Silencing static pressure box

Abstract

The utility model relates to the technical field of noise reduction plenum chambers, and discloses a noise reduction plenum chamber which comprises a noise reduction plenum chamber body, an installation connecting pad is arranged at the bottom of the noise reduction plenum chamber body, and an installation connecting frame is installed at the top of the installation connecting pad. The device is provided with a connecting device, after the silencing plenum chamber body and the mounting connecting pad are fixedly connected, a metal threaded rod is in threaded connection with a corresponding part, a rotary connecting frame is clamped into a corresponding mounting connecting groove, and a magnet mounting sleeve on the outer side of the rotary connecting frame is also attached to the outer side of a mounting handle plate to complete limiting and locking; the purpose that the installation connecting pad and the silencing plenum chamber body are convenient to disassemble and assemble is achieved. The device is provided with the stabilizing device, when the installation connecting pad at the bottom of the silencing plenum chamber body is placed at the corresponding position for installation, one end of the stabilizing frame is attached to the corresponding face of the outer side of the installation connecting pad placing position, and the stability of the connecting position after the silencing plenum chamber body and the installation connecting pad are installed is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of silencing static pressure boxes, in particular to a silencing static pressure box. Background Art

[0002] The static pressure box is a necessary accessory for the air supply system to reduce dynamic pressure, increase static pressure, stabilize airflow and reduce airflow vibration, which can make the air supply effect more ideal. The static pressure box is a device that allows airflow to pass through and can effectively prevent or weaken the sound energy from propagating outward. The static pressure box is widely used in fire smoke exhaust and ventilation systems in office buildings, high-end hotels, cinemas, industrial and mining plants, shopping malls, hospitals, basements and high-end residential buildings. It can also be used as a supporting equipment for purifying and regulating the air. The anechoic static pressure box is a necessary accessory for the fan air supply system to reduce dynamic pressure, increase static pressure, stabilize airflow and reduce airflow vibration, which can make the air supply effect more ideal. The anechoic static pressure box is a device that allows airflow to pass through and can effectively prevent or weaken the sound energy from propagating outward;

[0003] A Chinese patent discloses a silencing nozzle static pressure box (authorization announcement number CN 218480742 U), which includes a static pressure box body, an inlet pipe is fixedly inserted in the middle of one side of the static pressure box body, an outlet pipe is fixedly inserted in the middle of one side of the static pressure box body, and an adjustment component is arranged inside the static pressure box body, and the adjustment component includes two baffles, a movable plate and an outlet component. The beneficial effects of the utility model are: the baffle is driven to rotate by a movable shaft arranged in the adjustment component, and when it is rotated to an appropriate position, the fixed rod is held and pulled upward to cooperate with the installation connecting rod and the spring to elastically move the card block inside the installation groove, and when it needs to be fixed, the card block is fixed with the card groove, and the baffle is fixed at an appropriate angle, and the rolling ball arranged in the outlet component is engaged with the card ball groove, which can be engaged and rotated to adjust to different angles for use, so that the airflow direction is adjusted to adjust the wind direction up and down, which is conducive to improving the use effect;

[0004] However, the above-mentioned silencer static pressure box is cumbersome to install and disassemble during use, and there is a problem of low disassembly efficiency; therefore, those skilled in the art provide a silencer static pressure box to solve the problems raised in the above-mentioned background technology. Utility Model Content

[0005] The purpose of the utility model is to provide a sound-absorbing static pressure box to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a silencer static pressure box, comprising a silencer static pressure box body, a mounting connection pad is arranged at the bottom of the silencer static pressure box body, a mounting connection frame is installed on the top of the mounting connection pad, a connecting device is arranged on the outside of the mounting connection pad, and a stabilizing device extending to the outside is embedded in the inside of the mounting connection pad;

[0007] The connecting device includes a connecting mounting plate, a mounting seat is fixed on the top of the connecting mounting plate, a connecting bracket is arranged on one side of the mounting seat, a connecting mounting block is fixed on one end of the connecting bracket, a mounting connecting rod is arranged on the top of the mounting seat, a shielding mounting plate is arranged on the top of the mounting connecting rod, a rotating connecting frame is rotatably connected to the outer side of the mounting connecting rod, a magnet mounting sleeve is fixed to the outer side of the rotating connecting frame, a metal threaded rod passing through the bottom thereof is movably inserted into the top of the connecting mounting plate, a mounting handle plate is installed on the top of the metal threaded rod, and a mounting connecting groove is opened on the outer side of the mounting handle plate.

[0008] As a further solution of the utility model: a metal mounting rod is installed on the outer side of the silencer static pressure box body, and a mounting connection sleeve is installed on the outer side of the metal mounting rod.

[0009] As a further solution of the utility model: the connection mounting plate and the installation connection pad are fixedly connected, and the size of the installation connection groove is adapted to the size of the rotating connection frame.

[0010] As a further solution of the utility model: the stabilizing device includes a protective shell, a connecting and mounting pad is fixed to the inner wall of one side of the protective shell, a reset spring is connected to one side of the connecting and mounting pad, one end of the reset spring is connected to a movable seat, a stabilizing frame is fixed to one side of the movable seat, a bending frame is arranged on the outer side of the movable seat, a movable connecting block is installed on the outer side of the bending frame, and a movable mounting sleeve is arranged on the outer side of the movable connecting block.

[0011] As a further solution of the utility model: the outer side of the movable installation sleeve is rotatably connected to a guide wheel via a rotating shaft, and a connecting sliding block is provided on one side of the movable seat.

[0012] As a further solution of the utility model: the protective shell is embedded and fixed inside the installation connection pad, and the insides of the protective shell and the installation connection pad are both provided with connection holes to accommodate the movement of the stabilizing frame.

[0013] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0014] 1. The device is provided with a connection device. When the main body of the silencer plenum box and the installation connection pad are fixedly connected, the metal threaded rod is threadedly connected to the corresponding part, the rotating connection frame is inserted into the corresponding installation connection groove, and the magnet installation sleeve on the outside of the rotating connection frame is also attached to the outside of the installation handle plate to complete the limit and lock. When the installation connection pad and the main body of the silencer plenum box need to be disassembled, the metal threaded rod is easy to disassemble, thereby achieving the purpose of facilitating the disassembly and assembly of the installation connection pad and the main body of the silencer plenum box;

[0015] 2. The device is provided with a stabilizing device. When the installation connection pad at the bottom of the silencer plenum box body is placed at the corresponding position for installation, one end of the stabilizing frame fits with the corresponding surface outside the placement position of the installation connection pad, thereby improving the stability of the connection position between the silencer plenum box body and the installation connection pad after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the connecting device of the utility model;

[0019] Figure 3 It is a schematic diagram of the structure of the stabilizing device of the utility model;

[0020] In the figure: 1. Silencer static pressure box body; 2. Install the connecting pad; 3. Install the connecting frame; 4. Connecting device; 41. Connect the mounting plate; 42. Mounting seat; 43. Connect the bracket; 44. Connect the mounting block; 45. Install the connecting rod; 46. Shielding mounting plate; 47. Rotating connecting frame; 48. Magnet mounting sleeve; 49. Metal threaded rod; 410. Install the handle plate; 411. Install the connecting groove; 5. Metal mounting rod; 6. Install the connecting sleeve; 7. Stabilizing device; 71. Protective shell; 72. Connect the mounting pad; 73. Reset spring; 74. Moving seat; 75. Stabilizing frame; 76. Bending frame; 77. Moving connecting block; 78. Movable mounting sleeve; 79. Guide wheel; 710. Connect the sliding block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 2 The utility model provides a muffler static pressure box, comprising a muffler static pressure box body 1, a mounting connection pad 2 is arranged at the bottom of the muffler static pressure box body 1, a mounting connection frame 3 is installed on the top of the mounting connection pad 2, a connecting device 4 is arranged on the outside of the mounting connection pad 2, a stabilizing device 7 extending to the outside is embedded in the mounting connection pad 2, a metal mounting rod 5 is installed on the outside of the muffler static pressure box body 1, and a mounting connection sleeve 6 is installed on the outside of the metal mounting rod 5;

[0023] The connecting device 4 includes a connecting mounting plate 41, a mounting seat 42 is fixed on the top, a connecting bracket 43 is provided on one side of the mounting seat 42, a connecting mounting block 44 is fixed on one end of the connecting bracket 43, a mounting connecting rod 45 is provided on the top of the mounting seat 42, a shielding mounting plate 46 is provided on the top of the mounting connecting rod 45, a rotating connecting frame 47 is rotatably connected to the outer side of the mounting connecting rod 45, a magnet mounting sleeve 48 is fixed to the outer side of the rotating connecting frame 47, a metal threaded rod 49 running through the bottom is movably inserted at the top of the connecting mounting plate 41, a mounting handle plate 410 is installed on the top of the metal threaded rod 49, a mounting connecting groove 411 is provided on the outer side of the mounting handle plate 410, the connecting mounting plate 41 and the mounting connecting pad 2 are fixedly connected, and the size of the mounting connecting groove 411 is adapted to the size of the rotating connecting frame 47.

[0024] During the use of this device, after the silencer static pressure box body 1 and the installation connection pad 2 are fixedly connected, the installation connection pad 2 needs to be fixed to the top of the corresponding installation position by bolts. First, the installation connection pad 2 is placed in the corresponding position together with the silencer static pressure box body 1, and then the connecting device 4 on the outside of the installation connection pad 2 is placed in the corresponding position at the same time. Then, the installation handle plate 410 is held to pass the metal threaded rod 49 through the installation connection pad 2, so that the metal threaded rod 49 is threadedly connected to the corresponding position, and at this time, the rotating connecting frame 47 is inserted into the corresponding installation connection groove 411, and the magnet mounting sleeve 48 on the outside of the rotating connecting frame 47 is also attached. The mounting handle plate 410 is closed on the outside of the mounting handle plate 410 to complete the limiting and locking. When the mounting connection pad 2 and the silencer static pressure box body 1 need to be disassembled, it is only necessary to move the magnet mounting sleeve 48 to drive the rotating connecting frame 47 to rotate on the outside of the mounting connection rod 45. At this time, the rotating connecting frame 47 is disengaged from the corresponding mounting connection groove 411. After the limiting of the mounting handle plate 410 is released, the mounting handle plate 410 and the metal threaded rod 49 are compared with traditional bolts. The top of the mounting handle plate 410 has a raised mounting handle plate 410 as a handle, which makes it easy to disassemble the metal threaded rod 49, thereby achieving the purpose of facilitating the disassembly and assembly of the mounting connection pad 2 and the silencer static pressure box body 1.

[0025] See also Figure 1 and Figure 3The utility model provides a silencer static pressure box, the stabilizing device 7 includes a protective shell 71, a connecting and mounting pad 72 is fixed to the inner wall of one side of the protective shell 71, a return spring 73 is connected to one side of the connecting and mounting pad 72, one end of the return spring 73 is connected to a movable seat 74, a stabilizing frame 75 is fixed to one side of the movable seat 74, the protective shell 71 is embedded and fixed in the interior of the mounting and connecting pad 2, the interiors of the protective shell 71 and the mounting and connecting pad 2 are both provided with connecting holes for accommodating the movement of the stabilizing frame 75, a bending frame 76 is arranged on the outer side of the movable seat 74, a movable connecting block 77 is installed on the outer side of the bending frame 76, a movable mounting sleeve 78 is arranged on the outer side of the movable mounting sleeve 78, the outer side of the movable mounting sleeve 78 is rotatably connected to a guide wheel 79 through a rotating shaft, and a connecting sliding block 710 is arranged on one side of the movable seat 74.

[0026] When the device is in use, when the installation connection pad 2 at the bottom of the silencer static pressure box body 1 is placed at the corresponding position for installation, the return spring 73 on one side of the connection installation pad 72 provides elastic force to push the movable seat 74 to move. At this time, the connection sliding block 710 and the bending frame 76 on the outside of the movable seat 74 move at the same time, and the bending frame 76 can drive the movable connection block 77 and the movable installation sleeve 78 to move, so that the guide wheel 79 on the outside of the movable installation sleeve 78 plays a guiding role. One end of the stabilizing frame 75 extends to the outside of the protective shell 71 to squeeze the outside of the installation connection pad 2 placement position, and one end of the stabilizing frame 75 is in contact with the corresponding surface of the outside of the installation connection pad 2 placement position, thereby improving the stability of the connection position after the silencer static pressure box body 1 and the installation connection pad 2 are installed.

[0027] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A silencing plenum box, comprising a silencing plenum box body (1), characterized in that: The bottom of the muffler plenum box body (1) is provided with a mounting connection pad (2), the top of the mounting connection pad (2) is provided with a mounting connection frame (3), the outer side of the mounting connection pad (2) is provided with a connection device (4), and the interior of the mounting connection pad (2) is embedded with a stabilizing device (7) extending to the outside; The connecting device (4) comprises a connecting mounting plate (41), a mounting seat (42) is fixed on the top of the connecting mounting plate (41), a connecting bracket (43) is arranged on one side of the mounting seat (42), a connecting mounting block (44) is fixed on one end of the connecting bracket (43), a mounting connecting rod (45) is arranged on the top of the mounting seat (42), a shielding mounting plate (46) is arranged on the top of the mounting connecting rod (45), a rotating connecting frame (47) is rotatably connected to the outer side of the mounting connecting rod (45), a magnet mounting sleeve (48) is fixed to the outer side of the rotating connecting frame (47), a metal threaded rod (49) running through the bottom of the connecting mounting plate (41) is movably inserted at the top of the connecting mounting plate (41), a mounting handle plate (410) is installed on the top of the metal threaded rod (49), and a mounting connecting groove (411) is provided on the outer side of the mounting handle plate (410).

2. A silencing static pressure box according to claim 1, characterized in that: A metal mounting rod (5) is mounted on the outer side of the silencer static pressure box body (1), and a mounting connection sleeve (6) is mounted on the outer side of the metal mounting rod (5).

3. A silencing static pressure box according to claim 1, characterized in that: The connection mounting plate (41) and the installation connection pad (2) are fixedly connected, and the size of the installation connection groove (411) is adapted to the size of the rotating connection frame (47).

4. The silencing static pressure box according to claim 1, characterized in that: The stabilizing device (7) comprises a protective shell (71), a connecting and mounting pad (72) is fixed to an inner wall of one side of the protective shell (71), a return spring (73) is connected to one side of the connecting and mounting pad (72), one end of the return spring (73) is connected to a movable seat (74), a stabilizing frame (75) is fixed to one side of the movable seat (74), a bending frame (76) is arranged on the outer side of the movable seat (74), a movable connecting block (77) is installed on the outer side of the bending frame (76), and a movable mounting sleeve (78) is arranged on the outer side of the movable connecting block (77).

5. A sound-absorbing static pressure box according to claim 4, characterized in that: The outer side of the movable installation sleeve (78) is rotatably connected to a guide wheel (79) via a rotating shaft, and a connecting sliding block (710) is provided on one side of the movable seat (74).

6. A silencing static pressure box according to claim 4, characterized in that: The protective shell (71) is embedded and fixed inside the mounting connection pad (2), and the insides of the protective shell (71) and the mounting connection pad (2) are both provided with connection holes for accommodating the movement of the stabilizing frame (75).

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