CN204941896U - A kind of high pressure reciprocating pump fluid end structure - Google Patents
A kind of high pressure reciprocating pump fluid end structure Download PDFInfo
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- CN204941896U CN204941896U CN201520739554.3U CN201520739554U CN204941896U CN 204941896 U CN204941896 U CN 204941896U CN 201520739554 U CN201520739554 U CN 201520739554U CN 204941896 U CN204941896 U CN 204941896U
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- stuffing box
- pump head
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Abstract
本实用新型属于往复泵技术领域，具体涉及一种高压往复泵液力端结构，包括泵头、阀组、填料函，所述阀组设置于泵头内部，所述泵头与托架相连，所述填料函通过托架固定在泵头上，所述填料函、托架和泵头通过内六角螺钉相连，所述泵头与填料函相接处设置有第一O形密封圈，所述填料函包括填料盒、柱塞、填料盒弹簧、弹簧压套、填料密封、密封压套和锁紧母，所述密封压套与填料盒之间设置有第二O形密封圈，该密封压套与柱塞之间设置有U形密封圈。本实用新型具有结构简单，流量大，填料函易于拆卸，工作平稳的优点。
The utility model belongs to the technical field of reciprocating pumps, and in particular relates to a hydraulic end structure of a high-pressure reciprocating pump, including a pump head, a valve group, and a stuffing box. The valve group is arranged inside the pump head, and the pump head is connected with a bracket. The stuffing box is fixed on the pump head through a bracket, and the stuffing box, the bracket and the pump head are connected by hexagon socket head screws, and a first O-ring is arranged at the joint between the pump head and the stuffing box. The stuffing box includes a stuffing box, a plunger, a stuffing box spring, a spring gland, a stuffing seal, a sealing gland and a locking nut, and a second O-ring is arranged between the sealing gland and the stuffing box. A U-shaped sealing ring is arranged between the sleeve and the plunger. The utility model has the advantages of simple structure, large flow rate, easy disassembly of the stuffing box and stable operation.
Description
技术领域technical field
本实用新型属于往复泵技术领域，尤其是涉及一种高压往复泵液力端结构。The utility model belongs to the technical field of reciprocating pumps, in particular to a fluid end structure of a high-pressure reciprocating pump.
背景技术Background technique
往复泵是一种依靠活塞、柱塞或隔膜在泵缸内往复运动使缸内工作容积交替增大和缩小来输送液体或使之增压的容积式泵。目前，在高压水射流辅助破岩落煤、井下液压支柱供液、高压水射流清洗、冶金除鳞、粉末冶金、船舶清洗除污、基础工程、液体输送、工程掘进以及各种胶管、金属管、油田钻井井口设备试压用泵都应用着各种高压往复泵。而往复泵中液力端总成和动力端总成的使用寿命则是其应用的关键，现有技术中往复泵液力端主要存在的问题，其一，流量相对偏小，其二为填料函结构复杂，不易拆卸。A reciprocating pump is a positive displacement pump that relies on the reciprocating movement of a piston, plunger or diaphragm in a pump cylinder to alternately increase and decrease the working volume in the cylinder to deliver or pressurize liquid. At present, it is widely used in high-pressure water jet-assisted rock breaking and coal dropping, underground hydraulic prop liquid supply, high-pressure water jet cleaning, metallurgical descaling, powder metallurgy, ship cleaning and decontamination, foundation engineering, liquid transportation, engineering excavation, and various rubber hoses and metal pipes. Various high-pressure reciprocating pumps are used in pumps for pressure testing of oil field drilling wellhead equipment. The service life of the hydraulic end assembly and the power end assembly in the reciprocating pump is the key to its application. The main problems existing in the liquid end of the reciprocating pump in the prior art are, first, the flow rate is relatively small, and the second is that the packing The structure of the letter is complex and difficult to disassemble.
发明内容Contents of the invention
本实用新型要解决的问题是提供一种结构简单，减少液力端故障率，改善液力端上填料函的工作状况，工作平稳，能够适应大流量要求的高压往复泵液力端结构。The problem to be solved by the utility model is to provide a liquid end structure of a high-pressure reciprocating pump that has a simple structure, reduces the failure rate of the liquid end, improves the working condition of the stuffing box on the liquid end, works smoothly, and can meet the requirements of large flow.
为解决上述技术问题，本实用新型采用的技术方案是：一种高压往复泵液力端结构，包括泵头、阀组、填料函，所述阀组设置于泵头内部，所述泵头与托架相连，所述填料函通过托架固定在泵头上，所述填料函、托架和泵头通过内六角螺钉相连，所述泵头与填料函相接处设置有第一O形密封圈，所述填料函包括填料盒、柱塞、填料盒弹簧、弹簧压套、填料密封、密封压套和锁紧母，所述柱塞设置于填料盒内部，所述填料盒上方和下方靠近泵头位置，分别设置有上突起结构和下突起结构，所述填料盒弹簧，弹簧压套，填料密封，密封压套和锁紧母依次设置于填料盒与柱塞之间，所述密封压套与填料盒之间设置有第二O形密封圈，该密封压套与柱塞之间设置有U形密封圈。In order to solve the above technical problems, the technical solution adopted by the utility model is: a hydraulic end structure of a high-pressure reciprocating pump, including a pump head, a valve group, and a stuffing box. The valve group is arranged inside the pump head, and the pump head and The bracket is connected, the stuffing box is fixed on the pump head through the bracket, the stuffing box, the bracket and the pump head are connected by hexagon socket screws, and the first O-shaped seal is arranged at the joint between the pump head and the stuffing box The stuffing box includes a stuffing box, a plunger, a stuffing box spring, a spring gland, a stuffing seal, a sealing gland and a locking nut. The plunger is arranged inside the stuffing box, and the top and bottom of the stuffing box are close to The position of the pump head is respectively provided with an upper protruding structure and a lower protruding structure. The stuffing box spring, spring compression sleeve, packing seal, sealing compression sleeve and locking nut are sequentially arranged between the stuffing box and the plunger. The sealing pressure A second O-shaped sealing ring is arranged between the sleeve and the stuffing box, and a U-shaped sealing ring is arranged between the sealing pressure sleeve and the plunger.
所述上突起结构上设置有吊环螺钉。Eyebolts are arranged on the upper protruding structure.
所述填料密封采用花填料。The packing seal adopts flower packing.
所述第一O形密封圈和第二O形密封圈均采用氟橡胶。Both the first O-ring and the second O-ring are made of fluorine rubber.
所述U形密封圈采用丁腈橡胶。The U-shaped sealing ring is made of nitrile rubber.
由于采用上述技术方案，通过对填料函的合理配置，使本往复泵流量大，工作平稳，且该填料函通过内六角螺钉与托架和泵头相连，结构简单，容易拆卸更换，避免拆卸泵头，方便维修，减少液力端故障率。Due to the adoption of the above technical scheme, the reciprocating pump has a large flow rate and stable operation through the reasonable configuration of the stuffing box, and the stuffing box is connected with the bracket and the pump head through the hexagon socket head screw, the structure is simple, and it is easy to disassemble and replace, avoiding the need to disassemble the pump. The head is convenient for maintenance and reduces the failure rate of the fluid end.
本实用新型的有益效果是：具有结构简单，减少液力端故障率，改善液力端上填料函的工作状况，工作平稳，能够适应大流量要求的优点。The beneficial effects of the utility model are: the utility model has the advantages of simple structure, reducing the failure rate of the fluid end, improving the working condition of the stuffing box on the fluid end, stable operation, and being able to adapt to the requirement of large flow.
附图说明Description of drawings
下面通过参考附图并结合实例具体地描述本实用新型，本实用新型的优点和实现方式将会更加明显，其中附图所示内容仅用于对本实用新型的解释说明，而不构成对本实用新型的任何意义上的限制，在附图中：The utility model is specifically described below with reference to the accompanying drawings and in conjunction with examples. The advantages and implementation methods of the present utility model will be more obvious. Any sense of limitation, in the attached drawing:
图1是本实用新型的结构示意图Fig. 1 is a structural representation of the utility model
图2是本实用新型填料函的结构示意图Fig. 2 is the structural representation of the stuffing box of the utility model
图中：In the picture:
1、泵头2、阀组3、柱塞1. Pump head 2. Valve group 3. Plunger
4、填料函5、托架6、内六角螺钉4. Stuffing box 5. Bracket 6. Hexagon socket screw
7、第一O形密封圈8、填料盒9、上突起结构7. The first O-shaped sealing ring 8. Stuffing box 9. Upper protrusion structure
10、下突起结构11、填料盒弹簧12、弹簧压套10. Lower protrusion structure 11. Stuffing box spring 12. Spring compression sleeve
13、填料密封14、密封压套15、锁紧母13. Packing seal 14. Sealing gland 15. Lock nut
16、第二O形密封圈17、U形密封圈18、吊环螺钉16. The second O-shaped sealing ring 17, U-shaped sealing ring 18, lifting ring screw
具体实施方式detailed description
如图1和图2所示，本实用新型一种高压往复泵液力端结构，包括泵头1、阀组2、填料函4，所述阀组2设置于泵头1内部，所述泵头1与托架5相连，所述填料函4通过托架5固定在泵头1上，所述填料函4、托架5和泵头1通过内六角螺钉6相连，所述泵头1与填料函4相接处设置有第一O形密封圈7，所述填料函4包括填料盒8、柱塞3、填料盒弹簧11、弹簧压套12、填料密封13、密封压套14和锁紧母15，所述柱塞3设置于填料盒8内部，所述填料盒8上方和下方靠近泵头1位置，分别设置有上突起结构9和下突起结构10，所述填料盒弹簧11，弹簧压套12，填料密封13，密封压套14和锁紧母15依次设置于填料盒8与柱塞3之间，所述密封压套14与填料盒8之间设置有第二O形密封圈16，该密封压套14与柱塞3之间设置有U形密封圈17；所述上突起结构9上设置有吊环螺钉18；所述填料密封13采用花填料；所述第一O形密封圈7和第二O形密封圈16均采用氟橡胶；所述U形密封圈17采用丁腈橡胶。As shown in Figure 1 and Figure 2, the utility model is a hydraulic end structure of a high-pressure reciprocating pump, including a pump head 1, a valve group 2, and a stuffing box 4, the valve group 2 is arranged inside the pump head 1, and the pump The head 1 is connected with the bracket 5, the stuffing box 4 is fixed on the pump head 1 through the bracket 5, the stuffing box 4, the bracket 5 and the pump head 1 are connected with the hexagon socket head cap screws 6, and the pump head 1 is connected with the pump head 1 A first O-ring 7 is provided at the junction of the stuffing box 4, and the stuffing box 4 includes a stuffing box 8, a plunger 3, a stuffing box spring 11, a spring gland 12, a stuffing seal 13, a sealing gland 14 and a lock Tightening nut 15, the plunger 3 is arranged inside the stuffing box 8, the upper and lower parts of the stuffing box 8 are close to the position of the pump head 1, and the upper protruding structure 9 and the lower protruding structure 10 are respectively provided, and the stuffing box spring 11, Spring gland 12, stuffing seal 13, gland gland 14 and lock nut 15 are sequentially arranged between stuffing box 8 and plunger 3, and a second O-shaped seal is arranged between said gland gland 14 and stuffing box 8 Ring 16, a U-shaped sealing ring 17 is arranged between the sealing gland 14 and the plunger 3; an eyebolt 18 is arranged on the upper protruding structure 9; the packing seal 13 adopts flower packing; the first O-shaped Both the sealing ring 7 and the second O-shaped sealing ring 16 are made of fluorine rubber; the U-shaped sealing ring 17 is made of nitrile rubber.
通过对填料函4的合理配置，使本往复泵流量大，工作平稳，且该填料函4通过内六角螺钉6与托架5和泵头1相连，结构简单，容易拆卸更换，避免拆卸泵头，方便维修，减少液力端故障率。Through the reasonable configuration of the stuffing box 4, the flow rate of the reciprocating pump is large and the operation is stable, and the stuffing box 4 is connected with the bracket 5 and the pump head 1 through the hexagon socket screw 6, the structure is simple, easy to disassemble and replace, and the pump head can be avoided. , to facilitate maintenance and reduce the failure rate of fluid end.
以上对本实用新型的实施例进行了详细说明，但所述内容仅为本实用新型的较佳实施例，不能被认为用于限定本实用新型的实施范围。凡依本实用新型范围所作的均等变化与改进等，均应仍归属于本专利涵盖范围之内。The embodiments of the present utility model have been described in detail above, but the content described is only a preferred embodiment of the present utility model, and cannot be considered as limiting the implementation scope of the present utility model. All equal changes and improvements made according to the scope of the present utility model should still belong to the scope covered by this patent.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520739554.3U CN204941896U (en) | 2015-09-21 | 2015-09-21 | A kind of high pressure reciprocating pump fluid end structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520739554.3U CN204941896U (en) | 2015-09-21 | 2015-09-21 | A kind of high pressure reciprocating pump fluid end structure |
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| Publication Number | Publication Date |
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| CN204941896U true CN204941896U (en) | 2016-01-06 |
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| CN201520739554.3U Expired - Lifetime CN204941896U (en) | 2015-09-21 | 2015-09-21 | A kind of high pressure reciprocating pump fluid end structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266368A (en) * | 2018-01-30 | 2018-07-10 | 浙江大农实业股份有限公司 | 100KW grade high-pressure plunger pumps with self-cleaning function |
-
2015
- 2015-09-21 CN CN201520739554.3U patent/CN204941896U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266368A (en) * | 2018-01-30 | 2018-07-10 | 浙江大农实业股份有限公司 | 100KW grade high-pressure plunger pumps with self-cleaning function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No.15, Xinghua second branch road, economic and Technological Development Zone, Xiqing District, Tianjin Patentee after: TIANJIN TONGJIE HIGH PRESSURE PUMP Co.,Ltd. Address before: 300385 building B, No.10 Saida Industrial Park, Xiqing Economic and Technological Development Zone, Tianjin Patentee before: TIANJIN TONGJIE HIGH PRESSURE PUMP Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20160106 |