CN215292609U

CN215292609U - Cam mounting structure convenient to change and adjust

Info

Publication number: CN215292609U
Application number: CN202121570123.0U
Authority: CN
Inventors: 陈军华; 陆学丰
Original assignee: Nanjing Kelang Machinery Manufacturing Co ltd
Current assignee: Nanjing Kelang Machinery Manufacturing Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-12-24
Anticipated expiration: 2031-07-12

Abstract

A cam mounting structure convenient for replacement and adjustment comprises a fixing frame, one side of the fixing frame is connected with a seal box through glue, a first groove is formed in the bottom side of the fixing frame, a piston sleeve is arranged on one side of the fixing frame, which is away from the seal box, a moving rod is inserted into one side of the piston sleeve, a rotating shaft is movably connected in the fixing frame, a cam is arranged on the rotating shaft, the seal box is hollow, a filter screen is inserted into one side of the first groove, an L-shaped groove is formed in the cam, a clamping rod is fixed on the rotating shaft through being matched with a positioning bolt to extrude the clamping rod, the problem that the cam mounting structure is inconvenient to replace and adjust at the present stage is solved, meanwhile, a contact switch is arranged in the rotating process of a roller and the cam, a lubricating oil sponge pad in the seal box is enabled to be soaked in the sharp end of the cam, grease can be carried out, and the problem that the abrasion between the cam and a contact part is too fast is improved, meanwhile, the problem that the cam mechanism is easy to rust is solved.

Description

Cam mounting structure convenient to change and adjust

Technical Field

The utility model relates to a cam installation technical field, concretely relates to cam mounting structure convenient to change and adjust.

Background

The cam mechanism is a transmission device for automobile movement, which is generally installed in an engine cylinder in front of a vehicle along with a cam shaft, and is usually matched with the cam shaft to drive and control the opening and closing of each cylinder door of the engine.

The cam mounting structure at the present stage is inconvenient to replace and adjust the cam, the cam is in sliding contact with the contact part, the abrasion is too fast, and meanwhile, the cam mechanism is easy to corrode for a long time and is not easy to keep in a lubricating state.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is the inconvenient problem of changing and adjusting the cam of the cam mounting structure at present stage, and cam and contact member sliding contact, the problem of wearing and tearing too fast, the cam mechanism time of having of a specified duration easily corrodes simultaneously, is difficult for keeping lubricated state's problem, provides a cam mounting structure convenient to change and adjust for this reason.

The utility model provides a technical scheme that technical problem adopted is: the utility model provides a cam mounting structure convenient to change and adjust, includes fixed frame, fixed frame one side is glued and is connected with the seal box, first recess has been seted up to fixed frame position in the seal box bottom side, one side that the seal box was kept away from to fixed frame is provided with the piston bush, it has the carriage release lever to peg graft in piston bush one side, swing joint has the axis of rotation in the fixed frame, be provided with the cam in the axis of rotation.

As the utility model discloses a preferred technical scheme, be cavity in the seal box, it has the filter screen to peg graft in one side in the first recess, it is connected with first spring to be close to filter screen one side glue in the first recess, one side glue that the filter screen was kept away from to first spring is connected with the movable plate, the movable plate is kept away from first spring one side welding and is had the thimble, fixed frame is located thimble department glue and is connected with the foam-rubber cushion, seal box upper end one side is provided with the oil filler point.

As a preferred technical scheme of the utility model, the carriage release lever is located the piston cover and has welded the limiting plate, limiting plate sliding connection is in the piston cover, the carriage release lever is located the piston cover and has cup jointed little spring, the carriage release lever is close to seal box one side welding has U type frame and U type frame internal rotation to be connected with the gyro wheel.

As a preferred technical scheme of the utility model, L type recess has all been seted up to the both sides that the cam kept away from each other, one side is equipped with the spiral line in the L type recess, L type recess has the gim peg through spiral line threaded connection, the opposite side of L type recess has the spacing piece through casting integrated into one piece, the opposite side of L type recess is provided with the kelly, the second spring has been cup jointed on the kelly, it has the cardboard to lie in second spring one side welding on the kelly.

As an optimized technical scheme of the utility model, the bottom side of gim peg is the slope form, the kelly is close to gim peg one side and has circular arch through casting integrated into one piece the kelly is the same with the opposite side length of L type recess.

The utility model has the advantages of it is following: through set up L type recess in the cam, cooperation locating pin extrusion kelly is fixed in the axis of rotation, the inconvenient problem of changing and adjusting of cam mounting structure in current stage has been solved, simultaneously at gyro wheel and cam rotation in-process, set up the switch of contact, make lubricating oil in the seal box soak on the sponge pad, the more sharp end of cam constantly extrudees the sponge pad, can carry out cream oil, the problem that cam and contact member wearing and tearing are too fast has been promoted, the easy corrosion of cam mechanism's problem has been solved simultaneously.

Drawings

Fig. 1 is a side cross-sectional structural view of a cam mounting structure for easy replacement and adjustment according to a preferred embodiment of the present invention;

fig. 2 is a schematic top cross-sectional view of a cam mounting structure for easy replacement and adjustment according to a preferred embodiment of the present invention;

fig. 3 is a schematic three-dimensional view of a cam mounting structure for easy replacement and adjustment according to a preferred embodiment of the present invention;

fig. 4 is an enlarged schematic view of a cam mounting structure at a point a for easy replacement and adjustment according to a preferred embodiment of the present invention;

fig. 5 is an enlarged schematic structural diagram of a cam mounting structure at B for easy replacement and adjustment according to a preferred embodiment of the present invention.

Description of reference numerals: 1. a fixing frame; 2. a sealing box; 21. a first groove; 22. filtering with a screen; 23. a first spring; 24. moving the plate; 25. a sponge cushion; 26. an oil filler hole; 3. a piston sleeve; 31. a travel bar; 32. a limiting plate; 33. a small spring; 4. a rotating shaft; 41. a cam; 42. an L-shaped groove; 43. positioning bolts; 44. a clamping rod; 45. a second spring; 46. and (4) clamping the board.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be further explained with reference to the accompanying drawings.

Example one

Please refer to the cam mounting structure that fig. 1-4 shows in combination with a is convenient for change and adjust, including fixed frame 1, fixed frame 1 one side is glued and is connected with seal box 2, can add when lubricating oil reduces in seal box 2 through oil filler point 26, fixed frame 1 is located seal box 2 bottom side and has seted up first recess 21, one side that seal box 2 was kept away from to fixed frame 1 is provided with piston sleeve 3, make carriage release lever 31 round trip movement, it has carriage release lever 31 to peg graft in 3 one side of piston sleeve, swing joint has axis of rotation 4 in fixed frame 1, both sides of keeping away from each other on axis of rotation 4 all set up the through-hole and the through-hole is laminated with kelly 44, it is convenient fixed, be provided with cam 41 on the axis of rotation 4, cam 41 rotates constantly and contacts with foam-rubber cushion 25, thereby make things convenient for the cream oil.

Specifically, a limiting plate 32 is welded in the movable rod 31 positioned in the piston sleeve 3, the limiting plate 32 is connected in the piston sleeve 3 in a sliding manner, a small spring 33 is sleeved in the movable rod 31 positioned in the piston sleeve 3, a U-shaped frame is welded on one side of the movable rod 31 close to the seal box 2, a roller is rotatably connected in the U-shaped frame and is in continuous contact with the cam 41, so that the transmission of lubricating oil can be facilitated, the rusting of parts can be reduced, the seal box 2 is hollow, a filter screen 22 is inserted into one side of the first groove 21, the effect of grease can be prevented from being influenced by condensate in the lubricating oil, a first spring 23 is connected in the first groove 21 close to the filter screen 22 in an adhesive manner, a movable plate 24 is connected to one side of the first spring 23 far away from the filter screen 22 in an adhesive manner, the cam 41 can extrude the ejector pins at intervals in the rotating process, so that the movable plate 24 moves back and forth, the lubricating oil seeps out to be absorbed by the sponge cushion 25 conveniently, and an ejector pin is welded on one side of the movable plate 24 far away from the first spring 23, fixed frame 1 is located thimble department and glues and is connected with foam-

rubber cushion

25, 2 upper end one side of seal box is provided with oil filler point 26, conveniently add when lubricating oil level reduces in seal box 2 through oil filler point 26, L type recess 42 has all been seted up to the both sides that cam 41 kept away from each other, one side is equipped with the spiral line in the L type recess 42, L type recess 42 has locating bolt 43 through spiral line threaded connection, locating bolt 43 threaded connection L type recess 42, can extrude removal to kelly 44, there is the spacing piece L type recess 42's opposite side through casting integrated into one piece, L type recess 42's opposite side is provided with kelly 44, second spring 45 has been cup jointed on the kelly 44, it has cardboard 46 to lie in second spring 45 one side welding on the kelly 44, cardboard 46 cooperates with L type recess 42's spacing arch, can restrict the maximum mobile position of kelly 44, can prevent that kelly 44 from droing simultaneously.

Example two

In the first embodiment, the positioning pin 43 easily and directly abuts against the latch rod 44 so as to fix the cam 41, referring to fig. 5, as another preferred embodiment, the difference from the first embodiment is that the bottom side of the positioning pin 43 is inclined, the latch rod 44 is integrally formed with a circular protrusion on one side of the positioning pin 43 by casting, the latch rod 44 has the same length as the other side of the L-shaped groove 42, the positioning pin 43 is screwed down, the inclined opening at the bottom of the positioning pin 43 presses the circular protrusion of the latch rod 44, and the latch rod 44 moves to abut against the through hole of the rotating shaft 4, so as to realize fixation.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Other parts not described in detail in the present invention belong to the prior art, and are not described herein again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a cam mounting structure convenient to change and adjust, includes fixed frame (1), its characterized in that, fixed frame (1) one side is glued and is connected with seal box (2), first recess (21) have been seted up to fixed frame (1) position in seal box (2) bottom side, one side that seal box (2) were kept away from to fixed frame (1) is provided with piston sleeve (3), piston sleeve (3) one side is pegged graft and is had carriage release lever (31), swing joint has axis of rotation (4) in fixed frame (1), be provided with cam (41) on axis of rotation (4).

2. The cam mounting structure convenient to replace and adjust as claimed in claim 1, wherein the sealing box (2) is hollow, a filter screen (22) is inserted into one side of the first groove (21), a first spring (23) is connected to one side of the first groove (21) close to the filter screen (22) in an adhesive manner, a moving plate (24) is connected to one side of the first spring (23) far away from the filter screen (22) in an adhesive manner, a thimble is welded to one side of the moving plate (24) far away from the first spring (23), a sponge pad (25) is connected to the fixing frame (1) at the thimble in an adhesive manner, and an oil filling hole (26) is formed in one side of the upper end of the sealing box (2).

3. The cam mounting structure convenient to replace and adjust as claimed in claim 1, wherein the moving rod (31) is located in the piston sleeve (3) and welded with a limiting plate (32), the limiting plate (32) is slidably connected in the piston sleeve (3), the moving rod (31) is located in the piston sleeve (3) and sleeved with a small spring (33), one side of the moving rod (31) close to the seal box (2) is welded with a U-shaped frame, and a roller is rotationally connected in the U-shaped frame.

4. The cam mounting structure convenient to replace and adjust as claimed in claim 1, wherein the two sides of the cam (41) away from each other are both provided with an L-shaped groove (42), one side in the L-shaped groove (42) is provided with a spiral thread, the L-shaped groove (42) is connected with a positioning bolt (43) through the spiral thread, the other side of the L-shaped groove (42) is integrally formed with a limiting block through casting, the other side of the L-shaped groove (42) is provided with a clamping rod (44), the clamping rod (44) is sleeved with a second spring (45), and a clamping plate (46) is welded on one side of the clamping rod (44) located on the second spring (45).

5. The cam mounting structure convenient for replacement and adjustment according to claim 4, wherein the bottom side of the positioning bolt (43) is inclined, and the catch rod (44) is integrally formed with a circular protrusion at one side close to the positioning bolt (43) by casting, and the length of the catch rod (44) is the same as that of the other side of the L-shaped groove (42).