CN209959739U

CN209959739U - Elastic rubber coupling

Info

Publication number: CN209959739U
Application number: CN201920814580.6U
Authority: CN
Inventors: 刘瑞兵; 梁正法; 卢长清; 黄知娜; 李志根; 陈战成
Original assignee: Dongyuan Fuyuan Industry Co Ltd
Current assignee: Dongyuan Fuyuan Industry Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-01-17
Anticipated expiration: 2029-05-31

Abstract

The utility model belongs to the technical field of the shaft coupling, especially, an elastic rubber shaft coupling, including two axle sleeves, the mount pad, two all have been welded to one side that two axle sleeves are close to each other all be equipped with three arc piece on the mount pad, it is three the arc wall has all been seted up on the arc piece, two be equipped with six cushion, six on the mount pad three through-hole, three have all been seted up on the mount pad arc piece and corresponding through-hole sliding connection, the mounting groove has been seted up at the top of through-hole. The utility model discloses convenient to use, easy operation installs to have elastic cushion and can play certain cushioning effect to the countershaft rotation, all plays certain guard action to countershaft and shaft coupling itself, and the cushion is single independent individuality, can reduce use cost in the maintenance, and it is also more convenient to change the cushion of damage, need not dismantling whole shaft coupling.

Description

Elastic rubber coupling

Technical Field

The utility model relates to a shaft coupling technical field especially relates to an elastic rubber shaft coupling.

Background

The coupling is a device for connecting two shafts or a shaft and a rotating part, rotating together in the process of transmitting motion and power and not separating under normal conditions. Sometimes it is used as a safety device to prevent the coupled machine parts from bearing excessive load, and it plays the role of overload protection.

However, in the prior art, a plurality of rotating shafts are connected through hard couplings, the rotating members are easily damaged through the connection, sometimes the couplings can be damaged, some flexible couplings adopt elastic rubber pads as transmission media, the used elastic rubber pads are basically connected into a whole, if one flexible coupling is damaged, all the flexible rubber pads need to be replaced, materials are wasted, the cost is increased to a certain extent, and the replacement is quite troublesome, so that the elastic rubber couplings are provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an elastic rubber coupling.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an elastic rubber coupling, includes two axle sleeves, two the mount pad, two all welds in one side that the axle sleeve is close to each other all be equipped with three arc piece on the mount pad, it is three the arc wall has all been seted up on the arc piece, two be equipped with six cushion, six on the mount pad cushion and corresponding arc wall looks adaptation, two three through-hole has all been seted up on the mount pad, it is three arc piece and corresponding through-hole sliding connection, the mounting groove has been seted up at the top of through-hole, the lead screw is installed to the mounting groove internal rotation, the top fixed mounting of arc piece has the movable block, the movable block with lead screw threaded connection, fixed mounting has the worm wheel on the lead screw, be equipped with the worm in the mounting groove, the worm with the worm wheel meshes.

Preferably, one end of each arc-shaped block penetrates through the corresponding through hole and is fixedly provided with a fixing plate, and two screw rods are arranged on the fixing plates in a threaded mode.

Preferably, a rotating hole is formed in the top of the mounting groove, the worm penetrates through the rotating hole, a first bearing is fixedly mounted in the rotating hole, and the worm is fixedly connected with an inner ring of the first bearing.

Preferably, the top of the worm is provided with a hexagonal groove.

Preferably, the two shaft sleeves are of tubular structures, and the inner walls of the shaft sleeves are provided with clamping grooves.

Preferably, bearing holes are formed in the two sides of the mounting groove, second bearings are fixedly mounted in the bearing holes, and the second bearings are fixedly connected with the inner ring of the screw rod.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, the device is matched with a shaft sleeve, a mounting seat, arc blocks, arc grooves, elastic pads, through holes, mounting grooves, a lead screw, a moving block, a worm wheel, a worm, a fixing plate, hexagonal grooves and clamping grooves, when the device is used, the two shaft sleeves are respectively mounted on corresponding rotating shafts, the elastic pads are mounted in the arc grooves, when the rotating shafts rotate, the mounting seat rotates, the mounting seat drives the corresponding arc blocks to rotate, the arc blocks extrude the corresponding elastic pads to rotate, the elastic pads further drive the corresponding arc blocks to rotate, the arc blocks drive the corresponding mounting seats to rotate, the mounting seat drives the corresponding shaft sleeves to rotate, and therefore transmission of an elastic coupling is achieved, as the elastic pads have elasticity, certain deviation is allowed to exist between the two rotating shafts, the mounting is more convenient, and the elastic pads are in contact with the arc blocks to form an arc structure, so that the elastic pads are more uniformly stressed and durable, when the damaged cushion needs to be replaced, two screw rods on the fixed plate are detached, the worm is rotated by using the hexagonal wrench, the worm rotates to drive the worm wheel to rotate, the worm wheel drives the screw rod to rotate, the screw rod enables the moving block to move, the moving block drives the arc block to move, the arc block drives the fixed plate to move, when the arc block moves to a certain position, the damaged cushion is taken out from the arc groove, a new cushion is put into the arc groove, and the cushion can be replaced quickly by operating the steps reversely.

The utility model discloses convenient to use, easy operation installs to have elastic cushion and can play certain cushioning effect to the countershaft rotation, all plays certain guard action to countershaft and shaft coupling itself, and the cushion is single independent individuality, can reduce use cost in the maintenance, and it is also more convenient to change the cushion of damage, need not dismantling whole shaft coupling.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is an assembly view of the mounting base and the arc block of the present invention;

fig. 4 is a schematic front sectional view of the mounting seat, the arc block and the shaft sleeve of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 4;

fig. 6 is an assembly view of the middle worm and the hexagonal groove of the present invention.

In the figure: 1. a shaft sleeve; 2. a mounting seat; 3. an arc-shaped block; 4. an arc-shaped slot; 5. an elastic pad; 6. a through hole; 7. mounting grooves; 8. a screw rod; 9. a moving block; 10. a worm gear; 11. a worm; 12. a fixing plate; 13. a hexagonal groove; 14. a clamping groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: an elastic rubber coupling comprises two shaft sleeves 1, wherein mounting seats 2 are welded on one sides, close to each other, of the two shaft sleeves 1, three arc-shaped blocks 3 are arranged on the two mounting seats 2, arc-shaped grooves 4 are formed in the three arc-shaped blocks 3, six elastic cushions 5 are arranged on the two mounting seats, the six elastic cushions 5 are matched with the corresponding arc-shaped grooves 4, three through holes 6 are formed in the two mounting seats 2, the three arc-shaped blocks 3 are in sliding connection with the corresponding through holes 6, mounting grooves 7 are formed in the tops of the through holes 6, lead screws 8 are rotatably arranged in the mounting grooves 7, moving blocks 9 are fixedly arranged at the tops of the arc-shaped blocks 3, the moving blocks 9 are in threaded connection with the lead screws 8, worm gears 10 are fixedly arranged on the lead screws 8, worms 11 are arranged in the mounting grooves;

one end of each of the three arc-shaped blocks 3 penetrates through the corresponding through hole 6 and is fixedly provided with a fixing plate 12, two screw rods are installed on the fixing plate 12 in a threaded mode, the two screw rods play a role in secondary fixation on the arc-shaped blocks 3, a rotating hole is formed in the top of the mounting groove 7, the worm 11 penetrates through the rotating hole, a first bearing is fixedly installed in the rotating hole, the worm 11 is fixedly connected with an inner ring of the first bearing, a hexagonal groove 13 is formed in the top of the worm 11, the two shaft sleeves 1 are of tubular structures, a clamping groove 14 is formed in the inner wall of each shaft sleeve 1, the clamping groove 14 facilitates the fixed installation of the shaft sleeves 1, bearing holes are formed in two sides of the mounting groove 7, second bearings are fixedly installed in the bearing holes, the two second bearings are fixedly connected with the inner ring of the screw rod 8, the second bearings play a role in fixed support, The elastic cushion 5, the through hole 6, the mounting groove 7, the lead screw 8, the moving block 9, the worm wheel 10, the worm 11, the fixing plate 12, the hexagonal groove 13 and the clamping groove 14 are matched, when in use, the two shaft sleeves 1 are respectively mounted on corresponding rotating shafts, the elastic cushion 5 is mounted in the arc-shaped groove 4, when the rotating shafts rotate, the mounting seat 2 rotates, the mounting seat 2 drives the corresponding arc-shaped block 3 to rotate, the arc-shaped block 3 extrudes the corresponding elastic cushion 5 to rotate, the elastic cushion 5 then drives the corresponding arc-shaped block 3 to rotate, the arc-shaped block 3 drives the corresponding mounting seat 2 to rotate, the mounting seat 2 drives the corresponding shaft sleeve 1 to rotate, thereby realizing the transmission of the elastic coupling, as the elastic cushion 5 has elasticity, a certain deviation is allowed to exist between the two rotating shafts, the installation is more convenient, and the contact between the elastic cushion 5 and the arc-shaped block is of an arc-shaped, more durable, when needing to be changed damaged cushion 5, unload two screw rods on the fixed plate 12, use hexagonal spanner to rotate worm 11, worm 11 rotates and drives worm wheel 10 and rotate, worm wheel 10 drives lead screw 8 and rotates, lead screw 8 makes movable block 9 remove, movable block 9 drives arc piece 3 and removes, arc piece 3 drives fixed plate 12 and removes, when arc piece 3 removed certain position, take out damaged cushion 5 from arc wall 4, put into new cushion 5 and put into correspondingly and put into arc wall 4, reverse operation above-mentioned step can be with the quick change of cushion 5 again. The utility model discloses convenient to use, easy operation installs to have elastic cushion and can play certain cushioning effect to the countershaft rotation, all plays certain guard action to countershaft and shaft coupling itself, and the cushion is single independent individuality, can reduce use cost in the maintenance, and it is also more convenient to change the cushion of damage, need not dismantling whole shaft coupling.

The working principle is as follows: when in use, the two shaft sleeves 1 are respectively arranged on the corresponding rotating shafts, the elastic cushions 5 are arranged in the arc-shaped grooves 4, when the rotating shafts rotate, the mounting bases 2 are rotated, the mounting bases 2 drive the corresponding arc-shaped blocks 3 to rotate, the arc-shaped blocks 3 extrude the corresponding elastic cushions 5 to rotate, the elastic cushions 5 further drive the corresponding arc-shaped blocks 3 to rotate, the arc-shaped blocks 3 drive the corresponding mounting bases 2 to rotate, the mounting bases 2 drive the corresponding shaft sleeves 1 to rotate, thereby realizing the transmission of the elastic coupling, because the elastic cushions 5 have elasticity, certain deviation is allowed between the two rotating shafts, the installation is more convenient, and the elastic cushions 5 are in contact with the arc-shaped blocks to form an arc-shaped structure, so that the elastic cushions 5 are stressed more uniformly and durable, when the damaged elastic cushions 5 need to be replaced, the two screw rods on the fixed plate 12 are detached, the worm 11 is rotated by using a hexagon wrench, the worm 11 is rotated to drive the, worm wheel 10 drives lead screw 8 and rotates, and lead screw 8 makes movable block 9 remove, and movable block 9 drives arc piece 3 and removes, and arc piece 3 drives fixed plate 12 and removes, when arc piece 3 removed certain position, takes out damaged cushion 5 from arc wall 4, puts into new cushion 5 and puts into corresponding putting into arc wall 4, and the above-mentioned step of reverse operation can be with the quick change of cushion 5 again.

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 an elasticity rubber coupling, includes two axle sleeves (1), its characterized in that: the mounting seats (2) are welded on one sides, close to each other, of the two shaft sleeves (1), three arc-shaped blocks (3) are arranged on the two mounting seats (2), arc-shaped grooves (4) are formed in the three arc-shaped blocks (3), six elastic pads (5) are arranged on the two mounting seats, the six elastic pads (5) are matched with the corresponding arc-shaped grooves (4), three through holes (6) are formed in the two mounting seats (2), the three arc-shaped blocks (3) are connected with the corresponding through holes (6) in a sliding mode, a mounting groove (7) is formed in the top of each through hole (6), a lead screw (8) is rotatably mounted in the mounting groove (7), a moving block (9) is fixedly mounted at the top of each arc-shaped block (3), the moving block (9) is connected with the lead screw (8) in a threaded mode, and a worm wheel (10) is fixedly mounted on the lead, a worm (11) is arranged in the mounting groove (7), and the worm (11) is meshed with the worm wheel (10).

2. An elastomeric coupling in accordance with claim 1, wherein: one end of each arc-shaped block (3) penetrates through the corresponding through hole (6) and is fixedly provided with a fixing plate (12), and two screw rods are arranged on the fixing plates (12) in a threaded mode.

3. An elastomeric coupling in accordance with claim 1, wherein: the top of the mounting groove (7) is provided with a rotating hole, the worm (11) penetrates through the rotating hole, a first bearing is fixedly mounted in the rotating hole, and the worm (11) is fixedly connected with an inner ring of the first bearing.

4. An elastomeric coupling in accordance with claim 1, wherein: the top of the worm (11) is provided with a hexagonal groove (13).

5. An elastomeric coupling in accordance with claim 1, wherein: the two shaft sleeves (1) are of tubular structures, and clamping grooves (14) are formed in the inner walls of the shaft sleeves (1).

6. An elastomeric coupling in accordance with claim 1, wherein: bearing holes are formed in the two sides of the mounting groove (7), second bearings are fixedly mounted in the bearing holes, and the second bearings are fixedly connected with the inner ring of the screw rod (8).