CN217354503U

CN217354503U - Camshaft convenient to change maintenance based on automation equipment

Info

Publication number: CN217354503U
Application number: CN202220711402.2U
Authority: CN
Inventors: 董家军
Original assignee: Shenzhen Yuheng Precision Machinery Co ltd
Current assignee: Shenzhen Yuheng Precision Machinery Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-09-02
Anticipated expiration: 2032-03-29

Abstract

The utility model discloses a camshaft convenient to change maintenance based on automation equipment, including main shaft, outer antithetical couplet end piece and endotheca, the middle part spout has been seted up to the lateral wall about the main shaft, the endotheca of installing the equidistance range is established to main shaft outside cover, and inner wall fixed mounting has lower spacing piece and last spacing piece of longitudinal symmetry about the endotheca, and lower spacing piece and last spacing piece are via middle part spout and main shaft slip joint, endotheca lateral wall cover is established fixed mounting and is had crisscross positive cam and the anti-cam that sets up, both ends fixed mounting has the lock sleeve about the main shaft, the outer antithetical couplet end piece is installed in the grafting of main shaft tip. The utility model discloses structurally reasonable in design can carry out the change of tip, cam and main part, and the tip is used for being connected with external parts such as outside gear, band pulley to through double-sided spline joint, the assembly is stable, uses convenient and fast, and the locking is firm, and assembly stability is good, and the practicality is very high.

Description

Camshaft convenient to change maintenance based on automation equipment

Technical Field

The utility model relates to a camshaft field specifically is a camshaft based on maintenance is convenient for change by automation equipment.

Background

The camshaft is a component in a piston engine. Its function is to control the opening and closing action of the valve. Although the camshaft rotates at half the speed of the crankshaft in a four-stroke engine (the camshaft rotates at the same speed as the crankshaft in a two-stroke engine), it is usually still high and is required to withstand a large torque.

The fixed structure of current camshaft, the wholeness of self leads to and damages at some position and is, can't carry out solitary change, leads to the maintenance in later stage inconvenient, and combined camshaft again the stability can appear not enough, and the whole assembly intensity is poor, and spacing stability and precision are not enough, influence holistic life.

Accordingly, those skilled in the art have provided a camshaft that facilitates replacement and maintenance based on automation equipment to solve the problems set forth in the background art described above.

Disclosure of Invention

An object of the utility model is to provide a be convenient for change camshaft of maintenance based on automation equipment 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:

a camshaft convenient to replace and maintain based on automatic equipment comprises a main shaft, an outer coupling end piece and an inner sleeve, wherein middle sliding grooves are formed in the upper side wall and the lower side wall of the main shaft, the outer side of the main shaft is sleeved with the inner sleeve arranged at equal intervals, the upper inner wall and the lower inner wall of the inner sleeve are fixedly provided with a lower limiting block and an upper limiting block which are vertically symmetrical, the lower limiting block and the upper limiting block are in sliding clamping connection with the main shaft through the middle sliding grooves, the outer side wall of the inner sleeve is sleeved with a positive cam and a negative cam which are fixedly provided with staggered arrangement, locking sleeves are fixedly arranged at the left end and the right end of the main shaft, the end part of the main shaft is inserted and installed with the outer coupling end piece, the outer coupling end piece is fixedly connected with the locking sleeves, the outer side of the main shaft is positioned at the left side and the right side of the inner sleeve and is sleeved with a pressing ring, the inner wall of the pressing ring is fixedly provided with sliding strips which are symmetrically arranged, the side wall of the main shaft is provided with a ring groove matched with the sliding strips, and the middle sliding grooves are mutually communicated, the outer wall fixed mounting that the clamping ring is located the draw runner offside has the seat of connecing soon that the symmetry set up, connects the inside counter bore bolt of connecing soon of seat soon, and the counter bore bolt outside cover is established and is installed spacing piece, spacing piece and endotheca and clamping ring crimping assembly.

As a further aspect of the present invention: the outer coupling end piece comprises a coupling sleeve, a locking bolt, a threaded sleeve and a spline sleeve, wherein one half of the coupling sleeve is inserted and installed in a groove at the end part of the main shaft, the coupling sleeve is located at one end inside the main shaft and is fixedly installed with the spline sleeve, the middle part of the coupling sleeve is penetrated and fixedly installed with the threaded sleeve, the middle part of the threaded sleeve is screwed with the locking bolt, the locking bolt and the inner wall of the locking sleeve are screwed with each other through threads for assembly, the lower side wall of the coupling sleeve is provided with a end sliding groove matched with the middle sliding groove, and the left part of the front side wall of the coupling sleeve is provided with a clamping groove.

As a further aspect of the present invention: the width of the sliding strip is consistent with that of the middle sliding groove, and the sliding strip can be assembled with the main shaft in a sliding mode through the middle sliding groove.

As a further aspect of the present invention: the inner wall and the outer wall of the spline housing are provided with straight spline grooves, and the outer wall of the locking sleeve and the inner wall of the end part of the main shaft are respectively provided with a sliding groove matched with the spline housing.

As a further aspect of the present invention: the middle parts of the front end and the rear end of the inner sleeve and the compression ring are provided with semi-embedded grooves matched with the limiting pieces, and the limiting pieces are in embedded connection with the inner sleeve and the compression ring.

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

the utility model discloses structurally reasonable in design can carry out the change of tip, cam and main part, and the tip is used for being connected with external parts such as outside gear, band pulley to through double-sided spline joint, the assembly is stable, uses convenient and fast, and the locking is firm, and assembly stability is good, and the practicality is very high.

Drawings

FIG. 1 is a schematic structural diagram of a camshaft based on an automated device for easy replacement and maintenance.

FIG. 2 is a schematic diagram of a left view angle of a camshaft based on automation equipment for easy replacement and maintenance.

Fig. 3 is a schematic structural diagram of a camshaft middle connecting sleeve, a camshaft main shaft and a locking sleeve which are convenient to replace and maintain based on automation equipment.

FIG. 4 is a schematic left-side view of a camshaft with a compression ring, a limiting piece and a main shaft, wherein the camshaft is convenient to replace and maintain based on an automatic device.

In the figure: the clamping device comprises a main shaft 1, a positive cam 2, a terminal sleeve 3, a limiting sheet 4, an inner sleeve 5, a pressing ring 6, a counter bore bolt 7, a clamping groove 8, a reverse cam 9, a screwing seat 10, a ring groove 11, a lower limiting block 12, a sliding strip 13, an upper limiting block 14, an end sliding groove 15, a locking bolt 16, a locking sleeve 17, a middle sliding groove 18, a threaded sleeve 19 and a spline sleeve 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 to 4, in the embodiment of the present invention, a camshaft convenient for replacement and maintenance based on an automatic apparatus includes a main shaft 1, an outer coupling end piece and an inner sleeve 5, wherein middle sliding grooves 18 are formed on upper and lower side walls of the main shaft 1, the inner sleeve 5 is sleeved and installed on an outer side of the main shaft 1 at equal intervals, lower and upper limiting

blocks

12 and 14 are fixedly installed on upper and lower inner walls of the inner sleeve 5 at upper and lower symmetry, the lower and upper limiting

blocks

12 and 14 are slidably engaged with the main shaft 1 via the middle sliding grooves 18, a front cam 2 and a reverse cam 9 are fixedly installed on an outer side wall of the inner sleeve 5 at staggered arrangement, locking sleeves 17 are fixedly installed on left and right ends of the main shaft 1, the outer coupling end piece is fixedly connected with the locking sleeves 17 by inserting, a compression ring 6 is sleeved and installed on left and right sides of the main shaft 1 at left and right sides of the inner sleeve 5, and a slide bar 13 is fixedly installed on an inner wall of the compression ring 6 at symmetrical arrangement, 1 lateral wall of main shaft has been seted up with draw runner 13 complex annular 11, and annular 11 and middle part spout 18 switch on each other, the outer wall fixed mounting that clamping ring 6 is located draw runner 13 offside has the seat 10 of connecing soon that the symmetry set up, connects the seat 10 inside soon to connect soon and installs counter bore bolt 7, and counter bore bolt 7 outside cover is established and is installed spacing piece 4, spacing piece 4 and endotheca 5 and the assembly of the 6 crimping of clamping ring.

Outer coupling end piece includes end connection sleeve 3, locking bolt 16, thread bush 19 and spline housing 20, half grafting of end connection sleeve 3 is installed in 1 tip recess of main shaft, end connection sleeve 3 is located the inside one end fixed mounting of main shaft 1 and has spline housing 20, end connection sleeve 3 middle part is run through fixed mounting and is had thread bush 19, and thread bush 19 middle part connects soon installs locking bolt 16, and locking bolt 16 connects the assembly soon through the screw thread with the 17 inner wall of lock sleeve, end connection sleeve 3 is last about the lateral wall seted up with middle part 18 complex tip spout 15, draw-in groove 8 has been seted up to end connection sleeve 3 front side wall left part.

The width of the slide bar 13 is consistent with the width of the middle sliding groove 18, and the slide bar 13 can be slidably assembled with the main shaft 1 through the middle sliding groove 18.

The inner wall and the outer wall of the spline housing 20 are provided with straight spline grooves, and the outer wall of the locking sleeve 17 and the inner wall of the end part of the main shaft 1 are respectively provided with a sliding groove matched with the spline housing 20.

The middle parts of the front end and the rear end of the inner sleeve 5 and the compression ring 6 are provided with semi-embedded grooves matched with the limiting pieces 4, and the limiting pieces 4 are embedded and clamped with the inner sleeve 5 and the compression ring 6.

The utility model discloses a theory of operation is:

the utility model relates to a camshaft convenient to change and maintain based on automation equipment, the device is used for the reciprocating transmission of automation equipment, during operation, the existing camshaft can be directly replaced, and the camshaft is of a combined structure, compared with the existing integrated camshaft, the replacement of a tip, a cam and a main body can be carried out, the tip is used for being connected with external parts such as external gears, belt wheels and the like, and is clamped through a double-sided spline, the assembly is stable, and can be replaced by disassembling a locking bolt 16, meanwhile, the cam of the device is assembled outside an inner sleeve, the inner sleeve is connected with a main shaft 1 in a sliding way, a matching pressure ring 6 limits the inner sleeve 5, the pressure ring 6 can slide in through a middle sliding groove 18 firstly, and rotates at the position of an annular groove 11, after rotating for 90 degrees, the pressure ring 6 and the inner sleeve 5 can be locked, and then the pressure ring 6 compresses the pressure ring 6 and the inner sleeve 5, half embedding grooves matched with the limiting pieces 4 are formed in the middle of the front end and the rear end of the inner sleeve 5 and the pressing ring 6, the limiting pieces 4 are embedded with the inner sleeve 5 and the pressing ring 6 to be clamped, the position fixing of the pressing ring 6 and the inner sleeve 5 can be guaranteed, and the assembling stability is good.

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. The utility model provides a camshaft convenient to change maintenance based on automation equipment, includes main shaft (1), outer antithetical couplet end piece and endotheca (5), its characterized in that, middle part spout (18) have been seted up to the lateral wall about main shaft (1), main shaft (1) outside cover is established and is installed endotheca (5) that the equidistance was arranged, and inner wall fixed mounting has lower spacing piece (12) and last spacing piece (14) of longitudinal symmetry about endotheca (5), and lower spacing piece (12) and last spacing piece (14) are via middle part spout (18) and main shaft (1) slip joint, fixed mounting is established to endotheca (5) lateral wall cover has crisscross positive cam (2) and anti-cam (9) that set up, both ends fixed mounting has lock sleeve (17) about main shaft (1), outer antithetical couplet end piece is installed in the grafting of main shaft (1) tip, outer antithetical couplet end piece and lock sleeve (17) fixed connection, main shaft (1) outside is located endotheca (5) left and right sides cover and establishes and install clamping ring (6), and clamping ring (6) inner wall fixed mounting has draw runner (13) that the symmetry set up, main shaft (1) lateral wall seted up with draw runner (13) complex annular (11), and annular (11) and middle part spout (18) switch on each other, clamping ring (6) are located draw runner (13) offside outer wall fixed mounting and have connect seat (10) soon that the symmetry set up, connect seat (10) inside soon and install counter bore bolt (7), and counter bore bolt (7) outside cover is established and is installed spacing piece (4), and spacing piece (4) and endotheca (5) and clamping ring (6) crimping assembly.

2. The camshaft based on the automation device for convenient replacement and maintenance according to claim 1, it is characterized in that the outer coupling end piece comprises an end connecting sleeve (3), a locking bolt (16), a thread sleeve (19) and a spline sleeve (20), half of the end connecting sleeve (3) is inserted and installed in a groove at the end part of the main shaft (1), the spline sleeve (20) is fixedly installed at one end of the end connecting sleeve (3) positioned in the main shaft (1), the middle part of the end connecting sleeve (3) is fixedly provided with a threaded sleeve (19) in a penetrating way, the middle part of the threaded sleeve (19) is screwed with a locking bolt (16), the locking bolt (16) is screwed with the inner wall of the locking sleeve (17) through threads, the upper side wall and the lower side wall of the end connecting sleeve (3) are provided with end sliding grooves (15) matched with the middle sliding grooves (18), and the left part of the front side wall of the end connecting sleeve (3) is provided with a clamping groove (8).

3. The camshaft facilitating replacement and maintenance based on the automation equipment as claimed in claim 1, characterized in that the width of the slide bar (13) is consistent with the width of the middle sliding groove (18), and the slide bar (13) can be slidably assembled with the main shaft (1) through the middle sliding groove (18).

4. The camshaft convenient to replace and maintain based on the automation equipment as claimed in claim 2, wherein the spline housing (20) is provided with straight spline grooves on the inner and outer walls, and the outer wall of the locking sleeve (17) and the inner wall of the end of the main shaft (1) are respectively provided with sliding grooves matched with the spline housing (20).

5. The camshaft convenient to replace and maintain based on the automatic equipment as claimed in claim 1, wherein the middle parts of the front and rear ends of the inner sleeve (5) and the pressing ring (6) are provided with semi-embedded grooves matched with the limiting pieces (4), and the limiting pieces (4) are clamped with the inner sleeve (5) and the pressing ring (6) in an embedded manner.