CN218771138U - Self-drainage three-way threading box - Google Patents

Abstract

The utility model discloses a from drainage tee bend threading box has solved current tee bend threading box and has had hydrops discharge and probably lead to the problem that the foreign matter got into the threading pipe. The technical scheme includes that the automatic draining device is connected with a water outlet at the lower end of the three-way box body and comprises a shell with a draining hole formed in the bottom, a trapezoidal weir is arranged at the upper section in the shell, an elastic assembly is arranged at the center of the bottom, a valve plate is arranged at the upper end of the elastic assembly, and the valve plate is in contact sealing with an outlet at the lower end of the trapezoidal weir. The utility model discloses simple structure, easily operation, commonality are good, can in time discharge the hydrops in the box body, can prevent again that the rainwater from flowing backward or the insect gets into.

Description

Self-drainage three-way threading box

Technical Field

The utility model relates to a cable box body, specific tee bend threading box that says so.

Background

In engineering project design and construction installation, in order to ensure that the cable is prevented from being damaged by machinery, protective measures need to be taken for the cable. The protection measures for the cable are usually in the form of cable trays and cable ducts. Cable trays are commonly used for the laying of large numbers of cables, cable ducts are commonly used for the laying of single or small numbers of cables, and the cable ducts are commonly made of galvanized steel pipes or other metal and non-metal pipelines.

According to GB50093-2013 'Specifications for engineering construction and quality acceptance of automated instruments', when a cable duct is likely to be soaked by rainwater or humid gas, a drainage measure should be taken at the lowest point. In order to meet the requirement of lowest point drainage, a mode of arranging a three-way threading box at the lowest point is generally adopted in engineering projects, and the lowest end of the three-way threading box is used for drainage. However, in practical applications, since the drain end is directly connected to the external environment, there are situations where foreign matter enters the conduit (e.g., rain, dust, insects, rodents, flammable/toxic gases, etc.). When foreign objects enter the threading guide pipe, the cable can be damaged, the threading guide pipe can be blocked, and especially when the threading guide pipe is installed in an explosion danger area, combustible and toxic gas can be gathered in the threading guide pipe. When the cable is damaged to cause short circuit, combustible gas is caused to flash and explode to cause explosion accidents; when toxic gas (such as carbon monoxide) is gathered in the threading conduit, the maintainer can be poisoned by blindness during operation. Under the background that the country increasingly attaches importance to safe production, it is very necessary to design a scheme that can not only satisfy the flowing back function of three-way threading box, but also can prevent rainwater, dust, insect, mouse and combustible/toxic gas from getting into the threading pipe to solve the above-mentioned problem.

Disclosure of Invention

The utility model aims at solving the technical problem, provide a hydrops in simple structure, easily operation, commonality are good, can in time discharge box body, can prevent again that the rainwater from flowing backward or the foreign matter gets into from drainage tee bend threading box.

The technical scheme includes that the three-way drain device comprises a three-way box body, wherein an automatic drain device is connected to a water outlet at the lower end of the three-way box body, the automatic drain device comprises a shell with a drain hole formed in the bottom, a trapezoidal weir is arranged at the upper section in the shell, an elastic assembly is arranged at the center of the bottom, a valve plate is arranged at the upper end of the elastic assembly, and the valve plate is in contact sealing with an outlet at the lower end of the trapezoidal weir.

The elastic component comprises a spring with the lower end fixed at the bottom of the shell and a guide cylinder sleeved outside the spring, and the height of the guide cylinder is lower than that of the spring in a free state.

And a sealing ring matched with the lower end outlet of the trapezoid weir is arranged on the periphery of the valve plate.

The shell is also provided with an exhaust hole.

The upper end of the shell is detachably connected with the water outlet at the lower end of the three-way box body.

The upper end of the shell is in threaded connection or clamped connection with the lower water outlet of the three-way box body.

Has the advantages that:

the utility model is connected with an automatic liquid drainage device at the water outlet of the three-way box body, under the normal state and the acting force of the elastic component, the valve plate covers the lower outlet of the trapezoidal weir to prevent the rainwater, dust, insects, mice and combustible/toxic gas from flowing backwards; when having the hydrops in the tee bend box body, usable trapezoidal weir collects the hydrops, utilizes elastic component cooperation valve plate to form pressure valve structure, when the hydrops weight that trapezoidal weir was collected was greater than elastic component's effort, then can compress elastic component, drives the valve plate and moves down, and the hydrops flows out by the interstitial space after trapezoidal weir and the valve plate moved down, flows out through the outage of shell again. The automatic liquid drainage device is detachably connected with the tee box body, is convenient to overhaul and maintain, and is flexible and good in universality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the automatic liquid discharging device.

Fig. 3 is a usage state diagram of the present invention.

Wherein, 1-three-way box body, 1.1-water outlet, 1.2-cable port, 2-automatic liquid discharge device, 3-trapezoidal weir, 4-valve plate, 5-spring, 6-sealing ring, 7-guide cylinder, 8-shell, 9-liquid discharge hole, 10-vent hole, 11-cable, 12-threading guide pipe.

Detailed Description

Referring to fig. 1 and 2, a cable port 1.2 is formed in one side and the upper end of a tee box body 1, a water outlet 1.1 is formed in the lower end of the tee box body, the water outlet 1.1 is connected with an automatic liquid drainage device 2, the automatic liquid drainage device 2 comprises a shell 8, a liquid drainage hole 9 is formed in the bottom of the shell, an exhaust hole 10 is further formed in the shell 8, a trapezoidal weir 3 is arranged at the upper section in the shell 8, an elastic component is arranged at the center of the bottom of the shell, a valve plate 4 is arranged at the upper end of the elastic component, a sealing ring matched with an outlet at the lower end of the trapezoidal weir 3 is arranged on the periphery of the valve plate 4, and the sealing ring is in contact sealing with the outlet at the lower end of the trapezoidal weir 3 under the action of the elastic component.

The elastic component comprises a spring 5 with the lower end fixed at the bottom of a shell 8 and a guide cylinder 7 sleeved outside the spring 5, wherein the height of the guide cylinder 7 is lower than that of the spring 5 in a free state, so that a downward moving space is reserved when the spring 5 is compressed.

The upper end of the shell 8 is detachably connected with a lower end water outlet 1.1 of the three-way box body 1, preferably in threaded connection or clamping connection, and can be conveniently detached for maintenance or replacement.

Referring to fig. 3, the cable 11 passes through the cable port 1.2 at one side of the three-way box body 1 and is led out from the cable port 1.2 at the other side and passes through the threading conduit 12. When the three-way weir is normally used, the valve plate 4 is propped against the lower end outlet of the trapezoid weir 3 under the action of the spring 5, so that gas, solid or insects are prevented from entering the three-way box body 1; when flowing into liquid in the tee bend box body 1, the trapezoidal weir 3 that can flow into shell 8 downwards collects, when the hydrops weight that trapezoidal weir 3 collected is greater than spring 5's effort, then can compress spring 5, drive valve plate 4 and move down, removes the sealed between trapezoidal weir 3 and the valve plate 4, and the hydrops flows in the space of keeping in of shell 8 hypomere by the space after trapezoidal weir 3 and the valve plate 4 move down, flows out through the outage 9 of shell 8 again. At the same time, the gas flowing into the temporary storage space can be discharged through the gas outlet 10.

Claims (6)

1. The utility model provides a from drainage tee bend threading box, includes the tee bend box body, its characterized in that, the delivery port of tee bend box body lower extreme is connected with automatic drain, automatic drain includes that the shell that has the outage is opened to the bottom, the upper segment is equipped with trapezoidal weir in the shell, and the bottom center is equipped with elastic component, elastic component's upper end is equipped with the valve plate, the valve plate with the lower extreme export contact of trapezoidal weir is sealed.

2. The self-draining three-way threading box of claim 1, wherein the elastic assembly comprises a spring with a lower end fixed at the bottom of the housing, and a guide cylinder sleeved outside the spring, and the height of the guide cylinder is lower than that of the spring in a free state.

3. The self-draining three-way threading box of claim 1, wherein the valve plate is provided at its periphery with a sealing ring matching the lower outlet of the trapezoidal weir.

4. The self-draining three-way threading box of claim 1, wherein the housing is further provided with a vent hole.

5. The self-draining three-way threading box according to any one of claims 1 to 4, wherein the upper end of the outer casing is detachably connected with the water outlet at the lower end of the three-way box body.

6. The self-draining three-way threading box according to claim 5, wherein the upper end of the outer shell is in threaded connection or clamped connection with the water outlet at the lower end of the three-way box body.

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