CN210180758U

CN210180758U - Waste gas sampling rifle buffer stop

Info

Publication number: CN210180758U
Application number: CN201920731270.8U
Authority: CN
Inventors: Shiwei Guo; 郭世玮; Weiguang Mai; 麦伟广
Original assignee: Foshan Source Environment And Safety Inspection Co Ltd
Current assignee: Foshan Source Environment And Safety Inspection Co Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-03-24
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses an anti-collision device of an exhaust gas sampling gun, which comprises an exhaust gas detector, wherein a pitot tube is arranged on one side of the top end of the exhaust gas detector, a connecting pipe is clamped on the edge part of the top end of the pitot tube, a sleeve is sleeved on the outer surface of the connecting pipe, the edge part of the outer surface of the sleeve is connected with a protective sleeve, a round hole is arranged at the position of one end of the protective sleeve corresponding to one end of the sleeve, the utility model has the advantages of scientific and reasonable structure, safe and convenient use, and the impact force received by the pitot tube is primarily buffered by the anti-collision sponge through the protective sleeve, a limit groove, an anti-collision baffle and an anti-collision sponge, and is further buffered by a buffer spring, and the impact force received by the pitot tube is buffered again through the protective sleeve, the impact force received by, thereby increasing the service life of the pitot tube.

Description

Waste gas sampling rifle buffer stop

Technical Field

The utility model relates to a buffer stop technical field specifically is waste gas sampling rifle buffer stop.

Background

The waste gas sampling gun is mainly used for collecting hydrogen chloride, hydrochloric acid mist, sulfuric acid mist and fluoride in fixed pollution source emissions, after the device enters a sampling interface in the actual use process, a gas path is connected, then a filter cylinder is placed in the smoke gun, a smoke dust port and a pitot tube anode of the smoke gun are opposite to the flow direction of smoke, the smoke dust port and the pitot tube anode of the smoke gun are opposite to the flow direction of the smoke when sampling is started, the smoke dust port of the smoke gun is upward after sampling is finished, and the determination time is not less than 1 minute when the smoke dust concentration is high;

however, in the actual use process of the existing waste gas sampling gun, the pitot tube of the sampling tube has no protection device, and the external impact force causes the dynamic and static pressure at the front end of the pitot tube of the sampling tube to be impacted to generate the deformation phenomenon, thereby causing the monitoring data to have errors.

SUMMERY OF THE UTILITY MODEL

The utility model provides a waste gas sampling rifle buffer stop, but the waste gas sampling rifle that provides in can effectively solving above-mentioned background art is because at the in-service use in-process, the pitot tube of sampling tube does not have protection device, and external impact force makes sampling tube pitot tube front end hybrid pressure hit the phenomenon that produces the deformation, and then leads to the problem that monitoring data error appears.

In order to achieve the above object, the utility model provides a following technical scheme: the anti-collision device of the waste gas sampling gun comprises a waste gas detector, wherein a pitot tube is installed on one side of the top end of the waste gas detector, a connecting tube is clamped on the edge of the top end of the pitot tube, a sleeve is sleeved on the outer surface of the connecting tube, a protective sleeve is connected to the edge of the outer surface of the sleeve, a round hole is formed in the position, corresponding to one end of the sleeve, of one end of the protective sleeve, limiting grooves are formed in the edge of the outer surface of the protective sleeve at equal intervals, a rubber buffer cushion is arranged in the middle of the inner wall of each limiting groove, buffer springs are installed in the middle of the;

the sampler tube is arranged on the edge of the inner wall of the protective sleeve, a sleeve ring is sleeved on one side of the outer surface of the sampler tube, a screw rod is detachably connected to the top end of the outer surface of the sleeve ring through thread engagement, and a triangular support frame is welded at the bottom end of the outer surface of the sleeve ring.

Preferably, the edge part of the outer surface of the buffer spring is coated with antirust paint, and the anticollision baffle and the rubber buffer cushion are connected through the buffer spring.

Preferably, the material of lag is PVC hard plastic plate, bond through AB glue between lag and the rubber buffer pad and connect.

Preferably, the bottom of the outer surface of the screw rod is provided with an external thread, the top of the outer surface of the lantern ring is provided with a screw hole corresponding to the bottom end of the screw rod, and the edge part of the inner wall of the screw hole is provided with an internal thread.

Preferably, a protective rubber sleeve is arranged at the joint of the pitot tube and the connecting pipe, and the protective rubber sleeve is made of high-temperature-resistant insulating silica gel.

Preferably, the outer diameter of the sleeve is equal to the inner diameter of the round hole, and an insulating rubber sheet is bonded on the edge of the inner wall of the sleeve.

Preferably, the middle part of the bottom end of the limit groove is provided with anti-slip grooves at equal intervals.

The protective sleeve is characterized in that a circular groove is formed in one side of the outer surface of the protective sleeve, limiting holes are formed in the middle of the inner wall of the circular groove at equal intervals, a rubber column is arranged in the middle of the inner wall of each limiting hole, the top end of each rubber column is connected with an elastic belt, the bottom end of each rubber column is connected with a rubber raised head, and the bottom end of each rubber raised head is connected with an anti-slip mat.

Preferably, the non-slip mat is made of PVC soft rubber, and non-slip salient points are arranged on the inner wall of the non-slip mat at equal intervals.

Preferably, the inner diameter of the limiting hole is equal to the outer diameter of the rubber column, and the inner diameter of the limiting hole is smaller than the outer diameter of the rubber raised head.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. through the lag, the spacing groove, the rubber buffer pad, buffer spring, anticollision baffle and anticollision sponge, the anticollision sponge cushions the impact force that the pitot tube received tentatively, and further cushion the impact force that the pitot tube received through buffer spring, and cushion the impact force that the pitot tube received once more through the lag, the impact force that the cubic received the pitot tube cushions, the impact force that the pitot tube received has been reduced, prevent the pitot tube atress and produce the phenomenon of warping, and then increased the life of pitot tube.

2. Through circular slot, spacing hole, slipmat, elastic webbing and rubber post, can increase the frictional force between lag and the sampling tube, can fix the lag, prevent that the phenomenon that the protective sheath takes place to rock on the sampling tube, the installation of the lag of being convenient for simultaneously has reduced the installation degree of difficulty of lag.

3. Through sleeve pipe, pitot tube, connecting pipe, round hole and sampling tube, can carry on spacingly to the position of connecting pipe, prevent that the position of connecting pipe from taking place the phenomenon of removal, and the installation of the connecting pipe of being convenient for has reduced the installation degree of difficulty of connecting pipe, can protect the connecting pipe simultaneously, has increased the life of connecting pipe.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the mounting structure of the return spring of the present invention;

FIG. 3 is a schematic view of the structure of the area A in FIG. 1 according to the present invention;

FIG. 4 is a schematic structural diagram of the area B in FIG. 2 according to the present invention;

FIG. 5 is a schematic view of the installation structure of the rubber column of the present invention;

reference numbers in the figures: 1. an exhaust gas detector; 2. a pitot tube; 3. a circular hole; 4. a connecting pipe; 5. a sleeve; 6. a rubber raised head; 7. a protective sleeve; 8. a limiting groove; 9. a rubber cushion pad; 10. a buffer spring; 11. an anti-collision baffle plate; 12. anti-collision sponge; 13. a collar; 14. a screw; 15. a sampling tube; 16. a triangular support frame; 17. a circular groove; 18. a limiting hole; 19. a non-slip mat; 20. an elastic band; 21. a rubber column.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-5, the utility model provides a technical scheme, a collision-proof device for a waste gas sampling gun comprises a waste gas detector 1, a pitot tube 2 is installed on one side of the top end of the waste gas detector 1, a protective rubber sleeve is arranged at the joint of the pitot tube 2 and a connecting pipe 4, the joint of the pitot tube 2 and the connecting pipe 4 can be more compact, the phenomenon of air leakage at the joint of the pitot tube 2 and the connecting pipe 4 can be prevented, the protective rubber sleeve is made of high temperature resistant insulating silica gel, the pitot tube 2 and the connecting pipe 4 can be conveniently connected, the difficulty of connecting the pitot tube 2 and the connecting pipe 4 can be reduced, the connecting pipe 4 is clamped at the top end edge of the pitot tube 2, a sleeve 5 is sleeved on the outer surface of the connecting pipe 4, the outer diameter of the sleeve 5 is equal to the inner diameter of a round hole 3, the sleeve 5 can be conveniently installed, the difficulty, increase the life of connecting pipe 4, the edge of the outer surface of sleeve 5 is connected with protective cover 7, the material of protective cover 7 is PVC hard plastic plate, PVC hard plastic plate has good corrosion resistance and insulativity, and specific mechanical strength, can protect sampling tube 15, increase the life of sampling tube 15, protective cover 7 and rubber cushion 9 are connected through AB glue bond, can make the connection between protective cover 7 and rubber cushion 9 more compact, prevent the phenomenon of falling-off between protective cover 7 and rubber cushion 9, the position of one end of protective cover 7 corresponding to sleeve 5 is equipped with round hole 3, the edge of the outer surface of protective cover 7 is equipped with spacing groove 8 at equal distance, the middle part of the bottom end of spacing groove 8 is equipped with antiskid groove at equal distance, can increase the friction between rubber cushion 9 and protective cover 7, prevent the rubber cushion 9 from moving in the position of spacing groove 8, spacing groove 8 inner wall middle part is provided with rubber buffer 9, buffer spring 10 is installed to the equal equidistance in 9 top middle parts of rubber buffer, the coating of 10 surface limit portions of buffer spring has anti-corrosive paint, protection buffer spring 10, increase buffer spring 10's life, connect through buffer spring 10 between crashproof baffle 11 and the rubber buffer 9, can be spacing to crashproof baffle 11, prevent to take place the phenomenon that drops between crashproof baffle 11 and the

rubber buffer

9, 10 one end of buffer spring is connected with

crashproof baffle

11, 11 surface limit portions of crashproof baffle bond and have crashproof sponge 12.

7 inner wall limit portions of lag are provided with sampling tube 15, lantern ring 13 has been cup jointed on one side of 15 outer surfaces of sampling tube, 13 outer surface tops of lantern ring are connected with screw rod 14 through threaded engagement is dismantled, the external screw thread has been seted up to 14 outer surface bottoms of screw rod, 13 outer surface tops of lantern ring correspond 14 bottom end position department of screw rod and have been seted up the screw, and screw inner wall limit portion sets up the internal thread, 14 removal of screw rod of can being convenient for, and can carry on spacingly and fixed to screw rod 14, prevent that 14 position of screw rod from taking place the phenomenon of removal, 13 outer surface.

One side of the outer surface of the protective sleeve 7 is provided with a circular groove 17, the middle part of the inner wall of the circular groove 17 is provided with limit holes 18 at equal intervals, the inner diameter of each limit hole 18 is equal to the outer diameter of the rubber column 21, the movement of the rubber column 21 can be facilitated, the rubber column 21 can be limited, the inner diameter of each limit hole 18 is smaller than the outer diameter of the corresponding rubber raised head 6, the movement of the corresponding rubber raised head 6 can be facilitated, the rubber raised head 6 can be limited and limited, the middle part of the inner wall of each limit hole 18 is provided with the rubber column 21, the top end of the rubber column 21 is connected with an elastic belt 20, the bottom end of the rubber column 21 is connected with the corresponding rubber raised head 6, the bottom end of the corresponding rubber raised head 6 is connected with an anti-slip mat 19, the anti-mat 19 is made of PVC soft rubber, the PVC soft rubber has the characteristics of light weight, heat insulation, heat preservation, can increase the frictional force between slipmat 19 and the sampling tube 15, and then make the more stable of lag 7 installation, utilize exhaust gas detection appearance 1 to monitor the inside waste gas of pitot tube 2 at last.

The utility model discloses a theory of operation and use flow: in the actual use process of the anti-collision device of the waste gas sampling gun, the protective sleeve 7 and the sampling tube 15 are installed, when the protective sleeve 7 is placed on the outer side of the sampling tube 15, the elastic band 20 is pressed, the elastic band 20 drives the rubber column 21 to move, the rubber column 21 drives the rubber raised head 6 to move, the rubber raised head 6 enters the top end of the anti-slip pad 19 along the limiting hole 18, the anti-slip pad 19 is driven to move, the anti-slip pad 19 and the sampling tube 15 are in a fit state, the friction force between the protective sleeve 7 and the sampling tube 15 is increased, the protective sleeve 7 can be fixed, the phenomenon that the protective sleeve 7 shakes on the sampling tube 15 is prevented, meanwhile, the installation of the protective sleeve 7 is facilitated, and the installation difficulty of the protective sleeve 7 is reduced;

then screwing the screw rod 14, enabling the screw rod 14 to move along the inside of a screw hole of the lantern ring 13, enabling the sampling tube 15 to be fixed inside the lantern ring 13 through the screw rod 14, enabling the lantern ring 13 to be fixed on the triangular support frame 16, further enabling the sampling tube 15 to be fixed on the triangular support frame 16, then placing the connecting tube 4 into the protecting sleeve 7 along the inside of the round hole 3, limiting and fixing the connecting tube 4 through the sleeve 5, preventing the connecting tube 4 from moving, protecting the connecting tube 4, prolonging the service life of the connecting tube 4, and then connecting the pitot tube 2 and the connecting tube 4;

finally, the triangular support frame 16 is moved to a preset position, when the sampling tube 15 contacts an object, the impact force on the pitot tube 2 is buffered primarily through the anti-collision sponge 12, the impact force is conducted to the buffer spring 10 through the anti-collision sponge 12, the buffer spring 10 further buffers the impact force on the pitot tube 2, the buffer spring 10 conducts the impact force to the rubber buffer cushion 9, the impact force on the pitot tube 2 is buffered again through the rubber buffer cushion 9, the rubber buffer cushion 9 conducts the impact force to the protective sleeve 7, the impact force on the pitot tube 2 is buffered for three times, the impact force on the pitot tube 2 is reduced, the phenomenon that the pitot tube 2 deforms due to the stress is prevented, and the service life of the pitot tube 2 is prolonged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Waste gas sampling rifle buffer stop, including waste gas detector (1), its characterized in that: a pitot tube (2) is installed on one side of the top end of the waste gas detector (1), a connecting tube (4) is clamped on the edge portion of the top end of the pitot tube (2), a sleeve (5) is sleeved on the outer surface of the connecting tube (4), a protective sleeve (7) is connected to the edge portion of the outer surface of the sleeve (5), a round hole (3) is formed in the position, corresponding to one end of the sleeve (5), of one end of the protective sleeve (7), limiting grooves (8) are formed in the edge portion of the outer surface of the protective sleeve (7) at equal intervals, a rubber buffer cushion (9) is arranged in the middle of the inner wall of each limiting groove (8), buffer springs (10) are installed in the middle of the top end of each rubber buffer cushion (9) at equal intervals, one end of;

lag (7) inner wall limit portion is provided with sampling tube (15), sampling tube (15) surface one side has cup jointed lantern ring (13), lantern ring (13) surface top can be dismantled through threaded engagement and is connected with screw rod (14), the welding of lantern ring (13) surface bottom has triangular supports frame (16).

2. The exhaust sampling gun collision avoidance device of claim 1, wherein: the anti-rust paint is coated on the edge of the outer surface of the buffer spring (10), and the anti-collision baffle (11) is connected with the rubber cushion (9) through the buffer spring (10).

3. The exhaust sampling gun collision avoidance device of claim 1, wherein: the protection sleeve (7) is made of PVC (polyvinyl chloride) hard plastic plates, and the protection sleeve (7) is connected with the rubber cushion pad (9) through AB glue in an adhesive mode.

4. The exhaust sampling gun collision avoidance device of claim 1, wherein: the screw rod (14) surface bottom has seted up the external screw thread, screw has been seted up to lantern ring (13) surface top corresponding screw rod (14) bottom position department, and screw inner wall limit portion has seted up the internal thread.

5. The exhaust sampling gun collision avoidance device of claim 1, wherein: the connecting part of the pitot tube (2) and the connecting pipe (4) is provided with a protective rubber sleeve, and the protective rubber sleeve is made of high-temperature-resistant insulating silica gel.

6. The exhaust sampling gun collision avoidance device of claim 1, wherein: the outer diameter of the sleeve (5) is equal to the inner diameter of the round hole (3), and an insulating rubber sheet is bonded on the edge of the inner wall of the sleeve (5).

7. The exhaust sampling gun collision avoidance device of claim 1, wherein: the middle part of the bottom end of the limiting groove (8) is provided with anti-slip grooves at equal intervals.

8. The exhaust sampling gun collision avoidance device of claim 1, wherein: circular slot (17) have been seted up to lag (7) surface one side, spacing hole (18) have been seted up to circular slot (17) inner wall equidistance in the middle part, spacing hole (18) inner wall middle part is provided with rubber column (21), rubber column (21) top is connected with elastic band (20), rubber column (21) bottom is connected with rubber plush copper (6), rubber plush copper (6) bottom is connected with slipmat (19).

9. The exhaust sampling gun collision avoidance device of claim 8, wherein: the anti-slip mat (19) is made of PVC soft rubber, and anti-slip bumps are arranged on the inner wall of the anti-slip mat (19) at equal intervals.

10. The exhaust sampling gun collision avoidance device of claim 8, wherein: the inner diameter of the limiting hole (18) is equal to the outer diameter of the rubber column (21), and the inner diameter of the limiting hole (18) is smaller than the outer diameter of the rubber raised head (6).