CN109539609B

CN109539609B - Clasp type movable connection structure and solar water heater

Info

Publication number: CN109539609B
Application number: CN201710623371.9A
Authority: CN
Inventors: 季善阁; 门广岳; 陈树材; 王德君; 田海燕; 杜志杰; 郭少波
Original assignee: Qingdao Economic And Technology Development District Haier Water Heater Co ltd
Current assignee: Qingdao Economic And Technology Development District Haier Water Heater Co ltd
Priority date: 2017-07-27
Filing date: 2017-07-27
Publication date: 2022-04-22
Anticipated expiration: 2037-07-27
Also published as: CN109539609A

Abstract

The invention belongs to the technical field related to pipe fitting connection structures, and discloses a clamp ring type movable connection structure and a solar water heater. According to the invention, the clamp ring is arranged on the joint, and the clamp groove is arranged on the inner wall of the pipe fitting, so that the joint and the pipe fitting can be connected in a rotating and sealing manner by clamping the clamp ring into the clamp groove when the joint and the pipe fitting are connected, namely, the pipe fitting can rotate relative to the joint on the premise of meeting the sealing requirement of the pipe fitting and the joint, further, the stress at the joint is reduced, and the connection stability is improved. And when a plurality of pipe fittings are connected in the installation of solar water heater, the distortion power that produces because of unbalance between pipe fitting and the joint can in time be consumed through rotating the pipe fitting, and operating personnel installs laborsavingly, and installation pipe fitting convenient and fast.

Description

Clasp type movable connection structure and solar water heater

Technical Field

The invention relates to the technical field related to pipe fitting connection structures, in particular to a snap ring type movable connection structure and a solar water heater.

Background

How to connect the plastic joint and the metal pipe fitting is a problem to be solved in the related industries of waterway transportation. Taking a flat plate solar water heater as an example, metal pipe fittings are adopted in the flat plate solar water heater, and adjacent metal pipe fittings need to be connected by adopting plastic joints with complex structures, so that the sealing performance and the pressure bearing between the metal pipe fittings and the plastic joints are high enough, but the sealing performance and the pressure bearing problem are difficult to be effectively solved by the traditional connection mode.

At present, the traditional connection modes mainly comprise the following two modes:

1. the screw thread rotation type is that the metal pipe fittings and the plastic joint are connected through screw threads, the metal pipe fittings and the plastic joint are connected in a fastening mode, and relative movement between the metal pipe fittings is difficult to occur after the metal pipe fittings are connected in the fastening mode. If a plurality of metal pipe fittings are connected (connected in pairs) at the same time, the metal pipe fittings are difficult to be conveniently and quickly connected in the threaded connection mode, and the installation of operators is laborious; even after the connection is finished, stress exists at the joint of the metal pipe fitting and the plastic joint, so that the connection stability is poor.

2. The clamping and rotating type is that a guide rail is arranged at the end part of the metal pipe fitting, the metal pipe fitting is clamped into the plastic joint to rotate, the plastic joint is extruded by the guide rail to generate fastening connection, and the metal pipe fitting is difficult to connect and operate and the quick connection between the plastic joint and the metal pipe fitting is difficult to realize.

Disclosure of Invention

The invention aims to provide a snap ring type movable connecting structure to solve the problem that an existing metal pipe fitting and a joint are not easy to connect.

Another object of the present invention is to provide a solar water heater, which adopts the snap ring type movable connection structure, so as to install a plurality of metal pipe fittings, and the connection position does not generate stress, thereby improving the connection stability between the metal pipe fittings and the joint.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a snap ring formula moves connection structure for attach fitting and pipe fitting, including installing the snap ring that connects and the draw-in groove of setting on the pipe fitting inner wall, the draw-in groove is gone into to the snap ring card, can rotate just sealed being connected with the pipe fitting with connecting.

Preferably, the clamping device further comprises a clamping block, wherein the clamping block is inserted between the joint and the clamping ring, and the clamping ring is tightly tensioned in the clamping groove.

Preferably, the clamping ring is provided with an opening, the clamping block is provided with a protrusion matched with the opening in size and shape, and the protrusion can be inserted into the opening to circumferentially expand the clamping ring in the clamping groove.

Preferably, a first annular rib is arranged at one end of the joint connecting pipe fitting in the circumferential direction, a plurality of convex ribs are arranged above the first annular rib in the circumferential direction, and the clamping ring is clamped between the first annular rib and the convex ribs.

Preferably, two limiting blocks are arranged on the upper end face of the clamping ring and arranged on two sides of any one of the convex ribs.

Preferably, a plurality of sealing rings are mounted on the joint and used for sealing the joint and the pipe fitting.

Preferably, one end of the joint connecting pipe fitting is provided with a plurality of placing grooves, and the placing grooves are circumferentially arranged on the joint and used for placing the sealing ring.

Preferably, the diameter of the outer wall of the snap ring is gradually reduced from top to bottom.

The invention also provides a solar water heater, which comprises the snap ring type movable connection structure.

Preferably, the solar water heater comprises a plurality of pipe fittings and joints connected to two ends of the pipe fittings, the pipe fittings and the joints are connected in a rotating and sealing manner through the snap ring type movable connection structure, and an S-shaped communication structure is formed among the pipe fittings through the joints.

According to the clamp ring type movable connection structure, the clamp ring is arranged on the joint, the clamp groove is arranged on the inner wall of the pipe fitting, when the joint and the pipe fitting are connected, the clamp ring can be clamped into the clamp groove to enable the joint and the pipe fitting to be connected in a rotating and sealing mode, namely, the pipe fitting can rotate relative to the joint on the premise that the sealing between the pipe fitting and the joint is met, the stress at the joint is further reduced, and the connection stability is improved.

The solar water heater adopts the snap ring type movable connection structure, can realize the installation of a plurality of metal pipe fittings, can consume the twisting force generated by unbalance between the pipe fittings and the joints in time by rotating the pipe fittings during the installation, saves labor for operators to install, and is convenient and rapid to install the pipe fittings.

Drawings

FIG. 1 is a cross-sectional view of a coupling and a pipe fitting of the snap ring type dynamic coupling structure of the present invention;

FIG. 2 is a schematic view of a snap ring structure of the snap ring type dynamic connection structure of the present invention;

FIG. 3 is a schematic structural view of a clip of the clip-type movable connection structure of the present invention;

FIG. 4 is a view of the installation structure of the snap ring and the latch of the present invention;

FIG. 5 is a schematic view of the snap ring and the latch of the present invention installed on the fitting;

FIG. 6 is a schematic view of the construction of the joint of the present invention;

FIG. 7 is a schematic structural view of the tube of the present invention;

fig. 8 is a schematic structural view of a solar water heater according to the present invention.

In the figure:

1. a joint; 2. a pipe fitting; 3. a snap ring; 4. a card slot; 5. a clamping block; 6. a seal ring; 11. a first annular rib; 12. a rib is protruded; 13. a placement groove; 31. an opening; 32. a limiting block; 51. a protrusion; 52. a hand-held portion.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

The invention provides a snap ring type movable connecting structure which is used for connecting a connector 1 and a pipe fitting 2, and as shown in figures 1-7, the snap ring type movable connecting structure comprises a snap ring 3 and a snap groove 4, wherein the snap ring 3 is arranged on the connector 1, and the snap groove 4 is formed in the inner wall of the pipe fitting 2. When the joint 1 and the pipe fitting 2 are connected, the clamping ring 3 can be clamped into the clamping groove 4, and the joint 1 and the pipe fitting 2 are connected in a rotating and sealing mode.

Specifically, referring to fig. 1 and 2, the snap ring 3 is of a circular ring structure, and the diameter of the outer wall of the snap ring is gradually reduced from top to bottom, specifically, from top to bottom, along the direction in which the snap ring 3 enters the pipe 2. Through outer wall diameter from last to reducing gradually down, when snap ring 3 got into pipe fitting 2, snap ring 3 can impress in draw-in groove 4, and closely the pressfitting between this snap ring 3 and the 2 inner walls of pipe fitting to realize connecting 1 and pipe fitting 2's sealed.

In this embodiment, referring to fig. 2 to 5, the above-mentioned snap ring type movable connection structure of this embodiment further includes a clamping block 5, specifically, the clamping block 5 is insertable between the joint 1 and the snap ring 3, and is used to tension the snap ring 3 in the clamping groove 4, that is, the snap ring 3 is radially clamped in the clamping groove 4, so as to improve the stability of connection between the snap ring 3 and the clamping groove 4.

In this embodiment, the opening 31 is formed in the snap ring 3, the protrusion 51 is formed on the corresponding fixture block 5, the shape and size of the protrusion 51 are matched with those of the opening 31, when the fixture block 5 is inserted between the connector 1 and the snap ring 3, the protrusion 51 is inserted into the opening 31 to circumferentially expand the snap ring 3, so that the snap ring 3 is circumferentially expanded in the snap groove 4, and the stability and the sealing performance of connection between the snap ring 3 and the snap groove 4 are further improved.

Further, still be equipped with handheld portion 52 on above-mentioned fixture block 5, operating personnel can install or demolish fixture block 5 through handheld portion 52, simple structure, convenient operation.

In this embodiment, can refer to fig. 6, the one end circumference that connects 1 pipe fitting 2 is equipped with first ring muscle 11, and the circumference equipartition is provided with a plurality of protruding muscle 12 above first ring muscle 11, and above-mentioned snap ring 3 card is established between first ring muscle 11 and protruding muscle 12, is spacing by first ring muscle 11 and protruding muscle 12, avoids appearing snap ring 3's axial displacement.

Further, two limiting blocks 32 are arranged on the upper end face of the snap ring 3, the two limiting blocks 32 are arranged on two sides of any one of the convex ribs 12, and the circumferential rotation of the snap ring 3 can be limited through the convex ribs 12 and the two limiting blocks 32.

In this embodiment, a plurality of standing grooves 13 have been seted up to the one end that connects pipe fitting 2 of joint 1, and above-mentioned a plurality of standing grooves 13 circumference sets up on connecting 1 and arranges the below of first ring muscle 11 in, all installs sealing washer 6 in every standing groove 13 (can refer to fig. 1), through a plurality of sealing washers 6, can further improve the sealed effect of connecting 1 and pipe fitting 2.

As shown in fig. 7, the pipe member 2 of the present embodiment has an end opening diameter larger than that of the end of the joint 1 to facilitate the entry of the joint 1 into the pipe member 2. The clamping groove 4 is arranged in a protruding mode towards the outer side of the outer wall of the pipe fitting 2, and the shape of the inner wall of the clamping groove 4 is matched with the shape of the outer wall of the clamping ring 3.

Further, the distance of the outward protrusion of the top of the clamping groove 4 can be set according to the requirement of connection strength, so that higher pressure can be borne, and the connection stability of the joint and the pipe fitting is further improved. In this embodiment, the top of the locking groove 4 protrudes outward by a distance 1/2-3/4 of the width of the upper end face of the snap ring 3.

According to the clamp ring type movable connection structure, when the pipe fitting 2 and the joint 1 are connected, the clamp ring 3 is clamped into the clamp groove 4 to enable the pipe fitting 2 and the joint 1 to be connected in a rotating and sealing mode, namely on the premise that the pipe fitting 2 and the joint 1 are sealed, the pipe fitting 2 can rotate relative to the joint 1, stress at the connection position is reduced, and connection stability is improved.

The invention further provides a solar water heater, which comprises the snap ring type movable connection structure, and specifically, as shown in fig. 8, the solar water heater comprises a plurality of pipe fittings 2 and connectors 1 connected to two ends of the pipe fittings 2, the pipe fittings 2 and the connectors 1 are connected in a rotating and sealing manner through the snap ring type movable connection structure, and the pipe fittings 2 form an S-shaped communication structure through the connectors 1, that is, the connectors 1 at only one end between two adjacent pipe fittings 2 are communicated through a pipeline, so as to form a water tank structure of the solar water heater. Through above-mentioned snap ring formula moves connection structure, can be when installation pipe fitting 2 with connect 1, through rotating pipe fitting 2, can in time consume the pipe fitting 2 and connect 1 between the distortion power because of uneven production for operating personnel installs more laborsavingly, installation pipe fitting 2 convenient and fast.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A snap ring type movable connection structure is used for connecting a connector (1) and a pipe fitting (2), and is characterized by comprising a snap ring (3) arranged on the connector (1) and a snap groove (4) arranged on the inner wall of the pipe fitting (2), wherein the snap ring (3) is snapped into the snap groove (4), so that the connector (1) and the pipe fitting (2) can be connected in a rotating and sealing manner;

the clamping device also comprises a clamping block (5), the clamping block (5) is inserted between the joint (1) and the clamping ring (3), the clamping ring (3) is tensioned in the clamping groove (4),

be equipped with opening (31) on snap ring (3), be equipped with on fixture block (5) with arch (51) that opening (31) size shape agrees with mutually, arch (51) can insert in opening (31), will snap ring (3) circumference is expanded and is in draw-in groove (4), still be equipped with handheld portion (52) on fixture block (5).

2. The snap ring type dynamic connection structure as claimed in claim 1, wherein a first annular rib (11) is circumferentially arranged at one end of the joint (1) connecting pipe fitting (2), a plurality of convex ribs (12) are circumferentially arranged above the first annular rib (11), and the snap ring (3) is snapped between the first annular rib (11) and the convex ribs (12).

3. The snap ring type movable connecting structure according to claim 2, wherein two limiting blocks (32) are arranged on the upper end face of the snap ring (3), and the two limiting blocks (32) are arranged on two sides of any one of the ribs (12).

4. A snap ring type dynamic connection according to claim 1, characterised in that a number of sealing rings (6) are mounted on the joint (1), which sealing rings (6) are used to seal the joint (1) and the pipe (2).

5. The snap ring type dynamic connection structure according to claim 4, characterized in that one end of the joint (1) connecting the pipe (2) is provided with a plurality of placing grooves (13), and the placing grooves (13) are circumferentially arranged on the joint (1) and used for placing the sealing ring (6).

6. A snap ring type dynamic connection according to claim 1, characterised in that the diameter of the outer wall of the snap ring (3) is gradually reduced from top to bottom.

7. A solar water heater comprising a snap ring type kinematic connection according to any of claims 1 to 6.

8. The solar water heater according to claim 7, wherein the solar water heater comprises a plurality of pipe members (2) and joints (1) connected to both ends of the pipe members (2), the pipe members (2) and the joints (1) are rotatably and hermetically connected through the snap ring type movable connection structure, and an S-shaped communication structure is formed between the plurality of pipe members (2) through the joints (1).