A weathertight hydraulic sliding double door

Abstract

The present invention relates to a ship sliding door, specifically a weathertight hydraulic sliding double-opening door. It comprises a vertically arranged door leaf and a door frame, wherein a first drive cylinder is hinged between the door leaf and the door frame for driving the door leaf to move longitudinally along the upper and lower side frames of the door frame. The door leaf is characterized in that there are two door leaves of the same size and shape, and the first drive cylinder is provided between the two door leaves and the corresponding vertical side frames of the door frame. A first sealing strip is provided on the upper edge, the lower edge and the vertical edge away from the vertical center line of the door frame on the outer side surface of the door leaf. A locking mechanism is provided between the upper and lower edges of the door leaf and the door frame; a pressing mechanism is provided between the vertical edge of the door leaf away from the vertical center line of the door frame and the door frame; and a second sealing strip is provided on the adjacent vertical edges of the two door leaves. The double-opening door will not fail to close or open, and has good reliability in closing and opening.

Description

Technical Field

[0001] The invention relates to a ship sliding door, in particular to a weathertight hydraulic sliding double-opening door installed on the side and stern openings of the ship. Background Art

[0002] Currently, weathertight sliding doors installed in ship side and stern openings consist of a vertically arranged door frame and leaf. A drive cylinder is located between the leaf and the frame, driving the leaf longitudinally along the upper and lower edges of the frame. When closed, the leaf seals against the frame on all sides. These weathertight sliding doors feature a single leaf, meaning they move only one side. When the ship's side and stern openings are large, the leaf's single movement distance is long, requiring a long stroke of the drive cylinder's piston rod. This results in poor drive cylinder stability, leading to door closing and opening failures and poor reliability. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a weathertight hydraulic sliding double door, which will not fail to close or open and has good reliability in closing and opening.

[0004] To solve the above problems, the following technical solutions are provided:

[0005] The weathertight hydraulic sliding double door of the present invention comprises a vertically arranged door leaf and door frame. A first drive cylinder is hingedly connected between the door leaf and the door frame, for driving the door leaf to move longitudinally along the upper and lower side frames of the door frame. The door leaf comprises two identical door leaves of equal size and shape, each of which is provided with the first drive cylinder between the two door leaves and the corresponding vertical side frames of the door frame. First sealing strips are provided on the upper and lower edges of the outer sides of the door leaves, as well as on the vertical edge distal from the vertical centerline of the door frame. Locking mechanisms are provided between the upper and lower edges of the door leaf and the door frame; a clamping mechanism is provided between the vertical edge of the door leaf distal from the vertical centerline of the door frame; and second sealing strips are provided on the adjacent vertical edges of both door leaves.

[0006] Each of the large door leaves has a small door leaf at the lower portion of its outer side, which is parallel to the large door leaf. A second drive cylinder is located between each small door leaf and its corresponding large door leaf, for driving the small door leaf to move longitudinally along the upper and lower frames of the door frame. The lower portion of the small door leaf extends between the lower frame of the door frame and the large door leaf. A third sealing strip is located on the lower edge of the outer side of the small door leaf and on the vertical edge away from the vertical centerline of the door frame. A fourth sealing strip is located on the adjacent vertical edges of the two small door leaves.

[0007] An upper horizontal guide rail is provided on the inner side surface of the upper frame of the door frame, an upper guide strip is provided at the bottom of the upper horizontal guide rail, a lower horizontal guide rail is provided on the inner side surface of the lower frame of the door frame, and a lower guide strip is provided at the top of the lower horizontal guide rail. A first support shaft is provided on both ends of the upper edge and the lower edge of the inner side surface of the door leaf, the first support shaft being perpendicular to the door leaf, and rollers are coaxially provided on the first support shafts, with annular grooves formed on the wheel surfaces of the rollers. The annular grooves of the two upper rollers are clamped on the upper guide strip, while the annular grooves of the two lower rollers are clamped on the lower guide strip, and the widths of the upper and lower guide strips are both smaller than the widths of the annular grooves.

[0008] The locking mechanism includes a strip support block and two second support shafts. The strip support block is connected to the inner side surface of the corresponding horizontal frame of the door frame along the longitudinal direction of the horizontal frame of the door frame. The two second support shafts are fixed on the inner side surface of the door leaf in sequence, and the two second support shafts are in the same horizontal plane. There are buckles on the second support shafts. The buckles and the second support shafts are rotatably matched. A horizontally arranged connecting rod is hinged between one end of the two buckles away from the strip support block. A third driving cylinder is hinged between the side of the connecting rod away from the buckle and the inner side surface of the door leaf. Six limiting grooves are sequentially arranged along the longitudinal direction of the strip support block on the side surface of the strip support block close to the buckle. The limiting grooves are divided into a first section and a second section from one side close to the vertical center line of the door frame to the other side. The width of the first section is greater than the width of the second section. The side wall of the first section close to the door frame is flush with the side wall of the second section, and the side wall of the first section away from the door frame is inclined to the side wall of the second section. When the two door leaves are against each other, the piston rod of the third driving cylinder extends, and the two buckles of the locking mechanism respectively enter the two limit grooves close to the vertical center line of the door frame. When the two door leaves are in a half-open state, the piston rod of the third driving cylinder extends, and the two buckles of the locking mechanism respectively enter the two limit grooves located in the middle. When the two door leaves are in a fully open state, the piston rod of the third driving cylinder extends, and the two buckles of the locking mechanism respectively enter the two limit grooves away from the vertical center line of the door frame.

[0009] The clamping mechanism includes a strip-shaped limit block and at least two support blocks. The strip-shaped limit block is fixed to the inner side surface of the vertical side of the door frame along the longitudinal direction of the door frame vertical side. The support blocks are evenly distributed along the vertical side of the door leaf away from the vertical centerline of the door frame. One side of the support block is located between the door frame and the door leaf. The support block located between the door leaf has a horizontal latch extending toward the strip-shaped limit block. The horizontal latch has two sections. The section of the latch close to the support block is cylindrical, and the section of the latch away from the support block is conical. The large end of the conical section of the latch has the same diameter as the cylindrical section of the latch, and the large end of the conical section of the latch is concentrically connected to the cylindrical section of the latch. The limit blocks corresponding to the horizontal latch each have a socket. When the door leaf is in the open state, the horizontal latch is eccentrically arranged with the socket.

[0010] The above solution has the following advantages:

[0011] Because the weathertight hydraulic sliding double door of the present invention has two door leaves of identical size and shape, a first driving cylinder is provided between each door leaf and the corresponding vertical side frame, a first sealing strip is provided horizontally on the upper and lower edges of the outer side surfaces of the door leaves, a locking mechanism is provided between the upper and lower edges of the door leaves and the door frame, a second sealing strip is provided vertically on the vertical edge of the outer side surface of the door leaf distal from the vertical centerline of the door frame, a clamping mechanism is provided between the vertical edge of the door leaf distal from the vertical centerline of the door frame and the door frame, and a third sealing strip is provided on the adjacent vertical edges of both door leaves. This weathertight hydraulic sliding double door utilizes two door leaves for bidirectional movement, thereby significantly shortening the stroke of the first driving cylinder, ensuring consistent stability of the first driving cylinder, thereby avoiding the problem of door closing and opening failures and improving door closing and opening reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of a weathertight hydraulic sliding double door (with concealed decorative panels);

[0013] Figure 2 yes Figure 1 AA sectional view of FIG.

[0014] Figure 3 yes Figure 2 A magnified view of part B;

[0015] Figure 4 yes Figure 2 Magnified view of part C;

[0016] Figure 5 This is a schematic diagram of the connection between the buckle, the connecting rod and the third drive cylinder in the weathertight hydraulic sliding double door of the present invention;

[0017] Figure 6 It is a schematic diagram of the structure of the weathertight hydraulic sliding double door of the present invention after one door leaf is hidden;

[0018] Figure 7 It is a partial cross-sectional schematic diagram of the door frame of the weathertight hydraulic sliding double door of the present invention;

[0019] Figure 8 It is a schematic structural diagram of the weathertight hydraulic sliding double door of the present invention, wherein the door leaf is in a fully open state;

[0020] Figure 9 The invention is a structural schematic diagram showing a weathertight hydraulic sliding double door with the door leaf in a half-open state. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below with reference to the accompanying drawings.

[0022] like Figures 1 to 9 As shown, the weathertight hydraulic sliding double door of the present invention includes a vertically arranged door leaf 2 and a door frame 1. A first drive cylinder 11 is hingedly connected between the door leaf 2 and the door frame 1, for driving the door leaf 2 to move longitudinally along the upper and lower side frames of the door frame 1. There are two door leaves 2 of identical size and shape, and each of the first drive cylinders 11 is positioned between each door leaf 2 and the corresponding vertical side frames of the door frame 1. First sealing strips 14 are positioned along the upper and lower edges of the outer sides of the door leaves 2, as well as along the vertical edge away from the vertical centerline of the door frame 1. Locking mechanisms are provided between the upper and lower edges of the door leaves 2 and the door frame 1, and a clamping mechanism is provided between the vertical edge of the door leaf 2 away from the vertical centerline of the door frame 1 and the door frame 1. Second sealing strips 16 are positioned along the adjacent vertical edges of both door leaves 2.

[0023] Each of the large door leaves 2 has a small door leaf 18 at the lower portion of its outer side, parallel to the large door leaf 2. A second drive cylinder 21 is provided between each of the small door leaf 18 and its corresponding large door leaf 2, for driving the small door leaf 18 to move longitudinally along the upper and lower frames of the door frame 1. The lower portion of the small door leaf 18 extends between the lower frame of the door frame 1 and the large door leaf 2. A third sealing strip 15 is provided on the lower edge of the outer side of the small door leaf 18 and on the vertical edge away from the vertical centerline of the door frame 1. A fourth sealing strip 17 is provided on the adjacent vertical edges of the two small door leaves 18.

[0024] An upper horizontal guide rail 3 is provided on the inner side surface of the upper frame of the door frame 1, and an upper guide bar 9 is provided at the bottom of the upper horizontal guide rail 3. A lower horizontal guide rail 22 is provided on the inner side surface of the lower frame of the door frame 1, and a lower guide bar 23 is provided at the top of the lower horizontal guide rail 22. A first support shaft 7 is provided on both ends of the upper and lower edges of the inner side surface of the gate leaf 2. The first support shaft 7 is perpendicular to the gate leaf 2, and rollers 6 are coaxially arranged on the first support shaft 7. The wheel surface of the roller 6 has an annular groove 26. The annular grooves 26 of the two upper rollers 6 are clamped on the upper guide bar 9, and the annular grooves 26 of the two lower rollers 6 are clamped on the lower guide bar 23. The width of the upper guide bar 9 and the lower guide bar 23 are both smaller than the width of the annular groove 26.

[0025] The locking mechanism includes a strip support block 27 and two second support shafts 7. The strip support block 27 is connected to the inner side of the corresponding horizontal frame of the door frame 1 along the longitudinal direction of the horizontal frame of the door frame 1. The two second support shafts 7 are fixed on the inner side of the door leaf in turn, and the two second support shafts 7 are in the same horizontal plane. There are buckles 8 on the second support shafts 7, and the buckles 8 are rotatably matched with the second support shafts 7. A horizontally arranged connecting rod 4 is hinged between one end of the two buckles 8 away from the strip support block 27, and a third drive cylinder 5 is hinged between the side of the connecting rod 4 away from the buckle 8 and the inner side of the door leaf 2. On the side surface of the strip support block 27 close to the buckle 8, 6 limiting grooves are arranged in sequence along the longitudinal direction of the strip support block 27. The limiting grooves are divided into a first section 24 and a second section 25 from one side close to the vertical center line of the door frame 1 to the other side. The width of the first section 24 is greater than the width of the second section 25. The side wall of the first section 24 close to the door frame 1 is flush with the side wall of the second section 25, and the side wall of the first section 24 away from the door frame 1 and the side wall of the second section 25 are inclined to transition. When the two door leaves 2 are against each other, the piston rod of the third drive cylinder 5 is extended, and the two buckles 8 of the locking mechanism respectively enter the two limit grooves close to the vertical center line of the door frame 1; when the two door leaves 2 are in a half-open state, the piston rod of the third drive cylinder 5 is extended, and the two buckles 8 of the locking mechanism respectively enter the two limit grooves located in the middle; when the two door leaves 2 are in a fully open state, the piston rod of the third drive cylinder 5 is extended, and the two buckles 8 of the locking mechanism respectively enter the two limit grooves away from the vertical center line of the door frame 1.

[0026] The clamping mechanism includes a strip-shaped limit block 12 and no less than two support blocks 10. The strip-shaped limit block 12 is fixed to the inner side surface of the vertical side frame of the door frame 1 along the longitudinal direction of the vertical side frame of the door frame 1. The support blocks 10 are evenly distributed along the vertical side of the door leaf 2 away from the vertical center line of the door frame 1. One side of the support block 10 is located between the door frame 1 and the door leaf 2. The support block 10 located between the door leaf 2 has a horizontal latch 13 extending toward the strip-shaped limit block 12. The horizontal latch 13 has two sections. The section of the latch close to the support block 10 is cylindrical, and the section of the latch away from the support block 10 is conical. The large end of the conical section of the latch has the same diameter as the cylindrical section of the latch, and the large end of the conical section of the latch is concentrically connected to the cylindrical section of the latch. The limit blocks corresponding to the horizontal latch 13 each have a socket 19. When the door leaf 2 is in the open state, the horizontal latch 13 is eccentrically arranged with the socket 19.

[0027] For aesthetic purposes, a decorative panel 20 is provided on the inner side of each door leaf 2 .

[0028] In order to save space, the first support shaft 7 and the second support shaft 7 are coaxial.

[0029] During operation, when the door leaf 2 is fully closed, the two small door leaves 18 are completely retracted in the corresponding door leaf 2, the two door leaves 2 are pressed against each other, and the two second sealing strips 16 are against each other to form a seal; at the same time, the piston rod of the third driving cylinder 5 is extended, and the two buckles 8 of the locking mechanism respectively enter the two limit grooves close to the vertical center line of the door frame 1. When the buckles 8 enter the second segment 25 from the first segment 24 in the limit groove, due to the inclined transition between the first segment 24 and the second segment 25, the buckles 8 are in the second segment. Pushed by the body 25, the upper and lower edges of the outer side of the door leaf 2 are pressed against the door frame 1, and the first sealing strips 14 on the upper and lower edges of the outer side of the door frame 1 are pressed against the door frame 1 to form a seal; at the same time, the horizontal latch 13 enters the insertion hole 19, driving the vertical edge of the door leaf 2 away from the vertical center line of the door frame 1 to be pressed against the door frame 1, and the first sealing strips 14 on the vertical edge of the outer side of the door leaf 2 away from the vertical center line of the door frame 1 are pressed against the door frame 1 to form a seal, thereby achieving wind and rain tightness. At this time, the side and stern openings of the ship are completely closed and cannot be passed. Figure 1 shown.

[0030] When the main door leaf 2 and the small door leaf 18 are fully opened, the first drive cylinder 11 and the second drive cylinder 21 are fully retracted, and the two small door leaves 18 are fully retracted into the corresponding main door leaf 2, and the main door leaf 2 is fully opened. At the same time, the piston rod of the third drive cylinder 5 is extended, and the two buckles 8 of the locking mechanism respectively enter the two limit grooves away from the vertical center line of the door frame 1, forming the door opening limit. At this time, the side and stern openings of the ship are fully opened, allowing the passage of all similar equipment, such as Figure 8 shown.

[0031] When the main door leaf 2 is half open and the small door leaf 18 is closed, the first oil cylinder is in a half-extended state, and the main door stops at the half-closed position. The second drive cylinder 21 is in a fully extended state, and the small door leaf 18 is also fully extended from the main door. The two small door leaves 18 are pressed against each other, and the two fourth sealing strips 17 are pressed against each other. At the same time, the piston rod of the third drive cylinder 5 is extended, and the two buckles 8 of the locking mechanism respectively enter the two limit grooves located in the middle. When the buckles 8 enter the limit grooves from the first section 24 to the second section 25, due to the inclined transition between the first section 24 and the second section 25, the main door leaf 2 drives the outer side of the small door leaf 18 to be pressed against the door frame 1 under the push of the second section 25, and the third sealing strip 15 is pressed against the door frame 1 to form a seal. At this time, the openings on the side and stern of the ship are half open, and the area below the through hole can still be wind and rain tight, which can meet the passage requirements of the swing arm in a small space, such as Figure 9 shown.

[0032] The advantages of the weathertight hydraulic sliding double door of the present invention are:

[0033] 1. The large door with a small door is applicable to more working conditions. In the half-open state, the chance of the internal equipment of the through-hole being directly exposed to external seawater, sunlight and other erosion and exposure is reduced, which effectively protects the internal equipment.

[0034] 2. The present invention is installed as a whole, and is easy to maintain and install.

[0035] 3. The present invention is completely locked in any working position and there is no shaking problem.

[0036] 4. Due to the design of the buckle 8 and the horizontal pin 13, when the large door leaf 2 and the small door leaf 18 are moving, the first sealing strip 14 and the third sealing strip 15 have no contact with the door frame 1, which greatly reduces the wear of the first sealing strip 14 and the third sealing strip 15 and extends the service life of the first sealing strip 14 and the third sealing strip 15.

Claims

1. A weathertight hydraulic sliding double door, comprising a door leaf (2) and a door frame (1) arranged vertically, wherein a first driving cylinder (11) is hingedly connected between the door leaf (2) and the door frame (1) for driving the door leaf (2) to move longitudinally along the upper and lower side frames of the door frame (1); characterized in that There are two gate leaves (2) of the same size and shape. The first driving cylinder (11) is provided between the two gate leaves (2) and the corresponding vertical side frames of the door frame (1). The upper edge, the lower edge and the vertical edge away from the vertical center line of the door frame (1) of the outer side of the gate leaf (2) are provided with a first sealing strip (14). The upper edge and the lower edge of the gate leaf (2) and the door frame (1) are provided with a locking mechanism. The vertical edge of the gate leaf (2) away from the vertical center line of the door frame (1) and the door frame (1) are provided with a pressing mechanism. The adjacent vertical edges of the two gate leaves (2) are provided with a second sealing strip (16). The locking mechanism comprises a strip support block (27) and two second support shafts (7), the strip support block (27) being connected to the inner side surface of the corresponding horizontal frame of the door frame (1) along the longitudinal direction of the horizontal frame of the door frame (1), the two second support shafts (7) being fixed on the inner side surface of the door leaf in sequence, and the two second support shafts (7) being in the same horizontal plane, the second support shafts (7) being provided with buckles (8), the buckles (8) and the second support shafts (7) being in rotational engagement, a horizontally arranged connecting rod (4) being hinged between one end of the two buckles (8) away from the strip support block (27), and the side of the connecting rod (4) away from the buckle (8) being connected to the second support shaft (7) A third driving cylinder (5) is hinged between the inner side surfaces of the door leaf (2); six limiting grooves are sequentially provided on the side surface of the strip support block (27) close to the buckle (8) along the longitudinal direction of the strip support block (27), and the limiting grooves are sequentially divided into a first segment (24) and a second segment (25) from one side close to the vertical center line of the door frame (1) to the other side. The width of the first segment (24) is greater than the width of the second segment (25). The side wall of the first segment (24) close to the door frame (1) is flush with the side wall of the second segment (25), and the side wall of the first segment (24) and the second segment (25) away from the door frame (1) are flush. The wall has an inclined transition; when the two door leaves (2) are against each other, the piston rod of the third drive cylinder (5) extends, and the two buckles (8) of the locking mechanism respectively enter the two limit grooves close to the vertical center line of the door frame (1); when the two door leaves (2) are in a half-open state, the piston rod of the third drive cylinder (5) extends, and the two buckles (8) of the locking mechanism respectively enter the two limit grooves located in the middle; when the two door leaves (2) are in a fully open state, the piston rod of the third drive cylinder (5) extends, and the two buckles (8) of the locking mechanism respectively enter the two limit grooves away from the vertical center line of the door frame (1).

2. The weathertight hydraulic sliding double door according to claim 1, characterized in that The lower part of the outer side surface of the gate leaf (2) is provided with a small gate leaf (18), the small gate leaf (18) is parallel to the gate leaf (2), and a second driving cylinder (21) is provided between the small gate leaf (18) and the corresponding gate leaf (2) for driving the small gate leaf (18) to move longitudinally along the upper and lower frames of the door frame (1). The lower part of the small gate leaf (18) extends between the lower frame of the door frame (1) and the gate leaf (2), and a third sealing strip (15) is provided on the lower edge of the outer side surface of the small gate leaf (18) and the vertical edge away from the vertical center line of the door frame (1); and a fourth sealing strip (17) is provided on the adjacent vertical edges of the two small gate leaves (18).

3. The weathertight hydraulic sliding double door according to claim 2, characterized in that An upper horizontal guide rail (3) is provided on the inner side surface of the upper frame of the door frame (1), an upper guide bar (9) is provided at the bottom of the upper horizontal guide rail (3), a lower horizontal guide rail (22) is provided on the inner side surface of the lower frame of the door frame (1), and a lower guide bar (23) is provided at the top of the lower horizontal guide rail (22); a first support shaft (7) is provided on both ends of the upper edge and the lower edge of the inner side surface of the gate leaf (2), the first support shaft (7) is perpendicular to the gate leaf (2), and a roller (6) is coaxially arranged on the first support shaft (7), and an annular groove (26) is provided on the wheel surface of the roller (6), the annular grooves (26) of the two upper rollers (6) are clamped on the upper guide bar (9), and the annular grooves (26) of the two lower rollers (6) are clamped on the lower guide bar (23), and the widths of the upper guide bar (9) and the lower guide bar (23) are both smaller than the width of the annular groove (26).

4. The weathertight hydraulic sliding double door according to claim 1 or 3, characterized in that The clamping mechanism comprises a strip-shaped limit block (12) and at least two support blocks (10), the strip-shaped limit block (12) being fixed on the inner side surface of the vertical frame of the door frame (1) along the longitudinal direction of the vertical frame of the door frame (1), and the support blocks (10) being evenly distributed on the vertical side of the door leaf (2) away from the vertical center line of the door frame (1); one side of the support block (10) is located between the door frame (1) and the door leaf (2), and the support block (10) located between the door leaf (2) has a strip-shaped limit block (12) extending toward the strip-shaped limit block (12). The horizontal latch (13) is provided, and the horizontal latch (13) is divided into two sections. The section of the latch close to the support block (10) is cylindrical, and the section of the latch away from the support block (10) is conical, and the large end of the latch cone section is equal to the diameter of the latch cylinder section, and the large end of the latch cone section is concentrically connected to the latch cylinder section. There are jacks (19) on the limit blocks corresponding to the horizontal latch (13). When the door leaf (2) is in the open state, the horizontal latch (13) and the jack (19) are eccentrically arranged.

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