CN2235115Y - Shear beam type weighing sensor with inserted side cover board - Google Patents
Shear beam type weighing sensor with inserted side cover board Download PDFInfo
- Publication number
- CN2235115Y CN2235115Y CN 95244573 CN95244573U CN2235115Y CN 2235115 Y CN2235115 Y CN 2235115Y CN 95244573 CN95244573 CN 95244573 CN 95244573 U CN95244573 U CN 95244573U CN 2235115 Y CN2235115 Y CN 2235115Y
- Authority
- CN
- China
- Prior art keywords
- side cover
- cover board
- blind holes
- sides
- beam type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a shear beam type weighing sensor with an inserted side cover board, comprising an elastomer, a side cover board and an auxiliary circuit. Both sides of the elastomer are provided with blind holes symmetrically distributed, and a web board is formed between the two blind holes. The auxiliary circuit is mainly composed of a printed circuit board, a resistor, a resistance strain gauge, a nickel foil sheet, a copper foil sheet and a conducting wire. The utility model is characterized in that the hole mouths of the blind holes at both sides of the elastomer form step mouths by expanding, and the side cover board is sealed in the step mouths. The utility model can be used on the side cover board for sealing the blind holes at both sides of the elastomer, and the side cover board is not easy to be collided off, the sealing effect is good, the quality of the sensor can be guaranteed, and the external appearance is beautiful.
Description
The utility model relates to a kind of sensor, particularly shears the improvement of beam type load cell structure.
The present shearing beam type LOAD CELLS of generally using, as shown in Figure 1, have elastic body 8, side cover plate 1 and auxiliary circuit, elastomeric both sides are provided with the blind hole 4 of symmetrical distribution, 4 of two blind holes form a web 6, and constitute auxiliary circuit by printed circuit board (PCB) 9, resistance 3, resistance strain gage 10, nickel foil sheet 17, copper foil 2 and lead 7 etc.Owing to be used for the side cover plate 1 of the blind hole of 8 two of sealing elastomers, utilize encapsulants such as silicon rubber to be fixed on two blind holes, 4 outsides, form two boss in two blind holes, 4 outsides of elastic body 8 like this, make in transportation, install and use in the process, the side cover plate 1 that is used to seal two blind holes 4 on the elastic body 8 is fallen by collision easily because of protrusion, influence sealing property, cause the long-time stability of sensor to reduce, influence quality; And because the protrusion of two side cover plates 1, profile is not attractive in appearance, poor visual effect.
The purpose of this utility model is to provide the shearing beam type LOAD CELLS of the side cover plate setting-in of a kind of good sealing effect, good looking appearance.
The technical solution of the utility model is: the shearing beam type LOAD CELLS that comprises elastic body, side cover plate and auxiliary circuit, elastomeric both sides are provided with the blind hole of symmetrical distribution, form a web between two blind holes, auxiliary circuit mainly is made of printed circuit board (PCB), resistance, resistance strain gage, nickel foil sheet, copper foil and lead, the blind hole aperture of elastic body both sides forms stepped hole through reaming, and side cover plate is encapsulated in the stepped hole.
Technique effect of the present utility model is: 1. good sealing effect.Because in the utility model, the side cover plate that is used for the blind hole of sealing elastomer, not to be encapsulated in the two blind holes outside, but the mode that adopts setting-in is encapsulated in the blind hole aperture of elastic body both sides in the stepped hole that reaming forms, like this, just can not form two boss in the elastomeric two blind holes outside, thereby make in transportation, install and use in the process, the side cover plate that is used to seal two blind holes on the elastic body is difficult for being fallen by collision, make sealing effectiveness fine, finally make the precision of sensor, quality be guaranteed.2. good looking appearance.As previously mentioned, owing to be used for the side cover plate of the blind hole of sealing elastomer both sides, be to be encapsulated in the blind hole aperture of elastic body both sides in the stepped hole that reaming forms, like this, just can not form two boss, the good visual effect of giving the people, good looking appearance in the elastomeric two blind holes outside.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is a shearing beam type load cell structure synoptic diagram commonly used at present.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 is elastic body blind hole aperture forms stepped hole after reaming a synoptic diagram.
As Fig. 2, side cover plate setting-in shown in 3 is sheared the beam type LOAD CELLS, comprise and play bamboo body (2), side cover plate (1) and auxiliary circuit, the both sides of elastic body (2) are provided with the blind hole (8) to distributing, form a web (12) between two blind holes (8), liner (13) is bonded on the web (12), auxiliary circuit is by printed circuit board (PCB) (11), resistance (10), resistance strain gage (9), nickel foil sheet (7), copper foil (14) and lead (4) constitute, lead (4) passes terminal (3) and is connected with circuit board (17), blind hole (8) aperture of elastic body (2) forms stepped hole (15) through reaming, and side cover plate (1) adopts the mode of setting-in to be encapsulated in the stepped hole (15).
Claims (1)
1, a kind of shearing beam type LOAD CELLS, comprise elastic body (2), side cover plate (1) and auxiliary circuit, the both sides of elastic body (2) are provided with the blind hole (8) of symmetrical distribution, form a web (12) between two blind holes (8), auxiliary circuit mainly is made of printed circuit board (PCB) (11), resistance (10), resistance strain gage (9), nickel foil sheet (7), copper foil (14) and lead (4), it is characterized in that: blind hole (8) aperture of elastic body (2) forms stepped hole (15) through reaming, and side cover plate (1) is encapsulated in the stepped hole (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95244573 CN2235115Y (en) | 1995-08-21 | 1995-08-21 | Shear beam type weighing sensor with inserted side cover board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95244573 CN2235115Y (en) | 1995-08-21 | 1995-08-21 | Shear beam type weighing sensor with inserted side cover board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2235115Y true CN2235115Y (en) | 1996-09-11 |
Family
ID=33884932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95244573 Expired - Lifetime CN2235115Y (en) | 1995-08-21 | 1995-08-21 | Shear beam type weighing sensor with inserted side cover board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2235115Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302263C (en) * | 2001-12-07 | 2007-02-28 | 尼尔斯·艾吉·朱尔·艾勒森 | Sealed load cell |
| CN103196526A (en) * | 2013-03-13 | 2013-07-10 | 浙江省计量科学研究院 | Dynamometry weighing sensor with unbalance loading isolating function and isolating measuring method thereof |
-
1995
- 1995-08-21 CN CN 95244573 patent/CN2235115Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302263C (en) * | 2001-12-07 | 2007-02-28 | 尼尔斯·艾吉·朱尔·艾勒森 | Sealed load cell |
| CN103196526A (en) * | 2013-03-13 | 2013-07-10 | 浙江省计量科学研究院 | Dynamometry weighing sensor with unbalance loading isolating function and isolating measuring method thereof |
| CN103196526B (en) * | 2013-03-13 | 2015-04-08 | 浙江省计量科学研究院 | Dynamometry weighing sensor with unbalance loading isolating function and isolating measuring method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: METTLER-TOLEDO (CHANGZHOU) SCALE & SYSTEM LTD. Free format text: FORMER NAME OR ADDRESS: TUOLIDO ELECTRONIC WEIGHING-APPARATUS CO., LTD., CHANGZHOU |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Mettler-Toledo (Changzhou) Weighing Equipment System Co., Ltd. Patentee before: Changzhou Tuoliduo Electronic Weighing Apparatus Co. Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |