CN215493277U

CN215493277U - Wisdom is combustible gas detector that detectivity is high for gas engineering

Info

Publication number: CN215493277U
Application number: CN202121587675.2U
Authority: CN
Inventors: 姚旭
Original assignee: Shanghai Laidi Technology Co ltd
Current assignee: Shanghai Laidi Technology Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-01-11
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses a combustible gas detector with high detection sensitivity for intelligent gas engineering, which comprises a detector body, a protection mechanism and a limiting mechanism, wherein an air inlet pipe communicated with the detector body is arranged at the top of the detector body, a detection head communicated with the air inlet pipe is arranged at the top end of the air inlet pipe, the protection mechanism is arranged at the top of the detector body, and the limiting mechanism is arranged at the top of the detector body. According to the utility model, through the mutual matching of the rotating plate, the fixed shaft, the fixed block, the protection plate, the protection groove, the fixed plate, the pulling plate, the movable plate, the fixture block, the clamping groove, the fixed rod and the buffer spring, the detection head is protected conveniently, external dust is prevented from entering the detection head when the detection head is not used, the phenomenon that the detection data of the detector is insensitive is not accurate is avoided, the sensitivity during detection is improved, the service life of the detector is prevented from being influenced, and great convenience is brought to a user.

Description

Wisdom is combustible gas detector that detectivity is high for gas engineering

Technical Field

The utility model relates to the technical field of combustible gas detectors, in particular to a combustible gas detector with high detection sensitivity for intelligent gas engineering.

Background

The combustible gas detector is a detector responding to the concentration of single or multiple combustible gases. The combustible gas detector has two types, namely a catalytic type and an infrared optical type. The catalytic combustible gas detector utilizes the resistance change after the refractory metal platinum wire heating to survey combustible gas concentration, when combustible gas gets into the detector, arouse oxidation reaction (flameless burning) on the platinum wire surface, the heat of its production makes the temperature rise of platinum wire, and the resistivity of platinum wire just changes, but common combustible gas detector does not have the protective effect, thereby lead to external dust when detecting the head not using to enter into the inside of detecting the head easily, cause the detector easily to detect insensitive detection data inaccurate, cause the influence to the inside component of detector simultaneously easily, influence the life of detector greatly, bring very big inconvenience for the user.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a combustible gas detector with high detection sensitivity for intelligent gas engineering, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a combustible gas detector with high detection sensitivity for smart gas engineering comprises a detector body, a protection mechanism and a limiting mechanism, wherein an air inlet pipe communicated with the detector body is mounted at the top of the detector body, a detection head communicated with the air inlet pipe is mounted at the top end of the air inlet pipe, the protection mechanism is arranged at the top of the detector body, and the limiting mechanism is arranged at the top of the detector body;

the protection mechanism comprises two rotating plates, the two rotating plates are respectively arranged on the left side and the right side of the top of the detector body, fixed shafts are respectively arranged at the bottoms of the two rotating plates, which are far away from one side, the surfaces of the fixed shafts are movably connected with fixed blocks, the bottoms of the fixed blocks are fixedly connected with the top of the detector body, the tops of the two rotating plates are fixedly connected through protection plates, and protection grooves are formed in the front surfaces of the bottoms of the protection plates;

the limiting mechanism comprises two fixing plates, the number of the fixing plates is two, the fixing plates are respectively arranged on the left side and the right side of the air inlet pipe, one side, close to each other, of each fixing plate is provided with a pulling plate, one side, close to the fixing plates, of each pulling plate penetrates through the fixing plates and extends to the outside of the fixing plates, a movable plate is installed on one side, close to the rotating plates, of each pulling plate, a clamping block is installed on one side, away from the corresponding pulling plate, of each movable plate, a clamping groove is formed in the position, close to one side of the corresponding clamping block, of each rotating plate, two fixing rods are installed on one side, close to the fixing plates, of each fixing rod penetrates through the fixing plates and extends to the outside of the fixing plates, and buffer springs are sleeved on the surfaces of the fixing rods.

Preferably, the top end of the detection head penetrates through the protection groove and extends into the protection groove.

Preferably, the bottom of the fixing plate is fixedly connected with the top of the detector body.

Preferably, the bottom of the movable plate is slidably connected with the top of the detector body.

Preferably, one side of the movable plate close to the rotating plate is in contact with the rotating plate.

Preferably, one side of the clamping block, which is close to the inner wall of the clamping groove, penetrates through the clamping groove and extends to the interior of the clamping block to be in contact with the inner wall of the clamping groove.

Preferably, one side of the fixed plate, which is close to the buffer spring, is fixedly connected with the movable plate through the buffer spring.

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

according to the utility model, through the mutual matching of the rotating plate, the fixed shaft, the fixed block, the protection plate, the protection groove, the fixed plate, the pull plate, the movable plate, the fixture block, the clamping groove, the fixed rod and the buffer spring, the detection head is protected conveniently, and external dust is prevented from entering the detection head when the detection head is not used, so that the phenomenon that the detection data of the detector is not sensitive is not accurate is avoided, the sensitivity during detection is improved, the service life of the detector is prevented from being influenced, the practicability is improved, and great convenience is brought to a user.

Drawings

FIG. 1 is a structural cross-sectional view in elevation of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a sectional view showing the structure of a top view of the shield plate and the shield groove according to the present invention.

In the figure: the device comprises a detector body 1, a protection mechanism 2, a rotating plate 21, a fixed shaft 22, a fixed block 23, a protection plate 24, a protection groove 25, a limiting mechanism 3, a fixed plate 31, a pulling plate 32, a movable plate 33, a clamping block 34, a clamping groove 35, a fixed rod 36, a buffer spring 37, an air inlet pipe 4 and a detection head 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a combustible gas detector with high detection sensitivity for smart gas engineering includes a detector body 1, a protection mechanism 2 and a limiting mechanism 3, wherein the top of the detector body 1 is fixedly connected with an air inlet pipe 4 communicated with the detector body, the top end of the air inlet pipe 4 is fixedly connected with a detection head 5 communicated with the detector body, the protection mechanism 2 is arranged on the top of the detector body 1, and the limiting mechanism 3 is arranged on the top of the detector body 1.

Protection machanism 2 includes rotor plate 21, the quantity of rotor plate 21 is two and sets up the left and right sides at 1 top of detector body respectively, the equal fixedly connected with fixed axle 22 in bottom of one side is kept away from each other to two rotor plates 21, the surperficial swing joint of fixed axle 22 has fixed block 23, the bottom of fixed block 23 and the top fixed connection of detector body 1, guard plate 24 fixed connection is passed through at the top of two rotor plates 21, guard plate 24 has been seted up in the front of guard plate 24 bottom, the top of detecting head 5 runs through guard plate 25 and extends to inside it, guard plate 24 and guard plate 25, the effect of protecting detecting head 5 has been played.

The limiting mechanism 3 comprises two fixing plates 31, the two fixing plates 31 are respectively arranged on the left side and the right side of the air inlet pipe 4, the bottom of the fixing plate 31 is fixedly connected with the top of the detector body 1, one side of the two fixing plates 31 close to each other is provided with a pulling plate 32, one side of the pulling plate 32 close to the fixing plate 31 penetrates through the fixing plate 31 and extends to the outside of the fixing plate, one side of the pulling plate 32 close to the rotating plate 21 is fixedly connected with a movable plate 33, the bottom of the movable plate 33 is slidably connected with the top of the detector body 1, one side of the movable plate 33 close to the rotating plate 21 is in contact with the rotating plate 21, one side of the movable plate 33 far from the pulling plate 32 is fixedly connected with a clamping block 34, one side of the rotating plate 21 close to the clamping block 34 is provided with a clamping groove 35 corresponding to the clamping block 34, one side of the clamping block 34 close to the inner wall of the clamping groove 35 penetrates through the clamping groove 35 and extends to the inside of the clamping block 34 and contacts with the inner wall of the clamping groove 35, two fixed rods 36 are fixedly connected to one side of the movable plate 33 close to the fixed plate 31, one end of each fixed rod 36 close to the fixed plate 31 penetrates through the fixed plate 31 and extends to the outside of the fixed plate 31, a buffer spring 37 is sleeved on the surface of each fixed rod 36, one side of the fixed plate 31 close to the buffer spring 37 is fixedly connected with the movable plate 33 through the buffer spring 37, the rotary plate 21, the fixed shaft 22, the fixed block 23, the protection plate 24, the protection groove 25, the fixed plate 31, the pull plate 32, the movable plate 33, the clamping block 34, the clamping groove 35, the fixed rods 36 and the buffer spring 37 are matched with each other, so that the detection head 5 is conveniently protected, external dust is prevented from entering the detection head 5 when the detection head 5 is not used, the phenomenon that insensitive detection data of the detector is inaccurate is avoided, the sensitivity during detection is improved, the service life of the detector is prevented from being influenced, and the practicability is improved, bringing great convenience to users.

When the detection head 5 needs to be used, one hand pulls the two pulling plates 32 simultaneously, the pulling plates 32 drive the movable plate 33 to move away from the rotating plate 21, the movable plate 33 extrudes the buffer spring 37 to move, the movable plate 33 drives the clamping block 34 to be drawn out from the clamping groove 35, then the rotating plate 21 is pushed backwards, the rotating plate 21 drives the fixing shaft 22 to rotate backwards around the fixing block 23, and the rotating plate 21 drives the protection plate 24 and the protection groove 25 to move backwards, so that the protection groove 25 and the detection head 5 are separated.

In summary, the following steps: this wisdom is combustible gas detector that detectivity is high for gas engineering has solved the problem that proposes in the above-mentioned background art through the mutual cooperation of rotor plate 21, fixed axle 22, fixed block 23, guard plate 24, guard slot 25, fixed plate 31, arm-tie 32, movable plate 33, fixture block 34, draw-in groove 35, dead lever 36 and buffer spring 37.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wisdom is combustible gas detector that detectivity is high for gas engineering, includes detector body (1), protection machanism (2) and stop gear (3), its characterized in that: the top of the detector body (1) is provided with an air inlet pipe (4) communicated with the detector body, the top end of the air inlet pipe (4) is provided with a detection head (5) communicated with the air inlet pipe, the protection mechanism (2) is arranged at the top of the detector body (1), and the limiting mechanism (3) is arranged at the top of the detector body (1);

the protection mechanism (2) comprises two rotating plates (21), the two rotating plates (21) are respectively arranged on the left side and the right side of the top of the detector body (1), the bottoms of the two rotating plates (21) far away from one side are respectively provided with a fixing shaft (22), the surface of each fixing shaft (22) is movably connected with a fixing block (23), the bottom of each fixing block (23) is fixedly connected with the top of the detector body (1), the tops of the two rotating plates (21) are fixedly connected through a protection plate (24), and the front of the bottom of each protection plate (24) is provided with a protection groove (25);

the limiting mechanism (3) comprises two fixing plates (31), the two fixing plates (31) are respectively arranged at the left side and the right side of the air inlet pipe (4), one sides of the two fixing plates (31) close to each other are respectively provided with a pulling plate (32), one side of the pulling plate (32) close to the fixing plates (31) penetrates through the fixing plates (31) and extends to the outside of the fixing plates, one side of the pulling plate (32) close to the rotating plate (21) is provided with a movable plate (33), one side of the movable plate (33) far away from the pulling plate (32) is provided with a clamping block (34), one side of the rotating plate (21) close to the clamping block (34) is provided with a clamping groove (35) corresponding to the clamping block (34), one side of the movable plate (33) close to the fixing plates (31) is provided with two fixing rods (36), one ends of the fixing rods (36) close to the fixing plates (31) penetrate through the fixing plates (31) and extend to the outside of the fixing plates (31), and a buffer spring (37) is sleeved on the surface of the fixing rod (36).

2. The combustible gas detector with high detection sensitivity for intelligent gas engineering according to claim 1, wherein the combustible gas detector comprises: the top end of the detection head (5) penetrates through the protective groove (25) and extends into the protective groove.

3. The combustible gas detector with high detection sensitivity for intelligent gas engineering according to claim 2, characterized in that: the bottom of the fixing plate (31) is fixedly connected with the top of the detector body (1).

4. The combustible gas detector with high detection sensitivity for intelligent gas engineering according to claim 3, wherein the combustible gas detector comprises: the bottom of the movable plate (33) is connected with the top of the detector body (1) in a sliding mode.

5. The combustible gas detector with high detection sensitivity for intelligent gas engineering according to claim 4, wherein the combustible gas detector comprises: one side of the movable plate (33) close to the rotating plate (21) is in mutual contact with the rotating plate (21).

6. The combustible gas detector with high detection sensitivity for intelligent gas engineering according to claim 5, wherein the combustible gas detector comprises: one side of the clamping block (34) close to the inner wall of the clamping groove (35) penetrates through the clamping groove (35) and extends to the inside of the clamping block to be contacted with the inner wall of the clamping groove (35).

7. The combustible gas detector with high detection sensitivity for intelligent gas engineering according to claim 6, wherein the combustible gas detector comprises: one side of the fixed plate (31) close to the buffer spring (37) is fixedly connected with the movable plate (33) through the buffer spring (37).