TWI762347B - Butt joint structure of connector - Google Patents

Abstract

A butt-buckling structure of a connector, comprising: a first joint has a circular tube at one end and is provided with a joint part; the other end of the first joint is provided with a joint bottom; The first joint is protruded with two blocks between the butt portion and the annular surface, and two dodge openings are symmetrically spaced between the two blocks, and two positioning blocks are protruded from the inner edge of a snap ring. And the outer edge of the snap ring is formed with at least one hook body, the snap ring is sleeved into the butt portion of the first connector, and the positioning block is aligned with the dodging opening, allowing the snap ring to cross the stopper , and rotate the snap ring to make the positioning block sandwiched between the stopper and the annular surface, thereby having the function of replacing the snap ring with different specifications, and selecting the second connector to be docked This hook is available in different styles or lengths.

Description

Butt joint structure of connector

The present invention relates to an improvement in the structure of a connector, in particular to a butt-buckling structure of the connector which has both replaceability, quick assembly and stable buckle.

With the development trend of miniaturization and multi-function of electrical equipment, the requirements for connectors are increasing day by day. Connectors are mainly used to connect the power supply, signal source and various electronic devices, thereby providing power or transmitting signals. It is indispensable One of the important electrical components, because the wire itself has the characteristics of being flexible at will, and is used in various complex use occasions, so how to be easy to plug and not easily detach is a necessary function for the connector. Specifically, In other words, when the use environment is a mobile vehicle such as a vehicle, an aircraft, a ship, etc., the electrical equipment is in a state of continuous shaking during use. Therefore, it is easy to cause the connector to be disconnected, which will interrupt the power supply or transmission signal. In light cases, the running electrical equipment may fail or crash, and in severe cases, it may even cause damage to the electrical equipment or casualties. In order to eliminate the self-detachment of the conventional connectors, it is common that the connectors are provided with hooks that can be hooked to each other. However, it is not difficult to find that there are still some deficiencies in the above-mentioned conventional structure. The main reasons are as follows: most of the barbs are integrally formed in the The connector is covered on the connector or the injection is coated on the connector, so different barbs cannot be replaced according to the needs of use, and the material of the barbs is the same as the plastic of the connector, which cannot have structural rigidity Due to the elasticity of deformation, the specification of the barb applied to the connector is limited by the material, and a small number of connectors adopt the separate barb, and the barb is fixed by two-way buckle or screw lock. It has the disadvantage that the barb is not easy to assemble or the barb is easy to disengage. To sum up, the present invention provides a better solution that can simultaneously solve the above-mentioned technical problems.

In view of this, the inventor of the present invention has been engaged in the manufacture, development and design of related products for many years, aiming at the above-mentioned goals, after detailed design and careful evaluation, finally came up with a practical invention.

The technical problem to be solved by the present invention is to provide a butt-buckling structure for a connector in view of the above-mentioned deficiencies in the prior art.

One end of a first connector is in the shape of a circular tube and is provided with a butt portion, and a plurality of first terminals are arranged in the butt portion, and the other end of the first connector is provided with a connector bottom, and the bottom of the connector forms a torus toward the butt portion , and the first joint is protruded with two blocks between the butt portion and the annular surface, and the two blocks are symmetrically arranged on the periphery of the cylindrical outer surface of the butt portion, and are symmetrical between the two blocks There are two dodge openings at intervals, two positioning blocks are protruded from the inner edge of a buckle ring, and at least one hook body is formed on the outer edge of the buckle ring, and the hook body extends with a pressing part, and the buckle ring is sleeved into The abutting portion of the first connector, and the positioning block is aligned with the dodging opening, so that the snap ring spans the block, and the snap ring is rotated so that the positioning block is sandwiched between the block and the ring between the faces.

The first connector extends a wire sheath at the bottom of the connector, and the wire sheath and the docking portion are arranged perpendicular to each other, and the snap ring is limited to the stopper and the ring When the hook is not elastically deformed, the hook body is blocked by the wire sheath, so that the snap ring cannot be separated from the first connector.

Wherein the wire sheath is facing any of the dodging openings, and the hook body is arranged on the outside of the positioning block, and the hook body is elastically deformed to squeeze the wire sheath. between the stopper and the annular surface.

The bottom of the joint is symmetrically protruded with two wings, the two wings are facing the two stoppers, and the pressing part of the hook body is placed obliquely in front of the wings, so that when the finger presses the pressing part, it can simultaneously The action of pulling out the first connector is performed by pressing the wing.

It further includes a second connector, the second connector is formed with a fixing plate, and a hole is recessed in the center of the fixing plate, and a plurality of second terminals are arranged in the hole, and the first connector is connected with the docking part. The socket is inserted into the socket, and the first terminal is in contact with the second terminal to form a conductive connection.

A ring groove is concavely formed on the peripheral edge of the outer surface of the abutting portion, and a water stop ring is installed in the ring groove, and the water stop ring part protrudes outside the ring groove and abuts against the inner wall of the socket, thereby A first layer of waterproof effect is formed between the first joint and the second joint.

The second connector is provided with a washer at the bottom of the socket, and the abutting portion of the first connector is pressed against the washer to form waterproofing, thereby forming a second layer between the first connector and the second connector Waterproof effect.

The outer edge of the fixing plate is protruded with at least one hook seat, and the hook seat is recessed with a hook groove, so that the hook body of the fastening ring is inserted into the hook groove to form a fastening and fixing.

At least one hook arm extends from the outer edge of the fixing plate, and the hook arm and the hook body of the buckle ring are fastened and fixed to each other, and the fixing plate is concavely formed with a dodge groove at the position of the hook arm. , and the dodging groove provides the snap ring to rotate the hook body away from the hook arm.

At least one concave hole is concavely formed on the first joint at the stopper, and at least one protrusion is protruded from the locating ring on the locating block, and the protrusion is inserted into the concave hole to form the locking ring The positioning effect with the first joint.

The main purpose of the present invention is that the first joint is provided with the annular surface and the adjacent two blocks and the two dodging openings, so that the snap ring can be directly sleeved on the butting portion of the first joint, and the positioning block is aligned with the dodging opening, and the snap ring spans the stopper, and then the snap ring is rotated by an appropriate angle, so that the positioning block is sandwiched between the stopper and the annular surface, That is, the snap ring can be quickly assembled to the first connector, and has the function of replacing the snap ring of different specifications, so that the hook body of different styles or lengths can be selected according to the second connector to be connected, To effectively improve its usability.

Other objects, advantages and novel features of the present invention will become more apparent from the following detailed description and the associated drawings.

〔this invention〕

10: The first connector

11: Butt joint

111: Ring groove

12: The first terminal

13: Bottom of the connector

131: Torus

132: Wings

14: Stop

141: Dodge mouth

142: Recessed hole

15: Waterstop

16: Wire sheath

20: snap ring

21: Positioning block

211: bump

22: Hook

221: Pressing part

30: Second connector

31: Fixed plate

311: Dodge slot

32: jack

33: The second terminal

34: Hook seat

341: Hook groove

35: Gasket

36: hook arm

FIG. 1 is a perspective view of the present invention.

FIG. 2 is an exploded perspective view of the present invention.

Figure 3 is an exploded side view of the first joint of the present invention.

FIG. 4 is a schematic diagram (1) of the steps of assembling the snap ring of the first connector of the present invention.

FIG. 5 is a schematic diagram (2) of the steps of assembling the snap ring of the first connector of the present invention.

FIG. 6 is a schematic diagram (3) of the steps of assembling the snap ring of the first connector of the present invention.

FIG. 7 is a schematic diagram of the present invention to prevent the snap ring from being disengaged by itself.

FIG. 8 is a top sectional view of the present invention before the first connector and the second connector are inserted into each other.

FIG. 9 is a top sectional view of the present invention after the first connector and the second connector are inserted into each other.

FIG. 10 is a sectional view of the action of the first connector pulling out the second connector according to the present invention.

FIG. 11 is a perspective view of a second connector according to another embodiment of the present invention.

FIG. 12 is an exploded perspective view of the first connector according to another embodiment of the present invention.

In order to enable your examiners to have a further understanding and understanding of the purpose, features and effects of the present invention, please cooperate with (simple description of the drawings) as follows:

First, from FIG. 1 to FIG. 6 , a docking and snap-fit structure of a connector includes: a first connector 10 , a snap ring 20 and a second connector 30 , and a first connector 10 One end is in the shape of a circular tube and is provided with a docking portion 11 , and a plurality of first terminals 12 are arranged in the docking portion 11 . The other end of the first joint 10 is provided with a joint bottom 13 , and the joint bottom 13 is formed with a joint toward the docking portion 11 . The annular surface 131 , and the first connector 10 protrudes with two blocks 14 between the butt portion 11 and the annular surface 131 . , and two dodging openings 141 are symmetrically spaced between the two blocks 14 , two positioning blocks 21 are protruded from the inner edge of a snap ring 20 , and at least one hook body 22 is formed on the outer edge of the snap ring 20 , The hook body 22 extends with a pressing portion 221 , and the snap ring 20 is sleeved on the abutting portion 11 , and the positioning block 21 is sandwiched between the blocking block 14 and the annular surface 131 . Connector 10 in A wire sheath 16 extends from the bottom 13 of the joint, and the wire sheath 16 and the docking portion 11 are arranged perpendicular to each other, and the wire sheath 16 is facing any of the dodging openings 141 , and the hook body 22 is disposed on the On the outer side of the positioning block 21, a second connector 30 is formed with a fixing plate 31, a hole 32 is recessed in the center of the fixing plate 31, and a plurality of second terminals 33 are arranged in the hole 32, and the first connector 10. The docking portion 11 is inserted into the socket 32, and the first terminal 12 is in contact with the second terminal 33 to form a conductive connection, and the outer edge of the fixing plate 31 is protruded with at least one hook seat 34, and the hook seat 34 is recessed with a hook groove 341 , and the hook body 22 of the snap ring 20 is inserted into the hook groove 341 to form a snap fit.

The combination and function of its structure, please continue from Fig. 1 to Fig. 7, first insert the snap ring 20 into the abutting portion 11 of the first connector 10, and the positioning block 21 is aligned with the dodging The opening 141 allows the snap ring 20 to cross the block 14, and then rotate the snap ring 20 so that the positioning block 21 is sandwiched between the block 14 and the annular surface 131, wherein the wire sheath 16 is facing the dodging opening 141, and the hook body 22 is arranged on the outside of the positioning block 21, so when the positioning block 21 is aligned through the dodging opening 141, the pressing portion 221 of the hook body 22 will be squeezed When the wire sheath 16 is elastically deformed by the user's pressing force, and the hook body 22 is elastically deformed to squeeze the wire sheath 16, the buckle can be rotated. ring 20, insert the snap ring 20 between the stopper 14 and the annular surface 131, thereby quickly positioning the snap ring 20 between the stopper 14 and the annular surface 131, and the same It is understood that when the snap ring 20 is limited between the block 14 and the annular surface 131, the hook body 22 that is not elastically deformed is blocked by the wire sheath 16, so that the snap ring 20 cannot be disengaged The first connector 10 thus achieves the effect of preventing the snap ring 20 from being separated from the first connector 10 by itself. As shown in Figs. 8 and 9, the first connector 10 is inserted into the socket 32 with the docking portion 11 to form a guide between the first terminal 12 and the second terminal 33. At the same time, the hook body 22 of the snap ring 20 is inserted into the hook groove 341, so that the hook body 22 is fastened and fixed to the hook seat 34, thereby connecting the first connector 10 and the second connector 30, and The effect of stable connection is achieved by means of snapping, wherein a ring groove 111 is concavely formed on the periphery of the outer surface of the butt portion 11, and a water stop ring 15 is installed in the ring groove 111, and the water stop ring 15 is partially convex. Outside the ring groove 111 and against the inner wall of the socket 32 , a first waterproof effect is formed between the first connector 10 and the second connector 30 , and the second connector 30 is connected to the socket 32 A gasket 35 is installed at the bottom, and the abutting portion 11 of the first connector 10 presses against the gasket 35 to form waterproofing, thereby forming a second waterproof effect between the first connector 10 and the second connector 30 .

As shown in Fig. 10, two wings 132 are symmetrically protruded from the bottom 13 of the joint. The two wings 132 are facing the two blocks 14, and the pressing portion 221 of the hook 22 is inclined. In front of the wing portion 132 , when the first connector 10 and the second connector 30 are in the connected state and are about to be separated, let your finger press the pressing portion 221 , and simultaneously press the wing portion 132 to pull out the first connector 10 This action can control the hook body 22 and hold the joint bottom 13 at the same time, and separate the first joint 10 and the second joint 30 according to the situation. It has the effect of facilitating insertion and removal by applying force, and further through the blocking of the pressing portion 221 by the wing portion 132, it can prevent the hook body 22 from being broken due to excessive pressing of the pressing portion 221, so as to effectively improve its durability. Spend.

According to another embodiment of the present invention, as shown in FIG. 11 , at least one hook arm 36 extends from the outer edge of the fixing plate 31 , and the hook arm 36 is connected to the hook body 22 of the snap ring 20 . The fixing plate 31 is concavely formed with a dodging slot 311 at the position facing the hook arm 36 , and the dodging slot 311 provides the snap ring 20 to rotate the hook body 22 away from the hook arm 36 , that is, the user can choose to apply force to press the pressing portion 221, and use the upper swing of the hook body 22 to escape from the pressing portion 221. The hook arm 36, or by rotating the snap ring 20 at an appropriate angle, allows the hook body 22 to slide away from the hook arm 36, thereby having the function of pulling out the first connector 10 in different ways. Pulling out the first connector 10 in a moving manner has the practical function of labor-saving operation.

According to another embodiment of the present invention, as shown in FIG. 12 , the first connector 10 has at least one concave hole 142 recessed at the block 14 , and the snap ring 20 is located at the positioning block 21 . At least one protrusion 211 is protruded, and the protrusion 211 is inserted into the concave hole 142 to form the positioning effect of the snap ring 20 and the first connector 10 , thereby improving the positioning stability of the snap ring 20 .

With the structure of the above-mentioned specific embodiment, the following benefits can be obtained: the first connector 10 is provided with the annular surface 131 , the two stoppers 14 and the two avoidance openings 141 disposed adjacently, allowing the snap ring 20 to be closed. It can be directly sleeved on the docking portion 11 of the first connector 10, and the positioning block 21 is aligned with the dodging opening 141 so that the locking ring 20 can cross the blocking block 14, and then the locking ring 20 can be rotated properly. Angle, the positioning block 21 is sandwiched between the block 14 and the annular surface 131, that is, the snap ring 20 can be quickly assembled to the first connector 10, and the snap ring 20 can be replaced with different specifications. The function of the ring 20 is to select different styles or lengths of the hook body 22 in accordance with the second connector 30 to be connected, so as to effectively improve its practicability. Furthermore, the material with high elasticity can be used to separately manufacture the hook body 22 . The buckle ring 20 can provide sufficient elastic deformation ability and can select a material that meets the structural hardness required by the butt joint 11 , so that appropriate materials can be selected according to requirements, material cost and processing can be reduced. cost.

To sum up, the present invention has indeed achieved a breakthrough structural design, and has an improved content of the invention, and at the same time can achieve industrial applicability and progress, and the present invention has not been found in any publications, and it is also novel. Comply with the provisions of the relevant laws and regulations of the Patent Law, Law filed an application for a patent for invention, and I implore the examiners of the Jun Bureau to grant the legal patent right, and I am very grateful.

Only the above is only a preferred embodiment of the present invention, and should not be used to limit the scope of implementation of the present invention; that is, all equivalent changes and modifications made according to the scope of the patent application of the present invention should still belong to the present invention. covered by the patent.

10: The first connector

11: Butt joint

111: Ring groove

12: The first terminal

13: Bottom of the connector

131: Torus

132: Wings

14: Stop

141: Dodge mouth

15: Waterstop

16: Wire sheath

20: snap ring

21: Positioning block

22: Hook

221: Pressing part

30: Second connector

31: Fixed plate

32: jack

33: The second terminal

34: Hook seat

341: Hook groove

Claims (10)

A butt-buckling structure of a connector comprises: a first joint, one end of which is in the shape of a circular tube and is provided with a butt portion, and a plurality of first terminals are arranged in the butt portion, and the other end of the first joint is provided with a joint bottom, And the bottom of the joint is formed with an annular surface toward the butt portion, and the first joint is protruded with two blocks between the butt portion and the annular surface, and the two blocks are symmetrically arranged on the circular tubular shape of the butt portion. a peripheral edge of the outer surface, and two dodge openings are symmetrically spaced between the two stoppers; and a buckle ring, the inner edge of which is protruded with two positioning blocks, and the outer edge of the buckle ring is formed with at least one hook body, The hook body extends with a pressing portion, and the snap ring is sleeved into the butt portion of the first connector, and the positioning block is aligned with the dodging opening so that the snap ring spans over the stopper, and the snap ring is rotated. The closing ring allows the positioning block to be sandwiched between the blocking block and the annular surface. The butt-fastening structure of the connector according to claim 1, wherein a wire sheath extends from the bottom of the first connector, and the wire sheath and the abutting portion are arranged in a perpendicular shape to each other, and the fastening ring is limited to When between the stopper and the annular surface, the hook body which is not elastically deformed is blocked by the wire sheath, so that the snap ring cannot be separated from the first joint. The butt-fastening structure of the connector of claim 2, wherein the wire sheath is facing any one of the dodging openings, the hook is disposed outside the positioning block, and the hook is elastically deformed to squeeze the wire sheath The snap ring can only be placed between the stopper and the annular surface when it is in the state of being sleeved. As claimed in claim 3, the butt-fastening structure of the connector, wherein two wings are symmetrically protruded from the bottom of the connector, the wings are facing the two stoppers, and the pressing portion of the hook body is inclined It is placed in front of the wing portion, and when a finger presses the pressing portion, the wing portion can be simultaneously pressed to perform the action of pulling out the first connector. The butt-buckling structure of the connector of claim 1, further comprising a second connector, the second connector is formed with a fixing plate, and a hole is recessed in the center of the fixing plate, and a plurality of holes are arranged in the hole A second terminal, and the first connector is inserted into the socket through the butt portion, and the first terminal contacts the second terminal to form a conductive connection. As claimed in claim 5, the butt-fastening structure of the connector, wherein a ring groove is recessed on the periphery of the outer surface of the butting portion, and a water stop ring is installed in the ring groove, and a portion of the water stop ring protrudes from the ring The groove is outside and abuts against the inner wall of the socket, thereby forming a first waterproof effect between the first connector and the second connector. The butt-buckling structure of the connector of claim 6, wherein the second connector is provided with a washer at the bottom of the socket, and the abutting portion of the first connector is pressed against the washer to form waterproof, thereby forming the first connector A second layer of waterproof effect between a joint and the second joint. The butt-fastening structure of the connector of claim 5, wherein at least one hook seat is protruded from the outer edge of the fixing plate, and the hook seat is recessed with a hook groove, so that the hook body of the fastening ring can be inserted into the hook groove Form a snap fit. The butt-fastening structure of the connector according to claim 5, wherein at least one hook arm extends from the outer edge of the fixing plate, and the hook arm and the hook body of the fastening ring are fastened and fixed to each other, and the fixing plate A dodging groove is concavely formed at the position of the hook arm, and the dodging groove provides the fastening ring to rotate the hook body away from the hook arm. The butt-fastening structure of the connector of claim 1, wherein the first connector is recessed with at least one concave hole at the stopper, and the snap ring is provided with at least one protrusion at the positioning block, and The protrusion is inserted into the concave hole to form the positioning effect of the snap ring and the first joint.

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