CN210424128U - Self-locking water pipe joint - Google Patents
Self-locking water pipe joint Download PDFInfo
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- CN210424128U CN210424128U CN201921409271.7U CN201921409271U CN210424128U CN 210424128 U CN210424128 U CN 210424128U CN 201921409271 U CN201921409271 U CN 201921409271U CN 210424128 U CN210424128 U CN 210424128U
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- water pipe
- self
- pipe joint
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Abstract
The utility model relates to a self-locking water pipe joint, including hollow joint body and nut, connect this internal snap ring that is used for fixed bellows that is provided with, the nut cover is established connect in the rear end of body and the snap ring is fixed connect in the inside through-hole of body, the through-hole that supplies the bellows to pass is seted up at the middle part of nut, be provided with the hasp on the lateral surface of nut screw thread rear end, connect this internal be provided with hasp matched with one-way lock tooth, the nut precession when connecting the rear end of body, the hasp with the cooperation of one-way lock tooth makes the nut only can one-wayly screw and can not reverse pine take off. The utility model discloses the whole of auto-lock water pipe head is the working of plastics, and the cost is reduced is provided with auto-lock structure simultaneously, has solved the problem that the working of plastics pine takes off easily, has saved the use of manual work and instrument moreover.
Description
Technical Field
The utility model belongs to the technical field of water pipe head technique and specifically relates to a auto-lock water pipe head is related to.
Background
A water pipe joint is a component used for connecting a water pipe. The water pipe joint can be divided into an external thread end connection type water pipe joint, a clamping sleeve type water pipe joint and a self-fixing type water pipe joint according to the using mode. Most of the existing water pipe connectors are formed by die casting of alloy materials so as to guarantee the sealing performance of the water pipe connectors, but the cost of the water pipe connectors is high, and if the water pipe connectors are made of plastic materials with low cost, the water pipe connectors are easy to loosen after long-term use.
Most of the existing water pipe joints need tools for fastening, firstly, the tools need to be searched, secondly, the time is wasted, and the joint structure which can fasten the joints without tools is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a self-locking water pipe joint, the technical problem of its solution is that the water pipe joint leakproofness of current metal material is good, but the cost is higher, and the water pipe joint of plastics material is not hard up easily.
In order to solve the technical problem existing in the above, the utility model discloses a following scheme:
the utility model provides a auto-lock water pipe head, includes hollow joint body (1) and nut, its characterized in that: be provided with the snap ring that is used for fixed bellows (6) in connecting body (1), the nut cover is established connect in the rear end of body (1) and the snap ring is fixed connect in the inside through-hole of body (1), the through-hole that supplies bellows (6) to pass is seted up at the middle part of nut, be provided with hasp (7) on the lateral surface of nut screw thread rear end, connect be provided with in body (1) with hasp matched with one-way lock tooth (8), the nut precession during the rear end of connecting body (1), hasp (7) with one-way lock tooth (8) cooperation makes the nut only can one-way screw and can not reverse pine take off.
Furthermore, the lock catches (7) are arranged on two outer side faces opposite to the rear end of the nut respectively, and the one-way lock teeth (8) are distributed on the inner side face of the rear end of the joint body (1) in an annular mode.
Further, the snap ring with the nut is an integrative snap ring nut, snap ring nut is formed by left snap ring nut (2) and right snap ring nut (3) combination, snap ring nut's front end is the screw thread end, snap ring nut's rear end is the end cover, hasp (7) set up the screw thread end with between the end cover on snap ring nut's the lateral surface, be provided with on the medial surface of screw thread end and cooperate with bellows (6) and be used for fixing a plurality of cyclic annular draw-in grooves of bellows (6).
Furthermore, a sealing ring (4) is sleeved on the outer side of the front end of the corrugated pipe (6) and used for preventing water from leaking from the opening of the front end of the corrugated pipe (6), and a limiting boss for limiting the forward movement of the sealing ring (4) is arranged in the joint body (1).
Further, spacing boss with the contact surface of sealing washer is the inclined plane, the internal diameter of spacing boss increases in proper order from the past backward, makes when sealing washer (4) are compressed tightly forward, the inclined plane of spacing boss is right the extrusion force increase of sealing washer (4), thereby the reinforcing sealing washer (4) with connect between body (1) and sealing washer (4) with the leakproofness between bellows (6).
Further, sealing washer (4) with between the snap ring nut bellows (6) go up the cover and are equipped with packing ring (5), be used for preventing the snap ring nut rotates and compresses tightly cause wearing and tearing during sealing washer (4).
Furthermore, the contact surface of the gasket (5) and the sealing ring (4) is provided with a bulge and a groove which are matched with each other.
Furthermore, the whole material of the self-locking water pipe joint is plastic.
The self-locking water pipe joint has the following beneficial effects:
(1) the utility model discloses the whole of auto-lock water pipe head is the working of plastics, and the cost is reduced is provided with auto-lock structure simultaneously, has solved the problem that the working of plastics pine takes off easily, has saved the use of manual work and instrument moreover.
(2) The utility model discloses the sealing washer of auto-lock water pipe head is the inclined plane cooperation with the contact surface of spacing boss, fastens forward along with the nut for the contact surface of spacing boss increases to the extrusion force of sealing washer, thereby has strengthened the leakproofness.
(3) The utility model discloses from the snap ring and the nut structure as an organic whole of auto-lock water pipe head, saved the process of installing the snap ring alone.
Drawings
FIG. 1: the utility model is an explosion diagram of a self-locking water pipe joint;
FIG. 2: the utility model is a sectional view of a self-locking water pipe joint;
FIG. 3: the utility model is a nut schematic diagram of a self-locking water pipe joint;
FIG. 4: the utility model discloses auto-lock water pipe head's joint body sketch map.
Description of reference numerals:
1-a joint body; 2-left snap ring nut; 3-right snap ring nut; 4, sealing rings; 5-a gasket; 6, a corrugated pipe; 7, locking; 8, unidirectional locking teeth.
Detailed Description
The present invention will be further explained with reference to fig. 1 to 4:
as shown in fig. 1 and 2, the self-locking water pipe joint comprises a hollow joint body 1, a snap ring nut, a sealing ring 4 and a gasket 5. Wherein, joint body 1, snap ring nut and packing ring 5 are PA66 plastics material, and sealing washer 4 is the rubber material. The front end of the joint body 1 is an outer connecting end, the outer side of the outer connecting end is provided with threads for connecting with other equipment, the inner side of the rear end of the joint body 1 is provided with internal threads, the outer side of the front end of the snap ring nut is provided with external threads, the snap ring nut is screwed into the joint body 1 through the external threads and tightly presses and fixes the sealing ring 4 and the gasket 5 in the joint body 1, the sealing ring 4 is clamped and connected at the outer side of the front end opening of the corrugated pipe 6 and is used for preventing water from leaking from the front end opening of the corrugated pipe 6, the inner side surface of the sealing ring 4 is provided with a plurality of annular fixing grooves matched with the corrugated pipe 6 and is tightly attached to the corrugated pipe 6, the inner side surface of the joint body 1 is provided with a limiting boss for limiting the forward movement of the sealing ring 4, the contact surface of, when making sealing washer 4 progressively compressed tightly, spacing boss inclined plane is crescent to the extrusion force of sealing washer 4 to strengthen the leakproofness of sealing washer, packing ring 5 fills up and establishes on bellows 6 between sealing washer 4 and the snap ring nut, is used for the abrasionproof, is provided with the arch and the recess that mutually support and be used for connecting on packing ring 5 and the contact surface of sealing washer 4.
As shown in fig. 3 and 4, the middle part of the snap ring nut is provided with a through hole for the corrugated pipe 6 to pass through, the snap ring nut is formed by assembling a left snap ring nut 2 and a right snap ring nut 3, the front end of the snap ring nut is a threaded end, the rear end of the snap ring nut is an end cover, the outer diameter of the end cover is larger than the outer diameter of the threaded end, a plurality of annular grooves are arranged on the inner side surface of the threaded end for fixing the corrugated pipe 6, an anti-slip bulge convenient for a human hand to twist is arranged on the outer side surface of the end cover, two opposite lock catches 7 are arranged on the snap ring nut between the end cover and the threaded end, a plurality of one-way lock teeth 8 which are annularly distributed with the lock catches 7 are arranged on the inner side of the rear end port of the joint body 1, when the snap ring nut is screwed into the rear end of the joint body 1.
The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements of the method concept and the technical solution of the present invention can be made without modification, or the present invention can be directly applied to other occasions without modification, and is within the protection scope of the present invention.
Claims (8)
1. The utility model provides a auto-lock water pipe head, includes hollow joint body (1) and nut, its characterized in that: be provided with the snap ring that is used for fixed bellows (6) in connecting body (1), the nut cover is established connect in the rear end of body (1) and the snap ring is fixed connect in the inside through-hole of body (1), the through-hole that supplies bellows (6) to pass is seted up at the middle part of nut, be provided with hasp (7) on the lateral surface of nut screw thread rear end, connect be provided with in body (1) with hasp matched with one-way lock tooth (8), the nut precession during the rear end of connecting body (1), hasp (7) with one-way lock tooth (8) cooperation makes the nut only can one-way screw and can not reverse pine take off.
2. The self-locking water pipe joint of claim 1, wherein: the two lock catches (7) are respectively arranged on two outer side faces opposite to the rear end of the nut, and the one-way lock teeth (8) are distributed on the inner side face of the rear end of the joint body (1) in an annular mode.
3. The self-locking water pipe joint of claim 2, wherein: the snap ring with the nut is integrative snap ring nut, snap ring nut is formed by left snap ring nut (2) and right snap ring nut (3) combination, snap ring nut's front end is the screw thread end, snap ring nut's rear end is the end cover, hasp (7) set up the screw thread end with between the end cover on snap ring nut's the lateral surface, be provided with on the medial surface of screw thread end and cooperate with bellows (6) and be used for fixing a plurality of cyclic annular draw-in grooves of bellows (6).
4. The self-locking water pipe joint according to claim 3, wherein: the outer side of the front end of the corrugated pipe (6) is sleeved with a sealing ring (4) for preventing water from leaking from the port of the front end of the corrugated pipe (6), and a limiting boss for limiting the forward movement of the sealing ring (4) is arranged in the joint body (1).
5. The self-locking water pipe joint according to claim 4, wherein: the contact surface of spacing boss with the sealing washer is the inclined plane, the internal diameter of spacing boss increases in proper order from the antecedent back, makes when sealing washer (4) are compressed tightly forward, the inclined plane of spacing boss is right the extrusion force increase of sealing washer (4), thereby the reinforcing sealing washer (4) with connect between body (1) and sealing washer (4) with leakproofness between bellows (6).
6. The self-locking water pipe joint according to claim 5, wherein: sealing washer (4) with between the snap ring nut bellows (6) are gone up the cover and are equipped with packing ring (5), are used for preventing the snap ring nut rotates and compresses tightly cause wearing and tearing during sealing washer (4).
7. The self-locking water pipe joint of claim 6, wherein: and the contact surface of the gasket (5) and the sealing ring (4) is provided with a bulge and a groove which are matched with each other.
8. The self-locking water pipe joint according to any one of claims 1 to 7, wherein: the integral material of the self-locking water pipe joint is plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921409271.7U CN210424128U (en) | 2019-08-28 | 2019-08-28 | Self-locking water pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921409271.7U CN210424128U (en) | 2019-08-28 | 2019-08-28 | Self-locking water pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210424128U true CN210424128U (en) | 2020-04-28 |
Family
ID=70365419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921409271.7U Active CN210424128U (en) | 2019-08-28 | 2019-08-28 | Self-locking water pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210424128U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11937563B2 (en) | 2020-11-02 | 2024-03-26 | Yi Feng | Greenhouse |
-
2019
- 2019-08-28 CN CN201921409271.7U patent/CN210424128U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11937563B2 (en) | 2020-11-02 | 2024-03-26 | Yi Feng | Greenhouse |
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