CN209876237U

CN209876237U - Hose joint

Info

Publication number: CN209876237U
Application number: CN201920304960.5U
Authority: CN
Inventors: 董阿能; 郑志军; 杜玉仙
Original assignee: NINGBO CHINAUST AUTOMOBILE FITTINGS CO Ltd
Current assignee: NINGBO CHINAUST AUTOMOBILE FITTINGS CO Ltd
Priority date: 2019-03-11
Filing date: 2019-03-11
Publication date: 2019-12-31
Anticipated expiration: 2029-03-11

Abstract

The utility model discloses a hose coupler, its technical scheme main points include fixed connection' S withhold sleeve pipe, sealed mound head pipe and bushing, sealed mound head pipe cup joints hollow fastening bolt, withhold the intraductal fixed jack that is used for brazing fixed bushing and interference connection sealed mound head pipe that is provided with, sealed mound head pipe is provided with and inserts the fixed spigot of fixed jack and the S type bight of connecting fixed spigot and sealed mound head pipe, the diameter of fixed spigot is less than the diameter of sealed mound head pipe. The utility model has the advantages that the lining core and the sealing pier head pipe are respectively fixed in the sleeve by arranging the fixed jack in the buckling sleeve, so as to achieve the purpose of making the sealing pier head pipe, the lining core and the buckling sleeve coaxial; the S-shaped bent part plays a role in limiting the length of the sealing pier head pipe inserted into the buckling sleeve pipe when the buckling sleeve pipe is pressed on the sealing pier head pipe through machinery, and the stability and the sealing performance of the hose connector for connecting and fixing the sealing pier head pipe are further improved.

Description

Hose joint

Technical Field

The utility model relates to an automobile brake end accessory, more specifically say that it relates to a hose nipple.

Background

Hose connectors used in automotive brake systems are the first place for safety lines in automobile driving, and need to have tight connection and good fixing stability.

Chinese patent No. CN202302455U discloses a hose connector, which comprises a hollow fastening bolt, a sealing pier head pipe, a lining core and a buckling sleeve, wherein the hollow fastening bolt is movably sleeved on the sealing pier head pipe, the sealing pier head pipe and the lining core are integrated, and the sealing pier head pipe is in interference fit with the buckling sleeve.

However, the hose connector is integrated with the lining core through the sealing pier head pipe and is in interference fit with the buckling sleeve, so that the sealing pier head pipe is slightly deformed when the buckling sleeve is pressed on the sealing pier head pipe through machinery, the axis of the lining core is difficult to be collinear with the axis of the connector, stable connection of the lining core and the hose is influenced, and improvement is needed.

Disclosure of Invention

To the deficiency that prior art exists, the utility model aims to provide a hose nipple, this hose nipple has the inseparable effect of connection.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a hose coupler, withholds sleeve pipe, sealed mound head pipe and bushing core including fixed connection, sealed mound head pipe cup joints has hollow fastening bolt, withhold the intraductal fixed jack that is used for brazing fixed bushing core and the sealed mound head pipe of interference connection that is provided with of cover, sealed mound head pipe is provided with and inserts the fixed spigot end of fixed jack and the S type turn of connecting fixed spigot end and sealed mound head pipe, the diameter of fixed spigot end is less than the diameter of sealed mound head pipe.

By adopting the technical scheme, the fixed insertion holes are arranged in the buckling sleeve, and the lining core and the sealing pier head pipe are respectively fixed in the sleeve, so that the aim of enabling the sealing pier head pipe, the lining core and the buckling sleeve to be coaxial is fulfilled, and the lining core and the sealing pier head pipe are effectively prevented from being in a state of deviating an axial lead after being connected with the buckling sleeve to influence the connection tightness of the hose connector; meanwhile, the S-shaped bent part plays a role in limiting the length of the sealing pier head pipe inserted into the buckling sleeve pipe when the buckling sleeve pipe is pressed on the sealing pier head pipe through machinery, the S-shaped bent part is tightly attached to one end of the fixed insertion hole, the stability and the sealing performance of the hose connector for connecting the fixed sealing pier head pipe are further improved, correspondingly, the process of installing the fixed sealing pier head pipe and the buckling sleeve pipe is simplified, and the cost is reduced.

The utility model discloses further set up to: the fixed insertion hole is cylindrical.

Through adopting above-mentioned technical scheme, cylindric fixed jack is used for installing fixed seal mound head pipe and bushing core will show to reduce to match the degree of difficulty of fixed seal mound head pipe and bushing core and withholding the sleeve pipe, and then reaches reduce cost's purpose.

The utility model discloses further set up to: and the end face of the fixed inserting end is provided with an external fillet.

By adopting the technical scheme, the fixed inserting end can be conveniently inserted into the fixed inserting column under the guide of the external fillet, and the purpose of stably connecting the sealing pier head pipe and the buckling sleeve is achieved.

The utility model discloses further set up to: and an elastic sealing gasket is arranged between the sealing pier head pipe and the lining core.

Through adopting above-mentioned technical scheme, elastic seal washer plays the effect that promotes the fixed stability of being connected and the leakproofness between sealed mound head pipe, bushing core and the withholding sleeve pipe through the reaction of its extrusion force that receives between sealed mound head pipe and the bushing core.

The utility model discloses further set up to: the sealing pier head pipe is provided with a top head, and the top head is formed by folding and superposing the outer side wall of the sealing pier head pipe inwards.

By adopting the technical scheme, the production difficulty of the sealing pier head pipe is obviously reduced, and the production efficiency of the sealing pier head pipe is improved; and the effect of obviously improving the structural strength of the top is achieved through a processing mode that the side walls are folded inwards, so that the effect of improving the connection stability of the sealing pier head pipe during connection is achieved.

To sum up, the utility model discloses following beneficial effect has: the processing and fixing procedures of the buckling sleeve, the sealing pier head pipe and the lining core are simple and low in cost, so that the connecting structure of the buckling sleeve, the sealing pier head pipe and the lining core is stable, and the sealing performance is good.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Description of reference numerals: 1. a hollow fastening bolt; 2. sealing the pier head pipe; 21. fixing the plug end; 22. an S-shaped bent portion; 23. ejecting the head; 3. buckling and pressing the sleeve; 31. fixing the jack; 4. a lining core; 5. a gasket is provided.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figure 1, the hose joint comprises a fixedly connected crimping sleeve 3, a sealing heading pipe 2 and a lining core 4. The end, far away from the buckling sleeve 3, of the sealing pier head pipe 2 is provided with the top head 23, and the top head 23 is formed by folding and superposing the outer side wall of the sealing pier head pipe 2 inwards, so that the production difficulty of the sealing pier head pipe 2 is reduced remarkably, and the production efficiency of the sealing pier head pipe 2 is improved; and the effect of obviously improving the structural strength of the top head 23 is played through a processing mode that the side walls are folded inwards, and the connection stability of the sealing pier head pipe 2 during connection is obviously improved.

Meanwhile, the sealing pier tube 2 is sleeved with the external thread hollow fastening bolt 1 for connecting automobile parts, and the top 23 is matched with the buckling sleeve 3 to play a role in limiting the hollow fastening bolt 1 between the top 23 and the buckling sleeve 3. A fixing insertion hole 31 for brazing and fixing the lining core 4 and connecting the sealing pier head pipe 2 in an interference manner is arranged in the crimping sleeve 3. The fixed insertion hole 31 is cylindrical, so that the cylindrical fixed insertion hole 31 is used for installing the fixed sealing pier head pipe 2 and the lining core 4, the difficulty of matching the fixed sealing pier head pipe 2 and the lining core 4 with the buckling sleeve 3 is obviously reduced, and the purpose of reducing the cost is achieved.

It should be mentioned that, the sealing pier head pipe 2 is provided with a fixed spigot 21 inserted into the fixed socket 31 and an S-shaped bent portion 22 connecting the fixed spigot 21 and the sealing pier head pipe 2, as shown in fig. 2, and the diameter of the fixed spigot 21 is smaller than that of the sealing pier head pipe 2, and then the fixed socket 31 is provided in the crimping sleeve 3, and the bushing 4 and the sealing pier head pipe 2 are respectively fixed in the sleeve, so as to achieve the purpose of making the sealing pier head pipe 2, the bushing 4 and the crimping sleeve 3 coaxial, thereby effectively avoiding the bushing 4 and the sealing pier head pipe 2 from being in a state of deviating axial lead after being connected with the crimping sleeve 3 and affecting the connection tightness of the hose joint; meanwhile, the S-shaped bent portion 22 plays a role in limiting the length of the sealing pier tube 2 inserted into the crimping sleeve 3 when the crimping sleeve 3 is mechanically press-fitted on the sealing pier tube 2, and the S-shaped bent portion 22 is tightly attached to one end of the fixing insertion hole 31, so that the stability and the sealing performance of the hose connector for connecting the fixing sealing pier tube 2 are further improved, correspondingly, the process of installing the fixing sealing pier tube 2 and the crimping sleeve 3 is simplified, and the cost is reduced.

As shown in fig. 2, the end face of the fixed spigot 21 is provided with an outer rounded corner, so that the fixed spigot 21 can be conveniently inserted into the fixed spigot under the guidance of the outer rounded corner, and the purpose of stably connecting the sealing pier tube 2 and the crimping sleeve 3 is achieved. Meanwhile, an elastic sealing gasket 5 is arranged between the sealing pier tube 2 and the lining core 4. The elastic sealing washer 5 plays a role in improving the connection fixing stability and the sealing performance among the sealing pier head pipe 2, the lining core 4 and the buckling and pressing sleeve 3 through the reaction of the extrusion force applied to the elastic sealing washer between the sealing pier head pipe 2 and the lining core 4.

The above is only the preferred embodiment of the present invention, the protection scope of the present invention is not limited to the above embodiments, but all the cases belong to the technical solution of the present invention under the thought all belong to the protection scope of the present invention. It should be noted that modifications and decorations, which would occur to those skilled in the art without departing from the principle of the present invention, should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a hose connector, withholds sleeve pipe (3), sealed mound head pipe (2) and bushing core (4) including fixed connection, hollow fastening bolt (1), its characterized in that have been cup jointed to sealed mound head pipe (2): be provided with in withholding sleeve pipe (3) and be used for brazing fixed bushing core (4) and interference connection sealed mound head pipe (2) fixed jack (31), sealed mound head pipe (2) are provided with and insert fixed spigot (21) of fixed jack (31) and connect S type turn (22) of fixed spigot (21) and sealed mound head pipe (2), the diameter of fixed spigot (21) is less than the diameter of sealed mound head pipe (2).

2. A hose coupler according to claim 1, wherein: the fixed insertion hole (31) is cylindrical.

3. A hose coupler according to claim 1, wherein: the end face of the fixed inserting end (21) is provided with an external fillet.

4. A hose coupler according to claim 1, wherein: an elastic sealing gasket (5) is arranged between the sealing pier head pipe (2) and the lining core (4).

5. A hose coupler according to claim 1, wherein: the sealing pier head pipe (2) is provided with a top head (23), and the top head (23) is formed by folding and superposing the outer side wall of the sealing pier head pipe (2) inwards.