CN208605769U - A kind of valve Double-bellows sealing structure - Google Patents
A kind of valve Double-bellows sealing structure Download PDFInfo
- Publication number
- CN208605769U CN208605769U CN201820969273.0U CN201820969273U CN208605769U CN 208605769 U CN208605769 U CN 208605769U CN 201820969273 U CN201820969273 U CN 201820969273U CN 208605769 U CN208605769 U CN 208605769U
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- Prior art keywords
- bellows
- external member
- plug
- unit
- bolt
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Abstract
The utility model discloses a kind of valve Double-bellows sealing structures, including the first bellows and external member, the left end of second bellows is welded with external member, plug-in unit is provided on the left of the external member, the right end gluing of the plug-in unit has the 4th rubber neck, the right lateral surface of second rubber neck fits with external member, the right side circumference of the external member is provided with the first bolt, first bolt sequentially passes through external member and plug-in unit from right to left, the left outer surface circumference of first bolt is arranged with the first nut, first nut is connected with the first bolt thread, the right end of first nut fits with plug-in unit, the left-hand face of the plug-in unit is welded with the second bellows.The valve Double-bellows sealing structure can promote the leakproofness between plug-in unit and external member by the first rubber neck, the second rubber neck and the 4th rubber neck and lead to the problem of leakage between bellows connection so as to reduce.
Description
Technical field
The utility model relates to valve Double-bellows sealing structure technical field, specially a kind of valve is sealed with bi-bellow
Structure.
Background technique
Bellows refers to the tubular elastomeric sensing element connected into foldable wrinkle piece along folding retractable direction.Bellows
Be widely used in instrument and meter, be mainly used for the measuring cell as pressure measuring instruments, convert pressure into displacement or
Power.Ripple tube wall is relatively thin, and sensitivity is higher, and measurement range is tens of pas to tens of megapascal.Its open end is fixed, sealed end
Increase elasticity, bellows link position sealing used at present in free state, and using the helical spring of auxiliary or reed
The problem of property deficiency causes link position to leak, to be badly in need of a kind of sealing structure for bellows in the market.
Utility model content
The purpose of this utility model is to provide a kind of valve Double-bellows sealing structures, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of valve Double-bellows sealing structure, packet
The first bellows and external member are included, the left end of first bellows is welded with external member, and plug-in unit, institute are provided on the left of the external member
The right end gluing for stating plug-in unit has the 4th rubber neck, and the right end of the 4th rubber neck fits with external member, the plug-in unit
Right side outer surface circumference is provided with ring groove, and the inside of the ring groove is connected with the first rubber neck, first rubber
Outer surface circumference and the external member of rubber lantern ring fit, and the right lateral surface of the plug-in unit is provided with bulge loop, the right side table of the bulge loop
Face gluing has the second rubber neck, and the right lateral surface of second rubber neck fits with external member, the right circles of the external member
It is provided with the first bolt week, first bolt sequentially passes through external member and plug-in unit from right to left, outside the left side of first bolt
Surface perimeter is arranged with the first nut, and first nut is connected with the first bolt thread, the right end of first nut and insert
Part fits, and the left-hand face of the plug-in unit is welded with the second bellows.
Preferably, the first fastener is provided with above the external member, the left end of first fastener is welded with hinge, described
The lower end of hinge is welded with the second fastener, and the right end upper surface of first fastener is provided with the second bolt, second bolt
The first fastener and the second fastener are sequentially passed through from top to bottom, and the lower external face circumference of second bolt is arranged with the second spiral shell
Mother, second nut are connected with the second bolt thread, and upper end and the second fastener of second nut fit, and described first
The equal gluing of the inner surface of fastener and the second fastener has third rubber neck.
Preferably, the right lateral surface of valve bulge loop described in Double-bellows sealing structure is provided with burr.
Preferably, the first bellows and the second bellows described in valve Double-bellows sealing structure is internally provided with lining plastic
Layer.
Preferably, the outer surface circumference of second bellows and the second bellows is provided with rubber layer.
Compared with prior art, the utility model has the beneficial effects that the valve Double-bellows sealing structure, by with
Multiple rubber necks are arranged in plug-in unit outer surface circumference to connect, pass through the first rubber neck, the second rubber neck and the 4th rubber
Rubber lantern ring can promote the leakproofness between plug-in unit and external member and generate asking for leakage between bellows connection so as to reduce
Topic.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 be Fig. 1 in the second bellows, plug-in unit and the 4th rubber neck attachment structure schematic diagram；
Fig. 3 is the first fastener side view cross section figure structure schematic representation in Fig. 1.
In figure: 1, plastic lining layer, the 2, first bellows, 3, rubber layer, 4, external member, the 5, first fastener, 6, plug-in unit, 7, second
Bellows, 8, bulge loop, the 9, second fastener, 10, burr, 11, ring groove, the 12, first rubber neck, the 13, second rubber neck,
14, the first bolt, 15, third rubber lantern ring, the 16, first nut, the 17, second bolt, the 18, the 4th rubber neck, the 19, second spiral shell
Mother, 20, hinge.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of valve Double-bellows sealing structure, including
First bellows 2 and external member 4, the left end of the first bellows 2 are welded with external member 4, and the left side of external member 4 is provided with plug-in unit 6, plug-in unit 6
Right end gluing have the 4th rubber neck 18, right end and the external member 4 of the 4th rubber neck 18 fit, the 4th rubber neck 18
The gap between external member 4 and plug-in unit 6 can be reduced so as to reduce the gap between plug-in unit 6 and external member 4, the right side of plug-in unit 6
Outer surface circumference is provided with ring groove 11, and the inside of ring groove 11 is connected with the first rubber neck 12, the first rubber neck
12 outer surface circumference fits with external member 4, and the first rubber neck 12 can promote the leakproofness between plug-in unit 6 and external member 4, inserts
The right lateral surface of part 6 is provided with bulge loop 8, and the right lateral surface of bulge loop 8 is provided with burr 10, and the right lateral surface gluing of bulge loop 8 has
Two rubber necks 13, right lateral surface and the external member 4 of the second rubber neck 13 fit, and the right side circumference of external member 4 is provided with first
Bolt 14, the first bolt 14 sequentially pass through external member 4 and plug-in unit 6 from right to left, and the left outer surface circumference of the first bolt 14 is arranged
There is the first nut 16, the first nut 16 is connected with 14 screw thread of the first bolt, and right end and the plug-in unit 6 of the first nut 16 fit, and leads to
The left side that plug-in unit 6 is fixed on to external member 4 using the first bolt 14 and the first nut 16 is crossed, the left-hand face of plug-in unit 6 is welded with
Two bellowss 7, the top of external member 4 are provided with the first fastener 5, and the left end of the first fastener 5 is welded with hinge 20, under hinge 20
End is welded with the second fastener 9, and the second fastener 9 can be rotated around the first fastener 5, and the right end upper surface of the first fastener 5 is set
It is equipped with the second bolt 17, the second bolt 17 sequentially passes through the first fastener 5 and the second fastener 9 from top to bottom, under the second bolt 17
Portion outer surface circumference is arranged with the second nut 19, and the second nut 19 is connected with 17 screw thread of the second bolt, the upper end of the second nut 19
It fits with the second fastener 9, the equal gluing of inner surface of the first fastener 5 and the second fastener 9 has third rubber neck 15, first wave
Line pipe 2 and the second bellows 7 are internally provided with plastic lining layer 1, and plastic lining layer 1 can be to avoid having corrosive liquid and first wave
Line pipe 2 and the second bellows 7 generate contact, so that the corrosion that the first bellows 2 and the second bellows 7 are subject to is reduced, first wave
The outer surface circumference of line pipe 2 and the second bellows 7 is provided with rubber layer 3, and rubber layer 3 can be to the first bellows 2 and second
Bellows 7 is protected.
It, can by the 4th rubber neck 18 by the way that plug-in unit 6 to be inserted into the inside of external member 4 when user is to being attached
To reduce the gap of the link position of 6 right end of plug-in unit and external member 4, to reduce the leakage of plug-in unit 6 Yu 4 link position of external member, lead to
Cross the sky that the first rubber neck 12 that the right side outer surface circumference of plug-in unit 6 is arranged can be further reduced between plug-in unit 6 and external member 4
The second rubber neck 13 is arranged so that significantly more efficient reduction leaks in gap, can be further by the second rubber neck 13
Play the role of sealing, the sealing structure by the way that multilayer is arranged can play good leakproofness, to reduce between bellows
The gap of connection, to avoid the problem that bellows link position generates leakage.
In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu
Calmly ", the terms such as " being screwed on " 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, be also possible to be electrically connected；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.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of valve Double-bellows sealing structure, including the first bellows (2) and external member (4), first bellows (2)
Left end is welded with external member (4), it is characterised in that: is provided with plug-in unit (6) on the left of the external member (4), the right end of the plug-in unit (6)
Gluing has the 4th rubber neck (18), and right end and the external member (4) of the 4th rubber neck (18) fit, the plug-in unit (6)
Right side outer surface circumference be provided with ring groove (11), the inside of the ring groove (11) is connected with the first rubber neck
(12), the outer surface circumference of first rubber neck (12) fits with external member (4), and the right lateral surface of the plug-in unit (6) is set
It is equipped with bulge loop (8), the right lateral surface gluing of the bulge loop (8) has the second rubber neck (13), second rubber neck (13)
Right lateral surface fit with external member (4), the right side circumference of the external member (4) is provided with the first bolt (14), first spiral shell
Bolt (14) sequentially passes through external member (4) and plug-in unit (6) from right to left, and the left outer surface circumference of first bolt (14) is arranged with
First nut (16), first nut (16) are connected with the first bolt (14) screw thread, the right end of first nut (16) with
Plug-in unit (6) fits, and the left-hand face of the plug-in unit (6) is welded with the second bellows (7).
2. a kind of valve Double-bellows sealing structure according to claim 1, it is characterised in that: the external member (4) it is upper
Side is provided with the first fastener (5), and the left end of first fastener (5) is welded with hinge (20), the lower end weldering of the hinge (20)
It is connected to the second fastener (9), the right end upper surface of first fastener (5) is provided with the second bolt (17), second bolt
(17) the first fastener (5) and the second fastener (9), the lower external face circumference of second bolt (17) are sequentially passed through from top to bottom
It is arranged with the second nut (19), second nut (19) is connected with the second bolt (17) screw thread, second nut (19)
Upper end fits with the second fastener (9), and the equal gluing of inner surface of first fastener (5) and the second fastener (9) has third rubber
Rubber lantern ring (15).
3. a kind of valve Double-bellows sealing structure according to claim 1, it is characterised in that: the right side of the bulge loop (8)
Side surface is provided with burr (10).
4. a kind of valve Double-bellows sealing structure according to claim 1, it is characterised in that: first bellows
(2) and the second bellows (7) is internally provided with plastic lining layer (1).
5. a kind of valve Double-bellows sealing structure according to claim 1, it is characterised in that: second bellows
(7) and the outer surface circumference of the second bellows (7) is provided with rubber layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820969273.0U CN208605769U (en) | 2018-06-22 | 2018-06-22 | A kind of valve Double-bellows sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820969273.0U CN208605769U (en) | 2018-06-22 | 2018-06-22 | A kind of valve Double-bellows sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208605769U true CN208605769U (en) | 2019-03-15 |
Family
ID=65665586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820969273.0U Expired - Fee Related CN208605769U (en) | 2018-06-22 | 2018-06-22 | A kind of valve Double-bellows sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208605769U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332391A (en) * | 2019-08-15 | 2019-10-15 | 河北华整实业有限公司 | A kind of mining primary-secondary type pipe fitting |
| CN110469723A (en) * | 2019-08-15 | 2019-11-19 | 河北华整实业有限公司 | A kind of new type mining helical bellows |
| CN111946915A (en) * | 2020-07-10 | 2020-11-17 | 珠海格力电器股份有限公司 | Joint structure, pipeline and water tank with same |
-
2018
- 2018-06-22 CN CN201820969273.0U patent/CN208605769U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332391A (en) * | 2019-08-15 | 2019-10-15 | 河北华整实业有限公司 | A kind of mining primary-secondary type pipe fitting |
| CN110469723A (en) * | 2019-08-15 | 2019-11-19 | 河北华整实业有限公司 | A kind of new type mining helical bellows |
| CN111946915A (en) * | 2020-07-10 | 2020-11-17 | 珠海格力电器股份有限公司 | Joint structure, pipeline and water tank with same |
| CN111946915B (en) * | 2020-07-10 | 2021-10-01 | 珠海格力电器股份有限公司 | Joint structure, pipeline and water tank with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190315 Termination date: 20210622 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |