CN2903231Y

CN2903231Y - Corner jointing unit of stair handrail

Info

Publication number: CN2903231Y
Application number: CN 200620013315
Authority: CN
Inventors: 罗建中; 罗建生; 刘银盛
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-03-29
Filing date: 2006-03-29
Publication date: 2007-05-23
Anticipated expiration: 2016-03-29

Abstract

A stair rail corner connecting piece comprises an assembly A and an assembly B, wherein the assembly A consists of a spherical segment (head) A and a connector A fixedly connected to the spherical segment (head) A, the assembly B consists of a spherical segment (head) B which is complementary to the spherical segment (head) A in shape and a connector B fixedly connected to the spherical segment (head) B, the separation angle between the central line of the connector A and the round surface A of the spherical segment (head) A is equal to the separation angle between the central line of the connector B and the round surface B of the spherical segment (head) B which is in a range of 40 degree to 50 degree, and the round surface A of the spherical segment (head) A can has a relative rotation with the round surface B of the spherical segment (head) B. The utility model has the advantages of an arbitrary adjustment to the connecting direction of the rail, a convenient construction and a low product cost.

Description

The balustrade Corner Link

Technical field

The utility model relates to a kind of Corner Link, especially a kind of Corner Link with balustrade.

Background technology

Stair are parts that multi-storey building must be built, and no matter whether building is furnished with elevator, and stair all are people's necessary passages up and down.Overwhelming majority stair all are equipped with balustrade, and it is for attractive in appearance on the one hand that balustrade is installed, and is for safety on the other hand.Balustrade is installed is kept away unavoidably and will turn, must have corner to connect between two of balustrade parts during turning.Traditional corner connects and generally is divided into two big classes, and a class is not for connecting direct disconnection, though this mode saving of work and time, the balustrade less stable easily rocks, and not too attractive in appearance, and few people have used this connected mode at present; Another kind of for two parts are coupled together with Corner Link; This class Corner Link has following several, and the one, directly manufacture at the scene, if wooden handrail is then followed closely the on-the-spot splicing of bonding agent with rifle; Metal handrail field Welding then in this way; The 2nd, connect with steel wire, wooden handrail or metal handrail are installed on bench earlier, use steel wire (pipe) to be connected again with the termination of stair; The 3rd, connect with factory pipe bend is on-the-spot.More than several connected modes separately defective is all arranged, first kind of many large-scale instrument of needs, as cutting machine, inflating pump, electric welding machine etc., it is time-consuming that site preparation gets up, the cost height; Though second kind of connected mode is convenient, appearance is not too attractive in appearance, and institute's balustrade class of doing is not high; The third also needs large-scale instrument, compare just on-the-spot the connection relatively easily with first kind of mode, but factory pipe bend needs many times.

Summary of the invention

The technical problem that the utility model solves is to overcome above-mentioned shortcoming, and a kind of balustrade Corner Link that can adjust the handrail angle arbitrarily is provided.

The technical solution of the utility model is: design a kind of balustrade Corner Link, it comprises assembly A and assembly B, described assembly A comprises segment A and the connector A that is fixed together with the sphere of segment A, and described assembly B comprises and the segment B of segment A shape complementarity and the connector B that is fixed together with the sphere of segment B; Angle between the disc B of the angle of the axis of connector A and the disc A of segment A and connector B and segment B equates, and all at 40 degree to the 50 degree scopes; The disc A of segment A and the disc B of segment B can relatively rotate.

Angle between the disc B of the angle of the disc A of the axis of connector A and segment A and the axis of connector B and segment B is 45 degree.

The axis of connector A passes the centre of sphere of segment A or passes with the centre of sphere is certain face territory of round dot, and the axis of connector B is crossed the centre of sphere of segment B or passed with the centre of sphere is near the face territory of round dot.

The disc mid point of crossing segment A has the alignment pin that protrude from disc or the positioning screw perpendicular with disc A, and the disc B mid point of mistake segment B has with disc B perpendicular, the hole that shape and alignment pin or positioning screw match.

Cross the disc A mid point of segment A and the disc B mid point of segment B, the rotating mechanism that segment A and segment B are arranged, described rotating mechanism is by being with externally threaded swivel nut and screw mandrel to be formed, swivel nut is enclosed within screw mandrel one end, the centre bore wire connection of swivel nut and segment A, the centre bore wire connection of the screw mandrel other end and segment B has dish tooth A on the swivel nut disc, with the corresponding segment disc of dish tooth A dish tooth B is being arranged, dish tooth A and dish tooth B can intermesh.

Between screw mandrel and swivel nut, spring pad is arranged.

Cross the disc mid point of segment A and the disc B mid point of segment B, the rotating mechanism that segment A and segment B are arranged, described rotating mechanism comprises bearing and bearing connection, the mesopore tight fit of bearing and segment A or segment B, the mesopore tight fit of bearing connection and segment B or segment A, the centre bore tight fit of the other end of bearing connection and bearing.

On the spherical zone of the disc side of segment A or B, the boss of a diameter less than the disc diameter arranged, on the outer wall of boss, external screw thread is arranged; Disc side at segment B or A has a concave station, and its size conforms to the size of boss, on the wall internal thread is arranged within it, and internal and external threads can be screwed in together.

Described segment A equates with the height of segment B or is unequal.

The utility model also can be designed to another kind of balustrade Corner Link, it comprises assembly A ' and assembly B ', described assembly A ' comprises spherical crown A and the connector A ' that is fixed together with the sphere of spherical crown A, and described assembly B ' comprises and the spherical crown B of spherical crown A shape complementarity and the connector B ' that is fixed together with the sphere of spherical crown B; Angle between circle place, the end face of the angle of circle place, the end face of the axis of connector A ' and spherical crown A and the axis of connector B ' and spherical crown B equates, and all spends to the 50 degree scopes 40; Spherical crown A and spherical crown B can relatively rotate.

The mid point of crossing the official hats and canopies A of spherical crown A has perpendicular with it, protrudes from the positioning screw of end disc, and the mid point of crossing the official hats and canopies B of spherical crown B has perpendicular with it, size and the corresponding to screw of positioning screw.

The boss of one diameter less than the disc diameter arranged on the spherical zone of the end of spherical crown A or B disc side, on the outer wall of boss, external screw thread is arranged; The disc side has a concave station at the end of spherical crown B or A, and its size conforms to the size of boss, on the wall internal thread is arranged within it, and internal and external threads can be screwed in together.

The equal diameters of the official hats and canopies A of spherical crown A and end circle place face has the hole A perpendicular with it at the mid point of official hats and canopies A; The equal diameters of the official hats and canopies B of spherical crown B and end circle place face has and hole B that size with hole A equate perpendicular with it at the mid point of official hats and canopies B.

The utility model has been owing to adopted assembly A to comprise segment A and the connector A that is fixed together with the sphere of segment A, and assembly B comprises and the segment B of segment A shape complementarity and the connector B that is fixed together with the sphere of segment B; Angle between the disc B of the angle of the axis of connector A and the disc A of segment A and the axis of connector B and segment B equates, and all at 40 degree to the 50 degree scopes; The disc A of segment A and the disc B of segment B can relatively rotate with assembly A and comprise spherical crown A and the connector A that is fixed together with the sphere of spherical crown A, and assembly B comprises and the spherical crown B of spherical crown A shape complementarity and the connector B that is fixed together with the sphere of spherical crown B; Angle between circle place, the end face of the angle of circle place, the end face of the axis of connector A and spherical crown A and the axis of connector B and spherical crown B equates, and all spends to the 50 degree scopes 40; Spherical crown A and the relatively turnable structure of spherical crown B, prefabricated staircase handrail connector so not only can be adjusted the direction of handrail, also very convenient workman's site operation arbitrarily.

Description of drawings

Fig. 1: the perspective view of the scarce embodiment that dribbles for the utility model is a kind of;

Fig. 2: the perspective view of the embodiment of the hat of dribbling for the utility model is another kind of;

Fig. 3: the connector structural representation that connects two segments for the utility model through alignment pin;

Fig. 4: be the cross-sectional schematic of a kind of segment A;

Fig. 5: be the decomposing schematic representation of the scarce embodiment of another dribbling of the utility model;

Fig. 6: for embodiment illustrated in fig. 5 along center line symmetry cross-sectional schematic;

Fig. 7: the cross-sectional schematic of the embodiment that holds for a kind of tape spool of the utility model;

Fig. 8: the cross-sectional schematic of the embodiment that holds for a kind of tape spool of the utility model;

Fig. 9: for the utility model angle is 40 degree plane structure schematic diagrames;

Figure 10: be the generalized section of the spherical crown A among Fig. 9;

Figure 11: for the utility model angle is 45 degree plane structure schematic diagrames;

Figure 12: for the utility model angle is 50 degree plane structure schematic diagrames;

Figure 13: be the cross-sectional schematic of another kind of spherical cap structure;

Figure 14: be the cross-sectional schematic of another spherical cap structure;

Figure 15: the high unequal plane structure schematic diagram that is two spherical crowns;

Figure 16: the connector structural representation that connects two spherical crowns for the utility model through rivet;

Figure 17: the schematic diagram of the relative rotary course of two assemblies when using for the utility model.

The specific embodiment

See also Fig. 1, it is a kind of balustrade Corner Link, it comprises assembly A1 and assembly B2, described assembly A1 comprises segment A11 and the connector A12 that is fixed together with the sphere of segment A11, and described assembly B21 comprises and the segment B12 of segment A11 shape complementarity and the connector B22 that is fixed together with the sphere of segment B12; Angle β between the disc B23 of the angle α of the axis 16 of connector A12 and the disc A13 of segment A11 and the axis 26 of connector B22 and segment B21 equates, is 45 degree; The central point of crossing segment A11 disc 13 has the positioning screw that protrude from disc A13 14 perpendicular with disc A13, and the disc B23 central point of mistake segment B21 has with disc B23 perpendicular, size and positioning screw 14 corresponding to screws 24.Segment A11 can relatively rotate with segment B21 by screw rod 14 and screw 24, be used for adjusting position relation between the two, can 90 adjusting angle between the two between degree and 180 degree, be useful on the

screw rod

15 and 25 that is connected with the handrail other parts respectively at the tail end of connector A11 and connector B22.The axis 16 of connector A passes the centre of sphere of segment A11, and the axis 26 of connector B21 is crossed the centre of sphere of segment B; Certainly, it is certain face territory of round dot that the axis 16 of connector A also can pass with the centre of sphere, and it is near the face territory of round dot that the axis 26 of connector B21 also can pass with the centre of sphere, and through test, it is in the 4mm that the radius in above-mentioned territory is preferably R.

See also Fig. 3, it is a kind of Corner Link made from wood materials, compares with shown in Figure 1 being connected, and its general structure is identical, and different is that its screw rod that connects segment A and segment B has replaced with alignment pin 50.

See also Fig. 4, it is the cross-sectional schematic of another kind of segment A, from figure as can be seen, for the economical with materials cost, can be designed to a hole 17 to segment A11 along its disc, can save material like this; Certainly segment B21 also can be correspondingly processed.Obviously, can equate also can be unequal for above-mentioned segment A11 and the height of segment B21; When equal two identical hemisphere.

See also Fig. 5, Fig. 5 is the decomposing schematic representation of the scarce embodiment of another dribbling of the utility model, Fig. 5 compares with embodiment illustrated in fig. 1, and its basic structure is identical, and the rotating mechanism that positioning screw 14 usefulness swivel nuts 101 that different is among Fig. 1 and screw mandrel 102 are formed replaces.Cross the disc mid point of segment A11 and the disc B mid point of segment B21, the rotating mechanism that segment A11 and segment B21 are arranged, described rotating mechanism is by being with externally threaded swivel nut 101 and screw mandrel 102 to be formed, swivel nut 101 is enclosed within screw mandrel 102 1 ends, the centre bore wire connection of swivel nut 101 and segment A11, the centre bore wire connection of screw mandrel 102 other ends and segment B21 has dish tooth A103 on swivel nut 101 discs, at segment B21 disc dish tooth B104 is arranged, dish tooth A103 and dish tooth B104 lotus root mutually close.Between screw mandrel 102 and swivel nut 101, spring pad 105 is arranged.

During installation, at first, screw mandrel 102 is packed in the swivel nut 101, rotary screw 102 is fixed in swivel nut 101 centre bore of segment B21, then, with the centre bore of the 101 precession segment A11 of the swivel nut on the segment B21, after acquiring a certain degree in the swivel nut 101 precession segment A11, dish tooth B104 on the segment B21 and the dish tooth A103 on the swivel nut 101 just can not be meshing with each other, and this moment, two segments just can rotate mutually arbitrarily.So just can at random regulate the contraposition angle when connecting balustrade, it is convenient to construct.The purpose of spring pad 105 is set, and is the gap between adjustment disk tooth A103 and the dish tooth B104 better.

See also Fig. 6, Fig. 6 is embodiment illustrated in fig. 5 along center line symmetry cross-sectional schematic, can find out annexation between each parts better from figure.

See also Fig. 7, the cross-sectional schematic of the embodiment that Fig. 7 holds for a kind of tape spool of the utility model; It is compared with embodiment illustrated in fig. 1, and its structure is identical substantially, the positioning screw 14 usefulness bearings 104 and the bearing connection 105 that are both among Fig. 1 not replace.When manufacturing, in the mesopore of the segment A11 that respectively bearing 104 tight fits packed into, then bearing connection 105 and the mesopore tight fit of segment B21 are joined, the other end of bearing connection 105 is connected with the centre bore tight fit of bearing 104 gets final product at last.

See also Fig. 8, the cross-sectional schematic of the embodiment that Fig. 8 holds for a kind of tape spool of the utility model; Embodiment illustrated in fig. 8 and embodiment illustrated in fig. 7 comparing, its structure is basic identical, different only be that connector A11 is different with the shape of connector B21, the connector that explanation links to each other with segment not only can be with segment and removably connects, but also can be various difformities, as ellipse or rectangle etc., the shape of connector is decided according to the shape of handrail joint.

See also Fig. 2, it also is a kind of balustrade Corner Link, it comprises assembly A ' 3 and assembly B ' 4, described assembly A ' 3 comprises spherical crown A31 and the connector A ' 32 that is fixed together with the sphere of spherical crown A31, and described assembly B ' 4 comprises and the spherical crown B41 of spherical crown A31 shape complementarity and the connector B ' 42 that is fixed together with the sphere of spherical crown B41; The axis 36 of connector A ' 32 justifies the angle α ' of 37 place faces with the end of spherical crown A31 and the axis 46 of connector B ' 42 equates with the angle β ' that justify between the 47 place faces at the end of spherical crown B41, and is 45 degree; The central point of crossing the official hats and canopies B of spherical crown B has perpendicular with it, protrude from the positioning screw 44 of end disc, the central point of crossing the official hats and canopies A of spherical crown A has perpendicular with it, size and positioning screw 44 corresponding to screws 34, one nut 45 is arranged on screw rod 44, the cavity 35 that holds nut 45 is arranged before screw 34, be useful on the

screw rod

36 and 46 that joins with handrail respectively at the other end of connector A ' 32 and connector B ' 42.

See also Fig. 9 and Figure 10, Fig. 9 compares with Corner Link shown in Figure 2, its structure is identical substantially, the axis 36 of different is connector A ' 32 equates with the angle β ' that justify between the 47 place faces at the end of spherical crown B41 with the angle α ' of the end circle 37 place faces of spherical crown A31 and the axis 46 of connector B ' 42, and is 40 and spends.

Referring to Figure 10, Figure 10 is the generalized section of the spherical crown A among Fig. 9, and from figure as can be known, the internal construction of spherical crown A is because spherical crown B is identical with the structure of spherical crown B, so just omitted.

Referring to Figure 11 and Figure 12, the axis 36 of the connector A ' 32 of Corner Link shown in Figure 11 justifies the angle α ' of 37 place faces with the end of spherical crown A31 and the axis 46 of connector B ' 42 equates with the angle β ' that justify between the 47 place faces at the end of spherical crown B41, and is 45 degree; And the axis 36 of the connector A ' 32 of Corner Link shown in Figure 12 justifies the angle α ' of 37 place faces with the end of spherical crown A31 and the axis 46 of connector B ' 42 equates with the angle β ' that justify between the 47 place faces at the end of spherical crown B41, and is 50 degree.

The axis 36 of above-mentioned connector A ' 32 justifies the angle α ' of 37 place faces with the end of spherical crown A31 and the axis 46 of connector B ' 42 equates with the angle β ' that justify between the 47 place faces at the end of spherical crown B41, and be various angle (40,45 and 50 degree), obvious this scheme also can be used for the join design of various Corner Links of two segments.

See also Figure 13, Figure 13 is the cross-sectional schematic of another kind of spherical cap structure; The diameter of its official hats and canopies 37 is justified 391 diameter less than 31 ends of spherical crown, and on the bottom surface 392 nut 39 for the screw rod connection is arranged within it.

See also Figure 14, Figure 14 is the cross-sectional schematic of another spherical cap structure; Compare with connector shown in Figure 13, its structure is identical substantially, and different is having increased official hats and canopies 37 thickness, screw 393 is set and replaces nut 392 among Figure 13 in the central authorities of official hats and canopies 37.

See also Figure 15, Figure 15 is the high unequal plane structure schematic diagram of two spherical crowns; From figure as can be seen, two spherical crowns of connector high unequal, and the boss 48 of a diameter less than the disc diameter arranged on the spherical zone of the end of spherical crown B41 disc side, on the outer wall of boss 48, external screw thread is arranged; In the end of spherical crown A disc side one concave station 38 is arranged, its size conforms to the size of boss 48, on the wall internal thread is arranged within it, and internal and external threads can be screwed in together, forms the complete connector of a tool.Obviously, on this Corner Link that also can be used for segment with the internal and external threads ways of connecting.

Figure 16 connects the connector structural representation of two spherical crowns through rivet for the utility model, the structure of this connector structure and connector shown in Figure 11 is basic identical, different is the official hats and canopies A60 of spherical crown A31 and the equal diameters of circle place, end face have the hole A63 perpendicular with it at the central point of official hats and canopies A60; The equal diameters of the official hats and canopies B61 of spherical crown B41 and end circle place face, have at the central point of official hats and canopies B61 perpendicular with it, the hole B64 that size equates with hole A63, official hats and canopies A and official hats and canopies B couple together by rivet 60.

The schematic diagram of the relative rotary course of two assemblies when Figure 17 uses for the utility model, from figure as can be known, the utility model two assembly A, B can spend to 180 degree from 90 and rotate, and dotted portion is depicted as the position signal of assembly B in rotary course among the figure.

Claims

1, a kind of balustrade Corner Link, it is characterized in that: it comprises assembly A and assembly B, described assembly A comprises segment A and the connector A that is connected together with the sphere of segment A, and described assembly B comprises and the segment B of segment A shape complementarity and the connector B that is connected together with the sphere of segment B; Angle between the disc B of the angle of the axis of connector A and the disc A of segment A and connector B and segment B equates, and all at 40 degree to the 50 degree scopes; The disc A of segment A and the disc B of segment B can relatively rotate.

2, balustrade Corner Link according to claim 1 is characterized in that: the angle between the disc B of the angle of the disc A of the axis of connector A and segment A and the axis of connector B and segment B is 45 degree.

3, balustrade Corner Link according to claim 1, it is characterized in that: the axis of connector A passes the centre of sphere of segment A or passes with the centre of sphere is certain face territory of round dot, and the axis of connector B is crossed the centre of sphere of segment B or passed with the centre of sphere is near the face territory of round dot.

4, according to the described balustrade Corner Link of any one claim in the claim 1,2 or 3, it is characterized in that: the disc mid point of crossing segment A has the alignment pin that protrude from disc or the positioning screw perpendicular with disc A, the disc B mid point of crossing segment B has with disc B perpendicular, the hole that shape and alignment pin or positioning screw match.

5, according to the described balustrade Corner Link of any one claim in the claim 1,2 or 3, it is characterized in that: cross the disc mid point of segment A and the disc B mid point of segment B, the rotating mechanism that segment A and segment B are arranged, described rotating mechanism is by being with externally threaded swivel nut and screw mandrel to be formed, swivel nut is enclosed within screw mandrel one end, the centre bore wire connection of swivel nut and segment A, the centre bore wire connection of the screw mandrel other end and segment B, dish tooth A is arranged on the swivel nut disc, with the corresponding segment disc of dish tooth A dish tooth B is being arranged, dish tooth A and dish tooth B can intermesh.

6, balustrade Corner Link according to claim 5 is characterized in that: between screw mandrel and swivel nut spring pad is arranged.

7, according to the described balustrade Corner Link of any one claim in the claim 1,2 or 3, it is characterized in that: cross the disc mid point of segment A and the disc mid point of segment B, the rotating mechanism that segment A and segment B are arranged, described rotating mechanism comprises bearing and bearing connection, the mesopore tight fit of bearing and segment A or segment B, the mesopore tight fit of bearing connection and segment B or segment A, the centre bore tight fit of the other end of bearing connection and bearing.

8, a kind of balustrade Corner Link, it is characterized in that: it comprises assembly A ' and assembly B ', described assembly A ' comprises spherical crown A and the connector A ' that is fixed together with the sphere of spherical crown A, and described assembly B ' comprises and the spherical crown B of spherical crown A shape complementarity and the connector B ' that is fixed together with the sphere of spherical crown B; Angle between circle place, the end face of the angle of circle place, the end face of the axis of connector A ' and spherical crown A and the axis of connector B ' and spherical crown B equates, and all spends to the 50 degree scopes 40; Spherical crown A and spherical crown B can relatively rotate.

9, balustrade Corner Link according to claim 8, it is characterized in that: the mid point of crossing the official hats and canopies A of spherical crown A has perpendicular with it, protrude from the positioning screw of end disc, the mid point of the official hats and canopies B of mistake spherical crown B has perpendicular with it, size and the corresponding to screw of positioning screw.

10, balustrade Corner Link according to claim 8 is characterized in that: the equal diameters of the official hats and canopies A of spherical crown A and end circle place face has the hole A perpendicular with it at the mid point of official hats and canopies A; The equal diameters of the official hats and canopies B of spherical crown B and end circle place face has and hole B that size with hole A equate perpendicular with it at the mid point of official hats and canopies B.