CN110985340A - Shock attenuation formula air compressor machine - Google Patents
Shock attenuation formula air compressor machine Download PDFInfo
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- CN110985340A CN110985340A CN201911196157.5A CN201911196157A CN110985340A CN 110985340 A CN110985340 A CN 110985340A CN 201911196157 A CN201911196157 A CN 201911196157A CN 110985340 A CN110985340 A CN 110985340A
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- rod
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- shock absorption
- air compressor
- buffer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0044—Pulsation and noise damping means with vibration damping supports
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to the technical field of air compressors, in particular to a shock absorption type air compressor, which aims to solve the problem of poor shock absorption effect of the existing air compressor. The damping device is novel in design and simple in structure, utilizes the same-level repulsion principle of neodymium magnets to damp, solves the problem that the fatigue performance of the spring is easy to reduce due to long-term operation in the traditional spring damping mode, prolongs the service life of equipment, effectively improves the damping effect, and avoids the problem that the service life of the equipment is reduced due to vibration in moving and working.
Description
Technical Field
The invention relates to the technical field of air compressors, in particular to a damping type air compressor.
Background
An air compressor is an apparatus for compressing air, and a motor directly drives the compressor to rotate a crankshaft, thereby driving a connecting rod to reciprocate a piston, thereby causing a change in the volume of a cylinder. Because of the change of the pressure in the cylinder, the air enters the cylinder through the air filter (silencer) by the air inlet valve, in the compression stroke, the compressed air enters the air storage tank through the exhaust pipe and the one-way valve (check valve) by the action of the exhaust valve due to the reduction of the volume of the cylinder, and the automatic stop is realized by the pressure switch control when the exhaust pressure reaches the rated pressure of 0.7 MPa. When the pressure of the gas storage tank is reduced to 0.5-0.6 MPa, the pressure switch is automatically connected and started.
Through retrieval, chinese patent discloses a shock attenuation formula air compressor machine (grant publication No. CN 208919208U), and this patent technique avoids the air compressor machine to receive vibrations damage in the removal process, but this patent is only through simple spring as the shock attenuation main part, and the structure is too single thin to make the shock attenuation effect ideal inadequately, and the relatively poor problem of stability. Therefore, those skilled in the art have provided a vibration-damping type air compressor to solve the above problems in the background art.
Disclosure of Invention
The invention aims to provide a damping type air compressor to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a shock attenuation formula air compressor machine, includes the air compressor machine body, the one end welded fastening of air compressor machine body has the support, and the below of air compressor machine body is provided with the backup pad, the below of air compressor machine body all welds in both ends position department, through bolt fixed connection between mounting and the backup pad, one side of support is provided with the handle, and links to each other through two branches are fixed between support and the handle, the below of backup pad is provided with the bottom plate, and four edges of backup pad and bottom plate all link to each other through adjustable stop gear, the upper surface of bottom plate is located central line position department and is provided with the damper who links to each other with the backup pad bottom, and the upper surface of bottom plate is located damper's both sides position department and is the equidistance interval and is provided with.
As a still further scheme of the invention: the adjustable limiting mechanism comprises a guide limiting rod fixed to the lower surface of the supporting plate, one end of the guide limiting rod penetrates through the bottom plate, pipe threads are arranged on the surface of one end, penetrating through the bottom plate, of the guide limiting rod, springs are sleeved at positions, located between the supporting plate and the bottom plate, of the middle section of the guide limiting rod, and nut blocks are screwed outside the pipe threads.
As a still further scheme of the invention: the surface of the bottom plate is provided with a through hole at a position corresponding to the guide limiting rod, the inner diameter of the through hole is matched with the outer diameter of the guide limiting rod, the guide limiting rod is connected with the through hole in a sliding mode, and the outer diameter of the nut block is larger than the inner diameter of the through hole.
As a still further scheme of the invention: the damping mechanism comprises a damping upper plate and a damping lower plate, fixing lugs are arranged on the two sides of the damping lower plate and the damping upper plate at equal intervals, the lower damping plate and the upper damping plate are respectively fixed on the upper surface of the bottom plate and the lower surface of the supporting plate through fixing lugs, the lower surface of the damping upper plate is uniformly distributed with second limit rings at equal intervals, the inner side of the second limit ring is fixed with a guide rod penetrating through the damping lower plate and the support plate at the central position, a first neodymium magnet is welded and fixed in the second limiting ring, a limiting block is fixed at one end of the guide rod which penetrates through the damping lower plate and the supporting plate, the upper surface of the damping lower plate is provided with a first limiting ring at the position corresponding to the second limiting ring, the inside welding of first spacing ring has second neodymium magnet, the guiding hole that supplies its to pass is all seted up in the position department that the surface of second neodymium magnet and first neodymium magnet corresponds the guide arm.
As a still further scheme of the invention: the guide rod is a component made of titanium alloy material, the S pole of the first neodymium magnet faces upwards, and the S pole of the first limiting ring faces downwards.
As a still further scheme of the invention: the buffer mechanism comprises a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece are positioned on the same vertical line, the second connecting piece is fixed on the lower surface of the supporting plate, the first connecting piece is fixed on the lower surface of the bottom plate, the inner side of the first connecting piece is rotatably connected with a first supporting rod, the inner side of the second connecting piece is rotatably connected with a second supporting rod, the other end of the first supporting rod is provided with a connecting groove rotatably connected with the end part of the second supporting rod, the lower surface of the first supporting rod is positioned at the middle position and is rotatably connected with a first air pressure rod, the upper surface of the first supporting rod is provided with a movable cavity, the interior of the movable cavity is fixed with a buffer spring, the interior of the movable cavity is positioned at one end position of the buffer spring and is slidably connected with a buffer block, and the upper surface of the second supporting rod is positioned, and the second supporting rod is rotatably connected with the second air pressure rod through a rotating part, and the lower surface of the second supporting rod is positioned at the middle section position and is rotatably connected with a buffer rod connected with the buffer block.
As a still further scheme of the invention: the aperture of the opening of the movable cavity is matched with the thickness of the buffer rod, and the aperture of the opening of the movable cavity is smaller than the diameters of the buffer spring and the buffer block.
As a still further scheme of the invention: the both sides of buffer block all are provided with the slip arch, the inboard of activity chamber corresponds the protruding position department of sliding and sets up the spout rather than the looks adaptation.
As a still further scheme of the invention: the two ends of the buffer rod are rotatably connected with the buffer block and the second support rod, the fixed end of the first air pressure rod is fixedly connected with the upper surface of the bottom plate, the fixed end of the second air pressure rod is fixedly connected with the lower surface of the support plate, the second support rod and the first support rod are in a '>' structure, and 45-degree included angles are formed between the second air pressure rod and the second support rod and between the first air pressure rod and the first support rod.
As a still further scheme of the invention: the bottom of bottom plate is located one end position and installs two and remove the wheel, and the bottom of bottom plate is located other end central line position and installs the directive wheel.
Compared with the prior art, the invention has the beneficial effects that: the damping device is novel in design and simple in structure, utilizes the same-level repulsion principle of neodymium magnets to damp, solves the problem that the fatigue performance of the spring is easy to reduce due to long-term operation in the traditional spring damping method, prolongs the service life of equipment, effectively improves the damping effect, and avoids the problem that the service life of the equipment is reduced due to vibration in moving and working.
Drawings
Fig. 1 is a schematic structural view of a shock-absorbing air compressor;
FIG. 2 is a schematic structural diagram of a cushion mechanism in a shock-absorbing air compressor;
fig. 3 is an enlarged schematic structural view of a shock-absorbing air compressor at a position B in fig. 2;
FIG. 4 is a schematic structural diagram of a damping device of a damping air compressor;
fig. 5 is an enlarged schematic structural view of a portion a in fig. 1 of the vibration-damping type air compressor.
In the figure: 1. an air compressor body; 2. a fixing member; 3. a first support bar; 4. a base plate; 5. a damping lower plate; 6. a support plate; 7. a first pneumatic rod; 8. a first connecting member; 9. a buffer rod; 10. a second connecting member; 11. a rotating member; 12. a second pneumatic rod; 13. a second support bar; 14. connecting grooves; 15. a movable cavity; 16. a buffer block; 17. a buffer spring; 18. a guide hole; 19. a guide bar; 20. a second neodymium magnet; 21. a shock-absorbing upper plate; 22. a first limit ring; 23. a limiting block; 24. fixing the ear; 25. a second stop collar; 26. a first neodymium magnet; 27. guiding a limiting rod; 28. a spring; 29. pipe threads; 30. a nut block; 31. a support; 32. a strut; 33. a handle; 34. a moving wheel; 35. and a steering wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, in the embodiment of the present invention, a shock absorption type air compressor includes an air compressor body 1, a bracket 31 is welded and fixed to one end of the air compressor body 1, a support plate 6 is disposed below the air compressor body 1, fixing members 2 are welded to positions at two ends of the lower portion of the air compressor body 1, the fixing members 2 are fixedly connected to the support plate 6 through bolts, a handle 33 is disposed at one side of the bracket 31, the bracket 31 is fixedly connected to the handle 33 through two support rods 32, a bottom plate 4 is disposed below the support plate 6, four corners of the support plate 6 and the bottom plate 4 are connected through adjustable limiting mechanisms, a shock absorption mechanism connected to the bottom of the support plate 6 is disposed at a central line position on the upper surface of the bottom plate 4, the shock absorption mechanism includes a shock absorption upper plate 21 and a shock absorption lower plate 5, fixing lugs 24 are disposed at equal intervals on two sides of the shock absorption lower, the damping lower plate 5 and the damping upper plate 21 are respectively fixed on the upper surface of the bottom plate 4 and the lower surface of the supporting plate 6 through fixing lugs 24, the lower surface of the damping upper plate 21 is uniformly distributed with second limit rings 25 at equal intervals, a guide rod 19 penetrating through the damping lower plate 5 and the supporting plate 6 is fixed at the central position of the inner side of each second limit ring 25, a first neodymium magnet 26 is fixed inside each second limit ring 25 in a welding manner, a limit block 23 is fixed at one end of each guide rod 19 penetrating through the damping lower plate 5 and the supporting plate 6, a first limit ring 22 is fixed at the position of the upper surface of the damping lower plate 5 corresponding to the second limit ring 25, a second neodymium magnet 20 is welded inside each first limit ring 22, guide holes 18 for the neodymium magnet to penetrate through are formed at the positions of the surfaces of the second neodymium magnet 20 and the first neodymium magnet 26 corresponding to the guide rods 19, and each guide rod 19 is a titanium alloy member, when moving to the highway section of jolting, air compressor machine body 1 moves down because of weight drive backup pad 6, move down the distance between in-process second neodymium magnet 20 and first neodymium magnet 26 and reduce gradually, the south pole of first neodymium magnet 26 is upwards, the south pole of first spacing ring 22 is downwards, consequently repulsive force between the two can grow gradually, until offsetting, effectual improvement shock attenuation effect, it is more lasting to compare traditional spring shock attenuation, solve the problem that tradition adopted spring shock attenuation to lead to spring fatigue performance to descend because of long-term operation easily.
And the upper surface of the bottom plate 4 is provided with six buffer mechanisms at equal intervals at two side positions of the shock absorption mechanism, the buffer mechanisms comprise a first connecting piece 8 and a second connecting piece 10, the first connecting piece 8 and the second connecting piece 10 are positioned at the same vertical line, the second connecting piece 10 is fixed at the lower surface of the support plate 6, the first connecting piece 8 is fixed at the lower surface of the bottom plate 4, the inner side of the first connecting piece 8 is rotatably connected with a first support rod 3, the inner side of the second connecting piece 10 is rotatably connected with a second support rod 13, the other end of the first support rod 3 is provided with a connecting groove 14 rotatably connected with the end part of the second support rod 13, the lower surface of the first support rod 3 is rotatably connected with a first air pressure rod 7 at the middle position, the upper surface of the first support rod 3 is provided with a movable cavity 15, a buffer spring 17 is fixed inside the movable cavity 15, and a buffer block 16 is slidably connected at one end position of, a second air pressure rod 12 is arranged at the middle position of the upper surface of the second support rod 13, the second support rod 13 is rotatably connected with the second air pressure rod 12 through a rotating part 11, the lower surface of the second support rod 13 is rotatably connected with a buffer rod 9 connected with a buffer block 16 at the middle position, two ends of the buffer rod 9 are rotatably connected with the buffer block 16 and the second support rod 13, the fixed end of the first air pressure rod 7 is fixedly connected with the upper surface of the bottom plate 4, the fixed end of the second air pressure rod 12 is fixedly connected with the lower surface of the support plate 6, the second support rod 13 is in a structure of 'long and short' with the first support rod 3, the included angles between the second air pressure rod 12 and the second support rod 13 as well as between the first air pressure rod 7 and the first support rod 3 are 45 degrees, in operation, the support plate 6 is continuously shaken up and down due to high-frequency vibration, the included angle between the first support rod 3 and the second support rod 13 is reduced in the process of, buffer beam 9 drives buffer block 16 and exerts pressure to buffer spring 17 this moment, and first bracing piece 3 and second bracing piece 13 drag first pneumatic rod 7 and second pneumatic rod 12 respectively simultaneously, and the cooperation of power is dragged in the reverse direction of tension and the pneumatic rod through buffer spring 17 for the shock attenuation effect is more steady, has increased stability.
The aperture of the opening of the movable cavity 15 is matched with the thickness of the buffer rod 9, and the aperture of the opening of the movable cavity 15 is smaller than the diameters of the buffer spring 17 and the buffer block 16, so that the buffer spring 17 and the buffer block 16 are convenient to limit, and the problem that the buffer spring 17 deforms and is extruded due to pressure application is avoided.
The both sides of buffer block 16 all are provided with the slip arch, and the inboard of activity chamber 15 corresponds the protruding position department of slip and offers the spout rather than the looks adaptation, can play spacing gliding effect to buffer block 16.
The adjustable limiting mechanism comprises a guide limiting rod 27 fixed with the lower surface of the supporting plate 6, one end of the guide limiting rod 27 penetrates through the bottom plate 4, a pipe thread 29 is arranged on the surface of one end, penetrating through the bottom plate 4, of the guide limiting rod 27, a spring 28 is sleeved at the position, located between the supporting plate 6 and the bottom plate 4, of the middle section of the guide limiting rod 27, a nut block 30 is screwed outside the pipe thread 29, a through hole is formed in the position, corresponding to the guide limiting rod 27, of the surface of the bottom plate 4, the inner diameter of the through hole is matched with the outer diameter of the guide limiting rod 27, the guide limiting rod 27 is connected with the through hole in a sliding mode, the outer diameter of the nut block 30 is larger than the inner diameter of the through hole, during adjustment, the nut block 30 is screwed to drive the bottom plate 4 to move upwards, the spring 28 is extruded after moving upwards, the tension of the spring is increased, the contained angle between two the same bracing pieces diminishes, and the buffering dynamics increases, and the distance between consequently bottom plate 4 and backup pad 6 has decided absorbing hardness, satisfies different vibration amplitude, can make the better steady of shock attenuation effect simultaneously through adjusting.
The bottom of bottom plate 4 is located one end position department and installs two and removes wheel 34, and the bottom of bottom plate 4 is located other end central line position department and installs directive wheel 35, drags when removing and moves handle 33 and can drive equipment through removing wheel 34 and remove, and directive wheel 35 is used for turning to, conveniently removes to work area, has reduced the removal degree of difficulty.
The working principle of the invention is as follows: firstly dragging the handle 33 to drive the equipment to move through the moving wheel 34, the steering wheel 35 is used for steering, the equipment is conveniently moved to a working area, the moving difficulty is reduced, secondly, when the equipment is moved to a bumpy road section, the air compressor body 1 drives the supporting plate 6 to move downwards due to the weight, the distance between the second neodymium magnet 20 and the first neodymium magnet 26 is gradually reduced in the moving downwards process, the S pole of the first neodymium magnet 26 is upward, the S pole of the first limiting ring 22 is downward, so the repulsive force between the first limiting ring and the first limiting ring is gradually increased until the repulsive force is counteracted, the damping effect is effectively improved, compared with the traditional spring damping, the damping effect is more durable, the problem that the traditional spring damping is easy to cause the reduction of the fatigue performance of the spring due to long-term operation is solved, further, in the work, the supporting plate 6 is vibrated up and down due to high-frequency vibration, in the moving downwards process, the, buffer bar 9 drives buffer block 16 and exerts pressure to buffer spring 17 this moment, first bracing piece 3 and second bracing piece 13 pull first pneumatic rod 7 and second pneumatic rod 12 respectively simultaneously, the cooperation of the tension through buffer spring 17 and the reverse power of pulling of pneumatic rod, make the shock attenuation effect more steady, stability has been increased, during the regulation, twist and move nut block 30 and drive bottom plate 4 and move up, push spring 28 after moving up, make its tension grow, simultaneously, the last removal of bottom plate 4 can make the distance between two neodymium magnets advance, thereby increase the repulsion force, contained angle between two the same bracing pieces diminishes, the buffering dynamics increases, consequently, distance between bottom plate 4 and backup pad 6 has decided the absorbing softness and hardness, satisfy different vibration amplitude, can make the better steady of shock attenuation effect simultaneously through adjusting.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A shock absorption type air compressor comprises an air compressor body (1) and is characterized in that a support (31) is fixedly welded at one end of the air compressor body (1), a supporting plate (6) is arranged below the air compressor body (1), fixing parts (2) are welded at two end positions below the air compressor body (1), the fixing parts (2) are fixedly connected with the supporting plate (6) through bolts, a handle (33) is arranged at one side of the support (31), the support (31) is fixedly connected with the handle (33) through two supporting rods (32), a bottom plate (4) is arranged below the supporting plate (6), the supporting plate (6) is connected with four corners of the bottom plate (4) through adjustable limiting mechanisms, a shock absorption mechanism connected with the bottom of the supporting plate (6) is arranged at a central line position of the upper surface of the bottom plate (4), and the upper surface of the bottom plate (4) is provided with six buffer mechanisms at equal intervals at the positions of two sides of the damping mechanism.
2. The shock absorption type air compressor according to claim 1, wherein the adjustable limiting mechanism comprises a guide limiting rod (27) fixed to the lower surface of the supporting plate (6), one end of the guide limiting rod (27) penetrates through the bottom plate (4) to be arranged, a pipe thread (29) is arranged on one end surface of the guide limiting rod (27) penetrating through the bottom plate (4), a spring (28) is sleeved at a position, located between the supporting plate (6) and the bottom plate (4), of the middle section of the guide limiting rod (27), and a nut block (30) is screwed outside the pipe thread (29).
3. The shock-absorbing air compressor according to claim 2, wherein a through hole is formed in the surface of the base plate (4) at a position corresponding to the guide limiting rod (27), the inner diameter of the through hole is matched with the outer diameter of the guide limiting rod (27), the guide limiting rod (27) is connected with the through hole in a sliding manner, and the outer diameter of the nut block (30) is larger than the inner diameter of the through hole.
4. The shock absorption type air compressor according to claim 1, wherein the shock absorption mechanism comprises a shock absorption upper plate (21) and a shock absorption lower plate (5), fixing lugs (24) are arranged on two sides of the shock absorption lower plate (5) and the shock absorption upper plate (21) at equal intervals, the shock absorption lower plate (5) and the shock absorption upper plate (21) are respectively fixed on the upper surface of the bottom plate (4) and the lower surface of the supporting plate (6) through the fixing lugs (24), second limiting rings (25) are uniformly distributed on the lower surface of the shock absorption upper plate (21) at equal intervals, guide rods (19) penetrating through the shock absorption lower plate (5) and the supporting plate (6) are fixed on the inner sides of the second limiting rings (25) at the central positions, first neodymium magnets (26) are welded and fixed inside the second limiting rings (25), and a limiting block (23) is fixed on one end of each guide rod (19) penetrating through the shock absorption lower plate (5) and the supporting plate (6), the position department that the upper surface of shock attenuation hypoplastron (5) corresponds second spacing ring (25) all sets up and is fixed with first spacing ring (22), the inside welding of first spacing ring (22) has second neodymium magnet (20), guiding hole (18) that supply it to pass have all been seted up in the position department that the surface of second neodymium magnet (20) and first neodymium magnet (26) corresponds guide arm (19).
5. The air compressor of claim 4, wherein the guide rod (19) is a titanium alloy member, the south pole of the first neodymium magnet (26) faces upward, and the south pole of the first retainer ring (22) faces downward.
6. The shock absorption type air compressor according to claim 1, wherein the buffer mechanism comprises a first connecting piece (8) and a second connecting piece (10), the first connecting piece (8) and the second connecting piece (10) are positioned at the same vertical line, the second connecting piece (10) is fixed on the lower surface of the support plate (6), the first connecting piece (8) is fixed on the lower surface of the bottom plate (4), the inner side of the first connecting piece (8) is rotatably connected with a first support rod (3), the inner side of the second connecting piece (10) is rotatably connected with a second support rod (13), the other end of the first support rod (3) is provided with a connecting groove (14) rotatably connected with the end of the second support rod (13), the lower surface of the first support rod (3) is rotatably connected with a first air compression rod (7) at the middle position, the upper surface of the first support rod (3) is provided with a movable cavity (15), the inside in activity chamber (15) is fixed with buffer spring (17), and the inside in activity chamber (15) is located the one end position sliding connection of buffer spring (17) and has buffer block (16), the upper surface of second bracing piece (13) is located middle part position department and is provided with second atmospheric pressure pole (12), and rotates through rotating piece (11) between second bracing piece (13) and second atmospheric pressure pole (12) and link to each other, the lower surface of second bracing piece (13) is located middle section position department and rotates buffer bar (9) of being connected with buffer block (16) and link to each other.
7. The shock absorption type air compressor according to claim 6, wherein the aperture of the opening of the movable cavity (15) is adapted to the thickness of the buffer rod (9), and the aperture of the opening of the movable cavity (15) is smaller than the diameters of the buffer spring (17) and the buffer block (16).
8. The shock absorption type air compressor according to claim 6, wherein sliding protrusions are arranged on both sides of the buffer block (16), and sliding grooves matched with the sliding protrusions are formed in the inner side of the movable cavity (15) corresponding to the sliding protrusions.
9. The shock absorption type air compressor as claimed in claim 1, wherein both ends of the buffer rod (9) are rotatably connected to the buffer block (16) and the second support rod (13), the fixed end of the first air pressure rod (7) is fixedly connected to the upper surface of the base plate (4), the fixed end of the second air pressure rod (12) is fixedly connected to the lower surface of the support plate (6), the second support rod (13) and the first support rod (3) form an ">" structure, and the second air pressure rod (12) and the second support rod (13) and the first air pressure rod (7) and the first support rod (3) form an included angle of 45 degrees.
10. The shock absorption type air compressor as claimed in claim 1, wherein the bottom of the base plate (4) is provided with two movable wheels (34) at one end position, and the bottom of the base plate (4) is provided with a steering wheel (35) at the other end position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911196157.5A CN110985340A (en) | 2019-11-29 | 2019-11-29 | Shock attenuation formula air compressor machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911196157.5A CN110985340A (en) | 2019-11-29 | 2019-11-29 | Shock attenuation formula air compressor machine |
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| CN110985340A true CN110985340A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911196157.5A Pending CN110985340A (en) | 2019-11-29 | 2019-11-29 | Shock attenuation formula air compressor machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111734561A (en) * | 2020-06-30 | 2020-10-02 | 盐城欢创科技有限公司 | Air filter for new energy automobile |
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Application publication date: 20200410 |
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| RJ01 | Rejection of invention patent application after publication |