CN213874622U

CN213874622U - Explosion-proof weighing sensor structure

Info

Publication number: CN213874622U
Application number: CN202120119955.4U
Authority: CN
Inventors: 曾焕运; 林万枝; 王坚锋
Original assignee: Fujian Huizhou Information Technology Co ltd
Current assignee: Fujian Huizhou Information Technology Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-08-03
Anticipated expiration: 2031-01-18

Abstract

The utility model discloses an explosion-proof weighing sensor structure, including flange plate, flange plate's last fixed surface is connected with the protective housing, the spout has all been seted up to the both sides inner wall of protective housing, the surface sliding of spout is connected with the backup pad, the lower fixed surface of backup pad is connected with the shock attenuation frame, the interior roof fixedly connected with damping spring of shock attenuation frame, damping spring's bottom fixedly connected with link block, link block's lower fixed surface is connected with the connecting rod, the bottom fixedly connected with bottom plate of connecting rod, the last fixed surface of backup pad is connected with the sensor body, the response end fixedly connected with slide bar of sensor body, the slide bar upwards runs through protective housing and its upper end fixedly connected with weighing plate. The utility model discloses in, when overweight object was put on weighing plate in the twinkling of an eye, through damping spring's shock attenuation cushioning effect, can effectually avoid the damage of sensor body.

Description

Explosion-proof weighing sensor structure

Technical Field

The utility model relates to a weighing sensor field especially relates to an explosion-proof weighing sensor structure.

Background

A force sensor for use on a load cell scale. The principle of resistance strain type weighing sensor can convert the gravity acting on the measured object into a quantifiable output signal according to a certain proportion. The influence of the gravity acceleration and the air buoyancy of different use places on the conversion, and the performance indexes of the weighing sensor mainly comprise linear error, lag error, repeatability error, creep, zero temperature characteristic, sensitivity temperature characteristic and the like. The weighing sensor is classified into 8 types, such as photoelectric type, hydraulic type, electromagnetic type, capacitive type, magnetic pole deformation type, vibration type, gyroscope type, and resistance strain type, according to a conversion method, and is most widely used in the resistance strain type.

When using weighing sensor, when overweight object was put on weighing plate in an instant, probably caused the damage of sensor, and long-time use, the dust can get into inside it, influences its measuring accuracy, reduces its life, so need an explosion-proof weighing sensor structure that can solve above problem now.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an explosion-proof weighing sensor structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an explosion-proof weighing sensor structure comprises a connecting flange plate, wherein the upper surface of the connecting flange plate is fixedly connected with a protective shell, the inner walls of two sides of the protective shell are respectively provided with a sliding groove, the surface of the sliding groove is connected with a supporting plate in a sliding manner, the lower surface of the supporting plate is fixedly connected with a damping frame, the inner top wall of the damping frame is fixedly connected with a damping spring, the bottom end of the damping spring is fixedly connected with a connecting slide block, the lower surface of the connecting slide block is fixedly connected with a connecting rod, the connecting rod downwards penetrates through the damping frame, and the bottom end of;

the upper surface of backup pad is fixed with the sensor body, the response end fixedly connected with slide bar of sensor body, the slide bar upwards runs through protective housing and its upper end fixedly connected with weighing plate, the slide bar runs through protective housing department and is provided with the sealing washer, the inner wall fixedly connected with sliding sleeve of sealing washer, the inner wall and the slide bar sliding connection of sliding sleeve.

As a further description of the above technical solution:

the shock attenuation frame is provided with two sets.

As a further description of the above technical solution:

the connecting sliding block is connected with the inner wall of the shock absorption frame in a sliding mode.

As a further description of the above technical solution:

the lower surface of the bottom plate is fixedly connected with the inner bottom wall of the protective shell.

As a further description of the above technical solution:

the upper surface of the weighing plate is provided with a weighing groove.

As a further description of the above technical solution:

the upper surface of the connecting flange plate is provided with four fixing bolts which are evenly distributed.

As a further description of the above technical solution:

the lateral wall of protective housing is provided with external electric wire.

As a further description of the above technical solution:

the sealing ring is made of rubber.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this explosion-proof weighing sensor structure is provided with shock attenuation frame and damping spring, when overweight object was put on weighing plate in the twinkling of an eye, through damping spring's shock attenuation cushioning effect, can effectually avoid the damage of sensor body, treats its stable back, can accomplish the weighing effect.

2. Compared with the prior art, this explosion-proof weighing sensor structure through being provided with sealing washer and sliding sleeve, can play sealed effect, prevents that external dust from getting into, and effectual improvement measurement accuracy prolongs its life.

3. Compared with the prior art, this explosion-proof weighing sensor structure is provided with fixing bolt, carries out fixed connection with flange plate and external piece through fixing bolt, improves its stability, can effectual its measuring accuracy that improves.

4. Compared with the prior art, this explosion-proof weighing sensor structure, through having seted up the weighing groove at the upper surface of weighing plate, conveniently places the object of treating weighing.

Drawings

Fig. 1 is a subjective perspective view of an explosion-proof weighing sensor structure provided by the present invention;

fig. 2 is a schematic view of an internal structure of an explosion-proof weighing sensor structure provided by the present invention;

fig. 3 is an enlarged schematic view of a structure at a point a in fig. 2 of the structure of the explosion-proof weighing sensor according to the present invention;

fig. 4 is an enlarged schematic view of a structure at B in fig. 2 of an explosion-proof weighing sensor structure provided by the present invention.

Illustration of the drawings:

1. connecting a flange plate; 2. a protective shell; 3. a chute; 4. a support plate; 5. a shock-absorbing frame; 6. a damping spring; 7. connecting the sliding block; 8. a connecting rod; 9. a base plate; 10. a sensor body; 11. a slide bar; 12. a weighing plate; 13. weighing the groove; 14. a seal ring; 15. a sliding sleeve; 16. fixing the bolt; 17. and connecting an electric wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: an explosion-proof weighing sensor structure comprises a connecting flange plate 1, wherein fixing bolts 16 are arranged on the upper surface of the connecting flange plate 1, the number of the fixing bolts 16 is four, the fixing bolts 16 are uniformly distributed, the connecting flange plate 1 is fixedly connected with an external part through the fixing bolts 16, the stability of the connecting flange plate is improved, the measuring precision of the connecting flange plate can be effectively improved, a protective shell 2 is fixedly connected to the upper surface of the connecting flange plate 1, sliding grooves 3 are respectively formed in the inner walls of the two sides of the protective shell 2, a supporting plate 4 is slidably connected to the surface of each sliding groove 3, a shock absorption frame 5 is fixedly connected to the lower surface of each supporting plate 4, two groups of shock absorption frames 5 are arranged, shock absorption springs 6 are fixedly connected to the inner top wall of each shock absorption frame 5, a connecting slide block 7 is fixedly connected to the bottom end of each shock absorption spring 6, the connecting slide block 7 is slidably connected to the inner wall of each shock absorption frame 5, and a connecting rod 8 is fixedly connected to the lower surface of each connecting slide block 7, the connecting rod 8 penetrates through the shock absorption frame 5 downwards, the bottom end of the connecting rod is fixedly connected with the bottom plate 9, the lower surface of the bottom plate 9 is fixedly connected with the inner bottom wall of the protective shell 2, and the sensor body 10 can be effectively prevented from being damaged through the shock absorption and buffering effects of the shock absorption spring 6;

the upper surface fixedly connected with sensor body 10 of backup pad 4, the response end fixedly connected with slide bar 11 of sensor body 10, slide bar 11 upwards runs through protective housing 2 and its upper end fixedly connected with weighing plate 12, weighing groove 13 has been seted up to weighing plate 12's upper surface, slide bar 11 runs through protective housing 2 department and is provided with sealing washer 14, the material of sealing washer 14 is rubber, can play sealed effect, prevent that external dust from getting into, effectual improvement measurement accuracy, prolong its life, the inner wall fixedly connected with sliding sleeve 15 of sealing washer 14, the inner wall and the slide bar 11 sliding connection of sliding sleeve 15, the lateral wall of protective housing 2 is provided with external electric wire 17, be used for connecting external power supply, play the effect of power supply.

The working principle is as follows: this explosion-proof weighing sensor structure, earlier carry out fixed connection with flange plate 1 and external piece through fixing bolt 16, in order to improve its stability, can its measurement accuracy of effectual improvement, will wait to weigh the object and put on weighing tank 13, weigh, when overweight object puts on weighing tank 13 in the twinkling of an eye, shock attenuation cushioning effect through damping spring 6, can effectually avoid the damage of sensor body 10, treat its stable back, can accomplish the effect of weighing, wherein, through being provided with sealing washer 14 that rubber made, can play sealed effect, prevent that external dust from getting into, effectual improvement measurement accuracy, prolong its life.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an explosion-proof weighing sensor structure, includes flange plate (1), its characterized in that: the upper surface of the connecting flange plate (1) is fixedly connected with a protective shell (2), the inner walls of two sides of the protective shell (2) are respectively provided with a sliding groove (3), the surface of the sliding groove (3) is connected with a supporting plate (4) in a sliding manner, the lower surface of the supporting plate (4) is fixedly connected with a damping frame (5), the inner top wall of the damping frame (5) is fixedly connected with a damping spring (6), the bottom end of the damping spring (6) is fixedly connected with a connecting slide block (7), the lower surface of the connecting slide block (7) is fixedly connected with a connecting rod (8), the connecting rod (8) downwards penetrates through the damping frame (5) and the bottom end of the connecting rod is fixedly connected with a bottom plate (9);

the upper surface fixedly connected with sensor body (10) of backup pad (4), the response end fixedly connected with slide bar (11) of sensor body (10), slide bar (11) upwards run through protective housing (2) and its upper end fixedly connected with weighing plate (12), slide bar (11) run through protective housing (2) department and are provided with sealing washer (14), the inner wall fixedly connected with sliding sleeve (15) of sealing washer (14), the inner wall and slide bar (11) sliding connection of sliding sleeve (15).

2. An explosion-proof load cell structure as defined in claim 1, wherein: the shock absorption frames (5) are provided with two groups.

3. An explosion-proof load cell structure as defined in claim 1, wherein: the connecting sliding block (7) is connected with the inner wall of the damping frame (5) in a sliding mode.

4. An explosion-proof load cell structure as defined in claim 1, wherein: the lower surface of the bottom plate (9) is fixedly connected with the inner bottom wall of the protective shell (2).

5. An explosion-proof load cell structure as defined in claim 1, wherein: the upper surface of the weighing plate (12) is provided with a weighing groove (13).

6. An explosion-proof load cell structure as defined in claim 1, wherein: the upper surface of the connecting flange plate (1) is provided with four fixing bolts (16), and the number of the fixing bolts (16) is four and is uniformly distributed.

7. An explosion-proof load cell structure as defined in claim 1, wherein: the side wall of the protective shell (2) is provided with an external electric wire (17).

8. An explosion-proof load cell structure as defined in claim 1, wherein: the sealing ring (14) is made of rubber.