CN207114372U - Rotary viscometer - Google Patents

Abstract

It the utility model is related to a kind of rotary viscometer, belong to viscosity measuring apparatus field, including base and rotor, it is provided between base and rotor for clamping the clamping device equipped with testing liquid container, clamping device is fixed on base by fixed plate, clamping device includes relative two clamping plate positioned at rotor both sides, two clamping plates are promoted to the close or remote transmission mechanism of rotor direction, and the dynamical element of power is provided for transmission mechanism, transmission mechanism one end is fixedly connected with clamping plate, the other end of transmission mechanism is fixedly connected with dynamical element, it is fixedly connected with the locked locked component of transmission mechanism on transmission mechanism.The advantages of with beaker can be avoided to be shaken in detection.

Description

Rotary viscometer

Technical field

Viscosity measuring apparatus field is the utility model is related to, more particularly to a kind of rotary viscometer.

Background technology

In production and scientific research, it is often necessary to the viscosity of liquid, fluid is measured, rotary viscosity measuring instrument is exactly normal A kind of measuring instrument, it can carry out viscosity measurement to fluids such as Newtonian fluid, plastic fluid, pseudoplastic fluids.

Known rotary viscosity measuring instrument is to be rotated by synchronous motor with stable speed, connects dial disc, is passing through Hairspring and the rotation of rotating shaft rotor driven, if rotor is not affected by the resistance of liquid, hairspring, pointer and dial rotate at the same speed, The reading that pointer is pointed out on dial is " 0 "., whereas if viscosity resistance of the rotor by liquid, then hairspring produces moment of torsion, Contended with viscosity resistance and finally reach balance, the pointer being at this moment connected with hairspring indicates that certain reading (is swum on dial The torsion angle of silk).Reading is multiplied by the viscosity that specific coefficient obtains liquid.

But in detection, it is necessary to rotor rotates in liquid, because liquid rotates, rocking for container is easily caused, is held It is inaccurate to easily cause detection liquid, the data of fluid.

Utility model content

The purpose of this utility model is to provide a kind of rotary viscometer, and it has and can avoid beaker when detecting The advantages of rocking.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of rotary viscometer, including base and rotor, it is provided between base and rotor and prepare liquid is housed for clamping The clamping device of body container, clamping device are fixed on base by fixed plate, and clamping device includes the phase positioned at rotor both sides To two clamping plates, it and is transmission mechanism to the close or remote transmission mechanism of rotor direction to promote two clamping plates The dynamical element of power is provided, transmission mechanism one end is fixedly connected with clamping plate, and the other end and the dynamical element of transmission mechanism are consolidated It is fixed to connect, it is fixedly connected with transmission mechanism by the locked locked component of transmission mechanism.

By using above-mentioned technical proposal, the power for being provided dynamical element by transmission mechanism passes to clamping plate, made Clamping plate is to the center of base 1 closer or far from so as to secure the container on the center of base, making container stable The lower section for being fixed on rotor, avoid container from producing and rock because of fluid flow inside when detection.

The utility model is further arranged to：The dynamical element includes motor, handwheel, handle etc..

By using above-mentioned technical proposal, power is provided for transmission mechanism by motor, handwheel or handle.

The utility model is further arranged to:Transmission mechanism includes turning through fixed plate and with what fixed plate revolution connected Moving axis, the length direction of rotary shaft are fixedly connected with rotate gear towards the axis of rotor, rotary shaft towards one end of rotor, Relatively rotated in fixed plate on the symmetrical position of gear centre and slidably connect two relative mobile racks, mobile rack is parallel In the surface of base, mobile rack is meshed with rotate gear.

By using above-mentioned technical proposal, rotated by rotary shaft, drive rotate gear to rotate, rotate gear drives movement Rack to rotate gear direction closer or far from.

The utility model is further arranged to:The chute slided for mobile rack is provided with fixed plate, the chute is T-slot.

By using above-mentioned technical proposal, limited by T-shaped chute, prevent mobile rack from departing from fixed plate.

The utility model is further arranged to:Mobile rack is extended with sliding block towards one end of fixed plate, and sliding block is away from shifting One end of carry-over bar is extended with flange, and flange is engaged with chute.

By using above-mentioned technical proposal, coordinated by sliding block upper flange and chute, mobile rack is connected with slide Connect, and mobile rack will not depart from fixed plate.

The utility model is further arranged to:Clamping plate towards a side surface of rotor direction be in arc-shaped, circular arc concave surface Towards rotor.

By using above-mentioned technical proposal, increase the contact area of clamping plate and container, increase clamping force, make container more It is stably fixed on base.

The utility model is further arranged to:Locking device includes being fixedly connected on transmission mechanism connection dynamical element one The ratchet at end, and it is hinged on the ratchet coordinated in fixed plate with ratchet.

By using above-mentioned technical proposal, by ratchet and click-fit, when clamping container, pass through the locked spine of ratchet Wheel, prevents it from rotating backward, and so as to ensure to clamp board clamping container, will not produce loosening.

In summary, the utility model has the advantages that：The power that dynamical element is provided by transmission mechanism Clamping plate is passed to, makes clamping plate to the center of base 1 closer or far from so as to secure the container in the centre bit of base Put, container is stably fixed to the lower section of rotor, avoid container from producing rolling because of fluid flow inside when detection It is dynamic.And ensureing rotor simultaneously when container is entered, rotor is located at the center of container.

Brief description of the drawings

Fig. 1 is the axonometric drawing schematic diagram of rotary viscometer；

Fig. 2 is the lateral structure schematic diagram of rotary viscometer；

Fig. 3 is the exploded perspective view of fixed plate, base, clamping device and locking mechanism.

In figure, 1, base；2nd, column；3rd, motor is detected；4th, adjusting gear rack；5th, adjusting handle；6th, container；7th, rotor；8、 Fender bracket；9th, clamping device；91st, clamping plate；92nd, transmission mechanism；921st, rotary shaft；922nd, rotate gear；923rd, mobile rack； 924th, sliding block；9241st, flange；923rd, dynamical element；10th, fixed plate；101st, chute；11st, locking mechanism；111st, ratchet；112、 Ratchet；113rd, pin.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

A kind of rotary viscosimeter instrument, as shown in Figure 1 and Figure 2, including base 1, one end of base 1 are provided perpendicular to base 1 Column 2, detection motor 3 is slidably connected on column 2, adjusting gear rack 4 is set on column 2 along in the short transverse of column 2, is adjusted Section rack 4 is fixedly connected on column 2.The inside of detection motor 3 is provided with the adjustment gear being engaged with adjusting gear rack 4, adjusts tooth The adjusting handle 5 for rotating adjustment gear is fixedly connected with wheel, when work, rotates adjusting handle 5, by adjustment gear with Adjusting gear rack 4 coordinates, and drives detection motor 3 to carry out the regulation of height on column 2.Detect and be connected with the output shaft of motor 3 The rotor 7 of liquid viscosity in hydrostatic column 6 on base 1 is placed on for detecting, rotor 7 has different model, according to detection Liquid, selects the rotor 7 of different model, and rotor 7 is set perpendicular to base 1.Fender bracket 8 is provided with below detection motor, is protected Retaining frame 8 is threadedly secured on detection motor 3.

Between rotor 3 and base 1, it is provided with clamping device 9 nearly, clamping device 9 by container 6 and passes through fixed plate 10 It is fixed on base 1.Clamping device 9 is fixedly connected with the locking mechanism 11 for pinning clamping device, will by locking mechanism 11 Clamping device 9 is maintained in the state of clamping container 6.Prevent clamping device 9 from being unclamped with container 6.Wherein fixed plate 10 is vertically solid It is scheduled on one end of base 1, and the surface of fixed plate 10 is towards the direction of rotor 7.

As shown in Figure 2 and Figure 3, clamping device 9 includes the clamping plate 91 for being used to clamp container 6 positioned at the both sides of rotor 7, band Two clamping plates 91 are moved to provide to the side of rotor 7 to the close or remote transmission mechanism 92 in the direction of rotor 7, and for clamping plate 91 To the dynamical element 93 closer or far from power.Wherein dynamical element 93 includes motor, handle or handwheel.

As shown in Figure 2 and Figure 3, transmission mechanism 92 includes the rotary shaft connected through fixed plate 10 and with the revolution of fixed plate 10 921, the axis of rotary shaft 921 is towards the axis of rotor 7.In rotary shaft close to one end of rotor 7, rotation is fixedly connected with Gear 922, in 922 centrosymmetric upper and lower ends of rotate gear, it is provided with the mobile rack 923 coordinated with rotate gear 922. Mobile rack 923 is slidably connected by sliding block 924 and fixed plate 10, is wherein provided with fixed plate 10 and is relatively rotated gear 922 Centrosymmetric chute 101, two chutes 101 are parallel with the surface of base 1, and chute is T-slot.Sliding block 924 is away from mobile One end of rack 923 is extended with flange 9241, is matched by flange 9241 and chute 101, so as to which mobile rack 923 be stuck in In fixed plate 10, prevent mobile rack 923 from departing from fixed plate 101.

In mobile rack 923 close to the side of rotor 7, the clamping plate 91 for clamping container is fixedly connected with, wherein pressing from both sides Tight plate 91 is in arc-shaped towards a side surface of base rotor 7, and circular arc concave surface is towards the direction of rotor 7.

As shown in Figure 1, Figure 3, locking mechanism 11 includes the ratchet 111 backwards to the side surface of rotor 7 one, spine positioned at fixed plate 10 Wheel 111 is fixedly connected in rotary shaft 921, and the ratchet 112 being engaged with ratchet 111, ratchet 112 are provided with fixed plate 10 It is hinged on by pin 113 in fixed plate 10.And ratchet 112 is located at the oblique upper of ratchet 111.Pass through ratchet 112 and ratchet 111 It is engaged, is rotated forward so as to limit rotary shaft 921.

In summary, when being tested, drive rotary shaft 921 to invert by dynamical element 93, pass through rotate gear 922 Coordinate with mobile rack 923, clamping plate 91 is moved to the direction of rotor 7, so as to which the container 6 being placed on base 1 be clamped simultaneously Rotor 7 is set to be located at the top of the center of container 6.Ratchet 112 is stuck on ratchet 111, rotary shaft 921 is turned from forward direction It is dynamic, so as to prevent clamping plate 91 from being unclamped with container 6.Adjusting handle 5 is rotated, the height of rotor 7 is adjusted, rotor 7 is located at container 6 Inside, it is in contact with the liquid in container 6, opens detection motor 3, rotor driven 7 rotates, and carries out the viscosity measurement of liquid.

After measurement, ratchet 112 is unclamped, rotates forward rotary shaft 921, make clamping plate 91 to the side away from rotor 7 To movement, so as to unclamp container 6.

This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in right of the present utility model by Patent Law.

Claims (7)

1. a kind of rotary viscometer, including base（1）And rotor（7）, it is characterised in that：The base（1）With rotor（7）Between It is provided with and testing liquid container is housed for clamping（6）Clamping device（9）, the clamping device（9）Pass through fixed plate（10） It is fixed on base（1）On, the clamping device（9）Including positioned at rotor（7）Relative two clamping plate of both sides（91）, promote Two clamping plates（91）The transmission mechanism close or remote to rotor direction（92）, and be transmission mechanism（92）Power is provided Dynamical element（93）, the transmission mechanism（92）One end and clamping plate（91）It is fixedly connected, transmission mechanism（92）The other end It is fixedly connected with dynamical element, the transmission mechanism（92）On be fixedly connected with the locked locking mechanism of transmission mechanism（11）.

2. rotary viscometer according to claim 1, it is characterised in that：The dynamical element（93）Be motor or handwheel or Handle.

3. rotary viscometer according to claim 1, it is characterised in that：The transmission mechanism（92）Including through described solid Fixed board（10）And and fixed plate（10）Turn round the rotary shaft of connection（921）, the rotary shaft（921）Length direction towards rotor （7）Axis, the rotary shaft（921）Towards rotor（7）One end be fixedly connected with rotate gear（922）, the fixation Plate（10）Upper relative rotation gear（922）Two relative mobile racks are slidably connected on centrosymmetric position（923）, institute State mobile rack（923）Parallel to base（1）Surface, the mobile rack（923）With rotate gear（922）It is meshed.

4. rotary viscometer according to claim 3, it is characterised in that：The fixed plate（10）On be provided with for mobile tooth Bar（923）The chute of slip（101）, the chute（101）For T-slot.

5. rotary viscometer according to claim 4, it is characterised in that：The mobile rack（923）Towards fixed plate （10）One end be extended with sliding block（924）, the sliding block（924）Away from mobile rack（923）One end be extended with flange （9241）, the flange（9241）With chute（101）It is engaged.

6. rotary viscometer according to claim 1, it is characterised in that：The clamping plate（91）Towards rotor（7）Direction A side surface be in arc-shaped, circular arc concave surface is towards rotor（7）.

7. rotary viscometer according to claim 1, it is characterised in that：The locking mechanism（11）Including being fixedly connected on Transmission mechanism（92）On ratchet（111）, and pass through pin（113）It is hinged on fixed plate（10）Upper and ratchet（111）Coordinate Ratchet（112）.