CN213039624U

CN213039624U - Elastic screw fastener

Info

Publication number: CN213039624U
Application number: CN202021555561.5U
Authority: CN
Inventors: 侯征耀; 张毅; 崔晨
Original assignee: Osaka Precision Hardware Taicang Co ltd
Current assignee: Dalian Youte Steel Products Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-04-23
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a belong to the technical field of the fastener, specifically be an elastic screw fastener, the screw cap comprises a nut, the lower extreme of nut is seted up flutedly, the fixed screw rod that is provided with in inside of recess, the fixed plate that has cup jointed in upper end of screw rod pole wall, the fixed spring housing that is provided with of lower lateral wall of fixed plate, the lower end threaded connection of screw rod pole wall has the nut, the mounting groove has been seted up to the upper end of nut, the fixed slipmat that is provided with in inside of mounting groove, the fixed slot has been seted up at the both ends of mounting groove, the fixed connecting block that is provided with the symmetry in both ends of slipmat, two the lower lateral wall of connecting block is the fixed block that is provided with all, can carry out quick replacement to.

Description

Elastic screw fastener

Technical Field

The utility model relates to a fastener technical field specifically is an elastic screw fastener.

Background

The elastic screw is used for fixing the panel of the electronic device on the main body and comprises a screw rod, a screw cap and a spring, wherein the screw cap and the spring are positioned at one end of the screw rod, the spring is sleeved on the screw rod, when the elastic screw is used, the screw rod penetrates through the through hole of the panel and is screwed in the threaded hole of the main body, and two ends of the spring respectively abut against the screw cap and the panel so as to lock the panel and the main body.

Elastic screw in the past with the not panel connection in-process of equidimension, required spring housing variation in size, when the spring housing of the corresponding size of needs, the spring housing of the corresponding model of quick replacement can not influence the use limitation of spring screw, lead to the installation fixity relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elastic screw fastener to solve the spring screw fastener that proposes among the above-mentioned background art and can not change the problem of the spring housing of corresponding model according to the panel class of different models.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an elastic screw fastener, includes the nut, the lower extreme of nut is seted up flutedly, the inside fixed screw rod that is provided with of recess, the fixed plate that has cup jointed in upper end of screw rod wall, the fixed spring housing that is provided with in lower lateral wall of fixed plate, the lower end threaded connection of screw rod wall has the nut, the mounting groove has been seted up to the upper end of nut, the fixed slipmat that is provided with in inside of mounting groove, the fixed slot has been seted up at the both ends of mounting groove, the fixed connecting block that is provided with the symmetry in both ends of slipmat, two the lower lateral wall of connecting block is all fixed and is provided with the fixed block, the spacing groove of symmetry is seted up at the both.

Preferably, stop gear includes the limiting plate, two the limiting plate all with two the lateral wall sliding connection of spacing groove, the draw-in groove of symmetry is seted up at the both ends of fixed plate, two the equal fixed gag lever post that is provided with in one side that the limiting plate is adjacent, two the lateral wall that the spacing groove was all run through to the adjacent one end of gag lever post extend to the outside and with joint between the draw-in groove, two the equal fixed connecting rod that is provided with in one side that the limiting plate deviates from, two the connecting rod deviates from one side of limiting plate and all fixes and be provided with the pull ring, two the pole wall of gag lever post all has fixed the cover to be cup jointed the spring, two the adjacent one end of spring all with the lateral wall fixed connection of spacing groove, two the one end that the.

Preferably, the outer part of the screw cap is provided with epoxy zinc-rich primer.

Preferably, the spring sleeve is made of rubber.

Preferably, the two fixing blocks are fixedly connected with the screw cap through screws.

Compared with the prior art, the beneficial effects of the utility model are that:

through the common cooperation of fixed plate, limiting plate, gag lever post, connecting rod, pull ring and spring, carry out quick replacement to the spring housing, be convenient for carry out erection joint with the mainboard of different models, increase spring screw fastener's practicality.

Drawings

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

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is an enlarged schematic view of a portion B in fig. 1.

In the figure: the anti-skid device comprises a nut 1, a screw 2, a fixing plate 3, a spring sleeve 4, an anti-skid pad 5, a connecting block 6, a fixing block 7, a limiting plate 8, a limiting rod 9, a connecting rod 10, a pull ring 11, a spring 12 and a nut 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: an elastic screw fastener comprises a screw cap 1, wherein a groove is formed in the lower end of the screw cap 1, a screw rod 2 is fixedly arranged in the groove, a fixing plate 3 is fixedly sleeved at the upper end of a rod wall of the screw rod 2, a spring sleeve 4 is fixedly arranged on the lower side wall of the fixing plate 3, a nut 13 is connected to the lower end of the rod wall of the screw rod 2 in a threaded manner, a mounting groove is formed in the upper end of the nut 13, an anti-slip pad 5 is fixedly arranged in the mounting groove, fixing grooves are formed in two ends of the mounting groove, symmetrical connecting blocks 6 are fixedly arranged at two ends of the anti-slip pad 5, fixing blocks 7 are fixedly arranged on the lower side walls of the two connecting blocks 6, symmetrical limiting;

the limiting mechanism comprises limiting plates 8, the two limiting plates 8 are both connected with the side walls of the two limiting grooves in a sliding manner, the two ends of the fixed plate 3 are provided with symmetrical clamping grooves, one adjacent sides of the two limiting plates 8 are both fixedly provided with limiting rods 9, the adjacent ends of the two limiting rods 9 extend through the side walls of the limiting grooves to the outside and are clamped between the clamping grooves, one sides of the two limiting plates 8, which are far away from each other, are both fixedly provided with connecting rods 10, one sides of the two connecting rods 10, which are far away from the limiting plates 8, are both fixedly provided with pull rings 11, the rod walls of the two limiting rods 9 are both fixedly sleeved with springs 12, the adjacent ends of the two springs 12 are both fixedly connected with the side walls of the limiting grooves, and, the spring sleeve 4 with the corresponding size is replaced according to the model of the mainboard, so that the screw fastener is stably connected with the mainboard, and the practicability of the screw fastener is improved;

the epoxy zinc-rich primer is arranged outside the nut 1, so that the fastener is prevented from being corroded after being used for a long time;

the spring sleeve 4 is made of rubber materials, so that the connection between the fastening piece and the main board is more stable;

the two fixing blocks 7 are fixedly connected with the screw cap 1 through screws.

The working principle is as follows: during the use, the nut 13 rotates, take off nut 13 from screw rod 2, pulling pull ring 11, pull ring 11 drives lateral wall fixed connection's limiting plate 8 to both ends motion, two limiting plates 8 drive lateral wall fixed connection's gag lever post 9 motions, make separately between gag lever post 9 and the draw-in groove, limiting plate 8 pulling spring 12, after changing the spring housing 4 of corresponding model, loosen pull ring 11, spring 12 stimulates lateral wall fixed connection's limiting plate 8 motion, limiting plate 8 drives joint between lateral wall fixed connection's gag lever post 9 and the draw-in groove, it is fixed to carry out quick installation to spring 4 cover.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An elastic screw fastener comprises a screw cap (1) and is characterized in that the lower end of the screw cap (1) is provided with a groove, a screw rod (2) is fixedly arranged in the groove, a fixed plate (3) is fixedly sleeved at the upper end of the rod wall of the screw rod (2), a spring sleeve (4) is fixedly arranged on the lower side wall of the fixed plate (3), a nut (13) is connected with the lower end of the rod wall of the screw rod (2) in a threaded manner, the upper end of the nut (13) is provided with an installation groove, the interior of the installation groove is fixedly provided with an anti-skid pad (5), fixing grooves are formed in two ends of the mounting groove, symmetrical connecting blocks (6) are fixedly arranged at two ends of the non-slip mat (5), fixing blocks (7) are fixedly arranged on the lower side walls of the two connecting blocks (6), symmetrical limiting grooves are formed in two ends of the nut (1), and limiting mechanisms are fixedly arranged in the limiting grooves.

2. A resilient screw fastener according to claim 1, wherein: the limiting mechanism comprises limiting plates (8), the two limiting plates (8) are connected with the side walls of the two limiting grooves in a sliding manner, the draw-in groove of symmetry, two is seted up at the both ends of fixed plate (3) one side that limiting plate (8) are adjacent all fixed being provided with gag lever post (9), two lateral wall that the spacing groove was all run through to the one end that gag lever post (9) are adjacent extend to the outside and with joint between the draw-in groove, two one side that limiting plate (8) deviate from all fixed being provided with connecting rod (10), two one side that connecting rod (10) deviate from limiting plate (8) is all fixed being provided with pull ring (11), two the pole wall of gag lever post (9) is all fixed having cup jointed spring (12), two the adjacent one end of spring (12) all with the lateral wall fixed connection of spacing groove, two the one end that spring (12) deviate from all with the lateral wall fixed connection of limiting plate (8).

3. A resilient screw fastener according to claim 1, wherein: and the exterior of the screw cap (1) is provided with epoxy zinc-rich primer.

4. A resilient screw fastener according to claim 1, wherein: the spring sleeve (4) is made of rubber materials.

5. A resilient screw fastener according to claim 1, wherein: the two fixing blocks (7) are fixedly connected with the screw cap (1) through screws.