KR100299347B1 - Combination structure of connector and adapter used in fuel system of automobile - Google Patents

Abstract

The present invention relates to a coupling structure of a connector and an adapter used in a fuel device of an automobile, and includes a nipple installed in a fuel pipe 30 and a fuel pump 60 having one side installed in a vaporizer 20 of the fuel device 10. In the connecting means for connecting 61, the fuel means is provided with an installation portion 41 formed a plurality of engaging projections (41a) on one outer periphery to be coupled to the other end of the fuel pipe 30 and the installation portion Fitting holes 42 and 42a are formed at both sides of the other side of the 41, and the connector 40 is inserted into the insertion hole 43 of the connector 40 and the insertion hole 43 is formed therein. The pressing portions 51 and 51a are formed at both sides to be coupled to the balls 42 and 42a, and the pressing portions 51 and 51a are connected by ribs 52 formed at the upper and lower sides of the inner side. The connector 40 and the adapter 5 by having the adapter 50 with the close contact 53 and 54 formed in the center of each rib 52 are provided. 0) can be easily coupled, and the adapter 50 and the nipple 61 can be detached and detached at the same time from the connector 40, thereby making it easy to A / S and inspection.

Description

Combination structure of connector and adapter used in fuel system of automobile

The present invention relates to a coupling structure of a connector and an adapter used in a fuel device of an automobile, and in detail, to form a small fitting hole of the connector coupled to the other end of the fuel pipe and to change the shape of the adapter coupled to the connector The present invention relates to a coupling structure of a connector and an adapter used in a fuel device of an automobile, which can easily combine and detach the adapter and facilitate the inspection or after-sales service of the fuel device.

In general, automobiles use fossil fuels such as gasoline and diesel, and a fuel device is required to supply fossil fuels to the engine.

The fuel system is a device that mixes fuel and air or supplies fuel only to a cylinder, which is plated with tin or zinc inside to prevent corrosion and has a partition to increase the rigidity and strength of the tank. Fuel tank which prevented fuel fluctuation during operation, fuel pipe connecting each part of fuel device, and dust and water contained in the fuel are filtered before the fuel reaches the vaporizer And a fuel filter for preventing a narrow passage of a vaporizer, a jet, a nozzle, and the like from being blocked, a fuel pump for sucking fuel from a fuel tank and feeding the fuel to a vaporizer.

In the fuel pipe installed between the dual vaporizer and the fuel pump, a connection means for the fuel pipe is required to install the fuel pipe in the fuel pump, and the connection means comprises a connector and an adapter.

The coupling structure of the connector and the adapter will be described in detail as follows.

1 is an exploded perspective view illustrating a coupling structure of a connector and an adapter used in a conventional vehicle fuel apparatus, and FIG. 2 is a cross-sectional view illustrating a state in which a connector and an adapter used in the conventional vehicle fuel apparatus are coupled.

As shown therein, the connector 110 has one end formed to be inclined at a predetermined angle, but an installation portion 111 having a plurality of engaging protrusions 111a is formed at an outer circumference thereof, and on both sides of the other end of the installation portion 111. Fitting holes 112 and 113 are formed, and the insertion hole 114 is formed therein.

The adapter 120 has a support piece 121 having nipple holes 121a and 121b formed at both sides thereof, a fuel flow hole 122 formed at a front center of the support piece 121, and a handle portion protruding rearwardly outward. It consists of 123.

In addition, the wing parts 124 and 124a are integrally formed in the nipple holes 121a and 121b so that the nipple holes 121a and 121b may be fitted into and fixed to the fitting holes 112 and 113 of the connector 110. A locking groove 125 is formed between the 124a and the handle 123, and an opening 126 that is opened up and down is formed between the support pieces 121.

The opening 126 is inserted into the nipple (130) installed in the fuel pump (not shown in the figure), a plurality of engaging projections (131, 132) are integrally formed at one side of the nipple (130). The coupling protrusions 131 and 132 are fitted into the front of the nipple holes 121a and 121b where the wing portions 124 and 124a are formed and fixed.

Hereinafter, reference numeral 117 is an airtight ring installed at a predetermined position inside the insertion hole 114 of the connector 110.

In order to combine the conventional connector and the adapter configured as described above, first, the installation portion 111 formed on one side of the connector 110 is connected to the other end of the fuel pipe 140 on which one side is installed, and then the connector ( The adapter 120 is coupled to the other end of the 110. Then, the other end of the connector 110 is caught by the locking groove 125 formed between the wing portions 124 and 124a of the adapter 120 and the handle portion 123 of the support piece 121, so that the adapter 120 Is not separated from the connector 110.

When the adapter 120 is inserted into and fixed to the connector 110, the nipple 130 of the fuel pump installed at a predetermined position of the fuel tank may be inserted into the opening 126 of the adapter 120. Then, the engaging projections 131 and 132 formed at a predetermined position of the nipple 130 are formed in the space formed between the nipple holes 121a and 121b of the support piece 121 and the front of the wing portions 124 and 124a. The nipples 130 are fixed so that they do not fall out of the adapter 120.

When the coupling of the connector 110, the adapter 120 and the nipple 130 is completed as described above, one end of the fuel pipe 140 may be connected to the carburetor.

In this coupled state, the fuel in the fuel tank is pumped by the fuel pump, and the fuel pumped by the fuel pump is pumped back to the vaporizer through the fuel pump nipple 130 and the fuel pipe 140.

In this case, when the fuel in the fuel tank is pumped by the fuel pump, water leakage may occur at the connector 110 and the nipple 130, and the leakage may be prevented by the ring 117 installed inside the connector 110. .

However, in this conventional technology, not only the work time was required to install the connector 110 and the adapter 120 and the nipple 130, but also the adapter 120 did not fall out of the connector 110 during maintenance. .

That is, in order to combine the prior art as described above, the adapter 120 is installed at the other end of the connector 110, and then the nipple 130 is inserted and installed through the opening 126 of the adapter 120. Therefore, it took a lot of work time, and also to remove the connector 110 and the adapter 120 and the nipple 130 during the inspection of the fuel device or A / S both sides of the handle 123 of the adapter 120 After pressing from the adapter 120 should be detached from the connector 110. In this case, the wing portions 124 and 124a of the adapter 120 are not caught well at the other end of the connector 110, and the adapter 120 is not detached. Even though the connector 110 is pulled out, the nipple 130 is pulled out integrally with the adapter 120, and there is an inconvenience in that the nipple 130 needs to be detached from the adapter 120 again.

The present invention has been made to solve the above problems of the prior art, the technical problem of the present invention is to form a small fitting hole of the connector coupled to the other end of the fuel pipe and to change the shape of the adapter coupled to the connector The connector and the adapter can be easily combined, and the adapter and the nipple can be detached and detached at the same time so that the fuel device can be easily inspected or serviced.

The technical problem of the present invention is a connecting means for connecting a fuel pipe, one side is installed in the carburetor of the fuel device and the nipple installed in the fuel pump, the fuel means is a plurality of outer periphery on one side of the fuel pipe is coupled to the other end An installation part having a locking protrusion is provided, and fitting holes are formed at both sides of the other side of the installation part, and an insertion hole is formed therein, and a pressing part is formed at both sides to be inserted into the insertion hole of the connector and coupled to the fitting hole, respectively. The pressing portion is achieved by providing a coupling structure of a connector and an adapter for use in a fuel device of a vehicle, characterized in that the center portion of each rib is connected by ribs formed on upper and lower portions of the inner side thereof.

1 is an exploded perspective view showing a coupling structure of a connector and an adapter used in a conventional vehicle fuel apparatus.

Figure 2 is a cross-sectional view showing a state in which the connector and the adapter are used in the conventional vehicle fuel system.

Figure 3 is an exploded perspective view showing a coupling structure of the connector and the adapter used in the vehicle fuel apparatus of the present invention.

Figure 4 is a cross-sectional view showing a state in which the connector and the adapter are used in the vehicle fuel apparatus of the present invention.

5 is an installation state of the present invention.

<Explanation of symbols for main parts of drawing>

10: fuel device 20: carburetor

30: fuel pipe 40: connector

41: mounting portion 41a: locking projection

42, 42a: fitting hole 43: insertion hole

50: adapter 51, 51a: pressing part

52: rib 53,54: close contact

53a, 54a: coupling groove 60: fuel pump

61: nipple

Hereinafter, with reference to the accompanying drawings an embodiment of the present invention will be described the configuration of the present invention.

3 is an exploded perspective view illustrating a coupling structure of a connector and an adapter used in an automobile fuel apparatus of the present invention, and FIG. 4 is a cross-sectional view illustrating a state in which a connector and an adapter used in the automobile fuel apparatus of the present invention are coupled. 5 is an installation state diagram of the present invention.

As shown in Figure 3 to 5, the present invention is a vaporizer 20, a fuel pipe 30, one side is installed on the vaporizer 20, a fuel pump 60 is provided with a nipple 61, It is composed of a connector 40 and an adapter 50 connecting the other end of the fuel pipe 30 and the nipple 61.

The connector 40 is coupled to the other end of the fuel pipe 30, one side of the outer periphery is provided with an installation portion 41 formed a plurality of locking projections (41a) to the other side of the installation portion 41 The fitting holes 42 and 42a are formed at both sides, and the insertion hole 43 is formed therein.

The adapter 50 is coupled to the insertion hole 43 of the connector 40, and the adapter 50 has pressing portions 51 and 51a formed at both sides thereof, respectively, and each pressing portion 51 and 51a. Ribs 52 having elastic force are provided at upper and lower inner sides of the upper surface, and the close pieces 53 and 54 are formed at the center of the ribs 52, respectively. In addition, an opening 55 is formed inside the rib 52 connecting the pressing portions 51, 51a and the close contact pieces 53, 54 so that the nipple 61 can be inserted therein. Coupling grooves 53a and 54a are formed at the bottom of 53 and 54.

In addition, at one predetermined position of the nipple 61 installed in the fuel pump 60, coupling protrusions 61a and 61b coupled to the coupling grooves 53a and 54a of the contact pieces 53 and 54 are formed. have.

The fuel pump 60 is provided at a predetermined position of the fuel tank 70.

Hereinafter, the reference numeral 47 is an airtight ring installed at a predetermined position inside the insertion hole 43 of the connector 40.

The assembly state and the effect of the present invention configured as described above will be described in detail. First, the installation portion 41 of the connector 40 on the other side of the fuel pipe 30, one side of which is installed on the vaporizer 20 of the engine (not shown in the drawing). ), And then install the adapter 50 through the other insertion hole 43 of the connector 40. Then, the pressing portions 51 and 51a of the adapter 50 are coupled to the fitting holes 42 and 42a of the connector 40 and protrude outwards so that the adapter 50 is not separated from the connector 40.

When the adapter 50 is coupled to the connector 40, the nipple 61 installed in the fuel pump 60 may be coupled to the opening 55 of the adapter 50. At this time, the engaging projection (61a) (61b) formed at a predetermined position of the nipple (61) is coupled to the coupling groove (53a) (54a) formed on the bottom surface of the close contact piece 53 (54) of the adapter 50, the nipple (61) This adapter 50 will not fall out.

When the coupling of the connector 40 and the adapter 50 and the nipple 61 is completed, one side of the fuel pipe 30 may be connected to the vaporizer 20.

In this coupled state, the fuel in the fuel tank 70 is pumped to the fuel pump 60, and the fuel pumped by the fuel pump 60 is again the nipple 61 and the fuel pipe 30 of the fuel pump 60. It will be sent to the carburetor 20 through).

At this time, when the fuel in the fuel tank 70 is pumped by the fuel pump 60, water leakage may occur at the connection portion between the connector 40 and the nipple 61. Such leakage may be caused by a ring 47 installed inside the connector 40. ) Can be prevented.

On the other hand, at the time of inspection or A / S of the connector 40 and the adapter 50, first, one side of the fuel pipe 30 is separated from the vaporizer 20, and then the adapter 50 coupled to the connector 40 is pressed. Press portions 51 and 51a. Then, the ribs 52 formed in the upper and lower portions of the inner surfaces of the pressing parts 51 and 51a are extended up and down to connect the respective pressing parts 51 and 51a, and at the same time, the close contact piece 53 formed in the center of the ribs 52 is provided. 54 is in close contact with the inner circumferential surface of the connector 40 so that the pressing portions 51 and 51a of the adapter 50 are removed from the fitting holes 42 and 42a of the connector 40. In this state, when the pressing portions 51 and 51a of the adapter 50 are pushed in the other direction of the connector 40, the pressing portions 51 and 51a of the adapter 50 are inserted into the insertion holes of the connector 40 ( 43) is separated from the connector 40 and the adapter 50 is to check and replace. At this time, when the adapter 50 is separated from the connector 40, the nipple 61 is removed from the adapter 50 at the same time, which is the contact piece 53, 54 in the center by the pressing portions 51, 51a. As the formed ribs 52 are stretched up and down, the coupling protrusions 61a and 61b of the nipple 61 may be pulled out of the coupling grooves 53a and 54a of the contact pieces 53 and 54.

In this way, the present invention can simplify the coupling of the connector 40 and the adapter 50 as well as separate and detach the adapter 50 and the nipple 61 from the connector 40 at the same time. It is the invention which can be made easy.

According to the coupling structure of the connector and the adapter used in the fuel device of the present invention as described above, by forming a small fitting hole of the connector coupled to the other end of the fuel pipe and changing the shape of the adapter coupled to the connector and the adapter Can be easily combined, and the adapter and nipple can be detached and detached from the connector at the same time, thereby facilitating A / S and inspection.

Claims (2)

In the connecting means for connecting the fuel pipe having one side installed in the carburetor of the fuel device and the nipple installed in the fuel pump, the fuel means is a plurality of locking projections 41a at one outer periphery to be coupled to the other end of the fuel pipe (30) An installation portion 41 having a), and fitting holes 42 and 42a are formed at both sides of the installation portion 41, and an insertion hole 43 is formed therein; And pressing portions 51 and 51a are formed at both sides of the connector 40 to be inserted into the insertion hole 43 of the connector 40 to be coupled to the fitting holes 42 and 42a, and the pressing portions 51 and 51a may be formed. An adapter 50 connected by ribs 52 formed on upper and lower portions of an inner surface thereof, and a close contact piece 53 and 54 formed at a center of the ribs 52; The coupling structure of the connector and the adapter used in the fuel device of the vehicle, characterized in that consisting of. 2. The connector structure of claim 1, wherein coupling grooves (53a, 54a) are formed at the bottom of the contact piece (53) (54) of the adapter (50).