CN213711993U - Long service life's superhigh pressure hydraulically controlled check valve - Google Patents

Long service life's superhigh pressure hydraulically controlled check valve Download PDF

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Publication number
CN213711993U
CN213711993U CN202021878361.3U CN202021878361U CN213711993U CN 213711993 U CN213711993 U CN 213711993U CN 202021878361 U CN202021878361 U CN 202021878361U CN 213711993 U CN213711993 U CN 213711993U
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China
Prior art keywords
ball core
hole
rod
core sleeve
push rod
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Application number
CN202021878361.3U
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Chinese (zh)
Inventor
宋浩
王应帅
赵自勇
蔡玉乐
李国平
陈衍群
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Henan Huanghe Whirlwind Co Ltd
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Henan Huanghe Whirlwind Co Ltd
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Priority to CN202021878361.3U priority Critical patent/CN213711993U/en
Application granted granted Critical
Publication of CN213711993U publication Critical patent/CN213711993U/en
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Abstract

The utility model relates to a synthetic hydraulic control check valve technical field that uses of cubic press diamond, the name is long service life's superhigh pressure hydraulic control check valve, including casing, left shutoff piece, spring, ball core cover, ball core, push rod, right shutoff piece, the casing upper left side first oil opening has, the casing left side below have the second oil opening, the casing right side below have a pair of control hydraulic fluid port, be first control hydraulic fluid port and second control hydraulic fluid port respectively, the casing is inside to have the cavity structure. The ultrahigh pressure pilot operated check valve has the advantages of enhanced sealing capability and abrasion resistance.

Description

Long service life's superhigh pressure hydraulically controlled check valve
Technical Field
The utility model relates to a cubic apparatus press diamond synthesis equipment, concretely relates to super high pressure liquid accuse check valve among its hydraulic system.
Background
The cubic apparatus press belongs to hydraulic transmission machinery, and needs to provide the ultrahigh pressure required by the synthesis of the artificial diamond by a hydraulic system. The ultrahigh pressure hydraulic control one-way valve is an important component valve of a hydraulic system, plays an important role in pressure maintaining and releasing in the hydraulic system, bears huge pressure and needs frequent starting, and tends to cause rapid abrasion and deformation of a valve core sleeve and a valve core sealing edge, so that pressure drop is easily caused in the synthesis process; the valve core sleeve and the valve core in sealing contact in the prior art are in line sealing, have the defects of easy oil leakage and easy damage, and the valve core sleeve needs to be frequently replaced and maintained to influence the ordered production.
Disclosure of Invention
The utility model provides a super high pressure pilot operated check valve which can enhance the pressure maintaining ability and prolong the service life of the valve core sleeve, namely a super high pressure pilot operated check valve with long service life.
The utility model adopts the technical proposal that: the ultrahigh pressure hydraulic control one-way valve with long service life comprises a shell, a left plugging piece, a spring, a ball core sleeve, a ball core, a push rod and a right plugging piece, wherein a first oil through hole is formed in the left upper surface of the shell, a second oil through hole is formed in the left lower surface of the shell, a pair of control oil ports, namely a first control oil port and a second control oil port, are formed in the right lower surface of the shell, a cavity structure is formed in the shell, namely a ball core sleeve mounting cavity, a straight rod movable hole and a push rod plug movable cavity from left to right are formed in the shell, the ball core sleeve mounting cavity, the straight rod movable hole and the push rod plug movable cavity are sequentially communicated from left to right, the left end of the ball core sleeve mounting cavity is buckled with the left plugging piece and sealed tightly, and the right end of the push rod plug; the upper surface of the ball core sleeve mounting cavity is communicated with the first oil through hole, the lower surface of the straight rod movable hole is communicated with the second oil through hole, the push rod is arranged in the cavity, the push rod is of a T-shaped structure and comprises a straight rod and a push rod plug, the straight rod is located in the straight rod movable hole, and the push rod plug is arranged in the push rod plug movable cavity and can move left and right through a piston so as to drive the straight rod to move left and right in the straight rod movable hole; the left part of the straight rod is a thin rod, the right part of the straight rod is a thick rod, the thick rod is in sealing fit with the moving hole of the straight rod, the thin rod is smaller than the moving hole of the straight rod to form a gap part, and the second oil through hole is communicated with the gap part;
the ball core sleeve is arranged in the ball core sleeve mounting cavity, the ball core sleeve is of a hollow structure, the ball core sleeve is in airtight contact with the ball core sleeve mounting cavity, the ball core is arranged in the ball core sleeve, a third through hole is formed in the upper end of the ball core sleeve and is communicated with the first oil through hole, a fourth through hole is formed in the right end of the ball core sleeve and is communicated with the straight rod movable hole, the left end of the straight rod extends into the fourth through hole leftwards and is in contact with the ball core, a spring telescopic rod is arranged at the left end in the ball core sleeve, the right end of the spring telescopic rod is in contact with the ball core, the spring telescopic rod is in a state of pushing against the ball core in a natural state, and the ball core blocks the; the second control hydraulic fluid port is located the push rod and fills up below the right side, and the first control hydraulic fluid port is located push rod and fills up below the left side, characterized by: the contact position of the fourth through hole and the ball core is an inner fillet surface with the same diameter as the ball core.
The beneficial effects of the utility model are that, such superhigh pressure liquid accuse check valve has the advantage of reinforcing sealing ability and ability of resistance to wears.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the housing of the present invention.
Fig. 3 is a schematic view of the ball core sleeve and the spring telescopic rod of the present invention.
Fig. 4 is an enlarged schematic view at a in fig. 1.
Wherein: 1. the oil-gas separation device comprises a shell 2, a first oil through hole 3, a second oil through hole 4, a first control oil port 5, a second control oil port 6, a cavity structure 61, a ball core sleeve installation cavity 62, a straight rod movable hole 63, a push rod plug movable cavity 7, a left blocking piece 8, a right blocking piece 9, a push rod 91, a straight rod 92, a push rod plug 91a, a thin rod 91b, a thick rod 10, a gap part 11, a ball core sleeve 12, a ball core 13, a third through hole 14, a fourth through hole 15, a spring telescopic rod 16, an inner fillet surface 17 and rubber.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, 2, 3 and 4, the ultrahigh pressure hydraulic control check valve with long service life comprises a housing 1, a left blocking piece 7, a spring, a ball core sleeve 11, a ball core 12, a push rod 9 and a right blocking piece 8, wherein a first oil through hole 2 is formed in the upper left surface of the housing 1, a second oil through hole 3 is formed in the lower left surface of the housing, a pair of control oil ports, namely a first control oil port 4 and a second control oil port 5, are formed in the lower right surface of the housing, a cavity structure 6 is arranged in the housing, namely a ball core sleeve mounting cavity 61, a straight rod movable hole 62 and a push rod plug movable cavity 63 are respectively communicated from left to right, the ball core sleeve mounting cavity 61, the straight rod movable hole 62 and the push rod plug movable cavity 63 are sequentially communicated from left to right, the left end of the ball core sleeve mounting cavity is buckled with the left blocking piece 7 and sealed tightly, and the right end of the push rod plug movable; the upper surface of the ball core sleeve mounting cavity 61 is communicated with the first oil through hole 2, the lower surface of the straight rod movable hole 62 is communicated with the second oil through hole 3, the push rod 9 is arranged in the cavity, the push rod is of a T-shaped structure and comprises a straight rod 91 and a push rod plug 92, the straight rod is located in the straight rod movable hole, the push rod plug is arranged in the push rod plug movable cavity and can move left and right through a piston so as to drive the straight rod to move left and right in the straight rod movable hole; the left part of the straight rod is a thin rod 91a, the right part of the straight rod is a thick rod 91b, the thick rod is in sealing fit with the straight rod movable hole 62, the thin rod is smaller than the straight rod movable hole to form a gap part 10, and the second oil through hole 3 is communicated with the gap part;
the ball core sleeve 11 is arranged in the ball core sleeve mounting cavity, the ball core sleeve is of a hollow structure, the ball core sleeve is in airtight contact with the ball core sleeve mounting cavity, the ball core 12 is arranged inside the ball core sleeve, the upper end of the ball core sleeve is provided with a third through hole 13, the third through hole is communicated with the first oil through hole 2, the right end of the ball core sleeve is provided with a fourth through hole 14, the fourth through hole is communicated with a straight rod moving hole 62, the left end of the straight rod extends into the fourth through hole leftwards and is in contact with the ball core, the left end of the inner part of the ball core sleeve is provided with a spring telescopic rod 15, the right end of the spring telescopic rod is in contact with the ball core 12, the spring telescopic rod is in a state of pushing against the ball core; the second control hydraulic fluid port 5 is located the push rod and fills up below the right side, and first control hydraulic fluid port is located push rod and fills up below the left side, characterized by: the contact position of the fourth through hole 14 and the ball core is a fillet surface 16 with the same diameter as the ball core.
The utility model discloses a use method is: if the first oil port 2 and the second oil port 3 work as a general check valve regardless of the first control port 4 and the second control port 5, oil can flow only from the second oil port to the first oil port and cannot flow from the first oil port to the second oil port; if liquid is introduced into the second control oil port, the liquid pushes the push rod open leftwards from right to left as shown by an arrow a, the ball core is pushed open by the push rod, and the one-way valve is changed into two ways and can pass through the ball core.
The utility model discloses a check valve advantage as follows, and the theory of use is the same with general ball core check valve, and the difference is, fourth through hole department and the position of ball core contact be with the interior fillet face of ball core isodiametric, with the contact of ball core be exactly face contact, just so increased area of contact, strengthened sealing capacity and wear-resistant ability.
Furthermore, the contact position of the fourth through hole and the ball core is embedded with rubber 17.
The above description is only for the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims (2)

1. The ultrahigh pressure hydraulic control one-way valve with long service life comprises a shell, a left end plugging piece, a spring, a ball core sleeve, a ball core, a push rod and a right plugging piece, wherein a first oil through hole is formed in the left upper surface of the shell, a second oil through hole is formed in the left lower surface of the shell, a pair of control oil ports, namely a first control oil port and a second control oil port, are formed in the right lower surface of the shell, a cavity structure is arranged in the shell, and respectively comprises a ball core sleeve mounting cavity, a straight rod movable hole and a push rod plug movable cavity from left to right, the ball core sleeve mounting cavity, the straight rod movable hole and the push rod plug movable cavity are sequentially communicated from left to right, the left end of the ball core sleeve mounting cavity is buckled with the left plugging piece and tightly sealed, and the right end of the push rod plug movable cavity is buckled with the right plugging piece and tightly; the upper surface of the ball core sleeve mounting cavity is communicated with the first oil through hole, the lower surface of the straight rod movable hole is communicated with the second oil through hole, a push rod is arranged in the cavity, the push rod is of a T-shaped structure and comprises a straight rod and a push rod plug, the straight rod is positioned in the straight rod movable hole, the push rod plug is arranged in the push rod plug movable cavity and can move left and right through a piston so as to drive the straight rod to move left and right in the straight rod movable hole; the left part of the straight rod is a thin rod, the right part of the straight rod is a thick rod, the thick rod is in sealing fit with the moving hole of the straight rod, the thin rod is smaller than the moving hole of the straight rod to form a gap part, and the second oil through hole is communicated with the gap part;
the ball core sleeve is arranged in the ball core sleeve mounting cavity, the ball core sleeve is of a hollow structure, the ball core sleeve is in sealed contact with the ball core sleeve mounting cavity, a ball core is arranged in the ball core sleeve, a third through hole is formed in the upper end of the ball core sleeve, the third through hole is communicated with the first oil through hole, a fourth through hole is formed in the right end of the ball core sleeve, the fourth through hole is communicated with the straight rod movable hole, the left end of the straight rod extends into the fourth through hole leftwards and is in contact with the ball core, a spring telescopic rod is arranged at the left end in the ball core sleeve, the right end of the spring telescopic rod is in contact with the ball core, the spring telescopic rod is in a state of pushing against the ball core in a natural state, and the ball core blocks the fourth through hole at the moment; the second control oil port is located below the right side of the push rod plug, and the first control oil port is located below the left side of the push rod plug, and is characterized in that: the contact position of the fourth through hole and the ball core is an inner fillet surface with the same diameter as the ball core.
2. The ultrahigh pressure pilot operated check valve according to claim 1, wherein rubber is embedded at a position where the fourth through hole contacts with the ball core.
CN202021878361.3U 2020-09-02 2020-09-02 Long service life's superhigh pressure hydraulically controlled check valve Active CN213711993U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021878361.3U CN213711993U (en) 2020-09-02 2020-09-02 Long service life's superhigh pressure hydraulically controlled check valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021878361.3U CN213711993U (en) 2020-09-02 2020-09-02 Long service life's superhigh pressure hydraulically controlled check valve

Publications (1)

Publication Number Publication Date
CN213711993U true CN213711993U (en) 2021-07-16

Family

ID=76791948

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021878361.3U Active CN213711993U (en) 2020-09-02 2020-09-02 Long service life's superhigh pressure hydraulically controlled check valve

Country Status (1)

Country Link
CN (1) CN213711993U (en)

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