CN216955335U

CN216955335U - Sealing device of flue gas sampling rod

Info

Publication number: CN216955335U
Application number: CN202123050913.9U
Authority: CN
Inventors: 王咏梅
Original assignee: Tianjin Jinhui Intelligent Technology Development Co ltd
Current assignee: Dalian Lvyin Environmental Technology Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-07-12
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a sealing device of a flue gas sampling rod, which comprises a sampling rod body, wherein a graduated scale is arranged on the front surface of the sampling rod body, a connecting plate is movably sleeved on the sampling rod body, a fixing cover is fixedly welded on the left side of the connecting plate, a connecting pipe is fixedly arranged on the right side of the connecting plate, and a fixing mechanism is arranged at the tail end of the connecting pipe. According to the utility model, through the matching use of the connecting plate and the fixing cover, the fixing cover can be inserted into sampling holes with different sizes, the sampling holes are sealed through the elastic rubber cushion, the smoke leakage is avoided, the external air is prevented from entering a flue through the sampling holes, the sampling result is not influenced, the limit of different diameters of different sampling holes is avoided, the practicability is higher, meanwhile, the position of the fixing block can be accurately adjusted through the scale, the connecting block stretches the connecting pipe to stretch and stretch to ensure the sealing property, the fixing of the connecting plate is realized through the extrusion of the clamping block by the fixing block, and the position of the sampling rod body entering the flue can be accurately controlled.

Description

Sealing device of flue gas sampling rod

Technical Field

The utility model relates to the technical field of flue gas sampling devices, in particular to a sealing device of a flue gas sampling rod.

Background

When the portable smoke measuring instrument is used, the sampling rod is needed to be used and inserted into the flue sampling hole to extract smoke in the flue for analysis and measurement.

The sealed form of current sampling pole is fairly simple, and it is sealed to use cloth, gloves etc. to tie up on the sampling pole very much, because the volume of parcel sampling pole body at every turn is not of uniform size, and is poor to the sealed effect of sampling hole, can influence measuring result, measures the position that hardly accurate control sampling pole got into the flue many times.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sealing device of a smoke sampling rod, which aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a sealing device of flue gas sampling pole, includes the sampling pole body, the scale is installed in the front of sampling pole body, the movable sleeve is equipped with the connecting plate on the sampling pole body, the left side welded fastening of connecting plate has fixed cover, connecting plate right side fixed mounting has the connecting pipe, fixed establishment is installed to the end of connecting pipe.

Preferably, the fixing mechanism comprises a connecting block, a plurality of clamping blocks, a fixing block and three fixing screws, the connecting block is bonded on the connecting pipe, the clamping blocks are bonded on the connecting plate, the fixing block is slidably mounted on the clamping blocks, three positioning holes are formed in the outer sides of the fixing blocks, the fixing screws are located in the corresponding positioning holes respectively, and three screw holes matched with the fixing screws in use are formed in the connecting block.

Preferably, the clamping block is a trapezoidal rubber soft cushion block, and the fixed block is provided with a sliding groove matched with the clamping block.

Preferably, the outside fixed mounting of a plurality of grip blocks on the connecting block has the sealing ring, set up on the fixed block with sealing ring assorted seal groove, fixed block and connecting block all with sampling rod body sliding connection.

Preferably, the fixed cover is in a cone frustum shape, a layer of elastic rubber cushion wraps the outer side of the fixed cover, and the left end of the fixed cover is connected with the sampling rod body in a sliding mode.

Preferably, the connecting pipe is a flexible hose, and the connecting pipe is sleeved outside the sampling rod body.

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

1. according to the utility model, through the matching use of the connecting plate and the fixing cover, the fixing cover can be inserted into sampling holes with different sizes, and the elastic rubber cushion is used for sealing the sampling holes, so that the smoke leakage and the external air entering the flue through the sampling holes are avoided, the sampling result is not influenced, the limit of different diameters of different sampling holes is avoided, and the practicability is higher;

2. the position of the fixing block can be accurately adjusted through the graduated scale, the connecting block stretches the connecting pipe to stretch and contract to ensure the sealing performance, the fixing block extrudes the clamping block to fix the connecting plate, and the position of the sampling rod body entering the flue can be accurately controlled.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a side cross-sectional view of the present invention.

In the figure: 1. a sampling rod body; 2. a graduated scale; 3. a connecting plate; 4. a fixed cover; 5. a connecting pipe; 6. a fixing mechanism; 61. connecting blocks; 62. a clamping block; 63. a fixed block; 64. fixing the screw rod; 7. a seal ring; 8. an elastic rubber cushion.

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, the present invention provides a technical solution: a sealing device of a flue gas sampling rod body 1 comprises a sampling rod body 1, wherein a graduated scale 2 is installed on the front surface of the sampling rod body 1, a connecting plate 3 is movably sleeved on the sampling rod body 1, a fixed cover 4 is welded and fixed on the left side of the connecting plate 3, a connecting pipe 5 is fixedly installed on the right side of the connecting plate 3, and a fixing mechanism 6 is installed at the tail end of the connecting pipe 5;

the fixing mechanism 6 comprises a connecting block 61, a plurality of clamping blocks 62, a fixing block 63 and three fixing screws 64, the connecting block 61 is adhered on the connecting pipe 5, the clamping blocks 62 are adhered on the connecting plate 3, the fixing block 63 is slidably mounted on the clamping blocks 62, three positioning holes are formed in the outer side of the fixing block 63, the fixing screws 64 are respectively located in the corresponding positioning holes, three screw holes matched with the fixing screws 64 are formed in the connecting block 61, the clamping blocks 62 are trapezoidal rubber soft cushion blocks, sliding grooves matched with the clamping blocks 62 are formed in the fixing block 63, sealing rings 7 are fixedly mounted on the outer sides of the clamping blocks 62 on the connecting block 61, sealing grooves matched with the sealing rings 7 are formed in the fixing block 63, the fixing block 63 and the connecting block 61 are both slidably connected with the sampling rod body 1, the fixing cover 4 is in a conical frustum shape, and a layer of elastic rubber cushion 8 wraps the outer side of the fixing cover 4, the left end of the fixed cover 4 is connected with the sampling rod body 1 in a sliding mode, the connecting pipe 5 is a telescopic hose, and the connecting pipe 5 is sleeved on the outer side of the sampling rod body 1.

The working principle is as follows: before using, adjust the position of connecting block 61 and fixed block 63 according to the needs of sampling, unscrew clamping screw 64, make connecting block 61 and fixed block 63 can slide along sampling rod body 1, remove the assigned position with fixed block 63 according to scale 2, thereby it is flexible to drive connecting block 61 and remove and drive connecting pipe 5, tighten clamping screw 64 again, thereby it is close to each other with fixed block 63 to drive connecting block 61, thereby drive fixed block 63 extrusion grip block 62, make grip block 62 closely laminate sampling rod body 1, it is fixed with sampling rod body 1 with connecting block 61, insert the sampling hole with fixed cover 4 again, realize sealedly to the sampling hole through elastic rubber cushion 8, avoid flue gas and outside air to realize exchanging, influence the testing result, has excellent in use effect, it is sealed effectual, the advantage that the practicality is high.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 sealing device of flue gas sampling pole, includes sampling pole body (1), its characterized in that: the front of sampling pole body (1) is provided with scale (2), the movable sleeve is equipped with connecting plate (3) on sampling pole body (1), the left side fixed mounting of connecting plate (3) has fixed cover (4), connecting plate (3) right side is fixed and is provided with connecting pipe (5), fixed establishment (6) are installed to the end of connecting pipe (5).

2. The sealing device of a flue gas sampling rod of claim 1, wherein: fixed establishment (6) are including connecting block (61), a plurality of grip block (62), fixed block (63), three clamping screw (64), connecting block (61) fixed mounting is on connecting pipe (5), and is a plurality of grip block (62) fixed mounting is on connecting plate (3), fixed block (63) slide and set up on grip block (62), three locating hole has been seted up in the outside of fixed block (63), and is a plurality of clamping screw (64) are located the locating hole that corresponds respectively, seted up three on connecting block (61) and the supporting screw that uses of clamping screw (64).

3. The sealing device of a flue gas sampling rod of claim 2, wherein: the clamping block (62) is a trapezoidal rubber soft cushion block, and a sliding groove matched with the clamping block (62) is formed in the fixing block (63).

4. The sealing device of a flue gas sampling rod of claim 2, wherein: the fixed sealing ring (7) that is provided with in the outside of a plurality of grip blocks (62) on connecting block (61), seted up on fixed block (63) with sealing ring (7) assorted seal groove, fixed block (63) and connecting block (61) all with sampling rod body (1) sliding connection.

5. The sealing device of a flue gas sampling rod of claim 1, wherein: the sampling rod is characterized in that the fixed cover (4) is in a cone frustum shape, the outer side of the fixed cover (4) is wrapped by a layer of elastic rubber cushion (8), and the left end of the fixed cover (4) is connected with the sampling rod body (1) in a sliding mode.

6. The sealing device of a flue gas sampling rod of claim 1, wherein: the connecting pipe (5) is a flexible hose, and the outer side of the sampling rod body (1) is sleeved with the connecting pipe (5).