Ship ventilator with noise reduction structure

Abstract

The utility model relates to the technical field of ships, in particular to a ship ventilator with a silencing structure, which is characterized in that an adjusting threaded rod is screwed and inserted in a top cap through a bearing, a hand wheel is fixedly arranged at the upper end of the adjusting threaded rod, an adjusting plate is movably arranged in the top cap, and an inner cylinder is fixedly arranged at the lower part of the adjusting plate; a resistive silencer is fixedly arranged at the position, below the inner cylinder, in the cylinder body, a first fixing block is fixedly arranged on the right side of the upper portion of the top cap, a roller is rotationally connected to the first fixing block through a shaft and a bearing, a tape is wound around the roller, and a second fixing block is fixedly arranged on the right side of the inner top wall of the top cap. The winding shaft is rotationally connected to the second fixing block through a shaft and a bearing, coil springs are fixedly arranged in the front side wall and the rear side wall of the second fixing block correspondingly, noise can be reduced in the ventilation process, the ventilation quantity can be adjusted according to requirements, and indication of the current adjustment quantity is provided for workers.

Description

Technical Field

[0001] The utility model relates to the technical field of ships, in particular to a ship ventilator with a sound-absorbing structure. Background Art

[0002] The cabins where crew members enter and exit need to be equipped with ventilation systems to ensure air circulation in the cabins and avoid the accumulation of harmful gases. Common ventilation equipment includes ventilators. Existing ventilators will generate large noise during the ventilation process and can only provide opening and closing instructions to the staff, but cannot provide the staff with instructions on the current ventilation volume. Therefore, there is an urgent need for a ship ventilator with a sound-absorbing structure. Utility Model Content

[0003] The utility model aims to solve the defects and shortcomings of the prior art and provide a ship ventilator with a rationally designed sound-absorbing structure to solve the above problems.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme: it comprises a cylinder and a top cap, the top cap is fixedly arranged on the upper part of the cylinder, an annular groove is opened on the lower side wall of the top cap, and a plurality of vents are opened on the top wall of the annular groove at equal rounded angles;

[0005] It also contains:

[0006] An adjusting threaded rod, wherein the adjusting threaded rod is screwed and inserted into the top cap through a bearing, a hand wheel is fixedly arranged at the upper end of the adjusting threaded rod, and a filtering mechanism is arranged in the annular groove;

[0007] An adjusting plate, wherein the adjusting plate is movably arranged in the top cap, and the lower end of the adjusting threaded rod is screwed and threadedly connected to the adjusting plate;

[0008] The inner cylinder is fixedly arranged at the lower part of the adjustment plate and movably arranged in the cylinder body. A plurality of adjusting air ports are arranged on the side wall of the inner cylinder at equal fillet angles. A resistive silencer is fixedly arranged at the lower part of the inner cylinder in the cylinder body.

[0009] A No. 1 fixing block, the No. 1 fixing block is fixedly arranged on the upper right side of the top cap, a roller is screwed on the No. 1 fixing block through a shaft and a bearing, a tape measure is wound around the roller, one end of the tape measure is fixedly connected to the adjustment plate, and a No. 2 fixing block is fixedly arranged on the right side of the top wall inside the top cap;

[0010] The winding shaft is screwed on the second fixed block through the shaft and the bearing, and the front and rear side walls of the second fixed block are fixedly provided with coil springs, one end of the coil spring is fixedly connected to the winding shaft, and the other end of the tape measure is fixedly connected to the winding shaft.

[0011] Preferably, the filtering mechanism comprises:

[0012] Semicircular filter plates, wherein there are two semicircular filter plates, which are respectively arranged on the front and rear sides of the annular groove, and two connecting rods are fixedly arranged on the semicircular filter plates, and the connecting rods are movably inserted on the other semicircular filter plates;

[0013] A number of mounting blocks, which are fixedly mounted on the outer side walls of the two semicircular filter plates respectively, a rectangular rod is movably mounted on the mounting block, and a number two mounting block is fixedly mounted on one end of the rectangular rod;

[0014] Springs, there are several springs, which are movably mounted on several rectangular rods, and the two ends of the springs are fixedly connected to the No. 1 mounting block and the No. 2 mounting block respectively. The No. 1 mounting block and the No. 2 mounting block are both set in abutment in the groove opened on the side wall of the annular groove, and the groove is an "L" shaped structure.

[0015] Preferably, handles are fixedly provided on both left and right sides of the lower portion of the semicircular filter plate.

[0016] Preferably, a transparent protective cover is fixedly provided on the right side of the upper portion of the top cap, and a No. 1 fixing block is arranged inside the transparent protective cover.

[0017] Preferably, a sealing block is fixedly arranged at the lower part of the adjustment plate at an equal rounded corner, and the sealing block is movably arranged in contact with the vent.

[0018] Compared with the prior art, the beneficial effect of the utility model is that the ship ventilator with a silencer structure described in the utility model can not only reduce noise during ventilation, but also adjust the ventilation volume according to demand and provide the staff with an indication of the current adjustment volume. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Figure 2 It is a cross-sectional view of the cylinder and the top cap in the utility model.

[0021] Figure 3 It is an exploded view of the parts of the cylinder body, top cap, inner cylinder, resistive silencer, filtering mechanism and handle in the utility model.

[0022] Figure 4 yes Figure 3 Enlarged view of part A in .

[0023] Figure 5 It is an exploded view of the parts of a No. 1 fixing block, a roller, a measuring tape, a No. 2 fixing block, a winding shaft and a winding spring in the utility model.

[0024] Description of reference numerals:

[0025] Cylinder body 1, top cap 2, vent 3, adjusting threaded rod 4, hand wheel 5, adjusting plate 6, inner cylinder 7, adjusting air outlet 8, resistive silencer 9, No. 1 fixing block 10, roller 11, tape measure 12, No. 2 fixing block 13, reel 14, coil spring 15, filtering mechanism 16, semicircular filter plate 16-1, connecting rod 16-2, No. 1 mounting block 16-3, rectangular rod 16-4, No. 2 mounting block 16-5, spring 16-6, handle 17, transparent protective cover 18, sealing block 19, and slot 20. DETAILED DESCRIPTION

[0026] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the utility model.

[0027] like Figure 1-Figure 5 As shown, this specific embodiment adopts the following technical solution: it comprises a cylinder 1 and a top cap 2, the top of the cylinder 1 is fixed with the top cap 2 by bolts, an annular groove is provided on the lower side wall of the top cap 2, and a plurality of vents 3 are provided on the top wall of the annular groove at equal fillet distribution;

[0028] It also contains:

[0029] An adjusting threaded rod 4 is screwed and inserted into the top cap 2 through a bearing, a hand wheel 5 is fixedly provided on the upper end of the adjusting threaded rod 4, and a filtering mechanism 16 is provided in the annular groove;

[0030] The adjusting plate 6 is movably arranged in the top cap 2. The lower end of the adjusting threaded rod 4 is screwed and penetrated on the adjusting plate 6 by threaded connection. The lower part of the adjusting plate 6 is provided with a sealing block 19 by bolts at equal fillet distribution. The sealing block 19 is movably arranged in contact with the vent 3. In the process of closing the ventilator, the sealing block 19 can realize the sealing of the vent 3, thereby improving the sealing performance of the ventilator in the closed state.

[0031] The inner cylinder 7 is fixedly provided at the lower part of the adjustment plate 6 by bolts, and the inner cylinder 7 is movably provided in the cylinder body 1, and a plurality of adjusting air ports 8 are provided on the side wall of the inner cylinder 7 at equal fillet distribution, and a resistive silencer 9 is fixedly provided in the cylinder body 1 at the lower part of the inner cylinder 7 by bolts;

[0032] A No. 1 fixing block 10 is fixedly arranged on the upper right side of the top cap 2 by bolts, a roller 11 is screwed on the No. 1 fixing block 10 through a shaft and a bearing, a tape measure 12 is wound around the roller 11, one end of the tape measure 12 is fixedly connected to the adjustment plate 6, a No. 2 fixing block 13 is fixedly arranged on the right side of the inner top wall of the top cap 2, a transparent protective cover 18 is fixedly arranged on the upper right side of the top cap 2, the No. 1 fixing block 10 is arranged in the transparent protective cover 18, and the transparent protective cover 18 can not only protect the No. 1 fixing block 10, the roller 11 and the tape measure 12, but also will not cause an impact on the visibility of the tape measure 12;

[0033] A reel 14, the reel 14 is screwed on the second fixed block 13 through a shaft and a bearing, a coil spring 15 is fixedly arranged in the front and rear side walls of the second fixed block 13, one end of the coil spring 15 is fixedly connected to the reel 14, and the other end of the tape measure 12 is fixedly connected to the reel 14;

[0034] The filtering mechanism 16 comprises:

[0035] Semicircular filter plate 16-1, there are two semicircular filter plates 16-1, which are respectively arranged on the front and rear sides of the annular groove. Two connecting rods 16-2 are fixedly arranged on the semicircular filter plate 16-1, and the connecting rod 16-2 is movably inserted on the other semicircular filter plate 16-1. Handles 17 are fixed on the left and right sides of the lower part of the semicircular filter plate 16-1 by bolts. The handles 17 are more convenient for the staff to install and disassemble the semicircular filter plate 16-1;

[0036] A number one mounting block 16-3, wherein the number one mounting blocks 16-3 are several and are respectively fixedly arranged on the outer side walls of the two semicircular filter plates 16-1, a rectangular rod 16-4 is movably provided on the number one mounting block 16-3, and a number two mounting block 16-5 is fixedly arranged at one end of the rectangular rod 16-4;

[0037] Spring 16-6, there are several springs 16-6, which are movably mounted on several rectangular rods 16-4 respectively, and the two ends of the spring 16-6 are fixedly connected to the No. 1 mounting block 16-3 and the No. 2 mounting block 16-5 respectively. The No. 1 mounting block 16-3 and the No. 2 mounting block 16-5 are both set in abutment in the groove 20 opened on the side wall of the annular groove, and the groove 20 is an "L"-shaped structure.

[0038] When using the utility model, the hand wheel 5 can be used to rotate the adjusting threaded rod 4 so that the adjusting plate 6 drives the sealing block 19 and the inner cylinder 7 to move upward, which can not only make the sealing block 19 detach from the vent 3, but also adjust the size of the vent 8 exposed from the cylinder 1, thereby adjusting the amount of air that can be ventilated in the cylinder 1, and in this process, one end of the tape measure 12 will also move upward, so that the winding spring 15 drives the winding shaft 14 to rotate and rewind the tape measure 12. At this time, the staff can judge the height of the top cap 2 where the adjusting plate 6 is located by the value of the tape measure 12 on the roller 11, so as to adjust the current amount of air that can be ventilated by the ventilator. During the ventilation process, the vent 3, the inside of the top cap 2, the inner cylinder 7, the adjusting vent 8 and the inside of the cylinder 1 can form a ventilation channel, and the resistive silencer 9 is used to silence and reduce noise;

[0039] When the semicircular filter plate 16-1 needs to be disassembled for maintenance, the semicircular filter plate 16-1 can be rotated in the annular groove by the handle 17, and the semicircular filter plate 16-1 drives the No. 1 mounting block 16-3 to move toward the No. 2 mounting block 16-5, so that the spring 16-6 is compressed, and the No. 1 mounting block 16-3 and the No. 2 mounting block 16-5 are both located at the notch of the slot 20, and then the semicircular filter plate 16-1 can be moved downward by the handle 17, so that the semicircular filter plate 16-1 drives the No. 1 mounting block 16-3 and the No. 2 mounting block 16-5 to move out of the slot 20, and then the two semicircular filter plates 16-1 are separated to achieve the disassembly of the semicircular filter plate 16-1.

[0040] After adopting the above structure, the beneficial effects of this specific implementation are as follows:

[0041] 1. By adjusting the threaded rod 4, hand wheel 5, adjustment plate 6, inner tube 7, resistive silencer 9, No. 1 fixing block 10, roller 11, tape measure 12, No. 2 fixing block 13, reel 14 and coil spring 15, not only can the noise be reduced during the ventilation process of the ventilator, but also the ventilation volume can be adjusted according to demand, and the current adjustment volume can be indicated to the staff;

[0042] 2. Through the cooperation of the filtering mechanism 16, not only can the filtration at the ventilation opening 3 be achieved to prevent debris from entering the ventilation tube, but it is also convenient for disassembly and maintenance.

[0043] For those skilled in the art, they can modify the technical solutions recorded in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A ship ventilator with a sound-absorbing structure, comprising a cylinder (1) and a top cap (2), wherein the top cap (2) is fixedly arranged on the upper part of the cylinder (1), an annular groove is provided on the lower side wall of the top cap (2), and a plurality of ventilating openings (3) are provided on the top wall of the annular groove at equal fillet distribution; Features: It also contains: An adjusting threaded rod (4), the adjusting threaded rod (4) being screwed and inserted into the top cap (2) via a bearing, a hand wheel (5) being fixedly provided at the upper end of the adjusting threaded rod (4), and a filtering mechanism (16) being provided in the annular groove; An adjustment plate (6), the adjustment plate (6) being movably arranged in the top cap (2), and the lower end of the adjustment threaded rod (4) being threadedly screwed and penetrated on the adjustment plate (6); An inner cylinder (7), wherein the inner cylinder (7) is fixedly arranged at the lower part of the adjustment plate (6), and the inner cylinder (7) is movably arranged in the cylinder body (1), a plurality of adjustment air ports (8) are arranged at equal fillet angles on the side wall of the inner cylinder (7), and a resistive silencer (9) is fixedly arranged in the cylinder body (1) at a position below the inner cylinder (7); A No. 1 fixing block (10), the No. 1 fixing block (10) being fixedly arranged on the upper right side of the top cap (2), a roller (11) being screwed on the No. 1 fixing block (10) via a shaft and a bearing, a tape measure (12) being wound around the roller (11), one end of the tape measure (12) being fixedly connected to the adjustment plate (6), and a No. 2 fixing block (13) being fixedly arranged on the right side of the inner top wall of the top cap (2); A reel (14) is provided on the second fixing block (13) by means of a shaft and a bearing, wherein a coil spring (15) is fixedly provided in both front and rear side walls of the second fixing block (13), one end of the coil spring (15) is fixedly connected to the reel (14), and the other end of the tape measure (12) is fixedly connected to the reel (14).

2. A ship ventilator with a sound-absorbing structure according to claim 1, characterized in that: The filtering mechanism (16) comprises: A semicircular filter plate (16-1), wherein the semicircular filter plates (16-1) are two in number and are disposed on the front and rear sides of the annular groove, respectively; two connecting rods (16-2) are fixedly disposed on the semicircular filter plate (16-1); and the connecting rods (16-2) are movably inserted on the other semicircular filter plate (16-1); A number one mounting block (16-3), wherein the number one mounting blocks (16-3) are multiple and are respectively fixedly arranged on the outer side walls of the two semicircular filter plates (16-1); a rectangular rod (16-4) is movably provided on the number one mounting block (16-3); and a number two mounting block (16-5) is fixedly arranged on one end of the rectangular rod (16-4); Springs (16-6), wherein there are a plurality of springs (16-6) which are movably sleeved on a plurality of rectangular rods (16-4), and the two ends of the springs (16-6) are respectively fixedly connected to a No. 1 mounting block (16-3) and a No. 2 mounting block (16-5), and the No. 1 mounting block (16-3) and the No. 2 mounting block (16-5) are both abutted against each other in a clamping groove (20) provided on the side wall of the annular groove, and the clamping groove (20) is arranged in an "L"-shaped structure.

3. A ship ventilator with a sound-absorbing structure according to claim 2, characterized in that: Handles (17) are fixedly provided on both left and right sides of the lower part of the semicircular filter plate (16-1).

4. A ship ventilator with a sound-absorbing structure according to claim 1, characterized in that: A transparent protective cover (18) is fixedly provided on the right side of the upper portion of the top cap (2), and a No. 1 fixing block (10) is disposed inside the transparent protective cover (18).

5. The ship ventilator with a sound-absorbing structure according to claim 1, characterized in that: Sealing blocks (19) are fixedly arranged at equal fillet angles at the lower part of the adjustment plate (6), and the sealing blocks (19) are movably arranged in contact with the ventilation opening (3).

Images