Dustproof structure and plum coupling

Abstract

The utility model relates to the technical field of couplings, in particular to a dustproof structure and a plum coupling, which comprise a coupling body and connecting columns, the connecting columns are positioned at two ends of the coupling body, the connecting columns are connected with an arc-shaped mounting plate I and an arc-shaped mounting plate II through sliding chutes, and the arc-shaped mounting plate I and the arc-shaped mounting plate II are connected with a shell. The surface of the coupler body is in contact with a dustproof sleeve which is located between the shell and the coupler body. The dustproof coupler has the beneficial effects that first-layer dust prevention can be achieved through the shell outside the coupler body, second-layer dust prevention can be achieved through the filter cartridge and the dustproof sleeve on the surface of the coupler body, the whole dustproof coupler is easy to install, and dust can be effectively prevented from entering gaps of the coupler body.

Description

Technical Field

[0001] The utility model relates to the technical field of couplings, in particular to a dustproof structure and a plum blossom coupling. Background Art

[0002] The plum blossom coupling is a widely used coupling, also known as a claw coupling. It consists of two metal claw plates and an elastomer. The two metal claw plates are generally made of 45 steel, but aluminum alloy is also used when load sensitivity is required. It is mostly used in metallurgy, mining, petroleum, chemical industry, compressors, lifting, transportation, light industry, textiles, water pumps and fans.

[0003] In a dusty environment, dust can easily enter the gap between the claws and the elastic body of a plum blossom coupling, increasing the friction between the elastic body and the claw surface and affecting the elasticity of the elastic body. To this end, the present invention proposes a dustproof structure and a plum blossom coupling to solve the above problem. Utility Model Content

[0004] The purpose of the present invention is to provide a focusing ring and a camera lens focusing mechanism to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a dust-proof structure, comprising: a coupling body and a connecting column, the connecting column being located at both ends of the coupling body, the connecting column being connected to arc-shaped mounting plate 1 and arc-shaped mounting plate 2 through a slide groove, the arc-shaped mounting plate 1 and arc-shaped mounting plate 2 being connected to an outer shell, the surface of the coupling body being in contact with a dust-proof sleeve, and the dust-proof sleeve being located between the outer shell and the coupling body.

[0006] Preferably, both ends of the coupling body are fixedly connected with connecting columns, a sliding groove is provided on the surface of the connecting column, and a connecting groove is provided on the inner wall of the sliding groove close to the side of the coupling body, and the width of the connecting groove is smaller than the sliding groove.

[0007] Preferably, the arc-shaped mounting plate 1 and the arc-shaped mounting plate 2 are both semicircular and contact each other. A groove is provided on the side of the arc-shaped mounting plate 1 close to the arc-shaped mounting plate 2, and an insert is provided on the side of the arc-shaped mounting plate 2 close to the arc-shaped mounting plate 1, and the insert is plugged into the groove.

[0008] Preferably, the outer side of the coupling body is in close contact with the dust cover, the outer side of the dust cover is in contact with a filter cartridge, a plurality of filter holes are provided on the surface of the filter cartridge, and one side of the arc-shaped mounting plate 1 and the arc-shaped mounting plate 2 are in contact with the coupling body, the dust cover and the filter cartridge.

[0009] Preferably, the diameter of the shell is larger than the filter cartridge, the filter cartridge is located inside the shell, and heat dissipation holes are provided on the surface of the shell. Two threaded holes are provided on both sides of the shell, and the side of the arc-shaped mounting plate 2 is fixedly connected to a fixing block. The inner wall of the groove and the surface of the fixing block are provided with threaded holes, and the threaded holes pass through the arc-shaped mounting plate 1. The surface of the arc-shaped mounting plate 1 is in contact with a screw, and the other side of the thread passes through the threaded holes of the arc-shaped mounting plate 1, the fixing block and the shell in sequence, and all are threaded connections.

[0010] Preferably, the inner surfaces of the arc-shaped mounting plate 1 and the arc-shaped mounting plate 2 are both provided with an inserting plate, which contacts the connecting groove, has a width less than half of the sliding groove, and the fixing block is inserted into the groove.

[0011] A plum blossom coupling comprises the above-mentioned dust-proof structure.

[0012] Compared with the existing technology, the beneficial effects of the present invention are: the first layer of dust protection can be performed through the outer shell outside the coupling body, the filter cartridge and dust cover on the surface of the coupling body can perform the second layer of dust protection, the whole is easy to install, and the gaps in the coupling body can be effectively dust-proof. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the entire utility model;

[0014] Figure 2 This is a schematic diagram of the coupling body of the utility model;

[0015] Figure 3 This is a schematic diagram of the interior of the housing of the utility model;

[0016] Figure 4 It is a side view of the groove of the utility model.

[0017] In the figure: 1. Coupling body; 2. Connecting column; 3. Slide groove; 4. Connecting groove; 5. Arc-shaped mounting plate 1; 6. Arc-shaped mounting plate 2; 7. Groove; 8. Insert plate; 9. Fixing block; 10. Threaded hole; 11. Heat dissipation hole; 12. Housing; 13. Filter cartridge; 14. Filter hole; 15. Dust cover; 16. Screw. DETAILED DESCRIPTION

[0018] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention and are not intended to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figures 1 to 4 The utility model provides a technical solution: a dust-proof structure, comprising: a coupling body 1 and a connecting column 2. The coupling body 1 is an important component of mechanical connection. The connecting column 2 is fixedly connected to both ends of the coupling body 1. A slide groove 3 is provided on the surface of the connecting column 2. The slide groove 3 facilitates the installation of the dust-proof structure. A connecting groove 4 is provided on the inner wall of the slide groove 3 close to the side of the coupling body 1. This connecting groove 4 can effectively improve the overall tightness.

[0020] The arc-shaped mounting plate 1 5 and the arc-shaped mounting plate 2 6 have the same shape and size and are both semicircular, and the two can form a complete circle when in contact with each other. A groove 7 is provided on the side of the arc-shaped mounting plate 1 5 close to the arc-shaped mounting plate 2 6. The length and shape of the groove 7 are the same as those of the side of the arc-shaped mounting plate 1 5. An insert plate 8 is provided on the side of the arc-shaped mounting plate 2 6 close to the arc-shaped mounting plate 1 5. The insert plate 8 has the same length and shape as the side of the arc-shaped mounting plate 2 6. The two can be connected to each other by plugging the insert plate 8 into the groove 7. The inner walls of the arc-shaped mounting plate 1 5 and the arc-shaped mounting plate 2 6 are in close contact with the connecting column 2, the coupling body 1, the outer shell 12, the filter cartridge 13 and the dust cover 15.

[0021] The surface of the coupling body 1 is in contact with a dust cover 15, which is sleeved on the outer surface of the coupling body 1. The outer side of the dust cover 15 is sleeved with a filter cartridge 13. The surface of the filter cartridge 13 is provided with a number of filter holes 14. When there is a small amount of dust, it can be effectively isolated by the filter cartridge 13, and the filter holes 14 can also conduct and dissipate internal heat. The diameter of the outer shell 12 is larger than the filter cartridge 13, and the filter cartridge 13 is located inside the outer shell 12, so that most of the dust can be isolated on the outer surface of the outer shell 12. The surface of the outer shell 12 is provided with heat dissipation holes 11. The heat generated by the coupling body 1 during operation can be effectively protected by the heat dissipation holes 11.

[0022] The two sides of the shell 12 are provided with two threaded holes 10, and the side of the arc-shaped mounting plate 2 6 is fixedly connected with a fixing block 9, and the fixing block 9 is plugged into the groove 7. The inner wall of the groove 7 and the surface of the fixing block 9 are provided with threaded holes 10, and the threaded holes 10 pass through the arc-shaped mounting plate 1 5, and the arc-shaped mounting plate 1 5 and the arc-shaped mounting plate 2 6 can be fixed through the threaded holes 10. The surface of the arc-shaped mounting plate 1 5 is in contact with a screw 16, and the other side of the thread passes through the threaded holes 10 of the arc-shaped mounting plate 1 5, the fixing block 9 and the shell 12 in turn, and they are all threadedly connected. At this time, the positions of the arc-shaped mounting plate 1 5, the arc-shaped mounting plate 2 6 and the shell 12 are all fixed, and the inner surfaces of the arc-shaped mounting plate 1 5 and the arc-shaped mounting plate 2 6 are provided with an inserting plate 8, which is plugged into the connecting groove 4, so that the two ends of the device as a whole are fixed to the surface of the connecting column 2, and the overall structure is more stable. The width of the inserting plate 8 is less than half of the slide groove 3, which is convenient for disassembly of the whole.

[0023] A plum blossom coupling comprises the dustproof structure described above.

[0024] When this device is working, after checking that the device is correct, the dust cover 15 and the filter cartridge 13 are sleeved on the surface of the coupling body 1, and then the arc-shaped mounting plate 1 5 and the arc-shaped mounting plate 2 6 are inserted into the slide groove 3 of the connecting column 2, and the plug-in plate 8 on the inner wall is inserted into the connecting groove 4. At this time, the plug-in plate 8 on the side of the arc-shaped mounting plate 2 6 is located in the groove 7 on the side of the arc-shaped mounting plate 1 5, and then the outer shell 12 is connected. During this process, the threaded hole 10 is aligned, and then connected by screws 16 to complete the installation. During the operation of the coupling body 1, dust will be isolated on the outside of the outer shell 12. If a small amount of dust enters the outer shell 12, it will also be isolated by the filter cartridge 13 and the dust cover 15, so that the coupling body 1 can be effectively dust-proof.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dustproof structure, characterized in that: The dustproof structure comprises: a coupling body (1) and a connecting column (2), wherein the connecting column (2) is located at both ends of the coupling body (1), the connecting column (2) is connected to an arc-shaped mounting plate 1 (5) and an arc-shaped mounting plate 2 (6) through a slide groove (3), the arc-shaped mounting plate 1 and the arc-shaped mounting plate 2 (6) are connected to a shell (12), the surface of the coupling body (1) is in contact with a dustproof sleeve (15), and the dustproof sleeve (15) is located between the shell (12) and the coupling body (1).

2. A dustproof structure according to claim 1, characterized in that: Both ends of the coupling body (1) are fixedly connected with connecting columns (2), a sliding groove (3) is provided on the surface of the connecting column (2), and a connecting groove (4) is provided on the inner wall of the sliding groove (3) on a side close to the coupling body (1), and the width of the connecting groove (4) is smaller than that of the sliding groove (3).

3. The dustproof structure according to claim 1, characterized in that: The arc-shaped mounting plate 1 (5) and the arc-shaped mounting plate 2 (6) are both semicircular and contact each other. A groove (7) is provided on the side of the arc-shaped mounting plate 1 (5) close to the arc-shaped mounting plate 2 (6), and an inserting plate (8) is provided on the side of the arc-shaped mounting plate 2 (6) close to the arc-shaped mounting plate 1 (5). The inserting plate (8) is plugged into the groove (7).

4. The dustproof structure according to claim 1, characterized in that: The outer side of the coupling body (1) is in close contact with the dust cover (15), the outer side of the dust cover (15) is in contact with the filter cartridge (13), the surface of the filter cartridge (13) is provided with a plurality of filter holes (14), and one side of the arc-shaped mounting plate 1 (5) and the arc-shaped mounting plate 2 (6) are in contact with the coupling body (1), the dust cover (15) and the filter cartridge (13).

5. The dustproof structure according to claim 1, characterized in that: The diameter of the shell (12) is larger than that of the filter cartridge (13). The filter cartridge (13) is located inside the shell (12). A heat dissipation hole (11) is provided on the surface of the shell (12). Two threaded holes (10) are provided on both sides of the shell (12). The side of the arc-shaped mounting plate 2 (6) is fixedly connected with a fixing block (9). The inner wall of the groove (7) and the surface of the fixing block (9) are provided with threaded holes (10). The threaded hole (10) passes through the arc-shaped mounting plate 1 (5). The surface of the arc-shaped mounting plate 1 (5) is in contact with a screw (16). The other side of the thread passes through the threaded holes (10) of the arc-shaped mounting plate 1 (5), the fixing block (9) and the shell (12) in sequence, and all are threadedly connected.

6. The dustproof structure according to claim 1, characterized in that: The inner surfaces of the arc-shaped mounting plate 1 (5) and the arc-shaped mounting plate 2 (6) are both provided with an inserting plate (8), which contacts the connecting groove (4). The width of the inserting plate (8) is less than half of the sliding groove (3), and the fixing block (9) is inserted into the groove (7).

7. A plum blossom coupling, characterized by: The dustproof structure comprises the dustproof structure according to any one of claims 1 to 6.

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