Supporting piece and vortex fan

Abstract

The utility model belongs to the technical field of fan sealing, and particularly relates to a supporting piece and a vortex fan, the supporting piece comprises a supporting piece body and an elastic piece, the rear end of the elastic piece and the supporting piece body are integrally formed, and the front end of the elastic piece tilts towards the direction away from the supporting piece body; when the elastic piece is extruded and the front end of the elastic piece is close to the supporting piece body, the elastic piece is elastically deformed, so that the elastic piece has the trend of moving away from the supporting piece body, and the supporting piece body supports the sealing ring; the sealing performance between the sealing ring and other parts is guaranteed, and the sealing effect is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of fan sealing, in particular to a support component and a vortex fan. Background Art

[0002] At present, the function of seals is to make the seal between objects more firm and stable, and thus they are widely used, especially in the field of fan technology.

[0003] For example, a vortex fan disclosed in Chinese patent CN202321763210.7 includes a pump body, an impeller and a motor, the impeller is provided with an annular boss, the pump body is provided with a mounting groove, a sealing ring (rubber ring) is installed in the mounting groove, the sealing ring abuts against the annular boss, the sealing ring can support the impeller, absorb the vibration generated by the impeller, reduce the generation of noise, and at the same time seal the annular chamber to prevent airflow leakage and reduce the load on the motor shaft;

[0004] However, this patent still has some shortcomings. As the impeller rotates, the impeller will wear the sealing ring, resulting in the inability to effectively prevent the impeller from vibrating and generating noise. At the same time, due to the wear of the sealing ring, when the fan is working, the air flow will flow out from the gaps caused by the wear, thereby affecting the overall air suction and supply effect of the fan. Summary of the invention

[0005] The utility model aims to provide a support member and a vortex fan, which enable the support member body to support the sealing ring through the spring sheet, thereby ensuring the sealing effect of the sealing ring and improving the problem that the airflow will flow out from the gap caused by the wear of the sealing ring.

[0006] The purpose of the utility model is achieved in this way:

[0007] A support member, comprising: a support member body and a spring sheet, wherein a rear end of the spring sheet is integrally formed with the support member body, and a front end of the spring sheet is tilted in a direction away from the support member body;

[0008] When the spring sheet is squeezed and its front end is brought close to the support body, the spring sheet undergoes elastic deformation, so that the spring sheet has a tendency to move away from the support body, thereby achieving support of the sealing ring by the support body.

[0009] Preferably, the edge of the end surface of the support body has at least one limiting portion, and the limiting portion and the elastic sheet are respectively located on two end surfaces of the support body.

[0010] Preferably, the elastic sheet is bent in a direction away from the support member body.

[0011] Preferably, the support member is made of stainless steel.

[0012] A vortex fan comprises: a pump body, an impeller, a motor and the support member; the impeller is installed in the pump body, and the impeller and the pump body cooperate to form an annular air cavity; the impeller is provided with an annular boss; the pump body is provided with a mounting groove, and a sealing ring and the support member are installed in the mounting groove;

[0013] The support body abuts against the inner side wall of the sealing ring, and the spring sheet abuts against the inner side wall of the mounting groove, so that the sealing ring movably abuts against the annular boss to seal the annular air cavity.

[0014] Preferably, the limiting portion of the support member movably abuts against the end of the sealing ring to limit the sealing ring from leaving the installation groove.

[0015] Preferably, an accommodating groove is provided at the end of the sealing ring for accommodating the limiting portion.

[0016] Preferably, a side wall of the mounting groove is provided with an anti-slip groove, and an end portion of the spring sheet is movably engaged in the anti-slip groove.

[0017] Preferably, the mounting groove is an annular groove, and at least one of the supporting members is installed in the mounting groove;

[0018] When there is one support member, the support member is bent around the installation groove to form a ring and installed in the installation groove;

[0019] When there are two or more support members, each support member is bent into an arc shape and installed in the installation groove.

[0020] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

[0021] 1. The support structure of the utility model is stable. When the spring piece is squeezed and its front end is close to the support body, the spring piece has a tendency to move away from the support body, so that the support body can support the sealing ring, ensuring the sealing between the sealing ring and other components and ensuring the sealing effect.

[0022] 2. The utility model installs a sealing ring and a support member in the installation groove of the pump body. When the sealing ring is worn due to the rotation of the impeller, the support member can support the sealing ring, reduce the gap between the sealing ring and the impeller, improve the airtightness of the annular air cavity, and avoid gas from flowing out from the gap caused by the wear of the sealing ring, thereby ensuring the overall suction and air supply effect of the fan, thereby ensuring the working efficiency of the fan; at the same time, the sealing ring can absorb the vibration generated by the impeller under the support of the support member, thereby reducing the generation of noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of the fan of Example 1.

[0024] Figure 2 This is a schematic diagram of the structure of the support member of Example 1.

[0025] Figure 3 This is a cross-sectional view of Example 1.

[0026] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0027] Figure 5 This is a cross-sectional view of the limiting portion of Example 2 installed in the receiving groove.

[0028] Figure 6 This is a cross-sectional view of the spring piece of Example 3 installed in the anti-slip groove.

[0029] Figure numerals: 1. support member body; 2. spring piece; 3. limit part; 4. pump body; 5. impeller; 6. annular air chamber; 7. sealing ring; 8. receiving groove; 9. mounting groove; 10. anti-slip groove; 11. annular boss; 100. support member. DETAILED DESCRIPTION

[0030] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. Figure 1-Figure 6 .

[0031] Example 1, see Figure 1-Figure 4 :

[0032] A support member comprises: a support member body 1 and a spring piece 2, wherein the rear end of the spring piece 2 is integrally formed with the end face of the support member body 1, and the front end of the spring piece 2 is tilted in a direction away from the support member body 1. When the spring piece 2 is squeezed and its front end is close to the support member body 1, the spring piece 2 undergoes elastic deformation and stores elastic potential energy, so that the spring piece 2 has a tendency to move away from the support member body 1, thereby enabling the support member body 1 to support an object.

[0033] The end face edge of the support body 1 has at least one limiting portion 3, and the limiting portion 3 and the spring sheet 2 are respectively located at the two end faces of the support body 1; and the distance between the limiting portion 3 and the front end of the spring sheet 2 is smaller than the distance between the limiting portion 3 and the rear end of the spring sheet 2.

[0034] The spring piece 2 is bent in a direction away from the support body 1 (i.e., the front end of the spring piece 2 is farther away from the support body 1 than the middle of the spring piece 2), ensuring that after the spring piece 2 is squeezed and the front end of the spring piece 2 is close to the support body 1, the spring piece 2 has sufficient elastic potential energy after elastic deformation, so that the support body 1 can support the sealing ring 7, ensuring the supporting effect of the support 100, so that the sealing ring 7 can be movably abutted against other objects, ensuring the sealing effect of the sealing ring 7.

[0035] The support member 100 is made of stainless steel, that is, the support member body 1 , the spring piece 2 and the limiting portion 3 are all made of stainless steel.

[0036] A vortex fan comprises: a pump body 4, an impeller 5, a motor and the support member 100; the impeller 5 is installed in the pump body 4, and the impeller 5 cooperates with the pump body 4 to form an annular wind chamber 6; the impeller 5 is provided with an annular boss 11; a mounting groove 9 is provided in the pump body 4, and a sealing ring 7 and the support member 100 are installed in the mounting groove 9; wherein the support member body 1 abuts against the inner side wall of the sealing ring 7, and the spring piece 2 abuts against the inner side wall of the mounting groove 9, so that the sealing ring 7 can movably abut against the annular boss 11 to seal the annular wind chamber 6.

[0037] As the impeller 5 rotates, the impeller 5 will wear the sealing ring 7, resulting in a gap between the annular boss 11 of the impeller 5 and the sealing ring 7 due to the wear of the sealing ring 7, causing air flow to flow out of the gap, so a support member 100 is installed in the mounting groove 9, and the sealing ring 7 is supported by the support member 100, thereby avoiding the generation of a gap between the sealing ring 7 and the annular boss 11, ensuring the airtightness of the annular air chamber 6 and the efficiency of the fan in sucking and delivering air. At the same time, the support member 100 enables the sealing ring 7 to support the impeller, absorb the vibration generated by the impeller, and reduce the generation of noise.

[0038] The sealing ring 7 is a rubber ring or a plastic ring.

[0039] The limiting portion 3 of the support member 100 movably abuts against the end of the sealing ring 7 to limit the sealing ring 7 from being separated from the installation groove 9 , thereby ensuring that the sealing ring 7 is firmly installed in the installation groove 9 .

[0040] The mounting groove 9 is an annular groove, and at least one support member 100 is installed in the mounting groove 9; when there is one support member 100, the support member 100 can be bent into a ring around the mounting groove 9 and installed in the mounting groove 9; when there are two or more support members 100, each support member 100 is bent into an arc shape and installed in the mounting groove 9.

[0041] The impeller 5 consists of a middle disk, a left blade group and a right blade group. The middle disk and the pump body 4 cooperate to divide the annular air chamber 6 into two parts. The left blade group and the right blade group are arranged back to back on the middle disk, and an annular boss 11 is arranged under the left blade group and the right blade group.

[0042] The output end of the motor is connected to the middle disk of the impeller 5 to drive the impeller 5 to rotate.

[0043] The specific structure of the vortex fan is disclosed in Chinese patent CN202321763210.7 and will not be repeated here.

[0044] Example 2, see Figure 5 :

[0045] The design scheme of this embodiment is basically the same as the design scheme of embodiment 1, except that: a receiving groove 8 is provided at the end of the sealing ring 7 for receiving the limiting portion 3. When the sealing ring 7 and the support member 100 are both placed in the installation groove 9, the limiting portion 3 on the support member 100 is movably abutted against the inside of the receiving groove 8. The limiting portion 3 ensures that the sealing ring 7 will not separate from the sealing ring 7. At the same time, the limiting portion 3 can be placed in the receiving groove 8, and the rear end of the limiting portion 3 will not protrude from the notch of the receiving groove 8, thereby preventing the limiting portion 3 from interfering with the rotation of the impeller 5.

[0046] Example 3, see Figure 6 :

[0047] The design scheme of this embodiment is substantially the same as that of Embodiment 1, except that: an anti-slip groove 10 is provided on the side wall of the mounting groove 9, and the end of the spring piece 2 is movably engaged in the anti-slip groove 10; when the support member 100 is installed in the mounting groove 9, the end of the spring piece 2 can be engaged in the anti-slip groove 10, thereby preventing the support member 100 from detaching from the mounting groove 9 and interfering with the rotation of the impeller 5, thereby ensuring the stable installation of the support member 100.

[0048] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

[0049] It should be noted that the structures, proportions, sizes, etc. drawn in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the utility model without substantial change of the technical content.

[0050] It should also be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or may be indirectly connected to the other element through an intermediate element.

[0051] In addition, the descriptions of "first", "second", etc. in this application are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

Claims

1. A support member, characterized in that: include: A support body (1) and a spring sheet (2), wherein the rear end of the spring sheet (2) is integrally formed with the support body (1), and the front end of the spring sheet (2) is tilted in a direction away from the support body (1); When the spring sheet (2) is squeezed and its front end is brought close to the support body (1), the spring sheet (2) undergoes elastic deformation, so that the spring sheet (2) has a tendency to move away from the support body (1), thereby enabling the support body (1) to support the sealing ring (7).

2. A support member according to claim 1, characterized in that: The end face edge of the support body (1) has at least one limiting portion (3), and the limiting portion (3) and the spring sheet (2) are respectively located on two end faces of the support body (1).

3. A support member according to claim 1 or 2, characterized in that: The elastic sheet (2) is bent in a direction away from the support member body (1).

4. A support member according to claim 1 or 2, characterized in that: The material of the support is stainless steel.

5. A vortex fan, characterized in that: include: A pump body (4), an impeller (5), a motor and a support member (100) according to any one of claims 1 to 4; the impeller (5) is installed in the pump body (4), and the impeller (5) cooperates with the pump body (4) to form an annular air chamber (6); the impeller (5) is provided with an annular boss (11); a mounting groove (9) is provided in the pump body (4), and a sealing ring (7) and the support member (100) are installed in the mounting groove (9); The support body (1) abuts against the inner wall of the sealing ring (7), and the spring sheet (2) abuts against the inner wall of the mounting groove (9), so that the sealing ring (7) can movably abut against the annular boss (11), thereby sealing the annular air chamber (6).

6. A vortex fan according to claim 5, characterized in that: The limiting portion (3) of the support member (100) movably abuts against the end of the sealing ring (7) to limit the sealing ring (7) from leaving the installation groove (9).

7. A vortex fan according to claim 6, characterized in that: The end of the sealing ring (7) is provided with a receiving groove (8) for receiving the limiting portion (3).

8. A vortex fan according to any one of claims 5 to 7, characterized in that: The side wall of the installation groove (9) is provided with an anti-slip groove (10), and the end of the spring sheet (2) is movably clamped in the anti-slip groove (10).

9. The vortex fan according to claim 5, characterized in that: The installation groove (9) is an annular groove, and at least one support member (100) is installed in the installation groove (9); When there is only one support member (100), the support member (100) is bent around the installation groove (9) to form a ring and is installed in the installation groove (9); When there are two or more support members (100), each support member (100) is bent into an arc shape and installed in the installation groove (9).

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