CN212106314U

CN212106314U - Centrifugal fan convenient to rotate

Info

Publication number: CN212106314U
Application number: CN202020604467.8U
Authority: CN
Inventors: 沈建龙
Original assignee: AVIC International Beijing Co Ltd
Current assignee: AVIC International Beijing Co Ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-12-08
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a convenient rotatory centrifugal fan, the on-line screen storage device comprises a base, the bracing piece of three groups of fixedly connected with of base upper end equidistance, and the common fixedly connected with rotating device in three group's bracing piece upper ends, positioner of three groups of the fixedly connected with of rotating device surface equidistance, rotating device upper end fixedly connected with casing, casing right-hand member middle part has the sunction inlet admittedly, casing left end middle part fixedly connected with motor casing rear end fixedly connected with exports, upper end middle part fixedly connected with drive arrangement in the rotating device. A centrifugal fan convenient to rotate, through set up positioner and drive arrangement in the device, make and drive the connecting block and rotate when rotating the handle, make three group's connecting rods slide at the connecting block surface, make positioner can be as required not hard up or press from both sides tight centrifugal fan, make centrifugal fan more safety when using.

Description

Centrifugal fan convenient to rotate

Technical Field

The utility model relates to a centrifugal fan field, in particular to convenient rotatory centrifugal fan.

Background

When the fan works, airflow axially enters the blade space from the fan, and then rotates along with the impeller under the driving of the impeller; on the other hand, the centrifugal fan which increases energy under the action of inertia, leaves the impeller along the radius direction, works by the generated centrifugal force is called as a centrifugal fan, is mainly used in a ventilation and dust removal device, ensures clean production environment and protects the physical and mental health of a producer, and in the prior art, the centrifugal fan cannot rotate according to the requirement in the use process, so that much time is needed for rotating the centrifugal fan, and therefore, the centrifugal fan which is convenient to rotate is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a centrifugal fan which is convenient to rotate, and which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a convenient rotatory centrifugal fan, includes the base, the bracing piece of three groups of fixedly connected with of base upper end equidistance, and the common fixedly connected with rotating device in three group bracing piece upper ends, positioner of three groups of fixedly connected with of rotating device surface equidistance, the fixedly connected with casing in rotating device upper end, casing right-hand member middle part has the sunction inlet admittedly, casing left end middle part fixedly connected with motor casing rear end fixedly connected with exports, upper end middle part fixedly connected with drive arrangement in the rotating device.

Preferably, drive arrangement includes the dead lever, dead lever lower extreme middle part fixedly connected with threaded rod, threaded rod surface threaded connection has the turning block, butt joint groove has all been opened with the upper end right part to the turning block upper end left part, turning block front end surface fixedly connected with handle, dead lever surface activity interlude is connected with the connecting block, the connecting block lower extreme left part is at butt joint inslot with the other fixed connection of lower extreme right part, dead lever upper end fixed connection is in rotating device.

Preferably, the rotating device comprises a shell, a rotating column is connected to the middle bearing of the upper end of the shell, a connecting plate is fixedly connected to the upper end of the rotating column, and the lower end of the shell is fixedly connected to the upper ends of the three groups of supporting rods.

Preferably, positioner includes the connecting rod, connecting rod front end fixedly connected with clamp splice, the equal swing joint of clamp splice left end lower part and right-hand member lower part has the fixed block through the pivot, the equal fixed connection of fixed block is at the rotating device surface, clamp splice rear end upper portion fixedly connected with spring, the one end fixed connection that the clamp splice was kept away from to the spring is at the rotating device surface.

Preferably, the upper end of the connecting plate is not connected with the positioning device and is tightly attached to the upper part of the rear end of the positioning device.

Preferably, the lower part of the rear end of the positioning device penetrates through the outer surface of the rotating device and is tightly attached to the outer surface of the upper part of the driving device.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the utility model

1. Through the arrangement of the driving device, the handle is pulled to drive the rotating block to rotate on the outer surface of the threaded rod, so that the rotating block drives the connecting block to rotate when rotating, three groups of connecting rods tightly attached to the outer surface of the rotating block slide on the outer surface of the rotating block, and the connecting rods all slide to the concave part of the rotating block, so that the positioning device is loosened, the centrifugal fan can be conveniently rotated, the centrifugal fan can work in a larger range at different moving positions, and the working efficiency is improved;

2. through setting up positioner, through three connecting rods of group, make its strength with the help of the spring stimulate the clamp splice to the shell, the shell is kept away from through the pivot in clamp splice upper portion, makes the clamp splice not hard up, and the pulling handle that does makes the clamp splice tighten up to it is fixed with the connecting plate, thereby makes centrifugal fan fixed, can not centrifugal fan rotate when need not rotate, avoids causing unnecessary danger, has improved the security.

Drawings

Fig. 1 is a schematic view of the overall structure of a centrifugal fan convenient to rotate according to the present invention;

fig. 2 is a schematic view of the overall structure of a driving device of a centrifugal fan convenient to rotate according to the present invention;

fig. 3 is a schematic view of the overall structure of a rotating device of a centrifugal fan convenient to rotate according to the present invention;

fig. 4 is the overall structure diagram of the positioning device of the centrifugal fan convenient to rotate.

In the figure: 1. a base; 2. a support bar; 3. a rotating device; 4. a positioning device; 5. a housing; 6. a suction inlet; 7. a motor; 8. an outlet; 9. a drive device; 91. fixing the rod; 92. a threaded rod; 93. rotating the block; 94. a butt joint groove; 95. a handle; 96. connecting blocks; 31. a housing; 32. rotating the column; 33. a connecting plate; 41. a connecting rod; 42. a clamping block; 43. a fixed block; 44. a spring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

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.

As shown in fig. 1-4, a centrifugal fan convenient to rotate comprises a base 1, three groups of support rods 2 fixedly connected with the upper end of the base 1 at equal intervals, a rotating device 3 fixedly connected with the upper ends of the three groups of support rods 2 at equal intervals, three groups of positioning devices 4 fixedly connected with the outer surface of the rotating device 3 at equal intervals, a casing 5 fixedly connected with the upper end of the rotating device 3, a suction inlet 6 fixedly arranged in the middle of the right end of the casing 5, a motor 7 fixedly connected with the left end of the casing 5, an outlet 8 fixedly connected with the rear end of the casing 5, and a driving device 9 fixedly connected with the middle.

The driving device 9 comprises a fixed rod 91, a threaded rod 92 is fixedly connected to the middle of the lower end of the fixed rod 91, a rotating block 93 is in threaded connection with the outer surface of the threaded rod 92, butt-joint grooves 94 are formed in the left portion and the right portion of the upper end of the rotating block 93, a handle 95 is fixedly connected to the outer surface of the front end of the rotating block 93, a connecting block 96 is movably and alternately connected to the outer surface of the fixed rod 91, the butt-joint block is connected with the butt-joint grooves 94 by arranging the butt-joint block at the lower end of the connecting block 96, the device is easy to disassemble, the left portion and the right portion of the lower end of the connecting block 96; the rotating device 3 comprises a shell 31, a rotating column 32 is connected to the middle bearing of the upper end of the shell 31, the centrifugal fan can conveniently rotate by connecting the rotating column 32 with the bearing of the upper end of the shell 31, a connecting plate 33 is fixedly connected to the upper end of the rotating column 32, and the lower end of the shell 31 is fixedly connected to the upper ends of the three groups of supporting rods 2; the positioning device 4 comprises a connecting rod 41, a clamping block 42 is fixedly connected to the front end of the connecting rod 41, the clamping block 42 can fix the rotating device 3 by arranging the clamping block 42, the centrifugal fan cannot rotate randomly when in use, the lower part of the left end and the lower part of the right end of the clamping block 42 are movably connected with fixing blocks 43 through rotating shafts, the fixing blocks 43 are fixedly connected to the outer surface of the rotating device 3, a spring 44 is fixedly connected to the upper part of the rear end of the clamping block 42, and one end, far away from the clamping block 42, of the spring 44 is fixedly connected to the outer surface of the rotating; the upper end of the connecting plate 33 is not connected with the positioning device 4 and is tightly attached to the upper part of the rear end of the positioning device 4; the lower part of the rear end of the positioning device 4 penetrates through the outer surface of the rotating device 3 and is tightly attached to the outer surface of the upper part of the driving device 9.

It should be noted that the present invention is a centrifugal fan convenient for rotation, which is fixed by a base 1, when the centrifugal fan needs to work, a motor 7 is started to rotate blades in a casing 5, so that dust is sucked into the casing 5 and guided out through an outlet 8, when the centrifugal fan needs to rotate, a handle 95 is pulled to drive a rotating block 93 to rotate on the outer surface of a threaded rod 92, a connecting block 96 is connected with the rotating block 93, so that the rotating block 93 drives the connecting block 96 to rotate when rotating, so that three groups of connecting rods 41 tightly attached to the outer surface of the rotating block 93 slide on the outer surface of the rotating block 93, when the three groups of connecting rods 41 slide to a concave position of the rotating block 93, the clamping block 42 is pulled towards an outer casing 31 by the force of a spring 44, the upper portion of the clamping block 42 is far away from the outer casing 31 through a rotating shaft, by pulling the casing 5, the connecting plate 5 is fixedly connected with the connecting plate 33, when the casing 5 is pulled, the rotation column 32 rotates at the upper end of the casing 31 to rotate the centrifugal fan, and the handle 95 is pulled to tighten the clamp 42, thereby fixing the connecting plate 33.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a centrifugal fan of convenient rotation, includes base (1), its characterized in that: bracing piece (2) of three group of fixedly connected with of base (1) upper end equidistance, and the common fixedly connected with rotating device (3) in three group bracing piece (2) upper ends, positioner (4) of three group of fixedly connected with of rotating device (3) surface equidistance, rotating device (3) upper end fixedly connected with casing (5), casing (5) right-hand member middle part has sunction inlet (6) admittedly, casing (5) left end middle part fixedly connected with motor (7) casing (5) rear end fixedly connected with export (8), upper end middle part fixedly connected with drive arrangement (9) in rotating device (3).

2. The centrifugal fan facilitating rotation according to claim 1, wherein: drive arrangement (9) are including dead lever (91), dead lever (91) lower extreme middle part fixedly connected with threaded rod (92), threaded rod (92) surface threaded connection has turning block (93), turning block (93) upper end left part and upper end right part all opened butt joint groove (94), turning block (93) front end surface fixedly connected with handle (95), dead lever (91) surface activity interlude is connected with connecting block (96), the other fixed connection of connecting block (96) lower extreme left part and lower extreme right part is in butt joint groove (94), dead lever (91) upper end fixed connection is in rotating device (3).

3. The centrifugal fan facilitating rotation according to claim 1, wherein: rotating device (3) include shell (31), shell (31) upper end middle part bearing is connected with rotates post (32), rotate post (32) upper end fixedly connected with connecting plate (33), shell (31) lower extreme fixed connection is in three group's bracing pieces (2) upper ends.

4. The centrifugal fan facilitating rotation according to claim 1, wherein: positioner (4) include connecting rod (41), connecting rod (41) front end fixedly connected with clamp splice (42), there are fixed block (43) clamp splice (42) left end lower part and the equal swing joint of right-hand member lower part through the pivot, the equal fixed connection of fixed block (43) is at rotating device (3) surface, clamp splice (42) rear end upper portion fixedly connected with spring (44), the one end fixed connection that clamp splice (42) were kept away from in spring (44) is at rotating device (3) surface.

5. The centrifugal fan facilitating rotation according to claim 3, wherein: the upper end of the connecting plate (33) is not connected with the positioning device (4) and is tightly attached to the upper part of the rear end of the positioning device (4).

6. The centrifugal fan facilitating rotation according to claim 1, wherein: the lower part of the rear end of the positioning device (4) penetrates through the outer surface of the rotating device (3) and is tightly attached to the outer surface of the upper part of the driving device (9).