[go: up one dir, main page]

CN212141604U - Lubricating oil filter - Google Patents

Lubricating oil filter Download PDF

Info

Publication number
CN212141604U
CN212141604U CN202020650769.9U CN202020650769U CN212141604U CN 212141604 U CN212141604 U CN 212141604U CN 202020650769 U CN202020650769 U CN 202020650769U CN 212141604 U CN212141604 U CN 212141604U
Authority
CN
China
Prior art keywords
filter
outer cylinder
cylinder body
slag storage
lubricating oil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202020650769.9U
Other languages
Chinese (zh)
Inventor
韩鹏飞
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.)
Luoyang Dahua Intelligent Technology Co ltd
Original Assignee
Luoyang Dahua Intelligent Technology 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 Luoyang Dahua Intelligent Technology Co ltd filed Critical Luoyang Dahua Intelligent Technology Co ltd
Priority to CN202020650769.9U priority Critical patent/CN212141604U/en
Application granted granted Critical
Publication of CN212141604U publication Critical patent/CN212141604U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Filtration Of Liquid (AREA)

Abstract

The utility model discloses a lubricating oil filter, this filter has: the outer cylinder is provided with a liquid inlet and a liquid outlet; the filter head is positioned in the outer cylinder body and is used for filtering the lubricating oil flowing through the outer cylinder body; the moving rod is used for pushing the filter head to move along the direction of the central axis of the outer cylinder body; and a plurality of slag storage grooves are arranged on the inner wall of the outer cylinder body and used for collecting impurities filtered by the filter heads. Has the advantages that: has the advantages that: lubricating oil filter adopt novel structural design, can realize the limit and wash limit work, that is to say, lubricating oil filter whole lubricated oil circuit still normally works when wasing, need not cut off lubricated oil circuit to guaranteed the normal lubricated work of equipment, do not influence production, be particularly suitable for the equipment use of those 24 hours starts, the practicality is good.

Description

Lubricating oil filter
Technical Field
The utility model relates to an oil purification equipment field, concretely relates to lubricating oil filter.
Background
After lubricating oil is used in equipment for a long time, more or less impurities such as dust, scrap iron and the like are contained in the lubricating oil, if the impurities are not removed in time, parts can be seriously abraded, and the whole equipment can be seriously damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lubricating oil filter just in order to solve above-mentioned problem to need cut off lubricating oil circuit when solving current lubricating oil filter washing, whole lubricating oil circuit is out of work, leads to equipment also can not normally work, very influences production, and especially the equipment influence of starting in those 24 hours is bigger. The utility model provides a lubricating oil filter adopts novel structural design, can realize the limit and wash the limit work, that is to say, whole lubricated oil circuit still normally works when lubricating oil filter washs, need not cut off lubricated oil circuit to guaranteed the normal lubricated work of equipment, not influence production, be particularly suitable for the equipment use of those 24 hours starts, the practicality is good, see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of lubricating oil filter, this filter has:
the outer cylinder is provided with a liquid inlet and a liquid outlet;
the filter head is positioned in the outer cylinder body and is used for filtering the lubricating oil flowing through the outer cylinder body;
the moving rod is used for pushing the filter head to move along the direction of the central axis of the outer cylinder body; and
a plurality of slag storage tanks are arranged on the inner wall of the outer cylinder body and used for collecting impurities filtered by the filter heads; and
the flushing pore passage is used for discharging impurities stored in the slag storage groove, one end of the flushing pore passage is communicated with the slag storage groove, and the other end of the flushing pore passage is positioned on the outer surface of the outer cylinder body and is movably sealed;
the filter head has a filter screen that filters lubricating oil liquid and can seal the slag storage tank, let lubricating oil liquid flow in the interior barrel of slag storage tank, the filter screen is fixed in the inner tube and hugs closely interior barrel inner wall, interior barrel and carriage release lever fixed connection, be provided with the through-hole on the interior barrel, it forms the arch to lie in one side that fluid got into on the filter screen, and the arch makes the impurity that the filter screen filtered down pass the through-hole under lubricating oil liquid's promotion and get into the slag storage tank.
As an important design of the scheme, the filter head is also provided with a pull rope which enables the filter screen to keep the protrusion and the protrusion not to be deformed in a concave mode, and one end of the pull rope is connected with the protrusion.
As the optimized design of the scheme, one end of the outer cylinder body is sealed by a sealing plug, and the movable rod is movably connected on the sealing plug in a sealing mode.
As the optimized design of the scheme, the slag storage tank is annular, and the cross section of the annular slag storage tank is circular or polygonal.
As the optimal design of the scheme, the inner wall of the outer cylinder body and the outer wall of the inner cylinder body are both provided with threads, and the inner cylinder body and the outer cylinder body are connected in a screwing mode through thread sealing.
As the optimized design of the scheme, the outer surface of the outer cylinder body is provided with a movable rod which is movably and hermetically inserted in the flushing pore channel.
As the optimized design of the scheme, one slag storage tank is communicated with at least two flushing pore channels.
As the optimized design of the scheme, the other end of the pull rope is fixedly connected with the inner cylinder body.
As the optimal design of the scheme, the inner cylinder body is fixedly provided with a connecting rod, and the other end of the pull rope is fixed on the connecting rod.
Has the advantages that: lubricating oil filter adopt novel structural design, can realize the limit and wash limit work, that is to say, lubricating oil filter whole lubricated oil circuit still normally works when wasing, need not cut off lubricated oil circuit to guaranteed the normal lubricated work of equipment, do not influence production, be particularly suitable for the equipment use of those 24 hours starts, the practicality is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is an internal structural view of the outer cylinder;
FIG. 5 is a front view of the filter head;
FIG. 6 is a top view of the filter head;
FIG. 7 is an internal block diagram of a filter head of one embodiment;
fig. 8 is an internal structural view of a filter head of another embodiment.
The reference numerals are explained below:
1. an outer cylinder; 2. a sealing plug; 3. a liquid outlet; 4. a liquid inlet;
5. a filter head;
51. an inner cylinder; 52. filtering with a screen; 53. a fixing ring; 54. a connecting rod; 55. a screw; 56. a through hole; 57. a protrusion; 58. pulling a rope;
6. a travel bar; 7. a hand wheel; 8. a slag storage tank; 9. a thread; 10. a jack; 11. the tunnel is flushed.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a lubricant filter, comprising:
the lubricating oil device comprises an outer cylinder body 1, wherein a liquid inlet 4 and a liquid outlet 3 are arranged on the outer cylinder body 1, lubricating oil enters the outer cylinder body 1 through the liquid inlet 4 and then flows out of the liquid outlet 3, one structural arrangement mode of the outer cylinder body 1, the liquid inlet 4 and the liquid outlet 3 is shown in figure 4, the upper end and the lower end of the outer cylinder body 1 are open, the lower end of the outer cylinder body is provided with the liquid inlet 4, the liquid outlet 3 is arranged on the side wall of the outer cylinder body 1, the upper end opening of the outer cylinder body 1 is sealed by a sealing plug 2, and the sealing plug 2 is detachable, so; of course, the outer cylinder 1 can be only provided with an opening at the lower end for the liquid inlet 4, and the upper end is not provided with an opening, so that the sealing plug 2 is not used for sealing;
the filter head 5 is positioned in the outer cylinder 1 and used for filtering the lubricating oil flowing through the outer cylinder 1, as shown in fig. 3, an arrow in the drawing indicates the flowing direction of the lubricating oil, the lubricating oil entering the outer cylinder 1 through the liquid inlet 4 can flow out of the liquid outlet 3 after being filtered by the filter head 5, and impurities in the lubricating oil can be filtered by the filter head 5;
the moving rod 6 is used for pushing the filter head 5 to move along the central axis direction of the outer cylinder 1, as shown in fig. 4, if the upper end of the outer cylinder 1 is opened, the moving rod 6 is movably and hermetically connected to the sealing plug 2, if the upper end of the outer cylinder 1 is not opened, the moving rod 6 is movably and hermetically connected to the upper end of the outer cylinder 1, and the specific form of the movable seal connection includes: the movable rod 6 is connected with the sealing plug 2 (or the upper end of the outer cylinder 1) in a sliding and sealing way, and the movable rod 6 is connected with the sealing plug 2 (or the upper end of the outer cylinder 1) in a rotating and sealing way through threads 9;
the slag storage grooves 8 are arranged on the inner wall of the outer cylinder body 1 in a straight line shape, as shown in fig. 4, and are used for collecting impurities filtered by the filter heads 5, in order to enable the impurities filtered by the filter heads 5 to enter the slag storage grooves 8 as completely as possible, the slag storage grooves 8 can be tightly attached to the inner wall of the outer cylinder body 1 and are designed in an annular shape, as shown in fig. 4, the central axis of each annular slag storage groove 8 is the central axis of the outer cylinder body 1; the cross section of the annular slag storage groove 8 can be designed into a circle such as a semicircle, a big semicircle, a small semicircle and the like, and a polygon such as a rectangle, a square, a triangle, a pentagon, a hexagon and the like, preferably, the cross section of the annular slag storage groove 8 is a parallelogram, as shown in figure 4, the design has the advantages that impurities entering the annular slag storage groove 8 are not easy to flow out of the annular slag storage groove 8 along with oil, and meanwhile, a cutter is convenient to machine the annular slag storage groove 8;
a flushing pore canal 11 for discharging impurities stored in the slag storage groove 8, as shown in fig. 3 and 4, one end of the flushing pore canal 11 is communicated with the slag storage groove 8, the other end is positioned on the outer surface of the outer cylinder body 1 and is movably sealed, when the impurities in the slag storage groove 8 need to be cleaned, the seal at the other end of the flushing pore canal 11 is opened, then the impurities are cleaned out of the slag storage groove 8 by injecting water or inflating air or sucking air into the flushing pore canal 11, the preferred cleaning mode is to inject water or inflate air into the flushing pore canal 11, and in order to accelerate the discharge of the impurities in the slag storage groove 8, one slag storage groove 8 is communicated with at least two flushing pore canals 11; the other end of the flushing hole channel 11 can be sealed by a sealing plug 2 and can also be sealed by inserting a moving rod 6, as shown in fig. 4, the moving rod 6 can be designed into a screw rod, the other end of the flushing hole channel 11 is provided with an internal thread 9, the moving rod 6 is sealed at the other end of the flushing hole channel 11 by rotating and inserting the screw thread 959, and meanwhile, a hand wheel 7 is installed at the head of the moving rod 6, so that the moving rod 6 is convenient to screw;
as shown in fig. 5 to 8, the filter head 5 has a filter screen 52 for filtering the lubricant and an inner cylinder 51 for sealing the slag storage tank 8 and preventing the lubricant from flowing into the slag storage tank 8, the filter screen 52 is used for filtering the lubricant, and the inner cylinder 51 is used for sealing the slag storage tank 8 and preventing the lubricant from entering the slag storage tank 8, so as to clean the slag storage tank 8 sealed by the inner cylinder 51 and remove impurities in the slag storage tank 8; the filter screen 52 is fixed in the inner cylinder 51 and tightly attached to the inner wall of the inner cylinder 51, so that the lubricating oil can be completely filtered by the filter screen 52, the lubricating oil cannot flow through a gap between the filter screen 52 and the inner wall of the inner cylinder 51 to affect the filtering effect of the lubricating oil, specifically, as shown in fig. 7, the filter screen 52 is tightly attached and fixed to the inner wall of the inner cylinder 51 through a fixing ring 53, and the fixing ring 53 is fixedly connected with the inner wall of the inner cylinder 51 through a screw 55; the inner cylinder body 51 is fixedly connected with the moving rod 6, the inner cylinder body 51 is provided with a through hole 56, the through hole 56 is used for enabling impurities filtered by the filter screen 52 to pass through the slag storage tank 8, preferably, the through hole 56 is a long hole, a bulge 57 is formed on the filter screen 52 on one side where oil enters, the bulge 57 enables the impurities filtered by the filter screen 52 to pass through the through hole 56 to enter the slag storage tank 8 under the pushing of lubricating oil, the bulge 57 can be located at the center of the filter screen 52 or not located at the center of the filter screen 52, and in order to enable the impurities filtered by the filter screen 52 to uniformly move to all positions in the annular slag storage tank 8, the bulge 57 is preferably located at the center of the filter screen 52;
the protrusion 57 may be a pyramid, a truncated pyramid, or any shape protruding outward, such as a cone, a truncated cone, a hemisphere, etc., preferably, the protrusion 57 is conical, as shown in fig. 5 to 8, so that impurities filtered by the filter screen 52 can conveniently enter the slag storage tank 8 through the through holes 56 under the pushing of the lubricating oil.
When oil flows in the direction of the arrow in fig. 3, the protrusion 57 of the strainer 52 faces downward, and if foreign substances on the strainer 52 are pushed by the oil through the through-holes 56 into one of the slag chutes 8, the inner cylinder 51 can seal at least the slag storage tank 8 adjacent to the upstream side (with reference to the flow direction of the oil) of the slag storage tank 8, specifically, the number of the slag storage tanks 8 sealed by the inner cylinder 51 and located upstream of the filter screen 52 depends on the length of the inner cylinder 51, the larger the length of the inner cylinder 51 is, the larger the number of the slag storage tanks 8 sealed and located upstream of the slag storage tank 8 is, the inner cylinder 51 shown in fig. 3 seals only one slag storage tank 8, of course, the length from the through hole 56 to the lower end of the inner cylinder 51 (taking fig. 5 as an example) cannot be smaller than the distance between two adjacent slag storage tanks 8, otherwise, the inner cylinder 51 cannot seal the adjacent slag storage tank 8 upstream of the slag storage tank 8 (taking the flowing direction of the oil as a reference); when the oil flow direction is opposite to that shown in fig. 3, the position of the protrusion 57 is also opposite, that is, the protrusion 57 of the filter screen 52 faces upwards;
as shown in fig. 5-8, the filter head 5 further has a pull rope 58 for preventing the filter screen 52 from deforming due to the protrusion 57, in view of the fact that the oil flow speed is high, in order to avoid the protrusion 57 on the filter screen 52 from generating a depression under the impact of the oil, which affects the impurities to pass through the through hole 56 and enter the slag storage tank 8, the pull rope 58 is specially arranged on one side of the protrusion 57 of the filter screen 52, one end of the pull rope 58 is connected with the protrusion 57, and the other end of the pull rope 58 is fixedly connected with the inner wall of the inner cylinder 51, as shown in fig. 8, preferably, the number of the pull rope; further, a connecting rod 54 may be fixedly mounted on the inner wall of the inner cylinder 51, and the other end of the pull rope 58 may be fixed to the connecting rod 54, as shown in fig. 7; the pull cord 58 is preferably made of a corrosion resistant material, such as metal or plastic.
As shown in fig. 5 to 8, the inner cylinder 51 is fixedly connected to the moving rod 6 by a connecting rod 54, in order to facilitate the installation and the disassembly of the connecting rod 54, the moving rod 6 and the insertion holes 10 for installing the connecting rod 54 are arranged on the inner cylinder body 51, the insertion holes 10 are all threaded 9 holes, the hole depth of the moving rod 6 and the thread 9 on the inner cylinder body 51 is larger, the two ends of the connecting rod 54 are provided with the threads 9, when one end of the connecting rod 54 is inserted into the bottom of the hole of the screw thread 9 formed on the moving rod 6 or the inner cylinder 51, the other end of the connecting rod 54 is just flush with the inner wall of the inner cylinder 51, the connecting rod 54 can move synchronously with the moving rod 6, when one end of the connecting rod 54 moves to the hole of the thread 9 on the inner cylinder 51, the connecting rod 54 is screwed, so that one end of the connecting rod 54 is screwed into the thread 9 hole, and the movable rod 6 and the inner cylinder 51 can be connected and fixed or the movable rod 6 is fixed on the inner wall of the inner cylinder 51 for fixing the other end of the pulling rope 58.
When the moving rod 6 is in rotary sealing connection with the sealing plug 2 (or the upper end of the outer cylinder 1) through the threads 9, the threads 9 are also arranged on the inner wall of the outer cylinder 1 and the outer wall of the inner cylinder 51, the inner cylinder 51 is in sealing screwed connection with the outer cylinder 1 through the threads 9, and when the moving rod 6 is twisted, the moving rod 6 drives the inner cylinder 51551 to synchronously rotate through the connecting rod 54 and move along the central axis of the outer cylinder 1; when the movable rod 6 is connected with the sealing plug 2 (or the upper end of the outer barrel 1) in a sliding and sealing manner, the outer barrel 1 is connected with the inner barrel 51 in a sliding and sealing manner, at the moment, the movable rod 6 is pushed to drive the inner barrel 51 to move along the central axis of the outer barrel 1 synchronously, preferably, the inner barrel 51 is connected with the outer barrel 1 in a sealing and screwing manner through the threads 9, so that the sealing performance is good, and at the moment, the hand wheel 7 is installed at one end of the movable rod 6 to conveniently screw the movable rod 6.
The working principle is as follows: as shown in fig. 3, the lubricant enters the outer cylinder 1 from bottom to top, and flows out from the liquid outlet 3 after being filtered by the filter screen 52, the impurities on the filter screen 52 pass through the through holes 56 and enter the slag storage tank 8 under the pushing of the lubricant, after a while, the filter head 5 can be driven by the moving rod 6 to move upwards until the filter screen 52 moves to the adjacent slag storage tank 8 at the downstream (based on the flowing direction of the lubricant), so that the impurities filtered by the filter screen 52 fall into the slag storage tank 8 at the downstream, the previous slag storage tank 8 containing the impurities is sealed by the inner cylinder 51, then, the flushing pore canal 11 is opened, the impurities are flushed out of the slag storage tank 8 by injecting or inflating water into the flushing pore canal 11, the cleaning of the filter is completed, the lubricant filter still works normally in the whole cleaning process, the lubricant passage does not need to be cut off, thereby ensuring the normal lubricating work of the equipment without affecting the production, the device is particularly suitable for equipment started in 24 hours, and has good practicability.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. A lubricant filter, characterized in that the filter has:
the outer cylinder is provided with a liquid inlet and a liquid outlet;
the filter head is positioned in the outer cylinder body and is used for filtering the lubricating oil flowing through the outer cylinder body;
the moving rod is used for pushing the filter head to move along the direction of the central axis of the outer cylinder body; and
a plurality of slag storage tanks are arranged on the inner wall of the outer cylinder body and used for collecting impurities filtered by the filter heads; and
the flushing pore passage is used for discharging impurities stored in the slag storage groove, one end of the flushing pore passage is communicated with the slag storage groove, and the other end of the flushing pore passage is positioned on the outer surface of the outer cylinder body and is movably sealed;
the filter head has a filter screen that filters lubricating oil liquid and can seal the slag storage tank, let lubricating oil liquid flow in the interior barrel of slag storage tank, the filter screen is fixed in the inner tube and hugs closely interior barrel inner wall, interior barrel and carriage release lever fixed connection, be provided with the through-hole on the interior barrel, it forms the arch to lie in one side that fluid got into on the filter screen, and the arch makes the impurity that the filter screen filtered down pass the through-hole under lubricating oil liquid's promotion and get into the slag storage tank.
2. The lubricant filter of claim 1, wherein: the filter head is also provided with a pull rope which enables the filter screen to keep the bulge not to be deformed in a concave mode, and one end of the pull rope is connected with the bulge.
3. The lubricant filter of claim 1, wherein: one end of the outer cylinder body is sealed by a sealing plug, and the movable rod is movably and hermetically connected on the sealing plug in a penetrating mode.
4. The lubricant filter of claim 1, wherein: the slag storage groove is annular, and the cross section of the annular groove is circular or polygonal.
5. The lubricant filter of claim 1, wherein: the inner wall of outer barrel and the outer wall of interior barrel all are provided with the screw thread, and interior barrel connects soon through thread seal with outer barrel.
6. The lubricant filter of claim 1, wherein: the outer surface of the outer cylinder body is provided with a movable rod which is movably and hermetically inserted in the flushing pore passage.
7. The lubricant filter of claim 4, wherein: one slag storage groove is communicated with at least two flushing pore channels.
8. The lubricant filter of claim 2, wherein: the other end of the pull rope is fixedly connected with the inner cylinder body.
9. The lubricant filter of claim 2, wherein: the inner cylinder body is fixedly provided with a connecting rod, and the other end of the pull rope is fixed on the connecting rod.
CN202020650769.9U 2020-04-26 2020-04-26 Lubricating oil filter Active CN212141604U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020650769.9U CN212141604U (en) 2020-04-26 2020-04-26 Lubricating oil filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020650769.9U CN212141604U (en) 2020-04-26 2020-04-26 Lubricating oil filter

Publications (1)

Publication Number Publication Date
CN212141604U true CN212141604U (en) 2020-12-15

Family

ID=73723965

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020650769.9U Active CN212141604U (en) 2020-04-26 2020-04-26 Lubricating oil filter

Country Status (1)

Country Link
CN (1) CN212141604U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118788042A (en) * 2024-09-09 2024-10-18 江苏高能启明润滑科技有限公司 A lubricating oil separation tank device with a filtering mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118788042A (en) * 2024-09-09 2024-10-18 江苏高能启明润滑科技有限公司 A lubricating oil separation tank device with a filtering mechanism

Similar Documents

Publication Publication Date Title
CN212141604U (en) Lubricating oil filter
CN113384937A (en) Domestic sewage filtering device
CN220026304U (en) Impurity removing equipment for processing liquid laundry detergent
CN204193601U (en) A filter device for polysulfide sealant production
CN116105407B (en) Gas-liquid separator capable of circularly separating
CN210622768U (en) Oil pipe scraper
CN114074990A (en) Industrial sewage treatment device
CN213589857U (en) Back flush filter device
CN113482580A (en) Vertical filtering desander suitable for high-pressure environment
CN220523557U (en) Inverted V-shaped anti-blocking water separator
CN109854209B (en) A tubular wand outer wall belt cleaning device for in workover oil pipe operation
CN116059714A (en) Graded filtering device for peanut oil squeezing and filtering method thereof
CN212155293U (en) Hydraulic station of large cone crusher
CN209163977U (en) Fuel oil filtering device is used in a kind of purification of oil circuit
CN210382297U (en) Aquaculture residue filter equipment
CN211328388U (en) Visual environment-friendly filter with anti-blocking function
CN211570287U (en) Zero release integration water purification unit of waste water
CN209076151U (en) A kind of band reverse-flushing self-cleaning equipment for separating liquid from solid
CN209885376U (en) a gill filter
CN210057494U (en) Sand lifting device of continuous sand filter
CN202319883U (en) Fuel oil tank and motor vehicle
CN201568602U (en) Special plastics-connection filter glove valve for heating system
CN218720556U (en) a lubricating oil filter
CN213466968U (en) Mechanical continuous filter
CN207349059U (en) Drilling pump filtration apparatus

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant