CN213654937U

CN213654937U - Noise reduction type driven cam for motorcycle

Info

Publication number: CN213654937U
Application number: CN202022666828.4U
Authority: CN
Inventors: 侯庆华; 陈硕彦; 俄广栋
Original assignee: Jinan Hongzheng Science & Technology Co ltd
Current assignee: Jinan Hongzheng Science & Technology Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-07-09
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a type of making an uproar driven cam falls for motorcycle, including camshaft, fluted disc, cam, stop gear, nut, lead screw, connecting rod, ejector pad, bayonet lock, push rod, reset spring, lug, compression spring and lubricated mechanism. The utility model has the advantages that: through the spacer pin with the fluted disc be connected with the other end block of camshaft, with the one end lateral wall block of two cams and camshaft, after the position is confirmed, rotate through spanner drive nut, make the lead screw rotate, and make two ejector pads of lead screw drive slide, two ejector pads can conflict a plurality of lugs and break away from rising under reset spring's the effect, it conflicts to the bayonet catch to drive the push rod, make the bayonet catch closely conflict with the inside wall of cam, make the inseparable difficult not hard up of cam block, when the reverse rotation lead screw, make ejector pad and lug reset, conveniently make the subsequent dismantlement of cam change, under lubricating mechanism's effect, make the inside lug of camshaft slide smoothly with the ejector pad, better follow-up regulation and control of convenience.

Description

Noise reduction type driven cam for motorcycle

Technical Field

The utility model relates to a driven cam specifically is a type of making an uproar driven cam falls for motorcycle belongs to cam technical field.

Background

Cam means a mechanical rotary or sliding member which transmits motion to a roller moving against its edge or a needle bar moving freely on a grooved surface, or which receives force from such a roller and needle bar, a cam follower can be designed to satisfy almost any input-output relationship within its range of motion-for some applications, a cam and linkage can serve the same purpose, a cam being easier to design than a linkage for both works, and a cam also doing something many linkages cannot, and on the other hand a cam is easier to manufacture than a linkage.

At the cam of making an uproar that falls of motorcycle engine internally mounted, can fine carry out the transmission and fall the anti-interference effect of making an uproar, however, connect the installation through spacer pin or block between traditional cam and the camshaft, so, it is not hard up to have long easily made between cam and the camshaft in the high-speed rotation of engine to make the transmission effect poor, cause the damage of engine easily when serious.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a type of making an uproar driven cam falls for solving above-mentioned problem just, can carry out spacing block between cam and the camshaft, make things convenient for subsequent dismantlement and installation, prolong the life of engine and cam.

The utility model discloses a technical scheme realizes above-mentioned mesh through following, a noise reduction type driven cam for motorcycle, including the camshaft with install in the fluted disc of one end of camshaft, fluted disc center department with one end block of camshaft, the other end lateral wall of camshaft has two cams of block respectively; the two cams are respectively clamped with the outer side wall of the cam shaft through a limiting mechanism, the limiting mechanism comprises a nut, a screw rod, a connecting rod, a push block, clamping pins, a push rod, a reset spring, a convex block and a compression spring, the two groups of clamping pins which are symmetrically distributed are respectively installed inside the cam shaft in an annular sliding mode, and one end of each of the clamping pins penetrates through the cam shaft and is abutted against the inner side wall of each of the two cams; the push rods are arranged at the centers of the other ends of the clamping pins, the reset springs are arranged on the outer side walls of the push rods in a sliding mode, and the convex blocks are arranged at the bottoms of the push rods; the bottom of the push rod extends to the inner side of the top of the bump, the compression spring is mounted at the bottom of the push rod, and the push rod is in sliding connection with the inner side of the top of the bump through the compression spring; the plurality of lugs are connected with the inside of the camshaft in a sliding mode through the push rod, the bottoms of the lugs are of semicircular structures, and the bottoms of the lugs penetrate through the camshaft and extend to the inside of the camshaft respectively; the two push blocks are slidably mounted inside the camshaft, one end of each push block is of an arc-shaped structure, and the bottoms of the lugs are respectively abutted against the side wall of one end of each push block; the two push blocks are connected through the connecting rod, one end of the screw rod penetrates through the cam shaft and is in threaded connection with the inner side of one of the push blocks, and the other end of the screw rod is rotatably connected with the inner part of the cam shaft; one end of the nut is connected with the other end of the screw rod, the nut is connected with the inner portion of the side wall of the other end of the camshaft in a rotating mode through the screw rod, and a lubricating mechanism is installed inside one end of the camshaft.

Preferably, for the convenience of lubricating oil storage, lubricating mechanism includes the oil storage tank, the oil storage tank is located inside the one end of camshaft, the oil storage tank is cylindrical structure.

Preferably, in order to facilitate the lubricating oil to lubricate the inside of the camshaft through the sponge block, the lubricating mechanism further comprises a sponge block, the sponge block is of a cylindrical structure and is arranged inside one end of the camshaft, and the oil storage tank is communicated with the inner side of the camshaft through the sponge block.

Preferably, in order to facilitate the entry and the blockage of the lubricating oil to prevent the overflow, the lubricating mechanism further comprises a plug, the plug is slidably mounted inside one end of the camshaft, and the plug is of a cylindrical structure.

Preferably, in order to right the leather plug slides and resets, lubricating mechanism still includes conflict spring, conflict spring install in the one end center department of leather plug, the other end of conflict spring with the inboard conflict of camshaft.

Preferably, for the convenience of lubricating oil leading-in the inside deposit of oil storage tank, lubricating mechanism still includes the guide slot, the guide slot is located the inside of camshaft, the one end of guide slot with the lateral wall intercommunication of leather plug, the other end of guide slot with the inside intercommunication of oil storage tank.

Preferably, in order to facilitate the entry of lubricating oil, the lubricating mechanism further comprises an oil inlet groove, the oil inlet groove is formed in the side wall of one end of the camshaft, and the center of the other end of the plug is communicated with the outside through the guide groove.

The utility model has the advantages that: through the spacer pin with the fluted disc be connected with the other end block of camshaft, then with the one end lateral wall block of two cams and camshaft, after the position is confirmed, rotate through spanner drive nut, make the lead screw rotate, and make two ejector pads of lead screw drive slide, two ejector pads can contradict a plurality of lugs and break away from rising under reset spring's the effect, it contradicts to the bayonet catch to drive the push rod, make the bayonet catch closely contradict with the inside wall of cam, make the inseparable difficult not hard up of cam block, when the reverse rotation lead screw, make ejector pad and lug reset, conveniently make the subsequent dismantlement of cam change, under lubricating mechanism's effect, make the inside lug of camshaft slide smoothly with the ejector pad, better follow-up regulation and control of convenience.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a connection structure of the camshaft and the limiting mechanism shown in FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an enlarged view of the portion B shown in fig. 3.

In the figure: 1. camshaft, 2, fluted disc, 3, cam, 4, stop gear, 41, nut, 42, lead screw, 43, connecting rod, 44, ejector pad, 45, bayonet lock, 46, push rod, 47, reset spring, 48, lug, 49, compression spring, 5, lubricating mechanism, 51, oil feed tank, 52, leather plug, 53, conflict spring, 54, guide slot, 55, oil storage tank, 56, sponge piece.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a noise reduction type driven cam for a motorcycle includes a camshaft 1 and a fluted disc 2 installed at one end of the camshaft 1, wherein the center of the fluted disc 2 is clamped with one end of the camshaft 1, and the outer side wall of the other end of the camshaft 1 is respectively clamped with two cams 3; the two cams 3 are respectively clamped with the outer side wall of the camshaft 1 through a limiting mechanism 4, the limiting mechanism 4 comprises a nut 41, a screw rod 42, a connecting rod 43, a push block 44, two clamping pins 45, a push rod 46, a return spring 47, a convex block 48 and a compression spring 49, the two groups of clamping pins 45 which are symmetrically distributed are respectively installed inside the camshaft 1 in an annular sliding mode, and one end of each clamping pin 45 penetrates through the camshaft 1 and is abutted to the inner side wall of each cam 3; the push rod 46 is installed at the center of the other end of the plurality of bayonet pins 45, the return spring 47 is installed on the outer side wall of the push rod 46 in a sliding manner, and the convex block 48 is installed at the bottom of the plurality of push rods 46; the bottom of the push rod 46 extends to the inner side of the top of the lug 48, the compression spring 49 is installed at the bottom of the push rod 46, and the push rod 46 is in sliding connection with the inner side of the top of the lug 48 through the compression spring 49; the plurality of lugs 48 are slidably connected with the inside of the camshaft 1 through the push rod 46, the bottoms of the plurality of lugs 48 are in a semicircular structure, and the bottoms of the plurality of lugs 48 respectively penetrate through the camshaft 1 and extend to the inside of the camshaft 1; two push blocks 44 are slidably mounted inside the camshaft 1, one end of each push block 44 is of an arc-shaped structure, and the bottoms of the lugs 48 are respectively abutted against the side wall of one end of each push block 44; the two push blocks 44 are connected through the connecting rod 43, one end of the screw rod 42 penetrates through the camshaft 1 and is in threaded connection with the inner side of one of the push blocks 44, and the other end of the screw rod 42 is rotatably connected with the inside of the camshaft 1; one end of the screw cap 41 is connected with the other end of the screw rod 42, the screw cap 41 is rotatably connected with the inner part of the side wall at the other end of the camshaft 1 through the screw rod 42, and a lubricating mechanism 5 is arranged at one end of the camshaft 1.

As a technical optimization scheme of the utility model, lubricated mechanism 5 includes oil storage tank 55, oil storage tank 55 is located inside the one end of camshaft 1, oil storage tank 55 is cylindrical structure.

As a technical optimization scheme of the utility model, lubricated mechanism 5 still includes sponge piece 56, sponge piece 56 is cylindrical structure, sponge piece 56 install in inside the one end of camshaft 1, oil storage tank 55 passes through sponge piece 56 with the inboard intercommunication of camshaft 1.

As a technical optimization scheme of the utility model, lubricating mechanism 5 still includes leather plug 52, leather plug 52 slidable mounting in inside the one end of camshaft 1, leather plug 52 is cylindrical structure.

As a technical optimization scheme of the utility model, lubricated mechanism 5 still includes conflict spring 53, conflict spring 53 install in the one end center department of leather plug 52, conflict spring 53's the other end with camshaft 1's inboard is contradicted.

As a technical optimization scheme of the utility model, lubricating mechanism 5 still includes guide slot 54, guide slot 54 is located the inside of camshaft 1, the one end of guide slot 54 with the lateral wall intercommunication of leather plug 52, the other end of guide slot 54 with the inside intercommunication of oil storage tank 55.

As a technical optimization scheme of the utility model, lubricating mechanism 5 still includes oil feed tank 51, oil feed tank 51 is located the one end lateral wall of camshaft 1, the other end center department of leather plug 52 passes through guide slot 54 communicates with the outside.

When the utility model is used, firstly, the fluted disc 2 is connected with the other end of the camshaft 1 by the limiting pin, then two cams 3 are clamped with the outer side wall of one end of the camshaft 1, after the position is determined, the nut 41 is driven to rotate by the wrench, the lead screw 42 is driven to rotate, and one of the push blocks 44 is driven to move by the lead screw 42, the other push block 44 is driven to slide under the action of the connecting rod 43, the two push blocks 44 can simultaneously abut against the bottoms of the lugs 48 when sliding, the lugs 48 rise under the action of the reset spring 47, and the push rod 46 is driven to abut against the clamping pin 45, so that the clamping pin 45 can tightly abut against the inner side wall of the cam 3, the clamping of the cam 3 is tightly not easy to loose, meanwhile, the compression spring 49 is arranged between the push rod 46 and the lug 48, the buffering effect is achieved, and the extrusion of the push rod 46 by the lug 48 is tight, the service lives, when the reverse rotation lead screw 42, make the ejector pad 44 reset, make lug 48 reset under reset spring 47's effect, conveniently make the subsequent dismantlement of cam 3 change, when using the oil gun to the oiling of oil feed tank 51, lubricating oil conflict plug 52 breaks away from and slides under conflict spring 53's the effect, thereby make lubricating oil get into the inside deposit of oil storage tank 55, and make the inside lubricating oil of oil storage tank 55 pass through sponge piece 56 to camshaft 1 internal lubrication, make the inside lug 48 of camshaft 1 and ejector pad 44 slide smoothly, better follow-up regulation and control of convenience.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A type of making an uproar driven cam falls for motorcycle, includes camshaft (1) and installs in fluted disc (2) of camshaft (1) one end, its characterized in that: the center of the fluted disc (2) is clamped with one end of the cam shaft (1), and the outer side wall of the other end of the cam shaft (1) is respectively clamped with two cams (3); the two cams (3) are respectively clamped with the outer side wall of the camshaft (1) through a limiting mechanism (4), the limiting mechanism (4) comprises a nut (41), a screw rod (42), a connecting rod (43), a push block (44), clamping pins (45), a push rod (46), a reset spring (47), a convex block (48) and a compression spring (49), the two groups of symmetrically distributed clamping pins (45) are respectively installed in the camshaft (1) in an annular sliding mode, and one end of each clamping pin (45) penetrates through the camshaft (1) and is abutted to the inner side walls of the two cams (3); the push rod (46) is installed at the center of the other end of the clamping pins (45), the reset spring (47) is installed on the outer side wall of the push rod (46) in a sliding mode, and the protruding blocks (48) are installed at the bottoms of the push rods (46); the bottom of the push rod (46) extends to the inner side of the top of the lug (48), the compression spring (49) is installed at the bottom of the push rod (46), and the push rod (46) is in sliding connection with the inner side of the top of the lug (48) through the compression spring (49); the lugs (48) are connected with the inside of the camshaft (1) in a sliding mode through the push rods (46), the bottoms of the lugs (48) are of a semicircular structure, and the bottoms of the lugs (48) penetrate through the camshaft (1) and extend to the inside of the camshaft (1); the two push blocks (44) are slidably mounted in the camshaft (1), one end of each push block (44) is of an arc-shaped structure, and the bottoms of the multiple convex blocks (48) are respectively abutted against the side wall of one end of each push block (44); the two push blocks (44) are connected through the connecting rod (43), one end of the screw rod (42) penetrates through the camshaft (1) and is in threaded connection with the inner side of one of the push blocks (44), and the other end of the screw rod (42) is rotatably connected with the inside of the camshaft (1); the one end of nut (41) with the other end of lead screw (42) is connected, nut (41) pass through lead screw (42) with camshaft (1) other end lateral wall is inside to be rotated and is connected, the one end internally mounted of camshaft (1) has lubricated mechanism (5).

2. A noise reduction type driven cam for a motorcycle according to claim 1, wherein: lubricating mechanism (5) include oil storage tank (55), oil storage tank (55) are located inside the one end of camshaft (1), oil storage tank (55) are cylindrical structure.

3. A noise reduction type driven cam for a motorcycle according to claim 2, wherein: the lubricating mechanism (5) further comprises a sponge block (56), the sponge block (56) is of a cylindrical structure, the sponge block (56) is installed inside one end of the camshaft (1), and the oil storage tank (55) is communicated with the inner side of the camshaft (1) through the sponge block (56).

4. A noise reduction type driven cam for a motorcycle according to claim 3, wherein: the lubricating mechanism (5) further comprises a plug (52), the plug (52) is installed inside one end of the camshaft (1) in a sliding mode, and the plug (52) is of a cylindrical structure.

5. A noise reduction type driven cam for a motorcycle according to claim 4, wherein: lubricating mechanism (5) still include conflict spring (53), conflict spring (53) install in the one end center department of leather plug (52), the other end of conflict spring (53) with the inboard conflict of camshaft (1).

6. A noise reduction type driven cam for a motorcycle according to claim 5, wherein: lubricating mechanism (5) still includes guide slot (54), guide slot (54) are located the inside of camshaft (1), the one end of guide slot (54) with the lateral wall intercommunication of leather plug (52), the other end of guide slot (54) with inside intercommunication of oil storage tank (55).

7. A noise reduction type driven cam for a motorcycle according to claim 6, wherein: the lubricating mechanism (5) further comprises an oil inlet groove (51), the oil inlet groove (51) is formed in the side wall of one end of the camshaft (1), and the center of the other end of the plug (52) is communicated with the outside through the guide groove (54).