CN112412729A - Plunger urea pump - Google Patents

Plunger urea pump Download PDF

Info

Publication number
CN112412729A
CN112412729A CN202011406992.XA CN202011406992A CN112412729A CN 112412729 A CN112412729 A CN 112412729A CN 202011406992 A CN202011406992 A CN 202011406992A CN 112412729 A CN112412729 A CN 112412729A
Authority
CN
China
Prior art keywords
urea
urea pump
plunger
fixed
shock attenuation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011406992.XA
Other languages
Chinese (zh)
Inventor
张志强
王亚林
胡保闯
丁兆寒
刘鑫诚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Xuangui Intelligent Technology Research Institute Co ltd
Original Assignee
Henan Xuangui Intelligent Technology Research Institute Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henan Xuangui Intelligent Technology Research Institute Co ltd filed Critical Henan Xuangui Intelligent Technology Research Institute Co ltd
Priority to CN202011406992.XA priority Critical patent/CN112412729A/en
Publication of CN112412729A publication Critical patent/CN112412729A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/001Noise damping
    • F04B53/003Noise damping by damping supports

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)

Abstract

The invention provides a plunger urea pump, which comprises a damping mechanism; the top of the damping mechanism is fixedly provided with a driving mechanism; the left side and the right side of the driving mechanism are symmetrically provided with adjusting mechanisms; the front ends of the adjusting mechanisms are fixedly provided with sealing mechanisms; the sealing mechanism comprises a fixed fixing ring, rotating pieces, a limiting sleeve and an outer fixing frame, wherein five rotating pieces are arranged on one side of the fixed ring in an annular mode through a rotating shaft. The setting of rotor plate and rotation fluted disc, be favorable to improving the life of urea pump, it is rotatory to shake the wheel through positive and negative rotation and drive the worm wheel, the inside outwards expansion of arc wall of the protruding post of connection on the rotor plate or draw in the removal in, open urea import and urea export and close, can be fixed the pipeline when closing, can effectually prevent in the transportation and before the installation that debris from entering into inside the urea pump, avoid the urea crystallization or rotten, can not influence the normal operating of urea pump, increase the life of urea pump.

Description

Plunger urea pump
Technical Field
The invention belongs to the technical field of urea pumps, and particularly relates to a plunger urea pump.
Background
The urea pump is an important component of the urea solution injection metering system, and has the main functions of pumping the urea solution in the urea tank, keeping a certain pressure and then conveying the urea solution to the injection unit to meet the requirements of the injection metering system on flow and pressure.
Based on the above, the present inventors found that the following problems exist in use: present urea pump is when using, can not effectual fixed external pipeline, makes the pipeline easily not hard up, causes bad consequence, moreover, the connector department of urea pump does not seal before the connection, gets into debris easily, can lead to the urea crystallization or deteriorate, influences the normal operating of urea pump.
In view of the above, research and improvement are made on the existing structure and defects, and a plunger urea pump is provided to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides a plunger urea pump to solve the problems that an external pipeline cannot be effectively fixed when the existing urea pump is used, the pipeline is easy to loosen and cause adverse effects, and furthermore, a connecting port of the urea pump before connection is not sealed, impurities are easy to enter, urea is easy to crystallize or deteriorate, and normal operation of the urea pump is influenced.
The invention relates to a plunger urea pump, which is achieved by the following specific technical means:
a plunger urea pump comprises a damping mechanism; the top of the damping mechanism is fixedly provided with a driving mechanism; the left side and the right side of the driving mechanism are symmetrically provided with adjusting mechanisms; the front ends of the adjusting mechanisms are fixedly provided with sealing mechanisms; sealing mechanism is including fixed stationary ring, rotor plate, spacing sleeve and external fixation frame, and solid fixed ring one side is the annular through the pivot and arranges and be provided with five rotor plates, and solid fixed ring's opposite side is fixed and is provided with a spacing sleeve, and the fixed external fixation frame that is provided with in the outside of spacing sleeve.
Further, damper is including shock attenuation frame, shock attenuation bolt and connecting seat, and two shock attenuation framves are all provided with two shock attenuation bolts around the symmetry, and shock attenuation bolt bottom outside activity is provided with a connecting seat, is provided with the spring between connecting seat top and the shock attenuation frame, and the connecting seat top left and right sides is provided with protruding strip and corresponds with two shock attenuation frame bottoms respectively.
Further, actuating mechanism is including motor, front end shell, urea import and urea export, the motor front end is provided with a front end shell through the bolt fastening, and inside motor shaft stretched into the front end shell, front end shell left end was provided with the urea import, and front end shell right side was provided with a urea export, under the installation status, the motor bottom outside and shock absorber frame top fixed weld.
Furthermore, adjustment mechanism is including supporting the link, adjusting the pole and rocking the wheel, and two support link front ends have all alternate one to adjust the pole, and adjust the pole top and pass and stretch out the top outside and the fixed rocking wheel that is provided with in top that supports the link, and two support link front ends pass through connecting plate fixed connection, adjust the pole intermediate position and be provided with the worm, and under the installation state, both ends fixed connection about the rear side of two support links and the motor outside.
Furthermore, adjustment mechanism is still including worm wheel, gear train and interior fixed plate, and two support link front ends all are provided with an interior fixed plate through the bolt fastening, and the rear end outside of interior fixed plate all rotates through the pivot and is connected with a gear train, and interior fixed plate rear end inboard all is through worm wheel of pivot fixedly connected with, and worm wheel and the worm meshing transmission on adjusting the pole, worm wheel and gear train meshing transmission.
Furthermore, a sealed fixed surface is formed by the five rotating sheets, the fixed surface is circular, the diameter of the fixed surface is the same as that of the outer side of the fixed ring, and one end of each rotating sheet is provided with a connecting protruding column.
Further, sealing mechanism is still including rotating fluted disc and connection cylinder, and solid fixed ring one side is the annular and arranges and be provided with five connection cylinders, and connects the cylindrical rotor plate that runs through, and the rotation fluted disc is the annular and arranges and be provided with five arcs and run through the groove, and the protruding post of connection of rotor plate can follow five arcs and run through inslot reciprocating motion, under the mounted state, gu fixed ring is through connecting cylinder and inner fixed plate outside fixed connection.
Compared with the prior art, the invention has the following beneficial effects:
the setting of rotor plate and rotation fluted disc, be favorable to improving the life of urea pump, it is rotatory to shake the worm on the wheel through positive and negative rotation and drive the worm wheel, the worm wheel passes through the gear train and drives the rotation of transmission fluted disc, the protruding post of connection on the rotor plate outwards expands or draws in the removal in the arc wall on the transmission fluted disc inside, open urea import and urea export and close, the wheel is shaken in the counter-rotation, it is rotatory to drive worm wheel and gear train, it is fixed with the outside pipeline to rotate the fluted disc antiport, it is fixed to realize sealed and pipeline simultaneously, can effectually prevent in the transportation and before the installation that debris from entering into inside the urea pump, avoid urea crystallization or rotten, can not influence the normal operating of urea pump, increase the life of urea pump.
Drawings
Fig. 1 is a schematic axial view of the present invention.
Fig. 2 is a schematic bottom view of the shock absorbing mechanism of the present invention.
Fig. 3 is a schematic bottom view of the drive mechanism of the present invention.
Fig. 4 is a schematic axial view of the adjusting mechanism of the present invention.
Fig. 5 is a schematic view of the seal mechanism of the present invention in a disassembled configuration.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a damping mechanism; 101. a shock-absorbing mount; 102. a shock absorbing bolt; 103. a connecting seat; 2. a drive mechanism; 201. a motor; 202. a front end housing; 203. a urea inlet; 204. a urea outlet; 3. an adjustment mechanism; 301. a support link; 302. adjusting a rod; 303. shaking the wheel; 304. a worm gear; 305. a gear set; 306. an inner fixing plate; 4. a sealing mechanism; 401. a fixing ring; 402. a rotating sheet; 403. a limiting sleeve; 404. an outer fixing frame; 405. rotating the fluted disc; 406. and connecting the cylinders.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 5:
the invention provides a plunger urea pump, which comprises a damping mechanism 1; the top of the damping mechanism 1 is fixedly provided with a driving mechanism 2; the left side and the right side of the driving mechanism 2 are symmetrically provided with adjusting mechanisms 3; the front ends of the adjusting mechanisms 3 are fixedly provided with sealing mechanisms 4; the sealing mechanism 4 comprises a fixed fixing ring 401, rotating sheets 402, a limiting sleeve 403 and an external fixing frame 404, wherein five rotating sheets 402 are annularly arranged on one side of the fixed ring 401 through a rotating shaft, the other side of the fixed ring 401 is fixedly provided with the limiting sleeve 403, and the external fixing frame 404 is fixedly arranged on the outer side of the limiting sleeve 403.
Wherein, damper 1 is including shock attenuation frame 101, shock attenuation bolt 102 and connecting seat 103, and two shock attenuation frame 101 are all provided with two shock attenuation bolt 102 around the symmetry, and shock attenuation bolt 102 bottom outside activity is provided with a connecting seat 103, is provided with the spring between connecting seat 103 top and the shock attenuation frame 101, and the connecting seat 103 top left and right sides is provided with protruding strip and corresponding with two shock attenuation frame 101 bottoms respectively.
Wherein, actuating mechanism 2 is including motor 201, front end shell 202, urea import 203 and urea export 204, motor 201 front end is provided with a front end shell 202 through bolt fastening, and inside motor 201 pivot stretched into front end shell 202, front end shell 202 left end was provided with urea import 203, and front end shell 202 right side is provided with a urea export 204, and under the mounted state, motor 201 bottom outside and shock attenuation frame 101 top fixed weld.
Wherein, adjustment mechanism 3 is including supporting link 301, adjust pole 302 and rocking wheel 303, two supporting link 301 front ends all interpenetrate and have an adjusting pole 302, and adjust the pole 302 top and pass and stretch out the top outside and the top fixed of supporting link 301 and be provided with a rocking wheel 303, two supporting link 301 front ends pass through connecting plate fixed connection, it is provided with the worm to adjust the pole 302 intermediate position, under the mounted state, both ends fixed connection about two supporting link 301's rear sides and the motor 201 outside.
Wherein, adjustment mechanism 3 is still including worm wheel 304, gear train 305 and internal fixation board 306, and two support link 301 front ends all are provided with an internal fixation board 306 through bolt fastening, and the rear end outside of internal fixation board 306 all is connected with a gear train 305 through the pivot rotation, and the inboard worm wheel 304 that all is connected with through pivot fixed connection of internal fixation board 306 rear end, and worm wheel 304 and the worm meshing transmission on adjusting pole 302, worm wheel 304 and gear train 305 meshing transmission.
Wherein, five rotor plates 402 constitute a sealed stationary plane, and this stationary plane is circular and the diameter is the same with the outside diameter of solid fixed ring 401, and the one end of rotor plate 402 is provided with a connection protruding post.
Wherein, sealing mechanism 4 is still including rotating fluted disc 405 and connection cylinder 406, and solid fixed ring 401 one side is the annular arrangement and is provided with five connection cylinder 406, and the rotating plate 402 that runs through of connecting cylinder 406, and rotating fluted disc 405 is the annular arrangement and is provided with five arcs and runs through the groove, and the protruding post of connection of rotating plate 402 can follow five arcs and run through the inside reciprocating motion of inslot, and under the mounted state, gu fixed ring 401 is through connecting cylinder 406 and the outside fixed connection of inner fixed plate 306.
The specific use mode and function of the embodiment are as follows:
in the invention, when in use, the equipment is installed through the connecting seat 103, the distance between the connecting seat 103 and the damping frame 101 is adjusted through rotating the damping bolt 102 so as to adjust the damping intensity, the urea inlet 203 and the urea outlet 204 of the urea pump are connected with the outside in a rolling manner, the worm on the rotary rocking wheel 303 drives the worm wheel 304 to rotate during connection, the worm wheel 304 drives the transmission fluted disc to rotate through the gear set 305, the connecting convex column on the rotary sheet 402 is unfolded and moved outwards in the arc-shaped groove on the transmission fluted disc, the urea inlet 203 and the urea outlet 204 are opened, the external pipeline is connected with the urea inlet 203 and the urea outlet 204, the rocking wheel 303 is rotated reversely at the same time, the worm wheel 304 and the gear set 305 are driven to rotate, the rotary fluted disc 405 rotates reversely, the rotary sheet 402 is folded towards the center to fix the external pipeline, and meanwhile, the sealing, inside can effectually preventing in the transportation and before the installation that debris from entering into the urea pump, avoid the urea crystallization or deteriorate, can not influence the normal operating of urea pump, increase the life of urea pump.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (7)

1. A plunger urea pump characterized by: comprises a damping mechanism (1); the top of the damping mechanism (1) is fixedly provided with a driving mechanism (2); the left side and the right side of the driving mechanism (2) are symmetrically provided with adjusting mechanisms (3); the front ends of the adjusting mechanisms (3) are fixedly provided with sealing mechanisms (4); the sealing mechanism (4) comprises a fixed fixing ring (401), rotating sheets (402), a limiting sleeve (403) and an outer fixing frame (404), wherein five rotating sheets (402) are annularly arranged on one side of the fixed ring (401) through a rotating shaft, the other side of the fixed ring (401) is fixedly provided with the limiting sleeve (403), and the outer side of the limiting sleeve (403) is fixedly provided with the outer fixing frame (404).
2. A plunger urea pump as claimed in claim 1, wherein: damping mechanism (1) is including shock attenuation frame (101), shock attenuation bolt (102) and connecting seat (103), and two shock attenuation bolts (102) are all provided with in front and back symmetry in two shock attenuation frames (101), and shock attenuation bolt (102) bottom outside activity is provided with one connecting seat (103), is provided with the spring between connecting seat (103) top and shock attenuation frame (101), and the connecting seat (103) top left and right sides is provided with protruding strip and is corresponding with two shock attenuation frame (101) bottoms respectively.
3. A plunger urea pump as claimed in claim 1, wherein: actuating mechanism (2) are including motor (201), front end shell (202), urea import (203) and urea export (204), motor (201) front end is provided with one front end shell (202) through the bolt fastening, and inside motor (201) pivot stretched into front end shell (202), front end shell (202) left end was provided with urea import (203), and front end shell (202) right side was provided with one urea export (204), and under the installation state, motor (201) bottom outside and shock attenuation frame (101) top fixed weld.
4. A plunger urea pump as claimed in claim 1, wherein: adjusting mechanism (3) is including supporting link (301), adjust pole (302) and rocking wheel (303), two support link (301) front ends all alternate one and have adjusted pole (302), and adjust pole (302) top and pass and stretch out the top outside and the top of supporting link (301) and fixedly be provided with one and rock wheel (303), two support link (301) front ends pass through connecting plate fixed connection, it is provided with the worm to adjust pole (302) intermediate position, under the installation condition, both ends fixed connection about the rear side of two support links (301) and motor (201) outside.
5. A plunger urea pump as claimed in claim 1, wherein: adjusting mechanism (3) are still including worm wheel (304), gear train (305) and internal fixation board (306), two support link (301) front ends all are provided with one internal fixation board (306) through the bolt fastening, and the rear end outside of internal fixation board (306) all is connected with one gear train (305) through the pivot rotation, internal fixation board (306) rear end inboard all is through worm wheel (304) of pivot fixedly connected with, and worm wheel (304) and the worm meshing transmission on adjusting pole (302), worm wheel (304) and gear train (305) meshing transmission.
6. A plunger urea pump as claimed in claim 1, wherein: the five rotating sheets (402) form a sealed fixing surface, the fixing surface is circular, the diameter of the fixing surface is the same as the diameter of the outer side of the fixing ring (401), and one end of each rotating sheet (402) is provided with a connecting protruding column.
7. A plunger urea pump as claimed in claim 1, wherein: sealing mechanism (4) are still including rotating fluted disc (405) and connection cylinder (406), and solid fixed ring (401) one side is the annular and arranges and is provided with five connection cylinder (406), and the rotating plate (402) that runs through of connecting cylinder (406), and rotating fluted disc (405) are the annular and arrange and are provided with five arcs and run through the groove, and the protruding post of connection of rotating plate (402) can follow five arcs and run through the inside reciprocating motion of inslot, and under the mounted state, gu fixed ring (401) is through connecting cylinder (406) and inner fixed plate (306) outside fixed connection.
CN202011406992.XA 2020-12-04 2020-12-04 Plunger urea pump Pending CN112412729A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011406992.XA CN112412729A (en) 2020-12-04 2020-12-04 Plunger urea pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011406992.XA CN112412729A (en) 2020-12-04 2020-12-04 Plunger urea pump

Publications (1)

Publication Number Publication Date
CN112412729A true CN112412729A (en) 2021-02-26

Family

ID=74829168

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011406992.XA Pending CN112412729A (en) 2020-12-04 2020-12-04 Plunger urea pump

Country Status (1)

Country Link
CN (1) CN112412729A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB607866A (en) * 1945-05-18 1948-09-07 Anglo Iranian Oil Co Ltd Improvements relating to valves
US4513948A (en) * 1981-01-14 1985-04-30 Koenig Reinhard Diaphragm regulating valve
CN108799531A (en) * 2018-07-02 2018-11-13 江苏永胜海洋工程有限公司 A kind of aperture-type air register
CN208578693U (en) * 2018-06-28 2019-03-05 刘建校 A kind of diaphragm pump
EP3530954A1 (en) * 2018-02-26 2019-08-28 Garrett Transportation I Inc. Turbocharger compressor having adjustable-trim mechanism
CN209638012U (en) * 2018-12-21 2019-11-15 无锡凯惠灵科技有限公司 A kind of inverse circulation chemical shielding electric pump of high reliability
CN111255904A (en) * 2020-02-20 2020-06-09 金陵科技学院 Section-adjustable flow limiting valve
CN211202427U (en) * 2019-09-24 2020-08-07 营口振华潜水电泵有限公司 Effectual water pump of shock attenuation

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB607866A (en) * 1945-05-18 1948-09-07 Anglo Iranian Oil Co Ltd Improvements relating to valves
US4513948A (en) * 1981-01-14 1985-04-30 Koenig Reinhard Diaphragm regulating valve
EP3530954A1 (en) * 2018-02-26 2019-08-28 Garrett Transportation I Inc. Turbocharger compressor having adjustable-trim mechanism
CN208578693U (en) * 2018-06-28 2019-03-05 刘建校 A kind of diaphragm pump
CN108799531A (en) * 2018-07-02 2018-11-13 江苏永胜海洋工程有限公司 A kind of aperture-type air register
CN209638012U (en) * 2018-12-21 2019-11-15 无锡凯惠灵科技有限公司 A kind of inverse circulation chemical shielding electric pump of high reliability
CN211202427U (en) * 2019-09-24 2020-08-07 营口振华潜水电泵有限公司 Effectual water pump of shock attenuation
CN111255904A (en) * 2020-02-20 2020-06-09 金陵科技学院 Section-adjustable flow limiting valve

Similar Documents

Publication Publication Date Title
CN213221219U (en) Bag filter
CN112412729A (en) Plunger urea pump
CN209176157U (en) A kind of filter for blow-moulding machine
CN112473297B (en) Industrial explosion-proof dust remover
CN215979330U (en) Oil pumping unit with lubricating oil filtering mechanism
CN115556973A (en) Quantitative conveying device for grass protecting particle production
CN209958422U (en) Non-negative pressure variable frequency water supply equipment
CN219355765U (en) Gas flow passage structure in activated carbon adsorption box
CN212189966U (en) Multilayer linear screen with linear self-vibration source
CN211587435U (en) Cement grinding aid production raw and other materials screening plant
CN210141329U (en) Gate valve with detachable filter screen
CN113404745A (en) Heat dissipation device for hydraulic equipment
CN210317914U (en) Single-pump-shell large-scale desulfurization environmental protection engineering slurry circulating pump
CN112672547A (en) Aluminum box for LED display screen
CN110813899A (en) Turnover type filtering washing dryer
CN211370735U (en) Right-angle pump head
CN218598935U (en) Electronic blind plate valve gear pair headstock gear
CN219067972U (en) Adjustable motor bearing fixing structure
CN111594361A (en) Air filter for air intake system of internal combustion engine
CN220530895U (en) Novel filter element
CN214616710U (en) Engine oil vapor filtering device for crankcase of vehicle engine
CN217815698U (en) Novel blow-off pipe
CN219061855U (en) Ship air inlet filtering device
CN212155007U (en) Reassembling type diesel oil filter
CN220319955U (en) Booster pump with inlet self-cleaning filtration

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
AD01 Patent right deemed abandoned

Effective date of abandoning: 20230602

AD01 Patent right deemed abandoned