CN201043648Y

CN201043648Y - Screw-connecting anti-loosing construction of main and secondary screw member

Info

Publication number: CN201043648Y
Application number: CNU2007200059636U
Authority: CN
Inventors: 李添富
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-29
Filing date: 2007-03-29
Publication date: 2008-04-02
Anticipated expiration: 2017-03-29

Abstract

The utility model is a looseproof structure for the connection of male and female screw parts comprising a female screw part and a male screw part. One end of the male screw is provided with an opening and a female thread is equipped in the inner side wall near the end, the male screw part is provided with a corresponding opening of which the outer side wall is provided with a male thread, the thread path of the male thread is provided with a gap. The gap aligns to the looseproof key and allows the key being inserted into; by blocking the gap and stopping the path of the male thread, the close seal effect that the male and female screw parts can not be loosen is obtained.

Description

Male and female spiral shell spare screws togather anti-loose structure

Technical field

The utility model relates to a kind of male and female spiral shell spare structure, is meant that especially a kind of male and female spiral shell spare screws togather anti-loose structure.

Background technique

Many tubuloses or think the container that the tubulose kenel engages in the daily life must rely on kenel that male and female screws togather with its combination, for example portable kettle, the filtering element (cartridge) etc. of drinking water; And even the pipeline of fluids such as industrial transport gas, liquid, because regular unlatching and closed characteristic are arranged.All need to rely on an end to have male thread, an end has two sections conjunctions of box thread with its combination.Yet owing to often have fluids such as liquid, gas in described container or the pipeline, and at pressure state, described fluid has and follows the anxiety that (especially described male and female screw thread connect crack) leaked in the crack.Therefore, must described male and female screw thread is sealed by the packing ring and the brute force of sealing, to reach locking.

Yet often owing to mobile, the disturbance of fluid inside, perhaps Wai Bu vibration influence can make that the corresponding relation of described male and female screw thread is loosening gradually, even break away from.Except the waste that causes internal flow to leak, even cause danger.And existing sealing gasket mainly is soft and hoop winding or sheathed assembly, therefore under comparatively powerful shock conditions, still can't avoid loosening, even breaks away from.

Summary of the invention

At the deficiencies in the prior art, the purpose of this utility model is: provide a kind of male and female spiral shell spare to screw togather anti-loose structure, prevent that spiral shell spare from getting loose.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of male and female spiral shell spare screws togather anti-loose structure, comprising: a female spiral shell spare, and the one end has opening, and the inner side surface of nearly opening is provided with box thread; One public spiral shell spare, it is corresponding with the opening of female spiral shell spare that it is provided with a corresponding end, and the outer side surface of nearly described corresponding end is provided with a male thread; It is characterized in that: be equipped with a clip hole on the body of described female spiral shell spare, and establish a resistance in the described clip hole and take off key; Described public spiral shell spare is established a breach in the thread path of male thread, and key is taken off in the resistance of the corresponding female spiral shell spare of described breach, and allows that resistance takes off key and stretch through through inserting described breach behind the clip hole.

The utility model more can be made as the inboard, clip hole of box thread one narrow cervical part of esophagus in the clip hole, described cervical part of esophagus forms the upper and lower mobile track of pin sheet that can take off key for resistance, and described resistance is taken off key and is comprised a moving plate, the inboard pin sheet that extends of moving plate, the end of described pin sheet is the valve portion of a broad, and the width of described valve portion is greater than cervical part of esophagus, and utilize the elasticity of material, make its cervical part of esophagus that stretches through, and making valve portion can be against the breach of public spiral shell spare, described cervical part of esophagus of while also forms the resistance and the resistance of valve portion and takes off.

Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be: to rely on to form cramming for described breach, and block the spiral path of public spiral shell spare and male thread, and then reach male and female spiral shell spare and can't take off the deadend effect of closing.

Description of drawings

Fig. 1 is a stereogram of the present utility model;

Fig. 2 is a three-dimensional exploded view of the present utility model;

Fig. 3 is that Figure 1A-A analyses and observe start and illustrates a figure;

Fig. 4 is that Fig. 2 A-A analyses and observe start and illustrates two figure;

Fig. 5 is Figure 1B-B sectional view.

The female spiral shell spare of description of reference numerals: 1-; The 11-opening; The 12-box thread; 13-clip hole; Key is taken off in the 14-resistance; The public spiral shell spare of 2-; The 21-corresponding end; The 22-male thread; The 23-breach; The 131-cervical part of esophagus; The 141-moving plate; 142-sells sheet; 143-valve portion.

Embodiment

Below be based on aforementioned content, the preferred embodiment that proposes, and rely on graphic explanation structure of the present utility model, characteristics and embodiment, for your auditor this case there is further understanding.

See also Fig. 1, cooperate shown in Figure 2ly, the utility model is to screw togather anti-loose structure about a kind of male and female spiral shell spare, comprising:

A female spiral shell spare 1: female spiral shell spare 1 one ends have opening 11, and are provided with box thread 12 near the inner side surface of opening 11.The body of female spiral shell spare 1 wears a clip hole 13.And described clip hole 13 correspondences are established a resistance and are taken off key 14.

A public spiral shell spare 2: it is corresponding with the opening 11 of female spiral shell spare 1 that public spiral shell spare 2 is provided with a corresponding end 21, and be provided with male thread 22 near the outer side surface of described corresponding end 21.

Public spiral shell spare 2 is established a breach 23 in the thread path of male thread 22.Described breach 23 can corresponding female spiral shell spare 1 resistance take off key 14, and allow that resistance takes off key 14 and stretch through and insert in the described breach 23 through 13 backs, clip hole.

Rely on resistance to take off key 14 and radially insert breach 23 by described clip hole 13, can be for the cramming of described breach 23, and block the spiral path of public spiral shell spare 2 and male thread 22, and then reach male and female spiral shell spare 2,1 and can't take off the deadend effect of closing.

See also Fig. 3, shown in the start signal of Fig. 4, specific embodiment of the utility model more is made as 13 inboards, clip hole of box thread 12 cervical part of esophagus 131 that is narrower than clip hole 13, described cervical part of esophagus 131 forms and can take off on the key 14 for resistance, mobile down track, and described resistance is taken off key 14 and is comprised a moving plate 141, the moving plate 141 inboard pin sheets 142 that extend, see also shown in Figure 5, the end of described pin sheet 142 is the valve portion 143 of a broad, and the width of described valve portion 143 is greater than cervical part of esophagus 131, and utilize the elasticity of material, make its cervical part of esophagus 131 that stretches through, and making valve portion 143 can be against the breach 23 of public spiral shell spare 2, described cervical part of esophagus 131 of while also forms the resistance and the resistance of valve portion 143 and takes off.

Rely on moving plate 141 to order about pin sheet 142, and order about valve portion 143 upper and lower moving, promptly with axial disengaging and the breach 23 of getting back to public spiral shell spare 2.Promptly can rely on the state of playing, change resistance and take off the whether state of clip of key 14.The utility model utilizes mobility to select, and whether decision relies on resistance to take off key 14 for the cramming of described breach 23, and blocks the spiral path of public spiral shell spare 2 and male thread 22, and then reaches male and female spiral shell spare 2,1 and can't take off the deadend effect of closing.

Thereby, rely on design of the present utility model, can reduce or avoid to have in container or the pipeline fluids such as liquid, gas when pressure state, cause the leakage of fluid because of getting loose of screwing togather.Therefore, the utlity model has the security insurance effect.

More than explanation is just illustrative for the utility model, and it is nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited, can make many modifications, variation or equivalence, but but all will fall within the claim restricted portion of the present utility model.

Claims

1. a male and female spiral shell spare screws togather anti-loose structure, comprising:

One female spiral shell spare, the one end has opening, and the inner side surface of nearly opening is provided with box thread;

One public spiral shell spare, it is corresponding with the opening of female spiral shell spare that it is provided with a corresponding end, and the outer side surface of nearly described corresponding end is provided with a male thread; It is characterized in that:

Be equipped with a clip hole on the body of described female spiral shell spare, and establish a resistance in the described clip hole and take off key;

Described public spiral shell spare is established a breach in the thread path of male thread, and key is taken off in the resistance of the corresponding female spiral shell spare of described breach, and allows that resistance takes off key and stretch through through inserting described breach behind the clip hole.

2. male and female spiral shell spare according to claim 1 screws togather anti-loose structure, it is characterized in that: the inboard, clip hole of described box thread is made as the cervical part of esophagus that is narrower than the clip hole, described cervical part of esophagus forms and can take off the upper and lower mobile track of key for resistance, and described resistance is taken off key and is comprised a moving plate, the inboard pin sheet that extends of moving plate, the end of described pin sheet is the valve portion of a width greater than cervical part of esophagus, and described valve portion stretches through in cervical part of esophagus.