CN208711758U - A kind of adjusting dropping constant volume formula buret stand - Google Patents
A kind of adjusting dropping constant volume formula buret stand Download PDFInfo
- Publication number
- CN208711758U CN208711758U CN201821018043.2U CN201821018043U CN208711758U CN 208711758 U CN208711758 U CN 208711758U CN 201821018043 U CN201821018043 U CN 201821018043U CN 208711758 U CN208711758 U CN 208711758U
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- China
- Prior art keywords
- wall
- bolted
- vertically arranged
- constant volume
- opening
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of adjusting dropping constant volume formula buret stands, including support base, the support plate being vertically arranged is bolted in the center of top outer wall of the support base, outer wall offers the first groove being vertically arranged in the middle part of one end of the support plate, and first the inner wall of groove the slide rail being vertically arranged is bolted, one end outer wall of the slide rail slidably connects damping slide block, and horizontally disposed supporting sleeve has been bolted in the other end outer wall of damping slide block.The utility model proposes a kind of adjusting dropping constant volume formula buret stand, by being provided with electric telescopic rod, and one end of electric telescopic rod is provided with limited block, the position of adjusting limited block can be passed through, the volume that needs titrate is determined in conjunction with the scale on transparent plastic window, in titration, sliding plunger is pushed to move up, stop until being moved to limited block, the effect for adjusting titration volume can be realized.
Description
Technical field
The utility model relates to technical field of chemistry more particularly to a kind of adjusting dropping constant volume formula buret stands.
Background technique
With the development of society, the progress of science and technology, chemical field are also constantly developing, in chemical field, usually can
A kind of buret is used, buret refers to the measuring device that titrant solution is contained in titration operation.Buret is a kind of elongated, interior
Diameter is uniform in size and has graduated glass tube, and there is glass point mouth in the lower end of pipe, the volume for having 25ml, 50ml etc. different.
In use, usually need to be fixed, a kind of buret stand can used to buret, however, chemistry at present
Titration can only be all fixed in the buret and buret stand used in experiment mostly, can not adjust the appearance of titration as needed
Product, therefore, it is necessary to design the novel adjusting dropping constant volume formula buret stand of one kind to solve the above problems.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of adjusting dropping constant volume proposed
Product formula buret stand.
To achieve the goals above, the utility model adopts the technical scheme that
The center of top outer wall of a kind of adjusting dropping constant volume formula buret stand, including support base, the support base is logical
The support plate for being bolted and being vertically arranged is crossed, it is recessed to offer first be vertically arranged for outer wall in the middle part of one end of the support plate
Slot, and the slide rail being vertically arranged is bolted in the inner wall of the first groove, one end outer wall of the slide rail is sliding
It is dynamic to be connected with damping slide block, and horizontally disposed supporting sleeve has been bolted in the other end outer wall of damping slide block, it is described
The circumference both ends inner wall of supporting sleeve slidably connects horizontally disposed support rod, and the top exterior walls of two support rods are all provided with
It is equipped with equidistant equally distributed latch groove, the top two sides outer wall of the supporting sleeve is provided with the first opening, and first
The inner wall of opening slidably connects Fixed latches, and the middle side part outer wall that is located remotely from each other of two support rods passes through bolt
It is connected with fixing clamp, the clamping opening inner wall clamping connection of one of them fixing clamp has titration tube body, and titrates the circumference side of tube body
The circumference side outer wall of the fixed hook that bottom outer wall is arranged by bolt even level, the titration tube body is bolted
There are two the fixed rings of adjacent level setting, and the collar extension inner wall of two fixed rings is connected with fixed hook, and two described solid
Surely the same seal box being vertically arranged, the top side of the seal box is bolted in the other side outer wall linked up with
Outer wall is provided with the second opening, and the inner wall of the second opening is welded with the gas-guide tube of setting setting, the bottom one of the seal box
Side outer wall is provided with third opening, and the inner wall of third opening and the circumference bottom outer wall of gas-guide tube are welded.
Preferably, the electric telescopic rod being vertically arranged is bolted in the top other side inner wall of the seal box,
And horizontally disposed supporting block has been bolted in the bottom outer wall of electric telescopic rod.
Preferably, the circumference side outer wall of the gas-guide tube is provided with the second groove being vertically arranged, and the second groove
The outer circumferential walls of inner wall and supporting block are slidably connected.
Preferably, the circumferential inner wall of the gas-guide tube slidably connects sliding plunger, and the bottom outer wall of sliding plunger is logical
The annular seal plate for being bolted and being vertically arranged is crossed, the outer circumferential walls of annular seal plate and the circumferential inner wall of gas-guide tube slide and connect
It connects.
Preferably, the catch bar being vertically arranged is bolted in the bottom center outer wall of the sliding plunger, and close
Battery has been bolted in the other side top exterior walls of jacket.
Preferably, one end outer wall of the gas-guide tube has been connected through a screw thread sealing nut, and the circumference of sealing nut is another
One end inner wall is connect by screw thread with the peripheral top outer wall for titrating tube body, and one end outer wall of seal box is provided with the 4th opening,
Plastic, transparent window has been bolted in the inner wall of 4th opening.
Preferably, the electric telescopic rod is connected with switch by conducting wire, and switchs and electrically connected by conducting wire with battery
It connects.
The utility model has the following beneficial effects:
1, the utility model proposes a kind of adjusting dropping constant volume formula buret stand, by being provided with electric telescopic rod, and
One end of electric telescopic rod is provided with limited block, it can be by the position of adjusting limited block, in conjunction on transparent plastic window
Scale determines volume that needs titrate, in titration, sliding plunger is pushed to move up, stops until being moved to limited block,
The effect for adjusting titration volume can be realized.
2, the utility model proposes a kind of adjusting dropping constant volume formula buret stand, by the bottom of sliding plunger be arranged
There is sealing plate, when sliding plunger moves up, sealing plate can be sealed the second groove, avoided gas from leaking, led to device
It cannot work, there is very strict sealing effect.
3, the utility model proposes a kind of adjusting dropping constant volume formula buret stand, by be provided with slide rail, damping
Sliding block, supporting sleeve and Fixed latches, the height of slide rail and the adjustable buret of damping slide block, supporting sleeve and fixation
Bolt can move left and right buret, can be adjusted according to the different sizes of buret, have and easily adjust very much drop
Determine the effect of height.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of adjusting dropping constant volume formula buret stand structure sectional view；
Fig. 2 be the utility model proposes a kind of adjusting dropping constant volume formula buret stand titration tube body and structure of seal box
Cross-sectional view；
Fig. 3 be the utility model proposes a kind of adjusting dropping constant volume formula buret stand structure of seal box front view.
In figure: 1 catch bar, 2 seal boxes, 3 supporting blocks, 4 electric telescopic rods, 5 gas-guide tubes, 6 sealing nuts, 7 fixing clamps, 8
Titrate tube body, 9 titration valves, 10 supporting sleeves, 11 Fixed latches, 12 support rods, 13 slide rails, 14 support plates, 15 supports
Pedestal, 16 limited blocks, 17 sliding plungers, 18 annular seal plates, 19 fixed hooks, 20 fixed rings, 21 transparent plastic windows, 22 store
Battery.
Specific embodiment
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.
Referring to Fig.1-3, a kind of adjusting dropping constant volume formula buret stand, including support base 15, the top of support base 15
The support plate 14 being vertically arranged is bolted in central outer wall, and outer wall, which offers, in the middle part of one end of support plate 14 is vertically arranged
The first groove, and the inner wall of the first groove is bolted the slide rail 13 being vertically arranged, the one of slide rail 13
End outer wall slidably connects damping slide block, and horizontally disposed support sleeve has been bolted in the other end outer wall of damping slide block
Pipe 10, the circumference both ends inner wall of supporting sleeve 10 slidably connect horizontally disposed support rod 12, and two support rods 12
Top exterior walls are provided with equidistant equally distributed latch groove, and the top two sides outer wall of supporting sleeve 10 is provided with first and opens
Mouthful, and the inner wall of the first opening slidably connects Fixed latches 11, and two support rods 12 are located remotely from each other a middle side part outer wall
Fixing clamp 7 is bolted, the clamping opening inner wall clamping connection of one of fixing clamp 7 has titration tube body 8, and titrates tube body 8
The fixed hook 19 that is arranged by bolt even level of circumference side bottom outer wall, the circumference side outer wall of titration tube body 8 is logical
The fixed ring 20 of adjacent level setting there are two being bolted is crossed, and the collar extension inner wall of two fixed rings 20 is connected with fixation
Hook 19, the same seal box 2 being vertically arranged is bolted in the other side outer wall of two fixed hooks 19, sealing
The top side outer wall of box 2 is provided with the second opening, and the inner wall of the second opening is welded with the gas-guide tube 5 of setting setting, sealing
The bottom side outer wall of box 2 is provided with third opening, and the inner wall of third opening and the circumference bottom outer wall of gas-guide tube 5 are welded.
In the utility model, the electric expansion being vertically arranged is bolted in the top other side inner wall of seal box 2
Bar 4, and horizontally disposed supporting block 3, the circumference side of gas-guide tube 5 has been bolted in the bottom outer wall of electric telescopic rod 4
Outer wall is provided with the second groove being vertically arranged, and the inner wall of the second groove and the outer circumferential walls of supporting block 3 are slidably connected, air guide
The circumferential inner wall of pipe 5 slidably connects sliding plunger 17, and the bottom outer wall of sliding plunger 17 has been bolted and has set vertically
The annular seal plate 18 set, the outer circumferential walls of annular seal plate 18 and the circumferential inner wall of gas-guide tube 5 are slidably connected, sliding plunger 17
Bottom center outer wall the catch bar 1 being vertically arranged is bolted, and the other side top exterior walls of seal box 2 pass through spiral shell
It tethers and is connected to battery 22, one end outer wall of gas-guide tube 5 has been connected through a screw thread sealing nut 6, and the circumference of sealing nut 6 is another
One end inner wall is connect by screw thread with the peripheral top outer wall for titrating tube body 8, and one end outer wall of seal box 2 is provided with the 4th and opens
Mouthful, plastic, transparent window 21 has been bolted in the inner wall of the 4th opening, and electric telescopic rod 4 is connected with switch by conducting wire, and
Switch is electrically connected by conducting wire and battery 22.
Working principle: it in use, user adjusts damping slide block and Fixed latches 11 according to the size of buret first, adjusts
It after section, is clamped by fixing clamp 7 by tube body 8 is titrated, and to titrating solution is injected in titration tube body 8, then by fixed hook
19 are connected in fixed ring 20, and gas-guide tube 5 is fixedly connected with titration tube body 8 by sealing nut 6, then according to needing to drip
Fixed volume adjusts the dilatability of electric telescopic rod 4, and then adjusts the position of limited block 16, until with the coincidence of the scales of needs,
Then titration valve 9 is opened, catch bar 1 is pushed to start to titrate, when sliding plunger 17 is moved to limited block 16, titrates automatic knot
Beam realizes the effect for adjusting titration volume.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of adjusting dropping constant volume formula buret stand, including support base (15), which is characterized in that the support base (15)
Center of top outer wall be bolted the support plate (14) being vertically arranged, outer wall in the middle part of one end of the support plate (14)
The first groove being vertically arranged is offered, and the slide rail being vertically arranged is bolted in the inner wall of the first groove
(13), one end outer wall of the slide rail (13) slidably connects damping slide block, and the other end outer wall of damping slide block passes through
It has been bolted horizontally disposed supporting sleeve (10), the circumference both ends inner wall of the supporting sleeve (10) slidably connects water
The support rod (12) of flat setting, and the top exterior walls of two support rods (12) are provided with equidistant equally distributed latch groove,
The top two sides outer wall of the supporting sleeve (10) is provided with the first opening, and the inner wall of the first opening slidably connects admittedly
To determine bolt (11), fixing clamp (7) have been bolted in the middle side part outer wall that is located remotely from each other of two support rods (12),
The clamping opening inner wall clamping connection of one of them fixing clamp (7) has titration tube body (8), and titrates one side bottom of circumference of tube body (8)
The circumference side outer wall of the fixed hook (19) that outer wall is arranged by bolt even level, titration tube body (8) passes through bolt
There are two the fixed rings (20) of adjacent level setting for connection, and the collar extension inner wall of two fixed rings (20) is connected with fixed hook
(19), the same seal box being vertically arranged is bolted in the other side outer wall of two fixed hooks (19)
(2), the top side outer wall of the seal box (2) is provided with the second opening, and the inner wall of the second opening is welded with setting setting
Gas-guide tube (5), the bottom side outer wall of the seal box (2) be provided with third opening, and third opening inner wall and air guide
Manage the circumference bottom outer wall welding of (5).
2. a kind of adjusting dropping constant volume formula buret stand according to claim 1, which is characterized in that the seal box (2)
The top other side inner wall electric telescopic rod (4) being vertically arranged is bolted, and outside the bottom of electric telescopic rod (4)
Horizontally disposed supporting block (3) have been bolted in wall.
3. a kind of adjusting dropping constant volume formula buret stand according to claim 2, which is characterized in that the gas-guide tube (5)
Circumference side outer wall be provided with the second groove being vertically arranged, and the outer circumferential walls of the inner wall of the second groove and supporting block (3)
It is slidably connected.
4. a kind of adjusting dropping constant volume formula buret stand according to claim 3, which is characterized in that the gas-guide tube (5)
Circumferential inner wall slidably connect sliding plunger (17), and the bottom outer wall of sliding plunger (17) has been bolted and has set vertically
The annular seal plate (18) set, the outer circumferential walls of annular seal plate (18) and the circumferential inner wall of gas-guide tube (5) are slidably connected.
5. a kind of adjusting dropping constant volume formula buret stand according to claim 4, which is characterized in that the sliding plunger
(17) catch bar (1) being vertically arranged is bolted in bottom center outer wall, and outer at the top of the other side of seal box (2)
Battery (22) have been bolted in wall.
6. a kind of adjusting dropping constant volume formula buret stand according to claim 5, which is characterized in that the gas-guide tube (5)
One end outer wall be connected through a screw thread sealing nut (6), and the circumference other end inner wall of sealing nut (6) by screw thread and drop
Determine the peripheral top outer wall connection of tube body (8), one end outer wall of seal box (2) is provided with the 4th opening, the inner wall of the 4th opening
Plastic, transparent window (21) have been bolted.
7. a kind of adjusting dropping constant volume formula buret stand according to claim 6, which is characterized in that the electric telescopic rod
(4) switch is connected with by conducting wire, and switchs and is electrically connected by conducting wire and battery (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821018043.2U CN208711758U (en) | 2018-06-28 | 2018-06-28 | A kind of adjusting dropping constant volume formula buret stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821018043.2U CN208711758U (en) | 2018-06-28 | 2018-06-28 | A kind of adjusting dropping constant volume formula buret stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208711758U true CN208711758U (en) | 2019-04-09 |
Family
ID=65972324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821018043.2U Expired - Fee Related CN208711758U (en) | 2018-06-28 | 2018-06-28 | A kind of adjusting dropping constant volume formula buret stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208711758U (en) |
-
2018
- 2018-06-28 CN CN201821018043.2U patent/CN208711758U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190409 Termination date: 20210628 |