Magnetic snap combination, restraint device and auxiliary mechanism thereof

Abstract

This application discloses a magnetic buckle assembly, a restraint device, and its auxiliary mechanisms, belonging to the field of medical devices. The magnetic buckle pin includes an integrally formed pin base, a base protrusion, and a pin. The pin base and base protrusion form a stepped structure. A strong magnet is disposed within the pin, and an annular groove forming a pin slot is provided at the axial position of the pin. The magnetic buckle sleeve includes a hollow structure formed by a magnetic buckle shell. A magnetic buckle base plate is integrally formed at the bottom end of the magnetic buckle shell, and a pressure cylinder is disposed inside the top opening of the magnetic buckle shell, sliding in contact with the magnetic buckle shell. A limiting slider is slidably disposed on the magnetic buckle base plate, and the limiting slider engages with the pin slot under the attraction of the strong magnet. The pressure cylinder causes the limiting slider to disengage from the pin slot. This application can effectively restrain rehabilitation personnel, improve the adaptability and flexibility of the restraint device, and ensure the quality and stability of the restraint.

Description

Technical Field

[0001] This application belongs to the field of medical devices, and more specifically, relates to a magnetic snap fastener assembly, a restraint device and its auxiliary mechanism. Background Technology

[0002] Restraint straps are devices used to protect patients, fixing one or more parts of their body to restrict their movement. They are tools for applying protective restraint to patients. In the article "Analysis of the Application Effect of Magnetic Buckle Restraint Straps in Protective Restraint in Psychiatry" (Contemporary Nurse, February 2018, Vol. 25, No. 6, late February), it is recorded that some scholars have improved restraint straps to prevent patients from untying themselves or others from untying them. This involves drilling holes in the restraint strap and fixing it with rivets. During restraint, the tightness is adjusted through the small holes. After aligning the three holes, a small lock is inserted through the three holes to lock it. This restraint strap is difficult for family members or patients to remove without consent. However, aligning the three holes and locking it takes a long time. Furthermore, when restraining multiple limbs or multiple patients, the use of multiple locks and keys can easily lead to confusion. Therefore, magnetic buckle restraint straps were introduced. By comparing the safety and effectiveness of magnetic buckle restraint straps and cloth bag restraint straps in restraining patients with mental illnesses, a more efficient, practical and safe restraint strap was provided for restraining patients in psychiatric wards, thus providing a basis for psychiatric hospitals to update restraint equipment.

[0003] Meanwhile, the following structure of restraint belt is also disclosed in the prior art. See Chinese Patent Publication No. CN205795882U, which discloses a medical restraint belt and specifically discloses the following technical solution: it includes a restraint belt body, which includes two restraint segments and a tension segment located between the two restraint segments; it also includes two buckles, each buckle including a first buckle body and a second buckle body that can be fastened and separated, wherein the first buckle body and the second buckle body of one buckle are respectively disposed at both ends of one of the restraint segments, and the first buckle body and the second buckle body of the other buckle are respectively disposed at both ends of the other restraint segment.

[0004] Meanwhile, in the existing technical solutions, see Chinese Patent Publication No. CN113057787A, which discloses a medical restraint belt and its usage method, including a storage box. The storage box has a storage mechanism inside, and a snap-fit ​​mechanism is provided on the side of the storage box near the bottom. The storage mechanism includes a belt-receiving roller rotatably connected to the inner wall of the storage box via a bearing. The inner wall of the belt-receiving roller is filled with dry particles, and a worm gear is keyed to the outer wall of one end of the belt-receiving roller. One end of the belt-receiving roller is threaded to an end cap, and the end cap has a first opening with equally spaced openings. The outer wall of the belt-receiving roller is fixedly installed with equally spaced convex arc plates, and the outer circumference of the belt-receiving roller has a second opening that is staggered with the convex arc plates.

[0005] In the aforementioned prior art, the applicant believes that for medical restraint straps, the primary requirements are stable connection and rapid release. Therefore, improvements are needed to the connection structure to ensure both connection stability and release speed. Simultaneously, the restraint straps used in conjunction with the restraint straps also have room for improvement, ensuring both their own strength and enhanced compatibility with auxiliary mechanisms to facilitate stable connection and release. Summary of the Invention

[0006] The purpose of this application is to provide a magnetic snap fastener assembly, a restraint device, and an auxiliary mechanism thereof, which can achieve stable connection and rapid separation of the magnetic snap fastener assembly, and when used in conjunction with the restraint device, can effectively restrain and quickly release the person undergoing rehabilitation. During treatment, it can also be used in conjunction with the auxiliary mechanism to improve the quality and stability of restraint.

[0007] To achieve the above objectives, this application employs the following technical solution: The magnetic snap fastener assembly described in this application includes a magnetic snap pin and a magnetic snap sleeve. The magnetic snap pin is inserted into the magnetic snap sleeve. The magnetic snap pin includes an integrally formed pin base, a base protrusion, and a pin. The pin base and the base protrusion form a stepped structure. A strong magnet is disposed inside the pin. The pin has a pin slot formed by an annular groove at its axial position. The magnetic snap sleeve includes a hollow structure formed by a magnetic snap shell. A magnetic snap base plate is integrally formed at the bottom end of the magnetic snap shell. A pressure cylinder is disposed inside the top opening of the magnetic snap shell. The pressure cylinder slides against the magnetic snap shell. A limiting slider is slidably disposed on the magnetic snap base plate. The limiting slider engages with the pin slot under the attraction of the strong magnet. The pressure cylinder drives the limiting slider to disengage from the pin slot.

[0008] In this application, the magnetic buckle base plate is provided with a plurality of base plate supports, and the limiting slider is located between the paired base plate supports; the top of the limiting slider is integrally provided with a slider driving rod, which is slidably disposed in the arc-shaped hole of the rotating plate, the arc-shaped hole of the rotating plate is located on the adjusting rotating plate, and the adjusting rotating plate is connected to the pressure cylinder.

[0009] In this application, the bottom end of the pressure cylinder is provided with a pressure cylinder adjustment groove, which is correspondingly provided with the base plate support and slides in cooperation with the base plate support.

[0010] In this application, the bottom end of the pressure cylinder is provided with a spiral pressure cylinder guide groove along the inner wall of the pressure cylinder. A rotating plate outer rod is slidably arranged inside the pressure cylinder guide groove, and the rotating plate outer rod is located on the circumferential outer side of the adjusting rotating plate. The pressure cylinder is also provided with a pressure cylinder inner rod, which is inserted into the top end of the magnetic sleeve inner cylinder. The bottom surface of the pressure cylinder inner rod has an elastic block. The magnetic sleeve inner cylinder accommodates an inserted pin, and the bottom end of the magnetic sleeve inner cylinder is fixedly arranged at the top end of the base plate support. A pressure cylinder return spring is provided between the top end of the magnetic sleeve inner cylinder and the top surface of the pressure cylinder. The adjusting rotating plate rotates around the magnetic sleeve inner cylinder, and an inner cylinder outer limiting plate is provided on the magnetic sleeve inner cylinder. The inner cylinder outer limiting plate is located above the adjusting rotating plate and slides in contact with the adjusting rotating plate.

[0011] A restraint device using the aforementioned magnetic buckle assembly includes a strip-shaped restraint strap body. Both ends of the restraint strap body are integrally provided with a restraint strap fixing end and a restraint end. A pad is provided on the contact surface of the restraint end where it meets the restraint position. The restraint strap fixing end and the restraint end have a plurality of restraint strap fixing holes along their length. Magnetic buckle pins are inserted into corresponding restraint strap fixing holes at the same end of the restraint strap fixing end and the restraint end. The magnetic buckle pins pass through the restraint strap fixing holes and are engaged and fixed with the magnetic buckle sleeve. A reinforcing rivet of the same shape is fixedly provided within each restraint strap fixing hole.

[0012] In this application, the binding strap body is provided with a plurality of strip-shaped through holes at the position between adjacent binding strap fixing ends, and reinforcing rivets of the same shape are provided in the strip-shaped through holes.

[0013] An auxiliary mechanism that cooperates with the restraint device includes a restraint strap fixing end in the restraint device that is inserted into a connecting rod of the hole body through a restraint strap fixing hole, and a rod end limiting block is provided at the top of the connecting rod of the hole body; the connecting rod of the hole body is distributed around the circumference of the adjusting wheel, the adjusting wheel is rotatably mounted on the connecting plate through a wheel body pivot, and a sliding plate housing is also fixedly mounted on the connecting plate, a limiting plate is inserted into the sliding plate housing, the limiting plate is inserted into a limiting slot, and the limiting slot is located on the circumferential side of the adjusting wheel.

[0014] In this application, a compression spring is provided inside the skateboard shell, and the compression spring is located between the bottom surface of the limiting insert plate and the bottom surface of the skateboard shell; the limiting insert plate slides relative to the skateboard shell through the insert plate slider; the connecting plate is slidably mounted on the fixed plate slide rail through the bottom plate slider, the fixed plate slide rail is fixedly mounted on the support plate, and the support plate and the connecting plate are connected by a fastening threaded rod.

[0015] In this application, the end of the support plate is fixedly provided with a plate fixing end, and the support plate is fixedly connected to the medical bed through the plate fixing end and fasteners; the side of the adjusting wheel is provided with a gripping rod.

[0016] Compared with the prior art, the beneficial effects of this application are: 1. This application redesigns the structure of the magnetic snap pin and the magnetic snap sleeve, avoiding the traditional magnetic structure that relies solely on strong magnetic materials such as neodymium magnets for attraction. Instead, it combines magnetic attraction with mechanical structure, improving the connection stability and reliability of the magnetic snap assembly. Furthermore, it enables mechanical linkage in emergency situations, facilitating quick release.

[0017] 2. This application improves the structure of the restraint device, including the restraint strap, to ensure the structural stability and service life of the restraint device, and to ensure its reliability and stability when used in conjunction with the magnetic buckle assembly.

[0018] 3. This application can also be used in conjunction with an auxiliary mechanism to achieve restraint on the treatment bed, so as to achieve the stability and reliability of restraint during the treatment time. Furthermore, the auxiliary mechanism adopts a quick release scheme, and in emergency situations, the adjusting wheel can be released from the restraint belt through the limit plate.

[0019] 4. The structure in this application is reusable, and the structural improvement has extended its service life. Compared with the traditional restraint strap structure and the original magnetic attraction structure, it can not only improve stability, but also reduce procurement costs. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of Embodiment 1 in this application. Figure 1 .

[0021] Figure 2 This is a schematic diagram of the structure of Embodiment 1 in this application. Figure 2 .

[0022] Figure 3 This is a schematic diagram of the structure of Embodiment 2 in this application. Figure 1 .

[0023] Figure 4 This is a schematic diagram of the structure of Embodiment 2 in this application. Figure 2 .

[0024] Figure 5 This is a schematic diagram of the structure of Embodiment 2 in this application. Figure 3 .

[0025] Figure 6 This is a schematic diagram of the structure of Embodiment 3 in this application. Figure 1 .

[0026] Figure 7 This is a schematic diagram of the structure of Embodiment 3 in this application. Figure 2 .

[0027] In the diagram: 1. Restraint strap body; 2. Pad; 3. Restraint strap fixing end; 4. Restraint strap fixing hole; 5. Magnetic buckle sleeve; 6. Magnetic buckle pin; 7. Restraint end; 8. Reinforcing rivet; 9. Hole connecting rod; 10. Rod end limiting block; 11. Adjusting wheel; 12. Grip rod; 13. Wheel shaft; 14. Connecting plate; 15. Limiting slot; 16. Limiting insert plate; 17. Insert plate slider; 18. Slide plate shell; 19. Fastening threaded rod; 20. Plate slider; 21. Fixing plate slide rail; 22. Plate fixing end; 23. 24. Plate connecting hole; 25. Support plate; 26. Pin base; 27. Base protrusion; 28. Pin; 29. ​​Strong magnet; 30. Magnetic buckle base plate; 31. Magnetic buckle outer shell; 32. Pressure cylinder; 33. Pressure cylinder adjustment groove; 34. Pressure cylinder return spring; 35. Magnetic sleeve inner cylinder; 36. Adjusting rotating plate; 37. Rotating plate arc hole; 38. Base plate support; 39. Slider drive rod; 40. Limiting slider; 41. Pin slot; 42. Rotating plate outer rod; 43. Inner cylinder outer limit plate; 44. Pressure cylinder guide groove; 45. Pressure cylinder inner rod. Detailed Implementation

[0028] The technical solutions described in this application will be further described below with reference to the accompanying drawings and embodiments.

[0029] Example 1: See Figure 1 , Figure 2 The magnetic snap assembly has a magnetic snap pin 6 inserted inside the magnetic snap sleeve 5. The magnetic snap pin 6 includes an integral and coaxially arranged pin base 25, a base protrusion 26, and a pin 27. The pin base 25 forms a stepped structure at the position where it connects with the base protrusion 26. The outer diameter of the pin base 25 is larger than the inner diameter of the base protrusion 26. The circumferential outer wall of the base protrusion 26 has an arc-shaped structure. A strong magnet 28 is provided inside the pin 27. A pin slot 40 is machined on the circumferential outer wall of the pin 27.

[0030] The magnetic buckle sleeve 5 includes a magnetic buckle base plate 29, a magnetic buckle outer shell 30, and a pressure cylinder 31. The magnetic buckle base plate 29, magnetic buckle outer shell 30, and pressure cylinder 31 form a hollow structure that accommodates the internal structure. Several radially distributed base plate supports 37 are fixedly provided on the top surface of the magnetic buckle base plate 29. The space between adjacent base plate supports 37 is used to accommodate and allow the limiting slider 39 to slide. The limiting slider 39 is a fan-shaped block with an arc-shaped end facing the pin 27 and is provided with a strong magnet or a material that can be attracted by a strong magnet. A magnetic sleeve inner cylinder 34 is fixedly provided on the top surface of the base plate support 37. The magnetic sleeve inner cylinder 34 is a hollow cylindrical structure with an open bottom and a sealed top. The magnetic sleeve inner cylinder 34 is coaxially arranged with the magnetic buckle base plate 29, magnetic buckle outer shell 30, and pressure cylinder 31. Except for the outer wall of the pin 27 where the pin slot 40 is provided, it slides in contact with the magnetic sleeve inner cylinder 34. An adjusting plate 35 is rotatably mounted on the inner cylinder 34 of the magnetic sleeve. The bottom surface of the adjusting plate 35 slides against the top surface of the base plate support 37. The top surface of the base plate support 37 is machined with an arc-shaped through hole forming an arc-shaped hole 36 for the rotating plate. A slider drive rod 38 is slidably mounted inside the arc-shaped hole 36 and is fixedly mounted on the limiting slider 39. An outer rotating plate rod 41 is also fixedly mounted on the circumferential outer wall of the adjusting plate 35. One side of the outer rotating plate rod 41 is a pressure cylinder adjusting groove 32, which is slidably connected to the base plate support 37 and can be guided by the base plate support 37. The outer wall of the pressure cylinder 31 slides against the inner wall of the magnetic buckle housing 30. A pressure cylinder return spring 33 is provided between the top surface of the pressure cylinder 31 and the top surface of the magnetic sleeve inner cylinder 34. A pressure cylinder inner rod 44 is integrally provided on the bottom surface of the pressure cylinder 31. The pressure cylinder inner rod 44 is inserted into the corresponding through hole of the magnetic sleeve inner cylinder 34 and slides relative to the magnetic sleeve inner cylinder 34. The pressure cylinder return spring 33 is sleeved on the pressure cylinder inner rod 44. An elastic block is also provided on the bottom surface of the pressure cylinder inner rod 44. During the process of the pressure cylinder inner rod 44 contacting the top surface of the pin 27, the elastic block can cooperate with the pressure cylinder inner rod 44 to realize the withdrawal of the pin 27 from the magnetic sleeve inner cylinder 34. An inner cylinder outer limit plate 42 is also fixedly provided on the outer wall of the magnetic sleeve inner cylinder 34 above the adjusting plate 35. The pressure cylinder return spring 33 is a compression spring.

[0031] In this embodiment, the base protrusion 26 can be located in the connection hole to avoid large shaking of the connection hole and the pin 27 after connection, and to achieve a stable connection between the pin 27 and the pin base 25.

[0032] In this embodiment, the insert 27 has a strong magnet 28 inside. The strong magnet 28 has a cylindrical structure, and the insert 27 can attract the limiting slider 39 through the strong magnet 28. A pin slot 40, formed by an annular groove, is provided around the circumference of the insert 27. The limiting slider 39 attracted by the strong magnet 28 can be inserted into the pin slot 40, thus limiting the insertion and disengagement of the insert 27. The strong magnet 28 is a neodymium magnet or other similar magnetic material capable of attraction. The insert 27 and the magnetic buckle 5 are made of stainless steel.

[0033] In this embodiment, the magnetic buckle housing 30 is an annular cylindrical structure with openings at both ends. A magnetic buckle base plate 29 is fixedly provided at the bottom end of the magnetic buckle housing 30, and a through hole for inserting the pin 27 is provided at the central axis position of the magnetic buckle base plate 29.

[0034] In the technical solution described in this embodiment, the pressure cylinder 31 is disposed inside the top opening of the magnetic buckle housing 30. The edge of the top opening of the magnetic buckle housing 30 is bent inward to form a limiting structure for the pressure cylinder 31. The pressure cylinder 31 has an annular groove at this position to cooperate with it.

[0035] In the technical solution described in this embodiment, the pressure cylinder 31 is a hollow cylindrical structure with a sealed top and an open bottom. A pressure cylinder adjustment groove 32 is provided at the bottom surface of the pressure cylinder 31, which allows the pressure cylinder 31 to slide along the corresponding bottom support 37, thereby preventing the pressure cylinder 31 from rotating circumferentially. A pressure cylinder guide groove 43 is also provided at the bottom edge of the pressure cylinder 31. The pressure cylinder guide groove 43 is an upwardly extending spiral notch or spiral through hole. The rotating plate outer rod 41 is located in the pressure cylinder guide groove 43 and slides along the pressure cylinder guide groove 43 under the drive of the pressure cylinder guide groove 43. The circumferential outer wall of the pressure cylinder 31 slides in contact with the inner wall of the magnetic buckle outer shell 30.

[0036] In the technical solution described in this embodiment, the pressure cylinder reset spring 33 is located between the pressure cylinder 31 and the magnetic sleeve inner cylinder 34, and is used to realize the reset of the pressure cylinder 31.

[0037] In the technical solution described in this embodiment, the magnetic sleeve inner cylinder 34 is a hollow cylindrical structure with an open bottom and a sealed top, and is coaxially arranged with the magnetic buckle outer shell 30 and the pressure cylinder 31. The bottom opening of the magnetic sleeve inner cylinder 34 is fixedly disposed on the top surface of the base plate support 37, and after the pin 27 is inserted, it can slide against the pin 27 through the inner wall.

[0038] In the technical solution described in this embodiment, the magnetic sleeve inner cylinder 34 is further provided with an inner cylinder outer limiting plate 42 on its axial outer wall. The inner cylinder outer limiting plate 42 and the bottom plate support 37 form a space for the stable rotation of the adjusting plate 35, and help to limit the movement of the adjusting plate 35.

[0039] In the technical solution described in this embodiment, the adjusting plate 35 is rotatably mounted on the inner cylinder 34 of the magnetic sleeve. The bottom end of the adjusting plate 35 contacts the bottom plate support 37 and rotates relative to the bottom plate support 37 around the central axis. The top end face of the adjusting plate 35 is machined with an arc-shaped hole 36 corresponding to the number of limiting sliders 39.

[0040] In the technical solution described in this embodiment, the base plate support 37 is located on and fixedly connected to the magnetic snap base plate 29. Adjacent base plate supports 37 on the magnetic snap base plate 29 form a fan-shaped area for accommodating the limiting slider 39.

[0041] In the technical solution described in this embodiment, the slider drive rod 38 is located above the limiting slider 39 and is fixedly connected to the limiting slider 39. The top end of the slider drive rod 38 extends into the corresponding rotating plate arc hole 36, and when the rotating plate arc hole 36 rotates, it slides in contact with the rotating plate arc hole 36 and drives the lower limiting slider 39 to move.

[0042] In the technical solution described in this embodiment, the limiting slider 39 has an arc-shaped end face facing the pin 27, meaning that after it is inserted into the pin slot 40, it can fit against the annular surface of the pin slot 40, providing a large contact and adsorption area. The limiting slider 39 is made of a strong magnetic material or a material that can be attracted by a strong magnetic material on its contact surface with the pin 27, ensuring stable sliding of the limiting slider 39 into the pin slot 40.

[0043] In the technical solution described in this embodiment, the pin slot 40 is located on the circumferential side of the pin 27 and is an annular groove, which satisfies the insertion and limiting of the limiting slider 39. The top and bottom surfaces of the pin slot 40 should have a margin of movement between them and the corresponding limiting slider 39 after insertion to the limit position, to ensure the stable insertion of the limiting slider 39.

[0044] In the technical solution described in this embodiment, the outer rod 41 of the rotating plate is disposed on the outer side of the adjusting rotating plate 35 and is fixedly disposed with the adjusting rotating plate 35. The number of outer rods 41 can correspond to or be less than the number of limiting sliders 39. Its function is that the outer rods 41 can cooperate with the pressure cylinder guide groove 43 on one side, and rotate with the pressure cylinder 31, thereby driving the adjusting rotating plate 35 to rotate.

[0045] In the technical solution described in this embodiment, the inner cylinder outer limiting plate 42 is used to limit the adjustment plate 35, and the inner cylinder outer limiting plate 42 is fixedly installed on the magnetic sleeve inner cylinder 34.

[0046] In the technical solution described in this embodiment, the pressure cylinder guide groove 43 is located at the position of the outer rod 41 of the rotating plate and is fixedly connected to the pressure cylinder 31. The pressure cylinder guide groove 43 is located at the bottom inner wall of the pressure cylinder 31.

[0047] In the technical solution described in this embodiment, the inner rod 44 of the pressure cylinder is located at the bottom of the top of the pressure cylinder 31 and extends into the top through hole of the magnetic sleeve inner cylinder 34, and can be slidably disposed with the magnetic sleeve inner cylinder 34. In the initial state, the bottom end of the inner rod 44 and its elastic block do not contact the top end of the pin 27.

[0048] In this embodiment, the magnetic buckle sleeve 5 and magnetic buckle pin 6 are used as follows: First, the pin 27 needs to be passed through the binding strap fixing hole 4. The base protrusion 26 is located inside the binding strap fixing hole 4, and the pin base 25 is located at the bottom of the binding strap fixing hole 4. After the pin 27 passes through the corresponding binding strap fixing hole 4, it is inserted into the magnetic buckle sleeve 5. The pin 27 is inserted into the magnetic sleeve inner cylinder 34 through the through hole at the bottom end of the magnetic buckle base plate 29. Since the outer wall of the pin 27 is in contact with the inner wall of the magnetic sleeve inner cylinder 34, the limiting slider 39 will not obstruct the insertion of the pin 27 during the insertion process. Until the pin slot 40 moves to the position corresponding to the limiting slider 39, the limiting slider 39 is attracted by the strong magnet 28. Under the action of the strong magnetic attraction, the limiting slider 39 will move into the pin slot 40 and be in contact with the inner wall of the pin slot 40. At this time, the movement of the limit slider 39 will drive the rotating plate arc hole 36 to rotate through the slider drive rod 38, and the rotating plate arc hole 36 will drive the adjusting rotating plate 35 to rotate. At this time, the rotation of the adjusting rotating plate 35 is unimpeded in the axial direction.

[0049] When the magnetic snap sleeve 5 and magnetic snap pin 6 need to be disengaged, simply press down on the pressure cylinder 31. During its downward movement, the pressure cylinder 31 is guided by the inner rod 44 and the adjustment groove 32. The pressure cylinder 31, through the circumferentially distributed pressure cylinder guide groove 43 at its bottom, drives the outer rod 41 of the rotating plate. The rotation of the outer rod 41 drives the adjustment rotating plate 35, which is fixedly connected to it, to rotate. The rotation of the adjustment rotating plate 35, through the arc-shaped hole 36, drives the slider drive rod 38 to move. The movement of the slider drive rod 38 causes the limiting slider 39 to move away from the pin slot 40, thus disengaging the limiting slider 39 from the pin slot 40. Simultaneously, the tool pushes the pressure cylinder 31 down, causing the inner rod 44 inside the pressure cylinder 31 to enter the inner cylinder 34 of the magnetic sleeve and contact the tip of the pin 27, pushing the tip of the pin 27 downward until the pin slot 40 of the pin 27 disengages from the limiting slider 39.

[0050] Example 2: See Figures 3 to 5A restraint device includes a strip-shaped restraint strap body 1. Both ends of the restraint strap body 1 are integrally provided with restraint strap fixing ends 3 and restraint ends 7. A pad 2 is provided on the contact surface of the restraint ends 7 where they meet the restraint position. The restraint strap fixing ends 3 and 7 have a plurality of restraint strap fixing holes 4 along their length. Magnetic buckle pins 6 are inserted into the corresponding restraint strap fixing holes 4 at the same end of the restraint strap fixing ends 3 and 7. The magnetic buckle pins 6 pass through the restraint strap fixing holes 4 and are engaged with magnetic buckle sleeves 5 for fixation. Reinforcing rivets 8 of the same shape are fixedly provided within the restraint strap fixing holes 4. The restraint strap body 1 has a plurality of strip-shaped through holes between adjacent restraint strap fixing ends 3, and reinforcing rivets 8 of the same shape are provided within the strip-shaped through holes.

[0051] In this embodiment, the restraint strap body 1 is a strip structure, and together with the restraint strap fixing end 3 and the restraint end 7 at both ends, it forms an integral structure. The restraint end 7 can be wrapped around the corresponding wrist or ankle position. The restraint strap fixing end 3 is mainly used to cooperate with the restraint end 7 to achieve temporary fixation of the restraint end 7.

[0052] In this embodiment, the binding end 7 is provided with a pad 2 on the contact surface with the binding position. The pad 2 is mainly used to increase the comfort of the bound position.

[0053] In this embodiment, the binding strap fixing holes 4 are distributed along the length of the binding strap fixing end 3 and the binding end 7, with the purpose of connecting the binding strap fixing end 3 and the binding end 7.

[0054] In this embodiment, the magnetic snap pin 6 can be inserted into the binding strap fixing hole 4 of the binding strap fixing end 3 and the binding end 7 to achieve the connection of the binding strap fixing end 3 and the binding end 7.

[0055] In this embodiment, the magnetic snap sleeve 5 allows the magnetic snap pin 6 to be inserted and limits the position of the magnetic snap pin 6.

[0056] In this embodiment, a reinforcing rivet 8 is provided in the binding strap fixing hole 4, which can strengthen the binding strap fixing hole 4 and also improve the overall friction of the binding strap through the cooperation of the binding strap fixing hole 4 and the reinforcing rivet 8.

[0057] In this embodiment, the binding strap body 1 has several strip-shaped through holes and reinforced rivets 8, which increase the friction between the binding strap body 1 and the clothing at the contact point, thus improving the binding quality. The reinforced rivets 8 ensure the strength of the binding strap body 1 itself.

[0058] Example 3: In Figures 6 to 7Based on Embodiments 1 and 2, an auxiliary mechanism for cooperating with a restraint device is provided. Furthermore, based on Embodiments 1 to 3, the restraint strap fixing end 3 is inserted into the connecting rod 9 of the hole body through the restraint strap fixing hole 4. A rod end limiting block 10 is provided at the top of the connecting rod 9. The connecting rods 9 are distributed around the circumference of the adjusting wheel 11. The adjusting wheel 11 is rotatably mounted on the connecting plate 14 via the wheel body pivot 13. A sliding plate housing 18 is also fixedly mounted on the connecting plate 14. A limiting insert plate 16 is inserted into the sliding plate housing 18, and the limiting insert plate 16 is engaged with a limiting slot 15 located on the circumferential side of the adjusting wheel 11. The slide plate housing 18 is equipped with a compression spring located between the bottom surface of the limiting plate 16 and the bottom surface of the slide plate housing 18. The limiting plate 16 slides relative to the slide plate housing 18 via the plate slider 17. The connecting plate 14 is slidably mounted on the fixed plate slide rail 21 via the bottom plate slider 20. The fixed plate slide rail 21 is fixedly mounted on the support plate 24. The support plate 24 and the connecting plate 14 are connected by a fastening threaded rod 19. The end of the support plate 24 is fixedly equipped with a plate fixing end 22. The support plate 24 is fixedly connected to the medical bed via the plate fixing end 22 and fasteners. The side of the adjusting wheel 11 is equipped with a gripping rod 12.

[0059] In the technical solution described in this embodiment, the bottom end of the hole connecting rod 9 is fixedly mounted on the adjusting wheel 11, and the top end of the hole connecting rod 9 is fixedly mounted on the rod end limiting block 10. The hole connecting rod 9 is located in the circumferential groove of the adjusting wheel 11.

[0060] In the technical solution described in this embodiment, the adjusting wheel 11 is a circular plate, and a groove is provided on the circumferential outer wall of the adjusting wheel 11. Limiting slots 15 are provided on both sides of the groove.

[0061] In the technical solution described in this embodiment, the limiting plate 16 can be inserted into the limiting slot 15, and the position of the adjusting wheel 11 is limited by the insertion and cooperation with the limiting slot 15.

[0062] In the technical solution described in this embodiment, the insert slider 17 is slidably disposed in the sliding hole of the limiting insert 16, and the insert slider 17 and the limiting insert 16 are fixedly disposed.

[0063] In the technical solution described in this embodiment, the slide plate housing 18 is used for the insertion of the limiting insert plate 16, and a spring structure is provided between the limiting insert plate 16 and the slide plate housing 18 to achieve stable support for the limiting insert plate 16.

[0064] In the technical solution described in this embodiment, the skateboard shell 18 is fixedly mounted on the connecting plate 14.

[0065] In the technical solution described in this embodiment, the fastening threaded rod 19 is used to fix the connecting plate 14 and the support plate 24. The fastening threaded rod 19 is used to connect the two structures by fastening the nut. Both the support plate 24 and the connecting plate 14 are provided with several through holes. When the through holes of the two are aligned, the fastening threaded rod 19 is inserted to achieve connection.

[0066] In the technical solution described in this embodiment, the plate slider 20 can cooperate with the fixed plate slide rail 21 to adjust the relative position of the connecting plate 14 and the support plate 24.

[0067] In the technical solution described in this embodiment, the plate fixing end 22 is located at the tail end of the support plate 24, and can be stably connected to the edge of the medical bed through through holes and fastening bolts.

[0068] In the technical solution described in this embodiment, the adjusting wheel 11 is rotatably connected to the connecting plate 14 via the wheel body pivot 13. A gripping rod 12 is fixedly provided on the side of the adjusting wheel 11, and the operator drives the adjusting wheel 11 to rotate by gripping the gripping rod 12.

[0069] Finally, although this specification describes the embodiments, those skilled in the art can appropriately combine the technical solutions in the above embodiments under the conditions of the prior art they possess to form other embodiments that can be understood by those skilled in the art.

Claims

1. A magnetic snap fastener assembly, comprising a magnetic snap pin (6) and a magnetic snap sleeve (5), wherein the magnetic snap pin (6) is inserted into the magnetic snap sleeve (5), characterized in that: The magnetic snap pin (6) includes an integrally formed pin base (25), a base protrusion (26), and a pin (27). The pin base (25) and the base protrusion (26) form a stepped structure. A strong magnet (28) is provided inside the pin (27). The pin (27) has a pin slot (40) formed by an annular groove at its axial position. The magnetic snap sleeve (5) includes a hollow structure formed by a magnetic snap shell (30). A magnetic buckle base plate (29) is integrally provided at the bottom of the magnetic buckle shell (30). A pressure cylinder (31) is provided inside the top opening of the magnetic buckle shell (30). The pressure cylinder (31) slides in contact with the magnetic buckle shell (30). A limit slider (39) is slidably provided on the magnetic buckle base plate (29). The limit slider (39) is inserted into the pin slot (40) under the attraction of a strong magnet (28). The pressure cylinder (31) drives the limit slider (39) to disengage from the pin slot (40).

2. The magnetic clasp assembly according to claim 1, characterized in that: The magnetic buckle base plate (29) is provided with several base plate supports (37), and the limiting slider (39) is located between the paired base plate supports (37); the top of the limiting slider (39) is integrally provided with a slider driving rod (38), which is slidably disposed in the rotating plate arc hole (36). The rotating plate arc hole (36) is located on the adjusting rotating plate (35), and the adjusting rotating plate (35) is connected to the pressure cylinder (31).

3. The magnetic clasp assembly according to claim 2, characterized in that: The bottom end of the pressure cylinder (31) is provided with a pressure cylinder adjustment groove (32), which is correspondingly provided with the base plate support (37) and slides in cooperation with the base plate support (37).

4. The magnetic clasp assembly according to claim 3, characterized in that: The bottom end of the pressure cylinder (31) is provided with a spiral pressure cylinder guide groove (43) arranged along the inner wall of the pressure cylinder (31). A rotating plate outer rod (41) is slidably arranged inside the pressure cylinder guide groove (43). The rotating plate outer rod (41) is located on the circumferential outer side of the adjusting rotating plate (35). The pressure cylinder (31) is also provided with a pressure cylinder inner rod (44). The pressure cylinder inner rod (44) is inserted into the top end of the magnetic sleeve inner cylinder (34). The bottom surface of the pressure cylinder inner rod (44) has an elastic block. The magnetic sleeve inner cylinder (34) The inner cavity of the magnetic sleeve (34) accommodates the inserted pin (27). The bottom end of the magnetic sleeve inner cylinder (34) is fixedly set on the top end of the base plate support (37). A pressure cylinder reset spring (33) is provided between the top end of the magnetic sleeve inner cylinder (34) and the top surface of the pressure cylinder (31). The adjusting plate (35) rotates around the magnetic sleeve inner cylinder (34). An inner cylinder outer limit plate (42) is provided on the magnetic sleeve inner cylinder (34). The inner cylinder outer limit plate (42) is located above the adjusting plate (35) and slides in contact with the adjusting plate (35).

5. A restraint device using the magnetic clasp assembly according to any one of claims 1 to 4, characterized in that: The restraint device includes a strip-shaped restraint strap body (1). Both ends of the restraint strap body (1) are integrally provided with a restraint strap fixing end (3) and a restraint end (7). A pad (2) is provided on the contact surface between the restraint end (7) and the restraint position. The restraint strap fixing end (3) and the restraint end (7) are provided with a plurality of restraint strap fixing holes (4) in the length direction. Magnetic buckle pins (6) are inserted into the corresponding restraint strap fixing holes (4) at the same end of the restraint strap fixing end (3) and the restraint end (7). The magnetic buckle pins (6) pass through the restraint strap fixing holes (4) and are snapped and fixed with magnetic buckle sleeves (5). Reinforcing rivets (8) of the same shape are fixedly provided in the restraint strap fixing holes (4).

6. The restraint device according to claim 5, characterized in that: The binding strap body (1) has several strip-shaped through holes at the position between adjacent binding strap fixing ends (3), and reinforcing rivets (8) of the same shape are provided in the strip-shaped through holes.

7. An auxiliary mechanism for cooperating with the restraint device according to any one of claims 5 to 6, characterized in that: The restraint strap fixing end (3) in the restraint device is inserted into the hole body connecting rod (9) through the restraint strap fixing hole (4). The top end of the hole body connecting rod (9) is provided with a rod end limiting block (10). The hole body connecting rod (9) is distributed around the circumference of the adjusting wheel (11). The adjusting wheel (11) is rotatably mounted on the connecting plate (14) through the wheel body rotating shaft (13). The connecting plate (14) is also fixedly mounted with a sliding plate housing (18). A limiting insert plate (16) is inserted into the sliding plate housing (18). The limiting insert plate (16) is inserted into the limiting slot (15). The limiting slot (15) is located on the circumferential side of the adjusting wheel (11).

8. The auxiliary mechanism according to claim 7, characterized in that: A compression spring is provided inside the skateboard shell (18), and the compression spring is located between the bottom surface of the limiting insert plate (16) and the bottom surface of the skateboard shell (18); the limiting insert plate (16) slides relative to the skateboard shell (18) through the insert plate slider (17); the connecting plate (14) is slidably mounted on the fixed plate slide rail (21) through the bottom plate slider (20), the fixed plate slide rail (21) is fixedly mounted on the support plate (24), and the support plate (24) and the connecting plate (14) are connected by a fastening threaded rod (19).

9. The auxiliary mechanism according to claim 8, characterized in that: The end of the support plate (24) is fixedly provided with a plate fixing end (22), and the support plate (24) is fixedly connected to the medical bed through the plate fixing end (22) and fasteners; the side of the adjusting wheel (11) is provided with a gripping rod (12).

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