Diesel engine damping connecting sleeve

By introducing protective components into the diesel engine connecting sleeve, the problem of bolt corrosion was solved, achieving effective protection of the bolts, extending their service life, and reducing maintenance costs.

CN223609100UActive Publication Date: 2025-11-28ZHEJIANG XINCHAI
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Patent Information

Application Number
CN202520228082.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2025-11-28
Estimated Expiration
2035-02-13

AI Technical Summary

Technical Problem

The bolts of the existing diesel engine connecting sleeve are susceptible to corrosion, which leads to reduced connection strength and safety hazards, affecting the performance and reliability of the diesel engine.

Method used

A diesel engine shock-absorbing connecting sleeve including a connecting ring, a flange ring, and a protective component is designed. The protective component consists of a rotating ring, a fixed ring, a sliding rod, and a protective cover. The protective cover is expanded and retracted by rotating the rotating ring, covering the rotating part of the bolt to isolate corrosive substances.

Benefits of technology

It effectively protects bolts from corrosion, extends their service life, reduces failures and replacement costs, and keeps them easy to operate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a diesel engine shock absorption connecting sleeve which comprises a connecting ring, a flange ring and a protection assembly, the flange ring is fixedly connected to the left end of the outer side of the connecting ring, a plurality of installation holes are formed in the flange ring, and all the installation holes are evenly distributed in the flange ring with the central axis of the flange ring as the center. Screw parts of the bolts are inserted into the corresponding mounting holes, the left ends of the screw parts extend out of the left ends of the corresponding mounting holes, rotating parts of the bolts are located at the right end of the flange ring, and the protection assembly is mounted on the outer side of the connecting ring; when the bolt is used, the rotating part of the bolt can be covered, so that the bolt is not easily eroded by corrosive substances.
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Description

TECHNICAL FIELD

[0001] The utility model relates to diesel engine equipment technical field more specifically relates to a diesel engine damping connecting sleeve. BACKGROUND

[0002] In the operation process of diesel engine, the connecting sleeve as one of key components, bears the important role of connection, support and damping.

[0003] Chinese patent announcement number CN208040536U discloses a kind of diesel engine damping connecting sleeve, the connecting sleeve is connected in the outer side of diesel engine flywheel shell, including connecting ring and the connecting frame of being set at the same height of two sides of connecting ring;The flange edge of two end faces of the connecting ring is set, and the flange edge between two end faces is set reinforcing rib, and the flange edge on the end face connected with flywheel shell is set screw hole;The connecting frame includes the connecting plate fixed in the two sides of connecting ring and the connecting lug fixed in the outer side of connecting plate.The diesel engine damping connecting sleeve of it is connected with the outer side of flywheel shell, support leg is installed in the two sides of connecting ring, increase the distance between two support legs in front of diesel engine, simultaneously also increase the distance between two support legs in front of diesel engine and two support legs behind, improve the stability in the operation process of diesel engine, reduce the damage to diesel engine due to gravity instability and excessive vibration

[0004] However, the above-mentioned diesel engine connecting sleeve simply exposes the bolts to the external environment, which is easily eroded by corrosive substances such as salt mist, moisture, etc., thereby causing corrosion and damage to the bolts. The corrosion of the bolts not only reduces their connection strength, but also may cause safety hazards, affecting the overall performance and reliability of the diesel engine. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the defects of prior art, and provides a diesel engine damping connecting sleeve, which can cover the rotating part of the bolt during use, so that it is not easily eroded by corrosive substances.

[0006] The solution to the technical problem of the utility model is as follows:

[0007] A diesel engine damping connecting sleeve includes a connecting ring, a flange ring and a protection assembly. The flange ring is fixedly connected to the outer left end of the connecting ring. A plurality of mounting holes are formed in the flange ring, and all the mounting holes are uniformly distributed on the flange ring with the center axis of the flange ring as the center. The shank part of a bolt is inserted into the corresponding mounting hole, the left end of the shank part of the bolt extends out of the left end of the corresponding mounting hole, and the rotating part of the bolt is located at the right end of the flange ring. The protection assembly is installed on the outer side of the connecting ring.

[0008] The protection assembly comprises a rotating ring and a fixed ring, the fixed ring is located at the right side of the rotating ring, the rotating ring is rotationally connected to the outer side of the connecting ring, a plurality of through holes are formed in the rotating ring, a plurality of sliding rods are inserted into the corresponding through holes, the sliding rods correspond to the bolts, the left end of the sliding rod extends out of the left side wall of the rotating ring and is fixedly connected with the protection cover, the right end of the sliding rod extends out of the right side wall of the rotating ring and is fixed on the left end face of the fixed ring.

[0009] A plurality of second through holes are formed in the rotating ring, a plurality of driving rods are inserted into the corresponding second through holes, the left end of the driving rod extends out of the left end of the rotating ring, the right end of the driving rod extends out of the right side wall of the rotating ring and is fixedly connected with the fixed ring, and the flange ring is formed with through holes matched with the driving rods.

[0010] Further, a limiting groove is formed in the outer side wall of the connecting ring, the inner side of the rotating ring is inserted into the limiting groove and is rotationally connected to the connecting ring.

[0011] Further, all the second through holes in the rotating ring are uniformly arranged around the central axis of the rotating ring, the middle part of the left end of the driving rod is rotationally connected with a ball, and the left end of the ball is in contact with the right side wall of the flange ring.

[0012] Further, a reset spring is sleeved on the driving rod, and the two ends of the reset spring are fixedly connected with the rotating ring and the fixed ring respectively.

[0013] The prominent effect of the utility model is:

[0014] Compared with the prior art, the utility model discloses a protection assembly which is arranged on the flange ring, the protection assembly comprises a connecting ring, a rotating ring and a fixed ring, the fixed ring is located at the right side of the rotating ring, the rotating ring is rotationally connected to the outer side of the connecting ring, a plurality of through holes are formed in the rotating ring, a plurality of sliding rods are inserted into the corresponding through holes, the sliding rods correspond to the bolts, the left end of the sliding rod extends out of the left side wall of the rotating ring and is fixedly connected with the protection cover, the right end of the sliding rod extends out of the right side wall of the rotating ring and is fixed on the left end face of the fixed ring. ACCURATE DRAWINGS:

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the flange ring structure schematic diagram of the utility model;

[0017] Figure 3 It is the protection cover structure schematic diagram of the utility model and the bolt protection state;

[0018] Figure 4 It is the connecting ring and the protection assembly dismounting structure schematic diagram of the utility model;

[0019] Figure 5 It is protective component structure schematic view of the utility model.

[0020] Figure 6 It is A place amplification structure schematic view of the utility model.

[0021] The figure mark is:

[0022] 1, connecting ring; 101, limit groove;

[0023] 2, flange ring; 201, bolt; 202, through hole; 203, mounting hole;

[0024] 3, protective component; 301, rotating ring; 302, protective cover; 303, fixed ring; 304, connecting lug; 305, slide bar; 306, reset spring; 307, drive rod; 308, ball. Specific implementation:

[0025] Embodiment, see as Figures 1 to 6 The diesel engine damping connecting sleeve, including connecting ring 1, flange ring 2 and protective component 3, flange ring 2 is fixedly connected on the left end of the outside of connecting ring 1, flange ring 2 can be fixed in the left end of the outside of connecting ring 1 by clamping or welding mode;

[0026] A plurality of mounting holes 203 are formed on the flange ring 2, all mounting holes 203 are uniformly distributed on the flange ring 2 with the center axis of the flange ring 2 as center, the screw rod portion of bolt 201 is inserted into the corresponding mounting hole 203, the left end of the screw rod portion of bolt 201 extends out of the left end of the corresponding mounting hole 203, the rotating portion formed on the right end of bolt 201 is located at the right end of flange ring 2, and the protective component 3 is installed on the outside of connecting ring 1.

[0027] In this structure, the initial position of protective cover 302 is located on the side of the rotating portion of bolt 201, and is not on the same axis as shown in Figure 1 In this state, the left end of the screw rod portion of bolt 201 can be screwed on the connecting part of the diesel engine to fix flange ring 2 on the diesel engine, so that connecting ring 1 is installed.

[0028] Further, the protective component 3 includes rotating ring 301 and fixed ring 303, the fixed ring 303 is located on the right side of rotating ring 301, the rotating ring 301 is rotatably connected on the outside of connecting ring 1, a plurality of through holes are formed on the rotating ring 301, a plurality of slide bars 305 are inserted into the corresponding through holes, the slide bars 305 correspond to bolt 201, the left end of slide bar 305 extends out of the left side wall of rotating ring 301 and is fixedly connected with protective cover 302, the right end of slide bar 305 extends out of the right side wall of rotating ring 301 and is fixed on the left end face of fixed ring 303;

[0029] The rotating ring 301 has multiple second through holes formed therein, and multiple drive rods 307 are inserted into the corresponding second through holes. The left end of the drive rod 307 extends out of the left side of the rotating ring 301, and the right end of the drive rod 307 extends out of the right side wall of the rotating ring 301 and is fixedly connected to the fixing ring 303. The flange ring 2 has through holes 202 that are adapted to the drive rods 307.

[0030] like Figure 4 As shown, a limiting groove 101 is formed on the outer wall of the connecting ring 1. The inner part of the rotating ring 301 is inserted into the limiting groove 101 and rotatably connected to the connecting ring 1, so that the rotating ring 301 can rotate stably inside the limiting groove 101. During installation, the rotating ring 301 can be divided into two semi-rings, which are inserted into the limiting groove 101, and then the ends of the two semi-rings are welded and fixed to form a circular rotating ring 301 (the welding positions of the ends of the two semi-rings are not shown in the attached figure).

[0031] Furthermore, two connecting ears 304 are symmetrically provided on the outer side wall of the fixing ring 303. Specifically, the connecting ears 304 are symmetrically welded or formed on the front and rear parts of the outer side wall of the fixing ring 303.

[0032] All the second through holes on the rotating ring 301 are evenly distributed around the central axis of the rotating ring 301, and there are at least six second through holes. A ball bearing 308 is rotatably connected to the middle of the left end of the drive rod 307. Specifically, a concave hole is formed in the middle of the left end of the drive rod 307, and the ball bearing 308 is embedded in the concave hole, with part of it extending into the concave hole. The left end of the ball bearing 308 contacts the right side wall of the flange ring 2, so that when the rotating ring 301 rotates, the ball bearing 308 can move along the right side wall of the flange ring 2. Its contact area is small, friction is small, and rotation is convenient.

[0033] Furthermore, a return spring 306 is sleeved on the drive rod 307, and the two ends of the return spring 306 are fixedly connected to the rotating ring 301 and the fixed ring 303, respectively.

[0034] Each through hole 202 is located on the side adjacent to the corresponding mounting hole 203.

[0035] All slide rods 305 are connected by a retaining ring 303, and multiple sets of slide rods 305 can be controlled to slide simultaneously through the retaining ring 303.

[0036] The working principle and use process of the utility model are as follows: firstly, after the flange ring 2 and the connecting ring 1 are installed on the diesel engine through the bolt 201, two connecting ears 304 are held, then the rotating ring 301 is manually rotated, the ball 308 at one end of the driving rod 307 slides along the right side of the flange ring 2 along with the rotating ring 301 rotating along the limiting groove 101, at this time, the reset spring 306 is in the tensile state;

[0037] At this time, when the ball 308 slides to the corresponding through hole 202 of the flange ring 2, the fixing ring 303 is pulled to move left under the action of the reset spring 306, and the driving rod 307 is slidably inserted into the inside of the through hole 202, since the fixing ring 303 is fixedly connected with the plurality of slide rods 305, the slide rod 305 also slides left, driving the protective cover 302 to move left and cover the rotating part of the bolt 201, at this time, the left end surface of the protective cover 302 is pressed against the right end surface of the flange ring 2, realizing the pressing and covering, forming the effective protection of the bolt 201.

[0038] When it is needed to be opened, only the connecting ear 304 is held and the fixing ring 303 is pulled right, so that the driving rod 307 is pulled out of the corresponding through hole 202, then the rotating ring 301 is rotated, so that the ball 308 is pressed against the right side wall of the flange ring 2, and the protective cover 302 is separated from the rotating part of the corresponding bolt 201.

[0039] The protective cover 302 of the embodiment can cover the rotating part of the bolt 201 and tightly fit the right side of the flange ring 2, effectively isolating the corrosive substances such as salt mist, moisture and the like from the outside, thereby greatly prolonging the service life of the bolt 201, reducing the failure and replacement cost caused by corrosion, and the operation of the protection assembly 3 is very simple, the user only needs to hold the connecting ear 304 and manually rotate the rotating ring 301, so that the protective cover 302 can be easily unfolded and folded.

[0040] The above is only the preferred embodiment of the utility model, it should be pointed out that, for ordinary skilled person in the art, without departing from the technical principle of the utility model, a number of improvements and refinements can be made, these improvements and refinements should also be regarded as the protection range of the utility model.

Claims

1. A diesel engine damping connection sleeve comprising a connection ring (1), a flange ring (2) and a protection assembly (3), characterized in that: The flange ring (2) is fixedly connected to the outer left end of the connecting ring (1), a plurality of mounting holes (203) are formed on the flange ring (2), all the mounting holes (203) are uniformly distributed on the flange ring (2) with the center axis of the flange ring (2) as the center, the screw rod of the bolt (201) is inserted into the corresponding mounting hole (203), the left end of the bolt (201) extends out of the left end of the corresponding mounting hole (203), and the rotating part of the bolt (201) is located at the right end of the flange ring (2). The protection assembly (3) comprises a rotating ring (301) and a fixed ring (303), the fixed ring (303) is located at the right side of the rotating ring (301), the rotating ring (301) is rotatably connected to the outer side of the connecting ring (1), a plurality of through holes are formed on the rotating ring (301), a plurality of sliding rods (305) are inserted into the corresponding through holes, the sliding rods (305) correspond to the bolts (201), the left end of the sliding rod (305) extends out of the left side wall of the rotating ring (301) and is fixedly connected with a protective cover (302), and the right end of the sliding rod (305) extends out of the right side wall of the rotating ring (301) and is fixed to the left end face of the fixed ring (303).

2. A diesel engine damper coupling sleeve as claimed in claim 1, wherein: A plurality of second through holes are formed on the rotating ring (301), a plurality of driving rods (307) are inserted into the corresponding second through holes, the left end of the driving rod (307) extends out of the left end of the rotating ring (301), the right end of the driving rod (307) extends out of the right side wall of the rotating ring (301) and is fixedly connected with the fixed ring (303), and the flange ring (2) is formed with a through hole (202) matched with the driving rod (307).

3. The diesel engine damper coupling set forth in claim 1 wherein: A limiting groove (101) is formed on the outer side wall of the connecting ring (1), the inner side of the rotating ring (301) is inserted into the limiting groove (101) and is rotatably connected to the connecting ring (1).

4. The diesel engine damper coupling set of claim 1 wherein: Two connecting ears (304) are symmetrically arranged on the outer side wall of the fixed ring (303).

5. A diesel engine damper coupling set according to claim 2 wherein: All the second through holes on the rotating ring (301) are uniformly arranged with the center axis of the rotating ring (301) as the center, the middle part of the left end of the driving rod (307) is rotatably connected with a ball (308), and the left end of the ball (308) is in contact with the right side wall of the flange ring (2).

6. A diesel shock absorber coupling sleeve as defined in claim 2 wherein: A reset spring (306) is sleeved on the driving rod (307), and the two ends of the reset spring (306) are fixedly connected with the rotating ring (301) and the fixed ring (303) respectively.

7. A diesel shock absorber coupling sleeve as defined in claim 2 wherein: Each through hole (202) is close to one side of the corresponding mounting hole (203).

8. A diesel shock absorber coupling sleeve as defined in claim 4 wherein: The front and rear parts of the outer side wall of the fixed ring (303) are symmetrically welded or formed with the connecting ears (304).

Citation Information

Patent Citations

  • Diesel engine shock attenuation adapter sleeve

    CN208040536U