CN213709967U

CN213709967U - Strong and weak current block terminal precast concrete groove

Info

Publication number: CN213709967U
Application number: CN202022069246.8U
Authority: CN
Inventors: 王金顺; 李健; 李双庆
Original assignee: Beijing Jiuyang Construction Engineering Co Ltd
Current assignee: Beijing Jiuyang Construction Engineering Co Ltd
Priority date: 2020-09-19
Filing date: 2020-09-19
Publication date: 2021-07-16
Anticipated expiration: 2030-09-19

Abstract

The application relates to a building site field construction field especially relates to a strong and weak current block terminal precast concrete groove. Among the prior art is solved in this application, the block terminal is not high with the drill way joint degree, and the block terminal rocks the problem that drops easily. The wall body is provided with a wall hole, the inner wall of the wall hole is provided with a first groove, the wall hole is provided with a cement tank body, the outer wall of the cement tank body is provided with a first protrusion, the first protrusion can be clamped on the first groove, the inner wall of the cement tank body is provided with a second groove, and the outer side of the distribution box is provided with a second protrusion. The second protrusion is clamped with the second groove. This application has the effect that improves block terminal and wall body conjoint degree.

Description

Strong and weak current block terminal precast concrete groove

Technical Field

The application relates to a building site field construction field especially relates to a strong and weak current block terminal precast concrete groove.

Background

When the main structure is constructed, the building such as a residential building, an office building, a commercial building and the like needs to reserve a distribution box opening in a concrete wall, and pre-buried pipelines are introduced into the reserved opening in the wall, so that the strong and weak current distribution box can be conveniently installed during secondary construction.

In the prior art, referring to fig. 1, the wall body 1 includes a wall body 1, a wall opening 12 is formed in a surface of one side of the wall body 1, a lintel 13 is arranged at an upper end of the wall opening 12, and a length of the lintel 13 is greater than a length of the wall opening 12.

To the correlation technique among the above-mentioned, block terminal 3 installs the back, and block terminal 3's rear portion wall can not be built a brick, if with the fine aggregate concrete with net also not good control later stage plaster hollowing, when wall body entrance to a cave 13 surpass 30mm with will add the lintel, it is more troublesome among the construction engineering, the inventor thinks that there is block terminal 3 and the not strong characteristics of block terminal entrance to a cave 13 associativity of reserving, probably because external factors such as earthquake lead to the wall body to rock the phenomenon that block terminal 3 drops wall body entrance to a cave 12, influence factor of safety.

SUMMERY OF THE UTILITY MODEL

In order to improve the block terminal and reserve the not high characteristics of entrance to a cave conjoint degree, this application provides a strong and weak current block terminal precast concrete groove.

The application provides a pair of strong and weak current block terminal precast concrete groove adopts following technical scheme:

the utility model provides a strong and weak current block terminal precast concrete groove, its includes the wall body, and the wall body sets up a wall body entrance to a cave, and wall body entrance to a cave inner wall includes first recess, sets up a cement tank body in the wall body entrance to a cave, and cement tank body outer wall sets up first arch, first arch and first recess joint, and cement tank body inner wall includes the second recess, and the block terminal outside sets up the second arch. The second protrusion is clamped with the second groove.

Through above-mentioned technical scheme, the cement tank body is prefabricated in advance, can save the lintel, and is more troublesome in avoiding the work progress, and the joint strength of block terminal and wall body can be improved to first arch and first recess joint and the protruding joint of second recess and second, makes the block terminal not break away from the wall body because of rocking.

Preferably, the number of the first grooves is four, and the four first grooves are respectively arranged on four side surfaces of the inner side of the wall body hole. The number of the first protrusions is also four. Are respectively arranged on four lateral surfaces of the outer side of the cement tank body.

Through above-mentioned technical scheme, four recesses and four protruding joints, the effect is better, and the wall body entrance to a cave and the cement tank body combining ability are stronger more.

Preferably, the block terminal wherein the side outside of two parallels all sets up a joint board, and two joint boards are close to the four limits of a side intersection point department of block terminal and all fix and set up a rack, the rack runs through the block terminal, and from the top down run through the rack of block terminal and from this rack nearest from the rack down upwards run through the rack in the middle of set up a gear, the gear can drive the rack and reciprocate, and a side that the block terminal was kept away from to the joint board all sets up the second arch.

Through adopting above-mentioned technical scheme, two joint boards, the effect is better, and the cohesion is stronger, and the rack can drive the joint board and reciprocate simple to operate.

Preferably, the distribution box comprises a hollow shell, the part of the rack on the inner side of the distribution box is arranged on the inner side of the hollow shell, the gear is also arranged in the hollow shell, a bolt and a nut are arranged at the position where the hollow shell and the gear coincide, and the bolt and the nut penetrate through the hollow shell and are pressed against the side face of the gear.

Through above-mentioned technical scheme, bolt and nut can avoid the gear when protruding and the second recess joint of second, and the joint board receives gravity to fall down, so this scheme can the fixed gear, makes it no longer rotatory.

Preferably, the number of the bolt and the nut is four.

Through above-mentioned technical scheme, make the gear more stable, bolt and nut fixed effect is better.

Preferably, the gear center sets up the centre bore, the block terminal still includes the rotary rod, and two centre bores around a rotary rod runs through, and with the fixed setting of gear, the gear rotates along with the rotary rod and rotates.

Through above-mentioned technical scheme, a rotary rod drives two gears rotatory to two gears drive the rack rotation, can improve work efficiency.

Preferably, set up the third recess on block terminal and two sides that the rack is parallel, set up the joint piece with two sides on the cement tank body that the third recess is corresponding, joint piece and third recess joint.

Through above-mentioned technical scheme, the joint piece can with the block terminal card in the inboard suitable position of cement tank body, at rotatory rotary rod, the rotary rod drives the joint board and reciprocates, joint block terminal.

Preferably, the quantity of joint piece is four, and the joint piece divide into two sets ofly, two joint pieces of every group, and two sets of joint pieces are along place side width direction evenly distributed, and every group joint piece is along place side length direction evenly distributed on the place side.

Through above-mentioned technical scheme, the joint ball is four, and the effect of playing is better, and it is insecure to avoid putting into the cement tank body with the block terminal when.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cement tank body is prefabricated in advance, can save the lintel, and it is more troublesome in avoiding the work progress, and the joint strength of cement tank body and wall body can be improved to first arch and first recess joint, and the joint strength of block terminal and cement tank can be improved to the protruding joint of second recess and second, makes the block terminal not break away from the wall body because of rocking.

The bolt and the nut can prevent the clamping plate from falling down under the action of gravity when the second protrusion and the second groove are clamped by the gear, so that the gear can be fixed by the scheme and can not rotate any more.

Drawings

FIG. 1 is a schematic diagram of a precast concrete trough for a distribution box according to the prior art;

FIG. 2 is a schematic diagram of a precast concrete trough structure for a distribution box;

FIG. 3 is a schematic diagram of a precast concrete trough structure for a distribution box;

FIG. 4 is a cross-sectional view of the electrical box;

FIG. 5 is a schematic structural view of a hollow shell;

FIG. 6 is a schematic structural view of a hollow shell;

FIG. 7 is a cross-sectional view of the hollow shell;

fig. 8 is a schematic view of the structure of the hollow shell at a.

Description of reference numerals: 1. a wall body; 11. a first groove; 12. a wall opening; 13. a lintel; 2. a cement tank body; 21. a first protrusion; 22. a clamping block; 23. a second groove; 3. a distribution box; 31. a third groove; 32. a clamping and connecting plate; 33. a second protrusion; 34. a rack; 35. a hollow shell; 351. a hollow bore; 36. gear 361, central hole; 37. rotating the rod; 38. bolt holes; 381. and bolts and nuts.

Detailed Description

The present application is described in further detail below with reference to figures 2-7.

The embodiment of the application discloses strong and weak current block terminal precast concrete groove.

Referring to fig. 2 and 3, the precast concrete trough for the strong and weak current distribution box comprises a wall body 1 and a cement trough body 2.

A wall body opening 12 is formed in the side face of the wall body 1, a first groove 11 is formed in each of four side faces of the inner wall of the wall body opening 12, the four first grooves 11 are connected end to end, and the first grooves 11 can be quadrangular frustum grooves and the like.

The lateral surface of cement tank body 2 sets up with the inner wall laminating of wall body entrance to a

cave

12, and 2 opening orientation of cement tank body are unanimous with 12 opening orientations of wall body entrance to a cave, and cement tank body 2 includes four first archs 21, and first arch 21 all sets up on the lateral surface of cement tank body 2, and end to end connection, and first arch 21 sets up with the laminating of first recess 11, and the first arch 21 of this place is four terrace with edges.

All set up four joint pieces 22 on the two parallel side inboards of the vertical setting of 2 inner walls of cement tank body, joint piece 22 divide into two sets ofly, two joint pieces 22 of every group, and two sets of joint pieces 22 are along place side width direction evenly distributed, and every group joint piece 22 is along place side length direction evenly distributed on the side of place.

A plurality of second grooves 23 are formed in the inner sides of two parallel side faces of the inner wall of the cement tank body 2, and the second grooves 23 are evenly distributed in the width direction of the side faces. The second groove 23 is here elongated.

2 inboard block terminals 3 that set up of cement tank body, 3 opening orientations of block terminals are unanimous with 2 opening orientations of cement tank body, two vertical parallel side outsides of block terminals 3 all set up four third recesses 31, four third recesses 31 distribute on the side of place and respectively with four joint piece 22 looks joints, two parallel side outsides that 3 levels of block terminals set up all set up a joint board 32, joint board 32 parallels with the horizontal side of block terminals 3, a side that block terminals 3 were kept away from to joint board 32 sets up the protruding 33 of a plurality of second, the protruding 33 of second sets up along the 32 width direction evenly distributed of place joint board, the protruding 33 of second sets up with the laminating of second recess 23, the protruding 33 of second of this place is rectangular shape.

Referring to fig. 4, 4 racks 34 are fixedly arranged on one surface of each of the two clamping plates 32 close to the body of the distribution box 3, the racks 34 are respectively arranged on the inner sides of intersection points of four edges of the clamping plate 32, the 4 racks 34 are perpendicular to the clamping plate 32, and one end of each rack 34 far away from the clamping plate 32 penetrates through the side surface of the closest distribution box 3.

Block terminal 3 includes hollow shell 35, the fixed setting in 3 inner walls of block terminal at hollow shell 35 both ends, and hollow shell 35 length direction parallels with rack 34 length direction, place side downwardly extending is passed from block terminal 3's the side of going up to upper end rack 34, place side upwardly extending is passed from block terminal 3's downside to lower extreme rack 34, rack 34 that upwards extends sets up in hollow shell 35 with a rack 34 that downwardly extending nearest rather than, and a face that has rack 34 in two racks 34 all sets up in opposite directions.

A gear 36 is arranged between the two racks 34, and the gear 36 is meshed with the two racks 34.

Referring to fig. 5 and 6, a central hole 361 is provided at the center of the parallel surfaces on both sides of the gear 36, a hollow hole 351 is provided at the center of both parallel surfaces parallel to the rack 34 on the hollow shell 35, and the axes of the two hollow holes 351 on the same hollow shell 35 coincide.

Referring to fig. 5 and 7, during installation, the gear 36 is installed in the hollow shell 35, the central hole 361 is installed between two hollow holes 351, and the axis of the central hole 361 coincides with the axis of the hollow holes 351, in the distribution box 3, a rotating rod 37 is arranged on each of the front hollow shell 35 and the rear hollow shell 35, the length direction of the rotating rod 37 is perpendicular to the length direction of the rack 34, the rotating rod 37 penetrates through the four hollow holes 351 and the two central holes 361, and one end, close to the opening, of the rotating rod 37 extends out of the side face of the hollow shell 35.

Referring to fig. 5 and 8, on two hollow shells 35 at the opening of the distribution box 3, four bolt holes 38 are provided on the overlapped portion of the hollow shells 35 and the gear 36 and the side facing the opening of the distribution box 3, the bolt holes 38 are uniformly distributed with the axis of the hollow hole 351 as the center, each bolt hole 38 is provided with a bolt nut 381, and the bolt nut 381 penetrates through the side of the hollow shell 351 where the bolt nut 381 is located and is pressed against the side of the gear 36.

The embodiment of the application provides a strong and weak current block terminal precast concrete groove's implementation principle does:

when in construction, the first groove 11 is arranged on the wall body 1, and the cement tank body 2 which is prefabricated and molded in advance is placed on the wall body 1, so that the first groove 11 at the lowest end is attached to the first protrusion 21, and then construction is continued until the wall surface is covered, and the wall hole 12 is attached to the cement tank body 2.

When installation block terminal 3, in sending block terminal 3 level to cement tank body 2 earlier, to four joint pieces 22 of cement tank body 2 joint respectively in block terminal 3's third recess 31, two rotary rods 37 of rotation simultaneously, rotary rod 37 drives gear 36 rotatory, gear 36 drives rack 34 and makes two joint boards 32 remove to the direction of keeping away from block terminal 3 simultaneously, until the protruding 33 of second and the laminating joint of second recess 23, tighten up bolt nut 381, bolt nut 381 runs through the hollow shell 351 side in place, and support and press on gear 36, make gear 36 not rotate.

Just so can improve block terminal 3 and the 3 holes of block terminal of reserving and combine not strong characteristics to can make block terminal 3 install conveniently.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a strong and weak current block terminal precast concrete groove, its includes wall body (1), and wall body (1) sets up a wall body entrance to a cave (12), its characterized in that: wall body entrance to a cave (12) inner wall includes first recess (11), set up one cement tank body (2) in wall body entrance to a cave (12), cement tank body (2) outer wall sets up first arch (21), first arch (21) and first recess (11) joint, and cement tank body (2) inner wall includes second recess (23), and block terminal (3) outside sets up the protruding (33) of second, the protruding (33) of second and second recess (23) joint.

2. The precast concrete trough of strong and weak current distribution box of claim 1, characterized in that: the four first grooves (11) are respectively arranged on four inner side surfaces of the wall body opening (12), and the four first bulges (21) are respectively arranged on four outer side surfaces of the cement tank body (2).

3. The precast concrete trough of strong and weak current distribution box of claim 1, characterized in that: the side outside of block terminal (3) wherein two parallels all sets up a joint board (32), and four limits intersection points department in a side that two joint boards (32) are close to block terminal (3) all fixes and sets up a rack (34), rack (34) run through block terminal (3), and from the top down run through rack (34) of block terminal (3) and from this rack (34) nearest from upwards set up a gear (36) in the middle of running through rack (34) of block terminal (3) down, gear (36) can drive rack (34) and reciprocate, and a side that block terminal (3) were kept away from in joint board (32) all sets up second arch (33).

4. A strong and weak current block terminal precast concrete groove of claim 3 characterized in that: the distribution box (3) comprises a hollow shell (35), the part of the rack (34) on the inner side of the distribution box (3) is arranged on the inner side of the hollow shell (35), the gear (36) is also arranged in the hollow shell (35), a bolt nut (381) is arranged at the position where the hollow shell (35) and the gear (36) coincide, and the bolt nut (381) penetrates through the hollow shell (35) and abuts against the side face of the gear (36).

5. A strong and weak current block terminal precast concrete groove of claim 4 characterized in that: the number of the bolt nuts (381) is four.

6. A strong and weak current block terminal precast concrete groove of claim 3 characterized in that: gear (36) center sets up centre bore (361), block terminal (3) still include rotary rod (37), and two centre bores (361) around rotary rod (37) run through, and with gear (36) fixed setting, gear (36) rotate and rotate along with rotary rod (37).

7. A strong and weak current block terminal precast concrete groove of claim 3 characterized in that: set up third recess (31) on block terminal (3) and two sides that rack (34) are parallel, set up joint piece (22) on two sides on cement tank body (2) corresponding with third recess (31), joint piece (22) and third recess (31) joint.

8. A strong and weak current block terminal precast concrete groove of claim 7 characterized in that: the quantity of joint piece (22) is four, and joint piece (22) divide into two sets ofly, and two joint pieces (22) of every group, two sets of joint pieces (22) are along place side width direction evenly distributed, and every group joint piece (22) are along place side length direction evenly distributed on the side of place.