Turnover opening and closing type small hatch cover

By designing a support component in the small hatch cover, providing support limits for the hatch cover body, the problem that the existing small hatch cover is easily closed automatically due to external forces after opening, and the effect of stable opening of the hatch cover is achieved.

CN222905808UActive Publication Date: 2025-05-27JIANGYAN ZHONGYUAN SHIPPING MASCH MFG CO LTD
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Patent Information

Application Number
CN202421932033.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-05-27
Estimated Expiration
2034-08-12

AI Technical Summary

Technical Problem

The existing small hatch lacks support devices after opening, which is prone to automatic closing due to external forces, resulting in sudden closing and inconvenient opening.

Method used

A small flip-open-close hatch is designed, and a support assembly includes a mounting block, a support rod, a support sleeve, a positioning block, a positioning bolt and a nut. It is connected to the support rod by a support spring, extends between the positioning blocks, and is fixed by a positioning bolt, a positioning hole and a nut to provide support limits for the hatch body.

Benefits of technology

Effectively prevent the hatch body from automatically closing due to accidental contact or external force, ensuring that the hatch can remain stable and easy to open and use.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222905808U_ABST
    Figure CN222905808U_ABST
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Abstract

The utility model discloses a turnover opening and closing type small hatch cover which comprises a hatch top plate, a mounting groove is formed in the hatch top plate, a hatch cover body is arranged at the top of the mounting groove, a supporting assembly is arranged at the top of the hatch cover body, and a fastening assembly is arranged at the bottom of the hatch cover body and close to the mounting groove. According to the turnover opening and closing type small hatch cover, the supporting assembly is arranged, after the hatch cover body is opened, the supporting sleeve is pulled, the interior of the supporting sleeve is connected with the supporting rod through the supporting spring, the supporting sleeve extends to the position between the two positioning blocks, and the supporting sleeve is fixed through the positioning bolt, the positioning hole and the nut, so that the hatch cover body can be supported and limited easily; and the technical problems that most of existing small hatch covers are opened and closed in an overturning mode, but after the small hatch covers are opened, a device for supporting the hatch covers is lacked, the hatch covers are prone to being automatically closed under external force, and the hatch covers are not convenient to open due to sudden closing are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of hatch covers, in particular to a flip - type small hatch cover. Background Technique

[0002] Small hatch covers are generally installed near the cargo passage, lifting opening, and vertical shaft on a ship to cover the hatch opening and protect the goods and passage inside the hatch from the damage of wind and waves. Most of the existing small hatch covers adopt flip - type opening and closing. However, after the small hatch cover is opened, there is a lack of a device for supporting the hatch cover, and the hatch cover is prone to automatically close under external force. Suddenly closing is not convenient for opening. In view of the above problems, we have introduced a flip - type small hatch cover. Content of the Utility Model

[0003] The utility model discloses a flip - type small hatch cover, aiming to solve the technical problem that most of the existing small hatch covers adopt flip - type opening and closing. However, after the small hatch cover is opened, there is a lack of a device for supporting the hatch cover, and the hatch cover is prone to automatically close under external force. Suddenly closing is not convenient for opening.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] The flip - type small hatch cover includes a hatch top plate. An installation groove is formed inside the hatch top plate. A hatch cover body is arranged at the top of the installation groove. A support assembly is arranged at the top of the hatch cover body. A fastening assembly is arranged at the bottom of the hatch cover body and near the installation groove. The support assembly includes installation blocks. The installation blocks are symmetrically and fixedly installed at the top of the hatch cover body. A support rod is rotatably connected between the two installation blocks. A support sleeve is arranged on the outer side of the support rod. Positioning blocks are symmetrically and fixedly installed at the top of the hatch top plate. A positioning hole is formed on one side of the support sleeve close to the positioning block. The two support sleeves are fixed between the two positioning blocks through positioning bolts and positioning holes.

[0006] By setting the support assembly, after the hatch cover body is opened, by pulling the support sleeve, the inside of the support sleeve is connected to the support rod through a support spring. The support sleeve is extended between the two positioning blocks and fixed through positioning bolts, positioning holes and nuts, which is beneficial to support and limit the hatch cover body, preventing the hatch cover body from being accidentally touched and closed, and solving the technical problem that most of the existing small hatch covers adopt flip - type opening and closing. However, after the small hatch cover is opened, there is a lack of a device for supporting the hatch cover, and the hatch cover is prone to automatically close under external force. Suddenly closing is not convenient for opening.

[0007] In a preferred embodiment, the fastening assembly includes a support block fixedly installed at the bottom of the hatch cover body. On both sides inside the support block, sliding grooves are symmetrically formed. Inside the sliding grooves, fastening blocks are symmetrically and slidably connected. On both sides of the installation groove and close to the fastening blocks, fastening grooves are symmetrically formed. Inside the support block, a bidirectional lead screw is rotationally connected through an adjustment assembly. At one end of each of the two fastening blocks close to the bidirectional lead screw, a threaded groove is formed. The two ends of the bidirectional lead screw respectively extend between the two threaded grooves and are threadedly connected to the threaded grooves.

[0008] When covering the installation groove by covering the hatch cover body on the top of the hatch roof, through the provided fastening assembly, the adjustment assembly drives the bidirectional lead screw to rotate, and then drives the two fastening blocks to move into the fastening grooves respectively, which is beneficial to strengthening the shielding of the hatch cover body for the installation groove; when rotating the bidirectional lead screw to drive the two fastening blocks to leave the inside of the fastening grooves, it is convenient to open the hatch cover body. At the same time, after the hatch cover body is opened, driving the two fastening blocks to leave the inside of the sliding grooves by rotating the bidirectional lead screw is beneficial to the partition, preventing the hatch cover body from extending into the installation groove.

[0009] In a preferred embodiment, the adjustment assembly includes an adjustment groove formed in the middle inside the support block. On the outer side of the bidirectional lead screw and located inside the adjustment groove, a worm gear is fixedly installed. Inside the adjustment groove and on one side close to the worm gear, a worm is connected through a motor. The worm is meshed with the worm gear.

[0010] By providing the adjustment assembly, a machine groove for fixing the motor is correspondingly formed on one side of the hatch cover body close to the adjustment groove, which is convenient for the motor to drive the worm to rotate, and then drive the bidirectional lead screw to rotate through the worm gear, making the use more convenient.

[0011] In a preferred embodiment, a rotation groove is formed on the top of the hatch roof and on one side close to the hatch cover body. On one side of the hatch cover body close to the rotation groove, a rotation block is fixedly installed. The rotation block extends into the rotation groove and is connected through a rotating shaft. A fixing groove is formed on the top of the hatch roof and on one side far from the rotation groove. On one side of the hatch cover body close to the fixing groove, a fixing block is fixedly installed.

[0012] By setting the fixing block to extend into the fixing groove and be fixed through a buckle, the operation is more convenient.

[0013] In a preferred embodiment, on both sides of the fastening block, limit blocks are symmetrically and fixedly installed. Inside the sliding groove and close to the limit blocks, limit grooves are formed. The limit blocks extend into the limit grooves and are slidably connected to the limit grooves.

[0014] By setting the limit blocks to extend into the limit grooves and be slidably connected to the limit grooves, it is beneficial to strengthening the stability of the movement of the two fastening blocks.

[0015] In a preferred embodiment, limiting plates are symmetrically and fixedly installed on both sides of the support sleeve at the top of the hatch cover body. A retaining bar is rotatably connected to the top of one of the limiting plates, and the retaining bar is fixed to the other limiting plate by bolts.

[0016] By providing the limiting plates and the retaining bar, it is beneficial to limit the support sleeve when the hatch cover body is placed on the top of the hatch top plate.

[0017] In a preferred embodiment, a handle is fixedly installed on one side of the top of the hatch cover body, and indicator lights are symmetrically and fixedly installed on the top of the hatch cover body.

[0018] By providing the handle, it is convenient to lift the hatch cover body.

[0019] The flip-open and close small hatch cover provided by the present utility model has the following advantages:

[0020] First, by providing the support assembly, after the hatch cover body is opened, by pulling the support sleeve, the inside of the support sleeve is connected to the support rod through the support spring. The support sleeve is extended between the two positioning blocks and fixed by the positioning bolt, positioning hole and nut, which is beneficial to support and limit the hatch cover body, preventing the hatch cover body from being accidentally touched and closed, and solving the technical problem that most of the existing small hatch covers use flip-open and close, but after the small hatch cover is opened, there is a lack of a device for supporting the hatch cover, and the hatch cover is easily automatically closed by external force and is not easy to open suddenly when it is suddenly closed. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a right-side perspective schematic view of the flip-open and close small hatch cover proposed by the present utility model.

[0022] Figure 2 is a left-side perspective schematic view of the flip-open and close small hatch cover proposed by the present utility model.

[0023] Figure 3 is a cross-sectional schematic view of the flip-open and close small hatch cover proposed by the present utility model.

[0024] Figure 4 is Figure 3 an enlarged view of part A in

[0025] In the attached drawings: 1. Cabin top plate; 11. Installation groove; 12. Rotation groove; 13. Fixing groove; 2. Cabin cover main body; 21. Handle; 22. Rotating block; 23. Fixing block; 3. Support assembly; 31. Installation block; 32. Support rod; 33. Support sleeve; 34. Positioning block; 35. Positioning bolt; 36. Positioning hole; 37. Limiting plate; 38. Stop bar; 4. Fastening assembly; 41. Support block; 42. Slide groove; 43. Fastening block; 44. Fastening groove; 45. Bi-directional lead screw; 46. Thread groove; 47. Adjustment assembly; 471. Adjustment groove; 472. Worm gear; 473. Worm; 48. Limiting groove; 49. Limiting block; 5. Indicator light. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Usually, the components of the embodiments of the present application described and marked in the accompanying drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application claimed, but only represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0027] The flip-open and close small cabin cover disclosed by the present utility model is mainly applied to the scenario of limiting and supporting after the small cabin cover is opened.

[0028] Referring to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the flip-open and close small cabin cover includes: a cabin top plate 1, an installation groove 11 is opened inside the cabin top plate 1, a cabin cover main body 2 is arranged on the top of the installation groove 11, a support assembly 3 is arranged on the top of the cabin cover main body 2, a fastening assembly 4 is arranged at the bottom of the cabin cover main body 2 and close to the installation groove 11. The support assembly 3 includes installation blocks 31, the installation blocks 31 are symmetrically and fixedly installed on the top of the cabin cover main body 2, a support rod 32 is rotatably connected between the two installation blocks 31, a support sleeve 33 is arranged on the outer side of the support rod 32, positioning blocks 34 are symmetrically and fixedly installed on the top of the cabin top plate 1, a positioning hole 36 is opened on one side of the support sleeve 33 close to the positioning block 34, and the two support sleeves 33 are fixed between the two positioning blocks 34 through positioning bolts 35 and the positioning holes 36.

[0029] Among them, a rotating groove 12 is formed on the top of the cabin roof plate 1 and on one side close to the cabin cover body 2. A rotating block 22 is fixedly installed on one side of the cabin cover body 2 close to the rotating groove 12. The rotating block 22 extends into the rotating groove 12 and is connected by a rotating shaft. A fixing groove 13 is formed on the top of the cabin roof plate 1 and on the side far from the rotating groove 12. A fixing block 23 is fixedly installed on one side of the cabin cover body 2 close to the fixing groove 13; by setting the fixing block 23 to extend into the fixing groove 13 and be fixed by a lock, the operation is more convenient.

[0030] Among them, limiting plates 37 are symmetrically and fixedly installed on both sides of the support sleeve 33 on the top of the cabin cover body 2. A blocking strip 38 is rotatably connected to the top of one of the limiting plates 37, and the blocking strip 38 is fixed to the other limiting plate 37 by bolts; by setting the limiting plates 37 and the blocking strip 38, it is beneficial to limit the support sleeve 33 when the cabin cover body 2 covers the top of the cabin roof plate 1.

[0031] Among them, a handle 21 is fixedly installed on one side of the top of the cabin cover body 2, and indicator lights 5 are symmetrically and fixedly installed on the top of the cabin cover body 2; by setting the handle 21, it is convenient to lift the cabin cover body 2.

[0032] In this embodiment: by setting the support assembly 3, after the cabin cover body 2 is opened, by pulling the support sleeve 33, the inside of the support sleeve 33 is connected to the support rod 32 through a support spring. The support sleeve 33 is extended between the two positioning blocks 34 and fixed by a positioning bolt 35, a positioning hole 36 and a nut, which is beneficial to support and limit the cabin cover body 2, preventing the cabin cover body 2 from being accidentally touched and causing the cabin cover body 2 to close, and solving the technical problem that most existing small cabin covers use flipping opening and closing, but after the small cabin cover is opened, there is a lack of a device for supporting the cabin cover, and the cabin cover is prone to automatically closing under external force, and it is not convenient to open when suddenly closed.

[0033] In the above technical solution, considering the problem of strengthening the reinforcement between the cabin cover body 2 and the installation groove 11, to solve such problems, the specific operation is as follows:

[0034] Refer to Figure 2 and Figure 3 , in a preferred embodiment, the fastening assembly 4 includes a support block 41. The support block 41 is fixedly installed at the bottom of the cabin cover body 2. Two sliding grooves 42 are symmetrically formed on both sides inside the support block 41. Fastening blocks 43 are symmetrically and slidably connected inside the sliding grooves 42. Fastening grooves 44 are symmetrically formed on both sides of the installation groove 11 and close to the fastening blocks 43. A bidirectional lead screw 45 is rotatably connected inside the support block 41 through an adjusting assembly 47. Thread grooves 46 are formed at one ends of the two fastening blocks 43 close to the bidirectional lead screw 45. Both ends of the bidirectional lead screw 45 extend between the two thread grooves 46 and are threadedly connected to the thread grooves 46;

[0035] Among them, the adjusting component 47 includes an adjusting groove 471. The adjusting groove 471 is opened in the middle inside the support block 41. A worm gear 472 is fixedly installed on the outer side of the bidirectional lead screw 45 and inside the adjusting groove 471. A worm 473 is connected to the adjusting groove 471 near the side of the worm gear 472 through a motor. The worm 473 is meshed and connected with the worm gear 472. By setting the adjusting component 47, a machine groove for fixing the motor is correspondingly opened on one side of the hatch cover body 2 close to the adjusting groove 471, which is convenient for the motor to drive the worm 473 to rotate, and then drive the bidirectional lead screw 45 to rotate through the worm gear 472, making it more convenient to use.

[0036] Among them, limiting blocks 49 are symmetrically and fixedly installed on both sides of the fastening block 43. Limiting grooves 48 are opened in the sliding groove 42 near the limiting blocks 49. The limiting blocks 49 extend into the limiting grooves 48 and are slidably connected with the limiting grooves 48. By setting the limiting blocks 49 to extend into the limiting grooves 48 and be slidably connected with the limiting grooves 48, it is beneficial to enhance the stability of the movement of the two fastening blocks 43.

[0037] In this embodiment: When covering the installation groove 11 by covering the hatch cover body 2 on the top of the hatch top plate 1, through the provided fastening component 4, the adjusting component 47 drives the bidirectional lead screw 45 to rotate, and then drives the two fastening blocks 43 to move into the fastening grooves 44 respectively, which is beneficial to strengthen the shielding of the hatch cover body 2 on the installation groove 11. When rotating the bidirectional lead screw 45 to drive the two fastening blocks 43 to leave the inside of the fastening grooves 44, it is convenient to open the hatch cover body 2. At the same time, after the hatch cover body 2 is opened, driving the two fastening blocks 43 to leave the inside of the sliding groove 42 by rotating the bidirectional lead screw 45 is beneficial for partitioning and preventing the hatch cover body 2 from extending into the installation groove 11.

[0038] All the electrical equipment in this solution is powered by an external power supply and is controlled externally.

[0039] Working principle: When in use, by setting the support component 3, after the hatch cover main body 2 is opened, by pulling the support sleeve 33, the inside of the support sleeve 33 is connected to the support rod 32 through a support spring. The support sleeve 33 is extended between the two positioning blocks 34 and fixed by the positioning bolt 35, the positioning hole 36 and the nut, which is beneficial to support and limit the hatch cover main body 2 and prevent the hatch cover main body 2 from closing due to accidental contact; when the hatch cover main body 2 is covered on the top of the hatch roof 1 to cover the installation groove 11, through the set fastening component 4, the adjusting component 47 drives the bidirectional lead screw 45 to rotate, and then drives the two fastening blocks 43 to move into the fastening groove 44 respectively, which is beneficial to strengthen the shielding of the installation groove 11 by the hatch cover main body 2; when the bidirectional lead screw 45 is rotated to drive the two fastening blocks 43 to leave the inside of the fastening groove 44, it is convenient to open the hatch cover main body 2. At the same time, after the hatch cover main body 2 is opened, driving the two fastening blocks 43 to leave the inside of the sliding groove 42 by the rotation of the bidirectional lead screw 45 is beneficial to the partition and prevents the hatch cover main body 2 from extending into the installation groove 11.

[0040] The above is only the preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. The substitution may be the substitution of part of the structure, device, method steps, or a complete technical solution. Any equivalent substitution or change made according to the technical solution of the present invention and the inventive concept thereof shall be covered within the protection scope of the present invention.

Claims

1. A flip-open small hatch cover, comprising a hatch top plate (1), characterized in that: The cabin roof plate (1) is provided with a mounting groove (11) inside, a cabin cover body (2) is provided at the top of the mounting groove (11), a support assembly (3) is provided at the top of the cabin cover body (2), a fastening assembly (4) is provided at the bottom of the cabin cover body (2) and close to the mounting groove (11), the support assembly (3) comprises a mounting block (31), the mounting block (31) is symmetrically fixedly mounted on the top of the cabin cover body (2), a support rod (32) is rotatably connected between two mounting blocks (31), a support sleeve (33) is provided on the outer side of the support rod (32), a positioning block (34) is symmetrically fixedly mounted on the top of the cabin roof plate (1), a positioning hole (36) is provided on a side of the support sleeve (33) close to the positioning block (34), and the two support sleeves (33) are fixed between the two positioning blocks (34) via a positioning bolt (35) and a positioning hole (36).

2. The flip-open small hatch cover according to claim 1, characterized in that: The fastening assembly (4) comprises a support block (41), the support block (41) being fixedly mounted on the bottom of the hatch cover body (2), the support block (41) having symmetrically arranged sliding grooves (42) on both sides thereof, the sliding grooves (42) having symmetrically arranged fastening blocks (43) slidably connected thereto, fastening grooves (44) being symmetrically arranged on both sides of the mounting groove (11) and close to the fastening blocks (43), the support block (41) having a bidirectional lead screw (45) rotatably connected thereto via an adjusting assembly (47), the two ends of the two fastening blocks (43) close to the bidirectional lead screw (45) both having threaded grooves (46), the two ends of the bidirectional lead screw (45) respectively extending between the two threaded grooves (46) and being threadedly connected to the threaded grooves (46).

3. The flip-open small hatch cover according to claim 2, characterized in that: The adjustment assembly (47) comprises an adjustment slot (471), wherein the adjustment slot (471) is opened in the middle of the support block (41), a worm wheel (472) is fixedly installed outside the bidirectional lead screw (45) and inside the adjustment slot (471), and a worm (473) is connected to the side of the adjustment slot (471) close to the worm wheel (472) via a motor, and the worm (473) is meshingly connected to the worm wheel (472).

4. The flip-open small hatch cover according to claim 1, characterized in that: A rotating groove (12) is provided at the top of the cabin roof plate (1) and at a side close to the cabin cover body (2); a rotating block (22) is fixedly installed at the side close to the rotating groove (12) of the cabin cover body (2); the rotating block (22) extends into the interior of the rotating groove (12) and is connected via a rotating shaft; a fixing groove (13) is provided at the top of the cabin roof plate (1) and at a side away from the rotating groove (12); and a fixing block (23) is fixedly installed at the side close to the fixing groove (13) of the cabin cover body (2).

5. The flip-open small hatch cover according to claim 2, characterized in that: Limiting blocks (49) are symmetrically fixedly mounted on both sides of the fastening block (43); limiting grooves (48) are provided inside the sliding groove (42) and close to the limiting blocks (49); and the limiting blocks (49) extend into the limiting grooves (48) and are slidably connected to the limiting grooves (48).

6. The flip-open small hatch cover according to claim 1, characterized in that: Limiting plates (37) are symmetrically fixedly installed on the top of the hatch cover body (2) and on both sides of the support sleeve (33), wherein a stop bar (38) is rotatably connected to the top of one of the limiting plates (37), and the stop bar (38) is fixed to the other limiting plate (37) by bolts.

7. The flip-open small hatch cover according to claim 1, characterized in that: A handle (21) is fixedly mounted on one side of the top of the hatch cover body (2), and an indicator light (5) is symmetrically fixedly mounted on the top of the hatch cover body (2).