Anti-loosening mechanism for hatch cover

The anti-loosening mechanism, consisting of a frame support base and telescopic device, solves the problem of hatch cover instability caused by the easy loosening of high-pressure springs, thus achieving stable fixing of the hatch cover and improving safety.

CN223559814UActive Publication Date: 2025-11-18扬州海翼船舶工程有限公司
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Patent Information

Application Number
CN202423062478.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-18
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

The high-pressure springs of existing ship hatch covers are prone to fatigue and loosening, resulting in unstable hatch cover fixation and affecting safety.

Method used

The anti-loosening mechanism, consisting of a frame support base, positioning socket, movable groove, rotating shaft, movable ring, and telescopic device, achieves stable fixation of the hatch cover through the cooperation of manual rotating wheel and control plate.

Benefits of technology

It improves the stability and safety of the hatch cover, reduces the risk of loosening due to vibration, and ensures that the hatch cover remains stable in harsh environments.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223559814U_ABST
Patent Text Reader

Abstract

The utility model provides a hatch cover locking mechanism which comprises a frame body, one side of the frame body is fixedly connected with a supporting base, the inner wall of the supporting base is provided with a plurality of positioning insertion openings, one side of the supporting base is provided with a first connecting base, the first connecting base is fixedly connected with a hinge, the other end of the hinge is connected with a second connecting base, and the second connecting base is provided with a plurality of positioning insertion openings. The second connecting seat is connected with the hatch cover, a plurality of movable grooves are formed in the peripheral wall of the hatch cover, a rotating shaft is fixedly installed in the hatch cover, a movable ring is fixedly connected to the rotating shaft, a plurality of movable rods are fixedly connected to the movable ring, and the movable rods are correspondingly installed in the movable grooves; a plurality of movable rods are arranged on the outer wall of the hatch cover, the movable rods are connected with a rotating ring, the rotating ring is fixedly connected to the outer wall of the hatch cover, a plurality of movable blocks are arranged on the rotating ring, and the movable blocks and the positioning inserting openings are in an assembling relation, so that the hatch cover can be conveniently and rapidly fixed, and it is ensured that the hatch cover can be kept in a stable state even in a severe environment.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of arc correcting machine, especially to hatch cover anti-loose mechanism. BACKGROUND

[0002] The main role of the hatch cover of the ship is to protect the goods inside the ship cabin from the influence of the external environment, and in adverse weather conditions, they can also provide additional structural strength to protect the ship body from damage, and the hatch cover is a key component to ensure the safety of goods, maintain the quality of goods and protect the integrity of the ship structure.

[0003] Now there is a kind of large ship hatch cover in Chinese patent document, including hatch cover body, the hatch cover body bottom hinged hatch cylinder inlet, the hatch cylinder inlet inner wall is provided with four evenly distributed clamping grooves, the hatch cover body axle center is provided with the driving traction shaft, the utility model discloses a driving traction shaft is rotated and drives the rotation of first gear, to mesh the rotation of second gear, make second gear mesh transmission rack, the directional movement of plug-in rod is passed through the sliding sleeve on the limiting slide rod, so that the plug-in rod is inserted or pulled out of the clamping groove, can quickly open and close hatch cover body, and high pressure spring is arranged, high pressure spring is in the extension state under normal conditions, effectively the hatch cover body is clamped and fixed, and the stress is uniform, stable, and the bearing strength is high, the sealing ring is placed in the sealing groove, when closing hatch cover body, cooperate hatch cover body extrusion effect, the closure sealing property is good.

[0004] But the above patent has certain defects when using, because high pressure spring fatigue relaxation appears for a long time, because the directional movement of plug-in rod is passed through the sliding sleeve on the limiting slide rod, high pressure spring relaxation leads to hatch cover fixation instability, can cause the hatch cover to appear tiny displacement, leads to hatch cover fixation failure, influences safety.

[0005] Therefore, the hatch cover anti-loose mechanism is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] In order to overcome the deficiencies of the prior art, the utility model provides a hatch cover anti-loose mechanism.

[0007] The utility model adopts the following technical scheme:

[0008] The frame body is fixedly connected with the supporting base on one side, a plurality of positioning sockets are arranged on the inner wall of the supporting base, a first connecting seat is arranged on one side of the supporting base, the first connecting seat is fixedly connected with a hinge, the other end of the hinge is connected with a second connecting seat, and the second connecting seat is connected with the hatch cover.

[0009] The hatch cover is provided with a plurality of movable grooves on the peripheral wall, and a rotating shaft is fixedly installed in the hatch cover, a movable ring is fixedly connected to the rotating shaft, a plurality of movable rods are fixedly connected to the movable ring, the plurality of movable rods are installed in the plurality of movable grooves, and a rotating ring is connected to the plurality of movable rods and fixedly connected to the outer wall of the hatch cover, the rotating ring is provided with a plurality of movable blocks, and the plurality of movable blocks are in an assembly relationship with a plurality of positioning sockets.

[0010] As a preferred scheme of the utility model, the plurality of positioning sockets are provided with a plurality of installation grooves on one side, and the plurality of installation grooves are each provided with a recovery groove on one side, a telescopic device is fixedly installed in the installation groove, a telescopic limiting block is fixedly connected to the telescopic device, and the telescopic limiting block is located in the recovery groove.

[0011] As a preferred scheme of the utility model, the plurality of telescopic limiting blocks are provided with a plurality of springs on one side, and the plurality of springs are fixedly connected with a pressing plate.

[0012] As a preferred scheme of the utility model, the rotating shaft is provided with two manual rotating wheels, the two manual rotating wheels are fixedly installed at both ends of the rotating shaft, and the two manual rotating wheels are located on the front and back surfaces of the hatch cover.

[0013] As a preferred scheme of the utility model, the hatch cover is provided with two control panels, the two control panels are fixedly connected to the front and back surfaces of the hatch cover, and the control panels are located on one side of the manual rotating wheels.

[0014] As a preferred scheme of the utility model, the two control panels are electrically connected with the plurality of telescopic devices.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The hatch cover is provided with a movable ring and a movable rod fixedly installed on the built-in rotating shaft, in actual use, the plurality of movable blocks on the rotating ring are aligned with the plurality of positioning sockets on the inner wall of the support base, when the movable blocks reach the bottom of the positioning sockets, the rotating shaft is rotated by the manual rotating wheel, the rotating shaft drives the movable ring, the linkage of the plurality of movable rods on the movable shaft moves in the movable groove, when the movable rod is moved to the end of the movable groove, the plurality of movable blocks are locked by the positioning sockets at the same time, the telescopic limiting block fixedly connected to the telescopic device moves from the recovery groove to the outside of the plurality of positioning sockets by starting the telescopic device through the control panel, and the pressing plate fastens the movable blocks in the positioning sockets under the action of the spring, so that the stable fixation of the hatch cover is realized.

[0017] 2. The control panel and the manual rotating wheel are arranged on the front and back surfaces of the hatch cover, so that the operation is more convenient, in actual use, the hatch cover can be easily opened and closed by the cooperation of the control panel and the manual rotating wheel, and the work efficiency and safety are greatly improved.

[0018] 3. In the telescopic device, the telescopic limiting block fastens the movable block in the positioning socket, a plurality of springs are arranged on one side of the contact surface between the telescopic limiting block and the movable block, the pressing plate and the springs provide additional buffering and adaptability when the movable block is fixed, effectively absorb external force when shaking, reduce the risk of loosening caused by vibration, and ensure that the hatch cover can remain stable even in harsh environments. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the structure diagram of the hatch cover of the utility model;

[0020] Figure 2 is the structure diagram of the support base of the utility model;

[0021] Figure 3 is the explosion diagram of the utility model;

[0022] Figure 4 is the structure diagram of the positioning socket of the utility model;

[0023] Figure 5 is the structure diagram of the telescopic device of the utility model;

[0024] In the drawing: 1, frame body; 2, support base; 3, hatch cover; 4, rotating shaft; 5, manual rotating wheel; 6, movable rod; 7, rotating ring; 8, movable block; 9, movable slot; 10, positioning socket; 11, mounting groove; 12, recycling groove; 13, telescopic device; 14, telescopic limiting block; 15, spring; 16, pressing plate; 17, control panel; 18, first connecting seat; 19, second connecting seat; 20, hinge; 21, movable ring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Embodiment:

[0027] Please refer to Figures 1-5 , the hatch cover anti-loose mechanism comprises:

[0028] The frame body 1 is fixedly connected with the support base 2 on one side, a plurality of positioning sockets 10 are arranged on the inner wall of the support base 2, the support base 2 is provided with a first connecting seat 18 on one side, the first connecting seat 18 is fixedly connected with a hinge 20, the other end of the hinge 20 is connected with a second connecting seat 19, and the second connecting seat 19 is connected with the hatch cover 3.

[0029] The hatch cover 3 peripheral wall is provided with a plurality of movable grooves 9, and the hatch cover 3 is fixedly installed with a rotating shaft 4, the rotating shaft 4 is fixedly connected with a movable ring 21, the movable ring 21 is fixedly connected with a plurality of movable rods 6, the plurality of movable rods 6 are all installed in the plurality of movable grooves 9, and the plurality of movable rods 6 are connected with a rotating ring 7, and the rotating ring 7 is fixedly connected to the outer wall of the hatch cover 3, the rotating ring 7 is provided with a plurality of movable blocks 8, and the plurality of movable blocks 8 are in an assembly relationship with a plurality of positioning sockets 10.

[0030] In the embodiment, the frame body 1 is fixedly connected with a support base 2 on one side, the support base 2 is used for receiving and fixing the hatch cover 3, a plurality of positioning sockets 10 are arranged on the inner wall of the support base 2, and a first connecting seat 18 is arranged on one side of the support base 2, the first connecting seat 18 is connected with a second connecting seat 19 through a hinge 20, a flexible rotating mechanism is formed, the hatch cover 3 can realize convenient opening and closing action, a rotating shaft 4 is arranged in the hatch cover 3, a movable ring 21 is fixedly connected to the rotating shaft 4, a plurality of movable rods 6 are fixedly connected to the movable ring 21, the plurality of movable rods 6 slide in movable grooves 9 and are connected with a rotating ring 7, a plurality of movable blocks 8 are arranged on the rotating ring 7, and the hatch cover 3 and the positioning socket 10 are accurately positioned through linkage of the movable rod 6 and the rotating ring 7.

[0031] Specifically, a plurality of installation grooves 11 are arranged on one side of the plurality of positioning sockets 10, a recovery groove 12 is arranged on one side of each of the plurality of installation grooves 11, a telescopic device 13 is fixedly installed in the installation groove 11, and a telescopic limiting block 14 is fixedly connected to the telescopic device 13 and located in the recovery groove 12.

[0032] In the embodiment, a plurality of installation grooves 11 are arranged on one side of the plurality of positioning sockets 10, a recovery groove 12 is arranged on one side of each of the plurality of installation grooves 11, a telescopic device 13 is installed in the installation groove 11, and the telescopic device 13 can adjust the telescopic limiting block 14.

[0033] Specifically, a plurality of springs 15 are arranged on one side of the plurality of telescopic limiting blocks 14, and the plurality of springs 15 are fixedly connected with a pressing plate 16.

[0034] In the embodiment, a plurality of springs 15 are arranged on one side of the contact surface between the telescopic limiting block 14 and the movable block 8, and the plurality of springs 15 are connected with a pressing plate 16, so that the pressing plate 16 and the spring 15 provide additional buffering and adaptability, can effectively absorb external force when shaking, and reduce the risk of loosening caused by vibration.

[0035] Specific, the rotating shaft 4 is equipped with two manual rotating wheels 5, the two manual rotating wheels 5 are fixedly installed at the both ends of rotating shaft 4, and the two manual rotating wheels 5 are located on the front and back of hatch cover 3.

[0036] In the embodiment, the two manual rotating wheels 5 are convenient for the operator to manually open and close, and the two manual rotating wheels 5 can be rotated from the front and back to drive the movable ring 21 to displace, so that the hatch cover 3 is quickly opened and closed.

[0037] Specific, the hatch cover 3 is equipped with two control panels 17, the two control panels 17 are fixedly connected on the front and back of hatch cover 3, and the control panels 17 are located on one side of the manual rotating wheels 5.

[0038] In the embodiment, the two control panels 17 are arranged on the front and back of hatch cover 3, so that the operator can fix the hatch cover 3 by the keys on the control panels 17.

[0039] Specific, the two control panels 17 are electrically connected with the plurality of telescopic devices 13.

[0040] In the embodiment, the control panel 17 can control the telescopic state of the telescopic limiting block 14 fixedly installed on the telescopic device 13, when the hatch cover 3 is opened, the telescopic limiting block 14 is in standby in the recycling groove 12, when the hatch cover 3 is closed by the plurality of positioning sockets 10 and the plurality of movable blocks 8, the telescopic device 13 is started by the control panel 17, and the telescopic limiting block 14 is extended in the recycling groove 12 and clamped into the positioning socket 10.

[0041] The principle of the utility model is: the operator fixes the hatch cover 3 in the plurality of positioning sockets 10 in the support base 2 through the hinge 20, when the hatch cover 3 reaches the end of the positioning socket 10, the rotating shaft 4 is rotated by the manual rotating wheel 5, the rotating shaft 4 drives the movable ring 21 and the movable rod 6 to displace in the limiting groove, when the movable rod 6 is displaced to the end of the movable groove 9, the plurality of movable blocks 8 are locked by the positioning socket 10, then the telescopic device 13 is started by the control panel 17, the telescopic limiting block 14 is extended in the recycling groove 12 and clamped into the positioning socket 10, and the movable block 8 is fastened in the positioning socket 10 by the pressing plate 16 under the action of the spring 15, so that the hatch cover 3 is stably fixed.

[0042] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the improvement concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A hatch cover anti-loose mechanism, characterized in that, Include: Frame, one side of the frame is fixedly connected with a support base, a plurality of positioning sockets are arranged on the inner wall of the support base, a first connecting seat is arranged on one side of the support base, a hinge is fixedly connected to the first connecting seat, a second connecting seat is connected to the other end of the hinge, and the second connecting seat is connected with a hatch cover; A plurality of movable grooves are arranged on the peripheral wall of the hatch cover, a rotating shaft is fixedly installed in the hatch cover, a movable ring is fixedly connected to the rotating shaft, a plurality of movable rods are fixedly connected to the movable ring, the plurality of movable rods are installed in the plurality of movable grooves, a rotating ring is connected to the plurality of movable rods, the rotating ring is fixedly connected to the outer wall of the hatch cover, a plurality of movable blocks are arranged on the rotating ring, and the plurality of movable blocks are in an assembly relationship with the plurality of positioning sockets.

2. The hatch cover anti-unlatching mechanism according to claim 1, characterized in that: A plurality of installation grooves are arranged on one side of the plurality of positioning sockets, a recovery groove is arranged on one side of each of the plurality of installation grooves, a telescopic device is fixedly installed in the installation groove, a telescopic limiting block is fixedly connected to the telescopic device, and the telescopic limiting block is located in the recovery groove.

3. The hatch cover anti-unlatching mechanism according to claim 2, characterized in that: A plurality of springs are arranged on one side of the plurality of telescopic limiting blocks, and the plurality of springs are fixedly connected with a pressing plate.

4. The hatch cover anti-unlatching mechanism according to claim 3, characterized in that: Two manual rotating wheels are arranged on the rotating shaft, the two manual rotating wheels are fixedly installed at both ends of the rotating shaft, and the two manual rotating wheels are located on the front and back surfaces of the hatch cover.

5. The hatch cover anti-unlatching mechanism according to claim 4, characterized in that: Two control boards are arranged on the hatch cover, the two control boards are fixedly connected to the front and back surfaces of the hatch cover, and the control boards are located on one side of the manual rotating wheels.

6. The hatch cover anti-unlatching mechanism according to claim 5, characterized in that: The two control boards are electrically connected with the plurality of telescopic devices.