CN2895799Y - Reciprocation pump hydraulic-end sealing device - Google Patents
Reciprocation pump hydraulic-end sealing device Download PDFInfo
- Publication number
- CN2895799Y CN2895799Y CNU2006200242571U CN200620024257U CN2895799Y CN 2895799 Y CN2895799 Y CN 2895799Y CN U2006200242571 U CNU2006200242571 U CN U2006200242571U CN 200620024257 U CN200620024257 U CN 200620024257U CN 2895799 Y CN2895799 Y CN 2895799Y
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- China
- Prior art keywords
- seal
- sealing device
- end sealing
- pump hydraulic
- reciprocating pump
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- Expired - Fee Related
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Abstract
The utility model relates to a reciprocation pump hydraulic-end sealing device which is for the mining industry technical field, is used to resolve the problem that the sealing material is easy to wear and break, arousing to frequently stop and maintain the pump, low efficiency. The reciprocation pump hydraulic-end sealing device is that a sealed shell (6) is connected with a sealed shell gland (2)by the thread(8), the sealed shell inner(6)is composed of a rigid sealing package(4)passing through the central part of the shell, the soft seal circles of the both ends(3) and support guide circle(7), a pressured elastic support ring(5). Such reciprocating pump hydraulic-end sealing device can be widely used for the relatively reciprocating movement machine.
Description
Technical field
The utility model relates to a kind of reciprocating pump fluid end seal arrangement, particularly a kind of reciprocating pump fluid end seal arrangement that is used for the industrial and mineral industry
Background technique
In the industrial and mineral industry, reciprocating pump commonly used mainly is divided into two kinds of reciprocating pump and plunger pumps, because the delivery pressure of reciprocating pump liquid is big, thereby lifting rate makes the sealing of its fluid end become a great problem greatly, the sealing means that we mainly use now is the contact seal mode, the sealing means of the sealing means of just hard cylinder sleeve and soft piston and hard plunger and soft packing, but under the working condition of the long-time high pressure of reciprocating pump, big discharge capacity, the soft sealing material of its fluid end and easy to wear breaks.Frequently termination of pumping maintenance brings a very big trouble and a difficult problem not only under this condition the ordinary production of industrial and mining enterprise, and also making has no small loss economically.In order to solve an above-mentioned difficult problem, many a long time ago enterprises and R﹠D institution want to use gap sealed mode, just piston and cylinder sleeve; Plunger and filler all use the very high material of hardness, utilize very little matching gap to reach the sealing effect of reciprocating pump fluid end between the two, this sealing means requires very high for the overall performance of reciprocating pump, the coaxality of the power lever of power end and the piston rod of fluid end or plunger and oscillating quantity all can not be greater than the matching gaps of sealing surface, this technical order is to be difficult to realize in the reciprocating pump production process, so the mode of now using is old-fashioned contact seal mode always.Its deficiency is that soft sealing material is easy to wear and break, and causes frequent termination of pumping maintenance, and working efficiency is lower.
Summary of the invention
The utility model overcomes deficiency of the prior art, and a kind of anti abrasive reciprocating pump fluid end seal arrangement is provided.
In order to solve the problem of above-mentioned technology, the utility model is achieved through the following technical solutions: reciprocating pump fluid end seal arrangement is that seal casinghousing is connected with the seal casinghousing gland by screw thread, by the hard stuffing box gland at middle part and the soft seal circle and the support guide circle at two ends thereof, be pressed with the elastic support circle and form in the seal casinghousing.
The utility model also can be achieved through the following technical solutions: above-mentioned hard stuffing box gland is made by stupalith.
Compared with prior art, the utility model has the advantages that: having solved the coaxality of the piston rod of the power lever of reciprocating pump power end and fluid end or plunger and oscillating quantity can not be greater than the problem of the matching gap of sealing surface, thereby it is good, wear-resistant to have had clearance seal, frequently termination of pumping maintenance, working efficiency is higher, and is good in economic efficiency.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail: the utility model support guide circle 7 of in seal casinghousing 6, packing into; make seal when the high speed to-and-fro motion, obtain good guiding supporting effect; the elastic support of then packing into circle 5 with protection hard stuffing box gland 4 the coaxality of power end power lever and fluid end piston rod or plunger and oscillating quantity vibration and the destruction during greater than seal clearance; the hard stuffing box gland 4 of packing under the situation that compresses elastic support circle 5 again makes the pump housing reach good air-proof condition.The soft seal circle 3 of packing on elastic support circle 5 and hard stuffing box gland 4 had more both protected hard stuffing box gland 4 not to be subjected to the damage of impurity in working environment, had improved the sealing of seal arrangement again.At last seal casinghousing gland 2 is compressed each Sealing in the seal casinghousing 6 by screw thread 8, form sealer with assembled.Thereby this seal arrangement reaches high performance sealing effect by the to-and-fro motion with sealed body 1.This seal arrangement is the working condition lower seal best results of stupalith at sealed body 1 and hard stuffing box gland 4.The combined seal arrangement of clearance seal of having formed a kind of novel contact sealing and the protection of flexible blocking materials.Thereby seal that this seal arrangement forms and the relative movement between the sealed body form new sealing means.
Advantage of the present utility model is that this is the new type sealing device that a kind of contact seal combines with the clearance seal of flexible blocking materials protection; this sealing not only has the performance of contact seal; again since the hard sealing material under the protection of elastic support material; can not be thereby solved the coaxality of the piston rod of the power lever of reciprocating pump power end and fluid end or plunger and oscillating quantity greater than the problem of the matching gap of sealing surface, thus gap sealed advantage had.This novel reciprocating pump fluid end sealer with assembled, in working order down because the existence of contact seal makes fine impurities such as the dirt of the pump housing in carrying liquid, sand grains can not enter in the gap of clearance seal face, thereby reduce or avoided the damage of impurity clearance plane, gap sealed existence also makes liquid reduce the pressure to the soft sealing material of contact seal, thereby has reduced wearing and tearing and broken.The relative combination with clearance seal of contact seal makes this seal arrangement on working life and raising pump efficiency rapid progress arranged all.
Claims (2)
1, a kind of reciprocating pump fluid end seal arrangement, it is characterized in that seal casinghousing (6) is connected with seal casinghousing gland (2) by screw thread (8), by the hard stuffing box gland (4) at middle part and the soft seal circle (3) and the support guide circle (7) at two ends thereof, be pressed with elastic support circle (5) and form in the seal casinghousing (6).
2, reciprocating pump fluid end seal arrangement as claimed in claim 1 is characterized in that hard stuffing box gland (4) made by stupalith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200242571U CN2895799Y (en) | 2006-04-29 | 2006-04-29 | Reciprocation pump hydraulic-end sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200242571U CN2895799Y (en) | 2006-04-29 | 2006-04-29 | Reciprocation pump hydraulic-end sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2895799Y true CN2895799Y (en) | 2007-05-02 |
Family
ID=38065376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200242571U Expired - Fee Related CN2895799Y (en) | 2006-04-29 | 2006-04-29 | Reciprocation pump hydraulic-end sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2895799Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202181A (en) * | 2015-09-21 | 2015-12-30 | 济南大学 | Combined ceramic piston device |
| CN106369165A (en) * | 2015-07-23 | 2017-02-01 | 杉野机械股份有限公司 | Ultrahigh-pressure sealing device and reciprocating pump |
-
2006
- 2006-04-29 CN CNU2006200242571U patent/CN2895799Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369165A (en) * | 2015-07-23 | 2017-02-01 | 杉野机械股份有限公司 | Ultrahigh-pressure sealing device and reciprocating pump |
| CN105202181A (en) * | 2015-09-21 | 2015-12-30 | 济南大学 | Combined ceramic piston device |
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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 |