阅读说明：本技术 一种对称焊接的活塞 (Symmetrically welded piston ) 是由 韦洲 于 2019-11-06 设计创作，主要内容包括：本发明公开了一种对称焊接的活塞,涉及发动机技术领域,包括防护顶层,所述防护顶层的下端外表面设置有防潮层,所述防潮层的下端外表面设置有活塞头,所述活塞头的下端外表面设置有凹槽,所述凹槽的下端外表面设置有活塞销座。本发明所述的一种对称焊接的活塞,使用时更加安全,通过内部的可调节的活塞头和可移动的活塞销座相互配合,让活塞的使用寿命提高同时活塞工作时变得更加安全稳定,活塞头通过活塞环槽下端的伸缩扣和固定夹,实现调节固定,加强了活塞的工作效率,下端通过活塞销座内部的隔离层加强活塞的隔热性,提高了活塞整体使用寿命,较为实用,带来更好的使用前景。(The invention discloses a symmetrically welded piston, which relates to the technical field of engines and comprises a protective top layer, wherein a moisture-proof layer is arranged on the outer surface of the lower end of the protective top layer, a piston head is arranged on the outer surface of the lower end of the moisture-proof layer, a groove is arranged on the outer surface of the lower end of the piston head, and a piston pin seat is arranged on the outer surface of the lower end of the groove. The symmetrically welded piston is safer in use, the service life of the piston is prolonged, the piston becomes safer and more stable in work through the mutual matching of the adjustable piston head and the movable piston pin seat, the piston head is adjusted and fixed through the telescopic buckle and the fixing clamp at the lower end of the piston ring groove, the working efficiency of the piston is enhanced, the heat insulation performance of the piston is enhanced through the isolation layer at the lower end of the piston pin seat, the service life of the whole piston is prolonged, the symmetrically welded piston is more practical, and better use prospects are brought.)

1. A symmetrically welded piston, includes protection top layer (1), its characterized in that: the outer surface of the lower end of the protective top layer (1) is provided with a moisture-proof layer (2), the outer surface of the lower end of the moisture-proof layer (2) is provided with a piston head (3), the outer surface of the lower end of the piston head (3) is provided with a groove (4), the outer surface of the lower end of the groove (4) is provided with a piston pin base (5), one side of the piston pin base (5) is provided with an inner cooling oil cavity (8), one side of the inner cooling oil cavity (8) is provided with a mounting groove (6), the outer surface of the lower end of the piston pin base (5) is provided with a welding seam (7), the outer surface of the lower end of the welding seam (7) is provided with a piston skirt (9), the outer surface of the lower end of the piston skirt (9) is provided with a connecting clamping groove (10), the outer wall of the piston head (3) is provided, the middle part of fixation clamp (303) is provided with butt joint hole (304), the one end surface of piston key seat (5) is provided with fixed knot (501), one side surface of fixed knot (501) is provided with shifting chute (502), one side surface of shifting chute (502) is provided with isolation layer (503), the inner wall of isolation layer (503) is provided with connects siphunculus (504).

2. A symmetrically welded piston according to claim 1, wherein: the middle part of baffle (301) and the outer wall fixed connection of piston ring groove (302), the inner wall of baffle (301) and the outer wall fixed connection of fixation clamp (303).

3. A symmetrically welded piston according to claim 1, wherein: the outer surface of one side of the fixing buckle (501) is in sliding connection with the outer surface of the other side of the moving groove (502), the outer surface of one side of the moving groove (502) is in sliding connection with the outer wall of the isolating layer (503), and the inner wall of the isolating layer (503) is fixedly connected with the outer wall of the connecting through pipe (504).

4. A symmetrically welded piston according to claim 1, wherein: the lower extreme surface of piston ring groove (302) is provided with flexible the knot, the outer wall fixed connection of the lower extreme surface of piston ring groove (302) through flexible knot and fixation clamp (303), the upper end surface of baffle (301) is provided with sealed glue.

5. A symmetrically welded piston according to claim 1, wherein: the outer surface of one side of the fixing buckle (501) is in sliding connection with the outer wall of the isolating layer (503) through a moving groove (502), and sealing gaskets are arranged on the outer surfaces of two ends of the connecting pipe (504).

6. A symmetrically welded piston according to claim 1, wherein: the outer surface of the lower end of the protective top layer (1) is fixedly connected with the outer surface of the upper end of the moisture-proof layer (2), and the outer surface of the lower end of the connecting clamping groove (10) is provided with a heat insulation plate.

Technical Field

The invention relates to the technical field of engines, in particular to a symmetrically welded piston.

Background

The piston is a part reciprocating in the cylinder body of the automobile engine, the basic structure of the piston can be divided into a top part, a head part and a skirt part, the top part of the piston is the main part forming a combustion chamber, the shape of the piston is related to the selected combustion chamber form, the gasoline engine mostly adopts a flat-top piston, the heat absorption area is small, the explosion pressure of the engine is higher and higher along with the development of the engine, the power rising is higher and higher, the torque rising is higher and higher, the heat load of the piston is higher and higher, although the aluminum piston has the advantage of light weight, the requirements of high power, high strengthening and low emission of the engine can not be gradually met, the aluminum piston is more and more difficult to meet the requirements of the engine, therefore, the steel piston is produced by the operation, the structural form of the conventional steel piston is integral forging, the weight of the piston is far.

When the existing piston works, the piston is poor in cooling effect, high in processing cost, high in matching degree requirement, low in service life and prone to causing potential safety hazards, and therefore a symmetrically welded piston is provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a symmetrically welded piston which has the advantages of good cooling effect, long service life, high matching degree and the like, and solves the problems of poor cooling effect, high matching degree requirement, low service life and easy potential safety hazard of common pistons during working.

(II) technical scheme

In order to achieve the purposes of good cooling effect, long service life and high matching degree, the invention provides the following technical scheme: a symmetrically welded piston comprises a protective top layer, wherein a moisture-proof layer is arranged on the outer surface of the lower end of the protective top layer, a piston head is arranged on the outer surface of the lower end of the moisture-proof layer, a groove is formed in the outer surface of the lower end of the piston head, a piston pin boss is arranged on the outer surface of the lower end of the groove, an inner cooling oil cavity is arranged on one side of the piston pin boss, a mounting groove is formed in one side of the inner cooling oil cavity, a welding seam is arranged on the outer surface of the lower end of the welding seam, a piston skirt is arranged on the outer surface of the lower end of the piston skirt, a connecting clamping groove is formed in the outer wall of the piston head, a piston ring groove is formed in the middle of the baffle, a fixing clamp is arranged on the inner wall of the baffle, a butt joint hole is formed, the outer surface of one side of shifting chute is provided with the isolation layer, the inner wall of isolation layer is provided with the communicating tube.

Preferably, the middle part of the baffle is fixedly connected with the outer wall of the piston ring groove, and the inner wall of the baffle is fixedly connected with the outer wall of the fixing clamp.

Preferably, the outer surface of one side of the fixing buckle is in sliding connection with the outer surface of the other side of the moving groove, the outer surface of one side of the moving groove is in sliding connection with the outer wall of the isolating layer, and the inner wall of the isolating layer is fixedly connected with the outer wall of the connecting through pipe.

Preferably, the lower extreme surface of piston ring groove is provided with flexible knot, the lower extreme surface of piston ring groove is through flexible knot and fixation clamp's outer wall fixed connection, the upper end surface of baffle is provided with sealed glue.

Preferably, the outer surface of one side of the fixing buckle is in sliding connection with the outer wall of the isolation layer through a moving groove, and sealing gaskets are arranged on the outer surfaces of the two ends of the connecting through pipe.

Preferably, the outer surface of the lower end of the protective top layer is fixedly connected with the outer surface of the upper end of the moisture-proof layer, and the outer surface of the lower end of the connecting clamping groove is provided with a heat insulation plate.

(III) advantageous effects

Compared with the prior art, the invention provides a symmetrically welded piston, which has the following beneficial effects:

1. the symmetrically welded piston has the advantages that a user opens the engine, the piston starts to work, the piston has the functions of bearing gas pressure and rotating the engine through the piston pin boss, the protective top layer is arranged on the outer surface of the upper end of the piston to prevent the internal pressure of the piston from leaking outwards, the moisture-proof layer at the lower end of the protective top layer prevents the liquid generated by the liquefaction inside the piston from influencing the engine, the baffle is arranged inside the piston head to protect the piston ring groove, the telescopic buckle is arranged at the lower end of the piston ring groove and can be adjusted to further strengthen the firmness of the fixing clamp, the butt joint hole is connected with the inside of the engine to improve the safety, the groove at the lower end of the piston head is conveniently connected with the engine, the firmness of the piston is strengthened through welding seams, the isolating layer is arranged inside the piston pin boss to prevent the piston from being damaged, the connecting pipe both ends are provided with seal ring, have strengthened moisture resistance, and the connecting groove of bottom is provided with the insulating layer, prevents that the overheated piston of burning loss of machine oil, wholly has realized advantages such as piston cooling effect is good, long service life and matching degree height, and the effect of use is better for traditional mode.

2. This symmetry welded piston, it is safer during the use, mutually support through inside adjustable piston head and mobilizable piston key seat, the life who lets the piston improves simultaneously the piston during operation becomes more safety and stability, the piston head passes through flexible knot and the fixation clamp of piston ring groove lower extreme, it is fixed to realize adjusting, the work efficiency of piston has been strengthened, the lower extreme strengthens the heat-proof quality of piston through the inside isolation layer of piston key seat, the whole life of piston has been improved, the problem that the poor and life of piston cooling nature is low commonly used has been solved, it has better prospect to use.

Drawings

FIG. 1 is a schematic view of a symmetrically welded piston according to the present invention;

FIG. 2 is a schematic view of a symmetrically welded piston head according to the present invention;

FIG. 3 is a schematic diagram of a piston pin boss of a symmetrically welded piston according to the present invention.

In the figure: 1. a protective top layer; 2. a moisture barrier; 3. a piston head; 4. a groove; 5. a piston pin boss; 6. mounting grooves; 7. welding seams; 8. an internal cooling oil cavity; 9. a piston skirt; 10. a connecting clamping groove; 301. a baffle plate; 302. a piston ring groove; 303. a fixing clip; 304. a butt joint hole; 501. a fixing buckle; 502. a moving groove; 503. an isolation layer; 504. is connected with the through pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

As shown in fig. 1-3, a symmetrically welded piston comprises a protective top layer 1, a moisture-proof layer 2 is arranged on the outer surface of the lower end of the protective top layer 1, a piston head 3 is arranged on the outer surface of the lower end of the moisture-proof layer 2, a groove 4 is arranged on the outer surface of the lower end of the piston head 3, a piston pin boss 5 is arranged on the outer surface of the lower end of the groove 4, an inner cooling oil chamber 8 is arranged on one side of the piston pin boss 5, a mounting groove 6 is arranged on one side of the inner cooling oil chamber 8, a welding seam 7 is arranged on the outer surface of the lower end of the piston pin boss 5, a piston skirt 9 is arranged on the outer surface of the lower end of the piston skirt 9, a baffle plate 301 is arranged on the outer wall of the piston head 3, a piston ring groove 302 is arranged in the middle of the baffle plate 301, a, the outer surface of one side of the fixing buckle 501 is provided with a moving groove 502, the outer surface of one side of the moving groove 502 is provided with an isolating layer 503, and the inner wall of the isolating layer 503 is provided with a communicating pipe 504.

Further, the middle part of baffle 301 and the outer wall fixed connection of piston ring groove 302, the inner wall of baffle 301 and the outer wall fixed connection of fixation clamp 303 are favorable to strengthening piston ring groove 302's stability, strengthen the fastness of baffle 301 and fixation clamp 303.

Further, the outer surface of one side of fixed knot 501 and the other side surface sliding connection of shifting chute 502, the outer surface of one side of shifting chute 502 and the outer wall sliding connection of isolation layer 503, the inner wall of isolation layer 503 and the outer wall fixed connection of connecting through pipe 504 are of value to the fastness between the enhancement part, prevent that the machine from operating, take place vibrations to lead to inside interface pine to fall.

Further, the lower extreme surface of piston ring groove 302 is provided with flexible the knot, and the outer wall fixed connection of the lower extreme surface of piston ring groove 302 through flexible knot and fixation clamp 303, the upper end surface of baffle 301 is provided with sealed glue, is of value to the leakproofness of piston, prevents to take place the influence in the machine working process.

Further, the outer surface of one side of the fixing buckle 501 is in sliding connection with the outer wall of the isolation layer 503 through the moving groove 502, and sealing gaskets are arranged on the outer surfaces of the two ends of the connecting pipe 504, so that the stability of the piston is enhanced, and the working efficiency of the machine is improved.

Furthermore, the outer surface of the lower end of the protective top layer 1 is fixedly connected with the outer surface of the upper end of the damp-proof layer 2, and the outer surface of the lower end of the connecting clamping groove 10 is provided with a heat insulation plate, so that the matching degree of a piston and an engine can be enhanced, and the working sensitivity of a machine can be improved.

The application needs to be explained that the invention is a symmetrically welded piston, and the working principle is as follows: the utility model discloses a piston, which comprises a piston pin seat 5, a piston ring groove 302, a piston pin seat 503, a baffle plate 301, a baffle 503, a piston ring groove 302, a telescopic buckle, a butt joint hole 304, a groove 4, a welding line 7, a sealing layer 503, a piston pin seat 5, a piston pin seat 3, a piston pin seat 1, a piston top layer 1, a piston ring groove 302, a piston ring groove 3, a piston ring groove 2, a piston ring groove 302, a piston ring groove 3, a piston ring groove, piston skirt 9 guide piston makes reciprocating motion and bears the side pressure in the engine, connect siphunculus 504 both ends and be provided with seal ring, the humidity resistance has been strengthened, the connecting slot 10 of bottom is provided with the insulating layer, it is safer when the piston uses, piston head 3 and mobilizable piston pin boss 5 mutually support through inside adjustable, let the life of piston improve simultaneously the piston during operation become more safety and stability, piston head 3 passes through flexible knot and fixation clamp 303 of piston ring groove 302 lower extreme, it is fixed to realize adjusting, the work efficiency of piston has been strengthened, the lower extreme strengthens the heat-proof quality of piston through the inside isolation layer 503 of piston pin boss 5, the whole life of piston has been improved, it has better prospect to use.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.