CN212899712U - Quick-detachable shaft end closing shaft seal device - Google Patents
Quick-detachable shaft end closing shaft seal device Download PDFInfo
- Publication number
- CN212899712U CN212899712U CN202021391162.XU CN202021391162U CN212899712U CN 212899712 U CN212899712 U CN 212899712U CN 202021391162 U CN202021391162 U CN 202021391162U CN 212899712 U CN212899712 U CN 212899712U
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- Prior art keywords
- sealing ring
- notch
- axle
- quick
- axle bed
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- 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
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- 238000007789 sealing Methods 0.000 claims abstract description 98
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model discloses a quick axle head that dismantles closes a mouthful bearing seal device, including axle bed and the axle sleeve of setting in the axle bed, seted up the mounting hole on the axle bed, and the hole body front end edge position department of mounting hole has seted up the seal groove, the seal groove is a cross-section and is right trapezoid's cyclic annular notch, and the edge position department of its notch sets up the screw hole, the screw hole is equidistant to be provided with three groups altogether, the axle sleeve sets up in the mounting hole on the axle bed, and install the axis body through clearance fit in the inner circle of axle sleeve, be provided with the sealing ring among the notch of seal groove, its sealing ring structure comprises first sealing ring and second sealing ring; the sealing ring used for sealing between the shaft seat and the shaft sleeve is arranged to be composed of the first sealing ring and the second sealing ring, so that when workers need to replace the sealing ring, the shaft sleeve and the shaft body can be directly replaced without being disassembled, and the replacement time of the shaft sleeve is effectively shortened.
Description
Technical Field
The utility model particularly relates to a quick axle head that dismantles closes a mouthful bearing seal device.
Background
The shaft is a friction seal or stuffing box to prevent fluid leakage between the shaft and bearings of the compressor or other fluid handling equipment, and is also a sealing device provided to prevent leakage between the pump shaft and the housing. The common types of shaft seals are packing seals, mechanical seals and dynamic seals, and the shaft seals of reciprocating pumps are usually packing seals. When the delivery of a medium that does not allow leakage is not allowed, a diaphragm type reciprocating pump may be employed. The shaft seal of rotary pump (including vane pump, rotor pump, etc.) mainly has packing seal, mechanical seal and dynamic seal. But all can adopt interference fit to assemble between its axle sleeve of traditional bearing seal device and the axle bed to use the sealing washer to carry out supplementary sealed, and the sealing washer ageing inefficacy very easily in the use, and the change of traditional sealing washer need dismantle the back with the axle sleeve and just can change, unusual trouble, for this the utility model aims to provide a quick axle head that dismantles closes a mouthful bearing seal device, with the problem of proposing in solving above-mentioned background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a shaft end that dismantles fast and close a bearing seal device to reach the purpose of quick screening sand.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quick axle head that dismantles closes a mouthful bearing seal device, is including axle bed and the axle sleeve of setting in the axle bed, the mounting hole has been seted up on the axle bed, and the hole body front end edge position department of mounting hole has seted up the seal groove, the seal groove is right trapezoid's annular notch for a cross-section, and the border position department of its notch sets up threaded hole, the screw hole is equidistant three groups altogether, among the axle sleeve sets up the mounting hole on the axle bed, and installs the axis body through clearance fit in the inner circle of axle sleeve, be provided with the sealing ring among the notch of seal groove, its sealing ring structure comprises first sealing ring and second sealing ring, and the front end of sealing ring structure carries on spacingly fixedly through mounting flange.
Preferably, the whole sealing ring structure formed by combining the first sealing ring and the second sealing ring is of an annular structure with a right trapezoid cross section, the annular inclined surface of the annular structure is attached to the inclined surface of the sealing groove, and the width of the sealing ring structure is larger than the depth of the sealing groove.
Preferably, the positions of the two ports of the first sealing ring and the second sealing ring are arranged in a wedge shape, and the wedge-shaped ports of the first sealing ring and the second sealing ring are arranged in a matching way.
Preferably, be provided with sealed oil groove on the inclined plane of first sealing ring, sealed oil groove is semicircular arc notch for the cross-section, and its equidistant multiunit that is provided with altogether, and is provided with the notch structure the same with sealed oil groove on the inclined plane of second sealing ring, and its both positions are corresponding.
Preferably, the fixed flange plate is of an annular disc-shaped structure, a bolt hole is formed in the fixed flange plate, the position of the bolt hole corresponds to the position of the threaded hole, and the fixed flange plate is fixedly installed in the threaded hole in the shaft seat through a fixing bolt.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the sealing ring for sealing the shaft seat and the shaft sleeve is composed of the first sealing ring and the second sealing ring, so that when workers need to replace the sealing ring, the shaft sleeve and the shaft body can be directly replaced without being disassembled, and the replacement time of the shaft sleeve and the shaft body is effectively shortened;
2. and the sealing ring is set to be of an annular structure with a right trapezoid cross section, so that extrusion force can be formed by the inclined surface of the sealing ring and the inclined surface of the sealing groove, and the sealing effect between the shaft sleeve and the shaft seat is improved through the deformation effect of the sealing ring.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an exploded view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
fig. 4 is a schematic view of the sealing ring structure of the present invention;
fig. 5 is an enlarged view of the structure at B in fig. 4.
In the figure: axle bed 1, axle sleeve 2, axis body 3, seal groove 4, screw hole 5, first sealing ring 6, second sealing ring 7, sealed oil groove 8, fixed flange dish 9, bolt hole 10, fixing bolt 11.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a quick axle head that dismantles closes a mouthful bearing seal device, including axle bed 1 and the axle sleeve 2 of setting in axle bed 1, the mounting hole has been seted up on the axle bed 1, and the hole body front end edge position department of mounting hole has seted up seal groove 4, seal groove 4 is a cross-section and is right trapezoid's cyclic annular notch, and the edge position department of its notch sets up threaded hole 5, threaded hole 5 is equidistant three groups altogether, axle sleeve 2 sets up among the mounting hole on axle bed 1, and install axis body 3 through clearance fit in the inner circle of axle sleeve 2, be provided with the sealing ring among the notch of seal groove 4, its sealing ring structure comprises first sealing ring 6 and second sealing ring 7, and the front end of sealing ring structure carries out spacing fixed through fixed flange dish 9.
Furthermore, the whole sealing ring structure formed by combining the first sealing ring 6 and the second sealing ring 7 is of an annular structure with a right trapezoid cross section, the annular inclined surface of the sealing ring structure is attached to the inclined surface of the sealing groove 4, the width of the sealing ring structure is larger than the depth of the sealing groove 4, the sealing ring structure is of an annular structure with a right trapezoid cross section, so that extrusion force can be formed by the inclined surface of the sealing ring structure and the inclined surface of the sealing groove 4, and the sealing effect between the shaft sleeve 2 and the shaft seat 1 is improved through the deformation effect of the sealing ring;
furthermore, the positions of the two ports of the first sealing ring 6 and the second sealing ring 7 are arranged in a wedge shape, the wedge-shaped ports of the first sealing ring 6 and the second sealing ring 7 are arranged in a matching way, and extrusion deformation is formed at the contact position of the first sealing ring 6 and the second sealing ring 7 through a wedge-shaped structure, so that the sealing performance of the connection position is improved;
furthermore, a sealing oil groove 8 is arranged on the inclined surface of the first sealing ring 6, the sealing oil groove 8 is an arc-shaped notch with a semicircular section, a plurality of groups of notches are arranged at equal intervals, a notch structure identical to that of the sealing oil groove 8 is arranged on the inclined surface of the second sealing ring 7, the positions of the notches and the groove structure are corresponding, and oil sealing is formed at the position of the sealing oil groove by the oil storage function of the sealing oil groove 8;
further, the fixed flange plate 9 is an annular disc-shaped structure, a bolt hole 10 is formed in the fixed flange plate, the position of the bolt hole 10 corresponds to the position of the threaded hole 5, and the fixed flange plate 9 is fixedly installed in the threaded hole 5 of the shaft seat 1 through a fixing bolt 11;
the working principle is as follows: during the in-service use, when the staff need change the sealing ring structure between axle sleeve 2 and axle bed 1, the staff can will be used for fixation flange plate structure's fixation nut to lift off through spanner structure, then outwards pass suitable position department with the ring flange structure again, then through taking off first sealing ring 6 and second sealing ring 7, then get the new sealing ring structure with the model, scribble the one deck sealing oil through the brush on the structural surface of sealing ring, and guarantee to permeate sufficient oil body in the sealed oil groove 8, then install it in the seal groove 4 of the mounting hole position department on the axle bed 1, then push back fixed flange dish 9 again, and it can to fix it through fixing bolt 11.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a quick axle head that dismantles closes a mouthful shaft seal device, including axle bed (1) and axle sleeve (2) of setting in axle bed (1), its characterized in that: the utility model discloses a sealing ring, including axle bed (1), mounting hole, threaded hole (5) and axle sleeve (2), the mounting hole has been seted up on axle bed (1), and the hole body front end edge position department of mounting hole has seted up seal groove (4), seal groove (4) are the annular notch that a cross-section is right trapezoid, and the border position department of its notch sets up threaded hole (5), threaded hole (5) are equidistant to be provided with three groups altogether, among axle sleeve (2) the mounting hole of setting on axle bed (1), and install axis body (3) through clearance fit in the inner circle of axle sleeve (2), be provided with the sealing ring among the notch of seal groove (4), its sealing ring structure comprises first sealing ring (6) and second sealing ring (7), and the front end.
2. The quick-release shaft end closing shaft seal device according to claim 1, wherein: the whole sealing ring structure formed by combining the first sealing ring (6) and the second sealing ring (7) is of an annular structure with a right trapezoid cross section, an annular inclined surface of the annular structure is attached to an inclined surface of the sealing groove (4), and the width of the sealing ring structure is larger than the depth of the sealing groove (4).
3. The quick-release shaft end closing shaft seal device according to claim 2, wherein: the two ports of the first sealing ring (6) and the second sealing ring (7) are arranged in a wedge shape, and the wedge-shaped ports of the first sealing ring and the second sealing ring are matched.
4. The quick-release shaft end closing shaft seal device according to claim 3, wherein: be provided with sealed oil groove (8) on the inclined plane of first sealing ring (6), sealed oil groove (8) are semicircular arc notch for the cross-section, and its equidistant multiunit that is provided with altogether, and be provided with the notch structure the same with sealed oil groove (8) on the inclined plane of second sealing ring (7), and its both positions are corresponding.
5. The quick-release shaft end closing shaft seal device according to claim 1, wherein: the fixing flange plate (9) is of an annular disc-shaped structure, a bolt hole (10) is formed in the fixing flange plate, the position of the bolt hole (10) corresponds to the position of the threaded hole (5), and the fixing flange plate (9) is fixedly installed in the threaded hole (5) in the shaft seat (1) through a fixing bolt (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021391162.XU CN212899712U (en) | 2020-07-15 | 2020-07-15 | Quick-detachable shaft end closing shaft seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021391162.XU CN212899712U (en) | 2020-07-15 | 2020-07-15 | Quick-detachable shaft end closing shaft seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212899712U true CN212899712U (en) | 2021-04-06 |
Family
ID=75288122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021391162.XU Expired - Fee Related CN212899712U (en) | 2020-07-15 | 2020-07-15 | Quick-detachable shaft end closing shaft seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212899712U (en) |
-
2020
- 2020-07-15 CN CN202021391162.XU patent/CN212899712U/en not_active Expired - Fee Related
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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: 20210406 |