Anti-misunderstanding unlocking structure of electric connector

Abstract

The utility model discloses an unlocking structure for preventing misunderstanding of an electric connector. The anti-misunderstanding unlocking structure of the electric connector comprises a base, a shell, a plugging clamping block, a locking button and an anti-contact piece, the base and the shell are mutually inserted and connected, a first buckle is arranged at the rear end of the base, and an assembly seat is arranged at the front end of the shell; a first clamping groove in the front end of the insertion clamping block can rotationally enter and exit from the first buckle, and the rear end of the insertion clamping block slides front and back to elastically insert the locking button; the locking button is connected with the limiting groove of the assembling base in a front-back sliding mode. The anti-contact piece is a shell with an open lower end, the anti-contact piece is fixedly connected to the assembly base, and the locking button is located in a shell cavity of the anti-contact piece. The utility model has the effects that the unlocking problem that the locking mechanism is disconnected due to mistaken touch operation is effectively avoided, the use is safer, the number of parts is small, and the cost is lower.

Description

Technical Field

[0001] The utility model relates to the field of electrical connection, in particular to an unlocking structure of an electrical connector for preventing misunderstanding. Background Art

[0002] In the field of electrical connectors, the locking of electrical connectors after mating and the unlocking when canceling mating are often involved. Currently, this is achieved through a locking and unlocking mechanism, which has the following defects: the structure is relatively complicated, and the locking mechanism is occasionally disconnected due to accidental touch during use. When the locking mechanism is in the disconnected state, the connector is at risk of disconnection under long-term vibration conditions. Accidental unlocking during the use of the connector can cause serious consequences such as vehicle burns and power circuit short circuits. Utility Model Content

[0003] In order to solve one or more of the above problems, the utility model provides an unlocking structure of an electrical connector to prevent misunderstanding.

[0004] According to one aspect of the utility model, the unlocking structure of the electrical connector to prevent misunderstanding includes: a base, a housing, a plug-in card block, a locking button and an anti-touch member;

[0005] The base and the shell are plugged into each other, a first buckle is provided on the rear end of the base, and an assembly seat is provided on the front end of the shell;

[0006] The middle of the plug-in card block is rotatably connected to the front end of the assembly seat, the first card slot at the front end of the plug-in card block can be rotated in and out of the first buckle, and the rear end thereof slides back and forth to elastically plug in the locking button;

[0007] The locking button slides forward and backward to connect to the limiting groove of the assembly seat;

[0008] The anti-touch component is a shell with an open lower end. The anti-touch component is fixedly connected to the assembly seat, and the locking button is located in the shell cavity of the anti-touch component.

[0009] In some embodiments, a first opening is provided on the rear end face of the shell of the anti-touch component, and a force can be applied through the first opening to push the locking button forward, so that the first slot at the front end of the plug-in card block is rotated and locked with the first buckle.

[0010] In some embodiments, a matching groove is further provided in the middle of the rear end surface of the locking button, and an unlocking tool is inserted into the matching groove and applies force to move the locking button forward and backward.

[0011] In some embodiments, the front end of the contact portion of the unlocking tool is inserted into and fitted into the matching groove, and the rear end of the contact portion is connected to the gripping portion.

[0012] In some embodiments, the matching groove is a rectangular groove, and the front end of the unlocking tool is a special tool or a flat-blade screwdriver with a rectangular column.

[0013] In some embodiments, the anti-touch element and the assembly seat are integrally connected or detachably connected.

[0014] In some embodiments, a guide ridge is provided at the front end of the inner wall of the shell of the anti-touch component, and a guide groove matching the guide ridge is provided at the front end of the outer wall of the assembly seat.

[0015] In some embodiments, a second buckle is provided in the middle of the inner wall of the shell of the anti-touch component, and a second buckle groove matching with the second buckle is provided in the middle of the outer wall of the assembly seat.

[0016] In some embodiments, a positioning shoulder is further provided on the inner side of the guide ridge, and the distance between the two positioning shoulders is smaller than the width of the locking button;

[0017] Or the inner wall of the anti-touch component is further provided with a guide limit block, and the spacing between the relative guide limit blocks is the same as the width of the locking button or is sleeved with a small gap.

[0018] In some embodiments, the assembly seat and the plug-in card block are rotatably connected via a pin; the torsion spring is sleeved on the pin and its two ends are respectively attached to the assembly seat and the plug-in card block;

[0019] Or a cylindrical spring is provided between the locking button and the rear end of the plug-in card block;

[0020] Or the limiting boss of the locking button slides forward and backward to fit the limiting groove.

[0021] When the device is working, the plug-in card block is rotated and connected to the assembly seat, so that the plug-in card block forms a lever structure fixed on the shell, the locking button is fixed on the plug-in card block, and the anti-touch piece is fixed on the shell, so that the internal cavity completely covers the structural area of ​​the locking button, and its beneficial effects are: first, the independently arranged anti-touch piece completely surrounds and protects the locking button, which can prevent fingers or other objects from directly contacting the locking button, effectively avoiding the unlocking problem caused by the disconnection of the locking mechanism due to erroneous operations such as accidental touching, and avoiding problems such as vehicle ablation and power circuit short circuit caused by accidental unlocking during use, so that it is safer to use. Second, the device has a simple structure, fewer parts, stable movement, and lower cost. Third, locking and unlocking are performed by an unlocking tool, which can further effectively avoid the problem of disconnection of the locking mechanism caused by misoperation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A three-dimensional schematic diagram of an unlocking structure of an electrical connector to prevent misunderstanding according to one embodiment of the utility model;

[0023] Figure 2 for Figure 1 A cross-sectional schematic diagram of an unlocking structure of an electrical connector to prevent misunderstanding is shown;

[0024] Figure 3 for Figure 1 A three-dimensional schematic diagram of the base and the housing shown;

[0025] Figure 4 for Figure 1 A cross-sectional schematic diagram of the plug-in card block shown;

[0026] Figure 5 for Figure 1 A three-dimensional schematic diagram of the locking button shown;

[0027] Figure 6 for Figure 1 A schematic left view of the locking button shown;

[0028] Figure 7 for Figure 1 A three-dimensional schematic diagram of the touch-proof element shown;

[0029] Base 1, first buckle 11,

[0030] Housing 2, assembly seat 20, limiting groove 200, guide groove 201, second clamping groove 202, first shaft hole 203;

[0031] Insertion card block 3, first card slot 300, middle blind hole 301, ear end plate 302, second shaft hole 303;

[0032] Locking button 4, limiting boss 400, matching groove 401, middle boss 402;

[0033] Anti-touch member 5, first opening 501, guide ridge 502, second buckle 503, positioning shoulder 504;

[0034] Unlocking tool 6, contact portion 61, gripping portion 62;

[0035] Cylindrical spring 7; pin 8; torsion spring 9. DETAILED DESCRIPTION

[0036] The present invention is further described in detail below in conjunction with the accompanying drawings. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0037] Figures 1 to 7 An anti-misunderstanding unlocking structure of an electrical connector according to an embodiment of the present invention is schematically shown. As shown in the figure, the anti-misunderstanding unlocking structure of an electrical connector comprises: a base 1, a housing 2, a plug-in card block 3, a locking button 4 and an anti-touch member 5;

[0038] The base 1 and the shell 2 are plugged into each other, a first buckle 11 is provided at the rear end of the base 1, and an assembly seat 20 is provided at the front end of the shell 2;

[0039] The middle of the plug-in card block 3 is rotatably connected to the front end of the assembly seat 20, and the first card slot 300 at the front end can be rotated in and out of the first buckle 11 and the rear end can be slidably plugged into the locking button 4;

[0040] The locking button 4 is slidably connected to the limiting groove 200 of the assembly seat 20;

[0041] The anti-touch member 5 is a shell with an open lower end. The anti-touch member 5 is fixedly connected to the assembly seat 20 , and the locking button 4 is located in the shell cavity of the anti-touch member 5 .

[0042] After removing the anti-touch piece 5, or through the process hole of the anti-touch piece, a force can be applied to the locking button 4 to push it forward or move it backward. Pushing the locking button 4 forward can make the front end of the plug-in card block 3 turn in and engage and lock the first buckle 11. Moving the locking button 4 backward can make the front end of the plug-in card block 3 turn out and disengage from the unlocking first buckle 11.

[0043] When the device is working, the plug-in card block 3 is rotatably connected to the assembly seat 20, so that the plug-in card block 3 forms a lever structure fixed on the shell 2, the locking button 4 is fixed on the plug-in card block 3, and the anti-touch member 5 is fixed on the shell 2, so that the internal cavity completely covers the structural area of ​​the locking button 4. The beneficial effects are: first, the independently arranged anti-touch member 5 completely surrounds and protects the locking button 4, which can prevent fingers or other objects from directly contacting the locking button 4, effectively avoiding the unlocking problem of the locking mechanism being disconnected due to erroneous operations such as accidental touching, and avoiding problems such as vehicle ablation and power circuit short circuit caused by accidental unlocking during use, which is safer to use; second, the device has a simple structure, stable movement, and lower cost.

[0044] Preferably, the anti-touch member 5 and the assembly seat 20 are integrally formed and connected; the beneficial effects are: the integral connection has fewer parts and lower costs.

[0045] Preferably, the anti-touch member 5 and the assembly seat 20 are detachably connected; the beneficial effect is that the anti-touch member 5 can be removed to transform it into a conventional hand unlocking mechanism, making the switching of the unlocking mode more convenient.

[0046] Furthermore, the rear end face of the housing of the anti-touch member 5 is provided with a first opening 501, through which a force can be applied to push the locking button 4 forward, so that the first card slot 300 at the front end of the plug-in card block 3 is rotated and locked with the first buckle 11. The beneficial effect is that the force application position is exposed by providing the first opening 501, the structure is simple, the number of parts is small, and the unlocking can be completed by conventional hand unlocking, which is convenient for unlocking.

[0047] Preferably, the first card slot 300 is a rectangular opening, and the first buckle 11 is a right-angled trapezoid, whose inclined surface is the rear end surface. The beneficial effect is that this arrangement facilitates smooth realization of the card connection.

[0048] Furthermore, a matching groove 401 is also provided in the middle of the rear end surface of the locking button 4, and the unlocking tool 6 is inserted into the matching groove 401 to apply force to move the locking button 4 forward and backward. Its beneficial effect is that locking and unlocking by the unlocking tool 6 can effectively avoid the problem of disconnection of the locking mechanism caused by misoperation. Preferably, the unlocking tool 6 includes a contact portion 61 and a gripping portion 62, the gripping portion 62 is connected to the rear end of the contact portion 61, and the front end of the contact portion 61 is plugged into and matched with the matching groove 401. Its beneficial effect is that the structure is convenient for operation. Preferably, the matching groove 401 is a rectangular groove, and the front end of the unlocking tool 6 is a special tool or a flat-blade screwdriver with a rectangular column. Its beneficial effect is that a specific operating tool has a wider range of applications.

[0049] Furthermore, a guide rib 502 is provided at the front end of the inner wall of the housing of the anti-touch member 5, and a guide groove 201 matching the guide rib 502 is provided at the front end of the outer wall of the assembly seat 20. When the anti-touch member 5 is connected to the assembly seat 20, the guide rib 502 is inserted into the guide groove 201 with a small gap. The beneficial effect is that the structure can ensure the assembly position accuracy of the anti-touch member 5 and the assembly seat 20. Preferably, the guide groove 201 and the guide rib 502 are rectangular structures with the same contour; a positioning shoulder 504 is also provided on the inner side of the guide rib 502, and the distance between the two positioning shoulders 504 is less than the width of the locking button 4; the beneficial effect is that the positioning shoulder 504 can prevent the front end of the locking button 4 from being limited.

[0050] Preferably, the inner wall of the anti-touch member 5 is further provided with a guide limit block, and the spacing between the relative guide limit blocks is the same as the width of the locking button 4 or is set with a small gap. The beneficial effect is that the guide limit block can prevent the locking button 4 from deviating left and right.

[0051] Preferably, the rear shell wall of the anti-touch member 5 is in close contact with the assembly seat 20. The beneficial effect is that the arrangement realizes the rear limit of the locking button 4.

[0052] Further, a second snap 503 is provided in the middle of the inner wall of the shell of the anti-touch member 5, and a second snap groove 202 matching with the second snap 503 is provided in the middle of the outer wall of the assembly seat 20. When the anti-touch member 5 is connected to the assembly seat 20, the second snap 503 can snap into the second snap groove 202. Its beneficial effect is that: this structure can ensure the effective connection between the anti-touch member 5 and the assembly seat 20. The second snap groove 202 is a rectangular slot, the second snap 503 is a right-angled trapezoid and its lower surface is an inclined surface extending from the outside to the inside, and the anti-touch member 5 is made of a plastic member with a certain elasticity. Its beneficial effect is that: this setting is convenient for assembly.

[0053] Furthermore, a cylindrical spring 7 is also provided between the locking button 4 and the rear end of the plug-in card block 3; preferably, the locking button 4 is a shell with an open front end, and the inner wall of the rear end of the locking button 4 is also provided with an intermediate boss 402, and the rear end of the plug-in card block 3 is provided with an intermediate blind hole 301, and the front end of the cylindrical spring 7 is fixed to the intermediate blind hole 301 and the rear end is fixed to the intermediate boss 402; preferably, the first axial hole 203 of the assembly seat 20 is fixed with both ends of the connecting pin 8, and the second axial hole 303 of the plug-in card block 3 is rotatably connected to the middle of the connecting pin 8, and a torsion spring 9 is sleeved on the pin 8, and one end of the torsion spring 9 is in contact with the upper surface of the assembly seat 20 and the other end is in contact with the lower surface of the plug-in card block 3.

[0054] Specific usage of the device:

[0055] First, assemble the plug-in card block 3 on the housing 2 so that the first axial hole 203 is aligned with the second axial hole 203, and the cylindrical spring 7 is placed in the spring assembly position: the middle blind hole 301, and the torsion spring 9 is placed in the torsion spring assembly position, so that the pin 8 passes through the first axial hole 203, the torsion spring 9, and the second axial hole 203. At this time, the plug-in card block 3 is relatively fixed to the housing 2 and forms a fulcrum structure.

[0056] Second, fix the locking button 4 on the plug-in card block 3, place the cylindrical spring 8 on the middle boss 402, and place the middle boss 402 in the limiting groove. At this time, the locking button has formed a match with the plug-in card block. Pushing the locking button can lift the first card slot 300 at the front end of the plug-in card block around the fulcrum.

[0057] Third, fix the anti-touch member 5 on the housing 2 so that the guide ridge 502 is placed in the guide groove 201, and the second buckle 503 cooperates with the second clamping groove 202. At this time, the anti-touch member 5 and the housing 2 are relatively fixed, and the anti-touch member 5 has completely covered the upper and side areas of the locking button 4.

[0058] Fourth, push the shell 2 until the first slot 300 and the first buckle 11 are about to contact. At this time, hold the holding part 62 of the unlocking tool 6 so that the contact part 61 is in the matching groove 401, push the unlocking tool 6 forward and push the shell of the locking button 4. When the first buckle 11 is completely located in the first slot 300, withdraw the unlocking tool 6. At this time, the locking mechanism has completed the locking.

[0059] Fifth, hold the holding portion 62 of the unlocking tool 6 so that the contact portion 61 is in the matching groove 401, push the unlocking tool 6 forward and withdraw it from the housing 2 backward, and visually withdraw the unlocking tool 6 when the first buckle 11 is completely located outside. At this time, the locking mechanism has been unlocked.

[0060] Furthermore, the locking button 4 is provided with limiting bosses 400 at both front ends, and the limiting bosses 400 slide forward and backward to fit the limiting grooves 200; the beneficial effect is that the structure can keep the locking button 4 moving forward and backward more smoothly.

[0061] Furthermore, ear end plates 302 are provided on both sides of the middle blind hole 301 .

[0062] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. An unlocking structure for preventing misunderstanding of an electrical connector, characterized in that: It comprises: a base (1), a housing (2), a plug-in card block (3), a locking button (4) and an anti-touch component (5); The base (1) and the shell (2) are plugged into each other, a first buckle (11) is provided at the rear end of the base (1), and an assembly seat (20) is provided at the front end of the shell (2); The middle of the plug-in card block (3) is rotatably connected to the front end of the assembly seat (20), and the first card slot (300) at the front end of the plug-in card block (3) can be rotated in and out of the first buckle (11), and the rear end thereof slides forward and backward to elastically plug into the locking button (4); The locking button (4) is slidably connected to the limiting groove (200) of the assembly seat (20) in a forward and backward manner; The anti-touch component (5) is a shell with an open lower end. The anti-touch component (5) is fixedly connected to the assembly seat (20). The locking button (4) is located in the shell cavity of the anti-touch component (5).

2. The anti-misunderstanding unlocking structure of an electrical connector according to claim 1, characterized in that: A first opening (501) is provided on the rear end surface of the shell of the anti-touch component (5).

3. The anti-misunderstanding unlocking structure of an electrical connector according to claim 2, characterized in that: A matching groove (401) is also provided in the middle of the rear end surface of the locking button (4), and an unlocking tool (6) is inserted into the matching groove (401) and applies force to move the locking button (4) forward and backward.

4. The anti-misunderstanding unlocking structure of an electrical connector according to claim 3, characterized in that: The front end of the contact portion (61) of the unlocking tool (6) is inserted into and fitted in the matching groove (401), and the rear end of the contact portion (61) is connected to the holding portion (62).

5. The anti-misunderstanding unlocking structure of an electrical connector according to claim 4, characterized in that: The matching groove (401) is a rectangular groove, and the front end of the unlocking tool (6) is a special tool or a flat-blade screwdriver in the form of a rectangular column.

6. The anti-misunderstanding unlocking structure of an electrical connector according to claim 4, characterized in that: The anti-touch component (5) and the assembly seat (20) are integrally formed or detachably connected.

7. The anti-misunderstanding unlocking structure of an electrical connector according to claim 1, characterized in that: A guide ridge (502) is provided at the front end of the inner wall of the shell of the anti-touch component (5), and a guide groove (201) matching the guide ridge (502) is provided at the front end of the outer wall of the assembly seat (20).

8. The anti-misunderstanding unlocking structure of an electrical connector according to claim 7, characterized in that: A second buckle (503) is provided in the middle of the inner wall of the shell of the anti-touch component (5), and a second clamping groove (202) matching with the second buckle (503) is provided in the middle of the outer wall of the assembly seat (20).

9. The anti-misunderstanding unlocking structure of an electrical connector according to claim 7, characterized in that: The inner wall of the anti-touch component (5) is also provided with a guide limit block, and the spacing between the guide limit blocks is the same as the width of the locking button (4) or is sleeved with a small gap.

10. The anti-misunderstanding unlocking structure of an electrical connector according to claim 1, characterized in that: The assembly seat (20) and the plug-in card block (3) are rotatably connected via a pin (8); a torsion spring (9) is sleeved on the pin (8) and its two ends are respectively in contact with the assembly seat (20) and the plug-in card block (3); Or a cylindrical spring (7) is provided between the locking button (4) and the rear end of the plug-in card block (3); Or the limiting boss (400) of the locking button (4) slides forward and backward to fit the limiting groove (200).

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