Waterproof sealing structure of weighing sensor

Abstract

The utility model discloses a waterproof sealing structure of a weighing sensor, which comprises a sensor body, a mounting hole is arranged in the sensor body, a first waterproof sleeve is sleeved on the lower surface of the sensor body, a second waterproof sleeve is sleeved on the upper surface of the sensor body, and the second waterproof sleeve and the first waterproof sleeve are identical in size. According to the waterproof sealing structure of the weighing sensor, the first waterproof sleeve and the second waterproof sleeve are opened to be separated, then the sensor body is sleeved with the first waterproof sleeve and the second waterproof sleeve, closing is conducted, and finally an inner hexagon bolt penetrates through a groove in the second connecting plate and penetrates out of a through hole so that the inner hexagon bolt can be combined with a screw hole in the first connecting plate. The first waterproof sleeve and the second waterproof sleeve can be connected and fixed with the sensor body after the hexagon socket screws are screwed, and the first waterproof sleeve and the second waterproof sleeve can be opened up and down, so that the first waterproof sleeve and the second waterproof sleeve can be detached from the sensor body more conveniently if needed. And the sensor body does not need to be disassembled.

Description

TECHNICAL FIELD

[0001] The utility model relates to waterproof sealing structure technical field, more specifically, relate to a kind of waterproof sealing structure of weighing sensor. BACKGROUND

[0002] Weighing sensor is actually a kind of quality signal conversion measurable electrical signal output device, using sensor should first consider the actual working environment of sensor, this is crucial to correct selection of weighing device, it is related to the normal work of sensor and its safety and service life, even the reliability and safety of entire weighing apparatus.

[0003] Chinese patent discloses patent No. CN202322169939.8 waterproof sealing structure of weighing sensor, including sensor body, the sensor body both ends are respectively set up mounting hole, on the sensor body between two mounting holes interval fixedly set up two connecting rings, waterproof cover for wrapping in the sensor body is connected between two connecting rings. By two connecting rings and waterproof cover cooperation, to form sensor body local middle section waterproof, to effectively avoid waterproof structure such as sealing ring deformation caused by not waterproof, liquid infiltration occurs in mounting hole position towards inside, but still there is certain problem, the sealing structure of the utility model, that is, waterproof cover and connecting ring, are installed in the outside of sensor body by the way of setting, after sensor body installation ends, if waterproof cover needs to be disassembled, the entire sensor body needs to be disassembled, to increase operation step, reduce the convenience of use, therefore, we provide a kind of waterproof sealing structure of weighing sensor. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of waterproof sealing structure of weighing sensor to solve the problems raised in the above background art:

[0005] The waterproof sealing structure of some weighing sensor of prior art, that is, waterproof cover and connecting ring, are installed in the outside of sensor body by the way of setting, after sensor body installation ends, if waterproof cover needs to be disassembled, the entire sensor body needs to be disassembled, to increase operation step, reduce the convenience of use.

[0006] In order to achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a waterproof sealing structure of load cell, including sensor body, the inside of sensor body is equipped with mounting hole, the lower surface of sensor body is equipped with first waterproof cover, the upper surface of sensor body is equipped with second waterproof cover, the size of second waterproof cover is same with first waterproof cover, be provided with connecting portion between first waterproof cover and second waterproof cover, one side of connecting portion is fixedly connected with first waterproof cover, the other side of connecting portion is fixedly connected with second waterproof cover.

[0008] Preferably, the mounting holes are four in total and symmetrically distributed.

[0009] Preferably, the first waterproof cover is fixedly connected with a first connecting plate on the outside, a second connecting plate is fixedly connected with the second waterproof cover on the outside and above the first connecting plate, a recess is formed in the upper surface of the second connecting plate, a through hole is formed in the lower surface of the second connecting plate, the recess and the through hole are in communication, an internal hexagonal bolt is detachably connected in the through hole, and a screw hole is formed in the first connecting plate, which is used in cooperation with the internal hexagonal bolt.

[0010] Preferably, the first connecting plate is two in total and symmetrically distributed.

[0011] Preferably, the first waterproof cover and the second waterproof cover are both fixedly connected with a first sealing gasket on the inside, and the upper surface of the first waterproof cover and the lower surface of the second waterproof cover are both fixedly connected with a second sealing gasket.

[0012] Preferably, the first sealing gasket is of a U-shaped structure.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The first waterproof cover and the second waterproof cover are opened, separated, and then sleeved on the sensor body and closed, and finally the internal hexagonal bolt is passed through the recess on the second connecting plate and out of the through hole, so as to be combined with the screw hole on the first connecting plate, and the connection and fixation between the first waterproof cover, the second waterproof cover and the sensor body are completed after the internal hexagonal bolt is tightened. Since the first waterproof cover and the second waterproof cover can be opened up and down, it is more convenient to disassemble the first waterproof cover and the second waterproof cover from the sensor body if necessary, without the need to disassemble the sensor body. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic view of the whole utility model;

[0016] Fig. 2 It is a structural schematic view of the connecting portion of the utility model;

[0017] Fig. 3A structure schematic view of the first sealing gasket of the utility model;

[0018] Fig. 4 A structure schematic view of the second connecting plate of the utility model.

[0019] Mark explanation in drawing: 1, sensor body; 2, mounting hole; 3, first waterproof sleeve; 4, second waterproof sleeve; 5, connecting part; 6, first connecting plate; 7, second connecting plate; 8, recess; 9, through hole; 10, inner hexagonal bolt; 11, screw hole; 12, first sealing gasket; 13, second sealing gasket. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0021] Please refer to Figs. 1 to 4 A waterproof sealing structure of load cell, including sensor body 1, the inside of sensor body 1 is provided with mounting hole 2, the lower surface of sensor body 1 is provided with first waterproof sleeve 3, the upper surface of sensor body 1 is provided with second waterproof sleeve 4, second waterproof sleeve 4 is same in size with first waterproof sleeve 3, connecting part 5 is arranged between first waterproof sleeve 3 and second waterproof sleeve 4, one side of connecting part 5 is fixedly connected with first waterproof sleeve 3, the other side of connecting part 5 is fixedly connected with second waterproof sleeve 4, under the action of connecting part 5, first waterproof sleeve 3 and second waterproof sleeve 4 can open and close, so that the installation between first waterproof sleeve 3 and second waterproof sleeve 4 and sensor body 1 is more convenient, and it is also beneficial to the disassembly of first waterproof sleeve 3 and second waterproof sleeve 4.

[0022] Further, the four mounting holes 2 are symmetrically distributed, and the mounting holes 2 are distributed at the four corner positions of the sensor body 1 for mounting and fixing the sensor body 1.

[0023] Further, the first connecting plate 6 is fixedly connected to the outside of the first waterproof sleeve 3, the second connecting plate 7 is fixedly connected to the outside of the second waterproof sleeve 4 above the first connecting plate 6, the recess 8 is formed in the upper surface of the second connecting plate 7, the through hole 9 is formed in the lower surface of the second connecting plate 7, the recess 8 is communicated with the through hole 9, the inner hexagonal bolt 10 is detachably connected in the through hole 9, the screw hole 11 is formed in the inside of the first connecting plate 6, the inner hexagonal bolt 10 can pass through the through hole 9 and be combined with the screw hole 11, and the recess 8 is used for accommodating the head of the inner hexagonal bolt 10.

[0024] Further, the first connecting plate 6 is shared two, two first connecting plate 6 is symmetrically distributed, two groups of first connecting plate 6 and second connecting plate 7 cooperate with hexagonal bolt 10 and screw hole 11, can be connected between the first waterproof sleeve 3 and the second waterproof sleeve 4 and fixed, ensure the fastening between the first waterproof sleeve 3 and the second waterproof sleeve 4 and sensor body 1.

[0025] Further, the inner side of the first waterproof sleeve 3 and the second waterproof sleeve 4 is fixedly connected with the first sealing pad 12, the upper surface of the first waterproof sleeve 3 and the lower surface of the second waterproof sleeve 4 are fixedly connected with the second sealing pad 13, the first sealing pad 12 is used for waterproof sealing between the first waterproof sleeve 3 and the second waterproof sleeve 4.

[0026] Further, the first sealing pad 12 is U-shaped structure, the first sealing pad 12 is provided with two on the inner side of the first waterproof sleeve 3 and the second waterproof sleeve 4, and is symmetrically distributed at both ends of the inner side of the first waterproof sleeve 3 and the second waterproof sleeve 4, for waterproof sealing between the first waterproof sleeve 3 and the second waterproof sleeve 4 and sensor body 1, the U-shaped structure makes the first sealing pad 12 can be more comprehensive on the sensor body 1.

[0027] The use steps of the utility model: the waterproof sealing structure of the weighing sensor is used, the first waterproof sleeve 3 and the second waterproof sleeve 4 are opened, and then are separated, are then sleeved on the sensor body 1, and are closed, at this time, the first sealing pad 12 on the first waterproof sleeve 3 and the second waterproof sleeve 4 is attached to the sensor body 1, the second sealing pad 13 on the first waterproof sleeve 3 is attached to the second sealing pad 13 on the second waterproof sleeve 4, finally the hexagonal bolt 10 is passed through the groove 8 on the second connecting plate 7 and is passed through the through hole 9, is combined with the screw hole 11 on the first connecting plate 6, after the hexagonal bolt 10 is tightened, the connection between the first waterproof sleeve 3 and the second waterproof sleeve 4 and the sensor body 1 is completed, because the first waterproof sleeve 3 and the second waterproof sleeve 4 can be opened up and down, so if the first waterproof sleeve 3 and the second waterproof sleeve 4 are needed to be removed from the sensor body 1, it is also more convenient, and the sensor body 1 does not need to be disassembled.

[0028] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the utility model and do not limit the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A waterproof sealing structure for a weighing sensor, comprising a sensor body (1), wherein the sensor body (1) has an internal mounting hole (2), characterized in that: The lower surface of the sensor body (1) is fitted with a first waterproof sleeve (3), and the upper surface of the sensor body (1) is fitted with a second waterproof sleeve (4). The second waterproof sleeve (4) is the same size as the first waterproof sleeve (3). A connecting part (5) is provided between the first waterproof sleeve (3) and the second waterproof sleeve (4). One side of the connecting part (5) is fixedly connected to the first waterproof sleeve (3), and the other side of the connecting part (5) is fixedly connected to the second waterproof sleeve (4).

2. The waterproof sealing structure of a weighing sensor according to claim 1, characterized in that: There are four mounting holes (2), and the four mounting holes (2) are symmetrically distributed.

3. The waterproof sealing structure of a weighing sensor according to claim 1, characterized in that: The first waterproof sleeve (3) is fixedly connected to the outside of a first connecting plate (6). The second waterproof sleeve (4) is fixedly connected to the outside of a second connecting plate (6) and above the first connecting plate (6). The upper surface of the second connecting plate (7) is provided with a groove (8). The lower surface of the second connecting plate (7) is provided with a through hole (9). The groove (8) communicates with the through hole (9). The inside of the through hole (9) is detachably connected with an internal hex bolt (10). The inside of the first connecting plate (6) is provided with a screw hole (11). The screw hole (11) is used in conjunction with the internal hex bolt (10).

4. The waterproof sealing structure of a weighing sensor according to claim 3, characterized in that: There are two first connecting plates (6), and the two first connecting plates (6) are symmetrically distributed.

5. The waterproof sealing structure of a weighing sensor according to claim 1, characterized in that: The inner sides of the first waterproof sleeve (3) and the second waterproof sleeve (4) are both fixedly connected with a first sealing gasket (12), and the upper surface of the first waterproof sleeve (3) and the lower surface of the second waterproof sleeve (4) are both fixedly connected with a second sealing gasket (13).

6. The waterproof sealing structure of a weighing sensor according to claim 5, characterized in that: The first sealing gasket (12) has a U-shaped structure.

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