CN219368154U - Vacuum drier with filter cover convenient to replace - Google Patents
Vacuum drier with filter cover convenient to replace Download PDFInfo
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- CN219368154U CN219368154U CN202320777152.7U CN202320777152U CN219368154U CN 219368154 U CN219368154 U CN 219368154U CN 202320777152 U CN202320777152 U CN 202320777152U CN 219368154 U CN219368154 U CN 219368154U
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- vacuum dryer
- vacuum
- filter housing
- connecting plate
- sliding
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a vacuum dryer convenient for replacing a filter cover, which comprises a mounting frame, a discharging pipe and a filter cover body, wherein the mounting frame is internally provided with the vacuum dryer body, the upper surface of the vacuum dryer body is provided with a feeding hole, a feeding pipe is fixedly arranged in the feeding hole, two groups of fixing components are arranged on the surface of the feeding pipe, connecting plates are arranged in the two groups of fixing components, the lower surface of the filter cover body is fixedly arranged on the upper surface of the connecting plate, and a pushing component is arranged on the upper surface of one end of the mounting frame.
Description
Technical Field
The utility model belongs to the technical field of vacuum dryers, and particularly relates to a vacuum dryer with a filter cover convenient to replace.
Background
The vacuum dryer is vacuum low-temperature equipment for heating materials, and is used for dehydrating and drying agricultural and sideline products, health products, foods, medicinal materials, fruits and vegetables, chemical raw materials and the like with high added value and heat sensitivity; the method is used for low-temperature concentration of chemical products, removal of crystal water, drying of enzyme preparations and the like, and vacuum extraction of Chinese herbal medicines, and is suitable for experiments of scientific research institutions.
However, the prior art has some problems: the current filter mantle is in long-time use, need dismantle the filter mantle and change, but current filter mantle is fixed at the inlet pipe upper surface by the mode of bolt mostly, leads to dismantling the filter mantle when changing, and the operation is comparatively loaded down with trivial details, and in addition the material is when discharging in the vacuum drier from, has partial material to pile up and can not go out at the inside row of vacuum drier to can cause the material extravagant, therefore we propose a vacuum drier of conveniently changing the filter mantle.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides the vacuum dryer with the filter cover convenient to replace, which has the advantages of being convenient for replacing the filter cover and preventing waste of materials, and solves the problems that the existing filter cover is required to be detached and replaced for a long time when being used, but the existing filter cover is mostly fixed on the upper surface of a feeding pipe in a bolt mode, so that the operation is complicated when the filter cover is detached and replaced, and in addition, when the materials are discharged from the vacuum dryer, part of the materials are accumulated in the vacuum dryer and cannot be discharged, so that the materials are wasted.
The utility model discloses a vacuum dryer convenient for replacing a filter cover, which comprises a mounting frame, a discharging pipe and a filter cover body, wherein the mounting frame is internally provided with the vacuum dryer body, the upper surface of the vacuum dryer body is provided with a feeding hole, a feeding pipe is fixedly arranged in the feeding hole, two groups of fixing components are arranged on the surface of the feeding pipe, connecting plates are arranged in the two groups of fixing components, the lower surface of the filter cover body is fixedly arranged on the upper surface of the connecting plates, the filter cover body is arranged on the upper surface of the feeding pipe, the lower surface of the vacuum dryer body is provided with a discharging hole, one end of the discharging pipe is fixedly arranged in the discharging hole, the upper surface of one end of the mounting frame is fixedly provided with a stirring device, one end of the stirring device is arranged in the vacuum dryer body, the upper surface of one end of the mounting frame is provided with a pushing component, one end of the pushing component is arranged in the vacuum dryer body, and one end of the vacuum dryer body is provided with a rotating hole.
As the preferable mode of the utility model, the fixing component comprises a fixing strip, one end of the fixing strip is fixedly arranged on the surface of the feeding pipe, one side of the fixing strip is provided with a sliding groove, and a sliding strip is arranged in the sliding groove in a sliding mode.
As the preferable mode of the utility model, a holding rod is fixedly arranged at one end of the sliding bar, a return spring is fixedly arranged at one end in the sliding groove, and one end of the return spring is elastically connected with the other end of the sliding bar.
As preferable in the utility model, the other end of the sliding bar is fixedly provided with a buckle rod, one side of the connecting plate is provided with a buckle hole, and one end of the buckle rod is movably inserted through the buckle hole to the other side of the connecting plate.
As the preferable mode of the utility model, the pushing component comprises a fixing frame, one end of the fixing frame is fixedly arranged on the upper surface of one end of the fixing frame, a motor is fixedly arranged in the fixing frame, and the output end of the motor is arranged in the rotating hole.
As the preferable mode of the utility model, the output end of the motor is fixedly provided with a positive and negative screw rod, and the positive and negative screw rod is arranged in the vacuum dryer body.
As the preferable mode of the utility model, the surfaces of the positive and negative screw rods are in threaded connection with two groups of sliding blocks, and the lower surfaces of the two groups of sliding blocks are fixedly provided with arc scraping plates.
As the preferable mode of the utility model, one end of the positive and negative screw rod is fixedly provided with a limiting block, and the limiting block is matched with one group of sliding blocks.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the design of the mounting frame, the vacuum dryer body, the feeding pipe, the discharging pipe, the filter cover body, the connecting plate, the fixing component, the stirring device and the pushing component, the vacuum dryer body is arranged in the mounting frame, so that the vacuum dryer body has the function of being fixedly supported, when the filter cover body needs to be replaced, the fixing component is pulled by a worker, one end of the connecting plate is taken out of the fixing component, then one end of the connecting plate of the other filter cover body is inserted into the fixing component, after the insertion of one end of the connecting plate is completed, the fixing component is slowly loosened by the worker, the fixing component is fixed to the connecting plate, so that the filter cover body can be stably arranged on the upper surface of the feeding pipe, the effect of being convenient for replacing the filter cover body is achieved, impurities in materials can be filtered through a filter screen arranged on the upper surface of the feeding pipe when the materials are to be injected into the feeding pipe, after the filtration, the materials are dried in vacuum through the vacuum dryer body, the materials can be stirred, the materials are fully dried through the vacuum dryer body, the materials can be discharged into the discharging pipe after the vacuum dryer body is completed, the materials are discharged into the discharging pipe, the discharging pipe is not accumulated, and the materials can be discharged into the discharging pipe, and the discharged from the discharging pipe is partially.
2. According to the utility model, through the design of the fixing strip and the sliding strip, one end of the fixing strip is fixedly arranged on the surface of the feeding pipe, one side of the fixing strip is provided with the sliding groove, and the sliding strip is slidably arranged in the sliding groove, so that the sliding strip has sliding stability during sliding.
3. According to the utility model, through the design of the holding rod and the return spring, when the filter cover body is required to be replaced, a worker holds the holding rod and then pulls the holding rod and drives the sliding strip to pull in the sliding groove, and the pulling in the sliding strip drives the return spring to stretch, so that the effect of driving the return spring to stretch is achieved.
4. According to the utility model, through the design of the buckle rod, the buckle rod is pulled by the sliding bar to drive the buckle rod to pull, so that the buckle rod is moved out of the buckle hole of the connecting plate, the connecting plate is taken out, then the buckle hole of the connecting plate of the other filtering cover body is butted with the buckle rod, after the butt joint of the buckle hole is completed, the holding rod is slowly released by a worker, the return spring is reset and drives the sliding bar to move in the sliding groove, and the sliding bar moves to drive the buckle rod to move, so that one end of the buckle rod is penetrated through the buckle hole to the other side of the connecting plate, and the connecting plate is positioned.
5. According to the utility model, through the design of the fixing frame and the motor, the motor is arranged in the fixing frame, so that the motor is fixed, and the effect that the motor is fixed is achieved.
6. According to the utility model, through the design of the positive and negative screw rods, when partial piled materials are required to be discharged to the discharging pipe, the output end is driven to rotate through the motor, and the positive and negative screw rods are rotated in the vacuum dryer body by the rotation of the output end of the motor, so that the effect of driving the positive and negative screw rods to rotate is achieved.
7. According to the utility model, through the design of the limiting block, the positive and negative screw rods rotate to drive the two groups of sliding blocks to move, and the two groups of sliding blocks move to drive the arc scraping plate to move, so that the arc scraping plate concentrates accumulated materials into the discharging pipe.
8. According to the utility model, through the design of the limiting block, one group of sliding blocks can be limited through the limiting block, and one group of sliding blocks is prevented from moving out of the positive and negative screw rods.
Drawings
FIG. 1 is a schematic perspective view of a structure provided by an embodiment of the present utility model;
FIG. 2 is a schematic perspective view of a filter housing provided in an embodiment of the present utility model;
FIG. 3 is a schematic perspective view of a return spring provided by an embodiment of the present utility model;
fig. 4 is a schematic perspective view of a front and back screw according to an embodiment of the present utility model.
In the figure: 1. a mounting frame; 2. a vacuum dryer body; 3. a feed pipe; 4. a discharge pipe; 5. a filter housing body; 6. a connecting plate; 7. a fixing assembly; 701. a fixing strip; 702. a slide bar; 703. a grip; 704. a return spring; 705. a clasp rod; 8. a stirring device; 9. a pushing component; 901. a fixing frame; 902. a motor; 903. a positive and negative screw rod; 904. a slide block; 905. a limiting block; 906. arc scraping plate.
Detailed Description
For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.
The structure of the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the vacuum dryer convenient for replacing a filter cover provided by the embodiment of the utility model comprises a mounting frame 1, a discharging pipe 4 and a filter cover body 5, wherein a vacuum dryer body 2 is arranged in the mounting frame 1, a feeding hole is formed in the upper surface of the vacuum dryer body 2, a feeding pipe 3 is fixedly installed in the feeding hole, two groups of fixing components 7 are arranged on the surface of the feeding pipe 3, a connecting plate 6 is arranged in each of the two groups of fixing components 7, the lower surface of the filter cover body 5 is fixedly installed on the upper surface of the connecting plate 6, the filter cover body 5 is arranged on the upper surface of the feeding pipe 3, a discharging hole is formed in the lower surface of the vacuum dryer body 2, one end of the discharging pipe 4 is fixedly installed in the discharging hole, a stirring device 8 is fixedly installed on the upper surface of one end of the mounting frame 1, one end of the stirring device 8 is arranged in the vacuum dryer body 2, a pushing component 9 is arranged on the upper surface of one end of the mounting frame 1, one end of the pushing component 9 is arranged in the vacuum dryer body 2, and one end of the vacuum dryer body 2 is provided with a rotating hole.
The scheme is adopted: through the design of the installation frame 1, the vacuum dryer body 2, the feeding pipe 3, the discharging pipe 4, the filter cover body 5, the connecting plate 6, the fixing component 7, the stirring device 8 and the pushing component 9, the vacuum dryer body 2 is fixedly supported through the arrangement of the vacuum dryer body 2 in the installation frame 1, when the filter cover body 5 needs to be replaced, one end of the connecting plate 6 is taken out from the fixing component 7 through the pulling of the fixing component 7 by a worker, then one end of the connecting plate 6 of the other filter cover body 5 is inserted into the fixing component 7, after the insertion of one end of the connecting plate 6 is completed, the fixing component 7 is slowly released by the worker, the fixing component 7 is fixed on the connecting plate 6, so that the filter cover body 5 can be stably arranged on the upper surface of the feeding pipe 3, the effect of being convenient for replacing the filter cover body 5 is achieved, the vacuum dryer body 2 is injected with the material from the inlet pipe 3 through the staff, when the material is to be injected into the inlet pipe 3, the impurity in the material can be filtered through the filter screen that inlet pipe 3 upper surface set up, after the filtration material is accomplishing in the injection, carry out vacuum drying to the material through vacuum dryer body 2 operation, agitating unit 8 can be to the material stirring simultaneously, make the material by abundant vacuum drying, the material can be at vacuum dryer body 2 internal discharge to discharging pipe 4 after accomplishing, then discharging pipe 4 is discharged the material again, in addition, there is part accumulational material to be discharged in the discharging pipe 4, through pushing away material subassembly 9 operation, concentrate part accumulational material to discharging pipe 4 in, make discharging pipe 4 discharge part accumulational material, prevent the material extravagant.
Referring to fig. 2, the fixing assembly 7 includes a fixing bar 701, one end of the fixing bar 701 is fixedly installed on the surface of the feeding pipe 3, a sliding groove is formed on one side of the fixing bar 701, and a sliding bar 702 is slidably installed in the sliding groove.
The scheme is adopted: through the design of fixed strip 701 and draw runner 702, through fixed strip 701 one end fixed mounting at inlet pipe 3 surface, the spout has been seted up to fixed strip 701 one side, and slidable mounting has draw runner 702 in the spout, makes draw runner 702 have the stability of slip when sliding.
Referring to fig. 3, a holding rod 703 is fixedly mounted at one end of the sliding bar 702, a return spring 704 is fixedly mounted at one end of the sliding groove, and one end of the return spring 704 is elastically connected to the other end of the sliding bar 702.
The scheme is adopted: through the design of holding rod 703 and return spring 704, when needs change filter mantle body 5, hold holding rod 703 through the staff, later with the pulling of holding rod 703 and drive draw runner 702 in the spout, draw in the draw runner 702 and drive return spring 704 tensile, reached and drive the tensile effect of return spring 704.
Referring to fig. 3, a fastening rod 705 is fixedly mounted at the other end of the sliding bar 702, a fastening hole is formed in one side of the connecting plate 6, and one end of the fastening rod 705 is movably inserted through the fastening hole to the other side of the connecting plate 6.
The scheme is adopted: through the design of buckle pole 705, be pulled through draw bar 702 and drive buckle pole 705 pulling, make buckle pole 705 shift out from the buckle downthehole of connecting plate 6, let connecting plate 6 be taken out, later dock buckle hole and buckle pole 705 of connecting plate 6 with another filter housing body 5, the buckle hole is after the butt joint is accomplished, through the staff with holding rod 703 slowly loosen again, will make return spring 704 reset and drive draw bar 702 and remove in the spout, draw bar 702 removes and drives buckle pole 705 removal, make buckle pole 705 one end alternate the buckle hole to the connecting plate 6 opposite side, let connecting plate 6 be fixed a position.
Referring to fig. 1, the pushing assembly 9 includes a fixing frame 901, one end of the fixing frame 901 is fixedly installed on the upper surface of one end of the mounting frame 1, a motor 902 is fixedly installed in the fixing frame 901, and an output end of the motor 902 is arranged in a rotation hole.
The scheme is adopted: through the design of mount 901 and motor 902, install in mount 901 through motor 902, make motor 902 fixed, reached motor 902 and had the effect of being fixed.
Referring to fig. 4, a front and back screw 903 is fixedly installed at an output end of a motor 902, and the front and back screw 903 is disposed in a vacuum dryer body 2.
The scheme is adopted: through the design of positive and negative lead screw 903, slider 904 and arc scraping plate 906, when needs are discharged partial piled up material to discharging pipe 4, drive the output through motor 902 work and rotate, the output rotation of motor 902 takes positive and negative lead screw 903 to rotate in vacuum drier body 2, has reached the effect of driving positive and negative lead screw 903 pivoted.
Referring to fig. 4, two groups of sliding blocks 904 are connected to the surface of the front and back screw 903 in a threaded manner, and arc scraping plates 906 are fixedly installed on the lower surfaces of the two groups of sliding blocks 904.
The scheme is adopted: the two groups of sliding blocks 904 are driven to move through the rotation of the front and back screw rods 903, and the two groups of sliding blocks 904 move to drive the arc scraping plate 906 to move, so that the arc scraping plate 906 concentrates the accumulated materials into the discharging pipe 4.
Referring to fig. 4, a limiting block 905 is fixedly installed at one end of the front and back screw 903, and the limiting block 905 and one group of sliding blocks 904 are matched with each other.
The scheme is adopted: through the design of stopper 905, can be through stopper 905 to one of them slider 904 spacing, prevent that one of them slider 904 from removing from positive and negative lead screw 903.
The working principle of the utility model is as follows:
when in use, through the vacuum dryer body 2 arranged in the mounting frame 1, the vacuum dryer body 2 has the function of being fixedly supported, when the filter housing body 5 needs to be replaced, a worker holds the holding rod 703, then pulls the holding rod 703 and drives the sliding rod 702 to pull in the chute, the sliding rod 702 pulls the return spring 704, the sliding rod 702 is pulled to drive the clamping rod 705 to pull, the clamping rod 705 is moved out of the clamping hole of the connecting plate 6, the connecting plate 6 is taken out, then the clamping hole of the connecting plate 6 of the other filter housing body 5 is butted with the clamping rod 705, after the butting is completed, the holding rod 703 is slowly released by the worker, the return spring 704 is reset and drives the sliding rod 702 to move in the chute, the sliding rod 702 moves to drive the clamping rod 705 to move, one end of the clamping rod is penetrated through the clamping hole to the other side of the connecting plate 6, let the connecting plate 6 be fixed a position to make filtering cover body 5 can stably set up at inlet pipe 3 upper surface, reached the effect of being convenient for change filtering cover body 5, pour into vacuum dryer body 2 with the material from inlet pipe 3 through the staff, when the material will pour into inlet pipe 3 in, the filter screen that sets up through inlet pipe 3 upper surface can filter the impurity in the material, after the filtration material is pouring into the completion, run through vacuum dryer body 2 and carry out the vacuum drying to the material, agitating unit 8 can stir the material simultaneously, make the material by abundant vacuum drying, the material can discharge to discharging pipe 4 in vacuum dryer body 2 after being dried by the vacuum, then discharging pipe 4 is gone out the material again, in addition there is the material that partially piles up to be discharged in the discharging pipe 4, the output end is driven to rotate through the operation of the motor 902, the output end of the motor 902 rotates to drive the positive and negative screw rods 903 to rotate in the vacuum dryer body 2, the positive and negative screw rods 903 rotate to drive the two groups of sliding blocks 904 to move, the two groups of sliding blocks 904 move to drive the arc scraping plate 906 to move, and the arc scraping plate 906 concentrates accumulated materials into the discharging pipe 4.
To sum up: this conveniently change vacuum drying machine of filter mantle, through mounting bracket 1, vacuum drying machine body 2, inlet pipe 3, discharging pipe 4, filter mantle body 5, connecting plate 6, fixed subassembly 7, fixed strip 701, slide bar 702, holding rod 703, return spring 704, buckle pole 705, agitating unit 8, pushing components 9, mount 901, motor 902, positive and negative lead screw 903, slider 904, stopper 905 and arc scraping plate 906's structure, the use at a long time of current filter mantle has been solved, need dismantle the filter mantle and change, but current filter mantle is fixed at the inlet pipe upper surface mainly adopting the mode of bolt, result in dismantling the change with the filter mantle, the operation is comparatively loaded down with trivial details, in addition the material is discharging from the vacuum drying machine in, there is partial material to pile up in the vacuum drying machine inside and is not discharged, thereby can cause the extravagant problem of material.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a conveniently change vacuum drying machine of filter mantle, includes mounting bracket (1), discharging pipe (4) and filter mantle body (5), its characterized in that: be provided with vacuum drier body (2) in mounting bracket (1), the feed inlet has been seted up to vacuum drier body (2) upper surface, feed inlet internal fixation has inlet pipe (3), feed pipe (3) surface sets up two sets of fixed subassembly (7), two sets of all be provided with connecting plate (6) in fixed subassembly (7), filter housing body (5) lower surface fixed mounting is in connecting plate (6) upper surface, filter housing body (5) set up at inlet pipe (3) upper surface, the discharge opening has been seted up to vacuum drier body (2) lower surface, discharging pipe (4) one end fixed mounting is in the discharge opening, surface fixed mounting has agitating unit (8) on mounting bracket (1) one end, agitating unit (8) one end sets up in vacuum drier body (2), mounting bracket (1) one end upper surface is provided with pushes away material subassembly (9), push away material subassembly (9) one end and set up in vacuum drier body (2), rotation hole has been seted up to vacuum drier body (2) one end.
2. A vacuum dryer for facilitating replacement of a filter housing as set forth in claim 1, wherein: the fixing assembly (7) comprises a fixing strip (701), one end of the fixing strip (701) is fixedly arranged on the surface of the feeding pipe (3), a sliding groove is formed in one side of the fixing strip (701), and a sliding strip (702) is slidably arranged in the sliding groove.
3. A vacuum dryer for facilitating replacement of a filter housing as set forth in claim 2, wherein: the utility model discloses a sliding chute, including slider (702), holding rod (703) is fixed mounting to slider (702) one end, one end fixed mounting has return spring (704) in the spout, return spring (704) one end elastic connection is at slider (702) other end.
4. A vacuum dryer for facilitating replacement of a filter housing as set forth in claim 2, wherein: the sliding bar (702) is fixedly provided with a clamping rod (705) at the other end, one side of the connecting plate (6) is provided with a clamping hole, and one end of the clamping rod (705) is movably inserted through the clamping hole to the other side of the connecting plate (6).
5. A vacuum dryer for facilitating replacement of a filter housing as set forth in claim 1, wherein: the pushing assembly (9) comprises a fixing frame (901), one end of the fixing frame (901) is fixedly arranged on the upper surface of one end of the mounting frame (1), a motor (902) is fixedly arranged in the fixing frame (901), and the output end of the motor (902) is arranged in the rotating hole.
6. A vacuum dryer for facilitating replacement of a filter housing as set forth in claim 5, wherein: the positive and negative screw rods (903) are fixedly arranged at the output end of the motor (902), and the positive and negative screw rods (903) are arranged in the vacuum dryer body (2).
7. A vacuum dryer for facilitating replacement of a filter housing as set forth in claim 6, wherein: the surface of the front and back screw rod (903) is in threaded connection with two groups of sliding blocks (904), and arc scraping plates (906) are fixedly arranged on the lower surfaces of the two groups of sliding blocks (904).
8. A vacuum dryer for facilitating replacement of a filter housing as set forth in claim 6, wherein: one end of the front and back screw rod (903) is fixedly provided with a limiting block (905), and the limiting block (905) and one group of sliding blocks (904) are matched with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320777152.7U CN219368154U (en) | 2023-04-11 | 2023-04-11 | Vacuum drier with filter cover convenient to replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320777152.7U CN219368154U (en) | 2023-04-11 | 2023-04-11 | Vacuum drier with filter cover convenient to replace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219368154U true CN219368154U (en) | 2023-07-18 |
Family
ID=87140991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320777152.7U Active CN219368154U (en) | 2023-04-11 | 2023-04-11 | Vacuum drier with filter cover convenient to replace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219368154U (en) |
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2023
- 2023-04-11 CN CN202320777152.7U patent/CN219368154U/en active Active
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