CN211783811U

CN211783811U - Electronic scale with dampproofing balance foot

Info

Publication number: CN211783811U
Application number: CN202020107896.4U
Authority: CN
Inventors: 刘德红
Original assignee: Zhongshan Frecom Electronic Co ltd
Current assignee: Zhongshan Frecom Electronic Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-10-27
Anticipated expiration: 2030-01-17

Abstract

The utility model discloses an electronic scale with dampproofing balance foot, including drain pan and balance foot, the balance foot includes weighing sensor, the gland, soft foot shell made by silica gel and with drain pan integrated into one piece's conduction structure, soft foot shell and gland cooperate back difference fixed mounting in conduction structure's the outside and inboard, make the clearance between soft foot shell and the drain pan can become minimum, improve the dampproofing anti infiltration ability of electronic scale effectively, centre gripping weighing sensor between gland and the conduction structure, let the pressure of soft foot shell conduction more accurate, can improve the sensitivity that weighing sensor responded to, make the electronic scale possess high accuracy equally when carrying out the little weighing, in addition, conduction structure and drain pan integrated into one piece, need not to assemble extra conduction part, make the structure of whole balance foot more exquisite, the installation is more simple.

Description

Electronic scale with dampproofing balance foot

Technical Field

The utility model relates to an electronic scale, especially an electronic scale with dampproofing balance foot.

Background

Electronic scale, be the measuring tool who uses commonly in the real life, current electronic scale supporting legs utilize glass usually, stainless steel or plastic make behind the foot shell with the drain pan assembly together, but this assembly method makes and has the clearance between supporting legs and the drain pan, very easily by liquid, moist gas infiltrates inside the electronic scale from the clearance, and because the foot shell that glass, stainless steel or plastic etc. were made is too hard, if the electronic scale is placed and is measured on uneven plane, can greatly influence the measurement stability of electronic scale, in addition, the supporting legs of electronic scale generally comprises the foot shell, the conduction spare, sensor and fixed cover, four contact in proper order during the assembly pastes mutually, the equipment is comparatively complicated mutually, need certain experience requirement to the staff of assembly.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides an electronic scale which is accurate in measurement and has moisture-proof scale feet.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides an electronic scale with dampproofing balance foot, includes the drain pan and installs balance foot on the drain pan, the balance foot include weighing sensor, gland, the soft foot shell of making by silica gel and with drain pan integrated into one piece's conduction structure, after the assembly, soft foot shell and gland respectively fixed mounting be in conduction structure's the outside and inboard, just the gland with centre gripping between the conduction structure weighing sensor.

The conduction structure comprises a sunken piece in the center and connecting ribs uniformly distributed between the sunken piece and the bottom shell, and assembling clamping holes are uniformly formed in the periphery of the bottom shell of the conduction structure.

The connection points of each connecting rib with the undercut and with the bottom shell are radially offset.

The sunken piece is provided with a groove, the bottom surface of the groove is provided with a positioning hole, and a rigid gasket is arranged in the groove.

The middle part of the soft foot shell is recessed to form a semicircular structure, the end face of the top of the soft foot shell is provided with a plurality of soft shell clamping pieces matched with the assembling clamping holes, and the lowest part of the concave surface of the soft foot shell is provided with a positioning column.

One side of gland is provided with and is used for placing weighing sensor's fitting ring, be provided with on the fitting ring a plurality of positions with the corresponding fixed fastener in assembly card hole, after the assembly, soft pedal shell covers in the outside of conduction structure, the soft shell fastener stretches into in the assembly card hole, fixed fastener card is gone into in the assembly card hole and will soft shell fastener centre gripping is in between fixed fastener and the drain pan.

The assembly ring is provided with a wire guide opening.

One side of the weighing sensor, which is far away from the gland, is provided with an extrusion bulge.

The utility model has the advantages that: the utility model discloses a soft foot shell and gland respectively fixed mounting in the outside and the inboard of conduction structure after cooperating, make the clearance between soft foot shell and the drain pan can become minimum, improve the dampproofing anti infiltration ability of electronic scale effectively, centre gripping weighing sensor between gland and the conduction structure, the pressure of letting soft foot shell conduction is more accurate, can improve the sensitivity of weighing sensor response, make the electronic scale possess high accuracy equally when weighing for a short time, in addition, conduction structure and drain pan integrated into one piece, need not to assemble extra conduction part, make the structure of whole balance foot more exquisite, it is more simple to install.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is an exploded view of the present invention;

FIG. 2 is a schematic structural view of the bottom case;

FIG. 3 is an enlarged view of the structure of FIG. 2A;

FIG. 4 is a schematic structural view of a soft foot shell;

FIG. 5 is a schematic view of the gland;

fig. 6 is a schematic view of the structure of the load cell.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without creative work belong to the scope of the present invention.

The directional or positional relationships "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., are those shown in the drawings, are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention.

Referring to fig. 1, an electronic scale with dampproofing balance foot, includes drain pan 1, face lid 18 and installs the balance foot on the drain pan 1, the balance foot include weighing sensor 2, gland 3, by soft foot shell 4 that silica gel made and with drain pan 1 integrated into one piece's conduction structure 5, after the assembly, soft foot shell 4 and gland 3 respectively fixed mounting in the outside and the inboard of conduction structure 5, just gland 3 with centre gripping between the conduction structure 5 weighing sensor 2, in this embodiment, drain pan 1 pass through the screw with face lid 18 is fixed continuous, drain pan 1 and gland 3 all adopt plastics hard material, and soft foot shell 4 adopts silica gel material, makes itself have certain resilience characteristic, after the atress deformation, has the internal stress that resumes deformation, after soft foot shell 4 fixes the outside at conduction structure 5, soft foot shell 4 can closely paste the dress on drain pan 1, compared with a foot shell made of glass, stainless steel or plastic, the soft foot shell 4 is not easy to permeate into the interior of the gap by liquid, dirt and moist air, the requirement for placing the flatness of the plane is reduced, and the measurement stability of the electronic scale is improved.

Referring to fig. 2 to 5, the conducting structure 5 includes a depressed part 6 at the center and connecting ribs 7 uniformly distributed between the depressed part 6 and the bottom case 1, and the bottom case 1 is uniformly provided with assembly locking holes 8 at the periphery of the conducting structure 5. The middle part of the soft foot shell 4 is recessed to form a semicircular structure, the end face of the top part of the soft foot shell is provided with a plurality of soft shell clamping parts 12 matched with the assembling clamping holes 8, and the lowest part of the concave surface of the soft foot shell 4 is provided with a positioning column 13. A side surface of the cover 3 is provided with a mounting ring 14 for placing the load cell 2, the assembling ring 14 is provided with a plurality of fixed clamping pieces 15 which correspond to the assembling clamping holes 8 in position, after assembling, the soft foot shell 4 covers the outer side of the conducting structure 5, the soft shell clamping piece 12 extends into the assembling clamping hole 8, the fixed clamping piece 15 is clamped into the assembling clamping hole 8 and firmly clamps the soft shell clamping piece 12 between the fixed clamping piece 15 and the bottom shell 1, so that the soft foot shell 4 is tightly attached to the outer side of the conduction structure 5, the sunken piece 6 is provided with a groove 9, the bottom surface of the groove 9 is provided with a positioning hole 10, after the soft foot shell 4 is fixed, the positioning column 13 can be matched with the positioning hole 10 to play a role of limiting and fixing, the rigid gasket 11 is arranged in the groove 9, in this embodiment, the sinking piece 6 is made of metal iron, so that the sinking piece can conduct force more sensitively.

The connecting point of each connecting rib 7 and the sunken sheet 6 and the connecting point of the bottom shell 1 are staggered in the radial direction, so that the stress limit of the connecting rib 7 can be effectively improved while plastic deformation is kept.

Referring to fig. 5, the assembly ring 14 is provided with a wire guide opening 16, the wire guide opening 16 enables the weighing sensor 2 to be connected with a circuit board 19 of an electronic scale through a wire, an electric contact point of the weighing sensor 2 electrically connected with the wire is covered with a connecting coating for fixedly connecting the two, a waterproof adhesive layer is coated on the connecting coating, the type of the waterproof adhesive layer is PR-1 double-component electric insulation sealant, the type of the weighing sensor 2 is CZL913 AB-0O, and the weighing sensor 2 has good moisture resistance.

Referring to fig. 6, an extrusion protrusion 17 is arranged on one side of the weighing sensor 2, which is away from the gland 3, after the scale feet are assembled, the extrusion protrusion 17 can apply slight pre-pressure to the sinking piece 6, so that the weighing sensor 2, the sinking piece 6 and the soft foot shell 4 are in closer contact, the conducted pressure is more accurate, the sensing sensitivity of the weighing sensor 2 can be improved, and the electronic scale also has extremely high accuracy when performing small weighing.

The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.

Claims

1. The utility model provides an electronic scale with dampproofing balance foot, includes drain pan (1) and installs balance foot on drain pan (1), its characterized in that the balance foot include weighing sensor (2), gland (3), soft foot shell (4) made by silica gel and with drain pan (1) integrated into one piece's conduction structure (5), after the assembly, soft foot shell (4) and gland (3) fixed mounting respectively in the outside and the inboard of conduction structure (5), just gland (3) with centre gripping between conduction structure (5) weighing sensor (2).

2. Electronic scale with moisture-proof scale feet according to claim 1, characterized in that the conducting structure (5) comprises a central depressed part (6) and connecting ribs (7) uniformly distributed between the depressed part (6) and the bottom shell (1), and the bottom shell (1) is uniformly provided with assembly clamping holes (8) at the periphery of the conducting structure (5).

3. Electronic scale with moisture-proof weighing foot according to claim 2, characterized in that the connection point of each connecting rib (7) to the lower plate (6) and to the bottom shell (1) is radially offset.

4. Electronic scale with moisture-proof scale foot according to claim 2, characterized in that the sinking piece (6) is provided with a groove (9), the bottom surface of the groove (9) is provided with a positioning hole (10), and a rigid gasket (11) is arranged in the groove (9).

5. The electronic scale with moisture-proof scale feet as claimed in claim 2, wherein the middle part of the soft foot shell (4) is recessed into a semicircular structure, the end surface of the top part of the soft foot shell is provided with a plurality of soft shell clamping pieces (12) matched with the assembling clamping holes (8), and the lowest part of the concave surface of the soft foot shell (4) is provided with a positioning column (13).

6. The electronic scale with moisture-proof scale feet according to claim 5, characterized in that an assembling ring (14) for placing the weighing sensor (2) is arranged on one side surface of the gland (3), a plurality of fixing clamping pieces (15) corresponding to the assembling clamping holes (8) in position are arranged on the assembling ring (14), after assembly, the soft foot shell (4) covers the outer side of the conducting structure (5), the soft shell clamping pieces (12) extend into the assembling clamping holes (8), the fixing clamping pieces (15) are clamped into the assembling clamping holes (8) and clamp the soft shell clamping pieces (12) between the fixing clamping pieces (15) and the bottom shell (1).

7. Electronic scale with moisture-proof scale feet according to claim 6, characterized in that the mounting ring (14) is provided with a wire guide opening (16).

8. Electronic scale with moisture-proof weighing foot according to claim 1, characterized in that a pressing projection (17) is provided on the side of the weighing cell (2) facing away from the cover (3).