CN214743343U - Powder sealing device - Google Patents
Powder sealing device Download PDFInfo
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- CN214743343U CN214743343U CN202120863873.0U CN202120863873U CN214743343U CN 214743343 U CN214743343 U CN 214743343U CN 202120863873 U CN202120863873 U CN 202120863873U CN 214743343 U CN214743343 U CN 214743343U
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- elastic body
- shell
- connecting shaft
- sealing device
- ring
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Abstract
The utility model discloses a powder sealing device, which comprises a shell, an elastic body and two movable rings; the shell, the elastic body and the movable ring are sleeved outside the connecting shaft; a containing groove is formed in the shell; the elastic body and the two movable rings are both arranged in the accommodating groove; the two movable rings are respectively positioned at the upper end surface and the lower end surface of the elastic body; the elastic body is always in a compressed state after being installed, so that the upper end surface and the lower end surface are tightly attached to the two movable rings and the two movable rings are respectively tightly attached to the top surface and the bottom surface in the shell; an air nozzle is arranged on the shell; the air nozzle is used for providing high-pressure gas for the interior of the shell so as to seal powder on the connecting shaft; the utility model discloses simple structure optimizes, and is sealed effectual, conveniently changes the maintenance, and can practice thrift repair time, improves production efficiency.
Description
Technical Field
The utility model relates to a sealing equipment field, concretely relates to seal material sealing device.
Background
At present, in the sealing of dry powder or powder at shafts and rod pieces, the sealing effect is not ideal, the problem of powder leakage exists, and in addition, the problem of troublesome maintenance and disassembly also exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a powder sealing device to reach and optimize seal structure and improve sealed purpose.
The utility model adopts the technical proposal that: a powder sealing device comprises a shell, an elastic body and two movable rings, wherein the shell, the elastic body and the two movable rings are sleeved on the outer part of a connecting shaft; a containing groove is formed in the shell; the elastic body and the two movable rings are both arranged in the accommodating groove; the two movable rings are respectively positioned at the upper end surface and the lower end surface of the elastic body; the elastic body is always in a compressed state after being installed, so that the upper end surface and the lower end surface are tightly attached to the two movable rings and the two movable rings are respectively tightly attached to the top surface and the bottom surface in the shell;
an air nozzle is arranged on the shell; the air tap is used for providing high-pressure gas for the interior of the shell so as to seal powder on the connecting shaft.
Furthermore, the shell is of a cylindrical structure, and a through hole which penetrates through the upper end face and the lower end face and is used for mounting a connecting shaft is formed in the axis; the diameter of the through hole is larger than that of the connecting shaft.
Further, the housing includes a first stationary ring and a second stationary ring; the accommodating groove is formed in the second stationary ring; the first stationary ring is detachably mounted at the lower end of the second stationary ring and is positioned below the accommodating groove.
Furthermore, the movable ring is of a cylindrical structure, and a straight hole which penetrates through the upper end face and the lower end face and is used for mounting the connecting shaft is formed in the axis; a circular groove for installing an elastic body is formed in the upper end face of the movable ring; the circular groove is communicated with the straight hole and is coaxial with the straight hole; and the two movable rings are connected with the end surface of the elastic body at the circular groove.
Further, the diameter of the straight hole is equal to that of the connecting shaft; the diameter of the circular groove is larger than that of the elastic body.
Furthermore, the elastic body is of a circular ring structure, and a connecting shaft is sleeved at the middle hole position.
Further, the method also comprises the following steps: a locking ring for securing the elastomer; the locking ring is sleeved on the outer wall of the elastic body; the inner diameter of the locking ring is smaller than the outer diameter of the elastic body, so that the elastic body is compressed and fixed after installation.
Further, an air pressure space with a T-shaped section is formed between the two movable rings and the shell; the air transmission channel of the air faucet is communicated with the air pressure space.
Further, the movable ring is connected with the shell in a sliding mode.
To sum up, the utility model discloses following beneficial effect has: the utility model discloses simple structure optimizes, and is sealed effectual, conveniently changes the maintenance, and can practice thrift repair time, improves production efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, A1, shell; 1. a first stationary ring; 2. a second stationary ring; 3. a moving ring; 4. locking a ring; 5. an elastomer; 6. an air tap; 7. an air pressure space; 8. and (7) connecting the shafts.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. The terms "second" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "second" or "second" may explicitly or implicitly include one or more of that feature.
In the present disclosure, unless otherwise expressly stated or limited, the second feature "on" or "under" the second feature may comprise the second and second feature being in direct contact, or the second and second feature being in contact, not directly, but via another feature therebetween. Also, a second feature "on," "above," and "above" a second feature includes the second feature being directly above and obliquely above the second feature, or simply indicating that the second feature is at a higher level than the second feature. A second feature being "under," "below," and "beneath" the second feature includes the second feature being directly under and obliquely below the second feature, or simply means that the second feature is at a lesser level than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not intended to indicate or imply that the referenced device or element must be in a particular orientation, constructed and operated, and therefore should not be construed as limiting the present invention.
The present invention will be further explained with reference to the embodiments of the drawings.
As shown in fig. 1, the utility model provides a powder sealing device, which comprises a shell A1, an elastomer 5 and two movable rings 3; the shell A1, the elastic body 5 and the movable ring 3 are all sleeved outside the connecting shaft 8 and share the same axis; a containing groove is formed in the shell A1; the elastic body 5 and the two movable rings 3 are both arranged in the accommodating groove; the two movable rings 3 are respectively positioned at the upper end surface and the lower end surface of the elastic body 5, and the movable rings 3 are tightly attached to the end surfaces of the elastic body 5; the elastic body 5 is always in a compressed state after being installed, so that elastic force is provided, the upper end surface and the lower end surface of the elastic body 5 are tightly attached to the two movable rings 3, the end surfaces, far away from the elastic body 5, of the two movable rings 3 are tightly attached to the top surface and the bottom surface inside the shell A1 respectively, tight connection between the elastic body 5 and the movable rings 3 and tight connection between the movable rings 3 and the shell A1 are guaranteed, and a sealing effect is guaranteed.
An air nozzle 6 is arranged on the shell A1; the air tap 6 is used for providing high-pressure gas for the interior of the shell a1, and the air pressure of the high-pressure gas is higher than the air pressure of the powder, so that the space in the interior of the shell a1 is filled with the high-pressure gas, the powder is prevented from leaking out of the shell a1, and the sealing effect is improved.
After the elastic body 5 is installed, the inner diameter of the elastic body is tightly attached to the connecting shaft 8, so that leakage of powder from the connecting shaft 8 is prevented, and other components are tightly attached through elasticity, so that a sealing effect is guaranteed, and leakage of the powder from the connecting position between the elastic body 5 and the moving ring 3 or the connecting position between the moving ring 3 and the shell A1 is prevented.
In one embodiment, a gas pressure space 7 with a T-shaped cross section is formed between the two movable rings 3 and the shell a 1; the gas transmission channel of the gas nozzle 6 is communicated with the air pressure space 7, and the air pressure space 7 is filled with high-pressure gas, so that powder is prevented from leaking out of the shell A1.
In one embodiment, the shell a1 is a cylindrical structure and is provided with a through hole penetrating through the upper and lower end faces at the axis for mounting the connecting shaft 8; the diameter of the through hole is larger than that of the connecting shaft 8, and the shell A1 is sleeved on the connecting shaft 8 at the through hole.
In one embodiment, the housing a1 includes a first stationary ring 1 and a second stationary ring 2; the accommodating groove is formed in the second stationary ring 2; the first stationary ring 1 is detachably mounted at the lower end of the second stationary ring 2 and is positioned below the accommodating groove; wherein, can carry out the dismouting of casing A1 internal part fast through the connection of dismantling of first quiet ring 1, and need not dismantle the integrated device, alright carry out the dismouting of part, convenient change and maintenance.
In one embodiment, the movable ring 3 is provided with a cylindrical structure, and a straight hole which penetrates through the upper end surface and the lower end surface and is used for installing the connecting shaft 8 is arranged at the axis; a circular groove for installing an elastic body 5 is arranged on the upper end face of the movable ring 3; the circular groove is communicated with the straight hole and is coaxial with the straight hole; and the two movable rings 3 are connected with the end surface of the elastic body 5 at the circular groove.
Further, the diameter of the straight hole is equal to that of the connecting shaft 8, so that the inner diameter of the movable ring 3 is tightly attached to the connecting shaft 8; the diameter of the circular recess is larger than that of the elastic body 5 to thereby mount the elastic body 5 to the circular recess, and a fixing member, such as a locking ring 4, may be provided on the outer wall of the elastic body 5.
In one embodiment, the elastic body 5 is provided in a circular ring structure to sleeve the connecting shaft 8 at the middle hole position.
In one embodiment, further comprising: a locking ring 4 for fixing the elastic body 5; the locking ring 4 is sleeved on the outer wall of the elastic body 5; the inner diameter of the locking ring 4 is smaller than the outer diameter of the elastic body 5, so that when the locking ring is mounted on the outer wall of the elastic body 5, the elastic body 5 can be extruded, the elastic body 5 is tightly attached to the connecting shaft 8, the elastic body 5 is fixed, and in addition, when the connecting shaft 8 rotates, the elastic body 5 and the movable ring 3 can rotate together.
In one embodiment, the movable ring 3 is slidably connected to the housing a1, and grease is provided at the end surface of the housing a1 connected to the two movable rings 3, so as to achieve the sliding connection between the movable ring 3 and the housing a1, and when the movable ring 3 rotates along with the connecting shaft 8, the housing a1 is stable and stationary, thereby ensuring the normal operation of the connecting shaft 8.
The utility model discloses simple structure optimizes, and is sealed effectual, conveniently changes the maintenance, and can practice thrift repair time, improves production efficiency, and occupation space is little simultaneously, and the device is with low costs.
The above is only the preferred embodiment of the present invention, the present invention is not limited to the above embodiment, there may be local minor structural modification in the implementation process, if it is right that various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, and belong to the claims and the equivalent technical scope of the present invention, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. A powder sealing device is characterized in that: comprises a shell, an elastic body and two movable rings, wherein the shell, the elastic body and the two movable rings are sleeved on the outer part of a connecting shaft; a containing groove is formed in the shell; the elastic body and the two movable rings are both arranged in the accommodating groove; the two movable rings are respectively positioned at the upper end surface and the lower end surface of the elastic body; the elastic body is always in a compressed state after being installed, so that the upper end surface and the lower end surface are tightly attached to the two movable rings and the two movable rings are respectively tightly attached to the top surface and the bottom surface in the shell;
an air nozzle is arranged on the shell; the air tap is used for providing high-pressure gas for the interior of the shell so as to seal powder on the connecting shaft.
2. The powder sealing device of claim 1, wherein: the shell is of a cylindrical structure, and a through hole which penetrates through the upper end face and the lower end face and is used for mounting a connecting shaft is formed in the axis; the diameter of the through hole is larger than that of the connecting shaft.
3. The powder sealing device of claim 1, wherein: the housing includes a first stationary ring and a second stationary ring; the accommodating groove is formed in the second stationary ring; the first stationary ring is detachably mounted at the lower end of the second stationary ring and is positioned below the accommodating groove.
4. The powder sealing device of claim 1, wherein: the movable ring is of a cylindrical structure, and a straight hole which penetrates through the upper end face and the lower end face and is used for mounting a connecting shaft is formed in the axis; a circular groove for installing an elastic body is formed in the upper end face of the movable ring; the circular groove is communicated with the straight hole and is coaxial with the straight hole; and the two movable rings are connected with the end surface of the elastic body at the circular groove.
5. The powder sealing device of claim 4, wherein: the diameter of the straight hole is equal to that of the connecting shaft; the diameter of the circular groove is larger than that of the elastic body.
6. The powder sealing device of claim 1, wherein: the elastic body is of a circular ring-shaped structure, and a connecting shaft is sleeved at the middle hole position.
7. The powder sealing device of claim 1, further comprising: a locking ring for securing the elastomer; the locking ring is sleeved on the outer wall of the elastic body; the inner diameter of the locking ring is smaller than the outer diameter of the elastic body, so that the elastic body is compressed and fixed after installation.
8. The powder sealing device of claim 1, wherein: an air pressure space with a T-shaped section is formed between the two movable rings and the shell; the air transmission channel of the air faucet is communicated with the air pressure space.
9. The powder sealing device of claim 1, wherein: the movable ring is connected with the shell in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120863873.0U CN214743343U (en) | 2021-04-25 | 2021-04-25 | Powder sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120863873.0U CN214743343U (en) | 2021-04-25 | 2021-04-25 | Powder sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214743343U true CN214743343U (en) | 2021-11-16 |
Family
ID=78613304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120863873.0U Active CN214743343U (en) | 2021-04-25 | 2021-04-25 | Powder sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214743343U (en) |
-
2021
- 2021-04-25 CN CN202120863873.0U patent/CN214743343U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510000 the first floor of Gongshang, Zhongjin and Xiagang community Bund, Dongzhou village, Xintang Town, Zengcheng, Guangzhou, Guangdong Province Patentee after: Guangzhou anzhuo Sealing Technology Co.,Ltd. Address before: 510000 the first floor of Gongshang, Zhongjin and Xiagang community Bund, Dongzhou village, Xintang Town, Zengcheng, Guangzhou, Guangdong Province Patentee before: GUANGZHOU ANZOR MACHINERY TECHNOLOGY CO.,LTD. |