CN110729603A - A lever type double elastic arm snap connector - Google Patents

Abstract

The invention relates to the technical field of connectors, in particular to a lever type double-elastic-arm buckle connector which comprises a male seat and a female seat, wherein clamping blocks are respectively arranged on two sides of the female seat, buckles are respectively arranged on two sides of the male seat, each buckle comprises a first lever mechanism, a second lever mechanism and a buckling mechanism, the first lever mechanism is arranged in the working state, the second lever mechanism is connected with the first lever mechanism, and the buckling mechanisms are arranged in the first lever mechanism; an abdicating gap is arranged between the second lever mechanism and the first lever mechanism, and the fulcrum of the second lever mechanism is positioned in the abdicating gap. The first lever mechanism is driven to turn outwards through the second lever mechanism to achieve the effect of opening the buckle; after the opening is finished, the second lever mechanism drives the first lever mechanism to reset only by releasing the buckle, so that the resetting stress is increased, the resetting effect can be still realized even after the novel multifunctional electric heating cooker is used for many times, and the service life of the novel multifunctional electric heating cooker is prolonged.

Description

A lever type double elastic arm snap connector

technical field

The invention relates to the technical field of connectors, in particular to a lever type double elastic arm snap connector.

Background technique

For connectors that require male and female mating (such as wire-to-board connectors), after the electrical conduction between the male seat and the female seat is achieved, related components are required to maintain the connection between the male seat and the female seat. Synthesis is the most common form of connection.

Most of the male seat and the female seat are made of plastic. In order to ensure the stability of the buckle part, the buckle part is generally divided into two parts: the block and the buckle, and the block and the buckle are respectively arranged on the male seat and the female seat. (or the female seat and the male seat), so as to achieve the effect of cooperation. However, the current buckle has the following shortcomings: when the male seat and the female seat need to be separated, it is necessary to turn the buckle to achieve the separation effect, but the plastic will not be able to restore the deformation after multiple deformations, resulting in the buckle being turned over many times. There will be an effect of being unable to reset, so that the male seat and the female seat cannot be buckled, and the stability of the connection between the male seat and the female seat is reduced, that is, the service life of the buckle is affected.

SUMMARY OF THE INVENTION

Aiming at the problems of the prior art, the present invention provides a lever-type double elastic arm snap connector, which can increase the recovery and deformation capability of the snap.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions:

The present invention provides a lever-type double elastic arm snap connector, which includes a male seat and a female seat, the two sides of the female seat are respectively provided with locking blocks, the two sides of the male seat are respectively provided with snaps, The buckle includes a first lever mechanism, a second lever mechanism and a buckling mechanism for engaging with the clamping block. The first lever mechanism is arranged on the male seat, the second lever mechanism is connected to the first lever mechanism, and the buckling mechanism is arranged the first lever mechanism; the second lever mechanism and the first lever mechanism are provided with a give way gap, and the fulcrum of the second lever mechanism is located in the give way gap;

When it is necessary to open the buckle, press the second lever mechanism to make the fulcrum of the second lever mechanism conflict with the first lever mechanism; then continue to press the second lever mechanism, and the first lever mechanism drives the buckle mechanism to turn over to make the buckle Separate from the card block.

Further, the first lever mechanism includes a first support member and a first lever, the first support member is connected to the male seat, the first lever is arranged on the first support member, and the first support member is used as a fulcrum of the first lever The two ends of the first lever are respectively connected to the second lever mechanism, and the buckling mechanism is arranged on the first lever.

Furthermore, the first lever includes a first pressing portion and a first uplifting portion, one end of the first pressing portion is connected to one end of the first uplifting portion, and the first support member is connected to the connection between the first pressing portion and the first uplifting portion. place; the other end of the first pressing part is turned outward toward the direction away from the work, and the buckling mechanism is arranged on the first upturned part.

Further, the second lever mechanism includes a second lever and a second support member used as a fulcrum of the second lever, the second support member is arranged on an end face of the second lever close to the first lever mechanism, and two of the second lever The ends are respectively connected to the first lever mechanism, the giving way gap is arranged between the second lever and the first lever mechanism, and the second supporting member is located in the giving way gap;

When the second support member abuts against the first lever mechanism, the second support member corresponds to the fulcrum position of the first lever mechanism.

Furthermore, the pull hook is connected to the first lever mechanism, the middle part of the pull hook is bent in a direction away from the first lever mechanism, and the pull hook is used to drive the first lever mechanism to eversion.

Preferably, the second lever includes a second pressing portion and a second warping portion, one end of the second pressing portion is connected to one end of the second warping portion, and the second support member is connected to the second pressing portion and the second warping portion The other end of the second pressing part is turned outward in the direction away from the work, and the hook is used to connect the second lifting part and the first lever mechanism.

Further, the buckling mechanism includes an escape slot, and when the male seat is buckled with the female base, the locking block is installed in the escape slot.

Further, the first lever mechanism, the second lever mechanism and the buckle mechanism are integrally formed.

Further, the female seat includes a female shell and a plurality of female terminals, the female seat is provided with the same number of terminal holes as the female terminals, and the female terminals and the terminal holes are installed in one-to-one correspondence; the male seat includes a male shell and a plurality of male terminals arranged in the male housing, the number of the male terminals is the same as that of the female terminals;

When the male seat is fastened to the female seat, the male terminal and the female terminal are inserted in one-to-one correspondence to achieve electrical conduction.

Further, the female terminal includes a body, a barb portion and a clamping portion for clamping the male terminal, the barb portion and the clamping portion are both arranged on the same end face of the body, and the barb portion is used for assembling the female terminal to the terminal. pierce the inner wall of the terminal hole.

Beneficial effects of the present invention: the present invention adopts the cooperation of the first lever mechanism and the second lever mechanism to form the eversion structure of the buckle, that is, the second lever mechanism drives the first lever mechanism to eversion to realize the effect of opening the buckle; After the opening is completed, it is only necessary to release the buckle, and the second lever mechanism drives the first lever mechanism to reset, thereby increasing the reset stress. The useful life of the invention.

Description of drawings

Figure 1 is a schematic diagram of the present invention.

Figure 2 is an exploded schematic view of the present invention.

FIG. 3 is a schematic diagram of the male seat of the present invention.

FIG. 4 is a schematic diagram of the female terminal of the present invention.

Reference numerals: 1—male seat, 2—female seat, 3—block, 4—buckle, 11—male housing, 12—male terminal, 21—female housing, 22—female terminal, 31—buckle surface, 32 - Inclined surface, 41 - First lever mechanism, 42 - Second lever mechanism, 43 - Buckle mechanism, 44 - Giving clearance, 45 - Bending part, 211 - Terminal hole, 221 - Body, 222 - Barb part, 223—clamping part, 411—first supporting part, 412—first lever, 421—second lever, 422—second supporting part, 4121—first pressing part, 4122—first lifting part, 4221—drawing hook, 4222—the second pressing part, 4223—the second lifting part.

Detailed ways

In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the embodiments and the accompanying drawings, and the contents mentioned in the embodiments are not intended to limit the present invention. The present invention will be described in detail below with reference to the accompanying drawings.

As shown in FIG. 1 to FIG. 4 , a lever-type double elastic arm snap connector provided by the present invention includes a male seat 1 and a female seat 2. The two sides of the female seat 2 are respectively provided with clamping blocks 3, so Both sides of the male seat 1 are respectively provided with buckles 4. The buckles 4 include a first lever mechanism 41, a second lever mechanism 42 and a buckle mechanism 43 for engaging with the clamping block 3. The first lever mechanism 41 is provided with In the male seat 1 , the second lever mechanism 42 is connected to the first lever mechanism 41 , and the buckling mechanism 43 is arranged on the first lever mechanism 41 ; a clearance gap is provided between the second lever mechanism 42 and the first lever mechanism 41 . 44. The fulcrum of the second lever mechanism 42 is located in the clearance gap 44; specifically, the clamping block 3 and the clamping buckle 4 are both made of plastic, which belongs to the conventional means in the art.

After the male seat 1 has been fastened to the female seat 2, and when the clip 4 needs to be opened to separate the male seat 1 from the female seat 2, the second lever mechanism 42 is first pressed to make the fulcrum of the second lever mechanism 42 and the first lever mechanism 42. The lever mechanism 41 is in conflict; then the second lever mechanism 42 is continuously pressed, and through the lever principle, the non-pressing end of the second lever mechanism 42 is lifted by the fulcrum of the second lever mechanism 42, thereby driving the first lever mechanism through the non-pressing end. 41 realizes eversion, thereby achieving the effect of driving the buckle mechanism 43 to eversion to separate the buckle 4 from the clamping block 3 , so that the male seat 1 can be separated from the female seat 2 . Compared with the prior art, the present invention drives the first lever mechanism 41 to lift up by pressing the second lever mechanism 42, thereby driving the buckle and the mechanism provided on the first lever mechanism 41 to eversion, realizing the opening of the buckle. 4; and after the male seat 1 is separated from the female seat 2, only the buckle 4 needs to be released, and the second lever mechanism 42 and the first lever mechanism 41 are reset at the same time under the action of the elastic force, so that the buckle 4 is restored to its original state. state, and the fulcrum of the second lever mechanism 42 will no longer conflict with the first lever mechanism 41 and return to the suspended state, and the first lever mechanism 41 is driven by the elastic force of the second lever mechanism 42 to reset, so that the present invention performs multiple operations. After being opened for the first time, it can still reliably cooperate with the clamping block 3 to achieve the effect of buckling, which increases the service life of the present invention.

In this embodiment, the first lever mechanism 41 includes a first support member 411 and a first lever 412, the first support member 411 is connected to the male seat 1, the first lever 412 is disposed on the first support member 411, the first The support 411 is used as a fulcrum of the first lever 412; both ends of the first lever 412 are respectively connected to the second lever mechanism 42, and the buckle mechanism 43 is provided on the first lever 412; The pressing portion 4121 and the first lifting portion 4122 (ie, the non-pressing end), one end of the first pressing portion 4121 is connected to one end of the first lifting portion 4122, and the first support 411 is connected to the first pressing portion 4121 and the first lifting portion. 4122; the other end of the first pressing part 4121 is turned outward in the direction away from the work, and the buckle mechanism 43 is arranged on the first upturned part 4122.

When the buckle 4 needs to be opened, the second lever mechanism 42 needs to be pressed down, so that the fulcrum of the second lever mechanism 42 falls on the first lever 412 , specifically the drop point of the fulcrum of the second lever mechanism 42 and the first support member The position of 411 corresponds to the position of the second lever mechanism 42 corresponding to the first pressing portion 4121, that is, the pressing force after pressing the second lever mechanism 42 will also act on the first pressing portion 4121, and the lever principle is used to drive the first pressing portion 4121. Together, the warped portion 4122 is everted, so as to achieve the effect of driving the buckle and the mechanism everting.

In this embodiment, the second lever mechanism 42 includes a second lever 421 and a second support member 422 used as a fulcrum of the second lever 421 , and the second support member 422 is disposed on the second lever 421 close to the first lever mechanism 41, the two ends of the second lever 421 are respectively connected to the two ends of the first lever 412, the clearance gap 44 is set between the second lever 421 and the first lever mechanism 41, and the second support 422 is located in the In the gap 44 ; when the second support member 422 abuts against the first lever mechanism 41 , the second support member 422 corresponds to the fulcrum position of the first lever mechanism 41 .

Specifically, the second lever 421 is provided with a pull hook 4221, the pull hook 4221 is connected to the first lever mechanism 41, the middle of the pull hook 4221 is bent in a direction away from the first lever mechanism 41, and the pull hook 4221 is used to drive the first lever mechanism 41 to eversion; The second lever 421 includes a second pressing portion 4222 and a second upturned portion 4223. One end of the second pressing portion 4222 is connected to one end of the second upturned portion 4223. The second support member 422 is connected to the second pressing portion 4222 and the first upturned portion 4223. The connection between the two upturned parts 4223 ; the other end of the second pressing part 4222 is turned outward toward the direction away from the work, and the hook 4221 is used to connect the second upturned part 4223 and the first lever mechanism 41 . As can be seen from FIG. 3 , the first pressing portion 4121 and the second pressing portion 4222 are connected by the bending portion 45 , and the first lifting portion 4122 and the second lifting portion 4223 are connected by the hook 4221 .

That is, the actual working process of the present invention is as follows: when the buckle 4 needs to be opened, the second upturned portion 4223 is pressed. At this time, since the second support member 422 is in a suspended state, the second lever 421 will be integrated as the pressing progresses. Move in the direction of the first lever 412 until the second support 422 abuts against the first lever 412 (specifically, against the connection between the first pressing portion 4121 and the first lifting portion 4122 ), and then continues to press the second pressing portion at this time 4222, since the second support 422 is exerting force at this time, and the second pressing portion 4222 is connected with the first pressing portion 4121, and the second uplifting portion 4223 is connected with the first uplifting portion 4122, the simultaneous application of pressure until the first pressing is achieved. The pulling hook 4221 is used to assist in pulling the first lifting portion 4122 to eversion, so that the outer lifting portion 4122 and the second lifting portion 4223 are turned outward. The flipping stroke is larger to ensure that the clamping block 3 and the buckle mechanism 43 can be separated; and after the second pressing part 4222 is released, since the pressure is lost, the plastic buckle 4 will be due to the elastic force generated by the characteristics of the plastic. When the deformation is restored, the first support member 411 , the second support member 422 and the pull hook 4221 will all rebound, especially the shape of the pull hook 4221 makes the rebound effect better, so that the present invention can be reset. Since the present invention is provided with the first lever mechanism 41 and the second lever mechanism 42, it has a greater force for restoring deformation, and is more effective in restoring the initial position than the technology, that is, the present invention has a longer service life. Of course, the buckle 4 made of metal can also achieve the same effect, but the buckle 4 made of metal needs a larger force to open, and the effect of restoring the original position is slightly worse.

In the present embodiment, the clasping mechanism 43 includes an escape slot (not shown in the figure), and when the male seat 1 is buckled with the female base 2 , the locking block 3 is installed in the escape slot. That is, the buckling of the male seat 1 and the female seat 2 is realized by the way that the clamping block 3 is inserted into the abdication slot. Specifically, one end of the clamping block 3 close to the male seat 1 is provided with an inclined surface 32, and the other end of the clamping block 3 is provided with an inclined surface 32. There is a buckle surface 31. When it needs to be buckled, it is not necessary to open the buckle 4 so that the interior of the buckle 4 can slide down the inclined surface 32 until the clamping block 3 is assembled into the relinquishment slot. The inner wall of the position slot collides so that the block 3 will not be separated from the position slot, so as to achieve the effect of buckle; of course, the buckle mechanism 43 can also be a buckle, that is, through the buckle surface 31 of the block 3 and the buckle. The way of conflict to achieve the effect of buckle.

In this embodiment, the first lever mechanism 41 , the second lever mechanism 42 and the buckle mechanism 43 are integrally formed, that is, the entire male seat 1 is injection-molded, which ensures that the buckle 4 is connected to the male seat 1 and the buckle 4 All agencies in between are stably connected.

In this embodiment, the female base 2 includes a female shell 21 and a plurality of female terminals 22 , the female base 2 is provided with terminal holes 211 in the same number as the female terminals 22 , and the female terminals 22 are one with the terminal holes 211 . A corresponding installation; the male seat 1 includes a male housing 11 and a plurality of male terminals 12 arranged in the male housing 11, and the number of the male terminals 12 is the same as the number of the female terminals 22; when the male seat 1 is buckled When the female base 2 is used, the male terminals 12 and the female terminals 22 are inserted in one-to-one correspondence to achieve electrical conduction.

Specifically, the female terminal 22 includes a body 221 , a barb portion 222 and a clamping portion 223 for clamping the male terminal 12 . The barb portion 222 and the clamping portion 223 are both disposed on the same end surface of the body 221 , and the barb portion 222 For piercing the inner wall of the terminal hole 211 when the female terminal 22 is assembled to the terminal hole 211 .

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention is disclosed above with preferred embodiments, it is not intended to limit the present invention. , within the scope of the technical solution of the present invention, when using the technical content disclosed above to make some changes or modifications to equivalent embodiments of equivalent changes, but without departing from the technical solution content of the present invention, according to the technology of the present invention refers to the above Any simple modifications, equivalent changes and modifications made in the examples fall within the scope of the technical solutions of the present invention.

Claims (10)

1. A lever-type double elastic arm snap connector, comprising a male seat and a female seat, characterized in that: the two sides of the female seat are respectively provided with a snap block, and both sides of the male seat are respectively provided with a snap button , the buckle includes a first lever mechanism, a second lever mechanism and a buckle mechanism for engaging with the clamping block, the first lever mechanism is arranged on the male seat, the second lever mechanism is connected to the first lever mechanism, and the buckle is closed. The mechanism is arranged on the first lever mechanism; a give way gap is set between the second lever mechanism and the first lever mechanism, and the fulcrum of the second lever mechanism is located in the give way gap; When it is necessary to open the buckle, press the second lever mechanism to make the fulcrum of the second lever mechanism conflict with the first lever mechanism; then continue to press the second lever mechanism, and the first lever mechanism drives the buckle mechanism to turn over to make the buckle Separate from the card block. 2. The lever type double elastic arm snap connector according to claim 1, wherein the first lever mechanism comprises a first support and a first lever, the first support is connected to the male seat, the first The lever is arranged on the first support piece, and the first support piece is used as a fulcrum of the first lever; both ends of the first lever are respectively connected to the second lever mechanism, and the buckling mechanism is arranged on the first lever. 3. The lever type double elastic arm snap connector according to claim 2, wherein the first lever comprises a first pressing part and a first upturning part, one end of the first pressing part and one end of the first upturning part connection, the first support is connected to the connection between the first pressing part and the first upturned part; the other end of the first pressing part is turned outward toward the direction away from the work, and the buckling mechanism is arranged on the first upturned part. 4. The lever type double elastic arm snap connector according to claim 1, wherein the second lever mechanism comprises a second lever and a second supporting member used as a fulcrum of the second lever, the second supporting member It is arranged on one end face of the second lever close to the first lever mechanism, the two ends of the second lever are respectively connected to the first lever mechanism, the clearance gap is arranged between the second lever and the first lever mechanism, and the second support is located in the first lever mechanism. give way to the gap; When the second support member abuts against the first lever mechanism, the second support member corresponds to the fulcrum position of the first lever mechanism. 5. The lever type double elastic arm snap connector according to claim 4, characterized in that: the second lever is provided with a pull hook, the pull hook is connected to the first lever mechanism, and the middle part of the pull hook is bent in a direction away from the first lever mechanism , the draw hook is used to drive the first lever mechanism to eversion. 6 . The lever-type double elastic arm snap connector according to claim 5 , wherein the second lever comprises a second pressing portion and a second uplifting portion, and one end of the second pressing portion is connected to the second uplifting portion. 7 . The second support is connected to the connection between the second pressing part and the second upturned part; the other end of the second pressing part is turned outward in the direction away from the work, and the hook is used to connect the second upturned part with the first lever mechanism. 7 . The lever-type double elastic arm snap connector according to claim 1 , wherein the snap-fit mechanism comprises a vacant slot, and when the male seat is snapped on the female seat, the snap block is installed in the give way to the slot. 8 . The lever-type double elastic arm snap connector according to claim 1 , wherein the first lever mechanism, the second lever mechanism and the snap-fit mechanism are integrally formed. 9 . 9 . The lever type double elastic arm snap connector according to claim 1 , wherein the female seat comprises a female shell and a plurality of female terminals, and the female seat is provided with the same number of female terminals as the number of the female terminals. 10 . Terminal holes, female terminals are installed in one-to-one correspondence with the terminal holes; the male seat includes a male shell and a plurality of male terminals arranged in the male shell, and the number of the male terminals is the same as that of the female terminals; When the male seat is fastened to the female seat, the male terminal and the female terminal are inserted in one-to-one correspondence to achieve electrical conduction. 10. The lever-type double elastic arm snap connector according to claim 9, wherein the female terminal comprises a body, a barb portion and a clamping portion for clamping the male terminal, the barb portion and the clamping portion They are all arranged on the uniform end face of the body, and the barbed portion is used to penetrate the inner wall of the terminal hole when the female terminal is assembled to the terminal hole.

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