Prefabricated connecting device for water supply and drainage pipeline

Abstract

The utility model discloses a water supply and drainage pipeline prefabrication connecting device which comprises a protective shell, rectangular frames, a center cylinder and a sealing ring, the left end and the right end of the center cylinder are fixedly connected with the rectangular frames, and the upper surface, the lower surface, the front surface and the rear surface of each rectangular frame penetrate through and are in threaded connection with first screw rods. The ends, penetrating through the rectangular frame, of the first screws are rotationally connected with supporting plates through bearings, an annular groove is formed in the inner side of the center cylinder, a sealing ring is movably connected to the inner side of the annular groove, and the outer side wall of the center cylinder is in circumferential array penetrating and threaded connection with a plurality of second screws. One end, penetrating through the central cylinder, of the screw rod is rotationally connected with an extrusion plate through a bearing; the extrusion plate is in contact with the sealing ring; the supporting plates in the four directions are arranged on the rectangular frame to restrain the pipeline, the distance can be freely adjusted to adapt to pipelines of different sizes, meanwhile, the sealing rings are arranged to seal the connecting positions, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline connection technical field, concretely is a water supply and drainage pipeline prefabricated connecting device. BACKGROUND

[0002] In prefabricated building, since the pipeline needs to be prefabricated in the factory and quickly installed on site, the prefabricated connecting device becomes the first choice, which can ensure the accurate manufacturing of the pipeline in the factory and the quick and accurate connection of the pipeline together on site through the prefabricated connecting device, thereby shortening the construction period.

[0003] Patent No. CN 221004181 U discloses a water supply and drainage pipeline prefabricated connecting device for fabricated building, which can quickly connect the water pipe through the cooperation of the connecting sleeve and the cover plate, and the relevant personnel can install and disassemble it more conveniently, saving a lot of time. The sealing gasket can prevent water from flowing out of the connection, and the ball can protect the water pipe when connecting the water pipe and the drainage pipeline prefabricated connecting device, preventing the water pipe from being damaged. The second clamping groove and the second clamping block can be connected to the drainage pipeline prefabricated connecting device when multiple water pipes need to be connected, without occupying a large area.

[0004] However, in use, it has the following defects:

[0005] Although the ball is used to protect the water pipe, the ball is arranged on the inner wall of the sleeve, which means that the ball will occupy part of the space inside the sleeve, and the size of the pipeline will be smaller than the inner diameter of the sleeve, which will cause a gap between the pipeline and the sleeve. Therefore, the pipeline may slightly shake and shift during use, affecting the stability and sealing effect of the pipeline. Therefore, a new technical solution is needed to solve this problem. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a water supply and drainage pipeline prefabricated connecting device, which solves the problem of the gap between the pipeline and the sleeve caused by the ball, which may cause the pipeline to slightly shake and shift during use, affecting the stability and sealing effect of the pipeline.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a water supply and drainage pipeline prefabricated connecting device, including protection shell, rectangle frame, center cylinder and sealing ring, both ends of center cylinder are fixedly connected with rectangle frame, the upper and lower front and back surfaces of rectangle frame all are penetrated and are connected with screw rod no.

[0008] In this technical scheme, according to the size of pipeline, twist screw rod no. to drive support plate to move, adjust the position of four support plates, so that four support plates can be attached to the outer wall of pipeline from four directions and be constrained, so that the pipeline remains stable and does not shake, and can adapt to the pipeline insertion of different gears, so the adaptability is higher, in the process of two side pipeline insertion, attach to sealing ring, because sealing ring has elasticity, so the connection of two pipelines is wrapped by sealing ring, sealing ring can adapt to the pipeline of different sizes, at this moment, screw rod no. can be twisted to drive extruding plate to move towards sealing ring, and extruding plate will exert extruding force to sealing ring, so that sealing ring is more attached and extruded to the connection of pipeline, so that the sealing effect is better.

[0009] Preferably, the top end and the bottom of the rectangle frame are provided with a slot on the front and back sides, and the inner wall of the protection shell is fixedly connected with four insertion strips, and the insertion strips are slidably connected with the rectangle frame through the slot.

[0010] Preferably, the support plates on both sides of the screw rod no. are fixedly connected with slide rods on the surfaces, and the ends of the slide rods towards the inner wall of the rectangle frame penetrate the surface of the rectangle frame.

[0011] Preferably, the surface of the support plate towards the center of the rectangle slot is provided with a center slot.

[0012] Preferably, the outer wall of the rectangle frame at the horizontal position of the slot is threadedly connected with a fixing bolt, and the surface of the screw rod no. at the inner side of the rectangle frame is threadedly sleeved with a fixing nut.

[0013] Preferably, the opening edge of the rectangle frame is provided with a scale line.

[0014] Compared with the prior art, the utility model has the beneficial effects as follows:

[0015] 1. The utility model discloses a rectangular frame, a screw rod and support plate can be constrained to the pipeline, according to the size of the pipeline twist one screw rod drive support plate and move, adjust the position of four support plates, make four support plates can from four directions adhere to the outer wall of the pipeline and be constrained, make the pipeline keep in the central stability of the rectangular frame and do not shake, and can adapt to the pipeline of different gear insertion, therefore, the adaptability is stronger.

[0016] 2. The utility model discloses a center cylinder, sealing washer extrusion plate can seal the pipeline connection, the process of two -sided pipeline insertion, adhere in the sealing washer, because sealing washer has elasticity, therefore, the connection of two pipelines will be wrapped by sealing washer, and sealing washer can adapt to the pipeline of different size, at this moment, can twist second screw rod drive extrusion plate and move to sealing washer, and extrusion plate will extrude sealing washer, thereby make sealing washer more adhere and extrude the pipeline connection, make the sealing effect better, improve the practicality of device. DRAWINGS

[0017] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:

[0018] Figure 1 It is the overall view of the utility model;

[0019] Figure 2 It is the internal structure schematic view of the utility model;

[0020] Figure 3 It is the overall cross section schematic view of the utility model;

[0021] Figure 4 It is the cross section schematic view of the sealing washer of the utility model.

[0022] In the drawing: 1, protective housing;2, insert strip;201, fixed bolt;3, rectangular frame;301, slot;302, scale line;4, center cylinder;401, annular groove;5, support plate;501, center groove;6, screw rod;601, fixed nut;7, slide bar;8, sealing washer;9, extrusion plate;10, second screw rod. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative characteristics, reach the purpose and the function of the utility model easy to understand, the following specific implementation mode is further elaborated.

[0024] A kind of water supply and drainage pipeline prefabricated connecting device, refer to Figures 1 to 4The utility model relates to a pipe fixing device, including protective housing 1, rectangular frame 3, center cylinder 4 and sealing ring 8, both ends of center cylinder 4 are fixedly connected with rectangular frame 3, the upper and lower front and back surfaces of rectangular frame 3 are all through and are screw -threaded with no. Screw rod 6, one end of no. Screw rod 6 passes through the bearing rotation connection of rectangular frame 3 and is connected with support plate 5, and the support plate 5 is moved by twisting no. Screw rod 6, four support plates 5 can be pasted from four directions to the outer wall of pipeline and are restricted, make the pipeline keep stable and do not shake, can be suitable for the pipeline insertion of different gear wheel, therefore, the adaptability is stronger.

[0025] The inner side of center cylinder 4 is provided with annular groove 401, the inner side of annular groove 401 is movably connected with sealing ring 8, the outer wall of center cylinder 4 is through and is screw -threaded with a plurality of no. Screw rod 10 in circumferential array, one end of no. Screw rod 10 passes through the bearing rotation connection of center cylinder 4 and is connected with extrusion plate 9, and extrusion plate 9 is in contact with sealing ring 8, and the connecting place of two pipelines is wrapped by sealing ring 8, and sealing ring 8 can adapt to the pipeline of different sizes, then extrusion plate 9 is extruded to sealing ring 8 by twisting no. Screw rod 10, make sealing ring 8 more pasting and extruding the connecting place of pipeline, and the sealing effect is better.

[0026] Specifically, as shown in Figure 1 And Figure 2 The top and bottom of rectangular frame 3 are provided with insertion slot 301 on the front and back sides, the inner wall of protective housing 1 is fixedly connected with four insertion strips 2, the insertion strip 2 is slidably connected with the rectangular frame 3 through the insertion slot 301, the protective housing 1 can be slid into the surface of the rectangular frame 3 through the insertion slot 301, thereby shielding the rectangular frame 3 and the center cylinder 4 from the outside, and playing a certain protection role.

[0027] It is worth mentioning that, as shown in Figure 3 The surface of the support plate 5 on both sides of the no. Screw rod 6 is fixedly connected with the slide rod 7, one end of the slide rod 7 towards the inner wall of the rectangular frame 3 penetrates the surface of the rectangular frame 3, the slide rod 7 can limit the angle of the support plate 5, so that the support plate 5 always maintains the vertical state with the no. Screw rod 6, and avoids the deviation affecting the constraint of the pipeline.

[0028] It is worth mentioning that, as shown in Figure 3 The surface of the support plate 5 towards the central part of the rectangular slot is provided with a center slot 501, the cross section of the center slot 501 is an isosceles triangle, which can more conveniently constrain and fix the circular pipeline at the edge, thereby increasing the stability.

[0029] It is worth mentioning that, as shown in Figure 1 And Figure 2As shown, the rectangular frame 3 is horizontally positioned, and the outer wall of the rectangular frame 3 is screwed with a fixing bolt 201, and the surface of the inner side of the rectangular frame 3 is screwed with a fixing nut 601, and the first screw rod 6 is temporarily unable to be twisted out of the rectangular frame 3 after the fixing nut 601 is tightened, so that the support plate 5 is fixed at the current position, thereby stably providing support and constraint to the pipeline.

[0030] It is worth mentioning that, as Figure 2 As shown, the opening edge of the rectangular frame 3 is provided with a scale line 302, the scale line 302 facilitates adjustment of the length of the first screw rod 6, so that the distance from each support plate 5 to the center of the rectangular frame 3 is consistent, thereby allowing the pipeline to be kept in the center of the rectangular frame 3.

[0031] In actual use, the position of the four support plates 5 is adjusted according to the size of the pipeline, so that the four support plates 5 can be attached to the outer wall of the pipeline from four directions and constrained, so that the pipeline can be kept stable and not shaken, and then the pipeline is inserted, and since the pipeline can be inserted into different gear pipes, the adaptability is high; during the process of inserting the two pipelines, the sealing ring 8 is contacted and attached, and since the sealing ring 8 is elastic, the connection part of the two pipelines is wrapped by the sealing ring 8, and the sealing ring 8 can adapt to different sizes of the pipeline, and then the second screw rod 10 is twisted to drive the pressing plate 9 to move towards the sealing ring 8, so that the pressing plate 9 exerts a pressing force on the sealing ring 8, so that the sealing ring 8 is more attached and pressed to the connection part of the pipeline, so that the sealing effect is better, and the practicability of the device is improved.

[0032] In addition, the components of the utility model are all general standard components or components known by those skilled in the art, the structure and principle of which can be known by the technical personnel through a technical manual or through a conventional experimental method, and the technical personnel in the art can completely realize it without further description, and the content protected by the utility model does not involve improvement of the internal structure and method.

[0033] The embodiments of the utility model disclose preferred embodiments, but are not limited thereto, and those skilled in the art can easily understand the spirit of the utility model according to the above-mentioned embodiments, and make different inferences and changes, but as long as it does not deviate from the spirit of the utility model, it is within the protection scope of the utility model.

Claims

1. A prefabricated connection device for water supply and drainage pipes, comprising a protective housing (1), a rectangular frame (3), a central cylinder (4) and a sealing ring (8), characterized in that: The left and right ends of the central cylinder (4) are fixedly connected to a rectangular frame (3); the upper and lower front and rear surfaces of the rectangular frame (3) are penetrated and threadedly connected to a No. 1 screw (6); one end of the No. 1 screw (6) passes through the rectangular frame (3) and is rotatably connected to a support plate (5) through a bearing; an annular groove (401) is provided on the inner side of the central cylinder (4); a sealing ring (8) is movably connected to the inner side of the annular groove (401); the outer wall of the central cylinder (4) is penetrated and threadedly connected to a number of No. 2 screws (10) in a circular array; one end of the No. 2 screw (10) passes through the central cylinder (4) and is rotatably connected to an extrusion plate (9) through a bearing; the extrusion plate (9) is in contact with the sealing ring (8).

2. A prefabricated connection device for water supply and drainage pipes according to claim 1, characterized in that: Slots (301) are provided on the front and rear sides of the top and bottom of the rectangular frame (3); four inserts (2) are fixedly connected to the inner side wall of the protective shell (1); and the inserts (2) are slidably connected to the rectangular frame (3) through the slots (301).

3. A prefabricated connection device for water supply and drainage pipes according to claim 1, characterized in that: The surfaces of the support plates (5) on both sides of the No. 1 screw (6) are fixedly connected with sliding rods (7), and one end of the sliding rod (7) facing the inner wall of the rectangular frame (3) penetrates the surface of the rectangular frame (3).

4. A prefabricated connection device for water supply and drainage pipes according to claim 1, characterized in that: The support plate (5) is provided with a central groove (501) on a surface facing the inner center of the rectangular groove.

5. A prefabricated connection device for water supply and drainage pipes according to claim 2, characterized in that: The outer wall of the rectangular frame (3) at the horizontal position of the slot (301) is threadedly connected with a fixing bolt (201), and the surface of the No. 1 screw rod (6) located at the inner part of the rectangular frame (3) is threadedly sleeved with a fixing nut (601).

6. A prefabricated connection device for water supply and drainage pipes according to claim 1, characterized in that: A scale mark (302) is provided at the opening edge of the rectangular frame (3).

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