CN215216572U

CN215216572U - Mute wall-mounted fresh air machine

Info

Publication number: CN215216572U
Application number: CN202121542374.8U
Authority: CN
Inventors: 孙新年
Original assignee: Henan Chelan Environmental Protection Technology Co ltd
Current assignee: Henan Chelan Environmental Protection Technology Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-17
Anticipated expiration: 2031-07-08

Abstract

The utility model provides a wall-hanging new fan of hush air, should include: a housing having a front housing and a rear housing. The scroll is fixed in the front shell through a scroll flexible connecting piece, and the scroll flexible connecting piece is used for fixing the scroll and reducing the transmission of vibration. The motor is fixed in the volute through a flexible motor connecting piece, and the flexible motor connecting piece is used for fixing the motor and reducing the transmission of vibration. The inside filter core that is provided with of back casing for filter gas. This new fan built-in damping structure greatly reduced vibration and noise when new fan operation promote new fan's use and experience. In addition, this new fan casing is easily dismantled, makes things convenient for later maintenance and filter core to change.

Description

Mute wall-mounted fresh air machine

Technical Field

The utility model relates to a new fan technical field especially relates to new fan of hush air, specifically is wall-hanging new fan of hush air.

Background

With the improvement of the national standard of living, the requirement for indoor air is gradually increased, and how to efficiently and rapidly replace the indoor air is a main subject of research in the field at present. The new fan is born with the birth, and the new fan is widely applied at present and is in an indispensable position in modern social production. According to different use requirements and use scenes, the rotating speed of the fresh air fan is different. When the new fan is in high rotational speed, vibration and noise can be brought relatively. Moreover, the vibration can bring certain damage to the equipment, and the noise can influence the production and life quality of people. Effectively reduce the vibration and the running noise of fan, the noise condition when will help improving new fan and use promotes and uses experience.

The existing new fan on the market performs vibration reduction by improving the precision of the rotating shaft, but although the vibration reduction effect is greatly improved, the cost is too high, and further vibration reduction is difficult to perform. When new fan need carry out the operation of higher speed, vibration and noise are still very serious, and the pivot of high accuracy can make later maintenance cost promote. In addition, the field can also reduce the noise by arranging the sound-insulation sponge in the shell, but the sound-insulation sponge plays a certain noise reduction effect, but is not beneficial to the heat dissipation of the fan, so that great potential safety hazards are generated. The vibration problem can not be solved by the sound insulation sponge. In addition, the existing new fan is difficult to disassemble, and the maintenance work of the new fan is difficult.

The technical personnel in the field need a new fan that simple structure, damping and noise reduction are effectual, and easily dismantle, convenient maintenance and filter core are changed urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a wall-hanging new fan of silence type. This new fan simple structure, through built-in damping structure, vibration and noise when greatly reduced new fan moves promote new fan's use and experience. In addition, this new fan casing is easily dismantled, makes things convenient for later maintenance and filter core to change.

The utility model provides a wall-hanging new fan of hush air type, this new fan includes: a housing having a front housing and a rear housing; a volute is fixed in the front shell through a volute flexible connecting piece, and the volute flexible connecting piece is used for fixing the volute and reducing the transmission of vibration; a motor is fixed in the volute through a flexible motor connecting piece, and the flexible motor connecting piece is used for fixing the motor and reducing the transmission of vibration; and a filter element is arranged in the rear shell and used for filtering gas.

In an embodiment of the present invention, the housing is provided with a guide rail structure for separating the front housing and the rear housing on a fixed rail; the guide rail structure comprises a guide groove and a guide pillar, wherein the guide groove is arranged on the front shell, the guide pillar is arranged on the rear shell, and the guide pillar slides forwards and backwards in the guide groove; or the guide rail structure comprises a guide groove and a guide post, wherein the guide groove is arranged on the rear shell, the guide post is arranged on the front shell, and the guide post slides forwards and backwards in the guide groove.

The utility model discloses an among the embodiment, install the turbine on the motor, the turbine is outer along being the ring channel, the volute is outer along stretching into in the ring channel for the turbine moves sealedly.

The utility model discloses an among the embodiment, the procapsid with be provided with buckle structure on the back casing, be used for fixed connection the procapsid with back casing.

In the embodiment of the utility model, the rear shell is provided with an air inlet, and the air inlet corresponds to the position of the filter element; an air outlet is formed in the front shell and communicated with the volute outlet.

Furthermore, a sealing ring is arranged at the joint of the volute outlet and the air outlet and used for sealing the shell and reducing the transmission efficiency of vibration.

Furthermore, the air inlet is provided with a hood for preventing sundries from entering the shell.

In the embodiment of the present invention, the longitudinal section of the flexible scroll connecting piece is i-shaped, the flexible scroll connecting piece is fixed to the front housing by a fastener, and the scroll is fixed to the outer side of the flexible scroll connecting piece and does not contact with the front housing; the volute flexible connecting piece is provided with elastic columns which are distributed in the periphery, the upper surface and the lower surface of the volute flexible connecting piece and in the fixing holes and are used for reducing the contact area and reducing the transmission efficiency of vibration.

In one embodiment, the longitudinal section of the motor flexible connecting piece is I-shaped, and a through hole is formed in the axis; the motor is provided with a pressure riveting stud, the pressure riveting stud penetrates through a central through hole of the motor flexible connecting piece and is fixed on the motor through a bolt, and the volute is fixed on the outer side of the motor flexible connecting piece and is not in contact with the motor; the motor flexible connecting piece is provided with a plurality of elastic milk nails which are distributed around the motor flexible connecting piece and in the upper surface and the lower surface, and are used for reducing the contact area and reducing the transmission efficiency of vibration.

In another embodiment, the motor flexible coupling comprises: the motor comprises an upper connecting piece and a lower connecting piece, wherein the upper connecting piece and the lower connecting piece are installed in a matched mode through shaft holes, and through holes are formed in the centers of the upper connecting piece and the lower connecting piece and used for enabling a press riveting stud fixed on the motor to penetrate through and fixing the upper connecting piece and the lower connecting piece; the upper connecting piece is arranged between the volute and the motor, the lower connecting piece is arranged below the volute, the press riveting stud fixed on the motor) penetrates through the through holes of the upper connecting piece and the lower connecting piece, and the volute, the upper connecting piece, the lower connecting piece and the motor are fixed together by bolts; the upper portion and the bottom of going up the connecting piece have a plurality of elasticity milk nails, the upper portion of connecting piece has a plurality ofly down with around the elasticity milk nail, elasticity milk nail is used for reducing the support area, reduces the vibration transmission.

According to the above embodiment, the utility model provides a wall-hanging new fan of silence type has following benefit: compare in current new fan technique, this new fan simple structure, and the damping noise reduction effect is good, need not to carry out the damping through promoting the pivot precision and falls and make an uproar, greatly reduced low in manufacturing cost. In addition, this new fan casing is quick detachable, conveniently maintains and renews cartridge to inner structure, reduces and uses and cost of maintenance.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification of the invention, illustrate exemplary embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a side cut view of a first embodiment of the mute wall-mounted fresh air blower provided by the present invention.

Fig. 2 is a tangent view of a first embodiment of the mute wall-mounted fresh air blower provided by the present invention.

Fig. 3 is a sectional side view of a first embodiment of the mute wall-mounted fresh air blower according to the present invention.

Fig. 4 is an open state diagram of a first embodiment of the mute wall-mounted fresh air blower provided by the present invention.

Fig. 5 is a tangent view of a second embodiment of the mute wall-mounted fresh air blower according to the present invention.

Fig. 6 is an opening state diagram of a second embodiment of the mute wall-mounted fresh air blower provided by the present invention.

Fig. 7 is a side cut view of a third embodiment of the mute wall-mounted fresh air blower according to the present invention.

Fig. 8 is a structural diagram of a first embodiment of a flexible motor fixing member of a mute wall-mounted fresh air blower according to the present invention.

Fig. 9 is an installation structure diagram of a second embodiment of the flexible motor fixing member of the mute wall-mounted fresh air blower according to the present invention.

Fig. 10 is a structural diagram of the volute flexible fixing member of the mute wall-mounted fresh air machine according to the present invention.

Description of reference numerals:

1-shell, 2-volute flexible connecting piece, 3-volute, 4-motor flexible connecting piece, 5-motor, 6-filter element, 7-guide rail structure, 8-turbine, 9-buckle structure, 10-sealing ring and 11-blast cap;

101-front shell, 102-rear shell, 103-air inlet, 104-air outlet, 201-elastic column, 401-upper connecting piece, 402-lower connecting piece, 403-rivet-pressing stud, 404-elastic emulsion nail, 701-guide groove, 702-guide column, 801-annular groove

Detailed Description

Reference will now be made in detail to various exemplary embodiments of the invention, which should not be considered limiting of the invention, but rather should be understood to be a more detailed description of certain aspects, features and embodiments of the invention.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.

The utility model provides a wall-hanging new fan of hush air, in the embodiment shown in fig. 1, this new fan includes: a housing 1 having a front housing 101 and a rear housing 102. The rear case 102 is fixedly mounted on a wall by fixing members such as bolts, the front case 101 and the rear case 102 are fixedly coupled together, and the front case 101 and the rear case 102 are detachable. Specifically, as shown in fig. 4, the front case 101 and the rear case 102 are provided with a snap structure 9, and the snap structure 9 is used for fixedly connecting the front case 101 and the rear case 102.

The scroll case 3 is fixed inside the front case 101 by a plurality of scroll case flexible coupling members 2, and the scroll case flexible coupling members 2 serve to fix the scroll case 3 and reduce the transmission of vibration. The arrangement of the volute flexible connecting piece 2 enables the volute 3 and the front shell 101 to be in flexible connection, vibration transmission efficiency is greatly reduced, and vibration reduction effect is achieved.

The motor 5 is fixed inside the scroll case 3 by a plurality of motor flexible connectors 4, and the motor flexible connectors 4 are used for fixing the motor 5 and reducing the transmission of vibration. In the same way, the flexible connection is formed between the volute 3 and the motor 5 due to the arrangement of the flexible connecting piece 4 of the motor, so that the transmission efficiency of vibration is greatly reduced, and the vibration reduction effect is achieved.

The rear housing 102 is provided with a filter element 6 therein, and the filter element 6 is used for filtering the gas entering the housing 1.

The utility model discloses an among the specific embodiment, be provided with air inlet 103 on the back casing 102, and air inlet 103 corresponds the filter core 6 position. When the new fan is installed and changed, a hole needs to be drilled in the wall, the rear shell 102 is fixed on the wall, and the air inlet 103 penetrates through the hole and extends to the outside of the wall.

An air outlet 104 is arranged on the front housing 101, and the air outlet 104 is communicated with the outlet of the scroll casing 3 and used for sending air flow to the indoor space. The air inlet 103 is provided with an air cap 11, and the air cap 11 is of a barrier structure and used for preventing sundries from entering the shell 1. The arrows in fig. 1 and 2 are the airflow direction.

In addition, as shown in fig. 2, a sealing ring 10 is disposed at a connection between the outlet of the scroll 3 and the air outlet 104, and is used for sealing the housing 1 and reducing the transmission efficiency of vibration. This sealing ring 10 is flexible material, can avoid the rigid connection of volute 3 and casing 1 when sealed, reduces the transmission efficiency of vibration, realizes the damping effect.

In the embodiment, the housing 1 is provided with a rail structure 7, and the rail structure 7 is used for separating the front housing 101 and the rear housing 102 on a fixed rail. As shown in fig. 2, the guide rail structures 7 are disposed at four corners of the housing 1, so as to ensure more stable relative sliding between the front housing 101 and the rear housing 102. The guide rail structure 7 can limit the moving direction, and ensure the stable and smooth separation process of the front case 101 and the rear case 102.

As shown in fig. 3, the rail structure 7 includes a guide groove 701 and a guide post 702. The guide groove 701 is disposed on the front housing 101, the guide post 702 is disposed on the rear housing 102, and the guide post 702 slides back and forth in the guide groove 701, thereby driving the front housing 101 to slide relative to the rear housing 102.

In another embodiment, the rail structure 7 comprises a guide groove 701 and a guide post 702. The guide groove 701 is disposed on the rear housing 102, the guide post 702 is disposed on the front housing 101, and the guide post 702 slides back and forth in the guide groove 701, thereby driving the front housing 101 to slide relative to the rear housing 102.

In the embodiment of the present invention, the motor 5 is provided with the turbine 8, and the turbine 3 rotates to drive the air flow to move, so that the air flow enters from the air inlet 103 and then flows into the room from the air outlet 104. In addition, the outer edge of the turbine 8 is an annular groove 801, and the outer edge of the scroll 3 extends into the annular groove 801 and is used for dynamic sealing of the turbine, so that the internal air pressure of the scroll 1 is prevented from leaking, and the air supply efficiency of the turbine 8 is improved.

In a specific embodiment of this embodiment, the longitudinal section of the flexible scroll connecting element 2 is i-shaped, the center of the flexible scroll connecting element 2 has a fixing hole, and the flexible scroll connecting element 2 is fixed to the front housing 101 by a fastener, that is, the fastener passes through the fixing hole to fix the flexible scroll connecting element 2 to the front housing 101. The scroll 3 is fixed outside the scroll flexible coupling member 2 without contacting the front housing 101. In order to prevent the scroll casing 3 from sliding off the scroll casing flexible connecting member 2, the scroll casing 3 is clamped in an annular groove at the outer side of the scroll casing flexible connecting member 2, namely, in an I-shaped middle annular groove. Preferably, the fastener is a bolt or screw.

As shown in fig. 10, the flexible scroll connector 2 has elastic columns 201 thereon, the elastic columns 201 are distributed around, on the upper and lower surfaces of the flexible scroll connector 2, in the middle groove and in the fixing hole, that is, the surfaces contacting the front housing 101 and the scroll 3 are all provided with the elastic columns 201, and the elastic columns 201 are used for reducing the contact area between the front housing 101 and the scroll 3 and the flexible scroll connector 2, and reducing the transmission efficiency of vibration.

In a specific embodiment of this embodiment, the motor flexible connector 4 includes: an upper connector 401 and a lower connector 402. The upper connecting piece 401 and the lower connecting piece 402 are installed in a matched manner through shaft holes, and through holes are formed in the centers of the upper connecting piece 401 and the lower connecting piece 402 and used for allowing a press riveting stud 403 fixed on the motor 5 to pass through and fixing the upper connecting piece 401 and the lower connecting piece 402.

Specifically, the upper connecting piece 401 is arranged between the scroll 3 and the motor 5, the lower connecting piece 402 is arranged below the scroll 3, the rivet pressing stud 403 fixed on the motor 5 penetrates through the through holes of the upper connecting piece 401 and the lower connecting piece 402, and the scroll 3, the upper connecting piece 401, the lower connecting piece 402 and the motor 5 are fixed together by bolts, so that the fixed connection between the motor 5 and the scroll 3 is realized.

As shown in fig. 8, the upper and lower portions of the upper connector 401 have a plurality of elastic staples 404. The lower connecting member 402 has a plurality of elastic staples 404 at and around the upper portion thereof. The elastic nails 404 are used to reduce the supporting area, i.e. the contact area between the scroll 3 and the motor 5 and the flexible motor connecting member 4, and reduce the vibration transmission.

In the embodiment shown in fig. 9, the longitudinal section of the flexible motor connecting element 4 is i-shaped, and the axial center has a through hole for fixing the flexible motor connecting element 4.

The motor 5 is provided with a press riveting stud 403, the press riveting stud 403 passes through the through hole of the motor flexible connecting piece 4, and the motor flexible connecting piece 4 is fixed on the motor 5 through a bolt. And the scroll 3 is fixed to the outside of the motor flexible coupling 4 without contacting the motor 5. In order to prevent the scroll 3 from slipping off the flexible motor connecting part 4, the scroll 3 is clamped in an annular groove on the outer side of the flexible motor connecting part 4, namely an I-shaped middle annular groove, so that the scroll 3 is prevented from moving relative to the axis direction of the flexible motor connecting part 4.

In addition, the flexible motor connecting part 4 is provided with a plurality of elastic milk nails 404, and the elastic milk nails 404 are uniformly distributed around, above and below and in the middle groove of the flexible motor connecting part 4, i.e. the surfaces of the flexible motor connecting part 4 contacting the scroll 3 and the motor 5 are provided with the elastic milk nails 404. The elastic nails 404 are used to reduce the contact area, i.e. the contact area between the scroll 3 and the motor 5 and the flexible motor coupling 4, and reduce the vibration transmission.

The embodiment shown in fig. 5 is compared to the embodiment shown in fig. 1, which embodiment is shown in fig. 5 without the rail construction 7.

As shown in fig. 6, the front case 101 and the rear case 102 are connected by a snap, so that the front case 101 and the rear case 102 can be directly disassembled, and the post-maintenance is more convenient and faster.

In contrast to the embodiment shown in fig. 1, the embodiment shown in fig. 7 does not have the hood 11, and the air flow can directly enter the interior of the housing 1 through the intake vent 103 and the filter element 6.

The foregoing is only an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principles of the present invention should fall within the protection scope of the present invention.

Claims

1. Wall-hanging new fan of silence type, its characterized in that, this new fan includes:

a case (1) having a front case (101) and a rear case (102);

a volute (3) is fixed in the front shell (101) through a volute flexible connecting piece (2), and the volute flexible connecting piece (2) is used for fixing the volute (3) and reducing the transmission of vibration;

a motor (5) is fixed in the volute (3) through a motor flexible connecting piece (4), and the motor flexible connecting piece (4) is used for fixing the motor (5) and reducing the transmission of vibration;

and a filter element (6) is arranged in the rear shell (102) and is used for filtering gas.

2. The silent wall-hung fresh air machine according to claim 1, wherein a guide rail structure (7) is provided on the housing (1) for separating the front housing (101) and the rear housing (102) on a fixed rail;

the guide rail structure (7) comprises a guide groove (701) and a guide post (702), wherein the guide groove (701) is arranged on the front shell (101), the guide post (702) is arranged on the rear shell (102), and the guide post (702) slides back and forth in the guide groove (701); or

The guide rail structure (7) includes a guide groove (701) and a guide post (702), wherein the guide groove (701) is provided on the rear case (102), the guide post (702) is provided on the front case (101), and the guide post (702) slides back and forth in the guide groove (701).

3. The silent wall-mounted fresh air machine as claimed in claim 1, wherein the motor (5) is provided with a turbine (8), the outer edge of the turbine (8) is an annular groove (801), and the outer edge of the scroll (3) extends into the annular groove (801) for the dynamic seal of the turbine.

4. The silent wall-hung fresh air machine according to claim 1, wherein a snap structure (9) is provided on the front housing (101) and the rear housing (102) for fixedly connecting the front housing (101) and the rear housing (102).

5. The silent wall-hung fresh air machine according to claim 1, wherein the rear shell (102) is provided with an air inlet (103), and the air inlet (103) corresponds to the position of the filter element (6);

an air outlet (104) is formed in the front shell (101), and the air outlet (104) is communicated with an outlet of the volute (3).

6. The silent wall-hung fresh air machine according to claim 5, wherein a sealing ring (10) is arranged at the joint of the outlet of the volute (3) and the air outlet (104) for sealing the shell (1) and reducing the transmission efficiency of vibration.

7. The silent wall-hung fresh air machine according to claim 5, wherein a hood (11) is arranged on the air inlet (103) and used for blocking sundries from entering the interior of the shell (1).

8. The silent type wall-hung fresh air machine according to claim 1, wherein the scroll flexible connector (2) has an i-shaped longitudinal section, the scroll flexible connector (2) is fixed on the front housing (101) by a fastener, and the scroll (3) is fixed outside the scroll flexible connector (2) and is not in contact with the front housing (101);

the volute flexible connecting piece (2) is provided with elastic columns (201), and the elastic columns (201) are distributed around the volute flexible connecting piece (2), on the upper surface and the lower surface of the volute flexible connecting piece and in the fixing holes and used for reducing the contact area and reducing the transmission efficiency of vibration.

9. The mute wall-mounted fresh air machine as claimed in claim 1 or 8, wherein the motor flexible connecting piece (4) is I-shaped in longitudinal section and has a through hole at the axial center;

a press riveting stud (403) is arranged on the motor (5), the press riveting stud (403) penetrates through a central through hole of the motor flexible connecting piece (4) and is fixed on the motor (5) through a bolt, and the volute (3) is fixed on the outer side of the motor flexible connecting piece (4) and is not in contact with the motor (5);

the motor flexible connecting piece (4) is provided with a plurality of elastic milk nails (404), and the elastic milk nails (404) are distributed around the motor flexible connecting piece (4) and in the upper surface and the lower surface and are used for reducing the contact area and reducing the transmission efficiency of vibration.

10. The silent wall hung fresh air machine according to claim 1 or 8, wherein the motor flexible connection (4) comprises: an upper connector (401) and a lower connector (402), wherein,

the upper connecting piece (401) and the lower connecting piece (402) are installed in a matched mode through shaft holes, and through holes are formed in the centers of the upper connecting piece (401) and the lower connecting piece (402) and used for enabling a press riveting stud (403) fixed on the motor (5) to penetrate through and fixing the upper connecting piece (401) and the lower connecting piece (402);

the upper connecting piece (401) is arranged between the volute (3) and the motor (5), the lower connecting piece (402) is arranged below the volute (3), the rivet pressing stud (403) fixed on the motor (5) penetrates through holes of the upper connecting piece (401) and the lower connecting piece (402), and the volute (3), the upper connecting piece (401), the lower connecting piece (402) and the motor (5) are fixed together by bolts;

the upper part and the bottom of the upper connecting piece (401) are provided with a plurality of elastic milk nails (404), the upper part and the periphery of the lower connecting piece (402) are provided with a plurality of elastic milk nails (404), and the elastic milk nails (404) are used for reducing the supporting area and reducing the vibration transmission.