CN114934899A - Novel valve body valve seat metal sealing mechanism - Google Patents

Novel valve body valve seat metal sealing mechanism Download PDF

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Publication number
CN114934899A
CN114934899A CN202210627916.4A CN202210627916A CN114934899A CN 114934899 A CN114934899 A CN 114934899A CN 202210627916 A CN202210627916 A CN 202210627916A CN 114934899 A CN114934899 A CN 114934899A
Authority
CN
China
Prior art keywords
valve
hole
valve body
bottom plate
seat
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
CN202210627916.4A
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Chinese (zh)
Inventor
杨建�
祁栋雍
贾艳杰
徐超
王珠玲
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.)
Jianhu Jintuo Machinery Manufacturing Co ltd
Original Assignee
Jianhu Jintuo Machinery Manufacturing 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 Jianhu Jintuo Machinery Manufacturing Co ltd filed Critical Jianhu Jintuo Machinery Manufacturing Co ltd
Priority to CN202210627916.4A priority Critical patent/CN114934899A/en
Publication of CN114934899A publication Critical patent/CN114934899A/en
Pending legal-status Critical Current

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    • 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
    • F04B53/10Valves; Arrangement of valves
    • F04B53/1087Valve seats

Abstract

The invention discloses a novel valve body valve seat metal sealing mechanism, which comprises: the valve assembly comprises a valve body, a valve seat and a valve rubber sheet, in particular, the valve body is provided with a wedge-shaped outer surface, the valve rubber is arranged on the valve body and positioned above the wedge-shaped outer surface, a valve hole and a conical hole are designed in the valve seat, the conical hole is positioned above the valve hole, the valve body is arranged in the valve seat, so that the wedge-shaped outer surface and the valve rubber are contacted with the hole wall of the conical hole, when the valve assembly is installed in the liquid end assembly for use, the liquid flows through the reciprocating movement of the valve body in the valve seat, the wedge-shaped outer surface is designed on the valve body so that the wedge-shaped outer surface can contact the hole wall of the tapered hole, meanwhile, the valve rubber positioned above the wedge-shaped outer surface also contacts the hole wall of the conical hole, so that when the sealing is realized, the valve rubber is prevented from being over-stressed, and the service life of the valve rubber is prolonged.

Description

Novel valve body valve seat metal sealing mechanism
Technical Field
The invention relates to the technical field of civil engineering, in particular to a novel valve metal sealing mechanism.
Background
The valve assembly is a one-way valve assembly applied to the hydraulic end of the fracturing pump and is an important component of the hydraulic end of the fracturing pump. The valve assembly consists of a valve body, a valve rubber sheet and a valve seat, wherein the valve rubber sheet and the valve body are two quick-wear parts with the shortest service life in a hydraulic end. In the prior art, an O-shaped valve rubber is usually used, which is mounted on a valve body and directly contacts with a valve seat, and is pressed by the valve body during movement. When the valve rubber is in a high-pressure operation state, the larger the extrusion force applied to the valve rubber is, the larger the deformation of the valve rubber in the radial direction is, and the larger the contact area between the valve rubber and the valve seat is, so as to achieve a sealing effect. Therefore, there is a need for a new type of metal valve seat sealing mechanism that at least partially solves the problems of the prior art.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides a novel metal valve seat sealing mechanism, comprising: the valve assembly comprises a valve body, a valve seat and a valve rubber sheet, wherein a wedge-shaped outer surface is arranged on the valve body, the valve rubber sheet is arranged on the valve body and located above the wedge-shaped outer surface, a valve hole and a conical hole are formed in the valve seat, the conical hole is located above the valve hole, and the valve body is arranged in the valve seat, so that the wedge-shaped outer surface and the valve rubber sheet are in contact with the hole wall of the conical hole.
According to the novel valve body valve seat metal sealing mechanism provided by the embodiment of the invention, the valve body comprises a valve disc, a valve column and a valve cover, the valve column is arranged at the upper end of the valve disc, the outer wall of the valve disc is arranged to be a wedge-shaped outer surface, the valve rubber is arranged on the valve column, and the valve cover is screwed on the valve column and abuts against the valve rubber.
According to the novel metal sealing mechanism for the valve body valve seat, the lower end of the valve cover is provided with the plurality of guide blocks, and the outer walls of the guide blocks are provided with the guide surfaces, so that the guide surfaces correspond to the valve holes.
According to the novel valve body valve seat metal sealing mechanism provided by the embodiment of the invention, the valve disc is provided with an upper swash plate surface, a plurality of concentric annular grooves are formed in the upper swash plate surface, and the valve rubber is provided with a lower inclined surface corresponding to the upper swash plate surface.
According to the novel valve body valve seat metal sealing mechanism provided by the embodiment of the invention, the valve rubber is provided with a downward inclined disc surface corresponding to the hole wall of the conical hole.
According to the novel valve body valve seat metal sealing mechanism provided by the embodiment of the invention, the valve rubber sheet is provided with an upper inclined inner surface corresponding to the lower surface of the valve cover.
According to the novel valve body valve seat metal sealing mechanism provided by the embodiment of the invention, the valve assembly is arranged in a hydraulic end assembly, the hydraulic end assembly comprises a hydraulic seat and a hydraulic column, a leading-in hole, a flow guide cavity, a leading-out hole and an observation hole are arranged in the hydraulic seat, the leading-in hole is arranged on one side of the flow guide cavity, the leading-out hole is arranged on the other end of the flow guide cavity, the valve assembly is arranged in the leading-out hole, an auxiliary valve part is arranged in the leading-in hole, the hydraulic column is connected with an external power end and movably arranged in the flow guide cavity, the observation hole is arranged at one end of the flow guide cavity, and an observation module is arranged in the observation hole
According to the novel valve body seat metal sealing mechanism provided by the embodiment of the invention, a support module is arranged at the bottom of the external power end, the support module comprises a first bottom plate, a second bottom plate, a third bottom plate, an intermediate support mechanism and a plurality of auxiliary support mechanisms, the first bottom plate is arranged at the bottom of the external power end, the second bottom plate is arranged at the bottom of the first bottom plate, the intermediate support mechanism and the plurality of auxiliary support mechanisms are arranged between the second bottom plate and the third bottom plate, the intermediate support mechanism comprises an intermediate support column, an intermediate sliding cylinder, an intermediate elastic block and a T-shaped fixing rod, the intermediate support column is arranged on the third bottom plate, the bottom of the intermediate elastic block is provided with a bottom groove, the upper end of the intermediate support column extends into the bottom groove, and the intermediate sliding cylinder is arranged at the bottom of the third bottom plate, the middle elastic block is sleeved with the T-shaped fixing rod, an inner fixing groove is formed in the upper end of the middle elastic block, an inner fixing seat is arranged in the inner fixing groove, a T-shaped through hole corresponding to the inner fixing groove is formed in the second bottom plate, the T-shaped fixing rod penetrates through the T-shaped through hole and extends to be connected with an inner connecting groove of the inner fixing seat, and the auxiliary supporting mechanisms are uniformly distributed around the middle supporting mechanism.
According to the novel metal sealing mechanism for the valve seat of the valve body, disclosed by the embodiment of the invention, the auxiliary supporting mechanism comprises a vertical telescopic column, a vertical telescopic cylinder, an inner telescopic spring and a plurality of outer hoop rings, the vertical telescopic cylinder comprises a left cylinder shell and a right cylinder shell, the left cylinder shell and the right cylinder shell are connected through the plurality of outer hoop rings, inner arc-shaped clamping plates are arranged at the upper ends of the left cylinder shell and the right cylinder shell, a shielding ring is arranged between the two inner arc-shaped clamping plates, an anti-collision ring is arranged at the bottom of the shielding ring, the inner telescopic spring is arranged in the vertical telescopic cylinder, the lower end of the vertical telescopic column penetrates through the shielding ring and the anti-collision ring and is connected with a pressing plate, and the upper end of the inner telescopic spring abuts against the pressing plate.
According to the novel metal sealing mechanism for the valve seat of the valve body, the outer hoop comprises two semicircular hoop bodies, fin plates are arranged at the end parts of the semicircular hoop bodies, the two fin plates are connected through a fixing rod, anti-moving holes are formed in the semicircular hoop bodies, left anti-moving blocks and right anti-moving blocks are arranged on the outer walls of the left cylinder shell and the right cylinder shell, and the left anti-moving blocks and the right anti-moving blocks extend into the anti-moving holes; the bottom of left side section of thick bamboo shell, right side section of thick bamboo shell is provided with trapezoidal anti-moving block respectively, be provided with trapezoidal anti-moving groove on the third bottom plate, two trapezoidal anti-moving block extends to in the trapezoidal anti-moving groove.
Compared with the prior art, the invention at least comprises the following beneficial effects:
the invention provides a novel valve metal sealing mechanism, which comprises: the valve assembly comprises a valve body, a valve seat and a valve rubber sheet, in particular, the valve body is provided with a wedge-shaped outer surface, the valve rubber is arranged on the valve body and positioned above the wedge-shaped outer surface, a valve hole and a conical hole are designed in the valve seat, the conical hole is positioned above the valve hole, the valve body is arranged in the valve seat, so that the valve rubber sheet outside the wedge-shaped surface contacts the hole wall of the conical hole, when the valve assembly is installed in the liquid end assembly for use, the liquid flows through the reciprocating movement of the valve body in the valve seat, the wedge-shaped outer surface is designed on the valve body so that the wedge-shaped outer surface can contact the hole wall of the tapered hole, meanwhile, the valve rubber positioned above the wedge-shaped outer surface also contacts the hole wall of the conical hole, so that when the sealing is realized, the valve rubber is prevented from being over-stressed, and the service life of the valve rubber is prolonged.
Additional advantages, objects, and features of the novel valve seat metal seal mechanism of the present invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a schematic structural view of a valve seat in the present invention.
FIG. 3 is a schematic structural diagram of a valve rubber sheet according to the present invention.
FIG. 4 is a schematic structural diagram of a valve body according to the present invention.
Fig. 5 is an enlarged structural view of a portion a in fig. 4 according to the present invention.
FIG. 6 is a schematic diagram of a fluid end assembly of the present invention.
Fig. 7 is a schematic structural diagram of the support module of the present invention.
Fig. 8 is a schematic view of the internal structure of the support module of the present invention.
Fig. 9 is an enlarged structural view of the portion B of fig. 7 according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 5, the present invention provides a novel valve body metal sealing mechanism, which comprises: the valve assembly 100 comprises a valve body 1, a valve seat 2 and a valve rubber 3, wherein a wedge-shaped outer face 11 is arranged on the valve body 1, the valve rubber 3 is arranged on the valve body 1 and located above the wedge-shaped outer face 11, a valve hole 21 and a tapered hole 22 are arranged in the valve seat 2, the tapered hole 22 is located above the valve hole 21, and the valve body 1 is arranged in the valve seat 2, so that the wedge-shaped outer face 11 and the valve rubber 3 are in contact with the hole wall of the tapered hole 22.
The working principle and the beneficial effects of the technical scheme are as follows: the invention provides a novel valve body metal sealing mechanism, which comprises: the valve assembly 100 comprises a valve body 1, a valve seat 2 and a valve rubber sheet 3, specifically, the valve body 1 is provided with a wedge-shaped outer surface 11, the valve rubber sheet 3 is arranged on the valve body 1 and is positioned above the wedge-shaped outer surface 11, meanwhile, a valve hole 21 and a conical hole 22 are designed in the valve seat 2, the conical hole 22 is positioned above the valve hole 21, the valve body 1 is arranged in the valve seat 2, so that the wedge-shaped outer surface 11 and the valve rubber sheet 3 are contacted with the hole wall of the conical hole 22, when the valve assembly 100 is arranged in a liquid end assembly 4 for use, the liquid flow is realized through the reciprocating movement of the valve body 1 in the valve seat 2, the wedge-shaped outer surface 11 is designed on the valve body 1 to be contacted with the hole wall of the conical hole 22, and the hole wall 3 positioned above the wedge-shaped outer surface 11 is also contacted with the hole wall of the conical hole 22, when realizing sealed, prevent to receive valve rubber 3's pressure too big, and then prolonged the life of valve rubber 3.
In one embodiment, the valve body 1 comprises a valve disc 12, a valve column 13 and a valve cover 14, the valve column 13 is arranged at the upper end of the valve disc 12, the outer wall of the valve disc 12 is provided with a wedge-shaped outer surface 11, the valve rubber 3 is arranged on the valve column 13, and the valve cover 14 is screwed on the valve column 13 and abuts against the valve rubber 3.
The working principle and the beneficial effects of the technical scheme are as follows: the embodiment provides a specific structure of the valve body 1, the valve body 1 of the structure comprises a valve disc 12, a valve column 13 and a valve cover 14, specifically, the valve column 13 is installed at the upper end of the valve disc 12, the outer wall of the valve disc 12 is designed to be the wedge-shaped outer surface 11, the valve rubber sheet 3 is sleeved on the valve column 13, an external thread is arranged on the valve column 13, the valve cover 14 is screwed on the external thread of the valve column 13, the valve rubber sheet 3 is abutted against the upper end of the valve disc 12, and the valve rubber sheet 3 is tightly fixed, so that the valve body 1 can be well sealed.
In one embodiment, the lower end of the valve cover 14 is provided with a plurality of guide blocks 15, and guide surfaces 16 are provided on the outer walls of the guide blocks 15 such that the guide surfaces 16 correspond to the valve holes 21.
The working principle and the beneficial effects of the technical scheme are as follows: in this embodiment, the lower end of the valve cover 14 is provided with the plurality of guide blocks 15, and here, the outer wall of each guide block 15 is provided with the guide surface 16, so that the guide surfaces 16 correspond to the valve hole 21, the liquid can push the valve cover 14 to move, and the guide surfaces 16 on the guide blocks 15 can slide on the inner wall of the valve hole 21, so that the reciprocating movement of the valve body 1 is realized.
In one embodiment, the valve disc 12 has an upper swash plate surface 17, the upper swash plate surface 17 is provided with a plurality of concentric annular grooves 171, and the valve rubber 3 has a lower swash plate surface 31 corresponding to the upper swash plate surface 17.
The working principle and the beneficial effects of the technical scheme are as follows: in the embodiment, the valve disc 12 is provided with the upper swash plate surface 17, the valve rubber 3 is fixed by the valve cover 14, so that the lower swash plate surface 31 of the valve rubber 3 is tightly attached to the upper swash plate surface 17 of the valve disc 12, and in order to prevent the valve rubber 3 from loosening, the upper swash plate surface 17 is provided with a plurality of concentric annular grooves 171, so that the deformed part of the valve rubber 3 after being extruded is embedded into the annular grooves 171, the friction force between the valve rubber 3 and the upper swash plate surface 17 is increased, and the valve rubber 3 is prevented from loosening.
In one embodiment, the valve rubber 3 has a lower inclined disc surface 32 corresponding to the wall of the tapered hole 22. Further, the valve rubber 3 has an upwardly inclined inner surface 33 corresponding to a lower surface of the valve cover 14.
The working principle and the beneficial effects of the technical scheme are as follows: in this embodiment, the valve rubber 3 has a lower inclined disc surface 32 corresponding to the hole wall of the tapered hole 22 and an upper inclined inner surface 33 corresponding to the lower surface of the valve cover 14, so that the valve rubber 3 can be fixed in the valve body 1, and meanwhile, the valve rubber 3 can better contact with the hole wall of the tapered hole 22 to realize sealing.
As shown in fig. 6 to 9, in an embodiment, the valve assembly 100 is disposed in a fluid end assembly 4, the fluid end assembly 4 includes a fluid seat 41 and a fluid column 42, an introduction hole 411, a diversion cavity 412, an introduction hole 413, and an observation hole 414 are disposed in the fluid seat 41, the introduction hole 411 is disposed at one side of the diversion cavity 412, the introduction hole 413 is disposed at the other end of the diversion cavity 412, the valve assembly 100 is disposed in the introduction hole 413, an auxiliary valve portion 200 is disposed in the introduction hole 411, the fluid column 42 is connected to an external power end 40 and movably disposed in the diversion cavity 412, the observation hole 414 is disposed at one end of the diversion cavity 412, and an observation module 415 is disposed in the observation hole 414.
The working principle and the beneficial effects of the technical scheme are as follows: the embodiment provides a hydraulic end assembly 4, the valve assembly 100 is installed on the hydraulic end assembly 4 for working, where the hydraulic end assembly 4 includes a hydraulic seat 41 and a hydraulic column 42, an introduction hole 411, a diversion cavity 412, an exit hole 413 and an observation hole 414 are formed in the hydraulic seat 41, where the introduction hole 411 is located at one side of the diversion cavity 412, the exit hole 413 is located at the other end of the diversion cavity 412, the valve assembly 100 is installed in the exit hole 413, an auxiliary valve part is installed in the introduction hole 411, and the hydraulic column 42 is movably reciprocated in the diversion cavity 412 through an external power part, so when the hydraulic column 42 moves outwards in the diversion cavity 412, the inside of the diversion cavity 412 is in a negative pressure state, and the auxiliary valve part is opened to allow low-pressure liquid to enter the diversion cavity 412; then, when the hydraulic column 42 moves inwards in the flow guide cavity 412, the interior of the flow guide cavity 412 is in a high-pressure state, so that the low-pressure liquid is pushed to the guide hole 413, and the valve assembly 100 is opened, so that the low-pressure liquid is discharged in a high-pressure state after being pressed; and the observation hole 414 is arranged at one end of the diversion cavity 412, and an observation module 415 is installed in the observation hole 414, so that a worker can conveniently check the action condition inside the hydraulic end assembly 4.
In one embodiment, a support module 5 is disposed at the bottom of the external power end 40, the support module 5 includes a first bottom plate 51, a second bottom plate 52, a third bottom plate 53, an intermediate support mechanism 54 and a plurality of auxiliary support mechanisms 55, the first bottom plate 51 is disposed at the bottom of the external power end 40, the second bottom plate 52 is disposed at the bottom of the first bottom plate 51, the intermediate support mechanism 54 and the plurality of auxiliary support mechanisms 55 are disposed between the second bottom plate 52 and the third bottom plate 53, the intermediate support mechanism 54 includes an intermediate support post 541, an intermediate slide tube 542, an intermediate elastic block 543 and a T-shaped fixing rod 544, the intermediate support post 541 is disposed on the third bottom plate 53, a bottom groove 545 is disposed at the bottom of the intermediate elastic block 543, the upper end of the intermediate support post 541 extends into the bottom groove 545, and the intermediate slide tube 542 is disposed at the bottom of the third bottom plate 53, the middle elastic block 543 is sleeved with the middle elastic block 543, an inner fixing groove 546 is formed in the upper end of the middle elastic block 543, an inner fixing seat 547 is formed in the inner fixing groove 546, a T-shaped through hole 548 corresponding to the inner fixing groove 546 is formed in the second base plate 52, the T-shaped fixing rod 544 penetrates through the T-shaped through hole 548 and extends to be connected with an inner connecting groove 549 of the inner fixing seat 547, and the auxiliary supporting mechanisms 55 are uniformly distributed around the middle supporting mechanism 54.
The working principle and the beneficial effects of the technical scheme are as follows: in the embodiment, the supporting module 5 is designed at the bottom of the external power end 40, and the supporting module 5 can better support the external power end 40, so that the working effect is prevented from being influenced by the deflection or shaking of the external power end 40 in the working process;
the support module 5 comprises a first base plate 51, a second base plate 52, a third base plate 53, an intermediate support mechanism 54 and a plurality of auxiliary support mechanisms 55, specifically, the first base plate 51 is mounted at the bottom of the external power end 40, the second base plate 52 is mounted at the bottom of the first base plate 51, the second base plate 52 is fixed at the bottom of the first base plate 51 through a plurality of inverted T-shaped fixing rods 521, and the intermediate support mechanism 54 and the plurality of auxiliary support mechanisms 55 are mounted between the second base plate 52 and the third base plate 53;
wherein, the middle supporting mechanism 54 includes a middle supporting post 541, a middle sliding tube 542, a middle elastic block 543 and a T-shaped fixing rod 544, the middle supporting post 541 is installed on the third bottom plate 53, the bottom of the middle elastic block 543 is provided with a bottom groove 545, the upper end of the middle supporting post 541 extends into the bottom groove 545 to support the middle elastic block 543, it can be understood that the middle elastic block 543 has a large deformation and expansion capability, the middle sliding tube 542 is installed at the bottom of the third bottom plate 53 and is sleeved on the middle elastic block 543, the upper end of the middle elastic block 543 is provided with an inner fixing groove 546, an inner fixing seat 547 is installed in the inner fixing groove 546, meanwhile, a T-shaped through hole 548 corresponding to the inner fixing groove 546 is provided on the second bottom plate 52, the T-shaped fixing rod 544 penetrates through the T-shaped through hole 548 and extends into the inner fixing groove 549 of the inner fixing seat 547, thus fixing the middle elastic block 543 to the bottom of the second bottom plate 52, therefore, when the second base plate 52 is pressed downward, the middle elastic block 543 is accumulated, and the middle elastic block 543 deforms in the middle sliding tube 542 to provide a supporting force, and the plurality of auxiliary supporting mechanisms 55 around the middle supporting mechanism 54 can support the second base plate 52 to prevent the supporting module 5 from being inclined, thereby preventing the external power end 40 from being inclined.
In one embodiment, the auxiliary supporting mechanism 55 includes a vertical telescopic post 551, a vertical telescopic cylinder 552, an inner telescopic spring 553 and a plurality of outer hoops 554, the vertical telescopic cylinder 552 includes a left cylinder shell 5521 and a right cylinder shell 5522, the left cylinder shell 5521 and the right cylinder shell 5522 are connected by the plurality of outer hoops 554, inner arc-shaped clamping plates 5523 are respectively arranged at the upper ends of the left cylinder shell 5521 and the right cylinder shell 5522, a shielding ring 555 is arranged between the two inner arc-shaped clamping plates 5523, an anti-collision ring 556 is arranged at the bottom of the shielding ring 555, the inner telescopic spring 553 is arranged in the vertical telescopic cylinder 552, the lower end of the vertical telescopic post 551 passes through the shielding ring 555 and the anti-collision ring 556 and is connected with a pressure plate 557, and the upper end of the inner telescopic spring 553 abuts against the pressure plate 557.
The working principle and the beneficial effects of the technical scheme are as follows: the embodiment provides a specific structure of the auxiliary supporting mechanism 55, the auxiliary supporting mechanism 55 of the structure includes a vertical telescopic column 551, a vertical telescopic cylinder 552, an inner telescopic spring 553 and a plurality of outer hoops 554, specifically, the vertical telescopic cylinder 552 includes a left cylinder shell 5521 and a right cylinder shell 5522, the left cylinder shell 5521 and the right cylinder shell 5522 are connected through the plurality of outer hoops 554, the plurality of outer hoops 554 are sleeved on the outer wall of the vertical telescopic cylinder 552 from top to bottom, and the inner telescopic spring 553 inside the vertical telescopic cylinder 552 can be conveniently and subsequently replaced by detaching the vertical telescopic cylinder 552 through the design of the left cylinder shell 5521 and the right cylinder shell 5522;
further, inner arc-shaped clamping plates 5523 are arranged at the upper ends of the left cylinder shell 5521 and the right cylinder shell 5522, wherein the two inner arc-shaped clamping plates 5523 play a fixing role at the upper ends, a shielding ring 555 is arranged between the two inner arc-shaped splints 5523, and an anti-collision ring 556 is designed at the bottom of the shielding ring 555, so that the anti-collision ring 556 is positioned below the two inner arc-shaped splints 5523, the inner telescopic spring 553 is installed in the vertical telescopic cylinder 552, the upper end of the vertical telescopic post 551 is connected with the second bottom plate 52, the lower end of the vertical telescopic post 551 passes through the shielding ring 555, the anti-collision ring 556 and is connected with the pressing plate 557, the upper end of the inner telescopic spring 553 abuts against the pressing plate 557 to support the vertical telescopic post 551, and a plurality of auxiliary supporting mechanisms 55 elastically support the second base plate 52, so that a stable supporting effect is provided for the whole external power end 40, and the influence of the inclination or the left-right shaking of the external power end 40 on the using effect is avoided.
In one embodiment, the outer hoop 554 comprises two semicircular hoop bodies 5541, the ends of the semicircular hoop bodies 5541 are provided with fins 558, the two fins 558 are connected through a fixing rod 559, the semicircular hoop bodies 5541 are provided with anti-moving holes 560, the outer walls of the left and right cylindrical shells 5521, 5522 are provided with left and right anti-moving blocks 561, 562, and the left and right anti-moving blocks 561, 562 extend into the anti-moving holes 560; the bottom of the left cylinder shell 5521 and the bottom of the right cylinder shell 5522 are respectively provided with a trapezoid anti-motion block 563, the third bottom plate 53 is provided with a trapezoid anti-motion groove 564, and the trapezoid anti-motion block 563 extends into the trapezoid anti-motion groove 564.
The working principle and the beneficial effects of the technical scheme are as follows: in the embodiment, a specific structure of the outer hoop 554 is provided, the outer hoop 554 of the structure includes two semicircular hoop bodies 5541, in order to fix the two semicircular hoop bodies 5541, so as to fix the left cylindrical shell 5521 and the right cylindrical shell 5522, fin plates 558 are designed at two ends of the semicircular hoop bodies 5541, and meanwhile, an internal thread hole 5581 is formed in the fin plate 558, so that two corresponding fin plates 558 can be fixed in the internal thread hole through a fixing rod 559 in a screwed manner; furthermore, in order to prevent the semicircular hoop body 5541 from moving on the left and right cylindrical shells 5521 and 5522 after long-term use, the semicircular hoop body 5541 is provided with a movement prevention hole 560, and the left and right cylindrical shells 5521 and 5522 are correspondingly provided with corresponding left and right movement prevention blocks 561 and 562, respectively, so that when the semicircular hoop body 5541 is installed, the left and right movement prevention blocks 561 and 562 are inserted into the movement prevention hole 560, so that the semicircular hoop body 5541 is fixed on the left and right cylindrical shells 5521 and 5522 through the left and right movement prevention blocks 561 and 562, and the outer hoop 554 further fixes the left and right cylindrical shells 5521 and 5522, thereby preventing movement.
Further, trapezoidal anti-motion blocks 563 are respectively arranged at the bottoms of the left cylinder shell 5521 and the right cylinder shell 5522, and meanwhile, a trapezoidal anti-motion groove 564 is formed in the third bottom plate 53, so that the two trapezoidal anti-motion blocks 563 extend into the trapezoidal anti-motion groove 564, and thus the connection between the vertical telescopic cylinder 552 and the third bottom plate 53 is firmer and more stable.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a novel valve body valve seat metal seal mechanism which characterized in that includes:
the valve assembly (100) comprises a valve body (1), a valve seat (2) and a valve rubber (3), a wedge-shaped outer face (11) is arranged on the valve body (1), the valve rubber (3) is arranged on the valve body (1) and located above the wedge-shaped outer face (11), a valve hole (21) and a conical hole (22) are arranged in the valve seat (2), the conical hole (22) is located above the valve hole (21), and the valve body (1) is arranged in the valve seat (2), so that the wedge-shaped outer face (11) and the valve rubber (3) are in contact with the hole wall of the conical hole (22).
2. A new valve body valve metal sealing mechanism according to claim 1, characterized in that the valve body (1) comprises a valve disc (12), a valve post (13) and a valve cover (14), the valve post (13) is arranged at the upper end of the valve disc (12), the outer wall of the valve disc (12) is provided with a wedge-shaped outer face (11), the valve rubber (3) is arranged on the valve post (13), and the valve cover (14) is screwed on the valve post (13) and abuts against the valve rubber (3).
3. A new valve body valve metal sealing mechanism as claimed in claim 2, characterized in that the lower end of the valve cover (14) is provided with a plurality of guide blocks (15), the outer wall of the guide blocks (15) is provided with a guide surface (16) so that the guide surface (16) corresponds to the valve hole (21).
4. A new valve body valve metal sealing mechanism as claimed in claim 1 or 2, characterized in that said valve disc (12) has an upper inclined disc surface (17), said upper inclined disc surface (17) being provided with a plurality of concentric annular grooves (171), said valve rubber (3) having a lower inclined surface (31) corresponding to said upper inclined disc surface (17).
5. A new valve body metal sealing mechanism as claimed in claim 1 or 2, characterised in that the valve rubber (3) has an inclined disc surface (32) corresponding to the wall of the conical hole (22).
6. A new valve body valve metal sealing mechanism, according to claim 2, characterized in that said valve rubber (3) has an upwardly inclined inner face (33) corresponding to the lower face of said valve cover (14).
7. A novel valve body valve seat metal sealing mechanism according to claim 1, wherein the valve assembly (100) is arranged in a hydraulic end assembly (4), the hydraulic end assembly (4) comprises a hydraulic seat (41) and a hydraulic column (42), an introduction hole (411), a diversion cavity (412), an exit hole (413) and an observation hole (414) are arranged in the hydraulic seat (41), the introduction hole (411) is arranged at one side of the diversion cavity (412), the exit hole (413) is arranged at the other end of the diversion cavity (412), the valve assembly (100) is arranged in the exit hole (413), an auxiliary valve part is arranged in the introduction hole (411), the hydraulic column (42) is connected with an external power end (40) and movably arranged in the diversion cavity (412), and the observation hole (414) is arranged at one end of the diversion cavity (412), an observation module (415) is arranged in the observation hole (414).
8. A novel valve body metal sealing mechanism according to claim 7, characterized in that a supporting module (5) is arranged at the bottom of the external power end (40), the supporting module (5) comprises a first bottom plate (51), a second bottom plate (52), a third bottom plate (53), an intermediate supporting mechanism (54) and a plurality of auxiliary supporting mechanisms (55), the first bottom plate (51) is arranged at the bottom of the external power end (40), the second bottom plate (52) is arranged at the bottom of the first bottom plate (51), the intermediate supporting mechanism (54) and the plurality of auxiliary supporting mechanisms (55) are arranged between the second bottom plate (52) and the third bottom plate (53), the intermediate supporting mechanism (54) comprises an intermediate supporting column (541), an intermediate sliding cylinder (542), an intermediate elastic block (543) and a T-shaped fixing rod (544), the middle supporting column (541) is arranged on the third bottom plate (53), the bottom of the middle elastic block (543) is provided with a bottom groove (545), the upper end of the middle supporting column (541) extends into the bottom groove (545), the middle sliding cylinder (542) is arranged at the bottom of the third bottom plate (53), and is sleeved on the middle elastic block (543), the upper end of the middle elastic block (543) is provided with an inner fixing groove (546), an inner fixing seat (547) is arranged in the inner fixing groove (546), a T-shaped through hole (548) corresponding to the inner fixing groove (546) is arranged on the second bottom plate (52), the T-shaped fixing rod (544) penetrates through the T-shaped through hole (548) and extends to be connected with an internal connecting groove (549) of the internal fixing seat (547), and the auxiliary supporting mechanisms (55) are uniformly distributed around the middle supporting mechanism (54).
9. A novel metal sealing mechanism for a valve seat as claimed in claim 7, wherein the auxiliary supporting mechanism (55) comprises a vertical telescopic column (551), a vertical telescopic cylinder (552), an inner telescopic spring (553) and a plurality of outer hoops (554), the vertical telescopic cylinder (552) comprises a left cylinder shell (5521) and a right cylinder shell (5522), the left cylinder shell (5521) and the right cylinder shell (5522) are connected through a plurality of outer hoops (554), the upper ends of the left cylinder shell (5521) and the right cylinder shell (5522) are provided with inner arc-shaped clamping plates (5523), two inner arc-shaped clamping plates (555) are arranged between the inner arc-shaped clamping plates (5523), the bottom of the blocking ring (555) is provided with an anti-collision ring (556), the inner telescopic spring (553) is arranged in the vertical telescopic cylinder (552), and the lower end of the vertical telescopic column (551) passes through the blocking ring (555), The anti-collision ring (556) is connected with a pressure plate (557), and the upper end of the inner telescopic spring (553) is abutted against the pressure plate (557).
10. The novel metal sealing mechanism for the valve seat of the valve body as claimed in claim 9, wherein the outer hoop (554) comprises two semicircular hoop bodies (5541), the ends of the semicircular hoop bodies (5541) are provided with fin plates (558), the two fin plates (558) are connected through a fixing rod (559), the semicircular hoop bodies (5541) are provided with anti-moving holes (560), the outer walls of the left cylinder shell (5521) and the right cylinder shell (5522) are provided with a left anti-moving block (561) and a right anti-moving block (562), and the left anti-moving block (561) and the right anti-moving block (562) extend into the anti-moving holes (560); the bottom of left side section of thick bamboo shell (5521), right side section of thick bamboo shell (5522) is provided with trapezoidal anti-moving block (563) respectively, be provided with trapezoidal anti-moving groove (564) on third bottom plate (53), two trapezoidal anti-moving block (563) extend to in the trapezoidal anti-moving groove (564).
CN202210627916.4A 2022-06-06 2022-06-06 Novel valve body valve seat metal sealing mechanism Pending CN114934899A (en)

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CN202210627916.4A CN114934899A (en) 2022-06-06 2022-06-06 Novel valve body valve seat metal sealing mechanism

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Application Number Priority Date Filing Date Title
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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2035401U (en) * 1988-10-07 1989-04-05 四川省安岳县轻工机械厂 Mud-pump spiral device
CN201262136Y (en) * 2008-09-23 2009-06-24 湖北四钻石油设备股份有限公司 Three-cylinder single-acting piston pump
CN201757056U (en) * 2010-06-07 2011-03-09 徐承韬 Novel bimetal valve body
CN205478275U (en) * 2016-02-19 2016-08-17 中国石油集团渤海钻探工程有限公司 Split type valve of slush pump
CN205503376U (en) * 2016-03-29 2016-08-24 湖北中油科昊机械制造有限公司 Oil -field brine is handled and is used plunger pump
CN208980123U (en) * 2018-08-22 2019-06-14 大连连港电扶梯成套设备有限公司 Elevator shock-absorbing carriage
CN212155068U (en) * 2020-04-09 2020-12-15 焦作锦标机械制造有限公司 Novel self-suction type petroleum slurry pump
CN212454326U (en) * 2020-06-18 2021-02-02 山东望胜泵业股份有限公司 Corrosion-resistant composite valve body
CN212772493U (en) * 2020-05-15 2021-03-23 中交第四航务工程勘察设计院有限公司 Vibration reduction and isolation device in foundation treatment
CN212928164U (en) * 2020-09-04 2021-04-09 北京奥菲德油气科技有限公司 Valve body rubber and valve assembly and fracturing pump comprising same
CN214245316U (en) * 2020-11-02 2021-09-21 曾周游 Public road bridge roof beam damping device
CN215593663U (en) * 2021-08-27 2022-01-21 陈智勇 Public road bridge roof beam support of moving away to avoid possible earthquakes based on bridge security performance
CN215805969U (en) * 2021-10-13 2022-02-11 西安工业大学 Floor type spring damper for mechanical damping
CN216332500U (en) * 2021-11-29 2022-04-19 深圳市华亿润达科技有限公司 High stability electric scooter with shock-absorbing function

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2035401U (en) * 1988-10-07 1989-04-05 四川省安岳县轻工机械厂 Mud-pump spiral device
CN201262136Y (en) * 2008-09-23 2009-06-24 湖北四钻石油设备股份有限公司 Three-cylinder single-acting piston pump
CN201757056U (en) * 2010-06-07 2011-03-09 徐承韬 Novel bimetal valve body
CN205478275U (en) * 2016-02-19 2016-08-17 中国石油集团渤海钻探工程有限公司 Split type valve of slush pump
CN205503376U (en) * 2016-03-29 2016-08-24 湖北中油科昊机械制造有限公司 Oil -field brine is handled and is used plunger pump
CN208980123U (en) * 2018-08-22 2019-06-14 大连连港电扶梯成套设备有限公司 Elevator shock-absorbing carriage
CN212155068U (en) * 2020-04-09 2020-12-15 焦作锦标机械制造有限公司 Novel self-suction type petroleum slurry pump
CN212772493U (en) * 2020-05-15 2021-03-23 中交第四航务工程勘察设计院有限公司 Vibration reduction and isolation device in foundation treatment
CN212454326U (en) * 2020-06-18 2021-02-02 山东望胜泵业股份有限公司 Corrosion-resistant composite valve body
CN212928164U (en) * 2020-09-04 2021-04-09 北京奥菲德油气科技有限公司 Valve body rubber and valve assembly and fracturing pump comprising same
CN214245316U (en) * 2020-11-02 2021-09-21 曾周游 Public road bridge roof beam damping device
CN215593663U (en) * 2021-08-27 2022-01-21 陈智勇 Public road bridge roof beam support of moving away to avoid possible earthquakes based on bridge security performance
CN215805969U (en) * 2021-10-13 2022-02-11 西安工业大学 Floor type spring damper for mechanical damping
CN216332500U (en) * 2021-11-29 2022-04-19 深圳市华亿润达科技有限公司 High stability electric scooter with shock-absorbing function

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