CN209212977U - A kind of modified liquid conveying segment hub seal mechanism - Google Patents
A kind of modified liquid conveying segment hub seal mechanism Download PDFInfo
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- CN209212977U CN209212977U CN201822020815.2U CN201822020815U CN209212977U CN 209212977 U CN209212977 U CN 209212977U CN 201822020815 U CN201822020815 U CN 201822020815U CN 209212977 U CN209212977 U CN 209212977U
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- output shaft
- pressed against
- attachment base
- screw rod
- wall
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Abstract
The utility model discloses a kind of modified liquid conveying segment hub seal mechanisms, including screw rod and output shaft attachment base, it is characterized by: the upper inner wall of the output shaft attachment base forms and radially extends circle, the top surface for radially extending circle is equipped with rolling bearing, the lateral wall holding of the outer ring of rolling bearing is on the upper inner wall of output shaft attachment base, oil sealing is nested in the top of output shaft attachment base, the bottom surface of oil sealing is pressed against on the top surface of rolling bearing, the lateral wall of oil sealing is pressed against on the upper inner wall of output shaft attachment base, the inner sidewall of oil sealing forms inwardly projecting epipharynx；It guarantees that screw rod is normally rotated and is pressed against on the lateral wall of screw rod by the epipharynx of oil sealing by rolling bearing and transverse bearing and realizes sealing, and guarantees that the epipharynx moment is pressed against on the lateral wall of screw rod by elastic ring body, guarantees sealing effect.
Description
Technical field:
The utility model relates to ice machine technical fields, close more specifically to a kind of modified liquid conveying screw rod
Sealing mechanism.
Background technique:
Ice making screw rod in existing ice machine is generally mounted on output shaft attachment base, generally uses mechanical seal
So that the aqueous conveyed above ice making screw rod will not be leaked out along the bottom of ice making screw rod, however, mechanical seal is at high cost, it is suitble to
It is used in the big equipment of intensity, the rotating axis component sealing in the lesser equipment of pressure ratio this for ice machine can not use machine
Tool seals and can use other sealing mechanisms, and there is no other sealing mechanisms now to replace mechanical seal.
Utility model content:
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of modified liquid conveying segment hub seal
Mechanism, it is normally rotated by rolling bearing and transverse bearing guarantee screw rod and is pressed against the outside of screw rod by the epipharynx of oil sealing
Sealing is realized on wall, and guarantees that the epipharynx moment is pressed against on the lateral wall of screw rod by elastic ring body, guarantees sealing effect.
The scheme that the utility model solves the technical problem is:
A kind of modified liquid conveying segment hub seal mechanism, including screw rod and output shaft attachment base, it is characterised in that: institute
The upper inner wall for stating output shaft attachment base, which forms, radially extends circle, and the top surface for radially extending circle is equipped with rolling bearing, rolling
On the upper inner wall of output shaft attachment base, oil sealing is nested in output shaft attachment base for the lateral wall holding of the outer ring of dynamic bearing
In top, the bottom surface of oil sealing is pressed against on the top surface of rolling bearing, and the lateral wall of oil sealing is pressed against the top of output shaft attachment base
On inner sidewall, the inner sidewall of oil sealing forms inwardly projecting epipharynx；
The lower part of the output shaft attachment base is hinged with coupling band by transverse bearing, and the middle part of coupling band is logical with spline
Hole, the bottom end of screw rod form ladder axle portion, and the bottom end of screw rod is pressed against on the top surface of the inner ring of rolling bearing, ladder axle portion
Top larger diameter end is fixed on the inner sidewall of the inner ring of rolling bearing, and the lower small diameter end sleeve of ladder axle portion prolongs radially
In the top for stretching circle and spline through-hole, splined projections, spline protruded are formed on the lateral wall at the lower small diameter end of ladder axle portion
It rises and is matched with spline through-hole, epipharynx is pressed against on the bottom outside wall of screw rod.
Annular groove is formed on the lateral wall of the epipharynx, elastic ring body is nested in annular groove.
The top for the output shaft that the lower part of the output shaft attachment base is protruded into forms spline shaft, and spline shaft sleeve exists
In the lower part of spline through-hole, spline shaft is matched with spline through-hole, and the top end face of output shaft is pressed against on the bottom surface of coupling band.
Interior annular groove is formed on the inside top surface wall for radially extending circle, elastic cushion is nested in interior annular groove
In, the bottom surface of elastic cushion is pressed against on the bottom surface of interior annular groove, and the top surface of elastic cushion is fixed with self-lubricating ring, rolling bearing
The bottom surface of outer ring is pressed against on the top surface for radially extending circle, and the top surface of self-lubricating ring is close in the bottom surface of the inner ring of rolling bearing.
The inside top wall of the output shaft attachment base forms annular slot, and snap ring holding is in annular slot, snap ring
Bottom surface be pressed against in the exterior top surface of oil sealing, the lower part sleeve of screw rod is in snap ring.
The protrusion effect of the utility model is:
Compared with prior art, it guarantees that screw rod normally rotates and by the interior of oil sealing by rolling bearing and transverse bearing
Lip, which is pressed against on the lateral wall of screw rod, realizes sealing, and guarantees that the epipharynx moment is pressed against the lateral wall of screw rod by elastic ring body
On, guarantee sealing effect.
Detailed description of the invention:
Fig. 1 is the partial structural diagram of the utility model.
Specific embodiment:
Embodiment is shown in as shown in Figure 1, a kind of modified liquid conveying segment hub seal mechanism, including screw rod 10 and output
Axis connection seat 20, the upper inner wall of the output shaft attachment base 20, which forms, radially extends circle 21, radially extends the top of circle 21
Face is equipped with rolling bearing 22, the upper inner wall of the lateral wall holding of the outer ring of rolling bearing 22 in output shaft attachment base 20
On, oil sealing 23 is nested in the top of output shaft attachment base 20, and the bottom surface of oil sealing 23 is pressed against on the top surface of rolling bearing 22, oil
The lateral wall of envelope 23 is pressed against on the upper inner wall of output shaft attachment base 20, and the inner sidewall of oil sealing 23 forms inwardly projecting
Epipharynx 24；
The lower part of the output shaft attachment base 20 is hinged with coupling band 26, the middle part tool of coupling band 26 by transverse bearing 25
There is spline through-hole 261, the bottom end of screw rod 10 forms ladder axle portion 11, and the bottom end of screw rod 10 is pressed against the inner ring of rolling bearing 22
Top surface on, the top larger diameter end of ladder axle portion 11 is fixed on the inner sidewall of the inner ring of rolling bearing 22, ladder axle portion 11
Lower small diameter end sleeve radially extend circle 21 and spline through-hole 261 top in, the lower small diameter of ladder axle portion 11
Splined projections are formed on the lateral wall at end, splined projections are matched with spline through-hole 261, and epipharynx 24 is pressed against the bottom of screw rod 10
On portion's lateral wall.
Further, annular groove is formed on the lateral wall of the epipharynx 24, elastic ring body 27 is nested in annular groove.
Further, the top for the output shaft 30 that the lower part of the output shaft attachment base 20 is protruded into forms spline shaft
31, in the lower part of spline through-hole 261, spline shaft 31 matches 31 sleeve of spline shaft with spline through-hole 261, output shaft 30
Top end face be pressed against on the bottom surface of coupling band 26.
Further, interior annular groove 211, elastic cushion are formed on the inside top surface wall for radially extending circle 21
212 are nested in interior annular groove 211, and the bottom surface of elastic cushion 212 is pressed against on the bottom surface of interior annular groove 211, elastic cushion 212
Top surface be fixed with self-lubricating ring 213, the bottom surface of the outer ring of rolling bearing 22 is pressed against on the top surface for radially extending circle 21, is rolled
It is close to the top surface of self-lubricating ring 213 in the bottom surface of the inner ring of bearing 22.
Further, the inside top wall of the output shaft attachment base 20 forms annular slot 28,29 holding of snap ring
In annular slot 28, the bottom surface of snap ring 29 is pressed against in the exterior top surface of oil sealing 23, and the lower part sleeve of screw rod 10 is in snap ring 29
In.
In this implementation, realize that screw rod 10 and coupling band 26 can be with outputs by rolling bearing 22 and transverse bearing 25
Axis 30 is rotated, and when rotated, is pressed against on the bottom outside wall of screw rod 10 by epipharynx 24, realizes sealing, and passes through bullet
Property ring body 27 be nested in annular groove, an elastic pressing can be played the role of to epipharynx 24, guarantee 24 moment of epipharynx is pressed against
On the lower outside wall of screw rod 10, guarantee the effect of sealing.
Claims (5)
1. a kind of modified liquid conveying segment hub seal mechanism, including screw rod (10) and output shaft attachment base (20), feature
Be: the upper inner wall of the output shaft attachment base (20), which forms, radially extends circle (21), radially extends the top of circle (21)
Face is equipped with rolling bearing (22), and the lateral wall holding of the outer ring of rolling bearing (22) is in the top of output shaft attachment base (20)
On side wall, oil sealing (23) is nested in the top of output shaft attachment base (20), and the bottom surface of oil sealing (23) is pressed against rolling bearing
(22) on top surface, the lateral wall of oil sealing (23) is pressed against on the upper inner wall of output shaft attachment base (20), oil sealing (23)
Inner sidewall forms inwardly projecting epipharynx (24)；
The lower part of the output shaft attachment base (20) is hinged with coupling band (26) by transverse bearing (25), in coupling band (26)
Portion has spline through-hole (261), and the bottom end of screw rod (10) forms ladder axle portion (11), and the bottom end of screw rod (10) is pressed against rolling
On the top surface of the inner ring of bearing (22), the top larger diameter end of ladder axle portion (11) is fixed on the interior of the inner ring of rolling bearing (22)
On side wall, the lower small diameter end sleeve of ladder axle portion (11) in the top for radially extending circle (21) and spline through-hole (261),
Splined projections, splined projections and spline through-hole (261) phase are formed on the lateral wall at the lower small diameter end of ladder axle portion (11)
Cooperation, epipharynx (24) are pressed against on the bottom outside wall of screw rod (10).
2. a kind of modified liquid conveying segment hub seal mechanism according to claim 1, it is characterised in that: the epipharynx
(24) annular groove is formed on lateral wall, elastic ring body (27) is nested in annular groove.
3. a kind of modified liquid conveying segment hub seal mechanism according to claim 1, it is characterised in that: the output
The top for the output shaft (30) that the lower part of axis connection seat (20) is protruded into forms spline shaft (31), and spline shaft (31) sleeve exists
In the lower part of spline through-hole (261), spline shaft (31) is matched with spline through-hole (261), the top face pressure of output shaft (30)
On the bottom surface for leaning against coupling band (26).
4. a kind of modified liquid conveying segment hub seal mechanism according to claim 1, it is characterised in that: the radial direction
It is formed on the inside top surface wall of pull ring (21) interior annular groove (211), elastic cushion (212) is nested in interior annular groove
(211) in, the bottom surface of elastic cushion (212) is pressed against on the bottom surface of interior annular groove (211), and the top surface of elastic cushion (212) is fixed
Have self-lubricating ring (213), the bottom surface of the outer ring of rolling bearing (22) is pressed against on the top surface for radially extending circle (21), rolling bearing
(22) it is close to the top surface of self-lubricating ring (213) in the bottom surface of inner ring.
5. a kind of modified liquid conveying segment hub seal mechanism according to claim 1, it is characterised in that: the output
The inside top wall of axis connection seat (20) forms annular slot (28), and snap ring (29) holding is in annular slot (28), snap ring
(29) bottom surface is pressed against in the exterior top surface of oil sealing (23), and the lower part sleeve of screw rod (10) is in snap ring (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822020815.2U CN209212977U (en) | 2018-12-04 | 2018-12-04 | A kind of modified liquid conveying segment hub seal mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822020815.2U CN209212977U (en) | 2018-12-04 | 2018-12-04 | A kind of modified liquid conveying segment hub seal mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209212977U true CN209212977U (en) | 2019-08-06 |
Family
ID=67462796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822020815.2U Active CN209212977U (en) | 2018-12-04 | 2018-12-04 | A kind of modified liquid conveying segment hub seal mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209212977U (en) |
-
2018
- 2018-12-04 CN CN201822020815.2U patent/CN209212977U/en active Active
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