CN209888982U - Food vehicle running mechanism capable of traction or self running - Google Patents

Abstract

The utility model discloses a food vehicle running gear that can pull or be proper motion, including the chassis and install preceding running wheel group, the back running wheel group of chassis downside, back running wheel group includes the revolving axle and installs the back running wheel at the revolving axle both ends, preceding running wheel group upside is connected with the traction frame, preceding running wheel group includes the girder and is located the preceding running wheel of girder both sides, install the axis of rotation between girder both ends and the preceding running wheel, axis of rotation one end is rotated and is connected the preceding running wheel, the axis of rotation other end is articulated with the girder, make the relative girder of axis of rotation accomplish to rotate on the working plane; a locking mechanism for controlling the relative movement of the rotating shaft and the main beam is arranged between the rotating shaft and the main beam, and the locking mechanism works under the traction working condition to ensure that the rotating shaft and the main beam do not move relatively; under the self-propelled working condition, the locking mechanism stops working to enable the rotating shaft to rotate relative to the main beam; the utility model discloses simple structure has realized pulling or two kinds of walking modes by oneself on the food car, and two kinds of walking modes are changeable in the marching.

Description

Food vehicle running mechanism capable of traction or self running

Technical Field

The utility model relates to a vehicle running gear technical equipment field, in particular to can pull or by oneself food car running gear.

Background

Along with the development of social economy, more and more food vehicles appear in the field of vision of the masses, the existing food vehicles are single in advancing and releasing mode, some food vehicles can only advance by being pulled through a traction power device, and some food vehicles advance by self through a power system arranged on the vehicles, but the structure of the advancing in the pulling mode is complex, and a tractor needs to be added; however, the self-propelled food cart cannot meet the requirement of long-distance traveling, so that a food cart compatible with two traveling modes needs to be designed.

The utility model discloses multi-functional bicycle draw gear of china, the announcement number is: CN206202571U, announcement date is: 2017.05.31, the utility model discloses a multi-functional bicycle draw gear, include: the base is divided into a traction part and a towed part, and the traction part is provided with a mounting hole for fixing with a bicycle backseat; the bearing seat is arranged at the upper end of the towed part and is provided with a bearing seat through hole; the multi-unit conversion shaft group, every conversion shaft group of group comprises two the same conversion shafts, and the conversion shaft has the shaft hole that is used for installing quick detach pole or section of thick bamboo axle, and the middle part of conversion shaft is equipped with the shaft shoulder. The utility model discloses, be equipped with the mounting hole through the traction part at bicycle draw gear's base and come to fix with the bicycle back seat, by traction part installation bearing frame, the bearing frame is connected with the one end of bicycle draw gear's change shaft, then places the change shaft to the bicycle front fork on, fixes through quick detach pole or bobbin, the effectual effect of guaranteeing bicycle traction, fancy bicycle long distance is ridden the stadium and is swiftly convenient promptly through this draw gear.

The utility model relates to an intelligent control food car of china, the announcement number is: CN207670275U, announcement date is: 2018.07.31, the utility model belongs to the cooking utensil field, concretely relates to intelligent control food car. In the prior art, all stoves used by various stalls of stations, wharfs, cities and tourist sites are fixed stoves which are difficult to move. The utility model provides an intelligent control food vehicle, which comprises a carriage part and a driving part, wherein the carriage part comprises a carriage body, the upper part of the carriage body comprises a large-size container partition, a small-size container partition, a sauce partition and a storage partition, the lower parts of the large-size container partition, the small-size container partition and the sauce partition are respectively provided with a water tank, a heating pipe is arranged in the water tank, and the side wall of the carriage body is provided with a water pipe interface; the interior of the carriage body also comprises an intelligent control module and a power supply module, and the working state of the heating pipe is controlled by the intelligent control module. The problem that the traditional handcart cannot preserve heat can be solved, and the taste of the transferred dishes is improved; and the applicability is improved in an intelligent control mode. When not cooking, can also be used as a vending vehicle.

The first utility model relates to a combined design of a traction advancing mode and a bicycle, which has a great difference with the traction mode of a food vehicle, and the food vehicle is a four-wheel vehicle, so that the steering function is realized, and the traction of the bicycle is relatively complex; the second utility model is a food car intelligent control scope, the mode scheduling problem that advances that does not relate to the food car.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is that the technical scheme who takes in order to solve above problem is:

a food cart travelling mechanism capable of being pulled or self-propelled comprises a chassis, a front travelling wheel set and a rear travelling wheel set, wherein the front travelling wheel set and the rear travelling wheel set are mounted on the lower side of the chassis; a locking mechanism for controlling the relative movement of the rotating shaft and the main beam is arranged between the rotating shaft and the main beam, and under a traction working condition, the locking mechanism works to ensure that the rotating shaft and the main beam do not move relatively; under the self-propelled working condition, the locking mechanism stops working to enable the rotating shaft to rotate relative to the main beam.

Preferably, the locking mechanism comprises a fixed block, the fixed block is fixedly connected with the rotating shaft, and the fixed block is detachably connected with the main beam; when the locking mechanism works, the fixed block is fastened with the main beam, and when the locking mechanism stops working, the fixed block is detached from the main beam.

Preferably, the fixed block is connected with the main beam through a screw.

Preferably, the upper side of the rear end of the traction frame is connected with the chassis through a turntable, and the lower side of the rear end of the traction frame is connected with the main beam through a plate spring; the front end of the traction frame is connected with a tractor to form a traction device of the food cart.

Preferably, the rotation axis connection of preceding walking wheel group has controls mechanism and link mechanism by oneself, the chassis downside is located back walking wheel one end and installs power device, link mechanism, the proper motion is controlled the proper motion device that mechanism and power device formed the food car by oneself.

Preferably, the self-propelled link mechanism comprises a connecting rod, a first self-propelled rod and a second self-propelled rod which are hinged to two ends of the connecting rod, and free ends of the first self-propelled rod and the second self-propelled rod are fixedly connected with the rotating shaft respectively.

Preferably, the self-control mechanism comprises a steering wheel and a control connecting rod device connected with the steering wheel, and the other end of the control connecting rod device is connected with the rotating shaft.

Preferably, the power device comprises a storage battery and a motor communicated with the storage battery, the output end of the motor is connected with a rotating shaft, rear travelling wheels are installed at two ends of the rotating shaft, the rotating shaft is installed on the upper side of the plate spring through a U-shaped strip, and the plate spring is connected with the chassis.

The utility model discloses the beneficial effect who has does:

1. the utility model relates to a food car running gear that can pull or by oneself, simple structure, the design is exquisite, two kinds of walking modes of pulling or proper motion have been realized on a food car, two kinds of walking modes switch over during advancing again, ingenious structure that has avoided two kinds of walking modes is interfered, two kinds of advancing modes of ingenious collection are on the food car, when article short distance transportation on the food car, can adopt self-propelled device control food car to advance, simple structure avoids using the tractor, when article need long distance transportation on the food car, can pull the food car to advance through other power device, compensate the unsuitable condition of long distance operation of food car self-propelled device, the utility model discloses it has certain design value to advance of multiple mode of food car;

2. the utility model discloses a design dead lock mechanism, when the process of marcing by oneself, release dead lock mechanism when pulling to march, opens dead lock mechanism, perfect realization pull with the switching of two kinds of walking modes by oneself.

Drawings

FIG. 1 is a view of the structure of the present invention;

FIG. 2 is a schematic view of the self-actuating mechanism of the present invention;

fig. 3 is a right side view of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1-3, in order to realize traction and self-traveling of the food cart, the invention creates a food cart traveling mechanism capable of traction or self-traveling, which comprises a chassis 4, a front traveling wheel set 3 and a rear traveling wheel set 6, wherein the front traveling wheel set 3 and the rear traveling wheel set 6 are installed on the lower side of the chassis 4, the upper side of the front traveling wheel set 3 is connected with a traction frame 11, the rear traveling wheel set 6 comprises a revolving shaft 53 and rear traveling wheels 61 installed at two ends of the revolving shaft 53, the front traveling wheel set 3 comprises a main beam 8 and front traveling wheels 31 located at two sides of the main beam 8, a rotating shaft 10 is installed between two ends of the main beam 8 and the front traveling wheels 31, one end of the rotating shaft 10 is rotatably connected with the front traveling wheels 31, and the other end of the; a locking mechanism for controlling the relative movement of the rotating shaft 10 and the main beam 8 is arranged between the rotating shaft 10 and the main beam 8, and under a traction working condition, the locking mechanism works to ensure that the rotating shaft 10 and the main beam 8 do not move relatively; under the self-propelled working condition, the locking mechanism stops working to enable the rotating shaft 10 to rotate relative to the main beam 8.

As shown in fig. 1-3, in order to realize the switching between the traction state and the self-propelled state of the food cart, a locking mechanism is designed, and the locking mechanism starts to work in the traction state, the locking mechanism includes a fixed block 9, the fixed block 9 is fixedly connected with a rotating shaft 10, the fixed block 9 is detachably connected with a main beam 8, and preferably, the fixed block 9 is connected with the main beam 8 through a screw; under the traction working condition, the locking mechanism starts to work and is fastened with the main beam 8 through the fixing block 9 by screws, so that the rotating shaft 10 and the main beam 8 do not move relatively, and the food vehicle can be dragged to move forwards; under the self-propelled working condition, the locking mechanism stops working, the constraint of the fixed block 9 and the main beam 8 is removed, the relative rotary motion of the rotating shaft 10 and the main beam 8 is realized, and the food cart is guaranteed to travel by self.

As shown in fig. 1-3, in order to achieve the traction function of the food cart and meet the steering requirement of the food cart under the traction condition, the upper side of the rear end of the traction frame 11 is connected with the chassis 4 through a turntable 12, the lower side of the rear end of the traction frame 11 is connected with the main beam 8 through a plate spring 13, and the turntable 12 is fixed with the chassis 4; the tractor is connected to traction frame 11 front end and forms draw gear 1 of food car, and under the operating mode that pulls, because the installation of carousel 12 makes traction frame 11 rotate 4 relatively the chassis, makes things convenient for the food car to turn to under the traction operating condition.

In order to realize the proper motion of food car to satisfy and pull turning to of food car under the operating mode, the axis of rotation 10 of preceding walking wheelset 3 is connected with proper motion link mechanism 7, locking mechanism articulates there is self-propelled control mechanism 2, 6 one end installation power device 5 of walking behind 4 downside on chassis are located, self-propelled link mechanism 7, self-propelled control mechanism 2 and power device 5 form the proper motion device of food car.

As shown in fig. 1 to 3, in order to realize the turning action of the food cart controlled by the self-propelled device, the self-propelled link mechanism 7 comprises a connecting rod 72 and a first self-propelled rod 71 and a second self-propelled rod 73 hinged at two ends of the connecting rod 72, the free ends of the first self-propelled rod 71 and the second self-propelled rod 73 are respectively and fixedly connected with the rotating shaft 10, and the front travelling wheel 3 can rotate relative to the connecting rod 72 with the first self-propelled rod 71 and the second self-propelled rod 73, so as to realize the turning action of the front travelling wheel 3.

As shown in fig. 1-3, in order to control the food cart to travel, the self-propelled control mechanism 2 includes a steering wheel 22 and a control link device 21 connected to the steering wheel, the other end of the control link device 21 is connected to the rotating shaft 10, in this embodiment, preferably, the control link device 21 is hinged to the fixed block 9, and since the fixed block 9 is fixedly connected to the rotating shaft 10, the control link device 21 can indirectly control the rotating shaft 10 to operate, thereby achieving the steering of the front traveling wheels 31; the control link device 21 is a conventional device, and is commonly used in a steering control process of a vehicle, and will not be described herein.

As shown in fig. 1-3, in order to satisfy the power of the food cart during the self-traveling process, the power device 5 includes a battery 51 and a motor 52 communicated with the battery 51, the output end of the motor 52 is connected with a revolving shaft 53, the rear traveling wheels 6 are installed at two ends of the revolving shaft 53, the revolving shaft 53 is installed at the upper side of the plate spring 13 through a U-shaped bolt 54, so that the revolving shaft 53 can revolve relative to the plate spring 13, and the plate spring 13 is fixedly connected with the chassis 4, thereby realizing that the revolving shaft 53 can revolve relative to the chassis 4 and drive the rear traveling wheels 6 to; preferably, the total voltage of the battery 51 is designed to be 48v, the power requirement is met by connecting 6 batteries 8v and 40AH in series in the embodiment, and the working power of the adopted motor 52 is 1000 w.

The utility model discloses a working process does:

as shown in fig. 1-3, in a traction working condition, the locking mechanism needs to be opened, and the fixing block 9 and the main beam 8 are fastened by screws, so that no relative movement between the rotating shaft 10 and the main beam 8 is realized, then the tractor is connected with the food cart traction frame 11, the tractor drives the food cart to advance through the traction frame 11, and in the traction advancing process, the food cart can realize the relative rotation between the chassis 4 and the traction frame 11 through the turntable 12, so as to realize the steering of the food cart in the traction working state.

As shown in fig. 1-3, under the self-walking working condition, the locking mechanism is released, the switch of the power device 5 is turned on, the battery 51 provides power for the motor 52, the motor 52 drives the revolving shaft 53 to rotate, the revolving shaft 53 drives the rear walking wheels 6 to advance, and the rear walking wheels 6 advance through the chassis 4 to drive the front walking wheels 3 to advance; in the process of advancing, the self-propelled control mechanism 2 can drive the front traveling wheels 31 to turn, the steering wheel 22 is rotated, and the control connecting rod device 21 connected with the steering wheel 22 can indirectly control the rotating shaft 10 to rotate relative to the main beam 8, so that the front traveling wheels 31 are turned, the turning of the food cart can be completed, and the turning principle is applied to the fields of automobiles and the like, so that the description is omitted.

The utility model discloses set forth above the working process under the operating mode of pulling and the operating mode by oneself has overcome the single mode of marcing of present food car, has realized the diversified mode of marcing of food car.

The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. 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, but 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 thus, should not be construed as limiting the scope of the present invention.

If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, and the words are not intended to have a special meaning unless otherwise stated.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments, but such modifications or substitutions do not depart from the spirit and scope of the present invention.

Claims (8)

1. A food cart travelling mechanism capable of being pulled or self-propelled comprises a chassis, a front travelling wheel set and a rear travelling wheel set, wherein the front travelling wheel set and the rear travelling wheel set are mounted on the lower side of the chassis; a locking mechanism for controlling the relative movement of the rotating shaft and the main beam is arranged between the rotating shaft and the main beam, and under a traction working condition, the locking mechanism works to ensure that the rotating shaft and the main beam do not move relatively; under the self-propelled working condition, the locking mechanism stops working to enable the rotating shaft to rotate relative to the main beam.

2. The food cart traveling mechanism capable of towing or traveling by oneself according to claim 1, wherein the locking mechanism includes a fixed block, the fixed block is fixedly connected with the rotating shaft, and the fixed block is detachably connected with the main beam; when the locking mechanism works, the fixed block is fastened with the main beam, and when the locking mechanism stops working, the fixed block is detached from the main beam.

3. The food cart running mechanism capable of towing or moving according to claim 2, wherein the fixing block is connected with the main beam through a screw.

4. The food cart traveling mechanism capable of towing or traveling automatically according to claim 1, wherein the upper side of the rear end of the towing frame is connected with the chassis through a turntable, and the lower side of the rear end of the towing frame is connected with the main beam through a plate spring; the front end of the traction frame is connected with a tractor to form a traction device of the food cart.

5. The food cart traveling mechanism capable of towing or traveling automatically according to claim 1, wherein a self-propelled control mechanism and a self-propelled link mechanism are connected to the rotating shaft of the front traveling wheel set, a power device is installed at one end, located at the rear traveling wheel, of the lower side of the chassis, and the self-propelled link mechanism, the self-propelled control mechanism and the power device form a self-propelled device of the food cart.

6. The food cart traveling mechanism capable of towing or traveling automatically according to claim 5, wherein the traveling link mechanism comprises a link and a first traveling lever and a second traveling lever hinged to both ends of the link, and free ends of the first traveling lever and the second traveling lever are respectively and fixedly connected to the rotating shaft.

7. The trailed or self-propelled food cart travelling mechanism according to claim 5, wherein the self-propelled control mechanism comprises a steering wheel and a control link means connected to the steering wheel, the control link means being connected at the other end to the rotating shaft.

8. The running mechanism of a food cart capable of being pulled or propelled according to claim 5, wherein the power unit comprises a battery and a motor connected with the battery, the output end of the motor is connected with a rotating shaft, rear running wheels are installed at two ends of the rotating shaft, the rotating shaft is installed on the upper side of the plate spring through a U-shaped strip, and the plate spring is connected with the chassis.

Images