CN112283358A - Hydraulic oil absorption self-sealing device - Google Patents
Hydraulic oil absorption self-sealing device Download PDFInfo
- Publication number
- CN112283358A CN112283358A CN202011044234.8A CN202011044234A CN112283358A CN 112283358 A CN112283358 A CN 112283358A CN 202011044234 A CN202011044234 A CN 202011044234A CN 112283358 A CN112283358 A CN 112283358A
- Authority
- CN
- China
- Prior art keywords
- ejector rod
- valve seat
- hydraulic oil
- sealing device
- plate
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
Abstract
The invention discloses a hydraulic oil absorption self-sealing device, which comprises a limit screw, an ejector rod fixing plate, an elastic element, an ejector rod, a sealing plate and a valve seat, wherein the limit screw is fixed on the ejector rod fixing plate; the limiting screw is arranged at one end of the ejector rod, which is far away from the elastic element, and is used for realizing the movement of the ejector rod; the ejector rod sequentially penetrates through the ejector rod fixing plate, the sealing plate and the valve seat, and the sealing plate is fixedly connected with the ejector rod; the elastic element is positioned between the ejector rod fixing plate and the sealing plate and sleeved on the ejector rod, the valve seat is provided with an oil port 61 along the axial direction, and the sealing plate 5 completely covers the oil port 61 when contacting with the valve seat 6. The hydraulic oil absorption self-sealing device aims to solve the problems of complex structure and high manufacturing cost of a butterfly valve.
Description
Technical Field
The invention belongs to the technical field of engineering mechanical equipment, and particularly relates to a hydraulic oil absorption self-sealing device.
Background
With the development of the engineering mechanical concrete pump truck for more than 20 years, a main pump is changed from a main oil pump with the original discharge capacity of 190 into 2 main oil pumps with the discharge capacity of 190, and the main pumps are connected in series and converged, and the flow rate reaches 890L/min. The hydraulic engineer considers the maintenance of the hydraulic oil circuit in the hydraulic pipeline, assembles a special butterfly valve on the oil suction pipeline in front of the oil pump, rotates a wrench of the butterfly valve, disconnects oil in the oil tank from the oil suction pipeline, and prevents the oil in the oil tank from leaking through an oil suction port when the oil pump pipeline is disassembled. The working principle of the butterfly valve is as follows: the valve body is provided with a plastic PTFE check ring with a spherical surface, the valve core is formed by assembling a thin plate with a spherical surface and the check ring, the valve core is positioned through a pin hole, the valve core is fixed with the transmission shaft, and the transmission shaft is rotated by the handle to realize the opening and closing of the butterfly valve. However, the butterfly valve has a complicated structure, which results in high manufacturing cost.
In order to solve the problem of complex structure of a butterfly valve, the invention provides a hydraulic oil absorption self-sealing device.
Disclosure of Invention
Technical problem to be solved
The technical problems to be solved by the invention are that the butterfly valve has a complex structure and high manufacturing cost.
(II) technical scheme
The invention provides a hydraulic oil absorption self-sealing device which comprises a limiting screw rod, an ejector rod fixing plate, an elastic element, an ejector rod, a sealing plate and a valve seat, wherein the ejector rod fixing plate is arranged on the top of the limiting screw rod;
the limiting screw rod is arranged at one end of the ejector rod, which is far away from the elastic element, and is used for realizing the movement of the ejector rod;
the ejector rod sequentially penetrates through the ejector rod fixing plate, the sealing plate and the valve seat, and the sealing plate is fixedly connected with the ejector rod;
the elastic element is positioned between the ejector rod fixing plate and the sealing plate and sleeved on the ejector rod, the valve seat is provided with an oil port along the axial direction, and the sealing plate completely covers the oil port when contacting with the valve seat.
Optionally, the ejector rod fixing plate is fixedly connected with the valve seat through a connecting rod.
Optionally, the elastic element is a spring, and the elastic deformation direction of the spring is parallel to the length direction of the top rod.
Optionally, the maximum moving distance of the ejector rod is 30 mm.
Optionally, the sum of the thickness of the sealing plate and the length of the elastic element in a fully compressed state is smaller than the distance between the ejector rod fixing plate and the valve seat.
Optionally, the ejector rod sequentially penetrates through the ejector rod fixing plate, the sealing plate and the center of the valve seat.
Optionally, the hydraulic oil absorption self-sealing device further comprises a box body, the box body is connected with the end face, far away from the sealing plate, of the valve seat, and the limit screw is rotatably arranged on the box body in a penetrating manner.
Optionally, the ejector rod penetrates through the oil port, and the diameter of the ejector rod is smaller than that of the oil port.
(III) advantageous effects
The technical scheme of the invention has the following advantages:
the invention provides a hydraulic oil absorption self-sealing device which comprises a limiting screw rod, an ejector rod fixing plate, an elastic element, an ejector rod, a sealing plate and a valve seat, wherein the ejector rod fixing plate is arranged on the upper surface of the limiting screw rod; the limiting screw is arranged at one end of the ejector rod, which is far away from the elastic element, and is used for realizing the movement of the ejector rod; the ejector rod sequentially penetrates through the ejector rod fixing plate, the sealing plate and the valve seat, and the sealing plate is fixedly connected with the ejector rod; the elastic element is positioned between the ejector rod fixing plate and the sealing plate and sleeved on the ejector rod, the valve seat is provided with an oil port along the axial direction, and the sealing plate can completely cover the oil port when contacting with the valve seat. When the pump truck normally works, the pump truck completely screws in through the limiting screw, the ejector rod moves leftwards under the action of the end face of the limiting screw, the sealing plate and the ejector rod are fixed together, the sealing plate is separated from the valve seat, the elastic element is extruded to generate elastic deformation, and hydraulic oil can enter the valve seat; when an oil pump pipeline is maintained or disassembled, hydraulic oil of the hydraulic oil tank does not need to be pumped, the limiting screw rod is screwed out outwards, the ejector rod moves rightwards under the action of elastic deformation force of the elastic element, when the ejector rod moves rightwards to a preset position, the sealing plate is in contact with the valve seat surface, the hydraulic oil cannot enter the valve seat, and the sealing plate plays an oil sealing role. The hydraulic oil absorption self-sealing device is reasonable in use on a pump truck, simple in structure, low in cost, few in fault and free of occupying structural space.
Drawings
Fig. 1 is a schematic structural diagram of a hydraulic oil absorption self-sealing device provided in an embodiment of the present invention when a pump truck is in a working state;
fig. 2 is a schematic structural diagram of a hydraulic oil absorption and self-sealing device provided in an embodiment of the present invention when a pump truck is in a maintenance state.
In the figure: 1. a limit screw; 2. a mandril fixing plate; 3. an elastic element; 4. closing the plate; 5. a top rod; 6. a valve seat; 61. an oil port; 7. a box body; 8. a connecting rod.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, according to an embodiment of the present invention, there is provided a hydraulic oil-absorbing and self-sealing device, including a limit screw 1, a mandrel fixing plate 2, an elastic element 3, a mandrel 4, a sealing plate 5 and a valve seat 6; the limiting screw rod 1 is arranged at one end of the ejector rod 4 far away from the elastic element 3 and used for realizing the movement of the ejector rod 4; the ejector rod 4 sequentially penetrates through the ejector rod fixing plate 2, the sealing plate 5 and the valve seat 6, and the sealing plate 5 is fixedly connected with the ejector rod 4; the elastic element 3 is positioned between the ejector rod fixing plate 2 and the seal plate 5, the ejector rod 4 is sleeved with the elastic element 3, the valve seat 6 is provided with an oil port 61 along the axial direction, and the seal plate 5 completely covers the oil port 61 when contacting with the valve seat 6.
In this embodiment, the working principle of the hydraulic oil absorption self-sealing device is as follows: as shown in fig. 1, in normal operation of the pump truck, the limit screw 1 is completely screwed in, the ejector rod 4 is displaced leftwards under the action of the end face of the limit screw 1, the sealing plate 5 and the ejector rod 4 are fixed together, the sealing plate 5 is separated from the valve seat 6, the elastic element 3 is in a compression state due to elastic deformation generated by extrusion of the sealing plate 5, and hydraulic oil can enter the valve seat 6; as shown in fig. 2, when the oil pump pipeline is maintained or disassembled, the limit screw 1 is screwed out without pumping hydraulic oil in the hydraulic oil tank, the ejector rod 4 moves rightwards under the action of the elastic deformation force of the elastic element 3, when the ejector rod 4 moves rightwards to a preset position, the sealing plate 5 is in contact with the valve seat 6, the hydraulic oil cannot enter the valve seat 6, and the sealing plate 5 plays a role in oil sealing. The hydraulic oil absorption self-sealing device is reasonable in use on the pump truck, simple in structure, low in cost, few in fault and free of occupying structural space.
In some alternative embodiments, as shown in fig. 1-2, the ejector fixing plate 2 is fixedly connected with the valve seat 6 through a connecting rod 8. Specifically, the number of the connecting rods 8 may be at least two, and the two connecting rods are symmetrically arranged between the ejector rod fixing plate 2 and the valve seat 6, so as to fixedly connect the ejector rod fixing plate 2 and the valve seat 6.
In some alternative embodiments, the elastic element 3 is a spring, and the elastic deformation direction of the spring is parallel to the length direction of the top rod 4. The elastic deformation force of the spring interacts with the seal plate 5 along the length direction of the ejector rod 4, so that the acting force (namely, thrust) of the spring on the seal plate 5 under the same elastic deformation amount is maximum, and the seal plate 5 can be pushed rightwards most quickly, so that the seal plate 5 is in contact with the valve seat 5, and the oil port 61 is sealed by the seal plate 5.
In some alternative embodiments, the maximum travel distance of the carrier rod 4 is 30 mm. Specifically, when the moving distance of the mandril 4 is too large, the whole hydraulic oil absorption and self-sealing device is too large in size; when the moving distance of the ejector rod 4 is too small, the distance between the sealing plate 5 and the valve seat 6 is small, which is not beneficial to the oil port 61 to suck hydraulic oil.
In alternative embodiments, the sum of the thickness of the closure plate 5 and the length of the resilient element 3 in the fully compressed state is less than the distance between the ram fixing plate 2 and the valve seat 6. This is defined so that the elastic member 3, the closing plate 5 can be placed between the ram fixing plate 2 and the valve seat 6 without affecting the suction of the hydraulic oil from the oil port 61.
In some alternative embodiments, the ejector pin 4 is sequentially arranged through the centers of the ejector pin fixing plate 2, the closing plate 5 and the valve seat 6. The whole hydraulic oil absorption self-sealing device can be more stable in the penetrating mode.
In some optional embodiments, the hydraulic oil absorption self-sealing device further comprises a box body 7, the box body 7 is connected with the end face, away from the closing plate 5, of the valve seat 6, and the limit screw 1 is rotatably arranged on the box body 7 in a penetrating way. Specifically, the box 7 is used for screwing in and screwing out the limit screw 1.
In some alternative embodiments, the ram 4 is inserted through the oil port 61 and the ram 4 has a diameter smaller than that of the oil port 61.
According to the hydraulic oil absorption self-sealing device provided by the embodiment of the invention, the ejector rod 4 sequentially penetrates through the centers of the ejector rod fixing plate 2, the sealing plate 5 and the valve seat 6, the ejector rod fixing plate 2 is fixedly connected with the valve seat 6 through the two connecting rods 8, and the elastic deformation direction of the spring is parallel to the length direction of the ejector rod 4. When the pump truck normally works, the limiting screw rod 1 is completely screwed in the bottom of the box body 7, the ejector rod 4 is displaced leftwards under the action of the end face of the limiting screw rod 1, the sealing plate 5 and the ejector rod 4 are fixed together, the sealing plate 5 is separated from the valve seat 6, the spring is in a compression state due to elastic deformation generated by extrusion of the sealing plate 5, and hydraulic oil can enter the valve seat 6; when maintaining or tearing open the oil pump pipeline, need not take out the hydraulic oil in the hydraulic tank, outwards unscrew 30mm with stop screw 1, ejector pin 4 moves 30mm under the effect of the elastic deformation power of spring right side, and shrouding 5 and disk seat 6 contact when ejector pin 4 moves to the right preset position, and hydraulic oil can not get into disk seat 6, and shrouding 5 plays the oil blanket effect. The hydraulic oil absorption self-sealing device is reasonable in use on a pump truck, the ejector rod 4 is pushed in or loosened by the limit screw rod 1 through screwing in and out of the limit screw rod 1, the sealing plate 5 is pushed open or seals the oil port 61 under the action of spring force, the opening and closing of the oil port 61 are achieved, and the hydraulic oil absorption self-sealing device is simple in structure, low in cost, few in fault and free of occupying structural space.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A hydraulic oil absorption self-sealing device is characterized by comprising a limiting screw rod (1), an ejector rod fixing plate (2), an elastic element (3), an ejector rod (4), a sealing plate (5) and a valve seat (6);
the limiting screw rod (1) is arranged at one end, far away from the elastic element (3), of the ejector rod (4) and used for achieving movement of the ejector rod (4);
the ejector rod (4) sequentially penetrates through the ejector rod fixing plate (2), the sealing plate (5) and the valve seat (6), and the sealing plate (5) is fixedly connected with the ejector rod (4);
the elastic element (3) is located between the ejector rod fixing plate (2) and the seal plate (5), the ejector rod (4) is sleeved with the elastic element (3), an oil port (61) is formed in the valve seat (6) in the axial direction, and the seal plate (5) completely covers the oil port (61) when contacting with the valve seat (6).
2. The hydraulic oil absorption and self sealing device according to claim 1, wherein the mandril fixing plate (2) is fixedly connected with the valve seat (6) through a connecting rod (8).
3. The hydraulic oil-absorbing and self-sealing device according to claim 1, wherein the elastic element (3) is a spring, and the elastic deformation direction of the spring is parallel to the length direction of the push rods (4).
4. The hydraulic oil-absorbing and self-sealing device according to claim 1, wherein the maximum moving distance of the push rods (4) is 30 mm.
5. The hydraulic oil-absorbing and self-sealing device according to claim 1, wherein the sum of the thickness of the sealing plate (5) and the length of the elastic element (3) in the fully compressed state is smaller than the distance between the mandril fixing plate (2) and the valve seat (6).
6. The hydraulic oil-absorbing and self-sealing device according to claim 1, wherein the push rod (4) is sequentially arranged in the center of the push rod fixing plate (2), the sealing plate (5) and the valve seat (6).
7. The hydraulic oil absorption and self sealing device according to claim 1, further comprising a box body (7), wherein the box body (7) is connected with the end face of the valve seat (6) far away from the sealing plate (5), and the limit screw (1) is rotatably arranged on the box body (7) in a penetrating way.
8. The hydraulic oil absorption and self-sealing device according to claim 1, wherein the push rod (4) is arranged through the oil port (61) and the diameter of the push rod (4) is smaller than the diameter of the oil port (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011044234.8A CN112283358A (en) | 2020-09-28 | 2020-09-28 | Hydraulic oil absorption self-sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011044234.8A CN112283358A (en) | 2020-09-28 | 2020-09-28 | Hydraulic oil absorption self-sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112283358A true CN112283358A (en) | 2021-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011044234.8A Pending CN112283358A (en) | 2020-09-28 | 2020-09-28 | Hydraulic oil absorption self-sealing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112283358A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2128161Y (en) * | 1992-05-05 | 1993-03-17 | 翁煜子 | Self-closing oil suction filter |
| CN2163681Y (en) * | 1993-04-09 | 1994-05-04 | 宋焱 | Self-sealing oil-suction oil filter |
| JP2009127781A (en) * | 2007-11-26 | 2009-06-11 | Kobelco Cranes Co Ltd | Operating oil storage device |
| CN102374210A (en) * | 2010-08-12 | 2012-03-14 | 贺勍 | Detachable fineness grading series integral-type seal-sealing magnetic filter |
| CN202228450U (en) * | 2011-09-09 | 2012-05-23 | 山推工程机械股份有限公司 | Hydraulic oil tank |
| CN205173131U (en) * | 2015-12-01 | 2016-04-20 | 温州市派克液压机电有限公司 | Proclaim oneself mounting structure of formula hydraulic oil filter casing and supporting legs |
| CN209076163U (en) * | 2018-09-19 | 2019-07-09 | 新乡思诚净化设备有限公司 | A kind of filter Self-sealing valve |
| CN210423257U (en) * | 2019-07-01 | 2020-04-28 | 无锡市海卓力克液压机械有限公司 | Novel TF case is proclaimed oneself formula oil absorption filter outward |
| CN211799193U (en) * | 2020-03-18 | 2020-10-30 | 无锡市海卓力克液压机械有限公司 | Self-sealing oil absorption filter |
-
2020
- 2020-09-28 CN CN202011044234.8A patent/CN112283358A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2128161Y (en) * | 1992-05-05 | 1993-03-17 | 翁煜子 | Self-closing oil suction filter |
| CN2163681Y (en) * | 1993-04-09 | 1994-05-04 | 宋焱 | Self-sealing oil-suction oil filter |
| JP2009127781A (en) * | 2007-11-26 | 2009-06-11 | Kobelco Cranes Co Ltd | Operating oil storage device |
| CN102374210A (en) * | 2010-08-12 | 2012-03-14 | 贺勍 | Detachable fineness grading series integral-type seal-sealing magnetic filter |
| CN202228450U (en) * | 2011-09-09 | 2012-05-23 | 山推工程机械股份有限公司 | Hydraulic oil tank |
| CN205173131U (en) * | 2015-12-01 | 2016-04-20 | 温州市派克液压机电有限公司 | Proclaim oneself mounting structure of formula hydraulic oil filter casing and supporting legs |
| CN209076163U (en) * | 2018-09-19 | 2019-07-09 | 新乡思诚净化设备有限公司 | A kind of filter Self-sealing valve |
| CN210423257U (en) * | 2019-07-01 | 2020-04-28 | 无锡市海卓力克液压机械有限公司 | Novel TF case is proclaimed oneself formula oil absorption filter outward |
| CN211799193U (en) * | 2020-03-18 | 2020-10-30 | 无锡市海卓力克液压机械有限公司 | Self-sealing oil absorption filter |
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Application publication date: 20210129 |
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| RJ01 | Rejection of invention patent application after publication |