CN219639113U - Pump shaft and connecting structure thereof - Google Patents

Pump shaft and connecting structure thereof Download PDF

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Publication number
CN219639113U
CN219639113U CN202321229243.3U CN202321229243U CN219639113U CN 219639113 U CN219639113 U CN 219639113U CN 202321229243 U CN202321229243 U CN 202321229243U CN 219639113 U CN219639113 U CN 219639113U
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China
Prior art keywords
shaft
connecting piece
hole
shaft body
piece
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CN202321229243.3U
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Chinese (zh)
Inventor
杨树鑫
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Ningbo Mix New Material Technology Co ltd
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Ningbo Mix New Material Technology Co ltd
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Priority to CN202321229243.3U priority Critical patent/CN219639113U/en
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Publication of CN219639113U publication Critical patent/CN219639113U/en
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Abstract

The utility model relates to a pump shaft, which relates to the field of pump shafts and comprises a shaft body, wherein the shaft body is of a cylindrical structure, a positioning groove is formed in the shaft body and is used for installing a part, a mounting groove is formed in the shaft body and is a circular ring groove, and the mounting groove and the shaft body are concentrically arranged and are communicated. The utility model has the effect of improving the tightness of the connection between the shaft body and the gear.

Description

Pump shaft and connecting structure thereof
Technical Field
The utility model relates to the field of pump shafts, in particular to a pump shaft and a connecting structure thereof.
Background
The pump shaft is a structural member which is arranged in the water pump housing and used for driving the gear or the impeller to rotate at a high speed, and in order to improve the wear resistance and the structural strength of the pump shaft, a silicon carbide coating is usually arranged on the pump shaft, so that the pump shaft has better wear resistance and the service life of the pump shaft is prolonged.
A slotted hole for connecting a gear or an impeller is formed in an existing pump shaft, a bayonet lock is used for being inserted into the slotted hole, a through hole is formed in the gear, a connecting groove is formed in the inner wall of the gear, one side of the bayonet lock is inserted into the slotted hole, and the other side of the bayonet lock is inserted into the connecting groove of the gear, so that the gear can be clamped on the pump shaft and rotate along with the pump shaft.
The related technical proposal has the defect that when the gear is arranged on the shaft body, the connection tightness between the gear and the shaft body is poor, so that fluid can leak from a gap between the gear and the shaft body to influence the performance of the pump body.
Disclosure of Invention
In order to improve the tightness of the connection between the shaft body and the gear, the utility model provides a pump shaft and a connecting structure thereof.
The pump shaft provided by the utility model adopts the following technical scheme:
the utility model provides a pump shaft, includes the axis body, and the axis body is the cylinder structure, has seted up the constant head tank on the axis body, and the constant head tank is used for installing the part, has seted up the mounting groove on the axis body, and the mounting groove is the ring groove, and the mounting groove sets up with axis body concentricity, mounting groove and constant head tank intercommunication.
Through adopting above-mentioned technical scheme, through seting up the constant head tank on the axis body, make the constant head tank can with work piece joint such as gear, and then make the axis body can drive the work piece and rotate, through seting up the mounting groove on the axis body, make the mounting groove can supply rubber spare card to go into to make the leakproofness of pump shaft and gear junction promote, reduce the probability that fluid leaked from pump shaft and gear junction.
Optionally, the shaft body is provided with a through hole, the through hole is arranged on the end face of the shaft body and penetrates through the shaft body, and the through hole and the shaft body are concentrically arranged.
Through adopting above-mentioned technical scheme, through offer the through-hole on the axis body, make the structural strength and the wear resistance of axis body remain stable, can reduce the weight of axis body by a wide margin.
The utility model provides a pump shaft connecting structure, which adopts the following technical scheme:
the utility model provides a connection structure of pump shaft, can dismantle on the axis body and be connected with the connecting piece, the connecting piece is the ring structure, has seted up the connecting hole on the connecting piece, and the connecting hole is used for supplying the axis body to insert, is provided with the cooperation piece on the connecting piece, and the cooperation piece is located the connecting piece inner wall, and the cooperation piece is arranged in inserting the constant head tank, is provided with the rubber spare on the connecting piece inner wall, and the rubber spare is arranged in the card in the mounting groove.
Through adopting above-mentioned technical scheme, through setting up the connecting piece on the axis body, set up the fitting piece on the connecting piece inner wall, when the user inserts the coupling hole with the axis body after, the connecting piece can slide along axis body axial direction on the axis body, and the connecting piece passes through the fitting piece card on the axis body to make the axis body keep fixed relative connecting piece.
Optionally, be provided with the snap ring on the axis body, the snap ring is the ring shape structure, is provided with the bolt on the snap ring inner wall, and the bolt is arranged in inserting the constant head tank, is provided with a plurality of draw-in keys on the snap ring, and draw-in keys set up along snap ring circumference equidistance interval, have offered a plurality of mating holes on the connecting piece, and a draw-in key is arranged in inserting a mating hole.
Through adopting above-mentioned technical scheme, through setting up the snap ring on the axis body, make the snap ring pass through the bolt and be connected with the axis body, and then make the axis body drive the snap ring and rotate, through setting up the draw-in key on the snap ring, make the draw-in key can insert in the mating hole and be connected with the connecting piece, when producing wearing and tearing between connecting piece and the axis body, the connecting piece has the tendency of gyration on the axis body, through making connecting piece and snap ring joint, make the connecting piece can keep fixedly on the axis body through the snap ring.
Optionally, a through hole is formed in the clamping ring, and the shaft body penetrates through the clamping ring through the through hole.
Through adopting above-mentioned technical scheme, through seting up the through-hole on the snap ring, make the shaft body can run through the snap ring, when shaft body tip and bearing connection, the bearing can be pushed up on the snap ring, and then makes snap ring and connecting piece fix on the shaft body.
Optionally, an axle seat is arranged at the end part of the axle body, and the axle seat is rotationally connected with the axle body.
Through adopting above-mentioned technical scheme, through setting up the axle bed on the axis body, make axle bed and axis body rotate and be connected, and then make the axis body unsettled setting and rotate, facilitate the use personnel installation and dismantle the axis body.
Optionally, the axle bed is connected with the top piece in a rotating way, and the top piece is in a round table-shaped structure and is used for being abutted on the clamping ring.
Through adopting above-mentioned technical scheme, through setting up the top piece on the axle bed, make the top piece set up to round platform shape, make the inclined plane of round platform can support the tip at snap ring and axis body, and then make snap ring and axis body rotatable coupling on the axle bed, reduce the probability that the snap ring slided along the axial on the axis body.
Optionally, the outer side wall of the connecting piece is used for arranging blades or gear teeth.
Through adopting above-mentioned technical scheme, through setting up the blade on the connecting piece, make the axis body can drive impeller rotation to make the axis body can drive the part rotation of different functions in the water pump.
In summary, the beneficial technical effects of the utility model are as follows:
1. the positioning groove is formed in the shaft body, so that the positioning groove can be clamped with workpieces such as gears and the like, the shaft body can drive the workpieces to rotate, the mounting groove is formed in the shaft body, the rubber piece can be clamped in the mounting groove, the tightness of the joint of the pump shaft and the gears is improved, and the leakage probability of fluid from the joint of the pump shaft and the gears is reduced;
2. the connecting piece is arranged on the shaft body, the matching piece is arranged on the inner wall of the connecting piece, when a user inserts the shaft body into the connecting hole, the connecting piece can slide on the shaft body along the axial direction of the shaft body, and the connecting piece is clamped on the shaft body through the matching piece, so that the shaft body is kept fixed relative to the connecting piece;
3. through set up the top piece on the axle bed, make the top piece set up to round platform shape, make the inclined plane of round platform can support the tip at snap ring and axis body, and then make snap ring and axis body rotatable coupling on the axle bed, reduce the probability that the snap ring slided along the axial on the axis body.
Drawings
Fig. 1 is a schematic structural view of a shaft body according to embodiment 1 of the present utility model.
Fig. 2 is a schematic diagram showing the connection relationship between the shaft body and the connecting member according to embodiment 1 of the present utility model.
Fig. 3 is a schematic structural view of a connector according to embodiment 1 of the present utility model.
Fig. 4 is a schematic structural view of a snap ring according to embodiment 2 of the present utility model.
Fig. 5 is a schematic diagram illustrating a connection relationship between a shaft seat and a shaft body according to embodiment 2 of the present utility model.
Fig. 6 is a schematic structural diagram of a shaft seat according to embodiment 2 of the present utility model.
Reference numerals: 1. a shaft body; 11. a through hole; 12. a positioning groove; 13. a mounting groove; 2. a connecting piece; 21. a connection hole; 22. a mating member; 23. a rubber member; 24. a mating hole; 3. a clasp; 31. a plug pin; 32. a clamping key; 4. a shaft seat; 41. a top piece.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Example 1
The embodiment of the utility model discloses a pump shaft, referring to fig. 1, which comprises a shaft body 1, wherein the shaft body 1 is of a cylindrical structure, a through hole 11 is formed in the shaft body 1, the through hole 11 is formed in the center of the end face of the shaft body 1, the through hole 11 penetrates through the shaft body 1, and the through hole 11 and the shaft body 1 are concentrically arranged. The through hole 11 can greatly reduce the weight of the shaft body 1 with less reduction in the structural strength of the shaft body 1.
Referring to fig. 1, a positioning groove 12 is formed in a shaft body 1, the positioning groove 12 is formed in an end face of one side of the shaft body 1, and a forming direction of the positioning groove 12 is parallel to a length direction of the shaft body 1. The positioning groove 12 is used for inserting a clamping piece, so that parts such as gears and the like can be fixedly connected to the shaft body 1 and rotate through the shaft body 1.
Referring to fig. 1, a shaft body 1 is provided with a mounting groove 13, the mounting groove 13 is provided on the shaft body 1 and is communicated with a positioning groove 12, and the mounting groove 13 is an annular groove. The mounting groove 13 is used for mounting the component.
The embodiment of the utility model also discloses a connecting structure of the pump shaft, referring to fig. 2 and 3, comprising a connecting piece 2, wherein the connecting piece 2 is of a circular ring structure, a connecting hole 21 is formed at the center of the connecting piece 2, and the shaft body 1 can be inserted into the connecting hole 21, so that the connecting piece 2 is arranged on the shaft body 1. The connecting piece 2 is provided with a matching piece 22, the matching piece 22 is fixed on the inner wall of the connecting piece 2, the matching piece 22 is used for sliding into the positioning groove 12, and when the shaft body 1 rotates, the connecting piece 2 can rotate along with the shaft body 1 through the matching piece 22. Gear teeth or blades can be arranged on the outer wall of the connecting piece 2, so that the shaft body 1 can drive the gear or the impeller to rotate.
Referring to fig. 3, the connecting member 2 is provided with a rubber member 23, the rubber member 23 is disposed in the connecting hole 21 of the connecting member 2, the rubber member 23 is in a strip structure and is adhered in the connecting member 2, the rubber member 23 has elasticity, when the shaft body 1 is inserted into the connecting hole 21, the rubber member 23 can slide on the shaft body 1 and be clamped in the mounting groove 13, and at this time, the rubber member 23 fills and seals the mounting groove 13, thereby enhancing the connection tightness between the shaft body 1 and the connecting member 2 and reducing the probability of leakage of fluid from the shaft body 1 to the connecting member 2.
Referring to fig. 4, a collar 3 is detachably connected to a shaft body 1, the collar 3 is in a circular cover structure, and the collar 3 is used for being sleeved on the shaft body 1. The snap ring 3 is connected with a plurality of bolts 31, and the bolts 31 are equidistantly arranged along the circumferential direction of the snap ring 3 at intervals. A plurality of fitting holes 24 are formed in one side end face of the connector 2, and a plug pin 31 is inserted into one fitting hole 24. After the connecting piece 2 is mounted on the shaft body 1, a user can mount the snap ring 3 on the shaft body 1, so that the snap ring 3 is abutted on the connecting piece 2. The clamping ring 3 is provided with a clamping key 32, and the clamping key 32 is used for being connected in the positioning groove 12 in a sliding way. When the shaft body 1 rotates, the shaft body 1 drives the snap ring 3 to rotate, the snap ring 3 is fixedly connected with the connecting piece 2 through the bolt 31, and then the connection firmness of the connecting piece 2 on the shaft body 1 is improved.
The implementation principle of the embodiment of the utility model is as follows: through setting up connecting piece 2 on axis body 1, make the cooperation piece 22 of connecting piece 2 can block in constant head tank 12 to the convenience of use personnel installs connecting piece 2 on axis body 1, through setting up rubber spare 23 on connecting piece 2, makes rubber spare 23 can block in mounting groove 13, and then makes the connection leakproofness between lifting shaft body 1 and the connecting piece 2.
Example 2
The embodiment of the utility model discloses a connecting structure of a pump shaft, and referring to fig. 5 and 6, on the basis of embodiment 1, a through hole is formed in the middle of a clamping ring 3, the through hole is arranged concentrically with the clamping ring 3, an axle seat 4 is arranged at the end part of an axle body 1, and the axle seat 4 is used for propping against the end part of the axle body 1 and is rotationally connected with the axle body 1. The shaft seat 4 is provided with a top piece 41, the top piece 41 is rotatably connected to the shaft seat 4, and the top piece 41 is used for being inserted into a through hole of the clamping ring 3, so that the clamping ring 3 can be kept abutting against the connecting piece 2.
Referring to fig. 6, the top piece 41 is configured as a circular truncated cone structure, and the side wall of the top piece 41 is used for being abutted on the snap ring 3, when the shaft seats 4 are arranged on two sides of the shaft body 1, the shaft seats 4 play a role in supporting the shaft body 1, so that the snap ring 3 and the connecting piece 2 can be stably connected on the shaft body 1, and the probability that the snap ring 3 and the connecting piece 2 axially move on the shaft body 1 along the shaft body 1 can be reduced.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. A pump shaft, characterized by: including axis body (1), axis body (1) is the cylinder structure, has seted up constant head tank (12) on axis body (1), and constant head tank (12) are used for installing the part, have seted up mounting groove (13) on axis body (1), and mounting groove (13) are the ring groove, and mounting groove (13) set up with axis body (1) is concentric, mounting groove (13) and constant head tank (12) intercommunication.
2. The pump shaft of claim 1, wherein: the shaft body (1) is provided with a through hole (11), the through hole (11) is arranged on the end face of the shaft body (1) and penetrates through the shaft body (1), and the through hole (11) and the shaft body (1) are concentrically arranged.
3. The pump shaft connection structure according to claim 2, characterized in that: the connecting piece (2) can be dismantled on axis body (1), connecting piece (2) are ring-shaped structure, connecting hole (21) have been seted up on connecting piece (2), connecting hole (21) are used for supplying axis body (1) to insert, be provided with fitting piece (22) on connecting piece (2), fitting piece (22) are located on connecting piece (2) inner wall, fitting piece (22) are arranged in inserting constant head tank (12), be provided with rubber spare (23) on connecting piece (2) inner wall, rubber spare (23) are arranged in the card in mounting groove (13).
4. A connection structure of a pump shaft according to claim 3, characterized in that: be provided with snap ring (3) on axis body (1), snap ring (3) are ring-shaped structure, are provided with bolt (31) on snap ring (3) inner wall, and bolt (31) are arranged in inserting constant head tank (12), are provided with a plurality of bayonet locks (32) on snap ring (3), and bayonet locks (32) are arranged along snap ring (3) circumference equidistance interval, have offered a plurality of mating holes (24) on connecting piece (2), and a bayonet lock (32) are arranged in inserting a mating hole (24).
5. The pump shaft connection structure according to claim 4, characterized in that: the clamping ring (3) is provided with a through hole, and the shaft body (1) penetrates through the clamping ring (3) through the through hole.
6. The pump shaft connection structure according to claim 5, characterized in that: the end part of the shaft body (1) is provided with a shaft seat (4), and the shaft seat (4) is rotationally connected with the shaft body (1).
7. The pump shaft connection structure of claim 6, wherein: the shaft seat (4) is rotationally connected with a top piece (41), the top piece (41) is of a truncated cone-shaped structure, and the top piece (41) is used for being abutted to the clamping ring (3).
8. A connection structure of a pump shaft according to claim 3, characterized in that: the outer side wall of the connecting piece (2) is used for arranging blades or gear teeth.
CN202321229243.3U 2023-05-18 2023-05-18 Pump shaft and connecting structure thereof Active CN219639113U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321229243.3U CN219639113U (en) 2023-05-18 2023-05-18 Pump shaft and connecting structure thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321229243.3U CN219639113U (en) 2023-05-18 2023-05-18 Pump shaft and connecting structure thereof

Publications (1)

Publication Number Publication Date
CN219639113U true CN219639113U (en) 2023-09-05

Family

ID=87821159

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321229243.3U Active CN219639113U (en) 2023-05-18 2023-05-18 Pump shaft and connecting structure thereof

Country Status (1)

Country Link
CN (1) CN219639113U (en)

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