Multifunctional mechanics demonstration device convenient to operate

Abstract

The invention relates to the technical field of mechanics demonstration, in particular to a convenient-to-operate multifunctional mechanics demonstration device which comprises a shell, a limiting assembly is arranged at the top of the shell, an adjusting assembly is arranged in the shell, a hanging assembly is arranged on the back face of the shell, and a supporting assembly is arranged at the bottom of the shell. The limiting assembly comprises an inserting plate inserted in the upper surface of the shell, an inserting groove is formed in the top of the inserting plate, a groove is formed in the front surface of the inserting plate, an iron plate is embedded in the inner wall of the groove, a screw is in threaded connection with the front surface of the iron plate, one end of the screw is rotationally connected with a fixed pulley through a rotating shaft, and the adjusting assembly comprises two transverse rods arranged in the shell. The positions of the limiting pipes on the two sides can be adjusted according to demonstration requirements in the using process through the arranged adjusting assembly, so that the positions of the pull ropes on one sides of the limiting pipes can be adjusted, meanwhile, the parts can be conveniently adjusted to the positions where the fixed pulleys are not hindered, and use of workers is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of mechanics demonstration, in particular to a multifunctional mechanics demonstration device which is easy to operate. Background Art

[0002] It takes particles as the research objects and focuses on the relationship between forces. When dealing with particle system problems, it emphasizes considering the forces acting on each particle separately, and then inferring the motion state of the entire particle system. Newtonian mechanics believes that mass and energy exist independently and are conserved respectively. It is only applicable to the inertial reference system of the object's motion. Newtonian mechanics uses more intuitive geometric methods. When solving simple mechanical problems, it is more convenient and simpler than analytical mechanics.

[0003] The existing patent, with the announcement number CN108320632A, discloses a mechanical demonstration device, including a connecting rod, a connecting piece, a force-bearing component and a support; the support is provided with a plurality of support plates side by side, and sliding rods are provided on both sides of the support, and pulleys are provided on the sliding rods, and the pulleys are slidably connected to the sliding rods; the force-bearing component includes a steel plate and a plurality of steel sheets, and the plurality of steel sheets are evenly distributed on the steel plate and perpendicular to the steel plate, and the steel plate is evenly distributed with through holes, and the through holes are located between adjacent steel sheets; the connecting piece includes a vertical rod and a horizontal rod, and the vertical rod is hinged to the horizontal rod; there are two connecting rods and two connecting pieces, and the steel plate is detachably connected between the two connecting rods and the vertical rod, and the steel plate is detachably connected between the two horizontal rods, and the end of the connecting rod away from the steel plate is detachably connected to the support plate. The device in this scheme can vividly and intuitively show the mechanical deformation state of the force-bearing component in mechanics teaching, and is simple and convenient to assemble and disassemble.

[0004] Although the above application can vividly and intuitively demonstrate the mechanical deformation state of the force-bearing components in mechanics teaching, and is simple and easy to assemble and disassemble, the force conditions need to be recorded during the demonstration, and they need to be removed after the recording is completed. If it is inconvenient to adjust and record them according to the demonstration needs, it will affect the normal use of the device and reduce the convenience of the device in subsequent use.

[0005] In view of this, the present invention proposes a multifunctional mechanics demonstration device that is easy to operate to solve the above problems. Summary of the invention

[0006] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a multifunctional mechanics demonstration device that is easy to operate and has the advantages of being convenient for rapid adjustment, disassembly and recording of the device, thereby solving the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A multifunctional mechanics demonstration device which is easy to operate comprises a shell body, a limiting component is arranged on the top of the shell body, an adjusting component is arranged inside the shell body, a hanging component is arranged on the back of the shell body, and a supporting component is arranged on the bottom of the shell body.

[0009] The limit assembly includes an insert plate inserted on the upper surface of the shell, a slot is provided on the top of the insert plate, a groove is provided on the front surface of the insert plate, an iron plate is inlaid on the inner wall of the groove, a screw is threadedly connected to the front surface of the iron plate, and one end of the screw is rotatably connected to a fixed pulley through a rotating shaft.

[0010] The adjusting assembly includes two cross bars arranged inside the shell, bolts are inserted at both ends of the shell, one end of the bolt is threadedly connected to one end of the cross bar, adjusting rings are sleeved on both sides of the surface of the cross bar, a screw rod is inserted on one side of the adjusting ring, one end of the screw rod contacts one side of the cross bar, and the two adjusting rings on the same side are fixedly connected through a vertical rod, a limiting groove is provided on one side of the vertical rod, a limiting tube is sleeved on the surface of the vertical rod, a threaded rod is inserted on the front surface of the limiting tube, one end of the threaded rod abuts against one side of the inner wall of the limiting groove, a positioning hook is fixedly installed on one side of the limiting tube, a hanging ring is hung inside the positioning hook, a pull rope is fixedly installed on one end of the hanging ring, a movable pulley is provided on the surface of the pull rope, and a weight is hung on the hook at the bottom of the movable pulley.

[0011] As a preferred technical solution, a magnetic strip is magnetically adsorbed on the front surface of the iron plate, and a screw hole is opened on the front surface of the iron plate, and the screw hole is threadedly connected to the screw rod.

[0012] As a preferred technical solution, bolt holes for bolts to pass through are provided on one side of the shell and the cross bar, and the bolt holes are threadedly connected to the bolts. A rotating plate is fixedly installed on one end of the screw rod, and the surface of the rotating plate is provided with anti-slip grooves. A thread hole for the screw rod to pass through is provided on the adjusting ring, and the thread hole is threadedly connected to the screw rod, and a scale groove is provided on one side of the cross bar.

[0013] As an optimal technical solution, a clamping strip is fixedly installed on one side of the inner wall of the limiting tube, the clamping strip is located inside the limiting groove, one end of the threaded rod passes through the clamping strip and extends to the inside of the limiting groove, and a round hole is opened on the clamping strip for the threaded rod to pass through.

[0014] As a preferred technical solution, a plug-in rod is inserted into the front surface of the shell, a pull plate is fixedly installed on one end of the plug-in rod, a return spring is arranged around the surface of the plug-in rod, one end of the return spring is fixedly connected to one side of the shell, the other end of the return spring is fixedly connected to one side of the pull plate, and one end of the plug-in rod passes through the shell and is plugged into one side of the plug plate.

[0015] As a preferred technical solution, a board slot for the insertion board to pass through is opened on the top of the shell, and the inner wall of the board slot is slidably connected to the surface of the insertion board.

[0016] As a preferred technical solution, the suspension assembly includes a positioning plate fixedly mounted on the back of the shell, a positioning groove is provided on one side of the positioning plate, the positioning groove is composed of a circular hole and an oblong hole, the circular hole and the oblong hole are connected, and anti-slip pads are fixedly mounted on both sides of the back of the shell near the bottom, and anti-slip grooves are provided on one side of the anti-slip pad.

[0017] As a preferred technical solution, the support assembly includes a limit groove opened at the bottom of the shell, a limit strip is inserted inside the limit groove, a support plate is fixedly installed at the bottom of the limit strip, anti-slip grooves are opened on the lower surface of the support plate, and the limit groove is connected to the limit strip.

[0018] As a preferred technical solution, a rotating block is fixedly mounted on one end of the threaded rod, and anti-slip grooves are provided on the surface of the rotating block.

[0019] As a preferred technical solution, the movable pulley and the fixed pulley are located on the same plane.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] The present invention can adjust the positions of the limiting tubes on both sides according to the demonstration requirements through the adjustment components during use, thereby adjusting the position of the pull rope on one side of the limiting tube. It is also convenient to adjust the components to a position where the fixed pulley does not get in the way, which is convenient for use by staff.

[0022] The present invention provides a limit assembly, so that the iron plate on the plug board can be pulled out during use, and the demonstration paper can also be pasted and taken out, which is convenient for demonstrators to record and take and put operations, avoids inconvenience to the staff during the demonstration, and improves the convenience of use of the demonstration device.

[0023] The present invention can realize the demonstration operation of hanging the device on a wall or placing it on a desktop by providing a hanging component and a supporting component, thereby increasing the application scope of the device and facilitating the demonstration operation of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure from a first viewing angle of the present invention;

[0026] Figure 2 is a schematic diagram of a second viewing angle stereoscopic structure of the present invention;

[0027] Figure 3 It is a schematic diagram of the three-dimensional structure from a third viewing angle of the present invention;

[0028] Figure 4 For the present invention Figure 2 A schematic diagram of the structure enlargement in the middle;

[0029] Figure 5 For the present invention Figure 2 A magnified schematic diagram of the structure at B in the middle;

[0030] Figure 6 For the present invention Figure 1 A magnified schematic diagram of the structure at C in the middle;

[0031] Figure 7 For the present invention Figure 2 Enlarged schematic diagram of the structure at point D in the middle.

[0032] In the figure: 1. shell; 2. limit assembly; 200. plug plate; 201. iron plate; 202. screw; 203. fixed pulley; 204. magnetic strip; 205. pull plate; 206. reset spring; 207. plug-in rod; 3. adjustment assembly; 300. cross bar; 301. bolt; 302. adjustment ring; 303. screw rod; 304. vertical rod; 305. limit tube; 306. threaded rod; 307. clamping strip; 308. positioning hook; 309. hanging ring; 310. pull rope; 311. movable pulley; 312. weight; 4. suspension assembly; 400. positioning plate; 401. anti-slip pad; 5. support assembly; 500. limit strip; 501. support plate. DETAILED DESCRIPTION

[0033] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0034] According to the attached Figure 1-7 As shown, an embodiment of the present invention provides a multifunctional mechanical demonstration device that is easy to operate, including a shell 1, a limiting component 2 is arranged on the top of the shell 1, an adjusting component 3 is arranged inside the shell 1, a suspension component 4 is arranged on the back of the shell 1, and a supporting component 5 is arranged on the bottom of the shell 1.

[0035] The limiting component 2 includes an insert plate 200 inserted on the upper surface of the shell 1, a slot is provided on the top of the insert plate 200, a groove is provided on the front surface of the insert plate 200, an iron plate 201 is inlaid on the inner wall of the groove, a screw rod 202 is threadedly connected to the front surface of the iron plate 201, and one end of the screw rod 202 is rotatably connected to a fixed pulley 203 through a rotating shaft. The setting of the limiting component 2 can be used to pull out the iron plate 201 on the insert plate 200 during use, and the demonstration paper can also be pasted and removed, which is convenient for the demonstrator to record and take and put operations, avoids inconvenience to the staff during the demonstration, and improves the convenience of use of the demonstration device.

[0036] The adjustment assembly 3 includes two cross bars 300 arranged inside the shell 1, bolts 301 are inserted at both ends of the shell 1, one end of the bolt 301 is threadedly connected to one end of the cross bar 300, and adjustment rings 302 are sleeved on both sides of the surface of the cross bar 300, a screw rod 303 is inserted on one side of the adjustment ring 302, one end of the screw rod 303 contacts one side of the cross bar 300, and the two adjustment rings 302 on the same side are fixedly connected by a vertical rod 304, a limiting groove is provided on one side of the vertical rod 304, a limiting tube 305 is sleeved on the surface of the vertical rod 304, a threaded rod 306 is inserted on the front surface of the limiting tube 305, and one end of the threaded rod 306 A positioning hook 308 is fixedly installed on one side of the limiting tube 305, which abuts against one side of the inner wall of the limiting groove. A hanging ring 309 is hung inside the positioning hook 308. A pull rope 310 is fixedly installed on one end of the hanging ring 309. A movable pulley 311 is arranged on the surface of the pull rope 310. A weight 312 is hung on the hook at the bottom of the movable pulley 311. The set adjustment component 3 can adjust the position of the limiting tubes 305 on both sides according to the demonstration requirements during use, so as to adjust the position of the pull rope 310 on one side of the limiting tube 305. At the same time, it is also convenient to adjust the components to a position where the fixed pulley 203 does not get in the way, so as to facilitate the use of the staff.

[0037] As a preferred embodiment of the present invention, a magnetic strip 204 is magnetically adsorbed on the front surface of the iron plate 201 , and a screw hole is provided on the front surface of the iron plate 201 , and the screw hole is threadedly connected to the screw rod 202 .

[0038] It is worth mentioning that the magnetic strip 204 is provided to facilitate the adsorption of paper, and the screw rod 202 is threadedly connected to the screw hole to facilitate the disassembly and assembly of the fixed pulley 203.

[0039] As a preferred embodiment of the present invention, bolt holes for passing bolts 301 are provided on one side of the shell 1 and the cross bar 300, and the bolt holes are threadedly connected to the bolts 301. A rotating plate is fixedly installed on one end of the screw rod 303, and the surface of the rotating plate is provided with anti-slip grooves. A thread hole for passing the screw rod 303 is provided on the adjusting ring 302, and the thread hole is threadedly connected to the screw rod 303. A scale groove is provided on one side of the cross bar 300. The setting of the scale groove makes it convenient to refer to it during adjustment and to adjust it according to the demonstration requirements.

[0040] As a preferred embodiment of this embodiment, a clamping strip 307 is fixedly installed on one side of the inner wall of the limiting tube 305, and the clamping strip 307 is located inside the limiting groove. One end of the threaded rod 306 passes through the clamping strip 307 and extends to the inside of the limiting groove. A circular hole is opened on the clamping strip 307 for the threaded rod 306 to pass through.

[0041] It is worth noting that the provision of the clamping strip 307 achieves the effect of preventing the limiting tube 305 from rotating on the surface of the vertical rod 304, thereby maintaining the normal use of the component.

[0042] As a preferred embodiment of the present invention, a plug-in rod 207 is inserted into the front surface of the shell 1, a pull plate 205 is fixedly installed on one end of the plug-in rod 207, a return spring 206 is arranged around the surface of the plug-in rod 207, one end of the return spring 206 is fixedly connected to one side of the shell 1, the other end of the return spring 206 is fixedly connected to one side of the pull plate 205, and one end of the plug-in rod 207 passes through the shell 1 and is plugged into one side of the plug plate 200.

[0043] It is worth noting that the setting of the reset spring 206 achieves the effect of facilitating the reset of the plug-in rod 207 on the pull plate 205 , and keeps the plug-in rod 207 plugged into one side of the plug-in plate 200 .

[0044] As a preferred embodiment of the present invention, a board slot for the insertion board 200 to pass through is formed on the top of the housing 1 , and the inner wall of the board slot is slidably connected to the surface of the insertion board 200 .

[0045] It is worth noting that the arrangement of the board slot achieves the effect of facilitating the passage of the plug board 200 , thereby facilitating the movement of the plug board 200 on the housing 1 .

[0046] As a preferred embodiment of the present invention, the suspension assembly 4 includes a positioning plate 400 fixedly mounted on the back side of the shell 1, a positioning groove is provided on one side of the positioning plate 400, the positioning groove is composed of a circular hole and an oblong hole, the circular hole and the oblong hole are connected, and anti-slip pads 401 are fixedly mounted on both sides of the back side of the shell 1 near the bottom, and anti-slip grooves are provided on one side of the anti-slip pad 401.

[0047] It is worth noting that the provided hanging assembly 4 and supporting assembly 5 can realize the demonstration operation of the device by hanging it on a wall or placing it on a desktop, thereby increasing the application scope of the device and facilitating the demonstration operation of the device.

[0048] As a preferred embodiment of the present invention, the support assembly 5 includes a limiting groove opened at the bottom of the shell 1, a limiting strip 500 is inserted inside the limiting groove, a support plate 501 is fixedly installed at the bottom of the limiting strip 500, anti-slip grooves are opened on the lower surface of the support plate 501, and the limiting groove is plugged into the limiting strip 500.

[0049] It is worth mentioning that the arrangement of the support plate 501 and the limiting strip 500 achieves the effect of facilitating the support thereof, facilitating the placement operation of the device, and thus facilitating the use of the staff.

[0050] As a preferred embodiment of this embodiment, a rotating block is fixedly mounted on one end of the threaded rod 306, and an anti-slip pattern is provided on the surface of the rotating block.

[0051] It is worth noting that the setting of the rotating block achieves the effect of facilitating the rotation of the threaded rod 306, thereby facilitating the rotation thereof.

[0052] As a preference of this embodiment, the movable pulley 311 and the fixed pulley 203 are located on the same plane. The movable pulley 311 and the fixed pulley 203 are arranged to be located on the same plane to reduce interference from external forces during demonstration and maintain the structural accuracy of the demonstration.

[0053] The multifunctional mechanics demonstration device of the present invention is easy to operate. When the device needs to be placed on a desktop for demonstration, the support plate 501 on the limit bar 500 is pulled out to increase the supporting center of gravity of the device, and then the device is placed on the desktop. When it needs to be hung, the positioning hole on the positioning plate 400 is hung on a nail on the wall, and one side of the anti-slip pad 401 contacts one side of the wall. The positioning plate 400 is set to have the same thickness as the anti-slip pad 401, so the entire device can be kept on the same vertical horizontal plane.

[0054] When the cross bar 300 and the vertical bar 304 need to be installed, the adjusting ring 302 is sleeved on the cross bar 300, and then the cross bar 300 is placed inside the shell 1 and the bolt 301 is tightened. Then, the screw rod 303 is tightened after it is adjusted to a suitable position. When the limiting tube 305 is adjusted to a suitable position, the threaded rod 306 is tightened, and then the hanging ring 309 at one end of the pull rope 310 is hung on the positioning hook 308. Then, the other end of the pull rope 310 passes through the movable pulley 311 and the hanging ring 309 at one end is hung on the positioning hook 308 on the other side, and then the operation can be demonstrated.

[0055] When it is necessary to stick the recording paper, remove the magnetic strip 204, then place the paper on one side of the iron plate 201 and insert the magnetic strip 204 to clamp it. When it is necessary to take out the paper, pull the plug rod 207 on the pull plate 205, and then pull out the plug plate 200, thereby taking out the components inside the groove of the plug plate 200, and at the same time, the paper on one side of the iron plate 201 can also be taken out.

[0056] The basic principles, main features and advantages of the present invention are described above in conjunction with specific embodiments. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A multifunctional mechanical demonstration device that is easy to operate, comprising a housing (1), characterized in that: A limit assembly (2) is arranged on the top of the shell (1), an adjustment assembly (3) is arranged inside the shell (1), a suspension assembly (4) is arranged on the back of the shell (1), and a support assembly (5) is arranged on the bottom of the shell (1); The limit assembly (2) comprises an insert plate (200) inserted on the upper surface of the housing (1), a slot is provided on the top of the insert plate (200), a groove is provided on the front surface of the insert plate (200), an iron plate (201) is inlaid on the inner wall of the groove, a screw rod (202) is threadedly connected to the front surface of the iron plate (201), and one end of the screw rod (202) is rotatably connected to a fixed pulley (203) via a rotating shaft; The adjustment assembly (3) comprises two cross bars (300) arranged inside the housing (1), bolts (301) are inserted at both ends of the housing (1), one end of the bolt (301) is threadedly connected to one end of the cross bar (300), adjustment rings (302) are sleeved on both sides of the surface of the cross bar (300), a screw rod (303) is inserted on one side of the adjustment ring (302), one end of the screw rod (303) contacts one side of the cross bar (300), and the two adjustment rings (302) on the same side are fixedly connected by a vertical rod (304), and a limited opening is provided on one side of the vertical rod (304). A positioning groove is formed, a limiting tube (305) is sleeved on the surface of the vertical rod (304), a threaded rod (306) is inserted into the front surface of the limiting tube (305), one end of the threaded rod (306) is in contact with one side of the inner wall of the limiting groove, a positioning hook (308) is fixedly installed on one side of the limiting tube (305), a hanging ring (309) is hung inside the positioning hook (308), a pull rope (310) is fixedly installed on one end of the hanging ring (309), a movable pulley (311) is arranged on the surface of the pull rope (310), and a weight (312) is hung on the hook at the bottom of the movable pulley (311).

2. A multifunctional mechanics demonstration device that is easy to operate according to claim 1, characterized in that: A magnetic attraction strip (204) is magnetically attracted on the front surface of the iron plate (201), and a screw hole is provided on the front surface of the iron plate (201), and the screw hole is threadedly connected to the screw rod (202).

3. A multifunctional mechanics demonstration device that is easy to operate according to claim 1, characterized in that: The housing (1) and the cross bar (300) are each provided with a bolt hole for the bolt (301) to pass through, the bolt hole being threadedly connected to the bolt (301), a rotating plate being fixedly mounted on one end of the screw rod (303), the surface of the rotating plate being provided with anti-slip grooves, a thread hole for the screw rod (303) to pass through is provided on the adjusting ring (302), the thread hole being threadedly connected to the screw rod (303), and a scale groove is provided on one side of the cross bar (300).

4. The multifunctional mechanics demonstration device that is easy to operate according to claim 1, characterized in that: A clamping strip (307) is fixedly mounted on one side of the inner wall of the limiting tube (305), the clamping strip (307) is located inside the limiting groove, one end of the threaded rod (306) passes through the clamping strip (307) and extends to the inside of the limiting groove, and a circular hole is provided on the clamping strip (307) for the threaded rod (306) to pass through.

5. The multifunctional mechanics demonstration device that is easy to operate according to claim 1, characterized in that: A plug-in rod (207) is inserted into the front surface of the shell (1), a pull plate (205) is fixedly mounted on one end of the plug-in rod (207), a return spring (206) is arranged around the surface of the plug-in rod (20), one end of the return spring (206) is fixedly connected to one side of the shell (1), the other end of the return spring (206) is fixedly connected to one side of the pull plate (205), and one end of the plug-in rod (207) passes through the shell (1) and is plugged into one side of the plug plate (200).

6. The multifunctional mechanics demonstration device that is easy to operate according to claim 1, characterized in that: The top of the housing (1) is provided with a plate groove for the insertion plate (200) to pass through, and the inner wall of the plate groove is slidably connected to the surface of the insertion plate (200).

7. The multifunctional mechanics demonstration device that is easy to operate according to claim 1, characterized in that: The suspension assembly (4) comprises a positioning plate (400) fixedly mounted on the back of the housing (1); a positioning groove is provided on one side of the positioning plate (400); the positioning groove is composed of a round hole and an oblong hole; the round hole and the oblong hole are connected; anti-skid pads (401) are fixedly mounted on both sides of the back of the housing (1) near the bottom; and anti-skid grooves are provided on one side of the anti-skid pad (401).

8. The multifunctional mechanics demonstration device that is easy to operate according to claim 1, characterized in that: The support assembly (5) comprises a limiting groove formed at the bottom of the housing (1), a limiting strip (500) being inserted into the limiting groove, a supporting plate (501) being fixedly mounted at the bottom of the limiting strip (500), an anti-slip pattern being formed on the lower surface of the supporting plate (501), and the limiting groove and the limiting strip (500) being plugged into each other.

9. The multifunctional mechanics demonstration device that is easy to operate according to claim 1, characterized in that: A rotating block is fixedly mounted on one end of the threaded rod (306), and anti-slip grooves are provided on the surface of the rotating block.

10. The multifunctional mechanics demonstration device that is easy to operate according to claim 1, characterized in that: The movable pulley (311) and the fixed pulley (203) are located on the same plane.

Images