CN216297460U - Ventilation device - Google Patents
Ventilation device Download PDFInfo
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- CN216297460U CN216297460U CN202122710780.7U CN202122710780U CN216297460U CN 216297460 U CN216297460 U CN 216297460U CN 202122710780 U CN202122710780 U CN 202122710780U CN 216297460 U CN216297460 U CN 216297460U
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- bracket
- driving
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- 238000009423 ventilation Methods 0.000 title claims abstract description 116
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 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
- 125000003003 spiro group Chemical group 0.000 description 1
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Abstract
The utility model is suitable for the technical field of ventilation, and provides a ventilation device, which comprises a bracket, a ventilation assembly for ventilation and a height adjusting mechanism capable of driving the ventilation assembly to move along the height direction of the bracket, wherein the bracket is provided with a sliding groove arranged along the height direction of the bracket, and the height adjusting mechanism comprises: the sliding assembly is connected with the sliding groove in a sliding mode and can move along the height direction of the support, and the ventilation assembly is connected with the sliding assembly and can move along with the sliding assembly; and the driving assembly is arranged on the bracket, connected with the sliding assembly and used for driving the sliding assembly to move along the height direction of the bracket. According to the utility model, the ventilation assembly is provided with the structural member capable of driving the ventilation assembly to move in height and in a transverse direction, so that the technical problem of poor ventilation effect caused by the fact that the use position of the conventional ventilation device cannot be adjusted is solved.
Description
Technical Field
The utility model belongs to the technical field of ventilation, and particularly relates to a ventilation device.
Background
Ventilation is a technique that uses natural or mechanical methods to allow air to pass through, without obstruction, a room or a sealed environment, so as to create a suitable air environment for sanitation, safety, etc. In the environment of the experiment operation table, ventilation is usually needed, the ventilation can be blowing-in ventilation or sucking-out ventilation, the blowing-in ventilation refers to blowing wind into the experiment operation table to achieve a ventilation effect, and the sucking-out ventilation refers to sucking out air in the environment of the experiment operation table and can also achieve a ventilation effect.
However, based on the findings in the prior art, the ventilation device for the experiment operating table in the prior art cannot adjust the using position of the ventilation device, for example, cannot adjust the height of the ventilation device, and is further susceptible to influence when performing an experiment, thereby affecting the ventilation effect and being inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a ventilation device, aiming at solving the technical problem that the ventilation effect is poor due to the fact that the use position of the ventilation device cannot be adjusted in the prior art.
The embodiment of the utility model is realized in such a way that the ventilation device comprises a support, a ventilation assembly for ventilation and a height adjusting mechanism capable of driving the ventilation assembly to move along the height direction of the support, wherein the support is provided with a sliding groove arranged along the height direction of the support, and the height adjusting mechanism comprises:
the sliding assembly is connected with the sliding groove in a sliding mode and can move along the height direction of the support, and the ventilation assembly is connected with the sliding assembly and can move along with the sliding assembly;
and the driving assembly is arranged on the bracket, connected with the sliding assembly and used for driving the sliding assembly to move along the height direction of the bracket.
Preferably, the sliding assembly is provided with a sliding cavity arranged along the height direction perpendicular to the bracket;
the ventilation assembly is connected with the sliding assembly in a sliding mode through the sliding cavity, so that the ventilation assembly can move transversely relative to the sliding assembly.
Preferably, the sliding assembly comprises a housing and a sliding block extending from a side of the housing, and the sliding block is connected with the sliding groove in a sliding manner;
the inner cavity of the shell is formed into the sliding cavity, the ventilation assembly comprises a ventilation nozzle, a sliding portion extends out of the ventilation nozzle, and the sliding portion extends into the shell from the front end of the shell and is connected with the sliding cavity in a sliding mode.
Preferably, the ventilation device further comprises a pull rod, a through hole for the pull rod to freely pass through is formed in the rear end of the shell, and one end of the pull rod extends into the shell through the through hole and is fixedly connected with the sliding part.
Preferably, the inside of the sliding part is a hollow structure, and the hollow of the sliding part is communicated with the ventilating nozzle;
the ventilation assembly further comprises a ventilation power part, the ventilation power part is communicated with the hollow part of the sliding part through a pipeline, and the pipeline penetrates into the shell through a through hole formed in the rear end of the shell.
Preferably, the ventilation power member is further connected with a storage tank through a pipeline with a one-way valve, and when negative pressure is formed on the ventilation power member, external air is sucked through the ventilation nozzle and finally enters the storage tank.
Preferably, the driving assembly comprises a screw rod and a driving module for driving the screw rod to rotate, the screw rod is arranged along the height direction of the support and is rotatably connected with the support, and the screw rod is in threaded connection with the sliding block.
Preferably, the number of the screw rods is two, two sliding blocks extend from two sides of the shell respectively, each sliding block is in threaded connection with one screw rod, the number of the sliding grooves is two, and each sliding block is in sliding connection with one sliding groove;
the driving module comprises a motor, a first bevel gear fixedly connected with an output shaft of the motor, a rotating part rotatably connected with the support, a second bevel gear arranged on the rotating part and meshed with the first bevel gear, and a transmission belt in transmission connection with the rotating part and the two lead screws.
Preferably, the middle part of support is equipped with and holds logical groove, the spout is seted up and is held the lateral wall that leads to the groove, sliding assembly is in hold logical inslot removal.
Preferably, a sliding wheel contacting with the side wall of the sliding chute is arranged on the sliding part of the sliding assembly and the sliding chute.
The utility model achieves the following beneficial effects: make the ventilation subassembly can follow the direction of height removal of support through setting up support, sliding assembly and drive assembly, and then realize the regulation of ventilation height to solve current unable adjusting ventilation unit's position of use, lead to the poor technical problem of ventilation effect.
Drawings
FIG. 1 is a perspective view of a vent assembly according to one embodiment of the present invention;
FIG. 2 is a perspective view of another perspective of a ventilation device according to a first embodiment of the present invention;
FIG. 3 is an assembly view of the bracket and height adjustment mechanism in a first embodiment of the present invention;
FIG. 4 is an assembled and disassembled view of the bracket and the height adjustment mechanism in the first embodiment of the utility model;
FIG. 5 is an assembled exploded view of the vent assembly and slide assembly in accordance with one embodiment of the present invention;
FIG. 6 is a block diagram of a slide assembly in accordance with one embodiment of the present invention;
fig. 7 is a block diagram of a vent assembly in accordance with one embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Example one
Referring to fig. 1 to 7, a ventilation device according to an embodiment of the present invention is shown, which includes a bracket 1, a ventilation assembly 3 for ventilation, and a height adjustment mechanism capable of driving the ventilation assembly 3 to move along a height direction of the bracket 1, so as to adjust a working height of the ventilation assembly 3, thereby adjusting a ventilation height and improving a ventilation effect. In order to achieve the purpose, the bracket 1 is provided with a sliding groove 101 arranged along the height direction of the bracket, the height adjusting mechanism comprises a sliding component 2 and a driving component 4, the sliding component 2 is connected with the sliding groove 101 in a sliding mode, the sliding component 2 can move along the height direction of the bracket 1, and the ventilation component 3 is connected with the sliding component 2 and can move along with the sliding component 2. Meanwhile, the driving assembly 4 is disposed on the bracket 1 and connected to the sliding assembly 2 for driving the sliding assembly 2 to move along the height direction of the bracket 1.
Specifically, the middle of the bracket 1 is provided with an accommodating through groove 102, two opposite side walls of the accommodating through groove 102 are respectively provided with a sliding groove 101, the sliding assembly 2 comprises a housing 201 and two sliding blocks 203 extending from two opposite side portions of the housing 201, each sliding block 203 is in sliding connection with one sliding groove 101, so that the sliding assembly 2 can move up and down in the accommodating through groove 102, and the ventilation assembly 3 is connected with the housing 201 and can move up and down along with the sliding assembly 2. Drive assembly 4 includes lead screw 401 and drive lead screw 401 pivoted drive module, and lead screw 401 sets up and rotates with support 1 along support 1's direction of height and is connected, specifically, and lead screw 401 bottom rotates with support 1 bottom to be connected, and lead screw 401 top rotates with support 1 top to be connected, and lead screw 401 top stretches into support 1 top, and lead screw 401 middle part penetrates in the middle of the spout 101 simultaneously, and with the slider 203 spiro union. The screw 401 and the bracket 1 are rotatably connected without threads, and the screw 401 and the bracket 1 can be rotatably connected reliably and stably through a bearing. In the present embodiment, the number of the screws 401 is two, and each of the sliders 203 is screwed with one of the screws 401.
Meanwhile, the driving module specifically comprises a motor 402 fixed on the top of the bracket 1, a first bevel gear 403 fixedly connected with an output shaft of the motor 402, a rotating member 415 rotatably connected with the top of the bracket 1, a second bevel gear 404 arranged on the rotating member 415 and engaged with the first bevel gear 403, and a transmission belt 406 in transmission connection with the rotating member 415 and the two lead screws 401, wherein the second bevel gear 404 is fixedly arranged on the top of the rotating member 415 and is coaxial with the rotating member 415. Specifically, two lead screws 401 are symmetrically distributed on two sides of the rotating member 415, two ends of the transmission belt 406 are in transmission connection with the top ends of the two lead screws 401, the middle portion of the transmission belt 406 is also in transmission connection with the rotating member 415, and specifically, belt pulleys may be arranged at the portions of the rotating member 415 and the lead screws 401, which are matched with the transmission belt 406, so as to be in transmission connection with the transmission belt 406 through the belt pulleys. When the motor 402 rotates forward, the rotating piece 415 is driven to rotate clockwise through the transmission of the two bevel gears, so that the transmission belt 406 is driven to rotate clockwise, the two screw rods 401 are driven to rotate clockwise, and the ventilation nozzle 301 of the ventilation assembly 3 is driven to ascend; on the contrary, when the motor 402 rotates reversely, the driving belt 406 is driven to perform counterclockwise driving through the transmission of the two bevel gears, so that the two screw rods 401 are driven to perform counterclockwise driving, the ventilation nozzle 301 of the ventilation assembly 3 is driven to land, and the ventilation height is adjusted accordingly.
In other alternative embodiments, a pulley (not shown) contacting with the side wall of the sliding chute 101 may be disposed at the sliding position of the sliding assembly 2 and the sliding chute 101, i.e. a rolling connection is added to reduce the sliding resistance and the sliding wear, and improve the lifting stability and the service life. Specifically, pulleys may be provided on both sides of the slider 203, and the pulleys on both sides of the slider 203 are in rolling contact with both side walls of the chute 101.
In addition, in order to further improve the ventilation effect, in some optional cases of the present embodiment, the ventilation assembly 3 has a second dimension adjustment, i.e. a lateral adjustment (which may also be referred to as a front-back or left-right adjustment), in addition to the height adjustment. The specific implementation is as follows, the sliding assembly 2 is provided with a sliding cavity 202 arranged along the direction perpendicular to the height direction of the bracket 1, and the ventilation assembly 3 is connected with the sliding assembly 2 in a sliding manner through the sliding cavity 202, so that the ventilation assembly 3 can move transversely relative to the sliding assembly 2.
Specifically, the inner cavity of the housing 201 is formed as a sliding cavity 202, the ventilation assembly 3 includes a ventilation nozzle 301, a front end of the ventilation nozzle 301 is bent downward to make the air inlet face downward, a rear end of the ventilation nozzle 301 extends outward to form a sliding portion 302, and the sliding portion 302 extends into the housing 201 from the front end of the housing 201 and is slidably connected with the sliding cavity 202. The ventilation device further comprises a pull rod 303, a through hole a for the pull rod 303 to freely pass through is formed in the rear end of the shell 201, and one end of the pull rod 303 extends into the shell 201 through the through hole a and is fixedly connected with the sliding portion 302. The pull rod 303 is pulled to drive the sliding part 302 to slide transversely in the sliding cavity 202, so that the transverse position of the air nozzle 301 can be adjusted. To facilitate pulling of the tie bar 303, the tie bar 303 is provided in a U-shape.
In this embodiment, the ventilation assembly 3 is specifically an aspiration type ventilation device, and for this reason, the ventilation assembly 3 further includes a ventilation power component 304, for example, the ventilation power component 304 may be specifically an air pump, the inside of the sliding portion 302 is a hollow structure, the hollow of the sliding portion 302 is communicated with the ventilation nozzle 301, the ventilation power component 304 is communicated with the hollow of the sliding portion 302 through a pipeline, and the pipeline penetrates into the inside of the housing 201 through a through hole opened at the rear end of the housing 201. In addition, in order to collect the sucked air and prevent the laboratory air from polluting the external environment, the ventilation power member 304 is connected to the storage tank 306 through a pipeline with a one-way valve 305, and when the ventilation power member 304 forms a negative pressure, the external air is sucked into the air passage of the ventilation assembly 3 through the ventilation nozzle 301 and finally enters the storage tank 306. The air passage of the ventilation unit 3 is formed by the hollow part of the ventilation nozzle 301, the hollow part of the sliding part 302, and the pipes. It should be noted that in other embodiments, the ventilation assembly 3 may be a blow-in ventilation device, that is, the structure capable of adjusting the position of the ventilation device provided in the embodiment of the present invention is applicable to any type of ventilation device.
To sum up, ventilation unit among this embodiment makes ventilation unit 3 can follow support 1 direction of height and the removal of perpendicular to support 1 direction of height through setting up support 1, sliding component 2, drive assembly 4 and pull rod 303, and then realizes ventilation height, horizontal position's regulation to solve current unable adjusting ventilation unit's the position of use, lead to the poor technical problem of ventilation effect.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The ventilation device is characterized by comprising a support, a ventilation assembly for ventilation and a height adjusting mechanism capable of driving the ventilation assembly to move along the height direction of the support, wherein a sliding groove is formed in the support and is arranged along the height direction of the support, and the height adjusting mechanism comprises:
the sliding assembly is connected with the sliding groove in a sliding mode and can move along the height direction of the support, and the ventilation assembly is connected with the sliding assembly and can move along with the sliding assembly;
and the driving assembly is arranged on the bracket, connected with the sliding assembly and used for driving the sliding assembly to move along the height direction of the bracket.
2. The ventilation device according to claim 1, wherein the sliding assembly is provided with a sliding cavity arranged along a direction perpendicular to the height direction of the bracket;
the ventilation assembly is connected with the sliding assembly in a sliding mode through the sliding cavity, so that the ventilation assembly can move transversely relative to the sliding assembly.
3. The ventilation device of claim 2, wherein the sliding assembly includes a housing and a slider extending from a side of the housing, the slider being slidably coupled to the chute;
the inner cavity of the shell is formed into the sliding cavity, the ventilation assembly comprises a ventilation nozzle, a sliding portion extends out of the ventilation nozzle, and the sliding portion extends into the shell from the front end of the shell and is connected with the sliding cavity in a sliding mode.
4. The ventilation device according to claim 3, further comprising a pull rod, wherein a through hole for the pull rod to freely pass through is formed in the rear end of the housing, and one end of the pull rod extends into the housing through the through hole and is fixedly connected with the sliding portion.
5. A ventilating device according to claim 3, wherein the inside of the sliding portion is a hollow structure, and the hollow of the sliding portion communicates with the ventilating nozzle;
the ventilation assembly further comprises a ventilation power part, the ventilation power part is communicated with the hollow part of the sliding part through a pipeline, and the pipeline penetrates into the shell through a through hole formed in the rear end of the shell.
6. A ventilating device according to claim 5, wherein the ventilating power member is further connected to a storage tank through a pipe with a one-way valve, and when the ventilating power member creates a negative pressure, external air is sucked through the ventilating nozzle and finally enters the storage tank.
7. The ventilation device according to claim 3, wherein the driving assembly comprises a screw rod and a driving module for driving the screw rod to rotate, the screw rod is arranged along the height direction of the bracket and is rotatably connected with the bracket, and the screw rod is in threaded connection with the sliding block.
8. The ventilation device according to claim 7, wherein the number of the screw rods is two, two sliding blocks extend from each side of the housing, each sliding block is in threaded connection with one screw rod, the number of the sliding grooves is two, and each sliding block is in sliding connection with one sliding groove;
the driving module comprises a motor, a first bevel gear fixedly connected with an output shaft of the motor, a rotating part rotatably connected with the support, a second bevel gear arranged on the rotating part and meshed with the first bevel gear, and a transmission belt in transmission connection with the rotating part and the two lead screws.
9. A ventilating device according to claim 1, wherein the support frame is provided with a receiving channel in the middle, the sliding grooves are opened in the side walls of the receiving channel, and the sliding member moves in the receiving channel.
10. The ventilation device according to claim 1, wherein a pulley which contacts with a side wall of the chute is provided on a portion where the sliding member slides with the chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122710780.7U CN216297460U (en) | 2021-11-05 | 2021-11-05 | Ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122710780.7U CN216297460U (en) | 2021-11-05 | 2021-11-05 | Ventilation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216297460U true CN216297460U (en) | 2022-04-15 |
Family
ID=81118792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122710780.7U Active CN216297460U (en) | 2021-11-05 | 2021-11-05 | Ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216297460U (en) |
-
2021
- 2021-11-05 CN CN202122710780.7U patent/CN216297460U/en active Active
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