CN204041469U - A kind of air pressure mortar pump seal arrangement - Google Patents
A kind of air pressure mortar pump seal arrangement Download PDFInfo
- Publication number
- CN204041469U CN204041469U CN201420427724.XU CN201420427724U CN204041469U CN 204041469 U CN204041469 U CN 204041469U CN 201420427724 U CN201420427724 U CN 201420427724U CN 204041469 U CN204041469 U CN 204041469U
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- CN
- China
- Prior art keywords
- axle sleeve
- spring seat
- inner sleeve
- sealing inner
- sleeve
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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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Abstract
The utility model provides a kind of air pressure mortar pump seal arrangement, comprise axle sleeve, spring seat, rotating ring, stationary ring and sealing inner sleeve, described axle sleeve is sleeved on pump shaft, and the inner of axle sleeve is provided with flange, described sealing inner sleeve is arranged in the endoporus of the pump housing, the outside of axle sleeve; The outer end of sealing inner sleeve endoporus is provided with step, and sealing inner sleeve is inner and be respectively equipped with an O RunddichtringO between the pump housing and axle sleeve; Described spring seat, rotating ring and stationary ring are sleeved on axle sleeve, between the flange and the step of sealing inner sleeve endoporus of axle sleeve; Spring seat is near the step of sealing inner sleeve endoporus, and rotating ring is near the flange of axle sleeve the inner, and stationary ring, between rotating ring and spring seat, is provided with spring between spring seat and stationary ring.The utility model has that structure is simple, good sealing effect.
Description
technical field
The utility model relates to a kind of air pressure mortar pump seal arrangement.
background technique
The concrete sand stock pump of air pressure mortar pump to be a kind of with air be power source, belong to small-size concrete mortar pump, mortar, also known as microlith mortar pump, can be delivered on the high building of tens layers by concrete sand stock pump, is the special automation equipment for conveying cement microlith mortar, cement concrete.Mortar pump can reduce the labor intensity of workmen greatly, great raising efficiency of construction, it is the revolutionary new technology and equipment of current building machinery, become building and floor heating field necessary equipment, having this equipment can allow construction more free and relaxed, working efficiency is advanced by leaps and bounds, and economic and social benefit is huge.
At present, common mortar pump is in shaft end seal design, and great majority adopt packing seal or conventional machinery sealing.Packing seal is with low cost, reload conveniently, but filler easily weares and teares, and causes mortar severe leakage and be eliminated gradually after wearing and tearing.Mechanical seal mode is now generally used to realize the sealing of axle head in the industry, because it has good airproof performance, stable performance, the advantages such as leakage rate is few, and life cycle is long.But there is gap between the stationary ring of mechanical seal and stationary ring positioning seat, gap is directly communicated with pump chamber fed sheet of a media, and fine solid particles easily enters this gap and stationary ring is blocked, and causes the sealing of dynamic and static interannular by ineffective.Moreover fine solid particles directly may destroy O shape rubber ring, O shape rubber ring is damaged, whole shaft end seal was lost efficacy, causes fed sheet of a media to reveal.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of structure simple, the air pressure mortar pump seal arrangement that sealability is excellent.
The technical solution adopted in the utility model is:
A kind of air pressure mortar pump seal arrangement, comprise axle sleeve, spring seat, rotating ring, stationary ring and sealing inner sleeve, described axle sleeve is sleeved on pump shaft, and the inner of axle sleeve is provided with flange, and described sealing inner sleeve is arranged in the endoporus of the pump housing, the outside of axle sleeve; The outer end of sealing inner sleeve endoporus is provided with step, and sealing inner sleeve is inner and be respectively equipped with an O RunddichtringO between the pump housing and axle sleeve; Described spring seat, rotating ring and stationary ring are sleeved on axle sleeve, between the flange and the step of sealing inner sleeve endoporus of axle sleeve; Spring seat is near the step of sealing inner sleeve endoporus, and rotating ring is near the flange of axle sleeve the inner, and stationary ring, between rotating ring and spring seat, is provided with spring between spring seat and stationary ring.
In above-mentioned air pressure mortar pump seal arrangement, the described pump housing is provided with many screw rods, the axis of screw rod and the axis being parallel of pump shaft, and spring seat, through the pump housing and sealing inner sleeve, is withstood in one end of screw rod.
In above-mentioned air pressure mortar pump seal arrangement, described pump shaft is provided with damping tray near pump housing inwall, and conically, the conical surface of damping tray is provided with multiple radial groove to damping tray, and the face, large bottom of damping tray is provided with annular groove.
In above-mentioned air pressure mortar pump seal arrangement, the cylndrical surface of described stationary ring is provided with the dark grooves such as circle, corresponds to the dark grooves such as circular, puts and be provided with stop pin in sealing, and the end of stop pin is inserted in the dark grooves such as circle.
In above-mentioned air pressure mortar pump seal arrangement, the outside described pump housing sealing inner sleeve is provided with oil pocket.
Compared with prior art, the beneficial effects of the utility model are:
The utility model structure is simple, adopts axle sleeve, seals inner sleeve and the stationary ring that is arranged between axle sleeve, sealing inner sleeve and rotating ring seal, good sealing effect; And pump shaft of the present utility model is also provided with damping tray, and in pump operation process, damping tray rotates along with the rotation of pump shaft, produce centrifugal force, leak fluid and solid particle are discharged and reaches sealing effect, make sealing effect of the present utility model better.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: the pump housing 1, screw rod 2, pump shaft 3, axle sleeve 4, spring seat 5, sealing inner sleeve 6, spring 7, stationary ring 8, stop pin 9, oil are stifled 10, rotating ring 11, outside framework oil seal 12, O-ring seals 13, damping tray 14, oil pocket 15.
Fig. 2 is the structural representation of damping tray of the present utility model.
Fig. 3 is the structural representation of stationary ring of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, the utility model comprises axle sleeve 4, spring seat 5, rotating ring 11, stationary ring 8, sealing inner sleeve 6 and damping tray 14, and described axle sleeve 4 is sleeved on pump shaft 3, and the inner of axle sleeve 4 is provided with flange.Described sealing inner sleeve 6 is arranged in the endoporus of the pump housing 1, the outside of axle sleeve 4, and the outer end of sealing inner sleeve 6 endoporus is provided with step, and sealing inner sleeve 6 is inner and be respectively equipped with an O RunddichtringO 13 between the pump housing 1 and axle sleeve 4; On the pump housing 1, the outside of sealing inner sleeve 6 is provided with oil pocket 15, and the top of oil pocket 15 is provided with oil stifled 10, saves additional oil storage cup.Described spring seat 5, rotating ring 11 and stationary ring 8 are sleeved on axle sleeve 4, between the flange and the step of sealing inner sleeve 6 endoporus of axle sleeve 4; Spring seat 5 is near the step of sealing inner sleeve 6 endoporus, and rotating ring 11 is near the flange of axle sleeve 4 the inner, and stationary ring 8, between rotating ring 11 and spring seat 5, is provided with spring 7 between spring seat 5 and stationary ring 8.As shown in Figure 3, the cylndrical surface of described stationary ring 8 is provided with the dark grooves 81 such as circular, corresponds to the dark grooves 81 such as circular, and sealing inner sleeve 6 is provided with stop pin 9, and the end of stop pin is inserted in the dark groove 81 such as circular.Dark groove 81 effect such as circular is the movement or the rotation that make stationary ring 8 can carry out small distance in axis, radial direction, when screw rod 2 is fixing, compensates accordingly according to rotating ring 11 motion state, reaches better sealing effect.
The described pump housing 1 is provided with many screw rods 2, the axis of screw rod 2 and the axis being parallel of pump shaft 3, and spring seat 5, through the pump housing 1 and the step sealing inner sleeve 6 endoporus, is withstood in one end of screw rod 2.Stretching of adjusting screw rod 2, can regulate stationary ring 8, to reach corresponding sealing compensation.
Described damping tray 14 is arranged on pump shaft 3, near the inwall of the pump housing 1.As shown in Figure 2, described damping tray 14 is tapered, and the conical surface of damping tray 14 is provided with multiple radial groove 141, and multiple radial groove 141 is along the circumferential direction evenly arranged; The large face, bottom of damping tray 14 is provided with annular groove 142.In air pressure mortar pump running, damping tray 14 rotates along with the rotation of pump shaft 3, produces centrifugal force, leak fluid and solid particle is discharged, reaches sealing effect, can play hypotensive effect.
It is last it is noted that above embodiment is only suitable for the technological scheme described by novel and unrestricted the utility model for illustration of this; Therefore, although this specification has been described in detail the utility model with reference to above-described embodiment, those of ordinary skill in the art should be appreciated that and still can modify to the utility model or equivalent replacement; And all do not depart from technological scheme and the improvement thereof of spirit and scope of the present utility model, it all should be encompassed in claim scope of the present utility model.
Claims (5)
1. an air pressure mortar pump seal arrangement, it is characterized in that: comprise axle sleeve, spring seat, rotating ring, stationary ring and sealing inner sleeve, described axle sleeve is sleeved on pump shaft, and the inner of axle sleeve is provided with flange, described sealing inner sleeve is arranged in the endoporus of the pump housing, the outside of axle sleeve; The outer end of sealing inner sleeve endoporus is provided with step, and sealing inner sleeve is inner and be respectively equipped with an O RunddichtringO between the pump housing and axle sleeve; Described spring seat, rotating ring and stationary ring are sleeved on axle sleeve, between the flange and the step of sealing inner sleeve endoporus of axle sleeve; Spring seat is near the step of sealing inner sleeve endoporus, and rotating ring is near the flange of axle sleeve the inner, and stationary ring, between rotating ring and spring seat, is provided with spring between spring seat and stationary ring.
2. air pressure mortar pump seal arrangement according to claim 1, is characterized in that: the described pump housing is provided with many screw rods, the axis of screw rod and the axis being parallel of pump shaft, and spring seat, through the pump housing and sealing inner sleeve, is withstood in one end of screw rod.
3. air pressure mortar pump seal arrangement according to claim 1, it is characterized in that: described pump shaft is provided with damping tray near pump housing inwall, conically, the conical surface of damping tray is provided with multiple radial groove to damping tray, and the face, large bottom of damping tray is provided with annular groove.
4. air pressure mortar pump seal arrangement according to claim 1, it is characterized in that: the cylndrical surface of described stationary ring is provided with the dark grooves such as circular, correspond to the dark grooves such as circular, put and be provided with stop pin in sealing, the end of stop pin is inserted in the dark grooves such as circle.
5. air pressure mortar pump seal arrangement according to claim 1, is characterized in that: the outside described pump housing sealing inner sleeve is provided with oil pocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420427724.XU CN204041469U (en) | 2014-07-31 | 2014-07-31 | A kind of air pressure mortar pump seal arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420427724.XU CN204041469U (en) | 2014-07-31 | 2014-07-31 | A kind of air pressure mortar pump seal arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204041469U true CN204041469U (en) | 2014-12-24 |
Family
ID=52242139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420427724.XU Expired - Fee Related CN204041469U (en) | 2014-07-31 | 2014-07-31 | A kind of air pressure mortar pump seal arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204041469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697408A (en) * | 2016-04-13 | 2016-06-22 | 镇江江大泵业科技有限公司 | Sealing structure for centrifugal pump |
-
2014
- 2014-07-31 CN CN201420427724.XU patent/CN204041469U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697408A (en) * | 2016-04-13 | 2016-06-22 | 镇江江大泵业科技有限公司 | Sealing structure for centrifugal pump |
| CN105697408B (en) * | 2016-04-13 | 2018-03-16 | 镇江福泰克流体技术有限公司 | A kind of sealing structure for centrifugal pump |
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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: 20141224 Termination date: 20150731 |
|
| EXPY | Termination of patent right or utility model |