A front backrest armrest structure for an electric tricycle

Abstract

This utility model relates to the field of electric tricycle technology, and in particular to a front backrest armrest structure for an electric tricycle. It includes a connector, a supporting steel pipe, a mounting pipe, and a backrest. Both ends of the supporting steel pipe are provided with sheet-like connectors. The supporting steel pipe is connected to the seat via the connectors and secured with fasteners. A through hole is pre-drilled in the middle of the backrest for the mounting pipe to pass through. Both ends of the mounting pipe extend to the bent sections of the supporting steel pipe, connecting with the supporting steel pipe to form a whole. After the backrest is connected to the supporting steel pipe via the mounting pipe, a certain gap is maintained between its back and the horizontal section of the supporting steel pipe. A limiter is installed in the middle of the horizontal section of the supporting steel pipe. The limiter divides the gap formed between the supporting steel pipe and the back of the backrest into two symmetrical armrest areas. This utility model, without changing the traditional backrest structure, moves the backrest forward to create space for the armrest area; compared with the prior art, the armrest area is more rationally and safely designed.

Description

Technical Field

[0001] This utility model relates to the field of electric tricycle technology, and in particular to a front backrest armrest structure for an electric tricycle. Background Technology

[0002] Electric tricycles are a common mode of transportation. For two-row electric tricycles, backrests are typically installed in both the first and second rows to improve safety. However, due to the limited space in two-row electric tricycles, and the fact that the first row is a single seat, installing a front backrest means that second-row passengers lack armrests. This forces second-row passengers to hold onto the front seat cushion, inevitably compressing their hands and resulting in a poor experience. Existing technology extends the mounting tubes of the second-row seat cushions to both sides of the seat, allowing passengers to hold onto armrests mounted on these extensions. However, this layout reduces the space for getting in and out. Therefore, designing an armrest structure for second-row passengers is a pressing technical problem that needs to be solved. Utility Model Content

[0003] The purpose of this utility model is to address the problems existing in the background technology by proposing a front backrest armrest structure for an electric tricycle.

[0004] The technical solution of this utility model is a front backrest armrest structure for an electric tricycle, including a connector, a supporting steel pipe, an installation pipe, and a backrest;

[0005] Both ends of the supporting steel pipe are equipped with plate-shaped connectors; the supporting steel pipe is connected to the seat bucket through the connectors and locked with fasteners.

[0006] The installed support steel pipe forms an installation area on one side of the seat for the backrest to be installed; a through hole is reserved in the middle of the backrest for the installation pipe to pass through; both ends of the installation pipe extend to the bent section of the support steel pipe, connect with the support steel pipe and form a whole.

[0007] After the backrest is connected to the supporting steel pipe through the installation pipe, a certain gap is left between its back and the horizontal section of the supporting steel pipe;

[0008] A limiter is installed in the middle of the horizontal section of the supporting steel pipe; the limiter divides the gap between the supporting steel pipe and the backrest into two symmetrical armrest areas.

[0009] Preferably, the limiter does not contact the back of the backrest.

[0010] Preferably, the contact surface between the backrest and the user's back is designed to be curved.

[0011] Preferably, the top of the tub is fitted with a cushion filled with sponge.

[0012] Preferably, the backrest includes a padding layer, a support layer, and a back panel;

[0013] The support layer and the back panel form the skeleton layer of the backrest; the padding layer is located on the side of the support layer facing the user and is a flexible layer.

[0014] The combination of the padding layer, support layer, and backing plate creates a space on the inside for the installation pipe to pass through.

[0015] Preferably, a number of positioning posts are provided on the support layer, and pins are provided on the corresponding back plate; the pins are inserted into the positioning posts to align and install the support layer with the back plate.

[0016] Preferably, a ring of slots is provided along the support layer, and the same number of buckles are provided on the corresponding back plate; the buckles are inserted into the slots to securely install the support layer and the back plate.

[0017] Preferably, a number of locking elements are provided on the support layer; when the support layer is connected to the mounting pipe, it is secured by the locking elements.

[0018] Preferably, the locking member is a thin, brittle component, and a fracture induction groove is provided at the connection between the locking member and the support layer.

[0019] Preferably, both the supporting steel pipe and the installation pipe are hollow round pipes.

[0020] Compared with the prior art, the present invention has the following beneficial technical effects:

[0021] This invention, without altering the traditional backrest structure, moves the backrest forward to create space for the armrest area. Compared to existing technologies, the armrest area is more rationally and safely designed. Furthermore, the overall backrest structure can be made thinner to reduce its impact on the front row space. The combination of a thin and thick backrest structure allows for greater deformation during impacts, facilitating detachment and reducing the risk to the hands. Attached Figure Description

[0022] Figure 1 This is a structural schematic diagram of the installation position of the handrail in an embodiment of the present utility model;

[0023] Figure 2 This is a top view of the installation position of the handrail in this embodiment of the utility model;

[0024] Figure 3 This is a front perspective view of the armrest structure in an embodiment of the present utility model;

[0025] Figure 4 This is a rear perspective view of the armrest mounting structure according to an embodiment of the present utility model;

[0026] Figure 5 This is one of the schematic diagrams of the internal structure of the backrest in an embodiment of the present invention;

[0027] Figure 6This is the second schematic diagram of the internal structure of the backrest in an embodiment of the present invention.

[0028] Reference numerals: 1. Seat bucket; 11. Seat cushion; 2. Connector; 3. Supporting steel pipe; 4. Backrest; 41. Cushion layer; 42. Supporting layer; 421. Arc groove; 422. Positioning post; 423. Slot; 424. Locking element; 43. Back panel; 431. Buckle; 432. Pin; 5. Mounting tube; 6. Limiter; 7. Armrest area. Detailed Implementation

[0029] Example 1

[0030] like Figure 1-2 As shown, the present invention proposes a front backrest armrest structure for an electric tricycle, including a connector 2, a supporting steel pipe 3, an mounting pipe 5, and a backrest 4; both ends of the supporting steel pipe 3 are provided with sheet-like connectors 2; the supporting steel pipe 3 is connected to the seat bucket 1 through the connectors 2 and locked with fasteners; in this embodiment, after the supporting steel pipe 3 is tightly connected, the front backrest 4 structure is formed, at which time the angle of the backrest 4 is fixed and cannot be adjusted.

[0031] like Figure 2 As shown, the installed support steel pipe 3 forms an installation area on one side of the seat bucket 1 for the installation of the backrest 4; a through hole is reserved in the middle of the backrest 4 for the installation pipe 5 to pass through; both ends of the installation pipe 5 extend to the bent section of the support steel pipe 3, connecting with the support steel pipe 3 to form a whole; after the backrest 4 is connected to the support steel pipe 3 through the installation pipe 5, a certain gap is left between its back and the horizontal section of the support steel pipe 3; a limiter 6 is set at the middle position of the horizontal section of the support steel pipe 3; the limiter 6 divides the gap formed by the support steel pipe 3 and the back of the backrest 4 into two symmetrical armrest areas. It is safer for passengers in the second row to hold the armrest area 7; and the back of the backrest 4 and the installation pipe 5 do not come into contact with the hands. Figure 3 As shown, the limiter 6 does not contact the back of the backrest 4. The contact surface between the backrest 4 and the user's back is curved. When a front passenger's back rests against the backrest 4, even if the backrest 4 deforms slightly, there is still a gap between it and the limiter 6. However, when the backrest 4 is subjected to a stronger impact, the limiter 6 can come into contact with the backrest 4, thus leaving space for the armrest area 7 and reducing the chance of hand injury to passengers.

[0032] like Figure 5As shown, the top of the seat 1 is equipped with a sponge-filled cushion 11. The backrest 4 includes a cushion layer 41, a support layer 42, and a back panel 43. The support layer 42 and the back panel 43 constitute the skeleton layer of the backrest 4. The cushion layer 41 is located on the side of the support layer 42 facing the user and is a flexible layer. After the cushion layer 41, support layer 42, and back panel 43 are combined, a space is formed on the inside for the installation tube 5 to pass through. Several positioning posts 422 are provided on the support layer 42, and corresponding pins 432 are provided on the back panel 43. The pins 432 are inserted into the positioning posts 422 to align and install the support layer 42 and the back panel 43. Figure 6 As shown, a ring of slots 423 is provided along the support layer 42, and the same number of buckles 431 are provided on the corresponding back plate 43; the buckles 431 are inserted into the slots 423 to securely install the support layer 42 and the back plate 43, and several locking parts 424 are provided on the support layer 42; when the support layer 42 is connected to the mounting tube 5, it is secured by the locking parts 424. The locking parts 424 are thin and brittle components, and a fracture induction groove is provided at the connection position between the locking parts 424 and the support layer 42.

[0033] In this embodiment, when a passenger encounters a violent impact, such as a car accident, the backrest 4 will undergo a large deformation toward the supporting steel pipe 3. Due to the connection between the mounting pipe 5 and the supporting steel pipe 3, the supporting steel pipe 3 will deform toward the passenger compartment, thereby reducing some of the impact force. In addition, the limiter 6 will abut against the backrest 4, so that the back panel 43 is subjected to a supporting force, while the supporting layer 42 and the arc-shaped pad 41 will deform themselves, gradually straightening from an arc shape. At this time, the fracture induction groove at the connection with the locking member 424 will break, causing the locking member 424 to separate from the supporting layer 42. At this time, the entire backrest 4 relative to the supporting steel pipe 3 changes from a fixed state to a rotatable state, reducing the risk of the hand being trapped by the backrest during an impact.

[0034] In this embodiment, both the supporting steel pipe 3 and the mounting pipe 5 are hollow round pipes; the supporting steel pipe 3 in the armrest area 7 can be flattened to increase the space in the armrest area 7. This utility model, without changing the traditional backrest structure, moves the backrest forward to create space in the armrest area 7; simultaneously, the overall structure of the backrest 4 can be made thinner to reduce its impact on the front row space; furthermore, the thin-thickness backrest structure allows for greater deformation under significant impact, facilitating detachment and reducing the risk to the hands.

[0035] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. A front backrest armrest structure for an electric tricycle, characterized in that, It includes connectors (2), supporting steel pipes (3), mounting pipes (5), and backrests (4); Both ends of the supporting steel pipe (3) are provided with plate-shaped connectors (2); the supporting steel pipe (3) is connected to the seat (1) through the connectors (2) and locked with fasteners; The installed support steel pipe (3) forms an installation area on one side of the seat (1) for the backrest (4) to be installed; a through hole is reserved in the middle of the backrest (4) for the installation pipe (5) to pass through; the two ends of the installation pipe (5) extend to the bent section of the support steel pipe (3), connect with the support steel pipe (3) and form a whole. After the backrest (4) is connected to the support steel pipe (3) through the installation pipe (5), there is a certain gap between its back and the horizontal section of the support steel pipe (3); A limiter (6) is installed in the middle of the horizontal section of the supporting steel pipe (3); the limiter (6) divides the gap formed between the supporting steel pipe (3) and the back of the backrest (4) into two symmetrical armrest areas.

2. The electric tricycle front backrest armrest structure according to claim 1, characterized in that, The limiter (6) does not contact the back of the backrest (4).

3. The electric tricycle front backrest armrest structure according to claim 1, characterized in that, The contact surface between the backrest (4) and the user's back is set to be curved.

4. The electric tricycle front backrest armrest structure according to claim 1, characterized in that, A cushion (11) filled with sponge is placed on top of the seat (1).

5. The electric tricycle front backrest armrest structure according to claim 1, characterized in that, The backrest (4) includes a padding layer (41), a support layer (42), and a back panel (43); The support layer (42) and the back panel (43) constitute the skeleton layer of the backrest (4); the padding layer (41) is set on the side of the support layer (42) facing the user and is a flexible layer; After the pad (41), support layer (42) and back plate (43) are combined, a space is formed on the inside for the installation tube (5) to pass through.

6. The electric tricycle front backrest armrest structure according to claim 5, characterized in that, A number of positioning posts (422) are set on the support layer (42), and a pin (432) is set on the corresponding back plate (43); the pin (432) is inserted into the positioning post (422) so that the support layer (42) and the back plate (43) are aligned and installed.

7. The electric tricycle front backrest armrest structure according to claim 5, characterized in that, A ring of slots (423) is provided along the support layer (42), and the same number of buckles (431) are provided on the corresponding back plate (43); the buckles (431) are inserted into the slots (423) to securely install the support layer (42) and the back plate (43).

8. The electric tricycle front backrest armrest structure according to claim 5, characterized in that, Several locking elements (424) are provided on the support layer (42); when the support layer (42) is connected to the mounting tube (5), it is locked by the locking elements (424).

9. The electric tricycle front backrest armrest structure according to claim 8, characterized in that, The locking member (424) is a thin and brittle component, and a fracture induction groove is provided at the connection between the locking member (424) and the support layer (42).

10. The electric tricycle front backrest armrest structure according to claim 1, characterized in that, Both the supporting steel pipe (3) and the installation pipe (5) are hollow round pipes.

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