CN202772526U

CN202772526U - Bus strut member

Info

Publication number: CN202772526U
Application number: CN 201220342711
Authority: CN
Inventors: 张志军
Original assignee: YANKAI ELECTRICAL CO Ltd
Current assignee: YANKAI ELECTRICAL CO Ltd
Priority date: 2012-07-16
Filing date: 2012-07-16
Publication date: 2013-03-06
Anticipated expiration: 2022-07-16

Abstract

The utility model discloses a bus strut member, which comprises an upper bus clamp and a lower bus clamp, wherein a plurality of through holes suitable for inserting a bolt are formed on the lower surface of the upper bus clamp and the upper surface of the lower bus clamp; two slots matched with a bus are formed between the two adjacent through holes; a plurality of limiting components, which are matched with limiting holes arranged in a power distribution device to fix the lower bus clamp, are arranged on the lower surface of the lower bus clamp; the bus inserted into the slots are fixed by the bolt; and the bolt comprises a bolt head, a bolt bar, and a reinforcing part between the bolt head and the bolt bar. By connection with the bolt inserted into the upper bus clamp and the lower bus clamp by barrels, two ends of the bus are fixed vertically and are simultaneously connected with the power distribution device by the limiting holes, thus realizing good engagement of interfaces and firm connection, and bus looseness is avoided even if large current flows through the bus.

Description

Bus-bar supporting piece

Technical field

The utility model relates to a kind of low-voltage distribution equipment, is specifically related to a kind of bus-bar supporting piece.

Background technology

In low-voltage distribution system, low-voltage distribution apparatus needs by using bus-bar system to distribute electric power to some electric equipments, make the controller switching equipment running current of not only will flowing through on the cross section of bus, the huge electric impacting power that produces in the time of also system short-circuit will being born.Along with the fast development of low-voltage distribution industry, its requirement at aspect of performances such as practicality, safety is also improving, and this just requires that reliable insulating properties will be arranged between the bus bar, and bus-bar supporting piece connection bus row will have good steadiness.

Existing patent documentation CN201663408U discloses a kind of busbar supporting device of low-voltage distribution cabinet, comprise and mutually to fasten rear fixing Up Highway UHW folder, Down Highway folder and fixed head, the end face correspondence of the bottom surface of Up Highway UHW plate and Down Highway folder offers the tank that at least one pair of can hold bus, fixed head is located on the Up Highway UHW folder, and fixes with low-voltage distribution cabinet.Fixed head and Up Highway UHW folder when practical application, are fixed in low-voltage distribution cashier's office in a shop with fixed head, so that the bus location is more stable.Therefore, fixed head is set to the L-type structure, offer on the fixed head some for the fixing fixing hole of low-voltage distribution cabinet, and the boss of the corresponding Up Highway UHW folder in middle part, bottom surface forms breach, so that spacing with the Up Highway UHW folder, perforation is offered respectively at the two ends, ground, and the pillar of upper and lower bus clip is corresponding another group perforation respectively, by bolt, pad and nut the three is fixed together.Need to adopt a plurality of bolts fixedly Up Highway UHW folder and Down Highway folder and fixed head etc. in the such scheme, and the bolt head of existing plain bolt generally all is the shapes such as turret head, square spigot, countersunk head, these bolts are used very extensive, use also very convenient, and in use, have the excessive situation of electric current of flowing through on the bus, for the loosening bolt that needs that prevents bus possesses certain strength, existing general bolt can't reach this effect.

Summary of the invention

Technical problem to be solved in the utility model is that bolt strength is inadequate in the bus-bar supporting piece of the prior art, and long-term use may cause bus loosening, and then the bus-bar supporting piece that fixes of the bolt that provides a kind of employing to have rib.

For solving the problems of the technologies described above, the utility model provides a kind of bus-bar supporting piece, comprise Up Highway UHW folder and Down Highway folder, the upper surface of the lower surface of described Up Highway UHW folder and described Down Highway folder forms some through holes that bolt inserts that are suitable for, and forms two slots that mate with bus between adjacent two described through holes.

Described bolt passes described through hole and is fixedly connected with described Up Highway UHW folder and described Down Highway folder; It comprises bolt head and have externally threaded shank of bolt, and is arranged on the rib between described bolt head and the described shank of bolt, and the cross-sectional area of described rib is greater than the cross-sectional area of described shank of bolt; And the shape of cross section of described rib is polygon.

Swivel nut, two ends have the internal thread that cooperates with described shank of bolt external screw thread, and an end is connected with the described shank of bolt that passes described Up Highway UHW folder, and the other end is connected with the described shank of bolt that passes described Down Highway folder.

Two louvres of each moulding of position that the upper surface of described Up Highway UHW folder is relative with described slot with the lower surface of described Down Highway folder.

The lower surface of described Down Highway folder is provided with some limiting components, and the spacing hole that arranges in described limiting component and the power distribution equipment cooperates, fixes described Down Highway and presss from both sides.

Described limiting component is round boss.

Described round boss is arranged at the centre of adjacent two described louvres.

The height of described rib is greater than or equal to the radius of described shank of bolt, and less than the length of described shank of bolt.

The cross section of described louvre is rectangle.

The width of described slot is 32mm, and the degree of depth is 5mm.

The number of the described through hole on described Up Highway UHW folder and the described Down Highway folder is four, and described slot number is six.

The overall dimension of described bus-bar supporting piece is: long 350mm, wide 25mm, high 35mm.

Technique scheme of the present utility model has following advantage:

(1) bolt of the disclosed bus-bar supporting piece employing of the utility model, between described nuts and described shank of bolt, rib is set, and the shape of cross section of rib is polygon, Effective Raise the rigidity of bonding strength and bolt part,, conveniently tight a bolt to needing the fixing of securing member by reinforcing section.

(2) the disclosed bus-bar supporting piece of the utility model, only need being used in conjunction with of Up Highway UHW folder and Down Highway folder can realize fixing bus, need not specially to arrange fixed head when time in the access power distribution equipment, only need described limiting component with the lower surface of described bus clip to be inserted in the spacing hole that arranges in the power distribution equipment and can realize bus access power distribution equipment, bus is put firmly, access procedure is simple, is easy to user's operation.

(3) the disclosed bus-bar supporting piece of the utility model, the two ends of bus all are fixed by Up Highway UHW folder and being used in conjunction with of Down Highway folder, even when having larger electric current to flow through on the bus, also bus can be fixedly secured, can not cause the loosening of bus.

Description of drawings

For content of the present utility model is more likely to be clearly understood, the below is described in further detail the utility model according to specific embodiment of the utility model also by reference to the accompanying drawings, wherein:

Fig. 1 is the structural representation of Up Highway UHW folder;

Fig. 2 is the structural representation of Down Highway folder;

Fig. 3 is the bolt arrangement schematic diagram;

Fig. 4 is the structural representation of bus-bar supporting piece.

Wherein Reference numeral is: 1-Up Highway UHW folder; The 11-slot; The 12-through hole; 2-Down Highway folder; The 21-limiting component; The 22-louvre; The 3-bolt; The 31-bolt head; The 32-shank of bolt; The 33-rib; The 34-swivel nut.

Embodiment

Provide specific embodiment of the utility model below in conjunction with accompanying drawing,

Embodiment 1

The present embodiment provides a kind of bus-bar supporting piece, comprise Up Highway UHW folder 1 shown in Figure 1 and Down Highway folder 2 shown in Figure 2, the upper surface of the lower surface of described Up Highway UHW folder 1 and described Down Highway folder 2 forms some through holes 12 that bolt 3 inserts that are suitable for, and forms two slots 11 that mate with bus between adjacent two described through holes 12; Described bolt 3 passes described through hole 12 and is fixedly connected with described Up Highway UHW folder 1 and described Down Highway folder 2; As shown in Figure 3, described bolt 3 comprises bolt head 31 and has externally threaded shank of bolt 32, and is arranged on the rib 33 between described bolt head 31 and the described shank of bolt 32, and the cross-sectional area of described rib 33 is greater than the cross-sectional area of described shank of bolt 32; And the shape of cross section of described rib 33 is polygon; The height of described rib 33 is greater than or equal to the radius of described shank of bolt 32, and less than the length of described shank of bolt 32.

In order to realize described Up Highway UHW folder 1 and to be connected the connection of Down Highway folder 2, also need to arrange swivel nut 34, described swivel nut 34 two ends have the internal thread that cooperates with described shank of bolt 32 external screw threads, one end is connected with the described shank of bolt 32 that passes described Up Highway UHW folder 1, and the other end is connected with the described shank of bolt 32 that passes described Down Highway folder 2.As shown in Figure 4, pass two shanks of bolt 32 of described Up Highway UHW folder 1 and described Down Highway folder 2, with the screw-internal thread fit of described swivel nut 34, be fixedly connected with by described swivel nut 34 respectively; Swivel nut can carry out length adjustment according to the thickness of the bus of insertion slot is different, and versatility is good, the requirement of applicable bus different size.

Embodiment 2

The present embodiment is done following improvement on the basis of embodiment 1, as illustrated in fig. 1 and 2, and on the lower surface of the upper surface of described Up Highway UHW folder 1 and described Down Highway folder 2, with two louvres 22 of described each moulding of slot 11 relative positions.The cross section of described louvre 22 is rectangle, also can select other shapes such as ellipse, and is circular etc.Owing to being provided with described louvre 22, having saved material simultaneously can be so that the heat of bus be in time left.

Further, the lower surface of described Down Highway folder 2 is provided with some limiting components 21, and the spacing hole that arranges in described limiting component 21 and the power distribution equipment cooperates, fixes described Down Highway and presss from both sides 2.Described limiting component 21 is round boss.Described round boss is arranged at the centre of adjacent two described louvres 22.In power distribution cabinet, position for the bus-bar supporting piece that the present embodiment is set can arrange the hole that is used in conjunction with described round boss, therefore when practical application, only need round boss to be inserted into can to realize in the described hole fixing to the bus-bar supporting piece of the present embodiment, need not other accessories.

As preferred embodiment, the width of described slot 11 is 32mm, and the degree of depth is 5mm; The number of the described through hole 12 on described Up Highway UHW folder 1 and the described Down Highway folder 2 is four, and described slot 11 numbers are six.The overall dimension of described bus-bar supporting piece is: long 350mm, wide 25mm, high 35mm.The claimed scope of the utility model also is included in variation and the change of making on the above-mentioned bus-bar supporting piece basis except above-mentioned explanation.As disposable execution mode, can select the length of bus-bar supporting piece according to the actual conditions of equipment is 130mm, 210mm, 270mm etc.; According to the difference of bus, the number that can select described slot be two or six each and every one, the number of selecting described through hole is two or four.

Obviously, above-described embodiment only is for example clearly is described, and is not the restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And the apparent variation of being extended out thus or change still are among the protection range of the utility model creation.

Claims

1. a bus-bar supporting piece comprises Up Highway UHW folder (1) and Down Highway folder (2), it is characterized in that:

The upper surface of the lower surface of described Up Highway UHW folder (1) and described Down Highway folder (2) forms some through holes (12) that bolt (3) inserts that are suitable for, and forms two slots (11) that mate with bus between adjacent two described through holes (12);

Described bolt (3) passes described through hole (12) and is fixedly connected with described Up Highway UHW folder (1) and described Down Highway folder (2); It comprises bolt head (31) and has externally threaded shank of bolt (32), and being arranged on rib (33) between described bolt head (31) and the described shank of bolt (32), the cross-sectional area of described rib (33) is greater than the cross-sectional area of described shank of bolt (32); And the shape of cross section of described rib (33) is polygon;

Swivel nut (34), two ends have the internal thread that cooperates with described shank of bolt (32) external screw thread, and an end is connected with the described shank of bolt (32) that passes described Up Highway UHW folder (1), and the other end is connected with the described shank of bolt (32) that passes described Down Highway folder (2).

2. bus-bar supporting piece according to claim 1 is characterized in that:

The upper surface of described Up Highway UHW folder (1) and described Down Highway press from both sides lower surface position each moulding two louvres (22) relative with described slot (11) of (2).

3. bus-bar supporting piece according to claim 2 is characterized in that:

The lower surface of described Down Highway folder (2) is provided with some limiting components (21), and the spacing hole that arranges in described limiting component (21) and the power distribution equipment cooperates, fixes described Down Highway and presss from both sides (2).

4. bus-bar supporting piece according to claim 3 is characterized in that:

Described limiting component (21) is round boss.

5. bus-bar supporting piece according to claim 4 is characterized in that:

Described round boss is arranged at the centre of adjacent two described louvres (22).

6. arbitrary described bus-bar supporting piece according to claim 2-5 is characterized in that:

The height of described rib (33) is greater than or equal to the radius of described shank of bolt (32), and less than the length of described shank of bolt (32).

7. bus-bar supporting piece according to claim 6 is characterized in that,

The cross section of described louvre (22) is rectangle.

8. bus-bar supporting piece according to claim 7 is characterized in that

The width of described slot (11) is 32mm, and the degree of depth is 5mm.

9. bus-bar supporting piece according to claim 8 is characterized in that:

The number of the described through hole (12) on described Up Highway UHW folder (1) and the described Down Highway folder (2) is four, and described slot (11) number is six.

10. bus-bar supporting piece according to claim 9 is characterized in that: