CN216124347U - Noise-reducing dust collector - Google Patents

Noise-reducing dust collector Download PDF

Info

Publication number
CN216124347U
CN216124347U CN202121387233.3U CN202121387233U CN216124347U CN 216124347 U CN216124347 U CN 216124347U CN 202121387233 U CN202121387233 U CN 202121387233U CN 216124347 U CN216124347 U CN 216124347U
Authority
CN
China
Prior art keywords
fixedly connected
groove
blocks
block
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202121387233.3U
Other languages
Chinese (zh)
Inventor
李明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202121387233.3U priority Critical patent/CN216124347U/en
Application granted granted Critical
Publication of CN216124347U publication Critical patent/CN216124347U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

The utility model discloses a noise-reducing dust collector which comprises a supporting groove, wherein the bottom of the supporting groove is fixedly connected with two pairs of rollers, the two pairs of rollers are symmetrically arranged around the central axis of the supporting groove, a supporting plate is arranged above the supporting groove, the top of the supporting plate is fixedly connected with a dust suction box, the inner wall of the dust collection box is provided with a sound insulation layer, a buffer mechanism is arranged between the support plate and the support groove, the inner wall of the top of the dust collection box is fixedly connected with a motor bin, a transmission motor is fixedly connected in the motor bin, the bottom of the motor bin is fixedly connected with a fixed bin, an output shaft of the transmission motor penetrates through the bottom of the motor bin and the top of the fixed bin and is fixedly connected with a worm wheel blade, the inner cavity at the bottom of the dust collection box is provided with the pushing mechanism, and the dust collection box has the characteristics of low use noise and convenience for taking out the chip collecting grooves through a series of structures.

Description

Noise-reducing dust collector
Technical Field
The utility model relates to the technical field of dust collectors, in particular to a noise reduction dust collector.
Background
The vacuum cleaner can be divided into a vertical type, a horizontal type and a portable type according to the structure. The working principle of the dust collector is that the blades are driven by the motor to rotate at a high speed, air negative pressure is generated in the sealed shell, and dust is sucked.
However, the existing dust collector has high noise, influences on human hearing when collecting dust for a long time, and is inconvenient to take out a dust collecting groove, so that in order to correct the defects, a noise reduction dust collector is provided.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a mute dust collector.
One of the purposes of the utility model is realized by adopting the following technical scheme:
a silent dust collector comprises a supporting groove, wherein the bottom of the supporting groove is fixedly connected with two pairs of rollers, the two pairs of rollers are symmetrically arranged about the central axis of the supporting groove, a supporting plate is arranged above the supporting groove, the top of the supporting plate is fixedly connected with a dust collection box, the inner wall of the dust collection box is provided with a sound insulation layer, a buffer mechanism is arranged between the supporting plate and the supporting groove, the inner wall of the top of the dust collection box is fixedly connected with a motor cabin, a transmission motor is fixedly connected in the motor cabin, the bottom of the motor cabin is fixedly connected with a fixed cabin, an output shaft of the transmission motor penetrates through the bottom of the motor cabin and the top of the fixed cabin and is fixedly connected with a worm wheel blade, an inner cavity of the bottom of the dust collection box is provided with a pushing mechanism, a pipe orifice is arranged in the inner cavity of the dust collection box, one end of a first dust collection pipe penetrates through the sound insulation layer and the dust collection box and is fixedly connected with a second dust collection pipe, the second dust absorption pipe is of a hose structure, and a dust absorption head is fixedly connected to the other end pipe orifice of the second dust absorption pipe.
Further, the equal fixedly connected with of both sides inner wall in motor storehouse is a pair of first spring, and is every right the first snubber block of opposite side fixedly connected with of first spring, transmission motor's below is equipped with a pair of second snubber block, and is a pair of the second snubber block is the symmetry setting about transmission motor's output shaft, and every the equal fixedly connected with of bottom of second snubber block is a pair of second spring, the opposite side fixed connection of second spring is at the bottom inner wall in motor storehouse, the equal fixedly connected with of both sides inner wall in motor storehouse is the first snubber block of a plurality of, one side that first snubber block and second snubber block are close to transmission motor all is provided with the shock pad, the shock pad is the rubber pad structure.
Further, the bottom fixedly connected with in fixed storehouse inhales the sound ring, inhale the inner wall fixedly connected with a plurality of second of sound ring and inhale sound piece, a plurality of the second inhales the sound piece and is cyclic annular setting about the central axis of inhaling the sound ring.
Further, pushing mechanism includes two first fixed blocks, first fixed block fixed connection is in the dust absorption bottom of the case portion, and its the central axis about the dust absorption case is the symmetry setting, and two be equipped with the standing groove between the first fixed block, the trailing flank of standing groove is equipped with the cylinder, cylinder fixed connection is in the trailing flank of dust absorption case, just the output shaft fixed connection of cylinder is at the lateral wall of standing groove, be equipped with the chip groove in the standing groove, the dust absorption case is close to the preceding terminal surface swing joint of standing groove and has the dodge gate, the dodge gate is close to one side fixedly connected with abatvoix of standing groove.
Further, the width of the placing groove is equal to the distance between the two first fixing blocks.
Furthermore, the buffer mechanism comprises two pairs of second fixed blocks and a pair of third fixed blocks, the top ends and the bottom ends of the pair of third fixed blocks are respectively and fixedly connected with the inner walls of the bottoms of the support plate and the support groove, the two pairs of second fixed blocks are fixedly connected with the bottom of the support plate and are symmetrically arranged relative to the central axis of the support plate, two buffer blocks are arranged between each pair of second fixed blocks, through holes are formed in the buffer blocks, slide rods penetrate through the through holes, the two ends of each slide rod are fixedly connected with the side walls of the second fixed blocks, a third spring is fixedly connected to one side, close to the second fixed blocks, of each buffer block, the other side of the third spring is fixedly connected with the side walls of the second fixed blocks, the front end face of each pair of buffer blocks is movably connected with a rotating block through a rotating shaft, and the two rotating blocks are movably connected through a rotating shaft, and the other side of the rotating block is movably connected with a rotating wheel through a rotating shaft.
Furthermore, the cross sections of the supporting plate and the supporting groove are rectangular, and the width of the supporting plate is equal to the width of the inner cavity of the supporting groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. the left-right and up-down shaking amplitude of the transmission motor can be reduced through the first damping block, the damping pad, the first spring, the second spring and the second damping block, so that the noise generated by shaking of the transmission motor is reduced, the noise generated when the transmission motor rotates can be absorbed through the first sound absorption block, and the noise generated by the worm wheel blade is absorbed through the second sound absorption block, so that the noise reduction effect of the equipment is further improved;
2. through the matching between the cylinder and the placing groove, the chip collecting groove can be pushed out of the dust suction box when the chip collecting groove needs to be taken out, so that the chips and the dust can be conveniently dumped, and the stability of the chip collecting groove in moving can be improved through the two first fixing blocks;
3. through supporting the cooperation between groove, backup pad, buffer block, slide bar, third spring, turning block and the runner, can absorb the vibrations that produce when driving motor is rotatory to stability when improving this equipment and using.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a perspective view of the present embodiment;
FIG. 2 is an overall view of the present embodiment;
FIG. 3 is a top view of the suction box, the first fixing block, the placement groove and the dust collecting groove;
FIG. 4 is an enlarged view taken at A in FIG. 2;
fig. 5 is an enlarged view of fig. 2 at B.
In the figure: 1. a support groove; 2. a roller; 3. a support plate; 4. a dust collection box; 5. a sound insulating layer; 6. a motor compartment; 7. a drive motor; 8. fixing the bin; 9. a worm wheel blade; 10. a first dust suction pipe; 11. a second dust suction pipe; 12. a dust collection head; 13. a first spring; 14. a first damper block; 15. a second damper block; 16. a second spring; 17. a first sound absorption block; 18. a sound absorbing ring; 19. a second sound absorbing block; 20. a first fixed block; 21. a placement groove; 22. a cylinder; 23. a chip collecting groove; 24. a sound-absorbing panel; 25. a second fixed block; 26. a buffer block; 27. a slide bar; 28. a third spring; 29. rotating the block; 30. a rotating wheel; 31. and a third fixed block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 5, a noise reduction dust collector includes a supporting groove 1, two pairs of rollers 2 are fixedly connected to the bottom of the supporting groove 1, the two pairs of rollers 2 are symmetrically arranged about the central axis of the supporting groove 1, a supporting plate 3 is disposed above the supporting groove 1, the cross sections of the supporting plate 3 and the supporting groove 1 are rectangular, and the width of the supporting plate 3 is equal to the width of an inner cavity of the supporting groove 1, so that the dust collection box 4 is prevented from shaking when the dust collection device moves, the stability of the device when the device moves is improved, a dust collection box 4 is fixedly connected to the top of the supporting plate 3, a sound insulation layer 5 is disposed on the inner wall of the dust collection box 4, the sound insulation layer 5 is made of a sound insulation damping felt, the sound insulation damping felt has excellent performance in air sound and impact insulation, noise generated by a transmission motor 7 can be insulated by the sound insulation layer 5, a buffer mechanism is disposed between the supporting plate 3 and the supporting groove 1, the buffer mechanism includes two pairs of second fixing blocks 25 and a pair of third fixing blocks 31, the top ends and the bottom ends of a pair of third fixed blocks 31 are respectively fixedly connected with the inner walls of the bottom parts of the support plate 3 and the support groove 1, two pairs of second fixed blocks 25 are fixedly connected with the bottom part of the support plate 3 and are symmetrically arranged about the central axis of the support plate 3, two buffer blocks 26 are arranged between each pair of second fixed blocks 25, through holes are arranged on the buffer blocks 26, slide rods 27 penetrate through the through holes, two ends of each slide rod 27 are fixedly connected with the side walls of the second fixed blocks 25, one side of each buffer block 26 close to the second fixed block 25 is fixedly connected with a third spring 28, the other side of each third spring 28 is fixedly connected with the side wall of the second fixed block 25, the front end surface of each pair of buffer blocks 26 is movably connected with a rotating block 29 through a rotating shaft, the two rotating blocks 29 are movably connected through the rotating shaft, and the other side of the rotating block 29 is movably connected with a rotating wheel 30 through the rotating shaft, and the vibration generated by the transmission motor 7 can be absorbed through a buffer mechanism, in order to improve the stability of the device when in use, the inner wall of the top of the dust collection box 4 is fixedly connected with a motor bin 6, the inner walls of two sides of the motor bin 6 are fixedly connected with a pair of first springs 13, the other side of each pair of first springs 13 is fixedly connected with a first shock absorption block 14, a pair of second shock absorption blocks 15 are arranged below the transmission motor 7, the pair of second shock absorption blocks 15 are symmetrically arranged relative to the output shaft of the transmission motor 7, the bottom of each second shock absorption block 15 is fixedly connected with a pair of second springs 16, the other side of each second spring 16 is fixedly connected with the inner wall of the bottom of the motor bin 6, the inner walls of two sides of the motor bin 6 are fixedly connected with a plurality of first shock absorption blocks 17, shock absorption pads are arranged on one sides, close to the transmission motor 7, of the first shock absorption blocks 14 and the second shock absorption blocks 15, the shock absorption pads are of rubber pad structures, and are matched with the first springs 13 through the first shock absorption blocks 14, the left and right shaking of the transmission motor 7 can be reduced, the up and down shaking amplitude of the transmission motor 7 can be reduced through the matching among the second damping block 15, the damping pad and the second spring 16, so that the noise generated by shaking of the transmission motor 7 is avoided, the transmission motor 7 is fixedly connected in the motor cabin 6, the bottom of the motor cabin 6 is fixedly connected with the fixed cabin 8, the bottom of the fixed cabin 8 is fixedly connected with the sound absorption ring 18, the inner wall of the sound absorption ring 18 is fixedly connected with a plurality of second sound absorption blocks 19, the second sound absorption blocks 19 are annularly arranged relative to the central axis of the sound absorption ring 18, the noise generated by the rotation of the worm wheel blades 9 is absorbed through the sound absorption ring 18 and the second sound absorption blocks 19, so that the noise reduction effect of the equipment is improved, the output shaft of the transmission motor 7 penetrates through the bottom of the motor cabin 6 and the top of the fixed cabin 8 and is fixedly connected with the worm wheel blades 9, the inner cavity at the bottom of the dust absorption box 4 is provided with a pushing mechanism, the pushing mechanism comprises two first fixed blocks 20, the first fixed blocks 20 are fixedly connected to the bottom of the dust collection box 4 and are symmetrically arranged about the central axis of the dust collection box 4, a placing groove 21 is arranged between the two first fixed blocks 20, the width of the placing groove 21 is equal to the distance between the two first fixed blocks 20, the device is prevented from generating noise when the device slides left and right to collide the side wall of the dust collection box 4, an air cylinder 22 is arranged on the rear side surface of the placing groove 21, the air cylinder 22 is fixedly connected to the rear side surface of the dust collection box 4, an output shaft of the air cylinder 22 is fixedly connected to the side wall of the placing groove 21, a scrap collecting groove 23 is arranged in the placing groove 21, a movable door is movably connected to the front end surface of the dust collection box 4 close to the placing groove 21, a sound absorption plate 24 is fixedly connected to one side of the movable door close to the placing groove 21, and the scrap collecting groove 23 can be pushed by the pushing mechanism when the scrap collecting groove 23 needs to be taken out, thereby improve the convenience of taking out chip pocket 23, and the 4 inner chambers of dust collection box are equipped with first dust absorption pipe 10, and the one end mouth of pipe of first dust absorption pipe 10 runs through puigging 5 and dust collection box 4 and fixedly connected with second dust absorption pipe 11, and second dust absorption pipe 11 is the hose construction, and the other end mouth of pipe fixedly connected with dust absorption head 12 of second dust absorption pipe 11.
The working principle is as follows: when the dust collector is used, the equipment is pushed to a designated place through the rolling action of the roller 2, then all electrical components are externally connected with a power supply, then the transmission motor 7 is started, the transmission motor 7 drives the worm wheel blade 9 to rotate, negative pressure is generated inside the dust collection box 4 through the rotation of the worm wheel blade 9, so that dust and debris are collected through the dust collection head 12 and are guided into the dust collection groove 23 through the first dust collection pipe 10, in the rotating process of the transmission motor 7, the left-right shaking amplitude of the transmission motor 7 can be reduced through the matching among the first spring 13, the shock absorption pad and the first shock absorption block 14, the up-down shaking amplitude of the transmission motor 7 can be reduced through the matching of the second spring 16, the shock absorption pad and the second shock absorption block 15, the noise generated by the transmission motor 7 and the worm wheel blade 9 can be absorbed through the first sound absorption block 17 and the second sound absorption block 19 respectively, thereby further reducing noise while the support plate 3 is bumped by the rotation of the driving motor 7, and then, the support plate 3, the turning block 29 and the turning wheel 30 are pushed to contact the inner wall of the bottom of the support tank 1, then, the supporting plate 3 pushes the rotating wheels 30 to roll towards both sides, and further drives the rotating blocks 29 to rotate towards both sides, then, the two buffer blocks 26 pushed by the turning block 29 move to both sides on the slide rod 27, respectively, and compress the third spring 28, so that the amplitude of the jolt of the suction box 4 is reduced by the elastic return action of the third spring 28, and the stability of use of the device is improved, when the chip collecting groove 23 needs to be removed, the movable door can be opened, and the cylinder 22 is started, the cylinder 22 pushes the placing groove 21 and the scrap collecting groove 23 to the outside of the dust suction box 4, the chip collecting groove 23 can be taken, and the dust and the scraps in the chip collecting groove 23 can be cleaned uniformly, which is the whole working process of the utility model.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (7)

1. The utility model provides a dust catcher of making an uproar falls, includes support groove (1), its characterized in that: the bottom of the supporting groove (1) is fixedly connected with two pairs of rollers (2), the two pairs of rollers (2) are symmetrically arranged about the central axis of the supporting groove (1), a supporting plate (3) is arranged above the supporting groove (1), the top of the supporting plate (3) is fixedly connected with a dust collection box (4), the inner wall of the dust collection box (4) is provided with a sound insulation layer (5), a buffer mechanism is arranged between the supporting plate (3) and the supporting groove (1), the inner wall of the top of the dust collection box (4) is fixedly connected with a motor bin (6), a transmission motor (7) is fixedly connected in the motor bin (6), the bottom of the motor bin (6) is fixedly connected with a fixed bin (8), an output shaft of the transmission motor (7) penetrates through the bottom of the motor bin (6) and the top of the fixed bin (8) and is fixedly connected with a worm wheel blade (9), the bottom inner chamber of suction box (4) is equipped with pushing mechanism, just suction box (4) inner chamber is equipped with first dust absorption pipe (10), the one end mouth of pipe of first dust absorption pipe (10) runs through puigging (5) and suction box (4) and fixedly connected with second dust absorption pipe (11), second dust absorption pipe (11) are hose construction, just the other end mouth of pipe fixedly connected with dust absorption head (12) of second dust absorption pipe (11).
2. A noise reducing cleaner as claimed in claim 1, wherein: the inner walls of the two sides of the motor bin (6) are fixedly connected with a pair of first springs (13), the other side of each pair of first springs (13) is fixedly connected with a first damping block (14), a pair of second damping blocks (15) is arranged below the transmission motor (7), the pair of second damping blocks (15) are symmetrically arranged around the output shaft of the transmission motor (7), and the bottom of each second damping block (15) is fixedly connected with a pair of second springs (16), the other side of the second spring (16) is fixedly connected with the inner wall of the bottom of the motor bin (6), the inner walls of the two sides of the motor bin (6) are fixedly connected with a plurality of first sound absorption blocks (17), and shock absorbing pads are arranged on one sides, close to the transmission motor (7), of the first shock absorbing block (14) and the second shock absorbing block (15), and the shock absorbing pads are of rubber pad structures.
3. A noise reducing cleaner as claimed in claim 1, wherein: the bottom fixedly connected with of fixed storehouse (8) inhales sound ring (18), inhale the inner wall fixedly connected with of sound ring (18) a plurality of second and inhale sound piece (19), a plurality of sound piece (19) are cyclic annular setting about the central axis of inhaling sound ring (18) are inhaled to the second.
4. A noise reducing cleaner as claimed in claim 1, wherein: pushing mechanism includes two first fixed blocks (20), first fixed block (20) fixed connection is in suction box (4) bottom, and its the central axis about suction box (4) is the symmetry setting, and two be equipped with standing groove (21) between first fixed block (20), the trailing flank of standing groove (21) is equipped with cylinder (22), cylinder (22) fixed connection is in the trailing flank of suction box (4), just the output shaft fixed connection of cylinder (22) is at the lateral wall of standing groove (21), be equipped with chip collecting groove (23) in standing groove (21), the preceding terminal surface swing joint that suction box (4) are close to standing groove (21) has the dodge gate, the dodge gate is close to one side fixedly connected with abatvoix (24) of standing groove (21).
5. A noise reducing cleaner as claimed in claim 4, wherein: the width of the placing groove (21) is equal to the distance between the two first fixing blocks (20).
6. A noise reducing cleaner as claimed in claim 1, wherein: the buffer mechanism comprises two pairs of second fixed blocks (25) and a pair of third fixed blocks (31), the top ends and the bottom ends of the third fixed blocks (31) are respectively and fixedly connected to the inner walls of the bottoms of the supporting plate (3) and the supporting groove (1), the two pairs of second fixed blocks (25) are fixedly connected to the bottom of the supporting plate (3) and are symmetrically arranged relative to the central axis of the supporting plate (3), two buffer blocks (26) are arranged between the second fixed blocks (25), through holes are formed in the buffer blocks (26), sliding rods (27) penetrate through the through holes, two ends of each sliding rod (27) are fixedly connected to the side wall of each second fixed block (25), one side, close to the second fixed block (25), of each buffer block (26) is fixedly connected with a third spring (28), and the other side of each third spring (28) is fixedly connected to the side wall of each second fixed block (25), the front end face of each pair of buffer blocks (26) is movably connected with a rotating block (29) through a rotating shaft, the two rotating blocks (29) are movably connected through the rotating shaft, and the other side of each rotating block (29) is movably connected with a rotating wheel (30) through the rotating shaft.
7. A noise reducing cleaner as claimed in claim 1, wherein: the cross sections of the supporting plate (3) and the supporting groove (1) are rectangular, and the width of the supporting plate (3) is equal to the width of an inner cavity of the supporting groove (1).
CN202121387233.3U 2021-06-22 2021-06-22 Noise-reducing dust collector Active CN216124347U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121387233.3U CN216124347U (en) 2021-06-22 2021-06-22 Noise-reducing dust collector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121387233.3U CN216124347U (en) 2021-06-22 2021-06-22 Noise-reducing dust collector

Publications (1)

Publication Number Publication Date
CN216124347U true CN216124347U (en) 2022-03-25

Family

ID=80766630

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121387233.3U Active CN216124347U (en) 2021-06-22 2021-06-22 Noise-reducing dust collector

Country Status (1)

Country Link
CN (1) CN216124347U (en)

Similar Documents

Publication Publication Date Title
CN214804426U (en) Noise reduction device for dust collector
CN216124347U (en) Noise-reducing dust collector
CN211288168U (en) Variable frequency air-blower takes precautions against earthquakes
CN207487164U (en) A kind of refrigerator with the two-stage refrigeration circulatory system
CN211530883U (en) Generator that facilitates use
CN210702615U (en) Multifunctional numerical control lathe
CN215887412U (en) Noise-reduction type air jet loom
CN213367534U (en) Direct-current brushless motor of dust collector
CN215838679U (en) Handheld energy-saving dust collector
CN215605365U (en) Novel mute dust collector for household cleaning
CN203539241U (en) Novel cloth bag dust collector
CN206839296U (en) It is a kind of to be sawed without dust lane
CN216256878U (en) Active noise reduction device for dust collector
CN216788653U (en) Printing is with air compressor machine shock attenuation subassembly of making an uproar that falls
CN208988733U (en) A kind of collapsible floor-cleaning machine of damping
CN213606113U (en) Pneumatic dust collector
CN213850466U (en) Low-noise mobile ash removal instrument
CN217620848U (en) Cutting machine environmental protection dust collecting device
CN213981829U (en) Novel complete set intensive Roots blower unit
CN215305476U (en) Dust collector rolling brush with quick installation function
CN212281188U (en) Motor damping mechanism of rechargeable portable dust catcher
CN215109501U (en) Screw air compressor with bearing temperature control device
CN211842288U (en) Paper powder collecting and processing device for slitting of roll paper
CN216754340U (en) Vibration-damping noise-reducing dust collector structure
CN212044257U (en) Shock-absorbing noise-reducing drum type shot blasting machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant