CN210830203U - A self-circulating lubrication coupling - Google Patents

Abstract

The utility model discloses a self-circulating lubrication coupling, which comprises a first coupling barrel and a second locking bolt. The outer side surface of the second coupling barrel is provided with a first locking bolt, and the first locking bolt is The inner end of the bolt penetrates the outer side surface of the second coupling barrel and the first cavity is rotatably connected with a first clamping block, while the first cavity is arranged on the inner side wall of the second coupling barrel, and the first clamping block is arranged on the inner side wall of the second coupling barrel. In the first slot, the second locking bolt is arranged on the outer side of the first coupling barrel, and the inner end of the second locking bolt penetrates the outer side of the first coupling barrel and is rotatably connected to the second cavity. The second clamping block, meanwhile, the second cavity is arranged on the inner side wall of the first coupling barrel, and the second clamping block is arranged in the second clamping groove. The self-circulating lubrication coupling, when using the coupling, open the valve on the oil pipe, when the coupling rotates, the lubricating oil can replenish oil through the oil pipe to the connection between the first coupling barrel and the second coupling barrel Lubrication keeps the joints low in friction and reduces their wear.

Description

A self-circulating lubrication coupling

technical field

The utility model relates to the technical field of couplings, in particular to a self-circulating lubrication coupling.

Background technique

Coupling is a mechanical part used to connect two shafts in different mechanisms and make them rotate together to transmit torque. The coupling consists of two halves, which are respectively connected with the driving shaft and the driven shaft. Common couplings When running for a long time, the joints will be worn due to tiny vibrations. It needs to be lubricated to reduce the friction. It is not convenient to add lubricating oil when the coupling is running. Now a self-circulating lubrication coupling is needed to solve the problem. the above problem.

Utility model content

The purpose of this utility model is to provide a self-circulating lubrication coupling, in order to solve the problem that the common coupling proposed in the above-mentioned background technology runs for a long time, and its joint will be worn due to micro vibration, and it needs to be lubricated, To reduce the friction generated, it is inconvenient to add lubricating oil during the operation of the usual coupling.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a self-circulating lubrication coupling, comprising a first coupling barrel and a second locking bolt, and a first coupling barrel is provided on the right side of the first coupling barrel. The connecting plate body is connected, and the first connecting plate body is provided with a connecting bolt, the right end of the connecting bolt penetrates the first connecting plate body and is connected with the second connecting plate body, and the right side of the second connecting plate body is provided with a second connecting plate body. A shaft barrel, the outer side of the second coupling barrel is provided with a first locking bolt, and the inner end of the first locking bolt penetrates the outer side of the second coupling barrel and the first cavity and is rotatably connected with a first clamping block, At the same time, the first cavity is arranged on the inner side wall of the second coupling cylinder, the first clamping block is arranged in the first clamping slot, and the first clamping slot is arranged on the first rotating shaft, and the second locking bolt It is arranged on the outer side of the first coupling barrel, and the inner end of the second locking bolt penetrates through the outer side of the first coupling barrel and the second cavity and is rotatably connected with a second clamping block, and the second cavity is arranged on the first coupling barrel. On the inner side wall of a coupling barrel, the second clamping block is arranged in the second clamping slot, and the second clamping slot is arranged on the second rotating shaft.

Preferably, the first connecting plate body is connected with the second connecting plate body by means of connecting bolts, and the connecting bolts are distributed on the first connecting plate body in an annular array.

Preferably, the first connecting plate body includes a fixing hole and a concave groove, and both the fixing hole and the concave groove are arranged on the right end face of the first connecting plate body, and the fixing hole is arranged inside the concave groove.

Preferably, the second connecting plate body includes a fixing rod, a sealing cover, an oil storage chamber, an oil pipe and a valve, and the fixing rod is arranged on the left end face of the second connecting plate body, and the outer side surface of the second connecting plate body is threadedly connected There is a sealing cover, and an oil storage cavity is arranged inside the second connecting plate body, the left side of the oil storage cavity is communicated with the oil pipe, and the oil pipe is provided with a valve.

Preferably, the first locking bolt and the second coupling barrel are threadedly connected, and the first locking bolt and the first clamping block are rotationally connected, and the size of the first clamping block is consistent with the first clamping block. The dimensions of the grooves match.

Preferably, the second locking bolt and the first coupling barrel are threadedly connected, and the second locking bolt and the second clamping block are rotationally connected, and the second clamping block is related to the first coupling barrel. The centerline is set symmetrically.

Compared with the prior art, the beneficial effect of the present utility model is: the self-circulating lubrication coupling,

(1) A fixing hole and a fixing rod are respectively provided on the first coupling cylinder and the second coupling cylinder, and the fixing rod and the fixing hole are matched and clamped together to enhance the connection between the first coupling cylinder and the second coupling cylinder. Stability, so as to ensure that the coupling will not be loose after long-term use;

(2) The lubricating oil can be added to the oil storage chamber by opening the sealing cover. When the coupling is used, the valve on the oil pipe can be opened. When the coupling rotates, the lubricating oil can pass through the oil pipe to the first coupling barrel and the second Oil supply and lubrication are carried out at the connection of the second coupling barrel to keep the friction of the connection small and reduce its wear. When the coupling needs to be disassembled and maintained, the valve on the oil pipe should be closed to reduce the leakage of lubricating oil.

Description of drawings

Fig. 1 is the front view sectional structure schematic diagram of the utility model;

Figure 2 is a schematic cross-sectional view of the connection between the first connection plate body and the second connection plate body of the present invention;

FIG. 3 is a schematic view of the enlarged structure of the position A in FIG. 2 of the present utility model.

In the figure: 1. The first coupling barrel, 2. The first connecting plate body, 201, The fixing hole, 202, The concave groove, 3. The connecting bolt, 4. The second connecting plate body, 401, The fixing rod, 402, The seal Cover, 403, oil storage chamber, 404, oil pipe, 405, valve, 5, second coupling barrel, 6, first locking bolt, 7, first cavity, 8, first clamping block, 9, first Card slot, 10, first shaft, 11, second locking bolt, 12, second cavity, 13, second block, 14, second card slot, 15, second shaft.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present invention provides a technical solution: a self-circulating lubrication coupling, as shown in FIG. 1, FIG. 2 and FIG. 3, the right side of the first coupling barrel 1 is provided with a second A connecting plate body 2, and the first connecting plate body 2 is provided with connecting bolts 3, and a sealing ring is arranged at the connection between the first connecting plate body 2 and the second connecting plate body 4, and the first connecting plate body 2 passes through the connecting bolts 3. There is a threaded connection with the second connecting plate body 4, and the connecting bolts 3 are distributed on the first connecting plate body 2 in an annular array. The first connecting plate body 2 is connected with the second connecting plate body 4 through the connecting bolts 3. To facilitate disassembly and maintenance, the first connecting plate body 2 includes a fixing hole 201 and a concave groove 202, and the fixing hole 201 and the concave groove 202 are both arranged on the right end face of the first connecting plate body 2, and the fixing hole 201 is arranged in the concave groove 202. On the inner side, the fixing hole 201 cooperates with the fixing rod 401 to enhance the stability between the first coupling cylinder 1 and the second coupling cylinder 4, and a cushion is arranged between the fixing hole 201 and the fixing rod 401 to improve its clamping force, Therefore, it is ensured that the coupling will not be loosened during long-term use. The right end of the connecting bolt 3 penetrates the first connecting plate body 2 and is connected to the second connecting plate body 4, and the right side of the second connecting plate body 4 is provided with a second connecting plate body. The second coupling cylinder 5, the second connecting disc body 4 includes a fixing rod 401, a sealing cover 402, an oil storage chamber 403, an oil pipe 404 and a valve 405, and the fixing rod 401 is arranged on the left end face of the second connecting disc body 4, the first A sealing cover 402 is threadedly connected to the outer side of the second connecting plate body 4, and an oil storage cavity 403 is arranged inside the second connecting plate body 4. The left side of the oil storage cavity 403 is communicated with the oil pipe 404, and the oil pipe 404 is provided with a valve 405. When the coupling is working, the valve 405 can be opened, so that the lubricating oil in the oil storage chamber 403 lubricates the connection between the second connecting plate body 4 and the first connecting plate body 2 to reduce friction, and the sealing cover 402 is connected with the second connecting plate body 405. The threaded connection of the disc body 4 is provided with a sealing gasket to ensure the tightness of the connection.

As shown in FIG. 1 , a first locking bolt 6 is provided on the outer side of the second coupling barrel 5 , and the inner end of the first locking bolt 6 penetrates through the outer side of the second coupling barrel 5 and is rotatably connected to the first cavity 7 There is a first clamping block 8, while the first cavity 7 is arranged on the inner side wall of the second coupling barrel 5, the first locking bolt 6 and the second coupling barrel 5 are threadedly connected, and the first locking The bolt 6 and the first clamping block 8 are connected in rotation, and the size of the first clamping block 8 is consistent with the size of the first clamping slot 9, and the first locking bolt 6 is rotated to push the first clamping block 8 and the first clamping block 8. The card slot 9 is engaged to connect and fix the first shaft 10 , the first block 8 is arranged in the first card slot 9 , and the first card slot 9 is arranged on the first shaft 10 , and the second locking bolt 11 is arranged on the The outer side of the first coupling barrel 1, and the inner end of the second locking bolt 11 penetrates through the outer side of the first coupling barrel 1 and the second cavity 12 and is rotatably connected with a second block 13, while the second cavity 12 is arranged on the inner side wall of the first coupling barrel 1, the second locking bolt 11 and the first coupling barrel 1 are threadedly connected, and the second locking bolt 11 and the second clamping block 13 are rotated. At the same time, the second clamping block 13 is symmetrically arranged about the center line of the first coupling cylinder 1, and the second locking bolt 11 is rotated to push the second clamping block 13 to engage with the second clamping slot 14, and the second rotating shaft 15 is connected and fixed. , the second clamping block 13 is arranged in the second clamping slot 14 , and the second clamping slot 14 is arranged on the second rotating shaft 15 .

Working principle: When using the self-circulating lubricating coupling, connect the fixing rod 401 to the fixing hole 201 to increase its clamping force, thereby ensuring that the coupling will not be loosened during long-term use. The connecting bolt 3 connects the first connecting disc body 2 and the second connecting disc body 4 by thread, and the first rotating shaft 10 is inserted into the second coupling cylinder 5, and the first locking bolt 6 is screwed to make the first locking bolt 6. Push the first block 8 out of the first cavity 7 to engage with the first card slot 9, insert the second shaft 15 into the first coupling cylinder 1, and turn the second locking bolt 11, so that the second The locking bolt 11 pushes the second clamping block 13 out of the second cavity 12 and engages with the second clamping slot 14, connects the first rotating shaft 10 and the second rotating shaft 15 through a coupling for transmission, and unscrews the sealing cover 402 to the storage Lubricating oil is added to the oil cavity 403. When the coupling is working, the valve 405 on the oil pipe 404 is opened, so that the lubricating oil can lubricate the connection between the first connecting plate body 2 and the second connecting plate body 4 through the oil pipe 404 to reduce friction and reduce friction. When the coupling is used for a long time and needs to be maintained and replaced, close the valve 405 to reduce the leakage of lubricating oil when the coupling is disassembled, and rotate the connecting bolt 3 to separate the first coupling barrel 1 and the second coupling barrel 5 for maintenance. The content described in detail belongs to the prior art known to those skilled in the art.

The terms "center", "portrait", "horizontal", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, and is only a simplified description for the convenience of describing the present invention, rather than indicating or implying that the indicated device or element must have a specific Orientation, construction and operation are specific orientations, and therefore should not be construed as limiting the protection content of the present invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the present utility model, any modifications, equivalent replacements, improvements, etc. made shall be included within the protection scope of the present utility model.

Claims (6)

1. A self-circulating lubricated shaft coupling comprises a first shaft coupling cylinder (1) and a second locking bolt (11), and is characterized in that: the right side of the first coupling cylinder (1) is provided with a first connecting disc body (2), the first connecting disc body (2) is provided with a connecting bolt (3), the right end of the connecting bolt (3) penetrates through the first connecting disc body (2) to be connected with a second connecting disc body (4), the right side of the second connecting disc body (4) is provided with a second coupling cylinder (5), the outer side surface of the second coupling cylinder (5) is provided with a first locking bolt (6), the inner end of the first locking bolt (6) penetrates through the outer side surface of the second coupling cylinder (5) and a first cavity (7) to be rotatably connected with a first clamping block (8), meanwhile, the first cavity (7) is arranged on the inner side wall of the second coupling cylinder (5), the first clamping block (8) is arranged in a first clamping groove (9), the first clamping groove (9) is arranged on a first rotating shaft (10), the second locking bolt (11) is arranged on the outer side surface of the first coupling cylinder (1), and the inner of the second locking bolt (11) runs through the outer side surface of the first coupling cylinder (1) and the second cavity (12) to be connected with a second clamping block (13) in a rotating mode, meanwhile, the second cavity (12) is arranged on the inner side wall of the first coupling cylinder (1), the second clamping block (13) is arranged in the second clamping groove (14), and the second clamping groove (14) is arranged on the second rotating shaft (15).

2. A self-circulating lubricated coupling according to claim 1, wherein: the first connecting disc body (2) is in threaded connection with the second connecting disc body (4) through the connecting bolts (3), and the connecting bolts (3) are distributed on the first connecting disc body (2) in an annular array shape.

3. A self-circulating lubricated coupling according to claim 1, wherein: first connection disk body (2) are including fixed orifices (201) and concave groove (202), and fixed orifices (201) and concave groove (202) all set up the right-hand member face at first connection disk body (2), and fixed orifices (201) set up at concave groove (202) inboard simultaneously.

4. A self-circulating lubricated coupling according to claim 1, wherein: disk body (4) are connected to the second including dead lever (401), sealed lid (402), oil storage chamber (403), oil pipe (404) and valve (405), and dead lever (401) set up the left end face of connecting disk body (4) at the second, the lateral surface threaded connection of disk body (4) is connected to the second has sealed lid (402), and disk body (4) inside oil storage chamber (403) are connected to the second, the left side and oil pipe (404) of oil storage chamber (403) are linked together, and be provided with valve (405) on oil pipe (404).

5. A self-circulating lubricated coupling according to claim 1, wherein: the first locking bolt (6) is in threaded connection with the second coupling cylinder (5), the first locking bolt (6) is in rotational connection with the first clamping block (8), and meanwhile the size of the first clamping block (8) is matched with that of the first clamping groove (9).

6. A self-circulating lubricated coupling according to claim 1, wherein: the second locking bolt (11) is in threaded connection with the first coupling barrel (1), the second locking bolt (11) is in rotational connection with the second clamping block (13), and the second clamping block (13) is symmetrically arranged relative to the center line of the first coupling barrel (1).

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