CN219281966U

CN219281966U - Sealing device of screw air compressor

Info

Publication number: CN219281966U
Application number: CN202320597386.3U
Authority: CN
Inventors: 刘秀明
Original assignee: Wuxi Sobek Precision Machinery Co ltd
Current assignee: Wuxi Sobek Precision Machinery Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-06-30
Anticipated expiration: 2033-03-24

Abstract

The utility model discloses a sealing device of a screw air compressor, which comprises a connecting pipe, wherein a conical groove is formed in the connecting pipe, a conical through pipe is clamped in the conical groove, an oil guide pipe is clamped in the left side of the conical through pipe, a locking mechanism is arranged between the outer side of the oil guide pipe and the connecting pipe, and first sealing rings are arranged on the outer sides of two ends of the conical groove. According to the utility model, the conical through pipe is clamped into the conical groove through the connecting pipe to realize butt joint and seal through the first sealing ring, the oil guide pipe is firstly and virtually connected to the conical through pipe, the first sealing ring is clamped between the conical through pipe and the conical through pipe, then the locking mechanism is used for locking the oil guide pipe, and the horizontal butt joint clamping is always kept between the oil guide pipe and the conical through pipe, so that the device has the advantages of keeping the horizontal butt joint of the pipeline, avoiding deviating from cracking, and keeping a good stable butt joint effect when the device needs to be replaced.

Description

Sealing device of screw air compressor

Technical Field

The utility model relates to the technical field of air compressor sealing, in particular to a sealing device of a screw air compressor.

Background

The double screw compressor has a pair of mutually meshed rotors with spiral teeth in opposite rotation directions, and two ends of the machine body are provided with diagonally arranged air sucking and exhausting holes, and the working volume is changed continuously along with the rotation of the rotors in the machine body due to the invasion or separation of the teeth, so that the volume between each pair of tooth grooves of the rotors is changed periodically to achieve the purposes of sucking, compressing and exhausting.

The patent with the search application number 202221760369.9 discloses a sealing device for a double-screw air compressor, and the technical scheme comprises an air compressor body, wherein one side of the air compressor body is fixedly connected with a fixing pipe, and one end of the fixing pipe is fixedly connected with a connecting flange. The advantage lies in this scheme that is provided with the toper post through the inside of fixed pipe, and the inside joint of first spacing groove is connected with first sealing washer, the inside joint of second spacing groove is connected with the second sealing washer, the inside joint of third spacing groove is connected with the third sealing washer, and compress tightly the outer wall rotation of end cover and be connected with four lock bolts, screw four lock bolts, and then be convenient for make compress tightly the end cover and move to the inside of fixed pipe, be convenient for compress tightly the toper post, compress tightly first sealing washer simultaneously, second sealing washer and third sealing washer, thereby replace traditional threaded connection, the problem that current sealing means has the leakage is solved.

However, in the above scheme, the pipe is pushed by hydraulic extrusion and is extruded by the tapered block by using metal tension and is clamped at the end part of the pipe in a butt joint manner, but on one hand, the pipe is inconvenient to keep horizontally sleeved and is easy to deviate from and break, and if the pipe needs to be replaced, the problem that the butt joint is not tight and can not be folded easily occurs because the end part of the pipe is formed.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a sealing device of a screw air compressor, so as to overcome the defects of the background technology.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a screw air compressor's sealing device, includes the connecting pipe, the conical groove has been seted up to the inside of connecting pipe, the inside joint of conical groove has the toper siphunculus, the left side joint of toper siphunculus has leads oil pipe, lead and install locking mechanism between oil pipe's the outside and the connecting pipe, the both ends outside of conical groove all is provided with first sealing washer, the left side first sealing washer joint leads between oil pipe and the toper siphunculus, the right side first sealing washer joint is to between conical groove and the toper siphunculus.

The locking mechanism comprises a horn-shaped clamping block, two threaded rods and a positioning ring, wherein the horn-shaped clamping block is sleeved on the outer side of the oil guide pipe and is in butt joint with the end part of the connecting pipe, the positioning ring is fixedly connected to the outer side of the connecting pipe, and the threaded rods are used for locking the horn-shaped clamping block and the positioning ring in a threaded mode.

The inner side of the horn-shaped clamping block is fixedly connected with a second sealing ring, and the second sealing ring is tightly clamped with the outer side of the oil guide pipe.

The right end of the oil guide pipe is provided with an outward-expansion horn-shaped opening, four horizontal guide rods are fixedly connected to the inside of the oil guide pipe, and the four horizontal guide rods are inserted into the tapered through pipe.

Four guide grooves are formed in the left side of the conical through pipe, and the horizontal guide rod is inserted into the guide grooves.

The diameter of the horn opening on the right side of the oil guide pipe is slightly larger than the outer diameter of the port of the conical through pipe.

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

according to the scheme, the horizontal guide rod on the oil guide pipe is in butt joint with the conical through pipe and is matched with the locking mechanism to carry out connection and locking, so that the device has the advantages of keeping the horizontal butt joint of the pipeline, avoiding deviating from and cracking, and keeping a good and stable butt joint effect when the device needs to be replaced.

Drawings

Fig. 1 is a schematic cross-sectional elevation view of the present utility model.

Fig. 2 is a schematic view of a partial perspective cross-sectional structure of the present utility model.

Fig. 3 is a schematic view of a partial perspective structure of the present utility model.

The reference numerals in the figures illustrate:

1. a connecting pipe; 2. a conical groove; 3. a conical tube; 31. a guide groove; 4. an oil guide pipe; 41. a horizontal guide rod; 5. a locking mechanism; 51. a horn-shaped clamping block; 511. a second seal ring; 52. a threaded rod; 53. a positioning ring; 6. a first seal ring.

Description of the embodiments

Referring to fig. 1 to 3, the utility model relates to a sealing device of a screw air compressor, which comprises a connecting pipe 1, wherein a conical groove 2 is formed in the connecting pipe 1, a conical through pipe 3 is clamped in the conical groove 2, an oil guide pipe 4 is clamped in the conical through pipe 3, a locking mechanism 5 is arranged between the outer side of the oil guide pipe 4 and the connecting pipe 1, first sealing rings 6 are arranged at the outer sides of two ends of the conical groove 2, the left first sealing rings 6 are clamped between the oil guide pipe 4 and the conical through pipe 3, and the right first sealing rings 6 are clamped between the conical groove 2 and the conical through pipe 3.

The conical through pipe 3 is clamped to the conical through pipe 3 to be used as a connecting main body, butt joint is realized and sealing is carried out through the first sealing ring 6, the oil guide pipe 4 is firstly in virtual joint on the conical through pipe 3, the first sealing ring 6 is clamped between the conical through pipe 3 and the conical through pipe, then the oil guide pipe 4 is locked by the locking mechanism 5, the horizontal butt joint clamping is always kept between the oil guide pipe 4 and the conical through pipe 3, deformation and tearing of the oil guide pipe 4 are avoided, the device has the advantages of keeping the horizontal butt joint of a pipeline, avoiding deviation and rupture, keeping good and stable butt joint effect when replacement is needed, and the problems that the horizontal butt joint of the pipeline is inconvenient to keep, the deviation and rupture are easy to deviate and the butt joint cannot be closed easily caused by the fact that the butt joint is formed at the end part of the pipeline under the condition that replacement is needed are solved.

The locking mechanism 5 comprises a horn-shaped clamping block 51, two threaded rods 52 and a positioning ring 53, wherein the horn-shaped clamping block 51 is sleeved on the outer side of the oil guide pipe 4 and is in butt joint with the end part of the connecting pipe 1, the positioning ring 53 is fixedly connected to the outer side of the connecting pipe 1, and the threaded rods 52 are used for locking the horn-shaped clamping block 51 and the positioning ring 53 in a threaded mode. The horn-shaped clamping block 51 is driven by the threaded rod 52 to horizontally push the oil guide pipe 4 until the right end face of the horn-shaped clamping block 51 is in butt joint with the end part of the connecting pipe 1, so that the oil guide pipe 4 is tightly clamped with the conical through pipe 3, and the threaded rod 52 is conveniently locked and positioned by the positioning ring 53.

The inner side of the horn-shaped clamping block 51 is fixedly connected with a second sealing ring 511, and the second sealing ring 511 is clamped with the outer side of the oil guide pipe 4. The clamping and sealing effects of the outer side of the oil guide pipe 4 and the horn-shaped clamping block 51 are better through the second sealing ring 511. The right end of the oil guide pipe 4 is provided with an outward-expanding horn-shaped opening, four horizontal guide rods 41 are fixedly connected to the inside of the oil guide pipe 4, and the four horizontal guide rods 41 are inserted into the tapered through pipe 3. The horizontal guide rod 41 is inserted into the conical through pipe 3, so that the oil guide pipe 4 and the conical through pipe 3 are always horizontally butted in the extrusion butt joint clamping process, and the butt joint stability is good.

Four guide grooves 31 are formed in the left side of the conical through pipe 3, and the horizontal guide rod 41 is inserted into the guide grooves 31. The diameter of the horn opening on the right side of the oil guide pipe 4 is slightly larger than the outer diameter of the port of the conical through pipe 3.

Claims

1. Sealing device of a screw air compressor, comprising a connecting tube (1), characterized in that: the utility model discloses a tapered pipe, including connecting pipe (1), taper groove (2) have been seted up to the inside of connecting pipe (1), the inside joint of taper groove (2) has toper siphunculus (3), the left side joint of toper siphunculus (3) has leads oil pipe (4), lead and install locking mechanism (5) between the outside of oil pipe (4) and connecting pipe (1), the both ends outside of taper groove (2) all is provided with first sealing washer (6), left side first sealing washer (6) joint is to leading between oil pipe (4) and the toper siphunculus (3), right side first sealing washer (6) joint is to between taper groove (2) and the toper siphunculus (3).

2. A sealing device for a screw air compressor according to claim 1, wherein: locking mechanism (5) are including loudspeaker form fixture block (51), two threaded rods (52) and holding ring (53), loudspeaker form fixture block (51) cup joint to the outside of leading oil pipe (4) and with the tip butt joint of connecting pipe (1), holding ring (53) fixed connection is to the outside of connecting pipe (1), threaded rod (52) are with loudspeaker form fixture block (51) and holding ring (53) screw thread locking.

3. A sealing device for a screw air compressor according to claim 2, wherein: the inner side of the horn-shaped clamping block (51) is fixedly connected with a second sealing ring (511), and the second sealing ring (511) is clamped with the outer side of the oil guide pipe (4).

4. A sealing device for a screw air compressor according to claim 1, wherein: the right end of the oil guide pipe (4) is provided with an outward-expansion horn-shaped opening, four horizontal guide rods (41) are fixedly connected to the inside of the oil guide pipe (4), and the four horizontal guide rods (41) are inserted into the tapered through pipe (3).

5. The sealing device of a screw air compressor of claim 4, wherein: four guide grooves (31) are formed in the left side of the conical through pipe (3), and the horizontal guide rod (41) is inserted into the guide grooves (31).

6. The sealing device of a screw air compressor of claim 4, wherein: the diameter of the horn opening on the right side of the oil guide pipe (4) is slightly larger than the outer diameter of the port of the conical through pipe (3).