CN1247906C

CN1247906C - Dowel and method of using same

Info

Publication number: CN1247906C
Application number: CNB018228070A
Authority: CN
Inventors: 迈克尔·R·米勒
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-09-20
Filing date: 2001-02-21
Publication date: 2006-03-29
Anticipated expiration: 2021-02-21
Also published as: EP1402488A2; AU2001292856B2; JP4922541B2; WO2002025552A3; KR100848431B1; CN1529877A; WO2002025552A2; CN1529877B; MXPA03002515A; CN1492974A; JP2004510233A; CA2423352A1; KR20020054350A; AU9285601A

Abstract

The present invention relates to an improved pin (10) through which two or more adjacent components can be connected together quickly and simply. In an embodiment, the pin (10) is provided with three pin sections (14) which are between a base (20) and a top (18); each pin has a diameter, and is axially adjacent to at least one of the other pin sections, wherein the diameter is reduced gradually from the base to the top (18) in the entire lengthwise direction of the pin. Two or four embodiments can be selected, or more pin sections can be selected.

Description

Pin and using method thereof

Technical field

The present invention relates to pin, more specifically relate to the pin that diameter reduces gradually on its whole length direction, so that provide better connection for adjacent parts.

Background technique

Various pin is known in the present technique field.This kind device is applied to furniture industry usually to connect different parts in the furniture assembly.Pin equally also is applied to other industry, such as, pin can be applied to connect the timber in the landscape design.In work progress, pin is tufted on the furniture assembly of forming furniture group in the hole such as circular port.Second furniture assembly of preparing to be connected with first furniture assembly equally also is provided with a pin perforate.Perforate alignment in second furniture assembly in the perforate and first furniture assembly.Be installed in the perforate that the pin in first assembly was inserted into and compressed into second assembly subsequently.When being pressed into the second assembly mesopore, pin may need to exert pressure to these two assemblies.Because the diameter of pin is dimensionally greater than the diameter of perforate, pin is just fixed by the frictional force that perforate inwall in two assemblies acts on the pin outer wall.

But the pin in the prior art field has its own defective.One of existing pin defective just is, when inserting pin in the adjacent component perforate, for the frictional force that overcomes on the contact surface that is applied between pin outer surface and the perforate internal surface just must apply a high pressure on the direction opposite with the pin insertion.As a result, when pin inserted in the perforate, bad distortion may take place in the perforate internal surface.This distortion may weaken the connection of pin to assembly.Further, if pin has born high pressure, pin may be impaired even be broken.Safety problem also is a problem of need paying close attention to, and becomes two halves or more for a long time, the user may be subjected to the injury of material fragment if the stress on the pin breaks pin.

Summary of the invention

The present invention overcomes these and other intrinsic defect of existing pin.The multistage that pin provided by the present invention has diameter to reduce gradually on the whole axial length direction of pin.The diameter that each section of pin reduces gradually can make frictional force and produce in the perforate of pin plug-in package the time thereupon act on minimise stress on the pin.Equally, the pin possibility of breaking reduces, and the user is safe in utilization to be improved.Further, cooperate when pin can provide an assembly stable, locking, the distortion that assembly is born when inserting pin in the perforate separately reduces a lot.Because the minimizing deformation of assembly, assembly can use longlyer, and its appearance can not be damaged yet.

The present invention's pin requires the assembly perforate can hold pin.There are not the sort of instrument or equipment can produce the perforate of these special shapes in the prior art.Like this, present technique just needs the drill bit that can produce these perforates.The invention provides one and have multistage and at its whole longitudinal shaft drill bit that diameter reduces gradually on length direction.This drill bit can be used for producing the suitable shape of the pin that holds the present invention and the assembly perforate of size.

It is a principal object of the present invention to provide one to have multistage and at its whole longitudinal shaft enhancing pin that diameter reduces gradually on length direction.Described pin has base portion and top, be used to connect two or more assemblies, comprise: at least three pin sections, wherein each pin section is placed the pin section that is directly adjacent to each adjacency, have sidewall, each pin section has such diameter: wherein said diameter reduces on the length of the pin from the base portion to the top gradually; And ladder, it is positioned at each pin section and is directly settled on the position adjacent to other pin section.

Another one target of the present invention provides the brand-new pin that is easy to be inserted in the assembly perforate.

Target in addition of the present invention provides the brand-new pin that makes the assembly that is inserted into produce minimal deformation.

The brand-new pin that also has a target to provide to make the assembly that inserted by pin to align of the present invention.

Of the present inventionly advance a target and provide a brand-new pin safe in utilization.

Of the present inventionly advance a target and provide simplicity of design, make long-lived brand-new pin on cheap, the structure.

Of the present inventionly advance a target and provide one and can on one or more assembly that pin need fit into, produce the brand-new drill bit of perforate.

Another one target of the present invention provides one and has multistage and at its whole longitudinal shaft brand-new drill bit that diameter reduces gradually on length direction.

Of the present inventionly advance a target and provide simplicity of design, make long-lived brand-new drill bit on cheap, the structure.

Other targets and advantage can clearly be found out from follow-up explanation of the present invention and accompanying drawing.

These and other target of the present invention realizes by a kind of pin.In a kind of form of the present invention, provide and to be used to connect two or the pin of multicompartment more.In one embodiment, three pin sections are arranged between pin base portion and top.Diameter is all arranged each pin section and axially with other pin section is adjacent at least, wherein diameter reduces gradually from base portion to top on the whole length direction of pin.Optional embodiment can have two, four or multi-pin nail section more.

The invention also discloses a kind of method that a plurality of assemblies are linked together, it comprises step: the pin with three pin sections is provided and has the diameter that reduces gradually along the length of pin; A plurality of assemblies with the perforate that can hold pin are provided; Aligned apertures; And pin is inserted in the perforate that is aligned.

Further, the invention discloses a kind of method that two or more heterogeneous adjacent assembly are linked together, it comprises step: the pin with first, second and three cylindrical is provided, described second body diameter is littler than described first body diameter, and bigger than the diameter of described three cylindrical, described first, second also directly settled adjacent to each adjacent cylinder around identical axle according to the order that size reduces with three cylindrical.A plurality of assemblies with the perforate that can hold pin are provided; Use the pin aligned apertures; Pin is inserted in the perforate of alignment.

Description of drawings

What Fig. 1 showed is pin side view in the embodiment of the invention;

What Fig. 2 showed is the end elevation that pin further comprises an insert among Fig. 1;

Fig. 3 shows is that pin inserts two perforates and with attempting that two assemblies link together among Fig. 1;

What Fig. 4 a showed is the side view of the optional embodiment of pin among Fig. 1;

What Fig. 4 b showed is the optional embodiment's of another one of pin among Fig. 1 side view;

Fig. 5 shows is the side view that is used for building the drill bit embodiment of Fig. 3 assembly opening;

What Fig. 6 showed is the end elevation of the optional embodiment of drill bit among Fig. 5;

What Fig. 7 showed is the optional embodiment's of another one of drill bit among Fig. 5 side view.

Embodiment

Fig. 1 is the side view according to pin 10 embodiments of the present invention.An embodiment who has shown pin 10 among Fig. 1 comprises the pin section 14, step portion 17, top 18 and the base portion 20 that have sidewall 16.Each pin section 14 all has a rounded basically cross section on the edge perpendicular to pin section 14 longitudinal axis.As shown in fig. 1, in one embodiment, pin section 14 shapes are cylindricality basically.Other embodiment of pin 10 can have one to be square basically or leg-of-mutton cross section on perpendicular to pin section 14 longitudinal axis.

As shown in figs. 1 and 2, three pin sections 14 can extend and axially base portion 20 alignment relatively longitudinally from

base portion

20, and 18 diameters reduce pin section 14 gradually to the top from base portion 20 like this.In specific application, can comprise two, four or more pin section 14 among the optional embodiment of pin 10.In one embodiment, the diameter of each pin section 14 can be respectively changes to 6mm, 120 from 125mm and changes to 4mm, 115 and change to 2.5mm.In optional embodiment, the diameter of each pin section 14 can be virtually any size, and can with required combination the in this pin application-specific.The length of each pin section 14 can be according to using and the size (see figure 3) of the assembly 30 that engages and 34 being changed greatly.In one embodiment, the pin section 14 with minimum diameter can have identical or longer length with any other pin section.

The material of pin 10 can be by such as factor decisions such as the material type of the hop count of the size of pin section 14, pin section 14 and

assembly

30,34 and/or sizes.An embodiment of pin 10 can be by made such as timber such as mahogany, China fir, birch, cypress or pines.In other embodiments, pin 10 can be made the material of pin 10 reasonable operation by plastics, metal or other.Pin 10 also can be formed by two kinds or more kinds of combination of materials.Such as, as shown in Figure 2, pin 10 can be made and comprised metal column or insert 22 by timber, metal column or insert 22 from base portion 20 to the top 18 radially by pin 10 longitudinal extensions.

As shown in fig. 1, step portion 17 pin 10 longitudinal shafts 90 degree formation relatively.But according to application, step portion 17 can be used various shape.In the optional embodiment of pin 10, shown in Fig. 4 a, step portion 17 in shape can bevel or projection.Bevel step portion 17 can make pin 10 intensity increase, and prevents that it from breaking so that pin 10 bears high pulling force or shearing in certain application-specific.Equally, make employed material type according to pin 10, bevel step portion 17 can be in use with conjugative component 30 with more firm cooperating was provided in 34 o'clock.In other embodiments, step portion 17 can be as shape among Fig. 4 b recessed or depression.In also having other embodiment, step portion 17 can be any other shape circular or when can proper operation pin 10 in certain application-specific.

Pin 10 can use different fabrication tools and technology to make with diverse ways.Such as, pin 10 can use machining tool lathe well-known in the art to make.Further, each independent pin section 14 can be made separately, and independent then pin section 14 is combined into pin 10.Such as, in one embodiment, pin section 14 can use the material of any cohesiveencess type to be installed together, and perhaps pin section 14 can use the connected member such as nail, metal column or other type to be bonded together so that pin 10 proper operation.

Shown in Figure 6 as Fig. 5, drill bit 42 can be used for making

opening

32,36 respectively at assembly 30,34.Drill bit 42 may comprise many brill joints 44, and each all has sidewall 46, madial wall 47, interior section 48, tooth 50, axle 52, baffle plate 53, base portion 54 and top 56.Each bore joint 44 the cross section can along vertical with bore on the joint 44 longitudinal shaft directions substantially ringwise.Fig. 5 has also shown an embodiment of drill bit 42, and three are bored joint 44 and can extend and axially baffle plate 53 alignment relatively longitudinally from baffle plate 53, bore like this save 44 from base portion 54 56 diameters reduce gradually to the top.According to the type and the size requirement of perforate 32,36, can comprise two, four or the more joint 44 that bores among the optional embodiment of drill bit 42.In one embodiment, the diameter range of each pin section 14 can be respectively changes to 6.5mm, 121 from 126mm and changes to 4.5mm, 116 and change to 2.5mm.In other embodiments, each diameter that bores joint 44 can be virtually any size, and can engage according to required specific perforate 32,36.Each bores the length of joint 44 can be according to using and the size (see figure 3) of

engaged assembly

30 and 34 being changed greatly.

The material of drill bit 42 may be by factor decisions such as material type that saves 44 size, the joint number of boring joint 44 and

assembly

30,34 such as brill and/or sizes.An embodiment of drill bit 42 can be by made such as metals such as Hardened Steel, stainless steel or titaniums.In other embodiments, drill bit 42 can be by making for drill bit 42 provides any other material of proper operation.Drill bit 42 also can be formed by two kinds or more kinds of combination of materials.Such as, two that bore in the joint 44 can be by the Hardened Steel manufacturing, and a brill joint 42 can be by the titanium manufacturing.

Tooth 50 as shown in Figure 5 is positioned at each and bores on the joint 44.In one embodiment, each tooth 50 can be close to other tooth 50, and 50 of each tooth 50 and each adjacent teeth are just very close to each other like this.In another embodiment, each tooth 50 and its adjacent teeth 50 are at a distance of the distance of a tooth 50, and in another embodiment, each tooth 50 can be divided into the required any distance of proper operation drill bit mutually with its adjacent teeth 50.Tooth 50 spacings, shape, size and material are selected to be subjected to influence such as the rotational speed that the material of

assembly

30 and 34 is selected, the length of group 42, the number that bores joint 44 and (perhaps) are bored.

Drill bit 42 can use different fabrication tools and technology to make with diverse ways.Further, each bores joint 44 and can make separately, and each bores joint 44 and can be bonded together to form combined drill 42.Such as in one embodiment, bore joint 44 and can spot weld on the baffle plate 53.As shown in Figure 7, in another embodiment, bore joint 44 and can be fixed on the internal side wall 47 of each adjacent brill joint 44.Equally, as shown in Figure 5, be roughly hollow in one embodiment the brill joint 44, each adjacent minor diameter bores joint 44 and can cooperate at inwall with the bigger brill joint of adjacent diameter 44 like this.But, may require at least one or a plurality of brill joint 44 that the interior section 48 of entity is arranged in the specific application.

Perforate 32 and 36 can use drill bit 42 to make.In use, axle 52 can insert such as in the hand-held power drive drill tools.As shown in Figure 3, first assembly 30 may align with second assembly 34.Then, bore rapid roller bit 42, the user aligns drill bit 42 with first assembly 30.With assembly 30 what at first contact may be the tooth 50 of drill bit 42.Tooth 50 rotates and cuts in the assembly 30.The user continues boring the application of force, and this further is pressed into roller bit 42 in the assembly 30 conversely.This process continues to pass and to leave first assembly 30 and enter in second assembly 34 up to tooth 50 cuttings.Drill bit 42 continues across second assembly 34 then and leaves assembly 34 up to tooth 50.Drill bit is recessed first and

second assemblies

30,34 then, and opening 32,36 forms.

As shown in Figure 3, in use, power may act on the pin base portion 20, causes pin 10 to be pressed in the perforate 32 of first assembly 30.Perforate 30 may be to have joint 33 looping pit, and its bore dia on the length direction of perforate 30 diminishes gradually.The internal diameter of the joint 33 of perforate is slightly less than the external diameter of pin section 14, and when pin was arranged in perforate 32 fully, the joint 33 in pin joint 14 and the corresponding perforate was adjacent.Will connect also and can be provided with pin 10 usefulness perforates 36 with first assembly, the 30 second adjacent assemblies 34.In case pin 10 inserts first perforate 32, extend outward and can align with the first assembly perforate 32 just over perforate 32, the second assembly perforates 36 in top 18.Pin top 18 and joint zone, hole 38 engage and make assembly perforate 32,36 be very easy to alignment.Because the surface area in zone 38 minimizes, top 18 can be easy to the location and align with perforate 36.Insert in the perforate 36 of second assembly 34 then at pin top 18.When squeezing into the second assembly perforate 36, pin 10 will on

assembly

30,34, exert pressure so that they are fixed together.When pin 10 inserted in the second assembly perforate 36, pin 10 provided suitable alignment for first assembly 30 and second assembly 34.As shown in Figure 3, when pin 10 was arranged in perforate 32,36 fully, the top 18 of pin 10 was basic concordant with the outer surface of

assembly

30,34 with base portion 20, and first assembly 30 and second assembly 32 will suitably be cooperated.Because the diameter of pin 10 is dimensionally greater than the diameter of corresponding aperture section 33,36, the frictional force that the madial wall of pin 10 by

corresponding opening

32,36 acts on pin outer side wall 16 tightly is fixed in the perforate 32,36.Further, when pin 10 inserted in the perforate 32,36, step 17 tightly was fixed on first assembly 30 on adjacent second assembly 34.In one embodiment, the effect of each step 17 and the head of nail are similar, and each step 17 prevents that

assembly

30,34 from slipping away pin 10 and be separated from each other.Step 17 other benefits are tackiness agents that pin 10 no longer need be such as wood glue.Usually, in the pin of prior art, pin need apply tackiness agent at the whole length direction that is inserted into assembly perforate forward position pin.But use the present invention's pin 10 applies tackiness agent if the user is chosen as pin, has only pin 10 parts of inserting second assembly 34 to need tackiness agent.In case for pin 10 parts of inserting second assembly 34 apply tackiness agent, pin 10 is located in

assembly

30,34 fully, the step 17 of pin 10 prevents that assembly 30 breaks away from and separates with second assembly 34 from pin 10.Tackiness agent prevents that second assembly 34 breaks away from and separates with first assembly 30 from pin 10.

Perforate 32,36 can be used drill bit 42 formation as shown in Figure 5, and perhaps any other can provide the equipment of proper operation for pin 10.In optional embodiment, perforate 32,36 may comprise two, three, four that diameter reduces gradually or more save 33,37 that this will depend on the feature of pin 10 and section 14 numbers on it.In another embodiment, according to the shape of pin 10, the cross section of perforate 32,36 along perforate 32,36 longitudinal shafts be square substantially, triangle or other any shape that can hold pin 10.

The specific embodiment of making new pin and drill bit new method and equipment among the present invention is illustrated, to explain manufacturing of the present invention and usage mode.It will be understood to those of skill in the art that can change these embodiments, revise, enforcement and others, therefore, to any modification of the present invention, change and be equal to way and under the situation that does not depart from principle of the present invention and essence, all fall in the claim of the present invention institute restricted portion.

Claims

1, a kind of pin has base portion and top, is used to connect two or more assemblies, comprising:

At least three pin sections, wherein each pin section is placed the pin section that is directly adjacent to each adjacency, has sidewall, and each pin section has such diameter: wherein said diameter reduces on the length of the pin from the base portion to the top gradually; And

Ladder, it is positioned on the position of each pin section and an other pin section direct neighbor.

2, pin according to claim 1, the shape of cross section that it is characterized in that each pin are circular substantially.

3, pin according to claim 1, the shape of cross section that it is characterized in that each pin are square substantially.

4, pin according to claim 1 is characterized in that the shape of cross section of each pin is generally triangular.

5, pin according to claim 1 is characterized in that the relative basically pin axle of each ladder is 90 angles.

6, pin according to claim 1 is characterized in that each ladder is shaped as projection basically.

7, pin according to claim 1, it is recessed to it is characterized in that each ladder is shaped as basically.

8, pin according to claim 1 is characterized in that pin made by two kinds of different materials at least.

9, pin according to claim 1 is characterized in that pin is made by wood materials, and pin has the metal insert, and the basic axially locating of this metal insert is also extended by whole pin to the top from base portion.

10, pin according to claim 1 is characterized in that tackiness agent is adjacent the pin section with each pin section and links together.

11, pin according to claim 1 is characterized in that pin made by from one piece.

12, pin according to claim 1 is characterized in that the pin section of diameter minimum is identical with other pin section at least on length.

13, pin according to claim 1 is characterized in that each pin segment length is identical.

14, a kind of method that a plurality of assemblies are linked together, it comprises step:

Pin with three pin sections is provided and has the diameter that reduces gradually along the length of pin;

A plurality of assemblies with the perforate that can hold pin are provided;

Aligned apertures; And

Pin is inserted in the perforate that is aligned.

15, method according to claim 14 further comprises step: pin aligns to a plurality of assemblies when pin inserts in the perforate.

16, one is used to connect two or the single-piece pin of multicompartment more, comprising:

First, second and three cylindrical, described second body diameter is littler than described first body diameter, and bigger than the diameter of described three cylindrical, described first, second reduces order and centers on the identical axle and the cylinder direct neighbor setting of each adjacency according to size with three cylindrical.

17, pin according to claim 16 is characterized in that three cylindrical is identical with other cylinder length at least.

18, pin according to claim 16 is characterized in that pin made by two kinds of different materials at least.

19, pin according to claim 16 is characterized in that pin made by wood materials, and pin has the metal insert, and the basic axially locating of described metal insert is also extended by first, second and three cylindrical.

20, a kind of method that two or more heterogeneous adjacent assembly are linked together, it comprises step:

Pin with first, second and three cylindrical is provided, described second body diameter is littler than described first body diameter, and bigger than the diameter of described three cylindrical, the described order that first, second reduces according to size with three cylindrical and around the identical axle and the cylinder direct neighbor setting of each adjacency;

A plurality of assemblies with the perforate that can hold pin are provided;

Use the pin aligned apertures;

Pin is inserted in the perforate of alignment.