CN203273111U - Rotary connector with in-place leakage detecting function - Google Patents

Rotary connector with in-place leakage detecting function Download PDF

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Publication number
CN203273111U
CN203273111U CN 201320304985 CN201320304985U CN203273111U CN 203273111 U CN203273111 U CN 203273111U CN 201320304985 CN201320304985 CN 201320304985 CN 201320304985 U CN201320304985 U CN 201320304985U CN 203273111 U CN203273111 U CN 203273111U
Authority
CN
China
Prior art keywords
running shaft
cavity
leak detection
fluid chamber
rotary
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201320304985
Other languages
Chinese (zh)
Inventor
辛丹丹
何明洪
林培高
夏魏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Yaguang Technology Co ltd
Original Assignee
Wenzhou Yaguang Machine Manufacture Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wenzhou Yaguang Machine Manufacture Co Ltd filed Critical Wenzhou Yaguang Machine Manufacture Co Ltd
Priority to CN 201320304985 priority Critical patent/CN203273111U/en
Application granted granted Critical
Publication of CN203273111U publication Critical patent/CN203273111U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a rotary connector with the in-place leakage detecting function. The rotary connector with the in-place leakage detecting function comprises a shell body, a rotary shaft and a rotary sealing device. A liquid return cavity, a rotary shaft installation base cavity, a liquid inlet and a liquid outlet are formed in the shell body, wherein the rotary shaft installation base cavity is used for installing the rotary shaft, and the liquid inlet and the liquid outlet are communicated with the liquid return cavity. The rotary shaft penetrates through the rotary shaft installation base cavity, extends into the liquid return cavity and then is assembled in the rotary shaft installation base cavity of the shell body through a bearing. The rotary sealing device is assembled in the liquid return cavity and comprises a rotary sealing assembly and a static sealing base, wherein the rotary sealing assembly is assembled on the rotary shaft and rotates along with the rotary shaft, the static sealing base is fixed in the liquid return cavity, a movable sealing ring of the rotary sealing assembly abuts against the static sealing base, and sealing between the liquid return cavity and the rotary shaft installation base cavity is achieved. A leakage detecting cavity is formed between the liquid return cavity and the rotary shaft installation base cavity, and the leakage detecting cavity is connected with a detection port which is provided with a plug. Compared with the prior art, the rotary connector with the in-place leakage detecting function has the advantages that the in-place leakage detection function of the rotary connector is achieved, and the operation is reliable and convenient.

Description

Swivel joint with leak detection function in place
Technical field
The utility model relates to a kind of swivel joint, is specifically related to a kind of swivel joint with leakage detecting structure in place.
Background technique
at present, in the industries such as pharmacy, food, chemical industry, the equipment that pumps for running shaft or running shaft, needs realize by a kind of swivel joint to heating material, when cooling by running shaft, this swivel joint comprises housing, running shaft and rotating sealing device, be provided with back to the fluid chamber in housing, the running shaft fitting seat chamber of installing for running shaft and with the liquid in-out mouth of back to the fluid chamber UNICOM, running shaft passes the bearing mounting base chamber, stretch in back to the fluid chamber, the running shaft warp beam takes up in the running shaft fitting seat chamber that fits over housing, rotating sealing device is assemblied in back to the fluid chamber, rotating sealing device comprises and is assemblied on running shaft with the rotating seal component of running shaft rotation and is fixed on static seal seat in back to the fluid chamber, the rotary packing ring of rotating seal component is pushed against on the static seal seat, realization is to the sealing between back to the fluid chamber and running shaft fitting seat chamber, when material is heated, during cooling down operation, liquid entering hole by swivel joint passes into heating or cooling material, the swivel joint back to the fluid chamber is discharged material, after working long hours, rotary packing ring and static seal seat wearing and tearing occur or damage, the material of back to the fluid chamber is along the rear slot leakage that occurs of wearing and tearing, and existing swivel joint material from leakage occurs and can not find timely, often waiting material to flow out housing just is found, and at this moment find often more late, the leakage of material may occur already, material has certain corrosion and damage to other parts, and for avoiding this problem to occur, usually need timing swivel joint is disassembled from equipment, check, waste time and energy.
Summary of the invention
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of swivel joint with leak detection function in place, need not swivel joint is disassembled from equipment, and can check at any time dynamic seal apparatus runnability, and the leak detection operation is reliable convenient.
for achieving the above object, the utility model provides following technological scheme: a kind of swivel joint with leak detection function in place, include housing, running shaft and rotating sealing device, be provided with back to the fluid chamber in housing, the running shaft fitting seat chamber of installing for running shaft and with liquid entering hole and the liquid outlet of back to the fluid chamber UNICOM, running shaft passes running shaft fitting seat chamber, stretch in back to the fluid chamber, the running shaft warp beam takes up in the running shaft fitting seat chamber that fits over housing, rotating sealing device is assemblied in back to the fluid chamber, rotating sealing device comprises and is assemblied on running shaft with the rotating seal component of running shaft rotation and is fixed on static seal seat in back to the fluid chamber, the rotary packing ring of rotating seal component is pushed against on the static seal seat, realization is to the sealing between back to the fluid chamber and running shaft fitting seat chamber, it is characterized in that: be provided with the leak detection cavity between described back to the fluid chamber and running shaft fitting seat chamber, the leak detection cavity is connected with and detects mouth, detect on mouth and be equipped with plug.
By adopting technique scheme, between back to the fluid chamber and running shaft fitting seat chamber, the leak detection cavity is set, in case material from leakage appears in back to the fluid chamber, material enters in the leak detection cavity, opens the detection mouth and can find material from leakage, at ordinary times, only need the regular plug of opening, observe, need not swivel joint is disassembled from equipment, realize leak detection in place, easy to operate.
The utility model further is set to: describedly detect the below that mouth is positioned at the leak detection cavity, detect mouthful with the leak detection cavity between the passage of inclination is set, detect mouthful through passage with hunt leak cavity UNICOM.
By adopting technique scheme, in case leaking appears in material, the material in the chamber of being convenient to hunt leak flows to and detects mouth, can in time find.
The utility model further is set to: the axial end positions in described running shaft fitting seat chamber is provided with seal ring, and seal ring is set on running shaft.
By adopting technique scheme, even damaging appears in rotating sealing device, do not have material yet and be leaked to outside housing, protect other parts.
The utility model further is set to: described plug is bolt, detects in mouth and is provided with internal thread, and the bolt spinning is in detecting mouth.
By adopting technique scheme, easy to operate.
Below in conjunction with accompanying drawing, the utility model is further described.
Description of drawings
Fig. 1 is the structural representation that the utility model specific embodiment has the swivel joint of leak detection function in place;
Fig. 2 is the partial enlarged view of Figure 1A part.
Embodiment
Referring to accompanying drawing 1, accompanying drawing 2, the disclosed a kind of swivel joint with leak detection function in place of the utility model includes housing 1, running shaft 2 and rotating sealing device 3; The running shaft fitting seat chamber 12 that is provided with back to the fluid chamber 11 in described housing 1, installs for running shaft 2 and with liquid entering hole 13 and the liquid outlet 14 of back to the fluid chamber 11 UNICOMs, the utility model swivel joint, liquid entering hole and liquid outlet can be changed mutually, and when namely one of them was liquid outlet, another was liquid entering hole; Running shaft 2 passes running shaft fitting seat chamber 12, stretches in back to the fluid chamber 11, and running shaft 2 is in bearing 4 is assemblied in the running shaft fitting seat chamber 12 of housing 1; Rotating sealing device 3 is assemblied in back to the fluid chamber 11, rotating sealing device 3 comprises and is assemblied on running shaft 2 with the rotating seal component 31 of running shaft rotation 2 and is fixed on static seal seat 32 in back to the fluid chamber 11, rotating seal component 31 comprises a shell 311, rotary packing ring 312 and spring 313, rotary packing ring 312 is pushed against on static seal seat 32 through spring 313, realization is to the sealing between back to the fluid chamber 11 and running shaft fitting seat chamber 12, and rotary packing ring 312 forms a friction pair with static seal seat 32 like this; Be provided with leak detection cavity 15 between described back to the fluid chamber 11 and running shaft fitting seat chamber 12, leak detection cavity 15 is connected with and detects mouthfuls 16, detects on mouthfuls 16 and is equipped with plug 17; Wherein plug 17 is bolt, detects in mouth 16 and is provided with internal thread, and the bolt spinning is in detecting mouth 16.Described mouthfuls 16 belows that are positioned at leak detection cavity 15 of detecting, detect mouthfuls 16 with leak detection cavity 15 between passage 18 UNICOMs through being obliquely installed, passage 18 is oblique and has a down dip to detecting mouth 16 from the cavity 15 of hunting leak.
When avoiding material from leakage occurring, material flows out housing, and described running shaft fitting seat chamber 12 axial end positions are provided with a seal ring 5, and seal ring 5 is set on running shaft 2.Even damaging appears in rotating sealing device like this, do not have material yet and be leaked to outside housing, reach other parts of protection.

Claims (5)

1. swivel joint with leak detection function in place, include housing, running shaft and rotating sealing device, be provided with back to the fluid chamber in housing, the running shaft fitting seat chamber of installing for running shaft and with liquid entering hole and the liquid outlet of back to the fluid chamber UNICOM, running shaft passes running shaft fitting seat chamber, stretch in back to the fluid chamber, the running shaft warp beam takes up in the running shaft fitting seat chamber that fits over housing, rotating sealing device is assemblied in back to the fluid chamber, rotating sealing device comprises and is assemblied on running shaft with the rotating seal component of running shaft rotation and is fixed on static seal seat in back to the fluid chamber, the rotary packing ring of rotating seal component is pushed against on the static seal seat, realization is to the sealing between back to the fluid chamber and running shaft fitting seat chamber, it is characterized in that: be provided with the leak detection cavity between described back to the fluid chamber and running shaft fitting seat chamber, the leak detection cavity is connected with and detects mouth, detect on mouth and be equipped with plug.
2. have according to claim 1 the swivel joint of leak detection function in place, it is characterized in that: describedly detect the below that mouth is positioned at the leak detection cavity, detect mouthful with the leak detection cavity between the passage of inclination is set, detect mouthful through passage with hunt leak cavity UNICOM.
3. described swivel joint with leak detection function in place according to claim 1 and 2, it is characterized in that: the axial end positions in described running shaft fitting seat chamber is provided with seal ring, and seal ring is set on running shaft.
4. described swivel joint with leak detection function in place according to claim 1 and 2, it is characterized in that: described plug is bolt, is provided with internal thread in detecting mouthful, the bolt spinning is in detecting mouthful.
5. have according to claim 3 the swivel joint of leak detection function in place, it is characterized in that: described plug is bolt, detects in mouth and is provided with internal thread, and the bolt spinning is in detecting mouth.
CN 201320304985 2013-05-29 2013-05-29 Rotary connector with in-place leakage detecting function Expired - Lifetime CN203273111U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320304985 CN203273111U (en) 2013-05-29 2013-05-29 Rotary connector with in-place leakage detecting function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320304985 CN203273111U (en) 2013-05-29 2013-05-29 Rotary connector with in-place leakage detecting function

Publications (1)

Publication Number Publication Date
CN203273111U true CN203273111U (en) 2013-11-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320304985 Expired - Lifetime CN203273111U (en) 2013-05-29 2013-05-29 Rotary connector with in-place leakage detecting function

Country Status (1)

Country Link
CN (1) CN203273111U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104075051A (en) * 2014-06-23 2014-10-01 中国科学院等离子体物理研究所 Flange having warning function
CN104295830A (en) * 2014-07-29 2015-01-21 江苏潮华玻璃制品有限公司 Flange connection type rotary joint

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104075051A (en) * 2014-06-23 2014-10-01 中国科学院等离子体物理研究所 Flange having warning function
CN104295830A (en) * 2014-07-29 2015-01-21 江苏潮华玻璃制品有限公司 Flange connection type rotary joint

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 325000 No. three, No. 4525, Binhai Park, Wenzhou economic and Technological Development Zone, Zhejiang, China

Patentee after: ZHEJIANG YAGUANG TECHNOLOGY Co.,Ltd.

Address before: 325000 No. three, No. 4525, Binhai Park, Wenzhou economic and Technological Development Zone, Zhejiang, China

Patentee before: Wenzhou Yaguang Machinery Manufacturing Co.,Ltd.

CX01 Expiry of patent term

Granted publication date: 20131106

CX01 Expiry of patent term