CN214565384U

CN214565384U - Take driven shallow of connecting rod

Info

Publication number: CN214565384U
Application number: CN202120676860.2U
Authority: CN
Inventors: 黄立民
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-11-02
Anticipated expiration: 2031-04-02

Abstract

The utility model relates to a handcart field provides a take driven shallow of connecting rod, include: the trolley assembly is provided with a trolley frame, wheels are arranged at the bottom of the trolley frame, and a push rod is arranged at the front end of the trolley frame; link assembly, its activity sets up the front end of frame, link assembly has: a main shaft; one side of the first connecting rod mechanism is fixedly arranged on the main shaft; and the second connecting rod mechanism is movably arranged on one side of the first connecting rod mechanism. Compared with the prior art, the utility model has the advantages of provide extra power source for the shallow through set up link assembly on traditional shallow for promote the required manpower of shallow still less, the shallow is promoted lighter, and can make at first main part pole and the first balancing weight and the second balancing weight that second main part pole bottom set up the utility model discloses a link assembly adapts to the transportation requirement of comparatively rugged mountain road.

Description

Take driven shallow of connecting rod

Technical Field

The utility model relates to a handcart field specifically is a take driven shallow of connecting rod.

Background

With the rapid development of the automobile industry in China and the great popularization of transportation vehicles, the trolley has gradually disappeared from the visual field of our country, but the trolley is still the main vehicle for local people to transport goods in some remote areas abroad.

The conventional cart, which mainly includes a frame, wheels and a push rod, is simple in structure but requires a large amount of manpower when goods are loaded on the frame, and is difficult to push on a rough road.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the current situation of prior art, and provide a take connecting rod driven shallow.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a shallow of belt link transmission includes:

the trolley assembly is provided with a trolley frame, wheels are arranged at the bottom of the trolley frame, and a push rod is arranged at the front end of the trolley frame;

link assembly, its activity sets up the front end of frame, link assembly has: a main shaft rotatably provided at an upper portion of the frame; one side of the first connecting rod mechanism is fixedly arranged on the main shaft; and the second connecting rod mechanism is movably arranged on one side of the first connecting rod mechanism, the main shaft is driven to rotate when the first connecting rod mechanism acts, and the second connecting rod mechanism is driven to act when the main shaft rotates.

In the above cart with link transmission, a first rotating block is arranged on one side of the first link mechanism, the upper part of the first rotating block is fixedly arranged on the main shaft, a first link is hinged to the lower end of the first rotating block, a first main body rod is hinged to the other end of the first link, which is hinged to the first rotating block, and the upper part of the first main body rod is hinged to the frame; a second rotating block is arranged on one side of the second connecting rod mechanism, the lower portion of the second rotating block is fixedly arranged on the main shaft, a second connecting rod is hinged to the upper end of the second rotating block, the other end, hinged to the second rotating block, of the second connecting rod is hinged to a second main body rod, and the upper portion of the second main body rod is hinged to the frame.

In above-mentioned shallow of area connecting rod transmission, still include locking mechanical system, it sets up in the up end of push rod, locking mechanical system includes:

a fixed mount provided at a front end of the frame;

the swinging block is rotatably arranged on the fixed frame;

the lower part of the third rotating block is fixedly arranged on the main shaft;

one end of the push plate is hinged to the upper end of the third rotating block, and the other end of the push plate is hinged to the bottom end of the swinging block;

the locking block is detachably arranged on the fixed frame, and when the locking block is inserted on the fixed frame, the upper end of the swinging block is abutted against the locking block.

The trolley with the connecting rod transmission further comprises a connecting block, the connecting block is fixedly arranged on the main shaft, the lower portion of the connecting block is fixedly connected with the first rotating block, and the upper portion of the connecting block is fixedly connected with the second rotating block.

In the cart with the connecting rod transmission, the lower end of the first main body rod is provided with a first balancing weight, and the first balancing weight is hinged with the first main body rod; the lower extreme of second main part pole is equipped with the second balancing weight, the second balancing weight with second main part pole is articulated.

At foretell a take connecting rod driven shallow, first main part pole with the equal detachable in bottom of second main part pole is equipped with the lag, the inner wall of lag with the bottom of first main part pole and second main part pole is all laminated.

In the above stroller with link transmission, the number of the first link mechanisms is equal to that of the second link mechanisms, and the number of the first link mechanisms is one or more than one.

In the above-mentioned stroller with a link transmission, the number of the wheels is one or more.

Compared with the prior art, the utility model has the advantages of provide extra power source for the shallow through set up link assembly on traditional shallow for promote the required manpower of shallow still less, the shallow is promoted lighter, and can make at first main part pole and the first balancing weight and the second balancing weight that second main part pole bottom set up the utility model discloses a link assembly adapts to the transportation requirement of comparatively rugged mountain road.

Drawings

Fig. 1 is a perspective view of a cart with a link transmission according to the present invention;

fig. 2 is a perspective view of the main shaft of the trolley with the connecting rod transmission of the invention mounted on the frame;

fig. 3 is a perspective view of the connecting rod assembly of the stroller with connecting rod transmission according to the present invention mounted on the frame;

fig. 4 is a perspective view of the cart locking mechanism with link transmission of the present invention mounted on the frame;

in the figure, the cart assembly 10, the frame 11, the wheel 12, the push rod 13, the link assembly 20, the main shaft 21, the first link mechanism 22, the first rotating block 221, the first link 222, the first main rod 223, the first counterweight 2231, the second link mechanism 23, the connecting block 24, the protecting cover 25, the second rotating block 231, the second link 232, the second main rod 233, the second counterweight 2331, the locking mechanism 30, the fixing frame 31, the swinging block 32, the third rotating block 33, the push plate 34, and the locking block 35.

Detailed Description

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, the descriptions in the present application as to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, the utility model discloses a take driven shallow of connecting rod, include: a stroller assembly 10 and a linkage assembly 20.

Specifically, the cart assembly 10 is provided with a frame 11, the frame 11 can be used for loading goods to be carried by the cart of the present invention, the bottom of the frame 11 is provided with a wheel 12, the number of the wheels 12 can be one or more, the front end of the frame 11 is provided with a push rod 13, and the cart assembly 10 can be driven to advance or retreat on the ground when the push rod 13 is pushed or pulled; the linkage assembly 20 is disposed at the front end of the frame 11 and provides additional power to the stroller assembly 10 as the stroller assembly 10 is advanced or retracted, thereby providing greater ease in pushing the stroller.

The link assembly 20 has a main shaft 21, a first link mechanism 22 and a second link mechanism 23, the number of the first link mechanism 22 and the second link mechanism 23 is equal, and may be one or more, and the larger the number of the first link mechanism 22 and the second link mechanism 23 is, the larger the pushing force provided when pushing the cart is, but the higher the manufacturing cost of the corresponding cart is.

Specifically, the main shaft 21 is rotatably disposed at the upper end of the frame 11, one side of the first link mechanism 22 is fixed on the main shaft 21, the second link mechanism 23 is movably disposed at one side of the first link mechanism 22, when the cart assembly 10 advances on the ground, the first link mechanism 22 is driven by the cart assembly 10 to move, when the first link mechanism 22 moves, the main shaft 21 is driven to rotate back and forth along the axis direction, and when the main shaft 21 rotates, the second link mechanism 23 can be driven to move. The first linkage 22 and the second linkage 23 provide power to the cart assembly while in motion.

Further, the first link mechanism 22 includes: a first rotation block 221, a first link 222, and a first body lever 223; the second link mechanism 23 includes: a second rotating block 231, a second link 232, and a second main body lever 233.

The upper portion of the first rotating block 221 is fixedly disposed on the main shaft 21, the first link 222 is hinged to the lower end of the first rotating block 221, the first main body rod 223 is hinged to the other end of the first link 222 hinged to the first rotating block 221, the upper portion of the first main body rod 223 is hinged to the frame 11, when the stroller assembly 10 moves towards the front end of the frame 11 on the ground, the lower portion of the first main body rod 223 swings around the frame 11 towards the rear of the frame 11, the first link 222 moves towards the front end of the frame 11 along the length direction of the first link 222 under the driving of the first main body rod 223, the first link 222 moves to drive the lower portion of the first rotating block 221 to swing towards the front of the frame 11, and finally, under the driving of the first rotating block 221, the main shaft 21 also rotates around the axial direction of the main shaft 21 along with the first rotating block 221.

The lower part of the second rotating block 231 is fixed on the main shaft 21, the second connecting rod 232 is hinged at the upper end of the second rotating block 231, the second main body rod 233 is hinged at the other end of the second connecting rod 232 hinged with the second rotating block 231, the upper part of the second main body rod 232 is hinged with the frame 11, when the main shaft 21 is driven by the first rotating block 221 to rotate, the upper part of the second rotating block 23 swings towards the rear of the frame 11 along with the rotation of the main shaft 21, when the upper part of the second rotating block 231 swings towards the rear of the frame 11, the second connecting rod 232 is driven to swing towards the rear of the frame 11 along the length direction of the second connecting rod 232, under the drive of the second connecting rod 232, the lower part of the second main body rod 233 swings towards the front end of the frame 11 around the frame 11, so that when the first main body rod 223 rotates around the frame 11 to reach the highest point, the moving directions of the first connecting rod mechanism 22 and the second connecting rod mechanism 23 just exchange, that is, the lower portion of the first body bar 223 swings toward the front end of the frame 11 around the frame 11, and the lower portion of the second body bar 233 swings toward the rear end of the frame 11 around the frame 11, and the first body bar 223 and the second body bar 233 repeat the above-mentioned actions without stopping the forward movement of the stroller assembly 10, and the lower ends of the first body bar 223 and the second body bar 233 rub against the ground and generate a frictional force in the same direction as the moving direction of the stroller assembly 10 while the first body bar 223 and the second body bar 233 repeat the movement, and the frictional force provides an additional pushing force to the stroller assembly, so that a person pushing the stroller is more relaxed.

As a preferred scheme of the present invention, the cart of the present invention further includes a locking mechanism 30, and the locking mechanism 30 can not rotate by locking the main shaft 21, so as to achieve the purpose of locking the cart assembly 10.

Specifically, the locking mechanism 30 is disposed on the upper end surface of the push rod 13, and the locking mechanism 30 includes: a fixed frame 31, a swinging block 32, a third rotating block 33, a push plate 34 and a locking block 35.

The fixed frame 31 is fixed at the front end of the frame 11, the swinging block 32 is rotatably arranged on the fixed frame 31, the lower part of the third rotating block 33 is fixed on the main shaft 21, one end of the push plate 34 is hinged at the upper end of the third rotating block 33, the other end of the push plate 34 is hinged at the bottom end of the swinging block 32, the locking block 35 is detachably arranged on the fixed frame 31, and when the locking block 35 is inserted on the fixed frame 31, the upper end of the swinging block 32 is abutted against the locking block 35.

When the locking block 35 is not inserted into the fixed frame 31, the first link mechanism 22 drives the main shaft 21 to rotate, when the main shaft 21 rotates, the third rotating block 33 fixed on the main shaft 21 swings around the main shaft 21, the pushing plate 34 moves back and forth along the length direction of the third rotating block 33, and when the pushing plate 34 moves, the swinging block 32 is driven to swing around the fixed frame 31; when the locking block 35 is inserted into the fixed frame 31, since the locking block 35 abuts against the upper end of the swinging block 32, the swinging block 32 cannot swing around the fixed frame 31, at this time, the push plate 34 hinged to the lower end of the swinging block 32 cannot move, the corresponding third rotating block 33 cannot swing, when the third rotating block 33 cannot swing, the main shaft 21 cannot rotate under the restriction of the third rotating block 33, and since the main shaft 21 cannot rotate under the restriction of the third rotating block 33, the first link mechanism 22 and the second link mechanism 23 cannot move, at this time, the lower ends of the first main body rod 223 and the second main body rod 233 generate a friction force opposite to the moving direction of the cart assembly 10, and the friction force finally achieves the purpose of restricting the movement of the cart assembly 10.

As another preferred scheme of the utility model, still fixed being equipped with connecting block 24 on main shaft 21, connecting block 24's lower part and first turning block 221 fixed connection, connecting block 24's upper portion and second turning block 231 fixed connection, drive connecting block 24 swing when first turning block 221 swings, and can drive second turning block 231 swing simultaneously when connecting block 24 swings, connecting block 24's setting can make first turning block 221 drive main shaft 21 pivoted in, still can drive the swing of second turning block.

As another preferable scheme of the present invention, the lower end of the first body bar 223 is provided with a first weight block 2231, and the first weight block 2231 is hinged to the first body bar 223; a second weight block 2331 is provided at a lower end of the second main body rod 233, and the second weight block 2331 is hinged to the second main body rod 2331.

When the first main body rod 223 moves towards the rear of the frame 11, the first weight 2231 moves towards a direction away from the first main body rod 223, when the first main body rod 223 moves towards the front of the frame 11, the first weight 2231 moves towards a direction close to the first main body rod 223 under the action of the gravity of the first weight 2231, the movement mode of the second weight 2331 relative to the second main body rod 233 is consistent with the movement mode of the first weight 2231 relative to the first main body rod 223, and the arrangement of the first weight 2231 and the second weight 2331 can enable the first main body rod 223 and the second main body rod 233 to play a role in providing power for the stroller assembly 10 when the road surface is rough.

As another preferred aspect of the present invention, the protection cover 25 is detachably attached to the bottom ends of the first body bar 223 and the second body bar 233, the inner wall of the protection cover 25 is attached to the bottom ends of the first body bar 223 and the second body bar 233, and the protection cover 25 can prevent the first body bar 223 and the second body bar 233 from being worn when they are rubbed against the ground.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.

Claims

1. A trolley with a connecting rod transmission is characterized by comprising:

2. The stroller with the link transmission according to claim 1, wherein a first rotating block is provided at one side of the first link mechanism, an upper portion of the first rotating block is fixedly disposed on the main shaft, a first link is hinged to a lower end of the first rotating block, a first main rod is hinged to the other end of the first link hinged to the first rotating block, and an upper portion of the first main rod is hinged to the frame; a second rotating block is arranged on one side of the second connecting rod mechanism, the lower portion of the second rotating block is fixedly arranged on the main shaft, a second connecting rod is hinged to the upper end of the second rotating block, the other end, hinged to the second rotating block, of the second connecting rod is hinged to a second main body rod, and the upper portion of the second main body rod is hinged to the frame.

3. The stroller with link transmission according to claim 1, further comprising a locking mechanism provided on an upper end surface of the push rod, the locking mechanism comprising:

a fixed mount provided at a front end of the frame;

the swinging block is rotatably arranged on the fixed frame;

4. The stroller with a link transmission according to claim 2, further comprising a connecting block, wherein the connecting block is fixedly disposed on the main shaft, a lower portion of the connecting block is fixedly connected to the first rotating block, and an upper portion of the connecting block is fixedly connected to the second rotating block.

5. The stroller with the linkage transmission of claim 2, wherein a first weight is provided at a lower end of the first body rod, and the first weight is hinged to the first body rod; the lower extreme of second main part pole is equipped with the second balancing weight, the second balancing weight with second main part pole is articulated.

6. The stroller with link transmission of claim 2, wherein the bottoms of the first and second main body bars are detachably provided with a protective sleeve, and the inner wall of the protective sleeve is attached to the bottom ends of the first and second main body bars.

7. The trolley with link transmission of claim 1, wherein the number of the first link mechanism and the second link mechanism is equal, and the number of the first link mechanism and the second link mechanism is one or more.

8. The trolley with linkage of claim 1, wherein the number of wheels is one or more.