CN216479501U

CN216479501U - Mining rotary joint

Info

Publication number: CN216479501U
Application number: CN202123053432.3U
Authority: CN
Inventors: 李义军
Original assignee: Shanxi Changhe Hydraulic Equipment Co ltd
Current assignee: Shanxi Changhe Hydraulic Equipment Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-05-10
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a mining rotary joint, including the articulated core of seting up the counter bore, articulated core lower part cover is equipped with rotating basis, and articulated core lower part outer wall is fitted with a contraceptive ring and is equipped with first annular, second annular and third annular, and first through-hole has been seted up to articulated core lower part, first through-hole intercommunication counter bore and first annular, the second annular is provided with O type sealing washer, is provided with the axle in the third annular and uses the jump ring, and rotating basis and articulated body coupling have seted up the second through-hole in the articulated body, and first annular communicates with the second through-hole. The rotary base upper end supports together with the upper portion outer fringe of articulated core, and the rotary base lower extreme supports together with the axle with the jump ring, further improves the sealing performance between articulated core and the rotary base through O type sealing washer, is provided with the articulated body on the rotary base outer wall, and the liquid in the articulated core has realized the articulated body along the free rotation of articulated core inside first through-hole, first annular and third through-hole flow direction articulated body, has satisfied the actual work demand.

Description

Mining rotary joint

Technical Field

The utility model belongs to the technical field of connect, especially, relate to a mining rotary joint.

Background

The joint is used for carrying out the connection between the pipeline, and present joint generally is the integral type structure, and the direction of connecting each interface is fixed, and in actual life, some mining equipment need rotate along the central siphon at the course of the work, and current joint can't satisfy the work demand.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a mining rotary joint.

The utility model discloses a realize like this: a mining rotary joint comprises a hinged core, wherein a counter sink is formed in the hinged core, the outer diameter of the upper portion of the hinged core is larger than the outer diameter of the lower portion of the hinged core, a first internal thread is arranged on the inner wall of the hinged core on the upper portion of the counter sink, the hinged core is tightly connected with an external thread arranged at one end of a pipeline through the first internal thread, so that the hinged core is reliably connected with the pipeline, a rotary base is sleeved on the lower portion of the hinged core, the upper end of the rotary base is abutted against the outer edge of the upper portion of the hinged core, the rotary base is prevented from being separated from the upper portion of the hinged core, the rotary base is tightly connected with the hinged core, the rotary base freely rotates along the hinged core and avoids liquid leakage, a first annular groove is formed in the outer wall of the lower portion of the hinged core, a first through hole is formed in the side wall of the lower portion of the hinged core, and the first through hole is communicated with the counter sink and the first annular groove, liquid in the counter bore flows into the first annular along the first through-hole, and the second annular groove has been seted up to the symmetry on the articulated core lower part outer wall that is located first annular both sides, be provided with nylon packing ring and O type sealing washer in the second annular groove, nylon packing ring and O type sealing washer closely support together with the rotating base, and nylon packing ring wearability is good, corrosion-resistant, further improves the sealing performance between articulated core and the rotating base through nylon packing ring and O type sealing washer, prevents that the liquid in the first annular from taking place to leak in the rotating base in the rotation process, is located the articulated core outer wall of rotating base below is fitted with a contraceptive ring and is equipped with the third annular, be provided with the jump ring for the axle in the third annular groove, the lower extreme of rotating base supports together with the jump ring for the axle, avoids the rotating base to break away from articulated core lower part, the fixed body that is provided with on the outer wall of rotating base, articulated body and rotating base formula structure as an organic whole, firm in connection is reliable, seted up the second through-hole in the articulated body, with the third through-hole has been seted up on the rotating base of articulated body junction, first annular is through third through-hole and second through-hole intercommunication, and the liquid in the first annular flows into in the second through-hole through the third through-hole.

Preferably, the cover is equipped with the connecting piece on the articulated body, the one end of connecting piece is established together with the articulated body card, prevents that the connecting piece from breaking away from the articulated body, is provided with the second internal thread on the inner wall of the connecting piece other end, through the external screw thread zonulae occludens that second internal thread and pipeline one end set up together to make the articulated body and pipeline reliably link together.

Preferably, the articulated body deviates from the one end of rotating basis and is provided with seal ring, and when pipeline and connecting piece threaded connection, the one end of pipeline and the one end of articulated body pass through seal ring and support together, guarantee the zonulae occludens between pipeline and the articulated body, prevent that the liquid in the second through-hole from leaking from the connecting piece.

Preferably, be provided with the steel packing ring between rotating basis and the jump ring for the axle, can adjust the position of rotating basis on articulated core, can carry out reliable stable support again to the lower extreme of rotating basis to play the guard action to the jump ring for the axle.

Preferably, a fourth ring groove is formed in the inner wall of the rotating base, the storage capacity of liquid in the first ring groove is enlarged, and the fourth ring groove corresponds to the first ring groove in position and is matched with the first ring groove in size.

Preferably, the outer contour of the upper part of the hinge core is of a regular hexagonal prism structure, so that the hinge core can be conveniently driven to rotate in a labor-saving manner through tools such as a wrench and the like, and the reliable connection between the hinge core and the pipeline is ensured.

The utility model has the advantages that: the utility model has the advantages of reasonable design, the inseparable cover in lower part of articulated core is equipped with rotating basis, rotating basis upper end is supported together with the upper portion outer fringe of articulated core, the rotating basis lower extreme supports together with the jump ring for the axle, sealing performance between articulated core and the rotating basis is further improved through nylon packing ring and O type sealing washer, be provided with the articulated body on the rotating basis outer wall, liquid in the articulated core is along first through-hole, first annular and third through-hole flow to the articulated internal portion, the free rotation of articulated core has been realized along to the articulated body, the actual work demand has been satisfied.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the present invention;

in the figure: 1. a hinge core; 2. a countersunk hole; 3. a first threaded hole; 4. rotating the base; 5. a first ring groove; 6. a first through hole; 7. a second ring groove; 8. a nylon washer; an O-shaped sealing ring; 10. a third ring groove; 11. a clamp spring for the shaft; 12. a hinge body; 13. a second through hole; 14. a third through hole; 15. a connecting member; 16. a second internal thread; 17. a sealing gasket; 18. a steel washer; 19. a fourth ring groove.

Detailed Description

In order to understand the technical solution of the present invention more clearly, the present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 and 2, the mining rotary joint comprises a hinge core 1, a counter bore 2 is formed in the hinge core 1, the outer diameter of the upper portion of the hinge core 1 is larger than the outer diameter of the lower portion of the hinge core 1, the outer contour of the upper portion of the hinge core 1 is a regular hexagonal prism structure, so that the hinge core 1 can be conveniently and laborsavingly driven to rotate by a wrench and other tools, the reliable connection between the hinge core 1 and a pipeline is ensured, a first internal thread 3 is formed on the inner wall of the hinge core 1 at the upper portion of the counter bore 2, the first internal thread 3 is tightly connected with an external thread arranged at one end of the pipeline, so that the hinge core 1 is reliably connected with the pipeline, a rotary base 4 is sleeved on the lower portion of the hinge core 1, the upper end of the rotary base 4 is abutted to the outer edge of the upper portion of the hinge core 1, and the rotary base 4 is prevented from being separated from the upper portion of the hinge core 1, the rotary base 4 is tightly connected with the hinge core 1, the rotary base 4 avoids liquid leakage while freely rotating along the hinge core 1, the outer wall of the lower part of the hinge core 1 is provided with a first annular groove 5 in a ring mode, the side wall of the lower part of the hinge core 1 is provided with a first through hole 6, the first through hole 6 is communicated with the counter sink 2 and the first annular groove 5, liquid in the counter sink 2 flows into the first annular groove 5 along the first through hole 6, the inner wall of the rotary base 4 is provided with a fourth annular groove 19, the liquid storage amount in the first annular groove 5 is enlarged, the fourth annular groove 19 corresponds to the first annular groove 5 in position and size, the outer wall of the lower part of the hinge core 1 at two sides of the first annular groove 5 is symmetrically provided with a second annular groove 7, a nylon gasket 8 and an O-shaped sealing ring 9 are arranged in the second annular groove 7, the nylon gasket 8 and the O-shaped sealing ring 9 are tightly abutted to the rotary base 4, the nylon washer 8 has good wear resistance and corrosion resistance, the sealing performance between the hinged core 1 and the rotary base 4 is further improved through the nylon washer 8 and the O-shaped sealing ring 9, the leakage of liquid in the first ring groove 5 in the rotating process of the rotary base 4 is prevented, a third ring groove 10 is arranged on the outer wall of the hinged core 1 below the rotary base 4 in a ring mode, a shaft-used clamp spring 11 is arranged in the third ring groove 10, the lower end of the rotary base 4 is abutted to the shaft-used clamp spring 11, the rotary base 4 is prevented from being separated from the lower part of the hinged core 1, a steel washer 18 is arranged between the rotary base 4 and the shaft-used clamp spring 11, the position of the rotary base 4 on the hinged core 1 can be adjusted, the lower end of the rotary base 4 can be reliably and stably supported, the shaft-used clamp spring 11 can be protected, a hinged body 12 is fixedly arranged on the outer wall of the rotary base 4, the hinge body 12 and the rotating base 4 are of an integral structure, the connection is firm and reliable, a second through hole 13 is formed in the hinge body 12, a third through hole 14 is formed in the rotating base 4 at the joint of the hinge body 12, the first ring groove 5 is communicated with the second through hole 13 through the third through hole 14, liquid in the first ring groove 5 flows into the second through hole 13 through the third through hole 14, a connecting piece 15 is sleeved on the hinge body 12, one end of the connecting piece 15 is clamped with the hinge body 12 to prevent the connecting piece 15 from being separated from the hinge body 12, a second internal thread 16 is arranged on the inner wall of the other end of the connecting piece 15, and is tightly connected with an external thread arranged at one end of a pipeline through the second internal thread 16, so that the hinge body 12 is reliably connected with the pipeline, and a sealing gasket 17 is arranged at one end of the hinge body 12 departing from the rotating base 4, when the pipe is screwed with the connecting piece 15, one end of the pipe is abutted with one end of the hinge body 12 through the sealing washer 17, so that tight connection between the pipe and the hinge body 12 is ensured, and liquid in the second through hole 13 is prevented from leaking from the connecting piece 15.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. A mining rotary joint comprises a hinged core, wherein a counter bore is formed in the hinged core, and the mining rotary joint is characterized in that the outer diameter of the upper portion of the hinged core is larger than the outer diameter of the lower portion of the hinged core, a first internal thread is arranged on the inner wall of the hinged core on the upper portion of the counter bore, a rotary base is sleeved on the lower portion of the hinged core, the rotary base is tightly connected with the hinged core, a first annular groove is formed in the outer wall of the lower portion of the hinged core in an annular mode, a first through hole is formed in the side wall of the lower portion of the hinged core and communicated with the counter bore and the first annular groove, second annular grooves are symmetrically formed in the outer wall of the lower portion of the hinged core on the two sides of the first annular groove, a nylon gasket and an O-shaped sealing ring are arranged in the second annular grooves, the nylon gasket and the O-shaped sealing ring are tightly abutted to the rotary base, and a third annular groove is formed in the outer wall of the hinged core below the rotary base, the shaft clamp spring is arranged in the third annular groove, the hinge body is fixedly arranged on the outer wall of the rotating base, a second through hole is formed in the hinge body, a third through hole is formed in the rotating base at the joint of the hinge body, and the first annular groove is communicated with the second through hole through the third through hole.

2. The mining rotary joint according to claim 1, wherein the hinge body is sleeved with a connecting piece, one end of the connecting piece is clamped with the hinge body, and a second internal thread is arranged on the inner wall of the other end of the connecting piece.

3. A mining swivel according to claim 1, characterised in that the end of the hinge body facing away from the swivel base is provided with a sealing gasket.

4. The mining swivel according to claim 1, wherein a steel washer is arranged between the swivel base and the shaft clamp spring.

5. The mining rotary joint according to claim 1, wherein a fourth ring groove is formed in an inner wall of the rotary base, and the fourth ring groove corresponds to the first ring groove in position and is matched with the first ring groove in size.

6. The mining swivel joint of claim 1, wherein the outer contour of the upper part of the hinge core is a regular hexagonal prism structure.