CN215719743U - Pump coupling with axial locking function - Google Patents
Pump coupling with axial locking function Download PDFInfo
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- CN215719743U CN215719743U CN202121310468.2U CN202121310468U CN215719743U CN 215719743 U CN215719743 U CN 215719743U CN 202121310468 U CN202121310468 U CN 202121310468U CN 215719743 U CN215719743 U CN 215719743U
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- hole
- coupling
- pump
- axial
- shaft
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Abstract
The utility model provides a pump coupling with axial locking function, includes the shaft coupling, shaft coupling one end in be equipped with the axial retaining member, be equipped with the reducing hole on the retaining member, be equipped with the smooth hole on the retaining member in the reducing hole outside, be equipped with the axial hole on the shaft coupling, wear to be equipped with same check lock lever in smooth hole and the axial hole, the one end of check lock lever is worn out by axial hole one end and is connected with the pump shaft hoop, the pump shaft hoop is used for cramping the pump shaft. By adopting the structure, the utility model can ensure the connection stability between the coupler and the pump shaft and solve the problem of axial movement of the coupler in the operation process.
Description
Technical Field
The utility model relates to the field of couplings, in particular to a pump coupling with an axial locking function.
Background
In general, kinetic energy of a pump comes from a motor, the driving mode is generally driven by a coupler, the matching form of a coupler hole and the excircle of a pump shaft is transition fit, interference or clearance fit is allowed by design, and when clearance fit occurs, the coupler is easy to axially float, so that normal use of the pump is affected.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a pump coupler with an axial locking function, which can ensure the connection stability between the coupler and a pump shaft and solve the problem of axial movement of the coupler in the operation process.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides a pump coupling with axial locking function, includes the shaft coupling, shaft coupling one end in be equipped with the axial retaining member, be equipped with the reducing hole on the retaining member, be equipped with the smooth hole on the retaining member in the reducing hole outside, be equipped with the axial hole on the shaft coupling, wear to be equipped with same check lock lever in smooth hole and the axial hole, the one end of check lock lever is worn out by axial hole one end and is connected with the pump shaft hoop, the pump shaft hoop is used for cramping the pump shaft.
In the preferred scheme, the coupling sleeve is arranged at one end of the pump shaft, a flat key is arranged on the side wall of the pump shaft, a key groove is formed in the inner wall of the coupling, and the flat key and the key groove are matched to realize torque transmission.
In the preferred scheme, the part of the inner wall of the coupler, which is used for installing the locking part, is provided with an internal thread, the outer wall of the locking part is provided with an external thread, and the external thread is connected with the internal thread to realize the fixation of the locking part on the coupler.
In the preferred scheme, the pump shaft hoop is formed by hinging two semicircular rings, a perforated column is arranged on an ear plate of one semicircular ring forming the pump shaft hoop, and the locking rod penetrates through the perforated column.
In the preferred scheme, a threaded hole along the axial direction of the pump shaft is formed in the column with the hole, a threaded section is arranged at one end of the locking rod, and the threaded section is in threaded connection with the column with the hole.
In a preferred scheme, the maximum diameter of the variable-diameter hole is larger than the diameter of the pump shaft, and the minimum diameter of the variable-diameter hole is smaller than the diameter of the pump shaft.
The pump coupling with the axial locking function, provided by the utility model, has the following beneficial effects by adopting the structure:
(1) the locking rod realizes the axial connection stability of the locking part and the coupler, and avoids the axial movement problem of the coupler;
(2) through the cooperation between pump shaft hoop and the check lock pole, can realize the interference connection stability between pump shaft and the shaft coupling, further strengthen axial stability.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the pump shaft hoop structure of the present invention.
In the figure: the pump shaft comprises a pump shaft 1, a coupler 2, a flat key 3, a key groove 4, a locking piece 5, a smooth hole 501, a reducing hole 502, an external thread 6, an internal thread 7, an axial hole 8, a pump shaft hoop 9, a hole column 10, a locking rod 11 and a thread section 12.
Detailed Description
As in fig. 1-2, a pump coupling with axial locking function, including shaft coupling 2, 2 one end of shaft coupling in be equipped with axial retaining member 5, be equipped with reducing hole 502 on the retaining member 5, be equipped with smooth hole 501 on the retaining member 5 outside reducing hole 502, be equipped with axial hole 8 on the shaft coupling 2, wear to be equipped with same check lock lever 11 in smooth hole 501 and the axial hole 8, the one end of check lock lever 11 is worn out and is connected with pump shaft hoop 9 by 8 one end in the axial hole, pump shaft hoop 9 is used for hooping pump shaft 1.
In the preferred scheme, the shaft coupling 2 is sleeved at one end of the pump shaft 1, the side wall of the pump shaft 1 is provided with the flat key 3, the inner wall of the shaft coupling 2 is provided with the key groove 4, and the flat key 3 and the key groove 4 are matched to realize torque transmission.
In the preferred scheme, the coupling 2 be used for installing partial inner wall of retaining member 5 on be equipped with internal thread 7, be equipped with external screw thread 6 on the retaining member 5 outer wall, external screw thread 6 is connected with internal thread 7 and realizes retaining member 5 fixed on coupling 2.
In a preferable scheme, the pump shaft hoop 9 is formed by hinging two semicircular rings, a perforated column 10 is arranged on an ear plate of one semicircular ring forming the pump shaft hoop 9, and a locking rod 11 is arranged by penetrating through the perforated column 10.
In a preferable scheme, a threaded hole along the axial direction of the pump shaft 1 is formed in the column 10 with the hole, a threaded section 12 is arranged at one end of the locking rod 11, and the threaded section 12 is in threaded connection with the column 10 with the hole.
In a preferable scheme, the maximum diameter of the reducing hole 502 is larger than the diameter of the pump shaft 1, and the minimum diameter of the reducing hole 502 is smaller than the diameter of the pump shaft 1.
This neotype installation principle as follows:
the locking member 5 is installed on one end of the coupling 2 (the locking member is connected and fastened through the thread fit between the external thread 6 and the internal thread 7), then the pump shaft hoop 9 is installed on the pump shaft 1 (the installation position of the pump shaft hoop 9 is close to but not close to the coupling 2), then the locking rod 11 passes through the smooth hole 501 and the axial hole 8 and then passes through the column with the hole 10 (the state after installation is shown in figure 1), then the locking rod 11 is continuously rotated, in the process of continuously rotating the locking rod 11 (namely the process of continuously matching the thread section 12 with the thread hole on the column with the hole 10), as the thread hole on the column with the hole 10 is matched with the locking rod 11, the continuous rotation of the locking rod 11 can enable the pump shaft hoop 9 to drive the pump shaft 1 to move relative to the locking rod 11 (namely the pump shaft 1 moves axially relative to the coupling 2), and finally the interference fit between the variable diameter hole 502 on the pump shaft 1 and the locking member 5 is realized, the purpose of stable axial connection is achieved.
Claims (6)
1. The utility model provides a pump coupling with axial locking function, includes shaft coupling (2), its characterized in that: shaft coupling (2) one end in be equipped with axial retaining member (5), be equipped with reducing hole (502) on retaining member (5), be equipped with smooth hole (501) on retaining member (5) in the reducing hole (502) outside, be equipped with axial hole (8) on shaft coupling (2), wear to be equipped with same root check lock lever (11) in smooth hole (501) and axial hole (8), the one end of check lock lever (11) is worn out and is connected with pump shaft hoop (9) by axial hole (8) one end, pump shaft hoop (9) are used for cramping pump shaft (1).
2. The pump coupling with axial locking function of claim 1, characterized in that: the shaft coupling (2) is sleeved on one end of the pump shaft (1), a flat key (3) is arranged on the side wall of the pump shaft (1), a key groove (4) is formed in the inner wall of the shaft coupling (2), and the flat key (3) and the key groove (4) are matched to realize torque transmission.
3. The pump coupling with axial locking function of claim 1, characterized in that: coupling shaft coupling (2) be used for installing partial inner wall of retaining member (5) on be equipped with internal thread (7), be equipped with on retaining member (5) outer wall external screw thread (6), external screw thread (6) are connected with internal thread (7) and are realized retaining member (5) fixed on coupling shaft coupling (2).
4. The pump coupling with axial locking function of claim 1, characterized in that: the pump shaft hoop (9) is formed by hinging two semicircular rings, a hole column (10) is arranged on an ear plate of one semicircular ring forming the pump shaft hoop (9), and a locking rod (11) penetrates through the hole column (10).
5. A pump coupling with axial locking function according to claim 4, characterized in that: the pump is characterized in that the column (10) with the hole is provided with a threaded hole along the axial direction of the pump shaft (1), one end of the locking rod (11) is provided with a threaded section (12), and the threaded section (12) is in threaded connection with the column (10) with the hole.
6. The pump coupling with axial locking function of claim 1, characterized in that: the maximum diameter of the variable-diameter hole (502) is larger than the diameter of the pump shaft (1), and the minimum diameter of the variable-diameter hole (502) is smaller than the diameter of the pump shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121310468.2U CN215719743U (en) | 2021-06-11 | 2021-06-11 | Pump coupling with axial locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121310468.2U CN215719743U (en) | 2021-06-11 | 2021-06-11 | Pump coupling with axial locking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215719743U true CN215719743U (en) | 2022-02-01 |
Family
ID=80042232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121310468.2U Active CN215719743U (en) | 2021-06-11 | 2021-06-11 | Pump coupling with axial locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215719743U (en) |
-
2021
- 2021-06-11 CN CN202121310468.2U patent/CN215719743U/en active Active
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| GR01 | Patent grant |