Supporting rod for assisting in supporting ruler of ship lock

Abstract

The utility model relates to the technical field of auxiliary equipment of water traffic facilities, in particular to a supporting rod for assisting in supporting a ruler for a ship lock, which comprises a bearing disc, an anti-skid pad is mounted in the middle of the upper end face of the bearing disc, and a plurality of groups of square groove mounting seats are uniformly mounted on the bearing disc around the anti-skid pad in a whole row; a hinge is mounted at one end of the top of the square groove mounting base, a movable plate is further mounted on the hinge, a handle is mounted on the top face of the end, away from the hinge, of the movable plate, and a connecting cylinder is rotationally clamped to the middle of the lower end face of the bearing disc; the switch assembly is arranged on the first supporting rod, and the switch assembly is used for locking the first supporting rod; the fixing assembly is arranged at the bottom end of the supporting rod body and used for adjusting the length of the first supporting rod body, and the supporting rod for the auxiliary ruler supporting of the ship lock aims at solving the problems that the length of the supporting rod for the auxiliary ruler supporting of the ship lock cannot be adjusted, stability is insufficient, and operation is inconvenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to water traffic facilities auxiliary equipment technical field especially, relate to a support rod for the auxiliary staff of ship lock. BACKGROUND

[0002] The ship lock is the key facility for realizing the ship over the dam, its operation is complex and is higher to the precision requirement. In the ship lock use process, the staff is the important tool of measuring and adjusting the water level in the lock chamber, the ship position. However, the existing staff operation often relies on manual or uses the simple support, not only inconvenient operation, but also has the hidden danger.

[0003] In the prior art, the auxiliary staff support rod for ship lock is generally fixed length, cannot be flexibly adjusted according to actual demand, limits its applicable range and stability, lacks effective locking and fixing mechanism, the existing support rod is easy to sway or fall off due to external force in the use process, influences safety and work efficiency, if the locking and unlocking operation of the support rod is relatively complex, a lot of time and energy need to be spent, reduces work efficiency. Meanwhile, the design of some support rods lacks the humanization consideration, makes the operation process not enough smooth and convenient, poor practicality, therefore, the utility model discloses a support rod for the auxiliary staff of ship lock to solve the length of the auxiliary staff support rod for ship lock, the stability is insufficient and the problem of inconvenient operation. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a support rod for the auxiliary staff of ship lock to solve the length of the auxiliary staff support rod for ship lock, the stability is insufficient and the problem of inconvenient operation.

[0005] In order to achieve the above purpose, the utility model provides a support rod for the auxiliary staff of ship lock, including: the upper end surface middle part of bearing disc is installed with antiskid pad, the upper end surface of bearing disc and the periphery of antiskid pad are evenly arranged and installed with multiple groups of square groove mounting seat, the top one end of square groove mounting seat is installed with hinge, the hinge is also installed with movable plate, and the top surface of the end of movable plate away from hinge is installed with handle, and the lower end surface middle part of bearing disc is clamped and rotatably installed with connecting cylinder, and the lower part of connecting cylinder is installed with loading seat, the periphery of loading seat is evenly arranged and opened with multiple groups of installation recess, the inner wall of installation recess is installed with second rotating rod, and the first support rod is rotatably installed on second rotating rod.

[0006] Switch assembly, the switch assembly is arranged on the first support rod, and the switch assembly is used for locking the first support rod.

[0007] Fixed assembly, the fixed assembly is arranged at the bottom end of the first support rod, and the fixed assembly is used for adjusting the length of the whole auxiliary staff support rod.

[0008] Preferably, the middle of the bottom end of the first support rod is provided with a second support rod, the first support rod is internally provided with a circular groove with the same diameter as the second support rod at the position corresponding to the second support rod, the middle of the bottom end of the second support rod is provided with a third support rod, the second support rod is internally provided with a circular groove with the same diameter as the third support rod at the position corresponding to the third support rod, and the surfaces of the second support rod and the third support rod are uniformly and regularly provided with limiting holes, and the fixing assembly is fixed by cooperating with the limiting holes.

[0009] Preferably, the bottom end of the third support rod is provided with a mounting block, the inner wall of the mounting block is provided with a first rotating rod, the third support rod is provided with a hole with the same diameter as the first rotating rod at the position corresponding to the first rotating rod, the first rotating rod is rotatably installed at the bottom end of the third support rod through the hole, and the bottom end of the mounting block is provided with a supporting block, and the bottom surface of the supporting block is provided with an anti-skid rubber pad.

[0010] Preferably, the switch assembly comprises an upper limiting protrusion, the upper limiting protrusion is installed on the upper half of the first support rod, the lower half of the first support rod is provided with a lower limiting protrusion, one end of the first support rod close to the lower limiting protrusion is provided with a limiting ring, the outer wall of a plurality of first support rods is collectively provided with a limiting elastic sheet, one end of the limiting elastic sheet is provided with a first buckle, the limiting elastic sheet is provided with a second buckle at the position close to the first buckle, the other end of the limiting elastic sheet is provided with an anti-falling block, one end of the limiting elastic sheet provided with the anti-falling block is slidably installed in the first buckle and the second buckle, the first buckle is provided with a hole with the same length and width as the limiting elastic sheet at the position corresponding to the limiting elastic sheet, the second buckle is provided with a mounting square groove with a greater thickness than the limiting elastic sheet, the two end side walls of the mounting square groove are provided with grooves, the grooves are provided with guide columns, the guide columns are slidably provided with extrusion blocks, two groups of connecting columns are installed on the upper end surface of the extrusion blocks, the other ends of the connecting columns are slidably installed on the upper part of the second buckle, the second buckle is provided with a circular hole with the same diameter as the connecting columns at the position corresponding to the connecting columns, and two groups of connecting columns are collectively provided with an integrated block after passing through the circular hole, the middle of the integrated block is provided with a threaded hole, the threaded hole is provided with a third bolt, and the lower end of the third bolt abuts against the surface of the second buckle.

[0011] Preferably, the fixing assembly comprises an open fixing ring, two groups of first bolts are arranged on the side walls of the two ends of the open fixing ring, a circular hole with the same diameter as the first bolts is arranged on the open fixing ring at the positions corresponding to the first bolts, one end of the first bolt is provided with a first nut, a rectangular hole is arranged on the open fixing ring at the middle positions of the two groups of first bolts, a clamping block is slidably arranged in the hole, anti-falling protrusions are arranged at the two ends of the clamping block, a first threaded groove is arranged on the middle part of the clamping block and located between the two ends of the open fixing ring, a second bolt is arranged in the first threaded groove, a second nut is arranged at the top end of the second bolt, and the other end of the second bolt is arranged on the first supporting rod.

[0012] Preferably, a second threaded groove that is matched with the second bolt is arranged on the first supporting rod and the second supporting rod at the positions corresponding to the second bolt, and the size of the second threaded groove is the same as that of the limiting hole.

[0013] The utility model discloses the beneficial effect of:

[0014] By the design of the fixing assembly, such as the open fixing ring, the first bolt, the clamping block, the second bolt and the second nut, the support rod can be flexibly adjusted according to the actual depth and width of the ship lock. This design not only improves the applicability of the staff, but also enables the support rod to maintain the best working state in different environments, thereby improving the overall working efficiency. Whether it is a narrow ship lock channel or a wide water area, the support rod of the utility model can be adapted through simple adjustment without the need to replace support rods of different sizes, thereby reducing the use cost. The support rod adopts a multi-level design, such as the first support rod, the second support rod and the third support rod, each level provides additional support force, making the overall structure more stable. This design effectively prevents the support rod from bending or breaking during use, improving safety. The anti-slip pads on the bearing disc and the anti-slip rubber pads at the bottom of the support block greatly increase the friction with the ground or the ship lock wall, preventing the support rod from sliding or shifting during use. This not only improves the stability of the work, but also avoids potential safety hazards caused by the movement of the support rod. The switch assembly, such as the design including the upper limit block, the lower limit block, the limit ring, the limit spring, the first buckle and the second buckle, enables the support rod to be quickly and firmly locked after being adjusted to the required length. This design prevents the support rod from shaking or falling off due to external forces during use, further improving safety and stability. The design of the switch assembly makes the locking and unlocking operation of the support rod simple and fast. Users can adjust and lock the length of the support rod through simple operation without complex steps or tools. The structure and size design of the support rod fully considers the user's usage habits and comfort. For example, the handle design on the movable plate makes it easy for users to move the support rod; the square groove mounting seat and hinge design on the bearing disc provide more installation and adjustment options. Through the design of the limiting hole and the fixing assembly, users can intuitively see the length change of the support rod and adjust it at any time. This visual design not only improves the accuracy of the operation, but also enables users to more conveniently monitor the working state of the support rod. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.

[0016] Figure 1 It is a first perspective view of the utility model;

[0017] Figure 2 It is a second perspective view of the utility model;

[0018] Figure 3For the utility model Figure 2 Amplification structure schematic view at B place in the middle

[0019] Figure 4 For the utility model Figure 2 Amplification structure schematic view at B place in the middle

[0020] Figure 5 For the utility model part switch subassembly structure schematic view

[0021] Figure 6 For the utility model fixed subassembly structure schematic view

[0022] Figure 7 For the utility model strut base part structure amplification structure schematic view.

[0023] Marked as in the figure:

[0024] 1, bearing disc; 2, non-slip pad; 3, square recess mounting seat; 4, hinge; 5, movable plate; 6, first strut; 7, second strut; 8, third strut; 9, mounting block; 10, first rotating rod; 11, support block; 12, non-slip rubber pad; 13, lower limit bump; 14, limit ring; 15, limit hole; 16, opening fixed ring; 17, first bolt; 18, clamping block; 19, first nut; 20, second bolt; 21, second nut; 22, second rotating rod; 23, upper limit bump; 24, mounting recess; 25, limit spring piece; 26, first buckle; 27, second buckle; 28, anti-falling block; 29, installation square groove; 30, extrusion block; 31, guide column; 32, connecting column; 33, integrated block; 34, third bolt; 35, loading seat. Specific embodiments

[0025] In order to make the utility model's purpose, technical scheme and advantage more clear and obvious, the following is in combination with specific embodiments, and the utility model is further detailed.

[0026] It should be noted that, unless otherwise defined, technical terms or scientific terms used in the present application should be understood as the usual meaning understood by those skilled in the art to which the present application belongs. The "first", "second" and similar words used in the present application do not represent any order, quantity or importance, but are only used to distinguish different components. "Including" or "containing" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connected" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0027] The present application provides a kind of Figures 1 to 6The utility model provides an auxiliary staff's support rod for the boat lock for showing, include: the bearing disc 1, the middle part is installed with the antiskid pad 2 in the upper end surface of bearing disc 1, the upper end surface of bearing disc 1 and the even and whole line installation of antiskid pad 2 around is installed with multiple square recessed groove mounting seat 3, the top one end of square recessed groove mounting seat 3 is installed with the hinge 4, still has the movable plate 5 on the hinge 4, and the top surface of the movable plate 5 far from the one end of hinge 4 is installed with the handle, and the lower end surface of bearing disc 1 is hinged and is installed with the connecting cylinder in the middle part, and the lower of connecting cylinder is installed with the loading seat 35, and the even and whole line of loading seat 35 is provided with multiple installation recess 24, is installed with the second rotating rod 22 on the inner wall of installation recess 24, is hinged and is installed with the first support rod 6 on the second rotating rod 22, and the bottom end middle part of first support rod 6 is installed with the second support rod 7, and the inside of first support rod 6 is provided with the circular groove of the same diameter size with second support rod 7 in the position corresponding to second support rod 7, and the bottom end middle part of second support rod 7 is installed with the third support rod 8, and the inside of second support rod 7 is provided with the circular groove of the same diameter size with third support rod 8 in the position corresponding to third support rod 8, and the surface of second support rod 7 and third support rod 8 all even and whole line is provided with the limiting hole 15, and fixed assembly and limiting hole 15 are fixed with each other, and the bottom end of third support rod 8 is installed with the mounting block 9, and the inner wall of mounting block 9 is installed with the first rotating rod 10, and the bottom end of third support rod 8 is provided with the hole of the same diameter size with first rotating rod 10 in the position corresponding to first rotating rod 10, and first rotating rod 10 is hinged and is installed at the bottom end of third support rod 8 through the hole, and the bottom end of mounting block 9 is installed with the support block 11, and the bottom end surface of support block 11 is installed with the antiskid rubber pad 12; switch assembly, switch assembly is set up in first support rod 6, and switch assembly is used to lock first support rod 6; fixed assembly, fixed assembly is set up in the bottom end of first support rod 6, and fixed assembly is used to adjust the length of the overall auxiliary staff's support rod, through fixed assembly, such as open fixed ring 16, first bolt 17, clamping block 18, second bolt 20 and second nut 21, the support rod of the utility model can be flexibly adjusted according to the actual depth and width of boat lock. This design not only improves the applicability of staff, but also makes the support rod can keep the best working state in different environments, thereby improving the overall work efficiency. Whether it is narrow boat lock channel or wide water area, the support rod of the utility model can be adapted through simple adjustment, without replacing different size support rods, reducing the use cost. The support rod adopts multi-level design, such as first support rod 6, second support rod 7, third support rod 8, each layer provides additional support force, making the overall structure more stable. This design effectively prevents the bending or breaking of the support rod during use, improving safety. The antiskid pad 2 on the bearing disc 1 and the antiskid rubber pad 12 at the bottom end of the support block 11 greatly increase the friction with the ground or the boat lock wall, preventing the support rod from sliding or shifting during use. This not only improves the stability of the work, but also avoids potential safety hazards caused by the movement of the support rod.The switch assembly, such as the design including the upper limit bump 23, the lower limit bump 13, the limit ring 14, the limit spring 25, the first buckle 26, the second buckle 27, etc., allows the strut to be quickly and securely locked after being adjusted to the desired length. This design prevents the strut from shaking or falling off during use due to external forces, further improving safety and stability. The design of the switch assembly makes the locking and unlocking operation of the strut simple and fast. Users can adjust and lock the length of the strut through simple operation without complex steps or tools. The structure and size of the strut are designed considering the user's usage habits and comfort. For example, the handle design on the movable plate 5 allows users to easily move the strut; the square groove mounting seat 3 and hinge 4 design on the bearing disc 1 provide more installation and adjustment options. Through the design of the limiting hole 15 and the fixing assembly, users can intuitively see the length change of the strut and adjust it at any time. This visual design not only improves the accuracy of operation, but also allows users to more conveniently monitor the working state of the strut.

[0028] Further, in the present example, as Figure 2 , Figure 4 and Figure 5As shown, the switch assembly includes an upper limit bump 23 mounted on the upper half of the first support rod 6, and the lower half of the first support rod 6 is provided with a lower limit bump 13, and the end of the first support rod 6 close to the lower limit bump 13 is provided with a limit ring 14, the outer wall of the first support rod 6 is provided with a limit spring 25, one end of the limit spring 25 is provided with a first buckle 26, the position close to the first buckle 26 on the limit spring 25 is provided with a second buckle 27, and the other end of the limit spring 25 is provided with a falling prevention block 28, and the end of the limit spring 25 provided with the falling prevention block 28 is slidingly installed in the first buckle 26 and the second buckle 27, and the first buckle 26 is provided with a hole with the same length and width as the limit spring 25 at the position corresponding to the limit spring 25, the second buckle 27 is provided with an installation square groove 29 with a greater thickness than the limit spring 25, the both ends of the installation square groove 29 are provided with a groove, the groove is provided with a guide column 31, and the guide column 31 is slidingly provided with an extrusion block 30, and the both ends of the upper end surface of the extrusion block 30 are provided with two groups of connecting columns 32, the other end of the connecting column 32 is slidingly installed on the upper part of the second buckle 27, and the second buckle 27 is provided with a circular hole with the same diameter as the connecting column 32 at the position corresponding to the connecting column 32, and the two groups of connecting columns 32 are jointly provided with an integrated block 33 through the circular hole, and the middle part of the integrated block 33 is provided with a threaded hole, and the threaded hole is provided with a third bolt 34, and the lower end of the third bolt 34 abuts and is installed on the surface of the second buckle 27, when the support rod is in the initial state before use or adjustment, the limit spring 25 in the switch assembly is between the lower limit bump 13 and the limit ring 14, and the limit spring 25 is in the most contracted state, when the support rod needs to be opened, the third bolt 34 can be counterclockwise twisted, when the third bolt 34 is continuously rotated and moves the integrated block 33 towards the second buckle 27, at this time, the extrusion block 30 moves along the guide column 31 under the pushing of the connecting column 32, at this time, with the counterclockwise twisting of the third bolt 34, the extrusion block 30 continuously releases the extrusion force on the limit spring 25, until the limit spring 25 can freely move on the second buckle 27, at this time, the limit spring 25 can be moved out from between the lower limit bump 13 and the limit ring 14 and placed on one end of the upper limit bump 23, at this time, the support rod can be opened outward along the respective angles, and vice versa, the limit spring 25 can be contracted, when the support rod does not need to be used for auxiliary support, the support rod can be better stored and carried.

[0029] Further, in the present example, as shown in Figure 1 , Figure 3 and Figure 6As shown, the fixing assembly includes an open fixing ring 16, two groups of first bolts 17 are mounted on the sidewalls of the two ends of the open fixing ring 16, a circular hole with the same diameter as the first bolt 17 is formed on the open fixing ring 16 at a position corresponding to the first bolt 17, one end of the first bolt 17 is provided with a first nut 19, and a rectangular hole is formed on the open fixing ring 16 at a position corresponding to the middle of the two groups of first bolts 17, a clamping block 18 is slidably mounted in the hole, the two ends of the clamping block 18 are provided with anti-falling protrusions, a first threaded groove is formed in the middle of the clamping block 18 at a position corresponding to the middle of the two ends of the open fixing ring 16, a second bolt 20 is mounted in the first threaded groove, a second nut 21 is mounted on the top end of the second bolt 20, and the other end of the second bolt 20 is mounted on the first supporting rod 6. Second threaded grooves corresponding to the second bolt 20 are formed on the first supporting rod 6 and the second supporting rod 7, and the size of the second threaded groove is the same as that of the limiting hole 15. During the mounting of the supporting rod, the open fixing ring 16 is fixed on the first supporting rod 6 by the two groups of first bolts 17 and the first nuts 19. At the same time, the clamping block 18 is inserted into the rectangular hole on the open fixing ring 16, and is connected and locked with the other part of the supporting rod, i.e. the second supporting rod 7 or the third supporting rod 8, through the second bolt 20 and the second nut 21. When it is necessary to adjust the length of the supporting rod, the user first loosens the second nut 21, so that the second bolt 20 can freely rotate in the first threaded groove of the clamping block 18. And the end of the second bolt 20 close to the first supporting rod 6 is removed from the limiting hole 15 on the second supporting rod 7 and the third supporting rod 8, so that the length of the second supporting rod 7 and the third supporting rod 8 can be adjusted. When the supporting rod is adjusted to the required length, the user rotates the second bolt 20 and tightens it in the corresponding second threaded groove on the supporting rod and aligns with the limiting hole 15 formed on the second supporting rod 7 and the third supporting rod 8, so as to fix the new length of the supporting rod. At this time, the threads of the second bolt 20 are closely matched with the second threaded groove on the supporting rod, preventing the supporting rod from moving or deforming when subjected to external force. The clamping block 18 in the fixing assembly is designed with anti-falling protrusions, which ensures the stability of the clamping block 18 in the open fixing ring 16. At the same time, the close match of the second bolt 20 and the second nut 21 also increases the stability and safety of the supporting rod after adjustment.

[0030] Those of ordinary skill in the art will understand that the above discussion of any embodiment is only exemplary and is not intended to limit the scope of the present application (including claims) to these examples; under the idea of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above. In order to be brief, they are not provided in details.

[0031] The present application is intended to cover all such alternatives, modifications, and variations that fall within the broad scope of the appended claims. Accordingly, any and all such alternations, modifications, equivalents, improvements and the like are intended to be encompassed by the present application.

Claims

1. A strut for assisting the guide rod in a ship lock, characterized in that, include: A support plate (1) is provided with an anti-slip pad (2) installed in the middle of the upper end face of the support plate (1). Multiple sets of square groove mounting seats (3) are evenly arranged around the upper end face of the support plate (1) and the anti-slip pad (2). A hinge (4) is installed at one end of the top of the square groove mounting seat (3). A movable plate (5) is also installed on the hinge (4). A handle is installed on the top surface of the movable plate (5) away from the hinge (4). A connecting cylinder is engaged and rotatably installed in the middle of the lower end face of the support plate (1). A loading seat (35) is installed below the connecting cylinder. Multiple sets of mounting grooves (24) are evenly arranged around the loading seat (35). A second rotating rod (22) is installed on the inner wall of the mounting groove (24). A first support rod (6) is rotatably installed on the second rotating rod (22). A switch assembly is disposed on the first support rod (6) and is used to lock the first support rod (6). A fixing component is provided at the bottom end of the first support rod (6), and the fixing component is used to adjust the overall length of the support rod of the auxiliary guide ruler.

2. The support rod for auxiliary guide rods in a lock according to claim 1, characterized in that, A second support rod (7) is installed at the middle of the bottom end of the first support rod (6). A circular groove with the same diameter as the second support rod (7) is opened inside the first support rod (6) at the position corresponding to the second support rod (7). A third support rod (8) is installed at the middle of the bottom end of the second support rod (7). A circular groove with the same diameter as the third support rod (8) is opened inside the second support rod (7) at the position corresponding to the third support rod (8). Limiting holes (15) are evenly arranged on the surfaces of the second support rod (7) and the third support rod (8). The fixing component cooperates with the limiting holes (15) to fix it.

3. A strut for assisting the guide rod in a lock according to claim 2, characterized in that, The bottom end of the third support rod (8) is equipped with an installation block (9), and the inner wall of the installation block (9) is equipped with a first rotating rod (10). The third support rod (8) has a hole with the same diameter as the first rotating rod (10) at the position corresponding to the first rotating rod (10). The first rotating rod (10) is rotatably installed at the bottom end of the third support rod (8) through the hole. The bottom end of the installation block (9) is equipped with a support block (11), and the bottom surface of the support block (11) is equipped with an anti-slip rubber pad (12).

4. A strut for assisting the guide rod in a lock according to claim 1, characterized in that, The switch assembly includes an upper limit protrusion (23), which is installed on the upper half of the first support rod (6), and a lower limit protrusion (13) is installed on the lower half of the first support rod (6). A limit ring (14) is installed on one end of the first support rod (6) near the lower limit protrusion (13). A limit spring (25) is installed on the outer wall of multiple sets of the first support rods (6). A first buckle (26) is installed on one end of the limit spring (25), and a second buckle (27) is installed on the limit spring (25) near the first buckle (26). An anti-falling block (28) is installed on the other end of the limit spring (25), and the end of the limit spring (25) with the anti-falling block (28) is slidably installed on the first buckle (27). 6) and the second buckle (27), and the first buckle (26) has a hole with the same length and width as the limiting spring (25) at the position corresponding to the limiting spring (25), the second buckle (27) has an installation square groove (29) with a thickness larger than the limiting spring (25), the two end side walls of the installation square groove (29) have grooves, the grooves are installed with guide posts (31), and the guide posts (31) are slidably installed with extrusion blocks (30), and the two ends of the upper surface of the extrusion blocks (30) are installed with two sets of connecting posts (32), the other end of the connecting posts (32) is slidably installed on the upper part of the second buckle (27), and the second buckle (27) has a hole with a diameter of the same as the connecting post (32) at the position corresponding to the connecting post (32). The two sets of connecting columns (32) are connected by the same round hole and are installed together with an integrated block (33). The integrated block (33) has a threaded hole in the middle and a third bolt (34) is installed in the threaded hole. The lower end of the third bolt (34) is abutted against the surface of the second buckle (27).

5. A strut for assisting the guide rod in a lock according to claim 2, characterized in that, The fixing component includes an open fixing ring (16), with two sets of first bolts (17) installed on the side walls of both ends of the open fixing ring (16). The open fixing ring (16) has a circular hole with the same diameter as the first bolt (17) at the position corresponding to the first bolt (17). A first nut (19) is installed at one end of the first bolt (17). A rectangular hole is opened in the middle of the two sets of first bolts (17) on the open fixing ring (16). A locking block (18) is slidably installed in the hole. Both ends of the locking block (18) are provided with anti-dislodgement protrusions. A first threaded groove is opened in the middle part of the locking block (18) located between the two ends of the open fixing ring (16). A second bolt (20) is installed in the first threaded groove. A second nut (21) is installed at the top of the second bolt (20). The other end of the second bolt (20) is installed on the first support rod (6).

6. A strut for assisting the guide rod in a lock according to claim 5, characterized in that, The first support rod (6) and the second support rod (7) are provided with a second threaded groove that matches the second bolt (20) at the position corresponding to the second bolt (20). The second threaded groove has the same size as the limiting hole (15).

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