CN216138832U - Puller with size capable of being adjusted randomly - Google Patents
Puller with size capable of being adjusted randomly Download PDFInfo
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- CN216138832U CN216138832U CN202120517921.0U CN202120517921U CN216138832U CN 216138832 U CN216138832 U CN 216138832U CN 202120517921 U CN202120517921 U CN 202120517921U CN 216138832 U CN216138832 U CN 216138832U
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- screw rod
- puller
- chain
- threaded sleeve
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Abstract
The utility model discloses a puller with the size capable of being adjusted at will, which comprises a main body component and a connecting component connected with the main body component. The main body assembly comprises a screw rod, a circular plate, a hexagonal prism and a conical end, wherein the circular plate is fixed at one end of the screw rod, the hexagonal prism is fixed on the circular plate, and the conical end is connected to the other end of the screw rod; the end part of the screw rod is provided with a circular plate, so that the position of a wrench can be limited and deviation can be prevented when the screw rod is operated, and the hexagonal prism arranged on the circular plate can facilitate the wrench to rotate, so that the screw rod is driven to rotate, and a workpiece bearing is separated from a shaft. Coupling assembling, including threaded sleeve, chain and drag hook, the screw rod passes threaded sleeve, chain one end is fixed at threaded sleeve surface, chain and drag hook fixed connection. The puller is characterized in that the puller gripper of the puller is designed into the combination of a chain and a draw hook, the size of the puller can be adjusted according to the size of a workpiece, and the use of the draw hook can avoid the phenomenon that the draw hook slips from a working face in use.
Description
Technical Field
The utility model relates to the technical field of a puller, in particular to a puller with the size capable of being adjusted at will.
Background
The puller is a disassembling tool for separating the bearing and the shaft, and in daily maintenance and repair work, when a used conventional puller is used for disassembling some small parts or large parts, the condition that the puller cannot be used due to size limitation often occurs. In addition, the phenomenon that the jaw slips from the working face easily occurs in the using process of the conventional puller.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.
The present invention has been made in view of the above and/or other problems with the prior art lama.
Therefore, the problem that the size of the conventional puller is not enough when the puller is disassembled is solved.
In order to solve the technical problems, the utility model provides the following technical scheme: the puller capable of adjusting the size at will comprises a main body assembly and a connecting assembly, wherein the main body assembly comprises a screw rod, a circular plate, a hexagonal prism and a conical end, the circular plate is fixed at one end of the screw rod, the hexagonal prism is fixed on the circular plate, and the conical end is connected to the other end of the screw rod;
coupling assembling, including threaded sleeve, chain and drag hook, the screw rod passes threaded sleeve, chain one end is fixed at threaded sleeve surface, chain and drag hook fixed connection.
As a preferable embodiment of the puller with the size capable of being adjusted arbitrarily in the present invention, wherein: the chain comprises connecting joints and pins, and the connecting joints are connected through the pins.
As a preferable embodiment of the puller with the size capable of being adjusted arbitrarily in the present invention, wherein: the connecting joint is provided with a jack, and the end part of the drag hook is provided with a round hole.
As a preferable embodiment of the puller with the size capable of being adjusted arbitrarily in the present invention, wherein: the connecting piece comprises a bolt and a butterfly nut, the bolt penetrates through the round hole and the jack, and the butterfly nut is connected with the bolt in a matched mode.
As a preferable embodiment of the puller with the size capable of being adjusted arbitrarily in the present invention, wherein: the draw hook is in an L shape.
As a preferable embodiment of the puller with the size capable of being adjusted arbitrarily in the present invention, wherein: the outer surface of the screw rod is provided with an external thread, the inner diameter of the threaded sleeve is provided with an internal thread, and the external thread is matched with the internal thread.
As a preferable embodiment of the puller with the size capable of being adjusted arbitrarily in the present invention, wherein: the screw rod is a cylindrical pipe, and the conical end is a cone.
As a preferable embodiment of the puller with the size capable of being adjusted arbitrarily in the present invention, wherein: one end of the chain is fixed with the threaded sleeve by welding.
As a preferable embodiment of the puller with the size capable of being adjusted arbitrarily in the present invention, wherein: the number of the chains is two or more.
As a preferable embodiment of the puller with the size capable of being adjusted arbitrarily in the present invention, wherein: the chains are uniformly distributed around the axis of the threaded sleeve.
The utility model has the beneficial effects that: the utility model can adjust the size of the puller and prevent the puller from slipping from the working surface when the pull hook pulls a workpiece by replacing the prior claw with the chain and the pull hook.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic overall structure diagram according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a main assembly according to an embodiment of the present invention.
Fig. 3 is a schematic view of a chain and a connecting member according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1-2, the embodiment provides a size-adjustable puller.
Specifically, the adjustable puller includes a main body assembly 100 and a connection assembly 200 connected to the main body assembly 100.
The body assembly 100 comprises a screw 101, a circular plate 102, a hexagonal prism 103 and a tapered end 104, wherein the circular plate 102 is fixed at one end of the screw 101, the hexagonal prism 103 is fixed on the circular plate 102, and the tapered end 104 is connected at the other end of the screw 101; the end part of the screw 101 is provided with a circular plate 102, so that the position of a wrench can be limited and deviation can be prevented during operation, and a hexagonal prism 103 arranged on the circular plate 102 can be conveniently rotated by using the wrench, so that the screw 101 is driven to rotate, and a workpiece bearing is separated from a shaft.
The connecting assembly 200 comprises a threaded sleeve 201, a chain 202 and a draw hook 203, the screw 102 penetrates through the threaded sleeve 201, one end of the chain 202 is fixed on the outer surface of the threaded sleeve 201, and the chain 202 is fixedly connected with the draw hook 203. The puller is characterized in that the puller gripper of the puller is designed into the combination of a chain and a draw hook, the size of the puller can be adjusted according to the size of a workpiece, and the use of the draw hook can avoid the phenomenon that the draw hook slips from a working face in use.
Example 2
Referring to fig. 1 to 3, the present embodiment is different from the previous embodiment in that the chain 202 includes a connecting link 202a and a pin 202b, and the connecting links 202a are connected by the pin 202 b.
Preferably, the connecting joint 202a is provided with a jack 205, and the end of the draw hook 203 is provided with a round hole 206. When the workpiece is disassembled, the proper jack 205 can be selected on the chain 202 according to the size of the workpiece, so that the problem that the size of the puller is inconsistent with the size of the workpiece is solved.
Preferably, the connecting member 204 comprises a bolt 204a and a wing nut 204b, the bolt 204a passes through the circular hole 206 and the insertion hole 205, and the wing nut 204b is connected with the bolt 204a in a matching manner. When the chain 202 and the draw hook 203 are connected, the bolt 204a and the butterfly nut 204b are selected, so that the size of the puller gripper can be adjusted more conveniently.
Preferably, the retractor 203 is in the shape of the letter "L". The phenomenon that the jaw slips can appear when the conventional puller works, so that safety accidents are caused, and the puller and a workpiece can be tightly grabbed by selecting the L-shaped draw hook 203, so that the slippage is not easy to occur.
Preferably, the outer surface of the screw 101 is provided with an external thread, and the inner diameter of the threaded sleeve 201 is provided with an internal thread, and the external thread is matched with the internal thread.
Preferably, the screw 101 is a cylindrical tube and the tapered end 104 is a cone. When the automatic centering device is used, the draw hook 203 is matched with the workpiece hook in position, then the hexagonal prism 103 is rotated to drive the screw 101 to rotate until the conical end 104 extends into the workpiece, automatic centering is achieved, unbalance loading is prevented, and the screw 101 is guaranteed to be always located at a stress center, so that the service life is greatly prolonged, the bearing can be pulled out by pulling the puller outwards, the use is flexible, the operation is simple, and the puller is light in weight, small in size and convenient to carry.
Preferably, one end of the chain 202 is fixed to the threaded sleeve 201 by welding, so that the puller is more compact in structure and more tightly connected. The number of the chains 202 is two or more. The three chains 202 are adopted in the design, the chains 202 are uniformly distributed around the axis of the threaded sleeve 201, the structure is stable when the puller pulls a workpiece, the drag hook 203 does not slip, and the workpiece can be quickly separated.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the utility model, or those unrelated to enabling the utility model).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a can adjust the size wantonly draw horse which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the main body assembly (100) comprises a screw rod (101), a circular plate (102), a hexagonal prism (103) and a tapered end (104), wherein the circular plate (102) is fixed at one end of the screw rod (101), the hexagonal prism (103) is fixed on the circular plate (102), and the tapered end (104) is connected to the other end of the screw rod (101);
coupling assembling (200), including threaded sleeve (201), chain (202) and drag hook (203), threaded sleeve (201) is passed in screw rod (101), chain (202) one end is fixed at threaded sleeve (201) surface, chain (202) and drag hook (203) fixed connection.
2. The size-adjustable puller according to claim 1, wherein: the chain (202) comprises connecting joints (202a) and pins (202b), and the connecting joints (202a) are connected through the pins (202 b).
3. The size-adjustable puller according to claim 2, wherein: the connecting joint (202a) is provided with an insertion hole (205), and the end part of the drag hook (203) is provided with a round hole (206).
4. The size-adjustable puller according to claim 3, wherein: the connecting assembly (200) further comprises a connecting piece (204), the connecting piece (204) comprises a bolt (204a) and a wing nut (204b), the bolt (204a) penetrates through the round hole (206) and the inserting hole (205), and the wing nut (204b) is connected with the bolt (204a) in a matched mode.
5. The size-adjustable puller according to claim 4, wherein: the draw hook (203) is in an L shape.
6. The size-adjustable puller according to claim 5, wherein: the outer surface of the screw rod (101) is provided with an external thread, the inner diameter of the threaded sleeve (201) is provided with an internal thread, and the external thread is matched with the internal thread.
7. The size-adjustable puller according to claim 1 or 6, wherein: the screw (101) is a cylindrical tube, and the tapered end (104) is a cone.
8. The size-adjustable puller according to claim 7, wherein: one end of the chain (202) is fixed with the threaded sleeve (201) by welding.
9. The size adjustable puller according to claim 8, wherein: the number of the chains (202) is two or more.
10. The size-adjustable puller according to any one of claims 1, 2 and 9, wherein: the chains (202) are uniformly distributed around the axis of the threaded sleeve (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120517921.0U CN216138832U (en) | 2021-03-10 | 2021-03-10 | Puller with size capable of being adjusted randomly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120517921.0U CN216138832U (en) | 2021-03-10 | 2021-03-10 | Puller with size capable of being adjusted randomly |
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| Publication Number | Publication Date |
|---|---|
| CN216138832U true CN216138832U (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120517921.0U Active CN216138832U (en) | 2021-03-10 | 2021-03-10 | Puller with size capable of being adjusted randomly |
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| CN (1) | CN216138832U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115673179A (en) * | 2023-01-03 | 2023-02-03 | 季华实验室 | Cage-shaped heating wire winding device and method |
-
2021
- 2021-03-10 CN CN202120517921.0U patent/CN216138832U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115673179A (en) * | 2023-01-03 | 2023-02-03 | 季华实验室 | Cage-shaped heating wire winding device and method |
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