CN219282387U

CN219282387U - Multi-gear change-over switch

Info

Publication number: CN219282387U
Application number: CN202320559684.3U
Authority: CN
Inventors: 叶帆; 方福强
Original assignee: Suns Electric Zhangzhou Co ltd
Current assignee: Suns Electric Zhangzhou Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-06-30
Anticipated expiration: 2033-03-21

Abstract

The utility model discloses a multi-gear change-over switch, which comprises a main body, a swing seat and a deflector rod, wherein the swing seat is movably arranged in an installation cavity of the main body in a transverse swinging way, a control end of the deflector rod penetrates into the main body to form vertical rotation connection with the swing seat, so that the tail end of the control end can vertically swing up and down relative to the main body, a gear shifting PCB (printed Circuit Board) is arranged on the main body, a plurality of groups of stationary contacts are arranged on the gear shifting PCB, a movable contact assembly corresponding to the gear shifting PCB is arranged on the swing seat, when the operation end of the deflector rod is controlled leftwards and rightwards, the deflector rod drives the swing seat to transversely swing left and right relative to the main body to drive the movable contact assembly to be matched with stationary contacts of different groups so as to realize gear change-over, a limit bulge is formed at the tail end of the control end, and a gear locking groove for being matched with the limit bulge to form gear self-locking is formed in the installation cavity. The multi-gear switch has a gear self-locking function, and can effectively avoid potential safety hazard problems caused by misoperation.

Description

Multi-gear change-over switch

Technical Field

The utility model relates to the technical field of switches, in particular to a multi-gear change-over switch.

Background

Chinese document CN216562881U (application date: 12/21/2021) discloses a gear switching mechanism of a gear switch, chinese document CN201985004U (application date: 11/30/2010) discloses a digital rotary shift switch for engineering machinery, and most of the gear switching mechanisms for engineering vehicles and the gear switching switches for engineering vehicles in the prior art generally do not have a gear self-locking function, and have a risk of misoperation during use, thus easily causing a potential safety hazard.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a multi-gear change-over switch which has a gear self-locking function and is convenient to operate, and the problem of potential safety hazards caused by misoperation can be effectively avoided.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the utility model provides a many keeps off position change over switch, which comprises a main body, swing seat and driving lever, be formed with an installation cavity in the main part, swing seat movable arrangement is in the installation cavity with lateral oscillation, driving lever one end forms the control end, the other end forms the operation end, the control end of driving lever penetrates in the main part and forms vertical rotation with the swing seat and be connected, so that the end of control end can vertically swing from top to bottom relative to the main part, install the PCB board of shifting in the main part, be equipped with a plurality of groups of stationary contact on the PCB board of shifting, be provided with the movable contact subassembly that corresponds the setting with the PCB board of shifting on the swing seat, when controlling the operation end of driving lever about, thereby drive the movable contact subassembly and the stationary contact cooperation of different groups realizes keeping off the position and switches through driving lever drive swing seat horizontal, be provided with an elasticity card protruding on the swing seat, be formed with a plurality of keeps off the position constant head in the installation cavity, position cooperation with corresponding fender position constant head tank through elasticity card protruding, and control end department is formed with a spacing arch in the installation cavity, be used for forming the spacing groove that the self-locking with the fender position of keeping off protruding.

Further, an elastic reset piece is arranged between the tail end of the control end of the deflector rod and the swinging seat.

Further, the elastic resetting piece is a pressure spring, one end of the pressure spring is abutted on the control end, and the other end of the pressure spring is abutted on the top position of the swinging seat, so that the control end has a movement trend of automatically vertically and downwards rotating relative to the swinging seat.

Further, the top of the installation cavity is provided with an opening, the gear shifting PCB is embedded and fixed in the step groove at the opening, and the opening is provided with a sealing cover.

Further, a wiring hole site is arranged on the sealing cover.

Further, a embedding hole is formed in the top of the swing seat, the movable contact point assembly comprises a movable contact and a contact elastic piece, the contact elastic piece is embedded in the embedding hole in the top of the swing seat, and the movable contact is embedded in the embedding hole and connected with the top end of the contact elastic piece.

Further, a vertical guide slot is formed in the embedded hole, a guide insertion plate is arranged on the moving contact, and the guide insertion plate is adaptively inserted into the vertical guide slot to guide and limit elastic up-down telescopic movement of the moving contact in the embedded hole.

Further, three gear positioning grooves are formed in the mounting cavity of the main body, and arc smooth transition connection is formed among the three gear positioning grooves.

Further, the gear locking groove is arranged corresponding to the gear positioning groove positioned at the middle position of the three gear positioning grooves.

The technical scheme has the following advantages or beneficial effects:

according to the multi-gear change-over switch, the left-right control deflector rod can control the swing seat to swing transversely and leftwards in the mounting cavity of the main body, so that the movable contact point assembly on the swing seat is driven to be matched with the corresponding static contact on the gear shifting PCB, gear change is realized, and stable gear positioning is realized by utilizing elastic positioning matching of the elastic clamping protrusion on the swing seat and the corresponding gear positioning groove, and due to the fact that the gear locking groove is arranged in the mounting cavity, the limiting protrusion is arranged at the tail end of the control end of the deflector rod, when the control end of the deflector rod moves to the position corresponding to the gear locking groove up and down, the limiting protrusion at the tail end of the control end can swing downwards and clamp into the gear locking groove to form limiting matching, so that the deflector rod can not drive the swing seat to swing leftwards and rightwards relative to the main body, the gear self-locking function is realized, the problem of potential safety hazards caused by misoperation in the use process is effectively prevented, and the operation safety of gear change is facilitated.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present utility model.

Fig. 2 is a cross-sectional view of the overall structure of an embodiment of the present utility model.

FIG. 3 is a schematic diagram showing an assembly structure of a swing base and a shift lever according to an embodiment of the present utility model.

FIG. 4 is a schematic view of another angular assembly of a swivel mount and a lever according to an embodiment of the utility model.

FIG. 5 is an exploded view of the assembly of the swing base and lever according to an embodiment of the present utility model.

Fig. 6 is an exploded view of the body and shift PCB assembly structure of an embodiment of the present utility model.

Fig. 7 is a schematic perspective view of a main body according to an embodiment of the present utility model.

Description of the reference numerals:

1. the device comprises a main body, 2, a swinging seat, 33 deflector rods, 4, a PCB (printed circuit board), 5, a movable contact point assembly, 6, an elastic reset piece, 11, a mounting cavity, 12, a gear positioning groove, 13, a gear locking groove, 14, a sealing cover, 21, an elastic clamping protrusion, 22, an embedded hole, 31, a control end, 32, an operation end, 41, a fixed contact point, 51, a movable contact, 52, a contact elastic piece, 141, a wiring hole site, 221, a vertical guide slot, 311, a limiting protrusion, 511 and a guide plugboard.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 7, an embodiment of the present utility model provides a multi-gear shift switch, which is suitable for an engineering vehicle, and includes a main body 1, a swing seat 2 and a driving lever 3, wherein an installation cavity 11 is formed in the main body 1, the swing seat 2 is movably arranged in the installation cavity 11 in a horizontal swinging manner, one end of the driving lever 3 forms a control end 31, the other end forms an operation end 32, the control end 31 of the driving lever 3 penetrates into the main body 1 to form a vertical rotation connection with the swing seat 2, so that the tail end of the control end 31 can vertically swing up and down relative to the main body 1, a gear shift PCB 4 is mounted on the main body 1, a plurality of groups of stationary contacts 41 are provided on the gear shift PCB 4, a movable contact point assembly 5 corresponding to the gear shift PCB 4 is provided on the swing seat 2, when the operation end 32 of the driving lever 3 is operated left and right, the swing seat 2 is driven to horizontally swing left and right relative to the main body 1 to drive the movable contact point assembly 5 to cooperate with the stationary contacts 41 of different groups, thereby realizing gear shift, an elastic gear shift 21 is provided on the swing seat 2, a plurality of gear shift cams 21 are provided in the installation cavity 12 are formed in the positioning grooves 311 and form a plurality of positioning grooves for positioning protrusions 311 corresponding to the positioning grooves 13. It can be understood that in this embodiment, the swing seat 2 can be controlled to swing laterally and laterally in the mounting cavity 11 of the main body 1 by controlling the shift lever 3, so that the movable contact point assembly 5 on the swing seat 2 is driven to be matched with the corresponding stationary contact 41 on the gear shifting PCB 4, so as to realize gear switching, and the elastic positioning matching of the elastic clamping protrusion 21 on the swing seat 2 and the corresponding gear positioning groove 12 is utilized to realize gear stable positioning, and the gear locking groove 13 is arranged in the mounting cavity 11, and the limiting protrusion 311 is arranged at the tail end of the control end 31 of the shift lever 3, so that when the control end 31 of the shift lever 3 moves to the position vertically corresponding to the gear locking groove 13, the limiting protrusion 311 at the tail end of the control end 31 can swing downwards and be clamped into the gear locking groove 13, so as to limit the left and right swinging of the shift lever 3 relative to the main body 1, so that the shift lever 3 cannot drive the swing seat 2 to swing laterally relative to the main body 1, thereby realize gear self-locking function, effectively preventing the potential safety hazard caused by misoperation in use and improving the safety operation.

Referring to fig. 2 and 6, in a preferred embodiment, an opening is formed at the top of the mounting cavity 11, the gear-shifting PCB 4 is embedded and fixed in a step groove at the opening, and a sealing cover 14 is disposed at the opening. In this embodiment, the sealing cap 14 is preferably provided with a wiring hole 141.

Referring to fig. 3 to 5, in a preferred embodiment, an embedded hole 22 is formed at the top of the swing seat 2, the movable contact assembly 5 includes a movable contact 51 and a contact elastic member 52, the contact elastic member 52 is embedded in the embedded hole 22 at the top of the swing seat 2, and the movable contact 51 is embedded in the embedded hole 22 and connected to the top end of the contact elastic member 52. In one preferred embodiment, preferably, the embedded hole 22 is provided with a vertical guiding slot 221, the moving contact 51 is provided with a guiding plugboard 511, and the guiding plugboard 511 is adapted to be inserted into the vertical guiding slot 221 to guide and limit the elastic up-and-down telescopic movement of the moving contact 51 in the embedded hole 22.

Referring to fig. 1 to 7, in a preferred embodiment, an elastic restoring member 6 is disposed between the end of the control end 31 of the lever 3 and the swing seat 2. In this embodiment, preferably, the elastic restoring member 6 is a compression spring, one end of the compression spring is abutted on the control end 31, and the other end of the compression spring is abutted on the top position of the swing seat 2, so that the control end 31 has a movement tendency of automatically vertically rotating downwards relative to the swing seat 2. In one preferred embodiment, three gear positioning grooves 12 are formed in the mounting cavity 11 of the main body 1, and the three gear positioning grooves 12 are in arc smooth transition connection. Preferably, the shift lock groove 13 is provided corresponding to the shift positioning groove 12 located at the intermediate position among the three shift positioning grooves 12. In this embodiment, the gear positioning grooves 12 at the middle position of the three gear positioning grooves 12 are defined to correspond to N gears (neutral gear), the gear positioning grooves 12 at two sides thereof correspond to F gears (forward gear) and R gears (backward gear), when the gear is used, if the current gear is N gears, when the gear needs to be shifted, the driving lever 3 needs to be pressed first to release the limit fit from the gear locking groove 13 by the limit protrusion 311 at the tail end of the control end 31, and then the driving lever 3 can be controlled to drive the swing seat 2 to swing left and right relative to the main body 1, so that the N gears are shifted to F gears or R gears, and the current gear is maintained by the positioning fit of the elastic clamping protrusion 21 on the swing seat 2 and the corresponding gear positioning groove 12.

The embodiments are merely illustrative of the technical solution of the present utility model, and not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and therefore all other embodiments obtained by those skilled in the art without making creative efforts are intended to fall within the protection scope of the present utility model.

Claims

1. A multi-gear change-over switch, characterized in that: comprises a main body (1), a swinging seat (2) and a deflector rod (3), wherein a mounting cavity (11) is formed in the main body (1), the swinging seat (2) can be movably arranged in the mounting cavity (11) in a transverse swinging way, one end of the deflector rod (3) forms a control end (31), the other end forms an operation end (32), the control end (31) of the deflector rod (3) penetrates into the main body (1) to form vertical rotary connection with the swinging seat (2), so that the tail end of the control end (31) can vertically swing up and down relative to the main body (1), a gear shifting PCB (4) is arranged on the main body (1), a plurality of groups of stationary contacts (41) are arranged on the gear shifting PCB (4), a movable contact point assembly (5) which is correspondingly arranged with the gear shifting PCB (4) is arranged on the swinging seat (2), when the operation end (32) of the deflector rod (3) is controlled left and right, the deflector rod (3) drives the swinging seat (2) to horizontally swing left and right relative to the main body (1) so as to drive the movable contact point assembly (5) to vertically swing up and down relative to the main body (1) to form a plurality of stationary contacts (21) which are matched with different gear blocks, a plurality of positioning slots (12) are arranged in the positioning slots (12) correspondingly, and a plurality of positioning slots (12) are formed in the positioning slots are correspondingly, and a limit bulge (311) is formed at the tail end of the control end (31), and a gear locking groove (13) used for being matched with the limit bulge (311) to form gear self-locking is formed in the mounting cavity (11).

2. The multi-gear selector switch of claim 1 wherein: an elastic reset piece (6) is arranged between the tail end of the control end (31) of the deflector rod (3) and the swinging seat (2).

3. The multi-gear selector switch of claim 2 wherein: the elastic resetting piece (6) is a pressure spring, one end of the pressure spring is abutted on the control end (31), and the other end of the pressure spring is abutted on the top position of the swinging seat (2), so that the control end (31) has a movement trend of automatically vertically and downwards rotating relative to the swinging seat (2).

4. The multi-gear selector switch of claim 1 wherein: an opening is formed in the top of the mounting cavity (11), the gear-shifting PCB (4) is embedded and fixed in a step groove at the opening, and a sealing cover (14) is arranged at the opening.

5. The multi-gear selector switch of claim 4 wherein: the sealing cover (14) is provided with a wiring hole site (141).

6. The multi-gear selector switch of claim 4 wherein: the top of the swing seat (2) is provided with a embedding hole (22), the movable contact point assembly (5) comprises a movable contact (51) and a contact elastic piece (52), the contact elastic piece (52) is embedded in the embedding hole (22) at the top of the swing seat (2), and the movable contact (51) is embedded in the embedding hole (22) and is connected with the top end of the contact elastic piece (52).

7. The multi-gear selector switch of claim 6 wherein: the embedded hole (22) is internally provided with a vertical guide slot (221), the movable contact (51) is provided with a guide plugboard (511), and the guide plugboard (511) is adaptively inserted into the vertical guide slot (221) to guide and limit the elastic up-and-down telescopic movement of the movable contact (51) in the embedded hole (22).

8. The multi-gear selector switch of any of claims 1-7 wherein: three gear positioning grooves (12) are formed in the mounting cavity (11) of the main body (1), and the three gear positioning grooves (12) are in arc smooth transition connection.

9. The multi-gear selector switch of claim 8 wherein: the gear locking groove (13) is arranged corresponding to the gear positioning groove (12) positioned at the middle position of the three gear positioning grooves (12).