CN216044633U - Air quantity adjusting guide vane structure for air inlet guider - Google Patents

Abstract

The utility model discloses an air quantity adjusting guide vane structure for an air inlet guide vane, which relates to the technical field of air inlet guide vanes of centrifugal blowers and comprises a base body, wherein a plurality of guide vanes are arranged inside the base body, an integrated ring is sleeved outside the base body, an annular groove is formed in the outer wall of the base body, a plurality of bolt bearings are equidistantly arranged at the top of the integrated ring, and a plurality of shaft handles are equidistantly penetrated through the outer wall of the base body. According to the utility model, through the matched use of the integrated ring, the shaft handle, the guide vane, the bolt bearing, the annular groove, the swing rod, the sliding hole and the tetrafluoro ball, the air inflow can be adjusted, the inlet gas is prerotated at the same time, certain rotation initial energy is given to the inlet gas, the practicability is strong, and through the welding of the lug and the groove, the connection between the shaft handle and the guide vane is facilitated, the force borne by a welding seam in the working process can be reduced, and the service life is prolonged.

Description

Air quantity adjusting guide vane structure for air inlet guider

Technical Field

The utility model relates to the technical field of air inlet guides of centrifugal blowers, in particular to an air quantity adjusting guide vane structure for an air inlet guide.

Background

The centrifugal blower uses the centrifugal force produced by working rotary wheel with many blades to squeeze air to reach a certain air quantity and pressure, the air inlet guider is a device which is mounted at the air inlet of the centrifugal blower and used for regulating the air quantity of the blower, and the guide vane structure is the main structure for regulating the air quantity of the air inlet guider.

However, in the prior art, most of the guide vanes of the air quantity adjusting guide vane structure for the air inlet guide vane are directly welded with the shaft handle, so that the force borne by the welding seam between the guide vane and the shaft handle in the working process is increased, and the service life is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an air quantity adjusting guide vane structure for an air inlet guide vane so as to solve the problems in the background technology.

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

the utility model provides an air volume regulation stator structure for air inlet guide, includes the base member, the inside of base member is provided with a plurality of stator, the outside cover of base member is equipped with the integral type ring, and the outer wall of base member is provided with the annular groove, integral type ring top equidistance is provided with a plurality of bolt bearing, the outer wall equidistance of base member has run through a plurality of arbor, the arbor is in the outside fixed surface of base member and is connected with the pendulum rod, the pendulum rod is kept away from one of arbor and has been seted up the slide opening, the outer wall equidistance fixedly connected with a plurality of tetrafluoro ball of integral type ring, one side of stator is provided with the lug, the one end of arbor is provided with the recess.

As a further scheme of the utility model: two ports of the base body are one large and one small, and the guide vanes are matched with the base body.

As a still further scheme of the utility model: the lower end of the bolt bearing is connected with the integrated ring through threads, the upper end of the bolt bearing is generally located inside the annular groove, and the bolt bearing is matched with the annular groove.

As a still further scheme of the utility model: the shaft handle is connected with the base body in a clearance fit mode, a sealing ring is arranged at the contact position of the base body and the shaft handle, the tetrafluoro ball is located inside the sliding hole, and the tetrafluoro ball is matched with the sliding hole.

As a still further scheme of the utility model: the utility model discloses a structure of the motor, including base body, lug and stator, the base body is connected with the base body, the one end that the mandrel is close to the recess is in the inside of base body, the lug passes through casting integrated into one piece with the stator, the perpendicular cross-section of lug owner looking is "protruding" word shape, the perpendicular cross-section of recess owner looking is "concave" word shape, the lug is in the inside of recess, lug and recess looks adaptation, and lug and recess adopt welded connection.

As a still further scheme of the utility model: the quantity of stator, arbor and tetrafluoro ball equals, every the stator, every the arbor with every the one-to-one corresponds between the tetrafluoro ball.

Compared with the prior art, the utility model has the beneficial effects that: through the cooperation use between integral type ring, arbor, stator, bolt bearing, annular groove, pendulum rod, slide opening and the tetrafluoro ball, both can adjust the air input, advance soon to the entry gas simultaneously again, give the certain rotatory initial energy of admitting air, the practicality is stronger, and the welding through lug and recess, both made things convenient for being connected between arbor and the stator, can reduce the power that the welding seam bore in the course of the work again, increase life.

Drawings

Fig. 1 is a schematic structural diagram of an air quantity adjusting guide vane structure for an air inlet guide.

FIG. 2 is a schematic view of a structure of an air quantity adjusting guide vane structure for an air inlet guide vane in which a guide vane and a shaft handle are separated.

The labels in the figure are: 1. a substrate; 2. a guide vane; 3. an integral ring; 4. an annular groove; 5. a bolt bearing; 6. a mandrel; 7. tetrafluoro balls; 8. a swing rod; 9. a slide hole; 10. a bump; 11. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, in an embodiment of the present invention, an air flow adjusting guide vane structure for an air inlet guide includes a base 1, a plurality of guide vanes 2 are disposed inside the base 1, an integrated ring 3 is sleeved outside the base 1, and the outer wall of base member 1 is provided with annular groove 4, 3 top equidistance of integral type ring are provided with a plurality of bolt bearing 5, the outer wall equidistance of base member 1 runs through there is a plurality of axostylus axostyle 6, axostylus axostyle 6 is in the outside fixed surface pendulum rod 8 of base member 1, pendulum rod 8 keeps away from one of axostylus axostyle 6 and has seted up slide opening 9, a plurality of tetrafluoro ball 7 of outer wall equidistance fixed connection of integral type ring 3, stator 2, the quantity of axostylus axostyle 6 and tetrafluoro ball 7 equals, every stator 2, one-to-one between every axostylus axostyle 6 and every tetrafluoro ball 7, one side of stator 2 is provided with lug 10, the one end of axostylus axostyle 6 is provided with recess 11.

Referring to fig. 1, two ports of the base body 1 are larger and smaller, and the guide vane 2 is adapted to the base body 1 to function as a reducer pipe.

Referring to fig. 1, the lower end of the bolt bearing 5 is connected to the integrated ring 3 through a screw, the upper end of the bolt bearing 5 is generally located inside the annular groove 4, and the bolt bearing 5 is adapted to the annular groove 4, so that the integrated ring 3 can rotate freely.

Referring to fig. 1, a shaft handle 6 is in clearance fit connection with a base body 1, a sealing ring is arranged at a contact part of the base body 1 and the shaft handle 6, a tetrafluoro ball 7 is positioned inside a sliding hole 9, the tetrafluoro ball 7 is matched with the sliding hole 9, a corresponding swing rod 8 can be driven to rotate by rotating one shaft handle 6, and the swing rod drives an integrated ring 3 to rotate through the sliding hole 9 and the tetrafluoro ball 7, so that other shaft handles 6 can be driven to synchronously rotate.

Referring to fig. 1 and 2, one end of the shaft handle 6 close to the groove 11 is located inside the base body 1, the protrusion 10 and the guide vane 2 are integrally formed through casting, the main vertical section of the protrusion 10 is in a shape like a Chinese character 'tu', the main vertical section of the groove 11 is in a shape like a Chinese character 'tu', the protrusion 10 is located inside the groove 11, the protrusion 10 is matched with the groove 11, the protrusion 10 and the groove 11 are connected through welding, and the protrusion 10 and the groove 11 are welded to facilitate connection between the shaft handle 6 and the guide vane 2 and reduce the force borne by a welding seam in the working process.

The working principle of the utility model is as follows: in the use process, a corresponding swing rod 8 can be driven to rotate by rotating a shaft handle 6, the integrated ring 3 is stressed through the slide hole 9 and the tetrafluoro ball 7, the integrated ring 3 can be driven to rotate through the limitation of the bolt bearing 5 and the annular groove 4, other shaft handles 6 can be driven to synchronously rotate through other swing rods 8, slide holes 9 and the tetrafluoro ball 7 in the rotation process of the integrated ring 3, each shaft handle 6 can drive the guide vane 2 to rotate, the air inflow can be adjusted, meanwhile, inlet gas is pre-rotated, and certain initial rotation energy is given to the inlet gas; and through the welding of lug 10 and recess 11, both made things convenient for the connection between axostylus axostyle 6 and stator 2, can reduce the power that the welding seam bore in the course of the work again.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims (6)

1. The utility model provides an air quantity adjusting guide vane structure for air inlet guide device, includes base member (1), its characterized in that: the inside of base member (1) is provided with a plurality of stator (2), the outside cover of base member (1) is equipped with integral type ring (3), and the outer wall of base member (1) is provided with annular groove (4), integral type ring (3) top equidistance is provided with a plurality of bolt bearing (5), the outer wall equidistance of base member (1) runs through there is a plurality of axostylus axostyle (6), axostylus axostyle (6) are in outside fixed surface of base member (1) and are connected with pendulum rod (8), one portion that axostylus axostyle (6) were kept away from in pendulum rod (8) has seted up slide opening (9), the outer wall equidistance fixedly connected with a plurality of tetrafluoro ball (7) of integral type ring (3), one side of stator (2) is provided with lug (10), the one end of axostylus axostyle (6) is provided with recess (11).

2. The air volume adjusting guide vane structure for the air inlet guide vane according to claim 1, characterized in that: two ports of the base body (1) are one large and one small, and the guide vane (2) is matched with the base body (1).

3. The air volume adjusting guide vane structure for the air inlet guide vane according to claim 1, characterized in that: the lower end of the bolt bearing (5) is connected with the integrated ring (3) through threads, the upper end of the bolt bearing (5) is generally located in the annular groove (4), and the bolt bearing (5) is matched with the annular groove (4).

4. The air volume adjusting guide vane structure for the air inlet guide vane according to claim 1, characterized in that: the shaft handle (6) is connected with the base body (1) in a clearance fit mode, a sealing ring is arranged at the contact position of the base body (1) and the shaft handle (6), the tetrafluoro ball (7) is located inside the sliding hole (9), and the tetrafluoro ball (7) is matched with the sliding hole (9).

5. The air volume adjusting guide vane structure for the air inlet guide vane according to claim 1, characterized in that: the utility model discloses a structure of motor vehicle engine, including base body (1), lug (10) and stator (2), the one end that axostylus axostyle (6) are close to recess (11) is in the inside of base member (1), lug (10) and stator (2) are through casting integrated into one piece, the perpendicular cross-section of lug (10) owner view is "protruding" word shape, the perpendicular cross-section of recess (11) owner view is "concave" word shape, lug (10) is in the inside of recess (11), lug (10) and recess (11) looks adaptation, and lug (10) and recess (11) adopt welded connection.

6. The air volume adjusting guide vane structure for the air inlet guide vane according to claim 1, characterized in that: the quantity of stator (2), arbor (6) and tetrafluoro ball (7) equals, every stator (2), every arbor (6) and every the one-to-one corresponds between tetrafluoro ball (7).

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