CN213711444U

CN213711444U - Mechanical seal structure and pump device

Info

Publication number: CN213711444U
Application number: CN202022919162.9U
Authority: CN
Inventors: 李冬梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-07-16
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a mechanical seal structure and pump unit belongs to the mechanical seal field. The utility model provides a mechanical seal structure and pump unit, including the vane pump, the vane pump input end spiro union has the adapter, the adapter left side is equipped with the ball valve, ball valve left wall is equipped with the transition piece, transition piece left wall welded joint has the oil feed to connect, the oil pocket has been seted up at transition piece middle part, the filter tank has been seted up to transition piece inside, transition piece bottom surface spiro union has filtering component, filtering component includes the oil box, the inside draw-in groove of having seted up of oil box, be equipped with the fixed plate in the draw-in groove, the card hole has been seted up on fixed plate upper portion, the downthehole filter funnel that inlays of card is equipped with, be equipped with the impeller rather than. The utility model discloses an add in the filter hopper and establish the impeller, the impeller is driven to rotate by the blade pump oil absorption, and the impeller strikes off impurity to the filter hopper inner wall, and then guarantees that the filter hopper wire side is clean, avoids the filter hopper to accumulate too much impurity and influences the flow of oil.

Description

Mechanical seal structure and pump device

Technical Field

The utility model relates to a mechanical seal field, more specifically say, relate to a mechanical seal structure and pump unit.

Background

A pump is a machine that delivers or pressurizes a fluid. It transfers the mechanical energy of the prime mover or other external energy to the liquid, causing the liquid energy to increase. The pump is mainly used for conveying liquid such as water, oil, acid-base liquid, emulsion, suspension emulsion and liquid metal, can also be used for conveying liquid, gas mixture and liquid containing suspended solids, and can also realize the functions of emulsification, shearing and the like in the conveying process. The vane pump is the most common pump in a machine tool, but the oil supply of the vane pump is not smooth due to the blockage of a rotor vane in the vane pump caused by oil dirt, so that equipment failure is caused.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a mechanical seal structure and pump unit to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

A mechanical seal structure and a pump device comprise a vane pump, wherein an input end of the vane pump is screwed with an adapter, a ball valve is arranged on the left side of the adapter, a transition block is arranged on the left wall of the ball valve, an oil inlet joint is welded on the left wall of the transition block, an oil cavity is arranged in the middle of the transition block, a precipitation tank is arranged in the transition block relative to the bottom surface of the oil cavity, a filter tank is arranged in the transition block relative to the position on the right side of the precipitation tank, a filter assembly is screwed on the bottom surface of the transition block and comprises an oil box, an oil storage tank is arranged on the top surface of the oil box, a clamping groove is arranged in the oil box relative to the position on the top surface of the oil storage tank, a fixing plate is arranged in the clamping groove, the fixing plate is of an L-shaped structure, a clamping hole is arranged, the bottom surface four corners department of oil box upper end all the spiro union have the bolt, the seal groove has been seted up to oil box top surface, be equipped with the sealing washer in the seal groove.

Preferably, the left end of the adapter is in threaded fit with the right end of the ball valve.

Preferably, the left end of the ball valve is fixed with the right wall of the transition block in a threaded mode, and the ball valve is communicated with the transition block.

Preferably, the oil inlet joint is in communication with the oil chamber.

Preferably, one end of the fixing plate is in sliding fit with the filter tank, and the other end of the fixing plate is in clamping fit with the clamping groove.

Preferably, the impeller is rotatably connected to the hopper.

3. Advantageous effects

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

1. the utility model discloses an add at blade pump input end and establish filtering component, when blade pump work absorbed oil, the oil tank oil stream filtered oil through the filter funnel in going into the transition piece, blockked up rotor blade in avoiding oil in impurity gets into the blade pump, improved the life of blade pump greatly, the equipment trouble problem that solution equipment causes because of the fuel feeding problem.

2. The utility model discloses an add in the filter hopper and establish the impeller, the impeller is driven to rotate by the blade pump oil absorption, and the impeller strikes off impurity to the filter hopper inner wall, and then guarantees that the filter hopper wire side is clean, avoids the filter hopper to accumulate too much impurity and influences the flow of oil.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram illustrating the structure of the adapter according to the present invention;

FIG. 3 is a schematic diagram of the filter assembly according to the present invention;

FIG. 4 is a sectional view of the transition block structure of the present invention;

the reference numbers in the figures illustrate: 1. a vane pump; 2. an adapter; 3. a ball valve; 4. a transition block; 5. a filter assembly; 401. an oil chamber; 402. a settling tank; 403. an oil inlet joint; 404. a filter tank; 501. an oil box; 502. a bolt; 503. a sealing groove; 504. a seal ring; 505. a card slot; 506. a fixing plate; 507. a clamping hole; 508. a filter hopper; 509. an impeller.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution:

a mechanical seal structure and a pump device comprise a vane pump 1, wherein an input end of the vane pump 1 is screwed with an adapter 2, the left side of the adapter 2 is provided with a ball valve 3, the left wall of the ball valve 3 is provided with a transition block 4, the left wall of the transition block 4 is welded with an oil inlet joint 403, the middle part of the transition block 4 is provided with an oil cavity 401, the inside of the transition block 4 is provided with a precipitation tank 402 corresponding to the bottom surface of the oil cavity 401, the inside of the transition block 4 is provided with a filter tank 404 corresponding to the right side of the precipitation tank 402, the bottom surface of the transition block 4 is screwed with a filter assembly 5, the filter assembly 5 comprises an oil box 501, the top surface of the oil box 501 is provided with an oil storage tank for collecting filtered impurities, the inside of the oil box 501 is provided with a clamping groove 505 corresponding to the top surface of the oil storage tank, a fixing plate 506 is arranged in the clamping groove 505, the fixing, bolts 502 are screwed at four corners of the bottom surface of the upper end of the oil box 501, a sealing groove 503 is formed in the top surface of the oil box 501, and a sealing ring 504 is arranged in the sealing groove 503, so that the joint of the oil box 501 and the transition block 4 is conveniently sealed.

Specifically, adapter 2 left end and 3 right-hand members of ball valve screw-thread fit, be convenient for connect fixedly.

Further, 3 left ends of ball valve are fixed with 4 right walls spiro union of transition piece, and

ball valve

3 and 4 intercommunications of transition piece, through 3 control passage switching of ball valve, and the later stage of being convenient for is to 5 clearance removals of filtering component.

Still further, oil feed joint 403 is communicated with oil chamber 401, facilitating the circulation of oil.

Furthermore, one end of the fixing plate 506 is slidably engaged with the filter tank 404, and the other end of the fixing plate 506 is snap-engaged with the engaging groove 505, so as to fix the filter hopper 508 in the oil chamber 401.

In addition, the impeller 509 is rotatably connected with the filter 508, so that the impeller 509 is driven to rotate by the flowing oil, and the inner wall of the filter 508 is cleaned.

The working principle is as follows: when the device is needed, the input end of the vane pump 1 is fixed with the ball valve 3 through the adapter 2, the input end of the transition block 4 is fixed with the output end of the oil tank through the adapter, when the machine equipment works, the equipment motor drives the vane pump 1 to rotate, the inner rotor of the vane pump 1 drives the vanes to rotate and start to absorb oil, the oil in the oil tank enters the oil cavity 401 through the oil inlet connector 403, at the moment, along with the oil filling in the oil cavity 401 and the oil box 501, the oil flows into the vane pump 1 through the filter hopper 508, the vane pump 1 is driven by the high-speed rotation of the motor, the rotating speed of the vane pump 1 is accelerated, the suction force is gradually strengthened, the oil pressure rises to accelerate the flow speed of the oil, the flowing oil drives the impeller 509 to rotate, the rotating impeller 509 scrapes impurities on the inner wall of the filter hopper 508, the filtered impurities fall into the oil box 501 through the filter tank 404 for precipitation and storage, if the oil box 501 is cleaned in the, in order to prevent residual oil in the vane pump 1 from flowing out through the oil cavity 401 in the dismantling process, the bolt 502 below the filter assembly 5 is dismantled, and the filter assembly 5 is taken out and cleaned.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a mechanical seal structure and pump unit, includes impeller pump (1), its characterized in that: the impeller pump is characterized in that an adapter (2) is screwed at the input end of the impeller pump (1), a ball valve (3) is arranged on the left side of the adapter (2), a transition block (4) is arranged on the left wall of the ball valve (3), an oil inlet joint (403) is welded on the left wall of the transition block (4), an oil cavity (401) is formed in the middle of the transition block (4), a precipitation tank (402) is formed in the transition block (4) relative to the bottom surface of the oil cavity (401), a filter tank (404) is formed in the transition block (4) relative to the position on the right side of the precipitation tank (402), a filter assembly (5) is screwed on the bottom surface of the transition block (4), the filter assembly (5) comprises an oil box (501), an oil storage tank is formed in the top surface of the oil box (501), a clamping groove (505) is formed in the oil box (501) relative to, the fixed plate (506) is L type structure, card hole (507) has been seted up on fixed plate (506) upper portion, the embedded filter hopper (508) that is equipped with in card hole (507), be equipped with in filter hopper (508) with impeller (509) of its inner wall looks adaptation, the equal spiro union in oil box (501) upper end bottom surface four corners department has bolt (502), seal groove (503) have been seted up to oil box (501) top surface, be equipped with sealing washer (504) in seal groove (503).

2. A mechanical seal and pump arrangement according to claim 1, wherein: the left end of the adapter (2) is in threaded fit with the right end of the ball valve (3).

3. A mechanical seal and pump arrangement according to claim 1, wherein: the left end of the ball valve (3) is fixed with the right wall of the transition block (4) in a threaded mode, and the ball valve (3) is communicated with the transition block (4).

4. A mechanical seal and pump arrangement according to claim 1, wherein: the oil inlet joint (403) is communicated with the oil cavity (401).

5. A mechanical seal and pump arrangement according to claim 1, wherein: one end of the fixing plate (506) is in sliding fit with the filter tank (404), and the other end of the fixing plate (506) is in clamping fit with the clamping groove (505).

6. A mechanical seal and pump arrangement according to claim 1, wherein: the impeller (509) is rotationally connected with the filter hopper (508).