CN109373081A - A kind of Single-channel Rolling connector - Google Patents
A kind of Single-channel Rolling connector Download PDFInfo
- Publication number
- CN109373081A CN109373081A CN201811440595.7A CN201811440595A CN109373081A CN 109373081 A CN109373081 A CN 109373081A CN 201811440595 A CN201811440595 A CN 201811440595A CN 109373081 A CN109373081 A CN 109373081A
- Authority
- CN
- China
- Prior art keywords
- rotary shaft
- chamber
- installation cavity
- seal ring
- outer housing
- 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.)
- Withdrawn
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 44
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims description 17
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L39/00—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
- F16L39/06—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies of the multiline swivel type, e.g. comprising a plurality of axially mounted modules
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses a kind of Single-channel Rolling connectors, including outer housing and rotary shaft, the installation cavity for installing rotary shaft is provided in outer housing, rotary shaft is rotatably arranged in installation cavity and the front end of rotary shaft stretches out installation cavity, the introduction channel that front and back penetrates through is provided in rotary shaft, the introducing port imported for external oil liquid or gas being connected with introduction channel is provided on outer housing, feature is to be provided with rotary shaft sealing between the lateral wall of rotary shaft and the inner sidewall of installation cavity.Advantage is that rotary shaft sealing is arranged between the lateral wall of rotary shaft and the inner sidewall of installation cavity, the inclusion seal between rotary shaft and outer housing is realized by rotary shaft sealing, and structure is simple, and sealing effect is good, it is low to the required precision of seal face, to significantly reduce production cost.
Description
Technical field
The present invention relates to a kind of rotary joints, more particularly, to a kind of Single-channel Rolling connector.
Background technique
The rotary shaft that rotary joint generally includes an outer housing and is arranged in outer housing, is mainly used for oil circuit or gas
Road is imported into high-speed rotating rotating mechanism, realizes the control and distribution of oil circuit or gas circuit in rotating mechanism.In order to ensure rotation
The efficiency that the stabilization and oil circuit or gas circuit of adapter internal pressure import is needed to prevent from letting out in generation inside rotary joint and be asked
Topic, that is, need to realize the inclusion seal between outer housing and rotary shaft, and current existing Single-channel Rolling connector relies primarily on
Balanced mechanical seal (end face seal), this sealing means are high to the required precision of sealing surface, need to carry out sealing surface
High-precision is ground, so that processing cost is larger.
Summary of the invention
A kind of technical problem to be solved by the invention is to provide structures good single channel of simple, at low cost and sealing effect
Rotary joint.
The technical scheme of the invention to solve the technical problem is:
A kind of Single-channel Rolling connector, including outer housing and rotary shaft are provided in the outer housing described for installing
The installation cavity of rotary shaft, the rotary shaft is rotatably arranged in the installation cavity and the front end of the rotary shaft
The installation cavity is stretched out, the introduction channel that front and back penetrates through is provided in the rotary shaft, is provided on the outer housing
The introducing port imported for external oil liquid or gas being connected with the introduction channel, the lateral wall of the rotary shaft with
Rotary shaft sealing is provided between the inner sidewall of the installation cavity.
The rotary shaft includes the section of stretching out set gradually from front to back, construction section and seal section, the section of stretching out
The outer housing is stretched out, bearing is installed on the construction section, the inner ring of the bearing is outer with the construction section
Side wall is fixedly connected, and the outer ring of the bearing is fixedly connected with the inner sidewall of the installation cavity, and the rotary shaft sealing is set
It sets between the lateral wall of the seal section and the inner sidewall of the installation cavity.Section of stretching out is stretched out installation cavity and is used for and outside
Other components be connected；Construction section realizes that rotary shaft is installed in rotation in installation cavity for installing bearing；Seal section
For installing rotary shaft sealing, play inner sealing.
The rotary shaft sealing includes the inner seal ring and outer seal ring of coaxial arrangement, and the inner seal ring is arranged in institute
In the outer seal ring stated, the front end face of the inner seal ring and the outer seal ring is tightly connected by a connection ring, institute
The outer seal ring stated is fixedly connected with the inner sidewall of the installation cavity, the outside of the inner seal ring and the seal section
The connection of wall palette.Above-mentioned rotary shaft sealing structure is simple, and sealing effect is good.
A washer is provided between the seal section and the inner seal ring, the washer fixation is set in described
Seal section, the inner seal ring is fitted and connected with the washer sealing.One is arranged between seal section and inner seal ring
Washer avoids directly contacting for inner seal ring and seal section, is formed and protected to seal section, so that rotary shaft is in rotary course,
Only washer, when seal failure of abrasion, only need to change washer, save maintenance cost.
The washer is made of hard alloy.Washer is made of hard alloy, can effectively reduce washer with it is interior close
Friction between seal ring so that service life is extended, while influencing the rotation speed of rotary shaft also smaller.
The outer diameter of the seal section is less than the outer diameter of the construction section.The design is so that between seal section and construction section
A limiting stand terrace is formed, plays the role of front limit and positioning to the installation of washer.
A positioning convex ring is provided on the construction section, the bearing is mounted on the rear end of the positioning convex ring.
The setting of positioning convex ring plays the role of front limit and positioning to the installation of bearing.
The front end face of the outer housing is recessed backward forms the installation cavity, and the installation cavity includes from front to back
The first chamber and second chamber set gradually, the first chamber and second chamber coaxial arrangement, the axis
It holds and the first chamber is set, the second chamber is arranged in the rotary shaft sealing.Said structure design makes zero
Part is able to ordered arrangement installation, and structure is neatly compact.
The internal diameter of the first chamber is greater than the internal diameter of the second chamber, makes the first chamber and described
A step surface is formed between second chamber, the front-end and back-end of the bearing are respectively arranged with the first stop collar and the second limit
Ring is provided with annular groove on the inner sidewall of the first chamber, and it is recessed that first stop collar is mounted on the annular
In slot, the rear end face of second stop collar, which supports, to be located on the step surface, and the front end face of the rotary shaft sealing, which supports, to be set
In the rear end face of second stop collar.By the setting of the first stop collar and the second stop collar, the installation of bearing is played
Limit and positioning action so that installation is stablized, while also functioning to limit and positioning action, structure letter to the installation of rotary shaft sealing
Single, installation is stablized.
The rear end of the installation cavity is provided with and communicated with an introduction chamber, and the introduction chamber and the introduction channel are coaxial
It is arranged, is provided with multiple introducing ports being connected with the introduction chamber, the introducing port on the outer housing
On be detachably connected with importing connector for importeding into oil liquid or gas in rotary joint；The introducing port described in one
It is stifled that oil is detachably provided in upper connection when the importing connector, on introducing port described in others.Above structure is realized
The multiplex roles design of the rotary joint, so that mounting means realizes diversification.
The material of the outer housing is copper.The outer housing perfect heat-dissipating of copper material.
Compared with the prior art, the advantages of the present invention are as follows: between the lateral wall of rotary shaft and the inner sidewall of installation cavity
Rotary shaft sealing is set, the inclusion seal between rotary shaft and outer housing is realized by rotary shaft sealing, structure is simple, sealing effect
It is good, it is low to the required precision of seal face, to significantly reduce production cost.
Detailed description of the invention
Fig. 1 is that the present invention removes importing connector and oily stifled schematic cross-sectional view；
Fig. 2 is the schematic cross-sectional view of outer housing in the present invention；
Fig. 3 is the schematic cross-sectional view that rotary shaft and rotary shaft sealing are cooperatively connected in the present invention；
Fig. 4 is that the present invention installs the schematic cross-sectional view for importing connector in different introducing ports.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figures 1 to 4, a kind of Single-channel Rolling connector, including outer housing 1 and rotary shaft 2, the interior setting of outer housing 1
There is the installation cavity 11 for installing rotary shaft 2, rotary shaft 2 is rotatably arranged in installation cavity 11 and the front end of rotary shaft 2
Installation cavity 11 is stretched out, the introduction channel 21 that front and back penetrates through is provided in rotary shaft 2, is provided with and introduction channel 21 on outer housing 1
The inner sidewall of the introducing port 12 imported for external oil liquid or gas being connected, the lateral wall of rotary shaft 2 and installation cavity 11 it
Between be provided with rotary shaft sealing 3.
In this particular embodiment, rotary shaft 2 includes the section of stretching out 201 set gradually from front to back, construction section 202 and close
Section 203 is sealed, section of stretching out 201 stretches out outer housing 1, and bearing 4, inner ring and the construction section 202 of bearing 4 are equipped on construction section 202
Lateral wall is fixedly connected, and the outer ring of bearing 4 is fixedly connected with the inner sidewall of installation cavity 11, and rotary shaft sealing 3 is arranged in seal section 203
Lateral wall and installation cavity 11 inner sidewall between.
In this particular embodiment, rotary shaft sealing 3 includes the inner seal ring 301 and outer seal ring 302 of coaxial arrangement, interior close
Seal ring 301 is arranged in outer seal ring 302, and the front end face of inner seal ring 301 and outer seal ring 302 is close by a connection ring 303
Envelope connection, outer seal ring 302 are fixedly connected with the inner sidewall of installation cavity 11, and inner seal ring 301 and the lateral wall of seal section 203 are close
Envelope is fitted and connected.
In this particular embodiment, a washer 5,5 fixing sleeve of washer are provided between seal section 203 and inner seal ring 301
It is located at seal section 203, inner seal ring 301 is connect with 5 palette of washer.
In this particular embodiment, washer 5 is made of hard alloy.
In this particular embodiment, the outer diameter of seal section 203 is less than the outer diameter of construction section 202.
In this particular embodiment, a positioning convex ring 2021 is provided on construction section 202, bearing 4 is mounted on positioning convex ring
2021 rear end.
In this particular embodiment, the front end face of outer housing 1 is recessed backward forms installation cavity 11, and installation cavity 11 includes before
The first chamber 111 and second chamber 112 set gradually backward, first chamber 111 and second chamber 112 are coaxially disposed, bearing 4
Setting is arranged in first chamber 111, rotary shaft sealing 3 in second chamber 112.
In this particular embodiment, the internal diameter of first chamber 111 is greater than the internal diameter of second chamber 112, makes first chamber 111
A step surface 113 is formed between second chamber 112, the front-end and back-end of bearing 4 are respectively arranged with the first stop collar 6 and second
Stop collar 7 is provided with annular groove 1111 on the inner sidewall of first chamber 111, and the first stop collar 6 is mounted on annular groove 1111
Interior, the rear end face of the second stop collar 7, which supports, to be located on step surface 113, and the front end face of rotary shaft sealing 3, which supports, is located at the second stop collar 7
Rear end face.
In this particular embodiment, the rear end of installation cavity 11 is provided with and communicated with an introduction chamber 13, and introduction chamber 13 and importing are logical
Road 21 is coaxially disposed, and is provided with multiple introducing ports 12 being connected with introduction chamber 13 on outer housing 1, on introducing port 12 removably
It is connected with the importing connector 8 for importeding into oil liquid or gas in rotary joint；It is imported when being connected on an introducing port 12
When connector 8, oil stifled 9 is detachably provided on other introducing ports 12.
In this particular embodiment, introducing port 12 is two, and two introducing ports 12 are separately positioned on the rear end face of outer housing 1
With the lower end surface of outer housing 1.
In this particular embodiment, the material of outer housing 1 is copper.
Claims (10)
1. a kind of Single-channel Rolling connector, including outer housing and rotary shaft, it is provided in the outer housing described for installing
Rotary shaft installation cavity, the rotary shaft is rotatably arranged in the installation cavity and the front end of the rotary shaft
Head stretches out the installation cavity, and the introduction channel that front and back penetrates through is provided in the rotary shaft, is arranged on the outer housing
There is the introducing port imported for external oil liquid or gas being connected with the introduction channel, it is characterised in that the rotation
Rotary shaft sealing is provided between the lateral wall of axis and the inner sidewall of the installation cavity.
2. a kind of Single-channel Rolling connector as described in claim 1, it is characterised in that the rotary shaft includes from front to back
Section of stretching out, construction section and the seal section set gradually, the section of stretching out are stretched out the outer housing, are pacified on the construction section
Equipped with bearing, the inner ring of the bearing is fixedly connected with the lateral wall of the construction section, the outer ring of the bearing and institute
The inner sidewall for the installation cavity stated is fixedly connected, the rotary shaft sealing be arranged in the seal section lateral wall and the peace
Between the inner sidewall behaveing affectedly.
3. a kind of Single-channel Rolling connector as claimed in claim 2, it is characterised in that the rotary shaft sealing includes coaxially setting
The inner seal ring and outer seal ring set, the inner seal ring are arranged in the outer seal ring, the inner seal ring and
The front end face of the outer seal ring is tightly connected by a connection ring, the inside of the outer seal ring and the installation cavity
Wall is fixedly connected, and the inner seal ring is connect with the lateral wall palette of the seal section.
4. a kind of Single-channel Rolling connector as claimed in claim 3, it is characterised in that the seal section with it is described interior close
It is provided with a washer between seal ring, the washer is fixed to be set in the seal section, the inner seal ring and described
Washer sealing is fitted and connected.
5. a kind of Single-channel Rolling connector as claimed in claim 4, it is characterised in that the washer uses hard alloy system
At.
6. a kind of Single-channel Rolling connector as claimed in claim 4, it is characterised in that the outer diameter of the seal section is less than institute
The outer diameter for the construction section stated.
7. a kind of Single-channel Rolling connector as claimed in claim 2, it is characterised in that be provided on the construction section certain
Position bulge loop, the bearing are mounted on the rear end of the positioning convex ring.
8. a kind of Single-channel Rolling connector as claimed in claim 2, it is characterised in that the front end face of the outer housing is backward
Recess forms the installation cavity, and the installation cavity includes the first chamber and second chamber set gradually from front to back, institute
The first chamber, the rotation is arranged in the first chamber and the second chamber coaxial arrangement, the bearing stated
The second chamber is arranged in shaft envelope.
9. a kind of Single-channel Rolling connector as claimed in claim 7, it is characterised in that the internal diameter of the first chamber is greater than
The internal diameter of the second chamber makes to form a step surface between the first chamber and the second chamber, described
The front-end and back-end of bearing are respectively arranged with the first stop collar and the second stop collar, are arranged on the inner sidewall of the first chamber
There is annular groove, first stop collar is mounted in the annular groove, and the rear end face of second stop collar supports
It is located on the step surface, the front end face of the rotary shaft sealing supports the rear end face for being located at second stop collar.
10. a kind of Single-channel Rolling connector as described in claim 1, it is characterised in that the rear end connection of the installation cavity is set
Be equipped with an introduction chamber, the introduction chamber and the introduction channel are coaxially disposed, be provided on the outer housing it is multiple with
The introducing port that the introduction chamber is connected is detachably connected on the introducing port for by oil liquid or gas
The importing connector importeding into rotary joint；It is other on the introducing port described in one when the upper described importing connector of connection
It is stifled that oil is detachably provided on the introducing port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811440595.7A CN109373081A (en) | 2018-11-29 | 2018-11-29 | A kind of Single-channel Rolling connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811440595.7A CN109373081A (en) | 2018-11-29 | 2018-11-29 | A kind of Single-channel Rolling connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109373081A true CN109373081A (en) | 2019-02-22 |
Family
ID=65374759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811440595.7A Withdrawn CN109373081A (en) | 2018-11-29 | 2018-11-29 | A kind of Single-channel Rolling connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109373081A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113404952A (en) * | 2021-05-17 | 2021-09-17 | 浙江海利得新材料股份有限公司 | Novel rotary joint |
-
2018
- 2018-11-29 CN CN201811440595.7A patent/CN109373081A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113404952A (en) * | 2021-05-17 | 2021-09-17 | 浙江海利得新材料股份有限公司 | Novel rotary joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190222 |
|
| WW01 | Invention patent application withdrawn after publication |