CN216847681U

CN216847681U - Detector calibration cover quick replacement device

Info

Publication number: CN216847681U
Application number: CN202122809932.9U
Authority: CN
Inventors: 许凡; 吴林
Original assignee: Suzhou Hengan Testing Technology Service Co ltd
Current assignee: Suzhou Hengan Testing Technology Service Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-06-28
Anticipated expiration: 2031-11-17

Abstract

The utility model provides a quick replacement device for a detector calibration cover; the device comprises a housing and a detector, wherein one end of the housing is fixedly connected with a gas standard joint, one end of the detector is fixedly connected with a detector gas joint, the detector gas joint and the gas standard joint are fixedly connected, one side of the housing is fixedly connected with a sealing cover, one end of the sealing cover is fixedly connected with a ribbon, one end of the ribbon is fixedly connected with a ribbon end, one side of the ribbon is provided with a ribbon groove, one side of the ribbon end is rotatably connected with a clamping plate through a shaft, one end of the clamping plate is fixedly connected with a spring, the spring is fixedly connected with the ribbon end, and one side of the housing is fixedly connected with a calibration cover gas inlet joint and a calibration cover gas outlet joint; the gas calibration area is arranged in the housing, one end of the gas calibration area is fixedly connected with the airflow baffle, and the airflow baffle plates are fixedly connected to the two sides of the gas calibration area, so that the gas calibration area has the advantages that the detectors of different manufacturers can be rapidly installed and disassembled, and the sealing cover and the binding belt are used for airtight protection.

Description

Detector calibration cover quick replacement device

Technical Field

The utility model relates to the technical field of gas calibration, in particular to a quick replacement device for a calibration cover of a detector.

Background

The gas detector is an instrument for detecting the concentration of gas, the gas side view is carried out on the gas with known concentration in the production, installation, later maintenance and periodic inspection of industrial production, whether the state of the gas detector is qualified or not is judged according to the time and concentration accuracy, or the display value or the alarm value of the detector is reset; generally, in order to obtain accurate detection results, a gas detector is put into a gas concentration test box for testing, but the method needs a long time, and some installed gas detectors cannot be put into the test box for detection; therefore, the simple device of the gas calibration cover is needed to calibrate the gas detector under the scene that the gas concentration test box is inconvenient to detect; at present, the specifications of the detector calibration covers produced by different manufacturers are different, the detector calibration covers cannot be replaced mutually, and the installation is troublesome. .

Through retrieval, chinese patent publication No. CN105698837A discloses a simple calibration cover for a multi-gas detector, which comprises a main body and is characterized in that: the main body is cylindrical, an installation cavity is arranged at the top of the main body, a positioning surface is arranged in the installation cavity, an inlet interface is arranged on the side surface of the main body, and a detection cavity is arranged in the middle of the main body; the inlet interface is connected with the detection cavity through an air inlet channel; and an exhaust interface is arranged at the bottom of the detection cavity.

Aiming at the problems that a special standard gas joint is lacked, the air tightness is problematic, and quick replacement and installation cannot be carried out in the prior art; therefore, the quick change device of the calibration cover of the detector is provided.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a quick change device for a calibration cover of a detector, which solves or alleviates the technical problems in the prior art, and at least provides a useful choice.

The technical scheme of the embodiment of the utility model is realized as follows: the gas detector comprises a housing and a detector, wherein one end of the housing is fixedly connected with a gas standard connector, one end of the detector is fixedly connected with a detector gas connector, and the detector gas connector and the gas standard connector are fixedly connected.

In some embodiments, a sealing cover is fixedly connected to one side of the housing, and a binding belt is fixedly connected to one end of the sealing cover.

In some embodiments, one end of the ribbon is fixedly connected with a ribbon end, one side of the ribbon is provided with a ribbon groove, one side of the ribbon end is rotatably connected with a clamping plate through a shaft, one end of the clamping plate is fixedly connected with a spring, and the spring is fixedly connected with the ribbon end.

In some embodiments, a calibration cover air inlet joint and a calibration cover air outlet joint are fixedly connected to one side of the cover shell.

In some embodiments, a gas calibration area is formed in the housing, and the gas calibration area is connected with one end of the calibration cover gas inlet joint and one end of the calibration cover gas outlet joint.

In some embodiments, one end of the gas calibration area is fixedly connected with a gas flow baffle, and two sides of the gas calibration area are fixedly connected with gas flow clapboards.

In some embodiments, a protective cover is fixedly connected to one end of the calibration cover air inlet joint and one end of the calibration cover air outlet joint.

In some embodiments, a support plate is rotatably connected to one side of the housing through a shaft, and a fixing pin is fixedly connected to one side of the support plate.

Due to the adoption of the technical scheme, the embodiment of the utility model has the following advantages:

1. the quick replacement device of the detector calibration cover has the advantages that the threaded connection on one side of the calibration cover is provided with the gas standard connector of the detector, the detector produced by different manufacturers can be quickly installed and disassembled, the sealing cover and the ribbon are used for airtight protection, and the electrical adhesive tape is not required to be wound and wrapped, so that the operation is simple.

2. The quick replacement device for the detector calibration cover has the advantages that the airflow baffle is installed to prevent the excessive high flow rate of some gases from directly impacting the probe of the detector, so that the error and damage of the detector occur in the calibration result, and the airflow baffle prevents the gas from bypassing the bottom of the gas calibration area and directly flowing to the gas outlet joint area of the calibration cover from the gas inlet joint of the calibration cover.

3. Quick replacement device of cover is markd to detector has because the use scene of demarcating the cover often is the production site, and the scene is more mixed and disorderly, can use the detector support of backup pad when will testing, prevents to mark cover contact ground, takes place wearing and tearing, and fixed needle can be fixed on the ground, and the vibrations that produce when preventing to ventilate lead to the advantage that the detector fell.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view structural diagram of the present invention;

FIG. 2 is a partial block diagram of the strap of the present invention;

fig. 3 is a sectional view of the present invention.

Reference numerals are as follows:

the device comprises a shell 1, a detector 2, a detector 3, a detector gas connector 4, a calibration cover gas inlet connector 5, a calibration cover gas outlet connector 6, a protective cover 7, a support plate 8, a fixing pin 9, a sealing cover 10, a binding belt 11, a binding belt groove 11, a binding belt end 12, a clamping plate 13, a spring 14, a gas calibration area 15, a gas flow baffle 16, a gas flow baffle 17 and a standard gas connector 18.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; the connection can be mechanical connection, electrical connection or communication; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1:

as shown in fig. 1-3, the quick changing device for the calibration cover of the detector comprises a cover shell 1 and a detector 2, wherein one end of the cover shell 1 is in threaded connection with a gas standard joint 18, one end of the detector 2 is in threaded connection with a detector gas joint 3, and the detector gas joint 3 is a standard component and can be adapted to gas standard joints 18 of detectors of different brands; the detector gas joint 3 is fixedly connected with the gas standard joint 18.

In this embodiment, 1 one side fixedly connected with sealed cowling 9 of housing, 9 one end fixedly connected with ribbons 10 of sealed cowling, the preferred material that has sealing ability such as rubber of sealed cowling 9 is made, sealed cowling 9 is longer than detector gas connector 3, ribbon 10 one end fixedly connected with ribbon end 12, open ribbon recess 11 in 10 one side of ribbon, there is cardboard 13 ribbon end 12 one side through axle swivelling joint, cardboard 13 one end welding has spring 14, spring 14 and ribbon end 12 fixed connection, can stimulate ribbon 10 and seal 9 one end of sealed cowling, strengthen detector 2 and mark the gas tightness of covering the junction, prevent that harmful gas from leaking and cause the potential safety hazard.

In this embodiment, a calibration cover air inlet joint 4 and a calibration cover air outlet joint 5 are in threaded connection with one side of a housing 1, a gas calibration area 15 is formed inside the housing 1, the gas calibration area 15 is connected with one end of the calibration cover air inlet joint 4 and one end of the calibration cover air outlet joint 5, the gas calibration area 15 is connected with a detector gas joint 3, the gas calibration area 15 is large in size and can contain more gas, and the calibration effect is prevented from being influenced due to the fact that the result detected by a detector 2 is small.

In this embodiment, an airflow baffle 16 is welded at one end of the gas calibration area 15 to prevent some gases from directly impacting the probe of the detector 2 due to too fast flow velocity, so that errors and damages to the detector 2 are caused to occur in the calibration result, and airflow baffles 17 are welded at two sides of the gas calibration area 15 to prevent the gases from bypassing the bottom of the gas calibration area 15 and directly flowing to the region of the gas outlet connector 5 of the calibration cover from the gas inlet connector 4 of the calibration cover.

In this embodiment: the detector gas joint 3 is a standard component and can be adapted to gas standard joints 18 of detectors of different brands, the sealing cover 9 is preferably made of rubber and other materials with sealing capability, the sealing cover 9 is longer than the detector gas joint 3, one end of the sealing cover 9 can be sealed by pulling the ribbon 10, the air tightness of the joint of the detector 2 and the calibration cover is enhanced, the potential safety hazard caused by harmful gas leakage is prevented, the gas calibration area 15 is connected with the detector gas joint 3, the volume of the gas calibration area 15 is larger, can hold more gas, prevent that the result that detector 2 detected out is little partially, influences the demarcation effect, and airflow baffle 16 prevents that some gas flow velocity from being too fast, directly strikes the probe of detector 2, leads to demarcating the result error and damage detector 2, and airflow baffle 17 prevents that gas from bypassing gas and demarcating 15 bottoms of district and directly flow to demarcating the cover gas outlet connector 5 region from demarcating cover gas inlet connector 4 flow direction.

Example 2:

the quick change device for the calibration cover of the detector is improved on the basis of the embodiment 1, as shown in figures 1-3,

in this embodiment, one end of the calibration cover gas inlet joint 4 and one end of the calibration cover gas outlet joint 5 are fixedly connected with a protection cover 6, if the detected gas is a harmful gas, the protection cover 6 can be used to cover the calibration cover gas outlet joint 5 to prevent the gas from leaking, and when the calibration cover gas inlet joint 4 and the calibration cover gas outlet joint 5 are not used, the protection cover 6 can protect the calibration cover gas inlet joint 4 and the calibration cover gas outlet joint 5 from being damaged.

In this embodiment, 1 one side of housing is rotated through the axle and is connected with backup pad 7, because the use scene of demarcating the cover is the production site often, and the scene is more mixed and disorderly, can use backup pad 7 to support detector 2 when will testing, prevents to demarcate cover contact ground, takes place wearing and tearing, and 7 one side welding of backup pad has fixed needle 8, and fixed needle 8 can be fixed on the ground, and the vibrations that produce when preventing to ventilate lead to detector 2 to drop.

In this embodiment: if it is harmful gas to detect gas, can use visor 6 to cover and mark cover joint 5 of giving vent to anger and prevent that gas from leaking, visor 6 can protect when not using to mark cover air inlet joint 4 and mark cover joint 5 of giving vent to anger and not receive the harm, because the use scene of marking the cover is the production site often, the scene is more jumbled, can use backup pad 7 to support detector 2 when testing, prevent to mark the cover and contact ground, take place wearing and tearing, fixed needle 8 can be fixed on the ground, the vibrations that produce when preventing to ventilate lead to detector 2 to fall.

When the gas detector works, the gas connector 3 of the detector is a standard part and can be adapted to gas standard connectors 18 of detectors of different brands, the sealing cover 9 is preferably made of rubber and other materials with sealing capacity, the sealing cover 9 is longer than the gas connector 3 of the detector, one end of the sealing cover 9 can be sealed by pulling the binding belt 10, the air tightness of the joint of the detector 2 and the calibration cover is enhanced, the potential safety hazard caused by harmful gas leakage is prevented, the gas calibration area 15 is connected with the gas connector 3 of the detector, the volume of the gas calibration area 15 is larger, more gas can be accommodated, the detection result of the detector 2 is prevented from being smaller, the calibration effect is prevented from being influenced, the airflow baffle plate 16 prevents certain gases from flowing at an excessively high speed and directly impacting the probe of the detector 2, so that the calibration result has errors and damages the detector 2, the airflow baffle plate 17 prevents the gases from directly flowing from the gas inlet connector 4 of the calibration cover to the gas outlet connector 5 area of the calibration cover around the bottom of the gas calibration area 15 of the gas calibration area, if it is harmful gas to detect gas, can use visor 6 to cover and mark the cover and give vent to anger and connect 5 and prevent gaseous the leakage, visor 6 can protect when not using to mark cover air inlet joint 4 and mark cover and give vent to anger and connect 5 and not harm, because the use scene of demarcating the cover often is the production site, the scene is more mixed and disorderly, detector 2 when can using backup pad 7 to test supports, prevent to mark cover contact ground, take place wearing and tearing, fixed needle 8 can be fixed on the ground, the vibrations that produce when preventing to ventilate lead to detector 2 to drop.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. Detector is markd and is covered quick replacement device, including housing (1) and detector (2), its characterized in that: the gas detector is characterized in that one end of the housing (1) is fixedly connected with a gas standard connector (18), one end of the detector (2) is fixedly connected with a detector gas connector (3), and the detector gas connector (3) is fixedly connected with the gas standard connector (18).

2. The detector calibration cover quick replacement device as claimed in claim 1, wherein: one side of the housing (1) is fixedly connected with a sealing cover (9), and one end of the sealing cover (9) is fixedly connected with a binding belt (10).

3. The detector calibration cover quick replacement device as claimed in claim 2, characterized in that: ribbon (10) one end fixedly connected with ribbon end (12), ribbon recess (11) have been opened to ribbon (10) one side, and ribbon end (12) one side is connected with cardboard (13) through the axle rotation, cardboard (13) one end fixedly connected with spring (14), spring (14) and ribbon end (12) fixed connection.

4. The quick change device for the calibration cover of the detector as claimed in claim 1, characterized in that: one side of the housing (1) is fixedly connected with a calibration cover air inlet joint (4) and a calibration cover air outlet joint (5).

5. The quick change device for the calibration cover of the detector as claimed in claim 4, characterized in that: a gas calibration area (15) is formed in the housing (1), and the gas calibration area (15) is connected with one end of the calibration cover gas inlet joint (4) and one end of the calibration cover gas outlet joint (5).

6. The detector calibration cover quick replacement device of claim 5, wherein: one end of the gas calibration area (15) is fixedly connected with a gas flow baffle (16), and two sides of the gas calibration area (15) are fixedly connected with gas flow clapboards (17).

7. The detector calibration cover quick replacement device of claim 5, wherein: and one end of the calibration cover air inlet joint (4) and one end of the calibration cover air outlet joint (5) are fixedly connected with a protective cover (6).

8. The detector calibration cover quick replacement device of claim 5, wherein: one side of the housing (1) is rotatably connected with a supporting plate (7) through a shaft, and one side of the supporting plate (7) is fixedly connected with a fixing needle (8).