CN214247646U

CN214247646U - Plunger pump with prevent leaking function

Info

Publication number: CN214247646U
Application number: CN202120290450.4U
Authority: CN
Inventors: 王海清; 唐旭
Original assignee: Baoding Reway Pump Technology Co ltd
Current assignee: Baoding Reway Pump Technology Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-09-21
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses a plunger pump with prevent leaking function, including the plunger subassembly, sealed chamber, pump mount and motor, during plunger subassembly one end stretched into sealed chamber, during the other end of plunger subassembly stretched into the pump mount, motor drive plunger subassembly reciprocating motion in sealed chamber and pump mount, pump mount both ends are provided with first mounting panel and second mounting panel respectively, first mounting panel and second mounting panel all are connected with sealed chamber and motor respectively through the bolt, be provided with the cavity between sealed chamber and the pump mount, in time discharged drainage subassembly with liquid when being provided with seal assembly in the cavity and being used for liquid leakage. The utility model adopts the above structure a plunger pump with prevent leaking function will seal chamber, pump seat and motor through the bolt and couple together, and the equipment is got up conveniently, and compact structure adopts the cavity in time to derive the liquid that leaks moreover, avoids seal chamber and pump seat to be polluted by the liquid of leaking.

Description

Plunger pump with prevent leaking function

Technical Field

The utility model relates to a plunger pump equipment technical field especially relates to a plunger pump with prevent leaking function.

Background

The plunger pump mainly utilizes the reciprocating motion of the plunger component in the seal cavity to realize the suction and the push-out of liquid, the friction motion of the plunger component and the seal cavity must generate abrasion to the seal sleeve in the reciprocating motion process of the plunger component, the sealing performance of the seal sleeve fails when the abrasion reaches a certain degree, and the liquid leaks out of the cavity due to the pressure in the cavity; because some liquid are easy to crystallize, stay outside the sealed cavity for a long time and can take place crystallization phenomenon on the plunger assembly, the plunger assembly is easy to fish tail the seal cover in the reciprocating motion process, cause quick leakage, and the crystalline substance on the outer surface of the plunger assembly very easily gets into the pump base in addition, produces the pollution to the pump base, and the life of plunger pump descends.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a plunger pump with prevent leaking the function to solve above-mentioned plunger pump and take place easily to leak and produce the problem of damage to pump seat and sealed chamber.

In order to achieve the purpose, the utility model provides a plunger pump with prevent leaking function, including plunger subassembly, sealed chamber, pump seat and motor, plunger subassembly one end stretches into in the sealed chamber, the other end of plunger subassembly stretches into in the pump seat, motor drive the plunger subassembly is in sealed chamber with reciprocating motion in the pump seat, pump seat both ends are provided with first mounting panel and second mounting panel respectively, first mounting panel with the second mounting panel all through the bolt respectively with sealed chamber with the motor is connected, sealed chamber with be provided with the cavity between the pump seat, be provided with seal assembly in the cavity and in time discharged drainage subassembly with liquid when being used for liquid leakage.

Preferably, the seal assembly includes a first seal disposed in the seal cavity and a second seal disposed on the pump block.

Preferably, the first sealing element comprises a first sealing ring abutting against the inner wall of the sealing cavity and an L-shaped sealing ring plate, the L-shaped sealing ring plate comprises a sleeve portion extending along the axial direction and an axial plate portion extending along the radial direction, one end of the axial plate portion abuts against the bottom of the first sealing ring and is connected with the inner wall of the sealing cavity in a sealing mode, the other end of the axial plate portion is connected with the bottom end of the sleeve portion, and the top end of the sleeve portion abuts against the cavity.

Optimized, first sealing washer include annular flange and with first seal lip and the second seal lip that annular flange is connected, first seal lip bends to being close to one side of L type seal ring board, the second seal lip bends to keeping away from one side of L type seal ring board, first seal lip with the second seal lip respectively with the seal chamber with the axial plate portion offsets.

Preferably, the second sealing element comprises a pressing plate arranged in the pump base, and a retainer ring and a second sealing ring are arranged on one side, close to the sealing cavity, of the pressing plate.

Preferably, the drainage assembly comprises a drainage tube communicated with the bottom end of the sleeve part.

Therefore, the utility model adopts the above structure a plunger pump with prevent leaking function, couple together sealed chamber, pump seat and motor through the bolt, the equipment is got up conveniently, and compact structure prevents respectively that the liquid that carries from flowing out sealed chamber and flowing into the pump seat for first sealing washer and second sealing washer, adopts the liquid collection that the sealed chamber of L type will probably flow out simultaneously, in time discharges through the drainage tube, avoids producing the pollution to sealed chamber and pump seat.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a plunger pump with leakage prevention function according to the present invention;

fig. 2 is a schematic structural diagram of a sealing assembly of an embodiment of a plunger pump with leakage prevention function according to the present invention.

In the figure: 1. sealing the cavity; 2. a plunger assembly; 3. a pump mount; 4. a motor; 5. pressing a plate; 6. a retainer ring; 7. a second seal ring; 8. a cavity; 9. a first seal ring; 10. an L-shaped seal ring plate; 11. a drainage tube.

Detailed Description

The technical solution of the present invention is further explained by the accompanying drawings and examples.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Fig. 1 is a schematic structural diagram of an embodiment of a plunger pump with leakage prevention function according to the present invention; fig. 2 is a schematic structural diagram of a sealing assembly of an embodiment of a plunger pump with leakage prevention function according to the present invention. As shown in the figure, a plunger pump with prevent leaking function, including plunger subassembly 2, seal chamber 1, pump seat 3 and motor 4, 2 one end of plunger subassembly stretches into in the seal chamber 1, the other end of plunger subassembly 2 stretches into in the pump seat 3, motor 4 drive plunger subassembly 2 reciprocating motion in seal chamber 1 and

pump seat

3, 3 both ends of pump seat are provided with first mounting panel and second mounting panel respectively, first mounting panel and second mounting panel all are connected with seal chamber 1 and motor 4 respectively through the bolt, be provided with the passageway that is used for the bolt to pass around the seal chamber 1, be provided with cavity 8 between seal chamber 1 and the pump seat 3, be provided with seal assembly in the cavity 8 and be used for the drainage subassembly of in time discharging liquid when liquid leaks. The seal assembly comprises a first seal member disposed in the seal chamber 1 and a second seal member disposed on the pump mount 3. The first sealing element comprises a first sealing ring 9 and an L-shaped sealing ring plate 10 which are abutted against the inner wall of the sealing cavity 1, the L-shaped sealing ring plate 10 comprises a sleeve portion and an axial plate portion, the sleeve portion extends along the axial direction, the axial plate portion extends in the radial direction, one end of the axial plate portion abuts against the bottom of the first sealing ring 9 and is connected with the inner wall of the sealing cavity 1 in a sealing mode, the other end of the axial plate portion is connected with the bottom end of the sleeve portion, the top end of the sleeve portion abuts against the cavity 8, two sides and the top end of the sleeve portion are both contacted with the inner wall of the cavity 8, the L-shaped sealing ring plate 10 can collect liquid flowing out of the first sealing ring 9 and is not contacted with the sealing cavity 1 and the pump base 3, and therefore the sealing cavity 1 and the pump base 3 are prevented from being polluted or corroded. First sealing washer 9 includes annular flange and the first seal lip and the second seal lip that are connected with annular flange, plunger subassembly 2 wears into annular flange, the outer wall of plunger subassembly 2 and the inner wall sealing connection of annular flange, first seal lip bends to the one side that is close to L type seal plate 10, first seal lip utilizes the inclined plane of bending to L type seal plate 10 to make the difficult junction from seal chamber 1 and first seal lip of liquid of carrying flow out, the second seal lip bends to the one side of keeping away from L type seal plate 10, the second seal lip utilizes the inclined plane of bending to keeping away from L type seal plate 10 to make the difficult junction from seal chamber 1 and axial board of liquid of carrying flow out, first seal lip and second seal lip offset with seal chamber 1 and axial board respectively. The second sealing element comprises a pressing plate 5 arranged in the pump base 3, a check ring 6 and a second sealing ring 7 are arranged on one side, close to the sealing cavity 1, of the pressing plate 5, one end of the plunger assembly 2 penetrates into the sealing cavity 1, the other end of the plunger assembly 2 sequentially penetrates through a first sealing ring 9, a sleeve portion of an L-shaped sealing ring plate 10, the second sealing ring 7, the check ring 6 and the pressing plate 5 to enter the pump base 3, and a driving shaft of the motor 4 penetrates into the pump base to drive the plunger assembly 2 to convey liquid. The drainage assembly comprises a drainage tube 11 communicated with the bottom end of the sleeve portion, and the drainage tube 11 can timely guide out liquid in the L-shaped sealing ring plate 10 and the first sealing ring 9, so that pollution, corrosion and the like to the sealing cavity 1 and the pump base 3 are avoided.

The utility model discloses a concrete implementation process does: the motor 4 is started, the motor 4 drives the plunger assembly 2 to reciprocate in the sealing cavity 1 and the pump seat 3, when the first sealing ring 9 leaks, liquid enters between the L-shaped sealing ring plate 10 and the first sealing ring 9, the liquid is led out by using the drainage tube 11, the pollution and corrosion to the cavity 8 formed by the pump seat 3 and the sealing cavity 1 are avoided, the second sealing ring 7 is prevented from bringing the flowing liquid into the pump seat 3 when the plunger assembly 2 reciprocates, and the pollution to the inside of the pump seat 3 is avoided.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.

Claims

1. A plunger pump with a leakage-proof function comprises a plunger assembly, a sealing cavity, a pump seat and a motor, wherein one end of the plunger assembly extends into the sealing cavity, the other end of the plunger assembly extends into the pump seat, and the motor drives the plunger assembly to reciprocate in the sealing cavity and the pump seat, and is characterized in that: the pump base both ends are provided with first mounting panel and second mounting panel respectively, first mounting panel with the second mounting panel all through the bolt respectively with the seal chamber with the motor is connected, the seal chamber with be provided with the cavity between the pump base, be provided with seal assembly in the cavity and be used for in time discharged drainage subassembly of liquid when liquid leaks.

2. A plunger pump having a leak-proof function as recited in claim 1, wherein: the seal assembly includes a first seal disposed in the seal cavity and a second seal disposed on the pump mount.

3. A plunger pump having a leak prevention function as defined in claim 2, wherein: the first sealing element comprises a first sealing ring and an L-shaped sealing ring plate, the first sealing ring abuts against the inner wall of the sealing cavity, the L-shaped sealing ring plate comprises a sleeve portion and an axial plate portion, the sleeve portion extends in the axial direction, the axial plate portion extends in the radial direction, one end of the axial plate portion abuts against the bottom of the first sealing ring and is connected with the inner wall of the sealing cavity in a sealing mode, the other end of the axial plate portion is connected with the bottom end of the sleeve portion, and the top end of the sleeve portion abuts against the cavity.

4. A plunger pump having a leak prevention function as defined in claim 3, wherein: the first sealing ring comprises an annular flange, a first sealing lip and a second sealing lip, the first sealing lip and the second sealing lip are connected with the annular flange, the first sealing lip is bent to be close to one side of the L-shaped sealing ring plate, the second sealing lip is bent to be far away from one side of the L-shaped sealing ring plate, and the first sealing lip and the second sealing lip respectively abut against the sealing cavity and the axial plate portion.

5. A plunger pump having a leak prevention function as defined in claim 4, wherein: the second sealing element comprises a pressing plate arranged in the pump base, and a check ring and a second sealing ring are arranged on one side, close to the sealing cavity, of the pressing plate.

6. A plunger pump having a leak prevention function as defined in claim 5, wherein: the drainage assembly comprises a drainage tube communicated with the bottom end of the sleeve part.