CN211145046U - Engine bolt with high strength - Google Patents
Engine bolt with high strength Download PDFInfo
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- CN211145046U CN211145046U CN201922042156.7U CN201922042156U CN211145046U CN 211145046 U CN211145046 U CN 211145046U CN 201922042156 U CN201922042156 U CN 201922042156U CN 211145046 U CN211145046 U CN 211145046U
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- reinforcing
- fixing plate
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Abstract
An engine bolt with high strength comprises a bolt body, a bolt head arranged at the upper end of the bolt body and a first external thread arranged on the outer wall of the bolt body, wherein a reinforcing hole is formed in the bolt body and extends from the upper end of the bolt body to the lower part of the bolt body; the center of the upper surface of the screw head is provided with an installation screw hole which is coaxial with the reinforcing hole and is communicated with the reinforcing hole; the diameter of the mounting screw hole is larger than that of the reinforcing hole, and a limiting step is formed between the mounting screw hole and the reinforcing hole; a reinforcing column matched with the reinforcing hole is arranged in the reinforcing hole; the upper end of the reinforcing column is provided with a dismounting head which is positioned in the mounting screw hole; the outer peripheral surface of the dismounting head is provided with a second external thread, and the dismounting head is in threaded connection with the mounting threaded hole through the second external thread. The utility model discloses an engine bolt with high strength can effectively improve self intensity, realizes the high strength effect, avoids appearing in fastening process owing to excessively lead to cracked condition hard.
Description
Technical Field
The utility model relates to a bolt, especially an engine bolt with high strength.
Background
The bolt is a cylindrical fastener with external threads, and can be screwed with a nut or a screw hole with internal threads when in use so as to complete the fastening action, and the engine bolt is a part used on an engine and used for fastening the part on the engine
The external screw thread on the engine bolt spiral shell body is the key that the fastening was realized to the engine bolt, in actual processing screw thread in-process, in order to guarantee the smooth processing of external screw thread, then can need to restrict the intensity of engine bolt spiral shell body, avoid engine bolt spiral shell body intensity too big to lead to the condition that the external screw thread is difficult to process, above-mentioned condition then easily leads to engine bolt spiral shell body intensity limited, in fastening process, very easily appear because the power consumption excessively leads to the cracked condition of engine bolt, in case the engine bolt is cracked in fastening process, will be detained in the engine screw, be difficult to clear away, seriously influence engine assembly efficiency.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide an engine bolt with high strength, it can effectively improve self intensity, realizes the high strength effect, avoids appearing in fastening process owing to excessively leading to cracked condition hard.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
The utility model discloses an engine bolt with high strength, including the spiral shell body, locate the spiral shell head of spiral shell body upper end and locate the first external screw thread on the spiral shell body outer wall, its characterized in that: a reinforcing hole is formed in the screw body and extends from the upper end of the screw body to the lower part of the screw body; the center of the upper surface of the screw head is provided with an installation screw hole which is coaxial with the reinforcing hole and is communicated with the reinforcing hole; the diameter of the mounting screw hole is larger than that of the reinforcing hole, and a limiting step is formed between the mounting screw hole and the reinforcing hole; a reinforcing column matched with the reinforcing hole is arranged in the reinforcing hole; the upper end of the reinforcing column is provided with a dismounting head which is positioned in the mounting screw hole; the outer peripheral surface of the dismounting head is provided with a second external thread, and the dismounting head is in threaded connection with the mounting threaded hole through the second external thread; the second external thread track is opposite to the first external thread track; the lower surface of the dismounting head is clamped on the limiting step, and a clamping groove in a regular hexagon shape is arranged in the center of the upper surface of the dismounting head; vertical plates which are symmetrical to each other are arranged on the left side and the right side of the upper surface of the disassembling head; a dismounting device is arranged on the side wall of one side of the vertical plate far away from the center of the dismounting head; the dismounting device comprises a limiting pin; the left side and the right side of the upper surface of the screw head are provided with limiting holes matched with the limiting pins, and the lower ends of the limiting pins are inserted into the limiting holes.
The dismounting device comprises an upper fixing plate arranged on the upper part of the side wall of the vertical plate far away from the dismounting head and a lower fixing plate arranged in the middle of the side wall of the vertical plate far away from the dismounting head, and the upper fixing plate and the lower fixing plate are vertical to the vertical plate; the upper fixing plate is provided with an upper through hole coaxial with the limiting hole, and the lower fixing plate is provided with a lower through hole coaxial with the limiting hole; the upper end of the limiting pin sequentially penetrates through the upper through hole and the lower through hole upwards and is provided with a limiting part which is attached to the upper surface of the upper fixing plate; locking grooves which are symmetrical to each other are arranged on the left side and the right side of the lower through hole, the locking grooves are communicated with the lower through hole, and the notch of each locking groove is positioned on the upper surface of the lower fixing plate; the left side and the right side of the limiting pin are provided with locking blocks matched with the locking grooves, and the locking blocks are embedded in the locking grooves.
The upper surface of the locking block is flush with the upper surface of the lower fixing plate; the depth of the limiting hole is smaller than the thickness of the locking block.
The center of the upper surface of the limiting part is provided with a pull ring.
The upper surface of the upper fixing plate is provided with an annular positive magnetic ring which encloses the limiting part; the thickness of the positive pole magnetic ring is smaller than that of the limiting part; and the outer edge of the upper part of the limiting part extends outwards to form a negative magnetic ring which is attracted with the positive magnetic ring.
The utility model has the advantages that:
Compared with the prior art, adopt the utility model discloses the engine bolt who has high strength of structure can improve the intensity of spiral shell body through the enhancement post after reducing the smooth processing of self material hardness and guaranteeing the screw thread of bolt spiral shell body, put into the reinforcing hole of spiral shell body inside after when the extremely strong enhancement post of hardness, the intensity of enhancement post can effectively add and hold on the spiral shell body, the extremely strong enhancement post of intensity has replaced the spiral shell body that intensity is more weak, make engine bolt have high strength, effectively avoid bolt spiro union in-process with the strength excessively to lead to the bolt spiral shell body can't bear the condition that causes the fracture, thereby play and improve spiral shell body strength and do not influence thread machining's effect again.
Drawings
Fig. 1 is a schematic structural view of the engine bolt with high strength according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
Referring to fig. 1, the present invention provides an engine bolt with high strength, which includes a bolt body 1, a bolt head 2 disposed at an upper end of the bolt body 1, and a first external thread 3 disposed on an outer wall of the bolt body 1, wherein a reinforcing hole 4 is disposed in the bolt body 1, and the reinforcing hole 4 extends from an upper end of the bolt body 1 to a lower portion of the bolt body 1; the center of the upper surface of the screw head 2 is provided with an installation screw hole 5 which is coaxial with the reinforcing hole 4, and the installation screw hole 5 is communicated with the reinforcing hole 4; the diameter of the mounting screw hole 5 is larger than that of the reinforcing hole 4, and a limiting step 6 is formed between the mounting screw hole 5 and the reinforcing hole 4; a reinforcing column 7 matched with the reinforcing hole 4 is arranged in the reinforcing hole; the upper end of the reinforcing column 7 is provided with a dismounting head 8 positioned in the mounting screw hole 5; the outer peripheral surface of the dismounting head 8 is provided with a second external thread 9, and the dismounting head 8 is in threaded connection with the mounting screw hole 5 through the second external thread 9; the track of the second external thread 9 is opposite to the track of the first external thread 3; the lower surface of the dismounting head 8 is clamped on the limiting step 6, and the center of the upper surface of the dismounting head 8 is provided with a clamping groove 10 in a regular hexagon shape; vertical plates 11 which are symmetrical to each other are arranged on the left side and the right side of the upper surface of the assembling and disassembling head 8; a dismounting device is arranged on the side wall of one side of the vertical plate 11 far away from the center of the dismounting head 8; the dismounting device comprises a limiting pin 12; the left side and the right side of the upper surface of the screw head 2 are both provided with a limiting hole 13 matched with the limiting pin 12, and the lower end of the limiting pin 12 is inserted into the limiting hole 13.
The dismounting device comprises an upper fixing plate 14 arranged on the upper part of the side wall of the vertical plate 11 far away from the dismounting head 8 and a lower fixing plate 15 arranged in the middle of the side wall of the vertical plate 11 far away from the dismounting head 8, and the upper fixing plate 14 and the lower fixing plate 15 are vertical to the vertical plate 11; an upper through hole 16 coaxial with the limiting hole 13 is formed in the upper fixing plate 14, and a lower through hole 17 coaxial with the limiting hole 13 is formed in the lower fixing plate 15; the upper end of the limit pin 12 sequentially penetrates through the upper through hole 16 and the lower through hole 17 upwards and is provided with a limit part 18 which is attached to the upper surface of the upper fixing plate 14; locking grooves 19 which are symmetrical to each other are formed in the left side and the right side of the lower through hole 17, the locking grooves 19 are communicated with the lower through hole 17, and the notch of each locking groove 19 is positioned on the upper surface of the lower fixing plate 15; the left side and the right side of the limit pin 12 are provided with locking blocks 20 matched with the locking grooves 19, and the locking blocks 20 are embedded in the locking grooves 19.
The upper surface of the locking block 20 is flush with the upper surface of the lower fixing plate 15; the depth of the limiting hole 13 is smaller than the thickness of the locking block 20.
The center of the upper surface of the limiting part 18 is provided with a pull ring 21.
The upper surface of the upper fixing plate 14 is provided with an annular positive pole magnetic ring 22, and the limit part 18 is enclosed by the positive pole magnetic ring 22; the thickness of the positive pole magnetic ring 22 is smaller than that of the limiting part 18; and a negative magnetic ring 23 attracted with the positive magnetic ring 22 extends outwards from the outer edge of the upper part of the limiting part 18.
The utility model discloses a use method as follows:
When the lower end of the limit pin 12 is inserted into the limit hole 13 on the screw head 2, the position of the vertical plate 11 is limited by the limit pin 12, the vertical plate 11 is arranged on the dismounting head 8, when the position of the vertical plate 11 is limited by the limiting pin 12, the position of the dismounting head 8 is limited accordingly, the dismounting head 8 can not rotate along the thread track of the mounting screw hole 5, at the moment, the dismounting head 8 can only rotate synchronously with the screw head 2, a worker can rotate the screw head 2 only by clamping the end part of the hexagonal wrench in the clamping groove 10 in the shape of a regular hexagon, so that the screw body 1 rotates, the screw body 1 can be quickly screwed in the threaded hole on the engine under the action of the hexagonal wrench, when the bolt needs to be screwed out of the threaded hole on the engine, only need through hexagonal spanner to 8 antiport of dismouting head, just can make the spiral shell head 2 antiport thereupon of bolt, finally drive the spiral shell body 1 of bolt and unscrew.
When the reinforcing column 7 needs to be disassembled, a worker can hold the limiting part 18 to pull up the limiting pin 12, so that the lower end of the limiting pin 12 is separated from the limiting hole 13, when the limiting pin 12 moves upwards, the locking block 20 embedded in the locking groove 19 moves upwards along with the limiting pin, and the upper surface of the locking block 20 is flush with the upper surface of the lower fixing plate 15; the depth of the limiting hole 13 is smaller than the thickness of the locking block 20, so when the locking block 20 moves out of the locking groove 19, the lower end of the limiting pin 12 moves above the limiting hole 13, a worker can hold the limiting part 18 to rotate the limiting pin 12 at the moment, when the locking block 20 rotates, the position of the locking block 20 is staggered with the position of the locking groove 19, the worker loosens the limiting part 18, the lower surface of the locking block 20 is attached to the upper surface of the lower fixing plate 15 at the moment, the upper surface of the lower fixing plate 15 limits the position of the locking block 20, the locking block 20 cannot fall down, the limiting pin 12 cannot fall down, the dismounting head 8 can automatically rotate along the thread track of the mounting screw hole 5 after the limiting of the limiting pin 12 is lost, the dismounting head 8 can be quickly screwed out of the mounting screw hole 5 through a hexagonal wrench, the dismounting head 8 is screwed out, directly will strengthen post 7 and follow the downthehole pulling out of enhancement in the spiral shell body 1, just can accomplish the dismantlement of strengthening post 7, staff alright according to actual need immediately, change the reinforced post that intensity is stronger, further improve the intensity of bolt, and the 9 trails of second external screw thread are opposite with first external screw thread 3 orbit, when dismouting head 8 outwards back-out, the revolving force that dismouting head 8 produced then can make spiral shell body 1 further screw along first external screw thread 3 orbit towards the screw hole bottom on the engine, the revolving force that produces when effectively avoiding dismantling reinforced post 7 leads to being fixed in the not hard up condition of bolt on the engine.
In conclusion, the utility model discloses can improve the intensity of spiral shell body through the enhancement post after reducing the smooth processing of self material hardness and guaranteeing the screw thread of bolt spiral shell body, put into 4 back to the reinforcing hole of spiral shell body 1 inside when the extremely strong enhancement post 7 of hardness, the intensity of enhancement post 7 can effectively add and hold on spiral shell body 1, the extremely strong enhancement post of intensity has replaced the spiral shell body that intensity is more weak in a year, make engine bolt have high strength, effectively avoid bolt spiro union in-process strength excessively to lead to bolt spiral shell body 1 to can't bear the cracked condition of messenger, thereby play and improve spiral shell body intensity and do not influence the effect of thread machining again.
The pull ring 21 is arranged at the center of the upper surface of the limiting part 18, and the pull ring 21 is convenient for a worker to operate the limiting pin 12.
The upper surface of the upper fixing plate 14 is provided with an annular positive magnetic ring 22, the positive magnetic ring 22 encloses the limiting part 18, the thickness of the positive magnetic ring 22 is smaller than that of the limiting part 18, the outer edge of the upper part of the limiting part 18 extends outwards to form a negative magnetic ring 23 which is attracted with the positive magnetic ring 22, and the attraction between the positive magnetic ring 22 and the negative magnetic ring 23 can ensure the stability when the lower end of the limiting pin 12 is inserted into the limiting hole 13 and the stability when the locking block 20 is pressed on the upper surface of the lower fixing plate 15 after being separated from the locking groove 19.
Claims (5)
1. The utility model provides an engine bolt with high strength, includes the spiral shell body, locates the spiral shell head of spiral shell body upper end and locates the first external screw thread on the spiral shell body outer wall, its characterized in that: a reinforcing hole is formed in the screw body and extends from the upper end of the screw body to the lower part of the screw body; the center of the upper surface of the screw head is provided with an installation screw hole which is coaxial with the reinforcing hole and is communicated with the reinforcing hole; the diameter of the mounting screw hole is larger than that of the reinforcing hole, and a limiting step is formed between the mounting screw hole and the reinforcing hole; a reinforcing column matched with the reinforcing hole is arranged in the reinforcing hole; the upper end of the reinforcing column is provided with a dismounting head which is positioned in the mounting screw hole; the outer peripheral surface of the dismounting head is provided with a second external thread, and the dismounting head is in threaded connection with the mounting threaded hole through the second external thread; the second external thread track is opposite to the first external thread track; the lower surface of the dismounting head is clamped on the limiting step, and a clamping groove in a regular hexagon shape is arranged in the center of the upper surface of the dismounting head; vertical plates which are symmetrical to each other are arranged on the left side and the right side of the upper surface of the disassembling head; a dismounting device is arranged on the side wall of one side of the vertical plate far away from the center of the dismounting head; the dismounting device comprises a limiting pin; the left side and the right side of the upper surface of the screw head are provided with limiting holes matched with the limiting pins, and the lower ends of the limiting pins are inserted into the limiting holes.
2. An engine bolt having high strength according to claim 1, wherein: the dismounting device comprises an upper fixing plate arranged on the upper part of the side wall of the vertical plate far away from the dismounting head and a lower fixing plate arranged in the middle of the side wall of the vertical plate far away from the dismounting head, and the upper fixing plate and the lower fixing plate are vertical to the vertical plate; the upper fixing plate is provided with an upper through hole coaxial with the limiting hole, and the lower fixing plate is provided with a lower through hole coaxial with the limiting hole; the upper end of the limiting pin sequentially penetrates through the upper through hole and the lower through hole upwards and is provided with a limiting part which is attached to the upper surface of the upper fixing plate; locking grooves which are symmetrical to each other are arranged on the left side and the right side of the lower through hole, the locking grooves are communicated with the lower through hole, and the notch of each locking groove is positioned on the upper surface of the lower fixing plate; the left side and the right side of the limiting pin are provided with locking blocks matched with the locking grooves, and the locking blocks are embedded in the locking grooves.
3. An engine bolt having high strength according to claim 2, wherein: the upper surface of the locking block is flush with the upper surface of the lower fixing plate; the depth of the limiting hole is smaller than the thickness of the locking block.
4. An engine bolt having high strength according to claim 2, wherein: the center of the upper surface of the limiting part is provided with a pull ring.
5. An engine bolt having high strength according to claim 2, wherein: the upper surface of the upper fixing plate is provided with an annular positive magnetic ring which encloses the limiting part; the thickness of the positive pole magnetic ring is smaller than that of the limiting part; and the outer edge of the upper part of the limiting part extends outwards to form a negative magnetic ring which is attracted with the positive magnetic ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922042156.7U CN211145046U (en) | 2019-11-21 | 2019-11-21 | Engine bolt with high strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922042156.7U CN211145046U (en) | 2019-11-21 | 2019-11-21 | Engine bolt with high strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211145046U true CN211145046U (en) | 2020-07-31 |
Family
ID=71777030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922042156.7U Active CN211145046U (en) | 2019-11-21 | 2019-11-21 | Engine bolt with high strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211145046U (en) |
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2019
- 2019-11-21 CN CN201922042156.7U patent/CN211145046U/en active Active
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