CN211975625U - High-strength anti-loosening hydraulic bolt - Google Patents
High-strength anti-loosening hydraulic bolt Download PDFInfo
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- CN211975625U CN211975625U CN202020017870.0U CN202020017870U CN211975625U CN 211975625 U CN211975625 U CN 211975625U CN 202020017870 U CN202020017870 U CN 202020017870U CN 211975625 U CN211975625 U CN 211975625U
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Abstract
The utility model discloses an anti not hard up hydraulic bolt of high strength, including fixing bolt, its characterized in that: the surface of the fixing bolt is respectively in threaded connection with a first nut and a second nut, a clamped workpiece is clamped between the first nut and the second nut, a nut sleeve is sleeved on a hexagonal edge of the second nut, a sealing circular plate is in threaded connection with the inner wall of the top of the nut sleeve, and a bolt sleeve is in threaded connection with the surface of the fixing bolt. This anti not hard up hydraulic bolt of high strength, through setting up first nut, fixing bolt and second bolt, the nut sleeve, sealed plectane and screw sleeve, advance oil pipe way and play oil pipe way, be convenient for increase when hydraulic bolt internal pressure, the bolt sleeve rises, the cardboard of bolt sleeve lateral wall opens through the pivot to make the cardboard card in the arc groove of nut sleeve inner wall, stabilize hydraulic bolt, thereby reach hydraulic bolt and have anti not hard up function under high strength pressure.
Description
Technical Field
The utility model relates to a hydraulic bolt technical field specifically is an anti not hard up hydraulic bolt of high strength.
Background
The hydraulic bolt is a hydraulic operation bolt fastening device with precise design, high pressure and high performance, the hydraulic bolt is very resistant to vibration and impact load, and the hydraulic bolt is suitable for the following working conditions, the bolt needs accurate and reliable load, the problems of vibration stress and torsional stress exist, the daily maintenance needs repeated adjustment or nut disassembly, the bolt space is limited, and the like.
At present hydraulic bolt during operation, because internal pressure is too big, lead to the bolt not hard up, influence the secondary of inside nut and screw fixedly to cause the harm to hydraulic bolt, be unfavorable for working under high strength.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anti not hard up hydraulic bolt of high strength to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti hydraulic bolt that moves of high strength, includes fixing bolt, its characterized in that: the utility model discloses a bolt, including fixing bolt, nut sleeve, ring groove, rubber seal ring, control lever, bolt sleeve, screw hole, the side fixedly connected with pivot, the surface of fixing bolt is threaded connection respectively has first nut and second nut, and the centre gripping has a work piece of holding between first nut and the second nut, the nut sleeve has been cup jointed on the hexagonal limit of second nut, and nut sleeve's top inner wall threaded connection has sealed plectane, fixing bolt's surface threaded connection has bolt sleeve, nut sleeve's both sides fixedly connected with oil inlet pipe way and oil outlet pipe way respectively, the ring groove has been seted up to nut sleeve's inner wall, and the inside wall in ring groove sets up threaded hole, the ring groove has been seted up to the inner wall of screw hole, the inner wall in ring groove is provided with rubber seal ring, the inner.
Preferably, the bolt sleeve is T-shaped, and a T-shaped hole matched with the bolt sleeve is formed in the inner wall of the nut sleeve.
Preferably, the diameter of the sealing circular plate is the same as that of the sleeve cap of the bolt sleeve, and a hexagonal torsion groove is formed in the upper surface of the sealing circular plate.
Preferably, the specification and model of the first nut and the specification and model of the second nut are the same, the lower surface of the first nut is in lap joint with a nut of the fixing bolt, and the second nut is located above the workpiece.
Preferably, the number of the control rods is sixteen, the control rods are divided into two layers, and eight control rods in each layer are circumferentially arranged on the peripheral surface of the nut sleeve at equal intervals.
Preferably, the inner wall of the nut sleeve is in a fan shape, and the radius of the arc groove is the same as the vertical height of the clamping plate.
Advantageous effects
The utility model provides an anti not hard up hydraulic bolt of high strength, this anti not hard up hydraulic bolt of high strength, through setting up first nut, fixing bolt and second bolt, the fixed work piece of being convenient for, through setting up the nut sleeve, sealed plectane and screw sleeve, the fixed shank of stretching out work piece top and second nut and sealed of being convenient for, through setting up into oil pipe and oil outlet pipe, be convenient for input hydraulic oil between bolt sleeve and the nut sleeve, crowd fixing bolt, the second nut of screwing again in the space of reserving, increase when hydraulic bolt internal pressure, the bolt sleeve rises, the cardboard of bolt sleeve lateral wall opens through the pivot, and make the card in the circular arc inslot of cardboard nut sleeve inner wall, stabilize hydraulic bolt, thereby reach hydraulic bolt and have anti not hard up function under high strength pressure.
Drawings
FIG. 1 is a schematic front sectional view of the structure of the present invention;
FIG. 2 is an enlarged schematic view of A in FIG. 1;
fig. 3 is a schematic top view of the structure of the present invention.
In the figure: the oil-gas separation device comprises a fixing bolt 1, a first nut 2, a second nut 3, a nut sleeve 4, a sealing circular plate 5, a bolt sleeve 6, an oil inlet pipeline 7, an oil outlet pipeline 8, an arc groove 9, a threaded hole 10, an annular groove 11, a rubber sealing ring 12, a control rod 13, a groove 14, a rotating shaft 15 and a clamping plate 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an anti not hard up hydraulic bolt of high strength, including fixing bolt 1, fixing bolt 1's surface is threaded connection respectively has first nut 2 and second nut 3, and the centre gripping has some work pieces of pressing from both sides between first nut 2 and the second nut 3, first nut 2 is the same with the specification model of second nut 3, and the lower surface of first nut 2 and fixing bolt 1's nut overlap joint, second nut 3 is located the top of work piece, nut sleeve 4 has been cup jointed on the hexagonal limit of second nut 3, and nut sleeve 4's top inner wall threaded connection has sealed plectane 5.
Fixing bolt 1's surperficial threaded connection has bolt sleeve 6, bolt sleeve 6's shape is the T style of calligraphy, and nut sleeve 4's inner wall sets up the T style of calligraphy hole with bolt sleeve 6 looks adaptation, sealed plectane 5 is the same with bolt sleeve 6's mantle cap diameter, and the hexagonal torsion groove has been seted up to sealed plectane 5's upper surface, nut sleeve 4's both sides fixedly connected with oil inlet pipe way 7 and oil outlet pipe way 8 respectively, nut sleeve 4's inner wall has seted up circular arc groove 9, and circular arc groove 9's inside wall has seted up screw hole 10, circular groove 11 has been seted up to screw hole 10's inner wall, circular groove 11's inner wall is provided with.
The inner wall threaded connection of screw hole 10 has control lever 13, the quantity of control lever 13 is sixteen, divide into two-layerly, eight control levers 13 on every layer are the circumference equidistance and set up on nut sleeve 4 surface all around, recess 14 has been seted up to bolt sleeve 6's side, recess 14's side fixedly connected with pivot 15, the lower fixed surface of pivot 15 is connected with cardboard 16, nut sleeve 4's inner wall circular arc groove 9 shape is fan-shapedly, and the radius of circular arc groove 9 is the same with cardboard 16's vertical height.
The working principle is as follows: when the high-strength anti-loosening hydraulic bolt is used, one end of the fixing bolt 1 drives the first nut 2 to penetrate through a workpiece, and the second nut 3 is sleeved on the screw rod of the fixing bolt 1 to be rotationally fixed, so that the bottom of the nut sleeve 4 is clamped on the second nut 3, the bolt sleeve 6 is fixed on the screw rod of the fixed bolt 1 in a spiral way, the top of the nut sleeve 4 is sealed by a sealing circular plate 5, is connected with a hydraulic oil pipeline through an oil inlet pipeline 7 and an oil outlet pipeline 8, hydraulic oil is input between the bolt sleeve 6 and the nut sleeve 4, when the internal pressure of the hydraulic bolt is increased, the bolt sleeve 6 rises, the clamping plate 16 on the side wall of the bolt sleeve 6 is opened through the rotating shaft 15, and the clamping plate 16 is clamped in the arc groove 9 on the inner wall of the nut sleeve 4, the hydraulic bolt is stably fixed, and the second nut 3 is convenient to further screw, so that the hydraulic bolt has the function of resisting loosening under high-strength pressure.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an anti hydraulic bolt that moves of high strength, includes fixing bolt (1), its characterized in that: the surface of the fixing bolt (1) is respectively in threaded connection with a first nut (2) and a second nut (3), a clamped workpiece is clamped between the first nut (2) and the second nut (3), a nut sleeve (4) is sleeved on a hexagonal edge of the second nut (3), a sealing circular plate (5) is in threaded connection with the inner wall of the top of the nut sleeve (4), a bolt sleeve (6) is in threaded connection with the surface of the fixing bolt (1), an oil inlet pipeline (7) and an oil outlet pipeline (8) are respectively and fixedly connected to two sides of the nut sleeve (4), an arc groove (9) is formed in the inner wall of the nut sleeve (4), a threaded hole (10) is formed in the inner side wall of the arc groove (9), an annular groove (11) is formed in the inner wall of the threaded hole (10), and a rubber sealing ring (12) is arranged on the inner wall of the annular groove (11), the inner wall threaded connection of screw hole (10) has control lever (13), the side of bolt sleeve (6) is seted up flutedly (14), the side fixedly connected with pivot (15) of recess (14), the lower fixed surface of pivot (15) is connected with cardboard (16).
2. A high strength anti-loosening hydraulic bolt as defined in claim 1, wherein: the bolt sleeve (6) is T-shaped, and a T-shaped hole matched with the bolt sleeve (6) is formed in the inner wall of the nut sleeve (4).
3. A high strength anti-loosening hydraulic bolt as defined in claim 1, wherein: the diameter of the sealing circular plate (5) is the same as that of the sleeve cap of the bolt sleeve (6), and a hexagonal torsion groove is formed in the upper surface of the sealing circular plate (5).
4. A high strength anti-loosening hydraulic bolt as defined in claim 1, wherein: the specification and model of the first nut (2) and the second nut (3) are the same, the lower surface of the first nut (2) is in lap joint with the nut of the fixing bolt (1), and the second nut (3) is located above a workpiece.
5. A high strength anti-loosening hydraulic bolt as defined in claim 1, wherein: the number of the control rods (13) is sixteen, the control rods are divided into two layers, and eight control rods (13) in each layer are circumferentially arranged on the peripheral surface of the nut sleeve (4) at equal intervals.
6. A high strength anti-loosening hydraulic bolt as defined in claim 1, wherein: the inner wall arc groove (9) of the nut sleeve (4) is fan-shaped, and the radius of the arc groove (9) is the same as the vertical height of the clamping plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020017870.0U CN211975625U (en) | 2020-01-06 | 2020-01-06 | High-strength anti-loosening hydraulic bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020017870.0U CN211975625U (en) | 2020-01-06 | 2020-01-06 | High-strength anti-loosening hydraulic bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211975625U true CN211975625U (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020017870.0U Active CN211975625U (en) | 2020-01-06 | 2020-01-06 | High-strength anti-loosening hydraulic bolt |
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| Country | Link |
|---|---|
| CN (1) | CN211975625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709745A (en) * | 2020-12-22 | 2021-04-27 | 徐之佩 | Screw fastener |
-
2020
- 2020-01-06 CN CN202020017870.0U patent/CN211975625U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709745A (en) * | 2020-12-22 | 2021-04-27 | 徐之佩 | Screw fastener |
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