CN217466108U - Airtight detection frock of vehicle air conditioner - Google Patents
Airtight detection frock of vehicle air conditioner Download PDFInfo
- Publication number
- CN217466108U CN217466108U CN202221179062.XU CN202221179062U CN217466108U CN 217466108 U CN217466108 U CN 217466108U CN 202221179062 U CN202221179062 U CN 202221179062U CN 217466108 U CN217466108 U CN 217466108U
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- piston rod
- piston
- elastic sealing
- sealing ring
- air conditioner
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Abstract
The utility model belongs to the technical field of air tightness detection, and relates to an air tightness detection tool for an automobile air conditioner, which comprises a piston rod axially provided with an air tightness detection channel, wherein the piston rod is sequentially sleeved with a shell, an elastic sealing ring, a gasket and a nut; the nut is in threaded connection with the piston rod; the improved piston structure is characterized in that a stepped hole is formed in the shell, a boss is arranged at one end of the piston rod, a closed piston cavity is formed between the boss and the inner wall of the stepped hole, an inflation hole is formed in the boss and communicated with the piston cavity, and the piston cavity is inflated through the inflation hole, so that the piston rod is pushed to compress the elastic sealing ring, and the elastic sealing ring is circumferentially expanded and is hermetically connected with a product to be detected. The utility model utilizes the piston driving principle to introduce compressed gas into the piston cavity to push the piston rod to move and extrude the elastic sealing ring to expand to realize sealing connection with the product; then carry out the gas tightness through airtight detection channel and detect, frock simple structure, easy dismounting.
Description
Technical Field
The utility model belongs to the technical field of airtight detection, a vehicle air conditioner airtight detection frock is related to.
Background
The automobile air conditioning system is one of the important systems on the automobile and is an indispensable configuration on the modern automobile. Before and after the vehicle-mounted air conditioning system is installed, the air tightness of the vehicle-mounted air conditioning system needs to be detected (mainly the vehicle-mounted air conditioner is detected), the internal independence of the vehicle-mounted air conditioning system is ensured, and the vehicle-mounted air conditioning system is ensured to normally run in a vehicle-mounted environment. Before the installation, need detect its gas tightness, and when airtight detection frock and product butt joint, need have good connection leakproofness, traditional airtight work adopts the sealing washer to seal, but too big difficult installation of sealing washer, and the undersize produces the leakage easily, and frequent dismouting in addition, the sealing washer is easy wearing and tearing, and the gas tightness also can descend.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to solve the connection leakproofness problem of airtight detection frock, provide an airtight detection frock of vehicle air conditioner.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an air tightness detection tool for an automobile air conditioner comprises a piston rod, wherein an air tightness detection channel is axially arranged on the piston rod, and a shell, an elastic sealing ring, a gasket and a nut are sequentially sleeved on the piston rod; the nut is in threaded connection with the piston rod; the improved piston structure is characterized in that a stepped hole is formed in the shell, a boss is arranged at one end of the piston rod, a closed piston cavity is formed between the boss and the inner wall of the stepped hole, an inflation hole is formed in the boss and communicated with the piston cavity, and the piston cavity is inflated through the inflation hole, so that the piston rod is pushed to compress the elastic sealing ring, and the elastic sealing ring is circumferentially expanded and is hermetically connected with a product to be detected.
Furthermore, a support column is arranged between the elastic sealing ring and the shell and is connected with the piston rod in a sliding mode.
Furthermore, the elastic sealing rings are arranged on the piston rod side by side.
Further, a clamping groove is formed in the stepped hole, a retaining ring is arranged in the clamping groove, the piston rod is in contact with the retaining ring to achieve axial limiting, and the piston rod is prevented from being separated.
Furthermore, sealing rings are arranged between the piston rod and the shell and between the piston rod and the supporting columns and are in sealing fit with the piston rod through the sealing rings.
The beneficial effects of the utility model reside in that:
1. the utility model utilizes the piston driving principle to introduce compressed gas into the piston cavity to push the piston rod to move and extrude the elastic sealing ring to expand to realize sealing connection with the product; then carry out the gas tightness through airtight detection channel and detect, frock simple structure, easy dismounting.
2. The utility model discloses the accessible changes the different apertures of size adaptation of elastic sealing ring to elastic sealing ring is as wearing parts, and it is convenient to change, only needs to dismantle the nut and can realize, has improved frock maintenance efficiency.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of an air tightness detecting tool for an automobile air conditioner according to the present invention;
fig. 2 is the utility model discloses well vehicle air conditioner airtight detection frock uses the schematic diagram.
Reference numerals: 1-a piston rod; 2-a housing; 3-an elastic sealing ring; 4-a gasket; 5-a nut; 6-support column; 7-a retainer ring; 8-sealing ring; 9-a piston cavity; 11-a gas-tight detection channel; 12-inflation holes.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1-2, an air tightness detecting tool for an automotive air conditioner includes a piston rod 1 having an air tightness detecting channel 11 axially disposed thereon, wherein the piston rod 1 is sequentially sleeved with a housing 2, an elastic sealing ring 3, a washer 4, and a nut 5; the nut 5 is in threaded connection with the piston rod 1; be provided with the shoulder hole in the shell 2, 1 one end of piston rod is provided with the boss, is provided with inclosed piston cavity 9 between the inner wall of boss and shoulder hole, is provided with on the boss and aerifys hole 12, aerifys hole 12 and piston cavity 9 and communicates with each other, aerifys to piston cavity 9 in through aerifing hole 12 to promote 1 compression elastic sealing ring 3 of piston rod, make 3 circumference expansions of elastic sealing ring and wait to detect product sealing connection.
A support column 6 is arranged between the elastic sealing ring 3 and the shell 2, and the support column 6 is connected with the piston rod 1 in a sliding manner. And sealing rings 8 are arranged between the piston rod 1 and the shell 2 as well as between the piston rod and the supporting column 6 and are in sealing fit with each other through the sealing rings 8.
In this embodiment, there are 2 elastic sealing rings 3, which are arranged side by side on the piston rod 1. Be provided with the draw-in groove in the shoulder hole, be provided with retaining ring 7 in the draw-in groove, piston rod 1 realizes axially spacing with retaining ring 7 contact, prevents that piston rod 1 from deviating from.
The airtight detection frock of vehicle air conditioner in this embodiment is applicable to the downthehole sealing of circular. Firstly, the detection end of the tool is completely inserted into a circular hole of a product to be detected, compressed air is introduced into an inflation hole 12, the compressed air enters a closed piston cavity 9 formed between a shell 2 and a piston rod 1, the piston rod 1 is pushed to move towards the left side, the piston rod 1 transmits force to a gasket 4 through a nut 5, the gasket 4 compresses an elastic sealing ring 3, the elastic sealing ring 3 is enabled to expand and deform outwards, the function of sealing the product is achieved, and then air tightness detection is carried out through an air tightness detection channel 11 in the piston rod 1.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (5)
1. The utility model provides an airtight frock that detects of vehicle air conditioner which characterized in that: the air tightness detection device comprises a piston rod, wherein an air tightness detection channel is axially arranged on the piston rod, and a shell, an elastic sealing ring, a gasket and a nut are sequentially sleeved on the piston rod; the nut is in threaded connection with the piston rod; the improved piston structure is characterized in that a stepped hole is formed in the shell, a boss is arranged at one end of the piston rod, a closed piston cavity is formed between the boss and the inner wall of the stepped hole, an inflation hole is formed in the boss and communicated with the piston cavity, and the piston cavity is inflated through the inflation hole, so that the piston rod is pushed to compress the elastic sealing ring, and the elastic sealing ring is circumferentially expanded and is hermetically connected with a product to be detected.
2. The air tightness detecting tool for the automobile air conditioner as claimed in claim 1, wherein: a supporting column is arranged between the elastic sealing ring and the shell and is in sliding connection with the piston rod.
3. The air tightness detecting tool for the automobile air conditioner as claimed in claim 1, wherein: the elastic sealing rings are arranged on the piston rod side by side.
4. The air tightness detecting tool for the automobile air conditioner as claimed in claim 1, wherein: a clamping groove is formed in the stepped hole, a retaining ring is arranged in the clamping groove, the piston rod is in contact with the retaining ring to achieve axial limiting, and the piston rod is prevented from being separated.
5. The air tightness detecting tool for the automobile air conditioner as claimed in claim 2, wherein: and sealing rings are arranged between the piston rod and the shell and between the piston rod and the supporting columns and are in sealing fit with the piston rod through the sealing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221179062.XU CN217466108U (en) | 2022-05-16 | 2022-05-16 | Airtight detection frock of vehicle air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221179062.XU CN217466108U (en) | 2022-05-16 | 2022-05-16 | Airtight detection frock of vehicle air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217466108U true CN217466108U (en) | 2022-09-20 |
Family
ID=83274830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221179062.XU Active CN217466108U (en) | 2022-05-16 | 2022-05-16 | Airtight detection frock of vehicle air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217466108U (en) |
-
2022
- 2022-05-16 CN CN202221179062.XU patent/CN217466108U/en active Active
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