Cable storage device of physical experiment instrument

Abstract

The utility model discloses a cable storage device of a physical experiment instrument, which relates to the technical field of teaching appliances, and comprises a storage box main body and two groups of cable winding assemblies, a storage cavity is arranged in the storage box main body, and the two groups of cable winding assemblies are arranged in the storage cavity; the cable winding assembly comprises a first clamping rod, a rotary mounting rod, a plurality of winding discs and a second clamping rod, the first clamping rod and the second clamping rod are arranged on the two sides of the rotary mounting rod respectively, electrode chucks at the two ends of a wire can be clamped on the first clamping rod and the second clamping rod respectively, and the rotary mounting rod can be sequentially sleeved with the winding discs; a locking sleeve is arranged at the top of the rotary mounting rod, the lower end of the locking sleeve can be sleeved with the top of the rotary mounting rod, a plurality of grooves are formed in the upper end of the locking sleeve, and the problems that when wires of existing physical experiment instruments are stored, the wires are prone to being wound, a large amount of time needs to be spent for sorting out the wires, and whether the wires are completely stored or not cannot be determined are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching tools, in particular to a cable storage device for a physical experiment instrument. Background Art

[0002] In middle school physics, to help students more intuitively understand physical concepts and cultivate their observation and experimental skills, several physics experiments are often conducted. Examples include experiments on mass and gravity, light refraction, and directional current. The directional current experiment primarily uses instruments such as batteries, wires with electrode clamps at both ends, light bulbs, voltmeters, and ammeters.

[0003] Currently, after completing the directional current experiment, students usually directly store the wires in a container. This storage method is prone to wire entanglement, which means that in the second experiment, it takes a lot of time to sort out the wires. It also makes it difficult for teachers to determine whether all the wires have been stored.

[0004] In the utility model application number: CN201820583294.9, publication number: CN208320820U, a storage cabinet for physical experiment equipment for high school students is disclosed, which includes a cabinet body, partitions, hooks, slide rails, magnets and rollers. Although it can solve the problem of wire entanglement, it still has the problem that teachers cannot be sure whether all the wires are stored. Utility Model Content

[0005] Based on this, in order to solve the above problems, the utility model proposes a cable storage device for physical experiment instruments, which solves the problem that the wires of current physical experiment instruments are easily entangled when being stored, and it takes a lot of time to sort out the wires and it is impossible to determine whether all the wires are stored.

[0006] The technical solution of the utility model is:

[0007] A cable storage device for a physical experiment instrument comprises a storage box body and two sets of cable winding assemblies. The storage box body is provided with a receiving cavity, and the two sets of cable winding assemblies are arranged in the receiving cavity.

[0008] The cable winding assembly includes a first clamping rod, a rotating mounting rod, a plurality of winding reels, and a second clamping rod. The first clamping rod and the second clamping rod are respectively arranged on both sides of the rotating mounting rod. The electrode clamps at both ends of the wire can be clamped on the first clamping rod and the second clamping rod respectively. The plurality of winding reels can be sequentially sleeved on the rotating mounting rod and have a clearance fit with the rotating mounting rod for winding the wire.

[0009] A locking sleeve is provided at the top of the rotating mounting rod. The lower end of the locking sleeve can be inserted into the top of the rotating mounting rod and is threadedly connected to the rotating mounting rod. The end of the lower end of the locking sleeve can contact the top of the winding disk to limit the winding disk from detaching from the rotating mounting rod. Several grooves are provided at the upper end of the locking sleeve.

[0010] Preferably, a first partition plate is provided in the accommodating cavity, which divides the accommodating cavity into a first cavity and a second cavity, and two groups of cable winding assemblies are respectively arranged in the first cavity and the second cavity, wherein a group of cable winding assemblies located in the first cavity is used to wind up the wires for connecting the positive pole, and a group of cable winding assemblies located in the second cavity is used to wind up the wires for connecting the negative pole.

[0011] Preferably, a second partition plate is provided in the first cavity, which divides the first cavity into an ammeter placement cavity and a first cable placement cavity. The ammeter placement cavity is arranged above the first cable placement cavity, and the ammeter placement cavity is used to place the ammeter. A group of cable winding assemblies located in the first cavity are arranged in the first cable placement cavity.

[0012] Preferably, a third partition plate is provided in the second cavity, which divides the second cavity into a voltmeter placement cavity and a second cable placement cavity. The voltmeter placement cavity is arranged above the second cable placement cavity, and the voltmeter placement cavity is used to place the voltmeter. A group of cable winding assemblies located in the second cavity are arranged in the second cable placement cavity.

[0013] Preferably, both sides of the first clamping rod and the second clamping rod are provided with clamping planes that cooperate with the electrode clamps at both ends of the wire.

[0014] Preferably, the winding reel includes a first reel body, a second reel body and a winding portion arranged between the first reel body and the second reel body, the two ends of the winding portion are fixedly connected to the first reel body and the second reel body respectively, and a connecting opening is provided in the middle of the winding portion to cooperate with the rotating mounting rod. The connecting opening passes through the winding portion, and the winding reel can be sleeved on the rotating mounting rod through the connecting opening and is loosely matched with the rotating mounting rod.

[0015] Preferably, the first disc body and the second disc body are provided with limiting openings.

[0016] Preferably, the storage box body includes a box body and a box cover, one end of the box cover is hinged to one end of the box body through a pair of hinges, and the other end is snap-connected through a pair of buckles.

[0017] Preferably, the hinge includes a first fixing plate, a second fixing plate and a connecting rod, one end of the first fixing plate is fixedly connected to the box cover, and the other end is provided with three hook-shaped limiting parts, the connecting rod is arranged on the first fixing plate, and passes through the three hook-shaped limiting parts and is fixedly connected to the three hook-shaped limiting parts, and there are two limiting slots between the three hook-shaped limiting parts, one end of the second fixing plate is arranged on the box body, and the other end is provided with a hook-shaped limiting plate arranged to cooperate with the two limiting slots, the two hook-shaped limiting plates can be respectively inserted into the limiting slots and are rotatably connected to the connecting rod.

[0018] Preferably, the clip includes a first clip, a mounting seat, a return spring and a second clip, one end of the first clip is fixedly connected to the box cover, the other end of the first clip is provided with a bending limit portion, the mounting seat is arranged on the box body and is detachably connected to the box body, one end of the mounting seat is provided with a first limiting slide, the first limiting slide passes through the mounting seat, the middle of the mounting seat is provided with a second limiting slide, the second limiting slide passes through the mounting seat, the return spring is arranged in the mounting seat, and the two ends of the return spring respectively pass through the first limiting slide and are slidably connected to the first limiting slide, the ends of the two ends of the return spring extend into the second limiting slide and are slidably connected to the second limiting slide, one end of the second clip is arranged in the mounting seat and is rotatably connected with the part of the return spring located in the mounting seat, the second clip is slidably engaged with the mounting seat, and the other end of the second clip is provided with a bending clip that cooperates with the bending limit portion.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] The utility model provides two sets of cable reel assemblies for reeling in the wires. When reeling in for the first time, the locking sleeve on the top of the rotating mounting rod can be removed, and then the plurality of reel drums sleeved on the rotating mounting rod can be removed one by one. Then, the wires with electrode clamps at both ends can be reeled in on the reel drum, and each reel drum only reels in one wire. Then, the reel drum with the reeled in wires can be sleeved on the rotating mounting rod, and then the electrode clamps at both ends of the wire can be clamped on the first clamping rod and the second clamping rod respectively. After the reel drum has reeled in the wires and sleeved on the rotating mounting rod, the locking sleeve can be screwed in again to fix the reel drum, thereby completing the initial reeling.

[0021] When the wire is needed in subsequent experiments, you only need to remove the locking sleeve and then take out the required number of winding reels; after completing the experiment, you only need to rewind the wire on the corresponding winding reel, and then put the winding reel back into the rotating mounting rod, and then clamp the electrode clamps at both ends of the wire on the first clamping rod and the second clamping rod respectively, and then re-tighten the locking sleeve to complete the storage.

[0022] Compared with the traditional cable winding method, the utility model can take out the corresponding winding reel according to the number of wires required for the experiment. After completing the experiment, you only need to check the number of winding reels to confirm the number of wires, which facilitates the storage of wires and solves the problem that the wires of current physical experimental instruments are easily entangled when being stored, and it takes a lot of time to sort out the wires and it is impossible to determine whether all the wires are stored. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of a cable storage device for a physical experiment instrument described in an embodiment of the present utility model. Figure 1 ;

[0024] Figure 2 This is a schematic diagram of the structure of a cable storage device for a physical experiment instrument described in an embodiment of the present utility model. Figure 2 ;

[0025] Figure 3 This is a partial structural diagram of a cable storage device for a physical experiment instrument described in an embodiment of the present utility model. Figure 1 ;

[0026] Figure 4 This is a partial structural diagram of a cable storage device for a physical experiment instrument described in an embodiment of the present utility model. Figure 2 ;

[0027] Figure 5 It is a structural schematic diagram of the cable reel assembly described in an embodiment of the present utility model;

[0028] Figure 6 It is a structural schematic diagram of the hinge member described in the embodiment of the present utility model;

[0029] Figure 7 This is a schematic diagram of the structure of the buckle described in the embodiment of the utility model Figure 1 ;

[0030] Figure 8 This is a schematic diagram of the structure of the buckle described in the embodiment of the utility model Figure 2 ;

[0031] Description of reference numerals:

[0032] 10-Storage box body, 100-Accommodation cavity, 101-First partition plate, 102-First cavity, 103-Second cavity, 104-Second partition plate, 105-Ammeter placement cavity, 106-First cable placement cavity, 107-Third partition plate, 108-Voltmeter placement cavity, 109-Second cable placement cavity, 110-Box body, 111-Box cover, 112-First handle, 113-Second handle, 20-Cable winding assembly, 200-First clamping rod, 201-Rotating mounting rod, 202-Reel, 203-Second clamping rod, 204-Locking sleeve, 205-groove, 206-clamping plane, 207-first disk body, 208-second disk body, 209-winding part, 210-limiting mouth, 30-hinge, 300-first fixing plate, 301-second fixing plate, 302-connecting rod, 303-hook-shaped limiting part, 304-limiting slot, 305-hook-shaped limiting piece, 40-clip, 400-first snap-fitting piece, 401-mounting seat, 402-reset spring, 403-second snap-fitting piece, 404-bending limiting part, 405-first limiting slide, 406-second limiting slide, 407-bending snap-fitting part. DETAILED DESCRIPTION

[0033] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0034] Example:

[0035] like Figures 1 to 5 As shown, in order to solve the above problems, this embodiment discloses a cable storage device for a physical experiment instrument, including a storage box body 10 and two sets of cable winding assemblies 20. The storage box body 10 is provided with a receiving cavity 100, and the two sets of cable winding assemblies 20 are arranged in the receiving cavity 100;

[0036] The cable winding assembly 20 includes a first clamping rod 200, a rotating mounting rod 201, a plurality of winding reels 202, and a second clamping rod 203. The first clamping rod 200 and the second clamping rod 203 are respectively arranged on both sides of the rotating mounting rod 201. The electrode clamps at both ends of the wire can be clamped on the first clamping rod 200 and the second clamping rod 203 respectively. The plurality of winding reels 202 can be sequentially sleeved on the rotating mounting rod 201 and have a clearance fit with the rotating mounting rod 201 for winding the wire.

[0037] A locking sleeve 204 is provided at the top of the rotating mounting rod 201. The lower end of the locking sleeve 204 can be inserted into the top of the rotating mounting rod 201 and is threadedly connected to the rotating mounting rod 201. The end of the lower end of the locking sleeve 204 can contact the top of the winding disk 202 to limit the winding disk 202 from being separated from the rotating mounting rod 201. A plurality of grooves 205 are provided at the upper end of the locking sleeve 204.

[0038] The utility model provides two sets of cable reel assemblies 20 for reeling in the wires. When reeling in the wires for the first time, the locking sleeve 204 on the top of the rotating mounting rod 201 can be removed, and then the plurality of reel drums 202 sleeved on the rotating mounting rod 201 can be removed one by one. Then, the wires with electrode clamps at both ends can be reeled in by the reel drum 202, with each reel drum 202 only reeling in one wire. Then, the reel drum 202 with the reeled wires can be sleeved into the rotating mounting rod 201, and then the electrode clamps at both ends of the wire can be clamped on the first clamping rod 200 and the second clamping rod 203 respectively. After the reel drum 202 has reeled in the wires and sleeved onto the rotating mounting rod 201, the locking sleeve 204 can be screwed in again to fix the reel drum 202, thereby completing the initial reeling.

[0039] When the wire is needed in subsequent experiments, it is only necessary to remove the locking sleeve 204 and then take out the required number of winding reels 202; after completing the experiment, it is only necessary to rewind the wire on the corresponding winding reel 202, and then re-insert the winding reel 202 into the rotating mounting rod 201, and then clamp the electrode clamps at both ends of the wire on the first clamping rod 200 and the second clamping rod 203 respectively, and then re-tighten the locking sleeve 204 to complete the storage.

[0040] Compared with the traditional cable winding method, the present invention can take out the corresponding winding reel 202 according to the number of wires required for the experiment. After completing the experiment, you only need to check the number of winding reels 202 to confirm the number of wires, which facilitates the storage of wires and solves the problem that the wires of current physical experimental instruments are easily entangled when being stored, and it takes a lot of time to sort out the wires and it is impossible to determine whether all the wires are stored.

[0041] The provision of the groove 205 can increase the friction between the locking sleeve 204 and the hand, making it easier to loosen or tighten the locking sleeve 204.

[0042] like Figures 3 and 4 As shown, generally speaking, the wires used in the directional current experiment in middle schools are red and black, and both ends are equipped with electrode clamps, where red is generally used for the positive pole and black is generally used for the negative pole. In order to facilitate the distinction and storage of the two colors of wires, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that a first partition plate 101 is provided in the accommodating cavity 100, and the first partition plate 101 divides the accommodating cavity 100 into a first cavity 102 and a second cavity 103. Two groups of cable winding assemblies 20 are respectively arranged in the first cavity 102 and the second cavity 103, where a group of cable winding assemblies 20 located in the first cavity 102 is used to wind up the wire for connecting the positive pole, and a group of cable winding assemblies 20 located in the second cavity 103 is used to wind up the wire for connecting the negative pole.

[0043] The red wire and the black wire are housed in the first cavity 102 and the second cavity 103 respectively, so that the two colors of wires can be effectively distinguished and housed.

[0044] Since ammeters and voltmeters are usually used in directional current experiments, in order to facilitate the storage of ammeters and voltmeters, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that a second partition plate 104 is provided in the first cavity 102, and the second partition plate 104 divides the first cavity 102 into an ammeter placement cavity 105 and a first cable placement cavity 106. The ammeter placement cavity 105 is arranged above the first cable placement cavity 106. The ammeter placement cavity 105 is used to place the ammeter, and a group of cable winding assemblies 20 located in the first cavity 102 are arranged in the first cable placement cavity 106.

[0045] Preferably, a third partition plate 107 is provided in the second cavity 103, and the third partition plate 107 divides the second cavity 103 into a voltmeter placement cavity 108 and a second cable placement cavity 109. The voltmeter placement cavity 108 is arranged above the second cable placement cavity 109. The voltmeter placement cavity 108 is used to place the voltmeter, and a group of cable winding assemblies 20 located in the second cavity 103 are arranged in the second cable placement cavity 109.

[0046] When in use, the ammeter placement cavity 105 and the voltmeter placement cavity 108 are provided to facilitate the storage and carrying of the ammeter and the voltmeter.

[0047] Preferably, both sides of the first clamping rod 200 and the second clamping rod 203 are provided with clamping planes 206 that cooperate with the electrode clamps at both ends of the wire.

[0048] The provision of the clamping plane 206 can facilitate better clamping of the electrode clamps at both ends of the wire on the first clamping rod 200 and the second clamping rod 203 .

[0049] like Figure 5 As shown, in order to facilitate the storage of wires, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that the winding drum 202 includes a first drum body 207, a second drum body 208 and a winding portion 209 arranged between the first drum body 207 and the second drum body 208. The two ends of the winding portion 209 are fixedly connected to the first drum body 207 and the second drum body 208 respectively. A connecting port is provided in the middle of the winding portion 209 to cooperate with the rotating mounting rod 201. The connecting port passes through the winding portion 209. The winding drum 202 can be sleeved on the rotating mounting rod 201 through the connecting port and is loosely matched with the rotating mounting rod 201.

[0050] Preferably, a limiting opening 210 is provided on the first disk body 207 and the second disk body 208 .

[0051] When storing the wire, one end of the wire is clamped at the limit opening 210, and the other end of the wire is wound on the winding part 209 to complete the winding of the wire. Then, the electrode clamps at both ends of the wire are clamped on the first clamping rod 200 and the second clamping rod 203 respectively to complete the storage of the wire.

[0052] like Figures 1 to 2 As shown, in order to facilitate the protection and storage of the ammeter, voltmeter and wires, and to facilitate their use during experiments, this embodiment is modified on the basis of the above embodiment. The difference from the above embodiment is that the storage box main body 10 includes a box body 110 and a box cover 111, and one end of the box cover 111 is hinged to one end of the box body 110 through a pair of hinges 30, and the other end is clamped through a pair of buckles 40.

[0053] like Figure 6 As shown, preferably, the hinge 30 includes a first fixing plate 300, a second fixing plate 301 and a connecting rod 302, one end of the first fixing plate 300 is fixedly connected to the box cover 111, and the other end is provided with three hook-shaped limiting portions 303, the connecting rod 302 is arranged on the first fixing plate 300, and passes through the three hook-shaped limiting portions 303 and is fixedly connected to the three hook-shaped limiting portions 303, and there are two limiting slots 304 between the three hook-shaped limiting portions 303, one end of the second fixing plate 301 is arranged on the box body 110, and the other end is provided with a hook-shaped limiting plate 305 which is matched with the two limiting slots 304, the two hook-shaped limiting plates 305 can be respectively inserted into the limiting slots 304, and are rotatably connected to the connecting rod 302.

[0054] like Figures 7 and 8 As shown, preferably, the buckle 40 includes a first clamping piece 400, a mounting seat 401, a return spring 402 and a second clamping piece 403, one end of the first clamping piece 400 is fixedly connected to the box cover 111, and the other end is provided with a bending limit portion 404, the mounting seat 401 is provided on the box body 110, and is detachably connected to the box body 110, one end of the mounting seat 401 is provided with a first limiting slide 405, the first limiting slide 405 passes through the mounting seat 401, and a second limiting slide 406 is provided in the middle of the mounting seat 401, the second limiting slide 406 passes through the mounting seat 401, and the return spring 402 is provided. It is placed in the mounting seat 401, and the two ends of the return spring 402 respectively pass through the first limiting slide groove 405 and are slidingly connected to the first limiting slide groove 405. The ends of the two ends of the return spring 402 extend into the second limiting slide groove 406 and are slidingly connected to the second limiting slide groove 406. One end of the second clip 403 is set in the mounting seat 401 and is rotatably connected to the part of the return spring 402 located in the mounting seat 401. The second clip 403 slides with the mounting seat 401, and the other end of the second clip 403 is provided with a bending clip 407 that is arranged in cooperation with the bending limiting portion 404.

[0055] When in use, by pushing the second snap-fit plate 403 upward, the second snap-fit plate 403 compresses the portion of the return spring 402 located in the second limiting slot 406, and the portion of the return spring 402 located in the first limiting slot 405 moves upward, thereby cooperating with the second snap-fit plate 403 to move upward, so that the bent snap-fit portion 407 can be disengaged from the bent limiting portion 404, and the second snap-fit plate 403 can be rotated, so that the box cover 111 can be opened and rotated around the hinge 30.

[0056] When the second clip 403 is not subjected to external force, the part of the return spring 402 located in the second limiting slide groove 406 forms abutment with the mounting seat 401, thereby supporting the part of the return spring 402 located in the first limiting slide groove 405 to prevent it from sliding, and thus making the second clip 403 unable to move when not subjected to external force. At the same time, the bent clip 407 is clamped on the bent limiting portion 404, so that the second clip 403 cannot rotate, so that the box cover 111 is tightly fastened to the box body 110 and cannot be opened.

[0057] like Figure 1 As shown, in order to facilitate carrying the present invention, preferably, first handles 112 are provided on both sides of the box body 110 .

[0058] Preferably, a second handle 113 is provided on one end of the box body 110 where the buckle 40 is provided.

[0059] When in use, the utility model can be picked up by the first handles 112 on both sides of the box body 110. The utility model can also be carried by hand through the second handles 113.

[0060] Working principle of this utility model:

[0061] The utility model provides two sets of cable reel assemblies 20 for reeling in the wires. When reeling in the wires for the first time, the locking sleeve 204 on the top of the rotating mounting rod 201 can be removed, and then the plurality of reel drums 202 sleeved on the rotating mounting rod 201 can be removed one by one. Then, the wires with electrode clamps at both ends can be reeled in by the reel drum 202, with each reel drum 202 only reeling in one wire. Then, the reel drum 202 with the reeled wires can be sleeved into the rotating mounting rod 201, and then the electrode clamps at both ends of the wire can be clamped on the first clamping rod 200 and the second clamping rod 203 respectively. After the reel drum 202 has reeled in the wires and sleeved onto the rotating mounting rod 201, the locking sleeve 204 can be screwed in again to fix the reel drum 202, thereby completing the initial reeling.

[0062] When the wire is needed in subsequent experiments, it is only necessary to remove the locking sleeve 204 and then take out the required number of winding reels 202; after completing the experiment, it is only necessary to rewind the wire on the corresponding winding reel 202, and then re-insert the winding reel 202 into the rotating mounting rod 201, and then clamp the electrode clamps at both ends of the wire on the first clamping rod 200 and the second clamping rod 203 respectively, and then re-tighten the locking sleeve 204 to complete the storage.

[0063] The above-described embodiments merely represent specific implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the scope of the present invention, all of which fall within the scope of protection of the present invention.

Claims

1. A cable storage device for a physical experiment instrument, comprising a storage box body (10) and two sets of cable winding assemblies (20), wherein a receiving cavity (100) is provided in the storage box body (10), and the two sets of cable winding assemblies (20) are arranged in the receiving cavity (100), characterized in that: The cable winding assembly (20) comprises a first clamping rod (200), a rotating mounting rod (201), a plurality of winding reels (202) and a second clamping rod (203). The first clamping rod (200) and the second clamping rod (203) are respectively arranged on both sides of the rotating mounting rod (201). The electrode clamps at both ends of the wire can be clamped on the first clamping rod (200) and the second clamping rod (203) respectively. The plurality of winding reels (202) can be sequentially sleeved on the rotating mounting rod (201) and can be connected to the first clamping rod (200). The rotary mounting rod (201) is clearance-fitted and is used for winding the wire. A locking sleeve (204) is provided at the top of the rotary mounting rod (201). The lower end of the locking sleeve (204) can be inserted into the top of the rotary mounting rod (201) and is threadedly connected to the rotary mounting rod (201). The end of the lower end of the locking sleeve (204) can contact the top of the winding disk (202) to limit the winding disk (202) from being separated from the rotary mounting rod (201). The upper end of the locking sleeve (204) is provided with a plurality of grooves (205).

2. A cable storage device for a physical experiment instrument according to claim 1, characterized in that: A first partition plate (101) is provided in the accommodating cavity (100), and the first partition plate (101) divides the accommodating cavity (100) into a first cavity (102) and a second cavity (103). Two groups of cable reeling assemblies (20) are respectively arranged in the first cavity (102) and the second cavity (103), wherein the group of cable reeling assemblies (20) located in the first cavity (102) is used to reel in a wire for connecting to a positive electrode, and the group of cable reeling assemblies (20) located in the second cavity (103) is used to reel in a wire for connecting to a negative electrode.

3. The cable storage device for a physical experiment instrument according to claim 2, characterized in that: A second partition plate (104) is provided in the first cavity (102), and the second partition plate (104) divides the first cavity (102) into an ammeter placement cavity (105) and a first cable placement cavity (106). The ammeter placement cavity (105) is arranged above the first cable placement cavity (106), and the ammeter placement cavity (105) is used to place an ammeter. A group of cable winding assemblies (20) located in the first cavity (102) is arranged in the first cable placement cavity (106).

4. A cable storage device for a physical experiment instrument according to claim 2 or 3, characterized in that: A third partition plate (107) is provided in the second cavity (103), and the third partition plate (107) divides the second cavity (103) into a voltmeter placement cavity (108) and a second cable placement cavity (109). The voltmeter placement cavity (108) is arranged above the second cable placement cavity (109). The voltmeter placement cavity (108) is used to place a voltmeter. A group of cable winding assemblies (20) located in the second cavity (103) is arranged in the second cable placement cavity (109).

5. The cable storage device for a physical experiment instrument according to claim 1, characterized in that: Clamping planes (206) that cooperate with electrode clamps at both ends of the wire are provided on both sides of the first clamping rod (200) and the second clamping rod (203).

6. The cable storage device for a physical experiment instrument according to claim 1, characterized in that: The winding reel (202) comprises a first reel body (207), a second reel body (208) and a winding portion (209) arranged between the first reel body (207) and the second reel body (208). The two ends of the winding portion (209) are fixedly connected to the first reel body (207) and the second reel body (208), respectively. A connecting port is provided in the middle of the winding portion (209) and is matched with the rotating mounting rod (201). The connecting port passes through the winding portion (209). The winding reel (202) can be sleeved on the rotating mounting rod (201) through the connecting port and is matched with the rotating mounting rod (201) with a clearance.

7. The cable storage device for a physical experiment instrument according to claim 6, characterized in that: The first disk body (207) and the second disk body (208) are provided with limiting openings (210).

8. The cable storage device for a physical experiment instrument according to claim 1, characterized in that: The storage box body (10) comprises a box body (110) and a box cover (111); one end of the box cover (111) is hinged to one end of the box body (110) via a pair of hinges (30), and the other end is snap-connected via a pair of buckles (40); first handles (112) are provided on both sides of the box body (110); and a second handle (113) is provided on the end of the box body (110) where the buckle (40) is provided.

9. The cable storage device for a physical experiment instrument according to claim 8, characterized in that: The hinge (30) comprises a first fixing plate (300), a second fixing plate (301) and a connecting rod (302). One end of the first fixing plate (300) is fixedly connected to the box cover (111), and the other end is provided with three hook-shaped limiting portions (303). The connecting rod (302) is arranged on the first fixing plate (300) and passes through the three hook-shaped limiting portions (303) and is fixedly connected to the three hook-shaped limiting portions (303). Two limiting slots (304) are provided between the three hook-shaped limiting portions (303). One end of the second fixing plate (301) is arranged on the box body (110), and the other end is provided with a hook-shaped limiting plate (305) arranged in cooperation with the two limiting slots (304). The two hook-shaped limiting plates (305) can be respectively inserted into the limiting slots (304) and are rotatably connected to the connecting rod (302).

10. The cable storage device for a physical experiment instrument according to claim 8, characterized in that: The buckle (40) includes a first clamping piece (400), a mounting seat (401), a return spring (402) and a second clamping piece (403). One end of the first clamping piece (400) is fixedly connected to the box cover (111), and the other end is provided with a bending limit portion (404). The mounting seat (401) is set on the box body (110) and is detachably connected to the box body (110). One end of the mounting seat (401) is provided with a first limit slide (405), the first limit slide (405) passes through the mounting seat (401), and the middle part of the mounting seat (401) is provided with a second limit slide (406), the second limit slide (406) passes through the mounting seat (401), and the return spring (402) is provided. The first retaining member (402) is placed in the mounting seat (401), and the two ends of the return spring (402) respectively pass through the first limiting slot (405) and are slidably connected to the first limiting slot (405). The ends of the two ends of the return spring (402) extend into the second limiting slot (406) and are slidably connected to the second limiting slot (406). One end of the second clamping piece (403) is set in the mounting seat (401) and is rotatably connected to the part of the return spring (402) located in the mounting seat (401). The second clamping piece (403) is slidably matched with the mounting seat (401). The other end of the second clamping piece (403) is provided with a bending clamping portion (407) arranged in cooperation with the bending limiting portion (404).

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