CN211599642U - Hydraulic pump is with preventing fracture formula check valve convenient to installation - Google Patents
Hydraulic pump is with preventing fracture formula check valve convenient to installation Download PDFInfo
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- CN211599642U CN211599642U CN201922019710.XU CN201922019710U CN211599642U CN 211599642 U CN211599642 U CN 211599642U CN 201922019710 U CN201922019710 U CN 201922019710U CN 211599642 U CN211599642 U CN 211599642U
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- valve
- valve body
- hydraulic pump
- valve gap
- gap
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Abstract
The utility model provides a hydraulic pump is with preventing rupture formula check valve convenient to installation, including valve body and valve gap, the lower extreme of valve body is equipped with the import, be equipped with the export on the valve body lateral wall, import and exit are equipped with flange, the inside case that is equipped with of valve body, the case upper end is equipped with guide sleeve, the guide sleeve top is equipped with the valve rod, the valve gap is connected to the valve rod other end, the valve gap upper end is the arc structure, valve gap circumference side is equipped with outer edge, the valve gap lower extreme is equipped with the connection edge, the connection edge lateral wall is equipped with the external screw thread. Because the valve gap passes through threaded connection valve body to make the connection of valve gap and valve body become simpler easy operation, be equipped with the swing handle in addition on the valve gap and can make the installation more light, connect and seal valve gap and valve body along the O type rubber circle of last installation, the condition that prevents to leak takes place, in addition, import and exit are equipped with flange consequently are convenient for connect other pipelines, in addition, valve rod and guide sleeve clearance fit, make the case motion more smooth.
Description
Technical Field
The utility model relates to a hydraulic pump valve module technical field, concretely relates to hydraulic pump is with preventing rupture formula check valve convenient to installation.
Background
The valve is opened or closed automatically by medium flow and force to prevent medium from flowing backwards, and is called as one-way valve. The valve is divided into three types, namely a lifting one-way valve, a swing one-way valve and a butterfly one-way valve according to the structure. These check valves are often used in plants, heating systems, compressed air, water supplies, etc. to block flow or discharge.
The synchronous motion of the two cylinder bodies in the sludge pump needs to be realized by the participation of a one-way valve, and the performance of the one-way valve directly determines the conveying effect of the sludge pump. The existing one-way valve assembly basically comprises an assembly shell and a valve core, wherein the valve core is directly contacted with the inside of the assembly shell, the valve core continuously impacts the inside of the assembly shell, and the working strength of the assembly shell is slightly deficient; the corruption of various chemical nature sewage can not be satisfied to subassembly casing material, life is short, cause after long-time operation, the work piece that is corroded bad drops in the valve body, lead to producing the damage to the valve body, in addition, current check valve structure is complicated, the installation degree of difficulty between each subassembly is great, especially the connection between current valve gap and the valve body is then fastened through a plurality of bolts, it can accomplish the installation just to need the use tool, waste time and energy, and the canned type is not good, sealed structure is then place sealed the pad on the contact surface of valve gap and valve body, and compress tightly the bolt realization on the fastening valve gap and seal.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing a fracture-proof check valve for a hydraulic pump, which is convenient to install and comprises a valve body and a valve cover, wherein the lower end of the valve body is provided with an inlet, the side wall of the valve body is provided with an outlet, the inlet and the outlet are provided with connecting flanges, the valve body is internally provided with a valve core, the bottom of the valve core is provided with a fixing bulge, a sealing gasket is penetrated on the fixing bulge, the fixing bulge penetrates through the sealing gasket and is inserted with a fixing pin, the upper end of the valve core is provided with a guide sleeve, a valve rod is arranged above the guide sleeve, the other end of the valve rod is connected with the valve cover, the upper end of the valve cover is of an arc structure, the side of the valve cover is provided with an outer edge, the lower end of the valve cover is provided with a connecting edge, the side wall, the inner wall of the valve body is a smooth arm,
the valve cover, the valve rod, the outer edge and the connecting edge are of an integrated casting molding structure.
The outer diameter of the outer edge is equal to the outer diameter of the valve body.
The connecting edge is provided with a sealing groove along the lower part, and an O-shaped rubber ring is arranged in the sealing groove.
The sealing groove is positioned below the external thread of the connecting edge.
The upper end of the valve cover is provided with a rotary handle, and the rotary handle is connected with the valve cover through threads or welding.
The valve rod is positioned in the guide sleeve 1/4-1/5.
The diameter of the valve core is larger than the diameter of the inlet and smaller than the diameter of the valve body.
The utility model has the advantages that: the utility model provides a compact structure's hydraulic pump is with preventing rupture formula check valve convenient to installation, because the valve gap passes through the threaded connection valve body, thereby make the connection of valve gap and valve body become simpler easy operation, the later maintenance of being convenient for, and be equipped with the swing handle on the valve gap and can make the installation more light, connect and seal valve gap and valve body along the O type rubber circle of last installation, the condition that prevents to leak takes place, in addition, import and exit are equipped with flange and consequently are convenient for connect other pipelines, and in addition, valve rod and guide sleeve clearance fit, make the case motion more smooth, through overlapping guide sleeve outside the valve rod, make the valve rod in use fracture back directly drop guide sleeve in, prevent that the valve rod from dropping in the valve body, the life of each subassembly in the valve body has been improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The valve cover 14, the valve rod 3, the outer edge and the connecting edge 1 are of an integral casting molding structure.
The outer diameter of the outer edge is equal to the outer diameter of the valve body 11.
The connecting edge 1 is provided with a sealing groove 2 at the lower part, and an O-shaped rubber ring is arranged in the sealing groove 2.
The sealing groove 2 is positioned below the external thread 13 of the connecting edge 1.
The upper end of the valve cover 14 is provided with a rotary handle 17, and the rotary handle 17 is connected with the valve cover 14 through threads or welding.
The valve rod 3 is positioned at 1/4-1/5 in the guide sleeve 10.
The diameter of the valve core 9 is larger than that of the inlet 7 and smaller than that of the valve body 11.
Screw valve gap 14 on valve body 11 through swing handle 17, outer edge card on the valve gap 14 is on 11 up end of valve body, and seal valve gap 14 and valve body 11 through the O type rubber circle in seal groove 2, at this moment, valve rod 3 alternates in guide sleeve 10, guide sleeve 10 drives case 9 and realizes the up-and-down motion on valve rod 3, when liquid from 7 entering valve body 11 of follow import, jack-up case 9 to flow out from export 4, case 9 fall back when no liquid enters and realize the non return.
The utility model discloses in because valve gap 14 passes through threaded connection valve body 11, thereby make valve gap 14 and valve body 11 be connected and become simpler easy operation, and it can make the installation more light to be equipped with the swing handle 17 on valve gap 14, connect and seal valve gap 14 and valve body 11 along the O type rubber circle of 1 last installation, the condition that prevents to leak takes place, in addition, import 7 is equipped with flange with 4 departments of export and is consequently convenient for connect other pipelines, in addition, valve rod 3 and the 10 clearance fit of guide sleeve, make the case 9 motion more smooth, through with guide sleeve cover 10 outside valve rod 3, make the valve rod 3 in-use fracture back directly fall in guide sleeve 10, prevent that valve rod 3 from dropping in the valve body 11, the life of each subassembly in the valve body 11 has been improved.
Finally, the embodiments were chosen and described in order to best explain the principles of the invention and the patent disclosure, and are not intended to be limited to the details shown. Modifications and equivalents of the embodiments of the invention may be made by those skilled in the art without departing from the spirit and scope of the invention, and are intended to be covered by the appended claims.
Claims (8)
1. The utility model provides a hydraulic pump is with preventing formula of splitting check valve convenient to installation, includes valve body and valve gap, its characterized in that: the lower extreme of valve body be equipped with the import, the valve body lateral wall on be equipped with the export, import and exit be equipped with flange, the inside case that is equipped with of valve body, case bottom be equipped with fixed protruding, fixed protruding go up to wear sealed the pad, just fixed protruding pass sealed pad department and inserted the fixed pin, case upper end be equipped with guide sleeve, guide sleeve top be equipped with the valve rod, the valve rod other end connect the valve gap, valve gap upper end be the arc structure, valve gap circumference side be equipped with outer edge, the valve gap lower extreme be equipped with the connection edge, the connection edge lateral wall be equipped with the external screw thread, the internal thread of external screw thread connection valve body inner wall, the valve body inner wall be smooth arm.
2. The breakage-proof check valve for a hydraulic pump easy to install of claim 1, wherein: the valve cover, the valve rod, the outer edge and the connecting edge are of an integrated casting molding structure.
3. The breakage-proof check valve for a hydraulic pump easy to install of claim 1, wherein: the outer diameter of the outer edge is equal to the outer diameter of the valve body.
4. The breakage-proof check valve for a hydraulic pump easy to install of claim 1, wherein: the connecting edge is provided with a sealing groove along the lower part, and an O-shaped rubber ring is arranged in the sealing groove.
5. The breakage-proof check valve for a hydraulic pump easy to install of claim 4, wherein: the sealing groove is positioned below the external thread of the connecting edge.
6. The breakage-proof check valve for a hydraulic pump easy to install of claim 1, wherein: the upper end of the valve cover is provided with a rotary handle, and the rotary handle is connected with the valve cover through threads or welding.
7. The breakage-proof check valve for a hydraulic pump easy to install of claim 1, wherein: the valve rod is positioned in the guide sleeve 1/4-1/5.
8. The breakage-proof check valve for a hydraulic pump easy to install of claim 1, wherein: the diameter of the valve core is larger than the diameter of the inlet and smaller than the diameter of the valve body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922019710.XU CN211599642U (en) | 2019-11-21 | 2019-11-21 | Hydraulic pump is with preventing fracture formula check valve convenient to installation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922019710.XU CN211599642U (en) | 2019-11-21 | 2019-11-21 | Hydraulic pump is with preventing fracture formula check valve convenient to installation |
Publications (1)
Publication Number | Publication Date |
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CN211599642U true CN211599642U (en) | 2020-09-29 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201922019710.XU Active CN211599642U (en) | 2019-11-21 | 2019-11-21 | Hydraulic pump is with preventing fracture formula check valve convenient to installation |
Country Status (1)
Country | Link |
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CN (1) | CN211599642U (en) |
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2019
- 2019-11-21 CN CN201922019710.XU patent/CN211599642U/en active Active
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