seat belt

Abstract

The application relates to a safety belt, which comprises a safety belt body, a lock hook assembly, a pressure sensor, a controller and an alarm, the lock hook assembly comprises a hook and a locking piece; the hook is provided with an opening, the locking piece is arranged at the opening and connected with the first end, the locking piece is configured to be capable of moving between a locking position and an unlocking position relative to the hook; when the locking piece is in the locking position, the locking piece abuts against the second end, and the locking piece and the hook jointly form a closed space; when the locking piece is in the unlocking position, the locking piece is away from the second end to open the space; the pressure sensor is arranged on the locking piece or the second end, and the pressure sensor is configured to abut against the locking piece and the second end when the locking piece is in the locking position to detect the abutting force of the locking piece and the second end; the controller is configured to control the opening and closing of the alarm according to the abutting force detected by the pressure sensor and a preset abutting force threshold value, so that the safety of the safety belt can be effectively improved, and the personal safety of a wearer can be ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of safety protection equipment, in particular to a safety belt. BACKGROUND

[0002] In the process of daily high-altitude operation, in order to protect the personal safety of the operation personnel, the high-altitude operation personnel need to wear safety belts and other personal protective equipment to prevent accidents such as falling from high places.

[0003] A safety belt hook is generally provided on the safety belt, which is often used in high-altitude operation sites. The user wears a safety belt, and then hooks the safety belt hook connected with the safety belt on the support such as a wire to prevent falling; however, the hook is prone to loose hooking during use of the safety belt, which cannot be found in time by the user, endangering the life safety of the user. SUMMARY

[0004] Therefore, the present application provides a safety belt to improve the safety of the safety belt, improve the safety of the wearer, and protect the personal safety of the wearer.

[0005] A safety belt comprises:

[0006] A safety belt body, wherein a controller and an alarm are provided on the safety belt body, and the alarm is electrically connected with the controller;

[0007] At least one hook assembly, wherein the hook assembly comprises a hook and a locking piece;

[0008] The hook is connected with the safety belt body, the hook is provided with an opening, and the hook comprises a first end and a second end located on both sides of the opening;

[0009] The locking piece is arranged at the opening and connected with the first end, and the locking piece is configured to move relative to the hook between a locking position and an unlocking position; when the locking piece is in the locking position, the locking piece abuts against the second end, and the locking piece and the hook jointly form a closed space; when the locking piece is in the unlocking position, the locking piece is away from the second end to open the space;

[0010] A pressure sensor is arranged on the locking piece or the second end, and the pressure sensor is configured to abut against the locking piece and the second end when the locking piece is in the locking position to detect the abutting force between the locking piece and the second end; the pressure sensor is electrically connected with the controller;

[0011] The controller is configured to control the opening and closing of the alarm according to the abutting force detected by the pressure sensor and a preset abutting force threshold.

[0012] In one of the embodiments, the safety belt comprises two hook assemblies, both of which are connected with the safety belt body; the pressure sensors are two, and both of the pressure sensors correspond to the two hook assemblies; both of the pressure sensors are electrically connected with the controller; and the controller is configured to control the opening and closing of the alarm according to the abutting force detected by the two pressure sensors and a preset abutting force threshold.

[0013] In one of the embodiments, the locking piece is rotationally connected with the first end; the hook assembly further comprises a first elastic member, which connects the locking piece and the first end; and the first elastic member is configured to apply a force to the locking piece to make the locking piece rotate towards the second end, so that the locking piece has a tendency to abut against the second end from one side of the space.

[0014] In one of the embodiments, the locking piece is rotationally connected with the first end through a first shaft member;

[0015] The first elastic member is a torsion spring, which is sleeved on the first shaft member, and the two ends of the torsion spring abut against the locking piece and the first end, respectively.

[0016] In one of the embodiments, the hook assembly further comprises a connecting piece and a second elastic member; the connecting piece is arranged on the side of the hook away from the locking piece; one end of the connecting piece is rotationally connected with the hook, and the other end of the connecting piece is provided with an arc-shaped sliding groove; the locking piece is connected with the arc-shaped sliding groove through a second shaft member, the second shaft member is slidably arranged in the arc-shaped sliding groove, and the two ends of the second shaft member are rotationally connected with the locking piece; the second elastic member is connected with the connecting piece and the hook, and the second elastic member is configured to apply a force to the connecting piece to make the connecting piece rotate towards the hook, so that the locking piece has a tendency to abut against the second end from one side of the space.

[0017] In one of the embodiments, the connecting piece is rotationally connected with the hook through a third shaft member;

[0018] The second elastic member is a torsion spring, which is sleeved on the third shaft member, and the two ends of the torsion spring abut against the connecting piece and the hook, respectively.

[0019] In one of the embodiments, the second end of the hook is provided with an abutting portion, the side of the abutting portion close to the opening is provided with a first abutting surface; the locking piece is provided with a second abutting surface matched with the first abutting surface; and the pressure sensor is arranged on the first abutting surface or the second abutting surface.

[0020] In one of the embodiments, a state detection module is further included on the safety belt body; the state detection module is configured to detect state information of the safety belt, including a fixed state or a moving state; the controller is configured to control the alarm to be turned on or off according to the abutting force detected by the two pressure sensors and a preset abutting force threshold, and the state information detected by the state detection module.

[0021] In one of the embodiments, the carabiner assembly is used for hanging on a safety rope; the state detection module includes a position sensor and an angle sensor; the position sensor is used for detecting position information of the safety belt body relative to the safety rope, and the angle sensor is used for detecting angle information of the safety belt body relative to the safety rope.

[0022] In one of the embodiments, a positioning module is further included on the safety belt body, and the positioning module is used for positioning position information of the safety belt; the positioning module is electrically connected with the controller; the safety belt further includes a control terminal and a wireless communication module, and the controller is in communication connection with the control terminal through the wireless communication module.

[0023] The safety belt includes a safety belt body, a carabiner assembly, a pressure sensor, an alarm, and a controller. The carabiner assembly includes a hook and a locking piece. The hook is provided with an opening. The hook includes a first end and a second end located on both sides of the opening. The locking piece is arranged at the opening and connected with the first end. The locking piece is configured to move relative to the hook between a locking position and an unlocking position. The pressure sensor is arranged on the second end of the locking piece or the hook. The pressure sensor is configured to abut against the locking piece and the second end when the locking piece is in the locking position, so as to detect an abutting force between the locking piece and the second end. The pressure sensor is electrically connected with the controller. The controller is configured to control the alarm to be turned on or off according to the abutting force detected by the pressure sensor and a preset abutting force threshold. In this way, when a wearer performs an aerial work or a climbing activity, the pressure sensor can detect the abutting force between the locking piece and the second end of the hook. When the pressure sensor detects that the abutting force between the locking piece and the second end of the hook is less than the preset abutting force threshold, the controller controls the alarm to alarm, prompting the wearer to check the cooperation between the locking piece and the hook. When the wearer adjusts the cooperation between the locking piece and the hook, the alarm stops alarming, which indicates that the abutting force between the locking piece and the hook is greater than or equal to the preset abutting force threshold, and the locking piece and the hook are well cooperated. In this way, the abnormal cooperation problem between the hook and the locking piece can be found in time, the safety hazard caused by the abnormal cooperation between the hook and the locking piece can be avoided, the safety of the safety belt can be effectively improved, the safety of the wearer can be improved, and the personal safety of the wearer can be protected. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1Structure diagram of the buckle assembly of the safety belt provided for some embodiments of the present application.

[0025] Figure 2 Structure diagram of the buckle assembly of the safety belt provided for some embodiments of the present application.

[0026] Figure 3 Connection diagram of the pressure sensor, the controller, the alarm, the state detection module, the positioning module, the control terminal and the wireless communication module provided for some embodiments of the present application.

[0027] Explanation of reference signs:

[0028] 10, buckle assembly; 11, hook; 11a, opening; 111, first end; 112, second end; 113, abutting portion; 113a, first abutting surface; 114, first mounting hole; 115, fourth mounting hole; 12, locking piece; 121, second abutting surface; 122, second mounting hole; 123, third mounting hole; 13, first shaft piece; 14, connecting piece; 141, arc-shaped sliding groove; 142, fifth mounting hole; 15, second shaft piece; 16, third shaft piece; A, space; 20, pressure sensor; 30, controller; 40, alarm; 50, state detection module; 51, position sensor; 52, angle sensor; 60, positioning module; 70, control terminal; 80, wireless communication module. DETAILED DESCRIPTION

[0029] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application are described in detail below with reference to the accompanying drawings. In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be implemented in many different ways than those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0030] In the description of the present application, it should be understood that if these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0031] In addition, the terms "first", "second", and the like, if any, are used herein for descriptive purposes only and should not be construed as indicating or implying relative importance or implicating the number of indicated technical features. Thus, a feature defined with "first" or "second" can include at least one of the features explicitly or implicitly. In the description of the present application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0032] In the present application, unless otherwise explicitly specified and limited, if the terms "mounting", "connecting", "connecting", "fixing" and the like appear, these terms should be interpreted broadly. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] In the present application, unless otherwise explicitly specified and limited, if the first feature is described as "on" or "under" the second feature, etc., it can mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be the first feature directly above or obliquely above the second feature, or it can only mean that the first feature is higher than the second feature in horizontal height. The first feature "below", "below" and "below" the second feature can be the first feature directly below or obliquely below the second feature, or it can only mean that the first feature is lower than the second feature in horizontal height.

[0034] It should be noted that if an element is referred to as "fixed to" or "disposed to" another element, it can be directly on another element or there can be a middle element. If an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. If present, the terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in the present application are only for illustrative purposes and do not represent the only implementation.

[0035] Please refer to Figures 1 to 3The embodiment of the present application provides a safety belt, which comprises a safety belt body (not shown), a hook assembly 10, a pressure sensor 20, an alarm 40 and a controller 30, the safety belt body is provided with the controller 30 and the alarm 40, the alarm 40 is electrically connected with the controller 30; the hook assembly 10 is at least one, the hook assembly 10 comprises a hook 11 and a locking piece 12; the hook 11 is connected with the safety belt body, the hook 11 is provided with an opening 11a, and the hook 11 comprises a first end 111 and a second end 112 located on both sides of the opening 11a; the locking piece 12 is arranged at the opening 11a and connected with the first end 111, and the locking piece 12 is configured to be capable of moving between a locking position and an unlocking position relative to the hook 11; when the locking piece 12 is in the locking position, the locking piece 12 abuts against the second end 112, and the locking piece 12 and the hook 11 jointly form a closed space A; when the locking piece 12 is in the unlocking position, the locking piece 12 is away from the second end 112 to open the space A; the pressure sensor 20 is arranged on the locking piece 12 or the second end 112, and the pressure sensor 20 is configured to abut against the locking piece 12 and the second end 112 when the locking piece 12 is in the locking position to detect the abutting force between the locking piece 12 and the second end 112; the pressure sensor 20 is electrically connected with the controller 30; and the controller 30 is configured to control the opening and closing of the alarm 40 according to the abutting force detected by the pressure sensor 20 and a preset abutting force threshold.

[0036] The safety belt provided by the embodiment of the application comprises a safety belt body, a lock hook assembly 10, a pressure sensor 20, an alarm 40 and a controller 30. The lock hook assembly 10 comprises a hook 11 and a lock catch 12. The hook 11 is provided with an opening 11a. The hook 11 comprises a first end 111 and a second end 112 located on both sides of the opening 11a. The lock catch 12 is arranged at the opening 11a and connected with the first end 111. The lock catch 12 is configured to move relative to the hook 11 between a locking position and an unlocking position. The pressure sensor 20 is arranged on the second end 112 of the lock catch 12 or the hook 11. The pressure sensor 20 is configured to abut against the lock catch 12 and the second end 112 when the lock catch 12 is in the locking position, so as to detect the abutting force between the lock catch 12 and the second end 112. The pressure sensor 20 is electrically connected with the controller 30. The controller 30 is configured to control the opening and closing of the alarm 40 according to the abutting force detected by the pressure sensor 20 and a preset abutting force threshold. In this way, when the wearer performs high-altitude operation or climbing activities, the pressure sensor 20 can detect the abutting force between the lock catch 12 and the second end 112 of the hook 11. When the pressure sensor 20 detects that the abutting force between the lock catch 12 and the second end 112 of the hook 11 is less than the preset abutting force threshold, the controller 30 controls the alarm 40 to alarm, prompting the wearer to check the cooperation of the lock catch 12 and the hook 11. After the wearer adjusts the cooperation of the lock catch 12 and the hook 11, the alarm 40 stops alarming, which indicates that the abutting force between the lock catch 12 and the hook 11 is greater than or equal to the preset abutting force threshold, and the lock catch 12 and the hook 11 are well cooperated. In this way, the abnormal cooperation problem of the hook 11 and the lock catch 12 can be found in time, the safety hazard caused by the abnormal cooperation of the hook 11 and the lock catch 12 can be avoided, the safety of the safety belt can be effectively improved, the safety of the wearer can be improved, and the personal safety of the wearer can be ensured.

[0037] In one of the embodiments, referring to Figures 1 to 3 , the safety belt comprises two lock hook assemblies 10, both of which are connected with the safety belt body. The pressure sensor 20 is two, and the two pressure sensors 20 correspond to the two lock hook assemblies 10 one by one. Both of the two pressure sensors 20 are electrically connected with the controller 30. The controller 30 is configured to control the opening and closing of the alarm 40 according to the abutting force detected by the two pressure sensors 20 and the preset abutting force threshold.

[0038] Therefore, when the wearer is engaged in high-altitude operation or mountain climbing, the wearer can use the two hook assemblies 10 to be connected, and one buckle is performed in each step during the climbing process, so that the safety of the wearer is ensured. In addition, during the climbing process, the pressure sensor 20 detects the abutting force between the buckle part 12 and the hook 11 of the hook assembly 10, so that the wearer can find the abnormal cooperation problem of the hook 11 and the buckle part 12 in time, avoid the safety hidden danger caused by the abnormal cooperation of the hook 11 and the buckle part 12, effectively improve the safety of the safety belt, improve the safety of the wearer, and protect the personal safety of the wearer. In addition, when the wearer stops climbing, the wearer can use the two hook assemblies 10 to be connected, so that the safety of the wearer can be further improved.

[0039] Referring to Figure 1 and Figure 2 In one embodiment, the buckle part 12 is rotationally connected to the first end 111; the hook assembly 10 further comprises a first elastic member (not shown), and the first elastic member connects the buckle part 12 and the first end 111; the first elastic member is configured to apply a force to the buckle part 12 to rotate the buckle part 12 towards the second end 112, so that the buckle part 12 has a tendency to abut against the second end 112 from one side of the space A.

[0040] Therefore, the first elastic member can conveniently reset the buckle part 12 from the unlocking position to the locking position, and keep the buckle part 12 in the locking position, so that the use of the wearer is facilitated, and the safety of the wearer is improved.

[0041] Referring to Figure 1 and Figure 2 In one embodiment, the buckle part 12 is rotationally connected to the first end 111 by the first shaft member 13; the first elastic member is a torsion spring, and the torsion spring is sleeved on the first shaft member 13, and the two ends of the torsion spring are respectively abutted against the buckle part 12 and the first end 111.

[0042] Therefore, when the wearer needs to hang the hook 11 in the hook assembly 10 on a safety rope or other safety part, the wearer can press the buckle part 12, the second end 112 of the buckle part 12 is away from the hook 11, the opening 11a on the hook 11 is opened, the hook 11 is hung on the safety rope, the wearer releases the buckle part 12, and due to the force of the torsion spring, the buckle part 12 automatically moves from the second end 112 of the hook 11 to the side of the space A and abuts against the second end 112, so that the hook assembly 10 is hung on the safety rope, thereby improving the convenience of use of the safety belt and facilitating the use of the wearer.

[0043] It should be noted that Figure 1 and Figure 2The first shaft 13 can be a pin shaft, a pin, a screw or the like, a first mounting hole 114 can be formed at the first end 111 of the hook 11, and a second mounting hole 122 can be formed on the lock piece 12, so that the lock piece 12, the hook 11 and the first shaft 13 are matched.

[0044] In one of the embodiments, referring to Figure 1 and Figure 2 The lock hook assembly 10 further comprises a connecting piece 14 and a second elastic member (not shown); the connecting piece 14 is arranged on the side of the hook 11 away from the lock piece 12; one end of the connecting piece 14 is rotationally connected with the hook 11, and the other end of the connecting piece 14 is provided with an arc-shaped sliding groove 141; the lock piece 12 is connected in the arc-shaped sliding groove 141 through a second shaft 15, the second shaft 15 is slidably arranged in the arc-shaped sliding groove 141, and the two ends of the second shaft 15 are rotationally connected with the lock piece 12; the second elastic member is connected with the connecting piece 14 and the hook 11, and is configured to apply a force to the connecting piece 14 to rotate the connecting piece 14 towards the hook 11, so that the lock piece 12 has a tendency to abut against the second end 112 from the side of the space A.

[0045] In this way, when the wearer needs to hang the hook 11 in the lock hook assembly 10 on a safety rope or the like, the wearer can drive the connecting piece 14 to rotate away from the hook 11, the second shaft 15 slides along the arc-shaped sliding groove 141 and drives the lock piece 12 to rotate, so that the lock piece 12 is away from the second end 112 of the hook 11, and the opening 11a of the hook 11 is opened, so as to hang the hook 11 on the safety rope, when the hook 11 is hung on the safety rope, the wearer releases the connecting piece 14, and under the action of the second elastic member, the connecting piece 14 rotates towards the hook 11, and drives the lock piece 12 to abut against the second end 112 from the side of the space A, so as to hang the lock hook assembly 10 on the safety rope, thereby improving the convenience of use of the safety belt and facilitating the use of the wearer.

[0046] It should be noted that, referring to Figure 1 and Figure 2 The second shaft 15 can be a pin shaft, a pin or a screw, and a third mounting hole 123 can be formed on the lock piece 12 to match the second shaft 15.

[0047] In one of the embodiments, referring to Figure 1 and Figure 2 The connecting piece 14 is rotationally connected with the hook 11 through a third shaft 16; the second elastic member is a torsion spring, the torsion spring is sleeved on the third shaft 16, and the two ends of the torsion spring abut against the connecting piece 14 and the hook 11, respectively.

[0048] Thus, the reset of the connecting buckle 14 can be conveniently connected by the torsion spring, that is, the connecting buckle 14 is rotated in the direction close to the hook 11, so as to drive the locking buckle 12 to abut against the second end 112 from the side in the space A, thereby improving the convenience of the safety belt and facilitating the use of the wearer.

[0049] It should be noted that, referring to Figure 1 , the third shaft member 16 can be a pin shaft or a pin, and a fourth mounting hole 115 can be formed on the hook 11, and a fifth mounting hole 142 can be formed on the connecting buckle 14, so that the connecting buckle 14, the hook 11 and the third shaft member 16 can be conveniently matched.

[0050] In one embodiment, referring to Figure 2 and Figure 1 , the second end 112 of the hook 11 is provided with an abutting portion 113, and the first abutting surface 113a is arranged on the side of the abutting portion 113 close to the opening 11a; the second abutting surface 121 is arranged on the locking buckle 12 and matched with the first abutting surface 113a; and the pressure sensor 20 is arranged on the first abutting surface 113a or the second abutting surface 121.

[0051] Thus, by arranging the abutting portion 113, the first abutting surface 113a is arranged on the side of the abutting portion 113 close to the opening 11a, and the second abutting surface 121 is arranged on the locking buckle 12 and matched with the first abutting surface 113a, the abutting of the second end 112 of the hook 11 and the locking buckle 12 can be conveniently achieved, and the abutting reliability of the second end 112 of the hook 11 and the locking buckle 12 can be improved; by arranging the pressure sensor 20 on the first abutting surface 113a or the second abutting surface 121, the pressure sensor 20 can conveniently detect the abutting force between the second end 112 of the hook 11 and the locking buckle 12, and the safety and reliability of the safety belt can be improved.

[0052] In one embodiment, referring to Figure 1 , the safety belt further comprises a state detection module 50 arranged on the safety belt body; the state detection module 50 is configured to detect state information of the safety belt, and the state information includes a fixed state or a moving state; and the controller 30 is configured to control the opening and closing of the alarm 40 according to the abutting force detected by the two pressure sensors 20 and the preset abutting force threshold and the state information detected by the state detection module 50.

[0053] It should be noted that the wearer uses the safety belt to perform high-altitude operation or climb activities, when the wearer is climbing, the wearer is constantly moving, the safety belt moves with the wearer, that is, the safety belt is in a moving state; when the wearer reaches the designated position and stops climbing, the wearer is fixed at the designated position, at this time, the safety belt is fixed at the designated position, that is, the safety belt is in a fixed state. When the safety belt is in a moving state, the wearer performs one step one buckle to ensure safe climbing, when the controller 30 receives an abutting force detected by one of the pressure sensors 20 and the abutting force is less than a preset abutting force threshold, the controller 30 controls the alarm 40 to alarm; when the safety belt is in a fixed state, the wearer uses two hook assemblies 10 to connect, when the controller 30 receives the abutting force detected by the two pressure sensors 20, and at least one of the pressure sensors 20 detects the abutting force less than the preset abutting force threshold, the controller 30 controls the alarm 40 to alarm, thereby ensuring the safety of the wearer and protecting the personal safety of the wearer.

[0054] In one of the embodiments, referring to Figure 2 , the hook assembly 10 is used to be hung on a safety rope (not shown); the state detection module 50 includes a position sensor 51 and an angle sensor 52; the position sensor 51 and the angle sensor 52 are electrically connected with the controller 30; the position sensor 51 is used to detect the position information of the safety belt body relative to the safety rope, and the angle sensor 52 is used to detect the angle information of the safety belt body relative to the safety rope.

[0055] In this way, when the position information detected by the position sensor 51 and the angle information detected by the angle sensor 52 are unchanged, the safety belt is in a fixed state, and when the position information detected by the position sensor 51 and the angle information detected by the angle sensor 52 are constantly changing, the safety belt is in a moving state, thereby the state information of the safety belt can be conveniently detected.

[0056] In one of the embodiments, referring to Figure 3 Figure 3 Figure 3 , the safety belt further includes a positioning module 60 provided on the safety belt body, the positioning module 60 is used to position the position information of the safety belt; the positioning module 60 is electrically connected with the controller 30; the safety belt further includes a control terminal 70 and a wireless communication module 80, the controller 30 is in communication connection with the control terminal 70 through the wireless communication module 80.

[0057] In this way, by setting the positioning module 60, the positioning module 60 is electrically connected with the controller 30, and the controller 30 is in communication connection with the control terminal 70 through the wireless communication module 80, the position information of the safety belt can be conveniently positioned, thereby the position information of the wearer can be conveniently positioned, and the position information of the wearer is transmitted to the control terminal 70 in real time, so that when a safety accident occurs, the rescuer can rescue the wearer according to the positioned position information.

[0058] In one of the embodiments, the positioning module 60 can be a GPS locator.

[0059] In one of the embodiments, the alarm 40 can be an audible and visual alarm 40.

[0060] The technical features of the above-mentioned embodiments can be combined in any manner. In order to make the description simple, all possible combinations of the technical features in the above-mentioned embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the present disclosure.

[0061] The above-mentioned embodiments only express several implementation manners of the present application, the description is more specific and detailed, however, it should not be understood as the limitation to the patent application scope. It should be pointed out that, for the ordinary skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, which all belong to the protection scope of the present application. Therefore, the patent protection scope of the present application should be subject to the appended claims.

Claims

1. A safety belt, characterized in that The safety belt comprises: a safety belt body, a controller and an alarm are arranged on the safety belt body, and the alarm is electrically connected with the controller; at least one hook assembly, the hook assembly comprises a hook and a locking piece; the hook is connected with the safety belt body, an opening is arranged on the hook, and the hook comprises a first end and a second end located on both sides of the opening; the locking piece is arranged at the opening and connected with the first end, and the locking piece is configured to move relative to the hook between a locking position and an unlocking position; when the locking piece is in the locking position, the locking piece abuts against the second end, and the locking piece and the hook jointly form a closed space; when the locking piece is in the unlocking position, the locking piece is away from the second end to open the space; a pressure sensor is arranged on the locking piece or the second end, and the pressure sensor is configured to abut against the locking piece and the second end when the locking piece is in the locking position to detect the abutting force between the locking piece and the second end; the pressure sensor is electrically connected with the controller; the controller is configured to control the opening and closing of the alarm according to the abutting force detected by the pressure sensor and a preset abutting force threshold; the safety belt comprises two hook assemblies, the two hook assemblies are connected with the safety belt body, the pressure sensor is two, the two pressure sensors correspond to the two hook assemblies respectively, the two pressure sensors are electrically connected with the controller, and the controller is configured to control the opening and closing of the alarm according to the abutting force detected by the two pressure sensors and the preset abutting force threshold; the locking piece is rotationally connected with the first end; the hook assembly further comprises a first elastic member, the first elastic member connects the locking piece and the first end, and the first elastic member is configured to apply a force to the locking piece to make the locking piece rotate towards the second end, so that the locking piece has a tendency to abut against the second end from one side of the space towards the second end.

2. The safety belt according to claim 1, characterized in that the locking piece is rotationally connected with the first end through a first shaft member; the first elastic member is a torsional spring, the torsional spring is sleeved on the first shaft member, and the two ends of the torsional spring abut against the locking piece and the first end respectively.

3. The safety belt of claim 1, wherein the hook assembly further comprises a connecting piece and a second elastic member; one end of the connecting piece is rotationally connected with the hook, and the other end of the connecting piece is provided with an arc-shaped sliding groove; the locking piece is connected in the arc-shaped sliding groove through a second shaft member, the second shaft member slides through the arc-shaped sliding groove, and the two ends of the second shaft member are rotationally connected with the locking piece; the second elastic member is connected with the connecting piece and the hook, and the second elastic member is configured to apply a force to the connecting piece to make the connecting piece rotate towards the hook, so that the locking piece has a tendency to abut against the second end from one side of the space towards the second end.

4. The safety belt according to claim 3, characterized in that the connecting piece is rotationally connected with the hook through a third shaft member; The second elastic member is a torsion spring, the torsion spring is sleeved on the third shaft member, and two ends of the torsion spring are respectively in abutment with the connecting buckle and the hook.

5. The safety belt of claim 1, wherein The second end of the hook is provided with an abutment portion, the abutment portion is provided with a first abutment surface near one side of the opening; the lock buckle is provided with a second abutment surface matched with the first abutment surface; the pressure sensor is arranged on the first abutment surface or the second abutment surface.

6. The safety belt of claim 1, wherein Further comprising a state detection module arranged on the safety belt body; the state detection module is configured to detect state information of the safety belt, the state information including a fixed state or a moving state; The controller is configured to control the opening and closing of the alarm according to the abutment force detected by the two pressure sensors, the preset abutment force threshold, and the state information detected by the state detection module.

7. The safety belt of claim 6, wherein The hook assembly is used for hanging on a safety rope; The state detection module includes a position sensor and an angle sensor; the position sensor is used for detecting position information of the safety belt body relative to the safety rope, and the angle sensor is used for detecting angle information of the safety belt body and the safety rope.

8. The safety belt of claim 1, wherein, Further comprising a positioning module arranged on the safety belt body, the positioning module is used for positioning position information of the safety belt; the positioning module is electrically connected with the controller; The safety belt further comprises a control terminal and a wireless communication module, and the controller is in communication connection with the control terminal through the wireless communication module.

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