CN216199477U - Split flange type guide sleeve structure - Google Patents
Split flange type guide sleeve structure Download PDFInfo
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- CN216199477U CN216199477U CN202122801417.6U CN202122801417U CN216199477U CN 216199477 U CN216199477 U CN 216199477U CN 202122801417 U CN202122801417 U CN 202122801417U CN 216199477 U CN216199477 U CN 216199477U
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Abstract
The utility model discloses a split flange type guide sleeve structure, and belongs to the technical field of hydraulic cylinders. The guide sleeve comprises a guide sleeve main body arranged on the inner wall of the right end of the cylinder barrel, and the guide sleeve main body is slidably sleeved on a piston rod; the device also comprises a gland connected to the right end of the cylinder barrel; the right end of the guide sleeve main body is provided with a step, the left end of the gland is provided with a counter bore, the step of the guide sleeve main body is positioned in the counter bore of the gland, the left end of the step of the guide sleeve main body is attached to the right end face of the cylinder barrel, and the right end of the step of the guide sleeve main body is attached to the bottom face of the counter bore of the gland. The guide sleeve main body is provided with the steps at the end part, and the steps are positioned in the end surface of the cylinder barrel and the counter bore of the gland, so that the guide sleeve is simple and convenient to process and install, high in material utilization rate and low in cost; the cylinder end face is welded with the annular table, the gland and the annular table are connected through flange screws, so that the disassembly and the later maintenance are convenient, the structure is simple, and the stability and the reliability are high.
Description
Technical Field
The utility model relates to the technical field of hydraulic cylinders, in particular to a split flange type guide sleeve structure.
Background
The guide sleeve is an important part in the hydraulic oil cylinder, is matched with an inner hole of the cylinder barrel to be relatively static and is matched with an outer circle of the piston rod to move relatively. At present, a hydraulic oil cylinder guide sleeve is generally integrated, the difference between an inner hole of the guide sleeve and the excircle of the guide sleeve is large, the material utilization rate is low, the processing working hour is long, and the production cost is high.
The Chinese patent discloses a split type guide sleeve structure and a hydraulic oil cylinder (CN 201920274240.9), wherein the split type guide sleeve structure comprises a guide sleeve body and an annular gland; the periphery of the annular gland is provided with a thread surface; the outer periphery of the guide sleeve body is provided with a boss which can be abutted against the end face of the first end of the annular gland, the inner periphery of the second end of the annular gland extends inwards to form an annular flange, and when the boss is abutted against the end face of the first end of the annular gland, a main sealing ring mounting groove is formed between the annular flange and the first end of the guide sleeve body; the inner periphery of the second end of the annular gland is provided with a dustproof ring mounting groove, and the outer periphery close to the second end of the guide sleeve body is provided with an outer sealing ring mounting groove. This split type uide bushing structure packs into the uide bushing body earlier when the pneumatic cylinder assembly, and the uide bushing body is directly overlapped on the piston rod, convenient assembling, the integrated dust ring compact structure of annular gland only needs to disassemble annular gland when changing main seal circle and dust ring, and it is convenient to change.
The defects of the technology are as follows: the inner wall and the outer wall of the annular gland are respectively matched with the guide sleeve body and the cylinder barrel, the dimensional requirement precision is high, and the annular gland is not suitable for processing and assembling; connecting threads are arranged on the outer wall of the annular gland and the cylinder barrel, and the problem of difficulty in machining and assembling also exists in the connecting mode, so that the structure is integrally complex, and the later maintenance cost is high.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a split flange type guide sleeve structure.
The utility model is realized by the following technical scheme: a split flange type guide sleeve structure comprises a guide sleeve main body arranged on the inner wall of the right end of a cylinder barrel, wherein the guide sleeve main body is slidably sleeved on a piston rod; the device also comprises a gland connected to the right end of the cylinder barrel; the right end of the guide sleeve main body is provided with a step, the left end of the gland is provided with a counter bore, the step of the guide sleeve main body is positioned in the counter bore of the gland, the left end of the step of the guide sleeve main body is attached to the right end face of the cylinder barrel, and the right end of the step of the guide sleeve main body is attached to the bottom face of the counter bore of the gland.
It further comprises the following steps: the right end of the cylinder barrel is provided with an annular table, the right end of the cylinder barrel and the annular table are located through matching of an inner spigot and an outer spigot, and the right end of the cylinder barrel and the annular table are fixedly connected through welding.
The periphery of the gland is provided with a flange hole, the right end face of the annular table is provided with a threaded hole corresponding to the gland flange hole, and the gland and the annular table are fixedly connected through screws.
A plurality of outer grooves are formed in the outer wall of the guide sleeve main body, a sealing ring is installed in each outer groove of the guide sleeve main body, a plurality of inner grooves are formed in the inner wall of the guide sleeve main body, and a main seal and a support ring are installed in each inner groove of the guide sleeve main body.
An inner groove is formed in the inner wall of the gland, and a dustproof ring is arranged in the groove in the gland.
The guide sleeve main body is a seamless steel pipe.
The gland is made of round steel.
Compared with the prior art, the utility model has the beneficial effects that: the guide sleeve main body is provided with steps at the end part, and the steps are positioned in the end surface of the cylinder barrel and the counter bore of the gland, so that the guide sleeve is simple and convenient to process and install, high in material utilization rate and low in cost; the end face of the cylinder barrel is welded with the annular table, and the gland is connected with the annular table through flange screws, so that the disassembly and the later maintenance are convenient, the structure is simple, and the stability and the reliability are high; the guide sleeve is processed by adopting a seamless steel pipe material, and the guide sleeve gland is processed by adopting round steel, so that the utilization rate of the material is improved, and the processing time is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. a cylinder barrel; 1-1, a ring platform; 2. a guide sleeve main body; 2-1, a step; 3. a gland; 4. a piston rod; 5. and (4) screws.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figure 1, the right end of the cylinder barrel 1 is provided with an outer seam allowance, the left end of the annular table 1-1 is provided with an inner seam allowance, the right end of the cylinder barrel 1 and the annular table 1-1 are positioned in a matched mode through the inner seam allowance and the outer seam allowance, and the right end of the cylinder barrel 1 is fixedly connected with the annular table 1-1 through welding. The right end face of the annular table 1-1 is provided with threaded holes uniformly distributed around the axis.
The gland 3 is processed by round steel, and the material utilization rate is high. The left end of the gland 3 is provided with a counter bore, and the periphery of the gland 3 is provided with flange holes which are in one-to-one correspondence with the annular platforms 1-1. The gland 3 is attached to the annular table 1-1 and fixedly connected with the annular table through a screw 5. An inner groove is formed in the inner wall of the gland 3, and a dustproof ring is arranged in the groove in the gland 3.
The guide sleeve main body 2 is processed by adopting a seamless steel pipe, and the material utilization rate is high. The inner hole of the guide sleeve main body 2 is matched with the outer circle of the piston rod 4, and the outer circle of the guide sleeve main body 2 is matched with the inner hole of the cylinder barrel 1. The right end of the guide sleeve main body 2 is provided with a step 2-1, the step 2-1 of the guide sleeve main body 2 is positioned in a counter bore of the gland 3, the left end of the step 2-1 of the guide sleeve main body 2 is attached to the right end face of the annular table 1-1 on the cylinder barrel 1, and the right end of the step 2-1 of the guide sleeve main body 2 is attached to the bottom face of the counter bore of the gland 3. A plurality of outer slots have been seted up to 2 outer walls of uide bushing main part, and the sealing washer is installed to 2 outer slots of uide bushing main part, and a plurality of interior slots have been seted up to 2 inner walls of uide bushing main part, and the sealed or support ring of installation owner in the slot in the uide bushing main part 2.
In the embodiment, the end part of the guide sleeve main body 2 is provided with the step 2-1, and the step 2-1 is positioned in the end surface of the annular platform 1-1 of the cylinder barrel 1 and the counter bore of the gland 3, so that the processing and the installation are simple and convenient, the material utilization rate is high, and the cost is low; the end face of the cylinder barrel 1 is welded with the annular table 1-1, the gland 3 is connected with the annular table 1-1 through the flange screws 5, so that the disassembly and the later maintenance are convenient, and the cylinder barrel is simple in structure, stable and reliable. The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (7)
1. A split flange type guide sleeve structure comprises a guide sleeve main body (2) arranged on the inner wall of the right end of a cylinder barrel (1), wherein the guide sleeve main body (2) is sleeved on a piston rod (4) in a sliding mode; the method is characterized in that: the cylinder also comprises a gland (3) connected to the right end of the cylinder barrel (1); the right end of the guide sleeve main body (2) is provided with a step (2-1), the left end of the gland (3) is provided with a counter bore, the step (2-1) of the guide sleeve main body (2) is positioned in the counter bore of the gland (3), the left end of the step (2-1) of the guide sleeve main body (2) is attached to the right end face of the cylinder barrel (1), and the right end of the step (2-1) of the guide sleeve main body (2) is attached to the bottom face of the counter bore of the gland (3).
2. The split flange type guide sleeve structure according to claim 1, wherein: the right end of the cylinder barrel (1) is provided with an annular table (1-1), the right end of the cylinder barrel (1) and the annular table (1-1) are positioned in a matched mode through an inner spigot and an outer spigot, and the right end of the cylinder barrel (1) is fixedly connected with the annular table (1-1) through welding.
3. The split flange type guide sleeve structure according to claim 2, wherein: the periphery of the gland (3) is provided with a flange hole, the right end face of the annular table (1-1) is provided with a threaded hole corresponding to the flange hole of the gland (3), and the gland (3) and the annular table (1-1) are fixedly connected through a screw (5).
4. The split flange type guide sleeve structure according to claim 1, wherein: a plurality of outer grooves are formed in the outer wall of the guide sleeve main body (2), sealing rings are installed in the outer grooves of the guide sleeve main body (2), a plurality of inner grooves are formed in the inner wall of the guide sleeve main body (2), and a main seal and a support ring are installed in the inner grooves of the guide sleeve main body (2).
5. The split flange type guide sleeve structure according to claim 1, wherein: an inner groove is formed in the inner wall of the gland (3), and a dustproof ring is arranged in the inner groove of the gland (3).
6. The split flange type guide sleeve structure according to claim 1, wherein: the guide sleeve main body (2) is a seamless steel pipe.
7. The split flange type guide sleeve structure according to claim 1, wherein: the gland (3) is made of round steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122801417.6U CN216199477U (en) | 2021-11-16 | 2021-11-16 | Split flange type guide sleeve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122801417.6U CN216199477U (en) | 2021-11-16 | 2021-11-16 | Split flange type guide sleeve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216199477U true CN216199477U (en) | 2022-04-05 |
Family
ID=80911093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122801417.6U Active CN216199477U (en) | 2021-11-16 | 2021-11-16 | Split flange type guide sleeve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216199477U (en) |
-
2021
- 2021-11-16 CN CN202122801417.6U patent/CN216199477U/en active Active
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