CN219038905U - Combustible gas detector finished product calibration device - Google Patents

Abstract

The utility model discloses a finished product calibration device for a flammable gas detector, which is equipment for calibrating the natural gas detector by adopting a calibration main body, and comprises a connecting arm and the calibration main body, wherein grooves are formed in two sides of the connecting plate, a detector test head is fixedly connected to the bottom of the calibration main body, fixing blocks which are inserted into the grooves are symmetrically and fixedly arranged on the upper surface of the calibration main body, tension springs are symmetrically and fixedly arranged on the front surface of the connecting plate, one end of each tension spring is fixedly connected with a pin firmware which is communicated with the grooves, and the pin firmware is inserted into the fixing blocks. According to the utility model, by pulling the pin fixing piece and stretching the tension spring, one end of the pin fixing piece is separated from the inside of the fixed block, so that the fixed block is conveniently taken out from the inside of the groove formed in the connecting plate, the calibration main body is convenient to detach, the technical problem that the calibration main body is difficult to detach when the calibration main body is damaged and inconvenient to overhaul is solved.

Description

Combustible gas detector finished product calibration device

Technical Field

The utility model relates to the technical field of natural gas detector calibration, in particular to a device for calibrating a finished product of a combustible gas detector.

Background

The combustible gas detector is a detector responding to the concentration of single or multiple combustible gases, and has two types of catalysis type and infrared optical type, wherein the catalytic type combustible gas detector measures the concentration of the combustible gas by utilizing the resistance change of a refractory metal platinum wire after heating, and when the combustible gas enters the detector, oxidation reaction is caused on the surface of the platinum wire. At present, the finished product calibration device of the natural gas detector has a good real-time monitoring effect, so that a user can grasp information in real time.

The Chinese patent net discloses a point type flammable gas detector calibration device, the detection end fixed surface of demarcating the main part bottom installs sealed top shell, the spout has all been seted up to the both sides of sealed top shell, one of them first round hole has been seted up at the top of spout, the inner wall of first round hole is connected with first threaded rod through the bearing rotation, another the inner wall fixed mounting of spout has the guide bar, the surface of first threaded rod and the surface of guide bar are threaded and sliding connection respectively have the slider, the opposite one end fixedly connected with sealing ring of slider, the inner wall fixed mounting of sealing ring has sealing rubber layer. Although the utility model can seal the joint of the sealing top shell and the sealing bottom shell, thereby preventing natural gas leakage when the calibration main body detects the detector, and calibrating the natural gas detectors with different heights. However, the calibration main body is fixedly connected with the L-shaped connection moving plate, so that the calibration main body is difficult to disassemble when damaged, and the problem of inconvenient maintenance is caused. Therefore, it is necessary to provide a device for calibrating the finished product of the flammable gas detector to solve the above technical problems.

Disclosure of Invention

The technical problem to be solved by the utility model is that the calibration main body is fixedly connected with the L-shaped connecting moving plate, when the calibration main body is damaged, the calibration main body is difficult to detach, so that the maintenance is inconvenient, and the device for calibrating the finished product of the flammable gas detector is provided for overcoming the defects of the prior art. According to the utility model, by pulling the pin fixing piece and stretching the tension spring, one end of the pin fixing piece is separated from the inside of the fixed block, so that the fixed block is conveniently taken out from the inside of the groove formed in the connecting plate, the calibration main body is convenient to detach, the technical problem that the calibration main body is difficult to detach when the calibration main body is damaged and inconvenient to overhaul is solved.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a combustible gas detector finished product calibration device, includes linking arm and marks the main part, the bottom fixed mounting of linking arm has the connecting plate, the recess has all been seted up to the both sides of connecting plate, the bottom fixedly connected with detector test head of demarcating the main part, just mark the upper surface symmetry fixed mounting of main part have the fixed block of pegging graft with the recess, the front surface symmetry fixed mounting of connecting plate has the extension spring, every the equal fixedly connected with of one end of extension spring and the round pin firmware of recess intercommunication, peg graft between round pin firmware and the fixed block.

The pin fixing piece is of a T-shaped structure, and is located in the tension spring.

The motor is fixedly arranged on the upper surface of the vertical plate, an output shaft of the motor penetrates through the vertical plate and is fixedly connected with a screw rod, and the screw rod is in threaded connection with the connecting arm.

The bottom of the vertical plate is fixedly connected with a bottom plate, and four travelling wheels are uniformly and fixedly arranged on the lower surface of the bottom plate.

Further set up, the last fixed surface of bottom plate installs the base, the inside of base is provided with the natural gas output bottle, be provided with the intercommunication hose between natural gas output bottle and the demarcation main part.

The upper surface of the bottom plate is fixedly provided with a box body, and a push rod is inserted into the box body.

The novel push rod is characterized in that a rack is embedded in the outer side of the push rod, a reset spring is fixedly arranged on the rear surface of the box body, one end of the reset spring is fixedly connected with a limiting rod penetrating through the box body, and the limiting rod is clamped with the rack.

Compared with the related art, the device for calibrating the finished product of the combustible gas detector has the following beneficial effects:

the utility model provides a finished product calibration device for a flammable gas detector, which is characterized in that one end of a pin fixing piece is separated from the inside of a fixed block by pulling the pin fixing piece and stretching a tension spring, so that the fixed block is conveniently taken out from the inside of a groove formed in a connecting plate, a calibration main body is convenient to detach, the fixed connection between the calibration main body and an L-shaped connecting moving plate is solved, and the technical problem that the calibration main body is difficult to detach when damaged, and inconvenient to overhaul is caused.

The utility model provides a finished product calibration device for a combustible gas detector, which is characterized in that one end of a limiting rod is separated from a tooth gap of a rack by pulling the limiting rod and stretching a reset spring, so that a push rod can be conveniently moved in a box body, the height of the push rod can be conveniently adjusted according to users with different heights, and the adaptation capability is improved.

Drawings

FIG. 1 is a schematic diagram of a calibration device for a flammable gas detector according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic perspective view of a calibration body of the present utility model;

FIG. 3 is a schematic left-hand view of the calibration body of the present utility model connected to a connection plate;

FIG. 4 is a schematic diagram of a structure of the push rod and the box body of the present utility model in left view;

fig. 5 is a front view of the present utility model.

Reference numerals in the drawings: 1. a bottom plate; 2. a vertical plate; 3. a walking wheel; 4. calibrating a main body; 5. a connecting arm; 6. a natural gas output bottle; 7. a motor; 8. a communication hose; 9. a probe test head; 10. a push rod; 11. a case; 12. a base; 13. a fixed block; 14. a connecting plate; 15. a pin fastener; 16. a tension spring; 17. a groove; 18. a return spring; 19. a limit rod; 20. a rack; 21. and a screw rod.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Exemplary embodiments of the present utility model are illustrated in the accompanying drawings.

Embodiment one:

as shown in figures 1-5, the finished product calibration device for the flammable gas detector comprises a connecting arm 5 and a calibration main body 4, wherein a connecting plate 14 is fixedly arranged at the bottom of the connecting arm 5, grooves 17 are formed in two sides of the connecting plate 14, a detector test head 9 is fixedly connected to the bottom of the calibration main body 4, fixing blocks 13 which are inserted into the grooves 17 are symmetrically and fixedly arranged on the upper surface of the calibration main body 4, tension springs 16 are symmetrically and fixedly arranged on the front surface of the connecting plate 14, pin fixing pieces 15 which are communicated with the grooves 17 are fixedly connected to one end of each tension spring 16, and the pin fixing pieces 15 are inserted into the fixing blocks 13.

The pin fixing piece 15 is in a T-shaped structure, and the pin fixing piece 15 is positioned inside the tension spring 16.

The outside of linking arm 5 is provided with riser 2, and riser 2's upper surface fixed mounting has motor 7, and riser 2 is run through to motor 7's output shaft fixedly connected with lead screw 21, and the spiro union realizes controlling the lift of demarcating main part 4 between lead screw 21 and the linking arm 5.

In the implementation, through pulling the round pin firmware 15, tensile extension spring 16, realize that the one end of round pin firmware 15 breaks away from the inside of fixed block 13 to conveniently take out fixed block 13 from the recess 17 inside that connecting plate 14 offered, convenient to detach marks main part 4, has solved and has markd fixed connection between main part 4 and the L shape and has connected the movable plate, is difficult to dismantle when marking main part 4 and appears damaging, has caused inconvenient technical problem who overhauls.

Embodiment two:

as shown in fig. 1-5, on the basis of the first embodiment, the present utility model provides a technical solution: the bottom fixedly connected with bottom plate 1 of riser 2, the even fixed mounting of lower surface of bottom plate 1 has four walking wheels 3, the last fixed surface of bottom plate 1 installs base 12, the inside of base 12 is provided with natural gas output bottle 6, be provided with intercommunication hose 8 between natural gas output bottle 6 and the demarcation main part 4, the last fixed surface of bottom plate 1 installs box 11, peg graft in the inside of box 11 has push rod 10, rack 20 has been inlayed in the outside of push rod 10, the rear surface fixed mounting of box 11 has reset spring 18, the one end fixedly connected with of reset spring 18 runs through the gag lever post 19 of box 11, the block between gag lever post 19 and the rack 20.

In implementation, through pulling the gag lever post 19, the extension reset spring 18 realizes that the one end of gag lever post 19 breaks away from the tooth clearance of rack 20 to conveniently remove push rod 10 in the inside of box 11, be convenient for according to the height of user adjustment push rod 10 of different heights, improve the adaptation ability.

Before moving, the height of the push rod 10 is adjusted according to the requirement, the limiting rod 19 is pulled first, the return spring 18 is stretched, one end of the limiting rod 19 is separated from the tooth gap of the rack 20, then the push rod 10 moves in the box 11, finally the limiting rod 19 is loosened, one end of the limiting rod 19 is clamped into the tooth gap of the rack 20 again, and the push rod 10 with the height adjusted is fixed. When the device is used, firstly, the device is moved to the front of a detector testing end, the motor 7 is started, the screw rod 21 connected with the output shaft of the motor is driven to rotate, the connecting arm 5 on the outer side is driven to drive the calibration main body 4 to lift, so that natural gas detectors with different heights can be calibrated, finally, the bottom of the calibration main body 4 is fixedly connected with the top of the detector testing head 9, the natural gas output bottle 6 is provided with a flow indicator (not shown in the figure), and the natural gas output bottle 6 conveys, adjusts and measures the natural gas of the calibration main body 4 through the communication hose 8.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (7)

1. The utility model provides a combustible gas detector finished product calibration device, includes linking arm (5) and marks main part (4), its characterized in that: the bottom fixed mounting of linking arm (5) has connecting plate (14), recess (17) have all been seted up to the both sides of connecting plate (14), the bottom fixedly connected with detector test head (9) of demarcating main part (4), just the upper surface symmetry fixed mounting of demarcating main part (4) has fixed block (13) with recess (17) grafting, the front surface symmetry fixed mounting of connecting plate (14) has extension spring (16), every the equal fixedly connected with of one end of extension spring (16) with round pin firmware (15) of recess (17) intercommunication, peg graft between round pin firmware (15) and fixed block (13).

2. The device for calibrating the finished flammable gas detector according to claim 1, wherein the pin fixing piece (15) is of a T-shaped structure, and the pin fixing piece (15) is positioned in the tension spring (16).

3. The combustible gas detector finished product calibration device according to claim 1, wherein a vertical plate (2) is arranged on the outer side of the connecting arm (5), a motor (7) is fixedly arranged on the upper surface of the vertical plate (2), an output shaft of the motor (7) penetrates through the vertical plate (2) and is fixedly connected with a screw rod (21), and the screw rod (21) is in threaded connection with the connecting arm (5).

4. The finished product calibration device for the combustible gas detector according to claim 3, wherein the bottom of the vertical plate (2) is fixedly connected with a bottom plate (1), and four travelling wheels (3) are uniformly and fixedly arranged on the lower surface of the bottom plate (1).

5. The device for calibrating the finished flammable gas detector according to claim 4, wherein a base (12) is fixedly arranged on the upper surface of the bottom plate (1), a natural gas output bottle (6) is arranged in the base (12), and a communication hose (8) is arranged between the natural gas output bottle (6) and the calibration main body (4).

6. The finished product calibration device for the flammable gas detector according to claim 4, wherein a box body (11) is fixedly arranged on the upper surface of the bottom plate (1), and a push rod (10) is inserted into the box body (11).

7. The combustible gas detector finished product calibration device according to claim 6, wherein a rack (20) is embedded on the outer side of the push rod (10), a return spring (18) is fixedly arranged on the rear surface of the box body (11), one end of the return spring (18) is fixedly connected with a limiting rod (19) penetrating through the box body (11), and the limiting rod (19) is clamped with the rack (20).

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