CN211951247U

CN211951247U - Pump shaft transmission coupling

Info

Publication number: CN211951247U
Application number: CN202020040631.7U
Authority: CN
Inventors: 叶于敏
Original assignee: Recas Nanjing Precision Machinery Co ltd
Current assignee: Recas Nanjing Precision Machinery Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-11-17
Anticipated expiration: 2030-01-09

Abstract

The utility model relates to a shaft coupling technical field, and a pump shaft transmission shaft coupling is disclosed, including driving shaft and driven shaft, the equal symmetrical cover in the axle wall both sides of driving shaft and driven shaft is equipped with two and presss from both sides the cover, two equal symmetrical fixedly connected with of lateral wall that press from both sides the cover are close to the board, corresponding two are close to threaded connection between the board and have many bolts of being close to, four press from both sides the equal fixedly connected with fixed ring piece of one end that the cover is close to each other, the lateral wall that four fixed ring pieces were kept away from each other all is equipped with the stripper plate, it is in the same place through a plurality of extrusion bolt threaded connection to be located two stripper plates on the right side, it is in the. The utility model discloses can be applicable to the axle of different diameters, the effectual suitability that improves this shaft coupling with can lock shaft coupling and axle, prevent because not fixed well between shaft coupling and the axle and lead to the shaft coupling to become invalid.

Description

Pump shaft transmission coupling

Technical Field

The utility model relates to a shaft coupling technical field especially relates to a pump shaft transmission shaft coupling.

Background

The friction coupling is one of the couplings, the friction couplings adopt elastic parts, a preset friction force is provided between the driving shaft and the driven shaft, when the torque force is lower than the friction force, the whole body is in a connection state, and the driven shaft normally operates; when the torque force exceeds the friction force, the whole body is in a disconnected state, and the torque on the driving shaft is not transmitted to the driven shaft any more, so that the driven shaft is ensured not to be damaged.

A pump shaft transmission coupling proposed in patent publication No. CN 209385537U, comprising an upper shaft sleeve, a lower shaft sleeve and a connecting device; the connecting device comprises a U-shaped main body with an L-shaped cross section and a U-shaped upper cover fixed above the U-shaped main body through a plurality of screws; the upper surface of the U-shaped main body and the lower surface of the U-shaped upper cover form a sliding chute with a concave cross section, the U-shaped main body is convenient and quick to replace, simple and easy to install and operate, can provide a large friction force range, and is suitable for the use condition of ultra-large load; the diameter of the pump body axle that this patent was suitable for is certain, can not be applicable to the axle of different diameters, and the limitation is great.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the shaft coupling is suitable for the pump body axle among the prior art, the diameter of pump body axle is certain, can not be applicable to the axle of different diameters, and the limitation is great, and the pump shaft transmission shaft coupling that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pump shaft transmission shaft coupling, includes driving shaft and driven shaft, the equal symmetrical cover in shaft wall both sides of driving shaft and driven shaft is equipped with two and presss from both sides the equal symmetrical fixedly connected with of lateral wall that presss from both sides the cover is two and is close to the board, corresponding two be close to between the board threaded connection have many and be close to the bolt, four the clamp presss from both sides the equal fixedly connected with fixed ring piece of one end that the cover is close to each other, four the lateral wall that the fixed ring piece was kept away from each other all is equipped with the stripper plate, is located two on the right side the stripper plate is in the same place through a plurality of extrusion bolt threaded connection.

Preferably, chutes are formed between the clamping sleeve and the driving shaft and between the clamping sleeve and the driven shaft, locking blocks are inserted in the chutes, locking holes are formed in the side walls of the locking blocks, locking bolts are inserted in the locking holes, and threaded grooves matched with the locking bolts are formed in the side walls of the clamping sleeve.

Preferably, friction plates are arranged among the four fixed ring blocks.

Preferably, the four side walls of the extrusion plates close to each other are fixedly connected with limit ring blocks.

Preferably, friction pads are fixedly connected to the fixing side walls between the extrusion plate and the limiting ring block and close to the fixing ring block.

Compared with the prior art, the utility model provides a pump shaft transmission shaft coupling possesses following beneficial effect:

1. this pump shaft transmission shaft coupling through the clamp cover that sets up, be close to the board, be close to bolt, retaining ring piece, stripper plate and fastening bolt, this shaft coupling can be applicable to the axle of different diameters, the effectual suitability that has improved this shaft coupling.

2. This pump shaft transmission shaft coupling through chute, latch segment, locking hole, locking bolt and the thread groove that sets up, can lock shaft coupling and axle, prevents to lead to the shaft coupling to lose efficacy because not fixed well between shaft coupling and the axle.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can be applicable to the axle of different diameters, the effectual suitability that improves this shaft coupling with can lock shaft coupling and axle, prevent because not fixed well between shaft coupling and the axle and lead to the shaft coupling to become invalid.

Drawings

Fig. 1 is a schematic structural view of a pump shaft transmission coupling according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

fig. 4 is a top view of fig. 1.

In the figure: the device comprises a driving shaft 1, a driven shaft 2, a jacket 3, a close plate 4, a close bolt 5, a fixed ring block 6, a squeezing plate 7, a squeezing bolt 8, a fastening bolt 9, a chute 10, a locking block 11, a locking hole 12, a locking bolt 13, a thread groove 14, a friction plate 15, a limit ring block 16 and a friction pad 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a pump shaft transmission shaft coupling, including driving shaft 1 and driven shaft 2, the equal symmetrical cover in shaft wall both sides of driving shaft 1 and driven shaft 2 is equipped with two and presss from both sides cover 3, two equal symmetrical fixedly connected with of lateral wall that press from both sides cover 3 are close to board 4, corresponding two are close to between the board 4 threaded connection have many and are close to bolt 5, four press from both sides the equal fixedly connected with fixed ring piece 6 of one end that 3 are close to each other that press from both sides, the lateral wall that four fixed ring pieces 6 kept away from each other all is equipped with stripper plate 7, lie in two stripper plates 7 on the right side and be in the same place through 8 threaded connection of a plurality of extrusion bolts.

All seted up chute 10 between pressing from both sides cover 3 and driving shaft 1 and the driven shaft 2, it has latch segment 11 to peg graft in chute 10, and latch segment 11's lateral wall has been seted up locking hole 12, and it has locking bolt 13 to peg graft in the locking hole 12, and the lateral wall that presss from both sides cover 3 has been seted up with locking bolt 13 phase-match thread groove 14, can lock shaft coupling and axle, prevents to lead to the problem of shaft coupling inefficacy because not fixed between shaft coupling and the axle.

Friction plates 15 are arranged among the four fixed ring blocks 6, so that the fixed ring blocks 6 outside the driving shaft 1 can drive the fixed ring blocks 6 outside the driven shaft 2 to rotate.

The side walls of the four extrusion plates 7 which are close to each other are fixedly connected with limit ring blocks 16, and the jacket 3 can be further extruded in the direction close to the driving shaft 1 and the driven shaft 2.

The friction pads 17 are fixedly connected to the fixed side walls of the extrusion plate 7 and the limiting ring block 16 close to the fixed ring block 6, so that the friction force between the extrusion plate 7 and the jacket 3 is increased.

In the utility model, when in use, the four clamping sleeves 3 are correspondingly sleeved outside the driving shaft 1 and the driven shaft 2 in pairs through the fastening bolts 9, the locking block 11 is inserted into the chute 10, the clamping sleeves 3 and the driving shaft 1 and the driven shaft 2 are fixed through the locking bolts 13, then the two corresponding extrusion plates 7 are mutually moved to proper positions in the direction close to the fixed ring block 6 through the extrusion bolts 8, then the two corresponding extrusion plates 7 are mutually moved to proper distances in the direction close to the clamping sleeves 3 through the fastening bolts 9, so that the limit ring block 16 is tightly attached to the fixed ring block 6, then the two corresponding extrusion plates 7 are mutually moved in the direction close to the fixed ring block 6 through the extrusion bolts 8, so that the side walls of the extrusion plates 7 are tightly attached to the fixed ring block 6, the driving shaft 1 and the driven shaft 2 can be connected together, the device can be suitable for shafts with different diameters, the applicability of the coupler is effectively improved, the coupler and the shaft can be locked, and coupler failure caused by the fact that the coupler and the shaft are not fixed well is prevented.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a pump shaft transmission shaft coupling, includes driving shaft (1) and driven shaft (2), its characterized in that, the equal symmetrical cover in shaft wall both sides of driving shaft (1) and driven shaft (2) is equipped with two and presss from both sides cover (3), two the equal symmetrical fixedly connected with of lateral wall that presss from both sides cover (3) is close to board (4), corresponding two be close to between board (4) threaded connection have many close to bolt (5), four the equal fixedly connected with fixed ring piece (6) of one end that presss from both sides cover (3) and be close to each other, four the lateral wall that fixed ring piece (6) kept away from each other all is equipped with stripper plate (7), is located the right side two stripper plate (7) are in the same place through a plurality of extrusion bolt (8) threaded connection, are located the top two stripper plate (7) are in the same place through.

2. The pump shaft transmission coupling of claim 1, wherein inclined grooves (10) are formed between the jacket (3) and the driving shaft (1) and the driven shaft (2), locking blocks (11) are inserted in the inclined grooves (10), locking holes (12) are formed in the side walls of the locking blocks (11), locking bolts (13) are inserted in the locking holes (12), and thread grooves (14) matched with the locking bolts (13) are formed in the side walls of the jacket (3).

3. Pump shaft drive coupling according to claim 1, characterised in that friction discs (15) are placed between the four retaining ring blocks (6).

4. Pump shaft transmission coupling according to claim 1, characterised in that the side walls of the four squeeze plates (7) close to each other are fixedly connected with a stop ring block (16).

5. The pump shaft transmission coupling according to claim 1, characterized in that the friction pads (17) are fixedly connected to the fixed side walls of the squeeze plate (7) and the retainer ring block (16) near the fixed ring block (6).