CN218055306U

CN218055306U - Protective device for handcart

Info

Publication number: CN218055306U
Application number: CN202222233932.3U
Authority: CN
Inventors: 唐点军
Original assignee: Qingdao Xinhai Shengtang Metal Manufacturing Co ltd
Current assignee: Qingdao Xinhai Shengtang Metal Manufacturing Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-12-16
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses a protector for handcart, comprising a hopper, the pivot is all installed through the bearing to the both sides outer wall lower extreme of hopper, the fixed tire that is provided with of one end of pivot, one side outer wall of hopper is provided with the push rod of symmetric distribution, the both sides outer wall of hopper has the cover to locate the outside safety cover of tire through the mounting bracket rigid coupling, the both sides inner wall of safety cover is connected with the bull stick that the equidistance distributes jointly through the bearing, the fixed scraper blade that is provided with in outside middle-end of bull stick, the bottom of scraper blade is provided with the arc wall with the tire adaptation, the torsional spring has all been cup jointed at the outside both ends of bull stick. The utility model discloses a be provided with the safety cover, firstly the safety cover can prevent that the rainwater that the tire carried from taking place the splash, secondly installs a plurality of scraper blades in the safety cover, and the sand on the tire will be struck off by the scraper blade, and then keeps the clean nature of tire, can prevent the too much increase of tire silt and the frictional force on ground.

Description

Protective device for handcart

Technical Field

The utility model relates to a handcart technical field especially relates to a protector for handcart.

Background

The handcart is a transport vehicle which is pushed and pulled by people and is the ancestor of all vehicles. While the technology of cart materials handling continues to advance, carts continue to be used as an indispensable handling tool. The trolley is widely used in production and life because of its low cost, simple maintenance, convenient operation, light weight, ability to work in places where motor vehicles are not convenient to use, and convenience in carrying lighter objects in short distance.

Through the retrieval, chinese patent application number 201720872571.3's patent discloses a handcart for municipal building engineering, including handcart body, support, protective sheath, protection casing, pivot and pressure sensor, the inside of base is provided with pressure sensor, and the lateral wall of base is close to the embedding of pressure sensor one side position department and is provided with the pivot, the outside cover of first bracing piece has the protective sheath, the protection casing is installed in the outside of tire, and the one end of protection casing is provided with the support.

The protection casing that handcart in the above-mentioned patent passed through can prevent that the rainwater that the tire carried from taking place the splash, has avoided the splash of rainwater to lead to the problem that the user clothing is soaked, but it can not get rid of some sand and soil of tire adhesion, and at the in-process that promotes like this, if the too much frictional force that can increase tire and ground of sand and soil adhesion, it is more hard to make the small handcart promote, and is more inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protector for handcart to solve the problem that proposes among the above-mentioned background art.

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

the utility model provides a protector for handcart, includes the hopper, the pivot is all installed through the bearing to the both sides outer wall lower extreme of hopper, the fixed tire that is provided with of one end of pivot, one side outer wall of hopper is provided with the push rod of symmetric distribution, the both sides outer wall of hopper has the cover to locate the outside safety cover of tire through the mounting bracket rigid coupling, the both sides inner wall of safety cover is connected with the bull stick that the equidistance distributes jointly through the bearing, the fixed scraper blade that is provided with in outside middle-end of bull stick, the bottom of scraper blade be provided with the arc wall with tire adaptation, the torsional spring has all been cup jointed at the outside both ends of bull stick, the both ends of torsional spring respectively with scraper blade and safety cover fixed connection.

As a further improvement scheme of the technical scheme: the hopper is characterized in that supporting legs are fixedly arranged on two sides of the outer wall of the bottom of the hopper, anti-skidding blocks are fixedly arranged at the bottom ends of the supporting legs, and the anti-skidding blocks are made of rubber.

As a further improvement scheme of the technical scheme: the push rod comprises a fixed rod fixedly connected to the outer wall of one side of the hopper, and a push handle is installed at one end of the fixed rod through an adjusting mechanism.

As a further improvement scheme of the technical scheme: the adjusting mechanism comprises a rectangular frame fixedly connected to one end of the fixed rod, a moving rod is inserted into the rectangular frame in an inserted mode, the pushing handle is fixedly connected to the top end of the moving rod, and a limiting component is arranged outside the rectangular frame.

As a further improvement scheme of the technical scheme: the limiting component comprises a screw hole arranged on the outer wall of one side of the rectangular frame, and a positioning rod is connected inside the screw hole through threads.

As a further improvement scheme of the technical scheme: the outer wall of one side of the movable rod, which is close to the positioning rod, is provided with positioning holes which are distributed equidistantly, and the positioning rod is matched with the positioning holes.

As a further improvement scheme of the technical scheme: the outer portion of the push handle is sleeved with a handle sleeve made of rubber materials, and anti-slip grains are arranged on the outer portion of the handle sleeve.

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

1. this a protector for handcart, through being provided with the safety cover, the rainwater that the safety cover can prevent that the tire from carrying takes place the splash, secondly installs a plurality of scraper blades in the safety cover, and when the handcart went like this, the sand and soil on its tire will be scraped by the scraper blade, and then keeps the cleaning nature of tire, can prevent the too much increase of tire silt and the frictional force on ground.

2. This a protection device for handcart through being provided with adjustment mechanism, it can be to pushing away the height of handle and adjusting, and then the staff that is fit for different heights goes to use, and the flexibility is good.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of a protective device for a trolley according to the present invention;

fig. 2 is a schematic view of a scraper structure of a protective device for a trolley according to the present invention;

fig. 3 is a schematic structural view of an adjusting mechanism of the protection device for a trolley according to the present invention.

In the drawings, the reference numbers indicate the following list of parts:

1. a hopper; 2. a tire; 3. anti-skid blocks; 4. a support leg; 5. a protective cover; 6. fixing the rod; 7. a travel bar; 8. a push handle; 9. covering the handlebar; 10. a squeegee; 11. a torsion spring; 12. a rotating rod; 13. a rectangular frame; 14. positioning a rod; 15. and (7) positioning the holes.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-3, in the embodiment of the present invention, a protection device for a handcart, including hopper 1, the pivot is all installed through the bearing to the both sides outer wall lower extreme of hopper 1, there is tire 2 in the one end of pivot through bolt fixed mounting, one side outer wall of hopper 1 is provided with the push rod of symmetric distribution, the both sides outer wall of hopper 1 has the cover to locate the outside safety cover 5 of tire 2 through the mounting bracket rigid coupling, the both sides inner wall of safety cover 5 is connected with equidistance distribution's bull stick 12 through the bearing jointly, the outside middle-end welding of bull stick 12 has scraper blade 10, the bottom of scraper blade 10 is provided with the arc wall with tire 2 adaptation, as shown in fig. 2, scraper blade 10 and tire 2 are a state that is close to the contact, can play a scraping effect to the sand on tire 2 like this, torsional spring 11 has all been cup jointed at the outside both ends of bull stick 12, the both ends of torsional spring 11 respectively with

scraper blade

10 and 5 fixed connection, torsional spring 11 plays a limiting action to tire 2, make scraper blade 10 strike off the sand of tire 2 and cause the life-time of subsequent many times of installation if meeting scraper blade 10 and scraper blade installation, then the fixed installation of scraper blade 10 can be installed through the fixed mounting of torsional spring 10, then will be installed and the life-time of the tire 10, then will be installed more 10, then to the tire.

The utility model discloses in, the bottom outer wall both sides of hopper 1 are all fixed and are provided with landing leg 4, and the bottom mounting of landing leg 4 is provided with non slipping spur 3, and the material of non slipping spur 3 is rubber, when parking, can the handcart stable stay.

The utility model discloses in, the push rod includes that the rigid coupling is installed in the dead lever 6 of 1 one side outer wall of hopper, the one end of dead lever 6 through adjustment mechanism and is pushed away 8.

The utility model discloses in, adjustment mechanism includes that the rigid coupling is in the rectangle frame 13 of 6 one ends of dead lever, and the inside of rectangle frame 13 is pegged graft and is had carriage release lever 7, pushes away 8 rigid couplings in the top of carriage release lever 7, and the outside of rectangle frame 13 is provided with spacing part, and carriage release lever 7 can reciprocate in rectangle frame 13, and then to pushing away 8 highly the adjusting, is fit for the people of different heights and goes to use, and the flexibility is good.

The utility model discloses in, spacing part is including setting up in the screw of 13 one side outer walls of rectangle frame, and there is locating lever 14 in the inside of screw through threaded connection, adjusts suitable high back, screws locating lever 14, makes it extrude 7 and then carry on spacingly to its height that pushes away 8.

The utility model discloses in, one side outer wall that carriage release lever 7 is close to locating lever 14 is provided with locating hole 15 that the equidistance distributes, and locating lever 14 and locating hole 15 phase-match adjust suitable high back, with locating lever 14 screw in to the locating hole 15 of nearest point in, can be spacing to 7 stable of carriage release levers like this.

The utility model discloses in, push away the outside of 8 and cup jointed the handle cover 9 of rubber material, the outside of handle cover 9 is provided with anti-skidding line, improves the travelling comfort and the stability of handle.

The utility model discloses a theory of operation is:

when the working personnel use, can adjust pushing away the height of 8 according to own height, the carriage release lever 7 can reciprocate in rectangle frame 13 promptly, and then adjust pushing away the height of 8, adjust to suitable high back, screw locating lever 14 in locating hole 15 of nearest point, can be stable spacing to carriage release lever 7 like this, and then carry on spacingly to pushing away the height of 8, when promoting the handcart, safety cover 5 can prevent that the rainwater that tire 2 carried from taking place to splash, the splash of rainwater has been avoided leading to user's clothing to soak, second scraper blade 10 on the safety cover 5, can play a scraping effect to the sand on tire 2, and then keep the cleanliness of tire 2, can prevent that tire 2 silt too much from increasing the frictional force with ground, when meetting the strong sand of adhesion, or some sand are embedded into the sand of stone tire, if scraper blade 10 fixed mounting, can make scraper blade 10 or tire 2 extrude and cause the damage, and adopt elasticity installation such as torsional spring 11, then scraper blade 10 will rotate, through subsequent many scrapes the line scraper blade 10, can improve its life-span of scraping and use of scraping more 10.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a protector for handcart, includes hopper (1), its characterized in that, the pivot is all installed through the bearing to the both sides outer wall lower extreme of hopper (1), the fixed tire (2) that are provided with of one end of pivot, one side outer wall of hopper (1) is provided with symmetric distribution's push rod, the both sides outer wall of hopper (1) has the cover to locate the outside safety cover (5) of tire (2) through the mounting bracket rigid coupling, the both sides inner wall of safety cover (5) is connected with bull stick (12) that the equidistance distributes jointly through the bearing, the fixed scraper blade (10) that is provided with in outside middle-end of bull stick (12), the bottom of scraper blade (10) is provided with the arc wall with tire (2) adaptation, torsional spring (11) have all been cup jointed at the outside both ends of bull stick (12), the both ends of torsional spring (11) respectively with scraper blade (10) and safety cover (5) fixed connection.

2. The trolley guard according to claim 1, wherein the two sides of the outer wall of the bottom of the hopper (1) are both fixedly provided with legs (4), the bottom ends of the legs (4) are fixedly provided with anti-skidding blocks (3), and the anti-skidding blocks (3) are made of rubber.

3. A trolley guard according to claim 1, characterised in that the push rod comprises a fixing rod (6) fixed to one side of the outer wall of the hopper (1), and that one end of the fixing rod (6) is provided with a push handle (8) via an adjusting mechanism.

4. A trolley guard according to claim 3, characterised in that the adjustment mechanism comprises a rectangular frame (13) fixed to one end of the fixed bar (6), the movable bar (7) is inserted into the rectangular frame (13), the pushing handle (8) is fixed to the top end of the movable bar (7), and a position-limiting part is arranged outside the rectangular frame (13).

5. A trolley guard according to claim 4, characterised in that the limiting means comprise a screw hole in the outer wall of one side of the rectangular frame (13), inside of which a positioning rod (14) is screwed.

6. The trolley guard according to claim 5, wherein the outer wall of the side of the moving rod (7) close to the positioning rod (14) is provided with positioning holes (15) distributed at equal intervals, and the positioning rod (14) is matched with the positioning holes (15).

7. The trolley guard according to claim 6, wherein the handle grip (9) made of rubber is sleeved outside the handle grip (8), and the handle grip (9) is provided with anti-skid threads on the outside.