CN212338510U

CN212338510U - Automatic locking connecting device with checking function

Info

Publication number: CN212338510U
Application number: CN202021396706.1U
Authority: CN
Inventors: 徐�明; 曹树林; 王楠; 申太明; 杨毅; 徐梓净; 韩宗俊
Original assignee: Chongqing Sulian Plastic Co ltd
Current assignee: Chongqing Sulian Plastic Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-01-12
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses an automatic locking connecting device with checking function, which comprises a male plug provided with a boss and a connecting sleeve (1), wherein a cavity is arranged in the connecting sleeve (1), one side of the connecting sleeve (1) is provided with a jack (11) communicated with the cavity, the other side is provided with a mounting hole (12) communicated with the cavity, two abdicating holes (13) communicated with the cavity are symmetrically arranged on the connecting sleeve (1), the inner wall of the cavity is provided with a transition inclined plane (131), and the bottom surface is provided with a abdicating inclined plane (15); a locking block (2) extending into the cavity from the mounting hole (12) is arranged in the cavity, and a reset device is arranged on the locking block (2). The utility model discloses set up the locking piece of taking elasticity reset plate in the adapter sleeve, can lock the male plug, can swiftly inspect the assembly condition in place of male plug again, simple structure is compact, the simple operation.

Description

Automatic locking connecting device with checking function

Technical Field

The utility model relates to an auto-parts makes technical field, in particular to automatic locking connecting device with check-up function.

Background

At present, the quick connecting device widely applied to an automobile (fuel oil) pipeline system mainly adopts a single locking mechanism. Generally, a single locking mechanism connecting device does not have a function of verifying whether a male joint is mounted in place during an assembling process, resulting in a high risk of the male joint failing to be mounted in place. Moreover, individual single locking mechanism quick connecting devices with the checking and error-proof functions cannot realize the automatic locking function, so that the assembly efficiency is low; further, the single-lock mechanism connecting device often requires a large (lock & unlock) operation space, and therefore, the design of the surrounding vehicle body structural environment and the attachment posture of the connecting device itself is influenced more.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an automatic locking connecting device with calibration function that dismouting both had been convenient for, the inspection locking state of being convenient for again.

The technical scheme of the utility model as follows:

an automatic locking connection device with a checking function comprises a male plug provided with a boss and a connecting sleeve, wherein a cavity is arranged in the connecting sleeve, a locking block is arranged in the cavity, an inserting hole which penetrates through the connecting sleeve up and down is arranged on the connecting sleeve, one side of the connecting sleeve is provided with a mounting hole, and the other side of the connecting sleeve is provided with two abdicating holes; the inner wall of the cavity is provided with a positioning column at one side position corresponding to the hole opening of the abdicating hole, a section of transition inclined plane is arranged at the other side position corresponding to the hole opening of the abdicating hole, the bottom of the cavity, which is adjacent to the bottom of the mounting hole, is a horizontal plane, and a section of abdicating inclined plane is arranged at the bottom adjacent to the abdicating hole; the locking device is characterized in that a through hole is formed in the locking block, one side of the orifice of the through hole is provided with a guide inclined plane, two extension sections extending out horizontally are symmetrically arranged on one side of the locking block, a clamping block is arranged on one side of the extending end of each extension section, a clamping groove structure is formed among the clamping block, the extension sections and the end face of the corresponding end of the locking block, and a reset device abutted against the outer side of the connecting sleeve is arranged at the lower end of the locking block.

Adopt above-mentioned structure, extrude the corresponding position of both sides extension section earlier, make the end that stretches out of both sides extension section draw close, and put into the mounting hole, the lower terminal surface of lock piece and the horizontal plane laminating of installation cover cavity bottom surface, then, push the lock piece into in the cavity, when the extension section removes transition inclined plane position, in the moving direction, the position department that corresponds the transition inclined plane in the cavity widens gradually, the guide block moves along transition inclined plane, until no longer with the contact of cavity inner wall, the extension section of both sides expandes gradually, and finally make the fixture block, the draw-in groove joint that forms between extension section and the lock piece is on the reference column, and simultaneously, elasticity reset plate and adapter sleeve outside butt.

When in use, the male plug is inserted from top to bottom, the lower end surface of the lug boss on the male plug is firstly abutted with the guide inclined plane, at the abutting position, the boss presses the locking block downwards, the extending section of the locking block bends downwards and is attached to the abdicating inclined plane, at the moment, the clamping groove is separated from the positioning column, under the action of the relative movement of the boss and the guide inclined plane, the locking block moves a section into the cavity, the upper end surface of the corresponding position of the locking block is abutted and limited with the lower end surface of the positioning column, the elastic reset plate is compressed, contracted and deformed, after the boss passes through the locking block, the male plug is inserted in place, the elastic reset plate rebounds under the action of elastic force to drive the locking block to move outwards from the cavity, when the draw-in groove removed the below of reference column, the up end that the locking piece corresponds the position no longer the butt spacing with the lower terminal surface of reference column, and locking piece pressurized position upwards lifts rapidly to make the draw-in groove fix a position with the reference column joint once more.

During disassembly, the extending sections on the two sides are pressed simultaneously to separate the clamping groove from the positioning column, one end of the locking block corresponding to the elastic reset plate is extruded, the locking block moves towards the cavity, and the through hole position is opposite to the boss position of the male plug, so that the male plug can be quickly pulled out; and finally, the guide boss is loosened, the locking block moves to the position of the mounting hole under the elastic action of the elastic reset plate, and the clamping groove is clamped on the positioning column again.

In the operation process, if the boss of the male plug is not installed in place, the male plug cannot be fixed and limited after being inserted, or the situation that the locking block cannot be pushed into the connecting sleeve occurs, or even if the male plug can be pushed, the male plug cannot be retracted to form clamping stagnation, so that the assembly efficiency is influenced.

In order to reduce the assembling interference better, the clamping block is preferably provided with a round angle, and the other side of the extending end of the extending section is provided with a guide boss.

In order to simplify the structure, reach automatic re-setting's purpose simultaneously, as preferred the lower extreme of locking piece is equipped with the connecting block be equipped with one section convex elasticity on the inside wall of connecting block and reset the board, elasticity resets and forms an upper and lower open-ended through-hole between board and the connecting block, the lateral wall on this elasticity resets board circular arc summit and the corresponding position butt in the adapter sleeve outside.

For convenience of operation, the outer side wall of the locking block is preferably provided with an anti-skid groove.

For convenience of manufacture, the resilient return plate is preferably made of a nylon 66 material.

For the convenience of production, the extension section, the fixture block and the guide block are preferably made of nylon 66 material through integral injection molding.

Has the advantages that: the utility model discloses set up the locking piece of taking elasticity reset plate in the adapter sleeve, can lock the male plug, can swiftly inspect the assembly condition in place of male plug again, simple structure is compact, the simple operation.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a schematic structural diagram of the connecting sleeve.

Fig. 3 is a left side view of fig. 2.

Fig. 4 is a schematic view of the cavity structure of the connecting sleeve.

Fig. 5 is a schematic structural diagram of the locking block.

Fig. 6 is a bottom view of fig. 5.

Fig. 7 is an assembly state diagram of the present invention.

Fig. 8 is a schematic view of a male plug and the installation structure of the present invention.

Fig. 9 is a schematic view of an installation process of the locking block and the connecting sleeve.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Shown by figure 1, figure 2, figure 3, figure 4, figure 5, figure 6, figure 7, figure 8 and figure 9, the utility model discloses constitute by the male plug and adapter sleeve 1 etc. that are equipped with the boss be equipped with the cavity in the adapter sleeve 1, be equipped with locking piece 2 in this cavity, be equipped with anti-skidding groove on the lateral wall of locking piece 2.

An inserting hole 11 which penetrates through the connecting sleeve 1 up and down is arranged on the connecting sleeve 1, a mounting hole 12 is arranged on one side of the connecting sleeve 1, and two abdicating holes 13 are arranged on the other side of the connecting sleeve; on the inner wall of the cavity, a positioning column 14 is respectively arranged at one side position corresponding to the orifice of the abdicating hole 13, a section of transition inclined plane 131 is arranged at the other side position corresponding to the orifice of the abdicating hole 13, the transition inclined planes 131 are both arc-shaped, the two sections of transition inclined planes 131 form a circle, the diameter of the circle is matched with the diameter of a boss on the male plug, and when the boss moves in an abutting manner on the transition inclined plane 131 from top to bottom, the two reset cantilevers 31 are also outwards opened; the bottom of the cavity, which is adjacent to the bottom of the mounting hole 12, is a horizontal plane, and a section of abdicating inclined plane 15 is arranged at the bottom of the abdicating hole 13.

Be equipped with through-hole 21 on the locking piece 2, one side in through-hole 21 drill way is equipped with one section direction inclined plane 22, and one side symmetry of this locking piece 2 is equipped with two extension 23 that the level is outwards stretched out, every one side that extension 23 stretches out the end is equipped with fixture block 231, and the opposite side is equipped with direction boss 232, be equipped with the fillet on the fixture block 231, form a draw-in groove structure between the terminal surface that this fixture block 231, extension 23 and locking piece 2 correspond the end the lower extreme of locking piece 2 is equipped with connecting block 24 be equipped with one section convex elasticity reset plate 3 on the inside wall of connecting block 24, form an upper and lower open-ended through-hole between elasticity reset plate 3 and the connecting block 24, the corresponding position butt in the outside with the adapter sleeve 1 of the lateral wall on this elasticity reset plate 3 circular arc summit.

The elastic reset plate 3 is made of nylon 66 material; the extension section 23, the latch 231 and the guide boss 232 are made of nylon 66 material through integral injection molding.

The utility model discloses a use method as follows:

as shown in fig. 1 to 9, the guiding bosses 232 on both sides are firstly squeezed to make the extending ends of the extending sections 23 on both sides close to each other and put into the mounting hole 12, the lower end face of the locking block 2 is attached to the horizontal plane of the bottom surface of the cavity of the mounting sleeve 1, then, the locking block 2 is pushed into the cavity, when the guiding bosses 232 move to the position 131 of the transition inclined plane, the position corresponding to the transition inclined plane 131 in the cavity gradually widens in the moving direction, the guiding bosses 232 move along the transition inclined plane 131 until no longer contacting with the inner wall of the cavity, the extending sections 23 on both sides gradually expand, rounded corners are arranged on the clamping blocks 231, when moving to the position of the positioning columns 14, the clamping blocks 231, the clamping grooves formed between the extending sections 23 and the locking block 2 are clamped on the positioning columns 14 on the corresponding ends, and simultaneously, the elastic reset plate 3 is abutted to the outer side of the mounting sleeve 1.

When the elastic restoring plate is used, as shown in fig. 9 (in fig. 9, the upper row is an installation state diagram of the locking block 2, and the lower row is an installation state diagram of the elastic restoring plate 3, in the drawing, each vertical row is a moving state in the same time), a male plug (not marked) is inserted from top to bottom, the lower end face of a boss on the male plug is firstly abutted against the guide inclined plane 22, the boss presses the locking block 2 downwards at the abutting position, the extension section 23 of the locking block 2 is bent downwards and attached to the abdicating inclined plane 15, at the moment, the clamping groove is separated from the positioning column 14, under the relative movement of the boss and the guide inclined plane 22, the locking block 2 moves towards the cavity for one section, the upper end face of the corresponding position of the locking block 2 is abutted against and limited with the lower end face of the positioning column 14, the elastic restoring plate 3 is compressed and deformed, after the boss passes through the locking block 2, the male plug is inserted in place, drive locking piece 2 and remove to 12 directions of mounting hole, when the draw-in groove removed the below of reference column 14, the up end that locking piece 2 corresponds the position no longer the butt spacing with the lower terminal surface of reference column 14, and locking piece 2 pressurized position upwards lifts rapidly to make the draw-in groove fix a position with reference column 14 joint once more.

It should be noted that, when the engaging groove is engaged with the positioning pillar 14, the position of the extending section 23 is in a horizontal position, and the cross-sectional position of the elastic reset plate 4 is not shown (as shown in a diagram in fig. 9). When the male plug is pressed on the guiding inclined plane 211, the extension 23 of the locking block 2 is forced to be inclined downwards to fit the abdicating inclined plane 15, so that the same section position of the elastic reset plate 3 is displayed (as shown in b of fig. 9)

During disassembly, the sequence shown in fig. 9 is reversed, the guide bosses 232 on the two sides are pressed down at the same time, the extension section 23 rotates anticlockwise to separate the clamping groove from the positioning column 14, the locking block 2 is pushed into the cavity, the elastic reset plate 3 is pressed, the through hole 21 is opposite to the boss of the male plug, and the male plug can be quickly pulled out from the jack 11; finally, the guide boss 232 is loosened, the locking block 2 moves towards the position of the mounting hole 12 under the elastic action of the elastic reset plate 4, and the clamping groove is clamped on the positioning column 14 again.

It should be noted that, in the diagram b in fig. 9, since the guiding bosses 232 on both sides are pressed, the position of the extending section 23 of the locking block 2 is forced to be obliquely downward to abut against the yielding inclined surface 15, so that the position of the cross section of the elastic reset plate 4 is shown, and when the position of the extending section 23 is moved back to the horizontal position, the position of the same cross section is not shown (as shown in the diagram a in fig. 9).

In the above-mentioned operation process, if the boss of male plug does not install in place, male plug inserts the back and can not fix spacing, perhaps appears the lock piece 2 and can not push the condition of adapter sleeve 1, or even can push, nevertheless can not roll back and form the jamming, influences assembly efficiency, only installs in place, and lock piece 2 can push adapter sleeve 1, and this all is convenient for us to examine the assembly condition of male plug, simple structure is compact, the simple operation.

The utility model discloses do not describe the part unanimously with prior art, do not describe herein any more.

The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings are directly or indirectly applied to other related technical fields, all the same principle is within the patent protection scope of the present invention.

Claims

1. The utility model provides an automatic locking connecting device with check-up function, is including male plug and adapter sleeve (1) that are equipped with the boss, its characterized in that: a cavity is arranged in the connecting sleeve (1), a locking block (2) is arranged in the cavity, an inserting hole (11) which penetrates through the connecting sleeve (1) up and down is arranged on the connecting sleeve, a mounting hole (12) is arranged on one side of the connecting sleeve (1), and two abdicating holes (13) are arranged on the other side of the connecting sleeve; a positioning column (14) is arranged on the inner wall of the cavity at a position corresponding to one side of the orifice of the abdicating hole (13), a section of transition inclined plane (131) is arranged at a position corresponding to the other side of the orifice of the abdicating hole (13), the bottom of the cavity, which is adjacent to the bottom of the mounting hole (12), is a horizontal plane, and a section of abdicating inclined plane (15) is arranged adjacent to the bottom of the abdicating hole (13); be equipped with through-hole (21) on locking piece (2), one side in through-hole (21) drill way is equipped with one section direction inclined plane (22), and one side symmetry of this locking piece (2) is equipped with two extension sections (23) that the level is outwards stretched out, every one side that extension section (23) stretched out the end is equipped with fixture block (231), form a draw-in groove structure between the terminal surface that fixture block (231), extension section (23) and locking piece (2) correspond the end, the lower extreme of this locking piece (2) be equipped with the resetting means of adapter sleeve (1) outside butt.

2. The automatic locking connection device with verification function according to claim 1, characterized in that: the clamping block (231) is provided with a round angle, and the other side of the extending end of the extending section (23) is provided with a guide boss (232).

3. The automatic locking connection device with verification function according to claim 1, characterized in that: resetting means is including setting up connecting block (24) at locking piece (2) lower extreme be equipped with one section convex elasticity on the inside wall of connecting block (24) and reset board (3), elasticity resets and forms an upper and lower open-ended through-hole between board (3) and connecting block (24), and this elasticity resets the lateral wall on board (3) circular arc summit and the corresponding position butt in adapter sleeve (1) outside.

4. The automatic locking connection device with verification function according to claim 1, characterized in that: and an anti-skid groove is arranged on the outer side wall of the locking block (2).

5. The automatic locking connection device with verification function according to claim 3, characterized in that: the elastic reset plate (3) is made of nylon 66 material.

6. The automatic locking connection device with verification function according to claim 2, characterized in that: the extension section (23), the fixture block (231) and the guide boss (232) are integrally formed by injection molding of a nylon 66 material.