CN111301154A - Electronic water pump mounting structure - Google Patents
Electronic water pump mounting structure Download PDFInfo
- Publication number
- CN111301154A CN111301154A CN202010214280.1A CN202010214280A CN111301154A CN 111301154 A CN111301154 A CN 111301154A CN 202010214280 A CN202010214280 A CN 202010214280A CN 111301154 A CN111301154 A CN 111301154A
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- China
- Prior art keywords
- water pump
- electronic water
- bracket body
- matching surface
- mounting structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Details Of Reciprocating Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to an electronic water pump mounting structure, which comprises a bracket body fixedly connected to an engine and an electronic water pump mounted on the bracket body; the bracket body is a stamping formed sheet metal part, the left part of the bracket body is provided with an installing surface which is discontinuous up and down, and the installing surface is attached to a matching surface on the engine and is fixedly connected through two bolts; the lower end of the right part of the bracket body is provided with a straight matching surface, the middle part of the right part of the bracket body is provided with a vertical matching surface, and the upper end of the right part of the bracket body is provided with a flanging; elastic clamping surfaces are respectively arranged on two sides of the straight matching surface; the upper part of the vertical matching surface is provided with a projection welding nut; the upper end part of the electronic water pump is matched, connected and fixed with a projection welding nut on the bracket body through a bolt; the lower end of the electronic water pump is matched with the lower end of the right part of the bracket body. The invention has reliable connection and convenient installation, and can meet the requirement of shock absorption; can reduce construction bolt and partial shipment process, raise the efficiency, cost reduction.
Description
Technical Field
The invention relates to an engine, in particular to an electronic water pump mounting structure.
Background
The electronic water pump bracket is a component for connecting the engine body and the electronic water pump at the front end of the engine, and the structure of the electronic water pump mounting bracket has important influence on the connection reliability of the electronic water pump. In the industry background of the descending automobile market today, lighter weight, simpler operation and lower cost are required for the components.
CN 106347101A discloses a 'mounting bracket for an electronic water pump of a pure electric passenger vehicle', which comprises a bracket body, mounting holes and projection welding nuts, wherein the bracket body is L-shaped, the mounting holes convenient to mount are symmetrically formed in one side of the bracket body, the projection welding nuts convenient to connect with the water pump are symmetrically welded on the other side of the bracket body, and through holes are formed between the two mounting holes and between the two projection welding nuts; the water pump fixing device is simple in structure, low in manufacturing cost and high in practicability, and the water pump and the vehicle body longitudinal beam can be fixed together through the water pump mounting bracket, so that the water pump can normally work according to the requirements of a whole vehicle; through being equipped with the through-hole, can alleviate the weight of support body, reduce cost, and can not influence the intensity of water pump installing support, also can reduce the area of contact of water pump installing support and water pump and automobile body longeron to reduce the pressure that the water pump installing support bore, be favorable to improving the life of water pump installing support.
CN 206377013U discloses "an installing support damping structure of electronic water pump", comprises the pump body, bolt, support and shock pad. The electronic water pump is a key part of a battery cooling system of a new energy bus or a traditional engine cooling system, but vibration generated in the running process can be directly transmitted to a vehicle, so that the riding comfort of the vehicle is influenced, a user neglects to install a rubber damping pad between the mounting bracket and a vehicle body mounting surface, the vibration performance of the vehicle is influenced, and the service life of the electronic water pump is shortened. In order to solve the problem, the main damping pad is arranged on the water pump assembly, the main damping pad and the auxiliary damping pad jointly reduce the influence of the running vibration of the water pump on the vehicle body, the main damping pad can block the vibration transmission between the water pump and the vehicle body, and the running life of the water pump can be effectively prolonged.
Disclosure of Invention
The invention aims to provide an electronic water pump mounting structure which is reliable in connection and convenient to mount and can meet the requirement of shock absorption; can reduce construction bolt and partial shipment process, raise the efficiency, cost reduction.
The invention relates to an electronic water pump mounting structure, which comprises a bracket body fixedly connected to an engine and an electronic water pump mounted on the bracket body, and is characterized in that: the bracket body is a stamping formed sheet metal part, the left part of the bracket body is provided with an installing surface which is discontinuous up and down, and the installing surface is attached to a matching surface on the engine and is fixedly connected through two bolts; the lower end of the right part of the bracket body is provided with a straight matching surface, the middle part of the right part of the bracket body is provided with a vertical matching surface, and the upper end of the right part of the bracket body is provided with a flanging; elastic clamping surfaces are respectively arranged on two sides of the straight matching surface; the upper part of the vertical matching surface is provided with a projection welding nut; the upper end part of the electronic water pump is matched, connected and fixed with a projection welding nut on the bracket body through a bolt; the lower end of the electronic water pump is matched with the lower end of the right part of the bracket body.
Furthermore, a first mounting hole is formed in the upper portion of the mounting surface of the bracket body, and a second mounting hole is formed in the lower portion of the mounting surface of the bracket body; the bracket body is fixedly connected to the engine through two bolts respectively penetrating through the first mounting hole and the second mounting hole on the mounting surface.
Further, the lower end of the electronic water pump is matched with the straight matching surface at the lower end of the right part of the bracket body and the elastic clamping surfaces at two sides.
Furthermore, the upper end of the electronic water pump is fixedly connected with the projection welding nut on the bracket body through a bolt.
Furthermore, a bolt bushing is embedded at the upper end of the electronic water pump, so that the local strength and rigidity of the water pump are improved.
Furthermore, a long round hole is formed in a flange at the upper end of the support body and used for fixing the wire harness clip.
Furthermore, a concave reinforcing rib is arranged on the lower portion of the vertical matching surface of the support body, so that the strength and the rigidity of the support body are improved.
Furthermore, the middle parts of the two elastic clamping surfaces on the bracket body are at least provided with a semicircular bulge which is symmetrical left and right.
Furthermore, the distance M between the center line of the projection welding nut and the straight matching surface is smaller than the distance M between the upper end part of the electronic water pump and the lower end part of the electronic water pump, namely M is smaller than M, so that the electronic water pump and the support body form interference fit in the vertical direction.
Further, the distance N between the elastic clamping surfaces on two sides of the straight matching surface of the support body is smaller than the thickness N of the lower end part of the electronic water pump, namely N is smaller than N, so that the electronic water pump and the support body form interference fit in the left and right directions.
The invention has the beneficial effects that:
because the upper and lower direction and the support body interference fit of electronic pump, the left and right directions and the support body of electronic pump and the elasticity centre gripping on it match face interference fit, the fore-and-aft direction of electronic pump passes through bolt and support body fixed connection, can ensure that the electronic pump does not have not become flexible after the installation to can prevent that electronic pump from deviating from the support body.
Because the elastic clamping surface on the bracket body has higher strength and can deform when receiving a certain force, the electronic water pump is not easy to clamp and is not loosened after being clamped.
Because the electronic water pump is the rubber material with the leg joint department, can satisfy the shock attenuation demand of water pump.
Compared with the existing electronic water pump mounting structure, the invention saves a plurality of mounting bolts, a plurality of bolt bushings and split charging procedures, improves the production efficiency and reduces the cost.
Drawings
FIG. 1 is a schematic structural view of a stent body according to the present invention;
FIG. 2 is a schematic illustration of the bracket body of the present invention mounted on an engine;
FIG. 3 is a sectional view A-A of FIG. 2;
FIG. 4 is a schematic structural view of the present invention;
FIG. 5 is a sectional view B-B of FIG. 4;
FIG. 6 is a cross-sectional view C-C of FIG. 4;
fig. 7 is an enlarged view of a portion D of fig. 4.
In the figure:
1-electronic water pump, 11-lower end, 12-upper end;
2-a bracket body, 21-a mounting surface, 22-a first mounting hole, 23-a first mounting hole, 24-a straight matching surface, 25-an elastic clamping surface, 26-a vertical matching surface, 27-a projection welding nut, 28-a long circular hole and 29-a concave reinforcing rib;
3, a bolt;
4-bolt bushing;
5-engine, 51-matching surface;
6-harness clip.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 7, the electronic water pump mounting structure includes a bracket body 2 fixedly connected to an engine 5, and an electronic water pump 1 mounted on the bracket body, and is characterized in that:
the bracket body 2 is a stamping formed sheet metal part, the left part of the bracket body is provided with an installing surface 21 which is discontinuous up and down, and the installing surface 21 is attached to a matching surface 51 on the engine 5 and is connected and fixed through two bolts 3;
the lower end of the right part of the bracket body 2 is provided with a straight matching surface 24, the middle part is provided with a vertical matching surface 26, and the upper end is provided with a flanging; elastic clamping surfaces 25 are respectively arranged on two sides of the straight matching surface 24; a projection welding nut 27 is arranged at the upper part of the vertical matching surface 26; the lower end part 11 of the electronic water pump 1 is matched with the lower end of the right part of the bracket body 2; the upper end part 12 of the electronic water pump 1 is connected and fixed with a projection welding nut 27 on the bracket body 2 through a bolt 3.
A first mounting hole 22 is formed in the upper part of a mounting surface 21 of the bracket body 2, and a second mounting hole 23 is formed in the lower part of the mounting surface; the bracket body 2 is fixedly connected to the engine 5 through two bolts 3 respectively passing through a first mounting hole 22 and a second mounting hole 23 on the mounting surface 21.
The lower end part 11 of the electronic water pump 1 is matched with a straight matching surface 24 at the lower end of the right part of the bracket body 2 and elastic clamping surfaces 25 at two sides.
The upper end 12 of the electronic water pump 1 is fixedly connected with the projection welding nut 27 on the bracket body 2 through a bolt 3.
The upper end part 12 of the electronic water pump 1 is embedded with a bolt bushing 4 to improve the local strength and rigidity of the water pump.
The upper end of the bracket body 2 is provided with a long round hole 28, and the long round hole 28 is used for fixing the wiring harness clip 6.
And a concave reinforcing rib 29 is arranged at the lower part of the vertical matching surface 26 of the bracket body 2 so as to improve the strength and rigidity of the bracket body.
The electronic water pump is made of rubber at the joint with the support, so that the strength of vibration transmitted along the axial direction and the radial direction of the bolt can be effectively reduced.
The middle parts of the two elastic clamping surfaces 25 on the bracket body 2 are at least provided with a semicircular bulge which is symmetrical left and right. Convert the steel sheet into elastic construction by rigid structure for elasticity clamping face self has higher intensity, again can the atress warp in order to absorb the energy of electronic water pump vibration in-process, promotes the NVH index. Different vehicles/models can be designed into a plurality of semicircular bulges according to specific analysis and verification conditions, and corresponding interference magnitude is matched.
The distance M between the central line of the projection welding nut 27 and the straight matching surface 24 is smaller than the distance M between the upper end 12 of the electronic water pump 1 and the lower end 11 of the electronic water pump 1, namely M is smaller than M, so that the electronic water pump 1 and the bracket body 2 form interference fit in the vertical direction.
The distance N between the elastic clamping surfaces 25 on two sides of the straight matching surface 24 of the support body 2 is smaller than the thickness N of the lower end part 11 of the electronic water pump 1, namely N is smaller than N, so that the electronic water pump 1 and the support body 2 form interference fit in the left-right direction.
The surface of the electronic support body is treated by black electrophoretic paint.
The electronic water pump mounting structure adopts one end joint, and the design of one end bolt, the elasticity clamping face of support body lower extreme both sides has elasticity, and behind two elasticity clamping faces on the support body were gone into to electronic water pump lower extreme card, reuse bolt connected the electronic water pump upper end on the support body, and the installation is reliable, and is easy and simple to handle.
Claims (10)
1. The utility model provides an electronic water pump mounting structure, includes support body (2) of fixed connection on engine (5), installs electronic water pump (1) on the support body, characterized by: the bracket body (2) is a stamping formed sheet metal part, the left part of the bracket body is provided with an installing surface (21) which is intermittent up and down, and the installing surface (21) is attached to a matching surface (51) on the engine (5) and is connected and fixed through two bolts (3); the lower end of the right part of the bracket body (2) is provided with a straight matching surface (24), the middle part of the right part of the bracket body is provided with a vertical matching surface (26), and the upper end of the right part of the bracket body is provided with a flanging; elastic clamping surfaces (25) are respectively arranged on two sides of the straight matching surface (24); a projection welding nut (27) is arranged at the upper part of the vertical matching surface (26); the upper end part (12) of the electronic water pump (1) is matched, connected and fixed with a projection welding nut (27) on the bracket body (2) through a bolt (3); the lower end part (11) of the electronic water pump (1) is matched with the lower end of the right part of the bracket body (2).
2. The electronic water pump mounting structure according to claim 1, wherein: a first mounting hole (22) is formed in the upper part of a mounting surface (21) of the bracket body (2), and a second mounting hole (23) is formed in the lower part of the mounting surface; the bracket body (2) is fixedly connected to the engine (5) through two bolts (3) respectively penetrating through a first mounting hole (22) and a second mounting hole (23) on the mounting surface (21).
3. The electronic water pump mounting structure according to claim 1, wherein: the lower end part (11) of the electronic water pump (1) is matched with a straight matching surface (24) at the lower end of the right part of the bracket body (2) and elastic clamping surfaces (25) at two sides.
4. The mounting structure of the electronic water pump as claimed in claim 1, wherein the upper end (12) of the electronic water pump (1) is fixedly connected with a projection welding nut (27) on the bracket body (2) through a bolt (3).
5. The electronic water pump mounting structure according to claim 4, wherein: a bolt bushing (4) is embedded in the upper end portion (12) of the electronic water pump (1).
6. The electronic water pump mounting structure according to claim 1, wherein: the upper end of the support body (2) is provided with a long round hole (28) on the flanging, and the long round hole (28) is used for fixing the wiring harness clip (6).
7. The electronic water pump mounting structure according to claim 1, wherein: and a concave reinforcing rib (29) is arranged at the lower part of the vertical matching surface (26) of the bracket body (2).
8. The electronic water pump mounting structure according to claim 1, wherein: the middle parts of the two elastic clamping surfaces (25) on the bracket body (2) are at least provided with a semicircular bulge which is symmetrical left and right.
9. The electronic water pump mounting structure according to claim 1 or 3, wherein: the distance M between the central line of the projection welding nut (27) and the straight matching surface (24) is smaller than the distance M between the upper end part (12) of the electronic water pump (1) and the lower end part (11) of the electronic water pump (1), namely M is smaller than M, so that the electronic water pump (1) and the support body (2) form interference fit in the vertical direction.
10. The electronic water pump mounting structure according to claim 1 or 3, wherein: the interval N of elastic clamping surfaces (25) on two sides of a straight matching surface (24) of the support body (2) is smaller than the thickness N of the lower end part (11) of the electronic water pump (1), namely N is smaller than N, so that the electronic water pump (1) and the support body (2) form interference fit in the left-right direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214280.1A CN111301154B (en) | 2020-03-24 | 2020-03-24 | Electronic water pump mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214280.1A CN111301154B (en) | 2020-03-24 | 2020-03-24 | Electronic water pump mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111301154A true CN111301154A (en) | 2020-06-19 |
| CN111301154B CN111301154B (en) | 2022-07-08 |
Family
ID=71157646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010214280.1A Active CN111301154B (en) | 2020-03-24 | 2020-03-24 | Electronic water pump mounting structure |
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| Country | Link |
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| CN (1) | CN111301154B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3137423A1 (en) * | 2022-06-30 | 2024-01-05 | Renault S.A.S. | Support for a vehicle water pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3137423A1 (en) * | 2022-06-30 | 2024-01-05 | Renault S.A.S. | Support for a vehicle water pump |
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| Publication number | Publication date |
|---|---|
| CN111301154B (en) | 2022-07-08 |
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