CN2876409Y

CN2876409Y - Easy assembling latch pin lock structure

Info

Publication number: CN2876409Y
Application number: CN 200620055176
Authority: CN
Inventors: 李重志
Original assignee: 蔡添庆
Priority date: 2006-02-17
Filing date: 2006-02-17
Publication date: 2007-03-07
Anticipated expiration: 2016-02-17

Abstract

The utility model relates to the art of the locking parts, especially referring to an easy-to-remove-and-install bolt lock structure used for fixing and connecting the objects; the invention includes the pin and pin cover; the center of the pin cover is set with pin hole for inserting and assembling the pin; two opposite sides of the middle section of the pin are distantly equipped with protrusion A and protrusion B along the axial direction; a flexible hole is set at the inner center of the middle section of the pin; at the bottom of the flexible hole is set with an upwards-protruding clip top; around the outer circle of the small end of the pin cover is set with the barb structure, and notched with the cutting grooves from the small end of the pin cover and along the axial direction; the inner bottom of the cutting grooves ends at the lower side of the big end of the pin cover, and the inner bottom of the cutting grooves fitly forms the limit part to match with the protrusion A and B of the pin; and on the inner wall of the cutting grooves is notched with the clipping grooves along the axial direction to match with the clip top of the pin. The utility model has the following advantages: I. The utility model does not need other tools when assembling and removing, has fast finishing speed and high assembling efficiency; II. The utility model has long use time and low cost; III. The locking degree can be directly judged by the ending point.

Description

Latch lock construction easy to assemble

Technical field:

The utility model relates to the lock-connecting piece technical field, refers in particular to a kind of being used for fixing and the latch lock construction easy to assemble that is connected object.

Background technique:

At present, people fix when being connected object, and generally adopt the assembling mode of screw and bolt, and this mode has following shortcoming: 1, assembly and disassembly are all slow, and need be combined with nut or tapped hole, screw and bolt will just can be put into and split out with instrument during assembly and disassembly; 2, screw and bolt are hardware, get rusty easily, and influence the function and the life-span of product; 3, cost is higher; 4, locking degree is difficult to differentiation directly perceived, needs to rely on testing of equipment screw or bolt tension force size to judge.

Summary of the invention:

The purpose of this utility model is to overcome the defective of prior art, provides a kind of simple in structure, and processing and fabricating is convenient, easy-to-dismount latch lock construction.

For achieving the above object, the utility model comprises pin and guide, and both are the plastic cement member, and the guide middle part is provided with pin hole supply and marketing nail and inserts assembling; Pin is a flat configuration, and two offsides in the stage casing are interval with protruding A and protruding B vertically down, and a springhole is arranged at the interior middle part in pin stage casing, and the two ends perforation, and springhole is separated protruding A, the B of two offsides just; Lower bottom part at springhole is convexly equipped with Yi Kading up, and this card top part evagination is in the side of springhole; The pin hole of guide also is a flat configuration, shape, size and pin are complementary, and are provided with overhead structure in the small end periphery of guide, and offer splitting groove vertically by the small end of guide, the interior bottom of splitting groove ends at the downside that leans on of the big end of guide, and the pin hole part is coincide with splitting groove; The interior bottom of splitting groove forms limited part just, can cooperate screens with protruding A, the B of above-mentioned pin; On the sidewall of splitting groove, also be provided with draw-in groove vertically, can cooperate screens with the Ka Ding of above-mentioned pin.

The big end of described pin is designed to the nut shape, and is provided with the holding part that can supply staff to promote at the lower bottom part of big end, and the holding part is positioned at the flat sides of pin just.

Protruding A on described pin two offsides and protruding B are the structure of band chamfer surface or arc surface, are convenient to the insertion of pin and withdraw from.

The utility model designs by resulting structure, cooperates interlocking by pin and guide, and pin inserts in the guide, and guide runs through the connection object, and by two ends difference clamping fastening about the guide, realizes being connected and fixed; Adopt such latch lock construction, have following advantage: 1, during assembly and disassembly all without other instrument, directly pushes and promote pin just can finish, and it is fast to finish speed, the efficiency of assembling height with hand; 2, pin and guide are the plastic cement member, do not have the situation of getting rusty, long service life; 3, cost is low; 4, locking degree can intuitively be differentiated with terminating point.

Description of drawings:

Accompanying drawing 1 is the utility model composite structure schematic representation;

Accompanying drawing 2 is the utility model perspective exploded view;

Accompanying drawing 3 is the perspective view of the utility model pin;

Accompanying drawing 4 is the perspective view of the utility model guide;

Accompanying drawing 5 is the internal structure cut-away view of the utility model guide;

Accompanying drawing 6 is the utility model one embodiment schematic representation.

Embodiment:

Below in conjunction with accompanying drawing the utility model is described further:

See shown in the accompanying drawing 1～5 that the utility model comprises pin 1 and guide 2, both adopt plastic material to make, and guide 2 middle parts are provided with pin hole 21 supply and marketing nail 1 and insert assembling; Pin 1 is a flat configuration, and two offsides in the stage casing are interval with protruding A and protruding B vertically down.One springhole 11 is arranged at the interior middle part in pin 1 stage casing, and two ends connect, and springhole 11 is separated protruding A, the B of two offsides just, is convexly equipped with a card top 12 up at the lower bottom part of springhole 11, and card top 12 part evaginations are in the side of springhole 11.The pin hole 21 of guide 2 also is a flat configuration, shape, size and pin 1 are complementary, small end periphery at guide 2 is provided with overhead structure 22, and offer splitting groove 23 vertically by the small end of guide 2, the interior bottom of splitting groove 23 ends at the downside that leans on of guide 2 big ends, pin hole 21 parts and splitting groove 23 coincide, and the interior bottom of splitting groove 23 forms limited part 24 just, can cooperate screens with protruding A, the B of above-mentioned pin 1; On the sidewall of splitting groove 23, also be provided with draw-in groove 25 vertically and cooperate screens with the card top 12 of above-mentioned pin 1.

The big end of pin 1 is designed to the nut shape, and is provided with the holding part 13 that can supply staff to promote at the lower bottom part of big end, and holding part 13 is positioned at the flat sides of pin 1 just, and is simple, convenient, need not to use other instrument, can finish with hand.Protruding A on 1 liang of offside of pin and protruding B are convenient to the insertion of pin 1 and are withdrawed from for the structure of band chamfer surface.Limited part 24 clampings of projection A and protruding B and guide 2, can limit the position of pin 1 in guide 2, play the effect of location, locking, when limited part 24 clampings of protruding A and guide 2, then be half interlocking state of latch lock, when leaning on limited part 24 clampings of last protruding B and guide 2, then finish the interlocking work of latch lock, at this moment pin 1 fills pin hole 21 fully, splitting groove 23 two sides of guide 2 promptly can not be drawn close relatively to receive and pinch, the relative spreading of the terminal of guide 2 is propped up overhead structure 22 and is carried out the clamping locking, promptly realizes interlocking.

Springhole 11 is separated protruding A, the B of two offsides just, and springhole 11 provides shrink space, makes protruding A, the B of two offsides have radial elastic, contracts and outer in can be automatically, is convenient to pin 1 and inserts in guide 2 and extract.

On the sidewall of the splitting groove 23 of guide 2, also be provided with draw-in groove 25 vertically and cooperate screens with the card top 12 of above-mentioned

1,12 positions, card top are lower than protruding A, B, card top 12 direction of insertion have the plane of inclination, the convenient insertion made up, utilize last end face 251 screens of card top 12 and draw-in groove 25 when pushing back, can prevent that pin 1 from withdrawing from guide 2 fully, both make pin 1 and guide 2 constitute an integral body of getting in touch; Card top 12 can be moved by straight line draw-in groove 25 in, and the splitting groove 23 of guide 2 can realize that the receipts of drawing close relatively of its two side pinch.

Accompanying drawing 6 is depicted as the utility model one embodiment schematic representation, it is the schematic representation that is used to connect the computer CPU radiator support, at this moment the stage casing periphery of guide 2 also is provided with another overhead structure 26, this overhead structure 26 is used for the following bottom of clamping support 3 respective through hole, and the overhead structure 22 of guide 2 small ends is used for the following bottom of the respective through hole of clamping backboard 4.During assembling, pin 1 inserts in the guide 2, but do not insert fully, and guide 2 passes support 3, pcb board (not shown), backboard 4 successively, guide 2 big ends are stuck in the last top of support 3 respective through hole, and overhead structure 26 is used for the following bottom of clamping support 3 respective through hole, and the overhead structure 22 of guide 2 small ends is used for the following bottom of the respective through hole of clamping backboard 4; Depress pin 1 subsequently, when making limited part 24 clampings of leaning on last protruding B and guide 2, then finish the interlocking work of latch lock.The part inner support that pin 1 inserts guide 2 makes it to draw close relatively to receive and pinches in the two side of splitting groove 23, promptly keeps overhead structure 22 can connect effect.When pulling up pin 1, make the splitting groove 23 of guide 2 present the room, be that splitting groove 23 can be realized that drawing close relatively of its two side received and pinches, at this moment receive the clamping of the following bottom of the respective through hole that can remove overhead structure 22 and backboard 4 in the two side of pinching splitting groove 23, the interlocking of guide 2 and backboard 4 can be withdrawed from, dismounting can be finished successively, easy to operate, quick, whole process also need not to use other instrument, efficient height.

Certainly; the embodiment of the above only is preferred embodiment of the present utility model; be not to limit practical range of the present utility model,, all should be covered by in the protection domain of the present utility model so the equivalence that all shapes according to the utility model, structure and principle are done changes with this.

Claims

1, latch lock construction easy to assemble comprises pin (1) and guide (2), and guide (2) middle part is provided with pin hole (21) supply and marketing nail (1) and inserts assembling, it is characterized in that:

Pin (1) is a flat configuration, two offsides in the stage casing are interval with protruding A and protruding B vertically down, one springhole (11) is arranged at the interior middle part in pin (1) stage casing, and two ends connect, springhole (11) is separated protruding A, the B of two offsides just, lower bottom part at springhole (11) is convexly equipped with Yi Kading (12) up, and this Ka Ding (12) part evagination is in the side of springhole (11);

The pin hole (21) of guide (2) also is a flat configuration, shape, size and pin (1) are complementary, small end periphery at guide (2) is provided with overhead structure (22), and offer splitting groove (23) vertically by the small end of guide (2), the interior bottom of splitting groove (23) ends at the downside that leans on of the big end of guide (2), pin hole (21) part is coincide with splitting groove (23), and the interior bottom of splitting groove (23) forms limited part (24) just, can cooperate screens with protruding A, the B of above-mentioned pin (1); On the sidewall of splitting groove (23), also be provided with draw-in groove (25) vertically and cooperate screens with the Ka Ding (12) of above-mentioned pin (1).

2, latch lock construction easy to assemble according to claim 1, it is characterized in that: the big end of described pin (1) is designed to the nut shape, and being provided with the holding part (13) that can promote for staff at the lower bottom part of big end, holding part (13) are positioned at the flat sides of pin (1) just.

3, latch lock construction easy to assemble according to claim 1 is characterized in that: protruding A on described pin (1) two offside and protruding B are the structure of band chamfer surface or arc surface.

4, according to each described latch lock construction easy to assemble in the claim 1～3, it is characterized in that: described pin (1) and guide (2) are the plastic cement member.