A combined prefabricated valve well and its construction method

Abstract

The application discloses a combined prefabricated valve well and a construction method thereof, which comprises an integrated well chamber, an adjusting ring and a well ring stacked in sequence from bottom to top, reserved pipe holes are formed in two ends of the integrated well chamber, pipe sleeves are arranged at the reserved pipe holes, and the side part of the integrated well chamber is provided with a first pouring cavity and a second pouring cavity which are distributed in a rectangular shape; the combined prefabricated valve well is assembled by the integrated well chamber, the adjusting ring and the well ring, industrial production is adopted, construction is more convenient, the construction period is shortened to a certain extent, the labor cost is greatly reduced, the engineering quality is higher than that of a traditional water well, the service life is greatly improved, the comprehensive benefits are higher, meanwhile, the integrated well chamber adopts a hollow structure, and the on-site assembly and pouring mode are adopted, so that the weight during assembly is reduced, and the problems of increasing construction amount due to assembly of a combined frame and increasing construction difficulty due to prefabrication are solved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field related to valve well, and particularly relates to a combined prefabricated valve well and a construction method thereof. BACKGROUND

[0002] The valve well or water meter well is a pit (or well) similar to a small room for the valve of the underground pipeline and underground pipeline (such as tap water, oil, natural gas pipeline, etc.) to facilitate opening and closing part of the pipeline operation or maintenance work when needed. The valve and water meter are installed and arranged in the pit, which is convenient for periodic inspection, cleaning and dredging of the pipeline, and is the hub of preventing pipeline blockage. The water meter well on the market is mainly a brick water meter well and a reinforced concrete water meter well. Although such water meter wells are cheap, they still have some shortcomings in service life. The freezing effect of the brick water meter well is general, the construction conditions and construction period are long, the service life is short, and the well body usually collapses in soil settlement or geological disasters. The cost of the reinforced concrete water meter well is relatively high, the construction conditions and construction period are long, and the construction is not convenient. The connection between the pipeline and the well body is a rigid connection, which cannot be uniformly settled, and the connection opening is easy to crack and cause gaps.

[0003] According to the search, the water meter well is disclosed in CN212458513U, which comprises a bottom plate, a combined frame and a top plate. The upper surfaces of the bottom plate and the combined frame are provided with clamping grooves. The lower surfaces of the combined frame and the top plate are integrally provided with clamping plates. The inner side surfaces of the bottom plate, the inner side surfaces of the combined frame and the side surfaces of the clamping plates are provided with fixed screw holes. The fixed screw holes are threadedly connected with fixed bolts. The upper surface of the top plate is symmetrically provided with two maintenance openings. The inner side surfaces of the maintenance openings are hingedly connected with cover plates. The lower surfaces of the cover plates are glued with sealing rubber rings. The combined prefabricated water meter well is composed of the bottom plate, the combined frame and the top plate through the clamping plates and the clamping grooves. The corresponding number of combined frames can be installed according to the actual depth requirement of the water meter well, so as to conveniently adjust the depth of the water meter well and improve the use flexibility. The water meter and the water inlet pipe can be conveniently maintained through the maintenance opening, which is easy to operate and convenient to use.

[0004] However, the above-mentioned water meter well technology still has the following problems: the above-mentioned water meter well is composed of a bottom plate, a combined frame and a top plate, and the corresponding number of combined frames are selected and assembled up and down according to the depth of the water meter well. When a water meter well with large depth is installed, multiple combined frames need to be assembled, which increases the construction amount. In addition, the bottom plate, the combined frame and the top plate are integrally prefabricated, which has a large weight during hoisting, increasing the construction difficulty. SUMMARY

[0005] The present application aims to provide a combined prefabricated valve well and a construction method thereof to solve the problems of increased construction amount due to combined frame assembly and increased construction difficulty due to prefabricated forming in advance in the background art.

[0006] To achieve the above object, the present application provides the following technical scheme: a combined prefabricated valve well, comprising an integrated well chamber, an adjusting ring and a well ring stacked in sequence from bottom to top, two ends of the integrated well chamber are provided with reserved pipe holes and pipe sleeves are sleeved at the reserved pipe holes, the side part of the integrated well chamber is provided with a first pouring cavity and a second pouring cavity distributed in a rectangular shape, corners of the top surface of the integrated well chamber are provided with connectors, corners of the bottom surface of the adjusting ring are provided with fasteners corresponding to the connectors.

[0007] The connector comprises a fixed disc fixed on the integrated well chamber, the fixed disc is provided with leakage holes communicated with the adjacent first pouring cavity and the second pouring cavity, the adjusting ring is provided with pouring holes corresponding to the leakage holes, the fixed disc is provided with a turning part capable of opening the leakage holes in cooperation with the fastener and a clamping part capable of locking the fastener driven by the turning part.

[0008] The fastener comprises a gland fixedly embedded on the bottom surface of the adjusting ring, the gland is slidably provided with a pressing part for pressing the turning part to drive the turning part to rotate.

[0009] Preferably, the turning part comprises a rotating disc, the middle part of the rotating disc is rotatably connected to the fixed disc through a rotating shaft and a torsional spring is clamped at the connection, the top surface of the rotating disc is fixedly provided with a cylinder in the middle part, the inner wall of the cylinder is provided with a spiral protrusion, and the bottom part of the rotating disc is fixedly provided with two gaskets corresponding to the two leakage holes.

[0010] Preferably, the clamping part comprises an arc-shaped bent rod, one end of the arc-shaped bent rod is hingedly connected to the fixed disc through a positioning shaft, the outer side of the end of the arc-shaped bent rod away from the positioning shaft is fixedly provided with a clamping strip, a connecting rod is arranged between the rotating disc and the arc-shaped bent rod, and the two ends of the connecting rod are respectively hingedly connected to the rotating disc and the arc-shaped bent rod.

[0011] Preferably, the bottom inner side of the gland is provided with an annular clamping groove capable of clamping the clamping strip, and the top of the gland is provided with an alignment hole vertically penetrating the pouring hole.

[0012] Preferably, the pressing part comprises a column, a pressing pin capable of abutting against the spiral protrusion when pressed is fixedly penetrated through the bottom of the column, a guide groove slidably matched with the gland is formed on the column surface of the column, a pressing disc is fixedly arranged in the middle part of the column, and the pressing disc is elastically connected to the gland through a spring.

[0013] The top of the two ends of the integrated well chamber and the adjusting ring is provided with a convex strip, and the bottom of the two ends of the adjusting ring and the well ring is provided with a groove matched with the convex strip.

[0014] Based on the combined prefabricated valve well, the application further provides a construction method of the valve well, comprising the following steps:

[0015] Step one, hoist the integrated well chamber into the valve well, so that the reserved port axis is consistent with the integrated well chamber axis;

[0016] Step two, hoist the adjusting ring on the integrated well chamber, so that the adjusting ring is consistent with the integrated well chamber axis, the gland cover is covered outside the fixed disc, the steering component rotates under the pressure of the pressing component, the clamping component is locked by the steering component in rotation, the leakage hole is avoided by the rotation of the steering component, and the pouring hole is communicated with the leakage hole;

[0017] Step three, install the pipe sleeve in the reserved pipe hole of the integrated well chamber, and then pour concrete into the first pouring cavity and the second pouring cavity through the pouring hole, so that the pipe sleeve is fixed in the reserved pipe hole after the concrete in the second pouring cavity solidifies;

[0018] Step four, after the integrated well chamber and the adjusting ring are embedded and fixed, the gap position of the embedded part is treated with M waterproof cement mortar;

[0019] Step five, hoist the well ring on the upper layer of the adjusting ring, and the embedded position of the well ring and the adjusting ring is treated with M waterproof cement mortar.

[0020] Compared with the prior art, the application provides a combined prefabricated valve well and a construction method thereof, which has the following beneficial effects:

[0021] 1. The integrated well chamber, the adjusting ring and the well ring are assembled to form the combined prefabricated valve well, which is produced industrially, convenient to construct, shortens the construction period, greatly reduces the labor cost, has higher engineering quality than the traditional water well, greatly improves the service life, has high comprehensive benefits, and the hollow structure of the integrated well chamber reduces the weight during assembly and solves the problems of increasing construction amount and increasing construction difficulty due to the prefabrication of the combined frame in the prior art;

[0022] 2. The connector is arranged on the integrated well chamber, the fastener corresponding to the connector is arranged on the adjusting ring, when the adjusting ring is hoisted on the integrated well chamber so that the adjusting ring is consistent with the integrated well chamber axis, the gland cover can be covered outside the fixed disc, the steering component rotates under the pressure of the pressing component, the clamping component is locked by the steering component in rotation, and the positioning assembly of the integrated well chamber and the adjusting ring is realized.

[0023] 3、The integrated well chamber and the positioning assembly of the adjusting ring are completed, the rotation of the turning part can avoid the leakage hole, the pouring hole is communicated with the leakage hole, and then the concrete slurry can be injected into the first pouring cavity and the second pouring cavity through the pouring hole, so that the steel mesh in the first pouring cavity and the second pouring cavity is solidified to form an integral whole, and the structural stability of the well chamber is improved;

[0024] 4、The rotating disc in the application is in the initial state under the elastic force of the torsional spring, so that the gasket is in the position above the leakage hole, and the leakage hole is blocked to prevent the leakage hole from being blocked by sundries, and the two arc-shaped bending rods are in the state of shrinking to the center of the fixed disc under the pulling of the connecting rod, and then the gland cover avoids the fixed disc outside, so as to facilitate the subsequent positioning and installation. BRIEF DESCRIPTION OF DRAWINGS

[0025] The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of the specification, illustrate embodiments of the application and are used to explain the application, and do not constitute a limitation on the application, in the drawings:

[0026] Figure 1 A combined prefabricated valve well according to the application is shown in the assembled state;

[0027] Figure 2 A combined prefabricated valve well according to the application is shown in the exploded state;

[0028] Figure 3 A combined prefabricated valve well according to the application is shown in the exploded state from another perspective;

[0029] Figure 4 A combined prefabricated valve well according to the application is shown in the exploded state from another perspective;

[0030] Figure 5 A combined prefabricated valve well according to the application is shown in the exploded state from another perspective;

[0031] Figure 6 A combined prefabricated valve well according to the application is shown in the exploded state from another perspective;

[0032] Figure 7 A combined prefabricated valve well according to the application is shown in the exploded state from another perspective;

[0033] Figure 8 A combined prefabricated valve well according to the application is shown in the exploded state from another perspective;

[0034] Figure 9 A combined prefabricated valve well according to the application is shown in the exploded state from another perspective;

[0035] In the figure: 1, integrated well chamber; 11, reserved pipe hole; 12, convex strip; 13, first pouring cavity; 14, second pouring cavity; 2, adjusting ring; 21, groove; 22, pouring hole; 3, well ring; 4, pipe sleeve; 5, connector; 51, fixing disc; 52, turning part; 521, rotating disc; 522, torsional spring; 523, cylinder; 524, helical protrusion; 525, gasket; 53, clamping part; 531, arc-shaped bending rod; 532, positioning shaft; 533, connecting rod; 534, clamping strip; 54, leakage hole; 6, fastener; 61, gland; 611, annular clamping groove; 612, alignment hole; 62, top pressing part; 621, column body; 622, pressing pin; 623, guide groove; 624, pressing disc; 625, spring. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0037] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the present application provides a technical solution: a combined prefabricated valve well, comprising an integrated well chamber 1, an adjusting ring 2 and a well ring 3 stacked in order from bottom to top, the two ends of the integrated well chamber 1 are provided with reserved pipe holes 11, and the reserved pipe holes 11 are provided with pipe sleeves 4, the side of the integrated well chamber 1 is provided with first pouring cavities 13 and second pouring cavities 14 distributed in a rectangular shape, the distribution mode of the first pouring cavities 13 and the second pouring cavities 14 can refer to Figure 4 and Figure 5 , the first pouring cavities 13 and the second pouring cavities 14 are provided with steel mesh in advance before prefabrication and molding, the top corners of the integrated well chamber 1 are provided with connectors 5, and the bottom corners of the adjusting ring 2 are provided with fasteners 6 corresponding to the connectors 5.

[0038] Please refer to Figure 6 and Figure 7, the connector 5 includes a fixed disc 51 fixed to the integrated well chamber 1, the fixed disc 51 is provided with a leakage hole 54 communicated with the adjacent first pouring cavity 13 and the second pouring cavity 14, the adjusting ring 2 is provided with a pouring hole 22 corresponding to the leakage hole 54, the fixed disc 51 is provided with a steering component 52 capable of opening the leakage hole 54 in cooperation with the fastener 6 and a clamping component 53 capable of locking the fastener 6 under the drive of the steering component 52, the steering component 52 includes a rotating disc 521, the middle part of the rotating disc 521 is rotatably connected with the fixed disc 51 through a rotating shaft and a torsional spring 522 is clamped at the connecting position, the top surface of the rotating disc 521 is fixedly provided with a cylinder 523, the inner wall of the cylinder 523 is provided with a spiral protrusion 524, the bottom of the rotating disc 521 is fixedly provided with a sealing pad 525 corresponding to the two leakage holes 54, the clamping component 53 includes an arc-shaped bent rod 531, one end of the arc-shaped bent rod 531 is hingedly connected to the fixed disc 51 through a positioning shaft 532, the outer side of the end of the arc-shaped bent rod 531 away from the positioning shaft 532 is fixedly provided with a clamping strip 534, a connecting rod 533 is arranged between the rotating disc 521 and the arc-shaped bent rod 531, the two ends of the connecting rod 533 are respectively hingedly connected with the rotating disc 521 and the arc-shaped bent rod 531, in the initial state, the rotating disc 521 is driven by the elastic force of the torsional spring 522 to make the sealing pad 525 be located above the leakage hole 54, so as to prevent the leakage hole 54 from being blocked by sundries, and the two arc-shaped bent rods 531 are in the state of being contracted to the center of the fixed disc 51 under the pulling of the connecting rod 533.

[0039] Please refer to Figure 8 and Figure 9 , the fastener 6 includes a pressure cover 61 fixedly embedded in the bottom surface of the adjusting ring 2, the pressure cover 61 is slidably provided with a pressing component 62 for pressing the steering component 52 to drive the steering component 52 to rotate, the bottom inner side of the pressure cover 61 is provided with an annular clamping groove 611 capable of clamping the clamping strip 534, the top of the pressure cover 61 is provided with an alignment hole 612 communicated with the pouring hole 22, the pressing component 62 includes a column 621, the bottom of the column 621 is fixedly provided with a pressing pin 622 capable of abutting against the spiral protrusion 524 when pressed, the column surface of the column 621 is provided with a guide groove 623 slidably matched with the pressure cover 61, the middle part of the column 621 is fixedly provided with a pressure disc 624, the pressure disc 624 is elastically connected with the pressure cover 61 through a spring 625, when the adjusting ring 2 is placed on the integrated well chamber 1, the pressure cover 61 is sleeved outside the fixed disc 51, the column 621 is inserted into the cylinder 523, the spiral protrusion 524 in the cylinder 523 is pressed by the pressing pin 622 at the bottom of the column 621, so as to make the rotating disc 521 rotate clockwise against the elastic force of the torsional spring 522, and the arc-shaped bent rod 531 is pushed by the connecting rod 533 to make the two arc-shaped bent rods 531 press against the inner wall of the pressure cover 61.

[0040] Please refer to Figure 2 and Figure 3The integrated well chamber 1 and the two ends of the adjusting ring 2 are provided with protrusions 12, and the two ends of the adjusting ring 2 and the well ring 3 are provided with grooves 21 matched with the protrusions 12, so that the integrated well chamber 1 and the adjusting ring 2 and the well ring 3 are embedded from top to bottom, and the axes of the integrated well chamber 1, the adjusting ring 2 and the well ring 3 are consistent.

[0041] Based on the combined prefabricated valve well, the embodiment further provides a valve well construction method, including the following steps.

[0042] Step one, hoist the integrated well chamber 1 into the valve well, so that the reserved port axis is consistent with the axis of the integrated well chamber 1;

[0043] Step two, hoist the adjusting ring 2 on the integrated well chamber 1, so that the adjusting ring 2 is consistent with the axis of the integrated well chamber 1, the gland 61 is covered on the outside of the fixed disc 51, the steering component 52 is rotated under the pressure of the top pressure component 62, the clamping component 53 is locked by the steering component 52 in rotation to avoid the leakage hole 54, so that the pouring hole 22 is in communication with the leakage hole 54 from top to bottom;

[0044] Step three, install the pipe sleeve 4 in the reserved pipe hole 11 of the integrated well chamber 1, and then pour concrete into the first pouring cavity 13 and the second pouring cavity 14 through the pouring hole 22, and the pipe sleeve 4 is fixed in the reserved pipe hole 11 after the concrete in the second pouring cavity 14 is solidified;

[0045] Step four, after the integrated well chamber 1 and the adjusting ring 2 are embedded and fixed from top to bottom, the gap position of the embedded part is treated with M10 waterproof cement mortar;

[0046] Step five, hoist the well ring 3 on the upper layer of the adjusting ring 2, and treat the embedded position of the well ring 3 and the adjusting ring 2 with M10 waterproof cement mortar.

[0047] The detailed process in step two is as follows: in the initial state, the rotating disc 521 is above the leakage hole 54 under the elastic force of the torsion spring 522, so as to block the leakage hole 54 to prevent foreign matters from blocking the leakage hole 54, and the two arc-shaped bending rods 531 are in the state of shrinking to the center of the fixed disc 51 under the pulling of the connecting rod 533, so as to avoid the covering of the gland 61 on the outside of the fixed disc 51.

[0048] When the adjusting ring 2 is placed on the integrated well chamber 1, the cover 61 covers the outside of the fixing disc 51, the column 621 is inserted into the cylinder 523, the spiral protrusion 524 in the cylinder 523 is pressed by the pressing pin 622 at the bottom of the column 621, the rotating disc 521 is rotated clockwise against the elastic force of the torsion spring 522, the two arc-shaped bending rods 531 press on the inner wall of the cover 61 by the arc-shaped bending rod 531 pushed by the connecting rod 533, the spring 625 is gradually compressed as the height of the adjusting ring 2 is lowered, when the adjusting ring 2 is completely placed on the integrated well chamber 1, the height position of the annular clamping groove 611 just falls to the height position of the clamping strip 534, the arc-shaped bending rod 531 is expanded outward under the elastic force of the spring 625, the clamping strip 534 is clamped in the annular clamping groove 611, and the two leakage holes 54 are avoided by the two sealing pads 525 at the bottom of the rotating disc 521, so that the pouring hole 22 is in communication with the leakage hole 54.

[0049] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A combined prefabricated valve well, characterized in that: The invention comprises an integrated well chamber (1), an adjustment ring (2) and a well ring (3) stacked in sequence from bottom to top, wherein both ends of the integrated well chamber (1) are provided with reserved pipe holes (11) and the reserved pipe holes (11) are sleeved with pipe sleeves (4), the edges of the integrated well chamber (1) are provided with a first pouring cavity (13) and a second pouring cavity (14) distributed in a rectangular shape, connectors (5) are provided at the four corners of the top surface of the integrated well chamber (1), and fasteners (6) corresponding to the connectors (5) are provided at the four corners of the bottom surface of the adjustment ring (2); The connector (5) includes a fixed disk (51), the fixed disk (51) is fixed to the integrated well chamber (1), a leak hole (54) communicating with the adjacent first casting cavity (13) and the second casting cavity (14) is provided on the fixed disk (51), a casting hole (22) corresponding to the leak hole (54) is provided through the adjusting ring (2), and a steering component (52) capable of opening the leak hole (54) in cooperation with the fastener (6) and a holding component (53) driven by the steering component (52) to lock the fastener (6) are provided on the fixed disk (51); The fastener (6) includes a pressure cover (61), the pressure cover (61) is fixedly embedded in the bottom surface of the adjustment ring (2), and a pressing component (62) is slidably provided in the pressure cover (61) for pressing the steering component (52) to drive the steering component (52) to rotate; The steering component (52) includes a rotating disk (521), the middle portion of the rotating disk (521) is rotatably connected to the fixed disk (51) via a rotating shaft, and a torsion spring (522) is clamped at the connection. A cylinder (523) is fixed at the middle portion of the top surface of the rotating disk (521), and a spiral protrusion (524) is provided on the inner wall of the cylinder (523). Seals (525) corresponding to the two leakage holes (54) are fixed on both sides of the bottom of the rotating disk (521). The holding component (53) includes an arc-shaped curved rod (531), one end of the arc-shaped curved rod (531) is hinged to the fixed disk (51) through a positioning shaft (532), a clamping strip (534) is fixed to the outer side surface of one end of the arc-shaped curved rod (531) away from the positioning shaft (532), a connecting rod (533) is provided between the rotating disk (521) and the arc-shaped curved rod (531), and both ends of the connecting rod (533) are hinged to the rotating disk (521) and the arc-shaped curved rod (531), respectively. An annular clamping groove (611) capable of being engaged with the clamping strip (534) is provided on the inner side of the bottom of the pressure cover (61), and a positioning hole (612) is provided on the top of the pressure cover (61) that is vertically connected to the casting hole (22); The pressing component (62) comprises a column (621), and a pressing pin (622) is fixedly passed through the bottom of the column (621) and is capable of coming into contact with the spiral protrusion (524) when pressed downward.

2. The combined prefabricated valve well according to claim 1, characterized in that: The tops of both ends of the integrated well chamber (1) and the adjustment ring (2) are provided with convex strips (12), and the bottoms of both ends of the adjustment ring (2) and the well ring (3) are provided with grooves (21) that match the convex strips (12).

3. The combined prefabricated valve well according to claim 1, characterized in that: A guide groove (623) for slidingly engaging with the pressure cover (61) is provided on the cylindrical surface of the column (621). A pressure plate (624) is fixed in the middle of the column (621). The pressure plate (624) is elastically connected to the pressure cover (61) via a spring (625).

4. The construction method of a combined prefabricated valve well according to claim 1, characterized in that: The following steps are involved: Step 1: hoist the integrated well chamber (1) into the valve well so that the axis of the reserved opening is aligned with the axis of the integrated well chamber (1); Step 2: hoist the adjustment ring (2) onto the integrated well chamber (1) so that the axis of the adjustment ring (2) and the integrated well chamber (1) are aligned, the pressure cover (61) is covered on the outside of the fixed plate (51), the steering component (52) rotates under the pressure of the top pressure component (62), and the rotating steering component (52) pushes the holding component (53) to lock the pressure cover (61). At the same time, the rotation of the steering component (52) avoids the leakage hole (54), so that the casting hole (22) and the leakage hole (54) are connected up and down; Step three, inserting the pipe sleeve (4) into the reserved pipe hole (11) of the integrated well chamber (1), and then pouring concrete into the first pouring cavity (13) and the second pouring cavity (14) through the pouring hole (22); after the concrete in the second pouring cavity (14) solidifies, the pipe sleeve (4) is fixed in the reserved pipe hole (11); Step 4: After the integrated well chamber (1) and the adjustment ring (2) are fixed together, the gap between the two parts is treated with M10 waterproof cement slurry; Step five: hoist the well ring (3) on the upper layer of the adjustment ring (2), and treat the fitting position of the well ring (3) and the adjustment ring (2) with M10 waterproof cement slurry.

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