阅读说明：本技术 一种具有保持锁定功能的按压触动电气开关 (Push-touch electric switch with locking function ) 是由 史小强 曾小春 杨华 丁泽刚 杨文俊 罗后信 于 2019-10-22 设计创作，主要内容包括：本发明提供一种具有保持锁定功能的按压触动电气开关,包括基座、压杆、主凸轮、副凸轮、一对导电片A和一对导电片B,导电片A和导电片B彼此相间排列安装于基座以内,主凸轮与副凸轮相互啮合,副凸轮之上还套装有转动套,压杆的一端与转动套可转动地套接在一起,压杆的另一端与基座可转动地套接在一起,压杆之上还连接有一对动触片,动触片部署于导电片A与导电片B之间。采用本发明的技术方案,通过两个凸轮的啮合传动机构使电气开关的电性连接状态具有保持锁定功能,一方面,降低了电气开关各组成元件的制造难度和制造成本,使各组成构件易于装配,装配结构紧凑,整体外形尺寸较小,工作可靠稳定,并具有防水、防误动作等功能。(The invention provides a press-touch electric switch with a locking function, which comprises a base, a pressure lever, a main cam, an auxiliary cam, a pair of conducting strips A and a pair of conducting strips B, wherein the conducting strips A and the conducting strips B are arranged in the base in an alternate mode, the main cam is meshed with the auxiliary cam, a rotating sleeve is sleeved on the auxiliary cam, one end of the pressure lever is rotatably sleeved with the rotating sleeve, the other end of the pressure lever is rotatably sleeved with the base, a pair of movable contacts is connected to the pressure lever, and the movable contacts are arranged between the conducting strips A and the conducting strips B. By adopting the technical scheme of the invention, the electric connection state of the electric switch has the function of keeping locking through the meshing transmission mechanism of the two cams, on one hand, the manufacturing difficulty and the manufacturing cost of each component of the electric switch are reduced, each component is easy to assemble, the assembly structure is compact, the overall appearance size is small, the work is reliable and stable, and the electric switch has the functions of water resistance, misoperation prevention and the like.)

1. A push-to-touch electrical switch with hold-and-lock function, characterized by: including base (1), depression bar (2), main cam (3), vice cam (4), a pair of conducting strip A (5) and a pair of conducting strip B (6) alternate arrangement each other install in within base (1), main cam (3) and vice cam (4) intermeshing, it rotates cover (7) still to overlap on vice cam (4) to overlap, the one end of depression bar (2) with rotate cover (7) and rotationally cup joint together, the other end of depression bar (2) with base (1) rotationally cup joints together, still be connected with a pair of movable contact spring (8) on depression bar (2), movable contact spring (8) dispose in between conducting strip A (5) and conducting strip B (6).

2. A push-to-touch electrical switch with hold-and-lock capability as claimed in claim 1, wherein: the tail ends of the movable contact pieces (8) are also connected together through a tension spring (9).

3. A push-to-touch electrical switch with hold-and-lock capability as claimed in claim 1, wherein: still fixedly connected with casing (10) on base (1), depression bar (2), main cam (3), vice cam (4) all hold in casing (10) within.

4. A push-to-touch electrical switch with hold-lock feature as claimed in claim 3 wherein: the outer circumferential surface of the shell (10) is further screwed with a nut (11), and the outer circumferential surface of the shell (10) is further provided with a limiting table (12) which extends outwards along the radial direction of the shell.

5. A push to activate electrical switch with hold and lock function as claimed in claim 4 wherein: one side of the limiting table (12) departing from the nut (11) is provided with a groove A (13), and the outer end face of the press handle cap (16) sinks into the groove opening of the groove A (13).

6. A push to activate electrical switch with hold and lock function as claimed in claim 4 wherein: one side of the limiting table (12) facing the nut (11) is provided with a groove B (14), and an outer waterproof ring (15) is installed inside the groove B (14).

7. A push-to-touch electrical switch with hold-lock feature as claimed in claim 3 wherein: a handle cap (16) is further sleeved on the main cam (3), an inner waterproof ring (17) is further sleeved inside the shell (10), and the inner waterproof ring (17) is arranged between the handle cap (16) and the main cam (3).

8. A push-to-touch electrical switch with hold-lock feature as claimed in claim 3 wherein: a cam sleeve (18) is further sleeved in the shell (10), and the outer peripheral surface of the auxiliary cam (4) is rotatably connected with the cam sleeve (18) in a matched mode.

9. A push-to-touch electrical switch with hold-and-lock capability as claimed in claim 1, wherein: a spacer ring (19) is further sleeved in the base (1), the main cam (3) and the auxiliary cam (4) are arranged on one side of the spacer ring (19), and the pair of conducting strips A (5), the pair of conducting strips B (6) and the pair of movable contacts (8) are arranged on the other side of the spacer ring (19).

10. A push-to-touch electrical switch with hold-and-lock capability as claimed in claim 1, wherein: a pressure spring (20) is sleeved at the joint of the base (1) and the pressure lever (2).

Technical Field

The invention belongs to the technical field of electrical switch elements, and particularly relates to a push-touch electrical switch with a locking keeping function.

Background

Various switch elements are widely used in various circuit systems to control the on-off of a circuit loop or switch and conduct each circuit branch, at present, the shapes, structures and functions of various switch elements are different, one type of switch element with a locking function can keep the circuit branch in a state of keeping on or off after a trigger circuit is switched on or off, the number of times of control operation of people is reduced due to the locking function of the switch element, the application is very wide, the switch element with the locking function in the prior art generally comprises a movable contact part, a magnet and the like, the circuit branch can always keep in a state of being switched on or off through the movable contact part through the attraction effect of the magnet, the magnet of the switch element can be a permanent magnet or an electromagnet, if the electromagnet is used as the keeping element, the overall structure of the switching element becomes more complex, and the magnetic force of the electromagnet is also driven by electric power, so that the influence of various factors of a power supply system is greater, and the overall working reliability of the switching element is lower due to a plurality of uncertain factors.

Disclosure of Invention

In order to solve the technical problem, the invention provides a push-touch electric switch with a locking keeping function.

The invention is realized by the following technical scheme.

The invention provides a press-touch electric switch with a locking function, which comprises a base, a pressure lever, a main cam, an auxiliary cam, a pair of conducting strips A and a pair of conducting strips B, wherein the conducting strips A and the conducting strips B are arranged in the base in an alternate mode, the main cam is meshed with the auxiliary cam, a rotating sleeve is sleeved on the auxiliary cam, one end of the pressure lever is rotatably sleeved with the rotating sleeve, the other end of the pressure lever is rotatably sleeved with the base, a pair of movable contacts is connected onto the pressure lever, and the movable contacts are arranged between the conducting strips A and the conducting strips B.

The tail ends of the movable contact pieces are connected together through a tension spring.

Still fixedly connected with casing on the base, depression bar, main cam, vice cam all hold in within the casing.

The shell is characterized in that the outer peripheral surface of the shell is further in threaded connection with a nut, and the outer peripheral surface of the shell is further provided with a limiting table which extends outwards along the radial direction of the shell.

A groove A is formed in one side, back to the nut, of the limiting table, and the outer end face of the press handle cap sinks into the notch of the groove A.

One side of the limiting table facing the nut is provided with a groove B, and an outer waterproof ring is installed inside the groove B.

A handle cap is further sleeved on the main cam, an inner waterproof ring is further sleeved in the shell, and the inner waterproof ring is arranged between the handle cap and the main cam.

A cam sleeve is further sleeved in the shell, and the outer peripheral surface of the auxiliary cam is rotatably connected with the cam sleeve in a matched mode.

A spacer ring is further sleeved in the base, the main cam and the auxiliary cam are arranged on one side of the spacer ring, and the pair of conducting strips A, the pair of conducting strips B and the pair of movable contacts are arranged on the other side of the spacer ring.

The connection part of the base and the pressure rod is also sleeved with a pressure spring.

The invention has the beneficial effects that: by adopting the technical scheme of the invention, when downward pressing acting force is applied to the press handle cap, the downward linear motion of the press handle cap is converted into the rotation and the downward linear motion of the auxiliary cam through the meshing transmission of the main cam and the auxiliary cam, so that the press rod is driven to move downwards, the movable contact piece is driven to rotate radially around the press rod, the pair of conducting strips A or the pair of conducting strips B are mutually switched and connected together through the movable contact piece, and the function of switching and conducting the circuit is finished, because of the characteristics of the cam transmission mechanism, the corresponding motion effect can not be transmitted in the opposite direction, the conduction or the switching between the pair of conducting strips A or the pair of conducting strips B can be stably kept in the original state, when the electrical connection state between the pair of conducting strips A or the pair of conducting strips B needs to be changed, only the press handle cap needs to be continuously pressed, so that the meshing transmission mechanism of the main cam and the auxiliary cam crosses a, thereby the pressing handle cap is driven by the elasticity of the pressure spring to return to the original state without applying acting force, and simultaneously the electric connection state between the pair of conducting strips A or the pair of conducting strips B is changed.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a cross-sectional view of the present invention.

In the figure: 1-base, 2-pressure bar, 3-main cam, 4-auxiliary cam, 5-conducting plate A, 6-conducting plate B, 7-rotating sleeve, 8-moving contact, 9-tension spring, 10-shell, 11-nut, 12-limiting table, 13-groove A, 14-groove B, 15-outer waterproof ring, 16-handle cap, 17-inner waterproof ring, 18-cam sleeve, 19-spacer ring and 20-pressure spring.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

As shown in fig. 1 and 2, the invention provides a push-to-touch electrical switch with a holding locking function, which comprises a base 1, a pressure lever 2, a main cam 3, an auxiliary cam 4, a pair of conducting strips a5 and a pair of conducting strips B6, wherein the pair of conducting strips a5 and the pair of conducting strips B6 are arranged in the base 1 at intervals, the main cam 3 and the auxiliary cam 4 are meshed with each other, a rotating sleeve 7 is sleeved on the auxiliary cam 4, one end of the pressure lever 2 is rotatably sleeved with the rotating sleeve 7, the other end of the pressure lever 2 is rotatably sleeved with the base 1, a pair of movable contacts 8 are connected on the pressure lever 2, and the movable contacts 8 are arranged between the conducting strips a5 and the conducting strips B6.

Further, the ends of the movable contact 8 are connected together by a tension spring 9. In addition, a shell 10 is fixedly connected to the base 1, and the pressure lever 2, the main cam 3 and the auxiliary cam 4 are all accommodated in the shell 10.

In addition, a nut 11 is screwed on the outer peripheral surface of the shell 10, and a limit table 12 extending outward along the radial direction is arranged on the outer peripheral surface of the shell 10. When the invention is installed in corresponding electrical equipment or electrical device for use, the invention can be clamped on the corresponding mounting plate of the electrical equipment or electrical device through the nut 11 and the limit table 12.

Furthermore, a groove A13 is arranged on one side of the limiting table 12, which is far away from the nut 11, and the outer end face of the button cap 16 sinks into the notch of the groove A13. By adopting the technical scheme of the invention, the outer end face of the press handle cap 16 is sunk into the notch of the groove A13, so that the press handle cap 16 can be effectively prevented from being exposed to the external environment, and misoperation of an electrical connection state caused by misoperation and pressing of external acting force during use of the electric press handle cap is avoided.

Further, a groove B14 is arranged on one side, facing the nut 11, of the limiting table 12, and an outer waterproof ring 15 is mounted inside the groove B14. A handle cap 16 is sleeved on the main cam 3, an inner waterproof ring 17 is sleeved in the shell 10, and the inner waterproof ring 17 is arranged between the handle cap 16 and the main cam 3. Through the double protection of the outer waterproof ring 15 and the inner waterproof ring 17, the electric switch provided by the invention has good waterproof performance.

Further, the inner waterproof ring 17 is preferably adhered to the inside of the case 10 by silicone rubber. The button cap 16 is bonded to the main cam 3 by silicone rubber.

Further, a cam sleeve 18 is further fitted inside the housing 10, and the outer peripheral surface of the sub-cam 4 is rotatably fitted and connected to the cam sleeve 18. The base 1 is further internally sleeved with a spacing ring 19, the main cam 3 and the auxiliary cam 4 are arranged on one side of the spacing ring 19, and the pair of conducting sheets A5, the pair of conducting sheets B6 and the pair of movable contacts 8 are arranged on the other side of the spacing ring 19.

In addition, a pressure spring 20 is sleeved at the joint of the base 1 and the pressure rod 2.

By adopting the technical scheme of the invention, when downward pressing acting force is applied to the press handle cap, the downward linear motion of the press handle cap is converted into the rotation and the downward linear motion of the auxiliary cam through the meshing transmission of the main cam and the auxiliary cam, so that the press rod is driven to move downwards, the movable contact piece is driven to rotate radially around the press rod, the pair of conducting strips A or the pair of conducting strips B are mutually switched and connected together through the movable contact piece, and the function of switching and conducting the circuit is finished, because of the characteristics of the cam transmission mechanism, the corresponding motion effect can not be transmitted in the opposite direction, the conduction or the switching between the pair of conducting strips A or the pair of conducting strips B can be stably kept in the original state, when the electrical connection state between the pair of conducting strips A or the pair of conducting strips B needs to be changed, only the press handle cap needs to be continuously pressed, so that the meshing transmission mechanism of the main cam and the auxiliary cam crosses a, thereby the pressing handle cap is driven by the elasticity of the pressure spring to return to the original state without applying acting force, and simultaneously the electric connection state between the pair of conducting strips A or the pair of conducting strips B is changed.

In a word, by adopting the technical scheme of the invention, the cam meshing transmission mechanism replaces a magnet commonly used in the prior art, so that the electric connection state of the electric switch has the function of keeping locking, on one hand, the manufacturing difficulty and the manufacturing cost of each component of the electric switch are reduced, each component is easy to assemble, the assembly structure is compact, the overall appearance size is small, the operation is reliable and stable, and the electric switch has the functions of preventing water, preventing misoperation and the like.