CN106870444A - A kind of gland seal device - Google Patents
A kind of gland seal device Download PDFInfo
- Publication number
- CN106870444A CN106870444A CN201710235342.5A CN201710235342A CN106870444A CN 106870444 A CN106870444 A CN 106870444A CN 201710235342 A CN201710235342 A CN 201710235342A CN 106870444 A CN106870444 A CN 106870444A
- Authority
- CN
- China
- Prior art keywords
- ring
- seal device
- gland seal
- cooling
- axis body
- Prior art date
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
Abstract
Present invention is disclosed a kind of gland seal device, including the stationary ring, rotating ring, preceding axle envelope, locating ring and the cooling device that are set on axis body, stationary ring fits to form friction pair with rotating ring, and the gap circulated for liquid is also formed between the two, front axle big envelope is located on axis body and one end is connected with locating ring, and the other end is connected with rotating ring；Gap between cooling device and stationary ring and rotating ring communicates, and cooling device conveys coolant to gap in gap during no liquid.The present invention is combined by internal friction auxiliary structure and external cooling structure, and axis body and other structures junction structure are lowered the temperature in time.
Description
Technical field
The present invention relates to a kind of axle envelope, quick, timely cooling can be carried out to axis body sealing mechanism more particularly, to one kind
Gland seal device.
Background technology
Axle envelope (shaft seal) is a kind of friction sealed or stuffing-box, is used to prevent compressor or the conveying of other fluids from setting
Standby liquid leakage between axle and bearing.Axle envelope is to prevent from being leaked and the sealing device of setting at pump shaft and housing.Conventional axle
Envelope pattern has packing seal, mechanical seal and power to seal.The axle envelope of reciprocating pump is typically packing seal.When conveying does not allow leakage
During medium, diaphragm-type reciprocating pump can be used.The axle envelope of rotary pump (containing vane type oil pump, impeller pump etc.) mainly have packing seal,
Mechanical seal and dynamic seal.
Centrifugal pump is the conveying that fluid is completed by the rotation of the centrifugal force drive fluid of the impeller generation of rotary pump, main
To be made up of motor, impeller, the pump housing and gland seal device.When using, by connection motor impeller by the liquid inside pumping from
Outlet is transported in the presence of the heart, then pumping die cavity forms vacuum and Inlet fluid is drawn into the formation circulation of pumping the inside again.
In use because the friction of machine envelope can steeply rise own temperature.And the liquid of pumping die cavity can be closed to machine
Cooling effect, so as to protect machine to seal avoid damaging.But pumping entrance is it sometimes appear that blocking or entering empty in use
Gas, causes do not have liquid in pumping die cavity, and pumping machine envelope friction in the case of aneroid dry run is rapidly heated, in very short time
It is interior to damage, cause leakage to use.
Existing Patent No. 201520089571.7, patent name is metal horizontal centrifugal pump, discloses the pump housing, leaf
Wheel, the mechanical sealing mechanism in pump cover, and pump cover, be connected to pump cover rear end machine sealed cover, be bolted to it is described
Outer press cover at the open rearward end of the pump housing and the pump shaft being connected with the impeller forward through machine sealed cover and pump cover, are arranged at pump
Mechanical sealing mechanism in the central cavity of lid, it is bolted to the machine sealed cover of pump cover rear end, is bolted to
Outer press cover at the open rearward end of the pump housing and the pump shaft being connected with the impeller forward through machine sealed cover and pump cover, it is described
Mechanical sealing mechanism includes sleeve, spring, pressure ring, machine envelope stationary ring, machine envelope rotating ring and rotating seat.What although the patent of invention was solved
Sealing property, and decay resistance, but and have how the pumping for solving to dally avoids machine from sealing temperature arrising caused by friction to mechanical seal machine
The damage problem of structure, and it is wasting manpower and material resources' cost of idleness again to change mechanical sealing mechanism, therefore be badly in need of solving problems.
The content of the invention
Defect it is an object of the invention to overcome prior art, there is provided a kind of gland seal device, during avoiding axis body from working
The temperature for producing that rubs is configured to damage to machine sealed knot.
To achieve the above object, the present invention proposes following technical scheme：A kind of gland seal device, it is set on axis body, bag
Stationary ring, rotating ring, preceding axle envelope and locating ring are included, the stationary ring and locating ring are fixed and be set on axis body, and the rotating ring is set in axle
On body and can be with axis body synchronous rotary, the stationary ring be fitted to form friction pair with rotating ring, and feed flow is also formed between both
The gap of body circulation, the front axle big envelope is located on axis body and one end is connected with locating ring, and the other end is connected with rotating ring；The axle
Seal apparatus also include cooling device, and the cooling device is communicated with the gap between stationary ring and rotating ring, and the cooling dress
Coolant to the gap is conveyed when putting the no liquid in the gap.
Preferably, the gland seal device also includes being fixed on the gland of the stationary ring periphery.
Preferably, it is fixedly connected both by the cooperation of concaveconvex structure between the gland and stationary ring.
Preferably, the locating ring is connected with rotating ring by elastic component, and the preceding axle envelope is arranged on the outer of the elastic component
Enclose.
Preferably, the front axle is enclosed on axis body and is axially distributed, and it is in integrally dentalation.
Preferably, the cooling device includes storage box and cooling pipe, and the cooling pipe is connected with the gap.
Preferably, the cooling device also include at least one cooling bath and at least one link slot, the cooling bath by
The end branch of cooling pipe forms, and each cooling bath sets through stationary ring and connection cooling pipe and link slot, the link slot
Put one end by gap in rotating ring.
Preferably, the link slot is the U-type groove of half opening, and the U-type groove opening towards stationary ring.
Preferably, the storage box is provided with case lid.
Preferably, the locating ring is fixed on the axis body by trundle, and the trundle is arranged on locating ring.
Compared with prior art, the present invention is combined by internal friction auxiliary structure and external cooling structure, can be avoided
There is no liquid, rotating ring and stationary ring due to a lack of coolant during steep temperature rise in friction pair, lowered the temperature to machine seal structure in time, keep away
Exempt from too high temperature machine sealed knot is configured to damage, extend axle envelope service life, it is ensured that the normal work of axle envelope application apparatus, fortune
OK.
Brief description of the drawings
Fig. 1 is the structural representation of gland seal device of the present invention；
Fig. 2 is the cross-sectional view of centrifugal pump of the present invention；
Fig. 3 is the structural representation of another angle of centrifugal pump of the present invention.
Reference：
1st, motor, 11, motor shaft/axis body, 12, impeller, 13, gland, 131, stop pin, 14, stationary ring, 141, cooling bath,
15th, rotating ring, 151, link slot, 16, spring, 17, locating ring, 18, gap；
2nd, the pump housing, 21, pump housing bonnet, 22, inlet, 23, liquid outlet, 24, pump housing protecgulum, 25, pump housing die cavity；
3rd, foot stool is connected；
4th, cooling device, 41, cooling pipe, 42, storage bin, 43, case lid；
6th, preceding axle envelope.
Specific embodiment
Below in conjunction with accompanying drawing of the invention, the technical scheme to the embodiment of the present invention carries out clear, complete description.
A kind of disclosed gland seal device, is set on axis body 11, connects for sealing axis body 11 and other structures
Connect the sealing at place；The present invention is combined by internal friction auxiliary structure and external cooling structure, in time to axis body and other structures
Junction structure is lowered the temperature.
Specifically, as shown in figure 1, a kind of gland seal device disclosed in the embodiment of the present invention, including stationary ring 14, rotating ring 15,
Locating ring 17, preceding axle envelope 6, gland 13 and cooling device 4, wherein, stationary ring 14 and rotating ring 15 are set on axis body 11, stationary ring 14
Fixed with axis body 11, rotating ring 15 can fit to form friction pair with the synchronous rotary of axis body 11, and the one end of rotating ring 15 with stationary ring 14.
Locating ring 17 is fixed and is set on axis body 11, and locating ring 17 is connected with rotating ring 15 by elastic component (such as spring) 16,
Locating ring 17 is provided with trundle (not shown), and trundle is securable on axis body 11, so that rotating ring 15 is synchronous with axis body 11
Rotation.
Preceding axle envelope 6 is arranged on around elastic component 16, and its one end is connected with locating ring 17, the other end and the phase of rotating ring 15
Even.In the present embodiment, preceding axle envelope 6 is axially distributed on axis body 11, and it is in integrally dentalation.
Rotating ring 15 fits under combination of the locating ring 17 with spring 16 and fluid pressure with stationary ring 14, forms naked eyes
The gap 18 observed is difficult to, when sealing medium passes through this gap 18, very thin liquid film can be formed, liquid film makes stationary ring 14 and rotating ring
15 end faces for fitting are lubricated, and the viscous force that 14 two end faces of liquid film and rotating ring 15 and stationary ring are formed prevents liquid outside
Outflow；Also, the liquid in gap 18 can also run at high speed in rotating ring 15 and form frictional heat with the continuous temperature arrising caused by friction of stationary ring 14
During, frictional heat is lowered the temperature.
Gland 13 is fixed on the periphery of stationary ring 14, for carrying out outer package to stationary ring 14.Specifically, gland 13 leads to stationary ring 14
Crossing the cooperation of concaveconvex structure is fixedly connected both, and concaveconvex structure is that boss and groove by being engaged are constituted, if boss is set
On gland 13, that stationary ring 14 can then form the groove corresponding with boss, and concaveconvex structure is caused between gland 13 and stationary ring 14
Fixation is more compact.
In order to avoid in friction pair during no liquid, it is impossible to give frictional heat cooling, the present invention increases also on existing shaft seal structure
If a cooling device 4.Cooling device 4 includes storage box 42 and cooling pipe 41, and the one end of cooling pipe 41 is connected to storage bin 42
Lower end, the other end is connected with gland 13；Case lid 43 can be provided with storage bin 42, it is to avoid block up cooling pipe 41 into impurity
Plug, the coolant in storage bin 42 by cooling pipe 41 under ambient pressure and Action of Gravity Field by being flowed downward.
In order to allow the liquid to flow into the friction vice division chief that rotating ring 15 is formed with stationary ring 14, opened up on gland 13 with stationary ring 14
One axially through cooling bath 141, the liquid outlet of cooling pipe 41 connects with the inlet of cooling bath 141, opened on stationary ring 14
It is provided with link slot 151.Link slot 151 is the U-type groove of half opening in the present embodiment, the opening of U-type groove 151 towards stationary ring 14, when
When there is no liquid in pump housing die cavity 25, in the presence of ambient pressure, coolant in storage bin 42 by cooling pipe 41 and
Cooling bath 141 reaches friction pair, is in time frictional heat cooling between rotating ring 15 and stationary ring 14, can not only preferably for friction pair draws
Stream and the sealing effectiveness of sealing mechanism will not be destroyed again.
Preferably, cooling bath 141 and U-type groove 151 can be arranged as required to one or more.
Certain cooling device of the invention 4 can also directly by cooling pipe 41 stretch into rotating ring 15 inside the pump housing 2 with it is quiet
Between ring 14, without setting cooling bath 141 and U-type groove 151.
Preferably, gland 13 and the junction of pump housing bonnet 21, between stationary ring 14 and gland 13, rotating ring 15 and the phase of motor shaft 11
Meet place and sealing ring can be set, to strengthen connection sealing.
A kind of disclosed gland seal device can be used on centrifugal pump or other conveying equipment for fluid substances, below for
As a example by centrifugal pump, specifically to introduce operation principle of the invention.
With reference to shown in Fig. 1 and Fig. 3, the centrifugal pump of horizontal axis disclosed in the embodiment of the present invention, including motor 1, the pump housing 2, base
(not shown) and connection foot stool 3, motor 1 are fixedly connected on one end of the pump housing 2 by connecting foot stool 3, naturally it is also possible to use it
His mode is fixedly connected motor and the pump housing, and base is fixed on the lower section of connection foot stool 3 as the carrier of support fixation, uses
It is stably fixed on ground in by motor 1 and the pump housing 2.
The pump housing 2 includes pump housing protecgulum 24, pump housing bonnet 21, inlet 22 and liquid outlet 23, and inlet 22 is arranged on the pump housing
On protecgulum 24, liquid outlet 23 is arranged on the pump housing 2, and during use, motor 1 drives the impeller 12 inside the pump housing 2 quickly to revolve
Turn, make to form vacuum in pump housing die cavity 25, so that the liquid of outside is rapidly flowed into pump housing die cavity 25 by inlet 22,
With the continuous rotation of impeller 12, liquid outlet 23 of the liquid under pressure from the pump housing 2 flows out, and then liquid is in pump housing type
Constantly circulation substitutes in chamber 25.
As shown in Fig. 2 motor 1 includes motor shaft 11, above-mentioned gland seal device is arranged with motor shaft 11, motor shaft 11 is passed through
Pump housing bonnet 21 enters inside pump housing die cavity 25, and impeller 12 is fixedly mounted on the front end of motor shaft 11.And gland seal device is used as close
The mechanism of envelope effect is set on motor shaft 11 and seals motor shaft 11 and the junction of pump housing bonnet 21.
The concrete structure of gland seal device can refer to foregoing description, wherein, rotating ring 15 and stationary ring 14 are set on motor shaft 11,
Gland 13 is provided with stop pin 131, and stop pin 131 is fixedly connected with pump housing bonnet 21, so as to after stationary ring 14 is fixed on into the pump housing
On lid 21.
Preferably, gland 13 and the junction of pump housing bonnet 21, between stationary ring 14 and gland 13 be equipped with sealing ring.
Locating ring 17 is provided with trundle (not shown), and trundle is securable on motor shaft 11, or is fixed on impeller
On 12, so that rotating ring 15 is with the synchronous rotary of motor shaft 11.
Cooling device 4 is fixed at connection foot stool 3, it is also possible to be fixed on the other positions of its centrifugal pump.When pump housing die cavity
When not having liquid in 25, in the presence of ambient pressure, the coolant in the storage bin 42 of cooling device 4 passes through cooling pipe 41
It is in time frictional heat cooling between rotating ring 15 and stationary ring 14 and cooling bath 141 reaches friction pair, can not only is preferably friction pair
Drainage and the sealing effectiveness of sealing mechanism will not be destroyed again.
Technology contents of the invention and technical characteristic have revealed that as above, but those of ordinary skill in the art still may base
Make a variety of replacements and modification without departing substantially from spirit of the present invention in teachings of the present invention and announcement, therefore, the scope of the present invention
Should be not limited to the content disclosed in embodiment, and should include various without departing substantially from replacement of the invention and modification, and be this patent Shen
Please claim covered.
Claims (10)
1. a kind of gland seal device, it is set on axis body, it is characterised in that the gland seal device includes stationary ring, rotating ring, preceding axle envelope
And locating ring, the stationary ring and locating ring fix and be set on axis body, and the rotating ring is set on axis body and can be with axis body synchronization
Rotation, the stationary ring and rotating ring fit to form friction pair, and are also formed with the gap circulated for liquid between the two, it is described before
Axle envelope is set on axis body and one end is connected with locating ring, and the other end is connected with rotating ring；The gland seal device also includes that cooling is filled
Put, the cooling device is communicated with the gap between stationary ring and rotating ring, and cooling device aneroid in the gap
Coolant to the gap is conveyed during body.
2. gland seal device according to claim 1, it is characterised in that the gland seal device also includes being fixed on the stationary ring
The gland of periphery.
3. gland seal device according to claim 2, it is characterised in that by concaveconvex structure between the gland and stationary ring
Cooperation is fixedly connected both.
4. gland seal device according to claim 1, it is characterised in that the locating ring is connected with rotating ring by elastic component,
The preceding axle envelope is arranged on the periphery of the elastic component.
5. the gland seal device according to claim 1 or 4, it is characterised in that the front axle is enclosed on axis body and is axially distributed, and
It is in integrally dentalation.
6. gland seal device according to claim 1, it is characterised in that the cooling device includes storage box and cooling tube
Road, the cooling pipe is connected with the gap.
7. gland seal device according to claim 6, it is characterised in that the cooling device also includes at least one cooling bath
With at least one link slot, the cooling bath forms by the end branch of cooling pipe, and each cooling bath passes through stationary ring and connection
Cooling pipe and link slot, the link slot are arranged on the one end of rotating ring by gap.
8. gland seal device according to claim 7, it is characterised in that the link slot is the U-type groove of half opening, and described
The opening of U-type groove is towards stationary ring.
9. the gland seal device according to claim 6~8 any one, it is characterised in that the storage box is provided with case lid.
10. gland seal device according to claim 1, it is characterised in that the locating ring is fixed to described by trundle
On axis body, the trundle is arranged on locating ring.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720030692 | 2017-01-10 | ||
| CN2017200306923 | 2017-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106870444A true CN106870444A (en) | 2017-06-20 |
Family
ID=59162237
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720381888.7U Active CN206816558U (en) | 2017-01-10 | 2017-04-12 | Centrifugal pump of horizontal axis |
| CN201720388469.6U Active CN206682034U (en) | 2017-01-10 | 2017-04-12 | A kind of gland seal device |
| CN201710235342.5A Pending CN106870444A (en) | 2017-01-10 | 2017-04-12 | A kind of gland seal device |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720381888.7U Active CN206816558U (en) | 2017-01-10 | 2017-04-12 | Centrifugal pump of horizontal axis |
| CN201720388469.6U Active CN206682034U (en) | 2017-01-10 | 2017-04-12 | A kind of gland seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN206816558U (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206816558U (en) * | 2017-01-10 | 2017-12-29 | 昆山隆恩特环保科技有限公司 | Centrifugal pump of horizontal axis |
| CN108087292A (en) * | 2018-01-05 | 2018-05-29 | 昆山益威科环保机械有限公司 | A kind of water pump of resistance to idle running with circulating cooling system |
| CN115430586A (en) * | 2022-08-19 | 2022-12-06 | 中交广州航道局有限公司 | Manufacturing process and application of high-pressure water pump shaft seal spring with anti-corrosion effect |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075517A (en) * | 2013-01-16 | 2013-05-01 | 苏瑞益 | Multi-end surface combined mechanical seal |
| CN105545795A (en) * | 2016-01-05 | 2016-05-04 | 安徽绿源泵阀制造有限公司 | Novel water cooling acid-resistant, alkali-resistant and high-temperature-resistant packaged type mechanical seal |
| CN206682034U (en) * | 2017-01-10 | 2017-11-28 | 昆山隆恩特环保科技有限公司 | A kind of gland seal device |
-
2017
- 2017-04-12 CN CN201720381888.7U patent/CN206816558U/en active Active
- 2017-04-12 CN CN201720388469.6U patent/CN206682034U/en active Active
- 2017-04-12 CN CN201710235342.5A patent/CN106870444A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075517A (en) * | 2013-01-16 | 2013-05-01 | 苏瑞益 | Multi-end surface combined mechanical seal |
| CN105545795A (en) * | 2016-01-05 | 2016-05-04 | 安徽绿源泵阀制造有限公司 | Novel water cooling acid-resistant, alkali-resistant and high-temperature-resistant packaged type mechanical seal |
| CN206682034U (en) * | 2017-01-10 | 2017-11-28 | 昆山隆恩特环保科技有限公司 | A kind of gland seal device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN206682034U (en) | 2017-11-28 |
| CN206816558U (en) | 2017-12-29 |
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Application publication date: 20170620 |
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