CN217153411U

CN217153411U - Liquid-electricity rotary joint

Info

Publication number: CN217153411U
Application number: CN202220210976.1U
Authority: CN
Inventors: 孟庆雷
Original assignee: Tengzhou Jobon Machinery Co ltd
Current assignee: Tengzhou Jobon Machinery Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-08-09
Anticipated expiration: 2032-01-25

Abstract

The utility model relates to the technical field of hydraulic swivel joints, in particular to a liquid-electric swivel joint, which comprises a swivel joint and a swivel sleeve, wherein the swivel joint penetrates through the inner side of the swivel sleeve, the swivel joint is connected with the swivel sleeve, the inner side of the swivel sleeve is provided with an O-shaped sealing ring and an oil seal ring group, the O-shaped sealing ring and the oil seal ring group are both sleeved at the outer end of the swivel joint, the side end of the swivel sleeve is provided with a through hole, the through hole is positioned at the oil seal ring group, a detection piece is fixedly penetrated in the through hole and comprises a connecting pipe and a detection pipe, the end part of the connecting pipe positioned at the inner side of the swivel sleeve is contacted with the oil seal ring group, when the oil seal ring group cracks and leaks oil, the piston is extruded towards one side of the detection pipe by utilizing an expansion block, the piston extrudes detection water into the detection pipe through the conduction pipe, the detection block turns blue when meeting water, and the color is changed to make the prompt effect more obvious, the oil leakage condition of the oil seal ring group can be known conveniently and timely by workers.

Description

Liquid-electricity rotary joint

Technical Field

The utility model relates to a hydraulic pressure swivel joint technical field specifically is liquid electricity swivel joint.

Background

Every punching press of mechanical punch press is once, the main shaft needs a week of rotation, and main shaft brake's fuel feeding end passes through oil pipe connection on fixed oil tank, can't rotate together with the main shaft, need be connected through hydraulic pressure rotary joint device, among the current hydraulic pressure rotary joint device, rotary joint generally adopts split type, it constitutes with the apical ring to have the joint, the apical ring passes through the spring catch to be fixed in the rotary sleeve, the apical ring rotates along with the rotary sleeve, in order to avoid the wearing and tearing of joint with the apical ring, be equipped with the nylon packing ring between joint and apical ring, be equipped with the spring in apical ring and the rotary sleeve, be used for compressing tightly the contact surface of nylon packing ring and joint, it realizes through the high finish of joint terminal surface and nylon packing ring contact surface to seal.

Through search, chinese patent application No. 201620578250.8 discloses a hydraulic swivel joint device. The hydraulic rotary joint device comprises a rotary joint and a rotary sleeve, wherein the rotary sleeve is provided with a cavity with two communicated ends, the rotary joint is arranged in the cavity of the rotary sleeve, and a pair of bearings is arranged between the rotary joint and the rotary sleeve. Based on above retrieval, combine prior art discovery, current liquid electricity swivel joint lacks the structure that detects the oil leak, and staff can't in time learn when leading to taking place the oil leak.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid electricity swivel joint to solve the problem that proposes among the above-mentioned background art.

The technical scheme of the utility model is that: the hydro-electric swivel joint comprises a swivel joint and a swivel sleeve, wherein the swivel joint penetrates through the inner side of the swivel sleeve, the swivel joint is connected with the swivel sleeve, an O-shaped sealing ring and an oil seal ring group are arranged on the inner side of the swivel sleeve, the outer end of the swivel joint is sleeved with the O-shaped sealing ring and the oil seal ring group, a through hole is formed in the side end of the swivel sleeve, the through hole is located in the oil seal ring group, a detection piece is fixedly penetrated through the through hole and comprises a connecting pipe and a detection pipe, the end portion, located on the inner side of the swivel sleeve, of the connecting pipe is in contact with the oil seal ring group, the end portion, located on the outer side of the swivel sleeve, of the connecting pipe is connected with the detection pipe, a first detection structure is arranged in the connecting pipe, a second detection structure is arranged in the detection pipe, and the first detection structure is matched with the second detection structure.

Preferably, the detection structure one includes inflation piece and piston, the piston slides with the inner wall of connecting pipe and cooperates, the inflation piece is located the piston and is close to one side of oil seal circle group, the connecting pipe is close to the one end of detecting tube and is connected with the piece of opening and shutting.

Preferably, the opening and closing member comprises a conduction pipe, a sealing cover and an extension spring, the conduction pipe is fixedly communicated with the connecting pipe, the sealing cover is arranged at the end part of the conduction pipe far away from the connecting pipe, and the extension spring is fixedly connected between the sealing cover and the connecting pipe.

Preferably, the detection structure two comprises a detection block, the detection block is fixedly connected to the end part of the detection pipe far away from the connecting pipe, the inner side of the connecting pipe is filled with detection water, and the detection water is positioned on one side of the piston far away from the expansion block.

Preferably, the detection tube is a transparent tube, the end part of the connection tube far away from the oil seal ring group is fixedly connected with a connection ring, and the connection ring is in threaded connection with the detection tube.

Preferably, the expansion block is made of an oil absorption expansion material, and the detection block is pressed into a block by using anhydrous copper sulfate particles.

Preferably, the oil seal ring group comprises a first oil seal ring, a second oil seal ring and a lipophilic layer, the lipophilic layer is fixedly connected between the first oil seal ring and the second oil seal ring, and the lipophilic layer is blocked at the pipe orifice of the connecting pipe.

Preferably, wear-resistant coatings are arranged on the surfaces of the O-shaped sealing ring and the oil seal ring group.

The utility model discloses an improve and provide the liquid electricity swivel joint here, compare with prior art, have following improvement and advantage:

one is as follows: the sealing cover keeps the conduction pipe sealed under the action of the extension spring, and prevents detection water in the connecting pipe from accidentally entering the detection pipe to cause false detection; when the oil seal ring group cracks and leaks oil, the expansion block absorbs oil to expand, the expansion block extrudes the piston towards one side of the detection tube, the piston extrudes detection water into the detection tube through the conduction tube, the detection water contacts the detection block, the detection block turns blue when encountering water, the color is changed to enable the prompt effect to be more obvious, and a worker can conveniently know the oil leakage condition of the oil seal ring group in time;

the second step is as follows: the utility model discloses a setting includes the oil seal circle group of first oil seal circle, second oil seal circle and lipophilic layer for the mouth of pipe department of connecting pipe is located to the lipophilic layer stifled, and lipophilic layer can adopt oil absorption sponge material, and it is effectual to absorb oil, thereby is favorable to strengthening the detection effect, and the wear-resisting coating of the surface setting of O shape sealing washer and oil seal circle group can improve the wear resistance of O shape sealing washer and oil seal circle group, thereby is favorable to prolonging the life of O shape sealing washer and oil seal circle group.

Drawings

The invention is further explained below with reference to the figures and examples:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic perspective view of the detecting member of the present invention;

FIG. 3 is a schematic sectional view of the detecting member of the present invention;

fig. 4 is a schematic perspective view of the oil seal ring assembly of the present invention.

Description of reference numerals:

1. a swivel joint; 2. a rotary sleeve; 3. an O-shaped sealing ring; 4. an oil seal ring group; 401. a first oil seal ring; 402. a second oil seal ring; 403. a lipophilic layer; 5. a detection member; 501. a connecting pipe; 502. a detection tube; 503. a connecting ring; 504. an expansion block; 505. a piston; 506. a conduction pipe; 507. a sealing cover; 508. an extension spring; 509. and detecting the block.

Detailed Description

The present invention will be described in detail below, and it is apparent that the technical solutions in the embodiments of the present invention are described clearly and completely. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses an improve and provide the liquid electricity swivel joint here, the technical scheme of the utility model is:

as shown in fig. 1-4, the hydro-electric swivel joint includes a swivel joint 1 and a swivel sleeve 2, the swivel joint 1 penetrates the inner side of the swivel sleeve 2, the swivel joint 1 is connected to the swivel sleeve 2, the inner side of the swivel sleeve 2 is provided with an O-ring 3 and an oil-ring set 4, the O-ring 3 and the oil-ring set 4 are both sleeved on the outer end of the swivel joint 1, the side end of the swivel sleeve 2 is provided with a through hole located at the oil-ring set 4, a detection member 5 is fixed at the through hole and penetrates through the through hole, the detection member 5 includes a connection pipe 501 and a detection pipe 502, the end of the connection pipe 501 located at the inner side of the swivel sleeve 2 contacts the oil-ring set 4, the end of the connection pipe 501 located at the outer side of the swivel sleeve 2 is connected to the detection pipe 502, the connection pipe 501 is provided with a detection structure one, the detection structure one is adapted to the detection structure two, the detection structure one is used to detect the oil leakage of the oil-ring set 4, thereby make things convenient for the staff in time to learn the oil leak condition of oil seal group 4 from the outside.

Further, the detection structure one includes an expansion block 504 and a piston 505, the piston 505 is in sliding fit with the inner wall of the connection pipe 501, the expansion block 504 is located on one side of the piston 505 close to the oil seal ring group 4, one end of the connection pipe 501 close to the detection pipe 502 is connected with an opening and closing member, the opening and closing member includes a conduction pipe 506, a sealing cover 507 and a tension spring 508, the conduction pipe 506 is fixedly communicated with the connection pipe 501, the sealing cover 507 is covered on the end portion of the conduction pipe 506 far away from the connection pipe 501, the tension spring 508 is fixedly connected between the sealing cover 507 and the connection pipe 501, the detection structure two includes a detection block 509, the detection block 509 is fixedly connected to the end portion of the detection pipe 502 far away from the connection pipe 501, the inner side of the connection pipe 501 is filled with detection water, the detection water is located on one side of the piston 505 far away from the expansion block 504, the detection pipe 502 is a transparent pipe, the end portion of the connection pipe 501 far away from the oil seal ring group 4 is fixedly connected with a 503, and the connection ring 503 is in threaded connection with the detection pipe 502, the expansion block 504 is made of an oil absorption expansion material, and the detection block 509 is pressed into blocks by anhydrous copper sulfate particles; the sealing cover 507 keeps the conduction pipe 506 sealed under the action of the extension spring 508, so that the detection water in the connecting pipe 501 is prevented from accidentally entering the detection pipe 502 to cause false detection; when oil blanket circle group 4 oil leak that splits, expansion piece 504 oil absorption inflation, expansion piece 504 extrudees piston 505 towards one side of detecting tube 502, and during piston 505 will detect water and extrude into detecting tube 502 through conduction pipe 506, detect water contact and detect piece 509, detect piece 509 and meet water and turn blue, the change of colour makes the prompt effect more obvious, makes things convenient for the staff in time to learn the oil leak condition of oil blanket circle group 4.

Further, the oil seal ring group 4 comprises a first oil seal ring 401, a second oil seal ring 402 and an oleophilic layer 403, wherein the oleophilic layer 403 is fixedly connected between the first oil seal ring 401 and the second oil seal ring 402, and the oleophilic layer 403 is arranged at a pipe orifice of the connecting pipe 501 in a blocking manner; the oleophilic layer 403 can be made of an oil absorption sponge material, so that the oil absorption effect is good, and the detection effect is favorably enhanced.

Further, wear-resistant coatings are arranged on the surfaces of the O-shaped sealing ring 3 and the oil seal ring group 4; the wear-resistant coating can improve the wear resistance of the O-shaped sealing ring 3 and the oil seal ring group 4, thereby being beneficial to prolonging the service life of the O-shaped sealing ring 3 and the oil seal ring group 4.

The working principle is as follows: the sealing cover 507 keeps the conduction pipe 506 sealed under the action of the extension spring 508, so that the detection water in the connecting pipe 501 is prevented from accidentally entering the detection pipe 502 to cause false detection; when oil blanket circle group 4 oil leak that splits, expansion piece 504 oil absorption inflation, expansion piece 504 extrudees piston 505 towards one side of detecting tube 502, and during piston 505 will detect water and extrude into detecting tube 502 through conduction pipe 506, detect water contact and detect piece 509, detect piece 509 and meet water and turn blue, the change of colour makes the prompt effect more obvious, makes things convenient for the staff in time to learn the oil leak condition of oil blanket circle group 4.

Claims

1. Liquid electricity swivel joint, its characterized in that: the detection device comprises a rotary joint (1) and a rotary sleeve (2), wherein the rotary joint (1) penetrates through the inner side of the rotary sleeve (2), the rotary joint (1) is connected with the rotary sleeve (2), an O-shaped sealing ring (3) and an oil sealing ring group (4) are arranged on the inner side of the rotary sleeve (2), the O-shaped sealing ring (3) and the oil sealing ring group (4) are sleeved on the outer end of the rotary joint (1), a through hole is formed in the side end of the rotary sleeve (2), the through hole is located at the oil sealing ring group (4), a detection piece (5) is fixedly penetrated through the through hole, the detection piece (5) comprises a connecting pipe (501) and a detection pipe (502), the end portion, located on the inner side of the rotary sleeve (2), of the connecting pipe (501) is contacted with the oil sealing ring group (4), the end portion, located on the outer side of the rotary sleeve (2), of the connecting pipe (501) is connected with the detection pipe (502), the connecting pipe (501) is internally provided with a first detection structure, the detection pipe (502) is internally provided with a second detection structure, and the first detection structure is matched with the second detection structure.

2. The hydro-electric swivel joint of claim 1, wherein: the detection structure I comprises an expansion block (504) and a piston (505), the piston (505) is matched with the inner wall of the connecting pipe (501) in a sliding mode, the expansion block (504) is located on one side, close to the oil seal ring group (4), of the piston (505), and one end, close to the detection pipe (502), of the connecting pipe (501) is connected with an opening and closing piece.

3. The hydro-electric swivel joint of claim 2, wherein: the opening and closing piece comprises a conduction pipe (506), a sealing cover (507) and an extension spring (508), the conduction pipe (506) is fixedly communicated with the connecting pipe (501), the end part of the conduction pipe (506) far away from the connecting pipe (501) is covered by the sealing cover (507), and the extension spring (508) is fixedly connected between the sealing cover (507) and the connecting pipe (501).

4. The hydro-electric swivel joint of claim 3, wherein: the detection structure comprises a detection block (509), the detection block (509) is fixedly connected to the end part, far away from the connecting pipe (501), of the detection pipe (502), the inner side of the connecting pipe (501) is filled with detection water, and the detection water is located on one side, far away from the expansion block (504), of the piston (505).

5. The hydro-electric swivel joint of claim 4, wherein: the detection tube (502) is a transparent tube, the end part, far away from the oil seal ring group (4), of the connecting tube (501) is fixedly connected with a connecting ring (503), and the connecting ring (503) is in threaded connection with the detection tube (502).

6. The hydro-electric swivel joint of claim 5, wherein: the expansion block (504) adopts an oil absorption expansion material, and the detection block (509) is pressed into a block by adopting anhydrous copper sulfate particles.

7. The hydro-electric swivel joint of claim 1, wherein: the oil seal ring group (4) comprises a first oil seal ring (401), a second oil seal ring (402) and an oleophilic layer (403), wherein the oleophilic layer (403) is fixedly connected between the first oil seal ring (401) and the second oil seal ring (402), and the oleophilic layer (403) is blocked at the pipe orifice of the connecting pipe (501).

8. The hydro-electric swivel joint of claim 1, wherein: and wear-resistant coatings are arranged on the surfaces of the O-shaped sealing ring (3) and the oil seal ring group (4).