CN207195301U - A kind of centrifugal blower supporting construction - Google Patents

Abstract

The utility model discloses a kind of centrifugal blower supporting construction, including multiple supporting supports, also include axle sleeve, the rear and front end of supporting support is respectively body connection end and axis connection end, the axis connection end of the multiple supporting support abuts with the periphery wall of axle sleeve successively, the front and rear sides at axis connection end are respectively equipped with front through hole and rear through hole, and the front through hole of each supporting support is connected with the rear through hole of the supporting support of its side；The axis connection end of all supporting supports surrounds the sets of holes that can entangle axle sleeve, and chamfering is provided between axis connection end and front through hole, rear through hole, so that sets of holes are recessed provided with several, circular array shows several raised retainers on the periphery wall of axle sleeve.Due to supporting support and the split type setting of axle sleeve, it can very quickly be assembled and disassembled, be safeguarded.Due to there is the setting of retainer, can prevent from producing mutual displacement between supporting support and axle sleeve.The utility model is used for centrifugal blower.

Description

A centrifugal fan support structure

technical field

The utility model relates to a supporting structure of a centrifugal fan.

Background technique

The support bracket and the shaft sleeve adopt a welded structure, which will cause fracture due to weak welding, difficult to ensure positioning, and uneven appearance. When assembling the fan, the paint on the inner hole of the steel shaft sleeve needs to be cleaned, and the installation is troublesome and difficult to adjust. Due to the welding process, for each fan, each support bracket and bushing are compatible and cannot be used universally. Once the support bracket and bushing are damaged, if maintenance is required, the entire fan needs to be sent back Adaptive repairs are made to the manufacturer, which will lead to delays in production for users and increase maintenance costs.

Utility model content

The technical problem to be solved by the utility model is to provide a centrifugal fan support structure.

The solution that the utility model solves its technical problem is:

A support structure for a centrifugal fan, comprising a plurality of support brackets and a shaft sleeve, the front and rear ends of the support bracket are body connection ends and shaft connection ends respectively, and the shaft connection ends of the plurality of support brackets are sequentially connected with the outer circumference of the shaft sleeve The walls are abutted so that the plurality of supporting brackets are arranged in an annular array around the shaft sleeve, and the front and rear through holes are respectively provided on the front and rear sides of the connecting end of the shaft, and the front through hole of each supporting bracket and the supporting bracket on its side The rear through holes are connected so that all the support brackets are connected in sequence; the shaft connection ends of all the support brackets form a sleeve hole that can be caught in the shaft sleeve, and there is a set between the shaft connection end and the front through hole and the rear through hole. chamfering, so that there are several depressions on the sleeve hole, and there are several raised stoppers in an annular array on the outer peripheral wall of the sleeve, and the several stoppers are arranged on the sleeve hole in one-to-one correspondence. in several depressions.

As a further improvement of the above solution, the connecting end of the body is flat, and the outer peripheral wall of the shaft sleeve is perpendicular to the connecting end of the body.

As a further improvement of the above solution, the support bracket is an integral casting and forming component.

As a further improvement of the above solution, the support bracket is an integral stamped component.

As a further improvement of the above solution, it also includes a stop bolt, at least one shaft connection end of the support bracket is provided with a through hole, and a threaded hole corresponding to the position of the through hole is provided on the bushing, and the stop bolt passes through the Vias are connected with threaded holes.

As a further improvement of the above solution, at least one side edge of the shaft connection end is turned inward, so as to form a turned edge wrapping the edge of the end surface of the shaft sleeve.

As a further improvement of the above solution, the shaft connecting end is arc-shaped, and correspondingly the abutting surface on the shaft sleeve that abuts against the shaft connecting end is also arc-shaped, and the arc of the shaft connecting end is larger or smaller than that of the abutting surface in a free state. radian.

As a further improvement of the above solution, the front through holes and the rear through holes of adjacent support brackets are connected with nuts and bolts.

The beneficial effects of the utility model are: a centrifugal fan support structure, including a plurality of support brackets, and also includes a shaft sleeve, the front and rear ends of the support bracket are respectively the body connection end and the shaft connection end, the shafts of the plurality of support brackets The connecting end abuts against the outer peripheral wall of the shaft sleeve in turn, so that the plurality of supporting brackets are arranged in an annular array around the shaft sleeve, and the front and rear through holes are respectively provided on the front and rear sides of the shaft connecting end, and the front and rear through holes of each supporting bracket The through hole is connected with the back through hole of the support bracket next to it, so that all the support brackets are connected in sequence; the shaft connection ends of all the support brackets form a sleeve hole that can be entangled with the shaft sleeve, and the shaft connection end is connected with the front through hole. , There are chamfers between the rear through holes, so that there are several depressions on the sleeve hole, and there are several raised stoppers in a circular array on the outer peripheral wall of the bushing, and the several stoppers correspond to each other one by one. The ground is set in several depressions on the sleeve hole. Due to the separate arrangement of the support bracket and the shaft sleeve, it can be assembled, disassembled and maintained very quickly. Due to the setting of the stopper, mutual displacement between the support bracket and the shaft sleeve can be prevented. The utility model is used for a centrifugal fan.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following will briefly describe the accompanying drawings that are used in the description of the embodiments. Apparently, the drawings described are only some embodiments of the utility model, not all embodiments, and those skilled in the art can also obtain other designs and drawings according to these drawings without creative work.

Fig. 1 is the front view structure schematic diagram of the utility model embodiment;

Fig. 2 is the schematic diagram of the front view of the axle sleeve of the utility model embodiment;

Fig. 3 is a front structural schematic view of the support bracket of the embodiment of the present invention.

Detailed ways

The idea, specific structure and technical effects of the present utility model will be clearly and completely described below in conjunction with the embodiments and accompanying drawings, so as to fully understand the purpose, characteristics and effects of the present utility model. Apparently, the described embodiments are only some of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, other embodiments obtained by those skilled in the art without paying creative efforts, All belong to the protection scope of the utility model. In addition, all the connection/connection relationships mentioned in this article do not refer to the direct connection of components, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions. Each technical feature in the utility model can be combined interactively under the premise of not conflicting with each other.

Referring to Fig. 1 to Fig. 3, this is an embodiment of the present utility model, specifically:

A support structure for a centrifugal fan, comprising a plurality of support brackets and a shaft sleeve 2, the front and rear ends of the support bracket are body connection ends 11 and shaft connection ends 12 respectively, and the shaft connection ends 12 of the plurality of support brackets are sequentially connected to The outer peripheral wall of the shaft sleeve 2 abuts, so that the plurality of support brackets are in an annular array around the shaft sleeve 2, and the front and rear through holes 13 and 14 are respectively provided on the front and rear sides of the shaft connection end 12, and each support bracket The front through hole 13 of the front through hole 13 of its side is connected with the rear through hole 14 of the support bracket, so that all the support brackets are connected sequentially; the shaft connecting ends 12 of all the support brackets form a sleeve hole that can be entangled with the shaft sleeve 2, and the shaft A chamfer is provided between the connecting end 12 and the front through hole 13 and the rear through hole 14, so that several depressions are provided on the sleeve hole, and several protruding stopper parts 21 are arranged in an annular array on the outer peripheral wall of the shaft sleeve 2 , the plurality of stoppers 21 are provided in the plurality of depressions on the bushing in one-to-one correspondence. Due to the setting of the stopper, mutual displacement between the support bracket and the shaft sleeve can be prevented. Due to the setting of the stopper, mutual displacement between the support bracket and the shaft sleeve can be prevented.

The connecting end 11 of the body is flat, and the peripheral wall of the axle sleeve 2 is vertical to the connecting end 11 of the body so as to facilitate connection.

For the convenience of manufacture, the support bracket is an integral stamping and forming component, of course, the support bracket can be an integral casting forming component.

In order to further prevent the support bracket from sliding relative to the shaft sleeve, and at the same time, during assembly, one support bracket can be fixed first and then the other support frames can be fixed sequentially, so as to complete the installation, this embodiment also includes stop bolts 3, at least one support bracket The shaft connecting end 12 of the shaft is provided with a through hole, and the shaft sleeve 2 is provided with a threaded hole 22 corresponding to the position of the through hole, and the stop bolt 3 passes through the through hole and is connected with the threaded hole 22 .

In order to prevent the shaft sleeve from cutting the operator and to strengthen the strength of the shaft connection end, at least one side of the shaft connection end 12 is folded inwards to form a folded edge 15 wrapping the edge of the end surface of the shaft sleeve 2 .

In order to allow the shaft connecting end to have a certain grip on the shaft sleeve, the connecting end 12 is arc-shaped, and correspondingly the abutting surface on the shaft sleeve 2 that abuts against the shaft connecting end 12 is also arc-shaped. The arc of the lower shaft connection end 12 is smaller than the arc of the abutting surface.

In order to facilitate assembly and disassembly, the front through holes 13 and the rear through holes 14 of adjacent support brackets are connected with nuts and bolts.

The preferred embodiments of the utility model have been specifically described above, but the utility model is not limited to the described embodiments, and those skilled in the art can also make various equivalent modifications or modifications without violating the spirit of the utility model. Replacement, these equivalent modifications or replacements are all included within the scope defined by the claims of the present application.

Claims (8)

1. a kind of centrifugal blower supporting construction, including multiple supporting supports, it is characterised in that：Also include axle sleeve (2), supporting support Rear and front end be respectively body connection end (11) and axis connection end (12), the axis connection end (12) of the multiple supporting support according to The secondary periphery wall with axle sleeve (2) abuts so that the multiple supporting support annular array is at the surrounding of axle sleeve (2), axis connection end (12) front and rear sides are respectively equipped with front through hole (13) and rear through hole (14), front through hole (13) and its side of each supporting support Supporting support rear through hole (14) connection so that all supporting supports are sequentially connected；The axle of all supporting supports connects Connect end (12) and surround the sets of holes that can entangle axle sleeve (2), axis connection end (12) and front through hole (13), rear through hole are set between (14) There is chamfering, so that sets of holes are recessed provided with several, circular array shows stopping for several projections on the periphery wall of axle sleeve (2) Dynamic portion (21), several described retainers (21) be located at correspondingly with several depressions in sets of holes.

A kind of 2. centrifugal blower supporting construction according to claim 1, it is characterised in that：Body connection end (11) is in flat board Shape, the periphery wall of axle sleeve (2) are vertical with body connection end (11).

A kind of 3. centrifugal blower supporting construction according to claim 1, it is characterised in that：Supporting support casts for integral type Formed parts.

A kind of 4. centrifugal blower supporting construction according to claim 1, it is characterised in that：Supporting support is integral type punching press Formed parts.

A kind of 5. centrifugal blower supporting construction according to claim 1, it is characterised in that：Also include dogbolt (3), extremely The axis connection end (12) of a few supporting support is provided with via, and axle sleeve (2) is provided with the screw thread with the via position correspondence Hole (22), dogbolt (3) are connected through the via with screwed hole (22).

A kind of 6. centrifugal blower supporting construction according to claim 1, it is characterised in that：Axis connection end (12) is at least one Side fold inward, so as to form the flanging (15) on the end surface side edge for wrapping axle sleeve (2).

A kind of 7. centrifugal blower supporting construction according to claim 1, it is characterised in that：Axis connection end (12) is arc, The bearing surface accordingly abutted on axle sleeve (2) with axis connection end (12) is similarly arc, in a free state axis connection end (12) radian is more than or less than the radian of bearing surface.

A kind of 8. centrifugal blower supporting construction according to claim 1, it is characterised in that：The preceding of adjacent supporting support leads to Hole (13) connects with rear through hole (14) with nut bolt.