CN216815898U

CN216815898U - Sealing connection sample based on fire-fighting equipment pressure test

Info

Publication number: CN216815898U
Application number: CN202123081559.6U
Authority: CN
Inventors: 王伟祥
Original assignee: Suzhou Guang'an Construction Engineering Co ltd
Current assignee: Suzhou Guang'an Construction Engineering Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-06-24
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a sealed connection sample based on a fire-fighting equipment pressure test, which comprises a sealing assembly, wherein the sealing assembly comprises a sealing pipe and an internal threaded pipe fixedly arranged at the top end of the sealing pipe, the top of the internal threaded pipe is also provided with a connecting assembly, the connecting assembly comprises an external threaded pipe, the top end of the external threaded pipe is fixedly provided with an insertion pipe, and a flange is fixedly arranged at the joint of the insertion pipe and the external threaded pipe. When the device is used, the external thread pipe is fixedly connected with the end part of the inflation pipe, then the external thread pipe is screwed on the internal thread pipe, and further the assembly of the sealing pipe and the inflation pipe is completed.

Description

Sealing connection sample based on fire-fighting equipment pressure test

Technical Field

The utility model relates to the field of sealed connection samples, in particular to a sealed connection sample based on a fire-fighting equipment pressure test.

Background

The fire-fighting equipment is used for extinguishing fire, preventing fire and fire accidents, common fire-fighting equipment comprises a portable fire extinguisher, a fire blanket, a smoke-proof mask, an escape rope and a descent control device, after the portable fire extinguisher is produced, the tank body of the fire extinguisher needs to be subjected to sealing performance detection, and in the test process, the top end air inlet of the sample sealing tank body needs to be connected in a sealing manner so as to ensure the detection accuracy.

Patent No. CN205579006U discloses a multiple sealing connector, which comprises a bellmouth connector, a socket connector and a rubber ring, wherein the bellmouth connector and the socket connector are all provided with barb-shaped annular rings, which are engaged and sealed with each other, an annular baffle on the socket connector is locked and sealed with the end of the bellmouth connector, the bellmouth connector is provided with a semicircular convex ring, which can only compact the rubber ring for sealing, the compacted rubber ring deforms to both sides to make the rubber ring closer to the attached bellmouth connector, and sealing is ensured. The utility model has the advantages that: the sealing device has the advantages that the barb-shaped annular rings on the bell mouth connecting piece and the socket connecting piece are mutually occluded, the rubber ring in the rubber ring placing groove on the socket connecting piece is attached to the inner surface of the bell mouth connecting piece, and the semicircular convex ring on the bell mouth connecting piece seals the rubber ring in a pressing mode, the end part of the bell mouth connecting piece and the buckling mode of the annular baffle groove on the socket connecting piece, so that the sealing safety is higher, special tools and equipment are not needed, and the connection is very convenient.

Patent No. CN202158184U discloses a POM sealing element, which comprises an annular framework, wherein the section of the framework is in a wave tooth shape, and a rubber coating matched with the wave tooth shape is arranged outside the tooth surface of the wave tooth shape. The utility model has the beneficial effects that: the POM sealing structure belongs to a temperature self-tightening sealing structure, a framework of the POM sealing structure is made of a POM material with a smaller thermal expansion coefficient, an outer layer of the POM sealing structure is made of a rubber material with better low-temperature performance, and a connecting device is made of a POM material with a larger thermal expansion coefficient; when the temperature is reduced, the shrinkage of the threaded connection device is greater than that of the sealing element framework, so that the rubber elastic body on the outer side of the sealing element framework is compressed on the basis of the original compression, the contact stress is improved, and meanwhile, the sealing element framework is designed into a wave tooth shape, so that the sealing element framework has certain elasticity, the influence of the shrinkage of the rubber layer is compensated at a low temperature, and the low-temperature sealing performance is ensured.

Patent number CN202165449U a motor vehicle bearing seal spare, including sealing member and bearing, the sealing member includes sealed elastomer and support frame, and sealed elastomer lateral surface is equipped with seal ring, and support frame sets up the inboard at sealed elastomer, and this support frame's inboard is "L" shape, and the bearing setting is in "L" shape, and the bearing is interference fit with the sealing member, assembles together, forms overall structure. The utility model has the advantages that: the sealing element is tightly matched with the bearing, so that the mounting efficiency is improved, and the mounting space is saved; the sealing elements are simultaneously installed only by installing the bearing, so that the sealing effect is achieved; the vent hole can exhaust gas in the sealed cavity, and pressure of the cavity is reduced.

The above technology has the following disadvantages: the existing mode for detecting the sealing performance of the tank body of the fire extinguisher is as follows: firstly, the sealing connection sample sleeve is arranged at the air inlet at the top of the tank body, then the inflation tube is inserted into the sealing connection sample for inflation, and the sealing connection sample is required to be continuously installed and detached when the large-batch tank body is detected in the detection mode, so that the workload of detection personnel is increased, and the detection efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sealed connection sample based on a pressure test of fire-fighting equipment.

In order to achieve the above purpose, the utility model provides the following technical scheme: the sealing connection sample comprises a sealing assembly, wherein the sealing assembly comprises a sealing pipe and an internal threaded pipe fixedly arranged at the top end of the sealing pipe; the external thread pipe is in threaded connection with the internal thread pipe;

preferably, during the use, the external screw thread pipe is connected with the tip fixed connection of gas tube, then with the internal thread pipe external screw thread pipe of screwing on, and then accomplish the equipment of sealed tube and gas tube, in the use, the gas tube is direct to be inflated through the air inlet that sealed tube inserted the jar body, the sealed tube seals jar body air inlet, when needing to detect another jar body, directly extract the sealed tube and can detect, should connect the sample and be connected with the gas tube to make the detection mode of a plurality of jar bodies simplify, not only alleviate artifical burden, and improve detection efficiency.

Preferably, an insertion pipe is fixedly arranged at the top end of the external threaded pipe, a flange is fixedly arranged at the joint of the insertion pipe and the external threaded pipe, the insertion pipe is inserted into the inflation pipe, the flange on the outer side of the external threaded pipe corresponds to the flange on the outer side of the inflation pipe, and then the external threaded pipe and the inflation pipe are fixed by screwing bolts into the two flanges, so that the sealing performance of the joint of the external threaded pipe and the inflation pipe is improved.

Preferably, an air cavity is formed between the inner wall and the outer wall of the sealing pipe in a hollow manner, convex parts are arranged on the outer sides of the top and the bottom of the sealing pipe, a concave cavity is formed between the convex parts and the sealing pipe and communicated with the air cavity, an air faucet is fixedly arranged on the top of the sealing pipe and communicated with the air cavity, and the air faucet is embedded in the internal threaded pipe;

preferably, when the sealed tube inserted jar body air inlet department, the convex part of sealed tube bottom was located the inboard of air inlet, and the convex part at sealed tube top is located the outside of air inlet, is connected aeration equipment and air cock, then aerifys for the air cavity through the air cock, and the air cavity collides the air inlet of hugging closely the jar body simultaneously with two cavitys this moment, further improves the sealing performance of sealed tube, the through-hole has still been seted up to the top edge of sealed tube, and the air cock that is convenient for in the through-hole inserts the sealed tube, and the outside of internal thread pipe still fixedly is equipped with the arc cover, and sealed tube and arc cover are rubber materials and make.

In the technical scheme, the utility model provides the following technical effects and advantages:

when the device is used, the external thread pipe is fixedly connected with the end part of the inflation pipe, then the external thread pipe is screwed on the internal thread pipe, and further the assembly of the sealing pipe and the inflation pipe is completed.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is an overall longitudinal sectional view of the present invention.

Fig. 2 is a diagram illustrating the explosion effect of the present invention.

Fig. 3 is a longitudinal sectional view of the sealing tube of the present invention.

Fig. 4 is a schematic view of the overall structure of the present invention.

Description of reference numerals:

1. a seal assembly; 11. a sealing tube; 111. an air cavity; 112. a convex portion; 113. a concave cavity; 114. a through hole; 12. an internally threaded tube; 13. an air tap; 14. an arc-shaped cover; 2. a connecting assembly; 21. inserting a tube; 22. an externally threaded tube; 23. and (4) a flange.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

It will be understood that when an element is referred to as being "secured to" 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.

Referring to fig. 1, the utility model provides a sealing connection sample based on a pressure test of a fire-fighting apparatus, which includes a sealing assembly 1, where the sealing assembly 1 includes a sealing tube 11 and an internal threaded tube 12 fixedly disposed at a top end of the sealing tube 11, and unlike the prior art, a connection assembly 2 is further disposed at a top of the internal threaded tube 12, and the connection assembly 2 includes an external threaded tube 22; and the external threaded tube 22 is in threaded connection with the internal threaded tube 12;

referring to fig. 2, when in use, the external thread tube 22 is fixedly connected with the end of the inflation tube, then the internal thread tube 12 is screwed on the external thread tube 22, and further the assembly of the sealing tube 11 and the inflation tube is completed, in the use process, the inflation tube is directly inserted into the air inlet of the tank body through the sealing tube 11 for inflation, the sealing tube 11 seals the air inlet of the tank body, when another tank body needs to be detected, the sealing tube 11 is directly pulled out for detection, and the connection sample is connected with the inflation tube, so that the detection mode of the plurality of tank bodies is simplified, the manual burden is reduced, and the detection efficiency is improved.

Referring to fig. 4, an insertion tube 21 is fixedly disposed at the top end of the external threaded tube 22, a flange 23 is fixedly disposed at the joint of the insertion tube 21 and the external threaded tube 22, after the insertion tube 21 is inserted into the inflation tube, the flange 23 on the outer side of the external threaded tube 22 corresponds to the flange 23 on the outer side of the inflation tube, and then the external threaded tube 22 and the inflation tube are fixed by screwing bolts into the two flanges 23, so as to improve the sealing property at the joint of the external threaded tube 22 and the inflation tube.

Referring to fig. 3, an air cavity 111 is formed between the inner wall and the outer wall of the sealing pipe 11, convex portions 112 are disposed on the top and the outer side of the bottom of the sealing pipe 11, a concave cavity 113 is formed between the convex portions 112 and the sealing pipe 11, the concave cavity 113 is communicated with the air cavity 111, an air tap 13 is further fixedly disposed on the top of the sealing pipe 11, the air tap 13 is communicated with the air cavity 111, and the air tap 13 is embedded in the inner threaded pipe 12;

when sealed tube 11 inserts jar body air inlet department, convex part 112 bottom sealed tube 11 is located the inboard of air inlet, and convex part 112 at sealed tube 11 top is located the outside of air inlet, is connected aeration equipment and air cock 13, then aerifys for air cavity 111 through air cock 13, and air cavity 111 collides the air inlet of hugging closely the jar body simultaneously with two cavities 113 this moment, further improves sealed tube 11's sealing performance, through-hole 114 has still been seted up to sealed tube 11's top edge, and through-hole 114 is convenient for air cock 13 and inserts sealed tube 11, and the outside of internal thread pipe 12 still fixedly is equipped with arc cover 14, and sealed tube 11 and arc cover 14 are rubber materials and make.

The specific implementation mode is as follows: the existing mode for detecting the sealing performance of the tank body of the fire extinguisher is as follows: firstly, a sealing connection sample is sleeved at an air inlet at the top of the tank body, then an inflation tube is inserted into the sealing connection sample for inflation, and the sealing connection sample is required to be continuously installed and disassembled when a large batch of tank bodies are detected in the detection mode, so that the workload of detection personnel is increased, and the detection efficiency is reduced;

during the use, the tip fixed connection of external screw thread pipe and gas tube, then with the internal thread pipe external screw thread pipe of screwing on, and then accomplish the equipment of sealed tube and gas tube, in the use, the gas tube is direct to be inflated through the air inlet that the sealed tube inserted the jar body, the sealed jar of body air inlet of sealed tube, when needing to detect another jar of body, it can detect directly to extract the sealed tube, should connect sample and gas tube connection to make the detection mode of a plurality of jar bodies simplify, not only alleviate artifical burden, improve detection efficiency moreover.

It should be noted that, in this document, the term "comprises/comprising" or any other variation thereof is intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but also other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a sealing connection sample based on fire-fighting equipment pressure test, includes seal assembly (1), seal assembly (1) includes sealed tube (11) and fixed internal thread pipe (12) that set up on sealed tube (11) top, its characterized in that: the top of the internal threaded pipe (12) is also provided with a connecting assembly (2), and the connecting assembly (2) comprises an external threaded pipe (22); and the external thread pipe (22) is in threaded connection with the internal thread pipe (12).

2. The fire apparatus pressure test-based sealing connection test specimen according to claim 1, wherein: the top end of the external thread pipe (22) is fixedly provided with an insertion pipe (21), and a flange (23) is fixedly arranged at the joint of the insertion pipe (21) and the external thread pipe (22).

3. A fire apparatus pressure test based sealing connection specimen according to claim 1 or 2, characterized in that: an air cavity (111) is formed between the inner wall and the outer wall of the sealing tube (11) in a hollow mode.

4. A fire apparatus pressure test based seal connection specimen according to claim 3, wherein: the top of the sealing pipe (11) is also fixedly provided with an air tap (13), and the air tap (13) is communicated with the air cavity (111).

5. The fire apparatus pressure test-based sealing connection test specimen according to claim 4, wherein: through-hole (114) have still been seted up to the top edge of sealed tube (11), through-hole (114) are used for air cock (13) to insert sealed tube (11).

6. The fire apparatus pressure test-based sealing connection test specimen according to claim 1, wherein: the outer side of the internal thread pipe (12) is fixedly provided with an arc cover (14), and the sealing pipe (11) and the arc cover (14) are made of rubber materials.

7. A fire apparatus pressure test based seal connection specimen according to claim 3, wherein: convex parts (112) are arranged on the outer sides of the top and the bottom of the sealing pipe (11), and a concave cavity (113) is formed between the convex parts (112) and the sealing pipe (11).

8. The fire apparatus pressure test-based sealing connection test specimen according to claim 7, wherein: the cavity (113) is communicated with the air cavity (111).