CN208723674U - A kind of novel movable sealing structure of machine shaft - Google Patents
A kind of novel movable sealing structure of machine shaft Download PDFInfo
- Publication number
- CN208723674U CN208723674U CN201821629536.XU CN201821629536U CN208723674U CN 208723674 U CN208723674 U CN 208723674U CN 201821629536 U CN201821629536 U CN 201821629536U CN 208723674 U CN208723674 U CN 208723674U
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- cup
- end cap
- cylindrical seal
- shells
- seal end
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Abstract
The utility model relates to a kind of novel movable sealing structures of machine shaft, including motor, cup-shaped fixing piece, cylindrical seal end cap and set of shells, set of shells is cased on the casing of motor left end, cylindrical seal end cap is provided on the left of set of shells, annular groove is provided on the right side of cylindrical seal end cap, the left side of cylindrical seal end cap is provided with major diameter deep hole, there is installation axle along its axle center in the major diameter deep hole, work shaft is equipped with by bearing holder (housing, cover) in installation axle, cup-shaped fixing piece is installed on the output shaft on the left of motor, magnetic block A is relatively respectively arranged in cup-shaped fixing piece and work shaft, magnetic block B, anti- radial displacement cylinder A is provided between cup-shaped fixing piece and set of shells, anti- radial displacement B is provided between work shaft and major diameter deep hole, rectangular through-hole is also provided on cylindrical seal end cap, it is equipped in rectangular through-hole non-magnetic thin Type spacer.The beneficial effect that the utility model reaches is: absorption torque is big, stability is good, reduces repair rate.
Description
Technical field
The utility model relates to technical field of motors, especially a kind of novel movable sealing structure of machine shaft.
Background technique
After the sealing of machine shaft and drive end bearing bracket usually uses rubber and is sealed, but rubber is worn, it is easy to appear
Gap, cause it is poorly sealed, so as to cause oil leak.
Based on the above issues, our company has developed a kind of machine shaft movable sealing structure, makes motor inside and outside thoroughly
Isolation, realizes the transmitting of inside and outside torque by attracting each other for setting magnetic block, still at the case where oil leak is not present
There are still some problems in actual use.
One is the magnetic force due to being provided with cylindrical seal end cap, between internal magnetic force block A and the magnetic force block B of outside
Adsorption effect is bad, and possible internal magnetic force block A has turned multi-turn, and external magnetic force block B only has rotated a circle, therefore utilization rate is low.
The second is since working shaft is to be connected by bearing, and the axle center of working shaft can not with cylindrical seal end cap
Be it is accurate, working shaft can generate vibration at work, i.e., generate certain position deviation axially and radially upper, work as work
After axial length phase high-speed rotation, lead to the loosening of entire sealing structure, so as to cause working shaft run it is not stable enough, influence using,
Therefore have to primary per maintenance after a period of work, repair rate is high.
Based on it is above-mentioned two in actual use the problem of, now make improvements, to improve its service performance.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts, provide a kind of absorption torque is big, stability is good, drop
The novel movable sealing structure of the machine shaft of low repair rate.
The purpose of this utility model is achieved through the following technical solutions: a kind of novel movable sealing structure of machine shaft, packet
Motor, cup-shaped fixing piece, cylindrical seal end cap and set of shells are included, is cased with set of shells on the casing of motor left end, and set of shells is stretched
Motor left end out is provided with cylindrical seal end cap on the left of set of shells, annular groove, column is provided on the right side of cylindrical seal end cap
The left side of shape end cover is provided with major diameter deep hole along its axle center, has installation axle, installation axle along its axle center in the major diameter deep hole
It is upper that work shaft is equipped with by bearing holder (housing, cover), there is gap, in major diameter deep hole between the shaft that works and the wall of major diameter deep hole
Work its cylinder of shaft outer is circumferentially equably disposed with magnetic block A, and the output shaft of motor is located at its left end, the output shaft of motor
On cup-shaped fixing piece is installed and the two is concentric, the annular groove of the cup section insertion cylindrical seal end cap of cup-shaped fixing piece
In, there is gap, cup-shaped fixing piece and set of shells do not contact, cup-shaped between the cup section of cup-shaped fixing piece and the wall of annular groove
Circumferential on the inner wall of fixing piece cup section to be equably disposed with magnetic block B, magnetic fast A and magnetic block B location are oppositely arranged；
The cylindrical seal end cap is non-magnetic cylindrical seal end cap, the cylindrical seal end cap intermediate annular groove and big
The wall part formed between diameter depth blind hole is circumferentially provided with multiple rectangular through-holes, and non-magnetic slim isolation is equipped in rectangular through-hole
Piece；
It is provided with multiple slots in the left end face of the set of shells, cutting, cutting are provided on the right side of cylindrical seal end cap
It is inserted into slot；
It is provided between the outer cylinder of the cup section of the cup-shaped fixing piece, the inner wall of set of shells stretching motor part
Anti- radial displacement cylinder A, the outer cylinder of the cup section of cup-shaped fixing piece, set of shells stretch out on the inner wall of motor part be provided with it is corresponding
Mounting groove A, be provided with ball A between anti-radial displacement cylinder A and mounting groove A；
Anti- radial displacement cylinder B is provided between the wall of the work shaft and major diameter deep hole, the shaft that works and large radius-depth
It is provided with corresponding mounting groove B on the wall in hole, is provided with ball B between anti-radial displacement cylinder B and mounting groove B.
The work shaft is multi-diameter shaft, is provided with concentric locating slot at the cascaded surface for the shaft that works, locating slot
Bottom is placed with ball C, and positioning protrusion corresponding with locating slot is provided on cylindrical seal end cap, and positioning protrusion protrudes into locating slot
In contacted with ball C, and the wall of positioning protrusion and locating slot does not contact.
The anti-radial displacement cylinder A, anti-radial displacement cylinder B, cylindrical seal end cap, set of shells are symmetrical two valve,
Entirety is welded into its end face by welding machine after being installed, anchor ear is additionally provided with outside set of shells.
By being threadedly engaged installation and passing through nut check between the output shaft of the cup-shaped fixing piece and motor.
The work shaft is the work shaft of equipment, is also provided with sealing hole, column at the work shaft of the equipment
Shape end cover is inserted into sealing hole, seal groove is also provided on the outer cylinder of cylindrical seal end cap, between sealing hole and seal groove
It is sealed by sealing ring.
The utility model has the advantage that
By the way that anti-radial displacement cylinder A and anti-radial displacement cylinder B is arranged, radial displacement is prevented, setting locating slot, positioning are passed through
Protrusion and ball C, prevent axial displacement, to ensure that entire sealing mechanism is with small vibration at work, run smoothly, so that inspection
The frequency repaired is low, mitigates workload；
And the setting of rectangular opening and non-magnetic slim spacer on cylindrical seal end cap, then increase magnetic block A and magnetic
Property block B between adsorption capacity, allow magnetic block A and magnetic block B to rotate synchronously, strengthen the effect of torque transmitting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
In figure: 1- motor, 2- cup-shaped fixing piece, 3- cylindrical seal end cap, 4- set of shells, 5- installation axle, 6- work shaft,
The non-magnetic slim spacer of 7-, the anti-anti- radial displacement cylinder B of radial displacement cylinder A, 9- of 8-.
Specific embodiment
The utility model is further described with reference to the accompanying drawing, but the protection scope of the utility model is not limited to
It is as described below.
As shown in Figure 1, a kind of novel movable sealing structure of machine shaft, including motor 1, cup-shaped fixing piece 2, cylindrical seal end
Lid 3 and set of shells 4 are cased with set of shells 4 on the casing of 1 left end of motor, and set of shells 4 stretches out 1 left end of motor, a left side for set of shells 4
Side is provided with cylindrical seal end cap 3, and annular groove, the left side of cylindrical seal end cap 3 are provided on the right side of cylindrical seal end cap 3
It is provided with major diameter deep hole along its axle center, there is installation axle 5 along its axle center in the major diameter deep hole, be equipped in installation axle 5 by bearing holder (housing, cover)
Work shaft 6, and working has gap between shaft 6 and the wall of major diameter deep hole, 6 outer of work shaft in major diameter deep hole its
Cylinder is circumferentially equably disposed with magnetic block A, and the output shaft of motor 1 is located at its left end, is equipped with cup-shaped on the output shaft of motor 1
Fixing piece 2 and the two is concentric, in the annular groove of the cup section insertion cylindrical seal end cap 3 of cup-shaped fixing piece 2, cup-shaped is fixed
There is gap, cup-shaped fixing piece 2 and set of shells 4 do not contact, cup-shaped fixing piece 2 between the cup section of part 2 and the wall of annular groove
Circumferential on the inner wall of cup section to be equably disposed with magnetic block B, magnetic fast A and magnetic block B location are oppositely arranged；
The cylindrical seal end cap 3 is non-magnetic cylindrical seal end cap 3,3 intermediate annular groove of cylindrical seal end cap
The wall part formed between large radius-depth blind hole is circumferentially provided with multiple rectangular through-holes, be equipped in rectangular through-hole it is non-magnetic it is slim every
From piece 7；
Multiple slots are provided in the left end face of the set of shells 4, the right side of cylindrical seal end cap 3 is provided with cutting, inserts
Item is inserted into slot；
It is set between the outer cylinder of the cup section of the cup-shaped fixing piece 2, the inner wall of the stretching of set of shells 41 part of motor
It is equipped with anti-radial displacement cylinder A8, the outer cylinder of the cup section of cup-shaped fixing piece 2, set of shells 4 are stretched out on the inner wall of 1 part of motor
It is provided with corresponding mounting groove A, is provided with ball A between anti-radial displacement cylinder A8 and mounting groove A；
Anti- radial displacement cylinder B9 is provided between the wall of the work shaft 6 and major diameter deep hole, the shaft 6 that works and major diameter
It is provided with corresponding mounting groove B on the wall of deep hole, is provided with ball B between anti-radial displacement cylinder B9 and mounting groove B.
Further, the work shaft 6 is multi-diameter shaft, is provided with concentric positioning at the cascaded surface for the shaft 6 that works
Slot, the bottom of locating slot are placed with ball C, and positioning protrusion corresponding with locating slot, convex are provided on cylindrical seal end cap 3
It rises to protrude into locating slot and be contacted with ball C, and the wall of positioning protrusion and locating slot does not contact.
For the ease of installation, the anti-radial displacement cylinder A8, anti-radial displacement cylinder B9, cylindrical seal end cap 3, set of shells
4 be symmetrical two valve, is welded into entirety in its end face by welding machine after being installed, anchor ear is additionally provided with outside set of shells 4.
By being threadedly engaged installation between output shaft in order to guarantee to connect firm, described cup-shaped fixing piece 2 and motor 1
And pass through nut check.
When sealing installation, the work shaft 6 is the work shaft 6 of equipment, is also opened at the work shaft 6 of the equipment
Equipped with sealing hole, cylindrical seal end cap 3 is inserted into sealing hole, and seal groove is also provided on the outer cylinder of cylindrical seal end cap 3, is sealed
It is sealed between hole and seal groove by sealing ring.
Claims (5)
1. a kind of novel movable sealing structure of machine shaft, including motor (1), cup-shaped fixing piece (2), cylindrical seal end cap (3) and
Set of shells (4) is cased with set of shells (4) on the casing of motor (1) left end, and set of shells (4) stretches out motor (1) left end, set of shells
(4) it is provided on the left of cylindrical seal end cap (3), annular groove, cylindrical seal end is provided on the right side of cylindrical seal end cap (3)
The left side of lid (3) is provided with major diameter deep hole along its axle center, has installation axle (5) along its axle center in the major diameter deep hole, installation axle (5)
Upper to be equipped with work shaft (6) by bearing holder (housing, cover), work shaft (6) has gap between the wall of major diameter deep hole, is located at large radius-depth
Its cylinder of work shaft (6) outer in hole is circumferentially equably disposed with magnetic block A, and the output shaft of motor (1) is located at its left end,
Cup-shaped fixing piece (2) is installed on the output shaft of motor (1) and the two is concentric, the cup section insertion of cup-shaped fixing piece (2)
In the annular groove of cylindrical seal end cap (3), there is gap, cup between the cup section of cup-shaped fixing piece (2) and the wall of annular groove
Shape fixing piece (2) and set of shells (4) do not contact, circumferential on the inner wall of cup-shaped fixing piece (2) cup section to be equably disposed with magnetic
Property block B, magnetic fast A and magnetic block B location are oppositely arranged, it is characterised in that:
The cylindrical seal end cap (3) is non-magnetic cylindrical seal end cap (3), annular in the cylindrical seal end cap (3)
The wall part formed between slot and large radius-depth blind hole is circumferentially provided with multiple rectangular through-holes, is equipped in rectangular through-hole non-magnetic slim
Spacer (7)；
Multiple slots are provided in the left end face of the set of shells (4), cylindrical seal end cap is provided with cutting on the right side of (3), inserts
Item is inserted into slot；
The outer cylinder of the cup section of the cup-shaped fixing piece (2), set of shells (4) are stretched out between the inner wall of motor (1) part
It is provided with anti-radial displacement cylinder A(8), the outer cylinder of the cup section of cup-shaped fixing piece (2), set of shells (4) stretch out motor (1) portion
Point inner wall on be provided with corresponding mounting groove A, anti-radial displacement cylinder A(8) and mounting groove A between be provided with ball A；
Anti- radial displacement cylinder B(9 is provided between the work shaft (6) and the wall of major diameter deep hole), it works shaft (6) and big
Corresponding mounting groove B, anti-radial displacement cylinder B(9 are provided on the wall of diameter deep hole) and mounting groove B between be provided with ball B.
2. the novel movable sealing structure of a kind of machine shaft according to claim 1, it is characterised in that: the work shaft
(6) it is multi-diameter shaft, is provided with concentric locating slot at the cascaded surface of work shaft (6), the bottom of locating slot is placed with ball C,
Positioning protrusion corresponding with locating slot is provided on cylindrical seal end cap (3), positioning protrusion is protruded into locating slot and connect with ball C
Touching, and the wall of positioning protrusion and locating slot does not contact.
3. the novel movable sealing structure of a kind of machine shaft according to claim 2, it is characterised in that: the anti-radial position
Move cylinder A(8), anti-radial displacement cylinder B(9), cylindrical seal end cap (3), set of shells (4) be symmetrical two valve, after being installed
It is welded into entirety in its end face by welding machine, anchor ear is additionally provided with outside set of shells (4).
4. the novel movable sealing structure of a kind of machine shaft according to claim 3, it is characterised in that: the cup-shaped is fixed
By being threadedly engaged installation and passing through nut check between part (2) and the output shaft of motor (1).
5. the novel movable sealing structure of a kind of machine shaft according to claim 1, it is characterised in that: the work shaft
(6) it is the work shaft (6) of equipment, sealing hole, cylindrical seal end cap (3) is also provided at the work shaft (6) of the equipment
It is inserted into sealing hole, is also provided with seal groove on the outer cylinder of cylindrical seal end cap (3), passes through sealing between sealing hole and seal groove
Circle sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821629536.XU CN208723674U (en) | 2018-10-09 | 2018-10-09 | A kind of novel movable sealing structure of machine shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821629536.XU CN208723674U (en) | 2018-10-09 | 2018-10-09 | A kind of novel movable sealing structure of machine shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208723674U true CN208723674U (en) | 2019-04-09 |
Family
ID=65983213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821629536.XU Active CN208723674U (en) | 2018-10-09 | 2018-10-09 | A kind of novel movable sealing structure of machine shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208723674U (en) |
-
2018
- 2018-10-09 CN CN201821629536.XU patent/CN208723674U/en active Active
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