CN203792227U - Tool for tightening internal hexagonal bolt - Google Patents
Tool for tightening internal hexagonal bolt Download PDFInfo
- Publication number
- CN203792227U CN203792227U CN201420135783.XU CN201420135783U CN203792227U CN 203792227 U CN203792227 U CN 203792227U CN 201420135783 U CN201420135783 U CN 201420135783U CN 203792227 U CN203792227 U CN 203792227U
- Authority
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- China
- Prior art keywords
- pedestal
- spanner
- tenon
- contiguous block
- center line
- 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.)
- Expired - Lifetime
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 125
- 238000006243 chemical reaction Methods 0.000 claims description 56
- 238000010030 laminating Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000009411 base construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to the field of mounting of nuclear power plants and provides a tool for tightening an internal hexagonal bolt in order to solve the problem that construction efficiency is lowered. The tool comprises an internal hexagonal wrench, a torque wrench and a conversing head. The torque wrench comprises a tenon and a handle; the internal hexagonal wrench comprises an operation portion and a holding portion; the conversing head comprises a right base, a left base, a fixed block and a connecting block; the right base and the left base are identical in structure and are parallelly arranged; the fixed block and the connecting block are fixed above the right base and the left base, and the connecting block is provided with a square hole for holding the tenon; a cavity for holding and fixing the internal hexagonal wrench is formed between the right base and the left base, so that the operation portion is enabled to be downwardly vertical with the vertical center line to be on the same straight line with the vertical center line of the tenon. The tool for tightening the internal hexagonal bolt is simple in structure; the conversing head can be manufactured in a short time, construction progress is guaranteed, and construction efficiency is improved.
Description
Technical field
The utility model relates to nuclear power station field is installed, and is specifically related to the fastened tools of the hexagon socket head cap screw above nuclear power station safety injection pump base plate.
Background technology
The installation of nuclear power station low pressure safety injection pump, needs the first M20 hexagon socket head cap screw above fastening safety injection pump base plate, then the pump housing in place and other annexes of installation.The screw-down torque value of M20 hexagon socket head cap screw to be tightened is generally 320Nm(ox rice) left and right.The instrument of the M20 hexagon socket head cap screw on current fastening safety injection pump base plate is torque spanner and interior Hexagonal jacket.In practice of construction, the ratio of the installment work meeting of low pressure safety injection pump is sometimes planned in advance, and at this moment, Hexagonal jacket is being taken by other departments, if purchase interior Hexagonal jacket by flow process, needs for three weeks, has a strong impact on the progress of work, reduces efficiency of construction.For this reason, in waiting for, Hexagonal jacket can be delayed progress, reduces efficiency of construction.
Utility model content
The problem being lowered in order to solve efficiency of construction, the utility model proposes a kind of instrument for fastening hexagon socket head cap screw, to realize, increases work efficiency, and guarantees construction speed object.
Instrument for fastening hexagon socket head cap screw of the present utility model, comprises conversion head, inner hexagon spanner and torque spanner; The described torque spanner side's of comprising tenon and handle; Described inner hexagon spanner comprises operating portion and handle portion; Described conversion head comprises right pedestal, left pedestal, fixed block and contiguous block, and the parallel placement identical with described left base construction of described right pedestal, described fixed block and described contiguous block be fixed on described right pedestal and described left pedestal above, described contiguous block is provided with the square opening that holds described side's tenon, between described right pedestal and described left pedestal, be formed with the cavity that holds and fix described inner hexagon spanner, make described operating portion vertically downward and the vertical center line of vertical center line and described side's tenon point-blank.
Tool construction for fastening hexagon socket head cap screw of the present utility model is simple, the raw material of conversion head are the common sheet material in job site, only need the time just can complete the making of conversion head, while there is no interior Hexagonal jacket at the construction field (site), do not spend wait, make the conversion head of an instrument for fastening hexagon socket head cap screw of the present utility model and construct, the instrument for fastening hexagon socket head cap screw of the present utility model can guarantee job schedule, increases work efficiency.And the center line of the center line of the operating portion of inner hexagon spanner and the square tenon of described torque spanner is point-blank, can calculate more accurately the moment values of loading, reach better fastening effect.
Wherein, the inner side of described left pedestal and the inner side of described right pedestal are provided with fixed block, the side of described fixed block and the laminating of the side of described inner hexagon spanner, one end of described fixed block is provided with inclined-plane, described inner hexagon spanner is put into the top of described operating portion after described cavity and is propped up described inclined-plane, makes the vertical center line of described operating portion and the vertical center line of described side's tenon point-blank.In installation process, can calculate more accurately the moment values being carried on bolt like this, make the fastening installation requirement that meets of bolt.
Wherein, described fixed block is provided with several bolts hole, and the position that described right pedestal and described left pedestal are corresponding with the bolt hole of described fixed block is also provided with bolt hole, together with described fixed block is bolted on described left pedestal with described right pedestal.Can make like this between left pedestal and right pedestal and fixed block be connected more firm.
Wherein, described contiguous block is provided with bolt hole, and the position that described right pedestal and described left pedestal are corresponding with the bolt hole of described contiguous block is also provided with bolt hole, together with described contiguous block is bolted on described left pedestal with described right pedestal.Can make like this between left pedestal and right pedestal and contiguous block be connected more firm.
Instrument for fastening hexagon socket head cap screw of the present utility model, comprises conversion head, inner hexagon spanner and torque spanner; The described torque spanner side's of comprising tenon and handle; Described inner hexagon spanner comprises operating portion and handle portion; Described conversion head comprises pedestal and contiguous block, described contiguous block be fixed on described pedestal above, described contiguous block is provided with the square opening that holds described side's tenon, below described pedestal, be provided with the through hole that holds and fix described inner hexagon spanner, make described operating portion vertically downward and the vertical center line of vertical center line and described side's tenon point-blank.
Conversion head of the present utility model only includes two assemblies, simple in structure, and the raw material of conversion head are the common sheet material in job site, only need the time just can complete the making of conversion head, while there is no interior Hexagonal jacket at the construction field (site), directly make a conversion head of the present utility model and construct, the utility model can guarantee job schedule, increases work efficiency.And the center line of the center line of the operating portion of inner hexagon spanner and the square tenon of described torque spanner is point-blank, can calculate more accurately the moment values of loading, can reach better fastening effect.
Wherein, in described pedestal, be provided with fixed block, the side of described fixed block and the laminating of the side of described inner hexagon spanner, described fixed block is provided with inclined-plane near one end of described contiguous block, described inner hexagon spanner is put into the top of described operating portion after described through hole and is propped up described inclined-plane, makes the vertical center line of operating portion and the vertical center line of described side's tenon point-blank.In installation process, can calculate more accurately the moment values being carried on bolt like this, make the fastening installation requirement that meets of bolt.
Wherein, described contiguous block is provided with bolt hole, and the position that described pedestal is corresponding with the bolt hole of described contiguous block is also provided with bolt hole, together with described contiguous block is bolted on described pedestal.Can increase like this steadiness whole between described pedestal and described contiguous block.
Instrument for fastening hexagon socket head cap screw of the present utility model, comprises inner hexagon spanner, conversion head and torque spanner; The described torque spanner side's of comprising tenon and handle; Described inner hexagon spanner comprises operating portion and handle portion; The upper surface of described conversion head is provided with the square groove that can hold described side's tenon; Described handle portion be fixedly welded on described conversion head below, make the vertical center line of operating portion of described inner hexagon spanner and the vertical center line of described side's tenon point-blank.
Conversion head of the present utility model be one with the cuboid of square groove, simple in structure, the raw material of conversion head are the common sheet material in job site, only need the time just can complete the making of conversion head, while there is no interior Hexagonal jacket at the construction field (site), do not spend wait, make a conversion head of the present utility model and construct, the utility model can guarantee job schedule, increases work efficiency.The center line of the center line of the operating portion of inner hexagon spanner and the square tenon of described torque spanner point-blank, like this in fastening bolt process, can calculate more accurately the moment values being carried on bolt, installation is met the requirements, reach the effect of fastening bolt better.
Wherein, conversion head be provided with below groove, described handle portion is fixedly welded in described groove.Like this handle portion is fixedly welded in groove, make between inner hexagon spanner and conversion head be connected more firm.
Accompanying drawing explanation
Fig. 1 is the overall schematic of the instrument for fastening hexagon socket head cap screw of the utility model the first embodiment;
Fig. 2 is the structural representation of the conversion head 114 of the utility model the first embodiment;
Fig. 3 is the schematic top plan view of the conversion head 114 of the utility model the first embodiment;
Fig. 4 is the three-dimensional cross-sectional schematic along Fig. 3 B-B direction;
Fig. 5 is the generalized section along Fig. 3 C-C direction;
Fig. 6 is the generalized section along Fig. 3 B-B direction;
Fig. 7 is the generalized section along Fig. 3 A-A direction;
Fig. 8 is the overall schematic of the instrument for fastening hexagon socket head cap screw of the utility model the second embodiment;
Fig. 9 is the structural representation of the conversion head 214 of the utility model the second embodiment;
Figure 10 is the generalized section along Fig. 9 D-D direction;
Figure 11 is the overall schematic of the instrument for fastening hexagon socket head cap screw of the third embodiment of the utility model;
Figure 12 is the structural representation of the conversion head 314 of the third embodiment of the utility model;
Figure 13 is the preferred structure schematic diagram of the conversion head 314 of the third embodiment of the utility model.
The specific embodiment
Fig. 1 is the overall schematic of the instrument for fastening hexagon socket head cap screw of the utility model the first embodiment, instrument 100 for fastening hexagon socket head cap screw comprises conversion head 114, inner hexagon spanner 109 and torque spanner 110, torque spanner 110 side's of comprising tenons 115 and handle 116, side's tenon 115 is positioned at torque spanner 110 heads, and handle 116 is for gripping torque spanner 110; Inner hexagon spanner 109 comprises operating portion 118 and handle portion 117, and handle portion 117 is orthogonal with operating portion 118.Fig. 2 is the structural representation of the conversion head 114 of the utility model the first embodiment, and conversion head 114 comprises right pedestal 102, left pedestal 103, fixed block 104 and contiguous block 105.The shape of right pedestal 102 and left pedestal 103 is identical with structure, and right pedestal 102 and left pedestal 103 placement parallel to each other, leave space between right pedestal 102 and left pedestal 103.Fixed block 104 is cuboid, fixed block 104 be fixed on right pedestal 102 and left pedestal 103 above, fixed block 104 is for being fixed together right pedestal 102 and left pedestal 103, for example fixed block 104 can be soldered on right pedestal 102 and left pedestal 103.Contiguous block 105 is cuboid, contiguous block 105 be fixed on right pedestal 102 and left pedestal 103 above, for example contiguous block 105 can be soldered on right pedestal 102 and left pedestal 103.Contiguous block 105 is provided with square opening 106, and square opening 106 can the side's of holding tenon 115, and square opening 106 can connect contiguous block 105, and contiguous block 105 also has the effect of fixing right pedestal 2 and left pedestal 3.
Between right pedestal 102 and left pedestal 103, be formed with and can hold and the fixing cavity of inner hexagon spanner 109, inner hexagon spanner 109 is put into after cavity, operating portion 118 vertically downward and the vertical center line of the vertical center line of operating portion 118 and square tenon 115 point-blank.Can calculate more accurately the value of the moment of loading like this, reach the effect of fastening bolt better.Like this, right pedestal 102, left pedestal 103, fixed block 104 and contiguous block 105 are fixed as one.Side's tenon 115 inserts in square opening 106, and inner hexagon spanner 109 is fixed between right pedestal 102 and left pedestal 103, and inner hexagon spanner 109, conversion head 114 and torque spanner 110 just connect into as a whole like this.
During use, with hand gripping handle 116, rotating torque spanner 110 just can drive conversion head 114 to rotate, thereby drives inner hexagon spanner 109 rotations with fastening hexagon socket head cap screw.
Introduce in detail the structure of conversion head 114 below.Because the shape of right pedestal 102 and left pedestal 103 is identical with structure, left pedestal 103 is introduced in detail, for right pedestal 102, introduce no longer in detail.
Fig. 3 is the schematic top plan view of the conversion head 114 of the utility model the first embodiment, Fig. 4 is the three-dimensional cross-sectional schematic along Fig. 3 B-B direction, the inner side of left pedestal 103 comprises vertical plane 121, left-leaning inclined-plane 122 and stationary plane 123, vertical plane 121 is positioned at the top of the inner side of left pedestal 103, the plane that vertical plane 121 is vertical direction, left-leaning inclined-plane 122 is 150 degree with the angle of vertical plane 121, stationary plane 123 is also the plane of vertical direction, and left-leaning inclined-plane 122 is 150 degree with the angle of stationary plane 123.On stationary plane 123, be provided with fixed block 120, the cross section of fixed block 120 is trapezoidal.The inner side of right pedestal 102 also includes stationary plane, is also provided with fixed block on stationary plane.Fig. 5 is the generalized section along Fig. 3 C-C direction, left-leaning inclined-plane 122 forms left groove 111 with the side of fixed block 120, the angle of two faces of left groove 111 is 120 degree, right pedestal 102 is also provided with right groove 112, between right pedestal 102 and left pedestal 103, form cavity 108 like this, inner hexagon spanner 109 is put into after cavity 108, two faces laminatings of two sides of inner hexagon spanner 109 1 sides and left groove 111, fit with two faces of right groove 112 in two sides of inner hexagon spanner 109 opposite sides.Inner hexagon spanner 109 is just in time positioned in cavity 108.During use, handle portion 117 is positioned in cavity 108, and operating portion 118 is vertically downward through cavity 108.
Fig. 6 is the generalized section along Fig. 3 B-B direction, Fig. 7 is the generalized section along Fig. 3 A-A direction, the side laminating of the side of fixed block 120 and inner hexagon spanner 109, fixed block 120 is provided with inclined-plane 107 near one end of contiguous block 105, inner hexagon spanner 109 is put into after cavity 108, the top of operating portion 118 props up described inclined-plane 107, makes in vertical direction the vertical center line of operating portion 118 and the vertical center line of square tenon 115 point-blank.The top of operating portion 118 refers to that operating portion 118 is near the position of handle portion 117.The fixed block of right pedestal 102 is also provided with inclined-plane.Fit with the inclined-plane of inclined-plane 107 and right pedestal 102 respectively in two sides on the top of operating portion 118.
In order to make the tool construction for fastening hexagon socket head cap screw of the present utility model more firm, fixed block 104 is provided with several bolts hole, the position that right pedestal 102 is corresponding with the bolt hole of fixed block 104 is also provided with bolt hole, together with fixed block 104 is bolted on right pedestal 102; The position that left pedestal 103 is corresponding with the bolt hole of fixed block 104 is also provided with bolt hole, together with fixed block 104 is bolted on left pedestal 103.Contiguous block 105 is also provided with bolt hole, and the position that right pedestal 102 is corresponding with the bolt hole of contiguous block 105 is also provided with bolt hole, together with contiguous block 105 is bolted on right pedestal 102; The position that left pedestal 103 is corresponding with the bolt hole of contiguous block 105 is also provided with bolt hole, together with contiguous block 105 is bolted on left pedestal 103.
Fig. 8 is the overall schematic of the instrument for fastening hexagon socket head cap screw of the utility model the second embodiment, for the instrument 200 of fastening hexagon socket head cap screw, comprises conversion head 214, inner hexagon spanner 209 and torque spanner 210.Torque spanner 210 side's of comprising tenons 215 and handle 216, square tenon 215 is positioned at torque spanner 210 heads, and handle 216 is for gripping torque spanner 210.Inner hexagon spanner 209 comprises operating portion 218 and handle portion 217.Fig. 9 is the structural representation of the conversion head 214 of the utility model the second embodiment, and conversion head 214 comprises pedestal 202 and contiguous block 205.Contiguous block 205 is cuboid, contiguous block 205 be fixed on pedestal 202 above, contiguous block 205 is provided with square opening 206, square opening 206 can the side's of holding tenon 215, square opening 206 can connect contiguous block 205.Pedestal 202 is provided with below and can holds and the fixing through hole 203 of inner hexagon spanner 209, the operating portion 218 that makes inner hexagon spanner 209 vertically downward and the vertical center line of the vertical center line of operating portion 218 and described side's tenon 215 point-blank.Side's tenon 215 inserts in square opening 206, and inner hexagon spanner 209 is fixed in the through hole 203 of pedestal 202, and inner hexagon spanner 209, conversion head 214 and torque spanner 210 just connect into as a whole like this.
During use, with hand gripping handle 216, rotating torque spanner 210 just can drive conversion head 214 to rotate, thereby drives inner hexagon spanner 209 rotations with fastening hexagon socket head cap screw.
In order to make the instrument overall structure for fastening hexagon socket head cap screw of the present utility model more firm, contiguous block 205 is provided with bolt hole, the position that pedestal 202 is corresponding with the bolt hole of contiguous block 205 is also provided with bolt hole, together with contiguous block 205 is bolted on pedestal 202.
Figure 10 is the generalized section along Fig. 9 D-D direction, pedestal 202 is provided with through hole 203, through hole 203 can hold and fixing inner hexagon spanner 209, and the handle portion 217 of inner hexagon spanner 209 is positioned in through hole 203, and the operating portion 218 of inner hexagon spanner 209 is vertically downward through through hole 203.In pedestal 202, be provided with fixed block 220, after inner hexagon spanner 209 is positioned in through hole 203, the side of the handle portion 217 of inner hexagon spanner 209 and the laminating of the side of fixed block 220, fixed block 220 is provided with inclined-plane 207 near one end of contiguous block 205.Inner hexagon spanner 209 is put into after through hole 203, and the top of operating portion 218 props up inclined-plane 207, makes the vertical center line of operating portion 218 and the vertical center line of square tenon 215 point-blank.An other part for the instrument for fastening hexagon socket head cap screw of the present utility model not representing in Figure 10 is also provided with inclined-plane, fits with inclined-plane in two sides on the top of operating portion 118.
Figure 11 is the overall schematic of the instrument for fastening hexagon socket head cap screw of the third embodiment of the utility model, for the instrument 300 of fastening hexagon socket head cap screw, comprises conversion head 314, inner hexagon spanner 309 and torque spanner 310.Conversion head 314 integral body are rectangle, torque spanner 310 side's of comprising tenons 315 and handle 316, and square tenon 315 is positioned at torque spanner 310 heads, and handle 316 is for gripping torque spanner 310.Inner hexagon spanner 309 comprises operating portion 318 and handle portion 317, handle portion 317 be fixedly welded on conversion head 314 below, make the vertical center line of operating portion 318 and the vertical center line of square tenon 315 point-blank.Figure 12 is the structural representation of the conversion head 314 of the third embodiment of the utility model, and the upper surface of conversion head 314 is provided with square groove 306, and square groove 306 can the side's of holding tenon 315.Side's tenon 315 inserts in square grooves 306, inner hexagon spanner 309 be fixed on conversion head 314 below, torque spanner 310, conversion head 314 and inner hexagon spanner 309 are just fixedly connected into as a whole like this.
During use, with hand gripping handle 316, rotating torque spanner 310 just can drive conversion head 314 to rotate, thereby drives inner hexagon spanner 309 rotations with fastening hexagon socket head cap screw.
Figure 13 is the preferred structure schematic diagram of the conversion head 314 of the third embodiment of the utility model, conversion head 314 be below provided with groove 303, groove 303 can hold a part for the handle portion 317 of inner hexagon spanner 309.Handle portion 317 is fixedly welded in groove 303, make between inner hexagon spanner 309 and conversion head 314 be connected more firm.
Claims (9)
1. for an instrument for fastening hexagon socket head cap screw, it is characterized in that, comprise conversion head (114), inner hexagon spanner (109) and torque spanner (110), described torque spanner (110) side's of comprising tenon (115) and handle (116), described inner hexagon spanner (109) comprises operating portion (118) and handle portion (117), described conversion head (114) comprises right pedestal (102), left pedestal (103), fixed block (104) and contiguous block (105), described right pedestal (102) and parallel placement identical with described left pedestal (103) structure, described fixed block (104) and described contiguous block (105) be fixed on described right pedestal (102) and described left pedestal (103) above, described contiguous block (105) is provided with the square opening (106) that holds described side's tenon (115), between described right pedestal (102) and described left pedestal (103), be formed with the cavity (108) that holds and fix described inner hexagon spanner (109), make described operating portion (118) vertically downward and the vertical center line of vertical center line and described side's tenon (115) point-blank.
2. the instrument for fastening hexagon socket head cap screw according to claim 1, it is characterized in that, the inner side of the inner side of described left pedestal (103) and described right pedestal (102) is provided with fixed block (120), the side laminating of the side of described fixed block (120) and described inner hexagon spanner (109), one end of described fixed block (120) is provided with inclined-plane (107), the top that described inner hexagon spanner (109) is put into the rear described operating portion (118) of described cavity (108) props up described inclined-plane (107), make the vertical center line of described operating portion (118) and the vertical center line of described side's tenon (115) point-blank.
3. the instrument for fastening hexagon socket head cap screw according to claim 1 and 2, it is characterized in that, described fixed block (104) is provided with several bolts hole, the position that described right pedestal (102) and described left pedestal (103) are corresponding with the bolt hole of described fixed block (104) is also provided with bolt hole, together with described fixed block (104) and described right pedestal (102) and described left pedestal (103) are bolted on.
4. the instrument for fastening hexagon socket head cap screw according to claim 1 and 2, it is characterized in that, described contiguous block (105) is provided with bolt hole, the position that described right pedestal (102) and described left pedestal (103) are corresponding with the bolt hole of described contiguous block (105) is also provided with bolt hole, together with described contiguous block (105) and described right pedestal (102) and described left pedestal (103) are bolted on.
5. for an instrument for fastening hexagon socket head cap screw, it is characterized in that, comprise conversion head (214), inner hexagon spanner (209) and torque spanner (210); Described torque spanner (210) side's of comprising tenon (215) and handle (216); Described inner hexagon spanner (209) comprises operating portion (218) and handle portion (217); Described conversion head (214) comprises pedestal (202) and contiguous block (205), described contiguous block (205) be fixed on described pedestal (202) above, described contiguous block (205) is provided with the square opening (206) that holds described side's tenon (215), described pedestal (202) is provided with the through hole (203) that holds and fix described inner hexagon spanner (209) below, make described operating portion (218) vertically downward and the vertical center line of vertical center line and described side's tenon (215) point-blank.
6. the instrument for fastening hexagon socket head cap screw according to claim 5, it is characterized in that, in described pedestal (202), be provided with fixed block (220), the side laminating of the side of described fixed block (220) and described inner hexagon spanner (209), described fixed block (220) is provided with inclined-plane (207) near one end of described contiguous block (205), the top that described inner hexagon spanner (209) is put into the rear described operating portion (218) of described through hole (203) props up described inclined-plane (207), make the vertical center line of operating portion (218) and the vertical center line of described side's tenon (215) point-blank.
7. according to the instrument for fastening hexagon socket head cap screw described in claim 5 or 6, it is characterized in that, described contiguous block (205) is provided with bolt hole, the position that described pedestal (202) is corresponding with the bolt hole of described contiguous block (205) is also provided with bolt hole, together with described contiguous block (205) is bolted on described pedestal (202).
8. for an instrument for fastening hexagon socket head cap screw, it is characterized in that, comprise inner hexagon spanner (309), conversion head (314) and torque spanner (310); Described torque spanner (310) side's of comprising tenon (315) and handle (316); Described inner hexagon spanner (309) comprises operating portion (318) and handle portion (317); The upper surface of described conversion head (314) is provided with the square groove (306) that can hold described side's tenon (315); Described handle portion (317) be fixedly welded on described conversion head (314) below, make the vertical center line of described operating portion (318) and the vertical center line of described side's tenon (315) point-blank.
9. the instrument for fastening hexagon socket head cap screw according to claim 8, it is characterized in that, below described conversion head (314), be provided with groove (303), the handle portion (317) of described inner hexagon spanner (309) is fixedly welded in described groove (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420135783.XU CN203792227U (en) | 2014-03-25 | 2014-03-25 | Tool for tightening internal hexagonal bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420135783.XU CN203792227U (en) | 2014-03-25 | 2014-03-25 | Tool for tightening internal hexagonal bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203792227U true CN203792227U (en) | 2014-08-27 |
Family
ID=51374493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420135783.XU Expired - Lifetime CN203792227U (en) | 2014-03-25 | 2014-03-25 | Tool for tightening internal hexagonal bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203792227U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415295A (en) * | 2014-09-20 | 2016-03-23 | 河北奥润顺达窗业有限公司 | Multifunctional hardware installing and debugging tool capable of serving as door/window handle |
-
2014
- 2014-03-25 CN CN201420135783.XU patent/CN203792227U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415295A (en) * | 2014-09-20 | 2016-03-23 | 河北奥润顺达窗业有限公司 | Multifunctional hardware installing and debugging tool capable of serving as door/window handle |
| CN105415295B (en) * | 2014-09-20 | 2017-04-19 | 河北奥润顺达窗业有限公司 | Multifunctional hardware installing and debugging tool capable of serving as door/window handle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |
|
| CX01 | Expiry of patent term |