CN212225991U - Water pump shaft part sealing member - Google Patents
Water pump shaft part sealing member Download PDFInfo
- Publication number
- CN212225991U CN212225991U CN202020112975.4U CN202020112975U CN212225991U CN 212225991 U CN212225991 U CN 212225991U CN 202020112975 U CN202020112975 U CN 202020112975U CN 212225991 U CN212225991 U CN 212225991U
- Authority
- CN
- China
- Prior art keywords
- ring
- movable
- spring
- water pump
- transmission seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 230000003068 static effect Effects 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000010687 lubricating oil Substances 0.000 claims description 16
- 239000003921 oil Substances 0.000 claims description 15
- 229920000742 Cotton Polymers 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model relates to a shaft sealing element of a water pump, which comprises a movable ring component, a static ring component, an end cover and a sealing cavity; the movable ring assembly comprises a transmission seat, a movable ring auxiliary sealing ring arranged on the movable ring and a spring mechanism; the static ring component comprises a static ring and a static ring auxiliary sealing ring; the spring mechanism comprises a plurality of guide sleeves which are circumferentially distributed and arranged between the transmission seat and the movable ring and a spring in each guide sleeve; the guide sleeve is of a telescopic structure and comprises a fixed pipe and a movable pipe, one end of the fixed pipe is connected with the transmission seat, the other end of the fixed pipe is sleeved with the movable pipe, and one end of the movable pipe, far away from the fixed pipe, is connected with the movable ring; the utility model provides a pair of water pump axial region sealing member, its spring mechanism who is equipped with include spring and telescopic guide sleeve, and guide sleeve plays the guide effect to the spring in it, prevents that the spring is crooked under the pressure effect, improves the stability of spring.
Description
Technical Field
The utility model relates to a mechanical seal field especially relates to an axial region sealing member of water pump.
Background
The mechanical seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to the rotation axis, and the end faces are kept in fit and relatively slide under the action of fluid pressure and the elastic force (or magnetic force) of a compensation mechanism and the cooperation of auxiliary sealing.
Mechanical seal widely used in the shaft part of water pump is sealed because compare in traditional packing seal, mechanical seal is very stable at long-term operation in sealing state, and it is little to reveal volume, long service life.
In the prior art, a movable ring and a transmission seat of a movable ring assembly of a mechanical seal for a shaft part of a water pump are generally connected in parallel by a single spring sleeve or by a plurality of circumferentially distributed springs; the pressure compensation capability of the parallel connection of the springs is better than that of a single spring, but the single spring of the structure with the parallel connection of the springs is easy to bend radially under pressure, the stability is poor, the pressure compensation effect is influenced, and even the loose fitting condition between the movable ring and the static ring is caused.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a water pump axial region sealing member.
The technical scheme of the utility model: a water pump shaft part sealing element comprises a movable ring assembly, a static ring assembly, an end cover and a sealing cavity; the movable ring assembly comprises a transmission seat, a movable ring auxiliary sealing ring arranged on the movable ring and a plurality of spring mechanisms which are uniformly distributed in the circumferential direction and connected between the transmission seat and the movable ring; the static ring assembly comprises a static ring and a static ring auxiliary sealing ring arranged on the static ring; the movable ring assembly and the static ring assembly are arranged in a sealing cavity defined by the sealing cavity, and an end cover is arranged at the front end of the sealing cavity;
the spring mechanism comprises a plurality of guide sleeves which are circumferentially distributed and arranged between the transmission seat and the movable ring, and a spring in each guide sleeve; one ends of the guide sleeve and the spring are connected with the transmission seat, and the other ends of the guide sleeve and the spring are connected with one surface of the movable ring facing the transmission seat;
the guide sleeve is of a telescopic structure and comprises a fixed pipe and a movable pipe, one end of the fixed pipe is connected with the transmission seat, the other end of the fixed pipe is sleeved with the movable pipe, and one end of the movable pipe, far away from the fixed pipe, is connected with the movable ring.
Preferably, at least six groups of spring mechanisms are uniformly distributed between the transmission seat and the movable ring in the circumferential direction.
Preferably, one side of the static ring, which faces the dynamic ring, is provided with a circular groove for accommodating the top of the dynamic ring.
Preferably, an annular lubricating oil cavity is arranged in the static ring, and an annular communicating opening is formed in the lubricating oil cavity; one end of the annular oil absorption cotton is arranged in the lubricating oil cavity, and the other end of the annular oil absorption cotton extends out of the annular communication port and is in contact with the top of the movable ring; the lubricating oil cavity is provided with an oil filling port, and the oil filling port is provided with a plug.
Preferably, an auxiliary sealing ring is further arranged between the sealing cavity and the end cover.
The utility model provides a pair of water pump axial region sealing member, the spring mechanism that is equipped with between its transmission gear and rotating ring includes spring and telescopic guide sleeve, guide sleeve plays the guide effect to the spring in it, prevents that the spring from crooked under the pressure effect, improves the stability of spring.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a sectional view of a shaft seal of a water pump according to the present invention.
Description of the drawings: 1-movable ring component, 101-movable ring, 102-transmission seat, 103-guide sleeve, 104-spring, 105-movable ring auxiliary sealing ring, 106-set screw, 2-stationary ring component, 201-stationary ring, 202-stationary ring auxiliary sealing ring, 203-lubricating oil cavity, 204-oil filling port, 205-annular groove, 206-oil absorption cotton, 3-sealing cavity, 4-end cover, 401-auxiliary sealing ring, 402-anti-rotation pin and 5-pump shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, a water pump shaft sealing member includes a moving ring assembly 1, a stationary ring assembly 2, an end cover 4 and a sealing cavity 3; the moving ring assembly 1 comprises a transmission seat 102, a moving ring 101, a moving ring auxiliary sealing ring 105 arranged on the moving ring 101 and a plurality of spring mechanisms which are uniformly distributed in the circumferential direction and connected between the transmission seat 102 and the moving ring 101; the static ring 201 component comprises a static ring 201 and a static ring auxiliary sealing ring 202 arranged on the static ring 201; the movable ring assembly 1 and the static ring assembly 2 are arranged in a sealing cavity enclosed by a sealing cavity body 3, and an end cover 4 is arranged at the front end of the sealing cavity;
the spring mechanism comprises a plurality of guide sleeves 103 which are arranged between the transmission seat 102 and the movable ring 101 and distributed circumferentially, and a spring 104 in each guide sleeve 103; one ends of the guide sleeve 103 and the spring 104 are both connected with the transmission seat 102, and the other ends of the guide sleeve and the spring are both connected with one surface of the movable ring 101, which faces the transmission seat 102;
the guide sleeve 103 is of a telescopic structure and comprises a fixed pipe and a movable pipe, one end of the fixed pipe is connected with the transmission seat 102, the other end of the fixed pipe is sleeved with the movable pipe, and one end of the movable pipe, far away from the fixed pipe, is connected with the movable ring 101.
The telescopic guide sleeve 103 plays a supporting and guiding role for the spring 104 therein, prevents the spring 104 from radially bending under pressure, and improves the stability of the spring 104.
Meanwhile, the guide sleeve 103 protects the spring 104, prevents liquid from contacting the spring 104, and prevents corrosion or other chemical reactions caused by the spring 104 being in a liquid environment for a long time.
Preferably, at least six groups of spring mechanisms are uniformly distributed between the transmission seat 102 and the movable ring 101 in the circumferential direction.
Preferably, the side of the stationary ring 201 facing the moving ring 101 is provided with a circular groove 205 for accommodating the top of the moving ring 101.
In this embodiment, the annular groove 205 changes the contact surface between the moving ring 101 and the stationary ring 201 from a straight line shape to a broken line shape, so that the sealing area between the moving ring 101 and the stationary ring 201 is increased, and if liquid passes through the sealing surface, the direction needs to be changed, thereby further improving the sealing effect of the sealing surface between the moving ring 101 and the stationary ring 201.
Preferably, an annular lubricating oil cavity 203 is arranged in the stationary ring 201, and the lubricating oil cavity 203 is provided with an annular communicating port; one end of the annular oil absorption cotton 206 is arranged in the lubricating oil cavity 203, and the other end of the annular oil absorption cotton extends out of the annular communication port and is in contact with the top of the movable ring 101; the lubricating oil cavity 203 is provided with an oil filling port 204, and the oil filling port 204 is provided with a plug.
The oil absorption cotton 206 can continuously guide the lubricating oil in the lubricating oil cavity 203 to the contact part of the movable ring 101 and the static ring 201 in a long time period, so that the contact part of the movable ring 101 and the static ring 201 can be kept in a lubricating state for a long time, the phenomenon that the sealing performance is reduced due to abrasion caused by insufficient lubricating oil in the long-time contact process of the contact part of the movable ring 101 and the static ring 201 is avoided, and the service life of the sealing element is prolonged.
Preferably, an auxiliary sealing ring 401 is further arranged between the seal cavity 3 and the end cover 4 to prevent liquid from leaking between the seal cavity 3 and the end cover 4.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (5)
1. A water pump shaft part sealing element comprises a movable ring assembly, a static ring assembly, an end cover and a sealing cavity; the movable ring assembly comprises a transmission seat, a movable ring auxiliary sealing ring arranged on the movable ring and a plurality of spring mechanisms which are uniformly distributed in the circumferential direction and connected between the transmission seat and the movable ring; the static ring assembly comprises a static ring and a static ring auxiliary sealing ring arranged on the static ring; the movable ring assembly and the static ring assembly are arranged in a sealing cavity defined by the sealing cavity, and an end cover is arranged at the front end of the sealing cavity;
the method is characterized in that: the spring mechanism comprises a plurality of guide sleeves which are circumferentially distributed and arranged between the transmission seat and the movable ring, and a spring in each guide sleeve; one ends of the guide sleeve and the spring are connected with the transmission seat, and the other ends of the guide sleeve and the spring are connected with one surface of the movable ring facing the transmission seat;
the guide sleeve is of a telescopic structure and comprises a fixed pipe and a movable pipe, one end of the fixed pipe is connected with the transmission seat, the other end of the fixed pipe is sleeved with the movable pipe, and one end of the movable pipe, far away from the fixed pipe, is connected with the movable ring.
2. The water pump shaft seal of claim 1, wherein at least six sets of spring mechanisms are circumferentially and uniformly distributed between the actuator seat and the rotating ring.
3. The water pump shaft seal of claim 1, wherein the stationary ring has a circular groove on a side facing the rotating ring for receiving a top of the rotating ring.
4. The water pump shaft portion seal according to claim 1, wherein an annular lubricating oil chamber is provided in the stationary ring, the lubricating oil chamber being provided with an annular communication port; one end of the annular oil absorption cotton is arranged in the lubricating oil cavity, and the other end of the annular oil absorption cotton extends out of the annular communication port and is in contact with the top of the movable ring; the lubricating oil cavity is provided with an oil filling port, and the oil filling port is provided with a plug.
5. The water pump shaft seal of claim 1 wherein an auxiliary seal is disposed between the seal cavity and the end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020112975.4U CN212225991U (en) | 2020-01-16 | 2020-01-16 | Water pump shaft part sealing member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020112975.4U CN212225991U (en) | 2020-01-16 | 2020-01-16 | Water pump shaft part sealing member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212225991U true CN212225991U (en) | 2020-12-25 |
Family
ID=73912367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020112975.4U Expired - Fee Related CN212225991U (en) | 2020-01-16 | 2020-01-16 | Water pump shaft part sealing member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212225991U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374682A (en) * | 2021-07-15 | 2021-09-10 | 西南石油大学 | Fracturing pump hydraulic end plunger hole seal structure |
-
2020
- 2020-01-16 CN CN202020112975.4U patent/CN212225991U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374682A (en) * | 2021-07-15 | 2021-09-10 | 西南石油大学 | Fracturing pump hydraulic end plunger hole seal structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212225991U (en) | Water pump shaft part sealing member | |
| CN109058467B (en) | Corrosion-resistant mechanical seal and installation method | |
| CN212202588U (en) | Pump is with two end face seals with cooling structure | |
| CN114635966B (en) | Floating shaft plane sealing rotary joint | |
| CN210240551U (en) | Shaft end sealing device | |
| CN112728110B (en) | Magnetic liquid sealing device | |
| CN210196053U (en) | Independent oil cavity sealing structure of submersible electric pump | |
| CN214197245U (en) | Sealing device for hydraulic pump | |
| CN214007471U (en) | Leakage-free plunger type metering pump head | |
| CN213899875U (en) | Friction ring non-thermal inlay type sealing device | |
| CN211777848U (en) | Y-shaped connecting rod piston pump | |
| CN113154043A (en) | Sealing device combining mechanical seal and magnetic liquid seal | |
| CN112728152A (en) | On-line maintenance ball valve | |
| CN111609235A (en) | Switching seal structure and fracturing pump | |
| CN201382193Y (en) | Valve seat for ball valve and ball valve using same | |
| CN216843113U (en) | Horizontal axial float mechanical seal | |
| CN212745054U (en) | Double-end-face fluorine machine seal | |
| CN213450979U (en) | Mechanical seal structure of water pump | |
| CN216975554U (en) | Rotating mechanical equipment and vehicle | |
| CN212273348U (en) | Switching seal structure and fracturing pump | |
| CN218564395U (en) | Mechanical sealing element convenient to change sealing ring | |
| CN221196075U (en) | Combined sealing assembly and steering structure applied by same | |
| CN217898780U (en) | Rubber bellows mechanical seal spare | |
| CN214007470U (en) | Long-acting leakage-free plunger sealing structure for plunger metering pump | |
| CN212535580U (en) | Screw pump well clamping type sucker rod centralizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |