Efficient mute ventilator

Abstract

The utility model relates to the technical field of ventilators, in particular to an efficient mute ventilator which comprises a bottom plate, four universal wheels are fixedly connected to the bottom face of the bottom plate, a steering device is arranged above the bottom plate, a ventilation device is fixedly installed above the steering device, and when the ventilation device runs to steer, the ventilation device is driven by the universal wheels to rotate. Firstly, a bolt assembly needs to be separated from a locking hole, a first motor is started to drive a first driving gear to rotate, the first driving gear drives a meshed gear ring, and the gear ring drives the upper half section of a plane bearing to rotate, so that the ventilation device is driven by the plane bearing to rotate, and rotation work of the device is completed; the ventilation device can be locked by closing the plug pin assembly and the locking hole, the device can be pulled and transferred by pulling the pull handle, steering of the ventilation device is achieved by arranging the plane bearing and the first motor, and the problem that an existing device is inconvenient to move and adjust in steering is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilators, in particular to a high-efficiency silent ventilator. Background Art

[0002] At present, central air conditioning systems are widely used in office buildings and other office spaces. As the power source of fresh air in the ventilation duct, the ventilator is the core device for delivering fresh air to various office areas. In fact, the low noise index of the ventilator is one of the important indicators for judging the performance of the ventilator. Traditional ventilators have many improvements on low noise, but most of them are sound insulation measures such as adding sound insulation cotton in the ventilation duct.

[0003] At present, there is an existing silent ventilator with a shock absorbing function (such as patent number: CN220396046U), which discloses a silent ventilator with a shock absorbing function, including an air inlet, the air inlet is connected to a pressurized channel, the pressurized channel is a rectangular frame, the pressurized channel is provided with a pressurized roller, the pressurized roller includes multiple groups of blades and a rotating shaft, multiple groups of blades are fixedly connected to the rotating shaft, multiple groups of blades are evenly arranged around the central axis of the rotating shaft, the distance from the central axis of the rotating shaft to the tip of each group of blades is equal to half the side length of the rectangular frame, the length of the rectangular frame is equal to the length of the rotating shaft, the pressurized channel is provided with a first through hole, the rotating shaft is provided in the first through hole, a silent bearing is provided between the rotating shaft and the first through hole, the rotating shaft is connected to a motor through a belt, the motor is fixedly connected to the workstation through a fastening device, and the pressurized channel is connected to an air outlet. The defects of difficult maintenance and high maintenance frequency of traditional ventilators are solved.

[0004] However, during the implementation of the above technical solution, it was found that there were at least the following technical problems:

[0005] 1. The existing device is not provided with a moving mechanism and a steering mechanism, and it is not convenient to adjust the steering to blow air in multiple directions during ventilation work. In addition, the device adopts a motor that is separated from the device body. When moving the device, the motor needs to be disassembled and carried separately. Therefore, the existing device has the problem of being inconvenient to move and steer.

[0006] 2. The existing device is particularly suitable for use inside central air conditioners, and is not convenient for use in other scenarios, such as factories, construction sites, or some scenarios where natural ventilation is inconvenient, and has the problem of low applicability. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] In view of the deficiencies of the prior art, the utility model provides a high-efficiency silent ventilator, which solves the technical problems that the prior art devices are inconvenient to move and turn and have low applicability.

[0009] (II) Technical solution

[0010] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0011] A high-efficiency silent ventilator comprises a base plate, the bottom surface of which is fixedly connected with four universal wheels, a steering device is arranged above the base plate, a ventilation device is fixedly installed above the steering device, the steering device comprises a plane bearing, the ventilation device comprises an air inlet pipe, a mounting pipe and an air outlet pipe, the air inlet pipe and the mounting pipe are fixedly connected, one end of the mounting pipe away from the air inlet pipe is fixedly connected to the air outlet pipe, and sound insulation foam panels are arranged on the inner sides of the air inlet pipe, the mounting pipe and the air outlet pipe.

[0012] Preferably: a locking hole is provided on the top surface of the bottom plate, the steering device further comprises a first motor, a rotating shaft end of the first motor is fixedly connected to a first driving gear, an outer ring of the upper half of the plane bearing is fixedly connected to a gear ring, and the gear ring is meshed and clamped with the first driving gear.

[0013] Preferably: one end of the plane bearing away from the base plate is fixedly connected to the mounting tube, silent bearings are fixedly installed on both sides of the mounting tube, a transmission shaft is connected inside the two silent bearings for common rotation, a pressure roller is fixedly installed on one end of the transmission shaft located on the inner side of the mounting tube, a sound insulation felt plate is fixedly installed on the top surface of the mounting tube by four screws, and a fixing groove is provided on the side of the sound insulation felt plate away from the mounting tube.

[0014] Preferably: a handle is fixedly connected to the top surface of the air inlet duct, a protective net is fixedly installed on the inner side of one end of the air inlet duct away from the mounting tube, a latch assembly is fixedly installed on one end of the air inlet duct close to the first motor, the latch assembly includes a latch body, a latch fixing sleeve and two latch baffles, and the latch body and the locking hole are located on the same vertical line.

[0015] Preferably: a fixing frame is fixedly connected to the top surface of the sound insulation felt board, two docking plates are fixedly connected to one end of the fixing frame close to the first motor, two rubber pads are fixedly connected to the inner side of the fixing frame, a second motor is fixedly installed above the fixing groove, two sides of the second motor are in contact with the rubber pads, and a docking groove is provided on one end of the top surface of the fixing frame close to the docking plate.

[0016] Preferably: the output shaft end of the second motor is fixedly connected to the second driving gear, the second driving gear is meshed and clamped with the first driven gear, the inner side of the first driven gear is rotatably connected to a connecting rod, the end of the connecting rod away from the first driven gear is fixedly connected to the mounting tube, the first driven gear is also meshed and clamped with the second driven gear, and the second driven gear is fixedly connected to the transmission shaft.

[0017] Preferably: a sound insulation board is provided on one side of the mounting tube close to the second driven gear, two connecting parts are fixedly connected to the bottom surface of the sound insulation board, the connecting parts are fixedly connected to the mounting tube through threaded bolts, a clamping plate is fixedly connected to the top surface of the sound insulation board, the clamping plate is slidably connected in the docking groove, docking blocks are fixedly connected to both sides of the upper half of the sound insulation board, the docking block and the docking plate are arranged parallel to each other, six screw holes are provided on the docking block and the docking plate, and the screw holes of the docking block and the docking plate are both threadedly connected with screws.

[0018] (III) Beneficial effects

[0019] 1. When the device is running and turning, it is first necessary to separate the latch assembly from the locking hole, start the first motor to drive the first driving gear to rotate, the first driving gear drives the meshing gear ring, and the gear ring drives the upper half of the plane bearing to rotate, so that the ventilation device is driven to rotate by the plane bearing to complete the rotation of the device. When the device needs to be moved, the latch assembly and the locking hole can be closed to lock the ventilation device, and the device can be pulled and transferred by pulling the handle. By setting the plane bearing and the first motor, the turning of the ventilation device is realized, and the problem that the existing device is inconvenient to move and turn is solved.

[0020] 2. The device is provided with a base plate, universal wheels, a handle, a protective net and a latch assembly, and the second motor of the device is fixedly installed on the ventilation device, so that the device can be applied to most scenarios. When the device is running, there are air inlet pipes, installation pipes, air outlet pipes and sound insulation boards to block noise, so that the noise during the operation of the device is low, which solves the problem of low applicability of existing devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings.

[0022] Figure 1 This is the overall structure diagram of the device of the utility model;

[0023] Figure 2 This is a semi-disassembled structural diagram of the entire device of the utility model;

[0024] Figure 3 It is a partial exploded structural diagram of the device of the utility model;

[0025] Figure 4 This is an exploded structural diagram of the base plate and ventilation device of the utility model.

[0026] Legend: 1. Bottom plate; 2. Air inlet pipe; 3. Mounting pipe; 4. Air outlet pipe; 5. Sound insulation felt board; 6. Second motor; 7. Fixing frame; 8. Sound insulation board; 9. Latch assembly; 101. Universal wheel; 102. Locking hole; 103. First motor; 104. First driving gear; 105. Plane bearing; 106. Gear ring; 201. Handle; 202. Protective net; 301. Transmission shaft; 302. Silent bearing; 303. Pressurized roller; 501. Fixing groove; 601. Second driving gear; 602. First driven gear; 603. Connecting rod; 604. Second driven gear; 701. Rubber pad; 702. Docking groove; 703. Docking plate; 801. Connecting piece; 802. Snap-in plate; 803. Docking block. DETAILED DESCRIPTION

[0027] The embodiment of the present application provides a high-efficiency silent ventilator, which effectively solves the problem that the existing devices are difficult to move and turn and have low applicability.

[0028] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the technical solution in the embodiment of the present application effectively solves the technical problems that the existing device is inconvenient to move and turn and has low applicability. The overall idea is as follows:

[0029] In view of the problems existing in the prior art, the utility model provides a high-efficiency silent ventilator, comprising a base plate 1, four universal wheels 101 are fixedly connected to the bottom surface of the base plate 1, a steering device is arranged above the base plate 1, a ventilation device is fixedly installed above the steering device, the steering device comprises a plane bearing 105, the ventilation device comprises an air inlet pipe 2, a mounting pipe 3 and an air outlet pipe 4, the air inlet pipe 2 and the mounting pipe 3 are fixedly connected, one end of the mounting pipe 3 away from the air inlet pipe 2 is fixedly connected to the air outlet pipe 4, and the inner sides of the air inlet pipe 2, the mounting pipe 3 and the air outlet pipe 4 are all provided with sound insulation foam panels.

[0030] A locking hole 102 is provided on the top surface of the base plate 1, and the steering device further includes a first motor 103, a first driving gear 104 is fixedly connected to the rotating shaft end of the first motor 103, and a gear ring 106 is fixedly connected to the outer ring of the upper half of the plane bearing 105, and the gear ring 106 is meshed and clamped with the first driving gear 104.

[0031] One end of the plane bearing 105 away from the base plate 1 is fixedly connected to the mounting tube 3, and silent bearings 302 are fixedly installed on both sides of the mounting tube 3. A transmission shaft 301 is connected and rotated together inside the two silent bearings 302. A pressure roller 303 is fixedly installed on one end of the transmission shaft 301 located on the inner side of the mounting tube 3. A sound insulation felt plate 5 is fixedly installed on the top surface of the mounting tube 3 by four screws, and a fixing groove 501 is opened on the side of the sound insulation felt plate 5 away from the mounting tube 3.

[0032] A handle 201 is fixedly connected to the top surface of the air inlet duct 2, a protective net 202 is fixedly installed on the inner side of one end of the air inlet duct 2 away from the mounting tube 3, a latch assembly 9 is fixedly installed on one end of the air inlet duct 2 close to the first motor 103, the latch assembly 9 includes a latch body, a latch fixing sleeve and two latch baffles, and the latch body and the locking hole 102 are located on the same vertical line.

[0033] The top surface of the sound insulation felt board 5 is fixedly connected to a fixing frame 7, and one end of the fixing frame 7 close to the first motor 103 is fixedly connected to two docking plates 703, and the inner side of the fixing frame 7 is fixedly connected to two rubber pads 701. A second motor 6 is fixedly installed above the fixing groove 501, and both sides of the second motor 6 are in contact with the rubber pads 701. A docking groove 702 is provided on one end of the top surface of the fixing frame 7 close to the docking plate 703.

[0034] The output shaft end of the second motor 6 is fixedly connected to the second driving gear 601, and the second driving gear 601 is meshed and clamped with the first driven gear 602. The first driven gear 602 is rotatably connected to the inner side of the connecting rod 603, and the end of the connecting rod 603 away from the first driven gear 602 is fixedly connected to the mounting tube 3. The first driven gear 602 is also meshed and clamped with the second driven gear 604, and the second driven gear 604 is fixedly connected to the transmission shaft 301.

[0035] A sound insulation board 8 is provided on one side of the mounting tube 3 close to the second driven gear 604, and two connecting members 801 are fixedly connected to the bottom surface of the sound insulation board 8, and the connecting members 801 are fixedly connected to the mounting tube 3 through threaded connection with bolts, and a clamping plate 802 is fixedly connected to the top surface of the sound insulation board 8, and the clamping plate 802 is slidably connected in the docking groove 702, and docking blocks 803 are fixedly connected to both sides of the upper half of the sound insulation board 8, and the docking blocks 803 are arranged parallel to the docking plate 703, and the docking blocks 803 and the docking plate 703 are both provided with six screw holes, and the screw holes of the docking blocks 803 and the docking plate 703 are both threadedly connected with screws.

[0036] When the device is running and turning, it is first necessary to separate the latch assembly 9 from the locking hole 102, start the first motor 103 to drive the first driving gear 104 to rotate, the first driving gear 104 drives the meshing gear ring 106, and the gear ring 106 drives the upper half of the plane bearing 105 to rotate, so that the ventilation device is driven to rotate by the plane bearing 105 to complete the rotation of the device. When the device needs to be moved, the latch assembly 9 and the locking hole 102 can be closed to lock the ventilation device, and the device can be pulled and transferred by pulling the handle 201, which solves the problem that the existing device is inconvenient to move and turn.

[0037] Working principle:

[0038] In the first step, the ventilation device as a whole drives the second driving gear 601 through the rotation of the second motor 6, the second driving gear 601 drives the meshing first driven gear 602 to rotate, the first driven gear 602 drives the second driven gear 604 to rotate, and the second driven gear 604 drives the second driving gear 601 to rotate in the silent bearing 302, thereby driving the pressure roller 303 to rotate, sucking air from the air inlet pipe 2 ends, and then pressurized by the pressure roller 303 and blown out from the air outlet pipe 4, the protective net 202 plays a protective role, the sound insulation board 8 blocks the noise generated by the second motor 6, the second driving gear 601, the first driven gear 602 and the second driven gear 604, the sound insulation felt board 5 and the rubber pad 701 reduce the vibration and noise generated when the second motor 6 is started, and the ventilation and noise reduction of the device are completed.

[0039] In the second step, when the device is running and turning, it is first necessary to separate the latch assembly 9 from the locking hole 102, start the first motor 103 to drive the first driving gear 104 to rotate, the first driving gear 104 drives the meshing gear ring 106, and the gear ring 106 drives the upper half of the plane bearing 105 to rotate, so that the ventilation device is driven to rotate by the plane bearing 105 to complete the rotation of the device. When the device needs to be moved, the latch assembly 9 and the locking hole 102 can be closed to lock the ventilation device, and the device can be pulled and transferred by pulling the handle 201.

[0040] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A high-efficiency silent ventilator, comprising a bottom plate (1), characterized in that: Four universal wheels (101) are fixedly connected to the bottom surface of the bottom plate (1), a steering device is provided above the bottom plate (1), and a ventilation device is fixedly installed above the steering device; Wherein, the steering device includes a plane bearing (105); The ventilation device comprises an air inlet pipe (2), a mounting pipe (3) and an air outlet pipe (4); the air inlet pipe (2) and the mounting pipe (3) are fixedly connected; one end of the mounting pipe (3) away from the air inlet pipe (2) is fixedly connected to the air outlet pipe (4); and sound insulation foam panels are arranged on the inner sides of the air inlet pipe (2), the mounting pipe (3) and the air outlet pipe (4).

2. A high-efficiency silent ventilator as claimed in claim 1, characterized in that: The top surface of the bottom plate (1) is provided with a locking hole (102), the steering device further comprises a first motor (103), the rotating shaft end of the first motor (103) is fixedly connected to a first driving gear (104), the outer ring of the upper half of the plane bearing (105) is fixedly connected to a gear ring (106), and the gear ring (106) is meshed and clamped with the first driving gear (104).

3. A high-efficiency silent ventilator as claimed in claim 2, characterized in that: One end of the plane bearing (105) away from the bottom plate (1) is fixedly connected to the mounting tube (3); silent bearings (302) are fixedly installed on both sides of the mounting tube (3); a transmission shaft (301) is rotatably connected inside the two silent bearings (302); a pressure roller (303) is fixedly installed on one end of the transmission shaft (301) located inside the mounting tube (3); a sound insulation felt plate (5) is fixedly installed on the top surface of the mounting tube (3) by means of four screws; a fixing groove (501) is provided on the side of the sound insulation felt plate (5) away from the mounting tube (3).

4. A high-efficiency silent ventilator as claimed in claim 1, characterized in that: A handle (201) is fixedly connected to the top surface of the air inlet pipe (2), a protective net (202) is fixedly installed on the inner side of one end of the air inlet pipe (2) away from the mounting pipe (3), and a latch assembly (9) is fixedly installed on one end of the air inlet pipe (2) close to the first motor (103), wherein the latch assembly (9) comprises a latch body, a latch fixing sleeve and two latch baffles, and the latch body and the locking hole (102) are located on the same vertical line.

5. A high-efficiency silent ventilator as claimed in claim 3, characterized in that: The top surface of the sound insulation felt plate (5) is fixedly connected to a fixing frame (7), one end of the fixing frame (7) close to the first motor (103) is fixedly connected to two docking plates (703), the inner side of the fixing frame (7) is fixedly connected to two rubber pads (701), a second motor (6) is fixedly installed above the fixing groove (501), two sides of the second motor (6) are in contact with the rubber pads (701), and a docking groove (702) is provided on the top surface of the fixing frame (7) close to the docking plate (703).

6. A high-efficiency silent ventilator as claimed in claim 5, characterized in that: The output shaft end of the second motor (6) is fixedly connected with a second driving gear (601), the second driving gear (601) is meshed and clamped with a first driven gear (602), the inner side of the first driven gear (602) is rotatably connected with a connecting rod (603), one end of the connecting rod (603) away from the first driven gear (602) is fixedly connected to the mounting tube (3), the first driven gear (602) is also meshed and clamped with a second driven gear (604), and the second driven gear (604) is fixedly connected to the transmission shaft (301).

7. A high-efficiency silent ventilator as claimed in claim 5, characterized in that: A sound insulation board (8) is arranged on one side of the mounting tube (3) close to the second driven gear (604); two connecting members (801) are fixedly connected to the bottom surface of the sound insulation board (8); the connecting members (801) are fixedly connected to the mounting tube (3) by means of bolts connected by threads; a clamping plate (802) is fixedly connected to the top surface of the sound insulation board (8); the clamping plate (802) is slidably connected to the docking groove (702); docking blocks (803) are fixedly connected to both sides of the upper half of the sound insulation board (8); the docking blocks (803) and the docking plates (703) are arranged in parallel; the docking blocks (803) and the docking plates (703) are both provided with six screw holes; the screw holes of the docking blocks (803) and the docking plates (703) are both threadedly connected with screws.

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