CN215341604U - A electric elements quick change device for electric teaching laboratory bench - Google Patents
A electric elements quick change device for electric teaching laboratory bench Download PDFInfo
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- CN215341604U CN215341604U CN202120915091.7U CN202120915091U CN215341604U CN 215341604 U CN215341604 U CN 215341604U CN 202120915091 U CN202120915091 U CN 202120915091U CN 215341604 U CN215341604 U CN 215341604U
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Abstract
The utility model discloses a quick change device for an electrical element of an electrical teaching experiment table, and belongs to the technical field of teaching experiments. The magnetic iron positioning device comprises a base and an end cover, wherein the base comprises a rectangular shell with an opening at the top, a positioning boss is arranged at the top of the shell, a strong magnet is arranged on a bottom plate in the shell, and base connecting holes are formed in four corners of the shell; the end cover comprises a rectangular shell with an opening at the bottom, a positioning groove matched with the positioning boss is formed in the bottom of the shell, and end cover connecting holes matched and connected with the base connecting holes are formed in four corners of the shell. The utility model utilizes the strong magnet on the bottom plate in the base and the adsorption force generated by the experiment table panel through the strong magnet, conveniently realizes the quick assembly, disassembly and adjustment of the electrical element on the experiment table panel, saves the operation time of students, greatly reduces the operation intensity of the students, improves the connection efficiency of an electrical experiment loop, obviously improves the teaching effect of electrical experiment teaching, and has simple structure and reliable performance.
Description
Technical Field
The utility model relates to the field of teaching experiments, in particular to a quick change device for an electrical element of an electrical teaching experiment table.
Background
At present, in the existing electric experiment table for teaching, the modes of installing electric elements on the panel of the experiment table mainly comprise a jack type and a hook type. The two modes cause inconvenience for the use of the experiment table in the teaching process, students need to repeatedly assemble, disassemble and replace the electrical elements in the experiment process, and the existing installation method of the electrical elements needs to position or correspond to the clamping grooves, so that the operation is inconvenient; in addition, the positions of the clamping grooves on the existing experiment table panel are also fixed, the positions of the adjusting control elements are limited when students operate, the students need to do actions of lifting the elements with hands or pressing buckles and the like in the existing electric element installation method, the operation difficulty and the intensity of the students are increased, the students need to have certain experience and technical level when the students want to smoothly install the electric elements on the experiment table panel, a large amount of physical strength and energy of the students are consumed during operation, the attention of the students is dispersed, the efficiency of electric experiment loop connection is low, and the electric experiment teaching is not facilitated.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a quick change device for an electrical element of an electrical teaching experiment table, which comprises a base and an end cover, wherein the quick change device utilizes strong magnets on a bottom plate in the base and adsorption force generated by an experiment table panel through the strong magnets to conveniently realize quick assembly, disassembly and adjustment of the electrical element on the experiment table panel, saves the operation time of students, greatly reduces the operation intensity of the students and improves the connection efficiency of an electrical experiment loop.
Another object of the present invention is to provide a quick-change device for electrical components of an electrical teaching experiment table, which comprises a base and an end cover;
the base comprises a rectangular shell with an opening at the top, a positioning boss is arranged at the top of the shell, a strong magnet mounting groove is formed in a bottom plate in the shell, a strong magnet is mounted in the strong magnet mounting groove, and base connecting holes are formed in four corners of the shell;
the end cover comprises a rectangular shell with an opening at the bottom, a positioning groove matched with the positioning boss is formed in the bottom of the shell, element connecting holes are formed in the top of the shell, and end cover connecting holes matched and connected with the base connecting holes are formed in four corners of the shell.
As an improvement of the utility model, the number of the strong magnets is at least two, and the strong magnets are uniformly distributed at the central position close to the base bottom plate.
As an improvement of the utility model, the base connecting hole is an internal threaded hole, and the end cover connecting hole is a through hole.
As an improvement of the utility model, the base connecting hole and the end cover connecting hole are both through holes, and the bottom of the base connecting hole is provided with a counter bore.
As an improvement of the utility model, an anti-abrasion buffer rubber pad is arranged on the bottom surface of the base.
As an improvement of the utility model, the base, the strong magnet installation groove and the positioning boss are of an integrated structure formed by integral injection molding; the end cover and the positioning groove are of an integrated structure formed by integral injection molding.
As an improvement of the utility model, one side of the base is provided with a base wiring hole; and the top of the end cover is provided with an end cover wiring hole.
The utility model has the beneficial effects that: a quick change device for an electrical element of an electrical teaching experiment table comprises a base and an end cover, wherein the base comprises a rectangular shell with an opening at the top, a positioning boss is arranged at the top of the shell, a strong magnet mounting groove is formed in a bottom plate in the shell, the strong magnet is mounted in the strong magnet mounting groove, and base connecting holes are formed in four corners of the shell; the end cover comprises a rectangular shell with an opening at the bottom, a positioning groove matched with the positioning boss is formed in the bottom of the shell, element connecting holes are formed in the top of the shell, and end cover connecting holes matched and connected with the base connecting holes are formed in four corners of the shell; the utility model utilizes the strong magnet on the bottom plate in the base and the adsorption force generated by the experiment table panel through the strong magnet, conveniently realizes the quick assembly, disassembly and adjustment of the electrical element on the experiment table panel, saves the operation time of students, greatly reduces the operation intensity of the students, improves the connection efficiency of an electrical experiment loop, obviously improves the teaching effect of electrical experiment teaching, and has simple structure and reliable performance.
Furthermore, the strong magnets are at least two and are uniformly distributed at the central position close to the base bottom plate, so that the adsorption force is more uniform, and the adsorption effect is excellent.
Furthermore, the base connecting hole is an internal threaded hole, and the end cover connecting hole is a through hole. When the base is connected with the end cover, the screw penetrates through the through hole above the end cover to the inner thread of the base, so that the base is connected with the end cover, the structure is simple, and the connection is convenient.
Furthermore, the base connecting hole and the end cover connecting hole are through holes, and a counter bore is formed in the bottom of the base connecting hole. When the base is connected with the end cover, the screw penetrates through the counter bore, the base connecting hole above the counter bore and the end cover connecting hole in sequence, and finally the screw is screwed down through the nut, so that the base is connected with the end cover, the structure is simple, and the processing and the connection are convenient.
Furthermore, an anti-abrasion buffer rubber pad is arranged on the bottom surface of the base. The anti-abrasion buffer rubber pad mainly plays a role in buffering and noise reduction.
Further, the base, the strong magnet installation groove and the positioning boss are of an integrated structure formed by integral injection molding; the end cover and the positioning groove are of an integrated structure formed by integral injection molding, and the structure is simple, the manufacturing is convenient, and the cost is low.
Furthermore, one side of the base is provided with a base wiring hole; and the top of the end cover is provided with an end cover wiring hole. Through the design in base wiring hole and end cover wiring hole, for the component (for example solenoid directional valve, pressure relay, various sensors etc.) that need 24V power in the electrical test provide with this quick change device connecting wire mouth as an organic whole, make things convenient for the adjustment of electrical experiment component position, the winding displacement is standard, clean and tidy.
Drawings
Fig. 1 is a schematic structural diagram of a base according to a first embodiment of the utility model;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural diagram of an end cap according to a first embodiment of the present invention;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a schematic structural diagram of a base in the second embodiment of the utility model.
In the figure, 1, a base; 11. a base connection hole; 111. a countersunk hole; 12. positioning the boss; 13. an anti-abrasion buffer rubber pad; 14. a strong magnet mounting groove; 15. strong magnets; 16. a base wiring hole; 2. an end cap; 21. a positioning groove; 22. an end cap connection hole; 23. an element connection hole; 24. and an end cover wiring hole.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the utility model.
It should be noted that the terms "top", "bottom", "left", "right", and the like in the embodiments of the present invention are only relative concepts or reference to the normal use state of the product, and should not be considered as limiting.
The first embodiment is as follows:
as shown in fig. 1, fig. 2, fig. 3 and fig. 4, an electrical component quick-change device for an electrical teaching experiment table comprises a base 1 and an end cover 2. Base 1 includes open-top's rectangle casing, and the casing top is equipped with location boss 12, is equipped with strong magnet mounting groove 14 on the bottom plate in the casing, and strong magnet 15 is installed in strong magnet mounting groove 14, and as preferred, strong magnet 15 is two at least and evenly distributes and put at the central point who is close to base 1 bottom plate, and this embodiment is two strong magnets 15, and sets up the central point department of putting at base 1's bottom plate. Base connecting holes 11 have all been seted up at the casing four corners, and preferably, base connecting hole 11 is an internal thread hole, and the internal thread hole is a blind hole and thread length is greater than the length of connecting screw thread, and end cover connecting hole 22 is a through-hole, and when base 1 was connected with end cover 2, use the screw to pass end cover connecting hole 22 to the internal thread department of base 1 of end cover 2 top, and then realized being connected between base 1 and the end cover 2. The end cover 2 comprises a rectangular shell with an opening at the bottom, a positioning groove 21 matched with the positioning boss 12 is arranged at the bottom of the shell, an element connecting hole 23 is formed in the top of the shell, and end cover connecting holes 22 matched and connected with the base connecting holes 11 are formed in four corners of the shell.
Preferably, the bottom surface of the base 1 is provided with an anti-abrasion buffer rubber pad 13, the bottom surface of the base 1 refers to a plane directly contacted with the experiment table panel, and the anti-abrasion buffer rubber pad 13 mainly plays a role in buffering and noise reduction.
Preferably, the base 1, the strong magnet installation groove 14 and the positioning boss 12 are of an integral structure formed by integral injection molding; the end cover 2 and the positioning groove 21 are of an integral structure formed by integral injection molding. Through whole injection moulding, simple structure, the preparation is convenient, low cost.
Preferably, one side of the base 1 is provided with a base wiring hole 16; the top of the end cover 2 is provided with an end cover wiring hole 24. The specific positions and the number of the base wiring holes 16 and the end cover wiring holes 24 can be determined according to actual needs, and the implementation does not limit the base wiring holes 16, in the embodiment, the positions of the base wiring holes 16 are arranged on the left side plate of the base 1, the number of the base wiring holes is two, and connecting wire ports integrated with the device are provided for elements (such as an electromagnetic directional valve, a pressure relay, various sensors and the like) needing 24V power supply in an electrical test, so that the position adjustment of the elements in the electrical test is facilitated; the end cap wiring holes 24 are provided at a side opposite to the element connection holes 23 and four in number, and the element connection holes 23 may be bolt holes through which various electrical experimental elements (e.g., a cylinder, a direction control valve, a pressure control valve, a speed control valve, etc.) are fixedly mounted on the end cap 2.
When base 1 is connected with end cover 2, use four screws to pass the end cover connecting hole 22 to the internal thread department of base 1 in the four corners of end cover 2 top, fix a position by location boss 12 and positioning groove 21, and then realize being connected between base 1 and the end cover 2.
Example two:
as shown in fig. 5, a quick changing apparatus for electrical components of an electrical teaching experiment table in this embodiment is different from the first embodiment in that: the base connecting hole 11 and the end cover connecting hole 22 are through holes, and a counter sink 111 is arranged at the bottom of the base connecting hole 11. When base 1 is connected with end cover 2, use the screw to pass the base connecting hole 11 and the end cover connecting hole 22 of counter bore 111, counter bore 111 top in proper order, screw up through the nut at last, and then realize being connected between base 1 and the end cover 2, for embodiment one, the base connecting hole 11 in this embodiment need not process the internal thread hole, and processing is simple, low cost. It should be noted that the screw may be a countersunk screw or a bolt, and the structural shape of the countersunk hole 111 is adapted to the external shape of the head of the screw, so that the head of the screw completely enters into the countersunk hole 111, and the phenomenon that the head of the screw extends downward out of the bottom surface of the base 1 to affect the installation between the present invention and the experiment table panel and damage the experiment table panel is avoided.
The above is a detailed description of the quick-change device for electrical elements of an electrical teaching experiment table provided by the present invention, and a specific example is applied in the present document to explain the structural principle and the implementation manner of the present invention, and the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (7)
1. The utility model provides an electric elements quick change device for electric teaching laboratory bench which characterized in that: comprises a base and an end cover;
the base comprises a rectangular shell with an opening at the top, a positioning boss is arranged at the top of the shell, a strong magnet mounting groove is formed in a bottom plate in the shell, a strong magnet is mounted in the strong magnet mounting groove, and base connecting holes are formed in four corners of the shell;
the end cover comprises a rectangular shell with an opening at the bottom, a positioning groove matched with the positioning boss is formed in the bottom of the shell, element connecting holes are formed in the top of the shell, and end cover connecting holes matched and connected with the base connecting holes are formed in four corners of the shell.
2. The quick-change device for the electrical elements of the electrical teaching experiment table according to claim 1, characterized in that: the number of the strong magnets is at least two, and the strong magnets are uniformly distributed at the central position close to the base bottom plate.
3. The quick-change device for the electrical elements of the electrical teaching experiment table according to claim 1, characterized in that: the base connecting hole is an internal threaded hole, and the end cover connecting hole is a through hole.
4. The quick-change device for the electrical elements of the electrical teaching experiment table according to claim 1, characterized in that: the base connecting hole and the end cover connecting hole are through holes, and a counter sink is arranged at the bottom of the base connecting hole.
5. The quick-change device for the electrical elements of the electrical teaching experiment table according to claim 1, characterized in that: and an anti-abrasion buffer rubber pad is arranged on the bottom surface of the base.
6. The quick-change device for the electrical elements of the electrical teaching experiment table according to claim 1, characterized in that: the base, the strong magnet installation groove and the positioning boss are of an integrated structure formed by integral injection molding; the end cover and the positioning groove are of an integrated structure formed by integral injection molding.
7. The quick-change device for the electrical elements of the electrical teaching experiment table according to any one of claims 1 to 6, characterized in that: one side of the base is provided with a base wiring hole; and the top of the end cover is provided with an end cover wiring hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120915091.7U CN215341604U (en) | 2021-04-29 | 2021-04-29 | A electric elements quick change device for electric teaching laboratory bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120915091.7U CN215341604U (en) | 2021-04-29 | 2021-04-29 | A electric elements quick change device for electric teaching laboratory bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215341604U true CN215341604U (en) | 2021-12-28 |
Family
ID=79596940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120915091.7U Active CN215341604U (en) | 2021-04-29 | 2021-04-29 | A electric elements quick change device for electric teaching laboratory bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215341604U (en) |
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2021
- 2021-04-29 CN CN202120915091.7U patent/CN215341604U/en active Active
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