TWI618586B - Flaring member structure - Google Patents

Abstract

A pinch assembly structure includes a carrier, a pinch tube assembly and a expanded tube terminal assembly. The pinch tube assembly is mounted to the carrier for clamping a tubular member; the expanded tubular terminal assembly has a plurality of terminals, and the expanded tubular terminal assembly is movably disposed on the carrier for opposing the pinch tube assembly. Depending on the diameter of the pipe or the shape of the pipe, changing the position or angle of the pipe expansion terminal assembly allows the appropriate terminal to be opposed to the pipe. The terminal contacts a port of the tube and is continuously displaced to form a expanded state. With the above structural form and operation mode, the terminal can be replaced and the operation is convenient.

Description

Expansion pipe assembly structure

The present invention relates to the technical field of a hand tool, in particular, to a tube expansion drive and a tube expansion device for configuring the pinch tube assembly and the expansion tube terminal assembly.

Generally, a metal pipe fitting is matched to a corresponding one, or two metal pipes are butted, and one end of the metal pipe needs to be changed in outer diameter or shape to successfully complete the connection with the device or another metal pipe. The method of changing the outer diameter or shape of the metal pipe member is to use a pipe expansion device to clamp the metal pipe member, and then use a suitable terminal to expand the predetermined length of one end of the metal pipe member to change the outer diameter or the outer shape.

However, before the pipe expansion, it is necessary to determine the predetermined length of one end of the pipe and the final pipe expansion mode. Therefore, it is usually necessary to select two different types of terminals, and the pipe expansion behavior can be successfully completed after being exchanged and used. However, the replacement and use of the appropriate terminals one by one during the pipe expansion process is obviously inconvenient in operation.

Furthermore, if the expansion device does not have a design for limiting the position of the tube port, the user must visually measure the length of the tube expansion, which will reduce the accuracy of the tube expansion. In addition, the addition of an additional stopper, such as a flap, can achieve better accuracy in the tube length of the tube, but is obviously inconvenient to operate.

It is an object of the present invention to provide a pipe expansion assembly structure capable of The mode is switched to achieve the effect of eliminating the replacement of the terminal, and the effect of expanding the tube for a tube member and forming the end portion of the tube member into different forms.

The design concept of the present invention is to utilize a carrier in combination with a expansion tube terminal assembly, and with the technical means that the expansion tube terminal assembly can generate a predetermined motion pattern with respect to the carrier, such that any one of the expansion tube terminal assemblies or the appropriate The terminals are opposite to a tube and a tube expander for tube expansion. In addition, the expanded terminal assembly can be adjusted to position and limit the length of the expanded tube at one end of the tubular member.

In order to achieve the above objects and effects, the expanded pipe assembly structure disclosed in the present invention is for holding a pipe member and a pipe expansion drive, comprising: a carrier having a pinch tube receiving groove and a terminal assembly a pinch tube assembly is mounted on the pinch tube assembly receiving groove for clamping the pipe member; a pipe expansion terminal assembly is a body internally connected with a plurality of terminals, and the body is mounted on the terminal group receiving groove Wherein the expanded terminal assembly is forced to generate a motion mode to change one of a position or an angle, and the different one of the expanded terminal assemblies is selected by the motion mode to oppose a port of the tubular member and The pipe expansion drive.

The above motion mode includes linear displacement, curved curve displacement and rotation. Each motion mode can be matched with a suitable body shape, thereby enabling the body to produce a corresponding motion pattern.

10‧‧‧Expanding components

12‧‧‧ Pipe fittings

14‧‧‧Expansion drive

16‧‧‧Forcing components

18‧‧‧ axle block

20‧‧‧ Vehicles

22‧‧‧Clamping tube holding slot

23‧‧‧Rotating trough

24‧‧‧Terminal group accommodation slot

25‧‧‧Perforation

26‧‧‧ mouth

27‧‧‧Limited parts

28‧‧‧Window

29‧‧‧Flexible positioning parts

30‧‧‧Pinch assembly

32‧‧‧Clamping block

40‧‧‧Expanded terminal assembly

42‧‧‧terminal

44‧‧‧Ontology

46‧‧‧Terminal hole

47‧‧‧Limited slot

48‧‧‧ Spring

49‧‧‧Positioning holes

Fig. 1 is an external view of a first embodiment of the present invention.

Fig. 2 is an external view of a second embodiment of the present invention.

Fig. 3 is an external view of a third embodiment of the present invention.

Figure 4 is an exploded view of the first embodiment of the present invention.

Fig. 5 is a combined appearance view of the carrier, the pinch tube assembly and the expanded tube terminal assembly of the first embodiment of the present invention.

Fig. 6 is a schematic view showing the combined structure of the carrier, the pinch tube assembly and the expanded pipe terminal assembly of the first embodiment of the present invention.

Figure 7 is an external view of the body of the expanded pipe terminal assembly of the first embodiment of the present invention

Fig. 8 is a first schematic view showing the position of the expanded terminal assembly of the first embodiment of the present invention with respect to the carrier.

Fig. 9 is a second schematic view showing the position of the expanded terminal assembly of the first embodiment of the present invention with respect to the carrier.

Figure 10 is a schematic view showing the position and state of the pipe expansion member for stopping the pipe member according to the first embodiment of the present invention.

Figure 11 is a schematic view showing the displacement state of the expanded pipe terminal assembly of the first embodiment of the present invention.

Figure 12 is a combination view of a pipe expansion terminal assembly and a carrier of a second embodiment of the present invention.

Figure 13 is a plan view of a combination of a third embodiment of the present invention.

Referring to Figures 1, 2 and 3, the pipe expansion assembly 10 of the present invention is used to hold a pipe member 12 and a pipe expansion drive 14. The tube expansion assembly 10 includes a pinch tube assembly 30 and a expanded tube terminal assembly 40 mounted to a carrier 20. The carrier 20 is connected to the expansion drive 14 for clamping the tubular member 12.

A tensioning assembly 16 is mounted on one side of the carrier 10 and at one end opposite the pinch tube assembly 20. One end of the pressing assembly 16 is used to abut the pinch tube assembly 20, so that the tube member 12 sandwiched by the pinch tube assembly 20 can form a stable positioning state.

The tube expander driver 14 includes a shaft block 18. The axle block 18 is located in the expansion drive One end of the 14 is used to engage a rotating slot 23 at one end of the carrier 20. It should be noted that the expansion drive 14 can be a hydraulic device, a pneumatic device or a screw device. The expansion drive 14 has a force output member (not shown) located in the axial direction of the shaft block 18 for opposing and pushing one. This terminal 42.

In the apparatus disclosed in the above figures, the expanded terminal assembly 40 can change the position or angle of the carrier 20 by force, so that the user can select the different terminals 42 of the expanded terminal assembly 40 relative to the tubular member. A port of 12 and the tube expander 14 further cause the ends of the tube 22 to form different outer diameters or shapes under the action of the different terminals 42.

Referring to FIGS. 4 and 5, in the first embodiment of the present invention, the carrier 20 has a pinch tube receiving groove 22 and a terminal block receiving groove 24. The pinch tube receiving slot 22 and the terminal block receiving slot 24 have a through port 26 (see FIG. 4), such that the pinch tube receiving slot 22 communicates with the terminal block receiving slot 24.

The carrier 20 includes a window 28 that is of a penetrating configuration and that receives the slot 24 relative to the terminal set. The rotation groove 23 is located at one end of the carrier 20 and adjacent to and communicates with the terminal group accommodating groove 24. For example, the rotation groove 23 and the terminal block accommodating groove 24 have a through hole 25, and the rotation groove 23 communicates with the terminal block accommodating groove 24 through the through hole 25.

The pinch block assembly 30 includes two pinch blocks 32 that can be mated. The pinch block 32 is used to clamp the pipe member 12. The two clamping tubes 32 are mounted in the tube set receiving groove 22.

Referring to FIGS. 4 and 6, the expanded terminal assembly 40 is a body 44 having a plurality of terminals 42 mounted therein. In particular, the body 44 has a plurality of terminal holes 46, and each of the terminal holes 46 is provided with a spring 48. Each of the terminals 42 is respectively mounted in the terminal hole 46 against the spring 48, so that each of the terminals 42 is in a state of being elastically displaceable.

The expansion tube terminal assembly 40 is movably mounted in the terminal block accommodating groove 24. One end of the terminal 42 is opposite to one end of the tubular member 12. A portion of the surface of the expanded terminal assembly 40 is thus visible from the window 28 (see Figure 5).

For example, the surface of the body 44 shown in FIG. 5 may be marked with a text, a symbol or a pattern to display the corresponding type, size or current position of the terminal 44, and the user can easily access the window 28. Read the text, symbol or pattern.

Referring to FIG. 7 , one side of the body 44 of the expanded terminal assembly 40 includes at least one limiting slot 47 . This embodiment discloses two limiting slots 47 . Further, one side of the body 44 of the expanded terminal assembly 40 includes a plurality of positioning holes 49. The limiting slot 47 is not in the same plane as the terminal hole 46.

Referring to Figures 4 and 8, one side of the carrier 20 includes at least one limiting member 27, and two limiting members 27 are disclosed. Further, one side of the carrier 20 includes an elastic positioning member 29. The positional member 27 is a bolt, and the elastic positioning member 29 is a combination of a spring, a steel ball and a stop screw. However, the disclosed components and combinations are merely illustrative and not limited thereto.

Referring to FIGS. 8 and 9, the expanded terminal assembly 40 is movably mounted in the terminal block receiving groove 24 of the carrier 20. The limiting member 27 is mounted on the bottom surface of the carrier 20, and one end of the limiting member 27 can be used for opposing and embedding the limiting slot 47. Thus the expanded terminal assembly 40 can be moved without disengaging the carrier 20. Moreover, the elastic positioning member 29 is mounted on the bottom surface of the carrier 20 and can be opposite to the positioning hole 49, so that the expansion tube terminal assembly 40 is moved to a predetermined position, and one end (steel ball) of the elastic positioning member 29 can be opposite to the opposite one. The hole 49 is positioned such that the expanded terminal assembly 40 is formed in a positioning shape.

Referring to FIG. 10 and in conjunction with the above description, the expanded terminal assembly 40 disclosed in the present invention can be driven to move and obtain positioning. So, a predetermined position is selected so that A positioning hole of the body 44 is combined with the elastic positioning assembly (not shown), so that a side surface of the body 44 (for example, a surface between the two terminal holes) is opposite to the port of the tube member 12.

According to the state and position disclosed in FIG. 10, the surface of the body 44 can be moved into the body 44 by the restricted tube member 12. This position can be used as the reference position when the tube member is subsequently subjected to tube expansion, so One end of the tubular member 12 determines the exact length of the expanded tube. Whether or not the expanded terminal assembly 40 is moved to the reference position can be determined by the window 28 seeing a character, a symbol or a pattern noted on the surface of the body 44.

Referring to FIG. 11 , the expanded terminal assembly 40 is displaced by force such that the two ends of any of the terminals 42 in the body 44 are opposite to the tube expander 14 and the tube 12 in the pinch tube assembly 30 , respectively. . The operator drives the expansion drive 14 so that the output member of the expansion drive 50 can be used to urge the terminal 42 to be displaced toward one end of the tubular member 12.

Since each of the terminals 34 can provide different expansion functions, such as changing the outer diameter or outer shape of the port of the tubular member 12, the operator can appropriately switch the position of the expanded terminal assembly 40 and selects the terminal 42 differently. The pipe expansion behavior of one end of the pipe member 22 can be completed in a quick and simple operation mode.

Referring to FIGS. 2 and 12, the difference between the second embodiment of the present invention and the first embodiment is that the body 44 of the expanded terminal assembly 40 is an arc-shaped elongated block member, and the terminal assembly of the carrier 20 is The groove 24 forms an arcuate groove to conform to the curved body 44. Thus, the expansion tube terminal assembly 40 is movably mounted on the terminal block accommodating groove 24, and the body 44 is forced to generate a displacement of the curved trajectory so that the different terminal 42 is opposite to the tube member 12 and the tube expansion driver. 14 (see Figure 2).

Referring to Figures 3 and 13, the third embodiment of the present invention differs from the first embodiment in that the body 44 of the expanded terminal assembly 40 is a disc-shaped member, and the disc-shaped body 44 is rotatable. The terminal group accommodating groove 24 is movably mounted. The terminal receiving groove 24 is an open notch through the carrier 20. The disk-shaped body 44 can be fitted with a suitable rotating shaft to be embedded in the terminal block receiving groove 24 in the form of an open notch. The body 44 is biased to rotate so that the different terminal 42 is opposite the tubular member 12 and the tube expander 14 (see Figure 3).

The positioning and/or rotation of the expanded terminal assembly 40 of the second embodiment and the third embodiment of the present invention, and the technical means for the body 44 not departing from the carrier 20, may be considered as the means taught by the first embodiment. And reached.

The above is a preferred embodiment and the design of the present invention. The preferred embodiments and the drawings are merely illustrative and not intended to limit the scope of the invention. The scope of the rights covered by the content of the "Scope of Patent Application" is not within the scope of the invention and is the scope of the applicant's rights.

Claims (10)

A pipe expansion assembly structure for holding a pipe member and a pipe expansion drive, comprising: a carrier having a pinch tube receiving groove and a terminal group receiving groove; a pinch tube assembly The tube set accommodating groove of the carrier is used for clamping the pipe; a pipe expansion terminal assembly is internally connected with a plurality of terminals, and the body is mounted on the terminal assembly of the carrier The slotted end assembly is stressed, and the body, along with each of the terminals, generates a motion mode relative to the terminal set receiving slot to change one of the positions or angles of the terminals, and the motion mode is used. A different one of the terminals of the expanded terminal assembly is selected to oppose a port of the tubular member and the expansion drive. The structure of the pipe expansion assembly of claim 1, wherein the body of the pipe expansion terminal assembly is a long block member and is movably mounted on the terminal group receiving groove, and the body is forced to generate linearity. Displacement so that the different terminals are opposite the tube and the tube expander. The structure of the pipe expansion assembly of claim 1, wherein the body of the pipe expansion terminal assembly is an arc-shaped elongated block member and is movably mounted on the terminal group receiving groove, and the body can be generated by force. The displacement of the curved track is such that different ones of the terminals are opposite the tube and the tube expander. The structure of the pipe expansion assembly of claim 1, wherein the body of the pipe expansion terminal assembly is a disk-shaped member and is rotatably mounted on the terminal group receiving groove, and the body is forced to rotate. So that the different terminals are opposite to the tube and the tube expander. The structure of the pipe expansion assembly of claim 1, wherein the carrier comprises a window, the window receiving a groove relative to the terminal set, and a portion of the surface of the body of the terminal block assembly is visible from the window. The structure of the pipe expansion assembly of claim 1, wherein one side of the body of the pipe expansion terminal assembly includes a limiting slot, and one side of the carrier includes a limiting component, and the limiting component is Pass through the carrier and extend into the limiting slot. The pinch assembly structure of claim 1, wherein one side of the body of the pipe expansion terminal assembly comprises a plurality of positioning holes, and the carrier is provided with an elastic positioning component opposite to the positioning hole, the pipe expansion terminal assembly The elastic positioning member is used to combine different positioning holes with respect to the carrier to change position or angle. The pinch assembly structure of claim 7, wherein, after the positioning hole is combined with the elastic positioning component, the surface of the body of the pipe expansion terminal assembly is opposite to the port of the pipe member, thereby limiting The tube is moved into the body to form a reference position when the tube is subsequently subjected to tube expansion. The pinch assembly structure of claim 1, wherein the body of the pipe expansion terminal assembly comprises a plurality of terminal holes through which a spring is disposed, and each of the terminal holes is disposed with a spring. The terminal is formed to be elastically displaceable by abutting against the spring. The pinch assembly structure of claim 1, wherein the carrier includes a rotating slot at one end of the carrier and adjacent to and communicating with the terminal set receiving slot, the expansion drive includes a shaft block located at one end of the tube expansion drive and for embedding the rotation groove.