CN215240583U

CN215240583U - Puller

Info

Publication number: CN215240583U
Application number: CN202022791238.4U
Authority: CN
Inventors: 俞宇杰; 沈成竹
Original assignee: Tongkun Group Zhejiang Hengtong Chemical Fiber Co Ltd
Current assignee: Tongkun Group Zhejiang Hengtong Chemical Fiber Co Ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-12-21
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a puller, which comprises a top rod, wherein a moving block is sleeved on the top rod, and both sides of the moving block can be rotatably connected with pull rods; the top of the ejector rod is provided with a rotating rod; a return spring is also arranged between the pull rod and the moving block; the puller of the utility model has simple structure and convenient use, realizes the function of detaching the bearing arranged at the shaft end from the hole through the ejector rod, the movable block and the pull rod, and has simple operation and convenient detachment; the rotating rod is arranged at the top of the ejector rod, so that the ejector rod is more convenient and faster to rotate, and the bearing is more convenient to disassemble; through reset spring, the bearing is cliied better to the pull rod, and it is more convenient to operate.

Description

Puller

Technical Field

The utility model relates to a disassembling equipment field, concretely relates to draw horse.

Background

The puller is used as an auxiliary tool in the maintenance of equipment and is widely used. Primarily for axially removing a damaged bearing or impeller from the shaft. The structure of the utility model is mainly composed of a rotating handle, a screw rod and a pulling claw. The main dimensions are the length of the pulling claws, the distance between the pulling claws and the length of the screw rod so as to adapt to bearings with different diameters and different axial installation depths. When the device is used, the screw rod tip is positioned in the shaft end tip hole, the position of the pull claw is adjusted, the pull claw is hooked on the bearing outer ring or the impeller, and the rotating handle is rotated to enable the pull claw to drive the bearing or the impeller to move outwards along the axial direction for dismounting.

However, in some disassembly occasions, the puller cannot extend into the hole of the part on the shaft, so that the conical top of the screw rod of the puller cannot push the end face of the shaft head, and the normal disassembly cannot be realized.

Based on the above situation, the utility model provides a draw horse can effectively solve above problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a draw horse. The puller of the utility model has simple structure and convenient use, realizes the function of detaching the bearing arranged at the shaft end from the hole through the ejector rod, the movable block and the pull rod, and has simple operation and convenient detachment; the rotating rod is arranged at the top of the ejector rod, so that the ejector rod is more convenient and faster to rotate, and the bearing is more convenient to disassemble; through reset spring, the bearing is cliied better to the pull rod, and it is more convenient to operate.

The utility model discloses a following technical scheme realizes:

the puller comprises an ejector rod, wherein a moving block is sleeved on the ejector rod, and two sides of the moving block can be rotatably connected with pull rods; the top of the ejector rod is provided with a rotating rod; and a return spring is also arranged between the pull rod and the moving block.

The utility model realizes the function of dismounting the bearing arranged at the shaft end from the hole through the ejector rod, the moving block and the pull rod, and has simple operation and convenient dismounting; the rotating rod is arranged at the top of the ejector rod, so that the ejector rod is more convenient and faster to rotate, and the bearing is more convenient to disassemble; through reset spring, the bearing is cliied better to the pull rod, and it is more convenient to operate.

Preferably, the bottom end of the ejector rod is provided with a conical ejector pin; the ejector rod is also provided with threads above the ejector pin.

Preferably, the top of the ejector rod is provided with an accommodating cavity for accommodating the rotating rod, and a connecting rod is arranged above the accommodating cavity; the rotating rod is provided with a notch matched with the connecting rod.

Preferably, the moving block is provided with a threaded hole matched with the thread on the ejector rod; the moving block is further provided with two hinged supports which are rotatably connected with the two pull rods respectively, and through holes are formed in the hinged supports.

Preferably, the pull rod is provided with a rotating part matched with the hinged support, and the rotating part is provided with a rotating shaft embedded in the through hole; the reset spring is sleeved on the rotating shaft.

Preferably, the bottom end of the pull rod is provided with a pull plate, and the pull plate is provided with a plurality of anti-falling strips.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the puller of the utility model has simple structure and convenient use, adopts the vibration tray as the feeding device of the cylindrical aluminum block, realizes automatic feeding, and the material blocking micro cylinder, the material placing micro cylinder and the sensor are all connected with the PLC controller, thus ensuring that only one cylindrical aluminum block is fed at each time; the forming and processing efficiency of the aluminum bottle is improved, and the labor intensity of workers is reduced.

Drawings

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

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

FIG. 3 is a schematic view of a portion of the structure of FIG. 2 at A;

fig. 4 is a schematic structural view of the rotating rod of the present invention when it is retracted;

fig. 5 is a schematic structural view of the rotating rod of the present invention in use;

FIG. 6 is a schematic sectional view of the ejector rod and the rotating rod;

fig. 7 is a schematic structural view of the moving block, the pull rod and the return spring;

fig. 8 is a schematic structural view of the tie rod.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Example 1:

as shown in fig. 1 to 8, the puller comprises a top rod 1, wherein a moving block 2 is sleeved on the top rod 1, and two sides of the moving block 2 can be rotatably connected with pull rods 3; the top of the ejector rod 1 is provided with a rotating rod 4; and a return spring 5 is also arranged between the pull rod 3 and the moving block 2.

The utility model realizes the function of dismounting the bearing arranged at the shaft end from the hole through the ejector rod 1, the moving block 2 and the pull rod 3, and has simple operation and convenient dismounting; the rotating rod 4 is arranged at the top of the ejector rod 1, so that the ejector rod 1 can be rotated more conveniently and rapidly, and a bearing can be disassembled more conveniently; through reset spring 5, the bearing is carried better to pull rod 3, and it is more convenient to operate.

Further, in another embodiment, a conical thimble 11 is arranged at the bottom end of the ejector rod 1; the ejector rod 1 is also provided with threads 12 above the ejector pin 11.

Through thimble 11, better with bearing and axle separation, just thimble 11 is conical, and the top diameter is less, can adapt to the bearing of more models, improves application scope.

Further, in another embodiment, an accommodating cavity 13 for accommodating the rotating rod 4 is formed in the top of the top rod 1, and a connecting rod 14 is arranged above the accommodating cavity 13; the rotating rod 4 is provided with a notch 41 matched with the connecting rod 14.

Ejector pin 1's top is equipped with accomodate dwang 4 hold chamber 13, the utility model discloses when not using, can with dwang 4 hides hold in the chamber 13, it is more convenient to carry, and occupation space is little.

Further, in another embodiment, a threaded hole 21 matched with the thread 12 on the top rod 1 is formed in the moving block 2; the moving block 2 is further provided with two hinged supports 22 which are respectively rotatably connected with the two pull rods 3, and the hinged supports 22 are provided with through holes 221.

Through the matching of the threaded hole 21 and the thread 12 on the ejector rod 1, the trial moving block 2 is driven to move up and down in a thread transmission mode through the rotation of the rotation 1, and the transmission effect is good; the hinge seat 22 is preferably rotatably connected to the pull rod 3.

Further, in another embodiment, a rotating part 31 matched with the hinge base 22 is arranged on the pull rod 3, and a rotating shaft 32 embedded in the through hole 221 is arranged on the rotating part 31; the return spring 5 is sleeved on the rotating shaft 32.

Through the rotating shaft 32, the hinge seat 22 can be better and rotatably connected, and the return spring 5 is sleeved on the rotating shaft 32, so that a better return effect is achieved.

Further, in another embodiment, a pulling plate 33 is disposed at the bottom end of the pulling rod 3, and a plurality of anti-dropping strips 34 are disposed on the pulling plate 33.

The anti-falling strip 34 is arranged to prevent the pulling plate 33 from sliding out of the bearing edge in the process of disassembling the bearing.

According to the description and the drawings of the present invention, the person skilled in the art can easily make or use the puller of the present invention, and can produce the positive effects described in the present invention.

Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims

1. A puller, which is characterized in that: the device comprises an ejector rod (1), wherein a moving block (2) is sleeved on the ejector rod (1), and two sides of the moving block (2) can be rotatably connected with pull rods (3); the top of the ejector rod (1) is provided with a rotating rod (4); and a return spring (5) is also arranged between the pull rod (3) and the moving block (2).

2. A puller as set forth in claim 1, wherein: a conical ejector pin (11) is arranged at the bottom end of the ejector rod (1); the ejector rod (1) is also provided with threads (12) above the ejector pin (11).

3. A puller as set forth in claim 1, wherein: an accommodating cavity (13) for accommodating the rotating rod (4) is formed in the top of the ejector rod (1), and a connecting rod (14) is arranged above the accommodating cavity (13); the rotating rod (4) is provided with a notch (41) matched with the connecting rod (14).

4. A puller as set forth in claim 2, wherein: the moving block (2) is provided with a threaded hole (21) matched with the thread (12) on the ejector rod (1); the moving block (2) is further provided with two hinged supports (22) which are rotatably connected with the two pull rods (3) respectively, and through holes (221) are formed in the hinged supports (22).

5. A puller as set forth in claim 4, wherein: a rotating part (31) matched with the hinged support (22) is arranged on the pull rod (3), and a rotating shaft (32) embedded in the through hole (221) is arranged on the rotating part (31); the return spring (5) is sleeved on the rotating shaft (32).

6. A puller as set forth in claim 1, wherein: the bottom of pull rod (3) is equipped with arm-tie (33), be equipped with a plurality of anticreep strips (34) on arm-tie (33).