CN209762716U

CN209762716U - Refrigerant jar opener

Info

Publication number: CN209762716U
Application number: CN201920596051.3U
Authority: CN
Inventors: 冯东斌
Original assignee: Taizhou Lucent Tools Co Ltd
Current assignee: Taizhou Lucent Tools Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2019-12-10
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses a refrigerant tank bottle opener, which comprises an installation main body and a switching main body, wherein the switching main body is hollow inside, the upper part of the switching main body is provided with a connecting pipe, the outside of the connecting pipe is provided with an external thread, the inside of the installation main body is hollow, the lower inner surface of the installation main body is provided with an internal thread, the switching main body is in threaded connection with the installation main body through the connecting pipe, the inner cavity of the switching main body is communicated with the inner cavity of the installation main body, the side surface of the installation main body is provided with a refrigerant guide outlet, the upper end plate of the installation main body is provided with a threaded through hole, the refrigerant tank bottle opener is provided with a thimble capable of automatically returning, a matching ejector rod can open a valve core of a self-sealing refrigerant tank, the purpose of taking and taking a refrigerant at any time can be realized by matching, the damage of the valve core is avoided, and double sealing is adopted, so that the air leakage at the thimble is effectively prevented.

Description

Refrigerant jar opener

Technical Field

The utility model relates to a refrigerant jar professional equipment technical field specifically is a refrigerant jar bottle-opener.

Background

At present, refrigerant filling of refrigeration equipment such as an air conditioner, a refrigerator and the like is generally performed by connecting a refrigerant tank with filled equipment through a pressure difference between the refrigerant tank and the filled equipment, refrigerant used by an automobile air conditioner is usually stored by the refrigerant tank, an automobile repair shop adopts a special refrigerant bottle opener to open the refrigerant tank, the refrigerant bottle openers commonly used in the market are 337 type, 338 type and 339 type, the refrigerant bottle openers have the defects that air leakage is easy to occur at ejector pins, the R134A refrigerant tank in the international market is divided into a puncture type and a valve core type, and for the valve core type self-sealing refrigerant tank, the ejector pins of the existing bottle opener push a valve core while rotating, so that the refrigerant filling has large friction force and is easy to damage the valve core.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome current defect, but a refrigerant jar bottle-opener is provided with the thimble of self return, the cooperation ejector pin can open the valve inside of self sealss refrigerant jar, the self sealss characteristic of cooperation refrigerant jar can realize taking the purpose of refrigerant at any time with the volume, the thimble can not rotate at the in-process that promotes the valve inside, the friction to the valve inside has been reduced, the damage of valve inside has been avoided, adopt double seal, effectively prevent thimble department gas leakage, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a refrigerant can bottle opener comprises an installation main body and a switching main body, wherein the switching main body is hollow inside, a connecting pipe is arranged at the upper part of the switching main body, external threads are arranged on the outside of the connecting pipe, the installation main body is hollow inside, internal threads are arranged on the inner surface of the lower part of the installation main body, the switching main body is in threaded connection with the installation main body through the connecting pipe, the inner cavity of the switching main body is communicated with the inner cavity of the installation main body, a refrigerant guide outlet is arranged on the side surface of the installation main body, a threaded through hole is formed in an upper end plate of the installation main body, a screw rod is arranged in the threaded through hole, a rotary handle is arranged at the upper end of the screw rod, which is positioned outside the installation main body, a push rod is welded at the lower end of the screw rod and is positioned in the, the other end of the conical spring is fixed on the inner wall of the switching main body, the lower surface of the switching main body is provided with an installation pipe, the inner wall of the installation pipe is provided with threads, and the lowest end of the thimble is located in the installation pipe.

As an optimized technical solution of the present invention, the shape of the adapter main body is a hexagonal prism.

As a preferred technical scheme of the utility model, the upper end of thimble is provided with the shaft shoulder, and shaft shoulder department cover is equipped with the jump ring, and the jump ring sets up in the recess on the switching main part inner wall.

As an optimal technical scheme of the utility model, the upper surface of connecting pipe is provided with first sealing ring, and the upper surface of first sealing ring keeps elastic contact with the internal surface of installation main part.

As a preferred technical scheme of the utility model, the annular groove has been seted up on the inner wall of installation pipe, is provided with the second sealing ring in the annular groove.

Compared with the prior art, the beneficial effects of the utility model are that: this refrigerant jar bottle-opener is provided with the thimble that can self return, and the cooperation ejector pin can open the valve inside of self sealss refrigerant jar, and the self sealss characteristic of cooperation refrigerant jar can realize taking the purpose of refrigerant at any time with the volume, and the thimble can not rotate promoting the in-process of valve inside, has reduced the friction to the valve inside, has avoided the damage of valve inside, adopts double seal, effectively prevents that thimble department from leaking gas.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the main structure of the switching device of the present invention.

In the figure: the device comprises a switching main body 1, a mounting main body 2, a rotating handle 3, a screw rod 4, a refrigerant outlet 5, a push rod 6, a push pin 7, a conical spring 8, a connecting pipe 9, a mounting pipe 10, a first sealing ring 11, a second sealing ring 12 and a clamp spring 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a refrigerant tank bottle opener comprises an installation main body 2 and a switching main body 1, wherein the switching main body 1 is hexagonal prism in shape, the switching main body 1 is conveniently screwed on a refrigerant tank through a wrench, the switching main body 1 is hollow inside, a connecting pipe 9 is arranged at the upper part of the switching main body 1, external threads are arranged outside the connecting pipe 9, the installation main body 2 is hollow inside, internal threads are arranged on the inner surface of the lower part of the installation main body 2, the switching main body 1 is in threaded connection with the installation main body 2 through the connecting pipe 9, a first sealing ring 11 is arranged on the upper surface of the connecting pipe 9, the upper surface of the first sealing ring 11 is in elastic contact with the inner surface of the installation main body 2, the first sealing ring 11 is used for preventing refrigerant from leaking from the threaded connection part of the connecting pipe 9 and the installation main body 2 in the flowing process, the inner cavity of the switching main body 1 is communicated with, the refrigerant is led in from a mounting pipe 10 and led out from a refrigerant leading-out port 5, a threaded through hole is formed in an upper end plate of the mounting main body 2, a screw rod 4 is mounted in the threaded through hole, a rotary handle 3 is mounted at the upper end of the screw rod 4, which is positioned outside the mounting main body 2, a push rod 6 is welded at the lower end of the screw rod 4, the push rod 6 is positioned in the mounting main body 2, a thimble 7 is arranged right below the push rod 6, when the rotary handle 3 is rotated clockwise, the screw rod 4 rotates along with the rotary handle and moves downwards, the lower end of the push rod 6 is contacted with the upper end of the thimble 7 to push the thimble 7 downwards, the bottom end of the thimble 7 presses a refrigerant tank valve core to enable the refrigerant in the refrigerant tank to be discharged, the thimble 7 cannot rotate automatically in the downward moving process, the friction on the refrigerant tank valve core is reduced, the thimble 7 is arranged in the inner cavity of the adapter main body, the other end of the conical spring 8 is fixed on the inner wall of the adapter main body 1, the conical spring 8 is used for resetting the thimble 7, when the rotating handle 3 is rotated anticlockwise, the screw rod 4 drives the ejector rod 6 to move upwards, the conical spring 8 enables the thimble 7 to move upwards to relieve the pressure of the thimble 7 on the valve inside of the refrigerant tank, the aim of taking the refrigerant at any time according to the quantity can be achieved by utilizing the self-sealing of the refrigerant tank, the lower surface of the adapter main body 1 is provided with a mounting pipe 10, the inner wall of the mounting pipe 10 is provided with threads, the mounting pipe 10 is screwed at the tank opening of the refrigerant tank through internal threads when in use, the second sealing ring 12 strengthens the sealing property of the connection part of the tank opening of the refrigerant tank and the mounting pipe 10, the inner wall of the mounting pipe 10 is provided with an annular groove, the second sealing ring 12 is arranged in the annular groove, the lowest end of the thimble 7 is positioned in the mounting, the clamp spring 13 is arranged in a groove in the inner wall of the switching main body 1, and the clamp spring 13 is used for being matched with the conical spring 8 to enable the thimble 7 to be kept stable, so that the thimble 7 is prevented from shaking.

When in use: the mounting pipe 10 is screwed at the mouth of the refrigerant tank through internal threads, the sealing performance of the joint of the mouth of the refrigerant tank and the mounting pipe 10 is enhanced by the second sealing ring 12, when the rotating handle 3 is rotated clockwise, the screw rod 4 rotates along with the rotation and then moves downwards, the lower end of the ejector rod 6 is in contact with the upper end of the ejector pin 7 to push the ejector pin 7 downwards, the bottom end of the ejector pin 7 presses the valve inside of the refrigerant tank to enable the refrigerant in the refrigerant tank to be discharged, the refrigerant is guided into the mounting pipe 10 and is guided out from the refrigerant guide outlet 5, the ejector pin 7 cannot rotate in the downward moving process, the friction on the valve inside of the refrigerant tank is reduced, when the rotating handle 3 is rotated anticlockwise, the screw rod 4 drives the ejector pin 6 to move upwards, the conical spring 8 enables the ejector pin 7 to move upwards, the pressing force of the ejector pin 7 on the valve inside of the refrigerant tank is relieved, and the purpose of.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a refrigerant jar bottle-opener, includes installation main part (2) and switching main part (1), its characterized in that: the inner part of the switching main body (1) is hollow, the upper part of the switching main body (1) is provided with a connecting pipe (9), the outer part of the connecting pipe (9) is provided with external threads, the inner part of the installation main body (2) is hollow, the inner surface of the lower part of the installation main body (2) is provided with internal threads, the switching main body (1) is in threaded connection with the installation main body (2) through the connecting pipe (9), the inner cavity of the switching main body (1) is communicated with the inner cavity of the installation main body (2), the side surface of the installation main body (2) is provided with a refrigerant outlet (5), the upper end plate of the installation main body (2) is provided with a threaded through hole, a screw rod (4) is arranged in the threaded through hole, the upper end of the screw rod (4) positioned at the outer part of the installation main body (2) is provided with a, be provided with thimble (7) under ejector pin (6), thimble (7) unsettled setting is in the inner chamber of switching main part (1), the outside cover of thimble (7) is equipped with conical spring (8), the one end of conical spring (8) is fixed on thimble (7), the other end of conical spring (8) is fixed on the inner wall of switching main part (1), the lower surface of switching main part (1) is provided with installation pipe (10), set up screw thread on the inner wall of installation pipe (10), the lower extreme of thimble (7) is located installation pipe (10).

2. The refrigerant tank bottle opener of claim 1, wherein: the shape of the adapter body (1) is hexagonal prism.

3. The refrigerant tank bottle opener of claim 1, wherein: the upper end of thimble (7) is provided with the shaft shoulder, and shaft shoulder department cover is equipped with jump ring (13), and jump ring (13) set up in the recess on switching main part (1) inner wall.

4. The refrigerant tank bottle opener of claim 1, wherein: the upper surface of the connecting pipe (9) is provided with a first sealing ring (11), and the upper surface of the first sealing ring (11) is elastically contacted with the inner surface of the mounting main body (2).

5. The refrigerant tank bottle opener of claim 1, wherein: an annular groove is formed in the inner wall of the mounting pipe (10), and a second sealing ring (12) is arranged in the annular groove.