CN212040533U

CN212040533U - Volumetric flask rack is used in laboratory

Info

Publication number: CN212040533U
Application number: CN202020147248.1U
Authority: CN
Inventors: 李建辉
Original assignee: Xuzhou Shunda Steel Wheel Manufacturing Co ltd
Current assignee: Xuzhou Shunda Steel Wheel Manufacturing Co ltd
Priority date: 2020-01-24
Filing date: 2020-01-24
Publication date: 2020-12-01
Anticipated expiration: 2030-01-24

Abstract

The utility model relates to a hold technical field, and disclose a volumetric flask rack is used in laboratory, including the under casing, the limiting plate has been cup jointed in the inner chamber activity of under casing, the quantity of limiting plate is two, and fixedly connected with support between two limiting plates, the inner chamber fixedly connected with spacing groove of support, and the positive left side fixedly connected with left splint of spacing groove, the side fixedly connected with spring of spacing inslot chamber. The utility model discloses a carry out the mode of fixing to the volumetric flask of placing, utilize the interact between movable block and the spacing groove, through the flexible removal piece that drives of elasticity of spring removal, the movable block drives right splint and removes and carry out the centre gripping with left splint to the volumetric flask, and the device is not fixed the volumetric flask, and the volumetric flask can drop when receiving the touching and damage, and the life that leads to the volumetric flask is short, and the cost is practiced thrift in the extravagant problem of cost when guaranteeing volumetric flask life.

Description

Volumetric flask rack is used in laboratory

Technical Field

The utility model relates to a hold technical field, specifically be a volumetric flask rack is used in laboratory.

Background

The volumetric flask is the flat volumetric flask of thin neck pear shape, has ground glass stopper, has the marking on the neck, when the marking that shows liquid concave liquid level and capacity bottleneck portion are tangent under the temperature that indicates, the volume of solution volume mark on just and the bottle equals, and the volumetric flask superscript has temperature, capacity, scale mark, and the laboratory need place the volumetric flask on the rack after having used the volumetric flask, makes things convenient for next use.

When placing the volumetric flask on the rack, because the device is not fixed the volumetric flask, the volumetric flask can drop when receiving the touching and damage, the life that leads to the volumetric flask is short, the problem of the cost waste, simultaneously because the volumetric flask is placed in the air, cause in dust and the drop of water in the air get into the volumetric flask, the user need wash the volumetric flask when using, lead to the volumetric flask availability factor low, the poor problem of user result of use, a volumetric flask rack is used in the laboratory is released at present.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a volumetric flask rack is used in laboratory possesses the advantage of guaranteeing volumetric flask life, saving cost, high, the user excellent in use effect, has solved the problem of proposing among the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides a volumetric flask rack is used in laboratory, includes the under casing, the limiting plate has been cup jointed in the inner chamber activity of under casing, the quantity of limiting plate is two, and fixedly connected with support between two limiting plates, the inner chamber fixedly connected with spacing groove of support, and the positive left side fixedly connected with left splint of spacing groove, the side fixedly connected with spring of spacing inslot chamber, and the one end fixedly connected with movable block of spring, the bottom surface fixedly connected with transfer line of movable block, the one end of transfer line extends to the outside and the fixedly connected with right splint of spacing groove.

Carefully, the top fixedly connected with screw on under casing right side, and the inside fixedly connected with screw rod of screw, the one end of screw rod extends to the below and the fixedly connected with rocking handle of screw, the other end of screw rod extends to the top and the activity of screw and has cup jointed the locating piece, and the left side fixedly connected with curved bar of locating piece, the one end fixed connection of curved bar is on the right side of a spacing board top surface.

And carefully selecting, wherein the moving block is movably sleeved with the inner cavity of the limiting groove, and the distance value from the moving block to the side surface of the inner cavity of the limiting groove is equal to the length value of the spring.

Carefully, left splint and right splint are arc, and all seted up anti-skidding line on the opposite face of left splint and right splint.

And carefully selecting, wherein the screw rod is provided with threads matched with the screw, and the screw rod is spirally sleeved with the screw.

Carefully selecting, the left side fixedly connected with guide rail of end box inner chamber, and guide rail and limiting plate sliding connection.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a carry out the mode of fixing to the volumetric flask of placing, utilize the interact between movable block and the spacing groove, through the flexible removal piece that drives of elasticity of spring removal, the movable block drives right splint and removes and carry out the centre gripping with left splint to the volumetric flask, and the device is not fixed the volumetric flask, and the volumetric flask can drop when receiving the touching and damage, and the life that leads to the volumetric flask is short, and the cost is practiced thrift in the extravagant problem of cost when guaranteeing volumetric flask life.

2. The utility model discloses a seal the mode of saving with the volumetric flask, utilize the interact between screw rod and the screw, it removes to drive the screw rod, the screw rod through removing drives the support and embolias the under casing in and seals, when needing to use, only need with the support from the under casing in rise take off the volumetric flask can, in the dust of having avoided in the air gets into the volumetric flask, the user need wash the volumetric flask when using, lead to volumetric flask availability factor low, the poor problem of user result of use, improve user's result of use when improving the availability factor.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the structural brace of the present invention;

fig. 3 is a schematic sectional view of the structure limiting groove of the present invention.

In the figure: 1. a bottom box; 2. a limiting plate; 3. a support; 4. a guide rail; 5. a left splint; 6. a right splint; 7. a curved bar; 8. positioning blocks; 9. a screw; 10. a screw; 11. a rocking handle; 12. a limiting groove; 13. a transmission rod; 14. a spring; 15. moving the mass.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a volumetric flask holding rack for laboratory use comprises a bottom case 1, wherein two limiting plates 2 are movably sleeved in an inner cavity of the bottom case 1, a bracket 3 is fixedly connected between the two limiting plates 2, a limiting groove 12 is fixedly connected in the inner cavity of the bracket 3, a left clamping plate 5 is fixedly connected to the left side of the front surface of the limiting groove 12, the left clamping plate 5 and the right clamping plate 6 are both arc-shaped, anti-slip patterns are respectively arranged on the opposite surfaces of the left clamping plate 5 and the right clamping plate 6, the left clamping plate 5 and the right clamping plate 6 are both arc-shaped, the volumetric flask is conveniently held, the problem that the volumetric flask rotates in the left clamping plate 5 and the right clamping plate 6 is reduced, the anti-slip patterns are simultaneously arranged, the stability of the left clamping plate 5 and the right clamping plate 6 for fixing the volumetric flask is improved, a spring 14 is fixedly connected to the side surface of the inner cavity of the limiting, the moving block 15 is movably sleeved with an inner cavity of the limiting groove 12, the distance value from the moving block 15 to the side surface of the inner cavity of the limiting groove 12 is equal to the length value of the spring 14, the moving block 15 is driven to move through the elastic expansion of the spring 14 by utilizing the interaction between the moving block 15 and the limiting groove 12, the moving block 15 drives the right clamping plate 6 to move and the left clamping plate 5 to clamp the volumetric flask, the volumetric flask is not fixed by the device, the volumetric flask can fall and be damaged when being touched, the service life of the volumetric flask is short, the cost is wasted, the cost is saved while the service life of the volumetric flask is ensured, the bottom surface of the moving block 15 is fixedly connected with the transmission rod 13, one end of the transmission rod 13 extends to the outer part of the limiting groove 12 and is fixedly connected with the right clamping plate 6, the top end on the right side of the bottom box 1 is fixedly connected with the screw 9, the screw 10 is spirally sleeved with the screw 9, the screw 10 is driven to move by utilizing the interaction between the screw 10 and the screw 9, the support 3 is driven by the movable screw 10 to be sleeved into the bottom box 1 for sealing, when in use, the support 3 only needs to be lifted from the bottom box 1 to take off the volumetric flask, thereby avoiding dust in the air from entering the volumetric flask, a user needs to clean the volumetric flask when in use, which causes the problem of low use efficiency and poor use effect of the user, the use efficiency is improved and the use effect of the user is improved at the same time, one end of the screw 10 extends to the lower part of the screw 9 and is fixedly connected with a rocking handle 11, the other end of the screw 10 extends to the upper part of the screw 9 and is movably sleeved with a positioning block 8, the left side of the positioning block 8 is fixedly connected with a curved rod 7, one end of the curved rod 7 is fixedly connected to the right side of the top surface of a limiting plate 2, the left side, and guide rail 4 and limiting plate 2 sliding connection use guide rail 4 spacing to the left side of limiting plate 2, make things convenient for limiting plate 2's removal, set up guide rail 4 simultaneously, reduce the friction between support 3 and the under casing 1 for support 3 can the even movement.

The working principle is as follows: when in use, firstly, the volumetric flask is placed between the left clamping plate 5 and the right clamping plate 6, the volumetric flask extrudes the right clamping plate 6 to move rightwards, the right clamping plate 6 drives the moving block 15 to move rightwards through the transmission rod 13, the moving block 15 moves rightwards in the limiting groove 12, meanwhile, the tension spring 14 generates elasticity, the elasticity of the spring 14 tightly pulls the moving block 15, the moving block 15 drives the right clamping plate 6 to cling to the volumetric flask through the transmission rod 13, the volumetric flask is limited through the right clamping plate 6 and the left clamping plate 5, then the rocking handle 11 is shaken to drive the screw rod 10 to rotate, the screw rod 10 and the screw 9 act to drive the screw rod 10 to move downwards, the screw rod 10 drives the positioning block 8 to move downwards, the positioning block 8 drives the limiting plate 2 to move downwards on the guide rail 4 through the curved bar 7, the limiting plate 2 drives the bracket 3 to move downwards to enter the bottom box 1, from this protect the volumetric flask, when needing to use the volumetric flask, only need the reverse rocking handle 11 with support 3 from the under casing 1 in rise can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a volumetric flask rack is used in laboratory, includes under casing (1), its characterized in that: limiting plate (2) have been cup jointed in the inner chamber activity of under casing (1), the quantity of limiting plate (2) is two, and fixedly connected with support (3) between two limiting plate (2), the inner chamber fixedly connected with spacing groove (12) of support (3), and the positive left side fixedly connected with left splint (5) of spacing groove (12), the side fixedly connected with spring (14) of spacing groove (12) inner chamber, and the one end fixedly connected with movable block (15) of spring (14), the bottom surface fixedly connected with transfer line (13) of movable block (15), the one end of transfer line (13) extends to outside and fixedly connected with right splint (6) of spacing groove (12).

2. The laboratory volumetric flask placement rack of claim 1, characterized in that: top fixedly connected with screw (9) on under casing (1) right side, and the inside fixedly connected with screw rod (10) of screw (9), the one end of screw rod (10) extends to below and fixedly connected with rocking handle (11) of screw (9), locating piece (8) have been cup jointed to the top and the activity that the other end of screw rod (10) extends to screw (9), and the left side fixedly connected with curved bar (7) of locating piece (8), the one end fixed connection of curved bar (7) is on the right side of a limiting plate (2) top surface.

3. The laboratory volumetric flask placement rack of claim 1, characterized in that: the moving block (15) is movably sleeved with an inner cavity of the limiting groove (12), and the distance value from the moving block (15) to the side face of the inner cavity of the limiting groove (12) is equal to the length value of the spring (14).

4. The laboratory volumetric flask placement rack of claim 1, characterized in that: the left clamping plate (5) and the right clamping plate (6) are both arc-shaped, and anti-slip lines are arranged on the opposite surfaces of the left clamping plate (5) and the right clamping plate (6).

5. The laboratory volumetric flask placement rack of claim 2, characterized in that: the screw rod (10) is provided with threads matched with the screw (9), and the screw rod (10) is in spiral sleeve joint with the screw (9).

6. The laboratory volumetric flask placement rack of claim 1, characterized in that: the left side fixedly connected with guide rail (4) of under casing (1) inner chamber, and guide rail (4) and limiting plate (2) sliding connection.