CN212202626U

CN212202626U - Flow guiding device for air inlet box of fan

Info

Publication number: CN212202626U
Application number: CN202020898713.5U
Authority: CN
Inventors: 孙学通
Original assignee: Shanghai Xinsheng Energy Saving And Environmental Protection Technology Co ltd
Current assignee: Shanghai Xinsheng Energy Saving And Environmental Protection Technology Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-12-22
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a fan inlet box guiding device, including the intake pipe, the rear end intercommunication of intake pipe has the fixing base, the rear side of fixing base is bolted to have the first box that uses with the intake pipe cooperation, the rear side intercommunication of first box has the second box, the rear side intercommunication of second box has the gas outlet, the positive all bolted connection all around of second box inner chamber has the connecting rod, the connecting rod is kept away from the second box and is bolted to have the inflator, the inner chamber of first box and second box all is provided with water conservancy diversion mechanism. The utility model discloses a cooperation of first water conservancy diversion bent plate and second water conservancy diversion bent plate can carry out hierarchical water conservancy diversion processing to the air current through first box inside, and the air current of flowing through first water conservancy diversion bent plate and second water conservancy diversion bent plate inboard is assisted the water conservancy diversion through the water conservancy diversion pore pair and is passed after that, through the cooperation of water conservancy diversion piece, can assist the water conservancy diversion to the air current of flowing through first water conservancy diversion bent plate and second water conservancy diversion bent plate table wall and handle.

Description

Flow guiding device for air inlet box of fan

Technical Field

The utility model relates to a fan field specifically is a fan inlet box guiding device.

Background

The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, and is a short-term habit for gas compression and gas delivery machines, and the fan generally comprises a ventilator, a blower and a wind driven generator.

In the industrial production process, need use the fan, and the inlet box is the radial inlet structure part of fan, however traditional inlet box is mostly simple and easy welded frame, and the water conservancy diversion effect is relatively poor, and at the in-process that admits air, easily cause the air current the inside condition of disorderly impact of appearance of inlet box to improve the whole wind of inlet box and make an uproar, when the inside atmospheric pressure of inlet box was too big, the inlet box easily appears deformation and damages, shortens the whole life of inlet box.

Disclosure of Invention

An object of the utility model is to provide a fan inlet box guiding device is in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fan inlet box guiding device, includes the intake pipe, the rear end intercommunication of intake pipe has the fixing base, the rear side of fixing base is bolted the first box that uses with the intake pipe cooperation, the rear side intercommunication of first box has the second box, the rear side intercommunication of second box has the gas outlet, the positive all bolted connection all around of second box inner chamber has the connecting rod, the connecting rod is kept away from the second box and is bolted the gas guide cylinder, the inner chamber of first box and second box all is provided with water conservancy diversion mechanism.

Preferably, the water conservancy diversion mechanism includes first water conservancy diversion bent plate, second water conservancy diversion bent plate, water conservancy diversion hole, water conservancy diversion piece, guiding gutter, the frame and the head of flow equalizing, first water conservancy diversion bent plate and second water conservancy diversion bent plate have all been bolted in proper order around the positive the past to the back in the first box inner chamber, the water conservancy diversion hole has all been seted up around first water conservancy diversion bent plate and the second water conservancy diversion bent plate inner chamber, the one side in opposite directions of first water conservancy diversion bent plate and second water conservancy diversion bent plate has the water conservancy diversion piece from the past to back in proper order integrated into one piece, the guiding gutter has been seted up to the inner chamber of connecting rod, the rear side of second box inner chamber is bolted and has been equalized flow frame, the head of flow equalizing has all been seted up around the frame inner chamber.

Preferably, the number of the first flow guiding bent plate is the same as that of the second flow guiding bent plate, and the number of the first flow guiding bent plate is four, and the volume of the first flow guiding bent plate is smaller than that of the second flow guiding bent plate.

Preferably, the shape of the diversion trench is rectangular, and the flow equalizing heads are distributed along the center of the flow equalizing frame in an axisymmetric structure.

Preferably, the periphery of the front surface of the inner cavity of the first box body is bolted with a flow guide seat, one opposite side of the flow guide seat is provided with an arc-shaped groove, and the flow guide seat is positioned on the inner side of the first flow guide bent plate.

Preferably, all bolted connections have the water conservancy diversion knee all around at the first box inner chamber back, the water conservancy diversion knee is located the inboard of second water conservancy diversion bent plate, the inner chamber bolt of intake pipe has the filter screen, all bolted connections have the strengthening rib in proper order after to in the past in the both sides of first box.

Preferably, the mounting seats are bolted to two sides of the back of the first box body, the fastening seats are bolted to two sides of the front of the second box body, one opposite side of each mounting seat and one opposite side of each fastening seat are in threaded connection with long bolts, and auxiliary flow guide strips are integrally formed around the inner cavity of the gas guide cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a cooperation of first water conservancy diversion bent plate and second water conservancy diversion bent plate, can carry out hierarchical water conservancy diversion processing to the air current through first box inside, after that assist the water conservancy diversion through the air current of water conservancy diversion pore pair first water conservancy diversion bent plate of flowing through and second water conservancy diversion bent plate inboard and pass, cooperation through the water conservancy diversion piece, can assist the water conservancy diversion to the air current of flowing through first water conservancy diversion bent plate and second water conservancy diversion bent plate table wall and handle, through the guiding gutter, the cooperation of frame and the head of flow equalizing flow equalizes, can flow equalize the processing to the air current of the second box of flowing through, make the air current evenly access to the gas outlet, prevent that first box and second box are inside to appear the air current disorder, lead to first box and second box to appear deformation and damage.

2. The utility model can carry out classified diversion treatment on the air flow passing through the first box body by the same quantity of the first diversion bent plate and the second diversion bent plate, weaken the impact force carried by the air flow, prevent the air flow from generating turbulent impact in the first box body by the volume of the first diversion bent plate being smaller than that of the second diversion bent plate, lead the air flow passing through the flow equalizing frame to transversely flow to the central position by the axial symmetric structure distribution of the flow equalizing head along the central position of the flow equalizing frame, thereby enhancing the flow equalizing effect of the air flow, lead the flow guiding seat and the arc-shaped groove to carry out auxiliary diversion treatment on the air flow passing through the inner side of the first diversion bent plate, prevent the air flow from gathering in the inner side of the first diversion bent plate, change the flowing direction of the air flow passing through the inner side of the first diversion bent plate by the diversion bent rod, lead the air flow to flow guiding cylinder, lead the air flow to pass through the filter screen, and filter the impurity particles carried in, prevent that the foreign particles from causing the jam damage to first box and second box internal part, through the strengthening rib, strengthen the material intensity of first box, prevent that the pressurized deformation from appearing in first box, through the mount pad, fastening seat and elongated bolt, can carry out fastening connection to first box and second box, prevent that pressurized break away from appearing in first box and second box hookup location, thereby strengthen the inseparable effect of connection between first box and the second box, through supplementary water conservancy diversion strip, can carry out the water conservancy diversion to the air current of flow through the air guide cylinder inner chamber and handle.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the first and second cases of the present invention;

fig. 3 is a front view of the first deflector of the present invention;

FIG. 4 is a side view of the connecting rod and the gas cylinder of the present invention;

fig. 5 is a structural side view of the flow equalizing frame of the present invention.

In the figure: 1. an air inlet pipe; 2. a fixed seat; 3. a first case; 4. a second case; 5. an air outlet; 6. a connecting rod; 7. an air guide cylinder; 8. a flow guide mechanism; 81. a first deflector shoe; 82. a second deflector bend plate; 83. a flow guide hole; 84. a flow guide block; 85. a diversion trench; 86. a flow equalizing frame; 87. a flow equalizing head; 9. a flow guide seat; 10. a flow guiding bent rod; 11. filtering with a screen; 12. reinforcing ribs; 13. a mounting seat; 14. a fastening seat; 15. a long bolt; 16. and (5) auxiliary flow guide strips.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: a fan inlet box flow guiding device comprises an inlet pipe 1, the rear end of the inlet pipe 1 is communicated with a fixed seat 2, the rear side of the fixed seat 2 is bolted with a first box body 3 matched with the inlet pipe 1 for use, the rear side of the first box body 3 is communicated with a second box body 4, the rear side of the second box body 4 is communicated with an air outlet 5, the periphery of the front side of the inner cavity of the second box body 4 is bolted with a connecting rod 6, the connecting rod 6 is far away from the second box body 4 and is bolted with an air guide cylinder 7, the inner cavities of the first box body 3 and the second box body 4 are respectively provided with a flow guiding mechanism 8, the air flow passing through the inner side of the first box body 3 can be subjected to graded flow guiding treatment through the matching of the first flow guiding bent plate 81 and the second flow guiding bent plate 82, the air flow passing through the inner side of the first flow guiding bent plate 81 and the second flow guiding bent plate 82 can be subjected to auxiliary flow guiding treatment through the matching of a flow guiding block 84, through guiding gutter 85, the cooperation of frame 86 and the head 87 that flow equalizes, can flow equalize the processing to the air current of flowing through second box 4, make the air current evenly lead to gas outlet 5, prevent that the air current is disorderly to appear in first box 3 and the inside second box 4, lead to first box 3 and second box 4 to appear deformation and damage.

The flow guiding mechanism 8 comprises a first flow guiding bent plate 81, a second flow guiding bent plate 82, flow guiding holes 83, flow guiding blocks 84, flow guiding grooves 85, a flow equalizing frame 86 and a flow equalizing head 87, the periphery of the front surface of the inner cavity of the first box body 3 is sequentially bolted with the first flow guiding bent plate 81 and the second flow guiding bent plate 82 from front to back, the airflow passing through the inner part of the first box body 3 can be subjected to graded flow guiding treatment, the flow guiding holes 83 are respectively formed on the peripheries of the inner cavities of the first flow guiding bent plate 81 and the second flow guiding bent plate 82, the flow guiding blocks 84 are sequentially and integrally formed on the opposite sides of the first flow guiding bent plate 81 and the second flow guiding bent plate 82 from front to back, the airflow passing through the surface walls of the first flow guiding bent plate 81 and the second flow guiding bent plate 82 can be subjected to auxiliary flow guiding treatment, the flow guiding grooves 85 are formed in the inner cavity of the connecting rod 6, the flow equalizing frame 86 is bolted on the rear side of the inner cavity of the second, can flow equalize the processing to the air current of second box 4 of flowing through, make the air current evenly lead to gas outlet 5, prevent that the air current is disorderly to appear in first box 3 and the inside of second box 4.

The number of the first flow guiding bent plate 81 and the number of the second flow guiding bent plate 82 are the same and four, the volume of the first flow guiding bent plate 81 is smaller than that of the second flow guiding bent plate 82, the airflow flowing through the first box body 3 can be subjected to graded flow guiding treatment, the impact force carried by the airflow is weakened, and the airflow is prevented from being disturbed and impacted inside the first box body 3.

The flow guide grooves 85 are rectangular, and the flow equalizing heads 87 are distributed along the center of the flow equalizing frame 86 in an axisymmetric structure, so that the air flow flowing through the flow equalizing frame 86 transversely flows towards the center, and the flow equalizing effect of the air flow is enhanced.

All bolted connection all around of 3 inner chambers of first box have water conservancy diversion seats 9, and the arc recess has been seted up to one side that water conservancy diversion seat 9 is in opposite directions, and water conservancy diversion seat 9 is located the inboard of first water conservancy diversion bent plate 81, can assist the water conservancy diversion to the inboard air current of first water conservancy diversion bent plate 81 of convection current and handle, prevents that the gathering from appearing in first water conservancy diversion bent plate 81 inboard to the air current.

All bolted connections all around at the first box 3 inner chamber back have water conservancy diversion knee 10, water conservancy diversion knee 10 is located the inboard of second water conservancy diversion bent plate 82, can change the direction of flow through of the inboard air current of first water conservancy diversion bent plate 81 of flowing through, make air current flow direction gas guide tube 7, the inner chamber of intake pipe 1 is bolted connection has filter screen 11, can filter the impurity particle that carries in the 1 inside gas of intake pipe, prevent that impurity particle from causing the jam damage to

first box

3 and 4 internal components of second box, the both sides of first box 3 all are bolted connection in proper order after to in the past have strengthening rib 12, strengthen the material intensity of first box 3, prevent that first box 3 from the compressive deformation from appearing.

The equal bolt in both sides at the first box 3 back has mount pad 13, the equal bolt in positive both sides of second box 4 has fastening seat 14, mount pad 13 and fastening seat 14 one side threaded connection in opposite directions have elongated bolt 15, can carry out fastening connection to first box 3 and second box 4, prevent that pressurized from breaking away from to appear in first box 3 and second box 4 hookup location, thereby strengthen the inseparable effect of being connected between first box 3 and the second box 4, equal integrated into one piece all around of gas guide tube 7 inner chamber has supplementary water conservancy diversion strip 16, can carry out the water conservancy diversion to the air current through gas guide tube 7 inner chamber and handle.

The working principle is as follows: during operation, the air is filtered by the filter screen 11 and enters the first box 3, then the air flows respectively flow through the surfaces of the first flow guiding bent plate 81 and the second flow guiding bent plate 82, since the volume of the first fluid guiding bent plate 81 is smaller than that of the second fluid guiding bent plate 82, by the auxiliary fluid guiding cooperation of the fluid guiding block 84, so that the air current passing through the surfaces of the first and second

guide bent plates

81 and 82 can be subjected to a graded guide treatment, then the air flow passes through the diversion hole 83, is guided by the diversion seat 9 and flows to the surface of the second diversion bent plate 82, then the air flow is guided by the guiding bent rod 10 and flows to the guiding groove 85 to prevent the air flow from gathering at the inner sides of the first guiding bent plate 81 and the second guiding bent plate 82, then the air flow is guided by a plurality of guiding grooves 85 and flows into a flow equalizing head 87 of a flow equalizing frame 86, the flow equalizing head 87 then equalizes the flow of the air, so that the air flows uniformly to the air outlet 5.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fan inlet box guiding device, includes intake pipe (1), its characterized in that: the rear end intercommunication of intake pipe (1) has fixing base (2), the rear side bolt joint of fixing base (2) has first box (3) of using with intake pipe (1) cooperation, the rear side intercommunication of first box (3) has second box (4), the rear side intercommunication of second box (4) has gas outlet (5), second box (4) inner chamber is positive all bolted all around has connecting rod (6), second box (4) and bolt are kept away from in connecting rod (6) have gas guide tube (7), the inner chamber of first box (3) and second box (4) all is provided with water conservancy diversion mechanism (8).

2. The flow guiding device of the air inlet box of the fan as claimed in claim 1, wherein: the flow guide mechanism (8) comprises a first flow guide bent plate (81), a second flow guide bent plate (82), a flow guide hole (83), a flow guide block (84), a flow guide groove (85), a flow equalizing frame (86) and a flow equalizing head (87), the periphery of the front surface of the inner cavity of the first box body (3) is sequentially bolted with a first flow guide bent plate (81) and a second flow guide bent plate (82) from front to back, flow guide holes (83) are formed on the periphery of the inner cavities of the first flow guide bent plate (81) and the second flow guide bent plate (82), the opposite sides of the first flow guide bent plate (81) and the second flow guide bent plate (82) are integrally formed with flow guide blocks (84) from front to back in sequence, a flow guide groove (85) is arranged in the inner cavity of the connecting rod (6), a flow equalizing frame (86) is bolted on the rear side of the inner cavity of the second box body (4), flow equalizing heads (87) are arranged on the periphery of the inner cavity of the flow equalizing frame (86).

3. The flow guiding device of the air inlet box of the fan as claimed in claim 2, wherein: the number of the first flow guide bent plate (81) and the number of the second flow guide bent plate (82) are the same and are four, and the volume of the first flow guide bent plate (81) is smaller than that of the second flow guide bent plate (82).

4. The flow guiding device of the air inlet box of the fan as claimed in claim 2, wherein: the flow guide grooves (85) are rectangular, and the flow equalizing heads (87) are distributed along the center of the flow equalizing frame (86) in an axisymmetric structure.

5. The flow guiding device of the air inlet box of the fan as claimed in claim 1, wherein: all bolted connection all around of first box (3) inner chamber is had water conservancy diversion seat (9), arc recess has been seted up to water conservancy diversion seat (9) one side in opposite directions, water conservancy diversion seat (9) are located the inboard of first water conservancy diversion bent plate (81).

6. The flow guiding device of the air inlet box of the fan as claimed in claim 1, wherein: all bolted connections all around at first box (3) inner chamber back have water conservancy diversion knee (10), water conservancy diversion knee (10) are located the inboard of second water conservancy diversion bent plate (82), the inner chamber of intake pipe (1) is bolted connection has filter screen (11), all bolted connections have strengthening rib (12) in proper order after to in the past in the both sides of first box (3).

7. The flow guiding device of the air inlet box of the fan as claimed in claim 1, wherein: the air guide box is characterized in that mounting seats (13) are bolted to two sides of the back face of the first box body (3), fastening seats (14) are bolted to two sides of the front face of the second box body (4), one opposite sides of the mounting seats (13) and the fastening seats (14) are in threaded connection with long bolts (15), and auxiliary guide strips (16) are integrally formed on the periphery of an inner cavity of the air guide cylinder (7).