CN214681846U - Instrument elevating gear is used in chemistry experiment teaching - Google Patents
Instrument elevating gear is used in chemistry experiment teaching Download PDFInfo
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- CN214681846U CN214681846U CN202120787649.8U CN202120787649U CN214681846U CN 214681846 U CN214681846 U CN 214681846U CN 202120787649 U CN202120787649 U CN 202120787649U CN 214681846 U CN214681846 U CN 214681846U
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Abstract
An instrument lifting device for chemical experiment teaching comprises a bottom plate, a sliding block, a connecting rod, a supporting rod, a connecting plate and a test tube clamp; a first sliding groove is formed in the bottom plate; the first sliding groove, the sliding block, the connecting rod and the supporting rod are symmetrically arranged in two numbers; the two sliding blocks are respectively arranged in the two first sliding grooves in a sliding manner; a moving groove is arranged on the sliding block; the connecting rod is arranged in the moving groove in a sliding mode, a second limiting mechanism is arranged on the connecting rod, and the second limiting mechanism is clamped with the bottom plate; the two support rods are respectively arranged at the upper ends of the two connecting rods; two ends of the connecting plate are respectively arranged on the two support rods in a sliding manner, a first limiting mechanism is arranged on the connecting plate, and the first limiting mechanism is respectively clamped with the two support rods; a second sliding groove is formed in the connecting plate; the test tube clamp is provided with a plurality of, and a plurality of test tube clamps all slide and set up in the second sliding tray. The utility model discloses a position of first stop gear adjustment test tube clamp, through the height of second stop gear adjustment test tube clamp.
Description
Technical Field
The utility model relates to a teaching equipment technical field especially relates to an instrument elevating gear is used in chemistry experiment teaching.
Background
At present, most schools use some backing plates or even books to stack to place teaching instruments when making chemical experiments.
Instruments such as beakers and erlenmeyer flasks are inconvenient to adjust the position and height, and the stacking operation of backing plates and books is complicated.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides an instrument elevating gear is used in chemistry experiment teaching, through the position of first stop gear adjustment test tube clamp, through the height of second stop gear adjustment test tube clamp.
(II) technical scheme
The utility model provides an instrument lifting device for chemical experiment teaching, which comprises a bottom plate, a sliding block, a connecting rod, a supporting rod, a connecting plate and a test tube clamp;
a first sliding groove is formed in the bottom plate; the first sliding groove, the sliding block, the connecting rod and the supporting rod are symmetrically arranged in two numbers; the two sliding blocks are respectively arranged in the two first sliding grooves in a sliding manner; a moving groove is arranged on the sliding block; the connecting rod is arranged in the moving groove in a sliding mode, a second limiting mechanism is arranged on the connecting rod, and the second limiting mechanism is clamped with the bottom plate; the two support rods are respectively arranged at the upper ends of the two connecting rods and are rotatably connected with the connecting rods; two ends of the connecting plate are respectively arranged on the two support rods in a sliding manner, a first limiting mechanism is arranged on the connecting plate, and the first limiting mechanism is respectively clamped with the two support rods; a second sliding groove is formed in the connecting plate; the test tube clamp is provided with a plurality of, and a plurality of test tube clamps all slide and set up in the second sliding tray.
Preferably, the first limiting mechanism comprises a first rack, a first limiting block, a push rod, a first elastic piece and a mounting block; the mounting block is arranged at the lower end of the connecting plate; the supporting rod is provided with a lifting groove; the first rack is arranged in the lifting groove; the push rod is arranged on the mounting block in a sliding mode, the first limiting block is arranged on the push rod, and the first limiting block is connected with the first rack in a clamping mode; the first elastic piece is arranged on the outer peripheral side of the push rod, and two ends of the first elastic piece are connected with the first limiting block and the mounting block respectively.
Preferably, two first limiting mechanisms are symmetrically arranged and are respectively connected with the two support rods; handles are arranged on the two push rods.
Preferably, the second limiting mechanism comprises a sliding column, a second elastic piece, a second limiting block and a second rack; the second rack is arranged on the bottom plate and is positioned in the first sliding groove; the sliding column is arranged on the sliding block in a sliding manner, and the other end of the sliding column is arranged on the connecting rod; the second elastic piece is arranged on the outer peripheral side of the sliding column, and two ends of the second elastic piece are respectively connected with the connecting rod and the sliding block; the second limiting block is arranged on the connecting rod and is connected with the second rack in a clamping mode.
Preferably, the joints of the two connecting rods and the two supporting rods are provided with rotary clamping devices; the rotary clamping device comprises a limiting column and a rotary column; the limiting columns are arranged in plurality and are all arranged on the sliding block; the support rod is provided with a limit groove and a rotating groove; a plurality of limiting grooves are arranged corresponding to the limiting columns; the limiting column is clamped with the limiting groove; the rotating column is arranged on the connecting rod, one end of the rotating column is arranged in the rotating groove in a sliding mode, and the rotating column is abutted to the supporting rod.
Preferably, the test tube clamp is provided with a fastening bolt; the fastening bolt is in threaded connection with the test tube clamp, and the fastening bolt is abutted against the connecting plate.
Preferably, the sliding block is provided with a roller; the roller is rotationally connected with the sliding block, is positioned in the first sliding groove and is in sliding connection with the bottom plate.
Preferably, a gap is arranged at the joint of one end of the connecting plate and the supporting rod.
Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:
when the utility model is not used, the support rod is rotated, the support rod drives the connecting plate to move, and the connecting plate drives the test tube clamp to move, so that the connecting plate leans against the bottom plate for storage, thereby reducing the occupied space; when needs use the utility model discloses the time, the bracing piece rotates, makes the bracing piece be in with bottom plate vertically position, through the position at first stop gear adjusting connection board place, the height of adjustment test tube clamp, through the position of second stop gear adjusting sliding block, the sliding block drives connecting rod and bracing piece and removes to the position of adjustment bracing piece, the bracing piece drives connecting plate and test tube clamp and removes, thereby carries out nimble adjustment and facilitates the use.
Drawings
Fig. 1 is the utility model provides an instrument elevating gear for chemistry experiment teaching's structural schematic.
Fig. 2 is the utility model provides a structure section view of instrument elevating gear for chemistry experiment teaching.
Fig. 3 is an enlarged view of a point a in fig. 1.
Fig. 4 is an enlarged view at B in fig. 1.
Fig. 5 is an enlarged view at C in fig. 2.
Reference numerals: 1. a base plate; 101. a first sliding groove; 2. a slider; 201. a moving groove; 202. a roller; 3. a connecting rod; 4. a support bar; 401. a lifting groove; 5. a connecting plate; 501. a second sliding groove; 502. a gap; 6. a test tube clamp; 601. tightening the bolt; 7. a first limit mechanism; 701. a first rack; 702. a first stopper; 703. a push rod; 704. a first elastic member; 705. mounting blocks; 8. rotating the clamping device; 801. a limiting column; 802. a limiting groove; 803. rotating the column; 804. a rotating groove; 9. a second limiting mechanism; 901. a sliding post; 902. a second elastic member; 903. a second limiting block; 904. a second rack.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-5, the instrument lifting device for chemical experiment teaching provided by the utility model comprises a bottom plate 1, a sliding block 2, a connecting rod 3, a supporting rod 4, a connecting plate 5 and a test tube clamp 6;
a first sliding groove 101 is arranged on the bottom plate 1; two first sliding grooves 101, two sliding blocks 2, two connecting rods 3 and two supporting rods 4 are symmetrically arranged; the two sliding blocks 2 are respectively arranged in the two first sliding grooves 101 in a sliding manner; the sliding block 2 is provided with a moving groove 201; the connecting rod 3 is arranged in the moving groove 201 in a sliding mode, a second limiting mechanism 9 is arranged on the connecting rod 3, and the second limiting mechanism 9 is connected with the bottom plate 1 in a clamping mode; the two support rods 4 are respectively arranged at the upper ends of the two connecting rods 3, and the support rods 4 are rotatably connected with the connecting rods 3; two ends of a connecting plate 5 are respectively arranged on the two support rods 4 in a sliding manner, a first limiting mechanism 7 is arranged on the connecting plate 5, and the first limiting mechanism 7 is respectively clamped with the two support rods 4; a second sliding groove 501 is arranged on the connecting plate 5; the plurality of test tube clamps 6 are provided, and the plurality of test tube clamps 6 are all slidably disposed in the second sliding groove 501.
In an alternative embodiment, the first limiting mechanism 7 includes a first rack 701, a first limiting block 702, a push rod 703, a first elastic member 704 and a mounting block 705; the mounting block 705 is arranged at the lower end of the connecting plate 5; the supporting rod 4 is provided with a lifting groove 401; the first rack 701 is arranged in the lifting groove 401; the push rod 703 is slidably arranged on the mounting block 705, the first limiting block 702 is arranged on the push rod 703, and the first limiting block 702 is clamped with the first rack 701; the first elastic member 704 is disposed on the outer circumferential side of the push rod 703, and both ends of the first elastic member 704 are connected to the first stopper 702 and the mounting block 705, respectively.
It should be noted that, when the height of the connecting plate 5 needs to be adjusted, the push rod 703 is moved, the push rod 703 drives the first limiting block 702 to move, the first limiting block 702 is separated from the first rack 701, the limiting is removed, the connecting plate 5 can move to adjust the height, after the height adjustment is completed, the push rod 703 is released, the first elastic member 704 pushes the first limiting block 702 to move, and the first limiting block 702 is clamped with the first rack 701 to limit.
In an alternative embodiment, two first limiting mechanisms 7 are symmetrically arranged, and the two first limiting mechanisms 7 are respectively connected with the two support rods 4; both push rods 703 are provided with handles.
It should be noted that the handle can move the push rod 703 in the direction, so as to facilitate the movement of the connecting plate 5 and the height adjustment.
In an alternative embodiment, the second limiting mechanism 9 includes a sliding column 901, a second elastic member 902, a second limiting block 903 and a second rack 904; the second rack 904 is arranged on the bottom plate 1, and the second rack 904 is positioned in the first sliding groove 101; the sliding column 901 is arranged on the sliding block 2 in a sliding manner, and the other end of the sliding column 901 is arranged on the connecting rod 3; the second elastic member 902 is disposed on the outer peripheral side of the sliding column 901, and both ends of the second elastic member 902 are connected to the link 3 and the slider 2, respectively; the second stopper 903 is disposed on the connecting rod 3, and the second stopper 903 is connected to the second rack 904.
It should be noted that, when the position of the sliding block 2 needs to be moved, the supporting rod 4 is pushed in a direction away from the second rack 904, the supporting rod 4 drives the connecting rod 3 to slide, and the connecting rod 3 drives the second limiting block 903 to move, so that the second limiting block 903 is separated from the second rack 904, the sliding block 2 can slide, and the position of the connecting plate 5 is adjusted; after the adjustment is completed, the supporting rod 4 is loosened, the second elastic member 902 pushes the connecting rod 3 to move, and the connecting rod 3 drives the second limiting block 903 to be clamped into the second rack 904 for limiting.
In an alternative embodiment, the joints of the two connecting rods 3 and the two support rods 4 are provided with rotary clamping devices 8; the rotary clamping device 8 comprises a limiting column 801 and a rotary column 803; the plurality of limiting columns 801 are arranged, and the plurality of limiting columns 801 are all arranged on the sliding block 2; the support rod 4 is provided with a limit groove 802 and a rotating groove 804; a plurality of limiting grooves 802 are arranged corresponding to the limiting columns 801; the limiting column 801 is clamped with the limiting groove 802; the rotation column 803 is provided on the connecting rod 3, and one end of the rotation column 803 is slidably provided in the rotation groove 804, and the rotation column 803 abuts against the support rod 4.
It should be noted that, when needs use the utility model discloses the time, rotation support pole 4 makes spacing groove 802 on the bracing piece 4 aim at spacing post 801, presses down bracing piece 4, and spacing post 801 inserts in bracing piece 4, fixes, prevents that bracing piece 4 from empting, improves stability, after bracing piece 4 and spacing post 801 separation, can rotate with connecting rod 3, accomodate.
In an alternative embodiment, the test tube clamp 6 is provided with a set bolt 601; the fastening bolt 601 is screwed to the test tube holder 6, and the fastening bolt 601 abuts against the connecting plate 5.
The fastening bolt 601 is used to fix the tube clamp 6, thereby fixing the tube clamp 6.
In an alternative embodiment, a roller 202 is arranged on the sliding block 2; the roller 202 is rotatably connected with the sliding block 2, and the roller 202 is located in the first sliding groove 101 and is slidably connected with the bottom plate 1.
It should be noted that the roller 202 can reduce the friction between the sliding block 2 and the bottom plate 1, thereby facilitating the movement of the roller sliding block 2.
In an alternative embodiment, a gap 502 is provided at the connection between one end of the connecting plate 5 and the support rod 4.
It should be noted that the gap 502 enables the support rod 4 to have a certain rotation space, so as to facilitate the adjustment of the position of the connecting plate 5.
When the utility model is not used, the support rod 4 is rotated, the support rod 4 drives the connecting plate 5 to move, the connecting plate 5 drives the test tube clamp 6 to move, the connecting plate 5 leans against the bottom plate 1 to be stored, and the occupied space is reduced; when needs use the utility model discloses the time, rotation support pole 4 makes bracing piece 4 be in with 1 vertically position of bottom plate, through the position at 7 adjusting connection board 5 places of first stop gear, the height of adjustment test tube clamp 6, through the position of 9 adjustment sliding blocks 2 of second stop gear, sliding blocks 2 drive connecting rod 3 and bracing piece 4 and remove to the position of adjustment support pole 4, bracing piece 4 drives connecting plate 5 and test tube clamp 6 and removes, thereby carries out nimble adjustment and facilitates the use.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. An instrument lifting device for chemical experiment teaching is characterized by comprising a bottom plate (1), a sliding block (2), a connecting rod (3), a supporting rod (4), a connecting plate (5) and a test tube clamp (6);
a first sliding groove (101) is arranged on the bottom plate (1); two first sliding grooves (101), two sliding blocks (2), two connecting rods (3) and two supporting rods (4) are symmetrically arranged; the two sliding blocks (2) are respectively arranged in the two first sliding grooves (101) in a sliding manner; a moving groove (201) is arranged on the sliding block (2); the connecting rod (3) is arranged in the moving groove (201) in a sliding mode, a second limiting mechanism (9) is arranged on the connecting rod (3), and the second limiting mechanism (9) is connected with the bottom plate (1) in a clamping mode; the two support rods (4) are respectively arranged at the upper ends of the two connecting rods (3), and the support rods (4) are rotatably connected with the connecting rods (3); two ends of the connecting plate (5) are respectively arranged on the two support rods (4) in a sliding manner, a first limiting mechanism (7) is arranged on the connecting plate (5), and the first limiting mechanism (7) is respectively clamped with the two support rods (4); a second sliding groove (501) is formed in the connecting plate (5); the test tube clamps (6) are arranged in a plurality of numbers, and the test tube clamps (6) are arranged in the second sliding groove (501) in a sliding mode.
2. The instrument lifting device for chemical experiment teaching as claimed in claim 1, wherein the first limiting mechanism (7) comprises a first rack (701), a first limiting block (702), a push rod (703), a first elastic member (704) and a mounting block (705); the mounting block (705) is arranged at the lower end of the connecting plate (5); a lifting groove (401) is arranged on the support rod (4); the first rack (701) is arranged in the lifting groove (401); the push rod (703) is arranged on the mounting block (705) in a sliding mode, the first limiting block (702) is arranged on the push rod (703), and the first limiting block (702) is connected with the first rack (701) in a clamping mode; the first elastic piece (704) is arranged on the outer peripheral side of the push rod (703), and two ends of the first elastic piece (704) are respectively connected with the first limiting block (702) and the mounting block (705).
3. The instrument lifting device for the chemical experiment teaching as claimed in claim 2, wherein two first limiting mechanisms (7) are symmetrically arranged, and the two first limiting mechanisms (7) are respectively connected with the two support rods (4); handles are arranged on the two push rods (703).
4. The instrument lifting device for chemical experiment teaching as claimed in claim 1, wherein the second limiting mechanism (9) comprises a sliding column (901), a second elastic member (902), a second limiting block (903) and a second rack (904); the second rack (904) is arranged on the bottom plate (1), and the second rack (904) is positioned in the first sliding groove (101); the sliding column (901) is arranged on the sliding block (2) in a sliding manner, and the other end of the sliding column (901) is arranged on the connecting rod (3); the second elastic piece (902) is arranged on the outer peripheral side of the sliding column (901), and two ends of the second elastic piece (902) are respectively connected with the connecting rod (3) and the sliding block (2); the second limiting block (903) is arranged on the connecting rod (3), and the second limiting block (903) is connected with the second rack (904) in a clamping mode.
5. The instrument lifting device for chemical experiment teaching as claimed in claim 1, wherein the joints of the two connecting rods (3) and the two supporting rods (4) are provided with rotary clamping devices (8); the rotary clamping device (8) comprises a limiting column (801) and a rotary column (803); the limiting columns (801) are arranged in a plurality, and the limiting columns (801) are arranged on the sliding block (2); the support rod (4) is provided with a limit groove (802) and a rotating groove (804); a plurality of limiting grooves (802) are arranged corresponding to the limiting columns (801); the limiting column (801) is clamped with the limiting groove (802); the rotating column (803) is arranged on the connecting rod (3), one end of the rotating column (803) is arranged in the rotating groove (804) in a sliding mode, and the rotating column (803) is abutted to the supporting rod (4).
6. The instrument lifting device for chemical experiment teaching as claimed in claim 1, wherein the test tube clamp (6) is provided with a set bolt (601); the fastening bolt (601) is in threaded connection with the test tube clamp (6), and the fastening bolt (601) is abutted against the connecting plate (5).
7. The instrument lifting device for chemical experiment teaching as claimed in claim 1, wherein the sliding block (2) is provided with a roller (202); the roller (202) is rotatably connected with the sliding block (2), and the roller (202) is positioned in the first sliding groove (101) and is slidably connected with the bottom plate (1).
8. The instrument lifting device for chemical experiment teaching as claimed in claim 1, wherein a gap (502) is provided at the joint of one end of the connecting plate (5) and the supporting rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120787649.8U CN214681846U (en) | 2021-04-13 | 2021-04-13 | Instrument elevating gear is used in chemistry experiment teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120787649.8U CN214681846U (en) | 2021-04-13 | 2021-04-13 | Instrument elevating gear is used in chemistry experiment teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214681846U true CN214681846U (en) | 2021-11-12 |
Family
ID=78531876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120787649.8U Active CN214681846U (en) | 2021-04-13 | 2021-04-13 | Instrument elevating gear is used in chemistry experiment teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214681846U (en) |
-
2021
- 2021-04-13 CN CN202120787649.8U patent/CN214681846U/en active Active
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