CN216111035U - Tightness-adjustable piston ring - Google Patents

Abstract

The utility model discloses a tightness-adjustable piston ring, which comprises a piston and is characterized in that: the piston ring comprises a piston, and is characterized in that a piston ring groove is arranged outside the piston, a clamping hole is formed in the inner wall of the piston ring groove, a piston ring is sleeved outside the piston ring groove, a clamping tooth is arranged on the inner side of the piston ring, a bottom plate is fixed at the bottom of the clamping tooth, a groove is arranged below the clamping tooth, springs are connected with the inner sides of the groove and the bottom plate, stop blocks are arranged on two sides of the upper portion of the groove, the clamping tooth is meshed with the clamping hole, an elastic adjusting mechanism is arranged in the middle of the piston ring, an outer notch is arranged on the outer side of the piston ring, an inner notch is arranged on the inner side of the piston ring, outer teeth are arranged on the inner wall of the outer notch, inner teeth are arranged on the outer side of the inner notch, and gears are meshed with the middle portions of the inner teeth and the outer teeth.

Description

Tightness-adjustable piston ring

Technical Field

The utility model relates to the technical field of piston equipment, in particular to a tightness-adjustable piston ring.

Background

The piston ring is a metal ring which is used for being embedded into a piston groove and can be used for sealing combustible mixed gas in a combustion chamber or sealing hydraulic oil in an oil cylinder, the piston ring is a metal elastic ring with large outward expansion deformation, the metal elastic ring is assembled into a ring groove with the section corresponding to the ring groove, and the reciprocating and rotating piston ring forms sealing between the outer circular surface of the ring and one side surface of the cylinder and the ring groove by means of pressure difference of gas or liquid.

However, most of the existing piston rings cannot be adjusted in tightness and are easy to damage, so that the piston ring with adjustable tightness and strong practicability is designed.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a piston ring with adjustable tightness, which solves the above problems of the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a piston ring with adjustable elasticity, includes the piston, its characterized in that: the outside of piston is provided with the piston ring groove, the inner wall of piston ring groove is provided with the card hole, the piston ring has been cup jointed to the outside of piston ring groove, the inboard of piston ring is provided with the latch, the bottom of latch is fixed with the bottom plate, the below of latch is provided with the recess, the recess is connected with the spring with the inboard of bottom plate, the upper portion both sides of recess are provided with the dog, the latch meshes with the card hole mutually.

According to the technical scheme, the middle of the piston ring is provided with the tightness adjusting mechanism, the outer side of the piston ring is provided with the outer notch, the inner side of the piston ring is provided with the inner notch, the inner wall of the outer notch is provided with the outer teeth, the outer side of the inner notch is provided with the inner teeth, and the inner teeth are meshed with the middle of the outer teeth to form the gear.

According to the technical scheme, the lateral wall of the piston is provided with the oil storage chamber, the inside in oil storage chamber is provided with the gasbag, the side of gasbag is provided with the push pedal, the top in oil storage chamber is provided with the oil outlet, lubricating oil has been filled to the opposite side of the inside push pedal in oil storage chamber.

According to the technical scheme, an outer sleeve ring is arranged outside the tightness adjusting mechanism, the upper portion of the gear is connected with a rotating shaft, a handle is installed at the tail end of the rotating shaft, and the rotating shaft penetrates through the outer sleeve ring.

According to the technical scheme, the sealing layer is arranged outside the piston ring.

According to the technical scheme, the sealing layer is made of rubber.

Compared with the prior art, the utility model has the following beneficial effects: in the utility model, the raw materials are mixed,

(1) by arranging the clamping hole and the clamping tooth, the piston ring is sleeved in the piston ring groove outside the piston when the piston ring is used, so that the clamping tooth inside the piston ring corresponds to the clamping hole outside the piston ring groove, the piston ring is prevented from rotating during piston movement, hydraulic oil is prevented from leaking, when the clamping hole is shallow, the clamping tooth moves towards the inside of the groove, the spring is compressed, and elastic force in the opposite direction is generated, so that the clamping tooth is clamped with the clamping hole more tightly, the stop dog can prevent the clamping tooth from being separated from the groove, the structure is simple, and the applicability is good;

(2) by arranging the outer teeth and the inner teeth, when the piston ring is loose, the gear rotates clockwise to drive the outer teeth and the inner teeth which are meshed with the gear to move, so that the outer notch and the inner notch move oppositely, the piston ring starts to be tightened to prevent hydraulic oil from leaking, when the piston ring is tight, the gear rotates anticlockwise to drive the outer teeth and the inner teeth which are meshed with the gear to move, the outer notch and the inner notch move in opposite directions, the piston ring starts to be loosened to prevent the piston ring from being broken due to over-tightness;

(3) through being provided with gasbag and baffle, the piston can produce the heat when the motion of piston intracavity for the gasbag is heated the inflation, promotes the push pedal motion, extrudes lubricating oil, and lubricating oil receives the extrusion and flows along the oil outlet of oil storage chamber top, lubricates the piston, effectively reduces the wearing and tearing of piston.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic overall elevational cross-sectional structural view of the present invention;

FIG. 2 is a schematic top view of a piston ring according to the present invention;

FIG. 3 is a schematic view of the tightness adjustment mechanism of the present invention;

FIG. 4 is a schematic view of the outer collar structure of the present invention;

in the figure: 1. a piston; 2. a piston ring groove; 3. a piston ring; 4. a clamping hole; 5. an oil storage chamber; 6. pushing the plate; 7. an air bag; 8. an oil outlet hole; 9. clamping teeth; 10. a base plate; 11. a spring; 12. a stopper; 13. a tightness adjusting mechanism; 14. an external incision; 15. an inner incision; 16. an outer tooth; 17. internal teeth; 18. a gear; 19. a rotating shaft; 20. an outer collar; 21. a handle; 22. a sealing layer; 23. and (4) a groove.

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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a piston ring with adjustable elasticity, includes piston 1, its characterized in that: the piston ring groove 2 is arranged outside the piston 1, the inner wall of the piston ring groove 2 is provided with a clamping hole 4, the piston ring 3 is sleeved outside the piston ring groove 2, the inner side of the piston ring 3 is provided with a clamping tooth 9, the bottom of the clamping tooth 9 is fixed with a bottom plate 10, a groove 23 is arranged below the clamping tooth 9, the groove 23 and the inner side of the bottom plate 10 are connected with a spring 11, two sides of the upper part of the groove 23 are provided with a stop dog 12, the clamping tooth 9 is meshed with the clamping hole 4, when in use, the piston ring 3 is sleeved in the piston ring groove 2 outside the piston 1, so that the clamping tooth 9 inside the piston ring 3 corresponds to the clamping hole 4 outside the piston ring groove 2, the piston ring 3 is prevented from rotating when the piston 1 moves, hydraulic oil leakage is caused, when the clamping hole 4 is shallow, the clamping tooth 9 moves towards the inner part of the groove 23, the spring 11 is compressed, elastic force in the opposite direction is generated, and the clamping connection between the clamping tooth 9 and the clamping hole 4 is tighter, the stop block 12 can prevent the latch 9 from separating from the groove 23, and has simple structure and good applicability;

the middle part of the piston ring 3 is provided with a tightness adjusting mechanism 13, the outer side of the piston ring 3 is provided with an outer notch 14, the inner side of the piston ring 3 is provided with an inner notch 15, the inner wall of the outer notch 14 is provided with outer teeth 16, the outer side of the inner notch 15 is provided with inner teeth 17, the inner teeth 17 are meshed with the middle part of the outer teeth 16 to form a gear 18, when the piston ring 3 is loose, the gear 18 rotates clockwise to drive the outer teeth 16 and the inner teeth 17 meshed with the gear to move, the outer notch 14 and the inner notch 15 move oppositely, the piston ring 3 starts to be tightened to prevent hydraulic oil from leaking, when the piston ring 3 is tight, the gear 18 rotates anticlockwise to drive the outer teeth 16 and the inner teeth 17 meshed with the gear to move, the outer notch 14 and the inner notch 15 move in opposite directions, the piston ring 3 starts to be loosened to prevent the piston ring 3 from being over-tight and breaking;

an oil storage cavity 5 is formed in the side wall of the piston 1, an air bag 7 is arranged inside the oil storage cavity 5, a push plate 6 is arranged on the side face of the air bag 7, an oil outlet 8 is formed above the oil storage cavity 5, lubricating oil is filled in the other side of the push plate 6 inside the oil storage cavity 5, the piston 1 can generate heat when moving in the piston cavity, the air bag 7 is heated and expanded, the push plate 6 is pushed to move, the lubricating oil is extruded to flow out along the oil outlet 8 above the oil storage cavity 5, the piston 1 is lubricated, and abrasion of the piston 1 is effectively reduced;

an outer sleeve ring 20 is arranged outside the tightness adjusting mechanism 13, the upper part of the gear 18 is connected with a rotating shaft 19, the tail end of the rotating shaft 19 is provided with a handle 21, the rotating shaft 19 penetrates through the outer sleeve ring 20, when the tightness of the piston ring 3 is adjusted, the handle 21 is rotated, so that the rotating shaft 19 starts to rotate, the gear 18 at the tail end of the rotating shaft 19 is driven to start to rotate, the structure is simple, the operation is convenient, and the outer sleeve ring 20 can prevent the piston ring 3 from being damaged when the tightness is adjusted;

the sealing layer 22 is arranged outside the piston ring 3, so that the sealing performance is improved, and hydraulic oil is effectively prevented from leaking when the piston 1 moves;

the sealing layer 22 is made of rubber, so that the rubber has good elasticity, stable property, corrosion resistance and long service life.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A tightness-adjustable piston ring comprises a piston (1), and is characterized in that: the outside of piston (1) is provided with piston ring groove (2), the inner wall of piston ring groove (2) is provided with card hole (4), piston ring (3) have been cup jointed to the outside of piston ring groove (2), the inboard of piston ring (3) is provided with latch (9), the bottom of latch (9) is fixed with bottom plate (10), the below of latch (9) is provided with recess (23), the inboard of recess (23) and bottom plate (10) is connected with spring (11), the upper portion both sides of recess (23) are provided with dog (12), latch (9) mesh with card hole (4) mutually.

2. The tightness-adjustable piston ring according to claim 1, wherein: the middle part of piston ring (3) is provided with elasticity adjustment mechanism (13), the outside of piston ring (3) is provided with outer incision (14), the inboard of piston ring (3) is provided with interior incision (15), the inner wall of outer incision (14) is provided with external tooth (16), the outside of interior incision (15) is provided with internal tooth (17), the middle part meshing of internal tooth (17) and external tooth (16) has gear (18).

3. The tightness-adjustable piston ring according to claim 2, wherein: the lateral wall of piston (1) is provided with oil storage chamber (5), the inside in oil storage chamber (5) is provided with gasbag (7), the side of gasbag (7) is provided with push pedal (6), the top in oil storage chamber (5) is provided with oil outlet (8), the opposite side packing of the inside push pedal (6) in oil storage chamber (5) has lubricating oil.

4. A tightness-adjustable piston ring according to claim 3, wherein: the outside of elasticity adjustment mechanism (13) is provided with outer lantern ring (20), the upper portion of gear (18) is connected with pivot (19), handle (21) are installed to the end of pivot (19), outer lantern ring (20) is passed in pivot (19).

5. The tightness-adjustable piston ring according to claim 4, wherein: and a sealing layer (22) is arranged outside the piston ring (3).

6. The piston ring as set forth in claim 5, wherein: the sealing layer (22) is made of rubber.

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