CN208333360U - A kind of Linear displacement transducer - Google Patents
A kind of Linear displacement transducer Download PDFInfo
- Publication number
- CN208333360U CN208333360U CN201821092680.4U CN201821092680U CN208333360U CN 208333360 U CN208333360 U CN 208333360U CN 201821092680 U CN201821092680 U CN 201821092680U CN 208333360 U CN208333360 U CN 208333360U
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- ball
- ontology
- retainer
- sliding slot
- linear displacement
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model relates to sensor fields, specifically a kind of Linear displacement transducer, including shell and roll the sliding block brush assembly of electric of cooperation on the housing, sliding block brush assembly of electric includes ontology, sliding slot is equipped with below the ontology, body interior is equipped at least two rows of ball assemblies of perforation direction setting along the chute, every row's ball assembly includes three balls and a retainer in Chinese character pin-shaped distribution, ball is embedded in retainer, body interior is hollow structure, body interior corresponds to each ball and is equipped with the hole being connected with sliding slot, retainer is installed in ontology, ball passes through corresponding hole, ball part is worn to sliding slot.The utility model has the beneficial effects that the fit system between sliding block brush assembly of electric and shell is become rolling friction from sliding friction, so as to reduce frictional force, abrasion is reduced, is improved service life.
Description
Technical field
The utility model relates to sensor field, specifically a kind of Linear displacement transducer.
Background technique
Displacement sensor field is widely used in woodworking machinery, injection molding machine special-purpose machinery, Packing Machine special-purpose machinery, printing machine
The needs such as tool, Medical Devices instrument, robot location's control, engineering monitoring computer control movable machinery system accurately measure displacement
Occasion.Linear displacement transducer is that mechanical displacement is converted into electric signal based on slide rheostat principle.Slide variable resistance
Device is to change the size of resistance value by slide plate displacement on the slide rail, and slide rheostat both ends connect DC voltage, allow to lead to
Lesser microamperes of current is crossed, the voltage between slide plate and starting point is directly proportional to the mobile length of slide plate.So based in this way
Principle, linear displacement transducer it is anti-electromagnetically very high.Existing slide block type displacement sensor product structure includes long tubular
Shell, the resistor disc being located in the shell, the sliding block brush assembly of electric for connecting with object being measured and cooperating with the resistor disc.
When slide block type displacement sensor works: object being measured movement then drives the brush on the sliding block brush assembly of electric in the resistance
On piece is mobile, and so as to cause the variation of the resistance value of resistor disc in the direction of movement, the resistance value of variation then passes through electrical connection
Component and signal output end component carry out signal output, wherein the length direction of shell and the mobile side of sliding block brush assembly of electric
To identical.
The defect of the structure is: being sliding friction between sliding block brush assembly of electric and shell, abrasion is excessively serious, uses the longevity
The exacerbation do not grown, and worn therewith is ordered, will receive influence using the measurement accuracy in later period.
Utility model content
The purpose of this utility model is to provide a kind of Linear displacement transducers, mentioned above in the background art to solve
Problem.
The technical solution of the utility model is: including shell and rolling the sliding block brush group of cooperation on the housing
Part, sliding block brush assembly of electric include ontology, and sliding slot is equipped with below the ontology, and body interior is equipped with perforation direction setting along the chute
At least two rows of ball assemblies, every row's ball assembly include three balls and a retainer in Chinese character pin-shaped distribution, ball
It is embedded in retainer, body interior is hollow structure, and body interior corresponds to each ball and is equipped with one to be connected with sliding slot
Hole, retainer are installed in ontology, and ball passes through corresponding hole, and ball part is worn to sliding slot.
In one preferred embodiment of the utility model, upper cover, ontology upper end inside four are removably provided with above ontology
It is respectively equipped with a Nut column at a angle, a unthreaded hole is respectively equipped at four angles of upper cover, upper cover is worn respectively by four screws
It crosses a unthreaded hole to connect with Nut column, be compressed on the body by screw.
In one preferred embodiment of the utility model, the shape of sliding slot is rounded, and body interior is equipped with and is used to form sliding slot
Circular skeleton, retainer is annular in shape and has a notch, and retainer can be sleeved on after opening under external force
On skeleton.
In one preferred embodiment of the utility model, each ball is corresponded on retainer and is equipped with a mounting groove, install
Mounting ring made of elastic material is equipped at the notch of slot, the bore of mounting ring is less than the diameter of ball, and ball is in external force
Under can squeeze into mounting groove.
In one preferred embodiment of the utility model, ball is insulator.
The utility model provides a kind of Linear displacement transducer by improving herein, compared with prior art, has as follows
Improvement and advantage: being that the fit system between sliding block brush assembly of electric and shell is become rolling friction from sliding friction, so as to
Frictional force is reduced, abrasion is reduced, improves service life；Its specific structure be sliding block brush assembly of electric body interior be arranged to
Few two rows ball assembly, every row's ball assembly is by three balls and a retainer for making three balls keep Chinese character pin-shaped distribution
It constitutes, it is by minimum six balls, ontology is fixed on the shell, and move ontology can on the shell；Wherein, at least two
The design of row's ball assembly is that the advantages of isosceles triangle is distributed is to keep ontology more firm in order to keep the steady of ontology.
Detailed description of the invention
The utility model is further explained with reference to the accompanying drawings and examples:
Fig. 1 is the utility model schematic perspective view；
Fig. 2 is the structural schematic diagram of ontology；
Fig. 3 is the decomposition assembling structure schematic diagram of ontology；
Fig. 4 is the internal structure schematic top plan view of ontology；
Fig. 5 is the cross-sectional view for prolonging line A-A in Fig. 4；
Description of symbols:
1- shell；2- ontology；2a- sliding slot；2b- Nut column；2c- skeleton；3- ball；4- retainer；5- upper cover.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing 1- Fig. 5, to the skill in the utility model embodiment
Art scheme is clearly and completely described, it is clear that and the described embodiments are only a part of the embodiments of the utility model, and
The embodiment being not all of.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness
Every other embodiment obtained, fall within the protection scope of the utility model under the premise of labour.
The utility model provides a kind of Linear displacement transducer by improving herein, as Figure 1-Figure 5, including shell 1
And sliding block brush assembly of electric of the cooperation on the shell 1 is rolled, sliding block brush assembly of electric includes ontology 2, is set below the ontology 2
There is sliding slot 2a, at least two rows of ball assemblies that 2a along the chute penetrates through direction setting are equipped with inside ontology 2, every row's ball assembly is wrapped
It includes and is embedded in retainer 4 in three balls 3 and a retainer 4, ball 3 of Chinese character pin-shaped distribution, be hollow inside ontology 2
Structure corresponds to each ball 3 inside ontology 2 and is equipped with the hole being connected with sliding slot 2a, and retainer 4 is installed in ontology 2, rolling
Pearl 3 passes through corresponding hole, and 3 part of ball is worn to sliding slot 2a.
The principles of the present invention: being to become the fit system between sliding block brush assembly of electric and shell 1 from sliding friction
Rolling friction reduces abrasion, improves service life so as to reduce frictional force；Its specific structure is in sliding block brush assembly of electric
Ontology 2 inside at least two rows of ball assemblies are set, every row's ball assembly protects three balls 3 by three balls 3 and one
The retainer 4 for holding Chinese character pin-shaped distribution is constituted, and by minimum six balls 3, ontology 2 is fixed on shell 1, and ontology 2 is made to exist
It can be moved on shell 1, the design of at least two rows of ball assemblies is the advantages of isosceles triangle is distributed in order to keep the steady of ontology 2
It is to keep ontology 2 more firm.
Preferably, the top of ontology 2 is removably provided with upper cover 5, in order to install ball assembly, inside 2 upper end of ontology
It is respectively equipped with a Nut column 2b at four angles, a unthreaded hole is respectively equipped at 5 four angles of upper cover, upper cover 5 passes through four screws
It is each passed through a unthreaded hole to connect with Nut column 2b, be pressed on ontology 2 by screw.
Preferably, the shape of sliding slot 2a is rounded, and the circular skeleton 2c for being used to form sliding slot 2a is equipped with inside ontology 2,
Retainer 4 is annular in shape and has a notch, and retainer 4 uses this shape, is to be able under external force
It is enough to open, can be sleeved on skeleton 2c after opening, lose retainer 4 after external force restore as former state can fastener mounted in bone
On frame 2c.
Preferably, each ball 3 is corresponded on retainer 4 and is equipped with a mounting groove, is equipped with elasticity at the notch of mounting groove
Mounting ring made of material, the bore of mounting ring is less than the diameter of ball 3, when ball 3 is installed, it is only necessary to by ball 3 firmly to peace
Pressing, mounting ring compressive deformation, bore become larger in tankage, and ball 3 is squeezed into mounting groove.
Preferably, in order to avoid by electromagnetic interference, ball 3 is insulator.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (5)
1. a kind of Linear displacement transducer, it is characterised in that: including shell (1) and roll cooperation on the shell (1)
Sliding block brush assembly of electric, sliding block brush assembly of electric include ontology (2), are equipped with sliding slot (2a) below the ontology (2), and ontology (2) is internal
At least two rows of ball assemblies equipped with (2a) along the chute perforation direction setting, every row's ball assembly includes in Chinese character pin-shaped distribution
Three balls (3) and a retainer (4), ball (3) are embedded in retainer (4), are hollow structure inside ontology (2),
Corresponding each ball (3) is equipped with the hole being connected with sliding slot (2a) inside ontology (2), and retainer (4) is installed on ontology (2)
Interior, ball (3) passes through corresponding hole, and ball (3) is partially worn to sliding slot (2a).
2. Linear displacement transducer according to claim 1, it is characterised in that: be removably provided with above ontology (2)
Upper cover (5), ontology (2) upper end inside are respectively equipped with a Nut column (2b) at four angles, and upper cover is respectively equipped at (5) four angles
One unthreaded hole, upper cover (5) are each passed through a unthreaded hole by four screws and connect with Nut column (2b), are pressed on this by screw
On body (2).
3. Linear displacement transducer according to claim 1, it is characterised in that: the shape of sliding slot (2a) is rounded, ontology
(2) internal to be equipped with the circular skeleton (2c) for being used to form sliding slot (2a), retainer (4) is annular in shape and has a notch,
Retainer (4) can be sleeved on skeleton (2c) after opening under external force.
4. Linear displacement transducer according to claim 1, it is characterised in that: correspond to each ball (3) on retainer (4)
It is equipped with a mounting groove, mounting ring made of elastic material is equipped at the notch of mounting groove, the bore of mounting ring is less than ball
(3) diameter, ball (3) can be squeezed into mounting groove under external force.
5. Linear displacement transducer according to claim 1, it is characterised in that: ball (3) is insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821092680.4U CN208333360U (en) | 2018-07-10 | 2018-07-10 | A kind of Linear displacement transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821092680.4U CN208333360U (en) | 2018-07-10 | 2018-07-10 | A kind of Linear displacement transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208333360U true CN208333360U (en) | 2019-01-04 |
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ID=64786834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821092680.4U Active CN208333360U (en) | 2018-07-10 | 2018-07-10 | A kind of Linear displacement transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208333360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923837A (en) * | 2019-12-06 | 2021-06-08 | 上海梅山钢铁股份有限公司 | Device for detecting abrasion loss of sliding block of side-pressure type traveling crane current collector |
-
2018
- 2018-07-10 CN CN201821092680.4U patent/CN208333360U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923837A (en) * | 2019-12-06 | 2021-06-08 | 上海梅山钢铁股份有限公司 | Device for detecting abrasion loss of sliding block of side-pressure type traveling crane current collector |
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