CN208090064U - A kind of packing of valve stem seal - Google Patents
A kind of packing of valve stem seal Download PDFInfo
- Publication number
- CN208090064U CN208090064U CN201820188643.7U CN201820188643U CN208090064U CN 208090064 U CN208090064 U CN 208090064U CN 201820188643 U CN201820188643 U CN 201820188643U CN 208090064 U CN208090064 U CN 208090064U
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- packing
- annular groove
- ontology
- sealing
- ring
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Abstract
The utility model discloses a kind of packings of valve stem seal, including circular packing ontology, gluing is fixed with the sealing ring of a rubber material at the inner wall position of the packing ontology, the front end of the packing ontology is provided with an annular groove, the rear end of the packing ontology is provided with the flange collar in the insertion annular groove, it is provided with first annular slot at the outer ring of the packing ontology, the second annular groove of the corresponding first annular slot is provided at the inner ring of the packing ontology, the first annular slot and second annular groove coaxial arrangement, it is provided with sealed outer ring in the first annular slot, it is provided with sealing inner ring in second annular groove；It can be preferably sealed between valve body and valve rod after the present apparatus is easy to be installed, and installation is complete.
Description
Technical field
The utility model is related to a kind of packings of valve stem seal.
Background technology
Packing is a kind of common airtight and watertight padding for being sealed between valve body and valve rod, packing master in the prior art
Sealing is realized if being spirally wound on shaft, and installation difficulty is preferable, is not easy to grasp the tightness in packing winding process.
Based on the above issues, it is desirable to provide can be preferably sealed in after one kind is easy to be installed, and installation is complete
The packing of valve stem seal between valve body and valve rod.
Utility model content
It can be with after the technical problem to be solved by the utility model is to provide one kind to be easy to be installed, and installation is complete
The packing of the preferable valve stem seal being sealed between valve body and valve rod.
The utility model is achieved through the following technical solutions：
A kind of packing of valve stem seal, including circular packing ontology, at the inner wall position of the packing ontology
Gluing is fixed with the sealing ring of a rubber material, the front end of the packing ontology is provided with an annular groove, in the packing sheet
The rear end of body is provided with the flange collar in the insertion annular groove, and first annular slot is provided at the outer ring of the packing ontology,
The second annular groove of the corresponding first annular slot, the first annular slot and institute are provided at the inner ring of the packing ontology
The coaxial arrangement of the second annular groove is stated, sealed outer ring is provided in the first annular slot, when the packing ontology is by axis
To extruding when, the packing ontology deforms upon, squeeze be located at first annular slot in sealed outer ring, at this time sealed outer ring to
After outer protrusion between valve body formed sealing, be provided with sealing inner ring in second annular groove, when the packing ontology by
To when axial extruding, axial compression deformation occurs for the packing ontology, squeezes in the sealing being located in the second annular groove at this time
Circle, sealing inner ring form sealing after outwardly protruding between valve rod.
Preferably, annular is provided with multiple embedded holes at the slot bottom position of the annular groove, embedded in the embedded hole
Enter the inner tube for having and facilitating and taking out packing ontology, there is said inner tube big end part, the big end part to be located at the packing sheet
In vivo, it is entered in inner tube using drag hook with unification drag hook when taking out, is then stuck in big end part and is formed by rank with inner tube
On tread, by realizing the dismounting of packing ontology after the outside pulling force of realization, embedded said inner tube is provided at the flange collar
Interior sealing-plug, when mounted, sealing-plug are embedded into the inside of inner tube so that have between two neighboring packing and preferably stablize
Property, it is worn after avoiding relative displacement, causes to be not tight seal.
Preferably, gluing is fixed with inner seal ring at the slot bottom position of the annular groove, the inner seal ring with it is described
Sealing is formed between flange collar.
Preferably, it is provided in the inside of the packing ontology, between the first annular slot and the second annular groove
Crumple groove can allow the deformation of packing ontology to occur mainly at crumple groove location using crumple groove.
Preferably, there are one arc-shaped outer ring faces for the sealed outer ring tool.
Preferably, there are one arc-shaped inner ring faces for the sealing inner ring tool.
The utility model has the beneficial effects that：The present apparatus after installation is complete, passes through ring between two neighboring packing ontology
Shape slot and flange collar cooperatively form close sealing, are formed after the deformation between packing ontology and valve rod by sealing inner ring reliable
Sealing by forming reliable sealing, present apparatus sealed reliable after the deformation of sealed outer ring between packing ontology and valve body, and is pacified
It fills relatively simple, it is only necessary to be pushed into one by one, the cost of the present apparatus is more cheap, is suitble to promote the use of.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is sectional view at the A-A of the utility model；
Fig. 3 is enlarged drawing at B.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
In the description of the present invention, it should be understood that term " one end ", " other end ", " outside ", "upper", " interior
The orientation or positional relationship of the instructions such as side ", "horizontal", " coaxial ", " center ", " end ", " length ", " outer end " is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or imply institute
The device or element of finger must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this reality
With novel limitation.
In addition, in the description of the present invention, the meaning of " plurality " is at least two, such as two, three etc., unless
Separately there is clearly specific restriction.
In the present invention unless specifically defined or limited otherwise, term " setting ", " connection ", " passes through at " socket "
Wear ", the terms such as " grafting " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
A kind of packing of valve stem seal as shown in Figure 1, Figure 2 and Figure 3, including circular packing ontology 1, described
Gluing is fixed with the sealing ring 2 of a rubber material at the inner wall position of packing ontology 1, is arranged in the front end of the packing ontology 1
There is an annular groove 101, the rear end of the packing ontology 1 is provided with the flange collar 102 in the insertion annular groove 101, it is described
It is provided with first annular slot 103 at the outer ring of packing ontology 1, corresponding described the is provided at the inner ring of the packing ontology 1
Second annular groove 104 of one annular groove 103, the first annular slot 103 and second annular groove 104 coaxial arrangement, in institute
It states in first annular slot 103 and is provided with sealed outer ring 3, when the packing ontology 1 is squeezed by axial direction, the packing sheet
Body 1 deforms upon, and squeezes the sealed outer ring 3 being located in first annular slot 103, and sealed outer ring 3 outwardly protrudes rear and valve body at this time
Between formed sealing, be provided in second annular groove 104 sealing inner ring 4, when the packing ontology 1 is squeezed by axial direction
When pressure, axial compression deformation occurs for the packing ontology 1, squeezes the sealing inner ring 4 being located in the second annular groove 104 at this time, close
Envelope inner ring 4 forms sealing after outwardly protruding between valve rod.
A preferred embodiment in the utility model, annular is provided with more at the slot bottom position of the annular groove 101
A embedded hole (not shown) is embedded in the embedded hole and the inner tube 5 for taking out packing ontology 1, said inner tube 5 is facilitated to have
Big end part 501, the big end part 501 are located in the packing ontology 1, when taking out with unifying drag hook, using drag hook into
Enter into inner tube, be then stuck in big end part and be formed by cascaded surface with inner tube, by realizing disk after realizing outside pulling force
The dismounting of basic body, the sealing-plug 511 being provided at the flange collar 102 in embedded said inner tube 5, when mounted, sealing-plug
It is embedded into the inside of inner tube so that there is preferable stability between two neighboring packing, worn after avoiding relative displacement,
Cause to be not tight seal.
A preferred embodiment in the utility model, gluing is fixed with interior at the slot bottom position of the annular groove 101
Sealing ring 131 forms sealing between the inner seal ring 131 and the flange collar 102.
A preferred embodiment in the utility model in the inside of the packing ontology 1, is located at the first annular slot
103 and second are provided with crumple groove 133 between annular groove 104, using crumple groove, the deformation of packing ontology can be allowed mainly to occur
At crumple groove location.
A preferred embodiment in the utility model, there are one arc-shaped outer ring faces for the tool of the sealed outer ring 3.
A preferred embodiment in the utility model, there are one arc-shaped inner ring faces for sealing inner ring 4 tool.
The utility model has the beneficial effects that：The present apparatus after installation is complete, passes through ring between two neighboring packing ontology
Shape slot and flange collar cooperatively form close sealing, are formed after the deformation between packing ontology and valve rod by sealing inner ring reliable
Sealing by forming reliable sealing, present apparatus sealed reliable after the deformation of sealed outer ring between packing ontology and valve body, and is pacified
It fills relatively simple, it is only necessary to be pushed into one by one, the cost of the present apparatus is more cheap, is suitble to promote the use of.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any change or replacement expected without creative work should be covered within the scope of the utility model.
Therefore, the scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (6)
1. a kind of packing of valve stem seal, it is characterised in that：Including circular packing ontology, in the packing ontology
Gluing is fixed with the sealing ring of a rubber material at wall position, the front end of the packing ontology is provided with an annular groove, in institute
The rear end for stating packing ontology is provided with flange collar in the insertion annular groove, and first is provided at the outer ring of the packing ontology
Annular groove is provided with the second annular groove of the corresponding first annular slot, first ring at the inner ring of the packing ontology
Shape slot and second annular groove coaxial arrangement, are provided with sealed outer ring, when the packing sheet in the first annular slot
When body is squeezed by axial direction, the packing ontology deforms upon, and squeezes the sealed outer ring being located in first annular slot, close at this time
Envelope outer ring forms sealing after outwardly protruding between valve body, sealing inner ring is provided in second annular groove, when the disk
When basic body is squeezed by axial direction, axial compression deformation occurs for the packing ontology, squeezes be located in the second annular groove at this time
Sealing inner ring, sealing inner ring outwardly protrude after valve rod between formed seal.
2. the packing of valve stem seal according to claim 1, it is characterised in that：At the slot bottom position of the annular groove
Annular is provided with multiple embedded holes, is embedded in the embedded hole and facilitates the inner tube for taking out packing ontology, said inner tube tool
There are big end part, the big end part to be located in the packing ontology, when taking out with unification drag hook, is entered using drag hook interior
It in pipe, is then stuck in big end part and is formed by cascaded surface with inner tube, by realizing packing ontology after realizing outside pulling force
Dismounting, the sealing-plug being provided at the flange collar in embedded said inner tube.
3. the packing of valve stem seal according to claim 1, it is characterised in that：At the slot bottom position of the annular groove
Gluing is fixed with inner seal ring, and sealing is formed between the inner seal ring and the flange collar.
4. the packing of valve stem seal according to claim 1, it is characterised in that：In inside, the position of the packing ontology
It is provided with crumple groove between the first annular slot and the second annular groove.
5. the packing of valve stem seal according to claim 1, it is characterised in that：There are one circular arcs for the sealed outer ring tool
The outer ring face of shape.
6. the packing of valve stem seal according to claim 1, it is characterised in that：There are one circular arcs for the sealing inner ring tool
The inner ring face of shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820188643.7U CN208090064U (en) | 2018-02-05 | 2018-02-05 | A kind of packing of valve stem seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820188643.7U CN208090064U (en) | 2018-02-05 | 2018-02-05 | A kind of packing of valve stem seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208090064U true CN208090064U (en) | 2018-11-13 |
Family
ID=64063205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820188643.7U Active CN208090064U (en) | 2018-02-05 | 2018-02-05 | A kind of packing of valve stem seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208090064U (en) |
-
2018
- 2018-02-05 CN CN201820188643.7U patent/CN208090064U/en active Active
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