CN220701172U - Handcart - Google Patents

Abstract

The utility model discloses the technical field of trolleys, in particular to a trolley, which comprises a trolley body, a wheel assembly and a push handle, wherein the trolley body is provided with a storage space, the wheel assembly is telescopically assembled at the bottom of the trolley body, the push handle is slidably assembled with the trolley body and is used for controlling the wheel assembly to be telescopic at the bottom of the trolley body, the wheel assembly comprises a rotating wheel, a groove for accommodating the wheel assembly is arranged at the bottom of the trolley body, the groove is concavely arranged from outside to the bottom of the trolley body, the simplicity of telescopic control of the wheel assembly is improved, the working efficiency is improved, the time and energy of a user are saved, the trolley can store the wheel assembly when the trolley does not need to move, the accidental movement is prevented, the possibility of damage caused by long-term compression of the rotating wheel is reduced, the replacement frequency of the rotating wheel is reduced, the service life is prolonged, the stability and the safety of articles stored in the storage space are improved, the use scene diversity of the trolley is improved, and the reliability of blood bag transportation is improved particularly when the trolley is used for a blood station.

Description

Handcart

Technical Field

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

Background

The trolley is a manually pushed and pulled carrying vehicle, is widely applied to production and life, is used for industrial transportation materials, commercial transportation goods, medical transportation medicine appliances and the like, has low cost, simple maintenance, convenient operation and light dead weight, is very convenient for carrying lighter articles in a short distance, and can work in places where the motor vehicle is inconvenient to use;

however, in the trolley in the prior art, because the rotating wheel of the trolley cannot be stored, when the trolley is idle, the space is occupied, and the rotating wheel is in a pressed state for a long time, one surface of the rotating wheel, which is in contact with the ground, is pressed for a long time to cause deformation, so that the appearance of the rotating wheel is changed, and the rotating smoothness of the rotating wheel is affected; secondly, the rotating wheels cannot be stored, so that when the trolley is carried out and placed on a motor vehicle, the trolley is easy to shake due to the small contact area between the wheels and the supporting surface, so that the trolley needs to be additionally written in the storage box for storing articles, the shaking amount is reduced, the carrying burden of the articles is increased, and particularly for the medical industry, the shaking amount is reduced as much as possible in the transportation process, for example, after the infusion bottle is shaken, the infusion bottle is broken due to mutual collision, the normal operation of infusion is influenced, and after the blood bag is shaken, blood cells are broken, hemolysis is further caused, and the integrity of blood components is influenced;

therefore, there is a need to design a cart to solve the above problems.

Disclosure of Invention

The utility model aims to provide a handcart which is designed for solving at least one technical problem in the background technology.

In order to achieve the above purpose, the present utility model adopts the following scheme: the utility model provides a handcart, includes the automobile body, the automobile body is provided with the storage space, still includes wheel subassembly, pushing hands, wheel subassembly telescopic assembly in the bottom of automobile body, pushing hands with automobile body slidable assembly just is used for control wheel subassembly flexible in the bottom of automobile body, wheel subassembly is including rotating the wheel, the bottom of automobile body is provided with and is used for holding wheel subassembly's recess, the recess is from outside towards the bottom of automobile body is sunken to be set up, works as wheel subassembly is in when stretching out the state, rotate the wheel expose in the roof of recess.

The wheel assembly comprises a connecting piece, one end of the connecting piece is assembled with the rotating wheel in a rotating mode, the rotating wheel is arranged on two sides of the connecting piece, and the other end of the connecting piece is assembled with the vehicle body in a rotating mode.

The wheel assemblies are provided with four groups, the grooves are provided with two groups, every two groups of wheel assemblies are arranged in the same group of grooves, and the four groups of wheel assemblies are arranged in a square mode.

The automobile body is provided with a connecting hole traversing the other groove side wall from one groove side wall, the rotating shaft is rotationally assembled with the inner wall of the connecting hole, and one end of the connecting piece, which is far away from the rotating wheel, is fixedly connected with the rotating shaft.

The wheel assembly comprises a wheel assembly body, a wheel assembly body and a connecting rod, wherein the wheel assembly body is arranged on the wheel assembly body, and the wheel assembly body is arranged on the wheel assembly body.

The wheel assembly comprises a rotating shaft, a rotating handle, a wheel assembly, a wheel, a rack, a gear, a pushing handle and a wheel assembly, wherein the gear is meshed with the gear, the rack is assembled with the gear, the gear is connected to the rotating shaft, the gear is arranged coaxially with the rotating shaft, the pushing handle is assembled on the rack, and when the pushing handle slides downwards, the wheel assembly rotates around the axis of the rotating shaft.

The automobile body is from the automobile body bottom is towards the pivot is sunken to be provided with installation space, the gear with the rack is located in the installation space, the rack is followed the inner wall in installation space reciprocates.

The vehicle body is provided with a storage space for storing the pushing hands, the storage space is arranged from the top of the vehicle body towards the installation space in a recessed mode, at least part of racks are located in the installation space, and the pushing hands and the racks can be assembled in a rotatable mode.

The storage space is provided with a limiting lug arranged at one end upwards, the pushing handle is provided with a limiting groove, and the limiting lug slides on the inner wall of the limiting groove.

The vehicle body comprises a top door for opening and closing the storage space and two groups of side doors, wherein the top door is rotatably assembled with the top wall of the storage space, and the two groups of side doors are rotatably assembled with the side walls of the storage space respectively.

The utility model has the advantages that the simplicity of the telescopic control of the wheel assembly is improved, and a user can easily switch different states in a busy working environment, so that the working efficiency is improved, and the time and energy of the user are saved; the trolley is used for accommodating the wheel assembly when the trolley does not need to move, so that the trolley body is stably placed, accidental movement is prevented, and the space utilization rate is improved; the durability is improved, the possibility of damage to the rotating wheel caused by long-term compression is reduced, the replacement frequency of the rotating wheel is reduced, the abrasion and damage of parts are reduced, and the service life of the handcart is prolonged; the use scene diversity of promotion handcart is when being applied to the blood station, promotes the stability that stores the space and stores the bloodletting bag, ensures the security of blood transfusion process.

Drawings

FIG. 1 is a schematic front view of a cart;

FIG. 2 is a schematic bottom view of a cart;

FIG. 3 is a schematic view of a push rotation angle of the cart;

FIG. 4 is a bottom view of the wheelbarrow in an extended position;

FIG. 5 is a cross-sectional view at A-A in FIG. 4;

FIG. 6 is a cross-sectional view at B-B in FIG. 4;

FIG. 7 is a partial enlarged view at C in FIG. 6

FIG. 8 is a bottom view of the wheel assembly of the cart in a retracted state;

FIG. 9 is a cross-sectional view taken at D-D of FIG. 8;

figure 10 is a schematic view of a cart for a blood station.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so as to provide an intuitive and visual understanding of each technical feature and overall solution of the present utility model, but are not to be construed as limiting the scope of the present utility model.

In the description of the present utility model, if an orientation description such as "upper", "lower", "front", "rear", "left", "right", etc. is referred to, it is merely for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model. When a feature is referred to as being "disposed," "secured" or "connected" to another feature, it can be directly disposed, secured or connected to the other feature or it can be indirectly disposed, secured or connected to the other feature.

In the description of the present utility model, if "a number" is referred to, it means one or more, if "a number" is referred to, it means two or more, if "greater than", "less than", "exceeding" is referred to, it is to be understood that the number is not included, and if "above", "below", "within" is referred to, it is understood that the number is included. If reference is made to "first", "second" it is to be understood as being used for distinguishing technical features and not as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Furthermore, unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

Examples: as shown in fig. 1-9, a handcart comprises a handcart body 1, wherein the handcart body 1 is provided with a storage space 101, the handcart further comprises a wheel assembly 2 and a pushing handle 3, the wheel assembly 2 is telescopically assembled at the bottom of the handcart body 1, the pushing handle 3 is slidably assembled with the handcart body 1 and is used for controlling the wheel assembly 2 to be telescopic at the bottom of the handcart body 1, the wheel assembly 2 comprises a rotating wheel 201, the bottom of the handcart body 1 is provided with a groove 102 for accommodating the wheel assembly 2, the groove 102 is concavely arranged from outside towards the bottom of the handcart body 1, and when the wheel assembly 2 is in an extending state, the rotating wheel 201 is exposed at the top wall of the groove 102.

Therefore, when the push handle is pulled out, the wheel assembly is in an extending state, the vehicle body can slide at the moment, when the push handle is retracted, the wheel assembly is in a retracting state, the vehicle body cannot slide at the moment, the bottom of the vehicle body is in contact with the ground or other supporting surfaces, the contact area is increased, the friction force is increased, the simplicity of telescopic control of the wheel assembly is improved, a user can switch different states more easily in a busy working environment, the working efficiency is improved, when the wheel assembly is retracted into the groove, the trolley becomes a box, the space occupation of the trolley is saved, meanwhile, the effect of storing objects during transportation is achieved, and the workload of carrying the box in addition is reduced when the user goes out; secondly, the handcart can firmly be placed when not needing to remove, prevent unexpected removal, reduce the long-term pressurized of rotor and lead to the possibility of damage, reduce the change frequency of rotor, reduce spare part wearing and tearing and damage, the life of extension handcart, save user's time and energy, make this handcart both can play the effect of hand push transportation, can store article as the case again, promote the use scene diversity of handcart, especially when being used for the blood station, when carrying out the long distance transport of blood bag, protect the blood bag effectively and avoid violently rocking the damage that probably brings, ensure that the blood of transport is intact harmless, prevent blood damage.

Wherein, the wheel assembly 2 comprises a connecting piece 202, one end of the connecting piece 202 is assembled with the rotating wheel 201 in a rotating way, the rotating wheel 201 is arranged at two sides of the connecting piece 202, and the other end of the connecting piece 202 is assembled with the vehicle body 1 in a rotating way.

The rotating wheel 201 can rotate around the axis of the rotating wheel 201, and the rotating wheel 201 can rotate around the connecting piece, so that the linear movement and turning of the trolley are realized.

The four sets of wheel assemblies 2 are arranged in the same group of grooves 102, two sets of grooves 102 are arranged in the grooves 102, the four sets of wheel assemblies 2 are arranged in a square shape, and the stability of the wheel assemblies on the support of a vehicle body is improved.

The vehicle body 1 is provided with a communication hole traversing the side wall of one groove 102 from the side wall of the other groove 102, the rotation shaft 4 is rotatably assembled with the inner wall of the communication hole, and one end of the connecting piece 202 far away from the rotation wheel 201 is fixedly connected with the rotation shaft 4.

The rotating shafts 4 are provided with two groups, the two groups of rotating shafts 4 are arranged front and back, two ends of each rotating shaft 4 are respectively connected with the wheel assemblies 2, and the cooperativity of the wheel assemblies is improved.

The wheel assembly comprises a wheel assembly 2, a wheel assembly and a linkage rod 5, wherein the wheel assembly 2 and the wheel assembly 2 are rotatably assembled in the same groove 102 at two ends of the linkage rod 5, and the linkage rod is arranged.

Wherein, the gangbar 5 is provided with two groups, one group of the two ends of the gangbar 5 are rotatably assembled at one end of the connecting piece 202 close to the rotating wheel 201, and the other group of the two ends of the gangbar 5 are rotatably assembled at one end of the connecting piece 202 close to the rotating shaft 4, so that the stability and the reliability of cooperative control among the wheel assemblies are improved.

The wheel assembly comprises a rotating shaft 4, a rotating shaft 6, a gear 6, a rack 7 meshed with the gear 6, and a pushing handle 3, wherein the gear 6 is connected to the rotating shaft 4, the gear 6 and the rotating shaft 4 are coaxially arranged, the pushing handle 3 is assembled on the rack 7, when the pushing handle 3 slides downwards, the wheel assembly 2 rotates around the axis of the rotating shaft 4, and the rotation of the rotating shaft is realized through the meshing transmission of the gear and the rack, so that the wheel assembly stretches into the groove.

Wherein, the car body 1 is concavely provided with a mounting space 104 from the bottom of the car body 1 towards the rotating shaft 4, the gear 6 and the rack 7 are positioned in the mounting space 104, and the rack 7 moves up and down along the inner wall of the mounting space 104.

The cart body 1 is provided with a storage space 105 for storing the push handle 3, the storage space 105 is concavely arranged from the top of the cart body 1 towards the installation space 104, at least part of the racks 7 are located in the installation space 104, the push handle 3 and the racks 7 can be rotatably assembled, and the integrity of the cart is improved.

Wherein, the one end up of accommodation space 105 has the spacing ear that the arch set up, pushing hands 3 are provided with spacing groove 301, spacing ear slide in the inner wall of spacing groove 301 promotes pushing hands gliding precision.

The vehicle body 1 is provided with a relief groove 301, and the relief groove 301 is concavely arranged from the side wall of the vehicle body 1 towards the storage space 105, so that the risk of interference with the vehicle body when the pushing handle rotates is reduced.

The telescopic handle comprises a rack 7, a gear 6, a telescopic rod 8, a pushing handle 3, a telescopic rod 8, a rack 7, a rack 6 and a pushing handle 3, wherein the telescopic rod 8 is assembled between the pushing handle 3 and the rack 7, the telescopic rod 8 is provided with a concave chute from the rack 7 to the telescopic rod 8, one end of the rack 7, which is far away from the gear 6, is slidingly assembled in the inner wall of the chute, one end of the telescopic rod 8, which is far away from the chute, is rotationally assembled with the pushing handle 3, so that the pushing handle is stored in a storage space, the structural integrity of the trolley after storage is improved, and the utilization rate of the storage space is improved.

When the pushing handle 3 is stored in the storage space 105, the limiting lugs play a role in guiding, so that the pushing handle 3 moves downwards along the limiting groove 301, the telescopic rod 8 is pushed to move downwards until the top wall of the groove is abutted against the rack, the rack 7 is pushed to move, the rack 7 is moved to drive the gear 6 to rotate, the rotating shaft 4 is driven to rotate, two groups of wheel assemblies 2 connected with the rotating shaft are driven to rotate towards the bottom wall of the groove 102, the linkage rod 5 drives the other two groups of wheel assemblies 2 to rotate towards the bottom wall of the groove 102, four groups of wheel assemblies 2 are stored in the groove 102, storage of the handcart is completed, and the pushing handle 3 is placed in the storage space 105, at the moment, a box shape is formed, and transportation is facilitated;

when the pushing handle 3 is pulled out from the storage space 105, the telescopic rod 8 slides to the outer wall of the rack 7 and drives the rack 7 to move upwards, until the pushing handle 3 moves to the highest point, the limiting lug plays a limiting role, at this time, the pushing handle 3 can rotate around the limiting lug, so that the angle of the pushing handle 3 is changed, pushing is convenient, meanwhile, the risk that the pushing handle mistakenly pushes the rack to move during pushing is reduced, at this time, the abdicating groove 107 plays a role of avoiding the pushing handle 3, and the pushing reliability of a vehicle body is improved.

The vehicle body 1 comprises a top door 108 for opening and closing the storage space 101, two groups of side doors 109, wherein the top door 108 is rotatably assembled with the top wall of the storage space 101, the two groups of side doors 109 are rotatably assembled with the side walls of the storage space 101 respectively, so that the side doors can be opened to enter the storage space, and meanwhile, the side doors can be opened to enter the storage space, thereby facilitating the use of people to take and put articles or other appliances, facilitating the use of people, and improving the efficiency of the operation of the users.

Wherein, automobile body 1 includes the insulating layer, the insulating layer sets up the inner wall of storing space 101, the insulating layer sets up top door 108 with side door 109 is towards one side of storing space 101 reduces the influence of ambient temperature to the interior temperature of storing space to promote the security that article was stored, especially be used for the blood station when using the blood bag of storing, promote the security that the blood bag was transported, was stored.

Wherein, the diapire of automobile body 1 is provided with the non-slip raised, increases the wheel subassembly and accomodates the back, and the frictional force of automobile body diapire and ground or holding surface reduces rocking or the aversion of automobile body, promotes the security of article transportation.

Example 2: as shown in fig. 1-10, a trolley for a blood station, which includes a trolley described in embodiment 1, further includes a protruding portion protruding inward from an inner side wall of the storage space 101, the protruding portion is provided with a containing chamber 9 penetrating inward from outside, the containing chamber 9 is used for placing ice bags, by being provided with ice bags, a temperature in the storage space is maintained, so that quality of the blood bags stored in the storage space is reduced, the trolley for a blood station is used for transferring the blood bags and blood collection devices from one place to another place, so as to ensure smooth progress of blood collection or blood collection processes in a bed, facilitate medical staff to transport the blood bags to a laboratory or refrigeration equipment for next processing and storage, or transport the required blood bags to a place for medical staff, and enable the medical staff to use, and under long-distance transportation, the wheel assembly is retracted into a trolley body, and at this time is in a box shape, as shown in fig. 9, a contact area of the trolley body and a supporting surface is raised, shaking quantity of the trolley body is reduced, and accordingly, while in a condition of a vehicle body in a vehicle body, such as a car body is not capable of being pushed by a car body, and a condition of being pushed out of a car body is in a condition, such as a car body is in a condition of a short distance, and a hospital is not easy to be moved, and a hospital is in a condition, such as a condition is shown, and a hospital is convenient for a hospital is 3.

The bulge is provided with a waterproof layer, so that liquid of the ice bag is prevented from penetrating into the storage space, and the quality of blood bag storage in the storage space is improved.

Further scheme is, still include the baffle, the baffle sets up in the inner wall of storage space separates into different regions with storing air to the placing of different medical appliances of adaptation, blood bag, infusion bottle, promotes the stability of placing in storage space, further reduces the amount of shaking in the transportation.

Wherein, the baffle surface parcel has the buffering bubble cotton to this plays the cushioning effect to the article of contact, promotes security and reliability to transportation such as blood bag, infusion bottle.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a handcart, includes the automobile body, the automobile body is provided with storage space, its characterized in that: the wheel assembly comprises a rotating wheel, the bottom of the vehicle body is provided with a groove for accommodating the wheel assembly, the groove is arranged from outside to the bottom of the vehicle body in a recessed mode, and when the wheel assembly is in an extending state, the rotating wheel is exposed out of the top wall of the groove.

2. A trolley according to claim 1, characterized in that: the wheel assembly comprises a connecting piece, one end of the connecting piece is assembled with the rotating wheel in a rotating mode, the rotating wheel is arranged on two sides of the connecting piece, and the other end of the connecting piece is assembled with the vehicle body in a rotating mode.

3. A trolley according to claim 2, characterized in that: the wheel assembly is provided with four groups, the recess is provided with two groups, every two groups wheel assembly sets up in same group the recess, four groups wheel assembly is square arrangement.

4. A trolley according to claim 3, wherein: the automobile body is provided with a connecting hole traversing the other groove side wall from one groove side wall, the rotating shaft is assembled with the inner wall of the connecting hole in a rotating way, and one end of the connecting piece, which is far away from the rotating wheel, is fixedly connected with the rotating shaft.

5. A cart according to claim 4, wherein: the wheel assembly comprises a wheel assembly body, a wheel assembly body and a connecting rod, wherein the wheel assembly body is provided with a groove, and the wheel assembly body is provided with a wheel assembly body.

6. A trolley according to claim 4 or 5, characterized in that: the wheel assembly comprises a rotating shaft, a gear, a rack, a pushing hand and a wheel assembly, wherein the rack is meshed with the gear, the gear is connected to the rotating shaft, the gear is coaxially arranged with the rotating shaft, the pushing hand is assembled on the rack, and when the pushing hand slides downwards, the wheel assembly rotates around the axis of the rotating shaft.

7. A cart according to claim 6, wherein: the automobile body is followed the automobile body bottom is towards the pivot is sunken to be provided with installation space, the gear with the rack is located in the installation space, the rack is followed the inner wall in installation space reciprocates.

8. A cart according to claim 7, wherein: the automobile body is provided with and is used for accomodating the accommodation space of pushing hands, accommodation space is followed the top of automobile body is towards the sunken setting of installation space, at least part the rack is located in the installation space, the pushing hands with the rotatable assembly of rack.

9. A cart according to claim 8, wherein: the storage space is provided with a limiting lug arranged at the upward end, the pushing handle is provided with a limiting groove, and the limiting lug slides on the inner wall of the limiting groove.

10. A trolley according to claim 1, characterized in that: the car body comprises a top door for opening and closing the storage space and two groups of side doors, wherein the top door is assembled with the top wall of the storage space in a rotating way, and the two groups of side doors are assembled with the side walls of the storage space in a rotating way respectively.