CN-116994898-B - Linkage foot switch with self-locking structure

Abstract

The invention provides a linkage foot switch with a self-locking structure, which belongs to the field of switch equipment and comprises a lower shell, wherein an upper shell is rotatably arranged on the lower shell, a press switch is arranged in the lower shell, the upper shell is transmitted through the linkage structure and can be triggered to be connected to the press switch, the self-locking structure which is rotatably connected to the lower shell is arranged above the upper shell, the linkage structure comprises a push rod and a linkage seat, the push rod and the linkage seat are in sliding connection, the linkage seat is provided with a linkage push plate for triggering all the press switches fixedly arranged on the lower shell at the same time, the push rod and the linkage seat are matched, so that the foot switch can drive the linkage seat to trigger a plurality of press switches at the same time through the transmission of the push rod when being pressed, the plurality of press switches are respectively connected to different equipment, the plurality of equipment can be controlled at the same time through one foot switch, in addition, the self-locking structure can prevent the upper shell from being stepped down by misoperation, and the overall safety is improved.

Inventors

• CHEN WANG

Assignees

• 浙江旺通智能装备有限公司

Dates

Publication Date

20260508

Application Date

20230727

Claims (4)

1. 1. The utility model provides a take linkage foot switch of auto-lock structure, includes inferior valve (2), installs upper housing (1) on inferior valve (2) pivoted, is provided with push switch (6) in inferior valve (2), upper housing (1) transmission and triggerable are connected to push switch (6), characterized in that, it still includes auto-lock structure (7) and protecting crust (8), auto-lock structure (7) are including being located foot push pedal (71) of upper housing (1), and connecting plate (72) are all extended to the both sides of foot push pedal (71), and connecting plate (72) stride upper housing (1) back pivoted install on inferior valve (2), and connecting plate (72) are kept away from foot push pedal (71) one end pivoted and are installed lock post (73), and the tie point of connecting plate (72) and inferior valve (2) is located between lock post (73) and foot push pedal (71), the one end that connecting plate (72) were kept away from to lock post (73) is provided with lock spring (74), and lock spring (74) are connected to inferior valve (2) again, and lock post (73) are provided with lock post (75) one end (74) and are provided with the corresponding in the upper bracket (75) of a body and are in the condition that extends upward extension (1) when setting up and are in the nature, the supporting column (75) is positioned below the supporting block (76) and is in clearance fit with the supporting block, and a supporting block (77) for supporting the lock column (73) is arranged below the corresponding position of the supporting column (75) on the lower shell (2); the protective shell (8) is wrapped outside the lower shell (2) and the upper shell (1), the lower shell (2) is provided with a limiting block (78) which limits the excessive separation of the lock column (73) from the supporting block (77) at the corresponding position of one end of the lock column (73) far away from the supporting block (77), the supporting block (77) is internally provided with a containing groove (771) for containing a lock spring (74), the other end of the lock spring (74) relative to the lock column (73) is fixedly connected into the containing groove (771), the limiting groove (772) is arranged below the containing groove (771), the lock column (73) is provided with a limiting plate (731) matched with the limiting groove (772), the limiting plate (731) and the limiting groove (772) are in clearance fit, the lower shell (2) is fixedly provided with a plurality of pressing switches (6), the upper shell (1) is simultaneously driven and can be triggered through a linkage structure, the linkage structure comprises a push rod (3) fixedly arranged on the upper shell (1) and a linkage seat (4) connected to the lower shell (2), the push rod (3) is sleeved with a reset spring (5), one end of the reset spring (5) is connected with the upper shell (1), the other end of the reset spring (5) is connected with the lower shell (2), the push rod (3) is far away from one end of the upper shell (1) and the linkage seat (4) in sliding connection, the linkage seat (4) is provided with a linkage push plate (41) for triggering all the push switches (6) fixedly mounted on the lower shell (2) simultaneously, and the upper shell (1) drives the linkage seat (4) to rotate by pushing the push rod (3) and triggers all the push switches (6) simultaneously through the linkage seat (4).
2. 2. The linkage foot switch with the self-locking structure according to claim 1, wherein one end of the push rod (3) far away from the upper shell (1) is provided with a mounting part (31), the diameter of the mounting part (31) is smaller than the diameter of other parts of the push rod (3), two limit sliding plates are sleeved on the mounting part (31) through a guide ring (32), the middle part of each limit sliding plate is provided with a guide ring (32), two sides of each guide ring (32) are provided with limit wings (33) extending along the radial direction, the thickness of each guide ring (32) is larger than the thickness of each limit wing (33), one side of each guide ring (32) is overlapped with one side of each limit wing (33), the other side of each guide ring (32) protrudes relative to each limit wing (33) to form a protruding part (34), two limit sliding plates on the mounting part (31) are symmetrically arranged and are mutually close to each other, a sliding groove is formed between the limit wings (33) of the two limit sliding plates, sliding holes (42) with the diameter smaller than the maximum length of the limit sliding plates are formed in the linkage seat (4), and the mounting part (31) of the push rod (3) is provided with sliding holes (42) with the diameter smaller than the maximum length of the limit sliding plates, and the sliding seats (4) can penetrate through the sliding holes (42) on the two sides of the linkage seat (4) respectively.
3. 3. The linkage foot switch with the self-locking structure according to claim 2, wherein the linkage seat (4) comprises a linkage push plate (41), two ends of one side of the linkage push plate (41) are respectively provided with a connecting rod (47) which transversely extends, a rotating column (43) which is used for being rotationally connected with the lower shell (2) is arranged on the connecting rod (47), one side of the linkage push plate (41) is in contact connection with the push switch (6), a transmission plate (44) is integrally formed on the other side of the linkage push plate (41) and opposite to the other side of the connecting rod (47), the extending direction of the transmission plate (44) is opposite to the extending direction of the connecting rod (47), the sliding hole (42) is formed on the transmission plate (44), two limit sliding plates are respectively positioned on two sides of the transmission plate (44), a plurality of triangular support plates (45) are further arranged on the transmission plate (44), the triangular support plates (45) are fixedly connected to the linkage push plate (41), and a plurality of structure reinforcing blocks (46) which are used for increasing the thickness are arranged on one side of the transmission plate (44).
4. 4. A linked foot switch with a self-locking structure according to claim 3, wherein the lower shell (2) is provided with aviation plugs (21) with the same number as the pressing switches (6) at one end far away from the stepping part (11) of the upper shell (1), and the aviation plugs (21) are in one-to-one corresponding electric connection with the pressing switches (6).

Description

Linkage foot switch with self-locking structure Technical Field The invention belongs to the field of switch equipment, and particularly relates to a linkage foot switch with a self-locking structure. Background The foot switch is a switch for being turned on or off by foot control devices, so that an operator of the device can release both hands during operation, so that more work can be done. The existing foot switch is not provided with a self-locking structure, and misoperation is easy to occur to form safety accidents. In addition, the existing foot switch is of a single switch structure, namely, one foot switch can only control one device and cannot control the starting or closing of a plurality of devices at the same time, so that the improvement of production efficiency is restricted. Disclosure of Invention Based on the prior art, the invention provides a linkage foot switch with a self-locking structure, which comprises a lower shell, wherein an upper shell is rotatably arranged on the lower shell, a push switch is arranged in the lower shell, the upper shell is in transmission and can be triggered to be connected to the push switch, further comprises a self-locking structure, the self-locking structure comprises a foot pushing plate positioned above the upper shell, connecting plates are arranged on the lower shell in a rotating manner after crossing the upper shell, a lock column is rotatably arranged at one end of the connecting plates, far away from the foot pushing plate, of the connecting plates, a connecting point of the connecting plates and the lower shell is positioned between the lock column and the foot pushing plate, a lock spring is arranged at one end, far away from the connecting plates, of the lock column, and is connected to the lower shell again, one end, provided with the lock spring, of the lock column is integrally formed, provided with an upwards extending prop, the upper shell is provided with a prop block at a position corresponding to the prop block, the prop block is positioned below the prop block and is in clearance fit with the prop block, and the prop block is used for bearing the lock column under the position corresponding to the prop block when the lock spring is in a natural extension state. The linkage foot switch with the self-locking structure further comprises a protective shell, wherein the protective shell is wrapped outside the lower shell and the upper shell, and a limiting block for limiting the lock column to be excessively far away from the supporting block is arranged at the corresponding position of one end of the lock column, which is far away from the supporting block, of the lower shell. The lock comprises a support block, wherein an accommodating groove for accommodating a lock spring is formed in the support block, the lock spring is fixedly connected into the accommodating groove relative to the other end of a lock column, a limiting groove is formed in the lower portion of the accommodating groove, and the lock column is provided with a limiting plate matched with the limiting groove and in clearance fit with the limiting plate. Wherein, fixed mounting has a plurality of push switch in the inferior valve, and the epitheca passes through linkage structure and drives simultaneously and can trigger be connected to all push switches, linkage structure includes the push rod of fixed mounting to the epitheca and rotates the linkage seat that is connected to the inferior valve, reset spring has been cup jointed outward to the push rod, and reset spring's one end and epitheca are connected, and reset spring's the other end and inferior valve are connected, the one end and the linkage seat sliding connection of epitheca are kept away from to the push rod, be provided with the linkage push pedal that is used for triggering all fixed mounting to the push switch on the inferior valve simultaneously on the linkage seat, the epitheca drives the linkage seat through promoting the push rod and rotates and trigger all push switches simultaneously through the linkage seat. The two limiting sliding plates are sleeved on the mounting part through guide rings, the middle parts of the limiting sliding plates are guide rings, two sides of each guide ring are provided with limiting wings extending along the radial direction, the thickness of each guide ring is larger than that of each limiting wing, one side of each guide ring is overlapped with one side of each limiting wing, the other side of each guide ring protrudes relative to each limiting wing to form a protruding part, the two limiting sliding plates on the mounting part are symmetrically arranged and are close to each other, a sliding groove is formed between the limiting wings of the two limiting sliding plates, the diameter of each sliding plate is smaller than the sliding hole of the maximum length of each limiting sliding plate, the mounting part of the push rod penetrates through the sliding hole, and t