TWM571918U - Rotatable joint assembly and high pressure oil pipe with rotatable joint assembly - Google Patents

Abstract

The present invention is a high pressure oil pipe joint comprising a first joint, a second joint and a press. The second joint is rotatably disposed to be in close contact with the first joint, and the outer wall surface of the second joint protrudes to form a fixing portion; the pressing member is sleeved on the first joint and the second joint and screwed to the first joint, and the pressing member is pressed A pressing portion is included, and the pressing portion selectively sandwiches the fixing portion of the second joint with the opening periphery of the first joint. Rotating through the first joint by the second joint, so that the two ends of the joint can be rotated relative to each other; and after the two ends are adjusted to the relative rotation angle, the compact is tightened relative to the first joint. In order to fix the two; thereby, the present invention is fixed to the oil pipe and connected to the gas cylinder, and the gas cylinder can be rotated relative to the high-pressure oil pipe of the present invention to be correspondingly installed in each vehicle.

Description

Rotatable joint assembly and high pressure oil pipe with rotatable joint assembly

The present invention relates to a high pressure oil pipe, especially a high pressure oil pipe of a steam locomotive.

In addition to the visible springs, the shock absorbers of the general locomotives also play a very important role in the air chamber, piston and damping mechanism inside the damper cylinder, so that the shock absorber can achieve shock absorption and stabilize the body. . In higher-order locomotive shock absorbers, the air chamber is separated from the inside of the damper cylinder and designed as an external cylinder to add new space in the damper cylinder to accommodate gas and damping oil, thus increasing Damping the oil and lengthening the piston stroke in the damper will ultimately result in better performance. Among them, the external gas cylinder is connected with the shock absorber itself by a high pressure oil pipe, so that the damping oil can flow between the gas cylinder and the shock absorber cylinder.

Referring to FIG. 10, the general high-pressure oil pipe comprises a pipe body 91 and a joint 92, and the two are fixed to each other; and the high-pressure oil pipe is screwed and fixed to the gas cylinder 93 by the joint 92, so that in order to make the high-pressure oil pipe and the gas When the bottle 93 is firmly and tightly coupled, the joint 92 must be tightened relative to the gas cylinder 93, that is, the gas cylinder 93 cannot be rotated relative to the tubular body 91 at this time.

However, when the gas cylinder 93 is mounted on the locomotive, it is required to be installed at different positions corresponding to different models, and since the cylinder of the cylinder 93 is designed with a knob for adjusting the damping, it must be specified for the convenience of the backward operation. The cylinder 93 is installed facing so that the cylinder 93 must have a specific directionality during installation, which may cause difficulty in installation due to the rotation of the external cylinder 93 relative to the tube 91, or Unwanted torque is applied to the tube body 91 after installation, resulting in reduced performance and increased damage. Thus, the high pressure oil pipes of the prior art do need to be improved.

In view of the foregoing shortcomings and deficiencies of the prior art, the present invention provides a rotatable joint assembly and a high pressure oil pipe having a rotatable joint assembly, the joint of which can be rotated relative to the tubular body after being screwed to the gas cylinder.

In order to achieve the above-mentioned creative purpose, the technical means adopted in the present invention is to design a rotatable joint assembly, comprising: a first joint, which is a tubular body and includes an opposite first connecting end and a first joint The second end of the first connecting end is provided with a thread; a second joint is a tube body and includes a second connecting end and a second connecting end, and the second connecting end is rotatably disposed Adhering to the first connecting end of the first joint, and the second joint is in communication with the first joint; the outer wall surface of the second joint is protruded to form a fixing portion, and the fixing portion is selectively abutted against the a peripheral edge of the first connecting end of the first joint; a pressing member sleeved on the first joint and the second joint, and screwed to the first connecting end of the first joint; the pressing member includes a And a pressing portion protruding toward a radially inner side of the pressing member, and selectively fixing the fixing portion of the second joint to a periphery of the opening of the first connecting end of the first joint.

In order to achieve the above-mentioned creative purpose, the technical means adopted in the present invention is to design a high-pressure oil pipe having a rotatable joint assembly, comprising: a pipe body; a rotatable joint assembly, wherein the second joint end of the second joint The tube body is fixed to the tube body, and the second joint is in communication with the tube body.

In order to achieve the above-mentioned creative purposes, the technical means adopted by the present invention is to design a high-pressure oil pipe having a rotatable joint assembly, comprising: a pipe body; a rotatable joint assembly, wherein the first joint end of the first joint The tube body is fixed to the tube body, and the first joint is in communication with the tube body.

The advantage of the present invention is that the second joint is rotatably passed through the first joint, so that the two ends of the joint can be relatively rotated after being combined; and the first joint is screwed by the pressure fitting, and The pressing portion selectively sandwiches the fixing portion of the second joint of the first connecting end of the first joint, thereby adjusting the relative rotation angle at both ends and then pressing the pressing member relative to the first joint The first joint and the second joint are tightly coupled to each other and are not rotatable; thus, one of the joints can be fixedly connected to the tubular body and screwed to the gas cylinder by another joint, so that The gas cylinder can be rotated relative to the tube body, and the tube body and the gas cylinder can be firmly and tightly connected when the pressure is tightened, without fear of oil leakage due to the gap caused by the rotation.

Further, the rotatable joint assembly and the high pressure oil pipe having the rotatable joint assembly, wherein the fixing portion of the second joint is a ring flange extending toward a radially outer side of the second joint, and the pressure The crimping portion of the firmware is a ring flange extending toward the radially inner side of the press.

Further, the rotatable joint assembly and the high pressure oil pipe having the rotatable joint assembly, wherein the first joint further comprises a connecting portion and a passage portion communicating with each other, the connecting portion and the first connecting end Connected, the channel segment is connected to the first joint end, and the inner diameter of the connecting segment is larger than the inner diameter of the channel segment.

Further, the rotatable joint assembly and the high pressure oil pipe having the rotatable joint assembly, wherein the inner diameter of the passage section is the same as the inner diameter of the second joint.

Further, the rotatable joint assembly and the high pressure oil pipe having the rotatable joint assembly, wherein the first joint further comprises a class surface surrounding the joint formed at the connecting portion and the passage segment; The peripheral edge of the second connecting end of the second joint selectively abuts the class face.

Further, the rotatable joint assembly and the high-pressure oil pipe having the rotatable joint assembly, wherein the outer wall surface of the second joint is recessed to form at least one receiving groove, the at least one receiving groove is annular and located Between the fixing portion and the second connecting end; a sealing ring is disposed in the at least one receiving groove, the sealing ring abuts against the inner wall surface of the first joint and the second joint is adhered to the first joint A joint.

Further, the rotatable joint assembly and the high pressure oil pipe having the rotatable joint assembly, wherein the adhesive ring is made of rubber.

Further, the rotatable joint assembly and the high pressure oil pipe having the rotatable joint assembly, wherein a guide bevel is formed between the opening periphery of the first joint end of the first joint and the inner wall surface of the first joint.

Further, the rotatable joint assembly and the high pressure oil pipe having the rotatable joint assembly, wherein the outer wall surface of the first joint end of the first joint is provided with a thread.

Further, the rotatable joint assembly and the high pressure oil pipe having the rotatable joint assembly further include a connecting pipe extending from the first joint end of the first joint, the connecting pipe and the first pipe The joint is in communication, and an end of the connecting pipe is formed with an annular joint having a through hole penetrating through the annular wall surface of the annular joint and communicating with the connecting pipe.

Further, the rotatable joint assembly and the high pressure oil pipe having the rotatable joint assembly, wherein the outer wall surface of the second joint end of the second joint is provided with a thread.

Further, the rotatable joint assembly and the high pressure oil pipe having the rotatable joint assembly further include a connecting pipe extending from the second joint end of the second joint, the connecting pipe and the second pipe The joint is in communication, and an end of the connecting pipe is formed with an annular joint having a through hole penetrating through the annular wall surface of the annular joint and communicating with the connecting pipe.

The technical means adopted by the present invention for achieving the intended purpose of creation are further explained below in conjunction with the drawings and the preferred embodiment of the present invention.

Referring to FIG. 1 , FIG. 2 , FIG. 3 and FIG. 4 , the high pressure oil pipe with the rotatable joint assembly of the present invention comprises a first joint 10 , a second joint 20 , a pressing member 30 and a tubular body 40 .

The first joint 10 is a tubular body and includes an opposite first connecting end 11 and a first joint end 12, and the outer wall surface of the first connecting end 11 is provided with a thread; further, in the embodiment, the first joint 10 Further comprising a connecting section 13 and a channel section 14 connected to each other, and a class surface 15;

The connecting section 13 is connected to the first connecting end 11, and the inner diameter of the connecting section 13 is larger than the inner diameter of the channel section 14, and the connecting section 13 and the channel section 14 are identical in inner diameter in this embodiment, but not The channel section 14 is connected to the first joint end 12 of the first joint 10; the level surface 15 is connected to the joint section 13 and the passage section 14, but the structure of the first joint 10 is not limited to the above, and there is no class. The face 15 has a tapered section connecting the connecting section 13 and the channel section 14, and the connecting section 13 and the channel section 14 are not uniform but the inner diameter of the first joint 10 as a whole. In addition, a guiding slope 16 is formed between the opening periphery of the first connecting end 11 of the first joint 10 and the inner wall surface of the first joint 10 for facilitating the passage of the second joint 20, but not limited thereto. There may be no guiding ramps 16.

The second joint 20 is a tubular body and includes a second connecting end 21 and a second connecting end 22 . The second connecting end 21 is rotatably disposed to be close to the first connecting end 11 of the first joint 10 . And the second joint 20 is in communication with the first joint 10; and the outer wall surface of the second joint 20 is protruded to form a fixing portion 23, and the fixing portion 23 selectively abuts against the first connecting end 11 of the first joint 10. The circumference of the opening, wherein the fixing portion 23 is a ring flange extending toward the radially outer side of the second joint 20, but not limited thereto, and may extend to the radially outer side of the second joint 20, and Coaxial up and around spacing settings. Further, the outer wall surface of the second joint 20 is recessed to form at least one accommodating groove 24, specifically, two accommodating grooves 24 in the embodiment, and the two accommodating grooves 24 are annular and located at the fixed portion. 23 and the second connecting end 21; and a receiving ring 25 is disposed in each of the accommodating grooves 24. Specifically, in the embodiment, the material of the sealing ring 25 is rubber, that is, the sealing ring 25 is a The rubber ring, but not limited thereto, may be a metal ring, and each of the adhesive rings 25 abuts against the inner wall surface of the first joint 10 and the second joint 20 is adhered to the first joint 10, but Alternatively, the receiving groove 24 and the sealing ring 25 may not be accommodated, but the outer surface of the second joint 20 may be directly adhered to the inner wall surface of the first joint 10.

In addition, in the present embodiment, the second connecting end 21 of the second joint 20 is threaded through the connecting portion 13 of the first joint 10, and the peripheral edge of the second connecting end 21 is selectively abutted against the first joint. The inner surface of the first joint 10 is the same as the inner diameter of the second joint 20, but not limited thereto, the inner diameter of the passage portion 14 may be slightly larger than Or slightly smaller than the inner diameter of the second joint 20; since the inner diameter of the passage section 14 of the first joint 10 is the same as the inner diameter of the second joint 20 in this embodiment, then the first joint 10 and the second joint 20 are After the full engagement (that is, the peripheral edge of the opening of the second connecting end 21 abuts against the level surface 15), the assembly formed by the two joints 10, 20 is formed with a passage through the two joints 10, 20 and having the same inner diameter, without Producing an additional class surface or a change in the inner diameter, so that the pressure and flow direction of the damping oil can be more simply calculated, so that the damping oil can be directly and smoothly passed through the joint of the two joints 10, 20, thereby avoiding The structure of the shock absorber is strong because of the structure of the joint of the two joints 10, 20. Drop even lower overall performance. However, the structure of the first joint 10 and the second joint 20 is not limited thereto, and the connecting portion 13, the passage portion 14 and the level surface 15 may be absent, and the inner diameter of the first joint 10 and the second joint 20 may also be Inconsistent.

The pressing member 30 is sleeved on the first joint 10 and the second joint 20 and screwed to the first connecting end 11 of the first joint 10; and the pressing member 30 includes a pressing portion 31 facing the radial direction of the pressing member 30. The inner protruding portion, specifically, the pressing portion 31 is a ring flange extending toward the radially inner side of the pressing member 30 in the embodiment, but not limited thereto; the pressing portion 31 is selectively connected to the first joint The opening periphery of the first connecting end 11 of the 10 is fixed to fix the fixing portion 23 of the second joint 20, that is to say, when the pressing member 30 is screwed relative to the first joint 10, the pressing portion 31 will be the second joint 20 The fixing portion 23 is fixed to the opening periphery of the first connecting end 11 of the first joint 10, and the first joint 10 and the second joint 20 are not easily rotated relative to each other, thereby firmly and tightly bonding the first joint 10 And the second joint 20 to cope with the internal high pressure damping oil.

In the present embodiment, the tubular body 40 is a general high-pressure pipe which can withstand high pressure without deformation, thereby completely transmitting the pressure at both ends of the pipe body 40; and, the creation of the first joint 10 and the second joint 20 and the crimping member 30 are combined to form a rotatable joint assembly. The two ends of the rotatable joint assembly are the first joint end 12 of the first joint 10 and the second joint end 22 of the second joint 20, respectively, and the tubular body 40 is It is fixed to one end of the rotatable joint assembly. Specifically, it can be divided into two cases. The first type is that the second joint end 22 of the second joint 20 is fixed to the pipe body 40, and the second joint 20 is in communication with the pipe body 40. In this case, the first joint The outer wall surface of the first joint end 12 of the 10 is provided with a thread to serve as a medium for the tube body 40 to be coupled to the outside; and in the second case, the first joint end 12 of the first joint 10 is fixed to the tube body 40. And the first joint 10 is in communication with the tubular body 40, and the outer wall surface of the second joint end 22 of the second joint 20 is provided with a thread.

In addition, as shown in FIG. 9 , when the rotatable joint assembly is fixed to the tubular body 40 at one end thereof, the outer wall surface of the other end is not necessarily provided with a thread, or a connecting tube 51 may be formed to extend the connecting tube. 51 is in communication with the rotatable joint assembly, and the end of the connecting pipe 51 is formed with an annular joint 52, and the annular joint 52 has a through hole 53 which penetrates the annular wall surface of the annular joint 52 and communicates with the connecting pipe 51; It can be connected to the caliper as a brake oil pipe.

Referring to FIG. 5, FIG. 6, FIG. 7 and FIG. 8, when the cylinder A needs to rotate relative to the tubular body 40, the crimping member 30 is first loosened relative to the first joint 10 so that the crimping portion 31 and Both of the first connecting ends 11 loosen the fixing portion 23 of the second joint 20, so that the first joint 10 can be rotated relative to the second joint 20, thereby rotating the cylinder A to the desired orientation of the installation, and finally pressing The fastener 30 is screwed relative to the first joint 10, that is, the fixing portion 23 of the second joint is pressed and the second joint 20 is firmly coupled with the first joint 10 and cannot be easily rotated; thereby the cylinder A can utilize the creation It is combined with the shock absorber body B and can be rotated to a specific angle or face when mounted on different models to facilitate installation.

In addition, the creation is not limited to the high-pressure fuel pipe of the steam locomotive, the hydraulic or pneumatic pipeline of any mechanical device or equipment, as long as there is a need for the joint to rotate relative to the tubular body, the creation can achieve its purpose.

The above description is only a preferred embodiment of the present invention, and does not impose any form limitation on the present invention. Although the present invention has been disclosed above in the preferred embodiment, it is not intended to limit the present creation, and has any technical field. A person skilled in the art can make some modifications or modifications to equivalent embodiments by using the above-disclosed technical contents without departing from the technical scope of the present invention. The technical essence of the creation Any simple modification, equivalent change and modification of the above embodiments are still within the scope of the technical solution of the present invention.

10‧‧‧First joint

11‧‧‧First connection

12‧‧‧ first joint end

13‧‧‧ Connection section

14‧‧‧Channel section

15‧‧ ‧ class

16‧‧‧ Guided slope

20‧‧‧second joint

21‧‧‧second connection

22‧‧‧second junction

23‧‧‧ Fixed Department

24‧‧‧ accommodating slots

25‧‧‧Mixed ring

30‧‧‧ Firmware

31‧‧‧Pressure

40‧‧‧ tube body

51‧‧‧Connecting tube

52‧‧‧ ring connector

53‧‧‧Perforation

91‧‧‧ tube body

92‧‧‧Connectors

93‧‧‧ gas cylinder

A‧‧‧ gas cylinder

B‧‧‧Shock absorber body

Figure 1 is a three-dimensional appearance of the creation. Figure 2 is a partial exploded view of the creation. Figure 3 is another partial exploded view of the present creation. Figure 4 is a side cross-sectional view of the rotatable joint assembly of the present invention. Figures 5, 6 and 7 are schematic diagrams of the actions of the present creation. Figure 8 is a schematic diagram of the use of the present creation. Fig. 9 is a schematic view showing the aspect of the present invention having a ring type joint. Figure 10 is a schematic view showing the combination of a prior art high pressure oil pipe and a gas cylinder.

Claims (14)

A rotatable joint assembly, comprising a first joint, which is a tubular body and includes an opposite first connecting end and a first joint end, the outer wall surface of the first connecting end is provided with a thread; a second joint a second connecting end and a second connecting end, the second connecting end rotatably passing through the first connecting end of the first joint, and the first connecting end The second joint is connected to the first joint; the outer wall surface of the second joint protrudes to form a fixing portion, and the fixing portion selectively abuts against the opening periphery of the first joint end of the first joint; Nesting on the first joint and the second joint, and screwing to the first connecting end of the first joint; the pressing member includes a pressing portion that protrudes toward a radially inner side of the pressing member And extending and fixing the fixing portion of the second joint to the opening periphery of the first connecting end of the first joint. The rotatable joint assembly of claim 1, wherein the fixing portion of the second joint is a ring flange extending toward a radially outer side of the second joint, and the pressing portion of the pressing member is oriented A ring flange extending radially inward of the presser. The rotatable joint assembly of claim 1 or 2, wherein the first joint further comprises a connecting section communicating with each other and a passage section, the connecting section being connected to the first connecting end, the passage section and the The first bonding end is connected, and the inner diameter of the connecting segment is larger than the inner diameter of the channel segment. The rotatable joint assembly of claim 3, wherein the inner diameter of the passage section is the same as the inner diameter of the second joint. The rotatable joint assembly of claim 3, wherein the first joint further comprises a stepped surface that is formed around the joint between the connecting section and the passage section; the second joint of the second joint The peripheral edge of the opening selectively abuts the class surface. The rotatable joint assembly of claim 1 or 2, wherein the outer wall surface of the second joint is recessed to form at least one accommodating groove, the at least one accommodating groove is annular and located at the fixing portion and the second Between the connecting ends, a sealing ring is disposed in the at least one receiving groove, and the sealing ring abuts against the inner wall surface of the first joint and the second joint is in close contact with the first joint. The rotatable joint assembly of claim 6, wherein the adhesive ring is made of rubber. The rotatable joint assembly of claim 1 or 2, wherein a guide bevel is formed between an opening circumference of the first connection end of the first joint and an inner wall surface of the first joint. A high-pressure oil pipe having a rotatable joint assembly, comprising a pipe body; the rotatable joint assembly of any one of claims 1 to 8, wherein the second joint end of the second joint is fixed to the a tubular body, and the second joint is in communication with the tubular body. The rotatable joint assembly of claim 9, wherein the outer wall surface of the first joint end of the first joint is provided with a thread. The rotatable joint assembly of claim 9, further comprising a connecting tube extending from the first joint end of the first joint, the connecting tube being in communication with the first joint, and the end of the connecting tube An annular joint is formed, the annular joint having a perforation that extends through the annular wall surface of the annular joint and communicates with the connecting tube. A high-pressure oil pipe having a rotatable joint assembly, comprising a pipe body; the rotatable joint assembly of any one of claims 1 to 8, wherein the first joint end of the first joint is fixed to the a tube body, and the first joint is in communication with the tube body. The rotatable joint assembly of claim 12, wherein the outer wall surface of the second joint end of the second joint is provided with a thread. The rotatable joint assembly of claim 12, further comprising a connecting tube extending from the second joint end of the second joint, the connecting tube being in communication with the second joint, and the end of the connecting tube An annular joint is formed, the annular joint having a perforation that extends through the annular wall surface of the annular joint and communicates with the connecting tube.