CN218598248U

CN218598248U - Combined type camshaft that can stabilize and cup joint

Info

Publication number: CN218598248U
Application number: CN202221021968.9U
Authority: CN
Inventors: 林强
Original assignee: Zhejiang Changhong Technology Co ltd
Current assignee: Zhejiang Changhong Technology Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2023-03-10
Anticipated expiration: 2032-04-29

Abstract

The utility model belongs to the technical field of the camshaft technique and specifically relates to a combined type camshaft that can stabilize and cup joint, including camshaft and cam, the outside of camshaft is provided with firm cup joint structure, firm cup joint structure contains the first lantern ring, the equal screwed connection in the outside of the first lantern ring and camshaft has the second lantern ring, the utility model discloses in cam and first lantern ring respectively with camshaft screwed connection and second lantern ring respectively with camshaft and first lantern ring screwed connection's cooperation under to the reliable equipment of combined type camshaft, the equipment is accomplished the back and is rotated with the push rod and is connected and the sliding plate reliably slides in the inboard jack of first spiral ring and second spiral ring with the button through the adjustment mounting panel under axis of rotation and sliding plate and mounting panel sliding connection's cooperation, first spiral ring, second spiral ring, cam, first lantern ring and second lantern ring are not hard up when avoiding the camshaft to rotate, thereby guarantee that the reliable operation of camshaft stably opens or close the valve, increase the practicality of device.

Description

Combined type camshaft that can stabilize and cup joint

Technical Field

The utility model relates to a camshaft technical field specifically is a combined type camshaft that can stabilize and cup joint.

Background

The main body of the camshaft is a cylindrical rod body with the length approximately equal to that of the cylinder group, a plurality of cams are sleeved on the main body and used for driving the valve, and the camshaft is supported in a camshaft bearing hole through camshaft journals, so the number of the camshaft journals is an important factor influencing the supporting rigidity of the camshaft.

The camshaft often the integral type is cast into, and casting defect or later stage camshaft part damage cause whole camshaft to scrap, increase the maintenance cost, and it is serious to use back partial cam wearing and tearing for a long time simultaneously, can not change the life who prolongs the camshaft to the cam.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can stabilize combined type camshaft that cup joints to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a combined type camshaft that can stabilize and cup joint, includes camshaft and cam, the outside of camshaft is provided with the cam, the outside of camshaft is provided with firm cup joint structure, firm cup joint structure contains first lantern ring, and first lantern ring and camshaft screwed connection, the equal screwed connection in the outside of first lantern ring and camshaft has the second lantern ring, the outside screwed connection of first lantern ring has first spiral ring, and first spiral ring and second lantern ring screwed connection, the outside screwed connection of camshaft has the second spiral ring, and the second spiral ring respectively with first lantern ring, second lantern ring and cam screwed connection, the top side of first spiral ring and second spiral ring is provided with the button, and the button respectively with cam, first lantern ring and second lantern ring sliding connection.

Preferably, the top fixedly connected with push rod of first spiral ring and second spiral ring, the one end of push rod is provided with the mounting panel, the inboard rotation of mounting panel is connected with the axis of rotation, the inboard sliding connection of left end of mounting panel has the sliding plate, the left end fixedly connected with fixed plate of sliding plate, and fixed plate and button fixed connection, the top fixedly connected with spring of mounting panel, and the other end and the fixed plate fixed connection of spring.

Preferably, the outside of camshaft is provided with the screw thread, cam, first lantern ring and middle second lantern ring all with camshaft screwed connection, the outside of first lantern ring is provided with the screw thread, and around the second lantern ring of both sides and first lantern ring screwed connection, be located around both sides second lantern ring one end inboard is provided with the internal thread, and first spiral ring passes through internal thread and second lantern ring screwed connection, be located in the middle the inboard of second lantern ring, cam and first lantern ring is provided with the internal thread, and the second spiral ring passes through the internal thread respectively with second lantern ring, cam and first lantern ring screwed connection.

Preferably, the inner side of the left end of the mounting plate is provided with a sliding chute, and the sliding plate is in sliding connection with the mounting plate through the sliding chute.

Preferably, the inner sides of the cam, the first sleeve ring and the second sleeve ring are uniformly provided with jacks along the circumference, and the button is respectively connected with the cam, the first sleeve ring and the second sleeve ring in a sliding manner through the jacks.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, through the cam that sets up, the first lantern ring, the second lantern ring, first spiral ring, the second spiral ring, the sliding plate, a button, axis of rotation and push rod, can guarantee that cam and camshaft are reliably compound to cup joint, avoid whole scrapping after cam and camshaft integrated into one piece damage, shorten the life of camshaft, according to the cam, the mounted position of the first lantern ring and the second lantern ring is reliably installed to both sides in proper order with them from the camshaft centre, reliably assemble the combined type camshaft under cam and first lantern ring respectively with camshaft screwed connection and second lantern ring respectively with camshaft and first lantern ring screwed connection's cooperation, reliably slide the inboard jack of first spiral ring and second spiral ring into with the button through the adjustment mounting panel under axis of rotation and push rod rotation and sliding plate and mounting panel sliding connection's cooperation after the equipment is accomplished, thereby guarantee that the first spiral ring and the second spiral ring of the screw in second lantern ring and the reliable operation of cam in and the first lantern ring of screw in second lantern ring is reliably fixed, thereby the operation of the camshaft is not hard up when avoiding the camshaft rotation, thereby increase the practicality of valve device.

Drawings

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

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 4 is a schematic view of the installation structure of the middle button of the present invention.

In the figure: 1-camshaft, 2-first lantern ring, 3-cam, 4-second lantern ring, 5-first spiral ring, 6-second spiral ring, 7-push rod, 8-mounting plate, 9-rotating shaft, 10-spring, 11-fixing plate, 12-button, 13-sliding plate.

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, the present invention provides a technical solution:

the utility model provides a combined type camshaft that can stabilize and cup joint, including camshaft 1 and cam 3, the outside of camshaft 1 is provided with firm cup joint structure, firm cup joint structure contains first lantern ring 2, and first lantern ring 2 and 1 screwed connection of camshaft, the equal screwed connection in the outside of first lantern ring 2 and camshaft 1 has second lantern ring 4, the outside screwed connection of first lantern ring 2 has first spiral ring 5, and first

spiral ring

5 and 4 screwed connection of second lantern ring, the outside screwed connection of camshaft 1 has second spiral ring 6, and second spiral ring 6 respectively with first lantern ring 2,

second lantern ring

4 and 3 screwed connection of cam, the top side of first spiral ring 5 and second spiral ring 6 is provided with button 12, and button 12 respectively with cam 3,

first lantern ring

2 and 4 sliding connection of second lantern ring.

The top ends of the first spiral ring 5 and the second spiral ring 6 are fixedly connected with a push rod 7, one end of the push rod 7 is provided with a mounting plate 8, the inner side of the mounting plate 8 is rotatably connected with a rotating shaft 9, the inner side of the left end of the mounting plate 8 is slidably connected with a sliding plate 13, the left end of the sliding plate 13 is fixedly connected with a fixed plate 11, the fixed plate 11 is fixedly connected with a button 12, the top end of the mounting plate 8 is fixedly connected with a spring 10, the other end of the spring 10 is fixedly connected with the fixed plate 11, and a component is prevented from rotating when the camshaft 1 starts or closes an air valve through a cam 3 and the camshaft 1 is in shaft diameter fit rotation in the using process; the outer side of the camshaft 1 is provided with threads, the cam 3, the first lantern ring 2 and the middle second lantern ring 4 are all in threaded connection with the camshaft 1, the outer side of the first lantern ring 2 is provided with threads, the second lantern rings 4 on the front side and the rear side are in threaded connection with the first lantern ring 2, inner threads are arranged on the inner sides of one ends of the second lantern rings 4 on the front side and the rear side, the first spiral ring 5 is in threaded connection with the second lantern ring 4 through the inner threads, inner threads are arranged on the inner sides of the middle second lantern ring 4, the cam 3 and the first lantern ring 2, the second spiral ring 6 is in threaded connection with the second lantern ring 4, the cam 3 and the first lantern ring 2 through the inner threads, and reliable sleeving of the cam 3, the first lantern ring 2 and the second lantern ring 4 is guaranteed in the using process; a sliding groove is formed in the inner side of the left end of the mounting plate 8, the sliding plate 13 is connected with the mounting plate 8 in a sliding mode through the sliding groove, and the shaft ensures reliable change of the position of the button 12 in the using process; the insides of the cam 3, the first lantern ring 2 and the second lantern ring 4 are uniformly provided with jacks along the circumference, and the button 12 is respectively in sliding connection with the cam 3, the first lantern ring 2 and the second lantern ring 4 through the jacks, so that the looseness of components is avoided in the use process.

The working process is as follows: the utility model discloses the device can guarantee cam 3 and 1 reliable compound of camshaft and cup joint, avoid cam 3 and 1 integrated into one piece of camshaft to damage the back whole and scrap, shorten camshaft 1's life, need assemble cam 3 in the use, during first lantern ring 2 and second lantern ring 4, according to cam 3, the mounted position of first lantern ring 2 and second lantern ring 4 is installed them from camshaft 1 centre to both sides in proper order, rotate at cam 3 and first lantern ring 2 respectively with camshaft 1 screwed connection and second lantern ring 4 respectively with camshaft 1 and 2 screwed connection's cooperation down to 1 reliable equipment of combined type camshaft, after the equipment is accomplished at axis of

rotation

9 and 7 rotation connection of push rod and through adjusting mounting panel 8 with push button 12 alignment cam 3 under sliding

plate

13 and 8 sliding connection's of mounting panel cooperation, the inboard jack of first lantern ring 2 and second lantern ring 4, thereby guarantee that first spiral ring 5 and second spiral ring 6 of screw in second lantern ring 4 and screw in cam 3 and first lantern ring 6 and the second spiral ring 6 of screw in cam 3 and first lantern ring 2 reliable fixed, first spiral ring 5 when avoiding camshaft 1 to rotate, second lantern ring 6, thereby the operation of cam 3 and the reliable opening of second lantern ring 4 is become flexible, thereby the reliable opening of cam 1 and the operation of camshaft is closed or the second lantern ring 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a can stabilize combined type camshaft that cup joints, includes camshaft (1) and cam (3), its characterized in that: the outside of camshaft (1) is provided with cam (3), the outside of camshaft (1) is provided with firm cup joint structure, firm cup joint structure contains first lantern ring (2), and first lantern ring (2) and camshaft (1) threaded connection, the equal threaded connection in the outside of first lantern ring (2) and camshaft (1) has second lantern ring (4), the outside threaded connection of first lantern ring (2) has first spiral ring (5), and first spiral ring (5) and second lantern ring (4) threaded connection, the outside threaded connection of camshaft (1) has second spiral ring (6), and second spiral ring (6) respectively with first lantern ring (2), second lantern ring (4) and cam (3) threaded connection, the top side of first spiral ring (5) and second spiral ring (6) is provided with button (12), and button (12) respectively with cam (3), first lantern ring (2) and second lantern ring (4) sliding connection.

2. The composite camshaft capable of being stably sleeved according to claim 1, wherein: the top fixedly connected with push rod (7) of first spiral ring (5) and second spiral ring (6), the one end of push rod (7) is provided with mounting panel (8), the inboard rotation of mounting panel (8) is connected with axis of rotation (9), the inboard sliding connection in left end of mounting panel (8) has sliding plate (13), the left end fixedly connected with fixed plate (11) of sliding plate (13), and fixed plate (11) and button (12) fixed connection, the top fixedly connected with spring (10) of mounting panel (8), and the other end and fixed plate (11) fixed connection of spring (10).

3. The composite camshaft capable of being stably sleeved according to claim 1, wherein: the outside of camshaft (1) is provided with the screw thread, cam (3), first lantern ring (2) and middle second lantern ring (4) all with camshaft (1) screwed connection, the outside of first lantern ring (2) is provided with the screw thread, and around second lantern ring (4) and first lantern ring (2) screwed connection of both sides, both sides around being located second lantern ring (4) one end inboard is provided with the internal thread, and first spiral ring (5) are through internal thread and second lantern ring (4) screwed connection, be located in the middle the inboard of second lantern ring (4), cam (3) and first lantern ring (2) is provided with the internal thread, and second spiral ring (6) through the internal thread respectively with second lantern ring (4), cam (3) and first lantern ring (2) screwed connection.

4. The composite camshaft capable of being stably sleeved according to claim 2, wherein: the left end inboard of mounting panel (8) is provided with the spout, and sliding plate (13) pass through spout and mounting panel (8) sliding connection.

5. The composite camshaft capable of being stably sleeved according to claim 1, wherein: the inner sides of the cam (3), the first sleeve ring (2) and the second sleeve ring (4) are uniformly provided with jacks along the circumference, and the button (12) is respectively in sliding connection with the cam (3), the first sleeve ring (2) and the second sleeve ring (4) through the jacks.