CN221347407U - Box fan casing connection structure - Google Patents

Abstract

The application relates to the field of box fans and discloses a box fan shell connecting structure, which comprises a mounting part, wherein one side of the mounting part is provided with a vent in a penetrating way, the outer surface of the mounting part is provided with a box fan main body close to the vent, the middle part of one side of the box fan main body is fixedly provided with a connecting pipe, one side edge part of the connecting pipe is integrally formed with a fixed plate, both side edge parts of the fixed plate are symmetrically welded with fixed guide rails, the inside of the fixed guide rails is movably provided with a limiting inserted link, one end edge part of the limiting inserted link is rotatably provided with a movable connecting rod, and a movable plate is rotatably arranged between the two movable connecting rods at the same side; according to the application, the limiting screw rod is matched with the limiting inserting rod to fix the limiting block and the limiting column, so that the effect of conveniently and rapidly installing the box-type fan main body on the outer surface of the installation part is achieved, the overall efficiency of the box-type fan main body during assembly and disassembly is improved, the problem that the box-type fan main body is time-consuming and labor-consuming during installation is solved, and the overall stability of the box-type fan main body after installation is embodied.

Description

Box fan casing connection structure

Technical Field

The application relates to the field of box fans, in particular to a box fan shell connecting structure.

Background

Box fans are a common type of industrial ventilation equipment, also known as centrifugal fans or centrifugal fans. The box-type fan is composed of a rotary impeller and a closed shell, and generates air flow through the rotation of the impeller, so that the ventilation and air conveying functions are realized, and the box-type fan can be used for ventilation and air exchange in places such as buildings, factories and warehouses, and can ensure ventilation of air and fresh air supply.

When the box fan is used, the fan shell is generally required to be installed and fixed, the air pipe and the box fan air inlet and outlet are generally connected and fixed through the bolts and the nuts in a conventional fixing mode, the mounting operation of the bolts is carried out so that the box fan shell is time-consuming and labor-consuming when being dismounted, the bolts and the nuts possibly generate rust after the box fan is used for a certain time, the bolts are inconvenient to dismount, and the integral mounting effect of the box fan shell is reduced.

In view of the above-mentioned related art, the inventor believes that there is a disadvantage that it is time-consuming and labor-consuming when a plurality of bolts are used to fix the box fan housing in combination with nuts, and therefore, a box fan housing connection structure is proposed to solve the above-mentioned problem.

Disclosure of utility model

In order to solve the problem that time and labor are wasted when a plurality of bolts are matched with nuts to fix the box-type fan shell, the application provides a box-type fan shell connecting structure.

The application provides a box-type fan shell connecting structure which adopts the following technical scheme:

The utility model provides a box fan casing connection structure, includes the installation department, the vent has been link up in installation department one side, installation department surface is close to vent department and installs box fan main part, box fan main part one side middle part fixed mounting has the connecting pipe, a connecting pipe side portion integrated into one piece has the fixed plate, equal symmetrical welding of fixed plate both sides limit portion has fixed rail, the inside movable mounting of fixed rail has spacing inserted bar, movable connecting rod is installed in spacing inserted bar one end limit portion rotation, two of homonymy rotate between the movable connecting rod and install the fly leaf, installation department inner wall one side is close to the equal movable mounting of four corners of vent stopper, still be equipped with stop gear between fixed plate and the installation department for it is spacing fixed to spacing inserted bar.

Preferably, the limiting mechanism comprises a limiting hole, the limiting hole is movably inserted in the middle of one side of the inner wall of the mounting part, round holes are formed in the middle of two sides of the inner wall of the fixing plate and the middle of two sides of the inner wall of the mounting part in a penetrating mode, one side of the limiting hole penetrates through the round holes to be located inside the fixing plate and the mounting part, a limiting screw is inserted in the middle of one side of the movable plate, and the limiting screw is in threaded connection with the inside the limiting hole.

Preferably, square holes are formed in the inner wall of the mounting portion in a way that the side of the inner wall of the mounting portion is close to four corners of the vent, the side of the inner wall of the mounting portion penetrates through the square holes and extends to the fixing plate and the inner portion of the mounting portion to be inserted with a limiting block, a limiting column is formed in the middle of the top end of the limiting block in a way that the middle of the top end of the limiting block is in a way that the side of one end of the limiting inserted rod extends to the inside of the limiting column, and the limiting column and the limiting inserted rod are clamped with each other.

Preferably, the limiting block and one side edge of the limiting hole are welded with limiting clamping plates, the cross section area of each limiting clamping plate is larger than that of each square hole and each round hole, and the square holes and the round holes are clamped with the limiting clamping plates.

Preferably, the middle part of one side of the limiting hole is penetrated and provided with a thread groove, one side edge part of the limiting screw rod penetrates through the round hole to be in threaded connection with the thread groove, and the limiting hole and the limiting screw rod are mutually matched.

In summary, the application has the following beneficial technical effects:

The box-type fan main body is movably arranged on the outer surface of the installation part, the positions of the fixed plate and the vent are aligned with each other, a plurality of limiting blocks and limiting columns are inserted into the fixed plate and the inside of the installation part, meanwhile, the limiting screw rod is rotated to be in threaded connection with the inside of the limiting hole, the limiting screw rod drives the limiting inserted rod to be movably inserted into the limiting hole along the inside of the fixed guide rail, and the limiting block is further limited and fixed; compared with the prior art, the box fan main body mounting structure has the advantages that the box fan main body is convenient to mount on the outer surface of the mounting part, the overall efficiency of the box fan main body during mounting and dismounting is improved, the problem that the box fan main body is time-consuming and labor-consuming during mounting is solved, and the overall stability of the box fan main body after mounting is embodied.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the application;

FIG. 2 is a schematic view of the internal structure of the mounting portion in the embodiment of the application;

FIG. 3 is a schematic view of a stop lever according to an embodiment of the present disclosure;

reference numerals illustrate: 1. a box-type fan main body; 2. a connecting pipe; 3. a fixing plate; 4. a mounting part; 5. a vent; 6. a limiting block; 7. a limit column; 8. a limiting hole; 9. a limit screw; 10. a movable plate; 11. a movable connecting rod; 12. a fixed guide rail; 13. and a limiting inserted link.

Detailed Description

The application is described in further detail below with reference to fig. 1-3.

The embodiment of the application discloses a box-type fan shell connecting structure. Referring to fig. 1-3, a box fan shell connection structure, including installation department 4, the vent 5 has been link up in installation department 4 one side, installation department 4 surface is close to vent 5 department and is installed box fan main part 1, box fan main part 1 side middle part fixed mounting has connecting pipe 2, connecting pipe 2 one side limit integrated into one piece has fixed plate 3, fixed rail 12 has all symmetrical welding to both sides limit part of fixed plate 3, fixed rail 12 internally movable installs spacing inserted bar 13, movable connecting rod 11 is installed in spacing inserted bar 13 one end limit part rotation, rotate between two movable connecting rods 11 of homonymy and install fly leaf 10, installation department 4 inner wall one side is close to vent 5 four corners department equal movable mounting stopper 6, still be equipped with stop gear between fixed plate 3 and the installation department 4 for spacing fixed to spacing inserted bar 13.

Through with box fan main part 1 movable mounting in the surface of installation department 4 to make fixed plate 3 activity be close to the position department of vent 5, promote fly leaf 10 to fixed plate 3 department activity, and make fly leaf 10 drive movable connecting rod 11 rotate, and then make movable connecting rod 11 drive spacing inserted bar 13 along fixed guide 12 inside activity, embodied spacing inserted bar 13's whole activity regulation effect.

Referring to fig. 1 and 3, stop gear includes spacing hole 8, spacing hole 8 activity grafting is in installation department 4 inner wall one side middle part department, the round hole has all been seted up in fixed plate 3 and installation department 4 inner wall both sides middle part link up, spacing hole 8 one side is passed the round hole and is located fixed plate 3 and installation department 4 inside, spacing screw 9 has been pegged graft in movable plate 10 one side middle part, spacing screw 9 threaded connection is inside spacing hole 8, the screw groove has been seted up in spacing hole 8 one side middle part link up, a side portion of spacing screw 9 passes round hole threaded connection in the screw groove, spacing hole 8 and spacing screw 9 looks adaptation each other.

Through making a plurality of stopper 6 and spacing hole 8 peg graft and pass the round hole and be located inside fixed plate 3 and the installation department 4, peg graft limit screw 9 simultaneously and pass fly leaf 10, rotate limit screw 9 threaded connection and advance inside the spacing hole 8, make limit screw 9 cooperation spacing post 7 spacing fixed to fixed plate 3, and then make fixed plate 3 fix at installation department 4 surface, embodied the whole installation effect of fixed plate 3.

Referring to fig. 1 and 2, square holes are all offered in the four corners department that is close to vent 5 on one side of the inner wall of installation department 4, square holes are passed on one side of the inner wall of installation department 4 and are extended to fixed plate 3 and the inside department of installation department 4 and peg graft there is stopper 6, spacing post 7 has been offered in the middle part of stopper 6 top, spacing inserted bar 13 one end limit portion extends to spacing post 7 inside, spacing post 7 and spacing inserted bar 13 block each other, spacing cardboard has all been welded to stopper 6 and spacing hole 8a side portion, spacing cardboard cross sectional area is greater than square hole and round hole cross sectional area, square hole and round hole all block each other with spacing cardboard.

The limiting screw 9 in the movement drives the limiting inserting rod 13 to move, so that the limiting blocks 6 are inserted into the square holes to be positioned in the fixing plate 3 and the mounting part 4, one end edge of the limiting inserting rod 13 is inserted into the limiting hole 8, the limiting blocks 6 are further limited and fixed, the limiting blocks 6 are matched with the limiting inserting rod 13 to limit the four corners of the butt joint of the fixing plate 3 and the mounting part 4, and the integral limiting and fixing effect of the four corners of the fixing plate 3 is reflected.

The embodiment of the application relates to a box type fan shell connecting structure, which comprises the following implementation principles: the box-type fan main body 1 is movably arranged on the outer surface of the mounting part 4, the fixed plate 3 is movably arranged at a position close to the ventilation opening 5, the square holes and the round holes are mutually aligned, the limit posts 7 are inserted into the square holes and the round holes to be positioned in the fixed plate 3 and the mounting part 4, meanwhile, the limit screw 9 is inserted into the movable plate 10, the limit screw 9 is rotated to be in threaded connection with the inside of the limit hole 8, the movable limit screw 9 drives the movable plate 10 to move, the movable plate 10 drives the movable connecting rod 11 to rotate, the movable connecting rod 11 drives the limit inserted rod 13 to move along the inside of the fixed guide rail 12, one end edge of the limit inserted rod 13 is inserted into the limit hole 8, the limit posts 6 are limited and fixed, and the limit posts 6 are matched with the limit inserted rod 13 to limit the butt joint four corners of the fixed plate 3 and the mounting part 4; compared with the prior art, this scheme has the effect of being convenient for install box fan main part 1 at the 4 surface of installation department, has improved the overall efficiency when box fan main part 1 dismouting, has solved box fan main part 1 comparatively waste time and energy's problem when the installation, has embodied the overall stability after the box fan main part 1 is installed.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (5)

1. The utility model provides a box fan casing connection structure, includes installation department (4), vent (5) have been seted up in link up in installation department (4) one side, installation department (4) surface is close to vent (5) department and installs box fan main part (1), its characterized in that: the novel fan is characterized in that a connecting pipe (2) is fixedly arranged in the middle of one side of the box-type fan body (1), a fixing plate (3) is integrally formed at one side edge of the connecting pipe (2), fixing guide rails (12) are symmetrically welded at two side edge parts of the fixing plate (3), a limiting inserting rod (13) is movably arranged in the fixing guide rails (12), a movable connecting rod (11) is rotatably arranged at one side edge part of the limiting inserting rod (13), a movable plate (10) is rotatably arranged between the movable connecting rods (11) at the same side, a limiting block (6) is movably arranged at one side of the inner wall of the mounting part (4) close to four corners of the ventilation opening (5), and a limiting mechanism is further arranged between the fixing plate (3) and the mounting part (4) and used for limiting and fixing the limiting inserting rod (13).

2. The box fan housing connection structure according to claim 1, wherein: the limiting mechanism comprises a limiting hole (8), the limiting hole (8) is movably inserted into the middle of one side of the inner wall of the mounting part (4), the middle of the two sides of the inner wall of the fixing plate (3) and the middle of the two sides of the inner wall of the mounting part (4) are all communicated with each other, the limiting hole (8) penetrates through the round hole to be located inside the fixing plate (3) and the mounting part (4), the middle of one side of the movable plate (10) is inserted with a limiting screw (9), and the limiting screw (9) is in threaded connection inside the limiting hole (8).

3. The box fan housing connection structure according to claim 1, wherein: square holes are formed in the inner wall of the mounting portion (4) in a way of being close to four corners of the ventilation opening (5), limiting blocks (6) are inserted into the inner wall of the mounting portion (4) in a way of penetrating through the square holes and extending to the fixing plate (3) and the inner portion of the mounting portion (4), limiting columns (7) are formed in the middle of the top end of each limiting block (6), one end edge of each limiting inserted rod (13) extends to the inner portion of each limiting column (7), and the limiting columns (7) and the limiting inserted rods (13) are clamped with each other.

4. A box fan housing connection according to claim 3, wherein: limiting block (6) and spacing hole (8) a side portion all weld and have spacing cardboard, spacing cardboard cross sectional area is greater than square hole and round hole cross sectional area, square hole and round hole all with spacing cardboard mutual block.

5. The box fan housing connection structure according to claim 2, wherein: the middle part of one side of the limiting hole (8) is communicated with a threaded groove, one side edge part of the limiting screw (9) penetrates through the round hole to be in threaded connection with the threaded groove, and the limiting hole (8) and the limiting screw (9) are mutually matched.