Temperature control water nozzle service life testing machine

Abstract

The utility model discloses a temperature control water nozzle service life testing machine, and relates to the technical field of temperature control water nozzle service life detection. The temperature control water nozzle service life testing machine comprises a testing stand and a constant temperature water nozzle body, a fixing frame is fixed to the rear side of the top of the testing stand, a water supply pipe is embedded in the fixing frame, a water outlet pipe is arranged on the front side of the water supply pipe, a threaded sleeve is rotationally connected to the front end of the water outlet pipe and is in threaded fit with the constant temperature water nozzle body, and a hose is connected between the water supply pipe and the water outlet pipe. A screw rod is obliquely arranged on the inner side of the fixing frame, a movable block is arranged on the screw rod in a threaded mode, an elastic assembly is connected to the bottom of the movable block, a U-shaped frame is connected to the lower end of the elastic assembly, a pressing wheel is rotationally installed on the inner side of the U-shaped frame through a rotating shaft, and the pressing wheel is matched with a hose. By combining the elastic effect of the elastic assembly, the pressing wheel extrudes the hose, the size of the drift diameter of the hose is changed, the purpose of adjusting the water flow speed is achieved, the structure is simple, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of temperature -controlled water nozzle life detection, especially relate to a temperature -controlled water nozzle life testing machine. BACKGROUND

[0002] Temperature -controlled water nozzle is also called thermostatic mixing faucet or thermostatic control valve, it is a kind of water nozzle that can automatically adjust water temperature, its product has heat-sensitive temperature control element with thermal expansion and cold shrinkage physical characteristics, controls water temperature by sensing water temperature change, ensures that water temperature is kept in the set range.Its main working principle is to measure water temperature using a thermistor, when the water temperature reaches the set temperature, the temperature -controlled water nozzle will adjust the water flow by controlling the valve, so as to realize the purpose of constant temperature control, adapt to different places of shower use.

[0003] Publication No.: CN218330556U, discloses: temperature -controlled water nozzle and thermostatic shower life testing machine, through external force drive control lever moves, make motor shell moves in telescopic slide groove, so that the drive motor fixed in motor shell drives the movement of the driving shaft, so that the driving gear on the driving shaft moves in the telescopic slot corresponding distance, when the driving gear and the first gear mesh, can drive the transmission shaft on the first gear rotates, when the driving gear and the ring sawtooth groove on the first ring gear mesh, utilize the first ring gear and the second gear mesh, make the transmission shaft rotate, when the driving gear and the ring sawtooth groove on the second ring gear mesh, utilize the second ring gear and the second gear mesh, make the transmission shaft rotate, utilize the different number of teeth to drive the different rotating speed of transmission shaft, and utilize the transmission belt to make the transmission shaft rotation drives the rotation of the rotating shaft, finally adjust the rotating speed of the speed regulation impeller, change the flow rate of water flow in the first water channel to reach the life test of the measured shower and the measured water nozzle under different flow rates.

[0004] The above prior art still has the following shortcomings in the specific implementation process:

[0005] Need to be provided with a plurality of gears and gear rings, greatly increase the manufacturing and maintenance cost of the device, and need external force to adjust the driving gear and different ring gears to mesh, to achieve the purpose of adjusting the water nozzle life test under different water flow speed, the operation is more complicated, increases the work burden of workers, affects the test efficiency.

[0006] In view of the above problems, we propose a temperature -controlled water nozzle life testing machine. Utility model content

[0007] Technical scheme

[0008] In order to solve the above technical problems, the utility model provides a kind of temperature control water nozzle life test machine, including test table and thermostatic water nozzle body, the test table top rear side is fixed with fixed frame, water supply pipe is embedded in the fixed frame, water outlet pipe is provided in water supply pipe front side, the threaded sleeve is rotatably connected with the water outlet pipe front end, the threaded sleeve is threadedly matched with thermostatic water nozzle body, hose is connected between water supply pipe and water outlet pipe by connector, the fixed frame inner side is obliquely provided with screw rod, the movable block is threadedly arranged on the screw rod, the elastic component is connected to the movable block bottom, the U-shaped frame is connected to the lower end of the elastic component, the compression wheel is rotatably installed in the U-shaped frame inner side by pivot, and the compression wheel and hose are matched with each other.

[0009] The elastic component includes a fixed rod, a movable plate, movable rods and springs, the fixed rod is fixed at the bottom of the movable block, the movable plate is movably sleeved on the fixed rod, two movable rods are oppositely fixed at the top of the U-shaped frame, and the top of the movable rod is fixedly connected with the movable plate, two springs are oppositely arranged on the two sides of the fixed rod, and the two ends of the spring are fixedly connected with the movable block and the movable plate respectively, and the bottom of the fixed rod is fixedly connected with a limiting block.

[0010] The inner wall of the fixed frame is fixedly provided with a fixed plate, the top of the fixed plate is provided with a supporting block, the top of the supporting block is provided with a semicircular groove, and the hose is placed in the semicircular groove.

[0011] The inner side of the fixed frame is oppositely fixed with two vertical plates, the screw rod is arranged between the two vertical plates, the rear surface of the rear vertical plate is provided with a servo motor, the output end of the servo motor is connected with the rear end of the screw rod, the upper side of the screw rod is provided with a guide rod, the guide rod penetrates through the movable block, the movable block is slidably connected with the guide rod, and the two ends of the guide rod are fixedly connected with the vertical plates on the front and rear sides.

[0012] The test table is provided with a through slot, the water tank is arranged on the lower side of the test table, the opening end of the water tank is matched with the through slot, the water outlet pipe and the threaded sleeve are arranged above the through slot, the water pump is connected with the water outlet pipe through the water suction pipe, and the outlet of the water pump is communicated with the lower end of the water supply pipe.

[0013] The top front side of the fixed plate is fixedly provided with a supporting rod, the outer side of the water outlet pipe is sleeved with a fixed ring, and the upper end of the supporting rod is fixedly connected with the fixed ring.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model discloses a screw sleeve and the screw thread cooperation of thermostatic water nozzle body, convenient thermostatic water nozzle body and water outlet pipe are connected together, and under the screw thread cooperation of movable block and screw rod, convenient adjustment movable block moves back and forth, combine elastic component, and U-shaped frame, and then drive the pressure wheel along the direction of hose and move.

[0016] Meanwhile under the inclination of screw rod, cooperate the elastic action of elastic component, make the pressure wheel in the process of moving, gradually extrude hose, and then change the drift of hose, according to the principle that the greater the drift, the smaller the resistance of pipeline, the faster the flow rate, on the contrary, the smaller the drift, the greater the resistance, the slower the flow rate, reach the purpose of adjusting the flow rate of water flow in thermostatic water nozzle body, adapt to the life of thermostatic water nozzle body under different water flow speed condition and test, simple structure, convenient adjustment, and do not need to use multiple gears and adjust, solve the multiple gears and gear ring of prior art need to set up, greatly increase the manufacturing and maintenance cost of device's malpractice, solve the active gear of prior art need to adjust the meshing of different ring gear, reach the purpose of adjusting the water nozzle life test under different water flow speed, the operation is more complicated, increase the work burden of staff, influence the malpractice of test efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure schematic diagram of the utility model;

[0018] Figure 2 It is the side view of the utility model;

[0019] Figure 3 It is Figure 2 The enlarged structure schematic diagram of A in it;

[0020] Figure 4 It is Figure 1 The structure schematic diagram of another view;

[0021] Figure 5 It is Figure 4 The enlarged structure schematic diagram of B in it;

[0022] Figure 6 It is the structure schematic diagram of test bench rear side in the utility model.

[0023] The marks in the drawings are: 1, test bench; 2, constant temperature water nozzle body; 3, fixed frame; 4, water supply pipe; 5, water outlet pipe; 6, threaded sleeve; 7, hose; 8, lead screw; 9, movable block; 10, fixed rod; 11, movable plate; 12, movable rod; 13, U-shaped frame; 14, pressure roller; 15, spring; 16, supporting block; 17, fixed plate; 18, limiting block; 19, vertical plate; 20, guide rod; 21, servo motor; 22, through slot; 23, water tank; 24, water pump; 25, fixed ring; 26, supporting rod. DETAILED DESCRIPTION

[0024] The present embodiment is a temperature-controlled water nozzle life test machine, as shown in the figure, which comprises a test bench 1 and a constant temperature water nozzle body 2. Figures 1-6 The test bench 1 is fixed with a fixed frame 3 on the top rear side, the fixed frame 3 is embedded with a water supply pipe 4, the water supply pipe 4 is provided with a water outlet pipe 5 on the front side, the front end of the water outlet pipe 5 is rotationally connected with a threaded sleeve 6, the threaded sleeve 6 is threadedly matched with the constant temperature water nozzle body 2, the water supply pipe 4 and the water outlet pipe 5 are connected with a hose 7 through a connector, the inside of the fixed frame 3 is obliquely provided with a lead screw 8, the lead screw 8 is threadedly provided with a movable block 9 on the top, the movable block 9 is connected with an elastic assembly on the bottom, the lower end of the elastic assembly is connected with a U-shaped frame 13, the U-shaped frame 13 is rotationally installed with a pressure roller 14 on the inside through a rotating shaft, and the pressure roller 14 is matched with the hose 7.

[0025] The threaded sleeve 6 is threadedly matched with the constant temperature water nozzle body 2, which facilitates the connection of the constant temperature water nozzle body 2 and the water outlet pipe 5, and the movable block 9 is moved forward and backward under the thread cooperation of the movable block 9 and the lead screw 8, combined with the elastic assembly and the U-shaped frame 13, which drives the pressure roller 14 to move along the direction of the hose 7, and under the oblique arrangement of the lead screw 8, the elastic assembly is elastically matched, so that the pressure roller 14 gradually extrudes the hose 7 during the movement, thereby changing the diameter of the hose 7, achieving the purpose of adjusting the water flow speed into the constant temperature water nozzle body 2, adapting to different water flow speed conditions to test the life of the constant temperature water nozzle body 2, the structure is simple, the adjustment is convenient, and multiple gears are not needed for adjustment, solving the problem of multiple gears and gear rings in the prior art, greatly increasing the manufacturing and maintenance cost of the device, and solving the problem of the need for external force to adjust the meshing of the driving gear and the different ring-shaped racks in the prior art to achieve the purpose of adjusting the water nozzle life test under different water flow speeds, which is more complicated to operate, increases the work burden of the staff, and affects the test efficiency.

[0026] The elastic assembly comprises a fixed rod 10, a movable plate 11, movable rods 12 and springs 15, the fixed rod 10 is fixed at the bottom of the movable block 9, the movable plate 11 is movably sleeved on the fixed rod 10, the two movable rods 12 are oppositely fixed at the top of the U-shaped frame 13, and the top of the movable rod 12 is fixedly connected with the movable plate 11, the two springs 15 are oppositely arranged on the two sides of the fixed rod 10, and the two ends of the spring 15 are fixedly connected with the movable block 9 and the movable plate 11 respectively, the bottom of the fixed rod 10 is fixed with a limiting block 18, the movable plate 11 is effectively limited by the limiting block 18, and the movable plate 11 is prevented from falling off the fixed rod 10.

[0027] The fixed plate 17 is fixed to the inner wall of the fixed frame 3, the support block 16 is arranged at the top of the fixed plate 17, the semicircular groove is arranged at the top of the support block 16, and the hose 7 is arranged in the semicircular groove. The support block 16 effectively supports the hose 7, and the semicircular groove at the top guarantees the extrusion effect of the hose 7 during the movement of the compression wheel 14.

[0028] The two vertical plates 19 are oppositely fixed to the top of the inner side of the fixed frame 3, the lead screw 8 is arranged between the two vertical plates 19, the rear vertical plate 19 is provided with the servo motor 21, the output end of the servo motor 21 is connected with the rear end of the lead screw 8, the guide rod 20 is arranged on the upper side of the lead screw 8, the guide rod 20 penetrates through the movable block 9, the movable block 9 is in sliding fit with the guide rod 20, and the guide rod 20 is fixedly connected with the front and rear vertical plates 19 at the two ends. Through the sliding fit between the movable block 9 and the guide rod 20, the movable block 9 is effectively limited and guided, the stability of the movable block 9 during movement is guaranteed, and then the stability of the compression wheel 14 during movement is guaranteed.

[0029] The through slot 22 is arranged on the test bench 1, the water tank 23 is arranged on the lower side of the test bench 1, the opening end of the water tank 23 is matched with the through slot 22, the water outlet pipe 5 and the threaded sleeve 6 are arranged above the through slot 22, the water pump 24 is connected with the water outlet pipe 5 through the water pump pipe arranged at the rear side of the water tank 23, the water outlet of the water pump 24 is communicated with the lower end of the water supply pipe 4, the water in the water tank 23 can be pumped out through the cooperation of the water pump 24 and the water pump pipe, the development of the constant-temperature faucet service life test is facilitated, and the water outlet pipe 5 and the threaded sleeve 6 are arranged above the through slot 22, so that the constant-temperature faucet body 2 arranged at the port of the water outlet pipe 5 is located above the through slot 22, the water discharged from the constant-temperature faucet body 2 can fall back into the water tank 23 through the through slot 22, and the recycling of the test water is facilitated.

[0030] The support rod 26 is fixed on the top of the fixed plate 17, and the fixed ring 25 is arranged on the outer side of the water outlet pipe 5. The upper end of the support rod 26 is fixedly connected with the fixed ring 25. The support rod 26 and the fixed ring 25 effectively support the water outlet pipe 5, thereby ensuring the stability of the water outlet pipe 5 and the constant temperature faucet body 2 installed on the end of the water outlet pipe 5.

[0031] Embodiment:

[0032] In the initial state, the movable block 9 is located at the last side, and the spring 15 is in the free elongation state. The pressing wheel 14 has no extrusion effect on the hose 7.

[0033] During the life test of the constant temperature faucet body 2, the threaded sleeve 6 is screwed with the constant temperature faucet body 2, and the threaded sleeve 6 is rotatably connected with the water outlet pipe 5, so that the constant temperature faucet body 2 to be tested is installed on the front end of the water outlet pipe 5.

[0034] After the constant temperature faucet body 2 is installed, the water pump 24 is started. The water pump 24 and the water suction pipe are matched with each other to pump the water in the water tank 23 out, and then the water is delivered to the inside of the hose 7 through the water supply pipe 4, flows to the water outlet pipe 5, and is finally sprayed out through the constant temperature faucet body 2. The sprayed water falls into the inside of the water tank 23 through the through slot 22, thereby realizing the recycling of water resources.

[0035] When it is necessary to change the water flow speed during the test, the servo motor 21 is started, the screw rod 8 is driven to rotate by the servo motor 21, the movable block 9 is stably moved forward along the direction of the screw rod 8 under the cooperation of the screw thread cooperation between the movable block 9 and the screw rod 8 and the sliding cooperation between the movable block 9 and the guide rod 20, the fixed rod 10 is synchronously moved along with the movement of the movable block 9, the U-shaped frame 13 is synchronously moved along with the cooperation of the movable block 9, the movable rod 12 and the movable plate 11, and the pressing wheel 14 is synchronously moved along the direction of the hose 7.

[0036] Under the action of the inclined arrangement of the screw rod 8, the fixed rod 10 is gradually moved downward while being moved forward along with the movable block 9, the spring 15 is compressed along with the continuous movement of the movable block 9 under the cooperation of the elastic action of the spring 15 and the sliding cooperation between the movable plate 11 and the fixed rod 10, the U-shaped frame 13 is subjected to the downward extrusion force, and the pressing wheel 14 is gradually extruded on the hose 7, so that the diameter of the hose 7 is gradually reduced. Since the water flow speed and the water flow rate in the water supply pipe 4 are constant, the water flowing through the hose 7 is pressurized along with the gradual reduction of the diameter of the hose 7, thereby increasing the water flow speed when the water flows out of the hose 7, and further increasing the water flow speed into the water outlet pipe 5, so as to achieve the purpose of adjusting the water flow speed into the constant temperature faucet body 2 during the test, and adapt to the life test of the constant temperature faucet body 2 under different water flow speeds.

[0037] Compared with the prior art, the utility model discloses the inclination setting of screw rod 8, under the thread cooperation of movable block 9 and screw rod 8, adjust movable block 9 along the direction of screw rod 8 and move back and forth, when movable block 9 moves forward, drive fixed link 10 to move forward while gradually moving down, drive pressure roller 14 to gradually extrude hose 7, combine the sliding cooperation of movable plate 11 and fixed link 10, spring 15 is gradually compressed, the extrusion effect of movable plate 11 is increasingly greater, and then drive pressure roller 14 to extrude hose 7 gradually to semicircular recess inside, and the extrusion force that hose 7 receives is increasingly greater, make the inside diameter of hose 7 gradually smaller, and then make the water flow velocity of hose 7 increase, on the contrary, adjust movable block 9 along the direction of screw rod 8 and move back, and the extrusion effect of spring 15 to movable plate 11 gradually becomes small, drive pressure roller 14 to gradually become small to the extrusion of hose 7, make the inside diameter of hose 7 become big, and then make the water flow velocity of hose 7 become small, reach the purpose of changing the water flow velocity in the test process, adapt to the life of constant temperature water nozzle body 2 under different water flow velocity conditions and test, simple structure, convenient adjustment, and do not need to use multiple gears to adjust, solve the multiple gears and gear rings that need to be set in the prior art, greatly increase the manufacturing and maintenance cost of the device, at the same time, solve the purpose of adjusting the water nozzle life test under different water flow velocities by the engagement of the driving gear and the different ring gear, the operation is more complicated, increase the work burden of the staff, influence the test efficiency of the drawbacks,

[0038] The size of the outlet pipe 5 is short, which ensures that the water flowing out of the hose 7 can quickly enter the constant temperature water nozzle body 2, and then ensures that the test effect of adjusting the water flow velocity by extruding the hose 7 is achieved, which can effectively avoid the length of the outlet pipe 5 being too long, so that the water flow out of the hose 7 is buffered, the speed of the water flow into the constant temperature water nozzle body 2 is reduced, and the test effect is affected.

[0039] It should be further pointed out that the installation structure, connection mode or setting mode of each component in the utility model are common mechanical modes, as long as the beneficial effects can be achieved, and the servo motor 21 and the water pump 24 in the utility model can be purchased on the market, and the skilled person in the art can install and use according to the requirements.

[0040] All the technical features in the embodiment can be freely combined according to actual needs.

[0041] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A temperature-controlled faucet life tester comprising a test bench (1) and a thermostatic faucet body (2), characterized in that, The test bench (1) top rear side is fixed with fixed frame (3), the fixed frame (3) is embedded with water supply pipe (4), the water supply pipe (4) front side is provided with water outlet pipe (5), the water outlet pipe (5) front end is rotatably connected with threaded sleeve (6), the threaded sleeve (6) is screwed with constant temperature water nozzle body (2), the water supply pipe (4) is connected with the water outlet pipe (5) through the connecting head with the hose (7), the fixed frame (3) inner side is provided with screw rod (8), the screw rod (8) is provided with movable block (9) on the screw, the movable block (9) bottom is connected with elastic component, the elastic component lower end is connected with U-shaped frame (13), the U-shaped frame (13) inner side is rotatably installed with pressure roller (14) through the rotating shaft, the pressure roller (14) and the hose (7) are matched with each other.

2. The temperature controlled faucet life testing machine of claim 1, wherein, The elastic component includes fixed rod (10), movable plate (11), movable rod (12) and spring (15), the fixed rod (10) is fixed on the bottom of the movable block (9), the movable plate (11) is movably sleeved on the fixed rod (10), the two movable rods (12) are oppositely fixed on the top of the U-shaped frame (13), and the movable rod (12) top is fixedly connected with the movable plate (11), the two springs (15) are oppositely arranged on the two sides of the fixed rod (10), and the two ends of the spring (15) are fixedly connected with the movable block (9) and the movable plate (11) respectively, and the bottom of the fixed rod (10) is fixedly connected with the limiting block (18).

3. The temperature controlled faucet life testing machine of claim 2, wherein, The inner wall of the fixed frame (3) is fixed with a fixed plate (17), and the top of the fixed plate (17) is provided with a supporting block (16), and the top of the supporting block (16) is provided with a semicircular groove, and the hose (7) is placed in the semicircular groove.

4. The temperature controlled faucet life testing machine of claim 3, wherein, The inner side of the fixed frame (3) is oppositely fixed with two vertical plates (19), and the screw rod (8) is arranged between the two vertical plates (19), and the rear vertical plate (19) is installed with a servo motor (21) on the rear surface, and the output end of the servo motor (21) is connected with the rear end of the screw rod (8), and the screw rod (8) is provided with a guide rod (20) on the upper side, and the guide rod (20) penetrates the movable block (9), and the movable block (9) and the guide rod (20) are slidably connected, and the guide rod (20) is fixedly connected with the front and rear vertical plates (19) at both ends.

5. The temperature controlled faucet life testing machine of claim 4, wherein, The test bench (1) is provided with a through slot (22), and the lower side of the test bench (1) is provided with a water tank (23), and the opening end of the water tank (23) is matched with the through slot (22), and the water outlet pipe (5) and the threaded sleeve (6) are arranged above the through slot (22), and the rear side of the water tank (23) is connected with a water pump (24) through a water suction pipe, and the water outlet of the water pump (24) is communicated with the lower end of the water supply pipe (4).

6. A temperature controlled bib valve life tester according to claim 5 wherein, The top of the fixed plate (17) is fixed with a supporting rod (26), and the outer side of the water outlet pipe (5) is sleeved with a fixed ring (25), and the upper end of the supporting rod (26) is fixedly connected with the fixed ring (25).

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