CN219063654U - Ventilation device convenient for replacing filter screen in laboratory - Google Patents
Ventilation device convenient for replacing filter screen in laboratory Download PDFInfo
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- CN219063654U CN219063654U CN202223554004.3U CN202223554004U CN219063654U CN 219063654 U CN219063654 U CN 219063654U CN 202223554004 U CN202223554004 U CN 202223554004U CN 219063654 U CN219063654 U CN 219063654U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses a ventilation device for a laboratory, which is convenient for replacing a filter screen, wherein the outer wall of one end of a ventilation device main body is provided with four dismounting mechanisms, one end of each dismounting mechanism is provided with a protection frame, one side of the middle part of each protection frame is provided with a protection net, one side of the protection frame, which is close to the inside of the ventilation device main body, is fixedly connected with a fixing rod, and one end, which is far away from the protection frame, of the fixing rod is fixedly provided with a pressing frame, and the ventilation device has the following advantages: the first spring of manual promotion locking lever compression for the fixture block on the locking lever one end shifts out and rotates the locking lever from the draw-in groove, can take out the locking lever from the lockhole with the fixture block, can follow the protection frame and pull out from the ventilation unit main part afterwards, connect the dust catcher pipeline operation through external dust catcher, make the dust catcher inside be negative pressure state, inhale the closing plate compression second spring downwards to this dust that produces when can changing old filter screen main part to personnel is absorbed, avoids the bridging inside the ventilation unit main part.
Description
Technical Field
The utility model relates to the technical field of ventilation devices, in particular to a ventilation device convenient for replacing a filter screen in a laboratory.
Background
Ventilation equipment is an indispensable equipment in the laboratory, in order to guarantee laboratory inside air quality, need ventilate the air, all can use the ventilation unit who has air filtration to ventilate for this laboratory.
At present, the ventilation unit that uses is to guarantee that filter effect filter screen needs to be changed frequently, and current filter screen is all installed through the bolt, therefore more troublesome when often installing with dismantle, and cause the bolt to slide the silk phenomenon easily, and the unavoidable dust dissipation when changing the filter screen simultaneously, and the dust is easy to be stayed inside ventilation unit, and when ventilation unit is in use, the dust of loss influences laboratory environment easily.
Disclosure of Invention
The utility model aims to solve the technical problems that at present, a used ventilation device is required to be replaced frequently in order to ensure the filtering effect, and the existing filter screen is installed through bolts, so that the installation and the disassembly are more troublesome, the phenomenon of bolt slipping is easy to cause, meanwhile, dust is difficult to avoid escaping when the filter screen is replaced, the dust is easy to be reserved in the ventilation device, and when the ventilation device is used, the escaping dust is easy to influence the laboratory environment, so that the ventilation device which is convenient for replacing the filter screen in a laboratory is provided, and the problems are solved.
The technical scheme adopted for solving the technical problems is as follows: a ventilation device for a laboratory for facilitating replacement of a filter screen, comprising: the ventilation device comprises a ventilation device body, wherein a dismounting mechanism is arranged on the outer wall of one end of the ventilation device body, four dismounting mechanisms are arranged in number, a protection frame is arranged at one end of the dismounting mechanism, a protection net is arranged on one side of the middle of the protection frame, a fixing rod is fixedly connected to one side of the protection frame, which is close to the inside of the ventilation device body, and is fixedly provided with a pressing frame, a filter screen body is arranged on one side, which is close to the pressing frame, of the ventilation device body, a limit frame is fixedly connected to one side, which is close to the inside of the ventilation device body, and a dust collection mechanism is arranged on the outer wall, which is close to the lower side of one end of the filter screen body, of the ventilation device body.
As a preferable technical scheme of the utility model, the fixing block is fixedly connected to the outer wall of one end of the ventilation device main body, the inner wall of the fixing block is slidably connected with the lock rod, the outer wall of one end of the lock rod is sleeved with the first spring, the lock block is fixedly connected to the outer wall of one side of the protection frame, the middle part of the lock block is provided with the lock hole, the lock rod is fixedly provided with the clamping block close to the outer wall of one end of the lock block, the opposite side of the lock block and the fixing block is provided with the clamping groove, the protection frame is convenient to disassemble and assemble by pushing the lock rod to rotate by 90 degrees, and the filter screen main body is convenient to be extruded and fixed on the limit frame by matching the protection frame with the fixing rod and the pressing frame.
As a preferable technical scheme of the utility model, the inner shape and the size of the clamping groove are the same as those of the clamping block, the number of the locking blocks is four, and the four locking blocks are uniformly distributed on the outer wall of the protective frame, so that the locking blocks are convenient to assemble and disassemble.
As a preferable technical scheme of the utility model, the dust collection box is fixedly arranged on the outer wall of one end of the ventilation device main body, which is close to the filter screen main body, one side of the upper end inside the dust collection box is fixedly connected with the fixing seat, the middle part of the fixing seat is slidably connected with the guide rod, one side of the guide rod, which is close to the upper end of the fixing seat, is sleeved with the second spring, one side of the top end of the guide rod is fixedly provided with the sealing plate, one side of the bottom end of the dust collection box is connected with the dust collection pipe, one side of the top end of the dust collection box is provided with the opening, the dust collection pipe is convenient for connecting an external dust collector to perform dust collection work, and the sealing plate can seal the opening through the second spring.
As a preferable technical scheme of the utility model, the dust collector pipeline is communicated with the inside of the dust collection box, the opening is communicated with the inside of the ventilation device main body, and the guide rod is rectangular in shape, so that the structure is more stable when the sealing plate moves up and down.
As an optimized technical scheme of the utility model, a fan is fixedly arranged on the inner wall of one side of the ventilation device main body, which is close to the limit frame, two sides of the filter screen main body are respectively attached to the contact press frame and the limit frame, and external fresh air is conveniently sucked from the protective screen through the fan and then filtered through the filter screen main body.
The utility model has the following advantages: when the filter screen main body is replaced and installed, the lock rod can be manually pushed to compress the first spring, so that a clamping block at one end of the lock rod is moved out of the clamping groove, and meanwhile, the lock rod is manually rotated by 90 degrees, so that the lock rod with the clamping block can be taken out of the lock hole, and then the protective frame can be detached from the ventilation device main body, so that the disassembly and assembly work is facilitated, and the frequent use of bolts for installation and fixation is effectively avoided;
the old filter screen main body inside the ventilation device main body is taken out, an external dust collector is started in the taking out process, the dust collector is connected with a dust collector pipeline to operate through the external dust collector, the inside of the dust collection box is in a negative pressure state, the sealing plate is sucked downwards to compress the second spring, so that dust generated when people replace the old filter screen main body can be absorbed, the inside of the ventilation device main body is avoided, and when the external dust collector stops operating, the sealing plate seals the opening under the action of the elasticity of the second spring.
Drawings
FIG. 1 is a schematic view of the construction of a preferred embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a preferred embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of a protective frame according to a preferred embodiment of the present utility model;
FIG. 4 is a schematic view of an exploded view of the assembly and disassembly mechanism according to the preferred embodiment of the present utility model;
FIG. 5 is a schematic side view of a lock block according to a preferred embodiment of the present utility model;
figure 6 is a schematic cross-sectional view of a suction box according to a preferred embodiment of the present utility model.
Reference numerals illustrate: 1. a ventilation device body; 2. a disassembly and assembly mechanism; 201. a fixed block; 202. a lock lever; 203. a first spring; 204. a locking piece; 205. a lock hole; 206. a clamping block; 207. a clamping groove; 3. a protective frame; 4. a protective net; 5. a fixed rod; 6. pressing a frame; 7. a filter screen body; 8. a limit frame; 9. a dust collection mechanism; 901. a dust collection box; 902. a fixing seat; 903. a guide rod; 904. a sealing plate; 905. a second spring; 906. a vacuum cleaner pipe; 907. an opening; 10. a blower.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1-6 in combination, a ventilation device for facilitating filter screen replacement in a laboratory according to the present utility model includes: the ventilation device body 1, ventilation device body 1 one end outer wall is provided with dismouting mechanism 2, dismouting mechanism 2 quantity is provided with four, dismouting mechanism 2 one end is provided with protection frame 3, protection frame 3 middle part one side is provided with protection network 4, protection frame 3 is close to ventilation device body 1 inside one side fixedly connected with dead lever 5, protection frame 3 one end is kept away from to dead lever 5 is fixed to be provided with presses frame 6, ventilation device body 1 inside is close to presses frame 6 one side to be provided with filter screen body 7, ventilation device body 1 inside is close to filter screen body 7 one side fixedly connected with spacing frame 8, ventilation device body 1 is close to filter screen body 7 one end downside outer wall and is provided with dust absorption mechanism 9.
As shown in fig. 4 and fig. 5, the fixing block 201 is fixedly connected to an outer wall of one end of the ventilation device main body 1, the inner wall of the fixing block 201 is slidably connected with the locking rod 202, by pushing the locking rod 202 to pass through the locking hole 205 and rotating the locking rod 202, the clamping block 206 on the locking rod 202 is just clamped in the clamping groove 207, so that the locking rod 202 can be connected with the locking block 204, the outer wall of one end of the locking rod 202 is sleeved with the first spring 203, the locking rod 202 is pushed under the elastic force of the first spring 203, the locking block 204 is pulled by the locking rod 202 to fix the protection frame 3 on the ventilation device main body 1, the locking block 204 is fixedly connected to an outer wall of one side of the protection frame 3, the locking hole 205 is formed in the middle of the locking block 204, the clamping block 206 is fixedly arranged on an outer wall of one end of the locking rod 202 close to the locking block 204, the clamping groove 207 is formed in the opposite side of the locking block 204 and the clamping groove 207, the number of the locking blocks 204 is four, and the four locking blocks 204 are uniformly distributed on the outer wall of the protection frame 3.
As shown in fig. 6, the dust collection box 901 is fixedly arranged on the outer wall of the lower side of the end, close to the filter screen body 7, of the ventilation device body 1, a fixing seat 902 is fixedly connected to one side of the upper end inside the dust collection box 901, so that the guide rod 903 is conveniently limited, the middle of the fixing seat 902 is slidably connected with the guide rod 903, a second spring 905 is sleeved on the outer wall of one side, close to the upper end, of the fixing seat 902, of the guide rod 903, the sealing plate 904 is conveniently pushed by the cooperation of the second spring 905, the sealing plate 904 is sealed by the sealing plate 907, the sealing plate 904 is fixedly arranged on one side of the top end of the guide rod 903, a dust collection pipe 906 is connected to one side of the bottom end of the dust collection box 901, an opening 907 is formed on one side of the top end of the dust collection box 901, the dust collection pipe 906 is communicated with the inside of the dust collection box 901, the opening is conveniently connected with the outside dust collector to perform dust collection work, the opening is communicated with the inside of the ventilation device body 1, the guide rod 903 is rectangular, as shown in fig. 2, the inner wall of one side, close to the limit frame 8 of the ventilation device body 1 is fixedly provided with a fan 10, and two sides of the filter screen body 7 are respectively attached to the contact press frame 6 and the limit frame 8.
Specifically, when the filter screen main body 7 is replaced and installed, the locking rod 202 can be manually pushed to compress the first spring 203, so that the clamping block 206 at one end of the locking rod 202 can be moved out of the clamping groove 207, meanwhile, the locking rod 202 can be manually rotated by 90 degrees, so that the locking rod 202 can be taken out from the locking hole 205 together with the clamping block 206, then the protective frame 3 can be detached from the ventilation device main body 1, the old filter screen main body 7 in the ventilation device main body 1 is taken out, an external dust collector is started in the process of taking out, the dust collector is connected with the dust collector pipeline 906 through the external dust collector, the dust collection box 901 is in a negative pressure state, the sealing plate 904 is sucked downwards to compress the second spring 905, dust generated when a person replaces the old filter screen main body 7 can be absorbed, the dust is prevented from being trapped in the ventilation device main body 1, when the external dust collector stops running, the sealing plate 904 is sealed with the opening 907 under the elastic action of the second spring 905, then the protective frame 3 can be installed at one end of the ventilation device main body 1, the new filter screen main body 7 can be extruded and attached to the filter screen 8 through the fixing rod 5 on the protective frame 3 in a matched mode with the pressing frame 6, and the filter screen 8 can be detached in a limiting mode.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Other parts of the present utility model not described in detail are all of the prior art, and are not described in detail herein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (6)
1. A ventilation device for a laboratory for facilitating filter screen replacement, comprising: the novel ventilating device is characterized in that dismounting mechanisms (2) are arranged on the outer wall of one end of the ventilating device body (1), four dismounting mechanisms (2) are arranged in number, a protective frame (3) is arranged at one end of each dismounting mechanism (2), a protective net (4) is arranged on one side of the middle of each protective frame (3), a fixing rod (5) is fixedly connected to one side of the protective frame (3) close to the inner side of the ventilating device body (1), a pressing frame (6) is fixedly arranged on one end of the fixing rod (5) away from the protective frame (3), a filter screen body (7) is arranged on one side of the inner side of the ventilating device body (1) close to the pressing frame (6), a limiting frame (8) is fixedly connected to one side of the inner side of the ventilating device body (1), and a dust collection mechanism (9) is arranged on the outer wall of the lower side of the end of the ventilating device body (1) close to the filter screen body (7).
2. The ventilation device for facilitating filter screen replacement in a laboratory according to claim 1, wherein the dismounting mechanism (2) comprises a fixed block (201), a lock rod (202), a first spring (203), a lock block (204), a lock hole (205), a clamping block (206) and a clamping groove (207), the fixed block (201) is fixedly connected to one end outer wall of the ventilation device main body (1), the lock rod (202) is slidably connected to the inner wall of the fixed block (201), the first spring (203) is sleeved on one end outer wall of the lock rod (202), the lock block (204) is fixedly connected to one side outer wall of the protective frame (3), the lock hole (205) is formed in the middle of the lock block (204), the clamping block (206) is fixedly arranged on one end outer wall of the lock rod (202) close to the lock block (204), and the clamping groove (207) is formed in the opposite side of the lock block (204) to the fixed block (201).
3. A ventilation device for facilitating filter screen replacement in a laboratory according to claim 2, wherein the inner shape and size of the clamping groove (207) are the same as those of the clamping blocks (206), the number of the locking blocks (204) is four, and the four locking blocks (204) are uniformly distributed on the outer wall of the protective frame (3).
4. The ventilation device of laboratory be convenient for change filter screen of claim 1, characterized in that, dust absorption mechanism (9) include dust absorption box (901), fixing base (902), guide bar (903), closing plate (904), second spring (905), dust catcher pipeline (906), opening (907), dust absorption box (901) are fixed to be set up in ventilation device main part (1) and are close to filter screen main part (7) one end downside outer wall, inside upper end one side fixedly connected with fixing base (902) of dust absorption box (901), fixing base (902) middle part sliding connection has guide bar (903), guide bar (903) have cup jointed second spring (905) near fixing base (902) upper end one side outer wall, guide bar (903) top one side fixedly is provided with closing plate (904), dust catcher pipeline (906) are connected with to dust absorption box (901) bottom one side pipeline, opening (907) are seted up on dust absorption box (901) top one side.
5. A laboratory filter screen change facilitating ventilation device according to claim 4, characterized in that the vacuum cleaner pipe (906) is in communication with the interior of the vacuum cleaner box (901), the opening (907) is in communication with the interior of the ventilation device body (1), and the guide bar (903) is rectangular in shape.
6. A ventilation device for facilitating filter screen replacement in a laboratory according to claim 1, wherein a fan (10) is fixedly arranged on the inner wall of one side of the ventilation device main body (1) close to the limit frame (8), and two sides of the filter screen main body (7) are respectively attached to the contact press frame (6) and the limit frame (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223554004.3U CN219063654U (en) | 2022-12-29 | 2022-12-29 | Ventilation device convenient for replacing filter screen in laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223554004.3U CN219063654U (en) | 2022-12-29 | 2022-12-29 | Ventilation device convenient for replacing filter screen in laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219063654U true CN219063654U (en) | 2023-05-23 |
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ID=86348290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223554004.3U Active CN219063654U (en) | 2022-12-29 | 2022-12-29 | Ventilation device convenient for replacing filter screen in laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219063654U (en) |
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2022
- 2022-12-29 CN CN202223554004.3U patent/CN219063654U/en active Active
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