Water pipe connecting device of non-negative pressure water supply equipment

Abstract

The utility model belongs to the technical field of non-negative pressure water supply equipment, and discloses a water pipe connecting device of non-negative pressure water supply equipment, which comprises a fixed seat I and a fixed seat II, water pipe connecting seats are fixedly welded on the outer sides of the fixed seat I and the fixed seat II, and connecting holes are formed in the center positions of one sides of the pair of water pipe connecting seats in a penetrating manner; four sets of sliding grooves are formed in the positions, around the connecting holes, of the outer side of the water pipe connecting base at equal intervals, four sets of extension plates are mounted on the water pipe connecting base through the four sets of sliding grooves, and mounting bases are arranged on the sides, away from the sliding grooves, of the outer end faces of the four sets of extension plates; a mounting groove is formed in the outer end of the mounting seat. According to the device, the connection stability between the two water pipes in the non-negative-pressure water supply equipment is greatly improved, and the situation that when the two water pipes are impacted by water flow, bolts on the flange plates are loosened, the sealing performance between the water pipes fails, and even the connection of the two water pipes is disengaged is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of non-negative pressure water supply equipment, and more specifically, particularly relates to a water pipe connecting device for non-negative pressure water supply equipment. Background Art

[0002] Non-negative pressure water supply equipment is a pressurized water supply unit that is directly connected to the municipal water supply network and supplies water in series based on the residual pressure of the municipal network to ensure that the pressure of the municipal network is not less than the set protection pressure. It is a secondary pressurized water supply equipment.

[0003] The core of the pipe network superposition (non-negative pressure) water supply equipment is how to prevent the generation of negative pressure during the operation of the secondary pressurized water supply system, eliminate the impact of the unit operation on the municipal pipe network, and achieve safe, reliable and stable water supply without affecting the water use of nearby users.

[0004] At present, water pipes in non-negative pressure water supply equipment are usually directly connected through flanges. However, during long-term use, the bolts on the flanges of the two water pipes are easily loosened under the impact of water flow, resulting in failure of the sealing between the water pipes and even the connection between the two water pipes falling off.

[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and a water pipe connecting device for negative pressure water supply equipment is provided, in order to achieve a more practical purpose. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a water pipe connection device for non-negative pressure water supply equipment, which is achieved by the following specific technical means:

[0007] A water pipe connecting device for non-negative pressure water supply equipment comprises a fixing seat 1 and a fixing seat 2, the outer sides of the fixing seat 1 and the fixing seat 2 are fixedly welded with water pipe connecting seats, a pair of connecting holes are penetrated at the center position of one side of the water pipe connecting seats, and one side of a pair of connecting holes respectively penetrates the fixing seat 1 and the fixing seat 2, the outer side of the water pipe connecting seat is provided with four groups of slide grooves at equal distances around the connecting holes, the water pipe connecting seat is installed with four groups of extension plates through the four groups of slide grooves, the outer end surfaces of the four groups of extension plates are provided with mounting seats on the side away from the slide groove, the outer end of the mounting seat is provided with a mounting groove, the interior of the mounting groove is embedded with a threaded groove, and the internal thread of the locking data threaded groove is connected to a threaded rod, the inner end surfaces of the four groups of extension plates are provided with grooves on the side away from the slide groove, and the interior of the four groups of grooves are provided with clamping blocks.

[0008] Furthermore, a slider is slidably connected inside the slide groove, and the slider is fixedly connected to the extension plate at one side close to the opening of the slide groove.

[0009] Furthermore, one end of the threaded groove is communicated with the groove, and one end of the threaded rod is rotatably connected to one end of the clamping block.

[0010] Furthermore, the threaded rod is fixedly connected with a hexagonal adjusting head at one end close to the outside of the mounting seat, and the outer wall size of the hexagonal adjusting head is smaller than the inner wall size of the mounting groove and larger than the inner wall size of the threaded groove.

[0011] Furthermore, a plurality of mounting holes are provided at equal distances on the outer sides of the fixing seat 1 and the fixing seat 2 around the water pipe connecting seat.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model discloses a water pipe connecting device for a non-negative pressure water supply device. A fixing seat 1 and a fixing seat 2 can be installed on the outer sides of two water pipe connecting flanges through a plurality of mounting holes. At the same time, four groups of extension plates can be pulled out from the outer sides of the water pipe connecting seats respectively through the coordinated use of a slide groove and a sliding block. The threaded rod is driven to rotate downward in the threaded groove by rotating four groups of inner hexagonal adjusting heads in sequence, thereby driving four groups of clamping blocks to move downward to clamp and fix the outer wall of the water pipe, thereby greatly improving the connection stability between the two water pipes in the non-negative pressure water supply device and avoiding the loosening of the bolts on the flanges of the two water pipes under the impact of the water flow, resulting in failure of the sealing between the water pipes and even the connection between the two water pipes falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic diagram of the utility model.

[0015] Figure 2 The utility model Figure 1 A magnified schematic diagram of the structure in the middle.

[0016] Figure 3 It is a front plane sectional view of a water pipe connecting seat of the utility model.

[0017] Figure 4 The utility model Figure 3 A magnified schematic diagram of structure B in the middle.

[0018] Figure 5 It is a side plane sectional view of a water pipe connecting seat of the utility model.

[0019] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0020] 1. Fixing seat 1; 101. Mounting hole; 2. Fixing seat 2; 3. Water pipe connecting seat; 301. Connecting hole; 302. Slide groove; 303. Sliding block; 4. Extension plate; 401. Mounting seat; 402. Threaded groove; 403. Threaded rod; 404. Hexagon socket adjusting head; 405. Groove; 5. Clamping block. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0022] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Example:

[0025] As attached Figure 1 To Attachment Figure 5 As shown:

[0026] The utility model provides a water pipe connecting device for non-negative pressure water supply equipment, comprising a fixing seat 1 and a fixing seat 2, the outer sides of the fixing seat 1 and the fixing seat 2 are fixedly welded with water pipe connecting seats 3, a pair of connecting holes 301 are penetrated at the center position of one side of the water pipe connecting seats 3, and one side of the pair of connecting holes 301 respectively penetrates the fixing seat 1 and the fixing seat 2, four groups of slide grooves 302 are equidistantly opened on the outer side of the water pipe connecting seat 3 around the connecting hole 301, the water pipe connecting seat 3 is installed with four groups of extension plates 4 through the four groups of slide grooves 302, the outer end surfaces of the four groups of extension plates 4 are provided with mounting seats 401 on the side away from the slide groove 302, the outer end of the mounting seat 401 is provided with a mounting groove, the interior of the mounting groove is embedded with a threaded groove 402, and the internal thread of the locking data threaded groove 402 is connected with a threaded rod 403, the inner end surfaces of the four groups of extension plates 4 are provided with grooves 405 on the side away from the slide groove 302, and the inside of the four groups of grooves 405 are provided with clamping blocks 5.

[0027] Among them, a slider 303 is slidably connected inside the slide groove 302, and the slider 303 is fixedly connected to the extension plate 4 on one side close to the opening of the slide groove 302. Through the coordinated use of the slider 303 and the slide groove 302, the extension plate 4 can be easily moved in the slide groove 302.

[0028] One end of the thread groove 402 is connected to the groove 405 , and one end of the threaded rod 403 is rotatably connected to one end of the clamping block 5 .

[0029] The threaded rod 403 is fixedly connected with a hexagonal adjusting head 404 at one end close to the outside of the mounting seat 401 , and the outer wall size of the hexagonal adjusting head 404 is smaller than the inner wall size of the mounting groove and larger than the inner wall size of the threaded groove 402 .

[0030] A plurality of mounting holes 101 are provided at equal distances on the outer sides of the fixing seat 1 and the fixing seat 2 2 around the water pipe connecting seat 3 .

[0031] The working principle of this embodiment is as follows: first, the fixing seat 1 and the fixing seat 2 are installed on the outer sides of the two water pipe connecting flanges in the non-negative pressure water supply equipment through a plurality of installation holes 101, and then the four groups of extension plates 4 are pulled out from the outer sides of the water pipe connecting seat 3 respectively through the coordinated use of the slide groove 302 and the slider 303, and the threaded rod 403 is driven to rotate downward in the threaded groove 402 by rotating the four groups of hexagonal adjusting heads 404 in sequence, thereby driving the four groups of clamping blocks 5 to move downward to clamp and fix the outer wall of the water pipe, thereby greatly improving the connection stability between the two water pipes in the non-negative pressure water supply equipment, and avoiding the loosening of the bolts on the flange plate of the two water pipes under the impact of the water flow, resulting in failure of the sealing between the water pipes, and even the connection between the two water pipes falling off.

[0032] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A water pipe connection device for a non-negative pressure water supply device, comprising a fixing seat 1 (1) and a fixing seat 2 (2), characterized in that: The outer sides of the fixing seat 1 (1) and the fixing seat 2 (2) are both fixedly welded with water pipe connection seats (3); a pair of connection holes (301) are penetrated at the center of one side of the water pipe connection seats (3); and one side of the pair of connection holes (301) penetrates the fixing seat 1 (1) and the fixing seat 2 (2) respectively; the outer sides of the water pipe connection seats (3) are provided with four groups of slide grooves (302) at equal distances around the connection holes (301); the water pipe connection seats (3) are installed with four groups of extension grooves (302) through the four groups of slide grooves (302). The four groups of extension plates (4) are provided with a mounting seat (401) on the outer end surface away from the slide groove (302), the outer end of the mounting seat (401) is provided with a mounting groove, the interior of the mounting groove is embedded with a threaded groove (402), and the internal thread of the locking data threaded groove (402) is connected with a threaded rod (403), the inner end surface of the four groups of extension plates (4) is provided with a groove (405) on the side away from the slide groove (302), and the interior of the four groups of grooves (405) is provided with a clamping block (5).

2. The water pipe connection device of the non-negative pressure water supply equipment according to claim 1, characterized in that: A slider (303) is slidably connected inside the slide groove (302), and the slider (303) is fixedly connected to the extension plate (4) at one side close to the opening of the slide groove (302).

3. The water pipe connection device of the non-negative pressure water supply equipment according to claim 1, characterized in that: One end of the threaded groove (402) is in communication with the groove (405), and one end of the threaded rod (403) is rotatably connected to one end of the clamping block (5).

4. The water pipe connection device of the non-negative pressure water supply equipment according to claim 1, characterized in that: The threaded rod (403) is fixedly connected to a hexagonal adjusting head (404) at one end close to the outside of the mounting seat (401), and the outer wall size of the hexagonal adjusting head (404) is smaller than the inner wall size of the mounting groove and larger than the inner wall size of the threaded groove (402).

5. The water pipe connection device of the non-negative pressure water supply equipment according to claim 1, characterized in that: The outer sides of the fixing seat 1 (1) and the fixing seat 2 (2) are provided with a plurality of mounting holes (101) at equal distances around the water pipe connecting seat (3).

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