CN211598972U

CN211598972U - Prevent plunger pump that leakproofness of draining is good

Info

Publication number: CN211598972U
Application number: CN201922120393.0U
Authority: CN
Inventors: 王义秀
Original assignee: Tianjin Qili Petroleum Engineering Technology Service Co ltd
Current assignee: Tianjin Qili Petroleum Engineering Technology Service Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-09-29
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a prevent plunger pump that leakproofness of draining is good, including cylinder body and inlet, the plunger pipeline has been seted up to the inside one side of cylinder body, and the terminal parcel of plunger pipeline has rubber folding cover, the inside plunger that is connected with of rubber folding cover, rubber folding cover surface is hugged closely all around has sealed the pad, and sealed inside the penetrating of pad has the gim peg, the inlet is seted up in the cylinder body upper surface, and the inside rubber sleeve that is provided with of inlet, the inlet top is connected with fixed platform, fixed platform upper surface is hugged closely has the holding piece, pivot outer wall parcel has rotatory piece. This prevent plunger pump plunger that leakproofness of draining is good when reciprocating motion is carried out inside the cylinder body along the plunger pipeline, the plunger can drive rubber folding sleeve and stretch out and draw back together, because rubber folding sleeve hugs closely in the plunger pipeline end, and the internal orifice size of rubber folding sleeve is greater than the external orifice size of plunger pipeline, is favorable to preventing to produce the clearance between plunger and the cylinder body, is favorable to avoiding fluid to reveal.

Description

Prevent plunger pump that leakproofness of draining is good

Technical Field

The utility model relates to a plunger pump technical field specifically is a prevent plunger pump that leakproofness of draining is good.

Background

The plunger pump is an important device of a hydraulic system, and realizes oil absorption and oil pressing by changing the volume of a sealed working cavity through the reciprocating motion of a plunger in a cylinder body. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like, and is widely applied to occasions with high pressure, large flow and flow regulation, such as hydraulic machines, engineering machinery and ships.

The plunger pump of current is because the plunger reciprocating motion needs and the cylinder body in the cylinder body between certain clearance, however this clearance easily leads to the inside fluid of cylinder body to reveal, and inside the feed liquor pipe direct insert cylinder body basically, easily leads to because of the insecure phenomenon that drops that produces of feed liquor union coupling, to above-mentioned condition, we have provided a plunger pump that the leakproofness that prevents the draining is good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent plunger pump that leakproofness of draining is good to provide general plunger pump in solving above-mentioned background art because the plunger reciprocating motion needs and the cylinder body in the cylinder body between have certain clearance, nevertheless this clearance easily leads to the inside fluid of cylinder body to reveal, and inside the basic disect insertion cylinder body of feed liquor pipe, easily leads to the problem of the phenomenon that drops because of the insecure production of feed liquor union coupling.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent plunger pump that leakproofness of draining is good, includes cylinder body and inlet, the plunger pipeline has been seted up to the inside one side of cylinder body, and the terminal parcel of plunger pipeline has rubber folding cover, the inside plunger that is connected with of rubber folding cover, rubber folding cover is hugged closely all around the surface has sealed the pad, and sealed inside the pad runs through there is the gim peg, the inlet is seted up in the cylinder body upper surface, and the inside rubber sleeve that is provided with of inlet, the inlet top is connected with fixed platform, and the inside feed liquor pipe that runs through of fixed platform, fixed platform upper surface is hugged closely has the holding piece, and fixed platform upper surface one side is fixed with the pivot, pivot outer wall parcel has rotatory piece.

Preferably, the rubber folding sleeve forms a telescopic structure through the plunger and the cylinder body, and the rubber folding sleeve is of a folding structure.

Preferably, the size of the inner opening of the rubber folding sleeve is larger than that of the outer opening of the plunger pipeline, and the rubber folding sleeve forms a fixing structure with the cylinder body through a fixing bolt.

Preferably, the inner wall of the liquid inlet is attached to the outer wall of the rubber sleeve, and the cross section of the rubber sleeve is of an inclined structure.

Preferably, the vertical central line of the liquid inlet pipe and the vertical central line of the liquid inlet are overlapped, and the liquid inlet pipe forms a sealing structure with the liquid inlet through the rubber sleeve.

Preferably, the rotating block forms a rotating structure through a rotating shaft, and the lower surface of the rotating block is attached to the upper surface of the clamping piece.

Compared with the prior art, the beneficial effects of the utility model are that: this prevent plunger pump plunger that leakproofness of draining is good when reciprocating motion is carried out inside the cylinder body along the plunger pipeline, the plunger can drive rubber folding cover and stretch out and draw back together, because rubber folding cover hugs closely in the plunger pipeline end, and the internal orifice size of rubber folding cover is greater than the external orifice size of plunger pipeline, is favorable to preventing to produce the clearance between plunger and the cylinder body, is favorable to avoiding fluid to reveal.

This prevent plunger pump feed liquor pipe that leakproofness of draining is good can receive the extrusion of rubber sleeve when inserting inside the inlet, and feed liquor pipe outer wall and the inseparable laminating of rubber sleeve inner wall are favorable to improving the leakproofness between feed liquor pipe and the inlet this moment, and the transversal slope structure of personally submitting of rubber sleeve are favorable to adapting to the feed liquor pipe of different specification diameters.

This prevent plunger pump feed liquor pipe that leakproofness of draining is good when inserting the inlet inside, the holding piece lower surface of feed liquor pipe outer wall hugs closely in the fixed platform upper surface, makes it use the pivot as centre of a circle anticlockwise rotation through anticlockwise promotion rotatory piece to be fixed in the holding piece between rotatory piece and the fixed platform, be favorable to strengthening the firmness of being connected between feed liquor pipe and the inlet, be favorable to preventing that the feed liquor pipe from producing from the inside condition that drops of inlet.

Drawings

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

FIG. 2 is a schematic top view of the fixing platform of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a cylinder body; 2. a plunger tube; 3. a rubber folding sleeve; 4. a plunger; 5. a gasket; 6. a fixing bolt; 7. a liquid inlet; 8. a rubber sleeve; 9. a fixed platform; 10. a liquid inlet pipe; 11. a clamping piece; 12. a rotating shaft; 13. the block is rotated.

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. 1-3, the present invention provides a technical solution: a plunger pump with good oil leakage prevention performance comprises a cylinder body 1 and a liquid inlet 7, a plunger pipeline 2 is arranged on one side inside the cylinder body 1, a rubber folding sleeve 3 wraps the tail end of the plunger pipeline 2, a plunger 4 is connected inside the rubber folding sleeve 3, the rubber folding sleeve 3 forms a telescopic structure with the cylinder body 1 through the plunger 4, the rubber folding sleeve 3 is of a folding structure, when the plunger 4 reciprocates inside the cylinder body 1 along the plunger pipeline 2, the plunger 4 can drive the rubber folding sleeve 3 to stretch together, the rubber folding sleeve 3 is tightly attached to the tail end of the plunger pipeline 2, the size of an inner opening of the rubber folding sleeve 3 is larger than that of an outer opening of the plunger pipeline 2, the plunger 4 and the cylinder body 1 are prevented from generating a gap, leakage of oil is avoided, and the rubber folding sleeve 3 is of a folding structure and can stretch conveniently;

the sealing gasket 5 is tightly attached to the peripheral surface of the rubber folding sleeve 3, the fixing bolt 6 penetrates through the sealing gasket 5, the size of an inner opening of the rubber folding sleeve 3 is larger than that of an outer opening of the plunger pipeline 2, the rubber folding sleeve 3 forms a fixing structure with the cylinder body 1 through the fixing bolt 6, the rubber folding sleeve 3 is fixed on the inner wall of the cylinder body 1 through the fixing bolt 6, the sealing gasket 5 is arranged at the contact position of the fixing bolt 6 and the rubber folding sleeve 3, and the sealing gasket 5 is favorable for improving the sealing property between the rubber folding sleeve 3 and the fixing bolt 6;

the liquid inlet 7 is arranged on the upper surface of the cylinder body 1, the rubber sleeve 8 is arranged in the liquid inlet 7, the inner wall of the liquid inlet 7 is jointed with the outer wall of the rubber sleeve 8, the cross section of the rubber sleeve 8 is of an inclined structure, the top of the liquid inlet 7 is connected with a fixed platform 9, a liquid inlet pipe 10 penetrates through the fixed platform 9, the vertical central line of the liquid inlet pipe 10 and the vertical central line of the liquid inlet 7 are mutually overlapped, and the liquid inlet pipe 10 forms a sealing structure with the liquid inlet 7 through the rubber sleeve 8, the liquid inlet pipe 10 is extruded by the rubber sleeve 8 when inserted into the liquid inlet 7, at the moment, the outer wall of the liquid inlet pipe 10 is tightly attached to the inner wall of the rubber sleeve 8, which is beneficial to improving the sealing property between the liquid inlet pipe 10 and the liquid inlet 7, and the cross section of the rubber sleeve 8 is of an inclined structure, which is beneficial to being suitable for liquid inlet pipes 10 with different specifications and diameters, the inner wall of the liquid inlet 7 is attached to the outer wall of the rubber sleeve 8, so that the sealing effect between the liquid inlet 7 and the liquid inlet pipe 10 is improved;

fixed platform 9 upper surface is hugged closely has holding piece 11, and fixed platform 9 upper surface one side is fixed with pivot 12, pivot 12 outer wall parcel has rotatory piece 13, rotatory piece 13 constitutes revolution mechanic through pivot 12, and the lower surface of rotatory piece 13 is laminated with the upper surface of holding piece 11 mutually, when feed liquor pipe 10 inserts inlet 7 inside, the 11 lower surfaces of holding piece of feed liquor pipe 10 outer wall are hugged closely in fixed platform 9 upper surface, it uses pivot 12 to be anticlockwise rotation through anticlockwise promotion rotatory piece 13, thereby be fixed in between rotatory piece 13 and the fixed platform 9 holding piece 11, be favorable to strengthening the firmness of being connected between feed liquor pipe 10 and the inlet 7, be favorable to preventing that feed liquor pipe 10 from producing from the inside condition that drops of inlet 7.

The working principle is as follows: when the plunger pump with good oil leakage prevention performance is used, firstly, the liquid inlet pipe 10 is inserted into the liquid inlet 7, at the moment, the liquid inlet pipe 10 is extruded by the rubber sleeve 8, the outer wall of the liquid inlet pipe 10 is tightly attached to the inner wall of the rubber sleeve 8, which is beneficial to improving the sealing performance between the liquid inlet pipe 10 and the liquid inlet 7, the cross section of the rubber sleeve 8 is of an inclined structure, which is beneficial to adapting to the liquid inlet pipes 10 with different specification diameters, meanwhile, the lower surface of the clamping piece 11 on the outer wall of the liquid inlet pipe 10 is tightly attached to the upper surface of the fixed platform 9, then, the rotating block 13 is pushed anticlockwise to rotate anticlockwise by taking the rotating shaft 12 as the circle center, so that the clamping piece 11 is fixed between the rotating block 13 and the fixed platform 9, which is beneficial to enhancing the firmness of connection between the liquid inlet pipe 10 and the liquid inlet 7, which is beneficial to preventing the liquid inlet pipe 10 from falling off, plunger 4 can drive rubber folding sleeve 3 and stretch out and draw back together, because rubber folding sleeve 3 hugs closely in 2 ends of plunger pipeline, and the internal orifice size of rubber folding sleeve 3 is greater than plunger pipeline 2's external orifice size, is favorable to preventing to produce the clearance between plunger 4 and the cylinder body 1, is favorable to avoiding fluid to reveal.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent plunger pump that leakproofness of draining is good, includes cylinder body (1) and inlet (7), its characterized in that: plunger pipeline (2) have been seted up to inside one side of cylinder body (1), and the terminal parcel of plunger pipeline (2) has rubber folding cover (3), rubber folding cover (3) internal connection has plunger (4), rubber folding cover (3) surface all around is hugged closely has sealed pad (5), and sealed pad (5) inside runs through and has gim peg (6), inlet (7) are seted up in cylinder body (1) upper surface, and inlet (7) inside is provided with rubber sleeve (8), inlet (7) top is connected with fixed platform (9), and fixed platform (9) inside runs through there is feed liquor pipe (10), fixed platform (9) upper surface is hugged closely has supporting piece (11), and fixed platform (9) upper surface one side is fixed with pivot (12), pivot (12) outer wall parcel has rotatory piece (13).

2. The plunger pump with good oil leakage prevention performance as claimed in claim 1, wherein: the rubber folding sleeve (3) forms a telescopic structure with the cylinder body (1) through the plunger (4), and the rubber folding sleeve (3) is of a folding structure.

3. The plunger pump with good oil leakage prevention performance as claimed in claim 1, wherein: the size of the inner opening of the rubber folding sleeve (3) is larger than that of the outer opening of the plunger pipeline (2), and the rubber folding sleeve (3) forms a fixing structure with the cylinder body (1) through the fixing bolt (6).

4. The plunger pump with good oil leakage prevention performance as claimed in claim 1, wherein: the inner wall of the liquid inlet (7) is attached to the outer wall of the rubber sleeve (8), and the cross section of the rubber sleeve (8) is of an inclined structure.

5. The plunger pump with good oil leakage prevention performance as claimed in claim 1, wherein: the vertical central line of the liquid inlet pipe (10) and the vertical central line of the liquid inlet (7) are mutually overlapped, and the liquid inlet pipe (10) forms a sealing structure with the liquid inlet (7) through the rubber sleeve (8).

6. The plunger pump with good oil leakage prevention performance as claimed in claim 1, wherein: the rotating block (13) forms a rotating structure through the rotating shaft (12), and the lower surface of the rotating block (13) is attached to the upper surface of the clamping piece (11).