CN217206848U

CN217206848U - Reduce leakproofness plunger of eccentric wear

Info

Publication number: CN217206848U
Application number: CN202220728485.6U
Authority: CN
Inventors: 应浩斌
Original assignee: Jiangsu Laiherun Roll Technology Co ltd
Current assignee: Jiangsu Laiherun Roll Technology Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-08-16
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a reduce leakproofness plunger of eccentric wear, connect the disk body including outer sleeve, first cell body, connecting rod and second, run through in the outer sleeve and be provided with the plunger main part, and the plunger main part is close to lower extreme department and is provided with first holding tank, is provided with first sealing washer in the first holding tank simultaneously, the connecting rod lower extreme runs through the setting in the connecting cylinder body, and is connected on connecting cylinder body and the outer sleeve, the connecting rod lower extreme is connected with the plunger bulk phase, and is connected with first connection disk body on the connecting rod. This reduce leakproofness plunger of eccentric wear, under the first cell body effect of setting up, the heat radiating area of multiplicable plunger main part improves the radiating effect, and coolant oil accessible oil inlet gets into and carries out the heat transfer with the plunger main part simultaneously to improve the cooling effect to the plunger main part, discharge through the oil-out, reduce the long-time wearing and tearing that cause because of the high temperature of plunger main part, the second cell body that sets up in addition further improves the heat effluvium in the outer sleeve.

Description

Reduce leakproofness plunger of eccentric wear

Technical Field

The utility model relates to a plunger technical field specifically is a reduce leakproofness plunger of eccentric wear.

Background

The plunger pump belongs to a positive displacement pump and a reciprocating pump. When the plunger piston works, the plunger piston does reciprocating motion in the plunger piston cylinder body, so that pressure difference generated by change of sealing volume in the plunger piston cylinder body is caused to convey fluid media to work, the plunger piston rubs with an outer sleeve in the reciprocating motion, heat is easily generated, the temperature of the plunger piston is easily increased to generate abrasion, and the service life of the plunger piston is influenced after the plunger piston is abraded.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reduce leakproofness plunger of eccentric wear to solve the plunger that provides in the above-mentioned background art in reciprocating motion, with the outer sleeve friction within a definite time, the easy heat production, the temperature rising of plunger produces wearing and tearing easily, after the plunger wearing and tearing, influences life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a sealing plunger piston for reducing eccentric wear, which comprises an outer sleeve, a first groove body, a connecting rod and a second connecting disc body,

a plunger main body is arranged in the outer sleeve in a penetrating mode, a first containing groove is formed in the plunger main body close to the lower end, and a first sealing ring is arranged in the first containing groove;

the connecting rod lower extreme runs through the setting in the connecting cylinder body, and connects the cylinder body and be connected with the outer sleeve upper end, the connecting rod lower extreme is connected with the plunger bulk phase, and the connecting rod upper end is connected with first connection disk body.

Preferably, the outer sleeve comprises a second groove body, an oil inlet and an oil outlet, the second groove body is formed in the outer side face of the outer sleeve, the oil inlet is formed in one side of the outer sleeve, and the oil outlet is formed in the other side of the outer sleeve.

Through adopting above-mentioned technical scheme, the second cell body increases the heat radiating area of outer sleeve, improves inside heat effluvium.

Preferably, the plunger main part is including second holding tank and second sealing washer, and the plunger main part is close to upper end department and is provided with the second holding tank, is provided with the second sealing washer in the second holding tank simultaneously.

Through adopting above-mentioned technical scheme, second seal ring section of thick bamboo second holding tank is installed on the plunger main part.

Preferably, first cell body is seted up on plunger main part lateral surface, and first cell body evenly distributed is in the plunger main part, and first cell body setting is between second holding tank and first holding tank simultaneously.

Through adopting above-mentioned technical scheme, the heat radiating area of multiplicable plunger main part of first cell body.

Preferably, the connecting rod is provided with the third holding tank including third holding tank and third sealing washer on the connecting rod, is provided with the third sealing washer in the third holding tank simultaneously.

Through adopting above-mentioned technical scheme, the third sealing washer reinforcing connecting rod department and connect the sealed between the barrel.

Preferably, the second connecting disc body is connected with the first connecting disc body through a bolt and a nut, and an external connector is arranged at the upper end of the second connecting disc body.

Through adopting above-mentioned technical scheme, the plunger main part passes through external connection head and external actuating mechanism connects.

Compared with the prior art, the beneficial effects of the utility model are that: the sealing plunger capable of reducing eccentric wear,

(1) the sealing performance between the plunger main body and the outer sleeve and between the plunger main body and the connecting cylinder body is improved under the action of the arranged first sealing ring and the arranged second sealing ring, in addition, the sealing performance at the connecting cylinder body is further improved when the plunger main body reciprocates, and the connecting rod is connected with the second connecting disc body through the first connecting disc body, the bolts and the nuts, so that the external connector can be conveniently replaced and used according to requirements;

(2) under the effect of the first groove body that sets up, the heat radiating area of multiplicable plunger main part improves the radiating effect, and cooling oil accessible oil inlet gets into simultaneously and carries out the heat transfer with the plunger main part to the improvement is discharged through the oil-out to the cooling effect of plunger main part, reduces the long-time wearing and tearing that cause because of high temperature of plunger main part, and the second groove body that sets up further improves the heat effluvium in the outer sleeve in addition.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the plunger body of the present invention.

In the figure: 1. outer sleeve, 101, second cell body, 102, oil inlet, 103, the oil-out, 2, plunger main part, 201, second holding tank, 202, second sealing washer, 3, first cell body, 4, first holding tank, 5, first sealing washer, 6, the connecting rod, 601, third holding tank, 602, third sealing washer, 7, connect the barrel, 8, first connection disk body, 9, second connection disk body, 10, bolt, 11, nut, 12, external connection head.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a sealing plunger for reducing eccentric wear is disclosed, as shown in fig. 1, fig. 2 and fig. 4, a plunger main body 2 is arranged in an outer sleeve 1 in a penetrating manner, a first accommodating groove 4 is arranged at a position, close to the lower end, of the plunger main body 2, a first sealing ring 5 is arranged in the first accommodating groove 4, the outer sleeve 1 comprises a second groove body 101, an oil inlet 102 and an oil outlet 103, the outer side surface of the outer sleeve 1 is provided with the second groove body 101, one side of the outer sleeve 1 is provided with the oil inlet 102, the other side of the outer sleeve 1 is provided with the oil outlet 103, cooling oil enters through the oil inlet 102 and can exchange heat with the plunger main body 2 to improve the cooling effect of the plunger, the plunger main body 2 comprises a second accommodating groove 201 and a second sealing ring 202, the plunger main body 2 is provided with the second accommodating groove 201 close to the upper end, a second sealing ring 202 is arranged in the second accommodating groove 201, and under the action of the second sealing ring 202, increase the leakproofness between plunger main part 2 and the connecting cylinder body 7, first cell body 3 is seted up on 2 lateral surfaces of plunger main part, and first cell body 3 evenly distributed is on plunger main part 2, and first cell body 3 sets up between second holding tank 201 and first holding tank 4 simultaneously, and plunger main part 2 increases heat radiating area under the effect of first cell body 3, improves the heat transfer effect with the coolant oil.

As shown in fig. 1, fig. 2 and fig. 3, the lower end of the connecting rod 6 is arranged in the connecting cylinder 7 in a penetrating manner, the connecting cylinder 7 is connected with the upper end of the outer sleeve 1, the connecting rod 6 comprises a third accommodating groove 601 and a third sealing ring 602, the third accommodating groove 601 is formed in the connecting rod 6, meanwhile, a third sealing ring 602 is arranged in the third accommodating groove 601, the third sealing ring 602 is installed on the connecting rod 6 through the third accommodating groove 601, the sealing performance between the connecting rod 6 and the connecting cylinder 7 is enhanced, and when the reciprocating motion of the plunger main body 2 is improved, the sealing effect at the position of the connecting cylinder 7 is improved.

As shown in fig. 1 and 2, the lower end of the connecting rod 6 is connected with the plunger body 2, the upper end of the connecting rod 6 is connected with the first connecting disc body 8, the second connecting disc body 9 is connected with the first connecting disc body 8 through a bolt 10 and a nut 11, the upper end of the second connecting disc body 9 is provided with an external connector 12, and according to requirements, a proper external connector 12 is selected to be connected and fixed with the first connecting disc body 8 through the second connecting disc body 9, the bolt 10 and the nut 11.

According to the requirement, a proper external connector 12 is selected, the external connector 12 is connected and installed through a second connecting disc body 9, a bolt 10, a nut 11 and a first connecting disc body 8, the external connector 12 is connected with an external driving mechanism, the plunger main body 2 is driven to reciprocate through the external driving mechanism and a connecting rod 6, the first sealing ring 5, the second sealing ring 202 and the third sealing ring 602 enhance the sealing performance during movement, the first groove body 3 increases the heat dissipation area of the plunger main body 2, cooling oil enters the plunger main body 2 through an oil inlet 102 to cool and is discharged through an oil outlet 103, the second groove body 101 increases the heat dissipation area of the outer side of the outer sleeve 1 to enhance the heat dissipation of the inner part of the outer sleeve 1, and the content which is not described in detail in the specification belongs to the prior art known by technicians in the field.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a reduce leakproofness plunger of eccentric wear, includes outer sleeve (1), first cell body (3), connecting rod (6) and second connection disk body (9), its characterized in that:

a plunger main body (2) penetrates through the outer sleeve (1), a first accommodating groove (4) is formed in the position, close to the lower end, of the plunger main body (2), and a first sealing ring (5) is arranged in the first accommodating groove (4);

the connecting rod (6) lower extreme runs through the setting in connecting cylinder body (7), and connects cylinder body (7) and outer sleeve (1) upper end and be connected, connecting rod (6) lower extreme is connected with plunger main part (2), and is connected with first connection disk body (8) on connecting rod (6).

2. The seal plunger of claim 1, wherein: the oil inlet structure is characterized in that the outer sleeve (1) comprises a second groove body (101), an oil inlet (102) and an oil outlet (103), the second groove body (101) is formed in the outer side face of the outer sleeve (1), the oil inlet (102) is formed in one side of the outer sleeve (1), and the oil outlet (103) is formed in the other side of the outer sleeve (1).

3. The seal plunger of claim 1, wherein: plunger main part (2) are including second holding tank (201) and second sealing washer (202), and plunger main part (2) are close to upper end department and are provided with second holding tank (201), are provided with second sealing washer (202) in second holding tank (201) simultaneously.

4. A reduced-eccentric-wear seal plunger according to claim 1 or 3, wherein: first cell body (3) are seted up on plunger main part (2) lateral surface, and first cell body (3) evenly distributed is on plunger main part (2), and first cell body (3) set up simultaneously between second holding tank (201) and first holding tank (4).

5. The seal plunger of claim 1, wherein: the connecting rod (6) comprises a third accommodating groove (601) and a third sealing ring (602), the third accommodating groove (601) is formed in the connecting rod (6), and the third sealing ring (602) is arranged in the third accommodating groove (601).

6. The seal plunger of claim 1, wherein: the second connecting tray body (9) is connected with the first connecting tray body (8) through a bolt (10) and a nut (11), and an external connector (12) is arranged at the upper end of the second connecting tray body (9).