CN201999110U - Adjustable seat cushion device for tricycle - Google Patents

Abstract

The invention discloses an adjustable seat cushion device for a tricycle, comprising a frame unit, a seat cushion unit and a back cushion unit. The frame unit comprises a frame with two slide rails arranged in the middle of the frame. The seat cushion unit comprises a movable seat, a seat rod and a seat cushion. The movable seat is slidably arranged on the slide rails so that the seat cushion can be adjusted and moved forward and backward. The back cushion unit comprises a support rod, a back cushion, two pivot tubes, two T-shaped tubes and two auxiliary rods. The back cushion can be adjusted and moved up and down on the support rod, the T-shaped tube can be adjusted and rotated left and right on the pivot tube, and the auxiliary rod can be adjusted and moved forward and backward on the T-shaped tube, thereby allowing the seat cushion and the back cushion to be adjusted to a position suitable for the user's body to achieve the effect of convenient use.

Description

Adjustable seat cushion device for tricycle

technical field

The utility model relates to a tricycle, in particular to an adjustable seat cushion device of a tricycle which allows the positions of a seat cushion and a back cushion to be quickly adjusted.

Background technique

Referring to shown in Fig. 1, general tricycle 10 mainly has a front vehicle frame 11, a front wheel 12 that is located on the front vehicle frame 11, a handle 13 that is installed on the front vehicle frame 11 top, a connection is located at the front A seat cushion group 14 at the rear of the vehicle frame 11, a rear vehicle frame 15 arranged at the rear of the front vehicle frame 11, two axles arranged at the rear wheels 16 at both sides of the rear vehicle frame 15, and a rear wheel 16 installed at the front of the vehicle frame 11. 1. The pedal mechanism 17 in the middle of the rear frame 11, 15, the pedal mechanism 17 is provided with two pedal sets 171 for the user's feet to step on, and a chain wheel set that can be rotated in conjunction with the pedal set 171 172, the sprocket wheel set 172 can drive the two rear wheels 16 to rotate, thereby allowing the whole tricycle 10 to move forward.

The structure of the above-mentioned tricycle 10 can indeed achieve the effect of pedaling forward, but there are still shortcomings in use that need to be improved. Generally, the seat cushion group 14 of the tricycle 10 includes a seat post 141 and a seat post 142 connected to the upper end of the seat post 141. , wherein the lower end of the connecting rod 141 is fixedly connected to the front frame 11, and the seat cushion 142 cannot be adjusted and moved forward and backward. When users of different heights use the tricycle 10, the position of the seat cushion 142 cannot be adjusted according to the height of the user , when the user's feet are stepping on the pedal set 171, there will be a situation where the feeling of stuttering is not smooth.

Utility model content

The purpose of the utility model is to provide an adjustable seat cushion device of a tricycle which allows the seat cushion and the back cushion to have the effect of quickly adjusting the position.

The utility model provides an adjustable seat cushion device of a tricycle, which comprises a vehicle frame unit, a seat cushion unit and a back cushion unit, the vehicle frame unit has a vehicle frame, and a front wheel with a shaft arranged in front of the vehicle frame , a handle arranged on the top of the frame, two axles arranged on the rear wheel at the rear of the frame, and a pedal mechanism arranged on the frame to drive the rear wheel, characterized in that: the middle of the frame is along the A slide rail is provided in the front and rear directions; the seat cushion unit has a movable seat that is slid on the slide rail and can be adjusted and moved in the front and rear direction, a seat post connected to the movable seat, and a seat cushion arranged at the upper end of the seat post; The back pad unit has a support rod connected to the rear of the seat cushion, a back pad that is slidably arranged on the support rod and can be adjusted and moved in the up and down direction, two pivot pipes arranged on both sides of the back pad, two plug-in A T-shaped tube that can be adjusted and rotated in the left-right direction in the pivoting tube, and two auxiliary rods that are set in the T-shaped tube and can be adjusted and moved in the front-to-back direction.

According to the adjustable seat cushion device of the tricycle according to the utility model, the movable seat has an upper cover plate fitted on the upper side of the slide rail, a lower cover plate fitted on the lower side of the slide rail, and a screw set on the upper , The locking piece in the middle of the lower cover.

According to the adjustable seat cushion device of the tricycle according to the utility model, the back cushion unit includes a first locking member which is arranged on the back cushion and can fasten the support rod.

According to the adjustable seat cushion device of the tricycle according to the utility model, the back cushion unit includes a second locking member arranged on the pivot tube to fasten the T-shaped tube.

According to the adjustable seat cushion device of the tricycle according to the utility model, the back cushion unit includes a third locking member which is arranged on the T-shaped pipe and can fasten the auxiliary rod.

In the adjustable seat cushion device of the tricycle according to the utility model, a support plate is arranged at the front end of the auxiliary rod.

In the adjustable seat cushion device of the tricycle according to the utility model, a belt is arranged at the front end of the auxiliary rod.

The beneficial effect of the utility model is that the seat cushion is slidably arranged on the slide rail of the frame unit by using the movable seat, so that the whole seat cushion unit can be adjusted and moved back and forth, and the back cushion unit is provided with a back cushion that can be adjusted and moved up and down, and the seat cushion The position of the back pad and the back pad can be adjusted according to the user's body, so as to achieve the effect of convenient use.

Description of drawings

Fig. 1 is the perspective view of general tricycle;

Fig. 2 is the perspective view of a preferred embodiment of the adjustable seat cushion device of the utility model tricycle, illustrating that the utility model has a vehicle frame unit, a seat cushion unit and a back cushion unit;

Fig. 3 is a plan view of the above-mentioned preferred embodiment, illustrating that the seat cushion unit has a movable seat, a pole and a cushion;

Fig. 4 is a sectional view along line IV-IV of Fig. 3, illustrating that the movable seat has an upper cover plate, a lower cover plate and a locking member;

Fig. 5 is the adjustment action figure of above-mentioned preferred embodiment;

Fig. 6 is a perspective view of the above-mentioned preferred embodiment, illustrating the situation of viewing the back pad unit from the rear;

Fig. 7 is the rear view of the above-mentioned preferred embodiment, illustrating that the back pad unit has a back pad that can be adjusted and moved in the up and down direction;

Fig. 8 is a top view of the above-mentioned preferred embodiment, illustrating that the back pad unit has two T-shaped tubes that can be adjusted and rotated along the left and right directions;

FIG. 9 is a perspective view of the above preferred embodiment, illustrating that the back pad unit has two auxiliary rods that can be adjusted and moved along the front and rear directions.

Detailed ways

Regarding the aforementioned and other technical contents, features and effects of the present utility model, the following cooperation reference drawings and the description of a preferred embodiment will clearly show that the adjustable tricycle of the utility model will be adjusted through the most preferred embodiment and accompanying drawings below. The seat cushion device is described in detail.

Referring to Fig. 2, the adjustable seat cushion device of the tricycle of the present invention is not only used in the field of tricycles, but also can be used in the field of two-wheeled vehicles or four-wheeled vehicles with similar components. A preferred implementation of the utility model is listed below For example, it mainly belongs to a tricycle for medical auxiliary purposes, which includes a frame unit 20, a seat cushion unit 30 and a back cushion unit 40, and then, the components and combined spatial forms of the above units will be described in detail later .

The vehicle frame unit 20 has a vehicle frame 21, a front wheel 22 arranged at the front of the vehicle frame 21, a handle 23 arranged at the top of the vehicle frame 21, a rear wheel 24 arranged at the rear of the vehicle frame 21 with two axes, And one is arranged on the pedal mechanism 25 that can drive trailing wheel 24 on the vehicle frame 21, and this vehicle frame 21 middle place is provided with two slide rails 211 along the front and rear direction, and a gap 212 is separated in the middle of two slide rails 211 (seeing in Fig. 4 ).

Referring to Fig. 3 and Fig. 4, the seat unit 30 has a movable seat 31 slidably arranged on the slide rail 211, a seat post 32 connected to the movable seat 31, and a seat post 32 arranged above the seat post 32. Seat cushion 33, in this embodiment, this movable seat 31 has an upper cover plate 311 that fits at the place above the slide rail 211, a lower cover plate 312 that fits at the place below the slide rail 211, and a screw on the The locking member 313 in the middle of the upper and lower cover plates 311, 312, the upper and lower cover plates 311, 312 are plates covered on the slide rail 211, and the locking member 313 passes through the gap between the two slide rails 211 by the lower cover plate 312 212 and screwed into the upper cover 311, so that the cushion unit 30 can be adjusted and moved along the slide rail 211 in the front and rear directions (as shown in Figure 5). 313 will push the lower cover plate 32 upwards, so that the upper and lower cover plates 31, 32 can be clamped together on the slide rail 211, so that the front and rear positions of the seat cushion unit 30 can be fixed.

Referring to Fig. 6 and Fig. 7, the back pad unit 40 has two support rods 41 arranged behind the seat cushion 33, a back pad 42 slidably arranged on the support rod 41, and two back pads 42 arranged on the back pad 42 to be aligned. The support rod 41 is used as the first locking member 43 for fastening, two pivot tubes 44 arranged at the two sides of the back pad 42, two T-shaped tubes 45 inserted on the pivot tube 44, two T-shaped tubes 45 arranged on the pivot tube 44 for The second locking member 46 for fastening the T-shaped pipe 45, two auxiliary rods 47 set in the T-shaped pipe 45, and two third locks arranged on the T-shaped pipe 45 to fasten the auxiliary rod 47 Firmware 48; back pad 42 is provided with two sleeves 421 at the back, and the two sleeves 421 are inserted into the two support rods 41 so that the entire back pad 42 can be adjusted and moved in the up and down direction. The first locking member 43 is screwed on the sleeve 421 On the top, the first locking member 43 can be screwed against the support rod 41, thereby allowing the back pad 42 to be fixed on the support rod 41, so that the back pad 42 can be properly adjusted according to the height of the user; see Fig. 6, Fig. As shown in 8, the lower end of the T-shaped tube 45 penetrates into the pivoting tube 44. The T-shaped tube 45 can rotate and move in the left and right direction with the pivoting tube 44 as the axis. The second locking member 46 is arranged on the pivoting tube 44. The second locking member 46 can make the inner wall of the pivot tube 44 press the T-shaped tube 45 tube body, and fix the position of the auxiliary rod 47 to swing left or right, so that it can be adjusted according to the width of the user's body; see Fig. 6, Fig. As shown in 9, the auxiliary rod 47 penetrates into the upper end of the T-shaped tube 45 and can be adjusted and moved along the front and rear directions. The third locking member 48 is arranged on the T-shaped tube 45. Pressing the third locking member 48 can force the inner wall of the T-shaped tube 45 Tighten the shaft of the auxiliary rod 47, thereby the length that the auxiliary rod 47 protrudes can be fixed; Referring again to shown in Figure 2, the front end of the auxiliary rod 47 is provided with a support plate 471, which can effectively support the user's body and assist The front end of the rod 47 is also provided with a belt 472, which can be further used by the user to bind and fix the body.

The above is an overview of the shape of the adjustable seat cushion device component of the tricycle of the present invention; then, the effect that the utility model is expected to achieve is stated as follows:

(1). The utility model uses the movable seat 31 of the seat cushion unit 30 to fit on the slide rail 211 of the frame unit 20, so that the entire seat cushion unit 30 can be adjusted and moved along the front and rear directions, so that the utility model can be used in response to According to the height of the user, the position of the seat cushion 33 is adjusted appropriately, so that the user has a comfortable and smooth use effect when stepping on the pedal.

(2). The back pad unit 40 of the utility model has a back pad 42, which can move up and down along the support rod 41, so that the height of the back pad 42 can be adjusted according to the height of the user, and the auxiliary rod 47 can be moved along the front and rear directions. Move, and use the T-shaped tube 45 to rotate left and right, and then lock it with the first, second and third locking members 43, 46, 48, so that the back pad 40 can properly adjust its position in response to the human body, so this The utility model has a quick and convenient adjustment function.

Claims (7)

1. An adjustable seat cushion device for a tricycle, comprising a vehicle frame unit, a seat cushion unit and a back cushion unit, the vehicle frame unit has a vehicle frame, a front wheel with an axle located at the front of the vehicle frame, a The handle provided on the top of the vehicle frame, the rear wheels with two shafts located at the rear of the vehicle frame, and a set of pedal mechanisms arranged on the vehicle frame to drive the rear wheels are characterized in that: A slide rail is arranged in the middle of the vehicle frame along the front-to-back direction; The seat cushion unit has a set of movable seats slid on the slide rails and can be adjusted and moved along the front and rear directions, a seat post connected to the movable seats, and a seat cushion arranged at the upper end of the seat post; and The back pad unit has a support rod connected to the back of the seat cushion, a back pad which is slid on the support rod and can be adjusted and moved in the up and down direction, two pivot pipes arranged on both sides of the back pad, Two T-shaped tubes are inserted in the pivot tube and can be adjusted and rotated in the left and right direction, and two auxiliary rods are sleeved in the T-shaped tube and can be adjusted and moved in the front and rear directions. 2. The adjustable seat cushion device of a tricycle according to claim 1, wherein the movable seat has an upper cover fitted over the slide rail, and a lower cover fitted under the slide rail plate, and a locking member screwed in the middle of the upper and lower cover plates. 3 . The adjustable seat cushion device of a tricycle according to claim 1 , wherein the back cushion unit has a first locking member disposed on the back cushion and fastening the support rod. 4 . 4 . The adjustable seat cushion device of a tricycle according to claim 1 , wherein the back cushion unit has a second locking member disposed on the pivot tube and fastening the T-shaped tube. 5 . The adjustable seat cushion device of a tricycle according to claim 1 , wherein the back cushion unit has a third locking member disposed on the T-shaped tube and fastening the auxiliary rod. 6 . 6. The adjustable seat cushion device of a tricycle according to claim 1, wherein a support plate is provided at the front end of the auxiliary rod. 7. The adjustable seat cushion device of a tricycle according to claim 1, wherein a belt is provided at the front end of the auxiliary rod.

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