CN215154730U

CN215154730U - Adjustable support pull rod device

Info

Publication number: CN215154730U
Application number: CN202022995940.2U
Authority: CN
Inventors: 余少青
Original assignee: Longyan Wave Network Technology Co ltd
Current assignee: Longyan Wave Network Technology Co ltd
Priority date: 2020-12-13
Filing date: 2020-12-13
Publication date: 2021-12-14
Anticipated expiration: 2030-12-13

Abstract

The utility model belongs to the technical field of the support pull rod, specifically disclose an adjustable support pull rod device, including the wheel, the center department swing joint of wheel has the yoke plate, and the center department swing joint of yoke plate has the bearing, and the inboard roll connection of bearing has the left side arch of left side board, and the spout has been seted up to the inside of left side board, and the inboard cover of wearing of spout has the right side board, and the top swing joint of left side board has the pull rod that deflects, the top fixedly connected with universal joint of the pull rod that deflects, and the inboard swing joint of universal joint has the cross, and the one end swing joint of cross has the universal fork, the first pull rod of top fixedly connected with of universal joint fork. This adjustable support pull rod device compares with current ordinary pull rod car, and the narrow unable dress of base is at a large amount of article, and the loading capacity is limited, and the pull rod can only stretch out and draw back the regulation, can not adjust from beginning to end, and the user need bear the most weight of heavy object during the pulling heavy object, uses inconveniently, when meetting the step, can't directly stimulate.

Description

Adjustable support pull rod device

Technical Field

The utility model relates to a support pull rod technical field specifically is an adjustable support pull rod device.

Background

The pull rod is used as a key structure of the pull rod trolley, and the use convenience and the scene adaptability of the pull rod trolley are influenced by the adjustment and installation positions of the pull rod.

The prior patent (public number: CN203558094U) discloses a trolley, and the following problems in the prior art are found in the process of implementing the scheme, which are not solved well: 1. the base is narrow and cannot be used for containing a large number of articles, and the loading capacity is limited; 2. the pull rod can only be adjusted in a telescopic mode but cannot be adjusted back and forth, and when a heavy object is pulled, a user needs to bear most of the weight of the heavy object, so that the use is inconvenient; 3. when encountering a step, the trolley can not be directly pulled, and technical innovation is carried out on the basis of the existing trolley aiming at the conditions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable support pull rod device to propose following not enough in solving above-mentioned background: 1. the base is narrow and can not be used for accommodating a large number of articles, so that the problem of limited loading capacity exists; 2. the intelligent telescopic adjustment of the pull rod cannot be realized, and the problem of inconvenient use caused by the fact that a user needs to bear a large amount of weight of a heavy object when pulling the heavy object is solved; 3. when encountering a step, the problem of difficult pulling exists.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an adjustable support pull rod device, includes the wheel, the center department swing joint of wheel has the yoke plate, the center department swing joint of yoke plate has the bearing, the inboard roll connection of bearing has the left surface arch of left plate.

The novel universal joint comprises a left plate, a right plate, a limiting pin, a deflection pull rod, a universal joint, a cross shaft, a universal joint fork, a first pull rod, a second pull rod and a hollow groove, wherein the sliding groove is formed in the left plate, the right plate is sleeved on the inner side of the sliding groove, the limiting pin is sleeved on the surface of the left plate, the top end of the left plate is movably connected with the deflection pull rod, the top end of the deflection pull rod is fixedly connected with the universal joint, the inner side of the universal joint is movably connected with the cross shaft, the one end of the cross shaft is movably connected with the universal joint fork, the top end of the universal joint fork is fixedly connected with the first pull rod, and the hollow groove is formed in the inner side of the first pull rod and sleeved with the second pull rod. The top end of the second pull rod is fixedly connected with a handle.

Further, the number of the wheels is twelve, and every three wheels form a group.

Further, the yoke plate is regular triangle, three apex angle difference swing joint of yoke plate has the wheel, the quantity of yoke plate is four, and per two yoke plates are a set of, four the yoke plate passes through bearing difference swing joint in the side of left side board and the side of right side board.

Furthermore, the surface of the left plate is provided with a through hole penetrating from the top surface to the bottom surface, and the through hole of the left plate penetrates through the upper surface and the lower surface of the sliding groove.

Furthermore, the surface of the right plate is provided with a through hole penetrating from the top end to the bottom end, and the size of the through hole of the right plate is the same as that of the through hole of the left plate.

Furthermore, the limiting pin is connected to the inner side of the through hole of the left plate and the inner side of the through hole of the right plate in a penetrating mode.

Further, the deflection direction of the deflection pull rod is in the vertical direction.

Furthermore, lock holes are formed in the surfaces of the first pull rod and the second pull rod, and a lock pin is movably connected to the surface of the second pull rod.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a left board, spout, right board, spacer pin, deflection pull rod, universal joint, cross and universal joint fork accomplish the loading capacity of pull rod car and promote, and left board and right board are pulled out to left side and right side respectively, lock the interval of left board and right board through the spacer pin, can adorn more article, reduce the focus of whole pull rod car simultaneously and prevent the pull rod car from lodging, the safer use pull rod car transportation article;

(2) the utility model completes the front and back deflection of the first pull rod through the deflection pull rod, the universal joint, the cross shaft, the universal joint fork and the first pull rod, when pulling the heavy object, the weight of the heavy object is always born by the left plate, the right plate and the wheel of the trolley, and the user only needs to overcome the static friction force of the trolley to pull the trolley, thereby greatly saving the physical power of the user and being more convenient to use;

(3) the utility model discloses an adaptation of many topography is accomplished to wheel, yoke plate, bearing, left board and right board, and when the pull rod car passes through the step, the combination of wheel and yoke plate can easily promote the pull rod car to the step on, and the laborsaving light of promotion process has avoided the problem that the pull rod car is blocked by the step.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of the structure of the present invention;

FIG. 2 is a side sectional view of the structure of the present invention;

FIG. 3 is a cross-sectional side view of the gimbal structure of the present invention;

fig. 4 is a side sectional view of the first tie rod structure of the present invention.

The list of components represented by the various reference numbers in the figures is as follows: the device comprises a wheel 1, a yoke plate 2, a bearing 3, a left plate 4, a chute 5, a right plate 6, a limit pin 7, a deflection pull rod 8, a universal joint 9, a cross shaft 10, a universal joint fork 11, a first pull rod 12, a second pull rod 13 and a handle 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, an adjustable supporting pull rod device comprises wheels 1, the number of the wheels 1 is twelve, every three wheels 1 are in a group, the center of the wheels 1 is movably connected with a connecting plate 2, the center of the connecting plate 2 is movably connected with a bearing 3, the inner side of the bearing 3 is connected with the left side surface of a left plate 4 in a rolling mode and is protruded, the connecting plate 2 is in a regular triangle shape, three top corners of the connecting plate 2 are respectively and movably connected with the wheels 1, the number of the connecting plates 2 is four, every two connecting plates 2 are in a group, the four connecting plates 2 are respectively and movably connected to the side surface of the left plate 4 and the side surface of a right plate 6 through the bearing 3, the pull rod vehicle can be easily lifted to the top surface of a step through the combination of the wheels 1 and the connecting plates 2, the whole lifting process is easy and labor-saving, and the problem that the pull rod vehicle is clamped by the step is avoided.

The inside of the left plate 4 is provided with a chute 5, the surface of the left plate 4 is provided with a through hole penetrating from the top surface to the bottom surface, the through hole of the left plate 4 penetrates through the upper surface and the lower surface of the chute 5, the inner side of the chute 5 is sleeved with a right plate 6, the surface of the right plate 6 is provided with a through hole penetrating from the top end to the bottom end, the size of the through hole of the right plate 6 is the same as that of the through hole of the left plate 4, the surface of the left plate 4 is sleeved with a limit pin 7, the limit pin 7 is connected with the inner side of the through hole of the left plate 4 and the inner side of the through hole of the right plate 6 in a penetrating manner, the distance between the left plate 4 and the right plate 6 is locked through the limit pin 7, after the distance between the left plate 4 and the right plate 6 is increased, the integral gravity center of the pull rod vehicle and the pulled object is reduced, the problem that the pull rod vehicle is over-high in gravity center and falls down is avoided, when a user uses the pull rod vehicle, the weight of the pull rod vehicle does not need to be pulled object, only to overcome the static friction force of the wheel 1 and the ground, the top end swing joint of left plate 4 has deflection pull rod 8, the direction of deflection pull rod 8 is in vertical direction, the top fixedly connected with universal joint 9 of deflection pull rod 8, the inboard swing joint of universal joint 9 has cross 10, the one end swing joint of cross 10 has universal joint fork 11, the top fixedly connected with first pull rod 12 of universal joint fork 11, first pull rod 12 can deflect around on universal joint fork 11, the user is when the pulling rod car, the whole not slope of pull rod car, the weight of pull rod car and pulled article is undertaken by wheel 1, user pulling rod car power is less, facilitate the use, the dead slot is seted up to the inboard of first pull rod 12 and the cover is worn to have second pull rod 13, the lockhole has been seted up on first pull rod 12 and second pull rod 13 surface, the surface swing joint of second pull rod 13 has the lockpin. A handle 14 is fixedly connected to the top end of the second pull rod 13.

In the utility model, when a user uses the device, firstly, the distance between the left plate 4 and the right plate 6 is adjusted according to the size of an article to be pulled, the distance between the left plate 4 and the right plate 6 is locked by the limit pin 7, the article is placed at the top ends of the left plate 4 and the right plate 6, the integral gravity center of the trolley and the article is lower at the moment and is not easy to fall down, the user adjusts the heights of the first pull rod 12 and the second pull rod 13, the user pushes the trolley by the handle 14, the first pull rod 12 is adjusted to deflect upwards in the front-back direction by the universal joint 9, the cross shaft 10, the universal joint fork 11 and the first pull rod 12, the user does not need to bear the weight of the pulled article at the moment, the weight of the pulled article is borne by the wheel 1, the left plate 4 and the right plate 6, the user only needs to exert pulling force on the trolley to pull the trolley, when the trolley encounters a step, the wheel 1 at the front side of the connecting plate 2 is jacked on the vertical surface of the step, at the moment, the pull rod vehicle is continuously pulled, the connecting plate 2 rotates on the wheel 1 on the front side, the wheel 1 on the top end of the connecting plate 2 rotates to the top surface of the step, the pull rod vehicle is lifted on the step, a user does not need to lift the whole pull rod vehicle to the step in a hanging mode, and therefore the working principle of the adjustable support pull rod device is achieved.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The adjustable supporting pull rod device comprises a wheel (1), and is characterized in that a yoke plate (2) is movably connected to the center of the wheel (1), a bearing (3) is movably connected to the center of the yoke plate (2), and the inner side of the bearing (3) is connected with a left side surface bulge of a left plate (4) in a rolling manner;

the utility model discloses a joint, including left side board (4), spout (5) have been seted up to the inside of left side board (4), the inboard of spout (5) is worn to overlap has right board (6), the surface of left side board (4) is worn to overlap has spacer pin (7), the top swing joint of left side board (4) has deflection pull rod (8), the top fixedly connected with universal joint (9) of deflection pull rod (8), the inboard swing joint of universal joint (9) has cross (10), the one end swing joint of cross (10) has universal joint fork (11), the first pull rod (12) of top fixedly connected with of universal joint fork (11), the dead slot is seted up to the inboard of first pull rod (12) and is worn to overlap has second pull rod (13), the top fixedly connected with handle (14) of second pull rod (13).

2. An adjustable bracing link arrangement according to claim 1, wherein the number of wheels (1) is twelve, one set for each three wheels (1).

3. An adjustable support draw bar device according to claim 1, wherein the yoke plates (2) are regular triangles, three top corners of the yoke plates (2) are respectively and movably connected with wheels (1), the number of the yoke plates (2) is four, every two yoke plates (2) are in a group, and the four yoke plates (2) are respectively and movably connected with the side surface of the left plate (4) and the side surface of the right plate (6) through bearings (3).

4. The adjustable support draw bar device of claim 1, wherein the surface of the left plate (4) is provided with a through hole penetrating from the top surface to the bottom surface, and the through hole of the left plate (4) penetrates through the upper surface and the lower surface of the sliding chute (5).

5. The adjustable support draw bar device of claim 1, wherein the right plate (6) is provided with a through hole penetrating from top to bottom, and the through hole of the right plate (6) has the same size as the through hole of the left plate (4).

6. An adjustable support brace apparatus as claimed in claim 1, wherein the limit pin (7) is connected through the inside of the through hole of the left plate (4) and the inside of the through hole of the right plate (6).

7. An adjustable support brace apparatus as claimed in claim 1, wherein the deflection direction of the deflection brace (8) is in the vertical direction.

8. The device of claim 1, wherein the first pull rod (12) and the second pull rod (13) are provided with lock holes on the surfaces, and the second pull rod (13) is movably connected with a lock pin on the surface.