CN211808647U - Press self-locking structure - Google Patents

Abstract

The utility model discloses a pressing self-locking structure, which belongs to the technical field of pressing self-locking and comprises a left frame body and a right frame body fixedly arranged at the rear part of the left frame body, wherein a sliding connecting piece is arranged inside the left frame body, a reset spring is fixedly arranged on the inner wall at the front part of the left frame body, the sliding connecting piece and the reset spring are sleeved, a pressing piece for driving the sliding connecting piece to slide relatively in the left frame body in the axial direction is arranged at the upper part of the left frame body, the pressing piece can be pressed to realize the axial movement of the sliding connecting piece in the right frame body, so that the sliding connecting piece drives an external connecting piece to move, so as to realize the use state and the non-use state of the external connecting piece, the operation is simple and convenient, the flexibility is stronger, when the external acting force is smaller, the pressing piece is not easy, thereby reducing unnecessary troubles caused by the action of external false touch.

Description

Press self-locking structure

Technical Field

The utility model relates to a press auto-lock technical field, more specifically say, relate to a press auto-lock structure.

Background

The pressing self-locking structure is applied to various aspects in life, such as a socket switch, a pressing flashlight switch, a pressing writing pen and the like.

The existing pressing self-locking structure can trigger the press button with smaller force in the use process for convenience, when the press button is touched carelessly during use, the whole device is started, when the press button is applied to the switch button in the aspect of power, unnecessary energy consumption is wasted easily, and for young children, the switch button of life is frequently pressed repeatedly back and forth, the service life of the press button is prolonged easily due to too many pressing times, when the press piece at the rear end of the press pen is pressed carelessly by external objects in the use or carrying process of the press pen, the pen point of the pen core is exposed easily, further, pen oil is easily stained on the external objects, meanwhile, the external objects are also easily worn and abraded on the pen point, and the pen ball is likely to fall to cause oil leakage in the writing process.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a press down auto-lock structure, it can press down the pressing part and realize the axial displacement of sliding connection spare in right framework, and then make sliding connection spare drive outer joint part and remove, with the use and the two kinds of states of not using of realizing outer joint part, easy operation is convenient, the flexibility is stronger, and when external effort is less, the pressing part is difficult for the downward activity in right framework, and then difficult triggering that leads to whole device, the device keeps at the unused state, thereby it is troublesome to have reduced the external unnecessary that causes under the effect of mistake contact. The second invention of the present invention is to provide a pen with a pressing self-locking structure.

2. Technical scheme

In order to solve the first object, the present invention adopts the following technical solutions.

A pressing self-locking structure comprises a left frame body and a right frame body fixedly arranged at the rear part of the left frame body, wherein a sliding connecting piece is arranged inside the left frame body, the inner wall of the front part of the left frame body is fixedly arranged, and a reset spring is sleeved between the sliding connecting piece and the sliding connecting piece;

the upper part of the left frame body is provided with a pressing piece used for driving the sliding connecting piece to slide relatively in the axial direction in the left frame body, the upper part of the left frame body is provided with a movable jack for the pressing piece to move up and down in the left frame body, and the lower end of the pressing piece is fixedly arranged on at least one clamping piece used for being clamped with the left frame body;

the inner wall of the left frame body is provided with at least one limiting piece for the limited clamping of the clamping piece;

the upper part of the sliding connecting piece is provided with at least one matching structure for the clamping piece to deform and separate from the clamping state with the limiting piece;

the pressing piece is pressed down once, the clamping piece drives the sliding connecting piece to move forwards in the axial direction of the left frame body, and the sliding connecting piece and the left frame body axially compress the distance to a first state; the clamping piece is clamped in the limiting piece, and the distance between the sliding connecting piece and the right frame body is increased;

the pressing piece is further pressed downwards, the matching groove extrudes the clamping piece, and the clamping piece deforms and is separated from the limiting piece;

the pressing piece is released, the clamping piece returns along the matching groove under the elastic action of the reset spring, the axial distance between the sliding connecting piece and the left frame body is released to the maximum second state, and the original distance is restored between the sliding connecting piece and the right frame body.

Can press the pressing part and realize the axial displacement of sliding connection spare in the right framework, and then make sliding connection spare drive outer joint part and remove to realize outer joint part's use and not using two kinds of states, easy operation is convenient, the flexibility is stronger, and when external effort is less, the pressing part is difficult for activity downwards in the right framework, and then difficult triggering that leads to whole device, the device keeps in the unused state, thereby it is troublesome to have reduced the external unnecessary that causes under the effect of touching by mistake.

Further, sliding connection spare include with the bottom sliding connection's in the left framework slider with set firmly in the anterior annular locating piece of slider, reset spring is located annular locating piece and between, the slider is located the downside of locating part, once pushes down the in-process of pressing piece, and the slider is at left framework forward movement, and annular locating piece extrusion reset spring simultaneously, the distance between slider and the right framework increases.

Further, the cooperation structure includes the cooperation groove of digging in slider upper portion and locates first spigot surface and the second spigot surface on the cooperation groove, the second spigot surface is located the inboard of first spigot surface, and the top of second spigot surface is connected with the lower part of second spigot surface, and under the initial condition, the fastener is located the upside of locating part, and the fastener is kept fixed with locating part and first spigot surface counterbalance respectively, once pushes down the pressing member so that the fastener with the locating part hook joint back, pushes down the pressing member once more, under the guide effect of second spigot surface, thereby the fastener breaks away from the locating part and makes the pressing member restorable normal position.

Furthermore, the pressing part includes with activity jack assorted briquetting and at least one set firmly the anticreep piece in the briquetting bottom down, the anticreep piece is located the inboard of fastener, anticreep piece right-hand member contacts with the anterior inner wall of left framework, and the secondary pushes down the pressing part and loosens the pressing part after, under reset spring's elastic force effect, because of the setting of anticreep piece, plays spacing effect to the pressing part for outside the difficult quilt of pressing part is popped out the activity jack, or outside the difficult falling left framework of pressing part in daily use, simultaneously because of the contact of one of them end of anticreep piece and left framework, at the in-process that reciprocates of pressing part, the anticreep piece can play the effect of a direction to the pressing part.

Furthermore, the transverse length of the anti-falling block is greater than the transverse section length of the movable jack, so that the anti-falling block is long enough, and the whole pressing piece is not easy to slide out of the left frame body.

Further, be equipped with on the lateral wall of fastener lower extreme with cooperation structure sliding connection's second glide plane, fastener rear side portion is equipped with first glide plane, be equipped with the spacing face of joint with locating part hook joint on the inner wall on fastener rear side upper portion, when the fastener is located the locating part upside under the initial condition promptly, first glide plane is inconsistent with the locating part, and the fastener front end is contradicted with first spigot surface, once pushes down the pressing piece in-process, and after the second glide plane slided the certain distance along first spigot surface, the spacing face of joint and locating part looks joint, when pushing down the pressing piece once more, under the guide effect of second spigot surface, the second glide plane removed along the second spigot surface.

Further, the locating part is including locating the spigot surface and the spacing face of the lower part of locating part front side respectively, form a joint portion between spacing face and the spacing face, the spacing face phase-match of joint portion and joint, when once pushing down the pressing part, first glide plane moves down until fastener and locating part hook joint along the spigot surface, and the spacing face of joint is inconsistent with spacing face this moment.

Based on the first solution, in order to solve the second object of the present invention, the present invention adopts the following second technical solution: the scheme of the pressing self-locking structure also comprises a front pen container and a rear pen container which are mutually sleeved, the front pen container and the rear pen container are internally sleeved with refills, the reset spring is clamped between the refills and the front pen container, the pressing piece is arranged on the outer wall of the front part of the front pen container and used for driving the rear pen container to slide axially in the front pen container, a pressing jack which can enable the pressing piece to move up and down in the front pen container is drilled on the outer wall of the front part of the front pen container, at least one limiting piece is fixedly arranged on the inner wall of the front part of the front pen container, the matching structure is arranged at one end of the rear pen container in the front pen container, in an initial state, the clamping piece on the pressing piece is positioned on the upper side of the limiting piece, the refills are hidden in the front pen container, when the refills are required to be exposed out of the front pen container by using pens, the pressing piece is gradually, and the pressing piece is pressed down again, the clamping piece is separated from the limiting piece and moves along the second guide surface at the second guide surface under the guide action of the second guide surface, the reset spring is in a compressed state at the moment, after the pressing piece is released, the pressing piece and the clamping piece move upwards in the front pen container to the original position of the clamping piece under the elastic action of the reset spring, namely the clamping piece is abutted against the guide surface and the first guide surface, and the pen core is hidden at the moment.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can press down the pressing part and realize the axial displacement of sliding connection spare in right framework, and then make sliding connection spare drive outer joint part and remove to realize outer joint part's use and not use two kinds of states, easy operation is convenient, the flexibility is stronger, and when external effort is less, the pressing part is difficult for activity downwards in right framework, and then difficult triggering that leads to whole device, the device keeps in the unused state, thereby it is troublesome to have reduced the external unnecessary that causes under the effect of mistake touch and arouse.

(2) The sliding connection piece comprises a sliding block and an annular positioning block, the sliding block is in sliding connection with the bottom in the left frame body, the annular positioning block is fixedly arranged at the front part of the sliding block, the reset spring is positioned between the annular positioning block and the sliding block, the sliding block is positioned at the lower side of the positioning part, the sliding block moves forwards on the left frame body in the process of pressing the pressing piece for one time, the annular positioning block extrudes the reset spring, and the distance between the sliding block and the right frame body.

(3) The matching structure comprises a matching groove formed in the upper portion of the sliding block, and a first guide surface and a second guide surface which are arranged on the matching groove, the second guide surface is located on the inner side of the first guide surface, the top of the second guide surface is connected with the lower portion of the second guide surface, in an initial state, the clamping piece is located on the upper side of the limiting piece, the clamping piece is respectively abutted against the limiting piece and the first guide surface to be maintained and fixed, after the pressing piece is pressed down once to enable the clamping piece to be hooked and clamped with the limiting piece, the pressing piece is pressed down again, and under the guiding action of the second guide surface, the clamping piece is separated from the limiting piece, so that the pressing piece can be restored to the original.

(4) The pressing piece includes and sets firmly the anticreep piece in the pressing piece bottom with activity jack assorted briquetting down and at least one, the anticreep piece is located the inboard of fastener, anticreep piece right-hand member contacts with the anterior inner wall of left framework, the secondary pushes down the pressing piece and loosens behind the pressing piece, under reset spring's spring action, because of the setting of anticreep piece, play spacing effect to the pressing piece, make the pressing piece be difficult for being popped out outside the activity jack, or outside the pressing piece is difficult for dropping out left framework in daily use, simultaneously because of the contact of anticreep piece one of them end and left framework, at the in-process that reciprocates of pressing piece, the anticreep piece can play the effect of a direction to the pressing piece.

(5) The horizontal length of anticreep piece is greater than the horizontal cross-sectional length of activity jack, makes anticreep piece length enough, and then makes outside the difficult landing left frame of whole pressing part.

(6) The lateral wall of the lower end of the clamping piece is provided with a second sliding surface which is in sliding connection with a matching structure, the rear side part of the clamping piece is provided with a first sliding surface, the inner wall of the upper part of the rear side of the clamping piece is provided with a clamping limiting surface which is in hook-and-loop clamping connection with the limiting part, in an initial state, namely, when the clamping piece is positioned on the upper side of the limiting part, the first sliding surface is abutted against the limiting part, the front end of the clamping piece is abutted against the first guide surface, in the process of pressing the clamping piece by pressing once, after the second sliding surface slides for a certain distance along the first guide surface, the clamping limiting surface is abutted against the limiting part, when the clamping piece is pressed again, under the.

(7) The locating part forms a joint portion including locating the spigot surface and the spacing face of the lower part of locating part front side respectively between spacing face and the spacing face, and joint portion and the spacing face phase-match of joint, when once pushing down the pressing piece, first glide plane moves down along the spigot surface until fastener and locating part hook joint, and the spacing face of joint is inconsistent with spacing face this moment.

(8) The pen comprises a front pen container and a rear pen container which are mutually sleeved, wherein a refill is sleeved in the front pen container and the rear pen container, a reset spring is clamped between the refill and the front pen container, a pressing piece is arranged on the outer wall of the front part of the front pen container and used for driving the rear pen container to axially slide in the front pen container, a pressing jack which can be used for enabling the pressing piece to move up and down in the front pen container is formed in the outer wall of the front part of the front pen container in a chiseled mode, at least one limiting piece is fixedly arranged on the inner wall of the front part of the front pen container, a matching structure is arranged at one end, located in the front pen container, of the rear pen container, a clamping piece on the pressing piece is located on the upper side of the limiting piece in an initial state, the refill is hidden in the front pen container, when the refill is exposed out of the front pen container due to the need of a pen, the pressing piece is pressed, the clamping piece is separated from the limiting piece and moves along the second guide surface at the second guide surface, the reset spring is in a compressed state at the moment, after the pressing piece is loosened, the pressing piece and the clamping piece move upwards in the front pen container to the position where the clamping piece recovers under the elastic action of the reset spring, namely the clamping piece is abutted against the guide surface and the first guide surface, and the pen core is hidden at the moment.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure diagram according to a first embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a sliding connector, a limiting member and a fitting groove according to a first embodiment of the present invention;

FIG. 4 is a schematic perspective view of a sliding connector according to a first embodiment of the present invention

Fig. 5 is a schematic perspective view of a pressing member according to a first embodiment of the present invention;

fig. 6 is a schematic bottom perspective view of a pressing member according to a first embodiment of the present invention;

fig. 7 is a schematic perspective view of a position limiting part according to a first embodiment of the present invention;

fig. 8 is a schematic bottom perspective view of a position limiting part according to a first embodiment of the present invention;

fig. 9 is a schematic perspective view of a second embodiment of the present invention;

fig. 10 is a cross-sectional view of a stopper and a fitting structure according to a second embodiment of the present invention.

The reference numbers in the figures illustrate:

11 left frame body, 12 right frame body, 13 movable insertion holes, 2 pressing pieces, 21 pressing blocks, 22 anti-falling blocks, 23 clamping pieces, 231 clamping limiting surfaces, 232 first sliding surfaces, 233 second sliding surfaces, 4 reset springs, 5 sliding connecting pieces, 51 sliding blocks, 52 annular positioning blocks, 6 limiting pieces, 61 guide surfaces, 62 limiting surfaces, 7 matching grooves, 71 first guide surfaces, 72 second guide surfaces, 81 front pen containers, 82 rear pen containers and 83 pressing insertion holes.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-8, a pressing self-locking structure, referring to fig. 1-2, includes a left frame 11 and a right frame 12 fixed at the rear of the left frame 11, a sliding connector 5 is disposed inside the left frame 11, the sliding connector 5 is externally connected to an external connection component during use, a positioning portion 3 is fixed on the inner wall of the front of the left frame 11, a return spring 4 is sleeved between the sliding connector 5 and the positioning portion 3, the sliding connector 5 includes a sliding block 51 slidably connected to the bottom of the left frame 11 and an annular positioning block 52 fixed at the front of the sliding block 51, the return spring 4 is located between the annular positioning block 52 and the positioning portion 3, the sliding block 51 is located at the lower side of the limiting member 6, the sliding block 51 moves forward on the left frame 11 during one-time pressing of the pressing member 2, meanwhile, the annular positioning block 52 presses the return spring 4, and the distance between the slider 51 and the right frame 12 is increased.

Referring to fig. 3 and 5-6, the upper portion of the left frame 11 is provided with a pressing member 2 for driving the sliding connection member 5 to slide relatively in the axial direction of the left frame 11, the upper portion of the left frame 11 is drilled with a movable insertion hole 13 for the pressing member 2 to move up and down in the left frame 11, the pressing member 2 includes a lower pressing block 21 matching with the movable insertion hole 13 and at least one anti-falling block 22 fixed at the bottom of the lower pressing block 21, the anti-falling block 22 is located inside the engaging member 23, the right end of the anti-falling block 22 contacts with the inner wall of the front portion of the left frame 11, after the pressing member 2 is released by pressing the pressing member 2 again, the pressing member 2 is limited by the anti-falling block 22 under the elastic force of the return spring 4, so that the pressing member 2 is not easy to be ejected out of the movable insertion hole 13, or the pressing member 2 is not easy to fall out of the left frame 11 in daily use, and one end of the anti-, the anti-slip block 22 can play a role of guiding the pressing member 2 during the up-and-down movement of the pressing member 2.

The outer side wall of the lower end of the engaging member 23 is provided with a second sliding surface 233 slidably connected to the matching structure, the rear side of the engaging member 23 is provided with a first sliding surface 232, the inner wall of the upper portion of the rear side of the engaging member 23 is provided with a clamping limiting surface 231 hooked and clamped with the limiting member 6, in an initial state, namely when the engaging member 23 is located on the upper side of the limiting member 6, the first sliding surface 232 abuts against the limiting member 6, the front end of the engaging member 23 abuts against the first guiding surface 71, in the process of pressing the pressing member 2 downwards once, after the second sliding surface 233 slides for a certain distance along the first guiding surface 71, the clamping limiting surface 231 is clamped with the limiting member 6, and when the pressing member 2 is pressed downwards again, the second sliding surface 233 moves along the second guiding surface 72 under the guiding action of the.

Referring to fig. 5-6, the lower end of the pressing member 2 is fixedly disposed on at least one engaging member 23 for engaging with the left frame 11, a second sliding surface 233 slidably connected to the matching structure is disposed on an outer sidewall of the lower end of the engaging member 23, a first sliding surface 232 is disposed on a rear side of the engaging member 23, a engaging limiting surface 231 engaged with the limiting member 6 is disposed on an inner wall of an upper portion of a rear side of the engaging member 23, in an initial state, that is, when the engaging member 23 is located on an upper side of the limiting member 6, the first sliding surface 232 abuts against the limiting member 6, a front end of the engaging member 23 abuts against the first guiding surface 71, during a pressing of the pressing member 2, after the second sliding surface 233 slides along the first guiding surface 71 for a certain distance, the engaging limiting surface 231 engages with the limiting member 6, and when the pressing member 2 is pressed again, the second sliding surface 233 moves along the second guiding surface 72 under the guiding action.

Referring to fig. 3 and 7-8, at least one limiting member 6 for limiting the engaging member 23 to engage is disposed on the inner wall of the left frame 11, the limiting member 6 includes a guide surface 61 and a limiting surface 62 respectively disposed at the lower portion of the front side of the limiting member 6, a engaging portion is formed between the limiting surface 62 and the limiting surface 62, the engaging portion is matched with the engaging limiting surface 231, when the pressing member 2 is pressed down once, the first sliding surface 232 moves down along the guide surface 61 until the engaging member 23 engages with the limiting member 6, and the engaging limiting surface 231 abuts against the limiting surface 62.

Referring to fig. 4, the upper portion of the sliding connection member 5 is cut with at least one matching structure for allowing the engaging member 23 to deform and disengage from the locking state with the limiting member 6, the matching structure includes a matching groove 7 cut in the upper portion of the slider 51 and a first guide surface 71 and a second guide surface 72 disposed on the matching groove 7, the second guide surface 72 is located inside the first guide surface 71, and the top of the second guide surface 72 is connected to the lower portion of the second guide surface 72, in an initial state, the engaging member 23 is located on the upper side of the limiting member 6, the engaging member 23 respectively abuts against the limiting member 6 and the first guide surface 71 and is kept fixed, the pressing member 2 is pressed down once to engage and lock the engaging member 23 with the limiting member 6, the pressing member 2 is pressed down again, and under the guiding action of the second guide surface 72, the engaging member 23 disengages from the limiting member 6, so that the engaging member 2 can be restored to the original position.

When the pressing member 2 is pressed down once, the engaging member 23 drives the sliding connection member 5 to move forward in the axial direction in the left frame 11, and the axial compression distance between the sliding connection member 5 and the left frame 11 is up to the first state, that is, the engaging member 23 presses the first guide surface 71, and the first guide surface 71 drives the slider 51 to move forward in the left frame 11; the clamping piece 23 is clamped in the limiting piece 6, and the distance between the sliding connecting piece 5 and the right frame body 12 is increased;

when the pressing member 2 is further pressed downwards, the engaging groove 7 presses the engaging member 23, and the engaging member 23 deforms and disengages from the limiting member 6, that is, when the pressing member 2 is further pressed downwards, under the guiding action of the second guiding surface 72, the engaging member 23 gradually disengages from the limiting member 6 and slides along the second guiding surface 72;

the pressing piece 2 is released, the clamping piece 23 returns along the matching groove 7 under the action of the elastic force of the return spring 4, the axial distance between the sliding connecting piece 5 and the left frame body 11 is released to the maximum second state, and the original distance between the sliding connecting piece 5 and the right frame body 12 is restored.

Can press down pressing member 2 to realize sliding connection spare 5 axial displacement in right framework 11, and then make sliding connection spare drive the plug part and remove, with the use and the unused two kinds of states of realizing plug part, easy operation is convenient, the flexibility is stronger, and when external effort is less, the pressing member is difficult for activity downwards in the right framework, and then difficult triggering that leads to whole device, the device keeps in the unused state, thereby it is troublesome to have reduced the outside and touched under the effect and the unnecessary that arouses by mistake.

Example 1:

referring to fig. 9-10, a push pen with a push self-locking structure comprises a front pen barrel 81 and a rear pen barrel 82 which are sleeved with each other, wherein pen cores are sleeved in the front pen barrel 81 and the rear pen barrel 82, a return spring 4 is clamped between the pen cores and the front pen barrel 81, a push piece 2 is arranged on the outer wall of the front part of the front pen barrel 81 and used for driving the rear pen barrel 82 to slide axially in the front pen barrel 81, a push jack 83 which can allow the push piece 2 to move up and down in the front pen barrel 81 is chiseled on the outer wall of the front part of the front pen barrel 81, at least one limiting piece 6 is fixedly arranged on the inner wall of the front part of the front pen barrel 81, a matching structure is arranged at one end of the rear pen barrel 82 in the front pen barrel 81, in an initial state, a clamping piece 23 on the push piece 2 is positioned on the upper side of the limiting piece 6, the pen core is hidden in the front pen barrel 81, when the pen cores are exposed out of the front pen barrel 81, at this time, the cartridge is exposed, the pressing member 2 is pressed down again, under the guiding action of the second guiding surface 72, the engaging member 23 is disengaged from the limiting member 6 and moves along the second guiding surface 72 at the second guiding surface 72, at this time, the return spring 4 is in a compressed state, after the pressing member 2 is released, under the elastic force of the return spring 4, the pressing member 2 and the engaging member 23 move upward in the front barrel 81 until the engaging member 23 returns to the original position, that is, the engaging member 23 abuts against the guiding surface 61 and the first guiding surface 71, and at this time, the cartridge is hidden.

Can realize making the refill accomodate in preceding pen container 81 or stretch out before pen container 81 outside according to the use needs, can be better protect and portable the nib, when saving independent pen socket, under the less circumstances of external effort, the nib is difficult for stretching out before the pen container outside to make external article be difficult for being infected with the pen oil or make it difficult for being pricked by the nib bad.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.

Claims (5)

1. Press self-locking structure, its characterized in that: the left frame body (11) and the right frame body (12) are fixedly arranged at the rear part of the left frame body (11), a sliding connecting piece (5) is arranged in the left frame body (11), a positioning part (3) is fixedly arranged on the inner wall of the front part of the left frame body (11), and a return spring (4) is sleeved between the sliding connecting piece (5) and the positioning part (3);

the upper part of the left frame body (11) is provided with a pressing piece (2) used for driving the sliding connecting piece (5) to slide relatively in the axial direction in the left frame body (11), the upper part of the left frame body (11) is provided with a movable insertion hole (13) through which the pressing piece (2) can move up and down in the left frame body (11), and the lower end of the pressing piece (2) is fixedly arranged on at least one clamping piece (23) used for being clamped with the left frame body (11);

the inner wall of the left frame body (11) is provided with at least one limiting piece (6) for the limited clamping of the clamping piece (23);

the upper part of the sliding connecting piece (5) is provided with at least one matching structure for the clamping piece (23) to deform and separate from the clamping state with the limiting piece (6);

the pressing piece (2) is pressed down once, the clamping piece (23) drives the sliding connecting piece (5) to move forwards in the axial direction in the left frame body (11), and the sliding connecting piece (5) and the left frame body (11) are axially compressed to be in a first state; the clamping piece (23) is clamped in the limiting piece (6), and the distance between the sliding connecting piece (5) and the right frame body (12) is increased;

the pressing piece (2) is further pressed downwards, the matching groove (7) extrudes the clamping piece (23), and the clamping piece (23) deforms and is separated from the limiting piece (6);

the pressing piece (2) is released, the clamping piece (23) returns along the matching groove (7) under the action of the elastic force of the return spring (4), the axial distance between the sliding connecting piece (5) and the left frame body (11) is released to the maximum second state, and the original distance between the sliding connecting piece (5) and the right frame body (12) is restored;

the pressing piece (2) comprises a lower pressing piece (21) matched with the movable insertion hole (13) and at least one anti-falling piece (22) fixedly arranged at the bottom of the lower pressing piece (21), the anti-falling piece (22) is positioned on the inner side of the clamping piece (23), and the right end of the anti-falling piece (22) is in contact with the inner wall of the front part of the left frame body (11); sliding connection spare (5) include with left frame body (11) bottom sliding connection's slider (51) and set firmly in anterior annular locating piece (52) of slider (51), reset spring (4) are located between annular locating piece (52) and location portion (3), slider (51) are located the downside of locating part (6).

2. The pressing self-locking structure according to claim 1, wherein: the matching structure comprises a matching groove (7) formed in the upper portion of the sliding block (51), and a first guide surface (71) and a second guide surface (72) which are arranged on the matching groove (7), wherein the second guide surface (72) is located on the inner side of the first guide surface (71), and the top of the second guide surface (72) is connected with the lower portion of the second guide surface (72).

3. The pressing self-locking structure according to claim 2, wherein: the transverse length of the anti-falling block (22) is greater than that of the transverse section of the movable jack (13).

4. The pressing self-locking structure according to claim 1, wherein: be equipped with on the lateral wall of fastener (23) lower extreme with cooperation structure sliding connection's second glide plane (233), fastener (23) rear side portion is equipped with first glide plane (232), be equipped with on the inner wall on fastener (23) rear side upper portion with spacing piece (6) the spacing face of joint (231) of hook joint.

5. The pressing self-locking structure according to claim 4, wherein: locating part (6) are including locating spigot surface (61) and spacing face (62) of the lower part of locating part (6) front side respectively, form a joint portion between spacing face (62) and spacing face (62), joint portion and the spacing face of joint (231) phase-match.

Images