Four-way toggle switch with clamping stagnation prevention function

Abstract

The utility model discloses a four-way toggle switch with clamping stagnation prevention, which comprises a deflector rod and a cross-shaped universal piece inserted in the deflector rod, the cross-shaped universal piece is provided with a first shaft rod and a second shaft rod which are perpendicular to each other, the two sides of the deflector rod are provided with hinge holes for accommodating the second shaft rod, and the hinge holes are connected with the first shaft rod and the second shaft rod. The hinge hole is provided with a flaring part, the second shaft rod is provided with an abutting part corresponding to the flaring part, and gaps are reserved between the hinge hole and the second shaft rod and between the inner wall of the shifting rod and the cross-shaped universal piece. The second shaft rod is connected with the deflector rod through the abutting part, so that the contact area is greatly reduced, the friction force during movement of the second shaft rod and the deflector rod is effectively reduced, the deflector rod moves more smoothly to adapt to various operation forces and speeds, the operation accuracy and hand feeling are improved, and the smooth and errorless action of the switch is ensured. The product has the advantages of preventing clamping stagnation, improving opening and closing smoothness, prolonging the service life and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to switch technical field especially relates to a four -way dialing switch with anti -stuck. BACKGROUND

[0002] Dialing switch is through dialing switch handle makes circuit connection or disconnection, thereby reaches the purpose of switching circuit, dialing switch commonly has two -way and four -way, dialing switch is mainly widely used in low -voltage circuit, audio equipment, medical equipment, automobile seat adjustment etc.

[0003] Because dialing switch exists in the manufacturing process tolerance of spare part, dialing switch forms larger contact area between dialing lever and cross universal piece after assembly, causes when pushing dialing lever, the friction of both contact surfaces increases, and then causes the problems such as sticking, opening and closing are not smooth, increase wear rate simultaneously, there is the risk of reducing service life, therefore, the applicant has made beneficial design, found the method to solve the above problems, the technical scheme to be introduced below is generated under this background. SUMMARY

[0004] The utility model discloses a kind of four-way dialing switches with anti-stuck to overcome the deficiency of the design of the above-mentioned traditional dialing switch, provide a product to prevent sticking, improve opening and closing smoothness, improve service life.

[0005] To solve the above problems, the utility model adopts the following technical scheme.

[0006] A four-way dialing switch with anti-stuck, comprising a dialing lever and a cross universal piece inserted into the dialing lever, the cross universal piece is provided with a first shaft and a second shaft perpendicular to each other, both sides of the dialing lever are provided with a hinge hole accommodating the second shaft, the hinge hole is provided with an expanded portion, the second shaft is provided with a contact portion corresponding to the expanded portion, and a gap is left between the hinge hole, the second shaft, the inner wall of the dialing lever and the cross universal piece.

[0007] Preferably, it further comprises a base and a cover plate covering the base, the corner of the base is provided with a raised portion, the raised portion is provided with a rivet column, the cover plate is provided with a first through hole for the rivet column to pass through, the first through hole is provided with a counterbore, and the cover plate is further provided with a second through hole for the dialing lever to pass through.

[0008] Preferably, each side wall surface of the base is provided with a conductive support, the conductive support is provided with a movable spring piece that can swing left and right, and the head of the movable spring piece is provided with a movable contact point.

[0009] Preferably, the base is further provided with a pair of static spring sheets arranged oppositely and arranged on both sides of the moving contact, the static spring sheet is provided with a static contact corresponding to the moving contact, the moving spring sheet is provided with an elastic part and acts on the conductive support to make the moving contact abut against one of the static contacts.

[0010] Preferably, the base is uniformly provided with a plurality of equally spaced partitions with a circular point as a center, two of the partitions are provided with support parts and are arranged oppositely, and the support parts are provided with through holes for accommodating the first shaft.

[0011] Preferably, a push rod is arranged between two adjacent partitions and abuts against the moving spring sheet, and the bottom of the push rod is provided with a pushing part and is close to the tail side wall of the push rod.

[0012] Preferably, an elastic connecting piece is arranged between two adjacent push rods, the elastic connecting piece comprises a first curved part, the back surface of the first curved part is provided with a limiting part and is close to the corner of the partition, and the two sides of the first curved part are provided with second curved parts and are arranged on one side of the push rod.

[0013] Beneficial effects:

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model discloses, the second shaft is connected with the push rod through the abutting part, makes it contact area greatly reduces, effectively reduces the friction of two activities, makes the push rod movement more smooth, to adapt to various operating force and speed, promotes the operation accuracy and the feeling, ensures that the switch action is smooth and accurate, and effectively prolongs the service life. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the four -way push switch of the utility model with anti -stuck;

[0017] Figure 2 It is the side sectional structure schematic diagram of the four -way push switch of the utility model with anti -stuck;

[0018] Figure 3 It is the four -way push switch of the utility model with anti -stuck Figure 2 It is the local enlarged drawing A of the four -way push switch of the utility model with anti -stuck;

[0019] Figure 4 It is the internal structure plan view of the four -way push switch of the utility model with anti -stuck;

[0020] Figure 5 It is the internal structure schematic diagram of the four -way push switch of the utility model with anti -stuck;

[0021] Figure 6The utility model discloses a cover plate structure of four -way dial switch with anti -stuck shows a schematic diagram.

[0022] The correspondence between the reference signs in the drawings and the component names is as follows:

[0023] Reference signs: 1, dial rod, 2, cross universal piece, 3, base, 4, cover plate, 5, supporting piece, 6, moving spring piece, 7, static spring piece, 8, push rod, 9, elastic connecting piece;

[0024] 11, hinge hole, 12, flared portion,

[0025] 21, first shaft rod, 22, second shaft rod,

[0026] 221, abutting portion,

[0027] 31, lifting portion, 32, rivet column, 33, partition, 34, supporting portion, 35, perforation,

[0028] 41, first through hole, 42, counterbore, 43, second through hole,

[0029] 61, moving contact, 62, elastic portion,

[0030] 71, static contact,

[0031] 81, pushing portion,

[0032] 91, first bending portion, 92, limiting portion, 93, second bending portion. DETAILED DESCRIPTION

[0033] The technical scheme of the utility model will be described below in conjunction with the embodiments, obviously, the described embodiments are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0034] In the description of the utility model, it is understood that the orientation or position relation indicated by the terms "upper", "lower", "left", "right" and the like in the specification is the orientation or position relation based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0035] In the embodiments of the present application, "and / or" is only used to describe the relationship between the associated objects, which means that there can be three relationships, for example, A and / or B, which means that there are three cases: A alone, A and B together, and B alone.

[0036] Reference Example Figures 1 to 6 A four-way toggle switch with anti-stuck, comprising a toggle lever 1 and a cross universal piece 2 inserted in the toggle lever 1, the cross universal piece 2 is provided with a first shaft 21 and a second shaft 22 perpendicular to each other, both sides of the toggle lever 1 are provided with a hinge hole 11 accommodating the second shaft 22, the hinge hole 11 is provided with an expanded portion 12, the second shaft 22 is provided with a contact portion 221 corresponding to the expanded portion 12, a gap is left between the hinge hole 11 and the second shaft 22, the inner wall of the toggle lever 1 and the cross universal piece 2, the second shaft 22 is connected with the toggle lever 1 through the contact portion 221, so that the contact area is greatly reduced, the friction force during the movement of the two is effectively reduced, the movement of the toggle lever 1 is more smooth, so as to adapt to various operation force and speed, improve the operation accuracy and hand feeling, ensure the smooth operation of the switch, effectively prolong the service life, and when the toggle switch is used on the seat of the car, the vibration generated during the driving of the car will cause irregular movement of the toggle lever, but thanks to the gap design, the anti-shaking range of the toggle lever is reduced;

[0037] It is worth mentioning that it also includes a base 3 and a cover plate 4 covering the base 3, the corner of the base 3 is provided with a raised portion 31, the raised portion 31 is provided with a rivet column 32, the cover plate 4 is provided with a first through hole 41 for the rivet column 32 to pass through, the first through hole 41 is provided with a counterbore 42, the cover plate 4 is also provided with a second through hole 43 for the toggle lever 1 to pass through, the raised portion 31 and the cover plate 4 are in contact, forming a cavity for accommodating parts, and the rivet column 32 is formed in the counterbore 42 after high-temperature melting through the hot riveting process, realizing the stable connection of the base 3 and the cover plate 4;

[0038] It is worth mentioning that each side wall surface of the base 3 is provided with a conductive support 5, the conductive support 5 is provided with a movable spring piece 6 that can swing left and right, the head of the movable spring piece 6 is provided with a movable contact 61, the conductive support 5 is usually provided with a lead-out pin exposed at the bottom of the base 3, which belongs to the known technology in the technical field and is not the technical focus of the present application, and will not be described here.

[0039] It is worth mentioning that the base 3 is also provided with the static spring sheet 7 arranged oppositely and arranged on both sides of the movable contact 61, the static spring sheet 7 is provided with the static contact 71 corresponding to the movable contact 61, the movable spring sheet 6 is provided with the elastic part 62 and acts on the conductive support 5, so that the movable contact 61 abuts against one of the static contacts 71, the static spring sheet 7 is usually provided with the lead-out pin exposed at the bottom of the base 3, which is a known technology in the technical field and is not the technical focus of the utility model, and will not be described here, the elastic part 62 is arc-shaped, so that the movable contact 61 abuts against the static contact 71 close to the first bending part 91, when the movable spring sheet 6 is pushed by the push rod 8, the movable contact 61 moves away from the initial static contact 71, the elastic part 62 stores energy, and after the pushing force disappears, the elastic part 62 releases energy, and the movable spring sheet 6 resets;

[0040] It is worth mentioning that the base 3 is uniformly provided with a plurality of equally spaced partitions 33 with a circular dot as the center, two of the partitions 33 are provided with the support part 34 and are arranged oppositely, the support part 34 is provided with the through hole 35 accommodating the first shaft 21, and the partition 33 not only provides guidance for the extension and retraction movement of the push rod 8, but also enables the first shaft 21 to swing left and right around the through hole 35.

[0041] It is worth mentioning that the push rod 8 is arranged between two adjacent partitions 33 and abuts against the movable spring sheet 6, the bottom of the push rod 8 is provided with the pushing part 81 close to the tail side wall of the push rod 1, when the push rod 1 rotates around the second shaft 22 and moves forward and backward, the tail part applies a pushing force to the pushing part 81, the force is transmitted to the push rod 8, and then drives the movable and static contacts 71 in the forward and backward direction to perform the breaking action.

[0042] It is worth mentioning that the elastic connecting piece 9 is arranged between two adjacent push rods 8, the elastic connecting piece 9 includes the first bending part 91, the back of the first bending part 91 is provided with the limiting part 92 close to the corner of the partition 33, the two sides of the first bending part 91 are provided with the second bending part 93 arranged on one side of the push rod 8, the first bending part 91 is a convex arc structure, and the second bending part 93 is a concave arc structure, when the push rod 8 moves in the direction of one of the movable spring sheets 6, the second bending parts 93 on both sides of the push rod 8 are pulled by the pulling force, and the first bending part 91 on one side is also pulled to realize secondary energy storage, when the pushing force of the push rod 8 disappears, the first bending part 91 and the second bending part 93 release energy and accelerate the reset of the movable spring sheet 6 and the push rod 8 by the elastic part 62.

[0043] The above design scheme can prevent the product from being stuck, improve the opening and closing smoothness, and improve the service life.

[0044] The above is further detailed description of the utility model in combination with specific embodiments, and cannot be determined that the utility model specific implementation is limited to these descriptions. For ordinary skilled in the art to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all should be regarded as belonging to the protection scope determined by the claims submitted by the utility model.

Claims

1. A four-way dial switch with anti-sticking, comprising a dial rod (1) and a cross universal piece (2) inserted in the dial rod (1), characterized in that: The cross universal part (2) is provided with a first shaft (21) and a second shaft (22) perpendicular to each other, both sides of the lever (1) are provided with a hinge hole (11) accommodating the second shaft (22), the hinge hole (11) is provided with a flared portion (12), the second shaft (22) is provided with a contact portion (221) corresponding to the flared portion (12), and a gap is left between the hinge hole (11), the second shaft (22) and the inner wall of the lever (1) and the cross universal part (2).

2. The anti-stiction four-way dial switch of claim 1, wherein: Further comprising a base (3) and a cover plate (4) covering the base (3), the corner of the base (3) is provided with a raised portion (31), the raised portion (31) is provided with a rivet column (32), the cover plate (4) is provided with a first through hole (41) for the rivet column (32) to pass through, the first through hole (41) is provided with a counterbore (42), and the cover plate (4) is further provided with a second through hole (43) for the lever (1) to pass through.

3. The anti-stiction four-way dial switch of claim 2, wherein: Each side wall surface of the base (3) is provided with a conductive support (5), the conductive support (5) is provided with a movable spring piece (6) that can swing left and right, and the head of the movable spring piece (6) is provided with a movable contact (61).

4. The anti-stiction four-way dial switch of claim 3, wherein: The base (3) is further provided with a static spring piece (7) arranged opposite to each other and arranged on both sides of the movable contact (61), the static spring piece (7) is provided with a static contact (71) corresponding to the movable contact (61), and the movable spring piece (6) is provided with an elastic portion (62) and acts on the conductive support (5), so that the movable contact (61) abuts against one of the static contacts (71).

5. The anti-stiction four-way dial switch of claim 2, wherein: The base (3) is uniformly provided with a plurality of equally spaced partition plates (33) with a dot as the center, two of the partition plates (33) are provided with support portions (34) and are arranged opposite to each other, and the support portions (34) are provided with through holes (35) accommodating the first shaft (21).

6. The anti-stiction four-way dial switch of claim 5, wherein: Push rods (8) are arranged between two adjacent partition plates (33) and abut against the movable spring piece (6), the bottom of the push rod (8) is provided with a pushing portion (81) close to the tail side wall of the lever (1).

7. The anti-stiction four-way toggle switch of claim 6, wherein: Elastic connecting pieces (9) are arranged between two adjacent push rods (8), the elastic connecting piece (9) comprises a first curved portion (91), the back surface of the first curved portion (91) is provided with a limiting portion (92) close to the corner of the partition plate (33), and the two sides of the first curved portion (91) are provided with second curved portions (93) arranged on one side of the push rod (8).

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