Silent secondary water supply device

Abstract

The application discloses a mute secondary water supply equipment, which comprises a water tank, a vertical sliding plate arranged in the water tank, a cover plate hinged to the left end of the water tank and used for covering the upper end opening of the water tank, a tank assembly connected with the vertical sliding plate arranged in the water tank, a water pump fixedly arranged in the tank assembly, a first motor used for driving the water pump to rotate, a water inlet pipe communicated with the inlet of the water pump and an intermediate pipe communicated with the outlet of the water pump arranged on the tank assembly, a water outlet pipe arranged above the water tank, a communicating hose arranged between the intermediate pipe and the water outlet pipe, a drain hole arranged at the bottom of the water tank and a plug used for plugging the drain hole, a first electric push rod fixedly arranged at the left side of the water tank and used for driving the cover plate to open or close the water tank, a transmission assembly arranged between the tank assembly and the cover plate, and the mute secondary water supply equipment is simple in structure, mute, and convenient to maintain.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of secondary water supply equipment, in particular to a mute secondary water supply equipment. BACKGROUND

[0002] With the acceleration of urbanization process, more and more people live in high-rise residential, and the primary water source of waterworks cannot be sent to high-rise users, which needs to use secondary water supply equipment to pressurize and deliver the tap water from municipal water pipe to high-rise user end, thereby solving the water use problem of high-rise residents. With the improvement of people's living standards, higher requirements have been put forward for secondary water supply equipment. However, when the secondary water supply equipment is used at present, due to the work of water pump and motor, the secondary water supply equipment will produce a certain size of noise when working, which will affect the rest of the residents. In the prior art, the motor and water pump are generally wrapped with soundproof boards, but this way is not conducive to the heat dissipation of the motor, affecting the service life of the motor. In addition, after the water tank is cleaned, the water pump needs to be refilled and vented to ensure that the water pump can work normally. However, the venting process needs workers to open the vent hole on the water pump shell, then pour tap water into the water pump to complete the venting. This way is more complex to operate, low in efficiency, and consumes a lot of manpower. SUMMARY

[0003] The purpose of the present application is to provide a mute secondary water supply equipment which is not only simple in structure but also mute and easy to maintain.

[0004] To achieve the above purpose, the present application provides the following technical scheme: a mute secondary water supply equipment, comprising a water tank, a vertical sliding plate is arranged in the water tank, a cover plate is hingedly connected to the left end of the water tank, the cover plate is used for covering the upper end opening of the water tank, and a tank assembly connected with the vertical sliding plate is arranged in the water tank; a water pump and a first motor for driving the water pump to rotate are fixedly arranged in the tank assembly; an inlet pipe communicated with the inlet of the water pump and an intermediate pipe communicated with the outlet of the water pump are arranged on the tank assembly, a water outlet pipe is arranged above the water tank, and a connecting hose is arranged between the intermediate pipe and the water outlet pipe; a drain hole is arranged at the bottom of the water tank, and a plug is arranged for plugging the drain hole; a first electric push rod for driving the cover plate to open or close the water tank is fixedly arranged at the left side of the water tank; a transmission assembly is arranged between the tank assembly and the cover plate, when the cover plate opens the water tank, the transmission assembly controls the tank assembly to move upward along the vertical sliding plate to the upper end opening of the water tank and the tank assembly is opened; when the cover plate closes the water tank, the transmission assembly controls the tank assembly to move downward along the vertical sliding plate to the bottom of the water tank and the tank assembly is closed.

[0005] Further, the box assembly comprises a first box shell and a second box shell hinged to the first box shell, the first box shell and the second box shell form a sealed space when closed, the water pump and the first motor are fixed in the first box shell, the water inlet pipe and the intermediate pipe are fixed outside the first box shell; the second box shell is hinged to the right end of the first box shell through a hinge shaft, a torsional spring is sleeved on the hinge shaft, one end of the torsional spring is fixedly connected with the first box shell and the other end is fixedly connected with the second box shell, the torsional spring is used to force the first box shell and the second box shell to separate, when the box assembly moves downward along the vertical slide plate, the second box shell abuts against the vertical slide plate and is sealed and closed with the first box shell; when the box assembly is separated from the vertical slide plate, the second box shell is separated from the first box shell under the action of the torsional spring.

[0006] Further, the first mounting hole is arranged below the hinge shaft in the second box shell, the second mounting hole is arranged at the rear side, the lower end of the second box shell is provided with a positioning hole, a positioning rod is slidably connected in the vertical direction in the second box shell, the lower end of the positioning rod extends into the first mounting hole, the upper end of the positioning rod is used to extend upward into the positioning hole to position the second box shell at the position of sealed closure with the first box shell, a first slide rod is slidably connected in the axial direction of the hinge shaft in the second box shell, the front end of the first slide rod extends into the first mounting hole and is hinged to the lower end of the positioning rod through a first connecting rod, the rear end of the first slide rod extends into the second mounting hole and is provided with a protrusion, the second mounting hole is provided with a first spring for forcing the protrusion to drive the first slide rod to move backward; when the first slide rod moves forward, the first connecting rod pulls the positioning rod to move downward, when the first slide rod moves backward, the first connecting rod pushes the positioning rod to move upward; when the second box shell is in the water tank, the positioning rod extends upward into the positioning hole, when the second box shell moves upward to the upper opening of the water tank, the protrusion abuts against the upper opening of the water tank to push the first slide rod to move forward, the positioning rod is driven downward out of the positioning hole through the first connecting rod.

[0007] Further, the first box is slidably connected with a shutter in the front-rear direction at the outlet of the water pump, the shutter is in the rear end position when the first box is in the lower end position of the water tank, and the shutter is in the front end position when the first box is above the upper end opening of the water tank; the first box is provided with a positioning assembly for positioning the shutter in the front end position or the rear end position; the shutter is provided with a first through hole and a second through hole, the first through hole communicates the outlet of the water pump with the intermediate pipe when the shutter is in the rear end position, and the second through hole communicates the outlet of the water pump with the atmosphere when the shutter is in the front end position; the front inner side wall of the water tank is provided with a front protrusion near the bottom, the front protrusion is provided with a front inclined surface, the front end of the shutter is abutted on the front inclined surface and moves downward with the shutter when the first box drives the shutter to move downward, and the front inclined surface drives the shutter to move to the rear end position; the rear inner side wall of the water tank is provided with a rear protrusion near the upper end, the rear protrusion is provided with a rear inclined surface, the rear end of the shutter is abutted on the rear inclined surface and moves upward with the shutter when the first box drives the shutter to move upward, and the rear inclined surface drives the shutter to move to the front end position.

[0008] Further, the positioning assembly comprises a positioning ball, the first box is provided with a mounting slot with a lower end opening above the shutter, the positioning ball is arranged in the mounting slot, the mounting slot is provided with a second spring for pressing the positioning ball against the shutter, and the upper end of the shutter is provided with a front positioning slot and a rear positioning slot, the positioning ball enters the rear positioning slot when the shutter is in the front end position, and the positioning ball enters the front positioning slot when the shutter is in the rear end position.

[0009] Further, the water pump is provided with a connecting block extending rearward and abutting against the rear side of the first box, the connecting block is provided with a third through hole communicating with the outlet of the water pump, the rear side wall of the first box is provided with a fourth through hole communicating with the third through hole, the third through hole is provided with a one-way valve for controlling water to enter the water pump from the third through hole in one direction, and the rear protrusion is provided with a water inlet hole for communicating with the fourth through hole, the water inlet hole communicates with the fourth through hole when the first box is in the water inlet position.

[0010] Further, the transmission assembly comprises first sliding sleeves hingedly connected side by side to the left inner side wall of the water tank, each first sliding sleeve is slidably connected with a second sliding rod, the other ends of the two second sliding rods are hingedly connected with the left side of the first box, each first sliding sleeve is provided with a third spring for forcing the second sliding rod to extend out, and a parallelogram mechanism is formed between the water tank, the first box, and the two first sliding sleeves and second sliding rods; a second connecting rod is arranged between the cover plate and the first sliding sleeve above, the second connecting rod drives the box body assembly to move upward along the vertical sliding plate through the parallelogram mechanism when the cover plate is opened upward to open the water tank, and the second connecting rod drives the box body assembly to move downward along the vertical sliding plate through the parallelogram mechanism when the cover plate is closed downward to close the water tank.

[0011] Further, the bottom of the water tank is provided with a positioning sleeve, the bottom of the first box shell is provided with a positioning column for inserting the positioning sleeve, and when the first box shell moves to the bottom of the water tank, the positioning column is inserted into the positioning sleeve.

[0012] Advantages

[0013] Compared with the prior art, the technical scheme of the present application has the following advantages:

[0014] 1. In the present application, by setting the box assembly and arranging the first motor and the water pump in the box assembly, when the first motor and the water pump work, the box assembly is arranged in the tap water in the water tank, and due to the fluidity of water, the transmission of noise can be greatly reduced, thereby reducing noise, and at the same time, since the box assembly is arranged in the tap water, the heat generated by the operation of the first motor can be taken away by the tap water, which is beneficial to the cooling of the first motor and prolongs the service life.

[0015] 2. In the present application, by arranging the first sliding sleeve, the third spring, the second sliding rod and the first box shell, and by arranging a vertical sliding plate in the water tank, when the cover plate is hit, the first sliding sleeve, the third spring and the second sliding rod can be swung, thereby driving the box assembly to move upward along the vertical sliding plate, and then driving the box assembly to move to the outside of the water tank, so that the first motor and the water pump in the water tank can be conveniently maintained and repaired.

[0016] 3. In the present application, by arranging the positioning rod in the first box shell, when the first box shell rises out of the water tank, the protrusion contacts the upper end opening of the water tank, driving the positioning rod to unlock the second box shell, and under the action of the torsional spring, the second box shell is automatically opened, and when the box assembly needs to return and descend, the upper end opening plate of the water tank pushes the second box shell to overcome the torsional spring to rotate, and under the action of the first spring, the positioning rod positions the second box shell, and the second box shell is reinstalled without manual disassembly and assembly, which is convenient and fast.

[0017] 4. In the present application, by arranging the gate plate in the water pump, when the box assembly rises, the gate plate cooperates with the rear inclined surface to push the gate plate to move to the front end position to close the water outlet of the water pump, and when the water inlet and the fourth through hole coincide, the water flowing out of the water inlet can enter the water pump through the one-way valve, thereby completing the exhaust, and when the box assembly descends and resets, the front inclined surface cooperates with the gate plate to push the gate plate to move to the rear end position to open the water outlet of the water pump, thereby realizing automatic exhaust without manual operation and saving manpower. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a sectional view of the present application;

[0019] Figure 2 is a sectional view of the present application Figure 1 in A-A direction;

[0020] Figure 3 For the invention Figure 1 Enlarged view at I;

[0021] Figure 4 For the invention Figure 3 B-B direction sectional view;

[0022] Figure 5 For the invention Figure 1 Enlarged view at II. DETAILED DESCRIPTION

[0023] Please refer to Figures 1-5 As shown in the figure, a mute secondary water supply equipment, comprising a water tank 11, the water tank 11 is provided with a vertical slide plate 15, the left end of the water tank 11 is hinged with a cover plate 16, the cover plate 16 is used to cover the upper end opening 113 of the water tank 11, the water tank 11 is provided with a tank assembly connected with the vertical slide plate 15; the tank assembly is fixedly provided with a water pump 6, and a first motor 7 for driving the water pump 6 to rotate; the tank assembly is provided with a water inlet pipe 513 communicated with the inlet of the water pump 6, and an intermediate pipe 6a communicated with the outlet of the water pump 6, the upper of the water tank 11 is provided with a water outlet pipe 21, the intermediate pipe 6a and the water outlet pipe 21 are provided with a communication hose 22; the bottom of the water tank 11 is provided with a drain hole 17, and a plug 17a for plugging the drain hole 17; the left side of the water tank 11 is fixedly provided with a first electric push rod 4 for driving the cover plate 16 to open or close the water tank 11; the tank assembly and the cover plate 16 are provided with a transmission assembly, when the cover plate 16 opens the water tank 11, the transmission assembly controls the tank assembly to move upward along the vertical slide plate 15 to the upper end opening of the water tank 11 and the tank assembly is opened; when the cover plate 16 closes the water tank 11, the transmission assembly controls the tank assembly to move downward along the vertical slide plate 15 to the bottom of the water tank 11 and the tank assembly is closed.

[0024] The box assembly comprises a first box shell 51 and a second box shell 52 hinged on the first box shell 51, the first box shell 51 and the second box shell 52 form a closed space when closed, the water pump 6 and the first motor 7 are fixed in the first box shell 51, the water inlet pipe 513 and the intermediate pipe 6a are fixed outside the first box shell 51; the second box shell 52 is hinged on the right end of the first box shell 51 through a hinge shaft 5a, a torsional spring 53 is sleeved on the hinge shaft 5a, one end of the torsional spring 53 is fixedly connected with the first box shell 51 and the other end is fixedly connected with the second box shell 52, the torsional spring 53 is used for forcing the first box shell 51 and the second box shell 52 to separate, when the box assembly moves downward along the vertical slide plate 15, the second box shell 52 abuts against the vertical slide plate 15 and is sealed and closed with the first box shell 51; when the box assembly is separated from the vertical slide plate 15 upward, the second box shell 52 is separated from the first box shell 51 under the action of the torsional spring 53. The bottom of the water tank 11 is provided with a positioning sleeve 111, the bottom of the first box shell 51 is provided with a positioning column 511 for inserting into the positioning sleeve 111, when the first box shell 51 moves to the bottom of the water tank 11, the positioning column 511 is inserted into the positioning sleeve 111.

[0025] The first installation hole 5c is arranged below the hinge shaft 5a in the second box shell 52, the second installation hole 5d is arranged at the rear side, the lower end of the second box shell 52 is provided with a positioning hole 5b, the positioning rod 81 is slidably connected in the vertical direction in the second box shell 52, the lower end of the positioning rod 81 extends into the first installation hole 5c, the upper end of the positioning rod 81 is used for extending upward into the positioning hole 5b to position the second box shell 52 at the position of sealed closing with the first box shell 51, the first slide rod 82 is slidably connected in the axial direction of the hinge shaft 5a in the second box shell 52, the front end of the first slide rod 82 extends into the first installation hole 5c and is hinged with the lower end of the positioning rod 81 through the first connecting rod 83, the rear end of the first slide rod 82 extends into the second installation hole 5d and is provided with a protrusion 8a, the first spring 84 for forcing the protrusion 8a to drive the first slide rod 82 to move backward is arranged in the second installation hole 5d; when the first slide rod 82 moves forward, the first connecting rod 83 pulls the positioning rod 81 to move downward, when the first slide rod 82 moves backward, the first connecting rod 83 pushes the positioning rod 81 to move upward; when the second box shell 52 is in the water tank 11, the positioning rod 81 extends upward into the positioning hole 5b, when the second box shell 52 moves upward to the upper end opening 113 of the water tank 11, the protrusion 8a collides with the upper end opening 113 of the water tank 11 to push the first slide rod 82 to move forward, the positioning rod 81 is driven downward out of the positioning hole 5b through the first connecting rod 83.

[0026] The first box 51 is slidably connected with a shutter 62 in the front-rear direction at the outlet of the water pump 6. When the first box 51 is at the lower end position of the water tank 11, the shutter 62 is at the rear end position. When the first box 51 is above the upper end opening 113 of the water tank 11, the shutter 62 is at the front end position. A positioning assembly is arranged in the first box 51 to position the shutter 62 at the front end position or the rear end position. The shutter 62 is provided with a first through hole 62a and a second through hole 621. When the shutter 62 is at the rear end position, the first through hole 62a connects the outlet of the water pump 6 with the intermediate pipe 6a. When the shutter 62 is at the front end position, the second through hole 621 connects the outlet of the water pump 6 with the atmosphere. The front inner side wall of the water tank 11 is provided with a front protrusion 1a near the bottom. The front protrusion 1a is provided with a front inclined surface 14. When the first box 51 drives the shutter 62 to move downward, the front end of the shutter 62 is in contact with the front inclined surface 14 and moves downward along the front inclined surface 14. The front inclined surface 14 drives the shutter 62 to move to the rear end position. The rear inner side wall of the water tank 11 is provided with a rear protrusion 1b near the upper end. The rear protrusion 1b is provided with a rear inclined surface 13. When the first box 51 drives the shutter 62 to move upward, the rear end of the shutter 62 is in contact with the rear inclined surface 13 and moves upward along the rear inclined surface 13. The rear inclined surface 13 drives the shutter 62 to move to the front end position.

[0027] The positioning assembly includes a positioning ball 64. The first box 51 is provided with a lower-end opening mounting groove 6d above the shutter 62. The positioning ball 64 is arranged in the mounting groove 6d. The mounting groove 6d is provided with a second spring 6c for pressing the positioning ball 64 against the shutter 62. The upper end of the shutter 62 is provided with a front positioning groove 6e and a rear positioning groove 6f. When the shutter 62 is at the front end position, the positioning ball 64 is in the rear positioning groove 6f. When the shutter 62 is at the rear end position, the positioning ball 64 is in the front positioning groove 6e.

[0028] The water pump 6 is provided with a connecting block 61 extending rearward and in contact with the rear side of the first box 51. The connecting block 61 is provided with a third through hole 6g connected with the outlet of the water pump 6. The rear side wall of the first box 51 is provided with a fourth through hole 514 connected with the third through hole 6g. The third through hole 6g is provided with a one-way valve 63 for controlling water to flow into the water pump 6 through the third through hole 6g in one direction. The rear protrusion 1b is provided with a water inlet hole 12 connected with the fourth through hole 514. When the first box 51 is at the water inlet position, the water inlet hole 12 is connected with the fourth through hole 514.

[0029] The transmission assembly comprises first sliding sleeves 31 hingedly arranged side by side on the left inner side wall of the water tank 11, each first sliding sleeve 31 is slidably connected with a second sliding rod 32, the other ends of the two second sliding rods 32 are hingedly connected with the left side of a first tank shell 51, each first sliding sleeve 31 is provided with a third spring 33 for forcing the second sliding rod 32 to extend out, a parallelogram mechanism is formed between the water tank 11, the first tank shell 51, and the two first sliding sleeves 31 and the second sliding rods 32; a second connecting rod 161 is arranged between the cover plate 16 and the first sliding sleeve 31 above, when the cover plate 16 is opened upward to open the water tank 11, the second connecting rod 161 drives the tank assembly to move upward along the vertical sliding plate 15 through the parallelogram mechanism, when the cover plate 16 is closed downward to close the water tank 11, the second connecting rod 161 drives the tank assembly to move downward along the vertical sliding plate 15 through the parallelogram mechanism.

[0030] When the present application is used, in order to ensure the cleanliness of tap water, a one-way valve 63 and a filter screen need to be added to the water inlet pipe 513 first, when the tap water is used by high-rise residents and the secondary water supply equipment is working normally, the first motor 7 is started to drive the water pump 6 to work, the water in the water tank 11 is sucked into the water pump 6 from the water inlet pipe 513, is discharged through the pressurization of the water pump 6, is then supplied to the water outlet pipe 21 of the water tank 11 through the communication hose 22, and is then supplied to the residents for use.

[0031] When the water tank 11 needs to be cleaned, the plug 17a at the drain hole 17 needs to be opened first, the tap water in the water tank 11 is drained, then the first electric push rod 4 is controlled to retract, the cover plate 16 is turned upward, the first sliding sleeve 31 is swung upward through the second connecting rod 161, the first sliding sleeve 31 and the second sliding rod 32 drive the first tank shell 51 to move upward due to the parallelogram mechanism, the second tank shell 52 moves upward along the vertical sliding plate 15 due to the action of the vertical sliding plate 15 and the third spring 33, when the shutter 62 and the rear inclined surface 13 touch, the shutter 62 is pushed to move forward to the front end position (in the middle), the positioning ball 64 enters the rear positioning groove 6f to position the shutter 62, the shutter 62 closes the water outlet of the water pump 6, at this time, one end of the second through hole 621 is connected with the water outlet of the water pump 6, and the other end is connected with the inner cavity of the first tank shell 51, when the protrusion 8a of the first sliding rod 82 touches the upper end opening 113 of the water tank 11, the first sliding rod 82 is pushed to move forward (in the middle) against the first spring 84, at the same time, the positioning rod 81 is lowered to be separated from the positioning hole 5b through the first connecting rod 83, the second tank shell 52 is unlocked, the second tank shell 52 is turned outward under the action of the torsional spring 53, and then the first tank shell 51 is opened, so that the first motor 7 and the water pump 6 are maintained. Figure 5 Figure 4 When the first tank shell 51 moves out of the water tank 11, the first tank shell 51 is always attached to the vertical sliding plate 15, after the water in the water tank 11 is drained, the water tank 11 can be cleaned. ​

[0032] When the water tank 11 is cleaned, the first electric push rod 4 is controlled to extend, driving the cover plate 16 to rotate, and driving the first sliding sleeve 31 to swing downward through the second connecting rod 161, and driving the first tank shell 51 to descend through the cooperation of the second sliding rod 32, and driving the first tank shell 51 to descend along the vertical sliding plate 15 through the action of the third spring 33 and the vertical sliding plate 15, and when the second tank shell 52 and the vertical sliding plate 15 on the upper side touch, the second tank shell 52 is pushed to rotate against the torsional spring 53, and when the second tank shell 52 covers, the positioning rod 81 is driven to ascend into the positioning hole 5b under the action of the first spring 84 to position the second tank shell 52, and the first tank shell 51 is closed, and when the fourth through hole 514 and the water inlet hole 12 of the water tank 11 coincide, tap water in the municipal water pipe enters the fourth through hole 514 through the water inlet hole 12, enters the water pump 6 through the one-way valve 63, and then the air in the water pump 6 is discharged through the second through hole 621, and the automatic air exhaust is completed, and when the first tank shell 51 moves downward, the shutter 62 and the front inclined surface 14 cooperate, the shutter 62 is pushed to move to the rear end position, the positioning ball 64 enters the front positioning groove 6e to position the shutter 62 at the rear end position, and when the first tank shell 51 moves to the lowermost position, the positioning column 511 enters the positioning sleeve 111 to position the first tank shell 51, and the reset of the working tank is completed.

[0033] The above is only the preferred embodiment of the present application, and it should be noted that for ordinary skilled in the art, without departing from the technical principles of the present application, several improvements and refinements can be made, and these improvements and refinements should be considered as the protection scope of the present application.

Claims

1. A silent secondary water supply equipment, characterized in that: The water tank is provided with a vertical slide, the left end of the water tank is hingedly connected to a cover plate, the cover plate is used to cover the upper end opening of the water tank, and the water tank is provided with a box assembly connected to the vertical slide; a water pump and a first motor for driving the water pump to rotate are fixedly provided in the box assembly; a water inlet pipe connected to the inlet of the water pump and an intermediate pipe connected to the outlet of the water pump are provided on the box assembly, a water outlet pipe is provided above the water tank, and a connecting hose is provided between the intermediate pipe and the outlet pipe; a drain hole is provided at the bottom of the water tank, and a plug for sealing the drain hole is provided; a first electric push rod for driving the cover plate to open or close the water tank is fixedly provided on the left side of the water tank; a transmission assembly is provided between the box assembly and the cover plate, and when the cover plate opens the water tank, the transmission assembly controls the box assembly to move upward along the vertical slide plate to the upper end opening of the water tank and the box assembly is opened; when the cover plate closes the water tank, the transmission assembly controls the box assembly to move downward along the vertical slide plate to the bottom of the water tank and the box assembly is closed; The box body assembly includes a first box shell and a second box shell hinged on the first box shell, and the first box shell and the second box shell form a closed space when they are closed, the water pump and the first motor are both fixed in the first box shell, and the water inlet pipe and the intermediate pipe are both fixed on the outside of the first box shell; the second box shell is hinged to the right end of the first box shell by a hinge shaft, and a torsion spring is sleeved on the hinge shaft, one end of the torsion spring is fixedly connected to the first box shell, and the other end is fixedly connected to the second box shell, and the torsion spring is used to force the first box shell and the second box shell to separate, and when the box body assembly moves downward along the vertical slide, the second box shell contacts the vertical slide and is sealed and closed with the first box shell; when the box body assembly moves upward and disengages from the vertical slide, the second box shell is separated from the first box shell under the action of the torsion spring; The second box shell is provided with a first mounting hole below the hinge shaft and a second mounting hole on the rear side surface. The lower end of the second box shell is provided with a positioning hole. The second box shell is slidably connected to a positioning rod in a vertical direction. The lower end of the positioning rod extends into the first mounting hole, and the upper end of the positioning rod is used to extend upward into the positioning hole to position the second box shell in a position sealed and closed with the first box shell. The second box shell is slidably connected to a first slide bar along the axial direction of the hinge shaft. The front end of the first slide bar extends into the first mounting hole and is hinged to the lower end of the positioning rod through the first connecting rod. The rear end of a sliding rod extends into the second mounting hole and is provided with a protrusion, and the second mounting hole is provided with a first spring for forcing the protrusion to drive the first sliding rod to move backward; when the first sliding rod moves forward, the first connecting rod pulls the positioning rod to move downward, and when the first sliding rod moves backward, the first connecting rod pushes the positioning rod to move upward; when the second box shell is in the water tank, the positioning rod extends upward into the positioning hole, and when the second box shell moves upward to the upper end opening of the water tank, the protrusion touches the upper end opening of the water tank and pushes the first sliding rod to move forward, and drives the positioning rod downward to disengage from the positioning hole through the first connecting rod.

2. The silent secondary water supply equipment according to claim 1, characterized in that: A gate is slidably connected to the outlet of the water pump in the front-to-back direction in the first housing. When the first housing is at the lower end position of the water tank, the gate is at the rear end position, and when the first housing is above the upper end opening of the water tank, the gate is at the front end position; a positioning component is provided in the first housing, and the positioning component is used to position the gate at the front end position or the rear end position; a first through hole and a second through hole are provided in the gate, and when the gate is at the rear end position, the first through hole connects the outlet of the water pump with the intermediate pipe, and when the gate is at the front end position, the The second through hole connects the outlet of the water pump with the atmosphere; the front inner wall of the water tank is provided with a front protrusion near the bottom, and the front protrusion is provided with a front inclined surface. When the first box shell drives the gate plate to move downward, the front end of the gate plate abuts against the front inclined surface and moves downward with the gate plate, and the front inclined surface pushes the gate plate to move to the rear end position; the rear inner wall of the water tank is provided with a rear protrusion near the upper end, and the rear protrusion is provided with a rear inclined surface. When the first box shell drives the gate plate to move upward, the rear end of the gate plate abuts against the rear inclined surface and moves upward with the gate plate, and the rear inclined surface pushes the gate plate to move to the front end position.

3. The silent secondary water supply equipment according to claim 2, characterized in that: The positioning assembly includes a positioning ball. A mounting groove with an open lower end is provided above the gate plate in the first box shell. The positioning ball is arranged in the mounting groove. A second spring is provided in the mounting groove for forcing the positioning ball to press against the gate plate. A front positioning groove and a rear positioning groove are provided at the upper end of the gate plate. When the gate plate is in the front end position, the positioning ball enters the rear positioning groove. When the gate plate is in the rear end position, the positioning ball enters the front positioning groove.

4. The silent secondary water supply equipment according to claim 3, characterized in that: The water pump is provided with a connecting block extending backward and abutting against the rear side of the first tank shell, the connecting block is provided with a third through hole connected to the outlet of the water pump, the rear side wall of the first tank shell is provided with a fourth through hole connected to the third through hole, the third through hole is provided with a one-way valve, the one-way valve is used to control the one-way entry of water into the water pump through the third through hole; the rear convex block is provided with a water inlet hole for communicating with the fourth through hole, and when the first tank shell is in the water inlet position, the water inlet hole is connected to the fourth through hole.

5. The silent secondary water supply equipment according to claim 2, characterized in that: The transmission assembly includes a first sliding sleeve hinged side by side on the left inner wall of the water tank, each first sliding sleeve is slidably connected to a second sliding rod, the other ends of the two second sliding rods are hinged to the left side of the first box shell, each first sliding sleeve is provided with a third spring for forcing the second sliding rod to extend, a parallelogram mechanism is formed between the water tank, the first box shell, and the two first sliding sleeves and the second sliding rods; a second connecting rod is provided between the cover plate and the first sliding sleeve at the top, when the cover plate opens the water tank upward, the second connecting rod drives the box body assembly to move upward along the vertical slide through the parallelogram mechanism, and when the cover plate closes the water tank downward, the second connecting rod drives the box body assembly to move downward along the vertical slide through the parallelogram mechanism.

6. The silent secondary water supply equipment according to claim 2, characterized in that: A positioning sleeve is provided at the bottom of the water tank, and a positioning column for inserting the positioning sleeve is provided at the bottom of the first tank shell. When the first tank shell moves to the bottom of the water tank, the positioning column is inserted into the positioning sleeve.

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