CN213576102U

CN213576102U - High-pressure hose's connection structure and air compressor

Info

Publication number: CN213576102U
Application number: CN202022507206.7U
Authority: CN
Inventors: 罗东
Original assignee: Dongguan New Warrior Mechanical And Electrical Equipment Co ltd
Current assignee: Dongguan New Warrior Mechanical And Electrical Equipment Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-06-29
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a connection structure of high pressure hose and adopt this connection structure's air compressor, including setting element and swivel sleeve, the inside of setting element is provided with the inside passage who is used for fluid transport, the outside of setting element is formed with the annular fluid groove of intercommunication inside passage, the one end of setting element is provided with the external screw thread post, the one end of inside passage extend to the end of external screw thread post and communicate with the outside of setting element, the swivel sleeve is provided with the pilot hole and overlaps on the setting element through the pilot hole, so that the swivel sleeve can be rotatory around the setting element, annular fluid trench is in the pilot hole, the inside of swivel sleeve is provided with fluid passage and is used for connecting the internal thread hole of high pressure hose, fluid passage's one end extends to the medial surface of pilot hole and is used for and communicates with annular fluid groove, fluid passage's the. The utility model discloses make high pressure hose can 360 degrees rotations, convenient to use is nimble and difficult quilt rupture.

Description

High-pressure hose's connection structure and air compressor

Technical Field

The utility model relates to a pipe connection technical field especially relates to a connection structure of high pressure hose and adopt this connection structure's air compressor.

Background

At present, the high-pressure hose is connected with a fluid source (such as a high-pressure inflator pump) directly, and is usually rigidly connected by threads, and the main defects of the connection mode are twisting, tangling, transmission limitation, even hose breakage and the like caused by the lack of the freedom of rotation.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a connection structure of high-pressure hose and adopt this connection structure's air compressor for high-pressure hose can 360 degrees rotations, and convenient to use is nimble and difficult quilt rupture.

The utility model discloses a connection structure of high pressure hose adopts following technical scheme to realize:

a connecting structure of a high-pressure hose comprises a positioning piece and a rotating sleeve, wherein an internal channel for conveying fluid is arranged inside the positioning piece, an annular fluid groove communicated with the internal channel is formed on the outer side of the positioning piece, an external threaded column is arranged at one end of the positioning piece, one end of the internal channel extends to the tail end of the external thread column and is communicated with the outside of the positioning piece, the rotating sleeve is provided with an assembly hole and is sleeved on the positioning piece through the assembly hole, so that the rotating sleeve can rotate around the positioning piece, the annular fluid groove is positioned in the assembly hole, the inner part of the rotating sleeve is provided with a fluid channel and an internal thread hole for connecting a high-pressure hose, one end of the fluid channel extends to the inner side face of the assembly hole and is used for being communicated with the annular fluid groove, and the other end of the fluid channel is communicated with the internal threaded hole.

Further, the internal passage comprises a first internal passage and a second internal passage, one end of the first internal passage extends to the tail end of the external threaded column, one end of the second internal passage is communicated with the first internal passage, and the other end of the second internal passage is communicated with the annular fluid groove.

Furthermore, an annular assembly groove for installing an O-shaped ring is formed on the outer side of the positioning piece, the annular fluid groove is located between the two annular assembly grooves, and the two annular assembly grooves are located in the assembly holes.

Furthermore, the positioning piece is provided with two annular bosses which are respectively positioned on two sides of the annular fluid groove so as to separate the annular fluid groove from the two annular assembling grooves.

Furthermore, the other end of the positioning piece is also provided with a screwing head.

Furthermore, the connecting structure further comprises a limiting sleeve sleeved on the positioning piece, and the rotating sleeve is clamped between the limiting sleeve and the screwing head.

The utility model discloses an air compressor adopts following technical scheme to realize:

an air compressor comprises the connecting structure.

Further, air compressor still includes high-pressure hose, high-pressure hose's both ends are provided with hose nipple and quick-connect female head respectively, hose nipple be provided with be used for with the external screw thread of internal thread jogged joint.

Further, the high-pressure hose is sleeved with a stainless steel guard spring.

Further, the air compressor further comprises an air release seat, and the external threaded column is in threaded connection with the air release seat.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a connection structure of high pressure hose and adopt this connection structure's air compressor, including setting element and swivel sleeve, the setting element is provided with internal channel and annular fluid groove, the swivel sleeve is provided with fluid passage and internal thread hole, the setting element passes through the external screw thread post and installs on the fluid source (like air compressor etc.), make the fluid can get into the internal channel of setting element and carry to annular fluid groove, get into the fluid passage of swivel sleeve again, then toward high pressure hose output, because annular fluid groove is annular, can keep fluid transmission not influenced when making the swivel sleeve relative setting element rotatory.

The utility model discloses make high pressure hose can 360 degrees rotations, convenient to use is nimble, and is difficult for taking place to curl, entangle, phenomenon such as transmission restriction and hose rupture.

Drawings

Fig. 1 is a schematic structural diagram of an air compressor according to an embodiment of the present invention;

FIG. 2 is a side view of the air compressor shown in FIG. 1;

FIG. 3 is a cross-sectional view of the air compressor shown in FIG. 1;

fig. 4 is a sectional view of a connection structure of a high-pressure hose according to an embodiment of the present invention;

FIG. 5 is a schematic view of a positioning member of the connection structure shown in FIG. 4;

fig. 6 is a structural view of a rotary sleeve of the coupling structure shown in fig. 4.

In the figure: 1. a positioning member; 11. an annular fluid groove; 12. an externally threaded post; 13. a first internal passage; 14. a second internal passage; 15. an O-shaped ring; 16. an annular assembly groove; 17. an annular boss; 18. screwing the head; 2. a rotating sleeve; 21. an assembly hole; 22. a fluid channel; 23. an internally threaded bore; 3. a limiting sleeve; 4. a high pressure hose; 41. a hose connector; 42. quickly connecting a female joint; 43. a stainless steel guard spring; 5. and a gas release seat.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

Refer to fig. 1-6. The embodiment of the utility model provides a connection structure of high pressure hose and adopt this connection structure's air compressor. Specifically, the connection structure of the present embodiment can be applied to various fields, such as an air compressor, a hydraulic mechanism, etc., and the present embodiment specifically describes an application manner of the connection structure in the air compressor.

Referring to fig. 4 to 6, the connection structure of the high pressure hose of the present embodiment includes a positioning member 1 and a rotary sleeve 2, an internal passage for conveying fluid is provided inside the positioning member 1, an annular fluid groove 11 communicating with the internal passage is formed outside the positioning member 1, an external threaded post 12 is provided at one end of the positioning member 1, one end of the internal passage extends to the end of the external threaded post 12 and communicates with the outside of the positioning member 1, the rotary sleeve 2 is provided with a fitting hole 21 and is fitted over the positioning member 1 through the fitting hole 21, so that the rotary sleeve 2 can rotate around the positioning member 1, the annular fluid groove 11 is positioned in the fitting hole 21, the rotary sleeve 2 is internally provided with a fluid passage 22 and an internally threaded hole 23 for connecting the high-pressure hose 4, one end of the fluid passage 22 extends to the inner side surface of the fitting hole 21 and is used for communicating with the annular fluid groove 11, and the other end of the fluid passage 22 communicates with the internally threaded hole 23.

Specifically, the internal passages include a first internal passage 13 and a second internal passage 14, one end of the first internal passage 13 extends to the end of the externally threaded post 12, one end of the second internal passage 14 communicates with the first internal passage 13, and the other end of the second internal passage 14 communicates with the annular fluid groove 11.

Specifically, the positioning member 1 is further formed on the outer side thereof with an annular fitting groove 16 for receiving the O-ring 15, the annular fluid groove 11 is located between the two annular fitting grooves 16, and both the annular fitting grooves 16 are located in the fitting hole 21. In this embodiment, the O-ring functions as a seal.

Specifically, the positioning member 1 is provided with two annular bosses 17, and the two annular bosses 17 are respectively located on both sides of the annular fluid groove 11 to separate the annular fluid groove 11 from the two annular fitting grooves 16.

Specifically, the other end of the positioning member 1 is further provided with a screwing head 18.

Specifically, the connecting structure of the present embodiment further includes a position-limiting sleeve 3 sleeved on the positioning member 1, and the rotating sleeve 2 is sandwiched between the position-limiting sleeve 3 and the screw head 18.

Refer to fig. 1-3. The air compressor of this embodiment includes the connection structure described in this embodiment.

Specifically, the air compressor further includes a high-pressure hose 4, a hose connector 41 and a quick-coupling female connector 42 are respectively provided at both ends of the high-pressure hose 4, and the hose connector 41 is provided with an external thread for connection with the internal thread hole 23.

Specifically, the high-pressure hose 4 is covered with a stainless steel guard spring 43.

Specifically, the air compressor further comprises an air release seat 5, and the external threaded column 12 of the positioning member 1 is in threaded connection with the air release seat 5.

It should be noted that the air compressor naturally further includes a compression cylinder, a piston rod, a driving motor, etc., but in order to facilitate the demonstration of the feature of the present invention that the high-pressure hose can rotate 360 degrees, fig. 1 to fig. 3 omit the compression cylinder, the piston rod, the driving motor, etc.

The embodiment of the utility model provides a principle does: the positioning member 1 is mounted on a fluid source (for example, on the air release seat 5 of an air compressor) through the external threaded stud 12, so that (air) fluid can enter the internal passage of the positioning member 1 and be conveyed to the annular fluid groove 11, then enter the fluid passage 22 of the rotating sleeve 2, and then be output to the high-pressure hose 4, and since the annular fluid groove 11 is annular, the rotating sleeve 2 can rotate relative to the positioning member 1 while keeping fluid transmission unaffected.

In particular, the present embodiment can ensure the sealability of the (air) fluid transfer process by providing the annular fitting groove and the O-ring.

Particularly, the high-pressure hose 4 is sleeved with a stainless steel protection spring 43, and the stainless steel protection spring 43 can protect the high-pressure hose to a certain extent and also can prevent the hose from being damaged or broken.

To sum up, the utility model discloses make high pressure hose can 360 degrees rotations, convenient to use is nimble, and is difficult for taking place to curl, entangle, transmit phenomenons such as restriction and hose rupture.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A connection structure of a high-pressure hose, characterized in that: comprises a positioning piece and a rotating sleeve, an internal channel for conveying fluid is arranged in the positioning piece, an annular fluid groove communicated with the internal channel is formed on the outer side of the positioning piece, an external threaded column is arranged at one end of the positioning piece, one end of the internal channel extends to the tail end of the external thread column and is communicated with the outside of the positioning piece, the rotating sleeve is provided with an assembly hole and is sleeved on the positioning piece through the assembly hole, so that the rotating sleeve can rotate around the positioning piece, the annular fluid groove is positioned in the assembly hole, the inner part of the rotating sleeve is provided with a fluid channel and an internal thread hole for connecting a high-pressure hose, one end of the fluid channel extends to the inner side face of the assembly hole and is used for being communicated with the annular fluid groove, and the other end of the fluid channel is communicated with the internal threaded hole.

2. The connecting structure according to claim 1, wherein: the internal passage comprises a first internal passage and a second internal passage, one end of the first internal passage extends to the tail end of the external threaded column, one end of the second internal passage is communicated with the first internal passage, and the other end of the second internal passage is communicated with the annular fluid groove.

3. The connecting structure according to claim 1, wherein: and the outer side of the positioning piece is also provided with an annular assembly groove for installing an O-shaped ring, the annular fluid groove is positioned between the two annular assembly grooves, and the two annular assembly grooves are positioned in the assembly holes.

4. The connecting structure according to claim 1, wherein: the positioning piece is provided with two annular bosses which are respectively positioned on two sides of the annular fluid groove so as to separate the annular fluid groove from the two annular assembling grooves.

5. The connecting structure according to any one of claims 1 to 4, wherein: and the other end of the positioning piece is also provided with a screwing head.

6. The connecting structure according to claim 5, wherein: the connecting structure further comprises a limiting sleeve sleeved on the positioning piece, and the rotating sleeve is clamped between the limiting sleeve and the rotating screwing head.

7. An air compressor characterized in that: comprising a connecting structure according to any one of claims 1 to 6.

8. The air compressor as set forth in claim 7, wherein: the air compressor further comprises a high-pressure hose, hose connectors and quick-connection female heads are arranged at two ends of the high-pressure hose respectively, and the hose connectors are provided with external threads used for being connected with the internal thread holes.

9. The air compressor as set forth in claim 8, wherein: the high-pressure hose is sleeved with a stainless steel protective spring.

10. An air compressor according to any one of claims 7 to 9, wherein: the air compressor further comprises an air release seat, and the external threaded column is in threaded connection with the air release seat.