Bed sheet laying device for examination bed

Abstract

The utility model provides a bed sheet laying device for an examination bed, and relates to the technical field of medical beds. The bed sheet laying device comprises an unwinding assembly arranged at one end of an examination bed in the length direction of the examination bed; the winding assembly is arranged at the other end of the examination bed in the length direction; the tensioning assemblies are arranged between the unwinding assembly and the examination bed as well as between the winding assembly and the examination bed, and the tensioning assemblies are in sliding connection with a bed frame of the examination bed; the photoelectric sensor is mounted on the tensioning assembly; the deviation rectifying assembly is mounted at the bottom of the examination bed; the deviation rectifying assembly comprises lead screw motors, the lead screw motors are arranged on the two sides of the bottom of a bed frame of the examination bed in the width direction of the examination bed, and the lead screw motors are connected with the tensioning assembly; and the photoelectric switch is mounted on the tensioning assembly. According to the utility model, the rolling assembly, the unrolling assembly, the deviation rectifying assembly and the tensioning assembly are matched to realize automatic replacement of the bed sheet, so that the labor intensity is greatly reduced, and the inspection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical beds, in particular to a bed sheet laying device for an examination bed. Background Art

[0002] The examination beds used in hospitals are used by several people every day. To avoid cross infection, disposable treatment towels are usually placed on the examination beds. If the treatment towels are replaced after each examination, the labor intensity is high and the examination efficiency will be greatly reduced. Utility Model Content

[0003] In order to solve the above-mentioned technical problems, the utility model provides a device for inspecting the laying of bed sheets, which realizes automatic replacement of bed sheets through the cooperation of a winding assembly, an unwinding assembly, a correction assembly and a tensioning assembly. During the automatic replacement process, a photoelectric sensor is set on the tensioning assembly, and the tensioning assembly records the winding length of the bed sheet during rotation, so that the length precision calculation of the bed sheet during the winding process is more accurate.

[0004] The technical solution adopted by the utility model is:

[0005] A bed sheet laying device for an examination bed, comprising:

[0006] An unwinding assembly is arranged at one end of the examination bed along its length direction;

[0007] A winding assembly is arranged at the other end of the examination bed along the length direction thereof;

[0008] A tensioning assembly, which is provided between the unwinding assembly and the examination bed and between the winding assembly and the examination bed, and is slidably connected to the bed frame of the examination bed;

[0009] A photoelectric sensor is mounted on the tensioning assembly;

[0010] A deviation correction component is installed at the bottom of the examination bed and is located on a side of the winding component close to the unwinding component after installation;

[0011] Wherein, the correction component comprises:

[0012] A screw motor is provided on both sides of the bottom of the bed frame along the width direction of the examination bed, and the movable end of the screw motor is connected to the tensioning assembly;

[0013] A photoelectric switch is installed on the tensioning assembly and is located on opposite sides of the examination bed along its width direction after installation;

[0014] When the photoelectric switch arranged on the tensioning assembly detects that the bed sheet deviates from the preset position, the screw motor corresponding to the deviated side starts after receiving the deviation signal, and the tensioning assembly is driven by the screw motor to adjust the position of the bed sheet.

[0015] Optionally, the unwinding assembly comprises:

[0016] A first mounting plate, with first mounting plates mounted on opposite sides along the width direction of the examination bed;

[0017] A first positioning member, wherein the first positioning member is installed on opposite side walls of the two first mounting plates, and the first positioning member is located on a side of the first mounting plate away from the examination bed;

[0018] The unwinding roller is rotatably mounted between the two first positioning members, and the unused sheets are rolled up on the unwinding roller.

[0019] Optionally, the winding assembly comprises:

[0020] A second mounting plate, with second mounting plates mounted on opposite sides along the width direction of the examination bed;

[0021] A driving motor is mounted on one of the second mounting plates, and a power output end of the driving motor is arranged toward the other second mounting plate;

[0022] A mounting member, mounted on a power output shaft of the drive motor;

[0023] A second positioning member is mounted on the second mounting plate and is arranged opposite to the mounting member;

[0024] The winding roller has one end clamped with the mounting member and the other end rotatably connected with the second positioning member.

[0025] Optionally, the tensioning assembly comprises:

[0026] A third mounting plate is slidably mounted on opposite side walls along the width direction of the examination bed and is located at the bottom of the bed frame of the examination bed after being mounted;

[0027] A first paper guide shaft is rotatably mounted between the two third mounting plates and is located at a side away from the examination bed;

[0028] A second paper guide shaft is rotatably mounted between the two third mounting plates and is located on a side close to the examination bed;

[0029] Wherein, the photoelectric sensor is installed on the second paper guide shaft.

[0030] Optionally, the first paper guide shaft comprises:

[0031] A paper guide rod, installed between the two third mounting plates;

[0032] Rotating member, both ends of the paper guide rod close to the third mounting plate are provided with the rotating member, and a solid lubricant is provided at the connection between the rotating member and the paper guide rod;

[0033] The winding drum is arranged between the two rotating parts.

[0034] Optionally, the second paper guide shaft has the same structure as the first paper guide shaft, and the photoelectric sensor is mounted on one of the rotating parts of the second paper guide shaft.

[0035] Optionally, the correction component further comprises:

[0036] A limiter is installed on the bed frame of the examination bed, and a slide groove matching with the limiter is provided on the third mounting plate;

[0037] When the screw motor drives the third mounting plate to slide, the third mounting plate slides on the limiting member.

[0038] Optionally, a mounting opening is provided on the first positioning member, and the unwinding roller is placed in the mounting opening.

[0039] Optionally, a controller is also included, and the controller is electrically connected to the photoelectric sensor, the winding component and the correcting component.

[0040] Compared with the prior art, the beneficial effects of the utility model are:

[0041] 1. By arranging the photoelectric sensor on the tensioning assembly, the tensioning assembly records the rolled length of the bed sheet during the rotation process, so that the length precision calculation of the bed sheet during the rolling process is more accurate.

[0042] 2. During the process of rolling and laying the sheets, the sheets may not be rolled onto the sheet collecting device as expected, causing the newly laid sheets to be offset at an angle. Therefore, a correction component is provided on the tensioning device to correct the deviation of the sheets. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0044] Figure 1 This is an overall schematic diagram of the sheet laying device for the inspection bed.

[0045] Figure 2 Schematic diagram of the planar structure of the bed sheet laying device for the inspection bed Figure 1 .

[0046] Figure 3 Schematic diagram of the planar structure of the bed sheet laying device for the inspection bed Figure 2 .

[0047] Figure 4 for Figure 3 Schematic diagram of the local enlarged structure at point A in the middle.

[0048] Figure 5 It is a schematic structural diagram of the first paper guide shaft.

[0049] Figure 6 A schematic diagram of the partial three-dimensional structure of the bed sheet laying device for the inspection bed Figure 1 .

[0050] Figure 7 A schematic diagram of the partial three-dimensional structure of the bed sheet laying device for the inspection bed Figure 2 .

[0051] Figure 8 for Figure 7 Schematic diagram of the local enlarged structure at point B in the middle.

[0052] Reference numerals:

[0053] 1. Unwinding assembly; 11. First mounting plate; 12. First positioning member; 13. Unwinding roller; 14. Mounting opening;

[0054] 2. Winding assembly; 21. Second mounting plate; 22. Driving motor; 23. Mounting member; 24. Second positioning member; 25. Winding roller;

[0055] 3. tensioning assembly; 31. third mounting plate; 311. slideway; 32. first paper guide shaft; 321. paper guide rod; 322. rotating member; 323. winding drum; 324. solid lubricant; 33. second paper guide shaft;

[0056] 4. Photoelectric sensor;

[0057] 5. Correction assembly; 51. Screw motor; 52. Photoelectric switch; 53. Limiting piece;

[0058] 6. Controller. DETAILED DESCRIPTION

[0059] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0060] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0061] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0062] In the present utility model, unless otherwise clearly stipulated and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0063] The disclosure below provides many different embodiments or examples for realizing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present invention. In addition, the present invention may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0064] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0065] like Figure 1 , Figure 2 , Figure 3 , Figure 6 and Figure 7As shown, the embodiment of the utility model provides a bed sheet laying device for an examination bed, comprising: an unwinding assembly 1, a rewinding assembly 2, a tensioning assembly 3, a photoelectric sensor 4 and a deviation correction assembly 5. The unwinding assembly 1 and the rewinding assembly 2 are relatively arranged at the two ends of the examination bed. The tensioning assembly 3 is arranged at the two ends of the examination bed, and is located between the unwinding assembly 1 and the examination bed and between the rewinding assembly 2 and the examination bed. After the tensioning assembly 3 is installed, it can slide along the length direction of the examination bed, so as to facilitate the adjustment of the tightness of the bed sheet. The photoelectric sensor 4 is installed on the tensioning assembly 3.

[0066] When in use, the rolled-up bed sheet is rotated and installed on the unwinding assembly 1, and one end of the bed sheet is connected to the winding assembly 2. When the bed sheet needs to be replaced, the winding assembly 2 moves to roll the used bed sheet onto the winding assembly 2. During the winding process, the photoelectric sensor 4 installed on the tensioning assembly 3 detects the rolled-up length of the bed sheet. This avoids the problem of inadequate replacement of the bed sheet or excessive winding causing waste. The tensioning assembly 3 and the deviation correction assembly 5 are used to adjust the bed sheet during the winding process to prevent the bed sheet from deflecting during the winding process.

[0067] The technical solution recorded in this embodiment can realize automatic replacement of bed sheets and correct deviation during the replacement process, greatly reducing the labor intensity of manual replacement and improving inspection efficiency during inspection.

[0068] like Figure 8 As shown, more specifically, the deviation correction component 5 includes: a screw motor 51 and a photoelectric switch 52. The screw motor 51 is arranged on both sides of the bottom of the bed frame along the width direction of the examination bed, and the movable end of the screw motor 51 is connected to the tensioning component 3. The photoelectric switch 52 is installed on the tensioning component 3, and after installation, it is located on the opposite side of the examination bed along the width direction.

[0069] When the photoelectric switch 52 arranged on the tensioning assembly 3 detects that the bed sheet has reached the preset position, the screw motor 51 corresponding to the deviated side starts after receiving the signal from the photoelectric switch 52, and the tensioning assembly 3 is driven by the screw motor 51 to adjust the position of the bed sheet.

[0070] When in use, the photoelectric sensor 4 is used to detect the laying length of the bed sheet, and the photoelectric switch 52 is used to detect whether the bed sheet deviates from a preset track during the laying process.

[0071] In one embodiment, if Figure 1 and Figure 2As shown, the unwinding assembly 1 comprises: a first mounting plate 11, a first positioning member 12 and an unwinding roller 13. The first mounting plates 11 are mounted on opposite sides along the width direction of the examination bed. The first positioning members 12 are mounted on opposite side walls of the two first mounting plates 11, and the first positioning members 12 are arranged on the side of the first mounting plates 11 away from the examination bed. The unwinding roller 13 is rotatably mounted between the two first positioning members 12, and the unused bed sheet is rolled up on the unwinding roller 13.

[0072] When in use, the bed sheet is sleeved on the unwinding roller 13, one end of the bed sheet is pulled onto the winding assembly 2, and then the bed sheet is moved by the winding of the winding assembly 2, completing the automatic replacement of the bed sheet. When a roll of bed sheet is used up, the unwinding roller 13 is rotatably sleeved on the two first positioning members 12 for easy replacement.

[0073] In one embodiment, if Figure 1 and Figure 3 As shown, the winding assembly 2 includes: a second mounting plate 21, a driving motor 22, a mounting member 23, a second positioning member 24 and a winding roller 25. The second mounting plates 21 are mounted on opposite sides along the width direction of the examination bed. The driving motor 22 is mounted on one of the second mounting plates 21, and the power output end of the driving motor 22 is arranged toward the other second mounting plate 21. The mounting member 23 is mounted on the power output shaft of the driving motor 22. The second positioning member 24 is mounted on the second mounting plate 21 and is arranged opposite to the mounting member 23. One end of the winding roller 25 is clamped with the mounting member 23, and the other end is rotationally connected with the second positioning member 24.

[0074] When changing the bed sheet, the driving motor 22 drives the mounting member 23 to rotate, and the mounting member 23 drives the winding roller 25 to rotate during the rotation process. The winding roller 25 winds up the used bed sheet onto the winding roller 25 during the rotation process.

[0075] In one embodiment, if Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the tensioning assembly 3 includes: a third mounting plate 31, a first paper guide shaft 32 and a second paper guide shaft 33. The third mounting plates 31 are slidably mounted on the opposite side walls along the width direction of the examination bed, and are located at the bottom of the bed frame of the examination bed after installation. The power output shaft of the screw motor 51 is connected to the third mounting plate 31. The first paper guide shaft 32 is rotatably mounted between the two third mounting plates 31, and is located on the side away from the examination bed after installation. The second paper guide shaft 33 is mounted between the two third mounting plates 31, and is arranged close to the examination bed after installation. Among them, the photoelectric sensor 4 is mounted on the second paper guide shaft 33.

[0076] When in use, in order to facilitate adjustment of the tension of the bed sheet, a tensioning assembly 3 is arranged between the winding assembly 2 and the examination bed, and another tensioning assembly 3 is arranged between the unwinding assembly 1 and the examination bed. When in use, the first paper guide shaft 32 and the second paper guide shaft 33 are arranged at one end to improve the stability of the bed sheet during the automatic laying process, and the photoelectric sensor 4 is arranged on the second paper guide shaft 33 near one end of the bed frame, so that the photoelectric sensor 4 can collect the running length of the bed sheet.

[0077] In one embodiment, if Figure 5 As shown, the first paper guide shaft 32 includes: a paper guide rod 321, a rotating member 322 and a winding drum 323. The paper guide rod 321 is installed between the two third mounting plates 31. The rotating member 322 is installed at both ends of the paper guide rod 321 close to the third mounting plate 31, and a solid lubricant 324 is provided between the rotating member 322 and the paper guide shaft. The winding drum 323 is provided between the two rotating members 322. The second paper guide shaft 33 has the same structure as the first paper guide shaft 32, and the photoelectric sensor 4 is installed on one of the rotating members 322 of the second paper guide shaft 33.

[0078] A reel 323 is arranged outside the paper guide rod 321. The surface of the reel 323 is treated with plastic dipping to increase the friction between the reel 323 and the bed sheet. The reel 323 is rotatably arranged on the paper guide rod 321 through two rotating members 322. A solid lubricant is applied between the two rotating members 322 and the paper guide rod 321, so that the reel 323 is completely synchronized with the bed sheet during the bed sheet collection process. During the rotation process, the photoelectric sensor 4 on the rotating member 322 is driven to rotate. The photoelectric sensor 4 records the rotation signal during the rotation process. When the rotation signal reaches a preset value, the bed sheet is replaced.

[0079] In one embodiment, if Figure 8 As shown, the deviation correction component 5 further includes: a limiter 53, the limiter 53 is installed on the bed frame of the examination bed, and the third mounting plate 31 is provided with a slide groove 311 that matches the limiter 53. When the screw motor 51 drives the third mounting plate 31 to slide, the third mounting plate 31 slides on the limiter 53.

[0080] The cooperation between the stopper 53 and the slide groove 311 is to prevent the third mounting plate 31 from being offset during the deviation correction process, thereby affecting the deviation correction effect.

[0081] In one embodiment, if Figure 2 As shown, in order to facilitate the placement of the unwinding roller 13 , a mounting opening 14 is provided on the first positioning member 12 , and the unwinding roller 13 is placed in the mounting opening 14 .

[0082] In one embodiment, if Figure 1As shown, a controller 6 is also included, and the controller 6 is electrically connected to the photoelectric sensor 4, the winding component 2 and the correcting component 5.

[0083] More specifically, when the bed sheet needs to be replaced, the photoelectric sensor 4 rotates and collects signals during the reeling process. After collecting a certain amount of signals, the information is fed back to the controller 6, and the controller 6 controls the reeling assembly 2 to stop moving, completing the reeling of the used bed sheet and laying the new bed sheet. During the process of replacing the bed sheet, the photoelectric switch 52 detects the deviation of the bed sheet and feeds back the information to the controller 6, which controls the screw motor 51 to adjust it.

[0084] It should be noted that the controller 6 is provided with a protection mechanism, and if there is an erroneous operation to change the bed sheet or the current is too large, the power will be cut off to protect the winding component 2.

[0085] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A bed sheet laying device for an examination bed, characterized in that: include: An unwinding assembly is arranged at one end of the examination bed along its length direction; A winding assembly is arranged at the other end of the examination bed along the length direction thereof; A tensioning assembly, which is provided between the unwinding assembly and the examination bed and between the winding assembly and the examination bed, and is slidably connected to the bed frame of the examination bed; A photoelectric sensor is mounted on the tensioning assembly; A deviation correction component is installed at the bottom of the examination bed and is located on a side of the winding component close to the unwinding component after installation; Wherein, the correction component comprises: A screw motor is provided on both sides of the bottom of the bed frame along the width direction of the examination bed, and the movable end of the screw motor is connected to the tensioning assembly; A photoelectric switch is installed on the tensioning assembly and is located on opposite sides of the examination bed along its width direction after installation; When the photoelectric switch arranged on the tensioning assembly detects that the bed sheet deviates from the preset position, the screw motor corresponding to the deviated side starts after receiving the deviation signal, and the tensioning assembly is driven by the screw motor to adjust the position of the bed sheet.

2. The bed sheet laying device for an examination bed according to claim 1, characterized in that: The unwinding assembly comprises: A first mounting plate, with first mounting plates mounted on opposite sides along the width direction of the examination bed; A first positioning member, wherein the first positioning member is installed on opposite side walls of the two first mounting plates, and the first positioning member is located on a side of the first mounting plate away from the examination bed; The unwinding roller is rotatably mounted between the two first positioning members, and the unused sheets are rolled up on the unwinding roller.

3. The bed sheet laying device for an examination bed according to claim 1, characterized in that: The winding assembly comprises: A second mounting plate, with second mounting plates mounted on opposite sides along the width direction of the examination bed; A driving motor is mounted on one of the second mounting plates, and a power output end of the driving motor is arranged toward the other second mounting plate; A mounting member, mounted on a power output shaft of the drive motor; A second positioning member is mounted on the second mounting plate and is arranged opposite to the mounting member; The winding roller has one end clamped with the mounting member and the other end rotatably connected with the second positioning member.

4. The bed sheet laying device for an examination bed according to claim 1, characterized in that: The tensioning assembly comprises: A third mounting plate is slidably mounted on opposite side walls along the width direction of the examination bed and is located at the bottom of the bed frame of the examination bed after being mounted; A first paper guide shaft is rotatably mounted between the two third mounting plates and is located at a side away from the examination bed; A second paper guide shaft is rotatably mounted between the two third mounting plates and is located on a side close to the examination bed; Wherein, the photoelectric sensor is installed on the second paper guide shaft.

5. The bed sheet laying device for an examination bed according to claim 4, characterized in that: The first paper guide shaft comprises: A paper guide rod, installed between the two third mounting plates; Rotating member, both ends of the paper guide rod close to the third mounting plate are provided with the rotating member, and a solid lubricant is provided at the connection between the rotating member and the paper guide rod; The winding drum is arranged between the two rotating parts.

6. The bed sheet laying device for an examination bed according to claim 5, characterized in that: The second paper guide shaft has the same structure as the first paper guide shaft, and the photoelectric sensor is mounted on one of the rotating parts of the second paper guide shaft.

7. The bed sheet laying device for an examination bed according to claim 4, characterized in that: The correction component further comprises: A limiter is installed on the bed frame of the examination bed, and a slide groove matching with the limiter is provided on the third mounting plate; When the screw motor drives the third mounting plate to slide, the third mounting plate slides on the limiting member.

8. The bed sheet laying device for an examination bed according to claim 2, characterized in that: The first positioning member is provided with a mounting opening, and the unwinding roller is placed in the mounting opening.

9. The bed sheet laying device for an examination bed according to claim 1, characterized in that: It also includes a controller, which is electrically connected to the photoelectric sensor, the winding component and the deviation correction component.

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