CN207798244U - weighing sensor and its lever - Google Patents
weighing sensor and its lever Download PDFInfo
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- CN207798244U CN207798244U CN201721662982.6U CN201721662982U CN207798244U CN 207798244 U CN207798244 U CN 207798244U CN 201721662982 U CN201721662982 U CN 201721662982U CN 207798244 U CN207798244 U CN 207798244U
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- supporting part
- lever
- weighing sensor
- pilot unit
- interconnecting piece
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Abstract
The utility model discloses a kind of weighing sensor and its lever, wherein weighing sensor includes：Supporting part, fixed part and connection supporting part guide part parallel with fixed part；The parallel guide part includes that the upper parallel pilot unit of separation is respectively connected to the supporting part and fixed part in parallel pilot unit, upper parallel pilot unit both ends of parallel pilot unit under with under；The extending part of the fixed part in the upper parallel pilot unit and under between parallel pilot unit, with the upper parallel pilot unit and under parallel pilot unit be equipped with distance and extend to the supporting part, and form gap between the supporting part；The distance between the extension and described parallel pilot unit can allow for lever to pass through.The structure of the weighing sensor of the utility model is simple, and processing technology and assembly technology are simplified, processing and assembly easy to produce.
Description
Technical field
The utility model is related to a kind of weighing sensor and its lever, in particular for electronic balance weighing sensor and
Its lever.
Background technology
The weighing sensor that electronic balance uses at present is essentially all electromagnetism compensation type sensor, not with technology
Disconnected development is perfect, and to used weighing sensor in electronic balance, more stringent requirements are proposed, such as small, and precision is high,
It is at low cost, assembling is simple etc..
And traditional weighing sensor with die casting for main assembling parts, so volume is big, part is various, and assembly is complicated,
Assemble that tolerance is big, and quality is not sufficiently stable, in order to improve die casting structure weighing sensor shortcoming, weighing sensor at present
Using the structure of the integrated weighing sensor of highly integrated single module weighing sensor and half.But this structure often adds
Work complex process, assembly is inconvenient, cost is higher.
And during sensor assembles, the assembling of lever is critically important assembling procedure, is directly related to biography of weighing
The weighing performance of sensor.
The assembling mode of lever has plenty of from the peripheral group of sensor and installs at present, and so the size of lever just compares
It is larger, and due in the periphery of sensor, being also easy to receive the influence of extraneous factor.
In addition there are assembling mode be directly to assemble from top to bottom, i.e., after lever is installed, then assemble guide pin, it is such
The built-up time and parts that assembling mode needs are relatively more, uneconomical.
Have again and lever and sensor body integration are exactly processed into integral structure component, there is no above-mentioned for this mode
The problem of assembling, but such mode cost is again very high, is unfavorable for producing.
Utility model content
The technical problems to be solved in the utility model is to overcome the processing technology of weighing sensor in the prior art multiple
The defects of miscellaneous and assembly is inconvenient, the structure of the weighing sensor and its lever that are provided realizes processing technology and assembly process
Simplification, and then saved production cost.
The utility model is to solve above-mentioned technical problem by following technical proposals：
The utility model provides a kind of weighing sensor comprising：Supporting part, fixed part and the connection supporting part and solid
Determine the parallel guide part in portion；
The parallel guide part include separation upper parallel pilot unit under parallel pilot unit, the upper parallel guiding
Unit both ends of parallel pilot unit under are respectively connected to the supporting part and fixed part；
The extending part of the fixed part in the upper parallel pilot unit and under between parallel pilot unit, on described
Parallel pilot unit parallel pilot unit under is equipped with distance and extends to the supporting part, and the shape between the supporting part
At gap；
The distance between the extension and described parallel pilot unit can allow for lever to pass through, and enter described solid
Determine portion, the upper parallel pilot unit, the supporting part formed lever accommodation space in.
Parallel targeting part is segmented into two different spaces by the extension of the fixed part of the utility model, wherein upper parallel conductive
It is sufficiently large that the distance between parallel pilot unit and extension are combined in the space to be formed with extension to unit, so that
Lever by and be assembled to fixed part in weighing sensor, upper parallel pilot unit and extension and combine in the space to be formed.
Preferably, the parallel guide part, fixed part and supporting part are integrally formed.
All components are integrally formed in the utility model, and this design is so that simple same of the structure of weighing sensor
When, but also processing assembling is more convenient.
Preferably, the parallel guide part and the junction of the fixed part and supporting part are thin slice.
Utilize existing processing technology and the requirement of weighing sensor in the utility model between all parts at connecting portion
Machining is thin slice, and then enhances the range of the relative motion at each position.
Preferably, also detachably connected by interim connection sheet between the extension and the supporting part.
Extension and supporting part are fixed by provisional fixed connecting part in the utility model, that is, will be fixed
Portion and supporting part are fixed as one, so as to avoid unexpected vibrations etc., unexpected vibrations especially in transit symmetrical to retransmit
The influence of sensor.
Preferably, it is connected by interconnecting piece between the extension and the supporting part, and interconnecting piece is thin slice.
The utility model can also be in the production process in advance in the connection of extension and supporting part part, and junction
Flakiness is processed, equally can be to avoid the surprisingly influence to weighing sensor such as vibrations, while not needing extension and carrying
The connection of portion part can cut thin slice, and to cut off the connection of extension and supporting part, and this mode can also utilize pair
The cutoff action of thin slice adjusts the stress in entire weighing sensor.
Preferably, the upper parallel pilot unit is separately connected the cross-sectional length of the end at the both ends of supporting part and fixed part
It is identical.
Such as upper parallel pilot unit forms similar rectangular shape between supporting part and fixed part, or it is other
The identical shape of length on the side at both ends.
Preferably, the section for being separately connected the end at the both ends of supporting part and fixed part when the upper parallel pilot unit is long
When spending different, from the end to the direction of the end of connecting portion of connection supporting part, the two of the upper parallel pilot unit
Converted from the cross-sectional length of the end of connection supporting part to the section of the end of connecting portion to the gradual change of the distance between a side
Length.
Two sides of upper parallel pilot unit are that two of the end at the both ends of adjoining supporting part and fixed part are upper flat
Row pilot unit boundary contour.
Preferably, the distance between two sides of the upper parallel pilot unit are linearly from the end of connection supporting part
Cross-sectional length is converted to the cross-sectional length of the end of connecting portion.
Preferably, the fixed part is provided with the installation position for installing magnet, the installation position is equipped with several slots.
Installation position described in the utility model belongs to the structure inside fixed part, such as the mounting groove being arranged on fixed part
Or construction opening etc..
Preferably, the both sides of the one end of the installation position far from the supporting part are respectively equipped with a slot.By slot come
Discharge stress.
Preferably, have the lug boss that extends to fixed part direction on the supporting part, between supporting part and lug boss
Parallel guide part direction is provided with through-hole, the installation position of installation reed is provided on the lug boss, reed passes through logical
Hole is set to the installation position.
The utility model simplifies the structure and mounting means of supporting part and lever by the design of through-hole.
Preferably, the protrusion is additionally provided with mounting boss on the direction far from the upper parallel pilot unit.
The utility model further protrudes the mounting portion for connecting lever, in order to install and repair.
Preferably, at least one through-hole, wherein at least one are provided on parallel guide part direction on the supporting part
Through-hole is towards the mounting boss or the installation position.
The utility model is by through-hole convenient for the operation to installation position or mounting boss etc..
The utility model provides a kind of lever, is suitable for weighing sensor as described above comprising connection weighing and sensing
Mounting portion, interconnecting piece and the magnet interconnecting piece for installing magnet of device fixed part, the both ends of wherein interconnecting piece are respectively connected to install
Portion and magnet interconnecting piece；
The thickness of the wherein described lever can be open by the lever accommodation space of weighing sensor enters lever receiving sky
Between.
The utility model carries out the form that weighing sensor assembles from periphery for existing to reduce assembling parts
It improves, has redesigned the structure of lever, pass through the volume for reducing lever, the especially thickness of lever so that lever can
The opening of the lever accommodation space formed by the parallel guide part, fixed part and supporting part of weighing sensor enters weighing and sensing
Lever accommodation space inside device.To avoid lever from being located at the periphery of sensor.
And since the lever accommodation space of the inside of existing weighing sensor is all bigger in terms of length and width,
So as long as the thickness of lever disclosure satisfy that requirement, lever can enter lever accommodation space, to realize the assembling of lever.
Preferably, the mounting portion, interconnecting piece and magnet interconnecting piece are integrally formed.
The quantity for further reducing component reduces processing and assembling difficulty, reduces cost.
Preferably, the interconnecting piece includes the first noumenon portion being connected with each other and the second body part, the first noumenon portion
It is integrally formed with the mounting portion, second body part and the magnet interconnecting piece are integrally formed.
The utility model can also make lever using two-part structure.
Preferably, the mounting portion is strip, along the setting of mounting portion length direction there are three installation position, the installation position is equal
For installing reed.
The installation position of mounting portion is connect by reed with the other component of weighing sensor in the utility model.
Preferably, the interconnecting piece is sheet triangle, the bottom of triangle connects the mounting portion, the top of triangle
Connect the magnet interconnecting piece.
This structure of the utility model more fastens, and more easily installs.
Certainly, the utility model is not intended to limit the concrete shape of the mounting portion and interconnecting piece, according to practical weighing and sensing
The shape of the lever accommodation space of device and the opening shape and size of lever accommodation space, can arbitrarily adjust the connection of lever
The shapes and sizes in portion and mounting portion.
Preferably, the coil that the magnet interconnecting piece is provided with the coil block of magnet or the magnet interconnecting piece is magnet
Component.
The coiler part of magnet is further directly made in the part that lever is connected with magnet by the utility model, to simplify
The structure of weighing sensor.
Preferably, the barn door of photoelectric sensor is additionally provided on the magnet interconnecting piece.
The utility model drives the barn door of photoelectric sensor to realize position detection using the movement of lever.
The positive effect of the utility model is：
The structure of the weighing sensor of the utility model is simple, and processing technology and assembly technology are simplified, and are convenient for
Production and processing and assembly.
In addition, load cell structure used by the utility model also reduces the cost of generation and processing.And group
Weighing sensor after dress it is small, have excellent performance.
Description of the drawings
The above and other feature of the utility model, property and advantage will be by with reference to the accompanying drawings and examples
It describing and becomes apparent, identical reference numeral always shows identical feature in the accompanying drawings, wherein：
Fig. 1 is the stereoscopic schematic diagram of the weighing sensor of the embodiments of the present invention 1.
Fig. 2 is the weighing sensor of the embodiments of the present invention 1 along center line sectional view.
Fig. 3 is the stereoscopic schematic diagram of the weighing sensor of the embodiments of the present invention 2.
Fig. 4 is the stereoscopic schematic diagram of the lever of the embodiments of the present invention 1.
Fig. 5 is the lever of the embodiments of the present invention 1 along center line sectional view.
Fig. 6 is the vertical view of the lever of the embodiments of the present invention 1.
Fig. 7 is the stereoscopic schematic diagram of the lever of the embodiments of the present invention 2.
Fig. 8 is weighing sensor along center line sectional view.
Fig. 9 is another weighing sensor along center line sectional view.
Figure 10 is the sectional view of the supporting part of the weighing sensor of the embodiments of the present invention 1.
Reference sign
Weighing sensor 1
Supporting part 11
Body part 111
First extension 112
First through hole slot 113
First connection mounting portion 114
Second through-hole groove 115
Third through-hole slot 116
Fixed part 12
Main body 121
Extension 122
Mounting portion 1221,1222
Gap 123
Parallel guide part 13,13'
Upper parallel guide pin 131,131'
Under parallel guide pin 132,132'
First through hole 133
Second through-hole 134
Body part 1311,1311'
Thin slice 1312,1312'
First receiving space 1241
Second receiving space 17,1242
Lever 2,2'
First mounting portion 21,21'
Second mounting portion 22,22'
Third mounting portion 23,23'
Body part 24,24'
4th mounting portion 25,25'
4th mounting portion upper surface 251,251'
Coil block 6,6'
Coil block lower surface 61,61'
Specific implementation mode
For the above objects, features, and advantages of the utility model can be clearer and more comprehensible, below in conjunction with attached drawing to this practicality
Novel specific implementation mode elaborates.
The embodiments of the present invention are described with detailed reference to attached drawing now.Now with detailed reference to the excellent of the utility model
Embodiment is selected, its example is shown in the drawings.In the case of any possible, will be come in all the appended drawings using identical label
Indicate same or analogous part.
In addition, although the term used in the utility model is selected from public term, this reality
May be that applicant judges that detailed meanings exist come selection by his or her with some terms mentioned in novel specification
Illustrate in the relevant portion of description herein.
In addition, it is desirable that not only by used actual terms, and be also to the meaning contained by each term
To understand the utility model.
The integrally formed supporting part of the utility model, fixed part and parallel guide part can reduce structure complexity, reduce
Loading level is processed, additionally by controlling the distance between extension and the parallel guide part of supporting part, to be convenient for lever
Installation.
Additionally by the extension and fixed part of provisional connection supporting part, come avoid surprisingly shaking the damage brought with
And Stress relief, and slotted by fixed part and adjust the stress of weighing sensor.
By embodiment as described below, the realization method of the utility model is illustrated.
Embodiment 1
As shown in Figure 1, the weighing sensor 1 of the present embodiment include supporting part 11, fixed part 12 and by supporting part 11 with
The parallel guide part 13 that fixed part 12 connects.In the present embodiment, supporting part 11, fixed part 12 and parallel guide part 13 are
Integrated formed structure is machined by whole block material, be designed so that weighing sensor 1 is simple in structure, processes assembling
It is more convenient.
In addition, supporting part 11, fixed part 12 and parallel guide part 13 can also be separation knot in another embodiment
Structure, by forming weighing sensor 1 by assembling again.
The extension 122 that front end of the fixed part 12 including main body 121 and autonomous agent 121 extends to form forward.It is described solid
Determine the installation position (fixed part 12 has at the slot of circular through hole in figure) that installation magnet is provided in the main body 121 in portion 12, installation
Position perforative is provided with the first separating tank and the second separating tank (is not shown in figure in upper surface to the lower surface of 121 both sides of autonomous agent
Show), this set can discharge the stress generated when assembling, improve the weighing performance of weighing sensor.
In another embodiment, that slots at the installation position is more, such as symmetrically arranged 4 slots two-by-two
Deng.To those skilled in the art, the requirement and degree that the quantity and mode of fluting can be according to stress releases are freely set
Meter, is not restricted to the quantity and mode of the slot lifted in embodiment.
The front end face both sides of extension 122 include mounting portion 1221, mounting portion 1222 with by lever and company in the present embodiment
It is connected to extension 122, mounting portion 1221 and 1222 is connected to lever by reed respectively in the present embodiment.In another embodiment
The extension only can also be connected to lever by a reed.
Extension 122 and supporting part 11 are separated by a gap extended transversely through 123.As shown in Fig. 2, being installed in group
Cheng Qian utilizes integrally formed technology in the present embodiment, in 122 He of extension for the influence surprisingly shaken for preventing in transport
Provisional connection is realized between supporting part 11 by the thin slice of cutting, after the weighing sensor for being assembled into finished product, then is cut
Disconnected thin slice, forms the gap 123 extended transversely through, movement that at this time can be opposite between extension 122 and supporting part 11.
Extension 122 and supporting part 11 can also add hinged connection structure by provisional in another embodiment
To realize being fixedly connected for extension 122 and supporting part 11.
Parallel guide part 13 links together fixed part 12 and supporting part 11, and parallel guide part 13 includes upper parallel guiding
Piece 131 and under parallel guide pin 132, the upper parallel guide pin 131 and under parallel guide pin 132 with extension 122
Between have certain distance.The distance can be adjusted according to the design needs.
As shown in Figure 1, upper parallel guide pin 131 includes the thin slice 1312 of body part 1311 and both ends, body part 1311
Both ends are connected to fixed part 12 and supporting part 11 by 2 thin slices respectively.Since the present embodiment is integrally formed, so thin slice 1312
Formed by machining.
In addition for ease of processing in the present embodiment, the width on 1311 horizontal direction of body part is equal in 12 transverse direction of fixed part
Width.
Upper parallel guide pin 131 is equipped at supporting part 11 to be run through from upper 131 upper surface of parallel guide pin to lower surface
First through hole 133, upper parallel guide pin 131 at fixed part 12 be equipped with from upper 131 upper surface of parallel guide pin to following table
The design of the size and shape of perforative second through-hole 134 in face, first through hole 133 and the second through-hole 134 with lever structure
Change and change, however it is not limited to shapes and sizes shown in a kind of attached drawing.
Main body 121 forms the first receiving space, 121 He of main body with upper parallel guide pin 131, supporting part 11, extension 122
Under parallel guide pin 132, supporting part 11, extension 122 form the second receiving space 17, the first receiving space in the present embodiment
Spatial volume is more than the spatial volume of the second receiving space 17.
Be arranged such and easily facilitate the assembling of lever, that is to say, that at this time upper parallel guide pin 131 and extension 122 it
Between distance greatly to can allow lever by between upper parallel guide pin 131 and extension 122 enter the first receiving space.This
Lever can enter the first receiving space from 1 both-side opening described in figure of weighing sensor in embodiment, can also pass through peace
It fills the opening at the place of position and enters the first receiving space, each opening adapts to the shape of different levers, according to different levers
Shape can enter the first receiving space from different openings.
As Figure 4-Figure 6, the mounting portion that the lever 2 of the present embodiment connects weighing sensor fixed part includes the first mounting portion
21, the second mounting portion 22 and third mounting portion 23, these three mounting portions are connected by the other component of reed and weighing sensor.
As shown, the strip structure of mounting portion approximation described in the present embodiment, the mounting portion can also be in another embodiment
The other shapes such as arc.
The lever 2 of the present embodiment further includes body part 24 and the 4th mounting portion 25, one end connection peace of the body part 24
Dress portion, the other end connect the 4th mounting portion 25.And body part 24, the 4th mounting portion 25 and mounting portion are integrally formed, by monoblock
Material is machined into, so that lever construction is simply easy to process.
The wherein described body part 24 is approximate sheet triangular structure, and the wherein bottom of triangle connects mounting portion, triangle
The top of shape connects the 4th mounting portion 25.
The body part 24 is strip structure in another embodiment.Body part is trapezoidal described in a variation
Structure, long side connect mounting portion, and short side connects the 4th mounting portion 25.It can be seen that for one of ordinary skill in the art, institute
Stating the shape of body part 24 can arbitrarily select, as long as can enter the shape for the lever accommodation space for being placed in weighing sensor
It can be used in the utility model.
The 4th mounting portion 25 is equipped with the coil block 6 of magnet in the present embodiment, in another embodiment can be by
Four mounting portions 25 replace with coil block, to be further simplified the structure of weighing sensor.
The lever 2 of the present embodiment can be placed in the first receiving space 1241 shown in Fig. 8, and the thickness of lever 2 is less than
Upper distance a or b between parallel guide pin 131 and extension, as shown in Fig. 2, 2 thickness the best part of lever is just in the present embodiment
It is the 4th mounting portion 25, that is, the thickness c of the 4th mounting portion 25 is less than distance a between upper parallel guide pin 131 and extension
Or b.
As shown in Figure 8 and Figure 9, the accommodating space of the weighing sensor of lever 2 can be disposed by parallel guide part, fixed part
And its extension, supporting part surround to be formed, under parallel guide pin 132, supporting part, extension lower surface formed and be located at accommodating sky
Between in the second receiving space 1242.Extension and supporting part are separated by a gap extended transversely through 123, Fig. 8 and Fig. 9
Middle extension is also connected by a provisional interconnecting piece come fixed extension and supporting part with supporting part.
It can be seen that in the present embodiment, extension close to height b of the one end of fixed part apart from upper parallel guide pin 131 with
Height a of the other end of close supporting part apart from upper parallel guide pin 131 is equal, and extension is close to fixed part one end apart from upper flat
The height b of row guide pin 131 is all higher than the 4th installation with the height a close to one end of supporting part apart from upper parallel guide pin 131
The distance c of 6 lower surface 61 of coil block is arrived in 25 upper surface 251 of portion.
Lever 2 can enter the first receiving space 1241 by being open between upper parallel guide pin 131 and extension at this time.
To realize assembling of the lever 2 in weighing sensor, it is seen that although lever is assembled in weighing sensor, need not assemble
In periphery, and be assembled in inside, simultaneously because lever by opening into weighing sensor accommodation space, need not again according to
The components such as secondary assembling guide pin simplify assembling steps while reducing assembling parts.
In another embodiment, as shown in figure 9, extension close to one end of fixed part apart from upper parallel guide pin 131
Height b' is more than height a' of the other end of close supporting part apart from upper parallel guide pin 131, and extension is close to fixed part one end
Height b' apart from upper parallel guide pin 131 is more than the distance that 6 lower surface 61 of coil block is arrived in 25 upper surface 251 of the 4th mounting portion
C is more than the thickness of body part 24 and fixed part close to height a' of the other end apart from upper parallel guide pin 131 of supporting part.This
Kind height setting can enhance the intensity of the extension of weighing sensor.
In addition the width d in the present embodiment on 2 ontology of lever is less than the entire widths on upper parallel guide pin 131 with e, such as
This, which is arranged, makes lever 2 that can also be assembled into from the through hole on upper parallel guide pin 131, only can be from weighing sensor not
Same opening enters lever assembling.
In another embodiment for overall compact mechanism, the entire widths on upper parallel guide pin 131 are not enough to
So that lever 2 enters, that is to say, that only enter the first receiving space by the opening between parallel guide pin 131 and extension
In 1241.
In addition, the anti-dazzling screen for photoelectric sensor, the present embodiment are also equipped in the present embodiment on the 4th mounting portion 25
Anti-dazzling screen tool it is jaggy, photoelectric sensor is by detecting whether light by notch judges lever that anti-dazzling screen is connected
2 location status or motion state.Anti-dazzling screen can use difference corresponding to the photoelectric sensor of different structure in the present embodiment
The anti-dazzling screen of structure.
As shown in Figure 10, supporting part 11 includes body part 111, first extended from body part 111 to 12 direction of fixed part
Extension 112, sets that there are one the first through hole slots that extend vertically through from top to bottom between body part 111 and the first extension 112
113, the first connection mounting portion 114 for installing connection reed, supporting part ontology are extended in the lower surface of the first extension 112
111 include two the second through-hole grooves 115 penetrated through in an axial direction and third through-hole slot 116.The structure of supporting part is more in the present embodiment
Add light and handy, light weight, and performance is stablized.
In another embodiment, the mounting portion of connection reed is provided on the first extension 112, it in this way can be further
Simplify the structure of supporting part.And through-hole 116 is towards the mounting portion on the first extension 112.
In yet another embodiment, cancel through-hole 115 to be further simplified the structure of supporting part.
By connecting, supporting part first is connected mounting portion 114 to first connection mounting portion 114 by reed and lever 2 is connected to one
It rises, for use as the power transfer part of lever 2.After load load is in supporting part portion 11, power is passed to thick stick by connecting reed
Bar 2,2 disequilibrium of lever, after the long-armed amplification of lever 2, the anti-dazzling screen on the tail end of lever 2 deviates original balance position
It sets.Photoelectric displacement sensor detects logical by the light of the notch of the anti-dazzling screen on lever 2 as illustrated in the drawing in the present embodiment
Amount changes, and feeds back to weighing sensor circuit device and it is promoted to generate corresponding compensation electric current.This electric current is flowed through positioned at thick stick
The coil block 6 of bar long arm end, coil block 6 generate balancing force in fixed magnetic field, or are equilibrant force, make lever 2 again
Equilibrium state is returned to, i.e. anti-dazzling screen returns to equilbrium position.It compensates circuit part of the electric current through electronic balance and carries out a series of number
It can be obtained the actual weight of loaded load according to acquisition, data processing.
And connection reed can be set between supporting part body part 111 and the first extension 112 in the present embodiment, energy
Enough play the role of protection connection reed, improves sensor performance, while structure is also compacter.
Embodiment 2
As shown in figure 3, the present embodiment with the difference of embodiment 1 in parallel guide part 13' and lever 2' shape and structures.
Parallel guide part 13' includes upper parallel guide pin 131' parallel guide pin 132' under in the present embodiment, upper parallel
Guide pin 131' includes body part 1311' and the thin slice 1312' at both ends, the close fixed part on body part 1311' horizontal directions
12 width is more than the width on the horizontal direction of supporting part 11.At this time as shown in figure 3, the two of upper parallel guide pin 131'
The contour line of a side is straight line, i.e. body part 1311' constitutes similar trapezoidal shape, two sides of upper parallel guide pin 131'
The contour line on side is exactly trapezoidal bevel edge.
As shown in fig. 7, the present embodiment lever 2' is split structure, the lever 2' includes that connection weighing sensor is fixed
The mounting portion in portion, mounting portion include the first mounting portion 21', the second mounting portion 22' and third mounting portion 23', these three mounting portions
It is connected by the other component of reed and weighing sensor.As shown in figure 4, the present embodiment uses identical peace with embodiment 1
Dress portion structure.
Lever 2' further includes that the first noumenon portion being mutually permanently connected and the second body part are combined into the present embodiment
Body part 24', the first noumenon portion are integrally formed with mounting portion, and the second body part and the 4th mounting portion 25' are integrally formed.
Coil assembly 6' and anti-dazzling screen be installed, and the 4th mounting portion 26' upper surface 251' are to line on the 4th mounting portion 25'
The distance c of coil assembly 6' lower surface 61' is identical as distance in embodiment 1.
There are three parts to be sequentially connected composition by the body part 24' in another embodiment.
That is, the distance between upper parallel two sides guide pin 131' are linearly carried from connection in the present embodiment
The cross-sectional length of the end in portion is converted to the cross-sectional length of the end of connecting portion.
In another embodiment, the contour line of two sides can also use the outline forms such as camber line.The present embodiment
By this setup, by the boundary contour of upper parallel two sides guide pin 131' to weighing sensor internal contraction,
The unexpected accident to upper parallel guide pin 131' is avoided to touch.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
These are merely examples, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
Member can make these embodiments numerous variations or repair under the premise of without departing substantially from the principles of the present invention and essence
Change, but these change and modification each fall within the scope of protection of the utility model.
Claims (15)
1. a kind of weighing sensor, which is characterized in that including：
Supporting part, fixed part and connection supporting part guide part parallel with fixed part；
The parallel guide part include separation upper parallel pilot unit under parallel pilot unit, the upper parallel pilot unit
The both ends of parallel pilot unit are respectively connected to the supporting part and fixed part under；
The extending part of the fixed part in the upper parallel pilot unit and under between parallel pilot unit, and it is described parallel
Pilot unit parallel pilot unit under is equipped with distance and extends to the supporting part, and between the supporting part between formation
Gap；
The distance between the extension and described parallel pilot unit can allow for lever to pass through, and enter the fixation
In the lever accommodation space that portion, the upper parallel pilot unit, the supporting part are formed.
2. weighing sensor as described in claim 1, which is characterized in that the parallel guide part, fixed part and supporting part one
It is body formed.
3. weighing sensor as claimed in claim 2, which is characterized in that also pass through between the extension and the supporting part
It is connected by interconnecting piece between interim connection sheet is detachably connected or the extension and the supporting part, and interconnecting piece
For thin slice.
4. weighing sensor as claimed in claim 2, which is characterized in that the upper parallel pilot unit is separately connected supporting part
It is identical with the cross-sectional length of the end at the both ends of fixed part,
Or
When the upper parallel pilot unit is separately connected cross-sectional length difference of the supporting part with the end at the both ends of fixed part, from
Connect supporting part end to the direction of the end of connecting portion on, between two sides of the upper parallel pilot unit away from
From gradual change converted from the cross-sectional length of the end of connection supporting part to the cross-sectional length of the end of connecting portion.
5. weighing sensor as claimed in claim 4, which is characterized in that between two sides of the upper parallel pilot unit
Distance is linearly converted from the cross-sectional length of the end of connection supporting part to the cross-sectional length of the end of connecting portion.
6. weighing sensor as claimed in claim 2, which is characterized in that the fixed part is provided with the peace for installing magnet
Position is filled, the installation position is equipped with several slots.
7. weighing sensor as claimed in claim 6, which is characterized in that the one end of the installation position far from the supporting part
Both sides are respectively at least provided with a slot.
8. the weighing sensor as described in any one of claim 1-7, which is characterized in that have to described on the supporting part
The lug boss that fixed part direction extends, is being provided with through-hole, institute between supporting part and lug boss perpendicular to parallel guide part direction
The installation position that installation reed is provided on lug boss is stated, reed is set to the installation position by through-hole.
9. weighing sensor as described in claim 8, which is characterized in that the lug boss is far from the upper parallel guiding
It is additionally provided with mounting boss on the direction of unit.
10. weighing sensor as described in claim 9, which is characterized in that in parallel guide part direction on the supporting part
On be provided at least one through-hole, wherein at least one through-hole is towards the mounting boss or the installation position.
11. a kind of lever, which is characterized in that it is suitable for the weighing sensor as described in any one of claim 1-10, including：
Connect the mounting portion, interconnecting piece and the magnet interconnecting piece for installing magnet of weighing sensor fixed part, wherein the two of interconnecting piece
End is respectively connected to mounting portion and magnet interconnecting piece；
The thickness of the wherein described lever can be open by the lever accommodation space of weighing sensor enters lever accommodation space.
12. lever as claimed in claim 11, which is characterized in that the mounting portion, interconnecting piece and the magnet company for installing magnet
Socket part is integrally formed, or
The interconnecting piece includes the first noumenon portion being connected with each other and the second body part, the first noumenon portion and the mounting portion
It is integrally formed, second body part and the magnet interconnecting piece are integrally formed.
13. lever as claimed in claim 11, which is characterized in that the interconnecting piece is sheet triangle, the bottom of triangle
The mounting portion is connected, the top of triangle connects the magnet interconnecting piece.
14. lever as claimed in claim 11, which is characterized in that the magnet interconnecting piece be provided with magnet coil block or
The magnet interconnecting piece is the coil block of magnet.
15. lever as claimed in claim 11, which is characterized in that be additionally provided with photoelectric sensor on the magnet interconnecting piece
Barn door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721662982.6U CN207798244U (en) | 2017-12-04 | 2017-12-04 | weighing sensor and its lever |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721662982.6U CN207798244U (en) | 2017-12-04 | 2017-12-04 | weighing sensor and its lever |
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| CN207798244U true CN207798244U (en) | 2018-08-31 |
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| CN201721662982.6U Active CN207798244U (en) | 2017-12-04 | 2017-12-04 | weighing sensor and its lever |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870226A (en) * | 2017-12-04 | 2019-06-11 | 梅特勒-托利多仪器（上海）有限公司 | Weighing sensor and its lever |
| CN111579045A (en) * | 2019-05-16 | 2020-08-25 | 伟博泰有限公司 | Integral weighing monoblock |
| CN113237540A (en) * | 2021-04-15 | 2021-08-10 | 安徽天平机械股份有限公司 | Precision-adjustable wagon balance suitable for multi-stage tonnage |
-
2017
- 2017-12-04 CN CN201721662982.6U patent/CN207798244U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870226A (en) * | 2017-12-04 | 2019-06-11 | 梅特勒-托利多仪器（上海）有限公司 | Weighing sensor and its lever |
| CN111579045A (en) * | 2019-05-16 | 2020-08-25 | 伟博泰有限公司 | Integral weighing monoblock |
| CN111579045B (en) * | 2019-05-16 | 2021-12-14 | 伟博泰有限公司 | Integral weighing monoblock |
| US11808618B2 (en) | 2019-05-16 | 2023-11-07 | Wipotec Gmbh | Monolithic weighing block |
| CN113237540A (en) * | 2021-04-15 | 2021-08-10 | 安徽天平机械股份有限公司 | Precision-adjustable wagon balance suitable for multi-stage tonnage |
| CN113237540B (en) * | 2021-04-15 | 2022-09-06 | 安徽天平机械股份有限公司 | Precision-adjustable wagon balance suitable for multi-stage tonnage |
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