Anti-catching device
By introducing a take-up roller, spiral spring, and limiting structure into the anti-scratch device, the problems of shoulder straps failing to automatically reset and Velcro coming loose are solved, enabling automatic take-up and quick fixing of the shoulder straps, thus improving work efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2026-04-14
AI Technical Summary
The shoulder straps of existing anti-scratch devices cannot automatically reset after use, and the Velcro tends to loosen after prolonged use, increasing the risk of doctors being scratched by patients and affecting work efficiency and safety.
The design incorporates a take-up roller, a spiral spring, and a rectangular plate. Pulling the pull plate automatically resets the take-up roller. Combined with the limiting structure of the arc-shaped plate and arc-shaped chuck, it achieves automatic take-up and quick fixation of the shoulder strap, while using sponge to protect the patient's skin.
It enables automatic repositioning and quick fixation of the shoulder strap, saving doctors' operation time, improving work efficiency, reducing the risk of doctors being scratched, and protecting patients' skin.
Smart Images

Figure CN224112853U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical equipment technical field especially, relate to a prevent device. BACKGROUND
[0002] Psychosis mainly refers to severe mental disorders, and the psychological activities such as the recognition, emotion, will, action behavior of patient can appear persistent obvious anomaly, in order to better provide the place of treatment and activity for the patient with mental illness, need to send the patient with mental illness into the special mental hospital and treat and take care, and the medical staff of psychiatry restrains the patient with psychosis, because patient has the rejection emotion, and the medical staff is scratched by patient, in order to prevent the occurrence of this kind of event, the patient is generally equipped with the special glove in the mental hospital, so that the medical staff is not scratched when the patient is restrained.
[0003] There are many kinds of anti-grabbing devices for psychiatrists in the prior art, through retrieval, the patent with Chinese patent authorization number CN218458233 U discloses an anti-grabbing device for psychiatrists, which comprises a seat, a rolling bin is fixedly installed on the upper end of the back of the seat, a rolling rod is movably sleeved in the rolling bin, an adjusting knob is fixedly installed on the right side of the rolling rod, shoulder straps are movably sleeved on the left and right ends of the rolling rod, and a movable pin is movably sleeved on the left end in the rolling bin. The shoulder strap limiting mode and the magic tape limiting of the above-mentioned patent have the following disadvantages: after the use of the shoulder strap is completed, the doctor still needs to manually rotate to tighten and reset the shoulder strap, automatic resetting after use cannot be realized, if there are many patients, the doctor's physical strength will be wasted, and the working efficiency is affected. The magic tape is used for a long time, and there may be fluff on the clothes of the patient and dust in the air, so that the magic tape cannot work well after a long time, and is prone to looseness during detection, which is easy to scratch the doctor, cannot effectively protect the safety of the doctor, and increases the working difficulty of the doctor. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the problems of automatic resetting after the use of the shoulder strap is completed and the loosening and fluffing of the magic tape after a long time in the prior art, and provides an anti-grabbing device.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] An anti-grabbing device, comprising a seat and a shoulder strap arranged at the back of the seat, further comprising:
[0007] A rolling roller is rotatably connected in the seat, a circular groove is formed in the seat, an installation groove is formed in the inner wall of the circular groove of the seat, and the shoulder strap is wound on the surface of the rolling roller;
[0008] A volute spring is fixedly connected in the installation groove of the seat.
[0009] A rectangular plate is slidably connected in the winding roller, and a sliding groove is formed in the surface of the winding roller, and the rectangular plate is slidably connected with the sliding groove of the winding roller.
[0010] A pulling plate is fixedly connected to the surface of the rectangular plate.
[0011] A spring one is sleeved on the rectangular plate.
[0012] Preferably, one end of the volute spring is fixedly connected with the inner wall of the mounting groove in the circular groove of the seat, and the other end of the volute spring is fixedly connected with the winding roller.
[0013] Preferably, one end of the spring one is fixedly connected with the rectangular plate, and the other end of the spring one is fixedly connected with the inner wall of the circular groove of the seat.
[0014] Preferably, the surface of the seat is fixedly connected with two handles, the surface of the handle is fixedly connected with two baffles, and the surface of the baffle is hingedly connected with an arc-shaped plate.
[0015] Preferably, one end of the arc-shaped plate is fixedly connected with a circular rod, the bottom of the circular rod is fixedly connected with a first trapezoidal block, the surface of the circular rod penetrates through a second trapezoidal block and is slidably connected with the circular rod, the surface of the circular rod is sleeved with a spring two, one end of the spring two is fixedly connected with the arc-shaped plate, and the other end of the spring two is fixedly connected with the second trapezoidal block.
[0016] Preferably, the surface of the baffle is provided with a groove, a circular hole is formed in the inner wall of the groove of the baffle, a guide rod is fixedly connected in the circular hole of the groove of the baffle, and one end of the guide rod away from the inner wall of the circular hole of the groove of the baffle is slidably connected with a moving rod.
[0017] Preferably, the surface of the moving rod is provided with a groove matched with the guide rod, the surface of the guide rod is sleeved with a spring three, one end of the spring three is fixedly connected with the inner wall of the circular hole of the groove of the baffle, the other end of the spring three is fixedly connected with the moving rod, and one end of the moving rod away from the guide rod is fixedly connected with an arc-shaped clamping knife.
[0018] Preferably, the bottom of the arc-shaped plate is fixedly connected with a sponge, the baffle is provided with four groups, the arc-shaped plate is provided with four groups, and the arc-shaped plate is symmetrically arranged with the center line of the seat as the axis of symmetry.
[0019] Compared with the prior art, the anti-grabbing device has the following beneficial effects:
[0020] 1. The anti-grabbing device, by pulling the pull plate outward, the rectangular plate is separated from the winding roller, the winding roller can be rotated, then the shoulder strap is pulled, at the same time, the shoulder strap can be automatically wound with the winding roller cooperating with the volute spring, which helps to save time and improve the work efficiency of the doctor in examining the patient.
[0021] 2. The anti-grabbing device, the first trapezoidal block is limited by the arc-shaped plate and the arc-shaped clamping knife, which is convenient and fast to fix the hands and legs of the patient, and the first trapezoidal block and the arc-shaped blocking knife are released from the limiting by pressing the arc-shaped plate downward again, which is convenient and fast to release.
[0022] 3. The anti-grabbing device, the sponge can play a protective role when fixing the patient. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 The overall structure schematic view of the anti-grabbing device is provided.
[0024] Figure 2 The anti-grabbing device is provided. Figure 1 The structure schematic view of part A of the anti-grabbing device.
[0025] Figure 3 The structure schematic view of the recess inside the baffle of the anti-grabbing device is provided.
[0026] Figure 4 The anti-grabbing device is provided. Figure 3 The structure schematic view of part B of the anti-grabbing device is provided.
[0027] Figure 5 The structure schematic view of the seat back section of the anti-grabbing device is provided.
[0028] Figure 6 The anti-grabbing device is provided. Figure 5 The structure schematic view of part C of the anti-grabbing device is provided.
[0029] Figure 7 The anti-grabbing device is provided. Figure 5 The structure schematic view of part D of the anti-grabbing device is provided.
[0030] In the figure: 1, seat; 2, shoulder strap; 3, winding roller; 4, volute spring; 5, rectangular plate; 6, pull plate; 7, spring one; 8, handle; 9, baffle; 10, arc-shaped plate; 11, circular rod; 12, first trapezoidal block; 13, second trapezoidal block; 14, spring two; 15, guide rod; 16, moving rod; 17, spring three; 18, arc-shaped clamping knife; 19, sponge. DETAILED DESCRIPTION
[0031] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments.
[0032] In the description of the utility model, it needs to be understood that the orientation or position relation indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like is the orientation or position relation based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.
[0033] Referring to Figures 1-7 A kind of anti scratch device, including seat 1 and the shoulder strap 2 of being arranged at the backrest of seat 1, further include:
[0034] Winding roller 3, rotationally connected in seat 1, circular slot is set up in seat 1, mounting groove is set up on the inner wall of the circular slot of seat 1, and shoulder strap 2 is wound on the surface of winding roller 3;
[0035] Scroll spring 4, fixedly connected in the mounting groove of seat 1, after using shoulder strap 2 is completed, shoulder strap 2 can be automatically reset by scroll spring 4, without doctor with hand rotating winding roller 3 reset;
[0036] Rectangular plate 5, slidingly connected in the winding roller 3, the surface of winding roller 3 is provided with sliding slot, and rectangular plate 5 is slidingly connected with the sliding slot of winding roller 3, and rectangular plate 5 can limit winding roller 3, prevent patient struggling and make shoulder strap 2 loose;
[0037] Pulling plate 6, fixedly connected on the surface of rectangular plate 5, by pulling pulling plate 6 outward, rectangular plate 5 is separated from winding roller 3, can make winding roller 3 rotate, in turn, pull shoulder strap 2, and simultaneously, shoulder strap 2 can be automatically wound by winding roller 3 in cooperation with scroll spring 4;
[0038] Spring one 7, is sleeved on rectangular plate 5, when resetting shoulder strap 2, can reset pulling plate 6 and rectangular plate 5 by spring one 7.
[0039] One end of scroll spring 4 is fixedly connected with the inner wall of mounting groove in the circular slot of seat 1, the other end of scroll spring 4 is fixedly connected with winding roller 3, and scroll spring 4 helps winding roller 3 to automatically rotate and wind shoulder strap 2, saves doctor operating time, improves work efficiency.
[0040] One end of spring 7 is fixedly connected to rectangular plate 5, and the other end of spring 7 is fixedly connected to the inner wall of the circular groove of seat 1. Spring 7 helps rectangular plate 5 and pull plate 6 to reset, helps to fix take-up roller 3, prevents take-up roller 3 from rotating automatically, and plays the role of assisting in limiting take-up roller 3.
[0041] The surface of the seat 1 is fixedly connected to two handles 8, and the surface of the handles 8 is fixedly connected to two baffles 9. The surface of the baffles 9 is hinged with an arc plate 10. The arc plate 10 can fix the patient's hands, shoulders and legs to prevent the patient from struggling and scratching the doctor.
[0042] A circular rod 11 is fixedly connected to one end of the arc plate 10. A first trapezoidal block 12 is fixedly connected to the bottom of the circular rod 11. A second trapezoidal block 13 passes through the surface of the circular rod 11 and is slidably connected to the circular rod 11. A second spring 14 is sleeved on the surface of the circular rod 11. One end of the second spring 14 is fixedly connected to the arc plate 10, and the other end of the second spring 14 is fixedly connected to the second trapezoidal block 13. The second spring 14 can make the second trapezoidal block 13 pop out or reset.
[0043] The surface of the baffle 9 has a groove, and the inner wall of the groove of the baffle 9 has a circular hole. A guide rod 15 is fixedly connected in the circular hole of the groove of the baffle 9. A moving rod 16 is slidably connected to one end of the guide rod 15 away from the inner wall of the circular hole of the groove of the baffle 9. The moving rod 16 can slide in the circular hole of the groove of the baffle 9 through the guide rod 15, which serves to guide the moving rod 16.
[0044] The surface of the movable rod 16 has a groove that matches the guide rod 15. A spring 17 is fitted onto the surface of the guide rod 15. One end of the spring 17 is fixedly connected to the inner wall of the circular hole in the groove of the baffle 9. The other end of the spring 17 is fixedly connected to the movable rod 16. An arc-shaped cutter 18 is fixedly connected to the end of the movable rod 16 away from the guide rod 15. The circular rod 11 is driven into the groove of the baffle 9 by the rotation of the arc plate 10. The circular rod 11 drives the first trapezoidal block 12 to abut against the arc-shaped cutter 18. The arc-shaped cutter 18 compresses the spring 17 through the movable rod 16 and slides past it, limiting the first trapezoidal block 12, thereby limiting the circular rod 11 and fixing the arc plate 10. The operation is simple, the fixing effect is stable, and it is easy to disassemble.
[0045] The bottom of the curved plate 10 is fixedly connected with a sponge 19. There are four sets of baffles 9 and four sets of curved plates 10, all of which are symmetrically arranged with the center line of the seat 1 as the axis of symmetry. The sponge 19 can prevent the patient's skin from being rubbed and help protect the patient. The four sets of curved plates 10 can fix the patient more stably and facilitate the doctor's examination.
[0046] The utility model discloses a convenient and quick fixing and quick releasing effect are reached, and the working efficiency of doctor is helped to improve.
[0047] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, and any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. An anti-scratch device, comprising a seat (1) and a shoulder strap (2) disposed on the back of the seat (1), characterized in that, Also includes: The take-up roller (3) is rotatably connected inside the seat (1). A circular groove is provided inside the seat (1). An installation groove is provided on the inner wall of the circular groove of the seat (1). The shoulder strap (2) is wrapped around the surface of the take-up roller (3). A spiral spring (4) is fixedly connected in the mounting slot of the seat (1); A rectangular plate (5) is slidably connected inside the take-up roller (3). The surface of the take-up roller (3) is provided with a groove, and the rectangular plate (5) is slidably connected to the groove of the take-up roller (3). Pull plate (6), which is fixedly connected to the surface of the rectangular plate (5); Spring 1 (7) is fitted onto the rectangular plate (5).
2. The anti-scratch device according to claim 1, characterized in that, One end of the spiral spring (4) is fixedly connected to the inner wall of the mounting groove in the circular groove of the seat (1), and the other end of the spiral spring (4) is fixedly connected to the winding roller (3).
3. The anti-scratch device according to claim 1, characterized in that, One end of the spring (7) is fixedly connected to the rectangular plate (5), and the other end of the spring (7) is fixedly connected to the inner wall of the circular groove of the seat (1).
4. The anti-scratch device according to claim 1, characterized in that, The seat (1) has two handles (8) fixedly connected to its surface, and two baffles (9) fixedly connected to the surface of the handles (8). An arc plate (10) is hinged to the surface of the baffles (9).
5. The anti-scratch device according to claim 4, characterized in that, A circular rod (11) is fixedly connected to the bottom of one end of the arc plate (10). A first trapezoidal block (12) is fixedly connected to the bottom of the circular rod (11). A second trapezoidal block (13) passes through the surface of the circular rod (11) and is slidably connected to the circular rod (11). A second spring (14) is sleeved on the surface of the circular rod (11). One end of the second spring (14) is fixedly connected to the arc plate (10), and the other end of the second spring (14) is fixedly connected to the second trapezoidal block (13).
6. The anti-scratch device according to claim 4, characterized in that, The surface of the baffle (9) is provided with a groove, and a circular hole is provided on the inner wall of the groove of the baffle (9). A guide rod (15) is fixedly connected in the circular hole of the groove of the baffle (9), and a moving rod (16) is slidably connected to one end of the guide rod (15) away from the inner wall of the circular hole of the groove of the baffle (9).
7. The anti-scratch device according to claim 6, characterized in that, The surface of the moving rod (16) is provided with a groove that matches the guide rod (15). A spring three (17) is sleeved on the surface of the guide rod (15). One end of the spring three (17) is fixedly connected to the inner wall of the circular hole in the groove of the baffle (9). The other end of the spring three (17) is fixedly connected to the moving rod (16). An arc-shaped chuck (18) is fixedly connected to the end of the moving rod (16) away from the guide rod (15).
8. The anti-scratch device according to claim 5, characterized in that, The bottom of the arc-shaped plate (10) is fixedly connected to a sponge (19). There are four sets of baffles (9) and four sets of arc-shaped plates (10), all of which are symmetrically arranged with the center line of the seat (1) as the axis of symmetry.