CN210822413U

CN210822413U - Shallow with dual-brake structure

Info

Publication number: CN210822413U
Application number: CN201920678572.3U
Authority: CN
Inventors: 顾兴锋; 葛银贵
Original assignee: Xingfeng Caster Jiangsu Co ltd
Current assignee: Xingfeng Caster Jiangsu Co ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-06-23
Anticipated expiration: 2029-05-13

Abstract

The utility model provides a shallow with dual-brake structure, including pushing away the driving license plate frame, it includes chassis and handrail, and the below on chassis is provided with the wheel, and handrail one side is provided with the push rod, and brake mechanism includes two at least brake parts, two at least elastomeric element and two at least floodgate lines, and brake part passes through elastomeric element fixed connection in the below on chassis, and the wheel face of wheel is pressed tightly under elastomeric element's drive to brake part's free end, and brake part still passes through the tip of floodgate line fixed connection push rod. The utility model discloses set up brake block on the wheel face of wheel, brake block compresses tightly the wheel face of wheel through elastomeric element, and the shallow is in the state of stopping under the condition that does not have external force promptly, thereby only need promote the push rod and pull brake block through the brake line from the wheel when needing to use the shallow, therefore, the utility model discloses compare in prior art make the shallow can realize opening in the push rod that passes through handrail one side and stop, and the brake principle is by the friction of brake block and wheel face to slowing down gradually to stopping, and buffering effect is good.

Description

Shallow with dual-brake structure

Technical Field

The invention relates to the field of carts, in particular to a cart with a double-brake structure.

Background

The cart is a transport vehicle which is manually pushed and pulled and is the ancestor of all vehicles. Although the material handling technology of the trolley is continuously developed, the trolley is still 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.

Common trammer in the market does not have the brake function, runs into the slope and easily landslide under the condition that no manpower supports, so a convenient brake structural design is needed to be installed on the trammer.

Disclosure of Invention

In view of the above, the wheel surface of the wheel is provided with the brake component, the brake component presses the wheel surface of the wheel through the elastic component, namely the cart is in a brake state under the condition of no external force, and only the push rod needs to be pushed to pull the brake component away from the wheel through the brake line when the cart is used.

The invention provides a trolley with a double-brake structure, which comprises a chassis and a handrail, wherein wheels are arranged below the chassis, a push rod is arranged on one side of the handrail, a brake mechanism comprises at least two brake parts, at least two elastic parts and at least two brake lines, the brake parts are fixedly connected below the chassis through the elastic parts, the free ends of the brake parts are driven by the elastic parts to press wheel surfaces of the wheels, and the brake parts are also fixedly connected with the end parts of the push rod through the brake lines.

According to the cart with the double-brake structure, the wheel surfaces of the wheels are provided with the brake parts, the brake parts tightly press the wheel surfaces of the wheels through the elastic parts, namely the cart is in a braking state under the condition of no external force, and when the cart needs to be used, only the push rod is pushed, so that the brake parts are pulled away from the wheels through the brake wire.

Therefore, compared with the prior art, the cart with the dual-brake structure of the present embodiment mainly has the following advantages:

1) the push rod is used for controlling the brake, so that the operation is more convenient and more labor-saving.

2) The buffering effect of brake is good, is favorable to keeping the balance of goods on the shallow.

3) The brake component is arranged under the push rod, and the brake component is short in linear distance and convenient to install.

Furthermore, a first mounting seat and a second mounting seat are fixedly mounted below the chassis, the first mounting seat is located between the first wheel and the chassis, and the second mounting seat is located between the second wheel and the chassis.

In the above-mentioned cart with a dual-brake structure, as a further solution, the mounting seat plays a role of fixing the brake component and the elastic component.

Further, the at least two brake elements include a first brake element and a second brake element, the at least two resilient elements include a first resilient element and a second resilient element, and the at least two brake cables include a first brake cable and a second brake cable.

In the above-mentioned shallow with dual brake structure, as a further and more specific scheme, use two brake parts and assorted elastic component and brake line to form the dual brake structure for two rear wheels of shallow can both have the brake action.

Furthermore, a first guide sleeve is arranged in the first mounting seat, the first brake component and the first elastic component are arranged in the first guide sleeve, a second guide sleeve is arranged in the second mounting seat, and the second brake component and the second elastic component are arranged in the second guide sleeve.

In the above-mentioned shallow with dual brake structure, as further scheme, the guide pin bushing plays the effect of leading positive elastic component and brake part.

Furthermore, a first through hole and a second through hole are formed in the chassis, the first brake cable penetrates through the first through hole, and the second brake cable penetrates through the second through hole.

In the above-mentioned shallow with dual brake structure, as further scheme, the required distance that the floodgate line passes through the through-hole and connects the push rod is the shortest, can save the cost of floodgate line on the one hand, and on the other hand reduces moment for it is more laborsaving when the push rod pushes to the handrail.

Furthermore, a third mounting seat and a fourth mounting seat are respectively sleeved on two side rods of the handrail, a first rotating shaft and a second rotating shaft penetrate through the third mounting seat, and the middle part of the first side rod of the push rod is rotatably sleeved on the first rotating shaft; wear to be equipped with third pivot and fourth pivot in the fourth mount pad, the middle part of the second side lever of push rod rotates to cup joint in the third pivot.

In the above-mentioned shallow with dual brake structure, as further scheme, the mount pad plays the effect of fixed pivot and push rod.

Furthermore, a first driving wheel is sleeved on the second rotating shaft, one end of the first brake cable is fixedly connected to the bottom of the first side rod of the push rod through the first driving wheel, a second driving wheel is sleeved on the fourth rotating shaft, and one end of the second brake cable is fixedly connected to the bottom of the second side rod of the push rod through the second driving wheel.

In the above-mentioned shallow with dual brake structure, as further scheme, the drive wheel plays the transmission effect of floodgate line, and when the push rod moved towards the handrail, the bottom of push rod drove the opposite direction motion of floodgate line towards the handrail, and the drive wheel plays the effect of changing floodgate line direction of motion at this moment, and it is more laborsaving also to reduce moment simultaneously.

Further, the brake component is of a cylinder structure.

In the above-mentioned shallow with dual brake structure, as further scheme, because the motion orbit of brake part is straight from top to bottom, the motion of cylinder in the guide pin bushing accords with this law the most.

Further, the end of the brake element is provided with a conical head.

In the above-mentioned cart with a dual-brake structure, as a further scheme, the circumference of the conical head is tightly attached to the wheel surface of the wheel to provide friction force to realize deceleration braking.

Further, the brake wires are all positioned in the third guide sleeve.

In the above-mentioned shallow with dual brake structure, as a further scheme, the effect that leads positive cover and protect the brake cable not worn out is played to leading positive brake cable.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural diagram of a cart having a dual-brake structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a cart having a dual-brake structure according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a cart having a dual-brake structure according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a cart having a dual-brake structure according to an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1-3, a cart with a dual-brake structure according to a first embodiment of the present invention is shown, which includes a cart frame, the cart frame includes a chassis 11 and a handrail 12, a wheel 13 is disposed below the chassis 11, a push rod 14 is disposed on one side of the handrail 12, the brake mechanism includes at least two brake components, at least two elastic components, and at least two brake cables, the brake components are fixedly connected below the chassis 11 through the elastic components, free ends of the brake components are driven by the elastic components to press against wheel faces of the wheel 13, and the brake components are also fixedly connected to ends of the push rod 14 through the brake cables.

A first mounting seat 111 and a second mounting seat 112 are fixedly mounted below the chassis 11, the first mounting seat 111 is located between the first wheel 31 and the chassis 11, the second mounting seat 112 is located between the second wheel 32 and the chassis 11, the at least two brake components include a first brake component 1 and a second brake component 2, the at least two elastic components include a first elastic component 1 and a second elastic component 2, the at least two brake lines include a first brake line 1 and a second brake line 2, a first guide sleeve 41 is arranged in the first mounting seat 111, the first brake component 1 and the first elastic component 1 are arranged in the first guide sleeve 41, a second guide sleeve 42 is arranged in the second mounting seat 112, the second brake component 2 and the second elastic component 2 are arranged in the second guide sleeve 42, a first through hole and a second through hole are formed in the chassis 11, the first brake line 1 is arranged in the first through hole, and the second brake line 2 is arranged in the second through hole.

A third mounting seat 121 and a fourth mounting seat 122 are respectively sleeved on two side rods of the armrest 12, a first rotating shaft 123 and a second rotating shaft 124 are arranged in the third mounting seat 121 in a penetrating manner, the middle part of a first side rod 141 of the push rod 14 is rotatably sleeved on the first rotating shaft 123, a third rotating shaft 125 and a fourth rotating shaft 126 are arranged in the fourth mounting seat 122 in a penetrating manner, and the middle part of a second side rod 142 of the push rod 14 is rotatably sleeved on the third rotating shaft 125; the second rotating shaft 124 is sleeved with a first driving wheel 127, one end of the first brake cable 1 is fixedly connected to the bottom of the first side rod 141 of the push rod 14 through the first driving wheel 127, the fourth rotating shaft 126 is sleeved with a second driving wheel 128, one end of the second brake cable 2 is fixedly connected to the bottom of the second side rod 142 of the push rod 14 through the second driving wheel 128, the brake component is a cylindrical structure with a conical head 213 at the end, and the brake cables are all positioned in the third guide sleeve.

Example two:

referring to fig. 4, in a cart having a dual brake structure according to a second embodiment of the present invention, the present embodiment further adopts the following technical solutions as improvements on the basis of the above embodiments: a first through hole is formed in the end part of the first side lever 141, a first lantern ring 5 penetrates through the first through hole, the first lantern ring 5 rotates by taking the first through hole as an axis, and one end of the first brake cable 1 is fixedly connected to the first lantern ring 5 through a first driving wheel 127; a second through hole is formed in the end of the second side bar 142, a second collar 6 penetrates through the second through hole, the second collar 6 rotates by taking the second through hole as an axis, and one end of the second brake cable 2 is fixedly connected to the second collar 6 through a second driving wheel 128. The lantern ring in this embodiment plays two roles, is convenient for the fixed of floodgate line on the one hand, and on the other hand makes the angle between floodgate line and the push rod have an adaptive effect for it is more laborsaving to promote the push rod.

Example three:

referring to fig. 1-3, a cart with a dual brake structure according to a third embodiment of the present invention is shown, and on the basis of the above embodiments, the present embodiment further provides the following technical solutions as improvements: all wheels 13 below the chassis 11 are provided with brake mechanisms, so that the braking time is shortened, and the braking is more sensitive.

Example four:

referring to fig. 1-3, a cart with a dual brake structure according to a third embodiment of the present invention is shown, and on the basis of the above embodiments, the present embodiment further provides the following technical solutions as improvements: the cylinder of arc wall is seted up to brake part use tip, and the size of the size matching wheel 13 wheel face of arc wall, and this embodiment can improve the lifting surface area between brake part and wheel 13 wheel face to improve frictional force, reduce the required time of stopping.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a shallow with dual brake structure which characterized in that includes:

the trolley frame (1) comprises a chassis (11) and a handrail (12), wheels (13) are arranged below the chassis (11), and a push rod (14) is arranged on one side of the handrail (12);

brake mechanism (2), it includes two at least brake parts (21), two at least elastic component (22) and two piece at least brake lines (23), brake part (21) pass through elastic component (22) fixed connection in the below of chassis (11), the free end of brake part (21) is in compress tightly under the drive of elastic component (22) the tread of wheel (13), brake part (21) still pass through brake line (23) fixed connection in the tip of push rod (14).

2. The cart with a dual brake structure according to claim 1, wherein a first mounting seat (111) and a second mounting seat (112) are fixedly mounted below the chassis (11), the first mounting seat (111) is located between a first wheel (31) and the chassis (11), and the second mounting seat (112) is located between a second wheel (32) and the chassis (11).

3. The stroller of claim 2, wherein the at least two brake members (21) comprise a first brake member (211) and a second brake member (212), the at least two resilient members (22) comprise a first resilient member (221) and a second resilient member (222), and the at least two brake cables (23) comprise a first brake cable (231) and a second brake cable (232).

4. The cart with the dual brake structure as claimed in claim 3, wherein a first guide sleeve (41) is disposed in the first mounting seat (111), the first brake component (211) and the first elastic component (221) are disposed in the first guide sleeve (41), a second guide sleeve (42) is disposed in the second mounting seat (112), and the second brake component (212) and the second elastic component (222) are disposed in the second guide sleeve (42).

5. The cart with the dual-brake structure as claimed in claim 3 or 4, wherein the chassis (11) is provided with a first through hole and a second through hole, the first brake cable (231) is inserted into the first through hole, and the second brake cable (232) is inserted into the second through hole.

6. The cart with the dual-brake structure as claimed in claim 5, wherein a third mounting seat (121) and a fourth mounting seat (122) are respectively sleeved on two side rods of the armrest (12), a first rotating shaft (123) and a second rotating shaft (124) are arranged in the third mounting seat (121) in a penetrating manner, and the middle part of the first side rod (141) of the push rod (14) is rotatably sleeved on the first rotating shaft (123); a third rotating shaft (125) and a fourth rotating shaft (126) are arranged in the fourth mounting seat (122) in a penetrating mode, and the middle of a second side rod (142) of the push rod (14) is rotatably sleeved on the third rotating shaft (125).

7. The cart with the double-brake structure as claimed in claim 6, wherein a first driving wheel (127) is sleeved on the second rotating shaft (124), one end of the first brake cable (231) is fixedly connected to the bottom of the first side rod (141) of the push rod (14) through the first driving wheel (127), a second driving wheel (128) is sleeved on the fourth rotating shaft (126), and one end of the second brake cable (232) is fixedly connected to the bottom of the second side rod (142) of the push rod (14) through the second driving wheel (128).

8. A stroller having a double brake configuration according to claim 1, wherein said brake member (21) is of a cylindrical configuration.

9. Cart with a double brake construction according to claim 8, characterized in that the brake elements (21) are provided with a conical head (213) at their ends.

10. A trolley with a double brake structure, according to claim 1, characterized in that said brake lines (23) are all positioned inside a third guide sleeve.