CN218545880U

CN218545880U - Waterproof scale

Info

Publication number: CN218545880U
Application number: CN202222718291.0U
Authority: CN
Inventors: 石俭友; 石晓松
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-02-28
Anticipated expiration: 2032-10-14

Abstract

The utility model discloses a waterproof scale, which comprises a base, a conduction piece, a scale pan and a sealing piece, wherein the base is provided with an inner cavity, a pressure sensor is arranged in the inner cavity, the top wall of the inner cavity is provided with a first through hole, the conduction piece is arranged in the first through hole, and the top and the bottom of the conduction piece are respectively connected with the scale pan and the pressure sensor; the sealing element is annular, and the sealing element is equipped with interior edge portion, intermediate part and outer edge portion, and interior edge portion cover is in the outside of conduction piece and relatively fixed with the conduction piece, and outer edge portion is relatively fixed with the border of first through-hole, and the intermediate part is the flexible material component. The middle part of the sealing element is a flexible component, the middle part can absorb the relative displacement between the conduction piece and the base, the inner edge part of the sealing element cannot move relative to the conduction piece, the outer edge part of the sealing element cannot move relative to the base, and the sealing effect is good; even there is water to adhere to on the conduction piece, these water can not get into in the base along with the conduction piece yet, promptly the utility model discloses a water-proof effects is better.

Description

Waterproof scale

Technical Field

The utility model relates to a weighing device field, in particular to waterproof scale.

Background

At present, electronic scales are used in more and more occasions due to powerful functions and convenient operation. When the electronic scale uses, need guarantee that the electronic scale separates with outside water source, avoid the electronic scale to intake and influence the normal use of electronic scale to and shorten the life of electronic scale.

The electronic scale generally includes base and pan of steelyard for in the base was located to the sensor of weighing, be connected with the conduction pole of vertical setting between sensor and the pan of steelyard, the base relatively of conduction pole meeting reciprocated when weighing, in the gap inflow base between outside water is easy from conduction pole and the base, consequently the gap between conduction pole and the base is the key point of electronic scale waterproof design.

In order to achieve the waterproof purpose, a rubber sealing ring is arranged at a gap between the conduction rod and the base of the waterproof scale disclosed in the patent CN 201820415914.8; however, in use, the rubber sealing ring is aged along with the lapse of time, the rubber sealing ring cannot be tightly attached to the conduction rod, and the conduction rod can move up and down relative to the rubber sealing ring during weighing, so that water attached to the conduction rod can enter the base, and the waterproof effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a waterproof scale.

The waterproof scale comprises a base, a conducting piece, a scale pan and a sealing piece, wherein the base is provided with an inner cavity, a pressure sensor is arranged in the inner cavity, the top wall of the inner cavity is provided with a first through hole, the conducting piece is arranged in the first through hole, and the top and the bottom of the conducting piece are respectively connected with the scale pan and the pressure sensor; the sealing member is cyclic annular, the sealing member is equipped with interior edge portion, intermediate part and outer edge portion, interior edge portion cover in the outside of conduction piece and with conduction piece relatively fixed, outer edge portion with the border of first through-hole relatively fixed, the intermediate part is the flexible material component.

According to the utility model discloses waterproof scale has following technological effect at least: the middle part of the sealing element is a flexible component, the middle part can absorb the relative displacement between the conduction piece and the base, the inner edge part of the sealing element cannot move relative to the conduction piece, the outer edge part of the sealing element cannot move relative to the base, and the sealing effect is good; even there is water to adhere to on the conduction piece, these water can not get into in the base along with the conduction piece yet, promptly the utility model discloses a water-proof effects is better.

According to some embodiments of the invention, the inner rim portion, the intermediate portion and the outer rim portion are integral components. Therefore, the sealing effect between the inner edge part and the middle part is better, the sealing effect between the middle part and the outer edge part is better, and water is prevented from passing through between the inner edge part and the middle part or between the middle part and the outer edge part.

According to some embodiments of the invention, the sealing element is a rubber material member. Therefore, the sealing element has certain elasticity, and the sealing effect between the sealing element and the edge of the first through hole and the conducting element is better.

According to some embodiments of the invention, the intermediate portion is provided with a plurality of rings of annular corrugations. When the conduction piece moves vertically, the middle section can stretch out and draw back along the radial direction of the conduction piece, and the purpose of offsetting displacement is achieved.

According to some embodiments of the utility model, the scale includes main part and cap, the scale with the conduction piece passes through bolted connection, the main part is equipped with the recess of undercut, the bolt is located in the recess, the cap is located the upside of main part. After the cap is detached, the bolt can be screwed out, the main body part can be detached, and the scale pan can be conveniently detached.

According to some embodiments of the invention, the periphery of the conduction piece is provided with a first bulge loop, the inner edge portion is provided at an upper side of the first bulge loop. First bulge loop can be to inside supporting role that plays of edge, prevents that edge portion from sliding downwards, and then prevents that the laminating between edge portion and the conduction piece from producing not hard up.

According to some embodiments of the present invention, the bottom of the scale pan is provided with a second bulge loop, the second bulge loop is sleeved outside the top of the conductive member, and the inner edge portion is provided between the second bulge loop and the first bulge loop. The second bulge loop can tightly support interior edge portion on first bulge loop like this, and interior edge portion is difficult not hard up, and is sealed effectual.

According to some embodiments of the utility model, the second bulge loop with be equipped with first clearance between the conduction piece, the top of interior edge is equipped with the third bulge loop, the top of third bulge loop is located in the first clearance. Therefore, the vertical position of the top of the third convex ring is higher than that of the inner edge part, and the third convex ring can block water on the upper side of the inner edge part from flowing to the inner side of the inner edge part.

According to the utility model discloses a some embodiments, the external diameter of third bulge loop reduces from last to down gradually, the bottom of third bulge loop is located the below of second bulge loop. When the scale pan is installed, the third convex ring moves downwards, so that the third convex ring tends to move towards the conduction piece, and the inner edge part is attached to the conduction piece more tightly.

According to some embodiments of the utility model, the bottom of outer edge portion is equipped with annular groove, the border of first through-hole is equipped with the fourth bulge loop, the fourth bulge loop is located in the annular groove. The connection between the border of outer edge portion and first through-hole is inseparabler like this, and water-proof effects is better.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of a waterproof scale according to an embodiment of the present invention;

FIG. 2 is a front cross-sectional schematic view of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the drawings:

100-a base; 101-a display screen; 102-a manipulation panel; 103-a communication port; 110-a pressure sensor; 120-a conductor; 121-a first convex ring; 130-a fourth bulge loop; 210-a body portion; 211-grooves; 212-bolt; 213-a second torus; 220-a cap; 310-an inner edge portion; 311-third bulge loop; 320-an intermediate portion; 330-outer edge portion.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The following examples are provided only for the purpose of illustrating the present invention and are not to be construed as limiting the present invention.

In the description of the present invention, the directions or positional relationships indicated as up, down, front, rear, left, right, etc. are only referred to the directions or positional relationships indicated in the drawings for convenience of description of the present invention and simplification of description, and do not indicate that the device or element referred to must have a specific direction, operate in a specific direction, and therefore should not be construed as limiting the present invention. The meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and the meaning of more than, less than, exceeding, etc. is understood as excluding the number, and the meaning of more than, less than, etc. is understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating relative importance or indicating the number of indicated technical features or indicating the precedence of the indicated technical features.

In the description of the present invention, words such as setting, installing and connecting should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above words in combination with the specific contents of the technical solution.

A waterproof scale according to an embodiment of the present invention is described below with reference to fig. 1 to 3.

The waterproof scale comprises a base 100, a conducting piece 120, a scale pan and a sealing piece, wherein the base 100 is provided with an inner cavity, a pressure sensor 110 is arranged in the inner cavity, the top wall of the inner cavity is provided with a first through hole, the conducting piece 120 is arranged in the first through hole, and the top and the bottom of the conducting piece 120 are respectively connected with the scale pan and the pressure sensor 110; the sealing element is annular, the sealing element is provided with an inner edge part 310, an intermediate part 320 and an outer edge part 330, the inner edge part 310 is sleeved outside the conducting element 120 and is relatively fixed with the conducting element 120, the outer edge part 330 is relatively fixed with the edge of the first through hole, and the intermediate part 320 is a flexible material component.

For example, as shown in fig. 1, the scale pan is in a shape of a transversely disposed plate, the scale pan is disposed above the base 100, the scale pan is in a rectangular shape, and the top wall of the conducting member 120 is connected to the geometric center of the scale pan, but the scale pan may also be in a circular shape, a hexagonal shape or other shapes; the pressure sensor 110 is fixedly arranged in the base 100, the conductive element 120 is vertically arranged in a cylindrical shape, referring to fig. 2, the conductive element 120 is coaxial with the first through hole, the sealing element is connected between the edge of the first through hole and the conductive element 120, an inner edge portion 310, an intermediate portion 320 and an outer edge portion 330 of the sealing element are all in a ring shape, the intermediate portion 320 is sleeved outside the inner edge portion 310, the outer edge portion 330 is sleeved outside the intermediate portion 320, the inner edge portion 310 is connected with the conductive element 120 in a sealing manner, the inner edge portion 310 can be a rigid member and is fixedly connected with the conductive element 120 through glue, welding or other suitable manners, the inner edge portion 310 can also be an elastic member and is connected with the conductive element 120 in an interference fit manner, and the outer edge portion 330 can be a rigid member and is fixedly connected with the conductive element 120 through glue, welding or other suitable manners; the base 100 is further provided with a display screen 101 and a control panel 102, the display screen 101 and the control panel 102 are both electrically connected with the pressure sensor 110, and the electrical connection manner of the display screen 101, the control panel 102 and the pressure sensor 110 is a conventional technical means in the art and is not described herein; the bottom wall of the inner cavity is also provided with a communication port 103 so that the inner cavity is communicated to the external environment, and the communication port 103 plays a role in balancing air pressure.

By arranging the middle part 320 of the sealing element as a flexible member, the middle part 320 can absorb the relative displacement between the conductive element 120 and the base 100, the inner edge part 310 of the sealing element cannot move relative to the conductive element 120, the outer edge part 330 of the sealing element cannot move relative to the base 100, and the sealing effect is good; even if there is water attached to the conduction piece 120, the water can not enter the base 100 along with the conduction piece 120, i.e. the waterproof effect of the present invention is better.

In some embodiments of the present invention, the inner rim portion 310, the intermediate portion 320, and the outer rim portion 330 are a unitary member. Thus, the sealing effect between the inner edge portion 310 and the middle portion 320 is better, the sealing effect between the middle portion 320 and the outer edge portion 330 is better, and water is prevented from passing through between the inner edge portion 310 and the middle portion 320 or between the middle portion 320 and the outer edge portion 330. Of course, the inner edge 310, the middle portion 320, and the outer edge 330 may be separate members, and may be attached together by a sealing and fixing method such as welding or fusing.

In some embodiments of the present invention, the sealing member is a rubber material member. Therefore, the sealing element has certain elasticity, and the sealing effect of the sealing element and the edge of the first through hole and the conducting element 120 is better.

In some embodiments of the present invention, the intermediate portion 320 is provided with a plurality of annular ripples. The middle part 320 is in a transversely arranged sheet shape, the middle section is provided with wavy folds, and the wavelength direction of the wavy folds is the radial direction of the middle part 320; thus, when the conducting member 120 moves vertically, the middle section can expand and contract along the radial direction, so as to achieve the purpose of offsetting the displacement, and the resistance to the conducting member 120 is small. The sealing member transversely sets up on the whole, even have a large amount of rivers to flow to the sealing member on, these water also can flow the outside of base 100 from both sides, can not cause ponding, prevent that ponding is too many, the too big infiltration that leads to of border department water pressure of sealing member and first through-hole, also can not be because of the too big infiltration of water pressure between sealing member and the conduction piece 120.

In some embodiments of the present invention, the scale comprises a main body 210 and a cap 220, the scale is connected to the conduction member 120 by a bolt 212, the main body 210 is provided with a recess 211 recessed downward, the bolt 212 is disposed in the recess 211, and the cap 220 is disposed on the upper side of the main body 210. A vertically-arranged internal threaded hole is formed in the top of the conducting piece 120, a vertically-arranged second through hole is formed in the bottom of the groove 211, and the bolt 212 penetrates through the second through hole from top to bottom and then is screwed into the internal threaded hole, so that the main body portion 210 and the conducting piece 120 can be connected; the periphery of the cap 220 is provided with a downward convex edge covering, the cap 220 is covered on the upper side of the main body part 210 from top to bottom, so that the edge covering surrounds the periphery of the main body part 210, namely, the cap 220 is detachably connected with the main body part 210, and the cap 220 shields the groove 211 to protect the bolt 212 from being corroded; the number of bolts 212 may be two or more to more securely hold the scale; after the cap 220 is removed, the bolt 212 can be unscrewed and the main body 210 can be removed, so that the scale can be conveniently detached.

In some embodiments of the present invention, the outer periphery of the conducting element 120 is provided with a first convex ring 121, and the inner edge 310 is provided on the upper side of the first convex ring 121. The first protruding ring 121 and the conductive element 120 may be an integral component, and the first protruding ring 121 can support the inner edge portion 310 to prevent the inner edge portion 310 from sliding downward, thereby preventing the fit between the inner edge portion 310 and the conductive element 120 from loosening.

In some embodiments of the present invention, the scale pan has a second protrusion ring 213 at the bottom, the second protrusion ring 213 is sleeved on the outside of the top of the conductive member 120, and the inner edge 310 is disposed between the second protrusion ring 213 and the first protrusion ring 121. Referring to fig. 3, the second protrusion ring 213 and the body 210 may be an integral component, and the bottom of the second protrusion ring 213 abuts against the inner edge 310, so that the inner edge 310 can be tightly abutted against the first protrusion ring 121 by the second protrusion ring 213, the inner edge 310 is not easily loosened, and the sealing effect is good.

In some embodiments of the present invention, a first gap is disposed between the second protruding ring 213 and the conducting element 120, a third protruding ring 311 is disposed on the top of the inner edge 310, and the top of the third protruding ring 311 is disposed in the first gap. The third convex ring 311 and the inner edge portion 310 may be an integral component; thus, the vertical position of the top of the third convex ring 311 is higher than that of the inner edge portion 310, and the third convex ring 311 can block the water on the upper side of the inner edge portion 310 from flowing to the inner side of the inner edge portion 310.

In some embodiments of the present invention, the outer diameter of the third convex ring 311 is gradually reduced from top to bottom, and the bottom of the third convex ring 311 is disposed below the second convex ring 213. When the scale is mounted, the third protruding ring 311 moves downward, so that the third protruding ring 311 tends to move toward the conductive element 120, and the inner edge portion 310 and the conductive element 120 are attached more tightly.

In some embodiments of the present invention, the bottom of the outer edge 330 is provided with an annular groove, the edge of the first through hole is provided with a fourth protruding ring 130, and the fourth protruding ring 130 is disposed in the annular groove. The fourth convex ring 130 is arranged on the upper side of the edge of the first through hole, the fourth convex ring 130 and the edge of the first through hole can be an integral component, and the fourth convex ring 130 is embedded into the annular groove from bottom to top; thus, the connection between the outer edge part 330 and the edge of the first through hole is tighter, and the waterproof effect is better.

The above description is for the purpose of illustrating the preferred embodiments of the present invention, but the present invention is not limited to the illustrated embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the appended claims.

Claims

1. A waterproof scale is characterized in that: the pressure sensor comprises a base (100), a conducting piece (120), a scale pan and a sealing piece, wherein the base (100) is provided with an inner cavity, a pressure sensor (110) is arranged in the inner cavity, the top wall of the inner cavity is provided with a first through hole, the conducting piece (120) is arranged in the first through hole, and the top and the bottom of the conducting piece (120) are respectively connected with the scale pan and the pressure sensor (110); the sealing element is annular, the sealing element is provided with an inner edge portion (310), an intermediate portion (320) and an outer edge portion (330), the inner edge portion (310) is sleeved on the outer side of the conducting piece (120) and is relatively fixed with the conducting piece (120), the outer edge portion (330) is relatively fixed with the edge of the first through hole, and the intermediate portion (320) is a flexible material component.

2. The waterproof scale of claim 1, wherein: the inner edge portion (310), the intermediate portion (320), and the outer edge portion (330) are an integral member.

3. The waterproof scale of claim 2, wherein: the sealing element is a rubber material component.

4. The waterproof scale of claim 1, wherein: the intermediate portion (320) is provided with a plurality of annular corrugations.

5. The waterproof scale of claim 1, wherein: the scale comprises a main body part (210) and a cap (220), the scale is connected with the conduction piece (120) through a bolt (212), the main body part (210) is provided with a groove (211) which is sunken downwards, the bolt (212) is arranged in the groove (211), and the cap (220) is arranged on the upper side of the main body part (210).

6. The waterproof scale of claim 1, wherein: the periphery of the conduction piece (120) is provided with a first convex ring (121), and the inner edge part (310) is arranged on the upper side of the first convex ring (121).

7. The waterproof scale of claim 6, wherein: the bottom of scale dish is equipped with second bulge loop (213), second bulge loop (213) cover in the outside of the top of conduction piece (120), interior edge portion (310) is located between second bulge loop (213) and first bulge loop (121).

8. The waterproof scale of claim 7, wherein: a first gap is formed between the second convex ring (213) and the conducting piece (120), a third convex ring (311) is arranged at the top of the inner edge portion (310), and the top of the third convex ring (311) is arranged in the first gap.

9. The waterproof scale of claim 8, wherein: the outer diameter of the third convex ring (311) is gradually reduced from top to bottom, and the bottom of the third convex ring (311) is arranged below the second convex ring (213).

10. The waterproof scale of claim 1, wherein: the bottom of outer edge portion (330) is equipped with the annular groove, the border of first through-hole is equipped with fourth bulge loop (130), fourth bulge loop (130) are located in the annular groove.