Drinking water pipeline connecting device for engineering construction

Abstract

The utility model provides a drinking water pipeline connecting device for engineering construction, and relates to the field of pipeline connection. The flange connecting assembly comprises a first flange and a second flange, and the first flange and the second flange are fixedly connected to the outer portions of the opposite ends of the two drinking water pipelines respectively. Through cooperation of a locking plate, a locking ring and a locking tooth block, a hexagonal rotating block and a bolt can be effectively locked and limited, the situation that the bolt is loosened due to multiple factors such as pipeline vibration and temperature change is avoided, and therefore the stability and sealing performance of pipeline connection are improved, and the leakage accident of the drinking water pipeline is avoided; the problems that a traditional drinking water pipeline is generally connected through a flange during connection, bolts on the flange are prone to loosening due to various factors such as pipeline vibration and temperature change, and the stability and sealing performance of pipeline connection can be affected once the bolts on the flange are loosened are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline connection technical field especially, relates to a drinking water pipeline connecting device for engineering construction. BACKGROUND

[0002] Drinking water project is the engineering construction for meeting the demand of urban residents to clean drinking water and guaranteeing urban water supply safety, and drinking water project belongs to water conservancy and hydropower engineering. At present, a large amount of drinking water pipelines needs to be used in the construction process of drinking water project. When the drinking water pipelines are connected, drinking water pipeline connecting devices are used. The traditional drinking water pipelines are generally connected through flanges, and the bolts on the flanges are prone to loosening due to pipeline vibration, temperature change and various factors. Once the bolts on the flanges loosen, the stability and sealing performance of the pipeline connection are affected, which leads to the occurrence of drinking water pipeline leakage accidents. SUMMARY

[0003] The drinking water pipeline connecting device for engineering construction disclosed by the embodiment of the present application can effectively prevent the bolts from loosening due to pipeline vibration, temperature change and various factors through the cooperation of the locking plate, the locking ring and the locking tooth block, thereby improving the stability and sealing performance of the pipeline connection and avoiding the occurrence of drinking water pipeline leakage accidents.

[0004] In a first aspect, the present application provides a drinking water pipeline connecting device for engineering construction, which specifically comprises: a flange connection assembly; the flange connection assembly comprises a first flange and a second flange, the first flange and the second flange are fixedly connected to the outer portions of the opposite ends of two drinking water pipelines respectively; eight bolts are inserted into the first flange and the second flange in an annular array shape, and a hexagonal nut is threadedly connected to the outer left end of each bolt; eight locking rings are arranged on the right end face of the second flange in an annular array shape; locking tooth blocks are arranged on the inner circumferential surface of the locking ring in an annular array shape, and anti-skid stripes are arranged on the outer circumferential surface of the locking ring in an annular array shape.

[0005] In at least some embodiments, the flange connection assembly further comprises eight hexagonal cylinders and annular grooves, the eight hexagonal cylinders are fixedly connected to the left end face of the first flange in an annular array shape, and eight annular grooves are arranged on the right end face of the second flange in an annular array shape, and a threaded groove is arranged in the interior of each annular groove.

[0006] In at least some embodiments, a hexagonal rotating block is arranged on the right end of the bolt, and a limiting plate is fixedly connected to the exterior of the hexagonal rotating block.

[0007] In at least some embodiments, two rectangular grooves are formed in the right end face of the bolt, and two guide rods are fixedly connected inside each rectangular groove; one pinch plate is slidingly connected inside each rectangular groove outside the two guide rods, and a spring is sleeved outside each guide rod.

[0008] In at least some embodiments, one locking plate is fixedly connected to the left side of the back of each pinch plate, and the two locking plates penetrate the hexagonal rotating block.

[0009] In at least some embodiments, the left side of the outer circumferential surface of the locking ring is provided with threads, and the locking ring is connected with the annular groove through the threads; the tightening direction of the locking ring is counterclockwise, and the tightening direction of the bolt is clockwise.

[0010] In at least some embodiments, when the locking ring is in the locking and limiting state, the locking ring is located outside the locking plate, and the locking plate is located between the two adjacent locking tooth blocks.

[0011] The utility model provides a drinking water pipeline connecting device for engineering construction, has the following beneficial effects:

[0012] 1. Through the cooperation of the locking plate, the locking ring and the locking tooth block, when the bolt is tightened, the locking ring is counterclockwise tightened to the inside of the annular groove, after tightening, the two pinch plates are loosened, the locking plate is located between the two adjacent locking tooth blocks, so that the hexagonal rotating block and the bolt can be effectively locked and limited, the loosening of the bolt caused by pipeline vibration, temperature change and other factors is avoided, the stability and sealing performance of the pipeline connection are improved, and the leakage accident of the drinking water pipeline is avoided.

[0013] 2. Through the cooperation of the locking ring, the annular groove and the pinch plate, when the bolt needs to be counterclockwise loosened and removed, only the adjacent two pinch plates are pinched in the opposite direction at the same time, the two locking plates can be retracted into the hexagonal rotating block, at this time, the locking ring can be rotated clockwise, the locking ring is loosened and removed, then the bolt is counterclockwise loosened and removed, the problem that the bolt is difficult to disassemble is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings of the embodiments will be briefly introduced below.

[0015] The drawings described in the following description only relate to some embodiments of the utility model, and are not limited to the utility model.

[0016] In the drawings:

[0017] Figure 1 The structure schematic diagram of the first perspective of the application is shown.

[0018] Figure 2 The structural schematic diagram of the second perspective of the application is shown;

[0019] Figure 3 The structural schematic diagram of the second perspective of the application is shown;

[0020] Figure 4 The structural schematic diagram of the second perspective of the application is shown;

[0021] Figure 5 The structural schematic diagram of the second perspective of the application is shown;

[0022] Figure 6 The structural schematic diagram of the second perspective of the application is shown;

[0023] Figure 7 The structural schematic diagram of the second perspective of the application is shown; Figure 2 The structural schematic diagram of the second perspective of the application is shown;

[0024] List of reference signs

[0025] 1. Flange connection assembly; 101. First flange; 102. Second flange; 103. Hexagonal cylinder; 104. Annular groove;

[0026] 2. Drinking water pipeline;

[0027] 3. Hexagonal nut;

[0028] 4. Bolt; 401. Hexagonal rotating block; 402. Limiting plate; 403. Rectangular groove; 404. Pinching plate; 405. Locking plate; 406. Guide rod;

[0029] 5. Locking ring; 501. Locking tooth block. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] Embodiment one: please refer to Figures 1 to 7 :

[0032] The utility model provides a kind of drinking water pipeline connecting device for engineering construction, comprising: flange connection component 1;Flange connection component 1 includes first flange 101 and second flange 102, and first flange 101 and second flange 102 are fixedly connected at the opposite end of two drinking water pipes 2 respectively outside;Eight bolts 4 are inserted into first flange 101 and second flange 102 in annular array, and each bolt 4 is externally left end is connected with a hexagon nut 3 by thread;Eight locking rings 5 are arranged on the right end surface of second flange 102 in annular array;Locking ring 5 inner circumferential surface is provided with locking tooth block 501 in annular array, and locking ring 5 outer circumferential surface is provided with anti-skid stripe in annular array, improve the friction of people when twisting locking ring 5.

[0033] Flange connection component 1 further includes hexagonal cylinder 103 and annular groove 104, the number of hexagonal cylinder 103 is eight, and eight hexagonal cylinders 103 are fixedly connected in annular array on the left end surface of first flange 101, and eight annular grooves 104 are arranged on the right end surface of second flange 102 in annular array, and thread groove is arranged in each annular groove 104 for being connected with the thread on locking ring 5.

[0034] Hexagonal rotating block 401 is arranged at the right end of bolt 4, and limit plate 402 is fixedly connected outside hexagonal rotating block 401 for limiting wrench.

[0035] Two rectangular grooves 403 are arranged on the right end surface of bolt 4, and two guide rods 406 are fixedly connected in each rectangular groove 403, one pinch plate 404 is slidably connected in each rectangular groove 403 between two guide rods 406, and spring is sleeved outside each guide rod 406, so that pinch plate 404 has elasticity outward.

[0036] One locking plate 405 is fixedly connected on the left side of the opposite surface of two pinch plates 404, and two locking plates 405 penetrate through hexagonal rotating block 401;When locking ring 5 is in locking limiting state, locking ring 5 is located outside locking plate 405, and locking plate 405 is located between adjacent two locking tooth blocks 501, so that hexagonal rotating block 401 and bolt 4 can be locked and limited at this time.

[0037] In the embodiment one, as shown in Figure 1 And Figure 4 Thread is arranged on the left side of the outer circumferential surface of locking ring 5, and locking ring 5 is connected with annular groove 104 through thread;The tightening direction of locking ring 5 is counterclockwise, and the tightening direction of bolt 4 is clockwise, so that when bolt 4 loosens, bolt 4 will rotate counterclockwise, and when bolt 4 rotates counterclockwise, hexagonal rotating block 401 will rotate counterclockwise, and since the tightening direction of locking ring 5 is counterclockwise, the situation that hexagonal rotating block 401 and bolt 4 loosen counterclockwise is effectively avoided.

[0038] The working principle of the embodiment is as follows: when the two drinking water pipes 2 are connected, first, the first flange 101 and the second flange 102 are aligned, then the hexagonal nut 3 is placed inside the hexagonal cylinder 103, then the bolt 4 is threaded from right to left through the second flange 102 and the first flange 101, then the bolt 4 is screwed with the hexagonal nut 3, then the hexagonal rotating block 401 is rotated clockwise by a wrench, and the bolt 4 is rotated clockwise, so that the bolt 4 is tightened, and the first flange 101 and the second flange 102 are effectively fixed;

[0039] When the eight bolts 4 are all tightened, the eight locking rings 5 are tightened counterclockwise into the eight annular grooves 104, when the locking ring 5 is counterclockwise, the adjacent two pinch plates 404 are pinched in opposite directions, and the two locking plates 405 are retracted into the hexagonal rotating block 401, then the locking ring 5 is counterclockwise, until the locking ring 5 is tightened counterclockwise, when the locking ring 5 is tightened, the adjacent two pinch plates 404 are loosened, and then the adjacent two pinch plates 404 are extended outward under the spring force outside the guide rod 406, when the adjacent two pinch plates 404 are completely loosened, the locking plate 405 is located between the adjacent two locking tooth blocks 501, so that the hexagonal rotating block 401 and the bolt 4 can be effectively locked and limited, and the bolt 4 is prevented from loosening due to pipe vibration, temperature change and other factors.

[0040] In this paper, the following points need attention:

[0041] 1. The drawings of the embodiments of the present disclosure only involve the structures involved in the embodiments of the present disclosure, and other structures can refer to the usual design.

[0042] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined to obtain new embodiments.

[0043] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A drinking water pipeline connection device for engineering construction, comprising: Flange connection assembly (1); the flange connection assembly (1) includes a first flange (101) and a second flange (102), the first flange (101) and the second flange (102) are respectively fixedly connected to the opposite ends of two drinking water pipes (2); characterized in that eight bolts (4) are inserted in a ring array on the first flange (101) and the second flange (102), and a hexagonal nut (3) is threaded to the left end of each bolt (4); eight locking rings (5) are arranged in a ring array on the right end face of the second flange (102); locking teeth (501) are arranged in a ring array on the inner circumferential surface of the locking rings (5), and anti-slip stripes are arranged in a ring array on the outer circumferential surface of the locking rings (5).

2. The drinking water pipeline connection device for engineering construction according to claim 1, characterized in that: The flange connection assembly (1) further includes a hexagonal cylinder (103) and an annular groove (104). There are eight hexagonal cylinders (103), and the eight hexagonal cylinders (103) are fixedly connected to the left end face of the first flange (101) in an annular array. The right end face of the second flange (102) is provided with eight annular grooves (104) in an annular array, and each annular groove (104) is provided with a threaded groove inside.

3. The drinking water pipeline connection device for engineering construction according to claim 1, characterized in that: The right end of the bolt (4) is provided with a hexagonal swivel block (401), and the hexagonal swivel block (401) is externally fixedly connected to a limit plate (402).

4. A drinking water pipeline connection device for engineering construction according to claim 1, characterized in that: The bolt (4) has two rectangular grooves (403) on its right end face, and two guide rods (406) are fixedly connected inside each rectangular groove (403). A pinch plate (404) is slidably connected inside each rectangular groove (403) outside the two guide rods (406), and a spring is sleeved on the outside of each guide rod (406).

5. A drinking water pipeline connection device for engineering construction according to claim 4, characterized in that: A locking plate (405) is fixedly connected to the left side of each of the two pinch plates (404), and both locking plates (405) pass through the hexagonal rotating block (401).

6. A drinking water pipeline connection device for engineering construction according to claim 2, characterized in that: The locking ring (5) has a thread on the left side of its outer circumference, and the locking ring (5) is connected to the annular groove (104) through the thread; the tightening direction of the locking ring (5) is counterclockwise, and the tightening direction of the bolt (4) is clockwise.

7. A drinking water pipeline connection device for engineering construction according to claim 5, characterized in that: When the locking ring (5) is in the locking limit state, the locking ring (5) is located outside the locking plate (405), and the locking plate (405) is located between two adjacent locking teeth (501).

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