CN217030373U - Rotatable three-way joint for rigid coaxial connection - Google Patents
Rotatable three-way joint for rigid coaxial connection Download PDFInfo
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- CN217030373U CN217030373U CN202123377373.5U CN202123377373U CN217030373U CN 217030373 U CN217030373 U CN 217030373U CN 202123377373 U CN202123377373 U CN 202123377373U CN 217030373 U CN217030373 U CN 217030373U
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Abstract
The utility model discloses a rotatable three-way joint for rigid coaxial connection, which is characterized in that a shaft body is arranged in an inner cavity of a shell, a medium through cavity communicated with two ends is arranged in the shaft body, and a rotating assembly is arranged between the shaft body and the medium through cavity to realize relative rotation; set up seal assembly on the axis body, the cooperation forms a sealed chamber to set up the through-hole that communicates sealed chamber and medium logical chamber on the axis body, set up the intercommunication on the casing the first interface in sealed chamber, the both ends of axis body then are second interface and third interface respectively, thereby form three interface of tee bend. But relative rotation between axis body and the casing to realized the coaxial rotary motion of axis body or casing for rotating assembly's axis of rotation, prevented that the external pipeline from taking place winding phenomenon, solved the problem that current three way connection can't satisfy rigidity coaxial coupling rotating equipment demand.
Description
Technical Field
The utility model belongs to the technical field of three-way joints, and particularly relates to a rotatable three-way joint for rigid coaxial connection.
Background
The tee is also called as a pipe tee or a tee pipe, a tee joint and the like. Mainly used for changing the direction of the fluid and is used at the position of a main pipeline and a branch pipeline. Can be classified according to the pipe diameter. Generally, the alloy steel is made of carbon steel, cast steel, alloy steel, stainless steel, copper, aluminum alloy, plastic, argon leaching, pvc and other materials.
However, the existing three-way joint cannot meet the requirement of rigid coaxial connection rotating equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a rotatable three-way joint for rigid coaxial connection, so as to solve the problem that the existing three-way joint cannot meet the requirement of rigid coaxial connection rotating equipment.
In order to solve the problems, the technical scheme of the utility model is as follows:
the utility model relates to a rotatable three-way joint for rigid coaxial connection, which comprises:
the shell is internally provided with a hollow inner cavity communicated with two ends, and the shell is provided with a first interface communicated with the hollow inner cavity;
the fixed end of the rotating component is arranged in the hollow inner cavity;
the shaft body is connected to the rotating end of the rotating assembly, and a second interface and a third interface are respectively arranged at two ends of the shaft body; a medium through cavity communicated with the second interface and the third interface is formed in the shaft body, and at least one through hole communicated with the medium through cavity and the hollow inner cavity is formed in the shaft body and corresponds to the first interface;
and the sealing assembly is arranged in the hollow inner cavity and is matched with the shaft body and the shell to form a sealing cavity communicated with the through hole and the first interface.
The utility model relates to a rotatable three-way joint for rigid coaxial connection, wherein a shaft body comprises a first positioning section, a first rotating section, a first sealing section, a sealing cavity section, a second sealing section, a second rotating section and a second positioning section which are sequentially connected;
the first positioning section is provided with the second interface; the second positioning section is provided with the third interface; the through hole is arranged in the sealed cavity section.
The utility model discloses a rotatable three-way joint for rigid coaxial connection, wherein a rotating assembly comprises a first bearing and a second bearing; the inner ring of the first bearing and the inner ring of the second bearing are respectively sleeved on the first rotating section and the second rotating section; the outer ring of the first bearing and the outer ring of the second bearing are arranged on the inner wall surface of the hollow inner cavity.
According to the rotatable three-way joint for rigid coaxial connection, two limiting bulges for limiting the axial movement of the first bearing and the second bearing towards the sealing cavity section are further arranged on the hollow inner cavity; the two limiting bulges are respectively used for contacting with the outer rings of the first bearing and the second bearing.
According to the rotatable three-way joint for rigid coaxial connection, one side, facing the first positioning section, of the first rotating section is provided with a stop step, and the stop step is used for being in contact with an inner ring of the first bearing;
one side of the second rotating section, which faces the second positioning section, is provided with a clamp spring groove, a clamp spring is clamped in the clamp spring groove, and the clamp spring is used for being in contact with the inner ring surface of the second bearing.
According to the rotatable three-way joint for rigid coaxial connection, the first bearing and the second bearing are both deep groove ball bearings.
According to the rotatable three-way joint for rigid coaxial connection, the first sealing section and the second sealing section are respectively at least one first sealing groove and at least one second sealing groove which are formed in the shaft body;
the seal assembly comprises at least one first dynamic seal and at least one second dynamic seal which are respectively arranged in the first seal groove and the second seal groove.
According to the rotatable three-way joint for rigid coaxial connection, the first dynamic seal and the second dynamic seal are both rotary GREEN rings.
According to the rotatable three-way joint for rigid coaxial connection, the first interface, the second interface and the third interface are all connecting threads.
According to the rotatable three-way joint for rigid coaxial connection, the shell is provided with the connecting key groove at the first interface.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following advantages and positive effects:
in one embodiment of the utility model, a shaft body is arranged in an inner cavity of a shell, a medium through cavity communicated with two ends is arranged in the shaft body, and a rotating assembly is arranged between the shaft body and the medium through cavity to realize relative rotation; set up seal assembly on the axis body, the cooperation forms a sealed chamber to set up the through-hole that feeds through sealed chamber and medium logical chamber on the axis body, set up the intercommunication on the casing the first interface in sealed chamber, the both ends of axis body then are second interface and third interface respectively, thereby form three interface of tee bend. But relative rotation between axis body and the casing to realized axis body or casing for the coaxial rotary motion of runner assembly's axis of rotation, prevented that the winding phenomenon from taking place for the external pipeline, solved the problem that current three way connection can't satisfy rigidity coaxial coupling rotating equipment demand.
Drawings
FIG. 1 is a schematic view of the body of a rotatable tee for a rigid coaxial connection of the present invention;
FIG. 2 is a schematic view of the housing of the rotatable tee for rigid coaxial connection of the present invention;
FIG. 3 is a schematic view of a rotatable tee fitting for rigid coaxial connection of the present invention.
Description of reference numerals: 1: a first positioning section; 2: a first rotation section; 3: a first seal section; 4: a sealed cavity section; 5: a second seal section; 6: a second rotation section; 7: a second positioning section; 8: a second interface; 9: a third interface; 10: a medium through cavity; 11: a through hole; 12: a stop step; 13: a clamp spring slot; 14: a clamp spring step; 15: a hollow interior cavity; 16: an outlet hole; 17: a link key slot; 18: a first bearing slot; 19: a second bearing detent; 20: a first interface; 21: a first bearing; 22: a second bearing; 23: a first dynamic seal; 24: a second dynamic seal; 25: a clamp spring; 26: the chamber is sealed.
Detailed Description
The rotatable tee coupling for rigid coaxial connection according to the present invention is described in further detail below with reference to the accompanying drawings and embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims.
Referring to fig. 1-3, in one embodiment, a rotatable tee for a rigid coaxial connection includes a housing, a rotating assembly, a shaft body, and a seal assembly.
Wherein, the shell is internally provided with a hollow inner cavity 15 communicated with the two ends (namely, the two ends of the shell are provided with an extending hole 16), and the shell is provided with a first interface communicated with the hollow inner cavity 15.
The fixed end of the rotating assembly is disposed within the hollow interior 15. The shaft is connected to the rotating end of the rotating assembly (so as to realize the relative rotation between the housing and the shaft), and the second interface 8 and the third interface 20 are respectively arranged at two ends of the shaft. The shaft body is internally provided with a medium through cavity 10 communicated with the second interface 8 and the third interface 20, and the shaft body is provided with at least one through hole 11 communicated with the medium through cavity 10 and the hollow inner cavity 15 corresponding to the first interface.
The seal assembly is disposed in the hollow interior 15 and cooperates with the shaft and the housing to form a seal chamber 26 communicating the through-hole 11 with the first port.
In the embodiment, a shaft body is arranged in an inner cavity of a shell, a medium through cavity 10 communicated with two ends is arranged in the shaft body, and a rotating assembly is arranged between the shaft body and the medium through cavity to realize relative rotation; set up seal assembly on the axis body, the cooperation forms a sealed chamber 26 to set up the through-hole 11 that communicates sealed chamber 26 and medium logical chamber 10 on the axis body, set up the intercommunication on the casing the first interface of sealed chamber 26, the both ends of axis body then are second interface 8 and third interface 20 respectively, thereby form three interfaces of tee bend. But relative rotation between axis body and the casing to realized axis body or casing for the coaxial rotary motion of runner assembly's axis of rotation (when using promptly, only the axis body is rotatory or only the casing is rotatory), prevented that the winding phenomenon from taking place for the external pipeline, solved the problem that current three way connection can't satisfy rigidity coaxial coupling rotating equipment demand.
The specific structure of the rotatable three-way joint for rigid coaxial connection of the present embodiment is further described below:
in this embodiment, the shaft body may include a first positioning section 1, a first rotating section 2, a first sealing section 3, a sealing cavity section 4, a second sealing section 5, a second rotating section 6, and a second positioning section 7, which are sequentially connected in the axial direction.
Wherein, the axis body is the axle of integrated into one piece. The second connector 8 is arranged on the first positioning section 1, the third connector 20 is arranged on the second positioning section 7, and the through hole 11 is arranged on the sealed cavity section 4.
In the present embodiment, the rotating assembly may specifically include a first bearing 21 and a second bearing 22. The inner ring of the first bearing 21 and the inner ring of the second bearing 22 are respectively sleeved on the first rotating section 2 and the second rotating section 6. The outer ring of the first bearing 21 and the outer ring of the second bearing 22 are correspondingly disposed on the inner wall surface of the hollow cavity 15, that is, the hollow cavity 15 is internally provided with a corresponding first bearing slot 18 and a corresponding second bearing slot 19.
Furthermore, the hollow inner cavity 15 is further provided with two limiting protrusions respectively used for limiting the axial movement of the first bearing 21 and the second bearing 22 towards the sealed cavity section 4, and the two limiting protrusions are respectively used for contacting with outer rings of the first bearing 21 and the second bearing 22.
Correspondingly, the side of the first rotation section 2 facing the first positioning section 1 is provided with a stop step 12, and the stop step 12 is used for contacting with the inner ring of the first bearing 21. One side of the second rotating section 6 facing the second positioning section 7 is provided with a clamp spring groove 13, the clamp spring groove 13 is provided with a clamp spring 25 in a clamped mode, and the clamp spring 25 is used for being in contact with the inner ring surface of the second bearing 22.
That is, the stopping step 12 and a limit protrusion are respectively disposed at both sides of the first bearing 21 and respectively connected to the inner race and the outer race of the first bearing 21. The clamp spring 25 and the other limiting bulge are respectively arranged on two sides of the second bearing 22 and are respectively connected with the inner ring and the outer ring of the second bearing 22. The purpose of the circlip 25 and the circlip groove 13 is to assemble, and if the stop steps 12 are provided at both ends, the installation of the two bearings cannot be realized.
Meanwhile, because the first positioning section 1 is inserted into the coupler in practical application, the length of the first positioning section 1 inserted into the coupler can be limited by the arrangement of the stop step 12. Similarly, due to the arrangement of the clamp spring groove 13, a clamp spring step 14 can be arranged on one side of the clamp spring groove 13 facing the second positioning section 7, and the length of the second positioning section 7 inserted into the coupler can also be limited.
Specifically, the first bearing 21 and the second bearing 22 may be deep groove ball bearings or other types of bearings, which are not limited herein.
In this embodiment, the first seal section 3 and the second seal section 5 may be at least one first seal groove and at least one second seal groove respectively disposed on the shaft body. The seal assembly may include at least one first dynamic seal 23 and at least one second dynamic seal 24 disposed in the first seal groove and the second seal groove, respectively.
The number of the sealing grooves and the dynamic seals can be increased progressively according to the use requirement. The two dynamic seals are respectively arranged in the two sealing grooves, the dynamic seals are matched with the wall surface of the hollow inner cavity 15 to form the sealing cavity 26, and the sealing cavity is respectively communicated with the through hole 11 positioned between the two sealing grooves and the corresponding first interface.
Specifically, the first dynamic seal 23 and the second dynamic seal 24 are both rotary gray rings. Of course, in other embodiments, the first dynamic seal 23 and the second dynamic seal 24 may also be in other dynamic seal forms, and are not limited in particular.
In the present embodiment, the first port, the second port 8 and the third port 20 are all connecting threads. For example, the three interfaces may be internal threads or external threads, and are not particularly limited herein.
In this embodiment, the housing is provided with a connecting key slot 17 at the first interface. The function of the connecting key slot 17 is to fix the relative position of the external pipeline or external equipment connected at the first interface by the matching of the key and the key slot.
In the present embodiment, the material of the shaft body may be SUS304, but is not limited thereto.
In the present embodiment, the material of the housing may be aluminum alloy, but is not limited to this.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, it is still within the scope of the present invention if they fall within the scope of the claims of the present invention and their equivalents.
Claims (10)
1. A rotatable tee coupling for a rigid coaxial connection, comprising:
the shell is internally provided with a hollow inner cavity communicated with two ends, and the shell is provided with a first interface communicated with the hollow inner cavity;
the fixed end of the rotating component is arranged in the hollow inner cavity;
the shaft body is connected to the rotating end of the rotating assembly, and a second interface and a third interface are respectively arranged at two ends of the shaft body; a medium through cavity communicated with the second interface and the third interface is formed in the shaft body, and at least one through hole communicated with the medium through cavity and the hollow inner cavity and corresponding to the first interface is formed in the shaft body;
and the sealing assembly is arranged in the hollow inner cavity and is matched with the shaft body and the shell to form a sealing cavity communicated with the through hole and the first interface.
2. The rotatable tee coupling for a rigid coaxial connection of claim 1, wherein said shaft body comprises a first positioning section, a first rotating section, a first sealing section, a sealing cavity section, a second sealing section, a second rotating section and a second positioning section connected in sequence;
the first positioning section is provided with the second interface; the second positioning section is provided with the third interface; the through hole is arranged in the sealed cavity section.
3. The rotatable tee coupling for a rigid coaxial connection of claim 2, wherein said rotating assembly comprises a first bearing and a second bearing; the inner ring of the first bearing and the inner ring of the second bearing are respectively sleeved on the first rotating section and the second rotating section; the outer ring of the first bearing and the outer ring of the second bearing are arranged on the inner wall surface of the hollow inner cavity.
4. The rotatable tee coupling for a rigid coaxial connection of claim 3, wherein said hollow interior further defines two stop protrusions for limiting axial movement of said first bearing and said second bearing, respectively, toward said seal housing section; the two limiting bulges are respectively used for contacting with the outer rings of the first bearing and the second bearing.
5. The rotatable three-way joint for rigid coaxial connection according to claim 3, wherein a side of the first rotation section facing the first positioning section is provided with a stop step for contacting with an inner ring of the first bearing;
one side of the second rotating section, which faces the second positioning section, is provided with a clamp spring groove, a clamp spring is clamped in the clamp spring groove, and the clamp spring is used for being in contact with the inner ring surface of the second bearing.
6. The rotatable three-way joint for a rigid coaxial connection of claim 3, wherein the first bearing and the second bearing are both deep groove ball bearings.
7. The rotatable tee joint for rigid coaxial connections of claim 2, wherein said first seal segment and said second seal segment are at least one first seal groove and at least one second seal groove, respectively, open on said shaft body;
the seal assembly comprises at least one first dynamic seal and at least one second dynamic seal which are respectively arranged in the first seal groove and the second seal groove.
8. The rotatable tee fitting for a rigid coaxial connection of claim 7, wherein said first dynamic seal and said second dynamic seal are both rotary GREEN.
9. The rotatable tee joint for rigid coaxial connections of claim 1, wherein said first port, said second port and said third port are connecting threads.
10. A rotatable three-way joint for rigid coaxial connections according to claim 1, wherein said housing is keyed at said first interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123377373.5U CN217030373U (en) | 2021-12-29 | 2021-12-29 | Rotatable three-way joint for rigid coaxial connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123377373.5U CN217030373U (en) | 2021-12-29 | 2021-12-29 | Rotatable three-way joint for rigid coaxial connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217030373U true CN217030373U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123377373.5U Active CN217030373U (en) | 2021-12-29 | 2021-12-29 | Rotatable three-way joint for rigid coaxial connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217030373U (en) |
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2021
- 2021-12-29 CN CN202123377373.5U patent/CN217030373U/en active Active
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