CN106958474B - Liquid spraying pump body - Google Patents

Liquid spraying pump body Download PDF

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Publication number
CN106958474B
CN106958474B CN201710292066.6A CN201710292066A CN106958474B CN 106958474 B CN106958474 B CN 106958474B CN 201710292066 A CN201710292066 A CN 201710292066A CN 106958474 B CN106958474 B CN 106958474B
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China
Prior art keywords
block
oil hole
hole
block body
oil
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Application number
CN201710292066.6A
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Chinese (zh)
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CN106958474A (en
Inventor
沈卫忠
郭金彪
曹年风
吴猛
王吉
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.)
Jiangyin Zhongwei Power Machinery Co ltd
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Jiangyin Zhongwei Power Machinery Co ltd
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Application filed by Jiangyin Zhongwei Power Machinery Co ltd filed Critical Jiangyin Zhongwei Power Machinery Co ltd
Priority to CN201710292066.6A priority Critical patent/CN106958474B/en
Publication of CN106958474A publication Critical patent/CN106958474A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00Adding substances to exhaust gases
    • F01N2610/14Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1453Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention relates to a liquid spraying pump body which comprises a first block body and a second block body which are connected up and down, wherein a first block body first oil hole, a first block body sixth mounting hole, a first block body first mounting hole, a first block body second oil hole, a first block body second mounting hole, a first block body third oil hole, a first block body fourth oil hole, a first block body fifth oil hole, a first block body third mounting hole, a first block body sixth oil hole, a first block body fourth mounting hole, a first block body seventh oil hole, a first block body eighth oil hole, a first block body positioning hole and a first block body fifth mounting hole are formed in the first block body; the second block is provided with a second block, a counter bore of the second block, a positioning hole of the second block, a first oil hole of the second block, a second oil hole of the second block, a third oil hole of the second block, a first mounting hole of the second block, a fourth oil hole of the second block and a second mounting hole of the second block. The liquid spraying pump body has the advantages of reliable structure, convenience in assembly and good sealing performance. The design is compact.

Description

Liquid spraying pump body
Technical Field
The invention relates to a liquid spraying pump body.
Background
The spray pump body is a brand new product developed and used for an automobile exhaust aftertreatment device, and comprises a bolt hole, a threaded hole and various oil ways which are integrated into a whole. Because the mounting holes are more, the assembly precision in the assembly process is higher, and other assembly parts do not need to be disassembled and replaced. Meanwhile, the service life of the assembly part is considered, a pump body structure which is small in size, simple in structure and convenient to assemble is developed, and the service requirement of the whole service life is met.
Disclosure of Invention
The invention aims to meet the discharge requirements of the national fifth department and provides the liquid spraying pump body which is reliable in structure, convenient to assemble and good in sealing performance.
The purpose of the invention is realized by the following steps:
a hydrojet pump body, it includes first block and second block that link up from top to bottom, the first block and rectangular structure of the second block size difference, the thickness of the first block is the same with the second block, the right section bottom surface of the first block couples to top surface of the second block, the right surface of the first block and right surface of the second block are leveled;
the middle-lower area of the front side surface of the first block is provided with a first block first oil hole backwards, the left-upper area of the front side surface of the first block is provided with a first block sixth mounting hole backwards, the left-lower area and the right-upper area of the front side surface of the first block are provided with backward first block first mounting holes, the rear side surface of the first block is provided with a first block second oil hole forwards, the first block second oil hole and the first block first oil hole are coaxially arranged, the inner diameter of the first block second oil hole is larger than that of the first block first oil hole, the rear side surface of the first block positioned at the periphery of the first block second oil hole is uniformly provided with three first block second mounting holes forwards, the upper surface of the first block is provided with a first block third oil hole, a first block fourth oil hole and a first block fifth oil hole downwards, wherein the first block third oil hole is positioned right above the first block second oil hole and is communicated with the first block second oil hole, the first block fourth oil hole is positioned right of the first block and is communicated with the fifth oil hole, and the first block extends downwards; the upper surface of the first block body in front of and behind the fifth oil hole of the first block body is provided with a third mounting hole of the first block body downwards respectively, the right side surface of the first block body is provided with a sixth oil hole of the first block body towards the left, the sixth oil hole of the first block body is communicated with the second oil hole of the first block body, the right side surface of the first block body in front of and above the sixth oil hole of the first block body is provided with two fourth mounting holes of the first block body towards the left, the left side surface of the first block body is provided with a seventh oil hole of the first block body and an eighth oil hole of the first block body towards the right, the eighth oil hole of the first block body is communicated with the first oil hole of the first block body, and the left side surfaces of the first block bodies except the seventh oil hole of the first block body and the eighth oil hole of the first block body are provided with three fifth mounting holes of the first block body which are uniformly arranged towards the right;
the first block body counter bore is formed in the front half section and the middle half section of the left side face of the second block body, four through second block body positioning holes are formed in the periphery of the outer side of the second block body counter bore, the second block body positioning holes are step holes with small left and large right sides, a second block body first oil hole and a second block body second oil hole which are right are formed in the second block body counter bore along the center line of the second block body counter bore in the vertical direction respectively from top to bottom, a second block body third oil hole communicated with the second block body second oil hole is formed in the front side face of the second block body, a second block body first mounting hole is formed above the second block body third oil hole and is a threaded hole, a second block body fourth oil hole communicated with the second block body first oil hole is formed in the rear side face of the second block body, the outer section of the second block body fourth oil hole is large in caliber, the inner section of the second block body fourth oil hole is small in caliber, and two second block body second mounting holes which are arranged left from top to bottom are formed in the rear section of the right side face of the second block body.
The second block body second mounting hole is a threaded hole.
The outer ends of the third oil hole of the second block body, the fourth oil hole of the second block body and the first mounting hole of the second block body are all provided with recessed sealing ring embedding counter bores.
The outer section of the fourth oil hole of the second block body is provided with an internal thread.
The outer section of the third oil hole of the second block body is provided with an internal thread.
Internal threads are arranged in the first oil hole of the first block body, the sixth mounting hole of the first block body and the first mounting hole of the first block body.
The outer ends of the first oil hole of the first block, the sixth mounting hole of the first block and the first mounting hole of the first block are provided with recessed sealing ring embedding counter bores.
The second mounting hole of the first block body is a threaded hole.
The outer end of the seventh oil hole of the first block is a counter bore sunk rightwards, a cone is convexly arranged at the center of the counter bore leftwards, the seventh oil hole of the first block extends rightwards from the center of the cone and is communicated with the third oil hole of the first block, and a first block positioning hole is further formed in the counter bore on one side of the seventh oil hole of the first block rightwards.
A circle of convex ring is arranged on the left end face of the eighth oil hole of the first block, and a sealing ring embedding counter bore which is arranged in a concave mode is arranged outside the convex ring.
Compared with the prior art, the invention has the beneficial effects that:
the liquid spraying pump body of the invention changes the previous carving of aluminum ingots into sawing of tensile section bars for convenient processing; in order to prolong the service life of the sealing ring, the orifice is changed into a counter bore design, and the boss is designed into the most appropriate angle. The liquid spraying pump body has the advantages of reliable structure, convenience in assembly and good sealing performance.
Drawings
Fig. 1 is a schematic view of a first perspective structure of a liquid jet pump body.
Fig. 2 is a second perspective view of the liquid jet pump body.
Fig. 3 is a third perspective view of the liquid jet pump body.
Fig. 4 is a left side view of the liquid ejection pump body.
Wherein:
the oil cylinder comprises a first block body 1, a first block body first oil hole 1.1, a first block body sixth mounting hole 1.2, a first block body first mounting hole 1.3, a first block body second oil hole 1.4, a first block body second mounting hole 1.5, a first block body third oil hole 1.6, a first block body fourth oil hole 1.7, a first block body fifth oil hole 1.8, a first block body third mounting hole 1.9, a first block body sixth oil hole 1.10, a first block body fourth mounting hole 1.11, a first block body seventh oil hole 1.12, a first block body eighth oil hole 1.13, a first block body positioning hole 1.14 and a first block body fifth mounting hole 1.15;
the oil cylinder comprises a second block body 2, a counter bore 2.1 of the second block body, a positioning hole 2.2 of the second block body, a first oil hole 2.3 of the second block body, a second oil hole 2.4 of the second block body, a third oil hole 2.5 of the second block body, a first mounting hole 2.6 of the second block body, a fourth oil hole 2.7 of the second block body and a second mounting hole 2.8 of the second block body.
Detailed description of the preferred embodiments
Referring to fig. 1-4, the liquid spray pump body according to the present invention includes a first block 1 and a second block 2 connected up and down, the first block 1 and the second block 2 have different sizes and rectangular structures, the first block 1 and the second block 2 have the same thickness, the bottom surface of the right section of the first block 1 is connected with the top surface of the second block 2, and the right surface of the first block 1 is flush with the right surface of the second block 2.
The middle-lower area of the front side surface of the first block body 1 is backwards provided with a first block body first oil hole 1.1, the left-upper area of the front side surface of the first block body 1 is backwards provided with a first block body sixth installation hole 1.2, the left-lower area and the right-upper area of the front side surface of the first block body 1 are respectively provided with a backwards first block body first installation hole 1.3, the first block body first oil hole 1.1, the first block body sixth installation hole 1.2 and the first block body first installation hole 1.3 are internally provided with internal threads, and the outer ends of the first block body first oil hole 1.1, the first block body sixth installation hole 1.2 and the first block body first installation hole 1.3 are respectively provided with a concave sealing ring embedding counter bore; the rear side surface of the first block body 1 is forwardly provided with a first block body second oil hole 1.4, the first block body second oil hole 1.4 and the first block body first oil hole 1.1 are coaxially arranged, the inner diameter of the first block body second oil hole 1.4 is larger than that of the first block body first oil hole 1.1, the rear side surface of the first block body 1 positioned at the periphery of the first block body second oil hole 1.4 is uniformly provided with three first block body second mounting holes 1.5 forward, the first block body second mounting holes 1.5 are threaded holes, the upper surface of the first block body 1 is provided with a first block body third oil hole 1.6, a first block body fourth oil hole 1.7 and a first block body fifth oil hole 1.8 downward, wherein the first block body third oil hole 1.6 is positioned directly above the first block body second oil hole 1.4 and communicated with the first block body third oil hole 1.7, the first block body fourth oil hole 1.7 is positioned directly above the first block body first oil hole 1.1 and communicated with the first block body fourth oil hole 1.8, the fifth block body third oil hole 1.8 is positioned directly above the first block body second oil hole 1.6 and communicated with the fifth oil hole, and the fifth block body fifth oil hole extends vertically downward; the upper surface of the first block 1 in front of and behind the fifth oil hole 1.8 of the first block is provided with a third mounting hole 1.9 of the first block downward, the right side of the first block 1 is provided with a first block sixth oil hole 1.10 to the left, the first block sixth oil hole 1.10 is communicated with the second oil hole 1.4 of the first block, the right side of the first block 1 above the first block sixth oil hole 1.10 is provided with two first block fourth mounting holes 1.11 to the left, the left side of the first block 1 is provided with a seventh oil hole 1.12 of the first block and an eighth oil hole 1.13 of the first block to the right, wherein the outer end of the seventh oil hole 1.12 of the first block is a counter bore sunk to the right, A cone is convexly arranged at the center of the counter bore leftwards, the first block body seventh oil hole 1.12 extends rightwards from the center of the cone and is communicated with the first block body third oil hole 1.6, a first block body positioning hole 1.14 is further formed in the counter bore on one side of the first block body seventh oil hole 1.12 in the right direction, a circle of convex ring is arranged on the left end face of the first block body eighth oil hole 1.13, a concave sealing ring embedding counter bore is arranged outside the convex ring, the first block body eighth oil hole 1.13 is communicated with the first block body first oil hole 1.1, and three first block body fifth mounting holes 1.15 which are uniformly arranged rightwards are formed in the left side face of the first block body 1 outside the first block body seventh oil hole 1.12 and the first block body eighth oil hole 1.13.
Wherein, the front half section and the middle half section of the left side surface of the second block body 2 are provided with a right second block body counter bore 2.1, the periphery of the outer side of the second block body counter bore 2.1 is provided with four left and right through second block body positioning holes 2.2, the second block body positioning holes 2.2 are step holes with small left and large right, a right second block body first oil hole 2.3 and a second block body second oil hole 2.4 are respectively arranged along the central line of the vertical direction in the second block body counter bore 2.1, the front side surface of the second block body 2 is provided with a second block body third oil hole 2.5 communicated with the second block body second oil hole 2.4, the outer section of the second block body third oil hole 2.5 is provided with an internal thread, a second block body first mounting hole 2.6 is arranged above the second block body third oil hole 2.5, the first mounting hole 2.6 of second block is the screw hole, be provided with the second block fourth oilhole 2.7 with the first oilhole 2.3 intercommunication of second block on the trailing flank of second block 2, the big inner segment bore of the second block fourth oilhole 2.7 outer segment bore is little, the outer segment of second block fourth oilhole 2.7 is provided with the internal thread, the right flank rear segment of second block 2 is provided with two upper and lower second block second mounting holes 2.8 of arranging left, second block second mounting hole 2.8 is the screw hole, the outer end of second block third oilhole 2.5, second block fourth oilhole 2.7 and the first mounting hole 2.6 of second block all is provided with the sealing washer embedding counter bore of concave establishment.
The sealing rings are installed at the orifices of the product, and the sealing rings are protruded after being installed and are easily abraded. Therefore, counter bores are additionally arranged at each hole opening, and the sealing ring is protected from being abraded easily. And a hole for installing a sealing ring is needed, and the sealing ring is not smooth and easy to slide out because of the original chamfer angle. The product adopts orifice fillets and chamfers, so that the orifice is smooth, a sealing ring is easy to load, the installation is more proper, and the sealing performance is ensured. The oblique angle of the hole is also the same, so that the oblique angle is increased, and the fitting is convenient to install correctly during assembly. The oblique angle of the orifice of the gun head of the mounting tool used in the assembly is consistent with that of the gun head, so that the centering effect is achieved, and the accessories can be conveniently and correctly mounted. The original angle of this product boss is 45, and the result of use after the dress sealing washer is not very good. The boss angle was redesigned to 30 °. The angle of the boss is changed into 30 degrees, which is verified by a plurality of tests. If the angle is too small, the deformation of the stress point of the sealing ring is large after the sealing ring is installed, and the service life of the sealing ring is influenced; if the angle is too large, the sealing ring cannot be tightly attached to the boss after the sealing ring is installed, and the sealing performance is affected.

Claims (8)

1. A hydrojet pump body, characterized by that it includes first block (1) and second block (2) that link to each other from top to bottom, the rectangular structure of the difference of size of first block (1) and second block (2), the thickness of first block (1) and second block (2) is the same, the right section bottom surface of first block (1) links to each other with the top surface of second block (2), the right surface of first block (1) and the right surface of second block (2) are leveled;
wherein, a first block first oil hole (1.1) is arranged backwards in the middle-lower area of the front side surface of the first block (1), a first block sixth mounting hole (1.2) is arranged backwards in the left-upper area of the front side surface of the first block (1), backward first block first mounting holes (1.3) are arranged in the left-lower area and the right-upper area of the front side surface of the first block (1), a first block second oil hole (1.4) is arranged forwards in the rear side surface of the first block (1), the first block second oil hole (1.4) and the first block first oil hole (1.1) are coaxially arranged, the inner diameter of the first block second oil hole (1.4) is larger than that of the first block first oil hole (1.1), three first block second mounting holes (1.5) are uniformly arranged forwards in the rear side surface of the first block (1) at the periphery of the first block second oil hole (1.4), a first block second oil hole (1.6) and a fourth block (1.8) are respectively arranged forwards in the upper area of the first block (1), the first block third oil hole (1.6) is located right above the first block second oil hole (1.4) and communicated with the first block second oil hole, the first block fourth oil hole (1.7) is located right above the first block first oil hole (1.1) and communicated with the first block first oil hole, the first block fifth oil hole (1.8) is located right of the first block third oil hole (1.6), and the first block fifth oil hole (1.8) extends downwards to be vertically communicated with the second block fourth oil hole (2.7); a first block third mounting hole (1.9) is respectively formed in the upper surface of the first block (1) in front of and behind the first block fifth oil hole (1.8) downwards, a first block sixth oil hole (1.10) is formed in the right side surface of the first block (1) leftwards, the first block sixth oil hole (1.10) is communicated with the first block second oil hole (1.4), two first block fourth mounting holes (1.11) are formed in the right side surface of the first block (1) above the first block sixth oil hole (1.10) leftwards, a first block seventh oil hole (1.12) and a first block eighth oil hole (1.13) are formed in the left side surface of the first block (1) rightwards, the first block eighth oil hole (1.13) is communicated with the first block first oil hole (1.1), and third block seventh oil holes (1.12) and fifth block eighth oil holes (1.13) are uniformly formed in the left side surface of the first block (1) except the first block fifth oil hole (1.8) and the first block eighth oil hole (1.13) to the right;
the front half section and the middle half section of the left side surface of the second block body (2) are provided with a right second block body counter bore (2.1), the periphery of the outer side of the second block body counter bore (2.1) is provided with four left and right through second block body positioning holes (2.2), the second block body positioning holes (2.2) are stepped holes with small left and large right, a right second block body first oil hole (2.3) and a second block body second oil hole (2.4) are respectively arranged in the second block body counter bore (2.1) along the vertical center line of the second block body counter bore, the front side surface of the second block body (2) is provided with a second block body third oil hole (2.5) communicated with the second block body second oil hole (2.4), a second block body first mounting hole (2.6) is arranged above the second block body third oil hole (2.5), the second block body first mounting hole (2.6) is a threaded hole, the rear side surface of the second block body (2) is provided with a second block body first oil hole (2.3), the rear side surface of the second block body (2) is provided with two block body small right section, and the rear surface of the second block body (2.7.8) is arranged in the right section;
the second mounting hole (2.8) of the second block body is a threaded hole;
the outer ends of the third oil hole (2.5) of the second block body, the fourth oil hole (2.7) of the second block body and the first mounting hole (2.6) of the second block body are all provided with sealing ring embedding counter bores which are arranged in a concave mode.
2. A spray pump body according to claim 1, characterized in that the outer section of the fourth oil opening (2.7) of the second block is provided with an internal thread.
3. A spray pump body according to claim 1, characterized in that the outer section of the third oil opening (2.5) of the second block is provided with an internal thread.
4. A spray pump body according to claim 1, characterised in that the first block first oil opening (1.1), the first block sixth mounting hole (1.2) and the first block first mounting hole (1.3) are internally threaded.
5. The spray pump body according to claim 1, characterized in that the outer ends of the first block first oil hole (1.1), the first block sixth mounting hole (1.2) and the first block first mounting hole (1.3) are provided with recessed seal ring embedding counterbores.
6. A spray pump body according to claim 1, wherein the first block second mounting hole (1.5) is a threaded hole.
7. The liquid spraying pump body as claimed in claim 1, wherein the outer end of the seventh oil hole (1.12) of the first block body is a counter bore which is recessed rightwards, the center of the counter bore is provided with a cone which is convex leftwards, the seventh oil hole (1.12) of the first block body extends rightwards from the center of the cone and is communicated with the third oil hole (1.6) of the first block body, and the counter bore on one side of the seventh oil hole (1.12) of the first block body is provided with a first block body positioning hole (1.14) towards the right.
8. The spray pump body according to claim 1, characterized in that the left end face of the eighth oil hole (1.13) of the first block is provided with a ring of convex ring, and a concave sealing ring embedding counter bore is arranged outside the convex ring.
CN201710292066.6A 2017-04-28 2017-04-28 Liquid spraying pump body Active CN106958474B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710292066.6A CN106958474B (en) 2017-04-28 2017-04-28 Liquid spraying pump body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710292066.6A CN106958474B (en) 2017-04-28 2017-04-28 Liquid spraying pump body

Publications (2)

Publication Number Publication Date
CN106958474A CN106958474A (en) 2017-07-18
CN106958474B true CN106958474B (en) 2023-03-21

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Application Number Title Priority Date Filing Date
CN201710292066.6A Active CN106958474B (en) 2017-04-28 2017-04-28 Liquid spraying pump body

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0742810U (en) * 1993-12-28 1995-08-11 油谷重工株式会社 Block device for piping connection of pilot circuit
JPH1172061A (en) * 1997-06-30 1999-03-16 Unisia Jecs Corp Fuel pressurizing pump
CN105781976A (en) * 2014-12-26 2016-07-20 无锡市锡达摩擦材料厂 Three-plunger pipe type cylinder structure
CN106401903A (en) * 2016-10-28 2017-02-15 安徽福马汽车零部件集团有限公司 Dual-oil-path plunger pump body of turning control mechanism of heavy truck cab

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0742810U (en) * 1993-12-28 1995-08-11 油谷重工株式会社 Block device for piping connection of pilot circuit
JPH1172061A (en) * 1997-06-30 1999-03-16 Unisia Jecs Corp Fuel pressurizing pump
CN105781976A (en) * 2014-12-26 2016-07-20 无锡市锡达摩擦材料厂 Three-plunger pipe type cylinder structure
CN106401903A (en) * 2016-10-28 2017-02-15 安徽福马汽车零部件集团有限公司 Dual-oil-path plunger pump body of turning control mechanism of heavy truck cab

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