CN210293555U - Quick-mounting air tightness test device - Google Patents
Quick-mounting air tightness test device Download PDFInfo
- Publication number
- CN210293555U CN210293555U CN201921712573.1U CN201921712573U CN210293555U CN 210293555 U CN210293555 U CN 210293555U CN 201921712573 U CN201921712573 U CN 201921712573U CN 210293555 U CN210293555 U CN 210293555U
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- sealing device
- quick
- lead screw
- sealing
- 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
Images
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model provides a quick-mounting card airtight test device, which comprises a support, be fixed with the workstation that the level set up on the support, be fixed with the lead screw of two parallels and vertical settings on the workstation, sealed hand wheel is connected to the upper end of left side lead screw, the lower extreme runs through U type taper block, U type taper block is equipped with the horizontal male hole of gas supply pipeline, the upper end connection clamping hand wheel of right side lead screw, the lower extreme runs through the clamp plate, be equipped with sealing device on the workstation between two lead screws, be fluted on the terminal surface in the middle of the sealing device, the recess internal fixation is inlayed and is had sealed rubber ring, the both sides of recess are equipped with compression spring, compression spring's the other end and lower clamp plate fixed. The sealing device of the utility model has the function of positioning the pressure test part, and the compression spring pushes the sealing device to reset backwards; the pressing arc surfaces of the upper pressing plate and the lower pressing plate are consistent with the appearance of the test tube bundle, so that the clamping effect is guaranteed, the U-shaped conical block and the compression spring control the sealing device to move left and right, and the tube end sealing is realized through the sealing ring.
Description
Technical Field
The utility model relates to a tooling equipment field especially indicates a quick dress card air tightness test device.
Background
In industrial production, often use heat exchange tube bank, need carry out airtight test to tube bank heat exchange tube class part before the tube bank equipment, heat exchange tube class part is in large quantity, and cross sectional shape is various: the test fixture has various styles such as circular and oval, has the defects of unreasonable structure, complex operation, low production efficiency and the like in the existing test fixture, has potential safety hazards at all, and is not beneficial to large-scale production.
SUMMERY OF THE UTILITY MODEL
The utility model provides a quick dress card airtight test device to solve the problem of proposing among the above-mentioned background art.
The technical scheme of the utility model is realized like this:
the quick clamping air tightness test device comprises a support, a workbench is fixed on the support and horizontally arranged, two parallel and vertically arranged lead screws are fixed on the workbench, the upper end of the lead screw at the left side is connected with a sealing hand wheel, the lower end of the lead screw at the left side penetrates through a U-shaped taper block, the U-shaped taper block is wide at the upper part and narrow at the lower part, a hole for a gas pipeline to be transversely inserted is formed in the U-shaped taper block, an air inlet valve and an air release valve are arranged on the gas pipeline, the upper end of the lead screw at the right side is connected with a clamping hand wheel, the lower end of the lead screw at the right side penetrates through a pressing plate, the pressing plate comprises an upper pressing plate and a lower pressing plate, two opposite surfaces of the upper pressing plate and the lower pressing plate are cambered surfaces, a sealing device is arranged between the two lead screws on the workbench, a groove is formed in the end surface, and compression springs are arranged on two sides of the groove, and the other ends of the compression springs are fixedly connected with the lower pressing plate.
Preferably, the two screw rods are both trapezoidal threads, and the lifting is rapid.
Preferably, the two cambered surfaces of the upper pressure plate and the lower pressure plate are subjected to friction force increasing treatment, so that the pressure test tube bundle is effectively clamped, and the section of the pressure test tube bundle is not deformed.
Preferably, both ends of the sealing device are provided with limiting pieces.
The utility model has the advantages that:
1. the screw rod of the utility model adopts trapezoidal threads, the sealing rubber ring is arranged in the middle of the sealing device, the sealing device is convenient to replace, the sealing device simultaneously has the function of positioning a pressure test part, and the compression spring pushes the sealing device to reset backwards; the pressing arc surfaces of the upper pressing plate and the lower pressing plate are consistent with the appearance of the test tube bundle, so that the clamping effect is guaranteed, the sizes of the upper pressing plate and the lower pressing plate are longer, the pressing arc surfaces are used for increasing friction force, and the cross section of a part is not deformed while the pressure test part is effectively clamped.
And 2, controlling the sealing device to move left and right by the U-shaped conical block and the compression spring, and sealing the pipe end by the sealing ring.
3. The utility model discloses have quick clamping, quick sealed, quick airtight test, simple structure, flexible operation, application scope are wide, and airtight test production efficiency is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a side view of a quick chucking air tightness test device of the present invention;
fig. 2 is a top view of the present invention.
The device comprises a support 1, a U-shaped taper block 2, a screw rod 3, a sealing hand wheel 4, a clamping hand wheel 5, an upper pressing plate 6, a lower pressing plate 7, a test tube bundle 8, a sealing rubber ring 9, a compression spring 10, a sealing device 11, a limiting device 12, an air inlet valve 13 and an air release valve 14.
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 efforts belong to the protection scope of the present invention.
A quick-mounting and clamping air tightness test device is shown in a figure 1-2 and comprises a support 1, a workbench horizontally arranged is fixed on the support 1, two parallel and vertically arranged screw rods 3 are fixed on the workbench, a sealing hand wheel 4 is connected to the upper end of the screw rod 3 at the left side, the lower end of the screw rod 3 at the left side penetrates through a U-shaped taper block 2, the U-shaped taper block 2 is wide at the top and narrow at the bottom, a hole for a gas pipeline to be transversely inserted is formed in the U-shaped taper block 2, an air inlet valve 13 and an air discharge valve 14 are arranged on the gas pipeline, a clamping hand wheel 5 is connected to the upper end of the screw rod 3 at the right side, a pressing plate is penetrated at the lower end of the screw rod 3, the pressing plate comprises an upper pressing plate 6 and a lower pressing plate 7, two opposite surfaces of the upper pressing plate 6 and the lower pressing plate 7 are cambered surfaces, a sealing device 11 is arranged between the, the sealing rubber ring 9 is provided with a central hole, the central hole is communicated with one end, close to the sealing rubber ring 9, of the gas pipeline, compression springs 10 are arranged on two sides of the groove, and the other ends of the compression springs 10 are fixedly connected with the lower pressing plate 7.
On the basis of the technical scheme, the two screw rods 3 are both provided with trapezoidal threads, and the lifting is rapid.
On the basis of the technical scheme, the two cambered surfaces of the upper pressing plate 6 and the lower pressing plate 7 are subjected to friction force increasing treatment, so that the cross section of the pressure test tube bundle 8 is not deformed while the pressure test tube bundle is effectively clamped.
On the basis of the above technical scheme, both ends of the sealing device 11 are provided with limiting pieces 12.
The working process is as follows: rotating the sealing hand wheel 4 to lift the U-shaped conical block 2, and resetting the sealing device 11 under the action of the compression spring 10; rotating the clamping hand wheel 5 to lift the upper pressure plate 6; a tube bundle 8 to be tested is arranged between an upper pressure plate 6 and a lower pressure plate 7 and is close to a sealing device 11, and a clamping hand wheel 5 is rotated to enable the upper pressure plate 6 to tightly press parts; rotating the sealing hand wheel 4 to enable the U-shaped conical block 2 to push the sealing device 11 to seal the pipe end; the air inlet valve 13 on the air pipeline is opened to fill the inner cavity of the test tube bundle 8 with compressed air, and the surface of the tube bundle is checked to see whether leakage exists. After the inspection is finished, closing the air inlet valve 13, and opening the air release valve 14 to exhaust the compressed air in the inner cavity of the test tube bundle 8; rotating the clamping hand wheel 5 to lift the upper pressure plate 6 and taking out the test tube bundle 8; the sealing handwheel 4 is rotated to lift the U-shaped conical block, the sealing device 11 is reset under the action of the compression spring 10, and then the air tightness test of the next part is carried out.
According to the actual test part needs, the utility model discloses can use in pairs, seal respectively 8 both ends of experimental tube bank, the effect is better.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The quick clamping air tightness test device is characterized by comprising a support, wherein a workbench is fixed on the support and horizontally arranged, two parallel and vertically arranged lead screws are fixed on the workbench, the upper end of the lead screw at the left side is connected with a sealing hand wheel, the lower end of the lead screw at the left side penetrates through a U-shaped taper block, the U-shaped taper block is wide at the upper part and narrow at the lower part, a hole for a gas pipeline to be transversely inserted is formed in the U-shaped taper block, an air inlet valve and an air release valve are arranged on the gas pipeline, the upper end of the lead screw at the right side is connected with a clamping hand wheel, the lower end of the lead screw at the right side penetrates through a pressing plate, the pressing plate comprises an upper pressing plate and a lower pressing plate, two opposite surfaces of the upper pressing plate and the lower pressing plate are cambered surfaces, a sealing device is arranged between the two lead screws on the workbench, a groove is formed in the middle end, and compression springs are arranged on two sides of the groove, and the other ends of the compression springs are fixedly connected with the lower pressing plate.
2. The quick-mount card air tightness test device according to claim 1, wherein the two lead screws are both trapezoidal threads.
3. The quick-mounting airtight test apparatus according to claim 1, wherein the two cambered surfaces of the upper and lower press plates are subjected to a friction increasing treatment.
4. The quick-mount card air-tightness testing device according to claim 1, wherein both ends of the sealing device are provided with a stopper.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921712573.1U CN210293555U (en) | 2019-10-14 | 2019-10-14 | Quick-mounting air tightness test device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921712573.1U CN210293555U (en) | 2019-10-14 | 2019-10-14 | Quick-mounting air tightness test device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210293555U true CN210293555U (en) | 2020-04-10 |
Family
ID=70066048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921712573.1U Active CN210293555U (en) | 2019-10-14 | 2019-10-14 | Quick-mounting air tightness test device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210293555U (en) |
-
2019
- 2019-10-14 CN CN201921712573.1U patent/CN210293555U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205027499U (en) | Engine intake manifold air tightness testing device | |
CN210293555U (en) | Quick-mounting air tightness test device | |
CN203337331U (en) | U-shaped tube pressure test fixture | |
CN207318010U (en) | A kind of full-automatic ball valve gas measurement equipment | |
CN205734588U (en) | A kind of pipe material clamp | |
CN210704392U (en) | Spring type leak detection clamp | |
CN207432717U (en) | A kind of silica gel mould detection device | |
CN206876349U (en) | A kind of leakage test plugging device | |
CN205483441U (en) | Automatic change gas tightness check out test set | |
CN207439618U (en) | A kind of pneumatic operated valve air-tightness detection device | |
CN203365080U (en) | Novel seal test fixture | |
CN107063577A (en) | A kind of leakage test plugging device | |
CN209288620U (en) | A kind of explosion-proof vent automatic positioning clamp for machining | |
CN208364797U (en) | A kind of gas flow adjuster | |
CN208093511U (en) | A kind of clamping jaw device that welding stretches | |
CN202494550U (en) | Ball valve tightness tester for automobile brake system | |
CN207379690U (en) | A kind of Rapid pressure test apparatus for valve | |
CN209551534U (en) | A kind of pressure test fixture of total return pipe | |
CN204694410U (en) | A kind of diffusion valve test device for air tightness | |
CN206248295U (en) | A kind of airtightness testing tool of lower section assembling | |
CN105277316A (en) | Airtightness testing clamping tool for exhaust manifold | |
CN206248476U (en) | Pressure test device in a kind of tubular workpiece | |
CN205009094U (en) | Edge of work fixing device | |
CN204346646U (en) | A kind of slotting adapter body pick-up unit | |
CN220187954U (en) | Valve controller support seals pressure testing frock |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |