CN220037130U - Sealing structure of closing cylinder - Google Patents
Sealing structure of closing cylinder Download PDFInfo
- Publication number
- CN220037130U CN220037130U CN202321241738.8U CN202321241738U CN220037130U CN 220037130 U CN220037130 U CN 220037130U CN 202321241738 U CN202321241738 U CN 202321241738U CN 220037130 U CN220037130 U CN 220037130U
- Authority
- CN
- China
- Prior art keywords
- end cover
- piston rod
- copper
- sealing
- copper sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052802 copper Inorganic materials 0.000 claims abstract description 34
- 239000010949 copper Substances 0.000 claims abstract description 34
- 241000227287 Elliottia pyroliflora Species 0.000 claims abstract description 28
- 210000004907 gland Anatomy 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 2
- 238000004512 die casting Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
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- Actuator (AREA)
Abstract
The utility model discloses a sealing structure of a closing cylinder, which comprises a cylinder barrel, wherein a front end cover is fixedly inserted at one end of the cylinder barrel, a piston rod is slidably inserted at the middle part of the front end cover, a sealing assembly is arranged at the position where the inner side of the front end cover is connected with the piston rod, the sealing assembly comprises a copper sleeve, the copper sleeve is inserted at a gap between the front end cover and the piston rod, and a copper sleeve gland for sealing the copper sleeve is fixedly arranged at the end face of the front end cover. According to the utility model, the copper bush matched with the gap between the front end cover and the piston rod is inserted and arranged at the connecting position of the front end cover and the piston rod to seal, so that stable sealing between the front end cover and the piston rod is realized, meanwhile, the copper bush is strong in self-firmness, not easy to damage, convenient to directly withdraw and replace, and convenient to use is improved.
Description
Technical Field
The utility model relates to the technical field of die casting machines, in particular to a sealing structure of a die-casting cylinder.
Background
At present, in the die casting industry, the die casting forming of a workpiece is generally carried out through a die casting machine, when the existing die casting machine is used, an internal piston component of the die casting machine can drive a die to move, and a power effect is provided for the die to enable the die to carry out die casting operation on the workpiece, but when the piston on the existing die casting machine is used, the sealing of a piston rod and a cylinder barrel end cover is mainly carried out by virtue of the end cover or a sealing pad arranged on the inner side of the end cover, but in the actual use process, the sliding position of the end cover and the piston rod is easy to damage, the sealing performance is poor, and meanwhile, the maintenance difficulty is high, so that the use is influenced.
Disclosure of Invention
The utility model aims to provide a sealing structure of a closing cylinder, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a sealing structure of a closing cylinder, comprising:
the cylinder barrel is fixedly inserted into one end of the cylinder barrel, a front end cover is fixedly inserted into one end of the cylinder barrel, and a piston rod is slidably inserted into the middle of the front end cover;
a sealing component is arranged at the connecting position of the inner side of the front end cover and the piston rod;
the sealing assembly comprises a copper sleeve, the copper sleeve is arranged at a gap between the front end cover and the piston rod in an penetrating mode, and a copper sleeve gland for sealing the copper sleeve is fixedly arranged on the end face of the front end cover.
Preferably, the inner cavity of the cylinder barrel is connected with a piston in a sliding manner, and the middle part of the piston is fixedly connected with the end part of the piston rod in a penetrating manner.
Preferably, the outer wall of the copper bush pressing cover is fixedly connected with the end face of the copper bush, and a detachable locking structure is arranged between the copper bush pressing cover and the front end cover.
Preferably, the locking structure comprises a plurality of locking bolts, the plurality of locking bolts are arranged on the side of the end face of the copper bush gland in an equally-spaced penetrating manner in an annular array, and the plurality of locking bolts are connected with threaded holes in a threaded penetrating manner in the end face of the front end cover.
Preferably, one end of the cylinder barrel far away from the front end cover is fixedly connected with a rear end cover, and a plurality of through holes for mounting and fixing the rear end cover are formed in the end face of the rear end cover.
Preferably, the length of the piston rod is greater than that of the cylinder barrel, and one end of the piston rod, which is far away from the piston, is provided with a connecting head.
The utility model has the technical effects and advantages that:
(1) According to the utility model, the copper bush matched with the gap between the front end cover and the piston rod is inserted and arranged at the connecting position of the front end cover and the piston rod to seal, so that stable sealing between the front end cover and the piston rod is realized, and meanwhile, the copper bush is strong in self-firmness, not easy to damage, convenient to directly withdraw and replace, and convenient to use is improved;
(2) According to the utility model, the copper bush gland is fixedly connected to the end face of the copper bush, so that the copper bush can be supported in an auxiliary way when being installed, the convenience of insertion is improved, and the locking bolt is matched to lock and fix the copper bush and the front end cover, so that the copper bush is conveniently fixed, and the copper bush is conveniently detached, overhauled and replaced in the later period.
Drawings
FIG. 1 is a schematic view of the internal structure of the present utility model.
Fig. 2 is an enlarged schematic view of the structure of fig. 1 at a.
In the figure: 1. a piston rod; 2. a front end cover; 3. a cylinder; 4. a piston; 5. a rear end cover; 6. a copper sleeve; 7. copper bush gland; 8. a locking bolt.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a sealing structure of a combined cylinder as shown in fig. 1-2, which comprises a cylinder barrel 3, wherein one end of the cylinder barrel 3 is fixedly inserted and provided with a front end cover 2, the front end cover 2 is used for sealing one port of the cylinder barrel 3, the middle part of the front end cover 2 is slidably inserted and provided with a piston rod 1, the piston rod 1 penetrates through the front end cover 2 and stretches into the cylinder barrel 3, the movement of the cylinder rod 1 in the cylinder barrel 3 is realized, the length of the piston rod 1 is longer than that of the cylinder barrel 3, and one end of the piston rod 1 far away from the piston 4 is provided with a connecting head, so that when the piston rod 1 stretches into the innermost position of the cylinder barrel 3, the end part of the piston rod 1 is still in an outer position, and the influence on use caused by accidental stretching into the cylinder barrel 3 is avoided;
the sealing component is arranged at the connecting position of the inner side of the front end cover 2 and the piston rod 1, the sealing component comprises a copper sleeve 6, the copper sleeve 6 is inserted in a gap between the front end cover 2 and the piston rod 1, the copper sleeve 6 of the cylinder cover is inserted in the gap between the front end cover 2 and the piston rod 1, the gap between the front end cover 2 and the piston rod 1 is sealed, the piston rod 1 can stretch smoothly, the sealing of the connecting position is kept, the copper sleeve 6 is high in rigidity and high in strength, the copper sleeve is not easy to damage, a copper sleeve gland 7 for sealing the copper sleeve 6 is fixedly arranged on the end face of the front end cover 2, the copper sleeve gland 7 is arranged, the end face between the copper sleeve 6 and the front end cover 2 can be sealed, the copper sleeve 6 can be connected in an auxiliary mode, and therefore insertion or lifting of the copper sleeve 6 on the front end cover 2 is facilitated, and the convenience of mounting of the copper sleeve 6 is improved;
the inner cavity of the cylinder barrel 3 is connected with a piston 4 in a sliding manner, the middle part of the piston 4 is fixedly connected with the end part of the piston rod 1 in a penetrating manner, the piston rod 1 is driven to stretch and retract through the movement of the piston 4 in the cylinder barrel 3, the driving of the piston rod 1 is realized, one end of the cylinder barrel 3 far away from the front end cover 2 is fixedly connected with a rear end cover 5, a plurality of through holes for fixing the rear end cover 5 are formed in the end face of the rear end cover 5, the rear end cover 5 is provided with a seal for the other end port of the cylinder barrel 3, and meanwhile, the through holes on the rear end cover 5 are convenient for integral installation and fixing;
the outer wall of copper sheathing gland 7 is fixed with the terminal surface fixed connection of copper sheathing 6, be provided with detachable locking structure between copper sheathing gland 7 and the front end housing 2, locking structure includes a plurality of lock bolts 8, a plurality of lock bolts 8 are annular array equidistant interlude and set up in the avris of copper sheathing gland 7 terminal surface, and a plurality of lock bolts 8 are threaded hole screw thread interlude and are connected with the screw hole screw thread that front end housing 2 terminal surface was seted up, utilize lock bolt 8 to carry out the compressing tightly of copper sheathing 6 and copper sheathing gland 7 and fix, in the time of can increasing the fastness of copper sheathing 6 installation, can also be convenient for the dismouting of follow-up copper sheathing 6.
The working principle of the utility model is as follows: the copper bush gland 7 and the copper bush 6 are fixed relatively, the copper bush gland 7 can be manually supported to insert the copper bush 6 into a gap between the front end cover 2 and the piston rod 1, the outer wall of the copper bush gland 7 is tightly attached to the outer wall of the front end cover 2, then the locking bolt 8 is inserted from the through hole of the copper bush gland 7 and is rotationally inserted into the threaded hole in the front end cover 2, the copper bush 6 and the front end cover 2 are fixed, the cylinder cover 6 is utilized to block and seal the position between the front end cover 2 and the piston rod 1, stable sealing between the front end cover 2 and the piston rod 1 is achieved, meanwhile, the copper bush 6 is easy and convenient to detach, the locking bolt 8 is only required to be unscrewed, and then the copper bush gland 7 is directly drawn out to directly take the copper bush 6 out.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (4)
1. A sealing structure of a closing cylinder, comprising:
the cylinder barrel (3), one end of the cylinder barrel (3) is fixedly inserted and provided with a front end cover (2), and the middle part of the front end cover (2) is slidably inserted and provided with a piston rod (1);
the method is characterized in that: a sealing component is arranged at the connecting position of the inner side of the front end cover (2) and the piston rod (1);
the sealing assembly comprises a copper sleeve (6), the copper sleeve (6) is arranged at a gap between the front end cover (2) and the piston rod (1) in a penetrating way, and a copper sleeve gland (7) for sealing the copper sleeve (6) is fixedly arranged on the end face of the front end cover (2);
the outer wall of the copper bush pressing cover (7) is fixedly connected with the end face of the copper bush (6), and a detachable locking structure is arranged between the copper bush pressing cover (7) and the front end cover (2);
the locking structure comprises a plurality of locking bolts (8), wherein the locking bolts (8) are arranged on the side of the end face of the copper sleeve gland (7) in an equally-spaced penetrating mode in an annular array mode, and the locking bolts (8) are connected with threaded holes in a threaded penetrating mode in the end face of the front end cover (2).
2. The sealing structure of the combination cylinder according to claim 1, wherein the inner cavity of the cylinder barrel (3) is slidably connected with a piston (4), and the middle part of the piston (4) is fixedly connected with the end part of the piston rod (1) in a penetrating and inserting manner.
3. The sealing structure of the closing cylinder according to claim 1, wherein a rear end cover (5) is fixedly connected to one end of the cylinder barrel (3) far away from the front end cover (2), and a plurality of through holes for mounting and fixing the rear end cover (5) are formed in the end face of the rear end cover (5).
4. The sealing structure of a cylinder according to claim 1, wherein the length of the piston rod (1) is greater than the length of the cylinder tube (3), and a connecting head is provided at one end of the piston rod (1) away from the piston (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321241738.8U CN220037130U (en) | 2023-05-22 | 2023-05-22 | Sealing structure of closing cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321241738.8U CN220037130U (en) | 2023-05-22 | 2023-05-22 | Sealing structure of closing cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220037130U true CN220037130U (en) | 2023-11-17 |
Family
ID=88723322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321241738.8U Active CN220037130U (en) | 2023-05-22 | 2023-05-22 | Sealing structure of closing cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220037130U (en) |
-
2023
- 2023-05-22 CN CN202321241738.8U patent/CN220037130U/en active Active
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