CN208982659U - The general sealing device of pump - Google Patents
The general sealing device of pump Download PDFInfo
- Publication number
- CN208982659U CN208982659U CN201821462324.7U CN201821462324U CN208982659U CN 208982659 U CN208982659 U CN 208982659U CN 201821462324 U CN201821462324 U CN 201821462324U CN 208982659 U CN208982659 U CN 208982659U
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- China
- Prior art keywords
- axle sleeve
- machine envelope
- ring
- stationary
- envelope axle
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Abstract
The general sealing device of pump.Including seal case, machine envelope axle sleeve, pump shaft, rear end cap and sealing mechanism；The pump shaft is movably arranged on the seal case by bearing；The machine envelope axle sleeve is detachably fixed on the periphery for being set in the pump shaft；The rear end cap is fixedly connected on the tail portion of the machine envelope axle sleeve；The rear end cap is connect with machine envelope sleeve sealing；The machine envelope axle sleeve is connect with the shaft seal.When installation, sealing mechanism is fixed on machine envelope axle sleeve, machine envelope axle sleeve is set on pump shaft, and the tail portion of machine envelope axle sleeve is fixed by the rear end cap being fixedly connected on pump shaft, and the mode that is fixedly connected in this case has screw thread or sunk screw；Clamping is installed by impeller in the front end that machine seals axle sleeve, i.e. machine envelope axle sleeve is fixed on pump shaft by the mutual cooperation of impeller and rear end cap, can be fixed by several dormant bolts between pump shaft and machine envelope axle sleeve.The features such as the utility model has disassembly, is fixed conveniently fast, improves the efficiency of sealing mechanism replacement.
Description
Technical field
The utility model relates to mortar pumps, more particularly to the general sealing device of pump.
Background technique
Mortar pump is a kind of pump for adapting to a variety of different working conditions, such as transport acid, alkaline clear liquid or slurry；It smelts
The various corrosive ore pulps of industry；All kinds of diluted acids of sulfuric acid industry；All kinds of sewage of environmental protection industry (epi) etc..The pump was not only corrosion-resistant but also wear-resistant,
Use scope is very extensive.
Mortar pump has different seal forms, and the selection of sealing is determined according to the characteristic of conveying material, has mechanical close
Envelope, packing seal etc., sometimes same pump also use different seal forms according to different requirements.Hermetic unit is most main
What is wanted is seal case, when selecting different seal forms, need to carry out dismounting and change, efficiency to a large amount of components in pump inside
Low and sealing performance cannot be guaranteed.
Utility model content
The utility model is in view of the above problems, provide compact-sized reasonable, the pump of raising replacement efficiency and sealing performance
General sealing device.
The technical solution of the utility model is: including seal case, machine envelope axle sleeve, pump shaft, rear end cap and sealing mechanism；
The pump shaft is movably arranged on the seal case by bearing；
The machine envelope axle sleeve is detachably fixed on the periphery for being set in the pump shaft；
The rear end cap is fixedly connected on the tail portion of the machine envelope axle sleeve；The rear end cap is connect with machine envelope sleeve sealing；
The machine envelope axle sleeve is connect with the shaft seal；
The sealing mechanism setting is located between the seal case and machine envelope axle sleeve on machine envelope axle sleeve.
The sealing mechanism includes that stationary ring keeps set one, rotating ring one, stationary ring one, stationary seat one, spring and retainer；
The stationary ring keeps set one is fixed to be set on the machine envelope axle sleeve；The stationary ring keep set one and machine envelope axle sleeve it
Between be equipped with O-ring one, the stationary ring keeps set one to be equipped with the accommodation groove one being adapted to the O-ring one；
The rotating ring one is fixed at one end that the stationary ring keeps set one, keeps passing through between set one with the stationary ring
O-ring two is tightly connected；
The retainer is fixed at the other end that the stationary ring keeps set one；Towards the rotating ring on the retainer
One side is equipped with the groove body being adapted to the stationary seat one, is equipped with the spring retention being adapted to the spring in the groove body
Slot；
One end of the stationary seat one is set in the retainer, and the other end is connect with the stationary ring one；The stationary ring
One top of seat is tightly connected by O-ring three and the seal case；The bottom of the stationary seat one passes through O-ring four and transmission
It is tightly connected between seat；
One end of the stationary ring one is fixedly connected by connector with the stationary seat one, and the other end and the rotating ring one paste
It closes.
The sealing mechanism includes that stationary ring keeps set two, rotating ring two, stationary ring two, stationary seat two and V-type spring leaf；
The stationary ring keeps set two is fixed to be set on the machine envelope axle sleeve；The stationary ring keep set two and machine envelope axle sleeve it
Between be equipped with O-ring two, the stationary ring keeps set one to be equipped with the accommodation groove two being adapted to the O-ring two；
The rotating ring two is fixedly connected on the side that the stationary ring keeps set two；The rotating ring two and stationary ring keep set two it
Between by several O-rings five be tightly connected；
One end of the V-type spring leaf is fixedly connected on the seal case, and the other end is bonded with the stationary seat two；
It is tightly connected between the stationary seat two and seal case by O-ring six；
The stationary ring two is arranged between the rotating ring two and stationary seat two, by the elastic force of spring leaf, with the rotating ring
Two fittings.
Inlet and outlet are respectively equipped with close to the rotating ring position on the seal case；The water inlet and water outlet
Mouth connection.
It include seal case, machine envelope axle sleeve, pump shaft, rear end cap and sealing mechanism in the utility model.When installation, it will seal
Mechanism is fixed on machine envelope axle sleeve, and machine envelope axle sleeve is set on pump shaft, and the tail portion that machine seals axle sleeve (is connected by fixed on pump shaft
The rear end cap connect is fixed, and the mode that is fixedly connected in this case has screw thread or sunk screw；It is installed by impeller the front end that machine seals axle sleeve
Machine envelope axle sleeve is fixed on pump shaft by the mutual cooperation of clamping, i.e. impeller and rear end cap, can be led between pump shaft and machine envelope axle sleeve
Several dormant bolts are crossed to fix.When replacing sealing mechanism, first by impeller demolition, the countersunk head on pump shaft and machine envelope axle sleeve is then dismantled
Bolt, replacement seal axle sleeve equipped with the machine of another sealing mechanism.It dismantles, be fixed conveniently fast, improve sealing mechanism more
The efficiency changed.The features such as the utility model has compact and reasonable, improves replacement efficiency and sealing performance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment one,
Fig. 2 is the enlarged structure schematic diagram of sealing mechanism in Fig. 1,
Fig. 3 is the structural schematic diagram of the utility model embodiment two,
Fig. 4 is the enlarged structure schematic diagram of sealing mechanism in Fig. 2；
1 is seal case in figure, and 2 be machine envelope axle sleeve, and 3 be pump shaft, and 4 be rear end cap, and 5 be sealing mechanism,
511 be that stationary ring keeps set one, and 512 be rotating ring one, and 513 be stationary ring one, and 514 be stationary seat one, and 515 be spring, 516
It is retainer, 521 be that stationary ring keeps set two, and 522 be rotating ring two, and 523 be stationary ring two, and 524 be stationary seat two, and 525 be gasket,
526 be V-type spring leaf, and 61 be water inlet, and 62 be water outlet, and 7 be lubricant grease.
Specific embodiment
Embodiment one
The present embodiment is as shown in Figs. 1-2, including seal case 1, machine envelope axle sleeve 2, pump shaft 3, rear end cap 4 and sealing mechanism 5；
The pump shaft 3 is movably arranged on the seal case 1 by bearing；
The machine envelope axle sleeve 2 is detachably fixed on the periphery for being set in the pump shaft 3；
The rear end cap 4 is fixedly connected on the tail portion of the machine envelope axle sleeve 2；The rear end cap 4 connects with the machine envelope sealing of axle sleeve 2
It connects；The machine envelope axle sleeve 2 and the pump shaft 3 are tightly connected；
The setting of sealing mechanism 5 is located between the seal case 1 and machine envelope axle sleeve 2 on machine envelope axle sleeve 2.
When installation, sealing mechanism 5 is fixed on machine envelope axle sleeve 2, machine envelope axle sleeve 2 is set on pump shaft 3, and machine seals axis
The tail portion (as shown in Figure 1, rightmost side end in figure) of set 2 is fixed by the rear end cap 4 being fixedly connected on pump shaft 3, solid in this case
Determining connection type has screw thread or sunk screw；The front end (as shown in Figure 1, leftmost side end in figure) of machine envelope axle sleeve 2 passes through impeller
Clamping is installed, i.e. machine envelope axle sleeve 2 is fixed on pump shaft 3 by the mutual cooperation of impeller and rear end cap 4, pump shaft 3 and machine envelope axle sleeve 2 it
Between can be fixed by several dormant bolts.When replacing sealing mechanism 5, first by impeller demolition, then dismantles pump shaft 3 and machine seals axis
Dormant bolt on set 2, replacement seal axle sleeve 2 equipped with the machine of another sealing mechanism 5.It dismantles, be fixed conveniently quick, raising
The efficiency that sealing mechanism 5 is replaced.
The sealing mechanism 5 includes that stationary ring keeps set one 511, rotating ring 1, stationary ring 1, stationary seat 1, spring
515 and retainer 516；
The stationary ring keeps set 1 to be set on the machine envelope axle sleeve 2 by the way that connector is fixed；The stationary ring keeps set
It is equipped with O-ring one between one 511 and machine envelope axle sleeve 2, the stationary ring keeps set 1 to be equipped with being adapted to the O-ring one
Accommodation groove one；
The rotating ring 1 is fixed at one end that the stationary ring keeps set 1, keeps set one with the stationary ring
It is tightly connected between 511 by O-ring two；
The retainer 516 is fixed at the other end that the stationary ring keeps set 1；Court on the retainer 516
It is equipped with the groove body being adapted to the stationary seat 1 to the side of the rotating ring 1, is equipped with and the spring in the groove body
The spring mounting groove of 515 adaptations；
One end of the stationary seat 1 is set in the retainer 516, and the other end is connect with the stationary ring 1；
One 514 top of stationary seat is tightly connected by O-ring three and the seal case 1；The bottom of the stationary seat 1 is logical
It crosses between O-ring four and retainer 516 and is tightly connected；
One end of the stationary ring 1 is fixedly connected by connector with the stationary seat 1, and the other end is moved with described
Ring 1 is bonded.
By being fixedly connected on retainer 516, the side wall of the other end and stationary seat 1 is removable for one end of spring 515
It unloads and is fixedly connected；Spring 515 gives the power of the left direction into Fig. 2 of stationary seat 1 always, passes through company between stationary ring and stationary seat
Fitting connection, i.e. promotion stationary ring are bonded with rotating ring, it is ensured that the reliability and persistence of mechanical seal.
Embodiment two
The present embodiment is as shown in Figure 3-4, and the sealing mechanism 5 includes that stationary ring keeps set 2 521, rotating ring 2 522, stationary ring two
523, stationary seat 2 524 and V-type spring leaf 526；
The stationary ring keeps set 2 521 is fixed to be set on the machine envelope axle sleeve 2；The stationary ring keeps set 2 521 and machine
It seals and is equipped with O-ring two between axle sleeve 2, the stationary ring keeps set 1 to be equipped with the accommodation groove two being adapted to the O-ring two；
The rotating ring 2 522 is fixedly connected on the side that the stationary ring keeps set 2 521；The rotating ring 2 522 and stationary ring
It keeps being tightly connected between set 2 521 by several O-rings five；
One end of the V-type spring leaf 526 is fixedly connected on the seal case 1, the other end and the stationary seat two
524 fittings；It is tightly connected between the stationary seat 2 524 and seal case 1 by O-ring six；
The stationary ring 2 523 is arranged between the rotating ring 2 522 and stationary seat 2 524, by the elastic force of spring leaf, with
The rotating ring 2 522 is bonded.
The outside of seal case 1 is arranged in V-type spring leaf 526, is convenient for later period demolition and maintenance, when there is mortar entrance in inside
When, it is effectively prevent the inside of mortar spring blocking, causes the failure of compensation sealing.Spring leaf connect side with stationary seat 2 524
Equipped with to the curved arc body in 2 524 direction of stationary seat, give stationary seat 2 524 power mobile to 2 523 direction of stationary ring, stationary ring two
523 are fixedly connected with stationary seat 2 524, push and are bonded between stationary ring 2 523 and rotating ring 2 522, it is ensured that the persistence of sealing；It is close
Gasket 525 is equipped between joint sealing body 1 and stationary seat, gasket 525 is made of rubber, gasket 525, stationary seat and sealing
Seal chamber is formed between cabinet 1, is equipped with lubricant grease 7 in seal chamber, is improved the leakproofness between seal case 1 and stationary seat.
Water inlet 61 and water outlet 62 are respectively equipped with close to the rotating ring position on the seal case 1；The water inlet
61 are connected to water outlet 62.
Liquid water at water inlet 61 is accessed by the water pipe of a peripheral hardware, and liquid water enters from water inlet 61, water outlet
62 are excluded by another water pipe, by recirculated water, reduce the temperature of mechanical seal, it is ensured that the reliability of sealing.
Claims (2)
1. the general sealing device of pump, which is characterized in that including seal case, machine envelope axle sleeve, pump shaft, rear end cap and sealer
Structure；
The pump shaft is movably arranged on the seal case by bearing；
The machine envelope axle sleeve is detachably fixed on the periphery for being set in the pump shaft；
The rear end cap is fixedly connected on the tail portion of the machine envelope axle sleeve；The rear end cap is connect with machine envelope sleeve sealing；It is described
Machine envelope axle sleeve is connect with the shaft seal；
The sealing mechanism setting is located between the seal case and machine envelope axle sleeve on machine envelope axle sleeve；
The sealing mechanism includes that stationary ring keeps set two, rotating ring two, stationary ring two, stationary seat two and V-type spring leaf；
The stationary ring keeps set two is fixed to be set on the machine envelope axle sleeve；The stationary ring keeps setting between set two and machine envelope axle sleeve
There is O-ring two, the stationary ring keeps set one to be equipped with the accommodation groove two being adapted to the O-ring two；
The rotating ring two is fixedly connected on the side that the stationary ring keeps set two；The rotating ring two and stationary ring keep leading between set two
Several O-rings five are crossed to be tightly connected；
One end of the V-type spring leaf is fixedly connected on the seal case, and the other end is bonded with the stationary seat two；It is described
It is tightly connected between stationary seat two and seal case by O-ring six；
The stationary ring two is arranged between the rotating ring two and stationary seat two, by the elastic force of spring leaf, pastes with the rotating ring two
It closes.
2. the general sealing device of pump according to claim 1, which is characterized in that close to described dynamic on the seal case
Ring position is respectively equipped with inlet and outlet；The inlet and outlet connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821462324.7U CN208982659U (en) | 2018-09-06 | 2018-09-06 | The general sealing device of pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821462324.7U CN208982659U (en) | 2018-09-06 | 2018-09-06 | The general sealing device of pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208982659U true CN208982659U (en) | 2019-06-14 |
Family
ID=66783463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821462324.7U Active CN208982659U (en) | 2018-09-06 | 2018-09-06 | The general sealing device of pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208982659U (en) |
-
2018
- 2018-09-06 CN CN201821462324.7U patent/CN208982659U/en active Active
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