CN2263338Y - Transmission mechanism of draw type senson - Google Patents
Transmission mechanism of draw type senson Download PDFInfo
- Publication number
- CN2263338Y CN2263338Y CN 96229041 CN96229041U CN2263338Y CN 2263338 Y CN2263338 Y CN 2263338Y CN 96229041 CN96229041 CN 96229041 CN 96229041 U CN96229041 U CN 96229041U CN 2263338 Y CN2263338 Y CN 2263338Y
- Authority
- CN
- China
- Prior art keywords
- earhole
- transmission mechanism
- type sensor
- pull
- connecting link
- 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 discloses a transmission mechanism of a draw type sensor, comprising a draw type sensor with an eye hole seat, two connecting rod with slots, and a positioning rod. Ear holes are arranged in the eye socket, and are respectively inserted into the slots of the connecting rods. Joint bearings are arranged in the eye holes, the inner rings of the joint bearings are penetrated through by the positioning rod and are connected with the connecting rods. An interstice is arranged between the ear hole holder and the slots of the connecting rods, and is convenient for the corresponding rotation between the ear hole holder and the slots of the connecting rods. A loading action line is coincident to a shaft line of the sensor. Thus, the weighing accuracy is ensured, and the structure is compact.
Description
The utility model relates to a kind of electronic weighing device, the force transmission mechanism of especially relevant sensor.
In existing electronic weighing device, pull-type sensor and force transmission mechanism thereof are used widely owing to having the higher characteristics of weighing precision.But also there are some shortcomings in it, for example, there is the larger-size shortcoming of short transverse in force transmission mechanism with pull-type sensor of threaded hole, the force transmission mechanism of the pull-type sensor of general band earhole seat, though the short transverse size reduces to some extent, fall because therefore the caused stressed error of loading line offset sensor axis can not keep constant weighing precision but can only on certain direction, compensate.
The purpose of this utility model is to provide a kind of can keep high weighing precision, and the force transmission mechanism of the pull-type sensor of compact dimensions.
In order to achieve the above object, the force transmission mechanism of pull-type sensor of the present utility model comprises the pull-type sensor of band earhole seat, the connecting link and the backstay of two troughs of belt, in the earhole seat earhole is arranged, the earhole seat is inserted in respectively in the groove of connecting link, oscillating bearing is housed in the earhole, backstay passes the inner ring of oscillating bearing and is connected with connecting link, leaves the gap between the groove of earhole seat and connecting link.
For leaving a fixed gap between the groove that makes earhole seat and connecting link, so that relatively rotate between the two, so that achieve the above object better, the inner race width of oscillating bearing is greater than the outer ring width.
After adopting such structure, owing in pull-type sensor earhole, oscillating bearing is housed, leave the gap between the earhole seat of pull-type sensor and the groove of connecting link, when the load active line departs from sensor axis in any direction on the connecting link, can produce relative rotation between the inside and outside circle of oscillating bearing, the groove that is the relative connecting link of earhole seat of sensor rotates, till sensor axis and loading line coincide, so just guaranteed weighing precision at any time, simultaneously, the used part of this version is few, and structure is very compact.
Superiority of the present utility model is: the loading line does not depart from sensor axis, weighing precision height, compact conformation.
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is the structural representation of the force transmission mechanism of pull-type sensor of the present utility model.
As shown in Figure 1, the force transmission mechanism of pull-type sensor comprises the pull-type sensor (3) of two ends band earhole seats (31), the connecting link (1) of two troughs of belt (11), and backstay (2), earhole (311) is arranged in the earhole seat, earhole seat (31) is inserted in respectively in the groove (11) of connecting link (1), the shape of groove (11) is an opening shape, also can be airtight opening shape.Oscillating bearing (6) is housed in the earhole (311), and oscillating bearing has inner ring (5) and outer ring (4), and the width of inner ring (5) is greater than the width of outer ring (4), and outer ring (4) cooperate with earhole (311), and inner ring (5) cooperates with backstay (2) stage casing.Groove (11) both sides of connecting link (1) have pilot hole (12), and the two ends of backstay (2) cooperate with pilot hole (12) respectively, and pull-type sensor (3) and connecting link (1) are fused.Leave the gap between the earhole seat (31) of pull-type sensor (3) and the groove (11) of connecting link, so that relatively rotating between the two.In the present embodiment, backstay (2) can be a bearing pin.
In addition, the utility model is not only applicable to electronic weighing device, applicable to other similar device for measuring force yet.
Claims (2)
1, a kind of force transmission mechanism of pull-type sensor, comprise the pull-type sensor (3) of band earhole seat (31), the connecting link (1) and the backstay (2) of two troughs of belt (11), earhole (311) is arranged in the earhole seat (31), earhole seat (31) is inserted in respectively in the groove (11) of connecting link (1), it is characterized in that: the oscillating bearing of being made up of outer ring (4) and inner ring (5) (6) is housed in the earhole (311), backstay (2) passes the inner ring (5) of oscillating bearing (6) and is connected with connecting link (1), leaves the gap between the groove (11) of earhole seat (31) and connecting link (1).
2, the force transmission mechanism of pull-type sensor according to claim 1 is characterized in that: the width of the inner ring (5) of described oscillating bearing (6) is greater than the width of outer ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96229041 CN2263338Y (en) | 1996-01-08 | 1996-01-08 | Transmission mechanism of draw type senson |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96229041 CN2263338Y (en) | 1996-01-08 | 1996-01-08 | Transmission mechanism of draw type senson |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2263338Y true CN2263338Y (en) | 1997-09-24 |
Family
ID=33906789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96229041 Expired - Lifetime CN2263338Y (en) | 1996-01-08 | 1996-01-08 | Transmission mechanism of draw type senson |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2263338Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011143921A1 (en) * | 2010-05-17 | 2011-11-24 | 永正传感(杭州)有限公司 | Pull-type weighing module |
| CN102853892A (en) * | 2012-09-07 | 2013-01-02 | 无锡锡通工程机械有限公司 | Weighing sensor connecting device |
-
1996
- 1996-01-08 CN CN 96229041 patent/CN2263338Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011143921A1 (en) * | 2010-05-17 | 2011-11-24 | 永正传感(杭州)有限公司 | Pull-type weighing module |
| US9012792B2 (en) | 2010-05-17 | 2015-04-21 | Youngzon Transducer (Hangzhou) Co., Ltd. | Pin mounting for tension weighing module where the middle portion of the pins have arc-shapped retractable necks that couple with convex shaped portions of through holes in the sensing body |
| CN102853892A (en) * | 2012-09-07 | 2013-01-02 | 无锡锡通工程机械有限公司 | Weighing sensor connecting device |
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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 |