Multipurpose coupling

Abstract

The utility model relates to the technical field of couplings, and discloses a multipurpose coupler which comprises two coupling cylinders, a loading and unloading mechanism is fixedly arranged between the two coupling cylinders, a dust blocking mechanism is arranged on the outer wall of the loading and unloading mechanism in a sleeved mode, and the loading and unloading mechanism comprises a first connecting disc and a second connecting disc. The first connecting disc and the second connecting disc are fixedly connected to one sides of the two coupling cylinders respectively, first threaded holes are formed in the front-back position, the upper portion and the lower portion of one side of the first connecting disc, and second threaded holes are formed in the front-back position, the upper portion and the lower portion of one side of the second connecting disc. According to the utility model, the two coupling cylinders can be conveniently assembled for use and disassembled for maintenance through the arranged loading and unloading mechanism, the usability is better, the problem of equipment damage caused by dust entering from a gap of the loading and unloading mechanism can be avoided through the arranged dust blocking structure, and the protectiveness is better.

Description

Technical Field

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

[0002] A coupling is a device for connecting two shafts and can rotate with the two shafts. Therefore, it can connect two workpieces and is becoming more and more common in mechanical equipment. Existing couplings are usually integral.

[0003] Currently, the commonly used multi-purpose couplings are not only inconvenient to disassemble, but also cannot prevent dust from entering the interior of the device, which may lead to damage to the equipment. Therefore, those skilled in the art provide a multi-purpose coupling to solve the problems raised in the above background art. Content of the Utility Model

[0004] The purpose of the content of the utility model is to solve the disadvantages existing in the prior art, and a multi-purpose coupling is proposed. Through the provided loading and unloading mechanism, the convenient assembly, use, disassembly and maintenance of the two coupling cylinders can be achieved, with better usability. And through the provided dust-proof structure, the problem that dust enters through the gaps of the loading and unloading mechanism and causes equipment damage can be avoided, with better protection.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A multi-purpose coupling includes two coupling cylinders, and a loading and unloading mechanism is fixedly arranged between the two coupling cylinders, and a dust-proof mechanism is sleeved on the outer wall of the loading and unloading mechanism;

[0007] The loading and unloading mechanism includes a first connecting plate and a second connecting plate. The first connecting plate and the second connecting plate are respectively fixedly connected to one side of the two coupling cylinders. One side of the first connecting plate is provided with first threaded holes at the front and rear and upper and lower positions, and one side of the second connecting plate is provided with second threaded holes at the front and rear and upper and lower positions. Fixed threaded rods are respectively thread-sleeved in the plurality of first threaded holes, and the plurality of fixed threaded rods are respectively thread-sleeved on the corresponding second threaded holes, and threaded sleeves are respectively thread-sleeved on one side of the outer walls of the plurality of fixed threaded rods;

[0008] Through the above technical solution, during installation and use, rotate the fixed threaded rods to thread them into the first threaded holes and the second threaded holes, and rotate the threaded sleeves to stably fix the first connecting plate and the second connecting plate, thereby greatly improving the firmness of the connection. When it needs to be disassembled, just operate in the reverse direction.

[0009] Furthermore, the dust-proof mechanism includes a sealing ring. An installation ring groove is provided on one side of the outer walls of the first connecting disk and the second connecting disk, and the sealing ring is movably sleeved on the two installation ring grooves;

[0010] Through the above technical solution, the sealing ring can achieve a better sealing effect at the junction of the first connecting disk and the second connecting disk, thereby avoiding the problems of rust caused by rainwater ingress and blockage caused by dust intrusion, and having better usability.

[0011] Furthermore, installation snap rings are fixedly sleeved on both sides of the inner wall of the sealing ring, and the two installation snap rings are respectively clamped in the corresponding installation ring grooves;

[0012] Through the above technical solution, the waterproof and dust-proof effect of the sealing ring can be better achieved by the clamping setting of the installation snap ring in the installation ring groove.

[0013] Furthermore, an annular groove is provided on one side of the first connecting disk, and L-shaped half snap rings are fixedly connected to the upper and lower parts of the outer wall on one side of the second connecting disk. The two L-shaped half snap rings are respectively clamped in the annular groove;

[0014] Through the above technical solution, the fit degree between the first connecting disk and the second connecting disk is improved by the clamping setting of the L-shaped half snap ring in the annular groove.

[0015] Furthermore, half snap retaining rings are fixedly connected to the upper and lower parts of one side of the inner wall of the annular groove, and the two L-shaped half snap rings are respectively clamped with the corresponding half snap retaining rings;

[0016] Through the above technical solution, the connection between the two connecting disks can be greatly improved by the L-shaped half snap ring being clamped on the half snap retaining ring.

[0017] Furthermore, annular threaded rings are fixedly connected to one side of multiple threaded sleeves. Annular threaded grooves are provided at the upper and lower parts and the front and rear parts of one side of the second connecting disk, and the multiple annular threaded rings are respectively threadedly sleeved in the corresponding annular threaded grooves;

[0018] Through the above technical solution, by the annular threaded ring being threadedly sleeved in the annular threaded groove, the firmness of the connection is greatly improved.

[0019] Furthermore, the shape of the threaded sleeve is T-shaped;

[0020] Through the above technical solution, by adopting a T-shaped threaded sleeve, the purpose of facilitating rotation can be achieved.

[0021] The utility model has the following beneficial effects:

[0022] 1. A multi-purpose coupling proposed by the present utility model, when installed and used, by engaging two L-shaped half snap rings on the second connecting disk in the annular groove and rotating the second connecting disk so that the L-shaped half snap rings are in contact with the half snap retaining ring, a better limiting effect can be achieved. Rotate the fixed threaded rod so that its thread is sleeved in the first threaded hole and the second threaded hole, and then rotate the threaded sleeve to achieve the purpose of stably fixing the first connecting disk and the second connecting disk. At the same time, when rotating the threaded sleeve, the annular threaded ring will be threaded in the annular threaded groove, thereby greatly improving the firmness of the connection. When it needs to be removed, just operate in the reverse direction, which has better usability and stability.

[0023] 2. A multi-purpose coupling proposed by the present utility model, through the provided sealing ring, can achieve a better sealing effect at the junction of the first connecting disk and the second connecting disk, thereby avoiding the problems of rust caused by rainwater ingress and blockage caused by dust intrusion, and has better usability. And through the snap ring engaged in the installation ring groove, the purpose of stably limiting the sealing ring can be achieved, avoiding the problem that the sealing ring is displaced under force during the rotation of the coupling, resulting in the exposure of the gap between the connecting disks, and has better protection.

[0024] 3. A multi-purpose coupling proposed by the present utility model, through the provided loading and unloading mechanism, can facilitate the assembly, use, disassembly and maintenance of the two coupling cylinders, and has better usability. And through the provided dust-proof structure, the problem that dust enters from the gap of the loading and unloading mechanism and causes damage to the equipment can be avoided, and has better protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is an axonometric schematic diagram of a multi-purpose coupling proposed by the present utility model;

[0026] Figure 2 is a front sectional schematic diagram of a multi-purpose coupling proposed by the present utility model;

[0027] Figure 3 is Figure 2 an enlarged schematic diagram of the structure at A of

[0028] Figure 4 is Figure 2 an enlarged schematic diagram of the structure at B of

[0029] Figure 5 is an axonometric schematic diagram of the first connecting disk of a multi-purpose coupling proposed by the present utility model;

[0030] Figure 6 is an axonometric schematic diagram of the threaded sleeve of a multi-purpose coupling proposed by the present utility model.

[0031] LEGEND DESCRIPTION:

[0032] 1. Coupling cylinder; 2. Loading and unloading mechanism; 201. First connecting plate; 202. Second connecting plate; 203. L-shaped half snap ring; 204. Annular groove; 205. Half snap retaining ring; 206. First threaded hole; 207. Second threaded hole; 208. Fixed threaded rod; 209. Threaded sleeve; 210. Annular threaded ring; 211. Annular threaded groove; 3. Dust blocking mechanism; 301. Sealing ring; 302. Installation snap ring; 303. Installation ring groove. Specific embodiments

[0033] Next, the technical solutions in the specific embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the specific embodiments of the present invention. Obviously, the described specific embodiments are only a part of the specific embodiments of the present invention, rather than all of the specific embodiments. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0034] Refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 5 As shown in, a specific embodiment provided by the present invention: a multi-purpose coupling includes two coupling cylinders 1, a loading and unloading mechanism 2 is fixedly arranged between the two coupling cylinders 1, and a dust blocking mechanism 3 is sleeved on the outer wall of the loading and unloading mechanism 2;

[0035] The loading and unloading mechanism 2 includes a first connecting disk 201 and a second connecting disk 202. An annular groove 204 is formed on one side of the first connecting disk 201. L-shaped half snap rings 203 are fixedly connected to the outer wall of one side of the second connecting disk 202 near the upper and lower positions. Both of the two L-shaped half snap rings 203 are engaged in the annular groove 204. By engaging the L-shaped half snap rings 203 in the annular groove 204, the fit between the first connecting disk 201 and the second connecting disk 202 is improved. On one side of the inner wall of the annular groove 204 near the upper and lower positions, half snap retaining rings 205 are fixedly connected. The two L-shaped half snap rings 203 are respectively engaged with the corresponding half snap retaining rings 205. By engaging the L-shaped half snap rings 203 on the half snap retaining rings 205, the connectivity between the two connecting disks can be greatly improved. The first connecting disk 201 and the second connecting disk 202 are respectively fixedly connected to one side of the two coupling cylinders 1. On one side of the first connecting disk 201 near the front and rear positions and near the upper and lower positions, first threaded holes 206 are formed. On one side of the second connecting disk 202 near the front and rear positions and near the upper and lower positions, second threaded holes 207 are formed. Fixed threaded rods 208 are threadedly sleeved in multiple first threaded holes 206. The multiple fixed threaded rods 208 are respectively threadedly sleeved on the corresponding second threaded holes 207. On one side of the outer wall of the multiple fixed threaded rods 208, threaded sleeves 209 are threadedly sleeved. On one side of the multiple threaded sleeves 209, annular threaded rings 210 are fixedly connected. On one side of the second connecting disk 202 near the upper and lower positions and near the front and rear positions, annular threaded grooves 211 are formed. The multiple annular threaded rings 210 are respectively threadedly sleeved in the corresponding annular threaded grooves 211. By threading the annular threaded rings 210 in the annular threaded grooves 211, the firmness of the connection is greatly improved. The shape of the threaded sleeve 209 is T-shaped. By adopting the T-shaped shape of the threaded sleeve 209, the purpose of facilitating rotation can be achieved;

[0036] Referring to Figure 1 , Figure 2 , Figure 4 and Figure 6 , the dust-proofing mechanism 3 includes a sealing ring 301. Installation ring grooves 303 are formed on the outer wall of one side of the first connecting disk 201 and the second connecting disk 202. The sealing ring 301 is movably sleeved on the two installation ring grooves 303. By providing the sealing ring 301, a better sealing effect can be achieved at the junction of the first connecting disk 201 and the second connecting disk 202, thus avoiding problems such as rust caused by rainwater entry and blockage caused by dust intrusion, and having better usability. On both sides of the inner wall of the sealing ring 301, installation snap rings 302 are fixedly sleeved. The two installation snap rings 302 are respectively engaged in the corresponding installation ring grooves 303. By engaging the installation snap rings 302 in the installation ring grooves 303, a better waterproof and dust-proof effect on the sealing ring 301 can be achieved.

[0037] Working principle: When installed and used, two L-shaped half snap rings 203 on the second connecting plate 202 are engaged and arranged in the annular groove 204, and the second connecting plate 202 is rotated so that the L-shaped half snap ring 203 contacts the half snap retaining ring 205, thereby achieving a better limiting effect. The fixed threaded rod 208 is rotated so that its thread is sleeved in the first threaded hole 206 and the second threaded hole 207, and the threaded sleeve 209 is rotated, and then the purpose of stably fixing the first connecting plate 201 and the second connecting plate 202 can be achieved. At the same time, when the threaded sleeve 209 is rotated, the annular threaded ring 210 will be threadedly sleeved in the annular threaded groove 211, thereby greatly improving the firmness of the connection. When it needs to be removed, just operate in the reverse direction. The sealing ring 301 provided can achieve a better sealing effect on the joint of the first connecting plate 201 and the second connecting plate 202, thereby avoiding the problems of rust caused by rainwater intrusion and blockage caused by dust intrusion, and has better usability. And by the engagement setting of the mounting ring 302 in the mounting ring groove 303, the purpose of stably limiting the sealing ring 301 can be achieved, and the problem that the sealing ring 301 is forced to shift during the rotation of the coupling, resulting in the exposure of the gap between the connecting plates, can be avoided.

[0038] Finally, it should be noted that the above are only the preferred specific embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing specific embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing specific embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multi-purpose coupling, comprising two coupling barrels (1), characterized in that: A loading and unloading mechanism (2) is fixedly arranged between the two coupling cylinders (1), and an ash blocking mechanism (3) is sleeved on the outer wall of the loading and unloading mechanism (2); The loading and unloading mechanism (2) comprises a No. 1 connection plate (201) and a No. 2 connection plate (202), wherein the No. 1 connection plate (201) and the No. 2 connection plate (202) are respectively fixedly connected to one side of two coupling cylinders (1), a No. 1 threaded hole (206) is provided on one side of the No. 1 connection plate (201) near the front and rear and near the upper and lower parts, and a No. 2 threaded hole (207) is provided on one side of the No. 2 connection plate (202) near the front and rear and near the upper and lower parts, a plurality of the No. 1 threaded holes (206) are all threadedly sleeved with fixed threaded rods (208), and the plurality of the fixed threaded rods (208) are respectively threadedly sleeved on the corresponding No. 2 threaded holes (207), and a threaded sleeve (209) is threadedly sleeved on one side of the outer wall of the plurality of the fixed threaded rods (208).

2. A multi-purpose coupling according to claim 1, characterized in that: The ash blocking mechanism (3) comprises a sealing ring (301), and one side of the outer wall of the No. 1 connecting disk (201) and the No. 2 connecting disk (202) is provided with a mounting ring groove (303), and the sealing ring (301) is movably sleeved on the two mounting ring grooves (303).

3. A multi-purpose coupling according to claim 2, characterized in that: Both sides of the inner wall of the sealing ring (301) are fixedly sleeved with mounting snap rings (302), and the two mounting snap rings (302) are respectively engaged and arranged in corresponding mounting ring grooves (303).

4. A multi-purpose coupling according to claim 1, characterized in that: An annular groove (204) is provided on one side of the first connecting disk (201), and L-shaped half-circlips (203) are fixedly connected to the upper and lower outer walls of one side of the second connecting disk (202), and the two L-shaped half-circlips (203) are both engaged and arranged in the annular groove (204).

5. A multi-purpose coupling according to claim 4, characterized in that: Semi-blocking rings (205) are fixedly connected to the upper and lower parts of one side of the inner wall of the annular groove (204), and the two L-shaped semi-blocking rings (203) are respectively engaged with the corresponding semi-blocking rings (205).

6. A multi-purpose coupling according to claim 1, characterized in that: An annular threaded ring (210) is fixedly connected to one side of the plurality of threaded sleeves (209), and an annular threaded groove (211) is provided at the upper and lower parts and the front and rear parts of one side of the second connecting plate (202), and the plurality of annular threaded rings (210) are respectively threadedly sleeved in the corresponding annular threaded grooves (211).

7. A multi-purpose coupling according to claim 1, characterized in that: The threaded sleeve (209) is in a T-shape.

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