CN220375195U - Oil discharging structure of air compressor oil-gas separator - Google Patents

Abstract

The utility model provides an oil discharging structure of an oil-gas separator of an air compressor, and belongs to the field of air compression equipment. It has solved the relatively poor problem of current oil drain structure experience. The oil-gas separator oil drain structure of the air compressor comprises a barrel body and an oil drain hole vertically penetrating through the bottom of the barrel body, wherein a connecting cylinder is vertically formed at the bottom of the barrel body, an operating rod which is vertically arranged is in threaded connection in the connecting cylinder, the lower end of the operating rod extends out of the connecting cylinder, and a diversion cavity is formed among the upper end of the operating rod, the connecting cylinder and the bottom wall of the barrel body; the oil drain hole is opposite to and communicated with the flow guide cavity, a sealing element which is opposite to the oil drain hole is arranged at the upper end of the operating rod, and the sealing element can be controlled to close or open the lower port of the oil drain hole by rotating the operating rod; the connecting cylinder is sleeved with and fixed with a guide cylinder, an annular cavity coaxial with the guide cylinder is formed between the guide cylinder and the connecting cylinder, the side wall of the connecting cylinder is provided with an overflow hole for enabling the annular cavity to be communicated with the guide cavity, and the side wall of the guide cylinder is provided with an oil drain port communicated with the annular cavity. The oil-gas separator oil discharging structure of the air compressor is good in experience.

Description

Oil discharging structure of air compressor oil-gas separator

Technical Field

The utility model belongs to the field of air compression equipment, and relates to an air compressor oil-gas separator, in particular to an oil discharging structure of the air compressor oil-gas separator.

Background

The air compressor is a main body in an electromechanical air-entraining source device of a core device which provides air source power as a pneumatic system, is a device for converting mechanical energy of motive force (usually an electric motor) into air pressure energy, and is an air pressure generating device of compressed air.

The oil-gas separator is an important component of the air compressor, the structure of the oil-gas separator is as disclosed in China patent storehouse (application number: 201911406883.5), the oil-gas separator comprises an oil-gas storage tank which is provided with a cavity and is cylindrical, the upper end of the oil-gas storage tank is provided with a top flange with the diameter the same as that of the oil-gas storage tank and a mounting through hole in the middle, an annular supporting surface is arranged between the top flange and the mounting through hole, the lower half part of the top flange on the periphery is recessed towards the inner side to form an annular chute, the circumferential inner side of the oil-gas storage tank is provided with an oil-gas separation core, the lower end of the oil-gas separation core is positioned at the middle position of the cavity of the oil-gas storage tank and the bottom of the oil-gas separation core is in a closed state, the upper end of the oil-gas separation core is provided with an opening, the outer side of the opening is provided with a fixing surface which extends towards the direction far away from the oil-gas separation core, the fixing surface is mutually attached to the annular supporting surface, the upper end of the opening is provided with an oil-gas cover which can seal the oil-gas separation core, the oil-gas cover is connected with the oil-gas storage tank through a plurality of first mounting bolts which are arranged at the circumferential edges of the oil-gas cover, any side of the oil-gas cover can vertically lift or rotate along one side, the oil-gas cover rotating assembly is arranged on any side, the side of the oil-gas cover is provided with an oil-gas cover rotating assembly which can be arranged, the oil-gas cover, the oil-pressure valve is arranged in the radial direction, and the oil-gas separation mechanism is provided with the bottom of the oil-tank, which is provided with the bottom with the cavity, and the oil-tank, and the bottom is provided with a valve is provided with a bottom, and the bottom, and a valve, and the filter is provided; the bottom of the oil gas storage tank is provided with an oil drain pipe.

In actual products, the outlet of the oil drain pipe is generally provided with a valve for controlling the opening and the closing, and as certain air pressure exists in the oil gas storage tank, when the valve is opened, oil liquid can be sprayed outwards under certain pressure to cause splashing, so that operators or working environments are dirtied, and the experience is poor.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides an oil discharging structure of an air compressor oil-gas separator, which can prevent oil from being sprayed during oil discharging.

The aim of the utility model can be achieved by the following technical scheme: the oil-gas separator oil drain structure of the air compressor comprises a barrel body and an oil drain hole vertically penetrating through the bottom of the barrel body, and is characterized in that a connecting barrel is vertically formed at the bottom of the barrel body, an operating rod vertically arranged is in threaded connection in the connecting barrel, the lower end of the operating rod extends out of the connecting barrel, and a diversion cavity is formed among the upper end of the operating rod, the connecting barrel and the bottom wall of the barrel body; the oil drain hole is opposite to and communicated with the flow guide cavity, a sealing element which is opposite to the oil drain hole is arranged at the upper end of the operating rod, and the sealing element can be controlled to close or open the lower port of the oil drain hole by rotating the operating rod; the connecting cylinder is sleeved with and fixed with a guide cylinder, an annular cavity coaxial with the guide cylinder is formed between the guide cylinder and the connecting cylinder, the side wall of the connecting cylinder is provided with an overflow hole for enabling the annular cavity to be communicated with the guide cavity, and the side wall of the guide cylinder is provided with an oil drain port communicated with the annular cavity.

When oil is discharged, the operating rod is rotated to enable the sealing element to move away from the lower port of the oil discharge hole, and oil sequentially passes through the flow guide cavity and the overflow hole and is finally discharged through the oil discharge hole.

Under the cooperation of parts such as action bars, sealing members, connecting cylinders and guide cylinders, make fluid spout into the water conservancy diversion chamber downwards earlier and carry out the pressure release through colliding with the sealing members, the oil after the pressure release is alleviated the discharge through the oil duct that overflow hole, annular chamber and oil drain port are constituteed, alright effectively avoid the oil to spout in the twinkling of an eye of discharging oil like this, effectively improve product experience.

In the oil-gas separator oil discharging structure of the air compressor, the sealing element is connected with the operating rod in an up-down sliding mode, the lower port of the oil discharging hole is closed through the contact of the top surface of the sealing element and the bottom surface of the barrel body, and the operating rod is further provided with a spring which enables the sealing element to move upwards. Sealing member and action bars sliding connection from top to bottom to through the flexible stroke of spring control, impact when can buffering fluid lower row better realizes better pressure release effect, makes the purpose of this application more stable realization.

In the oil-gas separator oil discharging structure of the air compressor, the sealing element is of a T-shaped structure and consists of the head part and the rod part, the top wall of the operating rod is vertically provided with the guide hole matched with the rod part, the rod part is arranged in the guide hole in a vertical sliding mode, the spring is arranged in the guide hole and acts on the rod part, and the bottom surface of the head part can be tightly pressed on the top surface of the operating rod, so that the sealing element can obtain strong upward supporting force, and the strength and the effect of closing the lower port of the oil discharging hole are improved.

As another scheme, in the oil-gas separator oil discharging structure of the air compressor, the sealing element is of a block structure and is abutted and fixed on the top surface of the operating rod. By adopting the design, the purpose of controlling the opening or closing of the lower port of the oil drain hole by rotating the operating rod can be realized.

In the oil-gas separator oil discharging structure of the air compressor, the top surface of the head is an upward convex spherical surface, so that oil can flow into the diversion cavity in a divergent mode to the periphery, and the oil discharging efficiency is improved.

In the oil-gas separator oil discharging structure of the air compressor, the inner side wall of the guide cylinder and the outer side wall of the connecting cylinder are mutually matched circumferential surfaces and are stuck together, the outer side wall of the connecting cylinder is coaxially provided with the annular groove, and the inner side wall of the guide cylinder and the annular groove jointly form the annular cavity. By adopting the design, the device has the advantages of simple structure and convenient assembly.

In the oil-gas separator oil discharging structure of the air compressor, annular positioning grooves are coaxially formed in the inner side wall of the guide cylinder, two positioning grooves are formed in the inner side wall of the guide cylinder, the annular cavity is arranged between the two positioning grooves, an o-shaped ring is arranged in each positioning groove, and the inner peripheral surface of the o-shaped ring abuts against the outer peripheral surface of the connecting cylinder. The O-shaped rings are arranged on the upper side and the lower side of the annular cavity, so that the sealing effect formed between the guide cylinder and the connecting cylinder is effectively enhanced, and oil is ensured to be completely discharged through the oil discharge port.

In the oil-gas separator oil discharging structure of the air compressor, an annular surface coaxial with the barrel body is formed on the outer side wall of the barrel body, an annular limiting part is sleeved and fixed on the connecting cylinder, and two end surfaces of the guide cylinder are respectively pressed on the annular surface and the limiting part. The guide pin is tightly positioned between the barrel body and the limiting piece, and has the advantages of simple structure and convenient assembly.

In the oil-gas separator oil discharging structure of the air compressor, the annular clamp spring groove is formed in the outer side wall of the connecting cylinder, and the limiting part is a clamp spring arranged in the clamp spring groove.

In another scheme, in the oil-gas separator oil discharging structure of the air compressor, the limiting piece is a nut screwed outside the guide cylinder.

Compared with the prior art, the oil-gas separator oil discharging structure of the air compressor has the following advantages:

1. under the cooperation of parts such as action bars, sealing members, connecting cylinders and guide cylinders, make fluid spout into the water conservancy diversion chamber downwards earlier and carry out the pressure release through colliding with the sealing members, the oil after the pressure release is alleviated the discharge through the oil duct that overflow hole, annular chamber and oil drain port are constituteed, alright effectively avoid the oil to spout in the twinkling of an eye of discharging oil like this, effectively improve product experience.

2. Sealing member and action bars sliding connection from top to bottom to through the flexible stroke of spring control, impact when can buffering fluid lower row better realizes better pressure release effect, makes the purpose of this application more stable realization.

Drawings

Fig. 1 is a schematic perspective view of an oil-gas separator oil drain structure of the air compressor.

Fig. 2 is a schematic cross-sectional view of the oil-gas separator oil drain structure of the air compressor.

Fig. 3 is a schematic structural view of the guide cylinder.

In the figure, 1, a barrel body; 1a, an oil drain hole; 1b, a connecting cylinder; 1c, an overflow hole; 1d, an annular surface; 2. an operation lever; 2a, guide holes; 3. a seal; 3a, head; 3b, a rod part; 4. a guide cylinder; 4a, an oil drain port; 4b, an outer vertical plane; 5. a handle; 6. a diversion cavity; 7. an annular cavity; 8. a spring; 9. an o-ring; 10. a limiting piece; 11. and an oil discharge pipe.

Description of the embodiments

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

Example 1

As shown in fig. 1 and 2, the oil-gas separator oil discharging structure of the air compressor comprises a barrel body 1, an operating rod 2, a sealing element 3 and a guide cylinder 4.

Wherein,

in actual use, the barrel body 1 is vertically arranged, the bottom wall of the barrel body 1 is vertically penetrated with an oil drain hole 1a, and the oil drain hole 1a and the barrel body 1 are preferably coaxially arranged. As shown in fig. 1, a connecting cylinder 1b is vertically formed at the bottom of a barrel body 1, the connecting cylinder 1b and the barrel body 1 are in an integral structure and are coaxially arranged, and at the moment, an oil drain hole 1a is opposite to and communicated with an inner cavity of the connecting cylinder 1 b.

As shown in fig. 2, the operation lever 2 is vertically disposed in the connection cylinder 1b, and the operation lever 2 and the connection cylinder 1b are screw-coupled. The lower end of the operating rod 2 extends out of the connecting cylinder 1b, and preferably, the lower end of the operating rod 2 is fixedly connected with a handle 5, so that the operating rod 2 can be conveniently rotated manually; a diversion cavity 6 is formed among the upper end of the operating rod 2, the connecting cylinder 1b and the bottom wall of the barrel body 1, and the oil drain hole 1a is opposite to and communicated with the diversion cavity 6. As shown in fig. 1, the upper end of the operating rod 2 is provided with a sealing member 3 arranged opposite to the oil drain hole 1a, and the rotating operating rod 2 can control the sealing member 3 to close or open the lower port of the oil drain hole 1 a. The connecting cylinder 1b is sleeved with and fixed with the guide cylinder 4, an annular cavity 7 coaxial with the guide cylinder 4 is formed between the guide cylinder 4 and the connecting cylinder 1b, the side wall of the connecting cylinder 1b is provided with an overflow hole 1c for enabling the annular cavity 7 to be communicated with the guide cavity 6, and the side wall of the guide cylinder 4 is provided with an oil drain port 4a communicated with the annular cavity 7. Wherein, the axes of the overflow hole 1c and the oil drain port 4a are perpendicular to the axis of the connecting cylinder 1 b; the plurality of the overflow holes 1c are uniformly distributed along the circumference of the connecting cylinder 1 b; an oil drain pipe 11 is installed in the oil drain port 4a.

When the structure discharges oil, the operating rod 2 is rotated to enable the sealing element 3 to move away from the lower port of the oil opening and draining hole 1a, and oil sequentially passes through the flow guiding cavity 6 and the overflow hole 1c and finally is drained through the oil draining hole 4a. Under the cooperation of parts such as the operating rod 2, the sealing element 3, the connecting cylinder 1b, the guide cylinder 4 and the like, oil is firstly sprayed downwards into the guide cavity 6 and is subjected to pressure relief through collision with the sealing element 3, and the oil after pressure relief is discharged through the oil duct which is formed by the overflow hole 1c, the annular cavity 7 and the oil discharge port 4a in a moderating way, so that the oil injection in the instant of discharging can be effectively avoided, and the product experience is effectively improved.

Further, the sealing member 3 is slidably connected to the operating lever 2 up and down, the sealing member 3 closes the lower port of the oil drain hole 1a by contacting the top surface thereof with the bottom surface of the tub 1, and a spring 8 for moving the sealing member 3 upward is further provided on the operating lever 2. Sealing member 3 and action bars 2 sliding connection from top to bottom to through the flexible stroke of spring 8 control, impact when can cushion fluid lower row better realizes better pressure release effect, makes the purpose of this application more stable realization.

In the present embodiment of the present utility model, in the present embodiment,

the seal 3 is of unitary construction, the seal 3 being of T-shaped construction and being composed of a head portion 3a and a stem portion 3 b. Wherein, the top wall of the operating rod 2 is vertically provided with a guide hole 2a matched with the rod part 3b, and the guide hole 2a is a blind hole. The rod part 3b is arranged in the guide hole 2a in a sliding way up and down, the spring 8 is arranged in the guide hole 2a, and two ends of the spring 8 respectively act on the bottom wall of the guide hole 2a and the rod part 3 b; the top surface of the head part 3a is a convex spherical surface, and the bottom surface of the head part 3a can be tightly pressed on the top surface of the operating rod 2, so that the sealing element 3 can obtain strong upward supporting force, and the strength and the effect of sealing the lower port of the oil drain hole 1a are improved.

The annular cavity 7 is formed as follows: the inner side wall of the guide cylinder 4 and the outer side wall of the connecting cylinder 1b are mutually matched circumferential surfaces and are stuck together, an annular groove is coaxially formed in the outer side wall of the connecting cylinder 1b, and the inner side wall of the guide cylinder 4 and the annular groove jointly form the annular cavity 7. Further, annular positioning grooves are coaxially formed in the inner side wall of the guide cylinder 4, two positioning grooves are formed, the annular cavity 7 is located between the two positioning grooves, an o-shaped ring 9 is arranged in each positioning groove, and the inner peripheral surface of the o-shaped ring 9 abuts against the outer peripheral surface of the connecting cylinder 1 b. O-rings 9 are arranged on the upper side and the lower side of the annular cavity 7, so that the sealing effect formed between the guide cylinder 4 and the connecting cylinder 1b is effectively enhanced, and oil is ensured to be completely discharged through the oil discharge port 4a.

The guide cylinder 4 is positioned as follows: as shown in fig. 1 to 3, an annular surface 1d coaxial with the barrel 1 is formed on the outer side wall of the barrel 1, an annular limiting member 10 is sleeved and fixed on the connecting cylinder 1b, and two end surfaces of the guide cylinder 4 are respectively pressed on the annular surface 1d and the limiting member 10. The guide cylinder 4 is clamped and positioned between the barrel body 1 and the limiting piece 10, and has the advantages of simple structure and convenient assembly. Further, an outer vertical plane is formed on the outer peripheral surface of the connecting cylinder 1b, an inner vertical plane 4b is correspondingly formed on the inner peripheral surface of the guide cylinder 4, and the inner vertical plane 4b and the outer vertical plane are abutted against each other and fixed circumferentially so as to strengthen the connection strength between the guide cylinder 4 and the connecting cylinder 1 b.

The limiting member 10 has the following structure: the outer side wall of the connecting cylinder 1b is provided with a ring-shaped clamp spring groove, and the limiting piece 10 is a clamp spring arranged in the clamp spring groove.

Example two

The structure and principle of the second embodiment are basically the same as those of the first embodiment, except that: the sealing element 3 is of block-shaped construction and is held against and fixed to the top surface of the operating rod 2. By adopting the design, the purpose of controlling the opening or closing of the lower port of the oil drain hole 1a by rotating the operating rod 2 can be realized.

Example III

The structure and principle of the third embodiment are basically the same as those of the first embodiment, except that: the limiting piece 10 is a nut screwed outside the guide cylinder 4.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (10)

1. The oil-gas separator oil drain structure of the air compressor comprises a barrel body (1) and an oil drain hole (1 a) vertically penetrating through the bottom of the barrel body (1), and is characterized in that a connecting cylinder (1 b) is vertically formed at the bottom of the barrel body (1), an operating rod (2) which is vertically arranged is screwed in the connecting cylinder (1 b), the lower end of the operating rod (2) extends out of the connecting cylinder (1 b), and a diversion cavity (6) is formed among the upper end of the operating rod (2), the connecting cylinder (1 b) and the bottom wall of the barrel body (1); the oil drain hole (1 a) is opposite to and communicated with the flow guide cavity (6), a sealing piece (3) which is opposite to the oil drain hole (1 a) is arranged at the upper end of the operating rod (2), and the sealing piece (3) can be controlled to close or open the lower port of the oil drain hole (1 a) by rotating the operating rod (2); the connecting cylinder (1 b) is sleeved with and fixed with the guide cylinder (4), an annular cavity (7) coaxial with the guide cylinder (4) is formed between the guide cylinder (4) and the connecting cylinder (1 b), the side wall of the connecting cylinder (1 b) is provided with an overflow hole (1 c) for enabling the annular cavity (7) to be communicated with the guide cavity (6), and the side wall of the guide cylinder (4) is provided with an oil drain port (4 a) communicated with the annular cavity (7).

2. The oil-gas separator oil drain structure according to claim 1, wherein the sealing member (3) is slidably connected to the operating lever (2) up and down, the sealing member (3) closes the lower port of the oil drain hole (1 a) by contacting the top surface thereof with the bottom surface of the tub body (1), and a spring (8) for making the sealing member (3) have an upward movement tendency is further provided on the operating lever (2).

3. The oil-gas separator oil drain structure according to claim 2, wherein the sealing member (3) is of a T-shaped structure and consists of a head portion (3 a) and a rod portion (3 b), a guide hole (2 a) matched with the rod portion (3 b) is vertically formed in the top wall of the operating rod (2), the rod portion (3 b) is arranged in the guide hole (2 a) in a sliding manner, a spring (8) is arranged in the guide hole (2 a) and acts on the rod portion (3 b), and the bottom surface of the head portion (3 a) can be tightly pressed on the top surface of the operating rod (2).

4. The oil-gas separator oil drain structure of the air compressor according to claim 1, wherein the sealing member (3) is of a block structure and is abutted and fixed on the top surface of the operating rod (2).

5. An oil-gas separator oil drain structure according to claim 3, wherein the top surface of the head (3 a) is an upwardly convex spherical surface.

6. The oil-gas separator oil drain structure according to claim 1, wherein the inner side wall of the guide cylinder (4) and the outer side wall of the connecting cylinder (1 b) are circumferential surfaces matched with each other and are attached together, an annular groove is coaxially formed in the outer side wall of the connecting cylinder (1 b), and the inner side wall of the guide cylinder (4) and the annular groove jointly form the annular cavity (7).

7. The oil-gas separator oil drain structure of the air compressor according to claim 6, wherein annular positioning grooves are coaxially formed in the inner side wall of the guide cylinder (4), two positioning grooves are formed, the annular cavity (7) is located between the two positioning grooves, an o-shaped ring (9) is arranged in each positioning groove, and the inner peripheral surface of the o-shaped ring (9) abuts against the outer peripheral surface of the connecting cylinder (1 b).

8. The oil-gas separator oil drain structure according to claim 6 or 7, wherein an annular surface (1 d) coaxial with the barrel body (1) is formed on the outer side wall of the barrel body (1), an annular limiting piece (10) is sleeved and fixed on the connecting cylinder (1 b), and two end surfaces of the guide cylinder (4) are respectively pressed on the annular surface (1 d) and the limiting piece (10).

9. The oil-gas separator oil drain structure of the air compressor according to claim 8, wherein the outer side wall of the connecting cylinder (1 b) is provided with a ring-shaped clamp spring groove, and the limiting piece (10) is a clamp spring arranged in the clamp spring groove.

10. The oil-gas separator oil drain structure according to claim 6 or 7, wherein an outer vertical plane is formed on the outer peripheral surface of the connecting cylinder (1 b), an inner vertical plane (4 b) is formed on the inner peripheral surface of the guide cylinder (4) correspondingly, and the inner vertical plane (4 b) and the outer vertical plane are abutted.