CN219418255U

CN219418255U - Auxiliary mechanism for calibrating gas alarm

Info

Publication number: CN219418255U
Application number: CN202320575863.6U
Authority: CN
Inventors: 余贤春; 王红霞; 蔡文革; 林鸿城; 魏树杰; 张正平
Original assignee: Fujian Huake Measurement And Testing Co ltd
Current assignee: Fujian Huake Measurement And Testing Co ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-07-25
Anticipated expiration: 2033-03-22

Abstract

The utility model discloses an auxiliary mechanism for calibrating a gas alarm, which comprises a support frame, wherein a detection chamber is arranged on the inner wall of one side of the support frame, a storage chamber is arranged on the inner wall of one side of the support frame, a recovery box is arranged on the inner wall of the bottom of the support frame, a first connecting pipe is fixedly connected to the top of the detection chamber, a shell is fixedly connected to the outer side of the first connecting pipe, the shell is communicated with the first connecting pipe, a first sealing ring and a second sealing ring are arranged in the shell, and pull rods are fixedly connected to one sides of the first sealing ring and the second sealing ring in opposite directions. The utility model can not only tightly seal the detection head of the gas alarm, avoid gas leakage and improve the sealing effect of the calibration auxiliary mechanism, but also further improve the sealing effect of the calibration auxiliary mechanism, and can also enable the placement of the calibration auxiliary mechanism to be more stable and improve the placement stability of the calibration auxiliary mechanism.

Description

Auxiliary mechanism for calibrating gas alarm

Technical Field

The utility model relates to the technical field of gas alarm calibration, in particular to a gas alarm calibration auxiliary mechanism.

Background

The gas alarm is a gas leakage detection alarm instrument, and when the gas alarm detects that the gas concentration reaches the critical point set by the explosion or poisoning alarm, the alarm can send an alarm signal to remind the work to take safety measures.

Through retrieving, chinese patent with publication number CN213042423U discloses a flammable gas alarm calibrating device, including the calibration box, the bottom fixed mounting of calibration box has the base, the lower extreme fixed mounting of base has the telescopic link, upper end one side of calibration box is provided with the spacing groove, the inside of calibration box is provided with calibration mechanism, nevertheless still has following defect, and its calibration mechanism is not closely enough with gas alarm junction seal, leads to gas leakage diffusion.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an auxiliary mechanism for calibrating a gas alarm.

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

the utility model provides a gas alarm calibration auxiliary mechanism, includes the support frame, one side inner wall of support frame is equipped with the detection room, one side inner wall of support frame is equipped with the storage room, the bottom inner wall of support frame is equipped with the collection box, the top fixedly connected with first connecting pipe of detection room, the outside fixedly connected with casing of first connecting pipe, and the casing is linked together with first connecting pipe, be equipped with first sealing ring and second sealing ring in the casing, the equal fixedly connected with pull rod in one side of first sealing ring and the opposite direction of second sealing ring, the casing fixedly connected with baffle is passed to one end of pull rod, the outside of pull rod is equipped with the spring, and the both ends of spring are fixed mutually with casing and baffle respectively, be equipped with first sealing washer in the first connecting pipe.

As a still further proposal of the utility model, the inner walls of the two sides of the shell are fixedly connected with second sealing rings, and the pull rod passes through the second sealing rings.

As a still further aspect of the present utility model, a gas concentration sensor is provided on an inner wall of one side of the detection chamber.

As a still further aspect of the present utility model, the detection chamber and the recovery tank are connected by a pipe.

As a still further scheme of the utility model, a second connecting pipe is fixedly connected between the detection chamber and the storage chamber.

As a still further scheme of the utility model, an electromagnetic valve is arranged on the outer side of the second connecting pipe.

As a still further proposal of the utility model, the outer walls of the two sides of the supporting frame are fixedly connected with handles.

As a still further proposal of the utility model, the outer wall of the bottom of the supporting frame is fixedly connected with a plurality of feet, and the bottoms of the feet are fixedly connected with anti-skid pads.

The beneficial effects of the utility model are as follows:

1. through the cooperation of first sealing ring, second sealing ring and first sealing washer is used, press the baffle, make the pull rod promote first sealing ring and second sealing ring and remove and extrude the spring, after first sealing ring and second sealing ring align, gas alarm's detection head inserts in the first connecting pipe and contact with first sealing washer, first sealing washer can seal between first connecting pipe and the detection head this moment, loosen the baffle simultaneously, can stimulate first sealing ring and second sealing ring and carry out the removal of opposite direction under the effort of spring this moment, thereby make first sealing ring and second sealing ring carry out secondary seal to detection head, avoid gas leakage, calibration assist mechanism's sealed effect has been improved.

2. Through the setting of second sealing washer, the pull rod passes casing and second sealing washer, and the second sealing washer can seal the position that the pull rod passed casing department, avoids gas to leak here, has further improved calibration auxiliary mechanism's sealed effect.

3. Through the setting of footing, place the alignment auxiliary mechanism behind subaerial, the slipmat on the footing can contact with ground, and the slipmat can increase the frictional force between footing and the ground this moment, makes the alignment auxiliary mechanism more stable of placing, has improved the stability that alignment auxiliary mechanism placed.

Drawings

FIG. 1 is a schematic perspective view of an auxiliary mechanism for calibrating a gas alarm according to the present utility model;

FIG. 2 is a schematic diagram of a cross-sectional structure of a detection chamber of a calibration assistance mechanism for a gas alarm according to the present utility model;

fig. 3 is an enlarged schematic view of a portion a of an auxiliary mechanism for calibrating a gas alarm according to the present utility model.

In the figure: 1. a housing; 2. a first connection pipe; 3. a handle; 4. a detection chamber; 5. a support frame; 6. a footing; 7. a recovery box; 8. a storage chamber; 9. a second connection pipe; 10. an electromagnetic valve; 11. a gas concentration sensor; 12. a first seal ring; 13. a second seal ring; 14. a first seal ring; 15. a pull rod; 16. a baffle; 17. a spring; 18. and a second sealing ring.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of the present utility model.

Referring to fig. 1-3, a gas alarm calibration auxiliary mechanism comprises a supporting frame 5, a detection chamber 4 is arranged on one side inner wall of the supporting frame 5, a storage chamber 8 is arranged on one side inner wall of the supporting frame 5, a recovery box 7 is arranged on the bottom inner wall of the supporting frame 5, a first connecting pipe 2 is welded at the top of the detection chamber 4, a shell 1 is welded at the outer side of the first connecting pipe 2, the shell 1 is communicated with the first connecting pipe 2, a first sealing ring 12 and a second sealing ring 13 are arranged in the shell 1, a pull rod 15 is welded at one side of the first sealing ring 12 and one side of the second sealing ring 13 in opposite directions, a baffle 16 is welded at one end of the pull rod 15 through the shell 1, a spring 17 is arranged at the outer side of the pull rod 15, two ends of the spring 17 are respectively fixed with the shell 1 and the baffle 16, a first sealing ring 14 is arranged in the first connecting pipe 2, two baffles 16 are pressed, the two baffles 16 can push the two pull rods 15 to move respectively and squeeze the springs 17, the two pull rods 15 can push the first sealing ring 12 and the second sealing ring 13 to move in opposite directions respectively, after the first sealing ring 12 and the second sealing ring 13 are aligned, the detection head of the gas alarm is inserted into the first connecting pipe 2 and is contacted with the first sealing ring 14, at the moment, the first sealing ring 14 can seal between the first connecting pipe 2 and the detection head, then the baffles 16 are loosened, at the moment, the pull rods 15 can reset through the acting force of the springs 17, and meanwhile, the first sealing ring 12 and the second sealing ring 13 can be pulled to move in opposite directions, so that the first sealing ring 12 and the second sealing ring 13 can seal the detection head for the second time, gas leakage is avoided, and the sealing effect of the calibration auxiliary mechanism is improved.

According to the utility model, the second sealing rings 18 are adhered to the inner walls of the two sides of the shell 1, the pull rod 15 passes through the second sealing rings 18, the pull rod 15 passes through the shell 1 and the second sealing rings 18, the second sealing rings 18 can seal the positions of the pull rod 15 passing through the shell 1, gas leakage is avoided, the sealing effect of the calibration auxiliary mechanism is further improved, the gas concentration sensor 11 is arranged on the inner wall of one side of the detection chamber 4, the detection chamber 4 is connected with the recovery box 7 through a pipeline, the second connecting pipe 9 is welded between the detection chamber 4 and the storage chamber 8, the electromagnetic valve 10 is arranged on the outer side of the second connecting pipe 9, the handles 3 are fixed on the outer walls of the two sides of the support frame 5 through bolts, a worker can lift the calibration auxiliary mechanism through the handles 3, the positions are replaced, the bottoms of the support frame 5 are fixed with the plurality of feet 6 through the bolts, the bottoms of the feet 6 are adhered with anti-skidding pads, the anti-skidding pads on the feet 6 are contacted with the ground at the moment after the calibration auxiliary mechanism is placed on the ground, friction force between the feet 6 and the ground is increased, the ground, the positioning auxiliary mechanism is enabled to be more stable, and the placement stability of the calibration auxiliary mechanism is improved.

Working principle: when the gas alarm is required to be used, the two baffles 16 are pressed, the two baffles 16 respectively push the two pull rods 15 to move and press the spring 17, the two pull rods 15 respectively push the first sealing ring 12 and the second sealing ring 13 to move in opposite directions, after the first sealing ring 12 and the second sealing ring 13 are aligned, the detection head of the gas alarm is inserted into the first connecting pipe 2 and is contacted with the first sealing ring 14, at the moment, the first sealing ring 14 seals between the first connecting pipe 2 and the detection head, then the baffles 16 are loosened, at the moment, the pull rods 15 are reset through the acting force of the spring 17, and meanwhile, the first sealing ring 12 and the second sealing ring 13 are pulled to move in opposite directions, so that the first sealing ring 12 and the second sealing ring 13 are used for secondarily sealing the detection head, gas leakage is avoided, and the sealing effect of the calibration auxiliary mechanism is improved.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, it may be a mechanical connection; either directly or indirectly via an intermediary. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

Claims

1. The utility model provides a gas alarm calibrates auxiliary mechanism, includes support frame (5), one side inner wall of support frame (5) is equipped with detects room (4), one side inner wall of support frame (5) is equipped with storage room (8), the bottom inner wall of support frame (5) is equipped with recovery case (7), a serial communication port, the top fixedly connected with first connecting pipe (2) of detection room (4), the outside fixedly connected with casing (1) of first connecting pipe (2), and casing (1) are linked together with first connecting pipe (2), be equipped with first sealing ring (12) and second sealing ring (13) in casing (1), one side of first sealing ring (12) and second sealing ring (13) opposite direction is equal fixedly connected with pull rod (15), one end of pull rod (15) passes casing (1) fixedly connected with baffle (16), the outside of pull rod (15) is equipped with spring (17), and the both ends of spring (17) are fixed with casing (1) and baffle (16) respectively, be equipped with first sealing ring (14) in the first connecting pipe (2).

2. A gas alarm calibration assistance mechanism according to claim 1, wherein the inner walls of the two sides of the housing (1) are fixedly connected with second sealing rings (18), and the pull rod (15) passes through the second sealing rings (18).

3. A gas alarm calibration assistance mechanism according to claim 1, characterized in that the inner wall of one side of the detection chamber (4) is provided with a gas concentration sensor (11).

4. A gas alarm calibration assistance mechanism according to claim 1, characterised in that the detection chamber (4) and the recovery tank (7) are connected by a pipe.

5. A gas alarm calibration assistance mechanism according to claim 1, characterised in that a second connection pipe (9) is fixedly connected between the detection chamber (4) and the storage chamber (8).

6. A gas alarm calibration assistance mechanism according to claim 5, characterised in that the outside of the second connection tube (9) is provided with a solenoid valve (10).

7. The auxiliary mechanism for calibrating the gas alarm according to claim 1, wherein handles (3) are fixedly connected to the outer walls of the two sides of the supporting frame (5).

8. The auxiliary mechanism for calibrating the gas alarm according to claim 7, wherein a plurality of feet (6) are fixedly connected to the outer wall of the bottom of the supporting frame (5), and anti-slip pads are fixedly connected to the bottoms of the plurality of feet (6).