CN219026033U

CN219026033U - Universal reamer with adjustable structure

Info

Publication number: CN219026033U
Application number: CN202223512015.5U
Authority: CN
Inventors: 于阳; 徐丽华
Original assignee: Jiangsu Wanzhong Precision Tools Co ltd
Current assignee: Jiangsu Wanzhong Precision Tools Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-16
Anticipated expiration: 2032-12-28

Abstract

The utility model is applicable to reamers, and provides a universal reamer with an adjustable structure, which comprises a conical end head; the annular array of the peripheral side face of the conical end head is provided with extension end arms; the extending end arms are in sliding fit with the conical end heads; the conical end is far away from the end pushing frame which is matched with the inside of one end of the extending end arm in a sliding way; the end pushing frame is mutually spliced with the end parts of the plurality of extending end arms; the utility model has the advantages that through rotating the rotary screw rod, the rotary screw rod is mutually matched with the threaded guide sleeve of the end pushing frame in a threaded manner when rotating, so that the end pushing frame moves along the end part of the conical end, and the end pushing frame is mutually spliced with the guide shaft rod of the end part of the extending end arm when moving, so that a plurality of extending end arms move along the end surface of the conical end, reaming of different diameters of drilling can be realized, operation and adjustment are convenient, the universality is strong, and the requirement of actual use is met.

Description

Universal reamer with adjustable structure

Technical Field

The utility model relates to the technical field of reamers, in particular to a universal reamer with an adjustable structure.

Background

Reamer tools are typically used for semi-finishing or finishing of holes, and for reaming or pre-machining prior to grinding or enlarging the bottom hole of a blank hole.

The existing reamer is fixed in bit structure, inconvenient to adjust, when an original drilled hole needs to be enlarged, personnel are required to detach the original bit, then the bits of different types are replaced, so that the reamer is inconvenient to operate and consumes more time.

Disclosure of Invention

In view of the shortcomings of the prior art, the present utility model is directed to a universal reamer of adjustable construction.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

an adjustable structured universal reamer comprising a tapered tip; the annular array of the peripheral side face of the conical end head is provided with extension end arms; the extending end arms are in sliding fit with the conical end heads; the conical end is far away from the end pushing frame which is matched with the inner part of one end of the extending end arm in a sliding way; the end pushing frame is mutually spliced with the end parts of the plurality of extending end arms; the inner end part of the conical end head is rotationally connected with a rotary screw rod which is in threaded fit with the end pushing frame.

The utility model is further provided with: the annular array at the periphery of the conical end head is provided with a channel matched with the extending end arm; the opposite surfaces of the two sides of the channel are provided with sliding grooves; the annular array of the outer peripheral side face of the conical end head is provided with first reaming teeth.

The utility model is further provided with: sliding strips matched with the sliding grooves are arranged on two side surfaces of the extending end arms; the outer surface of the extending end arm is provided with second reaming teeth in an array manner; and a guide shaft rod is vertically fixed at the end part of the extending end arm.

The utility model is further provided with: the end part of the conical end head is provided with an end shaft; the center of the end shaft is of a hollow structure; the end shaft is provided with guide grooves close to the annular array on the circumferential side surface of one end of the conical end head.

The utility model is further provided with: the end pushing frame comprises a threaded guide sleeve matched with the rotary screw rod; the annular array of the peripheral side surface of the threaded guide sleeve is provided with support arms matched with the guide grooves; the side surface of the end part of the support arm is provided with a plug lug matched with the guide shaft lever.

The utility model is further provided with: the two end parts of the rotary screw are connected with the end parts of the conical end heads and the inside of the end shaft in a mutually rotating way through ball bearings; and one end of the rotary screw rod, which is close to the end shaft, is provided with an inner hexagonal rotary end head.

The utility model has the advantages that the end pushing frame moves along the end part of the conical end by rotating the rotary screw rod which is in threaded fit with the threaded guide sleeve of the end pushing frame when rotating, and the end pushing frame is mutually inserted with the guide shaft rod at the end part of the extending end arm when moving, so that a plurality of extending end arms move along the end surface of the conical end, the reaming of different diameters of drilling can be realized, the operation and the adjustment are convenient, the universality is strong, and the requirement of actual use is met.

Drawings

Fig. 1 is a schematic view of a universal reamer with an adjustable structure according to the present utility model.

Fig. 2 is a schematic cross-sectional view of a universal reamer of adjustable construction according to the present utility model.

FIG. 3 is a schematic view of the structure of the tapered end head of the present utility model.

Fig. 4 is a schematic structural view of an extension end arm according to the present utility model.

Fig. 5 is a schematic structural view of the push frame of the present utility model.

In the figure: 1. a tapered end; 2. extending the end arm; 3. an end pushing frame; 4. rotating the screw; 101. a channel; 102. a chute; 103. a first reaming tooth; 104. an end shaft; 105. a guide groove; 201. a slide bar; 202. a second reaming tooth; 203. a guide shaft lever; 301. a threaded guide sleeve; 302. a support arm; 303. a plug lug; 401. the inner hexagon rotates the end head.

Detailed Description

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Examples

Referring to fig. 1-5, the present utility model provides the following technical solutions:

in particular to a universal reamer with an adjustable structure, which comprises a conical end head 1; the annular array of the peripheral side surface of the conical end head 1 is provided with extension end arms 2; a plurality of extension end arms 2 are in sliding fit with the conical end heads 1; the annular array at the periphery of the conical end head 1 is provided with a channel 101 matched with the extension end arm 2; the opposite surfaces of the two sides of the channel 101 are provided with sliding grooves 102; the annular array of the peripheral side surface of the conical end head 1 is provided with first reaming teeth 103; the end part of the conical end head 1 is provided with an end shaft 104; the center of the end shaft 104 is of a hollow structure; the end shaft 104 is provided with a guide groove 105 near the circumferential side surface of one end of the conical end head 1 in an annular array; sliding strips 201 matched with the sliding grooves 102 are arranged on two side surfaces of the extending end arms 2; the outer surface of the extension end arm 2 is provided with second reaming teeth 202 in an array; a guide shaft lever 203 is vertically fixed at the end part of the extension end arm 2; an end pushing frame 3 in sliding fit with one end of the conical end head 1 far away from the extension end arm 2; the end pushing frame 3 is mutually spliced with the end parts of the plurality of extending end arms 2; the end pushing frame 3 comprises a threaded guide sleeve 301 matched with the rotary screw 4; the annular array of the peripheral side surface of the threaded guide sleeve 301 is provided with support arms 302 matched with the guide grooves 105; the side surface of the end part of the support arm 302 is provided with a plug lug 303 matched with the guide shaft lever 203; the inner end part of the conical end head 1 is rotationally connected with a rotary screw 4 which is in threaded fit with the end pushing frame 3; the two ends of the rotary screw 4 are connected with the end of the conical end head 1 and the inside of the end shaft 104 in a mutually rotating way through ball bearings; the rotating screw 4 is provided with an inner hexagonal rotating end 401 near one end of the end shaft 104.

The working principle of the universal reamer with the adjustable structure provided by the utility model is as follows: during aperture adjustment, the rotating screw 4 is driven to rotate through the inner hexagonal rotating end 401, when the rotating screw 4 rotates, the rotating screw 4 is in threaded fit with the threaded guide sleeve 301 of the end pushing frame 3, the support arm 302 located on the outer peripheral side surface of the threaded guide sleeve 301 is in limit fit with the guide groove 105 on the outer peripheral side surface of the end shaft 104, the end pushing frame 3 integrally moves along the end shaft 104, the inserting lugs 303 on the peripheral side surface of the end part of the support arm 302 are inserted with the guide shaft 203 on the end part of the extending end arm 2, meanwhile, the sliding strips 201 on two sides of the extending end arm 2 are in limit fit with the sliding grooves 102 on two sides of the groove 101 on the outer peripheral side surface of the conical end 1, a plurality of extending end arms 2 can slide along the groove 101 on the outer peripheral side surface of the conical end 1, reaming of different diameters of a drilled hole can be achieved, operation adjustment is convenient, universality is high, and the requirement of practical use is met.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. A universal reamer of adjustable construction, characterized in that:

comprises a conical end head (1); the annular array of the peripheral side face of the conical end head (1) is provided with extension end arms (2); the extending end arms (2) are in sliding fit with the conical end heads (1);

the conical end head (1) is far away from an end pushing frame (3) which is matched with the inside of one end of the extending end arm (2) in a sliding way; the end pushing frame (3) is mutually spliced with the end parts of the plurality of extending end arms (2); the inner end part of the conical end head (1) is rotationally connected with a rotary screw rod (4) which is in threaded fit with the end pushing frame (3).

2. The adjustable structured universal reamer of claim 1, wherein: the annular array at the peripheral side of the conical end head (1) is provided with a channel (101) matched with the extending end arm (2); the opposite surfaces of the two sides of the channel (101) are provided with sliding grooves (102); the annular array of the peripheral side face of the conical end head (1) is provided with first reaming teeth (103).

3. The adjustable structured universal reamer of claim 2, wherein: sliding strips (201) matched with the sliding grooves (102) are arranged on two side surfaces of the extending end arms (2); the outer surface of the extending end arm (2) is provided with second reaming teeth (202) in an array manner; the end part of the extending end arm (2) is vertically fixed with a guide shaft lever (203).

4. A universal reamer of adjustable construction according to claim 3, wherein: an end shaft (104) is arranged at the end part of the conical end head (1); the center of the end shaft (104) is of a hollow structure; the end shaft (104) is close to the annular array of the circumferential side surface of one end of the conical end head (1) and provided with guide grooves (105).

5. The adjustable structured universal reamer of claim 4, wherein: the end pushing frame (3) comprises a threaded guide sleeve (301) matched with the rotary screw rod (4); the outer peripheral side surface of the threaded guide sleeve (301) is provided with a support arm (302) matched with the guide groove (105) in an annular array manner; the side surface of the end part of the support arm (302) is provided with a plug lug (303) matched with the guide shaft lever (203).

6. The adjustable structured universal reamer of claim 5, wherein: the two end parts of the rotary screw (4) are connected with the end part of the conical end head (1) and the inside of the end shaft (104) in a mutually rotating way through ball bearings; one end of the rotary screw rod (4) close to the end shaft (104) is provided with an inner hexagonal rotary end head (401).