阅读说明：本技术 一种自动锁控器 (Automatic lock accuse ware ) 是由 赵福全 赵偲偲 于 2021-09-26 设计创作，主要内容包括：一种自动锁控器属于器械技术领域,本发明包括控制杆和控制叉板,其特征在于,所述控制叉板为两片且结构完全相同,两片所述控制叉板可拆卸地配合组装,所述控制叉板的后端为安装部,所述控制杆可拆卸地配合安装在两片所述控制叉板的安装部上,所述控制叉板的两侧开槽并在槽内可滑动地设置有锁杆,所述锁杆夹在两个所述控制叉板之间,所述锁杆的前端能从所述控制叉板的前端伸出,所述控制叉板与所述锁杆之间设置有锁杆弹簧,所述控制叉板的两侧前端内部均设置有锁止机构。本发明结构简单,使用方便,能够直插快速对目标人进行身体自动锁紧控制,给抓捕目标的任务带来极大的帮助,同时也可以应用在类似需求的其他行业工作中。(The invention discloses an automatic lock controller, which belongs to the technical field of instruments and comprises control rods and control fork plates, and is characterized in that the control fork plates are two and have the same structure, the two control fork plates are detachably assembled in a matched manner, the rear ends of the control fork plates are installation parts, the control rods are detachably installed on the installation parts of the two control fork plates in a matched manner, grooves are formed in the two sides of the control fork plates, lock rods are slidably arranged in the grooves, the lock rods are clamped between the two control fork plates, the front ends of the lock rods can extend out of the front ends of the control fork plates, lock rod springs are arranged between the control fork plates and the lock rods, and locking mechanisms are arranged inside the front ends of the two sides of the control fork plates. The invention has simple structure and convenient use, can be directly inserted to quickly carry out body automatic locking control on a target person, brings great help to the task of capturing the target, and can also be applied to other industries with similar requirements.)

1. The utility model provides an automatic lock accuse ware, includes control lever (1) and control fork board (2), its characterized in that, control fork board (2) are two and the structure is the same completely, two control fork board (2) detachably cooperation equipment, the rear end of control fork board (2) is the installation department, control lever (1) detachably cooperation is installed two on the installation department of control fork board (2), the both sides fluting of control fork board (2) is provided with locking lever (3) at inslot slidable, locking lever (3) clamp is two between control fork board (2), the front end of locking lever (3) can be followed the front end of control fork board (2) stretches out, control fork board (2) with be provided with locking lever spring (4) between locking lever (3), the inside locking mechanism that all is provided with of the both sides front end of control fork board (2), the locking mechanism can be matched and interlocked with the lock rod (3) when the lock rod (3) extends out of the control fork plate (2), the rear end of each lock rod (3) is provided with a clamping groove (5), the control fork plate (2) is hinged with a lock catch (6), one end of the lock catch (6) is matched with the clamping groove (5), the other end of the lock catch (6) corresponds to the front end of a lock catch spring (7) arranged in the control fork plate (2), the rear end of the lock catch spring (7) corresponds to the inner wall of the control fork plate (2), the other end of the lock catch (6) is also correspondingly provided with a touch slide block (8), the touch slide block (8) is slidably arranged in through grooves (26) correspondingly arranged on the two control fork plates (2), and the rear end of the touch slide block (8) corresponds to the front end of a slide block spring (9) arranged in the control fork plate (2), the rear end of the slider spring (9) corresponds to the inner wall of the control fork plate (2), the front end of the touch slider (8) is rotatably connected with a rotary block (10) arranged outside the control fork plate (2), and the rotary block (10) can enter the through groove (26) between the two control fork plates (2) when rotating to at least one angle and also can correspond to the outer walls of the two control fork plates (2) when rotating to at least one angle.

2. An automatic lock control according to claim 1, characterized in that the control fork (2) is an arc-shaped plate.

3. The automatic lock controller according to claim 1, characterized in that the locking rod (3) is a hollow structure, the front end of the locking rod (3) is closed and the rear end is open, the locking rod spring (4) is arranged inside the locking rod (3), the front end of the locking rod spring (4) is propped against the inside of the front end of the locking rod (3), and the rear end of the locking rod spring (4) extends out of the inside of the locking rod (3) and is propped against the control fork plate (2).

4. The automatic lock controller according to claim 1, wherein the locking mechanism comprises a locking pin (11), a locking block (12) and a locking spring (13), the locking pin shaft (11) penetrates through the middle part of the locking block (12) and is pressed against a semi-hole arranged on the control fork plate (2), the outer wall of the lock rod (3) is provided with a lock groove (14), the rear end of the lock block (12) is hook-shaped and can be matched with the lock groove (14), the front end of the locking block (12) can extend out from the side surface of the control fork plate (2), the locking spring (13) is arranged inside the front end of the locking block (12), one end of the locking spring (13) corresponds to the inner wall of the locking block (12), the other end of the locking spring (13) corresponds to the outer wall of the locking rod (3).

5. The automatic lock controller according to claim 1, characterized in that a lock pin (15) is disposed through the middle of the lock (6), two ends of the lock pin (15) respectively correspond to the half holes disposed on the two control fork plates (2), and the lock (6) is sandwiched between the two control fork plates (2).

6. The automatic lock controller according to claim 1, characterized in that a guide hole (16) is formed in the trigger slider (8) along the axial direction of the control rod (1), a guide pin (17) is disposed through the guide hole (16), the guide pin (17) and the corresponding guide hole (16) can be matched for relative sliding, and two ends of the guide pin (17) respectively correspond to half holes formed in the two control fork plates (2).

7. The automatic lock controller according to claim 1, wherein the trigger slider (8) is provided with a buffer groove (18), the rotary block (10) is connected with the touch sliding block (8) through a bolt (19), the bolt (19) extends into the buffer groove (18), a rotary block spring (20) is sleeved outside part of the bolt (19) positioned in the buffer groove (18), the front end of the spiral block spring (20) corresponds to the inner wall of the buffer groove (18), the rear end of the spiral block spring (20) corresponds to a nut (21) which is arranged on the bolt (19) in a matching way, a plurality of positioning grooves (22) are arranged on the rear end surface of the rotary block (10), a positioning bead (23) is arranged at the front end of the touch sliding block (8), and the positioning groove (22) is matched with the positioning bead (23).

8. The automatic lock controller according to claim 1, wherein the rotary block (10) and the through groove (26) are both cubic structures, the length of the long side of the rear end surface of the rotary block (10) is greater than the length of the short side of the front end surface of the through groove (26), the length of the long side of the rear end surface of the rotary block (10) is less than the length of the long side of the front end surface of the through groove (26), and the length of the short side of the rear end surface of the rotary block (10) is less than the length of the short side of the front end surface of the through groove (26).

9. The automatic lock controller according to claim 1, wherein a plurality of protrusions (24) are provided on the inner wall of the groove of the control fork plate (2) on which the lock rod (3) is placed, and the protrusions (24) can be in sliding friction with the lock rod (3).

10. An automatic lock controller according to claim 1, characterized in that the control rod (1) is provided with a non-slip grip (25).

Technical Field

The invention belongs to the technical field of prevention and control instruments, and particularly relates to an automatic lock controller.

Background

At present, in the prevention and control work of China, when a task of capturing a target person needs to be executed, the situation that the target person enters a crowd to avoid is often met, in order to ensure the safety of the crowd, a capturing person is difficult to directly subdue the target person from the crowd, so that the target person is left with the chance of escaping, great trouble is brought to the capturing task, and the existing military and police instruments cannot achieve quick control of the target person at one stroke, so that an instrument capable of quickly controlling the target person in the crowd is required to be designed at present.

Disclosure of Invention

Aiming at the problems, the invention makes up the defects of the prior art and provides an automatic lock controller; the invention has simple structure and convenient use, can be directly inserted to quickly carry out body automatic locking control on a target person, brings great help to the task of capturing the target, and can also be applied to other industries with similar requirements.

In order to achieve the purpose, the invention adopts the following technical scheme.

The invention provides an automatic lock controller, which comprises a control rod and control fork plates, and is characterized in that the control fork plates are two and have the same structure, the two control fork plates are detachably matched and assembled, the rear ends of the control fork plates are installation parts, the control rod is detachably matched and installed on the installation parts of the two control fork plates, two sides of each control fork plate are grooved, lock rods are slidably arranged in the grooves, the lock rods are clamped between the two control fork plates, the front ends of the lock rods can extend out of the front ends of the control fork plates, lock rod springs are arranged between the control fork plates and the lock rods, locking mechanisms are arranged inside the front ends of the two sides of the control fork plates, the locking mechanisms can be matched and interlocked with the lock rods when the lock rods extend out of the control fork plates, the rear ends of the lock rods are provided with clamping grooves, the control fork plate is hinged with a lock catch, one end of the lock catch is matched with the clamping groove, the other end of the lock catch corresponds to the front end of a lock catch spring arranged in the control fork plate, the rear end of the lock catch spring corresponds to the inner wall of the control fork plate, the other end of the lock catch is also correspondingly provided with a touch slide block which is slidably arranged in the through grooves correspondingly arranged on the two control fork plates, the rear end of the touch slide block corresponds to the front end of a slide block spring arranged in the control fork plate, the rear end of the slide block spring corresponds to the inner wall of the control fork plate, the front end of the touch slide block is rotationally connected with a rotary block arranged outside the control fork plate, the rotary block can enter the through groove between the two control fork plates by rotating to at least one angle, and can also correspond to the outer walls of the two control fork plates when rotated to at least one angle.

Further, the control fork plate is an arc-shaped plate.

Furthermore, the locking rod is of a hollow structure, the front end of the locking rod is closed, the rear end of the locking rod is opened, the locking rod spring is arranged inside the locking rod, the front end of the locking rod spring is propped against the inside of the front end of the locking rod, and the rear end of the locking rod spring extends out of the inside of the locking rod and is propped against the control fork plate.

Further, locking mechanism includes locking round pin axle, locking piece and locking spring, the locking round pin axle passes the middle part and the top of locking piece are in the half-hole that sets up on the control fork board, be provided with a locked groove on the outer wall of locking lever, the rear end of locking piece for hook-like and can with the locked groove cooperatees, the front end of locking piece can be followed the side of control fork board stretches out, the locking spring sets up inside the front end of locking piece, the one end of locking spring with the inner wall of locking piece corresponds, the other end of locking spring with the outer wall of locking lever corresponds.

Furthermore, a lock pin shaft penetrates through the middle of the lock, two ends of the lock pin shaft correspond to the half holes formed in the two control fork plates respectively, and the lock is clamped between the two control fork plates.

Furthermore, a guide hole is formed in the touch sliding block along the axial direction of the control rod, a guide pin shaft penetrates through the guide hole, the guide pin shaft and the corresponding guide hole can be matched to slide relatively, and two ends of the guide pin shaft correspond to half holes formed in the two control fork plates respectively.

Furthermore, a buffer groove is formed in the touch sliding block, the rotary block is connected with the touch sliding block through a bolt, the bolt extends into the buffer groove, a rotary block spring is sleeved outside a part of the bolt located in the buffer groove, the front end of the rotary block spring corresponds to the inner wall of the buffer groove, the rear end of the rotary block spring corresponds to a nut arranged on the bolt in a matched mode, a plurality of positioning grooves are formed in the rear end face of the rotary block, positioning beads are arranged at the front end of the touch sliding block, and the positioning grooves are matched with the positioning beads.

Further, revolve the piece with it is the cube structure to lead to the groove, revolve the long limit length of the rear end face of piece and be greater than lead to the minor face length of the preceding terminal surface of groove, revolve the long limit length of the rear end face of piece and be less than lead to the long limit length of the preceding terminal surface of groove, the minor face length of the rear end face of piece is less than lead to the minor face length of the preceding terminal surface of groove soon.

Furthermore, a plurality of convex blocks are arranged on the inner wall of the groove of the control fork plate for placing the lock rod, and the convex blocks can be in sliding friction with the lock rod.

Furthermore, an anti-skid handle sleeve is arranged on the control rod.

The invention has the beneficial effects.

The automatic locking control device is simple in structure and convenient to use, can switch between an automatic locking control mode and an unlocking control mode, is suitable for different requirements, and when a target person needs to be grasped and controlled, the automatic locking control mode is started, the target person is directly inserted, and the locking rod stretches out and is quickly and automatically locked to hold the target person to control the target person; when the target person needs to be driven away, the automatic lock control mode is closed, the target person is directly inserted, the control fork pushes the target person, and the target person is pushed away from the place where the target person is located, so that the target person is driven away. The two modes can bring great help to the task of capturing the target, and meanwhile, the method can also be applied to other industries with similar requirements, and the applicability is strong.

Drawings

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a partially enlarged view of the front end portion of the automatic lock control mode of the present invention.

Fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention.

Fig. 4 is an enlarged structural view of a portion B of fig. 2 according to the present invention.

Fig. 5 is an enlarged schematic view of the portion C of fig. 2 according to the present invention.

Fig. 6 is an enlarged schematic view of the front end portion of the automatic lock mode of the present invention.

Fig. 7 is an enlarged view of the portion D of fig. 6 according to the present invention.

Fig. 8 is an enlarged view of portion E of fig. 6 according to the present invention.

Fig. 9 is a schematic structural view of the control yoke plate of the present invention.

FIG. 10 is a side view of the face of the knob of the present invention in contact with the control yoke plate.

Fig. 11 is a schematic view showing a state of the swing block position in the automatic lock control open mode of the present invention.

Fig. 12 is a schematic view showing the state of the swing block position in the automatic lock control off mode of the present invention.

The labels in the figure are: the device comprises a control rod 1, a control fork plate 2, a lock rod 3, a lock rod spring 4, a clamp groove 5, a lock catch 6, a lock catch spring 7, a touch slide block 8, a slide block spring 9, a rotary block 10, a locking pin shaft 11, a locking block 12, a locking spring 13, a lock groove 14, a lock catch pin shaft 15, a guide hole 16, a guide pin shaft 17, a buffer groove 18, a bolt 19, a rotary block spring 20, a nut 21, a positioning groove 22, a positioning bead 23, a bump 24, an anti-skid handle sleeve 25 and a through groove 26.

Detailed Description

With reference to the drawings, the present embodiment provides an automatic lock controller, which includes a control rod 1 and a control fork 2, the control fork 2 is two pieces, the control fork 2 with the same structure is an arc-shaped plate, the two control fork 2 can be detachably assembled in a matching manner, and the two control fork 2 can be completely overlapped and screwed up and down by screws.

The rear end of the control fork plate 2 is provided with an installation part, the control rod 1 is detachably matched and installed on the installation parts of the two control fork plates 2, and an anti-skidding handle sleeve 25 is arranged on the control rod 1 for preventing skidding when in use.

The two sides of the control fork plate 2 are provided with grooves, the lock rod 3 is slidably arranged in the grooves, the inner walls of the grooves are provided with a plurality of protrusions 24, and the arrangement of the protrusions 24 can reduce the friction surface between the lock rod 3 and the control fork plate 2 during movement, so that the movement of the lock rod 3 is smoother. Locking lever 3 presss from both sides between two control fork board 2, and the front end of locking lever 3 can stretch out from the front end of control fork board 2, and locking lever 3 is hollow structure, and the front end of locking lever 3 seals and the rear end is opened, and locking lever 3 spring setting is in the inside of locking lever 3, and the front end top of locking lever 3 spring is inside the front end of locking lever 3, and the rear end of locking lever 3 spring stretches out and pushes up on control fork board 2 from locking lever 3 is inside.

The inside locking mechanism that all is provided with of both sides front end of control fork board 2, locking mechanism includes locking round pin axle 11, locking piece 12 and locking spring 13, locking round pin axle 11 passes the middle part of locking piece 12 and pushes up in the half-hole that sets up on control fork board 2, be provided with a locked groove 14 on the outer wall of locking lever 3, the rear end of locking piece 12 is hook-shaped and can cooperate with locked groove 14, the side that control fork board 2 can be followed to the front end of locking piece 12 stretches out, locking spring 13 sets up inside the front end of locking piece 12, the one end of locking spring 13 corresponds with the inner wall of locking piece 12, the other end of locking spring 13 corresponds with the outer wall of locking lever 3. The locking mechanism can make the rear end hook-shaped part of the locking block 12 enter the locking groove 14 and hook the locking rod 3 when the locking rod 3 extends out of the control fork 2, so that the locking rod 3 stops extending and can not retract.

The rear end of every locking lever 3 all is provided with draw-in groove 5, the articulated hasp 6 that is provided with on the control fork board 2, the one end and the draw-in groove 5 of hasp 6 cooperate, when needs are withdrawed locking lever 3 to control fork board 2 inside, can press the front end of locking piece 12, the effect through spring and locking round pin axle 11 makes the rear end hook form part of locking piece 12 shift out from the locked groove 14, push back locking lever 3 to control fork board 2 in again, until hasp 6 and draw-in groove 5 cooperation pin locking lever 3, make locking lever 3 stop in control fork board 2.

The other end of the lock catch 6 corresponds to and contacts with the front end of a lock catch spring 7 arranged in the control fork plate 2, the rear end of the lock catch spring 7 props against the inner wall of the control fork plate 2, a lock catch pin shaft 15 penetrates through the middle of the lock catch 6, two ends of the lock catch pin shaft 15 correspond to half holes formed in the two control fork plates 2 respectively, and the lock catch 6 is clamped between the two control fork plates 2. The other end of the lock catch 6 is correspondingly provided with a touch sliding block 8, and the touch sliding block 8 is slidably arranged in the through grooves 26 correspondingly arranged on the two control fork plates 2. When the touch sliding block 8 pushes the lock catch 6, the lock catch 6 rotates around the lock catch pin 15 and compresses the lock catch spring 7, one end of the lock catch 6 moves out of the clamping groove 5, the lock of the lock rod 3 is released, and the lock rod 3 can slide and extend out of the control fork plate 2. After the touch sliding block 8 is reset, the lock catch 6 is pushed by the restoration of the lock catch spring 7, and the lock catch 6 is reset.

The rear end of the touch sliding block 8 corresponds to and contacts with the front end of a sliding block spring 9 arranged in the control fork plate 2, the rear end of the sliding block spring 9 is propped against the inner wall of the control fork plate 2, and when the touch sliding block 8 is forced backwards, the touch sliding block 8 moves towards the rear end to compress the sliding block spring 9 and push the lock catch 6; when the touch sliding block 8 is not subjected to backward force any more, the touch sliding block 8 is pushed to reset due to the reset action of the sliding block spring 9.

A guide hole 16 is formed in the touch sliding block 8 along the axial direction of the control rod 1, a guide pin shaft 17 penetrates through the guide hole 16, the guide pin shaft 17 and the guide hole 16 can be matched to slide relatively, and two ends of the guide pin shaft 17 correspond to half holes formed in the two control fork plates 2 respectively. The guide hole 16 and the guide pin shaft 17 can perform linear movement along the direction of the guide hole 16 and push the two latches 6 simultaneously when the lock control target person is inserted directly, so that the two control rods 1 can be ensured to extend out simultaneously, and meanwhile, the guide hole 16 can limit the movement stroke of the guide pin shaft 17, so that the touch slider 8 can be kept inside the two control fork plates 2 and cannot be ejected.

The front end that touches slider 8 rotates with the piece 10 of revolving that sets up outside control fork board 2 to be connected, revolve piece 10 and lead to groove 26 and be the cube structure, revolve the minor face length of the long limit length of the rear end face of piece 10 and be greater than the minor face length of the preceding terminal surface of leading to groove 26, revolve the long limit length of the rear end face of piece 10 and be less than the long limit length of the preceding terminal surface of leading to groove 26, when the long limit of the rear end face of the piece 10 of revolving is rotatory to the long limit parallel with the preceding terminal surface of leading to groove 26 like this, revolve piece 10 and can enter into through the inslot 26 and promote and touch slider 8.

The short side length of the back end face of the rotary block 10 is smaller than the short side length of the front end face of the through groove 26, so that when the long side of the back end face of the rotary block 10 rotates to be in a non-parallel state with the long side of the front end face of the through groove 26, the rotary block 10 corresponds to the outer wall of the two control fork plates 2 and cannot enter the through groove 26.

Thus, when the rotary block 10 rotates to the state that the long edge of the rear end surface of the rotary block 10 is parallel to the gap between the two control fork plates 2, the automatic lock control state is opened. When the target person is directly inserted, the target person can apply a forward force to the target person by the rotary block 10 and apply a backward force to the rotary block 10, the rotary block 10 can be pushed into a gap between the two control fork plates 2 after being stressed, meanwhile, the rotary block 10 pushes the touch sliding block 8 to move backward, so that the touch sliding block 8 pushes the lock catch 6, and the lock rod 3 extends out to hold the target person and is automatically locked by the structure.

When the rotary block 10 rotates to the state that the long edge of the rear end face of the rotary block 10 is vertical to the gap between the two control fork plates 2, the automatic lock control state is closed. The rotary blocks 10 correspond to the outer walls of the two control yoke plates 2 and bear against each other. At this time, when the plug-in type plug-in device is directly inserted into a target person, even if the rotary block 10 is subjected to backward force, the rotary block cannot enter a gap between the two plug boards and cannot move backward to push the touch sliding block 8, the lock rod 3 cannot extend out, and then only the push-off effect on the target person is realized.

The back end face of the rotary block 10 is provided with a plurality of positioning grooves 22, the front end of the touch slide block 8 is provided with a positioning ball 23, and the positioning grooves 22 are matched with the positioning ball 23. The setting of the positioning groove 22 depends on the rotational position of the swing block 10 in the opening and closing automatic lock state: the positioning ball 23 just enters the positioning groove 22 when the rotary block 10 rotates to the position for realizing the opening or closing automatic lock control state, so that the positioning of the rotary block 10 can be better realized, and the error of the opening or closing automatic lock control state caused by easy rotation of the rotary block 10 can be prevented.

The touch sliding block 8 is provided with a buffer groove 18, the rotary block 10 is connected with the touch sliding block 8 through a bolt 19, the bolt 19 extends into the buffer groove 18, the outer part of the partial bolt 19 positioned in the buffer groove 18 is sleeved with a rotary block spring 20, the front end of the rotary block spring 20 corresponds to the inner wall of the buffer groove 18, and the rear end of the rotary block spring 20 corresponds to a nut 21 which is arranged on the bolt 19 in a matching mode. The arrangement of the knob spring 20 can increase the rotational friction between the knob 10 and the touch slider 8, and also can improve the positioning performance of the positioning ball 23. The rotary block 10 is pulled to the front end to compress the rotary block spring 20, the hand is loosened after the rotation, the rotary block 10 is pushed back to the state of being in contact connection with the touch sliding block 8 due to the reset action of the rotary block spring 20, and the structure is very simple and the operation is convenient.

The operation principle of the present embodiment is as follows (with reference to the drawings).

1. Automatic lock control closing mode: the mode is also an initial state, the rotary block 10 rotates leftwards (or rightwards), under the action of the positioning ball 23, the rotary block 10 rotates to a state that the long edge of the rear end face and the long edge of the front end face of the through groove 26 are perpendicular to each other, at the moment, even under the action of external force, the rotary block 10 cannot enter a gap between the two control fork plates 2 and cannot push the sliding block to move backwards, the lock rod 3 cannot be started and extended, namely, the automatic lock control function is not provided, and the automatic lock control device is used when only a push-away requirement is required to be generated.

2. Automatic lock control opening mode: the rotary block 10 is rotated leftwards (or rightwards), and under the action of the positioning ball 23, the rotary block 10 is rotated to a state that the long edge of the rear end face is parallel to the long edge of the front end face of the through groove 26, and at this time, the lock control function is achieved. When the control rod 1 pushes the control fork plate 2 to move forwards, after a front object collides with the rotary block 10, the rotary block 10 rapidly moves towards the control rod 1 direction under the action of external force, the rotary block 10 pushes the bottom end face of the touch slide block 8 to contact with the side faces of the two lock catches 6, the lock catches 6 are pushed to deflect, so that the lock catches 6 lose the locking effect on the clamping grooves 5 at the rear ends of the lock rods 3, after the two lock rods 3 are separated from the control of the lock catches 6, the rotary block rapidly moves forwards under the action of spring tension of the lock rods 3, the lock blocks 12 extending out of the locking mechanism enter the lock grooves 14 of the lock rods 3 and stop extending out after being locked, and the lock rods 3 cannot retract and move backwards, at the moment, the two lock rods 3 and the control fork plate 2 form a ring state together, and lock control is completed.

When the locking control is finished and the lock rod 3 needs to be retracted, the front end of the locking block 12 extending out of the control fork plate 2 is pressed, the hook-shaped part at the rear end of the locking block 12 is moved out of the locking groove 14 under the action of the locking spring 13 and the locking pin shaft 11, the lock rod 3 is pushed back into the control fork plate 2 until the lock catch 6 is matched with the clamping groove 5 to lock the lock rod 3, the lock rod 3 is stopped in the control fork plate 2 and cannot rebound, and the lock rod 3 is restored to the initial state again.

It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.