CN207814622U

CN207814622U - The valve controling rod of air-conditioning system refrigerant No leakage charging point

Info

Publication number: CN207814622U
Application number: CN201820055655.2U
Authority: CN
Inventors: 应建平; 应俊超; 张宁
Original assignee: TAIZHOU HUAFENG AIR CONDITIONER VALVE CO Ltd
Current assignee: TAIZHOU HUAFENG AIR CONDITIONER VALVE CO Ltd
Priority date: 2018-01-12
Filing date: 2018-01-12
Publication date: 2018-09-04
Anticipated expiration: 2028-01-12

Abstract

The utility model belongs to charging point technical field more particularly to a kind of valve controling rod of air-conditioning system refrigerant No leakage charging point.The utility model, including the control-rod main body being fixedly connected and adjusting rod, the control-rod main body includes that the adjustment portion for adjusting cold medium flux, the surface that makes control-rod main body move in the straight direction have threaded spiro union portion and make the mounting portion of control-rod main body Fast Installation, further include the first sealing ring annular in shape and the second cylindrical sealing ring, first sealing ring is fastened between control-rod main body and valve inner tubal wall, and second sealing ring is set in control-rod main body.The utility model is by the way of multi-level segmented seal, with higher sealing effect, the problem of preventing filling process secondary refrigerant leakage well occurs, and the utility model utilizes the portion of fine-tuning with several classification adjustment portions to improve the fine degree of adjusting, realizes the fining of coolant charging.

Description

The valve controling rod of air-conditioning system refrigerant No leakage charging point

Technical field

The utility model belongs to charging point technical field more particularly to a kind of valve of air-conditioning system refrigerant No leakage charging point Door control-rod.

Background technology

Air-conditioning has the function of adjusting indoor temperature, and people can be made to be at suitable temperature, especially in the hot summer Season, air-conditioning are essential in people's lives, and refrigerant is one of the central factor that air-conditioning can freeze, since refrigerant is Liquid, therefore the sealing effect of charging point is particularly significant in filling process.

For example, Chinese utility model patent discloses a kind of butter annotating device [application number：201320001407.7], the reality Include cylinder with new patent, cylinder is equipped with gland, and gland is equipped with handle, and cylinder body bottom center is equipped with flowline, fuel-displaced Pipe connection introduces hose.

The utility model provides a kind of charging point, the purpose of filling liquid may be implemented, but it still has above-mentioned ask Topic.

Utility model content

The purpose of this utility model is in view of the above-mentioned problems, providing a kind of valve of air-conditioning system refrigerant No leakage charging point Control-rod.

In order to achieve the above objectives, the utility model uses following technical proposal：

A kind of valve controling rod of air-conditioning system refrigerant No leakage charging point, including the control-rod main body and tune that are fixedly connected Pole, the control-rod main body include the adjustment portion for adjusting cold medium flux, the table for making control-rod main body move in the straight direction The threaded spiro union portion of mask and the mounting portion for making control-rod main body Fast Installation further include the first sealing ring annular in shape and are in The second cylindric sealing ring, first sealing ring are fastened between control-rod main body and valve inner tubal wall, and described second is close Seal is set in control-rod main body.

In the valve controling rod of above-mentioned air-conditioning system refrigerant No leakage charging point, between the adjustment portion and spiro union portion Equipped with sealing round platform, the smaller one end of sealing round platform cross-sectional area is connect with adjustment portion, and the other end is connect with spiro union portion, the spiral shell It is equipped with sealing between socket part and mounting portion and is oriented to round platform, sealing is oriented to the smaller one end of round platform cross-sectional area and is connect with spiro union portion, The other end is connect with mounting portion.

In the valve controling rod of above-mentioned air-conditioning system refrigerant No leakage charging point, first sealing ring is fastened on close It seals between round platform and valve inner tubal wall, second sealing ring is set in sealing and is oriented on round platform.

In the valve controling rod of above-mentioned air-conditioning system refrigerant No leakage charging point, the spiro union portion thread surface is rolling Pitch thread.

Further include being set in mounting portion surface in the valve controling rod of above-mentioned air-conditioning system refrigerant No leakage charging point Buffer spring, described buffer spring one end is fixedly connected with mounting portion surface, and the other end is pressed on prominent valve inner tubal wall On locating ring.

In the valve controling rod of above-mentioned air-conditioning system refrigerant No leakage charging point, the adjustment portion includes being integrally formed Main regulation portion and fine-tune portion, the main regulation portion relatively fine-tunes portion closer to spiro union portion.

In the valve controling rod of above-mentioned air-conditioning system refrigerant No leakage charging point, the diameter for fine-tuning portion is long Degree is less than the diameter length in main regulation portion, and the diameter length difference of the two is less than 1/5th of main regulation portion diameter length.

In the valve controling rod of above-mentioned air-conditioning system refrigerant No leakage charging point, the portion of fine-tuning includes several The different classification adjustment portion of a cross-sectional area, be classified adjustment portion between be integrally formed, the classification adjustment portion by close to lead One end of adjustment portion is tapered into other end cross-sectional area.

In the valve controling rod of above-mentioned air-conditioning system refrigerant No leakage charging point, closest to the classification tune in main regulation portion The diameter length in section portion is less than 1/5th of main regulation portion diameter length with the diameter length difference in main regulation portion.

Compared with prior art, the utility model has the advantage of：

1, the utility model is had higher sealing effect, is prevented well by the way of multi-level segmented seal The problem of filling process secondary refrigerant leakage, occurs.

2, the utility model utilizes the fine degree that there is the portion of fine-tuning of several classification adjustment portions to improve adjusting, Realize the fining of coolant charging.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the schematic diagram that the utility model is applied in valve；

In figure：Control-rod main body 1, adjusting rod 2, adjustment portion 3, spiro union portion 4, mounting portion 5, the sealing of the first sealing ring 6, second Circle 7 seals round platform 8, sealing guiding round platform 9, buffer spring 10, rolling pitch thread 11, locating ring 12, main regulation portion 31, fine tune Section portion 32, classification adjustment portion 33.

Specific implementation mode

The utility model is described in more detail with reference to the accompanying drawings and detailed description.

As shown in Figure 1, a kind of valve controling rod of air-conditioning system refrigerant No leakage charging point, including the control that is fixedly connected Bar main body 1 and adjusting rod 2, the control-rod main body 1 include the adjustment portion 3 for adjusting cold medium flux, make control-rod main body 1 in straight line The surface just moved upwards has threaded spiro union portion 4 and makes the mounting portion 5 of 1 Fast Installation of control-rod main body, and it is in ring to further include First sealing ring 6 of shape and the second cylindrical sealing ring 7, first sealing ring 6 are fastened on control-rod main body 1 and valve Between inner tubal wall, second sealing ring 7 is set in control-rod main body 1.

The utility model, in use, control-rod main body 1 is installed in valve, the first sealing ring 6 and the second sealing ring 7 Gap between control-rod main body 1 and valve carries out multi-level sealing, and rotation adjusting rod 2 can drive spiro union portion 4 to make control Bar main body 1 is slided along the direction of axis line of valve, to play the role of closing or connection filling pipeline, it can be seen that, this reality With novel by the way of multi-level segmented seal, there is higher sealing effect, filling process refrigerant is prevented to let out well The problem of dew, occurs.

Control-rod main body 1 includes adjustment portion 3, spiro union portion 4 and the mounting portion 5 being fixedly connected, and spiro union portion 4 is located at adjustment portion 3 Between mounting portion 5, spiro union portion 4 is connect with the inner thread of valve, and when rotating adjusting rod 2, spiro union portion 4 can rotate therewith, from And make control-rod main body 1 whole and moved along the direction of axis line of valve, in use, control-rod main body 1 is installed in valve, The gap of first sealing ring 6 and the second sealing ring 7 between control-rod main body 1 and valve carries out multi-level sealing, and rotation is adjusted Pole 2 can drive spiro union portion 4 that control-rod main body 1 is made to be slided along the direction of axis line of valve, to play closing or connection filling The effect of pipeline, it can be seen that, the utility model has higher sealing effect, very by the way of multi-level segmented seal Good occurs the problem of preventing filling process secondary refrigerant leakage.

Preferably, 4 thread surface of the spiro union portion is rolling pitch thread 11, and rolling pitch thread 11 has higher precision and spiral shell Line intensity can extend the service life of product while ensureing to fill precision.

Specifically, sealing round platform 8 is equipped between the adjustment portion 3 and spiro union portion 4, sealing 8 cross-sectional area of round platform is smaller One end connect with adjustment portion 3, the other end is connect with spiro union portion 4, between the spiro union portion 4 and mounting portion 5 be equipped with sealing be oriented to Round platform 9, sealing are oriented to the smaller one end of 9 cross-sectional area of round platform and are connect with spiro union portion 4, and the other end is connect with mounting portion 5, and described the One sealing ring 6 is fastened between sealing round platform 8 and valve inner tubal wall, and second sealing ring 7 is set in sealing and is oriented to round platform 9 On.

It is connected by sealing round platform 8 between adjustment portion 3 and spiro union portion 4, is led by sealing between spiro union portion 4 and mounting portion 5 It being connected to round platform 9, the first sealing ring 6 is fastened on to complete the sealing of first layer between sealing round platform 6 and the inner wall of valve, and second It is light that sealing ring 7, which is set in sealing and is oriented on round platform 9 with the side for completing the sealing of the second layer, also, sealing to be oriented to round platform 9, Sliding inclination cambered surface, therefore may also function as the effect of guiding in the installation process of control-rod main body 1 so that installation process is more convenient Quickly.

Further include the buffer spring 10 for being set in 5 surface of mounting portion, the buffer spring 10 1 in conjunction with shown in Fig. 1 and Fig. 2 End is fixedly connected with 5 surface of mounting portion, and the other end is pressed on the locating ring 12 of prominent valve inner tubal wall.

Buffer spring 10 is set in 5 surface of mounting portion and one end is fixedly connected with 5 surface of mounting portion, and the inner wall of valve also has There is the installation locating ring 12 for protruding surface, during the installation process, is in contact when spiro union portion 4 has female part with valve When, buffer spring 10 is pressed on 12 surface of installation locating ring to play the role of buffering, prevents screw thread by larger Vertical Square To power and lead to the accuracy decline of screw thread.

As shown in Figure 1, the adjustment portion 3 includes integrally formed main regulation portion 31 and fine-tunes portion 32, the homophony Section portion 31 relatively fine-tunes portion 32 closer to spiro union portion 4.

Adjustment portion 3 includes integrally formed main regulation portion 31 and fine-tunes portion 32, in order to which filling pipeline can be made to seal completely Close, thus the length in main regulation portion 31 should be greater than or equal to filling pipeline diameter length, main regulation portion 31 by seal round platform 8 with Spiro union portion 4 is fixedly connected, fill be additionally provided on the tube wall of pipeline it is compatible with the size shape in the portion that fine-tunes 32 accommodate it is recessed Slot fine-tunes portion 32 and is located in pockets when adjustment portion 3 so that filling pipeline is completely enclosed, it is preferable that described fine The diameter length of adjustment portion 32 is less than the diameter length in main regulation portion 31, and the diameter length difference of the two is less than main regulation portion 31 / 5th of diameter length can play the role of slowly increasing channel aperture in this way in filling process, cold to realize Matchmaker fills the purpose of fining.

Preferably, the portion 32 that fine-tunes includes the different classification adjustment portion 33 of several cross-sectional areas, classification It is integrally formed between adjustment portion 33, the classification adjustment portion 33 is from one end close to main regulation portion 31 to other end cross-sectional area It tapers into, the diameter length of classification adjustment portion 33 and the diameter length difference in main regulation portion 31 closest to main regulation portion 31 are less than / 5th of 31 diameter length of main regulation portion, can further improve the precision adjusted to filling process in this way.

The operation principle of the utility model is：In use, control-rod main body 1 is installed in valve, the first sealing ring 6 card It is located between sealing round platform 8 and valve inner wall, the second sealing ring 7 is set in sealing and is oriented on round platform 9 to control-rod main body 1 Gap between valve carries out multi-level sealing, and rotation adjusting rod 2 drives spiro union portion 4 to make control-rod main body 1 along valve shaft Heart line direction slide, to play the role of closing or connection filling pipeline, when the portion that fine-tunes 32 just be contained in receiving it is recessed It when in slot, then fills pipeline and completely closes, the utility model has higher sealing effect by the way of multi-level segmented seal Fruit, the problem of preventing filling process secondary refrigerant leakage well, occur.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Although control-rod main body 1, adjusting rod 2, adjustment portion 3, spiro union portion 4, mounting portion 5, first is used more herein Sealing ring 6, the second sealing ring 7, sealing round platform 8, sealing are oriented to round platform 9, buffer spring 10, rolling pitch thread 11, locating ring 12, master Adjustment portion 31 fine-tunes the terms such as portion 32, classification adjustment portion 33, but it does not preclude the possibility of using other terms.It uses These terms are used for the purpose of more easily describing and explaining the essence of the utility model；It is additional to be construed as any type Limitation be all contrary to the spirit of the present invention.

Claims

1. a kind of valve controling rod of air-conditioning system refrigerant No leakage charging point, including the control-rod main body (1) that is fixedly connected and Adjusting rod (2), it is characterised in that：The control-rod main body (1) includes the adjustment portion (3) for adjusting cold medium flux, makes control-rod master The surface that body (1) moves in the straight direction has threaded spiro union portion (4) and makes the installation of control-rod main body (1) Fast Installation Portion (5) further includes the first sealing ring (6) annular in shape and cylindrical the second sealing ring (7), first sealing ring (6) It is fastened between control-rod main body (1) and valve inner tubal wall, second sealing ring (7) is set in control-rod main body (1).

2. the valve controling rod of air-conditioning system refrigerant No leakage charging point as described in claim 1, it is characterised in that：The tune Sealing round platform (8), sealing round platform (8) cross-sectional area smaller one end and adjustment portion are equipped between section portion (3) and spiro union portion (4) (3) it connects, the other end is connect with spiro union portion (4), and sealing is equipped between the spiro union portion (4) and mounting portion (5) and is oriented to round platform (9), sealing is oriented to the smaller one end of round platform (9) cross-sectional area and is connect with spiro union portion (4), and the other end is connect with mounting portion (5).

3. the valve controling rod of air-conditioning system refrigerant No leakage charging point as claimed in claim 2, it is characterised in that：Described One sealing ring (6) is fastened between sealing round platform (8) and valve inner tubal wall, and second sealing ring (7) is set in sealing and is oriented to On round platform (9).

4. the valve controling rod of air-conditioning system refrigerant No leakage charging point as described in claim 1, it is characterised in that：The spiral shell Socket part (4) thread surface is rolling pitch thread (11).

5. the valve controling rod of air-conditioning system refrigerant No leakage charging point as described in claim 1, it is characterised in that：Further include It is set in the buffer spring (10) on mounting portion (5) surface, described buffer spring (10) one end is fixed with mounting portion (5) surface to be connected It connects, the other end is pressed on the locating ring (12) of prominent valve inner tubal wall.

6. the valve controling rod of air-conditioning system refrigerant No leakage charging point as described in claim 1, it is characterised in that：The tune Section portion (3) includes integrally formed main regulation portion (31) and fine-tunes portion (32), and the main regulation portion (31) relatively fine-tunes Portion (32) is closer to spiro union portion (4).

7. the valve controling rod of air-conditioning system refrigerant No leakage charging point as claimed in claim 6, it is characterised in that：The essence The diameter length in thin tuning portion (32) is less than the diameter length of main regulation portion (31), and the diameter length difference of the two is less than main regulation / 5th of portion (31) diameter length.

8. the valve controling rod of air-conditioning system refrigerant No leakage charging point as claimed in claim 6, it is characterised in that：The essence Thin tuning portion (32) includes the different classification adjustment portion (33) of several cross-sectional areas, one between classification adjustment portion (33) Molding, the classification adjustment portion (33) are tapered into from one end close to main regulation portion (31) to other end cross-sectional area.

9. the valve controling rod of air-conditioning system refrigerant No leakage charging point as claimed in claim 8, it is characterised in that：It is closest The diameter length of the classification adjustment portion (33) in main regulation portion (31) is less than main regulation portion with the diameter length difference in main regulation portion (31) (31) 1/5th of diameter length.