Coupling capable of being disassembled quickly

Abstract

The invention relates to the technical field of couplings, and discloses a quick-disassembly coupler which comprises two symmetrically-arranged shaft sleeve parts and a transmission shaft, a connecting sleeve is fixedly connected to one side of each shaft sleeve part, and a connecting flange is fixedly connected to the side, away from the corresponding shaft sleeve part, of each connecting sleeve; a bolt part is fixedly mounted on the outer side of the connecting flange on one side, a nut part is fixedly mounted on the outer side of the connecting flange on the other side, a reinforcing assembly is arranged on the outer side of the connecting sleeve, a mounting assembly is arranged on the inner side of the connecting sleeve, and the reinforcing assembly comprises a fixing ring and a pressing ring; the reinforcing assembly further comprises a pressing unit and a warning unit, the pressing unit comprises sliding rods installed on the outer side of the fixing ring in an array sliding mode, and the problems that when a bolt is loosened in the rotating process of the coupler, an operator cannot find the bolt in time conveniently, the overhauling efficiency of the coupler is reduced, and the coupler is easier to damage are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of couplings, and particularly to a coupling that can be quickly disassembled. Background Art

[0002] A coupling refers to a device that connects two shafts or a shaft and a rotating part, rotates together during the transmission of motion and power, and does not disengage under normal circumstances. Sometimes it also serves as a safety device to prevent the connected machine parts from bearing excessive loads and plays an overload protection role.

[0003] For example, a coupling that is convenient for quick disassembly with the publication number CN215257443U includes a first adapter sleeve shaft and a second adapter sleeve shaft. Transmission ring shafts are provided at one ends of the first adapter sleeve shaft and the second adapter sleeve shaft. Extension limit grooves are provided at both ends inside the inner adapter groove, and a stretching locking groove is provided at one end of the inner adapter groove, and the stretching locking groove is set in an L-shaped structure. When used in combination, the transmission shaft is aligned and inserted into the extension limit groove inside the inner adapter groove. When the transmission shaft enters the inside of the adapter sleeve shaft and continues to extend for a certain distance, then the transmission shaft is rotated so that the lock block that was previously combined with the extension limit groove enters the stretching locking groove, and then the transmission shaft is pulled back so that the lock block completely enters the stretching locking groove, and finally it is rotated along the groove of the L-shaped structure, thereby completing the installation between the transmission shaft and the coupling. There is no need to fix it with bolts, which improves the installation efficiency and avoids the wear of the connecting parts. However, during the operation of the equipment, if the bolts do not reach sufficient pre-tightening force when initially tightened, or the pre-tightening force decreases due to vibration or impact loads during operation, the bolts will loosen, thus affecting the fastening effect of the bolts and the use stability of the coupling. Therefore, it is necessary to regularly check the bolt fastening condition of the coupling to timely discover problems and take corresponding measures. When the bolts of the coupling loosen during rotation, it is not convenient for the operator to discover in time, which reduces the maintenance efficiency of the coupling and also makes the coupling more likely to be damaged, having certain limitations. Moreover, the existing installation method of the transmission shaft and the coupling through bolts is not convenient for the convenient disassembly of the transmission shaft. Therefore, a coupling that can be quickly disassembled is proposed to solve the above-mentioned problems. Summary of the Invention

[0004] The purpose of the present invention is to provide a coupling that can be quickly disassembled to solve the problem that when the bolts of the coupling loosen during rotation, it is not convenient for the operator to discover in time, which reduces the maintenance efficiency of the coupling and also makes the coupling more likely to be damaged.

[0005] To achieve the above object, the present invention provides the following technical solution: A quick-disassembly coupling, including two symmetrically arranged bushing parts and a transmission shaft. One side of the bushing part is fixedly connected with a connecting sleeve, and the side of the connecting sleeve away from the bushing part is fixedly connected with a connecting flange. A bolt part is fixedly installed on the outside of one connecting flange, and a nut part is fixedly installed on the outside of the other connecting flange; It further includes: A reinforcement assembly is arranged on the outside of the connecting sleeve, and an installation assembly is arranged on the inside of the connecting sleeve. The reinforcement assembly includes a fixing ring and a pressing ring; The reinforcement assembly further includes a pressing unit and a warning unit. The pressing unit includes sliding rods arrayed and installed on the outside of the fixing ring, and a cross bar is fixedly connected to the side of the pressing ring close to the fixing ring; The warning unit includes contact discs symmetrically slidingly installed inside the pressing ring. One side of the contact disc is connected with a contact head two. A connecting plate is fixedly installed on the outside of the cross bar, and an indicator light and a contact head one are fixedly installed on the outside of the connecting plate. When the contact disc drives the contact head two to contact the contact head one, the indicator light lights up for warning to warn the operator.

[0006] Preferably, the fixing ring is fixedly installed on the outside of one side of the connecting sleeve, the pressing ring is slidably connected with the connecting sleeve. Fixed blocks are fixedly connected to the outside of the fixing ring in an array. The number of the fixed blocks and the sliding rods is the same as that of the bolt part and the nut part, and is not less than four. The cross bar is slidably connected with the fixed block. One end of the cross bar close to the sliding rod is provided with an inclined surface, and the sliding rod abuts against the inclined surface of the cross bar.

[0007] By adopting the above technical solution, the contact disc presses the bolt part or the nut part, reducing the loosening of the bolt part or the nut part. When the bolt part or the nut part becomes loose and unstable subsequently, the bolt part or the nut part will squeeze the contact disc, and the indicator light at the loosening position of the bolt part or the nut part lights up for warning.

[0008] Preferably, a first spring is sleeved on the outside of the cross bar. Two ends of the first spring are respectively fixedly connected with the fixed block and the pressing ring. Vertical grooves are symmetrically opened on the outside of the fixing ring. A second spring is fixedly connected to the inner bottom surface of the vertical groove. One end of the second spring is fixedly connected with the sliding rod.

[0009] By adopting the above technical solution, the sliding rod pushes the cross bar and the pressing ring to move, and the pressing ring will stretch the first spring.

[0010] Preferably, the sliding rod is slidably connected with the vertical groove. The position of the contact head one is flush with the contact head two. Chutes are symmetrically opened inside the pressing ring. The number of the chutes is the same as that of the sliding rods. A fixing ring is fixedly connected to one side inside the chute.

[0011] By adopting the above technical solution, the bolt part or the nut part presses against the contact disc, the contact disc slides into the chute and presses against the third spring, and the contact disc drives the second contact head to move.

[0012] Preferably, two third springs are symmetrically installed between the fixing ring and the contact disc. The two ends of the third spring are respectively fixedly connected to the fixing ring and the contact disc. A slide bar is fixedly installed between the contact disc and the second contact head. The slide bar passes through the center of the fixing ring, and the slide bar is slidably connected to the fixing ring. A cushion block is fixedly connected to the side of the pressing ring away from the fixing ring.

[0013] By adopting the above technical solution, when the second contact head contacts the first contact head, the indicator light is lit. Thus, during the rotation process, it is convenient to see that the indicator light at the loosening position of the bolt part or the nut part is lit, facilitating the operator to timely discover the situation where the connection of the bolt part or the nut part is unstable.

[0014] Preferably, the installation assembly includes strip-shaped grooves symmetrically opened on the inner wall of the sleeve part. The outer ends of the transmission shaft are symmetrically and fixedly connected with clamping blocks. The number of the clamping blocks is not less than three. The clamping blocks are slidably connected with the strip-shaped grooves. The inner wall of the connecting sleeve is symmetrically provided with clamping grooves near the sleeve part. The clamping blocks are snap-fitted with the clamping grooves. The inner wall of the connecting sleeve is symmetrically and fixedly connected with two connecting blocks. One side of the connecting block close to the sleeve part is fixedly connected with a fourth spring. The other ends of the two fourth springs away from the connecting blocks are fixedly connected with the same limiting disc.

[0015] By adopting the above technical solution, align the clamping blocks on the transmission shaft with the positions of the strip-shaped grooves, slide the transmission shaft into the interior of the sleeve part until the clamping blocks slide out from the ends of the strip-shaped grooves. At this time, rotate the transmission shaft by 45 degrees. The transmission shaft drives the clamping blocks to rotate to the positions of the clamping grooves, and then pull back the transmission shaft. The transmission shaft will drive the clamping blocks to be snapped into the clamping grooves.

[0016] Preferably, the limiting disc is slidably connected with the inner wall of the connecting sleeve. The inner wall of the connecting flange is symmetrically and fixedly connected with connecting rods. The middle part of the outer side of the connecting rod is fixedly connected with a fixing strip. One end of the fixing strip is fixedly connected with a fifth spring. The other end of the fifth spring away from the fixing strip is fixedly connected with a sleeve ring. The sleeve ring is slidably sleeved on the outer side of the connecting rod.

[0017] By adopting the above technical solution, the approaching of the two connecting flanges will drive the connecting rod to move, so that the connecting rod drives the fifth spring and the sleeve ring to move.

[0018] Preferably, the end of the fixing strip away from the connecting rod is fixedly connected with a piston rod. The inner side of the limiting disc is symmetrically provided with air channels. The piston rod fits with the inner wall of the sleeve and is slidably connected with the sleeve. The sleeve is communicated with the air channels.

[0019] By adopting the above technical solution, the connecting rod drives the piston rod to insert into the sleeve, and the collar will push the limit disc to move, so that the limit disc presses against the end face of the transmission shaft.

[0020] Preferably, a one-way intake valve and a one-way exhaust valve are fixedly installed on the outer side of the sleeve. There are no less than two connecting rods, and the number of connecting rods is the same as the number of sleeves.

[0021] By adopting the above technical solution, when the collar does not move, the fifth spring is compressed by the fixing strip, and the fixing strip continues to drive the piston rod to squeeze the gas inside the sleeve, so that the gas is discharged from the one-way exhaust valve, which is convenient for maintaining a negative pressure state inside the air duct.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. A reinforcement component is provided. When the transmission shaft and the shaft sleeve part rotate, the connecting sleeve and the fixed ring are subjected to centrifugal force. The centrifugal force drives the sliding rod to slide out of the vertical groove. The sliding rod stretches the second spring and squeezes the inclined surface of the cross bar. The sliding rod pushes the cross bar and the pressing ring to move. The pressing ring stretches the first spring. The pressing ring also drives the contact disc to press against the bolt part or the nut part, reducing the loosening of the bolt part or the nut part. And the pressing ring drives the cushion block to press against the connecting flange, which is convenient for limiting the bolt part or the nut part. When the bolt part or the nut part is loose and unstable subsequently, the bolt part or the nut part will squeeze the contact disc. The contact disc slides into the chute and squeezes the third spring. The contact disc drives the second contact head to move, so that the second contact head contacts the first contact head. At this time, the indicator light is lit. Therefore, during the rotation process, it is convenient to see the indicator light at the loosening position of the bolt part or the nut part light up, which is convenient for the operator to timely discover the unstable connection of the bolt part or the nut part, facilitating timely shutdown for maintenance, improving the maintenance efficiency, and solving the problem that when the bolts of the coupling are loose during the rotation process, it is not convenient for the operator to timely discover, reducing the maintenance efficiency of the coupling, and also making the coupling more likely to be damaged; 2. An installation component is provided. When installing the drive shaft, the operator first aligns the clamping block on the drive shaft with the position of the strip-shaped groove, and slides the drive shaft into the inside of the shaft sleeve part until the clamping block slides out from the end of the strip-shaped groove. At this time, the drive shaft is rotated 45 degrees, and the drive shaft drives the clamping block to rotate to the position of the clamping groove. Then, the drive shaft is pulled back, and the drive shaft drives the clamping block to be clamped into the clamping groove, which is convenient for the preliminary positioning of the drive shaft. Then, through the threaded connection of the bolt part and the nut part, the two connecting flanges are brought close to each other for installation. When the two connecting flanges approach, the connecting rod will be driven to move. The elastic coefficient of spring five is greater than that of spring four, so that the connecting rod drives spring five and the collar to move, and the connecting rod drives the piston rod to be inserted into the sleeve. The collar will push the limit disk to move, so that the limit disk presses against the end face of the drive shaft, and the air passage is attached to the drive shaft. Then, the connecting flange continues to drive the connecting rod and the fixing strip to move. At this time, the collar does not move, and spring five is compressed by the fixing strip. The fixing strip continues to drive the piston rod to squeeze the gas inside the sleeve, so that the gas is discharged from the one-way air outlet valve, which is convenient for maintaining a negative pressure state inside the air passage, improving the positioning and pressing effect of the limit disk on the drive shaft. When the piston rod slides out of the sleeve subsequently, the one-way air inlet valve starts to admit air, so that the air pressure inside the air passage is restored, which is convenient for the disassembly and use of the drive shaft and the connecting flange. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 Schematic diagram of the three-dimensional overall structure of the present invention; Figure 2 Schematic diagram of the installation structure of the bolt part of the present invention; Figure 3 Schematic diagram of the installation structure of the connecting flange of the present invention; Figure 4 For the present invention Figure 3 Enlarged structure schematic diagram at A in Figure 5 Exploded schematic diagram of the installation structure of the cross bar of the present invention; Figure 6 Schematic diagram of the initial position of the pressing ring of the present invention; Figure 7 Schematic diagram of the installation structure of the drive shaft of the present invention; Figure 8 Schematic diagram of the installation structure of the connecting rod of the present invention; Figure 9 For the present invention Figure 8 Enlarged structure schematic diagram at B in Figure 10 For the present invention Figure 8 Enlarged structure schematic diagram at C in Figure 11 Schematic diagram of the installation structure of the clamping block of the present invention; Figure 12 For the present invention Figure 11 Enlarged structure schematic diagram at D in

[0024] In the figure: 1, bushing part; 2, connecting sleeve; 3, connecting flange; 4, bolt part; 5, nut part; 6, reinforcement component; 61, fixing ring; 62, fixing block; 63, cross bar; 64, pressing ring; 65, first spring; 66, vertical groove; 67, second spring; 68, sliding rod; 69, connecting plate; 610, indicator light; 611, first contact part; 612, chute; 613, fixing ring; 614, third spring; 615, contact disc; 616, second contact part; 617, cushion block; 7, installation component; 71, strip groove; 72, card slot; 73, connecting block; 74, fourth spring; 75, limiting disc; 76, connection; 77, fixing bar; 78, fifth spring; 79, collar; 710, piston rod; 711, sleeve; 712, one-way intake valve; 713, one-way exhaust valve; 714, air duct; 8, transmission shaft; 81, clamping block. Specific embodiments

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0026] Please refer to Figure 1 - Figure 2 , the present invention provides a technical solution: a quick-disassembly coupling, including two symmetrically arranged bushing parts 1 and a transmission shaft 8. One side of the bushing part 1 is fixedly connected with a connecting sleeve 2. The side of the connecting sleeve 2 away from the bushing part 1 is fixedly connected with a connecting flange 3. The outside of one connecting flange 3 is fixedly installed with a bolt part 4, and the outside of the other connecting flange 3 is fixedly installed with a nut part 5.

[0027] A reinforcement component 6 is arranged on the outside of the connecting sleeve 2. The reinforcement component 6 includes a fixing ring 61 and a pressing ring 64.

[0028] The reinforcement component 6 further includes a pressing unit and a warning unit. The pressing unit includes sliding rods 68 arranged in an array and slidably installed on the outside of the fixing ring 61. One side of the pressing ring 64 close to the fixing ring 61 is fixedly connected with a cross bar 63.

[0029] The fixing ring 61 is fixedly installed on the outer side of one side of the connecting sleeve 2. The pressing ring 64 is slidably connected with the connecting sleeve 2. The outside of the fixing ring 61 is fixedly connected with fixing blocks 62 in an array. The number of the fixing blocks 62 and the sliding rods 68 is the same as that of the bolt part 4 and the nut part 5, and is not less than four. The cross bar 63 is slidably connected with the fixing block 62. One end of the cross bar 63 close to the sliding rod 68 is provided with an inclined surface, and the sliding rod 68 abuts against the inclined surface of the cross bar 63.

[0030] A first spring 65 is sleeved outside the cross bar 63. Two ends of the first spring 65 are fixedly connected to the fixed block 62 and the pressing ring 64 respectively. Vertical grooves 66 are symmetrically formed outside the fixed ring 61. A second spring 67 is fixedly connected to the inner bottom surface of the vertical groove 66. One end of the second spring 67 is fixedly connected to the sliding rod 68 The warning unit includes contact discs 615 symmetrically and slidably installed inside the pressing ring 64. A second contact head 616 is connected to one side of the contact disc 615. A connecting plate 69 is fixedly installed outside the cross bar 63. An indicator light 610 and a first contact head 611 are fixedly installed outside the connecting plate 69. When the contact disc 615 drives the second contact head 616 to contact the first contact head 611, the indicator light 610 lights up for warning to alert the operator.

[0031] The sliding rod 68 is slidably connected to the vertical groove 66. The position of the first contact head 611 is flush with the second contact head 616. Sliding grooves 612 are symmetrically formed inside the pressing ring 64. The number of the sliding grooves 612 is the same as that of the sliding rods 68. A fixing ring 613 is fixedly connected to one side inside the sliding groove 612.

[0032] Two third springs 614 are symmetrically installed between the fixing ring 613 and the contact disc 615. Two ends of the third spring 614 are fixedly connected to the fixing ring 613 and the contact disc 615 respectively. A sliding rod is fixedly installed between the contact disc 615 and the second contact head 616. The sliding rod passes through the center of the fixing ring 613 and is slidably connected to the fixing ring 613. A cushion block 617 is fixedly connected to the side of the pressing ring 64 away from the fixed ring 61.

[0033] Embodiment 1: As Figure 3 - Figure 6 shown, when the transmission shaft 8 and the shaft sleeve part 1 are rotating and working, the connecting sleeve 2 and the fixed ring 61 are subject to centrifugal force. The centrifugal force drives the sliding rod 68 to slide out of the vertical groove 66. The sliding rod 68 stretches the second spring 67 and presses the inclined surface of the cross bar 63. The sliding rod 68 pushes the cross bar 63 and the pressing ring 64 to move. The pressing ring 64 stretches the first spring 65. The pressing ring 64 also drives the contact disc 615 to press the bolt part 4 or the nut part 5, reducing the loosening of the bolt part 4 or the nut part 5.

[0034] Moreover, the pressing ring 64 drives the cushion block 617 to press the connecting flange 3, facilitating the limitation of the bolt part 4 or the nut part 5. When the bolt part 4 or the nut part 5 becomes loose and unstable subsequently, the bolt part 4 or the nut part 5 will press the contact disc 615. The contact disc 615 slides into the sliding groove 612 and presses the third spring 614. The contact disc 615 drives the second contact head 616 to move, so that the second contact head 616 contacts the first contact head 611. At this time, the indicator light 610 lights up.

[0035] During the rotation process, the indicator light 610 that can conveniently see the loosening position of the bolt part 4 or the nut part 5 is lit, facilitating the operator to promptly discover the unstable connection of the bolt part 4 or the nut part 5, facilitating timely shutdown for maintenance, improving the maintenance efficiency, and solving the problem that when the bolts of the coupling become loose during the rotation process, it is inconvenient for the operator to discover in time, reducing the maintenance efficiency of the coupling and making the coupling more prone to damage.

[0036] An installation assembly 7 is arranged inside the connecting sleeve 2. The installation assembly 7 includes strip-shaped grooves 71 symmetrically opened on the inner wall of the sleeve part 1. The outer ends of the transmission shaft 8 are symmetrically and fixedly connected with clamping blocks 81. There are no less than three clamping blocks 81. The clamping blocks 81 are slidably connected with the strip-shaped grooves 71. On the side of the inner wall of the connecting sleeve 2 close to the sleeve part 1, clamping grooves 72 are symmetrically opened. The clamping blocks 81 are snap-fitted with the clamping grooves 72. Two connecting blocks 73 are symmetrically and fixedly connected to the inner wall of the connecting sleeve 2. One end of the connecting block 73 close to the sleeve part 1 is fixedly connected with a fourth spring 74. The other ends of the two fourth springs 74 away from the connecting blocks 73 are fixedly connected to the same limiting disc 75.

[0037] The limiting disc 75 is slidably connected with the inner wall of the connecting sleeve 2. Connecting rods 76 are symmetrically and fixedly connected to the inner wall of the connecting flange 3. In the middle of the outer side of the connecting rod 76, a fixing strip 77 is fixedly connected. One end of the fixing strip 77 is fixedly connected with a fifth spring 78. The other end of the fifth spring 78 away from the fixing strip 77 is fixedly connected with a collar 79. The collar 79 is slidably sleeved on the outer side of the connecting rod 76.

[0038] One end of the fixing strip 77 away from the connecting rod 76 is fixedly connected with a piston rod 710. On the side of the limiting disc 75 away from the sleeve part 1, sleeves 711 are symmetrically and fixedly installed. Air channels 714 are symmetrically opened inside the limiting disc 75. The piston rod 710 is in contact with the inner wall of the sleeve 711 and is slidably connected with the sleeve 711. The sleeve 711 is communicated with the air channel 714.

[0039] A one-way intake valve 712 and a one-way exhaust valve 713 are fixedly installed on the outer side of the sleeve 711. There are no less than two connecting rods 76, and the number of connecting rods 76 is the same as the number of sleeves 711.

[0040] Embodiment 2: As Figure 7 - Figure 12 shown, when installing the transmission shaft 8, the operator first aligns the clamping blocks 81 on the transmission shaft 8 with the positions of the strip-shaped grooves 71, slides the transmission shaft 8 into the inside of the sleeve part 1 until the clamping blocks 81 slide out from the ends of the strip-shaped grooves 71. At this time, rotate the transmission shaft 8 by forty-five degrees. The transmission shaft 8 drives the clamping blocks 81 to turn to the positions of the clamping grooves 72, and then pull back the transmission shaft 8. The transmission shaft 8 drives the clamping blocks 81 to be snapped into the clamping grooves 72, facilitating the preliminary positioning of the transmission shaft 8.

[0041] Then, through the threaded connection of the bolt part 4 and the nut part 5, the two connecting flanges 3 are brought close to each other for installation. The approaching of the two connecting flanges 3 drives the connecting rod 76 to move. The elastic coefficient of the fifth spring 78 is greater than that of the fourth spring 74, so that the connecting rod 76 drives the fifth spring 78 and the collar 79 to move, and the connecting rod 76 drives the piston rod 710 to insert into the sleeve 711. The collar 79 will push the limit disc 75 to move, so that the limit disc 75 presses against the end face of the transmission shaft 8, and the air duct 714 fits against the transmission shaft 8.

[0042] Then the connecting flange 3 continues to drive the connecting rod 76 and the fixing strip 77 to move. At this time, the collar 79 does not move, and the fifth spring 78 is compressed by the fixing strip 77. The fixing strip 77 continues to drive the piston rod 710 to squeeze the gas inside the sleeve 711, so that the gas is discharged from the one-way air outlet valve 713, which is convenient for keeping the inside of the air duct 714 in a negative pressure state, improving the positioning and pressing effect of the limit disc 75 on the transmission shaft 8. When the piston rod 710 slides out of the sleeve 711 subsequently, the one-way air inlet valve 712 starts to intake air, so that the air pressure inside the air duct 714 is restored, thus facilitating the disassembly and use of the transmission shaft 8 and the connecting flange 3.

[0043] Working principle: When using this device, first, as Figure 1 - Figure 12 shown, when installing the transmission shaft 8, the operator rotates the clamping block 81 to the position of the clamping groove 72 to initially position the transmission shaft 8. Then the approaching installation of the two connecting flanges 3 drives the connecting rod 76 to move. The connecting rod 76 drives the fifth spring 78 and the collar 79 to move. The limit disc 75 presses against the end face of the transmission shaft 8, and the air duct 714 fits against the transmission shaft 8. Then the connecting flange 3 continues to drive the connecting rod 76 and the fixing strip 77 to move. The fixing strip 77 continues to drive the piston rod 710 to squeeze the gas inside the sleeve 711, so that the gas is discharged from the one-way air outlet valve 713, which is convenient for keeping the inside of the air duct 714 in a negative pressure state, improving the positioning and pressing effect of the limit disc 75 on the transmission shaft 8. When the transmission shaft 8 and the shaft sleeve part 1 rotate and work, the centrifugal force drives the sliding rod 68 to slide out of the vertical groove 66. The sliding rod 68 stretches the second spring 67 and squeezes the inclined surface of the cross bar 63. The sliding rod 68 pushes the cross bar 63 and the pressing ring 64 to move. The pressing ring 64 drives the contact disc 615 to press against the bolt part 4 or the nut part 5. When the bolt part 4 or the nut part 5 becomes loose and unstable subsequently, the bolt part 4 or the nut part 5 will squeeze the contact disc 615. The contact disc 615 slides into the sliding groove 612 and squeezes the third spring 614, so that the contact head part two 616 contacts the contact head part one 611. At this time, the indicator light 610 lights up. Thus, during the rotation process, it is convenient to see the indicator light 610 at the loosening position of the bolt part 4 or the nut part 5 light up.

[0044] The content not described in detail in this specification belongs to the well-known prior art of those skilled in the art.

[0045] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A quick - detachable coupling, comprising two symmetrically arranged bushing parts (1) and a transmission shaft (8). One side of the bushing part (1) is fixedly connected with a connecting sleeve (2). The side of the connecting sleeve (2) far from the bushing part (1) is fixedly connected with a connecting flange (3). A bolt part (4) is fixedly installed on the outer side of one connecting flange (3), and a nut part (5) is fixedly installed on the outer side of the other connecting flange (3). It is characterized in that It further includes: A reinforcing component (6) is arranged on the outer side of the connecting sleeve (2), and an installation component (7) is arranged on the inner side of the connecting sleeve (2). The reinforcing component (6) includes a fixing ring (61) and a pressing ring (64). The reinforcing component (6) further includes a pressing unit and a warning unit. The pressing unit includes sliding rods (68) array - slidably installed on the outer side of the fixing ring (61). One side of the pressing ring (64) close to the fixing ring (61) is fixedly connected with a cross bar (63). The warning unit includes contact discs (615) symmetrically slidably installed inside the pressing ring (64). One side of the contact disc (615) is connected with a contact head two (616). A connecting plate (69) is fixedly installed on the outer side of the cross bar (63). An indicator light (610) and a contact head one (611) are fixedly installed on the outer side of the connecting plate (69). When the contact disc (615) drives the contact head two (616) to contact the contact head one (611), the indicator light (610) lights up for warning to alert the operator.

2. The quick-disassembly coupling according to claim 1, characterized in that: The fixing ring (61) is fixedly installed on the outer side of one side of the connecting sleeve (2). The pressing ring (64) is slidably connected with the connecting sleeve (2). Fixing blocks (62) are fixedly connected to the outer side of the fixing ring (61) in an array. The number of the fixing blocks (62) and the sliding rods (68) is the same as the number of the bolt part (4) and the nut part (5), and is not less than four. The cross bar (63) is slidably connected with the fixing block (62). One end of the cross bar (63) close to the sliding rod (68) is provided with an inclined surface, and the sliding rod (68) abuts against the inclined surface of the cross bar (63).

3. The quick-disassembly coupling according to claim 2, wherein: A first spring (65) is sleeved on the outer side of the cross bar (63). Two ends of the first spring (65) are respectively fixedly connected with the fixing block (62) and the pressing ring (64). Vertical grooves (66) are symmetrically opened on the outer side of the fixing ring (61). A second spring (67) is fixedly connected to the inner bottom surface of the vertical groove (66). One end of the second spring (67) is fixedly connected with the sliding rod (68).

4. The quick-disassembly coupling according to claim 3, characterized in that: The sliding rod (68) is slidably connected with the vertical groove (66). The position of the contact head one (611) is flush with the contact head two (616). Sliding grooves (612) are symmetrically opened inside the pressing ring (64). The number of the sliding grooves (612) is the same as that of the sliding rods (68). A fixing ring (613) is fixedly connected to one side inside the sliding groove (612).

5. The quick-disassembly coupling according to claim 4, characterized in that: Two spring threes (614) are symmetrically installed between the fixed ring (613) and the contact disk (615). The two ends of the spring three (614) are respectively fixedly connected to the fixed ring (613) and the contact disk (615). A slide bar is fixedly installed between the contact disk (615) and the second contact head (616). The slide bar passes through the center of the fixed ring (613), and the slide bar is slidably connected to the fixed ring (613). A cushion block (617) is fixedly connected to the side of the pressing ring (64) away from the fixed ring (61).

6. The quick-disassembly coupling according to claim 5, wherein: The installation component (7) includes strip-shaped grooves (71) symmetrically formed in the inner wall of the bushing part (1). The outer ends of the transmission shaft (8) are symmetrically and fixedly connected with clamping blocks (81). The number of the clamping blocks (81) is not less than three. The clamping blocks (81) are slidably connected with the strip-shaped grooves (71). The inner wall of the connecting sleeve (2) is symmetrically provided with clamping grooves (72) near the bushing part (1). The clamping blocks (81) are clamped and connected with the clamping grooves (72). Two connecting blocks (73) are symmetrically and fixedly connected to the inner wall of the connecting sleeve (2). A spring four (74) is fixedly connected to the side of the connecting block (73) close to the bushing part (1). The ends of the two spring fours (74) away from the connecting blocks (73) are fixedly connected to the same limiting disk (75).

7. The quick-disassembly coupling according to claim 6, wherein: The limiting disk (75) is slidably connected with the inner wall of the connecting sleeve (2). Connecting rods (76) are symmetrically and fixedly connected to the inner wall of the connecting flange (3). A fixing strip (77) is fixedly connected to the middle of the outer side of the connecting rod (76). A spring five (78) is fixedly connected to one end of the fixing strip (77). The end of the spring five (78) away from the fixing strip (77) is fixedly connected to a sleeve ring (79). The sleeve ring (79) is slidably sleeved on the outer side of the connecting rod (76).

8. The quick-disassembly coupling according to claim 7, characterized in that: A piston rod (710) is fixedly connected to the end of the fixing strip (77) away from the connecting rod (76). Sleeves (711) are symmetrically fixedly installed on the side of the limiting disk (75) away from the bushing part (1). Air channels (714) are symmetrically formed in the inner side of the limiting disk (75). The piston rod (710) is in contact with the inner wall of the sleeve (711), and the piston rod (710) is slidably connected to the sleeve (711). The sleeve (711) is communicated with the air channel (714).

9. The quick-detachable coupling according to claim 8, characterized in that: A one-way intake valve (712) and a one-way exhaust valve (713) are fixedly installed on the outer side of the sleeve (711). The number of the connecting rods (76) is not less than two, and the number of the connecting rods (76) is the same as that of the sleeves (711).

Images