Water pipe flow limiting connector

Abstract

A water pipe flow limiting connector comprises a connector shell, the connector shell comprises a tubular first shell and a tubular second shell, a first pipe section and a second pipe section which are different in diameter are arranged outside the first shell, a clamping spring is connected to the periphery of the first pipe section, and a limiting groove connected with a spring in an embedded mode is formed in the bottom of the first pipe section. A first inner hole, a second inner hole and a third inner hole are formed in the first shell, the diameters of the first inner hole, the diameters of the second inner hole and the third inner hole are sequentially reduced, a limiting block is connected to the inner wall of the second inner hole in an embedded mode, a fourth inner hole, a fifth inner hole and a sixth inner hole are formed in the second shell, the diameters of the fourth inner hole, the fifth inner hole and the sixth inner hole are sequentially reduced, and a flow limiting pipe is installed in the fifth inner hole. The clamping spring is connected with the second shell in a clamping mode, and the second shell rotates manually in the radial direction around the first shell. Secondary flow limiting is carried out through the limiting block in the first shell and the flow limiting pipe in the second shell, so that the water flow control performance is improved, and the flexibility in the water pipe connecting process is improved in cooperation with manual rotation of the second shell around the first shell in the radial direction.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of water pipe joint, especially to the technical field of water pipe flow limiting joint. BACKGROUND

[0002] Now with the development of population, global industrialization and climate change problem aggravation, global water resource distribution uneven and water resource shortage problem is increasingly prominent. In addition, the expansion of city scale, water supply system becomes more and more complex, and pipeline network coverage range is also more and more wide, and the number of users used is also more and more, cause water pressure distribution uneven. With the development of urbanization, there are more and more high-rise buildings, and high-rise building needs stable water pressure supply, and water pipe flow limiting joint can prevent low floor water pressure too high and cause pipeline rupture or equipment damage.

[0003] The internal structure of the existing part of water pipe flow limiting joint is simple, cannot adapt to water pressure fluctuation. When water supply pressure changes, flow may fluctuate greatly, resulting in unsatisfactory water saving effect. Under high pressure, flow limiting may fail due to too fast speed, and under low pressure, flow may be completely cut off. Therefore, a water pipe flow limiting joint capable of adapting to water pressure fluctuation and having good water saving effect is needed. SUMMARY

[0004] The utility model provides a kind of water pipe flow limiting joint that can adapt to water pressure fluctuation, and water saving effect is good.

[0005] A kind of water pipe flow limiting joint, including joint shell, joint shell includes tubular first shell and tubular second shell, the first shell outside includes different diameter first pipe section and second pipe section, first pipe section outer periphery is connected with snap spring, first pipe section bottom is equipped with the limit slot of inlaying connection spring, first shell inside is equipped with first inner hole, second inner hole, third inner hole of diameter sequentially reducing, second inner hole inner wall is inlayed and is connected with limit block, the fourth inner hole, fifth inner hole, sixth inner hole of diameter sequentially reducing are equipped in the second shell inside, and flow limiting pipe is installed in fifth inner hole;The snap spring is connected with second shell, and second shell rotates manually around first shell radially.

[0006] The utility model improves the flexibility in the process of water pipe connection by the limit block in first shell and the flow limiting pipe in second shell for twice flow limiting to improve water flow control performance, and the flexibility in the process of water pipe connection is improved by the manual rotation of second shell around first shell radially.

[0007] The limit block side is equipped with filter screen, and filter screen is inlayed first inner hole. By setting filter screen on the water outlet side of limit block, the particulate in water flow is filtered through grid structure, avoid impurities into flow limiting pipe or inner hole reduced diameter area, prevent flow anomaly or mechanical jam caused by blockage, and filter screen is inlayed in first inner hole inner wall, guarantee the sealing between filter screen and shell, and ensure filter screen installation stability, reduce the risk of vibration and falling.

[0008] The fourth inner hole wall is provided with a groove matched with the snap spring.

[0009] The flow limiting pipe is provided with flanges with expanded diameters at two ends, and the two flanges are a first flange and a second flange respectively.

[0010] The fifth inner hole is provided with a step matched with the second flange.

[0011] One end of the spring is matched with the bottom of the first pipe segment, and the other end is matched with the sealing ring.

[0012] The utility model discloses a first shell and the flow limiting pipe in the second shell carry out secondary flow limiting and improve water flow control performance, and the second shell is manually rotated radially around the first shell, so that the flexibility in the water pipe connecting process is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be further explained in connection with the drawings:

[0014] Fig. 1 It is a water pipe flow limiting connector structure schematic view;

[0015] Fig. 2 It is a water pipe flow limiting connector explosion structure schematic view;

[0016] Fig. 3 It is another direction of a water pipe flow limiting connector explosion structure schematic view. DETAILED DESCRIPTION

[0017] The utility model will be further explained in connection with the drawings: Figs. 1-3 The technical scheme of the patent is further explained in detail in the specific implementation.

[0018] For example, Figs. 1-3As shown, a water pipe flow limiting connector includes a connector housing, the connector housing includes a tubular first housing 3 and a tubular second housing 6, the first housing 3 externally includes a first pipe section 17 and a second pipe section 18 with different diameters, the first pipe section 17 is peripherally connected with a snap spring 10, the bottom of the first pipe section 17 is provided with a limiting groove 19 embedded with the limiting spring 4, the inside of the first housing 3 is provided with a first inner hole 21, a second inner hole 13 and a third inner hole 14 with diameters gradually decreasing, the inner wall of the second inner hole 13 is embedded with a limiting block 2, the inside of the second housing 6 is provided with a fourth inner hole 15, a fifth inner hole 16 and a sixth inner hole 8 with diameters gradually decreasing, the fifth inner hole 16 is internally provided with a flow limiting pipe 9; the snap spring 10 is snap connected with the second housing, and the second housing is manually rotated radially around the first housing.

[0019] As a structural preference, the limiting block 2 is provided with a filter screen 1 on one side, and the filter screen 1 is embedded in the first inner hole 21.

[0020] Preferably, the fourth inner hole 15 is provided with a groove 7 embedded with the snap spring 10.

[0021] Preferably, the flow limiting pipe 9 is provided with a flange with an expanded diameter at both ends, and the two flanges are respectively a first flange 11 and a second flange 12.

[0022] Preferably, the fifth inner hole 16 is provided with a step 20 abutting the second flange 12.

[0023] In order to further ensure the sealing property of the flow limiting connector, one end of the spring 4 is embedded with the bottom of the first pipe section 17, and the other end is abutted with a sealing ring 5, and the sealing ring 5 is abutted with the spring 4 and the first flange 11 on both sides.

[0024] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and modify the above-mentioned embodiments within the scope of the utility model without departing from the principles and purposes of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A water pipe flow restrictor fitting comprising a fitting housing comprising a tubular first housing (3) and a tubular second housing (6), characterized in that: The first shell (3) outside includes first pipe section (17) and second pipe section (18) of different diameters, the first pipe section (17) periphery is connected with the snap spring (10), the first pipe section (17) bottom is provided with the limit slot (19) of embedding connection spring (4), the first shell (3) inside is provided with first inner hole (21), second inner hole (13), third inner hole (14) of gradually reducing diameter, the second inner hole (13) inner wall is embedded with the limit block (2), the second shell (6) inside is provided with fourth inner hole (15), fifth inner hole (16), sixth inner hole (8) of gradually reducing diameter, the fifth inner hole (16) is installed with the flow limiting pipe (9) in;The snap spring (10) is connected with the second shell, and the second shell is manually rotated radially around the first shell.

2. A water pipe flow restrictor according to claim 1, wherein: The limit block (2) one side is provided with filter screen (1), and the filter screen (1) is embedded with the first inner hole (21).

3. A water pipe flow restrictor according to claim 1, wherein: The fourth inner hole (15) hole wall is provided with the recess (7) embedded with the snap spring (10).

4. A water pipe flow restrictor according to claim 1, wherein: The flow limiting pipe (9) both ends are provided with the flanging of expanding diameter, and the two flanges are first flange (11) and second flange (12) respectively.

5. A water pipe flow restrictor according to claim 1, wherein: The fifth inner hole (16) is provided with step (20), and the step (20) is attached to the second flange (12).

6. A water pipe flow restrictor according to claim 1, wherein: The spring (4) one end is embedded with the first pipe section (17) bottom, and the other end is attached to the sealing ring (5), and the sealing ring (5) both sides are attached with the spring (4) and the first flange (11) respectively.

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