CN217030323U - A HVAC heating pipe connection device - Google Patents

Abstract

The utility model discloses a heating pipeline connecting device for heating ventilation, and relates to the technical field of pipeline connection. The pipe comprises a pipe body and a connecting piece, wherein a telescopic groove is formed in the inner side wall of the connecting piece, a first screw rod is rotatably connected to the inner surface of the telescopic groove, a sliding seat is in threaded fit with the peripheral side face of the first screw rod, connecting rods are fixedly connected to two opposite side walls of the sliding seat, an extrusion seat is fixedly connected to one surface of one connecting rod, the position of the extrusion seat is matched with the inner side wall of the pipe body, and a rotating disc is fixedly connected to one end of the first screw rod. According to the utility model, by arranging the telescopic groove, the first screw rod, the sliding seat, the connecting rod and the extrusion seat, the quick assembly between the connecting piece and the pipe body is realized, the installation efficiency is improved, a large number of bolts are not required to be used, and the later-stage disassembly and replacement are convenient.

Description

A HVAC heating pipe connection device

technical field

The utility model belongs to the technical field of pipeline connection, in particular to a HVAC heating pipeline connection device.

Background technique

HVAC pipeline connection device is a device used to transport gas, liquid or fluid with solid particles connected by pipes, pipe joints and valves. The problem;

In the process of using the existing HVAC pipeline connection device, the installation is inconvenient and requires a large number of bolts for fixing, the installation efficiency is low, and the later disassembly and replacement speed is slow. Therefore, a HVAC heating pipeline connection device is proposed.

Utility model content

The purpose of the utility model is to provide a HVAC heating pipeline connection device, which solves the problem that the existing HVAC pipeline connection device is inconvenient to install and needs to be fixed with a large number of bolts during the use process, and the installation efficiency is low. The problem of slow removal and replacement.

In order to solve the above-mentioned technical problems, the utility model is realized through the following technical solutions:

The utility model relates to a connecting device for HVAC heating pipes, comprising a pipe body and a connecting piece. A telescopic groove is formed on the inner side wall of the connecting piece, and a first screw rod is rotatably connected to the inner surface of the telescopic groove. A sliding seat is threadedly fitted on the peripheral side of the screw, and a connecting rod is fixedly connected to the opposite two side walls of the sliding seat. A surface of the connecting rod is fixedly connected with an extrusion seat, and the position of the extrusion seat is the same as that of the inner side wall of the pipe. Suitably, one end of the first screw rod is fixedly connected with a turntable; the two pipe bodies are assembled through the connecting piece, and the pipe body is clamped by the connecting ring, and the sealing between the pipe body and the connecting piece is improved at the same time; the rotary turntable is rotated , drive the first screw rod to rotate, the first screw rod drives the sliding seat to expand and contract, the sliding seat drives the two sets of connecting rods to move, and the extrusion seat squeezes the inner wall of the pipe, realizing the rapid assembly between the connecting piece and the pipe body, and improving the The installation efficiency is improved, and there is no need to use a large number of bolts.

A connecting ring is fixedly connected to the opposite two side walls of the connecting piece, and the connecting ring is snap-fitted with the pipe body.

The inner side wall of the connecting ring is provided with a flow guide surface; the flow guide surface can effectively prevent the connecting ring from blocking the flow inside the pipe body.

The two side walls of the telescopic groove are provided with limit grooves, and the two side walls of the sliding seat are fixedly connected with limit blocks, and the limit blocks are slidingly matched with the limit grooves; the limit blocks and the limit grooves are elevated. Telescopic stability of the slide.

Several connecting seats are fixedly connected to the opposite two side walls of the pipe body.

The bottom surface of the connecting seat is provided with a chute, the inner surface of the chute is rotatably connected with a second screw rod, the peripheral side surface of the second screw rod is threadedly fitted with a slider, and the bottom surface of the slider is fixedly connected with a pressure ring; Rotate the knob to drive the second screw rod to rotate, and the second screw rod drives the slider to extend and retract. After the slider is lowered, it drives the pressure ring to press down, and the pressure ring squeezes the circumference of the pipe body, which further improves the connection between the connecting piece and the pipe body. At the same time, it is easy to operate, and the installation efficiency is improved; the tube body and the connector can be quickly disassembled by simply rotating the turntable and the knob, which is convenient for subsequent disassembly and replacement of the tube body.

One end of the second screw rod is fixedly connected with a knob.

The utility model has the following beneficial effects:

In the utility model, the pipe body is clamped by arranging the connecting piece and the connecting ring, so that the sealing between the pipe body and the connecting piece is improved; , drive the two sets of connecting rods to move, and the extrusion seat squeezes the inner wall of the pipe, which realizes the rapid assembly between the connecting piece and the pipe body, improves the installation efficiency, and does not need to use a large number of bolts; by setting the connecting ring and the guide surface , effectively prevent the connecting ring from blocking the flow inside the pipe body; by setting the connecting seat, the chute, the second screw rod, the slider and the pressure ring, the fixing effect between the connecting piece and the pipe body is further improved, and the operation is convenient, The installation efficiency is improved, and the subsequent disassembly and replacement of the pipe body is facilitated.

Of course, any product implementing the present invention does not necessarily need to simultaneously achieve all of the above-mentioned advantages.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is a schematic diagram of an isometric side three-dimensional structure of a HVAC heating pipeline connection device;

Fig. 2 is a top-view structural schematic diagram of a HVAC heating pipeline connection device;

Fig. 3 is A-A sectional structure schematic diagram in Fig. 2;

Fig. 4 is a partial enlarged view of part B in Fig. 3;

FIG. 5 is a partial enlarged view of part C in FIG. 4 .

In the drawings, the list of components represented by each number is as follows: 1. Pipe body; 2. Connecting piece; 3. Telescopic slot; 4. First screw rod; 5. Slide seat; 6. Connecting rod; ;8, connecting ring; 9, guide surface; 11, turntable; 12, limit groove; 13, limit block; 14, connecting seat; 15, chute; 16, second screw rod; 17, slider; 18. Pressure ring; 19. Knob.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "up", "middle", "outside", "inside", etc. indicate orientation or positional relationships, and are only for the convenience of describing the present invention and simplifying the description, rather than It is indicated or implied that the components or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

Please refer to Fig. 1-Fig. 5, the utility model is a HVAC heating pipeline connection device, comprising a pipe body 1 and a connecting piece 2, the inner side wall of the connecting piece 2 is provided with a telescopic groove 3, and the inner surface of the telescopic groove 3 rotates A first screw rod 4 is connected, and a sliding seat 5 is threaded on the side surface of the first screw rod 4. A connecting rod 6 is fixedly connected to the opposite two side walls of the sliding seat 5, and a surface of the connecting rod 6 is fixedly connected with an extrusion seat 7. The position of the extrusion seat 7 is adapted to the inner side wall of the tube body 1, and one end of the first screw rod 4 is fixedly connected with a turntable 11; At the same time, the tightness between the pipe body 1 and the connecting piece 2 is improved; the rotating turntable 11 drives the first screw rod 4 to rotate, the first screw rod 4 drives the sliding seat 5 to expand and contract, and the sliding seat 5 drives the two groups of connecting rods 6 to move, The extrusion seat 7 squeezes the inner wall of the pipe body 1, so as to realize the quick assembly between the connecting piece 2 and the pipe body 1, improve the installation efficiency, and do not need to use a large number of bolts.

A connecting ring 8 is fixedly connected to the opposite two side walls of the connecting piece 2 , and the connecting ring 8 is snap-fitted with the pipe body 1 .

The inner side wall of the connecting ring 8 is provided with a guide surface 9 ; the guide surface 9 effectively prevents the connecting ring 8 from blocking the flow inside the pipe body 1 .

The two opposite side walls of the telescopic slot 3 are provided with limit slots 12 , and the opposite two side walls of the sliding seat 5 are fixedly connected with a limit block 13 , and the limit block 13 is slidingly matched with the limit slot 12 ; the limit block 13 and the limit slot 12 The telescopic stability of the sliding seat 5 is improved.

A plurality of connecting seats 14 are fixedly connected to opposite two side walls of the pipe body 1 .

The bottom surface of the connecting seat 14 is provided with a chute 15, the inner surface of the chute 15 is rotatably connected with a second screw rod 16, the peripheral side surface of the second screw rod 16 is threadedly fitted with a slider 17, and the bottom surface of the slider 17 is fixedly connected with a pressure ring 18; Rotating the knob 19 drives the second screw rod 16 to rotate, and the second screw rod 16 drives the slider 17 to expand and contract. After the slider 17 is lowered, it drives the pressure ring 18 to press down, and the pressure ring 18 squeezes the 1 circumference of the tube body. The fixing effect between the connecting piece 2 and the pipe body 1 is further improved, and the operation is convenient and the installation efficiency is improved; the pipe body 1 and the connecting piece 2 can be quickly disassembled by simply rotating the turntable 11 and the knob 19, which is convenient for subsequent Disassemble and replace the tube body 1.

A knob 19 is fixedly connected to one end of the second screw rod 16 .

As shown in FIG. 1-FIG. 5, the present embodiment is a method of using the HVAC heating pipeline connection device: assemble two pipe bodies 1 through the connecting piece 2, clamp the pipe body 1 through the connecting ring 8, and lift the pipe body 1 at the same time. The tightness between the pipe body 1 and the connecting piece 2 is improved; the rotating turntable 11 drives the first screw rod 4 to rotate, the first screw rod 4 drives the sliding seat 5 to expand and contract, and the sliding seat 5 drives the two groups of connecting rods 6 to move, squeeze The seat 7 squeezes the inner wall of the tube body 1 to realize the rapid assembly between the connector 2 and the tube body 1. By rotating the knob 19, the second screw rod 16 is driven to rotate, and the second screw rod 16 drives the slider 17 to expand and contract, and the sliding After the block 17 is lowered, the pressure ring 18 is driven to press down, and the pressure ring 18 squeezes the peripheral side of the tube body 1, which further improves the fixing effect between the connector 2 and the tube body 1; only the turntable 11 and the knob need to be rotated subsequently. 19, the pipe body 1 and the connector 2 can be quickly disassembled.

In the description of this specification, description with reference to the terms "one embodiment", "example", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention. in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. A HVAC heating pipeline connection device, comprising a pipe body (1) and a connecting piece (2), characterized in that: an expansion groove (3) is provided on the inner side wall of the connecting piece (2), and the expansion and contraction groove (3) A first screw rod (4) is rotatably connected to the inner surface, and a sliding seat (5) is threadedly fitted on the peripheral side of the first screw rod (4), and the sliding seat (5) is fixedly connected to the opposite side walls. There is a connecting rod (6), a surface of the connecting rod (6) is fixedly connected with a pressing seat (7), the position of the pressing seat (7) is adapted to the inner side wall of the pipe body (1), the first A turntable (11) is fixedly connected to one end of the thread rod (4). 2 . The HVAC heating pipeline connection device according to claim 1 , wherein the connecting member ( 2 ) is fixedly connected with a connecting ring ( 8 ) on both opposite side walls, and the connecting ring ( 8 ) is fixedly connected with the connecting ring ( 8 ). ) is snap-fitted with the tube body (1). 3 . The HVAC heating pipeline connection device according to claim 2 , wherein the inner side wall of the connection ring ( 8 ) is provided with a flow guide surface ( 9 ). 4 . 4 . The HVAC heating pipeline connection device according to claim 1 , wherein the two opposite side walls of the expansion groove ( 3 ) are provided with limiting grooves ( 12 ), and the sliding seat ( 5 ) Limiting blocks (13) are fixedly connected to the opposite side walls, and the limiting blocks (13) are slidably matched with the limiting grooves (12). 5 . The HVAC heating pipeline connection device according to claim 1 , wherein a plurality of connection seats ( 14 ) are fixedly connected to opposite two side walls of the pipe body ( 1 ). 6 . 6. The HVAC heating pipeline connection device according to claim 5, wherein a chute (15) is provided on the bottom surface of the connecting seat (14), and the inner surface of the chute (15) is rotatably connected There is a second screw rod (16), a slider (17) is threadedly fitted on the peripheral side surface of the second screw rod (16), and a pressure ring (18) is fixedly connected to the bottom surface of the slider (17). 7 . The HVAC heating pipeline connection device according to claim 6 , wherein a knob ( 19 ) is fixedly connected to one end of the second screw rod ( 16 ). 8 .

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