Outdoor anti-interference electronic balance

Abstract

The utility model relates to the technical field of electronic balances, and discloses an outdoor anti-interference electronic balance, which comprises a protective device, a cleaning device is arranged at the left end of the protective device, the protective device comprises a balance base, and a tray is arranged at the upper end of the balance base. According to the anti-interference outdoor electronic balance, the cover plate is arranged on the balance base to cover the outdoor electronic balance, dust, deadwood and other sundries are prevented from falling on the tray to affect balance measurement, when the anti-interference outdoor electronic balance is used, an object can be placed on the electronic balance by loosening the buckle and opening the cover plate, and when the external influence is large, the anti-interference outdoor electronic balance is convenient to use. An object is placed on the tray, the upper frame is pulled to drive the telescopic film to stretch, then the cover plate is closed, the object is covered, influences of external strong wind or rainwater and the like are avoided, and therefore the effects that interference prevention is facilitated, operation is convenient and fast, the electronic balance does not need to be cleaned before use every time, and the measurement efficiency is improved are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic balances, in particular to an outdoor anti-interference electronic balance. Background Art

[0002] People call the balance that uses electromagnetic force to balance the gravity of the object being weighed an electronic balance. Its characteristics are accurate and reliable weighing, fast and clear display, and it has an automatic detection system, a simple automatic calibration device, and overload protection devices.

[0003] Through searching, it was found that "An Anti-interference Outdoor Electronic Balance" disclosed by Chinese Patent Publication No. CN208902233 U points out that the existing outdoor electronic balance will leave dust or dirt on the balance after use, and there will be a lot of impurities falling on the top of the electronic balance outdoors, affecting the accuracy of the balance. This patent drives the first gear to rotate through a motor, and the first gear drives the second gear to rotate through a chain transmission, and the threaded rod at the other end of the gear starts to rotate, and the threaded moving block located on the surface of the threaded rod is connected with the thread of the threaded rod, and moves from the side of the threaded rod close to the fixed block to the side of the threaded rod away from the fixed block, driving the connecting rod from the side of the threaded rod close to the fixed block to the side of the threaded rod away from the fixed block, so that the moving block located on the outside of the connecting rod moves above the tray, so that the moving block can clean the surface of the tray, thereby improving the accuracy of the balance measurement and the practicality of the device.

[0004] However, in actual operation, outdoor electronic balances are easily disturbed by falling dust and dead branches, and the device needs to be cleaned before each use, which reduces the weighing efficiency. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide an outdoor anti-interference electronic balance to solve the problem that the method of cleaning the device before use proposed in the above background technology reduces the working efficiency.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] An outdoor anti-interference electronic balance comprises a protective device, wherein a cleaning device is provided at the left end of the protective device;

[0008] The protective device comprises a balance base, the upper end of the balance base is provided with a tray, the outer side of the upper end of the balance base is fixedly connected with a lower frame, the upper end of the lower frame is fixedly connected with a telescopic membrane, the upper end of the telescopic membrane is fixedly connected with an upper frame, the rear end of the upper frame is slidably connected with a positioning rod, the left end of the positioning rod is hinged with a cover plate, and the front end of the cover plate is provided with a buckle;

[0009] The cleaning device includes a guide rail, a rear end of the guide rail is fixedly connected to a motor, a front end of the motor is fixedly connected to a screw, an outer surface of the screw is slidably connected to a slider, the left end of the slider is rotatably connected to a swivel, the front end of the swivel is fixedly connected to a telescopic rod 1, the outer surface of the telescopic rod 1 is sleeved with a spring, the front end of the telescopic rod 1 is fixedly connected to a rotating shaft, and the outer surface of the rotating shaft is sleeved with a wiping cloth.

[0010] Preferably, a second telescopic rod is fixedly connected between the upper frame and the lower frame, and the upper end of the upper frame and the upper end of the tray are located on the same horizontal plane.

[0011] Preferably, the cover plate is snap-fitted with the upper frame, and a slot adapted to the buckle is provided at the front end of the upper frame.

[0012] Preferably, the right end of the guide rail is fixedly connected to the balance base, and both ends of the screw rod are rotatably connected to the guide rail.

[0013] Preferably, the slider is slidably connected to the guide rail, and both ends of the spring are fixedly connected to the rotating ring and the rotating shaft respectively.

[0014] Preferably, a display is provided at the front end of the balance base, and a baffle is hinged at the front end of the display.

[0015] Preferably, the right end of the rotating shaft is threadedly connected with a positioning ring, and the left end surface of the positioning ring is rotatably connected with a circular ring.

[0016] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0017] First, the utility model provides a cover plate on the balance base to cover the outdoor electronic balance, so as to prevent dust, dead branches and other debris from falling on the tray and affecting the balance measurement. When in use, the object can be placed on the electronic balance by loosening the buckle and opening the cover plate. When the object is large, the positioning rod can be removed and the cover plate can be taken off together, so as to facilitate the placement of large objects. When the external influence is large, the object is placed on the tray, the upper frame is pulled to drive the telescopic film to stretch, and then the cover plate is closed to cover the object to avoid the influence of external strong wind or rain, so as to achieve the effect of facilitating anti-interference and convenient operation. There is no need to clean the electronic balance before each use, so as to improve the measurement efficiency.

[0018] Second, the utility model pulls and rotates the shaft, the shaft drives the telescopic rod to extend and the spring to be stretched, the swivel rotates, the rotating shaft moves to above the tray, the shaft is loosened, and the telescopic rod is driven to contract under the action of the spring, so that the shaft drives the wiping cloth to fit the tray, the motor is started, the motor drives the screw to rotate, the screw drives the slider to move, thereby driving the rotating wiping cloth to move, and the tray is wiped and cleaned, thereby achieving the effect of facilitating quick cleaning and improving the accuracy of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a cross-sectional schematic diagram of the structural protection device of the utility model;

[0021] Figure 3 This is a three-dimensional schematic diagram of the structural positioning rod of the utility model;

[0022] Figure 4 The utility model structure Figure 1 The enlarged schematic diagram of part A in the middle;

[0023] Figure 5 It is a schematic cross-sectional view of the rotating shaft of the structure of the utility model.

[0024] Among them: 1. Protective device; 101. Balance base; 102. Tray; 103. Lower frame; 104. Telescopic film; 105. Upper frame; 106. Positioning rod; 107. Cover plate; 108. Buckle; 109. Telescopic rod 2; 2. Cleaning device; 201. Guide rail; 202. Motor; 203. Screw; 204. Slider; 205. Swivel; 206. Telescopic rod 1; 207. Spring; 208. Rotating shaft; 209. Wiping cloth. DETAILED DESCRIPTION

[0025] The specific implementation of the utility model will be further described in detail below with reference to the accompanying drawings.

[0026] For an outdoor anti-interference electronic balance under this specific implementation method, please refer to Figure 1-5 , comprising a protective device 1, a cleaning device 2 is provided at the left end of the protective device 1;

[0027] The protective device 1 includes a balance base 101, a tray 102 is provided at the upper end of the balance base 101, a lower frame 103 is fixedly connected to the outer side of the upper end of the balance base 101, a telescopic film 104 is fixedly connected to the upper end of the lower frame 103, an upper frame 105 is fixedly connected to the upper end of the telescopic film 104, a positioning rod 106 is slidably connected to the rear end of the upper frame 105, a cover plate 107 is hinged to the left end of the positioning rod 106, and a buckle 108 is provided at the front end of the cover plate 107;

[0028] The cleaning device 2 includes a guide rail 201, the rear end of the guide rail 201 is fixedly connected to a motor 202, the front end of the motor 202 is fixedly connected to a screw rod 203, the outer surface of the screw rod 203 is slidably connected to a slider 204, the left end of the slider 204 is rotatably connected to a swivel 205, the front end of the swivel 205 is fixedly connected to a telescopic rod 206, the outer surface of the telescopic rod 206 is sleeved with a spring 207, the front end of the telescopic rod 206 is fixedly connected to a rotating shaft 208, and the outer surface of the rotating shaft 208 is sleeved with a wiping cloth 209.

[0029] Through the above technical solution, by setting a cover 107 on the balance base 101, the outdoor electronic balance is covered to prevent dust, dead branches and other debris from falling on the tray 102 and affecting the balance measurement. When in use, the cover 107 can be opened by loosening the buckle 108 to place the object on the electronic balance. When the object is large, the positioning rod 106 can be removed together with the cover 107, so as to facilitate the placement of large objects. When the external influence is large, the object is placed on the tray 102, the upper frame 105 is pulled to drive the telescopic film 104 to stretch, and then the cover 107 is closed to cover the object to prevent the influence of external strong winds or rain, so as to achieve the purpose of preventing interference, convenient operation, and no need Before each use, the electronic balance should be cleaned to improve the measurement efficiency. By pulling the rotating shaft 208 and rotating it, the rotating shaft 208 drives the telescopic rod 206 to extend and the spring 207 to be stretched, the rotating ring 205 rotates, and the rotating shaft 208 moves to the top of the tray 102. The rotating shaft 208 is loosened, and the telescopic rod 206 is driven to shrink under the action of the spring 207, so that the rotating shaft 208 drives the wiping cloth 209 to fit the tray 102, and the motor 202 is started. The motor 202 drives the screw 203 to rotate, and the screw 203 drives the slider 204 to move, thereby driving the rotating wiping cloth 209 to move, and the tray 102 is wiped and cleaned, thereby achieving the effect of facilitating quick cleaning and improving the accuracy of use.

[0030] Specifically, a telescopic rod 109 is fixedly connected between the upper frame 105 and the lower frame 103 , and the upper end of the upper frame 105 and the upper end of the tray 102 are located on the same horizontal plane.

[0031] Through the above technical solution, the second telescopic rod 109 is used to connect and limit the upper frame 105 and the lower frame 103. The upper frame 105 is flush with the tray 102 when not stretched, which makes it easy to place items on the tray 102.

[0032] Specifically, the cover plate 107 is engaged with the upper frame 105 , and a slot adapted to the buckle 108 is provided at the front end of the upper frame 105 .

[0033] Through the above technical solution, the cover plate 107 is engaged with the upper frame 105 for convenient protection. A slot is provided at the front end of the upper frame 105 to limit the buckle 108, thereby positioning the cover plate 107.

[0034] Specifically, the right end of the guide rail 201 is fixedly connected to the balance base 101 , and both ends of the screw rod 203 are rotatably connected to the guide rail 201 .

[0035] Through the above technical solution, the balance base 101 supports the guide rail 201 , and the guide rail 201 limits the screw rod 203 .

[0036] Specifically, the slider 204 is slidably connected to the guide rail 201 , and two ends of the spring 207 are fixedly connected to the rotating ring 205 and the rotating shaft 208 respectively.

[0037] Through the above technical solution, the guide rail 201 limits the slider 204, making it convenient to drive the slider 204 to move forward and backward under the rotation of the screw rod 203.

[0038] Specifically, a display is provided at the front end of the balance base 101, and a baffle is hinged at the front end of the display.

[0039] Specifically, the right end of the rotating shaft 208 is threadedly connected with a positioning ring, and the left end surface of the positioning ring is rotatably connected with a circular ring.

[0040] Through the above technical solution, the positioning ring positions the wiping cloth 209 , and the circular ring fits against the right side of the tray 102 .

[0041] Working principle: By setting a cover 107 on the balance base 101, the outdoor electronic balance is covered to prevent dust, dead branches and other debris from falling on the tray 102 and affecting the balance measurement. When in use, the cover 107 can be opened by loosening the buckle 108 to place the object on the electronic balance. When the object is large, it can be removed together with the cover 107 by removing the positioning rod 106, so as to facilitate the placement of large objects. When the external influence is large, the object is placed on the tray 102, the upper frame 105 is pulled to drive the telescopic film 104 to stretch, and then the cover 107 is closed to cover the object to avoid the influence of external strong winds or rain, so as to achieve the purpose of preventing interference and convenient operation, and no need to remove it every time Before use, the electronic balance should be cleaned to improve the measurement efficiency. By pulling the rotating shaft 208 and rotating it, the rotating shaft 208 drives the telescopic rod 206 to extend and the spring 207 to be stretched, the rotating ring 205 rotates, and the rotating shaft 208 moves to the top of the tray 102. The rotating shaft 208 is loosened, and the telescopic rod 206 is driven to shrink under the action of the spring 207, so that the rotating shaft 208 drives the wiping cloth 209 to fit the tray 102, and the motor 202 is started. The motor 202 drives the screw 203 to rotate, and the screw 203 drives the slider 204 to move, thereby driving the rotating wiping cloth 209 to move, and the tray 102 is wiped and cleaned, thereby facilitating quick cleaning and improving the accuracy of use.

[0042] Although specific embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these specific embodiments without departing from the principles and spirit thereof, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An outdoor anti-interference electronic balance, comprising a protective device (1), characterized in that: A cleaning device (2) is provided at the left end of the protective device (1); The protective device (1) comprises a balance base (101), the upper end of the balance base (101) is provided with a tray (102), the outer side of the upper end of the balance base (101) is fixedly connected to a lower frame (103), the upper end of the lower frame (103) is fixedly connected to a telescopic membrane (104), the upper end of the telescopic membrane (104) is fixedly connected to an upper frame (105), the rear end of the upper frame (105) is slidably connected to a positioning rod (106), the left end of the positioning rod (106) is hinged to a cover plate (107), and the front end of the cover plate (107) is provided with a buckle (108); The cleaning device (2) comprises a guide rail (201), the rear end of the guide rail (201) is fixedly connected to a motor (202), the front end of the motor (202) is fixedly connected to a screw rod (203), the outer surface of the screw rod (203) is slidably connected to a slider (204), the left end of the slider (204) is rotatably connected to a rotating ring (205), the front end of the rotating ring (205) is fixedly connected to a telescopic rod (206), the outer surface of the telescopic rod (206) is sleeved with a spring (207), the front end of the telescopic rod (206) is fixedly connected to a rotating shaft (208), and the outer surface of the rotating shaft (208) is sleeved with a wiping cloth (209).

2. An outdoor anti-interference electronic balance according to claim 1, characterized in that: A second telescopic rod (109) is fixedly connected between the upper frame (105) and the lower frame (103), and the upper end of the upper frame (105) and the upper end of the tray (102) are located on the same horizontal plane.

3. The outdoor anti-interference electronic balance according to claim 1, characterized in that: The cover plate (107) is engaged with the upper frame (105), and a slot adapted to match the buckle (108) is provided at the front end of the upper frame (105).

4. The outdoor anti-interference electronic balance according to claim 1, characterized in that: The right end of the guide rail (201) is fixedly connected to the balance base (101), and both ends of the screw rod (203) are rotatably connected to the guide rail (201).

5. The outdoor anti-interference electronic balance according to claim 1, characterized in that: The slider (204) is slidably connected to the guide rail (201), and the two ends of the spring (207) are fixedly connected to the rotating ring (205) and the rotating shaft (208) respectively.

6. The outdoor anti-interference electronic balance according to claim 1, characterized in that: A display is provided at the front end of the balance base (101), and a baffle is hingedly connected to the front end of the display.

7. The outdoor anti-interference electronic balance according to claim 1, characterized in that: The right end of the rotating shaft (208) is threadedly connected to a positioning ring, and the left end surface of the positioning ring is rotatably connected to a circular ring.

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