CN217582688U

CN217582688U - Improved plunger connecting mechanism

Info

Publication number: CN217582688U
Application number: CN202221600024.7U
Authority: CN
Inventors: 李虓
Original assignee: Wuxi Dalishi High Pressure Cleaning Equipment Co ltd
Current assignee: Wuxi Dalishi High Pressure Cleaning Equipment Co ltd
Priority date: 2022-06-25
Filing date: 2022-06-25
Publication date: 2022-10-14
Anticipated expiration: 2032-06-25

Abstract

The utility model discloses an improved generation plunger coupling mechanism, including plunger rod and transfer line, be provided with coupling assembling between plunger rod and the transfer line, it cup joints in the outer wall of plunger rod to connect the casing slip, the one end fixedly connected with arc piece of plunger rod, the outer wall slip of plunger rod has cup jointed the flat bearing, the outer wall fixed joint of plunger rod has the location lantern ring, the outer wall slip of plunger rod has cup jointed three belleville spring, three belleville spring is located between flat bearing and the location lantern ring, the spread groove has been seted up to one side of connecting the casing inner chamber, one side of flat bearing is laminated with one side of spread groove inner wall mutually. The utility model discloses utilize the cooperation of plunger rod, transfer line and coupling assembling to use, the circular arc piece can make the point that plunger rod and transfer line contact be in central line position department all the time, and flat bearing and belleville spring cooperation use, can avoid the plunger rod to rotate, makes belleville spring receive a tension to guarantee the tensile stability of belleville spring during operation.

Description

Improved plunger connecting mechanism

Technical Field

The utility model relates to a plunger field, in particular to improved generation plunger coupling mechanism.

Background

When the plunger is used and operated, the plunger is usually matched with the transmission rod, the cylinder body, the connecting rod and the crankshaft for operation, the plunger is usually fixedly arranged at one end of the transmission rod in a threaded mode, so that the stress point of the plunger is unbalanced due to error and reciprocating motion of the plunger, the stress between sealing gaskets between the plunger and the cylinder body is different, the friction force between the plunger and the cylinder body is increased, and the service life of the plunger is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improved generation plunger coupling mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an improved plunger connecting mechanism comprises a plunger rod and a transmission rod, wherein a connecting assembly is arranged between the plunger rod and the transmission rod;

the connecting assembly comprises a connecting shell, the connecting shell is sleeved on the outer wall of the plunger rod in a sliding mode, one end of the plunger rod is fixedly connected with an arc block, the outer wall of the plunger rod is sleeved with a plane bearing in a sliding mode, a positioning sleeve ring is fixedly clamped on the outer wall of the plunger rod, three disc springs are sleeved on the outer wall of the plunger rod in a sliding mode and located between the plane bearing and the positioning sleeve ring.

Preferably, a connecting groove is formed in one side of the inner cavity of the connecting shell, and one side of the plane bearing is attached to one side of the inner wall of the connecting groove.

Preferably, a bearing groove is formed in one end of the transmission rod, an external thread is formed in one end of the outer wall of the connecting shell, and the connecting shell is in threaded sleeve connection with an inner cavity of the bearing groove through the external thread.

Preferably, a thread groove is formed in one side of the inner wall of the bearing groove, a fixing block is sleeved on an inner cavity thread of the thread groove, one side of the fixing block is attached to the arc block, and rectangular grooves are symmetrically formed in one side of the fixing block.

Preferably, the outer wall of the plunger rod is provided with an annular groove, the outer wall of the plunger rod is sleeved with a limiting buckle, and one side of the inner cavity of the positioning lantern ring is provided with a groove.

Preferably, the inner wall of the limiting buckle is in sliding clamping connection with the inner cavity of the annular groove, and the outer wall of the limiting buckle is in sliding clamping connection with the grooved inner cavity.

The utility model discloses a technological effect and advantage:

the utility model discloses utilize the cooperation of plunger rod, transfer line and coupling assembling to use, coupling assembling is including connecting casing, flat bearing, belleville spring, the position sleeve ring and circular arc piece, and the circular arc piece can make the point that plunger rod and transfer line contact be in central line position department all the time, and flat bearing and belleville spring cooperation use, can avoid the plunger rod to rotate, makes belleville spring receive a tension to guarantee the tensile stability of belleville spring during operation.

Drawings

Fig. 1 is a schematic view of the front internal structure of the present invention.

Fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention.

Fig. 3 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: 1. a plunger rod; 2. a transmission rod; 3. a connecting assembly; 31. connecting the shell; 32. a flat bearing; 33. a disc spring; 34. a positioning collar; 35. an arc block; 36. connecting grooves; 37. a bearing groove; 38. a fixed block; 39. a rectangular groove; 310. an annular groove; 311. grooving; 312. and a limiting buckle.

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.

The utility model provides an improved generation plunger coupling mechanism as shown in fig. 1-3, including plunger rod 1 and transfer line 2, be provided with coupling assembling 3 between plunger rod 1 and the transfer line 2.

The connecting assembly 3 comprises a connecting shell 31, the connecting shell 31 is sleeved on the outer wall of the plunger rod 1 in a sliding mode, one end of the plunger rod 1 is fixedly connected with an arc block 35, the arc block 35 is in contact with a fixing block 38 at one end of the transmission rod 2, so that the center position of one end of the plunger rod 1 is in contact with one end of the plunger rod 1, the plunger rod 1 is balanced in stress, and the moving stability of the plunger rod 1 is ensured, the outer wall of the plunger rod 1 is sleeved with a plane bearing 32 in a sliding mode, a positioning sleeve ring 34 is fixedly clamped on the outer wall of the plunger rod 1, the positioning sleeve ring 34 can ensure the stability of the disc spring 33 and the plane bearing 32 inside the connecting shell 31, the plane bearing 32 can enable the disc spring 33 to rotate relative to the surface in contact with the plane bearing, and therefore the disc spring 33 is prevented from being subjected to a twisting force when the plunger rod 1 rotates, the plane bearing 32 can release the tension of the disc spring 33, three disc springs 33 are sleeved on the outer wall of the plunger rod 1 in a sliding mode, and the three disc springs 33 are located between the plane bearing 32 and the positioning sleeve ring 34.

Connecting groove 36 has been seted up to one side of connecting the casing 31 inner chamber, one side of flat bearing 32 is laminated with one side of connecting groove 36 inner wall mutually, bearing groove 37 has been seted up to the one end of transfer line 2, the external screw thread has been seted up to the one end of connecting the casing 31 outer wall, connect casing 31 and bear the inner chamber screw thread of groove 37 through the external screw thread and cup joint, the thread groove has been seted up to one side of bearing groove 37 inner wall, the inner chamber screw thread of thread groove has cup jointed fixed block 38, one side and the laminating of circular arc piece 35 of fixed block 38 mutually, rectangular channel 39 has been seted up to one side symmetry of fixed block 38, utilize rectangular channel 39 slip joint on instrument and the fixed block 38, then utilize the instrument to drive fixed block 38 to rotate, just can dismantle it, thereby dismantle the change to the fixed block.

The outer wall of the plunger rod 1 is provided with an annular groove 310, the outer wall of the plunger rod 1 is sleeved with a limiting buckle 312, one side of the inner cavity of the positioning sleeve ring 34 is provided with a notch 311, the inner wall of the limiting buckle 312 is in sliding clamping connection with the inner cavity of the annular groove 310, the outer wall of the limiting buckle 312 is in sliding clamping connection with the inner cavity of the notch 311, under the action of the belleville spring 33, the positioning sleeve ring 34 has an acting force towards the direction of the transmission rod 2, so that the notch 311 on one side of the inner wall of the positioning sleeve ring 34 can limit the shape of the limiting buckle 312, the limiting buckle 312 can be stably clamped inside the annular groove 310 on the outer wall of the plunger rod 1 at the moment, the limiting buckle 312 is in a circular ring shape, a fracture part is formed in the limiting buckle 312, when the connecting shell 31 is disassembled, the positioning sleeve ring 34 is pushed to be separated from the limiting buckle 312, and the limiting buckle 312 can be separated from the annular groove 310 on the outer wall of the plunger rod 1 without limitation of the positioning sleeve ring 34, so that the connecting shell is disassembled or installed.

The utility model discloses the theory of operation: when the plunger rod 1 and the transmission rod 2 are connected, firstly, the plunger rod 1 is in sliding sleeve connection with the connecting shell 31, then, one end of the plunger rod 1 is in sliding sleeve connection with one flat bearing 32, one side of the flat bearing 32 is attached to one side of the inner wall of the connecting shell 31, then, three belleville springs 33 are in sliding sleeve connection with the outer wall of the plunger rod 1, then, the positioning sleeve ring 34 is in sliding sleeve connection with the plunger rod 1, then, the limiting buckle 312 is in sliding clamping connection with the annular groove 310 in the outer wall of the plunger rod 1, the connecting stability of the positioning sleeve ring 34 and the plunger rod 1 is further ensured, finally, the connecting shell 31 is in threaded sleeve connection with one end of the outer wall of the transmission rod 1, when the transmission rod 2 drives the plunger rod 1 to move, the fixing block 38 gives a central point contact force to the plunger rod 1, so that the plunger rod 1 is subjected to a central acting force, the stability of the movement of the plunger rod is ensured, and when the plunger rod 1 rotates relative to the transmission rod 1 and the connecting shell 31, the flat bearing 32 can release the tension of the belleville springs 33, so that the balance of the force applied to the plunger rod 1 is ensured again, and the service life of the sealing gasket connected with the plunger rod 1 is ensured.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. An improved plunger connecting mechanism comprises a plunger rod (1) and a transmission rod (2), and is characterized in that a connecting assembly (3) is arranged between the plunger rod (1) and the transmission rod (2);

coupling assembling (3) are including connecting casing (31), connect casing (31) slip cup joint in the outer wall of plunger rod (1), the one end fixedly connected with circular arc piece (35) of plunger rod (1), the outer wall slip of plunger rod (1) has cup jointed flat bearing (32), the outer wall fixed joint of plunger rod (1) has the location lantern ring (34), the outer wall slip of plunger rod (1) has cup jointed three belleville spring (33), and is three belleville spring (33) are located between flat bearing (32) and the location lantern ring (34).

2. The improved plunger coupling mechanism of claim 1, wherein the coupling housing (31) has a coupling groove (36) formed at one side of the inner cavity, and the flat bearing (32) has one side abutting against one side of the inner wall of the coupling groove (36).

3. The improved plunger connecting mechanism as claimed in claim 1, wherein one end of the driving rod (2) is provided with a bearing groove (37), one end of the outer wall of the connecting shell (31) is provided with an external thread, and the connecting shell (31) is in threaded sleeve connection with the inner cavity of the bearing groove (37) through the external thread.

4. The improved plunger connecting mechanism according to claim 3, wherein a threaded groove is formed in one side of the inner wall of the bearing groove (37), a fixing block (38) is sleeved in an inner cavity of the threaded groove in a threaded manner, one side of the fixing block (38) is attached to the arc block (35), and a rectangular groove (39) is symmetrically formed in one side of the fixing block (38).

5. The improved plunger connecting mechanism as claimed in claim 1, wherein the outer wall of the plunger rod (1) is provided with an annular groove (310), the outer wall of the plunger rod (1) is sleeved with a limit buckle (312), and one side of the inner cavity of the positioning lantern ring (34) is provided with a slot (311).

6. The improved plunger coupling mechanism of claim 5, wherein the inner wall of the limiting buckle (312) is slidably clamped with the inner cavity of the annular groove (310), and the outer wall of the limiting buckle (312) is slidably clamped with the inner cavity of the slot (311).