CN212192981U

CN212192981U - Bearing dismounting device

Info

Publication number: CN212192981U
Application number: CN202020295902.3U
Authority: CN
Inventors: 张武军
Original assignee: Lishui Liandu Wanqing Hardware Factory
Current assignee: Lishui Liandu Wanqing Hardware Factory
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-12-22
Anticipated expiration: 2030-03-11

Abstract

The utility model discloses a bearing dismounting device, including the bottom plate, the last fixed surface of bottom plate is connected with the fixed plate, and the lateral wall of fixed plate rotates and is connected with the external screw thread lead screw, and the both ends of external screw thread lead screw all extend to the outside of fixed plate, and one side fixedly connected with fixed sleeve of fixed plate, fixed sleeve cover are established on the lateral wall of external screw thread lead screw, the utility model discloses the beneficial effect who reaches is: through setting up sliding construction and throw-out collar, because internal thread sleeve screw thread cup joints on the lateral wall of external screw thread lead screw, when dismantling, utilize bearing self's structure, the fixed sleeve supports the bearing, and the inner circle of the mode through spiral feeding through the throw-out collar propelling movement bearing is dismantled, can carry out the split to the bearing fast, and is little to the wearing and tearing of dismounting device self, avoids causing the harm to the bearing moreover, dismantles the bearing easily, and labour saving and time saving dismantles efficiently.

Description

Bearing dismounting device

Technical Field

The utility model relates to a dismounting device, in particular to bearing dismounting device belongs to the dismounting device field.

Background

The bearing is an important spare part in the present generation mechanical equipment, and its main function is the support mechanical rotator, reduces the coefficient of friction in its motion process to guarantee its gyration precision, overhaul or when dismantling, need dismantle the bearing, when dismantling the bearing at present, strike out through the bar copper with the inner circle of bearing, make the bearing produce the harm easily, moreover to dismounting device self wearing and tearing big, be difficult for carrying out the dismantlement of bearing, waste time and energy, dismantle inefficiency, consequently the utility model provides a bearing dismounting device.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome prior art, strike out through the bar copper with the inner circle of bearing, make the bearing produce the harm easily, moreover to dismounting device self wearing and tearing big, be difficult for carrying out the dismantlement of bearing, waste time and energy, dismantle the defect of inefficiency, provide a bearing dismounting device.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a bearing dismounting device, which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a fixed plate, the side wall of the fixed plate is rotatably connected with an external thread lead screw, both ends of the external thread lead screw extend to the outside of the fixed plate, one side of the fixed plate is fixedly connected with a fixed sleeve, the fixed sleeve is sleeved on the outer side wall of the external thread lead screw, the outer side wall of the fixed sleeve is slidably sleeved with a push ring, an internal thread sleeve is sleeved on the outer side wall of the external thread lead screw, a sliding structure is arranged between the internal thread sleeve and the push ring, the sliding structure comprises a sliding block and a limiting sliding groove, the sliding block is slidably connected in the limiting sliding groove, the limiting sliding groove is arranged on the outer side wall of the fixed sleeve, a first fixing ring is sleeved on the outer side, the bottom and the bottom plate fixed connection of connecting block, the first solid fixed ring is close to the solid fixed ring of one side fixedly connected with second of fixed plate.

As a preferred technical scheme of the utility model, the one end fixedly connected with carousel of fixed sleeve is kept away from to the external screw thread lead screw.

As a preferred technical scheme of the utility model, the arc type groove has been seted up to the upper surface of connecting block, the bottom fixed connection of first solid fixed ring and arc type groove inside wall.

As a preferred technical scheme of the utility model, sliding construction is provided with four, four sliding construction is the annular array and distributes as the center with the internal thread sleeve.

As a preferred technical scheme of the utility model, the solid fixed ring's of second internal diameter is shorter than the solid fixed ring's of first internal diameter, push ring sliding connection is in the solid fixed ring's of first fixed ring and second inside, first fixed ring has been seted up to the one side of keeping away from the solid fixed ring of second, the solid fixed ring of second is close to one side of first fixed ring and has been seted up the second ladder groove.

As a preferred technical scheme of the utility model, the one end that the external screw thread lead screw is close to fixed sleeve is located fixed sleeve's inside, internal thread sleeve sliding connection is in fixed sleeve's inside.

The utility model discloses the beneficial effect who reaches is:

the utility model discloses a set up sliding construction and throw-out collar, because internal thread sleeve screw thread cup joints on the lateral wall of external screw thread lead screw, when dismantling, utilize the structure of bearing self, fixed sleeve supports the bearing, first solid fixed ring is inconsistent with the outer lane of bearing, the inner circle of propelling movement bearing through the throw-out collar is dismantled to the mode of feeding through the spiral, can carry out the split to the bearing fast, it is little to the wearing and tearing of dismounting device self, and avoid causing the harm to the bearing, dismantle the bearing easily, time saving and labor saving, it is efficient to dismantle.

The utility model discloses a set up first solid fixed ring and the solid fixed ring of second, when dismantling not unidimensional bearing, the outer lane of not unidimensional bearing can the joint in first step groove or second step groove, makes the throw-out collar promote its inner circle separation, and the practicality is strong.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic diagram of the right-side structure of the present invention;

fig. 3 is a schematic perspective view of a first retaining ring and a second retaining ring of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 1.

In the figure: 1. a base plate; 2. a fixing plate; 3. an external thread screw rod; 31. a turntable; 4. fixing the sleeve; 5. a sliding structure; 51. an internally threaded sleeve; 52. a slider; 53. a limiting chute; 6. a push ring; 7. a first retaining ring; 71. a second retaining ring; 72. connecting blocks; 73. an arc-shaped groove; 74. a first step groove; 75. a second step groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-4, the utility model provides a bearing dismounting device, which comprises a bottom plate 1, a fixed plate 2 is fixedly connected to the upper surface of the bottom plate 1, an external thread lead screw 3 is rotatably connected to the side wall of the fixed plate 2, both ends of the external thread lead screw 3 extend to the outside of the fixed plate 2, a fixed sleeve 4 is fixedly connected to one side of the fixed plate 2, the fixed sleeve 4 is sleeved on the outer side wall of the external thread lead screw 3, a push ring 6 is slidably sleeved on the outer side wall of the fixed sleeve 4, an internal thread sleeve 51 is threadedly sleeved on the outer side wall of the external thread lead screw 3, a sliding structure 5 is arranged between the internal thread sleeve 51 and the push ring 6, when the external thread lead screw 3 rotates, the internal thread sleeve 51 can drive the push ring 6 to spirally feed the push ring 6 to move towards the direction close to the fixed plate 2 through the sliding structure 5, spacing spout 53 is seted up on the lateral wall of fixed sleeve 4, and the cover is equipped with first solid fixed ring 7 on the lateral wall of fixed sleeve 4, the bottom fixedly connected with connecting block 72 of first solid fixed ring 7, the bottom and the bottom plate 1 fixed connection of connecting block 72, the solid fixed ring 7 of one side fixedly connected with second that is close to fixed plate 2 of first solid fixed ring 7 solid fixed ring 71.

The end, far away from the fixed sleeve 4, of the external thread screw rod 3 is fixedly connected with a rotary disc 31, the external thread screw rod 3 is convenient to operate and rotate, an arc-shaped groove 73 is formed in the upper surface of a connecting block 72, a first fixing ring 7 is fixedly connected with the bottom end of the inner side wall of the arc-shaped groove 73, the first fixing ring 7 and a second fixing ring 71 are stably supported by the connecting block 72, four sliding structures 5 are arranged, the four sliding structures 5 are distributed in an annular array mode by taking an internal thread sleeve 51 as the center, so that the connection between a push ring 6 and the internal thread sleeve 51 is more stable, the inner diameter of the second fixing ring 71 is smaller than that of the first fixing ring 7, the push ring 6 is slidably connected inside the first fixing ring 7 and the second fixing ring 71, a first step groove 74 is formed in one side, far away from the second fixing ring 71, and a second step, therefore, when the bearings with different sizes are disassembled, the outer ring of the bearing is clamped inside the first step groove 74 in the first fixing ring 7 or is clamped inside the second step groove 75 in the second fixing ring 71, so that the bearing disassembling device is suitable for disassembling the bearings with different sizes, the practicability is high, one end, close to the fixing sleeve 4, of the external thread screw rod 3 is located inside the fixing sleeve 4, the internal thread sleeve 51 is connected inside the fixing sleeve 4 in a sliding mode, when the external thread screw rod 3 rotates, the sliding block 52 is connected inside the limiting sliding groove 53 in a sliding mode, the sliding block 52 is fixedly connected with the internal thread sleeve 51, and the internal thread sleeve 51 can slide inside the fixing sleeve 4.

Specifically, when the utility model is used, the inner ring of the bearing is sleeved on the outer side wall of the fixed sleeve 4, one side of the bearing close to the fixed plate 2 is abutted against the inner side wall of the first step groove 74 in the second fixed ring 71, the inner thread sleeve 51 is sleeved in the fixed sleeve 4 in a sliding manner, the slide block 52 is connected in the limiting slide groove 53 in a sliding manner, the rotary disc 31 drives the external thread lead screw 3 to rotate by rotating the rotary disc 31, the thread of the inner thread sleeve 51 is sleeved on the outer side wall of the external thread lead screw 3, the push ring 6 is abutted against the inner ring of the bearing, the external thread lead screw 3 is continuously rotated, because the slide block 52 is connected in the limiting slide groove 53 in a sliding manner, and the two ends of the slide block are respectively fixedly connected with the push ring 6 and the inner thread sleeve 51, thereby the spiral feeding push ring 6 slides along the slide groove in the direction close to the, can be fast and stable carry out the split to the bearing, it is little to the wearing and tearing of dismounting device self, can avoid causing the damage to the bearing in addition, dismantle the bearing, time saving and labor saving, it is efficient to dismantle, when dismantling not unidimensional bearing, the outer lane of bearing can offset with the inside wall in first solid fixed ring 7 first step groove 74, perhaps offset with the inside wall of second step groove 75 in the solid fixed ring 71 of second, can dismantle not unidimensional bearing, therefore, the clothes hanger is strong in practicability.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The bearing dismounting device is characterized by comprising a bottom plate (1), wherein a fixed plate (2) is fixedly connected to the upper surface of the bottom plate (1), an external thread screw rod (3) is connected to the side wall of the fixed plate (2) in a rotating manner, the two ends of the external thread screw rod (3) extend to the outside of the fixed plate (2), a fixed sleeve (4) is fixedly connected to one side of the fixed plate (2), the fixed sleeve (4) is sleeved on the outer side wall of the external thread screw rod (3), a push ring (6) is sleeved on the outer side wall of the fixed sleeve (4) in a sliding manner, an internal thread sleeve (51) is sleeved on the outer side wall of the external thread screw rod (3) in a threaded manner, a sliding structure (5) is arranged between the internal thread sleeve (51) and the push ring (6), and the sliding structure (5) comprises a sliding block, slider (52) sliding connection is in the inside of spacing spout (53), set up on the lateral wall of fixed sleeve (4) spacing spout (53), the cover is equipped with first solid fixed ring (7) on the lateral wall of fixed sleeve (4), the bottom fixedly connected with connecting block (72) of first solid fixed ring (7), the bottom and bottom plate (1) fixed connection of connecting block (72), first solid fixed ring (7) are close to the solid fixed ring (71) of one side fixedly connected with second of fixed plate (2).

2. A bearing dismounting device according to claim 1, characterized in that a turntable (31) is fixedly connected to the end of the externally threaded screw spindle (3) remote from the fixing sleeve (4).

3. A bearing dismounting device according to claim 1, wherein the upper surface of the connecting block (72) is provided with an arc-shaped groove (73), and the first fixing ring (7) is fixedly connected with the bottom end of the inner side wall of the arc-shaped groove (73).

4. A bearing dismounting device according to claim 1, characterized in that said sliding structures (5) are provided in four, four of said sliding structures (5) being distributed in an annular array centered on the internally threaded sleeve (51).

5. A bearing dismounting device according to claim 1, wherein the inner diameter of the second fixing ring (71) is smaller than the inner diameter of the first fixing ring (7), the push ring (6) is slidably connected inside the first fixing ring (7) and the second fixing ring (71), a first stepped groove (74) is formed in one side of the first fixing ring (7) away from the second fixing ring (71), and a second stepped groove (75) is formed in one side of the second fixing ring (71) close to the first fixing ring (7).

6. A bearing dismounting device according to claim 1, characterized in that the end of the externally threaded screw (3) close to the fixed sleeve (4) is located inside the fixed sleeve (4), the internally threaded sleeve (51) being slidingly connected inside the fixed sleeve (4).