CN220356755U

CN220356755U - Portable sampler

Info

Publication number: CN220356755U
Application number: CN202320093628.5U
Authority: CN
Inventors: 高明松; 窦怡飞; 唐志华; 方辉
Original assignee: Hefei Design And Research Institute Of Coal Industry LLC
Current assignee: Hefei Design And Research Institute Of Coal Industry LLC
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2024-01-16
Anticipated expiration: 2033-01-31

Abstract

The utility model relates to the technical field of gas sampling, and discloses a portable sampler, which comprises a pipe body, a portable mechanism and a connecting pipe, wherein an air duct is fixedly arranged at the top end of the connecting pipe, and a sealing mechanism is sleeved outside the air duct. This portable sampler, through the cooperation of seal tube, spacing groove and the spring that sets up, make the arc grip block can carry out the centre gripping to the left and right sides of sampling mouth fixedly, the leakproofness of reinforcing junction avoids the sampling mouth to appear leaking gas or external gas entering sampler inside the condition in the sample process, and through the wire rope who sets up, it is fixed to relieve the centre gripping of sampling mouth when the swivel becket rotates, make the sampling mouth removable take off, easy and simple to handle, the screw hole through setting up, the circular slot, the cooperation of fixed circle piece and pivoted plate, make the screw rod carry out spacingly to the swivel becket, avoid the swivel becket to rotate and then influence the fixed stability of centre gripping of arc grip block to the sampling mouth because of the mistake touches.

Description

Portable sampler

Technical Field

The utility model relates to the technical field of gas sampling, in particular to a portable sampler.

Background

The heavy gas protection is that when the transformer oil is heated and rapidly expands to wash towards the conservator due to serious faults in the transformer, the heavy gas inner baffle is flushed away by a certain angle to switch on the relay to generate signals, and a tripping position is normally put into.

According to a gas sampling device (publication No. CN 206804365U) disclosed in the above application, one end of the handle provided with the cross rod is rotated to a position far away from the tube body by rotating the handle, then the connector is connected with a sampling nozzle of the gas relay, a switch on the gas guide tube is opened, the cross rod is held by hands, the handle is hooked by an index finger and a middle finger, gas can be sucked into the tube body by pulling the handle, and after the gas is sucked, the switch is closed, and the connector is taken down.

However, in the practical use process of the device, after the connector is connected with the sampling nozzle of the gas relay, when the gas is extracted, the gas in the pipe body is increased, so that the gas pressure in the pipe body is increased, and at the moment, the sampling nozzle of the gas relay is likely to loosen or separate under the impact of the gas in the pipe body, so that the gas in the pipe body leaks, or the gas in the air enters the pipe body, so that the detection result of the gas is affected; in view of this, we propose a portable sampler.

Disclosure of Invention

The present utility model is directed to a portable sampler, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a portable sampler, includes body, portable mechanism and connecting pipe, the top fixed mounting of connecting pipe has the air duct, the outside cover of air duct is equipped with sealing mechanism, sealing mechanism includes:

the sealing cylinder is fixedly arranged at the top end of the connecting pipe, limit grooves are formed in the inner wall surfaces of the left side and the right side of the sealing cylinder, a transverse groove is formed in the inner surface of one side, far away from the center of the sealing cylinder, of the limit groove, and two springs are fixedly arranged on the inner wall of one side, close to the transverse groove, of the limit groove in a linear array;

the arc-shaped clamping plate is fixedly arranged at one end, far away from the transverse groove, of the spring, an anti-skid pattern is fixedly arranged on the surface of one side, close to the center of the sealing cylinder, of the arc-shaped clamping plate, and a steel wire rope is fixedly arranged on the surface of one side, far away from the anti-skid pattern, of the arc-shaped clamping plate;

the annular sliding groove is formed in the outer side surface of the sealing cylinder, the rotating ring is connected inside the annular sliding groove in a sliding mode, the transverse sliding groove is formed in the inner wall surfaces of the left side and the right side of the annular sliding groove, the sliding block is connected inside the transverse sliding groove in a sliding mode, and the threaded hole is formed in the right side surface of the top of the rotating ring;

the circular groove is formed in the right side of the inner wall of the top of the annular chute, a screw is arranged in the circular groove, a fixed circular block is fixedly arranged on the outer side of the screw, and a rotating plate is fixedly arranged on the top end of the screw, penetrating through the inner wall of the sealing cylinder.

Preferably, the outer wall of the arc clamping plate is mutually attached to the inner wall of the limit groove.

Preferably, the outer side of the sliding block is fixedly connected with the side wall of the rotating ring.

Preferably, the size of the threaded hole is mutually matched with the size of the screw rod.

Preferably, the outer wall of the fixed round block is mutually attached with the inner wall of the round groove.

Preferably, one end of the steel wire rope, which is far away from the arc-shaped clamping plate, is fixedly connected with the side wall of the rotating ring through a transverse groove.

Compared with the prior art, the utility model provides a portable sampler, which has the following beneficial effects:

1. this portable sampler, through the cooperation of seal tube, spacing groove and the spring that sets up for arc grip block can carry out the centre gripping to the left and right sides of sampling nozzle fixedly, and the leakproofness of reinforcing junction avoids the sampling nozzle to appear leaking gas or external gas entering sampler inside the condition in the sample process, and through the wire rope who sets up, it is fixed to remove the centre gripping of sampling nozzle when the swivel becket rotates, makes the removable taking off of sampling nozzle, easy and simple to handle.

2. This portable sampler through the cooperation of screw hole, circular slot, fixed circle piece and the rotor plate that sets up, makes the screw rod spacing to the rotor ring, avoids the rotor ring to lead to rotating and then influence the fixed stability of centre gripping of arc grip block to the sampling mouth because of the mistake is touched.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model with a front side partially cut away;

FIG. 3 is a schematic diagram of the structure of the present utility model at A;

fig. 4 is a schematic structural diagram of the present utility model at B.

In the figure: 1. a tube body; 2. a portable mechanism; 3. a connecting pipe; 4. an air duct; 5. a sealing mechanism; 501. a sealing cylinder; 502. a limit groove; 503. a transverse groove; 504. a spring; 505. an arc-shaped clamping plate; 506. anti-skid lines; 507. a wire rope; 508. an annular chute; 509. a rotating ring; 510. a transverse chute; 511. a slide block; 512. a threaded hole; 513. a circular groove; 514. a screw; 515. fixing the round block; 516. and rotating the plate.

Detailed Description

As shown in fig. 1 to 4, the present utility model provides a technical solution: a portable sampler comprising a body 1, a portable mechanism 2 and a connecting tube 3, the portable mechanism 2 comprising: the handle, the vertical pole, the connecting rod, and link, rotate the handle, make the one end that sets up the handle and be provided with the horizontal pole rotate to the position of keeping away from body 1, then connect the sampling mouth of air duct 4 and gas relay, open the switch on connecting pipe 3, hold the horizontal pole with the hand, catch the handle with index finger and middle finger, in can inhaling body 1 with gas, after inhaling gas, close the switch, take off the joint can, when discharging gas, rotate the handle, make horizontal pole and body 1 cartridge that is provided with the clamp, hold the handle with the hand, with index finger and middle finger hook on the connecting rod, open the switch, the handle of promotion can be with gas discharge body 1, the handle that sets up simultaneously also can directly draw in the in-process of sampler transportation, thereby the portable mechanism 2 of above-mentioned is similar with the handle principle that mentions in the chinese patent of the authority bulletin number CN206804365U (a gas sampling device), realize the effect is the same, do not repeated here for the prior art means in this field.

The top fixed mounting of connecting pipe 3 has air duct 4, is connected air duct 4 and gas relay's sampling mouth alright take a sample, and air duct 4 outside cover is equipped with sealing mechanism 5, and sealing mechanism 5 includes: sealing barrel 501, arc grip block 505, annular spout 508 and circular slot 513, sealing barrel 501 fixed mounting is on the top of connecting pipe 3, limit groove 502 has been seted up to sealing barrel 501's left and right sides inner wall surface, limit groove 502 is inside to keep away from sealing barrel 501 center department's a side surface and has been seted up cross groove 503, limit groove 502 is close to a side inner wall of cross groove 503 and is linear array fixed mounting and have two springs 504, arc grip block 505 fixed mounting is kept away from the one end of cross groove 503 at spring 504, the outer wall of arc grip block 505 is laminated with the inner wall of limit groove 502 each other, when gas relay's sampling mouth is connected with air duct 4, arc grip block 505 pops out to sealing barrel 501 inside under the elastic potential energy effect of spring 504, thereby carry out the centre gripping to the outside of sampling mouth and fix, thereby reinforcing junction's leakproofness, avoid the sampling mouth to appear gas leakage or the condition that external gas gets into the sampler inside in the sampling process.

The arc clamping plate 505 is close to one side surface fixed mounting of sealing cylinder 501 center department and has anti-skidding line 506, the friction force of arc clamping plate 505 and sampling nozzle outer wall can be strengthened to anti-skidding line 506 that sets up, thereby avoid the sampling nozzle to take place not hard up or drop in the sampling process more effectively, one side surface fixed mounting that anti-skidding line 506 was kept away from to arc clamping plate 505 has wire rope 507, annular spout 508 offers the outside surface at sealing cylinder 501, annular spout 508 inside sliding connection has rotation ring 509, wire rope's 507 one end that keeps away from arc clamping plate 505 passes through transverse groove 503 and rotation ring 509 lateral wall fixed connection, accessible wire rope 507 pulls in spacing groove 502 inside when rotation ring 509 rotates, thereby the centre gripping fixed to the sampling nozzle is removed, make the sampling nozzle removable, transverse spout 510 inside sliding connection has slider 511, the inside one end that is close to wire rope 507 of sliding connection of transverse spout 510 is located at this moment, when rotation ring 509 rotates the other end that drives slider 511 to remove transverse spout 510, arc clamping plate 505 just gets into rotation ring 509 inside rotation ring 509 completely, can's rotation ring 509 can not avoid the excessive wire rope to rotate again, the excessive wire rope of rotation is broken.

The outside and the rotation ring 509 lateral wall fixed connection of slider 511, screw hole 512 has been seted up to the top right side surface of rotation ring 509, the circular slot 513 is seted up on the top inner wall right side of annular spout 508, the inside screw rod 514 that is provided with of circular slot 513, the size of screw hole 512 and the size mutual adaptation of screw rod 514, screw rod 514 is located screw hole 512 inside during initial state, screw rod 514 carries out spacing to rotation ring 509 this moment, avoid rotation ring 509 to influence the fixed stability of centre gripping of arc grip block 505 to the sampling mouth because of the mistake touches, fixed knob 515 is installed to screw rod 514 outside fixed, the outer wall of fixed knob 515 and the inner wall of circular slot 513 laminating each other, fixed knob 515 carries out the direction spacing to the removal of screw rod 514, make screw rod 514 remove more steadily, the top of screw rod 514 runs through the inner wall fixed mounting of sealing tube 501 and has rotation plate 516, rotation plate 516 can drive screw rod 514 and rotate in step, thereby make screw rod 514 upwards rotate and break away from screw hole 512 inside, make rotation ring 509 can rotate.

In the utility model, when the sampling nozzle is used, the rotating plate 516 drives the screw 514 to move upwards to be separated from the inside of the threaded hole 512, the rotating ring 509 pulls the arc-shaped clamping plate 505 into the limit groove 502 through the steel wire rope 507, the spring 504 is compressed to generate elastic potential energy, the sampling nozzle is sleeved on the outer side of the air duct 4, the rotating ring 509 is reset, the arc-shaped clamping plate 505 pops up towards the inside of the sealing cylinder 501 under the action of the elastic potential energy of the spring 504 at the moment, so that the outer side of the sampling nozzle is clamped and fixed, the tightness of the joint is enhanced, the condition that air leakage or external air enters the inside of the sampling nozzle in the sampling process is avoided, the screw 514 is driven to enter the threaded hole 512 by the reverse rotating plate 516, the screw 514 limits the rotating ring 509 at the moment, and the rotating ring 509 is prevented from rotating due to false touch, so that the stability of the clamping and fixing of the arc-shaped clamping plate 505 on the sampling nozzle is prevented.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. The utility model provides a portable sampler, includes body (1), portable mechanism (2) and connecting pipe (3), the top fixed mounting of connecting pipe (3) has air duct (4), its characterized in that: the outside cover of air duct (4) is equipped with sealing mechanism (5), sealing mechanism (5) include:

the sealing cylinder (501), the sealing cylinder (501) is fixedly arranged at the top end of the connecting pipe (3), limit grooves (502) are formed in the inner wall surfaces of the left side and the right side of the sealing cylinder (501), a transverse groove (503) is formed in one side surface, away from the center of the sealing cylinder (501), of the inside of the limit groove (502), and two springs (504) are fixedly arranged on the inner wall, close to the transverse groove (503), of one side of the limit groove (502) in a linear array;

the arc clamping plate (505), the arc clamping plate (505) is fixedly arranged at one end of the spring (504) far away from the transverse groove (503), an anti-skid pattern (506) is fixedly arranged on the surface of one side of the arc clamping plate (505) close to the center of the sealing cylinder (501), and a steel wire rope (507) is fixedly arranged on the surface of one side of the arc clamping plate (505) far away from the anti-skid pattern (506);

the annular sliding groove (508), the annular sliding groove (508) is formed in the outer side surface of the sealing cylinder (501), the rotating ring (509) is connected inside the annular sliding groove (508) in a sliding mode, the transverse sliding groove (510) is formed in the inner wall surfaces of the left side and the right side of the annular sliding groove (508), the sliding block (511) is connected inside the transverse sliding groove (510) in a sliding mode, and the threaded hole (512) is formed in the right side surface of the top of the rotating ring (509);

the circular groove (513), circular groove (513) is seted up on the top inner wall right side of annular spout (508), circular groove (513) inside is provided with screw rod (514), fixed circle piece (515) are fixed to screw rod (514) outside fixed mounting, the inner wall fixed mounting that the top of screw rod (514) runs through sealed section of thick bamboo (501) has rotation board (516).

2. A portable sampler according to claim 1, wherein: the outer wall of the arc clamping plate (505) is mutually attached to the inner wall of the limit groove (502).

3. A portable sampler according to claim 1, wherein: the outer side of the sliding block (511) is fixedly connected with the side wall of the rotating ring (509).

4. A portable sampler according to claim 1, wherein: the size of the threaded hole (512) is matched with the size of the screw rod (514).

5. A portable sampler according to claim 1, wherein: the outer wall of the fixed round block (515) is mutually attached to the inner wall of the round groove (513).

6. A portable sampler according to claim 1, wherein: one end of the steel wire rope (507) far away from the arc-shaped clamping plate (505) is fixedly connected with the side wall of the rotating ring (509) through a transverse groove (503).