CN114766787B - Safety belt lock catch for construction workers with higher convenience and reliability - Google Patents
Safety belt lock catch for construction workers with higher convenience and reliability Download PDFInfo
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- CN114766787B CN114766787B CN202210609309.5A CN202210609309A CN114766787B CN 114766787 B CN114766787 B CN 114766787B CN 202210609309 A CN202210609309 A CN 202210609309A CN 114766787 B CN114766787 B CN 114766787B
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- rod
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- lock catch
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
- A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
- A44B11/2503—Safety buckles
- A44B11/2569—Safety measures
- A44B11/2573—Locking means preventing an unauthorised opening, e.g. by children
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
- A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
- A44B11/2503—Safety buckles
- A44B11/2534—Safety buckles with the sliding motion of the buckle providing the opening or closing action
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Abstract
The invention discloses a safety belt lock catch for construction workers, which is more convenient and has higher reliability, and comprises the following components: the lock catch body comprises a shell, a lock catch rod, a lock catch sensing module and an inner lock mechanism, one end of the lock catch rod is movably inserted into a first fixing hole of the shell, the other end of the lock catch rod is locked into a second fixing hole of the shell, a constructor pulls the lock catch rod outwards when using the lock catch body, one end of the lock catch rod moves outwards from the first fixing hole, the other end of the lock catch rod is aligned to the second fixing hole, the inner lock mechanism locks the other end of the lock catch rod, the lock catch rod cannot move from the second fixing hole, the reliability of locking of the safety belt is improved, the other end of the lock catch rod abuts against the lock catch sensing module, the lock catch sensing module is connected with a control center in a wireless communication mode, the safety belt is enabled to be more convenient to use, the reliability is higher, and safety accidents are prevented.
Description
Technical Field
The invention relates to the technical field of safety belts, in particular to a safety belt lock catch for construction workers, which is more convenient and has higher reliability.
Background
In high-rise building construction, in order to prevent that the staff from accidentally falling when working aloft, the staff needs to wear the safety belt to lock the safety belt one end on the self-locking device of the independently hung falling protection safety rope, the other end is locked on the constructor, and most construction units adopt simple safety rope to protect according to relevant regulations, generally need manual supervision and personal consciousness, but in many cases, the constructor forgets to lock the lock catch of the safety belt on the self-locking device of the safety rope when the safety belt is worn carelessly and intentionally, so that great potential safety hazards exist. At present, because electronic and intelligent equipment is not adopted, disaster accidents can not be effectively stopped only by manual supervision and personal consciousness. Accordingly, there is a need for a harness latch for construction workers that is more convenient and reliable to at least partially address the problems of the prior art.
Disclosure of Invention
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the invention is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides a seat belt buckle for construction workers, which is more convenient and reliable, comprising: the lock catch body comprises a shell, a lock catch rod and an inner locking mechanism, wherein one end of the lock catch rod is movably inserted into a first fixing hole of the shell, the other end of the lock catch rod is locked in a second fixing hole of the shell, the inner locking mechanism is used for locking the other end of the lock catch rod, the other end of the lock catch rod selectively abuts against the lock catch induction module, and the lock catch induction module is electrically connected with a control center.
According to the safety belt lock catch for the construction workers, which is more convenient and higher in reliability, the blocking ring body is arranged at one end of the lock catch rod and is in sliding connection with the inner wall of the first fixing hole.
According to the safety belt lock catch for construction workers, which is more convenient and higher in reliability, the outer threads are arranged on the rod wall, close to the other end of the lock catch rod, two strip-shaped holes are formed in the outer walls of the two sides of the shell, the strip-shaped holes are communicated with the second fixing holes, a locking cylinder is arranged in the second fixing holes, the other end of the lock catch rod is in threaded connection with the locking cylinder, the outer wall of the locking cylinder protrudes out of the strip-shaped holes, and anti-skid lines are formed in the outer wall of the locking cylinder.
According to the safety belt lock catch for construction workers, which is more convenient and higher in reliability, the shell is internally provided with the induction inner cavity, the second fixing hole is communicated with the induction inner cavity, the lock catch induction module is arranged in the induction inner cavity and comprises an induction shell, an induction switch module, a microprocessor module, a wireless communication module and an alarm voice module, wherein the microprocessor module is arranged in the induction shell and is electrically connected with the wireless communication module and the alarm voice module through the induction switch module.
According to the safety belt lock catch for construction workers, which is more convenient and higher in reliability, the bottom of the shell is provided with the power supply inner cavity, the power supply inner cavity is internally provided with the power supply module, and the power supply module is electrically connected with the microprocessor module.
According to the safety belt lock catch for construction workers, which is more convenient and higher in reliability, the inner lock cavity is formed in the shell, the inner lock cavity is provided with the inner through hole communicated with the second fixing hole, the inner lock mechanism is arranged in the inner lock cavity, the outer wall of the shell is provided with the arc-shaped guide hole communicated with the inner lock cavity, the inner lock mechanism comprises the inner lock rod and the inner lock spring, one end of the inner lock rod is hinged in the inner lock cavity, the inner lock spring is arranged in the inner lock cavity and abuts against the inner lock rod, the other end of the inner lock rod is provided with the lock head piece, and the lock head piece selectively penetrates through the inner through hole and abuts against the locking cylinder.
According to the safety belt lock catch for construction workers, which is more convenient and higher in reliability, the lock head piece comprises a lock sleeve, an anti-rotation rod and a manual rod, the lock sleeve is arranged at the other end of the inner lock rod, the anti-rotation rod is movably arranged in the lock sleeve, the manual rod penetrates through the arc-shaped guide hole and extends to be connected with one end of the anti-rotation rod, a first anti-movement hole is formed in the lock cylinder, a second anti-movement hole corresponding to the first anti-movement hole is formed in the lock catch rod, the other end of the anti-rotation rod selectively penetrates through the first anti-movement hole and extends into the second anti-movement hole, a notch groove is formed in the lower end of the arc-shaped guide hole, and the manual rod is selectively inserted into the notch groove.
According to the safety belt lock catch for construction workers, which is more convenient and higher in reliability, the induction switch module comprises an induction seat, an induction cylinder, an induction guide head, an induction inner supporting frame and an induction outer supporting frame, wherein the induction seat is arranged on the induction shell, the induction cylinder is in threaded connection with the induction seat, a guide post and a spring conducting plate are arranged in a first inner groove of the induction seat, a diamond guide block and a hemispherical guide block are arranged on the guide post, the hemispherical guide block is positioned at the outer end of the guide post, the spring conducting plate is arranged in a second inner groove at the bottom of the first inner groove, the induction guide head is arranged at the inner end of the induction cylinder, the induction inner supporting frame is arranged at the middle part of the induction cylinder and abuts against the induction guide head, the induction outer supporting frame is arranged at the outer end of the induction cylinder and abuts against the induction inner supporting frame, the induction outer supporting frame corresponds to the other end of the lock catch rod, the induction guide head comprises an inner annular plate and an inner annular plate, the inner annular plate is arranged on the inner annular plate and an inner annular groove, the inner annular plate is arranged at the middle part of the inner annular groove and corresponds to the wedge-shaped guide rod, and the wedge-shaped stop block is arranged between the inner annular plate and the inner annular guide plate.
According to the safety belt lock catch for construction workers, which is more convenient and higher in reliability, the induction inner support comprises an inner support partition plate, an inner sliding frame group, two hinge swing rod groups and a middle pulling piece, wherein the inner support partition plate is arranged in the induction cylinder, a gap is reserved between the upper end and the lower end of the inner support partition plate and the inner wall of the induction cylinder, the inner sliding frame group is arranged on the inner side of the inner support partition plate, the inner sliding frame group comprises two transverse rods, a vertical rod, two vertical springs and two inner sliding guide sleeves, the two transverse rods are respectively arranged on the upper side and the lower side of the inner support partition plate, the vertical rods are arranged between the two transverse rods, the two vertical springs are arranged on the vertical rod, the inner sliding guide sleeve is arranged on the vertical rod and is connected with the vertical spring, the hinge swing rod group comprises a first hinge swing rod and a second hinge swing rod, one end of the first hinge swing rod is hinged with the inner support partition plate, the second hinge swing rod is arranged on the inner sliding guide sleeve, the two transverse rods are respectively arranged on the upper side and lower side of the inner sliding guide sleeve, the inner sliding baffle plate is arranged on the inner sliding baffle plate, the inner sliding baffle plate is connected with the middle sliding baffle plate is arranged on the inner sliding baffle, and the middle sliding baffle is arranged on the inner sliding baffle plate, and the middle sliding baffle plate is arranged on the inner sliding baffle plate.
According to the safety belt lock catch for construction workers, which is more convenient and higher in reliability, the induction outer support comprises a straight U-shaped plate, two oblique swing rods, an outer convex plate and two inner guide rods, two straight arms of the straight U-shaped plate are respectively arranged in the two gaps in a penetrating mode, the two oblique swing rods are movably arranged on the inner wall of the straight U-shaped plate and connected with the inner sliding guide sleeve, the inner guide rods are arranged at the outer ends of the straight arms and abut against the first hinge swing rods, and the outer convex plate is arranged on the outer vertical wall of the straight U-shaped plate and corresponds to the other end of the lock catch rod.
Compared with the prior art, the invention at least comprises the following beneficial effects:
the present invention provides a safety belt lock catch for construction workers with higher reliability, which comprises: the lock catch body comprises a shell, the lock catch rod, the lock catch sensing module and the inner locking mechanism are arranged in the shell, one end of the lock catch rod is movably inserted into the first fixing hole of the shell, the other end of the lock catch rod is locked in the second fixing hole of the shell, so that when the lock catch body is used by a constructor, the lock catch rod is pulled outwards, one end of the lock catch rod moves outwards from the first fixing hole, then the other end of the lock catch rod is aligned to the second fixing hole, then the other end of the lock catch rod is pushed to be inserted into the second fixing hole, the other end of the lock catch rod is propped against the lock catch sensing module, then the inner locking mechanism locks the other end of the lock catch rod, the lock catch rod cannot move from the second fixing hole, the reliability of the safety belt lock catch is improved, and meanwhile the other end of the lock catch rod is propped against the lock catch sensing module, so that the lock catch sensing module is connected with a control center in a wireless communication mode, the safety belt lock catch can be used by the control center better, the constructor can be prevented from happening to the safety belt, and accidents are more convenient to use.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a left side view of the structure of the present invention;
FIG. 3 is a schematic diagram of a latch sensing module according to the present invention;
FIG. 4 is a schematic view of a latch lever according to the present invention;
FIG. 5 is a schematic view of an inner lock mechanism according to the present invention;
FIG. 6 is a schematic view of the structure of the lock assembly of the present invention;
FIG. 7 is a left side view of the structure of the locking cylinder of the present invention;
FIG. 8 is a schematic diagram of a structure of an inductive switch module according to the present invention;
FIG. 9 is a schematic diagram of a sensor base according to the present invention;
FIG. 10 is a schematic diagram of an inductive header according to the present invention;
FIG. 11 is a schematic diagram of the structure of the induction inner bracket according to the present invention;
FIG. 12 is a schematic view of the structure of the inner carriage assembly of the present invention;
FIG. 13 is a schematic view of the structure of the induction outer bracket of the present invention;
fig. 14 is a schematic structural view of the intermediate pulling member in the present invention.
Detailed Description
The present invention is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the invention by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 7, the present invention provides a safety belt buckle for construction workers, which is more convenient and reliable, comprising: the lock catch body 100, the lock catch body 100 includes casing 1, lock catch pole 2 and sets up at lock catch sensing module 3, interior locking mechanism 4, the one end of lock catch pole 2 is movably pegged graft in the first fixed orifices 11 of casing 1, the other end lock catch pole 2 is locked and is in the second fixed orifices 12 of casing 1, interior locking mechanism 4 is used for locking the other end of lock catch pole 2, the other end of lock catch pole 2 is selectively supported the lock catch sensing module 3, lock catch sensing module 3 is connected with the control center electricity.
The working principle and the beneficial effects of the technical scheme are as follows: the present invention provides a safety belt lock catch for construction workers with higher reliability, which comprises: the hasp body 100, this hasp body 100 includes casing 1, the hasp pole 2, hasp response module 3, interior lock mechanism 4, specifically, casing 1 is connected with the safety belt body 200, hasp response module 3, interior lock mechanism 4 installs in casing 1, and the one end of hasp pole 2 is movably pegged graft in the first fixed orifices 11 of casing 1, the other end lock of hasp pole 2 connects in the second fixed orifices 12 of casing 1, so construction workers outwards stimulate hasp pole 2 when using this hasp body 100, then the one end of hasp pole 2 then outwards removes from in the first fixed orifices 11, then aim at second fixed orifices 12 with the other end of hasp pole 2 again, then promote the other end of hasp pole 2 to insert in the second fixed orifices 12, make the other end of hasp pole 2 support and push up on the hasp response module 3, then with interior lock mechanism 4 pin the other end of hasp pole 2, thereby make this hasp pole 2 unable take place to remove from the second fixed orifices 12, the reliability of this safety belt has been increased, simultaneously, the other end of this hasp response pole 2 supports the hasp response module 3 and makes the safety belt take place more conveniently, the control center, make the safety belt can take place with the control conveniently, the safety belt is better, the control center is realized, and the safety belt is more convenient.
In one embodiment, a blocking ring body 21 is disposed at one end of the latch rod 2, and the blocking ring body 21 is slidably connected to the inner wall of the first fixing hole 11.
The working principle and the beneficial effects of the technical scheme are as follows: in this embodiment, the blocking ring body 21 is installed at one end of the locking rod 2, and the blocking ring body 21 is slidably connected with the inner wall of the first fixing hole 11, so that a constructor can pull the locking rod 2 outwards, and then one end of the locking rod 2 moves outwards in the first fixing hole 11 through the blocking ring body 21, and after the other end of the locking rod 2 is inserted into the second fixing hole 12, one end of the locking rod 2 moves inwards in the first fixing hole 11 through the blocking ring body 21, so that the locking rod 2 can be fixedly installed in the shell 1 to play a fixing role.
In one embodiment, the locking rod 2 is provided with external threads on the rod wall close to the other end of the locking rod, two strip-shaped holes 13 are formed in the outer walls of two sides of the shell 1, the strip-shaped holes 13 are communicated with the second fixing holes 12, a locking cylinder 14 is arranged in the second fixing holes 12, the other end of the locking rod 2 is in threaded connection with the locking cylinder 14, the outer wall of the locking cylinder 14 protrudes out of the strip-shaped holes 13, and anti-skid lines are formed in the outer wall of the locking cylinder 14.
The working principle and the beneficial effects of the technical scheme are as follows: in the embodiment, the structure of the locking rod 2 is provided, and external threads are designed on the outer wall of the locking rod 2 of the structure, and the external threads are positioned close to the other end of the locking rod 2; in order to facilitate the construction workers to use the locking rod 2, the strip-shaped holes 13 are formed in the outer walls of the two sides of the shell 1, the strip-shaped holes 13 are communicated with the second fixing holes 12, the locking cylinder 14 is installed in the second fixing holes 12, the locking cylinder 14 is rotationally connected with the second fixing holes 12, meanwhile, the two ends of the locking cylinder 14 are opened, the other end of the locking rod 2 can move in the locking cylinder 14, the construction workers can rotate the locking cylinder 14, the locking rod 2 screwed in the locking cylinder 14 moves inwards along the locking cylinder 14, the other end of the locking rod 2 can move to be in contact with the locking induction module 3, the locking induction module 3 is started to be connected with the control center in a wireless mode, the control center can know that the safety belt is locked and used correctly, and meanwhile, the locking induction module 3 can also emit preset sound to remind the construction workers to use the safety belt for locking; it will be appreciated that the outer wall of the locking cylinder 14 is provided with anti-slip texturing to facilitate rotation of the locking cylinder 14 by a construction worker.
In one embodiment, an induction cavity 15 is provided in the housing 1, the second fixing hole 12 is communicated with the induction cavity 15, the lock catch induction module 3 is provided in the induction cavity 15, the lock catch induction module 3 includes an induction shell 31, an induction switch module 35, and a microprocessor module 32, a wireless communication module 34 and an alarm voice module 33 which are provided in the induction shell 31, and the microprocessor module 32 is electrically connected with the wireless communication module 34 and the alarm voice module 33 through the induction switch module 35.
The working principle and the beneficial effects of the technical scheme are as follows: the specific structure of the lock catch sensing module 3 is provided in this embodiment, the sensing inner cavity 15 is designed in the interior of the shell 1, the lock catch sensing module 3 is installed in the sensing inner cavity 15, meanwhile, the sensing inner cavity 15 is communicated with the second fixing hole 12, the lock catch sensing module 3 comprises a sensing shell 31, a sensing switch module 35, a microprocessor module 32, a wireless communication module 34 and an alarm voice module 33, specifically, the sensing shell 31 is installed in the sensing inner cavity 15, the microprocessor module 32, the wireless communication module 34 and the alarm voice module 33 are installed in the sensing shell 31, the sensing switch module 35 comprises a sensing spring and a sensing pressing block (not shown), so that after a locking cylinder 14 is rotated by a constructor, the lock catch rod 2 moves into the locking cylinder 14, and then the other end of the lock catch rod 2 moves the sensing pressing block, so that the sensing pressing block presses the sensing spring, and then the sensing pressing block moves to a starting switch (not shown) which is abutted against the microprocessor module 32, so that the microprocessor module 32 is communicated with the wireless communication module 34 and the alarm voice module 33, and the microprocessor module 32 is connected with the control center through the wireless communication module 34, and the safety control center is known to start the safety belt; meanwhile, the alarm voice module 33 sends out a preset sound to remind the construction workers that the safety belt lock catch can be safely used, so that the safety belt lock catch is more convenient to use and higher in reliability.
In one embodiment, a power cavity 16 is provided at the bottom of the housing 1, and a power module 30 is provided in the power cavity 16, and the power module 30 is electrically connected to the microprocessor module 32.
The working principle and the beneficial effects of the technical scheme are as follows: in this embodiment, the bottom of the housing 1 is provided with the power cavity 16, where the power cavity 16 is provided with the power module 30, and the power module 30 supplies power to the microprocessor module 32 to facilitate long-term repeated use of the lock catch sensing module 3, and it can be understood that the power cavity 16 can be opened, so that a construction worker can conveniently take out the power module 30 from the power cavity 16 to replace the power module 30 with a new one; of course, the charging interface module can also be designed on the shell 1, so that the charging interface module is plugged in through the power adapter, and the commercial power is directly used for charging the safety belt lock catch.
In one embodiment, an inner lock cavity 17 is arranged inside the shell 1, the inner lock cavity 17 is provided with an inner through hole communicated with the second fixing hole 12, the inner lock mechanism 4 is arranged in the inner lock cavity 17, an arc-shaped guide hole 18 communicated with the inner lock cavity 17 is arranged on the outer wall of the shell 1, the inner lock mechanism 4 comprises an inner lock rod 41 and an inner lock spring 42, one end of the inner lock rod 41 is hinged in the inner lock cavity 17, the inner lock spring 42 is arranged in the inner lock cavity 17 and abuts against the inner lock rod 41, the other end of the inner lock rod 41 is provided with a lock head piece 43, and the lock head piece 43 selectively penetrates through the inner through hole and abuts against the locking cylinder 14.
The working principle and the beneficial effects of the technical scheme are as follows: in this embodiment, the inner lock cavity 17 is provided in the housing 1, and it is understood that the inner lock cavity 17 is in a fan shape, an inner through hole communicating with the second fixing hole 12 is provided at the upper end of the inner lock cavity 17, the inner lock mechanism 4 is installed in the fan-shaped inner lock cavity 17, the inner lock mechanism 4 includes an inner lock rod 41 and an inner lock spring 42, one end of the inner lock rod 41 is hinged at the center of the fan-shaped inner lock cavity 17, the inner lock spring 42 is installed on the lower side wall of the inner lock cavity 17, the inner lock rod 41 is supported, and the other end of the inner lock rod 41 is installed with a locking head piece 43, for convenience of using the locking head piece 43, an arc guide hole 18 is provided on the outer wall of the housing 1, the arc guide hole 18 is communicated with the inner lock cavity 17, and meanwhile, the locking head piece 43 extends out of the arc guide hole 18, so that the locking head piece 43 can pass through the inner through hole and prop against the locking cylinder 14, thus preventing the locking cylinder 14 from rotating axially under the external force, and improving the reliability of the locking buckle of the safety belt.
In one embodiment, the locking head 43 includes a lock sleeve 431, an anti-rotation rod 432, and a manual rod 433, the lock sleeve 431 is disposed at the other end of the inner locking rod 41, the anti-rotation rod 432 is movably disposed in the lock sleeve 431, the manual rod 433 passes through the arc-shaped guide hole 18 and extends to be connected with one end of the anti-rotation rod 432, a first anti-movement hole 141 is disposed on the locking cylinder 14, a second anti-movement hole 23 corresponding to the first anti-movement hole 141 is disposed on the locking rod 2, and the other end of the anti-rotation rod 432 selectively passes through the first anti-movement hole 141 and extends into the second anti-movement hole 23.
The working principle and the beneficial effects of the technical scheme are as follows: in this embodiment, a specific structure of the lock member 43 is provided, the lock member 43 of this structure includes a lock sleeve 431, an anti-rotation rod 432 and a manual rod 433, specifically, the lock sleeve 431 is installed at the other end of the inner lock rod 41, the anti-rotation rod 432 is installed in the filling 431, where the anti-rotation rod 432 is rotatably installed in the lock sleeve 431, it can be understood that the anti-rotation rod 432 has a longer length, both ends of the anti-rotation rod 432 can extend to the lock sleeve 431, so that the inner end of the manual rod 433 passes through the arc-shaped guide hole 18 to be connected with one end of the anti-rotation rod 432, so that the manual rod 433 can move along the arc-shaped guide hole 18 to the locking cylinder 14 by the outer end of the manual rod 433, and then the other end of the anti-rotation rod 432 is made to be inserted into the first anti-rotation hole 141 of the locking cylinder 14, so that the locking cylinder 14 is prevented from rotating axially under the action of the external force, so that when the locking cylinder 2 needs to be fixed, the locking cylinder 14 makes the other end of the locking cylinder 2 drive the locking sensing module 3, the inner end of the locking cylinder 432 is made to be in contact with the locking sensing module 3, and the second end of the anti-rotation rod is made to be further in the condition of the second anti-rotation rod 432 is made to be inserted into the first anti-rotation hole 141 by the anti-rotation module, and the anti-rotation module is further made to be in the condition of the second anti-rotation module, and the anti-rotation module is made to be in the anti-rotation, and the locking module is made.
In one embodiment, the lower end of the arc-shaped guide hole 18 is provided with a notch 181, and the manual lever 433 is selectively inserted into the notch 181.
The working principle and the beneficial effects of the technical scheme are as follows: in order to facilitate the convenience of the construction worker in opening the safety belt buckle when using the safety belt buckle, a notch 181 is formed at the lower end of the arc-shaped guide hole 18, so that the construction worker forcefully moves the manual lever 433 along the arc-shaped guide hole 18 towards the lower end of the arc-shaped guide hole 18, and further drives the inner lock lever 41 to compress the inner lock spring 42, and further the anti-rotation lever 432 in the lock head member 43 moves out from the second anti-movement hole 23 and the first anti-movement hole 141, thereby facilitating the construction worker to rotate the locking cylinder 14, and further enabling the other end of the locking lever 2 to move outwards from the locking cylinder 14; when the inner lock lever 41 moves to the lower end of the arc guide hole 18, the constructor moves the manual lever 433 into the notch groove 181, so that the anti-rotation lever 432 rotates in the lock sleeve 431, and the manual lever 433 enters into the notch groove 181, and the notch groove 181 fixes the manual lever 433, thereby facilitating the use of the safety belt buckle by the constructor. Similarly, when the construction worker moves the manual lever 433 out of the notch groove 181, the inner lock lever 41 is moved toward the lock cylinder 14 by the inner lock spring 42 until the second movement preventing hole 23 is fixed.
As shown in fig. 8-14, in one embodiment, the inductive switch module 35 includes an inductive seat 36, an inductive cylinder 37, an inductive guide head 38, an inductive inner support 39 and an inductive outer support 40, the inductive seat 36 is disposed on the inductive shell 31, the inductive cylinder 37 is screwed on the inductive seat 36, a guide post 362 and a spring conductive plate 366 are disposed in a first inner groove 361 of the inductive seat 36, the guide post 362 is provided with a diamond guide block 363 and a hemispherical guide block 364, the hemispherical guide block 364 is disposed on an outer end of the guide post 362, the spring conductive plate 366 is disposed in a second inner groove 365 at a bottom of the first inner groove 361, the inductive guide head 38 is disposed at an inner end of the inductive cylinder 37, the inductive inner support 39 is disposed in a middle of the inductive cylinder 37 and abuts against the inductive guide head 38, the inductive outer support 40 is disposed at an outer end of the inductive cylinder 37 and abuts against the inductive inner support 39, the inductive outer support 386 is disposed at another end of the inductive outer support 386, the inductive inner support 40 is in a wedge ring groove 382 and the inner annular groove 381 is disposed between the inner slide 381 and the inner slide ring 381, and the inner slide ring 381 is disposed at two sides of the inner slide ring 381, and the inner slide ring 381 is disposed between the inner slide ring 381 and the inner slide ring 381, and a conductive rod 387 corresponding to the spring conductive plate 366 is provided at the middle of the outer end of the conductive stopper 380.
The working principle and the beneficial effects of the technical scheme are as follows: the specific structure of the inductive switch module 35 is provided in this embodiment, and the inductive switch module 35 of this structure has higher safety and reliability, and longer service life. The inductive switch module 35 comprises an inductive seat 36, an inductive cylinder 37, an inductive guide head 38, an inductive inner support 39 and an inductive outer support 40, specifically, the inductive seat 36 is mounted on an inductive shell 31 of the lock catch inductive module 3, a guide post 362 and a spring conductive plate 366 are arranged in a first inner groove 361 of the inductive seat 36, the guide post 362 and the spring conductive plate 366 can be both designed to be two, the two spring conductive plates 366 are electrically connected with the microprocessor module 32, meanwhile, a diamond guide block 363 and a hemispherical guide block 364 are mounted on the guide post 362, the hemispherical guide block 364 is positioned at the outer end of the guide post 362, the spring conductive plate 366 is mounted in a second inner groove 365 at the bottom of the first inner groove 361, the inductive cylinder 37 is in threaded connection with the inductive seat 36, the inductive guide head 38 is mounted at the inner end of the inductive cylinder 37, the inductive inner support 39 is mounted in the middle of the inductive cylinder 37 and abuts against the inductive guide head 38, further, the inductive outer support 40 is mounted at the outer end of the inductive cylinder 37 and abuts against the inductive inner support 39, the other end of the inductive lock catch support 40 and the lock catch 2 are correspondingly pushed into the inductive support 40, and then the inductive support 40 is pushed into the inductive cylinder 40, and the other end of the inductive support 40 is pushed into the inductive cylinder 40 to be in the inner support 37, and the inductive support 40 is further pushed into the inner support 40, and the inductive cylinder 2, thereby the inductive support 40 is in the inner support 40 is in the contact with the inductive guide rod 2;
Specifically, the induction guide head 38 includes an inner slip ring plate 381 and an inner slip ring seat 382, where the inner slip ring plate 381 is mounted inside the inner slip ring seat 382 and is located in the induction cylinder 37, the inner slip ring plate 381 is connected with the induction inner bracket 39, a conductive stop block 380 is mounted in the middle of the inner slip ring plate 381, a guide ring groove 383 is disposed between the inner slip ring seat 382 and the conductive stop block 380, a plurality of third inner grooves 384 are formed on the inner wall of the guide ring groove 383, and a clamp spring 385 and a wedge-shaped clamp rod 386 are mounted in the third inner groove 384, so when two conductive rods 387 at the outer end of the conductive stop block 380 enter into the second inner groove 365 to contact with the guide plate in the spring conductive plate 366, at this time, the induction guide head 38 moves further, so that the conductive rod 387 presses the spring conductive plate 366 to make the spring conductive plate 366 closely contact with the conductive rod 387, so that the two spring conductive plates 366 are in a conductive state, and the microprocessor module 32 can start to work; and guide post 362 in the induction seat 36 also enters into guide ring groove 383 for jump ring 385 supports wedge card pole 386 and enters into hemisphere guide block 364's rear side, can understand that guide post 362 enters into guide ring groove 383's in-process, hemisphere guide block 364 is with two wedge card poles 386 back of pushing away, makes hemisphere guide block 364 continue to remove along wedge card pole 386, and then wedge card pole 386 card is to hemisphere guide block 364's rear side under the effect of jump ring 385, has increased the degree of closely touching between spring current-conducting plate 366 and the current-conducting rod 387 like this, avoid the two to take place the bad contact and can't work, improved the security, reliability, and the life of this inductive switch module 35 simultaneously.
In one embodiment, the sensing inner strut 39 includes an inner strut partition 391, an inner strut group 392, two hinge pendulum rod groups 393 and a middle pulling member 394, the inner strut partition 391 is disposed in the sensing cylinder 37, a gap is formed between the upper and lower ends of the inner strut partition 391 and the inner wall of the sensing cylinder 37, the inner strut group 392 is disposed at the inner side of the inner strut partition 391, the inner strut group 392 includes two transverse rods 3921, a vertical rod 3922, two vertical springs 3923 and two inner slide guide sleeves 3924, the two transverse rods 3921 are respectively disposed at the upper and lower sides of the inner strut partition 391, the vertical rod 3922 is disposed between the two transverse rods 3921, the two vertical springs 3923 are disposed on the vertical rod 3922, the inner slide guide sleeve 3924 is disposed on the vertical rod 3922 and is connected with the vertical spring 3923, the hinge pendulum rod group 393 includes a first hinge pendulum rod 391, a second hinge pendulum rod 3922, the inner hinge rod 3942 is disposed at the inner end of the inner hinge rod 3942, the inner hinge rod 3942 is disposed at the middle of the inner hinge rod 3942, and the middle pulling member 3942 is disposed at the middle pulling member 39342, the inner hinge rod 3942 is disposed at the middle pulling rod 3932, and the inner hinge rod 3942 is disposed at the middle pulling rod 39342.
The working principle and the beneficial effects of the technical scheme are as follows: the specific structure of the induction inner support 39 is provided in this embodiment, the induction inner support 39 of the structure comprises an inner support partition 391, an inner support group 392, two hinge swing rod groups 393 and a middle pulling member 394, wherein the inner support partition 391 is adopted to be installed inside the induction cylinder 37, the inner part of the induction cylinder 37 is divided into a front part and a rear part, and a gap is formed between the upper end and the lower end of the inner support partition 391 and the inner wall of the induction cylinder 37, so that the induction outer support 40 is installed at the rear part through the two gaps;
while the inner slide frame group 392 is installed inside and in front of the inner brace partition 391, the inner slide frame group 392 includes two lateral rods 3921, a vertical rod 3922, two vertical springs 3923, and two inner slide guide sleeves 3924, the two lateral rods 3921 are installed at the upper and lower sides of the inner brace partition 391, respectively, the vertical rod 3922 is installed between the two lateral rods 3921, and the two vertical springs 3923 are installed on the vertical rod 3922, the inner slide guide sleeve 3924 is installed on the vertical rod 3922 and connected with the vertical springs 3923, where the inner slide guide sleeve 3624 is connected with the sensing outer brace 40, wherein the hinge rod group 393 includes a first hinge rod 3931, a second hinge rod 3932, where one end of the first hinge rod 3931 is hinged with the inner brace partition 391, the second hinge rod 3932 is installed obliquely at the other end of the first hinge rod 3931, and the second hinge rod 3932 is connected with the inner slide ring plate 381, the middle pulling member 394 includes a pulling cylinder 3941, a pulling cross bar 3942, a pulling spring 3943 and a pulling baffle 3944, so when the sensing inner supporting frame 39 is pressed inwards by the sensing outer supporting frame 40, firstly, two inner sliding guide sleeves 3924 in the inner sliding frame group 392 inside the inner supporting baffle 391 respectively press the vertical springs 3923, so that the vertical springs 3923 are compressed along the vertical rods 3922, the sensing outer supporting frame 40 is further close to the inner supporting baffle 391, then two hinge swing rod groups 393 on the inner supporting baffle 391 can extend towards the sensing seat 36, namely, a first hinge swing rod 3931 in the hinge swing rod groups 393 moves towards the middle pulling member 394 under the action of the sensing outer supporting frame 40, and then moves the inner sliding ring seat 382 towards the sensing seat 36 by the inclined direction towards the middle 393, so that two conductive rods 387 on the conductive baffle 380 can be closely contacted with the spring 366, at this time, the lock catch sensing module 3 is in a turned-on state, and the alarm voice module 33 can generate a preset sound, such as "safe in place", and the construction worker stops to rotate the locking cylinder 14 again;
When the safety belt lock needs to be unlocked, after the lock head piece 43 is pushed into the notch groove 181, the locking cylinder 14 is continuously rotated, so that the other end of the lock catch rod 2 is continuously extruded onto the induction outer support frame 40, the induction outer support frame 40 is continuously moved to the induction inner support frame 39 for a certain distance, and then the locking cylinder 14 is reversely rotated, so that the other end of the lock catch rod 2 is gradually moved out of the second fixing hole to complete unlocking;
in this process, the hinged swing rod set 393 further extends to move the induction guide head 38 towards the induction seat 36, so that the wedge-shaped clamping rod 386 in the induction guide head 38 contacts the diamond-shaped guide block 363 and slides to the other side of the diamond-shaped guide block 363, and at this time, under the action of the spring conductive plate 366 and the middle pulling piece 394, the induction guide head 38, the induction inner support 39 and the induction outer support 40 all move outwards to restore to the original positions, so that the induction switch module 35 is disconnected; specifically, the pulling spring 3943 in the intermediate pulling member 394 presses the pulling baffle 3944 and the pulling cross bar 3942 outwards, and then pulls the cross bar 3942 to drive the induction guide 38 to move outwards, so that the wedge-shaped clamping rod 386 in the induction guide 38 moves along the diamond-shaped guide block 363 to be separated from the hemispherical guide block 364, and it can be understood that the diamond-shaped guide block 363 moves on the guide post 362 to be attached to the back surface of the hemispherical guide block 364; while the vertical springs 3923 in the inner slide set 392 also compress the inner slide guide sleeve 3924 to move, thereby moving the sensing outer strut 40 outwardly.
In one embodiment, the sensing outer bracket 40 includes a flat U-shaped plate 401, two oblique swing rods 402, an outer convex plate 403, and two inner guide rods 404, two flat arms 405 of the flat U-shaped plate 401 are respectively penetrated in the two gaps, two oblique swing rods 402 are movably disposed on the inner wall of the flat U-shaped plate 401 and connected with the inner guide sleeve 3924, the inner guide rods 404 are disposed on the outer ends of the flat arms 405 and abut against the first hinge swing rods 3931, and the outer convex plate 403 is disposed on the outer vertical wall of the flat U-shaped plate 401 and corresponds to the other end of the locking rod 2.
The working principle and the beneficial effects of the technical scheme are as follows: the embodiment provides a specific structure of the induction outer support 40, the induction outer support 40 of the structure comprises a flat U-shaped plate 401, two inclined swing rods 402, an outer convex plate 403 and two inner guide rods 404, specifically, when the other end of the lock rod 2 is extruded to the outer convex plate 403 in the induction outer support 40, two flat arms 405 of the flat U-shaped plate 401 are respectively penetrated into two gaps, so that the flat U-shaped plate 401 can move in the induction cylinder 37, the two inclined swing rods 402 are movably arranged on the inner wall of the flat U-shaped plate 401 and connected with the inner sliding guide sleeve 3924, the inner guide rods 404 are arranged on the outer ends of the flat arms 405 and abut against the first hinged swing rod 3931, the outer convex plate 403 is arranged on the outer vertical end of the flat U-shaped plate 401 and corresponds to the other end of the lock rod 2, and when the other end of the lock rod 2 is extruded to the outer convex plate 403 in the induction outer support 40, the flat U-shaped plate 401 moves into the induction cylinder 37, the two inclined arms 402 on the inner sliding guide sleeve 3924 are extruded to the inner sliding guide sleeve 3924, so that the inner sliding guide sleeve 3924 is movably arranged on the inner sliding guide sleeve 3924, the inner sliding guide sleeve 3924 is further extruded to the flat U-shaped plate 401 is in the close to the flat U-shaped plate 3, and the two guide rods 3 are in a close contact with the first hinged swing rod 3931, and the two sound guide rods are tightly connected with the inner guide rod 3, and the sound guide rod 3 is tightly can be tightly locked, and the sound guide rod is tightly in the sound guide rod is tightly;
When the safety belt lock needs to be unlocked, under the action of the spring conductive plate 366 and the middle pulling piece 394, the sensing inner supporting frame 39 and the sensing outer supporting frame 40 move outwards, the vertical springs 3923 in the inner sliding frame set 392 also press the inner sliding guide sleeve 3924 to move, and then the two inner sliding guide sleeves 3924 drive the two inclined swinging rods 402 inside the flat U-shaped plate 401 inwards to approach each other, and then the inclined swinging rods 402 press the flat U-shaped plate 401 outwards, so that the flat arm 405 drives the inner guide rod 404 to move outwards, the first hinge swinging rod 3931 in the hinge swinging rod set 393 opens outwards, the second hinge swinging rod 3932 drives the sensing guide head 38 to move outwards, so that the spring conductive plate 366 is separated from the conductive rod 387, and it can be understood that the spring conductive plate 366 can only move in the second inner groove, so that the spring conductive plate 366 can be separated from the conductive rod 387, and after the spring conductive plate is separated from the conductive rod, the spring conductive plate can send out a sound of 'safe unlocking' to remind a construction worker.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (7)
1. A safety belt buckle for construction workers with greater convenience and reliability, comprising:
The lock catch body (100), the lock catch body (100) comprises a shell (1), a lock catch rod (2), and a lock catch induction module (3) and an inner locking mechanism (4) which are arranged in the shell (1), one end of the lock catch rod (2) is movably inserted into a first fixing hole (11) of the shell (1), the other end of the lock catch rod (2) is locked in a second fixing hole (12) of the shell (1), the inner locking mechanism (4) is used for locking the other end of the lock catch rod (2), the other end of the lock catch rod (2) selectively abuts against the lock catch induction module (3), and the lock catch induction module (3) is electrically connected with a control center;
an induction inner cavity (15) is arranged in the shell (1), the second fixing hole (12) is communicated with the induction inner cavity (15), the lock catch induction module (3) is arranged in the induction inner cavity (15), the lock catch induction module (3) comprises an induction shell (31), an induction switch module (35) and a microprocessor module (32), a wireless communication module (34) and an alarm voice module (33) which are arranged in the induction shell (31), and the microprocessor module (32) is electrically connected with the wireless communication module (34) and the alarm voice module (33) through the induction switch module (35);
The induction switch module (35) comprises an induction seat (36), an induction cylinder (37), an induction guide head (38), an induction inner supporting frame (39) and an induction outer supporting frame (40), wherein the induction seat (36) is arranged on the induction shell (31), the induction cylinder (37) is in threaded connection with the induction seat (36), a guide column (362) and a spring conductive plate (366) are arranged in a first inner groove (361) of the induction seat (36), a diamond guide block (363) and a hemispherical guide block (364) are arranged on the guide column (362), the hemispherical guide block (364) is positioned at the outer end of the guide column (362), the spring conductive plate (366) is arranged in a second inner groove (365) at the bottom of the first inner groove (361), the induction guide head (38) is arranged at the inner end of the induction cylinder (37), the induction inner supporting frame (39) is arranged in the middle of the induction cylinder (37) and abuts against the induction guide head (38), the induction outer supporting frame (40) is arranged at the inner end of the corresponding to the inner supporting frame (381) of the induction cylinder (37), the other end (382) of the induction cylinder (382) and the inner supporting frame (382), the inner sliding ring plate (381) is arranged on the inner side of the inner sliding ring seat (382) and is positioned in the induction cylinder (37), the inner sliding ring plate (381) is connected with the induction inner supporting frame (39), a conductive stop block is arranged in the middle of the inner sliding ring plate (381), a guide ring groove (383) is arranged between the inner sliding ring seat (382) and the conductive stop block (380), a plurality of third inner grooves (384) are arranged on the inner walls of the two sides of the guide ring groove (383), a clamp spring (385) and a wedge-shaped clamping rod (386) are arranged in the third inner grooves (384), the clamp spring (385) is propped against the wedge-shaped clamping rod (386), the wedge-shaped clamping rod (386) is selectively clamped with the diamond-shaped guide block (363) and the hemispherical guide block (364), and a conductive rod (387) corresponding to the spring conductive plate (366) is arranged in the middle of the outer end of the conductive stop block (380);
The induction inner support (39) comprises an inner support baffle (391), an inner support baffle group (392), two hinge swing rod groups (393) and a middle pulling piece (394), wherein the inner support baffle (391) is arranged in the induction cylinder (37), gaps are reserved between the upper end and the lower end of the inner support baffle (391) and the inner wall of the induction cylinder (37), the inner support baffle group (392) is arranged at the inner side of the inner support baffle (391), the inner support baffle group (392) comprises two transverse rods (3921), a vertical rod (3922), two vertical springs (3923) and two inner slide guide sleeves (3924), the two transverse rods (3921) are respectively arranged at the upper side and the lower side of the inner support baffle (391), the vertical rods (3922) are arranged between the two transverse rods (3921), the two vertical springs (3923) are arranged on the vertical rods (3922), the inner slide guide sleeves (3924) are arranged on the inner support baffle (391) and are connected with the first hinge swing rod (393) and the second hinge swing rod (393) by the first hinge swing rod (393) and the second hinge swing rod (3931) respectively, and second hinge pendulum rod (3932) with interior slip ring board (381) are connected, middle pulling piece (394) is including pulling section of thick bamboo (3941), pulling horizontal pole (3942), pulling spring (3943) and pulling baffle (3944), pulling section of thick bamboo (3941) set up in the outer wall middle part of internal stay baffle (391), pulling baffle (3944) slidingly set up in pulling section of thick bamboo (3941), the inner of pulling horizontal pole (3942) wears to establish in pulling spring (3943) and with pulling baffle (3944) are connected, the outer end of pulling horizontal pole (3942) with the middle part of electrically conductive dog is connected.
2. The safety belt lock catch for construction workers with higher convenience and reliability according to claim 1, wherein one end of the lock catch rod (2) is provided with a baffle ring body (21), and the baffle ring body (21) is slidably connected with the inner wall of the first fixing hole (11).
3. The safety belt lock catch for construction workers with higher convenience and reliability according to claim 1, wherein external threads are arranged on a rod wall, which is close to the other end of the lock catch rod (2), of each lock catch rod, two strip-shaped holes (13) are formed in the outer walls of two sides of the shell (1), the strip-shaped holes (13) are communicated with the second fixing holes (12), a locking cylinder (14) is arranged in each second fixing hole (12), the other end of the lock catch rod (2) is in the corresponding locking cylinder (14) in a threaded mode, the outer wall of each locking cylinder (14) protrudes out of the corresponding strip-shaped hole (13), and anti-skid grains are formed in the outer wall of each locking cylinder (14).
4. The safety belt lock catch for construction workers with higher convenience and reliability according to claim 1, wherein a power supply inner cavity (16) is arranged at the bottom of the shell (1), a power supply module (30) is arranged in the power supply inner cavity (16), and the power supply module (30) is electrically connected with the microprocessor module (32).
5. A safety belt lock for construction workers with higher convenience and reliability according to claim 3, characterized in that an inner lock cavity (17) is arranged in the casing (1), the inner lock cavity (17) is provided with an inner through hole communicated with the second fixing hole (12), the inner lock mechanism (4) is arranged in the inner lock cavity (17), an arc-shaped guide hole (18) communicated with the inner lock cavity (17) is arranged on the outer wall of the casing (1), the inner lock mechanism (4) comprises an inner lock rod (41) and an inner lock spring (42), one end of the inner lock rod (41) is hinged in the inner lock cavity (17), the inner lock spring (42) is arranged in the inner lock cavity (17) and abuts against the inner lock rod (41), the other end of the inner lock rod (41) is provided with a lock head piece (43), and the lock head piece (43) selectively passes through the inner through hole and abuts against the lock cylinder (14).
6. The safety belt lock catch for construction workers with higher reliability according to claim 5, characterized in that the lock head piece (43) comprises a lock sleeve (431), an anti-rotation rod (432) and a manual rod (433), the lock sleeve (431) is arranged at the other end of the inner lock rod (41), the anti-rotation rod (432) is movably arranged in the lock sleeve (431), the manual rod (433) penetrates through the arc-shaped guide hole (18) and extends to be connected with one end of the anti-rotation rod (432), a first anti-rotation hole (141) is arranged on the lock cylinder (14), a second anti-rotation hole (23) corresponding to the first anti-rotation hole (141) is arranged on the lock catch rod (2), the other end of the anti-rotation rod (432) selectively penetrates through the first anti-rotation hole (141) and extends into the second anti-rotation hole (23), a notch groove (181) is arranged at the lower end of the arc-shaped guide hole (18), and the manual rod (181) is selectively inserted into the notch groove (181).
7. The safety belt lock catch for construction workers with higher convenience and reliability according to claim 1, wherein the induction outer support frame (40) comprises a flat U-shaped plate (401), two inclined swing rods (402), an outer convex plate (403) and two inner guide rods (404), two flat arms (405) of the flat U-shaped plate (401) are respectively penetrated in two gaps, the two inclined swing rods (402) are movably arranged on the inner wall of the flat U-shaped plate (401) and connected with the inner guide sleeve (3924), the inner guide rods (404) are arranged on the outer ends of the flat arms (405) and abut against the first hinge torsion rods (3931), and the outer convex plate (403) is arranged on the outer vertical wall of the flat U-shaped plate (401) and corresponds to the other end of the lock catch rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210609309.5A CN114766787B (en) | 2022-05-31 | 2022-05-31 | Safety belt lock catch for construction workers with higher convenience and reliability |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210609309.5A CN114766787B (en) | 2022-05-31 | 2022-05-31 | Safety belt lock catch for construction workers with higher convenience and reliability |
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| CN114766787A CN114766787A (en) | 2022-07-22 |
| CN114766787B true CN114766787B (en) | 2023-06-09 |
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| CN202210609309.5A Active CN114766787B (en) | 2022-05-31 | 2022-05-31 | Safety belt lock catch for construction workers with higher convenience and reliability |
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