CN219319872U - Barrel butt joint structure and smoke and dust sampling rifle assembly - Google Patents
Barrel butt joint structure and smoke and dust sampling rifle assembly Download PDFInfo
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- CN219319872U CN219319872U CN202320737445.2U CN202320737445U CN219319872U CN 219319872 U CN219319872 U CN 219319872U CN 202320737445 U CN202320737445 U CN 202320737445U CN 219319872 U CN219319872 U CN 219319872U
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Abstract
The utility model discloses a gun barrel butt joint structure which comprises a spring pin assembly and a flange welding assembly, wherein the spring pin assembly comprises a spring pin, a sleeve, a spring and a knob, the sleeve is arranged outside the spring pin, the sleeve is connected with the flange welding assembly, the sleeve is provided with a first stop part, the spring pin is provided with a second stop part, one end of the spring is fixedly connected with the first stop part, the other end of the spring is connected with the second stop part, and the knob is connected with the tail end of the spring pin. Based on the same inventive concept, the utility model also provides a smoke sampling gun assembly. The gun barrel butt joint structure provided by the utility model is simple in structure and convenient to operate. The smoke sampling gun assembly provided by the utility model is convenient and quick to install and disassemble, can meet the sampling in different directions, and can select to simply fix or screw and fix according to actual conditions aiming at gun barrel vibration possibly caused by different flow rates.
Description
Technical Field
The utility model relates to the technical field of smoke sampling guns, in particular to a gun barrel butt joint structure and a smoke sampling gun assembly.
Background
Smoke dust is one of the most main pollutant gas emissions in industry, not only threatens human health, but also seriously damages regional environment, and can effectively reduce the influence of the smoke dust on the environment for detecting and controlling the smoke dust problems generated by chemical industry, metal industry, hydrothermal electric supply industry and the like. Typically, there is a large amount of water vapor in the chimney and the flow rate is fast, the temperature is high, and there is some positive pressure. Therefore, the smoke is easy to scald during sampling, and harmful substances are inhaled.
Therefore, in order to prevent the sampling personnel from being scalded by high temperature and reduce the suction of harmful substances, the smoke sampling gun is required to be conveniently and quickly installed and removed.
Therefore, the prior art needs to be solved.
Disclosure of Invention
The utility model aims to solve the problems in the background art and provides a gun barrel butt joint structure and a smoke sampling gun assembly. The gun barrel butt joint structure provided by the utility model is simple in structure and convenient to operate. The smoke sampling gun assembly provided by the utility model is convenient and quick to install and disassemble, can meet the sampling in different directions, and can select to simply fix or screw and fix according to actual conditions aiming at gun barrel vibration possibly caused by different flow rates.
The technical aim of the utility model is realized by the following technical scheme:
the utility model provides a barrel butt joint structure, includes spring pin subassembly and flange welded assembly, spring pin subassembly includes spring pin, sleeve, spring and knob, the sleeve sets up in the outside of spring pin, the sleeve is connected with flange welded assembly, the sleeve is provided with first backstop portion, the spring pin is provided with second backstop portion, the one end and the first backstop portion fixed connection of spring, the other end and the second backstop portion fixed connection of spring, the terminal of spring pin is connected to the knob.
In the barrel butt joint structure, the sleeve is in threaded connection with the flange welding assembly.
A barrel docking structure as described above wherein the knob is threadably connected to the end of the spring pin.
According to the gun barrel butt joint structure, the deep rectangular groove is formed in the tail of the sleeve, the rectangular strip is arranged on the knob, and the rectangular strip is matched with the deep rectangular groove.
According to the gun barrel butt joint structure, the tail of the sleeve is further provided with the shallow rectangular groove, and the rectangular strips are matched with the shallow rectangular groove.
According to the gun barrel butt joint structure, the deep rectangular grooves and the shallow rectangular grooves are arranged at intervals.
Based on the same inventive concept, the utility model also provides a smoke sampling gun assembly, which comprises the gun barrel butt joint structure and the sampling tube assembly, wherein the sampling tube assembly comprises an outer tube assembly, and a fixing hole which is embedded in a matched manner with a spring pin is formed in the outer tube assembly.
The smoke dust sampling gun assembly comprises a smoke dust sampling gun assembly body, a smoke dust sampling gun assembly body and a smoke dust sampling gun assembly body.
According to the smoke sampling gun assembly, the outer tube assembly further comprises the locating pin, the locating hole is formed in the end face of the flange welding assembly, and the locating pin is connected with the locating hole in an adaptive mode.
The smoke sampling gun assembly further comprises a positioning card of the stop sleeve, and the positioning card is arranged on the instrument host shell.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. according to the gun barrel butt joint structure provided by the utility model, the spring is arranged between the threaded sleeve and the spring pin, so that the spring pin can axially move relative to the sleeve, and the spring pin, the sleeve, the spring and the knob are matched, so that the gun barrel butt joint structure can be conveniently and rapidly installed and dismantled, and is convenient to operate and simple in structure.
2. According to the smoke sampling gun assembly provided by the utility model, under the condition of low airflow velocity in a chimney, the normal sampling can be ensured by inserting the spring pin into the fixing hole of the outer tube assembly without a simple positioning mode of locking by threads, and the air leakage can be ensured.
3. According to the smoke sampling gun assembly provided by the utility model, the mode of spring pin, sleeve threaded connection and knob threaded connection is adopted, the positioning pin is matched and connected with the positioning hole, sampling in different directions can be met, and the gun barrel vibration possibly caused by different flow rates can be selected to be simply fixed or screwed and fixed according to actual conditions, so that the smoke sampling gun assembly is convenient and quick.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will be given simply with reference to the accompanying drawings, which are used in the description of the embodiments or the prior art, it being evident that the following description is only one embodiment of the utility model, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a smoke sampling gun assembly according to the present utility model;
FIG. 2 is a schematic view of a sample tube assembly according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a spring pin assembly according to the present utility model;
FIG. 4 is a schematic view of the upper station structure of the spring pin assembly provided by the utility model;
FIG. 5 is a schematic view of the lower station structure of the spring pin assembly provided by the utility model;
fig. 6 is an external structural schematic diagram of a spring pin assembly provided by the utility model.
In the figure, 10-sampling tube components, 11-inner tube components, 12-outer tube components, 13-heating wires, 14-positioning pins, 15-fixing holes, 20-spring pin components, 21-flange welding components, 23-sleeves, 24-spring pins, 25-springs, 26-knobs, 27-positioning holes, 28-deep rectangular grooves, 29-shallow rectangular grooves, 30-positioning clamps, 100-instrument host shells, 231-first stopping parts, 241-second stopping parts and 261-rectangular bars.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained without inventive effort by a person skilled in the art based on the embodiments of the present utility model, are within the scope of the present utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
Example 1
As shown in fig. 3-6, a barrel butt joint structure comprises a spring pin assembly 20 and a flange welding assembly 21, wherein the spring pin assembly 20 comprises a spring pin 24, a sleeve 23, a spring 25 and a knob 26, the sleeve 23 is arranged outside the spring pin 24, the sleeve 23 is connected with the flange welding assembly 21, the sleeve 23 is provided with a first stop part 231, the spring pin 24 is provided with a second stop part 241, one end of the spring 25 is fixedly connected with the first stop part 231, the other end of the spring 25 is fixedly connected with the second stop part 241, and the knob 26 is connected with the tail end of the spring pin 24. In this embodiment, the spring 25 is disposed between the threaded sleeve 23 and the spring pin 24, so as to ensure that the spring pin 24 can move axially relative to the sleeve 23.
Preferably, the sleeve 23 is threadably coupled to the flange welding assembly 21.
Preferably, the knob 26 is threadably connected to the end of the spring pin 24.
Preferably, a deep rectangular groove 28 is formed in the tail portion of the sleeve 23, a rectangular strip 261 is arranged on the knob 26, and the rectangular strip 261 is matched with the deep rectangular groove 28.
Preferably, the tail of the sleeve 23 is further provided with a shallow rectangular groove 29, and the rectangular strip 261 is adapted to the shallow rectangular groove 29.
Preferably, the deep rectangular grooves 28 and the shallow rectangular grooves 29 are spaced apart from each other. Preferably, the deep rectangular grooves 28 and the shallow rectangular grooves 29 are disposed at a 90 ° interval from each other.
Example 2
1-2, a smoke sampling gun assembly includes a barrel docking structure and sampling tube assembly 10 as described in embodiment 1, the sampling tube assembly 10 including an outer tube assembly 12, the outer tube assembly 12 having a securing bore 15 disposed therein for mating engagement with a spring pin 24. Specifically, in this embodiment, four fixing holes 15 are uniformly distributed in the circumferential direction on the outer tube assembly 12.
Preferably, the sampling tube assembly 10 further comprises an inner tube assembly 11 and a heating wire 13, wherein the inner tube assembly 11 is arranged inside the outer tube assembly 12, and the heating wire 13 is wound on the outer portion of the inner tube assembly 11. The heating wire 13 is used for heating the inner tube assembly 11, so that the collected sample gas is kept dry, and the measurement accuracy is ensured.
Preferably, the outer tube assembly 12 further comprises a positioning pin 14, a positioning hole 27 is arranged on the end face of the flange welding assembly 21, and the positioning pin 14 is connected with the positioning hole 27 in an adapting mode. Specifically, in this embodiment, four positioning holes 27 are uniformly distributed in 360 ° on the end face of the flange welding assembly 21.
Preferably, a positioning card 30 for stopping the sleeve 23 is further included, and the positioning card 30 is disposed on the instrument host housing 100.
During sampling, the sampling tube assembly 10 is inserted into the spring pin assembly 20, the spring pin 24 is inserted into the fixing hole 15 of the outer tube assembly 12, and then the sleeve 23 is driven by the rotary knob 26 to press the outer tube assembly 12, so that the sampling tube assembly 10 and the smoke direct-reading probe are fixed together.
In use of a smoke sampling gun assembly of the present embodiment, the spring pin 24 is in the up position prior to installation of the sampling tube assembly 10, as shown in FIG. 4. At this time, the rectangular bar 261 of the knob 26 is inserted into the deep rectangular groove 28 of the sleeve 23, the knob 26 is rotated outwards, meanwhile, the sleeve 23 is rotated outwards until the sleeve 23 cannot rotate, the positioning clamp 30 of the instrument host shell 100 blocks the sleeve 23 at this time, then the knob 26 is pulled, when the rectangular bar 261 is separated from the deep rectangular groove 28, the knob 26 is rotated clockwise or anticlockwise, the rectangular bar 261 is clamped into the shallow rectangular groove 29, the spring pin assembly 20 is positioned at a lower station, as shown in fig. 5, then the sampling tube assembly 10 is inserted into the spring pin assembly 20 along the flange welding assembly 21, and the positioning pin 14 on the outer tube assembly 12 is inserted into the positioning hole 27 corresponding to the flange welding assembly 21 according to the required sampling direction, so that the alignment is ensured; after being aligned, the knob 26 is pulled and then rotated to the deep rectangular groove 28 of the sleeve 23, the knob 26 is released, the spring pin 24 is inserted into the fixing hole 15 of the outer tube assembly 12 under the action of the spring 25, the knob 26 and the sleeve 23 are connected together, and the knob 26 is rotated inwards until the outer tube assembly 12 is pressed tightly. At this time, the docking is completed, and sampling can be started. After the sampling is finished, the knob 26 is rotated outwards, the sleeve 23 is separated from the outer tube assembly 12, the spring pin 24 is pulled outwards after the sleeve is in place, and the knob 26 is fixed in the shallow rectangular groove 29, so that the sampling tube assembly 10 is pulled out. The spring pin assembly 20 is in the lower working position, and then the spring pin assembly is not required to be restored to the upper working position, the sampling tube assembly 10 is directly inserted into the spring pin assembly for locking in the next sampling, and the shallow rectangular groove 29 is used for preventing the knob 26 from being touched by mistake to cause repeated pulling and rotating actions in the next butt joint.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. The utility model provides a barrel butt joint structure, its characterized in that, including spring pin subassembly (20) and flange welding subassembly (21), spring pin subassembly (20) include spring pin (24), sleeve (23), spring (25) and knob (26), sleeve (23) set up in the outside of spring pin (24), sleeve (23) are connected with flange welding subassembly (21), sleeve (23) are provided with first backstop portion (231), spring pin (24) are provided with second backstop portion (241), the one end and the first backstop portion (231) fixed connection of spring (25), the other end and the second backstop portion (241) fixed connection of spring (25), the end of spring pin (24) is connected to knob (26).
2. A barrel docking structure according to claim 1, characterized in that said sleeve (23) is screwed with a flange welding assembly (21).
3. A barrel docking structure according to claim 1, characterized in that the knob (26) is screwed to the end of the spring pin (24).
4. The gun barrel butt joint structure according to claim 1, wherein a deep rectangular groove (28) is formed in the tail portion of the sleeve (23), a rectangular strip (261) is arranged on the knob (26), and the rectangular strip (261) is matched with the deep rectangular groove (28).
5. A barrel docking structure according to claim 4, characterized in that the tail of the sleeve (23) is further provided with a shallow rectangular groove (29), and the rectangular strip (261) is adapted to the shallow rectangular groove (29).
6. A barrel docking structure according to claim 5, characterized in that said deep rectangular grooves (28) and shallow rectangular grooves (29) are spaced apart from each other.
7. A smoke sampling gun assembly comprising a barrel docking structure according to any one of claims 1 to 6 and a sampling tube assembly (10), said sampling tube assembly (10) comprising an outer tube assembly (12), said outer tube assembly (12) being provided with a fixing hole (15) for co-operation with a spring pin (24).
8. The smoke sampling gun assembly of claim 7, wherein said sampling tube assembly (10) further comprises an inner tube assembly (11) and a heating wire (13), said inner tube assembly (11) being disposed inside of said outer tube assembly (12), said heating wire (13) being wound outside of said inner tube assembly (11).
9. A smoke sampling gun assembly as claimed in claim 7, wherein the outer tube assembly (12) further comprises a locating pin (14), a locating hole (27) is provided in the end face of the flange welding assembly (21), and the locating pin (14) is connected with the locating hole (27) in an adapting manner.
10. The smoke sampling gun assembly of claim 7 further comprising a locator card (30) for stopping the sleeve (23), said locator card (30) being disposed on the instrument host housing (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320737445.2U CN219319872U (en) | 2023-04-06 | 2023-04-06 | Barrel butt joint structure and smoke and dust sampling rifle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320737445.2U CN219319872U (en) | 2023-04-06 | 2023-04-06 | Barrel butt joint structure and smoke and dust sampling rifle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219319872U true CN219319872U (en) | 2023-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320737445.2U Active CN219319872U (en) | 2023-04-06 | 2023-04-06 | Barrel butt joint structure and smoke and dust sampling rifle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219319872U (en) |
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2023
- 2023-04-06 CN CN202320737445.2U patent/CN219319872U/en active Active
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