CN209927362U - Unthreaded hole leakage test plugging device - Google Patents
Unthreaded hole leakage test plugging device Download PDFInfo
- Publication number
- CN209927362U CN209927362U CN201921001784.4U CN201921001784U CN209927362U CN 209927362 U CN209927362 U CN 209927362U CN 201921001784 U CN201921001784 U CN 201921001784U CN 209927362 U CN209927362 U CN 209927362U
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- screw
- pressing block
- pressing
- pressing plate
- head
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- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 62
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 208000010727 head pressing Diseases 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000407 epitaxy Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 235000009537 plain noodles Nutrition 0.000 description 1
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Abstract
The utility model relates to a tool, in particular to a unthreaded hole leakage testing and plugging device, which comprises a pressing plate, a pressing block, an adjusting screw and a connecting screw, wherein the connecting screw passes through a through hole in the middle of the pressing plate and is used for connecting the pressing plate and a workpiece; one end of the pressing plate is provided with a pressing block, the end surface of one side of the pressing block, which faces the workpiece, is provided with a positioning part, and an annular groove and a sealing ring are arranged between the end surface of the pressing block and the positioning part; the other end of the pressure plate is provided with an adjusting screw, and the head of the adjusting screw faces towards the workpiece. The utility model discloses utilize the sealing washer to seal, compress tightly through connecting screw, because the briquetting directly inserts the shutoff hole, can effectively avoid the device whole to follow the commentaries on classics when compressing tightly, simultaneously, the simple operation, sealed effect is good; the adjusting screw is used as a support to ensure that the sealing ring generates proper deformation when the connecting screw applies pressing force, so that the sealing performance is finished; the sealing washer is installed in the ring channel, avoids receiving the extrusion back epitaxy, influences sealing performance.
Description
Technical Field
The utility model relates to an instrument is a unthreaded hole leak test plugging device particularly for engine trial-manufacturing in-process cylinder body cylinder cap oil duct or water course.
Background
Before final assembly, the cylinder cover of the engine cylinder body must be subjected to inflation, time-limiting and pressure-maintaining tests on whether the oil passage or the water passage leaks. The trial production of the engine usually adopts simple and easy manual plugging of parts, and currently, in the trial production process of the engine, the plugging of an oil passage or a water passage of a cylinder cover of an engine cylinder body has two forms of flat plate plugging and bottle plug plugging.
The leak testing of the unthreaded holes with a plurality of screw holes around the orifice of an oil duct or a water duct can be sealed by a flat plate by using the screw holes around, and the leak testing is composed of a sealing pad, a pressing plate and screws, wherein the sealing pad covers the plane of the hole to be sealed, the pressing plate is arranged above the sealing pad, and a plurality of screws penetrate through the pressing plate and are screwed into the screw holes around the hole to be sealed, so that the pressing plate is forced to extrude the sealing pad to generate a sealing function, and the sealing is completed. By adopting the flat plate type plugging, when the sealing gasket is not proper in size and the tightening force of the compression screws is not uniformly distributed, the air leakage phenomenon can occur, and meanwhile, the operation is inconvenient. For leakage test of an oil duct or a water duct with no screw holes or only a single screw hole around an orifice, the leakage test adopts a bottle plug type plugging, namely, a hole is plugged by radial deformation of a plug, the plugging is completed by radial deformation generated by extrusion of plugging materials arranged at the head of a handle, but the plug is easy to pop out of the hole when being subjected to a certain axial force and is unreliable in plugging, and meanwhile, potential safety hazards are brought to workpieces, operators and peripheral equipment when the plug is popped out rapidly. In pursuit of reliable manual occlusion technology, ideal occlusion tools need to be sought.
Disclosure of Invention
The utility model aims at solving the above problem, improved a unthreaded hole leakage test plugging device, it is reliable to ensure the shutoff of engine cylinder body cylinder cap oil duct or water course, and whole implementation is simple and direct, safe, reliable.
According to the technical scheme of the utility model, the unthreaded hole leakage testing and plugging device comprises a pressing plate, a pressing block, an adjusting screw and a connecting screw, wherein the connecting screw passes through a through hole in the middle of the pressing plate and is used for connecting the pressing plate and a workpiece; one end of the pressing plate is provided with a pressing block, the end surface of one side of the pressing block, which faces the workpiece, is provided with a positioning part, and an annular groove and a sealing ring are arranged between the end surface of the pressing block and the positioning part; the other end of the pressure plate is provided with an adjusting screw, and the head of the adjusting screw faces towards the workpiece.
Furthermore, the pressing block is a ball-head pressing block, the pressing block is installed on the pressing plate through a connecting piece, the connecting piece is in threaded connection with the pressing plate, and a ball head used for connecting the pressing block is arranged on the connecting piece.
Furthermore, the head of the pressing block positioning part is hemispherical or conical.
Furthermore, the pressing block is an annular groove screw, a threaded end of the annular groove screw forms a positioning part, the head of the annular groove screw is screwed into the pressing plate through a thread pair, and the sealing ring is installed in an annular groove of the annular groove screw.
Furthermore, the diameter of the through hole on the pressure plate is larger than the diameter of the thread section of the connecting screw and smaller than the diameter of the head of the connecting screw.
Furthermore, a check ring is arranged on a connecting screw between the pressure plate and the workpiece.
Further, the head of the adjusting screw is round and is welded with copper.
Further, the pressing plate is a strip-shaped plate or a V-shaped plate.
The beneficial effects of the utility model reside in that: the sealing ring is used for sealing, the pressing block is directly inserted into the plugging hole, so that the integral follow-up rotation of the device can be effectively avoided during pressing, and meanwhile, the operation is convenient and fast, and the sealing effect is good; the adjusting screw is used as a support to ensure that the sealing ring generates proper deformation when the connecting screw applies pressing force, so that the sealing performance is finished; the sealing washer is installed in the ring channel, avoids receiving the extrusion back epitaxy, influences sealing performance.
Drawings
Fig. 1 is a schematic view of a first usage status of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic view of a use state of the second embodiment of the present invention.
Fig. 4 is a top view of fig. 3.
Description of reference numerals: 1-sealing ring, 2-pressing block, 3-adjusting screw, 4-connecting screw, 5-retainer ring, 6-pressing plate and 7-connecting piece.
Detailed Description
The invention will be further described with reference to the following specific embodiments and the accompanying drawings.
As shown in the figure: unthreaded hole leakage test plugging device includes clamp plate 6, briquetting 2, adjusting screw 3 and connecting screw 4, and connecting screw 4 passes the through-hole in clamp plate 6 middle part and is used for connecting clamp plate 6 and work piece. One end of the pressing plate 6 is provided with a pressing block 2, the end surface of one side of the pressing block 2 facing the workpiece is provided with a positioning part which is positioned and inserted into the plugging hole, and an annular groove and a sealing ring 1 are arranged between the end surface of the pressing block 2 and the positioning part; the other end of the pressure plate 6 is provided with an adjusting screw 3, and the head of the adjusting screw 3 faces the workpiece.
Example one
As shown in fig. 1 and 2: the clamp plate 6 adopts a strip-shaped plate, the press block 2 adopts a ring-shaped groove screw, a thread end of the ring-shaped groove screw forms a positioning part, the head part of the ring-shaped groove screw is screwed into the clamp plate 6 through a thread pair, and the sealing ring 1 is installed in a ring-shaped groove of the ring-shaped groove screw. The adjusting screw 3 is a knurled screw which is in threaded fit with the pressure plate, and the head of the knurled screw is supported on the smooth surface of the workpiece. The connecting screw 4 is a knurled screw with an inner hexagonal cylindrical head, and a gap is reserved between the connecting screw and a through hole in the middle of the pressing plate 6.
During operation, the annular groove screw is inserted into a blocked hole (unthreaded hole) of a workpiece, the head of the knurled screw is supported on the smooth surface of the workpiece, the knurled screw is adjusted to enable the end of the sealing ring 1 of the pressing plate 4 to be slightly higher, the knurled screw of the inner hexagonal cylinder head penetrates through the pressing plate 6 and is screwed into the threaded hole of the workpiece, the annular groove screw is forced to downwards extrude the sealing ring 1 to generate proper deformation, and the blocking function is completed. The knurled screw head is brazed and spheronized to adjust the pressing force and protect the workpiece surface during operation. The operation is quick and the work is reliable.
Example two: the direct injection hole is positioned near the outer side of a lower cylinder hole of the cylinder block, the direct injection hole is a smooth hole, an M6 screw hole is arranged on the same plane and is close to a main bearing stop on one side, and a main bearing cover is already installed on the cylinder block.
As shown in fig. 3 and 4: the pressure plate 6 is a V-shaped plate, and the requirement that screw holes near the unthreaded holes are located on non-parallel different surfaces can be met by the V-shaped plate, for example, the unthreaded holes are located on the side surface of a cylinder body, and the screw holes are located on the end surface of the cylinder body. Connecting screw 4 adopts bellied long cylinder hexagon socket head cap knurling screw in middle part, it passes the through-hole at clamp plate 6 middle part, there is suitable clearance between the two, connecting screw 4's head cylinder section diameter is greater than the diameter of through-hole on clamp plate 6, be equipped with retaining ring 5 on connecting screw 4 between clamp plate 6 and the work piece, retaining ring 5 card is in connecting screw 4's inslot, prevent that connecting screw 4 from droing from connecting plate 6, avoid bringing inconvenience for the operator, the diameter of the part of installing retaining ring 5 on connecting screw 4 is greater than the diameter of other parts of the upper thread section of connecting screw 4, form the middle part arch. The pressing block 2 is a ball head pressing block, the sealing ring 1 is tightly matched with the ball head pressing block, and the end part of the positioning part of the ball head pressing block is hemispherical or conical, so that the sealing ring can be conveniently inserted into a plugging hole and is hemispherical in the figure. Briquetting 2 passes through connecting piece 7 to be installed on clamp plate 6, connecting piece 7 passes through threaded connection with clamp plate 6, be equipped with the bulb that is used for connecting briquetting 2 on the connecting piece 7, connecting piece 7 can adopt bulb hexagon socket head knurling screw, bulb socket head knurling screw passes behind clamp plate 6, with its bulb screw in bulb briquetting, and both can the relative rotation, connecting piece 7 promotes briquetting 2 and is down along by the shutoff hole (straight orifice) when, avoid briquetting 2 rotatory and damage sealing washer 1, can guarantee simultaneously that sealing washer 1 warp evenly, it is airtight. The head of adjusting screw 3 is circular and welds the copper, welds copper thickness and can be 2mm, and adjusting screw 3 can adopt the knurling screw, and the knurling screw passes through threaded connection with clamp plate 6. The pressing plate 6 is arranged in the middle area of the height direction of the plugging device.
During operation inserts the straight orifice that the work piece needs the shutoff with briquetting 2 (bulb briquetting), connecting screw 4 twists the other screw of straight orifice, to the lower terminal surface of its screw thread section bulge and directly spout the laminating of hole place plane, with the sharing bearing capacity, adjusting screw 3 (hexagonal cylinder head knurling screw in the bulb) supports on the plain noodles of work piece, adjust the knurling screw, make clamp plate 6 be close the level, hexagonal cylinder head knurling screw in the rotatory bulb, it is down to promote the bulb briquetting, force sealing washer 1 to produce the appropriate amount and warp, thereby accomplish sealing function. In the process, the connecting screw 4 plays a role in ensuring the installation stability of the plugging device besides sharing the bearing capacity of the thread part. The pressure plate 6 not only completes the force transmission, but also ensures the rigidity and stability of the whole structure of the plugging device. The ball head pressing block and the long-cylinder inner hexagonal cylindrical knurled screw are combined to prevent rotation, namely, no matter the long-cylinder inner hexagonal cylindrical knurled screw or the connecting piece 7 (the ball head inner hexagonal cylindrical knurled screw) is rotated, the plugging device cannot integrally rotate along with the rotation.
Claims (8)
1. The unthreaded hole leakage testing and plugging device is characterized by comprising a pressing plate (6), a pressing block (2), an adjusting screw (3) and a connecting screw (4), wherein the connecting screw (4) penetrates through a through hole in the middle of the pressing plate (6) and is used for connecting the pressing plate (6) with a workpiece; one end of the pressing plate (6) is provided with a pressing block (2), the end face of one side, facing the workpiece, of the pressing block (2) is provided with a positioning part, an annular groove is formed between the end face of the pressing block (2) and the positioning part, and a sealing ring (1) is arranged; the other end of the pressure plate (6) is provided with an adjusting screw (3), and the head of the adjusting screw (3) faces the workpiece.
2. The leak testing and plugging device for the unthreaded hole according to claim 1, wherein the pressing block (2) is a ball-head pressing block, the pressing block (2) is mounted on the pressing plate (6) through a connecting piece (7), the connecting piece (7) is in threaded connection with the pressing plate (6), and a ball head for connecting the pressing block (2) is arranged on the connecting piece (7).
3. The leak-testing and plugging device for the unthreaded hole as claimed in claim 1 or 2, wherein the head of the positioning portion of the pressing block (2) is hemispherical or conical.
4. The unthreaded hole leakage-testing plugging device according to claim 1, wherein the pressing block (2) is an annular groove screw, a threaded end of the annular groove screw forms the positioning portion, a head of the annular groove screw is screwed into the pressing plate (6) through a thread pair, and the sealing ring (1) is installed in an annular groove of the annular groove screw.
5. The leak-testing plugging device for the unthreaded hole as claimed in claim 1, wherein the diameter of the through hole on the pressure plate (6) is larger than the diameter of the threaded section of the connecting screw (4) and smaller than the diameter of the head of the connecting screw (4).
6. The leak-testing and plugging device for the unthreaded hole of claim 1, wherein a retainer ring (5) is arranged on the connecting screw (4) between the pressure plate (6) and the workpiece.
7. The leak-testing plugging device for the unthreaded hole as claimed in claim 1, wherein the head of said adjusting screw (3) is circular and is brazed.
8. The leak-testing and plugging device for the unthreaded hole of claim 1, wherein the pressing plate (6) is a strip-shaped plate or a V-shaped plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001784.4U CN209927362U (en) | 2019-06-28 | 2019-06-28 | Unthreaded hole leakage test plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001784.4U CN209927362U (en) | 2019-06-28 | 2019-06-28 | Unthreaded hole leakage test plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209927362U true CN209927362U (en) | 2020-01-10 |
Family
ID=69093448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921001784.4U Withdrawn - After Issue CN209927362U (en) | 2019-06-28 | 2019-06-28 | Unthreaded hole leakage test plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209927362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967148A (en) * | 2019-11-19 | 2020-04-07 | 中国航发沈阳黎明航空发动机有限责任公司 | Cavity plugging tool |
-
2019
- 2019-06-28 CN CN201921001784.4U patent/CN209927362U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967148A (en) * | 2019-11-19 | 2020-04-07 | 中国航发沈阳黎明航空发动机有限责任公司 | Cavity plugging tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200110 Effective date of abandoning: 20240917 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200110 Effective date of abandoning: 20240917 |