CN212986378U

CN212986378U - Female end structure of oiling quick coupler

Info

Publication number: CN212986378U
Application number: CN202022019454.7U
Authority: CN
Inventors: 丁凤池
Original assignee: Langfang Shengqian Machinery Co ltd
Current assignee: Langfang Shengqian Machinery Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-04-16
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a female end structure of oiling quick-assembling joint, including fixed connection's inner shell and shell, the one end of inner shell is sealed, and the other end and the oiling equipment threaded connection of inner shell are provided with a plurality of oil-out on the one end lateral wall of inner shell, are provided with the seal groove on the surface of inner shell, and the seal groove is located the both sides of oil-out, is provided with the sealing washer in the seal groove. A sealing ring is arranged between the inner shell and the outer shell, the sealing ring is connected with the inner shell and the outer shell in a sliding way, and a retaining ring is arranged between the sealing ring and the outer shell in a sliding way; a first spring is arranged between the sealing ring which has a sealing function on the oil outlet on the inner shell and the inner shell, and a second spring is arranged between the retaining ring and the sealing ring; the shell is provided with a quick-insertion structure inserted with the male end. The utility model adopts the above structure the female end structure of oiling ready-packaged joint, can solve public end and female end ann and tear the problem inconvenient, that female end leakproofness is relatively poor open.

Description

Female end structure of oiling quick coupler

Technical Field

The utility model belongs to the technical field of the quick-assembling joint design technique and specifically relates to a female end structure of oiling quick-assembling joint is related to.

Background

In many mechanical devices, lubricating oil is injected into the mechanical devices to lubricate internal parts of the mechanical devices. When carrying out the oiling to mechanical equipment's inside, adopt the oiling to connect more and carry out the oiling, the oiling connects including public end and female end, and public end and equipment connection, female end and oiling equipment are connected, and current oiling connects public end and female end ann and tears inconveniently to the leakproofness of oiling connects female end is relatively poor, often causes the problem that the female end can not well seal after the oiling.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an oiling quick-assembling joint's female end structure solves public end and female end ann and tears the problem inconvenient, that female end leakproofness is relatively poor.

In order to achieve the purpose, the utility model provides a female end structure of an oil injection quick coupler, which comprises an inner shell and an outer shell which are fixedly connected, wherein one end of the inner shell is closed, the other end of the inner shell is in threaded connection with oil injection equipment, a plurality of oil outlets are arranged on the side wall of one end of the inner shell, a sealing groove is arranged on the outer surface of the inner shell, the sealing groove is positioned at two sides of the oil outlets, and a sealing ring is arranged in the sealing groove;

a sealing ring is arranged between the inner shell and the outer shell, the sealing ring is connected with the inner shell and the outer shell in a sliding way, and a retaining ring is arranged between the sealing ring and the outer shell in a sliding way; a first spring is arranged between the sealing ring which has a sealing function on the oil outlet on the inner shell and the inner shell, and a second spring is arranged between the retaining ring and the sealing ring;

the shell is provided with a quick-insertion structure inserted with the male end.

Preferably, the sealing groove is of a dovetail structure with a small opening end width and a large bottom width.

Preferably, insert the structure soon and include location pearl and sleeve, the draw-in groove looks adaptation that sets up on location pearl and the public end casing surface, the location pearl is located the through-hole that sets up on the one end lateral wall of shell, and the sleeve slides the cover and establishes in the outside of shell, and the location pearl centre gripping is provided with the boss on the telescopic internal surface between fender ring and the sleeve, is provided with spring three between boss and the shell, is provided with the recess between boss and the telescopic end, and the location pearl is located the recess.

Preferably, a clamp spring which has a limiting effect on the sleeve is arranged on the outer surface of the shell.

Preferably, the end of the sealing ring is provided with a limiting block for preventing the sealing ring from slipping off the shell; one end of the baffle ring is provided with a limiting block for preventing the baffle ring from slipping off the shell, and the other end of the baffle ring is provided with a push plate contacted with the male end shell; the inner surface of the shell is a stepped surface matched with the limiting blocks on the sealing ring and the baffle ring.

A female end structure of oiling quick-assembling joint, seal groove on the inner shell is the structure of dovetail, improves the steadiness of being connected between seal groove and the sealing washer, avoids the sealing washer to drop from the seal groove under great oil pressure, improves the sealed effect of female end. The design of inserting the structure soon makes things convenient for public end and female end to be connected, and female end and public end installation are more convenient.

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 view of an embodiment of a female end structure of a quick coupler for oil injection according to the present invention;

FIG. 2 is a schematic view of a seal groove structure of an embodiment of a female end structure of a quick coupler for oil injection according to the present invention;

fig. 3 is a schematic view of a female end mounting structure of a female end structure embodiment of the oil injection quick coupler of the present invention.

Reference numerals

1. An inner shell; 2. a housing; 3. a seal ring; 4. a baffle ring; 5. a sleeve; 6. a first spring; 7. a second spring; 8. a third spring; 9. a seal ring; 10. a sealing groove; 11. a positioning bead; 12. a clamp spring; 13. a boss; 14. a groove; 15. an oil outlet; 16. a slide bar; 17. a male end housing.

Detailed Description

Examples

Fig. 1 is the utility model relates to a structural schematic diagram of female end structure embodiment of oiling quick-assembling joint, fig. 2 is the utility model relates to a seal groove structure schematic diagram of female end structure embodiment of oiling quick-assembling joint, fig. 3 is the utility model relates to a female end mounting structure schematic diagram of female end structure embodiment of oiling quick-assembling joint. As shown in the figure, the female end structure of the oil injection quick coupler comprises an inner shell 1 and an outer shell 2 which are fixedly connected through threads, wherein the outer shell 2 is sleeved outside the inner shell 1. One end of the inner shell 1 is closed, the other end of the inner shell 1 is in threaded connection with oil injection equipment, and the oil injection equipment is the existing equipment. A plurality of oil outlets 15 are uniformly arranged on the side wall of one end of the inner shell 1. Two sealing grooves 10 are formed in the outer surface of the inner shell 1, the sealing grooves 10 are located on two sides of the oil outlet 15, and rubber O-shaped sealing rings 9 are arranged in the sealing grooves 10. The sealing ring 9 is used for sealing the oil outlet 15 when not in use, and oil leakage of the oil outlet 15 is prevented. The seal groove 10 is of a dovetail structure with a small opening end width and a large bottom width, the stability of connection of the seal ring 9 and the seal groove 10 is improved, the seal ring 9 is prevented from slipping from the seal groove 10 under large oil pressure, and the seal effect of a female end is improved.

A sealing ring 3 is arranged between the inner shell 1 and the outer shell 2, and the sealing ring 3 is connected with the inner shell 1 and the outer shell 2 in a sliding way. The length of the inner surface of the sealing ring 3 is larger than the distance between the two sealing rings 9, and the oil outlet 15 is sealed by matching the inner surface of the sealing ring 3 with the sealing rings 9. A first spring 6 is arranged between one end of the sealing ring 3 and the inner shell 1, and a limiting block for preventing the sealing ring 3 from slipping off the outer shell 2 is arranged at the end, close to the first spring 6, of the sealing ring 3.

A baffle ring 4 is arranged between the sealing ring 3 and the shell 2 in a sliding manner, and a second spring 7 is arranged between one end of the baffle ring 4 and the sealing ring 3. The other end of the baffle ring 4 is provided with a limiting block for preventing the baffle ring 4 from slipping off the shell 2. One end of the retaining ring 4 far away from the limiting block is provided with a push plate contacting with the male end shell 17, and the male end shell 17 pushes the retaining ring 4 and the sealing ring 3 to move towards the direction far away from the male end through the push plate. The inner surface of the shell 2 is a stepped surface matched with the limiting blocks on the sealing ring 3 and the baffle ring 4.

The shell 2 is provided with a quick-insertion structure inserted with the male end. The quick-insertion structure comprises a positioning bead 11 and a sleeve 5, and the sleeve 5 is sleeved outside the shell 2 in a sliding mode. The locating ball 11 is located in a through hole formed in the side wall of one end, close to the male end, of the shell 2, and the locating ball 11 is matched with a clamping groove formed in the outer surface of the male end shell 17. The positioning ball 11 is clamped between the baffle ring 4 and the sleeve 5, and the positioning ball 11 is prevented from sliding from the through hole. Be provided with boss 13 on the internal surface of sleeve 5, be provided with three 8 of spring between boss 13 and the shell 2, be provided with recess 14 between the end of boss 13 and sleeve 5, location pearl 11 is located recess 14, and location pearl 11 has limiting displacement to sleeve 5 in inserting recess 14 under the effect of fender ring 4, prevents that sleeve 5 from slipping on shell 2. The side surface of the groove 14 close to the positioning bead 11 is an inclined surface, so that the sliding of the sleeve 5 is facilitated.

Be provided with jump ring 12 that has limiting displacement to sleeve 5 on the surface of shell 2, jump ring 12 can prevent that male end and female end from being connected back sleeve 5 slippage from shell 2.

The male end is connected with equipment to be oiled, a sliding rod 16 of the male end is in sliding connection with three claws fixed on a housing 17 of the male end, and springs are arranged between the sliding rod 16 and the three claws. The inner surface of the end of the male end shell 17 is provided with a sealing ring 9, when the male end shell is not used, the sliding rod 16 is combined with the sealing ring 9 for sealing, and when the male end shell is used, the outer surface of the sealing ring 3 is combined with the sealing ring 9 for sealing.

During oil injection, the male end shell 17 is inserted into the shell 2, the baffle ring 4 is pushed inwards, the sealing ring 3 is driven to slide under the action of the second spring 7, the sealing ring 3 moves away from the oil outlet 15, and an oil inlet passage is opened; the baffle ring 4 slides away from the positioning ball 11, the sleeve 5 slides towards the male end under the action of the spring III 8, and the steel ball moves inwards under the action of the boss 13 and is clamped in the clamping groove on the male end shell 17, so that the male end and the female end are clamped. After the oil injection is finished, the sleeve 5 is pushed backwards, the steel balls slide into the groove 14, and the male end is pulled outwards, so that the oil injection is finished.

Therefore, the utility model adopts the above structure the female end structure of oiling ready-packaged joint, can solve public end and female end ann and tear the problem inconvenient, that the female end leakproofness is relatively poor open.

The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.

Claims

1. The utility model provides an oiling quick-operation joint's female end structure which characterized in that: the oil filling device comprises an inner shell and an outer shell which are fixedly connected, wherein one end of the inner shell is closed, the other end of the inner shell is in threaded connection with oil filling equipment, a plurality of oil outlets are formed in the side wall of one end of the inner shell, sealing grooves are formed in the outer surface of the inner shell and located on two sides of the oil outlets, and sealing rings are arranged in the sealing grooves;

2. The female end structure of an oil injection quick coupler of claim 1, wherein: the seal groove is of a dovetail structure with a small opening end width and a large bottom width.

3. The female end structure of an oil injection quick coupler of claim 1, wherein: the quick-inserting structure comprises a positioning bead and a sleeve, the positioning bead is matched with a clamping groove formed in the outer surface of the male end shell, the positioning bead is located in a through hole formed in the side wall of one end of the shell, the sleeve is slidably sleeved outside the shell, the positioning bead is clamped between the baffle ring and the sleeve, a boss is arranged on the inner surface of the sleeve, a third spring is arranged between the boss and the shell, a groove is formed between the boss and the end of the sleeve, and the positioning bead is located in the groove.

4. The female end structure of an oil injection quick coupler of claim 3 wherein: and a clamp spring which has a limiting effect on the sleeve is arranged on the outer surface of the shell.

5. The female end structure of an oil injection quick coupler of claim 1, wherein: the end of the sealing ring is provided with a limiting block for preventing the sealing ring from slipping off the shell; one end of the baffle ring is provided with a limiting block for preventing the baffle ring from slipping off the shell, and the other end of the baffle ring is provided with a push plate contacted with the male end shell; the inner surface of the shell is a stepped surface matched with the limiting blocks on the sealing ring and the baffle ring.