Auxiliary device for disassembling automobile parts

Abstract

The application belongs to the technical field of automobiles and discloses an auxiliary device for disassembling automobile parts, which comprises a protective shell and a limiting column. The inner cavity of the protective shell is fixedly connected with a middle shaft and an eccentric shaft. The outer surface of the eccentric shaft is sleeved with a winding disc and a first gear. The bottom of the outer surface of the limiting column is fixedly connected with a second gear. The outer surface of the eccentric shaft is fixedly connected with a third gear and a clockwork. The cooperation between the first gear, the second gear, the third gear and the winding disc and other structures enables the device to collect the wires and prevent them from being entangled. The wires are inserted into the inner part of the jack through the brush, and then the clamping block is pressed to enable the clamping block to be clamped with the inclined toothed groove. At this time, the second gear slides along the arc-shaped groove and is reset to engage with the first gear, thereby driving the first gear to rotate, so that the wires are wound on the winding disc, thereby preventing the wires from being entangled.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of automobiles, and particularly relates to an auxiliary device for disassembling automobile parts. BACKGROUND

[0002] Automobile parts include engine parts, exhaust structures, transmission structures, sensor structures and circuit structures. When people disassemble automobile parts, the disassembled automobile mechanical parts need to be placed for subsequent searching and installation of the mechanical parts. However, in the existing automobile equipment, a large number of electronic components are installed on the mechanical parts at various positions of the automobile, and they are connected by wires, which causes the wires to be intertwined with each other when the mechanical parts of the automobile are disassembled for demonstration, and thus a lot of time is consumed in separating the wires subsequently. SUMMARY

[0003] To solve the problems in the background art, the application provides an auxiliary device for disassembling automobile parts, which solves the problem of wire intertwining when the mechanical parts of the automobile are disassembled for demonstration.

[0004] To achieve the above object, the application provides the following technical scheme: an auxiliary device for disassembling automobile parts, comprising a protective shell and a limiting column, the inner cavity of the protective shell is fixedly connected with a middle shaft and an eccentric shaft, the outer surface of the eccentric shaft is sleeved with a winding disc and a first gear, the bottom of the outer surface of the limiting column is fixedly connected with a second gear, the outer surface of the eccentric shaft is fixedly connected with a third gear and a clockwork, the end of the clockwork away from the eccentric shaft is fixedly connected with a tooth block, the surface of the tooth block is annularly and equiangularly provided with inclined tooth grooves, the inner cavity of the protective shell is fixedly connected with an arc-shaped telescopic rod, the outer surface of the arc-shaped telescopic rod is sleeved with a first spring, the inner cavity of one side of the protective shell is movably clamped with a sleeve block, the inner cavity of the sleeve block is movably clamped with a clamping block, the two sides of the clamping block are provided with first elastic sheets, the inside of the winding disc is annularly and equiangularly provided with insertion holes, the top of the middle shaft is provided with magnetic splines, the bottom of the inner cavity of the middle shaft is movably clamped with a spline groove, the inner cavity of the protective shell is movably clamped with a cleaning mechanism, and the inside of the cleaning mechanism is provided with a wire unwinding mechanism.

[0005] Preferably, the cleaning mechanism comprises a second arc block and a first arc block, the second arc block and the first arc block are movably connected on both sides of the inner cavity of the protective shell, the inner cavity of one end of the second arc block is movably connected with a second guide shaft, the inner wall of the protective shell is hingedly connected with a connecting rod, one end of the connecting rod close to the jack is movably connected with a pressure roller, the side of the connecting rod away from the jack is fixedly connected with a second elastic sheet and a second pull rope, the inner cavity of the first arc block is provided with a brush, one end of the first arc block away from the second pull rope is fixedly connected with an arc-shaped column, the end of the arc-shaped column away from the second pull rope is fixedly connected with a second spring and a first pull rope, the inner cavity of the protective shell is movably connected with a first guide shaft.

[0006] Preferably, the wire paying-out mechanism comprises an arc-shaped frame, the arc-shaped frame is arranged in the middle of the second arc block, and one end of the second arc block away from the second pull rope is fixedly connected with a third elastic sheet, the inner wall of the protective shell is provided with an arc-shaped notch close to the second arc block, the arc-shaped notch is staggered with the arc-shaped frame, and the two are matched with each other, and the end of the third elastic sheet away from the arc-shaped frame is fixedly connected with the protective shell.

[0007] Preferably, the top of the protective shell is provided with an arc-shaped groove, the limiting column is clamped in the arc-shaped groove, the first gear, the third gear and the second gear are located in the inner cavity of the protective shell, the first gear and the second gear are meshedly connected, the second gear and the third gear are meshedly connected, and one end of the bottom of the first gear is fixedly connected with the upper surface of the winding disc.

[0008] Preferably, the top of the tooth block is fixedly connected with the third gear, the bottom of the tooth block is in contact with the protective shell, one end of the arc-shaped telescopic rod close to the sleeve block is fixedly connected with the sleeve block, and the two ends of the first spring are fixedly connected with the sleeve block and the protective shell respectively.

[0009] Preferably, one end of the clamping block inside the protective shell is matched and clamped with the bevel gear groove, the two ends of the first elastic sheet are fixedly connected with the clamping block and the sleeve block respectively, the spline groove is made of a magnetic material, and the outer surface of the spline groove is additionally magnetically matched and clamped with the magnetic spline on the other central axis.

[0010] Preferably, one end of the second pull rope passes through the second guide shaft, and the end of the second pull rope away from the connecting rod is fixedly connected with the first arc block, and the second pull rope is movably connected in the inner cavity of the protective shell.

[0011] Preferably, one end of the pressure roller close to the jack is in contact with the inner wall of the winding disc, and the end of the second elastic sheet away from the connecting rod is fixedly connected with the inner wall of the protective shell.

[0012] Preferably, the brush is horizontally arranged, and the inner cavity of the protective shell is communicated with the outside through the brush.

[0013] Preferably, the second spring is sleeved on the outer surface of the first pull rope, the outer surface of the arc-shaped column is movably connected with the inner cavity of the protective shell, one end of the second spring away from the arc-shaped column is fixedly connected with the protective shell, and one end of the middle portion of the first pull rope is wound around the first guide shaft and the other end of the first pull rope away from the arc-shaped column penetrates through the side wall of the protective shell and is fixedly connected with the clamping block.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] The first gear, the second gear, the third gear and the winding disc are matched to prevent the wire from being entangled, the wire is inserted into the plug after passing through the brush, the clamping block is pressed to be clamped with the bevel gear slot, the clamping block drives the first elastic sheet and the tooth block to rotate, the third gear rotates, the second gear and the limiting column rotate along the arc-shaped slot and are disengaged from the first gear, the spring is in a compressed state, the device stores energy, the clamping block is released, the clamping block drives the tooth block to reset, the third gear drives the second gear to rotate in the opposite direction, the second gear slides along the arc-shaped slot and resets to engage with the first gear, the first gear rotates, and the wire is wound on the winding disc, so that the wire is prevented from being entangled.

[0016] The brush, the first arc block, the second arc block and the arc-shaped column are matched to clean the surface of the wire, the clamping block is rotated to drive the first pull rope to move the arc-shaped column to the side close to the clamping block, the first arc block and the brush are moved to the side close to the clamping block, the clamping block is released, the arc-shaped column and the first arc block are reset by the elastic force of the second spring, and the surface of the wire passing through the brush is repeatedly brushed and cleaned.

[0017] The second pull rope, the connecting rod, the pressure roller and the second elastic sheet are matched to stably wind the wire, the first arc block rotates to the side close to the clamping block, the second pull rope is pulled, the bottom end of the second pull rope drives the connecting rod to rotate, the pressure roller is disengaged from the winding disc, the winding disc rotates to wind the wire on the winding disc, the clamping block is released, the connecting rod is pushed by the second elastic sheet, and the pressure roller is pressed on the wire, so that the wire is more stable during winding. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the whole structure of the present application.

[0019] Figure 2It is a top sectional structure schematic diagram of the present application;

[0020] Figure 3 It is Figure 2 An enlarged view at A in the middle;

[0021] Figure 4 It is Figure 2 An enlarged view at B in the middle;

[0022] Figure 5 It is a front sectional structure schematic diagram of the present application;

[0023] Figure 6 It is an appearance matching diagram of the internal structure of the present application;

[0024] Figure 7 It is an explosion diagram of the first arc block of the present application;

[0025] Figure 8 It is an explosion diagram of the tooth block of the present application;

[0026] Figure 9 It is an explosion diagram of the connecting rod of the present application.

[0027] In the figure: 1, protective shell; 2, central shaft; 3, winding disc; 4, first gear; 5, second gear; 6, third gear; 7, eccentric shaft; 8, spring; 9, tooth block; 10, helical tooth groove; 11, arc-shaped telescopic rod; 12, first spring; 13, clamping block; 14, first spring piece; 15, insertion hole; 16, first guide shaft; 17, spline groove; 18, magnetic spline; 19, limiting column; 20, cleaning mechanism; 201, second arc block; 202, second guide shaft; 203, second pull rope; 204, connecting rod; 205, pressure roller; 206, second spring piece; 207, first arc block; 208, brush; 209, second spring; 2010, arc-shaped column; 2011, first pull rope; 21, pay-off mechanism; 211, arc-shaped frame; 212, third spring piece; 213, arc-shaped notch; 22, sleeve block. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] As Figures 1 to 9The present application provides an auxiliary device for disassembling automobile parts, which comprises a protective shell 1 and a limiting column 19, the inner cavity of the protective shell 1 is fixedly connected with a middle shaft 2 and a bias shaft 7, the outer surface of the bias shaft 7 is sleeved with a winding disc 3 and a first gear 4, the bottom of the outer surface of the limiting column 19 is fixedly connected with a second gear 5, the outer surface of the bias shaft 7 is fixedly connected with a third gear 6 and a clockwork 8, one end of the clockwork 8 away from the bias shaft 7 is fixedly connected with a tooth block 9, the surface of the tooth block 9 is annularly and equiangularly provided with a bevel tooth groove 10, the inner cavity of the protective shell 1 is fixedly connected with an arc-shaped telescopic rod 11, the outer surface of the arc-shaped telescopic rod 11 is sleeved with a first spring 12, the inner cavity of one side of the protective shell 1 is movably clamped with a sleeve block 22, the inner cavity of the sleeve block 22 is movably clamped with a clamping block 13, the two sides of the clamping block 13 are provided with first elastic sheets 14, the inside of the winding disc 3 is annularly and equiangularly provided with a jack 15, the top of the middle shaft 2 is provided with a magnetic spline 18, the bottom of the inner cavity of the middle shaft 2 is movably clamped with a spline groove 17, the inner cavity of the protective shell 1 is movably clamped with a cleaning mechanism 20, and the inside of the cleaning mechanism 20 is provided with a pay-off mechanism 21; by threading the wire through the brush 208 and inserting it into the inside of the jack 15, then pressing the clamping block 13 to make the clamping block 13 clamped with the bevel tooth groove 10, rotating the clamping block 13 to drive the first elastic sheet 14 and the tooth block 9 to rotate, so that the third gear 6 rotates and the second gear 5 and the limiting column 19 rotate along the arc-shaped groove and disengage with the first gear 4, at this time the clockwork 8 is in a compressed state, the device stores energy, then the operator releases the pressing of the clamping block 13, through the elastic force of the first spring 12, the clamping block 13 drives the tooth block 9 to reset, and the third gear 6 drives the second gear 5 to rotate in the opposite direction, at this time the second gear 5 slides along the arc-shaped groove and resets to engage with the first gear 4, thereby driving the first gear 4 to rotate, so that the wire is wound on the winding disc 3, thereby preventing the wire from being wound.

[0030] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 9As shown, the cleaning mechanism 20 includes a second arc block 201 and a first arc block 207, the second arc block 201 and the first arc block 207 are respectively movably clamped on both sides of the inner cavity of the protective shell 1, the inner cavity of one end of the second arc block 201 movably connects a second guide shaft 202, the inner wall of the protective shell 1 is hinged with a connecting rod 204, one end of the connecting rod 204 close to the jack 15 movably connects a pressure roller 205, the side of the connecting rod 204 away from the jack 15 is fixedly connected with a second spring sheet 206 and a second pull rope 203, the inner cavity of the first arc block 207 is provided with a brush 208, one end of the first arc block 207 away from the second pull rope 203 is fixedly connected with an arc column 2010, one end of the arc column 2010 away from the second pull rope 203 is fixedly connected with a second spring 209 and a first pull rope 2011, the inner cavity of the protective shell 1 movably connects a first guide shaft 16; by rotating the clamping block 13 to drive the first pull rope 2011 to pull the arc column 2010 to move to the side close to the clamping block 13, at the same time, the clamping block 13 drives the first arc block 207 and the brush 208 to move to the side close to the clamping block 13, the operator releases the operation of the clamping block 13, at this time, the elastic force of the second spring 209 will make the arc column 2010 and the first arc block 207 reset, so as to play a repeatedly brushing cleaning effect on the outer surface of the wire passing through the brush 208.

[0031] As shown in Figure 2 , Figure 6 , Figure 7 and Figure 9 , the wire releasing mechanism 21 includes an arc frame 211, the arc frame 211 is opened in the middle of the second arc block 201, and the end of the second arc block 201 away from the second pull rope 203 is fixedly connected with a third spring sheet 212, the inner wall of the protective shell 1 close to the second arc block 201 is provided with an arc slot 213, the arc slot 213 is staggered with the arc frame 211, and the two cooperate with each other, and the end of the third spring sheet 212 away from the arc frame 211 is fixedly connected with the protective shell 1; through the design of the arc frame 211, when the operator needs to take out the wire wound on the winding disc 3, the operator rotates the second arc block 201 clockwise at this time to drive the arc frame 211 to rotate, so that the arc frame 211 coincides with the second pull rope 203, and the movement of the arc frame 211 also drives the second guide shaft 202 and makes one end of the bottom of the second pull rope 203 pull the pressure roller 205, so that the pressure roller 205 releases the compression of the wire, and the operator can take out the wire more conveniently.

[0032] As shown in Figures 1 to 8As shown, the top of the protective shell 1 is provided with an arc-shaped slot, the limiting column 19 is clamped in the arc-shaped slot, the first gear 4, the third gear 6 and the second gear 5 are located in the inner cavity of the protective shell 1, the first gear 4 and the second gear 5 are engagedly connected, the second gear 5 and the third gear 6 are engagedly connected, one end of the bottom of the first gear 4 is fixedly connected with the upper surface of the winding disc 3, the top of the tooth block 9 is fixedly connected with the third gear 6, the bottom of the tooth block 9 is in contact with the protective shell 1, one end of the arc-shaped telescopic rod 11 close to the sleeve block 22 is fixedly connected with the sleeve block 22, the two ends of the first spring 12 are fixedly connected with the sleeve block 22 and the protective shell 1 respectively, one end of the clamping block 13 located in the protective shell 1 is clamped in cooperation with the bevel gear slot 10, the two ends of the first elastic sheet 14 are fixedly connected with the clamping block 13 and the sleeve block 22 respectively, the spline groove 17 is made of magnetic material, the outer surface of the spline groove 17 is in cooperation with the magnetic spline 18 on the other middle shaft 2 for adsorptive clamping; through the cooperation of the spline groove 17 and the magnetic spline 18, the operator can splice multiple devices together at this time, thereby facilitating people to collect a large number of wires, thereby preventing them from being entangled with each other.

[0033] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 9 , one end of the middle of the second pull rope 203 is clamped around the second guide shaft 202, and the end of the second pull rope 203 away from the connecting rod 204 is fixedly connected with the first arc block 207, the second pull rope 203 is movably connected in the interior of the protective shell 1, one end of the pressure roller 205 close to the jack 15 is in contact with the inner wall of the winding disc 3, the end of the second elastic sheet 206 away from the connecting rod 204 is fixedly connected with the inner wall of the protective shell 1, the brush 208 is arranged transversely, and the inner cavity of the protective shell 1 is in communication with the outside through the brush 208; through the rotation of the first arc block 207 to the side close to the clamping block 13 while pulling the second pull rope 203, the end of the bottom of the second pull rope 203 pulls the connecting rod 204 to rotate, thereby making the pressure roller 205 contact with the winding disc 3, when the winding disc 3 rotates to wind the wire on the winding disc 3, and the operator releases the operation of the clamping block 13, the second elastic sheet 206 will push the connecting rod 204 and make one end of the pressure roller 205 press on the wire, so that the wire is more stable when winding.

[0034] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 9As shown, the second spring 209 is sleeved on the outer surface of the first pull rope 2011, the outer surface of the arc-shaped column 2010 is movably connected with the inner cavity of the protective shell 1, the end of the second spring 209 away from the arc-shaped column 2010 is fixedly connected with the protective shell 1, one end of the middle part of the first pull rope 2011 passes through the first guide shaft 16, and the end of the first pull rope 2011 away from the arc-shaped column 2010 penetrates through the side wall of the protective shell 1 and is fixedly connected with the clamping block 13; through the cooperation between the arc-shaped column 2010 and the second spring 209, when the operator releases the pressing of the clamping block 13, the first arc block 207 is reset due to the elastic force of the second spring 209, and then the brush 208 is reset, so that the brush 208 plays a dust removal effect of wiping the surface of the wire.

[0035] It is worth noting here that: since the brush 208 is transversely arranged, when the first arc block 207 drives the brush 208 to move back and forth, the brush 208 will not collide with the wire at this time.

[0036] The working principle and use process of the application are as follows:

[0037] First, the operator inserts the wire into the brush 208 and then presses the clamping block 13, so that the clamping block 13 is clamped with the bevel gear slot 10, and the clamping block 13 drives the first elastic sheet 14 and the tooth block 9 to rotate, so that the third gear 6 rotates and the second gear 5 and the limiting column 19 rotate along the arc-shaped slot and are disengaged from the first gear 4, at this time the clockwork 8 is in a compressed state, and the device is energized, then the operator releases the pressing of the clamping block 13, at this time the clamping block 13 drives the tooth block 9 to reset, and the third gear 6 drives the second gear 5 to rotate in the opposite direction, at this time the second gear 5 slides along the arc-shaped slot and resets to engage with the first gear 4, thereby driving the first gear 4 to rotate, so that the wire is wound on the winding disc 3.

[0038] When the operator rotates the clamping block 13, the clamping block 13 will also drive the first pull rope 2011 to pull the arc-shaped column 2010 to move towards the side close to the clamping block 13, and the clamping block 13 will drive the first arc block 207 and the brush 208 to move towards the side close to the clamping block 13, and when the operator releases the rotation of the clamping block 13, the arc-shaped column 2010 and the first arc block 207 will reset due to the elastic force of the second spring 209, thereby playing a repeated brushing and cleaning effect on the outer surface of the wire passing through the brush 208.

[0039] Meanwhile, the first arc block 207 rotates towards the side close to the clamping block 13, and the second pull rope 203 is pulled, and the bottom end of the second pull rope 203 pulls the connecting rod 204 to rotate, and the pressure roller 205 is out of contact with the winding disc 3. When the winding disc 3 rotates to wind the wire on the winding disc 3, and the operator releases the clamping block 13, the second elastic sheet 206 pushes the connecting rod 204, and one end of the pressure roller 205 is pressed on the wire, so that the wire is more stable when winding.

[0040] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0041] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, alternatives, and variations can be made in the embodiments without departing from the spirit and scope of the present application as defined by the appended claims and their equivalents.

Claims

1. An auxiliary device for disassembling automotive parts, comprising a protective housing (1) and a limiting post (19), characterized in that: The inner cavity of the protective shell (1) is fixedly connected to a central shaft (2) and an off-axis (7). The outer surface of the central shaft (2) is fitted with a winding reel (3) and a first gear (4). The bottom of the outer surface of the limiting post (19) is fixedly connected to a second gear (5). The outer surface of the off-axis (7) is fixedly connected to a third gear (6) and a spring (8). The end of the spring (8) away from the off-axis (7) is fixedly connected to a tooth block (9). The surface of the tooth block (9) is provided with an circumferentially angularly inclined tooth groove (10). The inner cavity of the protective shell (1) is fixedly connected to an arc-shaped telescopic rod (11). The outer surface of the arc-shaped telescopic rod (11) is... A first spring (12) is sleeved on the surface. A sleeve block (22) is movably engaged in the inner cavity of one side of the protective shell (1). A locking block (13) is movably engaged in the inner cavity of the sleeve block (22). First spring pieces (14) are provided on both sides of the locking block (13). An insertion hole (15) is opened at an equal angle in the inner ring of the winding reel (3). A magnetic spline (18) is opened at the top of the central shaft (2). A spline groove (17) is movably engaged at the bottom of the inner cavity of the central shaft (2). A cleaning mechanism (20) is movably engaged in the inner cavity of the protective shell (1). A wire feeding mechanism (21) is opened inside the cleaning mechanism (20). The cleaning mechanism (20) includes a second arc block (201) and a first arc block (207). The second arc block (201) and the first arc block (207) are respectively movably engaged on both sides of the inner cavity of the protective shell (1). A second guide shaft (202) is movably connected to the inner cavity of one end of the second arc block (201). A connecting rod (204) is hinged to the inner wall of the protective shell (1). A pressure roller (205) is movably connected to the end of the connecting rod (204) near the insertion hole (15). The connecting rod (204) is further away from the insertion hole (15). A second spring (206) and a second pull rope (203) are fixedly connected to one side of the socket (15). A brush (208) is provided in the inner cavity of the first arc block (207). An arc-shaped column (2010) is fixedly connected to the end of the first arc block (207) away from the second pull rope (203). A second spring (209) and a first pull rope (2011) are fixedly connected to the end of the arc-shaped column (2010) away from the second pull rope (203). A first guide shaft (16) is movably connected to the inner cavity of the protective shell (1). The wire feeding mechanism (21) includes an arc frame (211), which is located in the middle of the second arc block (201). A third spring piece (212) is fixedly connected to one end of the second arc block (201) away from the second pull rope (203). An arc groove (213) is provided on the inner wall of the protective shell (1) near the second arc block (201). The arc groove (213) is offset from the arc frame (211) and the two cooperate with each other. The end of the third spring piece (212) away from the arc frame (211) is fixedly connected to the protective shell (1).

2. The auxiliary device for disassembling automotive parts according to claim 1, characterized in that: The top of the protective shell (1) is provided with an arc-shaped groove, and the limiting post (19) is engaged inside the arc-shaped groove. The first gear (4), the third gear (6) and the second gear (5) are located in the inner cavity of the protective shell (1). The first gear (4) and the second gear (5) are meshed together, and the second gear (5) and the third gear (6) are meshed together. One end of the bottom of the first gear (4) is fixedly connected to the upper surface of the winding reel (3).

3. The auxiliary device for disassembling automotive parts according to claim 1, characterized in that: The top of the tooth block (9) is fixedly connected to the third gear (6), the bottom of the tooth block (9) is in contact with the protective shell (1), the end of the arc-shaped telescopic rod (11) near the sleeve block (22) is fixedly connected to the sleeve block (22), and the two ends of the first spring (12) are fixedly connected to the sleeve block (22) and the protective shell (1) respectively.

4. The auxiliary device for disassembling automotive parts according to claim 1, characterized in that: The locking block (13) is located inside the protective shell (1) and is engaged with the oblique tooth groove (10). The two ends of the first spring piece (14) are fixedly connected to the locking block (13) and the sleeve block (22) respectively. The spline groove (17) is made of magnetic material. The magnetic spline (18) on another central shaft (2) on the outer surface of the spline groove (17) is engaged with the magnetic spline (18).

5. The auxiliary device for disassembling automotive parts according to claim 1, characterized in that: One end of the second pull rope (203) passes around the second guide shaft (202) and the end of the second pull rope (203) away from the connecting rod (204) is fixedly connected to the first arc block (207). The second pull rope (203) is movably connected inside the protective shell (1).

6. The auxiliary device for disassembling automotive parts according to claim 1, characterized in that: The end of the pressure roller (205) near the insertion hole (15) contacts the inner wall of the winding reel (3), and the end of the second spring piece (206) away from the connecting rod (204) is fixedly connected to the inner wall of the protective shell (1).

7. The auxiliary device for disassembling automotive parts according to claim 1, characterized in that: The brushes (208) are arranged horizontally, and the inner cavity of the protective shell (1) is connected to the outside through the brushes (208).

8. The auxiliary device for disassembling automotive parts according to claim 1, characterized in that: The second spring (209) is sleeved on the outer surface of the first pull rope (2011), the outer surface of the arc-shaped column (2010) is movably connected to the inner cavity of the protective shell (1), the end of the second spring (209) away from the arc-shaped column (2010) is fixedly connected to the protective shell (1), one end of the middle part of the first pull rope (2011) passes around the first guide shaft (16) and the end of the first pull rope (2011) away from the arc-shaped column (2010) passes through the side wall of the protective shell (1) and is fixedly connected to the locking block (13).

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