CN208831225U - A kind of leak-proof device of reciprocating piston pump - Google Patents
A kind of leak-proof device of reciprocating piston pump Download PDFInfo
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- CN208831225U CN208831225U CN201821323535.2U CN201821323535U CN208831225U CN 208831225 U CN208831225 U CN 208831225U CN 201821323535 U CN201821323535 U CN 201821323535U CN 208831225 U CN208831225 U CN 208831225U
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- piston
- seal
- pull rod
- active
- leak
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Abstract
The utility model provides a kind of leak-proof device of reciprocating piston pump, comprising: fixed shell, two end caps, pull rod, drive end seal assembly and piston end seal assembly；Two end caps are separately fixed at the both ends of fixed shell；Pull rod is arranged in set casing body, and both ends are pierced by end cap, and one end is connect with driving device；The other end is connect with piston component.It the advantage is that sealing effect is good, long service life, maintenance and repair is conveniently；Improve service life of equipment simultaneously, the production efficiency of raising has saved production cost, and reduces the labor intensity of operator.
Description
Technical field
The utility model relates to a kind of leak-proof devices of reciprocating piston pump.
Background technique
Slush pump is geological prospecting work, especially conveys the machinery of the flushing liquors such as mud or water in probing into drilling,
It is the important component of boring mechanic equipment.It is found in long-term production use, after pull rod and pump head union end sealing wear
Mud injecting type is caused to reveal, mud baffle can not prevent mud from invading along pull rod to gearbox.And former pass a bridge joins with gearbox
Connecing one end seal form can only prevent gear-box lubricating oil from leaking, and can not prevent the intrusion of external mud.It is big due to containing in mud
Tiny sand grains is measured, once slurry compounding gearbox, will cause the damage of the parts such as gearbox inner link crankshaft, shaft gear and bearing
It is bad, production efficiency is not only seriously affected, maintenance cost is also increased.
Utility model content
A kind of leak-proof device of reciprocating piston pump of the offer of the utility model, it is structurally reasonable, easy for installation, use the longevity
The leak-proof device for the reciprocating piston pump that life is long, work efficiency is high；Prior art problem is solved, to overcome lacking for the prior art
It falls into.
The utility model provides a kind of leak-proof device of reciprocating piston pump, comprising: fixed shell, two end caps, pull rod,
Drive end seal assembly and piston end seal assembly；Two end caps are separately fixed at the both ends of fixed shell；Pull rod setting is solid
In fixed shell, and both ends are pierced by end cap, and one end is connect with driving device；The other end is connect with piston component；Drive end sealing group
Part includes realizing active sealing seat, at least one active seal, active pressing sleeve and active clamp nut；The fixation of realizing active sealing seat
On the end cap close to driving device, and cover on pull rod；Active seal covers on pull rod, and has the initiative in seal receptacle,
One end face of active seal is against on the end surface of step hole of realizing active sealing seat；Active pressing sleeve covers on pull rod, and is against master
On another end face of dynamic seal；Active clamp nut covers on active pressing sleeve, and engages with the screw thread of realizing active sealing seat, pressure
Tight active seal；Piston end seal assembly, including, piston seal seat, at least one piston seal, piston pressing sleeve and piston
Clamp nut；Piston seal seat is fixed on the end cap of piston component, and is covered on pull rod；Piston seal is covered in pull rod
On, and in piston seal seat, an end face of piston seal is against on the end surface of step hole of piston seal seat；Piston pressure
It covers on pull rod, and is against on another end face of piston seal；Piston compression nut covers on piston pressing sleeve, and with work
Fill in the screw thread engagement of seal receptacle, clamping piston sealing element.
Further, the utility model provides a kind of leak-proof device of reciprocating piston pump, can also have the following features:
It further include mud barrier assembly；Mud barrier assembly is arranged between drive end seal assembly and piston end seal assembly；Mud
Barrier assembly includes mud baffle, mud sealing ring and mud fixing screws；Mud baffle covers on pull rod；Mud sealing ring
It covers on pull rod, and in mud baffle；Mud fixing screws pass through mud baffle, engage with the internal screw thread on pull rod.
Further, the utility model provides a kind of leak-proof device of reciprocating piston pump, can also have the following features:
Mud sealing ring is O-ring seal.
Further, the utility model provides a kind of leak-proof device of reciprocating piston pump, can also have the following features:
Drive end seal assembly further includes lip-type packing and retainer ring；Lip packing snare is open on pull rod towards driving device；Card
Circle is stuck in the card slot of realizing active sealing seat, and lip-type packing is fixed in realizing active sealing seat.
Further, the utility model provides a kind of leak-proof device of reciprocating piston pump, can also have the following features:
Lip-type packing is that interior packet skeleton rotates lip-shaped sealed ring.
Further, the utility model provides a kind of leak-proof device of reciprocating piston pump, can also have the following features:
Active seal and/or piston seal are that V-type presss from both sides fabric rubber seal.
Further, the utility model provides a kind of leak-proof device of reciprocating piston pump, can also have the following features:
The quantity of active seal is 4, forms Fourth Ring unification.
Further, the utility model provides a kind of leak-proof device of reciprocating piston pump, can also have the following features:
The quantity of piston seal is 5, forms five rings unification.
Further, the utility model provides a kind of leak-proof device of reciprocating piston pump, can also have the following features:
Fixed shell includes upper bridge crossing plate and lower bridge crossing plate.
Further, the utility model provides a kind of leak-proof device of reciprocating piston pump, can also have the following features:
If arterial highway reinforcing rib is respectively set in upper bridge crossing plate and/or lower bridge crossing plate.
The utility model provides a kind of leak-proof device of reciprocating piston pump, and sealing effect is good, long service life, maintenance dimension
It repairs conveniently；Improve service life of equipment simultaneously, the production efficiency of raising has saved production cost, and reduced operator's
Labor intensity.
Detailed description of the invention
Fig. 1 is the semi-cutaway of the leak-proof device of reciprocating piston pump in embodiment.
Specific embodiment
The utility model is further described in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, in the present embodiment, the leak-proof device of reciprocating piston pump, including, fixed 10, two end caps of shell
20, pull rod 30, drive end seal assembly 40, piston end seal assembly 50 and mud barrier assembly 60.
Fixed shell 10 includes: upper bridge crossing plate 11 and lower bridge crossing plate 12, all has 3 10 × 8 × 218 to reinforce in the two
Muscle 11-1,12-1 increase its intensity.Upper bridge crossing plate 11 and lower bridge crossing plate 12 are all fixed, can be with according to actual use situation
It is fixed on the bracket of corresponding equipment.The both ends that screw is fixed on fixed shell 10 are respectively adopted in two end caps 20.
The setting of pull rod 30 is arranged between upper bridge crossing plate 11 and lower bridge crossing plate 12 in fixed shell 10.30 liang of pull rod
End is pierced by end cap 10, and left end is connect with driving device 100；Right end is connect with piston component 200.
In the present embodiment, driving device 100 includes: gearbox 110 and crankshaft 120.The rotatable fixation in 120 upper end of crankshaft,
Lower end is fixedly connected with the output shaft of gearbox 110.The left end of pull rod 30 covers on crankshaft 120, with the rotatable company of crankshaft 120
It connects.The output shaft of gearbox 110 rotates, and band dynamic crankshaft 120 rotates, to drive 30 horizontal reciprocating movement of pull rod.Piston component
It include: piston seat 210, piston 220, piston pressing plate 230, piston pad 240 and piston unt 250.210 sets of piston seat in pull rod
30 right end；220 sets of piston on piston seat 210；230 sets of piston pressing plate on pull rod 30, and are pressed on piston 220, piston
240 sets of gasket on pull rod 30, are close to the end face of piston pressing plate 230, piston unt 250 and the external screw thread of 20 right end of pull rod are nibbled
It closes, piston component 200 is fixed on to the right end of pull rod 30, is moved back and forth together with pull rod 30.
Drive end seal assembly 40 includes: 41,4 active seals 42 of realizing active sealing seat, active pressing sleeve 43, actively compresses
Nut 44, lip-type packing 45 and retainer ring 46.
Realizing active sealing seat 41 is fixed by screws in left side on the end cap 20 of driving device 100, and covers in pull rod 30
On.Four active seals 42 are V-type folder fabric rubber seal, and specification can be selected for Type B, and 25 × 40, form Fourth Ring
Unification.42 sets of active seal on pull rod 30, and have the initiative in seal receptacle 41.One end face of active seal 41 is against
On the end face of 41 stepped hole of active seal seat.43 sets of active pressing sleeve on pull rod 30, and are against the another of active seal 42
On a end face.44 sets of active clamp nut are engaged on active pressing sleeve 43, and with the screw thread of realizing active sealing seat 41, are compressed actively close
Sealing 42.Lip-type packing 45 is that interior packet skeleton rotates lip-shaped sealed ring, can select the non-GB9877.1-88 of specification, 40 × 25
×10.45 sets of lip-type packing on pull rod 30, are open towards driving device 100.Retainer ring 46 is stuck in the card of realizing active sealing seat 41
In slot, lip-type packing 45 is fixed in realizing active sealing seat 41.
Piston end seal assembly 50 includes: 51,5 piston seals 52 of piston seal seat, piston pressing sleeve 53 and piston pressure
Tight nut 54.
Piston seal seat 51 is fixed on right side on the end cap 20 of piston component 200 using screw, and covers in pull rod 30
On.Five piston seals 52 are V-type folder fabric rubber seal, and specification can be selected for Type B, and 25 × 40, form five rings
Unification.52 sets of piston seal on pull rod 30, and in the piston seal seat 51.One end face of piston seal 52 is against
On the end surface of step hole of piston seal seat 51.53 sets of piston pressing sleeve on pull rod 30, and be against piston seal 52 another
On end face.54 sets of piston compression nut are engaged on piston pressing sleeve 52, and with the screw thread of piston seal seat 51, clamping piston sealing
Part 52.
Mud barrier assembly 60 is arranged between drive end seal assembly 40 and piston end seal assembly 50.Mud blocking group
Part 60 includes: mud gear: 61, mud sealing ring 62 and mud fixing screws 63.
61 sets of mud baffle on pull rod 30.Mud sealing ring 62 is O-ring seal, is covered on pull rod 30, and is in mud
It starches in baffle 61.Mud fixing screws 63 pass through mud baffle 61, engage with the internal screw thread on pull rod 30, realize mud baffle 61
Fixation.
The leak-proof device of reciprocating piston pump effectively prevents extraneous mud to penetrate into gearbox and change in production and application
Fast case oil leakage, seal form is reliable, and maintenance maintenance is convenient.
Above embodiments only describe the main feature and innovative point of this programme.This programme is not by the limit of above-described embodiment
System, under the premise of not departing from innovative point and protection scope of the present invention, this programme also has various change, these changes and improvements
It falls in the claimed range of this programme.
Claims (10)
1. a kind of leak-proof device of reciprocating piston pump, it is characterised in that: including fixed shell, two end caps, pull rod, actives
Hold seal assembly and piston end seal assembly；
Wherein, two end caps are separately fixed at the both ends of the fixed shell；
The pull rod is arranged in the set casing body, and both ends are pierced by the end cap, and one end is connect with driving device；The other end
It is connect with piston component；
The drive end seal assembly includes, and realizing active sealing seat, at least one active seal, active pressing sleeve and actively compresses spiral shell
It is female；
The realizing active sealing seat is fixed on the end cap of driving device, and is covered on the pull rod；
The active seal covers on the pull rod, and in the realizing active sealing seat, and one of the active seal
End face is against on the end surface of step hole of the realizing active sealing seat；
The active pressing sleeve covers on the pull rod, and is against on another end face of the active seal；
The active clamp nut covers on the active pressing sleeve, and engages with the screw thread of the realizing active sealing seat, described in compression
Active seal；
The piston end seal assembly, including, piston seal seat, at least one piston seal, piston pressing sleeve and piston compress
Nut；
The piston seal seat is fixed on the end cap of piston component, and is covered on the pull rod；
The piston seal covers on the pull rod, and in the piston seal seat, and one of the piston seal
End face is against on the end surface of step hole of the piston seal seat；
The piston pressing sleeve covers on the pull rod, and is against on another end face of the piston seal；
The piston compression nut covers on the piston pressing sleeve, and engages with the screw thread of the piston seal seat, described in compression
Piston seal.
2. the leak-proof device of reciprocating piston pump as described in claim 1, it is characterised in that:
It further include mud barrier assembly；
The mud barrier assembly is arranged between the drive end seal assembly and piston end seal assembly；
The mud barrier assembly includes mud baffle, mud sealing ring and mud fixing screws；
The mud baffle covers on the pull rod；
The mud sealing snare is in the mud baffle on the pull rod；
The mud fixing screws pass through the mud baffle, engage with the internal screw thread on the pull rod.
3. the leak-proof device of reciprocating piston pump as claimed in claim 2, it is characterised in that:
Wherein, the mud sealing ring is O-ring seal.
4. the leak-proof device of reciprocating piston pump as described in claim 1, it is characterised in that:
Wherein, the drive end seal assembly further includes lip-type packing and retainer ring；
The lip packing snare is open on the pull rod towards driving device；
The retainer ring is stuck in the card slot of the realizing active sealing seat, and the lip-type packing is fixed on the realizing active sealing seat
It is interior.
5. the leak-proof device of reciprocating piston pump as claimed in claim 4, it is characterised in that:
Wherein, the lip-type packing is that interior packet skeleton rotates lip-shaped sealed ring.
6. the leak-proof device of reciprocating piston pump as described in claim 1, it is characterised in that:
Wherein, the active seal and/or piston seal are that V-type presss from both sides fabric rubber seal.
7. the leak-proof device of reciprocating piston pump as claimed in claim 6, it is characterised in that:
Wherein, the quantity of the active seal is 4, forms Fourth Ring unification.
8. the leak-proof device of reciprocating piston pump as claimed in claim 6, it is characterised in that:
Wherein, the quantity of the piston seal is 5, forms five rings unification.
9. the leak-proof device of reciprocating piston pump as described in claim 1, it is characterised in that:
Wherein, the fixed shell includes upper bridge crossing plate and lower bridge crossing plate.
10. the leak-proof device of reciprocating piston pump as claimed in claim 9, it is characterised in that:
Wherein, if arterial highway reinforcing rib is respectively set in the upper bridge crossing plate and/or lower bridge crossing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821323535.2U CN208831225U (en) | 2018-08-16 | 2018-08-16 | A kind of leak-proof device of reciprocating piston pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821323535.2U CN208831225U (en) | 2018-08-16 | 2018-08-16 | A kind of leak-proof device of reciprocating piston pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208831225U true CN208831225U (en) | 2019-05-07 |
Family
ID=66309496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821323535.2U Active CN208831225U (en) | 2018-08-16 | 2018-08-16 | A kind of leak-proof device of reciprocating piston pump |
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| Country | Link |
|---|---|
| CN (1) | CN208831225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757430A (en) * | 2018-08-16 | 2018-11-06 | 中船勘察设计研究院有限公司 | The leak-proof device of reciprocating pump |
-
2018
- 2018-08-16 CN CN201821323535.2U patent/CN208831225U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757430A (en) * | 2018-08-16 | 2018-11-06 | 中船勘察设计研究院有限公司 | The leak-proof device of reciprocating pump |
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