CN211118129U - A suppress and connect for gas pipe - Google Patents

Abstract

The utility model discloses a pressing joint for a gas pipe, which belongs to the technical field of pressing joints; the technical points include a joint main body, the edges of both ends of the joint main body are provided with a slot, and an insertion rod is inserted into the slot, and the insertion rod is inserted into the slot. The end of the rod away from the slot is fixedly connected with a convex plate, the convex plate is located in the groove, the groove is opened on the outside of the opening of the slot, and the end of the insertion rod away from the slot is fixedly connected with an extension plate, and the end of the extension plate away from the insertion rod The inner side is fixedly connected with a clamping block, the outer side of the extension plate is provided with a stopper, and one end of the stopper is fixedly connected with a collar. The utility model makes the extension plate easy to disassemble and replace by setting the insertion rod as a detachable structure. A stopper and a collar are arranged on the outer side of the joint main body. The arrangement of the protruding block enables the blocking block to be pressed against the extension plate, so that the clamping block on the extension plate is firmly clamped into the clamping groove, thereby improving the connection strength of the sleeve.

Description

A compression joint for gas pipes

technical field

The utility model relates to the field of pressing joints, in particular to a pressing joint for gas pipes.

Background technique

Pressure leak detection is an important inspection link in the production of pipes. In the prior art, the connection between the pressure source and the pipe is usually connected by a hose, and then the hose is fastened with a clamp. This connection method has poor sealing effect and low efficiency; There is a method of welding an internal threaded joint on the straight pipe. After the pressing is completed, the joint is cut off, and it needs to be polished smoothly, which is prone to cracking and other problems, and the existing pipe pressing joint has a complex structure and is not easy to disassemble. ; And the tightness is not strong.

Utility model content

The purpose of the present invention is to provide a pressing joint for a gas pipe which can improve the strength in view of the above-mentioned shortcomings of the prior art.

The technical solution of the present utility model is achieved as follows: a pressing joint for a gas pipe includes a joint body, the edges of both ends of the joint main body are provided with slots, and an insertion rod is inserted into the slots, The outer side of one end of the insertion rod away from the slot is fixedly connected with a convex plate, the convex plate is located in the groove, the groove is opened outside the opening of the slot, and the end of the insertion rod away from the slot is fixedly connected with an extension. The inner side of one end of the extension plate away from the insertion rod is fixedly connected with a clamping block, the outer side of the extension plate is provided with a stopper, and one end of the stopper is fixedly connected with a collar, and the collar is sleeved on the joint body The outer side of the stopper is fixedly connected with an annular bump on the inside of the other end of the stopper, and the annular bump is attached to the outer side wall of the extension plate. Both ends of the joint body are provided with sleeves, and the sleeves are The outer side of one end of the joint is provided with a card slot, the card slot is arranged in an annular structure, and the card slot is adapted to the card block, and elastic sealing rings are bonded and connected to the side walls of both ends of the joint body, and the elastic seal The ring is connected with the sleeve in a snug fit.

As a further solution of the present invention, a plurality of the slots are provided, and the plurality of slots are distributed in a circular array.

As a further solution of the present invention, the thickness of the block is greater than the length of the convex plate, and one end of the block is attached and connected to the outer side of the convex plate.

As a further solution of the present invention, one end of the sleeve is fixedly connected with a pipe head, the pipe head is inserted into the inside of the joint body, and an elastic sealing layer is bonded and connected to the outside of the pipe head, and the elastic sealing layer is connected to the joint main body. The inner wall of the fitting connection.

As a further solution of the present invention, the inner wall of the collar is provided with a plurality of threaded notches, which are distributed in an annular array, and the threaded notches are connected with the outer wall of the joint body by internal and external threads.

As a further solution of the present invention, an elastic damping layer is arranged between two adjacent threaded slots, the elastic damping layer is attached and connected to the outer side wall of the joint main body, and the elastic damping layer is provided with a plurality of Fixed cones with equally spaced arcs.

Compared with the prior art, the beneficial effects of the present utility model are:

1. By setting the insert rod as a detachable structure, the extension plate is easy to disassemble and replace. A stopper and a collar are arranged on the outer side of the joint body, and the fixing cone on the collar can improve the fixing strength of the collar when it is pressed. The annular projection on the block enables the block to be pressed against the extension plate, so that the block on the extension board is firmly stuck in the groove, which improves the connection strength of the sleeve;

2. By arranging an elastic sealing layer on the outer side of the pipe head, the connection between the pipe head and the joint body can be sealed, and by providing elastic sealing rings at both ends of the joint main body, the sealing effect of the device is improved.

Description of drawings

The present utility model will be further described in detail below in conjunction with the embodiments in the accompanying drawings, but it does not constitute any limitation to the present utility model.

Figure 1 is a schematic cross-sectional view of the overall structure of the present invention.

Fig. 2 is the plug-in rod structure schematic diagram of the present utility model;

3 is a schematic cross-sectional view of the collar structure of the present invention.

In the figure: 1. Joint body; 2. Slot; 3. Insert rod; 4. Raised plate; 5. Groove; 6. Extension plate; 7. Block; 8. Block; 9. Ring; 10. 11, sleeve; 12, slot; 13, elastic sealing ring; 14, pipe head; 15, elastic sealing layer; 16, thread slot; 17, elastic damping layer; 18, fixed cone.

Detailed ways

The technical solution of the present patent will be described in further detail below in conjunction with specific embodiments.

The utility model provides a pressing joint for a gas pipe as shown in Figures 1-3. As shown in Figures 1 and 2, it includes a joint main body 1, and both ends of the joint main body 1 are provided with slots 2. , the slot 2 is provided with a plurality of, and the plurality of slots 2 are distributed in a circular array. The slot 2 is inserted with an insertion rod 3, and the outer side of one end of the insertion rod 3 away from the slot 2 is fixedly connected with a convex plate 4. The convex plate 4 Located in the groove 5, the convex plate 4 cooperates with the groove 5 to limit the insertion rod 3, the groove 5 is opened on the outside of the opening of the slot 2, and the end of the insertion rod 3 away from the slot 2 is fixedly connected with an extension plate 6, A blocking block 7 is fixedly connected to the inner side of one end of the extension plate 6 away from the insertion rod 3 , and a stopper 8 is arranged on the outer side of the extension plate 6 . The outer side of the stopper 8 is attached and connected, and the stopper 8 can limit the convex plate 4 in the groove 5, and then limit the insertion rod 3, so that the insertion rod 3 is installed stably, and one end of the stopper 8 is fixedly connected with a collar 9. The ring 9 is sleeved on the outer side of the joint main body 1, and the inner side of the other end of the stopper 8 is fixedly connected with an annular bump 10. The annular bump 10 is connected with the outer side wall of the extension plate 6. The annular bump 10 can be subjected to force. Squeeze the extension plate 6 tightly, so that the block 7 on the extension plate 6 is firmly clamped into the slot 12;

Both ends of the joint main body 1 are provided with sleeves 11 , and one end of the sleeve 11 is provided with a clamping groove 12 . The cooperation of the block 7 can limit and fix the sleeve 11, the elastic sealing rings 13 are bonded and connected to the side walls of both ends of the joint main body 1, and the elastic sealing rings 13 are connected with the sleeve 11, and the arrangement of the elastic sealing rings 13 is improved. In order to achieve the sealing effect of the device, one end of the sleeve 11 is fixedly connected with a pipe head 14, the pipe head 14 is inserted into the interior of the joint body 1, and the outer side of the pipe head 14 is bonded and connected with an elastic sealing layer 15, and the elastic sealing layer 15 and the joint The inner wall of the main body 1 is attached and connected, and the provision of the elastic sealing layer 15 can seal the connection between the pipe head 14 and the joint main body 1 .

As shown in FIG. 3 , a plurality of threaded notches 16 are formed on the inner wall of the collar 9, and the plurality of threaded notches 16 are distributed in an annular array. An elastic damping layer 17 is arranged between the two threaded slots 16, and the elastic damping layer 17 is attached and connected to the outer side wall of the joint body 1. The setting of the elastic damping layer 17 plays a certain damping protection role, and the elastic damping layer 17 is arranged inside There are a plurality of fixed cones 18 distributed in arcs at equal intervals. The setting of the fixed cones 18 enables the collar 9 to be clamped into the joint body 1 when it is pressed, thereby improving the fixing strength of the collar 9 .

The working principle of the utility model: when the device is installed, first insert the insertion rod 3 into the slot 2, and at the same time enable the convex plate 4 on the insertion rod 3 to be inserted into the groove 5, and then sleeve the collar 9 on the joint body 1. outside, screw the collar 9, the collar 9 drives the block 8 to move until the block 8 is in contact with the outer side wall of the convex plate 4, at this time, the block 8 limits the convex plate 4, and then the insertion rod 3 is limited. Then insert the pipe head 14 on the sleeve 11 into the interior of the joint body 1 until the sleeve 11 is in contact with the elastic sealing ring 13. At this time, the block 7 on the extension plate 6 is clamped into the groove on the sleeve 11. In 12, the sleeve 11 is limited and fixed. At this time, the installation of the device is completed. When the sleeve ring 9 is pressed, the fixing cone 18 in it will plunge into the interior of the joint body 1, and the sleeve ring 9 will be limited and fixed, and the increase In order to improve the fixing strength of the collar 9, when the stopper 8 is pressed, the annular projection 10 on it will squeeze the extension plate 6, and the clamping block 7 on the extension plate 6 is firmly clamped into the clamping groove 12, improving the The connection strength of the sleeve 11 is improved.

The above-mentioned embodiments are the preferred embodiments of the present invention, and are only used to facilitate the description of the present invention, and are not intended to limit the present invention in any form. Within the scope of the technical features mentioned in the utility model, the equivalent embodiments that utilize the technical contents disclosed in the present utility model to make partial changes or modifications, and do not depart from the technical feature contents of the present utility model, still belong to the technical features of the present utility model. In the range.

Claims (6)

1. The utility model provides a joint of suppressing for gas pipe which characterized in that: comprises a joint main body (1), slots (2) are respectively arranged at the edges of two ends of the joint main body (1), an inserted rod (3) is inserted in each slot (2), a convex plate (4) is fixedly connected with the outer side of one end, far away from each slot (2), of each inserted rod (3), each convex plate (4) is positioned in each groove (5), each groove (5) is arranged at the outer side of the opening of each slot (2), an extension plate (6) is fixedly connected with one end, far away from each slot (2), of each inserted rod (3), a clamping block (7) is fixedly connected with the inner side of one end, far away from each inserted rod (3), of each extension plate (6), a stop block (8) is arranged on the outer side of each extension plate (6), a lantern ring (9) is fixedly connected with one end of each stop block (8), the lantern ring (9) is sleeved on the outer side of the joint main body (1), and an annular, annular convex block (10) is connected with the lateral wall laminating of extension board (6), the both ends that connect main part (1) all are provided with sleeve pipe (11), draw-in groove (12) have been seted up in the one end outside of sleeve pipe (11), draw-in groove (12) set up to annular structure, and draw-in groove (12) and fixture block (7) looks adaptation, it has elastic seal circle (13) all to bond on the both ends lateral wall of main part (1), elastic seal circle (13) are connected with sleeve pipe (11) laminating.

2. The pressure joint for a gas pipe as claimed in claim 1, wherein the slots (2) are opened in plurality, and the slots (2) are distributed in an annular array.

3. The pressure joint for a gas pipe as claimed in claim 1, wherein the thickness of the stop (8) is greater than the length of the flange (4), and one end of the stop (8) is in abutting connection with the outside of the flange (4).

4. The pressuring joint for a gas pipe according to claim 1, wherein a pipe head (14) is fixedly connected to one end of the sleeve (11), the pipe head (14) is inserted into the joint main body (1), an elastic sealing layer (15) is adhesively connected to the outer side of the pipe head (14), and the elastic sealing layer (15) is in fit connection with the inner wall of the joint main body (1).

5. The pressure joint for a gas pipe as claimed in claim 1, wherein the inner wall of the collar (9) is provided with a plurality of thread notches (16), the thread notches (16) are distributed in an annular array, and the thread notches (16) are connected with the outer side wall of the joint body (1) through internal and external threads.

6. The pressurizing joint for a gas pipe according to claim 5, wherein an elastic damping layer (17) is arranged between two adjacent thread notches (16), the elastic damping layer (17) is attached to the outer side wall of the joint body (1), and a plurality of fixing cones (18) are arranged in the elastic damping layer (17) and distributed in an arc shape at equal intervals.

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