CN220315009U - Trolley lifting tensioner - Google Patents

Abstract

The utility model discloses a trolley lifting tensioner, and relates to the technical field of trolleys. The trolley lifting tensioner comprises a sliding seat, wherein the bottom of the sliding seat is provided with a mounting seat, the sliding seat is provided with a through hole penetrating up and down, a rack is arranged in the through hole, one side of the sliding seat is provided with a groove, the groove is communicated with the through hole, a gear is arranged in the groove, the gear is fixed on the sliding seat through a rotating shaft which is coaxially and rotatably connected, one side of the gear is provided with a handle, the handle is provided with a pawl, the pawl is meshed with the gear, the bottom of the rack is fixedly connected with a supporting piece, and the mounting seat is used for connecting the trolley. According to the utility model, the lifting tensioner is arranged on the trolley, the support piece at the bottom of the lifting tensioner and the handle rotate, the pawl drives the gear to rotate, so that the gear drives the rack to move up and down, the position of the support piece is further adjusted, and when the lifting tensioner is required, the frame is supported at the bottom of the trolley, the position of the support piece can be adjusted according to the specifications of different frames, and the lifting tensioner is convenient to carry.

Description

Trolley lifting tensioner

Technical Field

The utility model relates to the technical field of trolleys, in particular to a trolley lifting tensioner.

Background

The trolley is a manually pushed and pulled carrying vehicle, and although the trolley carrying technology is continuously developed, the trolley is still used as an indispensable carrying tool. The trolley is divided into two types, namely a double-wheel trolley and a single-wheel trolley, the agricultural trolley in rural areas mainly takes the single-wheel trolley as a main part, the single-wheel trolley is lighter than the double-wheel trolley, and the trolley is provided with only one wheel, so that the trolley is convenient for pulling heavy objects on the uphill and flat ground.

The existing trolley is inconvenient to carry some frames, and due to different sizes of the frames, the wheelbarrow is single in function and inconvenient to carry frames with different specifications.

Disclosure of Invention

Therefore, the embodiment of the utility model provides a trolley lifting tensioner which solves the problems of the technology.

In order to achieve the above object, the embodiment of the present utility model provides the following technical solutions:

the utility model provides a dolly rises strainer, includes the sliding seat, the bottom of sliding seat is provided with the mount pad, the through-hole from top to bottom has been seted up to the sliding seat, is provided with the rack in the through-hole, one side of sliding seat is equipped with the recess, the recess with the through-hole UNICOM, be provided with the gear in the recess, the gear is fixed in through the pivot of coaxial rotation connection on the sliding seat, gear one side is provided with the handle, the handle articulate in the pivot, be provided with the pawl on the handle, the pawl with gear engagement, the bottom fixedly connected with support piece of rack, the mount pad is used for connecting the dolly.

Optionally, the mounting seat is detachably and fixedly connected with the trolley.

Optionally, a plurality of mounting holes are formed in the mounting seat, the mounting seat and the trolley are fixedly mounted through the bolt assembly, and the supporting piece is arranged below the trolley.

Optionally, a support seat is fixedly connected to a side of the sliding seat opposite to the groove.

Optionally, a jacking seat is fixedly connected to the top of the rack.

The utility model has at least the following beneficial effects:

according to the utility model, the mounting seat at the bottom of the sliding seat is arranged, the lifting tensioner can be mounted on the trolley, the supporting piece at the bottom of the lifting tensioner can be adjusted by rotating the handle, the handle rotates, the pawl drives the gear to rotate, so that the gear drives the rack to move up and down, the position of the supporting piece is further adjusted, the frame can be supported at the bottom of the trolley when required, and the position of the supporting piece can be adjusted according to the specifications of different frames, so that the trolley is convenient to carry.

Drawings

In order to more clearly illustrate the prior art and the present utility model, the drawings used in the description of the prior art and the embodiments of the present utility model will be briefly described. It will be apparent to those skilled in the art that the drawings in the following description are merely exemplary and that other drawings may be derived from the drawings provided without the inventive effort to those skilled in the art.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, for example, modifications, variations in proportions, or otherwise, used in the practice of the utility model, which are particularly adapted to specific environments without departing from the spirit and scope of the utility model.

FIG. 1 is a schematic view of a first view (disassembled) structure according to an embodiment of the present utility model;

fig. 2 is a second view (installation state) structural diagram of an embodiment of the present utility model;

fig. 3 is a third view (installation state) structural diagram of an embodiment of the present utility model.

Reference numerals illustrate:

1. a sliding seat; 2. a mounting base; 3. a rack; 4. a gear; 5. a handle; 6. a pawl; 7. a support; 8. a trolley; 9. a mounting hole; 10. a support base; 11. and (5) jacking the seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the utility model, if any, are intended to distinguish between the referenced objects. For schemes with time sequence flows, such term expressions are not necessarily to be understood as describing a specific order or sequence, nor are such term expressions to distinguish between importance levels, positional relationships, etc. for schemes with device structures.

Furthermore, the terms "comprises," "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements that are expressly listed but may include other steps or elements not expressly listed but inherent to such process, method, article, or apparatus or steps or elements that may be added based on a further optimization of the inventive concept.

Example 1

As shown in fig. 1-3, the lifting tensioner of the trolley 8 disclosed by the utility model comprises a sliding seat 1, wherein an installation seat 2 is arranged at the bottom of the sliding seat 1, a through hole penetrating up and down is formed in the sliding seat 1, a rack 3 is arranged in the through hole, a groove is formed in one side of the sliding seat 1 and communicated with the through hole, a gear 4 is arranged in the groove, the gear 4 is fixed on the sliding seat 1 through a rotating shaft which is coaxially and rotatably connected, a handle 5 is arranged on one side of the gear 4, the handle 5 is hinged to the rotating shaft, a pawl 6 is arranged on the handle 5, the pawl 6 is meshed with the gear 4, a supporting piece 7 is fixedly connected to the bottom of the rack 3, and the installation seat 2 is used for connecting the trolley 8.

The lifting tensioner is arranged at the front end of the trolley 8;

the rack 3 is slidably connected in the sliding seat 1, and can slide up and down along a through hole in the sliding seat 1, and one side of the saw teeth of the rack 3 faces the direction of the groove;

the gear 4 is meshed with the rack 3, and the gear 4 rotates to drive the rack 3 to slide up and down in the sliding seat 1; the gear 4 is rotationally connected with the sliding seat 1, the gear 4 penetrates through the rotating shaft, the rotating shaft is rotationally connected to the sliding seat 1, the gear 4 is fixed with the rotating shaft, the front end of the handle 5 is of a U-shaped structure and is respectively connected with the two ends of the rotating shaft, and the handle 5 and the gear 4 can coaxially rotate due to the fact that the handle 4 can rotate around the rotating shaft through the hinge structure with the sliding seat 1;

the pawl 6 is arranged in the U-shaped structure with the handle 5 rotating, the pawl 6 is arranged in two sections, two ends of the pawl 6 are arranged at a certain angle, when the handle 5 rotates downwards (taking the ground as a reference), the gear 4 cannot be driven to rotate, and when the handle 5 rotates upwards, the pawl 6 can push the gear 4 to rotate, so that the gear 4 drives the rack 3 to slide downwards (towards the ground) in the sliding seat 1, frames such as a basket in a lower trolley frame can be supported, and meanwhile, as one end of the trolley handle is higher, the basket is obliquely placed on the supporting piece 7 at a certain angle, and the basket can be supported, so that the trolley is convenient to carry;

the pawl 6 may be provided in a concave arc structure;

the gear 4 is meshed with the rack 3 and the pawl 6, the sawtooth part of the gear 4 is divided into two parts, the square part connected with the gear 4 body and the contracted tip end are meshed with the rack 3, the square part of the gear 4 is meshed with the pawl 6, the pawl 6 is arranged above the side of the gear 3 and meshed with the gear 3 through the action of gravity, and the pawl 6 is always meshed with the gear 3.

The mounting seat 2 is detachably and fixedly connected with the trolley 8.

The mounting seat 2 and the trolley 8 are detachably connected, and can be detached when needed, and the disassembly and assembly modes are as follows:

a plurality of mounting holes 9 are formed in the mounting seat 2, the mounting seat 2 and the trolley 8 are fixedly mounted through a bolt assembly, and the supporting piece 7 is arranged below the trolley 8.

Example 2

In this embodiment, the side of the sliding seat 1 opposite to the groove is fixedly connected with a supporting seat 10, that is, a supporting seat 10 is disposed on the opposite side of the handle 5, the supporting seat 10 can be directly welded and fixed with the sliding seat 1, and a screw rod can be disposed on one side of the supporting seat 10 to be in threaded connection with the sliding seat 1, so that the sliding seat is convenient to disassemble and assemble, and the sliding seat is additionally installed or disassembled according to requirements.

The support seat 10 is arranged on one side of the sliding seat 1, and the distance between the support 7 and the support seat 10 can be adjusted by adjusting the position of the support 7, so that the sliding seat is applicable to some scenes needing to be expanded or clamped;

the frame can be supported at the bottom of the supporting seat 10 by adjusting the position of the supporting piece 7 in the frame carrying process, the bottom of the frame is supported by the supporting piece 7, the stability of the frame in the frame carrying process is improved, and the frame is prevented from falling to affect the internal products.

Example 3

In this embodiment, the top of the rack 3 is fixedly connected with a jacking seat 11.

By providing the jacking seat 11 on the top of the rack 3, it can be used as a jacking device to jack up the weight.

For some scenes needing to lift up the weight, after the installation seat 2 is removed, the sliding seat is fixed at a designated position through the installation hole 9 on the installation seat 2, and then the rack 3 is driven to move up and down through the rotating handle 5, so that the lifting seat 11 can lift up the weight, and the labor is saved.

The lifting tensioner of the application utilizes the change of the displacement distance of the gear 4 and the rack 3 to shorten and lengthen the distance, and is used in combination with the fixed ends at the two ends of the rack 3. When the gear 4 fixing sleeve is lifted and locked in position, the gear 4 fixing sleeve can be used as a short-distance lifter or tensioner, the use is quick and convenient, and the tensile strength can be matched with the size of the corresponding rack 3 by manufacturing the size of the gear 4 sleeve.

In the above embodiments, the lifting tensioner can be mounted on the trolley 8 as a fixing piece in the process of carrying the frame;

the screw on the mounting seat 2 can be disassembled to be used as a clamping tool or a spreading tool;

meanwhile, after carrying, the stacking of the frame can also play a good role, the handle 5 can be partially prolonged, meanwhile, the lifting tensioner is installed at a proper position through the installation seat 2, a worker only needs to adjust the lifting seat 11 to a lower position, the frame is placed on the lifting seat, the handle is pressed by hands or feet, the lifting seat 11 is driven to lift, the frame is lifted to a higher position, and then the frame is stacked, so that the use is convenient.

The above specific embodiments may be combined with each other and some embodiments may not be repeated for the same or similar concepts or processes.

Any combination of the technical features of the above embodiments may be performed (as long as there is no contradiction between the combination of the technical features), and for brevity of description, all of the possible combinations of the technical features of the above embodiments are not described; these examples, which are not explicitly written, should also be considered as being within the scope of the present description.

The utility model has been described above with particularity and detail in connection with general description and specific embodiments. It should be noted that it is obvious that several variations and modifications can be made to these specific embodiments without departing from the spirit of the present utility model, which are all within the scope of protection of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (5)

1. The utility model provides a dolly (8) rise strainer which characterized in that: including sliding seat (1), the bottom of sliding seat (1) is provided with mount pad (2), the through-hole from top to bottom has been seted up to sliding seat (1), is provided with rack (3) in the through-hole, one side of sliding seat (1) is equipped with the recess, the recess with through-hole UNICOM, be provided with gear (4) in the recess, gear (4) are fixed in through the pivot of coaxial rotation connection on sliding seat (1), gear (4) one side is provided with handle (5), handle (5) articulate in the pivot, be provided with pawl (6) on handle (5), pawl (6) with gear (4) meshing, the bottom fixedly connected with support piece (7) of rack (3), mount pad (2) are used for connecting dolly (8).

2. A trolley (8) lifting tensioner according to claim 1, characterized in that: the mounting seat (2) is detachably and fixedly connected with the trolley (8).

3. A trolley (8) lifting tensioner according to claim 2, characterized in that: a plurality of mounting holes (9) are formed in the mounting base (2), the mounting base (2) and the trolley (8) are fixedly mounted through a bolt assembly, and the supporting piece (7) is arranged below the trolley (8).

4. A trolley (8) lifting tensioner according to claim 1, characterized in that: and one side of the sliding seat (1) opposite to the groove is fixedly connected with a supporting seat (10).

5. A trolley (8) lifting tensioner according to claim 1, characterized in that: the top of the rack (3) is fixedly connected with a jacking seat (11).