CN212154894U - Changeable air inlet cam sheet - Google Patents

Abstract

The utility model discloses a changeable formula cam piece of admitting air, including the cam piece, the inside below of cam piece is equipped with dismouting device. This interchangeable formula cam piece that admits air, overall structure is novel, certain creativity has, the operation is respond well, better satisfied people's use needs, its concrete beneficial effect is as follows, through the retaining ring, the slider, the spout, cooperation between bolt and the spring, make between retaining ring and the cam piece be convenient for install and dismantle, when separating cam piece and external camshaft, need not rotate the bolt and the nut that are used for retaining ring, reduce the operation degree of difficulty, shorten the activity duration, bring the facility for the operation personnel, through the quarter butt, cooperation between chute and the hexagon socket head cap screw, make things convenient for operation personnel pulling bolt, further improved the operating efficiency, bring the facility of operation for the maintenance personnel, consequently this interchangeable formula cam piece that admits air can satisfy people's use needs completely, be suitable for using widely.

Description

Changeable air inlet cam sheet

Technical Field

The utility model relates to an intake cam piece technical field specifically is a changeable formula intake cam piece.

Background

In the interior of an automobile engine, a camshaft is used, is a component in a piston engine and is used for controlling the opening and closing actions of an air valve.

However, after the cam piece in the prior art is fixed through the bolt, once the cam piece needs to be replaced, the plurality of bolts need to be rotated to take the cam piece down, the dismounting process is time-consuming and labor-consuming, the operation efficiency is low, and after the cam piece is dismounted for many times, the fatigue of the bolt and the nut is increased and the cam piece is easy to damage, so that the prior art can not meet the use requirements of people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an interchangeable formula cam piece of admitting air to after the cam piece that proposes among the prior art among the above-mentioned background art of solution fixes through the bolt, in case when needing to be changed, need rotate a plurality of bolts, take off the cam piece, the dismouting process is wasted time and energy, and the operating efficiency is lower, and after the dismouting many times, bolt and nut fatigue degree increase, fragile problem.

In order to achieve the above object, the utility model provides a following technical scheme: a replaceable air inlet cam piece comprises a cam piece, wherein a dismounting device is arranged below the inner part of the cam piece;

the dismounting device comprises a check ring, a coarse hole, a fine hole, a sliding block, a sliding groove, a clamping groove, a bolt, a vertical groove and a spring;

the outer wall of the check ring is in clearance fit with the inner wall of the cam piece, a thick hole is formed in the side face of the check ring, the front face of the check ring is in a sixty-degree annular shape and is provided with a fine hole, sliding blocks are fixedly connected to the top and the bottom of the check ring, the sliding blocks are in sliding clamping connection with the cam piece through sliding grooves, a clamping groove is formed in the top of the sliding blocks, a bolt is in clearance fit with the inner wall of the clamping groove, the outer wall of the bolt is in clearance fit with the cam piece through a vertical groove, a spring is fixedly connected to the top of the bolt, and the top of the spring is.

Preferably, one end of the plug pin inserted into the vertical groove is arc-shaped.

Preferably, the left side and the right side of the cam sheet are 1-2 mm wider than the retainer ring.

Preferably, the fine holes are chamfered at both left and right sides thereof.

Preferably, the right side of the bolt is provided with an adjusting device;

the adjusting device comprises an inner hexagon bolt, a thread groove, a short rod and a chute;

the outer wall of the inner hexagon bolt is in threaded connection with the cam piece through a thread groove, the left end of the inner hexagon bolt is fixedly connected with a short rod, and the left end of the short rod is tightly abutted to the right side of the plug pin through a chute.

Preferably, the left end of the short rod is arc-shaped.

Compared with the prior art, the beneficial effects of the utility model are that: this interchangeable formula cam piece that admits air, overall structure is novel, has certain creativity, and the operation is respond well, better satisfying people's user demand, its specific beneficial effect as follows:

through the cooperation between retaining ring, slider, spout, bolt and the spring for be convenient for install and dismantle between retaining ring and the cam piece, when separating cam piece and external camshaft, need not rotate the bolt and the nut that are used for fixed retaining ring, reduce the operation degree of difficulty, shorten the activity duration, bring the facility for the operation personnel.

Through the cooperation between quarter butt, chute and the hexagon socket head cap screw, make things convenient for the operation personnel to stimulate the bolt, further improved the operating efficiency, brought the facility of operation for maintenance personal, consequently this interchangeable formula cam piece that admits air can satisfy people's operation needs completely, is suitable for and uses widely.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a schematic view of a connection relationship between the retainer ring, the hexagon socket head cap screw and the plug in FIG. 1;

fig. 4 is a schematic view of the connection relationship between the plug, the short rod and the hexagon socket head cap screw in fig. 3.

In the figure: 1. the device comprises a dismounting device, 101, a retainer ring, 102, a thick hole, 103, a thin hole, 104, a sliding block, 105, a sliding groove, 106, a clamping groove, 107, a bolt, 108, a vertical groove, 109, a spring, 2, an adjusting device, 201, a hexagon socket head cap screw, 202, a threaded groove, 203, a short rod, 204, a chute, 3 and a cam sheet.

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: a replaceable air inlet cam plate comprises a cam plate 3, the shape of the cam plate 3 is processed and molded according to use requirements, a dismounting device 1 is arranged below the inner portion of the cam plate 3, the dismounting device 1 comprises a check ring 101, a coarse hole 102, a fine hole 103, a sliding block 104, a sliding groove 105, a clamping groove 106, a plug pin 107, a vertical groove 108 and a spring 109, the outer wall of the check ring 101 is in clearance fit with the inner wall of the cam plate 3, the coarse hole 102 is formed in the side face of the check ring 101, the check ring 101 is convenient to be sleeved on the outer wall of an external camshaft through the coarse hole 102, the fine hole 103 is formed in the front face of the check ring 101 in a sixty-degree annular shape, the check ring 101 is convenient to be fixed with the external camshaft through the fine hole 103 and matching with an external bolt, the sliding block 104 is fixedly connected to the top and the bottom of the check ring 101, draw-in groove 106 has been seted up at the top of slider 104, bolt 107 and draw-in groove 106 cooperation, fix slider 104 and cam piece 3, the inner wall clearance fit of draw-in groove 106 has bolt 107, the outer wall of bolt 107 is through erecting groove 108 and cam piece 3 clearance fit, the top fixedly connected with spring 109 of bolt 107, spring 109 gives bolt 107 and inserts the elasticity of draw-in groove 106, the top of spring 109 is in the same place with the inner wall fixed connection who erects groove 108, the one end that bolt 107 inserted perpendicular groove 108 is arc, convex design, make things convenient for bolt 107 to insert the inside of draw-in groove 106, the left and right sides of cam piece 3 all is 1-2 millimeters wider than retaining ring 101, the left and right sides of pore 103 has all processed the chamfer.

The right side of bolt 107 is equipped with adjusting device 2, adjusting device 2 includes hexagon socket head cap screw 201, thread groove 202, quarter butt 203 and chute 204, hexagon socket head cap screw 201's outer wall passes through thread groove 202 and links to each other with cam piece 3 screw thread, hexagon socket head cap screw 201 and the position of thread groove 202 cooperation being convenient for control quarter butt 203, hexagon socket head cap screw 201's left end fixedly connected with quarter butt 203, the left end of quarter butt 203 passes through chute 204 and offsets tightly with the right side of bolt 107, cooperation through quarter butt 203 and chute 204, make adjustment quarter butt 203 can promote bolt 107 to remove, and then make bolt 107 and draw-in groove 106 separate, the left end of quarter butt 203 is arc.

When the replaceable air intake cam plate is used, the retainer ring 101 is sleeved on the outer wall of an external camshaft through the thick hole 103, then the retainer ring 101 is fixed with the external camshaft through the matching of the thin hole 103 and an external bolt, at the moment, the replaceable air intake cam plate is fixed with the external camshaft, when the cam plate 3 is seriously worn or damaged due to other reasons, the inner hexagon bolt 201 is rotated at the moment, so that the inner hexagon bolt 201 moves leftwards along the inner wall of the thread groove 202, the inner hexagon bolt 201 drives the short rod 203 to move leftwards, the short rod 203 drives the bolt 107 to be separated from the clamping groove 106 through the matching with the inclined groove 204, at the moment, the cam plate 3 is pushed leftwards to move, the chute 105 and the chute 104 of the inner wall of the cam plate 3 are separated, the cam plate 3 is taken down from one end of the outer wall of the camshaft, a new cam plate 3 is replaced, and the bolt 107 is, the retainer ring 101 and the new cam piece 3 are fixed.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (6)

1. A replaceable intake cam plate comprising a cam plate (3), characterized in that: a dismounting device (1) is arranged below the cam sheet (3);

the dismounting device (1) comprises a retainer ring (101), a coarse hole (102), a fine hole (103), a sliding block (104), a sliding groove (105), a clamping groove (106), a plug pin (107), a vertical groove (108) and a spring (109);

the outer wall of retaining ring (101) and the inner wall clearance fit of cam piece (3), macropore (102) have been seted up to the side of retaining ring (101), the front of retaining ring (101) is sixty degrees annular and has seted up pore (103), the equal fixedly connected with slider (104) in top and bottom of retaining ring (101), slider (104) pass through spout (105) and cam piece (3) slip joint together, draw-in groove (106) have been seted up at the top of slider (104), the inner wall clearance fit of draw-in groove (106) has bolt (107), the outer wall of bolt (107) passes through perpendicular groove (108) and cam piece (3) clearance fit, the top fixedly connected with spring (109) of bolt (107), the top of spring (109) is in the same place with the inner wall fixed connection of perpendicular groove (108).

2. A replaceable intake cam plate according to claim 1, wherein: one end of the bolt (107) inserted into the vertical groove (108) is arc-shaped.

3. A replaceable intake cam plate according to claim 1, wherein: the left side and the right side of the cam sheet (3) are 1-2 mm wider than the retainer ring (101).

4. A replaceable intake cam plate according to claim 1, wherein: chamfers are processed on the left side and the right side of the fine holes (103).

5. A replaceable intake cam plate according to claim 1, wherein: an adjusting device (2) is arranged on the right side of the bolt (107);

the adjusting device (2) comprises an inner hexagon bolt (201), a thread groove (202), a short rod (203) and a chute (204);

the outer wall of the inner hexagonal bolt (201) is in threaded connection with the cam piece (3) through a threaded groove (202), the left end of the inner hexagonal bolt (201) is fixedly connected with a short rod (203), and the left end of the short rod (203) is tightly abutted to the right side of the plug pin (107) through a chute (204).

6. A replaceable intake cam plate according to claim 5, wherein: the left end of the short rod (203) is arc-shaped.

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