Pressing type elastic self-locking mechanism and stage lamp with same

Abstract

The pressing type elastic self-locking mechanism comprises a lock body, a lock disc and a hanging plate, the lock body always keeps the trend of being far away from the lock disc under the action of a reset piece, the lock body is connected with an elastic rod, a hook is formed at the tail end of the elastic rod, and the hanging plate is connected with the lock disc. The hanging plate is provided with a far disc unlocking concave position and a near disc locking concave position, when the hook is located at the near disc locking concave position, the lock body is matched with the lock position on the lock disc, and when the hook is located at the far disc unlocking concave position, the lock body is separated from the lock position on the lock disc. The locking groove and the unlocking groove are located on the two sides of a connecting line of the far disc unlocking concave position and the near disc locking concave position and guide the hook to move in one direction, when the hook is located in the near disc locking concave position, the hook enters the unlocking groove already or tends to enter the unlocking groove, and when the hook is located in the far disc unlocking concave position, the hook enters the locking groove already or tends to enter the unlocking groove. When the lock body is pressed once towards the direction of the lock disc, the hook is switched once between the near disc locking concave position and the far disc unlocking concave position, so that the system stability is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to stage lamp technical field more specifically, it relates to a kind of press type elastic self-locking mechanism and stage lamp with it. BACKGROUND

[0002] Stage lamp generally includes the lamp head for emitting light, the arm of supporting the lamp head rotation and the machine case of supporting the arm rotation, when maintaining or transporting, usually lock mechanism is utilized to lock the lamp head, arm, avoid its rotation.The current lock mechanism is mostly lever, lever activity space is larger, it is not conducive to the full use of space in stage lamp, and it also looks not too beautiful. SUMMARY

[0003] The utility model discloses to overcome the at least one defect described in prior art, provide a kind of press type elastic self-locking mechanism, can be locked and unlocked to lock disc by pressing lock body, reciprocating, to complete, structure stable and reliable, small space occupation.

[0004] To solve the above technical problem, the technical scheme adopted by the utility model is: a kind of press type elastic self-locking mechanism, including lock body, lock disc and hanging plate, the lock body is always kept away from the tendency of the lock disc under the action of reset piece, the lock body is connected with elastic rod, the elastic rod end is formed with hook, the hanging plate has far disc unlocking recess and near disc locking recess, when the hook is in the near disc locking recess, the lock body is matched with the lock position on the lock disc, limit the rotation or movement of the lock disc, when the hook is in the far disc unlocking recess, the lock body is separated from the lock position on the lock disc, release the rotation or movement of the lock disc, further include the locking groove and the unlocking groove located on the far disc unlocking recess and the near disc locking recess connecting line two sides, the locking groove guides the hook from the far disc unlocking recess one-way movement to the near disc locking recess, the unlocking groove guides the hook from the near disc locking recess one-way movement to the far disc unlocking recess, and when the hook is in the near disc locking recess, it has entered the unlocking groove or under the deformation force of the elastic rod parallel to the hanging plate has the tendency of entering the unlocking groove, when the hook is in the far disc unlocking recess, it has entered the locking groove or under the deformation force of the elastic rod parallel to the hanging plate has the tendency of entering the locking groove, press the lock body every time towards the direction of the lock disc, the hook will switch between the near disc locking recess and the far disc unlocking recess once.

[0005] The pressing type elastic self-locking mechanism makes the lock body always keep away from the lock disc by the reset member, so that when the hook is in the near disc locking concave position, the lock body cooperates with the lock position on the lock disc to limit the rotation or movement of the lock disc, and the lock body is pressed against the reset member to move towards the lock disc, at this time, because the hook has entered the unlocking slot or has the tendency to enter the unlocking slot under the deformation force of the elastic rod parallel to the hanging plate, so when the lock body is released, the lock body will move along the unlocking slot to the far disc unlocking concave position under the action of the reset member, the lock body will be separated from the lock position on the lock disc to release the rotation or movement of the lock disc, and the hook will stay in the far disc unlocking concave position under the action of the reset member; the lock body is pressed again against the reset member to move towards the lock disc, at this time, because the hook has entered the locking slot or has the tendency to enter the locking slot under the deformation force of the elastic rod parallel to the hanging plate, so after continuous pressing, the lock body will move along the locking slot to the near disc locking concave position, the lock body will cooperate with the lock position on the lock disc to limit the rotation or movement of the lock disc, and when the lock body is released, the hook will stay under the action of the reset member.

[0006] Further, the natural length direction of the elastic rod in the natural state is the same as the moving direction of the lock body. In this way, during the movement of the hook, the elastic rod only swings slightly left and right in the direction perpendicular to the moving direction of the lock body, and does not swing greatly up and down in the moving direction of the lock body, which is beneficial to improve the stability of the movement of the hook in the locking slot and the unlocking slot, and reduce the space occupied by the elastic rod in the direction perpendicular to the moving direction of the lock body.

[0007] Further, the near disc locking concave position is located on the side close to the locking slot in the natural state of the elastic rod. In this way, when the hook moves in the locking slot, the elastic rod always acts on the hook to make it have the tendency to approach the longitudinal line where the near disc locking concave position is located, and when the hook is located in the near disc locking concave position, at this time, the deformation force of the elastic rod parallel to the hanging plate still acts on the hook to make it have the tendency to enter the unlocking slot.

[0008] Further, the far disc unlocking concave position is located on the projection of the hanging plate in the natural state of the elastic rod. In this way, when the hook is located in the far disc unlocking concave position, the elastic rod will not have the deformation force parallel to the hanging plate acting on the hook, and the hook has entered the locking slot.

[0009] Further, the locking groove and the unlocking groove are formed with anti-return bends away from the lock disc on both sides of the near-disc locking recess, the lowest point of the anti-return bends is closer to the lock disc than the near-disc locking recess. Thus, when the hook moves in the locking groove, it will reach the near-disc locking recess under the action of the reset member as long as it has passed the anti-return bends. When the hook moves in the unlocking groove, it will reach the far-disc unlocking recess under the action of the reset member as long as it has passed the anti-return bends.

[0010] Further, the locking groove is through the side edge of the hanging plate on the side away from the unlocking groove. The hook can enter the locking groove from the through part without bending in the direction perpendicular to the hanging plate, thereby avoiding damaging the natural state of the elastic rod, and ensuring that the hook can reach the predetermined depth in the locking groove or the unlocking groove, which is beneficial to improve the stability of the pressing type elastic self-locking mechanism.

[0011] Further, the locking groove and the unlocking groove have the same groove depth and flush groove bottoms. Thus, the thickness of the hanging plate does not need to be too thick, and the switching between the locking groove and the unlocking groove does not need to rely on the change of the groove depth, which is more stable.

[0012] Further, the lock body includes a lock rod and a pressing cap connected by threads, and the elastic rod is clamped between the lock rod and the pressing cap. The elastic rod is fixed when the pressing cap and the lock rod are locked by thread connection, which is convenient and fast.

[0013] Further, it further includes a mounting plate with a guide hole and a mounting seat with a protruding hole, the mounting plate is fixed to the mounting seat, the hanging plate is fixed to the mounting plate or the mounting seat, the lock body is inserted into the guide hole, and when the hook is in the near-disc locking recess, the lock body protrudes from the protruding hole, one end of the reset member abuts against the mounting seat and the other end abuts against the lock body. The mounting plate and the mounting seat form a module with the part of the pressing type elastic self-locking mechanism except the lock disc, which is convenient for overall installation.

[0014] Further, the mounting seat is in the form of a barrel, the protruding hole is located at the bottom wall thereof, the mounting plate covers the top opening thereof, and the hanging plate is fixed to the mounting plate and located between the mounting plate and the mounting seat. The mounting seat and the mounting plate form a roughly closed cavity to accommodate the lock body, the hanging plate and the elastic rod, thereby avoiding the relative movement of the three from being disturbed by the outside world and improving the stability.

[0015] Further, a bottom wall of the mounting base is fixed with a limiting ring surrounding the protruding hole, the lock body protrudes through the limiting ring from the protruding hole, and an end portion is always located outside the protruding hole, and a first waterproof ring in interference fit with both the limiting ring and the lock body is arranged between the limiting ring and the lock body. The first waterproof ring can prevent water entering the mounting base from leaking out of the protruding hole.

[0016] Further, a second waterproof ring is clamped around the guide hole between the mounting plate and the mounting base, a guide cylinder is arranged around the guide hole on a side of the mounting plate away from the mounting base, and a third waterproof ring is sleeved on an outer side wall of the guide cylinder. The third waterproof ring can be abutted against an outer shell of a stage lamp or an outer shell of other equipment in which the press-type elastic self-locking mechanism is installed, so as to seal a through hole of the outer shell for the guide cylinder to pass through, the second waterproof ring can prevent water entering the mounting base from leaking out of a gap between the mounting plate and the mounting base into the outer shell, and the third waterproof ring can prevent water from the outside entering the outer shell through a gap between the guide cylinder and the outer shell.

[0017] The utility model also provides a stage lamp, including the lamp head for emitting light, the arm of supporting the lamp head rotates and the machine case of supporting the arm rotates, still include preceding any kind of press-type elastic self-locking mechanism, the press-type elastic self-locking mechanism is used for locking the rotation of the lamp head relative to the arm and / or the rotation of the arm relative to the machine case. Utilize the press-type elastic self-locking mechanism, can lock the lamp head and / or the arm, facilitate maintenance, transportation.

[0018] Further, the lock body, the hanging plate and the reset member are located on the arm, and the lock disc is located on the lamp head, the machine case or a corresponding rotation driving mechanism. Thus, the lamp head and the arm are locked. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the explosion structure schematic diagram of the press-type elastic self-locking mechanism of the utility model.

[0020] Figure 2 is the combination structure schematic diagram of the press-type elastic self-locking mechanism of the utility model.

[0021] Figure 3 is the structure schematic diagram of the hook of the press-type elastic self-locking mechanism of the utility model being in the far disc unlocking recess.

[0022] Figure 4 is the structure schematic diagram of the hook of the press-type elastic self-locking mechanism of the utility model being in the near disc locking recess.

[0023] Figure 5The utility model discloses a press type elastic self-locking mechanism for locking the structure schematic drawing of lamp holder.

[0024] Figure 6 The utility model discloses a press type elastic self-locking mechanism for locking the structure schematic drawing of arm.

[0025] In the drawing,

[0026] 100, lock body;110, lock rod;120, press cap;121, baffle;200, hanging plate;210, far disc unlocking concave position;220, near disc locking concave position;230, locking groove;240, unlocking groove;250, anti-return bend way;300, elastic rod;310, hook;320, fixed rod;400, reset piece;500, lock disc;510, lock position;600, mounting plate;610, guide hole;620, second waterproof ring;630, guide cylinder;640, third waterproof ring;700, mounting seat;710, protruding hole;720, limiting ring;730, first waterproof ring;810, lamp holder;820, arm;830, case;840, shell. DETAILED DESCRIPTION

[0027] The drawings are only for example illustration, and can not be understood as the limitation of the patent;In order to better illustrate the embodiment, some components of the drawings will be omitted, enlarged or reduced, and do not represent the size of actual product;For those skilled in the art, it is understandable that some well-known structures and their description in the drawings can be omitted. The position relation described in the drawings is only for example illustration, and can not be understood as the limitation of the patent.

[0028] As Figures 1 to 4The utility model provides a kind of press type elastic self-locking mechanism, including lock body 100, lock disc 500 and hanging plate 200, the lock body 100 is always kept away from the tendency of the lock disc 500 under the action of reset member 400, the lock body 100 is connected with elastic rod 300, the elastic rod 300 end is formed with hook 310, the hanging plate 200 has far disc unlocking recess position 210 and near disc locking recess position 220, when the hook 310 is in the near disc locking recess position 220, the lock body 100 is cooperated with the lock position 510 on the lock disc 500, limit the rotation or movement of the lock disc 500, when the hook 310 is in the far disc unlocking recess position 210, the lock body 100 is separated from the lock position 510 on the lock disc 500, release the rotation or movement of the lock disc 500, further include the locking groove 230 and the unlocking groove 240 located in the far disc unlocking recess position 210 and the near disc locking recess position 220 connecting line two sides, the locking groove 230 guides the hook 310 from the far disc unlocking recess position 210 one-way movement to the near disc locking recess position 220, the unlocking groove 240 guides the hook 310 from the near disc locking recess position 220 one-way movement to the far disc unlocking recess position 210, and when the hook 310 is in the near disc locking recess position 220, it has entered the unlocking groove 240 or under the deformation force of the elastic rod 300 parallel to the hanging plate 200 has entered the tendency of the unlocking groove 240, when the hook 310 is in the far disc unlocking recess position 210, it has entered the locking groove 230 or under the deformation force of the elastic rod 300 parallel to the hanging plate 200 has entered the tendency of the locking groove 230, press the lock body 100 every time in the direction of the lock disc 500, the hook 310 will be switched between the near disc locking recess position 220 and the far disc unlocking recess position 210 once.

[0029] The pressing type elastic self-locking mechanism keeps the lock body 100 always away from the lock disc 500 by the reset member 400, so when the hook 310 is in the near disc locking concave position 220, the lock body 100 cooperates with the lock position 510 on the lock disc 500 to limit the rotation or movement of the lock disc 500, pressing the lock body 100 against the reset member 400 to move it towards the lock disc 500, at this time, since the hook 310 has entered the unlocking slot 240 or has the tendency to enter the unlocking slot 240 under the deformation force of the elastic rod 300 parallel to the hanging plate 200, after releasing the lock body 100, the lock body 100 will move along the unlocking slot 240 to the far disc unlocking concave position 210 under the action of the reset member 400, the lock body 100 will be separated from the lock position 510 on the lock disc 500 to release the rotation or movement of the lock disc 500, and the hook 310 will stay in the far disc unlocking concave position 210 under the action of the reset member 400; again pressing the lock body 100 against the reset member 400 to move it towards the lock disc 500, at this time, since the hook 310 has entered the locking slot 230 or has the tendency to enter the locking slot 230 under the deformation force of the elastic rod 300 parallel to the hanging plate 200, after continuous pressing, the lock body 100 will move along the locking slot 230 to the near disc locking concave position 220, the lock body 100 will cooperate with the lock position 510 on the lock disc 500 to limit the rotation or movement of the lock disc 500, and after releasing the lock body 100, the hook 310 will stay under the action of the reset member 400.

[0030] In the embodiment, the lock disc 500 is annular, the lock body 100 limits the rotation of the lock disc 500, and the lock position 510 is a notch on the inner side of the lock disc 500. In other embodiments, the notch can also be located on the outer side of the lock disc 500, and the lock position 510 can also be a hole or other structure.

[0031] In the embodiment, the reset member 400 is a spring, which is sleeved on the lock body 100.

[0032] As Figure 3In the preferred embodiment of the utility model, the natural length direction of the elastic rod 300 in the natural state is the same as the moving direction of the lock body 100. In this way, during the movement of the hook 310, the elastic rod 300 only swings slightly left and right in the direction perpendicular to the moving direction of the lock body 100, and does not swing greatly up and down in the moving direction of the lock body 100, which is beneficial to improving the stability of the movement of the hook 310 in the locking groove 230 and the unlocking groove 240, and reducing the space occupied by the elastic rod 300 in the direction perpendicular to the moving direction of the lock body 100.

[0033] In the embodiment, the common plane of the elastic rod 300 in the natural state and the center line of the lock body 100 is perpendicular to the hanging plate 200 (not shown in the figure).

[0034] As Figure 4 In the preferred embodiment of the utility model, the near-plate locking recess 220 is located on the side close to the locking groove 230 in the natural state of the elastic rod 300. In this way, when the hook 310 moves in the locking groove 230, the elastic rod 300 always acts on the hook 310 to make it have a tendency to approach the longitudinal line where the near-plate locking recess 220 is located, and when the hook 310 is located in the near-plate locking recess 220, the deformation force of the elastic rod 300 parallel to the hanging plate 200 still acts on the hook 310 to make it have a tendency to enter the unlocking groove 240.

[0035] In other embodiments, the near-plate locking recess 220 can also be located on the projection of the hanging plate 200 in the natural state of the elastic rod 300, and when the hook 310 is located in the near-plate locking recess 220, it has already entered the unlocking groove 240 (not shown in the figure).

[0036] In the preferred embodiment of the utility model, the far-plate unlocking recess 210 is located on the projection of the hanging plate 200 in the natural state of the elastic rod 300. In this way, when the hook 310 is located in the far-plate unlocking recess 210, the elastic rod 300 will not have a deformation force parallel to the hanging plate 200 acting on the hook 310, and the hook 310 has already entered the locking groove 230.

[0037] In other embodiments, the far-plate unlocking recess 210 can also be located on the side close to the unlocking groove 240 in the natural state of the elastic rod 300, and when the hook 310 is located in the far-plate unlocking recess 210, it has a tendency to enter the locking groove 230 under the action of the deformation force of the elastic rod 300 parallel to the hanging plate 200 (not shown in the figure).

[0038] In the preferred embodiment of the utility model, the locking groove 230 and the unlocking groove 240 are formed with anti-return bends 250 away from the lock disc 500 on both sides of the near-disc locking recess 220, and the lowest point of the anti-return bend 250 is closer to the lock disc 500 than the near-disc locking recess 220. In this way, as long as the hook 310 passes through the anti-return bend 250 when moving in the locking groove 230, it will reach the near-disc locking recess 220 under the action of the reset member 400, and as long as the hook 310 passes through the anti-return bend 250 when moving in the unlocking groove 240, it will reach the far-disc unlocking recess 210 under the action of the reset member 400.

[0039] In the embodiment, the locking groove 230 and the unlocking groove 240 have and only have one anti-return bend 250.

[0040] In the preferred embodiment of the utility model, the locking groove 230 penetrates the side edge of the hanging plate 200 away from the unlocking groove 240. The hook 310 can enter the locking groove 230 from the penetration position without being bent in the direction perpendicular to the hanging plate 200, thereby avoiding damaging the natural state of the elastic rod 300, ensuring that the hook 310 can reach the predetermined depth in the locking groove 230 or the unlocking groove 240, and being beneficial to improving the stability of the press-type elastic self-locking mechanism.

[0041] In other embodiments, the unlocking groove 240 can also penetrate the side edge of the hanging plate 200 away from the locking groove 230.

[0042] In the preferred embodiment of the utility model, the locking groove 230 and the unlocking groove 240 have the same groove depth and flush groove bottoms, so that the thickness of the hanging plate 200 does not need to be too thick, and the switching between the locking groove 230 and the unlocking groove 240 does not need to rely on the change of the groove depth of the locking groove 230 and the unlocking groove 240, and the stability is further improved.

[0043] That is, in the embodiment, the elastic rod 300 only has a force in the direction parallel to the hanging plate 200 on the hook 310, and does not have a force in the direction perpendicular to the hanging plate 200.

[0044] As Figure 1 In the preferred embodiment of the utility model, the lock body 100 comprises a lock rod 110 and a pressing cap 120 connected by screw threads, and the elastic rod 300 is clamped between the lock rod 110 and the pressing cap 120. When the pressing cap 120 and the lock rod 110 are locked by screw threads, the elastic rod 300 is fixed, which is convenient and fast.

[0045] In the embodiment, the elastic rod 300 is formed with a fixing rod 320 at one end away from the hook 310, the press cap 120 is provided with a receiving groove corresponding to the fixing rod 320, and the lock rod 110 is sealed with the receiving groove and abuts against the fixing rod 320 after being screwed with the press cap 120, so as to fix the elastic rod 300. Preferably, the fixing rod 320 is L-shaped.

[0046] In the preferred embodiment of the utility model, the mounting plate 600 with a guide hole 610 and the mounting base 700 with a protruding hole 710 are further included, the mounting plate 600 is fixed to the mounting base 700, the hanging plate 200 is fixed to the mounting plate 600 or the mounting base 700, the lock body 100 is inserted into the guide hole 610, and the lock body 100 protrudes from the protruding hole 710 when the hook 310 is in the near-plate locking concave position 220, one end of the reset member 400 abuts against the mounting base 700, and the other end abuts against the lock body 100. The mounting plate 600 and the mounting base 700 form a module with the part of the press-type elastic self-locking mechanism except the lock plate 500, so that the whole installation is facilitated.

[0047] In the embodiment, the press cap 120 protrudes from the guide hole 610, but the end of the press cap 120 is always located between the mounting plate 600 and the mounting base 700, so as to limit the movement of the press cap 120 and avoid the press cap 120 from falling off the guide hole 610.

[0048] In the preferred embodiment of the utility model, the mounting base 700 is barrel-shaped, the protruding hole 710 is located at the bottom wall of the mounting base 700, the mounting plate 600 covers the top opening of the mounting base 700, the hanging plate 200 is fixed to the mounting plate 600 and located between the mounting plate 600 and the mounting base 700. The mounting base 700 and the mounting plate 600 form a roughly closed cavity to accommodate the lock body 100, the hanging plate 200 and the elastic rod 300, so as to avoid the relative movement of the three components from being disturbed by the outside world and improve the stability.

[0049] In the embodiment, the screw penetrates through the mounting plate 600 and the mounting base 700 and is further connected with other components, so as to fix the whole press-type elastic self-locking mechanism.

[0050] As Figure 6In the preferred embodiment of the utility model, the bottom wall of the mounting seat 700 is fixed with a limiting ring 720, the limiting ring 720 surrounds the protruding hole 710, the lock body 100 passes through the limiting ring 720 and protrudes from the protruding hole 710, and the end portion is always located outside the protruding hole 710, a first waterproof ring 730 in interference fit with the lock body 100 is arranged between the limiting ring 720 and the lock body 100. The first waterproof ring 730 can prevent water entering the mounting seat 700 from seeping out of the protruding hole 710. This condition is suitable for the case that the protruding hole 710 is located inside the shell 840 (usually used for locking the rotation of the arm 820 of the stage lamp relative to the case 830).

[0051] Optionally, the first waterproof ring 730 can be made of polyurethane or fluororubber.

[0052] As Figure 5 In the preferred embodiment of the utility model, the mounting plate 600 and the mounting seat 700 are clamped with a second waterproof ring 620 around the guide hole 610, the mounting plate 600 is provided with a guide cylinder 630 around the guide hole 610 on the side away from the mounting seat 700, and a third waterproof ring 640 is sleeved on the outer side wall of the guide cylinder 630. The third waterproof ring 640 can abut against the shell 840 of the stage lamp or the shell 840 of other equipment provided with the pressing type elastic self-locking mechanism, so as to seal the through hole of the shell 840 for the guide cylinder 630 to pass through, the second waterproof ring 620 can prevent water entering the mounting seat 700 from seeping out of the gap between the mounting plate 600 and the mounting seat 700 and entering the shell 840, and the third waterproof ring 640 can prevent water from the outside entering the shell 840 through the gap between the guide cylinder 630 and the shell 840.

[0053] At this time, water entering the mounting seat 700 from the gap between the guide hole 610 and the lock body 100 can be discharged from the protruding hole 710, and this condition is suitable for the case that the protruding hole 710 is located outside the shell 840 (usually used for locking the rotation of the lamp head 810 of the stage lamp relative to the arm 820).

[0054] As Figure 5 , Figure 6The utility model also provides a stage lamp, including the lamp holder 810 for emitting light, the arm 820 of support the lamp holder 810 rotates and the case 830 of support the arm 820 rotates, still include preceding any kind of press type elastic self-locking mechanism, press type elastic self-locking mechanism is used for locking the rotation of lamp holder 810 relative to the arm 820 and / or the rotation of arm 820 relative to the case 830. With press type elastic self-locking mechanism, can lock the lamp holder 810 and / or the arm 820, it is convenient to maintain, transport.

[0055] In the preferred embodiment of the utility model, the lock body 100, the hanging plate 200 and the reset member 400 are located on the arm 820, and the lock disc 500 is located on the lamp holder 810, the case 830 or the corresponding rotary driving mechanism. Thus, the lamp holder 810 and the arm 820 can be locked.

[0056] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A push-type elastic self-locking mechanism characterized by, The utility model relates to a lock, including lock body (100), lock disc (500) and hanging plate (200), the lock body (100) always keep away from the tendency of lock disc (500) under the action of reset member (400), the lock body (100) is connected with elastic rod (300), the elastic rod (300) end forms the hook (310), the hanging plate (200) has the far disc unlocking recess (210) with the near disc locking recess (220), when the hook (310) is in the near disc locking recess (220), the lock body (100) with the lock position (510) on the lock disc (500) cooperation, limit the lock disc (500) rotation or remove, when the hook (310) is in the far disc unlocking recess (210), the lock body (100) with the lock position (510) on the lock disc (500) separation, release the lock disc (500) rotation or remove, still include the locking groove (230) and the unlocking groove (240) in the far disc unlocking recess (210) with the near disc locking recess (220) line both sides, the locking groove (230) guide the hook (310) from the far disc unlocking recess (210) one-way movement to the near disc locking recess (220), the unlocking groove (240) guide the hook (310) from the near disc locking recess (220) one-way movement to the far disc unlocking recess (210), and when the hook (310) is in the near disc locking recess (220), it has entered the unlocking groove (240) or under the deformation force of the elastic rod (300) parallel to the hanging plate (200) tendency has entered the unlocking groove (240), when the hook (310) is in the far disc unlocking recess (210), it has entered the locking groove (230) under the deformation force of the elastic rod (300) parallel to the hanging plate (200) tendency has entered the locking groove (230), every press the lock body (100) to the lock disc (500) direction once, the hook (310) will switch between the near disc locking recess (220) and the far disc unlocking recess (210) once.

2. The push-type elastic self-locking mechanism according to claim 1, characterized in that, The natural length direction of the elastic rod (300) is the same as the moving direction of the lock body (100) when the elastic rod (300) is in the natural state.

3. The push-type elastic self-locking mechanism according to claim 1, wherein The near disc locking recess (220) is located on the side close to the locking groove (230) in the natural state of the elastic rod (300).

4. The push-type elastic self-locking mechanism according to claim 1, wherein The far disc unlocking recess (210) is located on the projection of the hanging plate (200) in the natural state of the elastic rod (300).

5. The push-type elastic self-locking mechanism according to claim 1, wherein The locking groove (230) and the unlocking groove (240) are formed with anti-return bends (250) away from the lock disc (500) on both sides of the near disc locking recess (220), and the lowest point of the anti-return bends (250) is closer to the lock disc (500) than the near disc locking recess (220).

6. The push-type elastic self-locking mechanism according to claim 1, wherein The side of the locking groove (230) away from the unlocking groove (240) penetrates the side edge of the hanging plate (200).

7. The push-type elastic self-locking mechanism according to claim 1, wherein The locking groove (230) has the same groove depth and flat groove bottom as the unlocking groove (240).

8. The push-type elastic self-locking mechanism according to claim 1, wherein The lock body (100) comprises a threaded lock rod (110) and a pressing cap (120), and the elastic rod (300) is clamped between the lock rod (110) and the pressing cap (120).

9. The push-type elastic self-locking mechanism according to claim 1, wherein Further comprising a mounting plate (600) with a guide hole (610) and a mounting base (700) with a protruding hole (710), the mounting plate (600) is fixed to the mounting base (700), the hanging plate (200) is fixed to the mounting plate (600) or the mounting base (700), the lock body (100) is inserted into the guide hole (610), and when the hook (310) is in the near disc locking concave position (220), the lock body (100) protrudes from the protruding hole (710), one end of the reset member (400) abuts against the mounting base (700), and the other end abuts against the lock body (100).

10. The push-type elastic self-locking mechanism according to claim 9, wherein The mounting base (700) is in a barrel shape, the protruding hole (710) is located at the bottom wall thereof, the mounting plate (600) covers the top opening thereof, the hanging plate (200) is fixed to the mounting plate (600) and located between the mounting plate (600) and the mounting base (700).

11. The push-type elastic self-locking mechanism according to claim 10, wherein The bottom wall of the mounting base (700) is fixed with a limiting ring (720), the limiting ring (720) surrounds the protruding hole (710), the lock body (100) protrudes from the protruding hole (710) through the limiting ring (720), and the end portion is always located outside the protruding hole (710), a first waterproof ring (730) in interference fit with the lock body (100) is arranged between the limiting ring (720) and the lock body (100).

12. The push-type elastic self-locking mechanism according to claim 10, wherein A second waterproof ring (620) is clamped around the guide hole (610) between the mounting plate (600) and the mounting base (700), a guide cylinder (630) is arranged around the guide hole (610) on the side of the mounting plate (600) away from the mounting base (700), and a third waterproof ring (640) is sleeved on the outer sidewall of the guide cylinder (630).

13. A stage light, characterized by The lamp head (810) for emitting light, the arm (820) supporting the rotation of the lamp head (810), and the cabinet (830) supporting the rotation of the arm (820) are included, and the pressing type elastic self-locking mechanism of any one of claims 1-12 is further included, and the pressing type elastic self-locking mechanism is used to lock the rotation of the lamp head (810) relative to the arm (820) and / or the rotation of the arm (820) relative to the cabinet (830).

14. The stage light of claim 13, wherein, The lock body (100), the hanging plate (200), and the reset member (400) are located in the arm (820), and the lock disc (500) is located in the lamp head (810), the cabinet (830), or a corresponding rotation driving mechanism.

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