CN213254557U

CN213254557U - Applied chemistry test bench convenient to operation

Info

Publication number: CN213254557U
Application number: CN202022033773.3U
Authority: CN
Inventors: 于志英
Original assignee: Weihai Vocational College
Current assignee: Weihai Vocational College
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-05-25
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses an applied chemistry test bench convenient to operation belongs to the applied chemistry field, which comprises a housin, the top of casing is provided with test platform, test platform's bottom fixedly connected with U-shaped plate, the inboard fixedly connected with dead lever of U-shaped plate, the left end of dead lever has cup jointed fixed cover, the right-hand member sliding connection of dead lever has the sliding sleeve, the left side fixedly connected with fixing base of diapire in the casing, the right side fixed mounting of diapire in the casing has servo motor, servo motor's output shaft fixedly connected with lead screw, the left end and the fixing base of lead screw rotate to be connected, the outside threaded connection of lead screw has the swivel nut. The utility model discloses a, but have height-adjusting and fix, the operation of being convenient for and the good advantage of stability have solved and can not carry out altitude mixture control, need bow the operation during experiment, operate inconveniently, do not possess fixed establishment after adjusting, lead to the relatively poor problem of stability.

Description

Applied chemistry test bench convenient to operation

Technical Field

The utility model relates to an applied chemistry field, more specifically say, relate to an applied chemistry test bench convenient to operation.

Background

The applied chemistry is a discipline for cultivating high-grade specialized talents which have basic knowledge, basic theory, basic skills, related engineering technical knowledge and stronger experimental skills in the aspect of chemistry, have scientific thinking and scientific experimental training in the aspect of chemical basic research and applied basic research, and can be used for scientific research, teaching work and management work in scientific research institutions, high schools, enterprises and public institutions and the like, and an applied chemistry test bed is common equipment in applied chemistry teaching.

At present, when using chemical test bench, current chemical test bench of using is fixed knot usually for fixed knot constructs, can not carry out height control according to user's height, leads to the user to need the operation of bowing when testing, and the operation is comparatively inconvenient, just if height-adjustable does not possess fixed knot after adjusting and constructs, leads to stability relatively poor, for this reason, provides the chemical test bench of using convenient to operate and solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an applied chemistry test bench convenient to operation possesses height-adjustable and fixes, and the operation of being convenient for and the advantage that stability is good have been solved and can not carry out altitude mixture control, need bow the operation during experiment, and the operation is inconvenient, does not possess fixed establishment after adjusting, leads to the relatively poor problem of stability.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

An application chemistry test bed convenient to operate comprises a shell, wherein a test platform is arranged at the top of the shell, a U-shaped plate is fixedly connected to the bottom of the test platform, a fixed rod is fixedly connected to the inner side of the U-shaped plate, a fixed sleeve is sleeved at the left end of the fixed rod, a sliding sleeve is slidably connected to the right end of the fixed rod, a fixed seat is fixedly connected to the left side of the inner bottom wall of the shell, a servo motor is fixedly installed at the right side of the inner bottom wall of the shell, a lead screw is fixedly connected to an output shaft of the servo motor, the left end of the lead screw is rotatably connected with the fixed seat, a threaded sleeve is connected to the outer side of the lead screw, a first push rod is hinged between the threaded sleeve and the fixed sleeve, a second push rod is hinged between the sliding sleeve and the fixed seat, the, evenly distributed's slot is all seted up to the left and right sides of U-shaped board, two the relative one end of firm mechanism all pegs graft with the slot, the equal fixedly connected with landing leg subassembly in four corners of casing bottom.

Preferably, the two stabilizing mechanisms comprise U-shaped rods connected with the shell in a sliding mode, one ends, opposite to the U-shaped rods, of the U-shaped rods are connected with the fixing rods in an inserting mode, abutting rings are sleeved at two ends of the U-shaped rods, and springs sleeved on the outer sides of the U-shaped rods are fixedly connected between the abutting rings and the inner wall of the shell.

Preferably, four the landing leg subassembly all includes the link with the bottom fixed connection of casing, four the equal fixedly connected with gyro wheel of inward one side of link, four the equal threaded connection of the outward one side of link has the threaded rod, four the equal fixedly connected with ground connection piece in bottom of threaded rod.

Preferably, the inner bottom wall of the shell is provided with a sliding groove, and the bottom of the threaded sleeve is fixedly connected with a sliding block in sliding connection with the sliding groove.

Preferably, a cushion pad is fixedly connected to the bottom of the test platform, and the bottom of the cushion pad is in contact with the top of the shell

Preferably, the outer side of the shell is sleeved with an anti-collision cushion.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this applied chemistry test bench convenient to operation, through the work of drive servo motor, servo motor drives the lead screw and rotates, can remove along the lead screw with lead screw threaded connection's swivel nut, the swivel nut removes and promotes first push rod, first push rod promotes fixed cover, first push rod makes the second push rod deflect through the pivot simultaneously and drives the sliding sleeve and slide in the outside of dead lever, promote the U-shaped board simultaneously by fixed cover and sliding sleeve, drive test platform rebound through the U-shaped board, realize the regulation of height, the personnel of different heights of being convenient for use, the operation of being convenient for, the unable altitude mixture control that can not carry out has been solved, need bow the operation during experiment, the inconvenient problem of operation.

(2) This applied chemistry test bench convenient to operation, make its and slot separation through outwards spurting stabilizing mean, can carry out altitude mixture control, after height-adjusting, loosen the U-shaped pole, bounce through the spring promotes the contact ring, it pegs graft with the slot to move the U-shaped pole by the contact ring, the outside of spring contact U-shaped board is contradicted, from this fix the restriction to the U-shaped board, guarantee that the test platform after rising remains stable, improve experimental stability, fixing mechanism does not possess after the altitude mixture control, lead to the relatively poor problem of stability.

Drawings

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

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

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

The reference numbers in the figures illustrate:

1. a housing; 2. a test platform; 3. a U-shaped plate; 4. fixing the rod; 5. fixing a sleeve; 6. a sliding sleeve; 7. a fixed seat; 8. a servo motor; 9. a screw rod; 10. a threaded sleeve; 11. a first push rod; 12. a second push rod; 13. a stabilizing mechanism; 131. a U-shaped rod; 132. a contact ring; 133. a spring; 14. a slot; 15. a leg assembly; 151. a connecting frame; 152. a roller; 153. a threaded rod; 154. a ground block; 16. a chute; 17. a slider; 18. a cushion pad; 19. an anti-collision cushion.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, an application chemistry test bench convenient to operate comprises a housing 1, a test platform 2 is arranged at the top of the housing 1, a U-shaped plate 3 is fixedly connected to the bottom of the test platform 2, a fixing rod 4 is fixedly connected to the inner side of the U-shaped plate 3, a fixing sleeve 5 is sleeved at the left end of the fixing rod 4, a sliding sleeve 6 is slidably connected to the right end of the fixing rod 4, a fixing seat 7 is fixedly connected to the left side of the inner bottom wall of the housing 1, a servo motor 8 is fixedly installed at the right side of the inner bottom wall of the housing 1, a lead screw 9 is fixedly connected to an output shaft of the servo motor 8, the left end of the lead screw 9 is rotatably connected to the fixing seat 7, a threaded sleeve 10 is threadedly connected to the outer side of the lead screw 9, a first push rod 11 is hinged between the threaded sleeve 10 and the fixing sleeve, the equal sliding connection in left and right sides of casing 1 has stabilizing mean 13, and evenly distributed's slot 14 is all seted up to the left and right sides of U-shaped plate 3, and two stabilizing mean 13 relative one ends all peg graft with slot 14, the equal fixedly connected with landing leg assembly 15 in four corners of casing 1 bottom.

Further, two firm mechanisms 13 all include the U-shaped pole 131 with 1 sliding connection of casing, the one end that two U-shaped poles 131 are relative all pegs graft with dead lever 4, the both ends of two U-shaped poles 131 all cup joint and support and touch ring 132, equal fixedly connected with cover locates the spring 133 in the U-shaped pole 131 outside between support and touch ring 132 and the 1 inner wall of casing, can drive through pulling U-shaped pole 131 and support and touch ring 132 removal and compression spring 133, adjustable height behind U-shaped pole 131 shifting out slot 14, promote U-shaped pole 131 and slot 14 peg graft by the bounce of spring 133 after the height-adjusting, fix U-shaped plate 3, improve U-shaped plate 3's stability.

Further, four landing leg assemblies 15 all include the link 151 with the bottom fixed connection of casing 1, the equal fixedly connected with gyro wheel 152 in the inside one side of four link 151, the equal threaded connection in the outside one side of four link 151 has threaded rod 153, the equal fixedly connected with ground connection piece 154 in bottom of four threaded rod 153, can make things convenient for casing 1's removal through gyro wheel 152, the convenience is improved, after certain assigned position, accessible rotation threaded rod 153, it fixes to drive ground connection piece 154 and move down and contact ground by threaded rod 153, casing 1 removes when preventing to test.

Furthermore, the inner bottom wall of the shell 1 is provided with a sliding groove 16, the bottom of the screw sleeve 10 is fixedly connected with a sliding block 17 which is in sliding connection with the sliding groove 16, the sliding block 17 can be driven to slide in the sliding groove 16 through the movement of the screw sleeve 10, and the screw sleeve 10 is guided and limited through the matching between the sliding block 17 and the sliding groove 16, so that the screw sleeve 10 is ensured to move linearly and stably.

Further, the bottom fixedly connected with blotter 18 of test platform 2, the bottom of blotter 18 and the top contact of casing 1, through the setting of blotter 18, protect when the top contact of test platform 2 and casing 1, reduce the impact force that the contact produced.

Further, the outer side of the shell 1 is sleeved with the anti-collision pad 19, and impact force generated by collision when the shell 1 moves is buffered through the arrangement of the anti-collision pad 19, so that the shell 1 is protected.

The type of the servo motor 8 may be MCA17N23-RS0B0, other electrical components used in this embodiment may be used, and the specific circuit connection manner and the use method thereof are commonly disclosed technologies, and thus are not described herein in detail.

The working principle is as follows: when the utility model is used, the stabilizing mechanism 13 is separated from the slot 14 by pulling outwards, the servo motor 8 is driven to work, the servo motor 8 drives the screw rod 9 to rotate, the screw sleeve 10 in threaded connection with the screw rod 9 can move along the screw rod 9, the screw sleeve 10 moves to push the first push rod 11, the first push rod 11 pushes the fixed sleeve 5, the first push rod 11 simultaneously deflects the second push rod 12 through the shaft pin to drive the sliding sleeve 6 to slide outside the fixed rod 4, the U-shaped plate 3 is simultaneously pushed by the fixed sleeve 5 and the sliding sleeve 6, the test platform 2 is driven to move upwards through the U-shaped plate 3, the height adjustment is realized, the use of people with different heights is convenient, the operation is convenient, after the height adjustment, the U-shaped rod 131 is loosened, the abutting ring 132 is pushed through the counter elasticity of the spring 133, the U-shaped rod 131 is driven to be inserted into the slot 14 through the abutting ring 132, the spring 133 contacts the outside of, from this to U-shaped plate 3 fix the restriction, guarantee that test platform 2 after rising remains stable, improve experimental stability, solved and can not carry out altitude mixture control, need bow the operation during experiment, it is comparatively inconvenient, do not possess fixed establishment after adjusting, lead to the relatively poor problem of stability.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A utility chemistry test bench convenient to operate, includes casing (1), its characterized in that: the testing device is characterized in that a testing platform (2) is arranged at the top of the shell (1), a U-shaped plate (3) is fixedly connected to the bottom of the testing platform (2), a fixing rod (4) is fixedly connected to the inner side of the U-shaped plate (3), a fixing sleeve (5) is sleeved at the left end of the fixing rod (4), a sliding sleeve (6) is slidably connected to the right end of the fixing rod (4), a fixing seat (7) is fixedly connected to the left side of the inner bottom wall of the shell (1), a servo motor (8) is fixedly installed at the right side of the inner bottom wall of the shell (1), a lead screw (9) is fixedly connected to an output shaft of the servo motor (8), the left end of the lead screw (9) is rotatably connected with the fixing seat (7), a threaded sleeve (10) is connected to the outer side of the lead screw (9), a first push rod (11) is hinged between the threaded sleeve (10) and the fixing, articulated through the pivot between first push rod (11) and the second push rod (12), the equal sliding connection in the left and right sides of casing (1) has stabilizing mean (13), evenly distributed's slot (14), two are all seted up to the left and right sides of U-shaped plate (3) stabilizing mean (13) relative one end all pegs graft with slot (14), the equal fixedly connected with landing leg subassembly (15) in four corners of casing (1) bottom.

2. A conveniently operated applied chemistry test stand according to claim 1, wherein: two firm mechanism (13) all include with casing (1) sliding connection's U-shaped pole (131), two the relative one end of U-shaped pole (131) all pegs graft with dead lever (4), two the both ends of U-shaped pole (131) all cup joint and have touched ring (132), equal fixedly connected with cover locates spring (133) in the U-shaped pole (131) outside between touching ring (132) and casing (1) inner wall.

3. A conveniently operated applied chemistry test stand according to claim 1, wherein: four landing leg subassembly (15) all including with bottom fixed connection's of casing (1) link (151), four equal fixedly connected with gyro wheel (152) in the inside one side of link (151), four equal threaded connection has threaded rod (153), four in the outside one side of link (151) the equal fixedly connected with ground connection piece (154) in bottom of threaded rod (153).

4. A conveniently operated applied chemistry test stand according to claim 1, wherein: the inner bottom wall of the shell (1) is provided with a sliding groove (16), and the bottom of the threaded sleeve (10) is fixedly connected with a sliding block (17) which is in sliding connection with the sliding groove (16).

5. A conveniently operated applied chemistry test stand according to claim 1, wherein: the bottom of the test platform (2) is fixedly connected with a cushion pad (18), and the bottom of the cushion pad (18) is in contact with the top of the shell (1).

6. A conveniently operated applied chemistry test stand according to claim 1, wherein: and the outer side of the shell (1) is sleeved with an anti-collision pad (19).