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CN-224214601-U - Universal joint dustproof sealing structure

CN224214601UCN 224214601 UCN224214601 UCN 224214601UCN-224214601-U

Abstract

The utility model relates to the technical field of universal joints, and discloses a universal joint which comprises a first corrugated pipe, wherein one end of the first corrugated pipe is fixedly connected with a first fixing ring, one side, far away from the first corrugated pipe, of the first fixing ring is provided with a second corrugated pipe, one end, close to the first corrugated pipe, of the second corrugated pipe is fixedly connected with a second fixing ring, a universal joint body is horizontally arranged in the first fixing ring, the inside of the second fixing ring is horizontally provided with another universal joint body, and a rotating rod is fixedly connected between the two universal joint bodies. The utility model can finish the dustproof treatment of the universal joint body, can prevent dust and sediment from entering the surface of the universal joint, can prolong the service life of the universal joint, can adjust the connection length of the first connecting ring and the second connecting ring according to the lengths of the first corrugated pipe and the second corrugated pipe, can well adapt to corrugated pipes with different lengths, and improves the practicability of the universal joint dustproof mechanism.

Inventors

  • FEI HUILIANG
  • ZHAO GUANGLIANG

Assignees

  • 苏州苏万传动技术有限公司

Dates

Publication Date
20260508
Application Date
20250612

Claims (7)

  1. 1. A universal joint dustproof sealing structure comprises a first corrugated pipe (1) and is characterized in that one end of the first corrugated pipe (1) is fixedly connected with a first fixing ring (2), one side, far away from the first corrugated pipe (1), of the first fixing ring (2) is provided with a second corrugated pipe (3), one end, close to the first corrugated pipe (1), of the second corrugated pipe (3) is fixedly connected with a second fixing ring (7), a universal joint body (11) is horizontally arranged inside the first fixing ring (2), another universal joint body (11) is horizontally arranged inside the second fixing ring (7), and a rotating rod (12) is fixedly connected between the two universal joint bodies (11).
  2. 2. The dustproof sealing structure of the universal joint is characterized in that four screws (5) are arranged on the outer circular wall surface of the first fixing ring (2), the four screws (5) are distributed in a circumferential mode, one ends of the four screws (5) are fixedly connected to one end outside a rotating rod (12) respectively, first nuts (4) are fixedly connected to the top ends of the four screws (5), second nuts (6) are connected to the four screws (5) in a threaded mode, and the four second nuts (6) are in contact with the first fixing ring (2).
  3. 3. The dustproof sealing structure of the universal joint is characterized in that four other screws (5) are arranged on the outer circular wall surface of the second fixing ring (7), the four screws (5) are distributed circumferentially, one ends of the four screws (5) are fixedly connected to one end outside a rotating rod (12) respectively, the top ends of the four screws (5) are fixedly connected with first nuts (4), the four screws (5) are connected with second nuts (6) in a threaded manner, and the four second nuts (6) are in contact with the second fixing ring (7).
  4. 4. The dustproof sealing structure of the universal joint according to claim 1, wherein a sleeve ring (8) is arranged between the first corrugated pipe (1) and the second corrugated pipe (3), sliding grooves (16) are formed in the top and the bottom of two ends of the sleeve ring (8), the four sliding grooves (16) are symmetrically distributed, and annular grooves (15) are formed in the two ends of the sleeve ring (8).
  5. 5. The dustproof sealing structure of the universal joint according to claim 1, wherein the first fixing ring (2) is provided with another annular groove (15) near one end of the lantern ring (8), first sliding strips (13) are respectively arranged on the upper side and the lower side of the lantern ring (8) near one end of the first corrugated pipe (1) in a sliding mode, the two first sliding strips (13) are respectively arranged on two sliding grooves (16) at the same end of the lantern ring (8) in a sliding mode, and the same first connecting ring (9) is fixedly connected between the two first sliding strips (13).
  6. 6. The dustproof sealing structure of the universal joint according to claim 5, wherein the second fixing ring (7) is provided with another annular groove (15) near one end of the lantern ring (8), second sliding strips (14) are respectively arranged on the upper side and the lower side of the lantern ring (8) near one end of the second corrugated pipe (3) in a sliding mode, the two second sliding strips (14) are respectively sliding on two sliding grooves (16) at the same end of the lantern ring (8), and the same second connecting ring (10) is fixedly connected between the two second sliding strips (14).
  7. 7. The dustproof sealing structure of the universal joint according to claim 6, wherein two ends of the first connecting ring (9) are respectively matched with two annular grooves (15), one end of the first connecting ring (9) slides in the sleeve ring (8), the other end of the first connecting ring (9) slides in one end of the first fixing ring (2), two ends of the second connecting ring (10) are respectively matched with the other two annular grooves (15), one end of the second connecting ring (10) slides in the sleeve ring (8), and the other end of the second connecting ring (10) slides in one end of the second fixing ring (7).

Description

Universal joint dustproof sealing structure Technical Field The utility model relates to the field of universal joints, in particular to a dustproof sealing structure of a universal joint. Background The universal joint is a part for realizing variable-angle power transmission, is used for changing the position of a transmission axis direction, is a joint part of a universal transmission device of an automobile driving system, and is an important component of transportation along with the development of social economy, the automobile is not separated from the universal joint in driving, the effect of the universal joint on the automobile driving is important, and the universal joint is also frequently applied to engineering machinery. The existing universal joint is sealed by a sealing ring to ensure that dust and sediment do not enter the inside of the universal joint, but after long-time vibration and high-load work, the sealing ring can enter the inside of the universal joint due to abrasion, so that the service life of the universal joint is reduced, and therefore, the universal joint dustproof sealing structure is provided for solving the problems. Disclosure of utility model The utility model provides a dustproof sealing structure of a universal joint In order to solve the problems, the utility model provides the following technical scheme: In this technical scheme, including first bellows, first bellows one end fixedly connected with first retainer plate, first retainer plate is kept away from first bellows one side and is installed the second bellows, second bellows is close to first bellows one end fixedly connected with second retainer plate, the inside horizontal installation of first retainer plate has the universal joint body, another universal joint body is installed to the inside horizontal installation of second retainer plate, two fixedly connected with bull stick between the universal joint body. In this technical scheme, four screws are installed to first retainer plate excircle wall, four the screw rod is circumference distribution, four screw rod one end is fixed connection respectively in the outside one end of bull stick, four equal fixedly connected with in screw rod top is first nut, four equal threaded connection has the second nut on the screw rod, four the second nut all contacts with first retainer plate. In this technical scheme, four other screws are installed to second retainer plate excircle wall, four the screw rod is circumference distribution, four screw rod one end respectively fixed connection in the outside one end of bull stick, four equal fixedly connected with in screw rod top is first nut, four equal threaded connection has the second nut on the screw rod, four the second nut all contacts with the second retainer plate. In this technical scheme, install the lantern ring between first bellows and the second bellows, the spout has all been seted up to the top and the bottom at lantern ring both ends, four the spout is the symmetric distribution, the ring channel has all been seted up at lantern ring both ends. In the technical scheme, another annular groove is formed in one end, close to the lantern ring, of the first fixing ring, first sliding strips are respectively arranged on the upper side and the lower side, close to one end of the first corrugated pipe, of the inner portion of the lantern ring in a sliding mode, the two first sliding strips respectively slide on two sliding grooves located at the same end of the lantern ring, and the two first connecting rings are fixedly connected between the two first sliding strips. In the technical scheme, the second retainer plate is close to collar one end and has offered another ring channel, the inside second bellows one end upper and lower both sides that is close to of collar all slide and have the second draw runner, two the second draw runner slides respectively on two spouts that are located the same one end of collar, two fixedly connected with is the same second connecting ring between the second draw runner. In this technical scheme, first bulge loop both ends respectively with two ring grooves looks adaptation therein, the one end of first bulge loop slides in the lantern ring is inside, the other end of first bulge loop slides in first retainer plate one end, second bulge loop both ends respectively with two other ring grooves looks adaptations, the one end of second bulge loop slides in the lantern ring is inside, the other end of second bulge loop slides in second retainer plate one end. Compared with the prior art, the utility model has at least the following beneficial effects: 1. Through the first corrugated pipe and the second corrugated pipe, a plurality of screws arranged on the outer circular wall surfaces of the first fixing ring and the second fixing ring can be contacted with four sides of the rotating rod, and then a plurality of second nuts are screwed until the nuts are contacted with the first