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CN112572275A - Jacking type expansion bin device and application thereof - Google Patents

Jacking type expansion bin device and application thereof Download PDF

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Publication number
CN112572275A
CN112572275A CN202011432314.0A CN202011432314A CN112572275A CN 112572275 A CN112572275 A CN 112572275A CN 202011432314 A CN202011432314 A CN 202011432314A CN 112572275 A CN112572275 A CN 112572275A
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CN
China
Prior art keywords
bin body
bin
wall
winding
space
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
Application number
CN202011432314.0A
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Chinese (zh)
Inventor
陆江强
俞来明
陆鸣
王国忠
胡亚风
余月辉
刘维君
章文明
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HANGZHOU HENGHONG MACHINERY CO LTD
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HANGZHOU HENGHONG MACHINERY CO LTD
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Application filed by HANGZHOU HENGHONG MACHINERY CO LTD filed Critical HANGZHOU HENGHONG MACHINERY CO LTD
Priority to CN202011432314.0A priority Critical patent/CN112572275A/en
Publication of CN112572275A publication Critical patent/CN112572275A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60PVEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/32Vehicles adapted to transport, to carry or to comprise special loads or objects comprising living accommodation for people, e.g. caravans, camping, or like vehicles
    • B60P3/34Vehicles adapted to transport, to carry or to comprise special loads or objects comprising living accommodation for people, e.g. caravans, camping, or like vehicles the living accommodation being expansible, collapsible or capable of rearrangement

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Residential Or Office Buildings (AREA)

Abstract

The invention discloses a jacking type expanding bin device and application thereof, wherein the jacking type expanding bin device comprises: the bin comprises an upper bin body and a lower bin body, wherein a vertical extension mechanism capable of jacking the upper bin body to extend the space in the height direction is arranged at the bottom of the outer wall of the lower bin body. The jacking type expansion bin device is applied to a motor home. According to the invention, the vertical expansion mechanism capable of jacking the upper bin body to expand the space in the height direction is arranged at the bottom of the outer wall of the lower bin body, namely the lower bin body is fixed, the upper bin body can be integrally jacked or descended to realize doubling expansion of the bin space, compared with side edge expansion, the vertical expansion mechanism is capable of expanding upwards to save transverse occupied space, and can also expand in a narrow parking space, and the space expanded upwards is larger.

Description

Jacking type expansion bin device and application thereof
Technical Field
The invention relates to the technical field of motor homes, in particular to a jacking type expansion bin device and application thereof.
Background
The motor home, also called as "home on wheel", has two functions of "house" and "car", but its attribute is also car, is a kind of movable car with essential basic facilities at home. The car as a house is the fashion facility car type of introducing by foreign countries, and the house facility on its car has: furniture such as bedding, stoves, refrigerators, cabinets, sofas, dining tables and chairs, washroom facilities, air conditioners, televisions, stereos and the like and electrical appliances can be divided into driving areas, living areas, bedroom areas, sanitary areas, kitchen areas and the like, and the limousine integrates clothes, food, lives and rows and realizes daily travel and daily life in travel.
The space in the carriage of a common motor home is limited, and at present, there are devices for expanding the internal space of the motor home, for example, the publication number "CN 104442530B", and the patent name "undercarriage type telescopic car of motor home" discloses the following contents: a landing frame type caravan telescopic carriage is composed of a telescopic carriage body, a power telescopic system, a landing frame type bearing mechanism, a side door reverse closing device, a locking mechanism and a folding guide rail, and further achieves the purpose of extending transversely and greatly expanding a second space. The invention adopts a lifting frame type telescopic compartment structure, the maximum extension part of the compartment body can reach 2 meters, the telescopic compartment body adopts a three-section enclosing framework and a side turning sealing plate structure, the internal structure of the main compartment body cannot be obstructed when the main compartment body retracts, and the telescopic compartment bodies can be arranged on four sides of the main compartment body of the caravan, so that the use area of the caravan can be greatly increased. After all the telescopic carriage bodies are extended out, the usable area of the motor home can be enlarged by more than 1 time at most. When the invention runs on the road, the lifting frame type telescopic carriage is folded and locked, and the size of the main box body of the caravan is consistent with that of the chassis; after arriving at a station vehicle and stopping stably, the telescopic carriage body is operated to extend out, so that the caravan box body is widened and lengthened, and the purpose of increasing the use area is achieved.
Also, for example, the application publication No. CN105751955A, and the patent name "a foldable and expandable multifunctional double-layer caravan" disclose the following: a multifunctional double-deck recreational vehicle capable of being folded and expanded, comprising: a headstock; the carriage is pulled by a locomotive and comprises an upper layer carriage, a lower layer carriage and a left double-layer heat-preservation side carriage and a right double-layer heat-preservation side carriage, wherein the left double-layer heat-preservation side carriage and the right double-layer heat-preservation side carriage are provided with frameworks and heat-preservation plates, the upper layer carriage is provided with the frameworks which are made of foldable square pipes, the double-layer heat-preservation mode of adding heat-preservation plates and sun-proof rain cloths is arranged at the upper part of the lower layer carriage, the right side carriage is embedded in the lower layer carriage in a drawable mode; and the platform is arranged at the bottom of the lower-layer carriage in a foldable mode, and a second lateral extension space of the lower-layer left-side carriage is formed after the platform is unfolded. Wherein the upper deck compartment includes a roof structure. The folding or expansion of the utility model can be conveniently realized, the utilization area is increased, the folding or expansion is used for product exhibition and professional stage performance, when the performance is not performed, the front wall of the stage is closed to form a fully-closed limousine, and multiple functions of accommodation, entertainment, dining rooms, coffee halls, karaoke halls and the like are realized.
However, the caravan of the two patents can only expand the space of the side wall of the compartment of the caravan, but cannot expand the space in the height direction of the compartment of the caravan, and the lateral expansion usually requires a larger parking space when parking is expanded, so that a spacious ground parking space needs to be found, the space expansion is limited, and how to expand the top space of the compartment of the caravan is the direction of effort of a person skilled in the art.
At present, the expanded space at the top of a car as a house is mainly the expansion of a ceiling, but the expansion of the ceiling is popular at present by using an electric push rod to configure a link mechanism for jacking, the roof is connected with a wall of a cabin and mainly made of foldable flexible materials, but the safety and the wind and rain resistance of the expanded ceiling are usually worried by consumers.
Disclosure of Invention
Aiming at the problems in the prior art, the jacking type expansion bin device is provided, the space is expanded in the height direction, and the expansion structure is simple and easy to realize.
The specific technical scheme is as follows:
a lift-type expansion bin device comprising: the bin comprises an upper bin body and a lower bin body, wherein a vertical extension mechanism capable of jacking the upper bin body to extend the space in the height direction is arranged at the bottom of the outer wall of the lower bin body.
Preferably, the vertical extension mechanism comprises a power piece arranged at the bottom of the outer wall of the lower bin body, a transmission mechanism connected with the power piece and a winding belt connected with the transmission mechanism, the winding belt is arranged on the outer wall of the lower bin body, and two ends of the winding belt are connected with the upper bin body; when the power part drives the winding to shrink, the upper bin body can be pulled to move upwards to expand the space, and when the power part drives the winding to relax, the upper bin body descends to move to retract the space.
Preferably, the transmission mechanism comprises a transmission connecting shaft which is connected with the power part and is arranged oppositely, a bearing seat which is connected with the end part of the transmission connecting shaft, and a guide rolling wheel which is arranged on the bearing seat, and the rolling belt is wound on the guide rolling wheel.
Preferably, the power part comprises a motor arranged at the center of the bottom of the outer wall of the lower bin body and a speed reducer connected with an output shaft of the motor, and the output shaft of the speed reducer is connected with the transmission connecting shaft.
Preferably, the outer wall top and the outer wall bottom corner of the lower bin body are both provided with guide rollers, the tape is arranged along the outer side wall and the bottom of the lower bin body under the guide effect of the guide rollers, and the tape wound on the guide rollers arranged at the top of the outer wall of the lower bin body is connected with the inner wall of the upper bin body.
Preferably, a notch is formed in the middle of the guide rolling wheel, and the rolling belt penetrates out of the notch.
Preferably, the motor is provided with a hand-operated interface shaft.
Preferably, the output end of the speed reducer is connected with the transmission connecting shaft through a universal joint.
Preferably, the outer side wall of the lower bin body is provided with a plurality of bin body guide slide rails, and the inner side wall of the upper bin body is provided with a bin body guide slide block matched with the upper bin body.
A motor home with the jacking type expansion bin device comprises a frame, wherein the jacking type expansion bin device is installed on the frame.
Compared with the prior art, the positive effects of the technical scheme are as follows:
1) according to the jacking type expansion bin device, the vertical expansion mechanism capable of jacking the upper bin body to realize space expansion in the height direction is arranged at the bottom of the outer wall of the lower bin body, namely the lower bin body is fixed, the upper bin body can perform integral jacking or descending action to realize double expansion of the bin body space, compared with side expansion, the jacking type expansion bin device expands upwards to save transverse occupied space, can also expand in a narrow parking space and has larger space expanded upwards;
2) the working principle of the invention is as follows: the vertical extension mechanism can be fixed at the bottom of the outer wall of the lower bin body or fixed on a caravan frame, the guide rolling shafts are fixed at the top of the outer wall of the lower bin body and the corner of the bottom of the outer wall, the coiled tape passes through the guide rolling wheel and is reversed by the guide rolling shafts, and two ends of the coiled tape are fixed on the fixed pivot of the lower bottom surface of the upper bin body; the motor transmits the rotary motion to the guide winding wheel through the transmission connecting shaft by the speed reduction of the worm and worm speed reducer, and the winding belt shrinks in the guide winding wheel along with the rotation of the guide winding wheel, so that the upper bin body is pulled to move upwards, and the bin body is expanded; when the upper bin body is retracted, the motor rotates reversely, and the upper bin body descends by means of the weight of the upper bin body to finish the retracting action;
3) the invention adopts the structural form that the upper bin body is sleeved outside the lower bin body, realizes the power output of the vertical lifting expanding space of the bin body by using the form of tape winding, and the upper bin body and the lower bin body are fixedly connected in the form of a sliding guide rail, so the structure is simple and easy to realize;
4) the bin walls of the upper bin body and the lower bin body are made of rigid materials, so that the bin is safe and reliable, and the defects of a ceiling are overcome;
5) because the bin body in the invention is an upper bin and a lower bin, the expansion space has advantages, the height is conveniently reduced during design, and the height-limited trafficability of vehicles is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the jacking-type expansion bin device of the present invention;
FIG. 2 is a schematic diagram of the jacking-extended structure of the jacking-extended bin device according to the present invention;
FIG. 3 is a schematic structural diagram of a lower bin body and a vertical expanding mechanism in the jacking-type expanding bin device of the invention;
FIG. 4 is a schematic structural diagram of a vertical expanding mechanism in the jacking-type expanding bin device of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 4;
FIG. 6 is an enlarged view of portion B of FIG. 4;
FIG. 7 is a top view of the portion of the structure of FIG. 4;
FIG. 8 is a schematic structural diagram of a guiding roller in the lift-type expanding bin device according to the present invention;
FIG. 9 is a schematic structural view of the caravan of the present invention;
fig. 10 is a schematic structural view of the caravan after being lifted and expanded.
In the attached drawings, 1.1, an upper bin body; 1.2, a lower bin body; 2. coiling; 3. a motor; 3.1, hand-cranking interface shaft; 4. a speed reducer; 4.1, universal joints; 5. a transmission connecting shaft; 6. a bearing seat; 7. a guide winding wheel; 7.1, notches; 8. a guide roller; 9. and a guide slide rail.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 protection scope of the present invention.
As shown in fig. 1 and 2, a jacking-type expanding bin device is shown, which comprises an upper bin body 1.1 and a lower bin body 1.2 which can move in the height direction, wherein the bottom of the outer wall of the lower bin body 1.2 is provided with a vertical expanding mechanism which can jack the upper bin body 1.1 to expand the space in the height direction. The vertical expansion mechanism is arranged to avoid the defects caused by lateral expansion, so that the space can be expanded at a place with a parking area not larger, and the space is expanded upwards. Although the prior art also has a method of expanding space in height, a ceiling is generally adopted for expansion, the ceiling expansion is popular at present by using an electric push rod and a connecting rod mechanism for jacking, the connection between a bin top and a bin wall is mainly made of foldable flexible materials, and the safety, wind resistance and rain resistance of the ceiling are worried by consumers. Therefore, the invention cancels the mode of ceiling expansion, and adopts the vertical expansion mechanism arranged on the lower bin body 1.2 to lift the upper bin body 1.1 so as to effectively solve the problem.
Specifically, as shown in fig. 3 and 4, the vertical expanding mechanism includes a power member mounted at the bottom of the outer wall of the lower bin body 1.2, a transmission mechanism connected with the power member, and a tape 2 connected with the transmission mechanism, the tape 2 is disposed on the outer wall of the lower bin body 1.2, and two ends of the tape 2 are connected with the upper bin body 1.1. When power spare passed through drive mechanism drive winding 2 shrink, can stimulate upper bin body 1.1 and up move in the space in order to expand the storehouse body in the direction of height, when power spare passed through drive mechanism drive winding 2 diastole, upper bin body 1.1 relied on self weight to carry out the descending motion, accomplishes the action of withdrawing the space.
More specifically, as shown in fig. 5 to 7, the power member includes a motor 3 mounted at the center of the bottom of the outer wall of the lower bin body 1.2 and a speed reducer 4 connected to an output shaft of the motor 3, the output shaft of the speed reducer 4 is connected to the transmission mechanism, the motor 3 drives the speed reducer 4 to operate, and the speed reducer 4 drives the transmission mechanism to rotate. The transmission mechanism comprises a transmission connecting shaft 5 which is connected with the speed reducer 4 and is oppositely arranged, a bearing seat 6 which is connected with the end part of the transmission connecting shaft 5 and a guide rolling wheel 7 which is arranged on the bearing seat 6, and the rolling belt 2 is wound on the guide rolling wheel 7. In this embodiment, the number of the transmission connecting shafts 5 is two, the transmission connecting shafts 5 are respectively arranged on two sides of the transmission connecting shafts 5, the two transmission connecting shafts 5 are on the same straight line, the length direction of the transmission connecting shafts 5 is consistent with the length direction of the lower bin body 1.2, one end of each transmission connecting shaft 5 is connected with the speed reducer 4 through the universal joint 4.1, the other end of each transmission connecting shaft is connected with the bearing seat 6, and the guide rolling wheel 7 capable of winding the winding belt 2 is arranged on the bearing seat 6. Under the drive of motor 3, at first drive speed reducer 4 and rotate, speed reducer 4 transmission power gives transmission connecting shaft 5, and transmission connecting shaft 5 finally drives the rotation of direction reel 7, realizes rolling up or the release to winding of winding tape 2, because winding tape 2's both ends link to each other with upper bin body 1.1, winding or the release of winding tape 2 can stimulate upper bin body 1.1 up-going motion or down-going motion, realizes the extension or the withdrawal of storehouse body space. In this embodiment, the speed reducer 4 is a worm gear speed reducer 4, and the self-locking of the bin body after movement is realized by utilizing the self-locking property of the worm gear.
A notch 7.1 is formed in the middle of the guide rolling wheel 7, the rolling belt 2 penetrates out of the notch 7.1, and a groove is formed in the middle of the guide rolling wheel 7, so that the two sides can be kept in a balanced state through the rolling belt 2, as shown in fig. 8.
In this embodiment, winding 2 has two, and the distribution of cooperation transmission even axle 5 is around rolling up on the direction winding wheel 7 of transmission even axle 5 tip, and the outer wall top and the outer wall bottom corner of the storehouse body 1.2 all are equipped with direction roller bearing 8 down, make things convenient for winding 2 to arrange along the lateral wall and the bottom of the storehouse body under direction roller bearing 8's guiding action, and link to each other with the inner wall of the upper bin body 1.1 around winding 2 on the direction roller bearing 8 of establishing at storehouse body 1.2 outer wall top down. The winding 2 sets up two, and power spare sets up at storehouse body 1.2 outer wall bottom center down, when realizing that winding 2 stimulates upper bin body 1.1 up down motion, can balance the pulling force for the steady up-and-down motion of upper bin body 1.1.
In order to further enhance the stable lifting of the upper bin body 1.1, a plurality of bin body guide slide rails are arranged on the outer side wall of the lower bin body 1.2, and as shown in fig. 4, a bin body guide slide block matched with the upper bin body 1.1 is arranged on the inner side wall of the upper bin body. In this embodiment, the quantity of box direction slide rail is four, arranges along the direction parallel with winding 2 respectively, vertical direction setting promptly, sets up like this and can guarantee the upper and lower smooth and easy.
In addition, the motor 3 is provided with a hand-operated interface shaft 3.1, and the upper bin body 1.1 can move up and down in a manual shaking mode under the condition of ever-high speed, as shown in fig. 7.
In addition, the upper bin body 1.1 and the lower bin body 1.2 are both made of rigid materials, so that the safety of the bin body can be ensured, and wind and rain can be prevented.
The jacking type expansion bin device can be applied to a motor home, as shown in fig. 9 and 10. The caravan space is narrower, after household articles such as tables, sofas, beds, wall cupboards and the like are placed, the activity space of personnel on the caravan is limited, the device is adopted to jack and expand the height direction at present, the space is exploited, and the jacking type expansion bin device is installed on a frame of the caravan. The vertical extension mechanism can be arranged at the bottom of the outer wall of the lower bin body 1.2 and can also be arranged on a frame.
In addition, some special vehicles such as mobile dining cars and square bins have the requirement of expanding space upwards, and the jacking type expansion bin device can also be applied to the special vehicles.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, rear, inner and outer … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.

Claims (10)

1. A jacking-type extension bin device, comprising: the bin comprises an upper bin body (1.1) and a lower bin body (1.2), wherein the bottom of the outer wall of the lower bin body (1.2) is provided with a vertical expanding mechanism which can lift the upper bin body (1.1) to expand the space in the height direction.
2. The lift-type expansion bin device according to claim 1, wherein: the vertical extension mechanism comprises a power piece arranged at the bottom of the outer wall of the lower bin body (1.2), a transmission mechanism connected with the power piece and a winding belt (2) connected with the transmission mechanism, the winding belt (2) is arranged on the outer wall of the lower bin body (1.2), and two ends of the winding belt (2) are connected with the upper bin body (1.1); when the power part drives the winding (2) to contract, the upper cabin body (1.1) can be pulled to move upwards to expand the space, and when the power part drives the winding (2) to relax, the upper cabin body (1.1) descends to move to retract the space.
3. The lift-type expansion bin device according to claim 2, wherein: the transmission mechanism comprises a transmission connecting shaft (5) which is connected with the power part and is arranged oppositely, a bearing seat (6) which is connected with the end part of the transmission connecting shaft (5) and a guide rolling wheel (7) which is arranged on the bearing seat (6), and the rolling belt (2) is wound on the guide rolling wheel (7).
4. The lift-type expansion bin device according to claim 3, wherein: the power part comprises a motor (3) arranged at the center of the bottom of the outer wall of the lower bin body (1.2) and a speed reducer (4) connected with an output shaft of the motor (3), and the output shaft of the speed reducer (4) is connected with a transmission connecting shaft (5).
5. The lift-type expansion bin device according to claim 2 or 4, wherein: the outer wall top and the outer wall bottom corner of the lower bin body (1.2) all are provided with guide rollers (8), the winding (2) is arranged along the outer side wall and the bottom of the lower bin body (1.2) under the guide effect of the guide rollers (8), and the winding (2) on the guide rollers (8) arranged at the outer wall top of the lower bin body (1.2) is connected with the inner wall of the upper bin body (1.1).
6. The lift-type expansion bin device according to claim 3, wherein: notch (7.1) have been seted up in the centre of direction reel (7), winding (2) are worn out from notch (7.1).
7. The lift-type expansion bin device according to claim 4, wherein: the motor (3) is provided with a hand-operated interface shaft (3.1).
8. The lift-type expansion bin device according to claim 4, wherein: the output end of the speed reducer (4) is connected with the transmission connecting shaft (5) through a universal joint (4.1).
9. The lift-type expansion bin device according to claim 5, wherein: the outer side wall of the lower bin body (1.2) is provided with a plurality of bin body guide slide rails, and the inner side wall of the upper bin body (1.1) is provided with a bin body guide slide block matched with the upper bin body.
10. A caravan having the lifting type extension bin device as claimed in any one of claims 1 to 9, comprising a frame, wherein: the jacking type expansion bin device is installed on the frame.
CN202011432314.0A 2020-12-10 2020-12-10 Jacking type expansion bin device and application thereof Pending CN112572275A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011432314.0A CN112572275A (en) 2020-12-10 2020-12-10 Jacking type expansion bin device and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011432314.0A CN112572275A (en) 2020-12-10 2020-12-10 Jacking type expansion bin device and application thereof

Publications (1)

Publication Number Publication Date
CN112572275A true CN112572275A (en) 2021-03-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011432314.0A Pending CN112572275A (en) 2020-12-10 2020-12-10 Jacking type expansion bin device and application thereof

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CN (1) CN112572275A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202320037U (en) * 2011-11-26 2012-07-11 广东信源物流设备有限公司 Variable capacitance type double-layer exhibition vehicle
CN204138276U (en) * 2014-10-20 2015-02-04 吉林省畅翔机电科技有限公司 Lifting system with wire rope on top of two-storey caravan
WO2015124031A1 (en) * 2014-02-22 2015-08-27 吉林省畅翔机电科技有限公司 Raisable double-decker motorhome
CN208665040U (en) * 2018-08-15 2019-03-29 杭州恒宏机械有限公司 A kind of caravan expansion structure component

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202320037U (en) * 2011-11-26 2012-07-11 广东信源物流设备有限公司 Variable capacitance type double-layer exhibition vehicle
WO2015124031A1 (en) * 2014-02-22 2015-08-27 吉林省畅翔机电科技有限公司 Raisable double-decker motorhome
CN204138276U (en) * 2014-10-20 2015-02-04 吉林省畅翔机电科技有限公司 Lifting system with wire rope on top of two-storey caravan
CN208665040U (en) * 2018-08-15 2019-03-29 杭州恒宏机械有限公司 A kind of caravan expansion structure component

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CB03 Change of inventor or designer information

Inventor after: Lu Jiangqiang

Inventor after: Lu Ming

Inventor after: Wang Guozhong

Inventor after: Hu Yafeng

Inventor after: Yu Yuehui

Inventor after: Liu Weijun

Inventor after: Zhang Wenming

Inventor before: Lu Jiangqiang

Inventor before: Yu Laiming

Inventor before: Lu Ming

Inventor before: Wang Guozhong

Inventor before: Hu Yafeng

Inventor before: Yu Yuehui

Inventor before: Liu Weijun

Inventor before: Zhang Wenming

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CB02 Change of applicant information

Address after: 311200 hongken farm, Xiaoshan District, Hangzhou City, Zhejiang Province

Applicant after: Henghong Intelligent Equipment Co.,Ltd.

Address before: 311200 hongken farm, Xiaoshan District, Hangzhou City, Zhejiang Province

Applicant before: HANGZHOU HENGHONG MACHINERY Co.,Ltd.

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Application publication date: 20210330

RJ01 Rejection of invention patent application after publication