CN218591966U

CN218591966U - Reamer bit

Info

Publication number: CN218591966U
Application number: CN202223194070.4U
Authority: CN
Inventors: 陆嘉
Original assignee: Changzhou Jingxiao Electronics Co ltd
Current assignee: Changzhou Jingxiao Electronics Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-10
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to a reamer technical field specifically discloses a reamer, and its technical scheme main points are: including the handle of a knife, the handle of a knife is close to the surface of one end and has seted up the mounting groove, the adjustment tank has been seted up to the surface of handle of a knife, the inside of adjustment tank is inlayed and is equipped with the adjustable ring, promote the adjustable ring, make guide bar and spacing post remove in the inside in spacing hole and the inside of spout, upwards promote the tool bit, the recess that makes the tool bit set up drives draw-in groove extrusion spacing ball, remove in the inside in spacing hole after the spacing ball atress, break away from the connecting piece until the tool bit, put aside the adjustable ring again, the spring promotes the adjustable ring and removes at the surface of adjustment tank, make spacing post and guide bar reset, the surface of extrusion spacing ball when spacing post resets, make spacing ball reset, be connected handle of a knife and equipment through the mounting groove, when one of them damages of tool bit and handle of a knife, the handle of a knife is dismantled tool bit and tool bit through promoting the adjustable ring, follow and trade, need not wholly scrap.

Description

Reamer bit

Technical Field

The utility model relates to a reamer technical field, concretely relates to reamer.

Background

Reamers, tools for enlarging or reducing the size of a borehole, etc., have a helical shape, such as a straight shape of a blade of a drill, depending on the application. The holes may also be conical, although suitable for a wide range of hole sizes.

However, in the prior art, the reamer head and the reamer handle are integrally formed, after the blades of the reamer head are worn, the reamer handle and the reamer head are generally discarded and recycled together, a recycling manufacturer needs to cast the reamer handle and the reamer head from a new casting process, a large amount of manpower and material resources are needed, and resource waste exists.

SUMMERY OF THE UTILITY MODEL

To the problem of mentioning in the background art, the utility model aims at providing a reamer to the cervical vertebra pillow that mentions in solving the background art is fixed at in-service use in-process thickness, and in order to adapt to the patient of different demands, the thickness of adjusting the cervical vertebra pillow generally can increase the pad in the below pad of cervical vertebra pillow, complex operation, and the cervical vertebra pillow also can slide because of increasing the pad when using, influences the technical problem who uses experience.

The above technical object of the present invention can be achieved by the following technical solutions:

the utility model provides a reamer, includes the handle of a knife, the adjustment tank has been seted up to the surface of handle of a knife, the adjustable ring is inlayed to the inside of adjustment tank, the inner wall fixed surface of adjustable ring is connected with the guide force pole, the spout has been seted up on the inner wall surface of adjustment tank, the last fixed surface of handle of a knife is connected with the connecting piece, the surface of connecting piece is provided with the tool bit, a side surface of tool bit is seted up flutedly, the surface of connecting piece is located through the recess cover to the tool bit.

Through adopting above-mentioned technical scheme, use the adjustable ring to remove in the inside of mounting groove, control power guide rod removes in the inside of spout, adjusts inside spare part.

Preferably, a limiting hole is formed in one side surface of the connecting piece and one side surface of the cutter handle, and a limiting column is embedded in the limiting hole in a sliding mode.

Through adopting above-mentioned technical scheme, spacing post slides in the inside in spacing hole.

Preferably, the outer surface of the connecting piece is provided with a limiting hole, and the inner wall surface of the limiting hole is embedded with a limiting ball.

Through adopting above-mentioned technical scheme, spacing hole is seted up at the surface of connecting piece, the removal orbit of restriction ball.

Preferably, one end of the limiting column is fixedly connected to the outer surface of the force guide rod, and a clamping groove is formed in the surface of the inner wall of the groove.

Through adopting above-mentioned technical scheme, the inside of spacing ball embedding draw-in groove is fixed tool bit and connecting piece.

Preferably, a spring is fixedly connected to one side surface of the adjusting ring, and one end of the spring is fixedly connected to the inner wall surface of the adjusting groove.

Through adopting above-mentioned technical scheme, the spring provides holding power for the adjustable ring, lets the adjustable ring reset after releasing the adjustable ring.

To sum up, the utility model discloses mainly have following beneficial effect:

promote the adjustable ring, put into the inside of two arcs with forefinger and thumb respectively during the use, the inner wall surface of two arcs pastes and has a plurality of rubber granules, increase the frictional force between two arcs and the finger, avoid the finger to slide at the inner wall surface of two arcs, two arcs increase the area of contact between finger and the adjustable ring, adjust the direction of force of adjustable ring, make the adjustable ring move in the inside of adjustment tank, adjustable ring removes in-process compression spring, the spring absorbs kinetic energy, make guide force pole and spacing post move in the inside of spacing hole and the inside of spout, when the spacing ball in the regulation hole is kept away from to the one end of guide force pole, upwards promote the tool bit, the recess that makes the tool bit set up drives draw-in groove extrusion spacing ball, move in the inside of regulation hole behind the spacing ball atress, until the tool bit breaks away from the connecting piece, put the adjustable ring again, the spring promotes the adjustable ring and moves at the surface of adjustment tank, make spacing post and guide force pole reset, the surface of spacing ball extrudees the spacing ball when the spacing post resets, make the spacing ball reset, be connected with handle of a knife through the mounting groove, when one of tool bit and handle of a knife damages, will promote the adjustable ring, will change with the dismantlement, need not scrapped.

Drawings

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

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

fig. 3 is a schematic top perspective view of the connector of the present invention;

fig. 4 is a schematic sectional perspective view of the present invention.

Reference numerals: 1. a knife handle; 2. a cutter head; 3. an adjustment groove; 4. an adjusting ring; 5. an arc-shaped slot; 6. a spring; 7. mounting grooves; 8. a limiting hole; 9. a chute; 10. a force guide rod; 11. a limiting column; 12. a connecting member; 13. a groove; 14. an adjustment hole; 15. a card slot; 16. and a limiting ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, a reamer comprises a handle 1, a connecting member 12 welded at one end of the handle 1, a tool bit 2 sleeved on the outer surface of the connecting member 12, an adjusting ring 4 disposed below the tool bit 2, a spring 6 disposed on the lower surface of the adjusting ring 4, an inner specific surface of the spring 6 sleeved on the outer surface of the handle 1, an adjusting groove 3 disposed on the outer surface of the handle 1, a sliding groove 9 disposed on the inner wall surface of the adjusting groove 3, a limiting hole 8 disposed on one side surface of the connecting member 12 and one side surface of the handle 1, a limiting post 11 disposed inside the limiting hole 8, a force guiding rod 10 disposed on the inner wall surface of the sliding groove 9, an adjusting hole 14 disposed on the outer surface of the connecting member 12, a limiting ball 16 embedded on the inner wall surface of the adjusting hole 14, a side surface of the force guiding rod 10 fixedly connected to the outer surface of the limiting post 11, a clamping groove 15 disposed on the inner wall surface of the groove 13 for pushing the adjusting ring 4, the adjusting ring 4 is moved in the adjusting groove 3, the spring 6 is compressed in the moving process of the adjusting ring 4, the spring 6 absorbs kinetic energy, the force guide rod 10 and the limiting column 11 move in the limiting hole 8 and the sliding groove 9, when one end of the force guide rod 10 is far away from the limiting ball 16 in the adjusting hole 14, the cutter head 2 is pushed upwards, the groove 13 formed in the cutter head 2 drives the clamping groove 15 to extrude the limiting ball 16, the limiting ball 16 moves in the adjusting hole 14 after being stressed until the cutter head 2 is separated from the connecting piece 12, the adjusting ring 4 is released, the spring 6 pushes the adjusting ring 4 to move on the outer surface of the adjusting groove 3, the limiting column 11 and the force guide rod 10 are reset, the outer surface of the limiting ball 16 is extruded when the limiting column 11 is reset, the limiting ball 16 is reset, when one of the cutter head 2 and the cutter handle 1 is damaged, the cutter head 2 and the cutter handle 1 are detached by pushing the adjusting ring 4, the replacement is carried out without integral scrapping.

Referring to fig. 1-4, two arc walls 5 have been seted up to the surface of adjustable ring 4, two arc walls 5 set up relatively, regulation hole 14 is the reducing hole, mounting groove 7 has been seted up to the surface that handle of a knife 1 is close to one end, put into the inside of two arc walls 5 respectively with forefinger and thumb during the use, the inner wall surface paste of two arc walls 5 has a plurality of rubber particles, increase the frictional force between two arc walls 5 and the finger, avoid pointing at the inner wall surface slip of two arc walls 5, two arc walls 5 increase the area of contact between finger and adjustable ring 4, adjust the direction of stress of adjustable ring 4, spacing ball 16 inlays the inside of locating regulation hole 14, spacing ball 16 breaks away from regulation hole 14 when avoiding connecting piece 12 to break away from recess 13, handle of a knife 1 is fixed with the link of equipment through mounting groove 7, improve and use experience.

The working principle is as follows: referring to fig. 1-4, when in use, a forefinger and a thumb are respectively placed inside the two arc-shaped grooves 5, a plurality of rubber particles are adhered on the inner wall surfaces of the two arc-shaped grooves 5, friction force between the two arc-shaped grooves 5 and fingers is increased, the fingers are prevented from sliding on the inner wall surfaces of the two arc-shaped grooves 5, the two arc-shaped grooves 5 increase the contact area between the fingers and the adjusting ring 4, the adjusting ring 4 is pushed to move inside the adjusting groove 3, the spring 6 compresses the spring 6 during the movement of the adjusting ring 4, the spring 6 absorbs kinetic energy to make the force guide rod 10 and the limiting column 11 move inside the limiting hole 8 and the sliding groove 9, when one end of the force guide rod 10 is far away from the limiting ball 16 in the adjusting hole 14, the cutter head 2 is pushed upwards, the groove 13 formed in the cutter head 2 drives the clamping groove 15 to press the limiting ball 16, the limiting ball 16 moves inside the adjusting hole 14 after being stressed until the cutter head 2 is separated from the connecting piece 12, the adjusting ring 4 is opened again, the spring 6 pushes the outer surface 4 to move on the adjusting groove 3, the adjusting ring column 11 and the limiting ball 11 is reset, and the limiting ball 16 is reset, and the limiting ball 16 is reset.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A reamer, including handle of a knife (1), its characterized in that: adjustment tank (3) have been seted up to the surface of handle of a knife (1), the inside of adjustment tank (3) is inlayed and is equipped with adjustable ring (4), the inner wall fixed surface of adjustable ring (4) is connected with guide force pole (10), spout (9) have been seted up on the inner wall surface of adjustment tank (3), the last fixed surface of handle of a knife (1) is connected with connecting piece (12), the surface of connecting piece (12) is provided with tool bit (2), recess (13) have been seted up on one side surface of tool bit (2), the surface of connecting piece (12) is located through recess (13) cover to tool bit (2), spacing hole (8) have been seted up on one side surface of connecting piece (12) and one side surface of handle of a knife (1), the inside slip of spacing hole (8) is inlayed and is equipped with spacing post (11).

2. A reamer according to claim 1 wherein: the outer surface of the connecting piece (12) is provided with an adjusting hole (14), and the inner wall surface of the adjusting hole (14) is embedded with a limiting ball (16).

3. A reamer according to claim 1 wherein: one end of the limiting column (11) is fixedly connected to the outer surface of the force guide rod (10).

4. The reamer of claim 2 wherein: and a clamping groove (15) is formed in the surface of the inner wall of the groove (13).

5. The reamer of claim 1 wherein: the surface of one side of adjustable ring (4) is fixedly connected with spring (6), the one end fixed connection of spring (6) and the inner wall surface of adjustment tank (3).