Duplicate gear convenient to replace

Abstract

The utility model discloses a duplicate gear convenient to replace, and belongs to the technical field of duplicate gears, the duplicate gear comprises a duplicate gear and a mounting shaft, a plurality of placing grooves are formed in the position of a center ring of the duplicate gear, a second movable abutting block is mounted on the placing grooves, and fixing side plates are arranged at the two ends of the second movable abutting block. A second movable abutting block is arranged in the middle of each second movable abutting block, guide sliding grooves are formed in the middles of the two sides of each second movable abutting block, two first pushing protruding blocks are symmetrically arranged on each guide sliding groove, a plurality of first movable abutting blocks are evenly embedded in a center ring of the duplicate gear, and two piston channels are symmetrically formed in the positions, in the containing groove and the movable abutting blocks, of the duplicate gear. A second pushing protruding block is arranged at the position, located at one end of the containing groove, of the piston channel, and two sets of connecting bolts are installed on the fixing side plate. Through cooperative use of the first movable abutting block, the second movable abutting block and other components, during assembly and disassembly, the stress between the duplicate gear and the installation shaft is reduced, and assembly and disassembly are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to duplex gear technology field, concretely is duplex gear convenient to replace. BACKGROUND

[0002] Duplex gear is the transmission device that two gears are composed, one gear is driven through driving shaft, and the other gear is connected with driving shaft through driven shaft and is engaged with driving gear. The key feature of duplex gear is that two meshing gears are gears with equal number of teeth, angular velocity ratio is equal, and modulus and gear width of two gears are same. Duplex gear generally adopts straight tooth or helical gear, and modulus thereof is determined according to proportionality coefficient and number of teeth of meshing gear. In actual application, duplex gear generally has high load capacity and low noise, and is widely applied in various mechanical equipment such as motor, transmission mechanism, textile machinery and metallurgical machinery.

[0003] However, the duplex gear convenient to replace has the following problems in the process of using: because duplex gear and mounting shaft body are generally fixed by hard connection, when assembling and disassembling, it needs to consume large time and manpower to disassemble, so that assembling and disassembling work is very inconvenient. Therefore, it is necessary to design corresponding technical scheme to solve the technical problems. UTILITY MODEL CONTENT

[0004] The utility model discloses duplex gear convenient to replace, solved the duplex gear and mounting shaft body between general hard connection fixed, when assembling and disassembling, the technical problem that needs to consume large time and manpower to disassemble leads to assembling and disassembling work very inconvenient, satisfy actual use demand.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: including duplex gear and mounting shaft, the central circle position of duplex gear is provided with a plurality of placing grooves, the movable resisting piece no. 2 is installed on the placing groove, the both ends of movable resisting piece no. 2 are provided with fixed side plate, the both sides of movable resisting piece no. 2 are provided with guide sliding slot, two push convex blocks no. 1 are symmetrically provided on the guide sliding slot, a plurality of movable resisting piece no. 1 are evenly inlaid on the central circle of duplex gear, two piston channels are symmetrically provided in the inside position of placing groove and movable resisting piece of duplex gear, push convex block no. 2 is provided on the one end position of piston channel, two groups of connecting bolts are installed on fixed side plate.

[0006] As a preferred embodiment of the utility model, the duplex gear is installed on the mounting shaft, and the extension groove fitted with the fixed side plate is arranged at the both ends of the placing groove.

[0007] As an optimal implementation form of the utility model, the movable resisting block two is in a whole circular arc bending structure, the structure of the movable resisting block two is same with the placing groove, the fixed side plate is embedded on the extension groove as a whole, and two screw grooves are arranged on the extension groove.

[0008] As an optimal implementation form of the utility model, the guiding sliding groove is in a circular arc structure, the pushing protrusion one is in a whole hemispherical structure, the position of the pushing protrusion one is opposite to the pushing protrusion two, and the connecting bolt is in threaded connection with the screw groove and the movable resisting block two.

[0009] As an optimal implementation form of the utility model, the movable resisting block one is in movable connection with the double gear, the two ends of the piston channel are in communication with the placing groove and the movable resisting block one, one end of the pushing protrusion two is in a hemispherical structure, the other end is in a cylindrical structure, and the pushing protrusion two is in movable connection with the piston channel.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] Through the cooperation of the movable resisting block one and the movable resisting block two, the double gear can be conveniently disassembled, when disassembling, the movable resisting block two is taken out from the placing groove, the pushing force of the pushing protrusion two is lost, the movable resisting block one is loosened, no pressure is applied to the mounting shaft, the mounting force between the double gear and the mounting shaft is reduced, the disassembly work is facilitated, the convenience of disassembly is improved, and the problem that the mounting and dismounting work is very inconvenient is solved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the whole schematic view of the utility model;

[0013] Figure 2 It is the double gear structure view of the utility model;

[0014] Figure 3 It is the movable resisting block one structure view of the utility model;

[0015] Figure 4 It is the movable resisting block two structure view of the utility model.

[0016] In the drawing: fixed side plate-1, mounting shaft-2, double gear-3, movable resisting block one-4, pushing protrusion two-5, placing groove-6, screw groove-7, piston channel-8, connecting bolt-9, pushing protrusion one-10, guiding sliding groove-11, movable resisting block two-12. DETAILED DESCRIPTION

[0017] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0018] Please refer to Figures 1-4 The present application provides a technical scheme: a double gear convenient to replace, comprising: a double gear 3 and a mounting shaft 2, a plurality of placing grooves 6 are arranged on the center ring position of the double gear 3, a movable resisting block two 12 is arranged on the placing groove 6, a fixed side plate 1 is arranged on both ends of the movable resisting block two 12, a guide sliding groove 11 is arranged in the middle of the two sides of the movable resisting block two 12, two pushing protrusions one 10 are symmetrically arranged on the guide sliding groove 11, a plurality of movable resisting blocks one 4 are uniformly embedded on the center ring of the double gear 3, two piston channels 8 are symmetrically arranged inside the double gear 3 at the internal positions of the placing groove 6 and the movable resisting block one 4, a pushing protrusion two 5 is arranged on one end of the piston channel 8, and two groups of connecting bolts 9 are arranged on the fixed side plate 1.

[0019] Further improvement, the double gear 3 is mounted on the mounting shaft 2, and the two ends of the placing groove 6 are provided with extension grooves mounted in cooperation with the fixed side plate 1.

[0020] Further improvement, the movable resisting block two 12 is in a whole circular arc curved structure, the structure of the movable resisting block two 12 is the same as that of the placing groove 6, the fixed side plate 1 is embedded into the extension groove as a whole, and the extension groove is provided with two thread grooves 7.

[0021] Further improvement, the guide sliding groove 11 is in a circular arc structure, the pushing protrusion one 10 is in a whole hemispherical structure, the position of the pushing protrusion one 10 is opposite to that of the pushing protrusion two 5, and the connecting bolts 9 are in threaded connection with the thread grooves 7 and the movable resisting block two 12.

[0022] Further improvement, the movable resisting block one 4 is in movable connection with the double gear 3, the two ends of the piston channel 8 are in communication with the placing groove 6 and the movable resisting block one 4, one end of the pushing protrusion two 5 is in a hemispherical structure, the other end is in a cylindrical structure, and the pushing protrusion two 5 is in movable connection with the piston channel 8.

[0023] In use: the utility model installs, first install double gear 3 on the mounting shaft 2, at this time, movable abutment piece one 4 and movable abutment piece two 12 are not connected between mounting shaft 2 contact, further make the contact area between the center circle position of double gear 3 and mounting shaft 2 reduce, installation force reduces, it is convenient to move on mounting shaft 2, when moving to position, place movable abutment piece two 12 on the placing groove 6, synchronously, push the protruding block one 10 gradually with push protruding block two 5 contact, when movable abutment piece two 12 moves to position, push protruding block one 10 and push protruding block two 5 are in the same position, push protruding block one 10 push push protruding block two 5 and move, further extrude piston passage 8, further push movable abutment piece one 4 and move, realize movable abutment piece one 4 to mounting shaft 2 and exert pressure, complete the fixing of double gear 3, and install with.

[0024] The utility model discloses a fixed side plate -1, mounting shaft -2, double gear -3, movable abutment piece one -4, push protruding block two -5, placing groove -6, thread groove -7, piston passage -8, connecting bolt -9, push protruding block one -10, guide sliding slot -11, movable abutment piece two -12, the component is all general standard parts or the component known to the person skilled in the art, and its structure and principle are all known to the person skilled in the art through technical manual or known through conventional experimental method, the utility model solves the technical problem that the double gear and mounting shaft body are generally fixed by hard connection, and when loading and unloading, it is very inconvenient to load and unload to lead to the dismounting of the large time and manpower, the movable abutment piece one and movable abutment piece two etc. of the utility model can reduce the contact area of the double gear center circle and mounting shaft when loading and unloading, movable abutment piece two is first taken out from the placing groove, further loses the pushing force of push protruding block two, that is, movable abutment piece one loosens, does not exert pressure on mounting shaft, further realizes the reduction of the installation force between double gear and mounting shaft, facilitates the dismounting work, and improves the convenience of dismounting.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model, for the person skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0026] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. A double gear that is easy to replace, characterized by: The invention comprises a double gear (3) and a mounting shaft (2), wherein a plurality of placement grooves (6) are provided on the center ring position of the double gear (3), a movable stop block 2 (12) is installed on the placement groove (6), fixed side plates (1) are provided on both ends of the movable stop block 2 (12), a guide groove (11) is provided in the middle of both sides of the movable stop block 2 (12), two push protrusions 1 (10) are symmetrically provided on the guide groove (11), a plurality of movable stop blocks 1 (4) are uniformly embedded on the center ring of the double gear (3), the double gear (3) is symmetrically provided with two piston channels (8) at the internal position of the placement groove (6) and the movable stop block 1 (4), the piston channel (8) is provided with a push protrusion 2 (5) at one end position of the placement groove (6), and two sets of connecting bolts (9) are installed on the fixed side plate (1).

2. The easily replaceable double gear according to claim 1, characterized in that: The double gear (3) is mounted on the mounting shaft (2), and both ends of the placement groove (6) are provided with extension grooves for matching the mounting of the fixed side plate (1).

3. The easily replaceable double gear according to claim 2, characterized in that: The movable stop block 2 (12) is in an arc-shaped structure as a whole. The structure of the movable stop block 2 (12) is the same as that of the placement groove (6). The fixed side plate (1) is embedded in the extension groove as a whole. The extension groove is provided with two thread grooves (7).

4. The easily replaceable double gear according to claim 3, characterized in that: The guide groove (11) is in an arc-shaped structure, the pushing protrusion 1 (10) is in a hemispherical structure as a whole, the position of the pushing protrusion 1 (10) is opposite to the pushing protrusion 2 (5), and the connecting bolt (9) is threadedly connected to the thread groove (7) and the movable stop block 2 (12).

5. The easily replaceable double gear according to claim 1, characterized in that: The movable stop block 1 (4) is movably connected to the double gear (3), both ends of the piston channel (8) are connected to the placement groove (6) and the movable stop block 1 (4), one end of the pushing protrusion 2 (5) is a hemispherical structure and the other end is a cylindrical structure, and the pushing protrusion 2 (5) is movably connected to the piston channel (8).

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