CN214119138U - Automatic adjust v-arrangement combined packing seal structure - Google Patents
Automatic adjust v-arrangement combined packing seal structure Download PDFInfo
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- CN214119138U CN214119138U CN202022886014.1U CN202022886014U CN214119138U CN 214119138 U CN214119138 U CN 214119138U CN 202022886014 U CN202022886014 U CN 202022886014U CN 214119138 U CN214119138 U CN 214119138U
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Abstract
The utility model discloses an automatic adjusting v-shaped combined packing sealing structure, belonging to the technical field of sealing packing, comprising a fixed block, the top end of the fixed block is rotatably connected with a first connecting rod, the bottom end of the fixed block is fixedly connected with an upper connecting cavity, the bottom end of the upper connecting cavity is provided with a lower connecting cavity, the outer side wall of the upper connecting cavity is fixedly connected with a first connecting plate, the outer side wall of the lower connecting cavity is provided with a second connecting plate, the side wall of the lower connecting cavity and the inner side of the second connecting plate are provided with a combined packing sealing layer, the upper part of the side wall of the combined packing sealing layer is provided with a first sealing packing, the bottom end of the first sealing packing is provided with a second sealing packing, the bottom end of the second sealing filler is provided with a third sealing filler, the side wall of the first sealing filler is provided with a V-shaped lug, and the bottom end of the V-shaped lug is provided with a groove. The utility model discloses, it is sealed effectual, and can prevent to be damaged when the excessive pressure.
Description
Technical Field
The utility model relates to a seal packing technical field specifically is an automatic adjust v-arrangement combined packing seal structure.
Background
A valve is a device for controlling the direction, pressure, and flow rate of a fluid in a fluid system, and is a device capable of controlling the flow rate of a medium (liquid, gas, or powder) in a pipe or equipment by flowing or stopping the medium.
The valve is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, and has the functions of diversion, cut-off, throttling, check, flow splitting, overflow pressure relief and the like. Valves used for fluid control range from the simplest shut-off valves to the various valves used in extremely complex autonomous systems, ranging in variety and specification from the very tiny instrument valves up to industrial pipeline valves with nominal diameters of up to 10 m. The valve can be used for controlling various types of fluid such as water, steam, oil products, gas, slurry, various corrosive media, liquid metal, radioactive fluid and the like to flow, the working pressure of the valve can be ultrahigh pressure from 0.0013MPa to 1000MPa, and the working temperature can be ultralow temperature from c-270 ℃ to high temperature from 1430 ℃.
In the field of valves, the common filler types of rising stem gate valves include graphite filler, lip filler with a self-sealing structure, V-shaped filler and the like, wherein the V-shaped filler has the advantages of good self-lubricating property, wear resistance, small friction coefficient and the like, so that the rising stem gate valve is widely applied.
Various sealing gaskets on the market are various, but most of the sealing gaskets have the defects that the sealing effect is reduced or the sealing effect cannot be realized after the sealing gaskets are used for a long time, the service life is short, the replacement of the sealing gaskets is difficult for valves which are difficult to assemble and disassemble, and a plurality of buffer structures are arranged on some sealing gaskets for pursuing the sealing performance, although the sealing performance can be effectively improved, compared with the increased production cost, the cost performance is not high, and when the sealing gaskets are under the high-pressure condition, the situation that the sealing gaskets exceed the bearing range and are damaged easily occurs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic adjust v-arrangement composite packing seal structure to solve the problem that proposes among the above-mentioned background art.
In order to solve the technical problem, the utility model provides a following technical scheme: an automatic-adjusting v-shaped combined packing sealing structure comprises a fixing block, wherein the top end of the fixing block is rotatably connected with a first connecting rod, the bottom end of the fixing block is fixedly connected with an upper connecting cavity, the bottom end of the upper connecting cavity is provided with a lower connecting cavity, the outer side wall of the upper connecting cavity is fixedly connected with a first connecting plate, and the outer side wall of the lower connecting cavity is provided with a second connecting plate;
the side wall of the lower connecting cavity is provided with a combined packing sealing layer on the inner side of the second connecting plate, a first sealing packing is arranged on the upper portion of the side wall of the combined packing sealing layer, a second sealing packing is arranged at the bottom end of the first sealing packing, a third sealing packing is arranged at the bottom end of the second sealing packing, a V-shaped convex block is arranged on the side wall of the first sealing packing, and a groove is formed in the bottom end of the V-shaped convex block.
As a further description of the above technical solution:
the top end of the first connecting rod is fixedly connected with a rotating handle.
As a further description of the above technical solution:
the bottom end of the first connecting rod is fixedly connected with a second connecting rod in the lower connecting cavity.
As a further description of the above technical solution:
and a fastening bolt penetrates through the top end of the first connecting plate.
As a further description of the above technical solution:
the bottom of second connecting plate is provided with the nut, just first connecting plate passes through fastening bolt, nut and the lateral wall fixed connection of second connecting plate.
As a further description of the above technical solution:
and a clamping block is fixedly connected to the bottom end of the upper connecting cavity and one side of the combined packing sealing layer.
As a further description of the above technical solution:
the first sealing filler is matched with the second sealing filler and the third sealing filler.
As a further description of the above technical solution:
a movable gap is arranged between the V-shaped convex block and the groove.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is:
1. compared with the prior art, the automatic regulating v-shaped combined packing sealing structure has good sealing effect, the multiple layers of sealing packing are arranged in the combined packing sealing layer, and the layers of sealing packing can be mutually matched, so that the sealing effect in use is enhanced.
2. Compared with the prior art, the automatic regulating V-shaped combined packing sealing structure can prevent the combined packing sealing layer from being damaged when in overpressure, the movable gap is arranged between the V-shaped convex block and the groove, the movable gap can play a role in buffering, and the combined packing sealing layer is prevented from being damaged when in overpressure.
3. Compared with the prior art, the automatic regulating v-shaped combined packing sealing structure can prolong the service life of parts through the arranged multilayer sealing packing and the arranged movable gap, and can reduce the production cost compared with the existing production procedures.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a valve body structure of an automatic adjusting v-shaped combined packing sealing structure of the present invention;
FIG. 2 is an enlarged view of the sealing structure of the automatic adjusting v-shaped combined packing of the present invention at the position A;
fig. 3 is a schematic structural view of the automatic adjusting v-shaped combined packing sealing structure of the present invention;
fig. 4 is a schematic diagram of the matching structure of the V-shaped projection and the groove of the automatic adjusting V-shaped combined packing sealing structure of the present invention.
In the figure: 1. rotating the handle; 2. a first connecting rod; 3. a fixed block; 4. an upper connecting cavity; 5. a lower connecting cavity; 6. a second connecting rod; 7. a first connecting plate; 8. a second connecting plate; 9. fastening a bolt; 10. a nut; 11. a clamping block; 12. combining a filler sealing layer; 13. a first seal packing; 14. a second seal packing; 15. a third seal packing; 16. a V-shaped bump; 17. a groove; 18. a movable gap.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an automatic adjusting v-shaped combined packing sealing structure comprises a fixing block 3, wherein a first connecting rod 2 is rotatably connected to the top end of the fixing block 3, a rotating handle 1 is fixedly connected to the top end of the first connecting rod 2, an upper connecting cavity 4 is fixedly connected to the bottom end of the fixing block 3, a clamping block 11 is fixedly connected to the bottom end of the upper connecting cavity 4 and one side of a combined packing sealing layer 12, the clamping block 11 can play a role in supporting and matching, a lower connecting cavity 5 is arranged at the bottom end of the upper connecting cavity 4, a second connecting rod 6 is fixedly connected to the bottom end of the first connecting rod 2 and the inside of the lower connecting cavity 5, a first connecting plate 7 is fixedly connected to the outer side wall of the upper connecting cavity 4, a fastening bolt 9 is arranged at the top end of the first connecting plate 7 in a penetrating mode, a second connecting plate 8 is arranged on the outer side wall of the lower connecting cavity 5, a nut 10 is arranged at the bottom end of the second connecting plate 8, and the first connecting plate 7 is connected with the first connecting plate through the fastening bolt 9, The nut 10 is fixedly connected with the side wall of the second connecting plate 8;
the side wall of the lower connecting cavity 5 is provided with a combined packing sealing layer 12 on the inner side of the second connecting plate 8, the upper portion of the side wall of the combined packing sealing layer 12 is provided with a first sealing packing 13, the first sealing packing 13 is matched with a second sealing packing 14 and a third sealing packing 15, the bottom end of the first sealing packing 13 is provided with the second sealing packing 14, the bottom end of the second sealing packing 14 is provided with the third sealing packing 15, the side wall of the first sealing packing 13 is provided with a V-shaped bump 16, the bottom end of the V-shaped bump 16 is provided with a groove 17, the V-shaped bump 16 and the groove 17 can be mutually attached, a movable gap 18 is arranged between the V-shaped bump 16 and the groove 17, the movable gap 18 can play a role in buffering, and the combined packing sealing layer 12 is prevented from being damaged when being subjected to overpressure.
The utility model discloses a theory of operation: this automatically regulated V-arrangement combined packing seal structure in use, be provided with first sealing packing 13, second sealing packing 14 and third sealing packing 15 in combined packing sealing layer 12, first sealing packing 13, second sealing packing 14, third sealing packing 15 three can mutually support, and be provided with V type lug 16 at the lateral wall bottom of first sealing packing 13 simultaneously, be provided with recess 17 at the lateral part top of second sealing packing 14, V type lug 16 can laminate with recess 17 each other, and be provided with movable clearance 18 between V type lug 16 and recess 17, thereby prevent when the excessive pressure that combined packing sealing layer 12 is damaged.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an automatic adjust v-arrangement packing seal structure, includes fixed block (3), its characterized in that: the top end of the fixed block (3) is rotatably connected with a first connecting rod (2), the bottom end of the fixed block (3) is fixedly connected with an upper connecting cavity (4), the bottom end of the upper connecting cavity (4) is provided with a lower connecting cavity (5), the outer side wall of the upper connecting cavity (4) is fixedly connected with a first connecting plate (7), and the outer side wall of the lower connecting cavity (5) is provided with a second connecting plate (8);
the side wall of the lower connecting cavity (5) is provided with a combined packing sealing layer (12) on the inner side of the second connecting plate (8), a first sealing packing (13) is arranged on the upper portion of the side wall of the combined packing sealing layer (12), a second sealing packing (14) is arranged at the bottom end of the first sealing packing (13), a third sealing packing (15) is arranged at the bottom end of the second sealing packing (14), a V-shaped bump (16) is arranged on the side wall of the first sealing packing (13), and a groove (17) is formed in the bottom end of the V-shaped bump (16).
2. The self-adjusting v-pack packing arrangement according to claim 1, wherein: the top end of the first connecting rod (2) is fixedly connected with a rotating handle (1).
3. The self-adjusting v-pack packing arrangement according to claim 1, wherein: the bottom end of the first connecting rod (2) is fixedly connected with a second connecting rod (6) in the lower connecting cavity (5).
4. The self-adjusting v-pack packing arrangement according to claim 1, wherein: and a fastening bolt (9) penetrates through the top end of the first connecting plate (7).
5. The self-adjusting v-pack packing arrangement according to claim 1, wherein: the bottom end of the second connecting plate (8) is provided with a nut (10), and the first connecting plate (7) is fixedly connected with the side wall of the second connecting plate (8) through a fastening bolt (9) and the nut (10).
6. The self-adjusting v-pack packing arrangement according to claim 1, wherein: and a clamping block (11) is fixedly connected to the bottom end of the upper connecting cavity (4) and one side of the combined packing sealing layer (12).
7. The self-adjusting v-pack packing arrangement according to claim 1, wherein: the first sealing filler (13) is matched with the second sealing filler (14) and the third sealing filler (15).
8. The self-adjusting v-pack packing arrangement according to claim 1, wherein: a movable gap (18) is arranged between the V-shaped convex block (16) and the groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022886014.1U CN214119138U (en) | 2020-12-04 | 2020-12-04 | Automatic adjust v-arrangement combined packing seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022886014.1U CN214119138U (en) | 2020-12-04 | 2020-12-04 | Automatic adjust v-arrangement combined packing seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214119138U true CN214119138U (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022886014.1U Active CN214119138U (en) | 2020-12-04 | 2020-12-04 | Automatic adjust v-arrangement combined packing seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214119138U (en) |
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2020
- 2020-12-04 CN CN202022886014.1U patent/CN214119138U/en active Active
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