CN213628421U

CN213628421U - Combined fastener device

Info

Publication number: CN213628421U
Application number: CN202022574298.0U
Authority: CN
Inventors: 周小成
Original assignee: Shenzhen Jiataiyuan Metal Technology Co ltd
Current assignee: Shenzhen Jiataiyuan Metal Technology Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-07-06
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a combined fastener device, including screw rod, fixed block and nut, the inside dwang that is provided with of screw rod, and install vertical spring in the dwang hypomere outside, the spacing groove has been seted up on dwang upper portion, and installs the rotation button above the dwang, the inside upper end fixed mounting of screw rod has last transverse spring, the fixed block is installed in the screw rod below outside, the external gear rear is provided with the push pedal, the nut is installed in the screw rod outside. This combination fastener device adopts neotype structural design for dwang and screw rod are independent individuality, make dwang and screw rod break away from the relation of mutual block after the installation, and the screw rod can not rotate thereupon when rotating the dwang again, thereby prevent that outside rotation button from being touched and the not hard up that leads to by the mistake, and the fixed plate can be fixed nut and screw rod as a whole, when producing vibrations, nut or screw rod can not independently rotate, thereby just can not lead to not hard up.

Description

Combined fastener device

Technical Field

The utility model relates to a fastener technical field specifically is a combination fastener device.

Background

The fasteners are generally called standard parts in daily use, are workpieces for fixing one or more objects together in a certain way, are relatively extensive mechanical basic parts, so that the demand in life is large, the fasteners can not be separated on various machines, vehicles and instruments, the fasteners can be divided into detachably connected fasteners and non-detachably connected fasteners, the former can be separated from the fasteners such as bolts without damaging the fasteners, and the latter can break the fasteners such as rivets when the fasteners are separated.

With the continued use of combination fastener devices, the following problems have been found during use:

1. a part of a common fastener is left on the outer side of an object after being installed, and the part left on the outer side is touched carelessly in daily use, so that the whole fastener is rotated, the device is loosened, and the fastening effect is influenced

2. After a general fastener is installed, a certain vibration can be generated in the process of reusing an object, so that the fastener can slightly rotate due to the influence of the vibration, and the fastener can be completely loosened after being used for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combination fastener device to propose among the above-mentioned background art and stay outside partial power mistake touch, the vibrations in the use lead to not hard up problem.

In order to achieve the above object, the utility model provides a following technical scheme: a combined fastener device comprises a screw rod, a fixed block and a nut, wherein a rotating rod is arranged in the screw rod, a longitudinal spring is arranged on the outer side of the lower section of the rotating rod, a clamping block is fixedly arranged on the outer side of the middle part of the rotating rod, a limiting groove is formed in the upper part of the rotating rod, a rotating button is arranged above the rotating rod, an upper transverse spring is fixedly arranged at the upper end in the screw rod, a limiting ball is arranged at the other end of the upper transverse spring, a clamping groove is arranged below the limiting ball, the fixed block is arranged on the outer side below the screw rod, an outer gear is fixedly arranged behind the fixed block, an inner gear is arranged on the outer side of the outer gear, a push plate is arranged behind the outer gear, a support rod is arranged behind the push plate, a, and the fixed slot has been seted up to fixed plate inside, and the connecting rod is installed on fixed plate both sides simultaneously.

Preferably, the rotating rod forms an elastic structure with the screw rod through a longitudinal spring, and a clamping block and a clamping groove which are arranged on the outer side of the rotating rod form a clamping structure.

Preferably, the limiting ball and the rotating rod form an elastic structure through an upper transverse spring, and the limiting ball and the limiting groove form a sliding structure.

Preferably, the external gear is in meshed connection with the internal gear, and the external gear and the screw form a sliding structure.

Preferably, the support rod is rotatably connected with the sliding block, the sliding blocks are symmetrically arranged about the center of the push plate to form 2 sliding blocks, and the 2 sliding blocks form an elastic structure through a lower transverse spring.

Preferably, the fixed plate passes through the connecting rod and constitutes dismantlement mounting structure with the nut, and the fixed plate passes through the fixed slot and constitutes the block structure with the fixed block.

Compared with the prior art, the beneficial effects of the utility model are that: this combination fastener device adopts neotype structural design for dwang and screw rod are independent individuality, make dwang and screw rod break away from the relation of mutual block after the installation, and the screw rod can not rotate thereupon when rotating the dwang again, thereby prevent that outside rotation button from being touched and the not hard up that leads to by the mistake, and the fixed plate can be fixed nut and screw rod as a whole, when producing vibrations, nut or screw rod can not independently rotate, thereby just can not lead to not hard up.

1. The cooperation of dwang, spacing groove and spacing ball is used, and the dwang pushes spacing ball case both sides and removes and make the compression of horizontal spring when promoting downwards, and when spacing ball moved the spacing groove position, upward horizontal spring pushed spacing ball inside the spacing groove, realized the fixed of position about the dwang, and the cooperation of rethread fixture block and draw-in groove can make the dwang drive the screw rod and rotate, otherwise then the dwang rotates alone, does not influence the screw rod.

2. The fixed plate can be utilized to fix the nut and the screw rod into a whole after installation, and the nut and the screw rod cannot rotate independently under the influence of the outside, so that the relative positions of the nut and the screw rod are guaranteed, and looseness is prevented.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the screw according to the present invention;

fig. 3 is a schematic top view of the fixing plate of the present invention;

fig. 4 is a schematic view of the push plate of the present invention.

In the figure: 1. a screw; 2. rotating the rod; 3. a longitudinal spring; 4. a clamping block; 5. a limiting groove; 6. a knob is rotated; 7. an upper transverse spring; 8. a limiting ball; 9. a card slot; 10. a fixed block; 11. an outer gear; 12. an internal gear; 13. pushing the plate; 14. a support bar; 15. a slider; 16. a lower transverse spring; 17. a nut; 18. a fixing plate; 19. fixing grooves; 20. a connecting rod.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a combined fastener device comprises a screw rod 1, a rotating rod 2, a longitudinal spring 3, a clamping block 4, a limiting groove 5, a rotating button 6, an upper transverse spring 7, a limiting ball 8, a clamping groove 9, a fixing block 10, an outer gear 11, an inner gear 12, a push plate 13, a supporting rod 14, a sliding block 15, a lower transverse spring 16, a nut 17, a fixing plate 18, a fixing groove 19 and a connecting rod 20, wherein the rotating rod 2 is arranged inside the screw rod 1, the longitudinal spring 3 is arranged outside the lower section of the rotating rod 2, the clamping block 4 is fixedly arranged outside the middle part of the rotating rod 2, the limiting groove 5 is arranged on the upper part of the rotating rod 2, the rotating button 6 is arranged above the rotating rod 2, the upper transverse spring 7 is fixedly arranged at the upper end inside the screw rod 1, the limiting ball 8 is arranged at the other end of the upper, and an outer gear 11 is fixedly installed behind the fixed block 10, an inner gear 12 is arranged on the outer side of the outer gear 11, a push plate 13 is arranged behind the outer gear 11, a support rod 14 is installed behind the push plate 13, a slide block 15 is installed at the other end of the support rod 14, a lower transverse spring 16 is fixedly installed between the slide blocks 15, a nut 17 is installed on the outer side of the screw rod 1, a fixed plate 18 is arranged below the nut 17, a fixed groove 19 is formed in the fixed plate 18, and connecting rods 20 are installed on two sides of the fixed plate 18.

Dwang 2 constitutes elastic construction through vertical spring 3 and screw rod 1, and the block structure is constituteed with draw-in groove 9 to the fixture block 4 of the installation in the dwang 2 outside, foretell structure makes dwang 2 can reciprocate in 1 inside screw rods, fixture block 4 and draw-in groove 9 block during the downward movement, dwang 2 can drive screw rod 1 when rotating and rotate, and 2 rebound back fixture block 4 and draw-in groove 9 break away from, and 2 rotations of dwang can not influence the rotation of screw rod 1, prevent that the mistake from touching.

Spacing ball 8 constitutes elastic construction through last transverse spring 7 and dwang 2, and spacing ball 8 constitutes sliding construction with spacing groove 5, foretell structure makes dwang 2 promote spacing ball 8 to both sides and make go up transverse spring 7 compression at the in-process of downward movement, after the position that removes spacing groove 5, go up transverse spring 7 and push into spacing groove 5 inside with spacing ball 8, realize the fixed to dwang 2 position, make it to drive screw 1 and rotate.

The external gear 11 is engaged with the internal gear 12, and the external gear 11 and the screw rod 1 form a sliding structure, so that the external gear 11 can drive the fixing block 10 to slide relative to the screw rod 1, and when the external gear 11 moves to a position engaged with the internal gear 12, the fixing block 10 is driven to rotate together by the rotation of the screw rod 1.

The supporting rod 14 is rotatably connected with the sliding block 15, the sliding block 15 is symmetrically arranged at 2 centers relative to the pushing plate 13, and an elastic structure is formed between the 2 sliding blocks 15 through the lower transverse spring 16, so that under the action of no external pressure, the sliding block 15 can approach under the action of the lower transverse spring 16, the pushing plate 13 is pushed outwards through the supporting rod 14, the outer gear 11 and the inner gear 12 are separated, the fixing block 10 can rotate freely when the fixing block is not installed, and the fixing plate 18 is convenient to install.

The fixing plate 18 and the nut 17 form a dismounting and mounting structure through the connecting rod 20, the fixing plate 18 and the fixing block 10 form a clamping structure through the fixing groove 19, and the fixing plate 18 can fix the screw rod 1 and the nut 17 into a whole through the connecting rods 20 on two sides of the inner fixing groove 19, so that the screw rod and the nut 17 cannot rotate independently, and looseness is avoided.

The working principle is as follows: when the device is used, according to the structure shown in figures 1 and 2, firstly, a screw rod 1 passes through an object to be fastened to be contacted with a nut 17, then a rotating rod 2 is pressed downwards, the rotating rod 2 moves downwards to enable a clamping block 4 to enter a clamping groove 9, the rotating rod 2 extrudes a limiting ball 8 towards two sides and enables an upper transverse spring 7 to compress, when the limiting ball 8 moves to the position of a limiting groove 5, the limiting ball 8 is pushed into the limiting groove 5 under the action of the upper transverse spring 7 so as to limit the up-and-down movement of the rotating rod 2, then the rotating rod 2 is rotated to drive an external screw rod 1 to rotate and simultaneously enter the nut 17 so as to finish the fastening effect on the object, the rotating rod 2 is pulled upwards after the fastening is finished to enable the limiting ball 8 to be separated from the limiting groove 5, the rotating rod 2 is pushed upwards and maintained above under the action of a longitudinal spring 3, at this time, the rotating rod, thereby preventing the external rotation knob 6 from being accidentally touched to be loosened during use.

According to the construction shown in fig. 1, 3 and 4, the fixing block 10 below the screw 1 is rotated to a lateral position after fastening, then the fixing plate 18 is clamped with the fixing block 10 through the fixing groove 19, then the connecting rod 20 is rotated, the connecting rod 20 drives the fixing plate 18 to move upwards, thereby driving the fixed block 10 to move inwards the screw 1, the outer gear 11 extrudes the push plate 13 to move backwards in the process of moving inwards, at the same time, the push plate 13 rotates the support rod 14 and drives the slide block 15 to move towards two sides, so that the lower transverse spring 16 is stretched, the connecting rod 20 stops rotating when the external gear 11 moves to be engaged with the internal gear 12, through the occlusion of the external gear 11 and the internal gear 12, the screw 1 drives the nut 17 to rotate simultaneously when rotating, thereby avoiding relative rotation of the screw 1 and the nut 17 and preventing loosening, which is the working principle of the combined fastener device.

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. The utility model provides a combination fastener device, includes screw rod (1), fixed block (10) and nut (17), its characterized in that: the screw rod (1) is internally provided with a rotating rod (2), a longitudinal spring (3) is installed on the outer side of the lower section of the rotating rod (2), a clamping block (4) is fixedly installed on the outer side of the middle of the rotating rod (2), a limiting groove (5) is formed in the upper portion of the rotating rod (2), a rotating button (6) is installed above the rotating rod (2), an upper transverse spring (7) is fixedly installed at the upper end of the inner portion of the screw rod (1), a limiting ball (8) is installed at the other end of the upper transverse spring (7), a clamping groove (9) is formed below the limiting ball (8), a fixing block (10) is installed on the outer side of the lower portion of the screw rod (1), an outer gear (11) is fixedly installed at the rear portion of the fixing block (10), an inner gear (12) is arranged on the outer gear (11, and slider (15) are installed to the other end of bracing piece (14), and fixed mounting has horizontal spring (16) down between slider (15) simultaneously, nut (17) are installed in screw rod (1) outside, and nut (17) below is provided with fixed plate (18) to fixed plate (18) inside has seted up fixed slot (19), and connecting rod (20) are installed on fixed plate (18) both sides simultaneously.

2. The combination fastener device of claim 1, wherein: dwang (2) constitute elastic construction through vertical spring (3) and screw rod (1), and fixture block (4) and draw-in groove (9) constitution block structure of dwang (2) outside installation.

3. The combination fastener device of claim 1, wherein: the limiting ball (8) and the rotating rod (2) form an elastic structure through the upper transverse spring (7), and the limiting ball (8) and the limiting groove (5) form a sliding structure.

4. The combination fastener device of claim 1, wherein: the external gear (11) is meshed with the internal gear (12), and the external gear (11) and the screw rod (1) form a sliding structure.

5. The combination fastener device of claim 1, wherein: the supporting rod (14) is rotatably connected with the sliding blocks (15), the sliding blocks (15) are symmetrically arranged about the center of the push plate (13) in number of 2, and the 2 sliding blocks (15) form an elastic structure through lower transverse springs (16).

6. The combination fastener device of claim 1, wherein: the fixing plate (18) and the nut (17) form a dismounting and mounting structure through the connecting rod (20), and the fixing plate (18) and the fixing block (10) form a clamping structure through the fixing groove (19).