CN208026402U - Miniature draw-press type sensor - Google Patents
Miniature draw-press type sensor Download PDFInfo
- Publication number
- CN208026402U CN208026402U CN201820468602.3U CN201820468602U CN208026402U CN 208026402 U CN208026402 U CN 208026402U CN 201820468602 U CN201820468602 U CN 201820468602U CN 208026402 U CN208026402 U CN 208026402U
- Authority
- CN
- China
- Prior art keywords
- pedestal
- annular wall
- elastomer
- shaft
- far
- 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 - Fee Related
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of miniature draw-press type sensors, including sensor body, circuit module and transmission cable, the sensor body includes pedestal and the elastomer on the pedestal, and the center of one side of the pedestal far from the elastomer is extended with external thread rod straight down；The elastomer has an annular wall, in the annular wall and coaxially the heart shaft, and by direction extension of the inner wall towards the shaft of the annular wall and strain beam connected to it and the seal cover board set on first open end of the annular wall far from the pedestal, the one end of the shaft far from the pedestal passes through the seal cover board with the first open end of the protruding annular wall, the shaft expose to first open end one section is provided with external screw thread, the hollow space of the elastomer is isolated into two sub-spaces by the strain beam, the circuit module is set on the strain beam and is contained in the subspace far from the pedestal.
Description
Technical field
The utility model is related to a kind of miniature draw-press type sensors.
Background technology
In such as rivet driver, bonding machine, plug force tester, cold-hot pressure laminator, keyboard feel degree tester etc.
In pull test instrument, hand-held measurement device is mostly used to the test of pulling force or pressure, elder generation is required for before production per secondary device
It debugs, can not detect that the average degree of pressure, production and detection are required for taking a substantial amount of time in production process in real time, no life
Produce efficiency.Therefore, it is badly in need of the pulling force or pressure of wanting a kind of miniature draw-press type sensor to carry out test equipment.
Utility model content
In view of the above shortcomings of the prior art, technical problem to be solved in the utility model is：It provides a kind of novel
Improve the miniature draw-press type sensor of production efficiency.
In order to solve the above technical problems, the technical solution that the utility model uses is：A kind of miniature drawing and pressing type is provided
Sensor, including sensor body, circuit module and transmission cable, the sensor body is including a pedestal and is set to institute
The elastomer on pedestal is stated, the center of one side of the pedestal far from the elastomer is extended with external screw thread straight down
Bar；The elastomer have an annular wall, in the annular wall and coaxially the heart shaft and by the annular wall
Direction of the inner wall towards the shaft extend and strain beam connected to it and set on the annular wall far from the pedestal
The first open end seal cover board, the one end of the shaft far from the pedestal pass through the seal cover board with protruding institute
State the first open end of annular wall, the shaft expose to first open end one section is provided with external screw thread, the strain
The hollow space of the elastomer is isolated into two sub-spaces by beam, and the circuit module is set on the strain beam and is contained in
In a subspace far from the pedestal, offers in the annular wall and be electrically connected with the circuit module for the transmission cable
The upper end of the transmission cable jack connect, the pedestal is inserted by the second open end of the annular wall towards the one of the pedestal
To be connect with the annular wall in subspace.
Further, the strain beam is several, and the spaced preset distance in one end of several strain beams is set to
On the inner wall of the annular wall, the other end is connect with the periphery of the shaft.
Further, the parallel distance of the strain beam and end face of the annular wall far from the pedestal is less than described
Strain beam is with the annular wall close to the parallel distance of the end face of the pedestal.
Further, the pedestal includes a shape horizontal block, corresponds to the elastomer in the horizontal block
Insertion section with the annular wall screw-thread fit on one side and above-mentioned external thread rod, the insertion section correspond to the annular wall
Internal face position at be provided with external screw thread, the internal face of the annular wall towards one end of the pedestal be provided with it is described
The internal thread of the external screw thread screw-thread fit of insertion section, the external thread rod by the horizontal block far from the elastomer one towards
Under extend to form.
Further, the external thread rod and the shaft are concentric.
The miniature draw-press type sensor of the utility model, by twin-screw mounting design, it can be achieved that connecting into one with equipment
Body, the deviation that concentricity problem does not generate when solving to install improve measuring accuracy.Water-proof cable is connected and used using laser welding
Connector, degree of protection reach IP68, can use, be reduced to use occasion requirement in wet environment.It is automatic in the equipment course of work
Detection, monitors the size of force value in real time, can freely set pressure by program, realize fitting reliability.
Description of the drawings
Fig. 1 is the structural schematic diagram of miniature one embodiment of draw-press type sensor of the utility model.
Fig. 2 is the structural schematic diagram of the sensor body of the miniature draw-press type sensor of the utility model.
Fig. 3 is that the sensor body of the miniature draw-press type sensor of the utility model is bowed to perspective view.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It is (not shown to refer to Fig. 1 to Fig. 3, a kind of miniature draw-press type sensor, including sensor body 1, circuit module
Go out) and transmission cable 2, the sensor body 1 includes a pedestal 10 and the elastomer 12 on the pedestal 10, institute
The center for stating one side of the pedestal 10 far from the elastomer 12 is extended with external thread rod 100 straight down；The elastomer
12 with an annular wall 121, in the annular wall 121 and coaxially the heart shaft 122 and by the annular wall
Direction of 121 inner wall towards the shaft 122 extends and strain beam connected to it 123 and is set to the annular wall 121
The seal cover board 124 of the first open end far from the pedestal 10, the one end of the shaft 122 far from the pedestal 10 pass through institute
Seal cover board 124 is stated with the first open end of the protruding annular wall 121, the shaft 122 exposes to described first and opens
One section of mouth end is provided with external screw thread, and the hollow space of the elastomer 12 is isolated into two sub-spaces by the strain beam 123,
The circuit module is set on the strain beam 123 and is contained in the subspace far from the pedestal 10, in the annular
2 jack 125 of transmission cable being electrically connected with the circuit module for the transmission cable 2, the pedestal 10 are offered on wall 121
Upper end be inserted into towards a subspace of the pedestal 10 by the second open end of the annular wall 121 in with the annular
Wall 121 connects.
In one embodiment, pedestal 10 can be screwed by external thread rod 100 in Mr. Yu's test equipment, elastomer
The male thread portion of 12 shaft 122 can be threadedly coupled with force application part, when force application part (such as cylinder, motor etc.) is to institute
When stating the direction pushing shaft 122 of pedestal 10, the strain beam 123 of elastomer 12 generates elastic strain, is fitted on strain beam 123
Strain gauge generation be slightly variable, the resistance value of circuit module changes, and by Wheatstone bridge output signal, realizes to pressure
It measures.In another way, elastomer 12 is pulled to the direction far from pedestal 10 when force application part (such as cylinder, motor etc.)
When, the strain beam 123 of elastomer 12 generates elastic strain, and the strain gauge generation being fitted on strain beam 123 is slightly variable, circuit module
Resistance value change, pass through Wheatstone bridge output signal, realize measurement to pulling force.
Above-mentioned miniature draw-press type sensor is designed as 12 two components of pedestal 10 and elastomer, can realize to pulling force
Test and test to pressure so that the application range of sensor is wider, and first opening is sealed by seal cover board 124
End can be in effective protection subspace circuit module.
The strain beam 123 is several, and being set to for the spaced preset distance in one end of several strain beams 123 is described
On the inner wall of annular wall 121, the other end is connect with the periphery of the shaft 122.In the present embodiment, the strain beam 123 is specific
For four (see Fig. 3), four strain beams 123 be set in a manner of facing each other the shaft 122 and the annular wall 121 it
Between, the circuit module is then attached on the strain beam 123.In this way, strain beam 123 can either good power circuit board part
It is sticked thereon, and excessive material will not be added, reduce cost.
In the present embodiment, the strain beam 123 it is parallel with end face of the annular wall 121 far from the pedestal 10 away from
From the parallel distance less than the strain beam 123 and the annular wall 121 close to the end face of the pedestal 10.Due to shaft
122 expose to the first open end part be connect with force part, therefore adaptability to changes close to force side can it is more sensitive because
It exerts a force and generates strain, so that circuit part can more accurately sense corresponding signal.
The pedestal 10 includes a shape horizontal block 101, corresponds to the elastomer 12 in the horizontal block 101
Insertion section 102 with 121 screw-thread fit of the annular wall on one side and above-mentioned external thread rod 100, the insertion section 102 are corresponding
It is provided with external screw thread at the position of the internal face of the annular wall 121, the annular wall 121 is towards one end of the pedestal 10
Internal face be provided with the internal thread with the external screw thread screw-thread fit of the insertion section 102, the external thread rod 100 is by the water
Being downwardly extending on one side far from the elastomer 12 of plain block 101.The external thread rod 100 and the shaft 122 are concentric.
The external thread rod 100 and the shaft 122 are concentric, can power more be concentrated.
In the present embodiment, the sensor body 1 is in cylindrical shape, the outer diameter of the horizontal block 101 and the annular wall
121 outer diameter matches, and the outer diameter of the insertion section 102 and the internal diameter of the annular wall 121 match.In order to seal the ring
The hollow space of shape wall 121 uses laser welding in the lower face of the annular wall 121 and the junction of the horizontal block 101
In one.
To sum up, the miniature draw-press type sensor of the utility model, by twin-screw mounting design, it can be achieved that being connect with equipment
Integrally, the deviation that concentricity problem does not generate when solving to install improves measuring accuracy.Waterproof is connected and used using laser welding
Cable connector, degree of protection reach IP68, can use, be reduced to use occasion requirement in wet environment.In the equipment course of work
Automatic detection, monitors the size of force value in real time, can freely set pressure by program, realize fitting reliability.
It these are only the embodiment of the utility model, it does not limit the scope of the patent of the present invention, every profit
The equivalent structure or equivalent flow shift made by the utility model specification and accompanying drawing content, is applied directly or indirectly in it
His relevant technical field, is equally included in the patent within the scope of the utility model.
Claims (5)
1. a kind of miniature draw-press type sensor, including sensor body, circuit module and transmission cable, it is characterised in that：Institute
It includes a pedestal and the elastomer on the pedestal, one side of the pedestal far from the elastomer to state sensor body
Center be extended with external thread rod straight down；The elastomer have an annular wall, be set to the annular wall in and with
Its concentric shaft and extended by direction of the inner wall towards the shaft of the annular wall and strain beam connected to it
And the seal cover board set on first open end of the annular wall far from the pedestal, the shaft far from the pedestal one
Across the seal cover board with the first open end of the protruding annular wall, the shaft exposes to first opening at end
One section of end is provided with external screw thread, and the hollow space of the elastomer is isolated into two sub-spaces, the electricity by the strain beam
Road module is set on the strain beam and is contained in the subspace far from the pedestal, and confession is offered in the annular wall
The upper end of the transmission cable jack that the transmission cable is electrically connected with the circuit module, the pedestal passes through the annular wall
Second open end be inserted into towards in a subspace of the pedestal to be connect with the annular wall.
2. miniature draw-press type sensor as described in claim 1, it is characterised in that：The strain beam is several, Ruo Gangen
The spaced preset distance in one end of strain beam on the inner wall of the annular wall, the periphery of the other end and the shaft connects
It connects.
3. miniature draw-press type sensor as described in claim 1, it is characterised in that：The strain beam and the annular wall are separate
The parallel distance of the end face of the pedestal be less than the strain beam and the annular wall close to the pedestal end face it is flat
Row distance.
4. miniature draw-press type sensor as described in claim 1, it is characterised in that：The pedestal include a shape horizontal block,
Corresponding to the one side of the elastomer and the insertion section of the annular wall screw-thread fit and above-mentioned in the horizontal block
External thread rod, the insertion section corresponding to the annular wall internal face position at be provided with external screw thread, the annular wall court
The internal face of one end of the pedestal is provided with the internal thread with the external screw thread screw-thread fit of the insertion section, the external screw thread
Bar being downwardly extending on one side far from the elastomer by the horizontal block.
5. miniature draw-press type sensor as claimed in claim 4, it is characterised in that：The external thread rod and the shaft are coaxial
The heart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820468602.3U CN208026402U (en) | 2018-03-30 | 2018-03-30 | Miniature draw-press type sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820468602.3U CN208026402U (en) | 2018-03-30 | 2018-03-30 | Miniature draw-press type sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208026402U true CN208026402U (en) | 2018-10-30 |
Family
ID=63910239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820468602.3U Expired - Fee Related CN208026402U (en) | 2018-03-30 | 2018-03-30 | Miniature draw-press type sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208026402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115351704A (en) * | 2022-08-17 | 2022-11-18 | 东莞溪河精密技术有限公司 | Contour recognizer, polishing manipulator and polishing system |
-
2018
- 2018-03-30 CN CN201820468602.3U patent/CN208026402U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115351704A (en) * | 2022-08-17 | 2022-11-18 | 东莞溪河精密技术有限公司 | Contour recognizer, polishing manipulator and polishing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181030 Termination date: 20200330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |