CN213684568U - Smoke prevention and exhaust fan with good heat dissipation effect - Google Patents
Smoke prevention and exhaust fan with good heat dissipation effect Download PDFInfo
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- CN213684568U CN213684568U CN202022463851.3U CN202022463851U CN213684568U CN 213684568 U CN213684568 U CN 213684568U CN 202022463851 U CN202022463851 U CN 202022463851U CN 213684568 U CN213684568 U CN 213684568U
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- fixedly connected
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Abstract
The utility model relates to a smoke exhaust fan technical field especially relates to a prevent smoke exhaust fan that radiating effect is good. The to-be-solved technical problem of the utility model is to fix and remove fixedly the fan through the rotation of the inside pivot of fan. In order to solve the technical problem, the utility model provides a prevent smoke exhaust fan that radiating effect is good, including shell, tooth lantern ring and mount, the inside one side fixedly connected with ventilation otter board of shell, the middle part through connection of ventilation otter board has the pivot, the one end fixedly connected with of pivot arranges the fan blade, the other end fixedly connected with of pivot is motor that is just reversing, the middle part fixedly connected with sleeve pipe of ventilation otter board one side, the outside cover of pivot one end is equipped with the sleeve axle, the top in the pivot one end outside and the equal sliding connection in bottom have triangle joint piece, through joint spring fixed connection between two triangle joint pieces, the extrusion piece has been cup jointed in the outside of sleeve axle.
Description
Technical Field
The utility model relates to a smoke exhaust fan technical field specifically is a smoke exhaust fan is prevented to radiating effect is good.
Background
The smoke exhaust fan is a machine capable of rapidly exhausting peculiar smell, high temperature and oil smoke gas generated in a room, and the machine is characterized by good high temperature resistance and high efficiency, and the types of the fan comprise a centrifugal fan, an axial flow fan, a centrifugal fan and axial flow wind, and the machine is suitable for being small and large according to the space size and the arrangement condition of a smoke exhaust hood. But the installation of the existing smoke exhaust fan is extremely complicated and long, thereby greatly increasing the workload of installation personnel.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a prevent smoke exhaust fan that radiating effect is good has solved the rotation through the inside pivot of fan and has fixed and remove fixed problem to the fan.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a smoke prevention and exhaust fan with good heat dissipation effect comprises a shell, a tooth lantern ring and a fixing frame, wherein one side inside the shell is fixedly connected with a ventilation screen plate, the middle part of the ventilation screen plate is connected with a rotating shaft in a penetrating way, one end of the rotating shaft is fixedly connected with a fan blade, the other end of the rotating shaft is fixedly connected with a forward and reverse rotating motor, the middle part of one side of the ventilation screen plate is fixedly connected with a sleeve, the outer side of one end of the rotating shaft is sleeved with a sleeve shaft, the top and the bottom of the outer side of one end of the rotating shaft are both connected with a triangular clamping block in a sliding way, the two triangular clamping blocks are fixedly connected through a clamping spring, an extrusion block is sleeved on the outer side of the sleeve shaft, an auxiliary spring is sleeved on the outer side of the rotating shaft, one side of the auxiliary spring is fixedly connected, the front and the back of the rotary gear are both meshed with fixed tooth plates, the top and the bottom of the middle part of the shell are both in through connection with a threaded cylinder, a linkage gear is sleeved on the outer side of the threaded cylinder, the outer side of the linkage gear is meshed with tooth socket rings, the bottom of the threaded cylinder is in threaded connection with a threaded rod, the bottom of the threaded rod is fixedly connected with a pushing block, and the bottom of the pushing block is in lap joint with an extrusion block.
Further preferably, a tooth lantern ring is sleeved on the outer side of one end of the shell, and a fixing frame is sleeved on the other end of the shell.
Further preferably, the outer side of the forward and reverse rotation motor is fixedly connected with a support frame, and the outer side of the support frame is fixedly connected with the shell.
Further preferably, the front and the back of the extrusion block are both fixedly connected with sliding blocks, and the outer sides of the sliding blocks are in sliding connection with the rotating gear.
Further preferably, the top and the bottom of one side of the sleeve are both provided with a movable groove, and the inside of the movable groove is in through connection with the pushing block.
Further preferably, the top and the bottom of the middle part of the shell are both provided with movable holes, and the inner parts of the movable holes are in through connection with the fixed tooth plates.
(III) advantageous effects
The utility model provides a prevent smoke exhaust fan that radiating effect is good possesses following beneficial effect:
(1) the good fan of preventing discharging fume of radiating effect, drive linkage gear and screw thread section of thick bamboo reversal through corotation tooth lantern ring in the time, drive the threaded rod simultaneously and promote the piece inwards to remove, will extrude the piece and remove right when removing a position, will cooperate the elasticity of the joint spring of pivot internal force to make two triangle joint pieces pop out when removing a position, carry out the joint with the cover axle simultaneously, the corotation through the rotation of pivot and row fan blade drives the cover axle, rotary gear, extrusion piece corotation, will drive two fixed tooth boards when rotary gear corotation and outwards remove and carry out the joint with the mount, thereby reach convenient fixed effect.
(2) The good fan of preventing discharging fume of radiating effect, drive linkage gear and screw thread section of thick bamboo corotation when through the reversal tooth lantern ring, drive the threaded rod simultaneously and promote the piece and outwards remove, utilize auxiliary spring's elasticity will stimulate the extrusion piece and remove left when removing a certain position, triangle joint piece receives the extrusion and will inwards remove when removing, thereby with triangle joint piece separation, thereby reach and can not control when pivot and exhaust fan rotatory fixing and dismantling of preventing discharging fume the fan.
Drawings
FIG. 1 is a view showing the structure of the present invention;
FIG. 2 is an enlarged view of the structure of the present invention at A in FIG. 1;
fig. 3 is a view of the inner structure of the sleeve shaft of the present invention.
In the figure: the device comprises a rotating shaft 1, a threaded rod 2, a rotating gear 3, a sleeve shaft 4, a sleeve pipe 5, a fixing frame 6, a forward and reverse rotating motor 7, a shell 8, a fixed tooth plate 9, a linkage gear 10, a threaded cylinder 11, a tooth sleeve ring 12, a ventilation screen plate 13, fan blades 14 in rows, a clamping spring 15, a triangular clamping block 16, an auxiliary spring 17, a pushing block 18 and an extrusion block 19.
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 smoke exhaust preventing fan with good heat dissipation effect comprises a shell 8, a tooth lantern ring 12 and a fixing frame 6, wherein one side inside the shell 8 is fixedly connected with a ventilation screen plate 13, the middle part of the ventilation screen plate 13 is connected with a rotating shaft 1 in a penetrating way, one end of the rotating shaft 1 is fixedly connected with a fan blade 14, the other end of the rotating shaft 1 is fixedly connected with a forward and reverse rotating motor 7, the middle part of one side of the ventilation screen plate 13 is fixedly connected with a sleeve pipe 5, the outer side of one end of the rotating shaft 1 is sleeved with a sleeve shaft 4, the top and the bottom of the outer side of one end of the rotating shaft 1 are both connected with a triangular clamping block 16 in a sliding way, the two triangular clamping blocks 16 are fixedly connected through a clamping spring 15, the outer side of the sleeve shaft 4 is sleeved with an extrusion block 19, the outer side of the rotating shaft 1 is sleeved with an auxiliary spring 17, one side of, the front and the back of the rotating gear 3 are respectively engaged with a fixed tooth plate 9, the top and the bottom of the middle part of the shell 8 are respectively connected with a thread cylinder 11 in a penetrating way, the outer side of the thread cylinder 11 is sleeved with a linkage gear 10, the outer side of the linkage gear 10 is engaged with a tooth socket ring 12, the bottom of the thread cylinder 11 is connected with a threaded rod 2 in a threaded way, the bottom of the threaded rod 2 is fixedly connected with a pushing block 18, the bottom of the pushing block 18 is lapped with an extrusion block 19, the outer side of one end of the shell 8 is sleeved with the tooth socket ring 12, the other end of the shell 8 is sleeved with a fixed frame 6, the outer side of a forward and reverse rotating motor 7 is fixedly connected with a supporting frame, the outer side of the supporting frame is fixedly connected with the shell 8, the front and the back of the extrusion block 19 are respectively and fixedly connected with a sliding block, the outer side of, movable holes are formed in the top and the bottom of the middle of the shell 8, and the inner portions of the movable holes are in through connection with the fixed tooth plates 9.
The working principle is as follows: the linkage gear 10 and the threaded cylinder 11 are driven to rotate reversely by the forward rotation toothed lantern ring 12, the threaded rod 2 and the pushing block 18 are driven to move inwards, the extruding block 19 is extruded to move rightwards when the linkage gear 10 and the threaded cylinder 11 are driven to move to a certain position, the two triangular clamping blocks 16 are ejected by matching with the elastic force of the clamping spring 15 of the internal force of the rotating shaft 1 when the linkage gear 10 and the threaded cylinder 11 are driven to rotate forwards by the rotation of the rotating shaft 1 and the forward rotation of the exhaust blade 14, the rotating gear 3 and the extruding block 19 rotate forwards, the two fixed toothed plates 9 are driven to move outwards to be clamped with the fixed frame 6 when the rotating gear 3 rotates forwards, so that the effect of convenient fixation is achieved, the linkage gear 10 and the threaded cylinder 11 are driven to rotate forwards by the reverse rotation toothed lantern ring 12, the threaded rod 2 and the pushing block 18 are driven to move outwards simultaneously, and the extruding block 19 is pulled to move leftwards by the elastic force of the auxiliary spring, when the fan is moved, the triangular clamping blocks 16 move inwards after being extruded, so that the fan is separated from the triangular clamping blocks 16, and the fixation and the disassembly of the smoke prevention and exhaust fan cannot be controlled when the rotating shaft 1 and the exhaust fan 14 rotate.
Claims (6)
1. The utility model provides a prevent smoke exhaust fan that radiating effect is good, includes shell (8), tooth lantern ring (12) and mount (6), its characterized in that: the utility model discloses a ventilation device, including shell (8), ventilation otter board (13) is fixedly connected with in one side of shell (8) inside, the middle part through connection of ventilation otter board (13) has pivot (1), the one end fixedly connected with row fan blade (14) of pivot (1), the other end fixedly connected with of pivot (1) is just reversing motor (7), the middle part fixedly connected with sleeve pipe (5) of ventilation otter board (13) one side, the outside cover of pivot (1) one end is equipped with sleeve shaft (4), the top and the bottom in the pivot (1) one end outside all sliding connection have triangle joint piece (16), through joint spring (15) fixed connection between two triangle joint piece (16), extrusion piece (19) has been cup jointed in the outside of sleeve shaft (4), the outside cover of pivot (1) is equipped with auxiliary spring (17), one side and the ventilation otter board (13) fixed connection of auxiliary spring (17), the opposite side and the sleeve shaft (4) fixed connection of auxiliary spring (17), the outside sliding connection of extrusion piece (19) has rotating gear (3), fixed tooth board (9) have all been meshed in the front and the back of rotating gear (3), the top and the bottom at shell (8) middle part all through connection have a screw thread section of thick bamboo (11), linkage gear (10) have been cup jointed in the outside of screw thread section of thick bamboo (11), the outside and the tooth lantern ring (12) meshing of linkage gear (10), the bottom threaded connection of screw thread section of thick bamboo (11) has threaded rod (2), the bottom fixedly connected with of threaded rod (2) promotes piece (18), the bottom and the extrusion piece (19) overlap joint that promote piece (18).
2. The good smoke prevention and exhaust fan of radiating effect according to claim 1, characterized in that: the outside cover of shell (8) one end is equipped with tooth lantern ring (12), the other pot head of shell (8) is equipped with mount (6).
3. The good smoke prevention and exhaust fan of radiating effect according to claim 1, characterized in that: the outer side of the forward and reverse rotation motor (7) is fixedly connected with a support frame, and the outer side of the support frame is fixedly connected with the shell (8).
4. The good smoke prevention and exhaust fan of radiating effect according to claim 1, characterized in that: the front and the back of the extrusion block (19) are both fixedly connected with sliding blocks, and the outer sides of the sliding blocks are in sliding connection with the rotating gear (3).
5. The good smoke prevention and exhaust fan of radiating effect according to claim 1, characterized in that: the top and the bottom of one side of the sleeve (5) are both provided with a movable groove, and the inside of the movable groove is in through connection with the pushing block (18).
6. The good smoke prevention and exhaust fan of radiating effect according to claim 1, characterized in that: the top and the bottom in the middle of the shell (8) are both provided with movable holes, and the inner parts of the movable holes are in through connection with the fixed tooth plates (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022463851.3U CN213684568U (en) | 2020-10-30 | 2020-10-30 | Smoke prevention and exhaust fan with good heat dissipation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022463851.3U CN213684568U (en) | 2020-10-30 | 2020-10-30 | Smoke prevention and exhaust fan with good heat dissipation effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213684568U true CN213684568U (en) | 2021-07-13 |
Family
ID=76762748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022463851.3U Active CN213684568U (en) | 2020-10-30 | 2020-10-30 | Smoke prevention and exhaust fan with good heat dissipation effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213684568U (en) |
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2020
- 2020-10-30 CN CN202022463851.3U patent/CN213684568U/en active Active
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