CN204387475U - A kind of stuffing box device - Google Patents
A kind of stuffing box device Download PDFInfo
- Publication number
- CN204387475U CN204387475U CN201420830752.6U CN201420830752U CN204387475U CN 204387475 U CN204387475 U CN 204387475U CN 201420830752 U CN201420830752 U CN 201420830752U CN 204387475 U CN204387475 U CN 204387475U
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- CN
- China
- Prior art keywords
- box portion
- cap
- valve rod
- box
- stuffing
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Abstract
The utility model discloses a kind of stuffing box device, and described stuffing box device comprises: the first box portion; Second box portion, is symmetrical arranged with described first box portion, is arranged at the relative both sides of a valve rod respectively, and is fixed in described the two the first box portions; First cap; Second cap, be symmetrical arranged with described first cap, be arranged at the relative both sides of described valve rod respectively, and be fixed on described first cap, and one end of described first cap and the second cap is arranged in described first box portion and between the second box portion and described valve rod, with extrusion packing in described first box portion and the filler between the second box portion and described valve rod, seal described valve rod.
Description
Technical field
The utility model relates to technical field of sealing technology, particularly relates to a kind of stuffing box device.
Background technique
The valve stem seal of equipment generally adopts stuffing box device.Stuffing box device comprises stuffing box and gland, and described stuffing box comprises cavity, and valve rod is arranged in cavity, by filling filler in described cavity, is then covered on described cavity by gland, and extrudes described filler, can play the effect of sealing to valve rod.
But due to operating mode reason or device structure reason, above-mentioned stuffing box device can not carry out overall replacing after installation is complete, when in use occurring damaging, to directly have influence on the sealing of valve rod, that is, because stuffing box device can not integral replacing, cause valve stem seal difficulty.
Model utility content
The application provides a kind of stuffing box device, to solve in prior art because stuffing box device can not integral replacing, causes the technical problem of valve stem seal difficulty.
The application provides a kind of stuffing box device, and described stuffing box device comprises: the first box portion; Second box portion, is symmetrical arranged with described first box portion, is arranged at the relative both sides of a valve rod respectively, and is fixed in described first box portion; First cap; Second cap, be symmetrical arranged with described first cap, be arranged at the relative both sides of described valve rod respectively, and be fixed on described first cap, and one end of described first cap and the second cap is arranged in described first box portion and between the second box portion and described valve rod, with extrusion packing in described first box portion and the filler between the second box portion and described valve rod, seal described valve rod.
Preferably, the structure in described first box portion is identical with the structure in described second box portion, and described first cap is identical with the structure of the second cap.
Preferably, described second box portion is welded in described first box portion, and described first cap is welded on described second cap.
Preferably, the surperficial groove opening that described first box portion and described second box portion contact, or/and the surperficial groove opening that described first cap and the second cap contact.Preferably, the degree of depth of described groove is 2 millimeters, and angle is 45 degree.
The application's beneficial effect is as follows:
When damaging in use appears in above-mentioned stuffing box device, by described second cap and the first cap and the first box portion and the second box portion, again the first box portion is separated with the second box portion, by described second cap and the first cover from, again the first box portion of new stuffing box device and described second box portion are arranged at respectively the relative both sides of a valve rod, described valve rod is located between described first box portion and described second box portion, pass through in described first box portion again and fill filler between described second box portion and described valve rod, one end of described second cap and the first cap is arranged in described first box portion and between the second box portion and valve rod, to extrude described filler, can seal valve rod, solve in prior art because stuffing box device can not integral replacing, cause the technical problem of valve stem seal difficulty.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, below the accompanying drawing used required in describing embodiment is briefly described, apparently, the accompanying drawing in the following describes is only embodiments more of the present utility model.
Fig. 1 is the structural representation of the application one better embodiment stuffing box device;
Fig. 2 is the plan view of stuffing box device in Fig. 1;
Fig. 3 is that the B-B of stuffing box device in Fig. 2 is to generalized section.
Embodiment
In order to better understand technique scheme, below in conjunction with Figure of description and concrete mode of execution, technique scheme is described in detail.
Fig. 1 is the structural representation of the application one better embodiment stuffing box device; Fig. 2 is the plan view of stuffing box device in Fig. 1; Fig. 3 is that the B-B of stuffing box device in Fig. 2 is to generalized section.Please refer to Fig. 1, Fig. 2 and Fig. 3, described stuffing box device comprises the first box portion of box portion 4, second 5, first cap 6 and the second cap 7.In the present embodiment, the structure in described first box portion 4 is identical with the structure in described second box portion 5, first cap 6 is identical with the structure of the second cap 7, in other embodiments, described first box portion 4 can not be identical with the structure in described second box portion 5, and the first cap 6 can not be identical with the second cap 7.
Described second box portion 5 is symmetrical arranged with described first box portion 4, and is fixed in described second box portion 5.Described second box portion 5 can be fixed in the first box portion 4 by fixed blocks such as bolts, also can be fixed in described first box portion 4 by modes such as welding, to form a containing space, to be located in therebetween by valve rod 1.In the present embodiment, described second box portion 5 is fixed in described first box portion 4 by the mode of welding.
In addition, in order to increase the soundness of welding, described first box portion 4 and described second box portion 5 are or/and the surperficial groove opening that contacts of described first cap 6 and the second cap 7, by the groove offered, soldering tip can be deep in groove from outside and weld, thus increase soundness between described first box portion 4 and described second box portion 5.Preferably, the degree of depth of described groove is 2 millimeters, and angle is 45 degree.
Described second cap 7 is fixed on the first cap 6, and to form a containing space, to be located in therebetween by valve rod 1, and one end of described second cap 7 and the first cap 6 is arranged in described first box portion 4 and between the second box portion 5 and valve rod 1.Described second cap 7 can be fixed on the first cap 6 by modes such as welding.
In use, described first box portion 4 is arranged at the relative both sides of valve rod 1 respectively with described second box portion 5, and the second box portion 5 is fixed in the first box portion 4, described valve rod 1 is located between described first box portion 4 and described second box portion 5, again by filling filler in described first box portion 4 with between described second box portion 5 and described valve rod 1, one end of described second cap 7 and the first cap 6 is arranged in described first box portion 4 and between the second box portion 5 and valve rod 1, to extrude described filler, valve rod is sealed.
Particularly, described stuffing box device installation requirement in-site installation, during stuffing box device Assembling, first box portion 4 and the second box portion 5 are contained in respectively the both sides of valve rod 1, with jig, the first box portion 4 and the second box portion 5 are docked fixing afterwards, groove all welds afterwards, weld rear to there being the weld seam of seal request surface of contact to polish, polishing requires that weld seam is concordant with sealing surface, weld seam requires to want through welding to guarantee its sealing, stuffing box internal weld seams does not do soldering, but adopts metallicity sealer to fill groove, requires concordant with periphery.
When damaging in use appears in above-mentioned stuffing box device, by described second cap 7 and the first cap 6 and the first box portion 4 and the second box portion 5, again the first box portion 4 is separated with the second box portion 5, described second cap 7 is separated with the first cap 6, again the first box portion 4 of new stuffing box device and described second box portion 5 are arranged at respectively the relative both sides of a valve rod 1, described valve rod 1 is located between described first box portion 4 and described second box portion 5, again by filling filler 3 in described first box portion 4 with between described second box portion 5 and described valve rod 1, one end of described second cap 7 and the first cap 6 is arranged in described first box portion 4 and between the second box portion 5 and valve rod 1, to extrude described filler, can seal valve rod, solve in prior art because stuffing box device can not integral replacing, cause the technical problem of valve stem seal difficulty.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (5)
1. a stuffing box device, is characterized in that, described stuffing box device comprises:
First box portion;
Second box portion, is symmetrical arranged with described first box portion, is arranged at the relative both sides of a valve rod respectively, and is fixed in described first box portion;
First cap;
Second cap, be symmetrical arranged with described first cap, be arranged at the relative both sides of described valve rod respectively, and be fixed on described first cap, and one end of described first cap and the second cap is arranged in described first box portion and between the second box portion and described valve rod, with extrusion packing in described first box portion and the filler between the second box portion and described valve rod, seal described valve rod.
2. stuffing box device as claimed in claim 1, it is characterized in that, the structure in described first box portion is identical with the structure in described second box portion, and described first cap is identical with the structure of the second cap.
3. stuffing box device as claimed in claim 1, it is characterized in that, described second box portion is welded in described first box portion, and described first cap is welded on described second cap.
4. stuffing box device as claimed in claim 1, is characterized in that, the surperficial groove opening that described first box portion and described second box portion contact, or/and the surperficial groove opening that described first cap and the second cap contact.
5. stuffing box device as claimed in claim 1, it is characterized in that, the degree of depth of described groove is 2 millimeters, and angle is 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420830752.6U CN204387475U (en) | 2014-12-23 | 2014-12-23 | A kind of stuffing box device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420830752.6U CN204387475U (en) | 2014-12-23 | 2014-12-23 | A kind of stuffing box device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204387475U true CN204387475U (en) | 2015-06-10 |
Family
ID=53360195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420830752.6U Active CN204387475U (en) | 2014-12-23 | 2014-12-23 | A kind of stuffing box device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204387475U (en) |
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2014
- 2014-12-23 CN CN201420830752.6U patent/CN204387475U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |