CN212928121U - Noise reduction device of air compressor - Google Patents
Noise reduction device of air compressor Download PDFInfo
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- CN212928121U CN212928121U CN202021736178.XU CN202021736178U CN212928121U CN 212928121 U CN212928121 U CN 212928121U CN 202021736178 U CN202021736178 U CN 202021736178U CN 212928121 U CN212928121 U CN 212928121U
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- 230000009467 reduction Effects 0.000 title claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 229920000742 Cotton Polymers 0.000 claims abstract description 19
- 238000013016 damping Methods 0.000 claims abstract description 19
- 239000011521 glass Substances 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 19
- 238000010521 absorption reaction Methods 0.000 claims description 18
- 239000003063 flame retardant Substances 0.000 claims description 10
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052602 gypsum Inorganic materials 0.000 claims description 3
- 239000010440 gypsum Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000035939 shock Effects 0.000 abstract description 21
- 238000004519 manufacturing process Methods 0.000 abstract description 5
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- 238000000926 separation method Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 abstract description 2
- 238000004026 adhesive bonding Methods 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
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Abstract
The utility model provides an air compressor machine noise reduction device belongs to air compression equipment technical field. The noise reduction device of the air compressor comprises a noise reduction mechanism and a damping mechanism. Noise reduction mechanism includes box subassembly, chamber door, first spring and closing plate, the box subassembly includes the shell, inhales the cotton layer of sound, vacuum glass layer and sound insulation felt layer, inhale the cotton layer of sound connect in shell inner wall one side, vacuum glass layer install in inhale cotton layer one side of sound. The utility model discloses a shock pad, bolt, support, chamber door, first spring, closing plate, shell, second spring, inhale the effect on sound cotton layer, vacuum glass layer and sound-proof felt layer to reached the purpose of making an uproar of falling, the noise that piston, blade or screw rod among the air compressor produced can be weakened by the separation, can carry out the shock attenuation between air compressor and the contact plate, reduce the noise in workshop, workshop workman's mood is not influenced by the noise, and the improvement production efficiency reduces harm workman's healthy.
Description
Technical Field
The utility model relates to an air compression equipment field particularly, relates to an air compressor machine noise reduction device.
Background
The air compressor is a device used for compressing gas, the air compressor is similar to a water pump in structure, most of the air compressors are of a reciprocating piston type, and rotating blades or rotating screws can cause noise generated by the pistons, the blades or the screws when the air compressor is used, and meanwhile, the vibration between the air compressor and a contact plate can also generate noise, and the noise can not only cause a worker in a workshop to have a fidgety mood and reduce the production efficiency, but also can harm the health of the worker.
Accordingly, those skilled in the art have provided a noise reduction device for an air compressor to solve the above-mentioned problems of the prior art.
SUMMERY OF THE UTILITY MODEL
In order to compensate the above deficiency, the utility model provides an air compressor machine noise reduction device aims at improving the problem that air compressor can produce great noise when using.
The utility model discloses a realize like this:
the utility model provides an air compressor machine noise reduction device, including noise reduction mechanism and damper.
The noise reduction mechanism comprises a box body assembly, a box door, a first spring and a sealing plate, the box body assembly comprises a shell, a sound absorption cotton layer, a vacuum glass layer and a sound insulation felt layer, the sound absorption cotton layer is connected to one side of the inner wall of the shell, the vacuum glass layer is installed on one side of the sound absorption cotton layer, the sound insulation felt layer is connected to one side of the vacuum glass layer, the box door is hinged to one end of the shell, two ends of the first spring are respectively installed on one side of the sealing plate and the inner wall of the box door, the sealing plate extends into the shell, the sealing plate can move in the shell, the damping mechanism comprises a support, a buffer assembly, a second spring, a damping pad, a bolt, a connecting assembly and an air compressor body, the buffer assembly comprises a threaded rod and a butterfly nut, one end of, the second spring cup joint in the threaded rod surface, the threaded rod slide run through in the support, butterfly nut with threaded rod threaded connection, the shock pad install in support one side, the air compressor body set up in shock pad one side, coupling assembling connect in air compressor body week side, the bolt slide run through in coupling assembling, bolt threaded connection in support one side.
The utility model discloses an in the embodiment of an air compressor machine noise reduction device, the shell with be provided with the sealing washer between the chamber door.
The utility model discloses an in the embodiment of an air compressor machine noise reduction device, first through-hole has been seted up to the support internal surface, first through-hole sets up to four, first through-hole distribute in around the support, first through-hole with threaded rod clearance fit.
The utility model discloses an in the embodiment of an air compressor machine noise reduction device, the thread groove has been seted up to support one side, the thread groove with threaded rod threaded connection.
The utility model discloses an in the embodiment of an air compressor machine noise reduction device, coupling assembling includes flat board and packing ring, the dull and stereotyped connect in air compressor body week side, the packing ring set up in flat board one side, the second through-hole has been seted up to dull and stereotyped internal surface, bolt from the top down slide in proper order run through in the packing ring with the second through-hole.
The utility model discloses an in the embodiment of an air compressor machine noise reduction device, the sound insulation felt layer with the fire-retardant layer of fixedly connected with between the shell inner wall, fire-retardant layer is gypsum board layer.
The utility model discloses an in the embodiment of an air compressor machine noise reduction device, the box subassembly still includes outlet duct, intake pipe, filter screen and socket, the outlet duct with the intake pipe all communicate in the shell, the filter screen install in the intake pipe inner wall, the socket connect in shell one side.
The utility model discloses an in the embodiment of an air compressor machine noise reduction device, the outlet duct with the shape of intake pipe is the broken line type, the outlet duct with the inner wall of intake pipe is provided with porous sound absorbing material layer.
The utility model discloses an in the embodiment of an air compressor machine noise reduction device, chamber door one side fixedly connected with plug, the plug with the socket is pegged graft.
The utility model discloses an in the embodiment of an air compressor machine noise reduction device, chamber door one side fixedly connected with handle, the handle surface is provided with the rubber sleeve.
The utility model has the advantages that: the utility model discloses an air compressor machine noise reduction device who obtains through above-mentioned design, when using, place the air compressor body on the shock pad, then tighten up the bolt through the spanner, with the air compressor body fixed connection on the support, then close the chamber door, the elasticity of first spring can insert the closing plate in the shell, seal the opening part of shell, when the air compressor body is worked, when the vibrations that the air compressor body produced pass through the shock pad, the shock pad can reduce the air compressor body vibrations, reach the first order absorbing purpose, simultaneously the second spring is located between shell and the support, the second spring can reduce the vibrations that the air compressor body drove the support and produced, reached the second order absorbing purpose, thereby reduce the production of noise from the sound source, fall the noise, inhale the cotton layer simultaneously, vacuum glass layer and sound-proof felt layer can weaken the ability that the noise passed the shell, the noise that the reduction passed the shell to reached and fallen the purpose of making an uproar, the noise that piston, blade or screw rod among the air compressor produced can be weakened by the separation, can carry out the shock attenuation between air compressor and the contact plate, reduces the noise in workshop, and workshop workman's mood is not influenced by the noise, improves production efficiency, and it is healthy to reduce harm workman.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a noise reduction device of an air compressor provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of a noise reduction mechanism according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a box assembly according to an embodiment of the present invention;
fig. 4 is an enlarged schematic structural diagram of a position a provided in the embodiment of the present invention;
fig. 5 is a schematic structural view of a damping mechanism according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a buffer assembly according to an embodiment of the present invention;
fig. 7 is a schematic view of a connecting assembly structure provided by an embodiment of the present invention.
In the figure: 10-a noise reduction mechanism; 110-a box assembly; 111-a housing; 112-sound absorbing cotton layer; 113-vacuum glass layer; 114-an acoustic felt layer; 115-a flame retardant layer; 116-an outlet duct; 117-inlet duct; 118-a filter screen; 119-a socket; 120-a box door; 130-a first spring; 140-a sealing plate; 150-a handle; 160-plug; 20-a shock absorbing mechanism; 210-a scaffold; 220-a buffer assembly; 221-threaded rod; 222-wing nuts; 230-a second spring; 240-shock pad; 250-bolts; 260-a connecting assembly; 261-plate; 262-a washer; 263-second via; 270-a first via; 280-thread groove; 290-air compressor body.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1, the present invention provides a noise reduction device for an air compressor, which includes a noise reduction mechanism 10 and a damping mechanism 20.
The damping mechanism 20 is fixedly connected inside the noise reduction mechanism 10, the noise reduction mechanism 10 is used for reducing the transmission of noise, and the damping mechanism 20 is used for damping and reducing the generation of noise.
Referring to fig. 1, 2, 3 and 4, the noise reduction mechanism 10 includes a box assembly 110, a door 120, a first spring 130 and a sealing plate 140, the box assembly 110 includes a housing 111, a sound absorption cotton layer 112, a vacuum glass layer 113 and a sound insulation felt layer 114, the sound absorption cotton layer 112 is connected to one side of an inner wall of the housing 111, specifically, the sound absorption cotton layer 112 is fixedly connected to one side of an inner wall of the housing 111 by adhesive bonding, the vacuum glass layer 113 is installed to one side of the sound absorption cotton layer 112, specifically, the vacuum glass layer 113 is fixedly installed to one side of the sound absorption cotton layer 112 by adhesive bonding, the sound insulation felt layer 114 is connected to one side of the vacuum glass layer 113, specifically, the sound insulation felt layer 114 is fixedly connected to one side of the vacuum glass layer 113 by adhesive bonding, the door 120 is hinged to one end of the housing 111, two ends of the first spring 130 are respectively installed to one side of the sealing plate 140 and an inner wall, the sealing plate 140 is a rubber plate, the sealing plate 140 extends into the outer shell 111, the sealing plate 140 can move in the outer shell 111, the sound absorbing cotton layer 112, the vacuum glass layer 113 and the sound insulation felt layer 114 are used for blocking noise from transmitting to the air through the outer shell 111, so that noise is reduced, and the elastic force of the first spring 130 is used for enabling the sealing plate 140 to seal the opening of the outer shell 111, so that noise transmission is reduced.
In some specific embodiments, a sealing ring is disposed between the casing 111 and the door 120, a flame retardant layer 115 is fixedly connected between the sound-proof felt layer 114 and the inner wall of the casing 111, specifically, the flame retardant layer 115 is fixedly connected between the sound-proof felt layer 114 and the inner wall of the casing 111 by gluing, the flame retardant layer 115 is a gypsum board layer, the box assembly 110 further includes an air outlet pipe 116, an air inlet pipe 117, a filter screen 118 and a socket 119, the air outlet pipe 116 and the air inlet pipe 117 are both communicated with the casing 111, the filter screen 118 is mounted on the inner wall of the air inlet pipe 117, specifically, the filter screen 118 is fixedly mounted on the inner wall of the air inlet pipe 117 by gluing, the socket 119 is connected to one side of the casing 111, specifically, the socket 119 is fixedly connected to one side of the casing 111 by welding, the air outlet pipe 116 and the air inlet, specifically, door 120 one side is through welded fixedly connected with plug 160, plug 160 pegs graft with socket 119, door 120 one side fixedly connected with handle 150, specifically, door 120 one side is through welded fixedly connected with handle 150, the handle 150 surface is provided with the rubber sleeve, fire-retardant layer 115 is used for preventing fires fire-retardant, outlet duct 116 and intake duct 117 are used for air compressor body 290 and external intercommunication, filter screen 118 is arranged in the dust of filtered air, plug 160 and socket 119 are used for fixed door 120 and shell 111, avoid door 120 and shell 111 to turn over.
Referring to fig. 1, 3, 5, and 6, the damping mechanism 20 includes a bracket 210, a buffering assembly 220, a second spring 230, a damping pad 240, a bolt 250, a connecting assembly 260, and an air compressor body 290, where the buffering assembly 220 includes a threaded rod 221 and a wing nut 222, one end of the threaded rod 221 is connected to an inner wall of the housing 111, specifically, one end of the threaded rod 221 is fixedly connected to the inner wall of the housing 111 by welding, the second spring 230 is sleeved on an outer surface of the threaded rod 221, the threaded rod 221 is slidably inserted through the bracket 210, the wing nut 222 is in threaded connection with the threaded rod 221, the damping pad 240 is installed on one side of the bracket 210, specifically, the damping pad 240 is fixedly installed on one side of the bracket 210 by gluing, the damping pad 240 is a rubber pad, the air compressor body 290 is installed on one side of the damping pad, the bolt 250 is in threaded connection with one side of the bracket 210, the shock absorption pad 240 is used for absorbing shock of the air compressor body 290 in a first stage, the butterfly nut 222 is used for connecting the bracket 210 to the second spring 230 and the threaded rod 221 and absorbing shock of the air compressor body 290 in a second stage, and the bolt 250 is used for fixing the air compressor body 290 on the bracket 210.
In some specific embodiments, the inner surface of the bracket 210 is provided with four first through holes 270, the first through holes 270 are distributed around the bracket 210, the first through holes 270 are in clearance fit with the threaded rod 221, one side of the bracket 210 is provided with a threaded groove 280, and the threaded groove 280 is in threaded connection with the threaded rod 221.
Referring to fig. 5 and 7, the connecting assembly 260 includes a flat plate 261 and a washer 262, the flat plate 261 is connected to the periphery of the air compressor body 290, specifically, the flat plate 261 is fixedly connected to the periphery of the air compressor body 290 by welding, the washer 262 is disposed on one side of the flat plate 261, a second through hole 263 is disposed on the inner surface of the flat plate 261, the bolt 250 sequentially penetrates through the washer 262 and the second through hole 263 in a sliding manner from top to bottom, and the washer 262 is used for buffering the flat plate 261 and the bolt 250, protecting the connection between the flat plate 261 and the bolt 250, and reducing wear.
The working principle of the air compressor noise reduction device is as follows: when the air compressor is used, the air compressor body 290 is placed on the shock absorption pad 240, the bolt 250 is screwed through a wrench, the air compressor body 290 is fixedly connected to the bracket 210, the box door 120 is closed, the sealing plate 140 is inserted into the shell 111 through the elastic force of the first spring 130, the opening of the shell 111 is sealed, when the air compressor body 290 works, the shock absorption pad 240 can reduce the shock of the air compressor body 290 when the shock generated by the air compressor body 290 passes through the shock absorption pad 240, so that the first-stage shock absorption purpose is achieved, meanwhile, the second spring 230 is positioned between the shell 111 and the bracket 210, the second spring 230 can reduce the shock generated by the compressor body 290 driving the bracket 210, so that the second-stage shock absorption purpose is achieved, the noise is reduced from a sound source, the noise is reduced, and simultaneously, the sound absorption cotton layer 112, the vacuum glass layer 113 and the sound insulation felt layer 114 can weaken the noise passing through the shell, the noise passing through the shell 111 is reduced, so that the purpose of noise reduction is achieved, the noise generated by a piston, a blade or a screw in the air compressor can be weakened by separation, the shock absorption can be carried out between the air compressor and the contact plate, the noise of a workshop is reduced, the emotion of workers in the workshop is not influenced by the noise, the production efficiency is improved, and the harm to the health of the workers is reduced.
It should be noted that the specific model specification of the air compressor body 290 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.
The power supply of the air compressor body 290 and its principles will be apparent to those skilled in the art and will not be described in detail herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An air compressor noise reduction device is characterized by comprising
A noise reduction mechanism (10), the noise reduction mechanism (10) including a case assembly (110), a door (120), a first spring (130), and a sealing plate (140), the box body component (110) comprises a shell (111), a sound absorption cotton layer (112), a vacuum glass layer (113) and an acoustic felt layer (114), the sound-absorbing cotton layer (112) is connected to one side of the inner wall of the shell (111), the vacuum glass layer (113) is arranged on one side of the sound-absorbing cotton layer (112), the sound insulation felt layer (114) is connected to one side of the vacuum glass layer (113), the box door (120) is hinged with one end of the outer shell (111), two ends of the first spring (130) are respectively arranged on one side of the sealing plate (140) and the inner wall of the box door (120), the sealing plate (140) extends into the housing (111), the sealing plate (140) being movable within the housing (111);
the damping mechanism (20), the damping mechanism (20) comprises a support (210), a buffer component (220), a second spring (230), a damping pad (240), a bolt (250), a connecting component (260) and an air compressor body (290), the buffer component (220) comprises a threaded rod (221) and a butterfly nut (222), one end of the threaded rod (221) is connected to the inner wall of the shell (111), the second spring (230) is sleeved on the outer surface of the threaded rod (221), the threaded rod (221) penetrates through the support (210) in a sliding mode, the butterfly nut (222) is in threaded connection with the threaded rod (221), the damping pad (240) is installed on one side of the support (210), the air compressor body (290) is arranged on one side of the damping pad (240), and the connecting component (260) is connected to the peripheral side of the air compressor body (290), the bolt (250) penetrates through the connecting component (260) in a sliding mode, and the bolt (250) is connected to one side of the bracket (210) in a threaded mode.
2. The air compressor noise reduction device according to claim 1, wherein a sealing ring is disposed between the casing (111) and the box door (120).
3. The noise reduction device of the air compressor as claimed in claim 1, wherein the inner surface of the bracket (210) is provided with four first through holes (270), the first through holes (270) are distributed around the bracket (210), and the first through holes (270) are in clearance fit with the threaded rods (221).
4. The air compressor noise reduction device as claimed in claim 1, wherein a screw groove (280) is formed at one side of the bracket (210), and the screw groove (280) is in threaded connection with the threaded rod (221).
5. The air compressor noise reduction device according to claim 1, wherein the connection assembly (260) includes a plate (261) and a washer (262), the plate (261) is connected to the periphery of the air compressor body (290), the washer (262) is disposed on one side of the plate (261), a second through hole (263) is opened on the inner surface of the plate (261), and the bolt (250) sequentially slides through the washer (262) and the second through hole (263) from top to bottom.
6. The air compressor noise reduction device according to claim 1, wherein a flame retardant layer (115) is fixedly connected between the sound insulation felt layer (114) and the inner wall of the shell (111), and the flame retardant layer (115) is a gypsum board layer.
7. The air compressor noise reduction device according to claim 1, wherein the box assembly (110) further comprises an air outlet pipe (116), an air inlet pipe (117), a filter screen (118) and a socket (119), the air outlet pipe (116) and the air inlet pipe (117) are both communicated with the shell (111), the filter screen (118) is mounted on the inner wall of the air inlet pipe (117), and the socket (119) is connected to one side of the shell (111).
8. The noise reduction device of the air compressor as claimed in claim 7, wherein the outlet duct (116) and the inlet duct (117) are both in the shape of a broken line, and the inner walls of the outlet duct (116) and the inlet duct (117) are provided with a porous sound absorption material layer.
9. The air compressor noise reduction device as claimed in claim 7, wherein a plug (160) is fixedly connected to one side of the box door (120), and the plug (160) is inserted into the socket (119).
10. The noise reduction device of the air compressor as claimed in claim 1, wherein a handle (150) is fixedly connected to one side of the box door (120), and a rubber sleeve is arranged on the outer surface of the handle (150).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021736178.XU CN212928121U (en) | 2020-08-18 | 2020-08-18 | Noise reduction device of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021736178.XU CN212928121U (en) | 2020-08-18 | 2020-08-18 | Noise reduction device of air compressor |
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| Publication Number | Publication Date |
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| CN212928121U true CN212928121U (en) | 2021-04-09 |
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| CN202021736178.XU Active CN212928121U (en) | 2020-08-18 | 2020-08-18 | Noise reduction device of air compressor |
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| CN (1) | CN212928121U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113410778A (en) * | 2021-07-06 | 2021-09-17 | 郑州通源电气有限公司 | Environment-friendly multifunctional high-voltage power distribution cabinet |
| CN114719010A (en) * | 2022-04-29 | 2022-07-08 | 安徽美安密封件股份有限公司 | Gearbox oil seal |
| CN114876785A (en) * | 2022-05-23 | 2022-08-09 | 嵊州市新起点焊接科技有限公司 | Compressor amortization package subassembly |
-
2020
- 2020-08-18 CN CN202021736178.XU patent/CN212928121U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113410778A (en) * | 2021-07-06 | 2021-09-17 | 郑州通源电气有限公司 | Environment-friendly multifunctional high-voltage power distribution cabinet |
| CN113410778B (en) * | 2021-07-06 | 2024-01-30 | 郑州通源电气有限公司 | Environment-friendly multifunctional high-voltage power distribution cabinet |
| CN114719010A (en) * | 2022-04-29 | 2022-07-08 | 安徽美安密封件股份有限公司 | Gearbox oil seal |
| CN114876785A (en) * | 2022-05-23 | 2022-08-09 | 嵊州市新起点焊接科技有限公司 | Compressor amortization package subassembly |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |