CN210322508U

CN210322508U - Powder sample pressing device for laboratory

Info

Publication number: CN210322508U
Application number: CN201921174896.XU
Authority: CN
Inventors: 邹碧群; 方毅林; 莫绪; 唐洁; 黄香凌; 蒋南洋
Original assignee: Guilin Normal College
Current assignee: Guilin Normal College
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-04-14
Anticipated expiration: 2029-07-25

Abstract

The utility model relates to a chemistry detects technical field, and discloses a powder sample depressor is used in laboratory. The utility model provides a laboratory is with powder sample depressor, is including pressing cup and suppression lid, the recess has been seted up to suppression lid bottom, the inside suppression device that is provided with of recess, the annular has been seted up at suppression cup top, annular inner wall bottom is connected with O type sealing washer, and the motor rotates, and the pressboard descends, and the pressboard can't continue to descend behind the crushing solid matter, and the motor drives the pressboard and rotates, reaches the purpose of the solid matter of milling, and the grinding of having solved present laboratory solid matter wastes time and energy, and the lower problem of efficiency of grinding, the pulling handle is covered the aiming at the annular and is pushed down with the suppression, and the suppression lid makes O type sealing washer take place deformation, loosens the handle, and the suppression lid is fixed with the suppression cup, reaches the purpose of sealed suppression cup, has solved the powder of solid matter suppression when the suppression and can fly upward.

Description

Powder sample pressing device for laboratory

Technical Field

The utility model relates to a chemistry detects technical field, specifically is a powder sample depressor is used in laboratory.

Background

In the laboratory, because the needs of experiment, often will grind the powdery sample with the material of solid and carry out subsequent use, but at present in the laboratory mostly through placing the material that will grind in the mortar, then carry out repeated grinding to the solid matter through the pestle of the mortar again, grind it into powder, waste time and energy to the grinding of solid matter, the efficiency of grinding is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a powder sample depressor is used in laboratory reaches the convenience and grinds the solid matter, improves the purpose of the efficiency of grinding.

In order to achieve the above object, the utility model provides a following technical scheme: a powder sample pressing device for a laboratory comprises a pressing cup and a pressing cover, wherein a groove is formed in the bottom of the pressing cover, and a pressing device is arranged in the groove;

the pressing device comprises a motor, a rotating shaft, a connecting plate, a first bevel gear, a second bevel gear, a third bevel gear, a first screw, a second screw, a first slider, a second slider, a first connecting rod, a second connecting rod, a connecting block, a pressing plate and stop blocks, wherein the connecting plate is horizontally arranged inside the pressing cover, the motor is arranged at the top of the inner wall of the groove, the top end of the rotating shaft is connected with the output end of the motor through a coupler, the bottom end of the rotating shaft sequentially penetrates through the connecting plate and a groove opening and extends to the lower part of the pressing cover to be connected with the axle center of the top of the first bevel gear, the second bevel gear and the third bevel gear are arranged at two sides of the first bevel gear and are both meshed with the first bevel gear, the two stop blocks are two, one sides of the two stop blocks which are close to each other are respectively connected with, one end of the screw rod II is connected with the axle center of one side of the bevel gear III far away from the bevel gear I, the other ends of the screw rod I and the screw rod II are respectively connected with one sides of the two stop blocks close to each other through bearings, the first sliding block is sleeved on the surface of the first screw rod through threads, the second sliding block is sleeved on the surface of the second screw rod through threads, the top end of the first connecting rod is riveted with the front surface of the first sliding block, the top end of the second connecting rod is riveted with the front surface of the second sliding block, the bottom ends of the first connecting rod and the second connecting rod are respectively riveted with two sides of the front surface of the connecting block, the bottom of the connecting block is connected with the top of the pressing plate, the bottom of the connecting plate is connected with two supporting blocks, the first screw and the second screw respectively penetrate through one supporting block and are movably connected with the supporting blocks, when the first sliding block and the second sliding block slide to the two sides far away from the two supporting blocks respectively, the pressing plate is in contact with the inner bottom wall of the pressing cup.

Preferably, the bottom plate surface of the pressing plate is provided with uneven bulges.

Preferably, the pressing cup is provided with a ring groove at the top, and the bottom of the inner wall of the ring groove is connected with an O-shaped sealing ring.

Preferably, an inner groove is formed in the groove, rotating blocks are connected to two sides of the connecting plate, and the rotating blocks are located in the inner groove and in sliding contact with the inner wall of the inner groove.

Preferably, the cross holes are formed in two sides of the pressing cup and communicated with the annular groove, and the slots are formed in two sides of the pressing cover.

Preferably, the cross bore one side is provided with the inserted bar, inserted bar one end runs through the cross bore and extends to O type sealing washer top, the inserted bar other end is connected with the handle.

Preferably, the slot is internally provided with a limiting groove, the part of the inserted link located in the limiting groove is sleeved with a limiting block, and the part of the inserted link located in the limiting groove is far away from the surface of one side of the pressing cover and is sleeved with a spring.

Preferably, the pressing cover outer wall is in sliding contact with the inner side wall of the ring groove, the ring groove is close to one side opening of the pressing plate, and a through hole matched with the rotating shaft is formed in the connecting plate.

The utility model provides a powder sample pressing device is used in laboratory. The method has the following beneficial effects:

(1) the utility model discloses a set up the suppression lid and suppress the device, the motor rotates, and slider one and slider two are close to each other, and the pressboard descends, can't continue to descend behind the pressboard crushing solid matter, and screw rod one and screw rod two can't rotate, and the motor drives the pressboard and rotates, reaches the purpose of the solid matter of milling, and the grinding of having solved present laboratory solid matter is wasted time and energy, the lower problem of efficiency of grinding.

(2) The utility model discloses a set up handle, annular, O type sealing washer, slot and inserted bar, the pulling handle will suppress and cover the aligning annular and push down, and the suppression lid makes O type sealing washer take place deformation, loosens the handle, and inserted bar one end gets into the slot, will suppress and cover and suppress the cup fixedly, reaches the purpose of sealed suppression cup, and the powder of having solved the solid matter suppression when the suppression can fly upward, harms the problem of staff's respiratory track.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is an enlarged sectional view of the plunger portion of the present invention;

fig. 3 is a top view of the connecting plate portion of the present invention.

In the figure: 1 pressing cup, 2 pressing cover, 3 pressing device, 301 motor, 302 rotating shaft, 303 connecting plate, 304 bevel gear I, 305 bevel gear II, 306 bevel gear III, 307 screw I, 308 screw II, 309 slide block I, 310 slide block II, 311 connecting rod I, 312 connecting rod II, 313 connecting block, 314 pressing plate, 315 stop block, 4O-shaped sealing ring, 5 handle, 6 inserted rod, 7 limiting block, 8 spring, 9 rotating block and 10 supporting block.

Detailed Description

As shown in fig. 1-3, the utility model provides a technical solution: a powder sample pressing device for a laboratory comprises a pressing cup 1 and a pressing cover 2, wherein a groove is formed in the bottom of the pressing cover 2, a pressing device 3 is arranged in the groove, an inner groove is formed in the groove, a connecting plate 303 is horizontally arranged in the inner groove of the pressing cover, rotating blocks 9 are fixedly connected to two sides of the connecting plate 303, the rotating blocks 9 are located in the inner groove and are in sliding contact with the inner wall of the inner groove, the rotating blocks 9 are matched with the inner groove to limit the position of the connecting plate 303, an annular groove is formed in the top of the pressing cup 1 and is close to an opening on one side of the pressing plate 314, an O-shaped sealing ring 4 is bonded to the bottom of the inner wall of the annular groove, the outer wall of the pressing cover 2 is in sliding contact with the inner wall of the annular groove, transverse holes are formed in two sides of the pressing cup 1 and are communicated with the annular groove, slots are formed, 6 other end fixedly connected with handles 5 of inserted bar, the spacing groove has been seted up inside the slot, the fixed cover of part that inserted bar 6 is located the spacing groove is equipped with stopper 7, the part that inserted bar 6 is located the spacing groove is kept away from the surface of one side of pressing lid 2 and has been cup jointed spring 8, inserted bar 6 and slot and cross bore looks adaptation, stopper 7 and spacing groove looks adaptation, pulling handle 5, press lid 2 to the ring groove push down, pressing lid 2 makes O type sealing washer 4 take place deformation, loosen

handle

5, 6 one end of inserted bar gets into the slot, it is fixed with pressing cup 1 to press lid 2, reach the purpose of sealed pressing cup 1, the powder of having solved the solid matter suppression when the suppression can fly upward, the problem of harm staff's respiratory track.

The pressing device 3 comprises a motor 301, a rotating shaft 302, a connecting plate 303, a bevel gear I304, a bevel gear II 305, a bevel gear III 306, a screw rod I307, a screw rod II 308, a slide block I309, a slide block II 310, a connecting rod I311, a connecting rod II 312, a connecting block 313, a pressing plate 314 and a stop block 315, wherein the motor 301 is fixedly arranged at the top of the inner wall of the groove, the motor 301 is a forward and reverse rotating motor, a power line of the motor 301 penetrates through the pressing cover 2 and then is connected with a power supply, the top end of the rotating shaft 302 is fixedly connected with the output end of the motor 301 through a coupler, a through hole matched with the rotating shaft 302 is formed in the connecting plate 303, the bottom end of the rotating shaft 302 sequentially penetrates through the through hole and a groove notch to extend to the lower part of the pressing cover 2 and is fixedly connected with the axis of the top of the bevel gear I304, the bevel, the side, close to each other, of each of the two stop blocks 315 is fixedly connected with the two sides of the connecting plate 303, the stop plates on the two sides of the connecting plate 303 are in sliding contact with the inner wall of the groove, one end of the screw rod 307 is fixedly connected with the axis of the bevel gear II 305 on the side, away from the bevel gear I304, of the bevel gear III 306, one end of the screw rod 308 is fixedly connected with the axis of the bevel gear III 306 on the side, away from the bevel gear I304, the other ends of the screw rod 307 and the screw rod 308 are rotatably connected with the side, close to each other, of the two stop blocks 315 through bearings, the inside of the slider I309 is provided with a screw hole I matched with the connecting rod I311, the slider I309 is in threaded connection with the screw rod I307 through the screw hole I, the inside of the slider II 310 is provided with a screw hole II matched with the screw rod II 308, the slider II 310 is in threaded, the first slider 309 and the second slider 310 cannot move in the same direction, the top end of the first connecting rod 311 is riveted with the front face of the first slider 309, the top end of the second connecting rod 312 is riveted with the front face of the second slider 310, the length of the first connecting rod 311 is equal to that of the second connecting rod 312, the length of the first connecting rod 311 is larger than that of the pressing cup 1, the bottom ends of the first connecting rod 311 and the second connecting rod 312 are respectively riveted with the two sides of the front face of the connecting block 313, the vertical positions of the riveting points of the first connecting rod 311, the second connecting rod 312 and the connecting block 313 are respectively the same as the vertical positions of the second bevel gear 305 and the third bevel gear 306, the bottom of the connecting block 313 is fixedly connected with the top of the pressing plate 314, the pressing plate 314 is matched with the inner wall of the pressing cup 1, the bottom of the connecting plate 303 is fixedly connected with the two supporting blocks 10, the first screw 307 and the second screw, the pressboard 314 contacts with the bottom wall in the suppression cup 1, and the venthole has been seted up to pressboard 314 inside, and motor 301 rotates, and slider 309 and two 310 are close to each other, and pressboard 314 descends, can't continue to descend behind the pressboard 314 crushing solid matter, and the unable rotation of screw rod 307 and two 308 of screw rod, motor 301 drive pressboard 314 rotate, reach the purpose of the solid matter of milling, the utility model provides a present grinding of laboratory solid matter wastes time and energy, the lower problem of efficiency of grinding.

When the pressing cup is used, a solid substance is placed in the pressing cup 1, the handle 5 is pulled, the pressing cover 2 is aligned to the position below the annular groove to enable the O-shaped sealing ring 4 to generate deformation, the handle 5 is loosened, then under the action of the spring 8, one end of the inserted rod 6 enters the slot, the pressing cover 2 and the pressing cup 1 are fixed to achieve the purpose of sealing the pressing cup 1, the problem that powder pressed by the solid substance during pressing is splashed and damages the respiratory tract of workers is solved, the motor 301 is started, the motor 301 drives the bevel gear II 305 and the bevel gear III 306 to rotate through the bevel gear I304, the screw I307 and the screw II 308 rotate in opposite directions to drive the slide block I309 and the slide block II 310 to approach each other, the connecting rod I311 and the connecting rod II 312 drive the pressing plate 314 to descend, the pressing plate 314 cannot continue to descend after being crushed by the solid substance, the screw I307 and the screw II 308 cannot rotate, the bevel gear, the purpose of grinding solid substances is achieved, and the problems that the grinding of the solid substances in a laboratory at present wastes time and labor and the grinding efficiency is low are solved.

In conclusion, the powder sample pressing device for the laboratory is provided with the pressing cover 2 and the pressing device 3, the motor 301 rotates, the first sliding block 309 and the second sliding block 310 are close to each other, the pressing plate 314 descends, the pressing plate 314 cannot descend continuously after crushing solid matters, the first screw 307 and the second screw 308 cannot rotate, the motor 301 drives the pressing plate 314 to rotate, the purpose of grinding the solid matters is achieved, the problems that grinding of the solid matters in the laboratory is time-consuming and labor-consuming and the grinding efficiency is low are solved, the pressing cover 2 is pressed downwards by aligning the pressing cover 2 with the annular groove through the arrangement of the handle 5, the annular groove, the O-shaped sealing ring 4, the inserting groove and the inserting rod 6, the handle 5 is loosened, one end of the inserting rod 6 enters the inserting groove, the pressing cover 2 and the pressing cup 1 are fixed, the purpose of sealing the pressing cup 1 is achieved, and the problem that powder pressed by the solid matters during pressing can fly upwards is solved, the respiratory tract of workers is damaged.

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.

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. A powder sample press for laboratory use, comprising a press cup (1) and a press lid (2), characterized in that: a groove is formed in the bottom of the pressing cover (2), and a pressing device (3) is arranged in the groove;

the pressing device (3) comprises a motor (301), a rotating shaft (302), a connecting plate (303), a bevel gear I (304), a bevel gear II (305), a bevel gear III (306), a screw rod I (307), a screw rod II (308), a slider I (309), a slider II (310), a connecting rod I (311), a connecting rod II (312), a connecting block (313), a pressing plate (314) and a stop block (315), wherein the connecting plate (303) is horizontally arranged inside the pressing cover (2), the motor (301) is arranged at the top of the inner wall of the groove, the top end of the rotating shaft (302) is connected with the output end of the motor (301) through a coupler, the bottom end of the rotating shaft (302) sequentially penetrates through the connecting plate (303) and the notch of the groove and extends to the lower part of the pressing cover (2) to be connected with the axis of the top of the bevel gear I (304), the bevel gear II (305) and the bevel gear III (306) are arranged at two sides of the bevel gear I (304), and the number of the baffle blocks (315) is two, the two sides of the two baffle blocks (315) close to each other are respectively connected with two ends of the bottom surface of the connecting plate (303), one end of the screw rod I (307) is connected with the axle center of the side of the bevel gear II (305) far away from the bevel gear I (304), one end of the screw rod II (308) is connected with the axle center of the side of the bevel gear III (306) far away from the bevel gear I (304), the other ends of the screw rod I (307) and the screw rod II (308) are respectively connected with the sides of the two baffle blocks (315) close to each other through bearings, the slider I (309) is sleeved on the surface of the screw rod I (307) through threads, the slider II (310) is sleeved on the surface of the screw rod II (308) through threads, the top end of the connecting rod I (311) is riveted with the front surface of the slider I (309), and the top end of the, the bottom ends of the first connecting rod (311) and the second connecting rod (312) are riveted with two sides of the front face of the connecting block (313) respectively, the bottom of the connecting block (313) is connected with the top of the pressing plate (314), the bottom of the connecting plate (303) is connected with two supporting blocks (10), the first screw rod (307) and the second screw rod (308) respectively penetrate through one supporting block (10) to be movably connected with the supporting block (10), and when the first slider (309) and the second slider (310) slide to be in contact with two sides far away from the two supporting blocks (10) respectively, the pressing plate (314) is in contact with the inner bottom wall of the pressing cup (1).

2. The laboratory powder sample press of claim 1, wherein: the top of the pressing cup (1) is provided with a ring groove, and the bottom of the inner wall of the ring groove is connected with an O-shaped sealing ring (4).

3. The laboratory powder sample press of claim 1, wherein: an inner groove is formed in the groove, the two sides of the connecting plate (303) are connected with rotating blocks (9), and the rotating blocks (9) are located in the inner groove and in sliding contact with the inner wall of the inner groove.

4. The laboratory powder sample press of claim 1, wherein: both sides of the pressing cup (1) are provided with transverse holes which are communicated with the ring groove, and both sides of the pressing cover (2) are provided with slots; one side of the transverse hole is provided with an inserting rod (6), one end of the inserting rod (6) penetrates through the transverse hole and extends to the position above the O-shaped sealing ring (4), and the other end of the inserting rod (6) is connected with a handle (5).

5. The laboratory powder sample press of claim 4, wherein: the limiting groove is formed in the slot, the part, located in the limiting groove, of the inserted rod (6) is sleeved with the limiting block (7), and the surface, far away from one side of the pressing cover (2), of the part, located in the limiting groove, of the inserted rod (6) is sleeved with the spring (8).

6. The laboratory powder sample press of claim 1, wherein: the outer wall of the pressing cover (2) is in sliding contact with the inner side wall of the annular groove, the annular groove is close to one side of the pressing plate (314) and is provided with an opening, and a through hole matched with the rotating shaft (302) is formed in the connecting plate (303).