A marine ventilator that is easy to disassemble

Abstract

The present invention relates to the technical field related to ship equipment, and specifically to a ship ventilator that is easy to disassemble, comprising a ventilator body, a hood, a quick disassembly mechanism, a hood cover and a hood cover opening and closing mechanism, wherein the ventilator body is fixedly mounted on the deck of the ship; a docking piece composed of a connecting beam and a docking seat is provided on the ventilator body, and a docking plate is provided on the hood cover, and the quick disassembly mechanism is provided to be composed of a ring frame, a positioning pin, a connecting rod and a reset spring, so that the positioning pin is inserted into the primary positioning hole and the secondary positioning hole through the action of the reset spring, thereby realizing rapid locking of the docking piece and the docking plate, and pushing the push rod can allow multiple positioning pins to be unlocked synchronously, which is very convenient and quick, and the docking plate is embedded in the docking groove, which can ensure the connection stability of the docking piece and the docking plate while facilitating the alignment of the primary positioning hole and the secondary positioning hole.

Description

Technical Field

[0001] The present invention relates to the technical field related to ship equipment, and in particular to a ship ventilator which is easy to disassemble. Background Art

[0002] There are three main forms of cabin ventilation on modern ships, namely natural ventilation, mechanical ventilation (or forced ventilation) and air conditioning systems. Natural ventilation is the oldest ventilation method, but it is still widely used in modern ships. All of them inevitably require the use of a tool called a ventilator, which is generally installed on the open deck.

[0003] The existing Chinese patent document with the publication number CN115892342B discloses a high-strength ventilation window for ships that is easy to install. The solution includes a fixing frame; an assembly plate is fixedly connected to the outside of the fixing frame, and two groups of assembly plates are fixedly connected; a window tube is inserted into the interior of the fixing frame; a sliding block is slidably connected to the interior of the window tube, and multiple groups of sliding blocks are provided; the bottom end of the sliding block is fixedly connected to a No. 1 elastic member, and the bottom end of the No. 1 elastic member is fixed to the inner wall of the window tube; an insertion rod is slidably connected to the interior of the fixing frame, and the insertion rod is located at the sliding block; the fixing frame plays a role in quickly installing the window tube, and the ventilation window can be quickly replaced in severe weather such as heavy rain and storms;

[0004] However, in the above solution, the sliding block is pressed into the new window tube, and then the window tube is inserted into the inner wall of the fixing frame, and then the sliding block is pushed out and clamped inside the fixing frame by the No. 1 elastic member to form a limit. However, the matching stability of this method is poor, and its overall connection strength is low. For this reason, the present invention proposes a marine ventilator that is easy to disassemble to solve the above problems. Summary of the Invention

[0005] The object of the present invention is to provide a marine ventilator that is easy to disassemble, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a marine ventilator that is easy to disassemble, comprising:

[0007] A ventilator body, wherein the ventilator body is fixedly mounted on the deck of the hull, and the lower side end of the ventilator body is connected to the cabin of the hull, and a docking piece is fixedly connected to the outer side wall of the upper side end of the ventilator body;

[0008] A cylindrical cap, wherein a docking plate is fixedly welded to the inner side wall of the cylindrical cap, and the docking plate is arranged corresponding to the docking piece;

[0009] A quick disassembly mechanism, a connecting plate is fixedly welded on the inner side wall of the barrel cap, multiple connecting plates are arranged around the circumference, and the ends of the connecting plates are integrally formed with mounting tubes, the mounting tubes are arc-shaped tube structures, the quick disassembly mechanism is installed on the mounting tubes, and the quick disassembly mechanism is used for the quick connection and disassembly of the docking plate and the docking parts;

[0010] A cylinder cover, the cylinder cover is arranged at the upper side end of the ventilator main body port;

[0011] The barrel cover opening and closing mechanism includes a screw and a screw handle. A threaded hole is provided on the top surface of the barrel cap. The screw is screwed into the threaded hole. The screw handle is fixedly connected to the upper end of the screw. The barrel cover is positioned on the lower end of the screw by an upper nut and a lower nut.

[0012] Preferably, the docking part includes a connecting beam and a docking seat, the connecting beam is fixedly welded to the outer wall of the ventilation duct body, the docking seat and the connecting beam are integrally formed, and a docking groove is provided on the docking seat, a primary positioning hole is provided on the side wall of the docking groove, and a secondary positioning hole is provided on the docking plate. When the tube cap is actually installed, the docking plate is embedded in the docking groove, and at this time, the primary positioning hole and the secondary positioning hole are arranged correspondingly.

[0013] Preferably, the quick disassembly and assembly mechanism includes a ring frame, a positioning pin, a connecting rod and a reset spring. The positioning pin is an arc-shaped rod structure, and the positioning pin is movably arranged in the inner cavity of the mounting tube. A force seat is integrally formed on the positioning pin, and the force seat is fixedly connected to the ring frame through a connecting rod. The reset spring is sleeved on the positioning pin. When the reset spring is in the reset state, the end of the positioning pin passes through the primary positioning hole and the secondary positioning hole, and a push rod is fixedly welded to the lower side of the force seat.

[0014] Preferably, a cutting surface is cut on the side wall of the lower side end of the screw, and a mounting hole is opened at the center position of the lower side end of the screw, a first guide groove is opened on the side wall of the mounting hole, an upper rectangular groove and a lower rectangular groove are opened at the bottom of the first guide groove, and an air avoidance groove is opened at the upper side port of the upper nut and the lower side port of the lower nut, and a circle of engaging grooves is opened on the side walls of the air avoidance groove around the circumference of the air avoidance groove. When the upper end face of the upper nut is screwed to be flush with the upper side end of the cutting surface, and when the lower nut is actually tightened, the upper rectangular groove and the lower rectangular groove are respectively arranged corresponding to the engaging grooves on the upper nut and the lower nut.

[0015] Preferably, a mounting post is installed in the mounting hole, a mounting groove is provided on the side wall of the mounting post, a positioning block is movably installed in the mounting groove, the cross-section of the positioning block is a right-angled trapezoid, and a spring groove is provided at the rear end of the positioning block, a support spring is fixedly glued to the bottom of the spring groove, and when the support spring is in a reset state, the front end of the positioning block passes through the upper rectangular groove and is inserted into the locking groove, and the oblique side of the positioning block is set toward the upper side.

[0016] Preferably, a second guide groove is provided on the upper and lower side walls of the installation groove, and a spring groove is provided on the upper and lower sides of the positioning block. A limiting spring is integrally formed on the side wall of the spring groove. When the limiting spring is in the reset state, the end of the limiting spring extends to the outside of the spring groove. When the positioning block is actually installed, the limiting spring is embedded in the second guide groove, and when the limiting spring is against the outer edge of the second guide groove, the upper bottom edge of the positioning block is completely in the installation groove.

[0017] Preferably, the inner end of the mounting post is fixedly connected to a holding spring, and when the holding spring is in a reset state, the end of the mounting post protrudes outside the mounting hole.

[0018] Preferably, a hexagonal wrench slot is provided at the end of the mounting post, and a marking protrusion is integrally formed at the end of the mounting post, and the direction of the marking protrusion is the same as the direction of the port of the mounting slot.

[0019] Preferably, a movable hole is provided on the top surface of the tube cap, and a movable rod is movably installed in the movable hole. The lower side end of the movable rod is fixedly connected to the force plate, and a support spring is sleeved on the movable rod. The two ends of the support spring are respectively set to resist the force plate and the top surface of the tube cap. Scale lines are evenly engraved on the movable rod. When the tube cover is in a closed state and the force plate is resisted against the tube cap under the action of the support spring, the upper surface of the tube cap is aligned with the zero scale of the scale line.

[0020] Preferably, a primary sealing groove is provided on the lower end face of the cylinder cover, and a primary rubber sealing ring is fixedly embedded in the primary sealing groove. When the cylinder cover is closed, the primary rubber sealing ring is arranged to abut against the port of the ventilation cylinder body. A secondary sealing groove is provided on the lower end face of the upper nut and the upper end face of the lower nut. The secondary sealing groove is a scanning body groove with a right-angled trapezoidal cross-section, and a secondary rubber sealing ring is embedded and installed in the secondary sealing groove. When the upper nut and the lower nut are actually tightened, the secondary rubber sealing rings are in a compressed state.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. A marine ventilator that is easy to disassemble is provided, which is composed of a ventilator body, a hood, a quick disassembly mechanism, a hood and a hood opening and closing mechanism. A docking piece composed of a connecting beam and a docking seat is provided on the ventilator body, and a docking plate is provided on the hood. The quick disassembly mechanism is provided to be composed of a ring frame, a positioning pin, a connecting rod and a reset spring. The positioning pin is inserted into the primary positioning hole and the secondary positioning hole by the action of the reset spring, thereby realizing rapid locking of the docking piece and the docking plate. By pushing the push rod, multiple positioning pins can be unlocked synchronously, which is very convenient and quick. The docking plate is embedded in the docking groove, which can ensure the connection stability of the docking piece and the docking plate while facilitating the alignment of the primary positioning hole and the secondary positioning hole.

[0023] 2. By cutting a cut surface on the side wall of the screw, and opening a mounting hole on the screw, and opening a guide groove on the side wall of the mounting hole, and opening an upper rectangular groove and a lower rectangular groove at the bottom of the guide groove, and by arranging a mounting column with a mounting groove in the mounting hole, and movably installing a positioning block in the mounting groove, and arranging a support spring in the spring groove of the positioning block, and opening an air avoidance groove and a locking groove on the upper nut and the lower nut, so that the force of the support spring allows the positioning block to pass through the upper rectangular groove and be inserted into the locking groove, thereby forming a self-locking effect on the upper nut and the lower nut, thereby ensuring the positioning stability of the upper nut and the lower nut on the cylinder cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the present invention;

[0025] Figure 2 A half-section view of the present invention;

[0026] Figure 3 for Figure 2 A schematic diagram of the structure at center A;

[0027] Figure 4 for Figure 2 A magnified schematic diagram of the structure at point B in the middle;

[0028] Figure 5 for Figure 2 A magnified schematic diagram of the structure at point C in the middle;

[0029] Figure 6 for Figure 2 A magnified schematic diagram of the structure at D in the middle;

[0030] Figure 7 for Figure 6 A magnified schematic diagram of the structure at E in the middle;

[0031] Figure 8 This is a schematic diagram of the main structure of the ventilation duct of the present invention;

[0032] Figure 9 for Figure 8 A magnified schematic diagram of the structure at F in the middle;

[0033] Figure 10 This is a schematic diagram of the tube cap structure of the present invention;

[0034] Figure 11 for Figure 10 A magnified schematic diagram of the structure at G in the middle;

[0035] Figure 12 This is a schematic diagram of the opening and closing mechanism of the cylinder cover of the present invention;

[0036] Figure 13 for Figure 12 A magnified schematic diagram of the structure at H in the middle;

[0037] Figure 14 for Figure 13 A magnified schematic diagram of the structure at J in the middle;

[0038] Figure 15 This is a schematic diagram of the quick disassembly and assembly mechanism of the present invention;

[0039] Figure 16 for Figure 15 A magnified schematic diagram of the structure at K in the middle;

[0040] Figure 17 This is a schematic diagram of the positioning block structure of the present invention;

[0041] Figure 18 for Figure 17 A magnified schematic diagram of the structure at L in the middle;

[0042] Figure 19 This is a schematic diagram of the upper nut structure of the present invention;

[0043] Figure 20 for Figure 19 A magnified schematic diagram of the structure at M in the middle;

[0044] Figure 21 This is a schematic diagram of the mounting column structure of the present invention;

[0045] Figure 22 for Figure 21 Enlarged schematic diagram of the structure at position N.

[0046] In the figure: ventilation tube body 1, tube cap 2, quick disassembly mechanism 3, tube cover 4, tube cover opening and closing mechanism 5, docking piece 6, docking plate 7, connecting plate 8, mounting tube 9, threaded hole 10, screw 11, screw handle 12, upper nut 13, lower nut 14, connecting beam 15, docking seat 16, docking groove 17, first-level positioning hole 18, second-level positioning hole 19, annular frame 20, positioning pin 21, connecting rod 22, reset spring 23, force seat 24, push rod 25, cutting surface 26, installation Mounting hole 27, first guide groove 28, upper rectangular groove 29, lower rectangular groove 30, mounting column 31, supporting spring 32, mounting groove 33, positioning block 34, supporting spring 35, air avoidance groove 36, engaging groove 37, second guide groove 38, spring clip groove 39, limiting spring clip 40, secondary rubber sealing ring 41, primary rubber sealing ring 42, movable hole 43, movable rod 44, force plate 45, supporting spring 46, scale line 47, hexagonal wrench slot 50, marking protrusion 51. DETAILED DESCRIPTION

[0047] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0048] See also Figure 1-Figure 22 , the present invention provides the following three preferred embodiments:

[0049] Embodiment 1: A marine ventilator that is easy to disassemble, comprising a ventilator body 1, a cap 2, a quick disassembly mechanism 3, a cap 4 and a cap opening and closing mechanism 5. The ventilator body 1 is fixedly mounted on the deck of the ship, and the lower side end of the ventilator body 1 is communicated with the cabin of the ship. A docking piece 6 is fixedly connected to the outer wall of the upper side end of the ventilator body 1, a docking plate 7 is fixedly welded to the inner side wall of the cap 2, and the docking plate 7 is arranged corresponding to the docking piece 6. A connecting plate 8 is fixedly welded to the inner side wall of the cap 2, and a plurality of connecting plates 8 are arranged around the circumference, and the ends of the connecting plates 8 are all integrally formed with mounting tubes 9, which are arc-shaped tube structures. The quick disassembly mechanism 3 is mounted on the mounting tube 9, and the quick disassembly mechanism 3 is used for quick connection and disassembly of the docking plate 7 and the docking piece 6, and the cap 4 is arranged at the port of the ventilator body 1. At the upper side end, the cylinder cover opening and closing mechanism 5 includes a screw 11 and a screw handle 12. A threaded hole 10 is provided on the top surface of the cylinder cap 2. The screw 11 is screwed and installed in the threaded hole 10. The screw handle 12 is fixedly connected to the upper side end of the screw 11. The cylinder cover 4 is positioned at the lower side end of the screw 11 through the upper nut 13 and the lower nut 14. The docking part 6 includes a connecting beam 15 and a docking seat 16. The connecting beam 15 is fixedly welded to the outer side wall of the ventilation cylinder body 1. The docking seat 16 and the connecting beam 15 are integrally formed, and a docking groove 17 is provided on the docking seat 16. A primary positioning hole 18 is provided on the side wall of the docking groove 17, and a secondary positioning hole 19 is provided on the docking plate 7. When the cylinder cap 2 is actually installed, the docking plate 7 is embedded in the docking groove 17, and at this time, the primary positioning hole 18 and the secondary positioning hole 19 are correspondingly arranged.

[0050] The quick disassembly and assembly mechanism 3 includes an annular frame 20, a positioning pin 21, a connecting rod 22 and a return spring 23. The positioning pin 21 is an arc-shaped rod structure, and the positioning pin 21 is movably arranged in the inner cavity of the mounting tube 9. A force seat 24 is integrally formed on the positioning pin 21, and the force seat 24 is fixedly connected to the annular frame 20 through the connecting rod 22. The return spring 23 is sleeved on the positioning pin 21. When the return spring 23 is in the reset state, the end of the positioning pin 21 passes through the primary positioning hole 18 and the secondary positioning hole 19. A push rod 25 is fixedly welded to the lower side of the force seat 24. A marine ventilator that is easy to disassemble is formed by arranging a ventilator body 1, a ventilator cap 2, a quick disassembly and assembly mechanism 3, a ventilator cover 4 and a ventilator cover opening and closing mechanism 5, and by A docking piece 6 composed of a connecting beam 15 and a docking seat 16 is provided on the ventilation duct main body 1, and a docking plate 7 is provided on the tube cap 2, and the quick disassembly and assembly mechanism 3 is arranged to be composed of a ring frame 20, a positioning pin 21, a connecting rod 22 and a reset spring 23, so that the positioning pin 21 is inserted into the primary positioning hole 18 and the secondary positioning hole 19 through the action of the reset spring 23, thereby realizing the rapid locking of the docking piece 6 and the docking plate 7, and pushing the push rod 25 can allow multiple positioning pins 21 to be unlocked synchronously, which is very convenient and fast, and the docking plate 7 is embedded in the docking groove 17, which can ensure the connection stability of the docking piece 6 and the docking plate 7 while facilitating the alignment of the primary positioning hole 18 and the secondary positioning hole 19.

[0051] Embodiment 2: On the basis of embodiment 1, a cutting surface 26 is cut on the side wall of the lower side end of the screw rod 11, and a mounting hole 27 is opened at the center position of the lower side end of the screw rod 11, and a first guide groove 28 is opened on the side wall of the mounting hole 27, and an upper rectangular groove 29 and a lower rectangular groove 30 are opened at the bottom of the first guide groove 28, and an air avoidance groove 36 is opened at the upper side port of the upper nut 13 and the lower side port of the lower nut 14, and a circle of engaging grooves 37 are opened on the side walls of the air avoidance groove 36 around the circumference of the air avoidance groove 36. When the upper end face of the upper nut 13 is screwed to be flush with the upper side end of the cutting surface 26, and when the lower nut 14 is actually tightened, the upper rectangular groove 29 and the lower rectangular groove 30 are respectively arranged to correspond to the engaging grooves 37 on the upper nut 13 and the lower nut 14.

[0052] A mounting post 31 is installed in the mounting hole 27, and a mounting groove 33 is provided on the side wall of the mounting post 31. A positioning block 34 is movably installed in the mounting groove 33. The cross-section of the positioning block 34 is a right-angled trapezoid, and a spring groove is provided at the rear end of the positioning block 34. A supporting spring 35 is fixedly glued to the bottom of the spring groove. When the supporting spring 35 is in the reset state, the front end of the positioning block 34 passes through the upper rectangular groove 29 and is inserted into the engaging groove 37. The oblique side of the positioning block 34 is arranged toward the upper side, and a cutting surface 26 is formed by cutting on the side wall of the screw rod 11, and a mounting hole 27 is provided on the screw rod 11, and a first guide groove 28 is provided on the side wall of the mounting hole 27, and a first guide groove 28 is provided on the first guide groove 28. An upper rectangular groove 29 and a lower rectangular groove 30 are formed at the bottom of a guide groove 28, and a mounting column 31 with a mounting groove 33 is provided in the mounting hole 27, and a positioning block 34 is movably installed in the mounting groove 33, and a support spring 35 is provided in the spring groove of the positioning block 34, and an air avoidance groove 36 and a locking groove 37 are provided on the upper nut 13 and the lower nut 14. The force of the support spring 35 allows the positioning block 34 to pass through the upper rectangular groove 29 and be inserted into the locking groove 37, thereby forming a self-locking effect on the upper nut 13 and the lower nut 14, thereby ensuring the positioning stability of the upper nut 13 and the lower nut 14 on the cylinder cover 4.

[0053] Second guide grooves 38 are provided on the upper and lower side walls of the mounting groove 33, and spring slots 39 are provided on the upper and lower sides of the positioning block 34. A limiting spring clip 40 is integrally formed on the side wall of the spring clip slot 39. When the limiting spring clip 40 is in the reset state, the end of the limiting spring clip 40 extends to the outside of the spring clip slot 39. When the positioning block 34 is actually installed, the limiting spring clip 40 is embedded in the second guide groove 38, and when the limiting spring clip 40 is against the outer edge of the second guide groove 38, the upper bottom edge of the positioning block 34 is completely in the mounting groove 33. By setting the limiting spring clip 40 and the second guide groove 38, the movement range of the positioning block 34 is effectively limited.

[0054] The inner end of the mounting column 31 is fixedly connected with a holding spring 32. When the holding spring 32 is in the reset state, the end of the mounting column 31 protrudes outside the mounting hole 27. The setting of the holding spring 32 can facilitate the disassembly of the mounting column 31.

[0055] An inner hexagonal wrench slot 50 is provided at the end of the mounting post 31, and a marking protrusion 51 is integrally formed at the end of the mounting post 31. The direction of the marking protrusion 51 is the same as the port direction of the mounting groove 33. When the mounting post 31 needs to be disassembled, the mounting post 31 is pushed inward with an inner hexagonal wrench, thereby forming a force through the inclined surface of the positioning block 34 and the side of the rectangular groove, so that the positioning block 34 is retracted into the mounting groove 33, and then the mounting post 31 is rotated a certain angle to allow the positioning block 34 to be staggered with the rectangular groove, and then the upper nut 13 and the lower nut 14 can be disassembled normally.

[0056] Embodiment 3: On the basis of embodiment 1, a movable hole 43 is opened on the top surface of the tube cap 2, and a movable rod 44 is movably installed in the movable hole 43. The lower side end of the movable rod 44 is fixedly connected to the force plate 45, and a supporting spring 46 is sleeved and installed on the movable rod 44. The two ends of the supporting spring 46 are respectively set to resist the force plate 45 and the top surface of the tube cap 2. Scale lines 47 are evenly engraved on the movable rod 44. When the tube cover 4 is in a closed state and the force plate 45 is resisted against the tube cap 2 under the action of the supporting spring 46, the upper surface of the tube cap 2 is aligned with the zero scale of the scale line 47, which is convenient for determining the height of the tube cover 4 to control the opening range of the tube cover 4, thereby facilitating the control of the gas flow rate.

[0057] A primary sealing groove is provided on the lower end face of the cylinder cover 4, in which a primary rubber sealing ring 42 is fixedly embedded. When the cylinder cover 4 is closed, the primary rubber sealing ring 42 is set against the port of the ventilator body 1, and a secondary sealing groove is provided on the lower end face of the upper nut 13 and the upper end face of the lower nut 14. The secondary sealing groove is a scanning body groove with a right-angled trapezoidal cross-section, and a secondary rubber sealing ring 41 is embedded and installed in the secondary sealing groove. When the upper nut 13 and the lower nut 14 are actually tightened, the secondary rubber sealing ring 41 is in a compressed state, thereby improving the sealing between the structures.

[0058] Although the above describes the illustrative specific embodiments of the present application so that those skilled in the art can understand the present application, the present application is not limited to the scope of the specific embodiments. For those skilled in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations based on the concept of the present application are protected.

Claims

1. A marine ventilator that is easy to disassemble, characterized by: include: A ventilator body (1), the ventilator body (1) is fixedly mounted on the deck of the ship, and the lower side end of the ventilator body (1) is connected to the cabin of the ship, and a docking piece (6) is fixedly connected to the outer side wall of the upper side end of the ventilator body (1); A barrel cap (2), wherein a docking plate (7) is fixedly welded to the inner side wall of the barrel cap (2), and the docking plate (7) is arranged corresponding to the docking piece (6); A quick disassembly mechanism (3), wherein a connecting plate (8) is fixedly welded on the inner side wall of the barrel cap (2), a plurality of connecting plates (8) are arranged at equal intervals, and a mounting tube (9) is integrally formed at the end of each connecting plate (8), and the mounting tube (9) is an arc-shaped tube structure. The quick disassembly mechanism (3) is mounted on the mounting tube (9), and the quick disassembly mechanism (3) is used for quick connection and disassembly of the docking plate (7) and the docking member (6); A cylinder cover (4), the cylinder cover (4) being arranged at the upper side end of the port of the ventilation cylinder main body (1); A barrel cover opening and closing mechanism (5), the barrel cover opening and closing mechanism (5) comprising a screw rod (11) and a screw handle (12), a threaded hole (10) being provided on the top surface of the barrel cap (2), the screw rod (11) being screwed into the threaded hole (10), the screw handle (12) being fixedly connected to the upper side end of the screw rod (11), and the barrel cover (4) being positioned on the lower side end of the screw rod (11) by means of an upper nut (13) and a lower nut (14); The docking member (6) includes a connecting beam (15) and a docking seat (16), the connecting beam (15) is fixedly welded to the outer wall of the ventilation tube body (1), the docking seat (16) and the connecting beam (15) are integrally formed, and a docking groove (17) is provided on the docking seat (16), a primary positioning hole (18) is provided on the side wall of the docking groove (17), and a secondary positioning hole (19) is provided on the docking plate (7). When the tube cap (2) is actually installed, the docking plate (7) is embedded in the docking groove (17), and at this time, the primary positioning hole (18) and the secondary positioning hole (19) are correspondingly arranged; The quick disassembly and assembly mechanism (3) comprises an annular frame (20), a positioning pin (21), a connecting rod (22) and a reset spring (23), wherein the positioning pin (21) is an arc-shaped rod structure, and the positioning pin (21) is movably arranged in the inner cavity of the mounting tube (9), and a force-bearing seat (24) is integrally formed on the positioning pin (21), and the force-bearing seat (24) is fixedly connected to the annular frame (20) through the connecting rod (22). The reset spring (23) is sleeved on the positioning pin (21), and when the reset spring (23) is in a reset state, the end of the positioning pin (21) passes through the primary positioning hole (18) and the secondary positioning hole (19), and a push rod (25) is fixedly welded to the lower side of the force-bearing seat (24); A cut surface (26) is cut on the side wall of the lower side end of the screw rod (11), and a mounting hole (27) is opened at the center position of the lower side end of the screw rod (11). A first guide groove (28) is opened on the side wall of the mounting hole (27), and an upper rectangular groove (29) and a lower rectangular groove (30) are opened at the bottom of the first guide groove (28). The upper port of the upper nut (13) and the lower port of the lower nut (14) are both opened. There is an air avoidance groove (36), and a circle of engaging grooves (37) are equidistantly provided on the side walls of the air avoidance groove (36). When the upper end face of the upper nut (13) is screwed until it is flush with the upper side end of the cut surface (26), and when the lower nut (14) is actually tightened, the upper rectangular groove (29) and the lower rectangular groove (30) are respectively arranged to correspond to the engaging grooves (37) on the upper nut (13) and the lower nut (14).

2. The easily disassembled marine ventilator according to claim 1, characterized in that: A mounting post (31) is installed in the mounting hole (27), a mounting groove (33) is provided on the side wall of the mounting post (31), a positioning block (34) is movably installed in the mounting groove (33), the cross section of the positioning block (34) is a right-angled trapezoid, and a spring groove is provided at the rear end of the positioning block (34), a support spring (35) is fixedly glued to the bottom of the spring groove, and when the support spring (35) is in a reset state, the front end of the positioning block (34) passes through the upper rectangular groove (29) and is inserted into the engaging groove (37), and the oblique side of the positioning block (34) is arranged toward the upper side.

3. The easily disassembled marine ventilator according to claim 2, characterized in that: The upper and lower side walls of the installation groove (33) are both provided with a second guide groove (38), the upper and lower side edges of the positioning block (34) are both provided with a spring slot (39), and a limiting spring (40) is integrally formed on the side wall of the spring slot (39). When the limiting spring (40) is in a reset state, the end of the limiting spring (40) extends to the outside of the spring slot (39). When the positioning block (34) is actually installed, the limiting spring (40) is embedded in the second guide groove (38), and when the limiting spring (40) abuts against the outer edge of the second guide groove (38), the upper bottom edge of the positioning block (34) is completely in the installation groove (33).

4. The easily disassembled marine ventilator according to claim 3, characterized in that: The inner end of the mounting column (31) is fixedly connected to a holding spring (32), and when the holding spring (32) is in a reset state, the end of the mounting column (31) protrudes outside the mounting hole (27).

5. The easily disassembled marine ventilator according to claim 4, characterized in that: The end of the mounting column (31) is provided with a hexagonal wrench slot (50), and the end of the mounting column (31) is integrally formed with a marking protrusion (51), the direction of the marking protrusion (51) being the same as the end direction of the mounting slot (33).

6. The easily disassembled marine ventilator according to claim 1, characterized in that: A movable hole (43) is provided on the top surface of the tube cap (2), and a movable rod (44) is movably installed in the movable hole (43). The lower side end of the movable rod (44) is fixedly connected to the force plate (45), and a supporting spring (46) is sleeved and installed on the movable rod (44). The two ends of the supporting spring (46) are respectively set against the force plate (45) and the top surface of the tube cap (2). Scale lines (47) are evenly engraved on the movable rod (44). When the tube cover (4) is in a closed state and the force plate (45) is against the tube cap (2) under the action of the supporting spring (46), the upper surface of the tube cap (2) is aligned with the zero scale of the scale line (47).

7. The easily disassembled marine ventilator according to claim 1, characterized in that: The lower end surface of the cylinder cover (4) is provided with a primary sealing groove, in which a primary rubber sealing ring (42) is fixedly embedded. When the cylinder cover (4) is closed, the primary rubber sealing ring (42) is set against the port of the ventilation cylinder body (1). The lower end surface of the upper nut (13) and the upper end surface of the lower nut (14) are both provided with a secondary sealing groove. The secondary sealing groove is a scanning body notch with a right-angled trapezoidal cross-section, and a secondary rubber sealing ring (41) is embedded and installed in the secondary sealing groove. When the upper nut (13) and the lower nut (14) are actually tightened, the secondary rubber sealing ring (41) is in a compressed state.

Images