CN210603710U

CN210603710U - Pressure monitoring device for gas detection

Info

Publication number: CN210603710U
Application number: CN201921965804.XU
Authority: CN
Inventors: 林黎明
Original assignee: Shanghai Jingxin Electronic Technology Co ltd
Current assignee: Shanghai Jingxin Electronic Technology Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-05-22
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a pressure monitoring device for gas detection, include the control box and connect in the baroceptor of monitoring connecting pipe upper end, be connected with the sensing line between baroceptor upper end and the control box, the control box front end is connected with the display screen, the control box rear end is connected with the mounting panel, both ends all are connected with the flange about the monitoring connecting pipe, threaded connection has the seal cover on the monitoring connecting pipe, the one end that baroceptor was kept away from to the seal cover is uncovered and with the flange phase-match, the rubber backing ring has been laid to the seal cover inner wall, the seal cover the inner is connected with a plurality of and the corresponding seal cushion block of flange hole, seal cushion block includes water-absorbing rubber and waterproof rubber, it has a plurality of and the flange hole assorted supplementary screw on the flange to open the seal cover, and a plurality. The utility model discloses simple structure can improve the gas tightness of flange department, reduces gas monitoring error, improves the degree of accuracy of monitoring data.

Description

Pressure monitoring device for gas detection

Technical Field

The utility model relates to a gas pressure monitoring technology field especially relates to a pressure monitoring device for gas detection.

Background

In the test experiment, need fill into a certain amount of argon gas, nitrogen gas or oxygen, for preventing the not enough scheduling problem of combustion degree that leads to because of the gas leakage problem, so when gas leaves the pipeline, show gas pressure through gas pressure monitoring device, whether monitoring gas leaks, but current gas pressure monitoring device has certain defect when using, the security performance of device is not high, the result of use is not good enough, and the device is comparatively inconvenient when monitoring gas pressure, certain influence has been brought for the use, therefore, now make the improvement to gas pressure monitoring device. For example, chinese patent publication No. CN208635981U discloses a gas pressure monitoring device, which can improve the safety and the use effect of the device, and can facilitate the device to monitor the gas pressure, and has practicability.

However, the air tightness of the flange joint of the monitoring device cannot be guaranteed, so that gas leakage is caused, and gas monitoring errors can be increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pressure monitoring device for gas detection.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pressure monitoring device for gas detection, includes the control box and connects in the baroceptor of monitoring connecting pipe upper end, be connected with the sensing line between baroceptor upper end and the control box, the control box front end is connected with the display screen, the control box rear end is connected with the mounting panel, both ends all are connected with the flange about the monitoring connecting pipe, threaded connection has the seal cover on the monitoring connecting pipe, the one end that baroceptor was kept away from to the seal cover is uncovered and with the flange phase-match, rubber backing ring has been laid to the seal cover inner wall, the seal cover inner is connected with a plurality of and the corresponding seal cushion of flange hole.

Preferably, the sealing sleeve is provided with a plurality of auxiliary screw holes matched with the flange holes on the flange in a chiseled mode, and the plurality of auxiliary screw holes and the plurality of sealing blocks are distributed at intervals.

Preferably, the sealing cushion block comprises water-absorbing rubber and waterproof rubber, the water-absorbing rubber is fixedly connected with the waterproof rubber, and the water-absorbing rubber is fixedly connected with the inner wall of the sealing sleeve.

Preferably, a plurality of reinforcing parts are arranged between the pair of sealing sleeves, and a plurality of fastening screw grooves matched with the end parts of the reinforcing parts are correspondingly drilled at one ends of the pair of sealing sleeves, which are close to each other.

Preferably, the reinforcing part comprises a bidirectional threaded sleeve and a pair of first screws, the pair of first screws are connected through the bidirectional threaded sleeve, and the ends, far away from each other, of the pair of first screws are respectively in threaded connection with fastening threaded grooves on the pair of sealing sleeves.

Preferably, the end part of the first screw rod in the bidirectional threaded sleeve is connected with a limiting ring matched with the end part of the bidirectional threaded sleeve.

Compared with the prior art, the utility model provides a pressure monitoring device for gas detection possesses following beneficial effect:

1. through the seal cover, the rubber backing ring and the seal cushion block that set up, after utilizing the flange to connect the device on external breather pipe, with the seal cover in flange department and screw up for the seal cushion block tightly supports in flange department, improves the gas tightness of flange department, reduces gas monitoring error, improves monitoring data's the degree of accuracy.

2. Through a plurality of auxiliary screw holes matched with the flange holes on the flange, which are cut on the sealing sleeve, the brief introduction of the auxiliary screw holes can be utilized to connect bolts to the flange holes, and the sealing sleeve plays a role in protecting the whole flange, so that the flange is not easy to collide with the outside.

3. Through setting the seal cushion block to including water-absorbing rubber and waterproof rubber two parts, in case the unexpected water of supplementary screw, water-absorbing rubber absorbs water the inflation, further extrudees waterproof rubber, when further reinforcing gas tightness, can effectively prevent that water from getting into flange hole corrosion connecting bolt.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure can improve the gas tightness of flange department, reduces gaseous monitoring error, improves the degree of accuracy of monitoring data.

Drawings

Fig. 1 is a schematic structural view of a pressure monitoring device for gas detection according to the present invention;

fig. 2 is a partial exploded view of a pressure monitoring device for gas detection according to the present invention;

fig. 3 is a schematic structural diagram of a seal cushion block of a pressure monitoring device for gas detection according to the present invention;

fig. 4 is a schematic structural diagram of a reinforcing member of the pressure monitoring device for gas detection according to the present invention.

In the figure: 1-monitoring connecting pipe, 2-air pressure sensor, 3-sensing wire, 4-control box, 5-display screen, 6-mounting plate, 7-flange, 8-reinforcing part, 801-first screw, 802-bidirectional screw sleeve, 803-spacing ring, 9-sealing sleeve, 10-auxiliary screw hole, 11-sealing cushion block, 1101-water absorbing rubber, 1102-waterproof rubber and 12-fastening screw groove.

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.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3, a pressure monitoring device for gas detection, including control box 4 and the baroceptor 2 of connecting in monitoring connecting pipe 1 upper end, be connected with sensing wire 3 between baroceptor 2 upper end and the control box 4, the front end of control box 4 is connected with

display screen

5, 4 rear ends of control box are connected with mounting panel 6, both ends all are connected with flange 7 about monitoring connecting pipe 1, threaded connection has seal cover 9 on the monitoring connecting pipe 1, the one end that baroceptor 2 was kept away from to seal cover 9 is uncovered and with flange 7 phase-match, the integration of seal cover 9 inner wall is provided with the rubber backing ring, not specially marked in the figure, seal cover 9 the inner is connected with a plurality of seal pad 11 that correspond with the flange hole.

The utility model discloses in, dig on the seal cover 9 have a plurality ofly with flange hole assorted supplementary screw 10 on the flange 7, and a plurality of supplementary screw 10 and a plurality of seal cushion 11 interval distribution.

Wherein, seal cushion block 11 includes water-absorbing rubber 1101 and waterproof rubber 1102, water-absorbing rubber 1101 and waterproof rubber 1102 fixed connection, and water-absorbing rubber 1101 and seal cover 9 inner wall fixed connection, in case the unexpected water intake of supplementary screw 10, water-absorbing rubber 1101 absorbs water the inflation, further extrudees waterproof rubber 1102, when further reinforcing the gas tightness, can effectively prevent that water from getting into flange hole corrosion connecting bolt.

The working principle is as follows: utilize connecting bolt and flange 7 to connect the device after on external breather pipe, with seal cover 9 cover in flange 7 department and screw up for seal cushion 11 tightly supports in flange hole department, improves the gas tightness of flange 7 department, reduces gas monitoring error, improves monitoring data's the degree of accuracy.

Example 2

Referring to fig. 2 and 4, in the present embodiment, compared with embodiment 1, a plurality of reinforcing members 8 are disposed between a pair of sealing sleeves 9, and a plurality of fastening screw grooves 12 matched with end portions of the reinforcing members 8 are correspondingly drilled at ends of the pair of sealing sleeves 9 close to each other. The reinforcing component 8 comprises a bidirectional threaded sleeve 802 and a pair of first screws 801, the pair of first screws 801 are connected through the bidirectional threaded sleeve 802, and the ends, far away from each other, of the pair of first screws 801 are respectively in threaded connection with the fastening screw grooves 12 on the pair of sealing sleeves 9.

The end of the first screw 801 in the bidirectional threaded sleeve 802 is connected with a limiting ring 803 matched with the end of the bidirectional threaded sleeve 802, and the bidirectional threaded sleeve 802 and the pair of first screws 801 are not easy to separate and lose.

The working principle is as follows: after the sealing sleeves 9 are connected, the end parts of the pair of first screw rods 801 which are far away from each other are respectively in threaded connection with the fastening screw grooves 12 on the pair of sealing sleeves 9, then the bidirectional screw sleeves 802 are screwed, so that the pair of first screw rods 801 are far away from each other until the bidirectional screw sleeves 802 are not screwed, and the pair of sealing sleeves 9 are not prone to accidental loosening by the aid of the reinforcing component 8.

It should be further noted that the present solution is a further improvement of the technical solution disclosed in the chinese patent publication No. CN208635981U, and the electric components and the operation principle thereof are the same as those of the prior art, and therefore are considered as the prior art already disclosed, and therefore are not described herein again.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A pressure monitoring device for gas detection comprises a control box (4) and a gas pressure sensor (2) connected with the upper end of a monitoring connecting pipe (1), a sensing line (3) is connected between the upper end of the air pressure sensor (2) and the control box (4), the front end of the control box (4) is connected with a display screen (5), the rear end of the control box (4) is connected with a mounting plate (6), the left end and the right end of the monitoring connecting pipe (1) are both connected with flanges (7), it is characterized in that a sealing sleeve (9) is connected with the monitoring connecting pipe (1) in a threaded manner, one end of the sealing sleeve (9) far away from the air pressure sensor (2) is open and matched with the flange (7), the inner wall of the sealing sleeve (9) is paved with a rubber cushion ring, and the inner end of the sealing sleeve (9) is connected with a plurality of sealing cushion blocks (11) corresponding to the flange holes.

2. The pressure monitoring device for gas detection according to claim 1, wherein the sealing sleeve (9) is provided with a plurality of auxiliary screw holes (10) matching with the flange holes of the flange (7), and the plurality of auxiliary screw holes (10) are spaced apart from the plurality of sealing pads (11).

3. The pressure monitoring device for gas detection according to claim 2, wherein the sealing pad block (11) comprises water-absorbing rubber (1101) and waterproof rubber (1102), the water-absorbing rubber (1101) is fixedly connected with the waterproof rubber (1102), and the water-absorbing rubber (1101) is fixedly connected with the inner wall of the sealing sleeve (9).

4. The pressure monitoring device for gas detection according to claim 1, wherein a plurality of reinforcing members (8) are provided between a pair of sealing sleeves (9), and a plurality of fastening screw grooves (12) matching with the end portions of the reinforcing members (8) are correspondingly cut at the ends of the pair of sealing sleeves (9) close to each other.

5. The pressure monitoring device for gas detection according to claim 4, wherein the reinforcing member (8) includes a two-way threaded sleeve (802) and a pair of first screws (801), the pair of first screws (801) are connected by the two-way threaded sleeve (802), and the ends of the pair of first screws (801) that are far away from each other are respectively in threaded connection with fastening threaded grooves (12) on a pair of sealing sleeves (9).

6. The pressure monitoring device for gas detection according to claim 5, wherein a limiting ring (803) matched with the end of the bidirectional screw sleeve (802) is connected to the end of the first screw (801) located in the bidirectional screw sleeve (802).