CN211680061U

CN211680061U - Connecting block with handle of a knife

Info

Publication number: CN211680061U
Application number: CN202020175328.8U
Authority: CN
Inventors: 陈沛多
Original assignee: Shanghai Zhiling Metal Products Co ltd
Current assignee: Shanghai Zhiling Metal Products Co ltd
Priority date: 2020-02-17
Filing date: 2020-02-17
Publication date: 2020-10-16
Anticipated expiration: 2030-02-17

Abstract

The utility model discloses a connecting block with handle of a knife, including nut component, coupling assembling, extrusion ring and connection handle of a knife, the tip of connecting the handle of a knife is equipped with the fixed knot of tool bit, it is close to the fixed one end of detaining of tool bit and pegs graft on coupling assembling's inner wall to connect the handle of a knife, and nut component establishes the junction at coupling assembling and connection handle of a knife, extrusion ring sliding connection is on coupling assembling and nut component's junction outer wall. The utility model discloses a collet chuck inner structure is similar with ratchet bearing in the handle of a knife connecting piece, and centre gripping cutter spare is inseparabler, and wherein the kingpin is that a direction is thick on the circular conical surface, and the opposite direction is thin, and not the equal altitude face rolls, and it is also that a direction is that the clearance is littleer that exactly, locks, and a direction is that the clearance is bigger, unclamps, not hard up extrusion ring locking rotational position, the spiral is downwards unclamped when anticlockwise, its inside hole circular slot design, outstanding precision can be ensured to even elastic deformation volume.

Description

Connecting block with handle of a knife

Technical Field

The utility model relates to a handle of a knife connecting piece technical field especially relates to a connecting block with handle of a knife.

Background

The tool shank is the mechanical spindle and tool and other accessory tool connecting piece.

The existing knife handle is troublesome to replace after being fixed through the threaded sleeve in the clamping regulation process when being fixed, after the existing knife handle is used for a long time, the joint of the threaded sleeve and the clamping end of the knife handle is easy to shake, a knife cannot be well fixed, and the existing knife handle is easy to fall off to cause danger when being used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a connecting block with a knife handle.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a connecting block with handle of a knife, includes nut component, coupling assembling, extrusion ring and connects the handle of a knife, the tip of connecting the handle of a knife is equipped with the fixed knot of tool bit, it pegs graft on coupling assembling's inner wall to connect the handle of a knife to be close to the fixed one end of detaining of tool bit, and the nut component establishes the junction at coupling assembling and connection handle of a knife, extrusion ring sliding connection is on coupling assembling and nut component's junction outer wall, one side outer wall of extrusion ring is equipped with the groove of sloping.

Preferably, the nut component comprises an extrusion buckle, an outer sleeve, an inner flat pad, a first plane oil seal, a sleeve rod flat pad and a first concentric retaining ring, the extrusion buckle is clamped on the inner wall of the outer sleeve, and the inner flat pad, the first plane oil seal, the sleeve rod flat pad and the first concentric retaining ring are sequentially sleeved at the joint of the cutter head fixing buckle and the outer sleeve.

Preferably, the connecting assembly comprises a collet, a tightening cylinder, a second concentric retaining ring, a tightening cylinder flat gasket, a second plane oil seal and a movable flat gasket, wherein sliding grooves are formed in the outer walls of four sides of the collet, extrusion buckles are arranged on the inner walls of four sides of the extrusion ring, the outer wall of each extrusion buckle is connected to the inner wall of the corresponding sliding groove in a sliding mode, the tightening cylinder is integrally connected to the outer wall of one end, close to the extrusion ring, of the collet, and the second concentric retaining ring, the tightening cylinder flat gasket, the second plane oil seal and the movable flat gasket are sequentially sleeved on the outer wall of the tightening cylinder.

Preferably, the tightening cylinder is of a staggered tightening structure, and limiting grooves are annularly distributed on the inner wall of the collet chuck at equal intervals.

Preferably, the inner wall of the extrusion buckle is sleeved on the outer wall of the tightening barrel, and the inner flat pad, the first plane oil seal, the loop bar flat pad, the first concentric retaining ring, the second concentric retaining ring, the tightening barrel flat pad, the second plane oil seal and the movable flat pad are symmetrically distributed on the outer walls of the two sides of the extrusion buckle.

Preferably, the inner wall of the tightening barrel is provided with a ratchet, and the inner wall of the ratchet is provided with a roller pin.

The utility model has the advantages that: the inner structure of the collet chuck in the tool holder connecting piece is similar to that of a ratchet bearing, a tool holder is more tightly clamped, a rolling pin is thicker in one direction on a conical surface and thinner in the opposite direction instead of rolling on an isoaltimetric surface, namely, the gap is smaller in one direction, the clamping is locked, the gap is larger in one direction, the clamping is loosened, the extrusion ring and the rolling pin are driven to rotate when the extrusion ring is lifted and rotates clockwise, the extrusion ring inclines and inclines due to the guiding action when the rolling pin falls into a groove on the collet body, the rolling pin moves upwards due to the inclined groove of the continuous rotation of the extrusion ring, so that the extrusion ring is driven to move together to form spiral upward movement, the collet body is deformed inwards due to the taper action to form locking force, then the rotation position of the locking extrusion ring is loosened, the spiral is loosened downwards when the needle rotates anticlockwise, and the inner hole circular groove is designed, so that the uniform elastic deformation.

Drawings

FIG. 1 is a schematic view of a front view half-section structure of a connecting block with a knife handle provided by the utility model;

FIG. 2 is a schematic structural view of a nut assembly having a connecting block with a tool shank according to the present invention;

fig. 3 is the utility model provides a coupling assembling structure sketch map of connecting block with handle of a knife.

In the figure: the tool comprises a nut component 1, an extrusion buckle 11, an external thread sleeve 12, an internal flat pad 13, a first plane oil seal 14, a sleeve rod flat pad 15, a first concentric snap ring 16, a connecting component 2, a collet 21, a tightening cylinder 22, a second concentric snap ring 23, a tightening cylinder flat pad 24, a second plane oil seal 25, a movable flat pad 26, an extrusion ring 3, a connecting tool shank 4 and a tool bit fixing buckle 41.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, a connecting block with a handle, comprising a nut assembly 1, a connecting assembly 2, an extrusion ring 3 and a connecting handle 4, wherein a tool bit fixing buckle 41 is arranged at the end of the connecting handle 4, one end of the connecting handle 4 close to the tool bit fixing buckle 41 is inserted into the inner wall of the connecting assembly 2, the nut assembly 1 is arranged at the joint of the connecting assembly 2 and the connecting handle 4, the extrusion ring 3 is slidably connected to the outer wall of the joint of the connecting assembly 2 and the nut assembly 1, a slope groove is arranged on the outer wall of one side of the extrusion ring 3, the nut assembly 1 comprises an extrusion buckle 11, an outer sleeve 12, an inner flat gasket 13, a first plane oil seal 14, a sleeve rod flat gasket 15 and a first concentric snap ring 16, the extrusion buckle 11 is clamped on the inner wall of the outer sleeve 12, the inner flat gasket 13, the first plane oil seal 14, the sleeve rod flat gasket 15 and the first concentric snap ring 16 are sequentially sleeved at the joint of the, the connecting assembly 2 comprises a collet 21, a tightening cylinder 22, a second concentric retaining ring 23, a tightening cylinder flat gasket 24, a second plane oil seal 25 and a moving flat gasket 26, wherein sliding grooves are formed in the outer walls of four sides of the collet 21, extrusion buckles are arranged on the inner walls of four sides of an extrusion ring 3, the outer walls of the extrusion buckles are connected to the inner walls of the sliding grooves in a sliding mode, the tightening cylinder 22 is integrally connected to the outer wall of one end, close to the extrusion ring 3, of the collet 21, the second concentric retaining ring 23, the tightening cylinder flat gasket 24, the second plane oil seal 25 and the moving flat gasket 26 are sequentially sleeved on the outer wall of the tightening cylinder 22, the tightening cylinder 22 is of a staggered tightening structure, limiting grooves are annularly distributed in the inner wall of the collet 21 at equal intervals, the inner wall of the extrusion buckle 11 is sleeved on the outer wall of the tightening cylinder 22, and the inner flat gasket 13, the first plane oil seal 14, the loop bar flat gasket 15, the first concentric retaining ring 16, the second concentric retaining ring 23, the tightening cylinder flat gasket 24, the second plane, the inner wall of the tightening barrel 22 is provided with ratchets, and the inner wall of the ratchets is provided with roller pins.

The working principle is as follows: when the connecting block with the tool shank is used, the extrusion ring 3 is lifted and then rotated clockwise, the needle rollers in the extrusion ring 3 and the collet chuck 21 are driven to rotate, when the needle rollers fall into the grooves in the collet chuck 21, the extrusion ring 3 inclines due to the guiding effect, the inclined grooves formed by the continuous rotation of the extrusion ring 3 enable the needle rollers to move upwards so as to drive the extrusion ring 3 to move together, spiral upward movement is formed, the collet chuck 21 enables the tightening cylinder 22 to deform inwards due to the taper effect, locking force is formed, then the rotating position of the extrusion ring 3 is locked, and the spiral is loosened downwards counterclockwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a connecting block with handle of a knife, includes nut component (1), coupling assembling (2), extrusion ring (3) and connects handle of a knife (4), its characterized in that, the tip of connecting handle of a knife (4) is equipped with the fixed knot of tool bit (41), connect handle of a knife (4) and be close to the fixed one end of detaining of tool bit (41) and peg graft on the inner wall of coupling assembling (2), and nut component (1) establishes the junction at coupling assembling (2) and connection handle of a knife (4), extrusion ring (3) sliding connection is on the junction outer wall of coupling assembling (2) and nut component (1), one side outer wall of extrusion ring (3) is equipped with the groove of sloping.

2. The connecting block with the tool shank according to claim 1, wherein the nut assembly (1) comprises an extrusion buckle (11), an outer sleeve (12), an inner flat gasket (13), a first plane oil seal (14), a sleeve rod flat gasket (15) and a first concentric retaining ring (16), the extrusion buckle (11) is connected to the inner wall of the outer sleeve (12) in a clamping mode, and the inner flat gasket (13), the first plane oil seal (14), the sleeve rod flat gasket (15) and the first concentric retaining ring (16) are sequentially connected to the joint of the tool bit fixing buckle (41) and the outer sleeve (12) in a sleeved mode.

3. The connecting block with the tool shank according to claim 1, wherein the connecting assembly (2) comprises a collet (21), a tightening cylinder (22), a second concentric retaining ring (23), a tightening cylinder flat gasket (24), a second plane oil seal (25) and a movable flat gasket (26), sliding grooves are formed in outer walls of four sides of the collet (21), extruding buckles are arranged on inner walls of four sides of the extruding ring (3), outer walls of the extruding buckles are slidably connected to the inner walls of the sliding grooves, the tightening cylinder (22) is integrally connected to the outer wall of one end, close to the extruding ring (3), of the collet (21), and the second concentric retaining ring (23), the tightening cylinder flat gasket (24), the second plane oil seal (25) and the movable flat gasket (26) are sequentially sleeved on the outer wall of the tightening cylinder (22).

4. The connecting block with the tool shank according to claim 3, wherein the tightening cylinders (22) are of a staggered tightening structure, and limiting grooves are annularly distributed on the inner wall of the collet chuck (21) at equal intervals.

5. The connecting block with the tool shank according to claim 4, wherein the inner wall of the extrusion button (11) is sleeved on the outer wall of the tightening barrel (22), and the inner flat gasket (13), the first plane oil seal (14), the sleeve rod flat gasket (15), the first concentric snap ring (16), the second concentric snap ring (23), the tightening barrel flat gasket (24), the second plane oil seal (25) and the moving flat gasket (26) are symmetrically distributed on the outer walls of two sides of the extrusion button (11).

6. A connecting block with a handle according to claim 4, wherein the inner wall of the tightening barrel (22) is provided with ratchet teeth, and the inner wall of the ratchet teeth is provided with rolling needles.