CN209604742U - A kind of air spring tee pipe coupling assembly - Google Patents

Abstract

The utility model belongs to jointing technical field, provide a kind of air spring tee pipe coupling assembly, threeway ontology including T-type, first siphunculus internal screw thread of threeway ontology is equipped with hose coupling, hose coupling has a through-hole, the first sealing ring is equipped between hose coupling and the first siphunculus, hose coupling has a hose connection end towards one end of the second siphunculus, hose connection end upper sleeve gasket is equipped with hose, hose is connected to by hose coupling with the first siphunculus, and hose and the first siphunculus, the second siphunculus inner wall between all have a gap passed through for fluid；Second siphunculus external screw thread of threeway ontology is equipped with locking nut, is further sleeved with the second sealing ring outside the second siphunculus, the second sealing ring is between locking nut and the end of the second siphunculus；The joint assembly for the inserting of fast plug is equipped in the third siphunculus of threeway ontology.The utility model is easy to install and use, and good airproof performance, reduces the maintenance and replacement frequency of connector, long service life.

Description

A tee pipe joint assembly for an air spring

technical field

The utility model relates to the technical field of connecting joints, in particular to a three-way pipe joint assembly for an air spring.

Background technique

The air spring is filled with compressed air in a sealed container, and uses the compressibility of the gas to achieve its elastic effect. Air springs have ideal nonlinear elastic characteristics. Compared with ordinary springs, they have significant advantages such as relatively slow speed, little change in dynamic force, and easy control. It can be designed lower, and the ride comfort is good.

At present, the joint components used on the air spring are mostly three-way pipe parts, and the connection between the air spring and the pipeline is realized through the three-way pipe; the air spring has high requirements for the installation and sealing of the joint, which cannot be realized by the current joint Effective sealing connection with the air spring, and the connection and disassembly of the joint is time-consuming and laborious, and the connection efficiency is low. In addition, because the pressure in the cavity of the air spring is high, generally several times or even dozens of times the atmospheric pressure, and the pressure in the cavity The changes are large. The current joints are prone to loosening and falling off of the joints or connecting hoses during long-term use, which is prone to leakage and damage. It cannot meet the long-term use needs of the air spring and has a low service life.

Therefore, developing a tee pipe joint assembly for an air spring not only has urgent research value, but also has good economic benefits and industrial application potential. This is the motivation and basis for the completion of this utility model.

Utility model content

In order to overcome the defects of the prior art pointed out above, the inventor has conducted in-depth research on this, and after paying a lot of creative work, thus completed the utility model.

Specifically, the technical problem to be solved by the utility model is: to provide a three-way pipe joint assembly for the air spring, which is used to realize the connection between the air spring and the pipeline, which is easy to install and use, and has good sealing performance and long service life. long.

For solving the problems of the technologies described above, the technical solution of the utility model is:

A tee pipe joint assembly for an air spring, installed at the interface position of the air spring, including a T-shaped tee body, the tee body includes an integrally formed first pipe, a second pipe and a third pipe pipe, the third through pipe is respectively perpendicular to the first through pipe and the second through pipe;

The end of the first through pipe is provided with an internal thread, and the internal thread of the first through pipe is equipped with a hose joint, and the hose joint has a through hole for fluid to pass through. A first sealing ring is arranged between a through pipe, and the hose connector is sealed and connected with the inner wall of the first through pipe through the first sealing ring, and the hose connector has a A hose connection end, the hose connection end is sealed with a hose, the hose communicates with the first through pipe through the hose joint, and the hose connects with the first through pipe , There is a gap for fluid to pass between the inner walls of the second through pipe;

The outer peripheral wall of the second through pipe is provided with external threads, and a lock nut is installed on the thread of the second through pipe, and a second sealing ring is also sleeved on the outside of the second through pipe, and the second sealing ring between the lock nut and the end of the second conduit;

A joint assembly for inserting a quick-connect plug is arranged in the third through pipe.

As an improved technical solution, the other end of the hose joint is provided with a slot in the radial direction.

As an improved technical solution, the hose connection end is provided with several bamboo-shaped reverse teeth, and one end of the hose is sealed and sleeved on the hose connection end through the bamboo-shaped reverse teeth.

As an improved technical solution, the side of the lock nut facing the second sealing ring is also provided with a locking groove suitable for the second sealing ring, and the depth of the locking groove is smaller than that of the The thickness of the second sealing ring, the second sealing ring is clamped in the slot.

As an improved technical solution, the joint assembly includes a gasket, a lock ring and a quick-insert nut seat installed in the third through pipe in sequence from the inside to the outside, and the end of the third through pipe is opened. There is an internal thread, and the quick-insert nut seat is threadedly installed in the third through pipe, and a third sealing ring is provided between the third through-pipe, and the quick-insert nut seat passes through the third sealing ring and the The third pipe is sealed and connected.

After adopting above-mentioned technical scheme, the beneficial effect of the utility model is:

The provided tee pipe joint assembly for the air spring, when in use, install the second pipe thread to the interface of the air spring, and use the lock nut and the second sealing ring to realize a firm and sealed connection with the air spring. A quick-plug joint is inserted in the three-way pipe, and the connection with the pipeline is realized through the quick-plug joint inserted in the third-way pipe and the first-way pipe; the connection between the air spring and the pipeline can be realized by using the three-way pipe joint assembly. Compared with the traditional pipeline joint structure, it is easy to install and use, has high connection efficiency, and has good sealing performance, which can meet the long-term use requirements of the air spring for the joint, and effectively avoid the occurrence of loosening or even falling off of the joint or connecting hose , Reduce the frequency of overhaul and replacement of joints, and have a long service life.

Description of drawings

In order to more clearly illustrate the specific implementation of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the specific implementation or the prior art. Throughout the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, elements or parts are not necessarily drawn in actual scale.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the left view structural representation of the utility model;

Fig. 3 is the schematic diagram of the enlarged structure of part I in Fig. 1;

Reference signs: 1-tee body; 101-first through pipe; 102-second through pipe; 103-third through pipe; 2-hose connector; 201-through hole; 202-hose connection end; 2021 -bamboo-shaped reverse tooth; 203-strip cut groove; 3-first sealing ring; 4-hose; 5-lock nut; 501-card slot; 6-second sealing ring; 7-sealing gasket; 8 - lock ring; 9 - quick insert nut seat; 10 - third sealing ring.

Detailed ways

Below in conjunction with specific embodiment the utility model is further described. However, the use and purpose of these exemplary embodiments are only used to illustrate the utility model, and do not constitute any form of any limitation on the actual protection scope of the utility model, let alone limit the protection scope of the utility model thereto.

As shown in Figure 1 and Figure 2, this embodiment provides a three-way pipe joint assembly for air springs, which is installed at the interface position of the air spring to realize the sealed connection between the air spring and the pipeline, including T-shaped The three-way body 1, the three-way body 1 includes an integrally formed first through pipe 101, a second through pipe 102 and a third through pipe 103, and the third through pipe 103 is perpendicular to the first through pipe 101 and the second through pipe 102 respectively .

The end of the first through pipe 101 is provided with an internal thread, and the internal thread of the first through pipe 101 is equipped with a hose joint 2. The hose joint 2 has a through hole 201 for fluid to pass through. The hose joint 2 and the first through pipe 101 is provided with a first sealing ring 3, and the hose joint 2 is sealed and connected with the inner wall of the first through pipe 101 through the first sealing ring 3, and the end of the hose joint 2 facing the second through pipe 102 has a hose connection end 202 , the hose connection end 202 is sealed with a hose 4, the hose 4 communicates with the first through pipe 101 through the hose joint 2, and the inner walls of the hose 4 and the first through pipe 101 and the second through pipe 102 are uniform There is a gap for fluid to pass through, and the communication with the third through pipe 103 is realized through the gap.

In this embodiment, a boss is provided in the second through pipe 102, and the hose joint 2 is threadedly installed in the second through hole 201, and the limited installation is realized through the boss in the second through hole 201. The first sealing ring 3 is located between the hose joint 2 and the boss of the second through hole 201. Under the action of the pressure of the hose joint 2, the two sides of the first sealing ring 3 are respectively against the hose joint 2 and the boss, so that After the hose connector 2 is installed in the second through pipe 102 , a sealed connection with the second through pipe 102 is realized.

In this embodiment, the other end of the hose joint 2 is radially provided with a strip-shaped cut groove 203 , which facilitates the installation of the hose joint 2 in the second through pipe 102 .

As shown in Figure 1 and Figure 3, in order to realize the effective sealing connection between the hose 4 and the hose joint 2, and prevent the hose 4 from loosening or falling out, the hose connection end 202 is provided with several bamboo-shaped reverse teeth 2021, One end of the hose 4 is sealed and sleeved on the hose connection end 202 through the bamboo-shaped reverse teeth 2021 .

The outer peripheral wall of the second through pipe 102 is provided with an external thread, and the second through pipe 102 is threaded with a lock nut 5, and the second through pipe 102 is also sleeved with a second sealing ring 6, and the second sealing ring 6 is located in the lock. Between the tight nut 5 and the end of the second through pipe 102 .

In this embodiment, the side of the lock nut 5 facing the second sealing ring 6 is also provided with a locking groove 501 compatible with the second sealing ring 6 , and the depth of the locking groove 501 is smaller than the thickness of the second sealing ring 6 , The second sealing ring 6 is clamped in the clamping groove 501 .

The locking nut 5 and the second sealing ring 6 structure provided on the second through pipe 102, when the air spring is connected with the air spring with the three-way pipe joint assembly, the second through pipe 102 is screwed to the air spring Then screw the lock nut 5 so that the second seal ring 6 is against the air spring, and press the second seal ring 6 between the lock nut 5 and the air spring to realize the connection with the air spring. Sealed connection, easy to install, and firm and reliable.

The third through pipe 103 is provided with a joint assembly for quick-connect plug insertion, and the joint assembly includes a gasket 7, a lock spring 8 and a quick-insert nut seat 9 installed in the third through pipe 103 in sequence from the inside to the outside. , the sealing gasket 7 is put into the annular position at the bottom of the forming hole of the third through pipe 103, and the end of the third through pipe 103 is provided with an internal thread, and the quick-insert nut seat 9 is threadedly installed in the third through pipe 103, and is connected with the third through pipe 103. There is a third sealing ring 10 between the through pipes 103, and the quick-connect nut seat 9 is sealed and connected with the third through pipe 103 through the third sealing ring 10; when in use, the quick-connect plug can be directly inserted into the third through pipe 103 , such as VOSS push-in connectors, can use the push-in connectors to realize the sealed connection between the third channel and the pipeline, and the operation is simple and convenient.

When the quick-insert joint is installed in the third pipe 103, one end of the locking retainer 8 is open, and the tapered end of the quick-insert joint pushes it away. After the quick-insert joint is inserted, the locking retaining ring 8 and the quick-insert The wide-side card slot 501 of the joint is engaged, and the lock spring 8 will be automatically centered. The gasket 7 enables the quick-connect joint to mesh with the lock spring 8 under axial pressure, and the quick-insert joint is installed through its groove. The sealing ring realizes the sealing with the quick-insert nut seat 9.

When in use, thread the second through pipe 102 to the interface of the air spring, and use the lock nut 5 and the second sealing ring 6 to realize a firm and sealed connection with the air spring, and insert a quick-plug connector into the third through pipe 103 , and through the push-in joint inserted in the third through pipe 103 and the first through pipe 101 to realize the connection with the pipeline respectively, the fluid can be connected with the third through the gap between the hose 4 and the second through pipe 102 The communication between the tubes 103, so as to realize the communication with the pipeline through the quick-plug joint in the third through tube 103, and at the same time, the fluid can be communicated with the second through tube 102 through the hose 4 and the hose joint 2, so that it can The communication with the pipeline is realized through the second through pipe 102 .

The three-way pipe joint assembly for the air spring based on the above structure can realize the connection between the air spring and the pipeline by using the three-way pipe joint assembly. Compared with the traditional pipeline joint structure, it is easy to install and use, and the connection efficiency is high. , and has good sealing performance, which can meet the long-term use requirements of the air spring for the joint, effectively avoids the joint or the connecting hose 4 from loosening or even falling off, reduces the frequency of overhaul and replacement of the joint, and has a long service life.

It should be understood that these examples are only used to illustrate the utility model and are not intended to limit the protection scope of the utility model. In addition, it should also be understood that after reading the technical content of the utility model, those skilled in the art can make various changes, modifications and/or variations to the utility model, and all these equivalent forms also fall within the scope of the appended rights of the application. within the scope of protection defined in the request.

Claims (5)

1. a kind of air spring tee pipe coupling assembly, is installed on the interface position of air spring, the threeway sheet including T-type Body, the threeway ontology include integrally formed first siphunculus, the second siphunculus and third siphunculus, the third siphunculus respectively with institute It is vertical to state the first siphunculus, second siphunculus, it is characterised in that:

The end of first siphunculus offers internal screw thread, and the first siphunculus internal screw thread is equipped with hose coupling, the hose Connector has a through-hole passed through for fluid, the first sealing ring is equipped between the hose coupling and first siphunculus, and described Hose coupling is tightly connected by first sealing ring and the first siphunculus inner wall, and the hose coupling is towards described second One end of siphunculus has a hose connection end, and the hose connection end upper sleeve gasket is equipped with hose, and the hose passes through described soft Pipe fitting is connected to first siphunculus, and the hose and first siphunculus, second siphunculus inner wall between all have One gap passed through for fluid；

The periphery wall of second siphunculus offers external screw thread, and screw thread is equipped with locking nut on second siphunculus, described It is further sleeved with the second sealing ring outside second siphunculus, second sealing ring is located at the end of the locking nut and second siphunculus Between end；

The joint assembly for the inserting of fast plug is equipped in the third siphunculus.

2. a kind of air spring tee pipe coupling assembly as described in claim 1, it is characterised in that: the hose coupling The other end radially offers a bar shaped and cuts slot.

3. a kind of air spring tee pipe coupling assembly as claimed in claim 2, it is characterised in that: the hose connection end Several laemodipodiform inverted teeths are equipped with, one end of the hose is loaded on the hose connection end by the laemodipodiform inverted teeth sealing shroud On.

4. a kind of air spring tee pipe coupling assembly as claimed in claim 3, it is characterised in that: the locking nut court It is additionally provided with card slot compatible with second sealing ring to the side of second sealing ring, and the depth of the card slot is less than The thickness of second sealing ring, second sealing ring are installed in the card slot.

5. a kind of air spring tee pipe coupling assembly according to any one of claims 1-4, it is characterised in that: described to connect Head assembly includes the gasket being successively installed in the third siphunculus from inside to outside, lock-bit circlip and inserts nut seat fastly, described The end of third siphunculus offers internal screw thread, and the nut seat screw thread slotting fastly is installed in the third siphunculus, and with described the Third sealing ring is equipped between tee tube, the nut seat slotting fastly is connected by the third sealing ring and third siphunculus sealing It connects.