CN201561207U - Structure of port joint - Google Patents

Abstract

The utility model relates to a structure of port joint, which comprises a joint body, a brake ring sheathed on the joint body and a jointing screw cap screwed on the joint body. At least one elastic brake part protruding outwards is arranged on the outer diameter surface of the brake ring; and a brake butting protruding part capable of laterally shifting and butting against the brake part is arranged on the end surface of the jointing screw cap. When the jointing screw cap joints toward the joint body and moves to a proper position, the brake butting protruding part can laterally shift the brake part and sound to remind users; when the pipe joint is in a locking state, the brake butting protruding part can absorb excessive force and protect the components; and the brake part is prevented from deformation and damage caused by being pushed and butted against by the brake butting protruding part for a long time, so that the pipe joint can continuously provide high-quality position limiting and protection functions.

Description

Pipe joint structure

Technical field

The utility model is about a kind of pipe joint structure, refers to a kind of appropriate amount of spacing design to remind the user to screw togather that have especially, reaches the protective tube joint and avoids taking place because of the stressed excessive situation of damaging.

Background technique

In manufacture of semiconductor or pharmaceuticals manufacture process, the fluid that uses or produce in the process is carried via pipe fitting mostly, and utilize pipe joint that equipment such as pipe fitting and machine are connected with group, wherein fluid has certain danger, therefore the fluid in the manufacture process leaks outside or pollutes, so for the winding of pipe joint and the pipe fitting compaction that screws togather partly to a certain degree requirement is arranged.

Existing pipe joint includes a joint body; the one winding nut and a collar; be provided with a perforation in this joint body; and a spiro union portion is set in regular turn on this joint body; one clamping part; one screw section and a junction; this winding nut one side is provided with an internal thread part; side forms a clamping part in addition; this collar is positioned between this joint body and this winding nut; wherein; this spiro union portion in order to the pipe joint winding to machinery equipment; the clamping part of this joint body and winding nut provides tool holding; and rotation this joint body of locking and this winding nut; this screw section can be screwed together in this internal thread part; this joint is in order to be connected pipe fitting; the user is in the process of this pipe fitting of locking and this pipe joint, and in order to ensure the compaction of locking, the user usually can automaticly apply excessive strength; make this joint body and winding nut produce distortion and influence closed state, or and then allow this joint body produce crack to cause damage.

In order to improve the above-mentioned shortcoming of existing pipe joint, just the someone designs another pipe joint with limit function, as shown in Figure 6, winding nut 90 in this pipe joint is laid several first in the end of contiguous this clamping part and is supported the protuberance 91 of pulling, the clamping part of this pipe joint forms a ring portion 92 on a side of contiguous this winding nut 90 in addition, this ring portion 92 is provided with one at least one second and supports the protuberance 93 of pulling, in the locking process, those first support the protuberance 91 of pulling and can move axially towards this ring portion 92, in the time of extremely to a certain degree, those first support the protuberance 91 of pulling and can dial second on these ring portions 92 of bullet and support the protuberance 93 of pulling, and send the sound simultaneously and remind user's clamping compaction.

Only, this structural design has the serious disappearance of binomial in the use:

The first, in the process of locking, first supports the protuberance 91 of pulling can axially press second to the protuberance 93 generation distortion (as shown in Figure 7) of pulling, if the user does not note not supporting first pulling protuberance 91 and second when the protuberance 93 of pulling staggers mutually, press second for a long time to pulling protuberance 93 because of first to the protuberance 91 of pulling, cause elastic failure, make its amount of deformation reduce, the sound that causes dialling the bullet generation diminishes, even can not send out sound, and lose the effect of spacing caution.

Moreover, when the user in sending caution sound, and stop still to proceed the locking action immediately, this first supports the protuberance 91 of pulling and can go deep into second and support in the deformation space of the protuberance 93 of pulling, form a kind of shearing action, support the joint of pulling between protuberance 93 and this ring portion 92 and destroy second.

Summary of the invention

Main purpose of the present utility model is to provide a kind of pipe joint structure, and uncommon design whereby improves the shortcoming that existing pipe joint also produces distortion or destroys, and provides one than easy molding manufacturing and lower-cost pipe joint in the locking process.

Take off purpose for before reaching, the pipe joint structure that the utility model is designed includes:

The joint body of one hollow, this joint body are provided with an adjacent clamping part;

One stopper ring, cover are organized on this joint body, and this stopper ring has a ring body, and this ring body outside is provided with at least one stopper portion of protruding outwardly; And

The winding nut of one hollow, it is bolted on this joint body, but this winding nut is convexly equipped with the protuberance of pulling that supports that the plural number side direction is played stopper portion on the end face of contiguous this stopper ring.

Can learn by above-mentioned; the utility model pipe joint utilizes those to support the protuberance of pulling to reach limit function; therefore the user is with the clamping part of this joint body of tool holding and when screwing operation; when being torqued-up to a certain degree; the protuberance of pulling that supports of this winding nut utilizes the side to touch mutually with the stopper portion on this stopper ring; and in by the time stir stopper portion; sending the sound simultaneously reminds the user to lock closely state; during locking; those support the protuberance end of pulling and can be connected on clamping part one side of this joint body; and reach spacing purpose; avoid the end face and the directly relative pinching of this joint body of this winding nut; when if the application of force is excessive; those support the protuberance of pulling and can absorb strength earlier and produce distortion; reach the purpose of this winding nut of protection and joint body; in addition; in the time of locking; the tail end of the stopper portion of this stopper ring can not be subjected to compressing of this winding nut for a long time and be out of shape; damage; so this stopper ring is not easy the locking deformed damaged because of pipe joint; so can continue to provide the function of reminding the locking degree; so this pipe joint is more proper user's demand in the use, and has practicability.

Description of drawings

Fig. 1: the perspective exploded view that is connected with pipe fitting for the utility model pipe joint structure;

Fig. 2: for Fig. 1 makes up generalized section;

Fig. 3: be the schematic top plan view of 2-2 section among Fig. 2;

Fig. 4: be the still undeformed floor map of this elastic ring portion in the utility model;

Fig. 5: for this elastic ring portion in the utility model is subjected to floor map to the protuberance extrusion-deformation of pulling;

Fig. 6: for second supporting the still undeformed schematic side view of protuberance of pulling in the existing pipe joint locking process;

Fig. 7: be second schematic side view of supporting the convex part deformation of pulling in the existing pipe joint locking process.

Embodiment

See also Fig. 1 and Fig. 2, be the schematic representation that a utility model pipe joint structure and a pipe fitting 50 are connected mutually, wherein, this pipe joint includes a joint body 10, a stopper ring 20 and a winding nut 30, and can further comprise a collar 40, and this collar 40 can be fixedly arranged on this winding nut 30.

Be provided with a perforation 11 in this joint body 10, and be connected with runner in the pipe fitting 50 that is connected mutually, these joint body 10 outsides are provided with a pipe fitting joint 12, a screw section 13 and a concave ring groove 14 in regular turn, this pipe fitting joint 12 provides this pipe fitting 50 cover groups, in the utility model preferred embodiment, this joint body 10 is provided with inserted part 15 on the side of this concave ring groove 14, reaches inserted part 16 in the upper end of this concave ring groove 14, and wherein this inserted part 15,16 can be a recess.

These stopper ring 20 buttons are organized in the concave ring groove 14 of this joint body 10, this stopper ring 20 has a ring body 21, convex with the flexible stopper of at least one tool portion 22 on these ring body 21 outer side surfaces, in the utility model preferred embodiment, 22 in this ring body 21 and stopper portion are provided with poroid deformation space 23, in addition this stopper ring 20 in ring body 21 be provided with match should the button group first, the second snapping portion 24,25, can be surrounded among the concave ring groove 14 of joint body 10, utilize first, the second snapping portion 24,25 mutual snappings, and can not come off among being fixed in concave ring groove 14, this stopper ring 20 is provided with a positioning part 26 and upper limb is provided with positioning part 27 on inner side surface again, this positioning part 26,27 can be a protuberance, and can stretch into this inserted part 15, in 16, further this stopper ring 20 is positioned this joint body 10.

This winding nut 30 is bolted on this joint body 10, there is a through hole that runs through these winding nut 30 inside, these winding nut 30 1 sides are provided with a choke 31, side is provided with an internal thread part 32 in this through-hole wall face place in addition, and can with these screw section 13 bolts, this winding nut 30 is convexly equipped with to the protuberance 33 of pulling on the end face of contiguous this stopper ring 20, but and should support protuberance 33 side direction of pulling and play stopper portion 22 (as shown in Figure 3) on this stopper ring 20, in addition, these winding nut 30 outer side surfaces are provided with one can provide the folder portion 34 of tool holding, and should folder portion 34 be polygonal.

In the utility model preferred embodiment, this collar 40 is positioned at the through hole of this winding nut 30, and is set on the pipe fitting 50 that is connected, and in locking condition, this collar 40 is adjacent to choke 31 places (as shown in Figure 2) of this winding nut 30.

See also Figure 1 and Figure 2, this pipe joint is in order to be connected a pipe fitting 50 and to connect other object or pipe fitting 50, this winding nut 30 and this collar 40 cover are in advance organized on the pipe fitting 50 that institute's desire is connected, and these pipe fitting 50 1 end covers are organized on the pipe fitting joint 12 of this joint body 10, with instrument winding nut 30 locking screws are fixed in this joint body 10 again.

Wait to continue to lock to a certain degree the time, the protuberance 33 of pulling that supports of this winding nut 30 can contact with the stopper portion 22 on this stopper ring 20, and when the protuberance 33 of pulling is passed through stopper portion 22 ends, can lateral compression stopper portion 22 produce distortion (as shown in Figure 5) towards pairing deformation space 23, treat to the protuberance 33 of pulling by after the stopper portion 22, the stopper portion 22 of distortion can come out and falls into two adjacent 33 of the protuberances (as Fig. 3 and shown in Figure 5) of pulling that support from these deformation space 23 resiliences, stopper portion can send the sound in the time of 22 resiliences, reminds the user to screw locking condition.

When if the user still continues rotary lock, when these winding nut 30 set ends that support the protuberance 33 of pulling move on the end face of concave ring groove 14 lower edges that are connected to this joint body 10, winding nut 30 is subjected to spacing, avoids winding nut 30 excessively to lock the damage that causes winding nut 30 or joint body 10.

Compare with existing structure, characteristic of the present utility model has 2 points:

1, winding nut 30 is that side direction is stirred (as shown in Figure 3) to the protuberance 33 of pulling for stopper portion 22, when stopper portion 22 and when the protuberance 33 of pulling interferes, 22 meetings of stopper portion flick naturally because of elastic reaction and sound, can not utilize first to support the protuberance of pulling and axially second of ring portion is supported the protuberance of pulling and press as existing, make ring portion be subjected to long-term compressing and be out of shape and follow the string, and can't bring into play the function of caution.

2, winding nut 30 is when it is excessively locked, utilize to support on the end face of concave ring groove 14 lower edges that the protuberance 33 of pulling directly is pressed against joint body 10, can not be urged to stopper ring 20 and guarantee that each member can not be damaged, can first not support the protuberance of pulling and to go deep into second and support in the deformation space of the protuberance of pulling because of this as existing, form a kind of shearing action, support the joint of pulling between protuberance and this ring portion and destroy second.

According to the above; this stopper ring 20 of the utility model pipe joint is except using the removable group of design in this joint body 10; and then each member in this pipe joint is reduced in the manufacture cost that the molding manufacturing is shaped; and utilizing those to support the protuberance 33 of pulling sends with the collocation of this stopper ring 20 and reminds the lock sound of situation of user; again; those support pull protuberance 33 and stopper portion 24 and utilize the mode that side direction plays each other and send the sound; when excessive locking condition; those support on the end face of concave ring groove 14 lower edges that protuberance 33 ends of pulling are connected to this joint body 10; can reach spacing purpose; and those stopper protuberances 33 are positioned on the same horizontal plane with stopper portion 24; stopper portion 24 can not be subjected to compressing of those stopper protuberances 33 for a long time and be out of shape; and can avoid the damage of this stopper ring 20; when if the user applies the locking of excessive strength; those support the protuberance 33 of pulling and can utilize distortion to absorb unnecessary strength; to protect each member in this pipe joint; and avoid the end face of this winding nut 30 to produce crack or damage because of direct relative pinching with this joint body 10; so those designs of supporting the protuberance 33 of pulling can reach the function of buffering; so the utility model pipe joint has more practicability in the use, the manufacture cost that can reduce this pipe joint again is to meet the demand on user and the market.

Claims (9)

1. pipe joint structure is characterized in that comprising:

The joint body of one hollow, this joint body is provided with a screw section;

One stopper ring, cover are organized on this joint body, and this stopper ring has a ring body, and this ring body outside circumference is provided with the flexible stopper of at least one tool portion; And

The winding nut of one hollow, this winding nut one side is convexly equipped with to the protuberance of pulling, and the winding nut is locked the screw section on the joint body, and in when locking, should support the protuberance of pulling and can side direction touch stopper portion on the ring body outside circumference, with caution locking.

2. pipe joint structure as claimed in claim 1, it is characterized in that stopper portion is supported the projection of pulling and produces distortion to touching compressing, this elasticity stopper portion can produce plays and breaks away from compressing to the protuberance of pulling, and when playing, produce sound because of distortion resets, with the caution locking state.

3. pipe joint structure as claimed in claim 1 is characterized in that, is provided with deformation space between the ring body of this stopper ring and the stopper portion.

4. pipe joint structure as claimed in claim 2 is characterized in that, is provided with deformation space between the ring body of this stopper ring and the stopper portion.

5. as each described pipe joint structure of claim 1 to 4, it is characterized in that this stopper ring is provided with first, second snapping portion that matches and answer in ring body.

6. as each described pipe joint structure of claim 1 to 4, it is characterized in that this joint body still comprises a pipe fitting connection part in the spiro union portion front end, the screw section is in other direction place adjacency one concave ring groove.

7. pipe joint structure as claimed in claim 5 is characterized in that, this joint body still comprises a pipe fitting connection part in the spiro union portion front end, and the screw section is in other direction place adjacency one concave ring groove.

8. pipe joint structure as claimed in claim 6 is characterized in that, is provided with the inserted part in the concave ring groove, and the stopper ring is provided with in ring body that match should be in the positioning part of inserted part.

9. pipe joint structure as claimed in claim 7 is characterized in that, is provided with the inserted part in the concave ring groove, and the stopper ring is provided with in ring body that match should be in the positioning part of inserted part.

Images