CN220491411U

CN220491411U - Calibration assembly frame

Info

Publication number: CN220491411U
Application number: CN202321885919.4U
Authority: CN
Inventors: 丁亚军
Original assignee: Tianjin Anxin Huarui Technology Co ltd
Current assignee: Tianjin Anxin Huarui Technology Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-02-13
Anticipated expiration: 2033-07-18

Abstract

The utility model relates to the technical field of flammable gas calibration, in particular to a calibration assembly frame, which comprises a flammable gas alarm, a calibration box, an air inlet pipe, a standard air cylinder and an air outlet pipe, wherein the calibration box is arranged below the flammable gas alarm, the left side of the calibration box is fixedly connected with the air outlet pipe, the right side of the calibration box is fixedly connected with the air inlet pipe, and the right side of the air inlet pipe is connected with the standard air cylinder. The utility model is provided with a first hinge support, a second hinge support, a first fixing plate, a second fixing plate, a fixing screw and a rotating nut; the right calibration box is tightly attached to the air sensor, the left calibration box is rotated, the first rubber pad is tightly attached to the second rubber pad, the fixing screw penetrates through the first fixing plate and the second fixing plate, the groove on the left side of the first fixing plate limits the rotation of the fixing screw, the screw cap is tightly rotated by rotating the rotary handle, and therefore quick installation and disassembly of the calibration box are achieved, cost is saved, operation is simplified, and use is convenient.

Description

Calibration assembly frame

Technical Field

The utility model relates to the technical field of flammable gas calibration, in particular to a calibration assembly frame.

Background

The combustible gas alarm is also called a gas leakage detection alarm instrument. When the combustible gas in the industrial environment and the daily living environment leaks, the combustible gas alarm detects that the concentration of the combustible gas reaches the alarm value set by the alarm, the combustible gas alarm can send out sound and light alarm signals so as to remind the safety measures such as personnel evacuation, forced air exhaust, equipment shutdown and the like.

However, the existing calibration frame is troublesome to install, inconvenient to detect, and incapable of repeatedly performing multiple measurements, so that a calibration frame is needed to solve the above problems.

Disclosure of Invention

In order to overcome the technical problems, the utility model aims to provide a calibration assembly frame so as to solve the problem that the calibration assembly frame provided in the background art is inconvenient to install.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mark group frame, includes combustible gas alarm, marks case, intake pipe, standard gas cylinder and outlet duct, the below of combustible gas alarm is installed and is marked the case, the left side fixed connection outlet duct of demarcating the case, the right side fixed connection intake pipe of demarcating the case, the right side of intake pipe is connected with standard gas cylinder.

Preferably, the combustible gas alarm comprises an air sensor, a display screen and an alarm lamp, wherein the bottom of the combustible gas alarm is fixedly connected with the air sensor, the top of the combustible gas alarm is fixedly connected with the display screen, and the right side of the combustible gas alarm is fixedly connected with the alarm lamp.

Preferably, the calibration box comprises a first hinge support, a rotating shaft, a second hinge support, a first rubber pad, a second rubber pad, a first fixing plate and a second fixing plate, the calibration box is divided into a left part and a right part, the top of the calibration box is fixedly connected with the first hinge support, the first hinge support is rotationally connected with the rotating shaft, the second hinge support is rotationally connected with the rotating shaft, and the right part of the calibration box is fixedly connected with the second hinge support.

Preferably, the right side of the calibration box on the left side is fixedly connected with a first rubber pad, the left side of the calibration box on the right side is fixedly connected with a second rubber pad, the front side of the calibration box on the left side is fixedly connected with a first fixing plate, the front side of the calibration box on the right side is fixedly connected with a second fixing plate, and the left side of the first fixing plate is in sliding connection with a fixing screw.

Preferably, the fixing screw comprises a hexagonal screw head, a cylinder and a threaded column, the rotary nut comprises a threaded cap and a rotary handle, a hexagonal groove is formed in the left side of the first fixing plate, and the hexagonal groove of the first fixing plate is matched with the hexagonal screw head.

Preferably, the right side fixed connection cylinder of hexagonal screw head, the right side fixed connection screw thread post of cylinder, cylinder sliding connection fixed plate two, screw thread post threaded connection screw cap, the outside fixed connection rotatory handle of screw cap.

Preferably, the air outlet pipe is provided with an air outlet valve, the air inlet pipe is provided with an air inlet valve, the right side of the air inlet pipe is fixedly connected with a rubber ring, the right side of the air inlet pipe is provided with a standard air bottle, and the left side of the standard air bottle is provided with a pressure valve.

Compared with the prior art, the utility model has the beneficial effects that:

1. the calibration assembly frame is provided with a first hinge support, a second hinge support, a first fixing plate, a second fixing plate, a fixing screw and a rotating nut; the right calibration box is tightly attached to the air sensor, the left calibration box is rotated, the first rubber pad is tightly attached to the second rubber pad, the fixing screw penetrates through the first fixing plate and the second fixing plate, the groove on the left side of the first fixing plate limits the rotation of the fixing screw, the screw cap is tightly rotated by rotating the rotary handle, and therefore quick installation and disassembly of the calibration box are achieved, cost is saved, operation is simplified, and use is convenient.

2. This mark group frame is provided with rubber pad one, rubber pad two and rubber circle, increases the gas tightness between intake pipe and the standard gas cylinder through the rubber circle, and rotatory handle changes screw cap tightly, makes rubber pad one extrude rubber pad two, guarantees the gas tightness in the mark case, prevents the leakage of combustible gas, has guaranteed the accuracy of demarcating the combustible gas alarm.

Drawings

FIG. 1 is a schematic front view of the present utility model in use;

FIG. 2 is a schematic front view of the present utility model;

FIG. 3 is a schematic back view of the present utility model;

FIG. 4 is a schematic diagram of the explosive structure of the calibration box of the present utility model;

FIG. 5 is a schematic view of a set screw according to the present utility model.

In the figure: 1. a flammable gas alarm; 11. an air sensor; 12. a display screen; 13. an alarm lamp; 2. a calibration box; 21. a hinge support I; 22. a rotating shaft; 23. a hinge support II; 24. a first rubber pad; 25. a second rubber pad; 26. a first fixing plate; 27. a second fixing plate; 3. a set screw; 31. a hexagonal screw head; 32. a cylinder; 33. a threaded column; 4. rotating the nut; 41. a threaded cap; 42. rotating the grip; 5. an air inlet pipe; 51. an intake valve; 52. a rubber ring; 6. a standard gas cylinder; 61. a pressure valve; 7. an air outlet pipe; 71. and an air outlet valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the utility model provides a mark group frame, includes combustible gas alarm 1, marks case 2, intake pipe 5, standard gas cylinder 6 and outlet duct 7, and the below of combustible gas alarm 1 is installed and is markd case 2, marks the left side fixed connection outlet duct 7 of case 2, marks the right side fixed connection intake pipe 5 of case 2, and the right side of intake pipe 5 is connected with standard gas cylinder 6.

The combustible gas alarm 1 comprises an air sensor 11, a display screen 12 and an alarm lamp 13, wherein the bottom of the combustible gas alarm 1 is fixedly connected with the air sensor 11, the top of the combustible gas alarm 1 is fixedly connected with the display screen 12, the right side of the combustible gas alarm 1 is fixedly connected with the alarm lamp 13, and when the combustible gas reaches a threshold value, the alarm lamp 13 is lightened.

The calibration box 2 comprises a first hinge support 21, a rotating shaft 22, a second hinge support 23, a first rubber pad 24, a second rubber pad 25, a first fixing plate 26 and a second fixing plate 27, the calibration box 2 is divided into a left calibration box and a right calibration box, the top of the left calibration box 2 is fixedly connected with the first hinge support 21, the first hinge support 21 is rotationally connected with the rotating shaft 22, the rotating shaft 22 is rotationally connected with the second hinge support 23, the top of the right calibration box 2 is fixedly connected with the second hinge support 23, and the rotation of the calibration box 2 is realized through the first hinge support 21, the rotating shaft 22 and the second hinge support 23.

The right side of the left calibration box 2 is fixedly connected with a first rubber pad 24, the left side of the right calibration box 2 is fixedly connected with a second rubber pad 25, the front side of the left calibration box 2 is fixedly connected with a first fixing plate 26, the front side of the right calibration box 2 is fixedly connected with a second fixing plate 27, the left side of the first fixing plate 26 is slidingly connected with a fixing screw 3, the right calibration box 2 is tightly attached to the air sensor 11, and the left calibration box 2 is rotated to enable the first rubber pad 24 to be tightly attached to the second rubber pad 25.

The fixing screw 3 comprises a hexagonal screw head 31, a cylinder 32 and a threaded column 33, the rotary nut 4 comprises a threaded cap 41 and a rotary handle 42, a hexagonal groove is formed in the left side of the first fixing plate 26, and the hexagonal groove of the first fixing plate 26 is matched with the hexagonal screw head 31.

The right side of the hexagonal screw head 31 is fixedly connected with the cylinder 32, the right side of the cylinder 32 is fixedly connected with the threaded column 33, the cylinder 32 is in sliding connection with the second fixing plate 27, the threaded column 33 is in threaded connection with the threaded cap 41, the outer side of the threaded cap 41 is fixedly connected with the rotary handle 42, the fixing screw 3 penetrates through the first fixing plate 26 and the second fixing plate 27, the groove on the left side of the first fixing plate 26 limits the rotation of the fixing screw 3, and the rotary handle 42 rotates the threaded cap 41 tightly.

The outlet duct 7 is installed the air outlet valve 71, and air inlet valve 51 is installed to intake pipe 5, and the right side fixed connection rubber circle 52 of intake pipe 5, standard gas cylinder 6 is installed on the right side of intake pipe 5, and pressure valve 61 is installed in the left side of standard gas cylinder 6, packs into the combustible gas of waiting to detect in standard gas cylinder 6, connects standard gas cylinder 6 to intake pipe 5, increases the gas tightness through rubber circle 52, guarantees that combustible gas can not reveal.

Working principle:

when the gas alarm device is used, combustible gas to be detected is filled into the standard gas cylinder 6, the standard gas cylinder 6 is connected to the gas inlet pipe 5, the gas tightness is increased through the rubber ring 52, the combustible gas is guaranteed not to leak, the right calibration box 2 is tightly attached to the air sensor 11, the left calibration box 2 is rotated to enable the first rubber pad 24 to be tightly attached to the second rubber pad 25, the fixing screw 3 passes through the first fixing plate 26 and the second fixing plate 27, the groove on the left side of the first fixing plate 26 limits the rotation of the fixing screw 3, the screw cap 41 is rotated to tightly rotate the rotary handle 42, the first rubber pad 24 presses the second rubber pad 25, the gas tightness in the calibration box 2 is guaranteed, the leakage of the combustible gas is prevented, the gas inlet valve 51 is opened, the combustible gas is slowly put in, when the threshold value is reached, the alarm lamp 13 is lightened, the gas inlet valve 51 is closed, the gas outlet valve 71 is opened, the test can be repeatedly carried out for a plurality of times, and the normal state of the combustible gas alarm device 1 can be confirmed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a mark group frame, includes combustible gas alarm (1), marks case (2), fixed screw (3), swivel nut (4), intake pipe (5), standard gas cylinder (6) and outlet duct (7), its characterized in that: the gas alarm is characterized in that a calibration box (2) is arranged below the combustible gas alarm (1), the left side of the calibration box (2) is fixedly connected with a gas outlet pipe (7), the right side of the calibration box (2) is fixedly connected with a gas inlet pipe (5), and the right side of the gas inlet pipe (5) is connected with a standard gas cylinder (6).

2. A calibration jig according to claim 1, wherein: the combustible gas alarm (1) comprises an air sensor (11), a display screen (12) and an alarm lamp (13), wherein the air sensor (11) is fixedly connected to the bottom of the combustible gas alarm (1), the display screen (12) is fixedly connected to the top of the combustible gas alarm (1), and the alarm lamp (13) is fixedly connected to the right side of the combustible gas alarm (1).

3. A calibration jig according to claim 1, wherein: the calibration box (2) comprises a first hinge support (21), a rotating shaft (22), a second hinge support (23), a first rubber pad (24), a second rubber pad (25), a first fixing plate (26) and a second fixing plate (27), wherein the calibration box (2) is divided into a left part and a right part, the top of the calibration box (2) is fixedly connected with the first hinge support (21), the first hinge support (21) is rotationally connected with the rotating shaft (22), the rotating shaft (22) is rotationally connected with the second hinge support (23), and the top of the right part of the calibration box (2) is fixedly connected with the second hinge support (23).

4. A calibration jig according to claim 1, wherein: the left side the right side fixed connection rubber pad one (24) of demarcating case (2), the right side the left side fixed connection rubber pad two (25) of demarcating case (2), the left side demarcating case (2) front side fixed connection fixed plate one (26), the right side demarcating case (2) front side fixed connection fixed plate two (27), the left side sliding connection fixed screw (3) of fixed plate one (26).

5. A calibration jig according to claim 3, wherein: the fixed screw (3) comprises a hexagonal screw head (31), a cylinder (32) and a threaded column (33), the rotary nut (4) comprises a threaded cap (41) and a rotary handle (42), a hexagonal groove is formed in the left side of the first fixed plate (26), and the hexagonal groove of the first fixed plate (26) is matched with the hexagonal screw head (31).

6. A calibration jig according to claim 5, wherein: the right side fixed connection cylinder (32) of hexagonal screw head (31), the right side fixed connection screw thread post (33) of cylinder (32), cylinder (32) sliding connection fixed plate two (27), screw thread cap (41) are connected to screw thread post (33) screw thread, rotatory handle (42) are connected in the outside fixed connection of screw thread cap (41).

7. A calibration jig according to claim 1, wherein: the air outlet pipe (7) is provided with an air outlet valve (71), the air inlet pipe (5) is provided with an air inlet valve (51), the right side of the air inlet pipe (5) is fixedly connected with a rubber ring (52), the right side of the air inlet pipe (5) is provided with a standard air cylinder (6), and the left side of the standard air cylinder (6) is provided with a pressure valve (61).