CN219046263U

CN219046263U - Foot switch lock

Info

Publication number: CN219046263U
Application number: CN202223398749.5U
Authority: CN
Inventors: 吴巍; 王忠园; 柏玉萍
Original assignee: Shanghai Wonderful Opto Electrics Tech Co ltd
Current assignee: Shanghai Wonderful Opto Electrics Tech Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-05-19
Anticipated expiration: 2032-12-16

Abstract

The application relates to the field of laser treatment mechanical equipment, in particular to a foot switch lock, which comprises a base and an upper cover, wherein the upper cover is rotationally connected to the base, a locking structure is arranged between a bottom cover and the upper cover, the locking structure comprises a lock catch and a lock ring, the lock catch comprises an elastic piece, a pressing rod, a push ring and a clamping wheel, one end of the elastic piece is fixedly connected to the upper cover, the other end of the elastic piece is fixedly connected to the push ring, the pressing rod is inserted into the elastic piece, one end of the pressing rod is fixed to the upper cover, the clamping wheel is rotationally connected to the pressing rod, and gear teeth of the clamping wheel are in contact connection with the push ring; the lock ring is fixedly connected to the base, an empty slot through which the pressing rod can pass is formed in the middle of the lock ring, and a lock hole is formed in the position, corresponding to the clamping wheel, of the lock ring. The foot pedal has the effect of reducing the possibility of misoperation of the foot pedal.

Description

Foot switch lock

Technical Field

The present application relates to the field of laser treatment mechanical devices, and in particular to a foot switch lock.

Background

At present, laser is widely applied in the medical field, such as laser skin treatment or laser cutting technology, when a laser therapeutic apparatus is used, a laser emitting end needs to be held by hand to aim at a part to be treated, and usually the apparatus is switched on and off by a foot operation circuit by using a foot switch, so that the concentration of doctors on hands can be improved, and meanwhile, cross infection caused by hand touch can be reduced.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: when a plurality of different medical devices are used in the treatment process, the open foot switch is easy to be stepped on by mistake or the articles drop on the foot switch to cause misoperation of the devices.

Disclosure of Invention

In order to reduce the possibility of misoperation of the foot switch, the application provides a foot switch lock.

The application provides a foot switch lock adopts following technical scheme:

the pedal switch lock comprises a base and an upper cover, wherein the upper cover is rotationally connected to the base, a locking structure is arranged between a bottom cover and the upper cover, the locking structure comprises a lock catch and a lock ring, the lock catch comprises an elastic piece, a pressing rod, a push ring and a clamping wheel, one end of the elastic piece is fixedly connected to the upper cover, the other end of the elastic piece is fixedly connected to the push ring, the pressing rod is inserted into the elastic piece, one end of the pressing rod is fixed to the upper cover, the clamping wheel is rotationally connected to the pressing rod, and gear teeth of the clamping wheel are in contact connection with the push ring; the lock ring is fixedly connected to the base, an empty groove for the push rod to pass through is formed in the middle of the lock ring, the top surface of the lock ring can be abutted against the push ring, and a lock hole is formed in the position, corresponding to the clamping wheel, of the lock ring.

By adopting the technical scheme, the foot switch to be protected is positioned between the base and the upper cover and fixedly connected with the base, when the foot switch is not needed, the upper cover is pressed to enable the upper cover to rotate and buckle relative to the base, the inherent push rod at the bottom surface of the upper cover is inserted into the empty slot of the lock ring, the push ring at the bottom of the elastic piece is abutted against the top of the lock ring, the elastic piece is compressed, the push ring axially moves relative to the push rod along with the compression of the elastic piece, the clamping wheel is pushed to rotate relative to the push rod, the gear teeth of the clamping wheel are rotationally clamped in the lock hole, and the gear teeth adjacent to the upper parts of the gear teeth clamped in the lock hole on the clamping wheel are contacted with the top of the lock ring; when the foot switch is needed to be used, the upper cover is pressed again, the push rod continues to move downwards in the empty slot in the middle of the lock ring, the lower surface of the gear teeth, adjacent to the upper side of the gear teeth clamped in the lock hole, of the clamping wheel is abutted against the lock ring, the clamping wheel rotates relatively to the pressing rod until the lock catch is separated from the lock ring, the upper cover rotates relatively to the base to be opened, the protection and opening of the foot switch can be realized through repeatedly pressing the upper cover, and the possibility of misoperation of the foot switch is reduced.

Optionally, a groove is formed in the bottom of the pressing rod, and the clamping wheel is located in the groove.

Through adopting above-mentioned technical scheme, the screens wheel is located the recess on the push rod, can reduce the mistake and contact the screens wheel and make the screens wheel rotate relative the push rod to influence the possibility of upper cover and base lock.

Optionally, the catch includes fixed shell and fixed block, the fixed block is located inside the fixed shell and the bottom is fixed in the base, be equipped with the empty slot that can supply to press the pole to pass through in the middle of fixed shell and the fixed block, the upper surface of fixed shell can with push away the ring conflict, the lockhole is located the medial surface of fixed block.

Through adopting above-mentioned technical scheme, the fixed block is located the inside of fixed shell, and the lockhole is opened on the fixed block, can protect whole indentation structure in the fixed shell when the lock state, improves the stability of device.

Optionally, be equipped with the floating collar between fixed shell and the fixed block, the floating collar has elasticity, fixed shell top rigid coupling has the bulge loop, the bulge loop is spacing between fixed shell and fixed block with the floating collar, the floating collar can with the card wheel contact.

Through adopting above-mentioned technical scheme, take elastic floating ring setting to play when the lock to block the wheel fixed action, make things convenient for the hasp to break away from with the catch when the smooth passage of card wheel.

Optionally, a cover opening spring is arranged on a connecting shaft which is rotationally connected with the upper cover and the base.

Through adopting above-mentioned technical scheme, the spring of uncapping can give the elasticity that the upper cover was opened when hasp and catch are released fixed, makes the upper cover keep opening state always, reduces the influence when operating to foot switch.

Optionally, an auxiliary ring is fixedly connected to the push ring, the auxiliary ring is located between the elastic piece and the pressing rod and is contacted with the elastic piece, and a through groove for inserting gear teeth of the clamping wheel is formed in the outer side wall of the auxiliary ring.

Through adopting above-mentioned technical scheme, the auxiliary ring can play the effect of direction to the compression and the extension of elastic component, and the logical groove on the auxiliary ring does not influence the rotation of card wheel simultaneously.

Optionally, a fixing plate is fixedly connected to the top of the elastic piece, and the fixing plate is detachably connected to the upper cover.

Through adopting above-mentioned technical scheme, can dismantle the convenient maintenance or change of wearing and tearing part of structure.

Optionally, an anti-slip pad is arranged at the bottom of the base.

By adopting the technical scheme, the anti-slip pad can increase the friction force between the base and the ground, and reduce the possibility of damaging the base by too strong force when the upper cover is pressed.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the lock catch is matched with the lock ring, and the upper cover is repeatedly pressed, so that the pedal switch can be stably and sensitively protected, and the danger caused by misoperation is reduced;

2. the floating ring with elasticity is arranged to play a role in fixing the clamping wheel during buckling, and simultaneously, the clamping wheel can pass smoothly when the lock catch and the lock ring are separated;

3. the auxiliary ring can play a role in guiding the compression and extension of the elastic piece, and meanwhile, the through groove on the auxiliary ring does not influence the rotation of the clamping wheel.

Drawings

Fig. 1 is an overall structural diagram of an embodiment of the present application.

FIG. 2 is a block diagram of a latch and shackle lock according to an embodiment of the present application.

Fig. 3 is a block diagram of a latch according to an embodiment of the present application.

Fig. 4 is a structural view of a door spring according to an embodiment of the present application.

Reference numerals illustrate: 1. an upper cover; 2. a base; 3. locking; 31. a spring; 32. pressing a rod; 321. a groove; 33. a push ring; 34. a clamping wheel; 341. gear teeth I; 342. gear teeth II; 343. gear teeth III; 35. an auxiliary ring; 351. a through groove; 36. a fixing plate; 4. a locking ring; 41. a fixed case; 42. a fixed block; 421. a lock hole; 43. a floating ring; 44. a convex ring; 5. a connecting shaft; 6. a cover opening spring; 7. an anti-slip pad; 8. a foot switch.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a foot switch lock. Referring to fig. 1-3, a foot switch lock comprises a base 2 and an upper cover 1, wherein the upper cover 1 is rotatably connected to the base 2, a locking structure is arranged between the base 2 and the upper cover 1, the locking structure comprises a lock catch 3 and a lock ring 4, the lock catch 3 comprises an elastic piece 31, a pressing rod 32, a push ring 33 and a clamping wheel 34, the elastic piece 31 is a spring 31, one end of the spring 31 is fixedly connected with a fixed plate 36, the fixed plate 36 is detachably connected to the upper cover 1 through a bolt, one end of the spring 31 far away from the fixed plate 36 is fixedly connected to the push ring 33, a pressing rod 32 is inserted into the spring 31 and the push ring 33 and one end of the push ring is fixed to the upper cover 1, a groove 321 is formed in the bottom of one end of the push rod far away from the upper cover 1, the clamping wheel 34 is rotatably connected to the pressing rod 32 through a shaft, a first wheel 341 of the clamping wheel 34 is contacted with the lower surface of the push ring 33, a second 342 is adjacent above the first wheel 341, a third wheel 341 is adjacent to the second wheel 341, an auxiliary ring 35 is fixedly connected to the upper surface of the push ring 33, an auxiliary ring 35 is opposite to the second wheel 33, and the auxiliary ring 35 is placed on the auxiliary ring 35 and can be contacted with the inner side of the second wheel 35; the locking ring 4 comprises a fixed shell 41 and a fixed block 42, wherein the bottoms of the fixed shell 41 and the fixed block 42 are fixedly connected to the upper surface of the base 2, a hollow groove for the push rod 32 to pass through is formed in the middle of the fixed shell, the fixed block 42 is positioned in the fixed shell 41, an elastic floating ring 43 is arranged between the fixed shell 41 and the fixed block 42, a convex ring 44 is fixedly connected to the top end of the fixed shell 41, the convex ring 44 fixes the floating ring 43 between the fixed shell 41 and the fixed block 42, and a locking hole 421 is formed in the inner side wall of the fixed block 42 corresponding to the position of the clamping wheel 34.

When the foot switch 8 is used by a user, the foot switch 8 is placed between the upper cover 1 and the base 2, the lower surface of the foot switch 8 is fixed at the top of the base 2, the upper surface of the upper cover 1 is pressed when the foot switch 8 is not needed, the upper cover 1 rotates relative to the base 2, the lock catch 3 approaches to the lock ring 4 until the push ring 33 is abutted against the upper surface of the convex ring 44, the spring 31 compresses the push rod 32 to continuously move downwards in a hollow groove formed in the middle of the fixed shell 41 and the fixed block 42, the clamping wheel 34 is rotated relative to the push rod 32 by the contact force of the push ring 33 until the clamping wheel 34 passes through the push ring 33 and the convex ring 44, the third gear tooth 343 rotates into the lock hole 421, and the upper surface is abutted against the metal floating ring 43, so that the upper cover 1 is fixedly buckled with the base 2, and the internal foot switch 8 is protected; when the foot switch 8 is needed to be used, the upper cover 1 is pressed again, the spring 31 continues to compress under the action of external force, the pressing rod 32 extends downwards, the second gear teeth 342 are contacted with the upper surface of the floating ring 43 to enable the clamping wheel 34 to rotate relative to the pressing rod 32 until the pressing rod 32 and the clamping wheel 34 are separated from the lock ring 4, the operation of opening the upper cover 1 is completed, and the foot switch 8 can be operated; the device needs an operator to control the lock catch 3 and the lock ring 4 by using external force, so that the device is buckled or opened, and the possibility of misoperation of the foot switch 8 is reduced.

Referring to fig. 1 and 4, a cover opening spring 6 is sleeved on a connecting shaft 5 which is rotatably connected with the upper cover 1 and the base 2, one end of the cover opening spring 6 is abutted with the upper cover 1, and the other end is abutted with the base 2; the cover opening spring 6 can give the elastic force for opening the upper cover 1 when the lock catch 3 and the lock ring 4 are released, so that the upper cover 1 is kept in an open state all the time, and the influence of the upper cover 1 on the operation of the foot switch 8 is reduced; the base 2 bottom is equipped with four slipmats 7 that rubber made, and base 2 places subaerial through slipmat 7, and slipmat 7 can increase the frictional force of base 2 and ground, and the elasticity of rubber can reduce the possibility that the forceful damage base 2 when pressing upper cover 1.

The implementation principle of the foot switch lock provided by the embodiment of the application is as follows: the foot switch 8 is arranged between the upper cover 1 and the base 2, the lower surface of the foot switch 8 is fixed at the top of the base 2, when the foot switch 8 is not needed, the upper surface of the upper cover 1 is pressed to rotate relative to the base 2, the cover opening spring 6 is contracted under the action of the pressing force, the lock catch 3 approaches to the lock ring 4 until the push ring 33 is abutted against the upper surface of the convex ring 44, the spring 31 compresses the push rod 32 to continuously move downwards in a hollow groove formed in the middle of the fixed shell 41 and the fixed block 42, the gear teeth II 342 are rotated relative to the push rod 32 by the contact force of the push ring 33 until the clamping wheel 34 passes through the push ring 33 and the convex ring 44, the gear teeth III 343 are rotated into the lock hole 421, and the upper surface is abutted and clamped by the metal floating ring 43, so that the upper cover 1 is fixedly buckled with the base 2, and the inner foot switch 8 is protected; when the foot switch 8 is needed to be used, the upper cover 1 is pressed again, the spring 31 continues to compress under the action of external force, the pressing rod 32 extends downwards, the second gear teeth 342 are contacted with the upper surface of the floating ring 43 to enable the clamping wheel 34 to rotate relative to the pressing rod 32 until the pressing rod 32 and the clamping wheel 34 are separated from the lock ring 4, the cover opening spring 631 releases to spring, the operation of opening the upper cover 1 is completed, the foot switch 8 can be operated, and the possibility of misoperation of the foot switch 8 is reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A foot switch lock, characterized in that: the novel anti-theft lock comprises a base (2) and an upper cover (1), wherein the upper cover (1) is rotationally connected to the base (2), a locking structure is arranged between the base (2) and the upper cover (1), the locking structure comprises a lock catch (3) and a lock ring (4), the lock catch (3) comprises an elastic piece, a pressing rod (32), a push ring (33) and a clamping wheel (34), one end of the elastic piece is fixedly connected to the upper cover (1), the other end of the elastic piece is fixedly connected to the push ring (33), the pressing rod (32) is inserted into the elastic piece, one end of the pressing rod is fixed to the upper cover (1), the clamping wheel (34) is rotationally connected to the pressing rod (32), and gear teeth of the clamping wheel (34) are contacted with the push ring (33); the lock ring (4) is fixedly connected to the base (2), an empty groove through which the pressing rod (32) can pass is formed in the middle of the lock ring, the top surface of the lock ring (4) can be abutted against the push ring (33), and a lock hole (421) is formed in the position, corresponding to the clamping wheel (34), of the lock ring (4).

2. A foot operated switch lock as set forth in claim 1, wherein: the bottom of the pressing rod (32) is provided with a groove (321), and the clamping wheel (34) is positioned in the groove (321).

3. A foot operated switch lock as set forth in claim 1, wherein: the lock ring (4) comprises a fixed shell (41) and a fixed block (42), wherein the fixed block (42) is positioned inside the fixed shell (41) and fixed at the bottom of the fixed block (42) in the base (2), an empty slot through which a pressing rod (32) can pass is formed in the middle of the fixed shell (41) and the fixed block (42), the upper surface of the fixed shell (41) can be abutted to the push ring (33), and the lock hole (421) is positioned on the inner side surface of the fixed block (42).

4. A foot operated switch lock as set forth in claim 3, wherein: a floating ring (43) is arranged between the fixed shell (41) and the fixed block (42), the floating ring (43) is elastic, a convex ring (44) is fixedly connected to the top of the fixed shell (41), the convex ring (44) limits the floating ring (43) between the fixed shell (41) and the fixed block (42), and the floating ring (43) can be in contact with the clamping wheel (34).

5. A foot operated switch lock as set forth in claim 1, wherein: the cover opening spring (6) is arranged on a connecting shaft (5) which is rotationally connected with the upper cover (1) and the base (2).

6. A foot operated switch lock as set forth in claim 1, wherein: an auxiliary ring (35) is fixedly connected to the push ring (33), the auxiliary ring (35) is located between the elastic piece and the pressing rod (32) and is contacted with the elastic piece, and a through groove (351) for inserting gear teeth of the clamping wheel (34) is formed in the outer side wall of the auxiliary ring (35).

7. A foot operated switch lock as set forth in claim 1, wherein: the top of the elastic piece is fixedly connected with a fixing plate (36), and the fixing plate (36) is detachably connected with the upper cover (1).

8. A foot operated switch lock as set forth in claim 1, wherein: the bottom of the base (2) is provided with an anti-slip pad (7).