CN202659679U - Fastening screw with pressing force display - Google Patents
Fastening screw with pressing force display Download PDFInfo
- Publication number
- CN202659679U CN202659679U CN 201220260901 CN201220260901U CN202659679U CN 202659679 U CN202659679 U CN 202659679U CN 201220260901 CN201220260901 CN 201220260901 CN 201220260901 U CN201220260901 U CN 201220260901U CN 202659679 U CN202659679 U CN 202659679U
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- screw
- piston
- rod
- pressure
- end cap
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- Expired - Lifetime
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- 238000003825 pressing Methods 0.000 title abstract description 13
- 230000003116 impacting effect Effects 0.000 claims description 36
- 238000009530 blood pressure measurement Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model relates to a fastening screw with a pressing force display. The fastening screw comprises a handle, a rod body, a first piston, a second piston, a hollow screw, a knockout pin, pressure oil and a pressure gauge, wherein a cylinder body, a pressure measuring screw hole, a first end cover and a second end cover are arranged on the rod body, the pressure oil is filled in the space formed by the first piston and the second piston and the cylinder body, the pressure gauge is screwed into the pressure measuring screw hole in the rod body, a pressure measuring hole of the pressure gauge is communicated with the pressure oil, the top end of the first screw rod supports against the first piston, the hollow screw is arranged on the second end cover, the knockout pin capable of sliding is arranged in the hollow screw, and the end head of the top rod protrudes from the inside of the hollow screw to be pressed on a part to be fastened.
Description
Technical field
The utility model relates to a kind of fastening screw, especially a kind of fastening screw with the impacting force demonstration.
Background technique
In automatic line and automation equipment, fastening screw is used in a large number, top with fastening screw, parts are fixed, or several parts are fixed together, impacting force for the top of fastening screw generally has certain requirement, to avoid impacting force excessive, and the damage parts, or avoiding fastening force too small, and fastening not firm, general fastening screw is not with the impacting force Presentation Function, fastening screw is the experiences that rely on the operator, according to the torque of the spanner that rotates fastening screw in most use occasions, judge the size of the impacting force on fastening screw top, grasp voluntarily the size of impacting force and since between fastening screw and the nut because of material different and processing technology different, the frictional force between them also is not quite similar, so this method is very inaccurate, owing to this reason, even used moment to show spanner, also can't ensure the accuracy of actual impacting force on the top of fastening screw.
Summary of the invention
In the Manufacture and application field of fastening screw, in order to make the accurately controlled of fastening screw top impacting force, the invention provides a kind of fastening screw with the impacting force demonstration.
The technical solution adopted for the present invention to solve the technical problems is: with the fastening screw of impacting force demonstration, this screw rod comprises handle, the body of rod, first piston, the second piston, cored screw, push rod, pressure oil and pressure gauge, cylinder body is arranged on the body of rod, the pressure measurement screw, the first end cap and the second end cap, the first seal ring is arranged on the first piston, the second seal ring is arranged on the second piston, pressure oil is filled with first piston, in the space that the second piston and cylinder body form, in the pressure measurement screw on the pressure gauge screw-in body of rod, manometric pressure tap and pressure oil UNICOM, the first end cap adopts a kind of mode be threaded in compressing with bolt to be fastened on the body of rod, the first screw rod is arranged on the handle, the first screw rod screws in the screw thread of the first end cap, the top of the first screw rod withstands on the first piston, the second end cap adopts a kind of mode be threaded in compressing with bolt to be fastened on the body of rod, on the second end cap cored screw is installed, adopt between cored screw and the second end cap be fixedly connected with and be threaded in a kind of mode link together, there is the push rod that can slide the inside of cored screw, one end of push rod withstands on the second piston, the other end of push rod leans out from the inside of cored screw, and the push rod that leans out is pressed in to be needed on the compacted parts.
During use, cored screw is screwed in the fixing nut, and push rod is contacted with needing compacted parts, towards a direction rotation handle, the first screw rod rotates inwards, the first screw rod is exerted pressure to first piston, first piston passes to pressure oil to pressure, pressure oil passes to the second piston with pressure, the second piston promotes push rod, push rod will need compacted parts to compress, and pressure gauge shows the pressure of pressure oil, and this pressure equals impacting force and the frictional force sum of piston in cylinder body of push rod, because the frictional force of piston is very little, so this pressure is approximately equal to push rod to the impacting force of compacted parts, rotatable handle can reduce or discharge impacting force to another way.
The invention has the beneficial effects as follows this fastening screw with the impacting force demonstration, when providing impacting force to fastened parts, can also show intuitively impacting force, easy to use, because the technical measures that this invention is taked all are mature and feasible, so can realize.
Description of drawings
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is first example structure schematic representation of the present invention.
Fig. 2 is second example structure schematic representation of the present invention.
Fig. 3 is the 3rd example structure schematic representation of the present invention.
Fig. 4 is the 4th example structure schematic representation of the present invention.
Fig. 5 is the 5th example structure schematic representation of the present invention.
Fig. 6 is the 6th example structure schematic representation of the present invention.
1. bodies of rod among the figure, 2. the first screw, 3. the second screw, 4. pressure measurement screw, 5. cylinder body, 6. first piston, 7. the first screw, 8. the first pressing plate, 9. the first seal ring, 10. the second piston, 11. second screws, 12. second pressing plates, 13. the second seal ring, 14. first end caps, 15. fastener holes, 16. second end caps, 17. fastener hole, 18. handles, 19. first screw rods, 20. cored screws, 21. push rod, 22. terminations, 23. pressure gauges, 24. pressure measurement screws, 25. pressure oil, 26. nuts, 27. nuts, 28. nuts, 29. bolt, 30. bolts, 31. pipe joints, 32. pressure tube, 33. screw threads, 34. screw threads, 35. pole cap, 36. bolts, 37. bolts.
Embodiment
In Fig. 1, cylinder body 5 is arranged on the body of rod 1, pressure measurement screw 24, the first end cap 14 and the second end cap 16, on the first end cap 14 fastener hole 15 is arranged, be used for screwing the first end cap 13, on the second end cap 16 fastener hole 17 is arranged, be used for screwing the second end cap 16, the first seal ring 9 is arranged on the first piston 6, the first screw 7 compresses the first pressing plate 8, the first pressing plate 8 makes the first seal ring 9 produce resiliently deformable to sealing between first piston 6 and the cylinder body 5, the second seal ring 13 is arranged on the second piston 10, the second screw 11 compresses the second pressing plate 12, the second pressing plate 12 makes the second seal ring 13 produce resiliently deformable to sealing between the second piston 10 and the cylinder body 5, pressure oil 25 is filled with first piston 6, in the space that the second piston 10 and cylinder body 5 form, in the pressure measurement screw 24 that pressure gauge 23 screws on the body of rod 1, the pressure tap of pressure gauge 23 and pressure oil 25 UNICOMs, the first end cap 14 is fastened on the body of rod by the first screw 2, the first screw rod 19 is arranged on the handle 18, the first screw rod 19 screws in the screw thread of the first end cap 14, the top of the first screw rod 19 withstands on the first piston 6, the second end cap 16 is fastened on the body of rod 1 by the second screw 3, on the second end cap 16 cored screw 20 is installed, adopt between cored screw 20 and the second end cap 16 and be threaded togather, there is the push rod 21 that can slide the inside of cored screw 20, one end of push rod 21 withstands on the second piston 10, stretch out from the center of cored screw 20 termination 22 of push rod 21, during use, cored screw 20 is screwed in the fixing nut, the termination 22 of push rod 21 is contacted with needing compacted parts, towards a direction rotation handle 18, the first screw rod 19 rotates inwards, 19 pairs of first pistons 6 of the first screw rod are exerted pressure, first piston 6 passes to pressure oil 25 to pressure, pressure oil 25 passes to the second piston 10 with pressure, the second piston 10 promotes push rod 21, the termination 22 of push rod 21 will need compacted parts to compress, pressure gauge 23 shows the pressure of pressure oil 25, this pressure equals impacting force and the frictional force sum of the second piston 10 in cylinder body 5 of termination 22, because the frictional force of the second piston 10 is very little, so this pressure is approximately equal to the impacting force of 21 pairs of compacted parts of push rod, rotatable handle 18 to another way, can reduce or discharge impacting force.
In Fig. 2, cylinder body 5 is arranged on the body of rod 1, pressure measurement screw 24, the first end cap 14 and the second end cap 16, on the first end cap 14 nut 27 is arranged, nut 27 is used for screwing the first end cap 13, on the second end cap 16 nut 28 is arranged, nut 28 is used for screwing the second end cap 16, the first seal ring 9 is arranged on the first piston 6, the first screw 7 compresses the first pressing plate 8, the first pressing plate 8 makes the first seal ring 9 produce resiliently deformable to sealing between first piston 6 and the cylinder body 5, the second seal ring 13 is arranged on the second piston 10, the second screw 11 compresses the second pressing plate 12, the second pressing plate 12 makes the second seal ring 13 produce resiliently deformable to sealing between the second piston 10 and the cylinder body 5, pressure oil 25 is filled with first piston 6, in the space that the second piston 10 and cylinder body 5 form, in the pressure measurement screw 24 that pressure gauge 23 screws on the body of rod 1, the pressure tap of pressure gauge 23 and pressure oil 25 UNICOMs, the first end cap 14 is fastened on the body of rod by the first screw 2, the first screw rod 19 is arranged on the handle 18, the first screw rod 19 screws in the screw thread of the first end cap 14, the top of the first screw rod 19 withstands on the first piston 6, the second end cap 16 is fastened on the body of rod 1 by the second screw 3, on the second end cap 16 cored screw 20 is installed, adopt between cored screw 20 and the second end cap 16 and be threaded togather, there is the push rod 21 that can slide the inside of cored screw 20, one end of push rod 21 withstands on the second piston 10, stretch out from the center of cored screw 20 termination 22 of push rod 21, during use, cored screw 20 is screwed in the fixing nut, the termination 22 of push rod 21 is contacted with needing compacted parts, towards a direction rotation handle 18, the first screw rod 19 rotates inwards, 19 pairs of first pistons 6 of the first screw rod are exerted pressure, first piston 6 passes to pressure oil 25 to pressure, pressure oil 25 passes to the second piston 10 with pressure, the second piston 10 promotes push rod 21, the termination 22 of push rod 21 will need compacted parts to compress, pressure gauge 23 shows the pressure of pressure oil 25, this pressure equals impacting force and the frictional force sum of the second piston 10 in cylinder body 5 of termination 22, because the frictional force of the second piston 10 is very little, so this pressure is approximately equal to the impacting force of 21 pairs of compacted parts of push rod, rotatable handle 18 to another way, can reduce or discharge impacting force.
In Fig. 3, cylinder body 5 is arranged on the body of rod 1, pressure measurement screw 24, the first end cap 14 and the second end cap 16, the first end cap 14 usefulness bolts 29 are fixed on the body of rod 1, the second end cap 16 usefulness bolts 30 are fixed on the body of rod 1, the first seal ring 9 is arranged on the first piston 6, the second seal ring 13 is arranged on the second piston 10, pressure oil 25 is filled with first piston 6, in the space that the second piston 10 and cylinder body 5 form, in the pressure measurement screw 24 that pressure gauge 23 screws on the body of rod 1, the pressure tap of pressure gauge 23 and pressure oil 25 UNICOMs, the first end cap 14 is fastened on the body of rod by the first screw 2, the first screw rod 19 is arranged on the handle 18, the first screw rod 19 screws in the screw thread of the first end cap 14, the top of the first screw rod 19 withstands on the first piston 6, the second end cap 16 is fastened on the body of rod 1 by the second screw 3, on the second end cap 16 cored screw 20 is installed, adopt between cored screw 20 and the second end cap 16 and be threaded togather, there is the push rod 21 that can slide the inside of cored screw 20, one end of push rod 21 withstands on the second piston 10, stretch out from the center of cored screw 20 termination 22 of push rod 21, during use, cored screw 20 is screwed in the fixing nut, the termination 22 of push rod 21 is contacted with needing compacted parts, towards a direction rotation handle 18, the first screw rod 19 rotates inwards, 19 pairs of first pistons 6 of the first screw rod are exerted pressure, first piston 6 passes to pressure oil 25 to pressure, pressure oil 25 passes to the second piston 10 with pressure, the second piston 10 promotes push rod 21, the termination 22 of push rod 21 will need compacted parts to compress, pressure gauge 23 shows the pressure of pressure oil 25, this pressure equals impacting force and the frictional force sum of the second piston 10 in cylinder body 5 of termination 22, because the frictional force of the second piston 10 is very little, so this pressure is approximately equal to the impacting force of 21 pairs of compacted parts of push rod, rotatable handle 18 to another way, can reduce or discharge impacting force.
In Fig. 4, cylinder body 5 is arranged on the body of rod 1, pressure measurement screw 24, the first end cap 14 and the second end cap 16, the first end cap 14 usefulness bolts 29 are fixed on the body of rod 1, the second end cap 16 usefulness bolts 30 are fixed on the body of rod 1, the first seal ring 9 is arranged on the first piston 6, the second seal ring 13 is arranged on the second piston 10, pressure oil 25 is filled with first piston 6, in the space that the second piston 10 and cylinder body 5 form, pressure gauge 23 is connected in the pressure measurement screw 24 by pressure tube 32 and pipe joint 31, the pressure tap of pressure gauge 23 and pressure oil 25 UNICOMs, the first end cap 14 is fastened on the body of rod by the first screw 2, the first screw rod 19 is arranged on the handle 18, the first screw rod 19 screws in the screw thread of the first end cap 14, the top of the first screw rod 19 withstands on the first piston 6, the second end cap 16 is fastened on the body of rod 1 by the second screw 3, on the second end cap 16 cored screw 20 is installed, adopt between cored screw 20 and the second end cap 16 and be threaded togather, there is the push rod 21 that can slide the inside of cored screw 20, one end of push rod 21 withstands on the second piston 10, stretch out from the center of cored screw 20 termination 22 of push rod 21, during use, cored screw 20 is screwed in the fixing nut, the termination 22 of push rod 21 is contacted with needing compacted parts, towards a direction rotation handle 18, the first screw rod 19 rotates inwards, 19 pairs of first pistons 6 of the first screw rod are exerted pressure, first piston 6 passes to pressure oil 25 to pressure, pressure oil 25 passes to the second piston 10 with pressure, the second piston 10 promotes push rod 21, the termination 22 of push rod 21 will need compacted parts to compress, pressure gauge 23 shows the pressure of pressure oil 25, this pressure equals impacting force and the frictional force sum of the second piston 10 in cylinder body 5 of termination 22, because the frictional force of the second piston 10 is very little, so this pressure is approximately equal to the impacting force of 21 pairs of compacted parts of push rod, rotatable handle 18 to another way, can reduce or discharge impacting force.
In Fig. 5, cylinder body 5 is arranged on the body of rod 1, pressure measurement screw 24, the first end cap 14 and the second end cap 16, the first end cap 14 is fixed on the body of rod 1 by screw thread 33, on the first end cap 14 nut 27 is arranged, nut 27 is used for screwing the first end cap 14, the second end cap 16 is fixed on the body of rod 1 by screw thread 34, on the second end cap 16 nut 28 is arranged, nut 28 is used for screwing the second end cap 16, the first seal ring 9 is arranged on the first piston 6, the second seal ring 13 is arranged on the second piston 10, pressure oil 25 is filled with first piston 6, in the space that the second piston 10 and cylinder body 5 form, pressure gauge 23 is connected in the pressure measurement screw 24 by pressure tube 32 and pipe joint 31, the pressure tap of pressure gauge 23 and pressure oil 25 UNICOMs, the first end cap 14 is fastened on the body of rod by the first screw 2, the first screw rod 19 is arranged on the handle 18, the first screw rod 19 screws in the screw thread of the first end cap 14, the top of the first screw rod 19 withstands on the first piston 6, the second end cap 16 is fastened on the body of rod 1 by the second screw 3, on the second end cap 16 cored screw 20 is arranged, cored screw 20 and the second end cap 16 are structure as a whole, there is the push rod 21 that can slide the inside of cored screw 20, one end of push rod 21 has pole cap 35, pole cap 35 withstands on the second piston 10, stretch out from the center of cored screw 20 termination 22 of push rod 21, during use, cored screw 20 is screwed in the fixing nut, the termination 22 of push rod 21 is contacted with needing compacted parts, towards a direction rotation handle 18, the first screw rod 19 rotates inwards, 19 pairs of first pistons 6 of the first screw rod are exerted pressure, first piston 6 passes to pressure oil 25 to pressure, pressure oil 25 passes to the second piston 10 with pressure, the second piston 10 promotes push rod 21, the termination 22 of push rod 21 will need compacted parts to compress, pressure gauge 23 shows the pressure of pressure oil 25, this pressure equals impacting force and the frictional force sum of the second piston 10 in cylinder body 5 of termination 22, because the frictional force of the second piston 10 is very little, so this pressure is approximately equal to the impacting force of 21 pairs of compacted parts of push rod, rotatable handle 18 to another way, can reduce or discharge impacting force.
In Fig. 6, cylinder body 5 is arranged on the body of rod 1, pressure measurement screw 24, the first end cap 14 and the second end cap 16, the first end cap 14 is fixed on the body of rod 1 by bolt 36, the second end cap 16 is fixed on the body of rod 1 by bolt 37, the first seal ring 9 is arranged on the first piston 6, the second seal ring 13 is arranged on the second piston 10, pressure oil 25 is filled with first piston 6, in the space that the second piston 10 and cylinder body 5 form, pressure gauge 23 is connected in the pressure measurement screw 24 by pressure tube 32 and pipe joint 31, the pressure tap of pressure gauge 23 and pressure oil 25 UNICOMs, the first end cap 14 is fastened on the body of rod by the first screw 2, the first screw rod 19 is arranged on the handle 18, the first screw rod 19 screws in the screw thread of the first end cap 14, the top of the first screw rod 19 withstands on the first piston 6, the second end cap 16 is fastened on the body of rod 1 by the second screw 3, on the second end cap 16 cored screw 20 is arranged, cored screw 20 and the second end cap 16 are structure as a whole, there is the push rod 21 that can slide the inside of cored screw 20, one end of push rod 21 has pole cap 35, pole cap 35 withstands on the second piston 10, stretch out from the center of cored screw 20 termination 22 of push rod 21, during use, cored screw 20 is screwed in the fixing nut, the termination 22 of push rod 21 is contacted with needing compacted parts, towards a direction rotation handle 18, the first screw rod 19 rotates inwards, 19 pairs of first pistons 6 of the first screw rod are exerted pressure, first piston 6 passes to pressure oil 25 to pressure, pressure oil 25 passes to the second piston 10 with pressure, the second piston 10 promotes push rod 21, the termination 22 of push rod 21 will need compacted parts to compress, pressure gauge 23 shows the pressure of pressure oil 25, this pressure equals impacting force and the frictional force sum of the second piston 10 in cylinder body 5 of termination 22, because the frictional force of the second piston 10 is very little, so this pressure is approximately equal to the impacting force of 21 pairs of compacted parts of push rod, rotatable handle 18 to another way, can reduce or discharge impacting force.
Those of ordinary skill in the art should be realized that, although 6 embodiments have only been described in the front, but they are not form of ownership of the present invention, it should be understood that, in the situation that does not deviate from the spirit and scope of the present invention, can make many modifications, as change the means of fixation of the first end cap and the second end cap and the body of rod, adopt the fixing and fixing means of fixation of mixing of screw thread of screw, with the fixing end cap of bolt, change the shape of the body of rod in the side, adopt circular, square other form such as grade, change the structural type of first piston and the second piston, adopt the mixing sealing means of pressing plate for sealing and fixing seal, increase or reduce bolt, the quantity of nut, etc., obviously, those skilled in the art does not break away from design of the present invention can implement the present invention with other form, thereby other embodiment is also in the scope of claim of the present invention.
Claims (1)
1. fastening screw that shows with impacting force, this screw rod comprises handle, the body of rod, first piston, the second piston, cored screw, push rod, pressure oil and pressure gauge, it is characterized in that: cylinder body is arranged on the body of rod, the pressure measurement screw, the first end cap and the second end cap, the first seal ring is arranged on the first piston, the second seal ring is arranged on the second piston, pressure oil is filled with first piston, in the space that the second piston and cylinder body form, in the pressure measurement screw on the pressure gauge screw-in body of rod, manometric pressure tap and pressure oil UNICOM, the first end cap adopts a kind of mode be threaded in compressing with bolt to be fastened on the body of rod, the first screw rod is arranged on the handle, the first screw rod screws in the screw thread of the first end cap, the top of the first screw rod withstands on the first piston, the second end cap adopts a kind of mode be threaded in compressing with bolt to be fastened on the body of rod, on the second end cap cored screw is installed, adopt between cored screw and the second end cap be fixedly connected with and be threaded in a kind of mode link together, there is the push rod that can slide the inside of cored screw, one end of push rod withstands on the second piston, the other end of push rod leans out from the inside of cored screw, and the push rod that leans out is pressed in to be needed on the compacted parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220260901 CN202659679U (en) | 2012-05-29 | 2012-05-29 | Fastening screw with pressing force display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220260901 CN202659679U (en) | 2012-05-29 | 2012-05-29 | Fastening screw with pressing force display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202659679U true CN202659679U (en) | 2013-01-09 |
Family
ID=47454588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220260901 Expired - Lifetime CN202659679U (en) | 2012-05-29 | 2012-05-29 | Fastening screw with pressing force display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202659679U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108498062A (en) * | 2018-04-26 | 2018-09-07 | 郑由周 | Colonoscopy sacculus |
| CN108756444A (en) * | 2018-05-23 | 2018-11-06 | 盐城市佰瑞达体育用品有限公司 | A kind of tent peg being easily installed |
-
2012
- 2012-05-29 CN CN 201220260901 patent/CN202659679U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108498062A (en) * | 2018-04-26 | 2018-09-07 | 郑由周 | Colonoscopy sacculus |
| CN108498062B (en) * | 2018-04-26 | 2024-03-22 | 郑由周 | Enteroscope saccule |
| CN108756444A (en) * | 2018-05-23 | 2018-11-06 | 盐城市佰瑞达体育用品有限公司 | A kind of tent peg being easily installed |
| CN108756444B (en) * | 2018-05-23 | 2024-03-22 | 盐城市佰瑞达体育用品有限公司 | Tent nail convenient to installation |
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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: 20130109 |
|
| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhang Li Document name: Notice of expiration and termination of patent right |
|
| DD01 | Delivery of document by public notice |