CN215928020U - Connecting structure of casing - Google Patents
Connecting structure of casing Download PDFInfo
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- CN215928020U CN215928020U CN202122223190.1U CN202122223190U CN215928020U CN 215928020 U CN215928020 U CN 215928020U CN 202122223190 U CN202122223190 U CN 202122223190U CN 215928020 U CN215928020 U CN 215928020U
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- casing
- hoop
- main
- auxiliary
- connecting end
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Abstract
The utility model relates to the technical field of turbine engines, and particularly discloses a connection structure of a casing, which is used for realizing the connection of a first casing and a second casing which are adjacent; comprises a main hoop and an auxiliary hoop which is connected with the main hoop and forms an annular locking cavity; the main hoop and the auxiliary hoop are respectively connected with the outer side of the first casing; and the main hoop and the auxiliary hoop are respectively clamped with the second casing. The timeliness is quick and convenient to mount and dismount; the working efficiency is effectively improved.
Description
Technical Field
The utility model relates to the technical field of turbine engines, in particular to a connecting structure of a casing.
Background
The traditional casing connection uses a flange and a bolt, and the design matching of the flange and the bolt has international standards.
Conventional casing designs require 18 bolts and nuts per stage and shims to bolt the casings together, for a total of 5x18x 3-270 bolt-related parts. Each assembly or disassembly needs several hours to be completed, the assembly and disassembly efficiency is low, and the working efficiency is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a connecting structure of a receiver, which is quick and convenient to install and disassemble.
The technical problem to be solved by the utility model is as follows:
a connection structure of a casing is used for realizing the connection of a first casing and a second casing which are adjacent;
comprises a main hoop and an auxiliary hoop which is connected with the main hoop and forms an annular locking cavity;
the main hoop and the auxiliary hoop are respectively connected with the outer side of the first casing; and the main hoop and the auxiliary hoop are respectively clamped with the second casing.
When the structure is adopted, the using number of bolts is reduced, and the quick connection of the two casings is further realized; the mounting and dismounting are convenient, and the working efficiency is effectively improved.
In some possible embodiments, in order to effectively realize the connection between the main hoop and the auxiliary hoop and the first casing;
a spiral structure which is connected with the inner side faces of the main hoop and the auxiliary hoop and takes the axis of the first casing as a main shaft is arranged on the outer side of the first casing; and the inner sides of the main anchor ear and the auxiliary anchor ear are provided with spiral clamping grooves matched with the spiral structures for installation.
In some possible embodiments, in order to effectively connect the two casings, the casing generates axial force as soon as the casing rotates around the axis direction;
the helical structure is in the shape of a multi-thread.
In some possible embodiments, in order to effectively realize the connection between the main hoop and the secondary hoop and the second casing;
and the outer side of the second casing is provided with an annular boss, and the inner side surfaces of the main hoop and the auxiliary hoop are provided with clamping grooves matched with the annular boss.
In some possible embodiments, in order to effectively realize that the position relation of the two casings in the circumferential direction is not changed;
and a plurality of bulges are arranged at the end part of the second casing close to the first casing and are uniformly arranged along the circumferential direction of the second casing.
In some possible embodiments, a protrusion installation groove is formed at an end of the first casing close to the second casing, and the protrusion is installed in the protrusion installation groove.
In some possible embodiments, in order to effectively achieve sealing of the two casing end faces;
and the first casing is provided with an annular groove which is close to the second casing and communicated with the bulge installation groove, and a sealing component is arranged in the annular groove.
In some possible embodiments, in order to effectively realize the connection between the main hoop and the auxiliary hoop, and the connection between the main hoop and the auxiliary hoop and the first casing respectively;
the main hoop and the auxiliary hoop have the same structure; the main hoop comprises a main connecting end I, a main annular section and a main connecting end II which are sequentially connected and form a semicircular ring; the auxiliary hoop comprises an auxiliary connecting end II, an auxiliary annular section and an auxiliary connecting end II which are sequentially connected and form a semicircular ring; the first main connecting end is connected with the second auxiliary connecting end, and the second main connecting end is connected with the second auxiliary connecting end.
In some possible embodiments, in order to effectively realize the connection between the main hoop and the auxiliary hoop and the first casing respectively;
the first main connecting end comprises a body A connected with one end of the main annular section and a mounting seat A arranged on the body A and connected with the outer side of the first casing;
and the secondary connecting end II comprises a body B connected with one end of the secondary annular section and a mounting seat B which is arranged on the body B and is connected with the outer side of the casing.
In some possible embodiments, fixed seats connected with the mounting seat a and the mounting seat B respectively are arranged on the outer side of the first casing, and the two fixed seats are connected with the mounting seat a and the mounting seat B respectively through bolts.
Compared with the prior art, the utility model has the beneficial effects that:
the main hoop and the auxiliary hoop are connected to form the annular locking cavity, the joint of the first casing and the second casing is locked, the connection of the first casing and the second casing is effectively realized, and the connection mode is simple and reliable, and is convenient and quick to install and disassemble;
according to the utility model, the spiral structure in the shape of the multi-thread is arranged on the outer side of the first casing, so that the first casing can effectively generate axial force around the rotation torque of the first casing in the axial direction, and the connection of the two casings is firmer and more stable;
according to the utility model, the sealing washer is arranged in the bulge mounting groove, so that the sealing connection of the two casings is effectively realized;
compared with the prior art, the utility model reduces the use amount of the bolt and the nut, thereby accelerating the mounting and dismounting efficiency.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is an enlarged view of the utility model at B of FIG. 3;
FIG. 5 is a schematic view of the position relationship between the fixing base and the first casing and the main hoop of the present invention;
FIG. 6 is a schematic structural diagram of a first casing and a spiral structure according to the present invention;
FIG. 7 is a schematic structural view of a second casing, an annular boss and a protrusion of the present invention;
FIG. 8 is a schematic view of the connection structure of the main hoop and the auxiliary hoop according to the present invention;
wherein: 1. a main hoop; 11. a first main connecting end; 12. a main annular segment; 13. a second main connecting end; 2. a secondary hoop; 21. the auxiliary connecting end I; 211. a body B; B. a mounting seat B; 22. a secondary annular segment; 23. a secondary connecting end II; 10. a first casing; 101. a helical structure; 102. a sealing gasket; 103. a fixed seat; 104. A bulge mounting groove; 20. a second casing; 201. an annular boss; 202. a protrusion; 203. a circular arc section boss.
Detailed Description
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. Reference herein to "first," "second," and similar words, does not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. In the implementation of the present application, "and/or" describes an association relationship of associated objects, which means that there may be three relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone.
In the description of the embodiments of the present application, the meaning of "a plurality" means two or more unless otherwise specified. For example, the plurality of positioning posts refers to two or more positioning posts. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in detail below.
As shown in fig. 1-8:
a connection structure of a casing is used for realizing the connection of a first casing 10 and a second casing 20 which are adjacent; comprises a main hoop 1 and an auxiliary hoop 2 which is connected with the main hoop 1 and forms an annular locking cavity; the main hoop 1 and the auxiliary hoop 2 are respectively connected with the outer side of the casing I10; the main hoop 1 and the auxiliary hoop 2 are respectively clamped with the second casing 20.
As shown in fig. 1; when the connecting structure is used, the first casing 10 is in butt joint with the second casing 20, then the main hoop 1 and the auxiliary hoop 2 are sleeved on the outer side of the connecting part of the first casing 10 and the second casing 20, and the first casing 10 and the second casing 20 are connected through the connection of the main hoop 1 and the auxiliary hoop 2 and the clamping connection of the main hoop 1 and the auxiliary hoop 2 with the first casing 10 and the second casing 20 respectively; the mounting and dismounting are convenient, and the working efficiency is effectively improved.
In some possible embodiments, in order to effectively realize the connection between the main hoop 1 and the auxiliary hoop 2 and the casing-one 10;
as shown in fig. 3 and 4, a spiral structure 101 which is connected with the inner side surfaces of the main hoop 1 and the auxiliary hoop 2 and takes the axis of the casing one 10 as a main shaft is arranged on the outer side of the casing one 10; and a spiral clamping groove matched with the spiral structure 101 is arranged on the inner sides of the main hoop 1 and the auxiliary hoop 2.
Preferably, the spiral structure 101 takes the main axis of the first casing 10 as a rotation axis, and extends from a side of the first casing 10 close to the second casing 20 to a side far away from the second casing 20.
The helical structure 101 is a thread-like structure, which may be a single thread or a multiple thread.
In some possible embodiments, in order to effectively realize the connection of the two casings, the rotation torque of the first casing 10 around the axial direction thereof generates an axial force;
the helical structure 101 is in the shape of a multiple thread.
The spiral structure 101 is arranged on the outer side of the first casing 10 and is in a convex shape; there is a spacing between two adjacent helix 101 structures; and a certain gradient is formed in the main shaft direction of the first casing 10, so that under the action of the main hoop 1 and the auxiliary hoop 2, an axial force is generated around the main shaft direction of the first casing 10, and the first casing 10 and the second casing 20 are connected together.
In some possible embodiments, as shown in fig. 3, 4 and 7, in order to effectively realize the connection between the main hoop 1 and the secondary hoop 2 and the second casing 20;
an annular boss 201 is arranged on the outer side of the second casing 20, and the inner side surfaces of the main hoop 1 and the auxiliary hoop 2 are provided with clamping grooves matched with the annular boss 201 to be installed.
Preferably, the annular boss 201 is sleeved outside the second casing 20 and is coaxially disposed with the second casing 20, and both of them may be integrally formed.
In some possible embodiments, in order to effectively realize that the position relation of the two casings in the circumferential direction is not changed;
a plurality of protrusions 202 are arranged at the end part of the second casing 20 close to the first casing 10, and the plurality of protrusions 202 are uniformly arranged along the circumferential direction of the second casing 20.
In some possible embodiments, the end of the first casing 10 close to the second casing 20 is provided with a boss installation groove 104, and the boss 202 is installed in the boss installation groove 104.
The protrusion 202 is disposed on the end surface of the first casing 20 close to the first casing 10, and cooperates with the protrusion mounting groove 104 on the first casing 10 to prevent the positions of the first casing 10 and the second casing 20 in the circumferential direction from changing.
In some possible embodiments, in order to effectively achieve the sealing of the two casings;
an annular groove communicated with the bulge installation groove 104 is formed in the first casing 10 close to the second casing 20, and a sealing component is arranged in the annular groove; the sealing assembly is a sealing gasket 102 or packing.
Preferably, the sealing washer 102 or the filler is made of a rubber material, so that the end face sealing of the first casing 10 and the second casing 20 is effectively realized.
Preferably, two adjacent protrusions 202 are connected through a circular arc section boss 203; the circular arc section boss 203 is arranged in the annular groove; the width of the protrusion 202 is greater than the width of the arc segment boss 203.
Preferably, the width of the projection 202 is greater than the width of the annular groove, such that:
in one aspect, the protrusion 202 can seal the top of the gasket 102, so that the first casing 10 and the second casing 20 are connected in a sealing manner;
on the other hand, circumferential positioning is also achieved by the engagement of the boss 202 with the boss-mounting groove 104.
In some possible embodiments, in order to effectively realize the connection between the main hoop 1 and the auxiliary hoop 2, and the connection between the main hoop 1 and the auxiliary hoop 2 and the first casing 10 respectively;
as shown in fig. 8, the main hoop 1 and the auxiliary hoop 2 have the same structure; the main hoop 1 comprises a main connecting end I11, a main annular section 12 and a main connecting end II 13 which are sequentially connected and form a semicircular ring; the auxiliary hoop 2 comprises an auxiliary connecting end I21, an auxiliary annular section 22 and an auxiliary connecting end II 23 which are sequentially connected and form a semicircular ring; the first main connecting end 11 is connected with the second auxiliary connecting end 23, and the second main connecting end 13 is connected with the first auxiliary connecting end 21.
In some possible embodiments, as shown in fig. 6, in order to effectively realize the connection between the main hoop 1 and the auxiliary hoop 2 and the casing one 10 respectively;
the main connecting end I11 comprises a body A connected with one end of the main annular section 12 and a mounting seat A which is arranged on the body A and connected with the outer side of the casing I10;
the first secondary connecting end 21 comprises a body B211 connected with one end of the secondary annular section 22, and a mounting seat B212 mounted on the body B211 and connected with the outer side of the first casing 10.
Preferably, the mounting seat B212, the mounting seat a and the main shaft of the first casing are on the same plane, and are respectively connected with the main hoop 1 and the auxiliary hoop 2 through bolts, so as to apply circumferential torque to the main hoop 1 and the auxiliary hoop 2.
Through the connection of the body A and the secondary connecting end II 23 and the connection of the body B211 and the primary connecting end II 13, the primary hoop 1 and the secondary hoop 2 form an annular locking cavity to lock and connect the joint of the first casing 10 and the second casing 20.
In some possible embodiments, as shown in fig. 7, fixing seats 103 connected to the mounting seat a and the mounting seat B212 respectively are provided on the outer side of the first casing 10, and the two fixing seats 103 are connected to the mounting seat B212 and the mounting seat a respectively through bolts.
As shown in fig. 5, two fixing seats 103 are provided and respectively correspond to the body a and the body B211.
As shown in fig. 1, the fixing seat 103 connected with the body B211 is arranged on a side close to the body B211 close to the secondary annular section 22;
similarly, the fixed seat 103 connected with the body a is arranged at one side close to the main annular section 12 of the body a; this makes the connection more secure.
The fixing base 103 is connected with the mounting base B212 and the mounting base a through bolts, and applies an acting force along the circumferential direction of the first casing 10 to the main hoop 1 or the auxiliary hoop 2, so that the main hoop 1 and the auxiliary hoop 2 are tightly connected with the threads of the first casing 10.
Preferably, the main hoop 1 and the auxiliary hoop 2 can be integrally prepared by adopting a 3D printing technology, and then the separation of the two is realized by adopting a linear cutting mode.
The utility model is not limited to the foregoing embodiments. The utility model extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.
Claims (10)
1. A connection structure of a casing is used for realizing the connection of a first casing and a second casing which are adjacent; the device is characterized by comprising a main hoop and an auxiliary hoop which is connected with the main hoop and forms an annular locking cavity; the main hoop and the auxiliary hoop are respectively connected with the outer side of the first casing; and the main hoop and the auxiliary hoop are respectively clamped with the second casing.
2. The connecting structure of the casing as claimed in claim 1, wherein a spiral structure connected with the inner side of the main hoop and the auxiliary hoop and having the axis of the casing as the main axis is provided at the outer side of the first casing; and the inner sides of the main anchor ear and the auxiliary anchor ear are provided with spiral clamping grooves matched with the spiral structures for installation.
3. A connection structure of a casing as set forth in claim 2, wherein said screw structure is a multiple thread shape.
4. The connecting structure of the casing as claimed in claim 1, wherein an annular boss is disposed on an outer side of the second casing, and inner sides of the main anchor ear and the auxiliary anchor ear are disposed with a slot for fitting the annular boss.
5. A connection structure of a casing as claimed in claim 1, wherein a plurality of protrusions are provided at an end of the second casing close to the first casing, and the plurality of protrusions are uniformly provided along a circumferential direction of the second casing.
6. A connection structure of a casing as claimed in claim 5, wherein a boss installation groove is provided at an end of the first casing adjacent to the second casing, and the boss is installed in the boss installation groove.
7. A connection structure of a casing according to claim 6, wherein an annular groove communicating with the boss installation groove is provided in the first casing adjacent to the second casing, and a seal member is provided in the annular groove.
8. A casing joint structure as claimed in any one of claims 1 to 7, wherein said main and auxiliary hoops are identical in structure;
the main hoop comprises a main connecting end I, a main annular section and a main connecting end II which are sequentially connected and form a semicircular ring;
the auxiliary hoop comprises an auxiliary connecting end II, an auxiliary annular section and an auxiliary connecting end II which are sequentially connected and form a semicircular ring; the first main connecting end is connected with the second auxiliary connecting end, and the second main connecting end is connected with the second auxiliary connecting end.
9. A connection structure of a casing according to claim 8, wherein said primary connection end one comprises a body a connected with one end of the primary annular section, a mounting seat a mounted on the body a and connected with an outer side of the casing;
and the secondary connecting end II comprises a body B connected with one end of the secondary annular section and a mounting seat B which is arranged on the body B and is connected with the outer side of the casing.
10. A connection structure of a casing as claimed in claim 8, wherein fixing bases connected to the mounting base a and the mounting base B are provided on an outer side of the first casing, and the two fixing bases are connected to the mounting base a and the mounting base B by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122223190.1U CN215928020U (en) | 2021-09-14 | 2021-09-14 | Connecting structure of casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122223190.1U CN215928020U (en) | 2021-09-14 | 2021-09-14 | Connecting structure of casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215928020U true CN215928020U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122223190.1U Active CN215928020U (en) | 2021-09-14 | 2021-09-14 | Connecting structure of casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215928020U (en) |
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2021
- 2021-09-14 CN CN202122223190.1U patent/CN215928020U/en active Active
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