CN201531701U

CN201531701U - Groove type double-hot-melting joint

Info

Publication number: CN201531701U
Application number: CN2009203138520U
Authority: CN
Inventors: 钱坤; 三池崇裕
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-11-02
Filing date: 2009-11-02
Publication date: 2010-07-21
Anticipated expiration: 2019-11-02

Abstract

The utility model discloses a groove type double-hot-melting joint, which belongs to a pipeline connecting accessory. Plastic pipes or metal plastic composite pipes which are in double-hot-melting connection are inconveniently connected in high, narrow and small mounting fields. The groove type double-hot-melting joint consists of an integral body made of plastics, the body is provided with a communicating hole, one end of the body is provided with an inner ring wall, an outer ring wall and a socket opening, wherein the inner ring wall and the outer ring wall are located on the outer side of the communicating hole, and the socket opening is arranged between the inner ring wall and the outer ring wall. The groove type double-hot-melting joint is characterized in that an annular groove is arranged on the periphery of the other end of the body. The groove type double-hot-melting joint is connected to the end of a plastic pipe or metal plastic composite pipe through a double-hot-melting connection form at first and then is connected with a hoop type pipe fitting through a hoop, thereby bringing convenience for operation. Compared with an operation form needing to bring a hot-melting die to a mounting field during double-hot-melting connection, the groove type double-hot-melting joint is not limited via operation fields when changing connection forms of plastic pipes or metal plastic composite pipes.

Description

The two hot melting connectors of groove type

Technical field

The utility model relates to a kind of pipeline connection fittings, the two hot melting connectors of especially a kind of groove type.

Background technique

Plastic tube that connects by two hot melts or composite metal-plastic pipe (as internal and external layer be plastics, mesosphere be metal three-decker and outer for metal, internal layer be the double-layer structure of plastics), it conveniently is better than traditional metal tube (as galvanized pipe) at anticorrosion, antirust, anti-plugging etc.But when connecting at the scene, the hot melt mould need be brought to the erecting bed to the pipe fitting of two hot melts with can realize again being connected after pipe heats, yet, in real work, be not all to be convenient to the hot melt mould is brought to the erecting bed, during as operation when the high-lift operation, in narrow and small furred ceiling, just be not easy to carry out two hot melts and connect, therefore make the plastic tube or the applying of composite metal-plastic pipe that connect by two hot melts be restricted.

The model utility content

The technical assignment of the technical problems to be solved in the utility model and proposition be overcome the plastic tube that is connected by two hot melts or composite metal-plastic pipe in the high-altitude, the defective that connects of erecting bed inconvenience such as narrow and small, provide a kind of groove type two hot melting connectors, change the Placement of plastic tube or composite metal-plastic pipe in order to the end that this joint is connected pipe.For this reason, the utility model is by the following technical solutions:

The two hot melting connectors of groove type, it is made of plastics the integral type body, has intercommunicating pore on the described body, one end of described body has internal ring wall, external annulus and the joint socket between internal ring wall and external annulus in the described intercommunicating pore outside, it is characterized in that: have annular ditch groove on the circumference of the described body the other end.

The beneficial effects of the utility model are: the two hot melting connectors of this groove type can be connected the end of plastic tube or composite metal-plastic pipe earlier by two hot melt ways of connecting, be connected with the clamp band type pipe fitting by clip, be convenient to operate.Need the hot melt mould is brought to the operating type of erecting bed when connecting with respect to two hot melts, the utility model then is not subjected to the restriction of operation field to the change of plastic tube or composite metal-plastic pipe Placement.

Description of drawings

Fig. 1 is a kind of cross-sectional view of the present utility model.

Fig. 2 is an another kind of cross-sectional view of the present utility model.

Fig. 3 is the coupled condition schematic representation of the utility model structure shown in Figure 1.

Fig. 4 is the coupled condition schematic representation of the utility model structure shown in Figure 2.

The number in the figure explanation:

11,21------

body

12,22------intercommunicating pore

13,23------

internal ring wall

14,24------external annulus

15,25------

joint socket

16,26------annular ditch groove

17,27------

metal stiffening ring

18,28------strengthen flanging

19----------interlocking flanging 110,210----metal inner lining cover

111,211----flange 112,212----accommodating part

113---------exhaust port 213---------air vent

2-----------clip 3-----------pipe fitting

4-----------seal ring 5-----------pipe

Embodiment

Below in conjunction with specification the utility model is described further.

The two hot melting connectors of groove type of the present utility model, as shown in Figure 1, 2, it is made of plastics (as injection moulding) integral type body 11/21, have intercommunicating pore 12/22 on the body 11/21 and be used for the coupled condition connecting pipeline, one end (being illustrated as right-hand member) of body 11/21 has internal ring wall 13/23, external annulus 14/24 and the joint socket 15/25 between internal ring wall 13/23 and external annulus 14/24 in intercommunicating pore 12/22 outside, has annular ditch groove 16/26 on the circumference of body 11/21 the other end (being illustrated as left end).The two hot melting connectors of the groove type of this structure shown in Fig. 3,4, connect earlier in the end of pipe 5 (plastic tube or composite metal-plastic pipe) with two hot melt ways of connecting, are connected with clamp band type pipe fitting 3 by clip 2 again, are convenient to operation.When being connected with clamp band type pipe fitting 3, clip 2 being stuck in simultaneously in the annular ditch groove 16/26 of the two hot melting connectors of the annular ditch groove of clamp band type pipe fitting 3 and groove type and can realizing being connected by clip 2; In order to guarantee sealing, to prevent to leak, put seal ring 4 in the joint, utilize the connection power of clip 2 that seal ring 4 is compressed and can realize sealing.Need the hot melt mould is brought to the operating type of erecting bed when connecting with respect to two hot melts, the Placement of the two hot melting connectors of this groove type is not subjected to the restriction of operation field.

As the further of technique scheme improved and replenish, the utility model also comprises following additional technical characteristics, so that when implementing, select for use according to demand:

Body 11/21 is provided with the metal stiffening ring 17/27 of corresponding annular ditch groove 16/26, is used to strengthen the intensity of joint, and the

plastic body

11,21 of joint is impaired when especially avoiding with clip 2 connections.Fig. 2 shows the structural type that metal stiffening ring 27 is positioned at body 21 surfaces; Fig. 1 shows metal stiffening ring 17 and is embedded at structural type in the body 11.Further, also show metal stiffening ring 17/27 among Fig. 1,2 and have the reinforcement flanging 18/28 that is positioned at annular ditch groove 16/26 place, can further strengthen the intensity of joint connection part; Fig. 1 also shows metal stiffening ring 17 and has the interlocking flanging 19 that is embedded in the body 11, guarantees the strong bonded of metal stiffening ring 17 and joint plastic body 11 and avoids when being connected metal stiffening ring 17 from 11 disengagings of joint plastic body.

The position of annular ditch groove 16/26 can be as shown in Figure 1 radially with being staggeredly located out of joint socket 15, can also be as shown in Figure 2 radially corresponding with the position of joint socket 25, structure shown in Figure 2 can utilize the supporting effect of pipe to come the join strength of reinforced joint after being connected to pipe 5 ends.

The inboard that also shows internal ring wall 13/23 among Fig. 1,2 is equipped with metal inner lining cover 110/210, is used to prevent that internal ring wall 13/23 when being connected with 5 pairs of hot melts of pipe is out of shape and influences the latus rectum of joint intercommunicating pore 12/22; One end of metal inner lining cover a 110/210 (corresponding end that is connected with the two hot melts of pipe, be illustrated as right-hand member) extend to outside the internal ring wall 13/23 and have outside flange 111/211, be used for the connecting tube period of the day from 11 p.m. to 1 a.m and between this flange 111/211 and pipe 5, form accommodating part 112/212 and take in the molten knurl of extruding when hot melt is connected, avoid melting the latus rectum that knurl influences the joint intercommunicating pore; The other end of metal inner lining cover 110/210 may extend to radially with annular ditch groove 16/26 corresponding position, can play a supporting role to annular ditch groove 16/26 like this, increase the join strength of joint.

Further, on external annulus, offer the exhaust port 113 (referring to Fig. 1) or the air vent 213 (referring to Fig. 2) that are communicated with joint socket, air when hot melt connects in the joint socket can be discharged by exhaust port 113 (referring to 3) or air vent 213 (referring to Fig. 4), avoid the formation of seal air cavity, reduce the socket joint resistance, avoid forming bubble, guarantee the welding effect at the welding position, and vent structure is hidden, is beneficial to the integrity that guarantees bell and spigot joint.And, exhaust port 113, air vent 213 be provided with can be unrestricted between Fig. 1, Fig. 2 transposition.

Claims

1. two hot melting connectors of groove type, it is made of plastics integral type body (11,21), has intercommunicating pore (12,22) on the described body (11,21), one end of described body (11,21) have internal ring wall (13,23), the external annulus (14,24) that is positioned at described intercommunicating pore (12, the 22) outside and be positioned at internal ring wall (13,23) and external annulus (14,24) between joint socket (15,25), it is characterized in that: have annular ditch groove (16,26) on the circumference of described body (11, the 21) the other end.

2. the two hot melting connectors of groove type according to claim 1 is characterized in that described body (11,21) is provided with the metal stiffening ring (17,27) of corresponding described annular ditch groove (16,26).

3. the two hot melting connectors of groove type according to claim 2 is characterized in that described metal stiffening ring (27) is positioned at the surface of described body (21).

4. the two hot melting connectors of groove type according to claim 2 is characterized in that described metal stiffening ring (17) is embedded in the described body (11).

5. according to the two hot melting connectors of each described groove type in the claim 2～4, it is characterized in that described metal stiffening ring (17,27) has and be positioned at the reinforcement flanging (18,28) that described annular ditch groove (16,26) is located.

6. according to the two hot melting connectors of each described groove type in the claim 2～4, it is characterized in that described metal stiffening ring (17) has the interlocking flanging (19) that is embedded in the described body (11).

7. the two hot melting connectors of groove type according to claim 1, it is characterized in that described annular ditch groove (16) radially with being staggeredly located out of described joint socket (12).

8. the two hot melting connectors of groove type according to claim 1 is characterized in that described annular ditch groove (26) is radially corresponding with the position of described joint socket (22).

9. the two hot melting connectors of groove type according to claim 1 is characterized in that the inboard of described internal ring wall (13,23) is equipped with metal inner lining cover (110,210).

10. the two hot melting connectors of groove type according to claim 9, an end that it is characterized in that described metal inner lining cover (110,210) extends to outside the described internal ring wall (13,23) and has outside flange (111,211).