CN115410839A - Self-adaptive clutch switch - Google Patents

Abstract

The invention discloses a self-adaptive clutch switch, which comprises a switch body and a push rod, wherein an injection molding part is arranged in the switch body in a sliding manner, a second through hole for the push rod to pass through is formed in the middle of the injection molding part, an elastic clamp spring is fixedly connected in the second through hole, a plurality of tooth grooves distributed along the central axis of the push rod are formed in the outer surface of one end of the push rod, the elastic clamp spring is clamped on the tooth grooves, one end of the push rod penetrates through the side wall of the switch body and extends to the outside of the switch body, the injection molding part is fixedly connected with the inner wall of the switch body through a compression spring, a metal elastic sheet is arranged at one end, far away from the compression spring, connected with the inner wall of the switch body, of the injection molding part, and a conducting sheet corresponding to the metal elastic sheet is arranged on the inner wall of the switch body.

Description

Self-adaptive clutch switch

Technical Field

The invention relates to the technical field of clutch switches, in particular to a self-adaptive clutch switch.

Background

When the distance between the clutch mounting plate and the pedal gasket is smaller than a standard value, and the compression spring in the clutch switch body in the prior art is compressed to the limit, the push rod cannot retract inwards, so that the clutch switch cannot be self-adaptive to clutch pedals with different sizes or tolerances.

Disclosure of Invention

It is an object of the present invention to ameliorate and/or create the disadvantages and problems associated with the background art, and to provide an adaptive clutch switch.

The invention provides the following technical scheme for achieving the purpose: the utility model provides a self-adaptation clutch switch, includes the switch body, the switch body is installed on clutch pedal mounting plate, still includes the push rod, the inside slip of switch body is provided with the injection molding, the second through-hole that is used for the push rod to pass is offered at the injection molding middle part, the elastic jump ring of second through-hole internal fixation connection, set up the tooth's socket that a plurality of distributes along the push rod axis on the surface of push rod one end, the elastic jump ring joint is in on the tooth's socket, push rod one end runs through the switch body lateral wall and extends to the outside of switch body, and the injection molding passes through compression spring and switch body inner wall fixed connection, keep away from the one end that compression spring and switch body inner wall are connected on the injection molding and install the metal shrapnel, install the conducting strip corresponding with the metal shrapnel on the switch body inner wall.

By the technical scheme, when the clutch switch body is installed on the pedal installation sheet, the pedal gasket is abutted against the push rod, so that the push rod retracts inwards, the compression spring is compressed, the metal elastic sheet and the conducting sheet are driven to be separated, and when the compression spring is compressed to the limit, the push rod slides relative to the elastic snap spring, so that the push rod further retracts inwards, the push rod is matched with pedals with different tolerances or sizes, and the self-adaptive capacity of the clutch switch is improved.

The injection molding piece comprises a sliding block and a cylinder which are integrally formed, the second through hole is formed in the sliding block, and one end of the compression spring is fixedly connected with the bottom wall of the cylinder.

The further scheme is that a sliding groove is formed in the side wall of the sliding block, and ribs matched with the sliding groove are installed on the inner wall of the switch body.

According to the technical scheme, the injection molding piece and the metal elastic piece slide along the central axis of the switch body through the mutual matching of the sliding groove and the rib, and the operation stability of the injection molding piece and the metal elastic piece is improved.

The push rod comprises a first surface and a second surface opposite to the first surface, and the first surface and the second surface are respectively provided with 8 tooth grooves.

It is obvious by above-mentioned technical scheme, through all seting up the tooth's socket on push rod first surface and second surface for the push rod drives the injection molding operation more stable, and the quantity of tooth's socket is provided with 8, makes the push rod can slide the interval of 7 draw-in grooves for the elasticity jump ring, has improved clutch switch's self-adaptation ability greatly.

The further scheme is that install the elasticity jump ring on the first surface and install the elasticity jump ring integrated into one piece setting on the second surface, and install the elasticity jump ring both ends on the first surface and crooked with the elasticity jump ring on the same radian orientation second surface respectively, install the elasticity jump ring both ends on the second surface and crooked with the elasticity jump ring on the first surface of same radian orientation respectively for the elasticity jump ring is oval-like.

According to the technical scheme, the two ends of the elastic clamp springs on the first surface and the second surface are both arranged to be bent towards the push rod body in the same radian, after the compression springs are compressed in place, the elastic clamp springs can be bent and deformed in an adaptive mode under the further extrusion action of the push rod, the limit on the push rod is removed, and after the push rod retracts in place, the elastic clamp springs are embedded into the tooth grooves again under the elastic action of self deformation.

The injection molding part comprises a first surface, a second surface, an injection molding part and a first cover plate, wherein the first surface is provided with a through groove, the second surface is provided with a through groove, the first surface is provided with a through groove, and the second surface is provided with a through groove.

According to the technical scheme, the elastic clamp spring on the first surface and the molded end of the elastic clamp spring on the second surface are arranged in the through groove and are attached to the inner wall of the through groove, after the compression spring is compressed in place, the elastic clamp spring is abutted by the inner wall of the through groove, and under the further extrusion action of the push rod, the molded end of the elastic clamp spring on the first surface and the molded end of the elastic clamp spring on the second surface cannot move forward relative to the injection molding piece along the central axis of the push rod.

The clutch pedal mounting piece is provided with a first through hole, the first through hole is used for the front end of the switch body and the push rod to penetrate, the outer wall of the switch body is provided with a fixture block, the clutch pedal mounting piece is provided with a first groove and a second groove, the first groove and the second groove are mutually spaced by 1.5-2.5 mm, the fixture block is in clearance fit with the first groove and in interference fit with the second groove, when the switch body rotates, the fixture block enters the second groove from the first groove, and the switch body is connected to the clutch pedal mounting piece through a clamping groove formed in the front end of the switch body.

According to the technical scheme, after the clamping block enters the first groove and then rotates to the second groove, the switch body can be fixed on the clutch pedal mounting plate, and compared with the traditional switch body which is fixed on the clutch pedal mounting plate through threaded connection, the problem that the traditional clutch switch is complex to install is solved; the switch body is clamped on the clutch pedal mounting piece through the clamping groove, so that the switch body can be prevented from moving along the central axis direction of the switch body to be separated from the clutch pedal; first recess and second recess are 1.5 ~ 2.5mm at an interval each other, and after the switch body was installed on the clutch pedal mounting plate, the fixture block was difficult to enter into first recess from the second recess, can play the effect that prevents the switch body pine and take off.

The further scheme is that a protruding block is installed on one surface, close to the clutch pedal installation piece, of the fixture block, the protruding block increases interference magnitude, and the effect of preventing the switch body from loosening is further achieved.

The further proposal is that the number of the metal elastic sheets is two.

The elastic clamp spring is further characterized in that the elastic clamp spring is made of a high-carbon steel wire, and the high-carbon steel wire has the advantages of high strength and high elastic deformation.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the push rod slides relative to the elastic clamp spring, so that the push rod can further contract inwards, the push rod can be conveniently matched with pedals with different tolerances or sizes, and the self-adaptive capacity of the clutch switch is improved; through with switch body joint on the clutch pedal mounting plate, compare traditional switch body and pass through threaded connection and fix on the clutch pedal mounting plate, solved the loaded down with trivial details problem of traditional clutch switch installation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a perspective view of the switch body of the present invention mounted on a clutch pedal;

FIG. 2 is an exploded view of the internal structure of the switch body of the present invention;

FIG. 3 is an exploded view of the internal structure of the switch body of the present invention;

FIG. 4 is a schematic view of the structure of the invention showing the cooperation of the elastic clamp spring and the push rod;

FIG. 5 is a perspective view of the switch body and clutch pedal of the present invention;

FIG. 6 is a schematic diagram of the switch body structure of the present invention;

reference numerals are as follows: the switch comprises a switch body 1, a push rod 2, a clamping block 3, a first groove 4, a second groove 5, a compression spring 6, an injection molding piece 7, a sliding block 71, a cylinder 72, a tooth groove 8, an elastic clamp spring 9, a protruding block 10, a metal elastic sheet 11, a sliding groove 12, a first through hole 13, a second through hole 14, a first surface 15, a second surface 16, a through groove 17, a clamping groove 18 and a clutch pedal mounting sheet 19.

Detailed Description

In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 6, a self-adaptive clutch switch comprises a switch body 1, the switch body 1 is installed on a clutch pedal installation sheet 19, and further comprises a push rod 2, an injection molding 7 is slidably arranged inside the switch body 1, a second through hole 14 for the push rod 2 to penetrate through is formed in the middle of the injection molding 7, an elastic clamp spring 9 is fixedly connected inside the second through hole 14, the elastic clamp spring 9 is made of a high-carbon steel wire, a plurality of tooth grooves 8 distributed along the central axis of the push rod 2 are formed in the outer surface of one end of the push rod 2, the high-carbon steel wire has the advantages of high strength and high elastic deformation, the elastic clamp spring 9 is clamped on the tooth grooves 8, the push rod 2 comprises a first surface 15 and a second surface 16 opposite to the first surface 15, the first surface 15 and the second surface 16 are respectively provided with 8 tooth grooves 8, one end of the push rod 2 penetrates through the outer wall of the switch body 1 and extends to the outside of the switch body 1 to abut against a pedal gasket, the injection molding 7 is fixedly connected with the inner wall of the switch body 1 through a compression spring 6, a metal elastic sheet 11 is installed at one end of the injection molding 7, the end, the metal elastic sheet 11 is installed on the inner wall of the switch body, and the metal elastic sheet 11 corresponds to the metal elastic sheet 11, and the metal elastic sheet 11 is formed on the switch body, and corresponds to two metal elastic sheet 11.

Referring to fig. 2 and 3, the injection molded part 7 includes a slider 71 and a cylinder 72 integrally formed, the second through hole 14 is opened on the slider 71, and one end of the compression spring 6 is fixedly connected with the bottom wall of the cylinder 72. The slide block 71 has a slide groove 12 on the side wall, and ribs adapted to the slide groove 12 are mounted on the inner wall of the switch body 1, which are not shown in the figure.

Referring to fig. 2 to 4, the elastic clamp spring 9 mounted on the first surface 15 and the elastic clamp spring 9 mounted on the second surface 16 are integrally formed, two ends of the elastic clamp spring 9 mounted on the first surface 15 are respectively bent toward the elastic clamp spring 9 on the second surface 16 with the same radian, and two ends of the elastic clamp spring 9 mounted on the second surface 16 are respectively bent toward the elastic clamp spring 9 on the first surface 15 with the same radian, so that the elastic clamp spring 9 is in an ellipse shape. The elastic clamp spring 9 on the first surface 15 is not fixedly connected with the formed end of the elastic clamp spring 9 on the second surface 16 and the inner wall of the second through hole 14, the elastic clamp spring 9 on the second surface 16 is not fixedly connected with the formed end of the elastic clamp spring 9 on the first surface 15 and the inner wall of the second through hole 14, a through groove 17 communicated with the second through hole 14 is formed in the side wall of the sliding block 71, and the elastic clamp spring 9 on the first surface 15 and the formed end of the elastic clamp spring 9 on the second surface 16 are arranged in the through groove 17 and attached to the inner wall of the through groove 17.

Referring to fig. 5 and 6, a first through hole 13 is formed in the clutch pedal mounting plate 19, the first through hole 13 is used for the front end of the switch body 1 and the push rod 2 to pass through, the fixture block 3 is mounted on the outer wall of the switch body 1, a first groove 4 and a second groove 5 are formed in the clutch pedal mounting plate 19, and the first groove 4 and the second groove 5 are spaced by 1.5-2.5 mm, preferably 2mm. Fixture block 3 and first recess 4 clearance fit, and with second recess 5 interference fit, work as rotary switch body 1, make fixture block 3 enter into second recess 5 from first recess 4, 18 joints of draw-in groove that switch body 1 was seted up through its front end simultaneously are on clutch pedal installation piece 19, the thickness looks adaptation of draw-in groove 18 and clutch pedal installation piece 19, still install protruding piece 10 on the one side that fixture block 3 is close to clutch pedal installation piece 19, protruding piece 10 has increased the magnitude of interference, the effect of preventing switch body 1 from clutch pedal installation piece 19 pine to take off has been played, clutch job stabilization nature has been improved, fixture block 3 and protruding piece 10 are formed by nylon materials (PA 6) preparation.

The working principle of the invention is as follows: when the clutch pedal mounting piece is used specifically, the fixture block 3 of the switch body 1 is inserted into the first groove 4 in the clutch pedal mounting piece 19, then the switch body 1 is rotated, so that the fixture block 3 enters the second groove 5, and the mounting work of the clutch switch is completed; in the installation process of the switch body 1, the pedal gasket butts against the push rod 2, so that the push rod 2 retracts towards the inside of the switch body 1, the push rod 2 drives the injection molding piece 7 to move towards the top wall of the switch body 1 through the elastic clamp spring 9, the metal elastic sheet 11 is separated from the conducting sheet, the switch is disconnected, meanwhile, the compression spring 6 is compressed, when the distance between the clutch pedal installation sheet 19 and the pedal gasket is smaller than a standard value, the compression spring 6 is compressed to the limit, the push rod 2 still retracts inwards at the moment, then the push rod 2 slides relative to the elastic clamp spring 9, the elastic clamp spring 9 slides into the other tooth groove 8, the extending length of the push rod 8 is adaptive to the distance between the clutch pedal installation sheet and the pedal gasket, and the self-adaptive capacity of the clutch switch is improved; after the clutch pedal is stepped on, the pedal gasket does not abut against the push rod 8 any more, and under the reset action of the compression spring 6, the injection molding piece 7, the elastic clamp spring 9 and the metal elastic sheet 11 move towards one end close to the conducting sheet together until the metal elastic sheet 11 is in close contact with the conducting sheet, so that the switch is closed.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered as limiting the invention.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those skilled in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides an adaptive clutch switch, includes switch body (1), install on clutch pedal installation piece (19) switch body (1), its characterized in that: still include push rod (2), switch body (1) inside slip is provided with injection molding (7), second through-hole (14) that are used for push rod (2) to pass are seted up at injection molding (7) middle part, second through-hole (14) internal fixation is connected with elasticity jump ring (9), set up tooth's socket (8) that a plurality of distributed along push rod (2) axis on push rod (2) one end surface, elasticity jump ring (9) joint is in on tooth's socket (8), push rod (2) one end runs through switch body (1) lateral wall and extends to the outside of switch body (1), and injection molding (7) are through compression spring (6) and switch body (1) inner wall fixed connection, keep away from the one end that compression spring (6) and switch body (1) inner wall are connected on injection molding (7) and install metal shrapnel (11), install the corresponding with metal shrapnel (11) on switch body (1) inner wall.

2. An adaptive clutch switch according to claim 1, characterized in that: the injection molding piece (7) comprises a sliding block (71) and a cylinder (72) which are integrally formed, the second through hole (14) is formed in the sliding block (71), and one end of the compression spring (6) is fixedly connected with the bottom wall of the cylinder (72).

3. An adaptive clutch switch as claimed in claim 2, wherein: the sliding groove (12) is formed in the side wall of the sliding block (71), and ribs matched with the sliding groove (12) are installed on the inner wall of the switch body (1).

4. An adaptive clutch switch according to claim 1, characterized in that: the push rod (2) comprises a first surface (15) and a second surface (16) opposite to the first surface (15), and the first surface (15) and the second surface (16) are respectively provided with 8 tooth grooves (8).

5. An adaptive clutch switch according to claim 1, characterized in that: install elasticity jump ring (9) on first surface (15) and install elasticity jump ring (9) integrated into one piece setting on second surface (16), and install elasticity jump ring (9) both ends on first surface (15) and bend with the elasticity jump ring (9) on the second surface (16) of same radian orientation respectively, install elasticity jump ring (9) both ends on second surface (16) and bend with the elasticity jump ring (9) on first surface (15) of same radian orientation respectively for elasticity jump ring (9) are oval-like.

6. An adaptive clutch switch according to claim 5, characterized in that: elasticity jump ring (9) on first surface (15) non-with the second surface on the fashioned one end of elasticity jump ring (9) and second through-hole (14) inner wall fixed connection, elasticity jump ring (9) on second surface (16) non-with the first surface on the fashioned one end of elasticity jump ring (9) also with second through-hole (14) inner wall fixed connection, logical groove (17) that are linked together with second through-hole (14) are seted up to injection molding (7) lateral wall, elasticity jump ring (9) on first surface (15) and the fashioned one end of elasticity jump ring (9) on second surface (16) set up in logical groove (17) and laminate mutually with logical groove (17) inner wall.

7. An adaptive clutch switch according to any one of claims 1 to 6, characterized in that: the utility model discloses a switch, including clutch pedal installation piece (19), clutch pedal installation piece (19) have been seted up first through-hole (13), and first through-hole (13) are used for switch body (1) front end and push rod (2) to pass, fixture block (3) are installed to switch body (1) outer wall, first recess (4) and second recess (5) have been seted up on clutch pedal installation piece (19), and first recess (4) and second recess (5) separate 1.5 ~ 2.5mm each other, fixture block (3) and first recess (4) clearance fit, and with second recess (5) interference fit, when rotary switch body (1) for fixture block (3) enter into second recess (5) from first recess (4), draw-in groove (18) joint that switch body (1) seted up through its front end is on clutch pedal installation piece (19).

8. An adaptive clutch switch as claimed in claim 7, wherein: and a convex block (10) is arranged on one surface of the clamping block (3) close to the clutch pedal mounting piece (19).

9. An adaptive clutch switch as claimed in claim 1, characterized in that: the number of the metal elastic sheets (11) is two.

10. An adaptive clutch switch according to claim 1, characterized in that: the elastic clamp spring (9) is made of high-carbon steel wires.

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