CN201130108Y - Expansion type multi-cross section seal inner round hole blocking tool - Google Patents
Expansion type multi-cross section seal inner round hole blocking tool Download PDFInfo
- Publication number
- CN201130108Y CN201130108Y CNU2007201875932U CN200720187593U CN201130108Y CN 201130108 Y CN201130108 Y CN 201130108Y CN U2007201875932 U CNU2007201875932 U CN U2007201875932U CN 200720187593 U CN200720187593 U CN 200720187593U CN 201130108 Y CN201130108 Y CN 201130108Y
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- China
- Prior art keywords
- circular hole
- weldment
- depression bar
- threeway
- fork
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Abstract
The utility model discloses a distensible type multi-cross section sealed inner circular hole plugging device, which comprises a mandril weldment, wherein the mandril weldment is a trinacriform structure, wherein a stop screw is installed on a central screw hole of one fork on the bigger end, a pivoted housing weldment is installed on an outer screw tooth, a pressing sleeve, a two-way long compression bar, O-shaped packing rings, a two-way short compression bar, a three-way compression bar and an anti-thrust female screw are installed on an elongated fork in turn, wherein the O-shaped packing rings are installed on lug bosses of each compression bar, and a depth regulating turnbuckle and a locking female screw are installed on a screw bolt of another fork. The packing rings are expanded through multiple segment compression and thereby a plurality of cross sections in the inner circular holes such as main oil galleries and the like of a machine body of an engine can be effectively sealed.
Description
Technical field
The utility model relates to a kind of capping tools, specifically, but relates to a kind of capping tools by circular hole in the sealing of segmentation swelling multi-section.
Background technology
In recent years, the mode of cooling piston adopts more and more and installs cooling jet additional directly spray machine oil on engine body, this mode cooling jet is made and the requirement on machining accuracy of installation site than higher.
But the production technique at parts can't satisfy under the situation of request for utilization fully, for guaranteeing from the reliability of the machine oil drop point of cooling jet ejection, avoid the serious quality fault generation of scorification because the piston cooling is bad, the common need install to the simulation test of practicing shooting on the body to cooling jet before the engine assembling.
During test, need relate to the shutoff problem of body main oil gallery.Usually, be processed with towards the oilhole of cooling jet except sectional position in the body main oil gallery in correspondence, also be processed with the oilhole that connects each lubricant housings of engine and various instruments in other sectional position, and because main oil gallery is long, need during machine work to process at least at twice from the two ends of main oil gallery, may have the out-of-alignment situation from the hole of two ends processing, this just makes the shutoff of main oil gallery become difficult more.
The stifled tool of main oil gallery in the past is such, adopt the test of practicing shooting of external diameter round steel pipe suitable and be processed with small sircle hole in the respective cross-section position, such result is that sealing is bad, the liquid that leads to cooling jet from steel pipe leaks fast from bigger gap between main oil gallery and the steel pipe, can not form satisfactory sealing cavity volume, from the fluid bundle insufficient pressure of cooling jet ejection, can not be along comparatively stable linear running, thus can not effectively guarantee fluid bundle accuracy of placement.
Based on above reason, a kind of stifled tool of main oil gallery that more can satisfy request for utilization of necessary redesign.
The utility model content
The utility model technical issues that need to address just are to overcome the defective of prior art, the stifled tool of circular hole in a kind of expansion chuck multi-section sealing is provided, it expands O-ring seal by a minute multistage compression, thereby can a plurality of cross sections in the interior circular holes such as engine body main oil gallery effectively be sealed.
For addressing the above problem, the utility model adopts following technical scheme:
The stifled tool of circular hole in a kind of expansion chuck multi-section sealing of the utility model comprises the plug weldment, and described plug weldment is a trifid structure, and the center screw of wherein big end one fork is equipped with stop screw, and external screw teeth is equipped with the pivoted housing weldment; An elongated fork is equipped with gland, two elongated depression bars, O-ring seals, two logical short depression bar, threeway depression bar and Thrust nuts successively, and wherein O-ring seals is contained on the boss of each depression bar; Depth adjustment swivel nut and set nut are housed on the screw rod of another fork.
On the described plug weldment steel pipe is installed, described steel pipe is the stainless steel thin-wall seamless steel pipe, one end is the plane, one end has boss, steel pipe has the center hole of boss one end and guide spiro rod one end to align to weld together, the other end is welded with obstruction, and the circular hole at guide spiro rod cylindrical middle part is welded with water pipe head, is welded with the depth adjustment screw rod towards the steel pipe direction in the water pipe head.
Described pivoted housing weldment comprises pivoted housing and rotary handle, and rotary handle is welded on the circular hole of pivoted housing cylindrical.
Described gland cylindrical is provided with the water pipe head slot to make way of opening.
Described two elongated depression bars, two logical short depression bars and threeway depression bar are that nylon material is made, the circular hole that connects before and after each depression bar center is processed with, one end is the plane, the other end is processed with boss, wherein threeway depression bar inner chamber is provided with the threeway circular hole big slightly than the two ends circular hole, and the midsection of threeway circular hole is provided with circular hole.
Described O-ring seals is installed on the boss of two elongated depression bars, two logical short depression bars and threeway depression bar (5), and under the situation of pressurized not, its cylindrical should be slightly less than the cylindrical of each depression bar.
The utility model expands O-ring seal by a minute multistage compression, thereby can a plurality of cross sections in the interior circular holes such as engine body main oil gallery effectively be sealed.
Owing to adopt above-mentioned technical scheme, the utlity model has following beneficial effect:
1, simple in structure, easy to operate;
2, adjust fast, seal reliable;
3, cost of manufacture is cheap.
Description of drawings
Fig. 1 is the structural representation of the stifled tool of circular hole in the sealing of the utility model expansion chuck multi-section.
Fig. 2 is the left view of the stifled tool of circular hole in the sealing of the utility model expansion chuck multi-section.
Fig. 3 is the A-A sectional view of the stifled tool of circular hole in the sealing of the utility model expansion chuck multi-section.
Fig. 4 is the B-B sectional view of the stifled tool of circular hole in the sealing of the utility model expansion chuck multi-section.
Fig. 5 is the synoptic diagram of the stifled tool plug weldment of circular hole in the sealing of the utility model expansion chuck multi-section.
Fig. 6 is the synoptic diagram of the stifled tool pivoted housing weldment of circular hole in the sealing of the utility model expansion chuck multi-section.
Fig. 7 is the synoptic diagram of the stifled tool gland of circular hole in the sealing of the utility model expansion chuck multi-section.
Fig. 8 is the synoptic diagram of the stifled tool threeway depression bar of circular hole in the sealing of the utility model expansion chuck multi-section.
Among the figure: 1, stop screw; 2, pivoted housing weldment; 3, gland; 4, two elongated depression bars; 5, threeway depression bar; 6, two logical short depression bars; 7, Thrust nut; 8, O-ring seals; 9, plug weldment; 10, depth adjustment swivel nut; 11, set nut; 12, guide spiro rod; 13, stop up; 14, steel pipe; 15, depth adjustment screw rod; 16, water pipe head; 17, pivoted housing; 18, rotary handle.
Embodiment
As Fig. 1-shown in Figure 8, the stifled tool of circular hole in the sealing of the utility model expansion chuck multi-section, comprise stop screw 1, pivoted housing weldment 2, gland 3, two elongated depression bars 4, threeway depression bar 5, two logical short depression bars 6, Thrust nut 7, O-ring seals 8 and plug weldment 9, plug weldment 9 is a trifid structure, the center screw of wherein big end one fork is equipped with stop screw 1, and external screw teeth is equipped with pivoted housing weldment 2; An elongated fork is equipped with gland 3, two elongated depression bars 4, O-ring seals 8, two logical short depression bars 6, threeway depression bar 5, Thrust nut 7 successively, and wherein O-ring seals 8 is contained on the boss of each depression bar; Depth adjustment swivel nut 10 and set nut 11 are housed on the screw rod of another fork.
Wherein plug weldment 9 is made of guide spiro rod 12, steel pipe 14, water pipe head 16, obstruction 13 and depth adjustment screw rod 15; Steel pipe 14 on the plug weldment 9 adopts the stainless steel thin-wall seamless steel pipe manufacturing, one end is the plane, one end has boss, steel pipe 14 has the center hole of boss one end and guide spiro rod 12 1 ends to align to weld together, the other end is welded with and stops up 13, the circular hole at guide spiro rod 12 cylindricals middle part is welded with water pipe head 16, is welded with depth adjustment screw rod 15 towards steel pipe 14 directions in the water pipe head 16.
Wherein pivoted housing weldment 2 comprises pivoted housing 17 and rotary handle 18, and rotary handle 18 is welded on the circular hole of pivoted housing 17 cylindricals.
Described gland 3 cylindricals are provided with the water pipe head slot to make way of opening.
Described two elongated depression bar 4, two logical short depression bars 6 and threeway depression bar 5 are nylon material and make, the circular hole that connects before and after each depression bar center is processed with, one end is the plane, the other end is processed with boss, wherein threeway depression bar 5 inner chambers are provided with the threeway circular hole big slightly than the two ends circular hole, and the midsection of threeway circular hole is provided with circular hole.
Described O-ring seals 8 is installed on the boss of two elongated depression bars, 4, two logical short depression bars 6 and threeway depression bar 5, and under the situation of pressurized not, its cylindrical is slightly less than the cylindrical of each depression bar.
During use, adjusting stifled tool by depth adjustment swivel nut 10 earlier discloses into the degree of depth, and with set nut 11 locking, to block up the elongated fork of tool again discloses in the into interior circular hole, clockwise rotate pivoted housing weldment 2 by rotary handle 18, make it displacement and promote gland 3, two elongated depression bars 4, two logical short depression bars 6, O-ring seals 8, threeway depression bar 5, in pivoted housing weldment 2 rotation processes, owing to stopped by Thrust nut 7, limited each part displacement, O-ring seals 8 is squeezed and swells, internally circular hole carries out shutoff, from water pipe head 16 input the liquid of certain pressure is arranged, forms the fluid Shu Jinhang test of practicing shooting from the ejection of engine cool nozzle by plug weldment 9 inner chambers, finish test after, unscrew earlier pivoted housing weldment 2 counterclockwise, make O-ring seals 8 homings, can easily take out, finish the test of practicing shooting blocking up tool.
Because the plugging effect in stifled tool each cross section in interior circular hole is better, can satisfy the target practice testing requirements fully from the fluid bundle pressure of cooling jet ejection, and can with pipeline that water pipe head 16 is connected in the pressure that operation valve is controlled input liquid is installed, control comparatively accurately to reach convection cell bundle pressure, avoid fluid bundle pressure excessive or too small, so more help the test of practicing shooting.
It should be noted that at last: above embodiment only in order to the explanation the utility model and and the described technical scheme of unrestricted the utility model; Therefore, although this instructions has been described in detail the utility model with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the utility model; And all do not break away from the technical scheme and the improvement thereof of spirit and scope of the present utility model, and it all should be encompassed in the claim scope of the present utility model.
Claims (6)
1, the stifled tool of circular hole in a kind of expansion chuck multi-section sealing, comprise plug weldment (9), it is characterized in that: described plug weldment (9) is a trifid structure, and the center screw of wherein big end one fork is equipped with stop screw (1), and external screw teeth is equipped with pivoted housing weldment (2); An elongated fork is equipped with gland (3), two elongated depression bars (4), O-ring seals (8), two logical short depression bar (6), threeway depression bar (5) and Thrust nuts (7) successively, and wherein O-ring seals (8) is contained on the boss of each depression bar; Depth adjustment swivel nut (10) and set nut (11) are housed on the screw rod of another fork.
2, the stifled tool of circular hole in the expansion chuck multi-section sealing as claimed in claim 1, it is characterized in that: described plug weldment (9) is made of guide spiro rod (12), steel pipe (14), water pipe head (16), obstruction (13) and depth adjustment screw rod (15); Described steel pipe (14) is the stainless steel thin-wall seamless steel pipe, and an end is the plane, and an end has boss; Steel pipe (14) has the center hole of boss one end and guide spiro rod (12) one ends to align to weld together, the other end is welded with obstruction (13), the circular hole at guide spiro rod (12) cylindrical middle part is welded with water pipe head (16), and water pipe head (16) is gone up and is welded with depth adjustment screw rod (15) towards steel pipe (14) direction.
3, the stifled tool of circular hole in the expansion chuck multi-section sealing as claimed in claim 2, it is characterized in that: described pivoted housing weldment (2) comprises pivoted housing (17) and rotary handle (18), and described rotary handle (18) is welded on the circular hole of pivoted housing (17) cylindrical.
4, the stifled tool of circular hole in the expansion chuck multi-section sealing as claimed in claim 3, it is characterized in that: described gland (3) cylindrical is provided with the water pipe head slot to make way of opening.
5, the stifled tool of circular hole in the expansion chuck multi-section sealing as claimed in claim 4, it is characterized in that: described two elongated depression bars (4), two logical short depression bars (6) and threeway depression bar (5) are nylon material and make, the circular hole that connects before and after each depression bar center is processed with, one end is the plane, the other end is processed with boss, wherein threeway depression bar (5) inner chamber is provided with the threeway circular hole big slightly than the two ends circular hole, and the midsection of threeway circular hole is provided with circular hole.
6, the stifled tool of circular hole in the expansion chuck multi-section sealing as claimed in claim 5, it is characterized in that: described O-ring seals (8) is installed on the boss of two elongated depression bars (4), two logical short depression bars (6) and threeway depression bar (5), and its cylindrical is slightly less than the cylindrical of each depression bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201875932U CN201130108Y (en) | 2007-12-26 | 2007-12-26 | Expansion type multi-cross section seal inner round hole blocking tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201875932U CN201130108Y (en) | 2007-12-26 | 2007-12-26 | Expansion type multi-cross section seal inner round hole blocking tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201130108Y true CN201130108Y (en) | 2008-10-08 |
Family
ID=40017968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201875932U Expired - Fee Related CN201130108Y (en) | 2007-12-26 | 2007-12-26 | Expansion type multi-cross section seal inner round hole blocking tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201130108Y (en) |
-
2007
- 2007-12-26 CN CNU2007201875932U patent/CN201130108Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20131226 |