CN216021791U - Articulated positioning structure and foldable bedside frame of standing up - Google Patents
Articulated positioning structure and foldable bedside frame of standing up Download PDFInfo
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- CN216021791U CN216021791U CN202122099229.3U CN202122099229U CN216021791U CN 216021791 U CN216021791 U CN 216021791U CN 202122099229 U CN202122099229 U CN 202122099229U CN 216021791 U CN216021791 U CN 216021791U
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Abstract
The utility model discloses a hinged positioning structure and a folding bedside stand-up, wherein the hinged positioning structure comprises a first connecting pipe, a second connecting pipe and a threaded connecting column, wherein the outer wall surface of the threaded connecting column is provided with external threads, and the front end of the threaded connecting column is provided with a column cap; the opposite end faces of the first connecting pipe and the second connecting pipe are provided with tenon-and-mortise positioning structures which are used for positioning after the first connecting pipe and the second connecting pipe rotate relatively by a set angle, and each tenon-and-mortise positioning structure comprises a tenon and a mortise. This articulated location structure only needs to rotate the screw thread spliced pole and realizes the regulation and the location of the relative position of first connecting pipe and second connecting pipe promptly, the simple operation, and the structure is firm. The folding bedside lifting frame provided by the utility model comprises an underframe and a support frame, wherein the underframe and the support frame are hinged through the hinge positioning structure; the adjustment and the positioning of the relative position of the bottom frame and the supporting frame can be realized by rotating the threaded connecting column, the operation is convenient, and the structure is stable.
Description
Technical Field
The utility model relates to the technical field of nursing aids, in particular to a hinged positioning structure and a foldable bedside lifting frame.
Background
The nursing assistant tool is an appliance which can enable a person with mobility difficulty to stand and sit and lie by himself by means of an intelligent instrument instead of manual labor, is widely used for improving the quality of life of the person with dysfunction such as the old, the disabled, and the injured patient, is one of the most effective means for helping the person with dysfunction, is also called a functional assistant tool suitable for the old, and is an appliance which is suitable for the old to overcome the specific environmental disorder and exert the latent function of the old under a certain environment.
The old people can take care of the labor when living due to the inconvenience of legs and feet, so that the frame for taking up can be born. The existing lifting frame is integral and folding, and the integral lifting frame occupies a larger space when being carried or carried, thus causing inconvenience to users. The folding type lifting frame can be folded, is convenient to package, carry and store, and can be unfolded when in use. However, the hinge positioning structure for folding and unfolding of the folding type body-lifting frame has the defects of unstable structure and inconvenient operation.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a hinged positioning structure which is convenient to assemble and use and a folding bedside frame.
The utility model provides a hinged positioning structure, which comprises a first connecting pipe, a second connecting pipe and a threaded connecting column, wherein the outer wall surface of the threaded connecting column is provided with an external thread; a first connecting hole axially penetrates through the first connecting pipe, and two ends of the first connecting hole are open ends; a second connecting hole is axially formed in the second connecting pipe, the second connecting hole penetrates through one end or two ends of the second connecting pipe in the axial direction, one end of the second connecting hole is an open end, and the other end of the second connecting hole is an open end or a closed end; the opening end of the first connecting hole is aligned with the opening end of the second connecting hole, and an internal thread matched with the external thread is arranged in the second connecting hole; the front end of the threaded connecting column is provided with a column cap, the threaded connecting column penetrates through the first connecting hole and extends into the second connecting hole to be in threaded connection with the second connecting hole, and the column cap is abutted against one end, far away from the second connecting pipe, of the first connecting pipe, so that the relative distance between the first connecting pipe and the second connecting pipe is reduced; the distance between the first connecting pipe and the second connecting pipe is realized through the threaded connecting column;
the opposite end faces of the first connecting pipe and the second connecting pipe are provided with mortise and tenon positioning structures which are used for positioning after the first connecting pipe and the second connecting pipe rotate relatively for a set angle, each mortise and tenon positioning structure comprises a tenon and a mortise, at least one tenon is arranged in one of the tenon and the mortise, and a plurality of tenons are arranged in the other tenon and the mortise and are arranged around the axis of the connecting pipe where the tenon and the mortise are located at intervals; the mortise is arranged on one of the first connecting pipe and the second connecting pipe, and the tenon is arranged on the other one; when the threaded connecting column is used for controlling the first connecting pipe and the second connecting pipe to be relatively far away, the tenon is separated from the mortise, and the first connecting pipe and the second connecting pipe can rotate relatively; work as first connecting pipe with the second connecting pipe rotates relatively when setting for the position, the tenon with the tongue-and-groove aligns, the rethread threaded connection post control first connecting pipe with the second connecting pipe is pressed close to relatively, makes the tenon inserts in the tongue-and-groove, realize the location.
Preferably, a circular concave hole is formed in the center of the opposite end face of any one of the first connecting pipe and the second connecting pipe, a cylindrical raised head is arranged in the center of the opposite end face of the other connecting pipe, the circular concave hole is arranged around the connecting hole in the connecting pipe where the circular concave hole is located, the cylindrical raised head is arranged around the connecting hole in the connecting pipe where the circular concave hole is located, and the connecting hole in the connecting pipe where the cylindrical raised head is located axially penetrates through the cylindrical raised head; the cylindrical convex head is inserted into the circular concave hole, and when the first connecting pipe and the second connecting pipe rotate relatively, the cylindrical convex head rotates in the circular concave hole.
Preferably, the cylindrical protruding head is sleeved with a spring, a first supporting surface for supporting one end of the spring is arranged around the periphery of the cylindrical protruding head, a second supporting surface for supporting the other end of the spring is arranged on the inner wall of the circular concave hole, and the second supporting surface is arranged around a connecting hole in the connecting pipe where the circular concave hole is located; the spring is compressed between the first support surface and the second support surface.
Preferably, the cap is provided with an anti-skid structure for preventing hand from slipping.
Preferably, the anti-slip structure is an anti-slip pattern or an anti-slip groove.
Preferably, when one of the tenon and the mortise is provided with a plurality of tenon and mortise, the tenon and the mortise are uniformly arranged around the axis of the connecting pipe where the tenon and the mortise are located at intervals.
Preferably, when the tenon with the mortise all is equipped with a plurality ofly, the tenon with the number of mortise is the same and the position corresponds.
Preferably, the internal thread is integrally formed on an inner wall surface of the second connection hole.
Preferably, a built-in part is fixedly connected in the second connecting hole, a threaded hole matched with the threaded connecting column is formed in the built-in part, and the internal thread is arranged on the inner wall surface of the threaded hole.
The utility model also provides a folding bedside lifting frame which comprises an underframe and a support frame, wherein the underframe and the support frame are hinged through a hinge positioning structure.
The hinged positioning structure comprises a first connecting pipe, a second connecting pipe and a threaded connecting column with an external thread on the outer wall surface; the first connection pipes are disposed at opposite sides on any one of the base frame and the support frame, and the second connection pipes are disposed at opposite sides on the other one of the base frame and the support frame. A first connecting hole axially penetrates through the first connecting pipe, and two ends of the first connecting hole are open ends; a second connecting hole is axially formed in the second connecting pipe, the second connecting hole penetrates through one end or two ends of the second connecting pipe in the axial direction, one end of the second connecting hole is an open end, and the other end of the second connecting hole is an open end or a closed end; the opening end of the first connecting hole is aligned with the opening end of the second connecting hole, and an internal thread matched with the external thread is arranged in the second connecting hole; the front end of the threaded connecting column is provided with a column cap, the threaded connecting column penetrates through the first connecting hole and extends into the second connecting hole to be in threaded connection with the second connecting hole, and the column cap is abutted against one end, far away from the second connecting pipe, of the first connecting pipe, so that the relative distance between the first connecting pipe and the second connecting pipe is reduced; the distance between the first connecting pipe and the second connecting pipe is realized through the threaded connecting column;
the opposite end faces of the first connecting pipe and the second connecting pipe are provided with mortise and tenon positioning structures which are used for positioning after the first connecting pipe and the second connecting pipe rotate relatively for a set angle, each mortise and tenon positioning structure comprises a tenon and a mortise, at least one tenon is arranged in one of the tenon and the mortise, and a plurality of tenons are arranged in the other tenon and the mortise and are arranged around the axis of the connecting pipe where the tenon and the mortise are located at intervals; the mortise is arranged on one of the first connecting pipe and the second connecting pipe, and the tenon is arranged on the other one; when the threaded connecting column is used for controlling the first connecting pipe and the second connecting pipe to be relatively far away, the tenon is separated from the mortise, and the first connecting pipe and the second connecting pipe can rotate relatively; work as first connecting pipe with the second connecting pipe rotates relatively when setting for the position, the tenon with the tongue-and-groove aligns, the rethread threaded connection post control first connecting pipe with the second connecting pipe is pressed close to relatively, makes the tenon inserts in the tongue-and-groove, realize the location.
Preferably, a circular concave hole is formed in the center of the opposite end face of any one of the first connecting pipe and the second connecting pipe, a cylindrical raised head is arranged in the center of the opposite end face of the other connecting pipe, the circular concave hole is arranged around the connecting hole in the connecting pipe where the circular concave hole is located, the cylindrical raised head is arranged around the connecting hole in the connecting pipe where the circular concave hole is located, and the connecting hole in the connecting pipe where the cylindrical raised head is located axially penetrates through the cylindrical raised head; the cylindrical convex head is inserted into the circular concave hole, and when the first connecting pipe and the second connecting pipe rotate relatively, the cylindrical convex head rotates in the circular concave hole.
Preferably, the cylindrical protruding head is sleeved with a spring, a first supporting surface for supporting one end of the spring is arranged around the periphery of the cylindrical protruding head, a second supporting surface for supporting the other end of the spring is arranged on the inner wall of the circular concave hole, and the second supporting surface is arranged around a connecting hole in the connecting pipe where the circular concave hole is located; the spring is compressed between the first support surface and the second support surface.
Preferably, the cap is provided with an anti-skid structure for preventing hand from slipping.
Preferably, the anti-slip structure is an anti-slip pattern or an anti-slip groove.
Preferably, when one of the tenon and the mortise is provided with a plurality of tenon and mortise, the tenon and the mortise are uniformly arranged around the axis of the connecting pipe where the tenon and the mortise are located at intervals.
Preferably, when the tenon with the mortise all is equipped with a plurality ofly, the tenon with the number of mortise is the same and the position corresponds.
Preferably, the internal thread is integrally formed on an inner wall surface of the second connection hole.
Preferably, a built-in part is fixedly connected in the second connecting hole, a threaded hole matched with the threaded connecting column is formed in the built-in part, and the internal thread is arranged on the inner wall surface of the threaded hole.
Preferably, the support frame is provided with two first telescopic connecting pipes which are horizontally arranged relatively and transversely, one first telescopic connecting pipe is positioned right above the other first telescopic connecting pipe, a fixed pipe is connected between the two first telescopic connecting pipes, two ends of each first telescopic connecting pipe are connected with a telescopic frame, each telescopic frame is provided with a second telescopic connecting pipe which is opposite to the two first telescopic connecting pipes, and the second telescopic connecting pipes are arranged in the inner cavities of the first telescopic connecting pipes and can perform telescopic action in the first telescopic connecting pipes; and the first telescopic connecting pipe and the second telescopic connecting pipe are provided with telescopic positioning structures.
The utility model has the beneficial effects that:
the hinged positioning structure provided by the utility model comprises a first connecting pipe, a second connecting pipe and a threaded connecting column with an external thread on the outer wall surface, wherein a column cap is arranged at the front end of the threaded connecting column; the first connecting pipe is axially opposite to the second connecting pipe, the threaded connecting column axially penetrates into the second connecting pipe from the first connecting pipe, the column cap abuts against one end, far away from the second connecting pipe, of the first connecting pipe, and the threaded connecting column can be in threaded connection with internal threads in the second connecting pipe. After the threaded connection post is screwed into the internal thread, the distance between the first connection pipe and the second connection pipe is reduced, and after the threaded connection post is screwed out of the internal thread, the distance between the first connection pipe and the second connection pipe is increased, so that the distance between the first connection pipe and the second connection pipe can be adjusted through the matching of the threaded connection post and the internal thread, and the first connection pipe and the second connection pipe are relatively close to or far away from each other.
The opposite end faces of the first connecting pipe and the second connecting pipe are provided with tenon-and-mortise positioning structures used for positioning after the first connecting pipe and the second connecting pipe rotate relatively by a set angle, each tenon-and-mortise positioning structure comprises a tenon and a mortise, the mortises are arranged on one of the first connecting pipe and the second connecting pipe, and the tenons are arranged on the other one of the first connecting pipe and the second connecting pipe. When the first connecting pipe and the second connecting pipe are relatively close to each other in the axial direction, the tenon is inserted into the mortise, so that the first connecting pipe and the second connecting pipe cannot rotate relatively, and the position is fixed.
When the threaded connecting column is used for controlling the first connecting pipe and the second connecting pipe to be relatively separated, the tenon is separated from the mortise, the first connecting pipe and the second connecting pipe can relatively rotate, and the relative position of the first connecting pipe and the second connecting pipe can be adjusted through rotation; when the first connecting pipe and the second connecting pipe relatively rotate to a set position, the tenon is aligned with the mortise, the first connecting pipe and the second connecting pipe are controlled to be relatively close to each other through the threaded connecting column, the tenon is inserted into the mortise, and positioning is achieved.
This articulated location structure only needs to rotate the screw thread spliced pole and realizes the regulation and the location of the relative position of first connecting pipe and second connecting pipe promptly, the simple operation, and the structure is firm.
The first connecting pipe and the second connecting pipe are connected with the bracket, so that the relative position of the two brackets can be adjusted and positioned, for example, the two brackets can be unfolded and folded at different angles.
The folding bedside lifting frame provided by the utility model comprises an underframe and a support frame, wherein the underframe and the support frame are hinged through the hinge positioning structure; the relative both sides of first connecting pipe setting on arbitrary one in chassis and support frame, the relative both sides of second connecting pipe setting on another in chassis and support frame can realize the regulation and the location of the relative position of chassis and support frame through rotatory screw thread spliced pole, the simple operation, and the structure is firm.
Drawings
Fig. 1 is an exploded view of the hinge positioning structure of the present invention.
Fig. 2 is a perspective view of the hinge positioning structure of the present invention.
FIG. 3 is a schematic view of the folding bedside frame of the present invention in an unfolded state;
FIG. 4 is a schematic structural view of a positioning column of the folding bedside stand-up of the present invention;
fig. 5 is a schematic view of the folding bedside frame of the present invention in a folded state.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations and positional relationships based on the drawings, are used for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, terms such as "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected through the interior of two elements or through the interaction of two elements unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the second feature or indirectly contacting the first feature and the second feature through intervening media, and the first feature "on", "above" or "over" the second feature may be directly or obliquely above the second feature or may simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1-2, an embodiment of the folding bedside stand of the present invention is presented:
the utility model provides a hinge joint location structure, has the screw thread spliced pole 3 of external screw thread including first connecting pipe 1, second connecting pipe 2 and outer wall, and the front end of screw thread spliced pole 3 is equipped with cap 31, and the external diameter of cap 31 is greater than screw thread spliced pole 3.
A first connecting hole 11 axially penetrates through the first connecting pipe 1, and both ends of the first connecting hole 11 are open ends. A second connecting hole 21 is axially arranged on the second connecting pipe 2, the second connecting hole 21 is arranged at one end or two ends of the second connecting pipe 2 in the axial direction, one end of the second connecting hole 21 is an open end, and the other end of the second connecting hole 21 is an open end or a closed end. The open ends of the first connecting holes 11 and the second connecting holes 21 are aligned, and internal threads matched with the external threads are arranged in the second connecting holes 21.
The internal thread in this embodiment is integrally formed on the inner wall surface of the second connection hole 21. As shown in fig. 1, both ends of the second connection hole 21 are open ends, the internal thread is disposed at a rear end portion of the second connection hole 21, and the rear end opening of the second connection hole 21 facilitates the formation of the internal thread.
In addition, the internal thread can also be arranged in the second connecting hole 21 in other modes, for example, an internal part is fixedly connected in the second connecting hole 21, a threaded hole matched with the threaded connecting column 3 is arranged in the internal part, and the internal thread is arranged on the inner wall surface of the threaded hole. The built-in part can be made of plastic materials, and is convenient to produce. The built-in member can be coupled into the second coupling hole 21 by riveting.
First connecting pipe 1 is relative with second connecting pipe 2 axial, and threaded connection post 3 runs through first connecting hole 11 and stretches into in the second connecting hole 21, and cap 31 supports and puts the one end of keeping away from second connecting pipe 2 at first connecting pipe 1, and threaded connection post 3 can carry out threaded connection with the internal thread in the second connecting hole 21.
After the threaded connection post 3 screw in internal thread, the interval between first connecting pipe 1 and the second connecting pipe 2 is dwindled, after the threaded connection post 3 unscrewed the internal thread, the interval between first connecting pipe 1 and the second connecting pipe 2 increases to can realize the interval adjustment between first connecting pipe 1 and the second connecting pipe 2 through the cooperation of threaded connection post 3 and internal thread, make between first connecting pipe 1 and the second connecting pipe 2 press close to relatively or keep away from.
Specifically, the cap 31 is provided with an anti-slip structure for preventing hand from slipping. The anti-slip structure may be an anti-slip pattern or an anti-slip groove 311. The outside of the cap 31 in this embodiment has a plurality of recesses and sets up at anti-skidding groove 311, and the setting of anti-skidding groove 311 does benefit to the hand and screws up, makes things convenient for the rotation of screw thread spliced pole 3 to adjust more.
Opposite end faces of the first connecting pipe 1 and the second connecting pipe 2 are provided with mortise and tenon positioning structures used for positioning after the first connecting pipe 1 and the second connecting pipe 2 rotate relatively by a set angle, each mortise and tenon positioning structure comprises a tenon 22 and a mortise 12, and at least one of the tenon 22 and the mortise 12 is arranged; the other one is provided with a plurality of connecting pipes which are arranged at intervals around the axis of the connecting pipe. The mortise 12 is provided on one of the first and second connection pipes 1 and 2, and the tenon 22 is provided on the other. When the first connecting pipe 1 and the second connecting pipe 2 are relatively close to each other in the axial direction, the tenon 22 is inserted into the mortise 12, so that the first connecting pipe 1 and the second connecting pipe 2 cannot rotate relatively and are fixed in position.
When the threaded connecting column 3 is used for controlling the first connecting pipe 1 and the second connecting pipe 2 to be relatively separated, the tenon 22 is separated from the mortise 12, the first connecting pipe 1 and the second connecting pipe 2 can relatively rotate, and the relative position of the first connecting pipe 1 and the second connecting pipe 2 can be adjusted through rotation; when the first connecting pipe 1 and the second connecting pipe 2 relatively rotate to a set position, the tenon 22 is aligned with the mortise 12, the threaded connecting column 3 controls the first connecting pipe 1 and the second connecting pipe 2 to be relatively close to each other, and the tenon 22 is inserted into the mortise 12 to realize positioning.
The tenon 22 in this embodiment is provided on the periphery of the end face of the second connection pipe 2 opposite to the first connection pipe 1, and the mortise 12 is provided on the periphery of the end face of the first connection pipe 1 opposite to the second connection pipe 2. The tenon 22 and the mortise 12 are provided in plurality and the number is the same. The plurality of tenons 22 are uniformly distributed around the axis of the second connecting pipe 2 at intervals, the plurality of mortises 12 are uniformly distributed around the axis of the first connecting pipe 1 at intervals, and the tenons 22 and the mortises 12 are opposite to each other one by one. After the first connecting pipe 1 and the second connecting pipe 2 are relatively rotated by a multiple of the interval angle between the adjacent tenons 22 or mortises 12, the tenons 22 and the mortises 12 are again in one-to-one correspondence. For example, four tenons 22 and four mortises 12 are arranged, the interval angle between the adjacent tenons 22 is 90 degrees, the interval angle between the adjacent mortises 12 is 90 degrees, after the first connecting pipe 1 and the second connecting pipe 2 rotate by 90 degrees, 180 degrees, 270 degrees or 360 degrees relatively, the positions of the tenons 22 and the positions of the mortises 12 are opposite one by one, and then the tenon 22 is locked by the threaded connecting column 3 to be inserted into the mortises 12, so that the relative position fixing of the first connecting pipe 1 and the second connecting pipe 2 can be realized.
Of course, one of the tenon 22 and the mortise 12 may be provided in 1 and the other may be provided in plural. For example, there are one tenon 22 and 4 mortises 12, the 4 mortises 12 are spaced around the axis of the second connecting pipe 2, and the adjacent spacing angles between the 4 mortises 12 can be the same or different. Through first connecting pipe 1 and the relative rotation of second connecting pipe 2, can make tenon 22 corresponding with different tongue-and-groove 12 in proper order, rethread screw thread spliced pole 3 locks, makes tenon 22 insert in tongue-and-groove 12, can realize that the relative position of first connecting pipe 1 and second connecting pipe 2 is fixed. For example, when the adjacent spacing angles between the 4 mortises 12 are the same, the spacing angle between the adjacent mortises 12 is 90 °, and after the first connecting pipe 1 and the second connecting pipe 2 are relatively rotated by 90 °, 180 °, 270 ° or 360 °, the tenon 22 and one of the mortises 12 are opposite to each other. When the adjacent spacing angles between the 4 mortises 12 are different, for example, the spacing angles between the adjacent mortises 12 are respectively 60 °, 90 °, 110 ° and 100 ° in sequence, and when the tenon 22 corresponds to the first mortise 12, the tenon 22 and one of the mortises 12 are opposite after the first connecting pipe 1 and the second connecting pipe 2 are relatively rotated by 60 °, 150 °, 260 ° or 360 °.
The two tenons 22 can be further arranged, the number of the mortises 12 is 5, the 5 mortises 12 are uniformly distributed around the axis of the second connecting pipe 2 at intervals, the interval angle between every two adjacent mortises 12 is 72 degrees, the interval angle between every two tenons 22 is 72 degrees, after the first connecting pipe 1 and the second connecting pipe 2 rotate by 72 degrees, 144 degrees, 216 degrees, 288 degrees or 360 degrees relatively, the two tenons 22 and the two adjacent mortises 12 are opposite to each other one by one, and then the two tenons 22 are locked by the threaded connecting columns 3, so that the tenons 22 are inserted into the mortises 12, and the relative position fixing of the first connecting pipe 1 and the second connecting pipe 2 can be realized.
Further, a circular concave hole 13 and a cylindrical protruding head 23 are respectively provided in the centers of the opposite end surfaces of the first connection pipe 1 and the second connection pipe 2, the circular concave hole 13 is provided around the first connection hole 11 and communicated with the first connection hole 11, the cylindrical protruding head 23 is provided around the second connection hole 21, and the second connection hole 21 axially penetrates through the cylindrical protruding head 23. The cylindrical projection 23 is inserted into the circular recess 13, and when the first connection pipe 1 and the second connection pipe 2 are relatively rotated, the cylindrical projection 23 is rotated in the circular recess 13. The cylindrical convex head 23 and the circular concave hole 13 are arranged to enable the first connecting pipe 1 and the second connecting pipe 2 to be incompletely separated from each other when rotating relatively, and have supporting force mutually.
Further, the cylindrical protruding head 23 is sleeved with a spring 4, a first supporting surface for supporting one end of the spring 4 is arranged around the periphery of the cylindrical protruding head 23, a second supporting surface for supporting the other end of the spring 4 is arranged on the inner wall of the circular concave hole 13, and the second supporting surface is arranged around the first connecting hole 11 and faces the first supporting surface. When the first connecting pipe 1 and the second connecting pipe 2 are relatively close to each other, the spring 4 is pressed between the first supporting surface and the second supporting surface. When the threaded connection post 3 is unscrewed from the internal thread, the elastic force of the spring 4 is applied to the first connection pipe 1 and the second connection pipe 2 to assist the first connection pipe 1 to be relatively separated from the second connection pipe 2.
This articulated location structure only needs to rotate threaded connection post 3 and realizes the regulation and the location of the relative position of first connecting pipe 1 and second connecting pipe 2 promptly, the simple operation, and the structure is firm.
The first connecting pipe 1 and the second connecting pipe 2 are connected with the bracket, so that the relative position of the two brackets can be adjusted and positioned, for example, the two brackets can be unfolded and folded at different angles.
Referring to fig. 1-5, an embodiment of the folding bedside stand of the present invention is presented:
a folding bedside stand-up comprises a bottom frame 200 and a support frame 100, wherein the bottom frame 200 and the support frame 100 are hinged through the hinge positioning structure in the above embodiment, and the hinge positioning structure is not described in detail.
The first connection pipe 1 is provided on any one of the base frame 200 and the support stand 100, and the second connection pipe 2 is provided on the other one of the base frame 200 and the support stand.
The first connecting pipes 1 in this embodiment are welded to opposite sides of the U-shaped bottom frame 200, the second connecting pipes 2 are welded to opposite sides of the supporting frame 100, and the first connecting pipes 1 and the second connecting pipes 2 on the same side are axially opposite to each other.
The threaded connection column 3 axially penetrates into the second connection pipe 2 from the first connection pipe 1, the column cap 31 abuts against one end, far away from the second connection pipe 2, of the first connection pipe 1, and the threaded connection column 3 can be in threaded connection with internal threads in the second connection pipe 2.
When the threaded connecting column 3 is used for controlling the first connecting pipe 1 and the second connecting pipe 2 to be relatively separated, the tenon 22 is separated from the mortise 12, the first connecting pipe 1 and the second connecting pipe 2 can rotate relatively, and the relative position of the underframe 200 and the support frame 100 can be adjusted through rotation. When the base frame 200 and the supporting frame 100 relatively rotate to a set position (for example, a folded state or an unfolded state), the tenon 22 is aligned with the mortise 12, and then the threaded connection post 3 controls the first connection pipe 1 and the second connection pipe 2 to relatively approach, so that the tenon 22 is inserted into the mortise 12 to realize positioning.
The adjustment and the positioning of the relative position of the underframe 200 and the support frame 100 can be realized by rotating the threaded connecting column 3, the folding or unfolding operation of the bedside standing frame is completed, the operation is convenient, and the structure is stable.
In order to adjust the length of the supporting position on the supporting frame 100, two first telescopic connecting pipes 101, namely an upper first telescopic connecting pipe and a lower first telescopic connecting pipe, which are horizontally arranged relatively are arranged on the supporting frame 100, the upper first telescopic connecting pipe is positioned right above the lower first telescopic connecting pipe, and a fixed pipe 103 is connected between the two first telescopic connecting pipes 101. The left and right ends of the two first telescopic connection pipes 101 are connected with a telescopic frame 102, and the telescopic frame 102 is provided with second telescopic connection pipes 104, an upper second telescopic connection pipe and a lower second telescopic connection pipe, which are opposite to the two first telescopic connection pipes 101. The first telescopic connecting pipe 101 and the second telescopic connecting pipe 104 are circular pipes, and the two second telescopic connecting pipes 104 are arranged in the inner cavities of the corresponding first telescopic connecting pipes 101 and can perform telescopic action in the first telescopic connecting pipes 101.
A plurality of first positioning holes 105 are axially arranged at intervals on the left part and the right part of at least one first telescopic connecting pipe 101, a second positioning hole is arranged on a second telescopic connecting pipe 104 corresponding to the first telescopic connecting pipe 101 provided with the first positioning hole 105, and the first positioning hole 105, the second positioning hole and the matched positioning column 300 form a telescopic positioning structure. The positioning post 300 includes a cap 301 having a major arc shape and capable of being clipped on the second telescopic connection pipe 104, and a column 302 fixedly connected to the center of the cap 301.
When the second telescopic connection pipe 104 extends out or retracts into a certain position, the second positioning hole is aligned with one of the first positioning holes 105, the column body 302 is inserted into the aligned first positioning hole 105 and the second positioning hole, and the buckle cover 301 is buckled and clamped on the second telescopic connection pipe 104, so that the relative position of the second telescopic connection pipe 104 and the first telescopic connection pipe 101 is fixed, and telescopic positioning is realized. Therefore, the user can adjust the length of the supporting position on the supporting frame 100 by the extension and contraction of the second telescopic connecting pipe 104, which is convenient for use.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A hinged positioning structure is characterized by comprising a first connecting pipe, a second connecting pipe and a threaded connecting column, wherein the outer wall surface of the threaded connecting column is provided with an external thread; a first connecting hole axially penetrates through the first connecting pipe, and two ends of the first connecting hole are open ends; a second connecting hole is axially formed in the second connecting pipe, the second connecting hole penetrates through one end or two ends of the second connecting pipe in the axial direction, one end of the second connecting hole is an open end, and the other end of the second connecting hole is an open end or a closed end; the opening end of the first connecting hole is aligned with the opening end of the second connecting hole, and an internal thread matched with the external thread is arranged in the second connecting hole; the front end of the threaded connecting column is provided with a column cap, the threaded connecting column penetrates through the first connecting hole and extends into the second connecting hole to be in threaded connection with the second connecting hole, and the column cap is abutted against one end, far away from the second connecting pipe, of the first connecting pipe, so that the relative distance between the first connecting pipe and the second connecting pipe is reduced; the distance between the first connecting pipe and the second connecting pipe is realized through the threaded connecting column;
the opposite end faces of the first connecting pipe and the second connecting pipe are provided with mortise and tenon positioning structures which are used for positioning after the first connecting pipe and the second connecting pipe rotate relatively for a set angle, each mortise and tenon positioning structure comprises a tenon and a mortise, at least one tenon is arranged in one of the tenon and the mortise, and a plurality of tenons are arranged in the other tenon and the mortise and are arranged around the axis of the connecting pipe where the tenon and the mortise are located at intervals; the mortise is arranged on one of the first connecting pipe and the second connecting pipe, and the tenon is arranged on the other one; when the threaded connecting column is used for controlling the first connecting pipe and the second connecting pipe to be relatively far away, the tenon is separated from the mortise, and the first connecting pipe and the second connecting pipe can rotate relatively; work as first connecting pipe with the second connecting pipe rotates relatively when setting for the position, the tenon with the tongue-and-groove aligns, the rethread threaded connection post control first connecting pipe with the second connecting pipe is pressed close to relatively, makes the tenon inserts in the tongue-and-groove, realize the location.
2. A hinge positioning structure according to claim 1, wherein a circular concave hole is provided at a central position of an opposite end surface of any one of the first connecting pipe and the second connecting pipe, and a cylindrical protruding head is provided at a central position of an opposite end surface of the other one of the first connecting pipe and the second connecting pipe, the circular concave hole is provided around the connecting hole of the connecting pipe and is communicated with the connecting hole of the connecting pipe, the cylindrical protruding head is provided around the connecting hole of the connecting pipe, and the connecting hole of the connecting pipe, in which the cylindrical protruding head is located, axially penetrates through the cylindrical protruding head; the cylindrical convex head is inserted into the circular concave hole, and when the first connecting pipe and the second connecting pipe rotate relatively, the cylindrical convex head rotates in the circular concave hole.
3. A hinge positioning structure according to claim 2, wherein the cylindrical protruding portion is sleeved with a spring, a first supporting surface for supporting one end of the spring is arranged around the periphery of the cylindrical protruding portion, a second supporting surface for supporting the other end of the spring is arranged on the inner wall of the circular concave hole, and the second supporting surface is arranged around the connecting hole on the connecting pipe where the circular concave hole is located; the spring is compressed between the first support surface and the second support surface.
4. A hinge locating structure according to claim 1, wherein the cap is provided with a non-slip structure to prevent slipping of the hand.
5. The hinge positioning structure according to claim 1, wherein a plurality of ones of said tenon and said mortise are provided at regular intervals around an axis of the connecting pipe on which said plurality of ones of said tenon and said mortise are provided.
6. The hinge positioning structure according to claim 5, wherein when a plurality of tenons and mortises are provided, the number of the tenons and the mortises is the same and the positions of the tenons and the mortises correspond to each other.
7. The hinge positioning structure of claim 1, wherein the internal thread is integrally formed on an inner wall surface of the second coupling hole.
8. The hinge positioning structure according to claim 1, wherein an inner member is fixedly connected in the second connecting hole, a threaded hole adapted to the threaded connecting column is formed in the inner member, and the internal thread is formed on an inner wall surface of the threaded hole.
9. A folding bedside stand-up comprising a base frame and a support frame, wherein the base frame and the support frame are hinged by a hinge location structure according to any one of claims 1 to 8; the first connection pipes are disposed at opposite sides on any one of the base frame and the support frame, and the second connection pipes are disposed at opposite sides on the other one of the base frame and the support frame.
10. The folding bedside frame of claim 9, wherein the support frame is provided with two first telescopic connecting pipes transversely arranged, one of the first telescopic connecting pipes is positioned right above the other of the first telescopic connecting pipes, a fixed pipe is connected between the two first telescopic connecting pipes, a telescopic frame is connected to both ends of the first telescopic connecting pipe, the telescopic frame is provided with a second telescopic connecting pipe opposite to the two first telescopic connecting pipes, and the second telescopic connecting pipe is arranged in an inner cavity of the first telescopic connecting pipe and can perform telescopic action in the first telescopic connecting pipe; and the first telescopic connecting pipe and the second telescopic connecting pipe are provided with telescopic positioning structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122099229.3U CN216021791U (en) | 2021-09-01 | 2021-09-01 | Articulated positioning structure and foldable bedside frame of standing up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122099229.3U CN216021791U (en) | 2021-09-01 | 2021-09-01 | Articulated positioning structure and foldable bedside frame of standing up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216021791U true CN216021791U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122099229.3U Active CN216021791U (en) | 2021-09-01 | 2021-09-01 | Articulated positioning structure and foldable bedside frame of standing up |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216021791U (en) |
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2021
- 2021-09-01 CN CN202122099229.3U patent/CN216021791U/en active Active
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