CN208221524U - A kind of air compressor machine crank reciprocator for the U.S. tableware of resistance to ware production - Google Patents

Abstract

The utility model discloses a kind of air compressor machine crank reciprocators for the U.S. tableware of resistance to ware production, including cylinder and driving gear, piston is fixedly installed on the inner wall of the cylinder, shaft coupling is fixedly installed on the lower end inner wall of the cylinder, the lower end of the shaft coupling is provided with bearing, the axial end of the bearing is threaded with piston rod, the inner wall that the end of the piston rod passes through cylinder is connected with the piston that cylinder interior is arranged in, the lower end of the piston rod is axially connected with link pin, the lower end of the link pin is axially connected with connecting rod, the lower end of the connecting rod is connected with crank-pin, the axial end of the crank-pin is axially connected with driving gear, crank reciprocator is arranged face-to-face inside it and turns to opposite driving gear to constrain and drive a connecting rod, and then piston is driven to do pure straight reciprocating motion, thus The lateral pressure between piston and cylinder can be reduced, while realizing the active balance of piston reciprocating inertia force.

Description

A kind of air compressor machine crank reciprocator for the U.S. tableware of resistance to ware production

Technical field

The utility model relates to for the U.S. tableware of resistance to ware production field, specially a kind of sky for the U.S. tableware of resistance to ware production Press crank reciprocator.

Background technique

Air compressor hereinafter referred to as air compressor machine is for improving gas pressure and conveying the machinery of gas, from the sight of energy From the point of view of point, air compressor machine is to belong to the working machine that the kinetic force of prime mover is changed into gas pressure energy, it is many kinds of, purposes pole Extensively, it is widely used in each production division of national economy, therefore has the title of " universal machine ", reciprocating air compressor relies primarily on Crank link mechanism realizes the reciprocating motion of piston, because there is the pendulum motion relative to cylinder during the work time in connecting rod, There is also following shortcomings:

For example, patent name is a kind of crank link mechanism of air compressor machine double-crank application No. is 201420757429.0 Utility model patent:

Its component that will be perpendicular to cylinder-bore axis offsets each other, and the active force of such piston and cylinder wall is offset, frictional force It reduces, energy consumption reduces, the reciprocating motion especially suitable for the small load of high revolving speed.

But the existing air compressor machine crank reciprocator for the U.S. tableware of resistance to ware production has the following deficiencies:

(1) there is the pendulum motion relative to cylinder due to connecting rod in existing air compressor machine during the work time, piston Lateral pressure and slap movement to cylinder can not be eliminated, and machine is caused larger friction loss occur；

(2) mechanicalness noise is larger in use for existing air compressor machine, and certain noise pollution is generated to surrounding.

Summary of the invention

In order to overcome the shortcomings of prior art, the utility model provides a kind of pneumatics for the U.S. tableware of resistance to ware production Machine crank reciprocator can effectively solve the problem of background technique proposes.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of air compressor machine crank reciprocator for the U.S. tableware of resistance to ware production, including cylinder and driving gear, the gas It is fixedly installed with piston on the inner wall of cylinder, is fixedly installed with shaft coupling on the lower end inner wall of the cylinder, under the shaft coupling End is provided with bearing, and the axial end of the bearing is threaded with piston rod, and the end of the piston rod passes through the inner wall of cylinder It is connected with the piston that cylinder interior is arranged in, the lower end of the piston rod is axially connected with link pin, under the link pin End is axial to be connected with connecting rod, and the lower end of the connecting rod is connected with crank-pin, and the axial end of the crank-pin is axially connected with driving Gear, the lower end of the driving gear is ratcheting to be connected with intermediate gear, is additionally provided with balance weight on the outer wall of the driving gear.

Further, the outer surface of the crank-pin is additionally provided with adjusting screw.

Further, the axial end of the intermediate gear is additionally provided with shaft.

Further, piston pin is additionally provided on the inner wall of the piston.

Further, the outer surface of the crank-pin is additionally provided with elastic ring, and the left end of the elastic ring is connected with connecting rod It connects.

Compared with prior art, the utility model has the beneficial effects that

(1) the crank reciprocator of the utility model is arranged and turns to opposite driving gear to come about face-to-face inside it Beam simultaneously drives a connecting rod, and then piston is driven to do pure straight reciprocating motion, thus can reduce the side between piston and cylinder Pressure, while realizing the active balance of piston reciprocating inertia force；

(2) gear is arranged in a manner of face-to-face in the air compressor machine crank reciprocator of the utility model, space occupy-place compared with Small, structure is more compact, and not only the reciprocal inertia force balance of air compressor machine is more convenient, but also the orientation of air compressor piston and cylinder Can flexible setting be carried out along different angles as needed.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the schematic diagram of the section structure of the utility model；

Fig. 3 is the crank pin structure schematic diagram of the utility model.

Figure label:

1- cylinder；2- piston；3- piston pin；4- shaft coupling；5- bearing；6- piston rod；7- link pin；8- connecting rod；9- is bent Handle pin；10- drives gear；11- balance weight；12- intermediate gear；13- shaft；14- adjusts screw；15- elastic ring.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figure 1 to Figure 3, it is reciprocal to provide a kind of air compressor machine crank for the U.S. tableware of resistance to ware production for the utility model Mechanism, including cylinder 1 and driving gear 10, are fixedly installed with piston 2 on the inner wall of the cylinder 1, on the inner wall of the piston 2 It is additionally provided with piston pin 3, shaft coupling 4, the lower end setting of the shaft coupling 4 are fixedly installed on the lower end inner wall of the cylinder 1 Have a bearing 5, the axial end of the bearing 5 is threaded with piston rod 6, the end of the piston rod 6 pass through the inner wall of cylinder 1 with The piston 2 inside cylinder 1 is arranged in be connected, the lower end of the piston rod 6 is axially connected with link pin 7, the link pin 7 Lower end is axially connected with connecting rod 8, and the lower end of the connecting rod 8 is connected with crank-pin 9, and the axial end of the crank-pin 9 axially connects There is driving gear 10, the lower end of the driving gear 10 is ratcheting to be connected with intermediate gear 12, the axial end of the intermediate gear 12 It is additionally provided with shaft 13, is additionally provided with 11,2 driving gears 10 of balance weight in intermediate gear on the outer wall of the driving gear 10 Under 12 driving, in rotating backward, therefore, so that two connecting rods 8 also synchronize in opposite directions under the driving of crank-pin 9 It swings, thus, two connecting rods 8 are rotationally coupled on the same piston pin 3 and drive piston 2 to move by piston pin 3, due to knot The symmetry of structure, the movement of piston 2 are tightly constrained to straight reciprocating motion, i.e. contact between piston 2 and cylinder 1 is no side Press contacts reduce abrasion efficiency.

It further illustrates, the outer surface of the crank-pin 9, which is additionally provided with, adjusts screw 14, outside the crank-pin 9 Surface is additionally provided with elastic ring 15, and the left end of the elastic ring 15 is connected with connecting rod 8, is used as wearability pad using elastic ring 15 Piece links together crank-pin 9 with connecting rod, reduces the abrasion between connecting rod 8 and crank-pin 9, while using adjusting screw Tightness between 14 adjustable crank-pins 9 and elastic ring 15 makes so that the distance between crank-pin 9 and connecting rod 8 are adjustable Obtain the connecting rod that crank-pin 9 is suitble to different length.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (5)

1. a kind of air compressor machine crank reciprocator for the U.S. tableware of resistance to ware production, including cylinder (1) and driving gear (10), It is characterized in that: being fixedly installed with piston (2) on the inner wall of the cylinder (1), is fixedly mounted on the lower end inner wall of the cylinder (1) Have shaft coupling (4), the lower end of the shaft coupling (4) is provided with bearing (5), and the axial end of the bearing (5) is threaded with work Stopper rod (6), the inner wall that the end of the piston rod (6) passes through cylinder (1) are connected with setting in the internal piston (2) of cylinder (1) It connects, the lower end of the piston rod (6) is axially connected with link pin (7), and the lower end of the link pin (7) is axially connected with connecting rod (8), the lower end of the connecting rod (8) is connected with crank-pin (9), and the axial end of the crank-pin (9) is axially connected with driving gear (10), the lower end of driving gear (10) is ratcheting is connected with intermediate gear (12), on the outer wall of driving gear (10) also It is provided with balance weight (11).

2. a kind of air compressor machine crank reciprocator for the U.S. tableware of resistance to ware production according to claim 1, feature exist In: the outer surface of the crank-pin (9), which is additionally provided with, adjusts screw (14).

3. a kind of air compressor machine crank reciprocator for the U.S. tableware of resistance to ware production according to claim 1, feature exist In: the axial end of the intermediate gear (12) is additionally provided with shaft (13).

4. a kind of air compressor machine crank reciprocator for the U.S. tableware of resistance to ware production according to claim 1, feature exist In: piston pin (3) are additionally provided on the inner wall of the piston (2).

5. a kind of air compressor machine crank reciprocator for the U.S. tableware of resistance to ware production according to claim 1, feature exist In: the outer surface of the crank-pin (9) is additionally provided with elastic ring (15), and the left end of the elastic ring (15) is connected with connecting rod (8) It connects.