CN217030217U

CN217030217U - Pipeline connecting fitting for air conditioner refrigeration

Info

Publication number: CN217030217U
Application number: CN202220753441.9U
Authority: CN
Inventors: 卜令雷; 卜令东
Original assignee: Shandong Jingling Refrigeration Engineering Co ltd
Current assignee: Shandong Jingling Refrigeration Engineering Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-07-22
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a pipeline connecting accessory for air conditioner refrigeration, which comprises two external thread clamping blocks, wherein annular clamping grooves are formed in the inner walls of the two external thread clamping blocks, a first snap ring is clamped in the two annular clamping grooves together, a lower connecting pipe is fixedly inserted into the first snap ring, fixing devices are fixedly arranged at the lower ends of the two external thread clamping blocks, the number of the fixing devices is two, four telescopic pull rods are fixedly connected between the two fixing devices, a refrigeration pipeline is arranged at the upper end of the upper fixing device, the refrigeration pipeline penetrates through the upper fixing device and is fixedly provided with a connecting mechanism, and the inner part of the connecting mechanism is in threaded connection with the two external thread clamping blocks. The pipeline connecting fitting for air conditioning refrigeration is convenient to mount and dismount, can protect an internal pipeline after being mounted, prevents the pipeline from being loosened and damaged due to bending and folding of the pipeline by external force, and is convenient to use.

Description

Pipeline connecting fitting for air conditioner refrigeration

Technical Field

The utility model relates to the technical field of pipeline connection, in particular to a pipeline connecting fitting for air conditioner refrigeration.

Background

The air-conditioning refrigeration is that a compressor compresses a gaseous refrigerant into a high-temperature high-pressure gaseous state, the gaseous refrigerant is sent to a condenser for cooling, the cooled gaseous refrigerant is changed into a medium-temperature high-pressure liquid refrigerant, the medium-temperature high-pressure liquid refrigerant enters a drying bottle for filtration and dehumidification, the medium-temperature liquid refrigerant is throttled by an expansion valve (throttling part) to reduce the pressure of a low-temperature low-pressure gas-liquid mixture (more liquid), the intermediate-temperature liquid refrigerant is vaporized by absorbing the heat in the air by an evaporator to be changed into a gaseous state, and then the gaseous refrigerant returns to the compressor for continuous compression and continuous circulation for refrigeration. When heating, a four-way valve makes the flow direction of Freon in the condenser and evaporator opposite to that of refrigerating, so that cold air is blown out from the room when heating, and hot air is blown out from the indoor unit. The pipelines for air conditioning refrigeration need to be connected by connecting fittings. The existing pipeline connecting fittings have at least the following disadvantages in the connecting process: 1. the existing pipeline connecting fittings are easy to bend when being stirred in the connecting process, particularly at the connecting position, in the installation process, because the refrigeration of an air conditioner is managed in a hose type and is relatively soft, in the installation process, a refrigeration pipeline is generally connected together through threads after being aligned to an installation butt joint pipe by a constructor, and the refrigeration pipeline is exposed outside for a long time, the pipeline connecting position can be folded due to external collision or artificial carelessness, so that the pipeline at the connecting position is loosened, even the pipeline is damaged, the normal use of the air conditioner is influenced, and the service life of the pipeline is shortened; 2. the existing pipeline connecting fittings are very troublesome in the process of connecting and installing, the connecting fittings need to be installed by means of multiple tools, and when the air conditioner needs to be maintained, due to the fact that tools are inconvenient to use in the installation position of a plurality of air conditioners for dismounting, the workload of installers is increased, the mounting and dismounting are troublesome, and therefore a new pipeline connecting fitting for air conditioner refrigeration is pushed out.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a pipeline connecting fitting for air conditioner refrigeration, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a pipeline connection accessory for air conditioner refrigeration, includes the external screw thread clamp splice, the external screw thread clamp splice is provided with two, two ring groove has all been opened to external screw thread clamp splice inner wall, two the inside common joint of ring groove has a snap ring, a snap ring inside interlude fixedly connected with down the connecting pipe, two external screw thread clamp splice lower extreme fixed mounting has fixing device, fixing device sets up to two, two four flexible pull rods of fixedly connected with between the fixing device, the top the fixing device upper end is provided with the refrigeration pipeline, the refrigeration pipeline passes the fixing device and the fixed mounting of top has coupling mechanism, inside and two external screw thread clamp splice threaded connection of coupling mechanism.

Preferably, fixing device includes the fixed block, open the mounting groove that has the break-over in the fixed block upper end, fixedly connected with volume guide arm between left wall and the interior right wall in the mounting groove, two liang interlude swing joint have two clamping device.

Preferably, clamping device includes the grip block, the break-over activity hole has all been opened to grip block left end front portion and left end rear portion, grip block left end middle part bearing is connected with the threaded rod, threaded rod left end fixed mounting has the rotary disk.

Preferably, the two sliding holes are respectively and movably connected with the two guide rods in an inserting manner, the outer surface of the threaded rod is in inserting threaded connection with the fixed block, the clamping blocks are located in the mounting grooves, the upper ends of the two clamping devices are respectively and fixedly connected with the two external thread clamping blocks, and four corners of the upper end of the fixed block are respectively and fixedly connected with the four telescopic pull rods.

Preferably, coupling mechanism includes the internal thread cover, internal thread cover upper end fixed mounting has spacing snap ring, the inside swing joint that alternates of spacing snap ring has last connecting tube, go up No. two snap rings of fixedly connected with that alternate in connecting tube surface lower part, No. two snap rings are inconsistent with spacing snap ring.

Preferably, the upper end of the upper connecting pipeline is fixedly connected with the refrigerating pipeline, and the inner part of the internal thread sleeve is connected with the two external thread clamping blocks in a threaded manner.

Compared with the prior art, the utility model has the following beneficial effects:

1. in the utility model, two clamping devices are arranged on a fixing device, each clamping device consists of a clamping block, a threaded rod and a rotary disk, the clamping devices are in threaded connection with a fixed block through the threaded rods, the threaded rods are connected with the clamping blocks through bearings, so that when the rotary disk is rotated, the two clamping blocks are clamped by the threaded rods on two sides, the lower connecting pipe is clamped and fixed, the installation is convenient, and complicated operation is carried out without a contact tool, two external thread clamping blocks are fixedly arranged at the upper ends of the two clamping blocks below, the lower connecting pipe is clamped by the two external thread clamping blocks in the clamping process, so that a first clamping ring arranged on the lower connecting pipe is clamped with annular clamping grooves arranged inside the two external thread clamping blocks, the lower connecting pipe is further fixed, the two fixing devices are fixedly connected through telescopic pull rods, and the inner pipeline can be protected after the installation is finished, the looseness and damage caused by bending and folding the pipeline by external force are prevented;

2. according to the refrigeration pipeline connecting device, the upper end of the upper connecting pipe is fixedly connected with the refrigeration pipeline, the outer surface of the upper connecting pipe is abutted to the limiting snap ring at the upper end of the inner thread sleeve, the inner thread sleeve can be kept connected with the upper connecting pipe when rotating, the inner thread sleeve is prevented from falling, and the inner thread sleeve is in threaded connection with the two outer thread clamping blocks, so that the pipeline is connected, the refrigeration pipeline connecting device is very convenient to install and disassemble, the workload of an installer is reduced, the refrigeration pipeline connecting device is convenient to disassemble in a narrow space, and the refrigeration pipeline connecting device is convenient to use.

Drawings

Fig. 1 is a schematic view of an overall structure of a pipe connection fitting for air conditioning refrigeration according to the present invention;

FIG. 2 is a schematic view of the overall structure of a fixing device of the pipe connection fitting for air conditioning refrigeration of the present invention;

FIG. 3 is a schematic view of the overall structure of a clamping device of the pipe connection fitting for air conditioning refrigeration of the present invention;

fig. 4 is a sectional view of a connection mechanism of a pipe connection fitting for air conditioning refrigeration of the present invention.

In the figure: 1. an external thread clamping block; 2. an annular neck; 3. a lower connecting pipe; 4. a first snap ring; 5. a fixing device; 501. a fixed block; 502. mounting grooves; 503. a guide bar; 504. a clamping device; 51. a clamping block; 52. a movable hole; 53. a threaded rod; 54. rotating the disc; 6. a telescopic pull rod; 7. a refrigeration circuit; 8. a connecting mechanism; 801. an upper connecting pipe; 802. a second snap ring; 803. a limiting snap ring; 804. and an internal thread sleeve.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Examples

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a pipeline connection accessory for air conditioner refrigeration, includes external screw thread clamp splice 1, external screw thread clamp splice 1 is provided with two, two ring groove 2 has all been opened to 1 inner wall of external screw thread clamp splice, two ring groove 2 inside common joint has snap ring 4, connecting pipe 3 under the inside fixedly connected with that alternates of snap ring 4, two 1 lower extreme fixed mounting of external screw thread clamp splice has fixing device 5, fixing device 5 sets up to two, two four flexible pull rod 6 of fixedly connected with between the fixing device 5, the top fixing device 5 upper end is provided with refrigeration pipeline 7, refrigeration pipeline 7 passes fixing device 5 and the fixed mounting of top has

coupling mechanism

8, 8 inside and two 1 threaded connection of external screw thread clamp splice of coupling mechanism.

In this embodiment, the fixing device 5 includes a fixing block 501, a through mounting groove 502 is formed at the upper end of the fixing block 501, a measuring guide rod 503 is fixedly connected between the inner left wall and the inner right wall of the mounting groove 502, and two clamping devices 504 are movably connected to the two guide rods 503 in a pairwise insertion manner; the clamping device 504 comprises a clamping block 51, through movable holes 52 are formed in the front part of the left end and the rear part of the left end of the clamping block 51, a threaded rod 53 is connected to the middle part of the left end of the clamping block 51 through a bearing, and a rotating disc 54 is fixedly mounted at the left end of the threaded rod 53; the two sliding holes 52 are respectively and movably connected with the two guide rods 503 in a penetrating manner, the outer surface of the threaded rod 53 is in threaded connection with the fixed block 501 in a penetrating manner, the clamping block 51 is positioned in the mounting groove 502, the upper ends of the two clamping devices 504 are respectively and fixedly connected with the two external thread clamping blocks 1, and four corners of the upper end of the fixed block 501 are respectively and fixedly connected with the four telescopic pull rods 6; through set up two clamping device 504 on fixing device 5, clamping device 504 comprises grip block 51 and threaded rod 53 and rotary disk 54, through threaded rod 53 and fixed block 501 threaded connection, because threaded rod 53 is connected with grip block 51 bearing for when rotatory rotary disk 54, threaded rod 53 on both sides is with two grip block 51 mutual centre gripping, thereby will connect pipe 3 down and carry out centre gripping fixed, easy to assemble.

In this embodiment, the connection mechanism 8 includes an internal thread sleeve 804, a limit snap ring 803 is fixedly mounted at the upper end of the internal thread sleeve 804, an upper connection pipe 801 is movably inserted into the limit snap ring 803, a second snap ring 802 is fixedly inserted into the lower portion of the outer surface of the upper connection pipe 801, and the second snap ring 802 is abutted to the limit snap ring 803; the upper end of the upper connecting pipeline 801 is fixedly connected with the refrigeration pipeline 7, and the inside of the internal thread sleeve 804 is in threaded connection with the two external thread fixture blocks 1; will go up connecting pipe 801 upper end and 7 fixed connection of refrigeration pipeline, it is inconsistent with spacing snap ring 803 of internal thread cover 804 upper end through last connecting pipe 801 surface, keep being connected with last connecting pipe 801 when can rotating internal thread cover 804, prevent to drop, carry out threaded connection through internal thread cover 804 and two external screw thread clamp splice 1, thereby make the pipeline connect, unusual convenience, be convenient for install and dismantle, alleviate installer's work load, and convenient narrow and small space is dismantled, and convenient to use.

It should be noted that, in the use process, firstly, two clamping devices 504 are arranged on the fixing device 5, the upper clamping device 504 is clamped with the refrigeration pipeline 7 through an internal component, the lower clamping device 504 is clamped with the lower connecting pipe 3 through an internal component, the clamping device 504 is composed of a clamping block 51, a threaded rod 53 and a rotating disk 54, the threaded rod 53 is in threaded connection with the fixed block 501, the threaded rod 53 is in bearing connection with the clamping block 51, so that when the rotating disk 54 rotates, the threaded rods 53 on two sides clamp the two clamping blocks 51 mutually to clamp and fix the lower connecting pipe 3, because the upper ends of the two clamping blocks 51 below are fixedly provided with two external thread clamping blocks 1, in the clamping process, the two external thread clamping blocks 1 below clamp and fix the lower connecting pipe 3, the refrigeration pipeline 7 is clamped and fixed by the two upper external thread clamping blocks 1, so that a first snap ring 4 arranged on the lower connecting pipeline 3 is clamped with the annular clamping grooves 2 arranged in the two external thread clamping blocks 1, further fixation is carried out, the two fixing devices 5 are fixedly connected through the telescopic pull rod 6, the upper end of the upper connecting pipe 801 is fixedly connected with the refrigeration pipeline 7, the outer surface of the upper connecting pipe 801 is abutted against the limiting snap ring 803 at the upper end of the internal thread sleeve 804, the internal thread sleeve 804 can be kept connected with the upper connecting pipe 801 when rotating, falling is prevented, the internal thread sleeve 804 is in threaded connection with the two external thread clamping blocks 1, so that the pipelines are connected, the installation and the disassembly are very convenient, the workload of an installer is reduced, the disassembly in a narrow space is convenient, the use is convenient, the internal pipeline can be protected after the installation is finished, prevent the looseness and damage caused by bending and folding the pipeline by external force.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pipe connection accessory for air conditioning refrigeration, includes external screw thread clamp splice (1), its characterized in that: external screw thread clamp splice (1) is provided with two, two ring groove (2), two have all been opened to external screw thread clamp splice (1) inner wall ring groove (2) inside common joint has snap ring (4), connecting pipe (3) under the inside fixedly connected with that alternates of snap ring (4), two external screw thread clamp splice (1) lower extreme fixed mounting has fixing device (5), fixing device (5) set up to two, two four flexible pull rod (6) of fixedly connected with between fixing device (5), top fixing device (5) upper end is provided with refrigeration pipeline (7), refrigeration pipeline (7) pass fixing device (5) and the fixed mounting of top have coupling mechanism (8), coupling mechanism (8) inside and two external screw thread clamp splice (1) threaded connection.

2. The pipe connection fitting for air conditioning refrigeration as claimed in claim 1, wherein: fixing device (5) are including fixed block (501), open fixed block (501) upper end has mounting groove (502) of break-over, two guide arms (503) of fixedly connected with between left wall and the interior right wall in mounting groove (502), two liang interlude swing joint of guide arm (503) have two clamping device (504).

3. The pipe connection fitting for air conditioning refrigeration as claimed in claim 2, wherein: clamping device (504) include grip block (51), the movable hole (52) that has the break-over are all opened to grip block (51) left end front portion and left end rear portion, grip block (51) left end middle part bearing is connected with threaded rod (53), threaded rod (53) left end fixed mounting has rotary disk (54).

4. The pipe connection fitting for air conditioning refrigeration as claimed in claim 3, wherein: two activity hole (52) alternate swing joint with two guide arms (503) respectively, threaded rod (53) surface and fixed block (501) alternate threaded connection, grip block (51) are located mounting groove (502), two clamping device (504) upper end respectively with two external screw thread clamp splice (1) fixed connection, fixed block (501) upper end four corners respectively with four flexible pull rod (6) fixed connection.

5. The pipe connection fitting for air conditioning refrigeration as claimed in claim 1, wherein: coupling mechanism (8) include internal thread cover (804), internal thread cover (804) upper end fixed mounting has spacing snap ring (803), connecting tube (801) on the inside swing joint that alternates of spacing snap ring (803), it alternates No. two snap rings (802) of fixedly connected with to go up connecting tube (801) surface lower part, No. two snap rings (802) are inconsistent with spacing snap ring (803).

6. The pipe connection fitting for air conditioning refrigeration as claimed in claim 5, wherein: the upper end of the upper connecting pipeline (801) is fixedly connected with the refrigerating pipeline (7), and the inner part of the inner thread sleeve (804) is in threaded connection with the two outer thread clamping blocks (1).