CN217583146U - Special type industry is dustproof seal structure for manometer - Google Patents

Special type industry is dustproof seal structure for manometer Download PDF

Info

Publication number
CN217583146U
CN217583146U CN202221355909.5U CN202221355909U CN217583146U CN 217583146 U CN217583146 U CN 217583146U CN 202221355909 U CN202221355909 U CN 202221355909U CN 217583146 U CN217583146 U CN 217583146U
Authority
CN
China
Prior art keywords
section
sealing
joint
spring
manometer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202221355909.5U
Other languages
Chinese (zh)
Inventor
徐海涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Xinyida Instrument Technology Co ltd
Original Assignee
Suzhou Xinyida Instrument Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Xinyida Instrument Technology Co ltd filed Critical Suzhou Xinyida Instrument Technology Co ltd
Priority to CN202221355909.5U priority Critical patent/CN217583146U/en
Application granted granted Critical
Publication of CN217583146U publication Critical patent/CN217583146U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Measuring Fluid Pressure (AREA)

Abstract

A dustproof sealing structure for a special industrial pressure gauge comprises a joint, an upper flange, a lower flange and a sealing structure; the sealing structure comprises a pressing plate, a pressing structure, a first liquid sealing ring, a packing ring and a second liquid sealing ring. In the installation process of the special industrial pressure gauge welded with the joint, the upper flange is firstly installed at the position, close to the clamping section, of the second stud section of the structure through the first threaded hole in the upper flange, then the sealing structure is installed at the position of the first connecting section and the sealing section of the joint, the second stud section of the joint is locked into the second threaded hole of the lower flange, and finally the upper flange is locked towards the lower flange. Through set up sealed structure between last flange and lower flange, effectively improved dirt resistance and leakproofness between the two, its installation is simple and convenient, has extensive suitability.

Description

Special type industry is dustproof seal structure for manometer
Technical Field
The utility model relates to a manometer field especially relates to a special type is dustproof sealing structure for industrial pressure table.
Background
The special industrial pressure gauge is a device made of stainless steel material, is suitable for occasions with special requirements on pressure gauges in production process flows of various industrial departments, has excellent corrosion resistance due to the material, is used for detecting the pressure of a medium with stronger corrosion resistance in a severe external corrosion environment, and is widely applied to enterprises of petroleum, chemical industry, pesticide and the like.
Current special type industry manometer when the installation is waited, through setting up the sealing washer between joint and flange, however, the sealed of this kind of mode, after the use of certain time, along with the ageing of sealing washer, can appear outside dust entering or the problem of inside liquid leakage to influence the reading exactness of manometer and the life of its spare part.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a special type is dustproof sealing structure for industrial pressure meter has solved the problem that exists when special type industrial pressure meter uses.
The technical scheme is as follows: the utility model provides a dustproof sealing structure for a special industrial pressure gauge, which comprises a joint, an upper flange, a lower flange and a sealing structure, wherein the joint comprises a welding section, a clamping section, a first stud section, a first connecting section, a sealing section and a second stud section which are connected in sequence; the upper flange is provided with a first threaded hole; the lower flange is provided with a second threaded hole; the welding section of the joint is welded on the special industrial pressure gauge main body, the upper flange is installed on the first stud section of the joint, the sealing structure is arranged at the position of the first connecting section and the sealing section, and the lower flange is installed on the second stud section; the sealing structure comprises a pressing plate, a pressing structure, a first liquid sealing ring, a packing ring and a second liquid sealing ring, wherein the pressing structure is provided with a plurality of groups, the pressing structure is arranged between the pressing plate and the first liquid sealing ring in a circumferential array mode by taking the axis of the pressing plate as the center, and the first liquid sealing ring, the packing ring and the second liquid sealing ring are sequentially arranged. In the installation process of the special industrial pressure gauge welded with the joint, the upper flange is firstly installed at the position, close to the clamping section, of the second stud section of the structure through the first threaded hole in the upper flange, then the sealing structure is installed at the position of the first connecting section and the sealing section of the joint, the second stud section of the joint is locked into the second threaded hole of the lower flange, and finally the upper flange is locked towards the lower flange. Through set up the seal structure between last flange and lower flange, effectively improved dirt resistance and leakproofness between the two, its installation is simple and convenient, has extensive suitability. The pressure plate packing ring in the sealing structure applies a certain pretightening force along with the locking of the joint to the lower flange direction, the packing ring generates axial compression deformation and simultaneously generates a radial expansion trend, so that the packing ring is tightly attached to the outer surface of the sealing section of the joint to play a sealing role; after a certain time, the performances of the packing ring such as elasticity and the like are changed, and the axial force compensation is given by the compression structure, so that the inner wall of the packing ring and the outer surface of the joint sealing section are still kept in a tight state, and the reliable sealing is ensured.
Furthermore, hold-down structure includes first spring coupling seat, spring, second spring coupling seat, first spring coupling seat, second spring coupling seat set up at the spring both ends.
Further, the first spring connecting seat and the second spring connecting seat have the same structure, the first spring connecting seat comprises a spring fixing section, a limiting section and a third stud section, and the spring fixing section, the limiting section and the third stud section are sequentially connected; the spring fixing section is also provided with an inner hexagonal groove. The spring fixing section is used for fixing the end part of the spring, the fixing position of the limiting section spring and the locking distance of the third stud section play a limiting role, and the third stud section is used for fixing.
Furthermore, a third threaded hole is formed in the pressure plate; the third threaded holes are provided with a plurality of groups and are arranged on the pressing plate in a circumferential array by taking the pressing plate as the center; and a fourth threaded hole is formed in the first liquid sealing ring, and the fourth threaded hole is arranged on the first liquid sealing ring in a circumferential array mode by taking the first liquid sealing ring as the center. And the third threaded hole and the fourth threaded hole are respectively connected with third stud sections on the first spring connecting seat and the second spring connecting seat.
Furthermore, a sealing gasket is arranged between the upper flange and the lower flange and is a corrosion-resistant sealing gasket. The double-sealing pressure gauge has double sealing effects with the sealing structure, so that dust is prevented from entering the pressure gauge and liquid in the pressure gauge is prevented from leaking out, and the service life of the special industrial pressure gauge is prolonged.
Furthermore, a groove is arranged on the upper flange. For mounting the gasket.
Furthermore, the lower flange is provided with a mounting hole, and the mounting hole is formed in one end of the second threaded hole. The sealing structure is installed in the mounting hole.
Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: 1) The sealing structure with the packing ring is arranged, and the packing ring is always attached to the surface of the sealing section of the structure through the compression effect of the compression structure, so that the overall sealing performance is effectively improved, the dustproof sealing effect is achieved, and the wide applicability is realized; 2) The upper flange and the sealing ring arranged on the upper flange are arranged, and the upper flange is locked relative to the lower flange in the direction, so that the double sealing effect is achieved; 3) Simple structure, the dismouting of being convenient for.
Drawings
FIG. 1 is a sectional view of the present invention;
FIG. 2 is a partial front view of a joint welded to a specialty industrial meter;
FIG. 3 is an enlarged view of detail A of FIG. 1;
FIG. 4 is a perspective view of a first spring connector mount;
FIG. 5 is a cross-sectional view of the upper flange;
fig. 6 is a cross-sectional view of the lower flange.
In the figure: the special industrial instrument comprises a joint 1, a clamping section 11, a first stud section 12, a first connecting section 13, a sealing section 14, a second stud section 15, an upper flange 2, a first threaded hole 21, a groove 22, a lower flange 3, a second threaded hole 31, a mounting hole 32, a sealing structure 4, a pressing plate 41, a third threaded hole 411, a pressing structure 42, a first spring connecting seat 421, a spring fixing section 4211, an inner hexagonal groove 42111, a limiting section 4212, a third stud section 4213, a spring 422, a second spring connecting seat 423, a first liquid sealing ring 43, a fourth threaded hole 431, a packing ring 44, a second liquid sealing ring 45, a sealing gasket 5 and a special industrial instrument 6.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
Example one
Fig. 1 is a cross-sectional view of the utility model mounted to a special industrial pressure gauge main body 6, including a joint 1, an upper flange 2, a lower flange 3, and a sealing structure 4, fig. 2 is a partial front view of the joint 1 welded to the special industrial pressure gauge main body 6, including a welding section, a clamping section 11, a first stud section 12, a first connecting section 13, a sealing section 14, and a second stud section 15 which are connected in sequence; a first threaded hole 21 is formed in the upper flange 2; the lower flange 3 is provided with a second threaded hole 31; the welding section of the joint 1 is welded on the special industrial pressure gauge main body 6, the upper flange 2 is installed on the first stud section 12 of the joint 1, the sealing structure 4 is arranged at the positions of the first connecting section 13 and the sealing section 14, and the lower flange 3 is installed on the second stud section 15; as shown in fig. 3, which is an enlarged view of a partial view a in fig. 1, the sealing structure 4 includes a pressing plate 41, a pressing structure 42, a first liquid sealing ring 43, a packing ring 44, and a second liquid sealing ring 45, the pressing structure 42 has a plurality of groups, and the groups are arranged between the pressing plate 41 and the first liquid sealing ring 43 in a circumferential array with an axis of the pressing plate 41 as a center, and the first liquid sealing ring 43, the packing ring 44, and the second liquid sealing ring 45 are sequentially arranged.
The pressing structure 42 includes a first spring connecting seat 421, a spring 422, and a second spring connecting seat 423, and the first spring connecting seat 421 and the second spring connecting seat 423 are disposed at two ends of the spring 422.
The first spring connecting seat 421 and the second spring connecting seat 423 have the same structure, and as shown in the perspective view of the first spring connecting seat 421 in fig. 4, the first spring connecting seat includes a spring fixing section 4211, a limiting section 4212 and a third stud section 4213, and the spring fixing section 4211, the limiting section 4212 and the third stud section 4213 are sequentially connected; the spring fixing section 4211 is also provided with an inner hexagonal groove 42111.
A third threaded hole 411 is formed in the pressing plate 41; the third threaded holes 411 are provided in a plurality of groups, and are circumferentially arranged on the pressing plate 41 by taking the pressing plate 41 as a center; the first liquid seal ring 43 is provided with fourth threaded holes 431, and the fourth threaded holes 431 are arranged on the first liquid seal ring 43 in a circumferential array by taking the first liquid seal ring 43 as a center.
And a sealing gasket 5 is also arranged between the upper flange 2 and the lower flange 3, and the sealing gasket 5 is a corrosion-resistant sealing gasket.
Fig. 5 shows a cross-sectional view of the upper flange 2, on which a groove 22 is provided.
Fig. 6 is a cross-sectional view of the lower flange 3, and a mounting hole 32 is formed in the lower flange, and the mounting hole 32 is disposed at one end of the second threaded hole 31.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides a special type industry is dustproof seal structure for manometer which characterized in that: the joint comprises a joint (1), an upper flange (2), a lower flange (3) and a sealing structure (4), wherein the joint (1) comprises a welding section, a clamping section (11), a first stud section (12), a first connecting section (13), a sealing section (14) and a second stud section (15) which are sequentially connected; a first threaded hole (21) is formed in the upper flange (2); the lower flange (3) is provided with a second threaded hole (31); the welding section of the joint (1) is welded on a special industrial pressure gauge main body, the upper flange (2) is installed on a first stud section (12) of the joint (1), the sealing structure (4) is arranged at the positions of a first connecting section (13) and a sealing section (14), and the lower flange (3) is installed on a second stud section (15); seal structure (4) are including clamp plate (41), compact structure (42), first liquid ring (43), filler ring (44), second liquid ring (45) of sealing, compact structure (42) have a plurality of groups to clamp plate (41) axle center is the circumference array setting between clamp plate (41), first liquid ring (43) of sealing as the center, first liquid ring (43), filler ring (44), second liquid ring (45) of sealing set gradually.
2. The special type industry is dustproof seal structure for manometer of claim 1, characterized in that: the pressing structure (42) comprises a first spring connecting seat (421), a spring (422) and a second spring connecting seat (423), and the first spring connecting seat (421) and the second spring connecting seat (423) are arranged at two ends of the spring (422).
3. The special type industry is dustproof seal structure for manometer of claim 2, characterized in that: the first spring connecting seat (421) and the second spring connecting seat (423) are identical in structure, the first spring connecting seat (421) comprises a spring fixing section (4211), a limiting section (4212) and a third stud section (4213), and the spring fixing section (4211), the limiting section (4212) and the third stud section (4213) are sequentially connected; the spring fixing section (4211) is also provided with an inner hexagonal groove (42111).
4. The special type industry is dustproof seal structure for manometer of claim 1, characterized in that: a third threaded hole (411) is formed in the pressure plate (41); the third threaded holes (411) are provided with a plurality of groups and are arranged on the pressing plate (41) in a circumferential array by taking the pressing plate (41) as the center; and a fourth threaded hole (431) is formed in the first liquid sealing ring (43), and the fourth threaded hole (431) is arranged on the first liquid sealing ring (43) in a circumferential array by taking the first liquid sealing ring (43) as the center.
5. The special type industry is dustproof seal structure for manometer of claim 1, characterized in that: still be equipped with sealed pad (5) between upper flange (2), lower flange (3), sealed pad (5) are corrosion-resistant sealed pad.
6. The special type industry is dustproof seal structure for manometer of claim 1, characterized in that: and a groove (22) is arranged on the upper flange (2).
7. The special type industry is dustproof seal structure for manometer of claim 1, characterized in that: and a mounting hole (32) is formed in the lower flange (3), and the mounting hole (32) is formed in one end of the second threaded hole (31).
CN202221355909.5U 2022-06-01 2022-06-01 Special type industry is dustproof seal structure for manometer Active CN217583146U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221355909.5U CN217583146U (en) 2022-06-01 2022-06-01 Special type industry is dustproof seal structure for manometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221355909.5U CN217583146U (en) 2022-06-01 2022-06-01 Special type industry is dustproof seal structure for manometer

Publications (1)

Publication Number Publication Date
CN217583146U true CN217583146U (en) 2022-10-14

Family

ID=83528355

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221355909.5U Active CN217583146U (en) 2022-06-01 2022-06-01 Special type industry is dustproof seal structure for manometer

Country Status (1)

Country Link
CN (1) CN217583146U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117589361A (en) * 2024-01-18 2024-02-23 武汉光谷蓝焰新能源股份有限公司 Water pressure detection device of boiler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117589361A (en) * 2024-01-18 2024-02-23 武汉光谷蓝焰新能源股份有限公司 Water pressure detection device of boiler
CN117589361B (en) * 2024-01-18 2024-04-26 武汉光谷蓝焰新能源股份有限公司 Water pressure detection device of boiler

Similar Documents

Publication Publication Date Title
KR101250561B1 (en) Mechanical seal device
CN217583146U (en) Special type industry is dustproof seal structure for manometer
JPH03165248A (en) Sensor for fluid
CN210600578U (en) Sealing rubber pad for connecting corrugated pipe
CN220050619U (en) Auxiliary tool for assembling omega-ring heat exchanger
CN217239807U (en) Vacuum connector
CN212509946U (en) Sealing structure of flange
CN219774674U (en) Air spring air chamber assembly structure
CN213839910U (en) Vacuum corrugated pipe
CN213420281U (en) Corrosion-resistant high-sealing expansion joint
CN219102084U (en) Ball valve for hydrogen sealing
CN220286757U (en) Corrosion-resistant and leakage-proof metal expansion joint
CN212745455U (en) Double-seal double-socket structure of composite pipe and composite pipe
CN215980786U (en) Sealing ring for new energy lithium battery
CN211855664U (en) Thermoplastic pressure gauge
CN111609232A (en) Sealing structure of flange
CN214579641U (en) Sealing assembly for rubber expansion joint
CN218152827U (en) High-sealing automobile oil pipe joint
CN216143170U (en) High leakproofness graphite filler ring
CN219391210U (en) Double-seal differential pressure monitoring instrument
CN215720262U (en) Bearing sealing device and gas turbine
CN215170307U (en) Exhaust pipeline connecting device
CN218378286U (en) Tetrafluoro expander
CN216139548U (en) High leakproofness graphite composite pad piece
CN219413823U (en) Metal hose

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A dustproof sealing structure for special industrial pressure gauges

Granted publication date: 20221014

Pledgee: Jiangsu Taicang Rural Commercial Bank Co.,Ltd. Guizhuang Branch

Pledgor: Suzhou Xinyida Instrument Technology Co.,Ltd.

Registration number: Y2024980002424

PE01 Entry into force of the registration of the contract for pledge of patent right