TWI525240B - Variable number and number wheel device - Google Patents

Description

Change number component and number wheel device

The invention relates to a variable number component and a number wheel device, in particular to a variable number component and a number wheel device.

The existing number wheel device includes a base, a positioning rod, a resetting member, a plurality of number wheel assemblies and an adjusting member, the base includes a first side, the positioning rod is disposed on the first side of the base, and the The positioning rod includes a through slot, the restoring member is sleeved on the positioning rod and abuts the first side of the base, and the number wheel assemblies are serially and sleeved on the positioning rod, and the first facing the base The number wheel assembly of the side abuts the resetting member, the adjusting member is disposed at the end of the positioning rod and is connected to the number wheel assembly adjacent to the end of the positioning rod, wherein the number wheel assembly comprises a rotating ring, a positioning block, and a a pushing block and a torsion spring, the rotating ring has a positioning groove, the positioning block is disposed in the rotating ring and includes a positioning protrusion selectively extending into the positioning groove, the pushing block is disposed in the rotating ring Adjacent to the positioning block, the torsion spring is disposed on the push block.

When the number is not changed, the positioning convex portion of the positioning block protrudes into the positioning groove of the rotating ring, so that the positioning block is linked with the rotating ring, and when the variable number is changed, the adjusting member can be controlled to push the positioning block in the rotating ring and push the button. Block and torsion spring, so that the positioning convex portion of the positioning block is disengaged from the positioning groove of the rotating ring, so that the rotating ring and the positioning block are not interlocked, the rotating ring is turned to the number to be set, and then the adjusting piece is controlled to make the positioning block The positioning protrusion protrudes into the positioning groove of the rotating ring to be in a linked state.

However, in the above, the number wheel components have many components and cause a problem of inconvenient assembly.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide a variable number assembly and a number wheel device which are used to improve the number of components of the number wheel assembly and the inconvenience in assembly.

In order to achieve the foregoing, the variable component of the present invention comprises: a control unit; a number wheel assembly, which is mounted on the drive unit, the number wheel assembly comprising a swivel ring, an inner ring and a torsion spring. The inner side of the rotating ring forms a plurality of positioning grooves, the movement of the inner ring is controlled by the control unit, and the inner ring is located in the rotating ring, and the outer side of the inner ring is provided with a positioning convex portion. A limiting slot is disposed on the inner side of the retaining ring, and the torsion spring is disposed on the inner retaining ring and abuts the rod body.

In order to achieve the foregoing, the number wheel device of the present invention comprises: a control unit comprising a positioning rod and an adjusting member, the positioning rod comprising a plate body and a rod body, wherein the plate body is provided with a locking hole, and The plate body is provided with a chute, the rod body is formed on the plate body and is provided with a through slot for connecting the locking hole, the outer side of the rod body is provided with a plurality of limiting portions, and the adjusting member is rotatably disposed at the positioning a lever body of the rod, and the adjusting member has two levers extending from the board body and a guiding block extending into the chute; a number wheel module is disposed on the rod body of the positioning rod and connected to the adjustment The number wheel module includes a plurality of number wheel assemblies, each of which includes a rotating ring, an inner ring and a torsion spring. The inner side of the rotating ring forms a plurality of positioning grooves, and the inner ring is located at the inner ring The inner side of the inner ring is provided with a positioning protrusion selectively extending into the positioning groove, and the inner side of the inner ring is provided with a limiting groove, and the limiting portion of the positioning rod selectively extends into the inner side of the inner ring a corresponding limiting slot, the torsion spring is disposed on the inner retaining ring and abuts the rod body; a base is disposed at an end of the rod of the positioning rod; and a resetting member is disposed on the rod body of the positioning rod, and the two ends of the resetting member respectively abut the number wheel module and the rod Pedestal.

In the above, when the variable number component and the number wheel device are not changed, the positioning convex portion of the inner ring of the number wheel assembly protrudes into the positioning groove of the rotating ring, so that the rotating ring and the inner ring are in the same state. When the number is changed, the adjusting member is rotatable, and the guiding block moves along the chute and generates lateral displacement, thereby pushing the inner retaining ring of the number wheel assembly, so that the positioning convex portion of the inner retaining ring is disengaged from the positioning groove of the rotating ring, so that When the retaining ring and the rotating ring are in different motion states, the rotating wheel can be rotated to change the number, and then the adjusting member is rotated to reset the inner retaining ring and be in the same state as the rotating ring again. Since the number wheel assembly has few components, it can facilitate assembly. And easy to operate.

Please refer to FIG. 1 and FIG. 2 , which are a preferred embodiment of the variable component of the present invention, wherein the variable component comprises a control unit 1 and a number wheel assembly 31 .

The control unit 1 includes a positioning rod 10 and an adjusting member 20. The positioning rod 10 includes a plate body 11 and a rod body 12. The plate body 11 is provided with a locking hole 13 and the plate body 11 is provided with a chute. The rod body 12 is formed on the plate body 11 and is provided with a through slot 15 communicating with the locking hole 13. The outer side of the rod body 12 is provided with a limiting portion 16, and the adjusting member 20 is rotatably disposed at the positioning. The rod body 12 of the rod 10, and the adjusting member 20 has two levers 21 extending from the board body 11 and a guiding block 22 extending into the chute 14.

The number wheel assembly 31 is disposed on the control unit 1. The number wheel assembly 31 includes a rotating ring 32, an inner ring 33 and a torsion spring 34. The inner side of the rotating ring 32 forms a plurality of positioning slots 35. The movement of the inner ring 33 is controlled by the control unit 1, and the inner ring 33 is located in the rotating ring 32. The outer side of the inner ring 33 is provided with a positioning convex portion 36, and the inner side of the inner retaining ring 33 A limiting slot 37 is disposed, and the limiting portion 16 selectively extends into the corresponding limiting slot 37. The torsion spring 34 is disposed on the inner retaining ring 33 and abuts the shaft 12, wherein the number wheel assembly 31 includes a resilient piece 38 disposed on the inner retaining ring 33 and selectively extending into the positioning slot 35, and the resilient tab 38 on the inner retaining ring 33 is offset from the positioning projection 36.

Please refer to FIG. 3 to FIG. 5 , which is a preferred embodiment of the number wheel device of the present invention. The number wheel device includes a control unit 1 , a number wheel module 30 , a base 40 and a reset member 50 .

The control unit 1 includes a positioning rod 10 and an adjusting member 20. The positioning rod 10 includes a plate body 11 and a rod body 12. The plate body 11 is provided with a locking hole 13 and the plate body 11 is provided with a chute. The rod body 12 is formed on the plate body 11 and is provided with a through groove 15 communicating with the locking hole 13. The outer side surface of the rod body 12 is provided with a plurality of limiting portions 16 on which the plate body 11 of the positioning rod 10 is placed. The two chutes 17 are provided. As shown in FIG. 8 , the chute 14 has a limiting surface 18 and a guiding surface 19 . The guiding surface 19 connects the limiting surface 18 and the inner side of the plate body 11 . The adjusting member 20 is rotatably disposed on the rod body 12 of the positioning rod 10. The adjusting member 20 is provided on the side facing the board body 11 with two levers 21 and a guiding block 22, and the two levers 21 are respectively extended. The two chutes 17 extend out of the chute 14 of the plate body 11.

The number wheel module 30 is disposed on the rod body 12 of the positioning rod 10 and is connected to the adjusting member 20 . The number wheel module 30 includes a plurality of number wheel assemblies 31 , and the number wheel assemblies 31 each include a rotating ring 32 . An inner retaining ring 33 and a torsion spring 34, the inner side of the rotating ring 32 forms a plurality of positioning slots 35, the inner retaining ring 33 is located in the rotating ring 32, and the outer side of the inner retaining ring 33 is provided with a selective extension The positioning protrusion 36 of the positioning groove 35 is disposed on the inner side of the inner ring 33. The limiting portion 16 of the positioning rod 10 selectively extends into the corresponding limiting slot 37. The torsion spring 34 is inserted into the corresponding limiting slot 37. The number wheel assembly 31 is disposed on the inner ring 33 and is disposed on the inner ring 33, and is selectively disposed on the inner ring 33, as shown in FIG. The positioning groove 35 is extended, and the elastic piece 38 on the inner ring 33 and the positioning convex portion 36 are dislocated.

The base 40 is attached to the end of the rod 12 of the positioning rod 10.

The resetting member 50 is disposed on the rod body 12 of the positioning rod 10 , and the two ends of the restoring member 50 respectively abut the digit wheel module 30 and the base 40 .

In the above, the base 40 is provided with a mounting hole 41 and a positioning hole 42 for the side of the connecting hole 41. The end of the rod 12 of the positioning rod 10 is provided with a telescopic positioning post 111, and the end of the rod 12 The mounting hole 41 is inserted into the mounting hole 41, and the positioning post 111 extends into the positioning hole 42.

Referring to FIG. 6 , FIG. 8 , and FIG. 9 , the guide block 22 of the adjusting member 20 extends into the chute 14 and abuts the limiting surface 18 , and then refers to FIG. 8 and FIG. 10 . In the same number wheel assembly 31, the positioning protrusion 36 of the inner ring 33 extends into one of the positioning grooves 35 of the rotating ring 32, so that the inner ring 33 and the rotating ring 32 are in the same state.

Referring to FIG. 7 and FIG. 11 to FIG. 13 , when the indicator is changed, the lever 21 of the adjusting member 20 moves along the sliding slot 17 of the positioning rod 10 to rotate the adjusting member 20, and the guiding block 22 of the adjusting member 20 The guiding surface 19 of the chute 14 is moved to the inner side surface of the plate body 11 and pushes the inner retaining ring 33. Referring to FIG. 13 and FIG. 14, the positioning of the inner retaining ring 33 in the same number wheel assembly 31 is convex. The portion 36 moves laterally out of the positioning groove 35 of the rotating ring 32, so that the inner ring 33 and the rotating ring 32 are in different motion states, and then the rotating ring 32 can be changed, and then the adjusting member 20 is rotated to guide the adjusting member 20. The block 22 extends into the chute 14 and abuts against the limiting surface 18, and the restoring member 50 pushes the inner retaining ring 33 such that the positioning cam 36 of the inner ring 33 extends into one of the swivels 32 in the same number wheel assembly 31. In the positioning groove 35, the inner ring 33 and the rotating ring 32 are again in the same state.

Referring to FIG. 14 , the elastic piece 38 of the number wheel assembly 31 extends into one of the positioning grooves 35 of the rotating wheel. When the variable number is changed, the rotating ring 32 rotates and changes the positioning groove 35 corresponding to the elastic piece 38 to make the rotating ring 32 The rotation has a sense of positioning.

Referring to FIG. 15 and FIG. 16, the number wheel device can be coupled with a lock lever 60. The lock lever 60 can pass through the lock hole 13 of the positioning rod 10 and protrude into the slot 15 of the rod body 12 at the swivel 32. In the same state as the inner ring 33, the rotating ring 32 can be rotated to lock the locking lever 60 to the number wheel device. When the lock is unlocked, the rotating ring 32 can be rotated to set a preset number. The lock lever 60.

In summary, the adjusting member 20 of the number wheel device can push the inner retaining ring 33 when the number is changed, so that the positioning convex portion 36 of the inner retaining ring 33 is disengaged from the positioning groove 35 of the corresponding rotating wheel, so that the same number wheel assembly The runner in the 31 is in a different dynamic state from the inner retaining ring 33. After the variable number setting is completed, the runner and the inner retaining ring 33 are in the same state, wherein the number wheel assembly 31 has fewer components and can improve assembly convenience. And the positioning convex portion 36 of the inner retaining ring 33 is disposed offset from the elastic piece 38. When the positioning convex portion 36 is disengaged from the positioning groove 35 of the rotating ring 32, the elastic piece 38 still extends into the positioning groove 35 of the inner retaining ring 33 at the rotating ring 32. During the rotation of the sign, a sense of positioning is provided.

1 Control unit 10 Positioning rod 11 Plate body 111 Positioning post 12 Rod body 13 Locking hole 14 Slot 15 Passing groove 16 Limiting portion 17 Chute 18 Limiting surface 19 Guide surface 20 Adjusting member 21 Lever 22 Guide block 30 Number wheel module 31 number wheel assembly 32 swivel 33 inner ring 34 torsion spring 35 positioning grooves 36 limit the positioning protrusions 37 elastic sheet 40 groove 38 holes 42 of the base 41 is fitted the positioning hole 50 to reset the lock lever member 60

Figure 1 is a perspective view of a preferred embodiment of a preferred embodiment of the present invention. Figure 2 is a schematic cross-sectional view showing a preferred embodiment of the variable component of the present invention. 3 is a perspective view of a preferred embodiment of a number wheel device of the present invention. Figure 4 is a side elevational view showing the combination of a preferred embodiment of the number wheel device of the present invention. Figure 5 is a cross-sectional view showing a combination of a preferred embodiment of the number wheel device of the present invention. Figure 6 is a schematic plan view showing the end of the preferred embodiment of the number wheel device of the present invention. Figure 7 is a schematic end plan view showing a variation of a preferred embodiment of the number wheel device of the present invention. Figure 8 is a bottom plan view showing an unaltered number of a preferred embodiment of the number wheel device of the present invention. Fig. 9 is a schematic view omitting the swivel for Fig. 8. Figure 10 is a schematic cross-sectional view of the 10-10 cut line in Figure 8. Figure 11 is a side plan view showing a variation of a preferred embodiment of the number wheel device of the present invention. Figure 12 is a bottom plan view showing a variation of a preferred embodiment of the number wheel device of the present invention and omitting the swivel. Figure 13 is a bottom plan view showing a variation of a preferred embodiment of the number wheel device of the present invention. Figure 14 is a schematic cross-sectional view of the 14-14 cut line in Figure 13. Figure 15 is a perspective exploded view of a preferred embodiment of the number wheel device and the lock lever of the present invention. Figure 16 is a cross-sectional view showing the combination of a preferred embodiment of the number wheel device and the lock lever of the present invention.

10 Positioning rod 11 Plate body 111 Positioning post 12 Rod body 13 Locking hole 14 Slot 15 Passing groove 16 Limiting portion 17 Chute 18 Limiting surface 19 Guide surface 20 Adjusting member 21 Lever 22 Guide block 30 Number wheel mold Group 31 number wheel assembly 32 swivel 33 inner retaining ring 34 torsion spring 35 Positioning groove 36 positioning protrusion 38 elastic sheet 37 limiting slot 40 of the base member 41 fitting hole 50 is reset

Claims (7)

A variable number component comprising: a control unit; a number wheel assembly is mounted on the control unit, the number wheel assembly comprising a swivel ring, an inner ring and a torsion spring, the inner side of the ring Forming a plurality of positioning slots, the movement of the inner ring is controlled by the control unit, and the inner ring is located in the rotating ring, the outer side of the inner ring is provided with a positioning convex portion, and the inner side of the inner ring is disposed a limit groove, the torsion spring is disposed on the inner ring and abuts the rod body, wherein the number wheel assembly comprises a spring piece disposed on the inner ring and selectively extending into the positioning groove, and The elastic piece on the retaining ring and the positioning convex part are dislocated. The variable number assembly of claim 1, wherein the control unit comprises a positioning rod and an adjusting member, the positioning rod comprises a plate body and a rod body, the plate body is provided with a locking hole, and the plate body is provided a chute is formed, the rod body is formed on the plate body and is provided with a slot for connecting the lock hole, the rod body passes through the number wheel assembly, and the outer side surface of the rod body is selectively inserted into the corresponding limit slot The adjusting portion is rotatably disposed on the rod body of the positioning rod, and the adjusting member has two guiding rods extending from the board body and a guiding block extending into the chute. A number wheel device comprising: a control unit comprising a positioning rod and an adjusting member, the positioning rod comprising a plate body and a rod body, wherein the plate body is provided with a locking hole, and the plate body is provided with a diagonal The groove body is formed on the plate body and is provided with a slot for communicating the lock hole, the outer side of the rod body is provided with a plurality of limiting portions, and the adjusting member is rotatably disposed on the rod body of the positioning rod, and The adjusting member has two guiding rods extending from the plate body and a guiding block extending into the chute; a number wheel module is disposed on the rod body of the positioning rod and connected to the adjusting member, the number wheel mold The set includes a plurality of number wheel assemblies, each of which includes a swivel ring, an inner ring and a torsion spring. The inner side of the swivel forms a plurality of positioning slots, and the inner ring is located in the rotating ring. Outside the retaining ring The side surface is provided with a positioning protrusion selectively extending into the positioning groove, the inner side surface of the inner ring is provided with a limiting slot, and the limiting portion of the positioning rod selectively extends into the corresponding limiting slot, and the torsion spring is provided The inner ring is abutted against the rod body, wherein the number wheel assemblies each include a resilient piece disposed on the inner retaining ring and selectively extending into the positioning groove, and the elastic piece and the positioning on the inner retaining ring The protrusion is dislocated; a base is disposed at an end of the rod of the positioning rod; and a resetting member is disposed on the rod of the positioning rod, and the two ends of the resetting member respectively abut the The number wheel module and the base. The number wheel device of claim 3, wherein the sliding plate of the positioning rod is provided with two sliding slots, and the adjusting rods of the adjusting member respectively protrude from the corresponding sliding slots. The number wheel device of claim 3 or 4, wherein the base is provided with a mounting hole and a positioning hole that communicates with the mounting hole at one side, and a telescopic positioning post is disposed at the end of the rod of the positioning rod, The end of the rod extends into the fitting hole, and the positioning post projects into the positioning hole. The number wheel device of claim 3 or 4, wherein the chute has a limiting surface and a guiding surface, the guiding surface connecting the limiting surface and the inner side of the plate body. The number wheel device of claim 5, wherein the chute has a limiting surface and a guiding surface, the guiding surface connecting the limiting surface and the inner side of the plate body.