CN211423604U

CN211423604U - Novel screw-in connector

Info

Publication number: CN211423604U
Application number: CN201922322307.4U
Authority: CN
Inventors: 徐少泽
Original assignee: Shaoxing Shangyu Zhongtang Electrical Hardware Factory
Current assignee: Shaoxing Shangyu Zhongtang Electrical Hardware Factory
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-09-04
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a novel screw in connects relates to the union coupling spare, and owing to the extrusion force that receives pipe connection spare and pipeline is inhomogeneous when aiming at solving sealing washer deformation, can make the sealing washer take place to squint, and its technical scheme main points are: offer the location portion that is used for holding the sealing washer on the periphery wall that is close to joint portion one end of screw portion, joint portion is offered towards one side of screw portion and is annular spacing groove, and when the sealing washer inlayed in spacing inslot, the lateral wall effect sealing washer extrusion screw portion's of spacing groove effort. The utility model discloses a set up the constant head tank in screw thread portion and set up in the spacing groove that the constant head tank communicates each other in joint portion, can increase the sealing washer in the area of contact of joint portion and screw thread portion, make the difficult displacement that takes place of sealing washer to the degree of depth of spacing groove is from the periphery wall of joint portion to screw thread portion crescent, thereby makes the sealing washer when receiving extrusion deformation, with the sealing washer spacing in spacing groove and constant head tank, improve the leakproofness of connecting between pipeline and the screw thread portion.

Description

Novel screw-in connector

Technical Field

The utility model relates to a pipe connection spare, more specifically says, it relates to a novel screw in connects.

Background

Pipeline connection spare is used for the connection of pipeline end, in order to play the effect of extension pipeline, the buildding of pipeline is a comparatively important ring in hydraulic engineering's work progress, and pipeline connection spare is as the important accessory of connecting tube, it can play fastening connection's effect, for the leakproofness of guaranteeing pipeline connection spare and pipe connection department, often set up the sealing washer in pipeline connection spare and pipe connection department and increase sealed effect, when pipeline connection spare and pipe connection, elastic deformation can take place owing to receive the extrusion effort for the sealing washer, but because the extrusion force that receives pipeline connection spare and pipeline is inhomogeneous when the sealing washer deformation, can make the sealing washer take place the skew, and then lead to the sealing washer can't play better sealed effect.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel screw in connects, through set up the constant head tank in screw portion and set up in the spacing groove that the constant head tank communicates each other in joint portion, can increase the area of contact of sealing washer in joint portion and screw portion, when pipeline and screw in articulate, make the difficult displacement that takes place of sealing washer, and the degree of depth of spacing groove is crescent from the periphery wall of joint portion to screw portion, thereby make the sealing washer when receiving extrusion deformation, spacing in spacing groove and constant head tank with the sealing washer, improve the leakproofness of connecting between pipeline and the screw portion.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a novel screw in connects, include joint portion and with joint portion fixed connection's screw thread portion, the external diameter of joint portion is greater than screw thread portion, offer the location portion that is used for holding the sealing washer on the periphery wall of screw thread portion that is close to joint portion one end, joint portion is offered towards one side of screw thread portion and is annular spacing groove, the sealing washer when inlaying in spacing inslot, the lateral wall effect sealing washer extrusion screw thread portion's of spacing groove effort.

Through adopting above-mentioned technical scheme, make things convenient for the connection of pipeline through screw thread portion and joint portion, and the external diameter of joint portion is greater than the external diameter of screw thread portion, and then play the effect that spacing check kept off to the pipeline of one end through joint portion, when screw thread portion and pipe connection, the effect of location is played to the sealing washer through the location portion of screw thread portion, and set up spacing groove in joint portion towards one side of screw thread portion, because the lateral wall of spacing groove is to the effort of the extrusion screw thread portion of embedding sealing washer effect in spacing portion, thereby when pipeline and screw thread portion threaded connection, can be spacing in spacing groove box location portion with the sealing washer, when the pipeline extrusion sealing washer, difficult messenger's sealing washer that makes takes place the skew at deformation, and then improve the sealed effect that the screw.

The utility model discloses further set up to: the depth of the limiting groove gradually increases from the outer wall of the clamping portion to the threaded portion.

Through adopting above-mentioned technical scheme, the groove depth of spacing groove increases progressively from the outer wall of joint portion to screw thread portion to the bottom that makes the spacing groove is the slope form, the bottom that sets up through the slope is to the effort of screw thread portion of crowded of sealing washer effect one, and then with the sealing washer spacing between the periphery wall of screw thread portion and spacing groove, play the effect of guide to the deformation of sealing washer, and increase the sealing washer in the area of contact of joint portion, and then improve the sealed effect of screw thread portion and pipe connection department.

The utility model discloses further set up to: the inner walls of the limiting grooves are all obliquely arranged, and the included angle between two adjacent inner walls of the limiting grooves towards the outside is an obtuse angle.

Through adopting above-mentioned technical scheme, two inner walls that the spacing groove is adjacent are the obtuse angle towards external contained angle, further guarantee the area of contact of sealing washer and spacing groove, and then improve the leakproofness of screw thread portion and pipeline junction.

The utility model discloses further set up to: the locating portion is internally provided with a locating groove, the inner wall of the locating groove is provided with an arc-shaped section and an inclined section which are connected, and the concave surface of the arc-shaped section is arranged towards the direction of the limiting groove.

Through adopting above-mentioned technical scheme, through the setting of constant head tank, can be with the sealing washer spacing with the constant head tank in, through the area of contact of segmental arc increase sealing washer in the constant head tank with the constant head tank, because the concave surface of segmental arc sets up towards the spacing groove direction to when the sealing washer is located constant head tank and spacing groove and takes place to deform, play the effect of centre gripping to the sealing washer through spacing groove box segmental arc, make the firm spacing of sealing washer in constant head tank and spacing groove.

The utility model discloses further set up to: the locating slot is communicated with the limiting slot, and the inclined section and the inner wall of the adjacent limiting slot are located on the same plane.

Through adopting above-mentioned technical scheme, the positioning groove box spacing groove communicates each other for the sealing washer can inlay in the positioning groove box spacing inslot simultaneously, and increase the area of contact of constant head tank and spacing groove and sealing washer, and the inner wall of slope section and spacing groove is in the coplanar, thereby increase the frictional force between screw thread portion and the sealing washer, make the firm setting of sealing washer between the location portion and the spacing groove of screw thread portion, improve the leakproofness of screw thread portion and pipe connection department.

The utility model discloses further set up to: and a hexagonal-prism-shaped counter bore is formed in one side, away from the clamping part, of the threaded part, and the counter bore penetrates through the threaded part and the clamping part in sequence.

Through adopting above-mentioned technical scheme, the counter bore of hexagonal prism form is seted up to one side that joint portion was kept away from to screw portion, and the counter bore runs through screw portion and joint portion in proper order for people can carry out the rotation operation to the screw in joint through interior hexagonal spanner cooperation counter bore, makes the pipeline be connected with screw portion, makes things convenient for people's operation, and carries out the driven mode through inside, makes screw portion and pipeline be difficult for rotating under receiving external force, improves the stability of screw portion and pipe connection.

To sum up, the utility model discloses following beneficial effect has:

through set up the constant head tank in screw thread portion and set up in the spacing groove that the constant head tank communicates each other in joint portion, can increase the area of contact of sealing washer in joint portion and screw portion, and then improve the frictional force of sealing washer between screw portion and joint portion, when pipeline and screw in articulate, make the difficult displacement that takes place of sealing washer, and the degree of depth of spacing groove is crescent to screw portion from the periphery wall of joint portion, thereby make the sealing washer when receiving extrusion deformation, spacing in spacing groove and constant head tank with the sealing washer, make the even cover of sealing washer establish outside screw portion, improve the leakproofness of connecting between pipeline and the screw portion.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

fig. 4 is an enlarged schematic view of a portion B of fig. 3.

In the figure: 1. a threaded portion; 2. a clamping part; 3. a positioning part; 4. a limiting groove; 5. an arc-shaped section; 6. an inclined section.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A novel screw-in connector is shown in figures 1 to 4, and comprises a clamping part 2 for clamping with a pipeline and a thread part 1 fixedly connected with the clamping part 2, wherein the thread part 1 and the clamping part 2 are of a cylindrical structure, the outer diameter of the clamping part 2 is larger than that of the thread part 1, a hexagonal-prism-shaped counter bore is formed in one side, away from the clamping part 2, of the thread part 1, the counter bore penetrates through the thread part 1 and the clamping part 2 in sequence, so that an inner hexagonal wrench can be embedded in the counter bore, an external thread is arranged on the outer surface, away from one end of the clamping part 2, of the thread part 1, a positioning part 3 for accommodating a sealing ring is arranged on the outer peripheral wall, close to one end of the clamping part 2, an annular positioning groove is formed in the positioning part 3, an arc-shaped section 5 and an inclined section 6 are connected with each other, wherein a limit groove, and the concave surface of segmental arc 5 in the constant head tank sets up towards 4 directions in spacing groove, slope section 6 is located the coplanar with the inner wall of adjacent spacing groove 4, and the degree of depth of spacing groove 4 is progressively increased progressively from joint portion 2's outer wall to screw thread portion 1, the inner wall of spacing groove 4 all is the slope setting, two adjacent inner walls of spacing groove 4 are the obtuse angle towards external contained angle, the sealing washer inlays in spacing groove 4, the lateral wall of spacing groove 4 is used the effort of sealing washer extrusion screw thread portion 1, wherein joint portion 2 is cylindricly, and its internal diameter is greater than the diameter of counter bore, joint portion 2 keeps away from opening part integrated into one piece of screw thread portion 1 has the turn-ups of turning over outwards, and carry out the chamfer through the beveler on joint portion 2's inner wall and handle, make the embedding way joint portion 2 that.

When the screw-in connector is used for connecting a pipeline, firstly, an elastic sealing ring is sleeved on a thread part 1 of the screw-in connector, and the sealing ring is enabled to move towards a clamping part 2, when the sealing ring moves into a positioning groove of the thread part 1, the positioning groove plays a role in limiting and positioning the sealing ring, because the positioning groove boxes are communicated with a limiting groove 4, one side of the sealing ring is embedded in the limiting groove 4, then a hexagon spanner is inserted into a counter bore in the thread part 1 from the clamping part 2, the thread part 1 is enabled to move towards one end of the inner wall of the pipeline, the pipeline is in threaded connection through external threads on the outer peripheral wall of the thread part 1, when the pipeline is in threaded connection with the thread part 1 and moves towards the clamping part 2, the sealing ring sleeved outside the thread part 1 is extruded through the pipeline, the sealing ring is enabled to deform and completely fill the limiting groove 4, because the groove depth of the limiting groove 4 is gradually, and the two inner walls of the clamping groove are obliquely arranged, so that the contact area of the sealing ring and the limiting groove 4 is increased, the sealing property of the joint of the pipeline and the thread part 1 is improved, and when the sealing ring is elastically deformed, an acting force extruding to the thread part 1 can act on the sealing ring through the side wall of the limiting groove 4, so that the sealing ring is not easy to deviate under the mutual extrusion action of the clamping part 2 of the pipeline box, the sealing ring can be uniformly sleeved on the outer peripheral wall of the thread part 1, the sealing property of the joint of the thread part 1 and the pipeline is ensured, then another sealing ring matched with the inner diameter of the clamping part 2 is placed in the clamping part 2, another pipeline is inserted into the inner wall of the clamping part 2 from the opening of the clamping part 2, because the chamfering processing is carried out at the opening of the clamping part 2, and the end of the clamping part 2, far away from the thread part 1, is turned outwards, so that the pipeline, the installation of people is convenient.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A novel screw-in connector is characterized in that: including joint portion (2) and with joint portion (2) fixed connection's screw thread portion (1), the external diameter of joint portion (2) is greater than screw thread portion (1), offer location portion (3) that are used for holding the sealing washer on the periphery wall that is close to joint portion (2) one end of screw thread portion (1), joint portion (2) are seted up towards one side of screw thread portion (1) and are annular spacing groove (4), when the sealing washer inlays in spacing groove (4), the lateral wall of spacing groove (4) acts on the effort of sealing washer extrusion screw thread portion (1).

2. A novel screw-in fitting according to claim 1, wherein: the depth of the limiting groove (4) gradually increases from the outer wall of the clamping portion (2) to the thread portion (1).

3. A novel screw-in fitting according to claim 2, wherein: the inner walls of the limiting grooves (4) are all obliquely arranged, and the included angle between two adjacent inner walls of the limiting grooves (4) towards the outside is an obtuse angle.

4. A novel screw-in fitting according to claim 1, wherein: the locating groove is formed in the locating portion (3), the inner wall of the locating groove is provided with an arc-shaped section (5) and an inclined section (6) which are connected, and the concave surface of the arc-shaped section (5) is arranged towards the direction of the limiting groove (4).

5. A novel screw-in fitting according to claim 4, wherein: the locating groove is communicated with the limiting groove (4), and the inclined section (6) and the inner wall of the adjacent limiting groove (4) are located on the same plane.

6. A novel screw-in fitting according to claim 1, wherein: one side of the thread part (1) far away from the clamping part (2) is provided with a hexagonal-prism-shaped counter bore, and the counter bore penetrates through the thread part (1) and the clamping part (2) in sequence.