CN220194897U

CN220194897U - Test bed

Info

Publication number: CN220194897U
Application number: CN202321697681.2U
Authority: CN
Inventors: 刘晓红; 郭伟杨; 吴玉玉; 柏述文; 赵兰兰
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-12-19
Anticipated expiration: 2033-06-30

Abstract

The application discloses test bench belongs to test bench technical field. A test stand, comprising a test stand; test bench top one side fixedly connected with rack, test bench top one side still fixedly connected with first backup pad, the outer wall fixedly connected with sampling funnel of first backup pad, sampling funnel's lower extreme is provided with the control valve, accuse volume mechanism sets up between test bench top and sampling funnel, accuse volume mechanism is including being located sampling funnel below connect the material cup and can carry out the movable funnel of spacing removal from top to bottom in receiving the material cup inner wall, one side fixedly connected with second backup pad of material cup, movable funnel below is provided with drive division, drive division is used for controlling movable funnel's removal, movable funnel top is provided with sealing mechanism, and sealing mechanism is including sealing ring and sealing washer, is convenient for control experiment sample's quantity through accuse volume mechanism, and then makes things convenient for experimenter to operate on the test bench.

Description

Test bed

Technical Field

The application relates to the technical field of test tables, in particular to a test table.

Background

The test bed is a working table used for teaching tools in a school laboratory or used for working with scientific experiments in hospitals and scientific research institutions, is mainly used for carrying out experiment detection and storing instruments in units of hospitals, schools, chemical plants, scientific research institutions and the like, is provided with an all-steel test bed, a steel-wood test bed and an all-wood test bed according to material classification, has strict control on the amount of samples used in the experiments, and directly influences the experimental results;

when taking a sample to experimental sample, usually the experimenter takes a sample or manually controls the quantity of sample through different graduated flask, but manual control causes the quantity inaccurate easily, influences experimental data, and adopts the graduated flask, then need take a sample with a plurality of graduated flask, and a plurality of graduated flask place drop and chaotic condition appear easily on the test bench, and then lead to the experimenter to take a sample inconvenient phenomenon in the test bench.

In view of this, we propose a test stand.

Disclosure of Invention

The present application is directed to a test stand, so as to solve the problems set forth in the background art.

The application provides a test bench adopts following technical scheme:

a test stand, comprising:

a test bed;

a placing rack is fixedly connected to one side of the top end of the test bed;

a first supporting plate is fixedly connected to one side of the top end of the test bed;

the outer wall of the first supporting plate is fixedly connected with a sampling funnel, and the lower end of the sampling funnel is provided with a control valve;

the device comprises a control mechanism, wherein the control mechanism is arranged between the top end of a test bed and a sampling funnel, the control mechanism comprises a receiving cup positioned below the sampling funnel and a movable funnel capable of carrying out up-down limiting movement on the inner wall of the receiving cup, one side of the receiving cup is fixedly connected with a second supporting plate, the bottom end of the second supporting plate is fixedly connected with the upper surface of the test bed, a driving part is arranged below the movable funnel and used for controlling movement of the movable funnel, a sealing mechanism is arranged at the top end of the movable funnel and comprises a sealing ring and a sealing ring.

By adopting the technical scheme, the dosage of the experimental sample is conveniently controlled by the dosage control mechanism.

Optionally, the drive portion includes rolling disc, screw thread lead screw and cover piece, the below fixedly connected with disc of activity funnel, the bottom rotation of disc is connected with the rolling disc, and the discharge gate has been seted up to the inner wall of rolling disc, the bottom both sides of rolling disc all fixedly connected with bracing piece, two sets of the one end that the rolling disc was kept away from to the bracing piece is all fixedly connected with cover piece, a set of the inside threaded connection of cover piece has screw thread lead screw, and the top fixedly connected with of screw thread lead screw changes the handle.

By adopting the technical scheme, the disc can be conveniently controlled to move up and down in the receiving cup.

Optionally, the outer wall of receiving the material cup has rotated the cover through the bearing and has cup jointed the swivel becket, the top of screw thread lead screw rotates the one side inner wall of connecting at the swivel becket, the opposite side inner wall fixedly connected with gag lever post of swivel becket, and the bottom activity of gag lever post inserts the inside of establishing at another group piece.

Through adopting above-mentioned technical scheme, drive through rotating the swivel becket to the ejection of compact of control rolling disc discharge gate.

Optionally, the inner wall of activity funnel is slope design, one side fixedly connected with support column that the activity funnel slope was kept away from on the top of disc, and support column top fixed connection is on the activity funnel.

Through adopting above-mentioned technical scheme, can control the rolling disc through the slope design of movable funnel and come to carry out the ejection of compact to movable funnel notch experiment materials.

Optionally, the sealing ring is fixedly connected with above the movable funnel, and a groove is formed in a circumference of the outer wall of the sealing ring, and a sealing ring is fixedly connected in the groove.

Through adopting above-mentioned technical scheme, can let the activity funnel close fit between receiving cup when receiving cup inner wall removes through the sealing washer.

Optionally, the measuring cup is placed on the upper surface of the test stand, and the measuring cup is located right below the receiving cup.

Through adopting above-mentioned technical scheme, can in time sample when the experimental material unloading of butt joint material cup through the measuring cup.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through being provided with accuse volume mechanism and drive division, through control carousel rotation, drive the disc and connect the inside reciprocates of material cup, simultaneously carry out standard fixed to the sample quantity, can carry out spacingly at the material cup inside to the disc through the gag lever post, through rotating the swivel becket, thereby drive the swivel becket and rotate, the beginning or the stop ejection of compact of control activity funnel feed opening simultaneously, the people of being convenient for use to the sample volume when taking a sample, thereby avoided taking a sample with a plurality of measuring cups and caused the phenomenon that the test bench drops and is chaotic, and can guarantee the clean and tidy degree of test bench surface to a certain extent, and then make things convenient for the experimenter to operate on the test bench;

2. through being provided with sealing mechanism, through the removal of rolling disc, drive the sealing ring on the movable funnel to remove the sealing washer of sealing ring intra-annular recess, closely laminate with the inner wall that connects the material cup when the sealing washer removes, prevent that the movable funnel from leaking in the gap between movable funnel and the material cup when connecing the material cup to remove.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic side view of the sampling funnel, measuring cup, first support plate, second support plate and receiving cup of the present application;

FIG. 3 is a schematic exploded view of a three-dimensional structure of the present metering mechanism;

fig. 4 is a schematic perspective view of a driving part of the present application;

FIG. 5 is a perspective exploded view of the sealing mechanism of the present application;

the reference numerals in the figures illustrate: 111. a test bed; 112. a placing rack; 211. a receiving cup; 212. a movable funnel; 213. a rotating disc; 214. a rotating ring; 215. a sampling funnel; 216. a measuring cup; 217. a first support plate; 218. a second support plate; 311. a threaded screw rod; 312. a rotating handle; 313. sleeving blocks; 314. a limit rod; 315. a support rod; 316. a bolt; 411. a seal ring; 412. a seal ring; 413. a support column; 414. a disk.

Detailed Description

The present application will be described in further detail with reference to the drawings

Referring to fig. 1-2, the test stand provided by the application comprises a test stand 111, wherein a placing rack 112 is fixedly connected to one side of the top end of the test stand 111, a first supporting plate 217 is also fixedly connected to one side of the top end of the test stand 111, a sampling funnel 215 is fixedly connected to the outer wall of the first supporting plate 217, and a control valve is arranged at the lower end of the sampling funnel 215;

referring to fig. 3-4, the volume control mechanism provided in the application is disposed between the top end of the test stand 111 and the sampling funnel 215, the volume control mechanism includes a receiving cup 211 located below the sampling funnel 215 and a movable funnel 212 capable of performing up-down limiting movement on the inner wall of the receiving cup 211, one side of the receiving cup 211 is fixedly connected with a second supporting plate 218, the bottom end of the second supporting plate 218 is fixedly connected with the upper surface of the test stand 111, the volume control mechanism is convenient for controlling the dosage of an experimental sample, the top end of the movable funnel 212 is provided with a sealing mechanism, a driving part is disposed below the movable funnel 212, the driving part is used for controlling the movement of the movable funnel 212, the driving part includes a rotating disc 213, a threaded screw 311 and a sleeve block 313, a disc 414 is fixedly connected below the movable funnel 212, the bottom end of the disc 414 is rotatably connected with the rotating disc 213, the inner wall of the rotating disc 213 is provided with a discharge port, two groups of supporting rods are both far away from one end of the rotating disc 213 and are fixedly connected with a sleeve block 313, the inner part of the sleeve block 313 is internally connected with a threaded screw 311, the top end of the threaded screw 311 is fixedly connected with the threaded screw rod 414, the threaded screw rod is convenient for stopping the movement of the movable funnel 212 by the rotating disc 213, the rotating disc is convenient for stopping the sample by the inner wall of the rotating disc 213, and the inner wall of the rotating disc is used for stopping the sample to perform the sample movement by the sample by the flexible cup, and the inner cup is convenient for the movement of the sample stop device for the sample can be used for the sample to stop at the inner sample by the inner cup 211 and the inner sample can be conveniently and convenient to move by the sample stop by the inner sample;

referring to fig. 3-5, the present application further includes a rotating ring 214, the outer wall of the receiving cup 211 is rotatably sleeved with the rotating ring 214 through a bearing, the top end of the threaded screw 311 is rotatably connected to an inner wall of one side of the rotating ring 214, an inner wall of the other side of the rotating ring 214 is fixedly connected with a limiting rod 314, the bottom end of the limiting rod 314 is movably inserted into another group of sleeve blocks 313, the limiting rod 314 plays a role in limiting the rotating disc 213, the inner wall of the movable funnel 212 is of an inclined design, the top end of the disc 414 is far away from the inclined side of the movable funnel 212 and is fixedly connected with a supporting column 413, and the top end of the supporting column 413 is fixedly connected to the movable funnel 212, and the rotating disc 213 is driven to rotate through the rotating ring 214, so that the discharging of the discharging port of the rotating disc 213 can be controlled or the discharging can be stopped;

referring to fig. 1, a measuring cup 216 is placed on the upper surface of a test stand 111, the measuring cup 216 is located under a receiving cup 211, test materials of the receiving cup 211 can be timely sampled when being discharged through the measuring cup 216, meanwhile, the sample dosage is standard to be fixed, a limiting rod 314 is used for limiting a disc 414 in the receiving cup 211, and therefore the use of the sample dosage by people during sampling is facilitated;

referring to fig. 5, the sealing mechanism provided by the application comprises a sealing ring 411 and a sealing ring 412, wherein the sealing ring 411 is fixedly connected to the upper part of the movable funnel 212, a groove is formed in the periphery of the outer wall of the sealing ring 411, the sealing ring 412 is fixedly connected to the inside of the groove, and the movable funnel 212 can be tightly attached to the material receiving cup 211 when the inner wall of the material receiving cup 211 moves through the sealing ring 412.

The implementation principle of the test bed in the embodiment of the application is as follows:

firstly, the experimental sample is stored in the sampling funnel 215, the threaded screw rod 311 is controlled to rotate through the rotating handle 312, the limit rod 314 is utilized to limit, the sleeve block 313 can drive the supporting rod 315 and the rotating disc 213 to move, the rotating disc 213 drives the disc 414 and the movable funnel 212 to move up and down in the receiving cup 211 in the moving process, when the movable funnel 212 moves to a proper height, the control valve at the bottom end of the rotating sampling funnel 215 opens the sampling funnel 215, so that the experimental sample in the sampling funnel 215 falls into the receiving cup 211 and the movable funnel 212, when the material falls into the receiving cup 211 and reaches the just specified fixed material height, the sampling funnel 215 is closed by the rotating control valve, the rotating ring 214 is controlled at this moment, the discharge port of the rotating disc 213 corresponds to the discharge port of the movable funnel 212, the experimental sample in the receiving cup 211 is discharged through the movable funnel 212 and the discharge port of the rotating disc 213 at this moment, and the experimental sample is collected in the measuring cup 216, and the control amount of the experimental sample is realized.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A test stand, comprising:

a test stand (111);

a placing frame (112) is fixedly connected to one side of the top end of the test bed (111);

a first supporting plate (217) is fixedly connected to one side of the top end of the test bed (111);

the outer wall of the first supporting plate (217) is fixedly connected with a sampling funnel (215), and a control valve is arranged at the lower end of the sampling funnel (215);

the device comprises a quantity control mechanism, wherein the quantity control mechanism is arranged between the top end of a test bed (111) and a sampling funnel (215), the quantity control mechanism comprises a receiving cup (211) positioned below the sampling funnel (215) and a movable funnel (212) capable of performing up-down limiting movement on the inner wall of the receiving cup (211), one side of the receiving cup (211) is fixedly connected with a second supporting plate (218), the bottom end of the second supporting plate (218) is fixedly connected with the upper surface of the test bed (111), a driving part is arranged below the movable funnel (212), the driving part is used for controlling the movement of the movable funnel (212), the top end of the movable funnel (212) is provided with a sealing mechanism, and the sealing mechanism comprises a sealing ring (411) and a sealing ring (412).

2. The test stand according to claim 1, wherein: the driving part comprises a rotating disc (213), a threaded screw rod (311) and a sleeve block (313), a disc (414) is fixedly connected to the lower portion of the movable funnel (212), the bottom end of the disc (414) is rotationally connected with the rotating disc (213), a discharge hole is formed in the inner wall of the rotating disc (213), support rods (315) are fixedly connected to two sides of the bottom end of the rotating disc (213), the two groups of support rods (315) are fixedly connected with the sleeve block (313) at one end far away from the rotating disc (213), the threaded screw rod (311) is connected to one group of the sleeve block (313) through internal threads, and a rotating handle (312) is fixedly connected to the top end of the threaded screw rod (311).

3. The test stand according to claim 2, wherein: the outer wall of the receiving cup (211) is rotatably sleeved with a rotating ring (214) through a bearing, the top end of the threaded screw rod (311) is rotatably connected to the inner wall of one side of the rotating ring (214), the inner wall of the other side of the rotating ring (214) is fixedly connected with a limiting rod (314), and the bottom end of the limiting rod (314) is movably inserted into the other group of sleeve blocks (313).

4. The test stand according to claim 2, wherein: the inner wall of the movable funnel (212) is of an inclined design, a support column (413) is fixedly connected to one inclined side, away from the movable funnel (212), of the top end of the disc (414), and the top end of the support column (413) is fixedly connected to the movable funnel (212).

5. The test stand according to claim 1, wherein: the upper part of the movable funnel (212) is fixedly connected with a sealing ring (411), a groove is formed in the periphery of the outer wall of the sealing ring (411), and a sealing ring (412) is fixedly connected in the groove.

6. The test stand according to claim 1, wherein: the measuring cup (216) is arranged on the upper surface of the test stand (111), and the measuring cup (216) is located right below the receiving cup (211).