CN209340135U - A kind of screw pump mechanical seal rinsing system - Google Patents
A kind of screw pump mechanical seal rinsing system Download PDFInfo
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- CN209340135U CN209340135U CN201821998940.4U CN201821998940U CN209340135U CN 209340135 U CN209340135 U CN 209340135U CN 201821998940 U CN201821998940 U CN 201821998940U CN 209340135 U CN209340135 U CN 209340135U
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- flushing
- seal receptacle
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- machine
- seal
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Abstract
The utility model discloses a kind of screw pump mechanical seal rinsing systems, including the pump housing, motor, axis hole is arranged in the front end of the pump housing, seal receptacle, machine envelope connecting plate is arranged with outside seal receptacle, machine envelope connecting plate is provided with bearing block away from pump housing drive end bearing bracket side, seal receptacle is provided with single mechanical end face seal compatible with motor crankshaft in pump housing drive end bearing bracket side, seal receptacle is built-in with outside framework oil seal close to bearing block side, in the middle part of its seal receptacle and the cooperation of motor crankshaft lateral surface forms machine sealing flushing chamber, the top of machine sealing flushing chamber and outside framework oil seal connect, seal receptacle side is provided with one group of seal receptacle flushing hole being connected with machine sealing flushing chamber, machine envelope connecting plate side is provided with one group and corresponds the machine sealing flushing disengaging through-hole being connected to seal receptacle flushing hole.The utility model, which efficiently solves, solves existing screw pump complicated integral structure, and spatial dimension needed for rinsing source interface is big, influences on pump machine design rigid big and at high cost.
Description
Technical field
The utility model relates to pump field more particularly to a kind of screw pump mechanical seal rinsing system.
Background technique
Convey heavy oil product (pitch etc.) in the market, it is desirable that pump wears the outer rinse-system of Plan62, and current majority is by machine
Tool seals producer's design in integrated mechanical sealing, and complicated integral structure, spatial dimension needed for rinsing source interface is big, to pump machine
It is big and at high cost to design rigid influence, now seeks a kind of simple and practical scenario-frame.
When integrated mechanical sealing mounting structure is complicated, space needed for axial length direction is big, causes pump design difficulty big, axis
Span factory is held, rigid equal difference when using at the scene, the not strong disadvantage of equipment dependability.
Utility model content
The purpose of the utility model is to provide a kind of screw pump mechanical seal rinsing systems, solve existing screw pump and integrally tie
Structure is complicated, and spatial dimension needed for rinsing source interface is big, influences on pump machine design rigid big and at high cost.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of screw pump mechanical seal rinsing system
System, including the pump housing and the motor being connected with the pump housing, the front end of the pump housing is provided with axis hole compatible with motor crankshaft, before the pump housing
End is provided with seal receptacle compatible with motor crankshaft, and machine envelope connecting plate is arranged with outside seal receptacle, and machine envelope connecting plate deviates from pump
Body drive end bearing bracket side is provided with bearing block, and seal receptacle is provided with list compatible with motor crankshaft in pump housing drive end bearing bracket side
End surface mechanical sealing, seal receptacle are built-in with outside framework oil seal close to bearing block side, match in the middle part of seal receptacle with motor crankshaft lateral surface
Synthesis type has machine sealing flushing chamber, and the top of machine sealing flushing chamber and outside framework oil seal connect, and seal receptacle side is provided with one group and machine envelope
The seal receptacle flushing hole that chamber is connected is rinsed, machine envelope connecting plate side is provided with one group and is connected to seal receptacle flushing hole one-to-one correspondence
Machine sealing flushing pass in and out through-hole.
Further, the pump housing is provided with Double-shaft-and-hole, and each axis hole forms a machine sealing flushing chamber with seal receptacle respectively；Sealing
The corresponding each machine sealing flushing chamber of seat is respectively provided with there are two the seal receptacle flushing hole of the 180 ° of arrangements in interval, one of them is seal receptacle flushing
Into hole, the flushing of another unsealing seat is portalled；Machine envelope connecting plate correspond to each machine sealing flushing chamber be respectively provided with there are two interval 180 ° arrange
The machine sealing flushing of column passes in and out through-hole, and machine sealing flushing passes in and out through-hole and seal receptacle flushing hole is corresponded and is coaxially disposed, two machines
It is that machine sealing flushing rinses to portal to be connected to and is into hole with seal receptacle that envelope, which rinses in disengaging through-hole and with seal receptacle is flushed into hole and is connected to,
Machine sealing flushing is portalled；Be provided with outside the pump housing import flushing pipe and outlet flushing pipe, each machine sealing flushing into hole respectively and into
Mouth flushing pipe is connected, and each machine sealing flushing portals and is connected respectively with outlet flushing pipe.
Further, indent is enclosed around on the outside of seal receptacle one and form annular groove, be provided in annular groove and machine Feng Lian
The "O"-ring that fishplate bar inner sidewall connects.
Further, machine sealing flushing disengaging lead to the hole site is located on the outside of machine envelope connecting plate and is provided with resigning step surface, import
Flushing pipe and outlet flushing pipe device are on resigning step surface.
The utility model has the beneficial effects that single mechanical end face seal, seal receptacle middle part and electricity are installed in pump housing drive end bearing bracket side
Machine arbor lateral surface cooperation molding machine sealing flushing chamber, can introduce outer scouring media cooling and lubricating mechanical seal, while very very well
Good is utilized pump shaft size, efficiently solves and solves existing screw pump complicated integral structure, space model needed for rinsing source interface
It encloses greatly, big and at high cost problem is influenced on pump machine design rigid.
Below with reference to drawings and examples, the utility model is described in detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the cross section structure schematic diagram of part between the pump housing drive end bearing bracket and bearing block of the utility model.
Specific embodiment
Embodiment, a kind of screw pump mechanical seal rinsing system as shown in Figure 1 and Figure 2, including the pump housing 1 and with 1 phase of the pump housing
Even motor, the front end of the pump housing 1 be provided with the compatible axis hole of motor crankshaft 7, the front end of the pump housing 1 is provided with and motor crankshaft
7 compatible seal receptacles 2, seal receptacle 2 are arranged with machine envelope connecting plate 3 outside, and machine envelope connecting plate 3 deviates from 1 drive end bearing bracket side of the pump housing
It is provided with bearing block 4, seal receptacle 2 is provided with mechanical with the compatible single end face of motor crankshaft 7 in 1 drive end bearing bracket side of the pump housing
Sealing 5, seal receptacle 2 are built-in with outside framework oil seal 6,2 middle part of seal receptacle and the cooperation of 7 lateral surface of motor crankshaft close to 4 side of bearing block
Machine sealing flushing chamber 8 is formed, the top of machine sealing flushing chamber 8 and outside framework oil seal 6 connect, and 2 side of seal receptacle is provided with one group and machine
Envelope rinses the seal receptacle flushing hole 9 that chamber 8 is connected, and machine envelope 3 side of connecting plate is provided with one group and seal receptacle flushing hole 9 one is a pair of
The machine sealing flushing disengaging through-hole 10 that should be connected to.
The pump housing 1 is provided with Double-shaft-and-hole, and each axis hole passes through motor crankshaft in it respectively and the cooperation of seal receptacle 2 forms one
Machine sealing flushing chamber 8；The corresponding each machine sealing flushing chamber 8 of seal receptacle 2 is respectively provided with there are two the seal receptacle flushing hole 9 of the 180 ° of arrangements in interval,
One of them is flushed into hole for seal receptacle, and the flushing of another unsealing seat is portalled；Machine seals the corresponding each machine sealing flushing chamber 8 of connecting plate 3
It is respectively provided with the machine sealing flushing disengaging through-hole 10 there are two the 180 ° of arrangements in interval, machine sealing flushing passes in and out through-hole 10 and seal receptacle flushing hole
9 correspond and are coaxially disposed, and being flushed into hole with seal receptacle in two machine sealing flushing disengaging through-holes 10 and be connected to is machine sealing flushing
Portalling into the flushing of hole and seal receptacle, to be connected to be that machine sealing flushing is portalled；Import flushing pipe 11 and outlet are provided with outside the pump housing 1
Flushing pipe 12, each machine sealing flushing are connected with import flushing pipe 11 respectively into hole, and each machine sealing flushing is portalled respectively and exported
Flushing pipe 12 is connected.
Indent is enclosed around 2 outside one of seal receptacle and forms annular groove 13, is provided in annular groove 13 and is sealed connecting plate 3 with machine
The "O"-ring that inner sidewall connects.
It is located at machine sealing flushing disengaging 10 position of through-hole on the outside of machine envelope connecting plate 3 and is provided with resigning step surface 14, import is rinsed
Pipeline 11 and outlet 12 device of flushing pipe are on resigning step surface 14.
Working principle: in screw pump conveying hard pitch work, external flushing (chilling) medium passes through import flushing pipe
Road flows into machine and seals connecting plate, is delivered to each mechanical seal of cooling and lubricating in pump at machine sealing flushing chamber by internal circulatory flow
Component, then by exporting outside flushing pipe discharge pump.
The utility model is exemplarily described in conjunction with attached drawing above.Obviously, the utility model implements not
It is limited by aforesaid way.As long as the various unsubstantialities that the method concept and technical solution that use the utility model carry out
Improvement；Or it is not improved, the above-mentioned conception and technical scheme of the utility model are directly applied into other occasions, at this
Within the protection scope of utility model.
Claims (4)
1. a kind of screw pump mechanical seal rinsing system, including the pump housing and the motor being connected with the pump housing, the front end of the pump housing is provided with
Axis hole compatible with motor crankshaft, the front end of the pump housing are provided with seal receptacle compatible with motor crankshaft, are arranged outside seal receptacle
Organic envelope connecting plate, machine envelope connecting plate are provided with bearing block away from pump housing drive end bearing bracket side, it is characterised in that: seal receptacle is close
Single mechanical end face seal compatible with motor crankshaft is provided in pump housing drive end bearing bracket side, seal receptacle is in bearing block side
It is equipped with outside framework oil seal, cooperates in the middle part of seal receptacle with motor crankshaft lateral surface and forms machine sealing flushing chamber, the top of machine sealing flushing chamber
Connect with outside framework oil seal, seal receptacle side is provided with one group of seal receptacle flushing hole being connected with machine sealing flushing chamber, machine envelope connection
Plate side is provided with one group and corresponds the machine sealing flushing disengaging through-hole being connected to seal receptacle flushing hole.
2. screw pump mechanical seal rinsing system according to claim 1, it is characterised in that: the pump housing is provided with Double-shaft-and-hole,
Each axis hole forms a machine sealing flushing chamber with seal receptacle respectively；Seal receptacle correspond to each machine sealing flushing chamber be respectively provided with there are two interval
The seal receptacle flushing hole of 180 ° of arrangements, one of them is flushed into hole for seal receptacle, and the flushing of another unsealing seat is portalled；Machine Feng Lian
Fishplate bar corresponds to each machine sealing flushing chamber and is respectively provided with there are two 180 ° of the interval machine sealing flushing disengaging through-hole arranged, and machine sealing flushing disengaging is logical
Hole and seal receptacle flushing hole are corresponded and are coaxially disposed, and are flushed into hole with seal receptacle in two machine sealing flushing disengaging through-holes and are connected to
It is that machine sealing flushing is portalled that be machine sealing flushing into hole portal with seal receptacle flushing, which is connected to,；Import flushing is provided with outside the pump housing
Pipeline and outlet flushing pipe, each machine sealing flushing is connected with import flushing pipe respectively into hole, and each machine sealing flushing is portalled difference
It is connected with outlet flushing pipe.
3. screw pump mechanical seal rinsing system according to claim 1 or 2, it is characterised in that: around on the outside of seal receptacle one
Circle indent forms annular groove, and the "O"-ring to connect with machine envelope connecting plate inner sidewall is provided in annular groove.
4. screw pump mechanical seal rinsing system according to claim 3, it is characterised in that: be located on the outside of machine envelope connecting plate
Machine sealing flushing disengaging lead to the hole site is provided with resigning step surface, and import flushing pipe and outlet flushing pipe device are in resigning step
On face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821998940.4U CN209340135U (en) | 2018-11-30 | 2018-11-30 | A kind of screw pump mechanical seal rinsing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821998940.4U CN209340135U (en) | 2018-11-30 | 2018-11-30 | A kind of screw pump mechanical seal rinsing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209340135U true CN209340135U (en) | 2019-09-03 |
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ID=67750117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821998940.4U Active CN209340135U (en) | 2018-11-30 | 2018-11-30 | A kind of screw pump mechanical seal rinsing system |
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| Country | Link |
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| CN (1) | CN209340135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187719A (en) * | 2021-04-28 | 2021-07-30 | 上海朋泰机械科技有限公司 | Gear ring, pump shaft, machining method of pump shaft and internal gear pump |
-
2018
- 2018-11-30 CN CN201821998940.4U patent/CN209340135U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187719A (en) * | 2021-04-28 | 2021-07-30 | 上海朋泰机械科技有限公司 | Gear ring, pump shaft, machining method of pump shaft and internal gear pump |
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