CN216518824U - Centrifugal fan impeller fixing device - Google Patents
Centrifugal fan impeller fixing device Download PDFInfo
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- CN216518824U CN216518824U CN202123251538.4U CN202123251538U CN216518824U CN 216518824 U CN216518824 U CN 216518824U CN 202123251538 U CN202123251538 U CN 202123251538U CN 216518824 U CN216518824 U CN 216518824U
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Abstract
The utility model discloses a centrifugal fan impeller fixing device, the centrifugal fan includes: the device comprises a base, a protective cylinder, a cover plate, an impeller and a fixing component, wherein the top of the base is provided with the protective cylinder, the front end of the protective cylinder is provided with the cover plate, the protective cylinder and the cover plate are connected through a buckle, and the impeller and the fixing component are arranged between the protective cylinder and the cover plate; wherein the fixing component comprises a butt joint disc, and the butt joint disc is driven by a motor arranged outside the protective cylinder; support ring and bolt. According to the centrifugal fan impeller fixing device, firstly, the pin grooves are formed in the outer portion of the impeller and correspond to the support ring and the pins outside the butt joint disc, so that the connecting difficulty of the impeller and the motor can be reduced, and the impeller can be conveniently replaced and repaired; secondly, through the mount pad that has the pulley at the inner wall installation of protection section of thick bamboo, and the mount pad passes through the spring to be connected with pressure sensor, can detect when the impeller rotates, whether take place to rock or squint, conveniently in time repair and the adjustment to the impeller.
Description
Technical Field
The utility model relates to the technical field of fans, in particular to a centrifugal fan impeller fixing device.
Background
The centrifugal fan is a driven fluid machine which increases the gas pressure and discharges gas by means of input mechanical energy, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion;
at present, when the existing centrifugal fan impeller is fixed, bolts are adopted for fixing, tools are needed, and a great deal of time and energy are needed when the impeller is installed, when the impeller is damaged or the interior of the fan needs to be detected, the fan needs to be disassembled, the process also needs to take a certain time, and the blower is also required to stop working, so that the normal use of other devices (devices matched with the blower) is seriously influenced, secondly, because the impeller of the fan is arranged in the device, the direct observation cannot be realized, when the impeller rotates, when slope or skew appear, also unable timely repair, lead to the inclined state of impeller further abominable, lead to the fan to damage, influence the security that the fan used, for this reason, we provide a centrifugal fan impeller fixing device.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a centrifugal fan impeller fixing device, which solves the technical problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a centrifugal fan impeller retention device, the centrifugal fan comprising:
the impeller protection device comprises a base, a protection cylinder, a cover plate, an impeller and a fan, wherein the top of the base is provided with the protection cylinder, the front end of the protection cylinder is provided with the cover plate, the protection cylinder and the cover plate are connected through a buckle, and the impeller is arranged between the protection cylinder and the cover plate; and
the fixing assembly is arranged between the protective cylinder and the cover plate and is used for fixing the impeller;
wherein the fixing assembly comprises:
the butt joint disc is connected to the inner side of the protective cylinder through a bearing and is driven by a motor arranged on the outer side of the protective cylinder;
the support ring is connected to the center of the cover plate through a bearing, and the support ring corresponds to the butt joint disc; and
the bolts are respectively arranged on the opposite side walls of the butt joint disc and the support ring and correspond to the pin grooves formed in the outer portion of the impeller in a one-to-one mode.
Preferably, a through hole is formed in the center of the cover plate, and the support ring is connected with the inner wall of the through hole.
Preferably, the impeller comprises two sets of disk-shaped mounting disks and blades arranged between the two sets of mounting disks, and the blades are arc-shaped.
Through the blade between two sets of mounting discs, and the shape of blade is the arc, can outwards promote air when the impeller rotates, and air outwards flows along the clearance between the blade.
Preferably, one side of the impeller is provided with a clamping pipe in a circular ring shape, and the clamping pipe is attached to the inner wall of the support ring.
Preferably, the buckle includes that the multiunit is installed at the outside pin rod of a protection section of thick bamboo and is installed the spacer pin at the apron outer wall, and every spacer pin of group and pin rod one-to-one, all through spring coupling between spacer pin and the apron and between the outer wall of pin rod and a protection section of thick bamboo.
Through the internally mounted pin rod at a protection section of thick bamboo to correspond with the outside spacer pin of apron, can be as required with a protection section of thick bamboo and apron connection or separation, reduce the degree of difficulty that the impeller was changed.
Preferably, the press cap is installed to the one end of pin pole, and the other end corresponds with the spacer pin, the bottom of press cap is installed and is the annular go-between of circle, and the thread groove that the go-between and protective barrel outside were seted up is connected.
Preferably, when the protection cylinder is closed with the cover plate, the limiting pin is inserted into the inner wall of the protection cylinder and attached to the bottom end of the pin rod.
Preferably, when the connecting ring is connected with the thread groove, the bottom of the pin rod is flush with the inner wall of the protective cylinder, and the top of the limiting pin is flush with the outer wall of the cover plate.
Preferably, the internally mounted of a protection section of thick bamboo has the mount pad, and the bottom of mount pad is passed through the spring and is connected with the pressure sensor who installs at a protection section of thick bamboo inside, the outside of mount pad is connected with the pulley through the pivot, and the outer wall laminating of pulley and mounting disc.
(III) advantageous effects
Firstly, the pin slot is formed in the outer part of the impeller and corresponds to the support ring and the pin outside the joint disc, so that the connecting difficulty of the impeller and the motor can be reduced, and secondly, the buckle connection is arranged between the protection cylinder and the cover plate, so that the fixing and replacing difficulty of the impeller can be reduced, and the impeller can be conveniently replaced and repaired;
secondly, the pin rod is arranged in the protection cylinder and corresponds to the limiting pin outside the cover plate, so that the protection cylinder and the cover plate can be connected or separated as required, and the difficulty in replacing the impeller is further reduced;
thirdly, through the mount pad that has the pulley at the inner wall installation of a protection section of thick bamboo, and by spring coupling between mount pad and the pressure sensor, can detect whether the impeller takes place to rock or squint when the impeller rotates, conveniently in time repairs and adjusts the impeller.
Drawings
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
FIG. 1 is an overall view of a centrifugal fan impeller fixing device according to the present invention;
FIG. 2 is an exploded view of a centrifugal fan impeller retaining apparatus of the present invention;
FIG. 3 is a view showing the construction of the shield cylinder and the motor in the centrifugal fan impeller fixing device according to the present invention;
FIG. 4 is a structural diagram of a support ring in the centrifugal fan impeller fixing device according to the present invention;
FIG. 5 is a structural diagram of an impeller of the centrifugal fan impeller fixing device according to the present invention;
FIG. 6 is one of the partial cross-sectional views of the shield cylinder and cover plate of the centrifugal fan impeller retaining apparatus of the present invention;
FIG. 7 is a second partial cross-sectional view of the shield cylinder and the cover plate of the centrifugal fan impeller fixing device according to the present invention;
fig. 8 is a partial cross-sectional view of a shield cylinder in a centrifugal fan impeller retaining apparatus of the present invention.
Illustration of the drawings: 1. a base; 2. a protective cylinder; 3. a motor; 4. a cover plate; 5. a support ring; 6. an impeller; 7. a docking tray; 8. a bolt; 9. a blade; 10. clamping the connecting pipe; 11. a pin rod; 12. a spacing pin; 13. a connecting ring; 14. a mounting seat; 15. a pulley; 16. a pressure sensor.
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. In addition, for the convenience of description, the terms "upper", "lower", "left" and "right" are used to refer to the same direction as the upper, lower, left, right, etc. of the drawings, and the terms "first", "second", etc. are used for descriptive distinction and have no special meaning.
In view of the problems in the prior art, as shown in fig. 1 to 8, the present invention provides a centrifugal fan impeller fixing device, including:
the device comprises a base, a protective cylinder is arranged at the top of the base, a cover plate is arranged at the front end of the protective cylinder, the protective cylinder and the cover plate are connected through a buckle, and an impeller is arranged between the protective cylinder and the cover plate; and
the fixing component is arranged between the protective cylinder and the cover plate and is used for fixing the impeller;
wherein, fixed subassembly contains:
the butt joint disc is connected to the inner side of the protective cylinder through a bearing and is driven by a motor arranged on the outer side of the protective cylinder;
the support ring is connected to the center of the cover plate through a bearing and corresponds to the butt joint disc; and
the bolts are respectively arranged on the opposite side walls of the butt joint disc and the support ring and correspond to the pin grooves formed in the outer portion of the impeller in a one-to-one mode.
Referring to fig. 1 and 2, a through hole is formed at the center of the cover plate, and the support ring is connected with the inner wall of the through hole.
Through set up the through-hole in the center department of support ring, and the support ring is connected with the inner wall of through-hole for support ring and apron link together.
Referring to fig. 5, the impeller includes two sets of disk-shaped mounting disks and blades mounted between the two sets of mounting disks, and the blades are arc-shaped.
Through the blade between two sets of mounting discs, and the shape of blade is the arc, can outwards promote air when the impeller rotates, and air outwards flows along the clearance between the blade.
Referring to fig. 4 and 5, a clamping pipe in a ring shape is installed at one side of the impeller, and the clamping pipe is attached to the inner wall of the support ring.
The annular clamping pipe is arranged on one side of the impeller, the clamping pipe is attached to the inner wall of the support ring, and one end of the impeller can be limited (and supporting force is provided for the end of the impeller).
Referring to fig. 6, the buckle includes a plurality of sets of pin rods installed outside the protection cylinder and limit pins installed on the outer wall of the cover plate, each set of limit pins corresponds to the pin rods one to one, and the limit pins and the cover plate and the pin rods and the outer wall of the protection cylinder are connected through springs.
Through the internally mounted pin rod at a protection section of thick bamboo to correspond with the outside spacer pin of apron, can be as required with a protection section of thick bamboo and apron connection or separation, reduce the degree of difficulty that the impeller was changed.
Referring to fig. 6, one end of the pin rod is provided with a pressing cap, the other end of the pin rod corresponds to the limit pin, the bottom of the pressing cap is provided with a circular connecting ring, and the connecting ring is connected with a thread groove arranged outside the protective cylinder.
Referring to fig. 6, when the protective cylinder and the cover plate are closed, the limiting pin is inserted into the inner wall of the protective cylinder and attached to the bottom end of the pin rod.
Referring to fig. 7, when the connection ring is connected to the thread groove, the bottom of the pin rod is flush with the inner wall of the protective cylinder, and the top of the stopper pin is flush with the outer wall of the cover plate.
Referring to fig. 8, a mounting seat is mounted inside the protective cylinder, the bottom of the mounting seat is connected with a pressure sensor mounted inside the protective cylinder through a spring, a pulley is connected to the outside of the mounting seat through a rotating shaft, and the pulley is attached to the outer wall of the mounting disc.
Through the mount pad that has the pulley at the inner wall installation of a protection section of thick bamboo, and by spring coupling between mount pad and the pressure sensor, can detect whether the impeller takes place to rock or squint when the impeller rotates, conveniently in time repairs and adjusts the impeller.
When the impeller in the fan needs to be replaced, the pressing cap outside the protective cylinder is pressed firstly, the pressing cap is connected with the screw rod, so that the screw rod can be extruded downwards when the pressing cap is pressed, and one end of the limiting pin is contacted with the bottom of the screw rod, so that the limiting pin can be extruded into the cover plate in the downward moving process of the screw rod, when the connecting ring is contacted with the thread groove, the pressing cap is rotated, so that the pressing cap and the connecting ring below the pressing cap rotate together (at the moment, the connecting ring is connected with the thread groove) to form a shape shown as 6, at the moment, the top surface of the limiting pin is flush with the outer wall of the cover plate, then the cover plate can be taken down from the outside of the protective cylinder to form a shape shown as figure 2, at the moment, the impeller is displayed in front of a worker, and the impeller can be taken out from the protective cylinder by a user (the plug pin outside the butt joint disc is correspondingly plugged with the pin groove of the outer wall of the impeller, the pin is disengaged from the socket during outward movement of the impeller).
During impeller installation, place a protection section of thick bamboo with the impeller to make the slot of impeller outer wall and the outside bolt one-to-one of docking tray, later promote the impeller to a protection section of thick bamboo direction, make the bolt insert in the slot (this moment, the mounting disc on the impeller and the pulley laminating of a protection section of thick bamboo inner wall), accomplish the back, install the outside of a protection section of thick bamboo with the apron.
When the cover plate is installed, the cover plate is inserted into the protective barrel (the limiting pin outside the cover plate is pressed, so that the limiting pin is contracted into the cover plate to form the shape shown in fig. 1), at the moment, the limiting pin on the outer wall of the cover plate corresponds to the pin rod on the inner wall of the protective barrel, then, the screw rod inserted outside the protective barrel is sequentially rotated, so that the connecting ring outside the screw rod and the thread groove rotate relatively, when the connecting ring is separated from the thread groove, the screw rod moves outwards under the action of the spring of the pressing cap and the outer wall of the protective barrel, at the moment, the limiting pin moves upwards under the action of the spring at the bottom of the limiting pin and is inserted into the protective barrel to form the shape shown in fig. 7, and then the installation of the impeller is completed.
When the impeller inclines or deviates, the motor drives the impeller to rotate, the impeller shakes, the pulley is attached to the outer wall of the impeller (the spring at the bottom of the pulley pushes the pulley towards the impeller so that the pulley is attached to the impeller), when the impeller shakes, the pulley also moves together (the pulley at the position moves up and down because the pulley is fixed at a certain position and cannot move), when the pulley moves down, the spring between the pulley and the pressure sensor is extruded, the pressure detected by the pressure sensor is increased (because the pressure sensor is connected with one end of the spring, the acting force received by the pressure sensor is the elastic force of the spring on the pressure sensor), similarly, when the pulley moves up, the spring between the pulley and the pressure sensor is stretched, the pressure detected by the pressure sensor is reduced, and the numerical value detected by the pressure sensor is observed to change, whether the impeller rocks can be detected more visually, the impeller is convenient and timely to replace and repair, and therefore the use safety of the device is improved.
Examples
Referring to fig. 1 to 8, the present invention provides a centrifugal fan impeller fixing device, the centrifugal fan including:
the device comprises a base 1, wherein a protective cylinder 2 is installed at the top of the base 1, a cover plate 4 is installed at the front end of the protective cylinder 2, the protective cylinder 2 is connected with the cover plate 4 through a buckle, and an impeller 6 is placed between the protective cylinder 2 and the cover plate 4; and
the fixing component is arranged between the protective cylinder 2 and the cover plate 4 and is used for fixing the impeller 6;
wherein the fixing assembly comprises:
the butt joint disk 7 is connected to the inner side of the protective cylinder 2 through a bearing, and the butt joint disk 7 is driven by the motor 3 arranged on the outer side of the protective cylinder 2;
the support ring 5 is connected to the center of the cover plate 4 through a bearing, and the support ring 5 and the butt joint disc 7 correspond to each other; and
the bolts 8 are respectively arranged on the opposite side walls of the butt joint disc 7 and the support ring 5, and the bolts 8 correspond to the pin grooves formed in the outer portion of the impeller 6 in a one-to-one mode.
Referring to fig. 1 and 2, a through hole is formed at the center of the cover plate 4, and the support ring 5 is connected to the inner wall of the through hole.
Referring to fig. 5, the impeller 6 includes two sets of disk-shaped mounting plates and blades 9 mounted between the two sets of mounting plates, and the blades 9 are arc-shaped.
Referring to fig. 4 and 5, a clamping pipe 10 in a circular ring shape is installed at one side of the impeller 6, and the clamping pipe 10 is attached to the inner wall of the support ring 5.
Referring to fig. 6, the buckle includes a plurality of sets of pins 11 installed outside the protection cylinder 2 and limit pins 12 installed on the outer wall of the cover plate 4, each set of limit pins 12 corresponds to the corresponding pin 11, and the limit pins 12 and the cover plate 4 and the pin 11 and the outer wall of the protection cylinder 2 (the outer wall of the protection cylinder 2 is close to the top) are connected through springs.
Referring to fig. 6, a pressing cap is installed at one end of the pin rod 11, the other end of the pin rod corresponds to the limit pin 12, a connecting ring 13 in a circular ring shape is installed at the bottom of the pressing cap, and the connecting ring 13 is connected with a thread groove formed outside the protective cylinder 2.
Referring to fig. 6, when the protection cylinder 2 and the cover plate 4 are closed, the limit pin 12 is inserted into the inner wall of the protection cylinder 2 and attached to the bottom end of the pin rod 11.
Referring to fig. 7, when the connection ring 13 is connected to the thread groove, the bottom of the pin 11 is flush with the inner wall of the protective cylinder 2, and the top of the limit pin 12 is flush with the outer wall of the cover plate 4, forming a shape as shown in fig. 7, when the top of the limit pin 12 is flush with the outer wall of the cover plate 4, and the bottom of the pin 11 is flush with the inner wall of the protective cylinder 2, the cover plate 4 is pulled outwards to be separated from the protective cylinder 2, and the limit pin and the pin do not affect the normal movement of the cover plate.
Referring to fig. 8, the internally mounted of protection section of thick bamboo 2 has mount pad 14 (the excircle contact of mount pad 14 and mounting disc), and the bottom of mount pad 14 is passed through the spring and is connected with the pressure sensor 16 of installing in protection section of thick bamboo 2 inside, the outside of mount pad 14 is connected with pulley 15 through the pivot, and the laminating of the outer wall of pulley 15 and mounting disc, when the mounting disc is rotatory, rotatory together with its outer wall connection's pulley 15, if the mounting disc rocks the time, can drive 15 and rock, pressure sensor detects pressure variation, learns whether rock, consequently can rock the change that produces when rocking through the pulley, detect the condition of rocking of mounting disc.
Those skilled in the art will appreciate that the figures are merely schematic representations of one preferred implementation scenario and that the blocks or processes in the figures are not necessarily required to practice this patent.
Those skilled in the art will appreciate that the modules in the devices in the implementation scenario may be distributed in the devices in the implementation scenario according to the description of the implementation scenario, or may be located in one or more devices different from the present implementation scenario with corresponding changes. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.
The disclosure is only for the concrete implementation of the patent, but the patent is not limited to the above, and any changes that can be made by those skilled in the art are intended to fall within the protection scope of the patent.
Claims (9)
1. The utility model provides a centrifugal fan impeller fixing device which characterized in that, this centrifugal fan includes:
the device comprises a base (1), wherein a protective cylinder (2) is installed at the top of the base (1), a cover plate (4) is installed at the front end of the protective cylinder (2), the protective cylinder (2) is connected with the cover plate (4) through a buckle, and an impeller (6) is placed between the protective cylinder (2) and the cover plate (4); and
the fixing component is arranged between the protective cylinder (2) and the cover plate (4) and is used for fixing the impeller (6); wherein the fixing assembly comprises:
the butt joint disc (7) is connected to the inner side of the protective cylinder (2) through a bearing, and the butt joint disc (7) is driven to rotate by a motor (3) arranged on the outer side of the protective cylinder (2);
the support ring (5) is connected to the center of the cover plate (4), the support ring (5) is connected with the cover plate (4) through a bearing, and the support ring (5) corresponds to the butt joint disc (7); and
the bolt (8), bolt (8) set up respectively on the relative lateral wall of butt joint dish (7) and support ring (5), and bolt (8) correspond one-to-one with the cotter way that impeller (6) outside was seted up.
2. A centrifugal fan impeller mounting apparatus according to claim 1, wherein: the center of the cover plate (4) is provided with a through hole, and the support ring (5) is connected with the inner wall of the through hole.
3. A centrifugal fan impeller mounting apparatus according to claim 1, wherein: impeller (6) contain two sets of discoid mounting discs and install blade (9) between two sets of mounting discs, and the shape of blade (9) is the arc.
4. A centrifugal fan impeller mounting apparatus according to claim 1, wherein: one side of the impeller (6) is provided with a clamping pipe (10) which is in a circular ring shape, and the clamping pipe (10) is attached to the inner wall of the support ring (5).
5. A centrifugal fan impeller mounting apparatus according to claim 1, wherein: the buckle includes that the multiunit is installed at outside pin rod (11) of a protection section of thick bamboo (2) and is installed spacer pin (12) at apron (4) outer wall, and every spacer pin of group (12) and pin rod (11) one-to-one, all through spring coupling between spacer pin (12) and apron (4) and between pin rod (11) and the outer wall of a protection section of thick bamboo (2).
6. A centrifugal fan impeller fixing device according to claim 5, characterized in that: the utility model discloses a safety protection device, including a safety cover, a pressure cap is installed to the one end of pin pole (11), the other end corresponds with spacer pin (12), install according to the bottom of cap and be the annular go-between (13), and the thread groove that a protection section of thick bamboo (2) outside was seted up is connected in go-between (13).
7. A centrifugal fan impeller fixing device according to claim 5, characterized in that: when the protective cylinder (2) and the cover plate (4) are closed, the limiting pin (12) is inserted into the inner wall of the protective cylinder (2) and attached to the bottom end of the pin rod (11).
8. A centrifugal fan impeller fixing device according to claim 6, characterized in that: when the connecting ring (13) is connected with the thread groove, the bottom of the pin rod (11) is flush with the inner wall of the protective cylinder (2), and the top of the limiting pin (12) is flush with the outer wall of the cover plate (4).
9. A centrifugal fan impeller mounting apparatus according to claim 3, wherein: the interior mounting of a protection section of thick bamboo (2) has mount pad (14), and the bottom of mount pad (14) is passed through the spring and is connected with pressure sensor (16) of installing in a protection section of thick bamboo (2) inside, the outside of mount pad (14) is connected with pulley (15) through the pivot, and the outer wall laminating of pulley (15) and mounting disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123251538.4U CN216518824U (en) | 2021-12-23 | 2021-12-23 | Centrifugal fan impeller fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123251538.4U CN216518824U (en) | 2021-12-23 | 2021-12-23 | Centrifugal fan impeller fixing device |
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| Publication Number | Publication Date |
|---|---|
| CN216518824U true CN216518824U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123251538.4U Active CN216518824U (en) | 2021-12-23 | 2021-12-23 | Centrifugal fan impeller fixing device |
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| CN (1) | CN216518824U (en) |
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2021
- 2021-12-23 CN CN202123251538.4U patent/CN216518824U/en active Active
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