CN215634151U

CN215634151U - Exhaust mechanism at front low-pressure end of hydraulic system pump

Info

Publication number: CN215634151U
Application number: CN202120674973.9U
Authority: CN
Inventors: 郑海强
Original assignee: Nanjing Yu Hydraulic Co ltd
Current assignee: Nanjing Yu Hydraulic Co ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2022-01-25
Anticipated expiration: 2031-04-01

Abstract

The utility model provides an exhaust mechanism of a front low-pressure end of a hydraulic system pump, which comprises a pipe joint connected with the front low-pressure end of the pump, wherein a ball valve is installed at the upper end of the pipe joint, one end of the ball valve, which is far away from the pipe joint, is connected with a bent pipe, one end of the bent pipe, which is far away from the ball valve, is provided with a cylinder cover, a sponge block for preventing oil from splashing is arranged at the lower part in the cylinder cover, a porous plate is arranged at the lower side of the sponge block, the porous plate is fixedly connected with the cylinder cover, an oil collecting box is arranged under the cylinder cover, a connecting rod is installed at the middle position of the bottom in the oil collecting box, an external thread is processed on the outer surface of the upper end of the connecting rod, an internal thread sleeve is fixed at the middle position of the lower surface of the porous plate, and one end of the connecting rod, which is processed with the external thread, is connected in the internal thread sleeve, compared with the prior art, the exhaust mechanism has the following beneficial effects: prevent that a small amount of fluid that carries in the air current from splashing at will, realize concentrating and collect spun fluid.

Description

Exhaust mechanism at front low-pressure end of hydraulic system pump

Technical Field

The utility model discloses an exhaust mechanism at the front low-pressure end of a pump of a hydraulic system, and belongs to the technical field of hydraulic systems.

Background

In a hydraulic system, oil in a low-pressure oil tank is often contacted with air, when hydraulic oil flows in an oil way, trace air is often brought into the oil way, and particularly when an oil pump works circularly, the air is more easily brought into the hydraulic oil, so that gas-liquid mixed phase is caused in a high-pressure oil way of the oil pump, the pressure intensity of the high-pressure oil way is easy to be unstable, and the movement of a power mechanism is unstable. Therefore, an exhaust mechanism needs to be installed at the front low-pressure end of the pump, an exhaust valve is installed at the front low-pressure end of the pump, which is one of the common means, but when the exhaust valve is opened, a small amount of oil carried in airflow is easy to be sprayed out along with the airflow, so that the working environment and equipment are polluted, and the waste of the oil is caused.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide an exhaust mechanism at the front low-pressure end of a hydraulic system pump, which aims to solve the problems that when an exhaust valve is opened in the background art, a small amount of oil carried in airflow is easy to spray out along with the airflow, the working environment and equipment are polluted, and the oil is wasted.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides an exhaust mechanism of low-pressure end before hydraulic system pump, is including connecting the coupling at low-pressure end before the pump, the ball valve is installed to the coupling upper end, the one end that the coupling was kept away from to the ball valve is connected with the return bend, the return bend is kept away from the one end of ball valve and is installed the cover, lower part position is equipped with the sponge piece that prevents that fluid splashes in the cover, sponge piece downside is equipped with the perforated plate, perforated plate and cover fixed connection, be equipped with an album oil box under the cover, the connecting rod is installed to bottom intermediate position in the collection oil box, the surface processing of connecting rod upper end has the external screw thread, perforated plate lower surface intermediate position is fixed with the internal thread cover, the one end threaded connection of connecting rod processing external screw thread is in the internal thread cover.

Further, the surface cover of one end that the ball valve was kept away from to the return bend is equipped with and goes up the clamping ring with return bend fixedly connected with, cover upper end surface fixedly connected with and last clamping ring matched with lower clamping ring, go up the clamping ring through bolt and clamping ring fixed connection down.

Further, the perforated plate downside is equipped with the support ring, support ring and cover for a cylinder fixed connection, the perforated plate passes through screw and support ring fixed connection.

Furthermore, a plurality of overflow holes are formed in the outer surface of the upper end of the oil collecting box, oil blocking rings are arranged on the outer sides of the overflow holes, and the oil blocking rings are sleeved on the oil collecting box and are fixedly connected with the oil collecting box.

Furthermore, two reinforcing rods are symmetrically fixed on the outer surface of the lower end of the connecting rod, and one ends, far away from the connecting rod, of the reinforcing rods are fixedly connected with the oil collecting box.

Furthermore, a plurality of vertical raised lines are uniformly arranged at the lower part of the outer surface of the oil collecting box, and the raised lines and the oil collecting box are of an integrally formed structure.

The utility model has the beneficial effects that:

1. install the cover barrel on the return bend, and then when opening the ball valve, carry on the air current of a small amount of fluid at first towards the sponge piece in the cover barrel, and then the air passes through sponge piece and perforated plate discharge cover barrel, and fluid and air separation under the blocking of sponge piece, realize preventing the purpose of the fluid random splash in the air current, be convenient for keep operational environment's clean and tidy nature, reduce the probability that equipment is polluted by fluid.

2. In twisting the internal thread cover with the one end that connecting rod processing has the external screw thread, accomplish being connected of collection oil box and cover, and then by the fluid of sponge piece interception in self gravity effect drippage to collection oil box, realize concentrating the purpose of collecting fluid, reduce the waste of fluid.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of an exhaust mechanism at the front low-pressure end of a pump of a hydraulic system according to the present invention;

FIG. 2 is a schematic view of the assembly of a perforated plate, a sponge block and a cylinder cover in the exhaust mechanism at the front low-pressure end of a hydraulic system pump according to the present invention;

FIG. 3 is a schematic view of the assembly of the connecting rod and the oil collecting box in the exhaust mechanism at the front low-pressure end of the hydraulic system pump according to the present invention;

in the figure: 1-pipe joint, 2-ball valve, 3-bent pipe, 4-upper connecting ring, 5-lower connecting ring, 6-cylinder cover, 7-connecting rod, 8-oil baffle ring, 9-oil collecting box, 10-raised strip, 11-sponge block, 12-perforated plate, 13-internal thread sleeve, 14-supporting ring, 15-overflow hole and 16-reinforcing rod.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an exhaust mechanism of low pressure end before hydraulic system pump, is including connecting coupling 1 at low pressure end before the pump, and ball valve 2 is installed to coupling 1 upper end, and the one end that coupling 1 was kept away from to ball valve 2 is connected with return bend 3, opens ball valve 2 back, and the air of low pressure end passes through coupling 1 and return bend 3 and discharges before the pump.

Elbow pipe 3 keeps away from the one end of ball valve 2 and installs barrel casing 6, the lower part position is equipped with the sponge piece 11 that prevents that fluid splashes in the barrel casing 6, sponge piece 11 downside is equipped with perforated plate 12, perforated

plate

12 and 6 fixed connection of barrel casing, perforated plate 12 is under the condition that does not influence air and fluid circulation, the realization is to the support of sponge piece 11, install barrel casing 6 on elbow pipe 3, and then when opening ball valve 2, the air current that carries a small amount of fluid at first dashes on the sponge piece 11 in the barrel casing 6, and then the air passes through sponge piece 11 and perforated plate 12 discharge barrel casing 6, and fluid and air separation under the blockking of sponge piece 11, realize the purpose of the fluid random splash in the air current of preventing, be convenient for keep operational environment's clean and tidy nature, reduce the probability that equipment was polluted by fluid.

Be equipped with oil collecting box 9 under the cover 6, oil collecting box 9 is cylindric structure, connecting rod 7 is installed to bottom intermediate position in the oil collecting box 9, the processing of connecting rod 7 upper end surface has the external screw thread, perforated plate 12 lower surface middle part rigidity has internal thread cover 13, the one end threaded connection of connecting rod 7 processing external screw thread is in internal thread cover 13, in screwing in internal thread cover 13 with the one end that connecting rod 7 processing has the external screw thread, accomplish being connected of oil collecting box 9 and cover 6, and then the fluid of being intercepted by sponge piece 11 drips to oil collecting box 9 under self action of gravity in, realize the purpose of concentrated collection fluid, reduce the waste of fluid.

The outer surface cover of one end that ball valve 2 was kept away from to return bend 3 is equipped with and goes up clamping ring 4 with return bend 3 fixedly connected with, and 6 upper end outer surface fixedly connected with of cover barrel and last clamping ring 4 matched with lower clamping ring 5, go up clamping ring 4 through bolt and lower clamping ring 5 fixed connection, utilize bolt connection to go up clamping ring 4 and lower clamping ring 5, accomplish the fixed connection of return bend 3 and cover barrel 6.

The lower side of the porous plate 12 is provided with a support ring 14, the support ring 14 is fixedly connected with the cylinder cover 6, the porous plate 12 is fixedly connected with the support ring 14 through screws, and the support ring 14 provides a mounting carrier for the porous plate 12.

A plurality of overflow holes 15 are formed in the outer surface of the upper end of the oil collecting box 9, an oil baffle ring 8 is arranged on the outer side of each overflow hole 15, the oil baffle ring 8 is sleeved on the oil collecting box 9 and is fixedly connected with the oil collecting box 9, when oil in the oil collecting box 9 is accumulated to a large extent, redundant oil flows into the oil baffle ring 8 through the overflow holes 15, and the effect of increasing the capacity of collected oil is achieved.

Two reinforcing rods 16 are symmetrically fixed on the outer surface of the lower end of the connecting rod 7, one end, far away from the connecting rod 7, of each reinforcing rod 16 is fixedly connected with the oil collecting box 9, and the reinforcing rods 16 are installed between the connecting rod 7 and the oil collecting box 9, so that the connection stability of the connecting rod 7 and the oil collecting box 9 is improved.

The lower part of the outer surface of the oil collecting box 9 is evenly provided with a plurality of vertical raised lines 10, the raised lines 10 and the oil collecting box 9 are of an integrated structure, the raised lines 10 are arranged on the oil collecting box 9, the friction coefficient of the surface of the oil collecting box 9 is increased, and the oil collecting box 9 is convenient to twist.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an exhaust mechanism of low pressure end before hydraulic system pump, is including connecting coupling (1) at low pressure end before the pump, its characterized in that: ball valve (2) are installed to coupling (1) upper end, the one end that coupling (1) was kept away from in ball valve (2) is connected with return bend (3), return bend (3) are kept away from the one end of ball valve (2) and are installed cover (6), lower part position is equipped with sponge piece (11) that prevent fluid and splash in cover (6), sponge piece (11) downside is equipped with perforated plate (12), perforated plate (12) and cover (6) fixed connection, be equipped with under cover (6) and collect oil box (9), connecting rod (7) are installed to bottom intermediate position in collect oil box (9), surface processing has the external screw thread on connecting rod (7), perforated plate (12) lower surface middle part position is fixed with interior thread bush (13), the one end threaded connection of connecting rod (7) processing external screw thread is in interior thread bush (13).

2. The exhaust mechanism at the front low-pressure end of the pump of the hydraulic system as claimed in claim 1, wherein: the one end surface cover that ball valve (2) were kept away from in return bend (3) is equipped with and goes up clamping ring (4) with return bend (3) fixedly connected with, cover (6) upper end surface fixedly connected with and last clamping ring (4) matched with lower clamping ring (5), go up clamping ring (4) through bolt and lower clamping ring (5) fixed connection.

3. The exhaust mechanism at the front low-pressure end of the pump of the hydraulic system as claimed in claim 1, wherein: perforated plate (12) downside is equipped with support ring (14), support ring (14) and cover for a cylinder (6) fixed connection, perforated plate (12) pass through screw and support ring (14) fixed connection.

4. The exhaust mechanism at the front low-pressure end of the pump of the hydraulic system as claimed in claim 1, wherein: a plurality of overflow holes (15) are formed in the outer surface of the upper end of the oil collecting box (9), an oil baffle ring (8) is arranged on the outer side of each overflow hole (15), and the oil baffle ring (8) is sleeved on the oil collecting box (9) and is fixedly connected with the oil collecting box (9).

5. The exhaust mechanism at the front low-pressure end of the pump of the hydraulic system as claimed in claim 1, wherein: two reinforcing rods (16) are symmetrically fixed on the outer surface of the lower end of the connecting rod (7), and one ends, far away from the connecting rod (7), of the reinforcing rods (16) are fixedly connected with the oil collecting box (9).

6. The exhaust mechanism at the front low-pressure end of the pump of the hydraulic system as claimed in claim 1, wherein: the oil collecting box is characterized in that a plurality of vertically-arranged convex strips (10) are evenly arranged at the lower part of the outer surface of the oil collecting box (9), and the convex strips (10) and the oil collecting box (9) are of an integrally formed structure.