CN215172170U

CN215172170U - Novel piston assembly structure

Info

Publication number: CN215172170U
Application number: CN202121220706.0U
Authority: CN
Inventors: 王贺; 张启霆; 齐有娇
Original assignee: Bengbu Ruixing Compressor Co ltd
Current assignee: Bengbu Ruixing Compressor Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-14
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a novel piston assembly structure belongs to the compressor field, a novel piston assembly structure, including the connecting block, the right side fixedly connected with piston rod of connecting block, the assembly groove has been seted up admittedly in the outside of piston rod, the inside in assembly groove is provided with the spacer ring that the equidistance was arranged, and is adjacent be provided with the piston ring between the spacer ring. The utility model discloses a can be connected piston rod and outside power crankshaft connecting rod through the connecting block, establish the outside at the piston rod through the assembly groove cover in proper order with spacer ring and piston ring and subassembly earlier, then compress tightly fixedly with subassembly such as individual spacer ring and piston ring from the right-hand member of piston rod, then with the left side and the outside power crankshaft connecting rod swing joint of connecting block to it is good to make the device possess simple to operate suitability, and the spoilage is low and is reduced the cost, the advantage that the performance is possible.

Description

Novel piston assembly structure

Technical Field

The utility model relates to a compressor field, more specifically say, relate to a novel piston assembly structure.

Background

The existing piston assembly structure has the following disadvantages: the iron piston ring is difficult to install, and the piston ring can be sleeved in the piston only by breaking off the piston ring with great force; the iron ring is relatively fragile, and the iron ring is easily broken in the process of breaking the iron ring with force.

The piston assembly structure widely used at present (as shown in fig. 1) is formed by sleeving a piston ring (02) into a piston (01) with a larger outer diameter, and the structure has a plurality of disadvantages:

(1) installation is cumbersome and difficult;

(2) the damage rate is higher.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a novel piston assembly structure to solve the trouble and difficulty of installation among the prior art, the higher incremental cost of spoilage, problem that the performance reliability is low.

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a novel piston assembly structure, includes the connecting block, the right side fixedly connected with piston rod of connecting block, the assembly groove has been seted up admittedly in the outside of piston rod, the inside of assembly groove is provided with the spacer ring that the equidistance was arranged, and is adjacent be provided with the piston ring between the spacer ring.

As a further description of the above technical solution: the piston ring is internally provided with a lining ring which is sleeved outside the piston rod, and the left side and the right side of the lining ring are respectively in close contact with one side of the two adjacent spacer rings opposite to each other.

As a further description of the above technical solution: the right side of the connecting block is provided with a mounting groove, the right end of the piston rod is inserted into the mounting groove, and the right end of the piston rod is fixedly connected with the inside of the mounting groove through a bolt.

As a further description of the above technical solution: the right end of the piston rod is provided with a sealing cap, the left side of the sealing cap is in close contact with the right side of the rightmost spacer ring, the top of the sealing cap is inserted with a pin rod, and the bottom end of the pin rod is inserted into the piston rod.

As a further description of the above technical solution: the inside of connecting block sets up the fixed pin, fixed pin and outside power crankshaft connecting rod swing joint.

As a further description of the above technical solution: the connecting groove has been seted up in the left side of connecting block, logical oil groove has been seted up in the outside of connecting block, it is linked together with the connecting groove to lead to the oil groove.

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can be connected piston rod and outside power crankshaft connecting rod through the connecting block, establish the outside at the piston rod through the assembly groove cover with spacer ring and piston ring and subassembly in proper order in turn earlier, then compress tightly fixedly with subassembly such as individual spacer ring and piston ring from the right-hand member of piston rod, then with the left side and outside power crankshaft connecting rod swing joint of connecting block, the right side and the piston rod fixed connection of connecting block, accomplish the piston assembly, thereby it is good to make the device possess simple to operate suitability, the spoilage reduces the cost, the possible advantage of performance, the troublesome poeration of installation and difficulty among the prior art have been solved, the higher incremental cost of spoilage, the problem of performance reliability low.

(2) This scheme is fixed a position the piston ring through the setting of bushing ring in the inboard of piston ring for the installation of piston ring is firm more accurate, the installation of being convenient for simultaneously.

(3) This scheme can make things convenient for being connected of piston rod and connecting block to fix through the mounting groove for the device is convenient to be fixed a position the installation to the piston rod.

(4) This scheme is used through the cooperation of sealing cap and pin rod, with the right-hand member of sealing cap joint at the piston rod to make it compress tightly the spacer ring, then peg graft the pin rod and lock it to the inside of sealing cap and piston rod, make the installation of device more firm, the simple operation.

(5) This scheme is through fixed pin and outside power bent axle connecting rod swing joint, on the elliptic motion power rotation conversion of bent axle becomes linear motion transmission to the connecting block, drives the piston rod by the connecting block again and is stable linear motion for the transmission efficiency of device is higher, reduces the inside wearing and tearing of device.

(6) This scheme uses through the spread groove and the cooperation that leads to the oil groove, is in the spread groove internal motion and drives connecting block reciprocating motion at the junction of bent axle connecting rod and fixed pin, and the inside fluid of connecting block extrusion device makes its inside that gets into the spread groove, because pressure action makes the inside fluid of spread groove enter into the connecting block through leading to the oil groove and lubricate between the device is inside for the structure of device is more reasonable, reduces the device wearing and tearing.

Drawings

FIG. 1 is a schematic front sectional view of a prior art;

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

fig. 3 is an enlarged view of the part a in fig. 2.

The reference numbers in the figures illustrate:

1. connecting blocks; 2. a piston rod; 3. a spacer ring; 4. a piston ring; 5. sealing the cap; 6. a liner ring; 7. assembling a groove; 8. a fixing pin; 9. connecting grooves; 10. an oil groove is communicated; 11. a pin rod; 12. and (4) mounting the groove.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention;

please refer to fig. 2-3, in the present invention, a novel piston assembly structure, comprises a connecting block 1, a piston rod 2 fixedly connected to the right side of the connecting block 1, an assembling groove 7 fixedly disposed on the outer side of the piston rod 2, a spacer ring 3 arranged at equal intervals inside the assembling groove 7, and a piston ring 4 disposed between the adjacent spacer rings 3.

The utility model discloses in, can be connected piston rod 2 with outside power crankshaft connecting rod through connecting block 1, establish the outside at piston rod 2 with spacer ring 3 and piston ring 4 and subassembly through 7 covers in the assembly groove in proper order in turn earlier, then compress tightly fixedly with subassembly such as individual spacer ring 3 and piston ring 4 from piston rod 2's right-hand member, then with connecting block 1's left side and outside power crankshaft connecting rod swing joint, connecting block 1's right side and piston rod 2 fixed connection, accomplish the piston assembly, thereby it is good to make the device possess simple to operate suitability, the spoilage reduces the cost, the possible advantage of performance, the troublesome and difficulty of installation among the prior art has been solved, the higher incremental cost of spoilage, the problem of performance reliability low.

Please refer to fig. 3, in which: the inside of piston ring 4 is provided with liner ring 6, and liner ring 6 cover is located the outside of piston rod 2, and the left and right sides of liner ring 6 respectively with two adjacent spacer ring 3 opposite one side in close contact with.

The utility model discloses in, fix a position piston ring 4 through the inboard of backing ring 6 setting at piston ring 4 for piston ring 4's installation is firm more accurate, is convenient for simultaneously install.

Please refer to fig. 2, in which: mounting groove 12 has been seted up on connecting block 1's right side, and the right-hand member of piston rod 2 is pegged graft to the inside of mounting groove 12, and the inside fixed connection of bolt and mounting groove 12 is passed through to the piston rod 2 right-hand member.

The utility model discloses in, can make things convenient for being connected of piston rod 2 and connecting block 1 fixed through mounting groove 12 for the device is convenient to fix a position the installation to piston rod 2.

Please refer to fig. 2, in which: the right-hand member of piston rod 2 is provided with sealing cap 5, and the left side of sealing cap 5 and the right side in close contact with of the spacer ring 3 on rightmost side, and the top of sealing cap 5 is pegged graft and is had pin rod 11, and the bottom of pin rod 11 is pegged graft to the inside of piston rod 2.

The utility model discloses in, use through the cooperation of sealing cap 5 with pin rod 11, with the right-hand member of sealing cap 5 joint at piston rod 2 to make it compress tightly spacer ring 3, then peg graft pin rod 11 and lock it to sealing cap 5 and piston rod 2's inside and die, make the installation of device more firm, the simple operation.

Please refer to fig. 2, in which: the inside of connecting block 1 sets up fixed pin 8, fixed pin 8 and outside power crankshaft connecting rod swing joint.

The utility model discloses in, through fixed pin 8 and outside power bent axle connecting rod swing joint, on the elliptic motion power rotation conversion of bent axle becomes linear motion transmission to connecting block 1, drive piston rod 2 by connecting block 1 again and be stable linear motion for the transmission efficiency of device is higher, reduces the inside wearing and tearing of device.

Please refer to fig. 2, in which: connecting groove 9 has been seted up in the left side of connecting block 1, and logical oil groove 10 has been seted up in the outside of connecting block 1, leads to oil groove 10 and is linked together with connecting groove 9.

The utility model discloses in, use through the cooperation of spread groove 9 and logical oil groove 10, be in spread groove 9 internal motion and drive connecting block 1 reciprocating motion at the connecting of bent axle connecting rod and fixed pin 8, the inside fluid of connecting block 1 extrusion device makes its inside that gets into spread groove 9, because pressure effect makes the inside fluid of spread groove 9 enter into connecting block 1 and device through leading to oil groove 10 and lubricate between inside, make the structure of device more reasonable, reduce the device wearing and tearing.

The working principle is as follows: when in use, the spacer ring 3, the piston ring 4 and the lining ring 6 are sequentially and alternately sleeved outside the piston rod 2 through the assembling groove 7, then the sealing cap 5 is clamped at the right end of the piston rod 2 and is tightly pressed against the spacer ring 3, then the pin rod 11 is inserted into the sealing cap 5 and the piston rod 2 to be locked, then the left side of the connecting block 1 is movably connected with the external power crankshaft connecting rod, the right side of the connecting block 1 is fixedly connected with the piston rod 2, the connecting position of the crankshaft connecting rod and the fixing pin 8 moves in the connecting groove 9 and drives the connecting block 1 to reciprocate, the connecting block 1 extrudes oil in the device to enable the oil in the connecting groove 9 to enter the connecting block 1 and lubricate the device through the oil through groove 10, so that the device has the advantages of convenient installation, good adaptability and low damage rate and low cost, the potential advantage of performance has solved the trouble and difficulty of installation among the prior art, and the spoilage is higher increases cost, the problem that the performance reliability is low.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a novel piston assembly structure, includes connecting block (1), its characterized in that: the right side fixedly connected with piston rod (2) of connecting block (1), assembly groove (7) have been seted up admittedly in the outside of piston rod (2), the inside of assembly groove (7) is provided with spacer ring (3) that the equidistance was arranged, and is adjacent be provided with piston ring (4) between spacer ring (3).

2. The novel piston assembly structure of claim 1, wherein: the piston ring is characterized in that a lining ring (6) is arranged inside the piston ring (4), the lining ring (6) is sleeved on the outer side of the piston rod (2), and the left side and the right side of the lining ring (6) are respectively in close contact with the opposite sides of the two adjacent spacer rings (3).

3. The novel piston assembly structure of claim 1, wherein: mounting groove (12) have been seted up on the right side of connecting block (1), the right-hand member of piston rod (2) is inserted to the inside of mounting groove (12), the inside fixed connection of bolt and mounting groove (12) is passed through to piston rod (2) right-hand member.

4. The novel piston assembly structure of claim 1, wherein: the right end of the piston rod (2) is provided with a sealing cap (5), the left side of the sealing cap (5) is in close contact with the right side of the rightmost spacer ring (3), a pin rod (11) is inserted into the top of the sealing cap (5), and the bottom end of the pin rod (11) is inserted into the piston rod (2).

5. The novel piston assembly structure of claim 1, wherein: the inside of connecting block (1) sets up fixed pin (8), fixed pin (8) and outside power crankshaft connecting rod swing joint.

6. The novel piston assembly structure of claim 1, wherein: connecting groove (9) have been seted up in the left side of connecting block (1), logical oil groove (10) have been seted up in the outside of connecting block (1), logical oil groove (10) are linked together with connecting groove (9).