CN212717201U - Water pump device and engine - Google Patents
Water pump device and engine Download PDFInfo
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- CN212717201U CN212717201U CN202021248400.1U CN202021248400U CN212717201U CN 212717201 U CN212717201 U CN 212717201U CN 202021248400 U CN202021248400 U CN 202021248400U CN 212717201 U CN212717201 U CN 212717201U
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- flange
- water pump
- belt pulley
- pump device
- pivot
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Abstract
An embodiment of the utility model provides a water pump unit and engine. The utility model provides a water pump device, including the pump body, pivot, flange and belt pulley, the pump body has the holding chamber, and the rotatable setting of pivot is at the holding intracavity, and flange sets up at the tip of pivot, belt pulley detachable and flange joint. The utility model discloses a water pump unit can normally assemble and install on the organism of engine.
Description
Technical Field
The utility model relates to an automobile parts technical field especially relates to a water pumping plant and engine.
Background
In the field of automobile manufacturing, some motorcycle types have strict requirements on the total length of an engine, nowadays, the length of the engine matched with more and more motorcycle types is shorter, in order to meet the length requirement of the engine, a shock absorber and a belt pulley need to be integrated, in order to meet the torsional vibration performance, the shock absorber needs to be increased by a certain multiple, in order to meet the requirement that the speed ratio of a water pump in a transmission gear train is not changed, the diameter of the belt pulley also needs to be increased by the same multiple.
The existing engine generally comprises a machine body and a water pump device, wherein the water pump device comprises a pump body, a rotating shaft, a bearing, a belt pulley and the like, the rotating shaft penetrates through the pump body, the belt pulley is sleeved on the end part of the rotating shaft, the bearing is sleeved on the rotating shaft and is connected with the pump body, the belt pulley and the pump body are of an integrated assembly structure, and the pump body is connected with the machine body through a plurality of connecting bolts so as to be installed on the machine body.
Therefore, when the diameter of the pulley is increased, the bolt connecting the water pump device and the machine body is blocked by the pulley, and the water pump device cannot be normally installed on the machine body.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a water pump unit and engine, when the diameter increase of belt pulley, still can guarantee the normal assembly of engine.
On the one hand, the utility model provides a water pump device, including the pump body, pivot, flange and belt pulley, the pump body has the holding chamber, and the rotatable setting of pivot is at the holding intracavity, and flange sets up the tip in the pivot, and belt pulley detachable and flange joint.
The utility model provides a water pump device includes the pump body, pivot, flange and belt pulley, and the pump body has the holding chamber, and the rotatable setting of pivot is at the holding intracavity, and flange sets up at the tip of pivot, belt pulley detachable and flange joint. The utility model provides a through flange joint between the pump body among the water pump unit and the belt pulley, consequently, be convenient for change the belt pulley, be convenient for use the water pump unit that this embodiment provided.
Optionally, the utility model provides an among the water pump unit, still include the connecting piece, be provided with first connecting hole on the flange, have the second connecting hole on the belt pulley, and first connecting hole and second connecting hole correspond the setting, and second connecting hole and first connecting hole are worn to locate in proper order to the connecting piece to connect belt pulley and flange.
Like this for can reliably be connected between belt pulley and the flange, prevent that belt pulley and flange from taking place to separate, influencing the utility model provides a water pump device's use.
Optionally, in the water pump apparatus provided by the utility model, the connecting piece is a threaded fastener.
Therefore, the threaded fastener can be fastened or loosened to realize connection or separation between the belt pulley and the connecting flange, and the operation is convenient.
Optionally, the utility model provides an among the water pump unit, the belt pulley is run through along the axial to the second connecting hole, and the connecting piece is connected to flange by the outer terminal surface of belt pulley.
Like this, can guarantee that the axial of connecting piece is unanimous with belt pulley, flange's axial to can carry out reliable connection with belt pulley and flange, guarantee the normal use of the water pump device that this embodiment provided.
Optionally, the utility model provides a water pump device, first connecting hole is a plurality of, and arranges on flange's different positions of circumference.
Like this, can guarantee that every department of flange and every department of belt pulley can both carry out reliable connection, prevent that belt pulley and flange from taking place to separate.
Optionally, the utility model provides an among the water pump unit, be provided with connecting bolt on the terminal surface of the orientation belt pulley one side of the pump body, and connecting bolt is located the projected outside of flange in the pivot axial.
Like this, it is right to be convenient for the utility model provides a water pump unit fixes convenient to use.
Optionally, the utility model provides an among the water pump unit, interference fit between flange and the pivot.
In this way, a large torque can be prevented from being transmitted between the connection flange and the rotating shaft, and therefore, a reliable connection between the connection flange and the rotating shaft can be ensured.
Optionally, the utility model provides an among the water pump unit, it is equipped with the bearing still to overlap in the pivot, the outer wall of bearing and the interior wall connection of the pump body, the terminal surface butt of flange and bearing.
Therefore, the rotation precision of the rotating shaft can be ensured, the rotating shaft can rotate smoothly, and the position of the connecting flange can be limited.
When the water pump device that provides this embodiment assembles, at first establish the bearing housing in the pivot, then wear to establish pivot and bearing to the holding intracavity, establish flange housing in the pivot then, and make flange's an end face butt keep away from the terminal surface of the pump body at the bearing on, then establish the belt pulley housing in the pivot, and make the belt pulley be in flange's the outside, at last through a plurality of connecting pieces of tightening, be connected belt pulley and flange, can accomplish the assembly to the water pump device that this embodiment provided.
On the other hand, the utility model provides an engine, including organism and foretell water pumping plant, water pumping plant's the pump body passes through connecting bolt and links to each other with the organism to install water pumping plant on the organism.
Optionally, the utility model provides an in the engine, still including setting up the front end train on the organism, the front end train includes a plurality of annex wheels, and the annex wheel passes through the belt and links to each other with water pumping plant's belt pulley.
When needs are right the utility model provides an engine uses, first step need assemble the water pump device, at first establish the bearing housing in the pivot, then wear to establish pivot and bearing to the holding intracavity, then establish flange housing in the pivot, and make a terminal surface butt of flange keep away from on the terminal surface of the pump body at the bearing, then establish the belt pulley housing in the pivot, and make the belt pulley be in flange's the outside, at last through tightening a plurality of connecting pieces, be connected belt pulley and flange, can accomplish the assembly to the water pump device that this embodiment provided; the second step then needs to install pumping plant on the organism, specifically, through screwing up a plurality of connecting bolt, installs the pump body on the organism to install pumping plant on the organism. When the belt pulley needs to be replaced, the belt pulley is directly detached from the connecting flange, and the required belt pulley is installed on the connecting flange again.
The utility model provides an engine, including organism and the pumping plant of setting on the organism, pumping plant includes the pump body, pivot, flange and belt pulley, and the pump body links to each other with the organism through a plurality of connecting bolt, and the pump body has the holding chamber, and the rotatable setting of pivot is at the holding intracavity, and flange sets up the tip in the pivot, and belt pulley detachable and flange joint. The utility model provides a through flange joint between the pump body among the water pump unit and the belt pulley, consequently, be convenient for change the belt pulley, be convenient for install water pump unit on the organism, ensure the normal assembly of engine.
The structure of the present invention and other objects and advantages thereof will be more clearly understood from the following description of the preferred embodiments taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a front view of a prior art water pump assembly;
FIG. 2 is a side view of a prior art water pumping apparatus;
fig. 3 is an exploded view of a water pump device according to an embodiment of the present invention;
fig. 4 is a front view of a water pump device according to an embodiment of the present invention;
fig. 5 is a side view of a water pump apparatus according to an embodiment of the present invention.
Description of reference numerals:
1. 10-a pump body;
11-a housing chamber;
12-a cylindrical body;
13-an annular outer rim portion;
14-reinforcing ribs;
2. 20-a rotating shaft;
3-a connecting flange;
31-a first connection hole;
32-a projection;
4. 30-a belt pulley;
41-second connection hole;
5-a connector;
6. 40-connecting bolts;
7-a bearing;
8-bearing retainer ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It should be noted that, in the description of the present invention, the terms "first" and "second" are only used for convenience in describing different components, and are not to be construed as indicating or implying a sequential relationship, relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In the field of automobile manufacturing, some motorcycle types have strict requirements on the total length of an engine, nowadays, the length of the engine matched with more and more motorcycle types is shorter, in order to meet the length requirement of the engine, a shock absorber and a belt pulley need to be integrated, in order to meet the torsional vibration performance, the shock absorber needs to be increased by a certain multiple, in order to meet the requirement that the speed ratio of a water pump in a transmission gear train is not changed, the diameter of the belt pulley also needs to be increased by the same multiple.
Fig. 1 is a front view of a water pump device in the related art. Fig. 2 is a side view of a prior art water pump device.
As shown in fig. 1 and 2, the existing engine generally includes a body and a water pump device, the water pump device includes a pump body 10, a rotating shaft 20, a bearing, a belt pulley 30, and the like, the rotating shaft 20 passes through the pump body 10, the belt pulley 30 is sleeved on an end portion of the rotating shaft 20, the bearing is sleeved on the rotating shaft 20 and is connected with the pump body 10, wherein, the belt pulley 30 and the pump body 10 are in an integrated assembly structure, the pump body 10 is connected with the body through a plurality of connecting bolts 40 to install the water pump device on the body, but when the belt pulley 30 with a larger diameter is required, that is, the diameter of the belt pulley 30 is increased, the bolt 40 connecting the water pump device and the body is blocked by the belt pulley 30, and the water pump device cannot be installed.
Therefore, the embodiment of the utility model provides a water pumping unit and engine can realize being connected with dismantling of the pump body to the belt pulley, is convenient for change the belt pulley, and then is convenient for install water pumping unit on the organism of engine.
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 3 is an exploded view of a water pump device according to an embodiment of the present invention. Fig. 4 is a front view of a water pump device according to an embodiment of the present invention. Fig. 5 is a side view of a water pump apparatus according to an embodiment of the present invention.
As shown in fig. 3 to 5, the embodiment of the utility model provides a water pump device, including the pump body 1, pivot 2, flange 3 and belt pulley 4, the pump body 1 has holding chamber 11, and the rotatable setting of pivot 2 is in holding chamber 11, and flange 3 sets up at the tip of pivot 2, and belt pulley 4 detachable is connected with flange 3.
In the water pump device that this embodiment provided, be connected through flange 3 between the pump body 1 and the belt pulley 4, therefore can realize being connected dismantled between the pump body 1 and the belt pulley 4, be convenient for change belt pulley 4, in addition, can dismantle between flange 3 and the belt pulley 4 and be connected to be convenient for install belt pulley 4 on flange 3, or pull down from flange 3.
In a specific embodiment of the present embodiment, the pump body 1 includes a cylindrical body 12, an inner hole of the cylindrical body 12 is the receiving cavity 11, one end of the cylindrical body 12 faces the connecting flange 3, an annular outer edge portion 13 is disposed on an outer periphery of the other end of the cylindrical body 12, and an integrally formed connection manner is adopted between the cylindrical body 12 and the annular outer edge portion 13.
In order to reinforce the structure of the pump body 1, in the present embodiment, the pump body 1 further includes a plurality of reinforcing ribs 14, the plurality of reinforcing ribs 14 are distributed at intervals on the outer periphery of the cylindrical body 12, and the reinforcing ribs 14 extend from the outer periphery of the cylindrical body 12 to the edge of the annular outer edge portion 13.
In the present embodiment, the reinforcing ribs 14 may be welded on the outer periphery of the cylindrical body 12.
In this embodiment, the connecting flange 3 is wrapped in the pulley 4, so that the connecting flange 3 can be prevented from protruding out of the pulley 4, and the occupied space of the water pump device provided by this embodiment is increased.
When the water pump device that this embodiment provided is installed to needs, at first make pivot 2 wear to establish in the holding chamber 11 of the pump body 1, establish flange 3 cover then at the tip of pivot 2, install belt pulley 4 again at last on flange 3 can.
In order to connect the belt pulley 4 and the connecting flange 3 reliably, the water pump device provided by the embodiment further includes a connecting member 5, the connecting flange 3 is provided with a first connecting hole 31, the belt pulley 4 is provided with a second connecting hole 41, the first connecting hole 31 and the second connecting hole 41 are correspondingly arranged, and the connecting member sequentially penetrates through the second connecting hole 41 and the first connecting hole 31 to connect the belt pulley 4 and the connecting flange 3.
Like this for can reliably be connected between belt pulley 4 and flange 3, prevent that belt pulley 4 and flange 3 from taking place the separation, influence the use of the water pump device that this embodiment provided.
Specifically, when the pulley 4 is required to be mounted on the connecting flange 3, the connecting member 5 is inserted through the second connecting hole 41 and the first connecting hole 31, and the pulley 4 and the connecting flange 3 are connected.
To facilitate the connection of the pulley 4 to the connecting flange 3, the connecting piece 5 is in this embodiment a threaded fastener.
Thus, the connection or separation between the pulley 4 and the connecting flange 3 can be realized by tightening or loosening the threaded fastener, which is convenient for operation.
In the present embodiment, the connecting member 5 is a bolt.
In order to further reliably connect the pulley 4 to the connecting flange 3, in the present embodiment, the second connecting hole 41 penetrates the pulley 4 in the axial direction, and the connecting member 5 is connected to the connecting flange 3 from the outer end face of the pulley 4.
Like this, can guarantee that the axial of connecting piece 5 is unanimous with belt pulley 4, flange 3's axial to can carry out reliable connection with belt pulley 4 and flange 3, guarantee the normal use of the water pump device that this embodiment provided.
In a specific embodiment of the present embodiment, the first connection holes 31 are plural and arranged at different positions in the circumferential direction of the connection flange 3.
Thus, each position of the connecting flange 3 and each position of the belt pulley 4 can be reliably connected, and the belt pulley 4 is prevented from being separated from the connecting flange 3.
In a specific embodiment of this embodiment, the connecting flange 3 has four first connecting holes 31, the pulley 4 has four second connecting holes 41, and the angle between the adjacent first connecting holes 31 or second connecting holes 41 is 90 °. In this way, the portions of the connecting flange 3 corresponding to the pulley 4 in the radial direction can be reliably connected, and thus the reliable connection of the connecting flange 3 to the pulley 4 is realized.
In order to facilitate the use of the water pump device provided in this embodiment, the connecting bolt 6 is provided on the end surface of the pump body 1 facing the pulley 4, and the connecting bolt 6 is located outside the projection of the connecting flange 3 in the axial direction of the rotating shaft 2.
Like this, be convenient for fix the pumping plant that this embodiment provided, convenient to use.
In a specific embodiment of the present embodiment, a plurality of attachment bolts 6 are provided on an end surface of the pump body 1 on the side facing the pulley 4, specifically, the plurality of attachment bolts 6 are arranged at different positions in the circumferential direction of the annular outer edge portion 13.
In order to prevent the connecting flange 3 from falling off from the rotating shaft 2, the connecting flange 3 is in interference fit with the rotating shaft 2.
Accordingly, a large torque can be prevented from being transmitted between the coupling flange 3 and the rotary shaft 2, and thus, a reliable connection between the coupling flange 3 and the rotary shaft 2 can be ensured.
In order to ensure the rotation precision of the rotating shaft 2 and make the rotating shaft rotate smoothly, in the embodiment, the rotating shaft 2 is further sleeved with a bearing 7, the outer wall of the bearing 7 is connected with the inner wall of the pump body 1, and the connecting flange 3 is abutted to the end face of the bearing 7. Specifically, the outer wall of the bearing 7 is connected with the inner wall of the accommodating cavity 11, and the end faces of the connecting flange 3 and the bearing 7, which are far away from the pump body 1, are abutted.
Like this, can ensure that pivot 2 rotates smoothly, in addition, can also play limiting displacement to flange 3, be favorable to the utility model provides a water pump device's normal use.
In the present embodiment, the length of the bearing 7 in the axial direction of the rotating shaft 2 is smaller than the length of the rotating shaft 2 in the axial direction, and the distance between the bearing 7 and the end of the rotating shaft 2 close to the connecting flange 3 is smaller than the distance between the bearing 7 and the end of the rotating shaft 2 far from the connecting flange 3.
It should be noted that the bearing 7 may be a rolling bearing, and further description of other types of the bearing 7 is omitted here.
In this embodiment, a retaining ring 8 is further sleeved on the rotating shaft 2, the retaining ring 8 is located at one end of the bearing 7 close to the connecting flange 3, a protruding portion 32 is arranged at one end of the connecting flange 3 close to the belt pulley 4, and the retaining ring 8 is matched with the protruding portion 32.
When the water pump device that provides this embodiment assembles, at first establish bearing 7 cover on pivot 2, then wear to establish pivot 2 and bearing 7 to holding chamber 11 in, establish flange 3 cover on pivot 2 then, and make flange 3's an end face butt keep away from on the terminal surface of the pump body 1 at bearing 7, then establish belt pulley 4 cover on pivot 2, and make belt pulley 4 be in flange 3's the outside, at last through tightening a plurality of connecting pieces 5, be connected belt pulley 4 and flange 3, can accomplish the assembly to the water pump device that this embodiment provided.
The water pump device that this embodiment provided includes the pump body, pivot, flange and belt pulley, and the pump body has the holding chamber, and the rotatable setting of pivot is at the holding intracavity, and flange sets up the tip in the pivot, and belt pulley detachable and flange joint. The utility model provides a through flange joint between the pump body among the water pump unit and the belt pulley, consequently, be convenient for change the belt pulley, be convenient for use the water pump unit that this embodiment provided.
The embodiment of the utility model provides an engine is still provided, including organism and foretell water pumping plant, water pumping plant's the pump body 1 passes through connecting bolt 6 and links to each other with the organism to install water pumping plant on the organism.
It should be noted that the specific structure of the water pump device has been described in detail in the above embodiments, and is not described herein again.
The engine provided by the embodiment further comprises a front-end wheel train arranged on the engine body, wherein the front-end wheel train comprises a plurality of accessory wheels, and the accessory wheels are connected with a belt pulley 4 of the water pump device through a belt.
When the engine provided by the embodiment needs to be used, the water pump device needs to be assembled in the first step, firstly, the bearing 7 is sleeved on the rotating shaft 2, then the rotating shaft 2 and the bearing 7 are arranged in the accommodating cavity 11 in a penetrating manner, then the connecting flange 3 is sleeved on the rotating shaft 2, one end face of the connecting flange 3 abuts against the end face, far away from the pump body 1, of the bearing 7, then the belt pulley 4 is sleeved on the rotating shaft 2, the belt pulley 4 is located on the outer side of the connecting flange 3, and finally, the belt pulley 4 is connected with the connecting flange 3 by tightening the connecting pieces 5, so that the water pump device provided by the embodiment can be assembled; the second step then needs to install pumping plant on the organism, specifically, through screwing up a plurality of connecting bolt 6, installs the pump body 1 on the organism to install pumping plant on the organism.
When pulley 4 needs to be replaced, pulley 4 is directly detached from connecting flange 3, and pulley 4 is installed on connecting flange 3.
The engine that this embodiment provided, including organism and the pumping plant of setting on the organism, pumping plant includes the pump body, pivot, flange and belt pulley, and the pump body links to each other with the organism through a plurality of connecting bolt, and the pump body has the holding chamber, and the rotatable setting of pivot is in the holding intracavity, and flange sets up the tip in the pivot, and belt pulley detachable and flange joint. The utility model provides a through flange joint between the pump body among the water pump unit and the belt pulley, consequently, be convenient for change the belt pulley, be convenient for install water pump unit on the organism, ensure the normal use of engine.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a water pump device, its characterized in that, includes the pump body, pivot, flange and belt pulley, the pump body has the holding chamber, the rotatable setting of pivot is in the holding intracavity, flange sets up the tip in the pivot, belt pulley detachable with flange connects.
2. The water pump device according to claim 1, further comprising a connecting member, wherein the connecting flange is provided with a first connecting hole, the belt pulley is provided with a second connecting hole, the first connecting hole and the second connecting hole are correspondingly arranged, and the connecting member is sequentially inserted into the second connecting hole and the first connecting hole to connect the belt pulley and the connecting flange.
3. The pumping apparatus as defined in claim 2, wherein the connector is a threaded fastener.
4. The water pump apparatus as claimed in claim 3, wherein the second connection hole axially penetrates the pulley, and the connection member is connected to the connection flange by an outer end surface of the pulley.
5. The water pump apparatus as claimed in claim 2, wherein the first connection hole is plural and arranged at different positions in a circumferential direction of the connection flange.
6. The water pump device according to any one of claims 1 to 5, wherein a connection bolt is provided on an end surface of the pump body on a side facing the pulley, and the connection bolt is located outside a projection of the connection flange in the axial direction of the rotating shaft.
7. The water pump device according to any one of claims 1 to 5, wherein the connecting flange is in interference fit with the rotating shaft.
8. The water pump device according to claim 7, wherein a bearing is further sleeved on the rotating shaft, an outer wall of the bearing is connected with an inner wall of the pump body, and the connecting flange is abutted against an end face of the bearing.
9. An engine comprising a body and the water pump apparatus as claimed in any one of claims 1 to 8, wherein a pump body of the water pump apparatus is connected to the body by a connecting bolt to mount the water pump apparatus to the body.
10. The engine of claim 9, further comprising a front end train disposed on the body, the front end train including a plurality of accessory wheels, the accessory wheels being connected to a pulley of the water pump device by a belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021248400.1U CN212717201U (en) | 2020-06-30 | 2020-06-30 | Water pump device and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021248400.1U CN212717201U (en) | 2020-06-30 | 2020-06-30 | Water pump device and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212717201U true CN212717201U (en) | 2021-03-16 |
Family
ID=74962111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021248400.1U Active CN212717201U (en) | 2020-06-30 | 2020-06-30 | Water pump device and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212717201U (en) |
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2020
- 2020-06-30 CN CN202021248400.1U patent/CN212717201U/en active Active
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