Split type bearing gland

Abstract

The utility model belongs to the technical field of diaphragm pumps, and particularly relates to a split type bearing gland. The utility model relates to a shaft coupling gland which comprises a gland body, the gland body is matched with a support bearing, a withdrawal sleeve is connected inside the support bearing, a compression nut is arranged above the withdrawal sleeve, the compression nut is arranged on the outer side of a thread bushing, and a shaft coupling is arranged on the thread bushing. The end, away from the box body, of the gland body is connected with an oil seal box. During maintenance and overhaul, the bearing gland at the input end does not need to be completely disassembled, and only the gland body and the oil seal box need to be separated, so that the compression nut can be fastened. The space at the input end of the crankshaft is saved, the bearing gland of a new structure only needs to meet the installation space, structural parts such as the crankshaft do not need to be lengthened, and the material cost is saved. Due to the fact that the split structure is adopted, different positions can be replaced, and machining and maintaining cost is remarkably reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of diaphragm pumps, and in particular relates to a split bearing gland. Background Art

[0002] The bearing gland at the input end of the diaphragm pump has always been an integral structure. After the diaphragm pump has been running continuously for a period of time, it is necessary to tighten the support bearings at both ends of the bearing gland at the input end with compression nuts. At this time, the bearing gland at the input end needs to be completely removed. Due to the structural reasons at the input end of the diaphragm pump, the external gear sleeve at the input end of the crankshaft needs to be removed first, which makes the maintenance operation complicated. Utility Model Content

[0003] The utility model aims to provide a split bearing gland which can help tighten a compression nut without disassembling the overall structure.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions.

[0005] A split bearing gland comprises a gland body, which is arranged in cooperation with a support bearing, a withdrawal sleeve is connected inside the support bearing, a clamping nut is arranged above the withdrawal sleeve, the clamping nut is arranged outside the threaded sleeve, and a coupling is arranged on the threaded sleeve. The characteristic is that the gland body is connected to a box body, and an oil seal box is connected to the end of the gland body away from the box body.

[0006] Furthermore, the pressure cover body includes a top cover ring arranged on the top, and the pressure cover body also includes a lap ring arranged to cooperate with the upper surface of the box body; the top cover ring and the lap ring are connected through a cover body; and a cover foot is arranged under the cover body, the outer side of which cooperates with the inner surface of the box body and the lower side cooperates with the support bearing.

[0007] Furthermore, the box body and the gland body are connected by a first bolt arranged on the overlap ring.

[0008] Furthermore, the oil seal box comprises a lap drag, a box body is arranged on the lap drag, a sealing support is arranged on the inner side of the box body in cooperation with the threaded sleeve, and a pressure plate is arranged on the box body in cooperation with the sealing support.

[0009] Furthermore, the pressing plate is connected to the box body by bolts.

[0010] Furthermore, the gland body and the oil seal box are connected by a second bolt passing through the top cover ring and the lap joint.

[0011] Furthermore, an axial sealing ring is provided between the lap joint and the cover body.

[0012] Furthermore, a sealing mechanism is provided on the oil seal box in cooperation with the threaded sleeve, and the sealing mechanism is provided between the pressure plate and the sealing support.

[0013] Furthermore, the oil seal box and the threaded sleeve are arranged through interference fit.

[0014] Furthermore, the heights of the cover body and the box body are arranged in coordination with the position of the compression nut.

[0015] The beneficial effects of the utility model.

[0016] During maintenance and overhaul, there is no need to completely disassemble the input end bearing gland, and only the gland body and the oil seal box need to be disengaged to achieve the tightening of the compression nut.

[0017] The space at the crankshaft input end is saved, and the bearing cover of the new structure only needs to meet the installation space. There is no need to lengthen the crankshaft and other structural parts, thus saving material costs.

[0018] Due to the split structure, different positions can be replaced, which significantly reduces processing and maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Explanation of the serial numbers in the figure: 1-pressure cover body, 2-second bolt, 3-oil seal box, 4-first bolt, 5-sealing mechanism, 6-axial sealing ring, 11-top cover ring, 12-lap ring, 13-cover body, 14-cover foot, 31-lap drag, 32-box body, 33-sealing support, 34-pressure plate, 71-support bearing, 72-withdrawal sleeve, 73-tightening nut, 74-threaded sleeve, 75-coupling. DETAILED DESCRIPTION

[0021] like Figure 1 The utility model includes a gland body 1, which is arranged in conjunction with a support bearing 71. A withdrawal sleeve 72 is connected inside the support bearing 71, a clamping nut 73 is arranged above the withdrawal sleeve 72, the clamping nut 73 is arranged on the outside of a threaded sleeve 74, and a coupling 75 is arranged on the threaded sleeve 74. The characteristic is that the gland body 1 is connected to the box body, and an end of the gland body 1 away from the box body is connected to an oil seal box 3.

[0022] The gland body 1 cooperates with the oil seal box 3 to seal the external environment of the compression nut 73 .

[0023] Furthermore, the pressure cover body 1 includes a top cover ring 11 arranged on the top, and the pressure cover body 1 also includes a lap ring 12 arranged to cooperate with the upper surface of the box body; the top cover ring 11 and the lap ring 12 are connected by a cover body 13; a cover foot 14 is arranged under the cover body 13, and the outer side surface cooperates with the inner surface of the box body and the lower side cooperates with the support bearing.

[0024] The gland body 1 is connected to the structures on both sides by providing a top cover ring 11 and a lap ring 12 , and the gland body is axially limited by a cover foot 14 .

[0025] Furthermore, the box body and the gland body 1 are connected by a first bolt 4 arranged on the overlap ring 12 .

[0026] The first bolt 4 is connected to ensure a firm connection and convenient disassembly.

[0027] Furthermore, the oil seal box 3 comprises a lap drag 31 , a box body 32 is arranged on the lap drag 31 , a sealing support 33 is arranged on the inner side of the box body 32 in cooperation with the threaded sleeve, and a pressure plate 34 is arranged on the box body 32 in cooperation with the sealing support 33 .

[0028] By arranging the structures of the sealing support 33 and the pressing plate 34 , a reasonable space is reserved for arranging the sealing mechanism 5 .

[0029] Furthermore, the pressing plate 34 is connected to the box body 32 via bolts.

[0030] The connection is secured by bolts.

[0031] Furthermore, the gland body 1 and the oil seal box 3 are connected by a second bolt 2 passing through the top cover ring 11 and the lap joint 31 .

[0032] The second bolt 2 is connected to ensure a firm connection and convenient disassembly.

[0033] Furthermore, an axial sealing ring 6 is provided between the overlapping drag 31 and the cover body 13 .

[0034] By providing the axial sealing ring 6, the airtightness of the connection between the gland body 1 and the oil seal box 3 is ensured.

[0035] Furthermore, a sealing mechanism 5 is provided on the oil seal box 3 in cooperation with the threaded sleeve, and the sealing mechanism 5 is provided between the pressure plate 34 and the sealing support 33 .

[0036] By providing the sealing mechanism 5 , the airtightness of the connection between the oil seal box 3 and the threaded sleeve 74 is ensured.

[0037] Furthermore, the oil seal box 3 and the threaded sleeve are arranged through interference fit.

[0038] The interference fit setting ensures airtightness during use, and there is no need to design a large number of complex structures when disassembling and moving.

[0039] Furthermore, the heights of the cover body 13 and the box body 32 are matched with the position of the compression nut.

[0040] By reasonably allocating the height of the cover body 13 and the box body 32, after the positions of the two are moved, the exposed clamping nut 73 has a wider field of vision, which is convenient for the operator to perform the tightening operation.

[0041] The use method of the utility model.

[0042] Loosen the first bolt 4 between the gland body 1 and the box body, and loosen the second bolt 2 between the gland body 1 and the oil seal box 3; withdraw the gland body 1 and the oil seal box 3 to the coupling 75, at which time the clamping nut 73 of the withdrawal sleeve 72 is exposed and can be tightened.

[0043] It can be understood that the above specific description of the utility model is only used to illustrate the utility model and is not limited to the technical solution described in the implementation mode of the utility model. Ordinary technicians in the field should understand that the utility model can still be modified or replaced by equivalents to achieve the same technical effect; as long as the use requirements are met, they are within the protection scope of the utility model.

Claims

1. A split bearing gland, comprising a gland body (1), the gland body (1) being arranged in cooperation with a support bearing (71), a withdrawal sleeve (72) being connected inside the support bearing (71), a clamping nut (73) being arranged above the withdrawal sleeve (72), the clamping nut (73) being arranged outside a threaded sleeve (74), and a coupling (75) being arranged on the threaded sleeve (74), characterized in that: The gland body (1) is connected to the box body, and an end of the gland body (1) away from the box body is connected to an oil seal box (3).

2. The split bearing gland according to claim 1, characterized in that: The pressure cover body (1) comprises a top cover ring (11) arranged at the top, and the pressure cover body (1) also comprises a lap ring (12) arranged to cooperate with the upper surface of the box body; the top cover ring (11) and the lap ring (12) are connected by a cover body (13); and a cover foot (14) is arranged under the cover body (13), the outer side surface of which cooperates with the inner surface of the box body and the lower side cooperates with the support bearing.

3. The split bearing gland according to claim 1, characterized in that: The box body and the gland body (1) are connected via a first bolt (4) arranged on the overlap ring (12).

4. The split bearing gland according to claim 1, characterized in that: The oil seal box (3) comprises a lap joint (31), a box body (32) is arranged on the lap joint (31), a sealing support (33) is arranged on the inner side of the box body (32) in cooperation with the threaded sleeve, and a pressing plate (34) is arranged on the box body (32) in cooperation with the sealing support (33).

5. The split bearing gland according to claim 4 is characterized in that: The pressing plate (34) is connected to the box body (32) via bolts.

6. The split bearing gland according to claim 4, characterized in that: The gland body (1) and the oil seal box (3) are connected by a second bolt (2) passing through the top cover ring (11) and the lap joint (31).

7. The split bearing gland according to claim 4, characterized in that: An axial sealing ring (6) is provided between the overlapping drag (31) and the cover body (13).

8. The split bearing gland according to claim 4, characterized in that: The oil seal box (3) is provided with a sealing mechanism (5) in cooperation with the threaded sleeve, and the sealing mechanism (5) is arranged between the pressure plate (34) and the sealing support (33).

9. The split bearing gland according to claim 1, characterized in that: The oil seal box (3) and the threaded sleeve are arranged through an interference fit.

10. The split bearing gland according to claim 2, characterized in that: The heights of the cover body (13) and the box body (32) are arranged in coordination with the position of the compression nut.

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