CN211837786U - Hinge beam expansion pin structure of cubic hydraulic press - Google Patents
Hinge beam expansion pin structure of cubic hydraulic press Download PDFInfo
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- CN211837786U CN211837786U CN202020416745.7U CN202020416745U CN211837786U CN 211837786 U CN211837786 U CN 211837786U CN 202020416745 U CN202020416745 U CN 202020416745U CN 211837786 U CN211837786 U CN 211837786U
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Abstract
A six-side top hydraulic press hinge beam expanding pin structure relates to the technical field of pin shaft hinge, and comprises an external expanding sleeve, a screw rod and two internal taper sleeves; the outer wall of the outer expansion sleeve is in splicing matching with the ear hole of the hinge beam, two ends of the inner wall of the outer expansion sleeve are inwards reduced in diameter and communicated to form two symmetrical inner conical surfaces, the outer walls of the two inner conical sleeves are correspondingly spliced and matched with the two inner conical surfaces respectively, the inner walls of the two inner conical sleeves are matched with the threaded rods to penetrate through and leave gaps with the rod bodies of the threaded rods, and the outer ends of the inner walls of the inner conical sleeves are provided with drawing internal threads; both ends of the screw rod are provided with locking nuts; the pin structure can avoid assembly strain and is convenient to disassemble and assemble while ensuring that the structural strength meets the use requirement.
Description
Technical Field
The utility model belongs to the technical field of the articulated technique of round pin axle and specifically relates to a cubic hydraulic press hinge roof beam is with round pin structure that rises is related to.
Background
The pin shaft is usually used as a standard fastener, can be statically and fixedly connected, can also move relative to a connected piece, is mainly used at the hinged part of two parts to form hinged connection, and has the advantages of reliable work and convenient disassembly; traditionally, be applied to round pin axle of cubic hydraulic press hinge beam department as connecting piece and important atress part, often can be because of the design defect of self, and produce the strain scheduling problem easily in the assembling process to after using a period, the round pin axle often can produce the adhesion with the earhole of hinge beam and can't demolish, lead to when the machine of tearing open, need wholly cut away with the hinge beam ear of round pin hub connection, thereby cause scrapping of whole hinge beam.
Disclosure of Invention
In order to overcome not enough among the background art, the utility model discloses a cubic press hinge roof beam is with round pin structure that rises when guaranteeing that structural strength satisfies operation requirement, can avoid the assembly to pull, and the dismouting of being convenient for.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a hinge pin structure for a hinge beam of a cubic hydraulic press comprises an external expansion sleeve, a screw and two internal taper sleeves; the outer wall of the outer expansion sleeve is in splicing matching with the ear hole of the hinge beam, two ends of the inner wall of the outer expansion sleeve are inwards reduced in diameter and communicated to form two symmetrical inner conical surfaces, the outer walls of the two inner conical sleeves are correspondingly spliced and matched with the two inner conical surfaces respectively, the inner walls of the two inner conical sleeves are matched with the threaded rods to penetrate through and leave gaps with the rod bodies of the threaded rods, and the outer ends of the inner walls of the inner conical sleeves are provided with drawing internal threads; and locking nuts are arranged at the two ends of the screw rod in a matching mode.
Furthermore, a gasket is sleeved on the rod body of the screw rod between the locking nut and the corresponding inner taper sleeve.
Furthermore, the inner wall of the middle part of the outer expansion sleeve is internally provided with an annular step in a protruding way.
Further, the outer wall of the outer expansion sleeve is provided with a spiral oil guide groove.
Furthermore, the external expansion sleeve is formed by axially butting two unit expansion sleeves with equal length.
Furthermore, the inner end surface of one unit expansion sleeve is provided with an annular slot, and the inner end surface of the other unit expansion sleeve is provided with an annular plug corresponding to the annular slot.
Further, the diameter of the drawing internal thread is larger than the diameter of the inner wall of the inner taper sleeve.
Further, the length of the screw is greater than that of the external expansion sleeve.
Furthermore, the two ends of the screw rod are positioned outside the locking nut, and the rod body is provided with a fastening nut.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses a cubic apparatus hydraulic press hinge is in order to rise round pin structure, insert the earhole of hinge first in the cover that rises, then insert two interior taper sleeves respectively from the both ends of the cover inner wall that rises, reuse screw rod pass two interior taper sleeves after, through the lock nut who revolves the wrong screw rod both ends, make two interior taper sleeves can be in the cover that rises to the outside tight while, utilize the conical surface structure to strut the cover that rises to guarantee that the cover that rises can closely cooperate with the earhole of hinge, make the whole structure of rising the round pin satisfy intensity demand and installation demand; for the fit clearance between traditional round pin axle and the hinge beam ear hole, the utility model discloses just can utilize the advantage of the round pin that rises, do greatly the fit clearance between cover and the hinge beam ear hole that will rise outward, the installation of being convenient for has avoided producing the problem of pulling in assembling process, also can effectively avoid simultaneously because of the adhesion problem that uses for a long time and produce, and the whole round pin structure dismouting facility that rises can improve the work efficiency of tearing open the machine greatly, and it is extravagant to reduce unnecessary part.
Drawings
Fig. 1 is a schematic view of the present invention;
FIG. 2 is another schematic structural view of the jacket;
fig. 3 is a schematic view of the installation structure of the present invention.
In the figure: 1. an external expansion sleeve; 101. an inner conical surface; 102. an oil guide groove; 103. an annular step; 104. an annular slot; 2. a screw; 3. an inner taper sleeve; 301. drawing the internal thread; 4. a gasket; 5. and locking the nut.
Detailed Description
The present invention can be explained in detail by the following embodiments, and the purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention, and the present invention is not limited to the following embodiments; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., it is only corresponding to the drawings of the present application, and for the convenience of describing the present invention, it is not intended to indicate or imply that the device or element referred to must have a particular orientation:
the hinge beam expansion pin structure for the cubic hydraulic machine combined with the attached figures 1-3 comprises an external expansion sleeve 1, a screw rod 2 and two internal taper sleeves 3; the outer wall of the external expansion sleeve 1 is spliced and matched with the lug hole of the hinge beam, and compared with the matching gap between the traditional pin shaft and the lug hole of the hinge beam, the utility model can utilize the advantages of the expansion pin to enlarge the matching gap between the external expansion sleeve 1 and the lug hole of the hinge beam, thereby being convenient for installation and avoiding the problem of strain in the assembling process; two ends of the inner wall of the outer expansion sleeve 1 are inwardly reduced in diameter and communicated to form two symmetrical inner conical surfaces 101, the outer walls of the two inner conical sleeves 3 are correspondingly inserted and matched with the two inner conical surfaces 101, and when the locking nuts 5 at two ends of the screw 2 are screwed, the two inner conical sleeves 3 can be inserted and tightened in the outer expansion sleeve 1, and meanwhile, the outer expansion sleeve 1 is spread by utilizing a conical surface structure, so that the outer expansion sleeve 1 can be tightly matched with the earhole of the hinge beam, and the whole pin expansion structure meets the strength requirement and the installation requirement; according to the requirement, the length of the screw rod 2 is greater than that of the external expansion sleeve 1, so that the screw rod 2 is exposed and is convenient to assemble;
the inner walls of the two inner taper sleeves 3 are matched with the screw rods 2 to penetrate through and form gaps with the rod bodies of the screw rods 2, so that the screw rods 2 are convenient to install; the outer end of the inner wall of the inner taper sleeve 3 is provided with a drawing internal thread 301, so that a pull rod tool can be conveniently screwed into the drawing internal thread 301 to dismount the inner taper sleeve 3; according to the requirement, the diameter of the drawing internal thread 301 is larger than that of the inner wall of the inner taper sleeve 3, so that the drawing internal thread 301 is prevented from being worn when the screw rod 2 is dismounted; two ends of the screw rod 2 are respectively provided with a locking nut 5, and axial extrusion force is applied to the inner taper sleeve 3 by screwing the locking nuts 5; according to the requirement, a gasket 4 is sleeved on the rod body of the screw rod 2 between the locking nut 5 and the corresponding inner taper sleeve 3, so that the stress area is increased; in addition, the rod body of the two ends of the screw rod 2, which is positioned outside the locking nut 5, is provided with a locking nut, and when the locking nut 5 is screwed in place, the locking nut is locked by the locking nut to prevent the locking nut 5 from sliding back;
according to the requirement, the inner wall of the middle part of the outer expansion sleeve 1 is internally provided with an annular step 103 in a protruding way, when the outer expansion sleeve 1 is finally disassembled, a tool is convenient to prop against the annular step 103 to push the outer expansion sleeve 1 out of an ear hole of a hinge beam, and the end face of the outer expansion sleeve 1 is prevented from being damaged; in addition, the outer wall of the outer expansion sleeve 1 is provided with a spiral oil guide groove 102 which plays a role in storing lubricating oil; in addition, the external expansion sleeve 1 is formed by axially butting two unit expansion sleeves with equal length, so that the external expansion sleeve 1 can be conveniently disassembled and assembled, the adhesion phenomenon between the external expansion sleeve 1 and a hinge beam can also be reduced, preferably, an annular slot 104 is arranged on the inner end surface of one unit expansion sleeve, and an annular plug is arranged on the inner end surface of the other unit expansion sleeve corresponding to the annular slot 104, so that the stable plugging is ensured.
The part of the utility model not detailed is prior art.
Claims (9)
1. The utility model provides a cubic apparatus hydraulic press hinge roof beam is with round pin structure that rises which characterized in that: comprises an external expansion sleeve (1), a screw rod (2) and two internal taper sleeves (3); the outer wall of the outer expansion sleeve (1) is in splicing matching with an ear hole of the hinge beam, two symmetrical inner conical surfaces (101) are formed by reducing the diameter of two ends of the inner wall of the outer expansion sleeve (1) inwards and communicating with each other, the outer walls of the two inner conical sleeves (3) are correspondingly spliced and matched with the two inner conical surfaces (101), the inner walls of the two inner conical sleeves (3) are matched with the threaded rods (2) to penetrate through, gaps are reserved between the inner walls of the threaded rods (2), and drawing internal threads (301) are arranged at the outer ends of the inner walls of the inner conical sleeves (3); and two ends of the screw rod (2) are provided with locking nuts (5).
2. The expanding pin structure for the hinge beam of the cubic hydraulic machine as set forth in claim 1, wherein: and a gasket (4) is sleeved on the rod body of the screw rod (2) between the locking nut (5) and the corresponding inner taper sleeve (3).
3. The expanding pin structure for the hinge beam of the cubic hydraulic machine as set forth in claim 1, wherein: the inner wall of the middle part of the external expansion sleeve (1) is internally provided with an annular step (103) in a protruding way.
4. The expanding pin structure for the hinge beam of the cubic hydraulic machine as set forth in claim 1, wherein: the outer wall of the outer expansion sleeve (1) is provided with a spiral oil guide groove (102).
5. The expanding pin structure for the hinge beam of the cubic hydraulic machine as set forth in claim 1, wherein: the external expansion sleeve (1) is formed by axially butting two unit expansion sleeves with equal length.
6. The expanding pin structure for the hinge beam of the cubic hydraulic machine as set forth in claim 5, wherein: the inner end surface of one unit expansion sleeve is provided with an annular slot (104), and the inner end surface of the other unit expansion sleeve is provided with an annular plug corresponding to the annular slot (104).
7. The expanding pin structure for the hinge beam of the cubic hydraulic machine as set forth in claim 1, wherein: the diameter of the drawing internal thread (301) is larger than the diameter of the inner wall of the inner taper sleeve (3).
8. The expanding pin structure for the hinge beam of the cubic hydraulic machine as set forth in claim 1, wherein: the length of the screw rod (2) is greater than that of the external expansion sleeve (1).
9. The expanding pin structure for the hinge beam of the cubic hydraulic machine as set forth in claim 1, wherein: and the two ends of the screw rod (2) are positioned on the rod body outside the locking nut (5) and are provided with the fastening nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020416745.7U CN211837786U (en) | 2020-03-27 | 2020-03-27 | Hinge beam expansion pin structure of cubic hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020416745.7U CN211837786U (en) | 2020-03-27 | 2020-03-27 | Hinge beam expansion pin structure of cubic hydraulic press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211837786U true CN211837786U (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020416745.7U Active CN211837786U (en) | 2020-03-27 | 2020-03-27 | Hinge beam expansion pin structure of cubic hydraulic press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211837786U (en) |
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2020
- 2020-03-27 CN CN202020416745.7U patent/CN211837786U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210518 Address after: 471800 Room 601, building 8, Huajing new material industrial park, Luoxin industrial cluster, Xin'an County, Luoyang City, Henan Province Patentee after: Luoyang Meizuan diamond cultivation Co.,Ltd. Address before: Qiming road Chan District 471000 Henan city of Luoyang province No. 2 Patentee before: LUOYANG QIMING SUPERHARD MATERIAL Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 471800 Intersection of Jingjin Road and Weiyi Road, Luoxin Park, Xin'an County Economic and Technological Development Zone, Luoyang City, Henan Province Patentee after: Luoyang Meizuan New Material Co.,Ltd. Address before: 471800 Room 601, building 8, Huajing new material industrial park, Luoxin industrial cluster, Xin'an County, Luoyang City, Henan Province Patentee before: Luoyang Meizuan diamond cultivation Co.,Ltd. |