CN113437586A

CN113437586A - Passive device with blind-insertion self-locking structure

Info

Publication number: CN113437586A
Application number: CN202110766181.9A
Authority: CN
Inventors: 马长春; 周志峰
Original assignee: Hangzhou Yongxie Technology Co ltd
Current assignee: Hangzhou Yongxie Technology Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2021-09-24
Anticipated expiration: 2041-07-07
Also published as: CN113437586B

Abstract

The invention relates to the technical field of passive devices, and discloses a passive device with a blind-mating self-locking structure, which has the technical scheme that the passive device comprises a male shell and a female shell, wherein a locking piece is arranged between the male shell and the female shell; compared with the traditional threaded connection, the connection mode of the passive device adopts the fixing through the first fixing sleeve and the second fixing sleeve, and the two fixing buckles are clamped after being deformed in the process of inserting the male shell and the female shell, so that the installation mode not only omits the step of aligning the threads, but also does not need to be screwed by hand or by tools such as a wrench, and the construction time in the installation process is well reduced for intensive installation places or dark places.

Description

Passive device with blind-insertion self-locking structure

Technical Field

The invention relates to the technical field of passive devices, in particular to a passive device with a blind-insertion self-locking structure.

Background

Nowadays, wireless mobile communication is widely popularized, and Bluetooth technology, application of radio frequency identification cards, microwave technology and satellite communication are also deeply paid to people. The passive devices have better broadband transmission and various convenient connection modes, so that the passive devices are more and more widely applied to communication equipment, weapon systems, instruments and meters and household appliances.

Most of the connecting parts of the prior passive devices are in threaded connection, so that manual screwing or spanner screwing is needed, and particularly for intensive mounting places, the space is small, and the threaded connection mode is more inconvenient; moreover, the threaded connection takes time to screw the threads, and if the threads are not screwed, signals are unstable, and even fall off to influence other equipment to be incapable of operating normally.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a passive device with a blind-mate self-locking structure, which is used for overcoming the defect of difficulty in mounting and connecting the passive device in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a passive device with a blind-insertion self-locking structure comprises a male shell and a female shell, wherein a locking piece is arranged between the male shell and the female shell;

the locking piece comprises a first fixing sleeve, a second fixing sleeve and an unlocking sleeve, one end of the first fixing sleeve is arranged at one end of the female shell, the other end of the first fixing sleeve protrudes inwards to form a first fixing buckle, the unlocking sleeve is fixedly sleeved on the outer side of the male shell, one end of the unlocking sleeve is turned outwards to form an unlocking buckle, the second fixing sleeve is sleeved outside the unlocking sleeve in a sliding manner, one end of the second fixing sleeve protrudes outwards to form a second fixing buckle, the first fixing buckle and the second fixing buckle can be clamped to form locking force, so that one end of the male shell is fixed at one end of the female shell, the unlocking buckle can provide extrusion force acting on the second fixing buckle far away from the first fixing buckle, and the second fixing buckle is separated from the first fixing buckle.

As a further improvement of the present invention, one end of the second fixing sleeve facing the female housing is provided with a plurality of slots along the axial center direction of the male housing, and the slots penetrate the second fixing sleeve internally and externally to form a plurality of second fixing buckles.

As a further improvement of the present invention, the male housing is provided with a plurality of pressing members, the plurality of pressing members correspond to the plurality of second fixing fasteners in position one to one, each pressing member includes a push rod, the push rod is slidably mounted on the male housing, one end of the push rod faces the female housing to form a pushing end, the other end of the push rod is connected to the second fixing fasteners to form a connecting end, when the male housing is inserted into the female housing, the female housing provides a pushing force acting on the pushing end, so that the pushing rod connecting end drives the second fixing fasteners to deflect towards the first fixing fasteners.

As a further improvement of the present invention, an extension block is disposed on the second fixing buckle, the connecting end is disposed in a bent manner and extends into the extension block, the connecting end and the extension block are connected in a sliding manner, a pressed portion is formed at a bent portion of the connecting end, an abutting end surface of the male housing and the pressed portion is an arc surface, and a curvature of the arc surface is smaller than a curvature of the pressed portion.

As a further improvement of the present invention, the pressing member further includes a slider and a connection spring, the slider is fixedly mounted on the push rod, the slider is slidably connected with the male housing, the connection spring is connected between the slider and the male housing, and the connection spring provides an elastic force for driving the push rod to move in a direction approaching the female housing.

As a further improvement of the invention, the passive device further comprises an inner core, one end of the inner core is inserted into the male shell and is in sliding connection with the male shell, one end of the inner core penetrates through the male shell, and one end penetrating through the male shell is provided with a plurality of elastic sheets which are arranged in an annular array, one end of the female shell facing the male shell is provided with a groove matched with the elastic sheets, and the groove can provide extrusion force for driving the elastic sheets to deviate towards the axis of the inner core.

As a further improvement of the invention, a locking spring is connected between the male shell and the inner core, and the locking spring provides an elastic force for driving the male shell and the inner core to move away from each other;

as a further improvement of the invention, the inner core is arranged in a hollow manner along the axial direction of the inner core, and the hollow position of the inner core is used for installing communication connecting equipment.

As a further improvement of the invention, the outer surface of the male shell and the outer surface of the female shell are both provided with anti-slip grooves.

The invention has the beneficial effects that: compared with the traditional threaded connection, the connection mode of the passive device adopts the mode that the passive device is fixed through the first fixing sleeve and the second fixing sleeve, and the two fixing buckles are clamped after being deformed per se in the process of inserting the male shell and the female shell, the installation mode not only omits the step of aligning the threads, but also does not need to be screwed by tools such as manual screwing or wrenches, and for intensive installation places or dark places, the construction time in the installation process is well reduced, the installation work is convenient to carry out, and the two fixing buckles are annularly arranged, so that the first fixing buckle and the second fixing buckle can be clamped after the male shell and the female shell are aligned and inserted, and the unlocking sleeve is designed, and the first fixing sleeve and the second fixing sleeve can be unlocked by applying the unlocking sleeve through applying the pulling force when the male shell and the female shell are far away from each other, similarly, the action only needs to be pulled manually, and the operation can be conveniently performed in a narrow place.

Drawings

FIG. 1 is a schematic perspective front view of the present invention;

FIG. 2 is a schematic view of a second fixing clip structure according to the present invention;

FIG. 3 is a cross-sectional view of the internal structure of FIG. 1 according to the present invention;

fig. 4 is an enlarged schematic view of the invention at a in fig. 3.

Reference numerals: 1. a female housing; 2. a male housing; 3. an inner core; 31. a locking spring; 32. a spring plate; 4. a locking member; 41. a first fixing sleeve; 42. a first fixing buckle; 43. a second fixing sleeve; 44. a second fixing buckle; 441. grooving; 45. unlocking the sleeve; 46. unlocking the buckle; 5. a compression member; 51. a push rod; 52. a pushing end; 53. a connecting end; 54. a pressure receiving portion; 55. a slider; 56. a connecting spring; 57. an extension block; 6. and a collar.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-4, a passive device with a blind-mating self-locking structure according to the present embodiment includes a male housing 2 and a female housing 1, a locking member 4 is disposed between the male housing 2 and the female housing 1, and the male housing 2 and the female housing 1 are mounted in an inserting manner, a clamping manner, and the like, and a fixing force between the two is provided by the locking member 4;

the locking piece 4 comprises a first fixing sleeve 41, a second fixing sleeve 43 and an unlocking sleeve 45, one end of the first fixing sleeve 41 is arranged at one end of the female shell 1, the other end of the first fixing sleeve 41 protrudes inwards to form a first fixing buckle 42, the unlocking sleeve 45 is fixedly arranged at the outer side of the male shell 2, one end of the unlocking sleeve 45 is turned outwards to form an unlocking buckle 46, the second fixing sleeve 43 is slidably sleeved at the outer side of the unlocking sleeve 45, one end of the second fixing sleeve 43 protrudes outwards to form a second fixing buckle 44, a locking force can be formed between the first fixing buckle 42 and the second fixing buckle 44 in a clamping mode, one end of the male shell 2 is fixed at one end of the female shell 1, the unlocking buckle 46 can provide extrusion force acting on the second fixing buckle 44 away from the first fixing buckle 42, so that the second fixing buckle 44 is separated from the first fixing buckle 42, compared with the traditional threaded connection mode of the passive device, the first fixing sleeve 41 and the second fixing sleeve 43 are adopted for fixing, the two fixing buckles are clamped after being deformed in the process of inserting the male shell 2 and the female shell 1, the installation mode not only omits the step of aligning threads, but also does not need to be screwed by tools such as manual screwing or wrenches, the construction time in the installation process is well reduced for intensive installation places or dark places, and the installation work is also convenient to carry out, and the two fixing buckles are annularly arranged, so that the first fixing buckle 42 and the second fixing buckle 44 can be clamped after the male shell 2 and the female shell 1 are aligned and inserted, the unlocking sleeve 45 is designed, and the first fixing sleeve 41 and the second fixing sleeve 43 can be unlocked by applying the pulling force of the unlocking sleeve 45 only by applying the pulling force of the male shell 2 and the female shell 1 which are far away from each other, similarly, the action only needs to be pulled manually, and the operation can be conveniently performed in a narrow place.

Referring to fig. 3, for the unlocking sleeve 45, a collar 6 is fixedly sleeved at one end of the unlocking sleeve 45 far away from the second fixing buckle 44, the unlocking sleeve 45 is fixed on the male housing 2 through the collar 6, and the collar 6 and the male housing 2 can be fixed in a clamping groove or bolt mode, so that the unlocking sleeve 45 is convenient to mount and dismount.

Referring to fig. 2-3, a plurality of slots 441 are formed in one end of the second fixing sleeve 43 facing the female housing 1 along the axis direction of the male housing 2, the slots 441 penetrate through the second fixing sleeve 43, so as to form a plurality of second fixing buckles 44, in the actual use process, in the process of clamping the second fixing buckles 44 with the first fixing buckles 42, the process is inevitable that the second fixing buckles 44 deform and then are clamped, and after the slots are formed, an annular second fixing buckle 44 is separated into a plurality of strip-shaped second fixing buckles 44, so that in the deformation process, the second fixing buckles 44 only need to overcome radial deformation force, do not need to overcome circumferential deformation force, and are easier to reset for the second fixing buckles 44.

In one embodiment, the unlocking sleeve 45 is bent twice outwards to form the unlocking buckle 46, the longitudinal section of the unlocking buckle is in a shape of "J", the thickness of the unlocking buckle at the tail end of the bending is gradually reduced to form an inclined surface, the longitudinal sections of the second fixing buckle 44 and the first fixing buckle 42 are both in a trapezoidal arrangement, the arrangement directions of the two fixing buckles are opposite, in the abutting process, the first contact surface is the inclined surface with a smaller inclination angle in the two fixing buckles in the abutting process, at the moment, the buckles can generate certain deviation but not enough to generate locking force, then after the two inclined surfaces with a smaller angle are abutted and separated, the deviated buckles are reset, at the moment, the two surfaces with a larger inclination angle are abutted with each other, at the moment, if a force acting on the two buckles to separate from each other is applied, the two surfaces with a larger inclination angle generate enough resistance due to the abutting, and the resistance and the force separating from each other form acting force and reaction force, so as to fix the two buckles. It is preferable that the cross section of the two hooks is a right trapezoid, so that the resistance generated by the two faces with larger inclination angles is not offset angularly, and the direction of the unlocking hook 46 is substantially opposite to that of the second fixing hook 44, and the angle of the slope with smaller angle of the first fixing hook 42 is substantially the same, so that the unlocking hook 46 can tilt and offset the second fixing hook 44 by the slope thereof when moving, so that the first fixing hook 42 and the second fixing hook 44 are separated.

Referring to fig. 3-4, a plurality of pressing members 5 are disposed on the male housing 2, the plurality of pressing members 5 correspond to a plurality of second fixing fasteners 44 one by one, the pressing members 5 include a push rod 51, the push rod 51 can be made of elastic material such as plastic with toughness and restorability, the push rod 51 is slidably mounted on the male housing 2, one end of the push rod 51 faces the female housing 1 to form a push end 52, the other end of the push rod 51 is connected to the second fixing fasteners 44 to form a connection end 53, when the male housing 2 is plugged into the female housing 1, the female housing 1 provides a pushing force acting on the push end 52, so that the connection end 53 of the push rod 51 drives the second fixing fasteners 44 to deflect towards the first fixing fasteners 42, for some male housings 2 and female housings 1 which are frequently plugged, the plurality of second fixing fasteners 44 will necessarily deflect towards the axial center, thereby causing the deformation of the second fixing fasteners 44 to cause the insufficient locking force, and push rod 51's setting, after male housing 2 and female housing 1 installation, it produces sufficient tension, makes between two fixed buckles press from both sides tight each other and be close to, and the direction of this tension is just skew opposite direction when the fixed buckle 44 plug of second, not only can guarantee to have sufficient locking force between two fixed buckles like this, and the fixed buckle 44 of second is difficult to produce the deformation under probation for a long time moreover.

Referring to fig. 3-4, be provided with on the fixed buckle 44 of second and extend piece 57, link 53 is crooked to be set up and stretch into in the extension piece 57, sliding connection between link 53 and the extension piece 57, link 53 bending part forms and receives portion 54, public casing 2 is the cambered surface with receiving portion 54 butt terminal surface, cambered surface curvature is less than the curvature that receives portion 54, to the requirement of stretching into, link 53 of push rod 51 can run through extension piece 57 and also can be no matter wear extension piece 57, only need satisfy extension piece 57 and push rod 51 contact all the time can, can satisfy like this at the in-process of push rod 51 deformation, can drive the fixed buckle 44 of second all the time through the extension rod.

In an embodiment, the pressed portion 54 of the push rod 51 may be arc-shaped, elliptical, pointed, or the like, and the pressed portion 54 may also be segmented, for example, a hinge point is disposed in the pressed portion 54, so that the push rod 51 is two-segment, a torsion spring is added at the hinge point or a spring is added between two segments of the push rod 51, so that the connecting end 53 can be close to the pushing end 52, and the requirement of pulling the second fixing buckle 44 to clamp the first fixing buckle 42 is met.

Referring to fig. 4, the pressing member 5 further includes a slider 55 and a connection spring 56, the slider 55 is fixedly mounted on the push rod 51, the slider 55 is slidably connected with the male housing 2, the connection spring 56 is connected between the slider 55 and the male housing 2, the connection spring 56 provides an elastic force for driving the push rod 51 to move in a direction close to the female housing 1, the slider 55 is arranged to facilitate the installation of the connection spring 56, and at the same time, the sliding direction of the push rod 51 is further limited, and the connection spring 56 is arranged to provide an enough elastic force to ensure that the push rod 51 can be reset in a state where the male housing 2 and the female housing 1 are separated from each other.

Referring to fig. 3, the passive device further includes an inner core 3, one end of the inner core 3 is inserted into the male housing 2 and is slidably connected with the male housing 2, a locking spring 31 is connected between the male housing 2 and the inner core 3, the locking spring 31 provides an elastic force for driving the male housing 2 and the inner core 3 to move away from each other, the inner core 3 is hollow along the axis direction, the hollow part of the inner core 3 is used for installing communication connection equipment, the inner core 3 is used as a carrier or a housing for connecting signals, and has sufficient stability, in the unlocking process, unlocking can be completed only by pulling the male housing 2, the process does not move for the inner core 3, so that the inner core 3 can be prevented from being damaged by force, for the inner core 3, wires can be installed inside the inner core, and can also be directly installed on the device, and meanwhile, the hole core inside the inner core can also be adaptively adjusted according to actual situations, and a connecting structure matched with the inner core 3 in the male shell 2 can be arranged in the female shell 1 to meet the signal transmission.

In one embodiment, the inner core 3 may be in two segments, and the two segments may be connected by threads, insertion, or the like, wherein one segment is connected to the male housing 2 through the locking spring 31, and the other segment is provided with a sliding groove slidably connected to the male housing 2 on the surface thereof, which not only facilitates the installation of the inner core 3, but also ensures that the male housing 2 does not rotate during the sliding process.

Referring to fig. 3, one end of the inner core 3 runs through the male housing 2, and one end running through the male housing 2 is provided with a plurality of elastic sheets 32, the elastic sheets 32 are arranged in an annular array, one end of the female housing 1 facing the male housing 2 is provided with a groove matched with the elastic sheets 32, when the inner core 3 is inserted into the groove, the groove can provide extrusion force for driving the elastic sheets 32 to deviate towards the axis of the inner core 3, and the connection stability between the inner core 3 and the female housing 1 can be ensured.

Referring to fig. 1, the outer surface of the male housing 2 and the outer surface of the female housing 1 are both provided with anti-slip grooves, so that the friction force during disassembly and assembly is increased.

In one embodiment, the anti-slip grooves on the male shell 2 and the female shell 1 are formed in different shapes, so that the types of the two shells can be judged by hand feeling without visual intervention in a narrow and dark space.

The working principle is as follows: when the male housing 2 and the female housing 1 need to be plugged, the first fixing buckle 42 and the second fixing buckle 44 abut against and slide, so that the second fixing buckle 44 deviates towards the axis of the male housing 2, after the abutting is finished, the second fixing buckle 44 and the first fixing buckle 42 are mutually clamped, meanwhile, the first fixing buckle 42 pushes the push rod 51, the bending part of the push rod 51 is bent, and at the moment, the connecting end 53 of the push rod 51 drives the second fixing buckle 44 to move towards the direction far away from the axis of the male housing 2, so that the second fixing buckle 44 and the first fixing buckle 42 abut against each other and are clamped;

when needs are with public casing 2 and female casing 1 separation, stimulate public casing 2 earlier, make public casing 2 drive unlocking sleeve 45 and remove, this moment because first fixed buckle 42 and the mutual butt of the fixed buckle 44 of second, second fixed buckle 44 is detained and is not removed, until unlocking buckle 46 and the mutual butt of the fixed buckle 44 of second, and pull second fixed buckle 44 so that break away from the butt with first fixed buckle 42, public casing 2 continues to remove at this moment and can accomplish the separation with female casing 1, when loosening public casing 2, second fixed buckle 44 and the separation of unlocking buckle 46, second fixed buckle 44 resets, and push rod 51 also resets through coupling spring 56.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a passive device of blind insertion self-locking type structure, includes public casing (2) and female casing (1), its characterized in that: a locking piece (4) is arranged between the male shell (2) and the female shell (1);

locking piece (4) include first fixed cover (41), the fixed cover of second (43) and unlock cover (45), first fixed cover (41) one end set up in the one end of female casing (1), the other end of first fixed cover (41) is inside protruding so that form first fixed buckle (42), unlock cover (45) is fixed to be located the public casing (2) outside, the one end of unlock cover (45) is outwards turned over and is so that form unlock buckle (46), the fixed cover of second (43) slip cap is located the unlock cover (45) outside, the one end of the fixed cover of second (43) is outside protruding so that form the fixed buckle of second (44), first fixed buckle (42) with can the joint form locking force between the fixed buckle of second (44), so that the one end of public casing (2) is fixed in the one end of female casing (1), the unlocking catch (46) can provide a pressing force acting on the second fixing catch (44) away from the first fixing catch (42) to disengage the second fixing catch (44) from the first fixing catch (42).

2. The passive device of blind-mating self-locking structure as claimed in claim 1, wherein: the second fixing sleeve (43) is provided with a plurality of grooves (441) towards one end of the female shell (1) along the axis direction of the male shell (2), and the grooves (441) penetrate through the second fixing sleeve (43) from inside to outside so as to form a plurality of second fixing buckles (44).

3. The passive device of blind-mating self-locking structure as claimed in claim 2, wherein: be provided with a plurality of compressing tightly (5) on public casing (2), a plurality of compress tightly (5) and a plurality of the fixed buckle (44) position one-to-one of second, compress tightly (5) including push rod (51), push rod (51) slidable mounting in on public casing (2), the one end orientation of push rod (51) female casing (1) is in order to form promotion end (52), the other end of push rod (51) with the fixed buckle (44) of second is connected so that form link (53), works as public casing (2) with when female casing (1) is pegged graft, female casing (1) provide to be used in the impetus of promotion end (52), so that push rod (51) link (53) drive the fixed buckle (44) of second orientation first fixed buckle (42) skew.

4. A passive device of blind-mate self-locking structure according to claim 3, wherein: be provided with on the fixed buckle of second (44) and extend piece (57), link (53) crooked setting and stretch into in extending piece (57), link (53) with sliding connection between extending piece (57), link (53) bending part forms and receives pressure portion (54), public casing (2) with it is the cambered surface to receive pressure portion (54) butt terminal surface, cambered surface camber is less than receive the camber of pressure portion (54).

5. A passive device of blind-mate self-locking structure according to claim 3 or 4, wherein: the pressing piece (5) further comprises a sliding block (55) and a connecting spring (56), the sliding block (55) is fixedly mounted on the push rod (51), the sliding block (55) is connected with the male shell (2) in a sliding mode, the connecting spring (56) is connected between the sliding block (55) and the male shell (2), and the connecting spring (56) provides elastic force for driving the push rod (51) to move close to the female shell (1) in the direction.

6. The passive device of blind-mating self-locking structure as claimed in claim 1, wherein: the passive device further comprises an inner core (3), one end of the inner core (3) is inserted into the male shell (2) and is in sliding connection with the male shell (2), one end of the inner core (3) penetrates through the male shell (2) and penetrates through one end of the male shell (2) to be provided with a plurality of elastic sheets (32), the elastic sheets (32) are arranged in an annular array mode, the female shell (1) faces towards one end of the male shell (2) and is provided with a groove matched with the elastic sheets (32), and when the inner core (3) is inserted into the groove, the groove can provide driving force for enabling the elastic sheets (32) to face towards extrusion force offset at the axis of the inner core (3).

7. The passive device of blind-mating self-locking structure as claimed in claim 6, wherein: and a locking spring (31) is connected between the male shell (2) and the inner core (3), and the locking spring (31) provides elastic force for driving the male shell (2) and the inner core (3) to be away from each other.

8. The passive device of blind-mating self-locking structure as claimed in claim 6, wherein: the inner core (3) is arranged along the axis direction in a hollow mode, and the hollow position of the inner core (3) is used for installing communication connecting equipment.

9. The passive device of blind-mating self-locking structure as claimed in claim 1, wherein: and anti-skidding grooves are formed in the outer surfaces of the male shell (2) and the female shell (1).