CN220705800U - Water pump mounting structure of motorcycle engine - Google Patents
Water pump mounting structure of motorcycle engine Download PDFInfo
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- CN220705800U CN220705800U CN202322533597.3U CN202322533597U CN220705800U CN 220705800 U CN220705800 U CN 220705800U CN 202322533597 U CN202322533597 U CN 202322533597U CN 220705800 U CN220705800 U CN 220705800U
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- pump
- water
- sleeve body
- mounting structure
- water pump
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 238000007789 sealing Methods 0.000 claims description 16
- 230000007704 transition Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 abstract description 18
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000000110 cooling liquid Substances 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a water pump mounting structure of a motorcycle engine, and belongs to the technical field of motorcycles. The technical problem that the installation accuracy of the existing motorcycle engine water pump is insufficient is solved. In this motorcycle engine's water pump mounting structure, the engine includes the cylinder body, and the water pump includes the pump body of being connected with the cylinder body, have on the pump body and be the convex center cover body of column, center cover body location is inserted and is located in the cylinder body, mounting structure include the locating sleeve body with be located on the cylinder body and with the water inlet of water jacket intercommunication, the locating sleeve body be located on the pump body and be the columnar protrusion setting, this locating sleeve body with center cover body parallel and interval arrangement, the terminal surface of locating sleeve body have with the apopore of pump body inner chamber intercommunication, locating sleeve body location is inserted and is located in the water inlet of cylinder body and make the apopore with the water jacket intercommunication. The utility model is beneficial to saving operation steps and ensuring the accurate installation of the water pump.
Description
Technical Field
The utility model belongs to the technical field of motorcycles, and relates to a water pump mounting structure of a motorcycle engine.
Background
The motorcycle engine can produce a large amount of heat when the operation, and most engines can all adopt and install the water pump on the engine and cool down the engine, and current water pump is for simple to operate, directly wears the water pump axle to establish in the engine, and is covered with the water pump lid at the crankcase again, has accomplished the installation and the location to the water pump.
The applicant has declared before this and has granted the water pump structure of an engine of bulletin number CN217926059U, the engine includes crankcase lid, set up the pump shaft mounting hole on the crankcase lid, this water pump structure includes the water pump body and pump cover, the one end of the water pump body inserts in the pump shaft mounting hole along the axial and is connected with the crankcase lid, the other end of the water pump body is located the crankcase lid and is connected with the pump cover outward, the last rotation of the water pump body is connected with the pump shaft, the crankcase lid has the installation piece, the mounting groove has been seted up on the installation piece, the one end of pump shaft stretches out the water pump body and the tip inserts the mounting groove in and can rotate in the mounting groove.
The water pump in the structure is convenient to maintain, but for the water pump with larger size, the assembly personnel with larger mass need to constantly adjust the angle position during installation, so that the installation accuracy is not easy to guarantee.
Disclosure of Invention
The utility model provides a water pump mounting structure of a motorcycle engine aiming at the problems existing in the prior art, which aims to solve the technical problems that: how to improve the installation accuracy of the motorcycle water pump.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a water pump mounting structure of motorcycle engine, the engine includes the cylinder body, the water pump includes the pump body of being connected with the cylinder body, have on the pump body and be the convex center cover body of column, center cover body location is inserted and is located in the cylinder body, its characterized in that, mounting structure include the locating sleeve body with be located on the cylinder body and with the water inlet of water jacket intercommunication, the locating sleeve body is located on the pump body and be the columnar protrusion setting, this locating sleeve body with center cover body parallel and interval arrangement, the terminal surface of the locating sleeve body have with the apopore of pump body inner chamber intercommunication, locating sleeve body location is inserted and is located in the water inlet of cylinder body and make the apopore with the water jacket intercommunication.
A cooling water jacket is arranged in a cylinder body of the engine, an impeller in a water pump rotates to drive cooling liquid in the pump body to circularly flow, the impeller is arranged in a central sleeve body on the pump body and can be driven by a rotating shaft opposite to the central sleeve body in the cylinder body, and the central sleeve body is inserted in the cylinder body to ensure the connection positioning effect and can be internally provided with components such as a bearing structure; through set up the protrusion and with the parallel spaced locating sleeve body of center cover body on the pump body to set up the apopore in the terminal surface of locating sleeve body, make the locating sleeve body insert in locating the water inlet on the cylinder body, when the assembly personnel installs the water pump to the cylinder body like this, can operate simultaneously that center cover body inserts the cylinder body and the locating sleeve body inserts the water inlet, realize the accurate location of pump body and cylinder body through two points, it is accurate convenient to guarantee the follow-up installation that links firmly, can accomplish the intercommunication of apopore and cylinder body internal water cover simultaneously, do benefit to saving operation step and guarantee the installation is accurate.
In the water pump mounting structure of the motorcycle engine, the length dimension of the central sleeve body along the axial direction is larger than the length dimension of the positioning sleeve body. Therefore, an assembler can insert the central sleeve body into a preset hole position of the cylinder body, and then can swing the whole cylinder body around the central sleeve body to align the central sleeve body before the positioning sleeve body is inserted into the water inlet, and the central sleeve body cannot be dislocated, so that the installation accuracy and convenience are improved.
In the water pump mounting structure of the motorcycle engine, the end face edge of the positioning sleeve body is subjected to fillet or chamfer transition treatment, the periphery of the positioning sleeve body is provided with a sealing groove which is circumferentially arranged, the periphery of the positioning sleeve body is sleeved with a sealing ring, and the sealing ring is positioned in the sealing groove and seals between the positioning sleeve body and the inner wall of the water inlet. The positioning sleeve body is more convenient and labor-saving when being inserted into the water inlet, and meanwhile, the phenomenon that the radial size of the positioning sleeve body is too small relative to the size of the water inlet to shake is avoided when the positioning sleeve body is sealed with the inner wall of the water inlet.
In the water pump mounting structure of the motorcycle engine, the edge of the port of the water inlet is subjected to fillet or chamfer transition treatment, the inner wall of the water inlet is provided with annular limiting steps, and a gap is reserved between the end face of the positioning sleeve body and the limiting steps. The convenience of inserting the water inlet installation of the locating sleeve body is further improved, the movable stroke of the locating sleeve body can be restrained by the limiting step, limiting protection is provided for the locating sleeve body under the condition that the locating sleeve body can be installed in place, and the fact that the sealing effect and the matching precision are affected by larger movement of the pump body at the locating sleeve body under the action of external force is avoided.
In the water pump mounting structure of the motorcycle engine, the cylinder body is provided with the plurality of convex connecting seats, the plurality of connecting pieces penetrate through the pump body and are fixedly connected with the connecting seats, the connecting pieces are arranged at intervals around the periphery of the pump body, and the pump body at the connecting pieces is in limiting abutting joint with the connecting seats. Therefore, the pump body and the cylinder body can be ensured to be stably connected through the connecting pieces which are arranged at intervals in the circumferential direction, the connecting seat is in abutting connection with the pump body at the corresponding position, the position limitation of the other dimension of the pump body can be realized, and the final mounting position is accurate due to the fact that the other structures on the surface of the cylinder body are prevented from interfering by the pump body.
In the water pump mounting structure of the motorcycle engine, the pump body is further provided with a water inlet hole, and a port communicated with the inner cavity of the pump body is opposite to the central sleeve body. The water inlet is used for introducing the cooling liquid into the pump body and then flowing out of the water outlet, so that the cooling liquid is directly acted by the impeller at the center sleeve body.
In the water pump mounting structure of the motorcycle engine, the joint of the inner cavity side wall of the pump body and the inner wall of the water outlet hole is subjected to cambered surface transition treatment. Thus, the cooling liquid can smoothly turn to flow out of the water outlet hole, and the energy loss of the water pump is reduced.
Compared with the prior art, the utility model has the following advantages:
when this motorcycle engine's water pump mounting structure assembly personnel installs the water pump to the cylinder body, but the operation center cover body inserts the cylinder body simultaneously and the positioning sleeve body inserts the water inlet, realizes the accurate location of pump body and cylinder body through two points, and it is accurate convenient to ensure follow-up fixedly to link up the installation, can accomplish the intercommunication of apopore and cylinder body inner water cover simultaneously, does benefit to saving operation step and ensure that the installation is accurate.
Drawings
Fig. 1 is a schematic perspective view of the present embodiment.
Fig. 2 is a schematic side view of the present embodiment.
Fig. 3 is a sectional view of the structure A-A in fig. 2.
Fig. 4 is an enlarged view of a portion B in fig. 3.
Fig. 5 is a schematic diagram of the explosive structure of the present embodiment.
In the figure, 1, a cylinder body; 11. a water jacket; 12. a water inlet; 121. a limit step; 13. a connecting seat;
2. a pump body; 21. a central sleeve body; 22. positioning the sleeve body; 221. a water outlet hole; 222. sealing grooves; 23. a water inlet hole;
3. a seal ring; 4. and a connecting piece.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1-5, in the water pump mounting structure of the motorcycle engine, the engine comprises a cylinder body 1, the water pump comprises a pump body 2 connected with the cylinder body 1, a columnar convex center sleeve body 21 is arranged on the pump body 2, the center sleeve body 21 is positioned and inserted in the cylinder body 1, the mounting structure comprises a positioning sleeve body 22 and a water inlet 12 which is positioned on the cylinder body 1 and communicated with a water jacket 11, the positioning sleeve body 22 is positioned on the pump body 2 and is arranged in a columnar convex manner, the positioning sleeve body 22 is parallel to and spaced from the center sleeve body 21, a water outlet 221 communicated with the inner cavity of the pump body 2 is arranged on the end surface of the positioning sleeve body 22, the positioning sleeve body 22 is positioned and inserted in the water inlet 12 of the cylinder body 1 and enables the water outlet 221 to be communicated with the water jacket 11, and the center sleeve body 21 and an internal impeller structure can be existing parts. A cooling water jacket 11 is arranged in a cylinder body 1 of the engine, an impeller in a water pump can rotate to drive cooling liquid in a pump body 2 to circularly flow, the impeller is arranged in a central sleeve body 21 on the pump body 2 and can be driven by a rotating shaft opposite to the central sleeve body 21 in the cylinder body 1, and the central sleeve body 21 is inserted into the cylinder body 1, so that the connecting and positioning effects are ensured, and meanwhile, components such as a bearing structure and the like can be arranged in the central sleeve body 21; through set up the protrusion and with the parallel spaced locating sleeve body 22 of central cover body 21 on the pump body 2 to set up apopore 221 in the terminal surface of locating sleeve body 22, make locating sleeve body 22 insert in locating the water inlet 12 on the cylinder body 1, when the assembly personnel installs the water pump to cylinder body 1 like this, can operate simultaneously that central cover body 21 inserts cylinder body 1 and locating sleeve body 22 and insert water inlet 12, realize the accurate location of pump body 2 and cylinder body 1 through two points, it is accurate convenient to ensure follow-up fixedly to link up the installation, can accomplish the intercommunication of apopore 221 and cylinder body 1 inner water jacket 11 simultaneously, do benefit to saving the operation step and ensure the installation is accurate. Specifically, the length dimension of the center housing 21 in the axial direction is larger than the length dimension of the positioning housing 22. Therefore, an assembler can insert the central sleeve body 21 into a preset hole position of the cylinder body 1, and then can swing the whole cylinder body 1 around the central sleeve body 21 to align the central sleeve body 22 before inserting the central sleeve body 22 into the water inlet 12, so that the central sleeve body 21 cannot be dislocated, and the installation accuracy and convenience are improved. The end surface edge of the positioning sleeve body 22 is subjected to chamfering transition treatment, the periphery of the positioning sleeve body 22 is provided with a sealing groove 222 which is circumferentially arranged, the periphery of the positioning sleeve body 22 is sleeved with a sealing ring 3, and the sealing ring 3 is positioned in the sealing groove 222 and seals between the positioning sleeve body 22 and the inner wall of the water inlet 12. Therefore, the positioning sleeve body 22 is more convenient and labor-saving when being inserted into the water inlet 12, and meanwhile, the phenomenon that the radial size of the positioning sleeve body 22 is too small relative to the size of the water inlet 12 to shake is avoided while the sealing of the positioning sleeve body 22 and the inner wall of the water inlet 12 is ensured. The edge of the port of the water inlet 12 is subjected to chamfering transition treatment, the inner wall of the water inlet 12 is provided with an annular limiting step 121, and a space is reserved between the end face of the positioning sleeve body 22 and the limiting step 121. Thus, the convenience of the positioning sleeve 22 inserted into the water inlet 12 is further improved, the limiting step 121 can restrict the movable stroke of the positioning sleeve 22, and limiting protection is provided for the positioning sleeve 22 under the condition that the positioning sleeve 22 can be installed in place, so that the pump body 2 at the positioning sleeve 22 is prevented from being greatly moved by external force to affect the sealing effect and the matching precision. The joint of the inner cavity side wall of the pump body 2 and the inner wall of the water outlet 221 is subjected to cambered surface transition treatment. This facilitates smooth diversion of the coolant out of the water outlet 221, reducing the energy consumption of the pump. Further, the cylinder body 1 is provided with four convex connecting seats 13, the four connecting pieces 4 penetrate through the pump body 2 and are fixedly connected with the connecting seats 13, the connecting pieces 4 are bolts, the four connecting pieces 4 are arranged at intervals around the periphery of the pump body 2, and the pump body 2 at the connecting pieces 4 is in limiting abutting connection with the connecting seats 13. Therefore, the pump body 2 and the cylinder body 1 can be ensured to be stably connected through the four connecting pieces 4 which are circumferentially arranged at intervals, the connecting seat 13 is in abutting connection with the pump body 2 at the corresponding position, the position limitation of the other dimension of the pump body 2 can be realized, and the pump body 2 is ensured to avoid the interference of other structures on the surface of the cylinder body 1 so as to realize the accurate final installation position. The pump body 2 is also provided with a water inlet hole 23, and the port of the water inlet hole 23 communicated with the inner cavity of the pump body 2 is opposite to the position of the central sleeve body 21. The water inlet 23 is used for introducing the cooling liquid into the pump body 2 and then flowing out of the water outlet 221, so that the cooling liquid is directly acted by the impeller at the central sleeve 21.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (7)
1. The utility model provides a water pump mounting structure of motorcycle engine, the engine includes cylinder body (1), and the water pump includes pump body (2) of being connected with cylinder body (1), have on pump body (2) be columnar convex center cover body (21), center cover body (21) location is inserted and is located in cylinder body (1), its characterized in that, mounting structure include locating sleeve body (22) and be located on cylinder body (1) and water inlet (12) with water jacket (11) intercommunication, locating sleeve body (22) are located on pump body (2) and be columnar protrusion setting, this locating sleeve body (22) with center cover body (21) are parallel and the interval arrangement, the terminal surface of locating sleeve body (22) have with water outlet (221) of pump body (2) inner chamber intercommunication, locating sleeve body (22) location are inserted and are located in water inlet (12) of cylinder body (1) and make apopore (221) with water jacket (11) intercommunication.
2. The water pump mounting structure of a motorcycle engine according to claim 1, wherein a length dimension of the center housing (21) in the axial direction is larger than a length dimension of the positioning housing (22).
3. The water pump mounting structure of a motorcycle engine according to claim 1 or 2, characterized in that the end surface edge of the positioning sleeve body (22) is subjected to fillet or chamfer transition treatment, the periphery of the positioning sleeve body (22) is provided with a sealing groove (222) which is circumferentially arranged, the periphery of the positioning sleeve body (22) is sleeved with a sealing ring (3), and the sealing ring (3) is positioned in the sealing groove (222) and seals between the positioning sleeve body (22) and the inner wall of the water inlet (12).
4. A water pump mounting structure of a motorcycle engine according to claim 3, characterized in that the port edge of the water inlet (12) is subjected to a rounded or chamfered transition treatment, the inner wall of the water inlet (12) is provided with an annular limit step (121), and a space is left between the end face of the positioning sleeve body (22) and the limit step (121).
5. The water pump mounting structure of a motorcycle engine according to claim 1 or 2, characterized in that the junction of the inner cavity side wall of the pump body (2) and the inner wall of the water outlet hole (221) is subjected to cambered surface transition treatment.
6. The water pump mounting structure of a motorcycle engine according to claim 1 or 2, characterized in that the cylinder body (1) is provided with a plurality of protruding connecting seats (13), a plurality of connecting pieces (4) penetrate through the pump body (2) and are fixedly connected with the connecting seats (13), the connecting pieces (4) are arranged at intervals around the periphery of the pump body (2), and the pump body (2) positioned at the connecting pieces (4) is in limit abutting connection with the connecting seats (13).
7. The water pump mounting structure of a motorcycle engine according to claim 1 or 2, characterized in that the pump body (2) is further provided with a water inlet hole (23), and a port communicating with the inner cavity of the pump body (2) is opposite to the position of the central sleeve body (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322533597.3U CN220705800U (en) | 2023-09-18 | 2023-09-18 | Water pump mounting structure of motorcycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322533597.3U CN220705800U (en) | 2023-09-18 | 2023-09-18 | Water pump mounting structure of motorcycle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220705800U true CN220705800U (en) | 2024-04-02 |
Family
ID=90453212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322533597.3U Active CN220705800U (en) | 2023-09-18 | 2023-09-18 | Water pump mounting structure of motorcycle engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220705800U (en) |
-
2023
- 2023-09-18 CN CN202322533597.3U patent/CN220705800U/en active Active
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