CN2155638Y

CN2155638Y - Connection box having biggish internal space

Info

Publication number: CN2155638Y
Application number: CN 93203526
Authority: CN
Inventors: 谢柱登
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-02-12
Filing date: 1993-02-12
Publication date: 1994-02-09
Anticipated expiration: 2003-02-12

Abstract

The utility model relates to a connection box, which is embedded in a concrete wall or a floor. The utility model has biggish internal space for containing and twisting an electric member. A body, a wire running tube sleeve, a fixed earing and an externally arranged fixed column are integrally made by means of injection molding method. The wire running tube sleeve, the fixed earing and the fixed column can be allocated according to need. The connection of a wire running tube sleeve hole and the side wall of the body is provided with a connection rib and a cable inlet plate connected with the side wall of the body in order to avoid concrete slurry to penetrate in a wire running tube at the time of irrigation. In the fixed column, a movable hexagona copper screw cap is arranged in order to be adapted to installation error, and an end sealing plug is used to seal the hole in order to prevent earth slurry from entering. The fixed earing is arranged on the outer side of the body, which is convenient for the operation of fixation.

Description

Connection box having biggish internal space

The utility model relates to terminal box, relate in particular in building industry, be embedded in concrete or armored concrete wall or the floor connect to use for concealed wire, have bigger inner space to hold the terminal box of grafting circuit member in the line.

In building industry, terminal box is embedded in cast-in-place or prefabricated wall or the floor to realize that concealed wire connects or the technology of installation electric switch or other assemblies becomes known already.Because the expansion of the scope of application, for example in the bathroom, need to be equipped for the appliances such as electric heating hair dryer, electric shaver and plug connector or the annex established, this just needs the bigger terminal box in inner space.What use the earliest is the terminal box made from iron sheet, and the shortcoming of this can is easy corrosion, and the screwed hole that its flange is made is easy to slide fastener, and easy deformation and cause outer arrangement location to be forbidden, and influences attractive in appearance; And there is not to be provided with the device be fixed on the template, therefore fix in position on template exactly, the accessory that must add such as fixation clamp could be fixed to terminal box on the template, not only needs to add accessory, and be not easy to find accurately very much fixed position, time-consuming accident.Through improving, designing with the higher modified polyvinyl chloride of intensity is the plastic junction box that raw material is made.Representational is the product of Britain Ega company.Though this plastic junction box has been eliminated the corrosion of iron sheet terminal box and the shortcoming of easy deformation, its plastic whorl that has extended is partly still firm inadequately, and problem itself that cannot locate on template simultaneously still exists.Though this plastic junction box has on the through wires hole position when making state and formerly prevents that concrete grout from infiltrating the removable hush panel of spool when being intended to placing concrete, but at cabling for convenience and after having installed the cabling pipe box tube that adds additional, hush panel has just been removed.Like this, concrete grout will infiltrate in the spool when pouring.Prevent that this phenomenon from occurring taking the other measure of blocking up, this just directly extends the preparation time, not only takes a lot of work but also take material, has increased production cost.

The purpose of this utility model be to provide a kind of positioning action convenient, guarantee to prevent concrete grout when pouring, enter away in the spool, water fixed back externally installation component cooperate require lower and also be provided with the facility of being convenient to fix in position exactly, have bigger inner space to hold the terminal box of grafting circuit member in the line.

The utility model structurally takes following measures to realize above-mentioned target.At first be that cabling pipe box tube is integrally made on the terminal box body, on cabling pipe box tube outer rim, be provided with reinforcement reinforcing, removable hush panel is set in itself and terminal box body junction infiltrates spool when preventing concrete grout in pouring.Be provided with in body outside as the lug with holes of fixture so that terminal box is held in place on the template exactly, and establish convex tendon with the enhancing lug with nail and so on.Employing adds active copper nut interband unoccupied place packs in the outer arrangement installing hole and blocks with embolism rearward, adjust the accuracy of improving installing and locating and then guarantee neat appearance thereby install with facility, and concrete grout infiltrates from the back side when preventing to water.Such architecture advances has solved the problem that this embedding bury type terminal box exists always at one stroke basically, has reduced production cost.Simultaneously, the number of the fixed leg device of the cabling pipe box tube of terminal box, attaching clamp and the outer arrangement of installation can provide on request with the permutation and combination that the position is set, to adapt to different operating positions.

Now in conjunction with the accompanying drawings the utility model is described in detail.In the accompanying drawings,

Fig. 1 is that the terminal box body of prior art is equipped with two vertical views after adding the lead sleeve;

Fig. 2 is the cutaway view of the prior art terminal box that cuts of the I-I line along Fig. 1;

Fig. 3 is the partial sectional view of the outer arrangement installing hole that cuts of the II-II line along Fig. 1;

Fig. 4 is the vertical view of second embodiment of the terminal box of prior art;

Fig. 5 is the front view of the terminal box of Fig. 4;

Fig. 6 is the vertical view of first embodiment of terminal box of the present utility model, has eight cabling pipe box tubes;

Fig. 7 is the half sectional view of the VII-terminal box that the VII line cuts along Fig. 6;

Fig. 8 is the partial sectional view of the outer arrangement installing hole that cuts of the VIII-VIII line along Fig. 6;

Fig. 9 is the vertical view of second embodiment of terminal box of the present utility model, has six cabling pipe box tubes;

Figure 10 is the vertical view of the 3rd embodiment of terminal box of the present utility model, has six cabling pipe box tubes;

Figure 11 is the vertical view of the 4th embodiment of terminal box of the present utility model, has four cabling pipe box tubes;

Figure 12 is the vertical view of the 5th embodiment of terminal box of the present utility model, has four cabling pipe box tubes;

Figure 13 is the vertical view of the 6th embodiment of terminal box of the present utility model, has four cabling pipe box tubes;

Figure 14 is the vertical view of the 7th embodiment of terminal box of the present utility model, has two cabling pipe box tubes;

Figure 15 is the vertical view of the 8th embodiment of terminal box of the present utility model, has two cabling pipe box tubes.

Fig. 1 to 5 illustrates the terminal box of prior art.As seen, cabling pipe box tube is two parts with body from Fig. 1 and 2.From Fig. 2 as seen, also have hush panel in the outlet that does not have to use in the left side, and just no longer had hush panel in the outlet of loading onto cabling pipe box tube on right side, this just can not guarantee that concrete grout can not enter away in the spool when pouring.Fig. 3 illustrates the situation of screw being installed with the integrally formed outer arrangement of plastic body, and it is the plastics screws that screw is installed in main explanation.Certainly, the terminal box of this prior art can be installed the cabling pipe box tube of the varying number of various combination on demand.

Fig. 6 to 8 illustrates first embodiment of terminal box of the present utility model.In this first embodiment, injection moulding process reinstated by terminal box body 1 and eight cabling pipe box tubes 2 one or other method is integrally formed.From Fig. 7 as seen, cabling pipe sleeve hole and body sidewall junction are provided with hush panel 3, make this terminal box guarantee that concrete grout can not infiltrate in the spool when pouring.This hush panel connects together with the body sidewall by three or four narrow company's muscle 4 and makes with injection moulding or other method, establish for ease of after pouring, hush panel being removed, the corresponding circular arc-shaped slits 5 of its cylindrical and sleeve aperture is to draw large in order to describe clear, shown on the left of Fig. 8.Cabling pipe box tube is provided with reinforcement 6 on periphery.From Fig. 8 as seen, has a hexagon deep hole in the fixed leg 7 of the outer arrangement of the installation of body, interband unoccupied place is equipped with and is not easy slide fastener when one six side's copper screw cap 8 is installed outer arrangement with assurance in it, seals to prevent that concrete grout from infiltrating in the screw thread of nut when watering with the embolism 9 of end-blocking then.Hex hole is with the cooperation that has the gap of six side's copper screw caps, though guarantee the time in pouring body have move slightly also can make outer arrangement by desired location, keep installation exactly fitly attractive in appearance.From Fig. 6 as seen, be located at the body outside for terminal box being fixed to the lug of establishing on the template with holes 10, add that reinforcement strengthens, this can not reliably and exactly be held in place in problem on the template with regard to the terminal box self that has solved prior art.

Fig. 9 to Figure 15 illustrates second to the 8th embodiment with six, four or two cabling pipe box tubes of terminal box of the present utility model respectively.Structure is just the same, and the number of the cabling pipe box tube that just stretches out is with that the position is set is different.

In sum, the utility model has been eliminated the used defective of such prior art terminal box basically, and a kind of fairly perfect embedding bury type terminal box is provided.The purposes of certain this terminal box is not limited to and is embedded in concrete wall or the floor, also can be contained in the terminal box of making the pipeline cabling on the roof of furred ceiling and use.Can certainly be used to not require the industrial premises or the interior terminal box use of machine room of appearance looks elegant as the open-wire line cabling.

Claims

1, a kind of in building industry, be embedded in concrete or armored concrete wall or the floor, have bigger inner space to hold the terminal box of grafting circuit member in the line, it has a body, two or more cabling pipe box tube and outer arrangement is installed screw, it is characterized in that the fixed leg (7) of body (1), cabling pipe box tube (2), the outer arrangement of installation of terminal box and the attaching clamp as fixture (10) that has a fixing hole are integrated members; The number of the fixed leg device of cabling pipe box tube, attaching clamp and the outer arrangement of installation can provide by different requirements with the permutation and combination that the position is set; Cabling pipe sleeve hole and body sidewall junction are provided with by three or four hush panel (3) that narrow company's muscle (4) connects together with the body sidewall, also be integrally formed, even leave its cylindrical and the corresponding circular arc-shaped slits in cabling pipe box tube aperture (5) between muscle so that after pouring, remove hush panel with body; Cabling pipe box tube is provided with reinforcement (6) on periphery; Have a hexagon deep hole in the fixed leg (7) of the outer arrangement of installation, interband unoccupied place is equipped with one six side's copper screw cap (8) and is used the embolism (9) of end-blocking to seal subsequently in it; With terminal box be held in place on the template lug (10) be located at the body outside and strengthen with reinforcement.