CN114056221B - Car as a house extends case - Google Patents

Car as a house extends case Download PDF

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Publication number
CN114056221B
CN114056221B CN202111575312.1A CN202111575312A CN114056221B CN 114056221 B CN114056221 B CN 114056221B CN 202111575312 A CN202111575312 A CN 202111575312A CN 114056221 B CN114056221 B CN 114056221B
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China
Prior art keywords
box
case
movable box
fixed
slide
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CN202111575312.1A
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Chinese (zh)
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CN114056221A (en
Inventor
刘彦军
卢小正
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Jiangsu Xinxingxinghua Automobile Co ltd
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Jiangsu Xinxingxinghua Automobile Co ltd
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Application filed by Jiangsu Xinxingxinghua Automobile Co ltd filed Critical Jiangsu Xinxingxinghua Automobile Co ltd
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Publication of CN114056221A publication Critical patent/CN114056221A/en
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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)
  • Body Structure For Vehicles (AREA)
  • Handcart (AREA)

Abstract

The application discloses car as a house expands case relates to car as a house technical field, including fixed case and removal case, the bottom plate is drawn together to the fixed case, removal case and fixed case sliding connection, the removal bottom of the case portion is equipped with and is used for driving the gliding expansion mechanism of removal case in the fixed case, the fixed case with still be equipped with the supporting mechanism who is used for supporting the removal case between the removal case. This application is through setting up the bracing piece between fixed case and movable box, and the bracing piece can support the movable box, reduces the pressure that the extension mechanism received, avoids the extension mechanism to damage because of pressure as far as possible, has improved the durability of extension case.

Description

Car as a house extends case
Technical Field
The application relates to the technical field of motor homes, in particular to a motor home expansion box.
Background
With the social development, most of motor homes have a function of expanding a vehicle body, and the space in a carriage can be increased after the vehicle body is expanded. At present, a common carriage expanding mode in the market is a sleeve telescopic type expanding mechanism. The expansion mechanism of the telescopic expansion box adopts an electric push rod as a power unit, and the expansion and the retraction of the expansion box are controlled by the electric push rod. Electric putter 7 comprises driving motor 32, guide sleeve 5 and telescopic link 6, and driving motor 32 fixes on fixed case 1, and driving motor 32's output passes through the reducing gear box and is connected with telescopic link 6, and 5 suits of guide sleeve are on telescopic link 6, and driving motor 32 drive telescopic link 6 removes in guide sleeve 5.
In view of the above technical solutions, the inventors found that: because 5 suits of guide sleeve are on telescopic link 6, when telescopic link 6 warp, telescopic link 6 is difficult to do concertina movement at guide sleeve 5, and when expanding the case and expanding the back, because expand the case and stretch out the car as a house main part, telescopic link 6 is very easily out of shape under the action of gravity, and then leads to expanding the flexible of case and is obstructed, influences the use of expansion case.
Disclosure of Invention
In order to solve the problem of expanding case electric putter, this application provides a car as a house expansion case.
The application provides a car as a house expansion case adopts following technical scheme:
the utility model provides a car as a house expansion case, includes fixed case and movable box, the fixed case includes the bottom plate, movable box and fixed case sliding connection, the movable box bottom is equipped with and is used for driving movable box gliding expansion mechanism in fixed case, fixed case with still be equipped with the supporting mechanism who is used for supporting the movable box between the movable box.
By adopting the technical scheme, the movable box is connected with the fixed box in a sliding manner, and the expansion mechanism is arranged at the bottom of the movable box to drive the movable box to expand and retract in the fixed box; through set up the bracing piece between fixed case and movable box, the bracing piece can support the movable box, reduces the pressure that the extension mechanism received, avoids the extension mechanism to damage because of pressure as far as possible, has improved the durability of extension case.
The application is further configured to: the movable box is characterized in that a vertical plate is arranged on the bottom plate, a mounting frame is arranged on the side wall of the movable box, the supporting mechanism comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is connected with the mounting frame in a sliding mode, the other end of the first connecting rod is connected with the vertical plate in a rotating mode, one end of the second connecting rod is connected with the first connecting rod in a rotating mode, and the other end of the second connecting rod is connected with the mounting frame in a rotating mode.
Through adopting above-mentioned technical scheme, because the movable box need remove in fixed incasement, through the one end and the movable box sliding connection of the head rod with supporting mechanism, the other end and the fixed case of head rod rotate to be connected, and the one end and the head rod of second connecting rod rotate to be connected, the other end and the movable box of second connecting rod rotate to be connected, when the movable box removes, supporting mechanism can expand along with the movable box, and through mutually supporting of head rod and second connecting rod, have support and fixed action to the movable box.
The application is further configured to: the top end of the first connecting rod is provided with a roller, and the mounting frame is provided with a third slideway matched with the roller.
By adopting the technical scheme, as the first connecting rod needs to slide on the mounting frame, the friction force received by the first connecting rod when the first connecting rod moves is reduced by arranging the rolling shaft at the top end of the first connecting rod; the third slide way matched with the rolling shaft is arranged on the mounting frame, when the first connecting rod slides to the bottom of the third slide way, the movable box extends out of the fixed box to reach the maximum distance, and at the moment, the supporting mechanism can limit the unfolding distance of the movable box.
The application is further configured to: the expansion mechanism comprises an installation plate, the installation plate is fixedly installed on the movable box, a driving motor is arranged at one end of the installation plate, the output end of the driving motor is connected with a lead screw, a fixed block is matched with the lead screw in a threaded mode, and the fixed block is fixedly connected with the vertical plate.
Through adopting above-mentioned technical scheme, the extension mechanism passes through driving motor and drives the lead screw and rotate, and the drive fixed block moves along the lead screw, because the mounting panel is fixed with the movable box, the fixed block is fixed with the riser, through control driving motor corotation and reversal, under the synergism of lead screw and fixed block, realizes that the movable box can expand and withdraw in the fixed box.
The application is further configured to: the mounting panel both ends all are equipped with the curb plate, lead screw one end is passed the curb plate of mounting panel front end with driving motor connects, driving motor fixes in the curb plate outside, the lead screw other end with the terminal curb plate of mounting panel rotates and is connected.
Through adopting above-mentioned technical scheme, set up the curb plate at the mounting panel both ends, it is fixed with the lead screw through installing the lead screw between the curb plate, keep the lead screw stable, minimize the lead screw and rock at the course of the work.
The application is further configured to: and a sliding rod is arranged between the two side plates and arranged on the side edge of the screw rod.
Through adopting above-mentioned technical scheme, set up the slide bar between two curb plates, the pressure that the lead screw received can be shared to the slide, avoids the lead screw to warp because of pressure as far as possible, has prolonged extension mechanism's life.
The application is further configured to: the lead screw with the cover is equipped with the limiting plate on the slide bar, the limiting plate can slide on lead screw and slide bar, be equipped with the spacing groove on the mounting panel, the limiting plate bottom is equipped with the spacing hole with spacing groove matched with, the limiting plate with the mounting panel passes through the bolt fastening.
Through adopting above-mentioned technical scheme, because the distance that the removal case stretches out fixed case is by the mounted position of expansion mechanism and the length decision of the lead screw in the expansion mechanism, set up the limiting plate that can freely remove on lead screw and slide bar, use the bolt fixed limiting plate and mounting panel, can adjust the position of limiting plate on the mounting panel through loosening the bolt, the distance that the relative fixed block of accommodate the lead screw can remove to the control removes the length that the case stretches out fixed case.
The application is further configured to: the lower wall face of the movable box is provided with a first slide way matched with the vertical plate, and the vertical plate can slide in the first slide way.
Through adopting above-mentioned technical scheme, because the riser passes the mobile box setting, the mobile box needs slide in fixed incasement, through set up on the mobile box with riser matched with slide, when making the mobile box slide on the bottom plate, the riser can not hinder the mobile box and slide.
The application is further configured to: the bottom plate is provided with a sliding frame, and the bottom of the movable box is provided with movable wheels matched with the sliding frame.
By adopting the technical scheme, the movable box needs to slide on the bottom plate, and the friction force between the movable box and the bottom plate is reduced by arranging the movable wheels at the bottom of the movable box.
The application is further configured to: the movable box is characterized in that an outer frame is arranged on the bottom plate, guide wheels are arranged on the outer frame, a second slide way is arranged on the side wall of the movable box, the guide wheels penetrate through the second slide way and are arranged inside the movable box, and a cross rod matched with the guide wheels is arranged above the second slide way.
By adopting the technical scheme, the outer frame is arranged outside the movable box, the guide wheels penetrating through the side wall of the movable box are arranged on the outer frame, and the outer frame and the guide wheels have a supporting effect on the movable box, so that the movable box is prevented from toppling towards two sides as much as possible; because the guide wheel passes through the side wall of the movable box, the second slide way arranged on the side wall of the movable box ensures that the guide wheel does not interfere the movement of the movable box.
In summary, the present application at least includes one advantageous technical effect:
1. through set up the bracing piece between fixed case and movable box, the bracing piece can support the movable box, reduces the pressure that the extension mechanism received, avoids the extension mechanism to damage because of pressure as far as possible, has improved the durability of extension case.
2. The slide rod is arranged on the side edge of the screw rod, the slide rod is used for sharing the pressure applied to the screw rod, and the service life of the expanding mechanism is prolonged.
3. The distance that the movable box can move is limited by arranging the limiting blocks on the lead screw and the polished rod, so that the extension box can adjust the extension distance according to requirements, and the practicability of the extension box is improved.
Drawings
FIG. 1 is a cross-sectional view of a caravan expansion box in the background art;
FIG. 2 is a schematic overall structure diagram of an embodiment of the present application;
FIG. 3 is a cross-sectional view of an embodiment of the present application for embodying a support mechanism;
FIG. 4 is an exploded view of the embodiment of the present application for embodying the sliding frame and the moving wheel;
FIG. 5 is an enlarged view of portion A of FIG. 2;
FIG. 6 is a schematic overall structure diagram for embodying an expansion mechanism in the embodiment of the present application;
description of reference numerals:
1. a stationary box; 11. a base plate; 12. a vertical plate; 13. a sliding frame; 131. a fourth slideway; 14. an outer frame; 15. a guide wheel; 2. a mobile box; 21. a first slideway; 22. a moving wheel; 221. a connecting member; 23. a second slideway; 24. a cross bar; 25. a mounting frame; 251. a third slideway; 3. an expansion mechanism; 31. mounting a plate; 311. a limiting groove; 32. a drive motor; 33. a screw rod; 34. a fixed block; 35. a side plate; 36. a slide bar; 37. a limiting plate; 371. a limiting hole; 4. a support mechanism; 41. a first connecting rod; 42. a second connecting rod; 43. a roller; 5. a guide sleeve; 6. a telescopic rod; 7. an electric push rod.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The application discloses car as a house expands case, refers to fig. 2, and car as a house expands case includes fixed case 1, and sliding connection has removal case 2 in fixed case 1. Two expanding mechanisms 3 are fixedly mounted on two sides of the bottom of the movable box 2, and under the action of the expanding mechanisms 3, the movable box 2 can be unfolded or retracted in the fixed box 1. The two sides of the movable box 2 are also hinged with a supporting mechanism 4 for supporting the fixed box 1 and the movable box 2.
Referring to fig. 2 and 3, the supporting mechanism 4 includes a first connecting rod 41 and a second connecting rod 42, a mounting frame 25 is disposed on a side wall surface of the movable box 2, a roller 43 is disposed at an upper end of the first connecting rod 41, a third slideway 251 matched with the roller 43 is disposed on the mounting frame 25, the roller 43 is capable of sliding in the third slideway 251, a vertical plate 12 is fixedly connected to the bottom plate 11, the vertical plate 12 penetrates through the movable box 2, and a lower end of the first connecting rod 41 is rotatably connected to a portion of the vertical plate 12 extending out of the movable box 2; one end of the second connecting rod 42 is rotatably connected to the middle of the first connecting rod 41, and the other end of the second connecting rod 42 is rotatably connected to the lower end of the mounting bracket 25. Due to the cooperation of the first connecting rod 41 and the second connecting rod 42, when the movable box 2 is unfolded, the supporting mechanism 4 is unfolded, and the supporting mechanism 4 has supporting and fixing effects on the fixed box 1 and the movable box 2. Because the mobile box 2 needs to slide in the fixed box 1, and the vertical plate 12 passes the mobile box 2, so open at the lower wall of mobile box 2 and have the first slide 21 with vertical plate 12 matched with, when removing the incasement 2 and removing, vertical plate 12 can slide in first slide 21, can not hinder mobile box 2 to remove.
Referring to fig. 3 and 4, the fixed box 1 includes a bottom plate 11, a sliding frame 13 is fixedly connected to the bottom plate 11, the sliding frame 13 is perpendicular to the vehicle body, a fourth slide rail 131 is arranged on the upper surface of the sliding frame 13, two movable wheels 22 are arranged in each sliding frame 13, the movable wheels 22 are fixedly connected to the movable box 2 through a connecting piece 221, the connecting piece 221 can slide in the fourth slide rail 131, and the movable box 2 can slide in the fixed box 1 under the cooperation of the movable wheels 22 on the sliding frame 13. Two moving wheels 22 are simultaneously placed in the sliding frame 13, having a supporting effect on the moving box 2.
Referring to fig. 5, the expanding mechanism 3 includes a fixing block 34, and the fixing block 34 is fixedly connected to the vertical plate 12; the expanding mechanism 3 further comprises an installation plate 31, the installation plate 31 is fixedly connected to the bottom plate 11, a driving motor 32 is fixedly connected to the installation plate 31, a transmission end of the driving motor 32 is fixedly connected with the screw rod 33, a fixed block 34 is in threaded fit with the screw rod 33, and threads matched with the screw rod 33 are arranged on the fixed block 34. Since the mounting plate 31 is fixedly mounted on the movable box 2 and the fixing block 34 is fixedly mounted on the vertical plate 12, the movable box 2 can move in the fixed box 1 when the screw 33 rotates under the action of the driving motor 32.
Referring to fig. 6, two sliding rods 36 parallel to the screw 33 are further disposed between the two side plates 35, the two sliding rods 36 are disposed on two sides of the screw 33, and limit plates 37 are further sleeved on the screw 33 and the sliding rods 36, and the limit plates 37 can slide on the screw 33 and the sliding rods 36; limiting hole 371 is equipped with in the limiting plate 37 bottom, is equipped with the spacing groove 311 with spacing hole 371 matched with on the mounting panel 31, and limiting plate 37 can be fixed on mounting panel 31 through the bolt. The length that the movable box 2 can extend out of the fixed box 1 is limited by adjusting the position of the limit plate 37 on the mounting plate 31, and the limit effect is achieved.
Referring to fig. 2 and 3, the side wall of the moving box 2 is provided with a second slideway 23 matched with the guide wheel 15, the guide wheel 15 is arranged in the second slideway 23, a cross rod 24 is arranged above the second slideway 23, and the guide wheel 15 has a supporting function on the moving box 2; further, when the movable box 2 moves within the fixed box 1, the guide wheels 15 can slide within the second slide rails 23 without hindering the movement of the movable box 2.
The working principle of the embodiment is as follows: fixed block 34 fixed mounting is on fixed case 1, and mounting panel 31 fixed mounting is on mobile box 2, because driving motor 32 and mounting panel 31 fixed connection, when driving motor 32 drove lead screw 33 and rotates, mobile box 2 moved under the effect of mounting panel 31. When the movable box 2 is retracted into the fixed box 1, the upper end of the first connecting rod 41 is positioned on the top of the third slideway 251; when the movable box 2 extends out of the fixed box 1, the upper end of the first connecting rod 41 moves downwards in the third slide way 251, and the supporting mechanism 4 is unfolded; when the upper end of the first connecting rod 41 is moved to the bottom of the third slide 251, the movable box 2 is maximally extended. By arranging the support rod 4 between the fixed box 1 and the movable box 2, the support rod 4 can support the movable box 2, the pressure on the expansion mechanism 3 is reduced, and the damage of the expansion mechanism 3 caused by the pressure is avoided as much as possible; in addition, the sliding rods 36 arranged on the two sides of the screw rod 33 can share the pressure received by the screw rod 33, so that the screw rod 33 is prevented from deforming due to the pressure as much as possible, the expansion mechanism 3 cannot work, and the durability of the expansion box is improved.
The above description is only a preferred embodiment of the present application, and the protection scope of the present application is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present application. It should be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present invention may be made without departing from the scope of the present invention.

Claims (9)

1. The utility model provides a car as a house expansion case, includes fixed case (1) and movable box (2), fixed case (1) includes bottom plate (11), movable box (2) and fixed case (1) sliding connection, movable box (2) bottom is equipped with and is used for driving movable box (2) gliding expansion mechanism (3), characterized by in fixed case (1): a supporting mechanism (4) for supporting the movable box (2) is also arranged between the fixed box (1) and the movable box (2);
a vertical plate (12) is arranged on the bottom plate (11), and a mounting rack (25) is arranged on the side wall of the movable box (2);
supporting mechanism (4) include head rod (41) and second connecting rod (42), head rod (41) one end with mounting bracket (25) sliding connection, head rod (41) other end with riser (12) are rotated and are connected, second connecting rod (42) one end is rotated with head rod (41) and is connected, second connecting rod (42) other end is rotated with mounting bracket (25) and is connected.
2. The caravan expansion box of claim 1, wherein: the top end of the first connecting rod (41) is provided with a roller (43), and the mounting frame (25) is provided with a third slide way (251) matched with the roller (43).
3. The caravan expansion box of claim 1, wherein: expanding mechanism (3) include mounting panel (31), mounting panel (31) fixed mounting is on removal case (2), mounting panel (31) one end is equipped with driving motor (32), the output of driving motor (32) is connected with lead screw (33), screw-thread fit has fixed block (34) on lead screw (33), fixed block (34) and riser (12) fixed connection.
4. The recreational vehicle expansion box of claim 3, wherein: mounting panel (31) both ends all are equipped with curb plate (35), lead screw (33) one end is passed curb plate (35) of mounting panel (31) front end with driving motor (32) are connected, driving motor (32) are fixed in the curb plate (35) outside, lead screw (33) other end with terminal curb plate (35) of mounting panel (31) rotate and are connected.
5. The caravan expansion box of claim 4, wherein: a sliding rod (36) is arranged between the two side plates (35), and the sliding rod (36) is arranged on the side edge of the screw rod (33).
6. The caravan expansion box of claim 5, wherein: the utility model discloses a lead screw, including mounting panel (31), limiting plate (37), lead screw (33) and slide bar (36) go up the cover and are equipped with limiting plate (37), limiting plate (37) can slide on lead screw (33) and slide bar (36), be equipped with spacing groove (311) on mounting panel (31), limiting plate (37) bottom is equipped with spacing hole (371) with spacing groove (311) matched with, limiting plate (37) with mounting panel (31) are through the bolt fastening.
7. The caravan expansion box of claim 1, wherein: the lower wall surface of the movable box (2) is provided with a first slide way (21) matched with a vertical plate (12), and the vertical plate (12) can slide in the first slide way (21).
8. The caravan expansion box of claim 1, wherein: the bottom plate (11) is provided with a sliding frame (13), and the bottom of the movable box (2) is provided with a movable wheel (22) matched with the sliding frame (13).
9. The caravan expansion box of claim 8, wherein: be equipped with frame (14) on bottom plate (11), be equipped with leading wheel (15) on frame (14), it has second slide (23) to open on the lateral wall of removal case (2), leading wheel (15) pass second slide (23) set up inside removal case (2), second slide (23) top is equipped with horizontal pole (24) with leading wheel (15) matched with.
CN202111575312.1A 2021-12-21 2021-12-21 Car as a house extends case Active CN114056221B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111575312.1A CN114056221B (en) 2021-12-21 2021-12-21 Car as a house extends case

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111575312.1A CN114056221B (en) 2021-12-21 2021-12-21 Car as a house extends case

Publications (2)

Publication Number Publication Date
CN114056221A CN114056221A (en) 2022-02-18
CN114056221B true CN114056221B (en) 2022-08-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111575312.1A Active CN114056221B (en) 2021-12-21 2021-12-21 Car as a house extends case

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3143713A1 (en) * 1981-11-04 1983-05-11 Wolfgang 6380 Bad Homburg Nesselberger Device for supporting and levelling a caravan or the like
US6981728B2 (en) * 1999-11-23 2006-01-03 Happijac Company Sliding mechanisms and systems
CN100518703C (en) * 2005-03-03 2009-07-29 于红林 Pullable carriage structure
CN107021001B (en) * 2017-05-25 2023-06-27 上海庆华蜂巢科技发展股份有限公司 Automatic side wall board locking mechanism
CN209521611U (en) * 2019-03-01 2019-10-22 浙江农业商贸职业学院 A kind of caravan automatic sun shade awning
CN212047092U (en) * 2020-04-02 2020-12-01 丘嘉铨 Automatic extension system of automobile body
CN111619434A (en) * 2020-07-08 2020-09-04 成威 Can extend car as a house living cabin in multidimension degree

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