CN205620019U - Weighing device - Google Patents
Weighing device Download PDFInfo
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- CN205620019U CN205620019U CN201620429233.8U CN201620429233U CN205620019U CN 205620019 U CN205620019 U CN 205620019U CN 201620429233 U CN201620429233 U CN 201620429233U CN 205620019 U CN205620019 U CN 205620019U
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- weighing
- transfer block
- weighing device
- fixing bar
- load cells
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Abstract
The utility model discloses a weighing device, it includes the switching piece of weighing backup pad, weighing sensor and confession the thing exerting pressure, weighing sensor one end sets up in the backup pad, and weighing sensor's the other end is unsettled, and the switching piece is fixed on weighing sensor's free end, sets up the clearance between the bottom of switching piece and the backup pad. The utility model discloses a set up the clearance between switching piece and backup pad, when the weight of the thing of weighing transfinited, the backup pad can block effectively that the switching piece continues to descend, effectively protects weighing sensor, extension weighing sensor's life.
Description
Technical field
This utility model relates to a kind of weighing device.
Background technology
LOAD CELLS is a kind of conversion equipment that weight signal or pressure signal are converted into electric quantity signal, and it is to utilize metallic resistance silk to extend under tension to attenuate, principle that resistance increases (i.e. metallic resistance with the strained and effect that changes) and make.Sensor is generally the most sensitive to external force, once exceedes its load or sensor all can be caused by excessive side force irreversible infringement；And the biggest unbalance loading can affect precision and the life-span of sensor.The employing long cantilever mode that prior art has, when weighing, unbalance loading is very big, affects precision and the life-span of sensor；The unprotected measure to side force having；Protected structure uses spring to coordinate with cardan universal joint component, can play certain protective effect, but owing to need to spring-compressed be installed more complicated when using；And there is bigger internal stress after being compressed due to spring, easily produce crooked.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of weighing device with self-protection function, it is to avoid LOAD CELLS suffers damage, it is ensured that LOAD CELLS the most still keeps preferable precision.
The purpose of this utility model is achieved through the following technical solutions: a kind of weighing device, it includes gripper shoe, LOAD CELLS and executes stressed transfer block for thing of weighing, described LOAD CELLS one end is arranged on the supporting plate, the other end of LOAD CELLS is unsettled, transfer block is fixed on the free end of LOAD CELLS, arranges gap between bottom and the gripper shoe of transfer block.When transfer block stress; transfer block force side declines, and exceedes LOAD CELLS load once weight or LOAD CELLS is contacted with gripper shoe by excessive side force, transfer block; now gripper shoe stops that transfer block continues to decline, and LOAD CELLS plays the effect of protection.
It is preferred that, described transfer block is provided for place and weighs thing or installation is weighed the weighing platform of accessory.When transfer block stress; transfer block weighing platform end declines, and exceedes LOAD CELLS load once weight or LOAD CELLS is contacted with gripper shoe by excessive side force, transfer block; now gripper shoe stops that transfer block continues to decline, and LOAD CELLS plays the effect of protection.
It is preferred that, described accessory of weighing includes flexibly connecting post, pole and the object storage component of thing of weighing for placement or suspension, flexibly connecting post bottom to be installed on the weighing platform of transfer block, pole is fixed with object storage component, and pole bottom is fixed with flexibly connecting post upper end.It is convenient that this arranges the thing so that placement or suspension are weighed, and arranges simultaneously and flexibly connects post, can protect LOAD CELLS further.
It is preferred that, the described post that flexibly connects includes elastic rubbery body, upper fixing bar and lower fixing bar, and upper fixing bar is arranged on the upper end of elastic rubbery body, and lower fixing bar is arranged at the lower end of elastic rubbery body.This design is easy to flexibly connect post and is preferably connected with other parts.
It is preferred that, with upper fixing bar grafting bottom described pole.The mode of grafting is more conducive to dismounting.
It is preferred that, described elastic rubbery body includes rubber body and skeleton, skeleton is arranged in rubber body, described skeleton includes nut A and base plate, nut A is fixed on base plate, elastic rubbery body is filled bag skeleton forming by rubber, and described skeleton is two, and two skeletons are respectively arranged at the upper and lower side of rubber body；Described nut is 4, and 4 nuts are evenly distributed on base plate.On the one hand skeleton can strengthen the intensity of rubber body, on the one hand arranges nut A, it is simple to elastic rubbery body is connected with other parts.
It is preferred that, described lower fixing bar is fixed in transfer block by the combination of nut B or plain washer and nut B, described upper fixing bar and lower fixing bar are all threadeded with elastic rubbery body, and described transfer block and gripper shoe are all fixed with LOAD CELLS by screw.Screw thread or screw connect, it is simple to dismounting.
The beneficial effects of the utility model are: this utility model is by arranging gap between transfer block and gripper shoe, and when the weight of thing of weighing transfinites, gripper shoe can effectively stop that transfer block continues to decline, and effectively protects LOAD CELLS.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is the structural representation of part A in Fig. 1；
Fig. 3 is that this utility model flexibly connects rod structure schematic diagram；
Fig. 4 is this utility model elastic rubbery body structural representation；
Fig. 5 is this utility model framing structure schematic diagram；
Fig. 6 is that this utility model is by state during a certain side force；
In figure, 1-LOAD CELLS, 2-gripper shoe, 3-nut B, 4-plain washer, 5-transfer block, 6-flexibly connects post, the upper fixing bar of 60-, and 61-elastic rubbery body fixes bar, 611-rubber body, 612-skeleton under 62-, 6121-nut A, 6122-base plate, 7-object storage component, 8-rubber blanket, 9-screw.
Detailed description of the invention
The technical solution of the utility model is described in further detail below in conjunction with the accompanying drawings, but protection domain of the present utility model is not limited to the following stated.
As shown in Fig. 1～Fig. 5, a kind of weighing device, it includes gripper shoe 2, LOAD CELLS 1 and executes stressed transfer block 5 for thing of weighing, described LOAD CELLS 1 one end is arranged in gripper shoe 2, the other end of LOAD CELLS 1 is unsettled, transfer block 5 is fixed on the free end of LOAD CELLS 1, arranges gap between bottom and the gripper shoe 2 of transfer block 5.Arranging a rubber blanket 8 the thinnest between transfer block 5 and LOAD CELLS 1, it plays certain cushioning effect, prevents LOAD CELLS 1 be scratched or wear and tear simultaneously.The material of transfer block 5 selects the aluminium alloy of preferred 2A12 or other trades mark.Gripper shoe 2 preferably No. 45#() steel or duralumin processes, and during use, it is fixed.
Preferably, described transfer block 5 is provided for place and weighs thing or installation is weighed the weighing platform of accessory.
Preferably, described accessory of weighing includes flexibly connecting post 6, pole and the object storage component 7 of thing of weighing for placement or suspension, flexibly connects post 6 bottom and is installed on the weighing platform of transfer block 5, and pole is fixed with object storage component 7, pole bottom is fixed with flexibly connecting post 6 upper end, and pole is provided with hook.
Preferably, the described post 6 that flexibly connects includes elastic rubbery body 61, upper fixing bar 60 and lower fixing bar 62, and upper fixing bar 60 is arranged on the upper end of elastic rubbery body 61, and lower fixing bar 62 is arranged at the lower end of elastic rubbery body 61.
Preferably, with the grafting of upper fixing bar 60 bottom described pole.
Preferably, described elastic rubbery body 61 includes rubber body 611 and skeleton 612, and skeleton 612 is arranged in rubber body 611.
Preferably, described skeleton 612 includes nut A6121 and base plate 6122, and nut A6121 is fixed on base plate 6122, and preferred weld is fixed, and elastic rubbery body 61 is filled bag skeleton 612 molding by rubber.
Preferably, described skeleton 612 is two, and two skeletons 612 are respectively arranged at the upper and lower side of rubber body 611；Described nut is 4, and 4 nuts are evenly distributed on base plate 6122.As shown in figs. 1 and 6; when pole is by bigger improper side force F(note: side force F refer to F be not vertically downward or when whole device tilts F not parallel with pole; it is not limited to the direction shown in Fig. 6) time; flexibly connect post 6 to produce certain deformation and bend; now side force F direction offsets; it is decomposed into power F1 and power F2; when radial component F1 is close to device range; transfer block 5 contacts with gripper shoe 2; LOAD CELLS 1 deformation stops and being protected; after external force F disappears, flexibly connect post 6 and recovered to original state by natural resiliency.
Preferably, described lower fixing bar 62 is fixed in transfer block 5 by the combination of nut B3 or plain washer 4 and nut B3, and described upper fixing bar 60 and lower fixing bar 62 are all threadeded with elastic rubbery body 61.
Preferably, described transfer block 5 and gripper shoe 2 are all fixed with LOAD CELLS 1 by screw 9.
In adopting blood transfusion apparatus, the weighing device with LOAD CELLS 1 can be used to weigh blood or the blood plasma of collection.Adopting the LOAD CELLS 1 in blood transfusion apparatus is nearly all to utilize alloy aluminum material as the cantilevered low capacity sensor of elastomer.This utility model is especially suitable for applying and weighs blood or blood plasma when blood collection.
Protection philosophy of the present utility model is: when equipment normally weighs, and thing of weighing (preferably blood/plasma) hangs on object storage component 7, and LOAD CELLS 1 is produced deformation by gravity and exports the signal of telecommunication, now can there is certain gap between transfer block 5 and gripper shoe 2；When the power (vertical direction G) on pole exceedes LOAD CELLS 1 range, LOAD CELLS 1 deformation stops because transfer block 5 contacts with gripper shoe 2, and LOAD CELLS 1 will not damage because of overload.
This weighing device both satisfied weighing require and make sensor have overload-resistant, side force function, ensure effect and the LOAD CELLS 1 stress dead in line of loading force, the impact making Tilt loading and eccentric load is minimized, and the installation of this device is simple, convenient, is greatly improved production efficiency.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; it should be pointed out that, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (10)
1. a weighing device, it is characterized in that: it includes gripper shoe, LOAD CELLS and executes stressed transfer block for thing of weighing, described LOAD CELLS one end is arranged on the supporting plate, the other end of LOAD CELLS is unsettled, transfer block is fixed on the free end of LOAD CELLS, arranges gap between bottom and the gripper shoe of transfer block.
A kind of weighing device the most according to claim 1, it is characterised in that: it is provided in described transfer block placing and weighs thing or installation is weighed the weighing platform of accessory.
A kind of weighing device the most according to claim 2, it is characterized in that: described accessory of weighing includes flexibly connecting post, pole and the object storage component of thing of weighing for placement or suspension, flexibly connect post bottom to be installed on the weighing platform of transfer block, pole is fixed with object storage component, and pole bottom is fixed with flexibly connecting post upper end.
A kind of weighing device the most according to claim 3, it is characterised in that: the described post that flexibly connects includes elastic rubbery body, upper fixing bar and lower fixing bar, and upper fixing bar is arranged on the upper end of elastic rubbery body, and lower fixing bar is arranged at the lower end of elastic rubbery body.
A kind of weighing device the most according to claim 4, it is characterised in that: with upper fixing bar grafting bottom described pole.
6. according to a kind of weighing device described in claim 4 or 5, it is characterised in that: described elastic rubbery body includes rubber body and skeleton, and skeleton is arranged in rubber body.
A kind of weighing device the most according to claim 6, it is characterised in that: described skeleton includes that nut A and base plate, nut A are fixed on base plate, and elastic rubbery body is filled bag skeleton forming by rubber.
A kind of weighing device the most according to claim 7, it is characterised in that: described skeleton is two, and two skeletons are respectively arranged at the upper and lower side of rubber body；Described nut is 4, and 4 nuts are evenly distributed on base plate.
A kind of weighing device the most according to claim 4, it is characterised in that: described lower fixing bar is fixed in transfer block by the combination of nut B or plain washer and nut B, and described upper fixing bar and lower fixing bar are all threadeded with elastic rubbery body.
A kind of weighing device the most according to claim 1, it is characterised in that: described transfer block and gripper shoe are all fixed with LOAD CELLS by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620429233.8U CN205620019U (en) | 2016-05-12 | 2016-05-12 | Weighing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620429233.8U CN205620019U (en) | 2016-05-12 | 2016-05-12 | Weighing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205620019U true CN205620019U (en) | 2016-10-05 |
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ID=57026824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620429233.8U Active CN205620019U (en) | 2016-05-12 | 2016-05-12 | Weighing device |
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| Country | Link |
|---|---|
| CN (1) | CN205620019U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612557A (en) * | 2018-11-08 | 2019-04-12 | 江苏大学 | A kind of propeller centroid detection device |
| CN112300882A (en) * | 2020-09-23 | 2021-02-02 | 安徽艾可豪生物科技有限公司 | Bent piece forming device is used in white spirit preparation |
-
2016
- 2016-05-12 CN CN201620429233.8U patent/CN205620019U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612557A (en) * | 2018-11-08 | 2019-04-12 | 江苏大学 | A kind of propeller centroid detection device |
| CN109612557B (en) * | 2018-11-08 | 2021-01-15 | 江苏大学 | Propeller mass center detection device |
| CN112300882A (en) * | 2020-09-23 | 2021-02-02 | 安徽艾可豪生物科技有限公司 | Bent piece forming device is used in white spirit preparation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |