CN210106255U - Exempt from centrifugal fan of screw installation - Google Patents
Exempt from centrifugal fan of screw installation Download PDFInfo
- Publication number
- CN210106255U CN210106255U CN201920950071.6U CN201920950071U CN210106255U CN 210106255 U CN210106255 U CN 210106255U CN 201920950071 U CN201920950071 U CN 201920950071U CN 210106255 U CN210106255 U CN 210106255U
- Authority
- CN
- China
- Prior art keywords
- centrifugal fan
- wall
- block
- screw
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 title claims abstract description 13
- 238000001816 cooling Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a screw-mounting-free centrifugal fan, which comprises a centrifugal fan and a box body, wherein a lead screw is rotatably connected in the box body, a guide block is sleeved on the outer wall thread of the lead screw, the top surfaces of the two ends of the guide block are hinged with one end of a connecting rod, the other end of the connecting rod is hinged with the bottom of a sliding block, the sliding block is slidably clamped with a sliding groove arranged on the top surface of the box body, a lug is fixedly arranged on the top surface of the sliding block, a slot is arranged on the top surface of the lug, the slot is movably inserted with the lower end of a fixed plate fixedly arranged on the bottom of the two ends of the centrifugal fan, the side wall of the fixed plate is matched with the side wall of the lug to be provided with a stop groove and a slot, a stop block is movably clamped in the stop groove and the slot, one end of the stop block far away, and the installation of screws is avoided, the structure is simple, and the operation is rapid.
Description
Technical Field
The utility model relates to a centrifugal fan technical field specifically is a exempt from centrifugal fan of screw installation.
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 among air conditioning equipment and the domestic appliance equipment, current centrifugal fan generally fixes it through the screw when the installation, and this mode need operate a plurality of screws when installing centrifugal fan, and the operation process is loaded down with trivial details promptly, and then brings certain inconvenience for operating personnel, and later stage dismantlement becomes relatively difficult simultaneously, and we propose a centrifugal fan who exempts from screw installation for this reason and be used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a exempt from centrifugal fan of screw installation to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a screw-free mounting centrifugal fan comprises a centrifugal fan and a box body, a screw rod is rotatably connected in the box body, the outer wall of the screw rod is in threaded sleeve connection with a guide block, the top surfaces of the two ends of the guide block are hinged with one end of a connecting rod, the other end of the connecting rod is hinged with the bottom of the sliding block, the sliding block is clamped with a sliding groove arranged on the top surface of the box body in a sliding way, and the top surface of the sliding block is fixedly provided with a convex block, the top surface of the convex block is provided with a slot, the slot is movably inserted with the lower end of a fixed plate fixedly arranged at the bottoms of the two ends of the centrifugal fan, the side wall of the fixed plate and the side wall of the lug are provided with a stop groove and a slot in a matching way, a stop block is movably clamped in the stop groove and the slot, one end of the stop block far away from the lug is fixedly connected on the side wall of the connecting plate, and the outer wall of the stop block is movably sleeved with a spring, and two ends of the spring are respectively and fixedly connected with the side wall of the bump and the side wall of the connecting plate.
As an optimal technical scheme of the utility model, the top fixedly connected with quarter butt of lead screw, box fixedly connected with hand wheel is run through on the top of quarter butt, the outer wall of hand wheel is equipped with one deck anti-skidding rubber.
As a preferred technical scheme of the utility model, the fixed locating piece that is equipped with of slider both ends lateral wall, the spout inner wall is equipped with the constant head tank with the locating piece cooperation, sliding joint has the locating piece in the constant head tank.
As a preferred technical scheme of the utility model, the fixed limiting plate that is equipped with of guide block both ends lateral wall, the box inner wall is equipped with the spacing groove with the limiting plate cooperation, the slip joint has the one end of limiting plate in the spacing groove.
As a preferred technical scheme of the utility model, the pulley is installed to the limiting plate is located the one end of spacing inslot, the outer wall of pulley slides to closing on the inner wall of spacing groove.
Compared with the prior art, the beneficial effects of the utility model are that:
the fixed plate lower extreme of centrifugal fan bottom is pegged graft in the slot, make retaining groove and fluting be located same water flat line, and the retaining groove is the same with grooved cross sectional area, utilize the spring action of spring, with the stop block joint in fluting and retaining groove, the lead screw rotates, further make the guide block do reciprocating linear motion from top to bottom on the lead screw, when the guide block downstream, the slider at box both ends is under the effect of connecting rod, be close to each other, when the guide block upward movement, the slider at box both ends is under the effect of connecting rod, keep away from each other, therefore the applicable and different specification size centrifugal fan installation of this device, and exempt from the screw installation, moreover, the steam generator is simple in structure, the operation is rapid.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure inside the middle box body of the present invention;
fig. 3 is an enlarged structural diagram of a portion a in fig. 2 according to the present invention.
In the figure: 1 centrifugal fan, 11 fixing plate, 12 stopping groove, 2 box body, 21 screw rod, 22 guide block, 23 connecting rod, 24 slide block, 25 slide groove, 26 convex block, 27 slot, 28 slot, 29 short rod, 210 hand wheel, 211 limiting plate, 212 pulley, 213 limiting groove, 214 positioning groove, 215 positioning block, 3 stopping block, 31 connecting plate, 32 spring and 33 holding block.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a centrifugal fan free of screw installation comprises a centrifugal fan 1 and a box body 2, a screw rod 21 is rotationally connected in the box body 2, a short rod 29 is fixedly connected at the top end of the screw rod 21, a hand wheel 210 is fixedly connected with the top end of the short rod 29 penetrating through the box body 2, a layer of anti-slip rubber is arranged on the outer wall of the hand wheel 210, a guide block 22 is sleeved on the outer wall of the screw rod 21 in a threaded manner, one end of a connecting rod 23 is hinged to the top surfaces of two ends of the guide block 22, the other end of the connecting rod 23 is hinged to the bottom of a sliding block 24, the sliding block 24 is in sliding clamping connection with a sliding groove 25 arranged on the top surface of the box body 2, a convex block 26 is fixedly arranged on the top surface of the sliding block 24, a slot 27 is arranged on the top surface of the convex block 26, the lower end of a fixing plate 11 fixedly arranged at, one end of the stop block 3, which is far away from the bump 26, is fixedly connected to the side wall of the connecting plate 31, the outer wall of the stop block 3 is movably sleeved with a spring 32, and two ends of the spring 32 are respectively and fixedly connected with the side wall of the bump 26 and the side wall of the connecting plate 31. The lower end of a fixed plate 11 at the bottom of a centrifugal fan 1 is inserted into a slot 27, so that a stop groove 12 and a slot 28 are positioned on the same horizontal line, the cross-sectional areas of the stop groove 12 and the slot 28 are the same, a stop block 3 is clamped in the slot 28 and the stop groove 12 by utilizing the elastic force of a spring 32, if the centrifugal fan 1 needs to be taken down, the stop block 3 moves towards the direction far away from the fixed plate 11, the spring 32 is stretched to separate the stop block 3 from the stop groove 12, the fixed plate 11 is unlocked, the centrifugal fan 1 can be taken out, a hand wheel 210 is rotated to drive a short rod 29 and a lead screw 21 to rotate, further, the guide block 22 makes up-and-down reciprocating linear motion on the lead screw 21, when the guide block 22 moves downwards, slide blocks 24 at two ends of a box body 2 approach each other under the action of a connecting rod 23, when the guide block 22 moves upwards, the slide blocks 24 at two ends of the box body 2, keep away from each other, therefore this device is applicable to and installs with the centrifugal fan 1 of different specifications size, and avoids the screw installation, simple structure, operation are rapid.
Positioning blocks 214 are fixedly arranged on the side walls of the two ends of the sliding block 24, positioning grooves 215 are formed in the inner walls of the sliding grooves 25 and matched with the positioning blocks 214, the positioning blocks 214 are connected with the positioning grooves 215 in a sliding and clamping mode, and the sliding block 24 can stably slide in the sliding grooves 25 by means of matching of the positioning blocks 214 and the positioning grooves 215.
The fixed limiting plate 211 that is equipped with of guide block 22 both ends lateral wall, 2 inner walls of box and the cooperation of limiting plate 211 are equipped with spacing groove 213, and the one end that sliding joint has limiting plate 211 in spacing groove 213 utilizes the cooperation of limiting plate 211 with spacing groove 213, and what make guide block 22 can be stable is linear motion along lead screw 21.
The pulley 212 is installed at one end of the limiting plate 211, which is located in the limiting groove 213, the outer wall of the pulley 212 is in sliding abutting engagement with the inner wall of the limiting groove 213, and the pulley 212 is in sliding abutting engagement with the inner wall of the limiting groove 213, so that the limiting plate 211 can move more smoothly.
The working principle is as follows: when the utility model is used in daily life, the lower end of the fixing plate 11 at the bottom of the centrifugal fan 1 is inserted into the slot 27, so that the stop groove 12 and the slot 28 are positioned on the same horizontal line, and the cross-sectional areas of the stop groove 12 and the slot 28 are the same, the stop block 3 is clamped in the slot 28 and the stop groove 12 by using the elastic force of the spring 32, if the centrifugal fan 1 needs to be taken down, the stop block 3 moves towards the direction far away from the fixing plate 11, the tension spring 32 separates the stop block 3 from the stop groove 12, the fixing plate 11 is unlocked, the centrifugal fan 1 can be taken out, the hand wheel 210 is rotated to drive the short rod 29 and the screw rod 21 to rotate, further, the guide block 22 does the up-and-down reciprocating linear motion on the screw rod 21, when the guide block 22 moves downwards, the sliding blocks 24 at the two ends of the box body 2 are close to each other under the action of the connecting rod 23, when the guide block 22 moves upwards, the sliding blocks 24 at the two, keep away from each other, therefore this device is applicable to and installs with the centrifugal fan 1 of different specifications size, and avoids the screw installation, simple structure, operation are rapid.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a exempt from centrifugal fan of screw installation, includes centrifugal fan (1) and box (2), its characterized in that: the box body (2) is rotationally connected with a screw rod (21), a guide block (22) is sleeved on the outer wall of the screw rod (21) in a threaded manner, the top surfaces of the two ends of the guide block (22) are hinged with one end of a connecting rod (23), the other end of the connecting rod (23) is hinged with the bottom of a sliding block (24), the sliding block (24) is in sliding clamping connection with a sliding groove (25) arranged on the top surface of the box body (2), a convex block (26) is fixedly arranged on the top surface of the sliding block (24), a slot (27) is arranged on the top surface of the convex block (26), a fixing plate (11) is movably inserted into the slot (27) and is fixedly arranged at the bottom of the two ends of the centrifugal fan (1), a stop groove (12) and a groove (28) are formed in a matching manner on the side wall of the fixing plate (11) and the side wall of the convex block (26), a stop block (3) is fixedly connected onto the side wall of a connecting, and the outer wall of the stop block (3) is movably sleeved with a spring (32), and two ends of the spring (32) are respectively and fixedly connected with the side wall of the bump (26) and the side wall of the connecting plate (31).
2. The screw-installation-free centrifugal fan according to claim 1, wherein: the top fixedly connected with quarter butt (29) of lead screw (21), box (2) fixedly connected with hand wheel (210) is run through on the top of quarter butt (29), the outer wall of hand wheel (210) is equipped with one deck anti-skidding rubber.
3. The screw-installation-free centrifugal fan according to claim 1, wherein: the slider (24) both ends lateral wall is fixed and is equipped with locating piece (214), spout (25) inner wall is equipped with constant head tank (215) with locating piece (214) cooperation, slide in constant head tank (215) joint has locating piece (214).
4. The screw-installation-free centrifugal fan according to claim 1, wherein: the fixed limiting plate (211) that is equipped with of guide block (22) both ends lateral wall, box (2) inner wall is equipped with spacing groove (213) with limiting plate (211) cooperation, sliding joint has the one end of limiting plate (211) in spacing groove (213).
5. The screw-installation-free centrifugal fan according to claim 4, wherein: and a pulley (212) is installed at one end, located in the limiting groove (213), of the limiting plate (211), and the outer wall of the pulley (212) is in sliding fit with the inner wall of the limiting groove (213).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950071.6U CN210106255U (en) | 2019-06-24 | 2019-06-24 | Exempt from centrifugal fan of screw installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950071.6U CN210106255U (en) | 2019-06-24 | 2019-06-24 | Exempt from centrifugal fan of screw installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210106255U true CN210106255U (en) | 2020-02-21 |
Family
ID=69564456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920950071.6U Expired - Fee Related CN210106255U (en) | 2019-06-24 | 2019-06-24 | Exempt from centrifugal fan of screw installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210106255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112740861A (en) * | 2020-11-10 | 2021-05-04 | 新疆天物生态科技股份有限公司 | Novel saline-alkali soil improvement system and method |
-
2019
- 2019-06-24 CN CN201920950071.6U patent/CN210106255U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112740861A (en) * | 2020-11-10 | 2021-05-04 | 新疆天物生态科技股份有限公司 | Novel saline-alkali soil improvement system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204912146U (en) | A universal cleaning equipment for refabrication of automatic transmission casing | |
| CN204780238U (en) | Device is ironed in weaving | |
| CN210106255U (en) | Exempt from centrifugal fan of screw installation | |
| CN208979618U (en) | A kind of glass production fixture with regulatory function | |
| CN207710826U (en) | A kind of straight line slide unit with organ cover | |
| CN205254472U (en) | Gasbag component assembly anchor clamps | |
| CN205765313U (en) | A kind of plastic conduit inner wall grinding device | |
| CN105944902B (en) | A kind of structure improved rubber strip glue spreading apparatus | |
| CN105402699A (en) | LED lamp heat dissipation device | |
| CN114017368A (en) | High-stability fan | |
| CN210255725U (en) | Frock clamp of tap end of intaking | |
| CN105371251A (en) | Heat dissipation device for LED (Light Emitting Diode) lamp | |
| CN210829883U (en) | Ventilation fan for drying device | |
| CN208584557U (en) | A kind of industrial processes robot clamp | |
| CN210024644U (en) | Novel numerical control machine tool guide rail protective cover | |
| CN208695718U (en) | A kind of saw bit matrix cleaning machine | |
| CN202561049U (en) | Sealing structure of sizing machine sizing groove sizing roller | |
| CN208713572U (en) | A kind of surface grinding machine that can be quickly cooled down heat dissipation | |
| CN103121187B (en) | special pipe automatic polishing machine | |
| CN208617041U (en) | A kind of liter arm with power generator | |
| CN215748716U (en) | Pneumatic tool clamp of balancing machine | |
| CN207747158U (en) | A kind of centre bore has the alloy saw blade of disconnecting prevention structure | |
| CN205332141U (en) | Light emitting diode (LED) lamp heat radiator | |
| CN207660855U (en) | A kind of wind turbine of easy cleaning flabellum dust | |
| CN205816930U (en) | A kind of Continuous Cutting Machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201126 Address after: Group 8, Wenjun village, Xingfu street, Gangzha District, Nantong City, Jiangsu Province, 226000 Patentee after: Nantong Hengrong roots blower Co.,Ltd. Address before: 226000 No.6, Bayi Industrial Park, Tiansheng Road, Gangzha District, Nantong City, Jiangsu Province Patentee before: Jiangsu Huanyu Fan Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |