CN219987457U

CN219987457U - Dismounting device

Info

Publication number: CN219987457U
Application number: CN202321504701.XU
Authority: CN
Inventors: 芮燕辉; 李兴源; 韩亚启; 张进忠; 邹步赢; 陈德英; 常礼红; 李玉柱; 杨文安; 郎正云
Original assignee: Qinghai Salt Lake Industry Co Ltd
Current assignee: Qinghai Salt Lake Industry Co Ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-11-10
Anticipated expiration: 2033-06-13

Abstract

The utility model relates to a dismounting device, which comprises a connecting cylinder (1), a positioning rod (2) and a rotating rod (3), wherein a connector (4) is arranged at the front end of the connecting cylinder (1), and a cutter head (41) is arranged at the end part of the connector (4). The locating rod (2) is a straight rod, the front end of the locating rod is connected with the rear end of the connecting cylinder (1) through the connecting mechanism (5), the rear end of the locating rod is provided with a handle (21), and the locating rod (2) can rotate relative to the connecting cylinder (1). The rotating rod (3) is vertically arranged with the connecting cylinder (1), the middle part of the rotating rod (3) is fixedly connected with the connecting cylinder (1) near the rear end, and the axis of the positioning rod (2) and the axis of the connecting cylinder (1) are collinear. The dismounting device can be used for rapidly dismounting the wiring screw rod and preventing the notch of the wiring screw rod from being damaged.

Description

Dismounting device

Technical Field

The present utility model relates to a disassembling device, and more particularly, to a structure of a disassembling device.

Background

In chemical production, various mechanical devices such as a distribution box, a control cabinet, a motor, a water pump, a screening machine, a crusher, a filter, a thickener, a dryer and the like are used, all of which are required to be electrically connected with the distribution box and the control cabinet, power is supplied through the distribution box, the control is performed through the control cabinet, all of which are connected with a cable through a connecting terminal, see fig. 5, a connecting screw 61 is arranged on the connecting terminal 6, the connecting screw 61 is in threaded connection with the connecting terminal 6 and used for compressing a cable joint 63, and when the cable joint 63 is required to be disassembled in maintenance and replacement of the devices, the connecting screw 61 is required to be disassembled through a screwdriver, and then the cable joint 63 is required to be disassembled.

However, the wiring terminals and the wiring screws of the devices are usually made of copper, the conductivity of the copper is high, but the hardness is low, and the wiring terminals and the wiring screws of the devices are corroded and rusted after being used for a period of time due to strong corrosivity of raw materials and products of chemical plants, so that the wiring screws are difficult to loosen after being rusted. In addition, because binding post on the switch board is located the switch board inside generally, and the inside cable of switch board is numerous, when dismantling the wiring screw rod, generally need dial the cable with the hand, then insert the notch of wiring screw rod with the screwdriver and dismantle, not only the operation is inconvenient, moreover, the screwdriver position can't be adjusted, and the screwdriver can't be on same straight line with the wiring screw rod, when leading to twisting the wiring screw rod, the notch atress of wiring screw rod is uneven, and local deformation damages easily.

Therefore, when the wiring screw is dismounted through the existing screw driver, the copper wiring screw is softer in texture, the wiring screw is difficult to screw after rusting, the angle of the screw driver is difficult to align, the notch of the wiring screw is easy to damage, the wiring screw cannot be dismounted, time and labor are wasted, and normal production is seriously influenced.

The utility model aims to solve the problems that when a wiring screw rod on a wiring terminal is dismounted by an existing screwdriver, a notch on the wiring screw rod is easy to damage and difficult to dismount.

Disclosure of Invention

In order to solve the above problems, the utility model provides a dismounting device, which comprises a connecting cylinder 1, a positioning rod 2 and a rotating rod 3, wherein a connector 4 is arranged at the front end of the connecting cylinder 1, and a cutter head 41 is arranged at the end part of the connector 4. The locating rod 2 is a straight rod, the front end is connected with the rear end of the connecting cylinder 1 through the connecting mechanism 5, the rear end is provided with the handle 21, the locating rod 2 can rotate relative to the connecting cylinder 1, the rotating rod 3 is vertically arranged with the connecting cylinder 1, the middle part of the rotating rod 3 is fixedly connected with the connecting cylinder 1 near the rear end, and the axis of the locating rod 2 and the axis of the connecting cylinder 1 are collinear.

When the dismounting device is used, the handle 21 and the rotating rod 3 of the positioning rod 2 are respectively held, the front end of the connecting cylinder 1 is inserted into the wiring terminal 6 of the device, the tool bit 41 of the connector 4 arranged at the front end of the connecting cylinder 1 is inserted into the notch of the wiring screw, the angle of the connecting cylinder 1 is adjusted, the connecting cylinder 1 and the wiring screw are in the same straight line, then the connecting cylinder 1 is pushed forward through the handle 21 of the positioning rod 2, the tool bit 41 of the connector 4 is tightly connected with the notch of the wiring screw, and then the connecting cylinder 1 is rotated through the rotating rod 3, so that the wiring screw is dismounted, and the mounting method of the wiring screw is similar to the dismounting method and is not repeated here.

This dismounting device is connected through setting up connector 4 and wiring screw rod at connecting cylinder 1 front end, through setting up locating lever 2, set up handle 21 with locating lever 2 rear end, the front end is connected with the rear end rotation of connecting cylinder 1, can fix a position connecting cylinder 1 through locating lever 2, make connecting cylinder 1 and wiring screw rod be in on the same straight line, promote connecting cylinder 1 through locating lever 2, the notch zonulae occludens of the tool bit 41 and the wiring screw rod of messenger's connector 4, when preventing to rotate connecting cylinder 1, the tool bit 41 of connector 4 is at the notch slope or the break away from of wiring screw rod, prevent the notch damage of wiring screw rod. Through setting up with connecting cylinder 1 vertically dwang 3, can conveniently rotate connecting cylinder 1, labour saving and time saving's quick dismantlement wiring screw rod.

Preferably, the connecting mechanism 5 comprises a connecting seat 51 and a thrust bearing 53, the connecting seat 51 is cylindrical, the front end is closed by a connecting plate 52, the rear end is open, the front end is fixedly connected with the rear end of the connecting cylinder 1, the thrust bearing 53 is arranged in the connecting seat and comprises a seat piece 531 and a gasket 532, and the seat piece 531 is fixedly connected with the connecting plate 52. The front end of the positioning rod 2 is inserted into the connecting seat and fixedly connected with the gasket 532, and the axis of the connecting seat 51 is collinear with the axis of the connecting cylinder 1.

Through setting up coupling mechanism 5 and including connecting seat 51 and thrust bearing 53, connecting seat 51 is the cylinder, and the front end sets up connecting plate 52 and connecting cylinder 1 fixed connection, can install thrust bearing 53 through connecting seat 51, with thrust bearing 53's seat piece 531 and connecting plate 52 fixed connection, with locating lever 2 front end and gasket 532 fixed connection, can bear great thrust through thrust bearing 53, makes locating lever 2 and connecting cylinder 1 keep rotating simultaneously and connect.

Preferably, the radial bearing 54 is further included, the radial bearing 54 is disposed in the connecting seat 51, and comprises an outer ring 541 and an inner ring 542 which are sleeved in a sliding manner, the outer ring 541 is fixedly connected with the inner wall of the connecting seat 51, the front end of the positioning rod 2 passes through the inner ring 542 and is fixedly connected with the gasket 532, and the side wall of the positioning rod 2 is fixedly connected with the inner ring 542.

By arranging the radial bearing 54 in the connecting seat 51, the outer ring 541 of the radial bearing 54 is fixedly connected with the inner wall of the connecting seat 51, the side wall of the positioning rod 2 is fixedly connected with the inner ring 542, and the positioning rod 2 can be supported by the radial bearing 54 and matched with the thrust bearing 53, so that the positioning rod 2 is connected more stably.

Preferably, the connecting cylinder 1 is a straight cylinder, a cylindrical cavity is formed inside, a limit groove 11 is formed in the inner wall of the front end, the connector 4 is a straight rod, the diameter of the connector 4 is matched with the inner diameter of the connecting cylinder 1, a straight flower cutter head 411 is arranged at one end, a cross flower cutter head 412 is arranged at the other end, a limit block 42 matched with the limit groove 11 is arranged in the middle of the connector 4, one end of the connector 4 is inserted into the connecting cylinder 1, and the limit block 42 is arranged in the limit groove 11.

By arranging the connecting cylinder 1 to be of a hollow structure, the weight of the device can be reduced, and the front end opening of the connecting cylinder 1 is used for installing the connector 4. Set up spacing groove 11 on connecting cylinder 1 front end inner wall, set up stopper 42 on the connector 4, when installing connector 4, through spacing groove 11 and stopper 42's cooperation, can carry out spacingly to connector 4, prevent that connector 4 from rotating for connecting cylinder 1. The two ends of the connector 4 are provided with the straight flower cutter head 411 and the cross flower cutter head 412 respectively, so that the application range of the device can be improved.

Preferably, the connecting tube further comprises a fastening cap 12, wherein an external thread is arranged on the outer side face of the front end of the connecting tube 1, the fastening cap 12 is cylindrical, an internal thread matched with the external thread is arranged on the inner wall, a baffle ring 13 is arranged at one end of the fastening cap 12, and the fastening cap 12 is sleeved at the front end of the connecting tube 1 and used for fixing the connector 4 and the connecting tube 1.

Through setting up fastening cap 12, can be with connector 4 and connecting cylinder 1 fixed connection through fastening cap 12, when preventing to use, connector 4 drops. The fastening cap 12 is in threaded connection with the connecting cylinder 1, so that the fastening cap 12 is convenient to detach, and the front and back positions of the connecting head 4 can be replaced, namely, the straight flower cutter head 411 or the cross flower cutter head 412 can be used in a switching mode.

Preferably, the rotating rod 3 and the positioning rod 2 are provided with insulating leather sleeves, and the rotating rod 3 and the positioning rod 2 are provided with insulating leather sleeves, so that the holding comfort can be improved, and electric shock during operation is prevented.

Preferably, the connecting cylinder 1 has a hexagonal prism shape. The connecting cylinder 1 is arranged to be in a hexagonal prism shape, so that the strength of the connecting cylinder 1 can be increased, and the connecting cylinder 1 can be clamped on the connecting cylinder 1 by means of a wrench to assist in forcefully rotating the connecting cylinder 1.

Preferably, the grip 21 is annular. Can improve the hand feeling and is beneficial to increasing the holding strength.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a dismounting device;

FIG. 2 is a schematic diagram of the internal structure of the connecting mechanism;

FIG. 3 is a schematic view of the internal structure of the connection state of the connecting cylinder and the connector;

FIG. 4 is a schematic diagram of the overall structure of the connector;

fig. 5 is a schematic view of the dismounting device in use.

In the figure, 1, a connecting cylinder, 11, a limit groove, 12, a fastening cap, 13, a baffle ring, 2, a positioning rod, 21, a handle, 3, a rotating rod, 4, a connector, 41, a cutter head, 411, a straight-line cutter head, 412, a cross cutter head, 42, a limit block, 5, a connecting mechanism, 51, a connecting seat, 52, a connecting plate, 53, a thrust bearing, 531, a seat piece, 532, a gasket, 54, a radial bearing, 541, an outer ring, 542, an inner ring, 6, a wiring terminal, 61, a wiring screw, 62, a notch and 63, and a cable connector.

Detailed Description

Preferred embodiments of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, the dismounting device comprises a connecting cylinder 1, a positioning rod 2 and a rotating rod 3, wherein the connecting cylinder 1 is a hexagonal prism-shaped straight cylinder. The strength of the connecting cylinder 1 can be increased by arranging the connecting cylinder 1 to be in a hexagonal prism shape, and the connecting cylinder 1 can be clamped on the connecting cylinder 1 by means of a wrench to assist in forcefully rotating the connecting cylinder 1.

The front end of the connecting cylinder 1 is provided with a connector 4, the end part of the connector 4 is provided with a cutter head 41, and the cutter head 41 is used for being inserted into a notch 62 of the wiring screw 61 and connected with the wiring screw 61.

The positioning rod 2 is a straight rod, the front end of the positioning rod 2 is connected with the rear end of the connecting cylinder 1 through the connecting mechanism 5, the rear end of the positioning rod 2 is provided with a handle 21, and the positioning rod 2 can rotate relative to the connecting cylinder 1. The grip 21 is annular. The grip 21 is provided in a circular ring shape, so that the hand feeling can be improved, and the improvement of the holding strength is facilitated.

The front end refers to the end of the dismounting device where the connector 4 is located, and the rear end refers to the end of the grip 21.

The rotating rod 3 is vertically arranged with the connecting cylinder 1, the middle part of the rotating rod 3 is fixedly connected with the position of the connecting cylinder 1 close to the rear end, and the axis of the positioning rod 2 is collinear with the axis of the connecting cylinder 1.

The rotating rod 3 and the positioning rod 2 are provided with the insulating leather sheath, and the rotating rod 3 and the positioning rod 2 are provided with the insulating leather sheath, so that the holding comfort can be improved, and electric shock during operation is prevented.

As shown in fig. 2, the connection mechanism 5 includes a connection seat 51, a thrust bearing 53 and a radial bearing 54, the connection seat 51 is cylindrical, the front end is closed by a connection plate 52, the rear end is opened, and the front end is fixedly connected with the rear end of the connection cylinder 1 by the connection plate 52. The axis of the connecting seat 51 is collinear with the axis of the connecting cylinder 1.

The thrust bearing 53 is disposed in the mounting seat, and includes a seat piece 531 and a gasket 532, where the seat piece 531 is fixedly connected with the connecting plate 52.

The radial bearing 54 is disposed in the connecting seat 51, and comprises an outer ring 541 and an inner ring 542 that are slidably sleeved, the outer ring 541 is fixedly connected with the inner wall of the connecting seat 51, the front end of the positioning rod 2 passes through the inner ring 542 and is fixedly connected with the gasket 532, and the side wall of the positioning rod 2 is fixedly connected with the inner ring 542.

The axis of the connecting seat 51, the axis of the radial bearing 54 and the axis of the thrust bearing 53 are collinear.

Through setting up coupling mechanism 5 and including connecting seat 51, thrust bearing 53 and radial bearing 54, connecting seat 51 is the cylinder, the front end sets up connecting plate 52 and connecting cylinder 1 fixed connection, thrust bearing 53 and radial bearing 54 can be installed to inside the connecting seat 51, with thrust bearing 53's seat piece 531 and connecting plate 52 fixed connection, with radial bearing 54's outer loop 541 and connecting seat 51's inner wall fixed connection, locating lever 2 front end passes inner loop 542 and gasket 532 fixed connection, locating lever 2's lateral wall and inner loop 542 fixed connection, can bear great thrust through thrust bearing 53, promote connector 4 and wiring screw rod zonulae occludens through connecting cylinder 1, cooperate with thrust bearing 53 through radial bearing 54, make locating lever 2 and connecting cylinder 1 keep rotating the connection, the connection is more stable.

As shown in fig. 3, the connecting cylinder 1 is a straight cylinder, a cylindrical cavity is formed inside, the front end is open, and a limit groove 11 is arranged on the inner wall of the front end. The connecting cylinder 1 is of a hollow structure, the weight of the device can be reduced, and the front end opening of the connecting cylinder 1 is arranged for installing the connector 4.

As shown in fig. 3 and 4, the connector 4 is a cylindrical straight rod, the diameter of the connector 4 is matched with the inner diameter of the connecting cylinder 1, a straight-line flower cutter head 411 is arranged at one end, a cross-shaped cutter head 412 is arranged at the other end, a limiting block 42 matched with the limiting groove 11 is arranged in the middle of the connector 4, one end of the connector 4 is inserted into the connecting cylinder 1, and the limiting block 42 is arranged in the limiting groove 11.

The diameter of the connector 4 is matched with the inner diameter of the connecting cylinder 1, namely, the diameter of the connector 4 is slightly smaller than the inner diameter of the cavity of the connecting cylinder 1, so that the connector 4 can be inserted into the cavity of the connecting cylinder 1, the side wall of the connector 4 is attached to the inner wall of the connecting cylinder 1, and the connector 4 cannot shake in the connecting cylinder 1.

Parameters such as thickness, length and the like of the straight flower cutter head 411 and the cross flower cutter head 412 are manufactured according to the type of the notch of the wiring screw rod installed on the existing wiring terminal.

The middle part of connector 4 is provided with the stopper 42 that matches with spacing groove 11, means that the shape and the size of stopper 42 are the same with the shape and the size of spacing groove 11, make stopper 42 can insert in the spacing groove 11, carry out spacing to connector 4, prevent that connector 4 from rotating for connecting cylinder 1.

Through set up spacing groove 11 on connecting cylinder 1 front end inner wall, can carry out spacingly to connector 4, set up stopper 42 on the connector 4, during the installation connector 4, can carry out spacingly to connector 4 through the cooperation of spacing groove 11 and stopper 42, prevent that connector 4 from rotating for connecting cylinder 1. The two ends of the connector 4 are provided with the straight flower cutter head 411 and the cross flower cutter head 412 respectively, so that the application range of the device can be improved.

As shown in fig. 3, the front end of the connecting cylinder 1 is provided with a fastening cap 12, and the outer side surface of the front end of the connecting cylinder 1 is provided with external threads. The fastening cap 12 is cylindrical, an inner wall is provided with an inner thread matched with the outer thread, the front end of the fastening cap 12 is provided with a baffle ring 13, and the fastening cap 12 is sleeved at the front end of the connecting cylinder 1 and is used for fixing the connector 4 and the connecting cylinder 1.

The inner diameter of the baffle ring 13 is the same as the inner diameter of the connecting cylinder 1, so that the connector can pass through the baffle ring, and the limiting block 42 on the connector 4 can be fixed in the limiting groove 11 through the baffle ring, thereby fixing the connector 4.

The inner wall of the fastening cap 12 is provided with an internal thread matched with the external thread, that is, the tooth angle and the thread pitch of the internal thread and the external thread are the same, so that the fastening cap 12 can be mounted at the front end of the connecting cylinder 1 through the matching of the internal thread and the external thread.

The connector 4 and the connecting cylinder 1 can be fixedly connected through the fastening cap 12, and the connector 4 is prevented from falling off when in use. The fastening cap 12 is connected with the connecting cylinder 1 through threads, so that the front and back positions of the connecting head 4 can be conveniently replaced, namely, the straight flower cutter head 411 or the cross flower cutter head 412 can be conveniently used in a switching mode.

As shown in fig. 5, when the connection screw 61 is detached, the grip of the positioning rod 2 and the rotating rod 3 are respectively held, the front end of the connection cylinder 1 is inserted near the connection terminal 6 of the device, the tool bit 41 of the connection head 4 arranged at the front end of the connection cylinder 1 is inserted into the notch 62 of the connection screw 61, the angle of the connection cylinder 1 is adjusted, the connection cylinder 1 and the connection screw 61 are in the same straight line, then the grip of the positioning rod 2 is held to push the connection cylinder 1 forward, the tool bit 41 of the connection head 4 is tightly connected with the notch 62 of the connection screw 61, then the connection cylinder 1 is rotated by the rotating rod 3, the connection screw 61 is detached, and therefore the cable connector 63 is replaced after loosening, and the installation method of the connection screw 61 is similar to the detachment method and is not repeated here.

This dismounting device is connected through setting up connector 4 and wiring screw 61 at connecting cylinder 1 front end, through setting up locating lever 2, set up handle 21 at locating lever 2 rear end, the front end rotates with the rear end of connecting cylinder 1 to be connected, can fix a position connecting cylinder 1 through locating lever 2, make connecting cylinder 1 keep being in same straight line with the wiring screw rod, press connecting cylinder 1, make the tool bit 41 of connector 4 and the notch zonulae occludens of wiring screw rod, when preventing to rotate connecting cylinder 1, the tool bit 41 of connector 4 inclines or breaks away from at the notch slope of wiring screw rod, prevent the notch damage of wiring screw rod. Through setting up with connecting cylinder 1 perpendicular dwang 3, can conveniently rotate connecting cylinder 1, can labour saving and time saving dismantle the wiring screw rod fast.

Through setting up coupling mechanism 5 and including connecting seat 51, thrust bearing 53 and radial bearing 54, connecting seat 51 is the cylinder, the front end sets up connecting plate 52 can with connecting cylinder 1 fixed connection, can install thrust bearing 53 and radial bearing 54 through connecting seat 51, with the seat piece 531 and the connecting plate 52 fixed connection of thrust bearing 53, the outer loop 541 and the inner wall fixed connection of connecting seat 51 of radial bearing 54, locating lever 2 front end passes inner loop 542 and gasket 532 fixed connection, the lateral wall and the inner loop 542 fixed connection of locating lever 2, can bear great thrust through thrust bearing 53, promote connector 4 and wiring screw rod zonulae occludens through connecting cylinder 1, cooperate with thrust bearing 53 through radial bearing 54, make locating lever 2 and connecting cylinder 1 keep rotating the connection, the connection is more stable.

Through setting up fastening cap 12, can be with connector 4 and connecting cylinder 1 fixed connection through fastening cap 12, when preventing to use, connector 4 drops. The fastening cap 12 is in threaded connection with the connecting cylinder 1, so that the connector can be conveniently detached, and the front and back positions of the connector 4 are replaced, namely, the straight flower cutter head 411 or the cross flower cutter head 412 can be conveniently switched.

It should be noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims.

Claims

1. The dismounting device is characterized by comprising a connecting cylinder (1), a positioning rod (2) and a rotating rod (3),

the front end of the connecting cylinder (1) is provided with a connector (4), and the end part of the connector (4) is provided with a cutter head (41);

the positioning rod (2) is a straight rod, the front end of the positioning rod is connected with the rear end of the connecting cylinder (1) through a connecting mechanism (5), the rear end of the positioning rod is provided with a handle (21), and the positioning rod (2) can rotate relative to the connecting cylinder (1);

the rotating rod (3) is vertically arranged with the connecting cylinder (1), and the middle part of the rotating rod (3) is fixedly connected with the position of the connecting cylinder (1) close to the rear end;

the axis of the locating rod (2) and the axis of the connecting cylinder (1) are collinear.

2. Dismounting device according to claim 1, characterized in that the connection means (5) comprise a connection seat (51) and a thrust bearing (53),

the connecting seat (51) is cylindrical, the front end of the connecting seat is closed by the connecting plate (52), the rear end of the connecting seat is open, and the front end of the connecting seat is fixedly connected with the rear end of the connecting cylinder (1);

the thrust bearing (53) is arranged in the connecting seat and comprises a seat piece (531) and a gasket (532), and the seat piece (531) is fixedly connected with the connecting plate (52);

the front end of the positioning rod (2) is inserted into the connecting seat and fixedly connected with the gasket (532);

the axis of the connecting seat (51) is collinear with the axis of the connecting cylinder (1).

3. The dismounting device as claimed in claim 2, further comprising a radial bearing (54),

the radial bearing (54) is arranged in the connecting seat (51) and comprises an outer ring (541) and an inner ring (542) which are in sliding sleeve joint;

the outer ring (541) is fixedly connected with the inner wall of the connecting seat (51);

the front end of the positioning rod (2) penetrates through the inner ring (542) to be fixedly connected with the gasket (532), and the side wall of the positioning rod (2) is fixedly connected with the inner ring (542).

4. The dismounting device as claimed in claim 3, wherein the connecting cylinder (1) is a straight cylinder, a cylindrical cavity is formed inside the connecting cylinder, a limit groove (11) is arranged on the inner wall of the front end,

the connector (4) is a straight rod, the diameter of the connector (4) is matched with the inner diameter of the connecting cylinder (1), one end of the connector is provided with a straight-line flower cutter head (411), the other end of the connector is provided with a cross-line flower cutter head (412), and the middle part of the connector (4) is provided with a limiting block (42) matched with the limiting groove (11);

one end of the connector (4) is inserted into the connecting cylinder (1), and the limiting block (42) is arranged in the limiting groove (11).

5. The dismounting device as claimed in claim 4, further comprising a tightening cap (12),

an external thread is arranged on the outer side surface of the front end of the connecting cylinder (1),

the fastening cap (12) is cylindrical, an inner thread matched with the outer thread is arranged on the inner wall, a baffle ring (13) is arranged at one end of the fastening cap (12),

the fastening cap (12) is sleeved at the front end of the connecting cylinder (1) and is used for fixing the connector (4) and the connecting cylinder (1).

6. Dismounting device according to claim 5, characterized in that the swivel lever (3) and the positioning lever (2) are provided with insulating leather sleeves.

7. Dismounting device according to claim 6, characterized in that the connecting cylinder (1) is hexagonal prism-shaped.

8. Dismounting device according to any one of claims 1-7, characterized in that the grip (21) is ring-shaped.