CN215081185U

CN215081185U - Cloth rolling pipe for nursing bed and movable joint with two ends connected with cloth rolling pipe

Info

Publication number: CN215081185U
Application number: CN202120702553.7U
Authority: CN
Inventors: 方俊伟; 王华鲜
Original assignee: Shanghai Zunyi Intelligent Technology Co ltd
Current assignee: Ningbo Zunyi Intelligent Technology Co ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-12-10
Anticipated expiration: 2031-04-07

Abstract

The application relates to a cloth rolling pipe for a nursing bed and a movable joint connected with two ends of the cloth rolling pipe. The union includes: the outer sleeve is in a circular tube shape, the first end of the outer sleeve is provided with an end face and a protruding shaft which extends outwards from the central axis of the end face, the second end of the outer sleeve is open, and a threaded hole is formed in the position, close to the second end, of the circular tube wall of the outer sleeve; the inner sleeve is in a circular tube shape, and the outer diameter of the inner sleeve is gradually reduced from the first end to the second end; the spring is accommodated in the inner sleeve, one end of the spring is fixed at the second end of the inner sleeve, and the other end of the spring is contacted with the inner wall of the first end of the outer sleeve; and the coupling limiting means is used for coupling the guide post with the threaded hole of the outer sleeve and penetrating through the opening of the cloth rolling pipe. The second end of the inner sleeve is inserted into one end of the batching pipe. The second end of the outer sleeve is sleeved on the outer wall of the cloth rolling pipe. The threaded bore of the outer sleeve corresponds to the racetrack opening of the batching pipe and the union is mounted on one end of the batching pipe by the guide post being screwed into the threaded bore of the outer sleeve and abutting the pipe section of the inner sleeve having the third outer diameter.

Description

Cloth rolling pipe for nursing bed and movable joint with two ends connected with cloth rolling pipe

Technical Field

The present application relates to a support rod and a connecting member thereof, and more particularly, to a cloth winding tube for a nursing bed and a movable joint connected at both ends thereof.

Background

Traditionally, nursing beds are built by using a complete machine type outer frame to turn over, for example, jacking up by regions to turn over; inflating in different areas to turn over; the structure design is complex, the functions can not be realized completely, and the requirements of patients can not be met.

Therefore, turning over using a sheet roll-up type is emerging. Firstly, the two cloth rolling pipes are used for lifting, bed sheets are wound on the two cloth rolling pipes, and a basin-shaped protective body is formed in the middle of the two cloth rolling pipes. Meanwhile, the patient needs to turn over in which direction, and the bed sheet is wound on the lifting rod on the corresponding side, so that the bed sheet is transversely displaced. Then, the human body lies on the bed sheet, and the winding of the rod can drive the human body to translate, and the shoulders rise sideways along with the increase of the translation, so that the function of easily turning over the body is achieved, the process is simple and clear, and patients can have stronger comfortable experience.

Although the technical scheme that the two cloth rolling pipes support the bed sheet to help the patient turn over brings a stronger, more perfect and more comfortable experience for the client, the connection between the two cloth rolling pipes and the bed body requires rapidness, convenience and safety and needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application will be solved is that solve quick, convenient, the safe dismouting problem of batching pipe and bed body.

In order to solve the above technical problem, according to an aspect of the present application, there is provided a movable joint for connecting both ends of a cloth winding tube of a nursing bed, comprising: the outer sleeve is in a circular tube shape and comprises a first end connected with the threaded connecting tube on the nursing bed side and a second end connected with the cloth rolling tube body, the first end of the outer sleeve is provided with an end face and a protruding shaft extending outwards from the central axis of the end face, the second end is open, the inner diameter of the outer sleeve is matched with the outer diameter of the cloth rolling tube body, and a threaded hole is formed in the position, close to the second end, of the circular tube wall of the outer sleeve; the inner sleeve is in a circular tube shape and comprises an open first end close to the first end of the outer sleeve and a closed second end far away from the first end of the outer sleeve, the outer diameters of the inner sleeve are gradually decreased from the first end to the second end to form a first tube section with a first outer diameter, a second tube section with a second outer diameter and a third tube section with a third outer diameter respectively, the first outer diameter of the inner sleeve is matched with the inner diameter of the outer sleeve, and the second outer diameter is matched with the inner diameter of the batching tube; the spring is accommodated in the inner sleeve, one end of the spring is fixed at the second end of the inner sleeve, and the other end of the spring is a free end and is contacted with the inner wall of the first end of the outer sleeve; and the coupling limiting means is characterized in that a runway-shaped opening which is formed along the axial direction is formed in the batching pipe body corresponding to the threaded hole of the outer sleeve, and the guide post is coupled with the threaded hole of the outer sleeve, passes through the opening of the batching pipe and abuts against the outer wall of the pipe section with the third outer diameter of the inner sleeve. The second end of the inner sleeve is inserted into one end of the batching tube and the tube section of the inner sleeve having the first outer diameter abuts against the end of the batching tube. The second end of the outer sleeve is sleeved on the outer wall of the cloth rolling pipe. The threaded hole of the outer sleeve corresponds to the racetrack-shaped opening of the cloth rolling tube under the condition of overcoming the elastic force of the spring. The union is mounted on one end of the batching pipe by the guide post being screwed into the threaded hole of the outer sleeve and abutting the pipe section of the inner sleeve having the third outer diameter.

According to an embodiment of the application, the threaded holes of the outer sleeve may be 2-4 evenly distributed over its circumference, and the racetrack-shaped openings of the batching pipe are 2-4 evenly distributed over its circumference, each connected to each other by a guide post.

According to an embodiment of the present application, the threaded holes of the outer sleeve may be 2 evenly distributed on the circumference thereof, and the racetrack-shaped openings of the batching pipe may be 2 evenly distributed on the circumference thereof, respectively connected to each other by guide posts.

According to embodiments of the application, the length of the racetrack-shaped opening of the batching pipe can be greater than or equal to the required telescopic distance of the movable joint.

According to an embodiment of the present application, the threaded connection pipe may include a radially inward recess on an end thereof, and the outer sleeve may include a radially outward protrusion on a first end thereof, the outward protrusion of the outer sleeve and the inward recess of the threaded connection pipe being coupled to each other.

According to embodiments of the present application, the outward protrusion of the outer sleeve and the inward recess of the threaded connection pipe may respectively include one to four pairs that are evenly distributed on the circumference.

According to an embodiment of the present application, the outward protrusion of the outer sleeve and the inward recess of the threaded connection pipe may each comprise a pair.

According to an embodiment of the present application, the threaded connection pipe may include a radially outward protrusion on an end thereof, and the outer sleeve may include a radially inward recess on a first end thereof, the inward recess of the outer sleeve and the outward protrusion of the threaded connection pipe being coupled to each other.

According to embodiments of the present application, the inward recess of the outer sleeve and the outward protrusion of the threaded connection pipe may respectively comprise one to four pairs evenly distributed over the circumference.

According to an embodiment of the application, the inward recess of the outer sleeve and the outward protrusion of the threaded connection pipe may each comprise a pair that are circumferentially equispaced.

According to embodiments of the present application, the inner and outer sleeves are made of the same material, which may include industrial plastics, steel, stainless steel, aluminum alloys, copper alloys.

According to embodiments of the present application, the threaded connection tube may include an inner bore, the inner bore may include circular, triangular, square, pentagonal, hexagonal, and octagonal shapes, and the protruding shaft of the first end of the outer sleeve may include circular, triangular, square, pentagonal, hexagonal, and octagonal shapes to slip fit and circumferentially retain each other.

According to embodiments of the present application, the inner bore of the threaded connection tube may be square in shape and the protruding shaft of the first end of the outer sleeve is square in shape.

According to another aspect of the present application, there is provided a swivel joint as described above comprising a coupling at both ends thereof.

Compared with the prior art, the application can realize the following beneficial effects:

the disassembly and assembly of the cloth rolling pipe and the bed body can be realized safely, reliably, quickly and conveniently.

In terms of application, the movable joint according to the embodiment of the application is suitable for occasions needing butt joint of pipes, such as a clothes hanging rod in a wardrobe, butt joint of cross and vertical handrail rods on a bus subway and the like.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below, and it is apparent that the drawings in the following description only relate to some embodiments of the present application and are not limiting on the present application.

Fig. 1 is a schematic view of a care bed according to an embodiment of the application.

Fig. 2 is a schematic view specifically showing the position where a threaded connection pipe connected to a cloth winding pipe is located at the head of a bed for nursing.

FIG. 3 is a schematic view of a batching tube according to an embodiment of the present application.

FIG. 4 is a block diagram of a loose joint according to an embodiment of the present application.

FIG. 5 is a perspective view of the assembled nipples, unions and batching pipe.

Fig. 6 is a schematic view showing the shape of the inner bore of the threaded connection pipe.

FIG. 7 is a schematic view showing a convex shaft shape of the first end of the outer sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings of the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the application without any inventive step, are within the scope of protection of the application.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and claims of this patent application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

Embodiments of the present application are described below with reference to the drawings.

Fig. 1 is a perspective view of a care bed according to an embodiment of the present application.

As shown in fig. 1, a nursing bed according to an embodiment of the present application includes a bed body 10, a first bed head 20, a second bed head 30, a first cloth winding tube 40, a second cloth winding tube 50, a first motor 60, a second motor 70, a first lifting mechanism 80, and a second lifting mechanism 90.

As shown in fig. 1, the bed 10 includes a first side plate 11, a second side plate 12 disposed opposite to and parallel to the first side plate 11, a cross member 13 connecting the first side plate 11 and the second side plate 12 to define a bed surface together, and legs 14 supporting the first side plate 11 and the second side plate 12. The length of the first and

second side panels

11, 12 substantially defines the length of the care bed and the length of the cross beam 13 substantially defines the width of the care bed. The side plates can also be called side rods or bed edges, and the cross beams can also be called bed head frames or cross arms.

The first bed head 20 is fixedly connected to one end of the first side plate 11 and one end of the second side plate 12 of the bed body 10, and includes a hollow accommodating space and vertical

direction sliding grooves

21 and 22 formed above the first side plate 11 and the second side plate 12.

The second bed head 30 is fixedly connected to the other ends of the first side plate 11 and the second side plate 12 of the bed body 10, and includes a hollow accommodating space and vertical upper

sliding grooves

31 and 32 disposed above the first side plate 11 and the second side plate 12.

The first head 20 may be a head and the second head 30 may be a foot, or vice versa. In addition, the bed head, the bed tail and the side plates are fixedly connected in a detachable mode. The

runners

21, 22, 31, 32 may be identical in shape and size and in position the runner 21 is arranged symmetrically to the runner 22 on the first head 20 and the runner 31 is arranged symmetrically to the runner 32 on the second head 30. Therefore, the slide groove 21 and the slide groove 31 oppose each other, and the slide groove 22 and the slide groove 32 oppose each other.

Although

runners

21 and 22 are not shown in fig. 1, they correspond to

runners

31 and 32, respectively, and may have the same location and configuration, as will be appreciated by those skilled in the art, below.

The first cloth winding tube 40 is disposed above the first side plate 11, and has a first end rotatably and slidably received in the corresponding slide groove 21 of the first head 20 and a second end rotatably and slidably received in the corresponding slide groove 31 of the second head 30.

The second batching pipe 50 is arranged above the second side plate 12, and has a first end rotatably and slidably received in the corresponding chute 21 of the first head 20 and a second end rotatably and slidably received in the corresponding chute 32 of the second head 30.

The first and

second batching pipes

40 and 50 may be collectively referred to as batching pipes, batching rods, reeling pipes, or reeling rods, etc., as long as they have a function of being rotatable and capable of winding a sheet.

The first motor 60 is disposed in the accommodating space of the first head 20 or the second head 30, and is coaxially connected to the first batching pipe 40 and drives it to rotate forward and backward. Or the first motor 60 can be accommodated in the accommodating space of the first head 20 or the second head 30 and drive the forward and reverse rotation of the first batching pipe 40 through a transmission mechanism.

The second motor 70 is disposed in the accommodating space of the first head 20 or the second head 30, coaxially connected to the second batching pipe 50, and drives the forward and reverse rotation thereof. Or the second motor may be accommodated in the accommodating space of the first head 20 or the second head 30 and drive the forward and reverse rotation of the second batching pipe 50 through a transmission mechanism.

The first motor 60 and the second motor 70 may be collectively referred to as a rotary motor for driving the rotation of the cloth rolling tube. According to the use requirement, sometimes the two run in the same direction at the same time, sometimes the two run in opposite directions at the same time. Therefore, the synchronicity of the first motor 60 and the second motor 70 is important and should be controlled by the controller.

As shown in fig. 2, the first batching tube 40 and the second batching tube 50 can be removed when not needed for use. However, when needed, the device needs to be quickly, conveniently, safely and reliably mounted.

After the first batching pipe 40 and the second batching pipe 50 are detached, threaded connecting

pipes

41, 42, 51, 52 are left in abutment therewith, the threaded

connectors

41 and 42 being located in the sliding

slots

21 and 22, respectively, and the threaded

connectors

51 and 52 being located in the sliding

slots

31 and 32, respectively.

As shown in fig. 3, the cloth winding tube 40 for a nursing bed according to an embodiment of the present application includes a cloth winding tube body 42 and

movable joints

43 and 44 at both ends of the cloth winding tube body.

The structure of the union is described below by taking the union 43 on one end of the batching pipe 40 as an example.

FIG. 4 is a block diagram of a union according to an embodiment of the present application, and FIG. 5 is a perspective view of an assembled nipple, union, and batching pipe.

As shown in fig. 4 and 5, according to an embodiment of the present application, there is provided a union including: the device comprises an outer sleeve 1, an inner sleeve 2, a spring 3 and a coupling limiting means 4.

The outer tube 1 has a circular tube shape including a first end 1a connected to the threaded connection tube 41 on the nursing bed side and a second end 1b connected to the cloth winding tube body 42, the first end 1a of the outer tube 1 has an end face and a protruding shaft 1d extending outward in the axial direction from the center of the end face 1c, and the second end 1b is open, the inner diameter of the outer tube 1 matches the outer diameter of the cloth winding tube body 42, and the circular tube wall of the outer tube 1 has a threaded hole 1e near the second end.

The inner tube 2 has a circular tube shape, including an open first end 2a close to the first end 1a of the outer tube 1 and a closed second end 2b far from the first end 1a of the outer tube 1, and the outer diameter thereof is gradually decreased from the first end 2a to the second end 2b to form a first tube section 2c having a first outer diameter, a second tube section 2d having a second outer diameter and a third tube section 2e having a third outer diameter, respectively, wherein the first outer diameter of the inner tube 2 is matched with the inner diameter of the outer tube 1, and the second outer diameter is matched with the inner diameter of the batching tube body 42.

The spring 3 is accommodated in the inner sleeve 2 and has one end fixed to the second end 2b of the inner sleeve 2 and the other end, which is a free end, in contact with the inner wall of the first end 1a of the outer sleeve 1. Typically, the spring 3 may be a compression spring, the spring constant and the pre-stress after compression being determined by calculation from the stress of the movable joint. The spring 3 and the second end 2b of the inner sleeve 2 can be connected by a snap connection. However, the application is not limited thereto, but the spring 3 may be fixedly connected with the second end 2b of the inner sleeve 2, and then the second end 2b is fixed to the second end of the inner sleeve.

The coupling limiting means 4 is a combination body. The batching pipe body 42 is provided with a runway-shaped opening 42a corresponding to the threaded hole 1e of the outer sleeve 1 along the axial direction, and the guide post 5 is coupled with the threaded hole 1e of the outer sleeve 1, passes through the opening 42a of the batching pipe body 42 and abuts against the outer wall of a third pipe section 2e with a third outer diameter of the inner sleeve 2. The second end of the inner sleeve 2 is inserted into one end of the batching pipe body 42 and the first tube section 2c of the inner sleeve 2 having the first outer diameter abuts on the end of the batching pipe body 42. The second end 1b of the outer sleeve 1 is sleeved on the outer wall of the cloth rolling pipe body 42. The screw hole 1e of the outer tube 1 corresponds to the race-track shaped opening 42a of the cloth winding tube body 42 against the elastic force of the spring 3. The union is mounted on one end of the batching pipe body 42 by the guide post being screwed into the threaded hole 1e of the outer sleeve 1 and abutting against the third pipe section 2e of the inner sleeve 2, having a third outer diameter.

According to an embodiment of the present application, the threaded holes 1e of the outer sleeve 1 may be 2-4 evenly distributed on the circumference thereof, and the racetrack-shaped openings 42a of the batching pipe body 42 may be 2-4 evenly distributed on the circumference thereof, respectively connected to each other by the guide posts 5.

According to an embodiment of the present application, the screw holes 1e of the outer sleeve 1 may be 2 evenly distributed on the circumference thereof, and the racetrack-shaped openings 42a of the batching pipe body 42 may be 2 evenly distributed on the circumference thereof, respectively connected to each other by the guide posts 5.

According to an embodiment of the present application, the length of the racetrack-shaped opening of the batching pipe body 42 may be greater than or equal to the required telescoping distance of the union.

According to an embodiment of the present application, the threaded connection pipe 41 may include a radially inward recess (not shown) on an end thereof, and the first end 1a of the outer sleeve 1 may include a radially outward protrusion (not shown) thereon, the outward protrusion of the outer sleeve 1 and the inward recess of the threaded connection pipe 41 being coupled to each other.

According to an embodiment of the present application, the outward protrusion of the outer sleeve 1 and the inward recess of the nipple 41 may respectively include one to four pairs that are evenly distributed on the circumference.

According to an embodiment of the present application, the outward protrusion of the outer sleeve 1 and the inward recess of the threaded connection pipe 41 may respectively comprise a pair.

According to an embodiment of the present application, the threaded connection pipe 41 may include a radially outward protrusion (not shown) on an end thereof, and the outer sleeve 1 may include a radially inward recess (not shown) on a first end thereof, the inward recess of the outer sleeve 1 and the outward protrusion of the threaded connection pipe 41 being coupled to each other.

According to an embodiment of the present application, the inward recess of the outer sleeve 1 and the outward protrusion of the nipple 41 may respectively comprise one to four pairs which are evenly distributed on the circumference.

According to an embodiment of the present application, the inward recess of the outer sleeve 1 and the outward protrusion of the nipple 41 may respectively comprise a pair that is evenly distributed on the circumference.

According to an embodiment of the application, the inner 2 and outer 1 sleeves are made of the same material and may comprise industrial plastics, steel, stainless steel, aluminium alloys, copper alloys.

Fig. 6 is a schematic view showing the shape of the inner bore of the threaded connection pipe, and fig. 7 is a schematic view showing the shape of the protruding shaft of the first end of the outer sleeve.

According to embodiments of the present application, the threaded connection tube 41 may comprise an inner bore 41a, the inner bore 41a may comprise circular, triangular, square, pentagonal, hexagonal and octagonal shapes, and the protruding shaft 1d of the first end 1a of the outer sleeve 1 may comprise circular, triangular, square, pentagonal, hexagonal and octagonal shapes to be slip-fitted and circumferentially restrained with each other.

According to an embodiment of the present application, the inner bore 41a of the nipple 41 may be square in shape, and the protruding shaft 1d of the first end 1a of the outer sleeve 1 may be square in shape.

The above description is only exemplary of the present application and is not intended to limit the scope of the present application, which is defined by the appended claims.

Claims

1. A loose joint that is used for nursing bed's batching pipe both ends to connect, its characterized in that includes:

the outer sleeve is in a circular tube shape and comprises a first end connected with the threaded connecting tube on the nursing bed side and a second end connected with the cloth rolling tube body, the first end of the outer sleeve is provided with an end face and a protruding shaft extending outwards from the central axis of the end face, the second end is open, the inner diameter of the outer sleeve is matched with the outer diameter of the cloth rolling tube body, and a threaded hole is formed in the circular tube wall of the outer sleeve close to the second end;

the inner sleeve is in a circular tube shape and comprises an open first end close to the first end of the outer sleeve and a closed second end far away from the first end of the outer sleeve, the outer diameter of the inner sleeve is gradually reduced from the first end to the second end to form a first tube section with a first outer diameter, a second tube section with a second outer diameter and a third tube section with a third outer diameter respectively, the first outer diameter of the inner sleeve is matched with the inner diameter of the outer sleeve, and the second outer diameter of the inner sleeve is matched with the inner diameter of the batching tube;

the spring is accommodated in the inner sleeve, one end of the spring is fixed at the second end of the inner sleeve, and the other end of the spring is a free end and is contacted with the inner wall of the first end of the outer sleeve; and

a coupling limiting means, a runway-shaped opening arranged along the axial direction is arranged on the batching pipe body corresponding to the threaded hole of the outer sleeve, a guide post is coupled with the threaded hole of the outer sleeve and passes through the opening of the batching pipe to abut against the outer wall of the pipe section with the third outer diameter of the inner sleeve,

wherein the second end of the inner sleeve is inserted into one end of the batching pipe, and the pipe section of the inner sleeve with the first outer diameter is abutted against the end of the batching pipe,

wherein the second end of the outer sleeve is sleeved on the outer wall of the cloth rolling pipe,

wherein the threaded hole of the outer tube corresponds to the racetrack-shaped opening of the cloth rolling tube against the elastic force of the spring, and

wherein the union is mounted on one end of the batching pipe by the guide post being screwed into the threaded bore of the outer sleeve and abutting the pipe section of the inner sleeve having a third outer diameter.

2. The union of claim 1, wherein the threaded holes of the outer sleeve are 2-4 evenly distributed over the circumference thereof, and the racetrack-shaped openings of the batching pipe are 2-4 evenly distributed over the circumference thereof, each connected to each other by a guide post.

3. The union of claim 2, wherein the threaded holes of the outer sleeve are 2 evenly distributed over the circumference thereof, and the racetrack-shaped openings of the batching pipe are 2 evenly distributed over the circumference thereof, each connected to each other by a guide post.

4. The union of claim 1, wherein the length of the racetrack opening of the batching pipe is equal to or greater than the required reach of the union.

5. The union of claim 1, wherein the threaded connection pipe includes a radially inward notch on an end thereof, and the outer sleeve includes a radially outward projection on a first end thereof, the outward projection of the outer sleeve and the inward notch of the threaded connection pipe being coupled to each other.

6. The union of claim 5, wherein the outward projection of the outer sleeve and the inward recess of the threaded coupling tube each comprise one to four pairs circumferentially spaced apart.

7. The union of claim 6, wherein the outward projection of the outer sleeve and the inward recess of the threaded coupling tube each comprise a pair.

8. The union of claim 1, wherein the threaded connection pipe includes a radially outward projection on an end thereof, and the outer sleeve includes a radially inward recess on a first end thereof, the inward recess of the outer sleeve and the outward projection of the threaded connection pipe being coupled to one another.

9. The union of claim 8, wherein the inward recess of the outer sleeve and the outward projection of the threaded connector each comprise one to four pairs circumferentially spaced apart.

10. The union of claim 9, wherein the inward recess of the outer sleeve and the outward projection of the threaded connector each comprise a pair that are circumferentially equispaced.

11. The union of claim 1 wherein the inner sleeve and the outer sleeve are made of the same material, including industrial plastics, steel, stainless steel, aluminum alloys, copper alloys.

12. The union of claim 1, wherein the threaded coupling tube comprises an internal bore comprising circular, triangular, square, pentagonal, hexagonal, and octagonal shapes, and the male shaft of the first end of the outer sleeve comprises circular, triangular, square, pentagonal, hexagonal, and octagonal shapes to slip fit and circumferentially retain one another.

13. The union of claim 12, wherein the inner bore of the threaded coupling tube is square in shape and the protruding shaft of the first end of the outer sleeve is square in shape.

14. A cloth winding tube for a nursing bed, comprising the loose joint of any one of claims 1 to 11 attached thereto on both ends thereof.