CN215567495U

CN215567495U - 360-degree drum brake disc

Info

Publication number: CN215567495U
Application number: CN202121467206.7U
Authority: CN
Inventors: 梁全芳; 廖斌华
Original assignee: Ningbo Shenji Vehicle Industry Co ltd
Current assignee: Ningbo Shenji Vehicle Industry Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-01-18
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a 360-degree drum brake disc, which comprises a base, a brake pad, a cylinder, a connecting shaft, a connecting cover, a cover shell, a limiting spring, a return spring, an annular spring, a rotating disc and a connecting arm, wherein the upper end of the base is provided with a ring, the ring is uniformly provided with a plurality of circular grooves, the circular grooves extend out of the inner side and the outer side of the ring, the cylinder is arranged in the circular grooves, the cylinder can move out of the inner side and the outer side of the ring, the middle part of the base is provided with a first cylinder, the middle part of the first cylinder is provided with a first circular hole, the first circular hole penetrates through the first cylinder and the base, the circumference of the first circular hole on the first cylinder is provided with a convex ring, the rotating disc is provided with a first cylinder, the first cylinder is internally provided with a second cylinder, the middle part of the first cylinder is provided with a second circular hole, the second circular hole penetrates through the second cylinder and the rotating disc, the outer side of the first cylinder is uniformly provided with a plurality of arc-shaped bulges, one end of each arc-shaped bulge is higher than the other end of the first cylinder, one end of the first cylinder is sleeved on the first cylinder, the second cylinder is matched with the convex ring, and the arc-shaped bulge is matched with the cylinder.

Description

360-degree drum brake disc

Technical Field

The utility model relates to the technical field of drum brake discs, in particular to a 360-degree drum brake disc.

Background

Drum brakes are a common braking mode for vehicles; the existing drum brake comprises a shell, two brake pads and a push block are arranged in the shell, the push block pushes the brake pads to move outwards to be attached to the shell, and friction is generated between the push block and the shell so as to facilitate the shell to stop rotating; the wheel will provide a radial force for the brake block after with the brake block contact, because brake block and ejector pad contact, radial force also can be acted on the ejector pad indirectly, current ejector pad only promotes the brake block at the tip and removes, and the brake block is at the lateral surface of keeping away from the ejector pad and probably not contact the wheel to lead to the area of contact undersize of brake block and wheel, the braking effect worsens, consequently designs 360 degrees drum brake discs to this kind of condition.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a 360-degree drum brake disc.

In order to solve the technical problems, the technical scheme provided by the utility model is that the drum brake disc with 360 degrees comprises the following steps: the brake pad comprises a base, a brake pad, a cylinder, a connecting shaft, a connecting cover, a cover shell, a limiting spring, a reset spring, an annular spring, a rotating disc and a connecting arm, wherein the upper end of the base is provided with a circular ring, the circular ring is uniformly provided with a plurality of circular grooves, the circular grooves extend out of the inner side and the outer side of the circular ring, the cylinder is arranged in the circular grooves, the cylinder can move out of the inner side and the outer side of the circular ring, the middle part of the base is provided with a first cylinder body, the middle part of the first cylinder body is provided with a first circular hole, the first circular hole penetrates through the first cylinder body and the base, the circumference of the first circular hole on the first cylinder body is provided with a convex ring, the rotating disc is provided with a first cylinder, the first cylinder is arranged in the first cylinder body, the middle part of the second cylinder body is provided with a second circular hole, the second circular hole penetrates through the second cylinder body and the rotating disc, the outer side of the first cylinder body is uniformly provided with a plurality of arc-shaped bulges, one end of each arc-shaped bulge is high and the other end is low, one end of the first cylinder is sleeved on the first cylinder, the second cylinder is matched with the convex ring, the arc-shaped protrusion is matched with the cylinder, the connecting shaft is arranged in the first round hole, the upper end of the connecting shaft is matched with the second round hole, the connecting cover is sleeved on the upper end of the connecting shaft, a notch is formed in the connecting cover, one end of the connecting arm penetrates through the notch to be connected with the rotating disc, a mounting groove is formed in the connecting cover, a connecting plate is arranged on the brake pad, the brake pad is connected with the mounting groove through the connecting plate, the brake pad is matched with the cylinder, a groove is formed in the brake pad, the annular spring is hooped on the groove, a plurality of clamping grooves are formed in the connecting cover, a limiting groove is formed in the connecting cover, a limiting column is arranged on the circular ring, a limiting groove extends out of the upper end of the limiting column, one end of the limiting spring is matched with the limiting column, and the other end of the limiting spring is matched with the limiting groove, one end of the reset spring is matched with the notch, the other end of the reset spring is connected with the connecting arm, and the cover shell is matched with the clamping groove.

As an improvement, the other end of the base is provided with a baffle plate, and the baffle plate is matched with the brake pad.

As an improvement, be equipped with the arc on the lid shell, be equipped with the limiting plate on the arc, connect lid and arc cooperation, limiting plate and draw-in groove cooperation.

As an improvement, a second cylinder is arranged on the cover shell, the cover shell extends out of two ends of the second cylinder, and the second cylinder is matched with the cover shell.

As an improvement, four mounting grooves are uniformly arranged on the connecting cover.

As an improvement, the cover shell is symmetrically provided with limiting parts, one end of each limiting part is provided with a connecting part, each connecting part extends out of the cover shell, and each connecting part is provided with a connecting hole.

As an improvement, one end of the connecting arm is provided with a U-shaped plate, a third round hole is formed in the U-shaped plate and penetrates through the U-shaped plate, and a notch is formed in the U-shaped plate.

As an improvement, the cover shell is provided with a notch, and the notch is matched with the connecting arm.

As an improvement, the number of the cylinders and the circular grooves is at least eight.

Compared with the prior art, the utility model has the advantages that: rotate through the linking arm and drive the rolling disc and rotate, arc arch on the first drum can rotate and support the cylinder and promote the cylinder to the ring outside on the rolling disc, the cylinder will support the brake block lateral shifting, at this moment four brake blocks just can all with the wheel contact, because every brake block is supported by two cylinders at least, whole brake block can both contact with the wheel like this, area of contact is bigger, it is effectual to brake, when loosening the linking arm, the linking arm can reset under reset spring's effect, and then drive the rolling disc gyration, at this moment the brake block will reset, the car just can walk, moreover, the steam generator is simple in structure, high durability and convenient use.

Drawings

FIG. 1 is a schematic view of a first structure of a 360 degree drum brake rotor of the present invention.

FIG. 2 is a second structural schematic diagram of the 360-degree drum brake disc of the present invention.

FIG. 3 is a third structural schematic diagram of the 360-degree drum brake disc of the present invention.

FIG. 4 is a fourth structural schematic diagram of the 360-degree drum brake disc of the present invention.

FIG. 5 is a fifth structural schematic diagram of the 360-degree drum brake disc of the present invention.

FIG. 6 is a sixth structural schematic diagram of the 360-degree drum brake disc of the utility model.

FIG. 7 is a seventh structural schematic diagram of the 360-degree drum brake disc of the present invention.

FIG. 8 is an eighth structural schematic diagram of the 360-degree drum brake disc of the present invention.

Fig. 9 is a cross-sectional view taken at a-a in fig. 1.

As shown in the figure: 1. the brake pad comprises a base, 2, a brake block, 3, a cylinder, 4, a connecting shaft, 5, a connecting cover, 6, a cover shell, 7, a limiting spring, 8, a reset spring, 9, an annular spring, 10, a rotating disc, 11, a connecting arm, 12, a ring, 13, a circular groove, 14, a first cylinder, 15, a first circular hole, 16, a convex ring, 17, a first cylinder, 18, a second cylinder, 19, a second circular hole, 20, an arc-shaped bulge, 21, a notch, 22, a mounting groove, 23, a connecting plate, 24, a groove, 25, a clamping groove, 26, a limiting groove, 27, a limiting column, 28, a baffle, 29, an arc-shaped plate, 30, a limiting plate, 31, a second cylinder, 32, a limiting part, 33, a connecting part, 34, a connecting hole, 35, a U-shaped plate, 36, a third circular hole, a notch, 38 and a notch.

Detailed Description

The 360-degree drum brake disc of the utility model is further described in detail with reference to the accompanying drawings.

With reference to the attached figures 1-9, a 360-degree drum brake disc comprises a base 1, a brake pad 2, a cylinder 3, a connecting shaft 4, a connecting cover 5, a cover shell 6, a limiting spring 7, a return spring 8, an annular spring 9, a rotating disc 10 and a connecting arm 11, wherein a circular ring 12 is arranged at the upper end of the base 1, a plurality of circular grooves 13 are uniformly arranged on the circular ring 12, the circular grooves 13 extend out of the inner side and the outer side of the circular ring 12, the cylinder 3 is arranged in the circular grooves 13, the cylinder 3 can move out of the inner side and the outer side of the circular ring 12, a first cylinder 14 is arranged in the middle of the base 1, a first round hole 15 is arranged in the middle of the first cylinder 14, the first round hole 15 penetrates through the first cylinder 14 and the base 1, a convex ring 16 is arranged on the circumference of the first round hole 15 on the first cylinder 14, a first cylinder 17 is arranged on the rotating disc 10, a second cylinder 18 is arranged in the first cylinder 17, the middle part of the second cylinder 18 is provided with a second round hole 19, the second round hole 19 penetrates through the second cylinder 18 and the rotating disc 10, the outer side of the first cylinder 17 is uniformly provided with a plurality of arc-shaped protrusions 20, one end of each arc-shaped protrusion 20 is high, the other end of each arc-shaped protrusion 20 is low, one end of the first cylinder 17 is sleeved on the first cylinder 14, the second cylinder 18 is matched with the convex ring 16, the arc-shaped protrusions 20 are matched with the cylinders 3, the connecting shaft 4 is arranged in the first round hole 15, the upper end of the connecting shaft 4 is provided with a part matched with the second round hole 19, the connecting cover 5 is sleeved on the upper end of the connecting shaft 4, the connecting cover 5 is provided with a notch 21, one end of the connecting arm 11 passes through the notch 21 to be connected with the rotating disc 10, the connecting cover 5 is provided with a mounting groove 22, the brake pad 2 is provided with a connecting plate 23, the brake pad 2 is matched with the cylinders 3 through the connecting plate 23 and the mounting groove 22, be equipped with recess 24 on the brake block 2, ring spring 9 hoop is on recess 24, be equipped with a plurality of draw-in grooves 25 on the connection lid 5, be equipped with spacing groove 26 on the connection lid 5, be equipped with spacing post 27 on the ring 12, spacing groove 26 is extended to spacing post 27 upper end, the one end and the spacing post 27 cooperation of spacing spring 7, spacing spring 7's the other end and the cooperation of spacing groove 26, reset spring 8's one end and the cooperation of notch 21, reset spring 8's the other end and linking arm 11 are connected, lid shell 6 and the cooperation of draw-in groove 25.

The other end of the base 1 is provided with a baffle 28, and the baffle 28 is matched with the brake pad 2.

The cover shell 6 is provided with an arc-shaped plate 29, the arc-shaped plate 29 is provided with a limiting plate 30, the connecting cover 5 is matched with the arc-shaped plate 29, and the limiting plate 30 is matched with the clamping groove 25.

The cover shell 6 is provided with a second cylinder 31, the two ends of the second cylinder 31 extend out of the cover shell 6, and the second cylinder 31 is matched with the cover shell 6.

Four mounting grooves 22 are uniformly arranged on the connecting cover 5.

The cover shell 6 is symmetrically provided with limiting parts 32, one end of the limiting part 32 is provided with a connecting part 33, the connecting part 33 extends out of the cover shell 6, and the connecting part 33 is provided with a connecting hole 34.

One end of the connecting arm 11 is provided with a U-shaped plate 35, the U-shaped plate 35 is provided with a third circular hole 36, the third circular hole 36 penetrates through the U-shaped plate 35, and the U-shaped plate 35 is provided with a notch 37.

The cover shell 6 is provided with a notch 38, and the notch 38 is matched with the connecting arm 11.

The quantity of the cylinders 3 and the circular grooves 13 is at least more than eight.

When the brake is implemented specifically, when the brake is used, the connecting arm 11 is rotated to drive the brake to rotate, the brake 10 rotates, the arc-shaped protrusions 20 on the first cylinder 17 on the rotating disc 10 rotate to abut against the cylinders 3 to push the cylinders 3 to the outer side of the ring 12, the cylinders 3 abut against the brake pads 2 to move outwards, at the moment, the four brake pads 2 can be in contact with wheels, at least more than eight cylinders 3 and at least eight circular grooves 13 are arranged, each brake pad 2 is abutted against at least two cylinders 3, so that the whole brake pad 2 can be in contact with the wheels, the contact area is large, the brake effect is good, when the connecting arm 11 is loosened, the connecting arm 11 can reset under the action of the reset spring 8, the rotating disc 10 is driven to rotate, at the moment, the brake pads 2 can reset, and the vehicle can walk, the structure is simple, and the use is convenient.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1.360 degree drum brake disc, its characterized in that: comprises a base (1), a brake block (2), a cylinder (3), a connecting shaft (4), a connecting cover (5), a cover shell (6), a limiting spring (7), a reset spring (8), an annular spring (9), a rotating disc (10) and a connecting arm (11), wherein a circular ring (12) is arranged at the upper end of the base (1), a plurality of circular grooves (13) are uniformly arranged on the circular ring (12), the circular grooves (13) extend out of the inner side and the outer side of the circular ring (12), the cylinder (3) is arranged in the circular grooves (13), the cylinder (3) can move out of the inner side and the outer side of the circular ring (12), a first cylinder (14) is arranged in the middle of the base (1), a first round hole (15) is arranged in the middle of the first cylinder (14), the first round hole (15) penetrates through the first cylinder (14) and the base (1), a convex ring (16) is arranged on the circumference of the first round hole (15) on the first cylinder (14), the novel rotary table is characterized in that a first cylinder (17) is arranged on the rotary table (10), a second cylinder (18) is arranged in the first cylinder (17), a second round hole (19) is formed in the middle of the second cylinder (18), the second round hole (19) penetrates through the second cylinder (18) and the rotary table (10), a plurality of arc-shaped bulges (20) are uniformly arranged on the outer side of the first cylinder (17), one ends of the arc-shaped bulges (20) are high, the other ends of the arc-shaped bulges (20) are low, one end of the first cylinder (17) is sleeved on the first cylinder (14), the second cylinder (18) is matched with the convex ring (16), the arc-shaped bulges (20) are matched with the cylinder (3), the connecting shaft (4) is arranged in the first round hole (15), the upper end of the connecting shaft (4) is matched with the second round hole (19), the connecting cover (5) is sleeved on the upper end of the connecting shaft (4), and a notch (21) is formed in the connecting cover (5), the one end of linking arm (11) is passed notch (21) and rolling disc (10) and is connected, be equipped with mounting groove (22) on connecting lid (5), be equipped with connecting plate (23) on brake block (2), brake block (2) are connected through connecting plate (23) and mounting groove (22), brake block (2) and cylinder (3) cooperation, be equipped with recess (24) on brake block (2), ring spring (9) hoop is on recess (24), be equipped with a plurality of draw-in grooves (25) on connecting lid (5), be equipped with spacing groove (26) on connecting lid (5), be equipped with spacing post (27) on ring (12), spacing groove (26) extend to spacing post (27) upper end, the one end and the spacing post (27) cooperation of spacing spring (7), the other end and the spacing groove (26) cooperation of spacing spring (7), one end of the reset spring (8) is matched with the notch (21), the other end of the reset spring (8) is connected with the connecting arm (11), and the cover shell (6) is matched with the clamping groove (25).

2. The 360 degree drum brake disc of claim 1, wherein: the other end of the base (1) is provided with a baffle (28), and the baffle (28) is matched with the brake pad (2).

3. The 360 degree drum brake disc of claim 1, wherein: be equipped with arc (29) on lid shell (6), be equipped with limiting plate (30) on arc (29), connect lid (5) and arc (29) cooperation, limiting plate (30) and draw-in groove (25) cooperation.

4. The 360 degree drum brake disc of claim 1, wherein: the cover shell (6) is provided with a second cylinder (31), the two ends of the second cylinder (31) extend out of the cover shell (6), and the second cylinder (31) is matched with the cover shell (6).

5. The 360 degree drum brake disc of claim 1, wherein: four mounting grooves (22) are uniformly formed in the connecting cover (5).

6. The 360 degree drum brake disc of claim 1, wherein: the utility model discloses a lid shell, including lid shell (6), spacing portion (32) are gone up the symmetry and are equipped with, one of them spacing portion (32) one end is equipped with connecting portion (33), connecting portion (33) extend lid shell (6), be equipped with connecting hole (34) on connecting portion (33).

7. The 360 degree drum brake disc of claim 1, wherein: the one end of linking arm (11) is equipped with U-shaped board (35), be equipped with third round hole (36) on U-shaped board (35), U-shaped board (35) are run through in third round hole (36), be equipped with breach (37) on U-shaped board (35).

8. The 360 degree drum brake disc of claim 1, wherein: the cover shell (6) is provided with a notch (38), and the notch (38) is matched with the connecting arm (11).

9. The 360 degree drum brake disc of claim 1, wherein: the number of the cylinders (3) and the circular grooves (13) is at least more than eight.