Round-link chain with anti-falling rings

Abstract

According to the technical scheme, the round-link chain is characterized in that the round-link chain comprises two main bodies, first round holes are formed in the outer circle walls of the two main bodies respectively, fixing sleeves are fixedly installed on the outer circle walls of the two main bodies respectively, and second round holes are formed in the outer circle walls of the two fixing sleeves respectively; the anti-falling assembly is arranged between the two fixing sleeves and used for preventing the circular ring from falling off, the two main bodies are arranged to serve as main bearing parts of the circular ring chain, and the stability of the main bodies is enhanced through installation of the fixing sleeves, so that the structural integrity of the circular ring chain can be kept when the circular ring chain is stressed; the arrangement of the anti-falling assembly is the core highlight of the round-link chain design, and the round-link chain is effectively prevented from falling off due to uneven stress or external factors in the using process, so that the safety and the reliability of the chain are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a technology field of anti -drop ring, concretely relates to a round link chain with anti -drop ring. BACKGROUND

[0002] Round link chain is generally metal chain ring or annular, is used for mechanical transmission, traction, and is mainly used for coal mine scraper conveyor, coal plough, drum coal mining machine and other mechanical traction chain, etc., these equipment plays a vital role in coal mine and other industrial environment, therefore, the quality and reliability of round link chain is very important, however, the traditional round link chain has some problems in the use process, such as easy to fall off, easy to damage, etc., these problems seriously affect the normal operation and production efficiency of equipment;

[0003] According to the patent with the announcement number CN220337379U, a kind of flat link ring with anti -drop ring structure for round link chain, it relates to flat link ring technical field, the flat link ring with anti -drop ring structure for round link chain, including buckle ring and connecting block, the number of buckle ring is two, connecting block is located between two buckle rings, the front and rear sides of connecting block are all provided with side tooth block A, two side tooth block A are respectively fixedly connected with two buckle rings, two side tooth block B are provided between two side tooth block A, two side tooth block B are respectively fixedly connected with two buckle rings, connecting block is located between two side tooth block B, the flat link ring with anti -drop ring structure for round link chain, by setting through rod, plug shaft, worm, control groove and worm, torsion spring has the plug shaft at control groove long diameter, make through rod stable in side tooth block A and side tooth block B, solve the problem that bolt rod will gradually loosen when being subjected to vibration, long time vibration can occur the phenomenon of ring drop-off;

[0004] In the above scheme, the overall structure is relatively complex, which not only increases the manufacturing cost, but also may increase the fault point and maintenance difficulty, due to the complex structure, the assembly, disassembly and maintenance of the link ring may be relatively difficult, especially when emergency repair or replacement of parts is needed, the complex structure may delay the time. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a round link chain with anti -drop ring, which solves the problems mentioned in the background art.

[0006] The above technical purpose of the utility model is realized by the following technical scheme:

[0007] A round link chain with anti -drop ring, comprising: two main bodies, a first circular hole is formed in the outer circular wall of each of the two main bodies, a fixed sleeve is fixedly installed on the outer circular wall of each of the two main bodies, and a second circular hole is formed in the outer circular wall of each of the two fixed sleeves; an anti -drop assembly is arranged between the two fixed sleeves and is used to prevent the round link from falling off.

[0008] By adopting the above technical scheme, by setting two main bodies as the main bearing part of the round link chain, the installation of the fixing sleeve enhances the stability of the main body, so that the round link chain can maintain the integrity of the structure under stress, and the setting of the anti-falling assembly is the core highlight of this round link chain design, which effectively prevents the round link chain from falling off due to uneven stress or external factors during use, thereby improving the safety and reliability of the chain.

[0009] Preferably, the anti-falling assembly comprises a connecting block arranged between the two fixing sleeves, a circular insertion hole is formed on both sides of the connecting block, a third circular hole is formed on the top of the connecting block, an inner thread is arranged on the inner circular wall of the third circular hole, a rectangular slot is formed in the interior of the connecting block, the rectangular slot is in communication with the circular insertion hole, and a moving slot is formed in the bottom of the rectangular slot.

[0010] By adopting the above technical scheme, by setting the connecting block between the two fixing sleeves, it plays the role of bridge and support, making the connection between the two main bodies more stable, the design of the circular insertion hole allows other components to pass through, thereby achieving firm connection between the connecting block and the fixing sleeve, the rectangular slot is in communication with the circular insertion hole, providing convenience for installation and disassembly, at the same time, the design of the rectangular slot also allows certain components to move inside it, thereby achieving a specific function, and the provision of the moving slot further enhances the flexibility of the rectangular slot, so that certain components can move in a specific direction inside the slot to adapt to different working requirements.

[0011] Preferably, the anti-falling assembly further comprises two moving blocks, the two moving blocks are movably sleeved in the interior of the rectangular slot, an insertion rod is fixedly installed on one side of each of the two moving blocks, the insertion rod is movably sleeved with the circular insertion hole, a threaded groove is formed on the outer circular wall of each of the two insertion rods, a sliding block is fixedly installed on the bottom surface of each of the two moving blocks, and a spring is fixedly installed between the two sliding blocks.

[0012] By adopting the above technical scheme, by setting the insertion rod to be movably sleeved in the circular insertion hole, this design allows the insertion rod to be inserted into the circular insertion hole when needed, thereby locking the relative position between the connecting block and the fixing sleeve to prevent the round link chain from falling off, and the two moving blocks are movably sleeved in the interior of the rectangular slot, which allows the moving blocks to move in a specific direction inside the rectangular slot, while the limiting effect of the rectangular slot on the moving blocks ensures that the moving blocks will not deviate from the track during movement, thereby ensuring the stability of the structure, and the spring is used to allow the moving blocks to retract by means of the spring's elastic force.

[0013] Preferably, the anti-disengagement assembly further comprises the push plate movably sleeved in the rectangular groove, a placement groove is formed in the top surface of the push plate, a bearing is fixedly installed in the placement groove, a push rod is fixedly installed on the inner circular wall of the inner ring of the bearing, the push rod is movably sleeved with the third circular hole, external threads are arranged on the outer circular wall of the push rod, the external threads are threadedly connected with the internal threads, and a limiting block is fixedly installed on the top of the push rod.

[0014] By adopting the above technical scheme, the push plate is arranged to control the movement of the moving block, the moving block moves in the opposite direction when the push plate moves upward, and the moving block moves in the opposite direction when the push plate moves downward, the push rod is a main tool for controlling the movement of the push plate, the push rod controls the push plate by moving upward and downward, and the bearing is arranged to enable the internal threads and the external threads to better rotate in the threads, and the connection of the internal threads and the external threads better ensures the stability of the anti-disengagement assembly.

[0015] Preferably, the first circular hole is aligned with the second circular hole, and the insertion rod penetrates through the second circular hole and is movably sleeved with the first circular hole.

[0016] By adopting the above technical scheme, the alignment of the first circular hole and the second circular hole provides a straight channel for the insertion rod, enabling the insertion rod to smoothly penetrate and connect the two main bodies, and this design enhances the connection strength between the connecting block and the fixing sleeve, making the structure of the entire circular chain more stable, and similarly, this design is also convenient for disassembly and maintenance, when the circular chain needs to be replaced or repaired, the user can easily pull out the insertion rod to disassemble the circular chain into single components, thereby facilitating subsequent operations.

[0017] Preferably, second threaded holes are formed in the outer circular walls of the two main bodies respectively, the second threaded holes are in communication with the first circular hole, first threaded holes are formed in the outer circular walls of the two fixing sleeves respectively, internal threads of the two first threaded holes are threadedly connected with bolts respectively, the bolts are threadedly connected with the second threaded holes, and the bolts are threadedly connected with the threaded grooves.

[0018] By adopting the above technical scheme, the bolts are not only connected with the fixing sleeve through the first threaded holes, but also connected with the main bodies through the second threaded holes, and cooperated with the threaded grooves on the insertion rod, and this multiple threaded connection design greatly enhances the stability of the structure, making the entire anti-disengagement assembly more firm and reliable, the threaded connection itself has self-locking property, which can prevent the bolts from loosening due to vibration or external force to a certain extent, and in addition, by adjusting the tightening degree of the bolts, the anti-disengagement effect can be further enhanced to ensure the stability of the anti-disengagement assembly during long-term use.

[0019] In summary, the utility model mainly has the following beneficial effects:

[0020] The core of the design is the anti-falling assembly which effectively prevents the chain from falling off and improves the safety and reliability, the connecting block is arranged between the two fixing sleeves and plays a role of bridge and support, through the design of the circular insertion hole and the rectangular groove, firm connection with other components is realized and the convenience of installation and disassembly is provided, the moving groove enhances the flexibility of the rectangular groove and adapts to different working requirements, the insertion rod is movably arranged in the circular insertion hole, the position of the connecting block and the fixing sleeve is locked, the moving block moves in the rectangular groove and the structure is stable, the spring provides the insertion rod with contraction ability, the push plate controls the moving block to move through the push rod, the stable anti-falling assembly is ensured through the rotary connection of the bearing and the inner and outer threads, the alignment design of the first circular hole and the second circular hole provides a straight channel for the insertion rod, enhances the connection strength, facilitates disassembly and maintenance, the bolt is connected through multiple threads, the structure stability is greatly enhanced, has self-locking property, prevents loosening and ensures the stability during long-term use. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a three-dimensional structure schematic diagram of the utility model;

[0022] Figure 2 is a main body split structure schematic diagram of the utility model;

[0023] Figure 3 is an anti-falling assembly cross-section structure schematic diagram of the utility model;

[0024] Figure 4 is a push rod structure schematic diagram of the utility model.

[0025] Sign significance: 1, main body; 2, fixed sleeve; 3, connecting block; 4, first circular hole; 5, second circular hole; 6, first threaded hole; 7, bolt; 8, second threaded hole; 9, circular insertion hole; 10, rectangular groove; 11, moving groove; 12, moving block; 13, sliding block; 14, insertion rod; 15, threaded groove; 16, spring; 17, third circular hole; 18, inner thread; 19, push plate; 20, placing groove; 21, bearing; 22, push rod; 23, outer thread; 24, limiting block. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] Reference Figure 1 ,Figure 2 and Figure 3 The application discloses a round-link chain with a falling-prevention ring, which comprises two main bodies 1, first round holes 4 are formed in the outer walls of the two main bodies 1 respectively, fixing sleeves 2 are fixedly installed on the outer walls of the two main bodies 1 respectively, second round holes 5 are formed in the outer walls of the two fixing sleeves 2 respectively, and a falling-prevention assembly is arranged between the two fixing sleeves 2 and used for preventing the round-link chain from falling off. The two main bodies 1 are used as the main bearing parts of the round-link chain, the fixing sleeves 2 are installed to enhance the stability of the main bodies 1, the round-link chain can keep the integrity of the structure under stress, the falling-prevention assembly is the core of the design of the round-link chain, the falling-prevention assembly effectively prevents the round-link chain from falling off due to uneven stress or external factors during use, and the safety and reliability of the chain are improved. The falling-prevention assembly comprises a connecting block 3, circular insertion holes 9 are formed in the two sides of the connecting block 3 respectively, a third round hole 17 is formed in the top of the connecting block 3, internal threads 18 are arranged on the inner wall of the third round hole 17, a rectangular groove 10 is formed in the inside of the connecting block 3, the rectangular groove 10 is in communication with the circular insertion holes 9, a moving groove 11 is formed in the bottom of the rectangular groove 10, the rectangular groove 10 is in communication with the third round hole 17, the connecting block 3 is arranged between the two fixing sleeves 2, and the connecting block 3 plays the role of a bridge and support, so that the connection between the two main bodies 1 is more stable, the design of the circular insertion holes 9 allows other components to pass through, so that the connecting block 3 and the fixing sleeves 2 are firmly connected, the rectangular groove 10 is in communication with the circular insertion holes 9, and convenience is provided for installation and disassembly. Meanwhile, the design of the rectangular groove 10 also allows some components to move in the inside of the rectangular groove 10, so that specific functions are realized, the moving groove 11 is further arranged, the flexibility of the rectangular groove 10 is further enhanced, so that some components can move in the groove along a specific direction to adapt to different working requirements. The falling-prevention assembly further comprises two moving blocks 12, the two moving blocks 12 are movably sleeved in the inside of the rectangular groove 10, plug rods 14 are fixedly installed on the one side of the two moving blocks 12 respectively, the plug rods 14 are movably sleeved with the circular insertion holes 9, threaded grooves 15 are formed in the outer walls of the two plug rods 14 respectively, sliding blocks 13 are fixedly installed on the bottom surfaces of the two moving blocks 12 respectively, and springs 16 are fixedly installed between the two sliding blocks 13. The plug rods 14 can be movably sleeved in the circular insertion holes 9, the design allows the plug rods 14 to be inserted into the circular insertion holes 9 when needed, so that the relative positions between the connecting block 3 and the fixing sleeves 2 are locked, and the round-link chain is prevented from falling off. The two moving blocks 12 are movably sleeved in the inside of the rectangular groove 10, the design allows the moving blocks 12 to move in the rectangular groove 10 along a specific direction, meanwhile, the limitation of the rectangular groove 10 on the moving blocks 12 makes the moving blocks 12 not deviate from the track during movement, so that the stability of the structure is ensured. The spring 16 is used for enabling the moving blocks 12 to have the contraction ability of the plug rods 14 by means of the rebound force of the spring 16.

[0028] Reference Figure 2 、 Figure 3 and Figure 4 , the anti-off assembly further comprises: the push plate 19 movably sleeved in the rectangular groove 10, the top surface of the push plate 19 is provided with a placing groove 20, the inner ring of the bearing 21 fixedly installed in the placing groove 20, the outer circular wall of the push rod 22 fixedly installed on the inner ring of the bearing 21, the push rod 22 movably sleeved with the third circular hole 17, the outer thread 23 provided on the outer circular wall of the push rod 22, the outer thread 23 is in threaded connection with the inner thread 18, the limit block 24 fixedly installed on the top of the push rod 22, the push plate 19 is arranged to control the movement of the moving block 12, when the push plate 19 moves upward, the moving block 12 moves oppositely, when the push plate 19 moves downward, the moving block 12 moves oppositely, the push rod 22 is the main tool for controlling the movement of the push plate 19, the push plate 19 is controlled by the up-down movement of the push rod 22, and the bearing 21 is arranged to better rotate the threads of the inner thread 18 and the outer thread 23, and the connection of the inner thread 18 and the outer thread 23 better guarantees the stability of the anti-off assembly, the first circular hole 4 is aligned with the second circular hole 5, the insertion rod 14 penetrates through the second circular hole 5 and movably sleeves with the first circular hole 4, the alignment of the first circular hole 4 and the second circular hole 5 provides a straight channel for the insertion rod 14, so that the insertion rod 14 can smoothly penetrate and connect the two main bodies 1, this design enhances the connection strength between the connecting block 3 and the fixed sleeve 2, and makes the structure of the whole circular chain more stable, similarly, this design is also convenient for disassembly and maintenance, when the circular chain needs to be replaced or repaired, the user can easily pull out the insertion rod 14 to divide the circular chain into single components, so that subsequent operations are facilitated, the outer circular wall of the two main bodies 1 is respectively provided with a second threaded hole 8, the second threaded hole 8 penetrates through the first circular hole 4, the outer circular wall of the two fixed sleeves 2 is respectively provided with a first threaded hole 6, the inner part of the two first threaded holes 6 is respectively in threaded connection with a bolt 7, the bolt 7 is in threaded connection with the second threaded hole 8, the bolt 7 is in threaded connection with the threaded groove 15, the bolt 7 is not only connected with the fixed sleeve 2 through the first threaded hole 6, but also connected with the main body 1 through the second threaded hole 8, and cooperates with the threaded groove 15 on the insertion rod 14, this multiple threaded connection design greatly enhances the stability of the structure, makes the whole anti-off assembly more firm and reliable, the threaded connection itself has self-locking property, can prevent the bolt 7 from loosening due to vibration or external force to a certain extent, in addition, by adjusting the tightening degree of the bolt 7, the anti-off effect can be further enhanced, and the stability of the anti-off assembly in the long-term use process is ensured.

[0029] Working principle: please refer to Figures 1-4As shown, in use, the round link is sleeved on the two main bodies 1, then the circular insertion hole 9 is aligned with the second circular hole 5, then the push rod 22 is pressed, the push rod 22 drives the push plate 19 to move downward, at this time the push plate 19 moves the two moving blocks 12 relatively, the insertion rod 14 penetrates through the circular insertion hole 9 to the inside of the first circular hole 4, then the internal thread 18 is connected with the external thread 23, the whole device is more stable, the bolt 7 penetrates through the first threaded hole 6 and the second threaded hole 8 and is connected with the threaded groove 15, the multiple threaded connection greatly enhances the stability of the structure, makes the whole anti-off assembly more firm and reliable, in this way the two main bodies 1 and the connecting block 3 can be firmly fixed together, even if the push rod 22 is accidentally broken, it will not affect the whole device, when it is necessary to change, only the bolt 7 and the push rod 22 are taken out, in this way the two moving blocks 12 will take out the insertion rod 14 from the inside of the first circular hole 4 and the second circular hole 5 under the action of the rebound force of the spring 16.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A round link chain having a breakage prevention ring, characterized by, The utility model relates to a circular ring fixing device, including: Two main bodies (1), the outer circular wall of two main bodies (1) is equipped with first round hole (4) respectively, the outer circular wall of two main bodies (1) is fixedly installed with fixed sleeve (2) respectively, the outer circular wall of two fixed sleeve (2) is equipped with second round hole (5) respectively; Anti -drop subassembly, anti -drop subassembly set up between two fixed sleeve (2), be used for preventing the circular ring from falling off.

2. A round link chain having a breakage prevention ring according to claim 1, wherein The utility model relates to a circular ring fixing device, including: Connecting block (3), connecting block (3) are equipped with round jack (9) respectively on both sides between two fixed sleeve (2), the top of connecting block (3) is equipped with third round hole (17), the inner circular wall of third round hole (17) is equipped with internal thread (18), the inside of connecting block (3) is equipped with rectangular groove (10), rectangular groove (10) with round jack (9) are through, the bottom of rectangular groove (10) is equipped with moving groove (11), rectangular groove (10) with third round hole (17) are through.

3. The round-link chain having a detaching prevention ring according to claim 2, wherein The utility model relates to a circular ring fixing device, including: Two moving blocks (12), two moving blocks (12) are movably sleeved in the inside of rectangular groove (10), one side of two moving blocks (12) is fixedly installed with insertion rod (14) respectively, insertion rod (14) with round jack (9) movably sleeve, the outer circular wall of two insertion rod (14) is equipped with thread groove (15) respectively, the bottom surface of two moving blocks (12) is fixedly installed with sliding block (13) respectively, two sliding blocks (13) between fixedly installed with spring (16).

4. The round-link chain having a detaching prevention ring according to claim 3, wherein The utility model relates to a circular ring fixing device, including: Push -back (19), push -back (19) movably sleeve in the inside of rectangular groove (10), the top surface of push -back (19) is equipped with placing groove (20), the inside of placing groove (20) is fixedly installed with bearing (21), the inner ring of bearing (21) is fixedly installed with push rod (22) on the inner circular wall, push rod (22) with third round hole (17) movably sleeve, the outer circular wall of push rod (22) is equipped with outer thread (23), outer thread (23) with internal thread (18) is connected in screw thread, the top of push rod (22) is fixedly installed with limit block (24).

5. The round-link chain having a detaching prevention ring according to claim 4, wherein The utility model relates to a circular ring fixing device, including:

6. The round link chain having a detaching prevention ring according to claim 1, wherein The first round hole (4) is aligned with the second round hole (5), the insertion rod (14) penetrates the second round hole (5) and is movably sleeved with the first round hole (4). The outer circular wall of two main bodies (1) is equipped with second screw hole (8) respectively, second screw hole (8) with first round hole (4) are through, the outer circular wall of two fixed sleeve (2) is equipped with first screw hole (6) respectively, the inside of two first screw hole (6) is connected with bolt (7) respectively in screw thread, bolt (7) with second screw hole (8) is connected in screw thread, bolt (7) with thread groove (15) is connected in screw thread.

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