Expansion mechanism and expansion vehicle

Abstract

The utility model provides an expansion mechanism and an expansion vehicle, the expansion mechanism comprises an expansion bin and a movable platform, the movable platform is arranged on a bearing plate, and the expansion bin is movably matched with a loading body through the movable platform, so that the expansion bin is moved outwards or retracted inwards. The expansion vehicle comprises a vehicle body and the expansion mechanism. According to the expansion mechanism provided by the utility model, through the arrangement of the expansion bin and the movable platform, the expansion bin can be retracted when not in use and can be moved out when in need, and an additional use space is provided. The expansion vehicle provided by the invention has flexible space usability.

Description

Technical Field

[0001] The present application relates to the technical field of expansion mechanisms, and in particular to an expansion mechanism for expanding a usable space and an expansion vehicle comprising the expansion mechanism. Background Art

[0002] As people's demand for mobile space increases, especially in special scenarios such as emergency rescue, camping, and mobile office, expansion warehouses, as a design that can provide additional usable space, are gaining more and more attention in scenarios such as vehicles and containers.

[0003] However, there are many deficiencies in the design of existing expansion mechanisms, such as the expansion bin's movement is not smooth enough, the supporting structure is not stable enough, and other issues, which will affect the function of the expansion mechanism and user experience in actual use.

[0004] Therefore, a new technical solution is urgently needed to improve the design of the existing expansion mechanism to provide a more stable, reliable and easy-to-operate expansion function. Utility Model Content

[0005] One purpose of the utility model is to provide a new expansion mechanism to solve the design deficiencies of existing expansion mechanisms, especially the movement of the expansion chamber and the stability of the supporting structure, so as to improve the performance of the expansion mechanism and the user experience. Another purpose of the utility model is to provide an expansion vehicle.

[0006] To achieve the first purpose, the utility model provides an expansion mechanism.

[0007] Specifically, the expansion mechanism can be installed on a loading carrier, which includes a loading plate, wherein the expansion mechanism includes an expansion bin and a movable platform, the movable platform is arranged on the loading plate, and the expansion bin forms a movable cooperation arrangement with the loading carrier through the movable platform, so that the expansion bin can be moved outward or retracted inward relative to the loading carrier.

[0008] Among them, the movable platform includes an outer tube, a support frame and a first driving mechanism. The outer tube is fixedly arranged on the lower surface of the load-bearing plate, the support frame is slidably connected to the outer tube, the first driving mechanism is fixedly arranged on the load-bearing plate, and the first driving mechanism is transmission-connected to the support frame to drive the support frame to move relative to the outer tube; the outer bottom of the expansion warehouse is slidably connected to the support frame, and the inner bottom of the expansion warehouse is slidably connected to the upper surface of the load-bearing plate.

[0009] In one implementation, the first driving mechanism includes a lower base, a lower motor, a lower gear and a lower rack. The lower base is fixed to the supporting plate, the lower motor is installed on the lower base, the lower gear is connected to the rotating output end of the lower motor, the lower rack is fixedly connected to the support frame, and the lower rack is meshingly connected to the lower gear.

[0010] In one implementation, the movable platform further includes a second driving mechanism, which is fixedly disposed on the carrier plate and is transmission-connected to the expansion bin to drive the expansion bin to move outward or retract inward relative to the carrier.

[0011] In one implementation, the second driving mechanism includes an upper base, an upper motor, an upper gear and an upper rack. The upper base is fixed to the supporting plate, the upper motor is installed on the upper base, the upper gear is connected to the rotating output end of the upper motor, the upper rack is fixedly connected to the bottom of the expansion bin, and the upper rack is meshingly connected to the upper gear.

[0012] In one implementation, the support frame includes an inner tube and a transverse tube, the number of the inner tubes is at least two, the number of the outer tubes is the same as the number of the inner tubes, the transverse tube connects the outer ends of the inner tubes, and the inner ends of the inner tubes are movably arranged inside the outer tubes.

[0013] In one implementation, the transverse tube is provided with a receiving cavity, the lower surface of the transverse tube is open and connected to the receiving cavity, and a telescopic support leg is provided in the receiving cavity.

[0014] In one implementation, the telescopic support leg includes a rotating bracket, a rotating motor, a rotating shaft and a telescopic push rod. The rotating bracket is fixedly connected to the cross tube, the rotating motor is installed on the rotating bracket, the rotating shaft is connected to the rotation output end of the rotating motor, the rotating shaft is transmission-connected to the telescopic push rod, and the rotating shaft drives the telescopic push rod to swing.

[0015] In one implementation, the load-bearing plate is provided with an upper slide rail, the support frame is provided with a lower slide rail, the outer bottom of the expansion bin is provided with a front guide wheel, the inner bottom of the expansion bin is provided with a rear guide wheel, the front guide wheel is slidably matched with the lower slide rail, and the rear guide wheel is slidably matched with the upper slide rail.

[0016] To achieve the second purpose, the utility model provides an expansion vehicle, which includes a vehicle body and the above expansion mechanism. A vehicle floor is provided inside the vehicle body, and the expansion mechanism is arranged on the vehicle floor.

[0017] Compared with the prior art, the expansion mechanism and expansion vehicle of the present application have the following beneficial effects:

[0018] (1) Flexible expansion space: The expansion warehouse can be freely retracted and moved out as needed, and can be used flexibly.

[0019] (2) Easy operation: The automated drive mechanism makes expansion operations more convenient, saving time and effort.

[0020] (3) Strong stability: The design of the support frame and telescopic legs enhances the stability of the expansion compartment and ensures safe use.

[0021] (4) Reasonable structure: The overall structural design is reasonable, making full use of the space and improving the efficiency of the expansion vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 This is a schematic diagram of the installation of the expansion mechanism in one embodiment of the present application.

[0024] Figure 2 A schematic diagram of the structure of an expansion mechanism provided in one embodiment of the present application.

[0025] Figure 3 for Figure 2 Enlarged view of part A in the middle.

[0026] Figure 4 A schematic diagram of the structure of a movable platform provided in one embodiment of the present application.

[0027] Figure 5 This is a schematic structural diagram of the movable platform provided in one embodiment of the present application from another angle, in which the outer tube is not shown.

[0028] Figure 6 A bottom schematic diagram of an expansion compartment provided in accordance with an embodiment of the present application.

[0029] Figure 7 A schematic diagram of a first driving mechanism and a second driving mechanism provided in one embodiment of the present application.

[0030] Figure 8 A schematic structural diagram of a telescopic support leg provided in one embodiment of the present application.

[0031] Fig. 9 A schematic diagram of the structure of an expansion vehicle provided in one embodiment of the present application.

[0032] Fig.10 A state diagram of an expansion vehicle with a support frame unfolded provided in one embodiment of the present application.

[0033] Fig.11 This is a state diagram of the expansion vehicle with the expansion compartment unfolded provided in one embodiment of the present application.

[0034] Description of reference numerals:

[0035] 10. Loading plate; 11. Vehicle body; 12. Vehicle floor;

[0036] 1. Expand organization; 2. Expand warehouse; 3. Activity platform;

[0037] 31. outer tube; 32. support frame; 33. first drive mechanism; 34. second drive mechanism; 35. telescopic support leg;

[0038] 321, inner tube; 322, transverse tube; 323, receiving chamber;

[0039] 331, lower machine base; 332, lower motor; 333, lower gear; 334, lower rack;

[0040] 341, upper machine base; 342, upper motor; 343, upper gear; 344, upper rack;

[0041] 351, rotating bracket; 352, rotating motor; 353, rotating shaft; 354, telescopic push rod; 3541, supporting outer rod; 3542, supporting inner rod; 3543, bayonet; 3544, supporting bottom plate;

[0042] 201, upper slide rail; 202, lower slide rail; 203, front guide wheel; 204, rear guide wheel. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0044] In this document, the terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, the meaning of "plurality" is two or more.

[0045] In addition, in this article, directional terms such as "upper" and "lower" are defined relative to the orientation of the structure schematically placed in the drawings. It should be understood that these directional terms are relative concepts. They are used for relative description and clarification, and they can change accordingly according to the change of the orientation of the structure.

[0046] See also Figures 1 to 8 The present application provides an expansion mechanism 1, which provides an expansion compartment 2 and a movable platform 3 on a carrier, so that the expansion compartment 2 can be retracted into the interior of the carrier when not in use and moved out when needed, providing additional usage space.

[0047] The carrier may be an object with an internal space, such as a vehicle, a large box, or a building component.

[0048] Combination Figure 1 to Figure 2 As shown, an embodiment of the present application provides an expansion mechanism 1, which can be installed on a carrier plate 10 of a loading body to expand the space of the loading body.

[0049] Specifically, the expansion mechanism 1 includes an expansion bin 2 and a movable platform 3. The movable platform 3 is arranged on a carrier plate 10. The expansion bin 2 is movably matched with the loading body through the movable platform 3 so that the expansion bin 2 can be moved outward or retracted inward relative to the loading body.

[0050] Combination Figure 2 As shown, the movable platform 3 includes an outer tube 31, a support frame 32 and a first driving mechanism 33. The outer tube 31 is fixedly arranged on the lower surface of the supporting plate 10, the support frame 32 is slidably connected to the outer tube 31, and the first driving mechanism 33 is fixedly arranged on the supporting plate 10. The first driving mechanism 33 is transmission-connected with the support frame 32 to drive the support frame 32 to move relative to the outer tube 31.

[0051] Combination Figure 1 and Figure 2 As shown, the outer bottom of the expansion chamber 2 is slidably connected to the support frame 32 , and the inner bottom of the expansion chamber 2 is slidably connected to the upper surface of the carrying plate 10 .

[0052] By providing the movable platform 3 and the first driving mechanism 33, the expansion compartment 2 can be freely retracted and moved out relative to the carrier, thereby increasing the usable space. In addition, the application of the first driving mechanism 33 makes the operation easier and improves the user experience.

[0053] Combination Figure 3 and Figure 7 As shown, in this embodiment, the first driving mechanism 33 includes a lower base 331, a lower motor 332, a lower gear 333 and a lower rack 334. The lower base 331 is fixed to the supporting plate 10, the lower motor 332 is installed on the lower base 331, the lower gear 333 is connected to the rotation output end of the lower motor 332, the lower rack 334 is fixedly connected to the support frame 32, and the lower rack 334 is meshedly connected to the lower gear 333.

[0054] Through the cooperation of the lower base 331, the lower motor 332, the lower gear 333 and the lower rack 334, the automatic movement of the support frame 32 is achieved, making the removal and retraction operations of the expansion compartment 2 smoother and more stable, thereby improving reliability and service life.

[0055] Combination Figure 4 As shown, the movable platform 3 also includes a second driving mechanism 34, which is fixedly disposed on the carrier plate 10 and is transmission-connected to the expansion chamber 2 to drive the expansion chamber 2 to move outward or retract inward relative to the carrier.

[0056] In other embodiments, the expansion warehouse 2 can be moved out or retracted by manual pushing and pulling. In this embodiment, the setting of the second driving mechanism 34 further improves the level of automated operation of the expansion warehouse 2, making the movement out and retraction of the expansion warehouse 2 smoother and the user operation more convenient.

[0057] Combination Figures 4 to 7 As shown, in this embodiment, the second driving mechanism 34 includes an upper base 341, an upper motor 342, an upper gear 343 and an upper rack 344. The upper base 341 is fixed to the supporting plate 10, the upper motor 342 is installed on the upper base 341, the upper gear 343 is connected to the rotation output end of the upper motor 342, the upper rack 344 is fixedly connected to the bottom of the expansion bin 2, and the upper rack 344 is meshedly connected to the upper gear 343.

[0058] By using a motor in conjunction with a rack and a gear, stable and effective movement of the support frame 32 and the expansion chamber 2 can be achieved.

[0059] In the present application, the first drive mechanism 33 and the second drive mechanism 34 can be directly fixedly mounted on the carrier plate 10, or can be fixedly connected to the carrier through a reinforcing member such as a fixing rod. Those skilled in the art can use conventional installation methods for installation, and this application does not make any special description or limitation.

[0060] Combination Figure 4 and Figure 5 As shown, in the present application, the support frame 32 includes an inner tube 321 and a cross tube 322. The number of the inner tubes 321 is at least two, the number of the outer tubes 31 is consistent with the number of the inner tubes 321, the cross tube 322 connects the outer ends of each inner tube 321, and the inner ends of the inner tubes 321 are movably arranged inside the outer tube 31.

[0061] In this embodiment, there are two outer tubes 31 and two inner tubes 321, which are arranged relative to each other so that the expansion chamber 2 is stably supported, especially when the expansion chamber 2 is completely moved out, sufficient supporting force can be provided to ensure safety and stability during use.

[0062] Combination Figure 5 As shown, in this embodiment, the transverse tube 322 is provided with a receiving cavity 323, the lower surface of the transverse tube 322 is open and connected to the receiving cavity 323, and a telescopic support leg 35 is provided in the receiving cavity 323. Through the design of the telescopic support leg 35, the expansion chamber 2 can obtain stronger support capacity during use.

[0063] Combination Figure 6As shown, the telescopic support leg 35 includes a rotating bracket 351, a rotating motor 352, a rotating shaft 353 and a telescopic push rod 354. The rotating bracket 351 is fixedly connected to the cross tube 322, the rotating motor 352 is installed on the rotating bracket 351, the rotating shaft 353 is connected to the rotating output end of the rotating motor 352, the rotating shaft 353 is transmission-connected to the telescopic push rod 354, and the rotating shaft 353 drives the telescopic push rod 354 to swing.

[0064] Combination Figure 8 As shown, in this embodiment, the telescopic push rod 354 includes a supporting outer rod 3541 and a supporting inner rod 3542. The upper end of the supporting inner rod 3542 is movably inserted into the lower end of the supporting outer rod 3541. The upper end of the supporting outer rod 3541 is provided with a bayonet 3543, which is fixedly connected to the rotating shaft 353. The bottom of the lower end of the supporting inner rod 3542 is provided with a supporting base plate 3544.

[0065] By setting the telescopic push rod 354, it can adapt to various application scenarios, especially when used on uneven ground, the level and stability of the expansion warehouse 2 can be maintained by adjusting the telescopic push rod 354, thereby increasing the flexibility of use of the expansion warehouse 2.

[0066] In this embodiment, two telescopic legs 35 may be provided, which are respectively disposed at two ends of the receiving cavity 323 of the transverse tube 322 .

[0067] Specifically, an electric mechanism may be provided inside the supporting outer rod 3541 to realize the telescopic movement of the supporting inner rod 3542, such as a structure of a motor and a transmission screw. Those skilled in the art may also use commercially available electric push rod products, or use conventional technical means in the art to realize the telescopic movement of the supporting inner rod 3542, which is not specifically described or limited in this application.

[0068] Combination Figure 1 , Figure 3 , Figure 4 and Figure 6 As shown, in this embodiment, the supporting plate 10 is provided with an upper slide rail 201, the supporting frame 32 is provided with a lower slide rail 202, the outer bottom of the expansion warehouse 2 is provided with a front guide wheel 203, and the inner bottom of the expansion warehouse 2 is provided with a rear guide wheel 204. The front guide wheel 203 slides in cooperation with the lower slide rail 202, and the rear guide wheel 204 slides in cooperation with the upper slide rail 201.

[0069] In the present application, the number of upper slide rails 201 is at least two, the number of lower slide rails 202 is consistent with the number of inner tubes 321, the number of front guide wheels 203 is not less than the number of lower slide rails 202, and the number of rear guide wheels 204 is not less than the number of upper slide rails 201; the upper slide rails 201 are arranged at corresponding positions on both sides of the bottom of the expansion warehouse 2, and the lower slide rails 202 are fixedly connected to the outer wall of the inner tube 321.

[0070] The design of the upper slide rail 201 and the lower slide rail 202 ensures that the expansion chamber 2 remains stable during movement, reduces resistance and wear during movement, and improves the smoothness of movement and the durability of the device. In addition, since the upper slide rail 201 is arranged on the carrier plate 10 and the lower slide rail 202 is arranged on the support frame 32, the expansion chamber 2 can be moved and supported by the cooperation of the guide wheel and the slide rail when extending and retracting.

[0071] Combination Fig. 9 , Fig.10 and Fig.11 As shown, an embodiment of the present application provides an expansion vehicle, which includes a vehicle body 11 and an expansion mechanism 2 . A vehicle floor 12 is provided inside the vehicle body 11 , and the expansion mechanism 1 is arranged on the vehicle floor 12 .

[0072] Combination Figures 9 to 11 In this embodiment, the process of the expansion mechanism 1 of the expansion vehicle being expanded from the folded state is as follows:

[0073] The first driving mechanism 33 drives the support frame 32 to move outward;

[0074] After the support frame 32 moves to the right position, the rotating motor 352 starts and drives the telescopic push rod 354 to rotate downward from the receiving cavity 323 to vertically downward through the rotating shaft 353;

[0075] After the telescopic support leg 35 is rotated to the downward setting position, the supporting inner rod 3542 extends downward until it contacts the ground and then stops, so as to provide support for the supporting frame 32;

[0076] The second driving mechanism 34 drives the expansion compartment 2 to move outward, and the expansion compartment 2 can be smoothly moved out through the sliding support of the upper slide rail 201 and the lower slide rail 202. When it moves to the set position, the second driving mechanism 34 stops running, and the expansion vehicle completes the deployment process.

[0077] The expansion mechanism and expansion vehicle provided by the implementation method of the present application are introduced in detail above, and the principles and implementation methods of the present application are explained by using specific embodiments. The above description is only used to help understand the method of the present application and its core mechanism; at the same time, for general technical personnel in this field, according to the ideas of the present application, there will be changes in the specific embodiments and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. An expansion mechanism, the expansion mechanism is installed on a carrier, the carrier includes a bearing plate, characterized in that: The expansion mechanism includes an expansion chamber and a movable platform, wherein the movable platform is arranged on the carrying plate, and the expansion chamber forms a movable cooperation arrangement with the loading body through the movable platform, so that the expansion chamber can be moved outward or retracted inward relative to the loading body; The movable platform comprises an outer tube, a support frame and a first driving mechanism, wherein the outer tube is fixedly arranged on the lower surface of the bearing plate, the support frame is slidably connected with the outer tube, the first driving mechanism is fixedly arranged on the bearing plate, and the first driving mechanism is transmission-connected with the support frame to drive the support frame to move relative to the outer tube; The outer bottom of the expansion bin is slidably connected to the support frame, and the inner bottom of the expansion bin is slidably connected to the upper surface of the bearing plate.

2. The expansion mechanism according to claim 1, characterized in that: The first driving mechanism includes a lower base, a lower motor, a lower gear and a lower rack. The lower base is fixed to the supporting plate, the lower motor is installed on the lower base, the lower gear is connected to the rotation output end of the lower motor, the lower rack is fixedly connected to the support frame, and the lower rack is meshingly connected to the lower gear.

3. The expansion mechanism according to claim 1, characterized in that: The movable platform further comprises a second driving mechanism, which is fixedly disposed on the carrying plate and is transmission-connected to the expansion bin to drive the expansion bin to move outward or retract inward relative to the loading body.

4. The expansion mechanism according to claim 3, characterized in that: The second driving mechanism includes an upper base, an upper motor, an upper gear and an upper rack. The upper base is fixed to the supporting plate, the upper motor is installed on the upper base, the upper gear is connected to the rotation output end of the upper motor, the upper rack is fixedly connected to the bottom of the expansion bin, and the upper rack is meshingly connected to the upper gear.

5. The expansion mechanism according to claim 1, characterized in that: The support frame includes an inner tube and a transverse tube, the number of the inner tubes is at least two, the number of the outer tubes is the same as the number of the inner tubes, the transverse tube connects the outer ends of the inner tubes, and the inner ends of the inner tubes are movably arranged inside the outer tubes.

6. The expansion mechanism according to claim 5, characterized in that: The transverse tube is provided with a receiving cavity, the lower surface of the transverse tube is open and communicated with the receiving cavity, and the receiving cavity is provided with a telescopic support leg.

7. The expansion mechanism according to claim 6, characterized in that: The telescopic support leg includes a rotating bracket, a rotating motor, a rotating shaft and a telescopic push rod. The rotating bracket is fixedly connected to the cross tube, the rotating motor is installed on the rotating bracket, the rotating shaft is connected to the rotation output end of the rotating motor, the rotating shaft is transmission-connected to the telescopic push rod, and the rotating shaft drives the telescopic push rod to swing.

8. The expansion mechanism according to claim 7, characterized in that: The telescopic push rod includes a supporting outer rod and a supporting inner rod. The upper end of the supporting inner rod is movably inserted into the lower end of the supporting outer rod. A bayonet is provided at the upper end of the supporting outer rod. The bayonet is fixedly connected to the rotating shaft. A supporting base plate is provided at the bottom of the lower end of the supporting inner rod.

9. The expansion mechanism according to claim 5, characterized in that: The bearing plate is provided with an upper slide rail, the support frame is provided with a lower slide rail, the outer bottom of the expansion bin is provided with a front guide wheel, the inner bottom of the expansion bin is provided with a rear guide wheel, the front guide wheel is slidably matched with the lower slide rail, and the rear guide wheel is slidably matched with the upper slide rail.

10. An expansion vehicle, characterized in that: The expansion vehicle comprises a vehicle body and the expansion mechanism described in any one of claims 1 to 9; a vehicle floor is provided inside the vehicle body, and the expansion mechanism is arranged on the vehicle floor.

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