CN116336042A - Pre-pressing type hydraulic air filter - Google Patents
Pre-pressing type hydraulic air filter Download PDFInfo
- Publication number
- CN116336042A CN116336042A CN202310331254.0A CN202310331254A CN116336042A CN 116336042 A CN116336042 A CN 116336042A CN 202310331254 A CN202310331254 A CN 202310331254A CN 116336042 A CN116336042 A CN 116336042A
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- spring
- base
- fixedly connected
- sliding
- upper cover
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 19
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 230000006978 adaptation Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 description 10
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the technical field of air filters, in particular to a pre-pressing type hydraulic air filter which comprises a base, an upper cover, a filter element, an air inlet mechanism and an air exhaust mechanism, wherein the air inlet mechanism comprises a frame body, a bidirectional screw rod, two bushes, two connecting blocks, a mandrel, a first spring, a spring seat and a valve element, the base is provided with a through hole and a limiting groove, the frame body is arranged on the upper cover, one end of the bidirectional screw rod is inserted into the frame body, the two bushes are in threaded fit with the bidirectional screw rod, one ends of the two connecting blocks are respectively hinged with the corresponding bushes, the other ends of the two connecting blocks are hinged with the mandrel, one end of the mandrel sequentially penetrates through the upper cover, the filter element, the base and the valve element and is fixedly connected with the spring seat, one end of the first spring is fixedly connected with the spring seat, the other end of the first spring is fixedly connected with the valve element is matched with the limiting groove, and the air exhaust mechanism is arranged on the base.
Description
Technical Field
The invention relates to the technical field of air filters, in particular to a pre-pressing type hydraulic air filter.
Background
In the working process of the engineering machinery, the oil absorption of the hydraulic pump can lead to the reduction of the internal pressure of the oil tank, in order to keep the internal air pressure balance of the oil tank, the oil tank is generally communicated with the atmosphere by adopting an air filter, and the inside of the oil tank can be kept at a certain pressure by the pre-pressing type air filter, and the pressure is higher than the atmospheric pressure, so that the oil absorption condition of the pump is improved, and the pre-pressing type air filter widely adopted in the industry at present basically adopts bidirectional conduction, namely the air inlet and the air outlet of the air filter are in the same channel.
The existing pre-pressing type air filter can keep certain pressure in the oil tank, and the pressure is higher than the atmospheric pressure, so that the oil suction condition of the pump is improved, but the air inlet pressure of the air filter is inconvenient to adjust, and the practicability is poor.
Disclosure of Invention
The invention aims to provide a pre-pressing type hydraulic air filter, which aims to solve the technical problems that the prior pre-pressing type air filter in the prior art can keep certain pressure in an oil tank, and the pressure is higher than the atmospheric pressure, so that the oil absorption condition of a pump is improved, but the air inlet pressure of the air filter is inconvenient to adjust, and the practicability is poor.
In order to achieve the above purpose, the pre-pressing type hydraulic air filter comprises a base, an upper cover, a filter element, an air inlet mechanism and an air exhaust mechanism, wherein the upper cover is connected with the base, the filter element is arranged between the base and the upper cover through a rubber pad, the air inlet mechanism comprises a frame body, a bidirectional screw rod, two bushings, two connecting blocks, a mandrel, a first spring, a spring seat and a valve core, the base is provided with a through hole and a limiting groove, the frame body is arranged on the upper cover, one end of the bidirectional screw rod is inserted into the frame body, two bushings are in threaded fit with the bidirectional screw rod, one ends of the two connecting blocks are hinged with the corresponding bushings respectively, the other ends of the two connecting blocks are hinged with the mandrel, one end of the mandrel sequentially penetrates through the upper cover, the filter element, the base and the valve core and are fixedly connected with the spring seat, one end of the first spring is fixedly connected with the spring seat, the other end of the first spring is fixedly connected with the valve core, the two bushings are matched with the two bushings, and the valve core is arranged on the limiting mechanism.
The exhaust mechanism comprises an exhaust pipe, a ring block, a second spring and a supporting valve, wherein the exhaust pipe is communicated with the base, a supporting groove is formed in the exhaust pipe, the ring block is fixedly connected with the exhaust pipe, one end of the second spring is fixedly connected with the ring block, the other end of the second spring is fixedly connected with the supporting valve, and the supporting valve is matched with the supporting groove.
The air inlet mechanism further comprises a screwing piece, and the screwing piece is fixedly connected with one end, far away from the frame body, of the bidirectional screw rod.
The air inlet mechanism further comprises a sheath, wherein the sheath is adhered to the screwing piece and sleeved on the outer wall of the screwing piece.
The prepressing type hydraulic air filter further comprises a stabilizing component, and the stabilizing component is arranged on the frame body.
The stabilizing assembly comprises two sliding blocks, a sleeve rod and a sliding rod, wherein the frame body is provided with a sliding groove, the two sliding blocks are respectively and fixedly connected with the corresponding bushings, the two sliding blocks are respectively and slidably connected with the sliding grooves, one end of the sleeve rod is fixedly connected with one sliding block, the other end of the sleeve rod is sleeved with the sliding rod, and one end of the sliding rod far away from the sleeve rod is fixedly connected with the other sliding block.
Wherein, stable subassembly still includes the guard piece, the guard piece sets up the dabber is kept away from the one end of spring holder.
According to the pre-pressing type hydraulic air filter disclosed by the invention, through the arrangement of the air inlet mechanism, the base is provided with the through hole, when the air inlet pressure of the pre-pressing type hydraulic air filter needs to be regulated, only the bidirectional screw rod is required to be screwed, the bidirectional screw rod drives the two bushings to move relatively or oppositely while rotating, the two bushings drive one ends of the two connecting blocks to rotate on the corresponding bushings respectively while moving relatively or oppositely, the other ends of the two connecting blocks are driven to rotate on the mandrel, the two connecting blocks drive the mandrel to move upwards or downwards while rotating, the mandrel drives the spring seat to move upwards or downwards, and the spring seat drives the corresponding extension or shortening of the first spring, so that the pressure of the first spring is regulated, the air inlet pressure of the pre-pressing type hydraulic air filter is regulated, after the air in the oil tank is lower than a certain external atmospheric pressure value, the air is filtered by the filter core, the air pressure acts on the corresponding bushings through the through hole, and is larger than the first spring, the pre-pressing spring is driven to move upwards or downwards, and the air inlet valve core can be opened in a pre-pressing type air filter, and the air filter can be conveniently moved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a front view of a first embodiment of the present invention.
Fig. 2 is a side view of a first embodiment of the invention.
Fig. 3 is a schematic view of the internal structure of the first embodiment of the present invention.
Fig. 4 is a schematic internal structure of a second embodiment of the present invention.
Fig. 5 is a schematic view of the internal structure of a third embodiment of the present invention.
Fig. 6 is a schematic structural view of a fourth embodiment of the present invention.
101-base, 102-upper cover, 103-filter cartridge, 104-frame, 105-bi-directional screw, 106-bushing, 107-connecting block, 108-spindle, 109-first spring, 110-spring seat, 111-valve cartridge, 112-screw, 113-sheath, 114-exhaust tube, 115-ring block, 116-second spring, 117-holding valve, 118-rubber pad, 119-through hole, 120-limit slot, 121-holding slot, 201-slider, 202-stem, 203-slide bar, 204-guard, 205-slide slot, 301-exhaust screw, 302-stem, 303-groove, 401-placing pad, 402-pressing pad, 403-covering piece.
Detailed Description
First embodiment:
referring to fig. 1 to 3, fig. 1 is a front view of a first embodiment of the present invention, fig. 2 is a side view of the first embodiment of the present invention, and fig. 3 is a schematic view of an internal structure of the first embodiment of the present invention.
The invention provides a pre-pressing type hydraulic air filter, which comprises: the air inlet mechanism comprises a frame 104, a bidirectional screw 105, two bushings 106, two connecting blocks 107, a mandrel 108, a first spring 109, a spring seat 110, a valve core 111, a screwing piece 112 and a sheath 113, and the air exhaust mechanism comprises an exhaust pipe 114, a ring block 115, a second spring 116 and a holding valve 117.
For this embodiment, the upper cover 102 is connected to the base 101, the filter element 103 is disposed between the base 101 and the upper cover 102 through a rubber pad 118, and the filter element 103 is used for filtering external gas.
Wherein the base 101 is provided with a through hole 119 and a limit groove 120, the frame 104 is disposed on the upper cover 102, one end of the bidirectional screw 105 is inserted into the frame 104, two bushings 106 are in threaded fit with the bidirectional screw 105, one ends of two connecting blocks 107 are respectively hinged with the corresponding bushings 106, the other ends of the two connecting blocks 107 are hinged with the mandrel 108, one end of the mandrel 108 sequentially penetrates through the upper cover 102, the filter element 103, the base 101 and the valve core 111 and is fixedly connected with the spring seat 110, one end of the first spring 109 is fixedly connected with the spring seat 110, the other end of the first spring 109 is fixedly connected with the valve core 111, the valve core 111 is matched with the limit groove 120, the exhaust mechanism is disposed on the base 101 and is provided with the air inlet mechanism, when the air intake pressure of the pre-compression type hydraulic air filter needs to be regulated, the two-way screw 105 is only required to be screwed, the two bushings 106 are driven to move relatively or oppositely while rotating, the two bushings 106 are driven to rotate on the corresponding bushings 106 while moving relatively or oppositely, one ends of the two connecting blocks 107 are driven to rotate on the corresponding bushings 106, the other ends of the two connecting blocks 107 are driven to rotate on the mandrel 108, the two connecting blocks 107 are driven to move upwards or downwards while rotating, the mandrel 108 is driven to move upwards or downwards while moving upwards or downwards, the spring seat 110 is driven to move correspondingly the spring seat 110, so that the pressure of the first spring 109 is regulated, the air intake pressure of the pre-compression type hydraulic air filter is regulated, and when the internal air pressure of the oil tank is lower than the external atmospheric pressure by a certain value, the external air is filtered by the filter element 103, the air pressure acts on the valve core 111 through the through hole 119 and is larger than the pretightening force of the first spring 109, the valve core 111 is driven to move, the valve core 111 is opened, the air enters the oil tank, and the air suction process is finished, so that the air suction pressure of the pretightening type hydraulic air filter can be more conveniently regulated.
Secondly, the exhaust pipe 114 is communicated with the base 101, a supporting groove 121 is formed in the exhaust pipe 114, the ring block 115 is fixedly connected with the exhaust pipe 114, one end of the second spring 116 is fixedly connected with the ring block 115, the other end of the second spring 116 is fixedly connected with the supporting valve 117, the supporting valve 117 is matched with the supporting groove 121, through the arrangement of the exhaust mechanism, when the internal air pressure of the oil tank is higher than the expansion force of the second spring 116, the air in the oil tank pushes the supporting valve 117 to move, and the supporting valve 117 drives the second spring 116 to shrink, so that the supporting valve 117 is in an open state, and the air is discharged through the exhaust pipe 114.
Meanwhile, the screwing piece 112 is fixedly connected with one end, far away from the frame 104, of the bidirectional screw 105, and the bidirectional screw 105 can be screwed more conveniently by arranging the screwing piece 112.
In addition, the sheath 113 is adhered to the screwing member 112 and is sleeved on the outer wall of the screwing member 112, and by providing the sheath 113, an anti-slip effect can be achieved between the hand and the screwing member 112.
By arranging the air inlet mechanism, when the air inlet pressure of the pre-compression hydraulic air filter needs to be regulated, only the bidirectional screw 105 needs to be screwed, the bidirectional screw 105 drives the two bushings 106 to move relatively or oppositely while rotating, the two bushings 106 drive one ends of the two connecting blocks 107 to rotate on the corresponding bushings 106 respectively while moving relatively or oppositely, the other ends of the two connecting blocks 107 are driven to rotate on the mandrel 108, the two connecting blocks 107 drive the mandrel 108 to move upwards or downwards while rotating, the mandrel 108 drives the spring seat 110 to move while moving upwards or downwards, the spring seat 110 drives the corresponding extension or shortening of the first spring 109, so that the pressure of the first spring 109 is regulated, when the internal air pressure of the oil tank is lower than the external atmospheric pressure by a certain value, the external air is filtered by the filter element 103, the air pressure acts on the valve core 111 through the through hole 119 and is larger than the pretightening force of the first spring 109, the valve core 111 is driven to move, the valve core 111 is opened, the air enters the oil tank to complete the air suction process, the air inlet pressure of the pre-pressing type hydraulic air filter can be more conveniently regulated in this way, when the internal air pressure of the oil tank is higher than the expansion force of the second spring 116 through the arrangement of the air exhaust mechanism, the air in the oil tank pushes the abutting valve 117 to move, the abutting valve 117 drives the second spring 116 to contract, the abutting valve 117 is in an open state, the air is discharged through the exhaust pipe 114, by providing the screwing member 112, the bi-directional screw 105 can be screwed more conveniently by completing the air discharging process.
Second embodiment:
referring to fig. 4 on the basis of the first embodiment, fig. 4 is a schematic internal structure of a second embodiment of the present invention.
The invention provides a pre-pressing type hydraulic air filter which further comprises a stabilizing component, wherein the stabilizing component comprises two sliding blocks 201, a sleeve rod 202, a sliding rod 203 and a protective piece 204.
For this embodiment, the stabilizing component is disposed on the frame 104, and by disposing the stabilizing component, stability of the mandrel 108 may be improved.
The frame 104 is provided with a sliding groove 205, two sliding blocks 201 are respectively and fixedly connected with corresponding bushings 106, the two sliding blocks 201 are both in sliding connection with the sliding groove 205, one end of a sleeve rod 202 is fixedly connected with one sliding block 201, the other end of the sleeve rod 202 is sleeved with the sliding rod 203, one end of the sliding rod 203, which is far away from the sleeve rod 202, is fixedly connected with the other sliding block 201, when the two bushings 106 move, the two bushings 106 drive the two sliding blocks 201 to slide in opposite directions or relatively in the sliding groove 205, and the two sliding blocks 201 drive the sliding rod 203 to slide in the sleeve rod 202 while sliding in the sliding groove 205, so that the stability of the two bushings 106 can be improved, and the stability of the mandrel 108 is indirectly improved.
Second, the guard 204 is disposed at an end of the stem 108 remote from the spring seat 110, and by providing the guard 204, the stem 108 is prevented from contacting the bi-directional screw 105.
When the two bushings 106 move, the two bushings 106 drive the two sliding blocks 201 to slide in the sliding groove 205 in opposite directions or in opposite directions, and the two sliding blocks 201 drive the sliding rod 203 to slide in the sleeve rod 202 while sliding in the sliding groove 205, so that the stability of the two bushings 106 can be improved, the stability of the mandrel 108 is indirectly improved, and the contact of the mandrel 108 to the bidirectional screw 105 can be prevented by arranging the protecting piece 204.
Third embodiment:
referring to fig. 5 on the basis of the second embodiment, fig. 5 is a schematic internal structure of a third embodiment of the present invention.
The invention provides a pre-pressing type hydraulic air filter which further comprises an exhaust screw 301 and a support block 302.
For the present embodiment, the exhaust screw 301 is adapted to the exhaust pipe 114, and by providing the exhaust screw 301, when the pre-pressing hydraulic air cleaner needs to be overhauled, the exhaust screw 301 can be unscrewed to exhaust the compressed air in the oil tank.
The base 101 is provided with a groove 303, the supporting block 302 is fixedly connected with the spring seat 110, and the supporting block 302 is slidably connected with the groove 303, by setting the supporting block 302, when the spring seat 110 moves, the spring seat 110 drives the supporting block 302 to slide in the groove 303, so that the stability of the spring seat 110 can be improved.
When the pre-pressing hydraulic air filter is required to be overhauled, the exhaust screw 301 can be unscrewed to exhaust compressed air in the oil tank, and the support block 302 is arranged, so that when the spring seat 110 moves, the spring seat 110 drives the support block 302 to slide in the groove 303, and the stability of the spring seat 110 can be improved.
Fourth embodiment:
referring to fig. 6 on the basis of the first embodiment, fig. 6 is a schematic structural diagram of a fourth embodiment of the present invention.
The invention provides a pre-compression hydraulic air cleaner further comprising a protective assembly comprising a placement pad 401, a compression pad 402 and a cover 403.
For this embodiment, the placement pad 401 is disposed below the base 101, the pressing pad 402 is also disposed on the base 101, by setting the placement pad 401, when the installation is not performed, the placement pad 401 can prevent the base 101 from directly contacting with the ground, so as to protect the base 101, the pressing pad 402 is matched with the placement pad 401, so that the base 101 can be picked up more conveniently, and the placement pad 401 and the pressing pad 402 can be removed during the installation.
The cover 403 is provided on the exhaust pipe 114, and the cover 403 is provided to protect the exhaust pipe 114, so that the cover may be removed when the cover is attached.
Use a pre-compaction formula hydraulic pressure air cleaner of this embodiment, through setting up place pad 401, when not installing, place pad 401 can prevent the base is direct with ground contact, is right the base protects, press pad 402 with place pad 401 cooperation can more conveniently pick up the base, will place pad 401 with press pad 402 take off can, through setting up lid 403, can be right the blast pipe protects, takes off it during the installation can.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present invention.
Claims (7)
1. The pre-pressing type hydraulic air filter comprises a base, an upper cover and a filter element, wherein the upper cover is connected with the base, the filter element is arranged between the base and the upper cover through a rubber pad,
the device also comprises an air inlet mechanism and an exhaust mechanism;
the utility model provides an air inlet mechanism, including framework, two-way screw rod, two bushes, two connecting blocks, dabber, first spring, spring holder and case, the base is provided with through-hole and spacing groove, the framework sets up on the upper cover, two the one end of two-way screw rod inserts to in the framework, two the bush all with two-way screw rod screw-thread fit, two the one end of connecting block respectively with corresponding bush articulates, two the other end of connecting block all with the dabber articulates, the one end of dabber runs through in proper order upper cover the filter core the base with the case, and with spring holder fixed connection, the one end of first spring with spring holder fixed connection, the other end of first spring with case fixed connection, the case with the spacing groove adaptation, exhaust mechanism sets up on the base.
2. The preloaded hydraulic air cleaner of claim 1, wherein,
the exhaust mechanism comprises an exhaust pipe, a ring block, a second spring and a supporting valve, wherein the exhaust pipe is communicated with the base, a supporting groove is formed in the exhaust pipe, the ring block is fixedly connected with the exhaust pipe, one end of the second spring is fixedly connected with the ring block, the other end of the second spring is fixedly connected with the supporting valve, and the supporting valve is matched with the supporting groove.
3. A pre-pressurized hydraulic air cleaner according to claim 2,
the air inlet mechanism further comprises a screwing piece, and the screwing piece is fixedly connected with one end, far away from the frame body, of the bidirectional screw rod.
4. A preloaded hydraulic air cleaner as claimed in claim 3, characterized in that,
the air inlet mechanism further comprises a sheath, wherein the sheath is adhered to the screwing piece and sleeved on the outer wall of the screwing piece.
5. The preloaded hydraulic air cleaner of claim 4, wherein,
the pre-pressing type hydraulic air filter further comprises a stabilizing component, and the stabilizing component is arranged on the frame body.
6. The preloaded hydraulic air cleaner of claim 5,
the stabilizing assembly comprises two sliding blocks, a loop bar and a sliding bar, wherein the frame body is provided with a sliding groove, the two sliding blocks are respectively and fixedly connected with the corresponding bushings, the two sliding blocks are respectively and slidably connected with the sliding groove, one end of the loop bar is fixedly connected with one sliding block, the other end of the loop bar is sleeved with the sliding bar, and one end of the sliding bar far away from the loop bar is fixedly connected with the other sliding block.
7. The preloaded hydraulic air cleaner of claim 6, wherein,
the stabilizing assembly further includes a guard disposed at an end of the mandrel remote from the spring seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310331254.0A CN116336042A (en) | 2023-03-31 | 2023-03-31 | Pre-pressing type hydraulic air filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310331254.0A CN116336042A (en) | 2023-03-31 | 2023-03-31 | Pre-pressing type hydraulic air filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116336042A true CN116336042A (en) | 2023-06-27 |
Family
ID=86883780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310331254.0A Pending CN116336042A (en) | 2023-03-31 | 2023-03-31 | Pre-pressing type hydraulic air filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116336042A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050116178A (en) * | 2004-06-07 | 2005-12-12 | 권영현 | Dust exclusion apparatus of air filter for air cleaner |
| KR100758995B1 (en) * | 2006-07-11 | 2007-09-19 | 조규성 | Water control valve system |
| CN203979010U (en) * | 2014-07-01 | 2014-12-03 | 徐工集团工程机械股份有限公司 | The integrated pre-compressed air cleaner of a kind of way flow flow-through |
| CN204003798U (en) * | 2014-05-28 | 2014-12-10 | 徐工集团工程机械股份有限公司科技分公司 | The pre-compressed air cleaner of push type exhaust |
| CN212497365U (en) * | 2020-06-01 | 2021-02-09 | 勒德节能科技（天津）有限公司 | Fixing device is used in air filter production |
| CN213871351U (en) * | 2020-10-28 | 2021-08-03 | 威海威奥智能科技有限公司 | Valve rod anti-channeling structure of valve |
| CN215292734U (en) * | 2021-03-01 | 2021-12-24 | 立邦（福建）滤清器制造有限公司 | Filter loading attachment with raising and lowering functions |
-
2023
- 2023-03-31 CN CN202310331254.0A patent/CN116336042A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050116178A (en) * | 2004-06-07 | 2005-12-12 | 권영현 | Dust exclusion apparatus of air filter for air cleaner |
| KR100758995B1 (en) * | 2006-07-11 | 2007-09-19 | 조규성 | Water control valve system |
| CN204003798U (en) * | 2014-05-28 | 2014-12-10 | 徐工集团工程机械股份有限公司科技分公司 | The pre-compressed air cleaner of push type exhaust |
| CN203979010U (en) * | 2014-07-01 | 2014-12-03 | 徐工集团工程机械股份有限公司 | The integrated pre-compressed air cleaner of a kind of way flow flow-through |
| CN212497365U (en) * | 2020-06-01 | 2021-02-09 | 勒德节能科技（天津）有限公司 | Fixing device is used in air filter production |
| CN213871351U (en) * | 2020-10-28 | 2021-08-03 | 威海威奥智能科技有限公司 | Valve rod anti-channeling structure of valve |
| CN215292734U (en) * | 2021-03-01 | 2021-12-24 | 立邦（福建）滤清器制造有限公司 | Filter loading attachment with raising and lowering functions |
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