CN214277834U - Specific surface area tester - Google Patents
Specific surface area tester Download PDFInfo
- Publication number
- CN214277834U CN214277834U CN202120531669.9U CN202120531669U CN214277834U CN 214277834 U CN214277834 U CN 214277834U CN 202120531669 U CN202120531669 U CN 202120531669U CN 214277834 U CN214277834 U CN 214277834U
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- China
- Prior art keywords
- surface area
- specific surface
- groove
- spring
- apron
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- 230000008878 coupling Effects 0.000 claims abstract description 10
- 238000010168 coupling process Methods 0.000 claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 claims abstract description 10
- 238000003780 insertion Methods 0.000 claims description 17
- 230000037431 insertion Effects 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 abstract description 11
- 239000000428 dust Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- Details Of Measuring And Other Instruments (AREA)
Abstract
The utility model relates to a specific surface area apparatus, including a bottom plate and rigid coupling in the specific surface area apparatus body of bottom plate upside, the upside rigid coupling of bottom plate has a protective cover, specific surface area apparatus body is arranged in the protective cover, an opening has been seted up to one side of protective cover, open-ended position is provided with one and can seals open-ended apron, one side of apron is rotated and is connected in open-ended one side, just be provided with a fixing device between protective cover and the apron, this application has the effect that can reduce the dust and get into the apparatus when not using the instrument.
Description
Technical Field
The application relates to the field of measuring instruments, in particular to a specific surface area determinator.
Background
The specific surface, also called specific surface area, refers to the surface area of 1g of solid matter, which includes the sum of the internal and external surface areas, commonly indicated by the symbol SA, and has the unit of m2/g, which is one of the most important physicochemical parameters characterizing the properties of the solid matter. The specific surface area of the material is influenced by various factors, including the pore structure inside the material and the roughness of the surface of the material.
The relevant referenceable bulletin numbers are: the utility model discloses a CN209296534U utility model relates to an automatic measuring instrument for specific surface area of cement, which comprises a control panel, a frame integrally connected to one side of the control panel and a U-shaped tube arranged on the frame, wherein a fixing device for fixing the U-shaped tube is arranged on the frame and between the U-shaped tube, and comprises a passive clamping component embedded on the frame and an active clamping component arranged separately from the passive clamping component; the active clamping assembly comprises an arc plate matched with the outer diameter of the U-shaped pipe, lug plates symmetrically fixedly connected to two sides of the arc plate, a sliding rod penetrating through the lug plates and connected with the lug plates in a sliding manner, and a locking bar vertically fixedly connected to one end, close to the rack, of the sliding rod; the passive clamping assembly comprises a cylindrical tube embedded in the rack and an end plate fixedly connected to one end of the fixed tube, the cylindrical tube is located on two sides of the vertical tube of the U-shaped tube, and the end plate is provided with a jack for inserting the locking bar. The utility model has the advantages that the staff of being convenient for carries out the dismouting to U type pipe, has improved work efficiency.
In view of the above-mentioned related technologies, the inventor believes that after a measurement instrument is used, a measurement device on the instrument is completely exposed, and is easily damaged and enters dust, which affects the later use and further affects the measurement accuracy.
SUMMERY OF THE UTILITY MODEL
In order to reduce dust entering a measuring instrument when the instrument is not used, the application provides a specific surface area measuring instrument.
The specific surface area tester provided by the application adopts the following technical scheme:
the utility model provides a specific surface area apparatus, includes a bottom plate and rigid coupling in the specific surface area apparatus body of bottom plate upside, the upside rigid coupling of bottom plate has a protection cover, specific surface area apparatus body is arranged in the protection cover, an opening has been seted up to one side of protection cover, open-ended position is provided with one and can seals open-ended apron, one side of apron is rotated and is connected in open-ended one side, just be provided with a fixing device between protection cover and the apron.
Through adopting above-mentioned technical scheme, when not using specific surface area apparatus, can seal the apron of safety cover to fixing device fixes, reduced the dust and got into the apparatus, keep the precision of instrument, and when using the instrument, can open the apron, the staff of being convenient for operates the instrument.
Optionally, a protrusion is fixedly connected to one side of the cover plate away from the hinge-joint opening, and a groove penetrating through the protrusion is formed on the surface of the protrusion.
Through adopting above-mentioned technical scheme, the staff can rotate the apron through stretching into the recess with the hand, the staff's of being convenient for operation.
Optionally, the fixing device comprises a swing rod which is rotatably connected to the side edge of the protection cover, and the swing rod can be clamped in the groove.
Through adopting above-mentioned technical scheme, rotate the pendulum rod and can rotate the apron to being close to the pendulum rod, rotate pendulum rod to the horizontality, with the pendulum rod joint in the recess, fix the apron, avoid the apron to remove at will.
Optionally, the apron is the apron of rubber material, the safety cover is kept away from open-ended one side and has been seted up a perpendicular groove, the lug can be inserted and is located perpendicular inslot, a cross slot has been seted up to one side of perpendicular groove, the cross slot with erect the groove intercommunication, the cross slot slides along the length direction of cross slot and is connected with an inserted block, the rigid coupling has a spring in the cross slot, the spring is close to the one end rigid coupling that erects the groove and locates the inserted block, and under the normality, the spring can promote the inserted block and tend to erect the inslot and remove, and the inserted block can insert and locate the recess.
Through adopting above-mentioned technical scheme, keep away from the pendulum rod direction with the apron and rotate, the open-ended one side is kept away from until the safety cover in the outside laminating safety cover of apron, and at this moment, the position that the lug was arranged in the vertical slot is inserted and is located vertical slot, promotes the spring compression and inserts the inserted block in the transverse slot, inserts the lug back vertical slot, and the spring replies the normality, and the inserted block can be inserted and is located vertical slot, fixes the lug to this is fixed the apron.
Optionally, an inclined surface is formed on one side of the insertion block, which is far away from the spring, and one side of the inclined surface, which is far away from the opening, inclines towards the direction close to the spring.
Through adopting above-mentioned technical scheme, can directly push the lug in erecting the inslot through setting up the inclined plane, the staff of being convenient for uses.
Optionally, the position of the transverse groove corresponding to the spring is fixedly connected with a fixed column, the fixed column and the spring are coaxially arranged, one side of the insertion block close to the spring is fixedly connected with an insertion column, and the insertion column penetrates through the fixed column.
Through adopting above-mentioned technical scheme, the fixed column can lead the removal of inserted block with inserting the post, and the restriction inserted block only can remove along the length direction of cross slot, avoids the inserted block skew.
Optionally, one end of the insertion column far away from the insertion block is fixedly connected with a hanging rope, and one end of the hanging rope far away from the insertion column extends to the peripheral surface of the fixing column.
Through adopting above-mentioned technical scheme, hang the rope and can just spur the post of inserting, be convenient for pull out the inserted block outside the recess to this can remove the apron.
Optionally, a rubber pad is fixedly connected to one side of the vertical groove, which is far away from the transverse groove.
Through adopting above-mentioned technical scheme, the rubber pad can promote and the lug between frictional force, reduce the lug and rock and to the wearing and tearing of lug in erecting the groove.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the specific surface area measuring instrument is not used, the cover plate of the protective cover can be sealed and fixed by the fixing device, so that dust is prevented from entering the measuring instrument, the precision of the instrument is kept, and when the instrument is used, the cover plate can be opened, so that a worker can conveniently operate the instrument;
2. the worker can put the hand into the groove and rotate the cover plate, so that the worker can operate the cover plate conveniently;
3. the cover plate can be rotated to be close to the swing rod by rotating the swing rod, the swing rod is rotated to be in a horizontal state, the swing rod is clamped in the groove, the cover plate is fixed, and the cover plate is prevented from moving randomly;
4. keep away from the pendulum rod direction with the apron and rotate, the open-ended one side is kept away from until the safety cover in the outside laminating safety cover of apron, and at this moment, the position that the lug was arranged in the vertical groove is inserted and is located vertical groove, promotes the spring compression and inserts the inserted block in the transverse groove, inserts the lug back vertical groove, and the spring returns the normality, and the inserted block can be inserted and is located vertical groove, fixes the lug to this is fixed the apron.
Drawings
FIG. 1 is a schematic structural view of a specific surface area measuring instrument according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram showing a vertical groove in the embodiment of the present application.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Description of reference numerals: 1. a base plate; 11. a specific surface area meter body; 2. a protective cover; 21. an opening; 22. a cover plate; 221. a bump; 222. a groove; 23. a swing rod; 24. a vertical slot; 241. a rubber pad; 25. a transverse groove; 251. fixing a column; 252. inserting a column; 253. a spring; 254. hanging a rope; 26. inserting a block; 261. a bevel.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a specific surface area tester.
Referring to fig. 1, a specific surface area measuring instrument includes a bottom plate 1, a specific surface area measuring instrument body 11 is fixed to an upper side of the bottom plate 1, a protective cover 2 is fixed to an upper side of the bottom plate 1, and the specific surface area measuring instrument body 11 is disposed in the protective cover 2.
Referring to fig. 1, an opening 21 is opened on one side of the protection cover 2, a cover plate 22 made of rubber is arranged on one side of the protection cover 2 corresponding to the opening 21, one side of the cover plate 22 is rotatably connected to one side of the opening 21, a rotation axis of the cover plate 22 is vertically arranged, the cover plate 22 is far away from and rotatably connected to one side of the opening 21 through a bump 221, the bump 221 is vertically arranged, a groove 222 penetrating through the bump 221 is formed in the surface of the bump 221, a fixing device is arranged between the protection cover 2 and the cover plate 22 and comprises a swing rod 23 rotatably connected to the protection cover 2, the rotation axis of the swing rod 23 is identical to the width direction of the protection cover 2, the swing rod 23 can be connected into the groove 222 in a clamping manner, when the cover plate 22 is rotated to the position where the bump 221 is close to the swing rod 23, the swing rod 23 is connected into the groove 222 in a horizontal state in a clamping manner, and the cover plate 22 is fixed.
Referring to fig. 2 and 3, a vertical groove 24 is vertically formed in one side of the protection cover 2 away from the opening 21, a horizontal groove 25 communicated with the vertical groove 24 is formed in a position, corresponding to the vertical groove 24, of one side of the protection cover 2 away from the opening 21, the length direction of the horizontal groove 25 is the same as that of the protection cover 2, the protrusion 221 can be inserted into the vertical groove 24, and a rubber pad 241 is fixedly connected to one side of the vertical groove 24 away from the horizontal groove 25.
Referring to fig. 3, a fixing post 251 is fixedly connected in the transverse slot 25, the axial direction of the fixing post 251 is the same as the length direction of the transverse slot 25, an insertion post 252 is inserted in one end of the fixing post 251 close to the vertical slot 24, the insertion post 252 is coaxially arranged with the fixing post 251, one end of the insertion post 252 far from the fixing post 251 is fixedly connected with an insertion block 26, one side of the insertion block 26 far from the spring 253 is provided with an inclined surface 261, one side of the inclined surface 261 far from the opening 21 tends to incline towards the direction close to the spring 253, the fixing post 251 is externally sleeved with a spring 253, one end of the spring 253 is fixedly connected with one end of the transverse slot 25 far from the vertical slot 24, the other end of the spring 253 is fixedly connected with one side of the insertion block 26 close to the insertion post 252, in a normal state, the spring 253 can push the insertion block 26 to tend to the vertical slot 24 to move and extend into the vertical slot 24, and the insertion block 26 can be clamped in the groove 222, the cover plate 22 can be rotated towards the direction far from the opening 21, because the cover plate 22 is made of rubber material, the cover plate 22 can be bent to one side of the opening 21 of the protective cover 2, the protrusion 221 is inserted into the vertical slot 24, during the process of pushing the protrusion 221, the insert 26 is pushed to move away from the vertical slot 24 and compress the spring 253, and when the protrusion 221 is inserted into the vertical slot 24, the spring 253 returns to the normal state to push the insert 26 into the groove 222.
Referring to fig. 3, a hanging rope 254 is fixedly connected to one end of the plug 252 away from the plug 26, one end of the hanging rope 254 away from the plug 252 extends to the outer peripheral surface of the fixing column 251, and when the cover plate 22 needs to be moved, the hanging rope 254 is pulled, the plug 26 moves away from the groove 222, and the protrusion 221 can be taken out, and the cover plate 22 is moved.
The implementation principle of a specific surface area tester in the embodiment of the application is as follows: when the specific surface area tester does not work, the cover plate 22 tends to the swing rod 23 to rotate, the swing rod 23 rotates to be in a horizontal state and is clamped in the groove 222, the cover plate 22 is fixed, and instruments in the protective cover 2 are prevented from dust; when the instrument is used for working, the cover plate 22 is opened, the cover plate tends to rotate in the direction away from the swing rod 23, the lug 221 is rotated on one side of the protective cover 2 away from the opening 21 due to the fact that the cover plate 22 is made of rubber, the lug 221 and the insert 26 are erected in the groove 24, the insert 26 can be pushed into the groove 222 under the action of the spring 253, the lug 221 is fixed, and the cover plate 22 is fixed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a specific surface area apparatus, includes a bottom plate (1) and rigid coupling in specific surface area apparatus body (11) of bottom plate (1) upside, its characterized in that: the upside rigid coupling of bottom plate (1) has a safety cover (2), specific surface area apparatus body (11) are arranged in safety cover (2), an opening (21) has been seted up to one side of safety cover (2), the position of opening (21) is provided with one and can seals apron (22) of opening (21), one side of apron (22) is rotated and is connected in one side of opening (21), just be provided with a fixing device between safety cover (2) and apron (22).
2. A specific surface area measuring instrument according to claim 1, wherein: a convex block (221) is fixedly connected to one side of the cover plate (22) far away from the side hinged to the opening (21), and a groove (222) penetrating through the convex block (221) is formed in the surface of the convex block (221).
3. A specific surface area measuring instrument according to claim 1, wherein: fixing device is including rotating pendulum rod (23) of connecting in safety cover (2) side, pendulum rod (23) can the joint in recess (222).
4. A specific surface area measuring instrument according to claim 1, wherein: fixing device is including rotating pendulum rod (23) of connecting in safety cover (2) side, pendulum rod (23) can the joint in recess (222).
5. A specific surface area measuring instrument according to claim 2, wherein: apron (22) are the apron (22) of rubber material, one side that opening (21) was kept away from in safety cover (2) has seted up one and has erected groove (24), lug (221) can be inserted and locate in erecting groove (24), a cross slot (25) have been seted up to one side of erecting groove (24), cross slot (25) and perpendicular groove (24) intercommunication, the length direction of cross slot (25) is followed in cross slot (25) and is slided and be connected with an inserted block (26), the rigid coupling has a spring (253) in cross slot (25), one end rigid coupling that spring (253) are close to perpendicular groove (24) is in inserted block (26), and under the normality, spring (253) can promote inserted block (26) and tend to erect and move in groove (24), and inserted block (26) can insert and locate recess (222).
6. A specific surface area measuring instrument according to claim 5, wherein: an inclined surface (261) is formed in one side, away from the spring (253), of the insertion block (26), and one side, away from the opening (21), of the inclined surface (261) inclines towards the direction close to the spring (253).
7. A specific surface area measuring instrument according to claim 5, wherein: a fixed column (251) is fixedly connected to the position, corresponding to the spring (253), of the transverse groove (25), the fixed column (251) and the spring (253) are coaxially arranged, an inserting column (252) is fixedly connected to one side, close to the spring (253), of the inserting block (26), and the inserting column (252) penetrates through the fixed column (251).
8. A specific surface area measuring instrument according to claim 5, wherein: one side of the vertical groove (24) far away from the transverse groove (25) is fixedly connected with a rubber pad (241).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120531669.9U CN214277834U (en) | 2021-03-13 | 2021-03-13 | Specific surface area tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120531669.9U CN214277834U (en) | 2021-03-13 | 2021-03-13 | Specific surface area tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214277834U true CN214277834U (en) | 2021-09-24 |
Family
ID=77793986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120531669.9U Expired - Fee Related CN214277834U (en) | 2021-03-13 | 2021-03-13 | Specific surface area tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214277834U (en) |
-
2021
- 2021-03-13 CN CN202120531669.9U patent/CN214277834U/en not_active Expired - Fee Related
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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: 20210924 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |