CN218030815U - Centrifugal fan with replaceable impeller - Google Patents
Centrifugal fan with replaceable impeller Download PDFInfo
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- CN218030815U CN218030815U CN202222590207.1U CN202222590207U CN218030815U CN 218030815 U CN218030815 U CN 218030815U CN 202222590207 U CN202222590207 U CN 202222590207U CN 218030815 U CN218030815 U CN 218030815U
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- impeller
- casing
- centrifugal fan
- locking
- install bin
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Abstract
The utility model relates to a centrifugal fan technical field, concretely relates to removable centrifugal fan of impeller, including servo motor and impeller, the impeller can be dismantled with servo motor and be connected, still including conveniently changing installation device, conveniently change installation device and include the install bin, a housing, locking buckle and locking Assembly, install bin and servo motor fixed connection, the casing passes through hinge connection with the install bin, and be located the side open end of install bin, locking buckle and casing fixed connection, and be located the one side that the casing is close to the install bin, locking Assembly installs in the mounting groove of install bin, it is more convenient to obtain the closure of casing when changing the impeller, the effect of the time of sparingly changing the impeller.
Description
Technical Field
The utility model relates to a centrifugal fan technical field especially relates to a removable centrifugal fan of impeller.
Background
The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. After long-time use, can pile up a large amount of dust dirt etc. on centrifugal fan's the impeller, can influence centrifugal fan's effects such as ventilation, dust exhaust, so need clear up the impeller, present overwhelming majority of centrifugal fan impellers are all placed inside the casing, the casing passes through bolt fixed connection, the operation complicacy is unfavorable for the staff to clear up the impeller, and the impeller is most directly welded with the output shaft of motor, do not utilize to change the impeller of damage, it is inconvenient to clear up.
Prior art CN109058140A discloses a novel centrifugal impeller fan, including motor case and casing, the right flank of motor case and the left surface swing joint of casing, the inside left surface fixedly connected with servo motor of motor case, servo motor's output shaft fixedly connected with dwang. This centrifugal impeller fan, through having set up the second expanding spring, the movable block, connecting rod and chucking piece, the second expanding spring promotes the movable block rebound, thereby make chucking piece and joint groove joint, realized the fixed to motor case and casing, still through having set up the round bar and pressing the briquetting, conveniently carry out to dismantle the casing and get off and clear up the impeller, through having set up the dwang, the bottom plate, riser and gag lever post, make the bottom plate can cup joint and rotate on the dwang, still through having set up the fixed block, first expanding spring and stopper, the stopper carries out spacing fixed to the bottom plate under first expanding spring's effect, the convenience is changed the impeller.
When dismantling the casing to great centrifugal fan among the prior art, it is more troublesome to press the mode of dismantling the casing simultaneously from top to bottom, and after the impeller clearance is changed and is accomplished, the casing is also troublesome relatively with being connected of motor case and is aimed at, convenient and fast inadequately.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a removable centrifugal fan of impeller has solved among the prior art when dismantling the casing to great centrifugal fan, and is more troublesome through the mode of pressing down simultaneously from top to bottom and dismantles the casing, and after the completion is changed in the impeller clearance, and the casing is also troublesome relatively with being connected of motor case and is aimed at, not enough convenient and fast's problem.
In order to achieve the purpose, the utility model provides a centrifugal fan with a replaceable impeller, which comprises a servo motor and an impeller, wherein the impeller is detachably connected with the servo motor,
the device is convenient to replace and install;
the convenient replacement and installation device comprises an installation box, a casing, a locking buckle and a locking assembly, wherein the installation box is fixedly connected with the servo motor, the casing is connected with the installation box through a hinge and is positioned at the side opening end of the installation box, the locking buckle is fixedly connected with the casing and is positioned at one side of the installation box, and the locking assembly is installed in the installation groove of the installation box.
The locking assembly comprises a locking block, a rack and a rotating member, wherein the locking block is fixedly connected with the rack and matched with a groove of the locking buckle; the rack is connected with the rotating component and is connected with the rotating component; the rotating member is meshed with the rack and is installed in the installation groove of the installation box.
The rotating component comprises a mounting slide rail, a shaft lever and a gear, wherein the mounting slide rail is fixedly connected with the mounting box and is positioned at the bottom of the groove of the mounting box; the shaft lever is rotatably connected with the mounting slide rail through a bearing and is positioned on one side of the mounting slide rail; the gear is fixedly connected with the shaft rod and is meshed and connected with the rack.
The installation device convenient to replace further comprises a handle, wherein the handle is fixedly connected with the machine shell and is positioned on one side of the machine shell.
The convenient-to-replace mounting device further comprises a friction pad, the friction pad is fixedly connected with the handle, and the friction pad is fixedly sleeved on the handle.
The utility model discloses a removable centrifugal fan of impeller works as locking Assembly with locking buckle contact locking state, it is convenient the casing is opened, will the impeller with servo motor tears open the dismantlement, will the impeller is changed and is accomplished the back that finishes, will again the casing with the install bin is closed, through locking Assembly is right the locking buckle is fixed, realizes removable centrifugal fan of impeller is changing during the impeller the closure of casing is more convenient, sparingly changes the time of impeller.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a front connection schematic view of a centrifugal fan with replaceable impeller according to a first embodiment of the present invention.
Fig. 2 is a schematic top connection view of a centrifugal fan with replaceable impeller according to a first embodiment of the present invention.
Fig. 3 is an enlarged view of fig. 2 a according to the first embodiment of the present invention.
Fig. 4 is a connection diagram of the locking assembly according to the first embodiment of the present invention.
Fig. 5 is a schematic view of the overall structure of a centrifugal fan with replaceable impellers according to a second embodiment of the present invention.
In the figure: 101-servo motor, 102-impeller, 103-mounting box, 104-shell, 105-locking buckle, 106-locking block, 107-rack, 108-mounting slide rail, 109-shaft rod, 110-gear, 211-handle and 212-friction pad.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, which are described below by way of example with reference to the accompanying drawings, and which are intended to illustrate the present invention and are not to be construed as limiting the same.
The first embodiment:
please refer to fig. 1 to 4, wherein fig. 1 is a front view connection schematic diagram of a centrifugal fan with replaceable impeller according to a first embodiment of the present invention, fig. 2 is a top view connection schematic diagram of the centrifugal fan with replaceable impeller according to the first embodiment of the present invention, fig. 3 is an enlarged view of a point a of fig. 2 according to the first embodiment of the present invention, and fig. 4 is a connection schematic diagram of a locking assembly according to the first embodiment of the present invention.
The utility model relates to a removable centrifugal fan of impeller 102: the device comprises a servo motor 101, an impeller 102 and a device convenient to replace, wherein the device convenient to replace comprises a mounting box 103, a casing 104, a locking buckle 105 and a locking assembly, the locking assembly comprises a locking block 106, a rack 107 and a rotating component, and the rotating component comprises a mounting slide rail 108, a shaft rod 109 and a gear 110. The problem that the impeller 102 is inconvenient to replace when a large centrifugal fan is disassembled from the casing 104 in the prior art is solved through the preceding scheme, and it can be understood that the foregoing scheme can enable the casing 104 to be closed to facilitate the replacement of the mechanical energy of the impeller 102.
In the embodiment, servo motor 101 passes through mount pad fixed mounting in the installation cavity bottom of install bin 103, just servo motor 101's rotation output end orientation the side direction opening of install bin 103, just fixed mounting has on servo motor 101's the rotation output end with the mount pad of being connected is dismantled to impeller 102, is used for realizing servo motor 101 with the connection dismantled of impeller 102, the convenience will impeller 102 changes the operation, be close to on the impeller 102 one side of servo motor 101 is equipped with mount pad complex connecting rod, through servo motor 101 drive impeller 102 rotates the air-out function that realizes centrifugal fan, just impeller 102 is connected with dismantling of centrifugal fan, realizes centrifugal fan impeller 102 conveniently changes.
The mounting box 103 is fixedly connected with the servo motor 101, the casing 104 is connected with the mounting box 103 through hinges and is located at the side opening end of the mounting box 103, the locking buckle 105 is fixedly connected with the casing 104 and is located at one side, close to the mounting box 103, of the casing 104, and the locking assembly is mounted in a mounting groove of the mounting box 103. The mounting box 103 is internally provided with a mounting cavity for providing mounting conditions for the servo motor 101 and the impeller 102, a mounting groove is formed in one side of a lateral opening of the mounting box 103 and used for providing mounting conditions for the locking assembly, one side of the casing 104 is rotatably connected with one side of the mounting box 103 through a hinge, the casing 104 comprises a connecting frame, an air outlet and a protection through plate, the casing 104 is prevented from accidentally extending into the centrifugal fan and being twisted by the rotating impeller 102 through the protection through plate, one side, close to the mounting groove of the mounting box 103, of the casing 104 is provided with the locking buckle 105, grooves matched with the locking block 106 of the locking assembly are formed in the upper end and the lower end of the locking buckle 105, locking operation is achieved through superposition of the locking block 106 and the locking buckle 105, the casing 104 is fixed with the mounting box 103 and cannot be opened, the locking assembly is mounted in the mounting groove of the mounting box 103, and is connected with the locking buckle 105 through matching of the locking assembly, and the closed state of the casing 104 and the mounting box 103 is controlled; therefore, the casing 104 and the mounting box 103 are fixed by fixing the locking assembly and the locking buckle 105, and when the locking assembly and the locking buckle 105 are in a contact locking state, the casing 104 is conveniently opened to replace the impeller 102.
Secondly, the locking block 106 is fixedly connected with the rack 107 and is matched with the groove of the locking buckle 105; the rack 107 is connected with the rotating member and is connected with the rotating member; the rotating member is engaged with the rack 107 and is installed in the installation groove of the installation box 103. The locking blocks 106 are L-shaped, one end of each locking block 106 is fixedly connected with the end part of the rack 107, the other end of each locking block 106 is matched with the groove of the locking buckle 105 to realize the locking operation with the locking buckle 105, the two locking blocks 106 are different in length, the transverse length of the locking block 106 at the upper end is shorter than that of the locking block 106 at the lower end, in order to be connected with the two racks 107 which are different in position and close to the locking buckle 105 and matched with the grooves of the locking buckle 105, two rack 107 is installed respectively the both sides of rotating member, one side of rack 107 is equipped with the meshing tooth, and two rack 107 has the relative installation in one side of meshing tooth, through rack 107 is connected with the rotating member meshing, rotating member fixed mounting is in install bin 103's inside, through the rotating member drive is two rack 107 drives latch segment 106 carries out and is close to the motion and keeps away from the motion, and the realization is right locking buckle 105's locking and releasing locking operation.
Meanwhile, the mounting slide rail 108 is fixedly connected with the mounting box 103 and is positioned at the bottom of the groove of the mounting box 103; the shaft rod 109 is rotatably connected with the mounting slide rail 108 through a bearing and is positioned at one side of the mounting slide rail 108; the gear 110 is fixedly connected to the shaft 109 and is engaged with the rack 107. The mounting slide rail 108 is fixedly mounted at the middle position of the inner side of the mounting groove of the mounting box 103, the mounting slide rail 108 is a cuboid with a through hole in the middle to provide a mounting sliding condition for the gear 110 and the rack 107, one end of the shaft rod 109 penetrates through the side wall of the mounting box 103, extends into the mounting groove of the mounting box 103, penetrates through the mounting slide rail 108, extends into the mounting slide rail 108, and is connected with the mounting slide rail 108 through a bearing, one end of the shaft rod 109, which extends into the mounting slide rail 108, is fixedly connected with the gear 110, one end of the shaft rod 109, which is located at the outer side of the mounting box 103, is a rotating round handle, so that the shaft rod 109 can be rotated manually conveniently, the gear 110 is connected through the shaft rod 109, and is driven to rotate the gear 110, the gear 110 is a cylinder, and teeth meshed with teeth on the rack 107 are arranged on the arc-shaped outer side of the gear 110, so as to realize the meshed connection between the gear 110 and the rack 107; therefore, the shaft rod 109 is rotated to drive the gear 110 to rotate forward, the gear 110 drives the two racks 107 to move relatively, so that the two locking blocks 106 respectively connected with the two racks 107 are close to each other and extend into the grooves of the locking buckle 105, thereby realizing locking operation, and when the shaft rod 109 is rotated to drive the gear 110 to rotate backward, the two racks 107 drive the two locking blocks 106 to be away from each other, thereby releasing the locking state between the locking blocks and the locking buckle 105.
When the casing is disassembled from a larger centrifugal fan in the embodiment, when the locking assembly is in contact with the locking buckle 105 to be locked, the casing 104 is conveniently opened, the impeller 102 is disassembled from the servo motor 101, the impeller 102 is replaced and then is closed with the installation box 103, and the locking assembly is used for fixing the locking buckle 105, so that the impeller 102 can be replaced by the replaceable centrifugal fan, the casing 104 is more conveniently closed, and the time for replacing the impeller 102 is saved.
Second embodiment:
referring to fig. 5, fig. 5 is a schematic view of an overall structure of a centrifugal fan with replaceable impeller according to a second embodiment of the present invention. On the basis of the first embodiment, the replacement-facilitating mounting device of the present embodiment further includes a handle 211 and a friction pad 212.
In this embodiment, the handle 211 is fixedly connected to the housing 104 and is located at one side of the housing 104. The friction pad 212 is fixedly connected with the handle 211 and fixedly sleeved on the handle 211. Handle 211 is the U font, and vertical the installation the casing 104 is close to the side of locking buckle 105 one end, through handle 211 conveniently to the casing 104 application of force, will casing 104 is closed or is opened, fixed cover is equipped with on handle 211's the vertical pole friction pad 212, friction pad 212 is the ring shape, just be equipped with little salient point on the outside of friction pad 212, through the friction of friction pad 212 increase with the contact surface, more conveniently stimulate handle 211 is right casing 104 application of force.
While the above disclosure describes one or more preferred embodiments of the present invention, it is not intended to limit the scope of the claims to such embodiments, and one skilled in the art will understand that all or a portion of the processes performed in the above embodiments may be practiced without departing from the spirit and scope of the claims.
Claims (5)
1. A centrifugal fan with replaceable impeller comprises a servo motor and an impeller, wherein the impeller is detachably connected with the servo motor,
the device is convenient to replace and install;
conveniently change installation device and include install bin, casing, locking buckle and locking Assembly, the install bin with servo motor fixed connection, the casing with the install bin passes through hinge connection, and is located the side open end of install bin, the locking buckle with casing fixed connection, and be located the casing is close to one side of install bin, locking Assembly installs in the installation groove of install bin.
2. The centrifugal fan with replaceable impeller of claim 1,
the locking assembly comprises a locking block, a rack and a rotating member, wherein the locking block is fixedly connected with the rack and matched with the groove of the locking buckle; the rack is connected with the rotating member and is connected with the rotating member; the rotating member is meshed with the rack and is installed in the installation groove of the installation box.
3. The replaceable-impeller centrifugal fan of claim 2,
the rotating component comprises an installation slide rail, a shaft lever and a gear, and the installation slide rail is fixedly connected with the installation box and is positioned at the bottom of the groove of the installation box; the shaft lever is rotatably connected with the mounting slide rail through a bearing and is positioned on one side of the mounting slide rail; the gear is fixedly connected with the shaft lever and is meshed and connected with the rack.
4. The replaceable-impeller centrifugal fan of claim 1,
the installation device convenient to replace further comprises a handle, wherein the handle is fixedly connected with the casing and is positioned on one side of the casing.
5. The replaceable-impeller centrifugal fan of claim 4,
the mounting device convenient to replace further comprises a friction pad, the friction pad is fixedly connected with the handle, and the friction pad is fixedly sleeved on the handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222590207.1U CN218030815U (en) | 2022-09-29 | 2022-09-29 | Centrifugal fan with replaceable impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222590207.1U CN218030815U (en) | 2022-09-29 | 2022-09-29 | Centrifugal fan with replaceable impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218030815U true CN218030815U (en) | 2022-12-13 |
Family
ID=84356535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222590207.1U Active CN218030815U (en) | 2022-09-29 | 2022-09-29 | Centrifugal fan with replaceable impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218030815U (en) |
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2022
- 2022-09-29 CN CN202222590207.1U patent/CN218030815U/en active Active
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