CN109955287B

CN109955287B - Tool combination device

Info

Publication number: CN109955287B
Application number: CN201711418220.6A
Authority: CN
Inventors: 陈守宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-12-25
Filing date: 2017-12-25
Publication date: 2020-09-22
Anticipated expiration: 2037-12-25
Also published as: CN109955287A

Abstract

The invention relates to a tool combination device, which comprises a connecting part, a grab handle and a blade; one end of the connecting part is provided with a notch; and is combined and fixed by inserting the blade into the notch of the connecting part; the connecting part and the grab handle are integrally formed into a hollow interior through blow molding, the temperature of the connecting part and the grab handle is lower than that of the grab handle during blow molding, the connecting part and the grab handle are matched with the cooling material, the cooling material is injected into the hollow interior of the grab handle after the grab handle is blow molded, the grab handle is rapidly cooled through the contact of the cooling material and the surface of the hollow interior, the connecting part and the grab handle are rapidly and stably combined with the blade, the manufacturing working hour is effectively shortened, the material is saved, and the cost; moreover, the cooling material can further form a counterweight effect on the handle, so that a user has weight hand feeling when holding and taking the cooling material and the accuracy of construction is improved.

Description

Tool combination device

Technical Field

The present invention relates to a tool, and more particularly, to a scraper tool assembly.

Background

The applicant of the present invention has previously proposed a "tool assembly" patent application, which is mainly directed to solving the following disadvantages of the prior art scraper structure with a hard plastic handle in manufacturing: 1. the solid plastic knife handle structure directly combined with the handle part (melt-fixed) of the knife body during the injection molding has the defects that the solid knife handle has certain thickness so as to be easy to hold, but the cooling time of the solid knife handle is longer after the solid knife handle is combined with the knife body, so that the processing time of a product is prolonged, and the unit price cost is increased; 2. because the solid knife handle is made of hard plastic, the material consumption is high, and the material consumption and the material cost are increased; 3. when water is used for heat dissipation in order to rapidly cool the mold, the entire cutter is immersed in water, which is likely to cause oxidation, rusting, and other defects.

The invented patent of the former invention of the "tool assembly device" mainly includes a connecting portion, a handle and a blade; a radial notch is formed at one end of the connecting part; and is combined and fixed by the radial incision of the blade inserting connection part; the connecting part and the handle are integrally formed by blow molding, or the connecting part is made by injection molding and the handle is made by blow molding, or the connecting part and the handle are combined in an ultrasonic welding mode and the like; the hollow handle structure can be integrally formed by blow molding to reduce the material consumption and shorten the cooling time and the manufacturing time.

However, the material decrement of the integrally formed hollow grab handle structure is faster than that of the solid plastic structure of the existing solid knife handle; however, because the hollow handle structure is formed, the high temperature inside the hollow handle is not easy to decrease, and it is difficult to significantly increase the cooling speed and effectively shorten the manufacturing time of the product without the assistance of other heat dissipation mechanisms.

Therefore, how to innovate the above-mentioned prior art patent aiming at the defects that the hollow grab handle structure lacks an auxiliary heat dissipation mechanism after being formed, so that the cooling speed cannot be obviously increased, the manufacturing time of the product cannot be effectively shortened, and the like, is the difficult point to be solved by the invention.

Disclosure of Invention

The main technical problem to be solved by the present invention is to overcome the above-mentioned defects of the prior art, and to provide a tool assembly device, wherein the connecting part and the handle are integrally formed by blow molding to have a hollow interior, the temperature of the cooling material is lower than the temperature of the handle and the connecting part during blow molding, and the cooling material is injected into the hollow interior of the handle after the handle is blow molded, so that the handle is rapidly cooled by the contact of the cooling material and the surface of the hollow interior, and the tool assembly device is not only rapidly and stably combined with the blade, but also effectively shortens the manufacturing time and saves materials, and has better economic benefits of reducing cost; the temperature reducing material can form a counterweight effect in the holding handle, so that a user has a weight hand feeling when holding and applying the handle, and the accuracy of the application force control of the user when holding and applying the handle is improved; the cooling material injected into the hollow interior of the handle can further provide structural support for the handle in the hollow interior so as to improve the structural strength of the handle for avoiding deformation, and the improvement of multiple uses is achieved.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a tool combination device comprises a grab handle and a connecting part, wherein the connecting part is provided with a notch, and the grab handle and the connecting part thereof are formed into a hollow interior by blow molding; the temperature reducing material is positioned in the hollow interior of the grab handle, and the temperature of the temperature reducing material is lower than that of the grab handle and the connecting part when the grab handle is blow molded; the blade is provided with a blade part and a tooth part, the tooth part of the blade is inserted into the notch of the connecting part when the connecting part of the grab handle is subjected to blow molding, the connecting part and the tooth part of the blade are clamped and fixed by an auxiliary fixture to be firmly combined, the grab handle is quickly cooled by virtue of the contact of a cooling material and the surface in the hollow part, then the auxiliary fixture is removed, the connecting part of the grab handle is quickly and firmly combined on the tooth part of the blade, and the cooling material forms a counterweight effect with weight hand feeling when being held and taken in the hollow part of the grab handle, so that the accuracy of force application control of a user when the user holds the grab handle for construction and use is improved.

In a second embodiment of the tool assembly of the present invention, a handle is blow molded and has a hollow interior; the temperature reducing material is positioned in the hollow interior of the grab handle, and the temperature of the temperature reducing material is lower than that of the grab handle and the connecting part when the grab handle is blow molded; a connecting part formed by injection molding, wherein the connecting part is provided with a notch; and a blade having a blade portion and a tooth portion; wherein, the inside of connecting portion has at least one barb piece, the one end of grab handle has a convex part, convex part lateral wall ring is equipped with a barb ring, the convex part inserts the inside of connecting portion, and it is fixed with barb ring mutual clip with each barb piece, the incision of the tooth portion insertion connecting portion of this blade, borrow the material of cooling and the inside surface contact of cavity to make the grab handle cool off fast, and the incision of the connecting portion of this grab handle combines in the tooth portion of blade rapidly and firmly, the material of cooling forms in the cavity of grab handle and grips the counter weight effect that has weight and feels when taking, be used for improving the user and hold the degree of accuracy on the application of force control when the handle construction is used.

In a third embodiment of the tool assembly of the present invention, comprising: a handle is formed by blow molding to have a hollow interior and a containing part positioned at one end of the handle, and the containing part is internally provided with a barb part; the temperature reducing material is positioned in the hollow interior of the grab handle, and the temperature of the temperature reducing material is lower than that of the grab handle and the connecting part when the grab handle is blow molded; a connecting part formed by injection molding, wherein the connecting part is provided with a notch at one end and a barb block at the opposite end; and a blade having a blade portion and a tooth portion; thus, when the connecting part is placed in the accommodating part of the grab handle, the barb blocks can be clamped on the barb part of the grab handle and mutually fastened and fixed; the tooth part of the blade is inserted into the notch of the connecting part, the grab handle is rapidly cooled by the contact of the cooling material and the surface of the hollow interior, and the tooth part is rapidly occluded and fixed with the inner wall surface of the notch.

The invention has the advantages that the connecting part and the grab handle are integrally formed into a hollow interior through blow molding, the temperature of the cooling material is lower than that of the grab handle and the connecting part during blow molding, the cooling material is injected into the hollow interior of the grab handle after the grab handle is blow molded, and the grab handle is rapidly cooled by the contact of the cooling material and the surface of the hollow interior, so that the grab handle is rapidly and stably combined with the blade, the manufacturing working hour is effectively shortened, the material is saved, and the better economic benefit of reducing the cost is achieved; the temperature reducing material can form a counterweight effect in the holding handle, so that a user has a weight hand feeling when holding and applying the handle, and the accuracy of the application force control of the user when holding and applying the handle is improved; the cooling material injected into the hollow interior of the handle can further provide structural support for the handle in the hollow interior so as to improve the structural strength of the handle for avoiding deformation, and the improvement of multiple uses is achieved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is an external view schematically showing a first embodiment of the present invention.

Fig. 2 is a partially enlarged cross-sectional view of the first embodiment of the present invention.

FIG. 3 is a schematic cross-sectional view of the steel ball used as a cooling material according to the present invention.

FIG. 4 is a schematic cross-sectional view of the present invention using sand as a cooling material.

Fig. 5 is an exploded view of a second embodiment of the present invention.

Fig. 6 is a schematic cross-sectional view of a second embodiment of the invention.

Fig. 7 is an exploded view of a third embodiment of the present invention.

Fig. 8 is a schematic cross-sectional view of a third embodiment of the invention.

The reference numbers in the figures illustrate:

100-102 tool assembly device

1 connecting part

13 incision

14 barb block

15 concave ring groove

16 inner convex ring

2 handle

21 convex part

22 barb ring

23 convex buckle

24 snap groove

25 locus of containment

26 barb part

27 hollow interior

3 blade

31 knife part

32 tooth part

4 temperature reducing material

Detailed Description

Referring to fig. 1 to 4, the tool assembly 100 of the present invention includes a handle 2 having a connecting portion 1, a blade 3 and a cooling member 4, wherein the handle 2 is blow molded and has a hollow interior 27;

a cooling material 4 is positioned in the hollow inner part 27 of the handle 2, and the cooling material 4 has a temperature lower than that of the handle 2 and the connecting part 1 during blow molding; the cooling material 4 may be water or oil as shown in fig. 2, steel balls as shown in fig. 3, or sand as shown in fig. 4. The connecting portion 1 is formed with a notch 13 during blow molding of the handle 2.

Please refer to fig. 1 to 4, which show related drawings of a first embodiment of the present invention; in the first embodiment of the tool assembly 100 of the present invention, the connecting portion 1 and the grip 2 are integrally formed by blow molding.

The blade 3 has a knife part 31 and a tooth part 32, one end of the knife part 31 is connected with the tooth part 32, the tooth part 32 is inserted into the notch 13 of the connecting part 1, and the tooth part 32 is inclined outwards towards the knife part 31, so that the tooth part 32 is engaged with an inner wall surface of the notch 13 and fixed; the blade 3 is inserted into the notch 13 of the connecting portion 1 of the handle 2 during blow molding of the handle 2, and then an auxiliary fixture (not shown, which is a common fixture and is not described in detail) is used to clamp the connecting portion 1 and the tooth portion 32 of the blade 3 to firmly combine them, and the auxiliary fixture is removed after the handle 2 is rapidly cooled by the contact between the cooling material 4 and the surface of the hollow interior 27, so that the connecting portion 1 of the handle 2 can be quickly and firmly combined with the tooth portion 32 of the blade 3.

By means of the structure, the assembly is simple, and the connecting part 1 and the grab handle 2 are integrally molded by blow molding during production, so that the manufacture is convenient, a large amount of plastic materials can be saved, and the cost is reduced; moreover, the cooling material 4 is used to rapidly cool the handle 2, thereby significantly increasing the cooling speed and effectively shortening the manufacturing time of the product.

Moreover, no matter the cooling material 4 is water, oil, steel balls or sand, the weight-balancing effect can be formed on the handle 2 after the tool assembly device 100 is assembled, so as to further achieve the weight hand feeling when the user holds and applies the force, thereby improving the accuracy of the force application control when the user holds the handle 2 for construction and application.

Please refer to fig. 5 to fig. 6, which are related illustrations of a second embodiment of the present invention; in the second embodiment of the tool assembly 101 of the present invention, the connecting portion 1 is formed by injection molding, and the handle 2 is formed by blow molding to have a hollow interior 27, which are different members.

A cooling material 4 is located in the hollow interior 27 of the handle 2, and the cooling material 4 has a temperature lower than that of the handle 2 and the connecting portion 1 during blow molding.

Furthermore, the inside of the connecting portion 1 has at least one barb block 14 (two are illustrated in the embodiment, but not limited thereto), one end of the handle 2 has a protrusion 21, the outer side wall of the protrusion 21 is looped with a barb ring 22, the protrusion 21 is inserted into the inside of the connecting portion 1, and the barb blocks 14 and the barb ring 22 are mutually fastened and fixed.

Meanwhile, the blade 3 has a blade portion 31 and a tooth portion 32, one end of the blade portion 31 is connected to the tooth portion 32, the tooth portion 32 is inserted into the notch 13 of the connecting portion 1, and the tooth portion 32 is inclined outward toward the blade portion 31, so that the tooth portion 32 is engaged with an inner wall surface of the notch 13 and fixed.

With the above structure, since the connecting portion 1 is made by injection molding and the handle 2 is made by blow molding, the manufacturing is convenient, the material is saved to reduce the cost, and the temperature reducing material 4 is contacted with the surface of the hollow interior 27 to rapidly cool the handle 2, so that the notch 13 of the connecting portion 1 of the handle 2 is rapidly and stably combined with the tooth portion 32 of the blade 3; the cooling material 4 forms a weight effect in the hollow interior 27 of the handle 2 to provide a weight feeling when the user is holding the handle, so as to improve the accuracy of force application control when the user is holding the handle 2.

The effect of simple assembly is achieved; furthermore, the situation that the connecting part 1 is separated from the handle 2 due to excessive force application when the blade 3 is used can be avoided, i.e. the connecting strength between the connecting part 1 and the handle 2 can be strengthened.

Please refer to fig. 7 to fig. 8, which are related illustrations of a third embodiment of the present invention; in the third embodiment of the tool assembly 102 of the present invention, the connecting portion 1 is also formed by injection molding, and the handle 2 is formed by blow molding to have a hollow interior 27, which are different members.

A cooling material 4 is positioned in the hollow inner part 27 of the handle 2, and the cooling material 4 has a temperature lower than that of the handle 2 and the connecting part 1 during blow molding; .

Furthermore, the connecting portion 1 has a notch 13 and a barb block 14 (the two barb blocks 14 are illustrated in the embodiment, but not limited thereto) at the opposite end;

the handle 2 has a hollow interior 27 and a receiving portion 25 at one end of the handle 2, and the receiving portion 25 has a barb portion 26 therein, so that when the connecting portion 1 is placed in the receiving portion 25 of the handle 2, the barb block 14 is fastened on the barb portion 26 of the handle 2 and mutually fastened.

Meanwhile, the blade 3 has a knife part 31 and a tooth part 32, one end of the knife part 31 is connected with the tooth part 32, the tooth part 32 is inserted into the notch 13 of the connecting part 1, and the tooth part 32 inclines towards the knife part 31 and outwards, and the temperature reducing material 4 is contacted with the surface of the hollow inner part 27 to rapidly cool the grab handle 2, so that the inner wall surface of the notch 13 of the connecting part 1 is rapidly meshed with the tooth part 32 to be tightly matched and fixed; the cooling material 4 forms a weight effect in the hollow interior 27 of the handle 2 to provide a weight feeling when the user is holding the handle, so as to improve the accuracy of force application control when the user is holding the handle 2.

As mentioned above, in the present invention, since the connecting portion 1 is made by injection molding, and the handle 2 is made by blow molding to have the hollow interior 27, the temperature of the cooling material 4 is lower than the temperature of the handle 2 and the connecting portion 1 during blow molding, and the cooling material is injected into the hollow interior 27 of the handle 2 after the handle 2 is blow molded, the difficulties and disadvantages of the prior art scraper structure in manufacturing technology development can be overcome, and the following advantages can be achieved:

1. by means of the above structure, the temperature reducing material 4 contacts with the surface of the hollow interior 27 to rapidly cool the handle 2, so as to rapidly and stably combine with the blade 3, effectively shorten the manufacturing time and save materials, thereby achieving better economic benefit of reducing cost.

2. Furthermore, the cooling material 4 can form a weight-balancing effect inside the handle 2, so that the user has a weight feeling when holding and applying, thereby improving the accuracy of force application control when the user holds the handle 2 for construction and use.

3. The cooling material 4 injected into the hollow interior 27 of the handle 2 can provide support for the hollow interior 27 of the handle 2, thereby improving the structural strength of the handle 2 to prevent deformation.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent variations and modifications made to the above embodiment according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A tool assembly, comprising:

a handle, which is provided with a connecting part, wherein the connecting part is provided with a notch, and the handle and the connecting part are formed by blow molding and are provided with a hollow interior;

the temperature reducing material is positioned in the hollow interior of the grab handle, and the temperature of the temperature reducing material is lower than that of the grab handle and the connecting part when the grab handle is blow molded;

the blade is provided with a blade part and a tooth part, the tooth part of the blade is inserted into the notch of the connecting part when the connecting part of the grab handle is subjected to blow molding, the connecting part and the tooth part of the blade are clamped and fixed by an auxiliary fixture to be firmly combined, the grab handle is quickly cooled by virtue of the contact of a cooling material and the surface in the hollow part, then the auxiliary fixture is removed, the connecting part of the grab handle is quickly and firmly combined on the tooth part of the blade, and the cooling material forms a counterweight effect with weight hand feeling when being held and applied in the hollow part of the grab handle, so that the accuracy of force application control of a user when the user holds the grab handle for construction and use is improved.

2. The tool assembly of claim 1, wherein the cooling material is any one of water, oil, steel balls, and sand.

3. A tool assembly, comprising:

a handle formed by blow molding and having a hollow interior;

a connecting part formed by injection molding, wherein the connecting part is provided with a notch;

and a blade having a blade portion and a tooth portion;

wherein, the inside of connecting portion has at least one barb piece, the one end of grab handle has a convex part, convex part lateral wall ring is equipped with a barb ring, the convex part inserts the inside of connecting portion, and it is fixed with barb ring mutual clip with each barb piece, the incision of the tooth portion insertion connecting portion of this blade, borrow the material of cooling and the inside surface contact of cavity to make the grab handle cool off fast, and the incision of the connecting portion of this grab handle combines in the tooth portion of blade rapidly and firmly, the material of cooling forms in the cavity of grab handle and grips the counter weight effect that has weight and feels when taking, be used for improving the user and hold the degree of accuracy on the application of force control when the handle construction is used.

4. The tool assembly of claim 3, wherein the cooling material is any one of water, oil, steel balls, and sand.

5. A tool assembly, comprising:

a handle which is formed by blow molding and is provided with a hollow interior and a containing part positioned at one end of the handle, and the containing part is internally provided with a barb part;

a connecting part formed by injection molding, wherein the connecting part is provided with a notch at one end and a barb block at the opposite end; and

a blade having a blade portion and a tooth portion;

thus, when the connecting part is placed in the accommodating part of the grab handle, the barb blocks can be clamped on the barb part of the grab handle and mutually fastened and fixed; the tooth part of the blade is inserted into the notch of the connecting part, the grab handle is rapidly cooled by the contact of the cooling material and the surface of the hollow interior, and the tooth part is rapidly occluded and fixed with the inner wall surface of the notch.

6. The tool assembly of claim 5, wherein the cooling material is any one of water, oil, steel balls, and sand.