A toggle switch with good sealing performance

Abstract

The present invention discloses a toggle switch with good sealing performance, which relates to the technical field of toggle switches, including a toggle lever, the lower end of which is in the shape of a rod body structure and passes through an upper clamp body, a flexible silicone rubber and extends into a blind hole in the middle of a lower clamp body in sequence, a step is provided on the lower clamp body, and an outer shell is provided on the step in a matching manner, a bushing is provided between the outer shell and the upper clamp body, and a rotating shaft that horizontally passes through the bushing and the toggle lever is provided above the bushing, the upper clamp body is composed of symmetrically arranged semicircular plates, and the space formed by the upper clamp body, the bushing and the lower clamp body is filled with flexible silicone rubber, and a connecting plate is fixedly provided at the lower end of the lower clamp body, and the connecting plate is fixedly provided on the base body through a positioning pin and a connecting bolt. The present invention optimizes and improves the joint part of the flexible silicone rubber and the toggle lever, improves the anti-extrusion performance of the flexible silicone rubber, prevents the fatigue strength of the flexible silicone rubber from decreasing, improves the overall sealing reliability of the product, and increases the service life of the product.

Description

Technical Field

[0001] The invention relates to the technical field of toggle switches, in particular to a toggle switch with good sealing performance. Background Art

[0002] The toggle switch is used to switch the circuit by turning the switch handle to connect or disconnect the circuit. The common types of toggle switches are single-pole double-position, single-pole three-position, bipolar double-position and bipolar three-position. It is generally used in low-voltage circuits and has the characteristics of flexible slider movement and stable and reliable performance. The toggle switch is widely used in: various instruments, instrumentation equipment, various electric toys, fax machines, audio equipment, medical equipment, beauty equipment, and other electronic products.

[0003] At present, the existing toggle switches have the following technical problems: 1. The sealing performance of the existing toggle switches is poor and cannot achieve a waterproof and dustproof sealing effect; 2. When the existing toggle switches are used repeatedly, the internal sealing rubber will partially fall off from the parts, resulting in sealing failure; 3. When the handle of the existing toggle switch is used repeatedly, the internal sealing rubber will be squeezed and deformed, and the sealing rubber and the parts will be continuously pulled at the adhesion point, thereby causing the fatigue strength of the sealing rubber to decrease. In some humid or dusty air environments, the aging speed is fast and the sealing effect cannot be achieved. Summary of the invention

[0004] The purpose of the present invention is to solve the above problems and provide a toggle switch with good sealing performance. The toggle switch is scientifically designed, optimizes and improves the joint between the flexible silicone and the toggle lever, improves the anti-extrusion performance of the flexible silicone in the bushing, effectively prevents the fatigue strength of the flexible silicone from decreasing, improves the overall sealing reliability of the product, increases the product service life, and meets the qualified requirements of product quality and mechanical service life.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is: a toggle switch with good sealing performance, including a toggle lever, the upper end of the toggle lever is in a smooth spherical structure, the lower end of the toggle lever is in a rod body structure, and downwardly passes through the upper clamp body, flexible silicone and extends into the blind hole in the middle of the lower clamp body in sequence, the lower clamp body is provided with a step, and an outer shell is matched on the step, a bushing is provided between the outer shell and the upper clamp body, a rotating shaft that horizontally passes through the bushing and the toggle lever is provided above the bushing, the upper clamp body is composed of symmetrically arranged semicircular plates, and the space formed by the upper clamp body, the bushing and the lower clamp body is filled with flexible silicone, a connecting plate is fixedly arranged at the lower end of the lower clamp body, the connecting plate is fixedly arranged on the base body by a locating pin and a connecting bolt, a threaded rod is arranged at a vertical mounting interval on the base body, the upper end of the threaded rod is a threaded structure and upwardly passes through the upper clamp body, a nut and a gasket are matched at one end of the threaded rod passing through the upper clamp body, the lower surface of the upper clamp body is aligned with the upper surface of the base body and a spring is arranged on the threaded rod.

[0006] As a further optimization of the present invention, a trapezoidal boss is arranged on the lower surface of the upper clamp near the position of the lever, and the flexible silicone is solidified into a trapezoidal groove at the contact position between the flexible silicone and the trapezoidal boss.

[0007] As a further optimization of the present invention, a rectangular structural groove is provided on the inner wall of the upper end of the bushing.

[0008] As a further optimization of the present invention, the upper end portion of the lower clamp body extending into the bushing is in the shape of a boss structure that is larger at the top and smaller at the bottom, and the flexible silicone is solidified into an inverted V-shaped annular groove at the contact position between the lower clamp body and the lower clamp body.

[0009] As a further optimization of the present invention, the lever can be flexibly fixed in the bushing after the flexible silicone is solidified and formed, and the upper clamp body and the lower clamp body can be removed after the flexible silicone is solidified and formed.

[0010] The beneficial effects of the invention are as follows: the invention provides a toggle switch with good sealing performance. It is scientifically designed, optimizes and improves the joint between the flexible silicone and the toggle lever, improves the anti-extrusion performance of the flexible silicone in the bushing, effectively prevents the fatigue strength of the flexible silicone from decreasing, improves the overall sealing reliability of the product, increases the product service life, and meets the qualified requirements of product quality and mechanical service life.

[0011] 1. The upper surface of the flexible silicone of the present invention is provided with a trapezoidal groove which is larger at the top and smaller at the bottom, and the lower surface of the flexible silicone is provided with an inverted V-shaped groove which is smaller at the top and larger at the bottom. When the lever is repeatedly moved in the bushing, the flexible silicone is folded at the groove and shrinks. In this way, the flexible silicone will not be squeezed and the adhesion between the flexible silicone and the parts will not be damaged, thereby improving the sealing reliability and increasing the service life of the product.

[0012] 2. The present invention is provided with a base body, a threaded rod, a nut, a gasket, and a spring. During the solidification and molding process of the flexible silicone, the enterprise staff can independently adjust the positions of the nut and the gasket on the threaded rod to control the pressure of the upper clamp on the flexible silicone. The adjustment is convenient, stable and reliable, and at the same time, the compactness of the solidification and molding of the flexible silicone can be improved, so that the solidified flexible silicone has higher strength and stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the main structure of the present invention.

[0014] Figure 2 This is a schematic diagram of the main structure after removing the upper clamping body and the lower clamping body of the present invention.

[0015] Figure 3 It is a schematic diagram of the structure of the flexible silicone in the present invention.

[0016] Figure 4 for Figure 1 Schematic diagram of the structure viewed from above.

[0017] The text markings in the figure are as follows: 1. lever; 2. upper clamping body; 3. rotating shaft; 4. bushing; 5. flexible silicone; 6. outer shell; 7. lower clamping body; 8. threaded rod; 9. nut; 10. gasket; 11. spring; 12. base body; 13. positioning pin; 14. connecting bolt; 15. connecting plate; 201. trapezoidal boss; 401. groove. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the present invention.

[0019] like Figure 1-Figure 4 As shown, the specific structure of the present invention is: a toggle switch with good sealing performance, including a lever 1, the upper end of the lever 1 is a smooth spherical structure, the lower end of the lever 1 is a rod structure, and passes through the upper clamp body 2 and the flexible silicone 5 downward in sequence and extends into the blind hole in the middle of the lower clamp body 7, the lower clamp body 7 is provided with a step, and the step is matched with an outer shell 6, a bushing 4 is provided between the outer shell 6 and the upper clamp body 2, and a rotating shaft 3 that horizontally penetrates the bushing 4 and the lever 1 is provided above the bushing 4, the upper clamp body 2 is composed of symmetrically arranged semicircular plates, and the upper The space formed by the clamp body 2, the bushing 4 and the lower clamp body 7 is filled with flexible silicone 5, a connecting plate 15 is fixedly provided at the lower end of the lower clamp body 7, the connecting plate 15 is fixedly provided on the base body 12 by a locating pin 13 and a connecting bolt 14, a threaded rod 8 is provided at a vertical mounting interval on the base body 12, the upper end of the threaded rod 8 is a threaded structure and passes upward through the upper clamp body 2, a nut 9 and a gasket 10 are matched with one end of the threaded rod 8 passing through the upper clamp body 2, the lower surface of the upper clamp body 2 is aligned with the upper surface of the base body 12 and a spring 11 is provided on the threaded rod 8.

[0020] Preferably, in order to improve the anti-extrusion performance of the flexible silicone 5 in the bushing, a trapezoidal boss 201 is provided on the lower surface of the upper clamp body 2 near the position of the lever 1, and the flexible silicone 5 is solidified into a trapezoidal groove at the contact position with the trapezoidal boss 201.

[0021] Preferably, in order to improve the sealing performance between the flexible silicone 5 and the bushing 4 and improve the overall stability of the device, a rectangular groove 401 is provided on the inner wall of the upper end of the bushing 4. The groove 401 can fix the flexible silicone 5 to prevent it from longitudinal displacement, destroy the adhesion of the flexible silicone 5, and avoid falling off.

[0022] Preferably, in order to improve the anti-extrusion performance of the flexible silicone 5 in the bushing, the upper end of the lower clamp body 7 extending into the bushing 4 is in the shape of a boss structure with a larger upper part and a smaller lower part, and the flexible silicone 5 is solidified into an inverted V-shaped annular groove at the contact position with the lower clamp body 7.

[0023] Preferably, in order to facilitate the stability and reliability of the device as a whole, the flexible silicone 5 can flexibly fix the lever 1 in the bushing 4 after solidification, and the upper clamp body 2 and the lower clamp body 7 can be removed after solidification.

[0024] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0025] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. A toggle switch with good sealing performance, characterized in that: The invention comprises a lever (1), the upper end of the lever (1) is in the form of a smooth spherical structure, the lower end of the lever (1) is in the form of a rod structure and passes through the upper clamp body (2) and the flexible silicone rubber (5) in sequence downwards and extends into a blind hole in the middle of the lower clamp body (7), the lower clamp body (7) is provided with a step, and an outer shell (6) is matched with the step, a bushing (4) is provided between the outer shell (6) and the upper clamp body (2), a rotating shaft (3) is provided above the bushing (4) and horizontally passes through the bushing (4) and the lever (1), the upper clamp body (2) is composed of symmetrically arranged semicircular plates, and the space formed by the upper clamp body (2), the bushing (4) and the lower clamp body (7) is filled with the flexible silicone rubber (5), a connecting plate (15) is fixedly provided at the lower end of the lower clamp body (7), and the connecting plate (15) is fixedly provided on the base body (12) by a positioning pin (13) and a connecting bolt (14), A threaded rod (8) is arranged at a vertical installation interval on the base body (12), the upper end of the threaded rod (8) is a threaded structure and passes upward through the upper clamp body (2), a nut (9) and a gasket (10) are matched with one end of the threaded rod (8) passing through the upper clamp body (2), the lower surface of the upper clamp body (2) is aligned with the upper surface of the base body (12) and a spring (11) is arranged on the threaded rod (8), a trapezoidal boss (201) is arranged on the lower surface of the upper clamp body (2) near the position of the lever (1), and the flexible silicone (5) is solidified into a trapezoidal groove at the contact position with the trapezoidal boss (201), a rectangular groove (401) is arranged on the inner wall of the upper end of the bushing (4), the lower clamp body (7) extends into the upper end of the bushing (4) and is in the shape of a boss structure with a larger upper part and a smaller lower part, and the flexible silicone (5) is solidified into an inverted V-shaped annular groove at the contact position with the lower clamp body (7).

2. A toggle switch with good sealing performance according to claim 1, characterized in that: After the flexible silicone (5) is solidified and formed, the lever (1) can be flexibly fixed in the bushing (4), and after the flexible silicone (5) is solidified and formed, the upper clamp body (2) and the lower clamp body (7) can be removed.

Images