CN113911218A - Commercial car roof air guide sleeve assembly with electrically adjustable height and lifting method thereof - Google Patents
Commercial car roof air guide sleeve assembly with electrically adjustable height and lifting method thereof Download PDFInfo
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- CN113911218A CN113911218A CN202111372588.XA CN202111372588A CN113911218A CN 113911218 A CN113911218 A CN 113911218A CN 202111372588 A CN202111372588 A CN 202111372588A CN 113911218 A CN113911218 A CN 113911218A
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- air guide
- guide sleeve
- support
- fixed
- hinge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D35/00—Vehicle bodies characterised by streamlining
- B62D35/001—For commercial vehicles or tractor-trailer combinations, e.g. caravans
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D37/00—Stabilising vehicle bodies without controlling suspension arrangements
- B62D37/02—Stabilising vehicle bodies without controlling suspension arrangements by aerodynamic means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/82—Elements for improving aerodynamics
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a commercial car roof air guide sleeve assembly with an electrically adjustable height and a lifting method thereof, belonging to the technical field of heavy-duty car parts; comprises a fixed guide rail which fixes a flow guide cover on the top of a cab; the air guide sleeve assembly also comprises a transmission mechanism, a power mechanism and a turnover mechanism; the turnover mechanism is arranged on the fixed guide rail and connected with the air guide sleeve; the power mechanism is connected with the transmission mechanism to drive the transmission mechanism to rotate and push the air guide sleeve to ascend or descend relative to the turnover mechanism; the invention realizes the full-height adjustment of the commercial car roof air guide sleeve, can be adjusted to any height within an adjustable range, is matched with different cargo heights, reduces air resistance during driving and improves fuel economy.
Description
Technical Field
The invention belongs to the technical field of heavy-duty automobile parts, and particularly relates to a commercial roof air guide sleeve assembly with an electrically adjustable height and a lifting method thereof.
Background
The commercial vehicle industry is closely related to the national civilian life and plays an important role in logistics transportation, infrastructure and other aspects. When the tractor pulls the trailer, because driver's cabin is highly inconsistent with the goods, the windage is higher when traveling, can increase fuel consumption, causes economic loss. Therefore, in order to improve fuel economy, the wind resistance caused by the height difference needs to be reduced, and the existing treatment mode is to additionally arrange a flow guide cover at the top of a cab.
Highly variable kuppe is mostly manual regulation formula among the prior art, needs the driver manual regulation of ascending a height, has complex operation and has dangerous problem. Meanwhile, the top dome is an important component of the outer decoration of the cab, and the attractiveness and the adaptability to the overall shape are considered on the premise of considering the function realization.
Disclosure of Invention
In order to solve the problems, the invention provides the commercial car roof air guide sleeve with the electrically adjustable height and the lifting method thereof.
The invention is realized by the following technical scheme on one hand:
a commercial car roof air guide sleeve assembly with electrically adjustable height comprises a fixed guide rail for fixing an air guide sleeve on the top of a cab; the air guide sleeve assembly also comprises a transmission mechanism, a power mechanism and a turnover mechanism; the turnover mechanism is arranged on the fixed guide rail and connected with the air guide sleeve; the power mechanism is connected with the transmission mechanism to drive the transmission mechanism to rotate and push the air guide sleeve to ascend or descend relative to the turnover mechanism; can be adjusted to any height within the adjustable range, reduces the air resistance when driving, and improves the fuel economy.
The invention is further improved in that the power mechanism is fixed at the top of the cab through a fixed bracket; the power mechanism comprises a motor and an electric push rod; the motor drives the electric push rod to axially extend or shorten through the screw rod nut and drives the transmission mechanism to ascend or descend; the power mechanism is convenient to mount through the fixing support, the creeping phenomenon which possibly occurs in the transmission process is eliminated through the screw rod nut, and the rotation motion can be converted into the linear motion.
The invention is further improved by that two transmission mechanisms are arranged, wherein one transmission mechanism is connected with the power mechanism and drives the other transmission mechanism to link through a transverse pull rod and a support rod; the stability of the whole ascending and descending of the air guide sleeve is ensured.
The invention is further improved in that the transmission mechanism comprises a fixed bracket, a side fixed seat, a hinge seat and a support; the fixed support and the side fixed seat are respectively arranged on the air guide sleeve, and the transverse pull rod penetrates through the side fixed seat and is welded with the fixed support; the hinge seat is driven by the electric push rod and rotates around the side fixed seat and the support; the support is connected with the fixed guide rail; the two supports are connected by the supporting rod; the transmission mechanisms on the left side and the right side are convenient to link.
In addition, the turnover mechanism comprises a hinge clamping plate and a turnover hinge; the overturning hinge is fixed on the air guide sleeve through a hinge clamping plate; the overturning hinge is arranged on the fixed guide rail through a rotating mechanism; and the rotation of the air guide sleeve relative to the turnover mechanism is realized.
In a further improvement of the invention, the rotating mechanism comprises a shaft sleeve and a sleeve; the sleeve is arranged on the fixed guide rail, and the shaft sleeve is respectively connected with the turnover hinge and the sleeve, so that the installation and the use are convenient.
The invention further improves that the air guide sleeve assembly also comprises a wireless transmitting device which is wirelessly connected with the power mechanism and controls the state of the transmission mechanism; the driver operates the wireless transmitting device to control the sensor, and the air guide sleeve automatically adjusts the height; no ascending operation or manual operation is needed.
The other aspect of the invention is realized by the following technical scheme:
a lifting method of a commercial car roof air guide sleeve assembly with electrically adjustable height; the motor is started, and the motor rotates forwards or reversely to drive the screw rod nut to extend or shorten the axial direction of the electric push rod; the electric push rod extends or shortens to drive the hinge seat to rotate, and the hinge seat rotates to drive the support to rotate; the support rotates to increase or decrease the height of the support in the Z direction to drive the air guide sleeve to rise or fall; the turnover hinge rotates around the shaft sleeve and the sleeve connected with the fixed guide rail to complete the lifting height or the lowering height of the air guide sleeve; meanwhile, the side fixing seat is lifted or lowered in the Z direction, and a transverse pull rod clamped on the side fixing seat and the fixing support transmits power to the other transmission mechanism; the support is lifted or lowered in the Z direction, and the support rod connected with the support is used for transmitting power to another transmission mechanism; the left side and the right side of the air guide sleeve are simultaneously lifted or lowered; can be adjusted to any height, and is matched with different cargo heights, so that the air resistance during driving is reduced, and the fuel economy is improved.
According to the technical scheme, the invention has the beneficial effects that: the invention realizes the full-height adjustment of the commercial car roof air guide sleeve assembly, can be adjusted to any height within an adjustable range, is matched with different cargo heights, reduces the air resistance during driving and improves the fuel economy.
The invention is convenient to adjust, the driver controls the wireless transmitting device to control the sensor, and the air guide sleeve automatically adjusts the height; the automatic lifting device has the advantages that ascending operation or manual operation is not needed, the ergonomic concept is met, the safety of a driver is guaranteed, the operation is convenient and clean, and the hands of the driver are not polluted by dust.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic view of a commercial vehicle roof air guide cover assembly with electrically adjustable height according to the present invention.
Fig. 2 is a partial structural view of a commercial car roof air guide cover assembly with an electrically adjustable height according to the present invention.
Fig. 3 is a schematic structural view of the turnover mechanism of the commercial car roof air guide sleeve assembly with the electrically adjustable height.
Fig. 4 is an enlarged schematic view of a in fig. 3.
Fig. 5 is a schematic view illustrating the range of height adjustment of the electrically height adjustable commercial roof fairing assembly of the present invention.
In the drawings: the method comprises the following steps of 1-a guide cover, 2-a fixed support, 3-a tie rod, 4-a side fixed seat, 5-a hinge seat, 6-a fixed seat, 7-a support rod, 8-a motor, 9-a fixed support, 10-an electric push rod, 11-a support seat, 12-a fixed guide rail, 13-a fixed support, 14-a hinge clamp plate, 15-a turnover hinge, 16-a shaft sleeve and 17-a sleeve.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
Referring to fig. 1 to 4 together, the present invention discloses a commercial car roof air guide sleeve assembly with electrically adjustable height, which comprises a fixed guide rail 12 for fixing the air guide sleeve 1 on the top of a cab; when the fixed guide rail 12 is fixed, the two ends of the fixed guide rail 12 are provided with the fixed supports 13, and the fixed supports 13 are connected with the top of the cab so as to realize the installation of the fixed guide rail 12; the air guide sleeve assembly also comprises a transmission mechanism, a power mechanism and a turnover mechanism; wherein the air guide sleeve 1 is connected with the turnover mechanism and the transmission mechanism through fixed support bolts; the turnover mechanism is connected with the transmission mechanism through a hinge; the transmission mechanism is connected with the power mechanism through a pin shaft; in the above, the turnover mechanism is arranged on the fixed guide rail 12 and connected with the air guide sleeve 1; the power mechanism is connected with the transmission mechanism to drive the transmission mechanism to rotate and push the air guide sleeve 1 to ascend or descend relative to the turnover mechanism.
The power mechanism is fixed at the top of the cab through a fixed bracket 9; the power mechanism comprises a motor 8 and an electric push rod 10; the motor 8 drives the electric push rod 10 to axially extend through the screw rod nut and drives the transmission mechanism; wherein the motor 8 is provided with an electric wire which is connected into the vehicle-mounted battery box when in use, thereby ensuring continuous power supply.
With continued reference to fig. 1, two transmission mechanisms are provided, wherein one transmission mechanism is connected with the power mechanism and drives the other transmission mechanism to link through a tie rod 3 and a support rod 7; in the present embodiment, the two transmission mechanisms are a left transmission mechanism and a right transmission mechanism respectively; the left and right transmission mechanisms are of symmetrical structures; the power mechanism is only connected with the left side transmission mechanism, and the left side transmission mechanism is connected with the right side transmission mechanism through the support rod 7 and the cross pull rod 3.
The transmission mechanism comprises a fixed support 2, a side fixed seat 4, a hinge seat 5 and a support 11; the fixed support 2 and the side fixed seat 4 are respectively arranged on the air guide sleeve 1, and the cross pull rod 3 penetrates through the side fixed seat 4 and is welded with the fixed support 2; the hinge seat 5 is driven by the electric push rod 10 and rotates around the side fixed seat 4 and the support 11; the support 11 is connected with the fixed guide rail 12; the two supports 11 are connected by the supporting rod 7; during specific connection, the hinge seat 5 is connected with the side fixed seat 4 through a lock pin; the side fixing seat 4 and the fixing support 2 are connected with the air guide sleeve 1 through bolts; the air guide sleeve 1 is also provided with a fixed seat 6, and the side fixed seat 4, the fixed support 2 and the fixed seat 6 are respectively welded or clamped with the tie rod 3; the fixed seat 6 is arranged between the two transmission mechanisms and is used for supporting the transverse pull rod 3; and two ends of the support 11 are respectively connected with the hinge base 5 and the fixed guide rail 12 through pin shafts.
The turnover mechanism comprises a hinge clamping plate 14 and a turnover hinge 15; the overturning hinge 15 is fixed on the air guide sleeve 1 through a hinge clamping plate 14; the turning hinge is arranged on the fixed guide rail 12 through a rotating mechanism; the rotating mechanism comprises a shaft sleeve 16 and a sleeve 17; the shaft sleeve 16 is arranged on the fixed guide rail 12, and the sleeve 17 is respectively connected with the turnover hinge 15 and the shaft sleeve 16; specifically, the sleeve 17 passes through a shaft sleeve 16 arranged on the fixed guide rail 12 and is connected with the turnover hinge 15, and the sleeve 17, the shaft sleeve 16 and the turnover hinge 15 are axially matched to realize the rotation of the air guide sleeve 1 relative to the turnover mechanism.
The air guide sleeve assembly further comprises a wireless transmitting device (not shown in the drawing), and the wireless transmitting device is wirelessly connected with the power mechanism and controls the state of the transmission mechanism; when the air guide sleeve is used, a driver can remotely control the electric push rod 10 to stop at any position by using a wireless transmitting device, and the air guide sleeve 1 can stop at any height within a certain height range after being transmitted by the electric push rod 10.
The use process of the air guide sleeve assembly comprises the following two steps:
lifting height of the air guide sleeve: the driver transmits a signal through the wireless remote control device, the sensor on the electric push rod 10 receives the signal, the motor 8 starts forward rotation, and the motor 8 drives a pair of screw rod nuts after being decelerated by the deceleration mechanism, so that the rotation motion of the motor is changed into the axial extension power of the electric push rod 10. The electric push rod 10 extends to enable the hinge seat 5 to rotate through the pin shaft, and the hinge seat 5 rotates to drive the support 11 to rotate; because the fixed guide rail 12 is fixed at the top of the cab, the support 11 rotates to increase the height of the support in the Z direction; and the support 11 and the side fixing seat 4 are respectively connected with two shaft pins of the hinge seat 5, and the two shaft pins have a fixed distance, so that the side fixing seat 4 is lifted in the Z direction through the hinge seat 5, and the air guide sleeve 1 is driven to be lifted. The turnover hinge rotates around a shaft sleeve 16 and a sleeve 17 which are connected with the fixed guide rail 12, and the operation of lifting the height of the air guide sleeve is completed.
The side fixed seat 4 rises in the Z direction, so that the cross pull rod 3 clamped on the side fixed seat 4 and the fixed support 2 transmits power to the right side transmission mechanism; the support 11 is raised in the Z direction and the strut 7 connected thereto also transmits power to the right-hand transmission. From this the upset is accomplished simultaneously to the left and right sides, makes mechanical motion more smooth to guarantee the horizontal stability of kuppe assembly simultaneously.
The height of the air guide sleeve is reduced: a driver transmits a signal through a wireless remote control device, and after a sensor on the electric push rod 10 receives the signal, the motor 8 starts to rotate reversely to drive a pair of screw rod nuts, so that the rotary motion of the motor is changed into axial shortening power of the electric push rod 10; the electric push rod 10 shortens to enable the hinge seat 5 to rotate through the pin shaft, drives the support 11 to rotate, and enables the support 11 to rotate to enable the height of the support in the Z direction to be reduced; the side fixing seat 4 is lowered in the Z direction through the hinge seat 5, so that the air guide sleeve 1 is driven to be lowered; the turnover hinge rotates around a shaft sleeve 16 and a sleeve 17 which are connected with the fixed guide rail 12; and finishing the operation of reducing the height of the left air guide sleeve.
The side fixing seat 4 is lowered in the Z direction, so that the cross pull rod 3 clamped on the side fixing seat 4 and the fixing support 2 transmits power to the right side transmission mechanism; the support 11 is lowered in the Z direction, and the support rod 7 connected with the support is used for transmitting power to the right side transmission mechanism; the left and right sides of the air guide sleeve are lowered simultaneously.
In the above embodiment, the fixed guide rail 12 is made of steel plate DC04, and the tie rod 3 and the strut 7 are made of steel tube Q235B; the main body material of the power mechanism is aluminum alloy, the input voltage is 24V DC, the rated power is 20W, the maximum power is 35W, the thrust is 1000N, the opening speed is 10mm/s, the stroke is 70mmm, and the protection grade is IP 65. The stroke of the electric putter 10 is 70mm, and the driver can stop the electric putter 10 at an arbitrary position using a wireless remote controller. After being driven by the mechanism, see fig. 5, wherein b in the drawing is the turning center of the air guide sleeve, c is the highest position of the air guide sleeve assembly, d is the lowest position of the air guide sleeve assembly, and e is the adjusting height of the air guide sleeve assembly; f has a height of 163 mm; g is 323mm in height, wherein the Z-direction distance between the top of the cab and the edge of the air guide sleeve ranges from 163mm to 323mm, the optional height in the range is 0-160mm, and the adjustable height range of the air guide sleeve assembly is obtained.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A commercial car roof air guide sleeve assembly with electrically adjustable height is characterized by comprising a fixed guide rail (12) for fixing an air guide sleeve (1) on the top of a cab; the air guide sleeve assembly also comprises a transmission mechanism, a power mechanism and a turnover mechanism; the turnover mechanism is arranged on the fixed guide rail (12) and connected with the air guide sleeve (1); the power mechanism is connected with the transmission mechanism to drive the transmission mechanism to rotate and push the air guide sleeve (1) to ascend or descend relative to the turnover mechanism.
2. The electrically height-adjustable commercial roof air guide cover assembly according to claim 1, wherein the power mechanism is fixed to the top of the cab by a fixing bracket (9); the power mechanism comprises a motor (8) and an electric push rod (10); the motor (8) drives the electric push rod (10) to axially extend or shorten through the screw rod nut and drives the transmission mechanism to ascend or descend.
3. The commercial vehicle roof air guide hood assembly with electrically adjustable height according to claim 2, wherein two transmission mechanisms are provided, wherein one transmission mechanism is connected with the power mechanism and drives the other transmission mechanism to be linked through the cross pull rod (3) and the support rod (7).
4. The commercial vehicle roof air guide cover assembly with electrically adjustable height of claim 3, characterized in that the transmission mechanism comprises a fixed bracket (2), a side fixed seat (4), a hinge seat (5) and a support (11); the fixed support (2) and the side fixed seat (4) are respectively arranged on the air guide sleeve (1), and the transverse pull rod (3) penetrates through the side fixed seat (4) to be welded with the fixed support (2); the hinge seat (5) is driven by the electric push rod (10) and rotates around the side fixed seat (4) and the support (11); the support (11) is connected with the fixed guide rail (12); the two supports (11) are connected by the supporting rod (7).
5. The electrically adjustable height commercial roof fairing assembly of claim 4, wherein said flipping mechanism comprises a hinge strap (14) and a flip hinge (15); the overturning hinge (15) is fixed on the air guide sleeve (1) through a hinge clamping plate (14); the overturning hinge (15) is arranged on the fixed guide rail (12) through a rotating mechanism.
6. The electrically adjustable height commercial roof fairing assembly of claim 5, wherein said swivel mechanism comprises a bushing (16) and a bushing (17); the sleeve (17) is arranged on the fixed guide rail (12), and the shaft sleeve (16) is connected with the turnover hinge (15) and the sleeve (17) respectively.
7. The motorized height adjustable commercial roof air guide cover assembly according to any one of claims 1-6, further comprising a wireless transmission device, wherein the wireless transmission device is wirelessly connected to the power mechanism and controls the state of the transmission mechanism.
8. A lifting method of a commercial car roof air guide sleeve assembly with electrically adjustable height; the electric push rod is characterized in that when the motor is started, the motor rotates forwards or reversely to drive the screw rod nut to extend or shorten the axial direction of the electric push rod; the electric push rod extends or shortens to drive the hinge seat to rotate, and the hinge seat rotates to drive the support to rotate; the support rotates to increase or decrease the height of the support in the Z direction to drive the air guide sleeve to rise or fall; the turnover hinge rotates around the shaft sleeve and the sleeve connected with the fixed guide rail to complete the lifting height or the lowering height of the air guide sleeve; meanwhile, the side fixing seat is lifted or lowered in the Z direction, and a transverse pull rod clamped on the side fixing seat and the fixing support transmits power to the other transmission mechanism; the support is lifted or lowered in the Z direction, and the support rod connected with the support is used for transmitting power to another transmission mechanism; so that both sides of the air guide sleeve are simultaneously lifted or lowered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111372588.XA CN113911218A (en) | 2021-11-18 | 2021-11-18 | Commercial car roof air guide sleeve assembly with electrically adjustable height and lifting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111372588.XA CN113911218A (en) | 2021-11-18 | 2021-11-18 | Commercial car roof air guide sleeve assembly with electrically adjustable height and lifting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113911218A true CN113911218A (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111372588.XA Pending CN113911218A (en) | 2021-11-18 | 2021-11-18 | Commercial car roof air guide sleeve assembly with electrically adjustable height and lifting method thereof |
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| Country | Link |
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| CN (1) | CN113911218A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115339530A (en) * | 2022-09-20 | 2022-11-15 | 一汽解放汽车有限公司 | Flow guide piece adjusting and controlling method and flow guide piece adjusting and controlling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738421A (en) * | 2014-01-08 | 2014-04-23 | 吉林大学 | Automatically-adjustable dome for truck |
| CN107416049A (en) * | 2017-06-08 | 2017-12-01 | 吉林大学 | One kind can full-height motorized adjustment truck combination kuppe |
| CN210191657U (en) * | 2019-05-09 | 2020-03-27 | 一汽解放汽车有限公司 | Novel heavily block kuppe adjustment mechanism |
| CN111422263A (en) * | 2020-04-30 | 2020-07-17 | 上海万超汽车天窗有限公司 | An electric adjustment device for a truck shroud |
| CN213705595U (en) * | 2020-11-20 | 2021-07-16 | 世泰仕塑料有限公司 | Remote control lifting device of heavy truck top dome |
-
2021
- 2021-11-18 CN CN202111372588.XA patent/CN113911218A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738421A (en) * | 2014-01-08 | 2014-04-23 | 吉林大学 | Automatically-adjustable dome for truck |
| CN107416049A (en) * | 2017-06-08 | 2017-12-01 | 吉林大学 | One kind can full-height motorized adjustment truck combination kuppe |
| CN210191657U (en) * | 2019-05-09 | 2020-03-27 | 一汽解放汽车有限公司 | Novel heavily block kuppe adjustment mechanism |
| CN111422263A (en) * | 2020-04-30 | 2020-07-17 | 上海万超汽车天窗有限公司 | An electric adjustment device for a truck shroud |
| CN213705595U (en) * | 2020-11-20 | 2021-07-16 | 世泰仕塑料有限公司 | Remote control lifting device of heavy truck top dome |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115339530A (en) * | 2022-09-20 | 2022-11-15 | 一汽解放汽车有限公司 | Flow guide piece adjusting and controlling method and flow guide piece adjusting and controlling device |
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Application publication date: 20220111 |
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