CN218939056U

CN218939056U - Toxic gas alarm

Info

Publication number: CN218939056U
Application number: CN202222809301.1U
Authority: CN
Inventors: 刘乐华; 陈明; 曾红坡
Original assignee: Hangzhou Wanhong Testing Technology Co ltd
Current assignee: Hangzhou Wanhong Testing Technology Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-04-28
Anticipated expiration: 2032-10-24

Abstract

The utility model relates to the technical field of alarms, in particular to a toxic gas alarm which comprises a main body, a screw rod and a sealing ring, wherein an air inlet pipe is arranged at one side and the top of the main body, an adapter block is arranged at one end of the air inlet pipe, which is far away from the main body, the inner side of the adapter block is provided with the sealing ring, the back of the main body is provided with a back shell, the top of the back shell is provided with a handle, one end of the handle, which is close to the back shell, is provided with a movable rod, the adapter block is selectively connected according to the position of an air inlet, when a pipeline is connected to the adapter block, the sealing ring and the sealing ring ensure the tightness between the pipeline and the adapter block, and meanwhile, the sealing ring and the sealing ring are arranged so that the gas can not leak when being input into a device, thereby improving the safety.

Description

Toxic gas alarm

Technical Field

The utility model relates to the technical field of alarms, in particular to a toxic gas alarm.

Background

Toxic gas alarms for detecting toxic gases in the atmosphere, the concentration being expressed in ppm (parts per million) and the oxygen being expressed in% VOL. The electrochemical or infrared sensor with high industrial reliability is adopted, so that the electrochemical or infrared sensor has the characteristics of high stability and no maintenance, and represents the high technical development level. The toxic gas alarm has 3 preset alarm points which can be modified by a program and respectively correspond to 3 LED indicator lamps. Another 2 LED lights indicate a fault and power up. The output of the detector is 4-20mA, and one contact relay output corresponds to alarm/fault. Still include 3 relay output's optional expansion cards, when poisonous gas alarm butt joint gas piping, mechanical connection can lead to the junction not inseparable, often leaves the gap, and then causes poisonous gas to leak, seriously can influence workman life safety even, and when the device is installed, the installation hole groove that can not adjust is difficult to dock different installation wall or pipeline, makes the application range of device narrow, difficult installation.

Disclosure of Invention

Aiming at the problems existing in the prior art, a toxic gas alarm is provided.

The specific technical scheme is as follows:

the utility model provides a poisonous gas alarm, includes main part, lead screw and sealing washer, one side and the top of main part are equipped with the intake pipe, the intake pipe is kept away from the one end of main part is equipped with the joint piece, the joint piece inboard is equipped with the sealing washer, the main part back is equipped with the backshell, backshell top is equipped with the handle, the handle is close to the one end of backshell is equipped with the movable rod, movable rod bottom fixed connection the lead screw, be equipped with the slider on the lead screw, be equipped with first movable rod on the slider, the slider is kept away from one side of first movable rod is equipped with the second movable rod, first movable rod with the second movable rod is kept away from the one end of lead screw is equipped with the movable block, the movable block is kept away from the one end of lead screw is equipped with the rack.

Preferably, the connecting block is penetrated by the air inlet pipe, a sealing ring is arranged at the joint of the connecting block and the air inlet pipe, and the sealing ring is connected with the sealing ring and the connecting block in a jogged mode.

Preferably, the first movable rod and the second movable rods are symmetrically arranged, and the two first movable rods and the two second movable rods are in a parallelogram shape with movable joints.

Preferably, a limiting block is arranged at the bottom of the screw rod, the sliding block is penetrated by the screw rod, threads are arranged at the penetrated part, and the sliding block and the screw rod are movably connected through the threads.

Preferably, the moving rod penetrates through the joint of the first movable rod and the second movable rod and is movably connected with the first movable rod and the second movable rod.

Preferably, the first movable rod and the second movable rod are movably connected with the movable block through a connecting piece.

Preferably, the rack is fixedly connected with the movable block through a fastener, fixing holes are formed in the rack, and the fixing holes are equidistantly arranged on the rack.

The technical scheme has the following advantages or beneficial effects:

1. according to the joint piece of air inlet position selection connection, when pipe connection is on the joint piece, sealing ring and sealing washer guarantee the leakproofness between pipeline and the joint piece, can not reveal when setting up sealing ring and sealing washer simultaneously and can make gas input device in, improve the security.

2. When installation device, twist grip makes the carriage release lever drive the lead screw rotatory, and then makes the slider reciprocate, promotes the movable block outside and removes to the backshell, can make the rack stretch out the backshell, can drive slider and first movable rod, second movable rod through the lead screw and remove, and the lead screw enables its more accurate easy control when removing, more is convenient for install the location.

3. When the rack moves to the appropriate position, the rotating handle is stopped, the fastening piece penetrates through the fixing hole, the device is fixed, the movable block is pushed outwards when the first movable rod and the second movable rod are contracted, the rack is moved, the length of the rack is convenient to adjust, and meanwhile, the fixing holes can meet different installation requirements, so that the device is more convenient to install.

Drawings

Embodiments of the present utility model will now be described more fully with reference to the accompanying drawings. The drawings, however, are for illustration and description only and are not intended as a definition of the limits of the utility model.

FIG. 1 is a schematic diagram of the front face of a toxic gas alarm according to the present utility model;

FIG. 2 is a schematic view of the back of a toxic gas alarm according to the present utility model;

FIG. 3 is a schematic view of the movable components in the toxic gas alarm according to the present utility model;

fig. 4 is a schematic structural diagram of an air inlet pipe of a toxic gas alarm according to the present utility model.

The above reference numerals denote: the novel air conditioner comprises a main body 1, a rear shell 2, a rack 3, an air inlet pipe 4, a handle 5, a sealing ring 6, a connecting block 7, a moving rod 8, a sealing ring 9, a fixed hole 10, a moving block 11, a first moving rod 12, a limiting block 13, a sliding block 14, a screw rod 15 and a second moving rod 16.

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.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.

Referring to fig. 1-4, a toxic gas alarm, including main part 1, lead screw 15 and sealing washer 9, one side and the top of main part 1 are equipped with intake pipe 4, the one end that main part 1 was kept away from to intake pipe 4 is equipped with joint piece 7, joint piece 7 inboard is equipped with sealing washer 9, main part 1 back is equipped with backshell 2, backshell 2 top is equipped with handle 5, the one end that handle 5 is close to backshell 2 is equipped with movable rod 8, movable rod 8 bottom fixed connection lead screw 15, be equipped with slider 14 on the lead screw 15, be equipped with first movable rod 12 on the slider 14, one side that slider 14 kept away from first movable rod 12 is equipped with second movable rod 16, one end that lead screw 15 was kept away from to first movable rod 12 and second movable rod 16 is equipped with movable block 11, the one end that movable block 11 kept away from lead screw 15 is equipped with rack 3, set up a plurality of intake pipes 4 can enlarge the application range of device, can carry out multi-angle multi-channel simultaneous access, can drive slider and first movable rod 12, second movable rod 16 remove, lead screw 15 can make it more accurate control when moving, more convenient for the device location.

Further, the connection block 7 is penetrated by the air inlet pipe 4, the sealing ring 6 is arranged at the joint of the connection block 7 and the air inlet pipe, the sealing ring 6 is connected with the sealing ring 9 and the connection block 7 in a jogged mode, and meanwhile the sealing ring 6 and the sealing ring 9 are arranged so that leakage cannot occur when the air input device is arranged, and safety is improved.

Further, the first movable rod 12 and the second movable rod 16 are symmetrically arranged, the two first movable rods 12 and the two second movable rods 16 are in a parallelogram shape with movable joints, and the two movable rods are movably arranged to realize the effect of driving movement by the sliding block 14.

Further, the bottom of the screw rod 15 is provided with a limiting block 13, the sliding block 14 is penetrated by the screw rod 15, threads are arranged at the penetrated part, the sliding block 14 and the screw rod are movably connected through the threads, the sliding block 14 can be driven to move with the first movable rod 12 and the second movable rod 16 through the screw rod 15, and the screw rod 15 can enable the sliding block to be more accurate and easy to control during movement.

Further, the moving rod 8 penetrates through the joint of the first moving rod 12 and the second moving rod 16 and is movably connected with the first moving rod and the second moving rod, and the moving rod 8 can cooperate with the screw rod 15 to move the sliding block 14, so that the contraction and expansion actions of the first moving rod 12 and the second moving rod 16 are completed.

Further, the first movable rod 12 and the second movable rod 16 are movably connected with the movable block 11 through the connecting piece, and the movable block 11 can be pushed outwards by the movable connection with the movable block 11 when the first movable rod 12 and the second movable rod 16 shrink, so that the rack 3 moves in position, and the length of the rack 3 can be conveniently adjusted.

Further, the rack 3 is fixedly connected with the movable block 11 through a fastener, the rack 3 is provided with fixing holes 10, the fixing holes 10 are equidistantly arranged on the rack 3, and a plurality of fixing holes 10 can meet different installation requirements and are more convenient to install.

Working principle: when the device is used, the main body 1 is placed at a position to be installed, then the connecting block 7 is selectively connected according to the position of the air inlet, when the pipeline is connected to the connecting block 7, the sealing ring 6 and the sealing ring 9 ensure the tightness between the pipeline and the connecting block 7, when the device is installed, the handle 5 is rotated, the moving rod 8 drives the screw rod 15 to rotate, the sliding block 14 is further moved upwards, the first moving rod 12 and the second moving rod 16 are driven to retract upwards, the moving block 11 is pushed to move outwards of the rear shell 2, the rack 3 can extend out of the rear shell 2, when the rack moves to a proper position, the rotating handle 5 is stopped, and the device is fixed by using the fastening piece to penetrate through the fixing hole 10.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims

1. A toxic gas alarm, characterized in that: including main part (1), lead screw (15) and sealing washer (9), one side and the top of main part (1) are equipped with intake pipe (4), intake pipe (4) are kept away from the one end of main part (1) is equipped with joint piece (7), joint piece (7) inboard is equipped with sealing washer (9), main part (1) back is equipped with backshell (2), backshell (2) top is equipped with handle (5), handle (5) are close to the one end of backshell (2) is equipped with movable rod (8), movable rod (8) bottom fixed connection lead screw (15), be equipped with slider (14) on lead screw (15), be equipped with first movable rod (12) on slider (14), slider (14) are kept away from one side of first movable rod (12) is equipped with second movable rod (16), first movable rod (12) with one end that second movable rod (16) kept away from lead screw (15) is equipped with movable block (11), movable rod (11) are kept away from one end (15) is equipped with rack (3).

2. A toxic gas alarm according to claim 1, wherein: the connecting block (7) is penetrated by the air inlet pipe (4), a sealing ring (6) is arranged at the joint of the connecting block and the air inlet pipe, and the sealing ring (6) is in embedded connection with the sealing ring (9) and the connecting block (7).

3. A toxic gas alarm according to claim 1, wherein: the first movable rods (12) and the second movable rods (16) are symmetrically arranged, and the two first movable rods (12) and the two second movable rods (16) are in a parallelogram shape with movable joints.

4. A toxic gas alarm according to claim 1, wherein: the screw rod (15) bottom is equipped with stopper (13), slider (14) by screw rod (15) runs through, is equipped with the screw thread by the department that runs through, and both pass through screw thread swing joint.

5. A toxic gas alarm according to claim 1, wherein: the movable rod (8) penetrates through the joint of the first movable rod (12) and the second movable rod (16) and is movably connected with the first movable rod and the second movable rod.

6. A toxic gas alarm according to claim 1, wherein: the first movable rod (12) and the second movable rod (16) are movably connected with the movable block (11) through a connecting piece.

7. A toxic gas alarm according to claim 1, wherein: the rack (3) is fixedly connected with the movable block (11) through a fastener, fixing holes (10) are formed in the rack (3), and the fixing holes (10) are equidistantly arranged on the rack (3).