CN114179704B - Sleeve type intelligent lift-able motor caravan - Google Patents
Sleeve type intelligent lift-able motor caravan Download PDFInfo
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- CN114179704B CN114179704B CN202210019696.7A CN202210019696A CN114179704B CN 114179704 B CN114179704 B CN 114179704B CN 202210019696 A CN202210019696 A CN 202210019696A CN 114179704 B CN114179704 B CN 114179704B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/32—Vehicles adapted to transport, to carry or to comprise special loads or objects comprising living accommodation for people, e.g. caravans, camping, or like vehicles
- B60P3/34—Vehicles 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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Abstract
The invention discloses a sleeve type intelligent lift-type motor caravan, relates to the technical field of motor caravans, and solves the problems that the space in the motor caravan is limited due to the requirement of regulations when the motor caravan is used, so that the use comfort and the storage capacity are affected. The telescopic intelligent liftable roof motor caravan comprises a carriage mechanism, wherein one end of the carriage mechanism is fixedly provided with a telescopic adjusting mechanism, the telescopic adjusting mechanism comprises an upper arc-shaped plate, a lower plate, a follow-up plate, a limiting plate, a guide rod, a connecting block, a limiting strip, a positioning block, a fixed bottom plate, a sealing layer, a buffer wrapping layer, a guide sliding plate and a pulley, the inner side of the fixed bottom plate is fixedly provided with a lower plate, the upper end of the lower plate is slidably connected with the follow-up plate, and the inner wall of the follow-up plate is provided with the sealing layer. The invention effectively improves the whole use space of the motor caravan and meets the requirement of the appearance size of the motor caravan after being reset by carrying out the jacking operation on the upper structure of the motor caravan.
Description
Technical Field
The invention relates to the technical field of motor caravan, in particular to a telescopic intelligent liftable top motor caravan.
Background
With the rapid development of social economy, the increasing of the number of times that people go out makes the demand for the car as a house more and more, and the car as a house has "house" and "car" two major functions concurrently, but its attribute still is the car, is a mobilizable, has the kind of car that has the essential basic facility at home, and the car as a house is the fashion facility car kind of introducing by foreign, and its house facility on the car has: furniture and electrical appliances such as bedding, stoves, refrigerators, cabinets, sofas, dining chairs, washing facilities, air conditioners, televisions, sounds and the like can be divided into driving areas, living areas, bedroom areas, sanitary areas, kitchen areas and the like, and the caravan is a fashion product integrating clothes, food, living and traveling into a whole, so that traveling in life and living in traveling are realized, and the sanitary areas are seriously related to the comfort level of the caravan.
However, the existing motor caravan is limited in space due to the requirement of regulations when in use, so that the comfort level and the storage capacity are affected; therefore, the existing requirements are not met, and for this purpose, a telescopic intelligent liftable roof motor caravan is provided.
Disclosure of Invention
The invention aims to provide a telescopic intelligent lift-type motor caravan, which aims to solve the problems that the prior motor caravan provided in the background art is limited in space due to the requirement of regulations during use, and further affects the use comfort and the storage capacity.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a telescopic intelligence can rise top motor caravan, includes carriage mechanism, carriage mechanism's one end fixed mounting has telescopic adjustment mechanism, telescopic adjustment mechanism includes upper arc, lower floor, follow-up board, limiting plate, guide bar, connecting block, spacing, locating piece, PMKD, sealing layer, buffering parcel layer, direction slide and pulley, PMKD's inboard fixed mounting has the lower floor, the upper end sliding connection of lower floor has the follow-up board, the inner wall of follow-up board is provided with the sealing layer, follow-up board upper end's outside sliding connection has spacing, the outside fixed mounting of spacing has the upper arc, the inboard fixed mounting of lower floor has three buffering parcel layer, the guide slide is installed to the inboard of buffering parcel, the up end fixed mounting of guide slide has the limiting plate, the inboard sliding connection of guide slide has the locating piece, the inboard of locating piece is provided with the pulley, the inboard of limiting plate is provided with the guide bar, the connecting block is installed to the upper end of guide bar.
Preferably, the inboard sliding connection of carriage mechanism has a jack-up mechanism, the bottom fixed mounting of jack-up mechanism has automobile body mechanism, automobile body mechanism includes automobile body, chassis and supporting baseplate, the one end fixed mounting of automobile body has supporting baseplate, the chassis is installed to the lower terminal surface of supporting baseplate.
Preferably, the carriage mechanism comprises a carriage shell, reinforcing angle plates, vehicle windows and hydraulic rods, wherein two reinforcing angle plates are arranged at one end of the carriage shell, four vehicle windows are arranged at two sides of the carriage shell, and the hydraulic rods are fixedly arranged at inner sides of four end angles of the carriage shell.
Preferably, the jacking mechanism comprises a top shell, a heat insulation buffer layer, auxiliary light-transmitting plates, reinforcing frames and wrapping sleeves, wherein four auxiliary light-transmitting plates are arranged on two sides of the top shell, the heat insulation buffer layer is fixedly arranged on the upper end face of the top shell, three reinforcing frames are uniformly and fixedly arranged on the inner side of the upper end of the top shell, and the wrapping sleeves are arranged on the inner sides of four end corners of the top shell.
Preferably, the fixed bottom plate is welded and fixed with one end of the carriage shell, the fixed bottom plate is connected and fixed with the lower layer plate through screws, the guide sliding plate is welded and fixed with the lower layer plate, and the buffer wrapping layer is wrapped on the outer side of the guide sliding plate.
Preferably, a sliding groove is formed in one side of the guide sliding plate, the pulley is arranged on the inner side of the sliding groove, the positioning block is connected with the guide sliding plate through the pulley, the positioning block is connected with the pulley through a positioning pin, and the positioning block is fixedly connected with the follower plate through a screw.
Preferably, the limiting plate is welded and fixed with the lower layer plate, the upper end of the guide rod penetrates through the middle part of the limiting plate and is inserted into the inner side of the connecting block, and the bottom end of the guide rod is connected with the limiting plate through threads.
Preferably, the inner side of the bottom end of the upper arc plate is fixedly bonded with the limiting strip, the upper end of the follow-up plate is connected with the upper arc plate through the limiting strip, and the connecting block is fixedly welded with the upper end of the follow-up plate.
Preferably, the bottom of the hydraulic rod is fixedly connected with the carriage shell through a screw, the reinforcing angle plate is fixedly connected with the carriage shell through a screw, and the carriage shell is fixedly welded with the supporting bottom plate.
Preferably, one end of the heat insulation buffer layer is welded and fixed with the upper arc plate, the top shell is connected and fixed with the heat insulation buffer layer through screws, and the wrapping sleeve is welded and fixed with the top shell.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the hydraulic rod drives the wrapping sleeve and the top shell to lift, and the heat insulation buffer layer drives the upper arc plate to lift, so that the whole service space of the motor caravan is conveniently increased, the upper arc plate is connected with the lower layer plate through the follow-up plate, the bottom end of the upper arc plate is connected with the follow-up plate through the limit strip, and the follow-up plate is driven to move upwards on the outer side of the lower layer plate through the limit strip when the upper arc plate lifts;
2. according to the invention, the lifting adjustment stability of the follow-up plate is facilitated through the guiding of the pulley, the limiting plate is arranged on the upper end face of the lower layer plate, so that the limiting plate is connected with the connecting block, the pulley is conveniently guided through the guide rod, the lateral stability of the follow-up plate is improved, and the sealing layer is arranged on the inner wall of the follow-up plate, so that the sealing effect of the structure of the follow-up plate during adjustment can be maintained through the limiting strip and the sealing layer.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a jack mechanism according to the present invention;
FIG. 3 is a schematic cross-sectional view of the whole structure of the present invention;
FIG. 4 is a schematic view of a part of the telescopic adjustment mechanism of the present invention;
FIG. 5 is a schematic view of a partial cross-sectional structure of a follower plate according to the present invention;
fig. 6 is a schematic view of a partial structure of a positioning block according to the present invention.
In the figure: 1. a vehicle body mechanism; 101. a vehicle body; 102. a chassis; 103. a support base plate; 2. a carriage mechanism; 201. a cabin case; 202. reinforcing the corner plate; 203. a vehicle window; 204. a hydraulic rod; 3. a jacking mechanism; 301. a top housing; 302. a thermal insulation buffer layer; 303. an auxiliary light-transmitting plate; 304. a reinforcing frame; 305. a wrapping sleeve; 4. a sleeve-type adjusting mechanism; 401. an upper arc plate; 402. a lower plate; 403. a follower plate; 404. a limiting plate; 405. a guide rod; 406. a connecting block; 407. a limit bar; 408. a positioning block; 409. a fixed bottom plate; 410. a sealing layer; 411. a buffer wrapping layer; 412. a guide slide plate; 413. and (3) a pulley.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
The hydraulic lever 204 (model sJYG 70-1000) of the present invention may be purchased from a market or custom made.
Referring to fig. 1 to 6, an embodiment of the present invention provides: the telescopic intelligent liftable roof motor caravan comprises a carriage mechanism 2, one end of the carriage mechanism 2 is fixedly provided with a telescopic adjusting mechanism 4, the telescopic adjusting mechanism 4 comprises an upper arc plate 401, a lower plate 402, a follower plate 403, a limiting plate 404, a guide rod 405, a connecting block 406, a limiting strip 407, a positioning block 408, a fixed bottom plate 409, a sealing layer 410, a buffer wrapping layer 411, a guide sliding plate 412 and a pulley 413, a lower plate 402 is fixedly arranged on the inner side of the fixed bottom plate 409, the follower plate 403 is slidably connected to the upper end of the lower plate 402, the sealing layer 410 is arranged on the inner wall of the follower plate 403, the limiting strip 407 is slidably connected to the outer side of the follower plate 403, an upper arc plate 401 is fixedly arranged on the outer side of the limiting strip 407, three buffer wrapping layers 411 are fixedly arranged on the inner side of the lower plate 402, a limiting plate 404 is fixedly arranged on the upper end face of the guide sliding plate 412, the inner side of the guide sliding plate 412 is slidably connected with the buffer wrapping layer 408, the inner side of the positioning block 408 is provided with a pulley 412, the pulley 413 is conveniently guided by the positioning block 413, the inner side of the sliding block 413 is conveniently kept stable by the positioning block, the upper plate 403 is conveniently and the upper sliding plate 405 is conveniently provided with the guide rod 413, and the overall size of the whole motor caravan is conveniently and the whole can be stably arranged on the upper side of the guide rod 405 through the upper connecting block 405, the upper sliding plate 405 is conveniently, the overall size of the upper sliding plate is convenient, and the overall size of the traveling car is convenient to be stably, and the upper requirement is improved, and the dimensional stability is convenient to be stably, and the upper dimensional stability is convenient to be easily and has a stable, and has a high is easy; wherein the number of the follower plates 403 can be single or multiple, the number is selected according to the height requirement of the actual vehicle body, and the plurality of the follower plates 403 are the same as the single follower plates 403 in principle.
Further, the inboard sliding connection of carriage mechanism 2 has jack-up mechanism 3, and jack-up mechanism 3's bottom fixed mounting has automobile body mechanism 1, and automobile body mechanism 1 includes automobile body 101, chassis 102 and supporting baseplate 103, and the one end fixed mounting of automobile body 101 has supporting baseplate 103, and chassis 102 is installed to supporting baseplate 103's lower terminal surface, is convenient for carry out fixed support to carriage mechanism 2 through automobile body mechanism 1.
Further, the carriage mechanism 2 includes a carriage housing 201, reinforcing angle plates 202, windows 203 and hydraulic rods 204, two reinforcing angle plates 202 are installed at one end of the carriage housing 201, four windows 203 are installed at both sides of the carriage housing 201, hydraulic rods 204 are fixedly installed at inner sides of four end angles of the carriage housing 201, and the telescopic adjusting mechanism 4 and the jacking mechanism 3 are conveniently installed through the carriage mechanism 2.
Further, the jacking mechanism 3 comprises a top shell 301, a heat insulation buffer layer 302, auxiliary light-transmitting plates 303, reinforcing frames 304 and a wrapping sleeve 305, wherein four auxiliary light-transmitting plates 303 are respectively arranged on two sides of the top shell 301, the heat insulation buffer layer 302 is fixedly arranged on the upper end face of the top shell 301, three reinforcing frames 304 are uniformly and fixedly arranged on the inner side of the upper end of the top shell 301, the wrapping sleeve 305 is respectively arranged on the inner side of four end corners of the top shell 301, and the upper part of a motor caravan is conveniently protected and adjusted in height through the jacking mechanism 3.
Further, the fixed bottom plate 409 is welded to one end of the cabin case 201, the fixed bottom plate 409 is connected to the lower plate 402 by screws, the guide slide plate 412 is welded to the lower plate 402, the buffer wrapping layer 411 is wrapped on the outer side of the guide slide plate 412, and the lower plate 402 is mounted and sealed to the bottom end of the sleeve-type adjusting mechanism 4 through the fixed bottom plate 409.
Further, a sliding groove is formed in one side of the guide sliding plate 412, a pulley 413 is arranged on the inner side of the sliding groove, a positioning block 408 is connected with the guide sliding plate 412 through the pulley 413, the positioning block 408 is connected with the pulley 413 through a positioning pin, the positioning block 408 is fixedly connected with the follow-up plate 403 through a screw, the guide sliding plate 412 is used for guiding the pulley 413 conveniently, and therefore the sliding stability of the positioning block 408 is kept conveniently.
Further, limiting plate 404 and lower plate 402 welded fastening, the upper end of guide bar 405 runs through the middle part of limiting plate 404 and pegs graft to the inboard of connecting block 406, and the bottom of guide bar 405 passes through threaded connection with limiting plate 404, is convenient for guide pulley 413 through guide bar 405, improves the lateral stability of follower plate 403.
Further, the inner side of upper arc 401 bottom and spacing 407 bond fixedly, and the upper end of follower plate 403 passes through spacing 407 with upper arc 401 and is connected, and connecting block 406 and the upper end welded fastening of follower plate 403 can carry out spacingly to follower plate 403 rise through limiting plate 404 and spacing 407.
Further, the bottom end of the hydraulic rod 204 is fixed with the carriage shell 201 through screw connection, the reinforcing angle plate 202 is fixed with the carriage shell 201 through screw connection, the carriage shell 201 is welded with the supporting bottom plate 103, and the hydraulic rod 204 is convenient for adjust the height of the jacking mechanism 3.
Further, one end of the heat insulation buffer layer 302 is welded and fixed with the upper arc plate 401, the top shell 301 and the heat insulation buffer layer 302 are connected and fixed through screws, the wrapping sleeve 305 is welded and fixed with the top shell 301, and the heat insulation buffer layer 302 is convenient for carrying out heat insulation operation on the whole upper portion.
The top shell 301 is sleeved on the outer side of the upper end of the carriage shell 201, the upper end of the hydraulic rod 204 is fixedly connected with the wrapping sleeve 305, the carriage shell 201 and the top shell 301 are connected and assembled through the hydraulic rod 204 and the wrapping sleeve 305, the fixed bottom plate 409 is fixedly connected with the carriage shell 201, the upper arc 401 and the heat insulation buffer layer 302, a power supply is connected, the hydraulic rod 204 is started, the hydraulic rod 204 drives the wrapping sleeve 305 and the top shell 301 to perform lifting operation under the supporting action of the carriage shell 201, meanwhile, the heat insulation buffer layer 302 drives the upper arc 401 to lift, the whole service space of a motor caravan is facilitated to be improved, the upper arc 401 is connected with the lower plate 403 through the following plate 403, the bottom end of the upper arc 401 is connected with the following plate 403 through the limiting strip 407, the following plate 403 is driven to move upwards on the outer side of the lower plate 402 through the limiting strip 407 when the upper arc 401 lifts, the following plate 403 is fixedly connected with the positioning block 408 through the pulley 413, the positioning block 408 is connected with the guiding slide 412, the guiding slide plate 403 is enabled to lift the upper end face of the following plate 403 through the pulley 413 to be convenient to lift, the guiding slide plate 403 is enabled to lift, the following plate 403 is enabled to be convenient to be mounted on the inner wall of the following plate 403 through the guiding strip 403, the sealing strip is enabled to be convenient to be connected with the sealing strip 410, and the sealing strip 410 is enabled to be convenient to lift the sealing strip 410.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. Sleeve type intelligence can rise top motor caravan, including carriage mechanism (2), its characterized in that: one end of the carriage mechanism (2) is fixedly provided with a sleeve type regulating mechanism (4), the sleeve type regulating mechanism (4) comprises an upper arc plate (401), a lower plate (402), a follow-up plate (403), a limiting plate (404), a guide rod (405), a connecting block (406), a limiting strip (407), a positioning block (408), a fixed bottom plate (409), a sealing layer (410), a buffer wrapping layer (411), a guide slide plate (412) and a pulley (413), the inner side of the fixed bottom plate (409) is fixedly provided with the lower plate (402), the upper end of the lower plate (402) is slidably connected with the follow-up plate (403), the inner wall of the follow-up plate (403) is provided with the sealing layer (410), the outer side of the upper end of the follow-up plate (403) is slidably connected with the limiting strip (407), the outer side of the limiting strip (407) is fixedly provided with the upper arc plate (401), the inner side of the lower plate (402) is fixedly provided with three buffer wrapping layers (411), the inner side of the buffer wrapping layer (411) is provided with a guide block (412), the inner side of the guide slide plate (412) is fixedly provided with the positioning block (408), the upper end face (412) is fixedly provided with the guide slide plate (408), a guide rod (405) is arranged on the inner side of the limiting plate (404), and a connecting block (406) is arranged at the upper end of the guide rod (405);
one side of the guide slide plate (412) is provided with a slide groove, the pulley (413) is arranged on the inner side of the slide groove, the positioning block (408) is connected with the guide slide plate (412) through the pulley (413), the positioning block (408) is connected with the pulley (413) through a positioning pin, and the positioning block (408) is fixedly connected with the follow-up plate (403) through a screw.
2. The telescopic intelligent liftable roof motor caravan of claim 1, wherein: the inside sliding connection of carriage mechanism (2) has climbing mechanism (3), climbing mechanism's (3) bottom fixed mounting has automobile body mechanism (1), automobile body mechanism (1) include automobile body (101), chassis (102) and supporting baseplate (103), the one end fixed mounting of automobile body (101) has supporting baseplate (103), chassis (102) are installed to the lower terminal surface of supporting baseplate (103).
3. The telescopic intelligent liftable roof motor caravan of claim 1, wherein: carriage mechanism (2) are including carriage casing (201), strengthen scute (202), door window (203) and hydraulic stem (204), two strengthen scute (202) are installed to one end of carriage casing (201), four door windows (203) are all installed to the both sides of carriage casing (201), the inboard of four terminal angles of carriage casing (201) is all fixed mounting have hydraulic stem (204).
4. The telescopic intelligent liftable roof motor caravan of claim 2, wherein: the lifting mechanism (3) comprises a top shell (301), a heat insulation buffer layer (302), auxiliary light-transmitting plates (303), reinforcing frames (304) and a wrapping sleeve (305), wherein four auxiliary light-transmitting plates (303) are arranged on two sides of the top shell (301), the heat insulation buffer layer (302) is fixedly arranged on the upper end face of the top shell (301), three reinforcing frames (304) are uniformly and fixedly arranged on the inner side of the upper end of the top shell (301), and the wrapping sleeve (305) is arranged on the inner side of four end corners of the top shell (301).
5. A telescopic intelligent liftable roof motor caravan as claimed in claim 3, wherein: fixed bottom plate (409) and the one end welded fastening of carriage casing (201), fixed bottom plate (409) pass through screw connection with lower plywood (402) and fix, direction slide (412) and lower plywood (402) welded fastening, buffering parcel layer (411) cladding is in the outside of direction slide (412).
6. The telescopic intelligent liftable roof motor caravan of claim 1, wherein: the limiting plate (404) is welded and fixed with the lower plate (402), the upper end of the guide rod (405) penetrates through the middle of the limiting plate (404) and is inserted into the inner side of the connecting block (406), and the bottom end of the guide rod (405) is connected with the limiting plate (404) through threads.
7. The telescopic intelligent liftable roof motor caravan of claim 1, wherein: the inner side of the bottom end of the upper arc-shaped plate (401) is fixedly bonded with a limit strip (407), the upper end of the follow-up plate (403) is connected with the upper arc-shaped plate (401) through the limit strip (407), and the connecting block (406) is fixedly welded with the upper end of the follow-up plate (403).
8. A telescopic intelligent liftable roof motor caravan as claimed in claim 3, wherein: the bottom end of the hydraulic rod (204) is fixedly connected with the carriage shell (201) through a screw, the reinforcing angle plate (202) is fixedly connected with the carriage shell (201) through a screw, and the carriage shell (201) is fixedly welded with the supporting bottom plate (103).
9. The telescopic intelligent liftable roof motor caravan of claim 4, wherein: one end of the heat insulation buffer layer (302) is welded and fixed with the upper arc plate (401), the top shell (301) is connected and fixed with the heat insulation buffer layer (302) through bolts, and the wrapping sleeve (305) is welded and fixed with the top shell (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210019696.7A CN114179704B (en) | 2022-01-10 | 2022-01-10 | Sleeve type intelligent lift-able motor caravan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210019696.7A CN114179704B (en) | 2022-01-10 | 2022-01-10 | Sleeve type intelligent lift-able motor caravan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114179704A CN114179704A (en) | 2022-03-15 |
| CN114179704B true CN114179704B (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210019696.7A Active CN114179704B (en) | 2022-01-10 | 2022-01-10 | Sleeve type intelligent lift-able motor caravan |
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| Country | Link |
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| CN (1) | CN114179704B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4262956A (en) * | 1978-04-03 | 1981-04-21 | Kellam L Birt | Vehicle with raisable roof |
| CN103770691A (en) * | 2014-02-22 | 2014-05-07 | 石国祥 | Support lifting double-layer sedan |
| CN203739737U (en) * | 2014-02-22 | 2014-07-30 | 石国祥 | Supporting and lifting type double-layer motor home |
| DE102017118149A1 (en) * | 2017-08-09 | 2019-02-14 | Webasto SE | Motor vehicle with a vehicle roof |
| CN208760397U (en) * | 2018-09-10 | 2019-04-19 | 长沙霞客乐汽车制造有限公司 | Caravan and its liter top formula compartment with locking mechanism |
| CN112373378A (en) * | 2021-01-18 | 2021-02-19 | 山东舜晟冲压科技股份有限公司 | Cover-supporting type carriage |
| CN112776702B (en) * | 2021-02-08 | 2022-07-01 | 江苏途酷房车科技有限公司 | Multifunctional hard-top lifting motor home |
| CN112977643B (en) * | 2021-02-08 | 2022-02-25 | 江苏途酷房车科技有限公司 | Split type guide plate top-lowering motor caravan |
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2022
- 2022-01-10 CN CN202210019696.7A patent/CN114179704B/en active Active
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| CN114179704A (en) | 2022-03-15 |
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