Utility model content
The purpose of the disclosure is to provide a kind of MEASURING THE THERMAL EXPANSION COEFFICIENT instrument, and the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument can make height
Warm sample is not required to personnel's directly contact and removes, it is to avoid the danger of scald.
To achieve these goals, the disclosure provides a kind of MEASURING THE THERMAL EXPANSION COEFFICIENT instrument, including for stretching into heating dress
The sample holder put, sensor and the display system electrically connected with the sensor, the sample holder include detection bar and carrying
Bar, is formed with the standing groove for holding sample on the carrier bar, the standing groove upward opening, described detection bar one end and institute
Sensor contacts are stated, the other end is used to be contacted with the sample, and the instrument also includes the branch for installing the sample holder
Frame base, and the turnbarrel in the bracket base is can be rotatably set in, the carrier bar is solid with the turnbarrel
Fixed connection, the detection bar through the bracket base with the sensor contacts.
Alternatively, the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument also includes rotary handle, and the rotary handle is by the rotation
Handle installation position in sleeve lateral wall is connected with the turnbarrel, and bracket base side wall is provided with groove circumferentially
Mouthful, the rotary handle can circumferentially slidably pass through the notch and be connected with the turnbarrel.
Alternatively, the handle installation position is screwed hole, and the rotary handle is connected with the handle installation position by screw thread
Connect.
Alternatively, the turnbarrel is cylinder, and the bracket base is provided with for being rotatably mounted the rotation
The through hole of sleeve, it is described for positioning that the through hole is provided with the boss for projecting radially inwards near the end face of the sensor
Turnbarrel, the end face away from the sensor is removably provided with end cap, and the internal diameter of the end cap is less than the turnbarrel
External diameter for positioning the turnbarrel.
Alternatively, the two ends of the turnbarrel are formed as hierarchic structure, are set respectively between the inwall of the through hole
It is equipped with clutch shaft bearing.
Alternatively, the first location hole is provided with the bracket base, the second location hole is provided with the turnbarrel,
The instrument also includes alignment pin, and the alignment pin coordinates to stretch into or exit second positioning with the first location hole screw thread
Hole.
Alternatively, the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument also includes making the sensor axial movement with close or remote
From the feed arrangement of the detection boom end.
Alternatively, the feed arrangement is arranged on the turnbarrel near the end of the sensor and including feeding
Handle and feed shaft, the feeding handle are rotatably installed in the end of the turnbarrel, the feed shaft and the biography
Sensor is fixedly linked and circumferential locking and is axially slidably located in the turnbarrel, the screw thread that the feed shaft passes through outer surface
Coordinate with the feeding handle screw thread, the feed shaft is hollow shaft, the detection bar passes through the feed shaft and the sensing
Device is contacted.
Alternatively, the feed shaft is that cross section is the cylinder of major arc arch.
Alternatively, the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument also include being arranged on the feeding handle and the turnbarrel it
Between second bearing.
By above-mentioned technical proposal, turnbarrel can as needed carry out axial-rotation in bracket base such that it is able to
Sample holder is overturn during sample to be poured out the hopper being correspondingly arranged, can not only so to avoid manually removing high temperature
The danger that sample is burned, and operating process is simple, improves instrument service efficiency.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing further understanding of the disclosure, and to constitute the part of specification, with following tool
Body implementation method is used to explain the disclosure together, but does not constitute limitation of this disclosure.In the accompanying drawings:
Fig. 1 is the front view of the sample holder that the disclosure is provided;
Fig. 2 is the top view of the sample holder that the disclosure is provided;
Fig. 3 is the front view of the bracket base that disclosure preferred embodiment is provided;
Fig. 4 is the sectional view in the A-A directions of the bracket base of disclosure preferred embodiment offer in Fig. 3;
Fig. 5 is the left view of the turnbarrel that disclosure preferred embodiment is provided;
Fig. 6 is the sectional view in the B-B directions of the turnbarrel of disclosure preferred embodiment offer in Fig. 5;
Fig. 7 is the top view of the turnbarrel of disclosure preferred embodiment offer in Fig. 5;
Fig. 8 is the right view of the swivel bearing of disclosure preferred embodiment offer in Fig. 5.
Description of reference numerals
The bracket base of 201 turnbarrel 202
The feed arrangement of 203 sample holder 204
The end cap of 205 second bearing 206
The location hole of 207 clutch shaft bearing 208 first
The handle installation position of 209 rotary handle 210
The location hole of 211 notch 212 second
The boss of 2021 through hole 2022
The carrier bar of 2031 detection bar 2032
The feed shaft of 2041 feeding handle 2042
Specific embodiment
It is described in detail below in conjunction with accompanying drawing specific embodiment of this disclosure.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explains the disclosure, is not limited to the disclosure.
In the disclosure, in the case where opposite explanation is not made, the noun of locality for using such as " upper and lower, left and right " be typically with
Defined on the basis of the page of respective drawings, " inside and outside " refers to the inner and outer of corresponding component profile.
The disclosure provides a kind of MEASURING THE THERMAL EXPANSION COEFFICIENT instrument, including for stretching into the sample holder 203 of heater, passing
Sensor and the display system electrically connected with the sensor.As depicted in figs. 1 and 2, sample holder 203 includes detection bar 2031 and holds
Carry bar 2032;The standing groove for holding sample is formed with carrier bar 2032, the standing groove upward opening, detection bar 2,031 1
End and sensor contacts, the other end are used to be contacted with sample.As shown in Figure 3 and Figure 4, the MEASURING THE THERMAL EXPANSION COEFFICIENT that the disclosure is provided
Instrument also includes for installing the bracket base 202 of sample holder 203, and can be rotatably set in bracket base 202
Turnbarrel 201, carrier bar 2032 is fixedly connected with turnbarrel 201, detection bar 2031 through the bracket base 202 with biography
Sensor is contacted.
Before MEASURING THE THERMAL EXPANSION COEFFICIENT experiment starts, first by object cutting to be tested is to suitable size and is ground, place
Laboratory sample is placed on carrier bar 2032 in the standing groove of setting after the completion of reason, and sample holder 203 is placed into sample
One end is stretched into heater, and the heater can be separately provided or is wholely set with instrument;After experiment starts, heating dress
Put carries out high-temperature heating to sample, so that sample expanded by heating, the generation displacement of detection bar 2031 that promotion is contacted with the sample,
And displacement information is received by contacting the sensor for setting with the detection bar 2031, it is aobvious finally by what is electrically connected with the sensor
Show that system carries out the calculating and display of experimental result;After the completion of experiment, sample holder 203 is exited into heater, and by rotation
The axial rotation motion of rotaring sleeve 201 is overturn sample holder 203, so as to high temp samples to be poured out the material being correspondingly arranged
In case.Can not only avoid manually removing the danger that high temp samples are burned in this way, and operating process is simple, carries
The service efficiency of the instrument high.
The disclosure is not intended to limit turnbarrel 201 and carries out the type of drive of axial-rotation, alternatively, in present embodiment
In, as shown in Figures 3 to 8, the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument that the disclosure is provided also includes rotary handle 209, the rotary handle
209 are connected by the handle installation position 210 on the side wall of turnbarrel 201 with turnbarrel 201, and the side wall of bracket base 202 is provided with
Notch 211 circumferentially, the rotary handle 209 can circumferentially slidably pass through the notch 211 with the turnbarrel 201
It is connected.In the present embodiment, alternatively, handle installation position 210 is screwed hole, and rotary handle 209 leads to handle installation position 210
Threaded connection is crossed, the handle is installed to by notch 211 again after by the Stent Implantation base 202 of turnbarrel 201 with facilitating
On turnbarrel 201.So, can realize being located at the rotation inside bracket base 202 by operating the movement of rotary handle 209
The rotation process of rotaring sleeve 201, the circumference in particular by rotary handle 209 in notch 211 is mobile so that turnbarrel
201 complete axial-rotation.This mode avoids the directly contact of operating personnel and turnbarrel 201, and rotary handle 209
It is also possible that easy to operate and laborsaving.
The MEASURING THE THERMAL EXPANSION COEFFICIENT instrument that the disclosure is provided, can be accomplished in several ways turnbarrel 201 relative
In the axial-rotation of bracket base 202.Alternatively, in the present embodiment, as shown in Fig. 5 to Fig. 8, turnbarrel 201 is circle
Cylinder, bracket base 202 is provided with the through hole 2021 for being rotatably mounted turnbarrel 201, in order that obtaining turnbarrel 201
The stably rotation in through hole 2021, the through hole 2021 is provided with the boss 2022 for projecting radially inwards near the end face of sensor
For position rotating sleeve 201, the end face away from sensor is removably provided with end cap 206, and the internal diameter of the end cap 206 is small
In turnbarrel 201 external diameter for position rotating sleeve 201.By by turnbarrel 201 be fabricated to cylinder and by its
It is arranged in corresponding through hole 2021, to realize the axial-rotation of the turnbarrel 201, and boss 2022 and end cap 206 set
Put so that the axial movement of turnbarrel 201 is locked out, so as to be merely able to that axial rotation motion is carried out in the through hole 2021.Separately
Outward because a side end cap 206 can be dismantled, it is possible to achieve turnbarrel 201 is placed in through hole 2021 installs end cap again first
206 purpose, can also equally realize the dismounting of turnbarrel 201 in dismounting.Further optionally, in the present embodiment,
The two ends of turnbarrel 201 are formed as hierarchic structure, to be respectively arranged with clutch shaft bearing 207 between the inwall of through hole 2021.
The clutch shaft bearing 207 is, in order to turnbarrel 201 can preferably carry out axial rotation, to reduce frictional resistance, and is existed accordingly
The hierarchic structure that the two ends of turnbarrel 201 are formed provides one kind preferred embodiment for the installation of clutch shaft bearing 207.
In the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument that the disclosure is provided, alternatively, as shown in Figure 4 and Figure 6, bracket base
The first location hole 208 is provided with 202, the second location hole 212, the instrument that the disclosure is provided are provided with turnbarrel 201
Also include alignment pin, the alignment pin and the screw thread of the first location hole 208 coordinate to stretch into or exit the second location hole 212.This be by
Axially opposing rotation can be carried out relative to bracket base 202 in turnbarrel 201, and, it is necessary to protect during experiment is carried out
The operating position for demonstrate,proving turnbarrel 201 is fixed, i.e., the position in experimentation of all parts and sample on sample holder 203
It is fixed, therefore, set alignment pin through the first location hole 208 on bracket base 202 and extend on turnbarrel 201 the
Two location holes 212, so that turnbarrel 201 is not carried out circumferentially opposed between the two relative to the circumferential locking of bracket base 202
Slide, and the setting of screw thread causes the stable connection between alignment pin and turnbarrel 201 and bracket base 202.
After experiment terminates, it is necessary to when being overturn to sample holder 203, alignment pin need to only exit turnbarrel 201
On the second location hole 212, you can release to the circumferential locking of turnbarrel 201.It should be noted that the disclosure is not limited
To the mode of the circumferential locking of turnbarrel 201, that is, the mode of the operating position of turnbarrel 201 is fixed, by other means, for example
Lug boss and corresponding groove are respectively provided with turnbarrel 201 and bracket base 202, present embodiment can be equally realized
Function.
In the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument that the disclosure is provided, alternatively, as shown in Figure 3 and Figure 4, the instrument is also wrapped
Including can be such that sensor moves axially with close to or away from the feed arrangement 204 of the end of detection bar 2031.MEASURING THE THERMAL EXPANSION COEFFICIENT
Before experiment starts, first by object cutting to be tested is to suitable size and is ground, because the step is generally by artificial side
Formula is carried out, and the size dimension of the sample after the completion for the treatment of can all have trickle deviation, now causes sensing by feed arrangement 204
Device can be moved axially, and the size according to sample is finely adjusted so that sensor can be carried out effectively with detection bar 2031
Contact, so as to ensure that the accuracy rate of detection, improves the service efficiency of instrument.
For the MEASURING THE THERMAL EXPANSION COEFFICIENT instrument that the disclosure is provided, feed arrangement 204 can be accomplished in several ways
Function, i.e., sensor can be made to carry out the function of axial location regulation.Alternatively, in the present embodiment, above-mentioned feeding dress
Put 204 and be arranged on turnbarrel 201 near the end of sensor and including feeding handle 2041 and feed shaft 2042, feed hand
Handle 2041 is rotatably installed in the end of turnbarrel 201, feed shaft 2042 be fixedly linked with sensor and circumferential locking and
Axially slidably it is located in turnbarrel 201, the feed shaft 2042 is matched somebody with somebody by the screw thread of outer surface with the screw thread of feeding handle 2041
Close, wherein feed shaft 2042 can be hollow shaft, detection bar 2031 passes through feed shaft 2042 and sensor contacts.By this side
Formula, feed shaft 2042 realizes sliding axially inside turnbarrel 201 by with being threadedly coupled for feeding handle 2041, and wears
Cross feed shaft 2042 and be secured to connection sensor it can be followed to move axially, and can adjust to detection bar
2031 are effectively contacted.The feed shaft 2042 ensure that in swivel feeding handle 2041, entirely by the setting of circumferential locking
Feed arrangement 204 carries out unnecessary rotation.
The disclosure do not limit above-mentioned feed shaft 2042 by circumferential locking and can in an axially slidable way, alternatively,
In present embodiment, the feed shaft 2042 is that cross section is the cylinder of major arc arch.During processing, feed shaft 2042 is processed first
It is cylinder, then axial cutting is carried out to it, so as to be formed in the rotation stop plane on cylinder periphery, that is, obtains cross section for major arc
The cylinder of arch, accordingly, the hole coordinated with it in turnbarrel 201 has same shape, i.e. the two positive.By this
Kind of mode, the circumferential locking that can realize to feed shaft 2042 with simplest means, so as to prevent feed arrangement 204 in non-work
Axial-rotation is carried out as state, and unnecessary rotation is carried out in swivel feeding handle 2041, and by rotation stop plane
The slip of feed shaft 2042 can also be realized.Further optionally, in the present embodiment, feeding handle 2041 and turnbarrel
Second bearing 205 is provided between 201 so that feeding handle 2041 can preferably carry out axial direction relative to turnbarrel 201
Rotate, reduce frictional resistance.Specifically, the part that feeding handle 2041 is installed on turnbarrel 201 is formed as hierarchic structure,
Consequently facilitating installing second bearing 205.
To sum up, present disclose provides a kind of MEASURING THE THERMAL EXPANSION COEFFICIENT instrument, the instrument is by turnbarrel 201 relative to branch
The axial rotation motion of frame base 202 is overturn sample holder 203, so as to high temp samples to be poured out the material being correspondingly arranged
In case.Can not only avoid manually removing the danger that high temp samples are burned in this way, and operating process is simple, carries
The service efficiency of the instrument high.The MEASURING THE THERMAL EXPANSION COEFFICIENT instrument that the other disclosure is provided is gone back by setting feed arrangement 204
Can realize that sensor is axially carrying out position adjustments with close to or away from the end of detection bar 2031 such that it is able to according to sample
Size adjusting position, so that sensor and detection bar 2031 are effectively contacted, obtains more accurate data.
Describe the preferred embodiment of the disclosure in detail above in association with accompanying drawing, but, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, various letters can be carried out with technical scheme of this disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy is no longer separately illustrated.
Additionally, can also be combined between a variety of implementation methods of the disclosure, as long as it is without prejudice to originally
Disclosed thought, it should equally be considered as disclosure disclosure of that.