CN105619163A - Protecting device for threaded hole - Google Patents
Protecting device for threaded hole Download PDFInfo
- Publication number
- CN105619163A CN105619163A CN201610159429.4A CN201610159429A CN105619163A CN 105619163 A CN105619163 A CN 105619163A CN 201610159429 A CN201610159429 A CN 201610159429A CN 105619163 A CN105619163 A CN 105619163A
- Authority
- CN
- China
- Prior art keywords
- spanner
- threaded hole
- safety guard
- locking pull
- blocking
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a protecting device for a threaded hole and belongs to the field of hole protection. The threaded hole can be firmly protected. The protecting device comprises a base, a blocking wrench, a locking pull rod and an elastic rubber sleeve. The base is divided into an upper part and a lower part. The upper part is a blocking cover capable of covering the blocked hole, and the lower part is a blocking pillar capable of being plugged into the blocked hole. A mounting groove is formed in the upper surface of the blocking cover, and a through hole is formed in the position, from the bottom face of the mounting groove to the bottom face of the blocking pillar, in the blocking pillar in the axial direction. The blocking wrench is arranged in the mounting groove. The locking pull rod is arranged in the through hole of the blocking pillar, one end of the locking pull rod is connected with the blocking wrench, and the other end of the locking pull rod is provided with a blocking plate which can be plugged into the blocked hole. The part, between the blocking plate and the blocking pillar, of the locking pull rod is sleeved with the elastic rubber sleeve. The upward movement of the connecting point of the blocking wrench and the locking pull rod makes the elastic rubber sleeve in an extruded state, and the outer diameter of the extruded elastic rubber sleeve is larger than the inner diameter of the blocked hole. The protecting device is simple, fast, safe and effective, and the blocking quality and the working efficiency can be better improved.
Description
Technical field
The present invention relates to the safety guard in a kind of hole, especially relate to a kind of threaded hole safety guard.
Background technology
Along with China high-speed railway flourish, quality product, the production cycle of railway production is proposed higher requirement. Aluminium alloy compares ripe manufactured materials be widely applied in EMU as a kind of, due to the physical property of aluminum alloy materials itself, to be carried out necessary protection in production. In aluminium alloy motor-car, the specification of quality of anti-snakelike damper base is very strict, and the protection of the threaded hole above process finishing rear shock absorber seat also seems particularly important. Being distributed with some threaded holes on anti-snakelike damper base, the main purpose of threaded hole protection avoids outside foreign matter to enter in anti-snakelike damper base cavity, prevents screw thread to be damaged simultaneously.
The single anti-snakelike damper base base thread hole of CRH2 type is made up of two parts, and as shown in Figure 1, first part is thickness is 23mm aluminum alloy bottom plate 13, and material is A7N01P-T4, and eyelet diameter is 20mm, is positioned at the outside of anti-snakelike damper base; Second section is carbon steel screw seat 14, and threaded hole is M18mm, is positioned at the inner side of anti-snakelike damper base, and two portions thickness is 45mm altogether. After anti-snakelike damper base manufacture completes, again circulate through multiple operation at needs, parts manufacture, carry and deposit in process, the foreign matter of environment easily enters in anti-snakelike damper base by this threaded hole, the internal thread age of a draught animal may be caused to damage simultaneously, cause follow-up bolt to connect not firm.
If using nylon bolt to be fixed protection, its shortcoming be install, dismounting more loaded down with trivial details, and when nylon bolt is infected with upper greasy dirt, this kind of phenomenon is more outstanding, sometimes has to use other instruments and carries out auxiliary dismounting, and operation is very inconvenient, inefficiency.
Summary of the invention
Main purpose of the present invention is to solve the problem and deficiency, it provides a kind of simple and fast, safely and effectively threaded hole safety guard, is conducive to improving shutoff quality and working efficiency.
The present invention realizes like this, and a kind of threaded hole safety guard, comprising: pedestal, shutoff spanner, locking pull bar and elastic rubber sleeve; Wherein pedestal is divided into upper and lower two portions, and top is to hide by the stifled lid of plugging hole, and bottom is to fill in by the only shelves post of plugging hole; Described stifled cap upper surface is provided with installation groove, installs groove bottom and is provided with through hole vertically in only shelves post in shelves post bottom surface to end; Shutoff spanner is arranged on installation groove; Locking pull bar is placed in the through hole of only shelves post, and its one end is connected with shutoff spanner, and the other end is arranged can be filled in by the only shelves dish of plugging hole; Locking pull bar stops shelves dish and is only overlapping flexible glue cover between shelves post, and shutoff spanner makes elastic rubber sleeve be in squeezed state with the top offset of locking pull bar tie point, and the elastic rubber sleeve external diameter after extruding is greater than by plugging hole internal diameter.
During use, when there is not any displacement in installation groove in shutoff spanner, now elastic rubber sleeve is in free state or slight squeeze state, this safety guard is put into by the threaded hole of shutoff, action shutoff spanner, itself and the tie point of locking pull bar move, and cause to stop and move extruding elastic rubber sleeve on shelves dish, elastic rubber sleeve compress after to by plugging hole inwall extruding produce frictional force, thus make this safety guard firmly shutoff in threaded hole.
In order to reach better effect, a kind of threaded hole safety guard of the present invention, can adopt following measure:
1. shutoff spanner described in is L-type rotary spanner, is connected with locking pull bar by rotating shaft in its corner; The two sides of described installation groove are provided with longitudinal oblong slots, and rotating shaft two ends are stuck in oblong slots. When the L-type turning of shutoff spanner is in installation bottom land, when namely coupling shaft is in oblong slots lower limit, elastic rubber sleeve is in free state, and threaded hole safety guard freely movable can insert or take out; Pressing shutoff spanner downwards, rotating shaft is positioned at oblong slots upper limit, and elastic rubber sleeve is by only shelves dish and only shelves post squeezed state, and elastic rubber sleeve is to being extruded by plugging hole inwall thus produces frictional force, threaded hole safety guard firmly shutoff in threaded hole. The shutoff spanner of this kind of structure is mainly applicable to the bigger eyelet in aperture, reached antiplugging apparatus by bigger external force fixing.
2. shutoff spanner described in is that yi word pattern directly pulls out spanner. By directly to upper lifting shutoff spanner complete lock pull bar to top offset, when elastic rubber sleeve is compressed complete, in the horizontal direction rotate shutoff spanner, under the screen resilience effect of elastic rubber sleeve, shutoff spanner is positioned at stifled cap upper surface. The shutoff spanner of this kind of form is mainly applicable to the less eyelet in aperture, reached antiplugging apparatus by less external force fixing.
3. stifled lid described in and only shelves post are cylinder shape, and only the external diameter of shelves post mates with by plugging hole internal diameter.
4. described in, only shelves dish is metal disk, and its external diameter is with elastic rubber sleeve and only shelves post external diameter is identical. Like this that the squeezing effect of elastic rubber sleeve is best.
5. described in, lock the central hole that pull bar is arranged on only shelves post.
6. the material of pedestal described in is nylon.
7. installing groove circumference described in and all arrange the sidewall that encirclement yi word pattern directly pulls out spanner, sidewall is provided with the relative inverted L shape groove in two positions, and yi word pattern directly pulls out spanner two ends and is stuck in two grooves. The setting of sidewall is not only protected and is directly pulled out spanner so that it is not easily damage, and makes this safety guard regular shape, is convenient to stack, use, is also unlikely to be damaged to shutoff object. Sidewall is provided with the relative inverted L shape groove in two positions, make yi word pattern directly pull out spanner along the track of groove first carry out upwards displacement then level attitude be parked in positive stop end, thus spanner is located.
8. yi word pattern described in directly pulls out spanner and also comprises stingy bracelet, described stingy bracelet is sheet, it is arranged on locking pull bar top by rotating shaft, groove circumferential side wall top is installed be provided with and the breach that stingy bracelet shape picture mates, when yi word pattern directly pull out spanner be moved to inverted L shape groove horizontal direction limit position time, scratch bracelet position just corresponding with breach. Now stingy bracelet is pulled to side, play and prevent from locking pull bar rotation and effect attractive in appearance, also can protect simultaneously and directly pull out spanner so that it is not easily damage, and make this safety guard regular shape, be convenient to stack, use.
9. the positive stop end of the horizontal direction groove of inverted L shape groove described in is provided with positioning pit. Like this when directly pulling out spanner and forget about it final utilization position, conveniently directly pull out in the positioning pit that spanner drops on end, make directly to pull out spanner and be not easily slipped to home position and cause the shutoff of this safety guard to lose efficacy.
Threaded hole safety guard of the present invention, snakelike damper base base thread hole is resisted to avoid being subject to accidental destruction in manufacturing process mainly for CRH2 type EMU, avoid other foreign material to enter to design in closed cavity, it mainly utilizes the cylinder with threaded hole mating shapes to carry out the filling protection of threaded hole, utilize the change of the lower end cross-sectional area of cylinder to carry out the fixing of cylinder, effectively complete protection, fixing dual purpose, the protection question of aluminium alloy EMUs damper base threaded hole can be efficiently solved, improve and install, dismounting quality and efficiency, convenient and reliable operation.
During threaded hole safety guard of the present invention not only resists the big parts threaded hole of snakelike damper base base plate to protect for CRH2 type EMU, also can effectively other eyelets beyond various threaded hole even threaded hole be protected, structure is simple, easy to operate, it is to increase protection efficiency.
Accompanying drawing explanation
Fig. 1 is single anti-snakelike damper base base plate.
Fig. 2 is the explosive view of threaded hole safety guard embodiment one of the present invention.
Fig. 3 is the structure iron of pedestal in Fig. 2.
Fig. 4 is the structure iron that the non-sealed condition of threaded hole safety guard embodiment one of the present invention coordinates with threaded hole.
Fig. 5 is the structure iron that threaded hole safety guard embodiment one of the present invention coordinates with threaded hole in sealed condition.
Fig. 6 is the structure iron that the yi word pattern of threaded hole safety guard embodiment two of the present invention directly pulls out spanner and is connected with locking pull bar.
To be threaded hole safety guard embodiment two of the present invention directly pull out, at non-sealed condition pedestal and yi word pattern, the structure iron that spanner coordinates to Fig. 7.
To be threaded hole safety guard embodiment two of the present invention directly pull out what spanner coordinated structure iron at sealed condition pedestal and yi word pattern to Fig. 8.
In figure, each part number illustrates:
1-pedestal; 2-L type rotary spanner; 3-locks pull bar; 4-elastic rubber sleeve; 5-is shelves dish only; 6-rotating shaft; 7-installs groove; 8-spacing hole; 9-locks rod stroke penetrability circular hole; 10-is shelves post only; 11-pole; 12-scratches bracelet.
Embodiment
Embodiment one.
Below in conjunction with Fig. 1 to Fig. 5, screw thread of the present invention is protected block apparatus to be described in detail.
The shutoff spanner of this kind of structure is mainly applicable to the bigger eyelet in aperture, reached antiplugging apparatus by bigger external force fixing. Screw thread protection block apparatus described in the embodiment of the present invention one, forms primarily of plugging mechanism and locking mechanism two portions, and as shown in Figure 2, plugging mechanism is made up of pedestal 1; Locking mechanism comprises L-type rotary spanner 2, locking pull bar 3, elastic rubber sleeve 4, only shelves dish 5, rotating shaft 6.
As shown in Figure 3, pedestal 1 is the agent structure of screw thread of the present invention protection block apparatus, utilizes nylon material to make, is divided into upper and lower two portions. Top is stifled lid, plays the effect of shutoff eyelet, prevents foreign matter from entering from eyelet outside, and bottom is cylindrical only shelves post, and external diameter mates with by plugging hole internal diameter. Stifled cap upper surface has spanner stroke and installs groove 7, and both sides arrange spanner stroke limit hole 8, and centre has locking rod stroke penetrability circular hole 9, and circular hole 9 runs through shelves post 10 bottom surface to end along only shelves post 10 axle center.
L-type rotary spanner 2 is made up of metal material, is arranged on by rotating shaft 6 and installs in groove 7, and rotating shaft 6 two ends are stuck in spanner stroke limit hole 8. Opening and closing of L-type rotary spanner 2 can change upper and lower stroke, and when L-type rotary spanner 2 is in lower stroke, under this kind of state, the diameter of elastic rubber sleeve 4 does not change, it is possible to puts into from threaded hole freely and takes out; When spanner is in uplink state, under this kind of state, elastic rubber sleeve 4 diameter changes, and cannot put into freely and take out from threaded hole, completes the fixing of this safety guard.
The diameter of locking pull bar 3 and the circular hole 9 aperture coupling of pedestal 1, locking pull bar 3 is from top to bottom through in locking rod stroke penetrability circular hole 9. Locking pull bar 3 top is provided with through hole, is arranged in the middle part of rotating shaft 6 by locking pull bar 3 by this through hole.
Only shelves dish 5 be metal disk, its diameter and pedestal 1 only shelves post 10 bottom surface is consistent, stop shelves dish 5 and be fixed on the bottom locking pull bar 3. Locking pull bar 3 plays the effect connecting L-type rotary spanner 2 and stopping shelves dish 5. Along with the opening and closing of L-type rotary spanner 2, only shelves dish 5 moves thereupon together, as the only shelves end of elastic rubber sleeve 4, regulates its sectional area become big and reduce.
The rubber hose that elastic rubber sleeve 4 stops below shelves post 10 for being positioned at; It is enclosed within locking pull bar 3, above only shelves dish 5. When L-type rotary spanner 2 is in unlatching, elastic rubber sleeve 4 is in and launches state completely, and anti-snakelike damper base base thread protection block apparatus can freely take out in eyelet, as shown in Figure 4; When L-type rotary spanner 2 is in closed, elastic rubber sleeve 4 is in compressed state, expands in its cross section, elastic rubber sleeve 4 outside surface is adjacent to anti-snakelike damper base base thread eyelet inwall, as shown in Figure 5, utilize frictional force to prevent screw thread protection block apparatus from skidding off in hole, play protective effect.
When using threaded hole safety guard of the present invention, first safety guard is in opened condition, then safety guard is put into the threaded hole needing protection, after safety guard enters threaded hole completely, the L-type rotary spanner 2 of upper end is pressed down, make safety guard be in closing condition, complete the protection of threaded hole, fix. The present invention practices, and efficiently solves the protection question of aluminium alloy EMUs damper base threaded hole, and convenient and reliable operation, protection effect is good, it is to increase working efficiency. Utilize identical principle of design can carry out the protection of other different diameter threaded holes, there is good promotional value.
Embodiment two.
The tension mode that the principle of operation of this scheme and the key distinction of embodiment one are the take-up devices by locking pull bar 4 has been expanded, mainly it is applied to the less eyelet in aperture, uses less external force can reach the fixing of antiplugging apparatus, thus complete the protection object of eyelet.
Locking pull bar 4 Main change is: locking pull bar 4 top has two circular holes, the pole 11 of aperture coupling with it it is provided with in the circular hole of lower section, complete locking pull bar 4 in the circular hole that circular hole above being inserted by rotating shaft 6 is corresponding to stingy bracelet 12 to be connected with stingy bracelet 12, as shown in Figure 6. Scratch bracelet 12 and serve function easy to operate, rotation lock pull bar 4; The main effect of pole 11 is the stroke playing change, fixing and locking pull bar 4.
The change of pedestal 1 inside: the upper surface that pedestal 1 is installed groove increases the groove with pole 11 same diameter; Groove top is be the circular platform of diameter with pole 11 length. Pole 11 can sink in groove, it is possible to rotates arbitrarily after rising to circular platform.
The change of pedestal 1 outside: the degree of depth of groove and a platform part are formed at stifled cover outer wall and inverted "L" shaped run through opening, and pole 11 can move in the opening; Covering the position parallel with the upper shed of inverted "L" shaped opening, portion open a breach by stifled, its shape and shape size are identical with stingy bracelet 12, as shown in Figure 7.
During use, this safety guard being put into threaded hole, the stroke of locking pull bar 4 is relative to only shelves post 10 times ends are maximum, and pole 11 is in the bottom of inverted "L" shaped opening, scratches bracelet 12 and is in erectility; Then now holding stingy bracelet 12 and upwards carry locking pull bar 4, the stroke now locking pull bar 4 is relative to only shelves post 10 times ends are minimum, and pole 11 is in the top of " L " type opening; Again, holding stingy bracelet 12 and rotate counterclockwise, pole 11 rotates at the top horizontal of inverted "L" shaped opening, the stroke change of locking pull bar 4 is fixed; After finally the stroke change of locking pull bar 4 being fixed, being pulled to side by stingy bracelet 12, play and prevent from locking pull bar 4 rotation and effect attractive in appearance, whole operation terminates.
As mentioned above, it is necessary, scheme content given in conjunction with the accompanying drawings and embodiments, it is possible to derive and similar technical scheme. In every case being the content not departing from technical solution of the present invention, any simple modification, equivalent variations and the modification above embodiment done according to the technical spirit of the present invention, all still belongs in the scope of technical solution of the present invention.
Claims (10)
1. a threaded hole safety guard, it is characterised in that comprising: pedestal, shutoff spanner, locking pull bar and elastic rubber sleeve; Wherein pedestal is divided into upper and lower two portions, and top is to hide by the stifled lid of plugging hole, and bottom is to fill in by the only shelves post of plugging hole; Described stifled cap upper surface is provided with installation groove, installs groove bottom and is provided with through hole vertically in only shelves post in shelves post bottom surface to end; Shutoff spanner is arranged on installation groove; Locking pull bar is placed in the through hole of only shelves post, and its one end is connected with shutoff spanner, and the other end is arranged can be filled in by the only shelves dish of plugging hole; Locking pull bar stops shelves dish and is only overlapping flexible glue cover between shelves post, and shutoff spanner makes elastic rubber sleeve be in squeezed state with the top offset of locking pull bar tie point, and the elastic rubber sleeve external diameter after extruding is greater than by plugging hole internal diameter.
2. threaded hole safety guard as claimed in claim 1, it is characterised in that comprising: described shutoff spanner is L-type rotary spanner, is connected with locking pull bar by rotating shaft in its corner; The two sides of described installation groove are provided with longitudinal oblong slots, and rotating shaft two ends are stuck in oblong slots.
3. threaded hole safety guard as claimed in claim 1, it is characterised in that comprising: described shutoff spanner is that yi word pattern directly pulls out spanner.
4. threaded hole safety guard as claimed in claim 3, it is characterized in that comprising: described installation groove circumference is all arranged surrounds the sidewall that yi word pattern directly pulls out spanner, sidewall is provided with the relative inverted L shape groove in two positions, and yi word pattern directly pulls out spanner two ends and is stuck in two grooves.
5. threaded hole safety guard as claimed in claim 4, it is characterized in that comprising: described yi word pattern directly pulls out spanner and also comprises stingy bracelet, described stingy bracelet is sheet, it is arranged on locking pull bar top by rotating shaft, groove circumferential side wall top is installed be provided with and the breach that stingy bracelet shape picture mates, when yi word pattern directly pull out spanner be moved to inverted L shape groove horizontal direction limit position time, scratch bracelet position just corresponding with breach.
6. threaded hole safety guard as claimed in claim 4, it is characterised in that comprising: the positive stop end of the horizontal direction groove of described inverted L shape groove is provided with positioning pit.
7. threaded hole safety guard as described in as arbitrary in claim 1 to 6, it is characterised in that comprising: described stifled lid and only shelves post are cylinder shape, and only the external diameter of shelves post mates with by plugging hole internal diameter.
8. threaded hole safety guard as claimed in claim 7, it is characterised in that comprising: described only shelves dish is metal disk, its external diameter and elastic rubber sleeve and to stop shelves post external diameter identical.
9. threaded hole safety guard as claimed in claim 8, it is characterised in that comprising: described locking pull bar is arranged on the central hole of only shelves post.
10. threaded hole safety guard as claimed in claim 9, it is characterised in that comprising: the material of described pedestal is nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610159429.4A CN105619163A (en) | 2016-03-21 | 2016-03-21 | Protecting device for threaded hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610159429.4A CN105619163A (en) | 2016-03-21 | 2016-03-21 | Protecting device for threaded hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105619163A true CN105619163A (en) | 2016-06-01 |
Family
ID=56034710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610159429.4A Pending CN105619163A (en) | 2016-03-21 | 2016-03-21 | Protecting device for threaded hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105619163A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005132287A (en) * | 2003-10-31 | 2005-05-26 | Koyo Seiko Co Ltd | Rack shaft support device, sealing member and its manufacturing method |
| CN202693215U (en) * | 2012-07-12 | 2013-01-23 | 新兴重工湖北三六一一机械有限公司 | Hole sealing device for airtight test |
| CN203404554U (en) * | 2013-07-10 | 2014-01-22 | 奇瑞汽车股份有限公司 | Fast plugging device for unthreaded hole |
| CN103759006A (en) * | 2014-01-27 | 2014-04-30 | 安徽江淮汽车股份有限公司 | Internal expansion plugging device for cam shaft hole |
| CN103822045A (en) * | 2014-03-11 | 2014-05-28 | 济钢集团国际工程技术有限公司 | Dismountable pipeline plugging device |
| CN205465439U (en) * | 2016-03-21 | 2016-08-17 | 中车青岛四方机车车辆股份有限公司 | Screw hole protector |
-
2016
- 2016-03-21 CN CN201610159429.4A patent/CN105619163A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005132287A (en) * | 2003-10-31 | 2005-05-26 | Koyo Seiko Co Ltd | Rack shaft support device, sealing member and its manufacturing method |
| CN202693215U (en) * | 2012-07-12 | 2013-01-23 | 新兴重工湖北三六一一机械有限公司 | Hole sealing device for airtight test |
| CN203404554U (en) * | 2013-07-10 | 2014-01-22 | 奇瑞汽车股份有限公司 | Fast plugging device for unthreaded hole |
| CN103759006A (en) * | 2014-01-27 | 2014-04-30 | 安徽江淮汽车股份有限公司 | Internal expansion plugging device for cam shaft hole |
| CN103822045A (en) * | 2014-03-11 | 2014-05-28 | 济钢集团国际工程技术有限公司 | Dismountable pipeline plugging device |
| CN205465439U (en) * | 2016-03-21 | 2016-08-17 | 中车青岛四方机车车辆股份有限公司 | Screw hole protector |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20160601 |