CN202884021U - Hygiene-stage shaft seal structure - Google Patents
Hygiene-stage shaft seal structure Download PDFInfo
- Publication number
- CN202884021U CN202884021U CN 201220567796 CN201220567796U CN202884021U CN 202884021 U CN202884021 U CN 202884021U CN 201220567796 CN201220567796 CN 201220567796 CN 201220567796 U CN201220567796 U CN 201220567796U CN 202884021 U CN202884021 U CN 202884021U
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- Prior art keywords
- ring
- fixed ring
- fixed
- mesopore
- hygiene
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Abstract
The utility model relates to a hygiene-stage shaft seal structure, in particular to a hygiene-stage shaft seal structure suitable for the field of food machinery, and provides the hygiene-stage shaft seal structure which is small in movement friction, high in transmission efficiency and free of dead angles in seal. The hygiene-stage shaft seal structure comprises a spindle, a rack and a liquid storage tank, the rack is provided with a bottom plate with a center hole, and the rack is fixedly connected in the position below the liquid level of the liquid storage tank. A moving ring component and a fixed ring component are arranged on the spindle, the moving ring is fixedly connected on the spindle, the fixed ring is connected on the rack, the moving ring component comprises a fixed seat, a moving ring, a pin and a head set screw, the fixed ring component comprises a top plate, an annular elastic piece and a fixed ring, the top plate is provided with a center hole, and the inner diameter of the center hole is larger than the outer diameter of the spindle. Shaft seal free of the dead angles is achieved, all the rotating parts are in a holohedral symmetry structure to ensure that dynamic balance performance is excellent, all the sealing parts are free of hygiene dead angles and can be cleaned completely in cleaning in place (CIP) clean.
Description
Technical field
The utility model relates to a kind of axle sealing structure, relates in particular to the sanitation-grade axle sealing structure in a kind of suitable food machinery field.
Background technique
At present, mixing plant is as common working machine, usually have rotating shaft and frame, rotating shaft is rotated with respect to frame in frame, the two certainly exists the problems such as friction, gap in one moving one quiet process, people just need to lubricate it, seal and improved like this, such as by name " horizontal concrete mixer of Novel shaft seal device and application thereof " of State Bureau in announcement on December 17th, 2008, application number is the file of " 200820043535.7 ", reduces friction between rotating shaft and the frame by setting up rotating ring and stationary ring.Yet, in the middle of food processing, also needing to apply to mixing plant such as milk, beverage etc., this kind equipment mid frame and rotating shaft are in the drink usually, seem particularly outstanding of the problem of its sealing.
The model utility content
The utility model is for above problem, proposed that a kind of kinetic friction is little, transmission efficiency is high and sealing without the sanitation-grade axle sealing structure at dead angle.
The technical solution of the utility model is: the sanitation-grade axle sealing structure, comprise rotating shaft, frame and liquid container, and described frame has the base plate with mesopore, and described frame is fixedly connected on the liquid level of described liquid container with upper/lower positions;
Described rotating shaft is provided with moving ring assembly and fixed ring assembly, and described moving ring assembly is fixedly connected in the described rotating shaft, and described fixed ring assembly is connected on the described frame,
Described moving ring assembly comprises: fixed base, rotating ring, pin and end a screw; Described fixed base has mesopore, and described fixed base is fixedly connected in the described rotating shaft by a some described screw that ends of radial equipartition, and described rotating ring is arranged on described fixed base on the end face in the described liquid container outside by axial uniform some pins; Between described rotating ring and described fixed base, be provided with seal ring of moving ring, be provided with the inner circle seal ring in the inner circle of described fixed base, be provided with the termination seal ring at described fixed base towards the place, mesopore aperture of described liquid container inside;
Described fixed ring assembly comprises: have mesopore and mesopore internal diameter greater than top board, ring elastic parts and the fixed ring of described rotating shaft external diameter; Described top board is fixedly connected on the outer side surface of described frame, described ring elastic parts is arranged on the internal surface of described top board, described fixed ring is established in the inboard of described ring elastic parts, fit under the effect of end face at described ring elastic parts of the described tank interior exterior edge face of described rotating ring of described fixed ring; Between described fixed ring and described base plate, be provided with the fixed ring seal ring.
Between described ring elastic parts and described fixed ring, also be provided with torsional stop; Described fixed ring is provided with lower deep gouge towards the end face of described torsional stop, and described base plate mesopore inner circle is provided with breach; Described torsional stop ringwise, the cylindrical of described torsional stop is provided with the projection adaptive with described breach, the projection on the described torsional stop links to each other with the breach of described base plate mesopore inner circle; Described torsional stop plate face is provided with the fin that protrudes from described torsional stop surface, and described fin links to each other with described lower deep gouge.
Between described base plate and described liquid container, be provided with flange plate.
Some screws that end are located on the same circumference on the described rotating ring, and described same circumference offers a circle groove, and a described screw hole that ends is opened on the bottom surface of described groove, is filled with an only screw seal ring in described groove.
Described fixed ring is provided with a circle projection towards the end face of described tank interior; Described rotating ring towards the exterior edge face be provided with a circle and the adaptive scrobicular ring of described projection.
Between top board and torsional stop, set up the cyclic spring link in the utility model, by ring elastic parts compressing rotating ring and fixed ring no matter during relative static or relative movement, all keep close contact, simultaneously set up projection and set up scrobicular ring at rotating ring surely changing, so that remain concentric between rotating ring and the fixed ring; At the termination seal ring of setting up between rotating shaft and the fixed base and inner edge seal ring, end set up outside the screw end a screw seal ring, at the seal ring of moving ring of setting up between fixed base and the rotating ring, formed the complete locking system of a cover at the fixed ring seal ring of setting up between fixed ring and the base plate and the flangeseal circle between flange plate and base plate, set up, realized the shaft sealing without the dead angle.All rotary components are full symmetrical configuration, guarantee that dynamic balance performance is good.All Sealings clean up when CIP cleans without the corner or spot as yet untouched by a clean-up campaign.
Description of drawings
Fig. 1 is structural representation of the present utility model,
Fig. 2 is M place partial enlarged drawing among Fig. 1,
Fig. 3 is N place partial enlarged drawing among Fig. 2,
Fig. 4 is the structural representation of torsional stop in the utility model,
Fig. 5 is the left view of Fig. 4;
1 is liquid container among the figure,
The 2nd, rotating shaft, the 21st, blade,
The 3rd, motor,
The 4th, frame, the 41st, base plate,
The 5th, flange plate, the 50th, the flangeseal circle,
The 6th, the fixed ring assembly, the 60th, top board, the 61st, fixed ring, the 610th, the fixed ring seal ring, the 611st, projection, the 62nd, ring elastic parts, the 63rd, torsional stop, the 631st, fin,
The 7th, moving ring assembly, the 70th, fixed base, the 7001st, the inner circle seal ring, the 7002nd, the termination seal ring, the 71st, rotating ring, the 710th, seal ring of moving ring, the 711st, scrobicular ring, the 72nd, pin, the 73rd, end a screw, the 730th, end a screw seal ring.
Embodiment
The utility model is shown in Fig. 1-5, and the sanitation-grade axle sealing structure comprises rotating shaft 2, frame and 4 liquid containers 1, and described frame 4 has the base plate 41 with mesopore, and described frame 4 is fixedly connected on the liquid level of described liquid container 1 with upper/lower positions;
Described rotating shaft 2 is provided with moving ring assembly 7 and fixed ring assembly 6, and described moving ring assembly 7 is fixedly connected in the described rotating shaft 2, and described fixed ring assembly 6 is connected on the described frame 4,
Described moving ring assembly 7 comprises: fixed base 70, rotating ring 71, pin 72 and end a screw 73; Described fixed base 70 has mesopore, described fixed base 70 is fixedly connected in the described rotating shaft 2 by the some described screw 73 that ends of radial equipartition, like this, fixed base 70 can with rotating shaft 2 synchronous operations, described rotating ring 71 is arranged on described fixed base 70 on the end face in described liquid container 1 outside by axial uniform some pins 72, drive rotating ring 71 by pin 72, make rotating ring 71 and fixed base 70 synchronous operations; Between described rotating ring 71 and described fixed base 70, be provided with seal ring of moving ring 710, so that keep liquid sealing between rotating ring 71 and the fixed base 70, inner circle at described fixed base 70 is provided with inner circle seal ring 7001, so that keep liquid sealing between rotating shaft 2 and the fixed base 70, be provided with termination seal ring 7002 at described fixed base 70 towards the place, mesopore aperture of described liquid container 1 inside, so that rotating shaft 2 keeps liquid sealing with joint, fixed base 70 termination;
Described fixed ring assembly 6 comprises: have mesopore and mesopore internal diameter greater than top board 60, ring elastic parts 62 and the fixed ring 61 of described rotating shaft external diameter; Described top board 60 is fixedly connected on the outer side surface of described frame 4, described ring elastic parts 62 is arranged on the internal surface of described top board 60, described fixed ring 61 is established in the inboard of described ring elastic parts 62, described fixed ring 61 is towards fit under the effect of described ring elastic parts 62 exterior edge face of described rotating ring 71 of the end face of described tank interior, no matter during relative static or relative movement, all keep close contact by ring elastic parts 692 compressing rotating rings 71 and fixed ring 61; Between described fixed ring 61 and described base plate 41, be provided with fixed ring seal ring 610, so that keep liquid sealing between fixed ring 61 and the base plate 41.Described ring elastic parts 62 is the ring elastic parts such as ripple spring, dish spring, elastic rubber ring.
Between described ring elastic parts 62 and described fixed ring 61, also be provided with torsional stop 63; Described fixed ring 61 is provided with lower deep gouge towards the end face of described torsional stop 63, and described base plate 41 mesopore inner circles are provided with breach; Described torsional stop 63 ringwise, the cylindrical of described torsional stop 63 is provided with the projection adaptive with described breach, the projection on the described torsional stop 63 links to each other with the breach of described base plate 41 mesopore inner circles; Described torsional stop 63 plate faces are provided with the fin 631 that protrudes from described torsional stop 63 surfaces, described fin 631 links to each other with described lower deep gouge, by torsional stop 63 so that fixed ring 61 do not rotate with respect to base plate 41, can guarantee like this to move, the frictional force between the fixed ring is balanced, and then guarantees dynamic and static sealing effect.And isolated and the contacting of ring elastic parts, avoided the damage to ring elastic parts 62.
Between described base plate 41 and described liquid container 1, be provided with flange plate 5, be provided with flangeseal circle 50 between described flange plate 5 and the described base plate 41, so that keep liquid sealing between flange plate 5 and the base plate 41.
Some screws 73 that end are located on the same circumference on the described rotating ring 71, described same circumference offers a circle groove, a described screw hole that ends is opened on the bottom surface of described groove, is filled with an only screw seal ring 730 in described groove, so that end a screw 73 and the outside liquid sealing that keeps.
Described fixed ring 61 is provided with a circle projection 611 towards the end face of described tank interior; Described rotating ring 71 towards the exterior edge face be provided with a circle and described protruding 611 adaptive scrobicular rings 711, by cooperating of annular protrusion 611 and scrobicular ring 711, so that rotating ring 71 and fixed ring 61 remain concentric.
Embodiment of the present utility model is shown in Fig. 1-5, the termination seal ring 7002 of setting up between rotating shaft 2 and the fixed base 70 and inner edge seal ring 7001, end a screw 73 outer set up end a screw seal ring 730, at the seal ring of moving ring 710 of setting up between fixed base 70 and the rotating ring 71, formed one at the fixed ring seal ring 610 of setting up between fixed ring 61 and the base plate 41 and the flangeseal circle 50 between flange plate 5 and base plate 41, set up and overlapped complete locking system, realized the shaft sealing without the dead angle.
Technique effect of the present utility model: the utility model is simple in structure, easy to use, has realized that when guaranteeing not affect the normal operation of rotating shaft the little and sealing of frictional force is without the characteristics at dead angle.
Claims (5)
1. the sanitation-grade axle sealing structure comprises rotating shaft, frame and liquid container, and described frame has the base plate with mesopore, and described frame is fixedly connected on the liquid level of described liquid container with upper/lower positions;
Described rotating shaft is provided with moving ring assembly and fixed ring assembly, and described moving ring assembly is fixedly connected in the described rotating shaft, and described fixed ring assembly is connected on the described frame, it is characterized in that,
Described moving ring assembly comprises: fixed base, rotating ring, pin and end a screw; Described fixed base has mesopore, and described fixed base is fixedly connected in the described rotating shaft by a some described screw that ends of radial equipartition, and described rotating ring is arranged on described fixed base on the end face in the described liquid container outside by axial uniform some pins; Between described rotating ring and described fixed base, be provided with seal ring of moving ring, be provided with the inner circle seal ring in the inner circle of described fixed base, be provided with the termination seal ring at described fixed base towards the place, mesopore aperture of described liquid container inside;
Described fixed ring assembly comprises: have mesopore and mesopore internal diameter greater than top board, ring elastic parts and the fixed ring of described rotating shaft external diameter; Described top board is fixedly connected on the outer side surface of described frame, described ring elastic parts is arranged on the internal surface of described top board, described fixed ring is established in the inboard of described ring elastic parts, fit under the effect of end face at described ring elastic parts of the described tank interior exterior edge face of described rotating ring of described fixed ring; Between described fixed ring and described base plate, be provided with the fixed ring seal ring.
2. sanitation-grade axle sealing structure according to claim 1 is characterized in that, also is provided with torsional stop between described ring elastic parts and described fixed ring; Described fixed ring is provided with lower deep gouge towards the end face of described torsional stop, and described base plate mesopore inner circle is provided with breach; Described torsional stop ringwise, the cylindrical of described torsional stop is provided with the projection adaptive with described breach, the projection on the described torsional stop links to each other with the breach of described base plate mesopore inner circle; Described torsional stop plate face is provided with the fin that protrudes from described torsional stop surface, and described fin links to each other with described lower deep gouge.
3. sanitation-grade axle sealing structure according to claim 1 is characterized in that, is provided with flange plate between described base plate and described liquid container.
4. sanitation-grade axle sealing structure according to claim 1, it is characterized in that, some screws that end are located on the same circumference on the described rotating ring, described same circumference offers a circle groove, a described screw hole that ends is opened on the bottom surface of described groove, is filled with an only screw seal ring in described groove.
5. sanitation-grade axle sealing structure according to claim 1 is characterized in that, described fixed ring is provided with a circle projection towards the end face of described tank interior; Described rotating ring towards the exterior edge face be provided with a circle and the adaptive scrobicular ring of described projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220567796 CN202884021U (en) | 2012-10-31 | 2012-10-31 | Hygiene-stage shaft seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220567796 CN202884021U (en) | 2012-10-31 | 2012-10-31 | Hygiene-stage shaft seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202884021U true CN202884021U (en) | 2013-04-17 |
Family
ID=48075451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220567796 Expired - Fee Related CN202884021U (en) | 2012-10-31 | 2012-10-31 | Hygiene-stage shaft seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202884021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644868A (en) * | 2013-11-22 | 2014-03-19 | 北京宇航系统工程研究所 | An effective area measurement system for a metal film box |
-
2012
- 2012-10-31 CN CN 201220567796 patent/CN202884021U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644868A (en) * | 2013-11-22 | 2014-03-19 | 北京宇航系统工程研究所 | An effective area measurement system for a metal film box |
| CN103644868B (en) * | 2013-11-22 | 2016-05-04 | 北京宇航系统工程研究所 | A kind of effective area measuring system of metal bellows |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20151031 |
|
| EXPY | Termination of patent right or utility model |