CN208935002U - Chemical industry double end face sealing mechanism for pump - Google Patents
Chemical industry double end face sealing mechanism for pump Download PDFInfo
- Publication number
- CN208935002U CN208935002U CN201821342580.2U CN201821342580U CN208935002U CN 208935002 U CN208935002 U CN 208935002U CN 201821342580 U CN201821342580 U CN 201821342580U CN 208935002 U CN208935002 U CN 208935002U
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- China
- Prior art keywords
- gland
- ring assembly
- moving ring
- static components
- axle sleeve
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses a kind of chemical industry double end face sealing mechanism for pump, gland is set outside axle sleeve, gland is fitted on the pump housing, first is installed in the base aperture of gland, second static components, first is coupled by positioning device and sealing ring respectively on the external cylindrical surface at axle sleeve both ends, second moving ring assembly, first static components are matched with the first moving ring assembly, second static components are matched with the second moving ring assembly, by first on axle sleeve, second moving ring assembly and first, second static components constitute admission chamber, the inlet opening set on gland is connected to feed liquor circuit, feed liquor circuit is connected to admission chamber, affixed flow guide sleeve on the undergauge hole of first static components inner hole, affixed positioning plate is matched with the card slot of the first moving ring assembly on the outer end face of gland.The utility model is structurally reasonable, improves the effect for conveying such medium apparatus sealing, extends the time of the lasting booting of equipment, reduce maintenance cost and repair density, reduces enterprise's production cost.
Description
Technical field
The utility model belongs to mechanical sealing device used for pump, especially a kind of chemical industry double end face sealing mechanism for pump.
Background technique
The behaviour in service of mechanical seal for pump is complicated, failure and damage, especially high viscosity often occurs, slurry, is lower than
On room temperature easy crystal medium class chemical industry equipment, or in the equipment that there is medium wherein solidification or solid-liquid to mix phenomena such as defeated,
Seal failure situation is especially prominent, and such medium apparatus sealing mostly uses Double End, the structure arranged back-to-back, seal failure with
Damage frequently, the main reason for many equipment failures be such medium solidification or solid particle caused by dynamic and static ring friction minor face
Damage, compensation original part pedestal deformation, cause compensation ring can not arbitrarily float closely with stationary ring friction minor face followability, cause
Mechanical seal leakage.
Domestic whether balanced type or unbalanced type, the double seals structure arranged back-to-back are all that major-minor envelope is dynamic
Ring shares the pedestal of elastic compensating original part and its installation compensation original part, and pedestal is all independent accessory, because by seal cavity sky
Between size limitation, the pedestal for compensating original part is all independent thin-walled accessory, by equipment starting moment torque effect and with
The reaction force of high viscosity, easy crystal medium given, or percussion Lee of solid particle in the process of running, can all cause
The deformation of original part pedestal is compensated so that compensation original part loses compensation function.
After having investigated market, discovery the above drawback is that and had very using the universal phenomenon of such equipment enterprise
Big market.
Utility model content
The purpose of this utility model is to provide a kind of chemical industry double end face sealing mechanism for pump, structurally reasonable, Ke Yiti
Height conveys the effect of such medium apparatus sealing, extends the time of the lasting booting of equipment, reduces maintenance cost and maintenance is strong
Degree reduces enterprise's production cost.
Purpose of the utility model is realized as follows: a kind of chemical industry double end face sealing mechanism for pump, is included in chemical pump
It is coupled axle sleeve in shaft, the gland with compensation original part base aperture is set outside axle sleeve, gland is fitted to
On the pump housing, it is corresponding in the base aperture of gland by sealing ring and stretch compensation mechanism to be coupled the back side and the back side respectively
The first, second static components, be coupled respectively by positioning device and sealing ring on the external cylindrical surface at axle sleeve both ends
First, second moving ring assembly, wherein the first static components are matched with the first moving ring assembly, the second static components and the second rotating ring
Component matches, and admission chamber is constituted by the first, second moving ring assembly and the first, second static components on axle sleeve, on gland
If inlet opening be connected to feed liquor circuit, feed liquor circuit is connected to admission chamber, in the undergauge Kong Shanggu of the first static components inner hole
Then flow guide sleeve, affixed positioning plate is matched with the card slot of the first moving ring assembly on the outer end face of gland.
The utility model not will cause the deformation of compensation original part pedestal in the process of running so that compensation original part loses compensation
Function new structure, including the axle sleeve being sleeved in shaft, the dynamic and static ring arranged back-to-back rises and gives friction secondary drop by sealing fluid
Temperature, since instant vaporization or leakage gather in the secondary inner wall that rubs the flushing of fouling to easy setting medium in the process of running, prevent because
The excessive flow guide sleeve for causing dynamic and static ring friction minor face that cannot effectively contact of the accumulation of collection polymers, and it is former for effectively prevention compensation
Part pedestal causes deformation that cannot to compensate the compensation original designed due to original part arbitrarily floats and effectively contacts with stationary ring because of thin-wall construction
The integrated mechanical sealing shaft seal structure that part pedestal and gland are an integral structure.It is mechanical to can be improved this class feature medium pump
The effect of sealing reduces enterprise's production cost.After the utility model uses, sealing performance was extended to by original 2000 hours
8000 hours or more, the labor intensity of employee was minimized, and live environment is improved, and the utility model structure is simple,
Easily fabricated installation can be improved the period of equipment continuous running, reduce maintenance cost and repair density, reduces enterprise and is produced into
This.
The utility model is structurally reasonable, improves the effect for conveying such medium apparatus sealing, extends holding for equipment
The time of continuous booting, maintenance cost and repair density are reduced, reduces enterprise's production cost.
Detailed description of the invention
The utility model is further described below in conjunction with attached drawing, Fig. 1 is the signal of the utility model front view structure
Figure.
Specific embodiment
A kind of chemical industry double end face sealing mechanism for pump, as shown in Figure 1, including being coupled axle sleeve in chemical pump shaft
2, the gland 1 with compensation original part base aperture is set outside axle sleeve 2, and gland 1 is fitted on the pump housing, in gland 1
Corresponding first, second stationary ring in the back side and the back side is coupled by sealing ring and stretch compensation mechanism respectively in base aperture
Component 3,4 is coupled first, second by positioning device and sealing ring respectively on the external cylindrical surface at 2 both ends of axle sleeve and moves
Ring assemblies 5,6, wherein the first static components 3 are matched with the first moving ring assembly 5, the second static components 4 and the second moving ring assembly 6
It matches, admission chamber is constituted by the first, second moving ring assembly 5,6 and the first, second static components 3,4 on axle sleeve 2, in gland
The inlet opening 7 set on 1 is connected to feed liquor circuit 8, and feed liquor circuit 8 is connected to admission chamber, in the undergauge of 3 inner hole of the first static components
Affixed flow guide sleeve 9 on hole, affixed positioning plate 10 is matched with the card slot of the first moving ring assembly 5 on the outer end face of gland 1.
Card slot is respectively set on the outer wall at 2 both ends of axle sleeve, by the circlip 11 of installation respectively by the first, second rotating ring in card slot
Component 5,6 is fitted to the both ends of axle sleeve 2.Gland 1 is fitted on the pump housing by sealing ring 12.10 end of positioning plate
The card slot being arranged on bent buckling side and 5 outer circumference surface of the first moving ring assembly matches.The outlet of feed liquor circuit 8 and first, second
Gap between static components 3,4 back sides is corresponding.Between the outlet of feed liquor circuit 8 and the first, second static components 3,4 back sides
Gap it is corresponding.
Claims (6)
1. a kind of chemical industry double end face sealing mechanism for pump, including axle sleeve (2), feature are coupled in chemical pump shaft
It is: the gland (1) with compensation original part base aperture is set outside axle sleeve (2), gland (1) is fitted on the pump housing,
The back side and the back side corresponding are coupled by sealing ring and stretch compensation mechanism respectively in the base aperture of gland (1)
One, the second static components (3,4) pass through positioning device and sealing ring cooperation peace respectively on the external cylindrical surface at axle sleeve (2) both ends
The first, second moving ring assembly (5,6) are filled with, wherein the first static components (3) are matched with the first moving ring assembly (5), second is quiet
Ring assemblies (4) are matched with the second moving ring assembly (6), by the first, second moving ring assembly (5,6) and first, on axle sleeve (2)
Two static components (3,4) constitute admission chamber, and the inlet opening (7) set on gland (1) is connected to feed liquor circuit (8), feed liquor circuit
(8) it is connected to admission chamber, affixed the flow guide sleeve (9) on the undergauge hole of the first static components (3) inner hole, in the outer of gland (1)
Affixed positioning plate (10) is matched with the card slot of the first moving ring assembly (5) on end face.
2. chemical industry double end face sealing mechanism for pump according to claim 1, it is characterized in that: the outer wall at axle sleeve (2) both ends
On card slot is respectively set, in card slot by installation circlip (11) respectively by the first, second moving ring assembly (5,6) cooperate pacify
Mounted in the both ends of axle sleeve (2).
3. chemical industry double end face sealing mechanism for pump according to claim 1, it is characterized in that: gland (1) passes through sealing ring
(12) it is fitted on the pump housing.
4. chemical industry double end face sealing mechanism for pump according to claim 1, it is characterized in that: the bending of positioning plate (10) end
The card slot being arranged on button side and the first moving ring assembly (5) outer circumference surface matches.
5. chemical industry double end face sealing mechanism for pump according to claim 1, it is characterized in that: the outlet of feed liquor circuit (8) with
Gap between first, second static components (3,4) back side is corresponding.
6. chemical industry double end face sealing mechanism for pump according to claim 1, it is characterized in that: in the first, second static components
Spring-compensating mechanism is uniformly arranged between the back side of (3,4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821342580.2U CN208935002U (en) | 2018-08-20 | 2018-08-20 | Chemical industry double end face sealing mechanism for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821342580.2U CN208935002U (en) | 2018-08-20 | 2018-08-20 | Chemical industry double end face sealing mechanism for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208935002U true CN208935002U (en) | 2019-06-04 |
Family
ID=66718232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821342580.2U Active CN208935002U (en) | 2018-08-20 | 2018-08-20 | Chemical industry double end face sealing mechanism for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208935002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517835A (en) * | 2022-01-27 | 2022-05-20 | 重庆渝辉智能装备有限公司 | Integrated double-end-face mechanical sealing structure |
-
2018
- 2018-08-20 CN CN201821342580.2U patent/CN208935002U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517835A (en) * | 2022-01-27 | 2022-05-20 | 重庆渝辉智能装备有限公司 | Integrated double-end-face mechanical sealing structure |
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