CN217301013U

CN217301013U - Staggered fan wheel

Info

Publication number: CN217301013U
Application number: CN202220407586.3U
Authority: CN
Inventors: 何克锋
Original assignee: Kunshan Ping Tai Electronic Co ltd
Current assignee: Kunshan Ping Tai Electronic Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-08-26
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses an alternating expression fan impeller of fan equipment technical field aims at solving the problem that fan blade quantity receives the processing restriction among the prior art. It includes wheel hub and the fixed center pin of locating wheel hub middle part position, wheel hub's outside fixed mounting has first impeller group, a plurality of blades that first impeller group contained are the equidistant distribution of circumference array and are in wheel hub's outer lane, the fixed connecting ring that is provided with on the first impeller group, fixed mounting has the second impeller group on the connecting ring, a plurality of blades that second impeller group contained are circumference array and distribute on the connecting ring, every blade on the second impeller group all inserts and establish between the blade of two adjacent first impeller groups. The utility model is used for fan structure's optimization can improve the air inlet effect and promote fan operating stability, optimizes the performance of equipment when can guaranteeing structural strength.

Description

Staggered fan wheel

Technical Field

The utility model relates to an alternating expression fan impeller belongs to fan equipment technical field.

Background

The performance of a fan is primarily related to the fan blades. Generally, the larger the number of blades of the fan, the better the air blowing effect. Moreover, the more the number of the blades is, the smaller the 'wind' can be cut, so that the blown wind is softer, and the silencing effect is better. The quantity of flabellum has been restricted because of the flabellum specification to traditional fan, and in order to increase the quantity of more blades, adjacent blade interval is littleer and more, and the processing thickness of blade is more and more thin to lead to that processing cost is high, production yield is low and blade intensity can't satisfy the operation needs.

Disclosure of Invention

An object of the utility model is to overcome not enough among the prior art, provide an alternating expression fan impeller for improve the problem of traditional fan flabellum quantity restriction, the utility model discloses can improve the air inlet effect when satisfying blade intensity demand, be favorable to processing to satisfy the in-service use demand.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

in one aspect, the utility model provides a staggered fan impeller, locate the center pin of wheel hub middle part position including wheel hub and fixed, wheel hub's outside fixed mounting has first impeller group, a plurality of blades that first impeller group contained are equidistant distribution of circumference array and are in wheel hub's outer lane, the fixed link that is provided with on the first impeller group, fixed mounting has the second impeller group on the link, a plurality of blades that second impeller group contained are circumference array distribution on the link, every blade on the second impeller group is all inserted and is established between the blade of two adjacent first impeller groups, first impeller group with the diameter of second impeller group outer fringe place circle equals.

Specifically, the connecting ring is arranged on the air inlet side of the first impeller group.

Specifically, the connecting ring is arranged on one side, far away from the air inlet, of the first impeller set.

Specifically, the blades on the first blade wheel set and the second blade wheel set are uniformly distributed on two sides of the connecting ring.

Specifically, the connecting ring is annular as a whole, and the outer diameter of the connecting ring is larger than or equal to the diameter of a circle where the outer edge of the first impeller set is located.

On the other hand, the utility model provides a pair of alternating expression fan impeller, the go-between is cyclic annular just the number of go-between has two, is located the both sides of first impeller group respectively.

Specifically, the outer diameters of the two connecting rings are larger than or equal to the diameter of a circle where the outer edge of the first impeller set is located.

Specifically, the diameters of the two connecting rings are different, and the outer diameter of the connecting ring positioned on the air inlet side is smaller than that of the connecting ring positioned on the other side.

Specifically, the outer diameter of the connecting ring on the side far away from the air inlet side is larger than or equal to the diameter of the circle where the outer edge of the first impeller set is located.

Compared with the prior art, the utility model discloses the beneficial effect who reaches:

the utility model discloses a set up the go-between on first impeller group to crossing to set up on the go-between and insert the second impeller group of establishing between first impeller group blade, making the more soft silence effect of impeller equipment air inlet better, in addition, the effect of second impeller group can effectively increase blade quantity under the condition that need not to reduce blade thickness, both can guarantee the processing success rate and satisfy the intensity demand when blade in-service use easily.

Drawings

Fig. 1 is a perspective view of a fan wheel structure according to a first embodiment of the present invention;

fig. 2 is a front view of a fan wheel structure according to an embodiment of the present invention;

fig. 3 is a front view of a fan wheel structure according to an embodiment of the present invention;

fig. 4 is a front view of a fan wheel structure according to an embodiment of the present invention;

fig. 5 is a perspective view of one form of a fan wheel structure provided in the second embodiment of the present invention;

reference numerals: 1. a hub; 2. a central shaft; 3. a connecting ring; 4. a second impeller group; 5. a first impeller set.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, 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 by those of ordinary skill in the art through specific situations.

The first embodiment is as follows:

the embodiment of the utility model provides a staggered fan impeller, can satisfy blade intensity demand and improve the air inlet effect simultaneously, be favorable to processing and satisfy the actual use demand, for realizing the basic structure function of fan, the impeller is arranged here and includes wheel hub 1 and fixed center pin 2 that locates wheel hub 1 middle position, and fixed mounting has first impeller group 5 outside wheel hub 1, set up a plurality of blades that first impeller group 5 contains and be the equidistant distribution of circumference array in the outer lane of wheel hub 1 (can refer to the figure and show), for optimizing the air inlet effect of fan, fixed mounting has a connecting ring 3 (wholly be annular platelike to set up, including polygon annular plate) on first impeller group 5, and fixed mounting has second impeller group 4 on connecting ring 3, set up a plurality of blades that second impeller group 4 contains and be the circumference array and distribute on connecting ring 3, at this time, the blades on the second impeller set 4 are not directly connected to the hub 1 and are distributed between the blades of the first impeller set 5 (the blades on the second impeller set 4 extend along one side or two sides of the radial direction of the connecting ring 3), the whole number of the blades for "cutting wind" can be increased without increasing the number of the blades of the first impeller set 5, the air intake effect of the whole impeller set is optimized, the silencing effect is improved, at this time, the gap between the blades of the first impeller set 5 can be well controlled, the thickness of the blades can be effectively ensured to meet the requirement of processing and practical use, in order to further optimize the air intake effect, the blades on each second impeller set 4 are all arranged between the blades of two adjacent first impeller sets 5 (the number of the blades of the first impeller set 5 and the number of the blades of the second impeller set 4 are equal and are mutually corresponding, but not limited thereto, a plurality of the blades of the second impeller sets 4 can be included between the blades of two adjacent first impeller sets 5), in order to improve the space utilization rate of the fan blades, the diameters of circles where the outer edges of the first impeller set 5 and the second impeller set 4 are located are equal.

The embodiment of the utility model provides a pair of staggered fan impeller locates the air inlet side of first impeller group 5 with go-between 3, sets up the intake that stops the amount of wind a small amount in go-between 3 of air inlet side one side, and consequently it is better to stabilize the effect.

The embodiment of the utility model provides a pair of staggered fan impeller locates go-between 3 and keeps away from one side of air intake on the first impeller group 5, and go-between 3 does not block the suction of the amount of wind this moment, can guarantee corresponding air inlet effect, and the fixed distance that lies in the flabellum part on go-between 3 in addition is shorter, consequently can guarantee good structural strength and use.

The embodiment of the utility model provides a pair of alternating expression fan impeller can refer to figure 1 and show, sets up the middle part position that go-between 3 is located the flabellum part, and the blade evenly distributed on first impeller group 5 and the second impeller group 4 this moment can optimize the air inlet effect when guaranteeing relatively good stability in the both sides of go-between 3.

The embodiment of the utility model provides a pair of staggered fan impeller, for protecting the flabellum edge, can refer to fig. 2 and show, set up that go-between 3 is whole to be cyclic annularly to the external diameter that sets up go-between 3 respectively according to above-mentioned embodiment is greater than or equal to the diameter of the 5 outer fringe places of first impeller group (the external diameter that is shown in fig. 3 for go-between 3 is less than the condition of the diameter of the 5 outer fringe places of first impeller group).

Example two:

the embodiment of the utility model provides a pair of staggered fan impeller, for promoting the stability of the whole fixed effect of second impeller group 4 and equipment work, there are two the number that sets up go-between 3 and be cyclic annular and go-between 3 here to set up its both sides that are located first impeller group 5 respectively (can refer to fig. 5 and show).

The embodiment of the utility model provides a pair of alternating expression fan impeller, for carrying out effectual protection to the flabellum of impeller outer lane, the diameter that the external diameter that here can set up two go-between 3 all is more than or equal to 5 outer fringe place circles of first impeller group.

The embodiment of the utility model provides a pair of staggered fan impeller, for the operating stability who optimizes equipment when guaranteeing good air inlet effect, the diameter that sets up two go-between 3 here is different to the external diameter that the setting is located air inlet side go-between 3 is less than the external diameter of opposite side go-between 3 (guarantees when the intake stabilizes the flabellum wholly).

The embodiment of the utility model provides a pair of staggered fan impeller, for protecting the flabellum, can set up the diameter that the external diameter of keeping away from air inlet side one side go-between 3 is more than or equal to 5 outer fringe places of first impeller group circle under the different circumstances of two go-between 3 external diameters here (the normal structural condition of above-mentioned embodiment two still contains the external diameter of keeping away from air inlet side one side go-between 3 and is less than or equal to the condition of the diameter of 5 outer fringe places of first impeller group circle).

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. A staggered fan impeller is characterized by comprising a hub (1) and a central shaft (2) fixedly arranged at the middle position of the hub (1), a first impeller set (5) is fixedly arranged on the outer side of the hub (1), a plurality of blades contained in the first impeller set (5) are distributed on the outer ring of the hub (1) in a circumferential array at equal intervals, a connecting ring (3) is fixedly arranged on the first impeller group (5), a second impeller group (4) is fixedly arranged on the connecting ring (3), a plurality of blades contained in the second blade wheel sets (4) are distributed on the connecting ring (3) in a circumferential array, the blades on each second blade wheel set (4) are inserted between the blades of two adjacent first blade wheel sets (5), the diameters of circles where the outer edges of the first impeller group (5) and the second impeller group (4) are located are equal.

2. The staggered fan wheel of claim 1, wherein said connecting ring (3) is provided on the air intake side of the first set of blades (5).

3. The staggered fan wheel according to claim 1, wherein said connecting ring (3) is disposed on a side of the first impeller assembly (5) away from the air inlet.

4. The staggered fan wheel of claim 1, wherein the blades of said first (5) and second (4) impeller sets are evenly distributed on both sides of the connecting ring (3).

5. The staggered fan wheel according to any one of claims 1 to 4, wherein said connecting ring (3) is annular as a whole, and the outer diameter of said connecting ring (3) is greater than or equal to the diameter of the circle on which the outer edge of the first impeller assembly (5) is located.

6. The staggered fan wheel of claim 1, wherein said connecting rings (3) are annular and there are two of said connecting rings (3), one on each side of the first impeller assembly (5).

7. The staggered fan wheel of claim 6, wherein the outer diameter of both said connecting rings (3) is greater than or equal to the diameter of the circle on which the outer edge of the first impeller group (5) lies.

8. The staggered fan wheel of claim 6, wherein the diameters of the two connecting rings (3) are different, and the outer diameter of the connecting ring (3) on the air intake side is smaller than the outer diameter of the connecting ring (3) on the other side.

9. The staggered fan wheel according to claim 8, wherein the outer diameter of the connecting ring (3) on the side away from the air inlet side is greater than or equal to the diameter of the circle on which the outer edge of the first impeller set (5) is located.