CN209484114U - A kind of structure enhancing expansion bend sealing performance - Google Patents
A kind of structure enhancing expansion bend sealing performance Download PDFInfo
- Publication number
- CN209484114U CN209484114U CN201822002174.8U CN201822002174U CN209484114U CN 209484114 U CN209484114 U CN 209484114U CN 201822002174 U CN201822002174 U CN 201822002174U CN 209484114 U CN209484114 U CN 209484114U
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- short tube
- ontology
- gland
- tube flange
- ring
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Abstract
The utility model provides a kind of structure that can enhance expansion bend sealing performance, belong to expansion bend field, including ontology, short tube flange and power transmission screw rod, short tube flange is put on the inside of ontology, the two coaxial arrangement, short tube flange outer wall is fitted closely with inner body wall, the two sliding contact, ontology and short tube flanged joint one end are equipped with delta-ring, T-type sealing ring and gland, delta-ring and the horizontally adjacent setting of T-type sealing ring, and internal diameter is pressed on short tube flange excircle, the outside of delta-ring and T-type sealing ring is arranged in gland, press delta-ring and T-type sealing ring, ontology is fixedly connected with short tube flange by power transmission screw rod.The installation of the utility model is simple and convenient, increases the contact area of sealing surface, improves leakproofness.
Description
Technical field
The utility model belongs to expansion bend field, is related to a kind of structure that can enhance expansion bend sealing performance.
Background technique
Expansion bend in a certain range can axial stretching, can also overcome in certain angle pipeline docking it is axially different and
The offset of generation can greatly facilitate the installation and removal of valve pipe, pipeline allow in stroke can with free extension, one
Denier crosses its maximal dilation amount and just plays limit, it is ensured that the safe operation of pipeline.
Existing expansion bend, the flexible seal of tube are by the sealing of 0 type circle or T-type sealing ring, and the weight of telescoping tube is also by 0 type
Circle is held in the palm, and due to large-scale expansion bend telescoping tube weight, 0 type circle is easy to press partially, is caused leak gas leak phenomenon, leakproofness is insufficient.
Utility model content
Problem to be solved in the utility model be to provide a kind of structure it is simple, it is reliable, increase sealing surface contact area
The structure of expansion bend sealing performance can be enhanced.
In order to solve the above technical problems, the technical solution adopted in the utility model is that one kind can enhance expansion bend sealing performance
Structure, including ontology, short tube flange and power transmission screw rod, the short tube flange puts on the inside of ontology, and the two coaxial arrangement is described
Short tube flange outer wall is fitted closely with inner body wall, the two sliding contact, and the ontology and short tube flanged joint one end are equipped with three
Angular sealing ring, T-type sealing ring and gland, the delta-ring and the horizontally adjacent setting of T-type sealing ring, and internal diameter presses
On short tube flange excircle, the outside of delta-ring and T-type sealing ring is arranged in the gland, presses delta-ring
With T-type sealing ring, the ontology is fixedly connected with short tube flange by screw rod.
Further, the power transmission screw rod sequentially passes through short tube flange, gland and valve, the power transmission screw rod and ontology and
Short pipe method your beautiful writings is to be slidably connected.
Further, the power transmission screw rod is equipped with nut, is threadedly engaged between the power transmission screw rod and nut, described
Nut quantity is four, and the nut is separately positioned on the both ends of ontology and short tube flange.
Further, the gland side is equipped with gland stud, and the gland stud passes through gland and is fixedly connected with ontology,
The gland stud is fixedly connected by gland nut with gland.
Further, the ontology is fixedly connected by the first bolt with preceding external valve, and the short tube flange passes through the
Two bolts are fixedly connected with rear external valve, and first bolt is overlapped with the second bolt axis.
Compared with prior art, the utility model has the advantage that as follows with good effect:
1, there is certain displacement between the utility model ontology and short tube flanged joint, this is adjusted according to site dimension demand
Body flange and short pipe method your beautiful writings contact area, the axis shift of compensation pipes are easy for installation.
2, the utility model uses gland to compress sealing ring to guarantee the leakproofness of expansion bend, and sealing ring is designed as one three
Angular sealing ring and T-type sealing ring, strength is pressed in the outer circle of short tube flange in two sealing rings, considerably increases triangle rubber
The contact area of cushion rubber and T-type rubber ring, rubber ring and expansion bend inclined-plane guarantees that compensation connects by the flexible deformation of sealing ring
Head does not leak when compensating the displacement that pipeline occurs within the scope of stroke.
3, this sealing structure is simple, reliable, increases the contact area of sealing surface, is stretching to greatly strengthen expansion bend
The safety of leakage is not generated when compensation pipeline is be subjected to displacement within the scope of contracting, it is applied widely.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the structural schematic diagram that the utility model one kind can enhance expansion bend sealing performance；
Fig. 2 is the structure partial schematic diagram that the utility model one kind can enhance expansion bend sealing performance.
Description of symbols:
1- ontology；2- delta-ring；3- gland；4- short tube flange；5- power transmission screw rod；6- nut；7- gland spiral shell
It is female；8- gland stud；9-T type sealing ring；The first bolt of 10-；The second bolt of 11-；External valve before 12-；External valve after 13-
Door.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As depicted in figs. 1 and 2, a kind of structure enhancing constrictor sealing performance, including ontology 1, short tube flange 4 and biography
Power screw rod 5, short tube flange 4 put into 1 inside of ontology, the two coaxial arrangement, and 4 outer wall of short tube flange is fitted closely with 1 inner wall of ontology,
The two sliding contact, ontology 1 connect one end with short tube flange 4 equipped with delta-ring 2, T-type sealing ring 9 and gland 3, and three
Angular sealing ring 2 and the horizontally adjacent setting of T type sealing ring 9, and internal diameter is pressed in 4 outer circle of short tube flange, the setting of gland 3 exists
Delta-ring 2 and T-type sealing ring 9, ontology 1 and short pipe method are pressed in the outside of delta-ring 2 and T-type sealing ring 9
Orchid 4 is fixedly connected by power transmission screw rod 5, and T-type sealing ring and triangular sealing ring considerably increase the contact area with short tube flange,
Guarantee that expansion bend compensates the displacement of pipeline generation within the scope of stroke, avoids leaking.
Preferably, power transmission screw rod 5 sequentially passes through short tube flange 4, gland 3 and ontology 1, power transmission screw rod 5 and ontology 1 and short
To be slidably connected between pipe flange 4, ontology 1 and short tube flange 4 can relatively move on power transmission screw rod 5, according to in-site installation need
It asks, adjusts the contact area of ontology and section tube method your beautiful writings.
Preferably, power transmission screw rod 5 is equipped with nut 6, is threadedly engaged between nut 6 and power transmission screw rod 5,6 quantity of nut
It is four, nut 6 is separately positioned on the both ends of ontology 1 and short tube flange 4, the opposite position of adjustable body 1 and short tube flange 4
It sets, the axis shift of compensation pipes.
Preferably, 3 side of gland is equipped with gland stud 8, and gland stud 8 passes through gland 3 and is fixedly connected with ontology 1, gland
Stud 8 is fixedly connected by gland nut 7 with gland 3, and gland 3 is mobile with body flange 1, it is ensured that delta-ring 2 and T-type
Sealing ring 9 is tightly attached in 4 outer circle of short tube flange.
Preferably, ontology 1 is fixedly connected by the first bolt 10 with preceding external valve 12, and short tube flange 4 passes through the second spiral shell
Bolt 11 is fixedly connected with rear external valve 13, and the first bolt 10 is overlapped with 11 axis of the second bolt, and the use for improving connector is stablized
Property.
Practical work process is that short tube flange 4 is on the inside of ontology 1, the inner wall of 4 outer wall of short tube flange abutting ontology 1, two
Person's sliding contact, ontology 1 and 4 junction of short tube flange are equipped with delta-ring 2 and T-type sealing ring 9, delta-ring 2
It is pressed on the internal diameter of T-type sealing ring 9 in the outer circle of short tube flange 4, gland 3 is pressed on delta-ring 2 and T-type sealing
On circle 9, gland 3 is fixedly connected by gland stud 8 with ontology 1, and power transmission screw rod 5 sequentially passes through short tube flange 4, gland 3 and sheet
Body 1 is set on power transmission screw rod 5 there are four nut 6,
Nut 6 is respectively provided at the both ends of ontology 1 and short tube flange 4, with tight lock body 1 and preceding external valve 12, short pipe method
Orchid 4 and rear external valve, the contact area of ontology 1 and short tube flange 4 is adjusted according to site dimension, compensates inertia axial displacement,
Delta-ring 2 and T-type sealing ring 9 greatly increase delta-ring 2 and T-type sealing ring 9, delta-ring 2, T-type
The contact area of sealing ring 9 and 1 inclined-plane of ontology can guarantee expansion bend within the scope of stroke by the flexible deformation of sealing ring
Without leaking when compensating the displacement that pipeline occurs.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. the structure that one kind can enhance expansion bend sealing performance, it is characterised in that: including ontology (1), short tube flange (4) and power transmission
Screw rod (5), the short tube flange (4) are put on the inside of ontology (1), the two coaxial arrangement, short tube flange (4) outer wall and ontology
(1) inner wall fits closely, the two sliding contact, and the ontology (1) connect one end with short tube flange (4) equipped with delta-ring
(2), T-type sealing ring (9) and gland (3), the delta-ring (2) and T-type sealing ring (9) horizontally adjacent setting, and it is interior
Diameter is pressed in short tube flange (4) outer circle, the gland (3) setting delta-ring (2) and T-type sealing ring (9) outside
Side, presses delta-ring (2) and T-type sealing ring (9), and the ontology (1) and short tube flange (4) pass through power transmission screw rod (5)
It is fixedly connected.
2. the structure that one kind according to claim 1 can enhance expansion bend sealing performance, it is characterised in that: the power transmission spiral shell
Bar (5) sequentially passes through short tube flange (4), gland (3) and ontology (1), the power transmission screw rod (5) and ontology (1) and short tube flange
It (4) is to be slidably connected between.
3. the structure that one kind according to claim 1 can enhance expansion bend sealing performance, it is characterised in that: the power transmission spiral shell
Bar (5) is equipped with nut (6), is threadedly engaged between the nut (6) and power transmission screw rod (5), and nut (6) quantity is four
A, the nut (6) is separately positioned on the both ends of ontology (1) and short tube flange (4).
4. the structure that one kind according to claim 1 can enhance expansion bend sealing performance, it is characterised in that: the gland
(3) side is equipped with gland stud (8), and the gland stud (8) passes through gland (3) and is fixedly connected with ontology (1), the gland spiral shell
Column (8) is fixedly connected by gland nut (7) with gland (3).
5. the structure that one kind according to claim 1 can enhance expansion bend sealing performance, it is characterised in that: the ontology
(1) be fixedly connected with preceding external valve (12) by the first bolt (10), the short tube flange (4) by the second bolt (11) and
External valve (13) is fixedly connected afterwards, and first bolt (10) is overlapped with the second bolt (11) axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822002174.8U CN209484114U (en) | 2018-11-30 | 2018-11-30 | A kind of structure enhancing expansion bend sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822002174.8U CN209484114U (en) | 2018-11-30 | 2018-11-30 | A kind of structure enhancing expansion bend sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209484114U true CN209484114U (en) | 2019-10-11 |
Family
ID=68117484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822002174.8U Active CN209484114U (en) | 2018-11-30 | 2018-11-30 | A kind of structure enhancing expansion bend sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209484114U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536235A (en) * | 2020-06-11 | 2020-08-14 | 博纳斯威阀门股份有限公司 | Sawtooth sealing ring |
| CN114198577A (en) * | 2021-11-01 | 2022-03-18 | 中石化四机石油机械有限公司 | Flange pipeline telescoping device |
-
2018
- 2018-11-30 CN CN201822002174.8U patent/CN209484114U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536235A (en) * | 2020-06-11 | 2020-08-14 | 博纳斯威阀门股份有限公司 | Sawtooth sealing ring |
| CN114198577A (en) * | 2021-11-01 | 2022-03-18 | 中石化四机石油机械有限公司 | Flange pipeline telescoping device |
| CN114198577B (en) * | 2021-11-01 | 2023-11-10 | 中国石油化工股份有限公司 | Flange pipeline telescoping device |
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