CN213748700U

CN213748700U - High-precision low-cost buffering mechanism weight measuring sensor for Internet of things remote measurement

Info

Publication number: CN213748700U
Application number: CN202022725874.7U
Authority: CN
Inventors: 华可宁
Original assignee: Dalian Walker Technology Co ltd
Current assignee: Dalian Walker Technology Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-07-20
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a buffer gear weight-measuring sensor of high accuracy low-cost thing allies oneself with telemetering measurement, including last casing and the lower casing of installing in last casing bottom through the screw, it has the fixed slot to open on the bottom inner wall of last casing, and the inside joint of fixed slot has the sensor body, it has push pedal and push rod to peg graft in the inside of going up the casing, and the push pedal is located between the bottom outer wall of push rod and the top outer wall of sensor body, it has the jack to open on the bottom outer wall of push rod, and the inside of jack is pegged graft and is had the second spring, integrated into one piece has the inserted bar on the top outer wall of push pedal, and the outside of inserted bar has cup jointed first spring, first spring is located between the top outer wall of push pedal and the bottom outer wall of push rod. The utility model discloses a multiunit structure direction for the sensor keeps the collineation with the direction of force, thereby improves the measurement accuracy of sensor, owing to guarantee the precision through single sensor body mechanical structure, can reduce the cost of device effectively.

Description

High-precision low-cost buffering mechanism weight measuring sensor for Internet of things remote measurement

Technical Field

The utility model relates to a sensor technical field especially relates to a buffer gear weight-measuring sensor of high accuracy low-cost thing allies oneself with telemetering measurement.

Background

The weight sensor is a device for converting a mass signal into a measurable electric signal and outputting the signal, the actual working environment of the sensor is considered by the sensor, which is important for correctly selecting the weight sensor, and the weight sensor is related to whether the sensor can normally work, the safety and the service life of the sensor, and even the reliability and the safety of the whole weighing apparatus.

The precision of the existing weight measuring sensor is generally ensured by adding a plurality of sensor bodies and averaging the readings of the plurality of sensor bodies, and the cost of the weight measuring sensor is greatly improved by the method. Therefore, it is desirable to design a buffer weight measuring sensor with high accuracy and low cost for internet of things telemetry to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the precision that exists among the prior art and guarantee the check weighing sensor through using a plurality of sensor bodies for the shortcoming that the cost of check weighing sensor improves greatly, and the buffer gear check weighing sensor of the low-cost thing of a high accuracy allies oneself with the telemetering measurement that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high accuracy low-cost buffer gear weight-measuring sensor of thing antithetical couplet telemetering measurement, includes the casing and installs the lower casing in last casing bottom through the screw, it has the fixed slot to open on the bottom inner wall of casing to go up, and the inside joint of fixed slot has the sensor body, the inside of going up the casing is pegged graft and is had push pedal and push rod, and the push pedal is located between the bottom outer wall of push rod and the top outer wall of sensor body, it has the jack to open on the bottom outer wall of push rod, and the inside grafting of jack has the second spring, integrated into one piece has the inserted bar on the top outer wall of push pedal, and the outside of inserted bar has cup jointed first spring, first spring is located between the top outer wall of push pedal and the bottom outer wall of push rod, the one end of inserted bar is pegged graft in the inside of jack, and the second spring is located between the top outer wall of push rod and the top inner wall of jack.

Furthermore, a clamping groove is formed in the outer wall of the side face of the pushing plate, and a sealing ring is clamped inside the clamping groove.

Furthermore, it has the square hole to open on the top outer wall of casing down, and the inside in square hole is pegged graft and is had the square bar, the bottom integrated into one piece of square bar has the dabber, and the outside of dabber rotates and is connected with a winding section of thick bamboo, a winding section of thick bamboo rotates and connects the inside of casing under.

Furthermore, the inside joint of a winding section of thick bamboo has torsion spring, and torsion spring keeps away from the one end welding of a winding section of thick bamboo on the side outer wall of dabber.

Further, the top of a winding section of thick bamboo and the equal integrated into one piece in bottom of square pole have the connection pad, one of them equal joint has two contacts on the top outer wall of connection pad and on the bottom outer wall of another connection pad, and two relative contacts contact each other.

Furthermore, it has the through wires hole to open on one side outer wall of casing down, and pegs graft in the inside in through wires hole and have the data line, the one end electric connection of data line is on two contacts on a winding section of thick bamboo top, and two contacts of square bar bottom all lead to the wire and are electric connection with the sensor body.

Furthermore, a fixing plate is integrally formed on the outer walls of the side surfaces of the upper shell and the lower shell, and fixing holes distributed at equal intervals are formed in the outer wall of the top of the fixing plate.

The utility model has the advantages that:

1. through push rod, push rod and the inserted bar that sets up, through the direction of multiunit structure for the sensor keeps the collineation with the direction of force, thereby improves the measurement accuracy of sensor, owing to guarantee the precision through single sensor body mechanical structure, can reduce the cost of device effectively.

2. Through the first spring and the second spring that set up, the elastic coefficient of first spring and second spring is different, can be the segmentation provide the buffering for the sensor body to avoid making the sensor body damage because of the change of power is too fast, and then improve device's life.

3. Through the winding bobbin that sets up, the winding bobbin can be around longer data line in the outside for the data line is accomodate in the inside of casing down, in order to prevent that the data line from scattering the winding outside, receives the collision back and damages.

Drawings

Fig. 1 is a schematic structural view of a high-precision low-cost buffering mechanism weight-measuring sensor for internet of things telemetry provided by the utility model;

fig. 2 is a sectional view of an upper shell structure of a buffer mechanism weight-measuring sensor for high-precision low-cost internet-of-things remote measurement provided by the utility model;

fig. 3 is an explosion diagram of the lower casing structure of the buffering mechanism weight-measuring sensor of the high-precision low-cost internet-of-things remote measurement provided by the utility model;

fig. 4 is the utility model provides a buffer gear weight-measuring sensor's of high accuracy low-cost thing allies oneself with telemetering measurement a structure local enlarged schematic diagram.

In the figure: the sensor comprises an upper shell 1, a fixing plate 2, a fixing hole 3, a contact plate 4, a lower shell 5, a threading hole 6, a data line 7, a fixing groove 8, a sensor body 9, a sealing ring 10, a push plate 11, a first spring 12, a push rod 13, a square hole 14, a jack 15, a second spring 16, an insertion rod 17, a square rod 18, a mandrel 19, a winding drum 20, a connecting disc 21, a contact piece 22, a torsion spring 23 and a clamping groove 24.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, a high-precision low-cost weight-measuring sensor with a buffering mechanism for telemetry of internet of things comprises an upper shell 1 and a lower shell 5 mounted at the bottom end of the upper shell 1 through screws, wherein a fixing groove 8 is formed on the inner wall of the bottom of the upper shell 1, a sensor body 9 is clamped inside the fixing groove 8, a push plate 11 and a push rod 13 are inserted into the upper shell 1, the push plate 11 is located between the outer wall of the bottom of the push rod 13 and the outer wall of the top of the sensor body 9, an insertion hole 15 is formed on the outer wall of the bottom of the push rod 13, the insertion hole 15 and the insertion rod 17 are used for guiding, a second spring 16 is inserted into the insertion hole 15, an insertion rod 17 is integrally formed on the outer wall of the top of the push plate 11, a first spring 12 is sleeved outside the insertion rod 17, the second spring 16 and the first spring 12 both play a buffering role, the first spring 12 is located between the outer wall of the top of the push plate 11 and the outer wall of the bottom of the push rod 13, one end of the insertion rod 17 is inserted into the insertion hole 15, and the second spring 16 is located between the top outer wall of the push rod 13 and the top inner wall of the insertion hole 15.

Furthermore, a clamping groove 24 is formed in the outer wall of the side face of the push plate 11, a sealing ring 10 is clamped inside the clamping groove 24, and the sealing ring 10 is used for preventing water vapor from contacting with the sensor body 9.

Further, it has square hole 14 to open on the top outer wall of casing 5 down, and square hole 14 can prevent that square bar 18 from rotating, and the inside of square hole 14 is pegged graft and is had square bar 18, and there is dabber 19 bottom integrated into one piece of square bar 18, and the outside of dabber 19 rotates and is connected with a winding section of thick bamboo 20, and a winding section of thick bamboo 20 is used for the rolling data line, and a winding section of thick bamboo 20 rotates and connects the inside at casing 5 down.

Furthermore, a torsion spring 23 is clamped inside the winding cylinder 20, the torsion spring 23 is used for automatically winding the data wire, and one end, far away from the winding cylinder 20, of the torsion spring 23 is welded on the outer wall of the side face of the mandrel 19.

Further, the top of a winding cylinder 20 and the bottom of square pole 18 all integrated into one piece have a connection pad 21, on the top outer wall of one of them connection pad 21 and on the bottom outer wall of another connection pad 21 all the joint have two contact pieces 22, and contact piece 22 is used for connecting circuit, and two relative contact pieces 22 contact each other.

Further, it has through wires hole 6 to open on the outer wall of one side of lower casing 5, and the inside grafting of through wires hole 6 has data line 7, and data line 7 is used for being connected with external device, and the one end electric connection of data line 7 is on two contact 22 on a winding section of thick bamboo 20 top, and two contact 22 of square pole 18 bottom all lead to the wire and are electric connection with sensor body 9.

Further, the outer walls of the side surfaces of the upper shell 1 and the lower shell 5 are integrally formed with fixing plates 2, fixing holes 3 distributed equidistantly are formed in the outer walls of the tops of the fixing plates 2, and the fixing plates 2 and the fixing holes 3 are used for installing and fixing devices.

The working principle is as follows: when the device is used, an operator firstly fixedly installs the device at a proper position through the fixing plate 2 and the fixing hole 3, when the contact plate 4 moves downwards under the stress, the contact plate drives the push rod 13 to move downwards, the push rod 13 firstly drives the first spring 12 to compress, the second spring 12 drives the push plate 11 to move downwards, and then the sensor body 9 is extruded, so that the sensor body 9 measures data, when the pressure is higher, the push rod 13 is in contact with the second spring 16, so that the change of the stress is slower, and the sensor body 9 is protected; when the operator needs to extend the data line 7, the operator pulls the data line 7, and the data line 7 drives the winding drum 20 to rotate, so that the torsion spring 23 deforms, and the contact piece 22 above and the contact piece below are always in contact for transmitting data.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A high-precision low-cost weight measuring sensor of a buffering mechanism for remote measurement of an Internet of things comprises an upper shell (1) and a lower shell (5) mounted at the bottom end of the upper shell (1) through screws, and is characterized in that a fixing groove (8) is formed in the inner wall of the bottom of the upper shell (1), a sensor body (9) is clamped in the fixing groove (8), a push plate (11) and a push rod (13) are inserted into the upper shell (1), the push plate (11) is located between the outer wall of the bottom of the push rod (13) and the outer wall of the top of the sensor body (9), a jack (15) is formed in the outer wall of the bottom of the push rod (13), a second spring (16) is inserted into the jack (15), an insert rod (17) is integrally formed on the outer wall of the top of the push plate (11), a first spring (12) is sleeved outside the insert rod (17), and the first spring (12) is located between the outer wall of the top of the push plate (11) and the outer wall of the bottom of the push rod (13), one end of the inserting rod (17) is inserted in the inserting hole (15), and the second spring (16) is located between the outer wall of the top of the push rod (13) and the inner wall of the top of the inserting hole (15).

2. The high-precision low-cost buffering mechanism weight measuring sensor for the Internet of things telemetry as claimed in claim 1, wherein a clamping groove (24) is formed in the outer wall of the side face of the push plate (11), and a sealing ring (10) is clamped inside the clamping groove (24).

3. The high-precision low-cost buffering mechanism weight measuring sensor for the Internet of things telemetry as claimed in claim 1, wherein a square hole (14) is formed in the outer wall of the top of the lower shell (5), a square rod (18) is inserted into the square hole (14), a mandrel (19) is integrally formed at the bottom end of the square rod (18), a winding drum (20) is rotatably connected to the outside of the mandrel (19), and the winding drum (20) is rotatably connected to the inside of the lower shell (5).

4. The buffer mechanism weight measuring sensor for high-precision low-cost Internet of things telemetry as claimed in claim 3, wherein a torsion spring (23) is clamped inside the wire winding cylinder (20), and one end of the torsion spring (23) far away from the wire winding cylinder (20) is welded on the side outer wall of the mandrel (19).

5. The high-precision low-cost buffer mechanism weight measuring sensor for the instrumented telemetry of the internet of things as claimed in claim 3, wherein connecting discs (21) are integrally formed at the top end of the winding drum (20) and the bottom end of the square rod (18), two contact pieces (22) are clamped on the outer wall of the top of one connecting disc (21) and the outer wall of the bottom of the other connecting disc (21), and the two opposite contact pieces (22) are in contact with each other.

6. The high-precision low-cost weight measuring sensor with the buffering mechanism for the instrumented remote measurement is characterized in that a threading hole (6) is formed in the outer wall of one side of the lower shell (5), a data line (7) is inserted into the threading hole (6), one end of the data line (7) is electrically connected to two contact pieces (22) at the top end of the winding cylinder (20), and the two contact pieces (22) at the bottom end of the square rod (18) are electrically connected with the sensor body (9) through conducting wires.

7. The high-precision low-cost buffer mechanism weight measuring sensor for the Internet of things telemetry as claimed in claim 1, wherein the fixing plates (2) are integrally formed on the outer walls of the side surfaces of the upper shell (1) and the lower shell (5), and the fixing holes (3) are formed in the outer walls of the tops of the fixing plates (2) and are distributed at equal intervals.