CN219675255U - Waterproof structure of electronic scale - Google Patents

Abstract

The utility model discloses a waterproof structure of an electronic scale, which comprises a surface cover, wherein an accommodating groove for accommodating electronic components and a bottom plate for sealing the accommodating groove are arranged on the surface cover, a connecting structure for connecting the accommodating groove and the bottom plate is arranged between the bottom plate and the surface cover, the connecting structure comprises at least two rows of hanging lugs arranged on the surface cover, at least one row of hanging lugs is positioned at the left side of the accommodating groove, at least one row of hanging lugs is positioned at the right side of the accommodating groove, first mounting holes penetrating through the whole row of hanging lugs are arranged on the hanging lugs of the same row, through holes for the hanging lugs to penetrate are arranged at positions, corresponding to the hanging lugs, on the bottom plate, of the connecting structure, a connecting rod capable of being inserted into the first mounting holes so as to limit the bottom plate to be separated from the surface cover, a sealing piece for sealing the accommodating groove is arranged between the surface cover and the bottom plate, and the connecting rod is inserted into the first mounting holes so as to limit the bottom plate to be separated from the surface cover, thereby effectively reducing the use quantity of screws, lowering cost and facilitating assembly and disassembly.

Description

Waterproof structure of electronic scale

Technical Field

The utility model relates to the technical field of electronic scales, in particular to a waterproof structure of an electronic scale.

Background

The existing electronic scale waterproof structure generally comprises a waterproof surface cover, a waterproof bottom shell, a sealing ring, screws and the like. The waterproof surface cover or the waterproof bottom shell is provided with a sealing groove, and the sealing ring is placed in the sealing groove and tightly pressed by the waterproof surface cover and the waterproof bottom shell through screws so as to achieve the aim of water prevention. However, the waterproof structure has some disadvantages: 1. in order to achieve the waterproof effect, the distance between the fastening screws cannot be too wide, so that the number of the screws is relatively large, the cost is relatively high, the screws are relatively troublesome to punch during installation and detach during maintenance, and the labor cost is relatively high; 2. for the purposes of rust prevention and cost reduction, the waterproof surface cover and the waterproof bottom shell are generally formed by plastic injection molding, and studs are injection molded on the waterproof surface cover or the waterproof bottom shell and are matched with self-tapping screws to fasten and seal. The product generally needs to be tested for waterproof effect or maintained and debugged, and the tapping screw needs to be assembled and disassembled repeatedly for a plurality of times, so that the number of the tapping screws is relatively large, the disassembly and assembly are complicated, the probability of sliding teeth of the plastic stud is increased, and the sealing waterproof effect is affected.

There is currently no effective method for solving the above problems.

The present utility model has been made based on the above-described circumstances.

Disclosure of Invention

The utility model overcomes the defects of the prior art and provides the waterproof structure of the electronic scale, which can effectively reduce the number of screws, is convenient to assemble and disassemble and has good waterproof effect.

The utility model is realized by the following technical scheme:

the utility model provides a waterproof construction of electronic scale, includes the face lid, be equipped with the holding tank that is used for placing electronic component and be used for sealed holding tank's bottom plate on the face lid, be equipped with the connection structure who connects both between bottom plate and the face lid, connection structure is including locating two at least rows of hangers on the face lid, and at least one row of hangers is located the left side of holding tank, and at least one row of hangers is located the right side of holding tank, is equipped with the first mounting hole that runs through whole row of hangers on the hangers of same row, the position that corresponds the hangers on the bottom plate is equipped with the through-hole that supplies the hangers to wear out, thereby connection structure still is including inserting the connecting rod that thereby restriction bottom plate breaks away from the face lid in the first mounting hole, be equipped with the sealing member that is used for sealed holding tank between face lid and the bottom plate.

The waterproof structure of the electronic scale comprises the sealing piece with elasticity.

In the waterproof structure of the electronic scale, the cross section of the connecting rod is in a cam shape with a protruding part.

According to the waterproof structure of the electronic scale, the rotating arms for rotating the connecting rods are sleeved at the two ends of the connecting rods.

According to the waterproof structure of the electronic scale, the fixing structure for fixing the rotating arm is arranged between the rotating arm and the bottom plate.

The waterproof structure of the electronic scale comprises the second mounting hole formed in the rotating arm and the screw hole formed in the bottom plate and matched with the second mounting hole for mounting the screw.

According to the waterproof structure of the electronic scale, when the rotating arm rotates to the position that the second mounting hole is coaxial with the screw hole, the protruding part presses the bottom plate to the surface cover, and the sealing ring is in a compressed state.

The waterproof structure of the electronic scale comprises the rotating arm, the connecting rod and the connecting rod, wherein the rotating arm comprises a sleeved end and an extension arm connected to the sleeved end, the sleeved end is provided with a sleeved hole for the connecting rod to be inserted, and the second mounting hole is positioned at one end of the extension arm far away from the sleeved end.

According to the waterproof structure of the electronic scale, the sealing groove for placing the sealing ring is formed in the surface cover, and the thickness of the sealing ring is larger than the depth of the sealing groove.

Compared with the prior art, the utility model has the following advantages:

thereby insert in the first mounting hole through the connecting rod and restrict the bottom plate and break away from the face lid to effectively reduce the use quantity of screw, reduce cost, and make the dismouting become convenient.

The cross section of connecting rod is the cam shape that has the protruding portion, makes the rotor arm fixed on the bottom plate after rotating the connecting rod, and protruding portion presses the bottom plate towards the face lid, and the sealing washer is in compressed state to have better waterproof effect.

Drawings

The utility model is described in further detail below with reference to the attached drawing figures, wherein:

FIG. 1 is an exploded view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

FIG. 4 is a schematic view of the structure of the swing arm of the present utility model;

fig. 5 is a schematic cross-sectional view of a connecting rod in accordance with the present utility model.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

the waterproof structure of an electronic scale as shown in fig. 1 to 5 comprises a surface cover 1, wherein a containing groove 11 for placing electronic components and a bottom plate 2 for sealing the containing groove 11 are arranged on the surface cover 1, a connecting structure for connecting the bottom plate 2 and the surface cover 1 is arranged between the bottom plate 2 and the surface cover 1, the connecting structure comprises at least two rows of lugs 12 arranged on the surface cover 1, at least one row of lugs 12 is arranged on the left side of the containing groove 11, at least one row of lugs 12 is arranged on the right side of the containing groove 11, first mounting holes 121 penetrating through the whole row of lugs 12 are arranged on the lugs 12 of the same row, through holes 21 for penetrating through the lugs 12 are arranged on the bottom plate 2 corresponding to the lugs 12, and a connecting rod 3 capable of being inserted into the first mounting holes 121 to limit the bottom plate 2 to be separated from the surface cover 1 is further arranged between the surface cover 1 and the bottom plate 2. Thereby insert first mounting hole 121 through connecting rod 3 and thereby restrict bottom plate 2 and break away from face lid 1 to effectively reduce the use quantity of screw, reduce cost, and make the dismouting become convenient, simultaneously connecting rod 3 also can press bottom plate 2 towards face lid 1, thereby compresses tightly the sealing member and improve waterproof construction sealing effect.

In an embodiment, the sealing member is an elastic sealing ring 4, the face cover 1 is provided with a sealing groove 13 for placing the sealing ring 4, and the thickness of the sealing ring 4 is greater than the depth of the sealing groove 13, so that the sealing ring 4 extends out of the sealing groove 13 to be compressed and deformed by the bottom plate 2, and the sealing effect is improved.

In an embodiment, the cross section of the connecting rod 3 is in a cam shape with a protruding part 31, and when the connecting rod 3 is rotated, the protruding part 31 can press the bottom plate 2 to the surface cover 1, so that the sealing ring 4 is pressed to improve the sealing effect. Of course, the cross section of the connecting rod 3 may be other shapes, and of course, when the cross section of the connecting rod 3 is other shapes, such as a round shape or a regular polygon shape, the connecting rod 3 can press the bottom plate 2 against the face cover 1 after the connecting rod 3 is inserted into the first mounting hole 121, so that the sealing ring 4 is in a compressed state. After the base plate 2 is mounted on the face cover 1, the lowest point of the first mounting hole 121 is lower than the upper surface of the base plate 2, so that a space for pushing the protruding portion 31 of the connecting rod 3 to push the base plate 2 is reserved.

The both ends of connecting rod 3 cup joint the rotor arm 5 that is used for rotating connecting rod 3, be convenient for rotate connecting rod 3 through rotor arm 5, be equipped with the fixed knot who is used for fixed rotor arm 5 between rotor arm 5 and the bottom plate 2 constructs including locating the second mounting hole 51 on rotor arm 5 and locating the screw 22 that the cooperation second mounting hole 51 carried out the installation screw on the bottom plate 2, when rotor arm 5 rotated to second mounting hole 51 and screw 22 coaxial or the center pin parallel, protruding portion 31 was pressed bottom plate 2 towards face lid 1, and sealing washer 4 was in compressed state, at this moment fixed rotor arm 5 through the screw to make sealing washer 4 be in compressed state.

In an embodiment, the rotating arm 5 includes a socket end 52 and an extension arm 53 connected to the socket end 52, a socket hole 521 for inserting the connecting rod 3 is provided on the socket end 52, the shape of the socket hole 521 is the same as the shape of the cross section of the connecting rod 3, the socket hole 521 is a blind hole or the socket hole 521 is a through hole, and when the socket hole 521 is a through hole, the connecting rod 3 is in interference fit with the socket hole 3. The second mounting hole 51 is located at one end of the extension arm 53 away from the socket end 52, and the socket end 52 and the extension arm 53 are provided with reinforcing ribs 54. The sleeve joint end 52, the extension arm 53 and the reinforcing rib 54 are integrally formed.

Claims (9)

1. The utility model provides a waterproof construction of electronic scale which characterized in that: including face lid (1), be equipped with on face lid (1) be used for placing electronic component's holding tank (11) and be used for sealed bottom plate (2) of holding tank (11), be equipped with the connection structure who connects both between bottom plate (2) and face lid (1), connection structure is including locating at least two rows of hangers (12) on face lid (1), and at least one row of hangers (12) are located the left side of holding tank (11), and at least one row of hangers (12) are located the right side of holding tank (11), are equipped with on hangers (12) of same row and run through first mounting hole (121) of whole row of hangers (12), the position that corresponds hangers (12) on bottom plate (2) is equipped with through-hole (21) that supply hangers (12) to wear out, thereby connection structure still including can insert in first mounting hole (121) to restrict connecting rod (3) that bottom plate (2) break away from face lid (1), be equipped with the sealing member that is used for sealed holding tank (11) between face lid (1) and bottom plate (2).

2. The waterproof structure of an electronic scale according to claim 1, wherein: the seal comprises a sealing ring (4) with elasticity.

3. The waterproof structure of an electronic scale according to claim 2, wherein: the cross section of the connecting rod (3) is in the shape of a cam with a protruding part (31).

4. A waterproof structure of an electronic scale according to claim 3, wherein: the two ends of the connecting rod (3) are sleeved with rotating arms (5) for rotating the connecting rod (3).

5. The waterproof structure of an electronic scale according to claim 4, wherein: a fixing structure for fixing the rotating arm (5) is arranged between the rotating arm (5) and the bottom plate (2).

6. The waterproof structure of an electronic scale according to claim 5, wherein: the fixing structure comprises a second mounting hole (51) arranged on the rotating arm (5) and a screw hole (22) arranged on the bottom plate (2) and used for being matched with the second mounting hole (51) to mount a screw.

7. The waterproof structure of an electronic scale according to claim 6, wherein: when the rotating arm (5) rotates to the position that the second mounting hole (51) is coaxial with the screw hole (22), the protruding part (31) presses the bottom plate (2) to the surface cover (1), and the sealing ring (4) is in a compressed state.

8. The waterproof structure of an electronic scale according to claim 7, wherein: the rotating arm (5) comprises a sleeving end (52) and an extension arm (53) connected to the sleeving end (52), a sleeving hole (521) for the connecting rod (3) to be inserted is formed in the sleeving end (52), and the second mounting hole (51) is formed in one end, far away from the sleeving end (52), of the extension arm (53).

9. The waterproof structure of an electronic scale according to claim 2, wherein: the face cover (1) is provided with a sealing groove (13) for placing the sealing ring (4), and the thickness of the sealing ring (4) is larger than the depth of the sealing groove (13).