Novel rotary joint applied to brake device

Abstract

The utility model provides a novel rotary joint applied to a brake device, and belongs to the technical field of braking. The problem that in the prior art, air enters a hydraulic channel, and consequently braking efficiency is affected is solved. The novel rotary joint applied to the brake device comprises a rotary joint body, the rotary joint body is composed of a joint fixed ring and a joint movable ring, an annular groove is formed in the joint fixed ring and serves as a first hydraulic oil pipeline, and a second hydraulic oil pipeline communicated with the first hydraulic oil pipeline is arranged on the joint movable ring. A sealing structure is arranged on the connector moving ring and comprises a connecting piece, a movable piece, a sealing piece and a reset spring, an open groove is formed in the connector moving ring, a movable groove for the movable piece to move is formed in the upper end of the connecting piece, a protruding part is arranged in the second hydraulic oil pipeline, and an oil inlet for oil feeding is formed in the connector moving ring. And the joint fixed ring is provided with an oil outlet for discharging oil. The utility model has the advantage of long service life.

Description

TECHNICAL FIELD

[0001] The utility model belongs to brake technical field relates to a rotary joint, especially in a new type rotary joint applied to brake device. BACKGROUND

[0002] At present, the brake mode of bicycle includes pull line disc brake and hydraulic disc brake, the inside of hydraulic disc brake is by the expansion of hydraulic oil medium to push the operation of brake clamp, thereby making the brake play a role, pull line disc brake drives clamp system braking through steel wire link brake handle, most pull line disc brakes usually adopt single clamp floating braking brake, one side keeps stationary and the other side compresses, thereby tightening clamp gap, thereby rubbing disc brake.

[0003] In the prior art patent number CN202321031911.1, patent name is a kind of bicycle universal rotator and hydraulic brake device, it includes rotating shaft sleeve, the rotating shaft sleeve is movably sleeved on frame vertical pole, end cap is supported and sleeved on the rotating shaft sleeve, the end cap top is equipped with the ring that is sleeved on the frame vertical pole, the frame vertical pole is fixed with the movable ring of sleeved, the movable ring and the ring are rotatably connected, the movable ring and the ring are provided with sealed annular oil passage passage;The end cap and movable ring between, ring and movable ring between are equipped with friction lubrication structure, the movable ring is equipped with hydraulic oil inlet, the ring is equipped with hydraulic oil outlet, the hydraulic oil inlet and hydraulic oil outlet are all communicated with annular oil passage passage, the rotating shaft sleeve is equipped with the limiting structure that the ring is limited to rotate. Wherein the patent, air enters the hydraulic passage, thereby affecting the braking efficiency problem. SUMMARY

[0004] The utility model aims at the above -mentioned problem existing in prior art, provide a new type rotary joint of long service life and applied to brake device.

[0005] The utility model discloses a novel rotary joint applied to brake device, including rotary joint body, its characterized in that, the rotary joint body is composed of joint fixed ring and joint movable ring, the joint movable ring set up on joint fixed ring, and can rotate on joint fixed ring, be provided with ring groove on joint fixed ring, and the ring groove is hydraulic oil pipeline no.

[0006] In the above-mentioned novel rotary joint applied to brake device, the reset spring is sleeved on the movable piece, one end of the movable piece is connected with the sealing piece, the other end of the movable piece extends into the movable slot, and the movable piece moves in the movable slot under the action of the reset spring to seal the oil hole of the protruding part.

[0007] In the above-mentioned novel rotary joint applied to brake device, the joint movable ring is provided as a T-shaped structure.

[0008] In the above-mentioned novel rotary joint applied to brake device, a plurality of sealing rings are arranged between the joint movable ring and the joint fixed ring, the joint fixed ring is provided with installation grooves for installing the sealing rings, and the sealing rings are all rotary gaskets.

[0009] Compared with the prior art, the novel rotary joint applied to brake device is provided with a sealing structure at the hydraulic oil pipeline no. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the structure schematic diagram of the utility model.

[0011] Figure 2 It is the sectional structure schematic diagram of the utility model.

[0012] Figure 3 It is the explosion structure schematic diagram of the utility model.

[0013] In the figure, 1, rotary joint body; 2, joint fixed ring; 3, joint movable ring; 4, hydraulic oil pipeline one; 5, hydraulic oil pipeline two; 6, sealing structure; 7, connecting piece; 8, movable piece; 9, sealing piece; 10, reset spring; 11, movable slot; 12, protruding part; 13, sealing ring; 14, oil inlet; 15, oil outlet. DETAILED DESCRIPTION

[0014] The following is a specific embodiment of the present application and further describes the technical scheme of the present application in combination with the drawings, but the present application is not limited to these embodiments.

[0015] As shown in Figure 1 , Figure 2 , Figure 3 The novel rotary joint applied to the brake device, comprising a rotary joint body 1, the rotary joint body 1 is connected with an oil pump and a brake mechanism, the rotary joint body 1 is composed of a joint fixed ring 2 and a joint movable ring 3, the joint movable ring 3 is arranged on the joint fixed ring 2 and can rotate on the joint fixed ring 2, the joint fixed ring 2 is provided with a ring groove, and the ring groove is a hydraulic oil pipeline one 4, the hydraulic oil pipeline is located between two sealing rings 13, the joint movable ring 3 is provided with a hydraulic oil pipeline two 5 which is communicated with the hydraulic oil pipeline one 4, the joint movable ring 3 is provided with a sealing structure 6 at a position relative to the hydraulic oil pipeline two 5, the sealing structure 6 comprises a connecting piece 7, a movable piece 8, a sealing piece 9 and a reset spring 10, the joint movable ring 3 is provided with a slot for installing the connecting piece 7 and communicated with the hydraulic oil pipeline, the connecting piece 7 is provided with a movable slot 11 for the movable piece 8, the hydraulic oil pipeline two 5 is provided with a protruding part 12, the sealing piece 9 seals the oil passing hole of the protruding part 12, the joint movable ring 3 is provided with an oil inlet 14 for oil inlet, and the joint fixed ring 2 is provided with an oil outlet 15 for oil outlet.

[0016] Further, when the brake mechanism starts to operate, hydraulic oil enters from the oil inlet 14 and exerts pressure on the movable piece 8, so that the movable piece 8 drives the sealing piece 9 to move downward, the reset spring 10 is in a compressed state, and the oil passing hole is in a flowing state, then the hydraulic oil in the hydraulic oil pipeline two 5 flows into the hydraulic oil pipeline one 4 from the lower end of the hydraulic oil pipeline two 5 and flows out from the oil outlet 15, when the whole brake mechanism stops operating, the sealing piece 9 outside the protruding part 12 is not subjected to pressure, the reset spring 10 rebounds, and the sealing piece 9 reattaches to the protruding part 12, thereby sealing the oil passing hole of the protruding part 12, so as to avoid air entering the hydraulic oil pipeline one 4 and the hydraulic oil pipeline two 5.

[0017] Further, the reset spring 10 is sleeved on the movable part 8, one end of the movable part 8 is connected with the sealing part 9, the other end of the movable part 8 extends into the movable slot 11, and the movable part 8 moves in the movable slot 11 under the action of the reset spring 10 to seal the oil hole at the protruding part 12.

[0018] Further, the joint movable ring 3 is provided in a T-shaped structure as a whole, and one end extends into the joint fixed ring 2.

[0019] Further, a plurality of sealing rings 13 are arranged between the joint movable ring 3 and the joint fixed ring 2, the joint fixed ring 2 is provided with installation grooves for installing the sealing rings 13, and the sealing rings 13 are all rotating Glauber rings.

[0020] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways to replace, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0021] Although the terms such as the rotary joint body 1, the joint fixed ring 2, the joint movable ring 3, the hydraulic oil pipeline 1 4, the hydraulic oil pipeline 2 5, the sealing structure 6, the connecting part 7, the movable part 8, the sealing part 9, the reset spring 10, the movable slot 11, the protruding part 12, the sealing ring 13, the oil inlet 14, and the oil outlet 15 are used more frequently herein, the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the present application; any kind of additional limitation by interpreting them is contrary to the spirit of the present application.

Claims

1. A new type of rotary joint applied to a brake device, comprising a rotary joint body (1), characterized in that, The rotary joint body (1) is composed of a joint fixed ring (2) and a joint movable ring (3), the joint movable ring (3) is arranged on the joint fixed ring (2) and can rotate on the joint fixed ring (2), the joint fixed ring (2) is provided with a ring groove, which is a hydraulic oil pipeline I (4), the joint movable ring (3) is provided with a hydraulic oil pipeline II (5) which is connected with the hydraulic oil pipeline I (4), the joint movable ring (3) is provided with a sealing structure (6) at a position relative to the hydraulic oil pipeline II (5), the sealing structure (6) comprises a connecting piece (7), a movable piece (8), a sealing piece (9) and a reset spring (10), the joint movable ring (3) is provided with a groove for mounting the connecting piece (7) and connected with the hydraulic oil pipeline, the connecting piece (7) is provided with a movable groove (11) at the upper end for the movable piece (8), the hydraulic oil pipeline II (5) is provided with a protruding part (12), the sealing piece (9) seals the oil passing hole at the protruding part (12), the joint movable ring (3) is provided with an oil inlet (14) for oil inlet, and the joint fixed ring (2) is provided with an oil outlet (15) for oil outlet.

2. A novel rotary joint for application in a brake device as claimed in claim 1, wherein, The reset spring (10) is sleeved on the movable piece (8), one end of the movable piece (8) is connected with the sealing piece (9), the other end of the movable piece (8) extends into the movable groove (11) and moves in the movable groove (11) under the action of the reset spring (10) to seal the oil passing hole at the protruding part (12).

3. A novel rotary joint for application in a brake device as claimed in claim 1, wherein, The joint movable ring (3) is provided in a T-shaped structure as a whole.

4. A novel rotary joint for use in a brake device as claimed in claim 1, wherein The joint movable ring (3) and the joint fixed ring (2) are provided with a plurality of sealing rings (13), the joint fixed ring (2) is provided with a mounting groove for mounting the sealing ring (13), and the sealing ring (13) is a rotating Gley ring.

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