CN220568355U - Leakage detection device for sealing workpiece - Google Patents
Leakage detection device for sealing workpiece Download PDFInfo
- Publication number
- CN220568355U CN220568355U CN202322129065.3U CN202322129065U CN220568355U CN 220568355 U CN220568355 U CN 220568355U CN 202322129065 U CN202322129065 U CN 202322129065U CN 220568355 U CN220568355 U CN 220568355U
- Authority
- CN
- China
- Prior art keywords
- air duct
- piece
- detected
- sealing
- locking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 58
- 238000001514 detection method Methods 0.000 title claims abstract description 48
- 125000003003 spiro group Chemical group 0.000 description 4
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to the technical field of seal detection, and mainly relates to a seal workpiece leakage detection device which comprises an air duct, a seal structure and a detection piece, wherein one end of the air duct is connected with an air pump, and the other end of the air duct is inserted into the detection piece; the sealing structure is arranged at the end of the air duct, which is far away from the air pump, and comprises a sealing piece and a locking structure, wherein the sealing piece is abutted to the part to be detected, the locking structure is connected with the part of the air duct, which is penetrated through the part to be detected, and the locking structure is abutted to the inner wall of the part to be detected; the detection piece is arranged on the inner wall of the air duct. The utility model aims to adapt to sealing workpieces to be detected with different calibers.
Description
Technical Field
The utility model relates to the technical field of seal detection, in particular to a seal workpiece leakage detection device.
Background
The tightness of the sealing workpiece is a key index for determining the quality of the product of the sealing workpiece, so that the quality detection of the sealing element is a necessary step before the sealing element leaves the factory. In the related art, the air pump is generally used for pressurizing the inside of the sealed workpiece to detect the sealing performance of the sealed workpiece, and different specifications of sealing structures are required to be arranged for sealing the port of the sealed workpiece connected with the air pump aiming at the sealed workpiece with different calibers, so that the detection efficiency is low and the detection cost is increased.
Disclosure of Invention
The utility model mainly aims to provide a sealing workpiece leakage detection device which is used for adapting to sealing workpieces to be detected with different calibers.
In order to achieve the above purpose, the utility model provides a leakage detection device for a sealed workpiece, comprising an air duct, a sealing structure and a detection part:
one end of the air duct is connected with an air pump, and the other end of the air duct is inserted into a piece to be detected;
the sealing structure is arranged at the end of the air duct, which is far away from the air pump, and comprises a sealing piece and a locking structure, wherein the sealing piece is abutted to the part to be detected, the locking structure is connected with the part of the air duct, which is penetrated through the part to be detected, and the locking structure is abutted to the inner wall of the part to be detected; and
the detection piece is arranged on the inner wall of the air duct.
In one embodiment of the present application, the sealing sheet includes a pressing sheet and a gasket:
the compressing sheet is circumferentially connected to the outer wall of the air duct;
the sealing gasket is connected with the end face of the pressing piece, facing the to-be-detected piece, and is abutted to the to-be-detected piece.
In an embodiment of the present application, the locking structure includes a driving structure, a locking lever, and a supporting lever:
the driving structure is arranged on the outer wall of the air duct;
one end of the locking rod is rotatably connected with the driving structure, and the other end of the locking rod is abutted against the inner wall of the piece to be detected;
one end of the supporting rod is rotatably connected to the outer wall of the air duct, and the other end of the supporting rod is rotatably connected to the locking rod.
In an embodiment of the present application, the driving structure includes a mounting seat, a screw rod, a slider and a motor:
the screw rod is rotationally connected to the mounting seat;
the sliding block is in threaded connection with the screw rod, and one end of the locking rod is rotationally connected with the sliding block; and
the motor is in driving connection with the screw rod.
In an embodiment of the present application, at least two locking structures are provided, and the two locking structures are disposed opposite to each other.
In an embodiment of the present application, the detecting member includes a barometric pressure sensor and a signal processing module:
the air pressure sensor is arranged on the inner wall of the air duct;
the signal processing module is electrically connected with the air pressure sensor.
In an embodiment of the present application, an air valve is disposed on the air duct.
In the technical scheme of this application, through adopting to be equipped with on the air duct and compress tightly the piece, the radius of compressing tightly the piece is greater than the bore of waiting to detect the piece, compress tightly the piece and be equipped with sealed the pad towards the one end of waiting to detect the piece, sealed pad butt is on waiting to detect the piece through sealed pad, compress tightly the sealing pad and accomplish the seal of waiting to detect the piece, be equipped with locking structure on the air duct of waiting to detect the piece of inserting, locking structure includes lead screw and motor, the spiro union is connected with the locking lever on the slider on the lead screw, the one end rotation that the motor was kept away from to the lead screw is connected with the bracing piece, the other end rotation of bracing piece is connected in the bracing piece, when getting into operating condition, the bottom of lead screw drive locking lever is close the bracing piece, the upper end of locking lever will erect because the bracing piece and the butt is waiting to detect the inner wall of piece and accomplish the locking, at this moment through the air pump detecting the piece and aerify the pressurization, after the pressurization to a certain degree, detect inside atmospheric pressure through locating the air pressure sensor in the pipe, wait to detect the piece and can not leak when the atmospheric pressure can not reduce, the locking structure through this equipment can change the size, can be less than the air duct and wait to detect the sealing structure for waiting to detect the piece for detecting the sealing structure, the purpose is reached and the cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a leak detection apparatus for a sealed workpiece according to an embodiment of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a working longitudinal cross-sectional view of one embodiment of a sealed workpiece leak detection apparatus of the present utility model.
Reference numerals illustrate:
1. an air duct; 11. an air valve; 2. a sealing structure; 21. sealing sheets; 211. a compacting sheet; 212. a sealing gasket; 22. a locking structure; 221. a driving structure; 2211. a mounting base; 2212. a screw rod; 2213. a slide block; 2214. a motor; 222. a locking lever; 223. a support rod; 3. a detecting member; 31. an air pressure sensor; 32. a signal processing module; 4. an air pump; 5. and (5) detecting the piece to be detected.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Referring to fig. 1 to 3, in an embodiment of the present utility model, a leakage detection device for a sealed workpiece is provided, which includes an air duct 1, a sealing structure 2 and a detection member 3, wherein one end of the air duct 1 is connected with an air pump 4, and the other end is inserted into a member to be detected 5; the sealing structure 2 is arranged at the end of the air duct 1 far away from the air pump 4, the sealing structure 2 comprises a sealing piece 21 and a locking structure 22, the sealing piece 21 is abutted against the part to be detected 5, the locking structure 22 is connected to the part of the air duct 1 penetrating through the part to be detected 5, and the locking structure 22 is abutted against the inner wall of the part to be detected 5; the detecting piece 3 is arranged on the inner wall of the air duct 1.
In the sealed work piece seepage detection device of this application, including air pump 4, air duct 1, seal structure 2 and detection spare 3, air duct 1 connects in air pump 4 and extends to the inside of waiting to detect spare 5, be equipped with the sealing piece 21 of dismantling the change on the air duct 1, be equipped with sealed pad 212 on the sealing piece 21, sealed pad 212 is flexible structure, through sealed opening that is equipped with on waiting to detect spare 5 of 212 butt, sealing piece 21 compresses tightly sealed pad 212 completion equipment and waits to detect the sealing of spare 5, seal structure 2 still includes seal structure 2, it establishes on extending into the air duct 1 of waiting to detect spare 5, it includes motor 2214, lead screw 2212, locking lever 222 and bracing piece 223, locking lever 222 rotates and connects in lead screw 2212 on the slider 2213 of spiro union, the bracing piece 223 rotates and is kept away from the other end of motor 2214, can make the bottom of locking lever 222 be close to the bracing piece 223 through the cooperation of motor 2214, and locking lever 222 can be because bracing piece 223 rotates and is connected in the middle part of locking lever 222, wait to compress tightly sealing piece 212 and accomplish the equipment and wait to detect spare 5 sealing, it is little to detect the inside diameter and can be equipped with the air duct 1 for waiting to detect the inside diameter that does not reduce the air pressure sensor 1, can not reach the air pressure sensor 1 and can not be for waiting to detect the inside the air duct 1, can not reduce the size of the air duct 1 and detect the size is for detecting spare is detected 1, can be detected 1 and the size is detected to be detected to the inner wall is small in the air duct 11.
Referring to fig. 1 in combination, in an embodiment of the present application, the sealing plate 21 includes a pressing plate 211 and a sealing pad 212, where the pressing plate 211 is circumferentially connected to the outer wall of the air duct 1; the sealing pad 212 is connected to the end surface of the pressing piece 211 facing the to-be-detected piece 5, and abuts against the to-be-detected piece 5.
In the sealed work piece leakage detection device of this application, sealing washer 21 is used for sealing the through-hole that waits to detect 5 to leave, sealing washer 21 comprises compressing tightly piece 211 and sealed pad 212, sealed pad 212 is flexible material, compressing tightly piece 211 and fixing on air duct 1, when sealed pad 212 butt was waiting to detect 5, compressing tightly piece 211 reached the function of waiting to detect 5 through compressing tightly sealed pad 212, the radius size of sealing washer 21 can change through the change, whenever the bore is greater than air duct 1 and locking structure 22 wait to detect 5 and all can use this product, can reach the purpose that improves detection efficiency and reduce detection cost.
Referring to fig. 2 in combination, in an embodiment of the present application, the locking structure 22 includes a driving structure 221, a locking rod 222, and a supporting rod 223, where the driving structure 221 is disposed on an outer wall of the air duct 1; one end of the locking lever 222 is rotatably connected to the driving structure 221, and the other end is abutted against the inner wall of the member 5 to be detected; one end of the support rod 223 is rotatably connected to the outer wall of the air duct 1, and the other end is rotatably connected to the locking rod 222.
In the sealed work piece seepage detection device of this application, locking structure 22 establishes in the inside of treating detection piece 5 at air duct 1, including motor 2214, lead screw 2212, slider 2213, locking lever 222 and bracing piece 223, locking lever 222 rotates and connects the slider 2213 of spiro union on lead screw 2212, bracing piece 223 rotates and connects in lead screw 2212 keeps away from the other end of motor 2214, after sealing piece 21 butt is treating detection piece 5, the cooperation through motor 2214 and lead screw 2212 can make the bottom of locking lever 222 be close to bracing piece 223, and locking lever 222 can be connected in the middle part of locking lever 222 because of bracing piece 223 rotates, locking lever 222 will be gradually perpendicular, final butt is treating detection piece 5's inner wall of detecting piece 5, accomplish the locking function of device, can seal the mouth footpath is greater than air duct 1 with locking structure 22's treating detection piece 5 through this kind, can reach the purpose that improves detection efficiency and reduce the detection cost, the actuating structure 221 of locking structure 22 can be cylinder and connecting rod, bracing piece 223 rotates and is connected in the pole head of connecting rod, can also reach locking device's function.
Referring to fig. 2 in combination, in an embodiment of the present application, the driving structure 221 includes a mounting seat 2211, a screw rod 2212, a slider 2213, and a motor 2214, where the screw rod 2212 is rotatably connected to the mounting seat 2211; the sliding block 2213 is in threaded connection with the screw rod 2212, and one end of the locking rod 222 is rotatably connected with the sliding block 2213; the motor 2214 drives the connecting screw 2212.
In the sealed work piece leakage detection device of this application, locking lever 222 rotates and connects the slider 2213 of spiro union on lead screw 2212, the bracing piece 223 rotates and connects in lead screw 2212 and keep away from the other end of motor 2214, after sealing piece 21 butt is waiting to detect piece 5, the cooperation through motor 2214 and lead screw 2212 can make the bottom of locking lever 222 be close to bracing piece 223, and locking lever 222 can be because bracing piece 223 rotates and connects in the middle part of locking lever 222, locking lever 222 will be gradually perpendicular, the final butt is waiting to detect the inner wall of piece 5, accomplish the locking function of device, can seal the piece 5 that waits that the diameter is greater than air duct 1 and locking structure 22 through this kind of mode, can reach the purpose that improves detection efficiency and reduce detection cost.
Referring to fig. 1 to 3, in one embodiment of the present application, at least two locking structures 22 are provided, and the two locking structures 22 are disposed opposite to each other.
In the sealed workpiece leakage detection device, the locking structures 22 are at least symmetrically arranged two, and the two locking structures 22 can better play a role in locking and stabilizing by being oppositely arranged, so that the sealing performance of the whole device is better, and the detection of the sealing performance of the workpiece 5 to be detected is finished.
Referring to fig. 3 in combination, in an embodiment of the present application, the detecting element 3 includes an air pressure sensor 31 and a signal processing module 32, where the air pressure sensor 31 is disposed on an inner wall of the air duct 1; the signal processing module 32 is electrically connected to the air pressure sensor 31.
In the sealed workpiece leakage detection device, after sealing of a workpiece 5 to be detected is completed by a sealing structure 2, an air pump 4 charges air for the workpiece 5 to be detected through an air duct 1, after the internal pressure of the workpiece 5 reaches a certain value, the pressurization is stopped, an air pressure sensor 31 is arranged on the inner wall of the air duct 1 to detect the internal air pressure value of the workpiece 5 to be detected in real time, and data are transmitted back to a signal processing module 32, so that after the data are processed, the air pressure change in the workpiece 5 to be detected can be detected in real time, and after the air pressure is stabilized through an air valve 11 without pressurization, the air pressure cannot change along with time, and the tightness of the workpiece 5 to be detected is good.
Referring to fig. 1 to 3, in an embodiment of the present application, an air valve 11 is disposed on the air duct 1.
In the sealed workpiece leakage detection device, after sealing of a workpiece 5 to be detected is completed by a sealing structure 2, an air pump 4 charges air for the workpiece 5 to be detected through an air duct 1, after the internal pressure of the workpiece 5 reaches a certain value, the pressurization is stopped, the air valve 11 is locked to stabilize the internal air pressure of the workpiece 5 to be detected, an air pressure sensor 31 is arranged on the inner wall of the air duct 1 to detect the internal air pressure value of the workpiece 5 to be detected in real time, data are transmitted back to a signal processing module 32, and after the data are processed, the air pressure change in the workpiece 5 to be detected can be detected in real time, and when the air pressure cannot change with time, the tightness of the workpiece 5 to be detected is good.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (7)
1. A sealed workpiece leak detection apparatus, comprising:
one end of the air duct is connected with an air pump, and the other end of the air duct is inserted into the piece to be detected;
the sealing structure is arranged at the end of the air duct, which is far away from the air pump, and comprises a sealing piece and a locking structure, wherein the sealing piece is abutted to the part to be detected, the locking structure is connected with the part of the air duct, which is penetrated through the part to be detected, and the locking structure is abutted to the inner wall of the part to be detected; and
the detection piece is arranged on the inner wall of the air duct.
2. The sealed workpiece leak detection apparatus as defined in claim 1, wherein said sealing sheet comprises:
the compressing piece is circumferentially connected to the outer wall of the air duct; and
the sealing gasket is connected to the end face of the pressing piece, facing the to-be-detected piece, and is abutted to the to-be-detected piece.
3. A sealed workpiece leak detection apparatus as defined in claim 2, wherein said locking structure comprises:
the driving structure is arranged on the outer wall of the air duct;
one end of the locking rod is rotatably connected with the driving structure, and the other end of the locking rod is abutted against the inner wall of the piece to be detected; and
and one end of the supporting rod is rotationally connected to the outer wall of the air duct, and the other end of the supporting rod is rotationally connected to the locking rod.
4. A sealed workpiece leak detection apparatus as defined in claim 3, wherein said drive structure comprises:
a mounting base;
the screw rod is rotationally connected to the mounting seat;
the sliding block is in threaded connection with the screw rod, and one end of the locking rod is rotationally connected with the sliding block; and
and the motor is in driving connection with the screw rod.
5. A sealed workpiece leak detection apparatus as defined in claim 4, wherein at least two of said locking structures are provided, said locking structures being disposed opposite each other.
6. A sealed workpiece leak detection apparatus as defined in any one of claims 1 to 5, wherein said detection member comprises:
the air pressure sensor is arranged on the inner wall of the air duct;
and the signal processing module is electrically connected with the air pressure sensor.
7. A sealed workpiece leak detection apparatus as defined in any one of claims 1 to 5, wherein said air duct is provided with an air valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322129065.3U CN220568355U (en) | 2023-08-09 | 2023-08-09 | Leakage detection device for sealing workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322129065.3U CN220568355U (en) | 2023-08-09 | 2023-08-09 | Leakage detection device for sealing workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220568355U true CN220568355U (en) | 2024-03-08 |
Family
ID=90104396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322129065.3U Active CN220568355U (en) | 2023-08-09 | 2023-08-09 | Leakage detection device for sealing workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220568355U (en) |
-
2023
- 2023-08-09 CN CN202322129065.3U patent/CN220568355U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111623921A (en) | On-site automatic vacuum pressure gauge calibrating device | |
| CN220568355U (en) | Leakage detection device for sealing workpiece | |
| CN209802593U (en) | Battery shell leakage detection device | |
| CN209454035U (en) | A kind of mold and control pressurer system | |
| CN212567782U (en) | On-site automatic vacuum pressure gauge calibrating device | |
| CN212807766U (en) | Portable gas, dust and smoke dust sampling instrument calibration device | |
| CN210953278U (en) | Mechanical seal accessory detection device | |
| CN108801110B (en) | Detection tool for detecting side dimension of shell of gas meter and application method of detection tool | |
| CN212228336U (en) | Water tank leak detector capable of achieving rapid detection | |
| CN210397794U (en) | Steel ball type three-way shuttle valve joint | |
| CN220354107U (en) | Mechanical sealing device of centrifugal submersible pump | |
| CN213928942U (en) | Inner oil tank for underwater robot | |
| CN216846769U (en) | Air pipe joint air tightness detection tool and detection device | |
| CN219977675U (en) | Ball valve sealing member gas tightness testing arrangement | |
| CN220206999U (en) | Turbocharger volute air tightness detection equipment | |
| CN220842157U (en) | Anti-deformation skylight frame structure | |
| CN218724991U (en) | Metrological verification quick-connection device with flange pressure gauge | |
| CN210863056U (en) | Novel valve body air tightness detection device | |
| CN112857710B (en) | Airtight detection frock of battery box | |
| CN216925901U (en) | Vacuum degree detection device of automobile brake vacuum boosting system | |
| CN210689932U (en) | Semi-automatic adjustable pressure gauge calibration stand | |
| US6038929A (en) | Three-way valved apparatus and method for testing pressure in a fluid system | |
| CN214201108U (en) | A supercharging device for concrete impermeability test | |
| CN219829867U (en) | Differential pressure type static level | |
| CN212106006U (en) | Engine oil scale assembly and liquid level detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |