Electric vehicle with adjustable length
By designing the transmission and locking mechanisms, the problem of the non-adjustable length of electric vehicles has been solved, enabling flexible adjustment of the electric vehicle's length, improving load-bearing capacity and maneuverability, preventing deformation, and enhancing stability.
Patent Information
- Application Number
- CN202520575314.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-31
AI Technical Summary
Existing electric vehicles cannot adjust their length, resulting in lower load-bearing capacity and reduced maneuverability when carrying passengers or cargo.
By setting up a transmission mechanism, a locking mechanism, and an adjustable frame, and utilizing the meshing transmission of gears and racks, combined with the unlocking and locking of the locking mechanism, the length of the electric vehicle can be adjusted.
It enables flexible adjustment of the electric vehicle's length, improves load-bearing capacity and maneuverability, prevents overall deformation, and enhances stability.
Smart Images

Figure CN223791656U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric vehicle technical field, concretely is a length adjustable electric vehicle. BACKGROUND
[0002] Electric vehicle is also called "battery car", it is by battery (battery) provides electric energy, by electric motor (direct current, alternating current, series excitation, he excitation) drive's pure electric motor vehicle. In recent years, in our country has been very extensive popularization. The development of the twenty-first century, it can be said that "call green environmental protection" era, not only requires people to pay attention to energy saving, more importantly, people pay more attention to living environment and green environmental protection, to realize the sustainable development of society. Electric vehicle is the only motor vehicle that can achieve zero emission in the world.
[0003] The existing electric vehicle cannot adjust its length, and its length is fixed, so the existing electric vehicle has small carrying capacity when carrying people and goods, and if the length of the electric vehicle is directly produced, the length of the electric vehicle will be too long, which will reduce the controllability of the electric vehicle and make the electric vehicle difficult to control. CONTENT OF THE UTILITY MODEL
[0004] In view of the problems mentioned in the background art, the utility model provides a length adjustable electric vehicle to solve the problem that the existing electric vehicle cannot adjust its length and its length is fixed.
[0005] The above technical purpose of the utility model is realized by the following technical scheme:
[0006] A length adjustable electric vehicle, comprising a vehicle body, the vehicle body is provided with an inner cavity, further comprising:
[0007] A stand column is fixedly arranged in the inner cavity, and an outer thread is formed in the upper end of the stand column in the height direction;
[0008] A transmission mechanism is arranged in the inner cavity, the transmission mechanism comprises a gear and a rack, the gear is rotatably arranged on the stand column, and the rack is rotatably arranged on the stand column.
[0009] A locking mechanism comprises a sliding sleeve and a threaded sleeve, the sliding sleeve is slidably arranged on the outer side of the stand column, the sliding sleeve is rotatably connected with the threaded sleeve, the threaded sleeve is screwed on the outer thread, and the sliding sleeve is in contact with the gear, so that the transmission mechanism is in the locking state.
[0010] An adjustable frame is arranged on both sides of the vehicle body in the length direction, the rack is extended to the outer side of the inner cavity and fixedly connected with the adjustable frame.
[0011] Optionally, a slot is formed on one side of the adjusting frame relative to the vehicle body, and the two ends of the vehicle body in the length direction are inserted into the slot.
[0012] Optionally, a clamping plate is fixedly arranged on one side of the adjusting frame relative to the vehicle body, and the clamping plate is tightly attached to the outer side of the vehicle body and extends along the length direction of the vehicle body.
[0013] Optionally, the gear includes a gear body and a contact plate, and the contact plate is fixedly arranged on one end of the gear body relative to the sliding sleeve.
[0014] Optionally, the sliding sleeve includes a sleeve and a clamping block, and the clamping block is fixedly arranged on one end of the sliding sleeve relative to the gear.
[0015] Optionally, a plurality of grooves corresponding to the shape of the clamping block are formed on one end of the contact plate relative to the sliding sleeve, and the clamping block is located in the grooves.
[0016] Optionally, a bracket is fixedly arranged on the stand, and the rack is arranged on the bracket.
[0017] The utility model discloses the beneficial effect is:
[0018] 1. In the utility model, through setting up vehicle body, transmission mechanism, locking mechanism and adjusting frame, wherein, adjusting frame sets up in the two ends of vehicle body length direction, adjusting frame is connected with transmission mechanism, when adjusting the length of electric motor car, through locking mechanism, the locking state of transmission mechanism is removed, can adjust two adjusting frame positions simultaneously, after adjusting, locking mechanism is used to lock transmission mechanism again, can fix two adjusting frames simultaneously, solve the length of the existing electric motor car and cannot adjust, its length fixed problem, and the adjustment is more convenient. DRAWINGS
[0019] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation of the utility model. In the drawings:
[0020] Figure 1 It is the front view of the embodiment of the utility model;
[0021] Figure 2 It is the top view of the embodiment of the utility model;
[0022] Figure 3 It is Figure 2 The sectional view along A-A;
[0023] Figure 4 It is Figure 3An enlarged schematic view of the middle along B;
[0024] In the figure: 1, vehicle body; 101, inner cavity; 2, stand; 3, transmission mechanism; 301, gear; 3011, gear body; 3012, contact plate; 30121, groove; 302, rack; 4, locking mechanism; 401, sliding sleeve; 4011, sleeve; 4012, clamping block; 402, threaded sleeve; 5, adjusting frame; 6, clamping plate; 7, bracket. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical scheme of the utility model carry on clear, complete description, and the advantage is more clear and distinct, the following combining with the figure to the utility model embodiment carries on further detailed description.
[0026] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like is the orientation or position relationship shown based on the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.
[0027] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0028] The utility model provides a kind of electric vehicle of adjustable length.
[0029] Please refer to Figures 1-4The adjustable-length electric vehicle provided by this utility model includes a vehicle body 1, which has an inner cavity 101, and further includes: a column 2, which is fixedly disposed in the inner cavity 101, and the upper end of the column 2 in the height direction has an external thread; a transmission mechanism 3, which is disposed in the inner cavity 101, and includes a gear 301 and a rack 302, wherein the gear 301 is rotatably disposed on the column 2, and the rack 302 is meshed with the gear 301; and a locking mechanism 4, which includes: A sliding sleeve 401 and a threaded sleeve 402 are provided. The sliding sleeve 401 is slidably disposed on the outside of the column 2. The sliding sleeve 401 and the threaded sleeve 402 are rotatably connected. The threaded sleeve 402 is screwed onto the external thread. The sliding sleeve 401 is in contact with the gear 301. The transmission mechanism 3 is in contact with the locking mechanism 4, so that the transmission mechanism 3 is in a locked state. An adjusting frame 5 is provided on both sides of the length direction of the vehicle body 1. The rack 302 extends to the outside of the inner cavity 101 and is fixedly connected to the adjusting frame 5.
[0030] This utility model's technical solution involves setting up a vehicle body 1, a transmission mechanism 3, a locking mechanism 4, and adjustable frames 5. The adjustable frames 5 are located at both ends along the length of the vehicle body 1 and are connected to the rack 302 in the transmission mechanism 3. When adjusting the length of the electric vehicle, adjusting the locking mechanism 4 causes it to move upwards, moving away from the transmission mechanism 3 and releasing its locking state. This allows the two adjustable frames 5 to move in opposite directions, enabling simultaneous adjustment of both frames. After adjustment, the locking mechanism 4 is adjusted again to press against the transmission mechanism 3, locking it in place. This simultaneously fixes both adjustable frames 5, solving the problem of existing electric vehicles being unable to adjust their length and having a fixed length, while also making adjustment more convenient.
[0031] See Figure 2 In one embodiment of this utility model, the adjustable frame 5 has a slot on one side of the vehicle body 1, and both ends of the vehicle body 1 in the length direction are inserted into the slot.
[0032] In this embodiment, the two ends of the vehicle body 1 are inserted into the slots, which can effectively prevent the electric vehicle from deforming as a whole and improve the stability of the electric vehicle.
[0033] See Figure 2 In one embodiment of the present invention, a clamping plate 6 is fixedly provided on one side of the adjustable frame 5 relative to the vehicle body 1. The clamping plate 6 is close to the outer side of the vehicle body 1 and extends along the length direction of the vehicle body 1.
[0034] In the technical scheme of the embodiment, the two ends of the vehicle body 1 are inserted into the slots, the clamping plates 6 limit the adjusting frames 5, the adjusting frames 5 are prevented from being buckled, the overall deformation of the electric vehicle is effectively prevented, and the stability of the electric vehicle is improved.
[0035] Referring to Figure 4 In an embodiment of the utility model, the gear 301 includes a gear body 3011 and a contact plate 3012, and the contact plate 3012 is fixedly arranged at one end of the gear body 3011 opposite the sliding sleeve 401.
[0036] In the technical scheme of the embodiment, the contact plate 3012 is made of a material with a large friction coefficient, such as PP or a metal plate with a rubber outer surface, so that slipping is effectively prevented.
[0037] Referring to Figure 4 In an embodiment of the utility model, the sliding sleeve 401 includes a sleeve 4011 and a clamping block 4012, and the clamping block 4012 is fixedly arranged at one end of the sliding sleeve 401 opposite the gear 301.
[0038] In the technical scheme of the embodiment, the clamping block 4012 clamps the contact plate 3012 to prevent it from rotating, thereby fixing the gear 3011.
[0039] Referring to Figure 4 In an embodiment of the utility model, a plurality of grooves 30121 corresponding in shape to the clamping block 4012 are formed at one end of the contact plate 3012 opposite the sliding sleeve 401, and the clamping block 4012 is located in the groove 30121.
[0040] In the technical scheme of the embodiment, the clamping block is inserted into the groove 30121 on the contact plate 3012, the clamping block 4012 clamps the contact plate 3012 to prevent it from rotating, thereby fixing the gear 3011.
[0041] Referring to Figure 4 In an embodiment of the utility model, a bracket 7 is fixedly arranged on the stand column 2, and the rack 302 is arranged on the bracket 7.
[0042] In the technical scheme of the embodiment, the bracket 7 can be used to limit the two racks 302 to prevent the two racks 302 from being separated from the gear 301.
[0043] In addition, in the embodiment of the utility model, one of the adjusting frames 5 is provided with a handle, the other adjusting frame 5 is provided with a driving wheel for driving the electric vehicle, the inner cavity 101 of the vehicle body 1 is internally provided with a battery for providing electric energy for the driving wheel, the vehicle body 1 is provided with a containing cavity for containing the locking mechanism 4, the containing cavity is communicated with the inner cavity, the opening of the containing cavity is located at the upper end face of the vehicle body 1, the opening is provided with a cover plate for closing the containing cavity, the contact plate 3012 is located at the bottom of the containing cavity, after opening the cover plate, the position of the upper end face groove 30121 of the contact plate 3012 can be directly observed through the opening, and the transmission mechanism 3 can be conveniently locked by the locking mechanism 4.
[0044] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.
Claims
1. An electrically motorized vehicle of adjustable length comprising a body (1) provided with an internal cavity (101), characterized in that, Also include: The column (2) is fixedly arranged in the inner cavity (101), and the upper end of the column (2) in the height direction is provided with external threads; The transmission mechanism (3) is arranged in the inner cavity (101), and the transmission mechanism (3) comprises a gear (301) and a rack (302), the gear (301) is rotatably arranged on the column (2), and the rack (302) is arranged in mesh with the gear (301); The locking mechanism (4) comprises a sliding sleeve (401) and a threaded sleeve (402), the sliding sleeve (401) is slidably arranged on the outer side of the column (2), the sliding sleeve (401) is rotatably connected with the threaded sleeve (402), the threaded sleeve (402) is screwed on the external threads, and the sliding sleeve (401) is in contact with the gear (301), so that the transmission mechanism (3) is in the locking state; The adjusting frame (5) is arranged on both sides of the vehicle body (1) in the length direction, and the rack (302) extends to the outside of the inner cavity (101) and is fixedly connected with the adjusting frame (5).
2. An electrically motorized vehicle of adjustable length according to claim 1, characterized in that: The adjusting frame (5) is provided with a slot on one side of the vehicle body (1), and both ends of the vehicle body (1) in the length direction are inserted into the slot.
3. The adjustable length electric vehicle of claim 1, wherein: The adjusting frame (5) is fixedly provided with a clamping plate (6) on one side of the vehicle body (1), and the clamping plate (6) is tightly attached to the outer side of the vehicle body (1) and extends along the length direction of the vehicle body (1).
4. The adjustable length electric vehicle of claim 1, wherein: The gear (301) comprises a gear body (3011) and a contact plate (3012), and the contact plate (3012) is fixedly arranged on one end of the gear body (3011) opposite to the sliding sleeve (401).
5. An adjustable length electric vehicle as claimed in claim 4 wherein: The sliding sleeve (401) comprises a sleeve (4011) and a clamping block (4012), and the clamping block (4012) is fixedly arranged on one end of the sliding sleeve (401) opposite to the gear (301).
6. An electrically motorised vehicle of adjustable length according to claim 5, characterised in that: The contact plate (3012) is provided with a plurality of grooves (30121) corresponding to the shape of the clamping block (4012) on one end opposite to the sliding sleeve (401), and the clamping block (4012) is located in the groove (30121).
7. The adjustable length electric vehicle of claim 1, wherein: The column (2) is fixedly provided with a bracket (7), and the rack (302) is arranged on the bracket (7).