Sampling device for chemical engineering
Technical Field
The utility model relates to the technical field of chemical engineering, in particular to a sampling device for chemical engineering.
Background
At present, in the chemical engineering experiment process, a sampling device is often required to be used, the sampling device used at present is a suction pipe generally, when the chemical liquid medicine is sampled by the suction pipe at present, the bottle cap of the bottle body for storing the chemical liquid medicine is firstly required to be taken down, then the chemical liquid medicine is sucked from the bottle body through the suction pipe, and finally the bottle cap is covered back on the bottle body.
The authorized bulletin number in the prior art is: CN207730498U, the name is a sampling device for chemical engineering, including the straw, the plug is equipped with to the outside cover of the body of straw, be provided with the through-hole that can supply the body to pass in the plug, the inside wall interference fit of body and through-hole, the outward flange department of plug is provided with the annular crimp that is used for the cover to adorn on the lateral wall of the bottleneck of bottle, be provided with the annular seal muscle that a plurality of ways distribute from top to bottom on the inside wall of annular crimp, be provided with on the lateral wall of bottleneck respectively and supply one of them annular seal muscle part card to go into in order to realize sealed annular seal groove, annular seal muscle is outwards inwards buckled gradually, annular seal groove's shape matches with annular seal muscle's shape, this patent sets up the plug through the outside of the body of straw, in this way, after taking a sample to the liquid medicine in the bottle, can realize sealing the bottle, thereby need not to use the bottle lid to seal, and then can bring the convenience for the experimenter.
However, this patent is in the use, and when the plug was put into the bottle, can produce great friction between annular seal groove and the sealing rib for the sealing rib is wearing and tearing easily and is damaged, not only makes sealed effect relatively poor, still can't fix between plug and the bottle, and it is inconvenient to take, and the practicality is relatively poor.
Disclosure of utility model
The utility model aims to provide a sampling device for chemical engineering, which solves the problems of poor practicability and inconvenient cleaning.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the sampling device for the chemical engineering comprises a bottle body and a bottle cap, wherein the top end of the bottle body is positioned in the bottle cap, and two limit rods which are symmetrically arranged are slidably arranged in the bottle body;
The bottle is characterized in that two push rods which are symmetrically arranged are slidably arranged in the bottle body, one side of each push rod is fixedly connected with a connecting rod through a screw, the top of each connecting rod is fixedly connected with a vertical rod through a screw, two push rods which are symmetrically arranged are slidably arranged in the bottle cap, one side of each push rod is fixedly connected with a pressing block through a screw, and a stop block is fixedly sleeved on each push rod.
Preferably, the inside of bottle lid has offered the screw hole, the inside of screw hole is through screw fixedly connected with annular piece, the inside threaded connection of screw hole has the fixed block, the inside nestification of fixed block has the straw.
Preferably, two limit grooves which are symmetrically arranged are formed in the bottle body, the two limit rods are respectively connected with the two limit grooves in a sliding mode, a first spring is connected between the limit rods and the limit grooves in a common mode, two locating grooves which are symmetrically arranged are formed in the bottle cover, and one end of each limit rod is located in the corresponding locating groove so that the limit rods can be reset and the bottle cover can be fixed conveniently.
Preferably, two square grooves which are symmetrically arranged are formed in the bottle body, the connecting rods are slidably connected in the two square grooves, and a second spring is connected between the square grooves and the connecting rods together so as to reset the connecting rods.
Preferably, two circular grooves which are symmetrically arranged are formed in the bottle cap, the push rod and the stop block are slidably connected in the circular grooves, and a third spring is connected between the stop block and the circular grooves together so as to reset the push rod.
Preferably, the two limiting rods are provided with clamping grooves in the inner parts, and the top ends of the ejector rods are the same as the clamping grooves in shape and size, so that the ejector rods can fix the limiting rods conveniently.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the arrangement of the structures such as the bottle cap and the bottle body, the bottle cap is covered on the bottle body after being sucked by the suction pipe, and then the bottle cap is fixed by the limiting rod, so that the bottle cap is more convenient to operate and better in practicability when being fixed.
2. According to the utility model, through the arrangement of the structures such as the bottle cap and the fixed block, the suction pipe needs to be cleaned when different liquids are sucked, so that the suction pipe can be rotated when the suction pipe needs to be cleaned, and the suction pipe drives the fixed block to rotate, so that the suction pipe is detached, and the cleaning is more convenient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a front cross-sectional view of the present utility model;
FIG. 3 is an enlarged view of the utility model at A;
fig. 4 is an enlarged view at B of the present utility model.
In the figure: 1. a bottle body; 2. a bottle cap; 3. a suction pipe; 4. a limit rod; 5. briquetting; 6. a first spring; 7. a vertical rod; 8. a connecting rod; 9. a second spring; 10. a push rod; 11. a clamping groove; 12. a push rod; 13. a stop block; 14. a third spring; 15. a positioning groove; 16. a fixed block; 17. an annular block; 18. and (3) a threaded hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a sampling device for chemical engineering comprises a bottle body 1 and a bottle cap 2, wherein the top end of the bottle body 1 is positioned in the bottle cap 2, two limit rods 4 which are symmetrically arranged are slidably arranged in the bottle body 1, two push rods 10 which are symmetrically arranged are slidably arranged in the bottle body 1, one sides of the push rods 10 are fixedly connected with connecting rods 8 through screws, the tops of the connecting rods 8 are fixedly connected with vertical rods 7 through screws, two push rods 12 which are symmetrically arranged are slidably arranged in the bottle cap 2, one sides of the push rods 12 are fixedly connected with pressing blocks 5 through screws, a stop block 13 is fixedly sleeved on the push rods 12, the bottle cap 2 is covered on the bottle body 1 after being sucked by a suction pipe 3, and then the bottle cap 2 is fixed by the limit rods 4, so that the bottle cap 2 is more convenient to operate and better in practicability.
Referring to fig. 4, a threaded hole 18 is formed in the bottle cap 2, an annular block 17 is fixedly connected to the threaded hole 18 through a screw, a fixing block 16 is connected to the threaded hole 18 through a screw, a suction pipe 3 is nested in the fixing block 16, and through the arrangement of the bottle cap 2, the fixing block 16 and other structures, the suction pipe 3 needs to be cleaned when different liquids are sucked, so that the suction pipe 3 can be rotated when the suction pipe 3 needs to be cleaned, the suction pipe 3 drives the fixing block 16 to rotate, and the suction pipe is detached, so that cleaning is more convenient.
Referring to fig. 1-4, two limit grooves which are symmetrically arranged are formed in the bottle body 1, two limit rods 4 are respectively and slidably connected in the two limit grooves, a first spring 6 is commonly connected between the limit rods 4 and the limit grooves, two symmetrically arranged positioning grooves 15 are formed in the bottle cap 2, one end of each limit rod 4 is located in each positioning groove 15, two symmetrically arranged square grooves are formed in the bottle body 1, a connecting rod 8 is slidably connected in the two square grooves, a second spring 9 is commonly connected between each square groove and the connecting rod 8, two symmetrically arranged round grooves are formed in the bottle cap 2, a push rod 12 and a stop block 13 are slidably connected in the round grooves, a third spring 14 is commonly connected between the stop block 13 and the round grooves, clamping grooves 11 are formed in the two limit rods 4, and the top ends of the push rods 10 are identical to the clamping grooves 11 in shape and size.
The specific implementation process of the utility model is as follows: firstly, the top of a suction pipe 3 is pinched and then placed on liquid to be sucked, the top of the suction pipe 3 is released for sampling, after the sampling is finished, the bottle cap 2 is covered on the top of the bottle body 1, the bottle cap 2 is pushed downwards, two vertical rods 7 move downwards along with the bottle cap 2, a connecting rod 8 drives a push rod 10 to move downwards simultaneously, so that a limiting effect of the limiting rod 4 is lost, the limiting rod 4 is ejected due to the action of a first spring 6, then the bottle cap 2 is rotated, a positioning groove 15 is aligned with the limiting rod 4, so that the bottle cap 2 is fixed, the fixing is more convenient, when the bottle cap 2 needs to be taken out, only two pressing blocks 5 are needed to be pressed simultaneously, so that the pressing blocks 5 push the limiting rod 4 to one side through a push rod 12, the bottle cap 2 can be taken down by cluster etching, and the connecting rod 8 drives the push rod 10 and the vertical rods 7 to move upwards simultaneously, so that the limiting rod 4 is fixed by the push rod 10, and the next storage is convenient;
further, the suction pipe 3 needs to be cleaned when different liquids are sampled, so that the suction pipe 3 can be rotated for cleaning more conveniently, the suction pipe 3 drives the fixing block 16 to rotate, the suction pipe 3 is detached for cleaning conveniently, the suction pipe is screwed into the threaded hole 18 after cleaning is finished, and the annular block 17 is arranged in the threaded hole 18 to prevent the fixing block 16 from falling downwards.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.