CN210240484U

CN210240484U - Quick detachable gear

Info

Publication number: CN210240484U
Application number: CN201920820788.9U
Authority: CN
Inventors: Xinwei Zhou; 周新伟; Jimei Wang; 王纪美
Original assignee: Changzhou Aviation Gear Co Ltd
Current assignee: Changzhou Aviation Gear Co Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-04-03
Anticipated expiration: 2029-06-03

Abstract

The utility model relates to the technical field of gears, especially, relate to a quick detachable gear, the gear of solving existence among the prior art is overall structure, can not make up the concatenation and use, and the gear can not take off and lead to whole equipment all can't use, causes the waste, has increaseed consumption cost's shortcoming, including the overcoat tooth, the mounting hole has been seted up at the top of overcoat tooth, and movable mounting has the pinion rack in the mounting hole, and the fixed orifices has been seted up at the top of pinion rack, sets up four evenly distributed's fixed slot on the inner wall of mounting hole, and the welding has four evenly distributed's fixed strip on the outside lateral wall of pinion rack, fixed strip movable mounting all is equipped with stop device in four fixed slots in the fixed slot that corresponds, stop device and the fixed strip looks adaptation that corresponds. The utility model discloses rational in infrastructure, convenient to use, this gear are integrated configuration, can make up the concatenation and use, and convenient the dismantlement is changed, has saved cost of maintenance greatly.

Description

Quick detachable gear

Technical Field

The utility model relates to the technical field of gears, especially, relate to a quick detachable gear.

Background

A large number of gears are used in the existing speed change line for aerospace, robots or radars, after the gears are installed on a rotating shaft for use, if the service life is too long, the gears are excessively abraded, the gears and the rotating shaft are directly and tightly matched, even the gears and the rotating shaft are mutually rusted together, the gears are often difficult to take down from the rotating shaft, and sometimes parts connected with the rotating shaft can be normally used, and only the external gears need to be replaced;

however, the existing gears are of an integral structure and cannot be combined, spliced and used, the whole equipment cannot be used due to the fact that the gears cannot be taken down, waste is caused, and consumption cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the gear that exists among the prior art and being overall structure, can not make up the concatenation and use, the gear is taken off and is leaded to whole equipment all unable use, causes the waste, has increaseed consumption cost's shortcoming, and the quick detachable gear that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a quick detachable gear, includes the outer cover tooth, and the mounting hole has been seted up at the top of outer cover tooth, and movable mounting has the pinion rack in the mounting hole, and the fixed orifices has been seted up at the top of pinion rack, sets up four evenly distributed's fixed slot on the inner wall of mounting hole, and the welding has four evenly distributed's fixed strip on the outside lateral wall of pinion rack, and fixed strip movable mounting all is equipped with stop device, stop device and corresponding fixed strip looks adaptation in four fixed slots in the fixed slot that corresponds.

Preferably, stop device includes first rack and first gear, and the mounting groove has been seted up to one side of fixed strip, and first rack fixed mounting has seted up flutedly on the inner wall of fixed slot in the mounting groove, and the one end of connecting rod is installed to the recess internal rotation, and the other end welding of connecting rod is on first gear, first gear and first rack toothing, and the overcoat tooth drives first gear and removes, first gear revolve when first gear and first rack contact.

Preferably, stop device still includes movable plate, pressure spring, buffer bar and inserted block, the socket has been seted up to one side of fixed strip, the control flume has been seted up on the inner wall of fixed slot, movable plate slidable mounting has been in the control flume, the pressure spring groove has been seted up to one side of movable plate, the one end welding of pressure spring is on the inner wall in pressure spring groove, the other end welding of pressure spring is in the one end of buffer bar, buffer bar slidable mounting is in the pressure spring inslot, the other end welding of buffer bar is in one side of inserted block, inserted block movable mounting is in the socket, first gear drives first bevel gear, first bevel gear drives second bevel gear and rotates, second bevel gear drives second gear and rotates.

Preferably, stop device has still included first bevel gear, the second rack, the dwang, second gear and second bevel gear, the second rack welds in one side of movable plate, same rotation hole has been seted up on one side inner wall that control flume and recess are close to each other, the dwang rotates and installs in the rotation hole, the second gear rotates and installs in the control flume and mesh with the second rack, the bottom of dwang extends to in the control flume and welds at the top of second gear, the top of dwang extends to in the recess and welds in the bottom of second bevel gear, first bevel gear welds in one side of first gear, first bevel gear and second bevel gear mesh, the second gear drives the movable plate and moves, the movable plate drives the inserted block and takes turns first to contact with the fixed strip, the inserted block is pressed the buffer beam after being extruded.

Preferably, a sliding groove is formed in the inner wall of the bottom of the control groove, a sliding block is welded at the bottom of the moving plate, the sliding block is slidably mounted in the sliding groove, and the moving plate drives the sliding block to slide in the sliding groove when moving, so that the position of the moving plate when moving can be stabilized.

Preferably, the top of the outer sleeve gear is provided with a hidden groove, a flat screw is rotatably mounted in the hidden groove, the bottom end of the flat screw is welded to the top of the second bevel gear, and the flat screw is hidden in the hidden groove to ensure normal use of the gear.

The utility model has the advantages that:

(1) the utility model discloses owing to set up outer cover tooth, the pinion rack, the fixed slot, fixed strip and stop device, when needs take out outer cover tooth from the pinion rack, drive the flat screw with the screwdriver and rotate, the flat screw drives the rotation of second bevel gear, the movable plate drives the inserted block roll-off socket, can take off outer cover tooth, the fixed strip slides in the fixed slot passively, put new outer cover tooth on the pinion rack, make pinion rack movable mounting in the mounting hole, the fixed strip slides in the fixed slot passively, the outer cover tooth drives first gear and moves, the inserted block moves to the position of socket, because the elastic action of pressure spring drives the inserted block and slides in the socket, can be fixed new outer cover tooth and pinion rack mutually;

(2) the utility model discloses rational in infrastructure, convenient to use, this gear are integrated configuration, can make up the concatenation and use, and convenient the dismantlement is changed, has saved cost of maintenance greatly.

Drawings

Fig. 1 is a schematic front view of a gear easy to disassemble according to the present invention;

fig. 2 is a schematic side view of the quick detachable gear of the present invention;

fig. 3 is a schematic structural view of a portion a of an easily detachable gear according to the present invention;

fig. 4 is a schematic structural view of a portion B of an easily detachable gear according to the present invention;

fig. 5 is a schematic structural view of a portion C of an easily detachable gear according to the present invention;

fig. 6 is the utility model provides a structural schematic diagram of first gear, first bevel gear, dwang, second bevel gear and plain end bolt of quick detachable gear.

In the figure: the gear rack comprises 1 outer sleeve gear, 2 mounting holes, 3 toothed plates, 4 fixing holes, 5 fixing grooves, 6 fixing strips, 7 first racks, 8 grooves, 9 first gears, 10 first bevel gears, 11 control grooves, 12 moving plates, 13 rotating rods, 14 second gears, 15 second bevel gears, 16 insert blocks, 17 hidden grooves and 18 flat screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-6, an easily detachable gear comprises an outer sleeve gear 1, a mounting hole 2 is formed at the top of the outer sleeve gear 1, a toothed plate 3 is movably mounted in the mounting hole 2, a fixing hole 4 is formed at the top of the toothed plate 3, four fixing grooves 5 are uniformly distributed on the inner wall of the mounting hole 2, four fixing strips 6 are uniformly distributed on the outer side wall of the toothed plate 3, the fixing strips 6 are movably mounted in the corresponding fixing grooves 5, a limiting device is arranged in each of the four fixing grooves 5 and is matched with the corresponding fixing strip 6, due to the arrangement of the outer sleeve gear 1, the toothed plate 3, the fixing grooves 5, the fixing strips 6 and the limiting device, when the outer sleeve gear 1 needs to be taken out from the toothed plate 3, a screwdriver is used for driving a flat screw 18 to rotate, the flat screw 18 is used for driving a second bevel gear 15 to rotate, the second bevel gear 15 is used for driving a rotating rod 13 to rotate, and the rotating rod 13, the second gear 14 drives the moving plate 12 to move, the moving plate 12 drives the insert 16 to slide out of the socket, the outer sheath teeth 1 can be taken down, the fixed strip 6 passively slides in the fixed groove 5, a new outer sheath tooth 1 is placed on the toothed plate 3, the toothed plate 3 is movably installed in the installation hole 2, the fixed strip 6 passively slides in the fixed groove 5, the outer sheath teeth 1 drive the first gear 9 to move, the first gear 9 rotates when the first gear 9 contacts with the first rack 7, the first gear 9 drives the first bevel gear 10, the first bevel gear 10 drives the second bevel gear 15 to rotate, the second bevel gear 15 drives the second gear 14 to rotate, the second gear 14 drives the moving plate 12, the moving plate 12 drives the insert 16 to contact with the fixed strip 6 first, the insert 16 presses the buffer rod after being extruded, the buffer rod presses the pressure spring, the pressure spring generates elastic deformation, and after the outer sheath teeth 1 continuously move, the insert 16 moves to the position of the socket, and the insert 16 is driven to slide into the socket under the elastic action of the pressure spring, so that the new outer sleeve teeth 1 and the toothed plate 3 can be fixed mutually.

In the embodiment, the limiting device comprises a first rack 7 and a first gear 9, one side of a fixed strip 6 is provided with a mounting groove, the first rack 7 is fixedly mounted in the mounting groove, the inner wall of the fixed groove 5 is provided with a groove 8, one end of a connecting rod is rotatably mounted in the groove 8, the other end of the connecting rod is welded on the first gear 9, the first gear 9 is meshed with the first rack 7, the limiting device further comprises a movable plate 12, a pressure spring, a buffer rod and an insert block 16, one side of the fixed strip 6 is provided with a socket, the inner wall of the fixed groove 5 is provided with a control groove 11, the movable plate 12 is slidably mounted in the control groove 11, one side of the movable plate 12 is provided with a pressure spring groove, one end of the pressure spring is welded on the inner wall of the pressure spring groove, the other end of the pressure spring is welded at one end of the buffer rod, the insert block 16 is movably arranged in the socket, the limiting device further comprises a first bevel gear 10, a second rack, a rotating rod 13, a second gear 14 and a second bevel gear 15, the second rack is welded on one side of the moving plate 12, the inner wall of one side, close to the control groove 11 and the groove 8, of the control groove 11 is provided with a same rotating hole, the rotating rod 13 is rotatably arranged in the rotating hole, the second gear 14 is rotatably arranged in the control groove 11 and meshed with the second rack, the bottom end of the rotating rod 13 extends into the control groove 11 and is welded on the top of the second gear 14, the top end of the rotating rod 13 extends into the groove 8 and is welded on the bottom of the second bevel gear 15, the first bevel gear 10 is welded on one side of the first gear 9, the first bevel gear 10 is meshed with the second bevel gear 15, the inner wall of the bottom of the control groove 11 is provided with a sliding groove, the top of the outer sleeve gear 1 is provided with a hidden groove 17, a flat screw 18 is rotatably installed in the hidden groove 17, the bottom end of the flat screw 18 is welded on the top of the second bevel gear 15, due to the arrangement of the outer sleeve gear 1, the toothed plate 3, the fixed groove 5, the fixed strip 6 and the limiting device, when the outer sleeve gear 1 needs to be taken out from the toothed plate 3, the flat screw 18 is driven by a screwdriver to rotate, the flat screw 18 drives the second bevel gear 15 to rotate, the second bevel gear 15 drives the rotating rod 13 to rotate, the rotating rod 13 drives the second gear 14 to rotate, the second gear 14 drives the movable plate 12 to move, the movable plate 12 drives the insert block 16 to slide out of the socket, the outer sleeve gear 1 can be taken down, the fixed strip 6 passively slides in the fixed groove 5, a new outer sleeve gear 1 is placed on the toothed plate 3, the toothed plate 3 is movably installed in the installation hole 2, the fixed strip 6 passively slides in the fixed groove 5, the outer sleeve, when the first gear 9 is in contact with the first rack 7, the first gear 9 rotates, the first gear 9 drives a first bevel gear 10, the first bevel gear 10 drives a second bevel gear 15 to rotate, the second bevel gear 15 drives a second gear 14 to rotate, the second gear 14 drives a movable plate 12 to move, the movable plate 12 drives an insert 16 to contact with the fixed strip 6 first, the insert 16 presses a buffer rod after being extruded, the buffer rod presses a pressure spring, the pressure spring elastically deforms, after the outer sheath teeth 1 continue to move, the insert 16 moves to the position of the socket, and the insert 16 is driven to slide into the socket under the elastic action of the pressure spring, so that new outer sheath teeth 1 can be fixed with the toothed plate 3; the utility model discloses rational in infrastructure, convenient to use, this gear are integrated configuration, can make up the concatenation and use, and convenient the dismantlement is changed, has saved cost of maintenance greatly.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a quick detachable gear, including outer cover tooth (1), a serial communication port, mounting hole (2) have been seted up at the top of outer cover tooth (1), movable mounting has pinion rack (3) in mounting hole (2), fixed orifices (4) have been seted up at the top of pinion rack (3), fixed slot (5) of four evenly distributed have been seted up on the inner wall of mounting hole (2), the welding has fixed strip (6) of four evenly distributed on the outside lateral wall of pinion rack (3), fixed strip (6) movable mounting all is equipped with stop device in fixed slot (5) that correspond, stop device and corresponding fixed strip (6) looks adaptation.

2. The easy-to-detach gear according to claim 1, wherein the limiting device comprises a first rack (7) and a first gear (9), a mounting groove is formed in one side of the fixing strip (6), the first rack (7) is fixedly mounted in the mounting groove, a groove (8) is formed in the inner wall of the fixing groove (5), one end of a connecting rod is rotatably mounted in the groove (8), the other end of the connecting rod is welded to the first gear (9), and the first gear (9) is meshed with the first rack (7).

3. The quick detachable gear according to claim 1, wherein the limiting device further comprises a moving plate (12), a pressure spring, a buffer rod and an insert (16), a socket is formed in one side of the fixed strip (6), a control groove (11) is formed in the inner wall of the fixed groove (5), the moving plate (12) is slidably mounted in the control groove (11), a pressure spring groove is formed in one side of the moving plate (12), one end of the pressure spring is welded to the inner wall of the pressure spring groove, the other end of the pressure spring is welded to one end of the buffer rod, the buffer rod is slidably mounted in the pressure spring groove, the other end of the buffer rod is welded to one side of the insert (16), and the insert (16) is movably mounted in the socket.

4. The easy-to-detach gear according to claim 1, wherein the limiting device further comprises a first bevel gear (10), a second rack, a rotating rod (13), a second gear (14) and a second bevel gear (15), the second rack is welded on one side of the moving plate (12), the inner wall of one side, close to the groove (8), of the control groove (11) is provided with a same rotating hole, the rotating rod (13) is rotatably installed in the rotating hole, the second gear (14) is rotatably installed in the control groove (11) and meshed with the second rack, the bottom end of the rotating rod (13) extends into the control groove (11) and is welded on the top of the second gear (14), the top end of the rotating rod (13) extends into the groove (8) and is welded on the bottom of the second bevel gear (15), the first bevel gear (10) is welded on one side of the first gear (9), the first bevel gear (10) is meshed with the second bevel gear (15).

5. The easy-to-detach gear according to claim 3, wherein a sliding groove is formed in the inner wall of the bottom of the control groove (11), a sliding block is welded to the bottom of the moving plate (12), and the sliding block is slidably mounted in the sliding groove.

6. The easy-to-detach gear according to claim 1, characterized in that a hidden groove (17) is formed in the top of the outer sleeve gear (1), a flat screw (18) is rotatably mounted in the hidden groove (17), and the bottom end of the flat screw (18) is welded to the top of the second bevel gear (15).