A prefabricated concrete distribution box slot mold and a prefabricated distribution box slot thereof

Abstract

The utility model discloses a kind of prefabricated mould of concrete distribution box slot and prefabricated distribution box slot thereof, the prefabricated mould includes mould shell, main cavity is provided in mould shell inside front end, auxiliary cavity is provided in mould shell inside rear end, auxiliary cavity front end is connected with main cavity rear end intercommunication;The mounting hole of longitudinal through module shell bottom end end wall is provided in the bottom end of main cavity, fixedly connected with core mould piece in mounting hole, and the top of core mould piece is detachably connected with threading sleeve;Positioning sleeve is symmetrically provided in the auxiliary cavity, and positioning sleeve is connected with the side wall of mould shell by positioning bolt.The distribution box slot includes body piece, and the front end of body piece is provided with containing cavity for installing electric meter, and the rear end of containing cavity is provided with threading hole for threading, and the top of body piece is integrally formed with support part, and both ends of support part extend to the outside of both ends of body piece, and positioning through-hole is provided on support part and longitudinally penetrates support part.

Description

Technical Field

[0001] This utility model relates to the field of building engineering, and in particular to a precast mold for concrete distribution box troughs and the precast distribution box troughs thereon. Background Technology

[0002] Previously, meter boxes were typically mounted on the wall, taking up considerable space. Additionally, the wiring within the meter boxes was often messy. However, with advancements in meter box technology, they are now embedded in the wall, reducing the surface area occupied. Furthermore, the wiring for the electronic components inside the meter box is now concealed, thus improving the overall wiring efficiency.

[0003] Patent No. ZL201921654306.3 discloses a wall-mounted meter box for a power grid system, which can realize the installation of the meter and the arrangement of the meter line. However, the embedded meter box requires cutting a groove structure for the meter box in the wall. The cutting process requires manual marking, mechanical cutting, plastering and trimming, which is time-consuming and labor-intensive. At the same time, it is difficult to accurately control the depth and verticality of the groove structure during cutting, and secondary rectification is required during the installation of the meter box, which seriously affects the installation efficiency of the meter box. It is necessary to improve it. Summary of the Invention

[0004] The purpose of this utility model is to address the above-mentioned problems by providing a prefabricated mold for concrete distribution box troughs that is simple in structure and easy to use, as well as the prefabricated distribution box troughs thereof.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] A precast mold for a concrete distribution box trough includes a mold shell with an open top. A main cavity is located at the front end of the mold shell, and an auxiliary cavity is located at the rear end. The front end of the auxiliary cavity is connected to the rear end of the main cavity. Both the main cavity and the auxiliary cavity are rectangular prisms, with the length of the auxiliary cavity greater than the length of the main cavity and their midlines coinciding. The bottom end of the main cavity has a longitudinally penetrating mounting hole, which is rectangular in shape. A core mold is fixedly connected within the mounting hole, and the top end of the core mold has a mounting protrusion that is detachably connected to a wiring sleeve. The auxiliary cavity contains symmetrically arranged positioning sleeves, with two positioning sleeves located on the outer sides of both ends of the main cavity. The positioning sleeves are connected to the side walls of the mold shell via positioning bolts.

[0007] Furthermore, the core mold is in the shape of a rectangular prism, and the outer diameter of the core mold is adapted to the inner diameter of the mounting hole. A fixing protrusion is provided on the bottom edge of the core mold and is fixedly connected to the outer peripheral edge of the bottom of the mounting hole through the fixing protrusion. The top of the core mold extends into the main body cavity through the mounting hole. An mounting protrusion is integrally formed at the center of the top of the core mold. The mounting protrusion is cylindrical and nested inside the bottom of the wire-passing sleeve.

[0008] Furthermore, the core mold is a hollow rubber component with a vent at the bottom. An air connector is fixedly connected inside the vent and connected to an air pipeline through the air connector.

[0009] Furthermore, the axial direction of the positioning sleeve is consistent with the width direction of the auxiliary cavity, and the length of the positioning sleeve is adapted to the inner diameter of the auxiliary cavity in the width direction.

[0010] Furthermore, the length direction of the positioning bolt is consistent with the length direction of the positioning sleeve, and the positioning bolt passes through the two end walls in the width direction of the auxiliary cavity and is threadedly connected to the positioning nut; the positioning sleeve is located in the auxiliary cavity and is sleeved on the outside of the positioning bolt.

[0011] Furthermore, the mold housing is a detachable and assembleable structure; the mold housing includes a main housing, a front baffle, and a rear baffle. The front baffle is detachably connected to both sides of the front end of the main housing and forms the front end wall of the mold housing after connection. The rear baffle is connected to the positioning bolts provided at the rear end of the main housing and forms the rear end wall of the mold housing after connection.

[0012] Furthermore, the front baffle is rectangular, and its length matches the inner diameter of the main body cavity along its length. Connecting ears are integrally formed at the top of both ends of the front baffle along its length, and each connecting ear has a first connecting hole. The mounting hole is located at the bottom of the main housing. Second connecting holes, corresponding to the first connecting holes, are provided on the top of the two side walls at the front of the main housing. Several second connecting holes are provided, all located in front of the mounting hole and evenly spaced along the width of the main body cavity. The front baffle is embedded in the two side walls at the front of the main housing, with the bottom end wall of the front baffle contacting the inner wall of the bottom of the front of the main housing. The first connecting hole on the connecting ear at the top of the front baffle is bolted to any corresponding second connecting hole.

[0013] Furthermore, the rear baffle is rectangular, and its length matches the inner diameter of the auxiliary cavity along its length. The rear baffle is embedded in the side walls of the rear end of the main housing, and the bottom end wall of the rear baffle contacts the bottom inner wall of the rear end of the main housing. The rear baffle is symmetrically provided with first positioning holes, and the main housing is provided with second positioning holes corresponding to the first positioning holes. A positioning sleeve is provided between the first positioning holes and the second positioning holes. One end of the positioning bolt passes through the second positioning hole, the positioning sleeve, and the first positioning hole in sequence and is threaded to the positioning nut. The diameters of the first positioning hole and the second positioning hole are both smaller than the end face diameter of the positioning sleeve.

[0014] A distribution box trough includes a main body, a receiving cavity for installing an electricity meter is provided at the front end of the main body, a wire-passing hole for threading wires is provided at the rear end of the receiving cavity, a support part is integrally formed at the top end of the main body, the two ends of the support part extend to the outer sides of the two ends of the main body, and a positioning through hole is provided on the support part.

[0015] Compared with the prior art, the advantages and positive effects of this utility model are:

[0016] This utility model utilizes prefabricated distribution box troughs, allowing for direct installation into the wall at predetermined locations during construction. When installing the meter box, it can be directly placed within the trough's receiving cavity, eliminating the need to cut grooves in the wall. Furthermore, the size and depth of the receiving cavity can be precisely controlled according to usage requirements, avoiding secondary modifications during meter box installation and effectively improving installation efficiency and convenience. Additionally, the integrated support structure at the upper end of the meter box trough's main body design... When the meter box trough is built into the wall, the two ends of the support can be supported on the wall structure on both sides of the main body, which can distribute the load of the upper part of the main body to the two side walls, preventing the wall from crushing the main body and improving the service life of the distribution box trough. At the same time, the positioning through holes on both ends of the support can be used to connect the support to the top of the two side walls of the main body with pins, which improves the stability of the connection structure between the distribution box trough and the wall, prevents the distribution box trough from detaching from the wall, and effectively improves the use effect of the distribution box trough.

[0017] On the other hand, this utility model also proposes a prefabrication mold for concrete distribution box troughs to support the prefabrication of distribution box troughs. Its structure is simple and easy to operate. The prefabrication height and thickness of the distribution box troughs can be adjusted and controlled according to the usage requirements, thereby producing distribution box troughs of various sizes and specifications, which brings convenience to the prefabrication of distribution box troughs and further improves the application effect of this utility model. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 A top view of the prefabricated mold for the distribution box trough;

[0020] Figure 2 for Figure 1 AA sectional view of the structure;

[0021] Figure 3 A sectional view showing the prefabrication effect of the prefabrication mold for the distribution box trough;

[0022] Figure 4 for Figure 1 BB cross-sectional structural diagram;

[0023] Figure 5 for Figure 1 CC cross-sectional view;

[0024] Figure 6 A top view of the assembly structure of the prefabricated mold for the distribution box trough;

[0025] Figure 7 This is the main view of the distribution box trough.

[0026] Figure 8 This is an illustration of the installation effect of the electrical distribution box trough. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, any modifications, equivalent substitutions, improvements, etc., made by those skilled in the art to all other embodiments obtained without creative effort should be included within the protection scope of the present utility model.

[0028] like Figures 1 to 6As shown, this embodiment discloses a precast mold for a concrete distribution box trough, including a mold shell, which is a detachable and assembleable structure. After assembly, the mold shell has a top-opening shell structure. A main cavity 101 is located at the front end of the mold shell, and an auxiliary cavity 102 is located at the rear end. The front end of the auxiliary cavity 102 is connected to the rear end of the main cavity 101. Both the main cavity 101 and the auxiliary cavity 102 are rectangular prisms, and the length of the auxiliary cavity 102 is greater than the length of the main cavity 101. The midline coincides; the bottom of the main cavity 101 is provided with a mounting hole 103 that penetrates the bottom end wall of the module housing longitudinally. The mounting hole 103 is rectangular. A core mold 4 is fixedly connected in the mounting hole 103. The top of the core mold 4 is provided with a mounting protrusion 401 and is detachably connected to the threaded sleeve 5 through the mounting protrusion 401; the auxiliary cavity 102 is symmetrically provided with positioning sleeves 6. The two positioning sleeves 6 are located on the outer sides of the two ends of the main cavity 101, and the positioning sleeves 6 are connected to the side wall of the mold housing through positioning bolts 7.

[0029] When producing the distribution box trough, the bottom end of the conduit is installed on the top of the mounting protrusion. Then, concrete is poured into the mold shell, keeping the concrete pouring height as level as possible with the top of the conduit. After demolding, the part inside the main cavity forms the main body of the distribution box trough, the part inside the auxiliary cavity forms the support part, and the part after demolding the core mold forms the receiving cavity of the distribution box trough. The conduit is poured into the main body of the distribution box trough, forming the conduit hole inside. The positioning sleeve is poured into the support part of the distribution box trough, forming the positioning through hole inside. During production, the conduit of appropriate length can be selected according to the thickness of the rear end wall of the main body, or the positioning sleeve of appropriate length can be selected according to the width of the support part.

[0030] The disassembled structure of the mold shell includes a main shell 1, a front baffle 2, and a rear baffle 3. The front baffle 2 is detachably connected to both sides of the front end of the main shell 1 and forms the front end wall of the mold shell after connection. The rear baffle 3 is connected to the positioning bolt 7 located at the rear end of the main shell 1 and forms the rear end wall of the mold shell after connection.

[0031] The front baffle 2 is rectangular, and its length is adapted to the inner diameter of the main body cavity 101 along its length. Connecting ears 201 are integrally formed on the top of both ends of the front baffle 2 along its length, and first connecting holes 203 are provided on the connecting ears 201. The mounting holes 103 are provided at the bottom of the main housing 1. The top of the two side walls at the front end of the main housing 1 are provided with second connecting holes 104 corresponding to the first connecting holes 203. There are several second connecting holes 104, and they are all located in front of the mounting holes 103 and are evenly spaced along the width of the main body cavity 101. The front baffle 2 is embedded in the two side walls at the front end of the main housing 1. The bottom end wall of the front baffle 2 is in contact with the inner wall of the bottom of the front end of the main housing 1. The first connecting hole 203 on the connecting ear 201 at the top of the front baffle 2 is connected to any corresponding second connecting hole 104 by adjusting bolts 202.

[0032] The rear baffle 3 is rectangular, and its length is adapted to the inner diameter of the auxiliary cavity 102 along its length. The rear baffle 3 is embedded in the side walls of the rear end of the main housing 1, and the bottom end wall of the rear baffle 3 is in contact with the inner wall of the bottom of the rear end of the main housing 1. The rear baffle 3 is symmetrically provided with a first positioning hole 301, and the main housing 1 is provided with a second positioning hole 105 corresponding to the first positioning hole 301. A positioning sleeve 6 is provided between the first positioning hole 301 and the second positioning hole 105. One end of the positioning bolt 7 passes through the second positioning hole 105, the positioning sleeve 6, and the first positioning hole 301 in sequence and is threadedly connected to the positioning nut 701. The diameters of the first positioning hole 301 and the second positioning hole 105 are both smaller than the end face diameter of the positioning sleeve 6. When demolding, the positioning bolt 7 is directly removed, and the positioning sleeve 6 is poured into the distribution box groove, with the inside of the positioning sleeve 6 serving as a positioning through hole.

[0033] The axial direction of the positioning sleeve 6 is consistent with the width direction of the auxiliary cavity 102, and the length of the positioning sleeve 6 is adapted to the inner diameter of the auxiliary cavity 102 in the width direction. The length direction of the positioning bolt 7 is consistent with the length direction of the positioning sleeve 6, and the positioning bolt 7 passes through the end walls of both ends of the auxiliary cavity 102 in the width direction and is threadedly connected to the positioning nut 701; the positioning sleeve 6 is located inside the auxiliary cavity 102 and is sleeved on the outside of the positioning bolt 7.

[0034] The front baffle can move inside the front end of the main housing to adjust and control the bottom height of the main body of the formed distribution box trough. During adjustment, simply connect the first connecting hole on the front baffle with the corresponding second connecting hole using bolts. The rear baffle can move inside the rear end of the main housing to adjust and control the top height of the support part of the formed distribution box trough. During adjustment, simply select the positioning sleeve of the required length. After placing the positioning sleeve in the auxiliary cavity and fixing it with the positioning bolts, a stable connection between the main housing and the rear baffle is achieved, and concrete pouring can then be carried out in the formed auxiliary cavity.

[0035] The detachable design of the front and rear baffles allows for the production of distribution box troughs of appropriate height based on the thickness of the bricks or blocks on both sides when installing them on the wall. This makes it easier to construct the distribution box troughs within the wall. Typically, the height of the distribution box trough body is an integer number of brick or block layers, allowing the support to be easily placed on the bricks or blocks on both sides of the body. Furthermore, by selecting the length of the conduit, this module can adjust and control the thickness of the distribution box trough. Shorter conduits result in a narrower trough, while longer conduits result in a wider trough. This adjustment also allows for adaptation to the wall thickness, making installation more convenient and resulting in a smoother wall surface after installation.

[0036] The core mold 4 is in the shape of a rectangular column. The outer diameter of the core mold 4 is adapted to the inner diameter of the mounting hole 103. The bottom edge of the core mold 4 is provided with a fixing protrusion 402 and is fixedly connected to the outer peripheral edge of the bottom end of the mounting hole 103 through the fixing protrusion 402. The top end of the core mold 4 extends into the main body cavity 101 through the mounting hole 103. The center position of the top end of the core mold 4 is integrally formed with a mounting protrusion 401, which is cylindrical and nested inside the bottom end of the wire sleeve 5.

[0037] The core mold 4 is a hollow rubber part. A vent 403 is provided at the bottom of the core mold 4. An air connector 404 is fixedly connected inside the vent 403 and connected to an air pipeline through the air connector 404.

[0038] The core mold is an inflatable rubber structure. When in use, it is inflated to form a rectangular column structure, and then a threading sleeve is nested on the mounting protrusion at the top for concrete pouring. When demolding, the core mold is contracted and deformed by negative pressure gas to achieve the demolding effect. Its simple structure and convenient operation further improve the effectiveness of this utility model.

[0039] The precast concrete distribution box trough mold of this utility model can be used for the precasting of distribution box troughs. It has a simple structure and is easy to operate. The precast height and thickness of the distribution box trough can be adjusted and controlled according to the usage requirements, thereby producing distribution box troughs of various sizes and specifications. It breaks through the size limitations of traditional molds. At the same time, it can be quickly disassembled and assembled through a modular assembly structure, improving the mold turnover efficiency and bringing convenience to the precasting work of distribution box troughs. It effectively improves the use effect of this utility model.

[0040] like Figure 3 , Figure 7 , Figure 8 As shown, this embodiment also discloses a distribution box trough 8, which is prefabricated by pouring concrete from the aforementioned mold shell. It includes a main body 801, which is formed by a main cavity 101. The front end of the main body 801 has a receiving cavity 802 for installing an electricity meter. The receiving cavity 802 is formed by a core mold 4, and the receiving cavity 802 is formed after removing the core mold 4. The rear end of the receiving cavity 802 has a wire-passing hole 8021 for threading wires. The wire-passing hole 8021 is located inside the wire-passing sleeve 5. The main body 801 has an integrally formed support part 803 at its top. The support part 803 is formed by the auxiliary cavity 102. Both ends of the support part 803 extend to the outer sides of both ends of the main body 801. The support part 803 is provided with a longitudinally penetrating positioning through hole 8031. The positioning through hole 8031 ​​is formed inside the positioning sleeve. During installation, a pin 10 can be inserted into the wall 9 on both sides of the main body 801 through the positioning through hole 8031 ​​to improve the stability of the installation structure of the entire distribution box trough 8.

[0041] During the prefabrication process of the distribution box trough, a vibrator is needed to compact the concrete to remove air bubbles and improve the structural stability of the distribution box trough after it is formed. At the same time, the surface of the formed distribution box trough can be treated to form a high-density protective layer and improve its waterproof performance.

[0042] Prefabricated distribution box troughs allow for direct installation into walls at predetermined locations during construction. Meter boxes can then be placed directly within the trough's cavity, eliminating the need to cut grooves in the wall. Furthermore, the size and depth of the cavity can be precisely controlled to meet specific requirements, preventing secondary modifications during meter box installation and significantly improving installation efficiency and convenience. Additionally, the integrated support structure at the top of the trough's main body allows for... When the meter box trough is built into the wall, the two ends of the support can be supported on the wall structure on both sides of the main body, which can distribute the load-bearing capacity of the upper end of the main body to the two side walls, preventing the wall from crushing the main body and improving the service life of the distribution box trough. At the same time, the positioning through holes on both ends of the support can be used to connect the support to the top of the two side walls of the main body with pins, which improves the stability of the connection structure between the distribution box trough and the wall, prevents the distribution box trough from detaching from the wall, and effectively improves the use effect of the distribution box trough.

Claims

1. A precast mold for a concrete distribution box trough, comprising a mold shell, characterized in that: The mold shell has a top-opening structure. A main cavity is located at the front end of the mold shell, and an auxiliary cavity is located at the rear end. The front end of the auxiliary cavity is connected to the rear end of the main cavity. Both the main cavity and the auxiliary cavity are rectangular prisms, with the length of the auxiliary cavity greater than the length of the main cavity and their midlines coinciding. The bottom end of the main cavity has a longitudinally penetrating mounting hole that runs through the bottom end wall of the mold shell. The mounting hole is rectangular and a core mold is fixedly connected within it. The top of the core mold has a mounting protrusion that allows it to be detachably connected to a threaded sleeve. The auxiliary cavity contains symmetrically arranged positioning sleeves, with two positioning sleeves located on the outer sides of both ends of the main cavity. The positioning sleeves are connected to the side walls of the mold shell via positioning bolts.

2. The precast mold for concrete distribution box trough as described in claim 1, characterized in that: The core mold is in the shape of a rectangular prism, and the outer diameter of the core mold is adapted to the inner diameter of the mounting hole. The bottom edge of the core mold is provided with a fixing protrusion and is fixedly connected to the outer peripheral edge of the bottom of the mounting hole through the fixing protrusion. The top of the core mold extends into the main body cavity through the mounting hole. The center of the top of the core mold is integrally formed with a mounting protrusion, which is cylindrical and nested inside the bottom of the wire sleeve.

3. The precast mold for concrete distribution box trough as described in claim 2, characterized in that: The core mold is a hollow rubber component. A vent is provided at the bottom of the core mold, and an air connector is fixedly connected inside the vent and connected to an air pipeline through the air connector.

4. The precast mold for concrete distribution box trough as described in claim 1, characterized in that: The axial direction of the positioning sleeve is consistent with the width direction of the auxiliary cavity, and the length of the positioning sleeve is adapted to the inner diameter of the auxiliary cavity in the width direction.

5. The precast mold for concrete distribution box trough as described in claim 4, characterized in that: The length direction of the positioning bolt is consistent with the length direction of the positioning sleeve. The positioning bolt passes through the two end walls of the auxiliary cavity in the width direction and is threadedly connected to the positioning nut. The positioning sleeve is located in the auxiliary cavity and is sleeved on the outside of the positioning bolt.

6. The precast mold for concrete distribution box trough as described in claim 1, characterized in that: The mold housing is a detachable and assembleable structure; the mold housing includes a main housing, a front baffle, and a rear baffle. The front baffle is detachably connected to both sides of the front end of the main housing and forms the front end wall of the mold housing after connection. The rear baffle is connected to the positioning bolts set at the rear end of the main housing and forms the rear end wall of the mold housing after connection.

7. The precast mold for concrete distribution box trough as described in claim 6, characterized in that: The front baffle is rectangular, and its length matches the inner diameter of the main body cavity along its length. Connecting ears are integrally formed at the top of both ends of the front baffle along its length, and each connecting ear has a first connecting hole. The mounting hole is located at the bottom of the main housing. A number of second connecting holes, corresponding to the first connecting holes, are located at the top of the top of both side walls at the front of the main housing. These second connecting holes are all located in front of the mounting hole and are evenly spaced along the width of the main body cavity. The front baffle is embedded in the side walls at the front of the main housing, and the bottom end wall of the front baffle contacts the inner wall of the bottom of the front of the main housing. The first connecting hole on the connecting ear at the top of the front baffle is bolted to any corresponding second connecting hole.

8. The precast mold for concrete distribution box trough as described in claim 6, characterized in that: The rear baffle is rectangular, and its length matches the inner diameter of the auxiliary cavity along its length. The rear baffle is embedded in the side walls of the rear end of the main housing, and the bottom end wall of the rear baffle contacts the inner wall of the bottom of the rear end of the main housing. The rear baffle is symmetrically provided with first positioning holes, and the main housing is provided with second positioning holes corresponding to the first positioning holes. A positioning sleeve is provided between the first positioning holes and the second positioning holes. One end of the positioning bolt passes through the second positioning hole, the positioning sleeve, and the first positioning hole in sequence and is threaded to the positioning nut. The diameters of the first positioning hole and the second positioning hole are both smaller than the end face diameter of the positioning sleeve.

9. A distribution box trough prefabricated using a precast concrete distribution box trough mold as described in claim 6, characterized in that: The distribution box trough includes a main body, a receiving cavity for installing an electricity meter is provided at the front end of the main body, a wire-passing hole for threading wires is provided at the rear end of the receiving cavity, a support part is integrally formed at the top end of the main body, the two ends of the support part extend to the outer sides of the two ends of the main body, and a positioning through hole is provided on the support part.

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