CN205148256U - Prevent cutter that handle of a knife drops - Google Patents
Prevent cutter that handle of a knife drops Download PDFInfo
- Publication number
- CN205148256U CN205148256U CN201521007403.5U CN201521007403U CN205148256U CN 205148256 U CN205148256 U CN 205148256U CN 201521007403 U CN201521007403 U CN 201521007403U CN 205148256 U CN205148256 U CN 205148256U
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- CN
- China
- Prior art keywords
- handle
- knife
- cutter
- hole
- connecting portion
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Abstract
The utility model belongs to the technical field of the cutter and specifically relates to a prevent cutter that handle of a knife drops, it includes cutter body, connecting portion, handle of a knife, is provided with the spliced pole in the center department that connecting portion are close to handle of a knife one side, is provided with the screw at the tip center of spliced pole, handle of a knife center being close to connecting portion one end is provided with a slot hole that is used for holding the spliced pole, the degree of depth of a slot hole is more than or equal to the length of spliced pole, is provided with the slot hole no. Two in the center department of the other end of handle of a knife, is connected through a connecting hole between no. Two slot holes and the slot hole, be provided with the bolt in the connecting hole, the double -screw bolt of bolt passes the screw cooperation on connecting hole and the spliced pole, be provided with the end cover on the handle of a knife of no. Two slot hole one end. This prevent cutter that handle of a knife drops utilizes connecting portion and fixed connection handle of a knife between of bolt on realizing the cutter body in that the handle of a knife is inside, and inside the bolt is in the handle of a knife, and the phenomenon that can not take place to become flexible has improved the performance of cutter.
Description
Technical field
The utility model relates to cutter field, the cutter that especially a kind of anti-handle of a knife comes off.
Background technology
The handle of a knife of existing most of cutter is connected by connector with between cutter hub, and interference fit between connector and handle of a knife, in use between handle of a knife and cutter hub, the change of Impact direction can cause the gap of the cooperation place between connector and handle of a knife constantly to expand, and finally causes loose or dislocation between handle of a knife and cutter hub.
Utility model content
The purpose of this utility model is deficiency in order to solve above-mentioned technology and provides a kind of structure simple, the cutter that the anti-handle of a knife be connected firmly comes off.
In order to achieve the above object, the cutter that anti-handle of a knife designed by the utility model comes off, it comprises cutter hub, connecting portion, handle of a knife, described connecting portion is the transition member between cutter hub and handle of a knife, and cutter hub and connecting portion are structure as a whole, at connecting portion, the center of handle of a knife side is provided with joint pin, the center, end of joint pin is provided with screw; Handle of a knife center near connecting portion one end is provided with an elongated hole for holding joint pin, the degree of depth of a described elongated hole is more than or equal to the length of joint pin, No. two elongated holes are provided with in the center of the other end of handle of a knife, No. two elongated holes are connected by a connecting hole with between an elongated hole, the cross sectional dimensions of connecting hole is less than the cross sectional dimensions of an elongated hole, and the cross sectional dimensions of connecting hole is less than the size of the cross section of No. two elongated holes; In connecting hole, be provided with bolt, the stud of bolt coordinates with the screw on joint pin through connecting hole; The handle of a knife of No. two elongated hole one end is provided with end cap.
Technique scheme, utilize an elongated hole and connecting hole between No. two elongated holes setting, can be connected the bolt through connecting hole with joint pin, thus the connecting portion realized on cutter hub and being fixedly connected with between handle of a knife, and be connected firmly, assemble without the need to adopting interference fit.After utilizing bolt fixing, the situation that in use can not loosen between cutter hub and handle of a knife, improves its serviceability simultaneously.
As optimization, owing to coordinating compactness in order to improve between cutter hub with handle of a knife, the cross sectional dimensions of an elongated hole and joint pin is consistent substantially, and joint pin conveniently on connecting portion in quick insertion elongated hole, can be provided with rounding or chamfering in the end outer rim of described joint pin in an assembling process.
Described end cap central is provided with projection, coordinate fixing between described projection with No. two elongated holes, and be interference fit between projection and No. two elongated holes, this structure can be guaranteed to coordinate between end cap with handle of a knife closely, be connected firmly, due in use mutual active force can not be produced between end cap and handle of a knife, therefore the situation that can not come off.
The cross section of described joint pin and an elongated hole is polygonized structure.This structure can effectively prevent from rotating between handle of a knife and joint pin, improves serviceability.
The cutter that the anti-handle of a knife that the utility model obtains comes off, realize connecting portion on cutter hub and being fixedly connected with between handle of a knife, and bolt is in handle of a knife inside, the phenomenon that can not loosen, and improves the serviceability of cutter at handle of a knife inner utilization bolt.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A-A cross-sectional view of the present utility model.
Detailed description of the invention
Below by embodiment, the utility model will be further described by reference to the accompanying drawings.
Embodiment 1:
As shown in Figure 1 and Figure 2, the cutter that the anti-handle of a knife that the present embodiment describes comes off, it comprises cutter hub 1, connecting portion 2, handle of a knife 3, described connecting portion 2 is the transition member between cutter hub 1 and handle of a knife 3, and cutter hub 1 and connecting portion 2 are structure as a whole, at connecting portion 2, the center of handle of a knife 3 side is provided with joint pin 5, the center, end of joint pin 5 is provided with screw; Handle of a knife 3 center near connecting portion 2 one end is provided with an elongated hole 6 for holding joint pin 5, the degree of depth of a described elongated hole 6 is more than or equal to the length of joint pin 5, No. two elongated holes 7 are provided with in the center of the other end of handle of a knife 3, No. two elongated holes 7 are connected by a connecting hole with between an elongated hole 6, the cross sectional dimensions of connecting hole is less than the cross sectional dimensions of an elongated hole 6, and the cross sectional dimensions of connecting hole is less than the size of the cross section of No. two elongated holes 7; In connecting hole, be provided with bolt 8, the stud of bolt 8 coordinates with the screw on joint pin 5 through connecting hole; The handle of a knife 3 of No. two elongated hole 7 one end is provided with end cap 4.
Owing to coordinating compactness in order to improve between cutter hub 1 with handle of a knife 3, an elongated hole 6 is consistent substantially with the cross sectional dimensions of joint pin 5, and joint pin 5 conveniently on connecting portion 2 in quick insertion elongated hole 6, can be provided with rounding in the end outer rim of described joint pin 5 in an assembling process; Described end cap 4 center is provided with protruding 9, coordinates fixing between described projection 9 with No. two elongated holes 7, and is interference fit between protruding 9 and No. two elongated holes 7.
Described joint pin 5 and the cross section of an elongated hole 6 are polygonized structure.
Claims (4)
1. the cutter that comes off of an anti-handle of a knife, it is characterized in that: it comprises cutter hub, connecting portion, handle of a knife, described connecting portion is the transition member between cutter hub and handle of a knife, and cutter hub and connecting portion are structure as a whole, at connecting portion, the center of handle of a knife side is provided with joint pin, the center, end of joint pin is provided with screw; Handle of a knife center near connecting portion one end is provided with an elongated hole for holding joint pin, the degree of depth of a described elongated hole is more than or equal to the length of joint pin, No. two elongated holes are provided with in the center of the other end of handle of a knife, No. two elongated holes are connected by a connecting hole with between an elongated hole, the cross sectional dimensions of connecting hole is less than the cross sectional dimensions of an elongated hole, and the cross sectional dimensions of connecting hole is less than the size of the cross section of No. two elongated holes; In connecting hole, be provided with bolt, the stud of bolt coordinates with the screw on joint pin through connecting hole; The handle of a knife of No. two elongated hole one end is provided with end cap.
2. the cutter that comes off of a kind of anti-handle of a knife according to claim 1, is characterized in that: the end outer rim of described joint pin is provided with rounding or chamfering.
3. the cutter that comes off of a kind of anti-handle of a knife according to claim 2, is characterized in that: described end cap central is provided with projection, coordinates fixing between described projection with No. two elongated holes.
4. the cutter that comes off of a kind of anti-handle of a knife according to claim 1, is characterized in that: the cross section of described joint pin and an elongated hole is polygonized structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521007403.5U CN205148256U (en) | 2015-12-08 | 2015-12-08 | Prevent cutter that handle of a knife drops |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521007403.5U CN205148256U (en) | 2015-12-08 | 2015-12-08 | Prevent cutter that handle of a knife drops |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205148256U true CN205148256U (en) | 2016-04-13 |
Family
ID=55683995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521007403.5U Active CN205148256U (en) | 2015-12-08 | 2015-12-08 | Prevent cutter that handle of a knife drops |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205148256U (en) |
-
2015
- 2015-12-08 CN CN201521007403.5U patent/CN205148256U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |