CN215680440U

CN215680440U - Automobile clutch switch

Info

Publication number: CN215680440U
Application number: CN202121802512.1U
Authority: CN
Inventors: 张学; 马运凡; 史国辉
Original assignee: Wuhan Tianyun Auto Electric System Co ltd
Current assignee: Wuhan Tianyun Auto Electric System Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-01-28
Anticipated expiration: 2031-08-04

Abstract

The utility model belongs to the technical field of automobile spare and accessory parts, and particularly relates to an automobile clutch switch, which comprises a shell, a push rod, a movable contact piece, a return spring, a fixed seat and an insertion piece, wherein a spring mounting groove is formed in the fixed seat, the return spring is positioned in the spring mounting groove, the movable contact piece comprises a contact plate and a contact frame, the contact plate is abutted against the return spring, the contact frame is fixed on the contact plate, when a clutch pedal is stepped on, the push rod is far away from the movable contact piece, the movable contact piece moves upwards under the elastic force of the return spring to be far away from the insertion piece, so that the clutch switch is disconnected, when the clutch pedal is released, the push rod is close to the movable contact piece, and as the end part of the contact frame is provided with an elastic hook part, the insertion piece is in friction contact with the contact frame, the impact generated when the contact frame is contacted with the insertion piece can be effectively relieved, the service life of the clutch switch is prolonged, and simultaneously, the contact surface of the hook part and the insertion piece can be cleaned, the effective connection of the hook part and the insertion piece is ensured, and the stability of the clutch switch is improved.

Description

Automobile clutch switch

Technical Field

The utility model belongs to the technical field of automobile parts and particularly relates to an automobile clutch switch.

Background

The clutch switch is a signal for providing a power for switching on and off the gearbox for the engine, and has the main function that when the clutch is combined or separated, the clutch switch inputs a signal of the working state of the clutch to the ECU as a correction signal for controlling the fuel injection quantity and the ignition advance angle, and the phenomenon of high rotating speed can be influenced when the switch works badly or the gear shifting occurs. Meanwhile, the clutch switch is a normally open switch and is arranged on the clutch pedal of the automobile, the push rod is in a compressed state, and the switch is communicated; when the clutch pedal is stepped on, the push rod is reset, and the switch is disconnected.

The existing clutch switch is generally provided with a movable contact and a fixed contact which are disconnected and contacted to realize the on-off of the switch, but the movable contact and the fixed contact are easy to generate impact when in contact, the clutch switch is easy to damage after long-term use, and certain noise can be generated by the direct contact of the movable contact and the fixed contact, so that discomfort is brought to a driver.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automobile clutch switch, which aims to solve the technical problem that the service life of the clutch switch is influenced by large impact generated when a movable contact and a fixed contact of the existing automobile clutch switch are contacted.

In order to achieve the above object, an embodiment of the present invention provides an automobile clutch switch, which includes a housing, a push rod, a movable contact piece, a return spring, a fixed seat, and an insertion piece, wherein a spring installation groove is formed inside the fixed seat, the housing is fixed on the fixed seat and located on one side of the spring installation groove, the return spring is located in the spring installation groove, the movable contact piece includes a contact plate and a contact frame, the contact plate abuts against the return spring, the contact frame is fixed on the contact plate, an elastic hook portion is arranged at an end portion of the contact frame, the push rod penetrates through the housing and extends to one side of the contact plate, and an upper end of the insertion piece is inserted on the fixed seat and located below the elastic hook portion.

Optionally, the contact frame and the abutting plate are arranged obliquely.

Optionally, the clutch switch further includes a guide frame, the guide frame is located between the abutting plate and the push rod, a guide shaft is disposed on one surface of the guide frame close to the abutting plate, a guide hole is disposed on the surface of the abutting plate, the abutting plate is sleeved on the surface of the guide shaft through the guide hole and is in sliding connection with the guide shaft, and one end of the reset spring close to the movable contact piece is sleeved on the surface of the guide shaft.

Optionally, the guide hole is of a diamond structure, the guide shaft includes two limiting strips arranged in a crossed manner, and the side edges of the limiting strips are located at the diamond corners of the guide hole.

Optionally, the number of the inserting pieces is two, the number of the contact frames is four, and the four contact frames are uniformly distributed on the peripheral side of the abutting plate in an annular manner.

Optionally, four limiting frames are arranged on the guide frame, the limiting frames are located on the periphery of the guide shaft, and the four limiting frames are located between the four contact frames.

Optionally, the peripheral side of the guide frame is provided with a first limiting protrusion, a limiting sliding groove matched with the first limiting protrusion is formed in the groove wall of the spring mounting groove, and the first limiting protrusion is located in the limiting sliding groove.

Optionally, the clutch switch further comprises an installation sleeve, the installation sleeve is sleeved on the surface of the fixing seat and clamped with the fixing seat, the lower end of the insertion piece is located in the installation sleeve, and a line body installation jack is arranged at the bottom of the installation sleeve.

Optionally, the mounting sleeve comprises two semicircular sleeves with the same structure, one sides of the two semicircular sleeves are hinged to each other, and the other sides of the two semicircular sleeves are detachably connected.

Optionally, the lower extreme of inserted sheet be provided with the perpendicular pencil connection piece that sets up of inserted sheet, clutch switch still includes the pencil assembly, the pencil assembly pass the line body installation jack and with pencil connection piece fixed connection.

Optionally, a second limiting protrusion is arranged inside the mounting sleeve, a limiting groove matched with the second limiting protrusion is formed in the surface of the fixing seat, and the second limiting protrusion is located in the limiting groove.

One or more technical schemes in the automobile clutch switch provided by the embodiment of the utility model at least have one of the following technical effects: the automobile clutch switch comprises a shell, a push rod, a movable contact piece, a reset spring, a fixed seat and an insertion piece, wherein a spring installation groove is formed in the fixed seat, the shell is fixed on the fixed seat and located on one side of the spring installation groove, the reset spring is located in the spring installation groove, the movable contact piece comprises a abutting plate and a contact frame, the abutting plate abuts against the reset spring, the contact frame is fixed on the abutting plate, when the clutch switch is installed on a pedal assembly, the contact frame is in a contact state with the end part of the insertion piece, when the clutch pedal is stepped on, the push rod is far away from the movable contact piece, the movable contact piece moves upwards under the elastic force of the reset spring to be far away from the insertion piece, the clutch switch is disconnected, when the clutch pedal is released, the push rod is close to the movable contact piece, the movable contact piece pushes the end part of the insertion piece under the push rod, the clutch switch is closed, and the end part of the contact frame is provided with an elastic hook part, make between inserted sheet and the contact frame for frictional contact, the impact that produces when can effectively alleviate contact frame and inserted sheet contact promotes clutch switch's life, simultaneously, can clean the contact surface of crook portion and inserted sheet, guarantees the effective connection of crook portion and inserted sheet, promotes clutch switch's stability.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions 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 inventive exercise.

Fig. 1 is a schematic structural diagram of an automobile clutch switch according to an embodiment of the present invention.

Fig. 2 is an exploded view of a clutch switch for a vehicle according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view of a bobbin of a clutch switch for an automobile according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a movable contact piece and a guide frame of an automobile clutch switch according to an embodiment of the present invention.

Fig. 5 is a structural schematic diagram of a fixing seat and a mounting sleeve of an automobile clutch switch provided in an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-shell 11-threaded rod 12-nut

20 push rod 21 limiting part 30 moving contact piece

31-abutting plate 32-contact frame 33-elastic hook part

34-guide hole 40-return spring 50-fixed seat

51-spring mounting groove 52-limiting sliding groove 53-limiting groove

60-inserting piece 61-wire harness connecting piece 70-guide frame

71-guide shaft 72-limiting frame 73-first limiting protrusion

80-mounting sleeve 81-semicircular sleeve 82-wire body mounting jack

83-second limiting projection 90-harness assembly.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment provided by the present invention, as shown in fig. 1 to 4, there is provided an automobile clutch switch, including a housing 10, a push rod 20, a movable contact 30, a return spring 40, a holder 50 and an insert 60, a spring installation groove 51 is formed inside the fixing seat 50, the housing 10 is fixed on the fixing seat 50 and is positioned at one side of the spring installation groove 51, the return spring 40 is positioned in the spring mounting groove 51, the movable contact 30 includes a contact plate 31 and a contact holder 32, the abutting plate 31 abuts against the return spring 40, the contact frame 32 is fixed on the abutting plate 31, the end of the contact frame 32 is provided with an elastic hook 33, the push rod 20 passes through the housing 10 and extends to one side of the abutting plate 31, the upper end of the insert 60 is inserted into the fixing seat 50 and is located below the elastic hook portion 33.

Specifically, the automobile clutch switch comprises a shell 10, a push rod 20, a movable contact piece 30, a return spring 40, a fixed seat 50 and an insertion piece 60, wherein a spring installation groove 51 is arranged inside the fixed seat 50, the shell 10 is fixed on the fixed seat 50 and is positioned on one side of the spring installation groove 51, the return spring 40 is positioned in the spring installation groove 51, the movable contact piece 30 comprises a butting plate 31 and a contact frame 32, the butting plate 31 butts against the return spring 40, the contact frame 32 is fixed on the butting plate 31, when the clutch switch is arranged on a pedal assembly, the end parts of the contact frame 32 and the insertion piece 60 are in a contact state, when the clutch pedal is pressed, the push rod 20 is far away from the movable contact piece 30, the movable contact piece 30 moves upwards under the elastic force of the return spring 40 to be far away from the insertion piece 60, the disconnection of the clutch switch is realized, when the clutch is released, the push rod 20 is close to the movable contact piece 30, the end part of the insertion piece 60 is pushed by the push rod 20, realize clutch switch's closure, because the tip of contact frame 32 is provided with elasticity hook portion 33 for be frictional contact between inserted sheet 60 and the contact frame 32, can effectively alleviate the impact that produces when contact frame 32 and inserted sheet 60 contact, promote clutch switch's life, simultaneously, the accessible friction cleans the contact surface of hook portion and inserted sheet 60, guarantees hook portion and 60 effective connection of inserted sheet, promotes clutch switch's stability.

In this example, as shown in fig. 2-3, a limiting portion 21 is disposed at an end of the push rod 20 close to the movable contact 30.

In this case, as shown in fig. 1 to 3, a surface of the housing 10 is provided with a threaded rod 11, and the push rod 20 is slidably connected to an inner portion of the threaded rod 11. The clutch switch is arranged on the pedal assembly, the position of the clutch switch is adjusted through the nut 12, and the client is provided with another nut 12 for locking.

In another embodiment provided by the present invention, as shown in fig. 2 to 4, the contact frame 32 and the abutting plate 31 are obliquely disposed. Specifically, the contact frame 32 and the abutting plate 31 are inclined, so that the elasticity between the contact frame 32 and the abutting plate 31 can be increased, the impact force generated when the inserting sheet 60 contacts with the hook part can be further reduced, and the stability of the clutch switch is improved.

In another embodiment of the present invention, as shown in fig. 2 to 4, the clutch switch further includes a guide frame 70, the guide frame 70 is located between the abutting plate 31 and the push rod 20, a guide shaft 71 is disposed on a surface of the guide frame 70 close to the abutting plate 31, a guide hole 34 is disposed on a surface of the abutting plate 31, the abutting plate 31 is sleeved on a surface of the guide shaft 71 through the guide hole 34 and slidably connected with the guide shaft 71, and one end of the return spring 40 close to the movable contact 30 is sleeved on a surface of the guide shaft 71.

Specifically, when the push rod 20 moves downward, the guide frame 70 is pushed first, the movable contact piece 30 is pushed by the guide frame 70 to contact with the insertion piece 60, the guide shaft 71 limits and guides the abutting plate 31, the movable contact piece 30 is stabilized, and the stability of the clutch switch is improved.

In another embodiment of the present invention, as shown in fig. 2 and 4, the number of the inserting pieces 60 is two, the number of the contact frames 32 is four, four contact frames 32 are annularly and uniformly distributed on the peripheral side of the abutting plate 31, four limiting frames 72 are disposed on the guide frame 70, the limiting frames 72 are located on the peripheral side of the guide shaft 71, and four limiting frames 72 are located between the four contact frames 32. Specifically, through the arrangement of the four contact frames 32 and the two insertion pieces 60, no matter what angle the abutting plate 31 is inserted on the guide shaft 71, the two contact frames 32 are in butt joint with the insertion pieces 60, so that convenience can be provided for installation of the movable contact piece 30, and the four limit frames 72 can further limit the movable contact piece 30, thereby improving the stability of the clutch switch.

In another embodiment of the present invention, as shown in fig. 2 and 4, a first limiting protrusion 73 is disposed on the peripheral side of the guide frame 70, a limiting sliding groove 52 adapted to the first limiting protrusion 73 is disposed on the groove wall of the spring installation groove 51, and the first limiting protrusion 73 is located in the limiting sliding groove 52. Specifically, the arrangement of the first limit protrusion 73 and the limit sliding groove 52 can provide convenience for the guide frame 70 to slide along the inside of the fixing seat 50, and can improve the stability of the connection between the guide frame 70 and the fixing seat 50.

In another embodiment provided by the present invention, as shown in fig. 1-3 and 5, the clutch switch further includes a mounting sleeve 80, the mounting sleeve 80 is sleeved on the surface of the fixing seat 50 and is clamped with the fixing seat 50, the lower end of the insertion sheet 60 is located in the mounting sleeve 80, a wire body mounting insertion hole 82 is provided at the bottom of the mounting sleeve 80, a second limiting protrusion 83 is provided inside the mounting sleeve 80, a limiting groove 53 adapted to the second limiting protrusion 83 is provided on the surface of the fixing seat 50, and the second limiting protrusion 83 is located in the limiting groove 53. Specifically, the mounting sleeve 80 can protect the fixing seat 50 and the insertion sheet 60, and facilitates the installation of the wire body, and the mounting sleeve 80 can be effectively prevented from rotating by the cooperation between the second limiting protrusion 83 and the limiting groove 53.

In another embodiment of the present invention, as shown in fig. 2-3 and 5, the mounting sleeve 80 comprises two semicircular sleeves 81 with the same structure, one sides of the two semicircular sleeves 81 are hinged with each other, and the other sides of the two semicircular sleeves 81 are detachably connected. In particular, the removal and installation of the mounting sleeve 80 is facilitated by the provision of two mutually hinged semi-circular sleeves 81.

In another embodiment provided by the present invention, as shown in fig. 2 and 5, a wire harness connection piece 61 is disposed at a lower end of the insertion piece 60 and perpendicular to the insertion piece 60, and the clutch switch further includes a wire harness assembly 90, wherein the wire harness assembly 90 passes through the wire body installation insertion hole 82 and is fixedly connected to the wire harness connection piece 61. Specifically, the insert 60 is formed by injection molding in a die, the structure is simple to form, the end of the insert 60 is twisted by a tool to form a wiring harness connecting piece 61, and the wiring harness connecting piece 61 and the insert 60 are perpendicularly arranged to facilitate connection of the wiring harness assembly 90.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. An automobile clutch switch, characterized in that: including casing, push rod, movable contact spring, reset spring, fixing base and inserted sheet, the inside of fixing base is provided with spring mounting groove, the casing is fixed in on the fixing base and be located one side of spring mounting groove, reset spring is located in the spring mounting groove, the movable contact spring includes butt joint board and contact frame, the butt joint board with reset spring offsets, the contact frame is fixed in on the butt joint board, the tip of contact frame is provided with elasticity hook portion, the push rod passes the casing extends to one side of butt joint board, the upper end of inserted sheet is inserted and is located on the fixing base and be located elasticity hook portion's below.

2. The vehicle clutch switch according to claim 1, wherein: the contact frame and the butt plate are obliquely arranged.

3. The vehicle clutch switch according to claim 2, wherein: the clutch switch further comprises a guide frame, the guide frame is located between the abutting plate and the push rod, a guide shaft is arranged on one surface, close to the abutting plate, of the guide frame, a guide hole is formed in the surface of the abutting plate, the abutting plate is sleeved on the surface of the guide shaft through the guide hole and is in sliding connection with the guide shaft, and one end, close to the movable contact spring, of the reset spring is sleeved on the surface of the guide shaft.

4. A clutch switch for vehicles according to claim 3, characterized in that: the quantity of inserted sheet is two, the quantity of contact frame is four, four the annular equipartition of contact frame in week side of butt joint board.

5. The vehicle clutch switch according to claim 4, wherein: four limiting frames are arranged on the guide frame, the limiting frames are located on the peripheral sides of the guide shafts, and the four limiting frames are located between the four contact frames.

6. A clutch switch for vehicles according to claim 3, characterized in that: the side of the guide frame is provided with a first limiting protrusion, the groove wall of the spring mounting groove is provided with a limiting sliding groove matched with the first limiting protrusion, and the first limiting protrusion is located in the limiting sliding groove.

7. The clutch switch for a vehicle according to any one of claims 1 to 6, wherein: the clutch switch further comprises an installation sleeve, the installation sleeve is sleeved on the surface of the fixing seat and clamped with the fixing seat, the lower end of the insertion piece is located in the installation sleeve, and a line body installation insertion hole is formed in the bottom of the installation sleeve.

8. The vehicle clutch switch according to claim 7, wherein: the installation cover includes two semicircle covers that the structure is the same, two one side of semicircle cover is articulated each other, two the connection can be dismantled to the opposite side of semicircle cover.

9. The vehicle clutch switch according to claim 7, wherein: the lower extreme of inserted sheet be provided with the perpendicular pencil connection piece that sets up of inserted sheet, clutch switch still includes the pencil assembly, the pencil assembly pass the line body installation jack and with pencil connection piece fixed connection.

10. The vehicle clutch switch according to claim 7, wherein: the mounting sleeve is internally provided with a second limiting protrusion, the surface of the fixing seat is provided with a limiting groove matched with the second limiting protrusion, and the second limiting protrusion is located in the limiting groove.