WO2014172808A1

WO2014172808A1 - Tool vehicle

Info

Publication number: WO2014172808A1
Application number: PCT/CN2013/000730
Authority: WO
Inventors: 潘金方
Original assignee: 江苏林杰锯成金属制品有限公司
Priority date: 2013-04-26
Filing date: 2013-06-24
Publication date: 2014-10-30
Also published as: CN103231357A

Abstract

A tool vehicle comprises a box and trundles (2). A brake apparatus is disposed on the trundle (2). A handle (1) is disposed on the box. The handle (1) is in linkage with the brake apparatus of the trundle (2) by using a transmission mechanism. The tool vehicle is in a braking state without an external force, and if a downward pressure is applied, the braking of the tool vehicle is removed, so that the tool vehicle can travel conveniently by using a push or a pull. The advantages are as follows: a humanization design is performed according to a habit of a user, so that the tool vehicle is better in controllability, and is safer. During work, the user can conveniently push and brake the tool vehicle; and practical functions such as a plastic protection cover, a push and pull sliding cover and a back automatic lift tool hanging plate, so that the product is more practical and easier to maintain.

Description

Tool cart

Technical field

The invention relates to a tool box, in particular a tool cart.

Background technique

The toolbox, as the name implies, is a container that is a container for storage tools. It is divided into mobile and fixed.

The mobile toolbox is also called the tool cart. The tool cart is suitable for the fixed management of tools, tools and parts in the production site, so that your item access work is truly punctual, accurate, efficient and low-cost.

The Chinese patent, the application number is "200520045972.9", the utility model named "a tool cart with a lifting tool hanging plate box", which has a family patent "CN20052045972U", discloses a new lifting type tool cart, It is mainly composed of a box car and a hanging box. The box car is composed of a frame and a box body. The main body of the frame is in the form of a frame structure, and a retractable hanging board box is arranged on the back side, and the main body of the hanging board box is in the shape of a drawer. The left and right slots are provided with a side frame of a drawer seat rail and a limit buckle, and a drawer with a plurality of tool hanging holes, and the price reduction/locking mechanism mainly comprises a left and right locking plate, a left and right compression spring, an intermediate gas spring member, The left and right brake wire ropes, the left and right limit members and the control handle with the rotating piece are formed. When used, the common tool can be hung on the hanging box, which has many advantages such as intuitive, convenient and spare tools, which is beneficial to improve work efficiency.

Chinese patent, application number "200620123176.7", a utility model patent named "Tool Cart", discloses a tool cart, which is mainly composed of 6 large blocks, including a main frame block and a table block disposed above the main frame block. , the caster block disposed under the main frame block, and the drawer block disposed inside the main frame block, the protection block attached to the left and right sides of the main frame block and the left and right sides of the main frame block, and the accessories above the work block The block includes a drawer, a slide rail fixed to one side of the drawer, and a partition is disposed in the drawer, the partition partitioning the internal space of the drawer into at least two spaces. The drawer of the tool cart of the utility model is provided with a partition plate dividing the internal space of each drawer into a plurality of partitions, and the articles can be placed in a drawer separately for facilitating the user to take; the drawer of the tool cart is adopted. The double-locking form avoids the accidental opening of the drawer and prevents the contents of the drawer from falling therefrom. In addition, the tool cart is provided with other accessories that can expand its functions, which is beneficial to the full use of the tool cart.

Chinese patent, application number "201110389317.5", an application for the name of "a tool cart", discloses a tool cart, including a vehicle body and a backboard, characterized in that the back of the vehicle body is provided with a receiving cavity, the receiving cavity Slide rails are arranged on both sides, and the top pillars are fixedly arranged on both sides of the back panel, and the top pillars are slidably matched with the slide rails; the advantage is that the backrest of the vehicle body is provided with a receiving cavity, and the top pillars on the backboard are slidably matched with the sliding rails. When packaging, the backboard can be received in the receiving cavity, which facilitates the packaging and transportation of the tool cart, and also prevents the backboard from being damaged; and the top pillar is provided with a locking mechanism, and when used, the backboard is pulled up And then, the back plate is fixed to the vehicle body by the locking mechanism, which is convenient and practical; and since the front end of the locking tongue of the locking mechanism is provided with a downwardly inclined slope, the locking tongue automatically disengages from the locking hole during the upward pulling process. Go back to the lock body without pulling the lock by hand.

However, these tool carts still have the following shortcomings in actual use:

1. Braking is inconvenient. For the convenience of steering, the tool cart generally uses universal casters. However, because the metal tools are stored in the box, and the number is relatively large, the inertia of the whole box is very high. When going up and down, Especially difficult to control, if it is troublesome to get off the hand, if you hit someone, the consequences are even more unimaginable; in order to solve this problem, the prior art will install the brake device on the caster, but since the caster can rotate, the caster can be activated through the foot. The brake device on the upper side is very inconvenient; moreover, since the universal caster can rotate arbitrarily, the universal caster often shrinks under the carriage during the movement of the tool cart. At this time, to activate the brake device of the caster, it is necessary to Turn the caster out first to start the brake device. It is extremely inconvenient.

2. Inconvenient maintenance, for the convenience of manufacture, the box of the tool cart is usually a one-piece structure. Once a problem occurs, the entire box is often replaced, or even the entire box. This is very uneconomical and is not conducive to recycling.

3. It is easy to bump, because the inertia of the car is large, and the casing is relatively thin. Once it is subjected to impact, it is easily deformed, which will affect the switch of the tool drawer in the box and cause malfunction.

In order to solve the above problem, it is necessary to improve the tool cart. Summary of the invention

The object of the present invention is to provide a tool cart in which the handle and the caster brake mechanism are linked to each other. In the normal state, the tool cart is fixed and cannot be moved, thereby greatly improving the safety of the tool cart. It will bring security risks because of human negligence.

The technical solution adopted by the present invention is as follows:

A tool cart includes a box body and a caster, wherein: the caster is provided with a braking device, and the box body is provided with a handle, and the handle is linked with the braking device of the caster through the transmission mechanism, and no external force Under the action, the tool cart is in the braking state, applying a pressure to the handle, and the tool cart is released from the brake, which is convenient for push-pull walking. Under normal conditions, the casters are in the braking state, and the whole tool car is stably stopped in place; when the pressure is artificially applied to the handle, the handles are opened by the transmission mechanism, and the casters can be freely rotated. The tool cart moves freely; after the pressure on the handle is released, the tool cart resumes braking.

Further, the box body is a frame structure, including a base and a top cover, and the base and the top cover are fixedly connected by a column.

Further, the fixed connection is a screw or bolt connection. The connection of screws or bolts makes the whole frame structure easy to disassemble and repair, and also facilitates recycling and reuse after scrapping. Increased resource utilization.

Further, the outer side of the base and the top cover are covered with a collision avoidance apron. By providing a bumper apron, direct contact between the cabinet and the hard object can be avoided, causing damage to the entire tool cart and cushioning the accidental collision process.

Further, the top cover is provided with a slot, and the slot is a slide plate, and one end of the slide plate is movably connected to the box body through a tie rod mechanism.

Further, the base, the top cover and the pillar protrude outside the casing cavity.

Further, the box body is provided with a cavity for accommodating the drawer, and a plurality of compartments are disposed inside. The drawer has a self-locking device that is not easy to slide out, ensuring safe use; the multi-layer drawer can store more tools.

Further, the braking device is a lever mechanism, one end of the lever is fixed by an elastic member, and the other end is a brake pad pressed against the caster. The elastic member exerts a force, and the brake pad of the other end is pressed tightly on the caster by the action of the lever, so that the normally lower caster cannot rotate. The elastic member may be a spring or a spring piece.

Further, the handle is a movable handle, and the movable handle is connected with the box by a lever. One end of the lever is a grip portion, and the other end is connected with a transmission device. The handle has a U-shaped structure, and the fulcrum of the lever is a pin-hole matching structure.

Further, a limit block is arranged at a position above and below the fulcrum of the movable handle lever, and the function of the limit block is to limit the range of motion of the handle movement. Avoid excessive movement of the handle, which will cause inconvenience to the operation and affect the use.

Further, the transmission mechanism is a steel wire. The movable handle and the caster brake are connected by steel wire, which is cheap and intuitive, and can be well adapted to the position of the caster. As long as the pulley is provided at the direction of the change of the wire, the whole transmission mechanism is very simple, easy to handle, overhaul. .

Further, a lifting plate is further disposed on the back of the box, and the hanging plate is installed in the box through the lifting mechanism. Inside the vertical slot of the body. The lifting mechanism is controlled by the button, and the button is lifted by the button, and the lifting plate is lifted from the slot; the button is pushed down and the lifting plate is retracted into the slot.

In summary, due to the adoption of the above technical solutions, the beneficial effects of the present invention are:

1. According to the habits of the user of the tool cart, the human design is designed, and the linkage between the handle and the caster brake device makes the tool cart better and safer. The user can easily push and brake the tool cart during work.

2. The anti-collision apron is provided to improve the impact resistance of the tool cart. Moreover, the shrinking of the cabinet in the inside of the column avoids the deformation of the fragile coaming plate and causes damage.

3. The detachable frame structure improves the convenience of inspection and repair of the tool cart. At the same time, it also provides more possibilities for recycling and recycling after scrapping.

4. Set the push-pull slide to make the product more practical and easy to overhaul. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a diagram of a tool cart of the present invention. 2 is a structural view showing the deployment of the tool cart skateboard of the present invention. Figure 3 is a top plan view of the tool cart of the present invention. 4 is a perspective view of a BB cross-sectional view. Figure 5 is a plan view taken along line BB. Figure 6 is a partial enlarged view of X. Figure 7 is a partial enlarged view of y. Marked in the figure: 1 is the handle, 1-1 is the support shaft, 2 is the caster, 2-1 is the spring, 2-2 is the brake shaft, 2-3 is the brake pad, 3 is the base, 4 is the top cover, 5 is the column, 6 is the skateboard, 7 is the drawbar, 8 For the drawer, 9 is the compartment, 10 is the steel wire, and 1 1 is the hanging plate. DETAILED DESCRIPTION OF THE INVENTION The present invention will be described in detail below with reference to the accompanying drawings. The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

As shown in FIG. 1-7, a tool cart includes a box body and a caster 2, the box body is a quadrangular prism body, and the caster 2 is mounted on the four legs of the box body, and the handle body 1 is provided on the box body. The handle 1 has a U-shaped structure, and the support shaft 1-1 is disposed on two sides perpendicular to the same plane on the upper end of the U-shaped structure, and the handle 1 is mounted on the box body through the support shaft 1-1, and the handle 1 can surround the support shaft 1 -1 rotation, a limit block is arranged on the upper and lower sides of the support shaft 1-1 to prevent the handle from having no force point; the end of the U-shaped structure of the handle 1 is connected to the brake device on the caster 2 through the steel wire 10; It is also a lever structure fixed to the bracket of the caster 2 by the brake shaft 2-2. One end of the lever is fixedly connected to the bracket of the caster 2 by the spring 2-1, and the other end is pressed by the brake pad 2-3. On the caster 2, the back surface of the brake pad 2-3 is connected to the handle 1 through a steel wire 10; normally, due to the action of the brake device, the spring 2-1 applies a pressure to the caster 2 through the brake lever, so that the caster 2 is at Being braked, can't move; when pressing the handle 1 by hand, put 1 by the action of the lever 10 will pull steel wires, steel wires 10 connected to the brake pad is pulled away from 2-3 casters 2, thereby releasing the braking force casters 2, 2 can rotate freely caster.

The beneficial effects of the embodiment are: according to the habit of the user of the tool cart, the human body design is carried out, and the handle 1 and the braking device of the caster 2 are interlocked, so that the handling of the tool cart is better and safer. The user can easily push and brake the tool cart during work. Example 2:

On the basis of the embodiment 1, the box body is a frame structure, which comprises a base 3, a top cover 4, and the base 3 and the top cover 4 are fixedly connected by a column 5, and the fixed connection is bolted; The three sides of the body are sealed by a gusset plate, and a plurality of compartments 9 are arranged inside the box body, and the drawer 8 is placed on the compartment 9.

The beneficial effects of this embodiment are: a frame-type easy-to-remove tool cart, which facilitates maintenance and repair and waste recycling and reuse. Example 3:

On the basis of the embodiment 2, the base 3, the top cover 4, and the column 5 protrude outside the gusset plate and the drawer panel, and a plastic apron is sleeved on the outer side of the base 3 and the top cover 4.

The beneficial effects of the embodiment are: protecting the structure of the box, avoiding scratches and bumps caused by direct contact between the box and the outside; and providing the impact resistance of the base 3 and the top cover 4. Example 4:

On the basis of the second embodiment, a slot is formed in the top cover 4, and a slide plate 6 is disposed in the slot. The slide plate 6 is hinged to one end of the pull rod 7; the other end of the pull rod 7 is hinged to the base 3; and the pull rod 7 is provided with a limit. The card point, when the lever 7 is extended to the set distance, the limit button will pop up the fixed lever 7.

The utility model has the beneficial effects that the tool in the top layer tool box can be directly taken after the slide plate 6 is pulled out, and the drawer 8 is prevented from being pulled, and the slide plate 6 is matched with the pull rod mechanism. Tools for easy access. Example 5

Claims

Claim

A tool cart comprising a box body and a caster (2), characterized in that: the caster (2) is provided with a brake device, and the box body is provided with a handle (1), the handle (1) Through the transmission mechanism and the brake device of the caster (2), the tool cart is in the braking state without external force, and a pressure is applied to the handle (1), and the tool cart is released from the brake to facilitate the push-pull operation.

2. The tool cart according to claim 1, wherein the box body is a frame structure comprising a base (3) and a top cover (4), between the base (3) and the top cover (4) The connection is fixed by means of a column (5) which is screwed or bolted.

3. The tool cart according to claim 2, characterized in that the outer side of the base (3) and the top cover (4) are covered with a crash apron.

4. The tool cart according to claim 2, wherein the top cover (4) is provided with a slot, and the slot has a slide plate (6), and one end of the slide plate (6) is movably connected to the case through the tie rod mechanism. .

5. A tool cart according to claim 2, wherein said base (3X top cover (4) and upright (5) protrude beyond the housing cavity.

6. The tool cart according to claim 1, wherein the box body is provided with a cavity for accommodating the drawer (8), and a plurality of compartments are arranged inside (9)>

7. The tool cart according to claim 1, wherein the brake device is a lever mechanism, one end of the lever is fixed by an elastic member, and the other end is a brake pad pressed against the caster (2).

8. The tool cart according to claim 1, wherein the handle (1) is a movable handle, and the handle (1) is connected to the box by a lever. One end of the lever is a grip portion, and the other end is Then connect the transmission.

9. The tool cart according to claim 8, wherein a limit block is provided at an upper and lower position of the fulcrum of the handle structure of the handle (1).

10. The tool cart according to claim 8, wherein said transmission is a steel wire (10 >>