CN218865354U

CN218865354U - Pressure gauge joint leakage-proof structure

Info

Publication number: CN218865354U
Application number: CN202222056705.8U
Authority: CN
Inventors: 张�浩; 胡剑镖; 蔡质炎; 彭华明; 陈石安
Original assignee: Hunan Huashi Ceramic Machinery Co ltd
Current assignee: Hunan Huashi Ceramic Machinery Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-04-14
Anticipated expiration: 2032-08-05

Abstract

The utility model discloses a pressure gauge joint leak-proof structure in the technical field of pressure gauge connection equipment, which comprises a monitoring device and a connecting device, wherein the monitoring device comprises a pipeline, a connecting seat, a pressure gauge and an air inlet column, the connecting seat is welded on the outer side wall of the pipeline, the air inlet column is inserted and connected at the bottom of the pressure gauge, and the pressure gauge is communicated with the inner cavity of the pipeline through the air inlet column; this pressure gauge joint leak protection structure's setting, through a plurality of first sealing rings of outer wall installation at the post of admitting air, a plurality of second sealing rings of inside wall installation at the inner tube, constitute first seal structure behind first sealing ring and the second sealing ring joint, and a cavity is constituteed with the connecting pipe intercombination to the inner tube, the size of cavity is the same with the size of outer tube, the outer tube is inserted and can effectually carry out the shutoff to the cavity in this cavity, and then constitute second way seal structure, thereby can effectually prevent that the gas in the pipeline outwards spills over along the gap of its junction.

Description

Pressure gauge joint leakage-proof structure

Technical Field

The utility model relates to a manometer jointing equipment technical field specifically is a manometer joint leak protection structure.

Background

The pressure gauge is an instrument which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the environmental pressure, is very commonly applied, almost extends to all the fields of industrial processes and scientific research, and is communicated with external equipment by using a joint in a heating power pipe network, an oil gas transmission system, a water supply and gas supply system, wherein the joint of the pressure gauge is used for connecting equipment of a measured medium or a connector between the pipeline and the pressure gauge. The existing pressure gauge joint is usually wound by an adhesive tape on a threaded column and then screwed into a pipeline when in use, the adhesive tape is extremely easy to damage in the screwing process and the adhesive tape can be weathered due to long-time exposure, so that gas in the pipeline can be leaked outwards along a gap of the adhesive tape. For this reason, new technical solutions need to be designed to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure gauge joint leak protection structure to the pressure gauge joint who provides among the above-mentioned background art of solution often adopts the sticky tape winding to screw into the pipeline again on the screw post when using, very easily causes the sticky tape to take place the damage and leak suddenly for a long time and can make the sticky tape morals and manners at the in-process of screwing up, thereby can make the gas in the pipeline outwards reveal along its gap problem.

In order to achieve the above object, the utility model provides a following technical scheme: a pressure gauge joint leakage-proof structure comprises a monitoring device and a connecting device, wherein the monitoring device comprises a pipeline, a connecting seat, a pressure gauge and an air inlet column, the connecting seat is welded on the outer side wall of the pipeline, the air inlet column is inserted and connected to the bottom of the pressure gauge, the pressure gauge is communicated with an inner cavity of the pipeline through the air inlet column, and a plurality of first sealing rings are fixed on the outer side wall of the air inlet column through bolts; the connecting device comprises an outer pipe, a connecting pipe and an inner pipe, wherein the outer pipe is welded on the outer side wall of the air inlet column, the connecting pipe is welded on the top of the connecting seat, the inner pipe is welded on the bottom of an inner cavity of the connecting pipe, a cavity is formed between the inner pipe and the connecting pipe, a plurality of second sealing rings are fixed on the inner side wall of the inner pipe through bolts, the outer pipe is inserted into the cavity, and the cavity is the same as the outer pipe in size.

In order to control the whereabouts distance of outer tube, conduct the utility model discloses a pressure meter connector leak protection structure is preferred, the top welding of outer tube has spacing dish, spacing dish size is greater than the connecting pipe.

Carry out the rigidity for the post of admitting air after the pairing rotation, conduct the utility model discloses a pressure meter connector leak protection structure is preferred, open at the top of connecting pipe has the jack, the inside of spacing dish is pegged graft and is had the post of inserting, insert the post with the jack is pegged graft.

In order to fix the position of inserting into the outer tube in the connecting tube, as the utility model discloses a pressure meter connector leak protection structure is preferred, the lateral wall welding of the lateral wall of the post of admitting air has a plurality of spacers, the inside wall welding of inner tube has a plurality of cards, the spacer joint in the bottom of card.

In the inner chamber of the post of admitting air is entered into in order to make things convenient for gas, conduct the utility model discloses a pressure gauge joint leak protection structure is preferred, the inner chamber bottom of connecting pipe open have with the same through-hole of post external dimension admits air.

In order to improve sealing performance, as the utility model discloses a pressure meter connector leak protection structure is preferred, the bottom of outer tube is passed through the bolt fastening and is had first rubber circle, the bottom of cavity is inlayed and is had second rubber circle, first rubber circle with second rubber circle contacts each other.

Compared with the prior art, the beneficial effects of the utility model are that: this pressure gauge joint leak protection structure's setting, through a plurality of first sealing rings of outer wall installation at the post of admitting air, a plurality of second sealing rings of inside wall installation at the inner tube, constitute first seal structure behind first sealing ring and the second sealing ring joint, and a cavity is constituteed with the connecting pipe intercombination to the inner tube, the size of cavity is the same with the size of outer tube, the outer tube is inserted and can effectually carry out the shutoff to the cavity in this cavity, and then constitute second way seal structure, thereby can effectually prevent that the gas in the pipeline outwards spills over along the gap of its junction.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the outer tube of the present invention;

fig. 3 is the schematic sectional structure diagram of the connecting pipe of the present invention.

In the figure: 100. a monitoring device; 110. a pipeline; 120. a connecting seat; 130. a pressure gauge; 140. an air inlet column; 141. a first seal ring; 142. positioning a sheet; 200. a connecting device; 210. an outer tube; 211. a limiting disc; 212. inserting a column; 213. a first rubber ring; 220. a connecting pipe; 221. a second rubber ring; 230. an inner tube; 231. a second seal ring; 232. a card.

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. 1-3, the present invention provides a technical solution: including monitoring device 100 and connection device 200.

In the technical scheme, the monitoring device 100 comprises a pipeline 110, a connecting seat 120, a pressure gauge 130 and an air inlet column 140, wherein the connecting seat 120 is welded on the outer side wall of the pipeline 110, the air inlet column 140 is inserted at the bottom of the pressure gauge 130, the pressure gauge 130 is communicated with the inner cavity of the pipeline 110 through the air inlet column 140, and a plurality of first sealing rings 141 are fixed on the outer side wall of the air inlet column 140 through bolts;

in this technical solution, the pipe 110 is used for transporting gas, the connection base 120 is used for providing a supporting point for installing the connection pipe 220, the pressure gauge 130 and the gas inlet column 140 cooperate with each other to monitor the gas pressure in the inner cavity of the pipe 110, and the first sealing ring 141 is used for cooperating with the second sealing ring 231 to form a first sealing structure.

In this technical solution, the connection device 200 includes an outer tube 210, a connection tube 220 and an inner tube 230, the outer tube 210 is welded on the outer sidewall of the air intake column 140, the connection tube 220 is welded on the top of the connection seat 120, the inner tube 230 is welded on the bottom of the inner cavity of the connection tube 220, a cavity is formed between the inner tube 230 and the connection tube 220, a plurality of second sealing rings 231 are fixed on the inner sidewall of the inner tube 230 through bolts, the outer tube 210 is inserted into the cavity, and the size of the cavity is the same as that of the outer tube 210;

in this technical solution, two through holes are opened in the connection pipe 220, the upper through hole is used to provide a sufficient space for the use of the second sealing ring 231, the first sealing ring 141, the clamping plate 232 and the positioning plate 142, the lower through hole is used to insert the bottom end of the air inlet column 140 and communicate with the pipeline 110, a platform is opened at the bottom of the inner cavity of the connection pipe 220, the bottom of the inner pipe 230 is welded on the platform, a cavity is formed between the connection pipe 220 and the inner pipe 230, the outer pipe 210 is inserted in the cavity, because the size of the cavity is the same as that of the outer pipe 210, the outer pipe 210 can completely seal the cavity to form a second to sealing structure, and the second sealing ring 231 is clamped on the upper portion of the first sealing ring 141, because the air inlet column 140 obtains upward thrust under the action of air pressure, the second sealing ring 231 is clamped with the first sealing ring 141 more tightly.

In some technical solutions, referring to fig. 1-2, a limiting disc 211 is welded on the top of the outer tube 210, and the size of the limiting disc 211 is larger than that of the connecting tube 220.

In this kind of technical scheme, the use of spacing dish 211 can avoid outer tube 210 to be pressed into the cavity by the excessive, and makes first rubber ring 213 and second rubber ring 221 extruded the excessive and take place to damage.

In some technical solutions, referring to fig. 1-2, the top of the connection tube 220 is provided with a jack, the inner portion of the limiting disc 211 is inserted with the insertion column 212, and the insertion column 212 is inserted with the jack.

In this kind of technical scheme, the air inlet column 140 is rotatory to be changeed the card 232 to the bottom of spacer 142, utilizes inserting the post 212 to fix the rotatory angle of air inlet column 140 this moment, avoids air inlet column 140 to rotate when normal use.

In some technical solutions, referring to fig. 2 to 3, a plurality of positioning pieces 142 are welded to an outer side wall of the air inlet column 140, a plurality of clamping pieces 232 are welded to an inner side wall of the inner tube 230, and the positioning pieces 142 are clamped to bottoms of the clamping pieces 232.

In this embodiment, the positioning plate 142 is clamped at the bottom of the clamping plate 232, so as to prevent the air inlet column 140 from being pushed away from the inner cavity of the connection tube 220 under the action of the air pressure in the duct 110.

In some embodiments, referring to fig. 1 to 3, a through hole having the same size as the outer dimension of the air inlet column 140 is formed at the bottom of the inner cavity of the connection tube 220.

In this embodiment, the gas can be guided from the gas inlet column 140 to the pressure gauge 130, so that the pressure gauge 130 monitors the gas pressure.

In some technical solutions, referring to fig. 2 to 3, a first rubber ring 213 is fixed to the bottom of the outer tube 210 by a bolt, a second rubber ring 221 is embedded in the bottom of the cavity, and the first rubber ring 213 and the second rubber ring 221 contact each other.

In the technical scheme, pressure is applied to the limiting disc 211, so that the first rubber ring 213 and the second rubber ring 221 are in mutual contact and are extruded and deformed, and the separation effect of the outer tube 210 on the cavity can be effectively improved.

The working principle is as follows: the air inlet column 140 provided with the outer tube 210 is inserted into the inner cavity of the connecting tube 220, so that the outer tube 210 is inserted into the cavity formed by the connecting tube 220 and the inner tube 230, the bottom end of the air inlet column 140 is inserted into the through hole at the bottom of the connecting tube 220 and is communicated with the inner cavity of the tube 110, a downward force is applied to the limiting disc 211 at this time, so that the bottom of the limiting disc 211 is just collided with the top of the connecting tube 220, at this time, the air inlet column 140 is rotated, so that the positioning sheet 142 is clamped at the bottom of the clamping sheet 232, at this time, the first sealing ring 141 is clamped at the bottom of the second sealing ring 231, the inserting column 212 is pressed downwards into the insertion hole at the top of the connecting tube 220, at this time, the assembly of the pressure gauge joint 130 is completed, the nut outside the connecting tube 220 is rotated to move upwards, so that the top of the connecting tube 220 is clamped, so that the connecting strength between the air inlet column 140 and the connecting tube 220 is improved, at this time, the valve on the tube 110 is opened, so that air flows in the tube 110, and the pressure gauge 130 monitors the air pressure in the tube 110.

It should be noted that, in this document, relational terms such as first and second, and the like are 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.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a pressure gauge joint leak protection structure which characterized in that: the device comprises a monitoring device (100) and a connecting device (200), wherein the monitoring device (100) comprises a pipeline (110), a connecting seat (120), a pressure gauge (130) and an air inlet column (140), the connecting seat (120) is welded on the outer side wall of the pipeline (110), the air inlet column (140) is inserted at the bottom of the pressure gauge (130), the pressure gauge (130) is communicated with the inner cavity of the pipeline (110) through the air inlet column (140), and a plurality of first sealing rings (141) are fixed on the outer side wall of the air inlet column (140) through bolts;

the connecting device (200) comprises an outer pipe (210), a connecting pipe (220) and an inner pipe (230), wherein the outer pipe (210) is welded on the outer side wall of the air inlet column (140), the connecting pipe (220) is welded on the top of the connecting seat (120), the inner pipe (230) is welded on the bottom of the inner cavity of the connecting pipe (220), a cavity is formed between the inner pipe (230) and the connecting pipe (220), a plurality of second sealing rings (231) are fixed on the inner side wall of the inner pipe (230) through bolts, the outer pipe (210) is inserted into the cavity, and the cavity is the same as the outer pipe (210) in size.

2. The anti-leakage structure of the pressure gauge joint according to claim 1, wherein: the top welding of outer tube (210) has spacing dish (211), spacing dish (211) size is greater than connecting pipe (220).

3. The anti-leakage structure of a pressure gauge joint according to claim 2, wherein: the top of the connecting pipe (220) is provided with a jack, the inner part of the limiting disc (211) is inserted with an inserting column (212), and the inserting column (212) is inserted with the jack.

4. The anti-leakage structure of a pressure gauge joint according to claim 1, wherein: the outer side wall of the air inlet column (140) is welded with a plurality of positioning pieces (142), the inner side wall of the inner pipe (230) is welded with a plurality of clamping pieces (232), and the positioning pieces (142) are clamped at the bottoms of the clamping pieces (232).

5. The anti-leakage structure of a pressure gauge joint according to claim 1, wherein: the bottom of the inner cavity of the connecting pipe (220) is provided with a through hole with the same external size as the air inlet column (140).

6. The anti-leakage structure of the pressure gauge joint according to claim 1, wherein: the bottom of outer tube (210) is fixed with first rubber circle (213) through the bolt, the bottom of cavity is inlayed and is had second rubber circle (221), first rubber circle (213) with second rubber circle (221) contacts each other.