Pipe joint with high efficiency sealing structure

Abstract

The utility model discloses a pipe joint with high -efficient sealing structure, including metal joint pipe, circular ring casing, expansion type sealing mechanism, damping shock absorber ring and rubber seal, the inside intermediate position of metal joint pipe is fixed with the boss, the left and right sides of boss all stick to have one rubber seal, and the left half and right half of metal joint pipe all install one expansion type sealing mechanism that extends to its inside, and the left and right ends of metal joint pipe all are fixed with a circular ring casing, and the circular ring casing stores the damping liquid, and the damping shock absorber ring is fixed with the outside of metal joint pipe through the glue stick, the utility model discloses double seal, and the sealed effect is better, and has good shock attenuation function, reduces the influence of vibration to the sealing.

Description

Technical Field

[0001] This utility model relates to the field of pipe fitting technology, and in particular to pipe fittings with a high-efficiency sealing structure. Background Technology

[0002] Pipe fittings are used to connect pipes. Existing pipe fittings rely on a single sealing ring for connection and sealing, which is not sufficiently reliable. Furthermore, existing pipe fittings have poor vibration damping, causing the sealing effect of the ring to weaken significantly when exposed to vibration, thus affecting sealing performance. Therefore, there is an urgent need to develop pipe fittings with a double-seal design, offering better sealing performance and excellent vibration damping to reduce the impact of vibration on the seal. This would overcome the shortcomings in current applications and meet current needs. Utility Model Content

[0003] The purpose of this invention is to provide a pipe joint with a highly efficient sealing structure to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A pipe joint with a high-efficiency sealing structure includes a metal joint pipe, an annular shell, an expansion sealing mechanism, a damping shock absorber ring, and a rubber sealing ring. A boss is fixed at the center of the interior of the metal joint pipe, and a rubber sealing ring is adhered and fixed to both sides of the boss. An expansion sealing mechanism extending into the interior of each of the left and right halves of the metal joint pipe is installed. The expansion sealing mechanism includes a high-pressure gas storage shell, an elastic expansion bladder, a connecting pipe, a valve, an inlet pipe, and an end cap. The high-pressure gas storage shell is welded and fixed to the outside of the metal joint pipe, and an installation groove is provided inside the metal joint pipe. The elastic inflatable airbag is fixed in the mounting groove by adhesive. A connecting pipe connected to the elastic inflatable airbag is fixed on the high-pressure gas storage shell. The connecting pipe is welded to the metal connector pipe. The connecting pipe is also fixed to the elastic inflatable airbag by adhesive. A valve is installed on the connecting pipe. An air inlet pipe connected to the high-pressure gas storage shell is fixed on the high-pressure gas storage shell. An end cap is detachably connected to the air inlet pipe by threads. A circular shell is fixed at both ends of the metal connector pipe. Damping fluid is stored in the circular shell. The damping shock absorber ring is fixed to the outside of the metal connector pipe by adhesive.

[0006] Preferably, the metal connector pipe has internal threads on both the left and right sides inside, and the internal threads are used to connect with other pipes.

[0007] Preferably, a feed inlet is fixed on the annular housing, and a top cover is detachably connected to the feed inlet by means of threads, with a sealing gasket fixed inside the top cover.

[0008] Preferably, the damping shock absorber ring has multiple honeycomb holes.

[0009] Preferably, the damping shock absorber ring is made of butyl rubber damping material.

[0010] Preferably, the metal connector tube is made of stainless steel.

[0011] The beneficial effects of this utility model are as follows: When using this pipe joint with a highly efficient sealing structure, the external pipe is screwed into the metal joint pipe, and its front end is tightly pressed against the rubber sealing ring, achieving a first-level seal. Then, the valve is opened, allowing the high-pressure gas stored in the high-pressure gas storage shell (pre-injected with high-pressure gas during production) to enter the elastic expansion bladder, causing it to expand. This results in a tight seal between the elastic expansion bladder and the outer wall of the external pipe, achieving a second-level seal with even better sealing performance. Furthermore, when the metal joint pipe encounters vibration, it transmits the vibration to the annular shell and the damping shock absorber. The vibration causes friction between the liquid molecules of the damping fluid, dissipating the vibration force. The presence of honeycomb pores makes the damping shock absorber more prone to elastic deformation. The thin walls between the honeycomb pores bend and twist under stress. This complex deformation process converts the kinetic energy transmitted by vibration into the elastic potential energy of the material. Through continuous deformation and recovery, the damping shock absorber continuously absorbs vibration energy, thereby reducing the impact of vibration on the seal of the metal joint pipe. In summary, this utility model features a double seal, resulting in a better sealing effect and excellent shock absorption, reducing the impact of vibration on the seal. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0013] Figure 2 This is an internal sectional view of the present invention.

[0014] Figure 3 This is an internal view of the metal connector tube in this utility model.

[0015] Figure 4 This is a partial structural diagram of the present invention. Figure 1 .

[0016] Figure 5 This is a partial structural diagram of the present invention. Figure 2 .

[0017] Legend:

[0018] 1. Metal connector pipe; 101. Internal thread; 102. Boss; 103. Mounting groove; 2. Circular shell; 201. Damping fluid; 202. Inlet; 203. Top cover; 3. Expansion sealing mechanism; 301. High-pressure gas storage shell; 302. Elastic expansion air bladder; 303. Connecting pipe; 304. Valve; 305. Air inlet pipe; 306. End cover; 4. Damping shock absorber ring; 401. Honeycomb holes; 5. Rubber sealing ring. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0020] Specific implementation examples are given below.

[0021] See Figures 1-5In this embodiment of the utility model, the pipe joint with a high-efficiency sealing structure includes a metal joint pipe 1, an annular shell 2, an expansion sealing mechanism 3, a damping shock absorber ring 4, and a rubber sealing ring 5. The metal joint pipe 1 has internal threads 101 on both its left and right sides for connecting to other pipes. A boss 102 is fixed in the middle of the interior of the metal joint pipe 1, and a rubber sealing ring 5 is adhered and fixed to both sides of the boss 102. An expansion sealing mechanism 3 extending into the left and right halves of the metal joint pipe 1 is installed. The expansion sealing mechanism 3 includes: a high-pressure gas storage shell 301, an elastic expansion air bladder 302, a connecting pipe 303, a valve 304, and an air inlet. The high-pressure gas storage shell 301 is welded and fixed to the outside of the metal connector tube 1. An installation groove 103 is provided inside the metal connector tube 1. The elastic expansion airbag 302 is glued and fixed inside the installation groove 103. A connecting tube 303 communicating with the elastic expansion airbag 302 is fixed to the high-pressure gas storage shell 301. The connecting tube 303 is welded and fixed to the metal connector tube 1. The connecting tube 303 is glued and fixed to the elastic expansion airbag 302. A valve 304 is installed on the connecting tube 303. An air inlet pipe 305 communicating with the high-pressure gas storage shell 301 is fixed to the high-pressure gas storage shell 301. An end cap 306 is detachably connected to the air inlet pipe 305 via threads. A sealing gasket (not shown) is fixed inside the end cap 306. When the end cap 306 is tightened, the sealing gasket fits tightly against the air inlet pipe 305 to prevent air leakage. During production, a large amount of high-pressure gas is pre-injected into the high-pressure gas storage shell 301, and the valve 304 is in the closed state. A circular shell 2 is fixed at both ends of the metal connector pipe 1. The circular shell 2 stores damping fluid 201. When vibration occurs, the liquid molecules of the damping fluid 201 rub against each other to dissipate the vibration force. An inlet 202 is fixed on the circular shell 2. A top cover 203 is detachably connected to the inlet 202 by threads. A sealing gasket (not shown) is fixed inside the top cover 203. When the top cover 203 is tightened, the sealing gasket fits tightly against the inlet 202. To ensure a tight fit and prevent leakage, the damping shock absorber ring 4 is glued and fixed to the outside of the metal joint pipe 1. The damping shock absorber ring 4 has multiple honeycomb holes 401. The damping shock absorber ring 4 is made of butyl rubber damping material, which can convert vibration energy into heat energy and dissipate it, thereby reducing vibration. The presence of multiple honeycomb holes 401 makes the damping shock absorber ring 4 more prone to elastic deformation. The thin walls between the honeycomb holes 401 will bend and twist when subjected to force. This complex deformation process can convert the kinetic energy transmitted by vibration into the elastic potential energy of the material. Through continuous deformation and recovery, the damping shock absorber ring 4 continuously absorbs vibration energy, thereby reducing pipe vibration.

[0022] The metal connector tube 1 is made of stainless steel, which gives it good corrosion resistance.

[0023] Working principle: This pipe joint with a highly efficient sealing structure is used by screwing the external pipe into the metal joint pipe 1, ensuring its front end firmly presses against the rubber sealing ring 5. The rubber sealing ring 5 provides a first seal. Then, valve 304 is opened, allowing the high-pressure gas stored in the high-pressure gas storage shell 301 (pre-injected with high-pressure gas during production) to enter the elastic expansion bladder 302, causing it to expand. This results in a tight seal between the elastic expansion bladder 302 and the outer wall of the external pipe, achieving a second seal with even better sealing performance. Furthermore, when the metal joint pipe 1 experiences vibration... When the metal connector tube 1 transmits vibration to the annular shell 2 and the damping shock absorber ring 4, the vibration causes the liquid molecules of the damping fluid 201 to rub against each other, thus consuming the vibration force. The presence of the honeycomb holes 401 makes the damping shock absorber ring 4 more prone to elastic deformation. The thin wall between the honeycomb holes 401 will bend and twist when subjected to force. This complex deformation process can convert the kinetic energy transmitted by the vibration into the elastic potential energy of the material. Through continuous deformation and recovery, the damping shock absorber ring 4 continuously absorbs vibration energy, thereby reducing the impact of vibration on the seal on the metal connector tube 1.

[0024] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0025] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A pipe joint with a high-efficiency sealing structure, characterized in that, The device includes a metal connector tube (1), a circular housing (2), an expansion sealing mechanism (3), a damping shock absorber ring (4), and a rubber sealing ring (5). A boss (102) is fixed in the middle of the interior of the metal connector tube (1). A rubber sealing ring (5) is adhered and fixed to both the left and right sides of the boss (102). An expansion sealing mechanism (3) extending into the left and right halves of the metal connector tube (1) is installed. The expansion sealing mechanism (3) includes: a high-pressure gas storage shell (301), an elastic expansion airbag (302), a connecting pipe (303), a valve (304), an inlet pipe (305), and an end cap (306). The high-pressure gas storage shell (301) is welded and fixed to the outside of the metal connector tube (1). An installation groove (103) is provided inside the metal connector tube (1). The elastic expansion airbag (302)... 302) The high-pressure gas storage shell (301) is fixed in the mounting groove (103) by adhesive. A connecting pipe (303) connected to the elastic expansion air bag (302) is fixed on the high-pressure gas storage shell (301). The connecting pipe (303) is welded and fixed to the metal connector pipe (1). The connecting pipe (303) is fixed to the elastic expansion air bag (302) by adhesive. A valve (304) is installed on the connecting pipe (303). An air inlet pipe (305) connected to the high-pressure gas storage shell (301) is fixed. An end cap (306) is detachably connected to the air inlet pipe (305) by threads. A circular shell (2) is fixed at both ends of the metal connector pipe (1). Damping fluid (201) is stored in the circular shell (2). The damping shock absorber ring (4) is fixed to the outside of the metal connector pipe (1) by adhesive.

2. The pipe joint with a high-efficiency sealing structure according to claim 1, characterized in that, The metal connector pipe (1) has internal threads (101) on both the left and right sides inside, and the internal threads (101) are used to connect with other pipes.

3. The pipe joint with a high-efficiency sealing structure according to claim 1, characterized in that, The circular housing (2) is fixed with a feed inlet (202), and a top cover (203) is detachably connected to the feed inlet (202) by a thread. A sealing gasket is fixed inside the top cover (203).

4. The pipe joint with a high-efficiency sealing structure according to claim 1, characterized in that, The damping shock absorber ring (4) is provided with multiple honeycomb holes (401).

5. The pipe joint with a high-efficiency sealing structure according to claim 1, characterized in that, The damping shock absorber ring (4) is made of butyl rubber damping material.

6. The pipe joint with a high-efficiency sealing structure according to claim 1, characterized in that, The metal connector tube (1) is made of stainless steel.

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