CN113830212B

CN113830212B - Adjustable swing car

Info

Publication number: CN113830212B
Application number: CN202110558311.XA
Authority: CN
Inventors: 王炳基; 李远清; 苏志伟; 王啸虎; 尹艳明
Original assignee: Quanzhou Shuangta Automobile Parts Co ltd
Current assignee: Quanzhou Shuangta Automobile Parts Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-12-06
Anticipated expiration: 2041-05-21
Also published as: CN113830212A

Abstract

The invention discloses an adjustable swing vehicle, which comprises an underframe, rear wheels, a backrest frame, a swing rod, front wheels and pedal rods, and is characterized in that: this car still includes the action bars, the upper end of action bars has the handle, the outside cover of pivot has the go-between, the go-between rotates with the pivot to be connected, the lower extreme of action bars passes through the connecting rod and is articulated with the go-between, make the action bars can swing to level and vertical state, the top of pivot is provided with the convex fixture block that makes progress, the position that corresponds to the fixture block on the lower extreme terminal surface of action bars is provided with sunken draw-in groove, draw-in groove and fixture block adaptation are used for supplying the fixture block to get into, this car still includes the locking mechanical system who is used for locking the action bars in vertical state. This sways car has sit and crouch and stand two kinds of forms, and the user can open the form of adjusting sways car according to the user demand, and interesting stronger, can play the degree higher, can satisfy the manifold user demand of user better.

Description

Adjustable swing car

Technical Field

The present invention relates to a rocking vehicle, and more particularly, it relates to an adjustable rocking vehicle.

Background

Along with the development of the society and the improvement of the living standard, people pay more and more attention to the physical movement of children and teenagers, and various toy vehicles are well favored by people.

The swing car is a common toy car, and the swing car is provided with no chain, no oil tank, no battery and no pedal. The scooter looks like a single-foot scooter, has three wheels, and can run forwards only by shaking the scooter without needing to pedal backwards with force of a single foot when running.

The existing swinging vehicle is of a sitting and lying type structure (used for sitting and lying) or a standing type structure (used for standing), cannot enable children to experience two using postures, is low in interestingness and not high in playability, and needs to be improved.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an adjustable swing car which is variable in form, can be used in a sitting and lying way and a standing way, and is higher in interestingness and playability.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an adjustable swing car, including the chassis, two sets of rear wheels have been installed to both sides at the chassis rear portion, the seat pocket is equipped with at the chassis inboard, the back frame is equipped with in the top at the rear portion of chassis, the footboard is equipped with on the back frame, be provided with the connecting rod in the place ahead of chassis, the rear end of connecting rod is connected fixedly with the front portion of chassis, the front end of connecting rod is fixed with vertical adapter sleeve, be provided with the pivot in the adapter sleeve, the pivot rotates with the adapter sleeve to be connected, be provided with the pendulum rod in the below of pivot, pendulum rod and pivot vertical fixation, a set of front wheel that can freely swing is equipped with at the rear end of pendulum rod, be equipped with two sets of pedal rod at the front end of pendulum rod, pedal rod transversely stretches out, and pedal rod symmetric distribution is in the both sides of pendulum rod, still is fixed with the handrail in the both sides of chassis, this swing car still includes the action bars, the upper end of action bars has the handle, the pivot outside cover has the go-between has, the adapter ring rotates with the pivot to be connected, the lower extreme of action bars is articulated with the adapter ring through connecting ring and the adapter ring, make action bars swing rod can swing to the level and vertical state, the top of action bars is provided with the fixture block that upwards protrudes, the fixture block on the position terminal surface, the adapter ring is provided with the fixture block that should be used for the fixture block and the vertical locking mechanism still includes this swing car locking card slot.

As a preferable scheme: the front end of pendulum rod is fixed with the connecting seat, be provided with the connecting block in the connecting seat, the connecting block passes through the connecting axle and is connected with the connecting seat rotation, the tip and the connecting block of pedal pole are connected fixedly, two screw holes have been seted up on the action bars, all seted up the through-hole on two sets of pedal poles, wear to be equipped with locking bolt in the through-hole, when pedal pole swing to vertical commentaries on classics attitude, the screw hole is aimed at to locking bolt's tip, two sets of pedal poles and connecting rod constitute locking mechanical system.

As a preferable scheme: this car sways still including the stop gear who is used for locking the pedal pole, stop gear is including fixing the guide block in the anterior bar of connecting seat, the cover has the sliding ring on the guide block, the sliding ring can be followed the guide block and slided from beginning to end, the both sides of sliding ring are fixed with horizontal locking arm, the tip of locking arm is provided with the locking block, set up the locking groove that supplies the locking block to get into on the connecting block, the cover has the locking spring who is used for driving the sliding ring gliding backward on the guide block.

As a preferable scheme: the front portion of the lower extreme of action bars still is fixed with the ejector pin, ejector pin downwardly extending, the rear portion of connecting seat still is provided with drive mechanism, drive mechanism includes movable block and a pair of actuating lever, the connecting axle is passed in the actuating lever activity, and two actuating levers are "eight" font, the one end and the movable block of actuating lever are articulated, be fixed with first spacing ring on the body of rod of actuating lever, the other end of actuating lever is fixed with the second spacing ring, the connecting axle is located between first spacing ring and the second spacing ring, the cover has drive spring on the body of rod that the actuating lever is located between first spacing ring and the connecting axle, drive spring is in compression state, the lower extreme that the movable block is located the ejector pin is along with the route of action bars wobbling, the connecting block is the wheel shape, be provided with the meshing tooth on the periphery of connecting block, two sets of connecting block intermeshing.

As a preferable scheme: the lower end of the ejector rod is provided with a ball which is used for contacting with the movable block.

As a preferable scheme: the top of the movable block is provided with guide grooves along the front and back directions of the rocking car, and the guide grooves are used for the balls to slide.

As a preferable scheme: the connecting rod is of a telescopic structure and comprises a front connecting pipe and a rear connecting pipe, the front end of the front connecting pipe is fixedly connected with the connecting sleeve, the front end of the rear connecting pipe is movably sleeved with the rear end of the front connecting pipe, the rear end of the rear connecting pipe is fixedly connected with the front part of the chassis, and the rear connecting pipe is screwed up with the front connecting pipe through screws.

As a preferable scheme: the utility model discloses a telescopic operating rod, including the operating rod, draw-in groove sets up the front end at the front operation pipe, the front end of back operation pipe cup joints with the rear end activity of front operation pipe, the handle is fixed in the rear end of back operation pipe, screw up through the screw between back operation pipe and the front operation pipe.

As a preferable scheme: the back frame is characterized in that a connecting column is fixed at the rear part of the bottom frame, a groove is formed in the lower end of the back frame, the groove is of a half-groove structure, namely, the front part of the lower end of the back frame is a groove position, the rear part of the lower end of the back frame is of a closed structure, the upper end of the connecting column stretches into the groove, and the upper end of the connecting column is rotatably connected with the lower end of the back frame through a fixing shaft.

As a preferable scheme: the back of footboard is provided with the detachable backing plate.

Compared with the prior art, the invention has the advantages that: this sways car has sit two kinds of forms of crouching and standing, and the user can open the form of adjusting swaying car according to the user demand, and interesting stronger, can play the degree higher, can satisfy the manifold user demand of user better.

Drawings

FIG. 1 is a schematic view of an overall structure of a swing car according to a first embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a front view of the swing car according to the first embodiment;

FIG. 4 is an enlarged view of the portion B of FIG. 3;

FIG. 5 is an enlarged view of the portion C of FIG. 3;

FIG. 6 is a schematic view of the overall structure of the swing car according to the second embodiment;

FIG. 7 is an enlarged view of the portion D of FIG. 6;

fig. 8 is a schematic diagram of a transmission mechanism in the second embodiment.

1, chassis; 2. a seat pocket; 3. a handrail; 4. a rear wheel; 5. a backrest frame; 6. a pedal; 7. a handle; 8. a connecting rod; 801. a front connecting pipe; 802. a rear connecting pipe; 9. connecting sleeves; 10. a bearing; 11. a rotating shaft; 12. a clamping block; 13. a first connecting ring; 14. an operating lever; 1401. a front handling tube; 1402. a post-operation tube; 15. a second connection ring; 16. a card slot; 17. a connecting rod; 18. a swing rod; 19. a front wheel; 20. a connecting seat; 21. a foot lever; 22. connecting blocks; 23. a connecting shaft; 24. a guide block; 25. a slip ring; 26. a locking arm; 27. a locking block; 28. a locking groove; 29. a locking spring; 30. a pull rod; 31. buckling; 32. a top rod; 33. a ball bearing; 34. a movable block; 35. a guide groove; 36. a drive rod; 37. a first limit ring; 38. a second stop collar; 39. a drive spring; 40. meshing teeth; 41. connecting columns; 42. grooving; 43. a fixed shaft; 44. a backing plate; 45. a threaded hole; 46. a through hole; 47. and locking the bolt.

Detailed Description

The first embodiment is as follows:

referring to fig. 1 and 2, an adjustable swing car comprises an underframe 1, two groups of rear wheels 4 are arranged on two sides of the rear portion of the underframe 1, a seat pocket 2 is arranged on the inner side of the underframe 1, a backrest frame 5 is arranged above the rear portion of the underframe 1, a pedal 6 is arranged on the backrest frame 5, a connecting rod 8 is arranged in front of the underframe 1, the connecting rod 8 is arranged in the front-rear direction of the swing car, the rear end of the connecting rod 8 is fixedly connected with the front portion of the underframe 1, a vertical connecting sleeve 9 is fixed at the front end of the connecting rod 8, a rotating shaft 11 is arranged in the connecting sleeve 9, the rotating shaft 11 is rotatably connected with the connecting sleeve 9, a swing rod 18 is arranged below the rotating shaft 11, the swing rod 18 is vertically fixed with the rotating shaft 11, a group of front wheels 19 capable of freely swinging is arranged at the rear end of the swing rod 18, two groups of pedal rods 21 are arranged at the front end of the swing rod 18, the pedal rods 21 transversely extend out, and the pedal rods 21 are symmetrically distributed on two sides of the swing rod 18.

Handrails 3 are also fixed to both sides of the base frame 1.

In this embodiment, the specific connection mode between the rotating shaft 11 and the connecting sleeve 9 is as follows: a bearing 10 is arranged between the connecting sleeve 9 and the rotating shaft 11, the outer ring of the bearing 10 is fixed with the inner wall of the connecting sleeve 9, and the rotating shaft 11 passes through the inner ring of the bearing 10 and is fixed with the inner ring of the bearing 10, so that the rotating shaft 11 can rotate relative to the connecting sleeve 9.

The first connecting ring 13 is further sleeved outside the rotating shaft 11, and the first connecting ring 13 is rotatably connected with the rotating shaft 11, that is, the first connecting ring 13 and the rotating shaft 11 can rotate relatively.

Referring to fig. 3 and 4, the swing car further includes an operating lever 14, a handle is provided at an upper end of the operating lever 14, a second connecting ring 15 is provided at a lower end of the operating lever 14, a connecting rod 17 is provided between the first connecting ring 13 and the second connecting ring 15, and both ends of the connecting rod 17 are respectively hinged to the first connecting ring 13 and the second connecting ring 15, so that the operating lever 14 can swing up and down, thereby swinging the operating lever 14 to a horizontal state or a vertical state. A clamping block 12 protruding upwards is arranged at the top of the rotating shaft 11, a concave clamping groove 16 is arranged on the lower end face of the operating rod 14 corresponding to the clamping block 12, and the clamping groove 16 is matched with the clamping block 12 and used for allowing the clamping block 12 to enter. During upward swinging of the lever 14, the latch 12 may be aligned with the slot 16 and gradually enter the slot 16. When the operating rod 14 swings to the vertical state, the latch 12 completely enters the slot 16, and the lower end surface of the operating rod 14 abuts against the top surface of the rotating shaft 11. After the clamping block 12 enters the clamping groove 16, the operating rod 14 and the rotating shaft 11 can be connected into a whole, and at the moment, the rotating operating rod 14 can be rotated to drive the rotating shaft 11 to rotate synchronously, so that the direction of the front wheel 19 is controlled.

When the operating lever 14 swings downward, the latch 12 is separated from the latch slot 16, and the rotating shaft 11 can rotate freely without being controlled by the operating lever 14.

Referring to fig. 2, in the present embodiment, the back frame 5 is rotatably connected to the base frame 1 such that the back frame 5 can be rotated forward and folded. When the backrest frame 5 is in the unfolded state, the front surface of the pedal 6 can support the back of the user; when the backrest frame 5 is in the folded state, the back surface of the pedal 6 is just upward, so that a user can step on the pedal.

The specific connection mode of the backrest frame 5 and the underframe 1 is as follows: a connecting column 41 is fixed at the rear part of the underframe 1, a slot 42 is arranged at the lower end of the backrest frame 5, the slot 42 is of a half-slot structure, namely, the front part of the lower end of the backrest frame 5 is a slot position, the rear part of the lower end is a closed structure, the upper end of the connecting column 41 extends into the slot 42, and the upper end of the connecting column 41 is rotatably connected with the lower end of the backrest frame 5 through a fixed shaft 43, so that the backrest frame 5 can rotate forwards until being folded; when the back frame 5 is rotated backward, the maximum rotation angle is limited, and the back frame can be stabilized in the unfolded state.

The rocking vehicle also includes a locking mechanism for locking the operating lever 14 in an upright position.

The working principle of the swing car is as follows:

when the chair is used in sitting and lying states, the operating rod 14 is in a folded state, and the backrest frame 5 is in an unfolded state. After sitting on the seat bag 2, the user leans against the front surface of the pedal 6, holds the handrail 3, steps two feet on the two groups of pedal rods 21 respectively, and the two feet alternately apply force to pedal the pedal rods 21 forwards and twist the waist to drive the rotating shaft 11 to rotate left and right, so that the swinging rod 18 is driven to swing left and right, the front wheel 19 runs along an S-shaped track and swings left and right, the swinging vehicle is driven to move forwards, and the running direction of the swinging vehicle can be controlled by controlling the pedal rods 21.

When the device is used in a standing mode, the operating rod 14 is swung upwards to be in a vertical state, the clamping block 12 completely enters the clamping groove 16, and the operating rod 14 is locked in the current state through the locking mechanism; then the backrest frame 5 is rotated to the folding and rotating state. The swing car is driven to move forward by stepping on the back of the pedal 6 with one foot, holding the handle at the upper end of the operating rod 14 with one hand and stepping on the ground with one foot, and the running direction of the swing car is controlled by rotating the operating rod 14 with both hands.

This car sways has sit two kinds of forms of crouching and standing, and the user can open the form of adjusting the car sways according to user demand, and the playability degree is higher, can satisfy the manifold user demand of user better.

In consideration of the fact that the rear surface of the step 6 becomes dirty after being stepped on, and needs to be cleaned, a detachable pad 44 is provided on the rear surface of the step 6 in order to facilitate cleaning of the step 6. The connection between the pad 44 and the pedal 6 can be magnetic attraction, buckling, adhesion, etc. When cleaning, the mat 44 is removed and cleaned, and the entire step 6 is not removed, which makes cleaning easier.

Referring to fig. 3 and 5, in the present embodiment, the foot rest lever 21 is of a movable structure, specifically: a connecting seat 20 is fixed at the front end of the oscillating rod 18, a connecting block 22 is arranged in the connecting seat 20, the connecting block 22 is rotatably connected with the connecting seat 20 through a connecting shaft 23, and the end part of the pedal rod 21 is fixedly connected with the connecting block 22, so that the pedal rod 21 can swing up and down. Two screw holes 45 have been seted up on the action bars 14, through-hole 46 has all been seted up on two sets of foot rest lever 21, wear to be equipped with locking bolt 47 in through-hole 46, when foot rest lever 21 swings to the state of turning of standing, locking bolt 47's tip aims at screw hole 45, twist locking bolt 47 back in screw hole 45 this moment, can link together foot rest lever 21 and action bars 14, link together two sets of even action bars 14 of foot rest lever 21 after, two sets of foot rest lever 21 and connecting rod 17 form stable triangular support structure, thereby can lock action bars 14 reliable and stable in vertical state. The operating lever 14 can be unlocked by unscrewing the locking bolt 47.

The two sets of foot levers 21 and links 17 constitute the aforementioned lock mechanism.

In order to prevent the locking bolt 47 from falling off the foot bar 21, the foot bar 21 is hollow in the present embodiment, and a nut (not shown) is fixed to a bolt body of the locking bolt 47 inside the foot bar 21, and the nut has a diameter larger than that of the through hole 46, and can prevent the locking bolt 47 from falling off.

The rocking vehicle in this embodiment further includes a stopper mechanism for locking the foot rest lever 21.

Referring to fig. 5, the stopper mechanism includes a bar-shaped guide block 24 fixed to the front of the coupling holder 20, and the end of the guide block 24 is thicker than the body thereof so that the end thereof has a stopper function. A sliding ring 25 is sleeved on the guide block 24, the sliding ring 25 can slide back and forth along the guide block 24, transverse locking arms 26 are fixed on two sides of the sliding ring 25, a locking block 27 is arranged at the end part of the locking arm 26, a locking groove 28 for the locking block 27 to enter is arranged on the connecting block 22, and a locking spring 29 for driving the sliding ring 25 to slide backwards is sleeved on the guide block 24.

When the slide ring 25 is pulled forward and the foot bar 21 is swung to the horizontal position, the locking block 27 is just aligned with the locking groove 28, the slide ring 25 is released, and the locking spring 29 drives the slide ring 25 to slide backward, so that the locking block 27 enters the locking groove 28, and the foot bar 21 is locked in the horizontal rotation state. The pedal lever 21 is prevented from being shaken up and down when the pedal lever 21 is stepped on.

The foot lever 21 is unlocked by pulling the pull ring forward to disengage the locking block 27 from the locking slot 28.

To facilitate pulling the slide ring 25 forward, a pull rod 30 is also fixed to the slide ring 25.

Referring to fig. 1, in this embodiment, the connecting rod 8 is a telescopic structure, the connecting rod 8 includes a front connecting pipe 801 and a rear connecting pipe 802, the front end of the front connecting pipe 801 is fixedly connected to the connecting sleeve 9, the front end of the rear connecting pipe 802 is movably sleeved to the rear end of the front connecting pipe 801, the rear end of the rear connecting pipe 802 is fixedly connected to the front portion of the chassis 1, and the rear connecting pipe 802 is screwed to the front connecting pipe 801. The length of the connecting rod 8 can be adjusted after the screw is unscrewed, so that the length of the vehicle body of the swing vehicle is adjusted, and the swing vehicle is suitable for users with different heights.

In addition, in this embodiment, the operation rod 14 is also of a telescopic structure, the operation rod 14 includes a front operation tube 1401 and a rear operation tube 1402, the card slot 16 is provided at the front end of the front operation tube 1401, the front end of the rear operation tube 1402 is movably sleeved with the rear end of the front operation tube 1401, the handle is fixed at the rear end of the rear operation tube 1402, and the rear operation tube 1402 and the front operation tube 1401 are screwed together. The length of the operating rod 14 can be adjusted after the screw is unscrewed, so that the height of the handle is adjusted, and the swing car is suitable for users with different heights.

A buckle 31 for clamping the handle is also arranged on the chassis 1. When the operating lever 14 is in a horizontal state, the handle is clamped in the buckle 31, so that the operating lever 14 is fixed, and abnormal noise caused by shaking of the operating lever 14 in the process of using the rocking vehicle is prevented.

The second embodiment:

referring to fig. 6 and 7, in the present embodiment, an ejector rod 32 is further provided at the front portion of the lower end of the operating rod 14, the ejector rod 32 is fixedly connected to the second connecting ring 15, and the ejector rod 32 extends downward.

Referring to fig. 8, a transmission mechanism is further disposed at the rear portion of the connecting seat 20, the transmission mechanism includes a movable block 34 and a pair of driving rods 36, the driving rods 36 movably pass through the connecting shaft 23, the two driving rods 36 are in an "eight" shape, one end of each driving rod 36 is hinged to the movable block 34, a first limiting ring 37 is fixed on a rod body of each driving rod 36, a second limiting ring 38 is fixed at the other end of each driving rod 36, the connecting shaft 23 is located between the first limiting ring 37 and the second limiting ring 38, a driving spring 39 is sleeved on the rod body of each driving rod 36 located between the first limiting ring 37 and the connecting shaft 23, and the driving spring 39 is in a compressed state. The movable block 34 is located on a path along which the lower end of the jack 32 swings with the operation lever 14.

The connecting blocks 22 are wheel-shaped, engaging teeth 40 are provided on the circumferential surface of the connecting blocks 22, and the two connecting blocks 22 are engaged with each other.

During the process of swinging the operating lever 14 upward, the push rod 32 contacts the movable block 34 and presses the movable block 34 downward, and the movable block 34 presses the driving rod 36 while driving the driving rod 36 to rotate in opposite directions, so as to drive the two connecting blocks 22 to rotate in opposite directions, and make the two groups of pedal levers 21 swing upward. In the process, the drive rod 36 slides within the connecting shaft 23, and the drive spring 39 is further compressed.

When the operating lever 14 is completely swung to the vertical state, the two sets of pedal levers 21 are just swung to the standing state, at this time, the end portions of the locking bolts 47 are just aligned with the threaded holes 45, and the pedal levers 21 and the operating lever 14 can be locked by screwing the locking bolts 47 into the threaded holes 45.

When the operating rod 14 swings downwards, the driving spring 39 drives the driving rod 36 to return, the transmission mechanism converts the elastic force of the driving spring 39 into a torsional force, and the torsional force drives the two sets of connecting blocks 22 to rotate reversely, i.e. drives the two sets of pedal rods 21 to return to the horizontal state.

The semi-automatic or automatic swing of the pedal lever 21 can be realized by the cooperation of the transmission mechanism and the ejector rod 32, and when the form of the swing car is switched, the pedal lever 21 does not need to be additionally swung, so that the operation is finished at one go, and the operation is simplified.

Referring to fig. 7, in the present embodiment, the ball 33 is installed at the lower end of the push rod 32, when the push rod 32 presses the movable block 34, the ball 33 contacts the movable block 34, and then the ball 33 slides against the top surface of the movable block 34, and after the ball 33 is added, the friction between the push rod 32 and the movable block 34 can be reduced, so that the operation is more labor-saving, and the abrasion can be prevented.

A guide groove 35 is provided in the top of the movable block 34 in the front-rear direction of the rocking cart, and the guide groove 35 is used for the ball 33 to slide. The guide groove 35 has a guiding function for the ball 33, so as to ensure that the ball 33 rolls along a straight line, and the ball 33 and the guide groove 35 are matched with the connecting rod 17, so as to have an axial stabilizing function for the operating rod 14, prevent the operating rod 14 from twisting during swinging, and ensure that the fixture block 12 smoothly enters the fixture groove 16.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and all technical solutions that belong to the idea of the present invention belong to the scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides an adjustable rocking car, including the chassis, two sets of rear wheels have been installed to both sides at the chassis rear portion, the seat pocket is equipped with at the chassis inboard, back frame is equipped with in the top at the rear portion of chassis, the footboard is equipped with on the back frame, be provided with the connecting rod in the place ahead of chassis, the rear end of connecting rod is connected fixedly with the front portion of chassis, the front end of connecting rod is fixed with vertical adapter sleeve, be provided with the pivot in the adapter sleeve, the pivot rotates with the adapter sleeve to be connected, be provided with the pendulum rod in the below of pivot, pendulum rod and pivot vertical fixation, a set of front wheel that can freely swing is equipped with at the rear end of pendulum rod, two sets of pedal poles are equipped with at the front end of pendulum rod, pedal pole transversely stretches out, and pedal pole symmetric distribution is in the both sides of pendulum rod, still be fixed with the handrail in the both sides of chassis, characterized by: the swing car further comprises an operating rod, a handle is arranged at the upper end of the operating rod, a connecting ring is sleeved outside the rotating shaft, the connecting ring is connected with the rotating shaft in a rotating mode, the lower end of the operating rod is hinged to the connecting ring through a connecting rod, the operating rod can swing to a horizontal state and a vertical state, a convex clamping block is arranged at the top of the rotating shaft, a concave clamping groove is formed in the position, corresponding to the clamping block, of the lower end face of the operating rod, the clamping groove is matched with the clamping block and used for allowing the clamping block to enter, the swing car further comprises a locking mechanism used for locking the operating rod in the vertical state, a connecting seat is fixed at the front end of the swinging rod, a connecting block is arranged in the connecting seat, the connecting block is connected with the connecting seat in a rotating mode through a connecting shaft, the end portion of the pedal rod is fixedly connected with the connecting block, two threaded holes are formed in the operating rod, through holes are formed in the two sets of pedal rods, locking bolts penetrate through the through holes, when the pedal rods swing to the vertical state, the pedal rods, the end portions of the locking bolts align to the threaded holes, and the locking mechanism.

2. The adjustable swing cart of claim 1, further comprising: this car sways still including the stop gear who is used for locking the pedal pole, stop gear is including fixing the guide block in the anterior bar of connecting seat, the cover has the sliding ring on the guide block, the sliding ring can be followed the guide block and slided from beginning to end, the both sides of sliding ring are fixed with horizontal locking arm, the tip of locking arm is provided with the locking block, set up the locking groove that supplies the locking block to get into on the connecting block, the cover has the locking spring who is used for driving the sliding ring gliding backward on the guide block.

3. The adjustable swing cart of claim 1, further comprising: the front portion of the lower extreme of action bars still is fixed with the ejector pin, ejector pin downwardly extending, the rear portion of connecting seat still is provided with drive mechanism, drive mechanism includes movable block and a pair of actuating lever, the connecting axle is passed in the actuating lever activity, and two actuating levers are "eight" font, the one end and the movable block of actuating lever are articulated, be fixed with first spacing ring on the body of rod of actuating lever, the other end of actuating lever is fixed with the second spacing ring, the connecting axle is located between first spacing ring and the second spacing ring, the cover has drive spring on the body of rod that the actuating lever is located between first spacing ring and the connecting axle, drive spring is in compression state, the lower extreme that the movable block is located the ejector pin is along with the route of action bars wobbling, the connecting block is the wheel shape, be provided with the meshing tooth on the periphery of connecting block, two sets of connecting block intermeshing.

4. The adjustable swing cart of claim 3, further comprising: the lower end of the ejector rod is provided with a ball which is used for contacting with the movable block.

5. The adjustable swing cart of claim 4, further comprising: the top of the movable block is provided with guide grooves along the front-back direction of the rocking car, and the guide grooves are used for allowing the balls to slide.

6. The adjustable swing cart of claim 1, further comprising: the connecting rod is of a telescopic structure and comprises a front connecting pipe and a rear connecting pipe, the front end of the front connecting pipe is fixedly connected with the connecting sleeve, the front end of the rear connecting pipe is movably sleeved with the rear end of the front connecting pipe, the rear end of the rear connecting pipe is fixedly connected with the front part of the chassis, and the rear connecting pipe is screwed up with the front connecting pipe through screws.

7. The adjustable rocking cart of claim 1, wherein: the utility model discloses a telescopic operating rod, including the operating rod, draw-in groove sets up the front end at the front operation pipe, the front end of back operation pipe cup joints with the rear end activity of front operation pipe, the handle is fixed in the rear end of back operation pipe, screw up through the screw between back operation pipe and the front operation pipe.

8. The adjustable swing cart of claim 1, further comprising: the backrest frame is characterized in that a connecting column is fixed to the rear portion of the bottom frame, a groove is formed in the lower end of the backrest frame, the groove is of a half-groove structure, namely the front portion of the lower end of the backrest frame is a groove position, the rear portion of the lower end of the backrest frame is of a closed structure, the upper end of the connecting column extends into the groove, and the upper end of the connecting column is rotatably connected with the lower end of the backrest frame through a fixing shaft.

9. The adjustable swing cart of claim 1, further comprising: the back of footboard is provided with the detachable backing plate.