CN210739088U - Locking bolt device - Google Patents
Locking bolt device Download PDFInfo
- Publication number
- CN210739088U CN210739088U CN201921846343.4U CN201921846343U CN210739088U CN 210739088 U CN210739088 U CN 210739088U CN 201921846343 U CN201921846343 U CN 201921846343U CN 210739088 U CN210739088 U CN 210739088U
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- nut
- bolt
- washer
- locking bolt
- ring
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Abstract
The utility model discloses a locking bolt device, which comprises a nut, a bolt and an O-shaped ring, wherein the periphery of the nut is provided with a groove for placing the O-shaped ring, the bottom of the nut is provided with a fixed groove for placing the bolt, the tail part of the bolt has a part extending out of the nut, one end of a threaded rod of the bolt close to the nut is sleeved with a first gasket, the first gasket is provided with a plurality of through holes around the circle center, and the bottom of the nut is connected with a second gasket sleeved on the threaded rod. Is convenient for use.
Description
Technical Field
The utility model relates to a locking bolt device field, concretely relates to locking bolt device.
Background
The impeller needs to use bolt locking device to fix on the transmission shaft, and the inside rigid material part direct contact that is of current locking device does not have the effect of buffering, when using, under the vibration of high-speed rotation, leads to the fitting surface of impeller to receive extrusion fracture easily, life greatly reduced, consequently need improve the bolt locking device of current structure for increase its life.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a locking bolt device, increase a plurality of elastic component between a plurality of rigid structure spare, can effectively increase the holistic high toughness of locking bolt device, make the stress of assembling extruded pressure and operation vibration can cushion, prevent the contact surface embrittlement of impeller, increase the life of locking bolt device and rather than the device of being connected, the effect of preventing leaking has, moreover, the steam generator is simple in structure, and is convenient to use, the defect that is used for solving prior art and leads to.
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a locking bolt device, wherein, includes nut, bolt, O type circle, the periphery of nut has been seted up and has been placed the recess of O type circle, the nut bottom has been seted up and has been placed the fixed slot of bolt, the afterbody of bolt has the part to lean out the nut, the threaded rod of bolt is close to an pot head of nut and is equipped with first packing ring, seted up the several through-hole around the centre of a circle on the first packing ring, the bottom of nut is connected with the cover and locates the second packing ring of threaded rod.
The locking bolt device is characterized in that the nut is a composite ceramic nut, the top of the nut is a hexagonal flat-head nut, and the bottom of the nut is provided with a chamfer.
The locking bolt device is characterized in that the bolt is a stainless steel hexagon flat head bolt, and the diameter of the thread of the bolt is 12 mm-16 mm.
In the above locking bolt device, the inner wall of the first washer is an internal thread matching the threaded rod.
In the above locking bolt device, four through holes are formed, and the diameter of each through hole is 5 mm to 6 mm.
In the above locking bolt device, the O-ring is a fluororubber O-ring, and the cross-sectional diameter of the O-ring is 3 to 4 mm.
In the lock bolt device, the second washer is a polyethylene washer, and the thickness of the second washer is 12 to 15 mm.
The locking bolt device is characterized in that the second washer is of a stepped structure, the top of the second washer is a hexagonal flat-head nut, and the inner wall of the second washer is an internal thread.
According to the aforesaid the utility model relates to a technical scheme that locking bolt device provided has following technological effect:
increase a plurality of elastic component between a plurality of rigid structure spare, can effectively increase the holistic high toughness of locking bolt device for the stress of assembly extruded pressure and operation vibration can cushion, prevents the contact surface embrittlement of impeller, increases the life of locking bolt device and rather than the device of being connected, has the effect of preventing leaking, simple structure, convenient to use.
Drawings
Fig. 1 is a schematic structural view of a locking bolt device of the present invention;
fig. 2 is a schematic structural view of a nut in a locking bolt device according to the present invention;
fig. 3 is a schematic structural view of a locking bolt device of the present invention;
fig. 4 is a schematic diagram of a specific use structure of the locking bolt device of the present invention.
Wherein the reference numbers are as follows:
the pump comprises a nut 101, a bolt 102, an O-shaped ring 103, a groove 104, a fixing groove 105, a first gasket 106, a second gasket 107, a chamfer 201, a through hole 301, an impeller 401, a hub 402, a pump shaft 403, a key groove 404, a head thread 405 and a central screw hole 406.
Detailed Description
In order to make the technical means, the inventive features, the objectives and the functions of the present invention easy to understand, the present invention will be further described with reference to the following specific drawings.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve.
Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The utility model discloses a preferred embodiment provides a locking bolt device, and the purpose increases a plurality of elastic component between a plurality of rigid structure spare, can effectively increase the holistic high tenacity of locking bolt device for the extruded pressure of assembly can cushion with the stress of operation vibration, prevents the contact surface embrittlement of impeller, increases the life of locking bolt device and the device of being connected with it, has the effect of preventing leaking, simple structure, convenient to use.
As shown in fig. 1-2, a locking bolt device includes a nut 101, a bolt 102, and an O-ring 103, wherein a groove 104 for placing the O-ring 103 is formed on the periphery of the nut 101, a fixing groove 105 for placing the bolt 102 is formed at the bottom of the nut 101, a part of the tail of the bolt 102 protrudes out of the nut 101, a first washer 106 is sleeved at one end of a threaded rod of the bolt 102 close to the nut 101, a plurality of through holes 301 are formed around the center of a circle on the first washer 106, and a second washer 107 sleeved on the threaded rod is connected to the bottom of the nut 101;
the additionally arranged through hole 301 is used for communicating pouring materials when the nut 101 is poured, space coupling is formed, the binding force between the materials is enhanced, and the O-shaped ring 103 can be a high-temperature-resistant O-shaped ring, a high-pressure-resistant O-shaped ring, a corrosion-resistant O-shaped ring and the like.
In the locking bolt device provided by the embodiment, the adopted nut 101 is a composite ceramic nut, the top of the nut 101 is a hexagonal flat-head nut, and the bottom of the nut 101 is provided with a chamfer 201;
the nut 101 is a composite ceramic nut, the composite ceramic nut is formed by compounding and die-casting thermosetting high molecular polymer, silicon carbide and alumina filler, the bolt 102 needs to be pre-embedded firstly, and is positioned in a die through a first gasket 106, then the liquid composite ceramic material is poured in the die, is heated, cured and molded, and the nut 101 is obtained after demolding and is integrated with the bolt 102 and the first gasket 106.
In the locking bolt device provided by the embodiment, the bolt 102 is a stainless steel hexagon flat head bolt, and the thread diameter of the bolt 102 is 12 mm-16 mm.
In the embodiment, the inner wall of the first washer 106 is an internal thread matching with the threaded rod.
As shown in fig. 3, in the locking bolt device provided in this embodiment, four through holes 301 are formed, and the diameter of each through hole is 5 mm to 6 mm.
According to the locking bolt device provided by the embodiment, the O-shaped ring 103 is a fluororubber O-shaped ring, and the cross section diameter of the O-shaped ring 103 is 3-4 mm.
In the lock bolt device provided by the embodiment, the second washer 107 is a polyethylene washer, and the thickness of the second washer 107 is 12-15 mm.
In the lock bolt device provided by this embodiment, the second washer 107 is of a stepped structure, the top of the second washer 107 is a hexagon flat-head nut, and the inner wall of the second washer 107 is an internal thread.
As shown in fig. 4, the installation process of the lock bolt 102 device in specific use is as follows: a locking bolt device, an impeller 401 and a pump shaft 403 are prepared, a hub 402 and the pump shaft 403 of the impeller 401 are sleeved, the assembly is carried out through a key groove 404 of the pump shaft 403, a second gasket 107 is screwed to a head thread 405 of the pump shaft 403, the bottom surface of the second gasket 107 is tightly abutted to the top surface of the hub 402, an O-shaped ring 103 is nested and installed in a groove 104 of a nut 101, and a threaded rod of a bolt 102 is screwed into a central screw hole 406 of the pump shaft 403 until the lower plane of the nut 101 is tightly abutted to the top surface of the second gasket 107.
To sum up, the utility model discloses a locking bolt device increases a plurality of elastic component between a plurality of rigid structure spare, can effectively increase the holistic high toughness of locking bolt device for the stress of assembly extruded pressure and operation vibration can cushion, prevents that the contact surface of impeller is fragile, increases the life of locking bolt device and rather than the device of being connected, has the effect of preventing leaking, simple structure, convenient to use.
The above description has been made of specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (8)
1. The utility model provides a locking bolt device, its characterized in that, includes nut, bolt, O type circle, the periphery of nut has been seted up and has been placed the recess of O type circle, the nut bottom has been seted up and has been placed the fixed slot of bolt, the afterbody of bolt has the part to lean out the nut, the threaded rod of bolt is close to one pot head of nut and is equipped with first packing ring, seted up the several through-hole around the centre of a circle on the first packing ring, the bottom of nut is connected with the cover and locates the second packing ring of threaded rod.
2. The lock bolt assembly of claim 1, wherein the nut is a composite ceramic nut, the top of the nut is a hex flat head nut, and the bottom of the nut is chamfered.
3. A lock bolt assembly according to claim 2 wherein the bolt is a stainless steel hex head bolt, the bolt having a thread diameter of 12 mm to 16 mm.
4. A lock bolt assembly according to claim 3 wherein the inner wall of the first washer is internally threaded to match the threaded shank.
5. The lock bolt device according to claim 4, wherein the through-holes are opened in four, and the diameter thereof is 5 mm to 6 mm.
6. A lockbolt assembly as claimed in claim 5 wherein the O-ring is a viton O-ring, the O-ring having a cross-sectional diameter of 3 to 4 mm.
7. A lock bolt assembly according to claim 6, wherein the second washer is a polyethylene washer, the second washer having a thickness of 12 to 15 mm.
8. The lock bolt assembly of claim 7, wherein the second washer has a stepped configuration, the second washer has a hexagonal flat head nut at a top portion thereof, and the second washer has an internal thread at an inner wall thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921846343.4U CN210739088U (en) | 2019-10-30 | 2019-10-30 | Locking bolt device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921846343.4U CN210739088U (en) | 2019-10-30 | 2019-10-30 | Locking bolt device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210739088U true CN210739088U (en) | 2020-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921846343.4U Active CN210739088U (en) | 2019-10-30 | 2019-10-30 | Locking bolt device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210739088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321259A (en) * | 2021-11-19 | 2022-04-12 | 中国船舶重工集团公司第七一九研究所 | Anti-impact energy-locking vibration isolation device based on chiral structure |
-
2019
- 2019-10-30 CN CN201921846343.4U patent/CN210739088U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321259A (en) * | 2021-11-19 | 2022-04-12 | 中国船舶重工集团公司第七一九研究所 | Anti-impact energy-locking vibration isolation device based on chiral structure |
| CN114321259B (en) * | 2021-11-19 | 2023-12-08 | 中国船舶重工集团公司第七一九研究所 | Anti-impact energy-locking vibration isolation device based on chiral structure |
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