CN205578732U - Graphite sealing device with adjustable - Google Patents
Graphite sealing device with adjustable Download PDFInfo
- Publication number
- CN205578732U CN205578732U CN201620228576.8U CN201620228576U CN205578732U CN 205578732 U CN205578732 U CN 205578732U CN 201620228576 U CN201620228576 U CN 201620228576U CN 205578732 U CN205578732 U CN 205578732U
- Authority
- CN
- China
- Prior art keywords
- graphite annulus
- graphite
- fluting
- transparent cover
- annulus
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to the technical field of machinery, especially, relate to a graphite sealing device with adjustable, including axle, safety cover, adjusting plate, connection block, pass through lid, holding ring, thrust piece, fluting graphite annulus and first graphite annulus, make connection block drive through the adjusting plate and pass through the lid and remove along the horizontal direction, the thrust piece produces the thrust that promotes fluting graphite annulus and first graphite annulus down in the effect of passing through the lid, the removal of the first graphite annulus of thrust piece promotion will be slotted the graphite annulus and compressed tightly, the graphite annulus of slotting struts to the circumferencial direction under the effect that receives the extrusion force and seals. Reach the purpose in sealed bearing seat hole through adjustment fluting graphite annulus and clearance between the dead eye seat, fluting graphite annulus and the effectual periphery to the bearing saddle bore of first graphite annulus have gone on effectual sealedly, and the second graphite annulus is effectual to be sealed up bearing frame and terminal surface between covering thoroughly, and whole device reaches the best to the sealed effect of bearing saddle bore.
Description
Technical field
This utility model relates to field of mechanical technique, particularly relates to a kind of adjustable graphite sealing device.
Background technology
In existing sealing, there is also leakage gap between bearing saddle bore and bearing, these gaps are fixing and can not adjust
, need certain technological means to seal these leakage faces, reached the effect still knot sealed on the market by some packing rings
Structure is unstable, and sealing effectiveness is less desirable simultaneously.
Utility model content
In order to overcome the defect of prior art, this utility model provides a kind of Stability Analysis of Structures, and the good adjustable graphite of sealing effectiveness is close
Seal apparatus.
The technical scheme realizing this utility model purpose is: adjustable graphite sealing device, including axle, protective cover, adjustment plate,
Coupling block, transparent cover, adjustment ring, thrust block pad, fluting graphite annulus and the first graphite annulus, adjustment plate is by turret head articulation hole spiral shell
Bolt is connected with the left side of coupling block, and transparent cover is connected with the right side of coupling block by hexagon socket cap head screw, the one of protective cover
End is arranged on the periphery of axle, and the other end of protective cover is connected in transparent cover, and thrust block pad is by hexagon socket cap head screw with transparent cover even
Connecing, thrust block pad, fluting graphite annulus, the first graphite annulus are arranged on the inside of adjustment ring, make coupling block drive transparent cover by adjustment plate
Moving in the horizontal direction, thrust block pad produces promotion fluting graphite annulus and the thrust of the first graphite annulus, thrust block pad under the effect of transparent cover
Promoting the first graphite annulus to move to be compressed by fluting graphite annulus, fluting graphite annulus struts to circumferencial direction under the effect of the power of being squeezed
Seal.
As prioritization scheme of the present utility model, adjustable graphite sealing device also includes that the second graphite annulus, the second graphite annulus are positioned at
Between transparent cover and bearing block.
As prioritization scheme of the present utility model, transparent cover is arranged on bearing block by the first bolt, and the first bolt has been provided with
First elastic washer of sealing function.
As prioritization scheme of the present utility model, protective cover is arranged in transparent cover by the second bolt, and the second bolt has been provided with
Second elastic washer of sealing function.
This utility model has positive effect: this utility model is come by the gap adjusting between fluting graphite annulus and bearing socket
Reaching the purpose in sealed bearing hole, the periphery of bearing saddle bore has effectively been carried out effectively by fluting graphite annulus and the first graphite annulus
Sealing, the end face between bearing block and transparent cover is effectively sealed by the second graphite annulus, the first elastic washer and the second bullet
Property packing ring has carried out effective sealing to bolt junction, and whole device reaches optimal to the sealing effectiveness of bearing saddle bore.
Accompanying drawing explanation
In order to make content of the present utility model be easier to be clearly understood, below according to specific embodiment and combine accompanying drawing, to this
Utility model is described in further detail:
Fig. 1 is structure chart of the present utility model;
Fig. 2 is partial enlarged drawing of the present utility model.
Wherein: 1, axle, 2, protective cover, 3, adjustment plate, 4, coupling block, 5, transparent cover, 6, adjustment ring, 7, thrust block pad,
8, fluting graphite annulus, the 9, first graphite annulus, 10, turret head articulation hole bolt, 11, hexagon socket cap head screw, 12,
Second graphite annulus, 13, bearing block, the 14, first bolt, the 15, first elastic washer, the 16, second bolt, the 17, second bullet
Property packing ring, 18, interior hexagon concave-end locking screw, A, primary sealing area, B, secondary sealing area, C, the 3rd sealing surface, D,
4th sealing surface.
Detailed description of the invention
As illustrated in fig. 1 and 2, the utility model discloses adjustable graphite sealing device, including axle 1, protective cover 2, adjustment plate
3, coupling block 4, transparent cover 5, adjustment ring 6, thrust block pad 7, fluting graphite annulus 8 and the first graphite annulus 9, adjustment plate 3 is by six
Angle head articulation hole bolt 10 is connected with the left side of coupling block 4, and transparent cover 5 is by hexagon socket cap head screw 11 and coupling block
The right side of 4 is connected, and one end of protective cover 2 is arranged on the periphery of axle 1, and the other end of protective cover 2 is connected in transparent cover 5,
Thrust block pad 7 is connected with transparent cover 5 by hexagon socket cap head screw 11, thrust block pad 7, fluting graphite annulus the 8, first graphite annulus 9
Being arranged on the inside of adjustment ring 6, make coupling block 4 drive transparent cover 5 to move in the horizontal direction by adjustment plate 3, thrust block pad 7 exists
The lower generation of the effect of transparent cover 5 promotes fluting graphite annulus 8 and the thrust of the first graphite annulus 9, and thrust block pad 7 promotes the first graphite annulus 9
Moving and compressed by fluting graphite annulus 8, fluting graphite annulus 8 struts to circumferencial direction under the effect of the power of being squeezed and seals.
Wherein, adjustment plate 3 selects cast steel material casting to form, and adjustment plate 3 is provided with reinforcement, and adjustment plate 3 peripheral disposition has hands
Handle, can manual rotation handle or by other instrument rotary handle such as sleeve.Turret head is used between adjustment plate 3 and coupling block 4
Articulation hole bolt 10 connects, and the bar portion of hexagon socket cap head screw 11 is threaded into transparent cover 5, hexagon socket cap head screw 11
Head penetrate in coupling block 4 looping pit.Interior hexagon concave-end locking screw 18 is screwed in coupling block 4, interior hexagonal female end clamp screw
The head of nail 18 compresses the head of hexagon socket cap head screw 11.For preventing interior hexagon concave-end locking screw 18 loose or dislocation, will
The spot welding of interior hexagon concave-end locking screw 18.Protective cover 2 is split-type structural, protective cover 2 has window so that adjustment plate 3
On handle pass through.It is connected with the second bolt 16 between protective cover 2 with transparent cover 5.Protective cover 2 is set to the convenient peace of split-type structural
Assembly and disassembly.
Adjustment ring 6 can select cast steel material casting to form, and one end of adjustment ring 6 is provided with the uniform circle of installed thrust block 7 seam
Cylindricality stepped hole.In the middle of adjustment ring 6 two ends, casting twice couple muscle, and it is two big empty windows that two ends couple between muscle.Thrust block pad 7,
It is internal that first graphite annulus 9, fluting graphite annulus 8 all put into adjustment ring 6 from big empty window.Adjustment ring 6 both can play and axially position work
With, it is possible to play built-in thrust block pad the 7, first graphite annulus 9, the effect of fluting graphite annulus 8.
Thrust block pad 7 can cast and form, and also can be selected for steel material and directly processes.Between thrust block pad 7 and adjustment ring 6 endoporus use
Gap coordinates.Two sections of cylindrical outer surface copper facing that thrust block pad 7 matches with adjustment ring 6, adjustment ring 6 endoporus that matches the most correspondingly plates
Copper matches with the endoporus increasing the cylindrical outer surface of thrust block pad 7 and adjustment ring 6 wearability in face.
Adjustable graphite sealing device also includes the second graphite annulus 12, the second graphite annulus 12 between transparent cover 5 and bearing block 13,
Second graphite annulus 12 uses interference fits, after the second graphite annulus 12 loads the groove of bearing block 13 with the groove of bearing block 13
Transparent cover 5 is installed again.Also be provided with in transparent cover 5 installing the groove of the second graphite annulus 12, the second graphite annulus 12 and transparent cover 5 groove it
Between use matched in clearance to facilitate transparent cover 5 installing/dismounting.The inside and outside circle cylinder coordinated between second graphite annulus 12 and bearing block 13
For primary sealing area A and secondary sealing area B.Second graphite annulus 12 is provided with screwed hole, can be relatively easily by by screwed hole
Two graphite annulus 12 disassemble from bearing block 13.The contact surface that first graphite annulus 9 and thrust block pad 7 mutually extrude is the 3rd close
Front cover C.Fluting graphite annulus 8 two ends have uniform breach, are provided with one crack between both ends of the surface symmetric windows.When fluting stone
The end face of ink ring 8 is after being extruded by external force, and the gap in crack can increase, thus part struts the outside cylinder of fluting graphite annulus 8
Face, implements the 4th sealing surface D effectively to seal.
Transparent cover 5 is arranged on bearing block 13 by the first bolt 14, and the first bolt 14 is provided with the first bullet sealed
Property packing ring 15.Protective cover 2 is arranged in transparent cover 5 by the second bolt 16, the second bolt 16 is provided with and seals
Second elastic washer 17.
During installation, after being loaded in adjustment ring 6 by the big window of the fluting adjusted ring of graphite annulus 86, the twice of adjustment ring 6 couple
Fluting graphite annulus 8 is waled by muscle.Several fluting graphite annulus 8 are immediately adjacent to each other installation composition fluting graphite annulus group.Fluting graphite annulus
Organize and left and right be respectively provided with first graphite annulus 9.When adjustment plate 3 rotatable handle under external force, thrust block pad 7 is interior six
Under the horizontal thrust effect of angle fillister head screw 11, the endoporus along adjustment ring 6 slides, and thrust block pad 7 promotes left end the first graphite annulus 9
Move right and fluting graphite annulus group is compressed.Fluting graphite annulus 8 by external force extrude after, splitting between both ends of the surface symmetric windows
The gap of seam can increase, thus part struts fluting graphite annulus 8 external cylindrical surface, implements the 4th sealing surface D effectively to seal.Instead
It, when adjustment plate 3 handle reversely rotates, the degree that the external cylindrical surface of fluting graphite annulus 8 is softened can reduce, and now slots
Gap between graphite annulus 8 and inner hole of bearing seat can increase.Second graphite annulus 12 is loaded in bearing block 13, interior hexagonal cylindrical
Transparent cover 5 is fastened on bearing block 13 after transparent cover 5 by head screw 11 again.
Adjustment plate 3 and coupling block 4 are by turret head articulation hole bolt 10, hex nut 18, hexagon thin nut 19 fastening connection
Connect, without relative motion between adjustment plate 3 and coupling block 4, after installing etc. adjustment plate 3, protective cover 2 is fastened on bolt
On lid 5, sealing effectiveness can be debugged by adjusting the gap between fluting graphite annulus 8 and bearing saddle bore, make sealing effectiveness reach
To optimal.
Particular embodiments described above, has been carried out the purpose of this utility model, technical scheme and beneficial effect the most in detail
Illustrate, be it should be understood that and the foregoing is only specific embodiment of the utility model, be not limited to this practicality new
Type, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, should be included in
Within protection domain of the present utility model.
Claims (4)
1. adjustable graphite sealing device, it is characterised in that: include axle (1), protective cover (2), adjustment plate (3), coupling block
(4), transparent cover (5), adjustment ring (6), thrust block pad (7), fluting graphite annulus (8) and the first graphite annulus (9), described tune
Whole dish (3) is connected by the left side of turret head articulation hole bolt (10) with coupling block (4), and described transparent cover (5) is led to
Crossing hexagon socket cap head screw (11) to be connected with the right side of coupling block (4), one end of protective cover (2) is arranged on axle (1)
Periphery, the other end of protective cover (2) is connected in transparent cover (5), described thrust block pad (7) pass through interior hexagonal cylindrical head spiral shell
Nail (11) is connected with transparent cover (5), and described thrust block pad (7), graphite annulus (8) of slotting, the first graphite annulus (9) are arranged on
The inside of adjustment ring (6), makes coupling block (4) drive transparent cover (5) to move in the horizontal direction by adjustment plate (3), described
Thrust block pad (7) under the effect of transparent cover (5), produce promotion fluting graphite annulus (8) and the thrust of the first graphite annulus (9),
Thrust block pad (7) promotes the mobile graphite annulus (8) of slotting of the first graphite annulus (9) to compress, and fluting graphite annulus (8) is by squeezing
Strut to circumferencial direction under the effect of pressure and seal.
Adjustable graphite sealing device the most according to claim 1, it is characterised in that: described adjustable graphite seals dress
Putting and also include the second graphite annulus (12), described the second graphite annulus (12) is positioned between transparent cover (5) and bearing block (13).
Adjustable graphite sealing device the most according to claim 2, it is characterised in that: described transparent cover (5) is by the
One bolt (14) is arranged on bearing block (13), and described the first bolt (14) is provided with the first bullet sealed
Property packing ring (15).
Adjustable graphite sealing device the most according to claim 1, it is characterised in that: described protective cover (2) passes through
Second bolt (16) is arranged in transparent cover (5), described the second bolt (16) is provided with second sealed elastic
Packing ring (17).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620228576.8U CN205578732U (en) | 2016-03-23 | 2016-03-23 | Graphite sealing device with adjustable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620228576.8U CN205578732U (en) | 2016-03-23 | 2016-03-23 | Graphite sealing device with adjustable |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205578732U true CN205578732U (en) | 2016-09-14 |
Family
ID=56865847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620228576.8U Withdrawn - After Issue CN205578732U (en) | 2016-03-23 | 2016-03-23 | Graphite sealing device with adjustable |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205578732U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105715799A (en) * | 2016-03-23 | 2016-06-29 | 南京高精齿轮集团有限公司 | Adjustable graphite sealing device |
-
2016
- 2016-03-23 CN CN201620228576.8U patent/CN205578732U/en not_active Withdrawn - After Issue
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105715799A (en) * | 2016-03-23 | 2016-06-29 | 南京高精齿轮集团有限公司 | Adjustable graphite sealing device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20160914 Effective date of abandoning: 20180123 |
|
AV01 | Patent right actively abandoned |