Switch box for anechoic chamber water flow control

Abstract

The utility model relates to a switch box for water flow control of an anechoic chamber, comprising a box body and an adjusting assembly installed on the outer wall of the box body, a supporting frame is installed on the bottom of the box body, the box body is movably installed on the supporting frame, a plurality of water inlet pipes are installed inside the box body, one end of the water inlet pipe penetrates through the outer wall of the box body, a switch valve is communicatively installed at the end of the water inlet pipe inside the box body, a three-way valve is communicatively installed at the end of the switch valve away from the water inlet pipe, and an elbow is communicatively installed at the end of the three-way valve away from the switch valve. The supporting frame is in the shape of a U-shaped plate, the two side bending ends of the supporting frame face downward, the adjusting assembly comprises two pulleys, two screw rods and a bidirectional threaded pipe, the rotation direction of the pulley is perpendicular to the moving direction of the box body, the water inlet pipe is directly connected to the cooling pipe, replacing the soft pipe which is prone to breakage and entanglement, preventing the leakage of cooling water, blowing the residual water in the water inlet pipe after cooling to prevent rusting in the pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to switch box technical field especially relates to a switch box for water flow control of anechoic chamber. BACKGROUND

[0002] At present in the electromagnetic compatibility test field, along with the diversification of test product and test content, some measured equipment in the electromagnetic compatibility anechoic chamber needs to be cooled when running, cooling water is passed into the anechoic chamber, and the engine of the measured equipment is cooled, and meanwhile, the water inflow and water flow on-off control are required to be controlled. At present, the industry selects to place the cooling water assembly outside the anechoic chamber, and the measured equipment in the anechoic chamber is connected through a hose, the hose is irregularly arranged and is easy to be entangled, and there are many inconveniences in use, once the hose leaks, the water leaks below the ground of the anechoic chamber, influences the shielding performance of the anechoic chamber, and thus the test index of the anechoic chamber is damaged. SUMMARY

[0003] The purpose of the present application is to provide a switch box for water flow control of anechoic chamber to solve the problems raised in the background art.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0005] A switch box for water flow control of anechoic chamber, comprising a box body and an adjusting assembly installed on the outer wall of the box body, a support frame is installed at the bottom of the box body, the box body is movably installed on the support frame, a plurality of water inlet pipes are installed inside the box body, one end of the water inlet pipe penetrates through the outer wall of the box body, a switch valve is communicatively installed at one end of the water inlet pipe inside the box body, a three-way valve is communicatively installed at the end of the switch valve away from the water inlet pipe, and an elbow is communicatively installed at the end of the three-way valve away from the switch valve. The shape of the support frame is a U-shaped plate, and the two side bending ends of the support frame face downward.

[0006] Preferably, the adjusting assembly comprises two pulleys, two screw rods and a bidirectional threaded pipe, the adjusting assembly is symmetrically installed on the two sides of the support frame, the rotating direction of the pulley is perpendicular to the moving direction of the box body, the two pulleys are movably installed on the outer wall of one side of the support frame, two fixed rings are arranged between the two pulleys, the fixed rings are fixedly installed on the outer wall of one side of the support frame, threads are formed in the inner wall of the fixed ring, the screw rod is in threaded connection with the fixed ring, the bidirectional threaded pipe is installed between the two screw rods, two groups of threads are symmetrically formed in the inner wall of the bidirectional threaded pipe, and the ends of the two screw rods are in threaded connection with the inner wall of the two ends of the bidirectional threaded pipe.

[0007] Preferably, the pulley is provided with a matching groove on the side wall of the screw rod, the matching groove is annular, the screw rod is fixedly provided with a rubber strip at the end away from the two-way threaded pipe, and the outer diameter of the rubber strip corresponds to the groove width of the matching groove.

[0008] The utility model discloses the beneficial effect is: through being provided with switch valve, three -way valve and inlet pipe, inlet pipe and cooling pipe direct butt joint, replace the hose of easy breakage and entanglement, prevent cooling water leakage, blow -off the residual water in inlet pipe after cooling, prevent the pipe rust, and the cooling flow of small residual is to the bottom surface of dark room, will not influence the shielding body in dark room. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is whole structure schematic diagram of the utility model;

[0010] Figure 2 It is whole (bottom perspective) structure schematic diagram of the utility model;

[0011] Figure 3 It is A area local amplification structure schematic diagram of the utility model in Figure 2 ;

[0012] Figure 4 It is B area local amplification structure schematic diagram of the utility model in Figure 2 ;

[0013] In the drawing: 1, box;2, elbow;3, switch valve;4, three -way valve;5, inlet pipe;6, support frame;7, groove plate;8, gear;9, fixed ring;10, two -way threaded pipe;11, pulley;12, screw rod;13, sliding slot;14, rack;15, rubber strip;16, matching groove. DETAILED DESCRIPTION

[0014] The preferred embodiments of the utility model are described in detail below in combination with the drawings, so that the advantages and features of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined. The directions mentioned in the utility model, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., are only the directions of the attached drawings. Therefore, the directions used are used to explain and understand the utility model, not to limit the utility model.

[0015] As Figures 1-4The utility model provides a kind of switch box for anechoic chamber water flow control, including box 1 and the adjusting assembly installed on the outer wall of box 1, the bottom of box 1 is equipped with support frame 6, box 1 is movably installed on support frame 6, support frame 6 is shaped as U-shaped plate, the two side bending ends of support frame 6 are downward, a plurality of water inlet pipes 5 are installed in box 1, one end of water inlet pipe 5 passes through the outer wall of box 1, the one end of water inlet pipe 5 in box 1 is connected and is equipped with switch valve 3, the one end of switch valve 3 away from water inlet pipe 5 is connected and is equipped with three-way valve 4, the one end of three-way valve 4 away from switch valve 3 is connected and is equipped with elbow 2.

[0016] The adjusting assembly includes two pulleys 11, two screw rods 12 and a bidirectional threaded pipe 10, the adjusting assembly is symmetrically installed on the two sides of the support frame 6, the rotating direction of the pulley 11 is perpendicular to the moving direction of the box 1, the two pulleys 11 are movably installed on the outer wall of one side of the support frame 6, two fixed rings 9 are arranged between the two pulleys 11, the two fixed rings 9 are fixedly installed on the outer wall of one side of the support frame 6, the inner wall of the fixed ring 9 is provided with threads, the screw rod 12 is threadedly connected with the fixed ring 9, the bidirectional threaded pipe 10 is installed between the two screw rods 12, the inner wall of the bidirectional threaded pipe 10 is symmetrically provided with two groups of threads, and the ends of the two screw rods 12 are threadedly connected with the inner walls of the two ends of the bidirectional threaded pipe 10.

[0017] The outer wall of one side of the pulley 11 towards the screw rod 12 is provided with an embedded groove 16, the embedded groove 16 is shaped as an annular groove, the end of the screw rod 12 away from the bidirectional threaded pipe 10 is fixedly installed with a rubber strip 15, and the outer diameter of the rubber strip 15 corresponds to the groove width of the embedded groove 16. The outer wall of the top of the support frame 6 is provided with a long strip-shaped sliding groove 13, the bottom edge of the sliding groove 13 is fixedly installed with a groove plate 7, the inner wall of the groove plate 7 is fixedly installed with a rack 14, the outer wall of the bottom of the box 1 is bearingly installed with a gear 8, and the gear 8 is engaged with the rack 14.

[0018] Embodiment: The box 1 is placed in the anechoic chamber, the water inlet pipe 5 is connected with the cooling pipe of the device to be tested, the elbow 2 is connected with the external cooling water pump, the switch valve 3 is opened, the cooling water passes through the three-way valve 4, enters the cooling pipe from the water inlet pipe 5, and cools the engine of the device to be tested. After cooling is completed, the water inlet pipe 5 can be separated from the cooling pipe, the top single valve port of the three-way valve 4 is connected with the fan pipe, the fan blows compressed air into the top valve port of the three-way valve 4, blows out the residual water in the water inlet pipe 5, places the box 1 in the anechoic chamber, directly connects the metal water inlet pipe 5 with the cooling pipe, instead of the soft pipe which is easy to break and entangle, prevents the cooling water from leaking, blows the residual water in the water inlet pipe 5 after cooling is completed, prevents the pipe from rusting, and a small amount of residual cooling flows to the bottom surface of the anechoic chamber, which does not affect the shielding body in the anechoic chamber.

[0019] The whole box 1 is heavy, for convenient transportation, the box 1 can be lifted by a forklift, the forks are inserted into the lower part of the support frame 6, then the box 1 is lifted and transported into the dark room, the box 1 is placed according to the position of the equipment to be measured, the forklift places the box 1 in the approximate position, if the position of the box 1 needs to be adjusted after being placed, the operator can push the box 1, the gear 8 at the bottom of the box 1 moves on the rack 14 in the inner wall of the groove plate 7, and the box 1 moves on the top surface of the support frame 6 guided by the sliding groove 13.

[0020] In the initial state, the end of the rubber strip 15 is embedded in the embedded groove 16 of the pulley 11, the rubber strip 15 is clamped in the embedded groove 16, and the embedded groove 16 plays a role in limiting the rotation of the pulley 11. When it is necessary to push the box 1 forward, the operator can rotate the two-way threaded pipe 10 on both sides of the box 1, the screw rod 12 is driven to rotate, the screw rod 12 rotates in the fixed ring 9, and the rubber strip 15 is separated from the embedded groove 16 of the pulley 11, so that the pulley 11 can move, the operator can push the box 1, and after reaching the position, the two-way threaded pipe 10 can be rotated in the reverse direction again, so that the screw rod 12 drives the rubber strip 15 to be embedded in the embedded groove 16 again, and the rubber strip 15 plays a role of brake.

[0021] It should be noted that the parts not involved in the utility model are the same as or can be realized by the prior art; various drives in the utility model can be realized by corresponding power structures such as air cylinders, oil cylinders, electric cylinders and motors cooperating with connecting rods and guide rods, and are not limited to the description in the specification and the structure in the drawings.

[0022] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it should not be understood as a limitation on the scope of the utility model patent. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model.

Claims

1. A switch box for water flow control in an anechoic chamber, comprising a box body (1) and an adjusting assembly mounted on the outer wall of the box body (1), characterized in that: The bottom of the box (1) is provided with a support frame (6), the box (1) is movably arranged on the support frame (6), the adjusting assembly comprises two pulleys (11), two screw rods (12) and a bidirectional threaded pipe (10), two groups of the adjusting assembly are symmetrically arranged on the two sides of the support frame (6), the rotating direction of the pulley (11) is perpendicular to the moving direction of the box (1), the two pulleys (11) are movably arranged on the outer wall of one side of the support frame (6), two fixed rings (9) are arranged between the two pulleys (11), the two fixed rings (9) are fixedly arranged on the outer wall of one side of the support frame (6), the inner wall of the fixed ring (9) is provided with a thread, the screw rod (12) is in threaded connection with the fixed ring (9), the bidirectional threaded pipe (10) is arranged between the two screw rods (12), the inner wall of the bidirectional threaded pipe (10) is symmetrically provided with two groups of threads, and the ends of the two screw rods (12) are in threaded connection with the inner walls of the two ends of the bidirectional threaded pipe (10).

2. The switch box for anechoic chamber water flow control according to claim 1, characterized in that: The outer wall of one side of the pulley (11) is provided with a fitting groove (16) away from the screw rod (12), the fitting groove (16) is annular, one end of the screw rod (12) away from the bidirectional threaded pipe (10) is fixedly provided with a rubber strip (15), and the outer diameter of the rubber strip (15) corresponds to the groove width of the fitting groove (16).

3. The switch box for anechoic chamber water flow control according to claim 2, characterized in that: The support frame (6) is a U-shaped plate, the two side bending ends of the support frame (6) are downward, the outer wall of the top of the support frame (6) is provided with a long strip-shaped sliding groove (13), the bottom edge of the sliding groove (13) is fixedly provided with a groove plate (7), the inner wall of the groove plate (7) is fixedly provided with a rack (14), the bottom outer wall of the box (1) is journally provided with a gear (8), and the gear (8) is in engagement with the rack (14).

4. The switch box for anechoic chamber water flow control according to claim 1, characterized in that: A plurality of water inlet pipes (5) are arranged in the box (1), one end of the water inlet pipe (5) penetrates through the outer wall of the box (1), the water inlet pipe (5) is in communication with a switch valve (3) at one end in the box (1), the switch valve (3) is in communication with a three-way valve (4) away from the water inlet pipe (5), and the three-way valve (4) is in communication with an elbow (2) away from the switch valve (3).

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