Automatic starting and stopping tool for intelligent water faucet for testing water purifier

Abstract

The utility model discloses an automatic starting and stopping tool for an intelligent faucet for testing a water purifier. The automatic starting and stopping tool comprises a mechanical arm, a clamping jaw, a fixing cylinder, a supporting frame, a capacitance pen and a grounding wire. A clamping body is arranged on the supporting frame and used for clamping the intelligent faucet. The operating end of the mechanical arm is provided with a first connecting piece, the clamping jaw and the fixing cylinder are provided with same second connecting pieces, and the clamping jaw or the fixing cylinder is detachably connected to the first connecting piece of the mechanical arm through the second connecting pieces; a first threaded through hole is formed in the side wall of the fixing cylinder, and a first fixing bolt is arranged in the first threaded through hole in a threaded fit mode. The capacitance pen is movably clamped on the clamping jaw; or the capacitance pen is inserted into the fixing cylinder and is abutted against the side wall of the capacitance pen for positioning through the first fixing bolt; the capacitance pen is grounded through a grounding wire. The device is suitable for detecting the under-kitchen installation mode water purifier with the intelligent faucet, the water outlet continuity during detection is improved, the detection efficiency is improved, and the device is simple in structure, high in practicability, suitable for various models and convenient to popularize.

Description

TECHNICAL FIELD

[0001] The utility model relates to a water purifier test intelligent faucet automatic start -stop tool belongs to kitchen water purifier test technical field. BACKGROUND

[0002] Household water purifier is the depth treatment drinking water device of tap water. With the improvement of people's life quality, household water purifier is used by more and more families.

[0003] At present, the quality of water purifier products is more, and the quality of products is uneven. Through the analysis of the quality of domestic water purifier in recent years, the quality problem of water purifier product is endless, and the unqualified rate of water purifier product sold in the market is still high.

[0004] In order to ensure the interests of consumers, it is necessary to detect water purifier. GB 34914-2021 "water efficiency limited value and water efficiency grade of reverse osmosis water purifier" has been formally implemented on July 1, 2022, the new standard increases the water efficiency detection and grading requirements of water purifier with nanofiltration membrane as the main purification element, and clearly defines the application object of new national standard as small water purifier for household or similar places, and clearly defines large water purifier and small water purifier.

[0005] At present, the household water purifier on the market includes kitchen installation mode and table type. The water purifier of kitchen installation mode is generally installed at the bottom of kitchen sink, and the matched faucet is installed on the table beside the sink. With the continuous iteration and update of water purifier products, the water purifier of kitchen installation mode is more and more widely used with intelligent faucet. The intelligent faucet has water protection function in the actual operation process of water purifier, that is, it will automatically stop after 1-5 minutes of water outlet, and it needs to reopen the intelligent faucet to continue water outlet. During the water efficiency test of water purifier, the machine needs to continuously outlet water for at least 8 hours a day. When testing the water efficiency of multiple water purifiers with intelligent faucet, the intelligent faucet needs to be opened manually to continue water outlet, which is a large workload. Therefore, an automatic start-stop tool for water purifier intelligent faucet needs to be designed, which can control continuous water outlet through automatic device to improve test efficiency and reduce workload. UTILITY MODEL CONTENTS

[0006] The utility model provides a water purifier test intelligent faucet automatic start -stop tool, be applicable to the detection of kitchen installation mode water purifier with intelligent faucet, improve the water continuity of detection time, improve the detection efficiency, and simple structure, strong practicality.

[0007] To solve the above technical problems, the technical scheme adopted by the utility model is as follows:

[0008] A water purifier test intelligent faucet automatic start-stop tool, comprising a mechanical arm, a clamping jaw, a fixing cylinder, a support frame, a capacitance pen and a grounding wire;

[0009] The support frame comprises a base, a support rod and a clamping body, the support rod is vertically arranged on the base, one end of the clamping body is a clamping end, and the other end is a connecting end, and the connecting end of the clamping body is connected to the support rod;

[0010] The operating end of the mechanical arm is provided with a first connecting piece, the clamping jaw and the fixing cylinder are provided with the same second connecting piece, and the clamping jaw or the fixing cylinder is detachably connected to the first connecting piece of the mechanical arm through the second connecting piece; a first threaded hole is arranged on the side wall of the fixing cylinder, and a first fixing bolt is threadedly connected in the first threaded hole;

[0011] The capacitance pen is movably clamped on the clamping jaw, or the capacitance pen is inserted into the fixing cylinder and positioned by abutting against the side wall of the capacitance pen through the first fixing bolt; and the capacitance pen is grounded through the grounding wire.

[0012] The intelligent faucet includes a mechanical type and a touch screen type. The water purifier has a water outlet electromagnetic valve, which will be automatically closed when the time exceeds, and needs to be re-opened to activate the faucet. The mechanical type intelligent faucet needs to close the mechanical knob on the mechanical type intelligent faucet first, and then open it again to continue water outlet; and the touch screen type intelligent faucet needs to touch the water outlet button on the screen to continue water outlet.

[0013] When the intelligent faucet is a mechanical type intelligent faucet, the clamping jaw is detachably connected to the first connecting piece of the mechanical arm through the second connecting piece; the mechanical type intelligent faucet is clamped on the clamping body of the support frame, and the clamping jaw movably clamps the water outlet switch of the mechanical type intelligent faucet to rotate clockwise and counterclockwise, thereby controlling the closure of the water outlet switch. For example, the water outlet switch of the mechanical type intelligent faucet rotates clockwise to open and counterclockwise to close, the test starts, the clamping jaw drives the water outlet switch of the faucet to rotate clockwise, so that the water outlet switch is opened, the water purifier starts to outlet water, after n minutes (the water outlet protection function of the water purifier, which is generally 1-5 minutes, not the same for different models), the water outlet is automatically stopped due to the protection function of the water purifier, the clamping jaw drives the water outlet switch of the faucet to rotate counterclockwise first and then clockwise, so that the water outlet switch is closed and then opened, the water outlet function of the water purifier is activated to continue to outlet water, and the cycle is repeated.

[0014] Since the capacitance pen is thin, in order to ensure stability, the capacitance pen is preferably inserted into the fixing cylinder and positioned by abutting against the side wall of the capacitance pen through the first fixing bolt. That is, the capacitance pen is preferably positioned by the fixing cylinder.

[0015] When the intelligent faucet is a touch screen type intelligent faucet, the fixed cylinder is detachably connected to the first connecting piece of the mechanical arm through the second connecting piece; the touch screen type intelligent faucet is clamped on the clamping body of the support frame, the capacitive pen is located directly above the touch screen type intelligent faucet, the tip of the capacitive pen is directly opposite to the water outlet button on the touch screen of the touch screen type intelligent faucet, and the mechanical arm can drive the capacitive pen to move up and down so that the tip of the capacitive pen touches or leaves the water outlet button on the touch screen. The top of the touch screen type intelligent faucet is provided with a touch screen, and the touch screen is provided with a water outlet button. When the test starts, the mechanical arm drives the capacitive pen to move downward, so that the tip of the capacitive pen touches the water outlet button on the touch screen, the water purifier starts to discharge water, the mechanical arm drives the capacitive pen to move upward and leave the water outlet button, after n minutes, the water discharge is automatically stopped due to the protection function of the water purifier, the mechanical arm drives the capacitive pen to move downward, so that the tip of the capacitive pen touches the water outlet button on the touch screen, the water purifier starts to discharge water, the water discharge function of the water purifier is activated to continue to discharge water, the mechanical arm drives the capacitive pen to move upward and leave the water outlet button, and the cycle is repeated.

[0016] The water purifier test intelligent faucet automatic start-stop tool described above also comprises a PLC control platform, the mechanical arm is connected with the PLC control platform and is controlled by the PLC control platform. The specific control method refers to the existing mature technology, the motion path of the mechanical arm and the repeated start-stop time are set according to the water discharge time of the water purifier to be tested, and the specific control method is not particularly improved in the application, so it is not repeated here.

[0017] In order to facilitate use, the connecting end of the clamping body is adjustably connected to the support rod in an up-down direction.

[0018] In order to improve the structural stability of the device, the cross section of the support rod is a square structure; the connecting end of the clamping body is provided with a square through hole, a second threaded hole is formed in the side wall of the square through hole, a second fixing bolt is threadedly connected to the inner side of the second threaded hole, and the clamping body is sleeved on the support rod through the square through hole and is fixed to the support rod by the second fixing bolt.

[0019] As one of the specific implementation schemes, the mechanical arm comprises a seat body, a first driving device, a first mechanical arm, a second driving device, a second mechanical arm, a third driving device and a first connecting piece;

[0020] The bottom of the first mechanical arm is hingedly connected to the seat body and is driven to rotate by the first driving device; the bottom of the second mechanical arm is hingedly connected to the top of the first mechanical arm and is driven to rotate by the second driving device; the third driving device is connected to the top of the second mechanical arm, the first connecting piece is installed on the third driving device and rotates forward and backward under the driving of the third driving device.

[0021] When the smart faucet is a touch screen type smart faucet, the third driving device is not working. When the smart faucet is a mechanical type smart faucet, the third driving device drives the clamping jaw to rotate the water outlet switch of the mechanical type smart faucet, so as to realize the opening and closing.

[0022] When the PLC control platform is adopted, the first driving device, the second driving device and the third driving device are connected with the PLC control platform and are controlled by the PLC control platform.

[0023] As a specific implementation scheme, the first driving device and the second driving device are a reduction motor, an air cylinder or an oil cylinder, and the third driving device is a reduction motor.

[0024] In order to facilitate installation and connection, as one of the specific implementation schemes, the first connecting piece includes a sleeve, two clamping ears and a connecting bolt, the sleeve is sleeved and fixed on the rotating shaft of the third driving device, the two clamping ears are oppositely arranged on the side wall of the sleeve, and the two clamping ears are provided with oppositely arranged first mounting holes; the second connecting piece is a connecting ear, which is connected to the clamping jaw or the fixing cylinder, and the connecting ear is provided with a second mounting hole; the connecting ear is located between the two clamping ears, the connecting bolt passes through the two first mounting holes and the second mounting hole at the same time, and is fixed by a nut.

[0025] The opening and closing of the water outlet switch of the mechanical type smart faucet requires very small force. The sleeve and the rotating shaft can be fixed in various ways, such as by setting a gasket between the sleeve and the rotating shaft, and being relatively fixed by friction force, which can meet the stability requirements of the opening and closing of the water outlet switch. For example, holes can be simultaneously formed in the sleeve and the rotating shaft, a bolt is used to pass through the holes formed in the sleeve and the rotating shaft at the same time, and is fixed by a nut. This way is convenient to disassemble and assemble, and is stable and firm.

[0026] The tool can realize the continuous water outlet function of the smart faucet of different models of water purifiers.

[0027] The technologies not mentioned in the utility model refer to the prior art.

[0028] The utility model discloses a water purifier test intelligent water faucet automatic start-stop tool, and is suitable for the detection of the water purifier with the under-kitchen installation mode intelligent water faucet. It is suitable for touch screen type intelligent water faucet and mechanical type intelligent water faucet, improves the water outlet continuity during detection, improves the detection efficiency, relieves the pressure of the staff, reduces the workload, has simple structure, strong practicality, is suitable for various models and is convenient to popularize. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a structure schematic view of a touch screen type smart faucet.

[0030] Figure 2 It isFigure 1 Top view;

[0031] Figure 3 A schematic diagram of a mechanical intelligent faucet structure;

[0032] Figure 4 Schematic diagram of the structure of the smart faucet automatic start / stop fixture for testing water purifiers Figure 1 ;

[0033] Figure 5 Schematic diagram of the structure of the smart faucet automatic start / stop fixture for testing water purifiers Figure 2 ;

[0034] Figure 6 Schematic diagram of the structure of the smart faucet automatic start / stop fixture for testing water purifiers Figure 3 ;

[0035] In the diagram, 1 is a touchscreen smart faucet, 11 is a touchscreen, 12 is a water dispensing button, 2 is a mechanical smart faucet, 21 is a water dispensing switch, 3 is a robotic arm, 31 is a base, 32 is a first drive device, 33 is a first robotic arm, 34 is a second drive device, 35 is a second robotic arm, 36 is a third drive device, 37 is a first connector, 4 is a gripper, 5 is a fixing cylinder, 6 is a support frame, 61 is a base, 62 is a support rod, 63 is a clamp, 7 is a capacitive pen, and 8 is a grounding wire. Detailed Implementation

[0036] To better understand this utility model, the following embodiments further illustrate the content of this utility model, but the content of this utility model is not limited to the following embodiments.

[0037] The directional terms used in this application, such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," are based on the orientation or positional relationship shown in the accompanying drawings or in the usage state, and are only for the convenience of describing this application. They are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting this application.

[0038] Example 1

[0039] like Figures 4-6 As shown, a water purifier testing fixture for automatic start-stop of a smart faucet includes: a robotic arm, grippers, a fixed cylinder, a support frame, a capacitive pen, and a grounding wire;

[0040] The support frame includes a base, a support rod, and a clamp. The support rod is vertically mounted on the base. One end of the clamp is a clamping end, and the other end is a connecting end. The connecting end of the clamp is connected to the support rod.

[0041] The operating end of the mechanical arm is provided with a first connecting piece, the clamping jaw and the fixing cylinder are provided with the same second connecting piece, and the clamping jaw or the fixing cylinder is detachably connected to the first connecting piece of the mechanical arm through the second connecting piece; a first threaded through hole is arranged on the side wall of the fixing cylinder, and a first fixing bolt is threadedly matched in the first threaded through hole;

[0042] The capacitive pen is movably clamped on the clamping jaw, or the capacitive pen is inserted into the fixing cylinder and positioned by the first fixing bolt and the side wall of the capacitive pen; and the capacitive pen is grounded through the grounding wire.

[0043] As shown in Figures 1-3 , the intelligent faucet includes a mechanical type and a touch screen type. The water purifier has a water outlet electromagnetic valve, which will be automatically closed when the time exceeds, and the faucet needs to be re-opened to activate. As shown in Figure 3 , the mechanical intelligent faucet needs to close the mechanical knob on the mechanical intelligent faucet first, and then open it again to continue water outlet; as shown in Figures 1-2 , and the touch screen intelligent faucet needs to touch the water outlet button on the screen to continue water outlet.

[0044] Embodiment 2

[0045] On the basis of embodiment 1, the following improvements are further made: as shown in Figure 6 , when the intelligent faucet is a mechanical intelligent faucet, the clamping jaw is detachably connected to the first connecting piece of the mechanical arm through the second connecting piece; the mechanical intelligent faucet is clamped on the clamping body of the support frame, and the clamping jaw movably clamps the water outlet switch of the mechanical intelligent faucet to rotate clockwise and counterclockwise to control the closure of the water outlet switch. For example, the water outlet switch of the mechanical intelligent faucet is opened by rotating clockwise and closed by rotating counterclockwise, the test starts, the clamping jaw drives the water outlet switch of the faucet to rotate clockwise, so that the water outlet switch is opened, the water purifier starts to outlet water, and after 1-5 minutes, the water outlet is automatically stopped due to the protection function of the water purifier, the clamping jaw drives the water outlet switch of the faucet to rotate counterclockwise first and then clockwise, so that the water outlet switch is closed and then opened, and the water outlet function of the water purifier is activated to continue to outlet water, and the cycle continues.

[0046] Embodiment 3

[0047] On the basis of embodiment 1, the following improvements are further made: as shown in Figure 5 , when the intelligent faucet is a touch screen type intelligent faucet, a structure similar to that of embodiment 2 is adopted, and the capacitive pen is clamped by the clamping jaw.

[0048] Embodiment 4

[0049] On the basis of embodiment 1, the following improvements are further made: as shown in Figure 4As shown, when the intelligent faucet is a touch screen type intelligent faucet, the fixed cylinder is detachably connected to the first connecting piece of the mechanical arm through the second connecting piece; the touch screen type intelligent faucet is clamped on the clamping body of the support frame, the capacitive pen is located directly above the touch screen type intelligent faucet, and the tip of the capacitive pen directly faces the water outlet button on the touch screen of the touch screen type intelligent faucet. The mechanical arm can drive the capacitive pen to move up and down, so that the tip of the capacitive pen touches or leaves the water outlet button on the touch screen. The top of the touch screen type intelligent faucet is provided with a touch screen, and the touch screen is provided with a water outlet button. When the test starts, the mechanical arm drives the capacitive pen to move downward, so that the tip of the capacitive pen touches the water outlet button on the touch screen. The water purifier starts to discharge water. The mechanical arm drives the capacitive pen to move upward and leave the water outlet button. After n minutes, due to the protection function of the water purifier itself, the water discharge is automatically stopped. The mechanical arm drives the capacitive pen to move downward, so that the tip of the capacitive pen touches the water outlet button on the touch screen. The water purifier starts to discharge water. The water purifier discharge function is activated to continue to discharge water. The mechanical arm drives the capacitive pen to move upward and leave the water outlet button. The above process is repeated.

[0050] Embodiment 5

[0051] On the basis of embodiments 1-4, the following improvements are further made: the above-mentioned water purifier test intelligent faucet automatic start-stop device further comprises a PLC control platform, the mechanical arm is connected with the PLC control platform and is controlled by the PLC control platform. The specific control method refers to the existing mature technology. According to the water discharge time of the water purifier to be tested, the motion path of the mechanical arm and the repeated start-stop time are set. The specific control method is not improved in this application, and therefore is not described herein.

[0052] Embodiment 6

[0053] On the basis of embodiments 1-5, the following improvements are further made: in order to facilitate use, the connecting end of the clamping body is adjustably connected to the support rod in an up-down direction. In order to improve the structural stability of the device, the cross section of the support rod is a square structure, the bottom of the support rod is a cylindrical structure and is provided with external threads, the bottom of the support rod is threadedly connected to a blind hole in the base, the inner side wall of the blind hole is provided with internal threads, and the connecting end of the clamping body is provided with a square through hole, the side wall of the square through hole is provided with a second threaded hole, and a second fixing bolt is threadedly fitted in the second threaded hole. The clamping body is sleeved on the support rod through the square through hole and is fixed to the support rod by the second fixing bolt.

[0054] Embodiment 7

[0055] On the basis of embodiment 6, the following improvements are further made: as Figure 4As shown, the mechanical arm comprises a seat body, a first driving device, a first mechanical arm, a second driving device, a second mechanical arm, a third driving device and a first connecting piece; the bottom of the first mechanical arm is hinged to the seat body and is driven to rotate by the first driving device; the bottom of the second mechanical arm is hinged to the top of the first mechanical arm and is driven to rotate by the second driving device; the third driving device is connected to the top of the second mechanical arm, the first connecting piece is installed on the third driving device and is driven to rotate in both directions by the third driving device. When the intelligent faucet is a touch screen type intelligent faucet, the third driving device is not working. When the intelligent faucet is a mechanical type intelligent faucet, the third driving device drives the clamping jaw to drive the water outlet switch of the mechanical type intelligent faucet to rotate, realizing the opening and closing. When a PLC control platform is used, the first driving device, the second driving device and the third driving device are connected with the PLC control platform and are controlled by the PLC control platform. In this example, the first driving device and the second driving device are reduction motors, of course, air cylinders or oil cylinders can also be used; the third driving device is a reduction motor.

[0056] Embodiment 8

[0057] On the basis of embodiment 7, the following improvements are further made: in order to facilitate installation and connection, the first connecting piece comprises a sleeve, two clamping ears and a connecting bolt, the sleeve is sleeved and fixed on the rotating shaft of the third driving device, the two clamping ears are oppositely arranged on the side wall of the sleeve, and the two clamping ears are provided with oppositely arranged first mounting holes; the second connecting piece is a connecting ear, which is connected to the clamping jaw or the fixing cylinder, and the connecting ear is provided with a second mounting hole; the connecting ear is located between the two clamping ears, the connecting bolt passes through the two first mounting holes and the second mounting hole at the same time, and is fixed by a nut. The opening and closing of the water outlet switch on the mechanical type intelligent faucet requires very small force, and the sleeve and the rotating shaft can be fixed by various ways, such as setting a gasket between the sleeve and the rotating shaft, and being relatively fixed by friction force, which can meet the stability requirements of the opening and closing of the water outlet switch; for example, holes can be opened on the sleeve and the rotating shaft at the same time, a bolt is used to pass through the holes opened on the sleeve and the rotating shaft at the same time, and is fixed by a nut, which is convenient to disassemble and assemble, stable and firm. Of course, other existing ways can also be used.

[0058] The above-mentioned water purifier test intelligent faucet automatic start-stop tool is suitable for detecting the water purifier with intelligent faucet installed under the kitchen, which is suitable for touch screen type intelligent faucet or mechanical type intelligent faucet, and is suitable for different models, improves the water outlet continuity during detection, improves the detection efficiency, relieves the pressure of the workers, reduces the workload, and has simple structure, strong practicability and is suitable for promotion.

Claims

1. A water purifier test intelligent faucet automatic start-stop tool, characterized by: The utility model relates to a kind of intelligent water faucet maintenance device, including: Mechanical arm (3), clamping jaw (4), fixed cylinder (5), support frame (6), capacitive pen (7) and ground wire (8); Support frame (6) includes base (61), support rod (62) and clamping body (63), support rod (62) is vertically arranged on base (61), clamping body (63) one end is clamping end, the other end is connecting end, the connecting end of clamping body (63) is connected on support rod (62); The operating end of mechanical arm (3) is equipped with first connecting piece (37), and the same second connecting piece is provided on clamping jaw (4) and fixed cylinder (5), and clamping jaw (4) or fixed cylinder (5) is detachably connected on the first connecting piece (37) of mechanical arm (3) by the second connecting piece;First threaded hole is provided on the side wall of fixed cylinder (5), and first fixed bolt is threadedly connected in the first threaded hole; Capacitive pen (7) is movably clamped on clamping jaw (4);Alternatively, capacitive pen (7) is inserted into fixed cylinder (5), and is positioned by first fixed bolt and side wall of capacitive pen (7);Capacitive pen (7) is grounded through ground wire (8).

2. The water purifier test smart faucet auto start-stop tooling of claim 1, wherein: When the intelligent water faucet is mechanical intelligent water faucet (2), clamping jaw (4) is detachably connected on the first connecting piece (37) of mechanical arm (3) by the second connecting piece;Mechanical intelligent water faucet (2) is clamped on the clamping body (63) of support frame (6), and clamping jaw (4) movably clamps on the periphery of water outlet switch (21) of mechanical intelligent water faucet (2) to rotate clockwise and counterclockwise.

3. The water purifier test smart faucet auto start-stop tooling of claim 1, wherein: When the intelligent water faucet is touch screen type intelligent water faucet (1), fixed cylinder (5) is detachably connected on the first connecting piece (37) of mechanical arm (3) by the second connecting piece;Touch screen type intelligent water faucet (1) is clamped on the clamping body (63) of support frame (6), and capacitive pen (7) is located directly above touch screen type intelligent water faucet (1), the tip of capacitive pen (7) is directly opposite the water outlet button (12) on the touch screen (11) of touch screen type intelligent water faucet (1), and mechanical arm (3) can drive capacitive pen (7) to move up and down, so that the tip of capacitive pen (7) touches or leaves the water outlet button (12) on the touch screen (11).

4. The water purifier test smart faucet auto start-stop tooling of any one of claims 1-3, wherein: It also includes a PLC control platform, and the mechanical arm (3) is connected with the PLC control platform and controlled by the PLC control platform.

5. The water purifier test smart faucet auto start-stop tooling of any one of claims 1-3, wherein: The connecting end of the clamping body (63) is adjustably connected to the support rod (62).

6. The water purifier test smart faucet auto start-stop tooling of claim 5, wherein: The cross section of the support rod (62) is square structure;The connecting end of the clamping body (63) is provided with a square hole, and the side wall of the square hole is provided with a second threaded hole, and the second fixed bolt is threadedly connected to the inner side of the second threaded hole, and the clamping body (63) is sleeved on the support rod (62) through the square hole and fixed to the support rod (62) through the second fixed bolt.

7. The water purifier test smart faucet auto start-stop tooling of any one of claims 1-3, wherein: The mechanical arm (3) includes a seat body (31), a first driving device (32), a first mechanical arm (33), a second driving device (34), a second mechanical arm (35), a third driving device (36), and a first connecting piece (37); The bottom of the first mechanical arm (33) is hinged to the seat body (31) and driven to rotate by the first driving device (32); The bottom of the second mechanical arm (35) is hingedly connected to the top of the first mechanical arm (33) and is driven to rotate by the second driving device (34); the third driving device (36) is connected to the top of the second mechanical arm (35), and the first connecting piece (37) is installed on the third driving device (36) and rotates forward and backward under the driving of the third driving device (36).

8. The water purifier test smart faucet auto start-stop tooling of claim 7, wherein: The first driving device (32), the second driving device (34) and the third driving device (36) are connected with the PLC control platform and are controlled by the PLC control platform.

9. The water purifier test smart faucet auto start-stop tooling of claim 7, wherein: The first driving device (32) and the second driving device (34) are reduction motors, air cylinders or oil cylinders; and the third driving device (36) is a reduction motor.

10. The water purifier test smart faucet auto start-stop tooling of any one of claims 1-3, wherein: The first connecting piece (37) comprises a sleeve, two clamping ears and a connecting bolt, the sleeve is sleeved and fixed on the rotating shaft of the third driving device (36), the two clamping ears are oppositely arranged on the side wall of the sleeve, and the two clamping ears are provided with oppositely arranged first mounting holes; the second connecting piece is a connecting lug, the connecting lug is connected to the clamping jaw (4) or the fixing cylinder (5), and the connecting lug is provided with a second mounting hole; the connecting lug is located between the two clamping ears, the connecting bolt passes through the two first mounting holes and the second mounting hole at the same time, and is fixed by a nut.

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