CN206626182U - A kind of packing box seal structure - Google Patents
A kind of packing box seal structure Download PDFInfo
- Publication number
- CN206626182U CN206626182U CN201720354739.1U CN201720354739U CN206626182U CN 206626182 U CN206626182 U CN 206626182U CN 201720354739 U CN201720354739 U CN 201720354739U CN 206626182 U CN206626182 U CN 206626182U
- Authority
- CN
- China
- Prior art keywords
- box
- seal
- packing
- gland
- airtight
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of packing box seal structure, including：Stuffing box, it is welded in plant equipment, and the stuffing box has an accommodating cavity, and the bottom of the accommodating cavity opens up a through hole, to cause the rotary shaft of plant equipment through the through hole and cross the accommodating cavity；Seal box, it is contained in the accommodating cavity, and is detachably fixed and is connected with stuffing box, and the top of the seal box digs one to bottom and is used to fill out the packing cavity for setting airtight and watertight padding, and the bottom of the packing cavity opens up a rotary shaft and passes through hole；Gland, its gland support the airtight and watertight padding on the top of the seal box, and the gland is detachably fixed with the seal box and is connected, and the hole passed through with a permission rotary shaft.Packing box seal structure provided by the utility model improves the sealing effectiveness to the rotary shaft of plant equipment, reduces the dosage of airtight and watertight padding, improves sealing life, reduces the replacement cost of airtight and watertight padding, and simple in construction, is easily installed and dismantles.
Description
Technical field
Sealing structure technical field is the utility model is related to, more specifically, a kind of reduce is the utility model is related to and seals
Amount of filler, reduce cost, improve sealing property and the packing box seal structure in life-span.
Background technology
Stuffing box type sealing structure is extremely extensive in the spindle portion application of valve, cigarette windshield plate and partial turn equipment,
It possesses simple in construction, the multiple advantages such as repair and maintenance cost is low.But equally there is also obvious shortcoming, such as airtight and watertight padding
Install it is unreasonable easily cause leakage, airtight and watertight padding its shelf-life is short, airtight and watertight padding maintenance change it is extremely inconvenient the problems such as.
Utility model content
A purpose of the present utility model is that solve at least the above, and provides the advantages of at least will be described later.
The utility model also has a purpose to there is provided a kind of packing box seal structure, is housed using steel seal box close
The labyrinth seal mode that packing material and several annular grooves being arranged on seal box are formed replaces simple airtight and watertight padding to seal
Mode, the loss of airtight and watertight padding is reduced while lifting anti-high pressure ability, so that on the premise of sealing property is ensured effectively
Control manufacture and maintenance, the maintenance cost of plant equipment.
To achieve these goals, the utility model provides a kind of packing box seal structure, including：
Stuffing box, it is welded in plant equipment, and the stuffing box has an accommodating cavity, and the bottom of the accommodating cavity is opened
If a through hole, to cause the rotary shaft of plant equipment through the through hole and cross the accommodating cavity；
Seal box, it is contained in the accommodating cavity, and is detachably fixed and is connected with the stuffing box, the seal box
Top digs one to bottom and is used to fill out the packing cavity for setting airtight and watertight padding, and the bottom of the packing cavity opens up a rotary shaft and passed through
Hole；
Gland, its gland support the airtight and watertight padding on the top of the seal box, the gland and the seal box
It is detachably fixed connection, and the hole passed through with a permission rotary shaft.
When being installed to packing box seal structure described in the utility model, the rotary shaft of plant equipment is worn
After crossing the through hole on stuffing box and passing across the accommodating cavity of the stuffing box, then stuffing box is welded in plant equipment；Machinery
After the rotary shaft of equipment passes through the rotary shaft on seal box by hole, seal box is contained in the accommodating cavity of stuffing box, and with
Stuffing box is detachably fixed connection；Then appropriate sealing is filled in the space that the packing cavity and rotary shaft of seal box are formed to fill out
Material；After passing through the hole on gland finally by the rotary shaft of plant equipment, gland lid is pressed in the top of seal box, and support
Airtight and watertight padding, gland and seal box are detachably fixed and linked together.Because the utility model is additionally arranged seal box, Neng Gou great
The usage amount of big reduction airtight and watertight padding, lift-off seal performance, reduces sealing cost, while fill out to described in the utility model
When material letter sealing structure is overhauled, gland is opened, seal box and the airtight and watertight padding being contained in seal box can be taken out in the lump,
Effectively prevent because airtight and watertight padding remove it is unclean caused by repair rear leakage problem, while sealing property after raising is repaiied,
Greatly reduce the cost of labor of replacement.
Preferably, wherein, the seal box presses close to the madial wall of the rotary shaft and corresponding with the madial wall
Several annular grooves are offered on lateral wall.The utility model employs labyrinth sealing principle, the reduction of multilayer space consuming
Leakage pressure difference inside and outside plant equipment, it is finally reached the purpose of sealing.
Preferably, wherein, the top periphery of the seal box and the top periphery of the stuffing box extend outward
Extension, the extension of the extension of the seal box and the stuffing box offer multiple first screws, and by more
Individual bolt causes the seal box and the stuffing box to be removably secured connection through the multiple first screw.Using bolt
Screw-fashion directly disposably can take out seal box and airtight and watertight padding jointly, and the airtight and watertight padding eliminated in conventional maintenance is excavated
Step, shorten the repair time, improve overhaul efficiency.
Preferably, wherein, the gland include the embedded packing cavity and support the airtight and watertight padding lid splenium and
The extension of the fixed part being arranged at the top of the lid splenium, the fixed part and the seal box offers at least two pairs
Claim the second screw set, and sequentially pass through at least two second screw by least two screw rods and support described
On the extension of stuffing box so that the gland and the seal box are detachably fixed connection.
Preferably, wherein, several described annular grooves include four.
Preferably, wherein, the seal box is steel sealing box.
Preferably, wherein, sealing gasket is provided between the extension of the extension of the seal box and the stuffing box.
Preferably, wherein, the multiple first screw includes four.
The utility model comprises at least following beneficial effect：
1st, packing box seal structure described in the utility model greatly reduces the usage amount of airtight and watertight padding, reduces sealing
The replacement cost and repair and maintenance cost of filler.
2nd, packing box seal structure described in the utility model is dismountable mode, is easily installed and dismantles, can be once
Property airtight and watertight padding is taken out, shorten the repair time, improve overhaul efficiency, effectively prevent airtight and watertight padding remove it is unclean
That brings repaiies rear leakage problem.
3rd, packing box seal structure described in the utility model uses labyrinth sealing principle, multilayer space consuming reduction machine
Leakage pressure difference inside and outside tool equipment, is finally reached the purpose of sealing, greatly improves sealing effectiveness.
4th, packing box seal structure described in the utility model is applied widely, suitable for all routinely packing seal letters
Applicable position；It can be applied to the super-pressure position that routinely packing seal letter can not be applied.
Further advantage, target and feature of the present utility model embody part by following explanation, and part will also pass through
Research of the present utility model and practice are understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structural representation of the packing box seal structure described in the one of embodiment of the utility model；
Fig. 2 is the top view of the packing box seal structure described in the one of embodiment of the utility model.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is described in further detail to the utility model, to make people in the art
Member can implement according to this with reference to specification word.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein are not precluded from one or more
The presence or addition of individual other elements or its combination.
As depicted in figs. 1 and 2, a kind of packing box seal structure is provided in the one of embodiment of the utility model, is wrapped
Include：
Stuffing box 1, it is welded in plant equipment, and the stuffing box has an accommodating cavity, and the bottom of the accommodating cavity
A through hole is opened up, to cause the rotary shaft 6 of plant equipment through the through hole and cross the accommodating cavity；
Seal box 2, it is contained in the accommodating cavity, and is detachably fixed and is connected with the stuffing box 1, the seal box
2 top digs one to bottom and is used to fill out the packing cavity for setting airtight and watertight padding 3, and the bottom of the packing cavity opens up a rotary shaft and led to
Via；For example, the seal box 2 is steel sealing box；
Gland 5, its gland support the airtight and watertight padding 3 on the top of the seal box 2, the gland 5 with it is described close
Jacket 2 is detachably fixed connection, and the hole passed through with a permission rotary shaft.
When being installed to packing box seal structure described in the utility model, by the rotary shaft 6 of plant equipment
Through the through hole on stuffing box 1 and after passing across the accommodating cavity of the stuffing box 1, then stuffing box 1 is welded in plant equipment；
After the rotary shaft 6 of plant equipment passes through the rotary shaft on seal box 2 by hole, seal box 2 is contained in the accommodating cavity of stuffing box 1
It is interior, and be detachably fixed and be connected with stuffing box 1；Then filling is suitable in the space that the packing cavity and rotary shaft 6 of seal box 2 are formed
When airtight and watertight padding 3；After passing through the hole on gland 5 finally by the rotary shaft 6 of plant equipment, the lid of gland 5 is pressed in seal box 2
Top, and support airtight and watertight padding 3, gland 5 and seal box 2 be detachably fixed and linked together.As shown in Fig. 2 through hole,
Rotary shaft is coincided together by the hole on hole and gland 5.Because the utility model is additionally arranged seal box 2, can reduce significantly
The usage amount of airtight and watertight padding 3, sealing cost is reduced, while examined to packing box seal structure described in the utility model
When repairing, gland 5 is opened, seal box 2 and the airtight and watertight padding being contained in seal box 23 can be taken out in the lump, effectively prevent because close
Packing material 3 remove it is unclean caused by repair rear leakage problem, while sealing life is improved, greatly reduce airtight and watertight padding
3 replacement cost.
As shown in figure 1, the seal box 2 presses close to the madial wall of the rotary shaft 6 and corresponding with the madial wall outer
Several annular grooves 10 are offered in side wall.The utility model employs labyrinth sealing principle, the reduction of multilayer space consuming
Leakage pressure difference inside and outside plant equipment, it is finally reached the purpose of sealing.
As depicted in figs. 1 and 2, the top periphery of the seal box 2 and the top periphery of the stuffing box 1 stretch out
Go out extension, the extension of the extension of the seal box 2 and the stuffing box 1 offers four the first screws, and leads to
Four bolts 4 are crossed through four the first screws so that the seal box 2 and the stuffing box 1 are removably secured connection.Using
Bolt screw-fashion directly disposably can take out seal box 2 and airtight and watertight padding 3 jointly, and the sealing eliminated in conventional maintenance is filled out
Material excavates step, shortens the repair time, improves overhaul efficiency.
The gland 5 includes the embedded packing cavity and supports the lid splenium of the airtight and watertight padding 3 and be arranged on the lid
The extension of fixed part at the top of splenium, the fixed part and the seal box 2 offers four the second screws 9, and leads to
Two screw rods 7 are crossed to sequentially pass through symmetrically arranged second screw 9 of two of which and support on the extension of the stuffing box 1,
So that the gland 5 and the seal box 2 are detachably fixed connection.Four the second screws 9 are symmetrical on fixed part, function
It is identical.
On the basis of ensureing sealing effectiveness and reducing sealing cost, several described annular grooves 10 include four.
Sealing gasket 8 is provided between the extension of the seal box 2 and the extension of the stuffing box 1, is further improved
The stability of packing box seal structure described in the utility model.
For the ease of the dismounting of packing box seal structure described in the utility model, top wire hole is further opened with gland 5,
(not shown).
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (8)
- A kind of 1. packing box seal structure, it is characterised in that including：Stuffing box, it is welded in plant equipment, and the stuffing box has an accommodating cavity, and the bottom of the accommodating cavity opens up one Through hole, to cause the rotary shaft of plant equipment through the through hole and cross the accommodating cavity；Seal box, it is contained in the accommodating cavity, and is detachably fixed and is connected with the stuffing box, the top of the seal box One is dug to bottom to be used to fill out the packing cavity for setting airtight and watertight padding, and the bottom of the packing cavity opens up a rotary shaft and passes through hole；Gland, its gland support the airtight and watertight padding on the top of the seal box, and the gland and the seal box are removable Unload and be fixedly connected, and the hole passed through with a permission rotary shaft.
- 2. a kind of packing box seal structure according to claim 1, it is characterised in that the seal box presses close to the rotation Several annular grooves are offered on the madial wall of axle and the lateral wall corresponding with the madial wall.
- A kind of 3. packing box seal structure according to claim 1, it is characterised in that the top periphery of the seal box and The top periphery of the stuffing box extends outward extension, the extension of the extension of the seal box and the stuffing box Offer multiple first screws, and by multiple bolts through the multiple first screw seal box and described Stuffing box is removably secured connection.
- 4. a kind of packing box seal structure according to claim 3, it is characterised in that the gland includes filling out described in insertion Material chamber simultaneously supports the lid splenium of the airtight and watertight padding and the fixed part that is arranged at the top of the lid splenium, the fixed part and described The extension of seal box offers at least two symmetrically arranged second screws, and is sequentially passed through by least two screw rods At least two second screw is simultaneously supported on the extension of the stuffing box so that the gland and the seal box are removable Unload and be fixedly connected.
- 5. a kind of packing box seal structure according to claim 2, it is characterised in that several described annular grooves include four It is individual.
- 6. a kind of packing box seal structure according to claim 1, it is characterised in that the seal box is steel sealing Box.
- 7. a kind of packing box seal structure according to claim 3, it is characterised in that the extension of the seal box and institute State and be provided with sealing gasket between the extension of stuffing box.
- 8. a kind of packing box seal structure according to claim 3, it is characterised in that the multiple first screw includes four It is individual.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720354739.1U CN206626182U (en) | 2017-04-06 | 2017-04-06 | A kind of packing box seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720354739.1U CN206626182U (en) | 2017-04-06 | 2017-04-06 | A kind of packing box seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206626182U true CN206626182U (en) | 2017-11-10 |
Family
ID=60206753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720354739.1U Expired - Fee Related CN206626182U (en) | 2017-04-06 | 2017-04-06 | A kind of packing box seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206626182U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944944A (en) * | 2019-04-04 | 2019-06-28 | 华能国际电力股份有限公司营口电厂 | A kind of box-like packing seal structure of novel coal mill dynamic group |
-
2017
- 2017-04-06 CN CN201720354739.1U patent/CN206626182U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944944A (en) * | 2019-04-04 | 2019-06-28 | 华能国际电力股份有限公司营口电厂 | A kind of box-like packing seal structure of novel coal mill dynamic group |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171110 Termination date: 20180406 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |