CN219282388U - Multi-gear change-over switch for engineering machinery - Google Patents
Multi-gear change-over switch for engineering machinery Download PDFInfo
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- CN219282388U CN219282388U CN202320563887.XU CN202320563887U CN219282388U CN 219282388 U CN219282388 U CN 219282388U CN 202320563887 U CN202320563887 U CN 202320563887U CN 219282388 U CN219282388 U CN 219282388U
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- 230000003044 adaptive effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 5
- 230000008859 change Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- VAHKBZSAUKPEOV-UHFFFAOYSA-N 1,4-dichloro-2-(4-chlorophenyl)benzene Chemical compound C1=CC(Cl)=CC=C1C1=CC(Cl)=CC=C1Cl VAHKBZSAUKPEOV-UHFFFAOYSA-N 0.000 description 9
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Abstract
The utility model discloses a multi-gear change-over switch for engineering machinery, which comprises a gear change-over switch body for switching gears, wherein a deflector rod for controlling gear change is arranged on the gear change-over switch body, and a speed regulating switch assembly for regulating speed is arranged on the deflector rod. The speed regulating switch component is integrated on the deflector rod of the gear shifting switch, so that on one hand, the speed regulating switch component is beneficial to improving the convenience of gear shifting and speed regulating operation, and on the other hand, the speed regulating switch component is integrated on the deflector rod of the gear shifting switch, so that the limited arrangement space of parts in engineering machinery is beneficial to releasing.
Description
Technical Field
The utility model relates to the technical field of gear change-over switches, in particular to a multi-gear change-over switch for engineering machinery.
Background
The gear change-over switch in the prior art is a gear change-over switch gear change-over mechanism of a carrying switch disclosed in China document CN216562881U (application date: 2021, 12, 21) or a digital rotary gear change-over switch for engineering machinery disclosed in CN201985004U (application date: 2010, 11, 30) and has only a gear change-over function, lacks a speed adjusting structure, has a certain functional limitation in use, needs to independently set the speed adjusting structure for the engineering machinery to independently control the working speed of the engineering machinery, and independently set the speed adjusting structure on the engineering machinery, so that the limited part arrangement space on the engineering machinery is further reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a multi-gear change-over switch for engineering machinery, which integrates a speed regulating switch component on a deflector rod of the gear change-over switch, so that on one hand, the convenience of gear shifting and speed regulating operation is improved, and on the other hand, the speed regulating switch component is integrated on the deflector rod of the gear change-over switch, so that the limited arrangement space of parts in the engineering machinery is released.
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 change over switch that engineering machine tool used, includes the fender position change over switch body that the gear was used of cutting to shift, has the driving lever that is used for controlling the fender position to switch on the fender position change over switch body, is provided with the speed governing switch subassembly that is used for regulating speed on the driving lever.
Further, the speed regulation switch assembly comprises a speed regulation PCB, a movable contact assembly, a positioning seat and a speed regulation rotating piece, wherein two ends of the deflector rod respectively form a control end extending into the gear switching switch body and an operation end exposed out of the gear switching switch body, the positioning seat is fixedly connected to the tail end of the operation end of the deflector rod, the speed regulation PCB is fixedly connected to the positioning seat, a plurality of groups of speed regulation stationary contacts are arranged on the speed regulation PCB, the speed regulation rotating piece is rotationally connected to the deflector rod, the movable contact assembly is fixedly connected to the speed regulation rotating piece and is correspondingly arranged with the speed regulation PCB on the positioning seat, and when the speed regulation rotating piece is rotated, the movable contact assembly is driven to be matched with the speed regulation stationary contacts of different groups on the speed regulation PCB, so that speed regulation is realized, and a positioning structure is arranged between the positioning seat and the speed regulation rotating piece.
Further, the positioning structure comprises an elastic positioning piece and a plurality of positioning holes which are used in an inter-fit mode with the elastic positioning piece.
Further, the elastic locating piece comprises a pressure spring embedded on the speed regulating rotating piece and balls connected to the tail end of the pressure spring, and each locating hole is formed in the locating seat and is annularly distributed, so that when the speed regulating rotating piece rotates, the balls synchronously moving with the speed regulating rotating piece can be elastically clamped into the corresponding locating holes on the locating seat in an adaptive manner, and the speed regulating rotating piece is locked relative to the rotating angle of the locating seat.
Further, the speed regulation rotating piece comprises a rotating seat movably sleeved on the deflector rod and a handle sleeve fixedly connected with the rotating seat, and the movable contact point assembly is embedded and fixed in the handle sleeve and is correspondingly arranged with the speed regulation PCB.
Further, the movable contact assembly comprises a contact base, a movable contact and a contact elastic piece, wherein the contact base is provided with an embedded hole, the contact elastic piece is embedded in the embedded hole of the contact base, and the movable contact is embedded in the embedded hole and is 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.
The technical scheme has the following advantages or beneficial effects:
in the multi-gear change-over switch for the engineering machinery, the speed regulating switch component is integrated on the deflector rod of the gear change-over switch body, so that on one hand, the speed regulating switch component and the gear change-over switch body are close to each other, and on the other hand, hands of an operator do not need to move remotely to switch back and forth in the gear shifting operation and the speed regulating operation process, thereby being beneficial to improving the convenience of gear shifting and speed regulating operation, and on the other hand, the speed regulating switch component is integrated on the deflector rod of the gear change-over switch body, thereby being beneficial to releasing the limited spare part arrangement space in the engineering machinery, and being convenient for reasonably arranging other spare parts of the engineering machinery.
Drawings
Fig. 1 is a schematic perspective view of a multi-gear selector switch according to an embodiment of the present utility model.
Fig. 2 is a structural sectional view of a multi-gear selector switch of the embodiment of the present utility model.
Fig. 3 is a partially exploded view of a multi-gear selector switch according to an embodiment of the present utility model.
FIG. 4 is another partially exploded view of the multi-position switch according to an embodiment of the present utility model.
Fig. 5 is an exploded perspective view of a movable contact assembly according to an embodiment of the present utility model.
Description of the reference numerals:
1. gear change-over switch body, 2, deflector rod, 3, speed governing switch subassembly, 4, location structure, 21, the control end, 22, the operation end, 3, speed governing PCB board, 32, movable contact subassembly, 33, the positioning seat, 34, speed governing rotating member, 41, elastic positioning member, 42, locating hole, 311, speed governing stationary contact, 321, contact base, 322, movable contact, 323, contact elastic member, 341, rotating seat, 342, handle sleeve, 411, pressure spring, 412, ball, 3211, embedded hole, 3212, vertical direction slot, 3221, direction picture peg.
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, an embodiment of the present utility model provides a multi-gear selector switch for an engineering machine, which includes a gear selector switch body 1 for switching gears, wherein the gear selector switch body 1 is provided with a shift lever 2 for controlling gear switching, and a speed regulating switch assembly 3 for regulating speed is disposed on the shift lever 2. It can be appreciated that in this embodiment, by integrating the speed regulating switch assembly 3 on the deflector rod 2 of the gear change switch body 1, on one hand, the speed regulating switch assembly 3 and the gear change switch body 1 are close to each other, and the hands of the operator do not need to move remotely and switch back and forth in the process of gear shifting operation and speed regulating operation, so that the convenience of gear shifting and speed regulating operation is improved, and on the other hand, integrating the speed regulating switch assembly 3 on the deflector rod 2 of the gear change switch body 1 is beneficial to releasing the limited arrangement space of parts in the engineering machinery, so that other parts of the engineering machinery are reasonably arranged.
Referring to fig. 1 to 5, in a preferred embodiment, the speed adjusting switch assembly 3 includes a speed adjusting PCB 31, a movable contact assembly 32, a positioning seat 33 and a speed adjusting rotating member 34, wherein two ends of the driving lever 2 respectively form a control end 21 extending into the gear shifting switch body 1 and an operation end 22 exposed out of the gear shifting switch body 1, the positioning seat 33 is fixedly connected at the end of the operation end 22 of the driving lever 2, the speed adjusting PCB 31 is fixedly connected to the positioning seat 33, a plurality of groups of speed adjusting fixed contacts 311 are arranged on the speed adjusting PCB 31, the speed adjusting rotating member 34 is rotatably connected to the driving lever 2, the movable contact assembly 32 is fixedly connected to the speed adjusting rotating member 34 and is correspondingly arranged with the speed adjusting PCB 31 on the positioning seat 33, when the speed adjusting rotating member 34 is rotated, the movable contact assembly 32 is driven to be matched with the speed adjusting fixed contacts 311 of different groups on the speed adjusting PCB 31, and a positioning structure 4 is arranged between the positioning seat 33 and the speed adjusting rotating member 34. The rotation angle of the speed regulating rotating member 34 relative to the positioning seat 33 can be locked through the positioning structure 4, so that the current speed gear is kept stable.
Referring to fig. 2 and 4, in a preferred embodiment, the positioning structure 4 includes an elastic positioning member 41 and a plurality of positioning holes 42 used in cooperation with the elastic positioning member 41. In a preferred embodiment, the elastic positioning member 41 preferably includes a compression spring 411 embedded on the speed-adjusting rotating member 34 and balls 412 connected to the end of the compression spring 411, and each positioning hole 42 is formed on the positioning seat 33 and is annularly arranged, so that when the speed-adjusting rotating member 34 rotates, the balls 412 moving synchronously with the speed-adjusting rotating member 34 can be elastically clamped into the corresponding positioning holes 42 on the positioning seat 33 in an adapting manner, so as to lock the rotation angle of the speed-adjusting rotating member 34 relative to the positioning seat 33.
Referring to fig. 1 to 4, in a preferred embodiment, the speed adjusting rotary member 34 includes a rotary seat 341 movably sleeved on the shift lever 2 and a handle sleeve 342 fixedly connected to the rotary seat 341, and the movable contact assembly 32 is embedded and fixed in the handle sleeve 342 and is disposed along the axial direction of the shift lever 2 corresponding to the speed adjusting PCB 31. In one preferred embodiment, the movable contact assembly 32 preferably includes a contact base 321, a movable contact 322 and a contact elastic member 323, wherein the contact base 321 is provided with a mounting hole 3211, the contact elastic member 323 is mounted in the mounting hole 3211 of the contact base 321, and the movable contact 322 is mounted in the mounting hole 3211 and connected to the top end of the contact elastic member 323. It can be appreciated that in this embodiment, after the handle sleeve 342 of the speed adjusting rotary member 34 is fixedly connected to the rotary base 341, the handle sleeve 342 can cover the positioning base 33 and the speed adjusting PCB 31 fixedly connected to the positioning base 33, and when the speed adjusting rotary member 34 is rotated, since the positioning base 33 is fixedly connected to the operating end 22 of the driving lever 2, it remains fixed, and only the movable contact assembly 32 rotates synchronously with the speed adjusting rotary member 34, so that the movable contact assembly 32 rotates to cooperate with the different sets of speed adjusting fixed contacts 311 on the speed adjusting PCB 31 to realize the speed adjusting function.
Referring to fig. 2 and fig. 5, in a preferred embodiment, a vertical guiding slot 3212 is formed in the embedded hole 3211, a guiding insertion plate 3221 is disposed on the moving contact 322, and the guiding insertion plate 3221 is adapted to be inserted into the vertical guiding slot 3212 to guide and limit the elastic up-down telescopic movement of the moving contact 322 in the embedded hole 3211. By the design, the moving contact 322 can keep stable matching with the corresponding speed regulation fixed contact 311 on the speed regulation PCB 31 after speed regulation is completed.
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 (6)
1. A multi-gear change-over switch for engineering machinery is characterized in that: the gear shifting device comprises a gear shifting switch body (1) for shifting gears, wherein a deflector rod (2) for controlling gear shifting is arranged on the gear shifting switch body (1), and a speed regulating switch assembly (3) for regulating speed is arranged on the deflector rod (2); the speed regulation switch assembly (3) comprises a speed regulation PCB (31), a movable contact assembly (32), a positioning seat (33) and a speed regulation rotating piece (34), wherein two ends of the deflector rod (2) are respectively provided with a control end (21) extending into the gear change-over switch body (1) and an operation end (22) exposed out of the gear change-over switch body (1), the positioning seat (33) is fixedly connected to the tail end of the operation end (22) of the deflector rod (2), the speed regulation PCB (31) is fixedly connected to the positioning seat (33), a plurality of groups of speed regulation fixed contacts (311) are arranged on the speed regulation PCB (31), the speed regulation rotating piece (34) is rotationally connected to the deflector rod (2), the movable contact assembly (32) is fixedly connected to the speed regulation rotating piece (34) and is correspondingly arranged with the speed regulation PCB (31) on the positioning seat (33), and when the speed regulation rotating piece (34) is rotated, the speed regulation rotating piece (34) drives the movable contact assembly (32) and the speed regulation fixed contacts (311) of different groups on the speed regulation PCB (31) to be matched with each other, so that the speed regulation fixed contacts (311) are arranged between the speed regulation rotating piece (33) and the speed regulation rotating piece (4).
2. The multi-gear selector switch for construction machinery according to claim 1, wherein: the positioning structure (4) comprises an elastic positioning piece (41) and a plurality of positioning holes (42) which are used in an inter-fit way with the elastic positioning piece (41).
3. The multi-gear selector switch for construction machinery according to claim 2, wherein: the elastic positioning piece (41) comprises a pressure spring (411) embedded on the speed regulating rotating piece (34) and balls (412) connected to the tail end of the pressure spring (411), and each positioning hole (42) is formed in the positioning seat (33) and is annularly distributed, so that when the speed regulating rotating piece (34) is rotated, the balls (412) synchronously moving with the speed regulating rotating piece (34) can be elastically clamped into the corresponding positioning holes (42) on the positioning seat (33) in an adaptive manner, so that the rotation angle of the speed regulating rotating piece (34) relative to the positioning seat (33) is locked.
4. The multi-gear selector switch for construction machinery according to claim 1, wherein: the speed regulation rotating piece (34) comprises a rotating seat (341) movably sleeved on the deflector rod (2) and a handle sleeve (342) fixedly connected with the rotating seat (341), and the movable contact point assembly (32) is embedded and fixed in the handle sleeve (342) and is correspondingly arranged with the speed regulation PCB (31).
5. A multi-gear selector switch for use in a construction machine according to any one of claims 1 to 4, wherein: the movable contact assembly (32) comprises a contact base (321), a movable contact (322) and a contact elastic piece (323), wherein an embedded hole (3211) is formed in the contact base (321), the contact elastic piece (323) is embedded in the embedded hole (3211) of the contact base (321), and the movable contact (322) is embedded in the embedded hole (3211) and is connected with the top end of the contact elastic piece (323).
6. The multi-gear selector switch for construction machinery according to claim 5, wherein: vertical guide slots (3212) are formed in the embedded holes (3211), guide insertion plates (3221) are arranged on the moving contacts (322), and the guide insertion plates (3221) are adaptively inserted into the vertical guide slots (3212) to guide and limit elastic up-down telescopic movement of the moving contacts (322) in the embedded holes (3211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320563887.XU CN219282388U (en) | 2023-03-21 | 2023-03-21 | Multi-gear change-over switch for engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320563887.XU CN219282388U (en) | 2023-03-21 | 2023-03-21 | Multi-gear change-over switch for engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219282388U true CN219282388U (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320563887.XU Active CN219282388U (en) | 2023-03-21 | 2023-03-21 | Multi-gear change-over switch for engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219282388U (en) |
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2023
- 2023-03-21 CN CN202320563887.XU patent/CN219282388U/en active Active
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