CN1009568B - Knot joint for network structure - Google Patents
Knot joint for network structureInfo
- Publication number
- CN1009568B CN1009568B CN 85105987 CN85105987A CN1009568B CN 1009568 B CN1009568 B CN 1009568B CN 85105987 CN85105987 CN 85105987 CN 85105987 A CN85105987 A CN 85105987A CN 1009568 B CN1009568 B CN 1009568B
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- CN
- China
- Prior art keywords
- mentioned
- plug
- unit
- folder
- spheroid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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Abstract
The present invention relates to a network structure technology, particularly to a spherical connection point used for connecting and converging to a great number of rods on the connection point. The spherical connection point (1) of the present invention comprises a central sphere (2) and a first connecting member and a second connecting member, wherein the first connecting member and the second connecting member are arranged in a straight line with the rods (3), are respectively connected with the sphere (2) and the rods (3), and simultaneously are mutually connected with each other by a fastening member. The first connecting member and the second connecting member are provided with clamping members (8) and plug-in members (9), wherein the shape of each plug-in member is matched with the shape of each clamping member (8) and the plug-in members can be glidingly inserted into the clamping members in the extension direction of the rods (3).
Description
The invention relates to the used spherical contact of net structure, particularly about the spherical contact of the used bull of space network.
As everybody knows, three-dimensional net structure is meant according to the space structures of the standard of rational physical dimension design, is made up of some intensity differences, the different standard knots member of structure.Cancellated any rod member all is to be rotating shaft with spherical contact, and the straight-bar spare of some is focused at this spherical contact place, they is linked together so that build an element of construction of rigidity as far as possible by spherical contact.
The spherical contact that a variety of patterns are arranged at present.Such as, the spherical contact that has has a ball heart, and what have has a dome shaped contact, and what have has a polygon annulus, and each rod member fits together, and grip block or jaw are fixed on the centre of sphere with steel pipe, rod member be soldered on the bottom surface of connector, or the like.In all these spherical contacts, most widely used is to be a kind of of trade mark with " Mero ", and it has used the relevant technologies that suits most with the present invention especially.
The top this contact of saying comprises a solid spheroid, processes the plane that some are 45 ° and 90 ° on spherome surface.Threaded hole of processing on the center on these planes, the rod member of the band screw thread of different size just may be screwed in these holes.In theory, screw thread is twisted to connect and can only be prevented rod member slippage from the hole, and rod member must depended on pressure and above-mentioned spheroid be bonded together.For several rod members are all converged on the spheroid, the end of above-mentioned rod member must have very big tapering, end to attenuate, and like this, the mating face of rod member and spheroid is relative having reduced just.
The effect that this spherical contact can obtain in plane net structure and space network.But, this contact also has some critical defects.
On the practical work, in this in the above contact, contact is not a kind of affined fixedlying connected with rod member, and is rigidly connected with affined the most as much as possible in the connection near the contact place in this net structure, like this, rod member just can be gently some or longer.In addition, this contact is also somewhat expensive because on spherome surface and the end of rod member all some machining amounts must be arranged.Simultaneously, the rod member that is connected on each spheroid all must be same type, and this has also increased expense.As a result, the stress that rod member bore on the spheroid is less just has to surpass required size if install to.In addition, when realizing this somewhat expensive special contact, various technical scheme is arranged, therefore need plan well, designed by concrete pattern.
The top last point of saying is very important, because this has just limited designer's dynamic role widely, the designer just is obliged to go to consider the peculiar characteristics of these contacts.But, except standardized way, other different with it ways are seemingly impossible, because practical work is that the interval of rod member is very little, pressure between rod member and spheroid mating face in other words is too little, and people know that threaded connector is should not bear shear stress.
According to the above, a catalogue of the present invention a kind of used spherical contact of net structure that can eliminate above-mentioned shortcoming will be provided exactly.
In this general purpose the inside, a free-revving engine of the present invention provides a kind of contact, and it can guarantee that each rod member of net structure can have the very connection of rigidity.
Another object of the present invention provides a kind of contact, and its expense is lower, and can determine the size of every bit according to the actual stress that bears.
Another object of the present invention provides a kind of spherical contact, and it can adapt to architect's various specific requirements and any special processing of needs.
Can be achieved by spherical contact of the present invention from top other purposes that say and that the back will be illustrated, contact of the present invention can be used for net structure, there are a lot of rod members to converge on this contact, contact has a center spheroid, be connected with above-mentioned rod member with second connector by first connector: above-mentioned first connector and second connector can interlink, it is characterized in that above-mentioned first and second connectors are folder and plug-in unit, the shape of plug-in unit and the shape of above-mentioned folder are complementary, plug-in unit can go from laterally being inserted into the folder of rod member direction of extension, cooperatively interacts.
According to an embodiment who is recommended, be illustrated below, thereby it is more obvious that characteristics of the present invention and advantage are able to reference to accompanying drawing.
Shown in Figure 1 is phantom drawing by spherical contact core of the present invention;
Fig. 2 is the plan view that the spherical contact of the present invention is connected with more cancellated rod members;
Shown in Figure 3 is a partial elevation view and schematic partial sectional view, and how rod member is connected with spherical contact of the present invention at its two ends as can be seen;
Fig. 4 to Fig. 6 represents elevation, side view and the plan view of the plug-in unit part of the spherical contact of the present invention respectively;
Fig. 7 and Fig. 8 represent respectively to be suitable for and Fig. 4-6 shown in the elevation and the plan view of the folder that cooperates of plug-in unit;
Fig. 9 and Figure 10 represent the equator section and the area section of the spherical contact of the present invention center spheroid respectively;
Shown in Figure 11 is how the folder among Fig. 7 and Fig. 8 to be installed to the center spheroid shown in Fig. 9 and Figure 10 to get on;
Figure 12 and Figure 13 represent a folder and a plug-in unit respectively, and they are different with the similar just shape of plug-in unit with the folder among Fig. 7 and Fig. 4.
The situation that folder among the Figure 12 of being shown in Figure 14 and Figure 13 and plug-in unit are combined together;
Shown in Figure 15 is the contact profile of forming according to the folder and the plug-in unit of another embodiment of the present invention;
Shown in Figure 16 is the contact profile that each composite member according to another embodiment of the present invention cooperates.
In the superincumbent accompanying drawing, be designated by numeral 1 by the spherical contact of the present invention design, brief summary is exactly a center spheroid 2, by first connector and second connector spheroid and rod member 3 is coupled together net structure of formation.
Above-mentioned first connector between spheroid 2 and rod member 3 and second connector can be folder 8 and plug-in unit 9.Folder 8 preferably links to each other with spheroid 2, and plug-in unit 9 preferably links to each other with rod member 3.Welding method is all used in above-mentioned connection.For folder 8, correct positioning is by pivot pin 7(Figure 11), concerning plug-in unit 9 the bellmouth (Fig. 3) of rod part 3 ends then.
To shown in Figure 6, the shape of above-mentioned plug-in unit 9 just in time can match with folder 8 as Fig. 4, preferably has a big round end 11 can prevent that like this plug-in unit slippage from coming out on the plug-in unit.But, folder 8 and plug-in unit 9 can be made another shape, such as the sort of shape that can make among Figure 12 and Figure 13.In this embodiment, convexconcave part is all arranged on the contact surface of plug-in unit and folder, therefore can replace that big round end to prevent that plug-in unit 9 slippage from folder from going out.
A groove 12 is arranged on the plug-in unit 9, and banking pin 10 just is stuck in this groove, on plug-in unit and folder 8 through hole 13 and 14 is arranged respectively, can be with a bolt 15(Fig. 3 and Figure 14) insert; After bolt was tightened, folder 8 just can not have been opened.Above-mentioned through hole 13 and 14 and bolt 15 as locking device, the size of above-mentioned through hole can differ from one another, and shear action can not be produced.
According to another one embodiment (Figure 15), on a spheroid 17, formed a contact 16, spheroid is a hollow ball preferably.Around above-mentioned spheroid 17, some plug-in units are arranged, represent with 18, each plug-in unit all is the prismatic body of a T shape, and the bar 19 of this prismatic body is perpendicular to the external surface of above-mentioned spheroid 17, and the cross-peen 20 of prismatic body is installed in the space that has suitable shape in the folder 22.
Say more in detail again, folder 22 is made up of two parts 23 and 24, these two halves of folder can be fitted together and at axial restraint with rod member, be the shape 25 of a truncated cone after the folder assembling, its 26 spaces of being said above having extended to form 21 of going to the bottom downwards.Can hold the cross-peen 20 of plug-in unit 18 in the above-mentioned space 21, bar 19 is then stretched from perforate 27.The formed perforate 27 in folder assembling back is made of suitable shaped boss 27a and 27b, can see too clearly from figure, and these two boss are to extend out from the two halves 23 and 24 symmetries of above-mentioned folder respectively.
Weld at the guide rib 28 along folder 22, when being soldered to folder on the rod member, these two halves of folder also just have been connected to together.
Laterally have two through holes 29 and 30 in above-mentioned space 21, be used for penetrating a fastening bolt 31.After with a nut 32 above-mentioned bolt being tightened, just plug-in unit 18 has been fixed on the folder 22 firmly, meanwhile, the two halves 23 of folder and 24 also just is being fixed together near 26 places that go to the bottom.Because cross-peen 20 is contained in the space of folder 22, as mentioned above, a through hole 33 must be arranged also on the cross-peen, so that allow above-mentioned bolt 31 pass.
Plug-in unit 18 is preferably made an integral body with spheroid 17, and is to manufacture with the method for casting.Such as it can being cast two halves, the surface of several plug-in units perpendicular to spheroid arranged at each on half, then two halves are welded.Not so also the bar 19 of each plug-in unit 18 can be soldered on the above-mentioned spheroid 17, these bars are surperficial perpendicular with spheroid all.
In this embodiment, without any need for linkage because the connection here only means the location of each parts, this is because folder 22 and plug-in unit 18 all have special shape, can assemble mutually to link together.
The spherical contact of another embodiment within the scope of the present invention is shown in 34 among Figure 16.Briefly, above-mentioned contact comprises a hollow spheroid 35, and some threaded holes 36 are arranged in the outside of spheroid.The little bar 37 of cylindrical bar 38 terminations is screwed onto in these holes, and the other end of cylindrical bar has annular lip 39.
Have a cylinder type hollow body as plug-in unit 40, this hollow body is made up of two parts of different-diameter.The part 41 that diameter is bigger has the boss 42 of a circle, falls in slightly a bit with respect to above-mentioned part 41, and an end 43 of this boss and each rod member 44 is fixed together.The part 41 that the diameter of above-mentioned plug-in unit 40 is bigger has identical diameter with rod member 44, thereby forms a continuous single piece with rod member.Other end at above-mentioned plug-in unit 40 is diameter another part 45 less than part 41, in the outside of this part screw thread 46 is arranged.The threaded engagement of this screw thread 46 and annular nut 48, the annular nut has the section of two different in kinds.The diameter small parts 45 of plug-in unit 40 is twisted by in first section of nut, and the shape of this section can make screw thread 47 be meshed with the screw thread 46 of above-mentioned plug-in unit.The shape that nut is second section is suitable for mating flanges 39 and prevents that it from running out.The boss 49 that an annular is arranged on the annular nut 48 for this purpose.
Also can take such way, external screw thread be arranged, can directly be screwed in the corresponding collar nut 48 in the end of rod member 44.In this case, just no longer need plug-in unit 40, also it need not be soldered on the rod member 44.
The step of assembling is: after putting collar nut 48, the bar 37 of cylindrical bar 38 is screwed in each screw hole 36 on the spheroid 35; By screw thread 46 and 47 collar nut 48 is screwed on the plug-in unit 40 then, adopts such way, spherical contact can assemble under a very compact mode.
Like this, the present invention has just reached the purpose of being envisioned.
On the practical work, resulting connection is very strong and reliable.In addition, the structure of spherical contact can be not different because of the variation of rod member number that leads to contact and position with the method for manufacturing contact.Therefore, it also can be the same also just not needing special machining, the price of all contacts.
At last, should see, after adopting spherical contact of the present invention, just might according at every turn the stress that must bear arrange that folder 8 makes it have correct number and suitable size.Therefore, bear less stress with regard to there is no need with excessive rod member, and can alleviate the weight of structure so significantly, also can save expense greatly simultaneously.
In fact, this spherical contact is a bull, can adapt to most of different situations, and need not make any great change in structure, thereby can reduce expense.
In addition, spherical contact is cast two halves, have above that requisite number purpose plug-in unit 18 always can accomplish, again this two hemispheres is soldered to together subsequently, so just can reduce expense, save the working time.
Can also obtain a benefit from above, that plug-in unit 18 also can be cast at every turn, so the size of the plug-in unit numerical value that can adhere to specification, and this further improves the pressure between rod member and the spheroid again, can alleviate the weight of structure simultaneously.
At last,,, change if desired and when changing, it also inserts than being easier to than other scheme considerably cheapers according to the spherical contact of second embodiment because needed processing capacity is minimum.
Clearly, different improvement be can also carry out, but the mentioned above principle of the present invention and the content of defined in the claims do not left for the concrete structure of spherical contact of the present invention.
Claims (11)
1, a kind of cancellated spherical contact that is used to connect some rod members that are focused at contact comprises that can be passed through the center spheroid that first and second connectors link to each other with above-mentioned rod member, above-mentioned first and second connectors are folder and plug-in unit, the shape of plug-in unit and the shape of above-mentioned folder are complementary, and plug-in unit can insert in the above-mentioned folder in the horizontal slip of above-mentioned rod member direction of extension; One is used for above-mentioned plug-in unit is locked in device in the above-mentioned folder, this device comprises the bolt in the through hole that inserts above-mentioned folder and plug-in unit, folder has different diameters to avoid producing any shear stress with above-mentioned through hole on the plug-in unit, it is characterized in that above-mentioned folder is half hull shape and engages with the big blunt end of plug-in unit, in case this plug-in unit is along center line of the bar slippage from this folder.
2,, it is characterized in that above-mentioned plug-in unit is connected with above-mentioned rod member and above-mentioned folder is connected with above-mentioned spheroid, and be to be connected with pivot pin in the above-mentioned spheroid by inserting above-mentioned folder according to the spherical contact of claim 1.
3,, it is characterized in that having at least on the above-mentioned folder banking pin to be used for limiting the position that above-mentioned plug-in unit slides in folder according to the spherical contact of claim 1.
4,, it is characterized in that above-mentioned spheroid is a hollow ball, is having perforate and the jut that thickens is arranged on the ball near these perforates according to the spherical contact of claim 1.
5, according to the spherical contact of claim 1, it is characterized in that above-mentioned spheroid is to be cast as two halves, arranged the plug-in unit of proper number on each hemisphere, plug-in unit is vertical with spherome surface.
6, according to the spherical contact of claim 1, it is characterized in that above-mentioned plug-in unit comprises the prismatic body of a T shape, the bar of prismatic body and spheroid fuse and perpendicular to the external surface of spheroid, the cross-peen of prismatic body is connected with above-mentioned folder.
7, according to the spherical contact of claim 1, it is characterized in that above-mentioned half hull shape folder can be fitted together and at the axial restraint rod member, the shape that is a truncated cone after the folder assembling, going to the bottom of it extended long enough and formed a space, the cross-peen of above-mentioned plug-in unit is promptly in this space, the bar of plug-in unit is stretched from a perforate, and this perforate is that the boss that the two-part end symmetry by above-mentioned folder extends out is formed.
8, a kind of spherical contact comprises a center spheroid, it can be connected with some rod members with plug-in unit by cylindrical bar, it is characterized in that above-mentioned cylindrical bar is connected with above-mentioned spheroid, cylindrical bar has an annular lip, above-mentioned plug-in unit is connected with above-mentioned rod member, and lean on mutually with above-mentioned cylindrical bar, above-mentioned cylindrical bar and plug-in unit are fixed together firmly by means of an annular nut.
9,, it is characterized in that an end of above-mentioned cylindrical bar has annular lip, and the bar of band screw thread arranged that the bar of this band screw thread is screwed in the perforate on the above-mentioned spherome surface at the other end according to the spherical contact of claim 8.
10, according to the spherical contact of claim 8, it is characterized in that each above-mentioned plug-in unit is a hollow cylinder substantially, form by two parts, first has bigger diameter, has a round boss that falls in slightly on this part, and the end of this boss and each rod member tightly is fitted together, second portion has less diameter, the screw thread part is arranged above, and this screw thread part is screwed in above-mentioned annular nut, and the annular nut links to each other with above-mentioned cylindrical bar.
11, according to the spherical contact of claim 8, it is characterized in that on the end circumference of above-mentioned rod member screw thread being arranged, can be screwed in corresponding annular nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85105987 CN1009568B (en) | 1985-08-08 | 1985-08-08 | Knot joint for network structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85105987 CN1009568B (en) | 1985-08-08 | 1985-08-08 | Knot joint for network structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85105987A CN85105987A (en) | 1987-02-25 |
| CN1009568B true CN1009568B (en) | 1990-09-12 |
Family
ID=4794811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85105987 Expired CN1009568B (en) | 1985-08-08 | 1985-08-08 | Knot joint for network structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1009568B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018579B (en) * | 2014-07-02 | 2017-09-15 | 成都博绿科技有限公司 | A kind of grid structure of connector and its composition |
| ES2630753B2 (en) * | 2017-03-30 | 2018-06-12 | Manuel Fernando BETHENCOURT CRAVID | RETICULAR STRUCTURE |
-
1985
- 1985-08-08 CN CN 85105987 patent/CN1009568B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN85105987A (en) | 1987-02-25 |
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| C10 | Entry into substantive examination | ||
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| C13 | Decision | ||
| GR02 | Examined patent application | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |