CN216768053U - Locking bolt with quick-release function - Google Patents
Locking bolt with quick-release function Download PDFInfo
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- CN216768053U CN216768053U CN202220122409.0U CN202220122409U CN216768053U CN 216768053 U CN216768053 U CN 216768053U CN 202220122409 U CN202220122409 U CN 202220122409U CN 216768053 U CN216768053 U CN 216768053U
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Abstract
The utility model relates to a locking bolt with a quick-release function, which comprises a main body and a piston rod positioned in the main body, wherein the outer side of the main body is provided with external threads, the right end of the main body is provided with an end cover, the end cover is detachably connected with the main body, the piston rod can be arranged in the main body in an extending or retracting way, the piston rod comprises a piston, a first cavity is arranged between the piston and the end cover, the first cavity is communicated with an oil path for inputting hydraulic oil, the right side of the piston is provided with a first rod body, the first rod body is positioned in the first cavity, one end of the first rod body penetrates through the end cover, a second cavity is arranged between the piston and the main body, the left side of the piston is provided with a second rod body, the second rod body is positioned in the second cavity, one end of the second rod body penetrates through the main body, a disc spring group is arranged in the second cavity, the oil path is arranged in the second rod body, and the utility model is used for improving the automation level in the steel rolling heightening engineering, the process of assembling and disassembling the bolts manually in the production process is reduced, and the production time delayed by assembling and disassembling the bolts is also reduced.
Description
Technical Field
The utility model relates to the technical field of automation devices, in particular to a locking bolt with a quick-release function.
Background
The rolling mill guide is a guide channel device which is arranged in front of and behind a rolling hole of a bar and wire steel rolling mill, the rolling hole of the bar and wire steel is formed by two corresponding rolling grooves on a roller, a plurality of rolling grooves are arranged along the axial direction of the roller, when a certain amount of steel is rolled in the rolling hole, a new rolling hole is replaced for rolling due to the abrasion of the rolling groove, this requires that the rolling mill guide and guard also move to the corresponding position of another rolling hole, the rolling mill guide and guard needs to be fixed at the corresponding position of one rolling hole, otherwise, the rolling mill guide and guard is dislocated with the rolling hole, which causes the surface of the steel to be scratched or even the steel cannot pass through, in order to fix the rolling mill guide and guard, bolts are usually used for fixing, the bolt is manually disassembled when the guide and guard are moved, and the mode obviously has waste time and waste force, so that, in order to improve the automation level of steel rolling and save time and labor in the production process, the bolt capable of being quickly and automatically locked and loosened is provided.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a locking bolt with a quick-release function, which is used for improving the automation level in a steel rolling heightening project, reducing the process of manually assembling and disassembling bolts in the production process and reducing the production time delayed by assembling and disassembling the bolts.
The technical purpose of the utility model is realized by the following technical scheme:
the locking bolt with the quick-release function comprises a main body and a piston rod positioned in the main body;
the outside of main part is equipped with the external screw thread, the right-hand member of main part is equipped with the end cover, the end cover can be dismantled with the main part and be connected, and the piston rod can stretch out or set up in the main part with withdrawing, the piston rod includes the piston, be equipped with first cavity between piston and the end cover, first cavity intercommunication is used for the oil circuit of input hydraulic oil, and the piston right side is equipped with the first body of rod, the first body of rod is located first cavity, and the end cover is passed to the one end of the first body of rod.
In one embodiment, a second cavity is formed between the piston and the main body, a second rod is arranged on the left side of the piston and located in the second cavity, one end of the second rod penetrates through the main body, a disc spring group is arranged in the second cavity, and the oil path is arranged in the second rod.
In one embodiment, the left end of the main body is provided with a pressure relief through hole for communicating the second cavity with the outside.
In one embodiment, a connection threaded hole is formed in the left end of the second rod body, and the connection threaded hole is communicated with an oil path.
In one embodiment, a first guide sleeve is arranged on the surface of the main body, which is in contact with the second rod body, and a second guide sleeve is arranged on the surface of the end cover, which is in contact with the first rod body.
In one embodiment, a first sealing ring is arranged on the surface, close to the outer side, of the end cover, which is in contact with the first rod body, a second sealing ring is arranged on the surface, in contact with the inner wall of the main body, of the end cover, and a third sealing ring is arranged on the surface, in contact with the piston, of the main body.
In one embodiment, the left end of the body is provided with an outer hex portion.
In conclusion, the utility model has the following beneficial effects:
the utility model connects the hydraulic pipe, and is controlled by the electromagnetic valve, utilize the compression force of hydraulic pressure and disc spring group, make the piston rod extend out or retract fast, the utility model fixes on rolling mill guide through the external screw thread, control the hydraulic system by the electromagnetic valve, make the piston rod extend out or retract, realize the automatic locking or unclamp the rolling mill guide, in the course of producing, no longer need the manpower to lock or lift the bolt one by one, has reduced the time of stopping production, has lightened the working burden of the worker, and the utility model when the trouble such as weeping appears, because the function of throwing away has ordinary bolt under the influence of spring group, the utility model has still kept the external hexagonal corner, can dismantle or assemble fast and can change fast through tools such as the spanner, etc., avoid delaying producing when the trouble appears.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the present invention;
fig. 3 is a right side view of the present invention.
In the figure: 1-a body; 11-external thread; 13-pressure relief through holes; 14-external hex portion; 2-a piston; 22-oil path; 23-a first guide sleeve; 24-a second guide sleeve; 25-connecting threaded holes; 26-a second rod body; 27-a first rod; 3-end cover; 31-end cap bolts; 4-disc spring group; 5-a second cavity; 6-a first cavity; 7-a first sealing ring; 8-a second sealing ring; 9-third sealing ring.
Detailed Description
The utility model is described in detail below with reference to the figures and examples.
It should be noted that all the directional terms such as "upper" and "lower" referred to herein are used with respect to the view of the drawings, and are only for convenience of description, and should not be construed as limiting the technical solution.
As shown in fig. 1-3, a locking bolt with quick release function comprises a main body 1 and a piston rod positioned in the main body 1;
the outside of main part 1 is equipped with external screw thread 11, the right-hand member of main part 1 is equipped with end cover 3, end cover 3 can dismantle with main part 1 and be connected, and the piston rod can stretch out or set up in main part 1 with retracting, the piston rod includes piston 2, be equipped with first cavity 6 between piston 2 and the end cover 3, first cavity 6 intercommunication is used for inputing the oil circuit 22 of hydraulic oil, and 2 right sides of piston are equipped with the first body of rod 27, the first body of rod 27 is located first cavity 6, and the one end of the first body of rod 27 passes end cover 3. A plurality of end cover through holes are uniformly formed in the end cover 3, a plurality of fixing threaded holes are uniformly formed in the right end of the main body 1, the end cover bolt 31 penetrates through the end cover through holes to be in threaded connection with the fixing threaded holes, the end cover 3 is detachably fixed at the right end of the main body 1, external threads 11 are arranged outside the main body 1, the external threads 11 of the main body 1 can be connected and fixed to a rolling mill guide and guard through threads, and the rolling mill guide and guard can be locked or loosened through extension or retraction of a piston rod.
Be equipped with second cavity 5 between piston 2 and the main part, piston 2 left side is equipped with the second body of rod 26, the second body of rod 26 is located second cavity 5, and the one end of the second body of rod 26 passes main part 1, be equipped with dish spring group 4 in the second cavity 5, oil circuit 22 sets up in the second body of rod 26. The second cavity 5 that main part 1 and piston 2 formed, dish spring group 4 is closed to constituteing by a plurality of dish springs, can produce sufficient power in narrow and small space, ejecting the piston rod, play the effect of locking, and enable the piston rod and stretch out fast, and hydraulic oil enters into first cavity 6 through oil circuit 22, and the pressure of hydraulic oil in first cavity 6 forces the piston rod to retract in the main part 1.
The left end of the main body is provided with a pressure relief through hole 13 which is communicated with the second cavity 5 and the outside. Be provided with pressure release through-hole 13 at main part 1 left end, it does not form airtight space with outside circulation of air messenger second cavity 5, if second cavity 5 is airtight space, the piston rod still needs compressed air when moving to second cavity 5, hydraulic oil forces the piston rod to increase to the power of second cavity 5 motion with the stroke increase, leads to the piston rod stroke can't target in place, consequently sets up pressure release through-hole 13 for the piston rod does not receive airtight air's influence when moving to the second cavity.
The left end of the second rod 26 is provided with a connecting threaded hole 25, and the connecting threaded hole 25 is communicated with the oil path 22. The connecting threaded hole 25 is arranged to facilitate connection with an external hydraulic system, and the connecting threaded hole 25 can be quickly connected with or detached from a hydraulic pipe of the hydraulic system.
The surface of the main body contacting with the second rod body 26 is provided with a first guide sleeve 23, and the surface of the end cover contacting with the first rod body 27 is provided with a second guide sleeve 24. The first guide sleeve 23 and the second guide sleeve 24 are respectively arranged at the two ends of the piston rod, so that the piston rod can keep stable in extending or retracting action, and the abrasion of the piston rod, the main body 1 and the end cover 3 is accelerated due to the dry friction.
The end cover 3 is in contact with the first rod body 27 and is provided with a first sealing ring 7 on the surface close to the outer side, the surface of the end cover 3 in contact with the inner wall of the main body 1 is provided with a second sealing ring 8, and the surface of the main body 1 in contact with the piston 2 is provided with a third sealing ring 9. The sealing rings are arranged, so that the failure of the hydraulic oil leakage device caused by the fact that the hydraulic oil leaks out of the first cavity 6 in the using process and pollutes peripheral equipment can be effectively avoided, and the sealing performance of the first cavity 6 can be improved by the sealing rings.
The left end of the body 1 is provided with an outer hex portion 14. The outer hex portion 14 is configured to facilitate installation and removal by a user using a tool such as a wrench.
The working process of the utility model is as follows:
a wrench is used for aligning an external hexagonal part 14 at the top of the hydraulic piston, the hydraulic piston is screwed, the hydraulic piston is installed on a rolling mill guide through an external thread 11 on the outer side of a main body 1, a hydraulic pipe of an external hydraulic system is in threaded connection with a connecting threaded hole 25 at the left end of a second rod 26, when an electromagnetic valve receives a signal, hydraulic oil flows through an oil way 22 of the second rod 26 from the hydraulic pipe and enters a first cavity 6, the pressure of the hydraulic oil in the first cavity 6 forces the piston rod to retract into the main body 1, a plurality of sealing rings of the hydraulic piston can effectively prevent the hydraulic oil from seeping out at the moment, the piston 2 compresses a disc spring group 4 during retraction, when the electromagnetic valve receives the signal again, the hydraulic system stops filling the hydraulic oil, the compressed disc spring group 4 rebounds, the piston 2 is under the action force of a disc spring, the piston rod extends out of the main body 1, and meanwhile, the hydraulic oil is also stressed to flow back to the hydraulic system from the oil way 22, the utility model is indirectly controlled by the electromagnetic valve, thereby realizing automatic control.
The piston 2, the first rod 27 and the second rod 26 are integrally formed parts, and are piston rods. The utility model has smaller volume and overall weight of about 2.5KG, keeps the functions of the original bolt while improving, has small pre-compression amount of the built-in disc spring group 4 and long working stroke of the piston rod, and the maximum locking force of the disc spring group 4 can reach 1.3 tons when the utility model operates. The number of the plurality of end cap bolts 31 mentioned in the present invention is at least four, and may be five or six or more.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (7)
1. A locking bolt with a quick-release function is characterized by comprising a main body (1) and a piston rod positioned in the main body (1);
the outside of main part (1) is equipped with external screw thread (11), the right-hand member of main part (1) is equipped with end cover (3), end cover (3) can be dismantled with main part (1) and be connected, and the piston rod can stretch out or set up in main part (1) with retracting, the piston rod includes piston (2), be equipped with first cavity (6) between piston (2) and end cover (3), first cavity (6) intercommunication is used for inputing oil circuit (22) of hydraulic oil, and piston (2) right side is equipped with first body of rod (27), first body of rod (27) are located first cavity (6), and end cover (3) is passed to the one end of the first body of rod (27).
2. The locking bolt with the quick release function according to claim 1, wherein a second cavity (5) is arranged between the piston (2) and the main body (1), a second rod body (26) is arranged on the left side of the piston (2), the second rod body (26) is located in the second cavity (5), one end of the second rod body (26) penetrates through the main body (1), a disc spring group (4) is arranged in the second cavity (5), and the oil passage (22) is arranged in the second rod body (26).
3. The quick release lock bolt according to claim 2, wherein the body (1) is provided at its left end with a pressure relief through hole (13) communicating the second cavity (5) with the outside.
4. A quick release lock bolt according to claim 2, wherein the left end of the second shank (26) is provided with a threaded connection hole (25), and the threaded connection hole (25) is communicated with the oil passage (22).
5. A quick-release locking bolt according to claim 2, characterised in that the body (1) is provided with a first guide bush (23) on the side in contact with the second shank (26) and the end cap (3) is provided with a second guide bush (24) on the side in contact with the first shank (27).
6. The locking bolt with the quick release function according to claim 2, characterized in that the surface of the end cover (3) contacting the first rod body (27) and close to the outer side is provided with a first sealing ring (7), the surface of the end cover (3) contacting the inner wall of the main body (1) is provided with a second sealing ring (8), and the surface of the main body (1) contacting the piston (2) is provided with a third sealing ring (9).
7. A quick-release lock bolt according to claim 1, characterized in that the left end of the body (1) is provided with an external hex portion (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220122409.0U CN216768053U (en) | 2022-01-17 | 2022-01-17 | Locking bolt with quick-release function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220122409.0U CN216768053U (en) | 2022-01-17 | 2022-01-17 | Locking bolt with quick-release function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216768053U true CN216768053U (en) | 2022-06-17 |
Family
ID=81977785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220122409.0U Active CN216768053U (en) | 2022-01-17 | 2022-01-17 | Locking bolt with quick-release function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216768053U (en) |
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2022
- 2022-01-17 CN CN202220122409.0U patent/CN216768053U/en active Active
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