CN212717403U - High-efficient series connection centrifugal fan - Google Patents
High-efficient series connection centrifugal fan Download PDFInfo
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- CN212717403U CN212717403U CN202021183225.2U CN202021183225U CN212717403U CN 212717403 U CN212717403 U CN 212717403U CN 202021183225 U CN202021183225 U CN 202021183225U CN 212717403 U CN212717403 U CN 212717403U
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- centrifugal fan
- fixedly connected
- plate
- fixed plate
- sliding
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- 239000000872 buffer Substances 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 abstract description 9
- 238000013016 damping Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of centrifugal fan equipment, especially, be a high-efficient series connection centrifugal fan, to current centrifugal fan because installation base damping performance is relatively poor, lead to the relatively poor problem of installation stability, the following scheme is proposed at present, it includes base and centrifugal fan body, the spout has been seted up at the base top, and slidable mounting has the slide in the spout, the one end of two first buffer spring of the equal fixedly connected with in slide both sides, four first buffer spring's the other end all with spout inner wall fixed connection, vertical groove has been seted up at the slide top, and slidable mounting has the fixed plate in the vertical groove, fixed plate and centrifugal fan body bottom fixed connection, the one end of two second buffer spring of fixed plate bottom fixedly connected with. The utility model discloses a horizontal impact and the vertical impact that produce in the operation process of centrifugal fan cushion to guarantee centrifugal fan's operation and installation stability.
Description
Technical Field
The utility model relates to a centrifugal fan equipment technical field especially relates to a high-efficient series connection centrifugal fan.
Background
Centrifugal ventilators are widely used in industrial and consumer products such as range hoods, air conditioners, air purifiers, refrigerators, air central processing units, and the like. The motor drives the wind wheel to rotate at a high speed to enable the gas to obtain kinetic energy, and the conversion from dynamic pressure energy to static pressure energy is realized inside the volute, so that the gas flows efficiently, and the functional requirements of industrial products and consumer products are met. Through retrieval, chinese patent with publication number CN109838405A provides a series centrifugal fan, which comprises a left volute, a left centrifugal fan blade, a right volute, a right centrifugal fan blade, a motor assembly, and a housing. The left volute is provided with a left volute air inlet and a left volute air outlet, and the right volute is provided with a right volute air inlet and a right volute air outlet. External airflow firstly enters the centrifugal fan from the right volute air inlet, airflow flowing out from the right volute air outlet flows into the left volute air inlet, and finally airflow flows out of the centrifugal fan from the left volute air outlet. The series centrifugal fan adopts one motor, and has the characteristics of high external static pressure, small size, simple structure and the like.
However, when the existing centrifugal fan is installed, the installation stability is poor due to poor damping performance of the installation base, and therefore a high-efficiency series centrifugal fan is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving current centrifugal fan because installation base damping performance is relatively poor, lead to the relatively poor shortcoming of installation stability, and the high-efficient centrifugal fan of establishing ties who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-efficiency series centrifugal fan comprises a base and a centrifugal fan body, wherein a sliding groove is formed in the top of the base, a sliding plate is slidably mounted in the sliding groove, one ends of two first buffer springs are fixedly connected to two sides of the sliding plate, the other ends of the four first buffer springs are fixedly connected with the inner wall of the sliding groove, a vertical groove is formed in the top of the sliding plate, a fixed plate is slidably mounted in the vertical groove and is fixedly connected with the bottom of the centrifugal fan body, one ends of two second buffer springs are fixedly connected to the bottom of the fixed plate, the other ends of the two second buffer springs are fixedly connected with the inner wall of the bottom of the vertical groove, one end of a vertical rod is fixedly connected to the inner wall of the bottom of the vertical groove, a connecting plate is arranged at the bottom of the fixed plate, the other end of the vertical rod extends into the connecting, the other ends of the two third buffer springs are fixedly connected with the bottom of the connecting plate.
Preferably, the both sides of slide top all fixed mounting have the diaphragm, two diaphragms all with base top swing joint, prevent that the dust from getting into in the spout.
Preferably, the one end of two connecting rods of the equal fixedly connected with in centrifugal fan body bottom both sides, two connecting rod outsides all slide the cover and are equipped with the sleeve, two sleeves all with diaphragm top fixed connection, strengthen the support stability of centrifugal fan body.
Preferably, the other ends of the two connecting rods are fixedly connected with one ends of the connecting springs, and the other ends of the two connecting springs are fixedly connected with the inner wall of the bottom of the corresponding sleeve respectively to buffer the movement of the connecting rods.
Preferably, the inner walls of the two sides of the sliding groove are fixedly connected with one ends of limiting rods, and the sliding plate is sleeved on the outer sides of the two limiting rods in a sliding manner and used for guiding and limiting the sliding plate.
Preferably, the fixed cover in connecting plate outside is equipped with the sealing washer, and the sealing washer is connected with spread groove inner wall sliding seal, makes sealing washer and spread groove inner wall form airtight cavity to carry out the motion buffering to the fixed plate through atmospheric pressure.
In the utility model, a high-efficient series connection centrifugal fan, when the centrifugal fan body operation produced vertical impact, the centrifugal fan body drove fixed plate and two connecting rods vibrations of reciprocating from top to bottom, connecting spring cushions the motion of connecting rod, second buffer spring cushions the motion of fixed plate, the fixed plate drove two baffles vibrations from top to bottom simultaneously, third buffer spring cushions the motion of two baffles, and because sealing washer and spread groove inner wall sealing connection, the sealing washer forms airtight cavity with the cooperation of spread groove inner wall, in the fixed plate downstream process, the cavity volume diminishes, thereby make its inside air pressure increase and cushion the motion of fixed plate, in the fixed plate upstream process, the cavity volume becomes big, cavity air pressure reduces, outside atmospheric pressure cushions the motion of fixed plate;
in the utility model, when the centrifugal fan body generates transverse impact during operation, the centrifugal fan body drives the fixed plate to vibrate in a left-right reciprocating manner, the fixed plate drives the sliding plate to vibrate in a left-right reciprocating manner through being connected with the inner walls of the two sides of the vertical groove, and the first buffer spring buffers the movement of the sliding plate through the elasticity of the first buffer spring;
the utility model has the advantages of reasonable design, cushion through horizontal impact and the vertical impact that produces to centrifugal fan operation in-process to guarantee centrifugal fan's operation and installation stability, the reliability is high.
Drawings
Fig. 1 is a schematic structural view of a high-efficiency series centrifugal fan provided by the present invention;
fig. 2 is a schematic structural view of a portion a of a high-efficiency series centrifugal fan provided by the present invention;
fig. 3 is a schematic structural diagram of a part B of the high-efficiency series centrifugal fan provided by the present invention.
In the figure: 1. a base; 2. a centrifugal fan body; 3. a chute; 4. a slide plate; 5. a vertical groove; 6. a fixing plate; 7. a vertical rod; 8. a connecting plate; 9. connecting grooves; 10. a connecting rod; 11. a sleeve; 12. a transverse plate; 13. A limiting rod; 14. a first buffer spring; 15. a second buffer spring; 16. a third buffer spring; 17. a connecting spring; 18. a baffle plate; 19. and (5) sealing rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a high-efficiency series centrifugal fan comprises a base 1 and a centrifugal fan body 2, wherein a chute 3 is arranged at the top of the base 1, a sliding plate 4 is arranged in the chute 3 in a sliding manner, two sides of the sliding plate 4 are fixedly connected with one end of two first buffer springs 14, the other ends of the four first buffer springs 14 are fixedly connected with the inner wall of the chute 3, a vertical groove 5 is arranged at the top of the sliding plate 4, a fixed plate 6 is arranged in the vertical groove 5 in a sliding manner, the fixed plate 6 is fixedly connected with the bottom of the centrifugal fan body 2, the bottom of the fixed plate 6 is fixedly connected with one end of two second buffer springs 15, the other ends of the two second buffer springs 15 are fixedly connected with the inner wall of the bottom of the vertical groove 5, one end of a vertical rod 7 is fixedly connected with the inner wall of the bottom of the vertical, equal fixed mounting has baffle 18 on the inner wall of spread groove 9 both sides, the equal fixedly connected with third buffer spring 16's in two baffle 18 tops one end, two third buffer spring 16's the other end all with connecting plate 8 bottom fixed connection.
The utility model discloses in, the equal fixed mounting in 4 top both sides of slide has diaphragm 12, two diaphragm 12 all with base 1 top swing joint, prevent that the dust from getting into in the spout 3.
The utility model discloses in, 2 bottom both sides of centrifugal fan body one end of two connecting rods 10 of equal fixedly connected with in 2, two connecting rods 10 outside all slip the cover and be equipped with sleeve 11, two sleeve 11 all with diaphragm 12 top fixed connection, strengthen centrifugal fan body 2's support stability.
The utility model discloses in, the equal fixedly connected with connecting spring 17's of the other end of two connecting rods 10 one end, two connecting spring 17's the other end respectively with the sleeve 11 bottom inner wall fixed connection that corresponds, move the buffering to connecting rod 10.
The utility model discloses in, equal fixedly connected with gag lever post 13's one end on the 3 both sides inner walls of spout, slide 4 slip cap establish in two 13 outsides of gag lever post, lead to slide 4 spacing.
The utility model discloses in, 8 outside fixed sheathes in of connecting plate are equipped with sealing washer 19, and sealing washer 19 and spread groove 9 inner wall sliding seal are connected, make sealing washer 19 and spread groove 9 inner wall form airtight cavity to carry out the motion buffering to fixed plate 6 through atmospheric pressure.
In the utility model, when in use, when the centrifugal fan body 2 generates vertical impact during operation, the centrifugal fan body 2 drives the fixed plate 6 and the two connecting rods 10 to vibrate up and down reciprocally, the connecting spring 17 buffers the motion of the connecting rods 10, the second buffer spring 15 buffers the motion of the fixed plate 6, the fixed plate 6 drives the two baffles 18 to vibrate up and down, the third buffer spring 16 buffers the motion of the two baffles 18, and because the sealing ring 19 is hermetically connected with the inner wall of the connecting groove 9, the sealing ring 19 is matched with the inner wall of the connecting groove 9 to form a closed cavity, the cavity volume is reduced during the downward motion of the fixed plate 6, thereby increasing the internal air pressure and buffering the motion of the fixed plate 6, during the upward motion of the fixed plate 6, the cavity volume is increased, the air pressure in the cavity is reduced, the external air pressure buffers the motion of the fixed plate 6, when centrifugal fan body 2 operation produced horizontal impact, reciprocating vibration about centrifugal fan body 2 drove fixed plate 6, reciprocating vibration about fixed plate 6 drove slide 4 through being connected with vertical groove 5 both sides inner wall, and first buffer spring 14 cushions slide 4's motion through the elasticity of self to cushion through horizontal impact and the vertical impact that produces centrifugal fan body 2 operation in-process, with the operation and the installation stability of guaranteeing centrifugal fan body 2.
Claims (6)
1. The high-efficiency series centrifugal fan comprises a base (1) and a centrifugal fan body (2), and is characterized in that a sliding groove (3) is formed in the top of the base (1), a sliding plate (4) is arranged in the sliding groove (3), one ends of two first buffer springs (14) are fixedly connected to two sides of the sliding plate (4), the other ends of the four first buffer springs (14) are fixedly connected with the inner wall of the sliding groove (3), a vertical groove (5) is formed in the top of the sliding plate (4), a fixed plate (6) is arranged in the vertical groove (5) in a sliding manner, the fixed plate (6) is fixedly connected with the bottom of the centrifugal fan body (2), one ends of two second buffer springs (15) are fixedly connected to the bottom of the fixed plate (6), the other ends of the two second buffer springs (15) are fixedly connected with the inner wall at the bottom of the vertical groove (5), one end of a vertical rod (7) is fixedly, connecting groove (9) have been seted up to fixed plate (6) bottom, and the other end of montant (7) extends to in connecting groove (9) and fixed mounting has connecting plate (8), and equal fixed mounting has baffle (18) on the inner wall of connecting groove (9) both sides, the one end of the equal fixedly connected with third buffer spring (16) in two baffle (18) tops, the other end of two third buffer spring (16) all with connecting plate (8) bottom fixed connection.
2. The high-efficiency series centrifugal fan as claimed in claim 1, wherein the two sides of the top of the sliding plate (4) are fixedly provided with transverse plates (12), and the two transverse plates (12) are movably connected with the top of the base (1).
3. The high-efficiency series centrifugal fan as claimed in claim 1, wherein one end of each of the two connecting rods (10) is fixedly connected to each of two sides of the bottom of the centrifugal fan body (2), sleeves (11) are slidably sleeved on the outer sides of the two connecting rods (10), and the two sleeves (11) are fixedly connected to the top of the transverse plate (12).
4. A high-efficiency series centrifugal fan according to claim 3, wherein the other ends of the two connecting rods (10) are fixedly connected with one ends of the connecting springs (17), and the other ends of the two connecting springs (17) are respectively fixedly connected with the inner wall of the bottom of the corresponding sleeve (11).
5. The high-efficiency series centrifugal fan as claimed in claim 1, wherein one end of the limiting rod (13) is fixedly connected to the inner walls of the two sides of the chute (3), and the sliding plate (4) is slidably sleeved on the outer sides of the two limiting rods (13).
6. A high-efficiency series centrifugal fan as claimed in claim 1, wherein the connecting plate (8) is fixedly sleeved with a sealing ring (19) at the outer side, and the sealing ring (19) is connected with the inner wall of the connecting groove (9) in a sliding and sealing manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021183225.2U CN212717403U (en) | 2020-06-23 | 2020-06-23 | High-efficient series connection centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021183225.2U CN212717403U (en) | 2020-06-23 | 2020-06-23 | High-efficient series connection centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212717403U true CN212717403U (en) | 2021-03-16 |
Family
ID=74962049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021183225.2U Expired - Fee Related CN212717403U (en) | 2020-06-23 | 2020-06-23 | High-efficient series connection centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212717403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753182A (en) * | 2023-07-10 | 2023-09-15 | 无锡精恩风机有限公司 | Lithium battery desorption fan stable in operation |
-
2020
- 2020-06-23 CN CN202021183225.2U patent/CN212717403U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753182A (en) * | 2023-07-10 | 2023-09-15 | 无锡精恩风机有限公司 | Lithium battery desorption fan stable in operation |
| CN116753182B (en) * | 2023-07-10 | 2024-02-23 | 无锡精恩风机有限公司 | Lithium battery desorption fan stable in operation |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210316 |
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| CF01 | Termination of patent right due to non-payment of annual fee |