TW202222241A - Positionable rotary connecting device - Google Patents

Abstract

A rotary connecting device capable of being positioned comprises a bearing seat, a connecting structure and a movable rod. A connecting groove with a main groove part and a plurality of positioning hole parts is formed in the surface of the bearing seat. The connecting structure is rotatably arranged on the main groove part and forms a through hole. The through hole is provided with an alignment opening capable of being aligned with any one of the positioning hole parts and a penetrating opening. The movable rod comprises an outer rod piece and an inner rod piece capable of penetrating into the through hole. The inner rod piece is provided with a positioning end. In the movable state, the positioning end does not penetrate into the positioning hole part, and the connecting structure can rotate in the main groove part to change the extending direction of the movable rod relative to the bearing seat; in the fixed state, the positioning end penetrates into one of the positioning hole parts, so that the connecting structure cannot rotate, the extension direction of the movable rod relative to the bearing seat is fixed, and the purpose that the rotary connecting device can be positioned can be achieved.

Description

Positionable swivel connection

The present invention relates to a connection device, in particular to a rotary connection device with a positioning function.

Equipment with multi-angle adjustment function in daily life, such as cleaning tools such as mops or brooms, usually has a rotary connection device, which enables the cleaning tool to adjust the angle by rotating the rotary connection device. However, when the cleaning tool is used for cleaning, the cleaning tool cannot be fixed at a specific angle during use due to the influence of the forceful rotation of the rotary connecting device.

Therefore, the object of the present invention is to provide a positionable rotary connection device.

Therefore, the positionable rotary connection device of the present invention includes a socket, a connecting structure and a movable rod. A connecting groove is formed on the surface of the socket. The engaging groove has a main groove portion and a plurality of positioning hole portions that communicate with the periphery of the main groove portion and are spaced apart from each other. The engaging structure is rotatably disposed on the main groove and includes an engaging piece. The connector forms a through hole. The through hole has an alignment opening that can be aligned with any one of the positioning holes, and a penetration opening opposite to the alignment opening. The movable rod includes an outer rod which is aligned with the through hole and connected to the connecting member, and an inner rod which is movably inserted into the outer rod and penetrates into the through hole. The inner rod has a positioning end which can move along the through hole and can protrude out of the through hole. Wherein, the rotary connecting device can be switched between an active state and a fixed state. In the active state, the positioning end does not penetrate the positioning holes, and the engaging structure can rotate in the main groove to change the extending direction of the active rod relative to the socket; in the fixed state, the positioning The end penetrates into one of the positioning holes, so that the connecting structure cannot be rotated and the extending direction of the movable rod relative to the socket is fixed.

In some embodiments, the main groove portion is in the shape of a circular arc. The connecting piece is spherical, so that the movable rod can use the connecting structure as a rotation axis to point in different directions on the outside of the bearing seat.

In some embodiments, the opening of the main groove portion is smaller than the diameter of the connecting member, so that the connecting structure is snapped into the main groove portion.

In some embodiments, the socket has a first side surface and a top surface connected to the first side surface. The top surface forms the engaging groove, and a first accommodating groove connecting the main groove portion and the first side surface. The first accommodating groove can accommodate the movable rod.

In some embodiments, one of the positioning holes extends in the same direction as the first accommodating groove, so that in the fixed state, the positioning end penetrates the corresponding positioning hole, and the movable rod accommodates is placed in the first accommodating groove and abutted against the bearing seat.

In some embodiments, the socket further has a third side surface connected to the first side surface and the top surface. The top surface forms a second accommodating groove communicating with the main groove portion and the third side surface. The second accommodating groove can accommodate the movable rod.

In some embodiments, one of the positioning holes extends in the same direction as the second accommodating groove, so that in the fixed state, the positioning end penetrates the corresponding positioning hole, and the movable rod accommodates is placed in the second accommodating groove and abutted against the bearing seat.

In some embodiments, the inner rod further has a support section connected to the positioning end. The outer diameter of the support section is smaller than the outer diameter of the positioning end. The through hole also has a small hole portion adjacent to the penetration port and through which the support section can displaceably penetrate, and a small hole portion adjacent to the alignment port and connected to the small hole portion, and for the positioning end to movably penetrate through. Large hole. The diameter of the small hole portion is smaller than the outer diameter of the positioning end, so that the small hole portion can only be penetrated by the support section.

In some embodiments, the socket has a first side surface and a second side surface opposite to each other, and a top surface connected to the first side surface and the second side surface. The top surface is formed with the engaging groove. Two pivot holes extending toward the first side surface and the second side surface respectively are formed on the periphery of the main groove portion. The connecting structure further includes two protruding posts respectively connected to two opposite sides of the connecting piece. The protruding posts penetrate through the pivot holes respectively, so that the movable rod can pivot and swing with the protruding posts as the axes.

In some embodiments, the main groove portion is arc-shaped, and the alignment opening is arc-shaped, so that when the movable rod pivots and swings relative to the socket with the protruding posts as the axis, the alignment opening The distance to the periphery of the main groove portion is always the same.

The effect of the present invention is: by the positioning end penetrating one of the positioning holes in the fixed state, the connecting structure cannot be rotated and the extension direction of the movable rod relative to the bearing can be fixed, which can achieve The swivel connection can be positioned for the purpose.

Referring to FIG. 1 to FIG. 5 , it is an embodiment of the positionable rotary connection device of the present invention. The rotary connecting device includes a socket 1 , a connecting structure 2 and a movable rod 3 . The holder 1 can be a mop head, a broom head or other objects with a supporting function; the movable rod 3 can be a mop handle, a broom handle or other objects that can be held. The structure of the socket 1 and the movable rod 3 is not limited to a specific form.

Referring to FIGS. 1 to 3 , in this embodiment, the socket 1 is in the shape of a long plate, and has two opposite first side surfaces 11 and second side surfaces 12 connecting the first side surfaces 11 and the second side surfaces. 12 and a third side 13 and a fourth side 14 opposite to each other, and a top surface 15 connected to the first side 11 , the second side 12 , the third side 13 and the fourth side 14 . The top surface 15 forms, for example, an engaging groove 151 located at the symmetrical center of the top surface 15 , a first accommodating groove 152 connecting the engaging groove 151 and the first side surface 11 , and a connecting groove 152 . The groove 151 and the second accommodating groove 153 of the third side surface 13 . The engaging groove 151 has a main groove portion 155 for the engaging structure 2 to be rotatably disposed, and a plurality of positioning hole portions 156 that communicate with the periphery of the main groove portion 155 and are spaced apart from each other. The first accommodating groove 152 or the second accommodating groove 153 can accommodate the movable rod 3 .

However, the shape of the socket 1 is not limited to the aforementioned long plate shape. For example, the socket 1 may also be in the shape of a circular plate. At this time, the first side 11 , the second side 12 , the third side 13 and the fourth side 14 in FIGS. 1 to 3 will be Converted into a circular annular side edge, the engaging groove 151 is formed on the top surface 15 , the first accommodating groove 152 and the second accommodating groove 153 are connected to the engaging groove 151 and the annular side edge, and extend in different directions from each other, so that when the socket 1 is in the shape of a long plate, a circular plate or any shape, the movable rod 3 can be accommodated in the first accommodating groove 152 or the first accommodating groove 152 Two accommodating grooves 153, so that the movable rod 3 can be used against the socket 1, so that the movable rod 3 will not protrude when it is accommodated in the first accommodating groove 152 or the second accommodating groove 153 Outside the top surface 15, the overall height of the rotary connecting device can be reduced, and the effect of saving storage space can also be achieved.

As shown in FIG. 3 , in this embodiment, the main groove portion 155 is in the shape of a circular arc. That is to say, the longitudinal section of the main groove portion 155 in any direction is C-shaped, and can be used with the connecting structure 2 of a corresponding shape (eg, spherical). In addition, in the present embodiment, the top side opening of the main groove portion 155 is smaller than the diameter of the connecting piece 21 , so that the connecting structure 2 is snapped into the main groove portion 155 . In this way, the main groove portion 155 can freely rotate the engaging structure 2 within a certain angle Θ. In other embodiments, the periphery of the main groove portion 155 can also be in a flat arc shape as shown in FIG. 8 , and can be used when the engaging structure 2 whose end is also in a flat arc shape rotates in a single direction. The above-mentioned flat arc shape means that a part is a circle or an ellipse and a part is a non-circular shape such as a straight shape, and mainly a circle or an ellipse is used as the structure configuration shape corresponding to the rotation range, so that the connecting structure 2 can be smoothly rotated in the main groove portion 155. However, the shape of the main groove portion 155 is not limited to a specific shape, and only needs to be used with the shape of the connecting structure 2 .

Referring to FIG. 2 , FIG. 3 and FIG. 5 , any one of the positioning holes 156 is used for inserting one end of the movable rod 3 that rotates with the engaging structure 2 . In this embodiment, the positioning holes 156 may extend horizontally, vertically or obliquely with respect to the top surface 15 , so when the angle of the movable rod 3 relative to the socket 1 is horizontal, vertical or oblique , there is a positioning hole 156 with a corresponding angle for insertion, so as to achieve the effect that the movable rod 3 can be fixed relative to the socket 1 in an extension direction at a specific angle. However, it should be noted that since the movable rod 3 needs to be accommodated in the first accommodating groove 152 or the second accommodating groove 153 in order to abut against the socket 1 and extend in the horizontal direction, therefore, the horizontally arranged The number of the positioning holes 156 corresponds to the number of the grooves (eg, the first accommodating groove 152 and the second accommodating groove 153 ) formed on the top surface and into which the movable rod 3 can be inserted. That is to say, in this embodiment, only two of the positioning holes 156 extend horizontally relative to the top surface 15 and are aligned with the first accommodating groove 152 and the second accommodating groove 153 respectively . In this way, as shown in FIG. 5 , when the movable rod 3 is arranged in the horizontal direction, one end of the movable rod 3 can be inserted into one of the positioning holes 156 extending horizontally, so that the movable rod 3 is arranged in a horizontal manner. fixed to the socket 1 .

Referring to FIG. 3 , the engaging structure 2 includes an engaging piece 21 . The connecting piece 21 is spherical and forms a through hole 211 passing through the center of rotation. The through hole 211 has an alignment opening 212 that can be aligned with any one of the positioning hole portions 156 , a penetration port 213 opposite to the alignment port 212 , and a small hole portion 214 adjacent to the penetration port 213 , and a large hole portion 215 adjacent to the alignment opening 212 and connected to the small hole portion 214 . The diameter of the large hole portion 215 is larger than that of the small hole portion 214 .

The movable rod 3 includes an outer rod 31 aligned with the penetration opening 213 and connected to the connecting member 21 , and an inner rod movably inserted into the outer rod 31 and inserted into the through hole 211 32. The inner rod 32 has a positioning end 321 that can move along the through hole 211 , and a support section 322 that is connected to the positioning end 321 and penetrates the small hole 214 movably. The positioning end 321 can protrude out of the through hole 211 and penetrate into one of the positioning holes 156 . In this embodiment, a section of the movable rod 3 for holding can be configured with a locking structure of any type of telescopic rod. When the inner rod 32 reciprocates along the axis of the outer rod 31, the locking structure can The relative positions of the inner rod 32 and the outer rod 31 are fixed. In this embodiment, the movable rod 3 can use the spherical engaging structure 2 as a rotation axis and point to different directions outside the bearing seat 1 . In addition, in this embodiment, the outer diameter of the positioning end 321 is larger than the outer diameter of the support section 322 and also larger than the diameter of the small hole portion 214 , that is, the outer diameter of the positioning end 321 is between the small hole Between the hole diameter of the large hole portion 214 and the hole diameter of the large hole portion 215, the positioning end 321 can only move inside the large hole portion 215 and outside the through hole 211, but cannot penetrate the small hole portion 214, avoiding the inner The rod 32 can be disengaged from a port of the outer rod 31 away from the engaging structure 2 , however, the outer diameter of the positioning end 321 can also be no greater than the outer diameter of the support section 322 , for example: any part of the inner rod 32 . The outer diameter of a part is the same, and the positioning end 321 is a front edge of the inner rod 32 adjacent to the through hole 211 . Thus, the positioning end 321 and the supporting section 322 are not clearly demarcated from the appearance, and the The positioning end 321 can extend freely in the through hole 211 . On the other hand, the relative position of the inner rod 32 and the outer rod 31 can be fixed through the locking structure of the movable rod 3 . In this way, the inner rod 32 can also be prevented from spontaneously extending through the through hole 211 . The outer rod 31 is disengaged away from a port of the engaging structure 2 .

Referring to FIGS. 3 and 4 , the rotary connecting device can be switched between an active state as shown in FIG. 3 and a fixed state as shown in FIG. 4 . In the active state, the positioning end 321 does not penetrate the positioning holes 156, and the engaging structure 2 can be rotated in the main groove 155 to change the extending direction of the movable rod 3 relative to the socket 1; In the fixed state, the positioning end 321 penetrates into one of the positioning holes 156 , so that the engaging structure 2 cannot be rotated and the extending direction of the movable rod 3 relative to the socket 1 is fixed.

Referring to FIG. 1 to FIG. 5 , in this embodiment, the rotary connecting device is an example of a mop, and the cloth surface of the mop is omitted. When in use, the bottom surface of the bearing seat 1 is pressed against the ground, and when the angle of the movable rod 3 needs to be adjusted, force can be applied to the movable rod 3, so that the movable rod 3 takes the connecting structure 2 as the rotation axis to rotate. The outer side of the socket 1 points in different directions, that is, the movable rod 3 can extend vertically, obliquely or horizontally with respect to the top surface 15 of the socket 1 , and the end of the movable rod 3 away from the positioning end 321 can extend Taking the connecting structure 2 as the center, it circles along a horizontal rotation angle ∮ as shown in FIG. 3 . In this embodiment, the horizontal rotation angle ∮ is 360 degrees. After adjusting the angle of the movable rod 3 relative to the socket 1, the outer rod 31 can be held, and the inner rod 32 can be moved downward, so that the positioning end 321 of the inner rod 32 can be inserted into the corresponding The positioning hole portion 156, and thereby the movable rod 3 is fixed at a specific angle, and the rotary connecting device is transformed into the fixed state. In this way, in the fixed state, the user can exert force on the movable rod 3 to make the bearing seat 1 abut against the ground and move in the direction of front, rear, left and right to perform the mopping action. At this time, the movable rod 3 is relative to the ground. The socket 1 maintains a constant angle, so that the user can apply force at a suitable angle, thereby achieving the effect of labor saving. When the use is finished or the angle needs to be adjusted, the outer rod 31 can be held and the inner rod 32 can be moved upward to return to the active state.

Referring to FIG. 6 to FIG. 8 , another implementation aspect of this embodiment is shown. The structure of this embodiment is different from the above-mentioned embodiment of FIG. 1 to FIG. 5 . The main difference is that, in this embodiment, the socket 1 and the connecting structure 2 are respectively configured in different structures. , wherein, as shown in FIG. 6 , the symmetrical center of the top surface 15 of the socket 1 protrudes outward, so that the longitudinal section of the socket 1 is in an inverted T shape. At this time, the The first side surface 11 , the second side surface 12 , the third side surface 13 and the fourth side surface 14 are respectively the four side surfaces of the protruding portion of the socket 1 as shown in FIG. 7 . In addition, two pivot holes 154 extending toward the first side surface 11 and the second side surface 12 are formed on the periphery of the main groove portion 155 of the socket 1 ; The protruding posts 22 on two opposite sides; the protruding posts 22 penetrate the pivot holes 154 respectively, so that the movable rod 3 can take the protruding posts 22 as the axis along a single direction at an angle Θ as shown in FIG. 8 Reciprocating pivot swing within the range. In this embodiment, the protruding posts 22 and the connecting piece 21 are integrally formed, so that the protruding posts 22 are firmly connected to the connecting piece 21 . However, the embodiment of the protruding posts 22 is not limited to the inseparable type, and the protruding posts 22 can also be detachable connecting objects, such as screws, and in an assembled manner, the protruding posts 22 are separated from each other. The pivot holes 154 penetrate through and can be detachably locked to the engaging member 21 , so that the engaging structure 2 can be detachably mounted on the socket 1 for easy replacement and maintenance. In addition, because the movable rod 3 can only pivot back and forth in a single direction, that is, the movable rod 3 can only swing back and forth along the extending direction of the second accommodating slot 153 with the protruding columns 22 as the axis, so the In this embodiment, the first accommodating groove 152 can be omitted. On the other hand, the main groove portion 155 is in the shape of a long strip, and the bottom of the periphery of the main groove portion 155 is in the shape of a flat arc. 3. When the protruding posts 22 are pivoted relative to the socket 1, the distance from the alignment opening 212 to the periphery of the main groove portion 155 is the same, and the connecting piece is not affected by the periphery of the main groove portion 155. Covered for easy operation. Further, the positioning holes 156 are respectively disposed in a horizontal, vertical or oblique manner relative to the top surface 15 along the extending direction of the second accommodating groove 153 . Therefore, when the movable rod 3 extends along the When the extending direction of the second accommodating slot 153 swings back and forth, when the angle of the movable rod 3 relative to the socket 1 is horizontal, vertical or oblique, there is a positioning hole 156 with a corresponding angle for insertion. It is also possible to achieve the effect that the movable rod 3 is fixed relative to the socket 1 in the extension direction at a specific angle.

To sum up, as the positioning end 321 penetrates into one of the positioning holes 156 in the fixed state, the connecting structure 2 cannot be rotated and the extension of the movable rod 3 relative to the bearing 1 is fixed. The orientation of the rotary connecting device can achieve the purpose of being able to be positioned, so it can indeed achieve the purpose of the present invention.

However, the above are only examples of the present invention, and should not limit the scope of implementation of the present invention. Any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the contents of the patent specification are still included in the scope of the present invention. within the scope of the invention patent.

1: Bearing 11: The first side 12: Second side 13: The third side 14: Fourth side 15: Top surface 151: Engagement groove 152: The first accommodating slot 153: Second accommodating slot 154: pivot hole 155: Main groove 156: Positioning hole 2: Cohesive structure 21: Connectors 211: Through hole 212: Counterpoint 213: Through the entrance 214: Small hole 215: Large hole 22: convex column 3: Active rod 31: Outer rod 32: Inner rod 321: Positioning end 322: Support segment Θ: angle ∮: horizontal rotation angle

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: FIG. 1 is a schematic diagram illustrating one embodiment of a positionable rotary connection device of the present invention; Figure 2 is a top view illustrating this embodiment; FIG. 3 is a cross-sectional view along line III-III of FIG. 2, illustrating the embodiment in an active state; FIG. 4 is a cross-sectional view along the line III-III in FIG. 2, illustrating the embodiment in a fixed state; 5 is a cross-sectional view illustrating that in the fixed state, a movable rod of the embodiment is accommodated in a first accommodating groove of the embodiment; FIG. 6 is a schematic diagram illustrating another implementation aspect of the embodiment; Figure 7 is a top view illustrating this embodiment; and FIG. 8 is a cross-sectional view along the line VIII-VIII in FIG. 7, illustrating the embodiment in an active state.

1: Bearing

11: The first side

12: Second side

15: Top surface

151: Engagement groove

152: The first accommodating slot

155: Main groove

156: Positioning hole

2: Cohesive structure

21: Connectors

211: Through hole

212: Counterpoint

213: Through the entrance

214: Small hole

215: Large hole

3: Active rod

31: Outer rod

32: Inner rod

321: Positioning end

322: Support segment

Claims (10)

A positionable rotary connection device comprising: a bearing seat, the surface of the bearing seat forms a connecting groove, the connecting groove has a main groove part, and several positioning hole parts that communicate with the periphery of the main groove part and are spaced apart from each other; an engaging structure rotatably disposed in the main groove portion, and comprising an engaging piece, the engaging piece forms a through hole, the through hole has an aligning opening capable of aligning with any one of the positioning hole portions, and a penetration opening opposite the alignment opening; and A movable rod includes an outer rod aligned with the penetration hole and connected to the connecting member, and an inner rod movably inserted into the outer rod and penetrated into the through hole, the inner rod It has a positioning end that can move along the through hole and can protrude out of the through hole, Wherein, the rotary connection device can be switched between an active state and a fixed state. In the active state, the positioning end does not penetrate the positioning holes, and the engaging structure can be rotated in the main groove to Change the extension direction of the movable rod relative to the socket. In the fixed state, the positioning end penetrates one of the positioning holes, so that the connecting structure cannot be rotated and the movable rod is fixed relative to the socket. extension direction. The positionable rotary connection device according to claim 1, wherein the main groove portion is in the shape of a circular arc, and the connecting piece is in the shape of a ball, so that the movable rod can use the connecting structure as a rotation axis to be connected to the bearing seat. The outside points in different directions. The positionable rotary connection device as claimed in claim 2, wherein the opening of the main groove portion is smaller than the diameter of the connecting piece, so that the connecting structure is snapped into the main groove portion. The positionable rotary connection device of claim 1, wherein the socket has a first side surface, and a top surface connected to the first side surface, the top surface forms the engaging groove, and a communication The main groove portion and the first accommodating groove on the first side face can accommodate the movable rod. The positionable rotary connection device according to claim 4, wherein one of the positioning holes extends in the same direction as the first accommodating groove, so that in the fixed state, the positioning end penetrates the corresponding The positioning hole portion, and the movable rod is accommodated in the first accommodating groove and abuts against the bearing seat. The positionable rotary connection device according to claim 4, wherein the socket further has a third side surface connected to the first side surface and the top surface, and the top surface forms a connection between the main groove and the top surface. The second accommodating groove on the third side surface can accommodate the movable rod. The positionable rotary connection device according to claim 6, wherein one of the positioning holes extends in the same direction as the second accommodating groove, so that in the fixed state, the positioning end penetrates the corresponding The positioning hole portion, and the movable rod is accommodated in the second accommodating groove and abuts against the bearing seat. The positionable rotary connection device according to claim 1, wherein the inner rod further has a support section connected to the positioning end, the outer diameter of the support section is smaller than the outer diameter of the positioning end, and the through hole further has a A small hole portion adjacent to the penetration port and through which the support section can displaceably penetrate, and a large hole portion adjacent to the alignment port and connected to the small hole portion and through which the positioning end can displaceably penetrate, the small hole portion The diameter of the hole portion is smaller than the outer diameter of the positioning end, so that the small hole portion can only be penetrated by the support section. The positionable rotary connection device of claim 1, wherein the socket has a first side surface and a second side surface opposite to each other, and a top surface connected to the first side surface and the second side surface, The top surface is formed with the connecting groove, the periphery of the main groove is formed with two pivot holes extending toward the first side surface and the second side surface respectively, and the connecting structure further includes two opposite side surfaces respectively connected to the connecting piece. The protruding posts are respectively inserted into the pivot holes, so that the movable rod can pivot and swing with the protruding posts as the axis. The positionable rotary connection device according to claim 9, wherein the main groove portion is arc-shaped, and the alignment opening is arc-shaped, so that the movable rod is relative to the bearing with the convex pillars as the axis When the seat pivots and swings, the distance from the alignment opening to the periphery of the main groove portion is constant.

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