CN2405039Y - Piston assembly for mud pump - Google Patents
Piston assembly for mud pump Download PDFInfo
- Publication number
- CN2405039Y CN2405039Y CN 99246551 CN99246551U CN2405039Y CN 2405039 Y CN2405039 Y CN 2405039Y CN 99246551 CN99246551 CN 99246551 CN 99246551 U CN99246551 U CN 99246551U CN 2405039 Y CN2405039 Y CN 2405039Y
- Authority
- CN
- China
- Prior art keywords
- steel core
- seal
- piston assembly
- upper body
- lower body
- 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.)
- Expired - Fee Related
Links
Landscapes
- Actuator (AREA)
Abstract
The utility model relates to a piston assembly for mud pumps, which is especially for well drilling machines. The utility model is composed of an H-shaped steel core assembly formed by the connection of an upper steel core body and a lower steel core body by screws and a sealing body extruded between the upper steel core body and the lower steell core body. The sealing body expends by the pressing of the upper steel core body and the lower steel core body to increase sealing effect. When the upper steel core body is loosened, the sealing body can be replaced. The utility model has the advantages of simple structure and convenient operation. The utility model is a replacement for existing piston assemblies for mud pumps.
Description
The utility model relates to a kind of mud piston assembly, particularly a kind of drilling machinery mud piston assembly.
The mud piston assembly is an easily worn part, and the piston assembly of using at present is made up of seal and steel core body two-part suit, and the outer surface of steel core body internal surface and seal is serious wear in use, is difficult to repair, and causes waste of material.In addition, seal and steel body seal clearance are and fixedly install, and are difficult to adjust, and sealing effect is poor.
The purpose of this utility model is exactly the problems referred to above that exist at prior art, provides a kind of simple in structure, and it is convenient to install, use, repair, and can adjust the mud piston assembly of seal clearance.
The technical solution of the utility model is:
This mud piston assembly, by seal and steel core main assembly, it is characterized in that: steel core comprises that totally steel core upper body 1 and steel core lower body 3 two-part are by the assembly that is threaded " worker " font hollow circular cylinder, the outer periphery lower surface of steel core upper body 1 is provided with the inner conical surface boss, the intermediate outer surface of steel core lower body 3 is cones, seal 2 is that the conical socket that matches with the conical surface boss of steel core upper body 1 is arranged at top, the internal surface of seal 2 is and steel core lower body 3 intermediate cone match that seal 2 is threaded with steel core lower body 3 by steel core upper body 1 and is squeezed in the centre.Seal 2 is also fluorine glue Sealings of polyurethane Sealing.
Technique scheme further is improved to: the outer periphery boss of steel core upper body 1 is inside and outside conical surface boss, and conical surface groove is arranged at the top of the seal 2 of Pei Heing with it.
The appearance uniform plane of steel core upper body 1 and steel core lower body 3 is distributing 2---and 8 circle hole grooves 5 cooperate with the salient angle spanner.
Locate with the space that combines of steel core upper body 1 at steel core lower body 3, place seal ring 5.
Mud piston assembly after the employing technique scheme has following effect:
1, mud piston assembly structure advantages of simple, assembling are fast, and the steel core volume and weight reduces, and can reuse, and increases work efficiency.
2, anti-sediment charge is not more than 0.03%, and high pressure resistant intensity reaches 280 barometric pressure, improves 100 than conventional piston---110 pressure.
3, by the screwing and loosen of lower body on the steel core, adjust the expanding and the contraction of seal, good seal performance, not easy to wear, prolong the working life of piston assembly.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Accompanying drawing provides vertical section structure schematic representation of the present utility model.
1 is the steel core upper body among the figure, the 2nd, and seal, the 3rd, steel core lower body, the 4th, seal ring, the 5th, the circle hole groove that cooperates with the salient angle spanner.
As shown in the figure, steel core upper body 1 and steel core lower body 2 are by being threaded " worker " font hollow cylinder, its internal diameter cooperates with piston vertical shaft diameter, fix by the outer periphery boss of steel core upper body 1 and the lower curtate platform pinching of steel core lower body by the seal 2 that polyurethane Sealing or fluorine glue Sealing make, form piston assembly.The external diameter of piston body 2 is consistent with the internal diameter of piston sleeve.Seal ring 4 is used to fill up the space of steel core upper body 1 and steel core lower body 2 screw connection points.For the sealing of enhanced leaktightness body 2, the cone that has the slight inclination angle can be processed in the outer periphery of seal.Use the salient angle spanner in 1 reinforcing of steel core upper body then, crush seal body 2 makes its outside expanding, increases sealing effect.After seal 2 serious wear, unclamp steel core upper body 1, promptly replaceable seal.
Claims (6)
1, a kind of mud piston assembly, by seal and steel core main assembly, it is characterized in that: steel core comprises that totally steel core upper body (1) and steel core lower body (3) two-part are by the assembly that is threaded " worker " font hollow circular cylinder, the outer periphery lower surface of steel core upper body (1) is provided with the inner conical surface boss, the intermediate outer surface of steel core lower body (3) is a cone, seal (2) is that the conical socket that matches with the conical surface boss of steel core upper body (1) is arranged at top, the internal surface of seal (2) is and steel core lower body (3) intermediate cone match that seal (2) is threaded with steel core lower body (3) by steel core upper body (1) and is squeezed in the centre.
2, mud piston assembly according to claim 1 is characterized in that: the outer periphery boss of steel core upper body (1) is inside and outside conical surface boss, and conical surface groove is arranged at the top of the seal of Pei Heing (2) with it.
3, mud piston assembly according to claim 1 and 2 is characterized in that: seal (2) is the polyurethane Sealing.
4, mud piston assembly according to claim 3 is characterized in that: seal (2) is a fluorine glue Sealing.
5, mud piston assembly according to claim 1 and 2 is characterized in that: the appearance uniform plane of steel core upper body (1) and steel core lower body (3) is distributing 2---and 8 circle hole grooves (5) cooperate with the salient angle spanner.
6, mud piston assembly according to claim 1 and 2 is characterized in that: in the combine gap of steel core lower body (3) with steel core upper body (1), place seal ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99246551 CN2405039Y (en) | 1999-09-24 | 1999-09-24 | Piston assembly for mud pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99246551 CN2405039Y (en) | 1999-09-24 | 1999-09-24 | Piston assembly for mud pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2405039Y true CN2405039Y (en) | 2000-11-08 |
Family
ID=34032149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99246551 Expired - Fee Related CN2405039Y (en) | 1999-09-24 | 1999-09-24 | Piston assembly for mud pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2405039Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457752B (en) * | 2008-12-22 | 2011-06-29 | 加西贝拉压缩机有限公司 | Split piston for compressor |
| CN102606447A (en) * | 2011-01-20 | 2012-07-25 | Ulvac机工株式会社 | Piston and vacuum pump |
| CN106593758A (en) * | 2016-12-23 | 2017-04-26 | 宁波斯达弗液压传动有限公司 | Glue-injecting plunger structure for hydraulic motor |
-
1999
- 1999-09-24 CN CN 99246551 patent/CN2405039Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457752B (en) * | 2008-12-22 | 2011-06-29 | 加西贝拉压缩机有限公司 | Split piston for compressor |
| CN102606447A (en) * | 2011-01-20 | 2012-07-25 | Ulvac机工株式会社 | Piston and vacuum pump |
| CN102606447B (en) * | 2011-01-20 | 2015-04-01 | Ulvac机工株式会社 | Piston and vacuum pump |
| CN106593758A (en) * | 2016-12-23 | 2017-04-26 | 宁波斯达弗液压传动有限公司 | Glue-injecting plunger structure for hydraulic motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201292942Y (en) | Disassemble packing kit for fracturing pump head | |
| CN201416409Y (en) | Omnidirectional offset packing box | |
| CN103591012A (en) | Sealing device capable of being adjusted automatically | |
| CN113323863B (en) | Fast-assembling combined piston rod of drilling pump | |
| CN2405039Y (en) | Piston assembly for mud pump | |
| CN110219334A (en) | A kind of hydraulic breaking hammer | |
| CN2345518Y (en) | Concrete pump conveying cylinder piston sealing device | |
| CN2660171Y (en) | Slurry pump piston assembly for drilling machinery | |
| CN2937459Y (en) | Double-offset polish rod sealer for pumping well | |
| CN216157845U (en) | Piston connecting rod of oil-free air compressor | |
| CN212898290U (en) | Rock drill rotates cover assembly | |
| CN214463945U (en) | Corrosion-resistant beam-pumping unit polished rod of ternary composite well | |
| CN2620075Y (en) | Oil well polish rod rolling centralising pressure storage sealer | |
| CN2522613Y (en) | Dynamic rubber-filling packing box for pumping unit | |
| CN203560080U (en) | Floating type sealing device | |
| CN217897755U (en) | Diamond bit for large-caliber drilling construction | |
| CN201351474Y (en) | Composite multifunctional stuffing box | |
| CN220581406U (en) | Frequency modulation valve of hydraulic breaking hammer | |
| CN2432390Y (en) | Sealing device for rock-breaking hobbing-cutter | |
| CN221524782U (en) | Adapter of core drilling machine | |
| CN221591202U (en) | Hydraulic end assembly of fracturing pump | |
| CN219993906U (en) | Lightweight fluid end assembly structure | |
| CN2597657Y (en) | Positive and negative circulation water tap for rotary drilling machine | |
| CN2866902Y (en) | Directional sealing lubricating ring | |
| CN2127427Y (en) | Flat nozzle on bit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |