CN211042630U - Differential pressure pipe air tightness detection tool - Google Patents
Differential pressure pipe air tightness detection tool Download PDFInfo
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- CN211042630U CN211042630U CN201922127217.XU CN201922127217U CN211042630U CN 211042630 U CN211042630 U CN 211042630U CN 201922127217 U CN201922127217 U CN 201922127217U CN 211042630 U CN211042630 U CN 211042630U
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Abstract
The utility model discloses a pressure differential pipe gas tightness detects frock, including seal box, base, pressure sensor, pressure differential pipe, bottom sealing plug, sliding plate, intake pipe, slip sealing ring and horizontal slip mechanism, wherein: the sealing box is fixed on the base, a mounting hole is formed in one side face of the sealing box, the differential pressure pipe is slidably mounted in the sealing box, and the bottom sealing plug seals one end, far away from the mounting hole, of the differential pressure pipe; the sliding plate is slidably mounted on the base, the horizontal sliding mechanism is mounted on the base and used for driving the sliding plate to move horizontally, the air inlet pipe is fixed on the sliding plate, the sliding sealing ring is fixed on the air inlet pipe, when the sliding plate moves to one end close to the sealing box, the air inlet pipe slides into the mounting hole and is communicated with the differential pressure pipe, and the sliding sealing ring seals a gap formed between the air inlet pipe and the mounting hole; the pressure sensor is installed in the seal box and used for detecting the gas pressure in the seal box. The utility model discloses simple structure is convenient for increase pressure differential pipe gas tightness detection's efficiency.
Description
Technical Field
The utility model relates to a pipeline gas tightness check out test set technical field especially relates to a pressure differential pipe gas tightness detects frock.
Background
The existing differential pressure pipe is generally characterized by more stainless steel pipes with the diameter of 8mm and the wall thickness of 10mm of 1.0mm, thin differential pressure pipe wall, small pipe diameter, high sealing requirement and the like. The air tightness detection of the differential pressure pipe is usually needed after the differential pressure pipe is produced and manufactured, the air tightness detection of the existing differential pressure pipe is usually carried out by sealing one end of the differential pressure pipe after the differential pressure pipe is fixed and then carrying out the air tightness detection, the process is complicated, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
For the technical problem who exists among the solution background art, the utility model provides a pressure differential pipe gas tightness detects frock.
The utility model provides a pair of differential pressure pipe gas tightness detects frock, including seal box, base, pressure sensor, differential pressure pipe, bottom sealing plug, sliding plate, intake pipe, slip sealing ring and horizontal slip mechanism, wherein:
the sealing box is fixed on the base, a mounting hole is formed in one side face of the sealing box, the differential pressure pipe is slidably mounted in the sealing box, the differential pressure pipe slides along the axis direction of the differential pressure pipe, the axis of the differential pressure pipe is overlapped with the axis of the mounting hole, and the bottom sealing plug seals one end, far away from the mounting hole, of the differential pressure pipe;
the sliding plate is slidably mounted on the base, the horizontal movement displacement of the sliding plate is parallel to the axis of the mounting hole, the horizontal sliding mechanism is mounted on the base and used for driving the sliding plate to horizontally move, the air inlet pipe is fixed on the sliding plate, the sliding sealing ring is fixed on the air inlet pipe, when the sliding plate moves to one end close to the sealing box, the air inlet pipe slides into the mounting hole and is communicated with the pressure difference pipe, and the sliding sealing ring seals a gap formed between the air inlet pipe and the mounting hole;
the pressure sensor is installed in the seal box and used for detecting the gas pressure in the seal box.
As the utility model discloses the scheme of further optimization, when the sliding plate removed to the one end that is close to the seal box, the one end that differential pressure pipe was kept away from to the bottom sealing plug was contradicted with the seal box curb plate.
As the utility model discloses the scheme of further optimization still includes the backing plate, and the lateral wall at the seal box is established to the backing plate, is equipped with the draw-in groove on the backing plate, and the draw-in groove is matchd with the one end that the differential pressure pipe was kept away from to the bottom sealing plug.
As a further optimized proposal of the utility model, the backing plate is made of elastic material.
As the utility model discloses further optimized scheme, the one end that differential pressure pipe was kept away from to the bottom sealing plug is coniform.
As a further optimized scheme of the utility model, the outer wall that the intake pipe is close to pressure differential pipe one end is equipped with the toper sealing ring.
As a further preferred aspect of the present invention, when the sliding plate is moved to the end close to the sealing box, the gap between the air inlet pipe and the differential pressure pipe is sealed by the tapered sealing ring.
As the utility model discloses the scheme of further optimization, the slip sealing ring is coniform, and the external diameter of slip sealing ring from the one end that is close to the pressure differential pipe to the one end grow gradually of keeping away from the pressure differential pipe.
As a further optimized scheme of the utility model, the intake pipe is coaxial with the pressure differential pipe.
As the utility model discloses the scheme of further optimizing, the sliding plate can be dismantled with horizontal sliding mechanism and be connected.
As the utility model discloses the scheme of further optimization is equipped with the slide rail on the bottom plate of seal box, and the slide rail matches with the outer wall of pressure differential pipe.
As a further optimized scheme of the utility model, the horizontal sliding mechanism is a screw rod slider mechanism.
As a further optimized solution of the present invention, the sealing box is made of transparent material.
As the utility model discloses the scheme of further optimization, the fixed air current that is equipped with of seal box inner wall blows the area, and the air current blows the change that the area is used for detecting the seal box internal gas flow.
As the utility model discloses further optimized scheme, the air current blows and takes for the colored ribbon.
The utility model discloses in, the pressure differential pipe gas tightness that provides detects frock drives the in-process that the sliding plate removed to the pressure differential pipe at slide mechanism, realizes the sealed of seal box, realizes the fixed intercommunication that just realizes intake pipe and pressure differential pipe simultaneously of pressure differential pipe, increases its detection gas tightness work efficiency.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a sectional view of the utility model a-a.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar designations denote like or similar elements or elements having like or similar functionality throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
1-3 shows a pressure differential pipe gas tightness detects frock, including seal box 1, base 2, pressure sensor 3, pressure differential pipe 4, bottom sealing plug 5, sliding plate 6, intake pipe 7, slip sealing ring 8, horizontal sliding mechanism 9, backing plate 11, slide rail 14, wherein:
the sealing box 1 is fixed on the base 2 through bolts or welding, a mounting hole 10 is formed in one side face of the sealing box 1, the differential pressure pipe 4 is slidably mounted in the sealing box 1, the slide rail 14 is fixed in the sealing box 1, the slide rail 14 is matched with the outer wall of the differential pressure pipe 4, the differential pressure pipe 4 slides on the slide rail 14, the differential pressure pipe 4 slides along the axis direction of the differential pressure pipe 4, the axis of the differential pressure pipe 4 is overlapped with the axis of the mounting hole 10, the differential pressure pipe 4 slides into the sealing box 1 through the mounting hole 10, and the bottom sealing plug 5 seals one end, far away from the mounting hole 10, of the differential pressure pipe 4;
the sliding plate 6 is slidably mounted on the base 2, a sliding groove is formed in the base 2, a sliding strip and a sliding groove are arranged at the bottom of the sliding plate 6 and matched with each other, the horizontal moving displacement of the sliding plate 6 is parallel to the axis of the mounting hole 10, the horizontal sliding mechanism 9 is mounted on the base 2 and used for driving the sliding plate 6 to horizontally move, the horizontal sliding mechanism 9 is a screw rod and sliding block mechanism and comprises a screw rod 90, a speed reducing motor 92 and a sliding block 91, the screw rod 90 is rotatably mounted on the base 2, the speed reducing motor 92 is mounted on the base 2 and used for driving the screw rod 90 to rotate, the sliding block 91 is mounted on the screw rod 90 in a threaded mode, the sliding plate 6 is detachably connected with the horizontal sliding mechanism 9, the sliding plate 6 is detachably connected with the sliding block 91 through a bolt 16, the sliding plate 6 is detached from;
the air inlet pipe 7 is fixed on the sliding plate 6, the air inlet pipe 7 is coaxial with the differential pressure pipe 4, the sliding sealing ring 8 is fixed on the air inlet pipe 7, the sliding sealing ring 8 is conical, the outer diameter of the sliding sealing ring 8 is gradually increased from one end close to the differential pressure pipe 4 to one end far away from the differential pressure pipe 4, when the sliding plate 6 moves to one end close to the sealing box 1, the air inlet pipe 7 slides into the mounting hole 10 and is communicated with the differential pressure pipe 4, and the sliding sealing ring 8 seals a gap formed between the air inlet pipe 7 and the mounting hole 10; the outer wall of the air inlet pipe 7 close to one end of the differential pressure pipe 4 is provided with a conical sealing ring 12, and when the sliding plate 6 moves to one end close to the sealing box 1, the conical sealing ring 12 seals a gap between the air inlet pipe 7 and the differential pressure pipe 4;
the base plate 11 is fixed on the inner side wall of the seal box 1 opposite to the mounting hole 10, when the sliding plate 6 moves to one end close to the seal box 1, one end, far away from the pressure difference pipe 4, of the bottom sealing plug 5 is abutted to the base plate 1, a clamping groove 110 is formed in the base plate 11, the clamping groove 110 is matched with one end, far away from the pressure difference pipe 4, of the bottom sealing plug 5, the base plate 11 is made of an elastic material, and one end, far away from the pressure difference pipe 4, of the bottom sealing plug 5;
the pressure sensor 3 is arranged in the seal box 1 and is used for detecting the gas pressure in the seal box 1;
the sealing box 1 is made of transparent materials, an airflow blowing belt 13 is fixedly arranged on the inner wall of the sealing box 1, the airflow blowing belt 13 is used for detecting the flowing change of gas in the sealing box 1, and the airflow blowing belt 13 is a color ribbon.
In the working process of the embodiment: the sliding plate 6 is detached through a bolt, one end of the air inlet pipe 7 is sealed through the bottom sealing plug 5, then the air inlet pipe 7 slides to the slide rail 14 through the mounting hole 10 to enable the bottom of the bottom sealing plug 5 to be in contact with the base plate 11, the sliding plate 6 is slidably mounted on the sliding groove 20 on the base 2, the sliding plate 6 is fixed on the sliding block 91 through the bolt 16, the speed reduction motor 92 is started to drive the screw rod 90 to rotate, the sliding plate 6 is further driven to move towards the direction close to the differential pressure pipe 4 through the sliding block 91, and in the process, one end, far away from the differential pressure pipe 4, of the bottom sealing plug 5 gradually moves towards; the sliding sealing rings gradually move towards the mounting hole 10 by 8 and seal the mounting hole 10; the conical sealing ring 12 gradually moves in the differential pressure pipe 4 and seals a gap between the air inlet pipe 7 and the differential pressure pipe 4, the air inlet pipe 7 is communicated with an external air compressor, the air compressor discharges high-pressure gas into the differential pressure pipe 4 through the air inlet pipe 7, if the pressure detected by the pressure sensor 3 is increased and the colored ribbon 13 floats, the differential pressure pipe 4 leaks air and is poor in sealing performance, and if the pressure detected by the pressure sensor 3 is unchanged and the colored ribbon 13 does not move, the sealing performance of the differential pressure pipe 4 is good.
In order to further increase the sealing performance of the bottom sealing plug 5 and avoid the situation that the sealing plug 5 is ejected out of the differential pressure pipe 4 by the high-pressure gas in the differential pressure pipe 4 to affect the detection of the sealing performance of the differential pressure pipe 4, it is preferable in the embodiment that when the sliding plate 6 moves to be close to one end of the sealing box 1, one end of the bottom sealing plug 5 far away from the differential pressure pipe 4 is abutted against the side plate of the sealing box 1.
In order to avoid the bottom sealing plug 5 from sliding relative to the sealing box 1, in this embodiment, it is preferable that the bottom sealing plug further includes a backing plate 11, the backing plate 11 is disposed on a side wall of the sealing box 1, a clamping groove 110 is disposed on the backing plate 11, and the clamping groove 110 is matched with an end of the bottom sealing plug 5 away from the differential pressure pipe 4.
In order to further increase the accuracy of the air-tightness detection, it is preferable in this embodiment that the pad 11 is made of an elastic material.
In this embodiment, the end of the bottom sealing plug 5 remote from the differential pressure pipe 4 is preferably conical.
In this embodiment, it is preferable that the outer wall of the air inlet pipe 7 near one end of the differential pressure pipe 4 is provided with a tapered sealing ring 12, so as to facilitate the communication between the air inlet pipe 7 and the differential pressure pipe 4, and increase the sealing performance between the differential pressure pipe 4 and the air inlet pipe 7.
In the present embodiment, it is preferable that when the sliding plate 6 moves to an end close to the seal box 1, the conical sealing ring 12 seals a gap between the air inlet pipe 7 and the differential pressure pipe 4, and the conical sealing ring 12 prevents air leakage from the gap between the differential pressure pipe 4 and the air inlet pipe 7 from affecting the accuracy of the detection result.
In this embodiment, it is preferable that the sliding seal ring 8 has a conical shape, and the outer diameter of the sliding seal ring 8 gradually increases from the end close to the differential pressure pipe 4 to the end far from the differential pressure pipe 4, so as to facilitate the sealing of the mounting hole 10 by the sliding seal ring 8.
In order to facilitate the installation and the removal of the differential pressure pipe 4, in the embodiment, it is preferable that the sliding plate 6 is detachably connected with the horizontal sliding mechanism 9, and when the differential pressure pipe 4 needs to be removed or installed, the sliding plate 6 is detached from the horizontal sliding mechanism 9, and the sliding plate 6 slides out of the base 2, so as to facilitate the installation and the removal of the differential pressure pipe 4.
In the present embodiment, it is preferable that the bottom plate of the seal box 1 is provided with a slide rail 14, and the slide rail 14 is matched with the outer wall of the differential pressure pipe 4.
In the present embodiment, it is preferable that the air inlet pipe 7 is coaxial with the differential pressure pipe 4, so that the air inlet pipe 7 is communicated with the differential pressure pipe 4 and the differential pressure pipe 4 is sealed with the air inlet pipe 7.
In the embodiment, the horizontal sliding mechanism 9 is preferably a screw rod sliding block mechanism, and the transmission is smooth.
In order to facilitate the observation of the detection process, it is preferable in this embodiment that the sealing box 1 is made of a transparent material, such as transparent plastic.
In order to further facilitate observing whether air leakage occurs in the air tightness detection process, in this embodiment, it is preferable that an air flow blowing strip 13 is fixedly disposed on an inner wall of the sealed box 1, and the air flow blowing strip 13 is used for detecting a change of air flow in the sealed box 1.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a pressure differential pipe gas tightness detects frock, its characterized in that includes seal box (1), base (2), pressure sensor (3), pressure differential pipe (4), bottom sealing plug (5), sliding plate (6), intake pipe (7), slip sealing ring (8) and horizontal sliding mechanism (9), wherein:
the sealing box (1) is fixed on the base (2), a mounting hole (10) is formed in one side face of the sealing box (1), the differential pressure pipe (4) is installed in the sealing box (1) in a sliding mode, the differential pressure pipe (4) slides along the axis direction of the differential pressure pipe (4), the axis of the differential pressure pipe (4) is overlapped with the axis of the mounting hole (10), and the bottom sealing plug (5) seals one end, far away from the mounting hole (10), of the differential pressure pipe (4);
sliding plate (6) slidable mounting is on base (2), and sliding plate (6) horizontal migration's displacement is parallel with the axis of mounting hole (10), horizontal sliding mechanism (9) are installed and are used for driving sliding plate (6) horizontal migration on base (2), intake pipe (7) are fixed on sliding plate (6), slip sealing ring (8) are fixed on intake pipe (7), when sliding plate (6) remove to the one end that is close to seal box (1), intake pipe (7) slide to mounting hole (10) in and with pressure differential pipe (4) intercommunication, and slip sealing ring (8) seal the clearance that forms between intake pipe (7) and mounting hole (10)
The pressure sensor (3) is arranged in the seal box (1) and is used for detecting the gas pressure in the seal box (1).
2. The differential pressure pipe airtightness detection tool according to claim 1, wherein when the sliding plate (6) moves to be close to one end of the seal box (1), one end of the bottom sealing plug (5) far away from the differential pressure pipe (4) abuts against a side plate of the seal box (1).
3. The differential pressure pipe airtightness detection tool according to claim 2, further comprising a base plate (11), wherein the base plate (11) is arranged on a side wall of the seal box (1), a clamping groove (110) is arranged on the base plate (11), and the clamping groove (110) is matched with one end, far away from the differential pressure pipe (4), of the bottom seal plug (5).
4. The differential pressure pipe airtightness detection tool according to claim 3, wherein the shim plate (11) is made of an elastic material.
5. The differential pressure pipe airtightness detection tool according to claim 3, wherein one end of the bottom sealing plug (5) away from the differential pressure pipe (4) is conical.
6. The differential pressure pipe airtightness detection tool according to claim 1, wherein a conical sealing ring (12) is provided on an outer wall of the air inlet pipe (7) near one end of the differential pressure pipe (4).
7. The differential pressure pipe airtightness detection tool according to claim 6, wherein the conical seal ring (12) seals a gap between the air inlet pipe (7) and the differential pressure pipe (4) when the sliding plate (6) moves to be close to one end of the seal box (1).
8. The differential pressure pipe airtightness detection tool according to claim 1, wherein the sliding seal ring (8) is conical, and the outer diameter of the sliding seal ring (8) gradually increases from the end close to the differential pressure pipe (4) to the end far away from the differential pressure pipe (4).
9. The differential pressure pipe airtightness detection tool according to claim 1, wherein the sliding plate (6) is detachably connected to the horizontal sliding mechanism (9).
10. The differential pressure pipe air tightness detection tool according to claim 1, characterized in that the seal box (1) is made of transparent material, an air flow blowing belt (13) is arranged in the seal box (1), and the air flow blowing belt (13) is used for detecting the change of air flow in the seal box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922127217.XU CN211042630U (en) | 2019-11-29 | 2019-11-29 | Differential pressure pipe air tightness detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922127217.XU CN211042630U (en) | 2019-11-29 | 2019-11-29 | Differential pressure pipe air tightness detection tool |
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| Publication Number | Publication Date |
|---|---|
| CN211042630U true CN211042630U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922127217.XU Active CN211042630U (en) | 2019-11-29 | 2019-11-29 | Differential pressure pipe air tightness detection tool |
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| CN (1) | CN211042630U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526878A (en) * | 2022-04-22 | 2022-05-24 | 江苏常力电器有限公司 | Water type air tightness detection device of air conditioner piping |
-
2019
- 2019-11-29 CN CN201922127217.XU patent/CN211042630U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526878A (en) * | 2022-04-22 | 2022-05-24 | 江苏常力电器有限公司 | Water type air tightness detection device of air conditioner piping |
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