CN110793612A

CN110793612A - Weighing sensor with waterproof mechanism

Info

Publication number: CN110793612A
Application number: CN201911118396.9A
Authority: CN
Inventors: 蔺文婷
Original assignee: Xian Zhikai Industrial Automation Engineering Co Ltd
Current assignee: Xian Zhikai Industrial Automation Engineering Co Ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-02-14

Abstract

The invention discloses a weighing sensor with a waterproof mechanism, which comprises a box body, wherein the top part of one side of the box body is hinged with a cover body through a hinge, a sealing rubber ring is fixedly arranged at the bottom end of the cover body, a through hole is formed in the middle part of the top end of the cover body, a transparent plastic plate is fixedly arranged inside the through hole, a sealing rubber strip is fixedly arranged on the inner wall of the box body, a lock catch is rotatably connected to the middle part of one side of the cover body, an upright post is fixedly arranged at the top part of the other side of the box body, and a lock hole is formed in the outer wall of the upright post. The waterproof effect is improved, and the weighing sensor inside the box body is protected.

Description

Weighing sensor with waterproof mechanism

Technical Field

The invention relates to a weighing sensor, in particular to a weighing sensor with a waterproof mechanism.

Background

A load cell is essentially a device that converts a mass signal into a measurable electrical signal output. The sensor is used in consideration of the actual working environment of the sensor, which is important for correctly selecting the weighing sensor, and the sensor is related to whether the sensor can work normally, the safety and the service life of the sensor, and even the reliability and the safety of the whole weighing apparatus. On the basis of basic concepts and evaluation methods of main technical indexes of the weighing sensor, the new national standard and the old national standard have qualitative differences. The device mainly comprises an S-shaped, a cantilever type, a spoke type, a plate ring type, a diaphragm box type, a bridge type, a column cylinder type and the like.

In view of the above, chinese patent No. CN207866316U proposes a waterproof weighing sensor, which can realize IP68 protection capability, and is widely applied to humid environment and liquid, and has strong popularization and application values; the Chinese patent No. CN208313394U provides a waterproof electronic flow scale which can meet the requirements of weighing and blanking of materials, realizes the calibration of a weighing sensor, and has good integral sealing performance and high waterproof and dustproof performance; chinese patent No. CN201203472Y proposes a waterproof mechanism for a load cell. But dampproofing and waterproofing effect is general in the above-mentioned patent to weighing sensor exposes outside mostly, lacks the protection, also can receive external environment's erosion when not using, leads to the inside spare part of weighing sensor to receive the loss easily, reduces weighing sensor's life, increases use cost.

Disclosure of Invention

The present invention is directed to a load cell with a waterproof mechanism to solve the above problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a weighing sensor with waterproofing mechanism, includes the box body, the top of box body one side articulates through the hinge has the lid, the bottom mounting of lid is equipped with the joint strip circle, the through-hole has been seted up at the middle part on lid top, the inside interlude of through-hole is connected with the connecting rod, the fixed weighing plate that is equipped with in top of connecting rod, the fixed joint strip that is equipped with on the inner wall of box body.

Preferably, the middle part of one side of the cover body is rotatably connected with a lock catch, the top of the other side of the box body is fixedly provided with an upright post, the outer wall of the upright post is provided with a lock hole, and the size of the lock hole is matched with that of the lock catch.

Preferably, the middle parts at two ends of the box body are provided with sliding grooves, the sliding grooves are respectively in sliding connection with the protruding blocks at two ends of the bottom plate, and the two sides of the sliding grooves are provided with limiting holes.

Preferably, two ends of each of the two protruding blocks are fixedly provided with a metal elastic sheet, and the tops of the four metal elastic sheets are fixedly provided with clamping blocks.

Preferably, four the middle part of fixture block bottom all is fixed and is equipped with the stopper, four the stopper is connected with the spacing hole block that corresponds respectively.

Preferably, a handle is fixedly arranged on one side of the top end of the bottom plate, a weighing sensor is fixedly mounted on the top end of the bottom plate, and the bottom end of the bottom plate is fixedly connected with the bottom end of the box body through a plurality of spring rods.

Compared with the prior art, the invention has the beneficial effects that:

in the invention, the lock catch, the upright post, the keyhole, the sealing rubber ring and the sealing rubber strip are arranged, after the cover body is closed, the lock catch is rotated to clamp the lock catch into the lock hole to lock the box body and the cover body, the sealing rubber ring and the sealing rubber strip are mutually extruded after the cover body and the box body are locked, can improve the sealing performance of the box body, prevent liquid from flowing into the box body, is beneficial to improving the waterproof effect and protecting the weighing sensor in the box body, the convex block can move upwards in the chute by arranging the chute, the convex block, the metal elastic sheet, the clamping block, the limiting block and the limiting hole, the metal elastic sheet is popped out, the limiting block at the bottom end of the clamping block is clamped into the limiting hole, so that the bottom plate is lifted and fixed, the lifting and the fixing of the bottom plate can be realized, the fixing effect is good, when the weighing sensor is not used, the weighing sensor can be retracted into the box body, and the weighing sensor is protected.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention when the cover is closed;

FIG. 3 is an enlarged view of a portion of FIG. 1;

FIG. 4 is a partial enlarged view of the invention at B in FIG. 3.

In the figure: 1. a box body; 2. a cover body; 3. sealing the rubber ring; 4. a through hole; 5. a base plate; 6. a weighing sensor; 7. a handle; 8. a column; 9. a keyhole; 10. locking; 11. a chute; 12. a metal spring sheet; 13. a clamping block; 14. sealing rubber strips; 15. a protruding block; 16. a limiting hole; 17. a limiting block; 18. a connecting rod; 19. and (4) weighing plates.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

as shown in fig. 1-4, a weighing sensor with a waterproof mechanism comprises a box body 1, a cover body 2 is hinged to the top of one side of the box body 1 through a hinge, a sealing rubber ring 3 is fixedly arranged at the bottom end of the cover body 2, a through hole 4 is formed in the middle of the top end of the cover body 2, a connecting rod 18 is inserted and connected into the through hole 4, a weighing plate 19 is fixedly arranged at the top end of the connecting rod 18, a sealing rubber strip 14 is fixedly arranged on the inner wall of the box body 1, a lock catch 10 is rotatably connected to the middle of one side of the cover body 2, a stand column 8 is fixedly arranged at the top of the other side of the box body 1, a lock hole 9 is formed in the outer wall of the stand column 8, the size of the lock hole 9 is matched with the size of the lock catch 10, after the cover body 2 is closed, the lock catch 10 is rotated to clamp the lock catch 10, can improve the leakproofness of box body 1, prevent the inside of liquid inflow box body 1, be favorable to improving water-proof effects, protect the inside weighing sensor 6 of box body 1.

Example two:

on the basis of the first embodiment, as shown in fig. 1, 3 and 4, the middle parts of the two ends of the box body 1 are respectively provided with a sliding groove 11, the two sliding grooves 11 are respectively connected with the protruding blocks 15 at the two ends of the bottom plate 5 in a sliding manner, the two sides of the two sliding grooves 11 are respectively provided with a limiting hole 16, the two ends of the two protruding blocks 15 are respectively fixedly provided with a metal elastic sheet 12, the tops of the four metal elastic sheets 12 are respectively fixedly provided with a clamping block 13, the middle parts of the bottom ends of the four clamping blocks 13 are respectively fixedly provided with a limiting block 17, the four limiting blocks 17 are respectively connected with the corresponding limiting holes 16 in a clamping manner, the bottom plate 5 can be limited by the matching of the limiting blocks 17 and the limiting holes 16, one side of the top end of the bottom plate 5 is fixedly provided with a handle 7, the bottom plate 5 is pulled upwards through the handle 7, the protruding blocks 15 move upwards, make bottom plate 5 rise and fix, the top fixed mounting of bottom plate 5 has weighing sensor 6, and weighing sensor 6's model is the PE-1 type, and a plurality of spring levers and the bottom fixed connection of box body 1 are passed through to the bottom of bottom plate 5, and the spring lever can provide the buffering when box body 1 drops, protects the inside spare part of box body 1.

It should be noted that, the invention is a weighing sensor with waterproof mechanism, firstly rotate the lock catch 10 to open the cover body 2, then pull the bottom plate 5 upwards through the handle 7, the bulge block 15 moves upwards in the chute 11, the metal shrapnel 12 pops out, the limit block 17 at the bottom end of the fixture block 13 is clamped into the limit hole 16, so that the bottom plate 5 rises and is fixed, then after closing the cover body 2, rotate the lock catch 10, so that the lock catch 10 is clamped into the inside of the keyhole 9, to complete the locking of the box body 1 and the cover body 2, after the cover body 2 and the box body 1 are locked, the sealing rubber ring 3 and the sealing rubber strip 14 are mutually extruded, so as to improve the sealing performance of the box body 1, prevent the liquid from flowing into the inside of the box body 1, then place the material on the weighing plate 19 for weighing operation, after use, open the cover body 2, lift the bottom plate 5 upwards, so that the limit, the metal elastic sheet 12 is pinched again to enable the clamping block 13 to be retracted into the sliding groove 11, then the bottom plate 5 is pushed downwards, and the weighing sensor 6 is retracted into the box body 1.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a weighing sensor with waterproofing mechanism, includes box body (1), its characterized in that: the top of box body (1) one side articulates through the hinge has lid (2), the bottom mounting of lid (2) is equipped with joint strip (3), through-hole (4) have been seted up at the middle part on lid (2) top, the inside interlude of through-hole (4) is connected with connecting rod (18), the fixed weighing plate (19) that are equipped with in top of connecting rod (18), fixed joint strip (14) that are equipped with on the inner wall of box body (1).

2. The load cell with a waterproof mechanism of claim 1, wherein: the middle part of lid (2) one side is rotated and is connected with hasp (10), the fixed stand (8) that are equipped with in top of box body (1) opposite side, keyhole (9) have been seted up on the outer wall of stand (8), the size phase-match of size and hasp (10) of keyhole (9).

3. The load cell with a waterproof mechanism of claim 1, wherein: the middle parts at the two ends of the box body (1) are provided with sliding grooves (11), the sliding grooves (11) are respectively in sliding connection with the protruding blocks (15) at the two ends of the bottom plate (5), and the limiting holes (16) are formed in the two sides of the sliding grooves (11).

4. The load cell with a waterproof mechanism of claim 3, wherein: two ends of the two protruding blocks (15) are fixedly provided with metal elastic sheets (12), and the tops of the four metal elastic sheets (12) are fixedly provided with clamping blocks (13).

5. The load cell with a waterproof mechanism of claim 4, wherein: four the middle part of fixture block (13) bottom all is fixed and is equipped with stopper (17), four stopper (17) are connected with corresponding spacing hole (16) block respectively.

6. The load cell with a waterproof mechanism of claim 3, wherein: the bottom plate is characterized in that a handle (7) is fixedly arranged on one side of the top end of the bottom plate (5), a weighing sensor (6) is fixedly mounted on the top end of the bottom plate (5), and the bottom end of the bottom plate (5) is fixedly connected with the bottom end of the box body (1) through a plurality of spring rods.