Rigid coupling

Abstract

The utility model discloses a rigid coupling, relates to the technical field of rigid couplings, solves the problems that the installation and maintenance difficulty of the coupling is high, and time and labor are wasted, and comprises a first connecting disc and a second connecting disc, and one side of the first connecting disc is provided with an annular connecting groove; a connecting ring matched with the annular connecting groove is formed in one side of the second connecting disc, a plurality of annularly-distributed clamping grooves are formed in the outer circumference of the connecting ring, and an annular groove is formed in the side, away from the second connecting disc, of the first connecting disc; and a plurality of annularly-distributed clamping blocks are slidably arranged between the annular groove and the annular connecting groove in a penetrating mode, and a movable ring is slidably connected to the interior of the annular groove. Through cooperation of the annular connecting groove, the connecting ring, the clamping groove, the annular groove, the clamping block, the movable ring, the movable groove, the guide groove and the guide block, bolts do not need to be used, and the installation and maintenance difficulty of the coupler is lowered.

Description

Technical Field

[0001] The utility model relates to the technical field of rigid couplings, in particular to a rigid coupling. Background Art

[0002] Couplings are essential components in mechanical transmission systems, connecting two shafts and transmitting torque. Traditional couplings primarily include rigid couplings and flexible couplings. Rigid couplings are widely used in many industrial equipment due to their simple structure and stable torque transmission.

[0003] In the prior art, two connecting plates of a coupling are usually connected and fixed by using a plurality of bolts distributed in an annular manner. During installation and removal, tools are required to install and remove the plurality of bolts.

[0004] In the process of realizing the present invention, the inventors found that there are at least the following problems in this technology: the operation of fixing the coupling with bolts is very cumbersome, resulting in high difficulty in installation and maintenance of the coupling, which is time-consuming and labor-intensive. Therefore, a rigid coupling is now proposed. Utility Model Content

[0005] In order to improve the problem that the installation and maintenance of the coupling are difficult, time-consuming and labor-intensive, the utility model provides a rigid coupling.

[0006] The utility model provides a rigid coupling, which adopts the following technical solutions:

[0007] A rigid coupling comprises a first connecting disk and a second connecting disk, wherein an annular connecting groove is provided on one side of the first connecting disk, and a connecting ring adapted for the annular connecting groove is provided on one side of the second connecting disk, a plurality of annularly distributed clamping grooves are provided on the outer circumference of the connecting ring, an annular groove is provided on the side of the first connecting disk away from the second connecting disk, a plurality of annularly distributed clamping blocks slide through the annular groove and the annular connecting groove, a movable ring is slidably connected to the inside of the annular groove, a plurality of annularly distributed movable grooves are provided on the inner circumference of the movable ring, a guide groove is provided on the inner side wall of the movable groove, a guide block is provided at one end of the clamping block, the guide block slides in the guide groove, and a spring is abutted between the movable ring and the inner wall of the annular groove.

[0008] By adopting the above technical solution, through the cooperation of the annular connecting groove, connecting ring, clamping groove, annular groove, clamping block, movable ring, movable groove, guide groove and guide block, when the first connecting disk and the second connecting disk are connected, the connecting ring will be inserted into the annular connecting groove. When the clamping groove is aligned with the clamping block, the spring will release elastic potential energy and stretch, driving the movable ring to slide in the annular groove. The movable ring drives the guide block to slide in the guide groove, so that the guide block drives the clamping block to be inserted into the clamping groove, clamping and fixing the connecting ring, thereby realizing rapid connection of the first connecting disk and the second connecting disk. When disassembling, it is only necessary to press the movable ring to drive the clamping block to move out of the clamping groove, and the connecting ring can be pulled out from the annular connecting groove, thereby separating the first connecting disk and the second connecting disk. No bolts are required, which reduces the difficulty of installation and maintenance of the coupling.

[0009] Optionally, a plurality of annularly distributed positioning posts are fixedly connected to one side of the first connecting disk, and a plurality of annularly distributed positioning grooves are opened on one side of the second connecting disk, and the positioning posts are adapted to the positioning grooves.

[0010] By adopting the above technical solution, through the cooperation of the positioning column and the positioning groove, when the first connecting plate and the second connecting plate are connected, the positioning column can be aligned with the positioning groove and inserted, which can quickly position and connect the first connecting plate and the second connecting plate, so that the first connecting plate and the second connecting plate can be quickly aligned, thereby improving installation efficiency.

[0011] Optionally, the clamping block is provided with a guide angle in a direction toward the opening of the annular connecting groove.

[0012] By adopting the above technical solution, during the insertion process of the connecting ring, the guide angle of the clamping block will be squeezed, causing the clamping block to shrink into the movable groove, so that the connecting ring can be smoothly inserted into the annular connecting groove.

[0013] Optionally, a plurality of limiting holes penetrating to the annular groove are provided on the outer circumference of the first connecting disk, and the inner portion of the limiting holes is slidably connected to a limiting block, and the limiting block is fixedly connected to the outer circumference of the movable ring.

[0014] By adopting the above technical solution, the cooperation between the limiting hole and the limiting block can play a limiting role on the movable ring. When the movable ring slides, it will also drive the limiting block to slide in the limiting hole.

[0015] Optionally, the external thread of the second connecting disk is sleeved with a limiting sleeve.

[0016] By adopting the above technical solution and setting the limit sleeve, when the first connecting disk and the second connecting disk are connected, the limit sleeve can be rotated to make the limit sleeve move along the second connecting disk toward the first connecting disk, and finally the limit sleeve is pressed against the limit block, which can limit the limit block, so that the movable ring cannot slide, thereby achieving the effect of locking the movable ring, avoiding the working vibration of the coupling from affecting the movable ring, and improving the reliability of the connection structure.

[0017] Optionally, an external thread is provided on the outer circumference of the second connecting disk, and an internal thread matching the external thread is provided on the inner circumference of the limiting sleeve.

[0018] By adopting the above technical solution, the limiting sleeve can move along the second connecting disk.

[0019] Optionally, anti-slip ridges are provided on the outer circumference of the limiting sleeve.

[0020] By adopting the above technical solution, it is convenient to rotate the limit sleeve.

[0021] Optionally, a rotating ring is fixedly connected to the interior of the limiting sleeve, and an annular limiting groove is provided on a side of the second connecting disk away from the first connecting disk, and the rotating ring rotates in the annular limiting groove.

[0022] By adopting the above technical solution, the cooperation between the rotating ring and the annular limiting groove can limit the limiting sleeve, thereby preventing the limiting sleeve from falling off from the second connecting disk and preventing the limiting sleeve from being lost.

[0023] In summary, the present invention has the following beneficial effects:

[0024] 1. The utility model cooperates with the annular connecting groove, the connecting ring, the clamping groove, the annular groove, the clamping block, the movable ring, the movable groove, the guide groove and the guide block. When the first connecting plate and the second connecting plate are connected, the connecting ring will be inserted into the annular connecting groove. When the clamping groove and the clamping block are aligned, the spring will release elastic potential energy and stretch, driving the movable ring to slide in the annular groove. The movable ring drives the guide block to slide in the guide groove, so that the guide block drives the clamping block to be inserted into the clamping groove, and the connecting ring is clamped and fixed, so as to realize the quick connection of the first connecting plate and the second connecting plate. When disassembling, it is only necessary to press the movable ring to drive the clamping block to move out of the clamping groove, and the connecting ring can be pulled out of the annular connecting groove, thereby separating the first connecting plate and the second connecting plate. No bolts are needed, thereby reducing the difficulty of installation and maintenance of the coupling.

[0025] 2. The utility model adopts the setting of the limit sleeve. When the first connecting disk and the second connecting disk are connected, the limit sleeve can be rotated to make the limit sleeve move along the second connecting disk toward the first connecting disk, and finally the limit sleeve is against the limit block, which can limit the limit block, so that the movable ring cannot slide, thereby achieving the effect of locking the movable ring, avoiding the working vibration of the coupling from affecting the movable ring, and improving the reliability of the connection structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the split structure of the utility model.

[0027] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0028] Figure 3 It is a schematic diagram of the cross-sectional structure of the limiting sleeve of the utility model.

[0029] Description of reference numerals:

[0030] 1. First connecting plate; 11. Annular connecting groove; 12. Annular groove; 13. Snap-fit ​​block; 14. Movable ring; 15. Movable groove; 16. Guide groove; 17. Guide block; 18. Positioning column; 19. Limiting hole; 110. Limiting block; 2. Second connecting plate; 21. Connecting ring; 22. Snap-fit ​​groove; 23. Positioning groove; 24. Limiting sleeve; 25. External thread; 26. Internal thread; 27. Anti-slip ridges; 28. Rotating ring; 29. ​​Annular limiting groove. DETAILED DESCRIPTION

[0031] The following is in conjunction with the appended drawings in the embodiment of the present utility model. Figure 1-3 The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort shall fall within the scope of protection of the present invention.

[0032] Please refer to Figure 1-2 A rigid coupling includes a first connecting plate 1 and a second connecting plate 2. One side of the first connecting plate 1 is fixedly connected with a plurality of annularly distributed positioning posts 18, and one side of the second connecting plate 2 is provided with a plurality of annularly distributed positioning grooves 23. The positioning posts 18 are adapted to the positioning grooves 23. Through the cooperation of the positioning posts 18 and the positioning grooves 23, when the first connecting plate 1 and the second connecting plate 2 are connected, the positioning posts 18 can be aligned with the positioning grooves 23 and inserted, which can quickly position and connect the first connecting plate 1 and the second connecting plate 2, so that the first connecting plate 1 and the second connecting plate 2 can be quickly aligned, thereby improving installation efficiency.

[0033] Reference Figure 1 and Figure 2 , an annular connecting groove 11 is opened on one side of the first connecting disk 1, and a connecting ring 21 adapted to the annular connecting groove 11 is opened on one side of the second connecting disk 2. A plurality of annularly distributed clamping grooves 22 are opened on the outer circumference of the connecting ring 21. An annular groove 12 is opened on the side of the first connecting disk 1 away from the second connecting disk 2. A plurality of annularly distributed clamping blocks 13 are slidably passed through the annular groove 12 and the annular connecting groove 11. The clamping block 13 is provided with a guide angle in the direction of the opening of the annular connecting groove 11. The inner part of the annular groove 12 is provided with a guide angle. A movable ring 14 is slidably connected, and a plurality of annular movable grooves 15 are provided on the inner circumference of the movable ring 14. A guide groove 16 is provided on the inner side wall of the movable groove 15. A guide block 17 is provided at one end of the clamping block 13. The guide block 17 slides in the guide groove 16. A spring is abutted between the movable ring 14 and the inner wall of the annular groove 12. Through the cooperation of the annular connecting groove 11, the connecting ring 21, the clamping groove 22, the annular groove 12, the clamping block 13, the movable ring 14, the movable groove 15, the guide groove 16 and the guide block 17, When the first connecting disc 1 and the second connecting disc 2 are connected, the connecting ring 21 will be inserted into the annular connecting groove 11. During the insertion process of the connecting ring 21, the guide angle of the clamping block 13 will be squeezed, so that the clamping block 13 will shrink into the movable groove 15, so that the connecting ring 21 can be smoothly inserted into the annular connecting groove 11. At the same time, the clamping block 13 will drive the movable ring 14 to slide in the annular groove 12, compressing the spring. When the clamping groove 22 is aligned with the clamping block 13, the spring will release its elastic potential energy and stretch, driving the movable ring 14 in the annular groove 12. The movable ring 14 drives the guide block 17 to slide in the guide groove 16, so that the guide block 17 drives the clamping block 13 to be inserted into the clamping groove 22, and the connecting ring 21 is clamped and fixed, thereby realizing the quick connection of the first connecting disk 1 and the second connecting disk 2. When disassembling, it is only necessary to press the movable ring 14 to drive the clamping block 13 to move out of the clamping groove 22, and the connecting ring 21 can be pulled out from the annular connecting groove 11, thereby separating the first connecting disk 1 and the second connecting disk 2, without the need for bolts, which reduces the difficulty of installation and maintenance of the coupling.

[0034] Reference Figure 1 and Figure 2 A plurality of limiting holes 19 penetrating into the annular groove 12 are provided on the outer circumference of the first connecting disk 1. The internal sliding connection of the limiting hole 19 is connected to the limiting block 110. The limiting block 110 is fixedly connected to the outer circumference of the movable ring 14. Through the cooperation between the limiting hole 19 and the limiting block 110, the movable ring 14 can be limited. When the movable ring 14 slides, the limiting block 110 will be driven to slide in the limiting hole 19 at the same time.

[0035] Reference Figure 1 、 Figure 2 and Figure 3The external thread of the second connecting disk 2 is connected to the limiting sleeve 24, and the outer circumference of the second connecting disk 2 is provided with an external thread 25, and the inner circumference of the limiting sleeve 24 is provided with an internal thread 26 that matches the external thread 25. Through the setting of the limiting sleeve 24, when the first connecting disk 1 and the second connecting disk 2 are connected, the limiting sleeve 24 can be rotated to make the limiting sleeve 24 move along the second connecting disk 2 toward the first connecting disk 1, and finally make the limiting sleeve 24 resist against the limiting block 110, which can limit the limiting block 110, so that the movable ring 14 cannot slide, achieving the effect of locking the movable ring 14, avoiding the working vibration of the coupling from affecting the movable ring 14, and improving the reliability of the connection structure; when disassembling, the limiting sleeve 24 can be rotated first to make the limiting sleeve 24 away from the limiting block 110, and then the movable ring 14 can be pressed.

[0036] The outer circumference of the limiting sleeve 24 is provided with anti-skid convex patterns 27 , which facilitate the rotation of the limiting sleeve 24 .

[0037] Among them, a rotating ring 28 is fixedly connected to the inside of the limiting sleeve 24, and an annular limiting groove 29 is opened on the side of the second connecting disk 2 away from the first connecting disk 1. The rotating ring 28 rotates in the annular limiting groove 29. Through the cooperation between the rotating ring 28 and the annular limiting groove 29, the limiting sleeve 24 can be limited, thereby preventing the limiting sleeve 24 from falling off from the second connecting disk 2 and preventing the limiting sleeve 24 from being lost.

[0038] The implementation principle of the present invention is as follows: when the first connecting disk 1 and the second connecting disk 2 are connected, the connecting ring 21 will be inserted into the annular connecting groove 11. During the insertion process of the connecting ring 21, the guiding angle of the clamping block 13 will be squeezed, so that the clamping block 13 will shrink into the movable groove 15, so that the connecting ring 21 can be smoothly inserted into the annular connecting groove 11. At the same time, the clamping block 13 will drive the movable ring 14 to slide in the annular groove 12, compressing the spring. When the clamping groove 22 is aligned with the clamping block 13, the spring will release its elastic potential energy and extend, driving the movable ring 14 to slide in the annular groove 12. The movable ring 14 The guide block 17 is driven to slide in the guide groove 16, so that the guide block 17 drives the clamping block 13 to be inserted into the clamping groove 22, and the connecting ring 21 is clamped and fixed to realize the connection between the first connecting disk 1 and the second connecting disk 2. Then, the limiting sleeve 24 is rotated to make the limiting sleeve 24 move along the second connecting disk 2 toward the first connecting disk 1, and finally the limiting sleeve 24 abuts against the limiting block 110, which can limit the limiting block 110, so that the movable ring 14 cannot slide, thereby achieving the effect of locking the movable ring 14, preventing the working vibration of the coupling from affecting the movable ring 14, and improving the reliability of the connection structure;

[0039] During disassembly, you can first rotate the limit sleeve 24 to move the limit sleeve 24 away from the limit block 110, then press the movable ring 14 to drive the clamping block 13 to move out of the clamping groove 22, and then pull the connecting ring 21 out of the annular connecting groove 11, thereby separating the first connecting plate 1 and the second connecting plate 2. No bolts are needed, which reduces the difficulty of installation and maintenance of the coupling.

[0040] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A rigid coupling comprising a first connecting disc (1) and a second connecting disc (2), characterized in that: An annular connecting groove (11) is provided on one side of the first connecting disk (1), a connecting ring (21) adapted to the annular connecting groove (11) is provided on one side of the second connecting disk (2), a plurality of annularly distributed clamping grooves (22) are provided on the outer circumference of the connecting ring (21), an annular groove (12) is provided on the side of the first connecting disk (1) away from the second connecting disk (2), a plurality of annularly distributed clamping blocks (13) slide through the annular groove (12) and the annular connecting groove (11), a movable ring (14) is slidably connected inside the annular groove (12), a plurality of annularly distributed movable grooves (15) are provided on the inner circumference of the movable ring (14), a guide groove (16) is provided on the inner side wall of the movable groove (15), a guide block (17) is provided at one end of the clamping block (13), the guide block (17) slides in the guide groove (16), and a spring is abutted between the movable ring (14) and the inner wall of the annular groove (12).

2. A rigid coupling according to claim 1, characterized in that: One side of the first connection disk (1) is fixedly connected to a plurality of annularly distributed positioning posts (18), and one side of the second connection disk (2) is provided with a plurality of annularly distributed positioning grooves (23), and the positioning posts (18) are adapted to the positioning grooves (23).

3. A rigid coupling according to claim 1, characterized in that: The clamping block (13) is provided with a guide angle in a direction toward the opening of the annular connecting groove (11).

4. A rigid coupling according to claim 1, characterized in that: A plurality of limiting holes (19) extending through the annular groove (12) are provided on the outer circumference of the first connecting disk (1), and the limiting blocks (110) are slidably connected inside the limiting holes (19), and the limiting blocks (110) are fixedly connected to the outer circumference of the movable ring (14).

5. The rigid coupling according to claim 1, characterized in that: The outer thread of the second connecting plate (2) is sleeved with a limiting sleeve (24).

6. A rigid coupling according to claim 5, characterized in that: An external thread (25) is provided on the outer circumference of the second connecting disk (2), and an internal thread (26) matching the external thread (25) is provided on the inner circumference of the limiting sleeve (24).

7. The rigid coupling according to claim 5, characterized in that: Anti-slip convex patterns (27) are provided on the outer circumference of the limiting sleeve (24).

8. The rigid coupling according to claim 5, characterized in that: A rotating ring (28) is fixedly connected to the interior of the limiting sleeve (24), and an annular limiting groove (29) is provided on a side of the second connecting disk (2) away from the first connecting disk (1), and the rotating ring (28) rotates in the annular limiting groove (29).

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