CN115355975B

CN115355975B - Waterproof electronic scale

Info

Publication number: CN115355975B
Application number: CN202211290555.5A
Authority: CN
Inventors: 陈江; 陈亚芳
Original assignee: Changzhou Manwit Electronics Co ltd
Current assignee: Changzhou Manwit Electronics Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-08-08
Anticipated expiration: 2042-10-21
Also published as: CN115355975A

Abstract

The invention belongs to the technical field of electronic scales, in particular to a waterproof electronic scale, which aims at solving the problems that liquid accumulation is caused by the residue of liquid in a weighing object, larger errors occur in subsequent weighing caused by untimely treatment, and the overall efficiency of weighing operation is reduced in frequent cleaning processes. The object bearing plate in the object bearing assembly is a platform for placing objects, and can be in an inclined state after weighing operation, so that the rapid flow of surface liquid is accelerated, the object bearing plate is prevented from being influenced by stored liquid, and the error of subsequent weighing is caused.

Description

Waterproof electronic scale

Technical Field

The invention relates to the technical field of electronic scales, in particular to a waterproof electronic scale.

Background

The electronic scale is one of weighing machines, which is a tool for measuring the mass of an object by utilizing the Hooke's law or the lever balance principle of force, and can be divided into three classes of mechanical scales, electronic scales and electromechanical combined scales according to the structural principle.

The electronic scale mainly comprises a bearing system (such as a scale pan and a scale body), a force transmission conversion system (such as a lever force transmission system and a sensor) and a value indicating system (such as a dial and an electronic display instrument), and the working flow is as follows: the object is placed on the scale pan, the pressure is applied to the sensor, the sensor is elastically deformed, so that the impedance is changed, meanwhile, the exciting voltage is changed, a changed analog signal is output, the signal is amplified by the amplifying circuit and is output to the analog-to-digital converter, the signal is converted into a digital signal which is convenient to process and is output to the CPU for operation control, and the CPU outputs the result to the display according to the keyboard command and the program.

In the use process of the electronic scale, liquid residues in the weighing object can cause accumulated liquid, larger errors can be caused in subsequent weighing due to untimely treatment, and the overall efficiency of weighing operation can be reduced in the frequent cleaning process.

Disclosure of Invention

The invention discloses a waterproof electronic scale, and aims to solve the technical problem that the bearing errors occur due to the fact that liquid storage exists in the use process of the electronic scale in the background art.

The invention provides a waterproof electronic scale, which comprises a shell, wherein a top plate is fixedly connected to the upper side of the shell, a bearing component is arranged above the top plate, the bearing component comprises two bearing plates and an inner plate, the two bearing plates are symmetrically distributed, inner plates are fixedly connected to one sides of the two bearing plates, a plurality of equidistant liquid flowing grooves are formed in the upper sides of the two bearing plates, liquid flowing holes are formed in the top ends of the liquid flowing grooves, the inner plate is positioned in the two inner plates, a rubber connecting block is arranged in the middle of the inner plate, a liquid dividing groove is formed in the rubber connecting block, the middle of the liquid dividing groove is higher than the slope of the side, inner plates are fixedly connected to the inner sides of the two inner plates, a plurality of equidistant storage springs are fixedly connected to one sides of the inner plates, and the storage springs are fixedly connected with the inner plates on the same side.

After the weighing of the object bearing assembly is completed, the object is moved out of the object bearing plate, the two object bearing plates are reset and deflected to be in an inclined state, the inner connecting plate slides out of the two inner connecting grooves, the storage springs are pulled to elastically deform, the rubber connecting block is in an arc shape, residual liquid on the object bearing plate slides downwards and gathers in the liquid flowing groove, and finally flows Kong Huala, the liquid on the rubber connecting block slides from the liquid dividing groove to two sides, the object bearing assembly adopts two independent object bearing plates, and the two independent object bearing plates are in an inclined state when not subjected to pressure, so that the flow of surface liquid can be accelerated, and the influence of water accumulation on the object bearing plates on subsequent weighing operation is avoided.

In a preferred scheme, four two-to-two symmetrical round holes are formed in the shell and the top plate, the bearing rods are arranged in the round holes, the top ends of the two bearing rods on the same side are fixedly connected with the same bracket, round grooves are formed in the round holes in the top plate, backing rings are fixedly connected to the inside of the round grooves, caulking grooves are formed in the upper sides of the backing rings, waterproof sleeves are fixedly connected to the inside of the caulking grooves, and the other ends of the waterproof sleeves are fixedly connected with the lower sides of the brackets.

Through being provided with waterproof cover, the bearing pole can reciprocate in the round hole on casing and roof because of receiving pressure, and this in-process waterproof cover can seal the protection to the outside of bearing pole and the round hole position of casing and roof, avoids the liquid infiltration to cause the inside water that intakes of device.

In a preferred scheme, two equal fixedly connected with base of downside of holding the thing board, two bases are located the top of two brackets respectively, hold the upside of thing board and all be provided with spacing subassembly, and all set up flutedly on two brackets, all set up the round hole on two bases, the inside of round hole is equal swing joint has the bull stick, fixedly connected between the both ends of bull stick and the recess inner wall of bracket respectively, opposite one side all is provided with the attachment piece on two brackets, the equal fixedly connected with of upside of attachment piece reset spring, reset spring's the other end all with the downside fixed connection of holding the thing board of homonymy, spacing subassembly includes the boss of a plurality of equidistance and activity stopper, the shrinkage pool has all been seted up to the inside of a plurality of bosses, activity stopper respectively with the inside swing joint of shrinkage pool inside of shrinkage pool, and the equal fixedly connected with spacing spring of a plurality of bosses, the other end of a plurality of spacing springs respectively with the downside fixed connection of a plurality of activity stoppers.

Through being provided with spacing subassembly, the object is placed on holding the thing board, and the in-process is placed because of receiving the effect of thing weight, and movable stopper atress downwardly moving, spacing spring is compressed and takes place elastic deformation, and the movable stopper of unpressurized then keeps the original form, and movable stopper and the movable stopper that keeps the original form of pushing down can form a recess that agrees with the object shape this time for the object is spacing on holding the thing board, avoids its emergence to remove.

In a preferred scheme, a T-shaped protection table is arranged between the two brackets, the T-shaped protection table is fixedly connected with the upper side of the top plate, four symmetrical switch grooves are formed in the upper side of the T-shaped protection table, and contact switches are arranged in the four switch grooves.

Through being provided with T type protection platform, utilize T shape protection platform can effectually avoid the pressure sensor damage because of the too big weight of object causes, improve the self-protection function of device.

In a preferred scheme, the inside of casing is provided with interior box, fixed connection between the top inner wall of interior box and casing, the inside of interior box is provided with the board of holding, hold the downside of board and four bearing bars fixed connection, and the rectangle mounting groove has been seted up to the bottom inner wall of interior box, the inside fixedly connected with pressure sensor of rectangle mounting groove, pressure sensor's upside fixedly connected with pressure seat, the upside fixedly connected with montant of pressure seat, the round hole has been seted up at the middle part of holding the board, swing joint between montant and the round hole of holding the board, the outside swing joint of montant has buffer spring, buffer spring's both ends respectively with the downside of holding the board and the upside fixed connection of pressing the seat, the below of interior box is provided with the bottom plate, fixed connection between bottom plate and the inner wall of casing, be provided with the sealing strip between bottom plate and the casing, the upside fixedly connected with brace table, the upside of brace table is provided with insulating rubber layer, the upside of brace table contacts with the downside of interior box, and the both sides of casing are seted up symmetrical recess, the inside of recess all is provided with the collector assembly, the below of casing is provided with four bottom plates and attaches between two symmetrical base seats, two and the equal fixed connection of attaching the bottom plate.

Through being provided with and accepting board and buffer spring, after weighing, buffer spring resumes elastic deformation, can make accepting the board and shift up and be in the state of rocking, and this in-process holds the thing board and can accompany its rocking to hold the hydrops on thing board surface and can accelerate to flow under the state that holds thing board rocked, further improves the landing of holding thing board surface liquid.

In a preferred scheme, the liquid collecting component comprises a liquid collecting box, a rectangular concave hole is formed in the upper side of the liquid collecting box, a plurality of equidistant liquid falling plates are fixedly connected between inner walls of two sides of the rectangular concave hole, a liquid storage cavity is formed in the lower end of the liquid collecting box, the liquid storage cavity is arranged into an inclined column shape, a liquid discharge hole is formed in the liquid collecting box and communicated with the liquid storage cavity, and a rubber plug is arranged in the liquid discharge hole.

Through being provided with liquid collecting component, the liquid of landing can be collected by liquid collecting component and store in the stock solution intracavity from holding the thing board, and the overall mass of device increases, makes it more stable in subsequent weighing operation, avoids the device to place unstably because of the weight is lighter, appears the error of weighing.

In a preferred scheme, the adjusting part includes movable stay and chassis, the rectangle hole has been seted up to the downside of the base that attaches, swing joint between movable stay and the rectangle hole, fixed connection between the lower extreme of movable stay and the chassis, the downside on chassis bonds there is antiskid sheet, antiskid sheet is the hard rubber that the antiskid groove has been opened to the bottom, one side fixedly connected with of movable stay erects the tooth, and circular shrinkage pool has been seted up to the inside of base that attaches, circular shrinkage pool is located one side of rectangle hole, the inside of circular shrinkage pool is provided with adjusting gear, through the tooth's socket engagement between adjusting gear and the perpendicular tooth, oval hole has been seted up at adjusting gear's middle part, oval hole's inside swing joint has the axostylus axostyle, the screw groove has been seted up to the one side of attaching the round shrinkage pool on the base, swing joint between the screw hole on axostylus axostyle and the base, the other end of axostylus axostyle passes the base and attaches a fixedly connected with adjust knob.

Through being provided with adjusting part, utilize adjusting part to adjust the state of placing of device, make it satisfy different operational environment, four independent telescopic movable stay bars can adjust according to actual environment demand respectively.

In a preferred scheme, be provided with horizontal correction dish, display screen and operating panel on the casing, the outside of display screen is provided with waterproof frame, fixed connection between waterproof frame and the casing is provided with the sealing strip between waterproof frame and the casing, is provided with toughened glass on the waterproof frame, and is provided with the cortex button cover on the operating panel.

Through being provided with waterproof frame and toughened glass, waterproof frame and toughened glass can guarantee the normal observation effect of display screen, and the cortex button cover is then when guaranteeing to use, has avoided the inside condition of liquid infiltration device from the button gap, has protected inside circuit system safety.

The invention has the following working effects: the bearing plate can exert force on the bracket after the atress, the bracket moves down along with the bearing rod, when the weight of object is too big, the range of moving down of bracket is too high, can lead to pressure sensor atress too big and take place to damage, the emergence of this kind of circumstances can then be avoided to T type protection platform, when surpassing pressure sensor's pressurized limit, can lead to the downside of bearing plate to directly contact with the upside of T type protection platform after the bracket moves down, contact switch is in the closed condition after being pressed, pressure sensor is protected, the display screen is free from data display, utilize T shape protection platform can effectually avoid the pressure sensor impaired because of the too big pressure sensor that causes of object weight, improve the self-protection function of device.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a waterproof electronic scale according to the present invention;

fig. 2 is a schematic diagram of a front view structure of a waterproof electronic scale according to the present invention;

fig. 3 is a schematic diagram of a structure of a carrier plate of a waterproof electronic scale according to the present invention;

fig. 4 is a schematic diagram of an inner board structure of a waterproof electronic scale according to the present invention;

fig. 5 is a schematic diagram of a top plate structure of a waterproof electronic scale according to the present invention;

fig. 6 is a schematic diagram illustrating a cross-sectional structure of a case of a waterproof electronic scale according to the present invention;

fig. 7 is a schematic cross-sectional view of an inner case of a waterproof electronic scale according to the present invention;

fig. 8 is a schematic diagram of a liquid collecting assembly of the waterproof electronic scale according to the present invention;

fig. 9 is a schematic structural diagram of an adjusting component of a waterproof electronic scale according to the present invention.

In the figure: 1. a housing; 2. a top plate; 3. a bearing assembly; 301. a carrying plate; 302. an inner connecting plate; 303. an inscription groove; 304. a liquid flowing tank; 305. a fluid hole; 306. rubber joint blocks; 307. a liquid dividing tank; 308. an inner plate; 309. a storage spring; 4. a load-bearing rod; 5. a bracket; 6. a backing ring; 7. a waterproof jacket; 8. a base; 9. a limit component; 901. a boss; 902. a movable limiting block; 903. a limit spring; 10. a rotating rod; 11. attaching a block; 12. a return spring; 13. a T-shaped protection table; 14. a contact switch; 15. an inner case; 16. a receiving plate; 17. pressing a base; 18. a vertical rod; 19. a buffer spring; 20. a pressure sensor; 21. a bottom plate; 22. a support; 23. a liquid collection assembly; 2301. a liquid collecting box; 2302. a liquid falling plate; 2303. a liquid storage cavity; 2304. a rubber stopper; 24. a bottom attached seat; 25. an adjustment assembly; 2501. a movable stay bar; 2502. a chassis; 2503. a non-slip sheet; 2504. vertical teeth; 2505. an adjusting gear; 2506. a shaft lever; 2507. an adjustment knob; 26. a horizontal correction plate; 27. a display screen; 28. an operation panel; 29. a waterproof frame; 30. tempered glass; 31. a leather button sleeve.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

The invention discloses a waterproof electronic scale which is mainly applied to a scene with larger error in subsequent weighing caused by residual moisture after weighing.

Referring to fig. 1-4, a waterproof electronic scale comprises a housing 1, a top plate 2 is connected to the upper side of the housing 1 through bolts, a bearing component 3 is arranged above the top plate 2, the bearing component 3 comprises two bearing plates 301 and an inner connecting plate 302, the two bearing plates 301 are symmetrically distributed, inner connecting grooves 303 are formed in opposite sides of the two bearing plates 301, a plurality of equidistant liquid flowing grooves 304 are formed in the upper sides of the two bearing plates 301, liquid flowing holes 305 are formed in the top ends of the liquid flowing grooves 304, the inner connecting plate 302 is located inside the two inner connecting grooves 303, a rubber connecting block 306 is arranged in the middle of the inner connecting plate 302, a liquid dividing groove 307 is formed in a slope shape, the middle of the liquid dividing groove 307 is higher than the side, an inner plate 308 is connected to the inner side of the two inner connecting grooves 303 through bolts, a plurality of equidistant containing springs 309 are connected to one side of the inner plate 308 through bolts, and the plurality of containing springs 309 are connected to the inner connecting plates 302 on the same side through bolts.

Specifically, the carrying plate 301 in the carrying assembly 3 is a platform for placing objects, and can be in an inclined state after the weighing operation, so that the rapid flow of the surface liquid is accelerated, the carrying plate 301 is prevented from being affected by the stored liquid, and the error of subsequent weighing is caused.

In a specific application scene, an object is placed on the device for weighing operation, when the object is placed, the two object bearing plates 301 are pressed to be in a horizontal state, and in the process, the inner connecting plates 302 are received in the inner connecting grooves 303 under the action of the tensile force of the receiving springs 309; after weighing, the two carrying plates 301 are reset and deflected to be in an inclined state, the inner connecting plates 302 slide out of the two inner connecting grooves 303, the containing springs 309 are pulled to elastically deform, the rubber connecting blocks 306 are in an arc shape, residual liquid on the carrying plates 301 can slide down and gather in the liquid flowing grooves 304 and finally slide down from the liquid flowing holes 305, moisture residues in objects are avoided, the liquid can be stored on the carrying plates 301 after weighing, and accordingly a subsequent weighing error is caused.

It should be noted that after weighing, the object moves out from the carrying plate 301, the two carrying plates 301 return to an inclined state, the inner connecting plate 302 slides out from the two inner connecting grooves 303, the receiving springs 309 are pulled to elastically deform, the rubber receiving block 306 is in an arc shape, the liquid remained on the carrying plate 301 slides down and gathers in the liquid flowing groove 304, and finally slides down from the liquid flowing hole 305, the liquid on the rubber receiving block 306 slides down to two sides from the liquid dividing groove 307, the carrying assembly 3 adopts two independent carrying plates 301, and is in an inclined state when not subjected to pressure, so that the flow of the surface liquid can be accelerated, and the influence of the water accumulation on the carrying plate 301 on the subsequent weighing operation is avoided.

Referring to fig. 1, 2 and 5, four two-to-two symmetrical round holes are formed in a shell 1 and a top plate 2, bearing rods 4 are arranged in the round holes, the top ends of the two bearing rods 4 positioned on the same side are connected with the same bracket 5 through bolts, round grooves are formed in the round holes in the top plate 2, backing rings 6 are connected with the round grooves through bolts, caulking grooves are formed in the upper sides of the backing rings 6, waterproof sleeves 7 are connected with the inner parts of the caulking grooves through bolts, and the other ends of the waterproof sleeves 7 are connected with the lower sides of the brackets 5 through bolts; the waterproof device comprises a shell 1, a horizontal correction disc 26, a display screen 27 and an operation panel 28, wherein a waterproof frame 29 is arranged outside the display screen 27, the waterproof frame 29 is connected with the shell 1 through bolts, a sealing strip is arranged between the waterproof frame 29 and the shell 1, toughened glass 30 is arranged on the waterproof frame 29, and a leather button sleeve 31 is arranged on the operation panel 28.

It should be noted that, in the bearing operation process, the bearing rod 4 can move up and down in the round holes on the shell 1 and the top plate 2 due to pressure, the waterproof sleeve 7 can seal and protect the outside of the bearing rod 4 and the round hole positions of the shell 1 and the top plate 2 in the process, so that the water inlet inside the device is avoided from being permeated by liquid, the waterproof frame 29 and the leather button sleeve 31 play the role of sealing and waterproofing, the normal observation effect of the display screen 27 can be ensured by the waterproof frame 29 and the toughened glass 30, the leather button sleeve 31 can be used while ensuring the use, the condition that the liquid permeates into the device from the button gap is avoided, and the safety of an internal circuit system is protected.

Referring to fig. 2 and 5, the lower sides of two object bearing plates 301 are all connected with a base 8 through bolts, the two bases 8 are respectively located above the two brackets 5, the upper sides of the object bearing plates 301 are all provided with a limiting component 9, grooves are respectively formed in the two brackets 5, round holes are respectively formed in the two bases 8, rotating rods 10 are respectively connected with the inner walls of the grooves of the brackets 5 through bearings in the round holes, two ends of the rotating rods 10 are respectively connected with the inner walls of the grooves of the brackets 5 through bolts, an attachment block 11 is respectively arranged on the opposite side of the two brackets 5, two equidistant reset springs 12 are respectively connected to the upper sides of the attachment blocks 11 through bolts, and the other ends of the reset springs 12 are connected with the lower sides of the object bearing plates 301 on the same side through bolts.

Referring to fig. 2 and 3, in a preferred embodiment, the limiting component 9 includes a plurality of equidistant bosses 901 and movable limiting blocks 902, concave holes are formed in the bosses 901, the movable limiting blocks 902 are respectively slidably connected with the concave holes, limiting springs 903 are respectively connected with the concave holes of the bosses 901 through bolts, and the other ends of the limiting springs 903 are respectively connected with the lower sides of the movable limiting blocks 902 through bolts.

Specifically, the object is placed on the object carrying plate 301, the object carrying plate 301 is stressed and deflected to be in a horizontal state, and the limiting component 9 on the object carrying plate 301 can limit the object, so that the object is prevented from being influenced by external force in the weighing operation, the weighing operation is prevented from being influenced by movement,

in a specific application scenario, an object is placed on the object bearing plate 301, the limiting component 9 limits the placed object due to the action of the weight of the object in the placing process, the object is prevented from moving, the object bearing plate 301 deflects after being pressed, the two object bearing plates 301 are in a horizontal state, and after the object is removed, the two object bearing plates 301 are reset to be in an inclined state due to the action of the elastic force of the reset spring 12.

It should be noted that, when an object is placed on the object carrying plate 301, the movable limiting block 902 is forced to move downwards due to the action of the gravity of the object in the placing process, the limiting spring 903 is compressed to generate elastic deformation, the unpressed movable limiting block 902 is kept in the original state, at this time, the pressed movable limiting block 902 and the unpressed movable limiting block 902 form a groove matching with the shape of the object, so that the object is limited on the object carrying plate 301 to avoid moving, meanwhile, after the object carrying plate 301 is pressed, the base 8 rotates on the rotating rod 10, the object carrying plate 301 deflects, the reset spring 12 is stretched to generate elastic deformation until the bracket 5 forms supporting force on the base 8, the two object carrying plates 301 are in a horizontal state, and after the object is removed, the two object carrying plates 301 are reset to be in an inclined state due to the elastic action of the reset spring 12.

Referring to fig. 2 and 5, a T-shaped protection table 13 is disposed between the two brackets 5, the T-shaped protection table 13 is connected with the upper side of the top plate 2 through bolts, four switch slots which are symmetrical in pairs are formed in the upper side of the T-shaped protection table 13, and contact switches 14 are disposed in the four switch slots.

It should be noted that, the load bearing plate 301 will exert a force on the bracket 5 after being stressed, the bracket 5 moves down along with the load bearing rod 4, when the weight of the object is too large, the downward movement range of the bracket 5 is too high, so that the pressure sensor 20 is stressed too much to be damaged, the T-shaped protection table 13 can avoid such a situation, when the pressure limit of the pressure sensor 20 is exceeded, the lower side of the load bearing plate 301 will be directly contacted with the upper side of the T-shaped protection table 13 after the bracket 5 moves down, the contact switch 14 is in a closed state after being stressed, the pressure sensor 20 is protected, the display screen 27 does not have data, the pressure sensor 20 damage caused by the excessive weight of the object can be effectively avoided by using the T-shaped protection table, and the self-protection function of the device is improved.

Referring to fig. 1, 6 and 7, an inner box 15 is arranged in a shell 1, the inner box 15 is connected with the inner wall of the top of the shell 1 through bolts, a bearing plate 16 is arranged in the inner box 15, the upper sides of the bearing plates 16 are connected with the lower ends of four bearing rods 4 through bolts, rectangular mounting grooves are formed in the inner wall of the bottom of the inner box 15, a pressure sensor 20 is connected with the inner side of the rectangular mounting grooves through bolts, a pressing seat 17 is connected with the upper side of the pressure sensor 20 through bolts, a vertical rod 18 is connected with the upper side of the pressing seat 17 through bolts, a round hole is formed in the middle of the bearing plate 16, the vertical rod 18 is connected with the round hole of the bearing plate 16 in a sliding mode, a buffer spring 19 is sleeved outside the vertical rod 18, and two ends of the buffer spring 19 are respectively connected with the lower side of the bearing plate 16 and the upper side of the pressing seat 17 through bolts; the below of interior box 15 is provided with bottom plate 21, through bolted connection between the inner wall of bottom plate 21 and casing 1, be provided with the sealing strip between bottom plate 21 and the casing 1, the upside of bottom plate 21 has brace table 22 through bolted connection, the upside of brace table 22 is provided with insulating rubber layer, the upside of brace table 22 and the downside of interior box 15 contact, and the recess of symmetry has been seted up to the both sides of casing 1, the inside of recess all is provided with album liquid subassembly 23, the below of casing 1 is provided with the two pair of symmetrical bottom of four and attaches seat 24, all through bolted connection between bottom attaches seat 24 and the bottom plate 21, all be provided with adjusting part 25 on four bottom attaches seat 24.

It should be noted that, in the weighing process, the receiving plate 16 moves downwards to squeeze the buffer spring 19 to make it elastically deform due to the pressure above, the gravity of the object is reflected by the pressure seat 17 applying pressure to the pressure sensor 20, so that the pressure sensor 20 can feed data back to the display screen 27 to display, and after the weighing is finished, the buffer spring 19 recovers the elastic deformation to make the receiving plate 16 move upwards to be in a shaking state, and in this process, the receiving plate 301 can shake along with the shaking state, so that the accumulated liquid on the surface of the receiving plate 301 can accelerate to flow in the shaking state of the receiving plate 301, and the sliding of the liquid on the surface of the receiving plate 301 is further improved.

Referring to fig. 1 and 8, in a preferred embodiment, the liquid collecting assembly 23 includes a liquid collecting box 2301, a rectangular concave hole is formed in the upper side of the liquid collecting box 2301, a plurality of equidistant liquid falling plates 2302 are connected between inner walls of two sides of the rectangular concave hole through bolts, a liquid storage cavity 2303 is formed in the lower end of the liquid collecting box 2301, the liquid storage cavity 2303 is arranged in an inclined column shape, a liquid draining hole is formed in the liquid collecting box 2301 and is communicated with the liquid storage cavity 2303, and a rubber plug 2304 is arranged in the liquid draining hole.

Specifically, the liquid sliding from the carrying plate 301 is collected by the liquid collecting component 23 and stored in the liquid storage cavity 2303, so that the overall mass of the device is increased, the device is more stable in the subsequent weighing operation, and the unstable placement of the device due to lighter weight is avoided, and the weighing error occurs.

In a specific application scenario, the liquid sliding up and down from the carrier plate 301 may fall into the liquid collection assembly 23 to be collected, and the overall weight of the liquid collection box 2301 may increase due to the sealed environment of the liquid storage chamber 2303 after the rubber stopper 2304 is blocked, so that the overall weight of the device increases.

It should be noted that, the liquid sliding up and down from the carrying plate 301 falls down from the liquid falling plate 2302 into the liquid collecting box 2301 to be collected, and since the liquid collecting cavity 2303 is in a sealed environment after the rubber plug 2304 is blocked, the liquid in the liquid collecting cavity 2303 will increase the total weight of the liquid collecting box 2301, the two liquid collecting boxes 2301 are located at two sides of the device and are symmetrically distributed, the weight increase amplitude is the same, so that the total weight of the device is increased, and the whole device is more stable.

Referring to fig. 1, 6 and 9, in a preferred embodiment, the adjusting component 25 includes a movable stay 2501 and a chassis 2502, a rectangular hole is formed on the lower side of the base plate 2504, the movable stay 2501 is slidably connected with the rectangular hole, a threaded groove is formed at one end of the shaft 2506, a threaded hole is formed on one side of the base plate 2502, a non-slip sheet 2503 is bonded on the lower side of the chassis 2502, the non-slip sheet 2503 is made of hard rubber with a bottom provided with a non-slip groove, a vertical tooth 2504 is connected with one side of the movable stay 2501 through a bolt, a circular concave hole is formed in the base plate 24, a round concave hole is formed in the inner side of the circular concave hole, an adjusting gear 2505 is arranged in the inner side of the circular concave hole, an adjusting gear 2505 is meshed with the vertical tooth 2504 through a tooth groove, an oval hole is formed in the middle of the adjusting gear 2505, a shaft 2506 is slidably connected with the inner side of the oval hole, a threaded groove is formed at one end of the shaft 2506, a threaded hole is formed in one side of the base plate 25024, a threaded hole is formed in the lower side of the round hole, and the other end of the shaft 2506 is rotationally connected with a threaded hole on the base plate 24 through a bolt 2507, and the other end of the shaft 2506 passes through the base plate 2507, and is connected with a knob 2507.

Specifically, the adjusting gear 2505 and the vertical teeth 2504 are meshed with each other by a gear to adjust the extension length of the movable stay 2501, so that the operation is simple and stable, and the anti-slip sheet 2503 is arranged at the chassis 2502, so that the overall stability of the device after being placed can be improved.

In a specific application scenario, the device is placed on the ground or a platform, firstly, whether the device is in a flat state is judged by observing the horizontal correction disc 26, and when the pointer of the horizontal correction disc 26 is not in the center position, the device is in unstable placement, and the adjustment component 25 needs to be adjusted so as not to cause errors in subsequent bearing operation.

It should be noted that, the ground or the platform where the device is placed has a height difference, the stable state of the device is poor after the device is placed, the falling and the bearing of the object are error due to the shaking of the device in the subsequent weighing process, the placement state of the device can be adjusted by utilizing the adjusting component, so that the device meets different working environments, and the four independent telescopic movable supporting rods 2501 can be adjusted according to actual environment requirements respectively, and the adjusting steps are as follows: rotating the adjusting knob 2507 causes the adjusting gear 2505 to rotate and engage the vertical teeth 2504, driving the movable stay 2501 to move up and down, sequentially adjusting the four adjusting assemblies 25 according to the pointer changes of the horizontal correction disk 26, and finally causing the pointer of the horizontal correction disk 26 to point vertically upward to the center position.

When the device is used, the device is placed on the ground or a platform, firstly, whether the device is in a flat state is judged by observing the horizontal correction disk 26, the device is not placed stably when the pointer of the horizontal correction disk 26 is not in the central position, the adjusting assembly 25 is required to be adjusted, the adjusting knob 2507 is rotated to enable the adjusting gear 2505 to be meshed with the vertical teeth 2504 in a rotating mode, the movable supporting rod 2501 is driven to move up and down, the four adjusting assemblies 25 are sequentially adjusted according to the change of the pointer of the horizontal correction disk 26, finally, the pointer of the horizontal correction disk 26 vertically points to the central position, then an object is placed on the device for weighing operation, the object is placed on the object bearing plate 301, the movable limiting block 902 is stressed to move downwards due to the action of the weight of the object in the placing process, the limiting spring 903 is compressed to be elastically deformed, the unpressurized movable limiting block 902 is kept in the original state, at this time, the movable limiting block 902 pressed down and the movable limiting block 902 kept in original shape form a groove matching with the shape of the object, so that the object is limited on the object bearing plate 301 to avoid moving, after the object bearing plate 301 is pressed, the base 8 rotates on the rotating rod 10, the object bearing plate 301 deflects, the return spring 12 is stretched to generate elastic deformation until the bracket 5 forms supporting force on the base 8, the two object bearing plates 301 are in a horizontal state, in the process, under the action of the pulling force of the containing spring 309, the inner connecting plate 302 is received in the inner connecting groove 303, after weighing is completed, the object is removed, the two object bearing plates 301 are reset in an inclined state due to the elastic action of the return spring 12, the inner connecting plate 302 slides out of the two inner connecting grooves 303, the containing spring 309 is pulled to generate elastic deformation, the rubber connecting block 306 is in an arc shape, the residual liquid on the object bearing plate 301 slides down and gathers in the liquid flowing groove 304, and finally, the liquid slides from the liquid flowing holes 305, the liquid which slides downwards enters the liquid collecting box 2301 from the liquid falling plate 2302, and is collected, as the liquid collecting cavity 2303 is in a sealed environment after the rubber plug 2304 is blocked, the liquid in the liquid collecting cavity 2303 can increase the total weight of the liquid collecting box 2301, the two liquid collecting boxes 2301 are symmetrically distributed at two sides of the device, the weight increase amplitude is the same, so that the total weight of the device is increased, and the whole device is more stable.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. The waterproof electronic scale comprises a shell (1), and is characterized in that a top plate (2) is fixedly connected to the upper side of the shell (1), a bearing component (3) is arranged above the top plate (2), the bearing component (3) comprises two bearing plates (301) and an inner connecting plate (302), the two bearing plates (301) are symmetrically distributed, inner connecting grooves (303) are formed in opposite sides of the two bearing plates (301), a plurality of equidistant liquid flowing grooves (304) are formed in the upper sides of the two bearing plates (301), liquid flowing holes (305) are formed in the top ends of the liquid flowing grooves (304), the inner connecting plate (302) are located in the two inner connecting grooves (303), rubber connecting blocks (306) are arranged in the middle of the inner connecting plate (302), liquid dividing grooves (307) are formed in slope shapes, the middle of each liquid dividing groove (307) is higher than the side, a plurality of inner connecting plates (308) are fixedly connected to the inner side of the inner connecting plates (303), and springs (309) are fixedly connected to the inner connecting plates (309) and are fixedly connected to the inner connecting plates (309);

four symmetrical round holes are formed in the shell (1) and the top plate (2), bearing rods (4) are arranged in the round holes, the same bracket (5) is fixedly connected to the top ends of the two bearing rods (4) located on the same side, round grooves are formed in the round holes in the top plate (2), backing rings (6) are fixedly connected to the inner parts of the round grooves, caulking grooves are formed in the upper sides of the backing rings (6), waterproof sleeves (7) are fixedly connected to the inner parts of the caulking grooves, and the other ends of the waterproof sleeves (7) are fixedly connected with the lower sides of the brackets (5);

the inner part of the shell (1) is provided with an inner box (15), the inner box (15) is fixedly connected with the inner wall of the top of the shell (1), a bearing plate (16) is arranged in the inner box (15), the upper side of the bearing plate (16) is fixedly connected with the lower ends of the four bearing rods (4), the inner wall of the bottom of the inner box (15) is provided with a rectangular mounting groove, the inner part of the rectangular mounting groove is fixedly connected with a pressure sensor (20), the upper side of the pressure sensor (20) is fixedly connected with a pressing seat (17), the upper side of the pressing seat (17) is fixedly connected with a vertical rod (18), the middle part of the bearing plate (16) is provided with a round hole, the vertical rod (18) is movably connected with the round hole of the bearing plate (16), the outer part of the vertical rod (18) is movably connected with a buffer spring (19), and two ends of the buffer spring (19) are respectively fixedly connected with the lower side of the bearing plate (16) and the upper side of the pressing seat (17).

The inner box is characterized in that a bottom plate (21) is arranged below the inner box (15), the bottom plate (21) is fixedly connected with the inner wall of the shell (1), a sealing strip is arranged between the bottom plate (21) and the shell (1), a supporting table (22) is fixedly connected to the upper side of the bottom plate (21), an insulating rubber layer is arranged on the upper side of the supporting table (22), the upper side of the supporting table (22) is contacted with the lower side of the inner box (15), symmetrical grooves are formed in the two sides of the shell (1), liquid collecting components (23) are arranged in the grooves, four two-two symmetrical bottom attaching bases (24) are arranged below the shell (1), the bottom attaching bases (24) are fixedly connected with the bottom plate (21), and adjusting components (25) are arranged on the four bottom attaching bases (24);

the liquid collecting assembly (23) comprises a liquid collecting box (2301), a rectangular concave hole is formed in the upper side of the liquid collecting box (2301), a plurality of equidistant liquid falling plates (2302) are fixedly connected between the inner walls of the two sides of the rectangular concave hole, a liquid storage cavity (2303) is formed in the lower end of the liquid collecting box (2301), the liquid storage cavity (2303) is arranged into an inclined column shape, a liquid discharge hole is formed in the liquid collecting box (2301), the liquid discharge hole is communicated with the liquid storage cavity (2303), and a rubber plug (2304) is arranged in the liquid discharge hole;

the adjusting component (25) comprises a movable stay bar (2501) and a chassis (2502), a rectangular hole is formed in the lower side of the base attached seat (24), the movable stay bar (2501) is movably connected with the rectangular hole, an oval hole is formed in the middle of the movable stay bar (2505), a shaft rod (2506) is movably connected to the inside of the oval hole, a thread groove is formed in one end of the shaft rod (2506), a threaded hole is formed in one side of the base attached seat (24), a sliding-preventing groove is formed in the bottom, a vertical tooth (2504) is fixedly connected to one side of the movable stay bar (2501), a circular concave hole is formed in the inside of the base attached seat (24), a circular concave hole is formed in one side of the rectangular hole, an adjusting gear (2505) is arranged in the inside of the circular concave hole, the adjusting gear (2505) is meshed with the vertical tooth groove (2504), an oval hole is formed in the middle of the adjusting gear (2505), a thread groove is formed in the inner movable connection with the shaft rod (2506), a threaded groove is formed in one end of the shaft rod (2506), a threaded hole is formed in one end of the base attached seat (24), a threaded hole is formed in one side of the circular concave hole, and the other end of the shaft rod (2506) is fixedly connected with the base (2507) through the knob.

2. The waterproof electronic scale according to claim 1, wherein the lower sides of the two object bearing plates (301) are fixedly connected with bases (8), the two bases (8) are respectively located above the two brackets (5), limiting assemblies (9) are respectively arranged on the upper sides of the object bearing plates (301), grooves are respectively formed in the two brackets (5), round holes are respectively formed in the two bases (8), rotating rods (10) are respectively and movably connected to the inner parts of the round holes, two ends of each rotating rod (10) are respectively and fixedly connected with the inner walls of the grooves of the brackets (5), an attachment block (11) is respectively arranged on the opposite sides of the two brackets (5), two equidistant reset springs (12) are respectively and fixedly connected to the upper sides of the attachment blocks (11), and the other ends of the reset springs (12) are respectively and fixedly connected with the lower sides of the object bearing plates (301) on the same side.

3. The waterproof electronic scale according to claim 2, wherein the limiting component (9) comprises a plurality of equidistant bosses (901) and movable limiting blocks (902), concave holes are formed in the bosses (901), the movable limiting blocks (902) are movably connected with the concave holes respectively, limiting springs (903) are fixedly connected to the concave holes of the bosses (901), and the other ends of the limiting springs (903) are fixedly connected with the lower sides of the movable limiting blocks (902) respectively.

4. The waterproof electronic scale according to claim 2, wherein a T-shaped protection table (13) is arranged between the two brackets (5), the T-shaped protection table (13) is fixedly connected with the upper side of the top plate (2), four symmetrical switch grooves are formed in the upper side of the T-shaped protection table (13), and contact switches (14) are arranged in the four switch grooves.

5. The waterproof electronic scale according to claim 1, wherein the horizontal correction disc (26), the display screen (27) and the operation panel (28) are arranged on the shell (1), a waterproof frame (29) is arranged outside the display screen (27), the waterproof frame (29) is fixedly connected with the shell (1), a sealing strip is arranged between the waterproof frame (29) and the shell (1), toughened glass (30) is arranged on the waterproof frame (29), and a leather button sleeve (31) is arranged on the operation panel (28).