di Ke Inventor after: Yuan Jionghui Inventor before: Song Yun |
|
| CB03 | Change of inventor or designer information |