CN213684791U

CN213684791U - Rotary joint

Info

Publication number: CN213684791U
Application number: CN202022478090.9U
Authority: CN
Inventors: 董钰
Original assignee: Ningbo Yaji Technology Co ltd
Current assignee: Ningbo Yaji Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-07-13
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a rotary joint, it includes a casing, a first joint and a second joint, and the equal rotatable connection of first joint and second joint is on the casing, and the axis of first joint and the axis of second joint are 90 degrees contained angles, are provided with the fluid passage who is used for communicateing first joint and second joint in the casing, still are provided with the adjustment mechanism who is used for adjusting the fluid flow in the fluid passage on the casing. The utility model discloses be convenient for cylinder pipeline's connection to it can adjust the fluidic flow that flows through this rotary joint.

Description

Rotary joint

Technical Field

The utility model relates to a rotary joint.

Background

The cylinder is one of the commonly used components in machining, the cylinder needs to be supplied with gas to work, in reality, a plurality of cylinders are often used simultaneously, especially when the cylinder rotates along with the installed components in use, pipelines for supplying gas to the cylinder often intertwine, once the pipelines intertwine, insufficient gas supply can be caused to the cylinder, even the gas supply of the cylinder is interrupted, the machine needs to be stopped for arrangement, and the machining efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a rotary joint is provided, its cylinder pipeline's of being convenient for connection to it can adjust the fluidic flow that flows through this rotary joint.

In order to solve the technical problem, the utility model provides a rotary joint, it includes a casing, a first joint and a second connects, and first joint and the equal rotatable connection of second connect on the casing, and the axis of first joint and the axis that the second connects are 90 degrees contained angles, are provided with the fluid passage who is used for communicateing first joint and second and connect in the casing, still are provided with the adjustment mechanism who is used for adjusting the fluid flow in the fluid passage on the casing.

Preferably, the adjusting mechanism includes an adjusting rod and a locking member, a hole for allowing fluid in the fluid passage to flow through is formed in the fluid passage, the adjusting rod is inserted into the fluid passage, an insertion portion for inserting into the hole is formed in a portion of the adjusting rod located in the fluid passage, the insertion portion is configured to be a structure capable of changing a size of a gap between an outer wall of the insertion portion and an inner wall of the hole along with movement of the adjusting rod, the adjusting rod is movably connected with the housing, and the locking member is used for locking or unlocking the adjusting rod and the housing with each other.

Preferably, the insertion part is in a shape of a circular truncated cone, and the inner wall of the pore channel is in a shape of a cylinder.

Preferably, the adjusting rod is in threaded connection with the shell, and the locking piece is in threaded connection with the adjusting rod.

Preferably, the adjusting rod is provided with a knob part at a part outside the housing.

Preferably, the rotary joint further comprises a bearing, the bearing is sleeved on the first joint, and the first joint is inserted into the housing.

Preferably, an annular boss is arranged on the outer wall of the first joint, and the bearing is positioned between the annular boss and the shell.

Preferably, the second joint comprises a first connecting part, the housing comprises a second connecting part, and the first connecting part is rotatably sleeved on the second connecting part.

Preferably, the second connecting portion is provided with a through hole for communicating the fluid channel with the second joint, two sealing rings are arranged between the first connecting portion and the second connecting portion, and the through hole is located between the two sealing rings.

Preferably, a snap spring for fixing the second connector is sleeved on the second connecting part.

After the structure more than adopting, compared with the prior art, the utility model, have following advantage:

the utility model discloses a when rotary joint used, first joint and second among the rotary joint all can rotate, like this, when being connected to the cylinder with the pipeline through this rotary joint, the pipeline can rotate through first joint or second joint to the relative angle of regulation pipeline and cylinder makes the pipeline can not take place intertwine, the connection of the cylinder pipeline of being convenient for, and the utility model provides a fluid flow in the fluid passage can be adjusted to regulation structure, so that set for required fluid flow as required.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic view of the structure of the adjustment lever.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, 2 and 3, the rotary joint of the present embodiment includes a housing 10, a first joint 20 and a second joint 30, the first joint 20 and the second joint 30 are rotatably connected to the housing 10, an axis of the first joint 20 and an axis of the second joint 30 form an included angle of 90 degrees, and a fluid passage 100 for communicating the first joint 20 and the second joint 30 is provided in the housing 10, so that when a pipeline is connected to a cylinder through the rotary joint, the pipeline can be rotated through the first joint 20 or the second joint 30 to adjust a relative angle between the pipeline and the cylinder, so that the pipeline is not twisted with each other.

The housing 10 is also provided with an adjustment mechanism for adjusting the flow rate of the fluid in the fluid passage 100.

The adjusting mechanism comprises an adjusting rod 1 and a locking member 2, a duct 110 through which fluid in the fluid passage 100 flows is arranged in the fluid passage 100, the adjusting rod 1 is inserted into the fluid passage 100, a part of the adjusting rod 1 is positioned in the fluid passage 100, the other part of the adjusting rod 1 is positioned outside the housing 10, an insertion part 101 for inserting into the duct 110 is arranged on the part of the adjusting rod 1 positioned in the fluid passage 100, the insertion part 101 is configured to be a structure capable of changing the size of a gap between the outer wall of the insertion part 101 and the inner wall of the duct 110 along with the movement of the adjusting rod 1, that is, the size of an effective cross section of the duct 110 for flowing fluid can be changed along with the movement of the insertion part 101, the adjusting rod 1 is movably connected with the housing 10, and the locking member 2 is used for locking or unlocking the adjusting rod 1 and the housing 10 with each other, so that, when adjustment is needed, the adjusting rod 1 is unlocked through the locking member 2, then the fluid flow in the fluid channel 100 is adjusted through the adjusting rod 1, and after the adjustment is completed, the adjusting rod 2 is locked through the locking member 2.

The insertion part 101 is in a truncated cone shape, and the inner wall of the duct 110 is in a cylindrical shape, so that the size of the gap between the outer wall of the insertion part 101 and the inner wall of the duct 110 can be changed along with the radial movement of the insertion part 101, and the size of the effective cross section of the duct 110 for flowing fluid is also changed.

Adjust pole 1 and casing 10 threaded connection, retaining member 2 and adjust pole 1 threaded connection, like this, can make and adjust pole 1 radial movement through twisting regulation pole 1 to drive grafting portion 101 radial movement.

The adjusting rod 1 is provided with a knob portion 102 at a portion outside the housing 10, so that the adjusting rod 1 can be screwed conveniently through the knob portion 102.

The rotary joint further comprises a bearing 40, the bearing 40 is sleeved on the first joint 20, the first joint 20 is inserted into the housing 10, that is, a mounting hole is formed in the housing 10, the first joint 20 is screwed into the mounting hole, and the first joint 20 is rotatable.

The first connector 20 includes a plug portion 22, the hole 110 is disposed on the plug portion 22, and the plug portion 22 is connected to the housing 10 in a plug manner.

An annular boss 21 is arranged on the outer wall of the first joint 20, and the bearing 40 is positioned between the annular boss 21 and the shell 10, so that the annular boss 21 can limit the bearing 40.

The second joint 30 includes a first connecting portion 31, the housing 10 includes a second connecting portion 11, the adjusting rod 1 is in threaded connection with the second connecting portion 11, the first connecting portion 31 is in a sleeve shape, the second connecting portion 11 is in a column shape, the first connecting portion 31 is rotatably sleeved on the second connecting portion 11, and the first connecting portion 31 can rotate around the second connecting portion 11.

The second connecting portion 11 is provided with a through hole 12 for communicating the fluid passage 100 with the second joint 30, two sealing rings 13 are arranged between the first connecting portion 31 and the second connecting portion 11, the sealing rings 13 seal a gap between the first connecting portion 31 and the second connecting portion 11, and the through hole 12 is located between the two sealing rings 13, so that a sealing space between the two sealing rings 13 can be used for fluid flowing, so that when the second joint 30 rotates, the second joint 30 is always communicated with the fluid passage 100 in the housing 10.

A snap spring 50 for fixing the second connector 30 is sleeved on the second connecting portion 11, so that the snap spring 50 can prevent the second connector 30 from separating from the housing 10.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention, but should not be construed as limiting the claims, and the present invention is not limited to the above-described embodiments, but may be modified in various ways. In summary, all changes that can be made within the scope of the independent claims of the present invention are within the scope of the present invention.

Claims

1. A rotary joint is characterized by comprising a shell (10), a first joint (20) and a second joint (30), wherein the first joint (20) and the second joint (30) are rotatably connected to the shell (10), the axis of the first joint (20) and the axis of the second joint (30) form a 90-degree included angle, a fluid passage (100) for communicating the first joint (20) and the second joint (30) is arranged in the shell (10), and an adjusting mechanism for adjusting the flow of fluid in the fluid passage (100) is further arranged on the shell (10).

2. The rotary joint according to claim 1, wherein the adjusting mechanism comprises an adjusting lever (1) and a locking member (2), a channel (110) for flowing a fluid in the fluid channel (100) is formed in the fluid channel (100), the adjusting lever (1) is inserted into the fluid channel (100), a plug-in portion (101) for being inserted into the channel (110) is formed on a portion of the adjusting lever (1) located in the fluid channel (100), the plug-in portion (101) is configured to change a size of a gap between an outer wall of the plug-in portion (101) and an inner wall of the channel (110) along with movement of the adjusting lever (1), the adjusting lever (1) is movably connected to the housing (10), and the locking member (2) is used for locking or unlocking the adjusting lever (1) and the housing (10) to each other.

3. A swivel joint according to claim 2, wherein the spigot (101) is frusto-conical and the inner wall of the bore (110) is cylindrical.

4. A swivel joint according to claim 3, characterized in that the adjustment lever (1) is threadedly connected to the housing (10) and the locking member (2) is threadedly connected to the adjustment lever (1).

5. Swivel joint according to claim 4, characterized in that the adjustment lever (1) is provided with a knob portion (102) on a portion outside the housing (10).

6. A rotary joint according to claim 1, wherein the rotary joint further comprises a bearing (40), the bearing (40) is sleeved on the first joint (20), and the first joint (20) is inserted into the housing (10).

7. A swivel joint according to claim 6, characterized in that the outer wall of the first joint (20) is provided with an annular projection (21), and the bearing (40) is located between the annular projection (21) and the housing (10).

8. A rotary joint according to claim 7, wherein the second joint (30) comprises a first connecting portion (31), the housing (10) comprises a second connecting portion (11), and the first connecting portion (31) is rotatably received in the second connecting portion (11).

9. A swivel joint according to claim 8, wherein the second connection part (11) is provided with a through hole (12) for communicating the fluid channel (100) with the second joint (30), two sealing rings (13) are arranged between the first connection part (31) and the second connection part (11), and the through hole (12) is located between the two sealing rings (13).

10. A rotary joint according to claim 9, wherein the second connecting portion (11) is fitted with a circlip (50) for fixing the second joint (30).