CN220114728U - Frame seat adjustment mechanism - Google Patents

Abstract

The utility model relates to the technical field of bicycle accessories and discloses a frame seat adjusting mechanism which comprises a seat main supporting tube arranged on a frame, wherein a reinforcing tube is arranged above the seat main supporting tube, mounting tubes are fixedly connected to two sides between the seat main supporting tube and the reinforcing tube, an inner threaded tube is rotatably connected to the upper inner part of the seat main supporting tube, a screw is connected to the right side of the reinforcing tube in an inner threaded manner, the screw is extruded on the inner threaded tube, the right end of the screw is fixedly connected with a rotating hand disc, a seat mounting rod is slidably connected to the inner part of the mounting tube, the seat mounting rod is in threaded connection with the inner threaded tube, the lower part of the seat mounting rod is inserted into the seat main supporting tube, threaded teeth matched with the inner threaded tube are respectively arranged in front of and behind the seat mounting rod, the threaded teeth are in the inner threaded tube, and the seat main body can be adjusted to a proper height conveniently and well.

Description

Frame seat adjustment mechanism

Technical Field

The utility model relates to the technical field of bicycle accessories, in particular to a frame seat adjusting mechanism.

Background

Bicycles, also known as bicycles or scooters, are typically two-wheeled small land vehicles. After riding on the bicycle, the bicycle is a green and environment-friendly transportation means by taking foot pedal as power, and mainly comprises wheels, a frame, a seat and other structures.

In the related art, reference may be made to chinese patent publication No. CN213768809U, which specifically discloses a bicycle seat height adjusting device. When the bicycle seat height adjusting device is used, the right handle of the pin shaft is pulled rightwards to enable the bicycle seat height adjusting device to move rightwards to squeeze the left side of the spring, so that the right side of the spring is supported by the locking end cover, the spring is compressed in the rightwards squeezing process, the upper half body of a bicycle can be adjusted vertically when the leftmost end of the pin shaft moves out of a positioning hole of a frame, after the bicycle seat height adjusting device is adjusted to a proper height, the pin shaft is loosened, the pin shaft is driven to move leftwards under the action of reverse spring force of the spring, quick reset is achieved, self-locking of the device in the horizontal direction is achieved under the action of initial spring force, and therefore the bicycle seat is convenient and reliable to adjust quickly.

The applicant has found that there are drawbacks in using a bicycle seat height adjustment device as described above: the seat is adjusted through the cooperation of spring and pin axle for the bolt axle is pegged graft in the locating hole, can be to the altitude mixture control and the location of seat, because the position of locating hole seting up is comparatively fixed, leads to the altitude mixture control of foraminiferous regulation pole to need carrying out appointed position adjustment according to the position of locating hole, can't carry out suitable regulation according to user's demand.

In view of this, a frame seat adjusting mechanism is proposed, which is convenient to better solve the above-mentioned problems.

Disclosure of Invention

The utility model aims at: in order to solve the above-mentioned problem, a frame seat adjusting mechanism is provided.

The technical scheme adopted by the utility model is as follows: the seat adjusting mechanism of the vehicle frame comprises a seat main supporting tube arranged on the vehicle frame, wherein a reinforcing tube is arranged above the seat main supporting tube, mounting tubes are fixedly connected to two sides between the seat main supporting tube and the reinforcing tube, an inner threaded tube is rotatably connected to the upper inner part of the seat main supporting tube, a screw is connected to the inner thread of the reinforcing tube on the right side, the screw is extruded on the inner threaded tube, and a rotary hand disc is fixedly connected to the right end of the screw;

the inside sliding connection of installation pipe has the seat installation pole, seat installation pole threaded connection is in the internal thread pipe, and in the seat main tributary support pipe is pegged graft to seat installation pole below, the seat installation pole all be equipped with the screw thread tooth of internal thread pipe looks adaptation around, and screw thread tooth threaded connection is in the internal thread pipe, the top of seat installation pole is provided with the seat body.

In a preferred embodiment, the reinforcement tube is of U-shaped configuration and is welded to the seat main support tube and the mounting tube.

In a preferred embodiment, the lower end of the internally threaded tube is mounted above the interior of the seat main support tube by bearings.

In a preferred embodiment, a threaded hole matched with the screw rod is formed in the right side of the reinforcing pipe, and the screw rod is in threaded connection with the threaded hole.

In a preferred embodiment, the outer diameter of the rotary hand disk is larger than the inner diameter of the threaded hole formed in the right reinforcing pipe.

In a preferred embodiment, the limiting blocks are fixedly connected to two sides of the inner wall of the mounting tube, limiting grooves matched with the limiting blocks are formed in two sides of the seat mounting rod, and the limiting grooves are in sliding connection with the limiting blocks.

In a preferred embodiment, the front and rear of the seat mounting rod are provided with screw threads which are matched with the internal screw thread pipe, and the screw threads are connected in the internal screw thread pipe in a screw thread way.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows: the seat body can be adjusted to a height suitable for use by being convenient for better designated height adjustment of the seat body.

1. According to the utility model, the bearing is matched with the internal thread pipe, so that the internal thread pipe drives the seat mounting rod to adjust the height, and the internal thread pipe can be positioned through the screw rod, so that the positions of the seat mounting rod and the seat body are not easy to move.

2. According to the utility model, the seat mounting rod can be limited and guided by the cooperation of the limiting block and the limiting groove, so that the seat mounting rod is not easy to rotate when moving up and down.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic illustration of the structure of area A of FIG. 1 in accordance with the present utility model;

FIG. 3 is a cross-sectional view of the mounting tube and seat mounting bar structure of the present utility model.

The marks in the figure: 1-a seat main support tube; 2-reinforcing the pipe; 3-mounting a tube; 4-bearing; 5-an internally threaded tube; 6-a screw; 7-rotating the hand plate; 8-limiting blocks; 9-a seat mounting bar; 10-a limit groove; 11-thread teeth; 12-seat body.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

A frame seat adjustment mechanism according to an embodiment of the present utility model will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1-2, a frame seat adjusting mechanism comprises a seat main supporting tube 1 arranged on a frame, wherein a reinforcing tube 2 is arranged above the seat main supporting tube 1, the reinforcing tube 2 is of a U-shaped structure, the reinforcing tube 2 is welded with the seat main supporting tube 1 and an installing tube 3, the installing tube 3 is fixedly connected to two sides between the seat main supporting tube 1 and the reinforcing tube 2, an inner threaded tube 5 is rotatably connected to the upper part inside the seat main supporting tube 1, the lower end of the inner threaded tube 5 is arranged above the inner part of the seat main supporting tube 1 through a bearing 4, screw teeth 11 matched with the inner threaded tube 5 are arranged on the front and rear sides of a seat installing rod 9, the screw teeth 11 are connected into the inner threaded tube 5 in a threaded manner, and the inner threaded tube 5 is driven by the screw teeth 11 through the cooperation of the bearing 4 and the inner threaded tube 5, so that the seat installing rod 9 is driven by the screw teeth 11 to adjust the height.

Referring to fig. 1-2, the inside threaded connection of right side reinforcement pipe 2 has screw rod 6, and screw rod 6 extrudes on internal thread pipe 5, the inside of right side reinforcement pipe 2 offered the screw hole with screw rod 6 looks adaptation, and screw rod 6 threaded connection is in the screw hole, the right-hand member fixedly connected with of screw rod 6 rotates hand dish 7, rotate hand dish 7 external diameter and be greater than the inside screw hole internal diameter of offering of right side reinforcement pipe 2, drive screw rod 6 through rotating hand dish 7 and carry out the position movement for screw rod 6 extrudes on the outer wall of internal thread pipe 5, at this moment screw rod 6 can fix a position internal thread pipe 5, make seat installation pole 9 and seat body 12's position be difficult for producing the removal.

Referring to fig. 1-3, a seat installation rod 9 is slidably connected inside the installation tube 3, the seat installation rod 9 is in threaded connection with the inner threaded tube 5, the lower portion of the seat installation rod 9 is inserted into the seat main support tube 1, limiting blocks 8 are fixedly connected to two sides of the inner wall of the installation tube 3, limiting grooves 10 matched with the limiting blocks 8 are formed in two sides of the seat installation rod 9, the limiting grooves 10 are slidably connected with the limiting blocks 8, and the seat installation rod 9 can be limited and guided through the matching of the limiting blocks 8 and the limiting grooves 10, so that rotation is not easy to occur when the seat installation rod 9 moves up and down, and the top end of the seat installation rod 9 is provided with a seat body 12.

The utility model has the advantages that: the seat body 12 can be adjusted to a height suitable for use by facilitating a better designated height adjustment of the seat body 12.

Working principle: when adjusting the height of seat body 12, through rotating internal thread pipe 5, internal thread pipe 5 drives seat installation pole 9 under the effect of bearing 4 this moment and carries out position control, can adjust the height that is fit for using with seat body 12, then rotate rotatory handle 7 for screw rod 6 extrudees on the outer wall of internal thread pipe 5, can fix a position the position of internal thread pipe 5, internal thread pipe 5 can carry out better location with the position of seat installation pole 9 and seat body 12 this moment, when seat installation pole 9 carries out the upper and lower position and removes simultaneously, the cooperation of stopper 8 and spacing groove 10 this moment can play spacing and direction effect to seat installation pole 9, make seat installation pole 9 be difficult for producing rotatoryly.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (7)

1. The utility model provides a frame seat adjustment mechanism, includes seat main support pipe (1) of installing on the frame, its characterized in that: the seat main support device is characterized in that a reinforcing pipe (2) is arranged above the seat main support pipe (1), mounting pipes (3) are fixedly connected to two sides between the seat main support pipe (1) and the reinforcing pipe (2), an inner threaded pipe (5) is rotatably connected to the upper inner part of the seat main support pipe (1), a screw (6) is connected to the inner threads of the reinforcing pipe (2) on the right side, the screw (6) is extruded on the inner threaded pipe (5), and a rotary hand disc (7) is fixedly connected to the right end of the screw (6);

the inside sliding connection of installation pipe (3) has seat installation pole (9), in seat installation pole (9) threaded connection internal thread pipe (5), and seat installation pole (9) below peg graft in seat main tributary support pipe (1), all be equipped with screw thread tooth (11) with internal thread pipe (5) looks adaptation around seat installation pole (9), and screw thread tooth (11) threaded connection internal thread pipe (5), the top of seat installation pole (9) is provided with seat body (12).

2. A frame seat adjustment mechanism as set forth in claim 1, wherein: the reinforcing pipe (2) is of a U-shaped structure, and the reinforcing pipe (2), the seat main support pipe (1) and the mounting pipe (3) are welded together.

3. A frame seat adjustment mechanism as set forth in claim 1, wherein: the lower end of the internal thread tube (5) is arranged above the inside of the main seat support tube (1) through a bearing (4).

4. A frame seat adjustment mechanism as set forth in claim 1, wherein: the right side the screw hole with screw rod (6) looks adaptation has been seted up to the inside of reinforcement pipe (2), and screw rod (6) threaded connection is in the screw hole.

5. A frame seat adjustment mechanism as set forth in claim 1, wherein: the outer diameter of the rotary hand disc (7) is larger than the inner diameter of a threaded hole formed in the right reinforcing pipe (2).

6. A frame seat adjustment mechanism as set forth in claim 2, wherein: limiting blocks (8) are fixedly connected to two sides of the inner wall of the mounting pipe (3), limiting grooves (10) matched with the limiting blocks (8) are formed in two sides of the seat mounting rod (9), and the limiting grooves (10) are in sliding connection with the limiting blocks (8).

7. A frame seat adjustment mechanism as set forth in claim 1, wherein: the front and the rear of the seat mounting rod (9) are respectively provided with a thread tooth (11) which is matched with the internal thread pipe (5), and the thread teeth (11) are in threaded connection with the internal thread pipe (5).