CN214023848U

CN214023848U - Multifunctional vertebral canal reamer

Info

Publication number: CN214023848U
Application number: CN202022469250.3U
Authority: CN
Inventors: 张静; 张国华; 吕惠红
Original assignee: Taixing Guotai Tool Manufacturing Co ltd
Current assignee: Taixing Guotai Tool Manufacturing Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-24
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a multi-functional canalis spinalis reamer, including straight handle, spliced pole and tool bit, the inside of straight handle is the cavity form, and the inside one end fixed mounting of straight handle has the spliced pole, and the one end of straight handle is provided with reverse screw thread, and one side threaded connection of reverse screw thread has the sleeve, and the equal fixed mounting in telescopic both sides has the reference column, and one side and the tool bit reciprocal anchorage of reference column, and the reference column is embedded in the inside of tool bit, and the tool bit is provided with a plurality of reamer piece on the surface, and the degree of depth of the interior recess of the tip of a plurality of reamer pieces is 5-10 MM. The utility model discloses an one end is equipped with reverse screw thread on the straight shank, can guarantee when clockwise rotating on the lathe, and the tool bit is connected with the straight shank more stably, and the other end installation of straight shank has the spliced pole, can external multiple handle of a knife through the spliced pole, is fit for installing on multiple lathe, makes its work efficiency improve greatly.

Description

Multifunctional vertebral canal reamer

Technical Field

The utility model relates to a mechanical cutting tool technical field specifically is a multi-functional canalis spinalis reamer.

Background

The reamer is a rotary tool with one or more cutter teeth for cutting off a thin layer of metal on the surface of a machined hole, the reamer is a rotary finishing tool with a straight edge or a spiral edge and is used for reaming or repairing the hole, the machining precision of the reamer is generally higher than that of a drill bit due to less cutting amount, the reamer can be manually operated or mounted on a drill machine to work, the reamer is used for reaming the drilled (or reamed) machined hole on a workpiece, the reamer is a tool for finishing and semi-finishing the hole mainly for improving the machining precision of the hole and reducing the roughness of the surface of the hole, the machining allowance is generally small, and the reamer used for machining a cylindrical hole is more common. The reamer used for processing the tapered hole is a tapered reamer and is less in use. The manual reamer and the machine reamer can be seen according to the using condition, and the machine reamer can be divided into a straight shank reamer and a taper shank reamer. The hand reamer is of a straight shank type, and the reamer structure is mainly composed of a working part and a shank part. The working part mainly has the functions of cutting and calibrating, and the diameter of the calibrating part has an inverted cone. The shank is used to be clamped by the clamp and is divided into a straight shank and a taper shank.

The multi-functional canalis vertebralis reamer that has now on the market has following not enough: the function is single, and the tool shank cannot be replaced, so that the tool cannot be used on lathes with various specifications; we have therefore made an improvement to this and have proposed a multi-functional spinal reamer.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a multi-functional canalis spinalis reamer, including straight handle, spliced pole and tool bit, the inside of straight handle is the cavity form, just the inside one end fixed mounting of straight handle has the spliced pole, the one end of straight handle is provided with reverse screw thread, one side threaded connection of reverse screw thread has the sleeve, the equal fixed mounting in telescopic both sides has the reference column, one side and the tool bit reciprocal anchorage of reference column, just the reference column is embedded in the inside of tool bit, the tool bit be provided with a plurality of reamer piece on the surface, and is a plurality of the degree of depth of the indent in the tip of reamer piece is 5-10 MM.

As a preferred technical scheme of the utility model, the inside of spliced pole is the cavity dress, just the inner wall of spliced pole is equipped with the screw thread, the one end threaded connection of spliced pole has fixed handle, fixed handle and the relative one end middle part fixedly connected with screw thread post of spliced pole.

As a preferred technical scheme of the utility model, the mutual threaded connection of one end spliced pole of screw thread post, the top fixed mounting of spliced pole has the connection cardboard, connect the cardboard with the inside top of straight shank block each other with.

As an optimal technical scheme of the utility model, the fixed handle of one end swing joint alloy of spliced pole, the top of the fixed handle of alloy is provided with the fixed slot with the bottom is all fixed, one side of fixed slot is equipped with the gag lever post.

As a preferred technical scheme of the utility model, the inside of straight handle is equipped with opens the chamber, and opens chamber department fixed mounting and have the bearing bar, one side fixed mounting of bearing bar has the spring, the one end fixed mounting of spring has the locating piece.

As an optimized technical scheme of the utility model, one side is fixed on the inner wall of straight handle and is provided with the draw-in groove, the position of draw-in groove corresponds each other with the position of locating piece.

As an optimal technical scheme of the utility model, the one end fixed mounting of bearing bar has the steel sheet, the both ends of steel sheet all with open the chamber each other block with, just the equal fixedly connected with fixing bolt in both ends of steel sheet, fixing bolt runs through the straight shank and hides among the fluting.

The utility model has the advantages that: this kind of multi-functional canalis spinalis reamer straight shank is last one end to be equipped with reverse screw thread, can guarantee when clockwise rotation on the lathe, the tool bit is connected more stably with straight shank, and the other end installation of straight shank has the spliced pole, can external multiple handle of a knife through the spliced pole, is fit for installing on multiple lathe, makes its work efficiency improve greatly, and in addition, the internally mounted of straight shank has the bearing bar, and the bearing bar can link up more stability and guarantee that the bearing capacity is better with straight shank and tool bit.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a perspective view of a main body of a multifunctional spinal reamer of the present invention;

FIG. 2 is a first perspective view of the multifunctional spinal reamer of the present invention;

FIG. 3 is a second exploded perspective view of the multi-functional spinal reamer of the present invention;

FIG. 4 is a three-dimensional view of the multifunctional spinal reamer of the present invention;

fig. 5 is a straight-shank internal cutting view of the multi-functional spinal reamer of the present invention.

In the figure: 1. a straight shank; 2. a cutter head; 3. a reamer blade; 4. a fixed handle; 5. connecting a clamping plate; 6. connecting columns; 7. a threaded post; 8. fixing grooves; 9. an alloy fixing handle; 10. a sleeve; 11. a positioning column; 12. reverse threads; 13. a load-bearing bar; 14. a card slot; 15. positioning blocks; 16. a spring; 17. fixing the bolt; 18. and (3) a steel plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, the utility model relates to a multi-functional canalis vertebralis reamer, including straight handle 1, spliced pole 6 and tool bit 2, the inside of straight handle 1 is the cavity form, and the inside one end fixed mounting of straight handle 1 has spliced pole 6, the one end of straight handle 1 is provided with reverse screw thread 12, one side threaded connection of reverse screw thread 12 has sleeve 10, the equal fixed mounting in both sides of sleeve 10 has reference column 11, one side and the tool bit 2 reciprocal anchorage of reference column 11, and reference column 11 is embedded in the inside of tool bit 2, tool bit 2 is provided with a plurality of reamer piece 3 on the surface, the degree of depth of the concave hole is 5-10MM in the tip of a plurality of reamer piece 3, the work piece has better effect.

Wherein, the inside of spliced pole 6 is the cavity dress, and the inner wall of spliced pole 6 is equipped with the screw thread, and the one end threaded connection of spliced pole 6 has fixed handle 4, and fixed handle 4 and the relative one end middle part fixedly connected with screw thread post 7 of spliced pole 6, screw thread post 7 can convenient and fast carry out the screw thread card with spliced pole 6 and be connected more convenient.

Wherein, 6 mutual threaded connection of one end spliced pole of screw thread post 7, the top fixed mounting of spliced pole 6 has the connection cardboard 5, connect cardboard 5 with straight 1 inside top mutually block with, can correspond each other with the inside top of straight 1, effective location makes things convenient for the later stage to connect.

Wherein, the fixed handle 9 of one end swing joint alloy of spliced pole 6, the top of the fixed handle 9 of alloy all is fixed with the bottom and is provided with fixed slot 8, and one side of fixed slot 8 is equipped with the gag lever post, better firm during the installation.

Wherein, the inside of straight handle 1 is equipped with opens the chamber, and opens chamber department fixed mounting and have bearing bar 13, and one side fixed mounting of bearing bar 13 has spring 16, and spring 16's one end fixed mounting has locating piece 15, and locating piece 15 can correspond each other with draw-in groove 14, can effectual fixed.

Wherein, a clamping groove 14 is fixedly arranged on one side of the inner wall of the straight handle 1, and the position of the clamping groove 14 corresponds to the position of the positioning block 15, so that the fixing is convenient.

Wherein, the one end fixed mounting of bearing bar 13 has steel sheet 18, the both ends of steel sheet 18 all with open the chamber mutually block with, and the equal fixedly connected with fixing bolt 17 in both ends of steel sheet 18, fixing bolt 17 runs through straight shank 1 and hides among the fluting, does not account for the space, and what hidden fixing bolt 17 can be better moreover carries out work.

The working principle is as follows: the spliced pole 6 is installed to 1 inside one side of straight handle, can be with the fixed handle 4 interconnect of multiple specification and multiple shape through the spliced pole 6, go up the line connection on fixed handle 4 and the lathe, the effect of installing on multiple lathe has been realized, thereby process the work piece, be equipped with reverse screw 12 on the straight handle 1, reverse screw 12 can carry out interconnect with sleeve 10, realized being connected quicker with tool bit 1, the better turning that carries out of during operation, bearing bar 13 is located the inside of straight handle 1, the one end fixed mounting of bearing bar 13 has steel sheet 18, the both ends of steel sheet 18 all with open the chamber each other block with, and the equal fixedly connected with fixing bolt 17 in both ends of steel sheet 18, fixing bolt 17 runs through straight handle 1 and hides among the fluting, do not account for the space, and hidden fixing bolt 17 can be better work.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; 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 according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a multi-functional canalis spinalis reamer, includes straight handle (1), spliced pole (6) and tool bit (2), its characterized in that, the inside of straight handle (1) is the cavity form, just the inside one end fixed mounting of straight handle (1) has spliced pole (6), the one end of straight handle (1) is provided with reverse screw thread (12), one side threaded connection of reverse screw thread (12) has sleeve (10), the equal fixed mounting in both sides of sleeve (10) has reference column (11), one side and tool bit (2) reciprocal anchorage of reference column (11), just reference column (11) are embedded in the inside of tool bit (2), the tool bit (2) be provided with a plurality of reamer piece (3) on the surface, and be a plurality of the degree of depth of recess is 5-10MM in the blade end of blade (3).

2. The multifunctional spinal reamer as claimed in claim 1, wherein the inside of the connecting column (6) is hollow, the inner wall of the connecting column (6) is provided with threads, one end of the connecting column (6) is connected with a fixing handle (4) in a threaded manner, and the middle part of one end of the fixing handle (4) opposite to the connecting column (6) is fixedly connected with a threaded column (7).

3. The multifunctional spinal reamer as claimed in claim 2, wherein one end connecting column (6) of the threaded column (7) is connected with each other in a threaded manner, the top end of the connecting column (6) is fixedly provided with a connecting clamping plate (5), and the connecting clamping plate (5) is mutually clamped with the top end inside the straight shank (1).

4. The multifunctional spinal reamer as claimed in claim 3, wherein one end of the connecting column (6) is movably connected with an alloy fixing handle (9), the top end and the bottom end of the alloy fixing handle (9) are both fixedly provided with fixing grooves (8), and one side of each fixing groove (8) is provided with a limiting rod.

5. The multifunctional spinal reamer as claimed in claim 1, wherein the straight shank (1) is internally provided with an open cavity, a bearing rod (13) is fixedly installed at the open cavity, a spring (16) is fixedly installed at one side of the bearing rod (13), and a positioning block (15) is fixedly installed at one end of the spring (16).

6. The multifunctional spinal reamer as claimed in claim 5, characterized in that a slot (14) is fixedly arranged on one side of the inner wall of the straight shank (1), and the position of the slot (14) corresponds to the position of the positioning block (15).

7. The multifunctional spinal reamer as claimed in claim 5, wherein a steel plate (18) is fixedly mounted at one end of the bearing rod (13), both ends of the steel plate (18) are mutually clamped with the open cavity, both ends of the steel plate (18) are fixedly connected with fixing bolts (17), and the fixing bolts (17) penetrate through the straight shank (1) and are hidden in the open grooves.